Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of wl1271 |
| 3 | * |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5 | * |
| 6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 25 | #include <linux/firmware.h> |
| 26 | #include <linux/delay.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 27 | #include <linux/spi/spi.h> |
| 28 | #include <linux/crc32.h> |
| 29 | #include <linux/etherdevice.h> |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 30 | #include <linux/vmalloc.h> |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 31 | #include <linux/platform_device.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 33 | #include <linux/wl12xx.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 34 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 35 | #include "wl12xx.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 36 | #include "wl12xx_80211.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 37 | #include "reg.h" |
| 38 | #include "io.h" |
| 39 | #include "event.h" |
| 40 | #include "tx.h" |
| 41 | #include "rx.h" |
| 42 | #include "ps.h" |
| 43 | #include "init.h" |
| 44 | #include "debugfs.h" |
| 45 | #include "cmd.h" |
| 46 | #include "boot.h" |
| 47 | #include "testmode.h" |
| 48 | #include "scan.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 49 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 50 | #define WL1271_BOOT_RETRIES 3 |
| 51 | |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 52 | static struct conf_drv_settings default_conf = { |
| 53 | .sg = { |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 54 | .sta_params = { |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 55 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 56 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 57 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
Luciano Coelho | d9482e2 | 2011-03-21 17:58:32 +0200 | [diff] [blame] | 58 | [CONF_SG_BT_LOAD_RATIO] = 200, |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 59 | [CONF_SG_AUTO_PS_MODE] = 1, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 60 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 61 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 62 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 63 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 64 | [CONF_SG_RATE_ADAPT_THRESH] = 12, |
| 65 | [CONF_SG_RATE_ADAPT_SNR] = 0, |
| 66 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 67 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, |
| 68 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, |
| 69 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 70 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, |
| 71 | /* Note: with UPSD, this should be 4 */ |
| 72 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, |
| 73 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 74 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 75 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, |
| 76 | /* Note: with UPDS, this should be 15 */ |
| 77 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 78 | /* Note: with UPDS, this should be 50 */ |
| 79 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, |
| 80 | /* Note: with UPDS, this should be 10 */ |
| 81 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, |
| 82 | [CONF_SG_RXT] = 1200, |
| 83 | [CONF_SG_TXT] = 1000, |
| 84 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 85 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 86 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 87 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 88 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 89 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 90 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 91 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 92 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 93 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 94 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 95 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 96 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 97 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 98 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 99 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 100 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 101 | [CONF_SG_DHCP_TIME] = 5000, |
| 102 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 103 | }, |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 104 | .ap_params = { |
| 105 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 106 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 107 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
| 108 | [CONF_SG_BT_LOAD_RATIO] = 50, |
| 109 | [CONF_SG_AUTO_PS_MODE] = 1, |
| 110 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 111 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 112 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 113 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 114 | [CONF_SG_RATE_ADAPT_THRESH] = 64, |
| 115 | [CONF_SG_RATE_ADAPT_SNR] = 1, |
| 116 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 117 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 25, |
| 118 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 25, |
| 119 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 120 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 25, |
| 121 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 25, |
| 122 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 123 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 124 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 25, |
| 125 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 126 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 25, |
| 127 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 25, |
| 128 | [CONF_SG_RXT] = 1200, |
| 129 | [CONF_SG_TXT] = 1000, |
| 130 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 131 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 132 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 133 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 134 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 135 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 136 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 137 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 138 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 139 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 140 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 141 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 142 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 143 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 144 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 145 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 146 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 147 | [CONF_SG_DHCP_TIME] = 5000, |
| 148 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 149 | [CONF_SG_TEMP_PARAM_1] = 0, |
| 150 | [CONF_SG_TEMP_PARAM_2] = 0, |
| 151 | [CONF_SG_TEMP_PARAM_3] = 0, |
| 152 | [CONF_SG_TEMP_PARAM_4] = 0, |
| 153 | [CONF_SG_TEMP_PARAM_5] = 0, |
| 154 | [CONF_SG_AP_BEACON_MISS_TX] = 3, |
| 155 | [CONF_SG_RX_WINDOW_LENGTH] = 6, |
| 156 | [CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 50, |
| 157 | [CONF_SG_TEMP_PARAM_6] = 1, |
| 158 | }, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 159 | .state = CONF_SG_PROTECTIVE, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 160 | }, |
| 161 | .rx = { |
| 162 | .rx_msdu_life_time = 512000, |
| 163 | .packet_detection_threshold = 0, |
| 164 | .ps_poll_timeout = 15, |
| 165 | .upsd_timeout = 15, |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 166 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 167 | .rx_cca_threshold = 0, |
| 168 | .irq_blk_threshold = 0xFFFF, |
| 169 | .irq_pkt_threshold = 0, |
| 170 | .irq_timeout = 600, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 171 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
| 172 | }, |
| 173 | .tx = { |
| 174 | .tx_energy_detection = 0, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 175 | .sta_rc_conf = { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 176 | .enabled_rates = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 177 | .short_retry_limit = 10, |
| 178 | .long_retry_limit = 10, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 179 | .aflags = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 180 | }, |
| 181 | .ac_conf_count = 4, |
| 182 | .ac_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 183 | [CONF_TX_AC_BE] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 184 | .ac = CONF_TX_AC_BE, |
| 185 | .cw_min = 15, |
| 186 | .cw_max = 63, |
| 187 | .aifsn = 3, |
| 188 | .tx_op_limit = 0, |
| 189 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 190 | [CONF_TX_AC_BK] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 191 | .ac = CONF_TX_AC_BK, |
| 192 | .cw_min = 15, |
| 193 | .cw_max = 63, |
| 194 | .aifsn = 7, |
| 195 | .tx_op_limit = 0, |
| 196 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 197 | [CONF_TX_AC_VI] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 198 | .ac = CONF_TX_AC_VI, |
| 199 | .cw_min = 15, |
| 200 | .cw_max = 63, |
| 201 | .aifsn = CONF_TX_AIFS_PIFS, |
| 202 | .tx_op_limit = 3008, |
| 203 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 204 | [CONF_TX_AC_VO] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 205 | .ac = CONF_TX_AC_VO, |
| 206 | .cw_min = 15, |
| 207 | .cw_max = 63, |
| 208 | .aifsn = CONF_TX_AIFS_PIFS, |
| 209 | .tx_op_limit = 1504, |
| 210 | }, |
| 211 | }, |
Arik Nemtsov | 4768480 | 2011-04-26 23:21:51 +0300 | [diff] [blame] | 212 | .max_tx_retries = 100, |
| 213 | .ap_aging_period = 300, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 214 | .tid_conf_count = 4, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 215 | .tid_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 216 | [CONF_TX_AC_BE] = { |
| 217 | .queue_id = CONF_TX_AC_BE, |
| 218 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 219 | .tsid = CONF_TX_AC_BE, |
| 220 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 221 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 222 | .apsd_conf = {0, 0}, |
| 223 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 224 | [CONF_TX_AC_BK] = { |
| 225 | .queue_id = CONF_TX_AC_BK, |
| 226 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 227 | .tsid = CONF_TX_AC_BK, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 228 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 229 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 230 | .apsd_conf = {0, 0}, |
| 231 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 232 | [CONF_TX_AC_VI] = { |
| 233 | .queue_id = CONF_TX_AC_VI, |
| 234 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 235 | .tsid = CONF_TX_AC_VI, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 236 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 237 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 238 | .apsd_conf = {0, 0}, |
| 239 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 240 | [CONF_TX_AC_VO] = { |
| 241 | .queue_id = CONF_TX_AC_VO, |
| 242 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 243 | .tsid = CONF_TX_AC_VO, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 244 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 245 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 246 | .apsd_conf = {0, 0}, |
| 247 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 248 | }, |
| 249 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 250 | .tx_compl_timeout = 700, |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 251 | .tx_compl_threshold = 4, |
| 252 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, |
| 253 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 254 | .tmpl_short_retry_limit = 10, |
| 255 | .tmpl_long_retry_limit = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 256 | }, |
| 257 | .conn = { |
| 258 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 259 | .listen_interval = 1, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 260 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
| 261 | .bcn_filt_ie_count = 1, |
| 262 | .bcn_filt_ie = { |
| 263 | [0] = { |
| 264 | .ie = WLAN_EID_CHANNEL_SWITCH, |
| 265 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, |
| 266 | } |
| 267 | }, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 268 | .synch_fail_thold = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 269 | .bss_lose_timeout = 100, |
| 270 | .beacon_rx_timeout = 10000, |
| 271 | .broadcast_timeout = 20000, |
| 272 | .rx_broadcast_in_ps = 1, |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 273 | .ps_poll_threshold = 10, |
| 274 | .ps_poll_recovery_period = 700, |
Juuso Oikarinen | 11f70f9 | 2009-10-13 12:47:46 +0300 | [diff] [blame] | 275 | .bet_enable = CONF_BET_MODE_ENABLE, |
Ohad Ben-Cohen | 958b20e | 2011-03-14 18:53:10 +0200 | [diff] [blame] | 276 | .bet_max_consecutive = 50, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 277 | .psm_entry_retries = 5, |
Shahar Levi | 2370841 | 2011-04-13 14:52:50 +0300 | [diff] [blame] | 278 | .psm_exit_retries = 16, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 279 | .psm_entry_nullfunc_retries = 3, |
| 280 | .psm_entry_hangover_period = 1, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 281 | .keep_alive_interval = 55000, |
| 282 | .max_listen_interval = 20, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 283 | }, |
Luciano Coelho | 6e92b41 | 2009-12-11 15:40:50 +0200 | [diff] [blame] | 284 | .itrim = { |
| 285 | .enable = false, |
| 286 | .timeout = 50000, |
Juuso Oikarinen | 38ad2d8 | 2009-12-11 15:41:08 +0200 | [diff] [blame] | 287 | }, |
| 288 | .pm_config = { |
| 289 | .host_clk_settling_time = 5000, |
| 290 | .host_fast_wakeup_support = false |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 291 | }, |
| 292 | .roam_trigger = { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 293 | .trigger_pacing = 1, |
| 294 | .avg_weight_rssi_beacon = 20, |
| 295 | .avg_weight_rssi_data = 10, |
| 296 | .avg_weight_snr_beacon = 20, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 297 | .avg_weight_snr_data = 10, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 298 | }, |
| 299 | .scan = { |
| 300 | .min_dwell_time_active = 7500, |
| 301 | .max_dwell_time_active = 30000, |
Juuso Oikarinen | ea45b2c | 2011-01-24 07:01:54 +0100 | [diff] [blame] | 302 | .min_dwell_time_passive = 100000, |
| 303 | .max_dwell_time_passive = 100000, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 304 | .num_probe_reqs = 2, |
| 305 | }, |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 306 | .rf = { |
| 307 | .tx_per_channel_power_compensation_2 = { |
| 308 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 309 | }, |
| 310 | .tx_per_channel_power_compensation_5 = { |
| 311 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 312 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 313 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 314 | }, |
| 315 | }, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 316 | .ht = { |
| 317 | .tx_ba_win_size = 64, |
| 318 | .inactivity_timeout = 10000, |
| 319 | }, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 320 | .mem_wl127x = { |
Eliad Peller | fe5ef09 | 2011-02-02 09:59:36 +0200 | [diff] [blame] | 321 | .num_stations = 1, |
| 322 | .ssid_profiles = 1, |
| 323 | .rx_block_num = 70, |
| 324 | .tx_min_block_num = 40, |
Ido Yariv | 4cf557f | 2011-04-18 16:45:10 +0300 | [diff] [blame] | 325 | .dynamic_memory = 1, |
Ido Yariv | b16d4b6 | 2011-03-01 15:14:44 +0200 | [diff] [blame] | 326 | .min_req_tx_blocks = 100, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 327 | .min_req_rx_blocks = 22, |
| 328 | .tx_min = 27, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 329 | }, |
| 330 | .mem_wl128x = { |
| 331 | .num_stations = 1, |
| 332 | .ssid_profiles = 1, |
| 333 | .rx_block_num = 40, |
| 334 | .tx_min_block_num = 40, |
| 335 | .dynamic_memory = 1, |
| 336 | .min_req_tx_blocks = 45, |
| 337 | .min_req_rx_blocks = 22, |
| 338 | .tx_min = 27, |
| 339 | }, |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 340 | .fm_coex = { |
| 341 | .enable = true, |
| 342 | .swallow_period = 5, |
| 343 | .n_divider_fref_set_1 = 0xff, /* default */ |
| 344 | .n_divider_fref_set_2 = 12, |
| 345 | .m_divider_fref_set_1 = 148, |
| 346 | .m_divider_fref_set_2 = 0xffff, /* default */ |
| 347 | .coex_pll_stabilization_time = 0xffffffff, /* default */ |
| 348 | .ldo_stabilization_time = 0xffff, /* default */ |
| 349 | .fm_disturbed_band_margin = 0xff, /* default */ |
| 350 | .swallow_clk_diff = 0xff, /* default */ |
| 351 | }, |
Luciano Coelho | afb7d3c | 2011-04-01 20:48:02 +0300 | [diff] [blame] | 352 | .hci_io_ds = HCI_IO_DS_6MA, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 353 | }; |
| 354 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 355 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 356 | bool reset_tx_queues); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 357 | static void wl1271_free_ap_keys(struct wl1271 *wl); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 358 | |
| 359 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 360 | static void wl1271_device_release(struct device *dev) |
| 361 | { |
| 362 | |
| 363 | } |
| 364 | |
| 365 | static struct platform_device wl1271_device = { |
| 366 | .name = "wl1271", |
| 367 | .id = -1, |
| 368 | |
| 369 | /* device model insists to have a release function */ |
| 370 | .dev = { |
| 371 | .release = wl1271_device_release, |
| 372 | }, |
| 373 | }; |
| 374 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 375 | static DEFINE_MUTEX(wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 376 | static LIST_HEAD(wl_list); |
| 377 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 378 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
| 379 | void *arg) |
| 380 | { |
| 381 | struct net_device *dev = arg; |
| 382 | struct wireless_dev *wdev; |
| 383 | struct wiphy *wiphy; |
| 384 | struct ieee80211_hw *hw; |
| 385 | struct wl1271 *wl; |
| 386 | struct wl1271 *wl_temp; |
| 387 | int ret = 0; |
| 388 | |
| 389 | /* Check that this notification is for us. */ |
| 390 | if (what != NETDEV_CHANGE) |
| 391 | return NOTIFY_DONE; |
| 392 | |
| 393 | wdev = dev->ieee80211_ptr; |
| 394 | if (wdev == NULL) |
| 395 | return NOTIFY_DONE; |
| 396 | |
| 397 | wiphy = wdev->wiphy; |
| 398 | if (wiphy == NULL) |
| 399 | return NOTIFY_DONE; |
| 400 | |
| 401 | hw = wiphy_priv(wiphy); |
| 402 | if (hw == NULL) |
| 403 | return NOTIFY_DONE; |
| 404 | |
| 405 | wl_temp = hw->priv; |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 406 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 407 | list_for_each_entry(wl, &wl_list, list) { |
| 408 | if (wl == wl_temp) |
| 409 | break; |
| 410 | } |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 411 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 412 | if (wl != wl_temp) |
| 413 | return NOTIFY_DONE; |
| 414 | |
| 415 | mutex_lock(&wl->mutex); |
| 416 | |
| 417 | if (wl->state == WL1271_STATE_OFF) |
| 418 | goto out; |
| 419 | |
| 420 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 421 | goto out; |
| 422 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 423 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 424 | if (ret < 0) |
| 425 | goto out; |
| 426 | |
| 427 | if ((dev->operstate == IF_OPER_UP) && |
| 428 | !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { |
| 429 | wl1271_cmd_set_sta_state(wl); |
| 430 | wl1271_info("Association completed."); |
| 431 | } |
| 432 | |
| 433 | wl1271_ps_elp_sleep(wl); |
| 434 | |
| 435 | out: |
| 436 | mutex_unlock(&wl->mutex); |
| 437 | |
| 438 | return NOTIFY_OK; |
| 439 | } |
| 440 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 441 | static int wl1271_reg_notify(struct wiphy *wiphy, |
Luciano Coelho | 573c67c | 2010-11-26 13:44:59 +0200 | [diff] [blame] | 442 | struct regulatory_request *request) |
| 443 | { |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 444 | struct ieee80211_supported_band *band; |
| 445 | struct ieee80211_channel *ch; |
| 446 | int i; |
| 447 | |
| 448 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 449 | for (i = 0; i < band->n_channels; i++) { |
| 450 | ch = &band->channels[i]; |
| 451 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 452 | continue; |
| 453 | |
| 454 | if (ch->flags & IEEE80211_CHAN_RADAR) |
| 455 | ch->flags |= IEEE80211_CHAN_NO_IBSS | |
| 456 | IEEE80211_CHAN_PASSIVE_SCAN; |
| 457 | |
| 458 | } |
| 459 | |
| 460 | return 0; |
| 461 | } |
| 462 | |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 463 | static void wl1271_conf_init(struct wl1271 *wl) |
| 464 | { |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 465 | |
| 466 | /* |
| 467 | * This function applies the default configuration to the driver. This |
| 468 | * function is invoked upon driver load (spi probe.) |
| 469 | * |
| 470 | * The configuration is stored in a run-time structure in order to |
| 471 | * facilitate for run-time adjustment of any of the parameters. Making |
| 472 | * changes to the configuration structure will apply the new values on |
| 473 | * the next interface up (wl1271_op_start.) |
| 474 | */ |
| 475 | |
| 476 | /* apply driver default configuration */ |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 477 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 481 | static int wl1271_plt_init(struct wl1271 *wl) |
| 482 | { |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 483 | struct conf_tx_ac_category *conf_ac; |
| 484 | struct conf_tx_tid *conf_tid; |
| 485 | int ret, i; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 486 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 487 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 488 | ret = wl128x_cmd_general_parms(wl); |
| 489 | else |
| 490 | ret = wl1271_cmd_general_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 491 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 492 | return ret; |
| 493 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 494 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 495 | ret = wl128x_cmd_radio_parms(wl); |
| 496 | else |
| 497 | ret = wl1271_cmd_radio_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 498 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 499 | return ret; |
| 500 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 501 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
| 502 | ret = wl1271_cmd_ext_radio_parms(wl); |
| 503 | if (ret < 0) |
| 504 | return ret; |
| 505 | } |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 506 | if (ret < 0) |
| 507 | return ret; |
| 508 | |
Shahar Levi | 48a6147 | 2011-03-06 16:32:08 +0200 | [diff] [blame] | 509 | /* Chip-specific initializations */ |
| 510 | ret = wl1271_chip_specific_init(wl); |
| 511 | if (ret < 0) |
| 512 | return ret; |
| 513 | |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 514 | ret = wl1271_sta_init_templates_config(wl); |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 515 | if (ret < 0) |
| 516 | return ret; |
| 517 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 518 | ret = wl1271_acx_init_mem_config(wl); |
| 519 | if (ret < 0) |
| 520 | return ret; |
| 521 | |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 522 | /* PHY layer config */ |
| 523 | ret = wl1271_init_phy_config(wl); |
| 524 | if (ret < 0) |
| 525 | goto out_free_memmap; |
| 526 | |
| 527 | ret = wl1271_acx_dco_itrim_params(wl); |
| 528 | if (ret < 0) |
| 529 | goto out_free_memmap; |
| 530 | |
| 531 | /* Initialize connection monitoring thresholds */ |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 532 | ret = wl1271_acx_conn_monit_params(wl, false); |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 533 | if (ret < 0) |
| 534 | goto out_free_memmap; |
| 535 | |
| 536 | /* Bluetooth WLAN coexistence */ |
| 537 | ret = wl1271_init_pta(wl); |
| 538 | if (ret < 0) |
| 539 | goto out_free_memmap; |
| 540 | |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 541 | /* FM WLAN coexistence */ |
| 542 | ret = wl1271_acx_fm_coex(wl); |
| 543 | if (ret < 0) |
| 544 | goto out_free_memmap; |
| 545 | |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 546 | /* Energy detection */ |
| 547 | ret = wl1271_init_energy_detection(wl); |
| 548 | if (ret < 0) |
| 549 | goto out_free_memmap; |
| 550 | |
Gery Kahn | 1ec610e | 2011-02-01 03:03:08 -0600 | [diff] [blame] | 551 | ret = wl1271_acx_sta_mem_cfg(wl); |
| 552 | if (ret < 0) |
| 553 | goto out_free_memmap; |
| 554 | |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 555 | /* Default fragmentation threshold */ |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 556 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 557 | if (ret < 0) |
| 558 | goto out_free_memmap; |
| 559 | |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 560 | /* Default TID/AC configuration */ |
| 561 | BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 562 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 563 | conf_ac = &wl->conf.tx.ac_conf[i]; |
| 564 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, |
| 565 | conf_ac->cw_max, conf_ac->aifsn, |
| 566 | conf_ac->tx_op_limit); |
| 567 | if (ret < 0) |
| 568 | goto out_free_memmap; |
| 569 | |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 570 | conf_tid = &wl->conf.tx.tid_conf[i]; |
| 571 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, |
| 572 | conf_tid->channel_type, |
| 573 | conf_tid->tsid, |
| 574 | conf_tid->ps_scheme, |
| 575 | conf_tid->ack_policy, |
| 576 | conf_tid->apsd_conf[0], |
| 577 | conf_tid->apsd_conf[1]); |
| 578 | if (ret < 0) |
| 579 | goto out_free_memmap; |
| 580 | } |
| 581 | |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 582 | /* Enable data path */ |
Luciano Coelho | 9421089 | 2009-12-11 15:40:55 +0200 | [diff] [blame] | 583 | ret = wl1271_cmd_data_path(wl, 1); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 584 | if (ret < 0) |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 585 | goto out_free_memmap; |
| 586 | |
| 587 | /* Configure for CAM power saving (ie. always active) */ |
| 588 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); |
| 589 | if (ret < 0) |
| 590 | goto out_free_memmap; |
| 591 | |
| 592 | /* configure PM */ |
| 593 | ret = wl1271_acx_pm_config(wl); |
| 594 | if (ret < 0) |
| 595 | goto out_free_memmap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 596 | |
| 597 | return 0; |
Luciano Coelho | 12419cc | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 598 | |
| 599 | out_free_memmap: |
| 600 | kfree(wl->target_mem_map); |
| 601 | wl->target_mem_map = NULL; |
| 602 | |
| 603 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 604 | } |
| 605 | |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 606 | static void wl1271_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_blks) |
| 607 | { |
| 608 | bool fw_ps; |
| 609 | |
| 610 | /* only regulate station links */ |
| 611 | if (hlid < WL1271_AP_STA_HLID_START) |
| 612 | return; |
| 613 | |
| 614 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
| 615 | |
| 616 | /* |
| 617 | * Wake up from high level PS if the STA is asleep with too little |
| 618 | * blocks in FW or if the STA is awake. |
| 619 | */ |
| 620 | if (!fw_ps || tx_blks < WL1271_PS_STA_MAX_BLOCKS) |
| 621 | wl1271_ps_link_end(wl, hlid); |
| 622 | |
| 623 | /* Start high-level PS if the STA is asleep with enough blocks in FW */ |
| 624 | else if (fw_ps && tx_blks >= WL1271_PS_STA_MAX_BLOCKS) |
| 625 | wl1271_ps_link_start(wl, hlid, true); |
| 626 | } |
| 627 | |
| 628 | static void wl1271_irq_update_links_status(struct wl1271 *wl, |
| 629 | struct wl1271_fw_ap_status *status) |
| 630 | { |
| 631 | u32 cur_fw_ps_map; |
| 632 | u8 hlid; |
| 633 | |
| 634 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); |
| 635 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
| 636 | wl1271_debug(DEBUG_PSM, |
| 637 | "link ps prev 0x%x cur 0x%x changed 0x%x", |
| 638 | wl->ap_fw_ps_map, cur_fw_ps_map, |
| 639 | wl->ap_fw_ps_map ^ cur_fw_ps_map); |
| 640 | |
| 641 | wl->ap_fw_ps_map = cur_fw_ps_map; |
| 642 | } |
| 643 | |
| 644 | for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) { |
| 645 | u8 cnt = status->tx_lnk_free_blks[hlid] - |
| 646 | wl->links[hlid].prev_freed_blks; |
| 647 | |
| 648 | wl->links[hlid].prev_freed_blks = |
| 649 | status->tx_lnk_free_blks[hlid]; |
| 650 | wl->links[hlid].allocated_blks -= cnt; |
| 651 | |
| 652 | wl1271_irq_ps_regulate_link(wl, hlid, |
| 653 | wl->links[hlid].allocated_blks); |
| 654 | } |
| 655 | } |
| 656 | |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 657 | static void wl1271_fw_status(struct wl1271 *wl, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 658 | struct wl1271_fw_full_status *full_status) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 659 | { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 660 | struct wl1271_fw_common_status *status = &full_status->common; |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 661 | struct timespec ts; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 662 | u32 old_tx_blk_count = wl->tx_blocks_available; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 663 | u32 freed_blocks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 664 | int i; |
| 665 | |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 666 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 667 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
| 668 | sizeof(struct wl1271_fw_ap_status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 669 | } else { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 670 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
| 671 | sizeof(struct wl1271_fw_sta_status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 672 | } |
| 673 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 674 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
| 675 | "drv_rx_counter = %d, tx_results_counter = %d)", |
| 676 | status->intr, |
| 677 | status->fw_rx_counter, |
| 678 | status->drv_rx_counter, |
| 679 | status->tx_results_counter); |
| 680 | |
| 681 | /* update number of available TX blocks */ |
| 682 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 683 | freed_blocks += le32_to_cpu(status->tx_released_blks[i]) - |
| 684 | wl->tx_blocks_freed[i]; |
Luciano Coelho | d0f63b2 | 2009-10-15 10:33:29 +0300 | [diff] [blame] | 685 | |
| 686 | wl->tx_blocks_freed[i] = |
| 687 | le32_to_cpu(status->tx_released_blks[i]); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 688 | } |
| 689 | |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 690 | wl->tx_allocated_blocks -= freed_blocks; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 691 | |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 692 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
| 693 | /* Update num of allocated TX blocks per link and ps status */ |
| 694 | wl1271_irq_update_links_status(wl, &full_status->ap); |
| 695 | wl->tx_blocks_available += freed_blocks; |
| 696 | } else { |
| 697 | int avail = full_status->sta.tx_total - wl->tx_allocated_blocks; |
| 698 | |
| 699 | /* |
| 700 | * The FW might change the total number of TX memblocks before |
| 701 | * we get a notification about blocks being released. Thus, the |
| 702 | * available blocks calculation might yield a temporary result |
| 703 | * which is lower than the actual available blocks. Keeping in |
| 704 | * mind that only blocks that were allocated can be moved from |
| 705 | * TX to RX, tx_blocks_available should never decrease here. |
| 706 | */ |
| 707 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, |
| 708 | avail); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 709 | } |
| 710 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 711 | /* if more blocks are available now, tx work can be scheduled */ |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 712 | if (wl->tx_blocks_available > old_tx_blk_count) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 713 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 714 | |
| 715 | /* update the host-chipset time offset */ |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 716 | getnstimeofday(&ts); |
| 717 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - |
| 718 | (s64)le32_to_cpu(status->fw_localtime); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 719 | } |
| 720 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 721 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
| 722 | { |
| 723 | struct sk_buff *skb; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 724 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 725 | /* Pass all received frames to the network stack */ |
| 726 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) |
| 727 | ieee80211_rx_ni(wl->hw, skb); |
| 728 | |
| 729 | /* Return sent skbs to the network stack */ |
| 730 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) |
| 731 | ieee80211_tx_status(wl->hw, skb); |
| 732 | } |
| 733 | |
| 734 | static void wl1271_netstack_work(struct work_struct *work) |
| 735 | { |
| 736 | struct wl1271 *wl = |
| 737 | container_of(work, struct wl1271, netstack_work); |
| 738 | |
| 739 | do { |
| 740 | wl1271_flush_deferred_work(wl); |
| 741 | } while (skb_queue_len(&wl->deferred_rx_queue)); |
| 742 | } |
| 743 | |
| 744 | #define WL1271_IRQ_MAX_LOOPS 256 |
| 745 | |
| 746 | irqreturn_t wl1271_irq(int irq, void *cookie) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 747 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 748 | int ret; |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 749 | u32 intr; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 750 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 751 | struct wl1271 *wl = (struct wl1271 *)cookie; |
| 752 | bool done = false; |
| 753 | unsigned int defer_count; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 754 | unsigned long flags; |
| 755 | |
| 756 | /* TX might be handled here, avoid redundant work */ |
| 757 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 758 | cancel_work_sync(&wl->tx_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 759 | |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 760 | /* |
| 761 | * In case edge triggered interrupt must be used, we cannot iterate |
| 762 | * more than once without introducing race conditions with the hardirq. |
| 763 | */ |
| 764 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) |
| 765 | loopcount = 1; |
| 766 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 767 | mutex_lock(&wl->mutex); |
| 768 | |
| 769 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
| 770 | |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 771 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 772 | goto out; |
| 773 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 774 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 775 | if (ret < 0) |
| 776 | goto out; |
| 777 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 778 | while (!done && loopcount--) { |
| 779 | /* |
| 780 | * In order to avoid a race with the hardirq, clear the flag |
| 781 | * before acknowledging the chip. Since the mutex is held, |
| 782 | * wl1271_ps_elp_wakeup cannot be called concurrently. |
| 783 | */ |
| 784 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
| 785 | smp_mb__after_clear_bit(); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 786 | |
| 787 | wl1271_fw_status(wl, wl->fw_status); |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 788 | intr = le32_to_cpu(wl->fw_status->common.intr); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 789 | intr &= WL1271_INTR_MASK; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 790 | if (!intr) { |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 791 | done = true; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 792 | continue; |
| 793 | } |
| 794 | |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 795 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
| 796 | wl1271_error("watchdog interrupt received! " |
| 797 | "starting recovery."); |
| 798 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 799 | |
| 800 | /* restarting the chip. ignore any other interrupt. */ |
| 801 | goto out; |
| 802 | } |
| 803 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 804 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 805 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
| 806 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 807 | wl1271_rx(wl, &wl->fw_status->common); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 808 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 809 | /* Check if any tx blocks were freed */ |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 810 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 811 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 812 | wl->tx_queue_count) { |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 813 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 814 | /* |
| 815 | * In order to avoid starvation of the TX path, |
| 816 | * call the work function directly. |
| 817 | */ |
| 818 | wl1271_tx_work_locked(wl); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 819 | } else { |
| 820 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 821 | } |
| 822 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 823 | /* check for tx results */ |
| 824 | if (wl->fw_status->common.tx_results_counter != |
| 825 | (wl->tx_results_count & 0xff)) |
| 826 | wl1271_tx_complete(wl); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 827 | |
| 828 | /* Make sure the deferred queues don't get too long */ |
| 829 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + |
| 830 | skb_queue_len(&wl->deferred_rx_queue); |
| 831 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) |
| 832 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
| 836 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
| 837 | wl1271_event_handle(wl, 0); |
| 838 | } |
| 839 | |
| 840 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
| 841 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); |
| 842 | wl1271_event_handle(wl, 1); |
| 843 | } |
| 844 | |
| 845 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
| 846 | wl1271_debug(DEBUG_IRQ, |
| 847 | "WL1271_ACX_INTR_INIT_COMPLETE"); |
| 848 | |
| 849 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
| 850 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 851 | } |
| 852 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 853 | wl1271_ps_elp_sleep(wl); |
| 854 | |
| 855 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 856 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 857 | /* In case TX was not handled here, queue TX work */ |
| 858 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 859 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 860 | wl->tx_queue_count) |
| 861 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 862 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 863 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 864 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 865 | |
| 866 | return IRQ_HANDLED; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 867 | } |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 868 | EXPORT_SYMBOL_GPL(wl1271_irq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 869 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 870 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
| 871 | { |
| 872 | const struct firmware *fw; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 873 | const char *fw_name; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 874 | int ret; |
| 875 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 876 | switch (wl->bss_type) { |
| 877 | case BSS_TYPE_AP_BSS: |
Arik Nemtsov | 1aed55f | 2011-03-06 16:32:18 +0200 | [diff] [blame] | 878 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 879 | fw_name = WL128X_AP_FW_NAME; |
| 880 | else |
| 881 | fw_name = WL127X_AP_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 882 | break; |
| 883 | case BSS_TYPE_IBSS: |
| 884 | case BSS_TYPE_STA_BSS: |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 885 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 886 | fw_name = WL128X_FW_NAME; |
| 887 | else |
| 888 | fw_name = WL1271_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 889 | break; |
| 890 | default: |
| 891 | wl1271_error("no compatible firmware for bss_type %d", |
| 892 | wl->bss_type); |
| 893 | return -EINVAL; |
| 894 | } |
| 895 | |
| 896 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); |
| 897 | |
| 898 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 899 | |
| 900 | if (ret < 0) { |
| 901 | wl1271_error("could not get firmware: %d", ret); |
| 902 | return ret; |
| 903 | } |
| 904 | |
| 905 | if (fw->size % 4) { |
| 906 | wl1271_error("firmware size is not multiple of 32 bits: %zu", |
| 907 | fw->size); |
| 908 | ret = -EILSEQ; |
| 909 | goto out; |
| 910 | } |
| 911 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 912 | vfree(wl->fw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 913 | wl->fw_len = fw->size; |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 914 | wl->fw = vmalloc(wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 915 | |
| 916 | if (!wl->fw) { |
| 917 | wl1271_error("could not allocate memory for the firmware"); |
| 918 | ret = -ENOMEM; |
| 919 | goto out; |
| 920 | } |
| 921 | |
| 922 | memcpy(wl->fw, fw->data, wl->fw_len); |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 923 | wl->fw_bss_type = wl->bss_type; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 924 | ret = 0; |
| 925 | |
| 926 | out: |
| 927 | release_firmware(fw); |
| 928 | |
| 929 | return ret; |
| 930 | } |
| 931 | |
| 932 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
| 933 | { |
| 934 | const struct firmware *fw; |
| 935 | int ret; |
| 936 | |
Shahar Levi | 5aa4234 | 2011-03-06 16:32:07 +0200 | [diff] [blame] | 937 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 938 | |
| 939 | if (ret < 0) { |
| 940 | wl1271_error("could not get nvs file: %d", ret); |
| 941 | return ret; |
| 942 | } |
| 943 | |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 944 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 945 | |
| 946 | if (!wl->nvs) { |
| 947 | wl1271_error("could not allocate memory for the nvs file"); |
| 948 | ret = -ENOMEM; |
| 949 | goto out; |
| 950 | } |
| 951 | |
Juuso Oikarinen | 02fabb0 | 2010-08-19 04:41:15 +0200 | [diff] [blame] | 952 | wl->nvs_len = fw->size; |
| 953 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 954 | out: |
| 955 | release_firmware(fw); |
| 956 | |
| 957 | return ret; |
| 958 | } |
| 959 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 960 | static void wl1271_recovery_work(struct work_struct *work) |
| 961 | { |
| 962 | struct wl1271 *wl = |
| 963 | container_of(work, struct wl1271, recovery_work); |
| 964 | |
| 965 | mutex_lock(&wl->mutex); |
| 966 | |
| 967 | if (wl->state != WL1271_STATE_ON) |
| 968 | goto out; |
| 969 | |
Arik Nemtsov | 52dcaf5 | 2011-04-18 14:15:24 +0300 | [diff] [blame] | 970 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
| 971 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 972 | |
Juuso Oikarinen | d25611d | 2010-09-30 10:43:27 +0200 | [diff] [blame] | 973 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 974 | ieee80211_connection_loss(wl->vif); |
| 975 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 976 | /* Prevent spurious TX during FW restart */ |
| 977 | ieee80211_stop_queues(wl->hw); |
| 978 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 979 | /* reboot the chipset */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 980 | __wl1271_op_remove_interface(wl, false); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 981 | ieee80211_restart_hw(wl->hw); |
| 982 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 983 | /* |
| 984 | * Its safe to enable TX now - the queues are stopped after a request |
| 985 | * to restart the HW. |
| 986 | */ |
| 987 | ieee80211_wake_queues(wl->hw); |
| 988 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 989 | out: |
| 990 | mutex_unlock(&wl->mutex); |
| 991 | } |
| 992 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 993 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
| 994 | { |
| 995 | u32 elp_reg; |
| 996 | |
| 997 | elp_reg = ELPCTRL_WAKE_UP; |
Juuso Oikarinen | 7462141 | 2009-10-12 15:08:54 +0300 | [diff] [blame] | 998 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | static int wl1271_setup(struct wl1271 *wl) |
| 1002 | { |
| 1003 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
| 1004 | if (!wl->fw_status) |
| 1005 | return -ENOMEM; |
| 1006 | |
| 1007 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
| 1008 | if (!wl->tx_res_if) { |
| 1009 | kfree(wl->fw_status); |
| 1010 | return -ENOMEM; |
| 1011 | } |
| 1012 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1013 | return 0; |
| 1014 | } |
| 1015 | |
| 1016 | static int wl1271_chip_wakeup(struct wl1271 *wl) |
| 1017 | { |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1018 | struct wl1271_partition_set partition; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1019 | int ret = 0; |
| 1020 | |
Juuso Oikarinen | 01ac17e | 2009-12-11 15:41:02 +0200 | [diff] [blame] | 1021 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
Ohad Ben-Cohen | 2cc78ff | 2010-09-16 01:22:04 +0200 | [diff] [blame] | 1022 | ret = wl1271_power_on(wl); |
| 1023 | if (ret < 0) |
| 1024 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1025 | msleep(WL1271_POWER_ON_SLEEP); |
Teemu Paasikivi | 9b28072 | 2010-02-18 13:25:56 +0200 | [diff] [blame] | 1026 | wl1271_io_reset(wl); |
| 1027 | wl1271_io_init(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1028 | |
| 1029 | /* We don't need a real memory partition here, because we only want |
| 1030 | * to use the registers at this point. */ |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1031 | memset(&partition, 0, sizeof(partition)); |
| 1032 | partition.reg.start = REGISTERS_BASE; |
| 1033 | partition.reg.size = REGISTERS_DOWN_SIZE; |
| 1034 | wl1271_set_partition(wl, &partition); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1035 | |
| 1036 | /* ELP module wake up */ |
| 1037 | wl1271_fw_wakeup(wl); |
| 1038 | |
| 1039 | /* whal_FwCtrl_BootSm() */ |
| 1040 | |
| 1041 | /* 0. read chip id from CHIP_ID */ |
Teemu Paasikivi | 7b048c5 | 2010-02-18 13:25:55 +0200 | [diff] [blame] | 1042 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1043 | |
| 1044 | /* 1. check if chip id is valid */ |
| 1045 | |
| 1046 | switch (wl->chip.id) { |
| 1047 | case CHIP_ID_1271_PG10: |
| 1048 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", |
| 1049 | wl->chip.id); |
| 1050 | |
| 1051 | ret = wl1271_setup(wl); |
| 1052 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1053 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1054 | break; |
| 1055 | case CHIP_ID_1271_PG20: |
| 1056 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", |
| 1057 | wl->chip.id); |
| 1058 | |
Shahar Levi | 564f595 | 2011-04-04 10:20:39 +0300 | [diff] [blame] | 1059 | /* end-of-transaction flag should be set in wl127x AP mode */ |
| 1060 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1061 | wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; |
| 1062 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1063 | ret = wl1271_setup(wl); |
| 1064 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1065 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1066 | break; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1067 | case CHIP_ID_1283_PG20: |
| 1068 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", |
| 1069 | wl->chip.id); |
| 1070 | |
| 1071 | ret = wl1271_setup(wl); |
| 1072 | if (ret < 0) |
| 1073 | goto out; |
Ido Yariv | 0da13da | 2011-03-31 10:06:58 +0200 | [diff] [blame] | 1074 | if (wl1271_set_block_size(wl)) |
| 1075 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1076 | break; |
| 1077 | case CHIP_ID_1283_PG10: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1078 | default: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1079 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1080 | ret = -ENODEV; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1081 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1082 | } |
| 1083 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1084 | /* Make sure the firmware type matches the BSS type */ |
| 1085 | if (wl->fw == NULL || wl->fw_bss_type != wl->bss_type) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1086 | ret = wl1271_fetch_firmware(wl); |
| 1087 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1088 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1089 | } |
| 1090 | |
| 1091 | /* No NVS from netlink, try to get it from the filesystem */ |
| 1092 | if (wl->nvs == NULL) { |
| 1093 | ret = wl1271_fetch_nvs(wl); |
| 1094 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1095 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | out: |
| 1099 | return ret; |
| 1100 | } |
| 1101 | |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1102 | static unsigned int wl1271_get_fw_ver_quirks(struct wl1271 *wl) |
| 1103 | { |
| 1104 | unsigned int quirks = 0; |
| 1105 | unsigned int *fw_ver = wl->chip.fw_ver; |
| 1106 | |
| 1107 | /* Only for wl127x */ |
| 1108 | if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) && |
| 1109 | /* Check STA version */ |
| 1110 | (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && |
| 1111 | (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) || |
| 1112 | /* Check AP version */ |
| 1113 | ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) && |
| 1114 | (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN)))) |
| 1115 | quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS; |
| 1116 | |
| 1117 | return quirks; |
| 1118 | } |
| 1119 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1120 | int wl1271_plt_start(struct wl1271 *wl) |
| 1121 | { |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1122 | int retries = WL1271_BOOT_RETRIES; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1123 | int ret; |
| 1124 | |
| 1125 | mutex_lock(&wl->mutex); |
| 1126 | |
| 1127 | wl1271_notice("power up"); |
| 1128 | |
| 1129 | if (wl->state != WL1271_STATE_OFF) { |
| 1130 | wl1271_error("cannot go into PLT state because not " |
| 1131 | "in off state: %d", wl->state); |
| 1132 | ret = -EBUSY; |
| 1133 | goto out; |
| 1134 | } |
| 1135 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1136 | wl->bss_type = BSS_TYPE_STA_BSS; |
| 1137 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1138 | while (retries) { |
| 1139 | retries--; |
| 1140 | ret = wl1271_chip_wakeup(wl); |
| 1141 | if (ret < 0) |
| 1142 | goto power_off; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1143 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1144 | ret = wl1271_boot(wl); |
| 1145 | if (ret < 0) |
| 1146 | goto power_off; |
| 1147 | |
| 1148 | ret = wl1271_plt_init(wl); |
| 1149 | if (ret < 0) |
| 1150 | goto irq_disable; |
| 1151 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1152 | wl->state = WL1271_STATE_PLT; |
| 1153 | wl1271_notice("firmware booted in PLT mode (%s)", |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1154 | wl->chip.fw_ver_str); |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1155 | |
| 1156 | /* Check if any quirks are needed with older fw versions */ |
| 1157 | wl->quirks |= wl1271_get_fw_ver_quirks(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1158 | goto out; |
| 1159 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1160 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1161 | mutex_unlock(&wl->mutex); |
| 1162 | /* Unlocking the mutex in the middle of handling is |
| 1163 | inherently unsafe. In this case we deem it safe to do, |
| 1164 | because we need to let any possibly pending IRQ out of |
| 1165 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1166 | work function will not do anything.) Also, any other |
| 1167 | possible concurrent operations will fail due to the |
| 1168 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1169 | wl1271_disable_interrupts(wl); |
| 1170 | wl1271_flush_deferred_work(wl); |
| 1171 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1172 | mutex_lock(&wl->mutex); |
| 1173 | power_off: |
| 1174 | wl1271_power_off(wl); |
| 1175 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1176 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1177 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
| 1178 | WL1271_BOOT_RETRIES); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1179 | out: |
| 1180 | mutex_unlock(&wl->mutex); |
| 1181 | |
| 1182 | return ret; |
| 1183 | } |
| 1184 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 1185 | static int __wl1271_plt_stop(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1186 | { |
| 1187 | int ret = 0; |
| 1188 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1189 | wl1271_notice("power down"); |
| 1190 | |
| 1191 | if (wl->state != WL1271_STATE_PLT) { |
| 1192 | wl1271_error("cannot power down because not in PLT " |
| 1193 | "state: %d", wl->state); |
| 1194 | ret = -EBUSY; |
| 1195 | goto out; |
| 1196 | } |
| 1197 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1198 | wl1271_power_off(wl); |
| 1199 | |
| 1200 | wl->state = WL1271_STATE_OFF; |
Luciano Coelho | bd5ea18 | 2009-10-13 12:47:58 +0300 | [diff] [blame] | 1201 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1202 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1203 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1204 | wl1271_disable_interrupts(wl); |
| 1205 | wl1271_flush_deferred_work(wl); |
| 1206 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1207 | cancel_work_sync(&wl->recovery_work); |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1208 | mutex_lock(&wl->mutex); |
| 1209 | out: |
| 1210 | return ret; |
| 1211 | } |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1212 | |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1213 | int wl1271_plt_stop(struct wl1271 *wl) |
| 1214 | { |
| 1215 | int ret; |
| 1216 | |
| 1217 | mutex_lock(&wl->mutex); |
| 1218 | ret = __wl1271_plt_stop(wl); |
| 1219 | mutex_unlock(&wl->mutex); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1220 | return ret; |
| 1221 | } |
| 1222 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 1223 | static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1224 | { |
| 1225 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1226 | unsigned long flags; |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 1227 | int q; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1228 | u8 hlid = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1229 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1230 | q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); |
| 1231 | |
| 1232 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1233 | hlid = wl1271_tx_get_hlid(skb); |
| 1234 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1235 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1236 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 1237 | wl->tx_queue_count++; |
Arik Nemtsov | f4d08dd | 2011-02-23 00:22:24 +0200 | [diff] [blame] | 1238 | |
| 1239 | /* |
| 1240 | * The workqueue is slow to process the tx_queue and we need stop |
| 1241 | * the queue here, otherwise the queue will get too long. |
| 1242 | */ |
| 1243 | if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
| 1244 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); |
| 1245 | ieee80211_stop_queues(wl->hw); |
| 1246 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
| 1247 | } |
| 1248 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1249 | /* queue the packet */ |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1250 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1251 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
| 1252 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
| 1253 | } else { |
| 1254 | skb_queue_tail(&wl->tx_queue[q], skb); |
| 1255 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1256 | |
| 1257 | /* |
| 1258 | * The chip specific setup must run before the first TX packet - |
| 1259 | * before that, the tx_work will not be initialized! |
| 1260 | */ |
| 1261 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1262 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1263 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1264 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1265 | |
| 1266 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1267 | } |
| 1268 | |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1269 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
| 1270 | { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1271 | unsigned long flags; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1272 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1273 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1274 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); |
| 1275 | wl->tx_queue_count++; |
| 1276 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1277 | |
| 1278 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ |
| 1279 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
| 1280 | wl1271_tx_work_locked(wl); |
| 1281 | |
| 1282 | /* |
| 1283 | * If the FW TX is busy, TX work will be scheduled by the threaded |
| 1284 | * interrupt handler function |
| 1285 | */ |
| 1286 | return 0; |
| 1287 | } |
| 1288 | |
| 1289 | /* |
| 1290 | * The size of the dummy packet should be at least 1400 bytes. However, in |
| 1291 | * order to minimize the number of bus transactions, aligning it to 512 bytes |
| 1292 | * boundaries could be beneficial, performance wise |
| 1293 | */ |
| 1294 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) |
| 1295 | |
Luciano Coelho | cf27d86 | 2011-04-01 21:08:23 +0300 | [diff] [blame] | 1296 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1297 | { |
| 1298 | struct sk_buff *skb; |
| 1299 | struct ieee80211_hdr_3addr *hdr; |
| 1300 | unsigned int dummy_packet_size; |
| 1301 | |
| 1302 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - |
| 1303 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); |
| 1304 | |
| 1305 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1306 | if (!skb) { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1307 | wl1271_warning("Failed to allocate a dummy packet skb"); |
| 1308 | return NULL; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1309 | } |
| 1310 | |
| 1311 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); |
| 1312 | |
| 1313 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); |
| 1314 | memset(hdr, 0, sizeof(*hdr)); |
| 1315 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1316 | IEEE80211_STYPE_NULLFUNC | |
| 1317 | IEEE80211_FCTL_TODS); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1318 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1319 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1320 | |
Luciano Coelho | 18b92ff | 2011-03-21 16:35:21 +0200 | [diff] [blame] | 1321 | /* Dummy packets require the TID to be management */ |
| 1322 | skb->priority = WL1271_TID_MGMT; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1323 | |
| 1324 | /* Initialize all fields that might be used */ |
Hauke Mehrtens | 86c438f | 2011-04-26 23:27:44 +0200 | [diff] [blame] | 1325 | skb_set_queue_mapping(skb, 0); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1326 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1327 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1328 | return skb; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1329 | } |
| 1330 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1331 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 1332 | static struct notifier_block wl1271_dev_notifier = { |
| 1333 | .notifier_call = wl1271_dev_notify, |
| 1334 | }; |
| 1335 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1336 | static int wl1271_op_start(struct ieee80211_hw *hw) |
| 1337 | { |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1338 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); |
| 1339 | |
| 1340 | /* |
| 1341 | * We have to delay the booting of the hardware because |
| 1342 | * we need to know the local MAC address before downloading and |
| 1343 | * initializing the firmware. The MAC address cannot be changed |
| 1344 | * after boot, and without the proper MAC address, the firmware |
| 1345 | * will not function properly. |
| 1346 | * |
| 1347 | * The MAC address is first known when the corresponding interface |
| 1348 | * is added. That is where we will initialize the hardware. |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1349 | * |
| 1350 | * In addition, we currently have different firmwares for AP and managed |
| 1351 | * operation. We will know which to boot according to interface type. |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1352 | */ |
| 1353 | |
| 1354 | return 0; |
| 1355 | } |
| 1356 | |
| 1357 | static void wl1271_op_stop(struct ieee80211_hw *hw) |
| 1358 | { |
| 1359 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
| 1360 | } |
| 1361 | |
| 1362 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
| 1363 | struct ieee80211_vif *vif) |
| 1364 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1365 | struct wl1271 *wl = hw->priv; |
John W. Linville | ac01e94 | 2010-07-28 17:09:41 -0400 | [diff] [blame] | 1366 | struct wiphy *wiphy = hw->wiphy; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1367 | int retries = WL1271_BOOT_RETRIES; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1368 | int ret = 0; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1369 | bool booted = false; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1370 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1371 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
| 1372 | vif->type, vif->addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1373 | |
| 1374 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1375 | if (wl->vif) { |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1376 | wl1271_debug(DEBUG_MAC80211, |
| 1377 | "multiple vifs are not supported yet"); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1378 | ret = -EBUSY; |
| 1379 | goto out; |
| 1380 | } |
| 1381 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1382 | /* |
| 1383 | * in some very corner case HW recovery scenarios its possible to |
| 1384 | * get here before __wl1271_op_remove_interface is complete, so |
| 1385 | * opt out if that is the case. |
| 1386 | */ |
| 1387 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { |
| 1388 | ret = -EBUSY; |
| 1389 | goto out; |
| 1390 | } |
| 1391 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1392 | switch (vif->type) { |
| 1393 | case NL80211_IFTYPE_STATION: |
| 1394 | wl->bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1395 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1396 | break; |
| 1397 | case NL80211_IFTYPE_ADHOC: |
| 1398 | wl->bss_type = BSS_TYPE_IBSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1399 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1400 | break; |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 1401 | case NL80211_IFTYPE_AP: |
| 1402 | wl->bss_type = BSS_TYPE_AP_BSS; |
| 1403 | break; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1404 | default: |
| 1405 | ret = -EOPNOTSUPP; |
| 1406 | goto out; |
| 1407 | } |
| 1408 | |
| 1409 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1410 | |
| 1411 | if (wl->state != WL1271_STATE_OFF) { |
| 1412 | wl1271_error("cannot start because not in off state: %d", |
| 1413 | wl->state); |
| 1414 | ret = -EBUSY; |
| 1415 | goto out; |
| 1416 | } |
| 1417 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1418 | while (retries) { |
| 1419 | retries--; |
| 1420 | ret = wl1271_chip_wakeup(wl); |
| 1421 | if (ret < 0) |
| 1422 | goto power_off; |
| 1423 | |
| 1424 | ret = wl1271_boot(wl); |
| 1425 | if (ret < 0) |
| 1426 | goto power_off; |
| 1427 | |
| 1428 | ret = wl1271_hw_init(wl); |
| 1429 | if (ret < 0) |
| 1430 | goto irq_disable; |
| 1431 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1432 | booted = true; |
| 1433 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1434 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1435 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1436 | mutex_unlock(&wl->mutex); |
| 1437 | /* Unlocking the mutex in the middle of handling is |
| 1438 | inherently unsafe. In this case we deem it safe to do, |
| 1439 | because we need to let any possibly pending IRQ out of |
| 1440 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1441 | work function will not do anything.) Also, any other |
| 1442 | possible concurrent operations will fail due to the |
| 1443 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1444 | wl1271_disable_interrupts(wl); |
| 1445 | wl1271_flush_deferred_work(wl); |
| 1446 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1447 | mutex_lock(&wl->mutex); |
| 1448 | power_off: |
| 1449 | wl1271_power_off(wl); |
| 1450 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1451 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1452 | if (!booted) { |
| 1453 | wl1271_error("firmware boot failed despite %d retries", |
| 1454 | WL1271_BOOT_RETRIES); |
| 1455 | goto out; |
| 1456 | } |
| 1457 | |
| 1458 | wl->vif = vif; |
| 1459 | wl->state = WL1271_STATE_ON; |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1460 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1461 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1462 | |
| 1463 | /* update hw/fw version info in wiphy struct */ |
| 1464 | wiphy->hw_version = wl->chip.id; |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1465 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1466 | sizeof(wiphy->fw_version)); |
| 1467 | |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1468 | /* Check if any quirks are needed with older fw versions */ |
| 1469 | wl->quirks |= wl1271_get_fw_ver_quirks(wl); |
| 1470 | |
Luciano Coelho | fb6a681 | 2010-12-03 17:05:40 +0200 | [diff] [blame] | 1471 | /* |
| 1472 | * Now we know if 11a is supported (info from the NVS), so disable |
| 1473 | * 11a channels if not supported |
| 1474 | */ |
| 1475 | if (!wl->enable_11a) |
| 1476 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; |
| 1477 | |
| 1478 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", |
| 1479 | wl->enable_11a ? "" : "not "); |
| 1480 | |
Juuso Oikarinen | eb5b28d | 2009-10-13 12:47:45 +0300 | [diff] [blame] | 1481 | out: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1482 | mutex_unlock(&wl->mutex); |
| 1483 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1484 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | eb887df | 2010-07-08 17:49:58 +0300 | [diff] [blame] | 1485 | if (!ret) |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1486 | list_add(&wl->list, &wl_list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1487 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1488 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1489 | return ret; |
| 1490 | } |
| 1491 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 1492 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 1493 | bool reset_tx_queues) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1494 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1495 | int i; |
| 1496 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1497 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1498 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1499 | /* because of hardware recovery, we may get here twice */ |
| 1500 | if (wl->state != WL1271_STATE_ON) |
| 1501 | return; |
| 1502 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1503 | wl1271_info("down"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1504 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1505 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1506 | list_del(&wl->list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1507 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1508 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1509 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
Juuso Oikarinen | 9a547bf | 2010-07-08 17:50:04 +0300 | [diff] [blame] | 1510 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 1511 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1512 | |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1513 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1514 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 1515 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 1516 | wl->scan.req = NULL; |
Juuso Oikarinen | 76a029f | 2010-07-29 04:54:45 +0300 | [diff] [blame] | 1517 | ieee80211_scan_completed(wl->hw, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1518 | } |
| 1519 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1520 | /* |
| 1521 | * this must be before the cancel_work calls below, so that the work |
| 1522 | * functions don't perform further work. |
| 1523 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1524 | wl->state = WL1271_STATE_OFF; |
| 1525 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1526 | mutex_unlock(&wl->mutex); |
| 1527 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1528 | wl1271_disable_interrupts(wl); |
| 1529 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 78abd32 | 2010-09-21 06:23:32 +0200 | [diff] [blame] | 1530 | cancel_delayed_work_sync(&wl->scan_complete_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1531 | cancel_work_sync(&wl->netstack_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1532 | cancel_work_sync(&wl->tx_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 1533 | cancel_delayed_work_sync(&wl->pspoll_work); |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1534 | cancel_delayed_work_sync(&wl->elp_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1535 | |
| 1536 | mutex_lock(&wl->mutex); |
| 1537 | |
| 1538 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 1539 | wl1271_tx_reset(wl, reset_tx_queues); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1540 | wl1271_power_off(wl); |
| 1541 | |
| 1542 | memset(wl->bssid, 0, ETH_ALEN); |
| 1543 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); |
| 1544 | wl->ssid_len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1545 | wl->bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1546 | wl->set_bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 1547 | wl->band = IEEE80211_BAND_2GHZ; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1548 | |
| 1549 | wl->rx_counter = 0; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 1550 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1551 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
| 1552 | wl->tx_blocks_available = 0; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 1553 | wl->tx_allocated_blocks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1554 | wl->tx_results_count = 0; |
| 1555 | wl->tx_packets_count = 0; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 1556 | wl->tx_security_last_seq = 0; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 1557 | wl->tx_security_seq = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1558 | wl->time_offset = 0; |
| 1559 | wl->session_counter = 0; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1560 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1561 | wl->vif = NULL; |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1562 | wl->filters = 0; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 1563 | wl1271_free_ap_keys(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 1564 | memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 1565 | wl->ap_fw_ps_map = 0; |
| 1566 | wl->ap_ps_map = 0; |
Luciano Coelho | d6e19d1 | 2009-10-12 15:08:43 +0300 | [diff] [blame] | 1567 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1568 | /* |
| 1569 | * this is performed after the cancel_work calls and the associated |
| 1570 | * mutex_lock, so that wl1271_op_add_interface does not accidentally |
| 1571 | * get executed before all these vars have been reset. |
| 1572 | */ |
| 1573 | wl->flags = 0; |
| 1574 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1575 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 1576 | wl->tx_blocks_freed[i] = 0; |
| 1577 | |
| 1578 | wl1271_debugfs_reset(wl); |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 1579 | |
| 1580 | kfree(wl->fw_status); |
| 1581 | wl->fw_status = NULL; |
| 1582 | kfree(wl->tx_res_if); |
| 1583 | wl->tx_res_if = NULL; |
| 1584 | kfree(wl->target_mem_map); |
| 1585 | wl->target_mem_map = NULL; |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 1586 | } |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 1587 | |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 1588 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
| 1589 | struct ieee80211_vif *vif) |
| 1590 | { |
| 1591 | struct wl1271 *wl = hw->priv; |
| 1592 | |
| 1593 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1594 | /* |
| 1595 | * wl->vif can be null here if someone shuts down the interface |
| 1596 | * just when hardware recovery has been started. |
| 1597 | */ |
| 1598 | if (wl->vif) { |
| 1599 | WARN_ON(wl->vif != vif); |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame^] | 1600 | __wl1271_op_remove_interface(wl, true); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1601 | } |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1602 | |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1603 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1604 | cancel_work_sync(&wl->recovery_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1605 | } |
| 1606 | |
Ohad Ben-Cohen | c574518 | 2011-03-30 16:35:59 +0200 | [diff] [blame] | 1607 | void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1608 | { |
Arik Nemtsov | ae113b5 | 2010-10-16 18:45:07 +0200 | [diff] [blame] | 1609 | wl1271_set_default_filters(wl); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1610 | |
| 1611 | /* combine requested filters with current filter config */ |
| 1612 | filters = wl->filters | filters; |
| 1613 | |
| 1614 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); |
| 1615 | |
| 1616 | if (filters & FIF_PROMISC_IN_BSS) { |
| 1617 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); |
| 1618 | wl->rx_config &= ~CFG_UNI_FILTER_EN; |
| 1619 | wl->rx_config |= CFG_BSSID_FILTER_EN; |
| 1620 | } |
| 1621 | if (filters & FIF_BCN_PRBRESP_PROMISC) { |
| 1622 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); |
| 1623 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 1624 | wl->rx_config &= ~CFG_SSID_FILTER_EN; |
| 1625 | } |
| 1626 | if (filters & FIF_OTHER_BSS) { |
| 1627 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); |
| 1628 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 1629 | } |
| 1630 | if (filters & FIF_CONTROL) { |
| 1631 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); |
| 1632 | wl->rx_filter |= CFG_RX_CTL_EN; |
| 1633 | } |
| 1634 | if (filters & FIF_FCSFAIL) { |
| 1635 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); |
| 1636 | wl->rx_filter |= CFG_RX_FCS_ERROR; |
| 1637 | } |
| 1638 | } |
| 1639 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 1640 | static int wl1271_dummy_join(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1641 | { |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 1642 | int ret = 0; |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1643 | /* we need to use a dummy BSSID for now */ |
| 1644 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, |
| 1645 | 0xad, 0xbe, 0xef }; |
| 1646 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1647 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
| 1648 | |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1649 | /* pass through frames from all BSS */ |
| 1650 | wl1271_configure_filters(wl, FIF_OTHER_BSS); |
| 1651 | |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1652 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1653 | if (ret < 0) |
| 1654 | goto out; |
| 1655 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1656 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1657 | |
| 1658 | out: |
| 1659 | return ret; |
| 1660 | } |
| 1661 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1662 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 1663 | { |
| 1664 | int ret; |
| 1665 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1666 | /* |
| 1667 | * One of the side effects of the JOIN command is that is clears |
| 1668 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated |
| 1669 | * to a WPA/WPA2 access point will therefore kill the data-path. |
Ohad Ben-Cohen | 8bf69aa | 2011-03-30 19:18:31 +0200 | [diff] [blame] | 1670 | * Currently the only valid scenario for JOIN during association |
| 1671 | * is on roaming, in which case we will also be given new keys. |
| 1672 | * Keep the below message for now, unless it starts bothering |
| 1673 | * users who really like to roam a lot :) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1674 | */ |
| 1675 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1676 | wl1271_info("JOIN while associated."); |
| 1677 | |
| 1678 | if (set_assoc) |
| 1679 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
| 1680 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 1681 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
| 1682 | if (ret < 0) |
| 1683 | goto out; |
| 1684 | |
| 1685 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
| 1686 | |
| 1687 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1688 | goto out; |
| 1689 | |
| 1690 | /* |
| 1691 | * The join command disable the keep-alive mode, shut down its process, |
| 1692 | * and also clear the template config, so we need to reset it all after |
| 1693 | * the join. The acx_aid starts the keep-alive process, and the order |
| 1694 | * of the commands below is relevant. |
| 1695 | */ |
| 1696 | ret = wl1271_acx_keep_alive_mode(wl, true); |
| 1697 | if (ret < 0) |
| 1698 | goto out; |
| 1699 | |
| 1700 | ret = wl1271_acx_aid(wl, wl->aid); |
| 1701 | if (ret < 0) |
| 1702 | goto out; |
| 1703 | |
| 1704 | ret = wl1271_cmd_build_klv_null_data(wl); |
| 1705 | if (ret < 0) |
| 1706 | goto out; |
| 1707 | |
| 1708 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 1709 | ACX_KEEP_ALIVE_TPL_VALID); |
| 1710 | if (ret < 0) |
| 1711 | goto out; |
| 1712 | |
| 1713 | out: |
| 1714 | return ret; |
| 1715 | } |
| 1716 | |
| 1717 | static int wl1271_unjoin(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1718 | { |
| 1719 | int ret; |
| 1720 | |
| 1721 | /* to stop listening to a channel, we disconnect */ |
| 1722 | ret = wl1271_cmd_disconnect(wl); |
| 1723 | if (ret < 0) |
| 1724 | goto out; |
| 1725 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1726 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1727 | memset(wl->bssid, 0, ETH_ALEN); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1728 | |
Ohad Ben-Cohen | c574518 | 2011-03-30 16:35:59 +0200 | [diff] [blame] | 1729 | /* stop filtering packets based on bssid */ |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1730 | wl1271_configure_filters(wl, FIF_OTHER_BSS); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1731 | |
| 1732 | out: |
| 1733 | return ret; |
| 1734 | } |
| 1735 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1736 | static void wl1271_set_band_rate(struct wl1271 *wl) |
| 1737 | { |
| 1738 | if (wl->band == IEEE80211_BAND_2GHZ) |
| 1739 | wl->basic_rate_set = wl->conf.tx.basic_rate; |
| 1740 | else |
| 1741 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; |
| 1742 | } |
| 1743 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1744 | static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle) |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 1745 | { |
| 1746 | int ret; |
| 1747 | |
| 1748 | if (idle) { |
| 1749 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 1750 | ret = wl1271_unjoin(wl); |
| 1751 | if (ret < 0) |
| 1752 | goto out; |
| 1753 | } |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 1754 | wl->rate_set = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 1755 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 1756 | if (ret < 0) |
| 1757 | goto out; |
| 1758 | ret = wl1271_acx_keep_alive_config( |
| 1759 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 1760 | ACX_KEEP_ALIVE_TPL_INVALID); |
| 1761 | if (ret < 0) |
| 1762 | goto out; |
| 1763 | set_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 1764 | } else { |
| 1765 | /* increment the session counter */ |
| 1766 | wl->session_counter++; |
| 1767 | if (wl->session_counter >= SESSION_COUNTER_MAX) |
| 1768 | wl->session_counter = 0; |
| 1769 | ret = wl1271_dummy_join(wl); |
| 1770 | if (ret < 0) |
| 1771 | goto out; |
| 1772 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 1773 | } |
| 1774 | |
| 1775 | out: |
| 1776 | return ret; |
| 1777 | } |
| 1778 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1779 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
| 1780 | { |
| 1781 | struct wl1271 *wl = hw->priv; |
| 1782 | struct ieee80211_conf *conf = &hw->conf; |
| 1783 | int channel, ret = 0; |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1784 | bool is_ap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1785 | |
| 1786 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 1787 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1788 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
| 1789 | " changed 0x%x", |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1790 | channel, |
| 1791 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1792 | conf->power_level, |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1793 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
| 1794 | changed); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1795 | |
Juuso Oikarinen | 781608c | 2010-05-24 11:18:17 +0300 | [diff] [blame] | 1796 | /* |
| 1797 | * mac80211 will go to idle nearly immediately after transmitting some |
| 1798 | * frames, such as the deauth. To make sure those frames reach the air, |
| 1799 | * wait here until the TX queue is fully flushed. |
| 1800 | */ |
| 1801 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| 1802 | (conf->flags & IEEE80211_CONF_IDLE)) |
| 1803 | wl1271_tx_flush(wl); |
| 1804 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1805 | mutex_lock(&wl->mutex); |
| 1806 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 1807 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
Arik Nemtsov | 17e672d | 2011-03-22 10:07:47 +0200 | [diff] [blame] | 1808 | /* we support configuring the channel and band while off */ |
| 1809 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { |
| 1810 | wl->band = conf->channel->band; |
| 1811 | wl->channel = channel; |
| 1812 | } |
| 1813 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 1814 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 1815 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 1816 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1817 | is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 1818 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1819 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1820 | if (ret < 0) |
| 1821 | goto out; |
| 1822 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1823 | /* if the channel changes while joined, join again */ |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1824 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
| 1825 | ((wl->band != conf->channel->band) || |
| 1826 | (wl->channel != channel))) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1827 | wl->band = conf->channel->band; |
| 1828 | wl->channel = channel; |
| 1829 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1830 | if (!is_ap) { |
| 1831 | /* |
| 1832 | * FIXME: the mac80211 should really provide a fixed |
| 1833 | * rate to use here. for now, just use the smallest |
| 1834 | * possible rate for the band as a fixed rate for |
| 1835 | * association frames and other control messages. |
| 1836 | */ |
| 1837 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1838 | wl1271_set_band_rate(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1839 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1840 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 1841 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1842 | if (ret < 0) |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1843 | wl1271_warning("rate policy for channel " |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1844 | "failed %d", ret); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1845 | |
| 1846 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 1847 | ret = wl1271_join(wl, false); |
| 1848 | if (ret < 0) |
| 1849 | wl1271_warning("cmd join on channel " |
| 1850 | "failed %d", ret); |
| 1851 | } |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 1852 | } |
| 1853 | } |
| 1854 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 1855 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
| 1856 | ret = wl1271_sta_handle_idle(wl, |
| 1857 | conf->flags & IEEE80211_CONF_IDLE); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 1858 | if (ret < 0) |
| 1859 | wl1271_warning("idle mode change failed %d", ret); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1860 | } |
| 1861 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 1862 | /* |
| 1863 | * if mac80211 changes the PSM mode, make sure the mode is not |
| 1864 | * incorrectly changed after the pspoll failure active window. |
| 1865 | */ |
| 1866 | if (changed & IEEE80211_CONF_CHANGE_PS) |
| 1867 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); |
| 1868 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1869 | if (conf->flags & IEEE80211_CONF_PS && |
| 1870 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
| 1871 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1872 | |
| 1873 | /* |
| 1874 | * We enter PSM only if we're already associated. |
| 1875 | * If we're not, we'll enter it when joining an SSID, |
| 1876 | * through the bss_info_changed() hook. |
| 1877 | */ |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1878 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 1879 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 1880 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 1881 | wl->basic_rate, true); |
Juuso Oikarinen | af5e084 | 2009-12-11 15:41:00 +0200 | [diff] [blame] | 1882 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1883 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1884 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 1885 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1886 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1887 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1888 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1889 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 1890 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 1891 | wl->basic_rate, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | if (conf->power_level != wl->power_level) { |
| 1895 | ret = wl1271_acx_tx_power(wl, conf->power_level); |
| 1896 | if (ret < 0) |
Juuso Oikarinen | c6317a5 | 2009-11-02 20:22:08 +0200 | [diff] [blame] | 1897 | goto out_sleep; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1898 | |
| 1899 | wl->power_level = conf->power_level; |
| 1900 | } |
| 1901 | |
| 1902 | out_sleep: |
| 1903 | wl1271_ps_elp_sleep(wl); |
| 1904 | |
| 1905 | out: |
| 1906 | mutex_unlock(&wl->mutex); |
| 1907 | |
| 1908 | return ret; |
| 1909 | } |
| 1910 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1911 | struct wl1271_filter_params { |
| 1912 | bool enabled; |
| 1913 | int mc_list_length; |
| 1914 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 1915 | }; |
| 1916 | |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1917 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
| 1918 | struct netdev_hw_addr_list *mc_list) |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1919 | { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1920 | struct wl1271_filter_params *fp; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1921 | struct netdev_hw_addr *ha; |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 1922 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1923 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 1924 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 1925 | return 0; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1926 | |
Juuso Oikarinen | 7444113 | 2009-10-13 12:47:53 +0300 | [diff] [blame] | 1927 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1928 | if (!fp) { |
| 1929 | wl1271_error("Out of memory setting filters."); |
| 1930 | return 0; |
| 1931 | } |
| 1932 | |
| 1933 | /* update multicast filtering parameters */ |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1934 | fp->mc_list_length = 0; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1935 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 1936 | fp->enabled = false; |
| 1937 | } else { |
| 1938 | fp->enabled = true; |
| 1939 | netdev_hw_addr_list_for_each(ha, mc_list) { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1940 | memcpy(fp->mc_list[fp->mc_list_length], |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1941 | ha->addr, ETH_ALEN); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1942 | fp->mc_list_length++; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 1943 | } |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1944 | } |
| 1945 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1946 | return (u64)(unsigned long)fp; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1947 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1948 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1949 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
| 1950 | FIF_ALLMULTI | \ |
| 1951 | FIF_FCSFAIL | \ |
| 1952 | FIF_BCN_PRBRESP_PROMISC | \ |
| 1953 | FIF_CONTROL | \ |
| 1954 | FIF_OTHER_BSS) |
| 1955 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1956 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
| 1957 | unsigned int changed, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 1958 | unsigned int *total, u64 multicast) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1959 | { |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1960 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1961 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1962 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1963 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 1964 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
| 1965 | " total %x", changed, *total); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1966 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1967 | mutex_lock(&wl->mutex); |
| 1968 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 1969 | *total &= WL1271_SUPPORTED_FILTERS; |
| 1970 | changed &= WL1271_SUPPORTED_FILTERS; |
| 1971 | |
| 1972 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1973 | goto out; |
| 1974 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1975 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1976 | if (ret < 0) |
| 1977 | goto out; |
| 1978 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 1979 | if (wl->bss_type != BSS_TYPE_AP_BSS) { |
| 1980 | if (*total & FIF_ALLMULTI) |
| 1981 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); |
| 1982 | else if (fp) |
| 1983 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, |
| 1984 | fp->mc_list, |
| 1985 | fp->mc_list_length); |
| 1986 | if (ret < 0) |
| 1987 | goto out_sleep; |
| 1988 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1989 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1990 | /* determine, whether supported filter values have changed */ |
| 1991 | if (changed == 0) |
| 1992 | goto out_sleep; |
| 1993 | |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1994 | /* configure filters */ |
| 1995 | wl->filters = *total; |
| 1996 | wl1271_configure_filters(wl, 0); |
| 1997 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 1998 | /* apply configured filters */ |
| 1999 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); |
| 2000 | if (ret < 0) |
| 2001 | goto out_sleep; |
| 2002 | |
| 2003 | out_sleep: |
| 2004 | wl1271_ps_elp_sleep(wl); |
| 2005 | |
| 2006 | out: |
| 2007 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2008 | kfree(fp); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2009 | } |
| 2010 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2011 | static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type, |
| 2012 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, |
| 2013 | u16 tx_seq_16) |
| 2014 | { |
| 2015 | struct wl1271_ap_key *ap_key; |
| 2016 | int i; |
| 2017 | |
| 2018 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); |
| 2019 | |
| 2020 | if (key_size > MAX_KEY_SIZE) |
| 2021 | return -EINVAL; |
| 2022 | |
| 2023 | /* |
| 2024 | * Find next free entry in ap_keys. Also check we are not replacing |
| 2025 | * an existing key. |
| 2026 | */ |
| 2027 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2028 | if (wl->recorded_ap_keys[i] == NULL) |
| 2029 | break; |
| 2030 | |
| 2031 | if (wl->recorded_ap_keys[i]->id == id) { |
| 2032 | wl1271_warning("trying to record key replacement"); |
| 2033 | return -EINVAL; |
| 2034 | } |
| 2035 | } |
| 2036 | |
| 2037 | if (i == MAX_NUM_KEYS) |
| 2038 | return -EBUSY; |
| 2039 | |
| 2040 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); |
| 2041 | if (!ap_key) |
| 2042 | return -ENOMEM; |
| 2043 | |
| 2044 | ap_key->id = id; |
| 2045 | ap_key->key_type = key_type; |
| 2046 | ap_key->key_size = key_size; |
| 2047 | memcpy(ap_key->key, key, key_size); |
| 2048 | ap_key->hlid = hlid; |
| 2049 | ap_key->tx_seq_32 = tx_seq_32; |
| 2050 | ap_key->tx_seq_16 = tx_seq_16; |
| 2051 | |
| 2052 | wl->recorded_ap_keys[i] = ap_key; |
| 2053 | return 0; |
| 2054 | } |
| 2055 | |
| 2056 | static void wl1271_free_ap_keys(struct wl1271 *wl) |
| 2057 | { |
| 2058 | int i; |
| 2059 | |
| 2060 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2061 | kfree(wl->recorded_ap_keys[i]); |
| 2062 | wl->recorded_ap_keys[i] = NULL; |
| 2063 | } |
| 2064 | } |
| 2065 | |
| 2066 | static int wl1271_ap_init_hwenc(struct wl1271 *wl) |
| 2067 | { |
| 2068 | int i, ret = 0; |
| 2069 | struct wl1271_ap_key *key; |
| 2070 | bool wep_key_added = false; |
| 2071 | |
| 2072 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2073 | if (wl->recorded_ap_keys[i] == NULL) |
| 2074 | break; |
| 2075 | |
| 2076 | key = wl->recorded_ap_keys[i]; |
| 2077 | ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE, |
| 2078 | key->id, key->key_type, |
| 2079 | key->key_size, key->key, |
| 2080 | key->hlid, key->tx_seq_32, |
| 2081 | key->tx_seq_16); |
| 2082 | if (ret < 0) |
| 2083 | goto out; |
| 2084 | |
| 2085 | if (key->key_type == KEY_WEP) |
| 2086 | wep_key_added = true; |
| 2087 | } |
| 2088 | |
| 2089 | if (wep_key_added) { |
| 2090 | ret = wl1271_cmd_set_ap_default_wep_key(wl, wl->default_key); |
| 2091 | if (ret < 0) |
| 2092 | goto out; |
| 2093 | } |
| 2094 | |
| 2095 | out: |
| 2096 | wl1271_free_ap_keys(wl); |
| 2097 | return ret; |
| 2098 | } |
| 2099 | |
| 2100 | static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, |
| 2101 | u8 key_size, const u8 *key, u32 tx_seq_32, |
| 2102 | u16 tx_seq_16, struct ieee80211_sta *sta) |
| 2103 | { |
| 2104 | int ret; |
| 2105 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2106 | |
| 2107 | if (is_ap) { |
| 2108 | struct wl1271_station *wl_sta; |
| 2109 | u8 hlid; |
| 2110 | |
| 2111 | if (sta) { |
| 2112 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 2113 | hlid = wl_sta->hlid; |
| 2114 | } else { |
| 2115 | hlid = WL1271_AP_BROADCAST_HLID; |
| 2116 | } |
| 2117 | |
| 2118 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2119 | /* |
| 2120 | * We do not support removing keys after AP shutdown. |
| 2121 | * Pretend we do to make mac80211 happy. |
| 2122 | */ |
| 2123 | if (action != KEY_ADD_OR_REPLACE) |
| 2124 | return 0; |
| 2125 | |
| 2126 | ret = wl1271_record_ap_key(wl, id, |
| 2127 | key_type, key_size, |
| 2128 | key, hlid, tx_seq_32, |
| 2129 | tx_seq_16); |
| 2130 | } else { |
| 2131 | ret = wl1271_cmd_set_ap_key(wl, action, |
| 2132 | id, key_type, key_size, |
| 2133 | key, hlid, tx_seq_32, |
| 2134 | tx_seq_16); |
| 2135 | } |
| 2136 | |
| 2137 | if (ret < 0) |
| 2138 | return ret; |
| 2139 | } else { |
| 2140 | const u8 *addr; |
| 2141 | static const u8 bcast_addr[ETH_ALEN] = { |
| 2142 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 2143 | }; |
| 2144 | |
| 2145 | addr = sta ? sta->addr : bcast_addr; |
| 2146 | |
| 2147 | if (is_zero_ether_addr(addr)) { |
| 2148 | /* We dont support TX only encryption */ |
| 2149 | return -EOPNOTSUPP; |
| 2150 | } |
| 2151 | |
| 2152 | /* The wl1271 does not allow to remove unicast keys - they |
| 2153 | will be cleared automatically on next CMD_JOIN. Ignore the |
| 2154 | request silently, as we dont want the mac80211 to emit |
| 2155 | an error message. */ |
| 2156 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) |
| 2157 | return 0; |
| 2158 | |
| 2159 | ret = wl1271_cmd_set_sta_key(wl, action, |
| 2160 | id, key_type, key_size, |
| 2161 | key, addr, tx_seq_32, |
| 2162 | tx_seq_16); |
| 2163 | if (ret < 0) |
| 2164 | return ret; |
| 2165 | |
| 2166 | /* the default WEP key needs to be configured at least once */ |
| 2167 | if (key_type == KEY_WEP) { |
| 2168 | ret = wl1271_cmd_set_sta_default_wep_key(wl, |
| 2169 | wl->default_key); |
| 2170 | if (ret < 0) |
| 2171 | return ret; |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | return 0; |
| 2176 | } |
| 2177 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2178 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2179 | struct ieee80211_vif *vif, |
| 2180 | struct ieee80211_sta *sta, |
| 2181 | struct ieee80211_key_conf *key_conf) |
| 2182 | { |
| 2183 | struct wl1271 *wl = hw->priv; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2184 | int ret; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 2185 | u32 tx_seq_32 = 0; |
| 2186 | u16 tx_seq_16 = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2187 | u8 key_type; |
| 2188 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2189 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
| 2190 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2191 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2192 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2193 | key_conf->cipher, key_conf->keyidx, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2194 | key_conf->keylen, key_conf->flags); |
| 2195 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); |
| 2196 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2197 | mutex_lock(&wl->mutex); |
| 2198 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2199 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2200 | ret = -EAGAIN; |
| 2201 | goto out_unlock; |
| 2202 | } |
| 2203 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2204 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2205 | if (ret < 0) |
| 2206 | goto out_unlock; |
| 2207 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2208 | switch (key_conf->cipher) { |
| 2209 | case WLAN_CIPHER_SUITE_WEP40: |
| 2210 | case WLAN_CIPHER_SUITE_WEP104: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2211 | key_type = KEY_WEP; |
| 2212 | |
| 2213 | key_conf->hw_key_idx = key_conf->keyidx; |
| 2214 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2215 | case WLAN_CIPHER_SUITE_TKIP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2216 | key_type = KEY_TKIP; |
| 2217 | |
| 2218 | key_conf->hw_key_idx = key_conf->keyidx; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2219 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2220 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2221 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2222 | case WLAN_CIPHER_SUITE_CCMP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2223 | key_type = KEY_AES; |
| 2224 | |
| 2225 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2226 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2227 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2228 | break; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 2229 | case WL1271_CIPHER_SUITE_GEM: |
| 2230 | key_type = KEY_GEM; |
| 2231 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2232 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
| 2233 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2234 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2235 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2236 | |
| 2237 | ret = -EOPNOTSUPP; |
| 2238 | goto out_sleep; |
| 2239 | } |
| 2240 | |
| 2241 | switch (cmd) { |
| 2242 | case SET_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2243 | ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE, |
| 2244 | key_conf->keyidx, key_type, |
| 2245 | key_conf->keylen, key_conf->key, |
| 2246 | tx_seq_32, tx_seq_16, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2247 | if (ret < 0) { |
| 2248 | wl1271_error("Could not add or replace key"); |
| 2249 | goto out_sleep; |
| 2250 | } |
| 2251 | break; |
| 2252 | |
| 2253 | case DISABLE_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2254 | ret = wl1271_set_key(wl, KEY_REMOVE, |
| 2255 | key_conf->keyidx, key_type, |
| 2256 | key_conf->keylen, key_conf->key, |
| 2257 | 0, 0, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2258 | if (ret < 0) { |
| 2259 | wl1271_error("Could not remove key"); |
| 2260 | goto out_sleep; |
| 2261 | } |
| 2262 | break; |
| 2263 | |
| 2264 | default: |
| 2265 | wl1271_error("Unsupported key cmd 0x%x", cmd); |
| 2266 | ret = -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2267 | break; |
| 2268 | } |
| 2269 | |
| 2270 | out_sleep: |
| 2271 | wl1271_ps_elp_sleep(wl); |
| 2272 | |
| 2273 | out_unlock: |
| 2274 | mutex_unlock(&wl->mutex); |
| 2275 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2276 | return ret; |
| 2277 | } |
| 2278 | |
| 2279 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 2280 | struct ieee80211_vif *vif, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2281 | struct cfg80211_scan_request *req) |
| 2282 | { |
| 2283 | struct wl1271 *wl = hw->priv; |
| 2284 | int ret; |
| 2285 | u8 *ssid = NULL; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2286 | size_t len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2287 | |
| 2288 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
| 2289 | |
| 2290 | if (req->n_ssids) { |
| 2291 | ssid = req->ssids[0].ssid; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2292 | len = req->ssids[0].ssid_len; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2293 | } |
| 2294 | |
| 2295 | mutex_lock(&wl->mutex); |
| 2296 | |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2297 | if (wl->state == WL1271_STATE_OFF) { |
| 2298 | /* |
| 2299 | * We cannot return -EBUSY here because cfg80211 will expect |
| 2300 | * a call to ieee80211_scan_completed if we do - in this case |
| 2301 | * there won't be any call. |
| 2302 | */ |
| 2303 | ret = -EAGAIN; |
| 2304 | goto out; |
| 2305 | } |
| 2306 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2307 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2308 | if (ret < 0) |
| 2309 | goto out; |
| 2310 | |
Luciano Coelho | 5924f89 | 2010-08-04 03:46:22 +0300 | [diff] [blame] | 2311 | ret = wl1271_scan(hw->priv, ssid, len, req); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2312 | |
| 2313 | wl1271_ps_elp_sleep(wl); |
| 2314 | |
| 2315 | out: |
| 2316 | mutex_unlock(&wl->mutex); |
| 2317 | |
| 2318 | return ret; |
| 2319 | } |
| 2320 | |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2321 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
| 2322 | { |
| 2323 | struct wl1271 *wl = hw->priv; |
| 2324 | int ret = 0; |
| 2325 | |
| 2326 | mutex_lock(&wl->mutex); |
| 2327 | |
| 2328 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2329 | ret = -EAGAIN; |
| 2330 | goto out; |
| 2331 | } |
| 2332 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2333 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2334 | if (ret < 0) |
| 2335 | goto out; |
| 2336 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2337 | ret = wl1271_acx_frag_threshold(wl, value); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2338 | if (ret < 0) |
| 2339 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); |
| 2340 | |
| 2341 | wl1271_ps_elp_sleep(wl); |
| 2342 | |
| 2343 | out: |
| 2344 | mutex_unlock(&wl->mutex); |
| 2345 | |
| 2346 | return ret; |
| 2347 | } |
| 2348 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2349 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 2350 | { |
| 2351 | struct wl1271 *wl = hw->priv; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2352 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2353 | |
| 2354 | mutex_lock(&wl->mutex); |
| 2355 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2356 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2357 | ret = -EAGAIN; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2358 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2359 | } |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2360 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2361 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2362 | if (ret < 0) |
| 2363 | goto out; |
| 2364 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2365 | ret = wl1271_acx_rts_threshold(wl, value); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2366 | if (ret < 0) |
| 2367 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); |
| 2368 | |
| 2369 | wl1271_ps_elp_sleep(wl); |
| 2370 | |
| 2371 | out: |
| 2372 | mutex_unlock(&wl->mutex); |
| 2373 | |
| 2374 | return ret; |
| 2375 | } |
| 2376 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2377 | static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2378 | int offset) |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2379 | { |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2380 | u8 *ptr = skb->data + offset; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2381 | |
| 2382 | /* find the location of the ssid in the beacon */ |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2383 | while (ptr < skb->data + skb->len) { |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2384 | if (ptr[0] == WLAN_EID_SSID) { |
| 2385 | wl->ssid_len = ptr[1]; |
| 2386 | memcpy(wl->ssid, ptr+2, wl->ssid_len); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2387 | return 0; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2388 | } |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2389 | ptr += (ptr[1] + 2); |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2390 | } |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2391 | |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2392 | wl1271_error("No SSID in IEs!\n"); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2393 | return -ENOENT; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2394 | } |
| 2395 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2396 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
| 2397 | struct ieee80211_bss_conf *bss_conf, |
| 2398 | u32 changed) |
| 2399 | { |
| 2400 | int ret = 0; |
| 2401 | |
| 2402 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 2403 | if (bss_conf->use_short_slot) |
| 2404 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); |
| 2405 | else |
| 2406 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); |
| 2407 | if (ret < 0) { |
| 2408 | wl1271_warning("Set slot time failed %d", ret); |
| 2409 | goto out; |
| 2410 | } |
| 2411 | } |
| 2412 | |
| 2413 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 2414 | if (bss_conf->use_short_preamble) |
| 2415 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); |
| 2416 | else |
| 2417 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); |
| 2418 | } |
| 2419 | |
| 2420 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 2421 | if (bss_conf->use_cts_prot) |
| 2422 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); |
| 2423 | else |
| 2424 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); |
| 2425 | if (ret < 0) { |
| 2426 | wl1271_warning("Set ctsprotect failed %d", ret); |
| 2427 | goto out; |
| 2428 | } |
| 2429 | } |
| 2430 | |
| 2431 | out: |
| 2432 | return ret; |
| 2433 | } |
| 2434 | |
| 2435 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
| 2436 | struct ieee80211_vif *vif, |
| 2437 | struct ieee80211_bss_conf *bss_conf, |
| 2438 | u32 changed) |
| 2439 | { |
| 2440 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2441 | int ret = 0; |
| 2442 | |
| 2443 | if ((changed & BSS_CHANGED_BEACON_INT)) { |
| 2444 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
| 2445 | bss_conf->beacon_int); |
| 2446 | |
| 2447 | wl->beacon_int = bss_conf->beacon_int; |
| 2448 | } |
| 2449 | |
| 2450 | if ((changed & BSS_CHANGED_BEACON)) { |
| 2451 | struct ieee80211_hdr *hdr; |
| 2452 | int ieoffset = offsetof(struct ieee80211_mgmt, |
| 2453 | u.beacon.variable); |
| 2454 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
| 2455 | u16 tmpl_id; |
| 2456 | |
| 2457 | if (!beacon) |
| 2458 | goto out; |
| 2459 | |
| 2460 | wl1271_debug(DEBUG_MASTER, "beacon updated"); |
| 2461 | |
| 2462 | ret = wl1271_ssid_set(wl, beacon, ieoffset); |
| 2463 | if (ret < 0) { |
| 2464 | dev_kfree_skb(beacon); |
| 2465 | goto out; |
| 2466 | } |
| 2467 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : |
| 2468 | CMD_TEMPL_BEACON; |
| 2469 | ret = wl1271_cmd_template_set(wl, tmpl_id, |
| 2470 | beacon->data, |
| 2471 | beacon->len, 0, |
| 2472 | wl1271_tx_min_rate_get(wl)); |
| 2473 | if (ret < 0) { |
| 2474 | dev_kfree_skb(beacon); |
| 2475 | goto out; |
| 2476 | } |
| 2477 | |
| 2478 | hdr = (struct ieee80211_hdr *) beacon->data; |
| 2479 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 2480 | IEEE80211_STYPE_PROBE_RESP); |
| 2481 | |
| 2482 | tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE : |
| 2483 | CMD_TEMPL_PROBE_RESPONSE; |
| 2484 | ret = wl1271_cmd_template_set(wl, |
| 2485 | tmpl_id, |
| 2486 | beacon->data, |
| 2487 | beacon->len, 0, |
| 2488 | wl1271_tx_min_rate_get(wl)); |
| 2489 | dev_kfree_skb(beacon); |
| 2490 | if (ret < 0) |
| 2491 | goto out; |
| 2492 | } |
| 2493 | |
| 2494 | out: |
| 2495 | return ret; |
| 2496 | } |
| 2497 | |
| 2498 | /* AP mode changes */ |
| 2499 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2500 | struct ieee80211_vif *vif, |
| 2501 | struct ieee80211_bss_conf *bss_conf, |
| 2502 | u32 changed) |
| 2503 | { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2504 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2505 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2506 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
| 2507 | u32 rates = bss_conf->basic_rates; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2508 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2509 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates); |
| 2510 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2511 | |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 2512 | ret = wl1271_init_ap_rates(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2513 | if (ret < 0) { |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 2514 | wl1271_error("AP rate policy change failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2515 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 2516 | } |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 2517 | |
| 2518 | ret = wl1271_ap_init_templates(wl); |
| 2519 | if (ret < 0) |
| 2520 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 2521 | } |
| 2522 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2523 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
| 2524 | if (ret < 0) |
| 2525 | goto out; |
| 2526 | |
| 2527 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
| 2528 | if (bss_conf->enable_beacon) { |
| 2529 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2530 | ret = wl1271_cmd_start_bss(wl); |
| 2531 | if (ret < 0) |
| 2532 | goto out; |
| 2533 | |
| 2534 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 2535 | wl1271_debug(DEBUG_AP, "started AP"); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2536 | |
| 2537 | ret = wl1271_ap_init_hwenc(wl); |
| 2538 | if (ret < 0) |
| 2539 | goto out; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2540 | } |
| 2541 | } else { |
| 2542 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2543 | ret = wl1271_cmd_stop_bss(wl); |
| 2544 | if (ret < 0) |
| 2545 | goto out; |
| 2546 | |
| 2547 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 2548 | wl1271_debug(DEBUG_AP, "stopped AP"); |
| 2549 | } |
| 2550 | } |
| 2551 | } |
| 2552 | |
Eliad Peller | cb5ae05 | 2011-04-07 15:52:05 +0300 | [diff] [blame] | 2553 | if (changed & BSS_CHANGED_IBSS) { |
| 2554 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", |
| 2555 | bss_conf->ibss_joined); |
| 2556 | |
| 2557 | if (bss_conf->ibss_joined) { |
| 2558 | u32 rates = bss_conf->basic_rates; |
| 2559 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 2560 | rates); |
| 2561 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 2562 | |
| 2563 | /* by default, use 11b rates */ |
| 2564 | wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
| 2565 | ret = wl1271_acx_sta_rate_policies(wl); |
| 2566 | if (ret < 0) |
| 2567 | goto out; |
| 2568 | } |
| 2569 | } |
| 2570 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2571 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 2572 | if (ret < 0) |
| 2573 | goto out; |
| 2574 | out: |
| 2575 | return; |
| 2576 | } |
| 2577 | |
| 2578 | /* STA/IBSS mode changes */ |
| 2579 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, |
| 2580 | struct ieee80211_vif *vif, |
| 2581 | struct ieee80211_bss_conf *bss_conf, |
| 2582 | u32 changed) |
| 2583 | { |
| 2584 | bool do_join = false, set_assoc = false; |
| 2585 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2586 | u32 sta_rate_set = 0; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2587 | int ret; |
Luciano Coelho | 2d6e4e76 | 2011-01-11 19:07:21 +0100 | [diff] [blame] | 2588 | struct ieee80211_sta *sta; |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2589 | bool sta_exists = false; |
| 2590 | struct ieee80211_sta_ht_cap sta_ht_cap; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2591 | |
| 2592 | if (is_ibss) { |
| 2593 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, |
| 2594 | changed); |
| 2595 | if (ret < 0) |
| 2596 | goto out; |
| 2597 | } |
| 2598 | |
| 2599 | if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss) |
| 2600 | do_join = true; |
| 2601 | |
| 2602 | /* Need to update the SSID (for filtering etc) */ |
| 2603 | if ((changed & BSS_CHANGED_BEACON) && is_ibss) |
| 2604 | do_join = true; |
| 2605 | |
| 2606 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) { |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 2607 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
| 2608 | bss_conf->enable_beacon ? "enabled" : "disabled"); |
| 2609 | |
| 2610 | if (bss_conf->enable_beacon) |
| 2611 | wl->set_bss_type = BSS_TYPE_IBSS; |
| 2612 | else |
| 2613 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
| 2614 | do_join = true; |
| 2615 | } |
| 2616 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2617 | if ((changed & BSS_CHANGED_CQM)) { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 2618 | bool enable = false; |
| 2619 | if (bss_conf->cqm_rssi_thold) |
| 2620 | enable = true; |
| 2621 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, |
| 2622 | bss_conf->cqm_rssi_thold, |
| 2623 | bss_conf->cqm_rssi_hyst); |
| 2624 | if (ret < 0) |
| 2625 | goto out; |
| 2626 | wl->rssi_thold = bss_conf->cqm_rssi_thold; |
| 2627 | } |
| 2628 | |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2629 | if ((changed & BSS_CHANGED_BSSID) && |
| 2630 | /* |
| 2631 | * Now we know the correct bssid, so we send a new join command |
| 2632 | * and enable the BSSID filter |
| 2633 | */ |
| 2634 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2635 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
Juuso Oikarinen | a0cb7be | 2010-03-18 12:26:44 +0200 | [diff] [blame] | 2636 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 2637 | if (!is_zero_ether_addr(wl->bssid)) { |
| 2638 | ret = wl1271_cmd_build_null_data(wl); |
| 2639 | if (ret < 0) |
| 2640 | goto out; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2641 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 2642 | ret = wl1271_build_qos_null_data(wl); |
| 2643 | if (ret < 0) |
| 2644 | goto out; |
Saravanan Dhanabal | 141418c | 2010-04-28 09:50:00 +0300 | [diff] [blame] | 2645 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 2646 | /* filter out all packets not from this BSSID */ |
| 2647 | wl1271_configure_filters(wl, 0); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2648 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 2649 | /* Need to update the BSSID (for filtering etc) */ |
| 2650 | do_join = true; |
| 2651 | } |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2652 | } |
| 2653 | |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2654 | rcu_read_lock(); |
| 2655 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
| 2656 | if (sta) { |
| 2657 | /* save the supp_rates of the ap */ |
| 2658 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; |
| 2659 | if (sta->ht_cap.ht_supported) |
| 2660 | sta_rate_set |= |
| 2661 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2662 | sta_ht_cap = sta->ht_cap; |
| 2663 | sta_exists = true; |
| 2664 | } |
| 2665 | rcu_read_unlock(); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2666 | |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2667 | if (sta_exists) { |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2668 | /* handle new association with HT and HT information change */ |
| 2669 | if ((changed & BSS_CHANGED_HT) && |
| 2670 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2671 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2672 | true); |
| 2673 | if (ret < 0) { |
| 2674 | wl1271_warning("Set ht cap true failed %d", |
| 2675 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2676 | goto out; |
| 2677 | } |
| 2678 | ret = wl1271_acx_set_ht_information(wl, |
| 2679 | bss_conf->ht_operation_mode); |
| 2680 | if (ret < 0) { |
| 2681 | wl1271_warning("Set ht information failed %d", |
| 2682 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2683 | goto out; |
| 2684 | } |
| 2685 | } |
| 2686 | /* handle new association without HT and disassociation */ |
| 2687 | else if (changed & BSS_CHANGED_ASSOC) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2688 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2689 | false); |
| 2690 | if (ret < 0) { |
| 2691 | wl1271_warning("Set ht cap false failed %d", |
| 2692 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2693 | goto out; |
| 2694 | } |
| 2695 | } |
| 2696 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2697 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2698 | if ((changed & BSS_CHANGED_ASSOC)) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2699 | if (bss_conf->assoc) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2700 | u32 rates; |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2701 | int ieoffset; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2702 | wl->aid = bss_conf->aid; |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2703 | set_assoc = true; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2704 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 2705 | wl->ps_poll_failures = 0; |
| 2706 | |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 2707 | /* |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2708 | * use basic rates from AP, and determine lowest rate |
| 2709 | * to use with control frames. |
| 2710 | */ |
| 2711 | rates = bss_conf->basic_rates; |
| 2712 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 2713 | rates); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 2714 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2715 | if (sta_rate_set) |
| 2716 | wl->rate_set = wl1271_tx_enabled_rates_get(wl, |
| 2717 | sta_rate_set); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 2718 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2719 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2720 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2721 | |
| 2722 | /* |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 2723 | * with wl1271, we don't need to update the |
| 2724 | * beacon_int and dtim_period, because the firmware |
| 2725 | * updates it by itself when the first beacon is |
| 2726 | * received after a join. |
| 2727 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2728 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
| 2729 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2730 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2731 | |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 2732 | /* |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2733 | * Get a template for hardware connection maintenance |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 2734 | */ |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2735 | dev_kfree_skb(wl->probereq); |
| 2736 | wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL); |
| 2737 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 2738 | u.probe_req.variable); |
| 2739 | wl1271_ssid_set(wl, wl->probereq, ieoffset); |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 2740 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 2741 | /* enable the connection monitoring feature */ |
| 2742 | ret = wl1271_acx_conn_monit_params(wl, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2743 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2744 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2745 | |
| 2746 | /* If we want to go in PSM but we're not there yet */ |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2747 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
| 2748 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2749 | enum wl1271_cmd_ps_mode mode; |
| 2750 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2751 | mode = STATION_POWER_SAVE_MODE; |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 2752 | ret = wl1271_ps_set_mode(wl, mode, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 2753 | wl->basic_rate, |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 2754 | true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2755 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2756 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2757 | } |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 2758 | } else { |
| 2759 | /* use defaults when not associated */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 2760 | bool was_assoc = |
| 2761 | !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, |
| 2762 | &wl->flags); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 2763 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 2764 | wl->aid = 0; |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 2765 | |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2766 | /* free probe-request template */ |
| 2767 | dev_kfree_skb(wl->probereq); |
| 2768 | wl->probereq = NULL; |
| 2769 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 2770 | /* re-enable dynamic ps - just in case */ |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 2771 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 2772 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2773 | /* revert back to minimum rates for the current band */ |
| 2774 | wl1271_set_band_rate(wl); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 2775 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 2776 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2777 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2778 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2779 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 2780 | /* disable connection monitor features */ |
| 2781 | ret = wl1271_acx_conn_monit_params(wl, false); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 2782 | |
| 2783 | /* Disable the keep-alive feature */ |
| 2784 | ret = wl1271_acx_keep_alive_mode(wl, false); |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 2785 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2786 | goto out; |
Juuso Oikarinen | b84a7d3 | 2010-11-22 12:59:08 +0200 | [diff] [blame] | 2787 | |
| 2788 | /* restore the bssid filter and go to dummy bssid */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 2789 | if (was_assoc) { |
| 2790 | wl1271_unjoin(wl); |
| 2791 | wl1271_dummy_join(wl); |
| 2792 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2793 | } |
| 2794 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 2795 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2796 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 2797 | if (ret < 0) |
| 2798 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2799 | |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 2800 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 2801 | __be32 addr = bss_conf->arp_addr_list[0]; |
| 2802 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 2803 | |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 2804 | if (bss_conf->arp_addr_cnt == 1 && |
| 2805 | bss_conf->arp_filter_enabled) { |
| 2806 | /* |
| 2807 | * The template should have been configured only upon |
| 2808 | * association. however, it seems that the correct ip |
| 2809 | * isn't being set (when sending), so we have to |
| 2810 | * reconfigure the template upon every ip change. |
| 2811 | */ |
| 2812 | ret = wl1271_cmd_build_arp_rsp(wl, addr); |
| 2813 | if (ret < 0) { |
| 2814 | wl1271_warning("build arp rsp failed: %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2815 | goto out; |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 2816 | } |
| 2817 | |
| 2818 | ret = wl1271_acx_arp_ip_filter(wl, |
Eliad Peller | e5e2f24 | 2011-01-24 19:19:03 +0100 | [diff] [blame] | 2819 | ACX_ARP_FILTER_ARP_FILTERING, |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 2820 | addr); |
| 2821 | } else |
| 2822 | ret = wl1271_acx_arp_ip_filter(wl, 0, addr); |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 2823 | |
| 2824 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2825 | goto out; |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 2826 | } |
| 2827 | |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 2828 | if (do_join) { |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2829 | ret = wl1271_join(wl, set_assoc); |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 2830 | if (ret < 0) { |
| 2831 | wl1271_warning("cmd join failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2832 | goto out; |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 2833 | } |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 2834 | } |
| 2835 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2836 | out: |
| 2837 | return; |
| 2838 | } |
| 2839 | |
| 2840 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
| 2841 | struct ieee80211_vif *vif, |
| 2842 | struct ieee80211_bss_conf *bss_conf, |
| 2843 | u32 changed) |
| 2844 | { |
| 2845 | struct wl1271 *wl = hw->priv; |
| 2846 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2847 | int ret; |
| 2848 | |
| 2849 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", |
| 2850 | (int)changed); |
| 2851 | |
| 2852 | mutex_lock(&wl->mutex); |
| 2853 | |
| 2854 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 2855 | goto out; |
| 2856 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2857 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2858 | if (ret < 0) |
| 2859 | goto out; |
| 2860 | |
| 2861 | if (is_ap) |
| 2862 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); |
| 2863 | else |
| 2864 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); |
| 2865 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2866 | wl1271_ps_elp_sleep(wl); |
| 2867 | |
| 2868 | out: |
| 2869 | mutex_unlock(&wl->mutex); |
| 2870 | } |
| 2871 | |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 2872 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
| 2873 | const struct ieee80211_tx_queue_params *params) |
| 2874 | { |
| 2875 | struct wl1271 *wl = hw->priv; |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 2876 | u8 ps_scheme; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 2877 | int ret = 0; |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 2878 | |
| 2879 | mutex_lock(&wl->mutex); |
| 2880 | |
| 2881 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 2882 | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 2883 | if (params->uapsd) |
| 2884 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; |
| 2885 | else |
| 2886 | ps_scheme = CONF_PS_SCHEME_LEGACY; |
| 2887 | |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 2888 | if (wl->state == WL1271_STATE_OFF) { |
| 2889 | /* |
| 2890 | * If the state is off, the parameters will be recorded and |
| 2891 | * configured on init. This happens in AP-mode. |
| 2892 | */ |
| 2893 | struct conf_tx_ac_category *conf_ac = |
| 2894 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; |
| 2895 | struct conf_tx_tid *conf_tid = |
| 2896 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; |
| 2897 | |
| 2898 | conf_ac->ac = wl1271_tx_get_queue(queue); |
| 2899 | conf_ac->cw_min = (u8)params->cw_min; |
| 2900 | conf_ac->cw_max = params->cw_max; |
| 2901 | conf_ac->aifsn = params->aifs; |
| 2902 | conf_ac->tx_op_limit = params->txop << 5; |
| 2903 | |
| 2904 | conf_tid->queue_id = wl1271_tx_get_queue(queue); |
| 2905 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; |
| 2906 | conf_tid->tsid = wl1271_tx_get_queue(queue); |
| 2907 | conf_tid->ps_scheme = ps_scheme; |
| 2908 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; |
| 2909 | conf_tid->apsd_conf[0] = 0; |
| 2910 | conf_tid->apsd_conf[1] = 0; |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 2911 | goto out; |
| 2912 | } |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 2913 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 2914 | ret = wl1271_ps_elp_wakeup(wl); |
| 2915 | if (ret < 0) |
| 2916 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 2917 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 2918 | /* |
| 2919 | * the txop is confed in units of 32us by the mac80211, |
| 2920 | * we need us |
| 2921 | */ |
| 2922 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
| 2923 | params->cw_min, params->cw_max, |
| 2924 | params->aifs, params->txop << 5); |
| 2925 | if (ret < 0) |
| 2926 | goto out_sleep; |
| 2927 | |
| 2928 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
| 2929 | CONF_CHANNEL_TYPE_EDCF, |
| 2930 | wl1271_tx_get_queue(queue), |
| 2931 | ps_scheme, CONF_ACK_POLICY_LEGACY, |
| 2932 | 0, 0); |
Kalle Valo | c82c1dd | 2010-02-18 13:25:47 +0200 | [diff] [blame] | 2933 | |
| 2934 | out_sleep: |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 2935 | wl1271_ps_elp_sleep(wl); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 2936 | |
| 2937 | out: |
| 2938 | mutex_unlock(&wl->mutex); |
| 2939 | |
| 2940 | return ret; |
| 2941 | } |
| 2942 | |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 2943 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
| 2944 | { |
| 2945 | |
| 2946 | struct wl1271 *wl = hw->priv; |
| 2947 | u64 mactime = ULLONG_MAX; |
| 2948 | int ret; |
| 2949 | |
| 2950 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); |
| 2951 | |
| 2952 | mutex_lock(&wl->mutex); |
| 2953 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2954 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 2955 | goto out; |
| 2956 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2957 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 2958 | if (ret < 0) |
| 2959 | goto out; |
| 2960 | |
| 2961 | ret = wl1271_acx_tsf_info(wl, &mactime); |
| 2962 | if (ret < 0) |
| 2963 | goto out_sleep; |
| 2964 | |
| 2965 | out_sleep: |
| 2966 | wl1271_ps_elp_sleep(wl); |
| 2967 | |
| 2968 | out: |
| 2969 | mutex_unlock(&wl->mutex); |
| 2970 | return mactime; |
| 2971 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2972 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 2973 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 2974 | struct survey_info *survey) |
| 2975 | { |
| 2976 | struct wl1271 *wl = hw->priv; |
| 2977 | struct ieee80211_conf *conf = &hw->conf; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2978 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 2979 | if (idx != 0) |
| 2980 | return -ENOENT; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2981 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 2982 | survey->channel = conf->channel; |
| 2983 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 2984 | survey->noise = wl->noise; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2985 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 2986 | return 0; |
| 2987 | } |
| 2988 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 2989 | static int wl1271_allocate_sta(struct wl1271 *wl, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 2990 | struct ieee80211_sta *sta, |
| 2991 | u8 *hlid) |
| 2992 | { |
| 2993 | struct wl1271_station *wl_sta; |
| 2994 | int id; |
| 2995 | |
| 2996 | id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS); |
| 2997 | if (id >= AP_MAX_STATIONS) { |
| 2998 | wl1271_warning("could not allocate HLID - too much stations"); |
| 2999 | return -EBUSY; |
| 3000 | } |
| 3001 | |
| 3002 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3003 | __set_bit(id, wl->ap_hlid_map); |
| 3004 | wl_sta->hlid = WL1271_AP_STA_HLID_START + id; |
| 3005 | *hlid = wl_sta->hlid; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3006 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3007 | return 0; |
| 3008 | } |
| 3009 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3010 | static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3011 | { |
| 3012 | int id = hlid - WL1271_AP_STA_HLID_START; |
| 3013 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3014 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3015 | return; |
| 3016 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3017 | __clear_bit(id, wl->ap_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3018 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3019 | wl1271_tx_reset_link_queues(wl, hlid); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3020 | __clear_bit(hlid, &wl->ap_ps_map); |
| 3021 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3022 | } |
| 3023 | |
Arik Nemtsov | 4768480 | 2011-04-26 23:21:51 +0300 | [diff] [blame] | 3024 | bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid) |
| 3025 | { |
| 3026 | int id = hlid - WL1271_AP_STA_HLID_START; |
| 3027 | return test_bit(id, wl->ap_hlid_map); |
| 3028 | } |
| 3029 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3030 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, |
| 3031 | struct ieee80211_vif *vif, |
| 3032 | struct ieee80211_sta *sta) |
| 3033 | { |
| 3034 | struct wl1271 *wl = hw->priv; |
| 3035 | int ret = 0; |
| 3036 | u8 hlid; |
| 3037 | |
| 3038 | mutex_lock(&wl->mutex); |
| 3039 | |
| 3040 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3041 | goto out; |
| 3042 | |
| 3043 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3044 | goto out; |
| 3045 | |
| 3046 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
| 3047 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3048 | ret = wl1271_allocate_sta(wl, sta, &hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3049 | if (ret < 0) |
| 3050 | goto out; |
| 3051 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3052 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3053 | if (ret < 0) |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3054 | goto out_free_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3055 | |
| 3056 | ret = wl1271_cmd_add_sta(wl, sta, hlid); |
| 3057 | if (ret < 0) |
| 3058 | goto out_sleep; |
| 3059 | |
| 3060 | out_sleep: |
| 3061 | wl1271_ps_elp_sleep(wl); |
| 3062 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3063 | out_free_sta: |
| 3064 | if (ret < 0) |
| 3065 | wl1271_free_sta(wl, hlid); |
| 3066 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3067 | out: |
| 3068 | mutex_unlock(&wl->mutex); |
| 3069 | return ret; |
| 3070 | } |
| 3071 | |
| 3072 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, |
| 3073 | struct ieee80211_vif *vif, |
| 3074 | struct ieee80211_sta *sta) |
| 3075 | { |
| 3076 | struct wl1271 *wl = hw->priv; |
| 3077 | struct wl1271_station *wl_sta; |
| 3078 | int ret = 0, id; |
| 3079 | |
| 3080 | mutex_lock(&wl->mutex); |
| 3081 | |
| 3082 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3083 | goto out; |
| 3084 | |
| 3085 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3086 | goto out; |
| 3087 | |
| 3088 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
| 3089 | |
| 3090 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 3091 | id = wl_sta->hlid - WL1271_AP_STA_HLID_START; |
| 3092 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3093 | goto out; |
| 3094 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3095 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3096 | if (ret < 0) |
| 3097 | goto out; |
| 3098 | |
| 3099 | ret = wl1271_cmd_remove_sta(wl, wl_sta->hlid); |
| 3100 | if (ret < 0) |
| 3101 | goto out_sleep; |
| 3102 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3103 | wl1271_free_sta(wl, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3104 | |
| 3105 | out_sleep: |
| 3106 | wl1271_ps_elp_sleep(wl); |
| 3107 | |
| 3108 | out: |
| 3109 | mutex_unlock(&wl->mutex); |
| 3110 | return ret; |
| 3111 | } |
| 3112 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 3113 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
| 3114 | struct ieee80211_vif *vif, |
| 3115 | enum ieee80211_ampdu_mlme_action action, |
| 3116 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 3117 | u8 buf_size) |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3118 | { |
| 3119 | struct wl1271 *wl = hw->priv; |
| 3120 | int ret; |
| 3121 | |
| 3122 | mutex_lock(&wl->mutex); |
| 3123 | |
| 3124 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 3125 | ret = -EAGAIN; |
| 3126 | goto out; |
| 3127 | } |
| 3128 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3129 | ret = wl1271_ps_elp_wakeup(wl); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3130 | if (ret < 0) |
| 3131 | goto out; |
| 3132 | |
| 3133 | switch (action) { |
| 3134 | case IEEE80211_AMPDU_RX_START: |
| 3135 | if (wl->ba_support) { |
| 3136 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn, |
| 3137 | true); |
| 3138 | if (!ret) |
| 3139 | wl->ba_rx_bitmap |= BIT(tid); |
| 3140 | } else { |
| 3141 | ret = -ENOTSUPP; |
| 3142 | } |
| 3143 | break; |
| 3144 | |
| 3145 | case IEEE80211_AMPDU_RX_STOP: |
| 3146 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, 0, false); |
| 3147 | if (!ret) |
| 3148 | wl->ba_rx_bitmap &= ~BIT(tid); |
| 3149 | break; |
| 3150 | |
| 3151 | /* |
| 3152 | * The BA initiator session management in FW independently. |
| 3153 | * Falling break here on purpose for all TX APDU commands. |
| 3154 | */ |
| 3155 | case IEEE80211_AMPDU_TX_START: |
| 3156 | case IEEE80211_AMPDU_TX_STOP: |
| 3157 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 3158 | ret = -EINVAL; |
| 3159 | break; |
| 3160 | |
| 3161 | default: |
| 3162 | wl1271_error("Incorrect ampdu action id=%x\n", action); |
| 3163 | ret = -EINVAL; |
| 3164 | } |
| 3165 | |
| 3166 | wl1271_ps_elp_sleep(wl); |
| 3167 | |
| 3168 | out: |
| 3169 | mutex_unlock(&wl->mutex); |
| 3170 | |
| 3171 | return ret; |
| 3172 | } |
| 3173 | |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3174 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
| 3175 | { |
| 3176 | struct wl1271 *wl = hw->priv; |
| 3177 | bool ret = false; |
| 3178 | |
| 3179 | mutex_lock(&wl->mutex); |
| 3180 | |
| 3181 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3182 | goto out; |
| 3183 | |
| 3184 | /* packets are considered pending if in the TX queue or the FW */ |
| 3185 | ret = (wl->tx_queue_count > 0) || (wl->tx_frames_cnt > 0); |
| 3186 | |
| 3187 | /* the above is appropriate for STA mode for PS purposes */ |
| 3188 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 3189 | |
| 3190 | out: |
| 3191 | mutex_unlock(&wl->mutex); |
| 3192 | |
| 3193 | return ret; |
| 3194 | } |
| 3195 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3196 | /* can't be const, mac80211 writes to this */ |
| 3197 | static struct ieee80211_rate wl1271_rates[] = { |
| 3198 | { .bitrate = 10, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3199 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
| 3200 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3201 | { .bitrate = 20, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3202 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
| 3203 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3204 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3205 | { .bitrate = 55, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3206 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
| 3207 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3208 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3209 | { .bitrate = 110, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3210 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
| 3211 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3212 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3213 | { .bitrate = 60, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3214 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3215 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3216 | { .bitrate = 90, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3217 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3218 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3219 | { .bitrate = 120, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3220 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3221 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3222 | { .bitrate = 180, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3223 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3224 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3225 | { .bitrate = 240, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3226 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3227 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3228 | { .bitrate = 360, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3229 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3230 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3231 | { .bitrate = 480, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3232 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3233 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3234 | { .bitrate = 540, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3235 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3236 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3237 | }; |
| 3238 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3239 | /* can't be const, mac80211 writes to this */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3240 | static struct ieee80211_channel wl1271_channels[] = { |
Luciano Coelho | a2d0e3f | 2009-12-11 15:40:46 +0200 | [diff] [blame] | 3241 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3242 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3243 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
| 3244 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, |
| 3245 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3246 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3247 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
| 3248 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, |
| 3249 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3250 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3251 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
| 3252 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, |
| 3253 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, |
Arik Nemtsov | 6c89b7b | 2011-01-18 20:39:52 +0100 | [diff] [blame] | 3254 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3255 | }; |
| 3256 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3257 | /* mapping to indexes for wl1271_rates */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3258 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3259 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3260 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3261 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3262 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3263 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3264 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3265 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3266 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3267 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3268 | |
| 3269 | 11, /* CONF_HW_RXTX_RATE_54 */ |
| 3270 | 10, /* CONF_HW_RXTX_RATE_48 */ |
| 3271 | 9, /* CONF_HW_RXTX_RATE_36 */ |
| 3272 | 8, /* CONF_HW_RXTX_RATE_24 */ |
| 3273 | |
| 3274 | /* TI-specific rate */ |
| 3275 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3276 | |
| 3277 | 7, /* CONF_HW_RXTX_RATE_18 */ |
| 3278 | 6, /* CONF_HW_RXTX_RATE_12 */ |
| 3279 | 3, /* CONF_HW_RXTX_RATE_11 */ |
| 3280 | 5, /* CONF_HW_RXTX_RATE_9 */ |
| 3281 | 4, /* CONF_HW_RXTX_RATE_6 */ |
| 3282 | 2, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3283 | 1, /* CONF_HW_RXTX_RATE_2 */ |
| 3284 | 0 /* CONF_HW_RXTX_RATE_1 */ |
| 3285 | }; |
| 3286 | |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3287 | /* 11n STA capabilities */ |
| 3288 | #define HW_RX_HIGHEST_RATE 72 |
| 3289 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3290 | #ifdef CONFIG_WL12XX_HT |
| 3291 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 871d0c3 | 2011-03-13 11:24:40 +0200 | [diff] [blame] | 3292 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
| 3293 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3294 | .ht_supported = true, \ |
| 3295 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ |
| 3296 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ |
| 3297 | .mcs = { \ |
| 3298 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ |
| 3299 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ |
| 3300 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ |
| 3301 | }, \ |
| 3302 | } |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3303 | #else |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3304 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3305 | .ht_supported = false, \ |
| 3306 | } |
| 3307 | #endif |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3308 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3309 | /* can't be const, mac80211 writes to this */ |
| 3310 | static struct ieee80211_supported_band wl1271_band_2ghz = { |
| 3311 | .channels = wl1271_channels, |
| 3312 | .n_channels = ARRAY_SIZE(wl1271_channels), |
| 3313 | .bitrates = wl1271_rates, |
| 3314 | .n_bitrates = ARRAY_SIZE(wl1271_rates), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3315 | .ht_cap = WL12XX_HT_CAP, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3316 | }; |
| 3317 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3318 | /* 5 GHz data rates for WL1273 */ |
| 3319 | static struct ieee80211_rate wl1271_rates_5ghz[] = { |
| 3320 | { .bitrate = 60, |
| 3321 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3322 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 3323 | { .bitrate = 90, |
| 3324 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3325 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
| 3326 | { .bitrate = 120, |
| 3327 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3328 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
| 3329 | { .bitrate = 180, |
| 3330 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3331 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
| 3332 | { .bitrate = 240, |
| 3333 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3334 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
| 3335 | { .bitrate = 360, |
| 3336 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3337 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
| 3338 | { .bitrate = 480, |
| 3339 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3340 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
| 3341 | { .bitrate = 540, |
| 3342 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3343 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
| 3344 | }; |
| 3345 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3346 | /* 5 GHz band channels for WL1273 */ |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3347 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3348 | { .hw_value = 7, .center_freq = 5035}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3349 | { .hw_value = 8, .center_freq = 5040}, |
| 3350 | { .hw_value = 9, .center_freq = 5045}, |
| 3351 | { .hw_value = 11, .center_freq = 5055}, |
| 3352 | { .hw_value = 12, .center_freq = 5060}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3353 | { .hw_value = 16, .center_freq = 5080}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3354 | { .hw_value = 34, .center_freq = 5170}, |
| 3355 | { .hw_value = 36, .center_freq = 5180}, |
| 3356 | { .hw_value = 38, .center_freq = 5190}, |
| 3357 | { .hw_value = 40, .center_freq = 5200}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3358 | { .hw_value = 42, .center_freq = 5210}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3359 | { .hw_value = 44, .center_freq = 5220}, |
| 3360 | { .hw_value = 46, .center_freq = 5230}, |
| 3361 | { .hw_value = 48, .center_freq = 5240}, |
| 3362 | { .hw_value = 52, .center_freq = 5260}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3363 | { .hw_value = 56, .center_freq = 5280}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3364 | { .hw_value = 60, .center_freq = 5300}, |
| 3365 | { .hw_value = 64, .center_freq = 5320}, |
| 3366 | { .hw_value = 100, .center_freq = 5500}, |
| 3367 | { .hw_value = 104, .center_freq = 5520}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3368 | { .hw_value = 108, .center_freq = 5540}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3369 | { .hw_value = 112, .center_freq = 5560}, |
| 3370 | { .hw_value = 116, .center_freq = 5580}, |
| 3371 | { .hw_value = 120, .center_freq = 5600}, |
| 3372 | { .hw_value = 124, .center_freq = 5620}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3373 | { .hw_value = 128, .center_freq = 5640}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3374 | { .hw_value = 132, .center_freq = 5660}, |
| 3375 | { .hw_value = 136, .center_freq = 5680}, |
| 3376 | { .hw_value = 140, .center_freq = 5700}, |
| 3377 | { .hw_value = 149, .center_freq = 5745}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3378 | { .hw_value = 153, .center_freq = 5765}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3379 | { .hw_value = 157, .center_freq = 5785}, |
| 3380 | { .hw_value = 161, .center_freq = 5805}, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3381 | { .hw_value = 165, .center_freq = 5825}, |
| 3382 | }; |
| 3383 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3384 | /* mapping to indexes for wl1271_rates_5ghz */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3385 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3386 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3387 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3388 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3389 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3390 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3391 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3392 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3393 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3394 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3395 | |
| 3396 | 7, /* CONF_HW_RXTX_RATE_54 */ |
| 3397 | 6, /* CONF_HW_RXTX_RATE_48 */ |
| 3398 | 5, /* CONF_HW_RXTX_RATE_36 */ |
| 3399 | 4, /* CONF_HW_RXTX_RATE_24 */ |
| 3400 | |
| 3401 | /* TI-specific rate */ |
| 3402 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3403 | |
| 3404 | 3, /* CONF_HW_RXTX_RATE_18 */ |
| 3405 | 2, /* CONF_HW_RXTX_RATE_12 */ |
| 3406 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ |
| 3407 | 1, /* CONF_HW_RXTX_RATE_9 */ |
| 3408 | 0, /* CONF_HW_RXTX_RATE_6 */ |
| 3409 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3410 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ |
| 3411 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ |
| 3412 | }; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3413 | |
| 3414 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
| 3415 | .channels = wl1271_channels_5ghz, |
| 3416 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), |
| 3417 | .bitrates = wl1271_rates_5ghz, |
| 3418 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3419 | .ht_cap = WL12XX_HT_CAP, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3420 | }; |
| 3421 | |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3422 | static const u8 *wl1271_band_rate_to_idx[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3423 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
| 3424 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz |
| 3425 | }; |
| 3426 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3427 | static const struct ieee80211_ops wl1271_ops = { |
| 3428 | .start = wl1271_op_start, |
| 3429 | .stop = wl1271_op_stop, |
| 3430 | .add_interface = wl1271_op_add_interface, |
| 3431 | .remove_interface = wl1271_op_remove_interface, |
| 3432 | .config = wl1271_op_config, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3433 | .prepare_multicast = wl1271_op_prepare_multicast, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3434 | .configure_filter = wl1271_op_configure_filter, |
| 3435 | .tx = wl1271_op_tx, |
| 3436 | .set_key = wl1271_op_set_key, |
| 3437 | .hw_scan = wl1271_op_hw_scan, |
| 3438 | .bss_info_changed = wl1271_op_bss_info_changed, |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3439 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3440 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3441 | .conf_tx = wl1271_op_conf_tx, |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3442 | .get_tsf = wl1271_op_get_tsf, |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3443 | .get_survey = wl1271_op_get_survey, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3444 | .sta_add = wl1271_op_sta_add, |
| 3445 | .sta_remove = wl1271_op_sta_remove, |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3446 | .ampdu_action = wl1271_op_ampdu_action, |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3447 | .tx_frames_pending = wl1271_tx_frames_pending, |
Kalle Valo | c8c9087 | 2010-02-18 13:25:53 +0200 | [diff] [blame] | 3448 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3449 | }; |
| 3450 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3451 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3452 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3453 | { |
| 3454 | u8 idx; |
| 3455 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3456 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3457 | |
| 3458 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { |
| 3459 | wl1271_error("Illegal RX rate from HW: %d", rate); |
| 3460 | return 0; |
| 3461 | } |
| 3462 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3463 | idx = wl1271_band_rate_to_idx[band][rate]; |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3464 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
| 3465 | wl1271_error("Unsupported RX rate from HW: %d", rate); |
| 3466 | return 0; |
| 3467 | } |
| 3468 | |
| 3469 | return idx; |
| 3470 | } |
| 3471 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3472 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
| 3473 | struct device_attribute *attr, |
| 3474 | char *buf) |
| 3475 | { |
| 3476 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3477 | ssize_t len; |
| 3478 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 3479 | len = PAGE_SIZE; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3480 | |
| 3481 | mutex_lock(&wl->mutex); |
| 3482 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", |
| 3483 | wl->sg_enabled); |
| 3484 | mutex_unlock(&wl->mutex); |
| 3485 | |
| 3486 | return len; |
| 3487 | |
| 3488 | } |
| 3489 | |
| 3490 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, |
| 3491 | struct device_attribute *attr, |
| 3492 | const char *buf, size_t count) |
| 3493 | { |
| 3494 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3495 | unsigned long res; |
| 3496 | int ret; |
| 3497 | |
Luciano Coelho | 6277ed6 | 2011-04-01 17:49:54 +0300 | [diff] [blame] | 3498 | ret = kstrtoul(buf, 10, &res); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3499 | if (ret < 0) { |
| 3500 | wl1271_warning("incorrect value written to bt_coex_mode"); |
| 3501 | return count; |
| 3502 | } |
| 3503 | |
| 3504 | mutex_lock(&wl->mutex); |
| 3505 | |
| 3506 | res = !!res; |
| 3507 | |
| 3508 | if (res == wl->sg_enabled) |
| 3509 | goto out; |
| 3510 | |
| 3511 | wl->sg_enabled = res; |
| 3512 | |
| 3513 | if (wl->state == WL1271_STATE_OFF) |
| 3514 | goto out; |
| 3515 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3516 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3517 | if (ret < 0) |
| 3518 | goto out; |
| 3519 | |
| 3520 | wl1271_acx_sg_enable(wl, wl->sg_enabled); |
| 3521 | wl1271_ps_elp_sleep(wl); |
| 3522 | |
| 3523 | out: |
| 3524 | mutex_unlock(&wl->mutex); |
| 3525 | return count; |
| 3526 | } |
| 3527 | |
| 3528 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, |
| 3529 | wl1271_sysfs_show_bt_coex_state, |
| 3530 | wl1271_sysfs_store_bt_coex_state); |
| 3531 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3532 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
| 3533 | struct device_attribute *attr, |
| 3534 | char *buf) |
| 3535 | { |
| 3536 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3537 | ssize_t len; |
| 3538 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 3539 | len = PAGE_SIZE; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3540 | |
| 3541 | mutex_lock(&wl->mutex); |
| 3542 | if (wl->hw_pg_ver >= 0) |
| 3543 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); |
| 3544 | else |
| 3545 | len = snprintf(buf, len, "n/a\n"); |
| 3546 | mutex_unlock(&wl->mutex); |
| 3547 | |
| 3548 | return len; |
| 3549 | } |
| 3550 | |
| 3551 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, |
| 3552 | wl1271_sysfs_show_hw_pg_ver, NULL); |
| 3553 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 3554 | int wl1271_register_hw(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3555 | { |
| 3556 | int ret; |
| 3557 | |
| 3558 | if (wl->mac80211_registered) |
| 3559 | return 0; |
| 3560 | |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 3561 | ret = wl1271_fetch_nvs(wl); |
| 3562 | if (ret == 0) { |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 3563 | /* NOTE: The wl->nvs->nvs element must be first, in |
| 3564 | * order to simplify the casting, we assume it is at |
| 3565 | * the beginning of the wl->nvs structure. |
| 3566 | */ |
| 3567 | u8 *nvs_ptr = (u8 *)wl->nvs; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 3568 | |
| 3569 | wl->mac_addr[0] = nvs_ptr[11]; |
| 3570 | wl->mac_addr[1] = nvs_ptr[10]; |
| 3571 | wl->mac_addr[2] = nvs_ptr[6]; |
| 3572 | wl->mac_addr[3] = nvs_ptr[5]; |
| 3573 | wl->mac_addr[4] = nvs_ptr[4]; |
| 3574 | wl->mac_addr[5] = nvs_ptr[3]; |
| 3575 | } |
| 3576 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3577 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 3578 | |
| 3579 | ret = ieee80211_register_hw(wl->hw); |
| 3580 | if (ret < 0) { |
| 3581 | wl1271_error("unable to register mac80211 hw: %d", ret); |
| 3582 | return ret; |
| 3583 | } |
| 3584 | |
| 3585 | wl->mac80211_registered = true; |
| 3586 | |
Eliad Peller | d60080a | 2010-11-24 12:53:16 +0200 | [diff] [blame] | 3587 | wl1271_debugfs_init(wl); |
| 3588 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3589 | register_netdevice_notifier(&wl1271_dev_notifier); |
| 3590 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3591 | wl1271_notice("loaded"); |
| 3592 | |
| 3593 | return 0; |
| 3594 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3595 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3596 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3597 | void wl1271_unregister_hw(struct wl1271 *wl) |
| 3598 | { |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 3599 | if (wl->state == WL1271_STATE_PLT) |
| 3600 | __wl1271_plt_stop(wl); |
| 3601 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3602 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3603 | ieee80211_unregister_hw(wl->hw); |
| 3604 | wl->mac80211_registered = false; |
| 3605 | |
| 3606 | } |
| 3607 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); |
| 3608 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 3609 | int wl1271_init_ieee80211(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3610 | { |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 3611 | static const u32 cipher_suites[] = { |
| 3612 | WLAN_CIPHER_SUITE_WEP40, |
| 3613 | WLAN_CIPHER_SUITE_WEP104, |
| 3614 | WLAN_CIPHER_SUITE_TKIP, |
| 3615 | WLAN_CIPHER_SUITE_CCMP, |
| 3616 | WL1271_CIPHER_SUITE_GEM, |
| 3617 | }; |
| 3618 | |
Juuso Oikarinen | 1e2b797 | 2009-10-08 21:56:20 +0300 | [diff] [blame] | 3619 | /* The tx descriptor buffer and the TKIP space. */ |
| 3620 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + |
| 3621 | sizeof(struct wl1271_tx_hw_descr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3622 | |
| 3623 | /* unit us */ |
| 3624 | /* FIXME: find a proper value */ |
| 3625 | wl->hw->channel_change_time = 10000; |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 3626 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3627 | |
| 3628 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 03442a3 | 2009-11-23 23:22:14 +0200 | [diff] [blame] | 3629 | IEEE80211_HW_BEACON_FILTER | |
Juuso Oikarinen | 0a34332 | 2010-02-22 08:38:41 +0200 | [diff] [blame] | 3630 | IEEE80211_HW_SUPPORTS_PS | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3631 | IEEE80211_HW_SUPPORTS_UAPSD | |
Juuso Oikarinen | a9af092 | 2010-03-26 12:53:30 +0200 | [diff] [blame] | 3632 | IEEE80211_HW_HAS_RATE_CONTROL | |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 3633 | IEEE80211_HW_CONNECTION_MONITOR | |
Eliad Peller | 62c0740 | 2011-02-02 11:20:05 +0200 | [diff] [blame] | 3634 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
Arik Nemtsov | ba7c082 | 2011-02-23 00:22:28 +0200 | [diff] [blame] | 3635 | IEEE80211_HW_AP_LINK_PS; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3636 | |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 3637 | wl->hw->wiphy->cipher_suites = cipher_suites; |
| 3638 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 3639 | |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 3640 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 3641 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3642 | wl->hw->wiphy->max_scan_ssids = 1; |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 3643 | /* |
| 3644 | * Maximum length of elements in scanning probe request templates |
| 3645 | * should be the maximum length possible for a template, without |
| 3646 | * the IEEE80211 header of the template |
| 3647 | */ |
| 3648 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
| 3649 | sizeof(struct ieee80211_header); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 3650 | |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 3651 | /* make sure all our channels fit in the scanned_ch bitmask */ |
| 3652 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + |
| 3653 | ARRAY_SIZE(wl1271_channels_5ghz) > |
| 3654 | WL1271_MAX_CHANNELS); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 3655 | /* |
| 3656 | * We keep local copies of the band structs because we need to |
| 3657 | * modify them on a per-device basis. |
| 3658 | */ |
| 3659 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, |
| 3660 | sizeof(wl1271_band_2ghz)); |
| 3661 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
| 3662 | sizeof(wl1271_band_5ghz)); |
| 3663 | |
| 3664 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 3665 | &wl->bands[IEEE80211_BAND_2GHZ]; |
| 3666 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 3667 | &wl->bands[IEEE80211_BAND_5GHZ]; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3668 | |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 3669 | wl->hw->queues = 4; |
Juuso Oikarinen | 31627dc | 2010-03-26 12:53:12 +0200 | [diff] [blame] | 3670 | wl->hw->max_rates = 1; |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 3671 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 3672 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
| 3673 | |
Teemu Paasikivi | 8197b71 | 2010-02-22 08:38:23 +0200 | [diff] [blame] | 3674 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3675 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3676 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
| 3677 | |
Luciano Coelho | 4c9cfa7 | 2011-01-12 14:27:03 +0100 | [diff] [blame] | 3678 | wl->hw->max_rx_aggregation_subframes = 8; |
| 3679 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3680 | return 0; |
| 3681 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3682 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3683 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3684 | #define WL1271_DEFAULT_CHANNEL 0 |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3685 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 3686 | struct ieee80211_hw *wl1271_alloc_hw(void) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3687 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3688 | struct ieee80211_hw *hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3689 | struct platform_device *plat_dev = NULL; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3690 | struct wl1271 *wl; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3691 | int i, j, ret; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 3692 | unsigned int order; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3693 | |
| 3694 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
| 3695 | if (!hw) { |
| 3696 | wl1271_error("could not alloc ieee80211_hw"); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3697 | ret = -ENOMEM; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3698 | goto err_hw_alloc; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3699 | } |
| 3700 | |
Julia Lawall | 929ebd3 | 2010-05-15 23:16:39 +0200 | [diff] [blame] | 3701 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3702 | if (!plat_dev) { |
| 3703 | wl1271_error("could not allocate platform_device"); |
| 3704 | ret = -ENOMEM; |
| 3705 | goto err_plat_alloc; |
| 3706 | } |
| 3707 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3708 | wl = hw->priv; |
| 3709 | memset(wl, 0, sizeof(*wl)); |
| 3710 | |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 3711 | INIT_LIST_HEAD(&wl->list); |
| 3712 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3713 | wl->hw = hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3714 | wl->plat_dev = plat_dev; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3715 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 3716 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 3717 | skb_queue_head_init(&wl->tx_queue[i]); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3718 | |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3719 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 3720 | for (j = 0; j < AP_MAX_LINKS; j++) |
| 3721 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
| 3722 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3723 | skb_queue_head_init(&wl->deferred_rx_queue); |
| 3724 | skb_queue_head_init(&wl->deferred_tx_queue); |
| 3725 | |
Juuso Oikarinen | 37b70a8 | 2009-10-08 21:56:21 +0300 | [diff] [blame] | 3726 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 3727 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3728 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
Juuso Oikarinen | 117b38d | 2010-09-30 10:43:28 +0200 | [diff] [blame] | 3729 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
| 3730 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); |
| 3731 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3732 | wl->channel = WL1271_DEFAULT_CHANNEL; |
Juuso Oikarinen | 60e84c2 | 2010-03-26 12:53:25 +0200 | [diff] [blame] | 3733 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3734 | wl->default_key = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3735 | wl->rx_counter = 0; |
Arik Nemtsov | ae113b5 | 2010-10-16 18:45:07 +0200 | [diff] [blame] | 3736 | wl->rx_config = WL1271_DEFAULT_STA_RX_CONFIG; |
| 3737 | wl->rx_filter = WL1271_DEFAULT_STA_RX_FILTER; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 3738 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3739 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Juuso Oikarinen | a6fe231 | 2009-12-11 15:40:58 +0200 | [diff] [blame] | 3740 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3741 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 3742 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 3743 | wl->band = IEEE80211_BAND_2GHZ; |
Juuso Oikarinen | b771eee | 2009-10-08 21:56:34 +0300 | [diff] [blame] | 3744 | wl->vif = NULL; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 3745 | wl->flags = 0; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3746 | wl->sg_enabled = true; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3747 | wl->hw_pg_ver = -1; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 3748 | wl->bss_type = MAX_BSS_TYPE; |
| 3749 | wl->set_bss_type = MAX_BSS_TYPE; |
| 3750 | wl->fw_bss_type = MAX_BSS_TYPE; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3751 | wl->last_tx_hlid = 0; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3752 | wl->ap_ps_map = 0; |
| 3753 | wl->ap_fw_ps_map = 0; |
Ido Yariv | 606ea9f | 2011-03-01 15:14:39 +0200 | [diff] [blame] | 3754 | wl->quirks = 0; |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 3755 | wl->platform_quirks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3756 | |
Ido Yariv | 25eeb9e | 2010-10-12 16:20:06 +0200 | [diff] [blame] | 3757 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
Juuso Oikarinen | be7078c | 2009-10-08 21:56:26 +0300 | [diff] [blame] | 3758 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3759 | wl->tx_frames[i] = NULL; |
| 3760 | |
| 3761 | spin_lock_init(&wl->wl_lock); |
| 3762 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3763 | wl->state = WL1271_STATE_OFF; |
| 3764 | mutex_init(&wl->mutex); |
| 3765 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3766 | /* Apply default driver configuration. */ |
| 3767 | wl1271_conf_init(wl); |
| 3768 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 3769 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
| 3770 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
| 3771 | if (!wl->aggr_buf) { |
| 3772 | ret = -ENOMEM; |
| 3773 | goto err_hw; |
| 3774 | } |
| 3775 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 3776 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
| 3777 | if (!wl->dummy_packet) { |
| 3778 | ret = -ENOMEM; |
| 3779 | goto err_aggr; |
| 3780 | } |
| 3781 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3782 | /* Register platform device */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3783 | ret = platform_device_register(wl->plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3784 | if (ret) { |
| 3785 | wl1271_error("couldn't register platform device"); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 3786 | goto err_dummy_packet; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3787 | } |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3788 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3789 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3790 | /* Create sysfs file to control bt coex state */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3791 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3792 | if (ret < 0) { |
| 3793 | wl1271_error("failed to create sysfs file bt_coex_state"); |
| 3794 | goto err_platform; |
| 3795 | } |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3796 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3797 | /* Create sysfs file to get HW PG version */ |
| 3798 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 3799 | if (ret < 0) { |
| 3800 | wl1271_error("failed to create sysfs file hw_pg_ver"); |
| 3801 | goto err_bt_coex_state; |
| 3802 | } |
| 3803 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3804 | return hw; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3805 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3806 | err_bt_coex_state: |
| 3807 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
| 3808 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3809 | err_platform: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3810 | platform_device_unregister(wl->plat_dev); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3811 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 3812 | err_dummy_packet: |
| 3813 | dev_kfree_skb(wl->dummy_packet); |
| 3814 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 3815 | err_aggr: |
| 3816 | free_pages((unsigned long)wl->aggr_buf, order); |
| 3817 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3818 | err_hw: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3819 | wl1271_debugfs_exit(wl); |
| 3820 | kfree(plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3821 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3822 | err_plat_alloc: |
| 3823 | ieee80211_free_hw(hw); |
| 3824 | |
| 3825 | err_hw_alloc: |
| 3826 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 3827 | return ERR_PTR(ret); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3828 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3829 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3830 | |
| 3831 | int wl1271_free_hw(struct wl1271 *wl) |
| 3832 | { |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3833 | platform_device_unregister(wl->plat_dev); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 3834 | dev_kfree_skb(wl->dummy_packet); |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 3835 | free_pages((unsigned long)wl->aggr_buf, |
| 3836 | get_order(WL1271_AGGR_BUFFER_SIZE)); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3837 | kfree(wl->plat_dev); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3838 | |
| 3839 | wl1271_debugfs_exit(wl); |
| 3840 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 3841 | vfree(wl->fw); |
| 3842 | wl->fw = NULL; |
| 3843 | kfree(wl->nvs); |
| 3844 | wl->nvs = NULL; |
| 3845 | |
| 3846 | kfree(wl->fw_status); |
| 3847 | kfree(wl->tx_res_if); |
| 3848 | |
| 3849 | ieee80211_free_hw(wl->hw); |
| 3850 | |
| 3851 | return 0; |
| 3852 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3853 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
| 3854 | |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 3855 | u32 wl12xx_debug_level = DEBUG_NONE; |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 3856 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 3857 | module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 3858 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
| 3859 | |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3860 | MODULE_LICENSE("GPL"); |
Luciano Coelho | b1a48ca | 2011-02-22 14:19:28 +0200 | [diff] [blame] | 3861 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3862 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |