James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1 | /****************************************************************************** |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3 | Copyright(c) 2003 - 2004 Intel Corporation. All rights reserved. |
| 4 | |
| 5 | 802.11 status code portion of this file from ethereal-0.10.6: |
| 6 | Copyright 2000, Axis Communications AB |
| 7 | Ethereal - Network traffic analyzer |
| 8 | By Gerald Combs <gerald@ethereal.com> |
| 9 | Copyright 1998 Gerald Combs |
| 10 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 11 | This program is free software; you can redistribute it and/or modify it |
| 12 | under the terms of version 2 of the GNU General Public License as |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 13 | published by the Free Software Foundation. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 14 | |
| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 17 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 18 | more details. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 19 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 20 | You should have received a copy of the GNU General Public License along with |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 21 | this program; if not, write to the Free Software Foundation, Inc., 59 |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 22 | Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 23 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 24 | The full GNU General Public License is included in this distribution in the |
| 25 | file called LICENSE. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 26 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 27 | Contact Information: |
| 28 | James P. Ketrenos <ipw2100-admin@linux.intel.com> |
| 29 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 30 | |
| 31 | ******************************************************************************/ |
| 32 | |
| 33 | #include "ipw2200.h" |
| 34 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 35 | #define IPW2200_VERSION "1.0.3" |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 36 | #define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2200/2915 Network Driver" |
| 37 | #define DRV_COPYRIGHT "Copyright(c) 2003-2004 Intel Corporation" |
| 38 | #define DRV_VERSION IPW2200_VERSION |
| 39 | |
| 40 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 41 | MODULE_VERSION(DRV_VERSION); |
| 42 | MODULE_AUTHOR(DRV_COPYRIGHT); |
| 43 | MODULE_LICENSE("GPL"); |
| 44 | |
| 45 | static int debug = 0; |
| 46 | static int channel = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 47 | static int mode = 0; |
| 48 | |
| 49 | static u32 ipw_debug_level; |
| 50 | static int associate = 1; |
| 51 | static int auto_create = 1; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 52 | static int led = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 53 | static int disable = 0; |
| 54 | static const char ipw_modes[] = { |
| 55 | 'a', 'b', 'g', '?' |
| 56 | }; |
| 57 | |
| 58 | static void ipw_rx(struct ipw_priv *priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 59 | static int ipw_queue_tx_reclaim(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 60 | struct clx2_tx_queue *txq, int qindex); |
| 61 | static int ipw_queue_reset(struct ipw_priv *priv); |
| 62 | |
| 63 | static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf, |
| 64 | int len, int sync); |
| 65 | |
| 66 | static void ipw_tx_queue_free(struct ipw_priv *); |
| 67 | |
| 68 | static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *); |
| 69 | static void ipw_rx_queue_free(struct ipw_priv *, struct ipw_rx_queue *); |
| 70 | static void ipw_rx_queue_replenish(void *); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 71 | static int ipw_up(struct ipw_priv *); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 72 | static void ipw_bg_up(void *); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 73 | static void ipw_down(struct ipw_priv *); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 74 | static void ipw_bg_down(void *); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 75 | static int ipw_config(struct ipw_priv *); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 76 | static int init_supported_rates(struct ipw_priv *priv, |
| 77 | struct ipw_supported_rates *prates); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 78 | |
| 79 | static u8 band_b_active_channel[MAX_B_CHANNELS] = { |
| 80 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0 |
| 81 | }; |
| 82 | static u8 band_a_active_channel[MAX_A_CHANNELS] = { |
| 83 | 36, 40, 44, 48, 149, 153, 157, 161, 165, 52, 56, 60, 64, 0 |
| 84 | }; |
| 85 | |
| 86 | static int is_valid_channel(int mode_mask, int channel) |
| 87 | { |
| 88 | int i; |
| 89 | |
| 90 | if (!channel) |
| 91 | return 0; |
| 92 | |
| 93 | if (mode_mask & IEEE_A) |
| 94 | for (i = 0; i < MAX_A_CHANNELS; i++) |
| 95 | if (band_a_active_channel[i] == channel) |
| 96 | return IEEE_A; |
| 97 | |
| 98 | if (mode_mask & (IEEE_B | IEEE_G)) |
| 99 | for (i = 0; i < MAX_B_CHANNELS; i++) |
| 100 | if (band_b_active_channel[i] == channel) |
| 101 | return mode_mask & (IEEE_B | IEEE_G); |
| 102 | |
| 103 | return 0; |
| 104 | } |
| 105 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 106 | static char *snprint_line(char *buf, size_t count, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 107 | const u8 * data, u32 len, u32 ofs) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 108 | { |
| 109 | int out, i, j, l; |
| 110 | char c; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 111 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 112 | out = snprintf(buf, count, "%08X", ofs); |
| 113 | |
| 114 | for (l = 0, i = 0; i < 2; i++) { |
| 115 | out += snprintf(buf + out, count - out, " "); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 116 | for (j = 0; j < 8 && l < len; j++, l++) |
| 117 | out += snprintf(buf + out, count - out, "%02X ", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 118 | data[(i * 8 + j)]); |
| 119 | for (; j < 8; j++) |
| 120 | out += snprintf(buf + out, count - out, " "); |
| 121 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 122 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 123 | out += snprintf(buf + out, count - out, " "); |
| 124 | for (l = 0, i = 0; i < 2; i++) { |
| 125 | out += snprintf(buf + out, count - out, " "); |
| 126 | for (j = 0; j < 8 && l < len; j++, l++) { |
| 127 | c = data[(i * 8 + j)]; |
| 128 | if (!isascii(c) || !isprint(c)) |
| 129 | c = '.'; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 130 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 131 | out += snprintf(buf + out, count - out, "%c", c); |
| 132 | } |
| 133 | |
| 134 | for (; j < 8; j++) |
| 135 | out += snprintf(buf + out, count - out, " "); |
| 136 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 137 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 138 | return buf; |
| 139 | } |
| 140 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 141 | static void printk_buf(int level, const u8 * data, u32 len) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 142 | { |
| 143 | char line[81]; |
| 144 | u32 ofs = 0; |
| 145 | if (!(ipw_debug_level & level)) |
| 146 | return; |
| 147 | |
| 148 | while (len) { |
| 149 | printk(KERN_DEBUG "%s\n", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 150 | snprint_line(line, sizeof(line), &data[ofs], |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 151 | min(len, 16U), ofs)); |
| 152 | ofs += 16; |
| 153 | len -= min(len, 16U); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | static u32 _ipw_read_reg32(struct ipw_priv *priv, u32 reg); |
| 158 | #define ipw_read_reg32(a, b) _ipw_read_reg32(a, b) |
| 159 | |
| 160 | static u8 _ipw_read_reg8(struct ipw_priv *ipw, u32 reg); |
| 161 | #define ipw_read_reg8(a, b) _ipw_read_reg8(a, b) |
| 162 | |
| 163 | static void _ipw_write_reg8(struct ipw_priv *priv, u32 reg, u8 value); |
| 164 | static inline void ipw_write_reg8(struct ipw_priv *a, u32 b, u8 c) |
| 165 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 166 | IPW_DEBUG_IO("%s %d: write_indirect8(0x%08X, 0x%08X)\n", __FILE__, |
| 167 | __LINE__, (u32) (b), (u32) (c)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 168 | _ipw_write_reg8(a, b, c); |
| 169 | } |
| 170 | |
| 171 | static void _ipw_write_reg16(struct ipw_priv *priv, u32 reg, u16 value); |
| 172 | static inline void ipw_write_reg16(struct ipw_priv *a, u32 b, u16 c) |
| 173 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 174 | IPW_DEBUG_IO("%s %d: write_indirect16(0x%08X, 0x%08X)\n", __FILE__, |
| 175 | __LINE__, (u32) (b), (u32) (c)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 176 | _ipw_write_reg16(a, b, c); |
| 177 | } |
| 178 | |
| 179 | static void _ipw_write_reg32(struct ipw_priv *priv, u32 reg, u32 value); |
| 180 | static inline void ipw_write_reg32(struct ipw_priv *a, u32 b, u32 c) |
| 181 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 182 | IPW_DEBUG_IO("%s %d: write_indirect32(0x%08X, 0x%08X)\n", __FILE__, |
| 183 | __LINE__, (u32) (b), (u32) (c)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 184 | _ipw_write_reg32(a, b, c); |
| 185 | } |
| 186 | |
| 187 | #define _ipw_write8(ipw, ofs, val) writeb((val), (ipw)->hw_base + (ofs)) |
| 188 | #define ipw_write8(ipw, ofs, val) \ |
| 189 | IPW_DEBUG_IO("%s %d: write_direct8(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \ |
| 190 | _ipw_write8(ipw, ofs, val) |
| 191 | |
| 192 | #define _ipw_write16(ipw, ofs, val) writew((val), (ipw)->hw_base + (ofs)) |
| 193 | #define ipw_write16(ipw, ofs, val) \ |
| 194 | IPW_DEBUG_IO("%s %d: write_direct16(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \ |
| 195 | _ipw_write16(ipw, ofs, val) |
| 196 | |
| 197 | #define _ipw_write32(ipw, ofs, val) writel((val), (ipw)->hw_base + (ofs)) |
| 198 | #define ipw_write32(ipw, ofs, val) \ |
| 199 | IPW_DEBUG_IO("%s %d: write_direct32(0x%08X, 0x%08X)\n", __FILE__, __LINE__, (u32)(ofs), (u32)(val)); \ |
| 200 | _ipw_write32(ipw, ofs, val) |
| 201 | |
| 202 | #define _ipw_read8(ipw, ofs) readb((ipw)->hw_base + (ofs)) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 203 | static inline u8 __ipw_read8(char *f, u32 l, struct ipw_priv *ipw, u32 ofs) |
| 204 | { |
| 205 | IPW_DEBUG_IO("%s %d: read_direct8(0x%08X)\n", f, l, (u32) (ofs)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 206 | return _ipw_read8(ipw, ofs); |
| 207 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 208 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 209 | #define ipw_read8(ipw, ofs) __ipw_read8(__FILE__, __LINE__, ipw, ofs) |
| 210 | |
| 211 | #define _ipw_read16(ipw, ofs) readw((ipw)->hw_base + (ofs)) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 212 | static inline u16 __ipw_read16(char *f, u32 l, struct ipw_priv *ipw, u32 ofs) |
| 213 | { |
| 214 | IPW_DEBUG_IO("%s %d: read_direct16(0x%08X)\n", f, l, (u32) (ofs)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 215 | return _ipw_read16(ipw, ofs); |
| 216 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 217 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 218 | #define ipw_read16(ipw, ofs) __ipw_read16(__FILE__, __LINE__, ipw, ofs) |
| 219 | |
| 220 | #define _ipw_read32(ipw, ofs) readl((ipw)->hw_base + (ofs)) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 221 | static inline u32 __ipw_read32(char *f, u32 l, struct ipw_priv *ipw, u32 ofs) |
| 222 | { |
| 223 | IPW_DEBUG_IO("%s %d: read_direct32(0x%08X)\n", f, l, (u32) (ofs)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 224 | return _ipw_read32(ipw, ofs); |
| 225 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 226 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 227 | #define ipw_read32(ipw, ofs) __ipw_read32(__FILE__, __LINE__, ipw, ofs) |
| 228 | |
| 229 | static void _ipw_read_indirect(struct ipw_priv *, u32, u8 *, int); |
| 230 | #define ipw_read_indirect(a, b, c, d) \ |
| 231 | IPW_DEBUG_IO("%s %d: read_inddirect(0x%08X) %d bytes\n", __FILE__, __LINE__, (u32)(b), d); \ |
| 232 | _ipw_read_indirect(a, b, c, d) |
| 233 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 234 | static void _ipw_write_indirect(struct ipw_priv *priv, u32 addr, u8 * data, |
| 235 | int num); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 236 | #define ipw_write_indirect(a, b, c, d) \ |
| 237 | IPW_DEBUG_IO("%s %d: write_indirect(0x%08X) %d bytes\n", __FILE__, __LINE__, (u32)(b), d); \ |
| 238 | _ipw_write_indirect(a, b, c, d) |
| 239 | |
| 240 | /* indirect write s */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 241 | static void _ipw_write_reg32(struct ipw_priv *priv, u32 reg, u32 value) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 242 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 243 | IPW_DEBUG_IO(" %p : reg = 0x%8X : value = 0x%8X\n", priv, reg, value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 244 | _ipw_write32(priv, CX2_INDIRECT_ADDR, reg); |
| 245 | _ipw_write32(priv, CX2_INDIRECT_DATA, value); |
| 246 | } |
| 247 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 248 | static void _ipw_write_reg8(struct ipw_priv *priv, u32 reg, u8 value) |
| 249 | { |
| 250 | IPW_DEBUG_IO(" reg = 0x%8X : value = 0x%8X\n", reg, value); |
| 251 | _ipw_write32(priv, CX2_INDIRECT_ADDR, reg & CX2_INDIRECT_ADDR_MASK); |
| 252 | _ipw_write8(priv, CX2_INDIRECT_DATA, value); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 253 | IPW_DEBUG_IO(" reg = 0x%8lX : value = 0x%8X\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 254 | (unsigned long)(priv->hw_base + CX2_INDIRECT_DATA), value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 255 | } |
| 256 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 257 | static void _ipw_write_reg16(struct ipw_priv *priv, u32 reg, u16 value) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 258 | { |
| 259 | IPW_DEBUG_IO(" reg = 0x%8X : value = 0x%8X\n", reg, value); |
| 260 | _ipw_write32(priv, CX2_INDIRECT_ADDR, reg & CX2_INDIRECT_ADDR_MASK); |
| 261 | _ipw_write16(priv, CX2_INDIRECT_DATA, value); |
| 262 | } |
| 263 | |
| 264 | /* indirect read s */ |
| 265 | |
| 266 | static u8 _ipw_read_reg8(struct ipw_priv *priv, u32 reg) |
| 267 | { |
| 268 | u32 word; |
| 269 | _ipw_write32(priv, CX2_INDIRECT_ADDR, reg & CX2_INDIRECT_ADDR_MASK); |
| 270 | IPW_DEBUG_IO(" reg = 0x%8X : \n", reg); |
| 271 | word = _ipw_read32(priv, CX2_INDIRECT_DATA); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 272 | return (word >> ((reg & 0x3) * 8)) & 0xff; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | static u32 _ipw_read_reg32(struct ipw_priv *priv, u32 reg) |
| 276 | { |
| 277 | u32 value; |
| 278 | |
| 279 | IPW_DEBUG_IO("%p : reg = 0x%08x\n", priv, reg); |
| 280 | |
| 281 | _ipw_write32(priv, CX2_INDIRECT_ADDR, reg); |
| 282 | value = _ipw_read32(priv, CX2_INDIRECT_DATA); |
| 283 | IPW_DEBUG_IO(" reg = 0x%4X : value = 0x%4x \n", reg, value); |
| 284 | return value; |
| 285 | } |
| 286 | |
| 287 | /* iterative/auto-increment 32 bit reads and writes */ |
| 288 | static void _ipw_read_indirect(struct ipw_priv *priv, u32 addr, u8 * buf, |
| 289 | int num) |
| 290 | { |
| 291 | u32 aligned_addr = addr & CX2_INDIRECT_ADDR_MASK; |
| 292 | u32 dif_len = addr - aligned_addr; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 293 | u32 i; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 294 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 295 | IPW_DEBUG_IO("addr = %i, buf = %p, num = %i\n", addr, buf, num); |
| 296 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 297 | if (num <= 0) { |
| 298 | return; |
| 299 | } |
| 300 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 301 | /* Read the first nibble byte by byte */ |
| 302 | if (unlikely(dif_len)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 303 | _ipw_write32(priv, CX2_INDIRECT_ADDR, aligned_addr); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 304 | /* Start reading at aligned_addr + dif_len */ |
| 305 | for (i = dif_len; ((i < 4) && (num > 0)); i++, num--) |
| 306 | *buf++ = _ipw_read8(priv, CX2_INDIRECT_DATA + i); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 307 | aligned_addr += 4; |
| 308 | } |
| 309 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 310 | _ipw_write32(priv, CX2_AUTOINC_ADDR, aligned_addr); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 311 | for (; num >= 4; buf += 4, aligned_addr += 4, num -= 4) |
| 312 | *(u32 *) buf = _ipw_read32(priv, CX2_AUTOINC_DATA); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 313 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 314 | /* Copy the last nibble */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 315 | if (unlikely(num)) { |
| 316 | _ipw_write32(priv, CX2_INDIRECT_ADDR, aligned_addr); |
| 317 | for (i = 0; num > 0; i++, num--) |
| 318 | *buf++ = ipw_read8(priv, CX2_INDIRECT_DATA + i); |
| 319 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 320 | } |
| 321 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 322 | static void _ipw_write_indirect(struct ipw_priv *priv, u32 addr, u8 * buf, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 323 | int num) |
| 324 | { |
| 325 | u32 aligned_addr = addr & CX2_INDIRECT_ADDR_MASK; |
| 326 | u32 dif_len = addr - aligned_addr; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 327 | u32 i; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 328 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 329 | IPW_DEBUG_IO("addr = %i, buf = %p, num = %i\n", addr, buf, num); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 330 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 331 | if (num <= 0) { |
| 332 | return; |
| 333 | } |
| 334 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 335 | /* Write the first nibble byte by byte */ |
| 336 | if (unlikely(dif_len)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 337 | _ipw_write32(priv, CX2_INDIRECT_ADDR, aligned_addr); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 338 | /* Start reading at aligned_addr + dif_len */ |
| 339 | for (i = dif_len; ((i < 4) && (num > 0)); i++, num--, buf++) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 340 | _ipw_write8(priv, CX2_INDIRECT_DATA + i, *buf); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 341 | aligned_addr += 4; |
| 342 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 343 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 344 | _ipw_write32(priv, CX2_AUTOINC_ADDR, aligned_addr); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 345 | for (; num >= 4; buf += 4, aligned_addr += 4, num -= 4) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 346 | _ipw_write32(priv, CX2_AUTOINC_DATA, *(u32 *) buf); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 347 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 348 | /* Copy the last nibble */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 349 | if (unlikely(num)) { |
| 350 | _ipw_write32(priv, CX2_INDIRECT_ADDR, aligned_addr); |
| 351 | for (i = 0; num > 0; i++, num--, buf++) |
| 352 | _ipw_write8(priv, CX2_INDIRECT_DATA + i, *buf); |
| 353 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 354 | } |
| 355 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 356 | static void ipw_write_direct(struct ipw_priv *priv, u32 addr, void *buf, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 357 | int num) |
| 358 | { |
| 359 | memcpy_toio((priv->hw_base + addr), buf, num); |
| 360 | } |
| 361 | |
| 362 | static inline void ipw_set_bit(struct ipw_priv *priv, u32 reg, u32 mask) |
| 363 | { |
| 364 | ipw_write32(priv, reg, ipw_read32(priv, reg) | mask); |
| 365 | } |
| 366 | |
| 367 | static inline void ipw_clear_bit(struct ipw_priv *priv, u32 reg, u32 mask) |
| 368 | { |
| 369 | ipw_write32(priv, reg, ipw_read32(priv, reg) & ~mask); |
| 370 | } |
| 371 | |
| 372 | static inline void ipw_enable_interrupts(struct ipw_priv *priv) |
| 373 | { |
| 374 | if (priv->status & STATUS_INT_ENABLED) |
| 375 | return; |
| 376 | priv->status |= STATUS_INT_ENABLED; |
| 377 | ipw_write32(priv, CX2_INTA_MASK_R, CX2_INTA_MASK_ALL); |
| 378 | } |
| 379 | |
| 380 | static inline void ipw_disable_interrupts(struct ipw_priv *priv) |
| 381 | { |
| 382 | if (!(priv->status & STATUS_INT_ENABLED)) |
| 383 | return; |
| 384 | priv->status &= ~STATUS_INT_ENABLED; |
| 385 | ipw_write32(priv, CX2_INTA_MASK_R, ~CX2_INTA_MASK_ALL); |
| 386 | } |
| 387 | |
| 388 | static char *ipw_error_desc(u32 val) |
| 389 | { |
| 390 | switch (val) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 391 | case IPW_FW_ERROR_OK: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 392 | return "ERROR_OK"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 393 | case IPW_FW_ERROR_FAIL: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 394 | return "ERROR_FAIL"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 395 | case IPW_FW_ERROR_MEMORY_UNDERFLOW: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 396 | return "MEMORY_UNDERFLOW"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 397 | case IPW_FW_ERROR_MEMORY_OVERFLOW: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 398 | return "MEMORY_OVERFLOW"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 399 | case IPW_FW_ERROR_BAD_PARAM: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 400 | return "ERROR_BAD_PARAM"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 401 | case IPW_FW_ERROR_BAD_CHECKSUM: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 402 | return "ERROR_BAD_CHECKSUM"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 403 | case IPW_FW_ERROR_NMI_INTERRUPT: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 404 | return "ERROR_NMI_INTERRUPT"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 405 | case IPW_FW_ERROR_BAD_DATABASE: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 406 | return "ERROR_BAD_DATABASE"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 407 | case IPW_FW_ERROR_ALLOC_FAIL: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 408 | return "ERROR_ALLOC_FAIL"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 409 | case IPW_FW_ERROR_DMA_UNDERRUN: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 410 | return "ERROR_DMA_UNDERRUN"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 411 | case IPW_FW_ERROR_DMA_STATUS: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 412 | return "ERROR_DMA_STATUS"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 413 | case IPW_FW_ERROR_DINOSTATUS_ERROR: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 414 | return "ERROR_DINOSTATUS_ERROR"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 415 | case IPW_FW_ERROR_EEPROMSTATUS_ERROR: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 416 | return "ERROR_EEPROMSTATUS_ERROR"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 417 | case IPW_FW_ERROR_SYSASSERT: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 418 | return "ERROR_SYSASSERT"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 419 | case IPW_FW_ERROR_FATAL_ERROR: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 420 | return "ERROR_FATALSTATUS_ERROR"; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 421 | default: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 422 | return "UNKNOWNSTATUS_ERROR"; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | static void ipw_dump_nic_error_log(struct ipw_priv *priv) |
| 427 | { |
| 428 | u32 desc, time, blink1, blink2, ilink1, ilink2, idata, i, count, base; |
| 429 | |
| 430 | base = ipw_read32(priv, IPWSTATUS_ERROR_LOG); |
| 431 | count = ipw_read_reg32(priv, base); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 432 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 433 | if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { |
| 434 | IPW_ERROR("Start IPW Error Log Dump:\n"); |
| 435 | IPW_ERROR("Status: 0x%08X, Config: %08X\n", |
| 436 | priv->status, priv->config); |
| 437 | } |
| 438 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 439 | for (i = ERROR_START_OFFSET; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 440 | i <= count * ERROR_ELEM_SIZE; i += ERROR_ELEM_SIZE) { |
| 441 | desc = ipw_read_reg32(priv, base + i); |
| 442 | time = ipw_read_reg32(priv, base + i + 1 * sizeof(u32)); |
| 443 | blink1 = ipw_read_reg32(priv, base + i + 2 * sizeof(u32)); |
| 444 | blink2 = ipw_read_reg32(priv, base + i + 3 * sizeof(u32)); |
| 445 | ilink1 = ipw_read_reg32(priv, base + i + 4 * sizeof(u32)); |
| 446 | ilink2 = ipw_read_reg32(priv, base + i + 5 * sizeof(u32)); |
| 447 | idata = ipw_read_reg32(priv, base + i + 6 * sizeof(u32)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 448 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 449 | IPW_ERROR("%s %i 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", |
| 450 | ipw_error_desc(desc), time, blink1, blink2, |
| 451 | ilink1, ilink2, idata); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 452 | } |
| 453 | } |
| 454 | |
| 455 | static void ipw_dump_nic_event_log(struct ipw_priv *priv) |
| 456 | { |
| 457 | u32 ev, time, data, i, count, base; |
| 458 | |
| 459 | base = ipw_read32(priv, IPW_EVENT_LOG); |
| 460 | count = ipw_read_reg32(priv, base); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 461 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 462 | if (EVENT_START_OFFSET <= count * EVENT_ELEM_SIZE) |
| 463 | IPW_ERROR("Start IPW Event Log Dump:\n"); |
| 464 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 465 | for (i = EVENT_START_OFFSET; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 466 | i <= count * EVENT_ELEM_SIZE; i += EVENT_ELEM_SIZE) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 467 | ev = ipw_read_reg32(priv, base + i); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 468 | time = ipw_read_reg32(priv, base + i + 1 * sizeof(u32)); |
| 469 | data = ipw_read_reg32(priv, base + i + 2 * sizeof(u32)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 470 | |
| 471 | #ifdef CONFIG_IPW_DEBUG |
| 472 | IPW_ERROR("%i\t0x%08x\t%i\n", time, data, ev); |
| 473 | #endif |
| 474 | } |
| 475 | } |
| 476 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 477 | static inline int ipw_is_init(struct ipw_priv *priv) |
| 478 | { |
| 479 | return (priv->status & STATUS_INIT) ? 1 : 0; |
| 480 | } |
| 481 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 482 | static int ipw_get_ordinal(struct ipw_priv *priv, u32 ord, void *val, u32 * len) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 483 | { |
| 484 | u32 addr, field_info, field_len, field_count, total_len; |
| 485 | |
| 486 | IPW_DEBUG_ORD("ordinal = %i\n", ord); |
| 487 | |
| 488 | if (!priv || !val || !len) { |
| 489 | IPW_DEBUG_ORD("Invalid argument\n"); |
| 490 | return -EINVAL; |
| 491 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 492 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 493 | /* verify device ordinal tables have been initialized */ |
| 494 | if (!priv->table0_addr || !priv->table1_addr || !priv->table2_addr) { |
| 495 | IPW_DEBUG_ORD("Access ordinals before initialization\n"); |
| 496 | return -EINVAL; |
| 497 | } |
| 498 | |
| 499 | switch (IPW_ORD_TABLE_ID_MASK & ord) { |
| 500 | case IPW_ORD_TABLE_0_MASK: |
| 501 | /* |
| 502 | * TABLE 0: Direct access to a table of 32 bit values |
| 503 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 504 | * This is a very simple table with the data directly |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 505 | * read from the table |
| 506 | */ |
| 507 | |
| 508 | /* remove the table id from the ordinal */ |
| 509 | ord &= IPW_ORD_TABLE_VALUE_MASK; |
| 510 | |
| 511 | /* boundary check */ |
| 512 | if (ord > priv->table0_len) { |
| 513 | IPW_DEBUG_ORD("ordinal value (%i) longer then " |
| 514 | "max (%i)\n", ord, priv->table0_len); |
| 515 | return -EINVAL; |
| 516 | } |
| 517 | |
| 518 | /* verify we have enough room to store the value */ |
| 519 | if (*len < sizeof(u32)) { |
| 520 | IPW_DEBUG_ORD("ordinal buffer length too small, " |
Jiri Benc | aaa4d30 | 2005-06-07 14:58:41 +0200 | [diff] [blame] | 521 | "need %zd\n", sizeof(u32)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 522 | return -EINVAL; |
| 523 | } |
| 524 | |
| 525 | IPW_DEBUG_ORD("Reading TABLE0[%i] from offset 0x%08x\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 526 | ord, priv->table0_addr + (ord << 2)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 527 | |
| 528 | *len = sizeof(u32); |
| 529 | ord <<= 2; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 530 | *((u32 *) val) = ipw_read32(priv, priv->table0_addr + ord); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 531 | break; |
| 532 | |
| 533 | case IPW_ORD_TABLE_1_MASK: |
| 534 | /* |
| 535 | * TABLE 1: Indirect access to a table of 32 bit values |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 536 | * |
| 537 | * This is a fairly large table of u32 values each |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 538 | * representing starting addr for the data (which is |
| 539 | * also a u32) |
| 540 | */ |
| 541 | |
| 542 | /* remove the table id from the ordinal */ |
| 543 | ord &= IPW_ORD_TABLE_VALUE_MASK; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 544 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 545 | /* boundary check */ |
| 546 | if (ord > priv->table1_len) { |
| 547 | IPW_DEBUG_ORD("ordinal value too long\n"); |
| 548 | return -EINVAL; |
| 549 | } |
| 550 | |
| 551 | /* verify we have enough room to store the value */ |
| 552 | if (*len < sizeof(u32)) { |
| 553 | IPW_DEBUG_ORD("ordinal buffer length too small, " |
Jiri Benc | aaa4d30 | 2005-06-07 14:58:41 +0200 | [diff] [blame] | 554 | "need %zd\n", sizeof(u32)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 555 | return -EINVAL; |
| 556 | } |
| 557 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 558 | *((u32 *) val) = |
| 559 | ipw_read_reg32(priv, (priv->table1_addr + (ord << 2))); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 560 | *len = sizeof(u32); |
| 561 | break; |
| 562 | |
| 563 | case IPW_ORD_TABLE_2_MASK: |
| 564 | /* |
| 565 | * TABLE 2: Indirect access to a table of variable sized values |
| 566 | * |
| 567 | * This table consist of six values, each containing |
| 568 | * - dword containing the starting offset of the data |
| 569 | * - dword containing the lengh in the first 16bits |
| 570 | * and the count in the second 16bits |
| 571 | */ |
| 572 | |
| 573 | /* remove the table id from the ordinal */ |
| 574 | ord &= IPW_ORD_TABLE_VALUE_MASK; |
| 575 | |
| 576 | /* boundary check */ |
| 577 | if (ord > priv->table2_len) { |
| 578 | IPW_DEBUG_ORD("ordinal value too long\n"); |
| 579 | return -EINVAL; |
| 580 | } |
| 581 | |
| 582 | /* get the address of statistic */ |
| 583 | addr = ipw_read_reg32(priv, priv->table2_addr + (ord << 3)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 584 | |
| 585 | /* get the second DW of statistics ; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 586 | * two 16-bit words - first is length, second is count */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 587 | field_info = |
| 588 | ipw_read_reg32(priv, |
| 589 | priv->table2_addr + (ord << 3) + |
| 590 | sizeof(u32)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 591 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 592 | /* get each entry length */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 593 | field_len = *((u16 *) & field_info); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 594 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 595 | /* get number of entries */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 596 | field_count = *(((u16 *) & field_info) + 1); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 597 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 598 | /* abort if not enought memory */ |
| 599 | total_len = field_len * field_count; |
| 600 | if (total_len > *len) { |
| 601 | *len = total_len; |
| 602 | return -EINVAL; |
| 603 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 604 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 605 | *len = total_len; |
| 606 | if (!total_len) |
| 607 | return 0; |
| 608 | |
| 609 | IPW_DEBUG_ORD("addr = 0x%08x, total_len = %i, " |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 610 | "field_info = 0x%08x\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 611 | addr, total_len, field_info); |
| 612 | ipw_read_indirect(priv, addr, val, total_len); |
| 613 | break; |
| 614 | |
| 615 | default: |
| 616 | IPW_DEBUG_ORD("Invalid ordinal!\n"); |
| 617 | return -EINVAL; |
| 618 | |
| 619 | } |
| 620 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | static void ipw_init_ordinals(struct ipw_priv *priv) |
| 625 | { |
| 626 | priv->table0_addr = IPW_ORDINALS_TABLE_LOWER; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 627 | priv->table0_len = ipw_read32(priv, priv->table0_addr); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 628 | |
| 629 | IPW_DEBUG_ORD("table 0 offset at 0x%08x, len = %i\n", |
| 630 | priv->table0_addr, priv->table0_len); |
| 631 | |
| 632 | priv->table1_addr = ipw_read32(priv, IPW_ORDINALS_TABLE_1); |
| 633 | priv->table1_len = ipw_read_reg32(priv, priv->table1_addr); |
| 634 | |
| 635 | IPW_DEBUG_ORD("table 1 offset at 0x%08x, len = %i\n", |
| 636 | priv->table1_addr, priv->table1_len); |
| 637 | |
| 638 | priv->table2_addr = ipw_read32(priv, IPW_ORDINALS_TABLE_2); |
| 639 | priv->table2_len = ipw_read_reg32(priv, priv->table2_addr); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 640 | priv->table2_len &= 0x0000ffff; /* use first two bytes */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 641 | |
| 642 | IPW_DEBUG_ORD("table 2 offset at 0x%08x, len = %i\n", |
| 643 | priv->table2_addr, priv->table2_len); |
| 644 | |
| 645 | } |
| 646 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 647 | u32 ipw_register_toggle(u32 reg) |
| 648 | { |
| 649 | reg &= ~CX2_START_STANDBY; |
| 650 | if (reg & CX2_GATE_ODMA) |
| 651 | reg &= ~CX2_GATE_ODMA; |
| 652 | if (reg & CX2_GATE_IDMA) |
| 653 | reg &= ~CX2_GATE_IDMA; |
| 654 | if (reg & CX2_GATE_ADMA) |
| 655 | reg &= ~CX2_GATE_ADMA; |
| 656 | return reg; |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | * LED behavior: |
| 661 | * - On radio ON, turn on any LEDs that require to be on during start |
| 662 | * - On initialization, start unassociated blink |
| 663 | * - On association, disable unassociated blink |
| 664 | * - On disassociation, start unassociated blink |
| 665 | * - On radio OFF, turn off any LEDs started during radio on |
| 666 | * |
| 667 | */ |
| 668 | #define LD_TIME_LINK_ON 300 |
| 669 | #define LD_TIME_LINK_OFF 2700 |
| 670 | #define LD_TIME_ACT_ON 250 |
| 671 | |
| 672 | void ipw_led_link_on(struct ipw_priv *priv) |
| 673 | { |
| 674 | unsigned long flags; |
| 675 | u32 led; |
| 676 | |
| 677 | /* If configured to not use LEDs, or nic_type is 1, |
| 678 | * then we don't toggle a LINK led */ |
| 679 | if (priv->config & CFG_NO_LED || priv->nic_type == EEPROM_NIC_TYPE_1) |
| 680 | return; |
| 681 | |
| 682 | spin_lock_irqsave(&priv->lock, flags); |
| 683 | |
| 684 | if (!(priv->status & STATUS_RF_KILL_MASK) && |
| 685 | !(priv->status & STATUS_LED_LINK_ON)) { |
| 686 | IPW_DEBUG_LED("Link LED On\n"); |
| 687 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 688 | led |= priv->led_association_on; |
| 689 | |
| 690 | led = ipw_register_toggle(led); |
| 691 | |
| 692 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 693 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 694 | |
| 695 | priv->status |= STATUS_LED_LINK_ON; |
| 696 | |
| 697 | /* If we aren't associated, schedule turning the LED off */ |
| 698 | if (!(priv->status & STATUS_ASSOCIATED)) |
| 699 | queue_delayed_work(priv->workqueue, |
| 700 | &priv->led_link_off, |
| 701 | LD_TIME_LINK_ON); |
| 702 | } |
| 703 | |
| 704 | spin_unlock_irqrestore(&priv->lock, flags); |
| 705 | } |
| 706 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 707 | static void ipw_bg_led_link_on(void *data) |
| 708 | { |
| 709 | struct ipw_priv *priv = data; |
| 710 | down(&priv->sem); |
| 711 | ipw_led_link_on(data); |
| 712 | up(&priv->sem); |
| 713 | } |
| 714 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 715 | void ipw_led_link_off(struct ipw_priv *priv) |
| 716 | { |
| 717 | unsigned long flags; |
| 718 | u32 led; |
| 719 | |
| 720 | /* If configured not to use LEDs, or nic type is 1, |
| 721 | * then we don't goggle the LINK led. */ |
| 722 | if (priv->config & CFG_NO_LED || priv->nic_type == EEPROM_NIC_TYPE_1) |
| 723 | return; |
| 724 | |
| 725 | spin_lock_irqsave(&priv->lock, flags); |
| 726 | |
| 727 | if (priv->status & STATUS_LED_LINK_ON) { |
| 728 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 729 | led &= priv->led_association_off; |
| 730 | led = ipw_register_toggle(led); |
| 731 | |
| 732 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 733 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 734 | |
| 735 | IPW_DEBUG_LED("Link LED Off\n"); |
| 736 | |
| 737 | priv->status &= ~STATUS_LED_LINK_ON; |
| 738 | |
| 739 | /* If we aren't associated and the radio is on, schedule |
| 740 | * turning the LED on (blink while unassociated) */ |
| 741 | if (!(priv->status & STATUS_RF_KILL_MASK) && |
| 742 | !(priv->status & STATUS_ASSOCIATED)) |
| 743 | queue_delayed_work(priv->workqueue, &priv->led_link_on, |
| 744 | LD_TIME_LINK_OFF); |
| 745 | |
| 746 | } |
| 747 | |
| 748 | spin_unlock_irqrestore(&priv->lock, flags); |
| 749 | } |
| 750 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 751 | static void ipw_bg_led_link_off(void *data) |
| 752 | { |
| 753 | struct ipw_priv *priv = data; |
| 754 | down(&priv->sem); |
| 755 | ipw_led_link_off(data); |
| 756 | up(&priv->sem); |
| 757 | } |
| 758 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 759 | void ipw_led_activity_on(struct ipw_priv *priv) |
| 760 | { |
| 761 | unsigned long flags; |
| 762 | u32 led; |
| 763 | |
| 764 | if (priv->config & CFG_NO_LED) |
| 765 | return; |
| 766 | |
| 767 | spin_lock_irqsave(&priv->lock, flags); |
| 768 | |
| 769 | if (priv->status & STATUS_RF_KILL_MASK) { |
| 770 | spin_unlock_irqrestore(&priv->lock, flags); |
| 771 | return; |
| 772 | } |
| 773 | |
| 774 | if (!(priv->status & STATUS_LED_ACT_ON)) { |
| 775 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 776 | led |= priv->led_activity_on; |
| 777 | |
| 778 | led = ipw_register_toggle(led); |
| 779 | |
| 780 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 781 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 782 | |
| 783 | IPW_DEBUG_LED("Activity LED On\n"); |
| 784 | |
| 785 | priv->status |= STATUS_LED_ACT_ON; |
| 786 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 787 | cancel_delayed_work(&priv->led_act_off); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 788 | queue_delayed_work(priv->workqueue, &priv->led_act_off, |
| 789 | LD_TIME_ACT_ON); |
| 790 | } else { |
| 791 | /* Reschedule LED off for full time period */ |
| 792 | cancel_delayed_work(&priv->led_act_off); |
| 793 | queue_delayed_work(priv->workqueue, &priv->led_act_off, |
| 794 | LD_TIME_ACT_ON); |
| 795 | } |
| 796 | |
| 797 | spin_unlock_irqrestore(&priv->lock, flags); |
| 798 | } |
| 799 | |
| 800 | void ipw_led_activity_off(struct ipw_priv *priv) |
| 801 | { |
| 802 | unsigned long flags; |
| 803 | u32 led; |
| 804 | |
| 805 | if (priv->config & CFG_NO_LED) |
| 806 | return; |
| 807 | |
| 808 | spin_lock_irqsave(&priv->lock, flags); |
| 809 | |
| 810 | if (priv->status & STATUS_LED_ACT_ON) { |
| 811 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 812 | led &= priv->led_activity_off; |
| 813 | |
| 814 | led = ipw_register_toggle(led); |
| 815 | |
| 816 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 817 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 818 | |
| 819 | IPW_DEBUG_LED("Activity LED Off\n"); |
| 820 | |
| 821 | priv->status &= ~STATUS_LED_ACT_ON; |
| 822 | } |
| 823 | |
| 824 | spin_unlock_irqrestore(&priv->lock, flags); |
| 825 | } |
| 826 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 827 | static void ipw_bg_led_activity_off(void *data) |
| 828 | { |
| 829 | struct ipw_priv *priv = data; |
| 830 | down(&priv->sem); |
| 831 | ipw_led_activity_off(data); |
| 832 | up(&priv->sem); |
| 833 | } |
| 834 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 835 | void ipw_led_band_on(struct ipw_priv *priv) |
| 836 | { |
| 837 | unsigned long flags; |
| 838 | u32 led; |
| 839 | |
| 840 | /* Only nic type 1 supports mode LEDs */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 841 | if (priv->config & CFG_NO_LED || |
| 842 | priv->nic_type != EEPROM_NIC_TYPE_1 || !priv->assoc_network) |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 843 | return; |
| 844 | |
| 845 | spin_lock_irqsave(&priv->lock, flags); |
| 846 | |
| 847 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 848 | if (priv->assoc_network->mode == IEEE_A) { |
| 849 | led |= priv->led_ofdm_on; |
| 850 | led &= priv->led_association_off; |
| 851 | IPW_DEBUG_LED("Mode LED On: 802.11a\n"); |
| 852 | } else if (priv->assoc_network->mode == IEEE_G) { |
| 853 | led |= priv->led_ofdm_on; |
| 854 | led |= priv->led_association_on; |
| 855 | IPW_DEBUG_LED("Mode LED On: 802.11g\n"); |
| 856 | } else { |
| 857 | led &= priv->led_ofdm_off; |
| 858 | led |= priv->led_association_on; |
| 859 | IPW_DEBUG_LED("Mode LED On: 802.11b\n"); |
| 860 | } |
| 861 | |
| 862 | led = ipw_register_toggle(led); |
| 863 | |
| 864 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 865 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 866 | |
| 867 | spin_unlock_irqrestore(&priv->lock, flags); |
| 868 | } |
| 869 | |
| 870 | void ipw_led_band_off(struct ipw_priv *priv) |
| 871 | { |
| 872 | unsigned long flags; |
| 873 | u32 led; |
| 874 | |
| 875 | /* Only nic type 1 supports mode LEDs */ |
| 876 | if (priv->config & CFG_NO_LED || priv->nic_type != EEPROM_NIC_TYPE_1) |
| 877 | return; |
| 878 | |
| 879 | spin_lock_irqsave(&priv->lock, flags); |
| 880 | |
| 881 | led = ipw_read_reg32(priv, CX2_EVENT_REG); |
| 882 | led &= priv->led_ofdm_off; |
| 883 | led &= priv->led_association_off; |
| 884 | |
| 885 | led = ipw_register_toggle(led); |
| 886 | |
| 887 | IPW_DEBUG_LED("Reg: 0x%08X\n", led); |
| 888 | ipw_write_reg32(priv, CX2_EVENT_REG, led); |
| 889 | |
| 890 | spin_unlock_irqrestore(&priv->lock, flags); |
| 891 | } |
| 892 | |
| 893 | void ipw_led_radio_on(struct ipw_priv *priv) |
| 894 | { |
| 895 | ipw_led_link_on(priv); |
| 896 | } |
| 897 | |
| 898 | void ipw_led_radio_off(struct ipw_priv *priv) |
| 899 | { |
| 900 | ipw_led_activity_off(priv); |
| 901 | ipw_led_link_off(priv); |
| 902 | } |
| 903 | |
| 904 | void ipw_led_link_up(struct ipw_priv *priv) |
| 905 | { |
| 906 | /* Set the Link Led on for all nic types */ |
| 907 | ipw_led_link_on(priv); |
| 908 | } |
| 909 | |
| 910 | void ipw_led_link_down(struct ipw_priv *priv) |
| 911 | { |
| 912 | ipw_led_activity_off(priv); |
| 913 | ipw_led_link_off(priv); |
| 914 | |
| 915 | if (priv->status & STATUS_RF_KILL_MASK) |
| 916 | ipw_led_radio_off(priv); |
| 917 | } |
| 918 | |
| 919 | void ipw_led_init(struct ipw_priv *priv) |
| 920 | { |
| 921 | priv->nic_type = priv->eeprom[EEPROM_NIC_TYPE]; |
| 922 | |
| 923 | /* Set the default PINs for the link and activity leds */ |
| 924 | priv->led_activity_on = CX2_ACTIVITY_LED; |
| 925 | priv->led_activity_off = ~(CX2_ACTIVITY_LED); |
| 926 | |
| 927 | priv->led_association_on = CX2_ASSOCIATED_LED; |
| 928 | priv->led_association_off = ~(CX2_ASSOCIATED_LED); |
| 929 | |
| 930 | /* Set the default PINs for the OFDM leds */ |
| 931 | priv->led_ofdm_on = CX2_OFDM_LED; |
| 932 | priv->led_ofdm_off = ~(CX2_OFDM_LED); |
| 933 | |
| 934 | switch (priv->nic_type) { |
| 935 | case EEPROM_NIC_TYPE_1: |
| 936 | /* In this NIC type, the LEDs are reversed.... */ |
| 937 | priv->led_activity_on = CX2_ASSOCIATED_LED; |
| 938 | priv->led_activity_off = ~(CX2_ASSOCIATED_LED); |
| 939 | priv->led_association_on = CX2_ACTIVITY_LED; |
| 940 | priv->led_association_off = ~(CX2_ACTIVITY_LED); |
| 941 | |
| 942 | if (!(priv->config & CFG_NO_LED)) |
| 943 | ipw_led_band_on(priv); |
| 944 | |
| 945 | /* And we don't blink link LEDs for this nic, so |
| 946 | * just return here */ |
| 947 | return; |
| 948 | |
| 949 | case EEPROM_NIC_TYPE_3: |
| 950 | case EEPROM_NIC_TYPE_2: |
| 951 | case EEPROM_NIC_TYPE_4: |
| 952 | case EEPROM_NIC_TYPE_0: |
| 953 | break; |
| 954 | |
| 955 | default: |
| 956 | IPW_DEBUG_INFO("Unknown NIC type from EEPROM: %d\n", |
| 957 | priv->nic_type); |
| 958 | priv->nic_type = EEPROM_NIC_TYPE_0; |
| 959 | break; |
| 960 | } |
| 961 | |
| 962 | if (!(priv->config & CFG_NO_LED)) { |
| 963 | if (priv->status & STATUS_ASSOCIATED) |
| 964 | ipw_led_link_on(priv); |
| 965 | else |
| 966 | ipw_led_link_off(priv); |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | void ipw_led_shutdown(struct ipw_priv *priv) |
| 971 | { |
| 972 | cancel_delayed_work(&priv->led_link_on); |
| 973 | cancel_delayed_work(&priv->led_link_off); |
| 974 | cancel_delayed_work(&priv->led_act_off); |
| 975 | ipw_led_activity_off(priv); |
| 976 | ipw_led_link_off(priv); |
| 977 | ipw_led_band_off(priv); |
| 978 | } |
| 979 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 980 | /* |
| 981 | * The following adds a new attribute to the sysfs representation |
| 982 | * of this device driver (i.e. a new file in /sys/bus/pci/drivers/ipw/) |
| 983 | * used for controling the debug level. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 984 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 985 | * See the level definitions in ipw for details. |
| 986 | */ |
| 987 | static ssize_t show_debug_level(struct device_driver *d, char *buf) |
| 988 | { |
| 989 | return sprintf(buf, "0x%08X\n", ipw_debug_level); |
| 990 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 991 | |
| 992 | static ssize_t store_debug_level(struct device_driver *d, const char *buf, |
| 993 | size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 994 | { |
| 995 | char *p = (char *)buf; |
| 996 | u32 val; |
| 997 | |
| 998 | if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { |
| 999 | p++; |
| 1000 | if (p[0] == 'x' || p[0] == 'X') |
| 1001 | p++; |
| 1002 | val = simple_strtoul(p, &p, 16); |
| 1003 | } else |
| 1004 | val = simple_strtoul(p, &p, 10); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1005 | if (p == buf) |
| 1006 | printk(KERN_INFO DRV_NAME |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1007 | ": %s is not in hex or decimal form.\n", buf); |
| 1008 | else |
| 1009 | ipw_debug_level = val; |
| 1010 | |
| 1011 | return strnlen(buf, count); |
| 1012 | } |
| 1013 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1014 | static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1015 | show_debug_level, store_debug_level); |
| 1016 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1017 | static ssize_t show_scan_age(struct device *d, struct device_attribute *attr, |
| 1018 | char *buf) |
| 1019 | { |
| 1020 | struct ipw_priv *priv = dev_get_drvdata(d); |
| 1021 | return sprintf(buf, "%d\n", priv->ieee->scan_age); |
| 1022 | } |
| 1023 | |
| 1024 | static ssize_t store_scan_age(struct device *d, struct device_attribute *attr, |
| 1025 | const char *buf, size_t count) |
| 1026 | { |
| 1027 | struct ipw_priv *priv = dev_get_drvdata(d); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 1028 | #ifdef CONFIG_IPW_DEBUG |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1029 | struct net_device *dev = priv->net_dev; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 1030 | #endif |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1031 | char buffer[] = "00000000"; |
| 1032 | unsigned long len = |
| 1033 | (sizeof(buffer) - 1) > count ? count : sizeof(buffer) - 1; |
| 1034 | unsigned long val; |
| 1035 | char *p = buffer; |
| 1036 | |
| 1037 | IPW_DEBUG_INFO("enter\n"); |
| 1038 | |
| 1039 | strncpy(buffer, buf, len); |
| 1040 | buffer[len] = 0; |
| 1041 | |
| 1042 | if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { |
| 1043 | p++; |
| 1044 | if (p[0] == 'x' || p[0] == 'X') |
| 1045 | p++; |
| 1046 | val = simple_strtoul(p, &p, 16); |
| 1047 | } else |
| 1048 | val = simple_strtoul(p, &p, 10); |
| 1049 | if (p == buffer) { |
| 1050 | IPW_DEBUG_INFO("%s: user supplied invalid value.\n", dev->name); |
| 1051 | } else { |
| 1052 | priv->ieee->scan_age = val; |
| 1053 | IPW_DEBUG_INFO("set scan_age = %u\n", priv->ieee->scan_age); |
| 1054 | } |
| 1055 | |
| 1056 | IPW_DEBUG_INFO("exit\n"); |
| 1057 | return len; |
| 1058 | } |
| 1059 | |
| 1060 | static DEVICE_ATTR(scan_age, S_IWUSR | S_IRUGO, show_scan_age, store_scan_age); |
| 1061 | |
| 1062 | static ssize_t show_led(struct device *d, struct device_attribute *attr, |
| 1063 | char *buf) |
| 1064 | { |
| 1065 | struct ipw_priv *priv = dev_get_drvdata(d); |
| 1066 | return sprintf(buf, "%d\n", (priv->config & CFG_NO_LED) ? 0 : 1); |
| 1067 | } |
| 1068 | |
| 1069 | static ssize_t store_led(struct device *d, struct device_attribute *attr, |
| 1070 | const char *buf, size_t count) |
| 1071 | { |
| 1072 | struct ipw_priv *priv = dev_get_drvdata(d); |
| 1073 | |
| 1074 | IPW_DEBUG_INFO("enter\n"); |
| 1075 | |
| 1076 | if (count == 0) |
| 1077 | return 0; |
| 1078 | |
| 1079 | if (*buf == 0) { |
| 1080 | IPW_DEBUG_LED("Disabling LED control.\n"); |
| 1081 | priv->config |= CFG_NO_LED; |
| 1082 | ipw_led_shutdown(priv); |
| 1083 | } else { |
| 1084 | IPW_DEBUG_LED("Enabling LED control.\n"); |
| 1085 | priv->config &= ~CFG_NO_LED; |
| 1086 | ipw_led_init(priv); |
| 1087 | } |
| 1088 | |
| 1089 | IPW_DEBUG_INFO("exit\n"); |
| 1090 | return count; |
| 1091 | } |
| 1092 | |
| 1093 | static DEVICE_ATTR(led, S_IWUSR | S_IRUGO, show_led, store_led); |
| 1094 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1095 | static ssize_t show_status(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1096 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1097 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1098 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1099 | return sprintf(buf, "0x%08x\n", (int)p->status); |
| 1100 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1101 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1102 | static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); |
| 1103 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1104 | static ssize_t show_cfg(struct device *d, struct device_attribute *attr, |
| 1105 | char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1106 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1107 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1108 | return sprintf(buf, "0x%08x\n", (int)p->config); |
| 1109 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1110 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1111 | static DEVICE_ATTR(cfg, S_IRUGO, show_cfg, NULL); |
| 1112 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1113 | static ssize_t show_nic_type(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1114 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1115 | { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1116 | struct ipw_priv *priv = d->driver_data; |
| 1117 | return sprintf(buf, "TYPE: %d\n", priv->nic_type); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1118 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1119 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1120 | static DEVICE_ATTR(nic_type, S_IRUGO, show_nic_type, NULL); |
| 1121 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1122 | static ssize_t dump_error_log(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1123 | struct device_attribute *attr, const char *buf, |
| 1124 | size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1125 | { |
| 1126 | char *p = (char *)buf; |
| 1127 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1128 | if (p[0] == '1') |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1129 | ipw_dump_nic_error_log((struct ipw_priv *)d->driver_data); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1130 | |
| 1131 | return strnlen(buf, count); |
| 1132 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1133 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1134 | static DEVICE_ATTR(dump_errors, S_IWUSR, NULL, dump_error_log); |
| 1135 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1136 | static ssize_t dump_event_log(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1137 | struct device_attribute *attr, const char *buf, |
| 1138 | size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1139 | { |
| 1140 | char *p = (char *)buf; |
| 1141 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1142 | if (p[0] == '1') |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1143 | ipw_dump_nic_event_log((struct ipw_priv *)d->driver_data); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1144 | |
| 1145 | return strnlen(buf, count); |
| 1146 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1147 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1148 | static DEVICE_ATTR(dump_events, S_IWUSR, NULL, dump_event_log); |
| 1149 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1150 | static ssize_t show_ucode_version(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1151 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1152 | { |
| 1153 | u32 len = sizeof(u32), tmp = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1154 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1155 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1156 | if (ipw_get_ordinal(p, IPW_ORD_STAT_UCODE_VERSION, &tmp, &len)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1157 | return 0; |
| 1158 | |
| 1159 | return sprintf(buf, "0x%08x\n", tmp); |
| 1160 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1161 | |
| 1162 | static DEVICE_ATTR(ucode_version, S_IWUSR | S_IRUGO, show_ucode_version, NULL); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1163 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1164 | static ssize_t show_rtc(struct device *d, struct device_attribute *attr, |
| 1165 | char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1166 | { |
| 1167 | u32 len = sizeof(u32), tmp = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1168 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1169 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1170 | if (ipw_get_ordinal(p, IPW_ORD_STAT_RTC, &tmp, &len)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1171 | return 0; |
| 1172 | |
| 1173 | return sprintf(buf, "0x%08x\n", tmp); |
| 1174 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1175 | |
| 1176 | static DEVICE_ATTR(rtc, S_IWUSR | S_IRUGO, show_rtc, NULL); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1177 | |
| 1178 | /* |
| 1179 | * Add a device attribute to view/control the delay between eeprom |
| 1180 | * operations. |
| 1181 | */ |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1182 | static ssize_t show_eeprom_delay(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1183 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1184 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1185 | int n = ((struct ipw_priv *)d->driver_data)->eeprom_delay; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1186 | return sprintf(buf, "%i\n", n); |
| 1187 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1188 | static ssize_t store_eeprom_delay(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1189 | struct device_attribute *attr, |
| 1190 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1191 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1192 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1193 | sscanf(buf, "%i", &p->eeprom_delay); |
| 1194 | return strnlen(buf, count); |
| 1195 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1196 | |
| 1197 | static DEVICE_ATTR(eeprom_delay, S_IWUSR | S_IRUGO, |
| 1198 | show_eeprom_delay, store_eeprom_delay); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1199 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1200 | static ssize_t show_command_event_reg(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1201 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1202 | { |
| 1203 | u32 reg = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1204 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1205 | |
| 1206 | reg = ipw_read_reg32(p, CX2_INTERNAL_CMD_EVENT); |
| 1207 | return sprintf(buf, "0x%08x\n", reg); |
| 1208 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1209 | static ssize_t store_command_event_reg(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1210 | struct device_attribute *attr, |
| 1211 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1212 | { |
| 1213 | u32 reg; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1214 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1215 | |
| 1216 | sscanf(buf, "%x", ®); |
| 1217 | ipw_write_reg32(p, CX2_INTERNAL_CMD_EVENT, reg); |
| 1218 | return strnlen(buf, count); |
| 1219 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1220 | |
| 1221 | static DEVICE_ATTR(command_event_reg, S_IWUSR | S_IRUGO, |
| 1222 | show_command_event_reg, store_command_event_reg); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1223 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1224 | static ssize_t show_mem_gpio_reg(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1225 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1226 | { |
| 1227 | u32 reg = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1228 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1229 | |
| 1230 | reg = ipw_read_reg32(p, 0x301100); |
| 1231 | return sprintf(buf, "0x%08x\n", reg); |
| 1232 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1233 | static ssize_t store_mem_gpio_reg(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1234 | struct device_attribute *attr, |
| 1235 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1236 | { |
| 1237 | u32 reg; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1238 | struct ipw_priv *p = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1239 | |
| 1240 | sscanf(buf, "%x", ®); |
| 1241 | ipw_write_reg32(p, 0x301100, reg); |
| 1242 | return strnlen(buf, count); |
| 1243 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1244 | |
| 1245 | static DEVICE_ATTR(mem_gpio_reg, S_IWUSR | S_IRUGO, |
| 1246 | show_mem_gpio_reg, store_mem_gpio_reg); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1247 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1248 | static ssize_t show_indirect_dword(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1249 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1250 | { |
| 1251 | u32 reg = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1252 | struct ipw_priv *priv = d->driver_data; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1253 | if (priv->status & STATUS_INDIRECT_DWORD) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1254 | reg = ipw_read_reg32(priv, priv->indirect_dword); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1255 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1256 | reg = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1257 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1258 | return sprintf(buf, "0x%08x\n", reg); |
| 1259 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1260 | static ssize_t store_indirect_dword(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1261 | struct device_attribute *attr, |
| 1262 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1263 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1264 | struct ipw_priv *priv = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1265 | |
| 1266 | sscanf(buf, "%x", &priv->indirect_dword); |
| 1267 | priv->status |= STATUS_INDIRECT_DWORD; |
| 1268 | return strnlen(buf, count); |
| 1269 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1270 | |
| 1271 | static DEVICE_ATTR(indirect_dword, S_IWUSR | S_IRUGO, |
| 1272 | show_indirect_dword, store_indirect_dword); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1273 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1274 | static ssize_t show_indirect_byte(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1275 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1276 | { |
| 1277 | u8 reg = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1278 | struct ipw_priv *priv = d->driver_data; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1279 | if (priv->status & STATUS_INDIRECT_BYTE) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1280 | reg = ipw_read_reg8(priv, priv->indirect_byte); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1281 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1282 | reg = 0; |
| 1283 | |
| 1284 | return sprintf(buf, "0x%02x\n", reg); |
| 1285 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1286 | static ssize_t store_indirect_byte(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1287 | struct device_attribute *attr, |
| 1288 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1289 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1290 | struct ipw_priv *priv = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1291 | |
| 1292 | sscanf(buf, "%x", &priv->indirect_byte); |
| 1293 | priv->status |= STATUS_INDIRECT_BYTE; |
| 1294 | return strnlen(buf, count); |
| 1295 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1296 | |
| 1297 | static DEVICE_ATTR(indirect_byte, S_IWUSR | S_IRUGO, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1298 | show_indirect_byte, store_indirect_byte); |
| 1299 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1300 | static ssize_t show_direct_dword(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1301 | struct device_attribute *attr, char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1302 | { |
| 1303 | u32 reg = 0; |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1304 | struct ipw_priv *priv = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1305 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1306 | if (priv->status & STATUS_DIRECT_DWORD) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1307 | reg = ipw_read32(priv, priv->direct_dword); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1308 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1309 | reg = 0; |
| 1310 | |
| 1311 | return sprintf(buf, "0x%08x\n", reg); |
| 1312 | } |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1313 | static ssize_t store_direct_dword(struct device *d, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1314 | struct device_attribute *attr, |
| 1315 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1316 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1317 | struct ipw_priv *priv = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1318 | |
| 1319 | sscanf(buf, "%x", &priv->direct_dword); |
| 1320 | priv->status |= STATUS_DIRECT_DWORD; |
| 1321 | return strnlen(buf, count); |
| 1322 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1323 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1324 | static DEVICE_ATTR(direct_dword, S_IWUSR | S_IRUGO, |
| 1325 | show_direct_dword, store_direct_dword); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1326 | |
| 1327 | static inline int rf_kill_active(struct ipw_priv *priv) |
| 1328 | { |
| 1329 | if (0 == (ipw_read32(priv, 0x30) & 0x10000)) |
| 1330 | priv->status |= STATUS_RF_KILL_HW; |
| 1331 | else |
| 1332 | priv->status &= ~STATUS_RF_KILL_HW; |
| 1333 | |
| 1334 | return (priv->status & STATUS_RF_KILL_HW) ? 1 : 0; |
| 1335 | } |
| 1336 | |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1337 | static ssize_t show_rf_kill(struct device *d, struct device_attribute *attr, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1338 | char *buf) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1339 | { |
| 1340 | /* 0 - RF kill not enabled |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1341 | 1 - SW based RF kill active (sysfs) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1342 | 2 - HW based RF kill active |
| 1343 | 3 - Both HW and SW baed RF kill active */ |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1344 | struct ipw_priv *priv = d->driver_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1345 | int val = ((priv->status & STATUS_RF_KILL_SW) ? 0x1 : 0x0) | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1346 | (rf_kill_active(priv) ? 0x2 : 0x0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1347 | return sprintf(buf, "%i\n", val); |
| 1348 | } |
| 1349 | |
| 1350 | static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio) |
| 1351 | { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1352 | if ((disable_radio ? 1 : 0) == |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 1353 | ((priv->status & STATUS_RF_KILL_SW) ? 1 : 0)) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1354 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1355 | |
| 1356 | IPW_DEBUG_RF_KILL("Manual SW RF Kill set to: RADIO %s\n", |
| 1357 | disable_radio ? "OFF" : "ON"); |
| 1358 | |
| 1359 | if (disable_radio) { |
| 1360 | priv->status |= STATUS_RF_KILL_SW; |
| 1361 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1362 | if (priv->workqueue) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1363 | cancel_delayed_work(&priv->request_scan); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1364 | wake_up_interruptible(&priv->wait_command_queue); |
| 1365 | queue_work(priv->workqueue, &priv->down); |
| 1366 | } else { |
| 1367 | priv->status &= ~STATUS_RF_KILL_SW; |
| 1368 | if (rf_kill_active(priv)) { |
| 1369 | IPW_DEBUG_RF_KILL("Can not turn radio back on - " |
| 1370 | "disabled by HW switch\n"); |
| 1371 | /* Make sure the RF_KILL check timer is running */ |
| 1372 | cancel_delayed_work(&priv->rf_kill); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1373 | queue_delayed_work(priv->workqueue, &priv->rf_kill, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1374 | 2 * HZ); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1375 | } else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1376 | queue_work(priv->workqueue, &priv->up); |
| 1377 | } |
| 1378 | |
| 1379 | return 1; |
| 1380 | } |
| 1381 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1382 | static ssize_t store_rf_kill(struct device *d, struct device_attribute *attr, |
| 1383 | const char *buf, size_t count) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1384 | { |
Andrew Morton | ad3fee5 | 2005-06-20 14:30:36 -0700 | [diff] [blame] | 1385 | struct ipw_priv *priv = d->driver_data; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1386 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1387 | ipw_radio_kill_sw(priv, buf[0] == '1'); |
| 1388 | |
| 1389 | return count; |
| 1390 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1391 | |
| 1392 | static DEVICE_ATTR(rf_kill, S_IWUSR | S_IRUGO, show_rf_kill, store_rf_kill); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1393 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 1394 | static void notify_wx_assoc_event(struct ipw_priv *priv) |
| 1395 | { |
| 1396 | union iwreq_data wrqu; |
| 1397 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; |
| 1398 | if (priv->status & STATUS_ASSOCIATED) |
| 1399 | memcpy(wrqu.ap_addr.sa_data, priv->bssid, ETH_ALEN); |
| 1400 | else |
| 1401 | memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); |
| 1402 | wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); |
| 1403 | } |
| 1404 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1405 | static void ipw_irq_tasklet(struct ipw_priv *priv) |
| 1406 | { |
| 1407 | u32 inta, inta_mask, handled = 0; |
| 1408 | unsigned long flags; |
| 1409 | int rc = 0; |
| 1410 | |
| 1411 | spin_lock_irqsave(&priv->lock, flags); |
| 1412 | |
| 1413 | inta = ipw_read32(priv, CX2_INTA_RW); |
| 1414 | inta_mask = ipw_read32(priv, CX2_INTA_MASK_R); |
| 1415 | inta &= (CX2_INTA_MASK_ALL & inta_mask); |
| 1416 | |
| 1417 | /* Add any cached INTA values that need to be handled */ |
| 1418 | inta |= priv->isr_inta; |
| 1419 | |
| 1420 | /* handle all the justifications for the interrupt */ |
| 1421 | if (inta & CX2_INTA_BIT_RX_TRANSFER) { |
| 1422 | ipw_rx(priv); |
| 1423 | handled |= CX2_INTA_BIT_RX_TRANSFER; |
| 1424 | } |
| 1425 | |
| 1426 | if (inta & CX2_INTA_BIT_TX_CMD_QUEUE) { |
| 1427 | IPW_DEBUG_HC("Command completed.\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1428 | rc = ipw_queue_tx_reclaim(priv, &priv->txq_cmd, -1); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1429 | priv->status &= ~STATUS_HCMD_ACTIVE; |
| 1430 | wake_up_interruptible(&priv->wait_command_queue); |
| 1431 | handled |= CX2_INTA_BIT_TX_CMD_QUEUE; |
| 1432 | } |
| 1433 | |
| 1434 | if (inta & CX2_INTA_BIT_TX_QUEUE_1) { |
| 1435 | IPW_DEBUG_TX("TX_QUEUE_1\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1436 | rc = ipw_queue_tx_reclaim(priv, &priv->txq[0], 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1437 | handled |= CX2_INTA_BIT_TX_QUEUE_1; |
| 1438 | } |
| 1439 | |
| 1440 | if (inta & CX2_INTA_BIT_TX_QUEUE_2) { |
| 1441 | IPW_DEBUG_TX("TX_QUEUE_2\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1442 | rc = ipw_queue_tx_reclaim(priv, &priv->txq[1], 1); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1443 | handled |= CX2_INTA_BIT_TX_QUEUE_2; |
| 1444 | } |
| 1445 | |
| 1446 | if (inta & CX2_INTA_BIT_TX_QUEUE_3) { |
| 1447 | IPW_DEBUG_TX("TX_QUEUE_3\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1448 | rc = ipw_queue_tx_reclaim(priv, &priv->txq[2], 2); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1449 | handled |= CX2_INTA_BIT_TX_QUEUE_3; |
| 1450 | } |
| 1451 | |
| 1452 | if (inta & CX2_INTA_BIT_TX_QUEUE_4) { |
| 1453 | IPW_DEBUG_TX("TX_QUEUE_4\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1454 | rc = ipw_queue_tx_reclaim(priv, &priv->txq[3], 3); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1455 | handled |= CX2_INTA_BIT_TX_QUEUE_4; |
| 1456 | } |
| 1457 | |
| 1458 | if (inta & CX2_INTA_BIT_STATUS_CHANGE) { |
| 1459 | IPW_WARNING("STATUS_CHANGE\n"); |
| 1460 | handled |= CX2_INTA_BIT_STATUS_CHANGE; |
| 1461 | } |
| 1462 | |
| 1463 | if (inta & CX2_INTA_BIT_BEACON_PERIOD_EXPIRED) { |
| 1464 | IPW_WARNING("TX_PERIOD_EXPIRED\n"); |
| 1465 | handled |= CX2_INTA_BIT_BEACON_PERIOD_EXPIRED; |
| 1466 | } |
| 1467 | |
| 1468 | if (inta & CX2_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE) { |
| 1469 | IPW_WARNING("HOST_CMD_DONE\n"); |
| 1470 | handled |= CX2_INTA_BIT_SLAVE_MODE_HOST_CMD_DONE; |
| 1471 | } |
| 1472 | |
| 1473 | if (inta & CX2_INTA_BIT_FW_INITIALIZATION_DONE) { |
| 1474 | IPW_WARNING("FW_INITIALIZATION_DONE\n"); |
| 1475 | handled |= CX2_INTA_BIT_FW_INITIALIZATION_DONE; |
| 1476 | } |
| 1477 | |
| 1478 | if (inta & CX2_INTA_BIT_FW_CARD_DISABLE_PHY_OFF_DONE) { |
| 1479 | IPW_WARNING("PHY_OFF_DONE\n"); |
| 1480 | handled |= CX2_INTA_BIT_FW_CARD_DISABLE_PHY_OFF_DONE; |
| 1481 | } |
| 1482 | |
| 1483 | if (inta & CX2_INTA_BIT_RF_KILL_DONE) { |
| 1484 | IPW_DEBUG_RF_KILL("RF_KILL_DONE\n"); |
| 1485 | priv->status |= STATUS_RF_KILL_HW; |
| 1486 | wake_up_interruptible(&priv->wait_command_queue); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 1487 | priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1488 | cancel_delayed_work(&priv->request_scan); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1489 | schedule_work(&priv->link_down); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1490 | queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ); |
| 1491 | handled |= CX2_INTA_BIT_RF_KILL_DONE; |
| 1492 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1493 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1494 | if (inta & CX2_INTA_BIT_FATAL_ERROR) { |
| 1495 | IPW_ERROR("Firmware error detected. Restarting.\n"); |
| 1496 | #ifdef CONFIG_IPW_DEBUG |
| 1497 | if (ipw_debug_level & IPW_DL_FW_ERRORS) { |
| 1498 | ipw_dump_nic_error_log(priv); |
| 1499 | ipw_dump_nic_event_log(priv); |
| 1500 | } |
| 1501 | #endif |
| 1502 | queue_work(priv->workqueue, &priv->adapter_restart); |
| 1503 | handled |= CX2_INTA_BIT_FATAL_ERROR; |
| 1504 | } |
| 1505 | |
| 1506 | if (inta & CX2_INTA_BIT_PARITY_ERROR) { |
| 1507 | IPW_ERROR("Parity error\n"); |
| 1508 | handled |= CX2_INTA_BIT_PARITY_ERROR; |
| 1509 | } |
| 1510 | |
| 1511 | if (handled != inta) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1512 | IPW_ERROR("Unhandled INTA bits 0x%08x\n", inta & ~handled); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1513 | } |
| 1514 | |
| 1515 | /* enable all interrupts */ |
| 1516 | ipw_enable_interrupts(priv); |
| 1517 | |
| 1518 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1519 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1520 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1521 | #ifdef CONFIG_IPW_DEBUG |
| 1522 | #define IPW_CMD(x) case IPW_CMD_ ## x : return #x |
| 1523 | static char *get_cmd_string(u8 cmd) |
| 1524 | { |
| 1525 | switch (cmd) { |
| 1526 | IPW_CMD(HOST_COMPLETE); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1527 | IPW_CMD(POWER_DOWN); |
| 1528 | IPW_CMD(SYSTEM_CONFIG); |
| 1529 | IPW_CMD(MULTICAST_ADDRESS); |
| 1530 | IPW_CMD(SSID); |
| 1531 | IPW_CMD(ADAPTER_ADDRESS); |
| 1532 | IPW_CMD(PORT_TYPE); |
| 1533 | IPW_CMD(RTS_THRESHOLD); |
| 1534 | IPW_CMD(FRAG_THRESHOLD); |
| 1535 | IPW_CMD(POWER_MODE); |
| 1536 | IPW_CMD(WEP_KEY); |
| 1537 | IPW_CMD(TGI_TX_KEY); |
| 1538 | IPW_CMD(SCAN_REQUEST); |
| 1539 | IPW_CMD(SCAN_REQUEST_EXT); |
| 1540 | IPW_CMD(ASSOCIATE); |
| 1541 | IPW_CMD(SUPPORTED_RATES); |
| 1542 | IPW_CMD(SCAN_ABORT); |
| 1543 | IPW_CMD(TX_FLUSH); |
| 1544 | IPW_CMD(QOS_PARAMETERS); |
| 1545 | IPW_CMD(DINO_CONFIG); |
| 1546 | IPW_CMD(RSN_CAPABILITIES); |
| 1547 | IPW_CMD(RX_KEY); |
| 1548 | IPW_CMD(CARD_DISABLE); |
| 1549 | IPW_CMD(SEED_NUMBER); |
| 1550 | IPW_CMD(TX_POWER); |
| 1551 | IPW_CMD(COUNTRY_INFO); |
| 1552 | IPW_CMD(AIRONET_INFO); |
| 1553 | IPW_CMD(AP_TX_POWER); |
| 1554 | IPW_CMD(CCKM_INFO); |
| 1555 | IPW_CMD(CCX_VER_INFO); |
| 1556 | IPW_CMD(SET_CALIBRATION); |
| 1557 | IPW_CMD(SENSITIVITY_CALIB); |
| 1558 | IPW_CMD(RETRY_LIMIT); |
| 1559 | IPW_CMD(IPW_PRE_POWER_DOWN); |
| 1560 | IPW_CMD(VAP_BEACON_TEMPLATE); |
| 1561 | IPW_CMD(VAP_DTIM_PERIOD); |
| 1562 | IPW_CMD(EXT_SUPPORTED_RATES); |
| 1563 | IPW_CMD(VAP_LOCAL_TX_PWR_CONSTRAINT); |
| 1564 | IPW_CMD(VAP_QUIET_INTERVALS); |
| 1565 | IPW_CMD(VAP_CHANNEL_SWITCH); |
| 1566 | IPW_CMD(VAP_MANDATORY_CHANNELS); |
| 1567 | IPW_CMD(VAP_CELL_PWR_LIMIT); |
| 1568 | IPW_CMD(VAP_CF_PARAM_SET); |
| 1569 | IPW_CMD(VAP_SET_BEACONING_STATE); |
| 1570 | IPW_CMD(MEASUREMENT); |
| 1571 | IPW_CMD(POWER_CAPABILITY); |
| 1572 | IPW_CMD(SUPPORTED_CHANNELS); |
| 1573 | IPW_CMD(TPC_REPORT); |
| 1574 | IPW_CMD(WME_INFO); |
| 1575 | IPW_CMD(PRODUCTION_COMMAND); |
| 1576 | default: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1577 | return "UNKNOWN"; |
| 1578 | } |
| 1579 | } |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 1580 | #endif |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1581 | |
| 1582 | #define HOST_COMPLETE_TIMEOUT HZ |
| 1583 | static int ipw_send_cmd(struct ipw_priv *priv, struct host_cmd *cmd) |
| 1584 | { |
| 1585 | int rc = 0; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1586 | unsigned long flags; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1587 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1588 | spin_lock_irqsave(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1589 | if (priv->status & STATUS_HCMD_ACTIVE) { |
| 1590 | IPW_ERROR("Already sending a command\n"); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1591 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1592 | return -1; |
| 1593 | } |
| 1594 | |
| 1595 | priv->status |= STATUS_HCMD_ACTIVE; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1596 | |
| 1597 | IPW_DEBUG_HC("Sending %s command (#%d), %d bytes\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1598 | get_cmd_string(cmd->cmd), cmd->cmd, cmd->len); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1599 | printk_buf(IPW_DL_HOST_COMMAND, (u8 *) cmd->param, cmd->len); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1600 | |
| 1601 | rc = ipw_queue_tx_hcmd(priv, cmd->cmd, &cmd->param, cmd->len, 0); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1602 | if (rc) { |
| 1603 | priv->status &= ~STATUS_HCMD_ACTIVE; |
| 1604 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1605 | return rc; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1606 | } |
| 1607 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1608 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1609 | rc = wait_event_interruptible_timeout(priv->wait_command_queue, |
| 1610 | !(priv-> |
| 1611 | status & STATUS_HCMD_ACTIVE), |
| 1612 | HOST_COMPLETE_TIMEOUT); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1613 | if (rc == 0) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1614 | spin_lock_irqsave(&priv->lock, flags); |
| 1615 | if (priv->status & STATUS_HCMD_ACTIVE) { |
| 1616 | IPW_DEBUG_INFO("Command completion failed out after " |
| 1617 | "%dms.\n", |
| 1618 | 1000 * (HOST_COMPLETE_TIMEOUT / HZ)); |
| 1619 | priv->status &= ~STATUS_HCMD_ACTIVE; |
| 1620 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1621 | return -EIO; |
| 1622 | } |
| 1623 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1624 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1625 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1626 | if (priv->status & STATUS_RF_KILL_MASK) { |
| 1627 | IPW_DEBUG_INFO("Command aborted due to RF Kill Switch\n"); |
| 1628 | return -EIO; |
| 1629 | } |
| 1630 | |
| 1631 | return 0; |
| 1632 | } |
| 1633 | |
| 1634 | static int ipw_send_host_complete(struct ipw_priv *priv) |
| 1635 | { |
| 1636 | struct host_cmd cmd = { |
| 1637 | .cmd = IPW_CMD_HOST_COMPLETE, |
| 1638 | .len = 0 |
| 1639 | }; |
| 1640 | |
| 1641 | if (!priv) { |
| 1642 | IPW_ERROR("Invalid args\n"); |
| 1643 | return -1; |
| 1644 | } |
| 1645 | |
| 1646 | if (ipw_send_cmd(priv, &cmd)) { |
| 1647 | IPW_ERROR("failed to send HOST_COMPLETE command\n"); |
| 1648 | return -1; |
| 1649 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1650 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1651 | return 0; |
| 1652 | } |
| 1653 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1654 | static int ipw_send_system_config(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1655 | struct ipw_sys_config *config) |
| 1656 | { |
| 1657 | struct host_cmd cmd = { |
| 1658 | .cmd = IPW_CMD_SYSTEM_CONFIG, |
| 1659 | .len = sizeof(*config) |
| 1660 | }; |
| 1661 | |
| 1662 | if (!priv || !config) { |
| 1663 | IPW_ERROR("Invalid args\n"); |
| 1664 | return -1; |
| 1665 | } |
| 1666 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1667 | memcpy(&cmd.param, config, sizeof(*config)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1668 | if (ipw_send_cmd(priv, &cmd)) { |
| 1669 | IPW_ERROR("failed to send SYSTEM_CONFIG command\n"); |
| 1670 | return -1; |
| 1671 | } |
| 1672 | |
| 1673 | return 0; |
| 1674 | } |
| 1675 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1676 | static int ipw_send_ssid(struct ipw_priv *priv, u8 * ssid, int len) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1677 | { |
| 1678 | struct host_cmd cmd = { |
| 1679 | .cmd = IPW_CMD_SSID, |
| 1680 | .len = min(len, IW_ESSID_MAX_SIZE) |
| 1681 | }; |
| 1682 | |
| 1683 | if (!priv || !ssid) { |
| 1684 | IPW_ERROR("Invalid args\n"); |
| 1685 | return -1; |
| 1686 | } |
| 1687 | |
| 1688 | memcpy(&cmd.param, ssid, cmd.len); |
| 1689 | if (ipw_send_cmd(priv, &cmd)) { |
| 1690 | IPW_ERROR("failed to send SSID command\n"); |
| 1691 | return -1; |
| 1692 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1693 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1694 | return 0; |
| 1695 | } |
| 1696 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1697 | static int ipw_send_adapter_address(struct ipw_priv *priv, u8 * mac) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1698 | { |
| 1699 | struct host_cmd cmd = { |
| 1700 | .cmd = IPW_CMD_ADAPTER_ADDRESS, |
| 1701 | .len = ETH_ALEN |
| 1702 | }; |
| 1703 | |
| 1704 | if (!priv || !mac) { |
| 1705 | IPW_ERROR("Invalid args\n"); |
| 1706 | return -1; |
| 1707 | } |
| 1708 | |
| 1709 | IPW_DEBUG_INFO("%s: Setting MAC to " MAC_FMT "\n", |
| 1710 | priv->net_dev->name, MAC_ARG(mac)); |
| 1711 | |
| 1712 | memcpy(&cmd.param, mac, ETH_ALEN); |
| 1713 | |
| 1714 | if (ipw_send_cmd(priv, &cmd)) { |
| 1715 | IPW_ERROR("failed to send ADAPTER_ADDRESS command\n"); |
| 1716 | return -1; |
| 1717 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1718 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1719 | return 0; |
| 1720 | } |
| 1721 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1722 | /* |
| 1723 | * NOTE: This must be executed from our workqueue as it results in udelay |
| 1724 | * being called which may corrupt the keyboard if executed on default |
| 1725 | * workqueue |
| 1726 | */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1727 | static void ipw_adapter_restart(void *adapter) |
| 1728 | { |
| 1729 | struct ipw_priv *priv = adapter; |
| 1730 | |
| 1731 | if (priv->status & STATUS_RF_KILL_MASK) |
| 1732 | return; |
| 1733 | |
| 1734 | ipw_down(priv); |
| 1735 | if (ipw_up(priv)) { |
| 1736 | IPW_ERROR("Failed to up device\n"); |
| 1737 | return; |
| 1738 | } |
| 1739 | } |
| 1740 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 1741 | static void ipw_bg_adapter_restart(void *data) |
| 1742 | { |
| 1743 | struct ipw_priv *priv = data; |
| 1744 | down(&priv->sem); |
| 1745 | ipw_adapter_restart(data); |
| 1746 | up(&priv->sem); |
| 1747 | } |
| 1748 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1749 | #define IPW_SCAN_CHECK_WATCHDOG (5 * HZ) |
| 1750 | |
| 1751 | static void ipw_scan_check(void *data) |
| 1752 | { |
| 1753 | struct ipw_priv *priv = data; |
| 1754 | if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) { |
| 1755 | IPW_DEBUG_SCAN("Scan completion watchdog resetting " |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1756 | "adapter (%dms).\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1757 | IPW_SCAN_CHECK_WATCHDOG / 100); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1758 | queue_work(priv->workqueue, &priv->adapter_restart); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1759 | } |
| 1760 | } |
| 1761 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 1762 | static void ipw_bg_scan_check(void *data) |
| 1763 | { |
| 1764 | struct ipw_priv *priv = data; |
| 1765 | down(&priv->sem); |
| 1766 | ipw_scan_check(data); |
| 1767 | up(&priv->sem); |
| 1768 | } |
| 1769 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1770 | static int ipw_send_scan_request_ext(struct ipw_priv *priv, |
| 1771 | struct ipw_scan_request_ext *request) |
| 1772 | { |
| 1773 | struct host_cmd cmd = { |
| 1774 | .cmd = IPW_CMD_SCAN_REQUEST_EXT, |
| 1775 | .len = sizeof(*request) |
| 1776 | }; |
| 1777 | |
| 1778 | if (!priv || !request) { |
| 1779 | IPW_ERROR("Invalid args\n"); |
| 1780 | return -1; |
| 1781 | } |
| 1782 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1783 | memcpy(&cmd.param, request, sizeof(*request)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1784 | if (ipw_send_cmd(priv, &cmd)) { |
| 1785 | IPW_ERROR("failed to send SCAN_REQUEST_EXT command\n"); |
| 1786 | return -1; |
| 1787 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1788 | |
| 1789 | queue_delayed_work(priv->workqueue, &priv->scan_check, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1790 | IPW_SCAN_CHECK_WATCHDOG); |
| 1791 | return 0; |
| 1792 | } |
| 1793 | |
| 1794 | static int ipw_send_scan_abort(struct ipw_priv *priv) |
| 1795 | { |
| 1796 | struct host_cmd cmd = { |
| 1797 | .cmd = IPW_CMD_SCAN_ABORT, |
| 1798 | .len = 0 |
| 1799 | }; |
| 1800 | |
| 1801 | if (!priv) { |
| 1802 | IPW_ERROR("Invalid args\n"); |
| 1803 | return -1; |
| 1804 | } |
| 1805 | |
| 1806 | if (ipw_send_cmd(priv, &cmd)) { |
| 1807 | IPW_ERROR("failed to send SCAN_ABORT command\n"); |
| 1808 | return -1; |
| 1809 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1810 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1811 | return 0; |
| 1812 | } |
| 1813 | |
| 1814 | static int ipw_set_sensitivity(struct ipw_priv *priv, u16 sens) |
| 1815 | { |
| 1816 | struct host_cmd cmd = { |
| 1817 | .cmd = IPW_CMD_SENSITIVITY_CALIB, |
| 1818 | .len = sizeof(struct ipw_sensitivity_calib) |
| 1819 | }; |
| 1820 | struct ipw_sensitivity_calib *calib = (struct ipw_sensitivity_calib *) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1821 | &cmd.param; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1822 | calib->beacon_rssi_raw = sens; |
| 1823 | if (ipw_send_cmd(priv, &cmd)) { |
| 1824 | IPW_ERROR("failed to send SENSITIVITY CALIB command\n"); |
| 1825 | return -1; |
| 1826 | } |
| 1827 | |
| 1828 | return 0; |
| 1829 | } |
| 1830 | |
| 1831 | static int ipw_send_associate(struct ipw_priv *priv, |
| 1832 | struct ipw_associate *associate) |
| 1833 | { |
| 1834 | struct host_cmd cmd = { |
| 1835 | .cmd = IPW_CMD_ASSOCIATE, |
| 1836 | .len = sizeof(*associate) |
| 1837 | }; |
| 1838 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1839 | struct ipw_associate tmp_associate; |
| 1840 | memcpy(&tmp_associate, associate, sizeof(*associate)); |
| 1841 | tmp_associate.policy_support = |
| 1842 | cpu_to_le16(tmp_associate.policy_support); |
| 1843 | tmp_associate.assoc_tsf_msw = cpu_to_le32(tmp_associate.assoc_tsf_msw); |
| 1844 | tmp_associate.assoc_tsf_lsw = cpu_to_le32(tmp_associate.assoc_tsf_lsw); |
| 1845 | tmp_associate.capability = cpu_to_le16(tmp_associate.capability); |
| 1846 | tmp_associate.listen_interval = |
| 1847 | cpu_to_le16(tmp_associate.listen_interval); |
| 1848 | tmp_associate.beacon_interval = |
| 1849 | cpu_to_le16(tmp_associate.beacon_interval); |
| 1850 | tmp_associate.atim_window = cpu_to_le16(tmp_associate.atim_window); |
| 1851 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1852 | if (!priv || !associate) { |
| 1853 | IPW_ERROR("Invalid args\n"); |
| 1854 | return -1; |
| 1855 | } |
| 1856 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 1857 | memcpy(&cmd.param, &tmp_associate, sizeof(*associate)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1858 | if (ipw_send_cmd(priv, &cmd)) { |
| 1859 | IPW_ERROR("failed to send ASSOCIATE command\n"); |
| 1860 | return -1; |
| 1861 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1862 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1863 | return 0; |
| 1864 | } |
| 1865 | |
| 1866 | static int ipw_send_supported_rates(struct ipw_priv *priv, |
| 1867 | struct ipw_supported_rates *rates) |
| 1868 | { |
| 1869 | struct host_cmd cmd = { |
| 1870 | .cmd = IPW_CMD_SUPPORTED_RATES, |
| 1871 | .len = sizeof(*rates) |
| 1872 | }; |
| 1873 | |
| 1874 | if (!priv || !rates) { |
| 1875 | IPW_ERROR("Invalid args\n"); |
| 1876 | return -1; |
| 1877 | } |
| 1878 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1879 | memcpy(&cmd.param, rates, sizeof(*rates)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1880 | if (ipw_send_cmd(priv, &cmd)) { |
| 1881 | IPW_ERROR("failed to send SUPPORTED_RATES command\n"); |
| 1882 | return -1; |
| 1883 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1884 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1885 | return 0; |
| 1886 | } |
| 1887 | |
| 1888 | static int ipw_set_random_seed(struct ipw_priv *priv) |
| 1889 | { |
| 1890 | struct host_cmd cmd = { |
| 1891 | .cmd = IPW_CMD_SEED_NUMBER, |
| 1892 | .len = sizeof(u32) |
| 1893 | }; |
| 1894 | |
| 1895 | if (!priv) { |
| 1896 | IPW_ERROR("Invalid args\n"); |
| 1897 | return -1; |
| 1898 | } |
| 1899 | |
| 1900 | get_random_bytes(&cmd.param, sizeof(u32)); |
| 1901 | |
| 1902 | if (ipw_send_cmd(priv, &cmd)) { |
| 1903 | IPW_ERROR("failed to send SEED_NUMBER command\n"); |
| 1904 | return -1; |
| 1905 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1906 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1907 | return 0; |
| 1908 | } |
| 1909 | |
| 1910 | #if 0 |
| 1911 | static int ipw_send_card_disable(struct ipw_priv *priv, u32 phy_off) |
| 1912 | { |
| 1913 | struct host_cmd cmd = { |
| 1914 | .cmd = IPW_CMD_CARD_DISABLE, |
| 1915 | .len = sizeof(u32) |
| 1916 | }; |
| 1917 | |
| 1918 | if (!priv) { |
| 1919 | IPW_ERROR("Invalid args\n"); |
| 1920 | return -1; |
| 1921 | } |
| 1922 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1923 | *((u32 *) & cmd.param) = phy_off; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1924 | |
| 1925 | if (ipw_send_cmd(priv, &cmd)) { |
| 1926 | IPW_ERROR("failed to send CARD_DISABLE command\n"); |
| 1927 | return -1; |
| 1928 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1929 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1930 | return 0; |
| 1931 | } |
| 1932 | #endif |
| 1933 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1934 | static int ipw_send_tx_power(struct ipw_priv *priv, struct ipw_tx_power *power) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1935 | { |
| 1936 | struct host_cmd cmd = { |
| 1937 | .cmd = IPW_CMD_TX_POWER, |
| 1938 | .len = sizeof(*power) |
| 1939 | }; |
| 1940 | |
| 1941 | if (!priv || !power) { |
| 1942 | IPW_ERROR("Invalid args\n"); |
| 1943 | return -1; |
| 1944 | } |
| 1945 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 1946 | memcpy(&cmd.param, power, sizeof(*power)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1947 | if (ipw_send_cmd(priv, &cmd)) { |
| 1948 | IPW_ERROR("failed to send TX_POWER command\n"); |
| 1949 | return -1; |
| 1950 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 1951 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 1952 | return 0; |
| 1953 | } |
| 1954 | |
| 1955 | static int ipw_send_rts_threshold(struct ipw_priv *priv, u16 rts) |
| 1956 | { |
| 1957 | struct ipw_rts_threshold rts_threshold = { |
| 1958 | .rts_threshold = rts, |
| 1959 | }; |
| 1960 | struct host_cmd cmd = { |
| 1961 | .cmd = IPW_CMD_RTS_THRESHOLD, |
| 1962 | .len = sizeof(rts_threshold) |
| 1963 | }; |
| 1964 | |
| 1965 | if (!priv) { |
| 1966 | IPW_ERROR("Invalid args\n"); |
| 1967 | return -1; |
| 1968 | } |
| 1969 | |
| 1970 | memcpy(&cmd.param, &rts_threshold, sizeof(rts_threshold)); |
| 1971 | if (ipw_send_cmd(priv, &cmd)) { |
| 1972 | IPW_ERROR("failed to send RTS_THRESHOLD command\n"); |
| 1973 | return -1; |
| 1974 | } |
| 1975 | |
| 1976 | return 0; |
| 1977 | } |
| 1978 | |
| 1979 | static int ipw_send_frag_threshold(struct ipw_priv *priv, u16 frag) |
| 1980 | { |
| 1981 | struct ipw_frag_threshold frag_threshold = { |
| 1982 | .frag_threshold = frag, |
| 1983 | }; |
| 1984 | struct host_cmd cmd = { |
| 1985 | .cmd = IPW_CMD_FRAG_THRESHOLD, |
| 1986 | .len = sizeof(frag_threshold) |
| 1987 | }; |
| 1988 | |
| 1989 | if (!priv) { |
| 1990 | IPW_ERROR("Invalid args\n"); |
| 1991 | return -1; |
| 1992 | } |
| 1993 | |
| 1994 | memcpy(&cmd.param, &frag_threshold, sizeof(frag_threshold)); |
| 1995 | if (ipw_send_cmd(priv, &cmd)) { |
| 1996 | IPW_ERROR("failed to send FRAG_THRESHOLD command\n"); |
| 1997 | return -1; |
| 1998 | } |
| 1999 | |
| 2000 | return 0; |
| 2001 | } |
| 2002 | |
| 2003 | static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode) |
| 2004 | { |
| 2005 | struct host_cmd cmd = { |
| 2006 | .cmd = IPW_CMD_POWER_MODE, |
| 2007 | .len = sizeof(u32) |
| 2008 | }; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2009 | u32 *param = (u32 *) (&cmd.param); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2010 | |
| 2011 | if (!priv) { |
| 2012 | IPW_ERROR("Invalid args\n"); |
| 2013 | return -1; |
| 2014 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2015 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2016 | /* If on battery, set to 3, if AC set to CAM, else user |
| 2017 | * level */ |
| 2018 | switch (mode) { |
| 2019 | case IPW_POWER_BATTERY: |
| 2020 | *param = IPW_POWER_INDEX_3; |
| 2021 | break; |
| 2022 | case IPW_POWER_AC: |
| 2023 | *param = IPW_POWER_MODE_CAM; |
| 2024 | break; |
| 2025 | default: |
| 2026 | *param = mode; |
| 2027 | break; |
| 2028 | } |
| 2029 | |
| 2030 | if (ipw_send_cmd(priv, &cmd)) { |
| 2031 | IPW_ERROR("failed to send POWER_MODE command\n"); |
| 2032 | return -1; |
| 2033 | } |
| 2034 | |
| 2035 | return 0; |
| 2036 | } |
| 2037 | |
| 2038 | /* |
| 2039 | * The IPW device contains a Microwire compatible EEPROM that stores |
| 2040 | * various data like the MAC address. Usually the firmware has exclusive |
| 2041 | * access to the eeprom, but during device initialization (before the |
| 2042 | * device driver has sent the HostComplete command to the firmware) the |
| 2043 | * device driver has read access to the EEPROM by way of indirect addressing |
| 2044 | * through a couple of memory mapped registers. |
| 2045 | * |
| 2046 | * The following is a simplified implementation for pulling data out of the |
| 2047 | * the eeprom, along with some helper functions to find information in |
| 2048 | * the per device private data's copy of the eeprom. |
| 2049 | * |
| 2050 | * NOTE: To better understand how these functions work (i.e what is a chip |
| 2051 | * select and why do have to keep driving the eeprom clock?), read |
| 2052 | * just about any data sheet for a Microwire compatible EEPROM. |
| 2053 | */ |
| 2054 | |
| 2055 | /* write a 32 bit value into the indirect accessor register */ |
| 2056 | static inline void eeprom_write_reg(struct ipw_priv *p, u32 data) |
| 2057 | { |
| 2058 | ipw_write_reg32(p, FW_MEM_REG_EEPROM_ACCESS, data); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2059 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2060 | /* the eeprom requires some time to complete the operation */ |
| 2061 | udelay(p->eeprom_delay); |
| 2062 | |
| 2063 | return; |
| 2064 | } |
| 2065 | |
| 2066 | /* perform a chip select operation */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2067 | static inline void eeprom_cs(struct ipw_priv *priv) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2068 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2069 | eeprom_write_reg(priv, 0); |
| 2070 | eeprom_write_reg(priv, EEPROM_BIT_CS); |
| 2071 | eeprom_write_reg(priv, EEPROM_BIT_CS | EEPROM_BIT_SK); |
| 2072 | eeprom_write_reg(priv, EEPROM_BIT_CS); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2073 | } |
| 2074 | |
| 2075 | /* perform a chip select operation */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2076 | static inline void eeprom_disable_cs(struct ipw_priv *priv) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2077 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2078 | eeprom_write_reg(priv, EEPROM_BIT_CS); |
| 2079 | eeprom_write_reg(priv, 0); |
| 2080 | eeprom_write_reg(priv, EEPROM_BIT_SK); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2081 | } |
| 2082 | |
| 2083 | /* push a single bit down to the eeprom */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2084 | static inline void eeprom_write_bit(struct ipw_priv *p, u8 bit) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2085 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2086 | int d = (bit ? EEPROM_BIT_DI : 0); |
| 2087 | eeprom_write_reg(p, EEPROM_BIT_CS | d); |
| 2088 | eeprom_write_reg(p, EEPROM_BIT_CS | d | EEPROM_BIT_SK); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2089 | } |
| 2090 | |
| 2091 | /* push an opcode followed by an address down to the eeprom */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2092 | static void eeprom_op(struct ipw_priv *priv, u8 op, u8 addr) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2093 | { |
| 2094 | int i; |
| 2095 | |
| 2096 | eeprom_cs(priv); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2097 | eeprom_write_bit(priv, 1); |
| 2098 | eeprom_write_bit(priv, op & 2); |
| 2099 | eeprom_write_bit(priv, op & 1); |
| 2100 | for (i = 7; i >= 0; i--) { |
| 2101 | eeprom_write_bit(priv, addr & (1 << i)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2102 | } |
| 2103 | } |
| 2104 | |
| 2105 | /* pull 16 bits off the eeprom, one bit at a time */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2106 | static u16 eeprom_read_u16(struct ipw_priv *priv, u8 addr) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2107 | { |
| 2108 | int i; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2109 | u16 r = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2110 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2111 | /* Send READ Opcode */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2112 | eeprom_op(priv, EEPROM_CMD_READ, addr); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2113 | |
| 2114 | /* Send dummy bit */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2115 | eeprom_write_reg(priv, EEPROM_BIT_CS); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2116 | |
| 2117 | /* Read the byte off the eeprom one bit at a time */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2118 | for (i = 0; i < 16; i++) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2119 | u32 data = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2120 | eeprom_write_reg(priv, EEPROM_BIT_CS | EEPROM_BIT_SK); |
| 2121 | eeprom_write_reg(priv, EEPROM_BIT_CS); |
| 2122 | data = ipw_read_reg32(priv, FW_MEM_REG_EEPROM_ACCESS); |
| 2123 | r = (r << 1) | ((data & EEPROM_BIT_DO) ? 1 : 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2124 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2125 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2126 | /* Send another dummy bit */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2127 | eeprom_write_reg(priv, 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2128 | eeprom_disable_cs(priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2129 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2130 | return r; |
| 2131 | } |
| 2132 | |
| 2133 | /* helper function for pulling the mac address out of the private */ |
| 2134 | /* data's copy of the eeprom data */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2135 | static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2136 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2137 | u8 *ee = (u8 *) priv->eeprom; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2138 | memcpy(mac, &ee[EEPROM_MAC_ADDRESS], 6); |
| 2139 | } |
| 2140 | |
| 2141 | /* |
| 2142 | * Either the device driver (i.e. the host) or the firmware can |
| 2143 | * load eeprom data into the designated region in SRAM. If neither |
| 2144 | * happens then the FW will shutdown with a fatal error. |
| 2145 | * |
| 2146 | * In order to signal the FW to load the EEPROM, the EEPROM_LOAD_DISABLE |
| 2147 | * bit needs region of shared SRAM needs to be non-zero. |
| 2148 | */ |
| 2149 | static void ipw_eeprom_init_sram(struct ipw_priv *priv) |
| 2150 | { |
| 2151 | int i; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2152 | u16 *eeprom = (u16 *) priv->eeprom; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2153 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2154 | IPW_DEBUG_TRACE(">>\n"); |
| 2155 | |
| 2156 | /* read entire contents of eeprom into private buffer */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2157 | for (i = 0; i < 128; i++) |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2158 | eeprom[i] = le16_to_cpu(eeprom_read_u16(priv, (u8) i)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2159 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2160 | /* |
| 2161 | If the data looks correct, then copy it to our private |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2162 | copy. Otherwise let the firmware know to perform the operation |
| 2163 | on it's own |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2164 | */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2165 | if ((priv->eeprom + EEPROM_VERSION) != 0) { |
| 2166 | IPW_DEBUG_INFO("Writing EEPROM data into SRAM\n"); |
| 2167 | |
| 2168 | /* write the eeprom data to sram */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2169 | for (i = 0; i < CX2_EEPROM_IMAGE_SIZE; i++) |
| 2170 | ipw_write8(priv, IPW_EEPROM_DATA + i, priv->eeprom[i]); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2171 | |
| 2172 | /* Do not load eeprom data on fatal error or suspend */ |
| 2173 | ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 0); |
| 2174 | } else { |
| 2175 | IPW_DEBUG_INFO("Enabling FW initializationg of SRAM\n"); |
| 2176 | |
| 2177 | /* Load eeprom data on fatal error or suspend */ |
| 2178 | ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 1); |
| 2179 | } |
| 2180 | |
| 2181 | IPW_DEBUG_TRACE("<<\n"); |
| 2182 | } |
| 2183 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2184 | static inline void ipw_zero_memory(struct ipw_priv *priv, u32 start, u32 count) |
| 2185 | { |
| 2186 | count >>= 2; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2187 | if (!count) |
| 2188 | return; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2189 | _ipw_write32(priv, CX2_AUTOINC_ADDR, start); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2190 | while (count--) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2191 | _ipw_write32(priv, CX2_AUTOINC_DATA, 0); |
| 2192 | } |
| 2193 | |
| 2194 | static inline void ipw_fw_dma_reset_command_blocks(struct ipw_priv *priv) |
| 2195 | { |
| 2196 | ipw_zero_memory(priv, CX2_SHARED_SRAM_DMA_CONTROL, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2197 | CB_NUMBER_OF_ELEMENTS_SMALL * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2198 | sizeof(struct command_block)); |
| 2199 | } |
| 2200 | |
| 2201 | static int ipw_fw_dma_enable(struct ipw_priv *priv) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2202 | { /* start dma engine but no transfers yet */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2203 | |
| 2204 | IPW_DEBUG_FW(">> : \n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2205 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2206 | /* Start the dma */ |
| 2207 | ipw_fw_dma_reset_command_blocks(priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2208 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2209 | /* Write CB base address */ |
| 2210 | ipw_write_reg32(priv, CX2_DMA_I_CB_BASE, CX2_SHARED_SRAM_DMA_CONTROL); |
| 2211 | |
| 2212 | IPW_DEBUG_FW("<< : \n"); |
| 2213 | return 0; |
| 2214 | } |
| 2215 | |
| 2216 | static void ipw_fw_dma_abort(struct ipw_priv *priv) |
| 2217 | { |
| 2218 | u32 control = 0; |
| 2219 | |
| 2220 | IPW_DEBUG_FW(">> :\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2221 | |
| 2222 | //set the Stop and Abort bit |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2223 | control = DMA_CONTROL_SMALL_CB_CONST_VALUE | DMA_CB_STOP_AND_ABORT; |
| 2224 | ipw_write_reg32(priv, CX2_DMA_I_DMA_CONTROL, control); |
| 2225 | priv->sram_desc.last_cb_index = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2226 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2227 | IPW_DEBUG_FW("<< \n"); |
| 2228 | } |
| 2229 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2230 | static int ipw_fw_dma_write_command_block(struct ipw_priv *priv, int index, |
| 2231 | struct command_block *cb) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2232 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2233 | u32 address = |
| 2234 | CX2_SHARED_SRAM_DMA_CONTROL + |
| 2235 | (sizeof(struct command_block) * index); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2236 | IPW_DEBUG_FW(">> :\n"); |
| 2237 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2238 | ipw_write_indirect(priv, address, (u8 *) cb, |
| 2239 | (int)sizeof(struct command_block)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2240 | |
| 2241 | IPW_DEBUG_FW("<< :\n"); |
| 2242 | return 0; |
| 2243 | |
| 2244 | } |
| 2245 | |
| 2246 | static int ipw_fw_dma_kick(struct ipw_priv *priv) |
| 2247 | { |
| 2248 | u32 control = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2249 | u32 index = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2250 | |
| 2251 | IPW_DEBUG_FW(">> :\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2252 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2253 | for (index = 0; index < priv->sram_desc.last_cb_index; index++) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2254 | ipw_fw_dma_write_command_block(priv, index, |
| 2255 | &priv->sram_desc.cb_list[index]); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2256 | |
| 2257 | /* Enable the DMA in the CSR register */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2258 | ipw_clear_bit(priv, CX2_RESET_REG, |
| 2259 | CX2_RESET_REG_MASTER_DISABLED | |
| 2260 | CX2_RESET_REG_STOP_MASTER); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2261 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2262 | /* Set the Start bit. */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2263 | control = DMA_CONTROL_SMALL_CB_CONST_VALUE | DMA_CB_START; |
| 2264 | ipw_write_reg32(priv, CX2_DMA_I_DMA_CONTROL, control); |
| 2265 | |
| 2266 | IPW_DEBUG_FW("<< :\n"); |
| 2267 | return 0; |
| 2268 | } |
| 2269 | |
| 2270 | static void ipw_fw_dma_dump_command_block(struct ipw_priv *priv) |
| 2271 | { |
| 2272 | u32 address; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2273 | u32 register_value = 0; |
| 2274 | u32 cb_fields_address = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2275 | |
| 2276 | IPW_DEBUG_FW(">> :\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2277 | address = ipw_read_reg32(priv, CX2_DMA_I_CURRENT_CB); |
| 2278 | IPW_DEBUG_FW_INFO("Current CB is 0x%x \n", address); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2279 | |
| 2280 | /* Read the DMA Controlor register */ |
| 2281 | register_value = ipw_read_reg32(priv, CX2_DMA_I_DMA_CONTROL); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2282 | IPW_DEBUG_FW_INFO("CX2_DMA_I_DMA_CONTROL is 0x%x \n", register_value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2283 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2284 | /* Print the CB values */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2285 | cb_fields_address = address; |
| 2286 | register_value = ipw_read_reg32(priv, cb_fields_address); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2287 | IPW_DEBUG_FW_INFO("Current CB ControlField is 0x%x \n", register_value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2288 | |
| 2289 | cb_fields_address += sizeof(u32); |
| 2290 | register_value = ipw_read_reg32(priv, cb_fields_address); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2291 | IPW_DEBUG_FW_INFO("Current CB Source Field is 0x%x \n", register_value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2292 | |
| 2293 | cb_fields_address += sizeof(u32); |
| 2294 | register_value = ipw_read_reg32(priv, cb_fields_address); |
| 2295 | IPW_DEBUG_FW_INFO("Current CB Destination Field is 0x%x \n", |
| 2296 | register_value); |
| 2297 | |
| 2298 | cb_fields_address += sizeof(u32); |
| 2299 | register_value = ipw_read_reg32(priv, cb_fields_address); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2300 | IPW_DEBUG_FW_INFO("Current CB Status Field is 0x%x \n", register_value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2301 | |
| 2302 | IPW_DEBUG_FW(">> :\n"); |
| 2303 | } |
| 2304 | |
| 2305 | static int ipw_fw_dma_command_block_index(struct ipw_priv *priv) |
| 2306 | { |
| 2307 | u32 current_cb_address = 0; |
| 2308 | u32 current_cb_index = 0; |
| 2309 | |
| 2310 | IPW_DEBUG_FW("<< :\n"); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2311 | current_cb_address = ipw_read_reg32(priv, CX2_DMA_I_CURRENT_CB); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2312 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2313 | current_cb_index = (current_cb_address - CX2_SHARED_SRAM_DMA_CONTROL) / |
| 2314 | sizeof(struct command_block); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2315 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2316 | IPW_DEBUG_FW_INFO("Current CB index 0x%x address = 0x%X \n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2317 | current_cb_index, current_cb_address); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2318 | |
| 2319 | IPW_DEBUG_FW(">> :\n"); |
| 2320 | return current_cb_index; |
| 2321 | |
| 2322 | } |
| 2323 | |
| 2324 | static int ipw_fw_dma_add_command_block(struct ipw_priv *priv, |
| 2325 | u32 src_address, |
| 2326 | u32 dest_address, |
| 2327 | u32 length, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2328 | int interrupt_enabled, int is_last) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2329 | { |
| 2330 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2331 | u32 control = CB_VALID | CB_SRC_LE | CB_DEST_LE | CB_SRC_AUTOINC | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2332 | CB_SRC_IO_GATED | CB_DEST_AUTOINC | CB_SRC_SIZE_LONG | |
| 2333 | CB_DEST_SIZE_LONG; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2334 | struct command_block *cb; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2335 | u32 last_cb_element = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2336 | |
| 2337 | IPW_DEBUG_FW_INFO("src_address=0x%x dest_address=0x%x length=0x%x\n", |
| 2338 | src_address, dest_address, length); |
| 2339 | |
| 2340 | if (priv->sram_desc.last_cb_index >= CB_NUMBER_OF_ELEMENTS_SMALL) |
| 2341 | return -1; |
| 2342 | |
| 2343 | last_cb_element = priv->sram_desc.last_cb_index; |
| 2344 | cb = &priv->sram_desc.cb_list[last_cb_element]; |
| 2345 | priv->sram_desc.last_cb_index++; |
| 2346 | |
| 2347 | /* Calculate the new CB control word */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2348 | if (interrupt_enabled) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2349 | control |= CB_INT_ENABLED; |
| 2350 | |
| 2351 | if (is_last) |
| 2352 | control |= CB_LAST_VALID; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2353 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2354 | control |= length; |
| 2355 | |
| 2356 | /* Calculate the CB Element's checksum value */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2357 | cb->status = control ^ src_address ^ dest_address; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2358 | |
| 2359 | /* Copy the Source and Destination addresses */ |
| 2360 | cb->dest_addr = dest_address; |
| 2361 | cb->source_addr = src_address; |
| 2362 | |
| 2363 | /* Copy the Control Word last */ |
| 2364 | cb->control = control; |
| 2365 | |
| 2366 | return 0; |
| 2367 | } |
| 2368 | |
| 2369 | static int ipw_fw_dma_add_buffer(struct ipw_priv *priv, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2370 | u32 src_phys, u32 dest_address, u32 length) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2371 | { |
| 2372 | u32 bytes_left = length; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2373 | u32 src_offset = 0; |
| 2374 | u32 dest_offset = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2375 | int status = 0; |
| 2376 | IPW_DEBUG_FW(">> \n"); |
| 2377 | IPW_DEBUG_FW_INFO("src_phys=0x%x dest_address=0x%x length=0x%x\n", |
| 2378 | src_phys, dest_address, length); |
| 2379 | while (bytes_left > CB_MAX_LENGTH) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2380 | status = ipw_fw_dma_add_command_block(priv, |
| 2381 | src_phys + src_offset, |
| 2382 | dest_address + |
| 2383 | dest_offset, |
| 2384 | CB_MAX_LENGTH, 0, 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2385 | if (status) { |
| 2386 | IPW_DEBUG_FW_INFO(": Failed\n"); |
| 2387 | return -1; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2388 | } else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2389 | IPW_DEBUG_FW_INFO(": Added new cb\n"); |
| 2390 | |
| 2391 | src_offset += CB_MAX_LENGTH; |
| 2392 | dest_offset += CB_MAX_LENGTH; |
| 2393 | bytes_left -= CB_MAX_LENGTH; |
| 2394 | } |
| 2395 | |
| 2396 | /* add the buffer tail */ |
| 2397 | if (bytes_left > 0) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2398 | status = |
| 2399 | ipw_fw_dma_add_command_block(priv, src_phys + src_offset, |
| 2400 | dest_address + dest_offset, |
| 2401 | bytes_left, 0, 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2402 | if (status) { |
| 2403 | IPW_DEBUG_FW_INFO(": Failed on the buffer tail\n"); |
| 2404 | return -1; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2405 | } else |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2406 | IPW_DEBUG_FW_INFO |
| 2407 | (": Adding new cb - the buffer tail\n"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2408 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2409 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2410 | IPW_DEBUG_FW("<< \n"); |
| 2411 | return 0; |
| 2412 | } |
| 2413 | |
| 2414 | static int ipw_fw_dma_wait(struct ipw_priv *priv) |
| 2415 | { |
| 2416 | u32 current_index = 0; |
| 2417 | u32 watchdog = 0; |
| 2418 | |
| 2419 | IPW_DEBUG_FW(">> : \n"); |
| 2420 | |
| 2421 | current_index = ipw_fw_dma_command_block_index(priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2422 | IPW_DEBUG_FW_INFO("sram_desc.last_cb_index:0x%8X\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2423 | (int)priv->sram_desc.last_cb_index); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2424 | |
| 2425 | while (current_index < priv->sram_desc.last_cb_index) { |
| 2426 | udelay(50); |
| 2427 | current_index = ipw_fw_dma_command_block_index(priv); |
| 2428 | |
| 2429 | watchdog++; |
| 2430 | |
| 2431 | if (watchdog > 400) { |
| 2432 | IPW_DEBUG_FW_INFO("Timeout\n"); |
| 2433 | ipw_fw_dma_dump_command_block(priv); |
| 2434 | ipw_fw_dma_abort(priv); |
| 2435 | return -1; |
| 2436 | } |
| 2437 | } |
| 2438 | |
| 2439 | ipw_fw_dma_abort(priv); |
| 2440 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2441 | /*Disable the DMA in the CSR register */ |
| 2442 | ipw_set_bit(priv, CX2_RESET_REG, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2443 | CX2_RESET_REG_MASTER_DISABLED | CX2_RESET_REG_STOP_MASTER); |
| 2444 | |
| 2445 | IPW_DEBUG_FW("<< dmaWaitSync \n"); |
| 2446 | return 0; |
| 2447 | } |
| 2448 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2449 | static void ipw_remove_current_network(struct ipw_priv *priv) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2450 | { |
| 2451 | struct list_head *element, *safe; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2452 | struct ieee80211_network *network = NULL; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2453 | unsigned long flags; |
| 2454 | |
| 2455 | spin_lock_irqsave(&priv->ieee->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2456 | list_for_each_safe(element, safe, &priv->ieee->network_list) { |
| 2457 | network = list_entry(element, struct ieee80211_network, list); |
| 2458 | if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) { |
| 2459 | list_del(element); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2460 | list_add_tail(&network->list, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2461 | &priv->ieee->network_free_list); |
| 2462 | } |
| 2463 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2464 | spin_unlock_irqrestore(&priv->ieee->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2465 | } |
| 2466 | |
| 2467 | /** |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2468 | * Check that card is still alive. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2469 | * Reads debug register from domain0. |
| 2470 | * If card is present, pre-defined value should |
| 2471 | * be found there. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2472 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2473 | * @param priv |
| 2474 | * @return 1 if card is present, 0 otherwise |
| 2475 | */ |
| 2476 | static inline int ipw_alive(struct ipw_priv *priv) |
| 2477 | { |
| 2478 | return ipw_read32(priv, 0x90) == 0xd55555d5; |
| 2479 | } |
| 2480 | |
| 2481 | static inline int ipw_poll_bit(struct ipw_priv *priv, u32 addr, u32 mask, |
| 2482 | int timeout) |
| 2483 | { |
| 2484 | int i = 0; |
| 2485 | |
| 2486 | do { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2487 | if ((ipw_read32(priv, addr) & mask) == mask) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2488 | return i; |
| 2489 | mdelay(10); |
| 2490 | i += 10; |
| 2491 | } while (i < timeout); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2492 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2493 | return -ETIME; |
| 2494 | } |
| 2495 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2496 | /* These functions load the firmware and micro code for the operation of |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2497 | * the ipw hardware. It assumes the buffer has all the bits for the |
| 2498 | * image and the caller is handling the memory allocation and clean up. |
| 2499 | */ |
| 2500 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2501 | static int ipw_stop_master(struct ipw_priv *priv) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2502 | { |
| 2503 | int rc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2504 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2505 | IPW_DEBUG_TRACE(">> \n"); |
| 2506 | /* stop master. typical delay - 0 */ |
| 2507 | ipw_set_bit(priv, CX2_RESET_REG, CX2_RESET_REG_STOP_MASTER); |
| 2508 | |
| 2509 | rc = ipw_poll_bit(priv, CX2_RESET_REG, |
| 2510 | CX2_RESET_REG_MASTER_DISABLED, 100); |
| 2511 | if (rc < 0) { |
| 2512 | IPW_ERROR("stop master failed in 10ms\n"); |
| 2513 | return -1; |
| 2514 | } |
| 2515 | |
| 2516 | IPW_DEBUG_INFO("stop master %dms\n", rc); |
| 2517 | |
| 2518 | return rc; |
| 2519 | } |
| 2520 | |
| 2521 | static void ipw_arc_release(struct ipw_priv *priv) |
| 2522 | { |
| 2523 | IPW_DEBUG_TRACE(">> \n"); |
| 2524 | mdelay(5); |
| 2525 | |
| 2526 | ipw_clear_bit(priv, CX2_RESET_REG, CBD_RESET_REG_PRINCETON_RESET); |
| 2527 | |
| 2528 | /* no one knows timing, for safety add some delay */ |
| 2529 | mdelay(5); |
| 2530 | } |
| 2531 | |
| 2532 | struct fw_header { |
| 2533 | u32 version; |
| 2534 | u32 mode; |
| 2535 | }; |
| 2536 | |
| 2537 | struct fw_chunk { |
| 2538 | u32 address; |
| 2539 | u32 length; |
| 2540 | }; |
| 2541 | |
| 2542 | #define IPW_FW_MAJOR_VERSION 2 |
| 2543 | #define IPW_FW_MINOR_VERSION 2 |
| 2544 | |
| 2545 | #define IPW_FW_MINOR(x) ((x & 0xff) >> 8) |
| 2546 | #define IPW_FW_MAJOR(x) (x & 0xff) |
| 2547 | |
| 2548 | #define IPW_FW_VERSION ((IPW_FW_MINOR_VERSION << 8) | \ |
| 2549 | IPW_FW_MAJOR_VERSION) |
| 2550 | |
| 2551 | #define IPW_FW_PREFIX "ipw-" __stringify(IPW_FW_MAJOR_VERSION) \ |
| 2552 | "." __stringify(IPW_FW_MINOR_VERSION) "-" |
| 2553 | |
| 2554 | #if IPW_FW_MAJOR_VERSION >= 2 && IPW_FW_MINOR_VERSION > 0 |
| 2555 | #define IPW_FW_NAME(x) IPW_FW_PREFIX "" x ".fw" |
| 2556 | #else |
| 2557 | #define IPW_FW_NAME(x) "ipw2200_" x ".fw" |
| 2558 | #endif |
| 2559 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2560 | static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2561 | { |
| 2562 | int rc = 0, i, addr; |
| 2563 | u8 cr = 0; |
| 2564 | u16 *image; |
| 2565 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2566 | image = (u16 *) data; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2567 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2568 | IPW_DEBUG_TRACE(">> \n"); |
| 2569 | |
| 2570 | rc = ipw_stop_master(priv); |
| 2571 | |
| 2572 | if (rc < 0) |
| 2573 | return rc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2574 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2575 | // spin_lock_irqsave(&priv->lock, flags); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2576 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2577 | for (addr = CX2_SHARED_LOWER_BOUND; |
| 2578 | addr < CX2_REGISTER_DOMAIN1_END; addr += 4) { |
| 2579 | ipw_write32(priv, addr, 0); |
| 2580 | } |
| 2581 | |
| 2582 | /* no ucode (yet) */ |
| 2583 | memset(&priv->dino_alive, 0, sizeof(priv->dino_alive)); |
| 2584 | /* destroy DMA queues */ |
| 2585 | /* reset sequence */ |
| 2586 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2587 | ipw_write_reg32(priv, CX2_MEM_HALT_AND_RESET, CX2_BIT_HALT_RESET_ON); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2588 | ipw_arc_release(priv); |
| 2589 | ipw_write_reg32(priv, CX2_MEM_HALT_AND_RESET, CX2_BIT_HALT_RESET_OFF); |
| 2590 | mdelay(1); |
| 2591 | |
| 2592 | /* reset PHY */ |
| 2593 | ipw_write_reg32(priv, CX2_INTERNAL_CMD_EVENT, CX2_BASEBAND_POWER_DOWN); |
| 2594 | mdelay(1); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2595 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2596 | ipw_write_reg32(priv, CX2_INTERNAL_CMD_EVENT, 0); |
| 2597 | mdelay(1); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2598 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2599 | /* enable ucode store */ |
| 2600 | ipw_write_reg8(priv, DINO_CONTROL_REG, 0x0); |
| 2601 | ipw_write_reg8(priv, DINO_CONTROL_REG, DINO_ENABLE_CS); |
| 2602 | mdelay(1); |
| 2603 | |
| 2604 | /* write ucode */ |
| 2605 | /** |
| 2606 | * @bug |
| 2607 | * Do NOT set indirect address register once and then |
| 2608 | * store data to indirect data register in the loop. |
| 2609 | * It seems very reasonable, but in this case DINO do not |
| 2610 | * accept ucode. It is essential to set address each time. |
| 2611 | */ |
| 2612 | /* load new ipw uCode */ |
| 2613 | for (i = 0; i < len / 2; i++) |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2614 | ipw_write_reg16(priv, CX2_BASEBAND_CONTROL_STORE, |
| 2615 | cpu_to_le16(image[i])); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2616 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2617 | /* enable DINO */ |
| 2618 | ipw_write_reg8(priv, CX2_BASEBAND_CONTROL_STATUS, 0); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2619 | ipw_write_reg8(priv, CX2_BASEBAND_CONTROL_STATUS, DINO_ENABLE_SYSTEM); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2620 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2621 | /* this is where the igx / win driver deveates from the VAP driver. */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2622 | |
| 2623 | /* wait for alive response */ |
| 2624 | for (i = 0; i < 100; i++) { |
| 2625 | /* poll for incoming data */ |
| 2626 | cr = ipw_read_reg8(priv, CX2_BASEBAND_CONTROL_STATUS); |
| 2627 | if (cr & DINO_RXFIFO_DATA) |
| 2628 | break; |
| 2629 | mdelay(1); |
| 2630 | } |
| 2631 | |
| 2632 | if (cr & DINO_RXFIFO_DATA) { |
| 2633 | /* alive_command_responce size is NOT multiple of 4 */ |
| 2634 | u32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4]; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2635 | |
| 2636 | for (i = 0; i < ARRAY_SIZE(response_buffer); i++) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2637 | response_buffer[i] = |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2638 | le32_to_cpu(ipw_read_reg32(priv, |
| 2639 | CX2_BASEBAND_RX_FIFO_READ)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2640 | memcpy(&priv->dino_alive, response_buffer, |
| 2641 | sizeof(priv->dino_alive)); |
| 2642 | if (priv->dino_alive.alive_command == 1 |
| 2643 | && priv->dino_alive.ucode_valid == 1) { |
| 2644 | rc = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2645 | IPW_DEBUG_INFO |
| 2646 | ("Microcode OK, rev. %d (0x%x) dev. %d (0x%x) " |
| 2647 | "of %02d/%02d/%02d %02d:%02d\n", |
| 2648 | priv->dino_alive.software_revision, |
| 2649 | priv->dino_alive.software_revision, |
| 2650 | priv->dino_alive.device_identifier, |
| 2651 | priv->dino_alive.device_identifier, |
| 2652 | priv->dino_alive.time_stamp[0], |
| 2653 | priv->dino_alive.time_stamp[1], |
| 2654 | priv->dino_alive.time_stamp[2], |
| 2655 | priv->dino_alive.time_stamp[3], |
| 2656 | priv->dino_alive.time_stamp[4]); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2657 | } else { |
| 2658 | IPW_DEBUG_INFO("Microcode is not alive\n"); |
| 2659 | rc = -EINVAL; |
| 2660 | } |
| 2661 | } else { |
| 2662 | IPW_DEBUG_INFO("No alive response from DINO\n"); |
| 2663 | rc = -ETIME; |
| 2664 | } |
| 2665 | |
| 2666 | /* disable DINO, otherwise for some reason |
| 2667 | firmware have problem getting alive resp. */ |
| 2668 | ipw_write_reg8(priv, CX2_BASEBAND_CONTROL_STATUS, 0); |
| 2669 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2670 | // spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2671 | |
| 2672 | return rc; |
| 2673 | } |
| 2674 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2675 | static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2676 | { |
| 2677 | int rc = -1; |
| 2678 | int offset = 0; |
| 2679 | struct fw_chunk *chunk; |
| 2680 | dma_addr_t shared_phys; |
| 2681 | u8 *shared_virt; |
| 2682 | |
| 2683 | IPW_DEBUG_TRACE("<< : \n"); |
| 2684 | shared_virt = pci_alloc_consistent(priv->pci_dev, len, &shared_phys); |
| 2685 | |
| 2686 | if (!shared_virt) |
| 2687 | return -ENOMEM; |
| 2688 | |
| 2689 | memmove(shared_virt, data, len); |
| 2690 | |
| 2691 | /* Start the Dma */ |
| 2692 | rc = ipw_fw_dma_enable(priv); |
| 2693 | |
| 2694 | if (priv->sram_desc.last_cb_index > 0) { |
| 2695 | /* the DMA is already ready this would be a bug. */ |
| 2696 | BUG(); |
| 2697 | goto out; |
| 2698 | } |
| 2699 | |
| 2700 | do { |
| 2701 | chunk = (struct fw_chunk *)(data + offset); |
| 2702 | offset += sizeof(struct fw_chunk); |
| 2703 | /* build DMA packet and queue up for sending */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2704 | /* dma to chunk->address, the chunk->length bytes from data + |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2705 | * offeset*/ |
| 2706 | /* Dma loading */ |
| 2707 | rc = ipw_fw_dma_add_buffer(priv, shared_phys + offset, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2708 | le32_to_cpu(chunk->address), |
| 2709 | le32_to_cpu(chunk->length)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2710 | if (rc) { |
| 2711 | IPW_DEBUG_INFO("dmaAddBuffer Failed\n"); |
| 2712 | goto out; |
| 2713 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2714 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2715 | offset += le32_to_cpu(chunk->length); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2716 | } while (offset < len); |
| 2717 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2718 | /* Run the DMA and wait for the answer */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2719 | rc = ipw_fw_dma_kick(priv); |
| 2720 | if (rc) { |
| 2721 | IPW_ERROR("dmaKick Failed\n"); |
| 2722 | goto out; |
| 2723 | } |
| 2724 | |
| 2725 | rc = ipw_fw_dma_wait(priv); |
| 2726 | if (rc) { |
| 2727 | IPW_ERROR("dmaWaitSync Failed\n"); |
| 2728 | goto out; |
| 2729 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2730 | out: |
| 2731 | pci_free_consistent(priv->pci_dev, len, shared_virt, shared_phys); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2732 | return rc; |
| 2733 | } |
| 2734 | |
| 2735 | /* stop nic */ |
| 2736 | static int ipw_stop_nic(struct ipw_priv *priv) |
| 2737 | { |
| 2738 | int rc = 0; |
| 2739 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2740 | /* stop */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2741 | ipw_write32(priv, CX2_RESET_REG, CX2_RESET_REG_STOP_MASTER); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2742 | |
| 2743 | rc = ipw_poll_bit(priv, CX2_RESET_REG, |
| 2744 | CX2_RESET_REG_MASTER_DISABLED, 500); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2745 | if (rc < 0) { |
| 2746 | IPW_ERROR("wait for reg master disabled failed\n"); |
| 2747 | return rc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2748 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2749 | |
| 2750 | ipw_set_bit(priv, CX2_RESET_REG, CBD_RESET_REG_PRINCETON_RESET); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2751 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2752 | return rc; |
| 2753 | } |
| 2754 | |
| 2755 | static void ipw_start_nic(struct ipw_priv *priv) |
| 2756 | { |
| 2757 | IPW_DEBUG_TRACE(">>\n"); |
| 2758 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2759 | /* prvHwStartNic release ARC */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2760 | ipw_clear_bit(priv, CX2_RESET_REG, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2761 | CX2_RESET_REG_MASTER_DISABLED | |
| 2762 | CX2_RESET_REG_STOP_MASTER | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2763 | CBD_RESET_REG_PRINCETON_RESET); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2764 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2765 | /* enable power management */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2766 | ipw_set_bit(priv, CX2_GP_CNTRL_RW, |
| 2767 | CX2_GP_CNTRL_BIT_HOST_ALLOWS_STANDBY); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2768 | |
| 2769 | IPW_DEBUG_TRACE("<<\n"); |
| 2770 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2771 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2772 | static int ipw_init_nic(struct ipw_priv *priv) |
| 2773 | { |
| 2774 | int rc; |
| 2775 | |
| 2776 | IPW_DEBUG_TRACE(">>\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2777 | /* reset */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2778 | /*prvHwInitNic */ |
| 2779 | /* set "initialization complete" bit to move adapter to D0 state */ |
| 2780 | ipw_set_bit(priv, CX2_GP_CNTRL_RW, CX2_GP_CNTRL_BIT_INIT_DONE); |
| 2781 | |
| 2782 | /* low-level PLL activation */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2783 | ipw_write32(priv, CX2_READ_INT_REGISTER, |
| 2784 | CX2_BIT_INT_HOST_SRAM_READ_INT_REGISTER); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2785 | |
| 2786 | /* wait for clock stabilization */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2787 | rc = ipw_poll_bit(priv, CX2_GP_CNTRL_RW, |
| 2788 | CX2_GP_CNTRL_BIT_CLOCK_READY, 250); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2789 | if (rc < 0) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2790 | IPW_DEBUG_INFO("FAILED wait for clock stablization\n"); |
| 2791 | |
| 2792 | /* assert SW reset */ |
| 2793 | ipw_set_bit(priv, CX2_RESET_REG, CX2_RESET_REG_SW_RESET); |
| 2794 | |
| 2795 | udelay(10); |
| 2796 | |
| 2797 | /* set "initialization complete" bit to move adapter to D0 state */ |
| 2798 | ipw_set_bit(priv, CX2_GP_CNTRL_RW, CX2_GP_CNTRL_BIT_INIT_DONE); |
| 2799 | |
| 2800 | IPW_DEBUG_TRACE(">>\n"); |
| 2801 | return 0; |
| 2802 | } |
| 2803 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2804 | /* Call this function from process context, it will sleep in request_firmware. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2805 | * Probe is an ok place to call this from. |
| 2806 | */ |
| 2807 | static int ipw_reset_nic(struct ipw_priv *priv) |
| 2808 | { |
| 2809 | int rc = 0; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2810 | unsigned long flags; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2811 | |
| 2812 | IPW_DEBUG_TRACE(">>\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2813 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2814 | rc = ipw_init_nic(priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2815 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2816 | spin_lock_irqsave(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2817 | /* Clear the 'host command active' bit... */ |
| 2818 | priv->status &= ~STATUS_HCMD_ACTIVE; |
| 2819 | wake_up_interruptible(&priv->wait_command_queue); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2820 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2821 | |
| 2822 | IPW_DEBUG_TRACE("<<\n"); |
| 2823 | return rc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2824 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2825 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2826 | static int ipw_get_fw(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2827 | const struct firmware **fw, const char *name) |
| 2828 | { |
| 2829 | struct fw_header *header; |
| 2830 | int rc; |
| 2831 | |
| 2832 | /* ask firmware_class module to get the boot firmware off disk */ |
| 2833 | rc = request_firmware(fw, name, &priv->pci_dev->dev); |
| 2834 | if (rc < 0) { |
| 2835 | IPW_ERROR("%s load failed: Reason %d\n", name, rc); |
| 2836 | return rc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2837 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2838 | |
| 2839 | header = (struct fw_header *)(*fw)->data; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2840 | if (IPW_FW_MAJOR(le32_to_cpu(header->version)) != IPW_FW_MAJOR_VERSION) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2841 | IPW_ERROR("'%s' firmware version not compatible (%d != %d)\n", |
| 2842 | name, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2843 | IPW_FW_MAJOR(le32_to_cpu(header->version)), |
| 2844 | IPW_FW_MAJOR_VERSION); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2845 | return -EINVAL; |
| 2846 | } |
| 2847 | |
Jiri Benc | aaa4d30 | 2005-06-07 14:58:41 +0200 | [diff] [blame] | 2848 | IPW_DEBUG_INFO("Loading firmware '%s' file v%d.%d (%zd bytes)\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2849 | name, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2850 | IPW_FW_MAJOR(le32_to_cpu(header->version)), |
| 2851 | IPW_FW_MINOR(le32_to_cpu(header->version)), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2852 | (*fw)->size - sizeof(struct fw_header)); |
| 2853 | return 0; |
| 2854 | } |
| 2855 | |
| 2856 | #define CX2_RX_BUF_SIZE (3000) |
| 2857 | |
| 2858 | static inline void ipw_rx_queue_reset(struct ipw_priv *priv, |
| 2859 | struct ipw_rx_queue *rxq) |
| 2860 | { |
| 2861 | unsigned long flags; |
| 2862 | int i; |
| 2863 | |
| 2864 | spin_lock_irqsave(&rxq->lock, flags); |
| 2865 | |
| 2866 | INIT_LIST_HEAD(&rxq->rx_free); |
| 2867 | INIT_LIST_HEAD(&rxq->rx_used); |
| 2868 | |
| 2869 | /* Fill the rx_used queue with _all_ of the Rx buffers */ |
| 2870 | for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { |
| 2871 | /* In the reset function, these buffers may have been allocated |
| 2872 | * to an SKB, so we need to unmap and free potential storage */ |
| 2873 | if (rxq->pool[i].skb != NULL) { |
| 2874 | pci_unmap_single(priv->pci_dev, rxq->pool[i].dma_addr, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2875 | CX2_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2876 | dev_kfree_skb(rxq->pool[i].skb); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 2877 | rxq->pool[i].skb = NULL; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2878 | } |
| 2879 | list_add_tail(&rxq->pool[i].list, &rxq->rx_used); |
| 2880 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2881 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2882 | /* Set us so that we have processed and used all buffers, but have |
| 2883 | * not restocked the Rx queue with fresh buffers */ |
| 2884 | rxq->read = rxq->write = 0; |
| 2885 | rxq->processed = RX_QUEUE_SIZE - 1; |
| 2886 | rxq->free_count = 0; |
| 2887 | spin_unlock_irqrestore(&rxq->lock, flags); |
| 2888 | } |
| 2889 | |
| 2890 | #ifdef CONFIG_PM |
| 2891 | static int fw_loaded = 0; |
| 2892 | static const struct firmware *bootfw = NULL; |
| 2893 | static const struct firmware *firmware = NULL; |
| 2894 | static const struct firmware *ucode = NULL; |
| 2895 | #endif |
| 2896 | |
| 2897 | static int ipw_load(struct ipw_priv *priv) |
| 2898 | { |
| 2899 | #ifndef CONFIG_PM |
| 2900 | const struct firmware *bootfw = NULL; |
| 2901 | const struct firmware *firmware = NULL; |
| 2902 | const struct firmware *ucode = NULL; |
| 2903 | #endif |
| 2904 | int rc = 0, retries = 3; |
| 2905 | |
| 2906 | #ifdef CONFIG_PM |
| 2907 | if (!fw_loaded) { |
| 2908 | #endif |
| 2909 | rc = ipw_get_fw(priv, &bootfw, IPW_FW_NAME("boot")); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2910 | if (rc) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2911 | goto error; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2912 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2913 | switch (priv->ieee->iw_mode) { |
| 2914 | case IW_MODE_ADHOC: |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2915 | rc = ipw_get_fw(priv, &ucode, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2916 | IPW_FW_NAME("ibss_ucode")); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2917 | if (rc) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2918 | goto error; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2919 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2920 | rc = ipw_get_fw(priv, &firmware, IPW_FW_NAME("ibss")); |
| 2921 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2922 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 2923 | #ifdef CONFIG_IPW_MONITOR |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2924 | case IW_MODE_MONITOR: |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2925 | rc = ipw_get_fw(priv, &ucode, |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 2926 | IPW_FW_NAME("sniffer_ucode")); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2927 | if (rc) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2928 | goto error; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2929 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2930 | rc = ipw_get_fw(priv, &firmware, |
| 2931 | IPW_FW_NAME("sniffer")); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2932 | break; |
| 2933 | #endif |
| 2934 | case IW_MODE_INFRA: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2935 | rc = ipw_get_fw(priv, &ucode, IPW_FW_NAME("bss_ucode")); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2936 | if (rc) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2937 | goto error; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2938 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2939 | rc = ipw_get_fw(priv, &firmware, IPW_FW_NAME("bss")); |
| 2940 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2941 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2942 | default: |
| 2943 | rc = -EINVAL; |
| 2944 | } |
| 2945 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2946 | if (rc) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2947 | goto error; |
| 2948 | |
| 2949 | #ifdef CONFIG_PM |
| 2950 | fw_loaded = 1; |
| 2951 | } |
| 2952 | #endif |
| 2953 | |
| 2954 | if (!priv->rxq) |
| 2955 | priv->rxq = ipw_rx_queue_alloc(priv); |
| 2956 | else |
| 2957 | ipw_rx_queue_reset(priv, priv->rxq); |
| 2958 | if (!priv->rxq) { |
| 2959 | IPW_ERROR("Unable to initialize Rx queue\n"); |
| 2960 | goto error; |
| 2961 | } |
| 2962 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 2963 | retry: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2964 | /* Ensure interrupts are disabled */ |
| 2965 | ipw_write32(priv, CX2_INTA_MASK_R, ~CX2_INTA_MASK_ALL); |
| 2966 | priv->status &= ~STATUS_INT_ENABLED; |
| 2967 | |
| 2968 | /* ack pending interrupts */ |
| 2969 | ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2970 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2971 | ipw_stop_nic(priv); |
| 2972 | |
| 2973 | rc = ipw_reset_nic(priv); |
| 2974 | if (rc) { |
| 2975 | IPW_ERROR("Unable to reset NIC\n"); |
| 2976 | goto error; |
| 2977 | } |
| 2978 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2979 | ipw_zero_memory(priv, CX2_NIC_SRAM_LOWER_BOUND, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2980 | CX2_NIC_SRAM_UPPER_BOUND - CX2_NIC_SRAM_LOWER_BOUND); |
| 2981 | |
| 2982 | /* DMA the initial boot firmware into the device */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2983 | rc = ipw_load_firmware(priv, bootfw->data + sizeof(struct fw_header), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2984 | bootfw->size - sizeof(struct fw_header)); |
| 2985 | if (rc < 0) { |
| 2986 | IPW_ERROR("Unable to load boot firmware\n"); |
| 2987 | goto error; |
| 2988 | } |
| 2989 | |
| 2990 | /* kick start the device */ |
| 2991 | ipw_start_nic(priv); |
| 2992 | |
| 2993 | /* wait for the device to finish it's initial startup sequence */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 2994 | rc = ipw_poll_bit(priv, CX2_INTA_RW, |
| 2995 | CX2_INTA_BIT_FW_INITIALIZATION_DONE, 500); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 2996 | if (rc < 0) { |
| 2997 | IPW_ERROR("device failed to boot initial fw image\n"); |
| 2998 | goto error; |
| 2999 | } |
| 3000 | IPW_DEBUG_INFO("initial device response after %dms\n", rc); |
| 3001 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3002 | /* ack fw init done interrupt */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3003 | ipw_write32(priv, CX2_INTA_RW, CX2_INTA_BIT_FW_INITIALIZATION_DONE); |
| 3004 | |
| 3005 | /* DMA the ucode into the device */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3006 | rc = ipw_load_ucode(priv, ucode->data + sizeof(struct fw_header), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3007 | ucode->size - sizeof(struct fw_header)); |
| 3008 | if (rc < 0) { |
| 3009 | IPW_ERROR("Unable to load ucode\n"); |
| 3010 | goto error; |
| 3011 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3012 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3013 | /* stop nic */ |
| 3014 | ipw_stop_nic(priv); |
| 3015 | |
| 3016 | /* DMA bss firmware into the device */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3017 | rc = ipw_load_firmware(priv, firmware->data + |
| 3018 | sizeof(struct fw_header), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3019 | firmware->size - sizeof(struct fw_header)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3020 | if (rc < 0) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3021 | IPW_ERROR("Unable to load firmware\n"); |
| 3022 | goto error; |
| 3023 | } |
| 3024 | |
| 3025 | ipw_write32(priv, IPW_EEPROM_LOAD_DISABLE, 0); |
| 3026 | |
| 3027 | rc = ipw_queue_reset(priv); |
| 3028 | if (rc) { |
| 3029 | IPW_ERROR("Unable to initialize queues\n"); |
| 3030 | goto error; |
| 3031 | } |
| 3032 | |
| 3033 | /* Ensure interrupts are disabled */ |
| 3034 | ipw_write32(priv, CX2_INTA_MASK_R, ~CX2_INTA_MASK_ALL); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3035 | /* ack pending interrupts */ |
| 3036 | ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3037 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3038 | /* kick start the device */ |
| 3039 | ipw_start_nic(priv); |
| 3040 | |
| 3041 | if (ipw_read32(priv, CX2_INTA_RW) & CX2_INTA_BIT_PARITY_ERROR) { |
| 3042 | if (retries > 0) { |
| 3043 | IPW_WARNING("Parity error. Retrying init.\n"); |
| 3044 | retries--; |
| 3045 | goto retry; |
| 3046 | } |
| 3047 | |
| 3048 | IPW_ERROR("TODO: Handle parity error -- schedule restart?\n"); |
| 3049 | rc = -EIO; |
| 3050 | goto error; |
| 3051 | } |
| 3052 | |
| 3053 | /* wait for the device */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3054 | rc = ipw_poll_bit(priv, CX2_INTA_RW, |
| 3055 | CX2_INTA_BIT_FW_INITIALIZATION_DONE, 500); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3056 | if (rc < 0) { |
| 3057 | IPW_ERROR("device failed to start after 500ms\n"); |
| 3058 | goto error; |
| 3059 | } |
| 3060 | IPW_DEBUG_INFO("device response after %dms\n", rc); |
| 3061 | |
| 3062 | /* ack fw init done interrupt */ |
| 3063 | ipw_write32(priv, CX2_INTA_RW, CX2_INTA_BIT_FW_INITIALIZATION_DONE); |
| 3064 | |
| 3065 | /* read eeprom data and initialize the eeprom region of sram */ |
| 3066 | priv->eeprom_delay = 1; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3067 | ipw_eeprom_init_sram(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3068 | |
| 3069 | /* enable interrupts */ |
| 3070 | ipw_enable_interrupts(priv); |
| 3071 | |
| 3072 | /* Ensure our queue has valid packets */ |
| 3073 | ipw_rx_queue_replenish(priv); |
| 3074 | |
| 3075 | ipw_write32(priv, CX2_RX_READ_INDEX, priv->rxq->read); |
| 3076 | |
| 3077 | /* ack pending interrupts */ |
| 3078 | ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL); |
| 3079 | |
| 3080 | #ifndef CONFIG_PM |
| 3081 | release_firmware(bootfw); |
| 3082 | release_firmware(ucode); |
| 3083 | release_firmware(firmware); |
| 3084 | #endif |
| 3085 | return 0; |
| 3086 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3087 | error: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3088 | if (priv->rxq) { |
| 3089 | ipw_rx_queue_free(priv, priv->rxq); |
| 3090 | priv->rxq = NULL; |
| 3091 | } |
| 3092 | ipw_tx_queue_free(priv); |
| 3093 | if (bootfw) |
| 3094 | release_firmware(bootfw); |
| 3095 | if (ucode) |
| 3096 | release_firmware(ucode); |
| 3097 | if (firmware) |
| 3098 | release_firmware(firmware); |
| 3099 | #ifdef CONFIG_PM |
| 3100 | fw_loaded = 0; |
| 3101 | bootfw = ucode = firmware = NULL; |
| 3102 | #endif |
| 3103 | |
| 3104 | return rc; |
| 3105 | } |
| 3106 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3107 | /** |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3108 | * DMA services |
| 3109 | * |
| 3110 | * Theory of operation |
| 3111 | * |
| 3112 | * A queue is a circular buffers with 'Read' and 'Write' pointers. |
| 3113 | * 2 empty entries always kept in the buffer to protect from overflow. |
| 3114 | * |
| 3115 | * For Tx queue, there are low mark and high mark limits. If, after queuing |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3116 | * the packet for Tx, free space become < low mark, Tx queue stopped. When |
| 3117 | * reclaiming packets (on 'tx done IRQ), if free space become > high mark, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3118 | * Tx queue resumed. |
| 3119 | * |
| 3120 | * The IPW operates with six queues, one receive queue in the device's |
| 3121 | * sram, one transmit queue for sending commands to the device firmware, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3122 | * and four transmit queues for data. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3123 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3124 | * The four transmit queues allow for performing quality of service (qos) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3125 | * transmissions as per the 802.11 protocol. Currently Linux does not |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3126 | * provide a mechanism to the user for utilizing prioritized queues, so |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3127 | * we only utilize the first data transmit queue (queue1). |
| 3128 | */ |
| 3129 | |
| 3130 | /** |
| 3131 | * Driver allocates buffers of this size for Rx |
| 3132 | */ |
| 3133 | |
| 3134 | static inline int ipw_queue_space(const struct clx2_queue *q) |
| 3135 | { |
| 3136 | int s = q->last_used - q->first_empty; |
| 3137 | if (s <= 0) |
| 3138 | s += q->n_bd; |
| 3139 | s -= 2; /* keep some reserve to not confuse empty and full situations */ |
| 3140 | if (s < 0) |
| 3141 | s = 0; |
| 3142 | return s; |
| 3143 | } |
| 3144 | |
| 3145 | static inline int ipw_queue_inc_wrap(int index, int n_bd) |
| 3146 | { |
| 3147 | return (++index == n_bd) ? 0 : index; |
| 3148 | } |
| 3149 | |
| 3150 | /** |
| 3151 | * Initialize common DMA queue structure |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3152 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3153 | * @param q queue to init |
| 3154 | * @param count Number of BD's to allocate. Should be power of 2 |
| 3155 | * @param read_register Address for 'read' register |
| 3156 | * (not offset within BAR, full address) |
| 3157 | * @param write_register Address for 'write' register |
| 3158 | * (not offset within BAR, full address) |
| 3159 | * @param base_register Address for 'base' register |
| 3160 | * (not offset within BAR, full address) |
| 3161 | * @param size Address for 'size' register |
| 3162 | * (not offset within BAR, full address) |
| 3163 | */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3164 | static void ipw_queue_init(struct ipw_priv *priv, struct clx2_queue *q, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3165 | int count, u32 read, u32 write, u32 base, u32 size) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3166 | { |
| 3167 | q->n_bd = count; |
| 3168 | |
| 3169 | q->low_mark = q->n_bd / 4; |
| 3170 | if (q->low_mark < 4) |
| 3171 | q->low_mark = 4; |
| 3172 | |
| 3173 | q->high_mark = q->n_bd / 8; |
| 3174 | if (q->high_mark < 2) |
| 3175 | q->high_mark = 2; |
| 3176 | |
| 3177 | q->first_empty = q->last_used = 0; |
| 3178 | q->reg_r = read; |
| 3179 | q->reg_w = write; |
| 3180 | |
| 3181 | ipw_write32(priv, base, q->dma_addr); |
| 3182 | ipw_write32(priv, size, count); |
| 3183 | ipw_write32(priv, read, 0); |
| 3184 | ipw_write32(priv, write, 0); |
| 3185 | |
| 3186 | _ipw_read32(priv, 0x90); |
| 3187 | } |
| 3188 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3189 | static int ipw_queue_tx_init(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3190 | struct clx2_tx_queue *q, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3191 | int count, u32 read, u32 write, u32 base, u32 size) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3192 | { |
| 3193 | struct pci_dev *dev = priv->pci_dev; |
| 3194 | |
| 3195 | q->txb = kmalloc(sizeof(q->txb[0]) * count, GFP_KERNEL); |
| 3196 | if (!q->txb) { |
| 3197 | IPW_ERROR("vmalloc for auxilary BD structures failed\n"); |
| 3198 | return -ENOMEM; |
| 3199 | } |
| 3200 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3201 | q->bd = |
| 3202 | pci_alloc_consistent(dev, sizeof(q->bd[0]) * count, &q->q.dma_addr); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3203 | if (!q->bd) { |
Jiri Benc | aaa4d30 | 2005-06-07 14:58:41 +0200 | [diff] [blame] | 3204 | IPW_ERROR("pci_alloc_consistent(%zd) failed\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3205 | sizeof(q->bd[0]) * count); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3206 | kfree(q->txb); |
| 3207 | q->txb = NULL; |
| 3208 | return -ENOMEM; |
| 3209 | } |
| 3210 | |
| 3211 | ipw_queue_init(priv, &q->q, count, read, write, base, size); |
| 3212 | return 0; |
| 3213 | } |
| 3214 | |
| 3215 | /** |
| 3216 | * Free one TFD, those at index [txq->q.last_used]. |
| 3217 | * Do NOT advance any indexes |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3218 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3219 | * @param dev |
| 3220 | * @param txq |
| 3221 | */ |
| 3222 | static void ipw_queue_tx_free_tfd(struct ipw_priv *priv, |
| 3223 | struct clx2_tx_queue *txq) |
| 3224 | { |
| 3225 | struct tfd_frame *bd = &txq->bd[txq->q.last_used]; |
| 3226 | struct pci_dev *dev = priv->pci_dev; |
| 3227 | int i; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3228 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3229 | /* classify bd */ |
| 3230 | if (bd->control_flags.message_type == TX_HOST_COMMAND_TYPE) |
| 3231 | /* nothing to cleanup after for host commands */ |
| 3232 | return; |
| 3233 | |
| 3234 | /* sanity check */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3235 | if (le32_to_cpu(bd->u.data.num_chunks) > NUM_TFD_CHUNKS) { |
| 3236 | IPW_ERROR("Too many chunks: %i\n", |
| 3237 | le32_to_cpu(bd->u.data.num_chunks)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3238 | /** @todo issue fatal error, it is quite serious situation */ |
| 3239 | return; |
| 3240 | } |
| 3241 | |
| 3242 | /* unmap chunks if any */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3243 | for (i = 0; i < le32_to_cpu(bd->u.data.num_chunks); i++) { |
| 3244 | pci_unmap_single(dev, le32_to_cpu(bd->u.data.chunk_ptr[i]), |
| 3245 | le16_to_cpu(bd->u.data.chunk_len[i]), |
| 3246 | PCI_DMA_TODEVICE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3247 | if (txq->txb[txq->q.last_used]) { |
| 3248 | ieee80211_txb_free(txq->txb[txq->q.last_used]); |
| 3249 | txq->txb[txq->q.last_used] = NULL; |
| 3250 | } |
| 3251 | } |
| 3252 | } |
| 3253 | |
| 3254 | /** |
| 3255 | * Deallocate DMA queue. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3256 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3257 | * Empty queue by removing and destroying all BD's. |
| 3258 | * Free all buffers. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3259 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3260 | * @param dev |
| 3261 | * @param q |
| 3262 | */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3263 | static void ipw_queue_tx_free(struct ipw_priv *priv, struct clx2_tx_queue *txq) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3264 | { |
| 3265 | struct clx2_queue *q = &txq->q; |
| 3266 | struct pci_dev *dev = priv->pci_dev; |
| 3267 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3268 | if (q->n_bd == 0) |
| 3269 | return; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3270 | |
| 3271 | /* first, empty all BD's */ |
| 3272 | for (; q->first_empty != q->last_used; |
| 3273 | q->last_used = ipw_queue_inc_wrap(q->last_used, q->n_bd)) { |
| 3274 | ipw_queue_tx_free_tfd(priv, txq); |
| 3275 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3276 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3277 | /* free buffers belonging to queue itself */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3278 | pci_free_consistent(dev, sizeof(txq->bd[0]) * q->n_bd, txq->bd, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3279 | q->dma_addr); |
| 3280 | kfree(txq->txb); |
| 3281 | |
| 3282 | /* 0 fill whole structure */ |
| 3283 | memset(txq, 0, sizeof(*txq)); |
| 3284 | } |
| 3285 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3286 | /** |
| 3287 | * Destroy all DMA queues and structures |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3288 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3289 | * @param priv |
| 3290 | */ |
| 3291 | static void ipw_tx_queue_free(struct ipw_priv *priv) |
| 3292 | { |
| 3293 | /* Tx CMD queue */ |
| 3294 | ipw_queue_tx_free(priv, &priv->txq_cmd); |
| 3295 | |
| 3296 | /* Tx queues */ |
| 3297 | ipw_queue_tx_free(priv, &priv->txq[0]); |
| 3298 | ipw_queue_tx_free(priv, &priv->txq[1]); |
| 3299 | ipw_queue_tx_free(priv, &priv->txq[2]); |
| 3300 | ipw_queue_tx_free(priv, &priv->txq[3]); |
| 3301 | } |
| 3302 | |
| 3303 | static void inline __maybe_wake_tx(struct ipw_priv *priv) |
| 3304 | { |
| 3305 | if (netif_running(priv->net_dev)) { |
| 3306 | switch (priv->port_type) { |
| 3307 | case DCR_TYPE_MU_BSS: |
| 3308 | case DCR_TYPE_MU_IBSS: |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3309 | if (!(priv->status & STATUS_ASSOCIATED)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3310 | return; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3311 | } |
| 3312 | netif_wake_queue(priv->net_dev); |
| 3313 | } |
| 3314 | |
| 3315 | } |
| 3316 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3317 | static inline void ipw_create_bssid(struct ipw_priv *priv, u8 * bssid) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3318 | { |
| 3319 | /* First 3 bytes are manufacturer */ |
| 3320 | bssid[0] = priv->mac_addr[0]; |
| 3321 | bssid[1] = priv->mac_addr[1]; |
| 3322 | bssid[2] = priv->mac_addr[2]; |
| 3323 | |
| 3324 | /* Last bytes are random */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3325 | get_random_bytes(&bssid[3], ETH_ALEN - 3); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3326 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3327 | bssid[0] &= 0xfe; /* clear multicast bit */ |
| 3328 | bssid[0] |= 0x02; /* set local assignment bit (IEEE802) */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3329 | } |
| 3330 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3331 | static inline u8 ipw_add_station(struct ipw_priv *priv, u8 * bssid) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3332 | { |
| 3333 | struct ipw_station_entry entry; |
| 3334 | int i; |
| 3335 | |
| 3336 | for (i = 0; i < priv->num_stations; i++) { |
| 3337 | if (!memcmp(priv->stations[i], bssid, ETH_ALEN)) { |
| 3338 | /* Another node is active in network */ |
| 3339 | priv->missed_adhoc_beacons = 0; |
| 3340 | if (!(priv->config & CFG_STATIC_CHANNEL)) |
| 3341 | /* when other nodes drop out, we drop out */ |
| 3342 | priv->config &= ~CFG_ADHOC_PERSIST; |
| 3343 | |
| 3344 | return i; |
| 3345 | } |
| 3346 | } |
| 3347 | |
| 3348 | if (i == MAX_STATIONS) |
| 3349 | return IPW_INVALID_STATION; |
| 3350 | |
| 3351 | IPW_DEBUG_SCAN("Adding AdHoc station: " MAC_FMT "\n", MAC_ARG(bssid)); |
| 3352 | |
| 3353 | entry.reserved = 0; |
| 3354 | entry.support_mode = 0; |
| 3355 | memcpy(entry.mac_addr, bssid, ETH_ALEN); |
| 3356 | memcpy(priv->stations[i], bssid, ETH_ALEN); |
| 3357 | ipw_write_direct(priv, IPW_STATION_TABLE_LOWER + i * sizeof(entry), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3358 | &entry, sizeof(entry)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3359 | priv->num_stations++; |
| 3360 | |
| 3361 | return i; |
| 3362 | } |
| 3363 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3364 | static inline u8 ipw_find_station(struct ipw_priv *priv, u8 * bssid) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3365 | { |
| 3366 | int i; |
| 3367 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3368 | for (i = 0; i < priv->num_stations; i++) |
| 3369 | if (!memcmp(priv->stations[i], bssid, ETH_ALEN)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3370 | return i; |
| 3371 | |
| 3372 | return IPW_INVALID_STATION; |
| 3373 | } |
| 3374 | |
| 3375 | static void ipw_send_disassociate(struct ipw_priv *priv, int quiet) |
| 3376 | { |
| 3377 | int err; |
| 3378 | |
| 3379 | if (!(priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED))) { |
| 3380 | IPW_DEBUG_ASSOC("Disassociating while not associated.\n"); |
| 3381 | return; |
| 3382 | } |
| 3383 | |
| 3384 | IPW_DEBUG_ASSOC("Disassocation attempt from " MAC_FMT " " |
| 3385 | "on channel %d.\n", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3386 | MAC_ARG(priv->assoc_request.bssid), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3387 | priv->assoc_request.channel); |
| 3388 | |
| 3389 | priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED); |
| 3390 | priv->status |= STATUS_DISASSOCIATING; |
| 3391 | |
| 3392 | if (quiet) |
| 3393 | priv->assoc_request.assoc_type = HC_DISASSOC_QUIET; |
| 3394 | else |
| 3395 | priv->assoc_request.assoc_type = HC_DISASSOCIATE; |
| 3396 | err = ipw_send_associate(priv, &priv->assoc_request); |
| 3397 | if (err) { |
| 3398 | IPW_DEBUG_HC("Attempt to send [dis]associate command " |
| 3399 | "failed.\n"); |
| 3400 | return; |
| 3401 | } |
| 3402 | |
| 3403 | } |
| 3404 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3405 | static int ipw_disassociate(void *data) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3406 | { |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3407 | struct ipw_priv *priv = data; |
| 3408 | if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) |
| 3409 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3410 | ipw_send_disassociate(data, 0); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3411 | return 1; |
| 3412 | } |
| 3413 | |
| 3414 | static void ipw_bg_disassociate(void *data) |
| 3415 | { |
| 3416 | struct ipw_priv *priv = data; |
| 3417 | down(&priv->sem); |
| 3418 | ipw_disassociate(data); |
| 3419 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3420 | } |
| 3421 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3422 | struct ipw_status_code { |
| 3423 | u16 status; |
| 3424 | const char *reason; |
| 3425 | }; |
| 3426 | |
| 3427 | static const struct ipw_status_code ipw_status_codes[] = { |
| 3428 | {0x00, "Successful"}, |
| 3429 | {0x01, "Unspecified failure"}, |
| 3430 | {0x0A, "Cannot support all requested capabilities in the " |
| 3431 | "Capability information field"}, |
| 3432 | {0x0B, "Reassociation denied due to inability to confirm that " |
| 3433 | "association exists"}, |
| 3434 | {0x0C, "Association denied due to reason outside the scope of this " |
| 3435 | "standard"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3436 | {0x0D, |
| 3437 | "Responding station does not support the specified authentication " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3438 | "algorithm"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3439 | {0x0E, |
| 3440 | "Received an Authentication frame with authentication sequence " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3441 | "transaction sequence number out of expected sequence"}, |
| 3442 | {0x0F, "Authentication rejected because of challenge failure"}, |
| 3443 | {0x10, "Authentication rejected due to timeout waiting for next " |
| 3444 | "frame in sequence"}, |
| 3445 | {0x11, "Association denied because AP is unable to handle additional " |
| 3446 | "associated stations"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3447 | {0x12, |
| 3448 | "Association denied due to requesting station not supporting all " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3449 | "of the datarates in the BSSBasicServiceSet Parameter"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3450 | {0x13, |
| 3451 | "Association denied due to requesting station not supporting " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3452 | "short preamble operation"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3453 | {0x14, |
| 3454 | "Association denied due to requesting station not supporting " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3455 | "PBCC encoding"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3456 | {0x15, |
| 3457 | "Association denied due to requesting station not supporting " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3458 | "channel agility"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3459 | {0x19, |
| 3460 | "Association denied due to requesting station not supporting " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3461 | "short slot operation"}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3462 | {0x1A, |
| 3463 | "Association denied due to requesting station not supporting " |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3464 | "DSSS-OFDM operation"}, |
| 3465 | {0x28, "Invalid Information Element"}, |
| 3466 | {0x29, "Group Cipher is not valid"}, |
| 3467 | {0x2A, "Pairwise Cipher is not valid"}, |
| 3468 | {0x2B, "AKMP is not valid"}, |
| 3469 | {0x2C, "Unsupported RSN IE version"}, |
| 3470 | {0x2D, "Invalid RSN IE Capabilities"}, |
| 3471 | {0x2E, "Cipher suite is rejected per security policy"}, |
| 3472 | }; |
| 3473 | |
| 3474 | #ifdef CONFIG_IPW_DEBUG |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3475 | static const char *ipw_get_status_code(u16 status) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3476 | { |
| 3477 | int i; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3478 | for (i = 0; i < ARRAY_SIZE(ipw_status_codes); i++) |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3479 | if (ipw_status_codes[i].status == (status & 0xff)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3480 | return ipw_status_codes[i].reason; |
| 3481 | return "Unknown status value."; |
| 3482 | } |
| 3483 | #endif |
| 3484 | |
| 3485 | static void inline average_init(struct average *avg) |
| 3486 | { |
| 3487 | memset(avg, 0, sizeof(*avg)); |
| 3488 | } |
| 3489 | |
| 3490 | static void inline average_add(struct average *avg, s16 val) |
| 3491 | { |
| 3492 | avg->sum -= avg->entries[avg->pos]; |
| 3493 | avg->sum += val; |
| 3494 | avg->entries[avg->pos++] = val; |
| 3495 | if (unlikely(avg->pos == AVG_ENTRIES)) { |
| 3496 | avg->init = 1; |
| 3497 | avg->pos = 0; |
| 3498 | } |
| 3499 | } |
| 3500 | |
| 3501 | static s16 inline average_value(struct average *avg) |
| 3502 | { |
| 3503 | if (!unlikely(avg->init)) { |
| 3504 | if (avg->pos) |
| 3505 | return avg->sum / avg->pos; |
| 3506 | return 0; |
| 3507 | } |
| 3508 | |
| 3509 | return avg->sum / AVG_ENTRIES; |
| 3510 | } |
| 3511 | |
| 3512 | static void ipw_reset_stats(struct ipw_priv *priv) |
| 3513 | { |
| 3514 | u32 len = sizeof(u32); |
| 3515 | |
| 3516 | priv->quality = 0; |
| 3517 | |
| 3518 | average_init(&priv->average_missed_beacons); |
| 3519 | average_init(&priv->average_rssi); |
| 3520 | average_init(&priv->average_noise); |
| 3521 | |
| 3522 | priv->last_rate = 0; |
| 3523 | priv->last_missed_beacons = 0; |
| 3524 | priv->last_rx_packets = 0; |
| 3525 | priv->last_tx_packets = 0; |
| 3526 | priv->last_tx_failures = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3527 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3528 | /* Firmware managed, reset only when NIC is restarted, so we have to |
| 3529 | * normalize on the current value */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3530 | ipw_get_ordinal(priv, IPW_ORD_STAT_RX_ERR_CRC, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3531 | &priv->last_rx_err, &len); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3532 | ipw_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURE, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3533 | &priv->last_tx_failures, &len); |
| 3534 | |
| 3535 | /* Driver managed, reset with each association */ |
| 3536 | priv->missed_adhoc_beacons = 0; |
| 3537 | priv->missed_beacons = 0; |
| 3538 | priv->tx_packets = 0; |
| 3539 | priv->rx_packets = 0; |
| 3540 | |
| 3541 | } |
| 3542 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3543 | static inline u32 ipw_get_max_rate(struct ipw_priv *priv) |
| 3544 | { |
| 3545 | u32 i = 0x80000000; |
| 3546 | u32 mask = priv->rates_mask; |
| 3547 | /* If currently associated in B mode, restrict the maximum |
| 3548 | * rate match to B rates */ |
| 3549 | if (priv->assoc_request.ieee_mode == IPW_B_MODE) |
| 3550 | mask &= IEEE80211_CCK_RATES_MASK; |
| 3551 | |
| 3552 | /* TODO: Verify that the rate is supported by the current rates |
| 3553 | * list. */ |
| 3554 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3555 | while (i && !(mask & i)) |
| 3556 | i >>= 1; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3557 | switch (i) { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3558 | case IEEE80211_CCK_RATE_1MB_MASK: |
| 3559 | return 1000000; |
| 3560 | case IEEE80211_CCK_RATE_2MB_MASK: |
| 3561 | return 2000000; |
| 3562 | case IEEE80211_CCK_RATE_5MB_MASK: |
| 3563 | return 5500000; |
| 3564 | case IEEE80211_OFDM_RATE_6MB_MASK: |
| 3565 | return 6000000; |
| 3566 | case IEEE80211_OFDM_RATE_9MB_MASK: |
| 3567 | return 9000000; |
| 3568 | case IEEE80211_CCK_RATE_11MB_MASK: |
| 3569 | return 11000000; |
| 3570 | case IEEE80211_OFDM_RATE_12MB_MASK: |
| 3571 | return 12000000; |
| 3572 | case IEEE80211_OFDM_RATE_18MB_MASK: |
| 3573 | return 18000000; |
| 3574 | case IEEE80211_OFDM_RATE_24MB_MASK: |
| 3575 | return 24000000; |
| 3576 | case IEEE80211_OFDM_RATE_36MB_MASK: |
| 3577 | return 36000000; |
| 3578 | case IEEE80211_OFDM_RATE_48MB_MASK: |
| 3579 | return 48000000; |
| 3580 | case IEEE80211_OFDM_RATE_54MB_MASK: |
| 3581 | return 54000000; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3582 | } |
| 3583 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3584 | if (priv->ieee->mode == IEEE_B) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3585 | return 11000000; |
| 3586 | else |
| 3587 | return 54000000; |
| 3588 | } |
| 3589 | |
| 3590 | static u32 ipw_get_current_rate(struct ipw_priv *priv) |
| 3591 | { |
| 3592 | u32 rate, len = sizeof(rate); |
| 3593 | int err; |
| 3594 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3595 | if (!(priv->status & STATUS_ASSOCIATED)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3596 | return 0; |
| 3597 | |
| 3598 | if (priv->tx_packets > IPW_REAL_RATE_RX_PACKET_THRESHOLD) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3599 | err = ipw_get_ordinal(priv, IPW_ORD_STAT_TX_CURR_RATE, &rate, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3600 | &len); |
| 3601 | if (err) { |
| 3602 | IPW_DEBUG_INFO("failed querying ordinals.\n"); |
| 3603 | return 0; |
| 3604 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3605 | } else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3606 | return ipw_get_max_rate(priv); |
| 3607 | |
| 3608 | switch (rate) { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3609 | case IPW_TX_RATE_1MB: |
| 3610 | return 1000000; |
| 3611 | case IPW_TX_RATE_2MB: |
| 3612 | return 2000000; |
| 3613 | case IPW_TX_RATE_5MB: |
| 3614 | return 5500000; |
| 3615 | case IPW_TX_RATE_6MB: |
| 3616 | return 6000000; |
| 3617 | case IPW_TX_RATE_9MB: |
| 3618 | return 9000000; |
| 3619 | case IPW_TX_RATE_11MB: |
| 3620 | return 11000000; |
| 3621 | case IPW_TX_RATE_12MB: |
| 3622 | return 12000000; |
| 3623 | case IPW_TX_RATE_18MB: |
| 3624 | return 18000000; |
| 3625 | case IPW_TX_RATE_24MB: |
| 3626 | return 24000000; |
| 3627 | case IPW_TX_RATE_36MB: |
| 3628 | return 36000000; |
| 3629 | case IPW_TX_RATE_48MB: |
| 3630 | return 48000000; |
| 3631 | case IPW_TX_RATE_54MB: |
| 3632 | return 54000000; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3633 | } |
| 3634 | |
| 3635 | return 0; |
| 3636 | } |
| 3637 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3638 | #define IPW_STATS_INTERVAL (2 * HZ) |
| 3639 | static void ipw_gather_stats(struct ipw_priv *priv) |
| 3640 | { |
| 3641 | u32 rx_err, rx_err_delta, rx_packets_delta; |
| 3642 | u32 tx_failures, tx_failures_delta, tx_packets_delta; |
| 3643 | u32 missed_beacons_percent, missed_beacons_delta; |
| 3644 | u32 quality = 0; |
| 3645 | u32 len = sizeof(u32); |
| 3646 | s16 rssi; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3647 | u32 beacon_quality, signal_quality, tx_quality, rx_quality, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3648 | rate_quality; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3649 | u32 max_rate; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3650 | |
| 3651 | if (!(priv->status & STATUS_ASSOCIATED)) { |
| 3652 | priv->quality = 0; |
| 3653 | return; |
| 3654 | } |
| 3655 | |
| 3656 | /* Update the statistics */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3657 | ipw_get_ordinal(priv, IPW_ORD_STAT_MISSED_BEACONS, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3658 | &priv->missed_beacons, &len); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3659 | missed_beacons_delta = priv->missed_beacons - priv->last_missed_beacons; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3660 | priv->last_missed_beacons = priv->missed_beacons; |
| 3661 | if (priv->assoc_request.beacon_interval) { |
| 3662 | missed_beacons_percent = missed_beacons_delta * |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3663 | (HZ * priv->assoc_request.beacon_interval) / |
| 3664 | (IPW_STATS_INTERVAL * 10); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3665 | } else { |
| 3666 | missed_beacons_percent = 0; |
| 3667 | } |
| 3668 | average_add(&priv->average_missed_beacons, missed_beacons_percent); |
| 3669 | |
| 3670 | ipw_get_ordinal(priv, IPW_ORD_STAT_RX_ERR_CRC, &rx_err, &len); |
| 3671 | rx_err_delta = rx_err - priv->last_rx_err; |
| 3672 | priv->last_rx_err = rx_err; |
| 3673 | |
| 3674 | ipw_get_ordinal(priv, IPW_ORD_STAT_TX_FAILURE, &tx_failures, &len); |
| 3675 | tx_failures_delta = tx_failures - priv->last_tx_failures; |
| 3676 | priv->last_tx_failures = tx_failures; |
| 3677 | |
| 3678 | rx_packets_delta = priv->rx_packets - priv->last_rx_packets; |
| 3679 | priv->last_rx_packets = priv->rx_packets; |
| 3680 | |
| 3681 | tx_packets_delta = priv->tx_packets - priv->last_tx_packets; |
| 3682 | priv->last_tx_packets = priv->tx_packets; |
| 3683 | |
| 3684 | /* Calculate quality based on the following: |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3685 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3686 | * Missed beacon: 100% = 0, 0% = 70% missed |
| 3687 | * Rate: 60% = 1Mbs, 100% = Max |
| 3688 | * Rx and Tx errors represent a straight % of total Rx/Tx |
| 3689 | * RSSI: 100% = > -50, 0% = < -80 |
| 3690 | * Rx errors: 100% = 0, 0% = 50% missed |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3691 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3692 | * The lowest computed quality is used. |
| 3693 | * |
| 3694 | */ |
| 3695 | #define BEACON_THRESHOLD 5 |
| 3696 | beacon_quality = 100 - missed_beacons_percent; |
| 3697 | if (beacon_quality < BEACON_THRESHOLD) |
| 3698 | beacon_quality = 0; |
| 3699 | else |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3700 | beacon_quality = (beacon_quality - BEACON_THRESHOLD) * 100 / |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3701 | (100 - BEACON_THRESHOLD); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3702 | IPW_DEBUG_STATS("Missed beacon: %3d%% (%d%%)\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3703 | beacon_quality, missed_beacons_percent); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3704 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3705 | priv->last_rate = ipw_get_current_rate(priv); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3706 | max_rate = ipw_get_max_rate(priv); |
| 3707 | rate_quality = priv->last_rate * 40 / max_rate + 60; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3708 | IPW_DEBUG_STATS("Rate quality : %3d%% (%dMbs)\n", |
| 3709 | rate_quality, priv->last_rate / 1000000); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3710 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3711 | if (rx_packets_delta > 100 && rx_packets_delta + rx_err_delta) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3712 | rx_quality = 100 - (rx_err_delta * 100) / |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3713 | (rx_packets_delta + rx_err_delta); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3714 | else |
| 3715 | rx_quality = 100; |
| 3716 | IPW_DEBUG_STATS("Rx quality : %3d%% (%u errors, %u packets)\n", |
| 3717 | rx_quality, rx_err_delta, rx_packets_delta); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3718 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3719 | if (tx_packets_delta > 100 && tx_packets_delta + tx_failures_delta) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3720 | tx_quality = 100 - (tx_failures_delta * 100) / |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3721 | (tx_packets_delta + tx_failures_delta); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3722 | else |
| 3723 | tx_quality = 100; |
| 3724 | IPW_DEBUG_STATS("Tx quality : %3d%% (%u errors, %u packets)\n", |
| 3725 | tx_quality, tx_failures_delta, tx_packets_delta); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3726 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3727 | rssi = average_value(&priv->average_rssi); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3728 | signal_quality = |
| 3729 | (100 * |
| 3730 | (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) * |
| 3731 | (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) - |
| 3732 | (priv->ieee->perfect_rssi - rssi) * |
| 3733 | (15 * (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) + |
| 3734 | 62 * (priv->ieee->perfect_rssi - rssi))) / |
| 3735 | ((priv->ieee->perfect_rssi - priv->ieee->worst_rssi) * |
| 3736 | (priv->ieee->perfect_rssi - priv->ieee->worst_rssi)); |
| 3737 | if (signal_quality > 100) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3738 | signal_quality = 100; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3739 | else if (signal_quality < 1) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3740 | signal_quality = 0; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3741 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3742 | IPW_DEBUG_STATS("Signal level : %3d%% (%d dBm)\n", |
| 3743 | signal_quality, rssi); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3744 | |
| 3745 | quality = min(beacon_quality, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3746 | min(rate_quality, |
| 3747 | min(tx_quality, min(rx_quality, signal_quality)))); |
| 3748 | if (quality == beacon_quality) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3749 | IPW_DEBUG_STATS("Quality (%d%%): Clamped to missed beacons.\n", |
| 3750 | quality); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3751 | if (quality == rate_quality) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3752 | IPW_DEBUG_STATS("Quality (%d%%): Clamped to rate quality.\n", |
| 3753 | quality); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3754 | if (quality == tx_quality) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3755 | IPW_DEBUG_STATS("Quality (%d%%): Clamped to Tx quality.\n", |
| 3756 | quality); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3757 | if (quality == rx_quality) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3758 | IPW_DEBUG_STATS("Quality (%d%%): Clamped to Rx quality.\n", |
| 3759 | quality); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3760 | if (quality == signal_quality) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3761 | IPW_DEBUG_STATS("Quality (%d%%): Clamped to signal quality.\n", |
| 3762 | quality); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3763 | |
| 3764 | priv->quality = quality; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3765 | |
| 3766 | queue_delayed_work(priv->workqueue, &priv->gather_stats, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3767 | IPW_STATS_INTERVAL); |
| 3768 | } |
| 3769 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 3770 | static void ipw_bg_gather_stats(void *data) |
| 3771 | { |
| 3772 | struct ipw_priv *priv = data; |
| 3773 | down(&priv->sem); |
| 3774 | ipw_gather_stats(data); |
| 3775 | up(&priv->sem); |
| 3776 | } |
| 3777 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3778 | static inline void ipw_handle_missed_beacon(struct ipw_priv *priv, |
| 3779 | int missed_count) |
| 3780 | { |
| 3781 | priv->notif_missed_beacons = missed_count; |
| 3782 | |
| 3783 | if (missed_count > priv->missed_beacon_threshold && |
| 3784 | priv->status & STATUS_ASSOCIATED) { |
| 3785 | /* If associated and we've hit the missed |
| 3786 | * beacon threshold, disassociate, turn |
| 3787 | * off roaming, and abort any active scans */ |
| 3788 | IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | |
| 3789 | IPW_DL_STATE, |
| 3790 | "Missed beacon: %d - disassociate\n", missed_count); |
| 3791 | priv->status &= ~STATUS_ROAMING; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3792 | if (priv->status & STATUS_SCANNING) { |
| 3793 | IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | |
| 3794 | IPW_DL_STATE, |
| 3795 | "Aborting scan with missed beacon.\n"); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3796 | queue_work(priv->workqueue, &priv->abort_scan); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3797 | } |
| 3798 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3799 | queue_work(priv->workqueue, &priv->disassociate); |
| 3800 | return; |
| 3801 | } |
| 3802 | |
| 3803 | if (priv->status & STATUS_ROAMING) { |
| 3804 | /* If we are currently roaming, then just |
| 3805 | * print a debug statement... */ |
| 3806 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE, |
| 3807 | "Missed beacon: %d - roam in progress\n", |
| 3808 | missed_count); |
| 3809 | return; |
| 3810 | } |
| 3811 | |
| 3812 | if (missed_count > priv->roaming_threshold) { |
| 3813 | /* If we are not already roaming, set the ROAM |
| 3814 | * bit in the status and kick off a scan */ |
| 3815 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE, |
| 3816 | "Missed beacon: %d - initiate " |
| 3817 | "roaming\n", missed_count); |
| 3818 | if (!(priv->status & STATUS_ROAMING)) { |
| 3819 | priv->status |= STATUS_ROAMING; |
| 3820 | if (!(priv->status & STATUS_SCANNING)) |
| 3821 | queue_work(priv->workqueue, |
| 3822 | &priv->request_scan); |
| 3823 | } |
| 3824 | return; |
| 3825 | } |
| 3826 | |
| 3827 | if (priv->status & STATUS_SCANNING) { |
| 3828 | /* Stop scan to keep fw from getting |
| 3829 | * stuck (only if we aren't roaming -- |
| 3830 | * otherwise we'll never scan more than 2 or 3 |
| 3831 | * channels..) */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3832 | IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | |
| 3833 | IPW_DL_STATE, "Aborting scan with missed beacon.\n"); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3834 | queue_work(priv->workqueue, &priv->abort_scan); |
| 3835 | } |
| 3836 | |
| 3837 | IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count); |
| 3838 | |
| 3839 | } |
| 3840 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3841 | /** |
| 3842 | * Handle host notification packet. |
| 3843 | * Called from interrupt routine |
| 3844 | */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3845 | static inline void ipw_rx_notification(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3846 | struct ipw_rx_notification *notif) |
| 3847 | { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3848 | notif->size = le16_to_cpu(notif->size); |
| 3849 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3850 | IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, notif->size); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3851 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3852 | switch (notif->subtype) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3853 | case HOST_NOTIFICATION_STATUS_ASSOCIATED:{ |
| 3854 | struct notif_association *assoc = ¬if->u.assoc; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3855 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3856 | switch (assoc->state) { |
| 3857 | case CMAS_ASSOCIATED:{ |
| 3858 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 3859 | IPW_DL_ASSOC, |
| 3860 | "associated: '%s' " MAC_FMT |
| 3861 | " \n", |
| 3862 | escape_essid(priv->essid, |
| 3863 | priv->essid_len), |
| 3864 | MAC_ARG(priv->bssid)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3865 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3866 | switch (priv->ieee->iw_mode) { |
| 3867 | case IW_MODE_INFRA: |
| 3868 | memcpy(priv->ieee->bssid, |
| 3869 | priv->bssid, ETH_ALEN); |
| 3870 | break; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3871 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3872 | case IW_MODE_ADHOC: |
| 3873 | memcpy(priv->ieee->bssid, |
| 3874 | priv->bssid, ETH_ALEN); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3875 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3876 | /* clear out the station table */ |
| 3877 | priv->num_stations = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3878 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3879 | IPW_DEBUG_ASSOC |
| 3880 | ("queueing adhoc check\n"); |
| 3881 | queue_delayed_work(priv-> |
| 3882 | workqueue, |
| 3883 | &priv-> |
| 3884 | adhoc_check, |
| 3885 | priv-> |
| 3886 | assoc_request. |
| 3887 | beacon_interval); |
| 3888 | break; |
| 3889 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3890 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3891 | priv->status &= ~STATUS_ASSOCIATING; |
| 3892 | priv->status |= STATUS_ASSOCIATED; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3893 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3894 | schedule_work(&priv->link_up); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3895 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3896 | break; |
| 3897 | } |
| 3898 | |
| 3899 | case CMAS_AUTHENTICATED:{ |
| 3900 | if (priv-> |
| 3901 | status & (STATUS_ASSOCIATED | |
| 3902 | STATUS_AUTH)) { |
| 3903 | #ifdef CONFIG_IPW_DEBUG |
| 3904 | struct notif_authenticate *auth |
| 3905 | = ¬if->u.auth; |
| 3906 | IPW_DEBUG(IPW_DL_NOTIF | |
| 3907 | IPW_DL_STATE | |
| 3908 | IPW_DL_ASSOC, |
| 3909 | "deauthenticated: '%s' " |
| 3910 | MAC_FMT |
| 3911 | ": (0x%04X) - %s \n", |
| 3912 | escape_essid(priv-> |
| 3913 | essid, |
| 3914 | priv-> |
| 3915 | essid_len), |
| 3916 | MAC_ARG(priv->bssid), |
| 3917 | ntohs(auth->status), |
| 3918 | ipw_get_status_code |
| 3919 | (ntohs |
| 3920 | (auth->status))); |
| 3921 | #endif |
| 3922 | |
| 3923 | priv->status &= |
| 3924 | ~(STATUS_ASSOCIATING | |
| 3925 | STATUS_AUTH | |
| 3926 | STATUS_ASSOCIATED); |
| 3927 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3928 | schedule_work(&priv->link_down); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3929 | break; |
| 3930 | } |
| 3931 | |
| 3932 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 3933 | IPW_DL_ASSOC, |
| 3934 | "authenticated: '%s' " MAC_FMT |
| 3935 | "\n", |
| 3936 | escape_essid(priv->essid, |
| 3937 | priv->essid_len), |
| 3938 | MAC_ARG(priv->bssid)); |
| 3939 | break; |
| 3940 | } |
| 3941 | |
| 3942 | case CMAS_INIT:{ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 3943 | if (priv->status & STATUS_AUTH) { |
| 3944 | struct |
| 3945 | ieee80211_assoc_response |
| 3946 | *resp; |
| 3947 | resp = |
| 3948 | (struct |
| 3949 | ieee80211_assoc_response |
| 3950 | *)¬if->u.raw; |
| 3951 | IPW_DEBUG(IPW_DL_NOTIF | |
| 3952 | IPW_DL_STATE | |
| 3953 | IPW_DL_ASSOC, |
| 3954 | "association failed (0x%04X): %s\n", |
| 3955 | ntohs(resp->status), |
| 3956 | ipw_get_status_code |
| 3957 | (ntohs |
| 3958 | (resp->status))); |
| 3959 | } |
| 3960 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3961 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 3962 | IPW_DL_ASSOC, |
| 3963 | "disassociated: '%s' " MAC_FMT |
| 3964 | " \n", |
| 3965 | escape_essid(priv->essid, |
| 3966 | priv->essid_len), |
| 3967 | MAC_ARG(priv->bssid)); |
| 3968 | |
| 3969 | priv->status &= |
| 3970 | ~(STATUS_DISASSOCIATING | |
| 3971 | STATUS_ASSOCIATING | |
| 3972 | STATUS_ASSOCIATED | STATUS_AUTH); |
| 3973 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 3974 | schedule_work(&priv->link_down); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3975 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3976 | break; |
| 3977 | } |
| 3978 | |
| 3979 | default: |
| 3980 | IPW_ERROR("assoc: unknown (%d)\n", |
| 3981 | assoc->state); |
| 3982 | break; |
| 3983 | } |
| 3984 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 3985 | break; |
| 3986 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 3987 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 3988 | case HOST_NOTIFICATION_STATUS_AUTHENTICATE:{ |
| 3989 | struct notif_authenticate *auth = ¬if->u.auth; |
| 3990 | switch (auth->state) { |
| 3991 | case CMAS_AUTHENTICATED: |
| 3992 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE, |
| 3993 | "authenticated: '%s' " MAC_FMT " \n", |
| 3994 | escape_essid(priv->essid, |
| 3995 | priv->essid_len), |
| 3996 | MAC_ARG(priv->bssid)); |
| 3997 | priv->status |= STATUS_AUTH; |
| 3998 | break; |
| 3999 | |
| 4000 | case CMAS_INIT: |
| 4001 | if (priv->status & STATUS_AUTH) { |
| 4002 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4003 | IPW_DL_ASSOC, |
| 4004 | "authentication failed (0x%04X): %s\n", |
| 4005 | ntohs(auth->status), |
| 4006 | ipw_get_status_code(ntohs |
| 4007 | (auth-> |
| 4008 | status))); |
| 4009 | } |
| 4010 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4011 | IPW_DL_ASSOC, |
| 4012 | "deauthenticated: '%s' " MAC_FMT "\n", |
| 4013 | escape_essid(priv->essid, |
| 4014 | priv->essid_len), |
| 4015 | MAC_ARG(priv->bssid)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4016 | |
| 4017 | priv->status &= ~(STATUS_ASSOCIATING | |
| 4018 | STATUS_AUTH | |
| 4019 | STATUS_ASSOCIATED); |
| 4020 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4021 | schedule_work(&priv->link_down); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4022 | break; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4023 | |
| 4024 | case CMAS_TX_AUTH_SEQ_1: |
| 4025 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4026 | IPW_DL_ASSOC, "AUTH_SEQ_1\n"); |
| 4027 | break; |
| 4028 | case CMAS_RX_AUTH_SEQ_2: |
| 4029 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4030 | IPW_DL_ASSOC, "AUTH_SEQ_2\n"); |
| 4031 | break; |
| 4032 | case CMAS_AUTH_SEQ_1_PASS: |
| 4033 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4034 | IPW_DL_ASSOC, "AUTH_SEQ_1_PASS\n"); |
| 4035 | break; |
| 4036 | case CMAS_AUTH_SEQ_1_FAIL: |
| 4037 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4038 | IPW_DL_ASSOC, "AUTH_SEQ_1_FAIL\n"); |
| 4039 | break; |
| 4040 | case CMAS_TX_AUTH_SEQ_3: |
| 4041 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4042 | IPW_DL_ASSOC, "AUTH_SEQ_3\n"); |
| 4043 | break; |
| 4044 | case CMAS_RX_AUTH_SEQ_4: |
| 4045 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4046 | IPW_DL_ASSOC, "RX_AUTH_SEQ_4\n"); |
| 4047 | break; |
| 4048 | case CMAS_AUTH_SEQ_2_PASS: |
| 4049 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4050 | IPW_DL_ASSOC, "AUTH_SEQ_2_PASS\n"); |
| 4051 | break; |
| 4052 | case CMAS_AUTH_SEQ_2_FAIL: |
| 4053 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4054 | IPW_DL_ASSOC, "AUT_SEQ_2_FAIL\n"); |
| 4055 | break; |
| 4056 | case CMAS_TX_ASSOC: |
| 4057 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4058 | IPW_DL_ASSOC, "TX_ASSOC\n"); |
| 4059 | break; |
| 4060 | case CMAS_RX_ASSOC_RESP: |
| 4061 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4062 | IPW_DL_ASSOC, "RX_ASSOC_RESP\n"); |
| 4063 | break; |
| 4064 | case CMAS_ASSOCIATED: |
| 4065 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | |
| 4066 | IPW_DL_ASSOC, "ASSOCIATED\n"); |
| 4067 | break; |
| 4068 | default: |
| 4069 | IPW_DEBUG_NOTIF("auth: failure - %d\n", |
| 4070 | auth->state); |
| 4071 | break; |
| 4072 | } |
| 4073 | break; |
| 4074 | } |
| 4075 | |
| 4076 | case HOST_NOTIFICATION_STATUS_SCAN_CHANNEL_RESULT:{ |
| 4077 | struct notif_channel_result *x = |
| 4078 | ¬if->u.channel_result; |
| 4079 | |
| 4080 | if (notif->size == sizeof(*x)) { |
| 4081 | IPW_DEBUG_SCAN("Scan result for channel %d\n", |
| 4082 | x->channel_num); |
| 4083 | } else { |
| 4084 | IPW_DEBUG_SCAN("Scan result of wrong size %d " |
| 4085 | "(should be %zd)\n", |
| 4086 | notif->size, sizeof(*x)); |
| 4087 | } |
| 4088 | break; |
| 4089 | } |
| 4090 | |
| 4091 | case HOST_NOTIFICATION_STATUS_SCAN_COMPLETED:{ |
| 4092 | struct notif_scan_complete *x = ¬if->u.scan_complete; |
| 4093 | if (notif->size == sizeof(*x)) { |
| 4094 | IPW_DEBUG_SCAN |
| 4095 | ("Scan completed: type %d, %d channels, " |
| 4096 | "%d status\n", x->scan_type, |
| 4097 | x->num_channels, x->status); |
| 4098 | } else { |
| 4099 | IPW_ERROR("Scan completed of wrong size %d " |
| 4100 | "(should be %zd)\n", |
| 4101 | notif->size, sizeof(*x)); |
| 4102 | } |
| 4103 | |
| 4104 | priv->status &= |
| 4105 | ~(STATUS_SCANNING | STATUS_SCAN_ABORTING); |
| 4106 | |
| 4107 | cancel_delayed_work(&priv->scan_check); |
| 4108 | |
| 4109 | if (!(priv->status & (STATUS_ASSOCIATED | |
| 4110 | STATUS_ASSOCIATING | |
| 4111 | STATUS_ROAMING | |
| 4112 | STATUS_DISASSOCIATING))) |
| 4113 | queue_work(priv->workqueue, &priv->associate); |
| 4114 | else if (priv->status & STATUS_ROAMING) { |
| 4115 | /* If a scan completed and we are in roam mode, then |
| 4116 | * the scan that completed was the one requested as a |
| 4117 | * result of entering roam... so, schedule the |
| 4118 | * roam work */ |
| 4119 | queue_work(priv->workqueue, &priv->roam); |
| 4120 | } else if (priv->status & STATUS_SCAN_PENDING) |
| 4121 | queue_work(priv->workqueue, |
| 4122 | &priv->request_scan); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4123 | else if (priv->config & CFG_BACKGROUND_SCAN |
| 4124 | && priv->status & STATUS_ASSOCIATED) |
| 4125 | queue_delayed_work(priv->workqueue, |
| 4126 | &priv->request_scan, HZ); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4127 | |
| 4128 | priv->ieee->scans++; |
| 4129 | break; |
| 4130 | } |
| 4131 | |
| 4132 | case HOST_NOTIFICATION_STATUS_FRAG_LENGTH:{ |
| 4133 | struct notif_frag_length *x = ¬if->u.frag_len; |
| 4134 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4135 | if (notif->size == sizeof(*x)) |
| 4136 | IPW_ERROR("Frag length: %d\n", |
| 4137 | le16_to_cpu(x->frag_length)); |
| 4138 | else |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4139 | IPW_ERROR("Frag length of wrong size %d " |
| 4140 | "(should be %zd)\n", |
| 4141 | notif->size, sizeof(*x)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4142 | break; |
| 4143 | } |
| 4144 | |
| 4145 | case HOST_NOTIFICATION_STATUS_LINK_DETERIORATION:{ |
| 4146 | struct notif_link_deterioration *x = |
| 4147 | ¬if->u.link_deterioration; |
| 4148 | if (notif->size == sizeof(*x)) { |
| 4149 | IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE, |
| 4150 | "link deterioration: '%s' " MAC_FMT |
| 4151 | " \n", escape_essid(priv->essid, |
| 4152 | priv->essid_len), |
| 4153 | MAC_ARG(priv->bssid)); |
| 4154 | memcpy(&priv->last_link_deterioration, x, |
| 4155 | sizeof(*x)); |
| 4156 | } else { |
| 4157 | IPW_ERROR("Link Deterioration of wrong size %d " |
| 4158 | "(should be %zd)\n", |
| 4159 | notif->size, sizeof(*x)); |
| 4160 | } |
| 4161 | break; |
| 4162 | } |
| 4163 | |
| 4164 | case HOST_NOTIFICATION_DINO_CONFIG_RESPONSE:{ |
| 4165 | IPW_ERROR("Dino config\n"); |
| 4166 | if (priv->hcmd |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4167 | && priv->hcmd->cmd != HOST_CMD_DINO_CONFIG) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4168 | IPW_ERROR("Unexpected DINO_CONFIG_RESPONSE\n"); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4169 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4170 | break; |
| 4171 | } |
| 4172 | |
| 4173 | case HOST_NOTIFICATION_STATUS_BEACON_STATE:{ |
| 4174 | struct notif_beacon_state *x = ¬if->u.beacon_state; |
| 4175 | if (notif->size != sizeof(*x)) { |
| 4176 | IPW_ERROR |
| 4177 | ("Beacon state of wrong size %d (should " |
| 4178 | "be %zd)\n", notif->size, sizeof(*x)); |
| 4179 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4180 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4181 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4182 | if (le32_to_cpu(x->state) == |
| 4183 | HOST_NOTIFICATION_STATUS_BEACON_MISSING) |
| 4184 | ipw_handle_missed_beacon(priv, |
| 4185 | le32_to_cpu(x-> |
| 4186 | number)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4187 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4188 | break; |
| 4189 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4190 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4191 | case HOST_NOTIFICATION_STATUS_TGI_TX_KEY:{ |
| 4192 | struct notif_tgi_tx_key *x = ¬if->u.tgi_tx_key; |
| 4193 | if (notif->size == sizeof(*x)) { |
| 4194 | IPW_ERROR("TGi Tx Key: state 0x%02x sec type " |
| 4195 | "0x%02x station %d\n", |
| 4196 | x->key_state, x->security_type, |
| 4197 | x->station_index); |
| 4198 | break; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4199 | } |
| 4200 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4201 | IPW_ERROR |
| 4202 | ("TGi Tx Key of wrong size %d (should be %zd)\n", |
| 4203 | notif->size, sizeof(*x)); |
| 4204 | break; |
| 4205 | } |
| 4206 | |
| 4207 | case HOST_NOTIFICATION_CALIB_KEEP_RESULTS:{ |
| 4208 | struct notif_calibration *x = ¬if->u.calibration; |
| 4209 | |
| 4210 | if (notif->size == sizeof(*x)) { |
| 4211 | memcpy(&priv->calib, x, sizeof(*x)); |
| 4212 | IPW_DEBUG_INFO("TODO: Calibration\n"); |
| 4213 | break; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4214 | } |
| 4215 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4216 | IPW_ERROR |
| 4217 | ("Calibration of wrong size %d (should be %zd)\n", |
| 4218 | notif->size, sizeof(*x)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4219 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4220 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4221 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4222 | case HOST_NOTIFICATION_NOISE_STATS:{ |
| 4223 | if (notif->size == sizeof(u32)) { |
| 4224 | priv->last_noise = |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4225 | (u8) (le32_to_cpu(notif->u.noise.value) & |
| 4226 | 0xff); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4227 | average_add(&priv->average_noise, |
| 4228 | priv->last_noise); |
| 4229 | break; |
| 4230 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4231 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4232 | IPW_ERROR |
| 4233 | ("Noise stat is wrong size %d (should be %zd)\n", |
| 4234 | notif->size, sizeof(u32)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4235 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4236 | } |
| 4237 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4238 | default: |
| 4239 | IPW_ERROR("Unknown notification: " |
| 4240 | "subtype=%d,flags=0x%2x,size=%d\n", |
| 4241 | notif->subtype, notif->flags, notif->size); |
| 4242 | } |
| 4243 | } |
| 4244 | |
| 4245 | /** |
| 4246 | * Destroys all DMA structures and initialise them again |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4247 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4248 | * @param priv |
| 4249 | * @return error code |
| 4250 | */ |
| 4251 | static int ipw_queue_reset(struct ipw_priv *priv) |
| 4252 | { |
| 4253 | int rc = 0; |
| 4254 | /** @todo customize queue sizes */ |
| 4255 | int nTx = 64, nTxCmd = 8; |
| 4256 | ipw_tx_queue_free(priv); |
| 4257 | /* Tx CMD queue */ |
| 4258 | rc = ipw_queue_tx_init(priv, &priv->txq_cmd, nTxCmd, |
| 4259 | CX2_TX_CMD_QUEUE_READ_INDEX, |
| 4260 | CX2_TX_CMD_QUEUE_WRITE_INDEX, |
| 4261 | CX2_TX_CMD_QUEUE_BD_BASE, |
| 4262 | CX2_TX_CMD_QUEUE_BD_SIZE); |
| 4263 | if (rc) { |
| 4264 | IPW_ERROR("Tx Cmd queue init failed\n"); |
| 4265 | goto error; |
| 4266 | } |
| 4267 | /* Tx queue(s) */ |
| 4268 | rc = ipw_queue_tx_init(priv, &priv->txq[0], nTx, |
| 4269 | CX2_TX_QUEUE_0_READ_INDEX, |
| 4270 | CX2_TX_QUEUE_0_WRITE_INDEX, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4271 | CX2_TX_QUEUE_0_BD_BASE, CX2_TX_QUEUE_0_BD_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4272 | if (rc) { |
| 4273 | IPW_ERROR("Tx 0 queue init failed\n"); |
| 4274 | goto error; |
| 4275 | } |
| 4276 | rc = ipw_queue_tx_init(priv, &priv->txq[1], nTx, |
| 4277 | CX2_TX_QUEUE_1_READ_INDEX, |
| 4278 | CX2_TX_QUEUE_1_WRITE_INDEX, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4279 | CX2_TX_QUEUE_1_BD_BASE, CX2_TX_QUEUE_1_BD_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4280 | if (rc) { |
| 4281 | IPW_ERROR("Tx 1 queue init failed\n"); |
| 4282 | goto error; |
| 4283 | } |
| 4284 | rc = ipw_queue_tx_init(priv, &priv->txq[2], nTx, |
| 4285 | CX2_TX_QUEUE_2_READ_INDEX, |
| 4286 | CX2_TX_QUEUE_2_WRITE_INDEX, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4287 | CX2_TX_QUEUE_2_BD_BASE, CX2_TX_QUEUE_2_BD_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4288 | if (rc) { |
| 4289 | IPW_ERROR("Tx 2 queue init failed\n"); |
| 4290 | goto error; |
| 4291 | } |
| 4292 | rc = ipw_queue_tx_init(priv, &priv->txq[3], nTx, |
| 4293 | CX2_TX_QUEUE_3_READ_INDEX, |
| 4294 | CX2_TX_QUEUE_3_WRITE_INDEX, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4295 | CX2_TX_QUEUE_3_BD_BASE, CX2_TX_QUEUE_3_BD_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4296 | if (rc) { |
| 4297 | IPW_ERROR("Tx 3 queue init failed\n"); |
| 4298 | goto error; |
| 4299 | } |
| 4300 | /* statistics */ |
| 4301 | priv->rx_bufs_min = 0; |
| 4302 | priv->rx_pend_max = 0; |
| 4303 | return rc; |
| 4304 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4305 | error: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4306 | ipw_tx_queue_free(priv); |
| 4307 | return rc; |
| 4308 | } |
| 4309 | |
| 4310 | /** |
| 4311 | * Reclaim Tx queue entries no more used by NIC. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4312 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4313 | * When FW adwances 'R' index, all entries between old and |
| 4314 | * new 'R' index need to be reclaimed. As result, some free space |
| 4315 | * forms. If there is enough free space (> low mark), wake Tx queue. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4316 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4317 | * @note Need to protect against garbage in 'R' index |
| 4318 | * @param priv |
| 4319 | * @param txq |
| 4320 | * @param qindex |
| 4321 | * @return Number of used entries remains in the queue |
| 4322 | */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4323 | static int ipw_queue_tx_reclaim(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4324 | struct clx2_tx_queue *txq, int qindex) |
| 4325 | { |
| 4326 | u32 hw_tail; |
| 4327 | int used; |
| 4328 | struct clx2_queue *q = &txq->q; |
| 4329 | |
| 4330 | hw_tail = ipw_read32(priv, q->reg_r); |
| 4331 | if (hw_tail >= q->n_bd) { |
| 4332 | IPW_ERROR |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4333 | ("Read index for DMA queue (%d) is out of range [0-%d)\n", |
| 4334 | hw_tail, q->n_bd); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4335 | goto done; |
| 4336 | } |
| 4337 | for (; q->last_used != hw_tail; |
| 4338 | q->last_used = ipw_queue_inc_wrap(q->last_used, q->n_bd)) { |
| 4339 | ipw_queue_tx_free_tfd(priv, txq); |
| 4340 | priv->tx_packets++; |
| 4341 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4342 | done: |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4343 | if (ipw_queue_space(q) > q->low_mark && qindex >= 0) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4344 | __maybe_wake_tx(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4345 | used = q->first_empty - q->last_used; |
| 4346 | if (used < 0) |
| 4347 | used += q->n_bd; |
| 4348 | |
| 4349 | return used; |
| 4350 | } |
| 4351 | |
| 4352 | static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf, |
| 4353 | int len, int sync) |
| 4354 | { |
| 4355 | struct clx2_tx_queue *txq = &priv->txq_cmd; |
| 4356 | struct clx2_queue *q = &txq->q; |
| 4357 | struct tfd_frame *tfd; |
| 4358 | |
| 4359 | if (ipw_queue_space(q) < (sync ? 1 : 2)) { |
| 4360 | IPW_ERROR("No space for Tx\n"); |
| 4361 | return -EBUSY; |
| 4362 | } |
| 4363 | |
| 4364 | tfd = &txq->bd[q->first_empty]; |
| 4365 | txq->txb[q->first_empty] = NULL; |
| 4366 | |
| 4367 | memset(tfd, 0, sizeof(*tfd)); |
| 4368 | tfd->control_flags.message_type = TX_HOST_COMMAND_TYPE; |
| 4369 | tfd->control_flags.control_bits = TFD_NEED_IRQ_MASK; |
| 4370 | priv->hcmd_seq++; |
| 4371 | tfd->u.cmd.index = hcmd; |
| 4372 | tfd->u.cmd.length = len; |
| 4373 | memcpy(tfd->u.cmd.payload, buf, len); |
| 4374 | q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd); |
| 4375 | ipw_write32(priv, q->reg_w, q->first_empty); |
| 4376 | _ipw_read32(priv, 0x90); |
| 4377 | |
| 4378 | return 0; |
| 4379 | } |
| 4380 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4381 | /* |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4382 | * Rx theory of operation |
| 4383 | * |
| 4384 | * The host allocates 32 DMA target addresses and passes the host address |
| 4385 | * to the firmware at register CX2_RFDS_TABLE_LOWER + N * RFD_SIZE where N is |
| 4386 | * 0 to 31 |
| 4387 | * |
| 4388 | * Rx Queue Indexes |
| 4389 | * The host/firmware share two index registers for managing the Rx buffers. |
| 4390 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4391 | * The READ index maps to the first position that the firmware may be writing |
| 4392 | * to -- the driver can read up to (but not including) this position and get |
| 4393 | * good data. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4394 | * The READ index is managed by the firmware once the card is enabled. |
| 4395 | * |
| 4396 | * The WRITE index maps to the last position the driver has read from -- the |
| 4397 | * position preceding WRITE is the last slot the firmware can place a packet. |
| 4398 | * |
| 4399 | * The queue is empty (no good data) if WRITE = READ - 1, and is full if |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4400 | * WRITE = READ. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4401 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4402 | * During initialization the host sets up the READ queue position to the first |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4403 | * INDEX position, and WRITE to the last (READ - 1 wrapped) |
| 4404 | * |
| 4405 | * When the firmware places a packet in a buffer it will advance the READ index |
| 4406 | * and fire the RX interrupt. The driver can then query the READ index and |
| 4407 | * process as many packets as possible, moving the WRITE index forward as it |
| 4408 | * resets the Rx queue buffers with new memory. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4409 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4410 | * The management in the driver is as follows: |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4411 | * + A list of pre-allocated SKBs is stored in ipw->rxq->rx_free. When |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4412 | * ipw->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4413 | * to replensish the ipw->rxq->rx_free. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4414 | * + In ipw_rx_queue_replenish (scheduled) if 'processed' != 'read' then the |
| 4415 | * ipw->rxq is replenished and the READ INDEX is updated (updating the |
| 4416 | * 'processed' and 'read' driver indexes as well) |
| 4417 | * + A received packet is processed and handed to the kernel network stack, |
| 4418 | * detached from the ipw->rxq. The driver 'processed' index is updated. |
| 4419 | * + The Host/Firmware ipw->rxq is replenished at tasklet time from the rx_free |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4420 | * list. If there are no allocated buffers in ipw->rxq->rx_free, the READ |
| 4421 | * INDEX is not incremented and ipw->status(RX_STALLED) is set. If there |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4422 | * were enough free buffers and RX_STALLED is set it is cleared. |
| 4423 | * |
| 4424 | * |
| 4425 | * Driver sequence: |
| 4426 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4427 | * ipw_rx_queue_alloc() Allocates rx_free |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4428 | * ipw_rx_queue_replenish() Replenishes rx_free list from rx_used, and calls |
| 4429 | * ipw_rx_queue_restock |
| 4430 | * ipw_rx_queue_restock() Moves available buffers from rx_free into Rx |
| 4431 | * queue, updates firmware pointers, and updates |
| 4432 | * the WRITE index. If insufficient rx_free buffers |
| 4433 | * are available, schedules ipw_rx_queue_replenish |
| 4434 | * |
| 4435 | * -- enable interrupts -- |
| 4436 | * ISR - ipw_rx() Detach ipw_rx_mem_buffers from pool up to the |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4437 | * READ INDEX, detaching the SKB from the pool. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4438 | * Moves the packet buffer from queue to rx_used. |
| 4439 | * Calls ipw_rx_queue_restock to refill any empty |
| 4440 | * slots. |
| 4441 | * ... |
| 4442 | * |
| 4443 | */ |
| 4444 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4445 | /* |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4446 | * If there are slots in the RX queue that need to be restocked, |
| 4447 | * and we have free pre-allocated buffers, fill the ranks as much |
| 4448 | * as we can pulling from rx_free. |
| 4449 | * |
| 4450 | * This moves the 'write' index forward to catch up with 'processed', and |
| 4451 | * also updates the memory address in the firmware to reference the new |
| 4452 | * target buffer. |
| 4453 | */ |
| 4454 | static void ipw_rx_queue_restock(struct ipw_priv *priv) |
| 4455 | { |
| 4456 | struct ipw_rx_queue *rxq = priv->rxq; |
| 4457 | struct list_head *element; |
| 4458 | struct ipw_rx_mem_buffer *rxb; |
| 4459 | unsigned long flags; |
| 4460 | int write; |
| 4461 | |
| 4462 | spin_lock_irqsave(&rxq->lock, flags); |
| 4463 | write = rxq->write; |
| 4464 | while ((rxq->write != rxq->processed) && (rxq->free_count)) { |
| 4465 | element = rxq->rx_free.next; |
| 4466 | rxb = list_entry(element, struct ipw_rx_mem_buffer, list); |
| 4467 | list_del(element); |
| 4468 | |
| 4469 | ipw_write32(priv, CX2_RFDS_TABLE_LOWER + rxq->write * RFD_SIZE, |
| 4470 | rxb->dma_addr); |
| 4471 | rxq->queue[rxq->write] = rxb; |
| 4472 | rxq->write = (rxq->write + 1) % RX_QUEUE_SIZE; |
| 4473 | rxq->free_count--; |
| 4474 | } |
| 4475 | spin_unlock_irqrestore(&rxq->lock, flags); |
| 4476 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4477 | /* If the pre-allocated buffer pool is dropping low, schedule to |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4478 | * refill it */ |
| 4479 | if (rxq->free_count <= RX_LOW_WATERMARK) |
| 4480 | queue_work(priv->workqueue, &priv->rx_replenish); |
| 4481 | |
| 4482 | /* If we've added more space for the firmware to place data, tell it */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4483 | if (write != rxq->write) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4484 | ipw_write32(priv, CX2_RX_WRITE_INDEX, rxq->write); |
| 4485 | } |
| 4486 | |
| 4487 | /* |
| 4488 | * Move all used packet from rx_used to rx_free, allocating a new SKB for each. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4489 | * Also restock the Rx queue via ipw_rx_queue_restock. |
| 4490 | * |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4491 | * This is called as a scheduled work item (except for during intialization) |
| 4492 | */ |
| 4493 | static void ipw_rx_queue_replenish(void *data) |
| 4494 | { |
| 4495 | struct ipw_priv *priv = data; |
| 4496 | struct ipw_rx_queue *rxq = priv->rxq; |
| 4497 | struct list_head *element; |
| 4498 | struct ipw_rx_mem_buffer *rxb; |
| 4499 | unsigned long flags; |
| 4500 | |
| 4501 | spin_lock_irqsave(&rxq->lock, flags); |
| 4502 | while (!list_empty(&rxq->rx_used)) { |
| 4503 | element = rxq->rx_used.next; |
| 4504 | rxb = list_entry(element, struct ipw_rx_mem_buffer, list); |
| 4505 | rxb->skb = alloc_skb(CX2_RX_BUF_SIZE, GFP_ATOMIC); |
| 4506 | if (!rxb->skb) { |
| 4507 | printk(KERN_CRIT "%s: Can not allocate SKB buffers.\n", |
| 4508 | priv->net_dev->name); |
| 4509 | /* We don't reschedule replenish work here -- we will |
| 4510 | * call the restock method and if it still needs |
| 4511 | * more buffers it will schedule replenish */ |
| 4512 | break; |
| 4513 | } |
| 4514 | list_del(element); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4515 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4516 | rxb->rxb = (struct ipw_rx_buffer *)rxb->skb->data; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4517 | rxb->dma_addr = |
| 4518 | pci_map_single(priv->pci_dev, rxb->skb->data, |
| 4519 | CX2_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4520 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4521 | list_add_tail(&rxb->list, &rxq->rx_free); |
| 4522 | rxq->free_count++; |
| 4523 | } |
| 4524 | spin_unlock_irqrestore(&rxq->lock, flags); |
| 4525 | |
| 4526 | ipw_rx_queue_restock(priv); |
| 4527 | } |
| 4528 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 4529 | static void ipw_bg_rx_queue_replenish(void *data) |
| 4530 | { |
| 4531 | struct ipw_priv *priv = data; |
| 4532 | down(&priv->sem); |
| 4533 | ipw_rx_queue_replenish(data); |
| 4534 | up(&priv->sem); |
| 4535 | } |
| 4536 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4537 | /* Assumes that the skb field of the buffers in 'pool' is kept accurate. |
| 4538 | * If an SKB has been detached, the POOL needs to have it's SKB set to NULL |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4539 | * This free routine walks the list of POOL entries and if SKB is set to |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4540 | * non NULL it is unmapped and freed |
| 4541 | */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4542 | static void ipw_rx_queue_free(struct ipw_priv *priv, struct ipw_rx_queue *rxq) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4543 | { |
| 4544 | int i; |
| 4545 | |
| 4546 | if (!rxq) |
| 4547 | return; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4548 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4549 | for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { |
| 4550 | if (rxq->pool[i].skb != NULL) { |
| 4551 | pci_unmap_single(priv->pci_dev, rxq->pool[i].dma_addr, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4552 | CX2_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4553 | dev_kfree_skb(rxq->pool[i].skb); |
| 4554 | } |
| 4555 | } |
| 4556 | |
| 4557 | kfree(rxq); |
| 4558 | } |
| 4559 | |
| 4560 | static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv) |
| 4561 | { |
| 4562 | struct ipw_rx_queue *rxq; |
| 4563 | int i; |
| 4564 | |
| 4565 | rxq = (struct ipw_rx_queue *)kmalloc(sizeof(*rxq), GFP_KERNEL); |
Panagiotis Issaris | ad18b0e | 2005-09-05 04:14:10 +0200 | [diff] [blame] | 4566 | if (unlikely(!rxq)) { |
| 4567 | IPW_ERROR("memory allocation failed\n"); |
| 4568 | return NULL; |
| 4569 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4570 | memset(rxq, 0, sizeof(*rxq)); |
| 4571 | spin_lock_init(&rxq->lock); |
| 4572 | INIT_LIST_HEAD(&rxq->rx_free); |
| 4573 | INIT_LIST_HEAD(&rxq->rx_used); |
| 4574 | |
| 4575 | /* Fill the rx_used queue with _all_ of the Rx buffers */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4576 | for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4577 | list_add_tail(&rxq->pool[i].list, &rxq->rx_used); |
| 4578 | |
| 4579 | /* Set us so that we have processed and used all buffers, but have |
| 4580 | * not restocked the Rx queue with fresh buffers */ |
| 4581 | rxq->read = rxq->write = 0; |
| 4582 | rxq->processed = RX_QUEUE_SIZE - 1; |
| 4583 | rxq->free_count = 0; |
| 4584 | |
| 4585 | return rxq; |
| 4586 | } |
| 4587 | |
| 4588 | static int ipw_is_rate_in_mask(struct ipw_priv *priv, int ieee_mode, u8 rate) |
| 4589 | { |
| 4590 | rate &= ~IEEE80211_BASIC_RATE_MASK; |
| 4591 | if (ieee_mode == IEEE_A) { |
| 4592 | switch (rate) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4593 | case IEEE80211_OFDM_RATE_6MB: |
| 4594 | return priv->rates_mask & IEEE80211_OFDM_RATE_6MB_MASK ? |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4595 | 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4596 | case IEEE80211_OFDM_RATE_9MB: |
| 4597 | return priv->rates_mask & IEEE80211_OFDM_RATE_9MB_MASK ? |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4598 | 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4599 | case IEEE80211_OFDM_RATE_12MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4600 | return priv-> |
| 4601 | rates_mask & IEEE80211_OFDM_RATE_12MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4602 | case IEEE80211_OFDM_RATE_18MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4603 | return priv-> |
| 4604 | rates_mask & IEEE80211_OFDM_RATE_18MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4605 | case IEEE80211_OFDM_RATE_24MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4606 | return priv-> |
| 4607 | rates_mask & IEEE80211_OFDM_RATE_24MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4608 | case IEEE80211_OFDM_RATE_36MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4609 | return priv-> |
| 4610 | rates_mask & IEEE80211_OFDM_RATE_36MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4611 | case IEEE80211_OFDM_RATE_48MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4612 | return priv-> |
| 4613 | rates_mask & IEEE80211_OFDM_RATE_48MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4614 | case IEEE80211_OFDM_RATE_54MB: |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4615 | return priv-> |
| 4616 | rates_mask & IEEE80211_OFDM_RATE_54MB_MASK ? 1 : 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4617 | default: |
| 4618 | return 0; |
| 4619 | } |
| 4620 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4621 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4622 | /* B and G mixed */ |
| 4623 | switch (rate) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4624 | case IEEE80211_CCK_RATE_1MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4625 | return priv->rates_mask & IEEE80211_CCK_RATE_1MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4626 | case IEEE80211_CCK_RATE_2MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4627 | return priv->rates_mask & IEEE80211_CCK_RATE_2MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4628 | case IEEE80211_CCK_RATE_5MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4629 | return priv->rates_mask & IEEE80211_CCK_RATE_5MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4630 | case IEEE80211_CCK_RATE_11MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4631 | return priv->rates_mask & IEEE80211_CCK_RATE_11MB_MASK ? 1 : 0; |
| 4632 | } |
| 4633 | |
| 4634 | /* If we are limited to B modulations, bail at this point */ |
| 4635 | if (ieee_mode == IEEE_B) |
| 4636 | return 0; |
| 4637 | |
| 4638 | /* G */ |
| 4639 | switch (rate) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4640 | case IEEE80211_OFDM_RATE_6MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4641 | return priv->rates_mask & IEEE80211_OFDM_RATE_6MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4642 | case IEEE80211_OFDM_RATE_9MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4643 | return priv->rates_mask & IEEE80211_OFDM_RATE_9MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4644 | case IEEE80211_OFDM_RATE_12MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4645 | return priv->rates_mask & IEEE80211_OFDM_RATE_12MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4646 | case IEEE80211_OFDM_RATE_18MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4647 | return priv->rates_mask & IEEE80211_OFDM_RATE_18MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4648 | case IEEE80211_OFDM_RATE_24MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4649 | return priv->rates_mask & IEEE80211_OFDM_RATE_24MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4650 | case IEEE80211_OFDM_RATE_36MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4651 | return priv->rates_mask & IEEE80211_OFDM_RATE_36MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4652 | case IEEE80211_OFDM_RATE_48MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4653 | return priv->rates_mask & IEEE80211_OFDM_RATE_48MB_MASK ? 1 : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4654 | case IEEE80211_OFDM_RATE_54MB: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4655 | return priv->rates_mask & IEEE80211_OFDM_RATE_54MB_MASK ? 1 : 0; |
| 4656 | } |
| 4657 | |
| 4658 | return 0; |
| 4659 | } |
| 4660 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4661 | static int ipw_compatible_rates(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4662 | const struct ieee80211_network *network, |
| 4663 | struct ipw_supported_rates *rates) |
| 4664 | { |
| 4665 | int num_rates, i; |
| 4666 | |
| 4667 | memset(rates, 0, sizeof(*rates)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4668 | num_rates = min(network->rates_len, (u8) IPW_MAX_RATES); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4669 | rates->num_rates = 0; |
| 4670 | for (i = 0; i < num_rates; i++) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4671 | if (!ipw_is_rate_in_mask(priv, network->mode, |
| 4672 | network->rates[i])) { |
| 4673 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 4674 | if (network->rates[i] & IEEE80211_BASIC_RATE_MASK) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4675 | IPW_DEBUG_SCAN("Adding masked mandatory " |
| 4676 | "rate %02X\n", |
| 4677 | network->rates[i]); |
| 4678 | rates->supported_rates[rates->num_rates++] = |
| 4679 | network->rates[i]; |
| 4680 | continue; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 4681 | } |
| 4682 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4683 | IPW_DEBUG_SCAN("Rate %02X masked : 0x%08X\n", |
| 4684 | network->rates[i], priv->rates_mask); |
| 4685 | continue; |
| 4686 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4687 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4688 | rates->supported_rates[rates->num_rates++] = network->rates[i]; |
| 4689 | } |
| 4690 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4691 | num_rates = min(network->rates_ex_len, |
| 4692 | (u8) (IPW_MAX_RATES - num_rates)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4693 | for (i = 0; i < num_rates; i++) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4694 | if (!ipw_is_rate_in_mask(priv, network->mode, |
| 4695 | network->rates_ex[i])) { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 4696 | if (network->rates_ex[i] & IEEE80211_BASIC_RATE_MASK) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 4697 | IPW_DEBUG_SCAN("Adding masked mandatory " |
| 4698 | "rate %02X\n", |
| 4699 | network->rates_ex[i]); |
| 4700 | rates->supported_rates[rates->num_rates++] = |
| 4701 | network->rates[i]; |
| 4702 | continue; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 4703 | } |
| 4704 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4705 | IPW_DEBUG_SCAN("Rate %02X masked : 0x%08X\n", |
| 4706 | network->rates_ex[i], priv->rates_mask); |
| 4707 | continue; |
| 4708 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4709 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4710 | rates->supported_rates[rates->num_rates++] = |
| 4711 | network->rates_ex[i]; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4712 | } |
| 4713 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 4714 | return 1; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4715 | } |
| 4716 | |
| 4717 | static inline void ipw_copy_rates(struct ipw_supported_rates *dest, |
| 4718 | const struct ipw_supported_rates *src) |
| 4719 | { |
| 4720 | u8 i; |
| 4721 | for (i = 0; i < src->num_rates; i++) |
| 4722 | dest->supported_rates[i] = src->supported_rates[i]; |
| 4723 | dest->num_rates = src->num_rates; |
| 4724 | } |
| 4725 | |
| 4726 | /* TODO: Look at sniffed packets in the air to determine if the basic rate |
| 4727 | * mask should ever be used -- right now all callers to add the scan rates are |
| 4728 | * set with the modulation = CCK, so BASIC_RATE_MASK is never set... */ |
| 4729 | static void ipw_add_cck_scan_rates(struct ipw_supported_rates *rates, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4730 | u8 modulation, u32 rate_mask) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4731 | { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4732 | u8 basic_mask = (IEEE80211_OFDM_MODULATION == modulation) ? |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4733 | IEEE80211_BASIC_RATE_MASK : 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4734 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4735 | if (rate_mask & IEEE80211_CCK_RATE_1MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4736 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4737 | IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4738 | |
| 4739 | if (rate_mask & IEEE80211_CCK_RATE_2MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4740 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4741 | IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4742 | |
| 4743 | if (rate_mask & IEEE80211_CCK_RATE_5MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4744 | rates->supported_rates[rates->num_rates++] = basic_mask | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4745 | IEEE80211_CCK_RATE_5MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4746 | |
| 4747 | if (rate_mask & IEEE80211_CCK_RATE_11MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4748 | rates->supported_rates[rates->num_rates++] = basic_mask | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4749 | IEEE80211_CCK_RATE_11MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4750 | } |
| 4751 | |
| 4752 | static void ipw_add_ofdm_scan_rates(struct ipw_supported_rates *rates, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4753 | u8 modulation, u32 rate_mask) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4754 | { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4755 | u8 basic_mask = (IEEE80211_OFDM_MODULATION == modulation) ? |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4756 | IEEE80211_BASIC_RATE_MASK : 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4757 | |
| 4758 | if (rate_mask & IEEE80211_OFDM_RATE_6MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4759 | rates->supported_rates[rates->num_rates++] = basic_mask | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4760 | IEEE80211_OFDM_RATE_6MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4761 | |
| 4762 | if (rate_mask & IEEE80211_OFDM_RATE_9MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4763 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4764 | IEEE80211_OFDM_RATE_9MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4765 | |
| 4766 | if (rate_mask & IEEE80211_OFDM_RATE_12MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4767 | rates->supported_rates[rates->num_rates++] = basic_mask | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4768 | IEEE80211_OFDM_RATE_12MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4769 | |
| 4770 | if (rate_mask & IEEE80211_OFDM_RATE_18MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4771 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4772 | IEEE80211_OFDM_RATE_18MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4773 | |
| 4774 | if (rate_mask & IEEE80211_OFDM_RATE_24MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4775 | rates->supported_rates[rates->num_rates++] = basic_mask | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4776 | IEEE80211_OFDM_RATE_24MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4777 | |
| 4778 | if (rate_mask & IEEE80211_OFDM_RATE_36MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4779 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4780 | IEEE80211_OFDM_RATE_36MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4781 | |
| 4782 | if (rate_mask & IEEE80211_OFDM_RATE_48MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4783 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4784 | IEEE80211_OFDM_RATE_48MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4785 | |
| 4786 | if (rate_mask & IEEE80211_OFDM_RATE_54MB_MASK) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 4787 | rates->supported_rates[rates->num_rates++] = |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 4788 | IEEE80211_OFDM_RATE_54MB; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 4789 | } |
| 4790 | |
| 4791 | struct ipw_network_match { |
| 4792 | struct ieee80211_network *network; |
| 4793 | struct ipw_supported_rates rates; |
| 4794 | }; |
| 4795 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 4796 | static int ipw_find_adhoc_network(struct ipw_priv *priv, |
| 4797 | struct ipw_network_match *match, |
| 4798 | struct ieee80211_network *network, |
| 4799 | int roaming) |
| 4800 | { |
| 4801 | struct ipw_supported_rates rates; |
| 4802 | |
| 4803 | /* Verify that this network's capability is compatible with the |
| 4804 | * current mode (AdHoc or Infrastructure) */ |
| 4805 | if ((priv->ieee->iw_mode == IW_MODE_ADHOC && |
| 4806 | !(network->capability & WLAN_CAPABILITY_IBSS))) { |
| 4807 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded due to " |
| 4808 | "capability mismatch.\n", |
| 4809 | escape_essid(network->ssid, network->ssid_len), |
| 4810 | MAC_ARG(network->bssid)); |
| 4811 | return 0; |
| 4812 | } |
| 4813 | |
| 4814 | /* If we do not have an ESSID for this AP, we can not associate with |
| 4815 | * it */ |
| 4816 | if (network->flags & NETWORK_EMPTY_ESSID) { |
| 4817 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4818 | "because of hidden ESSID.\n", |
| 4819 | escape_essid(network->ssid, network->ssid_len), |
| 4820 | MAC_ARG(network->bssid)); |
| 4821 | return 0; |
| 4822 | } |
| 4823 | |
| 4824 | if (unlikely(roaming)) { |
| 4825 | /* If we are roaming, then ensure check if this is a valid |
| 4826 | * network to try and roam to */ |
| 4827 | if ((network->ssid_len != match->network->ssid_len) || |
| 4828 | memcmp(network->ssid, match->network->ssid, |
| 4829 | network->ssid_len)) { |
| 4830 | IPW_DEBUG_MERGE("Netowrk '%s (" MAC_FMT ")' excluded " |
| 4831 | "because of non-network ESSID.\n", |
| 4832 | escape_essid(network->ssid, |
| 4833 | network->ssid_len), |
| 4834 | MAC_ARG(network->bssid)); |
| 4835 | return 0; |
| 4836 | } |
| 4837 | } else { |
| 4838 | /* If an ESSID has been configured then compare the broadcast |
| 4839 | * ESSID to ours */ |
| 4840 | if ((priv->config & CFG_STATIC_ESSID) && |
| 4841 | ((network->ssid_len != priv->essid_len) || |
| 4842 | memcmp(network->ssid, priv->essid, |
| 4843 | min(network->ssid_len, priv->essid_len)))) { |
| 4844 | char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; |
| 4845 | strncpy(escaped, |
| 4846 | escape_essid(network->ssid, network->ssid_len), |
| 4847 | sizeof(escaped)); |
| 4848 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4849 | "because of ESSID mismatch: '%s'.\n", |
| 4850 | escaped, MAC_ARG(network->bssid), |
| 4851 | escape_essid(priv->essid, |
| 4852 | priv->essid_len)); |
| 4853 | return 0; |
| 4854 | } |
| 4855 | } |
| 4856 | |
| 4857 | /* If the old network rate is better than this one, don't bother |
| 4858 | * testing everything else. */ |
| 4859 | |
| 4860 | if (network->time_stamp[0] < match->network->time_stamp[0]) { |
| 4861 | IPW_DEBUG_MERGE |
| 4862 | ("Network '%s excluded because newer than current network.\n", |
| 4863 | escape_essid(match->network->ssid, |
| 4864 | match->network->ssid_len)); |
| 4865 | return 0; |
| 4866 | } else if (network->time_stamp[1] < match->network->time_stamp[1]) { |
| 4867 | IPW_DEBUG_MERGE |
| 4868 | ("Network '%s excluded because newer than current network.\n", |
| 4869 | escape_essid(match->network->ssid, |
| 4870 | match->network->ssid_len)); |
| 4871 | return 0; |
| 4872 | } |
| 4873 | |
| 4874 | /* Now go through and see if the requested network is valid... */ |
| 4875 | if (priv->ieee->scan_age != 0 && |
| 4876 | time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) { |
| 4877 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4878 | "because of age: %lums.\n", |
| 4879 | escape_essid(network->ssid, network->ssid_len), |
| 4880 | MAC_ARG(network->bssid), |
| 4881 | (jiffies - network->last_scanned) / (HZ / 100)); |
| 4882 | return 0; |
| 4883 | } |
| 4884 | |
| 4885 | if ((priv->config & CFG_STATIC_CHANNEL) && |
| 4886 | (network->channel != priv->channel)) { |
| 4887 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4888 | "because of channel mismatch: %d != %d.\n", |
| 4889 | escape_essid(network->ssid, network->ssid_len), |
| 4890 | MAC_ARG(network->bssid), |
| 4891 | network->channel, priv->channel); |
| 4892 | return 0; |
| 4893 | } |
| 4894 | |
| 4895 | /* Verify privacy compatability */ |
| 4896 | if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) != |
| 4897 | ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) { |
| 4898 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4899 | "because of privacy mismatch: %s != %s.\n", |
| 4900 | escape_essid(network->ssid, network->ssid_len), |
| 4901 | MAC_ARG(network->bssid), |
| 4902 | priv->capability & CAP_PRIVACY_ON ? "on" : |
| 4903 | "off", |
| 4904 | network->capability & |
| 4905 | WLAN_CAPABILITY_PRIVACY ? "on" : "off"); |
| 4906 | return 0; |
| 4907 | } |
| 4908 | |
| 4909 | if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) { |
| 4910 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4911 | "because of the same BSSID match: " MAC_FMT |
| 4912 | ".\n", escape_essid(network->ssid, |
| 4913 | network->ssid_len), |
| 4914 | MAC_ARG(network->bssid), MAC_ARG(priv->bssid)); |
| 4915 | return 0; |
| 4916 | } |
| 4917 | |
| 4918 | /* Filter out any incompatible freq / mode combinations */ |
| 4919 | if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) { |
| 4920 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4921 | "because of invalid frequency/mode " |
| 4922 | "combination.\n", |
| 4923 | escape_essid(network->ssid, network->ssid_len), |
| 4924 | MAC_ARG(network->bssid)); |
| 4925 | return 0; |
| 4926 | } |
| 4927 | |
| 4928 | /* Ensure that the rates supported by the driver are compatible with |
| 4929 | * this AP, including verification of basic rates (mandatory) */ |
| 4930 | if (!ipw_compatible_rates(priv, network, &rates)) { |
| 4931 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4932 | "because configured rate mask excludes " |
| 4933 | "AP mandatory rate.\n", |
| 4934 | escape_essid(network->ssid, network->ssid_len), |
| 4935 | MAC_ARG(network->bssid)); |
| 4936 | return 0; |
| 4937 | } |
| 4938 | |
| 4939 | if (rates.num_rates == 0) { |
| 4940 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded " |
| 4941 | "because of no compatible rates.\n", |
| 4942 | escape_essid(network->ssid, network->ssid_len), |
| 4943 | MAC_ARG(network->bssid)); |
| 4944 | return 0; |
| 4945 | } |
| 4946 | |
| 4947 | /* TODO: Perform any further minimal comparititive tests. We do not |
| 4948 | * want to put too much policy logic here; intelligent scan selection |
| 4949 | * should occur within a generic IEEE 802.11 user space tool. */ |
| 4950 | |
| 4951 | /* Set up 'new' AP to this network */ |
| 4952 | ipw_copy_rates(&match->rates, &rates); |
| 4953 | match->network = network; |
| 4954 | IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' is a viable match.\n", |
| 4955 | escape_essid(network->ssid, network->ssid_len), |
| 4956 | MAC_ARG(network->bssid)); |
| 4957 | |
| 4958 | return 1; |
| 4959 | } |
| 4960 | |
| 4961 | static void ipw_merge_adhoc_network(void *data) |
| 4962 | { |
| 4963 | struct ipw_priv *priv = data; |
| 4964 | struct ieee80211_network *network = NULL; |
| 4965 | struct ipw_network_match match = { |
| 4966 | .network = priv->assoc_network |
| 4967 | }; |
| 4968 | |
| 4969 | if ((priv->status & STATUS_ASSOCIATED) |
| 4970 | && (priv->ieee->iw_mode == IW_MODE_ADHOC)) { |
| 4971 | /* First pass through ROAM process -- look for a better |
| 4972 | * network */ |
| 4973 | unsigned long flags; |
| 4974 | |
| 4975 | spin_lock_irqsave(&priv->ieee->lock, flags); |
| 4976 | list_for_each_entry(network, &priv->ieee->network_list, list) { |
| 4977 | if (network != priv->assoc_network) |
| 4978 | ipw_find_adhoc_network(priv, &match, network, |
| 4979 | 1); |
| 4980 | } |
| 4981 | spin_unlock_irqrestore(&priv->ieee->lock, flags); |
| 4982 | |
| 4983 | if (match.network == priv->assoc_network) { |
| 4984 | IPW_DEBUG_MERGE("No better ADHOC in this network to " |
| 4985 | "merge to.\n"); |
| 4986 | return; |
| 4987 | } |
| 4988 | |
| 4989 | down(&priv->sem); |
| 4990 | if ((priv->ieee->iw_mode == IW_MODE_ADHOC)) { |
| 4991 | IPW_DEBUG_MERGE("remove network %s\n", |
| 4992 | escape_essid(priv->essid, |
| 4993 | priv->essid_len)); |
| 4994 | ipw_remove_current_network(priv); |
| 4995 | } |
| 4996 | |
| 4997 | ipw_disassociate(priv); |
| 4998 | priv->assoc_network = match.network; |
| 4999 | up(&priv->sem); |
| 5000 | return; |
| 5001 | } |
| 5002 | |
| 5003 | } |
| 5004 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5005 | static int ipw_best_network(struct ipw_priv *priv, |
| 5006 | struct ipw_network_match *match, |
| 5007 | struct ieee80211_network *network, int roaming) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5008 | { |
| 5009 | struct ipw_supported_rates rates; |
| 5010 | |
| 5011 | /* Verify that this network's capability is compatible with the |
| 5012 | * current mode (AdHoc or Infrastructure) */ |
| 5013 | if ((priv->ieee->iw_mode == IW_MODE_INFRA && |
Jouni Malinen | 2474385 | 2005-08-14 20:59:59 -0700 | [diff] [blame] | 5014 | !(network->capability & WLAN_CAPABILITY_ESS)) || |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5015 | (priv->ieee->iw_mode == IW_MODE_ADHOC && |
| 5016 | !(network->capability & WLAN_CAPABILITY_IBSS))) { |
| 5017 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded due to " |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5018 | "capability mismatch.\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5019 | escape_essid(network->ssid, network->ssid_len), |
| 5020 | MAC_ARG(network->bssid)); |
| 5021 | return 0; |
| 5022 | } |
| 5023 | |
| 5024 | /* If we do not have an ESSID for this AP, we can not associate with |
| 5025 | * it */ |
| 5026 | if (network->flags & NETWORK_EMPTY_ESSID) { |
| 5027 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5028 | "because of hidden ESSID.\n", |
| 5029 | escape_essid(network->ssid, network->ssid_len), |
| 5030 | MAC_ARG(network->bssid)); |
| 5031 | return 0; |
| 5032 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5033 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5034 | if (unlikely(roaming)) { |
| 5035 | /* If we are roaming, then ensure check if this is a valid |
| 5036 | * network to try and roam to */ |
| 5037 | if ((network->ssid_len != match->network->ssid_len) || |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5038 | memcmp(network->ssid, match->network->ssid, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5039 | network->ssid_len)) { |
| 5040 | IPW_DEBUG_ASSOC("Netowrk '%s (" MAC_FMT ")' excluded " |
| 5041 | "because of non-network ESSID.\n", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5042 | escape_essid(network->ssid, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5043 | network->ssid_len), |
| 5044 | MAC_ARG(network->bssid)); |
| 5045 | return 0; |
| 5046 | } |
| 5047 | } else { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5048 | /* If an ESSID has been configured then compare the broadcast |
| 5049 | * ESSID to ours */ |
| 5050 | if ((priv->config & CFG_STATIC_ESSID) && |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5051 | ((network->ssid_len != priv->essid_len) || |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5052 | memcmp(network->ssid, priv->essid, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5053 | min(network->ssid_len, priv->essid_len)))) { |
| 5054 | char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5055 | strncpy(escaped, |
| 5056 | escape_essid(network->ssid, network->ssid_len), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5057 | sizeof(escaped)); |
| 5058 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5059 | "because of ESSID mismatch: '%s'.\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5060 | escaped, MAC_ARG(network->bssid), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5061 | escape_essid(priv->essid, |
| 5062 | priv->essid_len)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5063 | return 0; |
| 5064 | } |
| 5065 | } |
| 5066 | |
| 5067 | /* If the old network rate is better than this one, don't bother |
| 5068 | * testing everything else. */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5069 | if (match->network && match->network->stats.rssi > network->stats.rssi) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5070 | char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5071 | strncpy(escaped, |
| 5072 | escape_essid(network->ssid, network->ssid_len), |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5073 | sizeof(escaped)); |
| 5074 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded because " |
| 5075 | "'%s (" MAC_FMT ")' has a stronger signal.\n", |
| 5076 | escaped, MAC_ARG(network->bssid), |
| 5077 | escape_essid(match->network->ssid, |
| 5078 | match->network->ssid_len), |
| 5079 | MAC_ARG(match->network->bssid)); |
| 5080 | return 0; |
| 5081 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5082 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5083 | /* If this network has already had an association attempt within the |
| 5084 | * last 3 seconds, do not try and associate again... */ |
| 5085 | if (network->last_associate && |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5086 | time_after(network->last_associate + (HZ * 3UL), jiffies)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5087 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5088 | "because of storming (%lu since last " |
| 5089 | "assoc attempt).\n", |
| 5090 | escape_essid(network->ssid, network->ssid_len), |
| 5091 | MAC_ARG(network->bssid), |
| 5092 | (jiffies - network->last_associate) / HZ); |
| 5093 | return 0; |
| 5094 | } |
| 5095 | |
| 5096 | /* Now go through and see if the requested network is valid... */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5097 | if (priv->ieee->scan_age != 0 && |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5098 | time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5099 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5100 | "because of age: %lums.\n", |
| 5101 | escape_essid(network->ssid, network->ssid_len), |
| 5102 | MAC_ARG(network->bssid), |
| 5103 | (jiffies - network->last_scanned) / (HZ / 100)); |
| 5104 | return 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5105 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5106 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5107 | if ((priv->config & CFG_STATIC_CHANNEL) && |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5108 | (network->channel != priv->channel)) { |
| 5109 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5110 | "because of channel mismatch: %d != %d.\n", |
| 5111 | escape_essid(network->ssid, network->ssid_len), |
| 5112 | MAC_ARG(network->bssid), |
| 5113 | network->channel, priv->channel); |
| 5114 | return 0; |
| 5115 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5116 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5117 | /* Verify privacy compatability */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5118 | if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) != |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5119 | ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) { |
| 5120 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5121 | "because of privacy mismatch: %s != %s.\n", |
| 5122 | escape_essid(network->ssid, network->ssid_len), |
| 5123 | MAC_ARG(network->bssid), |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5124 | priv->capability & CAP_PRIVACY_ON ? "on" : |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5125 | "off", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5126 | network->capability & |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5127 | WLAN_CAPABILITY_PRIVACY ? "on" : "off"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5128 | return 0; |
| 5129 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5130 | |
| 5131 | if ((priv->config & CFG_STATIC_BSSID) && |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5132 | memcmp(network->bssid, priv->bssid, ETH_ALEN)) { |
| 5133 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5134 | "because of BSSID mismatch: " MAC_FMT ".\n", |
| 5135 | escape_essid(network->ssid, network->ssid_len), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5136 | MAC_ARG(network->bssid), MAC_ARG(priv->bssid)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5137 | return 0; |
| 5138 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5139 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5140 | /* Filter out any incompatible freq / mode combinations */ |
| 5141 | if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) { |
| 5142 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5143 | "because of invalid frequency/mode " |
| 5144 | "combination.\n", |
| 5145 | escape_essid(network->ssid, network->ssid_len), |
| 5146 | MAC_ARG(network->bssid)); |
| 5147 | return 0; |
| 5148 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5149 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5150 | /* Ensure that the rates supported by the driver are compatible with |
| 5151 | * this AP, including verification of basic rates (mandatory) */ |
| 5152 | if (!ipw_compatible_rates(priv, network, &rates)) { |
| 5153 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5154 | "because configured rate mask excludes " |
| 5155 | "AP mandatory rate.\n", |
| 5156 | escape_essid(network->ssid, network->ssid_len), |
| 5157 | MAC_ARG(network->bssid)); |
| 5158 | return 0; |
| 5159 | } |
| 5160 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5161 | if (rates.num_rates == 0) { |
| 5162 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded " |
| 5163 | "because of no compatible rates.\n", |
| 5164 | escape_essid(network->ssid, network->ssid_len), |
| 5165 | MAC_ARG(network->bssid)); |
| 5166 | return 0; |
| 5167 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5168 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5169 | /* TODO: Perform any further minimal comparititive tests. We do not |
| 5170 | * want to put too much policy logic here; intelligent scan selection |
| 5171 | * should occur within a generic IEEE 802.11 user space tool. */ |
| 5172 | |
| 5173 | /* Set up 'new' AP to this network */ |
| 5174 | ipw_copy_rates(&match->rates, &rates); |
| 5175 | match->network = network; |
| 5176 | |
| 5177 | IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' is a viable match.\n", |
| 5178 | escape_essid(network->ssid, network->ssid_len), |
| 5179 | MAC_ARG(network->bssid)); |
| 5180 | |
| 5181 | return 1; |
| 5182 | } |
| 5183 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5184 | static void ipw_adhoc_create(struct ipw_priv *priv, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5185 | struct ieee80211_network *network) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5186 | { |
| 5187 | /* |
| 5188 | * For the purposes of scanning, we can set our wireless mode |
| 5189 | * to trigger scans across combinations of bands, but when it |
| 5190 | * comes to creating a new ad-hoc network, we have tell the FW |
| 5191 | * exactly which band to use. |
| 5192 | * |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5193 | * We also have the possibility of an invalid channel for the |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5194 | * chossen band. Attempting to create a new ad-hoc network |
| 5195 | * with an invalid channel for wireless mode will trigger a |
| 5196 | * FW fatal error. |
| 5197 | */ |
| 5198 | network->mode = is_valid_channel(priv->ieee->mode, priv->channel); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5199 | if (!network->mode) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5200 | IPW_WARNING("Overriding invalid channel\n"); |
| 5201 | if (priv->ieee->mode & IEEE_A) { |
| 5202 | network->mode = IEEE_A; |
| 5203 | priv->channel = band_a_active_channel[0]; |
| 5204 | } else if (priv->ieee->mode & IEEE_G) { |
| 5205 | network->mode = IEEE_G; |
| 5206 | priv->channel = band_b_active_channel[0]; |
| 5207 | } else { |
| 5208 | network->mode = IEEE_B; |
| 5209 | priv->channel = band_b_active_channel[0]; |
| 5210 | } |
| 5211 | } |
| 5212 | |
| 5213 | network->channel = priv->channel; |
| 5214 | priv->config |= CFG_ADHOC_PERSIST; |
| 5215 | ipw_create_bssid(priv, network->bssid); |
| 5216 | network->ssid_len = priv->essid_len; |
| 5217 | memcpy(network->ssid, priv->essid, priv->essid_len); |
| 5218 | memset(&network->stats, 0, sizeof(network->stats)); |
| 5219 | network->capability = WLAN_CAPABILITY_IBSS; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5220 | if (!(priv->config & CFG_PREAMBLE_LONG)) |
| 5221 | network->capability |= WLAN_CAPABILITY_SHORT_PREAMBLE; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5222 | if (priv->capability & CAP_PRIVACY_ON) |
| 5223 | network->capability |= WLAN_CAPABILITY_PRIVACY; |
| 5224 | network->rates_len = min(priv->rates.num_rates, MAX_RATES_LENGTH); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5225 | memcpy(network->rates, priv->rates.supported_rates, network->rates_len); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5226 | network->rates_ex_len = priv->rates.num_rates - network->rates_len; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5227 | memcpy(network->rates_ex, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5228 | &priv->rates.supported_rates[network->rates_len], |
| 5229 | network->rates_ex_len); |
| 5230 | network->last_scanned = 0; |
| 5231 | network->flags = 0; |
| 5232 | network->last_associate = 0; |
| 5233 | network->time_stamp[0] = 0; |
| 5234 | network->time_stamp[1] = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5235 | network->beacon_interval = 100; /* Default */ |
| 5236 | network->listen_interval = 10; /* Default */ |
| 5237 | network->atim_window = 0; /* Default */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5238 | network->wpa_ie_len = 0; |
| 5239 | network->rsn_ie_len = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5240 | } |
| 5241 | |
| 5242 | static void ipw_send_wep_keys(struct ipw_priv *priv) |
| 5243 | { |
| 5244 | struct ipw_wep_key *key; |
| 5245 | int i; |
| 5246 | struct host_cmd cmd = { |
| 5247 | .cmd = IPW_CMD_WEP_KEY, |
| 5248 | .len = sizeof(*key) |
| 5249 | }; |
| 5250 | |
| 5251 | key = (struct ipw_wep_key *)&cmd.param; |
| 5252 | key->cmd_id = DINO_CMD_WEP_KEY; |
| 5253 | key->seq_num = 0; |
| 5254 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5255 | for (i = 0; i < 4; i++) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5256 | key->key_index = i; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5257 | if (!(priv->sec.flags & (1 << i))) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5258 | key->key_size = 0; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5259 | else { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5260 | key->key_size = priv->sec.key_sizes[i]; |
| 5261 | memcpy(key->key, priv->sec.keys[i], key->key_size); |
| 5262 | } |
| 5263 | |
| 5264 | if (ipw_send_cmd(priv, &cmd)) { |
| 5265 | IPW_ERROR("failed to send WEP_KEY command\n"); |
| 5266 | return; |
| 5267 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5268 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5269 | } |
| 5270 | |
| 5271 | static void ipw_adhoc_check(void *data) |
| 5272 | { |
| 5273 | struct ipw_priv *priv = data; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5274 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5275 | if (priv->missed_adhoc_beacons++ > priv->missed_beacon_threshold && |
| 5276 | !(priv->config & CFG_ADHOC_PERSIST)) { |
| 5277 | IPW_DEBUG_SCAN("Disassociating due to missed beacons\n"); |
| 5278 | ipw_remove_current_network(priv); |
| 5279 | ipw_disassociate(priv); |
| 5280 | return; |
| 5281 | } |
| 5282 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5283 | queue_delayed_work(priv->workqueue, &priv->adhoc_check, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5284 | priv->assoc_request.beacon_interval); |
| 5285 | } |
| 5286 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 5287 | static void ipw_bg_adhoc_check(void *data) |
| 5288 | { |
| 5289 | struct ipw_priv *priv = data; |
| 5290 | down(&priv->sem); |
| 5291 | ipw_adhoc_check(data); |
| 5292 | up(&priv->sem); |
| 5293 | } |
| 5294 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5295 | #ifdef CONFIG_IPW_DEBUG |
| 5296 | static void ipw_debug_config(struct ipw_priv *priv) |
| 5297 | { |
| 5298 | IPW_DEBUG_INFO("Scan completed, no valid APs matched " |
| 5299 | "[CFG 0x%08X]\n", priv->config); |
| 5300 | if (priv->config & CFG_STATIC_CHANNEL) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5301 | IPW_DEBUG_INFO("Channel locked to %d\n", priv->channel); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5302 | else |
| 5303 | IPW_DEBUG_INFO("Channel unlocked.\n"); |
| 5304 | if (priv->config & CFG_STATIC_ESSID) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5305 | IPW_DEBUG_INFO("ESSID locked to '%s'\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5306 | escape_essid(priv->essid, priv->essid_len)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5307 | else |
| 5308 | IPW_DEBUG_INFO("ESSID unlocked.\n"); |
| 5309 | if (priv->config & CFG_STATIC_BSSID) |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5310 | IPW_DEBUG_INFO("BSSID locked to " MAC_FMT "\n", |
| 5311 | MAC_ARG(priv->bssid)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5312 | else |
| 5313 | IPW_DEBUG_INFO("BSSID unlocked.\n"); |
| 5314 | if (priv->capability & CAP_PRIVACY_ON) |
| 5315 | IPW_DEBUG_INFO("PRIVACY on\n"); |
| 5316 | else |
| 5317 | IPW_DEBUG_INFO("PRIVACY off\n"); |
| 5318 | IPW_DEBUG_INFO("RATE MASK: 0x%08X\n", priv->rates_mask); |
| 5319 | } |
| 5320 | #else |
Jiri Benc | 8d45ff7 | 2005-08-25 20:09:39 -0400 | [diff] [blame] | 5321 | #define ipw_debug_config(x) do {} while (0) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5322 | #endif |
| 5323 | |
| 5324 | static inline void ipw_set_fixed_rate(struct ipw_priv *priv, |
| 5325 | struct ieee80211_network *network) |
| 5326 | { |
| 5327 | /* TODO: Verify that this works... */ |
| 5328 | struct ipw_fixed_rate fr = { |
| 5329 | .tx_rates = priv->rates_mask |
| 5330 | }; |
| 5331 | u32 reg; |
| 5332 | u16 mask = 0; |
| 5333 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5334 | /* Identify 'current FW band' and match it with the fixed |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5335 | * Tx rates */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5336 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5337 | switch (priv->ieee->freq_band) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5338 | case IEEE80211_52GHZ_BAND: /* A only */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5339 | /* IEEE_A */ |
| 5340 | if (priv->rates_mask & ~IEEE80211_OFDM_RATES_MASK) { |
| 5341 | /* Invalid fixed rate mask */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5342 | IPW_DEBUG_WX |
| 5343 | ("invalid fixed rate mask in ipw_set_fixed_rate\n"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5344 | fr.tx_rates = 0; |
| 5345 | break; |
| 5346 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5347 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5348 | fr.tx_rates >>= IEEE80211_OFDM_SHIFT_MASK_A; |
| 5349 | break; |
| 5350 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5351 | default: /* 2.4Ghz or Mixed */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5352 | /* IEEE_B */ |
| 5353 | if (network->mode == IEEE_B) { |
| 5354 | if (fr.tx_rates & ~IEEE80211_CCK_RATES_MASK) { |
| 5355 | /* Invalid fixed rate mask */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5356 | IPW_DEBUG_WX |
| 5357 | ("invalid fixed rate mask in ipw_set_fixed_rate\n"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5358 | fr.tx_rates = 0; |
| 5359 | } |
| 5360 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5361 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5362 | |
| 5363 | /* IEEE_G */ |
| 5364 | if (fr.tx_rates & ~(IEEE80211_CCK_RATES_MASK | |
| 5365 | IEEE80211_OFDM_RATES_MASK)) { |
| 5366 | /* Invalid fixed rate mask */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5367 | IPW_DEBUG_WX |
| 5368 | ("invalid fixed rate mask in ipw_set_fixed_rate\n"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5369 | fr.tx_rates = 0; |
| 5370 | break; |
| 5371 | } |
| 5372 | |
| 5373 | if (IEEE80211_OFDM_RATE_6MB_MASK & fr.tx_rates) { |
| 5374 | mask |= (IEEE80211_OFDM_RATE_6MB_MASK >> 1); |
| 5375 | fr.tx_rates &= ~IEEE80211_OFDM_RATE_6MB_MASK; |
| 5376 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5377 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5378 | if (IEEE80211_OFDM_RATE_9MB_MASK & fr.tx_rates) { |
| 5379 | mask |= (IEEE80211_OFDM_RATE_9MB_MASK >> 1); |
| 5380 | fr.tx_rates &= ~IEEE80211_OFDM_RATE_9MB_MASK; |
| 5381 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5382 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5383 | if (IEEE80211_OFDM_RATE_12MB_MASK & fr.tx_rates) { |
| 5384 | mask |= (IEEE80211_OFDM_RATE_12MB_MASK >> 1); |
| 5385 | fr.tx_rates &= ~IEEE80211_OFDM_RATE_12MB_MASK; |
| 5386 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 5387 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5388 | fr.tx_rates |= mask; |
| 5389 | break; |
| 5390 | } |
| 5391 | |
| 5392 | reg = ipw_read32(priv, IPW_MEM_FIXED_OVERRIDE); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 5393 | ipw_write_reg32(priv, reg, *(u32 *) & fr); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 5394 | } |
| 5395 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5396 | static void ipw_abort_scan(struct ipw_priv *priv) |
| 5397 | { |
| 5398 | int err; |
| 5399 | |
| 5400 | if (priv->status & STATUS_SCAN_ABORTING) { |
| 5401 | IPW_DEBUG_HC("Ignoring concurrent scan abort request.\n"); |
| 5402 | return; |
| 5403 | } |
| 5404 | priv->status |= STATUS_SCAN_ABORTING; |
| 5405 | |
| 5406 | err = ipw_send_scan_abort(priv); |
| 5407 | if (err) |
| 5408 | IPW_DEBUG_HC("Request to abort scan failed.\n"); |
| 5409 | } |
| 5410 | |
| 5411 | static int ipw_request_scan(struct ipw_priv *priv) |
| 5412 | { |
| 5413 | struct ipw_scan_request_ext scan; |
| 5414 | int channel_index = 0; |
| 5415 | int i, err, scan_type; |
| 5416 | |
| 5417 | if (priv->status & STATUS_EXIT_PENDING) { |
| 5418 | IPW_DEBUG_SCAN("Aborting scan due to device shutdown\n"); |
| 5419 | priv->status |= STATUS_SCAN_PENDING; |
| 5420 | return 0; |
| 5421 | } |
| 5422 | |
| 5423 | if (priv->status & STATUS_SCANNING) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5424 | IPW_DEBUG_HC("Concurrent scan requested. Ignoring.\n"); |
| 5425 | // IPW_DEBUG_HC("Concurrent scan requested. Aborting first.\n"); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5426 | priv->status |= STATUS_SCAN_PENDING; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5427 | // ipw_abort_scan(priv); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5428 | return 0; |
| 5429 | } |
| 5430 | |
| 5431 | if (priv->status & STATUS_SCAN_ABORTING) { |
| 5432 | IPW_DEBUG_HC("Scan request while abort pending. Queuing.\n"); |
| 5433 | priv->status |= STATUS_SCAN_PENDING; |
| 5434 | return 0; |
| 5435 | } |
| 5436 | |
| 5437 | if (priv->status & STATUS_RF_KILL_MASK) { |
| 5438 | IPW_DEBUG_HC("Aborting scan due to RF Kill activation\n"); |
| 5439 | priv->status |= STATUS_SCAN_PENDING; |
| 5440 | return 0; |
| 5441 | } |
| 5442 | |
| 5443 | memset(&scan, 0, sizeof(scan)); |
| 5444 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5445 | scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] = cpu_to_le16(20); |
| 5446 | scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN] = |
| 5447 | cpu_to_le16(20); |
| 5448 | scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(20); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5449 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5450 | scan.full_scan_index = cpu_to_le32(ieee80211_get_scans(priv->ieee)); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5451 | |
| 5452 | #ifdef CONFIG_IPW_MONITOR |
| 5453 | if (priv->ieee->iw_mode == IW_MODE_MONITOR) { |
| 5454 | u8 band = 0, channel = priv->channel; |
| 5455 | |
| 5456 | if (is_valid_channel(IEEE_A, channel)) |
| 5457 | band = (u8) (IPW_A_MODE << 6) | 1; |
| 5458 | |
| 5459 | if (is_valid_channel(IEEE_B | IEEE_G, channel)) |
| 5460 | band = (u8) (IPW_B_MODE << 6) | 1; |
| 5461 | |
| 5462 | if (band == 0) { |
| 5463 | band = (u8) (IPW_B_MODE << 6) | 1; |
| 5464 | channel = 9; |
| 5465 | } |
| 5466 | |
| 5467 | scan.channels_list[channel_index++] = band; |
| 5468 | scan.channels_list[channel_index] = channel; |
| 5469 | ipw_set_scan_type(&scan, channel_index, |
| 5470 | IPW_SCAN_PASSIVE_FULL_DWELL_SCAN); |
| 5471 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5472 | scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = |
| 5473 | cpu_to_le16(2000); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5474 | } else { |
| 5475 | #endif /* CONFIG_IPW_MONITOR */ |
| 5476 | /* If we are roaming, then make this a directed scan for the current |
| 5477 | * network. Otherwise, ensure that every other scan is a fast |
| 5478 | * channel hop scan */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 5479 | if ((priv->status & STATUS_ROAMING) || (!(priv->status & STATUS_ASSOCIATED) && (priv->config & CFG_STATIC_ESSID) && (le32_to_cpu(scan.full_scan_index) % 2))) { /* || ( |
| 5480 | (priv->status & STATUS_ASSOCIATED) && |
| 5481 | (priv->ieee->iw_mode == IW_MODE_ADHOC))) { */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5482 | err = ipw_send_ssid(priv, priv->essid, priv->essid_len); |
| 5483 | if (err) { |
| 5484 | IPW_DEBUG_HC |
| 5485 | ("Attempt to send SSID command failed.\n"); |
| 5486 | return err; |
| 5487 | } |
| 5488 | |
| 5489 | scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN; |
| 5490 | } else { |
| 5491 | scan_type = IPW_SCAN_ACTIVE_BROADCAST_SCAN; |
| 5492 | } |
| 5493 | |
| 5494 | if (priv->ieee->freq_band & IEEE80211_52GHZ_BAND) { |
| 5495 | int start = channel_index; |
| 5496 | for (i = 0; i < MAX_A_CHANNELS; i++) { |
| 5497 | if (band_a_active_channel[i] == 0) |
| 5498 | break; |
| 5499 | if ((priv->status & STATUS_ASSOCIATED) && |
| 5500 | band_a_active_channel[i] == priv->channel) |
| 5501 | continue; |
| 5502 | channel_index++; |
| 5503 | scan.channels_list[channel_index] = |
| 5504 | band_a_active_channel[i]; |
| 5505 | ipw_set_scan_type(&scan, channel_index, |
| 5506 | scan_type); |
| 5507 | } |
| 5508 | |
| 5509 | if (start != channel_index) { |
| 5510 | scan.channels_list[start] = |
| 5511 | (u8) (IPW_A_MODE << 6) | (channel_index - |
| 5512 | start); |
| 5513 | channel_index++; |
| 5514 | } |
| 5515 | } |
| 5516 | |
| 5517 | if (priv->ieee->freq_band & IEEE80211_24GHZ_BAND) { |
| 5518 | int start = channel_index; |
| 5519 | for (i = 0; i < MAX_B_CHANNELS; i++) { |
| 5520 | if (band_b_active_channel[i] == 0) |
| 5521 | break; |
| 5522 | if ((priv->status & STATUS_ASSOCIATED) && |
| 5523 | band_b_active_channel[i] == priv->channel) |
| 5524 | continue; |
| 5525 | channel_index++; |
| 5526 | scan.channels_list[channel_index] = |
| 5527 | band_b_active_channel[i]; |
| 5528 | ipw_set_scan_type(&scan, channel_index, |
| 5529 | scan_type); |
| 5530 | } |
| 5531 | |
| 5532 | if (start != channel_index) { |
| 5533 | scan.channels_list[start] = |
| 5534 | (u8) (IPW_B_MODE << 6) | (channel_index - |
| 5535 | start); |
| 5536 | } |
| 5537 | } |
| 5538 | #ifdef CONFIG_IPW_MONITOR |
| 5539 | } |
| 5540 | #endif |
| 5541 | |
| 5542 | err = ipw_send_scan_request_ext(priv, &scan); |
| 5543 | if (err) { |
| 5544 | IPW_DEBUG_HC("Sending scan command failed: %08X\n", err); |
| 5545 | return -EIO; |
| 5546 | } |
| 5547 | |
| 5548 | priv->status |= STATUS_SCANNING; |
| 5549 | priv->status &= ~STATUS_SCAN_PENDING; |
| 5550 | |
| 5551 | return 0; |
| 5552 | } |
| 5553 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 5554 | static void ipw_bg_request_scan(void *data) |
| 5555 | { |
| 5556 | struct ipw_priv *priv = data; |
| 5557 | down(&priv->sem); |
| 5558 | ipw_request_scan(data); |
| 5559 | up(&priv->sem); |
| 5560 | } |
| 5561 | |
| 5562 | static void ipw_bg_abort_scan(void *data) |
| 5563 | { |
| 5564 | struct ipw_priv *priv = data; |
| 5565 | down(&priv->sem); |
| 5566 | ipw_abort_scan(data); |
| 5567 | up(&priv->sem); |
| 5568 | } |
| 5569 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5570 | /* Support for wpa_supplicant. Will be replaced with WEXT once |
| 5571 | * they get WPA support. */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5572 | |
| 5573 | /* following definitions must match definitions in driver_ipw.c */ |
| 5574 | |
| 5575 | #define IPW_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30 |
| 5576 | |
| 5577 | #define IPW_CMD_SET_WPA_PARAM 1 |
| 5578 | #define IPW_CMD_SET_WPA_IE 2 |
| 5579 | #define IPW_CMD_SET_ENCRYPTION 3 |
| 5580 | #define IPW_CMD_MLME 4 |
| 5581 | |
| 5582 | #define IPW_PARAM_WPA_ENABLED 1 |
| 5583 | #define IPW_PARAM_TKIP_COUNTERMEASURES 2 |
| 5584 | #define IPW_PARAM_DROP_UNENCRYPTED 3 |
| 5585 | #define IPW_PARAM_PRIVACY_INVOKED 4 |
| 5586 | #define IPW_PARAM_AUTH_ALGS 5 |
| 5587 | #define IPW_PARAM_IEEE_802_1X 6 |
| 5588 | |
| 5589 | #define IPW_MLME_STA_DEAUTH 1 |
| 5590 | #define IPW_MLME_STA_DISASSOC 2 |
| 5591 | |
| 5592 | #define IPW_CRYPT_ERR_UNKNOWN_ALG 2 |
| 5593 | #define IPW_CRYPT_ERR_UNKNOWN_ADDR 3 |
| 5594 | #define IPW_CRYPT_ERR_CRYPT_INIT_FAILED 4 |
| 5595 | #define IPW_CRYPT_ERR_KEY_SET_FAILED 5 |
| 5596 | #define IPW_CRYPT_ERR_TX_KEY_SET_FAILED 6 |
| 5597 | #define IPW_CRYPT_ERR_CARD_CONF_FAILED 7 |
| 5598 | |
| 5599 | #define IPW_CRYPT_ALG_NAME_LEN 16 |
| 5600 | |
| 5601 | struct ipw_param { |
| 5602 | u32 cmd; |
| 5603 | u8 sta_addr[ETH_ALEN]; |
| 5604 | union { |
| 5605 | struct { |
| 5606 | u8 name; |
| 5607 | u32 value; |
| 5608 | } wpa_param; |
| 5609 | struct { |
| 5610 | u32 len; |
| 5611 | u8 *data; |
| 5612 | } wpa_ie; |
| 5613 | struct { |
| 5614 | int command; |
| 5615 | int reason_code; |
| 5616 | } mlme; |
| 5617 | struct { |
| 5618 | u8 alg[IPW_CRYPT_ALG_NAME_LEN]; |
| 5619 | u8 set_tx; |
| 5620 | u32 err; |
| 5621 | u8 idx; |
| 5622 | u8 seq[8]; /* sequence counter (set: RX, get: TX) */ |
| 5623 | u16 key_len; |
| 5624 | u8 key[0]; |
| 5625 | } crypt; |
| 5626 | |
| 5627 | } u; |
| 5628 | }; |
| 5629 | |
| 5630 | /* end of driver_ipw.c code */ |
| 5631 | |
| 5632 | static int ipw_wpa_enable(struct ipw_priv *priv, int value) |
| 5633 | { |
| 5634 | struct ieee80211_device *ieee = priv->ieee; |
| 5635 | struct ieee80211_security sec = { |
| 5636 | .flags = SEC_LEVEL | SEC_ENABLED, |
| 5637 | }; |
| 5638 | int ret = 0; |
| 5639 | |
| 5640 | ieee->wpa_enabled = value; |
| 5641 | |
| 5642 | if (value) { |
| 5643 | sec.level = SEC_LEVEL_3; |
| 5644 | sec.enabled = 1; |
| 5645 | } else { |
| 5646 | sec.level = SEC_LEVEL_0; |
| 5647 | sec.enabled = 0; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5648 | ieee->wpa_ie_len = 0; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5649 | } |
| 5650 | |
| 5651 | if (ieee->set_security) |
| 5652 | ieee->set_security(ieee->dev, &sec); |
| 5653 | else |
| 5654 | ret = -EOPNOTSUPP; |
| 5655 | |
| 5656 | return ret; |
| 5657 | } |
| 5658 | |
| 5659 | #define AUTH_ALG_OPEN_SYSTEM 0x1 |
| 5660 | #define AUTH_ALG_SHARED_KEY 0x2 |
| 5661 | |
| 5662 | static int ipw_wpa_set_auth_algs(struct ipw_priv *priv, int value) |
| 5663 | { |
| 5664 | struct ieee80211_device *ieee = priv->ieee; |
| 5665 | struct ieee80211_security sec = { |
| 5666 | .flags = SEC_AUTH_MODE, |
| 5667 | }; |
| 5668 | int ret = 0; |
| 5669 | |
| 5670 | if (value & AUTH_ALG_SHARED_KEY) { |
| 5671 | sec.auth_mode = WLAN_AUTH_SHARED_KEY; |
| 5672 | ieee->open_wep = 0; |
| 5673 | } else { |
| 5674 | sec.auth_mode = WLAN_AUTH_OPEN; |
| 5675 | ieee->open_wep = 1; |
| 5676 | } |
| 5677 | |
| 5678 | if (ieee->set_security) |
| 5679 | ieee->set_security(ieee->dev, &sec); |
| 5680 | else |
| 5681 | ret = -EOPNOTSUPP; |
| 5682 | |
| 5683 | return ret; |
| 5684 | } |
| 5685 | |
| 5686 | static int ipw_wpa_set_param(struct net_device *dev, u8 name, u32 value) |
| 5687 | { |
| 5688 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5689 | struct ieee80211_crypt_data *crypt; |
| 5690 | unsigned long flags; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5691 | int ret = 0; |
| 5692 | |
| 5693 | switch (name) { |
| 5694 | case IPW_PARAM_WPA_ENABLED: |
| 5695 | ret = ipw_wpa_enable(priv, value); |
| 5696 | break; |
| 5697 | |
| 5698 | case IPW_PARAM_TKIP_COUNTERMEASURES: |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 5699 | crypt = priv->ieee->crypt[priv->ieee->tx_keyidx]; |
| 5700 | if (!crypt || !crypt->ops->set_flags || !crypt->ops->get_flags) { |
| 5701 | IPW_WARNING("Can't set TKIP countermeasures: " |
| 5702 | "crypt not set!\n"); |
| 5703 | break; |
| 5704 | } |
| 5705 | |
| 5706 | flags = crypt->ops->get_flags(crypt->priv); |
| 5707 | |
| 5708 | if (value) |
| 5709 | flags |= IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; |
| 5710 | else |
| 5711 | flags &= ~IEEE80211_CRYPTO_TKIP_COUNTERMEASURES; |
| 5712 | |
| 5713 | crypt->ops->set_flags(flags, crypt->priv); |
| 5714 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5715 | break; |
| 5716 | |
| 5717 | case IPW_PARAM_DROP_UNENCRYPTED: |
| 5718 | priv->ieee->drop_unencrypted = value; |
| 5719 | break; |
| 5720 | |
| 5721 | case IPW_PARAM_PRIVACY_INVOKED: |
| 5722 | priv->ieee->privacy_invoked = value; |
| 5723 | break; |
| 5724 | |
| 5725 | case IPW_PARAM_AUTH_ALGS: |
| 5726 | ret = ipw_wpa_set_auth_algs(priv, value); |
| 5727 | break; |
| 5728 | |
| 5729 | case IPW_PARAM_IEEE_802_1X: |
| 5730 | priv->ieee->ieee802_1x = value; |
| 5731 | break; |
| 5732 | |
| 5733 | default: |
| 5734 | IPW_ERROR("%s: Unknown WPA param: %d\n", dev->name, name); |
| 5735 | ret = -EOPNOTSUPP; |
| 5736 | } |
| 5737 | |
| 5738 | return ret; |
| 5739 | } |
| 5740 | |
| 5741 | static int ipw_wpa_mlme(struct net_device *dev, int command, int reason) |
| 5742 | { |
| 5743 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 5744 | int ret = 0; |
| 5745 | |
| 5746 | switch (command) { |
| 5747 | case IPW_MLME_STA_DEAUTH: |
| 5748 | // silently ignore |
| 5749 | break; |
| 5750 | |
| 5751 | case IPW_MLME_STA_DISASSOC: |
| 5752 | ipw_disassociate(priv); |
| 5753 | break; |
| 5754 | |
| 5755 | default: |
| 5756 | IPW_ERROR("%s: Unknown MLME request: %d\n", dev->name, command); |
| 5757 | ret = -EOPNOTSUPP; |
| 5758 | } |
| 5759 | |
| 5760 | return ret; |
| 5761 | } |
| 5762 | |
| 5763 | static int ipw_set_rsn_capa(struct ipw_priv *priv, |
| 5764 | char *capabilities, int length) |
| 5765 | { |
| 5766 | struct host_cmd cmd = { |
| 5767 | .cmd = IPW_CMD_RSN_CAPABILITIES, |
| 5768 | .len = length, |
| 5769 | }; |
| 5770 | |
| 5771 | IPW_DEBUG_HC("HOST_CMD_RSN_CAPABILITIES\n"); |
| 5772 | |
| 5773 | memcpy(&cmd.param, capabilities, length); |
| 5774 | if (ipw_send_cmd(priv, &cmd)) { |
| 5775 | IPW_ERROR("failed to send HOST_CMD_RSN_CAPABILITIES command\n"); |
| 5776 | return -1; |
| 5777 | } |
| 5778 | return 0; |
| 5779 | } |
| 5780 | |
| 5781 | void ipw_wpa_assoc_frame(struct ipw_priv *priv, char *wpa_ie, int wpa_ie_len) |
| 5782 | { |
| 5783 | /* make sure WPA is enabled */ |
| 5784 | ipw_wpa_enable(priv, 1); |
| 5785 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 5786 | ipw_disassociate(priv); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 5787 | } |
| 5788 | |
| 5789 | static int ipw_wpa_set_wpa_ie(struct net_device *dev, |
| 5790 | struct ipw_param *param, int plen) |
| 5791 | { |
| 5792 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 5793 | struct ieee80211_device *ieee = priv->ieee; |
| 5794 | u8 *buf; |
| 5795 | |
| 5796 | if (!ieee->wpa_enabled) |
| 5797 | return -EOPNOTSUPP; |
| 5798 | |
| 5799 | if (param->u.wpa_ie.len > MAX_WPA_IE_LEN || |
| 5800 | (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL)) |
| 5801 | return -EINVAL; |
| 5802 | |
| 5803 | if (param->u.wpa_ie.len) { |
| 5804 | buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL); |
| 5805 | if (buf == NULL) |
| 5806 | return -ENOMEM; |
| 5807 | |
| 5808 | memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len); |
| 5809 | kfree(ieee->wpa_ie); |
| 5810 | ieee->wpa_ie = buf; |
| 5811 | ieee->wpa_ie_len = param->u.wpa_ie.len; |
| 5812 | } else { |
| 5813 | kfree(ieee->wpa_ie); |
| 5814 | ieee->wpa_ie = NULL; |
| 5815 | ieee->wpa_ie_len = 0; |
| 5816 | } |
| 5817 | |
| 5818 | ipw_wpa_assoc_frame(priv, ieee->wpa_ie, ieee->wpa_ie_len); |
| 5819 | return 0; |
| 5820 | } |
| 5821 | |
| 5822 | /* implementation borrowed from hostap driver */ |
| 5823 | |
| 5824 | static int ipw_wpa_set_encryption(struct net_device *dev, |
| 5825 | struct ipw_param *param, int param_len) |
| 5826 | { |
| 5827 | int ret = 0; |
| 5828 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 5829 | struct ieee80211_device *ieee = priv->ieee; |
| 5830 | struct ieee80211_crypto_ops *ops; |
| 5831 | struct ieee80211_crypt_data **crypt; |
| 5832 | |
| 5833 | struct ieee80211_security sec = { |
| 5834 | .flags = 0, |
| 5835 | }; |
| 5836 | |
| 5837 | param->u.crypt.err = 0; |
| 5838 | param->u.crypt.alg[IPW_CRYPT_ALG_NAME_LEN - 1] = '\0'; |
| 5839 | |
| 5840 | if (param_len != |
| 5841 | (int)((char *)param->u.crypt.key - (char *)param) + |
| 5842 | param->u.crypt.key_len) { |
| 5843 | IPW_DEBUG_INFO("Len mismatch %d, %d\n", param_len, |
| 5844 | param->u.crypt.key_len); |
| 5845 | return -EINVAL; |
| 5846 | } |
| 5847 | if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && |
| 5848 | param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && |
| 5849 | param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { |
| 5850 | if (param->u.crypt.idx >= WEP_KEYS) |
| 5851 | return -EINVAL; |
| 5852 | crypt = &ieee->crypt[param->u.crypt.idx]; |
| 5853 | } else { |
| 5854 | return -EINVAL; |
| 5855 | } |
| 5856 | |
| 5857 | if (strcmp(param->u.crypt.alg, "none") == 0) { |
| 5858 | if (crypt) { |
| 5859 | sec.enabled = 0; |
| 5860 | sec.level = SEC_LEVEL_0; |
| 5861 | sec.flags |= SEC_ENABLED | SEC_LEVEL; |
| 5862 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
| 5863 | } |
| 5864 | goto done; |
| 5865 | } |
| 5866 | sec.enabled = 1; |
| 5867 | sec.flags |= SEC_ENABLED; |
| 5868 | |
| 5869 | ops = ieee80211_get_crypto_ops(param->u.crypt.alg); |
| 5870 | if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { |
| 5871 | request_module("ieee80211_crypt_wep"); |
| 5872 | ops = ieee80211_get_crypto_ops(param->u.crypt.alg); |
| 5873 | } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { |
| 5874 | request_module("ieee80211_crypt_tkip"); |
| 5875 | ops = ieee80211_get_crypto_ops(param->u.crypt.alg); |
| 5876 | } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { |
| 5877 | request_module("ieee80211_crypt_ccmp"); |
| 5878 | ops = ieee80211_get_crypto_ops(param->u.crypt.alg); |
| 5879 | } |
| 5880 | if (ops == NULL) { |
| 5881 | IPW_DEBUG_INFO("%s: unknown crypto alg '%s'\n", |
| 5882 | dev->name, param->u.crypt.alg); |
| 5883 | param->u.crypt.err = IPW_CRYPT_ERR_UNKNOWN_ALG; |
| 5884 | ret = -EINVAL; |
| 5885 | goto done; |
| 5886 | } |
| 5887 | |
| 5888 | if (*crypt == NULL || (*crypt)->ops != ops) { |
| 5889 | struct ieee80211_crypt_data *new_crypt; |
| 5890 | |
| 5891 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
| 5892 | |
| 5893 | new_crypt = (struct ieee80211_crypt_data *) |
| 5894 | kmalloc(sizeof(*new_crypt), GFP_KERNEL); |
| 5895 | if (new_crypt == NULL) { |
| 5896 | ret = -ENOMEM; |
| 5897 | goto done; |
| 5898 | } |
| 5899 | memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); |
| 5900 | new_crypt->ops = ops; |
| 5901 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
| 5902 | new_crypt->priv = |
| 5903 | new_crypt->ops->init(param->u.crypt.idx); |
| 5904 | |
| 5905 | if (new_crypt->priv == NULL) { |
| 5906 | kfree(new_crypt); |
| 5907 | param->u.crypt.err = IPW_CRYPT_ERR_CRYPT_INIT_FAILED; |
| 5908 | ret = -EINVAL; |
| 5909 | goto done; |
| 5910 | } |
| 5911 | |
| 5912 | *crypt = new_crypt; |
| 5913 | } |
| 5914 | |
| 5915 | if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key && |
| 5916 | (*crypt)->ops->set_key(param->u.crypt.key, |
| 5917 | param->u.crypt.key_len, param->u.crypt.seq, |
| 5918 | (*crypt)->priv) < 0) { |
| 5919 | IPW_DEBUG_INFO("%s: key setting failed\n", dev->name); |
| 5920 | param->u.crypt.err = IPW_CRYPT_ERR_KEY_SET_FAILED; |
| 5921 | ret = -EINVAL; |
| 5922 | goto done; |
| 5923 | } |
| 5924 | |
| 5925 | if (param->u.crypt.set_tx) { |
| 5926 | ieee->tx_keyidx = param->u.crypt.idx; |
| 5927 | sec.active_key = param->u.crypt.idx; |
| 5928 | sec.flags |= SEC_ACTIVE_KEY; |
| 5929 | } |
| 5930 | |
| 5931 | if (ops->name != NULL) { |
| 5932 | if (strcmp(ops->name, "WEP") == 0) { |
| 5933 | memcpy(sec.keys[param->u.crypt.idx], |
| 5934 | param->u.crypt.key, param->u.crypt.key_len); |
| 5935 | sec.key_sizes[param->u.crypt.idx] = |
| 5936 | param->u.crypt.key_len; |
| 5937 | sec.flags |= (1 << param->u.crypt.idx); |
| 5938 | sec.flags |= SEC_LEVEL; |
| 5939 | sec.level = SEC_LEVEL_1; |
| 5940 | } else if (strcmp(ops->name, "TKIP") == 0) { |
| 5941 | sec.flags |= SEC_LEVEL; |
| 5942 | sec.level = SEC_LEVEL_2; |
| 5943 | } else if (strcmp(ops->name, "CCMP") == 0) { |
| 5944 | sec.flags |= SEC_LEVEL; |
| 5945 | sec.level = SEC_LEVEL_3; |
| 5946 | } |
| 5947 | } |
| 5948 | done: |
| 5949 | if (ieee->set_security) |
| 5950 | ieee->set_security(ieee->dev, &sec); |
| 5951 | |
| 5952 | /* Do not reset port if card is in Managed mode since resetting will |
| 5953 | * generate new IEEE 802.11 authentication which may end up in looping |
| 5954 | * with IEEE 802.1X. If your hardware requires a reset after WEP |
| 5955 | * configuration (for example... Prism2), implement the reset_port in |
| 5956 | * the callbacks structures used to initialize the 802.11 stack. */ |
| 5957 | if (ieee->reset_on_keychange && |
| 5958 | ieee->iw_mode != IW_MODE_INFRA && |
| 5959 | ieee->reset_port && ieee->reset_port(dev)) { |
| 5960 | IPW_DEBUG_INFO("%s: reset_port failed\n", dev->name); |
| 5961 | param->u.crypt.err = IPW_CRYPT_ERR_CARD_CONF_FAILED; |
| 5962 | return -EINVAL; |
| 5963 | } |
| 5964 | |
| 5965 | return ret; |
| 5966 | } |
| 5967 | |
| 5968 | static int ipw_wpa_supplicant(struct net_device *dev, struct iw_point *p) |
| 5969 | { |
| 5970 | struct ipw_param *param; |
| 5971 | int ret = 0; |
| 5972 | |
| 5973 | IPW_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length); |
| 5974 | |
| 5975 | if (p->length < sizeof(struct ipw_param) || !p->pointer) |
| 5976 | return -EINVAL; |
| 5977 | |
| 5978 | param = (struct ipw_param *)kmalloc(p->length, GFP_KERNEL); |
| 5979 | if (param == NULL) |
| 5980 | return -ENOMEM; |
| 5981 | |
| 5982 | if (copy_from_user(param, p->pointer, p->length)) { |
| 5983 | kfree(param); |
| 5984 | return -EFAULT; |
| 5985 | } |
| 5986 | |
| 5987 | switch (param->cmd) { |
| 5988 | |
| 5989 | case IPW_CMD_SET_WPA_PARAM: |
| 5990 | ret = ipw_wpa_set_param(dev, param->u.wpa_param.name, |
| 5991 | param->u.wpa_param.value); |
| 5992 | break; |
| 5993 | |
| 5994 | case IPW_CMD_SET_WPA_IE: |
| 5995 | ret = ipw_wpa_set_wpa_ie(dev, param, p->length); |
| 5996 | break; |
| 5997 | |
| 5998 | case IPW_CMD_SET_ENCRYPTION: |
| 5999 | ret = ipw_wpa_set_encryption(dev, param, p->length); |
| 6000 | break; |
| 6001 | |
| 6002 | case IPW_CMD_MLME: |
| 6003 | ret = ipw_wpa_mlme(dev, param->u.mlme.command, |
| 6004 | param->u.mlme.reason_code); |
| 6005 | break; |
| 6006 | |
| 6007 | default: |
| 6008 | IPW_ERROR("%s: Unknown WPA supplicant request: %d\n", |
| 6009 | dev->name, param->cmd); |
| 6010 | ret = -EOPNOTSUPP; |
| 6011 | } |
| 6012 | |
| 6013 | if (ret == 0 && copy_to_user(p->pointer, param, p->length)) |
| 6014 | ret = -EFAULT; |
| 6015 | |
| 6016 | kfree(param); |
| 6017 | return ret; |
| 6018 | } |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6019 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6020 | static int ipw_associate_network(struct ipw_priv *priv, |
| 6021 | struct ieee80211_network *network, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6022 | struct ipw_supported_rates *rates, int roaming) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6023 | { |
| 6024 | int err; |
| 6025 | |
| 6026 | if (priv->config & CFG_FIXED_RATE) |
| 6027 | ipw_set_fixed_rate(priv, network); |
| 6028 | |
| 6029 | if (!(priv->config & CFG_STATIC_ESSID)) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6030 | priv->essid_len = min(network->ssid_len, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6031 | (u8) IW_ESSID_MAX_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6032 | memcpy(priv->essid, network->ssid, priv->essid_len); |
| 6033 | } |
| 6034 | |
| 6035 | network->last_associate = jiffies; |
| 6036 | |
| 6037 | memset(&priv->assoc_request, 0, sizeof(priv->assoc_request)); |
| 6038 | priv->assoc_request.channel = network->channel; |
| 6039 | if ((priv->capability & CAP_PRIVACY_ON) && |
| 6040 | (priv->capability & CAP_SHARED_KEY)) { |
| 6041 | priv->assoc_request.auth_type = AUTH_SHARED_KEY; |
| 6042 | priv->assoc_request.auth_key = priv->sec.active_key; |
| 6043 | } else { |
| 6044 | priv->assoc_request.auth_type = AUTH_OPEN; |
| 6045 | priv->assoc_request.auth_key = 0; |
| 6046 | } |
| 6047 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6048 | if (priv->capability & CAP_PRIVACY_ON) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6049 | ipw_send_wep_keys(priv); |
| 6050 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6051 | if (priv->ieee->wpa_ie_len) { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6052 | priv->assoc_request.policy_support = 0x02; /* RSN active */ |
| 6053 | ipw_set_rsn_capa(priv, priv->ieee->wpa_ie, |
| 6054 | priv->ieee->wpa_ie_len); |
| 6055 | } |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6056 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6057 | /* |
| 6058 | * It is valid for our ieee device to support multiple modes, but |
| 6059 | * when it comes to associating to a given network we have to choose |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6060 | * just one mode. |
| 6061 | */ |
| 6062 | if (network->mode & priv->ieee->mode & IEEE_A) |
| 6063 | priv->assoc_request.ieee_mode = IPW_A_MODE; |
| 6064 | else if (network->mode & priv->ieee->mode & IEEE_G) |
| 6065 | priv->assoc_request.ieee_mode = IPW_G_MODE; |
| 6066 | else if (network->mode & priv->ieee->mode & IEEE_B) |
| 6067 | priv->assoc_request.ieee_mode = IPW_B_MODE; |
| 6068 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6069 | priv->assoc_request.capability = network->capability; |
| 6070 | if ((network->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) |
| 6071 | && !(priv->config & CFG_PREAMBLE_LONG)) { |
| 6072 | priv->assoc_request.preamble_length = DCT_FLAG_SHORT_PREAMBLE; |
| 6073 | } else { |
| 6074 | priv->assoc_request.preamble_length = DCT_FLAG_LONG_PREAMBLE; |
| 6075 | |
| 6076 | /* Clear the short preamble if we won't be supporting it */ |
| 6077 | priv->assoc_request.capability &= |
| 6078 | ~WLAN_CAPABILITY_SHORT_PREAMBLE; |
| 6079 | } |
| 6080 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6081 | IPW_DEBUG_ASSOC("%sssocation attempt: '%s', channel %d, " |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6082 | "802.11%c [%d], %s[:%s], enc=%s%s%s%c%c\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6083 | roaming ? "Rea" : "A", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6084 | escape_essid(priv->essid, priv->essid_len), |
| 6085 | network->channel, |
| 6086 | ipw_modes[priv->assoc_request.ieee_mode], |
| 6087 | rates->num_rates, |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6088 | (priv->assoc_request.preamble_length == |
| 6089 | DCT_FLAG_LONG_PREAMBLE) ? "long" : "short", |
| 6090 | network->capability & |
| 6091 | WLAN_CAPABILITY_SHORT_PREAMBLE ? "short" : "long", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6092 | priv->capability & CAP_PRIVACY_ON ? "on " : "off", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6093 | priv->capability & CAP_PRIVACY_ON ? |
| 6094 | (priv->capability & CAP_SHARED_KEY ? "(shared)" : |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6095 | "(open)") : "", |
| 6096 | priv->capability & CAP_PRIVACY_ON ? " key=" : "", |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6097 | priv->capability & CAP_PRIVACY_ON ? |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6098 | '1' + priv->sec.active_key : '.', |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6099 | priv->capability & CAP_PRIVACY_ON ? '.' : ' '); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6100 | |
| 6101 | priv->assoc_request.beacon_interval = network->beacon_interval; |
| 6102 | if ((priv->ieee->iw_mode == IW_MODE_ADHOC) && |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6103 | (network->time_stamp[0] == 0) && (network->time_stamp[1] == 0)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6104 | priv->assoc_request.assoc_type = HC_IBSS_START; |
| 6105 | priv->assoc_request.assoc_tsf_msw = 0; |
| 6106 | priv->assoc_request.assoc_tsf_lsw = 0; |
| 6107 | } else { |
| 6108 | if (unlikely(roaming)) |
| 6109 | priv->assoc_request.assoc_type = HC_REASSOCIATE; |
| 6110 | else |
| 6111 | priv->assoc_request.assoc_type = HC_ASSOCIATE; |
| 6112 | priv->assoc_request.assoc_tsf_msw = network->time_stamp[1]; |
| 6113 | priv->assoc_request.assoc_tsf_lsw = network->time_stamp[0]; |
| 6114 | } |
| 6115 | |
| 6116 | memcpy(&priv->assoc_request.bssid, network->bssid, ETH_ALEN); |
| 6117 | |
| 6118 | if (priv->ieee->iw_mode == IW_MODE_ADHOC) { |
| 6119 | memset(&priv->assoc_request.dest, 0xFF, ETH_ALEN); |
| 6120 | priv->assoc_request.atim_window = network->atim_window; |
| 6121 | } else { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6122 | memcpy(&priv->assoc_request.dest, network->bssid, ETH_ALEN); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6123 | priv->assoc_request.atim_window = 0; |
| 6124 | } |
| 6125 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6126 | priv->assoc_request.listen_interval = network->listen_interval; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6127 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6128 | err = ipw_send_ssid(priv, priv->essid, priv->essid_len); |
| 6129 | if (err) { |
| 6130 | IPW_DEBUG_HC("Attempt to send SSID command failed.\n"); |
| 6131 | return err; |
| 6132 | } |
| 6133 | |
| 6134 | rates->ieee_mode = priv->assoc_request.ieee_mode; |
| 6135 | rates->purpose = IPW_RATE_CONNECT; |
| 6136 | ipw_send_supported_rates(priv, rates); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6137 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6138 | if (priv->assoc_request.ieee_mode == IPW_G_MODE) |
| 6139 | priv->sys_config.dot11g_auto_detection = 1; |
| 6140 | else |
| 6141 | priv->sys_config.dot11g_auto_detection = 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6142 | |
| 6143 | if (priv->ieee->iw_mode == IW_MODE_ADHOC) |
| 6144 | priv->sys_config.answer_broadcast_ssid_probe = 1; |
| 6145 | else |
| 6146 | priv->sys_config.answer_broadcast_ssid_probe = 0; |
| 6147 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6148 | err = ipw_send_system_config(priv, &priv->sys_config); |
| 6149 | if (err) { |
| 6150 | IPW_DEBUG_HC("Attempt to send sys config command failed.\n"); |
| 6151 | return err; |
| 6152 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6153 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6154 | IPW_DEBUG_ASSOC("Association sensitivity: %d\n", network->stats.rssi); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6155 | err = ipw_set_sensitivity(priv, network->stats.rssi + IPW_RSSI_TO_DBM); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6156 | if (err) { |
| 6157 | IPW_DEBUG_HC("Attempt to send associate command failed.\n"); |
| 6158 | return err; |
| 6159 | } |
| 6160 | |
| 6161 | /* |
| 6162 | * If preemption is enabled, it is possible for the association |
| 6163 | * to complete before we return from ipw_send_associate. Therefore |
| 6164 | * we have to be sure and update our priviate data first. |
| 6165 | */ |
| 6166 | priv->channel = network->channel; |
| 6167 | memcpy(priv->bssid, network->bssid, ETH_ALEN); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6168 | priv->status |= STATUS_ASSOCIATING; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6169 | priv->status &= ~STATUS_SECURITY_UPDATED; |
| 6170 | |
| 6171 | priv->assoc_network = network; |
| 6172 | |
| 6173 | err = ipw_send_associate(priv, &priv->assoc_request); |
| 6174 | if (err) { |
| 6175 | IPW_DEBUG_HC("Attempt to send associate command failed.\n"); |
| 6176 | return err; |
| 6177 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6178 | |
| 6179 | IPW_DEBUG(IPW_DL_STATE, "associating: '%s' " MAC_FMT " \n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6180 | escape_essid(priv->essid, priv->essid_len), |
| 6181 | MAC_ARG(priv->bssid)); |
| 6182 | |
| 6183 | return 0; |
| 6184 | } |
| 6185 | |
| 6186 | static void ipw_roam(void *data) |
| 6187 | { |
| 6188 | struct ipw_priv *priv = data; |
| 6189 | struct ieee80211_network *network = NULL; |
| 6190 | struct ipw_network_match match = { |
| 6191 | .network = priv->assoc_network |
| 6192 | }; |
| 6193 | |
| 6194 | /* The roaming process is as follows: |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6195 | * |
| 6196 | * 1. Missed beacon threshold triggers the roaming process by |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6197 | * setting the status ROAM bit and requesting a scan. |
| 6198 | * 2. When the scan completes, it schedules the ROAM work |
| 6199 | * 3. The ROAM work looks at all of the known networks for one that |
| 6200 | * is a better network than the currently associated. If none |
| 6201 | * found, the ROAM process is over (ROAM bit cleared) |
| 6202 | * 4. If a better network is found, a disassociation request is |
| 6203 | * sent. |
| 6204 | * 5. When the disassociation completes, the roam work is again |
| 6205 | * scheduled. The second time through, the driver is no longer |
| 6206 | * associated, and the newly selected network is sent an |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6207 | * association request. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6208 | * 6. At this point ,the roaming process is complete and the ROAM |
| 6209 | * status bit is cleared. |
| 6210 | */ |
| 6211 | |
| 6212 | /* If we are no longer associated, and the roaming bit is no longer |
| 6213 | * set, then we are not actively roaming, so just return */ |
| 6214 | if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ROAMING))) |
| 6215 | return; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6216 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6217 | if (priv->status & STATUS_ASSOCIATED) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6218 | /* First pass through ROAM process -- look for a better |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6219 | * network */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6220 | unsigned long flags; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6221 | u8 rssi = priv->assoc_network->stats.rssi; |
| 6222 | priv->assoc_network->stats.rssi = -128; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6223 | spin_lock_irqsave(&priv->ieee->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6224 | list_for_each_entry(network, &priv->ieee->network_list, list) { |
| 6225 | if (network != priv->assoc_network) |
| 6226 | ipw_best_network(priv, &match, network, 1); |
| 6227 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6228 | spin_unlock_irqrestore(&priv->ieee->lock, flags); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6229 | priv->assoc_network->stats.rssi = rssi; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6230 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6231 | if (match.network == priv->assoc_network) { |
| 6232 | IPW_DEBUG_ASSOC("No better APs in this network to " |
| 6233 | "roam to.\n"); |
| 6234 | priv->status &= ~STATUS_ROAMING; |
| 6235 | ipw_debug_config(priv); |
| 6236 | return; |
| 6237 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6238 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6239 | ipw_send_disassociate(priv, 1); |
| 6240 | priv->assoc_network = match.network; |
| 6241 | |
| 6242 | return; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6243 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6244 | |
| 6245 | /* Second pass through ROAM process -- request association */ |
| 6246 | ipw_compatible_rates(priv, priv->assoc_network, &match.rates); |
| 6247 | ipw_associate_network(priv, priv->assoc_network, &match.rates, 1); |
| 6248 | priv->status &= ~STATUS_ROAMING; |
| 6249 | } |
| 6250 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6251 | static void ipw_bg_roam(void *data) |
| 6252 | { |
| 6253 | struct ipw_priv *priv = data; |
| 6254 | down(&priv->sem); |
| 6255 | ipw_roam(data); |
| 6256 | up(&priv->sem); |
| 6257 | } |
| 6258 | |
| 6259 | static int ipw_associate(void *data) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6260 | { |
| 6261 | struct ipw_priv *priv = data; |
| 6262 | |
| 6263 | struct ieee80211_network *network = NULL; |
| 6264 | struct ipw_network_match match = { |
| 6265 | .network = NULL |
| 6266 | }; |
| 6267 | struct ipw_supported_rates *rates; |
| 6268 | struct list_head *element; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6269 | unsigned long flags; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6270 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6271 | if (priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) { |
| 6272 | IPW_DEBUG_ASSOC |
| 6273 | ("Not attempting association (already in progress)\n"); |
| 6274 | return 0; |
| 6275 | } |
| 6276 | |
| 6277 | if (!ipw_is_init(priv) || (priv->status & STATUS_SCANNING)) { |
| 6278 | IPW_DEBUG_ASSOC |
| 6279 | ("Not attempting association (scanning or not initialized)\n"); |
| 6280 | return 0; |
| 6281 | } |
| 6282 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6283 | if (!(priv->config & CFG_ASSOCIATE) && |
| 6284 | !(priv->config & (CFG_STATIC_ESSID | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6285 | CFG_STATIC_CHANNEL | CFG_STATIC_BSSID))) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6286 | IPW_DEBUG_ASSOC("Not attempting association (associate=0)\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6287 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6288 | } |
| 6289 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6290 | /* Protect our use of the network_list */ |
| 6291 | spin_lock_irqsave(&priv->ieee->lock, flags); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6292 | list_for_each_entry(network, &priv->ieee->network_list, list) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6293 | ipw_best_network(priv, &match, network, 0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6294 | |
| 6295 | network = match.network; |
| 6296 | rates = &match.rates; |
| 6297 | |
| 6298 | if (network == NULL && |
| 6299 | priv->ieee->iw_mode == IW_MODE_ADHOC && |
| 6300 | priv->config & CFG_ADHOC_CREATE && |
| 6301 | priv->config & CFG_STATIC_ESSID && |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6302 | priv->config & CFG_STATIC_CHANNEL && |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6303 | !list_empty(&priv->ieee->network_free_list)) { |
| 6304 | element = priv->ieee->network_free_list.next; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6305 | network = list_entry(element, struct ieee80211_network, list); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6306 | ipw_adhoc_create(priv, network); |
| 6307 | rates = &priv->rates; |
| 6308 | list_del(element); |
| 6309 | list_add_tail(&network->list, &priv->ieee->network_list); |
| 6310 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6311 | spin_unlock_irqrestore(&priv->ieee->lock, flags); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6312 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6313 | /* If we reached the end of the list, then we don't have any valid |
| 6314 | * matching APs */ |
| 6315 | if (!network) { |
| 6316 | ipw_debug_config(priv); |
| 6317 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6318 | if (!(priv->status & STATUS_SCANNING)) |
| 6319 | queue_delayed_work(priv->workqueue, &priv->request_scan, |
| 6320 | SCAN_INTERVAL); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6321 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6322 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6323 | } |
| 6324 | |
| 6325 | ipw_associate_network(priv, network, rates, 0); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6326 | |
| 6327 | return 1; |
| 6328 | } |
| 6329 | |
| 6330 | static void ipw_bg_associate(void *data) |
| 6331 | { |
| 6332 | struct ipw_priv *priv = data; |
| 6333 | down(&priv->sem); |
| 6334 | ipw_associate(data); |
| 6335 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6336 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6337 | |
| 6338 | static inline void ipw_handle_data_packet(struct ipw_priv *priv, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6339 | struct ipw_rx_mem_buffer *rxb, |
| 6340 | struct ieee80211_rx_stats *stats) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6341 | { |
| 6342 | struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data; |
| 6343 | |
| 6344 | /* We received data from the HW, so stop the watchdog */ |
| 6345 | priv->net_dev->trans_start = jiffies; |
| 6346 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6347 | /* We only process data packets if the |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6348 | * interface is open */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6349 | if (unlikely((le16_to_cpu(pkt->u.frame.length) + IPW_RX_FRAME_SIZE) > |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6350 | skb_tailroom(rxb->skb))) { |
| 6351 | priv->ieee->stats.rx_errors++; |
| 6352 | priv->wstats.discard.misc++; |
| 6353 | IPW_DEBUG_DROP("Corruption detected! Oh no!\n"); |
| 6354 | return; |
| 6355 | } else if (unlikely(!netif_running(priv->net_dev))) { |
| 6356 | priv->ieee->stats.rx_dropped++; |
| 6357 | priv->wstats.discard.misc++; |
| 6358 | IPW_DEBUG_DROP("Dropping packet while interface is not up.\n"); |
| 6359 | return; |
| 6360 | } |
| 6361 | |
| 6362 | /* Advance skb->data to the start of the actual payload */ |
Jiri Benc | aaa4d30 | 2005-06-07 14:58:41 +0200 | [diff] [blame] | 6363 | skb_reserve(rxb->skb, offsetof(struct ipw_rx_packet, u.frame.data)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6364 | |
| 6365 | /* Set the size of the skb to the size of the frame */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6366 | skb_put(rxb->skb, le16_to_cpu(pkt->u.frame.length)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6367 | |
| 6368 | IPW_DEBUG_RX("Rx packet of %d bytes.\n", rxb->skb->len); |
| 6369 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6370 | if (!ieee80211_rx(priv->ieee, rxb->skb, stats)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6371 | priv->ieee->stats.rx_errors++; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6372 | else { /* ieee80211_rx succeeded, so it now owns the SKB */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6373 | rxb->skb = NULL; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6374 | ipw_led_activity_on(priv); |
| 6375 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6376 | } |
| 6377 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6378 | static inline int is_network_packet(struct ipw_priv *priv, |
| 6379 | struct ieee80211_hdr_4addr *header) |
| 6380 | { |
| 6381 | /* Filter incoming packets to determine if they are targetted toward |
| 6382 | * this network, discarding packets coming from ourselves */ |
| 6383 | switch (priv->ieee->iw_mode) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6384 | case IW_MODE_ADHOC: /* Header: Dest. | Source | BSSID */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6385 | /* packets from our adapter are dropped (echo) */ |
| 6386 | if (!memcmp(header->addr2, priv->net_dev->dev_addr, ETH_ALEN)) |
| 6387 | return 0; |
| 6388 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6389 | /* {broad,multi}cast packets to our IBSS go through */ |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6390 | if (is_broadcast_ether_addr(header->addr1) || |
| 6391 | is_multicast_ether_addr(header->addr1)) |
| 6392 | return !memcmp(header->addr3, priv->bssid, ETH_ALEN); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6393 | |
| 6394 | /* packets to our adapter go through */ |
| 6395 | return !memcmp(header->addr1, priv->net_dev->dev_addr, |
| 6396 | ETH_ALEN); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6397 | |
| 6398 | case IW_MODE_INFRA: /* Header: Dest. | AP{BSSID} | Source */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6399 | /* packets from our adapter are dropped (echo) */ |
| 6400 | if (!memcmp(header->addr3, priv->net_dev->dev_addr, ETH_ALEN)) |
| 6401 | return 0; |
| 6402 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6403 | /* {broad,multi}cast packets to our IBSS go through */ |
| 6404 | if (is_broadcast_ether_addr(header->addr1) || |
| 6405 | is_multicast_ether_addr(header->addr1)) |
| 6406 | return !memcmp(header->addr2, priv->bssid, ETH_ALEN); |
| 6407 | |
| 6408 | /* packets to our adapter go through */ |
| 6409 | return !memcmp(header->addr1, priv->net_dev->dev_addr, |
| 6410 | ETH_ALEN); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6411 | } |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6412 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6413 | return 1; |
| 6414 | } |
| 6415 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6416 | /* |
| 6417 | * Main entry function for recieving a packet with 80211 headers. This |
| 6418 | * should be called when ever the FW has notified us that there is a new |
| 6419 | * skb in the recieve queue. |
| 6420 | */ |
| 6421 | static void ipw_rx(struct ipw_priv *priv) |
| 6422 | { |
| 6423 | struct ipw_rx_mem_buffer *rxb; |
| 6424 | struct ipw_rx_packet *pkt; |
James Ketrenos | 0dacca1 | 2005-09-21 12:23:41 -0500 | [diff] [blame] | 6425 | struct ieee80211_hdr_4addr *header; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6426 | u32 r, w, i; |
| 6427 | u8 network_packet; |
| 6428 | |
| 6429 | r = ipw_read32(priv, CX2_RX_READ_INDEX); |
| 6430 | w = ipw_read32(priv, CX2_RX_WRITE_INDEX); |
| 6431 | i = (priv->rxq->processed + 1) % RX_QUEUE_SIZE; |
| 6432 | |
| 6433 | while (i != r) { |
| 6434 | rxb = priv->rxq->queue[i]; |
| 6435 | #ifdef CONFIG_IPW_DEBUG |
| 6436 | if (unlikely(rxb == NULL)) { |
| 6437 | printk(KERN_CRIT "Queue not allocated!\n"); |
| 6438 | break; |
| 6439 | } |
| 6440 | #endif |
| 6441 | priv->rxq->queue[i] = NULL; |
| 6442 | |
| 6443 | pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6444 | CX2_RX_BUF_SIZE, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6445 | PCI_DMA_FROMDEVICE); |
| 6446 | |
| 6447 | pkt = (struct ipw_rx_packet *)rxb->skb->data; |
| 6448 | IPW_DEBUG_RX("Packet: type=%02X seq=%02X bits=%02X\n", |
| 6449 | pkt->header.message_type, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6450 | pkt->header.rx_seq_num, pkt->header.control_bits); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6451 | |
| 6452 | switch (pkt->header.message_type) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6453 | case RX_FRAME_TYPE: /* 802.11 frame */ { |
| 6454 | struct ieee80211_rx_stats stats = { |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6455 | .rssi = |
| 6456 | le16_to_cpu(pkt->u.frame.rssi_dbm) - |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6457 | IPW_RSSI_TO_DBM, |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6458 | .signal = |
| 6459 | le16_to_cpu(pkt->u.frame.signal), |
| 6460 | .noise = |
| 6461 | le16_to_cpu(pkt->u.frame.noise), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6462 | .rate = pkt->u.frame.rate, |
| 6463 | .mac_time = jiffies, |
| 6464 | .received_channel = |
| 6465 | pkt->u.frame.received_channel, |
| 6466 | .freq = |
| 6467 | (pkt->u.frame. |
| 6468 | control & (1 << 0)) ? |
| 6469 | IEEE80211_24GHZ_BAND : |
| 6470 | IEEE80211_52GHZ_BAND, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6471 | .len = le16_to_cpu(pkt->u.frame.length), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6472 | }; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6473 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6474 | if (stats.rssi != 0) |
| 6475 | stats.mask |= IEEE80211_STATMASK_RSSI; |
| 6476 | if (stats.signal != 0) |
| 6477 | stats.mask |= IEEE80211_STATMASK_SIGNAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6478 | if (stats.noise != 0) |
| 6479 | stats.mask |= IEEE80211_STATMASK_NOISE; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6480 | if (stats.rate != 0) |
| 6481 | stats.mask |= IEEE80211_STATMASK_RATE; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6482 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6483 | priv->rx_packets++; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6484 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6485 | #ifdef CONFIG_IPW_MONITOR |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6486 | if (priv->ieee->iw_mode == IW_MODE_MONITOR) { |
| 6487 | ipw_handle_data_packet(priv, rxb, |
| 6488 | &stats); |
| 6489 | break; |
| 6490 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6491 | #endif |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6492 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6493 | header = |
James Ketrenos | 0dacca1 | 2005-09-21 12:23:41 -0500 | [diff] [blame] | 6494 | (struct ieee80211_hdr_4addr *)(rxb->skb-> |
| 6495 | data + |
| 6496 | IPW_RX_FRAME_SIZE); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6497 | /* TODO: Check Ad-Hoc dest/source and make sure |
| 6498 | * that we are actually parsing these packets |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6499 | * correctly -- we should probably use the |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6500 | * frame control of the packet and disregard |
| 6501 | * the current iw_mode */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6502 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6503 | network_packet = |
| 6504 | is_network_packet(priv, header); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6505 | if (network_packet && priv->assoc_network) { |
| 6506 | priv->assoc_network->stats.rssi = |
| 6507 | stats.rssi; |
| 6508 | average_add(&priv->average_rssi, |
| 6509 | stats.rssi); |
| 6510 | priv->last_rx_rssi = stats.rssi; |
| 6511 | } |
| 6512 | |
| 6513 | IPW_DEBUG_RX("Frame: len=%u\n", |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6514 | le16_to_cpu(pkt->u.frame.length)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6515 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6516 | if (le16_to_cpu(pkt->u.frame.length) < |
| 6517 | frame_hdr_len(header)) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6518 | IPW_DEBUG_DROP |
| 6519 | ("Received packet is too small. " |
| 6520 | "Dropping.\n"); |
| 6521 | priv->ieee->stats.rx_errors++; |
| 6522 | priv->wstats.discard.misc++; |
| 6523 | break; |
| 6524 | } |
| 6525 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6526 | switch (WLAN_FC_GET_TYPE |
| 6527 | (le16_to_cpu(header->frame_ctl))) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6528 | case IEEE80211_FTYPE_MGMT: |
| 6529 | ieee80211_rx_mgt(priv->ieee, header, |
| 6530 | &stats); |
| 6531 | if (priv->ieee->iw_mode == IW_MODE_ADHOC |
| 6532 | && |
| 6533 | ((WLAN_FC_GET_STYPE |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6534 | (le16_to_cpu(header->frame_ctl)) |
| 6535 | == IEEE80211_STYPE_PROBE_RESP) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6536 | || |
| 6537 | (WLAN_FC_GET_STYPE |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6538 | (le16_to_cpu(header->frame_ctl)) |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6539 | == IEEE80211_STYPE_BEACON))) { |
| 6540 | if (!memcmp |
| 6541 | (header->addr3, priv->bssid, |
| 6542 | ETH_ALEN)) |
| 6543 | ipw_add_station(priv, |
| 6544 | header-> |
| 6545 | addr2); |
| 6546 | else { |
| 6547 | struct |
| 6548 | ieee80211_probe_response |
| 6549 | *beacon; |
| 6550 | beacon = |
| 6551 | (struct |
| 6552 | ieee80211_probe_response |
| 6553 | *)header; |
| 6554 | if (le16_to_cpu |
| 6555 | (beacon-> |
| 6556 | capability) & |
| 6557 | WLAN_CAPABILITY_IBSS) |
| 6558 | { |
| 6559 | queue_work |
| 6560 | (priv-> |
| 6561 | workqueue, |
| 6562 | &priv-> |
| 6563 | merge_networks); |
| 6564 | } |
| 6565 | } |
| 6566 | } |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6567 | break; |
| 6568 | |
| 6569 | case IEEE80211_FTYPE_CTL: |
| 6570 | break; |
| 6571 | |
| 6572 | case IEEE80211_FTYPE_DATA: |
| 6573 | if (network_packet) |
| 6574 | ipw_handle_data_packet(priv, |
| 6575 | rxb, |
| 6576 | &stats); |
| 6577 | else |
| 6578 | IPW_DEBUG_DROP("Dropping: " |
| 6579 | MAC_FMT ", " |
| 6580 | MAC_FMT ", " |
| 6581 | MAC_FMT "\n", |
| 6582 | MAC_ARG(header-> |
| 6583 | addr1), |
| 6584 | MAC_ARG(header-> |
| 6585 | addr2), |
| 6586 | MAC_ARG(header-> |
| 6587 | addr3)); |
| 6588 | break; |
| 6589 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6590 | break; |
| 6591 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6592 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6593 | case RX_HOST_NOTIFICATION_TYPE:{ |
| 6594 | IPW_DEBUG_RX |
| 6595 | ("Notification: subtype=%02X flags=%02X size=%d\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6596 | pkt->u.notification.subtype, |
| 6597 | pkt->u.notification.flags, |
| 6598 | pkt->u.notification.size); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6599 | ipw_rx_notification(priv, &pkt->u.notification); |
| 6600 | break; |
| 6601 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6602 | |
| 6603 | default: |
| 6604 | IPW_DEBUG_RX("Bad Rx packet of type %d\n", |
| 6605 | pkt->header.message_type); |
| 6606 | break; |
| 6607 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6608 | |
| 6609 | /* For now we just don't re-use anything. We can tweak this |
| 6610 | * later to try and re-use notification packets and SKBs that |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6611 | * fail to Rx correctly */ |
| 6612 | if (rxb->skb != NULL) { |
| 6613 | dev_kfree_skb_any(rxb->skb); |
| 6614 | rxb->skb = NULL; |
| 6615 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6616 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6617 | pci_unmap_single(priv->pci_dev, rxb->dma_addr, |
| 6618 | CX2_RX_BUF_SIZE, PCI_DMA_FROMDEVICE); |
| 6619 | list_add_tail(&rxb->list, &priv->rxq->rx_used); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6620 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6621 | i = (i + 1) % RX_QUEUE_SIZE; |
| 6622 | } |
| 6623 | |
| 6624 | /* Backtrack one entry */ |
| 6625 | priv->rxq->processed = (i ? i : RX_QUEUE_SIZE) - 1; |
| 6626 | |
| 6627 | ipw_rx_queue_restock(priv); |
| 6628 | } |
| 6629 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6630 | /* |
| 6631 | * This file defines the Wireless Extension handlers. It does not |
| 6632 | * define any methods of hardware manipulation and relies on the |
| 6633 | * functions defined in ipw_main to provide the HW interaction. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6634 | * |
| 6635 | * The exception to this is the use of the ipw_get_ordinal() |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6636 | * function used to poll the hardware vs. making unecessary calls. |
| 6637 | * |
| 6638 | */ |
| 6639 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6640 | static int ipw_wx_get_name(struct net_device *dev, |
| 6641 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6642 | union iwreq_data *wrqu, char *extra) |
| 6643 | { |
| 6644 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6645 | down(&priv->sem); |
| 6646 | if (priv->status & STATUS_RF_KILL_MASK) |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6647 | strcpy(wrqu->name, "radio off"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6648 | else if (!(priv->status & STATUS_ASSOCIATED)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6649 | strcpy(wrqu->name, "unassociated"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6650 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6651 | snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11%c", |
| 6652 | ipw_modes[priv->assoc_request.ieee_mode]); |
| 6653 | IPW_DEBUG_WX("Name: %s\n", wrqu->name); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6654 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6655 | return 0; |
| 6656 | } |
| 6657 | |
| 6658 | static int ipw_set_channel(struct ipw_priv *priv, u8 channel) |
| 6659 | { |
| 6660 | if (channel == 0) { |
| 6661 | IPW_DEBUG_INFO("Setting channel to ANY (0)\n"); |
| 6662 | priv->config &= ~CFG_STATIC_CHANNEL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6663 | IPW_DEBUG_ASSOC("Attempting to associate with new " |
| 6664 | "parameters.\n"); |
| 6665 | ipw_associate(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6666 | return 0; |
| 6667 | } |
| 6668 | |
| 6669 | priv->config |= CFG_STATIC_CHANNEL; |
| 6670 | |
| 6671 | if (priv->channel == channel) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6672 | IPW_DEBUG_INFO("Request to set channel to current value (%d)\n", |
| 6673 | channel); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6674 | return 0; |
| 6675 | } |
| 6676 | |
| 6677 | IPW_DEBUG_INFO("Setting channel to %i\n", (int)channel); |
| 6678 | priv->channel = channel; |
| 6679 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6680 | /* Network configuration changed -- force [re]association */ |
| 6681 | IPW_DEBUG_ASSOC("[re]association triggered due to channel change.\n"); |
| 6682 | if (!ipw_disassociate(priv)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6683 | ipw_associate(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6684 | |
| 6685 | return 0; |
| 6686 | } |
| 6687 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6688 | static int ipw_wx_set_freq(struct net_device *dev, |
| 6689 | struct iw_request_info *info, |
| 6690 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6691 | { |
| 6692 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6693 | struct iw_freq *fwrq = &wrqu->freq; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6694 | int ret = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6695 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6696 | /* if setting by freq convert to channel */ |
| 6697 | if (fwrq->e == 1) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6698 | if ((fwrq->m >= (int)2.412e8 && fwrq->m <= (int)2.487e8)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6699 | int f = fwrq->m / 100000; |
| 6700 | int c = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6701 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6702 | while ((c < REG_MAX_CHANNEL) && |
| 6703 | (f != ipw_frequencies[c])) |
| 6704 | c++; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6705 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6706 | /* hack to fall through */ |
| 6707 | fwrq->e = 0; |
| 6708 | fwrq->m = c + 1; |
| 6709 | } |
| 6710 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6711 | |
| 6712 | if (fwrq->e > 0 || fwrq->m > 1000) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6713 | return -EOPNOTSUPP; |
| 6714 | |
| 6715 | IPW_DEBUG_WX("SET Freq/Channel -> %d \n", fwrq->m); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6716 | down(&priv->sem); |
| 6717 | ret = ipw_set_channel(priv, (u8) fwrq->m); |
| 6718 | up(&priv->sem); |
| 6719 | return ret; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6720 | } |
| 6721 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6722 | static int ipw_wx_get_freq(struct net_device *dev, |
| 6723 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6724 | union iwreq_data *wrqu, char *extra) |
| 6725 | { |
| 6726 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6727 | |
| 6728 | wrqu->freq.e = 0; |
| 6729 | |
| 6730 | /* If we are associated, trying to associate, or have a statically |
| 6731 | * configured CHANNEL then return that; otherwise return ANY */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6732 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6733 | if (priv->config & CFG_STATIC_CHANNEL || |
| 6734 | priv->status & (STATUS_ASSOCIATING | STATUS_ASSOCIATED)) |
| 6735 | wrqu->freq.m = priv->channel; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6736 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6737 | wrqu->freq.m = 0; |
| 6738 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6739 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6740 | IPW_DEBUG_WX("GET Freq/Channel -> %d \n", priv->channel); |
| 6741 | return 0; |
| 6742 | } |
| 6743 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6744 | static int ipw_wx_set_mode(struct net_device *dev, |
| 6745 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6746 | union iwreq_data *wrqu, char *extra) |
| 6747 | { |
| 6748 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6749 | int err = 0; |
| 6750 | |
| 6751 | IPW_DEBUG_WX("Set MODE: %d\n", wrqu->mode); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6752 | down(&priv->sem); |
| 6753 | if (wrqu->mode == priv->ieee->iw_mode) { |
| 6754 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6755 | return 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6756 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6757 | |
| 6758 | switch (wrqu->mode) { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6759 | #ifdef CONFIG_IPW_MONITOR |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6760 | case IW_MODE_MONITOR: |
| 6761 | #endif |
| 6762 | case IW_MODE_ADHOC: |
| 6763 | case IW_MODE_INFRA: |
| 6764 | break; |
| 6765 | case IW_MODE_AUTO: |
| 6766 | wrqu->mode = IW_MODE_INFRA; |
| 6767 | break; |
| 6768 | default: |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6769 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6770 | return -EINVAL; |
| 6771 | } |
| 6772 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6773 | #ifdef CONFIG_IPW_MONITOR |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6774 | if (priv->ieee->iw_mode == IW_MODE_MONITOR) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6775 | priv->net_dev->type = ARPHRD_ETHER; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6776 | |
| 6777 | if (wrqu->mode == IW_MODE_MONITOR) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6778 | priv->net_dev->type = ARPHRD_IEEE80211; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 6779 | #endif /* CONFIG_IPW_MONITOR */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6780 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6781 | #ifdef CONFIG_PM |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6782 | /* Free the existing firmware and reset the fw_loaded |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6783 | * flag so ipw_load() will bring in the new firmawre */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 6784 | if (fw_loaded) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6785 | fw_loaded = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6786 | |
| 6787 | release_firmware(bootfw); |
| 6788 | release_firmware(ucode); |
| 6789 | release_firmware(firmware); |
| 6790 | bootfw = ucode = firmware = NULL; |
| 6791 | #endif |
| 6792 | |
| 6793 | priv->ieee->iw_mode = wrqu->mode; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6794 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6795 | queue_work(priv->workqueue, &priv->adapter_restart); |
| 6796 | up(&priv->sem); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6797 | return err; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6798 | } |
| 6799 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6800 | static int ipw_wx_get_mode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6801 | struct iw_request_info *info, |
| 6802 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6803 | { |
| 6804 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6805 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6806 | wrqu->mode = priv->ieee->iw_mode; |
| 6807 | IPW_DEBUG_WX("Get MODE -> %d\n", wrqu->mode); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6808 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6809 | return 0; |
| 6810 | } |
| 6811 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6812 | #define DEFAULT_RTS_THRESHOLD 2304U |
| 6813 | #define MIN_RTS_THRESHOLD 1U |
| 6814 | #define MAX_RTS_THRESHOLD 2304U |
| 6815 | #define DEFAULT_BEACON_INTERVAL 100U |
| 6816 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| 6817 | #define DEFAULT_LONG_RETRY_LIMIT 4U |
| 6818 | |
| 6819 | /* Values are in microsecond */ |
| 6820 | static const s32 timeout_duration[] = { |
| 6821 | 350000, |
| 6822 | 250000, |
| 6823 | 75000, |
| 6824 | 37000, |
| 6825 | 25000, |
| 6826 | }; |
| 6827 | |
| 6828 | static const s32 period_duration[] = { |
| 6829 | 400000, |
| 6830 | 700000, |
| 6831 | 1000000, |
| 6832 | 1000000, |
| 6833 | 1000000 |
| 6834 | }; |
| 6835 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6836 | static int ipw_wx_get_range(struct net_device *dev, |
| 6837 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6838 | union iwreq_data *wrqu, char *extra) |
| 6839 | { |
| 6840 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6841 | struct iw_range *range = (struct iw_range *)extra; |
| 6842 | u16 val; |
| 6843 | int i; |
| 6844 | |
| 6845 | wrqu->data.length = sizeof(*range); |
| 6846 | memset(range, 0, sizeof(*range)); |
| 6847 | |
| 6848 | /* 54Mbs == ~27 Mb/s real (802.11g) */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6849 | range->throughput = 27 * 1000 * 1000; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6850 | |
| 6851 | range->max_qual.qual = 100; |
| 6852 | /* TODO: Find real max RSSI and stick here */ |
| 6853 | range->max_qual.level = 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6854 | range->max_qual.noise = priv->ieee->worst_rssi + 0x100; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6855 | range->max_qual.updated = 7; /* Updated all three */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6856 | |
| 6857 | range->avg_qual.qual = 70; |
| 6858 | /* TODO: Find real 'good' to 'bad' threshol value for RSSI */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6859 | range->avg_qual.level = 0; /* FIXME to real average level */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6860 | range->avg_qual.noise = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6861 | range->avg_qual.updated = 7; /* Updated all three */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6862 | down(&priv->sem); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6863 | range->num_bitrates = min(priv->rates.num_rates, (u8) IW_MAX_BITRATES); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6864 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6865 | for (i = 0; i < range->num_bitrates; i++) |
| 6866 | range->bitrate[i] = (priv->rates.supported_rates[i] & 0x7F) * |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6867 | 500000; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6868 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6869 | range->max_rts = DEFAULT_RTS_THRESHOLD; |
| 6870 | range->min_frag = MIN_FRAG_THRESHOLD; |
| 6871 | range->max_frag = MAX_FRAG_THRESHOLD; |
| 6872 | |
| 6873 | range->encoding_size[0] = 5; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6874 | range->encoding_size[1] = 13; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6875 | range->num_encoding_sizes = 2; |
| 6876 | range->max_encoding_tokens = WEP_KEYS; |
| 6877 | |
| 6878 | /* Set the Wireless Extension versions */ |
| 6879 | range->we_version_compiled = WIRELESS_EXT; |
| 6880 | range->we_version_source = 16; |
| 6881 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6882 | range->num_channels = FREQ_COUNT; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6883 | |
| 6884 | val = 0; |
| 6885 | for (i = 0; i < FREQ_COUNT; i++) { |
| 6886 | range->freq[val].i = i + 1; |
| 6887 | range->freq[val].m = ipw_frequencies[i] * 100000; |
| 6888 | range->freq[val].e = 1; |
| 6889 | val++; |
| 6890 | |
| 6891 | if (val == IW_MAX_FREQUENCIES) |
| 6892 | break; |
| 6893 | } |
| 6894 | range->num_frequency = val; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6895 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6896 | IPW_DEBUG_WX("GET Range\n"); |
| 6897 | return 0; |
| 6898 | } |
| 6899 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6900 | static int ipw_wx_set_wap(struct net_device *dev, |
| 6901 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6902 | union iwreq_data *wrqu, char *extra) |
| 6903 | { |
| 6904 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6905 | |
| 6906 | static const unsigned char any[] = { |
| 6907 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 6908 | }; |
| 6909 | static const unsigned char off[] = { |
| 6910 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| 6911 | }; |
| 6912 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6913 | if (wrqu->ap_addr.sa_family != ARPHRD_ETHER) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6914 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6915 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6916 | if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) || |
| 6917 | !memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) { |
| 6918 | /* we disable mandatory BSSID association */ |
| 6919 | IPW_DEBUG_WX("Setting AP BSSID to ANY\n"); |
| 6920 | priv->config &= ~CFG_STATIC_BSSID; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6921 | IPW_DEBUG_ASSOC("Attempting to associate with new " |
| 6922 | "parameters.\n"); |
| 6923 | ipw_associate(priv); |
| 6924 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6925 | return 0; |
| 6926 | } |
| 6927 | |
| 6928 | priv->config |= CFG_STATIC_BSSID; |
| 6929 | if (!memcmp(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN)) { |
| 6930 | IPW_DEBUG_WX("BSSID set to current BSSID.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6931 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6932 | return 0; |
| 6933 | } |
| 6934 | |
| 6935 | IPW_DEBUG_WX("Setting mandatory BSSID to " MAC_FMT "\n", |
| 6936 | MAC_ARG(wrqu->ap_addr.sa_data)); |
| 6937 | |
| 6938 | memcpy(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN); |
| 6939 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6940 | /* Network configuration changed -- force [re]association */ |
| 6941 | IPW_DEBUG_ASSOC("[re]association triggered due to BSSID change.\n"); |
| 6942 | if (!ipw_disassociate(priv)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6943 | ipw_associate(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6944 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6945 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6946 | return 0; |
| 6947 | } |
| 6948 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6949 | static int ipw_wx_get_wap(struct net_device *dev, |
| 6950 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6951 | union iwreq_data *wrqu, char *extra) |
| 6952 | { |
| 6953 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 6954 | /* If we are associated, trying to associate, or have a statically |
| 6955 | * configured BSSID then return that; otherwise return ANY */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6956 | down(&priv->sem); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6957 | if (priv->config & CFG_STATIC_BSSID || |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6958 | priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) { |
| 6959 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; |
| 6960 | memcpy(wrqu->ap_addr.sa_data, &priv->bssid, ETH_ALEN); |
| 6961 | } else |
| 6962 | memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); |
| 6963 | |
| 6964 | IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n", |
| 6965 | MAC_ARG(wrqu->ap_addr.sa_data)); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6966 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6967 | return 0; |
| 6968 | } |
| 6969 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 6970 | static int ipw_wx_set_essid(struct net_device *dev, |
| 6971 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6972 | union iwreq_data *wrqu, char *extra) |
| 6973 | { |
| 6974 | struct ipw_priv *priv = ieee80211_priv(dev); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 6975 | char *essid = ""; /* ANY */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6976 | int length = 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6977 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6978 | if (wrqu->essid.flags && wrqu->essid.length) { |
| 6979 | length = wrqu->essid.length - 1; |
| 6980 | essid = extra; |
| 6981 | } |
| 6982 | if (length == 0) { |
| 6983 | IPW_DEBUG_WX("Setting ESSID to ANY\n"); |
| 6984 | priv->config &= ~CFG_STATIC_ESSID; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6985 | if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING))) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6986 | IPW_DEBUG_ASSOC("Attempting to associate with new " |
| 6987 | "parameters.\n"); |
| 6988 | ipw_associate(priv); |
| 6989 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 6990 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 6991 | return 0; |
| 6992 | } |
| 6993 | |
| 6994 | length = min(length, IW_ESSID_MAX_SIZE); |
| 6995 | |
| 6996 | priv->config |= CFG_STATIC_ESSID; |
| 6997 | |
| 6998 | if (priv->essid_len == length && !memcmp(priv->essid, extra, length)) { |
| 6999 | IPW_DEBUG_WX("ESSID set to current ESSID.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7000 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7001 | return 0; |
| 7002 | } |
| 7003 | |
| 7004 | IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_essid(essid, length), |
| 7005 | length); |
| 7006 | |
| 7007 | priv->essid_len = length; |
| 7008 | memcpy(priv->essid, essid, priv->essid_len); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7009 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7010 | /* Network configuration changed -- force [re]association */ |
| 7011 | IPW_DEBUG_ASSOC("[re]association triggered due to ESSID change.\n"); |
| 7012 | if (!ipw_disassociate(priv)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7013 | ipw_associate(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7014 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7015 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7016 | return 0; |
| 7017 | } |
| 7018 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7019 | static int ipw_wx_get_essid(struct net_device *dev, |
| 7020 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7021 | union iwreq_data *wrqu, char *extra) |
| 7022 | { |
| 7023 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7024 | |
| 7025 | /* If we are associated, trying to associate, or have a statically |
| 7026 | * configured ESSID then return that; otherwise return ANY */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7027 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7028 | if (priv->config & CFG_STATIC_ESSID || |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7029 | priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) { |
| 7030 | IPW_DEBUG_WX("Getting essid: '%s'\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7031 | escape_essid(priv->essid, priv->essid_len)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7032 | memcpy(extra, priv->essid, priv->essid_len); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7033 | wrqu->essid.length = priv->essid_len; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7034 | wrqu->essid.flags = 1; /* active */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7035 | } else { |
| 7036 | IPW_DEBUG_WX("Getting essid: ANY\n"); |
| 7037 | wrqu->essid.length = 0; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7038 | wrqu->essid.flags = 0; /* active */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7039 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7040 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7041 | return 0; |
| 7042 | } |
| 7043 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7044 | static int ipw_wx_set_nick(struct net_device *dev, |
| 7045 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7046 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7047 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7048 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7049 | |
| 7050 | IPW_DEBUG_WX("Setting nick to '%s'\n", extra); |
| 7051 | if (wrqu->data.length > IW_ESSID_MAX_SIZE) |
| 7052 | return -E2BIG; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7053 | down(&priv->sem); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7054 | wrqu->data.length = min((size_t) wrqu->data.length, sizeof(priv->nick)); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7055 | memset(priv->nick, 0, sizeof(priv->nick)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7056 | memcpy(priv->nick, extra, wrqu->data.length); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7057 | IPW_DEBUG_TRACE("<<\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7058 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7059 | return 0; |
| 7060 | |
| 7061 | } |
| 7062 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7063 | static int ipw_wx_get_nick(struct net_device *dev, |
| 7064 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7065 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7066 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7067 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7068 | IPW_DEBUG_WX("Getting nick\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7069 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7070 | wrqu->data.length = strlen(priv->nick) + 1; |
| 7071 | memcpy(extra, priv->nick, wrqu->data.length); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7072 | wrqu->data.flags = 1; /* active */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7073 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7074 | return 0; |
| 7075 | } |
| 7076 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7077 | static int ipw_wx_set_rate(struct net_device *dev, |
| 7078 | struct iw_request_info *info, |
| 7079 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7080 | { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7081 | /* TODO: We should use semaphores or locks for access to priv */ |
| 7082 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7083 | u32 target_rate = wrqu->bitrate.value; |
| 7084 | u32 fixed, mask; |
| 7085 | |
| 7086 | /* value = -1, fixed = 0 means auto only, so we should use all rates offered by AP */ |
| 7087 | /* value = X, fixed = 1 means only rate X */ |
| 7088 | /* value = X, fixed = 0 means all rates lower equal X */ |
| 7089 | |
| 7090 | if (target_rate == -1) { |
| 7091 | fixed = 0; |
| 7092 | mask = IEEE80211_DEFAULT_RATES_MASK; |
| 7093 | /* Now we should reassociate */ |
| 7094 | goto apply; |
| 7095 | } |
| 7096 | |
| 7097 | mask = 0; |
| 7098 | fixed = wrqu->bitrate.fixed; |
| 7099 | |
| 7100 | if (target_rate == 1000000 || !fixed) |
| 7101 | mask |= IEEE80211_CCK_RATE_1MB_MASK; |
| 7102 | if (target_rate == 1000000) |
| 7103 | goto apply; |
| 7104 | |
| 7105 | if (target_rate == 2000000 || !fixed) |
| 7106 | mask |= IEEE80211_CCK_RATE_2MB_MASK; |
| 7107 | if (target_rate == 2000000) |
| 7108 | goto apply; |
| 7109 | |
| 7110 | if (target_rate == 5500000 || !fixed) |
| 7111 | mask |= IEEE80211_CCK_RATE_5MB_MASK; |
| 7112 | if (target_rate == 5500000) |
| 7113 | goto apply; |
| 7114 | |
| 7115 | if (target_rate == 6000000 || !fixed) |
| 7116 | mask |= IEEE80211_OFDM_RATE_6MB_MASK; |
| 7117 | if (target_rate == 6000000) |
| 7118 | goto apply; |
| 7119 | |
| 7120 | if (target_rate == 9000000 || !fixed) |
| 7121 | mask |= IEEE80211_OFDM_RATE_9MB_MASK; |
| 7122 | if (target_rate == 9000000) |
| 7123 | goto apply; |
| 7124 | |
| 7125 | if (target_rate == 11000000 || !fixed) |
| 7126 | mask |= IEEE80211_CCK_RATE_11MB_MASK; |
| 7127 | if (target_rate == 11000000) |
| 7128 | goto apply; |
| 7129 | |
| 7130 | if (target_rate == 12000000 || !fixed) |
| 7131 | mask |= IEEE80211_OFDM_RATE_12MB_MASK; |
| 7132 | if (target_rate == 12000000) |
| 7133 | goto apply; |
| 7134 | |
| 7135 | if (target_rate == 18000000 || !fixed) |
| 7136 | mask |= IEEE80211_OFDM_RATE_18MB_MASK; |
| 7137 | if (target_rate == 18000000) |
| 7138 | goto apply; |
| 7139 | |
| 7140 | if (target_rate == 24000000 || !fixed) |
| 7141 | mask |= IEEE80211_OFDM_RATE_24MB_MASK; |
| 7142 | if (target_rate == 24000000) |
| 7143 | goto apply; |
| 7144 | |
| 7145 | if (target_rate == 36000000 || !fixed) |
| 7146 | mask |= IEEE80211_OFDM_RATE_36MB_MASK; |
| 7147 | if (target_rate == 36000000) |
| 7148 | goto apply; |
| 7149 | |
| 7150 | if (target_rate == 48000000 || !fixed) |
| 7151 | mask |= IEEE80211_OFDM_RATE_48MB_MASK; |
| 7152 | if (target_rate == 48000000) |
| 7153 | goto apply; |
| 7154 | |
| 7155 | if (target_rate == 54000000 || !fixed) |
| 7156 | mask |= IEEE80211_OFDM_RATE_54MB_MASK; |
| 7157 | if (target_rate == 54000000) |
| 7158 | goto apply; |
| 7159 | |
| 7160 | IPW_DEBUG_WX("invalid rate specified, returning error\n"); |
| 7161 | return -EINVAL; |
| 7162 | |
| 7163 | apply: |
| 7164 | IPW_DEBUG_WX("Setting rate mask to 0x%08X [%s]\n", |
| 7165 | mask, fixed ? "fixed" : "sub-rates"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7166 | down(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7167 | if (mask == IEEE80211_DEFAULT_RATES_MASK) |
| 7168 | priv->config &= ~CFG_FIXED_RATE; |
| 7169 | else |
| 7170 | priv->config |= CFG_FIXED_RATE; |
| 7171 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7172 | if (priv->rates_mask == mask) { |
| 7173 | IPW_DEBUG_WX("Mask set to current mask.\n"); |
| 7174 | up(&priv->sem); |
| 7175 | return 0; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7176 | } |
| 7177 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7178 | priv->rates_mask = mask; |
| 7179 | |
| 7180 | /* Network configuration changed -- force [re]association */ |
| 7181 | IPW_DEBUG_ASSOC("[re]association triggered due to rates change.\n"); |
| 7182 | if (!ipw_disassociate(priv)) |
| 7183 | ipw_associate(priv); |
| 7184 | |
| 7185 | up(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7186 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7187 | } |
| 7188 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7189 | static int ipw_wx_get_rate(struct net_device *dev, |
| 7190 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7191 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7192 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7193 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7194 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7195 | wrqu->bitrate.value = priv->last_rate; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7196 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7197 | IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value); |
| 7198 | return 0; |
| 7199 | } |
| 7200 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7201 | static int ipw_wx_set_rts(struct net_device *dev, |
| 7202 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7203 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7204 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7205 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7206 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7207 | if (wrqu->rts.disabled) |
| 7208 | priv->rts_threshold = DEFAULT_RTS_THRESHOLD; |
| 7209 | else { |
| 7210 | if (wrqu->rts.value < MIN_RTS_THRESHOLD || |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7211 | wrqu->rts.value > MAX_RTS_THRESHOLD) { |
| 7212 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7213 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7214 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7215 | priv->rts_threshold = wrqu->rts.value; |
| 7216 | } |
| 7217 | |
| 7218 | ipw_send_rts_threshold(priv, priv->rts_threshold); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7219 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7220 | IPW_DEBUG_WX("SET RTS Threshold -> %d \n", priv->rts_threshold); |
| 7221 | return 0; |
| 7222 | } |
| 7223 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7224 | static int ipw_wx_get_rts(struct net_device *dev, |
| 7225 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7226 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7227 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7228 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7229 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7230 | wrqu->rts.value = priv->rts_threshold; |
| 7231 | wrqu->rts.fixed = 0; /* no auto select */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7232 | wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7233 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7234 | IPW_DEBUG_WX("GET RTS Threshold -> %d \n", wrqu->rts.value); |
| 7235 | return 0; |
| 7236 | } |
| 7237 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7238 | static int ipw_wx_set_txpow(struct net_device *dev, |
| 7239 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7240 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7241 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7242 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7243 | struct ipw_tx_power tx_power; |
| 7244 | int i; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7245 | down(&priv->sem); |
| 7246 | if (ipw_radio_kill_sw(priv, wrqu->power.disabled)) { |
| 7247 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7248 | return -EINPROGRESS; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7249 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7250 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7251 | if (wrqu->power.flags != IW_TXPOW_DBM) { |
| 7252 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7253 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7254 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7255 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7256 | if ((wrqu->power.value > 20) || (wrqu->power.value < -12)) { |
| 7257 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7258 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7259 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7260 | |
| 7261 | priv->tx_power = wrqu->power.value; |
| 7262 | |
| 7263 | memset(&tx_power, 0, sizeof(tx_power)); |
| 7264 | |
| 7265 | /* configure device for 'G' band */ |
| 7266 | tx_power.ieee_mode = IPW_G_MODE; |
| 7267 | tx_power.num_channels = 11; |
| 7268 | for (i = 0; i < 11; i++) { |
| 7269 | tx_power.channels_tx_power[i].channel_number = i + 1; |
| 7270 | tx_power.channels_tx_power[i].tx_power = priv->tx_power; |
| 7271 | } |
| 7272 | if (ipw_send_tx_power(priv, &tx_power)) |
| 7273 | goto error; |
| 7274 | |
| 7275 | /* configure device to also handle 'B' band */ |
| 7276 | tx_power.ieee_mode = IPW_B_MODE; |
| 7277 | if (ipw_send_tx_power(priv, &tx_power)) |
| 7278 | goto error; |
| 7279 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7280 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7281 | return 0; |
| 7282 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7283 | error: |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7284 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7285 | return -EIO; |
| 7286 | } |
| 7287 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7288 | static int ipw_wx_get_txpow(struct net_device *dev, |
| 7289 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7290 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7291 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7292 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7293 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7294 | wrqu->power.value = priv->tx_power; |
| 7295 | wrqu->power.fixed = 1; |
| 7296 | wrqu->power.flags = IW_TXPOW_DBM; |
| 7297 | wrqu->power.disabled = (priv->status & STATUS_RF_KILL_MASK) ? 1 : 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7298 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7299 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7300 | IPW_DEBUG_WX("GET TX Power -> %s %d \n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7301 | wrqu->power.disabled ? "ON" : "OFF", wrqu->power.value); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7302 | |
| 7303 | return 0; |
| 7304 | } |
| 7305 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7306 | static int ipw_wx_set_frag(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7307 | struct iw_request_info *info, |
| 7308 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7309 | { |
| 7310 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7311 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7312 | if (wrqu->frag.disabled) |
| 7313 | priv->ieee->fts = DEFAULT_FTS; |
| 7314 | else { |
| 7315 | if (wrqu->frag.value < MIN_FRAG_THRESHOLD || |
| 7316 | wrqu->frag.value > MAX_FRAG_THRESHOLD) |
| 7317 | return -EINVAL; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7318 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7319 | priv->ieee->fts = wrqu->frag.value & ~0x1; |
| 7320 | } |
| 7321 | |
| 7322 | ipw_send_frag_threshold(priv, wrqu->frag.value); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7323 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7324 | IPW_DEBUG_WX("SET Frag Threshold -> %d \n", wrqu->frag.value); |
| 7325 | return 0; |
| 7326 | } |
| 7327 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7328 | static int ipw_wx_get_frag(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7329 | struct iw_request_info *info, |
| 7330 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7331 | { |
| 7332 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7333 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7334 | wrqu->frag.value = priv->ieee->fts; |
| 7335 | wrqu->frag.fixed = 0; /* no auto select */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7336 | wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FTS); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7337 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7338 | IPW_DEBUG_WX("GET Frag Threshold -> %d \n", wrqu->frag.value); |
| 7339 | |
| 7340 | return 0; |
| 7341 | } |
| 7342 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7343 | static int ipw_wx_set_retry(struct net_device *dev, |
| 7344 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7345 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7346 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7347 | IPW_DEBUG_WX("0x%p, 0x%p, 0x%p\n", dev, info, wrqu); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7348 | return -EOPNOTSUPP; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7349 | } |
| 7350 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7351 | static int ipw_wx_get_retry(struct net_device *dev, |
| 7352 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7353 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7354 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7355 | IPW_DEBUG_WX("0x%p, 0x%p, 0x%p\n", dev, info, wrqu); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7356 | return -EOPNOTSUPP; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7357 | } |
| 7358 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7359 | static int ipw_wx_set_scan(struct net_device *dev, |
| 7360 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7361 | union iwreq_data *wrqu, char *extra) |
| 7362 | { |
| 7363 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7364 | IPW_DEBUG_WX("Start scan\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7365 | down(&priv->sem); |
| 7366 | if (ipw_request_scan(priv)) { |
| 7367 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7368 | return -EIO; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7369 | } |
| 7370 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7371 | return 0; |
| 7372 | } |
| 7373 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7374 | static int ipw_wx_get_scan(struct net_device *dev, |
| 7375 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7376 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7377 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7378 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7379 | return ieee80211_wx_get_scan(priv->ieee, info, wrqu, extra); |
| 7380 | } |
| 7381 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7382 | static int ipw_wx_set_encode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7383 | struct iw_request_info *info, |
| 7384 | union iwreq_data *wrqu, char *key) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7385 | { |
| 7386 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7387 | return ieee80211_wx_set_encode(priv->ieee, info, wrqu, key); |
| 7388 | } |
| 7389 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7390 | static int ipw_wx_get_encode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7391 | struct iw_request_info *info, |
| 7392 | union iwreq_data *wrqu, char *key) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7393 | { |
| 7394 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7395 | return ieee80211_wx_get_encode(priv->ieee, info, wrqu, key); |
| 7396 | } |
| 7397 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7398 | static int ipw_wx_set_power(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7399 | struct iw_request_info *info, |
| 7400 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7401 | { |
| 7402 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7403 | int err; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7404 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7405 | if (wrqu->power.disabled) { |
| 7406 | priv->power_mode = IPW_POWER_LEVEL(priv->power_mode); |
| 7407 | err = ipw_send_power_mode(priv, IPW_POWER_MODE_CAM); |
| 7408 | if (err) { |
| 7409 | IPW_DEBUG_WX("failed setting power mode.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7410 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7411 | return err; |
| 7412 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7413 | IPW_DEBUG_WX("SET Power Management Mode -> off\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7414 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7415 | return 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7416 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7417 | |
| 7418 | switch (wrqu->power.flags & IW_POWER_MODE) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7419 | case IW_POWER_ON: /* If not specified */ |
| 7420 | case IW_POWER_MODE: /* If set all mask */ |
| 7421 | case IW_POWER_ALL_R: /* If explicitely state all */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7422 | break; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7423 | default: /* Otherwise we don't support it */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7424 | IPW_DEBUG_WX("SET PM Mode: %X not supported.\n", |
| 7425 | wrqu->power.flags); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7426 | up(&priv->sem); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7427 | return -EOPNOTSUPP; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7428 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7429 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7430 | /* If the user hasn't specified a power management mode yet, default |
| 7431 | * to BATTERY */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7432 | if (IPW_POWER_LEVEL(priv->power_mode) == IPW_POWER_AC) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7433 | priv->power_mode = IPW_POWER_ENABLED | IPW_POWER_BATTERY; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7434 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7435 | priv->power_mode = IPW_POWER_ENABLED | priv->power_mode; |
| 7436 | err = ipw_send_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode)); |
| 7437 | if (err) { |
| 7438 | IPW_DEBUG_WX("failed setting power mode.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7439 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7440 | return err; |
| 7441 | } |
| 7442 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7443 | IPW_DEBUG_WX("SET Power Management Mode -> 0x%02X\n", priv->power_mode); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7444 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7445 | return 0; |
| 7446 | } |
| 7447 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7448 | static int ipw_wx_get_power(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7449 | struct iw_request_info *info, |
| 7450 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7451 | { |
| 7452 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7453 | down(&priv->sem); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7454 | if (!(priv->power_mode & IPW_POWER_ENABLED)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7455 | wrqu->power.disabled = 1; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7456 | else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7457 | wrqu->power.disabled = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7458 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7459 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7460 | IPW_DEBUG_WX("GET Power Management Mode -> %02X\n", priv->power_mode); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7461 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7462 | return 0; |
| 7463 | } |
| 7464 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7465 | static int ipw_wx_set_powermode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7466 | struct iw_request_info *info, |
| 7467 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7468 | { |
| 7469 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7470 | int mode = *(int *)extra; |
| 7471 | int err; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7472 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7473 | if ((mode < 1) || (mode > IPW_POWER_LIMIT)) { |
| 7474 | mode = IPW_POWER_AC; |
| 7475 | priv->power_mode = mode; |
| 7476 | } else { |
| 7477 | priv->power_mode = IPW_POWER_ENABLED | mode; |
| 7478 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7479 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7480 | if (priv->power_mode != mode) { |
| 7481 | err = ipw_send_power_mode(priv, mode); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7482 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7483 | if (err) { |
| 7484 | IPW_DEBUG_WX("failed setting power mode.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7485 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7486 | return err; |
| 7487 | } |
| 7488 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7489 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7490 | return 0; |
| 7491 | } |
| 7492 | |
| 7493 | #define MAX_WX_STRING 80 |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7494 | static int ipw_wx_get_powermode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7495 | struct iw_request_info *info, |
| 7496 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7497 | { |
| 7498 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7499 | int level = IPW_POWER_LEVEL(priv->power_mode); |
| 7500 | char *p = extra; |
| 7501 | |
| 7502 | p += snprintf(p, MAX_WX_STRING, "Power save level: %d ", level); |
| 7503 | |
| 7504 | switch (level) { |
| 7505 | case IPW_POWER_AC: |
| 7506 | p += snprintf(p, MAX_WX_STRING - (p - extra), "(AC)"); |
| 7507 | break; |
| 7508 | case IPW_POWER_BATTERY: |
| 7509 | p += snprintf(p, MAX_WX_STRING - (p - extra), "(BATTERY)"); |
| 7510 | break; |
| 7511 | default: |
| 7512 | p += snprintf(p, MAX_WX_STRING - (p - extra), |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7513 | "(Timeout %dms, Period %dms)", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7514 | timeout_duration[level - 1] / 1000, |
| 7515 | period_duration[level - 1] / 1000); |
| 7516 | } |
| 7517 | |
| 7518 | if (!(priv->power_mode & IPW_POWER_ENABLED)) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7519 | p += snprintf(p, MAX_WX_STRING - (p - extra), " OFF"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7520 | |
| 7521 | wrqu->data.length = p - extra + 1; |
| 7522 | |
| 7523 | return 0; |
| 7524 | } |
| 7525 | |
| 7526 | static int ipw_wx_set_wireless_mode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7527 | struct iw_request_info *info, |
| 7528 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7529 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7530 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7531 | int mode = *(int *)extra; |
| 7532 | u8 band = 0, modulation = 0; |
| 7533 | |
| 7534 | if (mode == 0 || mode & ~IEEE_MODE_MASK) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7535 | IPW_WARNING("Attempt to set invalid wireless mode: %d\n", mode); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7536 | return -EINVAL; |
| 7537 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7538 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7539 | if (priv->adapter == IPW_2915ABG) { |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 7540 | priv->ieee->abg_true = 1; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7541 | if (mode & IEEE_A) { |
| 7542 | band |= IEEE80211_52GHZ_BAND; |
| 7543 | modulation |= IEEE80211_OFDM_MODULATION; |
| 7544 | } else |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 7545 | priv->ieee->abg_true = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7546 | } else { |
| 7547 | if (mode & IEEE_A) { |
| 7548 | IPW_WARNING("Attempt to set 2200BG into " |
| 7549 | "802.11a mode\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7550 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7551 | return -EINVAL; |
| 7552 | } |
| 7553 | |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 7554 | priv->ieee->abg_true = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7555 | } |
| 7556 | |
| 7557 | if (mode & IEEE_B) { |
| 7558 | band |= IEEE80211_24GHZ_BAND; |
| 7559 | modulation |= IEEE80211_CCK_MODULATION; |
| 7560 | } else |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 7561 | priv->ieee->abg_true = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7562 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7563 | if (mode & IEEE_G) { |
| 7564 | band |= IEEE80211_24GHZ_BAND; |
| 7565 | modulation |= IEEE80211_OFDM_MODULATION; |
| 7566 | } else |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 7567 | priv->ieee->abg_true = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7568 | |
| 7569 | priv->ieee->mode = mode; |
| 7570 | priv->ieee->freq_band = band; |
| 7571 | priv->ieee->modulation = modulation; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7572 | init_supported_rates(priv, &priv->rates); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7573 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7574 | /* Network configuration changed -- force [re]association */ |
| 7575 | IPW_DEBUG_ASSOC("[re]association triggered due to mode change.\n"); |
| 7576 | if (!ipw_disassociate(priv)) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7577 | ipw_send_supported_rates(priv, &priv->rates); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7578 | ipw_associate(priv); |
| 7579 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7580 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7581 | /* Update the band LEDs */ |
| 7582 | ipw_led_band_on(priv); |
| 7583 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7584 | IPW_DEBUG_WX("PRIV SET MODE: %c%c%c\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7585 | mode & IEEE_A ? 'a' : '.', |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7586 | mode & IEEE_B ? 'b' : '.', mode & IEEE_G ? 'g' : '.'); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7587 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7588 | return 0; |
| 7589 | } |
| 7590 | |
| 7591 | static int ipw_wx_get_wireless_mode(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7592 | struct iw_request_info *info, |
| 7593 | union iwreq_data *wrqu, char *extra) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7594 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7595 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7596 | down(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7597 | switch (priv->ieee->mode) { |
| 7598 | case IEEE_A: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7599 | strncpy(extra, "802.11a (1)", MAX_WX_STRING); |
| 7600 | break; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7601 | case IEEE_B: |
| 7602 | strncpy(extra, "802.11b (2)", MAX_WX_STRING); |
| 7603 | break; |
| 7604 | case IEEE_A | IEEE_B: |
| 7605 | strncpy(extra, "802.11ab (3)", MAX_WX_STRING); |
| 7606 | break; |
| 7607 | case IEEE_G: |
| 7608 | strncpy(extra, "802.11g (4)", MAX_WX_STRING); |
| 7609 | break; |
| 7610 | case IEEE_A | IEEE_G: |
| 7611 | strncpy(extra, "802.11ag (5)", MAX_WX_STRING); |
| 7612 | break; |
| 7613 | case IEEE_B | IEEE_G: |
| 7614 | strncpy(extra, "802.11bg (6)", MAX_WX_STRING); |
| 7615 | break; |
| 7616 | case IEEE_A | IEEE_B | IEEE_G: |
| 7617 | strncpy(extra, "802.11abg (7)", MAX_WX_STRING); |
| 7618 | break; |
| 7619 | default: |
| 7620 | strncpy(extra, "unknown", MAX_WX_STRING); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7621 | break; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7622 | } |
| 7623 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7624 | IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra); |
| 7625 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7626 | wrqu->data.length = strlen(extra) + 1; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7627 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7628 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7629 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7630 | } |
| 7631 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7632 | static int ipw_wx_set_preamble(struct net_device *dev, |
| 7633 | struct iw_request_info *info, |
| 7634 | union iwreq_data *wrqu, char *extra) |
| 7635 | { |
| 7636 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7637 | int mode = *(int *)extra; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7638 | down(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7639 | /* Switching from SHORT -> LONG requires a disassociation */ |
| 7640 | if (mode == 1) { |
| 7641 | if (!(priv->config & CFG_PREAMBLE_LONG)) { |
| 7642 | priv->config |= CFG_PREAMBLE_LONG; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7643 | |
| 7644 | /* Network configuration changed -- force [re]association */ |
| 7645 | IPW_DEBUG_ASSOC |
| 7646 | ("[re]association triggered due to preamble change.\n"); |
| 7647 | if (!ipw_disassociate(priv)) |
| 7648 | ipw_associate(priv); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7649 | } |
| 7650 | goto done; |
| 7651 | } |
| 7652 | |
| 7653 | if (mode == 0) { |
| 7654 | priv->config &= ~CFG_PREAMBLE_LONG; |
| 7655 | goto done; |
| 7656 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7657 | up(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7658 | return -EINVAL; |
| 7659 | |
| 7660 | done: |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7661 | up(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7662 | return 0; |
| 7663 | } |
| 7664 | |
| 7665 | static int ipw_wx_get_preamble(struct net_device *dev, |
| 7666 | struct iw_request_info *info, |
| 7667 | union iwreq_data *wrqu, char *extra) |
| 7668 | { |
| 7669 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7670 | down(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7671 | if (priv->config & CFG_PREAMBLE_LONG) |
| 7672 | snprintf(wrqu->name, IFNAMSIZ, "long (1)"); |
| 7673 | else |
| 7674 | snprintf(wrqu->name, IFNAMSIZ, "auto (0)"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7675 | up(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7676 | return 0; |
| 7677 | } |
| 7678 | |
| 7679 | #ifdef CONFIG_IPW_MONITOR |
| 7680 | static int ipw_wx_set_monitor(struct net_device *dev, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7681 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7682 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7683 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7684 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7685 | int *parms = (int *)extra; |
| 7686 | int enable = (parms[0] > 0); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7687 | down(&priv->sem); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7688 | IPW_DEBUG_WX("SET MONITOR: %d %d\n", enable, parms[1]); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7689 | if (enable) { |
| 7690 | if (priv->ieee->iw_mode != IW_MODE_MONITOR) { |
| 7691 | priv->net_dev->type = ARPHRD_IEEE80211; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7692 | queue_work(priv->workqueue, &priv->adapter_restart); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7693 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7694 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7695 | ipw_set_channel(priv, parms[1]); |
| 7696 | } else { |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7697 | if (priv->ieee->iw_mode != IW_MODE_MONITOR) { |
| 7698 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7699 | return 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7700 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7701 | priv->net_dev->type = ARPHRD_ETHER; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7702 | queue_work(priv->workqueue, &priv->adapter_restart); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7703 | } |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7704 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7705 | return 0; |
| 7706 | } |
| 7707 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7708 | static int ipw_wx_reset(struct net_device *dev, |
| 7709 | struct iw_request_info *info, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7710 | union iwreq_data *wrqu, char *extra) |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7711 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7712 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7713 | IPW_DEBUG_WX("RESET\n"); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7714 | queue_work(priv->workqueue, &priv->adapter_restart); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7715 | return 0; |
| 7716 | } |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7717 | #endif // CONFIG_IPW_MONITOR |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7718 | |
| 7719 | /* Rebase the WE IOCTLs to zero for the handler array */ |
| 7720 | #define IW_IOCTL(x) [(x)-SIOCSIWCOMMIT] |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7721 | static iw_handler ipw_wx_handlers[] = { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7722 | IW_IOCTL(SIOCGIWNAME) = ipw_wx_get_name, |
| 7723 | IW_IOCTL(SIOCSIWFREQ) = ipw_wx_set_freq, |
| 7724 | IW_IOCTL(SIOCGIWFREQ) = ipw_wx_get_freq, |
| 7725 | IW_IOCTL(SIOCSIWMODE) = ipw_wx_set_mode, |
| 7726 | IW_IOCTL(SIOCGIWMODE) = ipw_wx_get_mode, |
| 7727 | IW_IOCTL(SIOCGIWRANGE) = ipw_wx_get_range, |
| 7728 | IW_IOCTL(SIOCSIWAP) = ipw_wx_set_wap, |
| 7729 | IW_IOCTL(SIOCGIWAP) = ipw_wx_get_wap, |
| 7730 | IW_IOCTL(SIOCSIWSCAN) = ipw_wx_set_scan, |
| 7731 | IW_IOCTL(SIOCGIWSCAN) = ipw_wx_get_scan, |
| 7732 | IW_IOCTL(SIOCSIWESSID) = ipw_wx_set_essid, |
| 7733 | IW_IOCTL(SIOCGIWESSID) = ipw_wx_get_essid, |
| 7734 | IW_IOCTL(SIOCSIWNICKN) = ipw_wx_set_nick, |
| 7735 | IW_IOCTL(SIOCGIWNICKN) = ipw_wx_get_nick, |
| 7736 | IW_IOCTL(SIOCSIWRATE) = ipw_wx_set_rate, |
| 7737 | IW_IOCTL(SIOCGIWRATE) = ipw_wx_get_rate, |
| 7738 | IW_IOCTL(SIOCSIWRTS) = ipw_wx_set_rts, |
| 7739 | IW_IOCTL(SIOCGIWRTS) = ipw_wx_get_rts, |
| 7740 | IW_IOCTL(SIOCSIWFRAG) = ipw_wx_set_frag, |
| 7741 | IW_IOCTL(SIOCGIWFRAG) = ipw_wx_get_frag, |
| 7742 | IW_IOCTL(SIOCSIWTXPOW) = ipw_wx_set_txpow, |
| 7743 | IW_IOCTL(SIOCGIWTXPOW) = ipw_wx_get_txpow, |
| 7744 | IW_IOCTL(SIOCSIWRETRY) = ipw_wx_set_retry, |
| 7745 | IW_IOCTL(SIOCGIWRETRY) = ipw_wx_get_retry, |
| 7746 | IW_IOCTL(SIOCSIWENCODE) = ipw_wx_set_encode, |
| 7747 | IW_IOCTL(SIOCGIWENCODE) = ipw_wx_get_encode, |
| 7748 | IW_IOCTL(SIOCSIWPOWER) = ipw_wx_set_power, |
| 7749 | IW_IOCTL(SIOCGIWPOWER) = ipw_wx_get_power, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7750 | IW_IOCTL(SIOCSIWSPY) = iw_handler_set_spy, |
| 7751 | IW_IOCTL(SIOCGIWSPY) = iw_handler_get_spy, |
| 7752 | IW_IOCTL(SIOCSIWTHRSPY) = iw_handler_set_thrspy, |
| 7753 | IW_IOCTL(SIOCGIWTHRSPY) = iw_handler_get_thrspy, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7754 | }; |
| 7755 | |
| 7756 | #define IPW_PRIV_SET_POWER SIOCIWFIRSTPRIV |
| 7757 | #define IPW_PRIV_GET_POWER SIOCIWFIRSTPRIV+1 |
| 7758 | #define IPW_PRIV_SET_MODE SIOCIWFIRSTPRIV+2 |
| 7759 | #define IPW_PRIV_GET_MODE SIOCIWFIRSTPRIV+3 |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7760 | #define IPW_PRIV_SET_PREAMBLE SIOCIWFIRSTPRIV+4 |
| 7761 | #define IPW_PRIV_GET_PREAMBLE SIOCIWFIRSTPRIV+5 |
| 7762 | #define IPW_PRIV_SET_MONITOR SIOCIWFIRSTPRIV+6 |
| 7763 | #define IPW_PRIV_RESET SIOCIWFIRSTPRIV+7 |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7764 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7765 | static struct iw_priv_args ipw_priv_args[] = { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7766 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7767 | .cmd = IPW_PRIV_SET_POWER, |
| 7768 | .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 7769 | .name = "set_power"}, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7770 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7771 | .cmd = IPW_PRIV_GET_POWER, |
| 7772 | .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, |
| 7773 | .name = "get_power"}, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7774 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7775 | .cmd = IPW_PRIV_SET_MODE, |
| 7776 | .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 7777 | .name = "set_mode"}, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7778 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7779 | .cmd = IPW_PRIV_GET_MODE, |
| 7780 | .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, |
| 7781 | .name = "get_mode"}, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7782 | { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7783 | .cmd = IPW_PRIV_SET_PREAMBLE, |
| 7784 | .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, |
| 7785 | .name = "set_preamble"}, |
| 7786 | { |
| 7787 | .cmd = IPW_PRIV_GET_PREAMBLE, |
| 7788 | .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | IFNAMSIZ, |
| 7789 | .name = "get_preamble"}, |
| 7790 | #ifdef CONFIG_IPW_MONITOR |
| 7791 | { |
| 7792 | IPW_PRIV_SET_MONITOR, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7793 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "monitor"}, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7794 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7795 | IPW_PRIV_RESET, |
| 7796 | IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 0, 0, "reset"}, |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7797 | #endif /* CONFIG_IPW_MONITOR */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7798 | }; |
| 7799 | |
| 7800 | static iw_handler ipw_priv_handler[] = { |
| 7801 | ipw_wx_set_powermode, |
| 7802 | ipw_wx_get_powermode, |
| 7803 | ipw_wx_set_wireless_mode, |
| 7804 | ipw_wx_get_wireless_mode, |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7805 | ipw_wx_set_preamble, |
| 7806 | ipw_wx_get_preamble, |
| 7807 | #ifdef CONFIG_IPW_MONITOR |
| 7808 | ipw_wx_set_monitor, |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7809 | ipw_wx_reset, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7810 | #endif |
| 7811 | }; |
| 7812 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7813 | static struct iw_handler_def ipw_wx_handler_def = { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7814 | .standard = ipw_wx_handlers, |
| 7815 | .num_standard = ARRAY_SIZE(ipw_wx_handlers), |
| 7816 | .num_private = ARRAY_SIZE(ipw_priv_handler), |
| 7817 | .num_private_args = ARRAY_SIZE(ipw_priv_args), |
| 7818 | .private = ipw_priv_handler, |
| 7819 | .private_args = ipw_priv_args, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7820 | }; |
| 7821 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7822 | static struct iw_public_data ipw_wx_data; |
| 7823 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7824 | /* |
| 7825 | * Get wireless statistics. |
| 7826 | * Called by /proc/net/wireless |
| 7827 | * Also called by SIOCGIWSTATS |
| 7828 | */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7829 | static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7830 | { |
| 7831 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7832 | struct iw_statistics *wstats; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7833 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7834 | wstats = &priv->wstats; |
| 7835 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7836 | /* if hw is disabled, then ipw_get_ordinal() can't be called. |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7837 | * ipw2100_wx_wireless_stats seems to be called before fw is |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7838 | * initialized. STATUS_ASSOCIATED will only be set if the hw is up |
| 7839 | * and associated; if not associcated, the values are all meaningless |
| 7840 | * anyway, so set them all to NULL and INVALID */ |
| 7841 | if (!(priv->status & STATUS_ASSOCIATED)) { |
| 7842 | wstats->miss.beacon = 0; |
| 7843 | wstats->discard.retries = 0; |
| 7844 | wstats->qual.qual = 0; |
| 7845 | wstats->qual.level = 0; |
| 7846 | wstats->qual.noise = 0; |
| 7847 | wstats->qual.updated = 7; |
| 7848 | wstats->qual.updated |= IW_QUAL_NOISE_INVALID | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7849 | IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7850 | return wstats; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7851 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7852 | |
| 7853 | wstats->qual.qual = priv->quality; |
| 7854 | wstats->qual.level = average_value(&priv->average_rssi); |
| 7855 | wstats->qual.noise = average_value(&priv->average_noise); |
| 7856 | wstats->qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7857 | IW_QUAL_NOISE_UPDATED; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7858 | |
| 7859 | wstats->miss.beacon = average_value(&priv->average_missed_beacons); |
| 7860 | wstats->discard.retries = priv->last_tx_failures; |
| 7861 | wstats->discard.code = priv->ieee->ieee_stats.rx_discards_undecryptable; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7862 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7863 | /* if (ipw_get_ordinal(priv, IPW_ORD_STAT_TX_RETRY, &tx_retry, &len)) |
| 7864 | goto fail_get_ordinal; |
| 7865 | wstats->discard.retries += tx_retry; */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7866 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7867 | return wstats; |
| 7868 | } |
| 7869 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7870 | /* net device stuff */ |
| 7871 | |
| 7872 | static inline void init_sys_config(struct ipw_sys_config *sys_config) |
| 7873 | { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7874 | memset(sys_config, 0, sizeof(struct ipw_sys_config)); |
| 7875 | sys_config->bt_coexistence = 1; /* We may need to look into prvStaBtConfig */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7876 | sys_config->answer_broadcast_ssid_probe = 0; |
| 7877 | sys_config->accept_all_data_frames = 0; |
| 7878 | sys_config->accept_non_directed_frames = 1; |
| 7879 | sys_config->exclude_unicast_unencrypted = 0; |
| 7880 | sys_config->disable_unicast_decryption = 1; |
| 7881 | sys_config->exclude_multicast_unencrypted = 0; |
| 7882 | sys_config->disable_multicast_decryption = 1; |
| 7883 | sys_config->antenna_diversity = CFG_SYS_ANTENNA_BOTH; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7884 | sys_config->pass_crc_to_host = 0; /* TODO: See if 1 gives us FCS */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7885 | sys_config->dot11g_auto_detection = 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7886 | sys_config->enable_cts_to_self = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7887 | sys_config->bt_coexist_collision_thr = 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7888 | sys_config->pass_noise_stats_to_host = 1; //1 -- fix for 256 |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7889 | } |
| 7890 | |
| 7891 | static int ipw_net_open(struct net_device *dev) |
| 7892 | { |
| 7893 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 7894 | IPW_DEBUG_INFO("dev->open\n"); |
| 7895 | /* we should be verifying the device is ready to be opened */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7896 | down(&priv->sem); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7897 | if (!(priv->status & STATUS_RF_KILL_MASK) && |
| 7898 | (priv->status & STATUS_ASSOCIATED)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7899 | netif_start_queue(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7900 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7901 | return 0; |
| 7902 | } |
| 7903 | |
| 7904 | static int ipw_net_stop(struct net_device *dev) |
| 7905 | { |
| 7906 | IPW_DEBUG_INFO("dev->close\n"); |
| 7907 | netif_stop_queue(dev); |
| 7908 | return 0; |
| 7909 | } |
| 7910 | |
| 7911 | /* |
| 7912 | todo: |
| 7913 | |
| 7914 | modify to send one tfd per fragment instead of using chunking. otherwise |
| 7915 | we need to heavily modify the ieee80211_skb_to_txb. |
| 7916 | */ |
| 7917 | |
| 7918 | static inline void ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb) |
| 7919 | { |
James Ketrenos | 0dacca1 | 2005-09-21 12:23:41 -0500 | [diff] [blame] | 7920 | struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *) |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7921 | txb->fragments[0]->data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7922 | int i = 0; |
| 7923 | struct tfd_frame *tfd; |
| 7924 | struct clx2_tx_queue *txq = &priv->txq[0]; |
| 7925 | struct clx2_queue *q = &txq->q; |
| 7926 | u8 id, hdr_len, unicast; |
| 7927 | u16 remaining_bytes; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7928 | int fc; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7929 | |
| 7930 | switch (priv->ieee->iw_mode) { |
| 7931 | case IW_MODE_ADHOC: |
| 7932 | hdr_len = IEEE80211_3ADDR_LEN; |
| 7933 | unicast = !is_broadcast_ether_addr(hdr->addr1) && |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7934 | !is_multicast_ether_addr(hdr->addr1); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7935 | id = ipw_find_station(priv, hdr->addr1); |
| 7936 | if (id == IPW_INVALID_STATION) { |
| 7937 | id = ipw_add_station(priv, hdr->addr1); |
| 7938 | if (id == IPW_INVALID_STATION) { |
| 7939 | IPW_WARNING("Attempt to send data to " |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7940 | "invalid cell: " MAC_FMT "\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7941 | MAC_ARG(hdr->addr1)); |
| 7942 | goto drop; |
| 7943 | } |
| 7944 | } |
| 7945 | break; |
| 7946 | |
| 7947 | case IW_MODE_INFRA: |
| 7948 | default: |
| 7949 | unicast = !is_broadcast_ether_addr(hdr->addr3) && |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 7950 | !is_multicast_ether_addr(hdr->addr3); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7951 | hdr_len = IEEE80211_3ADDR_LEN; |
| 7952 | id = 0; |
| 7953 | break; |
| 7954 | } |
| 7955 | |
| 7956 | tfd = &txq->bd[q->first_empty]; |
| 7957 | txq->txb[q->first_empty] = txb; |
| 7958 | memset(tfd, 0, sizeof(*tfd)); |
| 7959 | tfd->u.data.station_number = id; |
| 7960 | |
| 7961 | tfd->control_flags.message_type = TX_FRAME_TYPE; |
| 7962 | tfd->control_flags.control_bits = TFD_NEED_IRQ_MASK; |
| 7963 | |
| 7964 | tfd->u.data.cmd_id = DINO_CMD_TX; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7965 | tfd->u.data.len = cpu_to_le16(txb->payload_size); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7966 | remaining_bytes = txb->payload_size; |
| 7967 | if (unlikely(!unicast)) |
| 7968 | tfd->u.data.tx_flags = DCT_FLAG_NO_WEP; |
| 7969 | else |
| 7970 | tfd->u.data.tx_flags = DCT_FLAG_NO_WEP | DCT_FLAG_ACK_REQD; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7971 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7972 | if (priv->assoc_request.ieee_mode == IPW_B_MODE) |
| 7973 | tfd->u.data.tx_flags_ext = DCT_FLAG_EXT_MODE_CCK; |
| 7974 | else |
| 7975 | tfd->u.data.tx_flags_ext = DCT_FLAG_EXT_MODE_OFDM; |
| 7976 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 7977 | if (priv->assoc_request.preamble_length == DCT_FLAG_SHORT_PREAMBLE) |
| 7978 | tfd->u.data.tx_flags |= DCT_FLAG_SHORT_PREAMBLE; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7979 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 7980 | fc = le16_to_cpu(hdr->frame_ctl); |
| 7981 | hdr->frame_ctl = cpu_to_le16(fc & ~IEEE80211_FCTL_MOREFRAGS); |
| 7982 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7983 | memcpy(&tfd->u.data.tfd.tfd_24.mchdr, hdr, hdr_len); |
| 7984 | |
| 7985 | /* payload */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 7986 | tfd->u.data.num_chunks = cpu_to_le32(min((u8) (NUM_TFD_CHUNKS - 2), |
| 7987 | txb->nr_frags)); |
| 7988 | IPW_DEBUG_FRAG("%i fragments being sent as %i chunks.\n", |
| 7989 | txb->nr_frags, le32_to_cpu(tfd->u.data.num_chunks)); |
| 7990 | for (i = 0; i < le32_to_cpu(tfd->u.data.num_chunks); i++) { |
| 7991 | IPW_DEBUG_FRAG("Adding fragment %i of %i (%d bytes).\n", |
| 7992 | i, le32_to_cpu(tfd->u.data.num_chunks), |
| 7993 | txb->fragments[i]->len - hdr_len); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7994 | IPW_DEBUG_TX("Dumping TX packet frag %i of %i (%d bytes):\n", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7995 | i, tfd->u.data.num_chunks, |
| 7996 | txb->fragments[i]->len - hdr_len); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 7997 | printk_buf(IPW_DL_TX, txb->fragments[i]->data + hdr_len, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 7998 | txb->fragments[i]->len - hdr_len); |
| 7999 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8000 | tfd->u.data.chunk_ptr[i] = |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8001 | cpu_to_le32(pci_map_single |
| 8002 | (priv->pci_dev, |
| 8003 | txb->fragments[i]->data + hdr_len, |
| 8004 | txb->fragments[i]->len - hdr_len, |
| 8005 | PCI_DMA_TODEVICE)); |
| 8006 | tfd->u.data.chunk_len[i] = |
| 8007 | cpu_to_le16(txb->fragments[i]->len - hdr_len); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8008 | } |
| 8009 | |
| 8010 | if (i != txb->nr_frags) { |
| 8011 | struct sk_buff *skb; |
| 8012 | u16 remaining_bytes = 0; |
| 8013 | int j; |
| 8014 | |
| 8015 | for (j = i; j < txb->nr_frags; j++) |
| 8016 | remaining_bytes += txb->fragments[j]->len - hdr_len; |
| 8017 | |
| 8018 | printk(KERN_INFO "Trying to reallocate for %d bytes\n", |
| 8019 | remaining_bytes); |
| 8020 | skb = alloc_skb(remaining_bytes, GFP_ATOMIC); |
| 8021 | if (skb != NULL) { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8022 | tfd->u.data.chunk_len[i] = cpu_to_le16(remaining_bytes); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8023 | for (j = i; j < txb->nr_frags; j++) { |
| 8024 | int size = txb->fragments[j]->len - hdr_len; |
| 8025 | printk(KERN_INFO "Adding frag %d %d...\n", |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8026 | j, size); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8027 | memcpy(skb_put(skb, size), |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8028 | txb->fragments[j]->data + hdr_len, size); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8029 | } |
| 8030 | dev_kfree_skb_any(txb->fragments[i]); |
| 8031 | txb->fragments[i] = skb; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8032 | tfd->u.data.chunk_ptr[i] = |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8033 | cpu_to_le32(pci_map_single |
| 8034 | (priv->pci_dev, skb->data, |
| 8035 | tfd->u.data.chunk_len[i], |
| 8036 | PCI_DMA_TODEVICE)); |
| 8037 | |
| 8038 | tfd->u.data.num_chunks = |
| 8039 | cpu_to_le32(le32_to_cpu(tfd->u.data.num_chunks) + |
| 8040 | 1); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8041 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8042 | } |
| 8043 | |
| 8044 | /* kick DMA */ |
| 8045 | q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd); |
| 8046 | ipw_write32(priv, q->reg_w, q->first_empty); |
| 8047 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8048 | if (ipw_queue_space(q) < q->high_mark) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8049 | netif_stop_queue(priv->net_dev); |
| 8050 | |
| 8051 | return; |
| 8052 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8053 | drop: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8054 | IPW_DEBUG_DROP("Silently dropping Tx packet.\n"); |
| 8055 | ieee80211_txb_free(txb); |
| 8056 | } |
| 8057 | |
| 8058 | static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb, |
James Ketrenos | c8d42d1 | 2005-09-21 12:23:43 -0500 | [diff] [blame] | 8059 | struct net_device *dev, int pri) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8060 | { |
| 8061 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 8062 | unsigned long flags; |
| 8063 | |
| 8064 | IPW_DEBUG_TX("dev->xmit(%d bytes)\n", txb->payload_size); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8065 | spin_lock_irqsave(&priv->lock, flags); |
| 8066 | |
| 8067 | if (!(priv->status & STATUS_ASSOCIATED)) { |
| 8068 | IPW_DEBUG_INFO("Tx attempt while not associated.\n"); |
| 8069 | priv->ieee->stats.tx_carrier_errors++; |
| 8070 | netif_stop_queue(dev); |
| 8071 | goto fail_unlock; |
| 8072 | } |
| 8073 | |
| 8074 | ipw_tx_skb(priv, txb); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8075 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8076 | ipw_led_activity_on(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8077 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8078 | // up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8079 | return 0; |
| 8080 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8081 | fail_unlock: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8082 | spin_unlock_irqrestore(&priv->lock, flags); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8083 | // up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8084 | return 1; |
| 8085 | } |
| 8086 | |
| 8087 | static struct net_device_stats *ipw_net_get_stats(struct net_device *dev) |
| 8088 | { |
| 8089 | struct ipw_priv *priv = ieee80211_priv(dev); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8090 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8091 | priv->ieee->stats.tx_packets = priv->tx_packets; |
| 8092 | priv->ieee->stats.rx_packets = priv->rx_packets; |
| 8093 | return &priv->ieee->stats; |
| 8094 | } |
| 8095 | |
| 8096 | static void ipw_net_set_multicast_list(struct net_device *dev) |
| 8097 | { |
| 8098 | |
| 8099 | } |
| 8100 | |
| 8101 | static int ipw_net_set_mac_address(struct net_device *dev, void *p) |
| 8102 | { |
| 8103 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 8104 | struct sockaddr *addr = p; |
| 8105 | if (!is_valid_ether_addr(addr->sa_data)) |
| 8106 | return -EADDRNOTAVAIL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8107 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8108 | priv->config |= CFG_CUSTOM_MAC; |
| 8109 | memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN); |
| 8110 | printk(KERN_INFO "%s: Setting MAC to " MAC_FMT "\n", |
| 8111 | priv->net_dev->name, MAC_ARG(priv->mac_addr)); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8112 | queue_work(priv->workqueue, &priv->adapter_restart); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8113 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8114 | return 0; |
| 8115 | } |
| 8116 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8117 | static void ipw_ethtool_get_drvinfo(struct net_device *dev, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8118 | struct ethtool_drvinfo *info) |
| 8119 | { |
| 8120 | struct ipw_priv *p = ieee80211_priv(dev); |
| 8121 | char vers[64]; |
| 8122 | char date[32]; |
| 8123 | u32 len; |
| 8124 | |
| 8125 | strcpy(info->driver, DRV_NAME); |
| 8126 | strcpy(info->version, DRV_VERSION); |
| 8127 | |
| 8128 | len = sizeof(vers); |
| 8129 | ipw_get_ordinal(p, IPW_ORD_STAT_FW_VERSION, vers, &len); |
| 8130 | len = sizeof(date); |
| 8131 | ipw_get_ordinal(p, IPW_ORD_STAT_FW_DATE, date, &len); |
| 8132 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8133 | snprintf(info->fw_version, sizeof(info->fw_version), "%s (%s)", |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8134 | vers, date); |
| 8135 | strcpy(info->bus_info, pci_name(p->pci_dev)); |
| 8136 | info->eedump_len = CX2_EEPROM_IMAGE_SIZE; |
| 8137 | } |
| 8138 | |
| 8139 | static u32 ipw_ethtool_get_link(struct net_device *dev) |
| 8140 | { |
| 8141 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 8142 | return (priv->status & STATUS_ASSOCIATED) != 0; |
| 8143 | } |
| 8144 | |
| 8145 | static int ipw_ethtool_get_eeprom_len(struct net_device *dev) |
| 8146 | { |
| 8147 | return CX2_EEPROM_IMAGE_SIZE; |
| 8148 | } |
| 8149 | |
| 8150 | static int ipw_ethtool_get_eeprom(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8151 | struct ethtool_eeprom *eeprom, u8 * bytes) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8152 | { |
| 8153 | struct ipw_priv *p = ieee80211_priv(dev); |
| 8154 | |
| 8155 | if (eeprom->offset + eeprom->len > CX2_EEPROM_IMAGE_SIZE) |
| 8156 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8157 | down(&p->sem); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8158 | memcpy(bytes, &((u8 *) p->eeprom)[eeprom->offset], eeprom->len); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8159 | up(&p->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8160 | return 0; |
| 8161 | } |
| 8162 | |
| 8163 | static int ipw_ethtool_set_eeprom(struct net_device *dev, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8164 | struct ethtool_eeprom *eeprom, u8 * bytes) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8165 | { |
| 8166 | struct ipw_priv *p = ieee80211_priv(dev); |
| 8167 | int i; |
| 8168 | |
| 8169 | if (eeprom->offset + eeprom->len > CX2_EEPROM_IMAGE_SIZE) |
| 8170 | return -EINVAL; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8171 | down(&p->sem); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8172 | memcpy(&((u8 *) p->eeprom)[eeprom->offset], bytes, eeprom->len); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8173 | for (i = IPW_EEPROM_DATA; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8174 | i < IPW_EEPROM_DATA + CX2_EEPROM_IMAGE_SIZE; i++) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8175 | ipw_write8(p, i, p->eeprom[i]); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8176 | up(&p->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8177 | return 0; |
| 8178 | } |
| 8179 | |
| 8180 | static struct ethtool_ops ipw_ethtool_ops = { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8181 | .get_link = ipw_ethtool_get_link, |
| 8182 | .get_drvinfo = ipw_ethtool_get_drvinfo, |
| 8183 | .get_eeprom_len = ipw_ethtool_get_eeprom_len, |
| 8184 | .get_eeprom = ipw_ethtool_get_eeprom, |
| 8185 | .set_eeprom = ipw_ethtool_set_eeprom, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8186 | }; |
| 8187 | |
| 8188 | static irqreturn_t ipw_isr(int irq, void *data, struct pt_regs *regs) |
| 8189 | { |
| 8190 | struct ipw_priv *priv = data; |
| 8191 | u32 inta, inta_mask; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8192 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8193 | if (!priv) |
| 8194 | return IRQ_NONE; |
| 8195 | |
| 8196 | spin_lock(&priv->lock); |
| 8197 | |
| 8198 | if (!(priv->status & STATUS_INT_ENABLED)) { |
| 8199 | /* Shared IRQ */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8200 | // ipw_write32(priv, CX2_INTA_RW, CX2_INTA_MASK_ALL); |
| 8201 | // return IRQ_HANDLED; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8202 | goto none; |
| 8203 | } |
| 8204 | |
| 8205 | inta = ipw_read32(priv, CX2_INTA_RW); |
| 8206 | inta_mask = ipw_read32(priv, CX2_INTA_MASK_R); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8207 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8208 | if (inta == 0xFFFFFFFF) { |
| 8209 | /* Hardware disappeared */ |
| 8210 | IPW_WARNING("IRQ INTA == 0xFFFFFFFF\n"); |
| 8211 | goto none; |
| 8212 | } |
| 8213 | |
| 8214 | if (!(inta & (CX2_INTA_MASK_ALL & inta_mask))) { |
| 8215 | /* Shared interrupt */ |
| 8216 | goto none; |
| 8217 | } |
| 8218 | |
| 8219 | /* tell the device to stop sending interrupts */ |
| 8220 | ipw_disable_interrupts(priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8221 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8222 | /* ack current interrupts */ |
| 8223 | inta &= (CX2_INTA_MASK_ALL & inta_mask); |
| 8224 | ipw_write32(priv, CX2_INTA_RW, inta); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8225 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8226 | /* Cache INTA value for our tasklet */ |
| 8227 | priv->isr_inta = inta; |
| 8228 | |
| 8229 | tasklet_schedule(&priv->irq_tasklet); |
| 8230 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8231 | spin_unlock(&priv->lock); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8232 | |
| 8233 | return IRQ_HANDLED; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8234 | none: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8235 | spin_unlock(&priv->lock); |
| 8236 | return IRQ_NONE; |
| 8237 | } |
| 8238 | |
| 8239 | static void ipw_rf_kill(void *adapter) |
| 8240 | { |
| 8241 | struct ipw_priv *priv = adapter; |
| 8242 | unsigned long flags; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8243 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8244 | spin_lock_irqsave(&priv->lock, flags); |
| 8245 | |
| 8246 | if (rf_kill_active(priv)) { |
| 8247 | IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n"); |
| 8248 | if (priv->workqueue) |
| 8249 | queue_delayed_work(priv->workqueue, |
| 8250 | &priv->rf_kill, 2 * HZ); |
| 8251 | goto exit_unlock; |
| 8252 | } |
| 8253 | |
| 8254 | /* RF Kill is now disabled, so bring the device back up */ |
| 8255 | |
| 8256 | if (!(priv->status & STATUS_RF_KILL_MASK)) { |
| 8257 | IPW_DEBUG_RF_KILL("HW RF Kill no longer active, restarting " |
| 8258 | "device\n"); |
| 8259 | |
| 8260 | /* we can not do an adapter restart while inside an irq lock */ |
| 8261 | queue_work(priv->workqueue, &priv->adapter_restart); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8262 | } else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8263 | IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still " |
| 8264 | "enabled\n"); |
| 8265 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8266 | exit_unlock: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8267 | spin_unlock_irqrestore(&priv->lock, flags); |
| 8268 | } |
| 8269 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8270 | static void ipw_bg_rf_kill(void *data) |
| 8271 | { |
| 8272 | struct ipw_priv *priv = data; |
| 8273 | down(&priv->sem); |
| 8274 | ipw_rf_kill(data); |
| 8275 | up(&priv->sem); |
| 8276 | } |
| 8277 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8278 | void ipw_link_up(struct ipw_priv *priv) |
| 8279 | { |
| 8280 | netif_carrier_on(priv->net_dev); |
| 8281 | if (netif_queue_stopped(priv->net_dev)) { |
| 8282 | IPW_DEBUG_NOTIF("waking queue\n"); |
| 8283 | netif_wake_queue(priv->net_dev); |
| 8284 | } else { |
| 8285 | IPW_DEBUG_NOTIF("starting queue\n"); |
| 8286 | netif_start_queue(priv->net_dev); |
| 8287 | } |
| 8288 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8289 | cancel_delayed_work(&priv->request_scan); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8290 | ipw_reset_stats(priv); |
| 8291 | /* Ensure the rate is updated immediately */ |
| 8292 | priv->last_rate = ipw_get_current_rate(priv); |
| 8293 | ipw_gather_stats(priv); |
| 8294 | ipw_led_link_up(priv); |
| 8295 | notify_wx_assoc_event(priv); |
| 8296 | |
| 8297 | if (priv->config & CFG_BACKGROUND_SCAN) |
| 8298 | queue_delayed_work(priv->workqueue, &priv->request_scan, HZ); |
| 8299 | } |
| 8300 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8301 | static void ipw_bg_link_up(void *data) |
| 8302 | { |
| 8303 | struct ipw_priv *priv = data; |
| 8304 | down(&priv->sem); |
| 8305 | ipw_link_up(data); |
| 8306 | up(&priv->sem); |
| 8307 | } |
| 8308 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8309 | void ipw_link_down(struct ipw_priv *priv) |
| 8310 | { |
| 8311 | ipw_led_link_down(priv); |
| 8312 | netif_carrier_off(priv->net_dev); |
| 8313 | netif_stop_queue(priv->net_dev); |
| 8314 | notify_wx_assoc_event(priv); |
| 8315 | |
| 8316 | /* Cancel any queued work ... */ |
| 8317 | cancel_delayed_work(&priv->request_scan); |
| 8318 | cancel_delayed_work(&priv->adhoc_check); |
| 8319 | cancel_delayed_work(&priv->gather_stats); |
| 8320 | |
| 8321 | ipw_reset_stats(priv); |
| 8322 | |
| 8323 | /* Queue up another scan... */ |
| 8324 | queue_work(priv->workqueue, &priv->request_scan); |
| 8325 | } |
| 8326 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8327 | static void ipw_bg_link_down(void *data) |
| 8328 | { |
| 8329 | struct ipw_priv *priv = data; |
| 8330 | down(&priv->sem); |
| 8331 | ipw_link_down(data); |
| 8332 | up(&priv->sem); |
| 8333 | } |
| 8334 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8335 | static int ipw_setup_deferred_work(struct ipw_priv *priv) |
| 8336 | { |
| 8337 | int ret = 0; |
| 8338 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8339 | priv->workqueue = create_workqueue(DRV_NAME); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8340 | init_waitqueue_head(&priv->wait_command_queue); |
| 8341 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8342 | INIT_WORK(&priv->adhoc_check, ipw_bg_adhoc_check, priv); |
| 8343 | INIT_WORK(&priv->associate, ipw_bg_associate, priv); |
| 8344 | INIT_WORK(&priv->disassociate, ipw_bg_disassociate, priv); |
| 8345 | INIT_WORK(&priv->rx_replenish, ipw_bg_rx_queue_replenish, priv); |
| 8346 | INIT_WORK(&priv->adapter_restart, ipw_bg_adapter_restart, priv); |
| 8347 | INIT_WORK(&priv->rf_kill, ipw_bg_rf_kill, priv); |
| 8348 | INIT_WORK(&priv->up, (void (*)(void *))ipw_bg_up, priv); |
| 8349 | INIT_WORK(&priv->down, (void (*)(void *))ipw_bg_down, priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8350 | INIT_WORK(&priv->request_scan, |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8351 | (void (*)(void *))ipw_bg_request_scan, priv); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8352 | INIT_WORK(&priv->gather_stats, |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8353 | (void (*)(void *))ipw_bg_gather_stats, priv); |
| 8354 | INIT_WORK(&priv->abort_scan, (void (*)(void *))ipw_bg_abort_scan, priv); |
| 8355 | INIT_WORK(&priv->roam, ipw_bg_roam, priv); |
| 8356 | INIT_WORK(&priv->scan_check, ipw_bg_scan_check, priv); |
| 8357 | INIT_WORK(&priv->link_up, (void (*)(void *))ipw_bg_link_up, priv); |
| 8358 | INIT_WORK(&priv->link_down, (void (*)(void *))ipw_bg_link_down, priv); |
| 8359 | INIT_WORK(&priv->led_link_on, (void (*)(void *))ipw_bg_led_link_on, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8360 | priv); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8361 | INIT_WORK(&priv->led_link_off, (void (*)(void *))ipw_bg_led_link_off, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8362 | priv); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8363 | INIT_WORK(&priv->led_act_off, (void (*)(void *))ipw_bg_led_activity_off, |
| 8364 | priv); |
| 8365 | INIT_WORK(&priv->merge_networks, |
| 8366 | (void (*)(void *))ipw_merge_adhoc_network, priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8367 | |
| 8368 | tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) |
| 8369 | ipw_irq_tasklet, (unsigned long)priv); |
| 8370 | |
| 8371 | return ret; |
| 8372 | } |
| 8373 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8374 | static void shim__set_security(struct net_device *dev, |
| 8375 | struct ieee80211_security *sec) |
| 8376 | { |
| 8377 | struct ipw_priv *priv = ieee80211_priv(dev); |
| 8378 | int i; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8379 | down(&priv->sem); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8380 | for (i = 0; i < 4; i++) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8381 | if (sec->flags & (1 << i)) { |
| 8382 | priv->sec.key_sizes[i] = sec->key_sizes[i]; |
| 8383 | if (sec->key_sizes[i] == 0) |
| 8384 | priv->sec.flags &= ~(1 << i); |
| 8385 | else |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8386 | memcpy(priv->sec.keys[i], sec->keys[i], |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8387 | sec->key_sizes[i]); |
| 8388 | priv->sec.flags |= (1 << i); |
| 8389 | priv->status |= STATUS_SECURITY_UPDATED; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8390 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8391 | } |
| 8392 | |
| 8393 | if ((sec->flags & SEC_ACTIVE_KEY) && |
| 8394 | priv->sec.active_key != sec->active_key) { |
| 8395 | if (sec->active_key <= 3) { |
| 8396 | priv->sec.active_key = sec->active_key; |
| 8397 | priv->sec.flags |= SEC_ACTIVE_KEY; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8398 | } else |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8399 | priv->sec.flags &= ~SEC_ACTIVE_KEY; |
| 8400 | priv->status |= STATUS_SECURITY_UPDATED; |
| 8401 | } |
| 8402 | |
| 8403 | if ((sec->flags & SEC_AUTH_MODE) && |
| 8404 | (priv->sec.auth_mode != sec->auth_mode)) { |
| 8405 | priv->sec.auth_mode = sec->auth_mode; |
| 8406 | priv->sec.flags |= SEC_AUTH_MODE; |
| 8407 | if (sec->auth_mode == WLAN_AUTH_SHARED_KEY) |
| 8408 | priv->capability |= CAP_SHARED_KEY; |
| 8409 | else |
| 8410 | priv->capability &= ~CAP_SHARED_KEY; |
| 8411 | priv->status |= STATUS_SECURITY_UPDATED; |
| 8412 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8413 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8414 | if (sec->flags & SEC_ENABLED && priv->sec.enabled != sec->enabled) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8415 | priv->sec.flags |= SEC_ENABLED; |
| 8416 | priv->sec.enabled = sec->enabled; |
| 8417 | priv->status |= STATUS_SECURITY_UPDATED; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8418 | if (sec->enabled) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8419 | priv->capability |= CAP_PRIVACY_ON; |
| 8420 | else |
| 8421 | priv->capability &= ~CAP_PRIVACY_ON; |
| 8422 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8423 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8424 | if (sec->flags & SEC_LEVEL && priv->sec.level != sec->level) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8425 | priv->sec.level = sec->level; |
| 8426 | priv->sec.flags |= SEC_LEVEL; |
| 8427 | priv->status |= STATUS_SECURITY_UPDATED; |
| 8428 | } |
| 8429 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8430 | /* To match current functionality of ipw2100 (which works well w/ |
| 8431 | * various supplicants, we don't force a disassociate if the |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8432 | * privacy capability changes ... */ |
| 8433 | #if 0 |
| 8434 | if ((priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) && |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8435 | (((priv->assoc_request.capability & |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8436 | WLAN_CAPABILITY_PRIVACY) && !sec->enabled) || |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8437 | (!(priv->assoc_request.capability & |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8438 | WLAN_CAPABILITY_PRIVACY) && sec->enabled))) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8439 | IPW_DEBUG_ASSOC("Disassociating due to capability " |
| 8440 | "change.\n"); |
| 8441 | ipw_disassociate(priv); |
| 8442 | } |
| 8443 | #endif |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8444 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8445 | } |
| 8446 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8447 | static int init_supported_rates(struct ipw_priv *priv, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8448 | struct ipw_supported_rates *rates) |
| 8449 | { |
| 8450 | /* TODO: Mask out rates based on priv->rates_mask */ |
| 8451 | |
| 8452 | memset(rates, 0, sizeof(*rates)); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8453 | /* configure supported rates */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8454 | switch (priv->ieee->freq_band) { |
| 8455 | case IEEE80211_52GHZ_BAND: |
| 8456 | rates->ieee_mode = IPW_A_MODE; |
| 8457 | rates->purpose = IPW_RATE_CAPABILITIES; |
| 8458 | ipw_add_ofdm_scan_rates(rates, IEEE80211_CCK_MODULATION, |
| 8459 | IEEE80211_OFDM_DEFAULT_RATES_MASK); |
| 8460 | break; |
| 8461 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8462 | default: /* Mixed or 2.4Ghz */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8463 | rates->ieee_mode = IPW_G_MODE; |
| 8464 | rates->purpose = IPW_RATE_CAPABILITIES; |
| 8465 | ipw_add_cck_scan_rates(rates, IEEE80211_CCK_MODULATION, |
| 8466 | IEEE80211_CCK_DEFAULT_RATES_MASK); |
| 8467 | if (priv->ieee->modulation & IEEE80211_OFDM_MODULATION) { |
| 8468 | ipw_add_ofdm_scan_rates(rates, IEEE80211_CCK_MODULATION, |
| 8469 | IEEE80211_OFDM_DEFAULT_RATES_MASK); |
| 8470 | } |
| 8471 | break; |
| 8472 | } |
| 8473 | |
| 8474 | return 0; |
| 8475 | } |
| 8476 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8477 | static int ipw_config(struct ipw_priv *priv) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8478 | { |
| 8479 | int i; |
| 8480 | struct ipw_tx_power tx_power; |
| 8481 | |
| 8482 | memset(&priv->sys_config, 0, sizeof(priv->sys_config)); |
| 8483 | memset(&tx_power, 0, sizeof(tx_power)); |
| 8484 | |
| 8485 | /* This is only called from ipw_up, which resets/reloads the firmware |
| 8486 | so, we don't need to first disable the card before we configure |
| 8487 | it */ |
| 8488 | |
| 8489 | /* configure device for 'G' band */ |
| 8490 | tx_power.ieee_mode = IPW_G_MODE; |
| 8491 | tx_power.num_channels = 11; |
| 8492 | for (i = 0; i < 11; i++) { |
| 8493 | tx_power.channels_tx_power[i].channel_number = i + 1; |
| 8494 | tx_power.channels_tx_power[i].tx_power = priv->tx_power; |
| 8495 | } |
| 8496 | if (ipw_send_tx_power(priv, &tx_power)) |
| 8497 | goto error; |
| 8498 | |
| 8499 | /* configure device to also handle 'B' band */ |
| 8500 | tx_power.ieee_mode = IPW_B_MODE; |
| 8501 | if (ipw_send_tx_power(priv, &tx_power)) |
| 8502 | goto error; |
| 8503 | |
| 8504 | /* initialize adapter address */ |
| 8505 | if (ipw_send_adapter_address(priv, priv->net_dev->dev_addr)) |
| 8506 | goto error; |
| 8507 | |
| 8508 | /* set basic system config settings */ |
| 8509 | init_sys_config(&priv->sys_config); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8510 | if (priv->ieee->iw_mode == IW_MODE_ADHOC) |
| 8511 | priv->sys_config.answer_broadcast_ssid_probe = 1; |
| 8512 | else |
| 8513 | priv->sys_config.answer_broadcast_ssid_probe = 0; |
| 8514 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8515 | if (ipw_send_system_config(priv, &priv->sys_config)) |
| 8516 | goto error; |
| 8517 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8518 | init_supported_rates(priv, &priv->rates); |
| 8519 | if (ipw_send_supported_rates(priv, &priv->rates)) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8520 | goto error; |
| 8521 | |
| 8522 | /* Set request-to-send threshold */ |
| 8523 | if (priv->rts_threshold) { |
| 8524 | if (ipw_send_rts_threshold(priv, priv->rts_threshold)) |
| 8525 | goto error; |
| 8526 | } |
| 8527 | |
| 8528 | if (ipw_set_random_seed(priv)) |
| 8529 | goto error; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8530 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8531 | /* final state transition to the RUN state */ |
| 8532 | if (ipw_send_host_complete(priv)) |
| 8533 | goto error; |
| 8534 | |
| 8535 | /* If configured to try and auto-associate, kick off a scan */ |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8536 | if ((priv->config & CFG_ASSOCIATE) && ipw_request_scan(priv)) { |
| 8537 | IPW_WARNING("error sending scan request\n"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8538 | goto error; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8539 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8540 | |
| 8541 | return 0; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8542 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8543 | error: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8544 | return -EIO; |
| 8545 | } |
| 8546 | |
| 8547 | #define MAX_HW_RESTARTS 5 |
| 8548 | static int ipw_up(struct ipw_priv *priv) |
| 8549 | { |
| 8550 | int rc, i; |
| 8551 | |
| 8552 | if (priv->status & STATUS_EXIT_PENDING) |
| 8553 | return -EIO; |
| 8554 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8555 | for (i = 0; i < MAX_HW_RESTARTS; i++) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8556 | /* Load the microcode, firmware, and eeprom. |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8557 | * Also start the clocks. */ |
| 8558 | rc = ipw_load(priv); |
| 8559 | if (rc) { |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8560 | IPW_ERROR("Unable to load firmware: 0x%08X\n", rc); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8561 | return rc; |
| 8562 | } |
| 8563 | |
| 8564 | ipw_init_ordinals(priv); |
| 8565 | if (!(priv->config & CFG_CUSTOM_MAC)) |
| 8566 | eeprom_parse_mac(priv, priv->mac_addr); |
| 8567 | memcpy(priv->net_dev->dev_addr, priv->mac_addr, ETH_ALEN); |
| 8568 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8569 | if (priv->status & STATUS_RF_KILL_MASK) { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8570 | return 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8571 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8572 | |
| 8573 | rc = ipw_config(priv); |
| 8574 | if (!rc) { |
| 8575 | IPW_DEBUG_INFO("Configured device on count %i\n", i); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8576 | ipw_led_init(priv); |
| 8577 | ipw_led_radio_on(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8578 | priv->notif_missed_beacons = 0; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8579 | priv->status |= STATUS_INIT; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8580 | return 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8581 | } |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8582 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8583 | IPW_DEBUG_INFO("Device configuration failed: 0x%08X\n", rc); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8584 | IPW_DEBUG_INFO("Failed to config device on retry %d of %d\n", |
| 8585 | i, MAX_HW_RESTARTS); |
| 8586 | |
| 8587 | /* We had an error bringing up the hardware, so take it |
| 8588 | * all the way back down so we can try again */ |
| 8589 | ipw_down(priv); |
| 8590 | } |
| 8591 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8592 | /* tried to restart and config the device for as long as our |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8593 | * patience could withstand */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8594 | IPW_ERROR("Unable to initialize device after %d attempts.\n", i); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8595 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8596 | return -EIO; |
| 8597 | } |
| 8598 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8599 | static void ipw_bg_up(void *data) |
| 8600 | { |
| 8601 | struct ipw_priv *priv = data; |
| 8602 | down(&priv->sem); |
| 8603 | ipw_up(data); |
| 8604 | up(&priv->sem); |
| 8605 | } |
| 8606 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8607 | static void ipw_down(struct ipw_priv *priv) |
| 8608 | { |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8609 | #if 0 |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8610 | /* Attempt to disable the card */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8611 | ipw_send_card_disable(priv, 0); |
| 8612 | #endif |
| 8613 | |
| 8614 | /* tell the device to stop sending interrupts */ |
| 8615 | ipw_disable_interrupts(priv); |
| 8616 | |
| 8617 | /* Clear all bits but the RF Kill */ |
| 8618 | priv->status &= STATUS_RF_KILL_MASK; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8619 | netif_carrier_off(priv->net_dev); |
| 8620 | netif_stop_queue(priv->net_dev); |
| 8621 | |
| 8622 | ipw_stop_nic(priv); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8623 | |
| 8624 | ipw_led_radio_off(priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8625 | } |
| 8626 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8627 | static void ipw_bg_down(void *data) |
| 8628 | { |
| 8629 | struct ipw_priv *priv = data; |
| 8630 | down(&priv->sem); |
| 8631 | ipw_down(data); |
| 8632 | up(&priv->sem); |
| 8633 | } |
| 8634 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8635 | static int ipw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 8636 | { |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8637 | struct iwreq *wrq = (struct iwreq *)rq; |
| 8638 | int ret = -1; |
| 8639 | switch (cmd) { |
| 8640 | case IPW_IOCTL_WPA_SUPPLICANT: |
| 8641 | ret = ipw_wpa_supplicant(dev, &wrq->u.data); |
| 8642 | return ret; |
| 8643 | |
| 8644 | default: |
| 8645 | return -EOPNOTSUPP; |
| 8646 | } |
| 8647 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8648 | return -EOPNOTSUPP; |
| 8649 | } |
| 8650 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8651 | /* Called by register_netdev() */ |
| 8652 | static int ipw_net_init(struct net_device *dev) |
| 8653 | { |
| 8654 | struct ipw_priv *priv = ieee80211_priv(dev); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8655 | down(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8656 | if (priv->status & STATUS_RF_KILL_SW) { |
| 8657 | IPW_WARNING("Radio disabled by module parameter.\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8658 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8659 | return 0; |
| 8660 | } else if (rf_kill_active(priv)) { |
| 8661 | IPW_WARNING("Radio Frequency Kill Switch is On:\n" |
| 8662 | "Kill switch must be turned off for " |
| 8663 | "wireless networking to work.\n"); |
| 8664 | queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8665 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8666 | return 0; |
| 8667 | } |
| 8668 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8669 | if (ipw_up(priv)) { |
| 8670 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8671 | return -EIO; |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8672 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8673 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8674 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8675 | return 0; |
| 8676 | } |
| 8677 | |
| 8678 | /* PCI driver stuff */ |
| 8679 | static struct pci_device_id card_ids[] = { |
| 8680 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2701, 0, 0, 0}, |
| 8681 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2702, 0, 0, 0}, |
| 8682 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2711, 0, 0, 0}, |
| 8683 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2712, 0, 0, 0}, |
| 8684 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2721, 0, 0, 0}, |
| 8685 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2722, 0, 0, 0}, |
| 8686 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2731, 0, 0, 0}, |
| 8687 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2732, 0, 0, 0}, |
| 8688 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2741, 0, 0, 0}, |
| 8689 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x103c, 0x2741, 0, 0, 0}, |
| 8690 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2742, 0, 0, 0}, |
| 8691 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2751, 0, 0, 0}, |
| 8692 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2752, 0, 0, 0}, |
| 8693 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2753, 0, 0, 0}, |
| 8694 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2754, 0, 0, 0}, |
| 8695 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2761, 0, 0, 0}, |
| 8696 | {PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, 0x2762, 0, 0, 0}, |
| 8697 | {PCI_VENDOR_ID_INTEL, 0x104f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8698 | {PCI_VENDOR_ID_INTEL, 0x4220, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* BG */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8699 | {PCI_VENDOR_ID_INTEL, 0x4221, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* BG */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8700 | {PCI_VENDOR_ID_INTEL, 0x4223, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* ABG */ |
| 8701 | {PCI_VENDOR_ID_INTEL, 0x4224, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* ABG */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8702 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8703 | /* required last entry */ |
| 8704 | {0,} |
| 8705 | }; |
| 8706 | |
| 8707 | MODULE_DEVICE_TABLE(pci, card_ids); |
| 8708 | |
| 8709 | static struct attribute *ipw_sysfs_entries[] = { |
| 8710 | &dev_attr_rf_kill.attr, |
| 8711 | &dev_attr_direct_dword.attr, |
| 8712 | &dev_attr_indirect_byte.attr, |
| 8713 | &dev_attr_indirect_dword.attr, |
| 8714 | &dev_attr_mem_gpio_reg.attr, |
| 8715 | &dev_attr_command_event_reg.attr, |
| 8716 | &dev_attr_nic_type.attr, |
| 8717 | &dev_attr_status.attr, |
| 8718 | &dev_attr_cfg.attr, |
| 8719 | &dev_attr_dump_errors.attr, |
| 8720 | &dev_attr_dump_events.attr, |
| 8721 | &dev_attr_eeprom_delay.attr, |
| 8722 | &dev_attr_ucode_version.attr, |
| 8723 | &dev_attr_rtc.attr, |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8724 | &dev_attr_scan_age.attr, |
| 8725 | &dev_attr_led.attr, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8726 | NULL |
| 8727 | }; |
| 8728 | |
| 8729 | static struct attribute_group ipw_attribute_group = { |
| 8730 | .name = NULL, /* put in device directory */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8731 | .attrs = ipw_sysfs_entries, |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8732 | }; |
| 8733 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8734 | static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8735 | { |
| 8736 | int err = 0; |
| 8737 | struct net_device *net_dev; |
| 8738 | void __iomem *base; |
| 8739 | u32 length, val; |
| 8740 | struct ipw_priv *priv; |
| 8741 | int band, modulation; |
| 8742 | |
| 8743 | net_dev = alloc_ieee80211(sizeof(struct ipw_priv)); |
| 8744 | if (net_dev == NULL) { |
| 8745 | err = -ENOMEM; |
| 8746 | goto out; |
| 8747 | } |
| 8748 | |
| 8749 | priv = ieee80211_priv(net_dev); |
| 8750 | priv->ieee = netdev_priv(net_dev); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8751 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8752 | priv->net_dev = net_dev; |
| 8753 | priv->pci_dev = pdev; |
| 8754 | #ifdef CONFIG_IPW_DEBUG |
| 8755 | ipw_debug_level = debug; |
| 8756 | #endif |
| 8757 | spin_lock_init(&priv->lock); |
| 8758 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8759 | init_MUTEX(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8760 | if (pci_enable_device(pdev)) { |
| 8761 | err = -ENODEV; |
| 8762 | goto out_free_ieee80211; |
| 8763 | } |
| 8764 | |
| 8765 | pci_set_master(pdev); |
| 8766 | |
Tobias Klauser | 0e08b44 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 8767 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8768 | if (!err) |
Tobias Klauser | 0e08b44 | 2005-06-20 14:28:41 -0700 | [diff] [blame] | 8769 | err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8770 | if (err) { |
| 8771 | printk(KERN_WARNING DRV_NAME ": No suitable DMA available.\n"); |
| 8772 | goto out_pci_disable_device; |
| 8773 | } |
| 8774 | |
| 8775 | pci_set_drvdata(pdev, priv); |
| 8776 | |
| 8777 | err = pci_request_regions(pdev, DRV_NAME); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8778 | if (err) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8779 | goto out_pci_disable_device; |
| 8780 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8781 | /* We disable the RETRY_TIMEOUT register (0x41) to keep |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8782 | * PCI Tx retries from interfering with C3 CPU state */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8783 | pci_read_config_dword(pdev, 0x40, &val); |
| 8784 | if ((val & 0x0000ff00) != 0) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8785 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8786 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8787 | length = pci_resource_len(pdev, 0); |
| 8788 | priv->hw_len = length; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8789 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8790 | base = ioremap_nocache(pci_resource_start(pdev, 0), length); |
| 8791 | if (!base) { |
| 8792 | err = -ENODEV; |
| 8793 | goto out_pci_release_regions; |
| 8794 | } |
| 8795 | |
| 8796 | priv->hw_base = base; |
| 8797 | IPW_DEBUG_INFO("pci_resource_len = 0x%08x\n", length); |
| 8798 | IPW_DEBUG_INFO("pci_resource_base = %p\n", base); |
| 8799 | |
| 8800 | err = ipw_setup_deferred_work(priv); |
| 8801 | if (err) { |
| 8802 | IPW_ERROR("Unable to setup deferred work\n"); |
| 8803 | goto out_iounmap; |
| 8804 | } |
| 8805 | |
| 8806 | /* Initialize module parameter values here */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8807 | |
| 8808 | /* We default to disabling the LED code as right now it causes |
| 8809 | * too many systems to lock up... */ |
| 8810 | if (!led) |
| 8811 | priv->config |= CFG_NO_LED; |
| 8812 | |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8813 | if (associate) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8814 | priv->config |= CFG_ASSOCIATE; |
| 8815 | else |
| 8816 | IPW_DEBUG_INFO("Auto associate disabled.\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8817 | |
| 8818 | if (auto_create) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8819 | priv->config |= CFG_ADHOC_CREATE; |
| 8820 | else |
| 8821 | IPW_DEBUG_INFO("Auto adhoc creation disabled.\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8822 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8823 | if (disable) { |
| 8824 | priv->status |= STATUS_RF_KILL_SW; |
| 8825 | IPW_DEBUG_INFO("Radio disabled.\n"); |
| 8826 | } |
| 8827 | |
| 8828 | if (channel != 0) { |
| 8829 | priv->config |= CFG_STATIC_CHANNEL; |
| 8830 | priv->channel = channel; |
| 8831 | IPW_DEBUG_INFO("Bind to static channel %d\n", channel); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8832 | IPW_DEBUG_INFO("Bind to static channel %d\n", channel); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8833 | /* TODO: Validate that provided channel is in range */ |
| 8834 | } |
| 8835 | |
| 8836 | switch (mode) { |
| 8837 | case 1: |
| 8838 | priv->ieee->iw_mode = IW_MODE_ADHOC; |
| 8839 | break; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8840 | #ifdef CONFIG_IPW_MONITOR |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8841 | case 2: |
| 8842 | priv->ieee->iw_mode = IW_MODE_MONITOR; |
| 8843 | break; |
| 8844 | #endif |
| 8845 | default: |
| 8846 | case 0: |
| 8847 | priv->ieee->iw_mode = IW_MODE_INFRA; |
| 8848 | break; |
| 8849 | } |
| 8850 | |
| 8851 | if ((priv->pci_dev->device == 0x4223) || |
| 8852 | (priv->pci_dev->device == 0x4224)) { |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8853 | printk(KERN_INFO DRV_NAME |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8854 | ": Detected Intel PRO/Wireless 2915ABG Network " |
| 8855 | "Connection\n"); |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 8856 | priv->ieee->abg_true = 1; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8857 | band = IEEE80211_52GHZ_BAND | IEEE80211_24GHZ_BAND; |
| 8858 | modulation = IEEE80211_OFDM_MODULATION | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8859 | IEEE80211_CCK_MODULATION; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8860 | priv->adapter = IPW_2915ABG; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8861 | priv->ieee->mode = IEEE_A | IEEE_G | IEEE_B; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8862 | } else { |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8863 | printk(KERN_INFO DRV_NAME |
| 8864 | ": Detected Intel PRO/Wireless 2200BG Network " |
| 8865 | "Connection\n"); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 8866 | |
James Ketrenos | a33a198 | 2005-09-14 14:28:59 -0500 | [diff] [blame] | 8867 | priv->ieee->abg_true = 0; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8868 | band = IEEE80211_24GHZ_BAND; |
| 8869 | modulation = IEEE80211_OFDM_MODULATION | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8870 | IEEE80211_CCK_MODULATION; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8871 | priv->adapter = IPW_2200BG; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8872 | priv->ieee->mode = IEEE_G | IEEE_B; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8873 | } |
| 8874 | |
| 8875 | priv->ieee->freq_band = band; |
| 8876 | priv->ieee->modulation = modulation; |
| 8877 | |
| 8878 | priv->rates_mask = IEEE80211_DEFAULT_RATES_MASK; |
| 8879 | |
| 8880 | priv->missed_beacon_threshold = IPW_MB_DISASSOCIATE_THRESHOLD_DEFAULT; |
| 8881 | priv->roaming_threshold = IPW_MB_ROAMING_THRESHOLD_DEFAULT; |
| 8882 | |
| 8883 | priv->rts_threshold = DEFAULT_RTS_THRESHOLD; |
| 8884 | |
| 8885 | /* If power management is turned on, default to AC mode */ |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8886 | priv->power_mode = IPW_POWER_AC; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8887 | priv->tx_power = IPW_DEFAULT_TX_POWER; |
| 8888 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8889 | err = request_irq(pdev->irq, ipw_isr, SA_SHIRQ, DRV_NAME, priv); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8890 | if (err) { |
| 8891 | IPW_ERROR("Error allocating IRQ %d\n", pdev->irq); |
| 8892 | goto out_destroy_workqueue; |
| 8893 | } |
| 8894 | |
| 8895 | SET_MODULE_OWNER(net_dev); |
| 8896 | SET_NETDEV_DEV(net_dev, &pdev->dev); |
| 8897 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8898 | ipw_wx_data.spy_data = &priv->ieee->spy_data; |
| 8899 | ipw_wx_data.ieee80211 = priv->ieee; |
| 8900 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8901 | down(&priv->sem); |
| 8902 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8903 | priv->ieee->hard_start_xmit = ipw_net_hard_start_xmit; |
| 8904 | priv->ieee->set_security = shim__set_security; |
| 8905 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8906 | priv->ieee->perfect_rssi = -20; |
| 8907 | priv->ieee->worst_rssi = -85; |
| 8908 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8909 | net_dev->open = ipw_net_open; |
| 8910 | net_dev->stop = ipw_net_stop; |
| 8911 | net_dev->init = ipw_net_init; |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 8912 | net_dev->do_ioctl = ipw_ioctl; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8913 | net_dev->get_stats = ipw_net_get_stats; |
| 8914 | net_dev->set_multicast_list = ipw_net_set_multicast_list; |
| 8915 | net_dev->set_mac_address = ipw_net_set_mac_address; |
| 8916 | net_dev->get_wireless_stats = ipw_get_wireless_stats; |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8917 | net_dev->wireless_data = &ipw_wx_data; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8918 | net_dev->wireless_handlers = &ipw_wx_handler_def; |
| 8919 | net_dev->ethtool_ops = &ipw_ethtool_ops; |
| 8920 | net_dev->irq = pdev->irq; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8921 | net_dev->base_addr = (unsigned long)priv->hw_base; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8922 | net_dev->mem_start = pci_resource_start(pdev, 0); |
| 8923 | net_dev->mem_end = net_dev->mem_start + pci_resource_len(pdev, 0) - 1; |
| 8924 | |
| 8925 | err = sysfs_create_group(&pdev->dev.kobj, &ipw_attribute_group); |
| 8926 | if (err) { |
| 8927 | IPW_ERROR("failed to create sysfs device attributes\n"); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8928 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8929 | goto out_release_irq; |
| 8930 | } |
| 8931 | |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 8932 | up(&priv->sem); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8933 | err = register_netdev(net_dev); |
| 8934 | if (err) { |
| 8935 | IPW_ERROR("failed to register network device\n"); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8936 | goto out_remove_sysfs; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8937 | } |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8938 | return 0; |
| 8939 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8940 | out_remove_sysfs: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8941 | sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8942 | out_release_irq: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8943 | free_irq(pdev->irq, priv); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8944 | out_destroy_workqueue: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8945 | destroy_workqueue(priv->workqueue); |
| 8946 | priv->workqueue = NULL; |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8947 | out_iounmap: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8948 | iounmap(priv->hw_base); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8949 | out_pci_release_regions: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8950 | pci_release_regions(pdev); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8951 | out_pci_disable_device: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8952 | pci_disable_device(pdev); |
| 8953 | pci_set_drvdata(pdev, NULL); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8954 | out_free_ieee80211: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8955 | free_ieee80211(priv->net_dev); |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 8956 | out: |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8957 | return err; |
| 8958 | } |
| 8959 | |
| 8960 | static void ipw_pci_remove(struct pci_dev *pdev) |
| 8961 | { |
| 8962 | struct ipw_priv *priv = pci_get_drvdata(pdev); |
| 8963 | if (!priv) |
| 8964 | return; |
| 8965 | |
| 8966 | priv->status |= STATUS_EXIT_PENDING; |
| 8967 | |
| 8968 | sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group); |
| 8969 | |
| 8970 | ipw_down(priv); |
| 8971 | |
| 8972 | unregister_netdev(priv->net_dev); |
| 8973 | |
| 8974 | if (priv->rxq) { |
| 8975 | ipw_rx_queue_free(priv, priv->rxq); |
| 8976 | priv->rxq = NULL; |
| 8977 | } |
| 8978 | ipw_tx_queue_free(priv); |
| 8979 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8980 | ipw_led_shutdown(priv); |
| 8981 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8982 | /* ipw_down will ensure that there is no more pending work |
| 8983 | * in the workqueue's, so we can safely remove them now. */ |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 8984 | cancel_delayed_work(&priv->adhoc_check); |
| 8985 | cancel_delayed_work(&priv->gather_stats); |
| 8986 | cancel_delayed_work(&priv->request_scan); |
| 8987 | cancel_delayed_work(&priv->rf_kill); |
| 8988 | cancel_delayed_work(&priv->scan_check); |
| 8989 | destroy_workqueue(priv->workqueue); |
| 8990 | priv->workqueue = NULL; |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 8991 | |
| 8992 | free_irq(pdev->irq, priv); |
| 8993 | iounmap(priv->hw_base); |
| 8994 | pci_release_regions(pdev); |
| 8995 | pci_disable_device(pdev); |
| 8996 | pci_set_drvdata(pdev, NULL); |
| 8997 | free_ieee80211(priv->net_dev); |
| 8998 | |
| 8999 | #ifdef CONFIG_PM |
| 9000 | if (fw_loaded) { |
| 9001 | release_firmware(bootfw); |
| 9002 | release_firmware(ucode); |
| 9003 | release_firmware(firmware); |
| 9004 | fw_loaded = 0; |
| 9005 | } |
| 9006 | #endif |
| 9007 | } |
| 9008 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9009 | #ifdef CONFIG_PM |
Pavel Machek | 583a4e8 | 2005-09-03 15:56:58 -0700 | [diff] [blame] | 9010 | static int ipw_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9011 | { |
| 9012 | struct ipw_priv *priv = pci_get_drvdata(pdev); |
| 9013 | struct net_device *dev = priv->net_dev; |
| 9014 | |
| 9015 | printk(KERN_INFO "%s: Going into suspend...\n", dev->name); |
| 9016 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 9017 | /* Take down the device; powers it off, etc. */ |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9018 | ipw_down(priv); |
| 9019 | |
| 9020 | /* Remove the PRESENT state of the device */ |
| 9021 | netif_device_detach(dev); |
| 9022 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9023 | pci_save_state(pdev); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9024 | pci_disable_device(pdev); |
Pavel Machek | 583a4e8 | 2005-09-03 15:56:58 -0700 | [diff] [blame] | 9025 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 9026 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9027 | return 0; |
| 9028 | } |
| 9029 | |
| 9030 | static int ipw_pci_resume(struct pci_dev *pdev) |
| 9031 | { |
| 9032 | struct ipw_priv *priv = pci_get_drvdata(pdev); |
| 9033 | struct net_device *dev = priv->net_dev; |
| 9034 | u32 val; |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 9035 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9036 | printk(KERN_INFO "%s: Coming out of suspend...\n", dev->name); |
| 9037 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 9038 | pci_set_power_state(pdev, PCI_D0); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9039 | pci_enable_device(pdev); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9040 | pci_restore_state(pdev); |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 9041 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9042 | /* |
| 9043 | * Suspend/Resume resets the PCI configuration space, so we have to |
| 9044 | * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries |
| 9045 | * from interfering with C3 CPU state. pci_restore_state won't help |
| 9046 | * here since it only restores the first 64 bytes pci config header. |
| 9047 | */ |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 9048 | pci_read_config_dword(pdev, 0x40, &val); |
| 9049 | if ((val & 0x0000ff00) != 0) |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9050 | pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); |
| 9051 | |
| 9052 | /* Set the device back into the PRESENT state; this will also wake |
| 9053 | * the queue of needed */ |
| 9054 | netif_device_attach(dev); |
| 9055 | |
| 9056 | /* Bring the device back up */ |
| 9057 | queue_work(priv->workqueue, &priv->up); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 9058 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9059 | return 0; |
| 9060 | } |
| 9061 | #endif |
| 9062 | |
| 9063 | /* driver initialization stuff */ |
| 9064 | static struct pci_driver ipw_driver = { |
| 9065 | .name = DRV_NAME, |
| 9066 | .id_table = card_ids, |
| 9067 | .probe = ipw_pci_probe, |
| 9068 | .remove = __devexit_p(ipw_pci_remove), |
| 9069 | #ifdef CONFIG_PM |
| 9070 | .suspend = ipw_pci_suspend, |
| 9071 | .resume = ipw_pci_resume, |
| 9072 | #endif |
| 9073 | }; |
| 9074 | |
| 9075 | static int __init ipw_init(void) |
| 9076 | { |
| 9077 | int ret; |
| 9078 | |
| 9079 | printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 9080 | printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n"); |
| 9081 | |
| 9082 | ret = pci_module_init(&ipw_driver); |
| 9083 | if (ret) { |
| 9084 | IPW_ERROR("Unable to initialize PCI module\n"); |
| 9085 | return ret; |
| 9086 | } |
| 9087 | |
Jeff Garzik | 0edd5b4 | 2005-09-07 00:48:31 -0400 | [diff] [blame] | 9088 | ret = driver_create_file(&ipw_driver.driver, &driver_attr_debug_level); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9089 | if (ret) { |
| 9090 | IPW_ERROR("Unable to create driver sysfs file\n"); |
| 9091 | pci_unregister_driver(&ipw_driver); |
| 9092 | return ret; |
| 9093 | } |
| 9094 | |
| 9095 | return ret; |
| 9096 | } |
| 9097 | |
| 9098 | static void __exit ipw_exit(void) |
| 9099 | { |
| 9100 | driver_remove_file(&ipw_driver.driver, &driver_attr_debug_level); |
| 9101 | pci_unregister_driver(&ipw_driver); |
| 9102 | } |
| 9103 | |
| 9104 | module_param(disable, int, 0444); |
| 9105 | MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); |
| 9106 | |
| 9107 | module_param(associate, int, 0444); |
| 9108 | MODULE_PARM_DESC(associate, "auto associate when scanning (default on)"); |
| 9109 | |
| 9110 | module_param(auto_create, int, 0444); |
| 9111 | MODULE_PARM_DESC(auto_create, "auto create adhoc network (default on)"); |
| 9112 | |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 9113 | module_param(led, int, 0444); |
James Ketrenos | c848d0a | 2005-08-24 21:56:24 -0500 | [diff] [blame^] | 9114 | MODULE_PARM_DESC(led, "enable led control on some systems (default 0 off)\n"); |
James Ketrenos | a613bff | 2005-08-24 21:43:11 -0500 | [diff] [blame] | 9115 | |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9116 | module_param(debug, int, 0444); |
| 9117 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 9118 | |
| 9119 | module_param(channel, int, 0444); |
Jeff Garzik | bf79451 | 2005-07-31 13:07:26 -0400 | [diff] [blame] | 9120 | MODULE_PARM_DESC(channel, "channel to limit associate to (default 0 [ANY])"); |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9121 | |
James Ketrenos | ea2b26e | 2005-08-24 21:25:16 -0500 | [diff] [blame] | 9122 | #ifdef CONFIG_IPW_MONITOR |
James Ketrenos | 43f66a6 | 2005-03-25 12:31:53 -0600 | [diff] [blame] | 9123 | module_param(mode, int, 0444); |
| 9124 | MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS,2=Monitor)"); |
| 9125 | #else |
| 9126 | module_param(mode, int, 0444); |
| 9127 | MODULE_PARM_DESC(mode, "network mode (0=BSS,1=IBSS)"); |
| 9128 | #endif |
| 9129 | |
| 9130 | module_exit(ipw_exit); |
| 9131 | module_init(ipw_init); |