Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * James P. Ketrenos <ipw2100-admin@linux.intel.com> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | *****************************************************************************/ |
Ben Cahill | fcd427b | 2007-11-29 11:10:00 +0800 | [diff] [blame] | 26 | /* |
| 27 | * Please use this file (iwl-3945.h) for driver implementation definitions. |
| 28 | * Please use iwl-3945-commands.h for uCode API definitions. |
| 29 | * Please use iwl-3945-hw.h for hardware-related definitions. |
| 30 | */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 31 | |
| 32 | #ifndef __iwl_3945_h__ |
| 33 | #define __iwl_3945_h__ |
| 34 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 35 | #include <linux/pci.h> /* for struct pci_device_id */ |
| 36 | #include <linux/kernel.h> |
| 37 | #include <net/ieee80211_radiotap.h> |
| 38 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 39 | /* Hardware specific file defines the PCI IDs table for that hardware module */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 40 | extern struct pci_device_id iwl3945_hw_card_ids[]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 41 | |
| 42 | #define DRV_NAME "iwl3945" |
Tomas Winkler | 6f83eaa | 2008-03-04 18:09:28 -0800 | [diff] [blame] | 43 | #include "iwl-csr.h" |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 44 | #include "iwl-prph.h" |
Tomas Winkler | 6f83eaa | 2008-03-04 18:09:28 -0800 | [diff] [blame] | 45 | #include "iwl-3945-hw.h" |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 46 | #include "iwl-3945-debug.h" |
| 47 | |
| 48 | /* Default noise level to report when noise measurement is not available. |
| 49 | * This may be because we're: |
| 50 | * 1) Not associated (4965, no beacon statistics being sent to driver) |
| 51 | * 2) Scanning (noise measurement does not apply to associated channel) |
| 52 | * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) |
| 53 | * Use default noise value of -127 ... this is below the range of measurable |
| 54 | * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. |
| 55 | * Also, -127 works better than 0 when averaging frames with/without |
| 56 | * noise info (e.g. averaging might be done in app); measured dBm values are |
| 57 | * always negative ... using a negative value as the default keeps all |
| 58 | * averages within an s8's (used in some apps) range of negative values. */ |
| 59 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) |
| 60 | |
| 61 | /* Module parameters accessible from iwl-*.c */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 62 | extern int iwl3945_param_hwcrypto; |
| 63 | extern int iwl3945_param_queues_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 64 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 65 | enum iwl3945_antenna { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 66 | IWL_ANTENNA_DIVERSITY, |
| 67 | IWL_ANTENNA_MAIN, |
| 68 | IWL_ANTENNA_AUX |
| 69 | }; |
| 70 | |
| 71 | /* |
| 72 | * RTS threshold here is total size [2347] minus 4 FCS bytes |
| 73 | * Per spec: |
| 74 | * a value of 0 means RTS on all data/management packets |
| 75 | * a value > max MSDU size means no RTS |
| 76 | * else RTS for data/management frames where MPDU is larger |
| 77 | * than RTS value. |
| 78 | */ |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 79 | #define IWL_RX_BUF_SIZE 3000U |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 80 | #define DEFAULT_RTS_THRESHOLD 2347U |
| 81 | #define MIN_RTS_THRESHOLD 0U |
| 82 | #define MAX_RTS_THRESHOLD 2347U |
| 83 | #define MAX_MSDU_SIZE 2304U |
| 84 | #define MAX_MPDU_SIZE 2346U |
| 85 | #define DEFAULT_BEACON_INTERVAL 100U |
| 86 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| 87 | #define DEFAULT_LONG_RETRY_LIMIT 4U |
| 88 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 89 | struct iwl3945_rx_mem_buffer { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 90 | dma_addr_t dma_addr; |
| 91 | struct sk_buff *skb; |
| 92 | struct list_head list; |
| 93 | }; |
| 94 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 95 | /* |
| 96 | * Generic queue structure |
| 97 | * |
| 98 | * Contains common data for Rx and Tx queues |
| 99 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 100 | struct iwl3945_queue { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 101 | int n_bd; /* number of BDs in this queue */ |
| 102 | int write_ptr; /* 1-st empty entry (index) host_w*/ |
| 103 | int read_ptr; /* last used entry (index) host_r*/ |
| 104 | dma_addr_t dma_addr; /* physical addr for BD's */ |
| 105 | int n_window; /* safe queue window */ |
| 106 | u32 id; |
| 107 | int low_mark; /* low watermark, resume queue if free |
| 108 | * space more than this */ |
| 109 | int high_mark; /* high watermark, stop queue if free |
| 110 | * space less than this */ |
| 111 | } __attribute__ ((packed)); |
| 112 | |
| 113 | #define MAX_NUM_OF_TBS (20) |
| 114 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 115 | /* One for each TFD */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 116 | struct iwl3945_tx_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 117 | struct ieee80211_tx_status status; |
| 118 | struct sk_buff *skb[MAX_NUM_OF_TBS]; |
| 119 | }; |
| 120 | |
| 121 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 122 | * struct iwl3945_tx_queue - Tx Queue for DMA |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 123 | * @q: generic Rx/Tx queue descriptor |
| 124 | * @bd: base of circular buffer of TFDs |
| 125 | * @cmd: array of command/Tx buffers |
| 126 | * @dma_addr_cmd: physical address of cmd/tx buffer array |
| 127 | * @txb: array of per-TFD driver data |
| 128 | * @need_update: indicates need to update read/write index |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 129 | * |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 130 | * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
| 131 | * descriptors) and required locking structures. |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 132 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 133 | struct iwl3945_tx_queue { |
| 134 | struct iwl3945_queue q; |
| 135 | struct iwl3945_tfd_frame *bd; |
| 136 | struct iwl3945_cmd *cmd; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 137 | dma_addr_t dma_addr_cmd; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 138 | struct iwl3945_tx_info *txb; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 139 | int need_update; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 140 | int active; |
| 141 | }; |
| 142 | |
| 143 | #define IWL_NUM_SCAN_RATES (2) |
| 144 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 145 | struct iwl3945_channel_tgd_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 146 | u8 type; |
| 147 | s8 max_power; |
| 148 | }; |
| 149 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 150 | struct iwl3945_channel_tgh_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 151 | s64 last_radar_time; |
| 152 | }; |
| 153 | |
| 154 | /* current Tx power values to use, one for each rate for each channel. |
| 155 | * requested power is limited by: |
| 156 | * -- regulatory EEPROM limits for this channel |
| 157 | * -- hardware capabilities (clip-powers) |
| 158 | * -- spectrum management |
| 159 | * -- user preference (e.g. iwconfig) |
| 160 | * when requested power is set, base power index must also be set. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 161 | struct iwl3945_channel_power_info { |
| 162 | struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 163 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| 164 | s8 base_power_index; /* gain index for power at factory temp. */ |
| 165 | s8 requested_power; /* power (dBm) requested for this chnl/rate */ |
| 166 | }; |
| 167 | |
| 168 | /* current scan Tx power values to use, one for each scan rate for each |
| 169 | * channel. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 170 | struct iwl3945_scan_power_info { |
| 171 | struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 172 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| 173 | s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ |
| 174 | }; |
| 175 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 176 | /* |
| 177 | * One for each channel, holds all channel setup data |
| 178 | * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant |
| 179 | * with one another! |
| 180 | */ |
| 181 | #define IWL4965_MAX_RATE (33) |
| 182 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 183 | struct iwl3945_channel_info { |
| 184 | struct iwl3945_channel_tgd_info tgd; |
| 185 | struct iwl3945_channel_tgh_info tgh; |
| 186 | struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| 187 | struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 188 | * FAT channel */ |
| 189 | |
| 190 | u8 channel; /* channel number */ |
| 191 | u8 flags; /* flags copied from EEPROM */ |
| 192 | s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| 193 | s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ |
| 194 | s8 min_power; /* always 0 */ |
| 195 | s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ |
| 196 | |
| 197 | u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ |
| 198 | u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 199 | enum ieee80211_band band; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 200 | |
| 201 | /* Radio/DSP gain settings for each "normal" data Tx rate. |
| 202 | * These include, in addition to RF and DSP gain, a few fields for |
| 203 | * remembering/modifying gain settings (indexes). */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 204 | struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 205 | |
| 206 | /* Radio/DSP gain settings for each scan rate, for directed scans. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 207 | struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 208 | }; |
| 209 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 210 | struct iwl3945_clip_group { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 211 | /* maximum power level to prevent clipping for each rate, derived by |
| 212 | * us from this band's saturation power in EEPROM */ |
| 213 | const s8 clip_powers[IWL_MAX_RATES]; |
| 214 | }; |
| 215 | |
| 216 | #include "iwl-3945-rs.h" |
| 217 | |
| 218 | #define IWL_TX_FIFO_AC0 0 |
| 219 | #define IWL_TX_FIFO_AC1 1 |
| 220 | #define IWL_TX_FIFO_AC2 2 |
| 221 | #define IWL_TX_FIFO_AC3 3 |
| 222 | #define IWL_TX_FIFO_HCCA_1 5 |
| 223 | #define IWL_TX_FIFO_HCCA_2 6 |
| 224 | #define IWL_TX_FIFO_NONE 7 |
| 225 | |
| 226 | /* Minimum number of queues. MAX_NUM is defined in hw specific files */ |
| 227 | #define IWL_MIN_NUM_QUEUES 4 |
| 228 | |
| 229 | /* Power management (not Tx power) structures */ |
| 230 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 231 | struct iwl3945_power_vec_entry { |
| 232 | struct iwl3945_powertable_cmd cmd; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 233 | u8 no_dtim; |
| 234 | }; |
| 235 | #define IWL_POWER_RANGE_0 (0) |
| 236 | #define IWL_POWER_RANGE_1 (1) |
| 237 | |
| 238 | #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */ |
| 239 | #define IWL_POWER_INDEX_3 0x03 |
| 240 | #define IWL_POWER_INDEX_5 0x05 |
| 241 | #define IWL_POWER_AC 0x06 |
| 242 | #define IWL_POWER_BATTERY 0x07 |
| 243 | #define IWL_POWER_LIMIT 0x07 |
| 244 | #define IWL_POWER_MASK 0x0F |
| 245 | #define IWL_POWER_ENABLED 0x10 |
| 246 | #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK) |
| 247 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 248 | struct iwl3945_power_mgr { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 249 | spinlock_t lock; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 250 | struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC]; |
| 251 | struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 252 | u8 active_index; |
| 253 | u32 dtim_val; |
| 254 | }; |
| 255 | |
| 256 | #define IEEE80211_DATA_LEN 2304 |
| 257 | #define IEEE80211_4ADDR_LEN 30 |
| 258 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 259 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| 260 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 261 | struct iwl3945_frame { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 262 | union { |
| 263 | struct ieee80211_hdr frame; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 264 | struct iwl3945_tx_beacon_cmd beacon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 265 | u8 raw[IEEE80211_FRAME_LEN]; |
| 266 | u8 cmd[360]; |
| 267 | } u; |
| 268 | struct list_head list; |
| 269 | }; |
| 270 | |
| 271 | #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) |
| 272 | #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) |
| 273 | #define SEQ_TO_INDEX(x) (x & 0xff) |
| 274 | #define INDEX_TO_SEQ(x) (x & 0xff) |
| 275 | #define SEQ_HUGE_FRAME (0x4000) |
| 276 | #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) |
| 277 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| 278 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| 279 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| 280 | |
| 281 | enum { |
| 282 | /* CMD_SIZE_NORMAL = 0, */ |
| 283 | CMD_SIZE_HUGE = (1 << 0), |
| 284 | /* CMD_SYNC = 0, */ |
| 285 | CMD_ASYNC = (1 << 1), |
| 286 | /* CMD_NO_SKB = 0, */ |
| 287 | CMD_WANT_SKB = (1 << 2), |
| 288 | }; |
| 289 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 290 | struct iwl3945_cmd; |
| 291 | struct iwl3945_priv; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 292 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 293 | struct iwl3945_cmd_meta { |
| 294 | struct iwl3945_cmd_meta *source; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 295 | union { |
| 296 | struct sk_buff *skb; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 297 | int (*callback)(struct iwl3945_priv *priv, |
| 298 | struct iwl3945_cmd *cmd, struct sk_buff *skb); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 299 | } __attribute__ ((packed)) u; |
| 300 | |
| 301 | /* The CMD_SIZE_HUGE flag bit indicates that the command |
| 302 | * structure is stored at the end of the shared queue memory. */ |
| 303 | u32 flags; |
| 304 | |
| 305 | } __attribute__ ((packed)); |
| 306 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 307 | /** |
| 308 | * struct iwl3945_cmd |
| 309 | * |
| 310 | * For allocation of the command and tx queues, this establishes the overall |
| 311 | * size of the largest command we send to uCode, except for a scan command |
| 312 | * (which is relatively huge; space is allocated separately). |
| 313 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 314 | struct iwl3945_cmd { |
| 315 | struct iwl3945_cmd_meta meta; |
| 316 | struct iwl3945_cmd_header hdr; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 317 | union { |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 318 | struct iwl3945_addsta_cmd addsta; |
| 319 | struct iwl3945_led_cmd led; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 320 | u32 flags; |
| 321 | u8 val8; |
| 322 | u16 val16; |
| 323 | u32 val32; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 324 | struct iwl3945_bt_cmd bt; |
| 325 | struct iwl3945_rxon_time_cmd rxon_time; |
| 326 | struct iwl3945_powertable_cmd powertable; |
| 327 | struct iwl3945_qosparam_cmd qosparam; |
| 328 | struct iwl3945_tx_cmd tx; |
| 329 | struct iwl3945_tx_beacon_cmd tx_beacon; |
| 330 | struct iwl3945_rxon_assoc_cmd rxon_assoc; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 331 | u8 *indirect; |
| 332 | u8 payload[360]; |
| 333 | } __attribute__ ((packed)) cmd; |
| 334 | } __attribute__ ((packed)); |
| 335 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 336 | struct iwl3945_host_cmd { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 337 | u8 id; |
| 338 | u16 len; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 339 | struct iwl3945_cmd_meta meta; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 340 | const void *data; |
| 341 | }; |
| 342 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 343 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \ |
| 344 | sizeof(struct iwl3945_cmd_meta)) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 345 | |
| 346 | /* |
| 347 | * RX related structures and functions |
| 348 | */ |
| 349 | #define RX_FREE_BUFFERS 64 |
| 350 | #define RX_LOW_WATERMARK 8 |
| 351 | |
| 352 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| 353 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| 354 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| 355 | |
| 356 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 357 | * struct iwl3945_rx_queue - Rx queue |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 358 | * @processed: Internal index to last handled Rx packet |
| 359 | * @read: Shared index to newest available Rx buffer |
| 360 | * @write: Shared index to oldest written Rx packet |
| 361 | * @free_count: Number of pre-allocated buffers in rx_free |
| 362 | * @rx_free: list of free SKBs for use |
| 363 | * @rx_used: List of Rx buffers with no SKB |
| 364 | * @need_update: flag to indicate we need to update read/write index |
| 365 | * |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 366 | * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 367 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 368 | struct iwl3945_rx_queue { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 369 | __le32 *bd; |
| 370 | dma_addr_t dma_addr; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 371 | struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
| 372 | struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 373 | u32 processed; |
| 374 | u32 read; |
| 375 | u32 write; |
| 376 | u32 free_count; |
| 377 | struct list_head rx_free; |
| 378 | struct list_head rx_used; |
| 379 | int need_update; |
| 380 | spinlock_t lock; |
| 381 | }; |
| 382 | |
| 383 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| 384 | |
| 385 | #define SCAN_INTERVAL 100 |
| 386 | |
| 387 | #define MAX_A_CHANNELS 252 |
| 388 | #define MIN_A_CHANNELS 7 |
| 389 | |
| 390 | #define MAX_B_CHANNELS 14 |
| 391 | #define MIN_B_CHANNELS 1 |
| 392 | |
| 393 | #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ |
| 394 | #define STATUS_INT_ENABLED 1 |
| 395 | #define STATUS_RF_KILL_HW 2 |
| 396 | #define STATUS_RF_KILL_SW 3 |
| 397 | #define STATUS_INIT 4 |
| 398 | #define STATUS_ALIVE 5 |
| 399 | #define STATUS_READY 6 |
| 400 | #define STATUS_TEMPERATURE 7 |
| 401 | #define STATUS_GEO_CONFIGURED 8 |
| 402 | #define STATUS_EXIT_PENDING 9 |
| 403 | #define STATUS_IN_SUSPEND 10 |
| 404 | #define STATUS_STATISTICS 11 |
| 405 | #define STATUS_SCANNING 12 |
| 406 | #define STATUS_SCAN_ABORTING 13 |
| 407 | #define STATUS_SCAN_HW 14 |
| 408 | #define STATUS_POWER_PMI 15 |
| 409 | #define STATUS_FW_ERROR 16 |
Zhu Yi | a064647 | 2007-12-20 14:10:01 +0800 | [diff] [blame] | 410 | #define STATUS_CONF_PENDING 17 |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 411 | |
| 412 | #define MAX_TID_COUNT 9 |
| 413 | |
| 414 | #define IWL_INVALID_RATE 0xFF |
| 415 | #define IWL_INVALID_VALUE -1 |
| 416 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 417 | struct iwl3945_tid_data { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 418 | u16 seq_number; |
| 419 | }; |
| 420 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 421 | struct iwl3945_hw_key { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 422 | enum ieee80211_key_alg alg; |
| 423 | int keylen; |
| 424 | u8 key[32]; |
| 425 | }; |
| 426 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 427 | union iwl3945_ht_rate_supp { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 428 | u16 rates; |
| 429 | struct { |
| 430 | u8 siso_rate; |
| 431 | u8 mimo_rate; |
| 432 | }; |
| 433 | }; |
| 434 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 435 | union iwl3945_qos_capabity { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 436 | struct { |
| 437 | u8 edca_count:4; /* bit 0-3 */ |
| 438 | u8 q_ack:1; /* bit 4 */ |
| 439 | u8 queue_request:1; /* bit 5 */ |
| 440 | u8 txop_request:1; /* bit 6 */ |
| 441 | u8 reserved:1; /* bit 7 */ |
| 442 | } q_AP; |
| 443 | struct { |
| 444 | u8 acvo_APSD:1; /* bit 0 */ |
| 445 | u8 acvi_APSD:1; /* bit 1 */ |
| 446 | u8 ac_bk_APSD:1; /* bit 2 */ |
| 447 | u8 ac_be_APSD:1; /* bit 3 */ |
| 448 | u8 q_ack:1; /* bit 4 */ |
| 449 | u8 max_len:2; /* bit 5-6 */ |
| 450 | u8 more_data_ack:1; /* bit 7 */ |
| 451 | } q_STA; |
| 452 | u8 val; |
| 453 | }; |
| 454 | |
| 455 | /* QoS structures */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 456 | struct iwl3945_qos_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 457 | int qos_enable; |
| 458 | int qos_active; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 459 | union iwl3945_qos_capabity qos_cap; |
| 460 | struct iwl3945_qosparam_cmd def_qos_parm; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 461 | }; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 462 | |
| 463 | #define STA_PS_STATUS_WAKE 0 |
| 464 | #define STA_PS_STATUS_SLEEP 1 |
| 465 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 466 | struct iwl3945_station_entry { |
| 467 | struct iwl3945_addsta_cmd sta; |
| 468 | struct iwl3945_tid_data tid[MAX_TID_COUNT]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 469 | union { |
| 470 | struct { |
| 471 | u8 rate; |
| 472 | u8 flags; |
| 473 | } s; |
| 474 | u16 rate_n_flags; |
| 475 | } current_rate; |
| 476 | u8 used; |
| 477 | u8 ps_status; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 478 | struct iwl3945_hw_key keyinfo; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 479 | }; |
| 480 | |
| 481 | /* one for each uCode image (inst/data, boot/init/runtime) */ |
| 482 | struct fw_desc { |
| 483 | void *v_addr; /* access by driver */ |
| 484 | dma_addr_t p_addr; /* access by card's busmaster DMA */ |
| 485 | u32 len; /* bytes */ |
| 486 | }; |
| 487 | |
| 488 | /* uCode file layout */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 489 | struct iwl3945_ucode { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 490 | __le32 ver; /* major/minor/subminor */ |
| 491 | __le32 inst_size; /* bytes of runtime instructions */ |
| 492 | __le32 data_size; /* bytes of runtime data */ |
| 493 | __le32 init_size; /* bytes of initialization instructions */ |
| 494 | __le32 init_data_size; /* bytes of initialization data */ |
| 495 | __le32 boot_size; /* bytes of bootstrap instructions */ |
| 496 | u8 data[0]; /* data in same order as "size" elements */ |
| 497 | }; |
| 498 | |
| 499 | #define IWL_IBSS_MAC_HASH_SIZE 32 |
| 500 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 501 | struct iwl3945_ibss_seq { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 502 | u8 mac[ETH_ALEN]; |
| 503 | u16 seq_num; |
| 504 | u16 frag_num; |
| 505 | unsigned long packet_time; |
| 506 | struct list_head list; |
| 507 | }; |
| 508 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 509 | /** |
Zhu Yi | 12342c4 | 2007-12-20 11:27:32 +0800 | [diff] [blame] | 510 | * struct iwl3945_driver_hw_info |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 511 | * @max_txq_num: Max # Tx queues supported |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 512 | * @tx_cmd_len: Size of Tx command (but not including frame itself) |
Tomas Winkler | 3e82a82 | 2008-02-13 11:32:31 -0800 | [diff] [blame] | 513 | * @tx_ant_num: Number of TX antennas |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 514 | * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 515 | * @rx_buf_size: |
| 516 | * @max_pkt_size: |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 517 | * @max_rxq_log: Log-base-2 of max_rxq_size |
| 518 | * @max_stations: |
| 519 | * @bcast_sta_id: |
| 520 | * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status |
| 521 | * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status |
| 522 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 523 | struct iwl3945_driver_hw_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 524 | u16 max_txq_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 525 | u16 tx_cmd_len; |
Tomas Winkler | 3e82a82 | 2008-02-13 11:32:31 -0800 | [diff] [blame] | 526 | u16 tx_ant_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 527 | u16 max_rxq_size; |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 528 | u32 rx_buf_size; |
| 529 | u32 max_pkt_size; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 530 | u16 max_rxq_log; |
| 531 | u8 max_stations; |
| 532 | u8 bcast_sta_id; |
| 533 | void *shared_virt; |
| 534 | dma_addr_t shared_phys; |
| 535 | }; |
| 536 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 537 | #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 538 | x->u.rx_frame.stats.payload + \ |
| 539 | x->u.rx_frame.stats.phy_count)) |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 540 | #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 541 | IWL_RX_HDR(x)->payload + \ |
| 542 | le16_to_cpu(IWL_RX_HDR(x)->len))) |
| 543 | #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) |
| 544 | #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) |
| 545 | |
| 546 | |
| 547 | /****************************************************************************** |
| 548 | * |
| 549 | * Functions implemented in iwl-base.c which are forward declared here |
| 550 | * for use by iwl-*.c |
| 551 | * |
| 552 | *****************************************************************************/ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 553 | struct iwl3945_addsta_cmd; |
| 554 | extern int iwl3945_send_add_station(struct iwl3945_priv *priv, |
| 555 | struct iwl3945_addsta_cmd *sta, u8 flags); |
| 556 | extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 557 | int is_ap, u8 flags); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 558 | extern int iwl3945_is_network_packet(struct iwl3945_priv *priv, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 559 | struct ieee80211_hdr *header); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 560 | extern int iwl3945_power_init_handle(struct iwl3945_priv *priv); |
| 561 | extern int iwl3945_eeprom_init(struct iwl3945_priv *priv); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 562 | extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv, |
| 563 | struct iwl3945_rx_mem_buffer *rxb, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 564 | void *data, short len, |
| 565 | struct ieee80211_rx_status *stats, |
| 566 | u16 phy_flags); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 567 | extern int iwl3945_is_duplicate_packet(struct iwl3945_priv *priv, |
| 568 | struct ieee80211_hdr *header); |
| 569 | extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv); |
| 570 | extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv, |
| 571 | struct iwl3945_rx_queue *rxq); |
| 572 | extern int iwl3945_calc_db_from_ratio(int sig_ratio); |
| 573 | extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm); |
| 574 | extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv, |
| 575 | struct iwl3945_tx_queue *txq, int count, u32 id); |
| 576 | extern void iwl3945_rx_replenish(void *data); |
| 577 | extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); |
| 578 | extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 579 | const void *data); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 580 | extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv, |
| 581 | struct iwl3945_host_cmd *cmd); |
| 582 | extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 583 | struct ieee80211_hdr *hdr, |
| 584 | const u8 *dest, int left); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 585 | extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv, |
| 586 | struct iwl3945_rx_queue *q); |
| 587 | extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv); |
| 588 | extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 589 | u32 decrypt_res, |
| 590 | struct ieee80211_rx_status *stats); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 591 | extern const u8 iwl3945_broadcast_addr[ETH_ALEN]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 592 | |
| 593 | /* |
| 594 | * Currently used by iwl-3945-rs... look at restructuring so that it doesn't |
| 595 | * call this... todo... fix that. |
| 596 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 597 | extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 598 | u16 tx_rate, u8 flags); |
| 599 | |
| 600 | /****************************************************************************** |
| 601 | * |
| 602 | * Functions implemented in iwl-[34]*.c which are forward declared here |
| 603 | * for use by iwl-base.c |
| 604 | * |
| 605 | * NOTE: The implementation of these functions are hardware specific |
| 606 | * which is why they are in the hardware specific files (vs. iwl-base.c) |
| 607 | * |
| 608 | * Naming convention -- |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 609 | * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_) |
| 610 | * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 611 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 612 | * iwl3945_bg_ <-- Called from work queue context |
| 613 | * iwl3945_mac_ <-- mac80211 callback |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 614 | * |
| 615 | ****************************************************************************/ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 616 | extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv); |
| 617 | extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv); |
| 618 | extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv); |
| 619 | extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv); |
| 620 | extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv); |
| 621 | extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv); |
| 622 | extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv); |
| 623 | extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv); |
| 624 | extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv); |
| 625 | extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv); |
| 626 | extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 627 | dma_addr_t addr, u16 len); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 628 | extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); |
| 629 | extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv); |
| 630 | extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv, |
| 631 | struct iwl3945_tx_queue *txq); |
| 632 | extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv, |
| 633 | struct iwl3945_frame *frame, u8 rate); |
| 634 | extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv); |
| 635 | extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv, |
| 636 | struct iwl3945_cmd *cmd, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 637 | struct ieee80211_tx_control *ctrl, |
| 638 | struct ieee80211_hdr *hdr, |
| 639 | int sta_id, int tx_id); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 640 | extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv); |
| 641 | extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power); |
| 642 | extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, |
| 643 | struct iwl3945_rx_mem_buffer *rxb); |
| 644 | extern void iwl3945_disable_events(struct iwl3945_priv *priv); |
| 645 | extern int iwl4965_get_temperature(const struct iwl3945_priv *priv); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 646 | |
| 647 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 648 | * iwl3945_hw_find_station - Find station id for a given BSSID |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 649 | * @bssid: MAC address of station ID to find |
| 650 | * |
| 651 | * NOTE: This should not be hardware specific but the code has |
| 652 | * not yet been merged into a single common layer for managing the |
| 653 | * station tables. |
| 654 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 655 | extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 656 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 657 | extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 658 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 659 | /* |
| 660 | * Forward declare iwl-3945.c functions for iwl-base.c |
| 661 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 662 | extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv); |
| 663 | extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv); |
| 664 | extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv); |
| 665 | extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv); |
| 666 | extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id, |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 667 | u16 tx_rate, u8 flags); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 668 | |
| 669 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 670 | #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 671 | |
| 672 | enum { |
| 673 | MEASUREMENT_READY = (1 << 0), |
| 674 | MEASUREMENT_ACTIVE = (1 << 1), |
| 675 | }; |
| 676 | |
| 677 | #endif |
| 678 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 679 | struct iwl3945_priv { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 680 | |
| 681 | /* ieee device used by generic ieee processing code */ |
| 682 | struct ieee80211_hw *hw; |
| 683 | struct ieee80211_channel *ieee_channels; |
| 684 | struct ieee80211_rate *ieee_rates; |
Tomas Winkler | 82b9a12 | 2008-03-04 18:09:30 -0800 | [diff] [blame^] | 685 | struct iwl_3945_cfg *cfg; /* device configuration */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 686 | |
| 687 | /* temporary frame storage list */ |
| 688 | struct list_head free_frames; |
| 689 | int frames_count; |
| 690 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 691 | enum ieee80211_band band; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 692 | int alloc_rxb_skb; |
Zhu Yi | 12342c4 | 2007-12-20 11:27:32 +0800 | [diff] [blame] | 693 | bool add_radiotap; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 694 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 695 | void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv, |
| 696 | struct iwl3945_rx_mem_buffer *rxb); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 697 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 698 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 699 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 700 | #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 701 | /* spectrum measurement report caching */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 702 | struct iwl3945_spectrum_notification measure_report; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 703 | u8 measurement_status; |
| 704 | #endif |
| 705 | /* ucode beacon time */ |
| 706 | u32 ucode_beacon_time; |
| 707 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 708 | /* we allocate array of iwl3945_channel_info for NIC's valid channels. |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 709 | * Access via channel # using indirect index array */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 710 | struct iwl3945_channel_info *channel_info; /* channel info array */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 711 | u8 channel_count; /* # of channels */ |
| 712 | |
| 713 | /* each calibration channel group in the EEPROM has a derived |
| 714 | * clip setting for each rate. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 715 | const struct iwl3945_clip_group clip_groups[5]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 716 | |
| 717 | /* thermal calibration */ |
| 718 | s32 temperature; /* degrees Kelvin */ |
| 719 | s32 last_temperature; |
| 720 | |
| 721 | /* Scan related variables */ |
| 722 | unsigned long last_scan_jiffies; |
Mohamed Abbas | 7878a5a | 2007-11-29 11:10:13 +0800 | [diff] [blame] | 723 | unsigned long next_scan_jiffies; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 724 | unsigned long scan_start; |
| 725 | unsigned long scan_pass_start; |
| 726 | unsigned long scan_start_tsf; |
| 727 | int scan_bands; |
| 728 | int one_direct_scan; |
| 729 | u8 direct_ssid_len; |
| 730 | u8 direct_ssid[IW_ESSID_MAX_SIZE]; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 731 | struct iwl3945_scan_cmd *scan; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 732 | u8 only_active_channel; |
| 733 | |
| 734 | /* spinlock */ |
| 735 | spinlock_t lock; /* protect general shared data */ |
| 736 | spinlock_t hcmd_lock; /* protect hcmd */ |
| 737 | struct mutex mutex; |
| 738 | |
| 739 | /* basic pci-network driver stuff */ |
| 740 | struct pci_dev *pci_dev; |
| 741 | |
| 742 | /* pci hardware address support */ |
| 743 | void __iomem *hw_base; |
| 744 | |
| 745 | /* uCode images, save to reload in case of failure */ |
| 746 | struct fw_desc ucode_code; /* runtime inst */ |
| 747 | struct fw_desc ucode_data; /* runtime data original */ |
| 748 | struct fw_desc ucode_data_backup; /* runtime data save/restore */ |
| 749 | struct fw_desc ucode_init; /* initialization inst */ |
| 750 | struct fw_desc ucode_init_data; /* initialization data */ |
| 751 | struct fw_desc ucode_boot; /* bootstrap inst */ |
| 752 | |
| 753 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 754 | struct iwl3945_rxon_time_cmd rxon_timing; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 755 | |
| 756 | /* We declare this const so it can only be |
| 757 | * changed via explicit cast within the |
| 758 | * routines that actually update the physical |
| 759 | * hardware */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 760 | const struct iwl3945_rxon_cmd active_rxon; |
| 761 | struct iwl3945_rxon_cmd staging_rxon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 762 | |
| 763 | int error_recovering; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 764 | struct iwl3945_rxon_cmd recovery_rxon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 765 | |
| 766 | /* 1st responses from initialize and runtime uCode images. |
| 767 | * 4965's initialize alive response contains some calibration data. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 768 | struct iwl3945_init_alive_resp card_alive_init; |
| 769 | struct iwl3945_alive_resp card_alive; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 770 | |
| 771 | #ifdef LED |
| 772 | /* LED related variables */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 773 | struct iwl3945_activity_blink activity; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 774 | unsigned long led_packets; |
| 775 | int led_state; |
| 776 | #endif |
| 777 | |
| 778 | u16 active_rate; |
| 779 | u16 active_rate_basic; |
| 780 | |
| 781 | u8 call_post_assoc_from_beacon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 782 | /* Rate scaling data */ |
| 783 | s8 data_retry_limit; |
| 784 | u8 retry_rate; |
| 785 | |
| 786 | wait_queue_head_t wait_command_queue; |
| 787 | |
| 788 | int activity_timer_active; |
| 789 | |
| 790 | /* Rx and Tx DMA processing queues */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 791 | struct iwl3945_rx_queue rxq; |
| 792 | struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 793 | |
| 794 | unsigned long status; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 795 | |
| 796 | int last_rx_rssi; /* From Rx packet statisitics */ |
| 797 | int last_rx_noise; /* From beacon statistics */ |
| 798 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 799 | struct iwl3945_power_mgr power_data; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 800 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 801 | struct iwl3945_notif_statistics statistics; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 802 | unsigned long last_statistics_time; |
| 803 | |
| 804 | /* context information */ |
| 805 | u8 essid[IW_ESSID_MAX_SIZE]; |
| 806 | u8 essid_len; |
| 807 | u16 rates_mask; |
| 808 | |
| 809 | u32 power_mode; |
| 810 | u32 antenna; |
| 811 | u8 bssid[ETH_ALEN]; |
| 812 | u16 rts_threshold; |
| 813 | u8 mac_addr[ETH_ALEN]; |
| 814 | |
| 815 | /*station table variables */ |
| 816 | spinlock_t sta_lock; |
| 817 | int num_stations; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 818 | struct iwl3945_station_entry stations[IWL_STATION_COUNT]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 819 | |
| 820 | /* Indication if ieee80211_ops->open has been called */ |
| 821 | int is_open; |
| 822 | |
| 823 | u8 mac80211_registered; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 824 | |
| 825 | u32 notif_missed_beacons; |
| 826 | |
| 827 | /* Rx'd packet timing information */ |
| 828 | u32 last_beacon_time; |
| 829 | u64 last_tsf; |
| 830 | |
| 831 | /* Duplicate packet detection */ |
| 832 | u16 last_seq_num; |
| 833 | u16 last_frag_num; |
| 834 | unsigned long last_packet_time; |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 835 | |
| 836 | /* Hash table for finding stations in IBSS network */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 837 | struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; |
| 838 | |
| 839 | /* eeprom */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 840 | struct iwl3945_eeprom eeprom; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 841 | |
| 842 | int iw_mode; |
| 843 | |
| 844 | struct sk_buff *ibss_beacon; |
| 845 | |
| 846 | /* Last Rx'd beacon timestamp */ |
| 847 | u32 timestamp0; |
| 848 | u32 timestamp1; |
| 849 | u16 beacon_int; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 850 | struct iwl3945_driver_hw_info hw_setting; |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 851 | struct ieee80211_vif *vif; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 852 | |
| 853 | /* Current association information needed to configure the |
| 854 | * hardware */ |
| 855 | u16 assoc_id; |
| 856 | u16 assoc_capability; |
| 857 | u8 ps_mode; |
| 858 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 859 | struct iwl3945_qos_info qos_data; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 860 | |
| 861 | struct workqueue_struct *workqueue; |
| 862 | |
| 863 | struct work_struct up; |
| 864 | struct work_struct restart; |
| 865 | struct work_struct calibrated_work; |
| 866 | struct work_struct scan_completed; |
| 867 | struct work_struct rx_replenish; |
| 868 | struct work_struct rf_kill; |
| 869 | struct work_struct abort_scan; |
| 870 | struct work_struct update_link_led; |
| 871 | struct work_struct auth_work; |
| 872 | struct work_struct report_work; |
| 873 | struct work_struct request_scan; |
| 874 | struct work_struct beacon_update; |
| 875 | |
| 876 | struct tasklet_struct irq_tasklet; |
| 877 | |
| 878 | struct delayed_work init_alive_start; |
| 879 | struct delayed_work alive_start; |
| 880 | struct delayed_work activity_timer; |
| 881 | struct delayed_work thermal_periodic; |
| 882 | struct delayed_work gather_stats; |
| 883 | struct delayed_work scan_check; |
| 884 | struct delayed_work post_associate; |
| 885 | |
| 886 | #define IWL_DEFAULT_TX_POWER 0x0F |
| 887 | s8 user_txpower_limit; |
| 888 | s8 max_channel_txpower_limit; |
| 889 | |
| 890 | #ifdef CONFIG_PM |
| 891 | u32 pm_state[16]; |
| 892 | #endif |
| 893 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 894 | #ifdef CONFIG_IWL3945_DEBUG |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 895 | /* debugging info */ |
| 896 | u32 framecnt_to_us; |
| 897 | atomic_t restrict_refcnt; |
| 898 | #endif |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 899 | }; /*iwl3945_priv */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 900 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 901 | static inline int iwl3945_is_associated(struct iwl3945_priv *priv) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 902 | { |
| 903 | return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| 904 | } |
| 905 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 906 | static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 907 | { |
| 908 | if (ch_info == NULL) |
| 909 | return 0; |
| 910 | return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; |
| 911 | } |
| 912 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 913 | static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 914 | { |
| 915 | return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0; |
| 916 | } |
| 917 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 918 | static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 919 | { |
| 920 | return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; |
| 921 | } |
| 922 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 923 | static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 924 | { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 925 | return ch_info->band == IEEE80211_BAND_5GHZ; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 926 | } |
| 927 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 928 | static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 929 | { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 930 | return ch_info->band == IEEE80211_BAND_2GHZ; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 931 | } |
| 932 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 933 | static inline int is_channel_passive(const struct iwl3945_channel_info *ch) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 934 | { |
| 935 | return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; |
| 936 | } |
| 937 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 938 | static inline int is_channel_ibss(const struct iwl3945_channel_info *ch) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 939 | { |
| 940 | return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; |
| 941 | } |
| 942 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 943 | extern const struct iwl3945_channel_info *iwl3945_get_channel_info( |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 944 | const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 945 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 946 | /* Requires full declaration of iwl3945_priv before including */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 947 | #include "iwl-3945-io.h" |
| 948 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 949 | #endif |