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> |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 34 | #include <linux/sched.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 35 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 36 | #include "wl12xx.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 37 | #include "wl12xx_80211.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 38 | #include "reg.h" |
| 39 | #include "io.h" |
| 40 | #include "event.h" |
| 41 | #include "tx.h" |
| 42 | #include "rx.h" |
| 43 | #include "ps.h" |
| 44 | #include "init.h" |
| 45 | #include "debugfs.h" |
| 46 | #include "cmd.h" |
| 47 | #include "boot.h" |
| 48 | #include "testmode.h" |
| 49 | #include "scan.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 50 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 51 | #define WL1271_BOOT_RETRIES 3 |
| 52 | |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 53 | static struct conf_drv_settings default_conf = { |
| 54 | .sg = { |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 55 | .sta_params = { |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 56 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 57 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 58 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
Luciano Coelho | d9482e2 | 2011-03-21 17:58:32 +0200 | [diff] [blame] | 59 | [CONF_SG_BT_LOAD_RATIO] = 200, |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 60 | [CONF_SG_AUTO_PS_MODE] = 1, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 61 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 62 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 63 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 64 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 65 | [CONF_SG_RATE_ADAPT_THRESH] = 12, |
| 66 | [CONF_SG_RATE_ADAPT_SNR] = 0, |
| 67 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 68 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, |
| 69 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, |
| 70 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 71 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, |
| 72 | /* Note: with UPSD, this should be 4 */ |
| 73 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, |
| 74 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 75 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 76 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, |
| 77 | /* Note: with UPDS, this should be 15 */ |
| 78 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 79 | /* Note: with UPDS, this should be 50 */ |
| 80 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, |
| 81 | /* Note: with UPDS, this should be 10 */ |
| 82 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, |
| 83 | [CONF_SG_RXT] = 1200, |
| 84 | [CONF_SG_TXT] = 1000, |
| 85 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 86 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 87 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 88 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 89 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 90 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 91 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 92 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 93 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 94 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 95 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 96 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 97 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 98 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 99 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 100 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 101 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 102 | [CONF_SG_DHCP_TIME] = 5000, |
| 103 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 104 | }, |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 105 | .ap_params = { |
| 106 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 107 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 108 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
| 109 | [CONF_SG_BT_LOAD_RATIO] = 50, |
| 110 | [CONF_SG_AUTO_PS_MODE] = 1, |
| 111 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 112 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 113 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 114 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 115 | [CONF_SG_RATE_ADAPT_THRESH] = 64, |
| 116 | [CONF_SG_RATE_ADAPT_SNR] = 1, |
| 117 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 118 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 25, |
| 119 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 25, |
| 120 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 121 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 25, |
| 122 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 25, |
| 123 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 124 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 125 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 25, |
| 126 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 127 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 25, |
| 128 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 25, |
| 129 | [CONF_SG_RXT] = 1200, |
| 130 | [CONF_SG_TXT] = 1000, |
| 131 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 132 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 133 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 134 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 135 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 136 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 137 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 138 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 139 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 140 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 141 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 142 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 143 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 144 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 145 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 146 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 147 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 148 | [CONF_SG_DHCP_TIME] = 5000, |
| 149 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 150 | [CONF_SG_TEMP_PARAM_1] = 0, |
| 151 | [CONF_SG_TEMP_PARAM_2] = 0, |
| 152 | [CONF_SG_TEMP_PARAM_3] = 0, |
| 153 | [CONF_SG_TEMP_PARAM_4] = 0, |
| 154 | [CONF_SG_TEMP_PARAM_5] = 0, |
| 155 | [CONF_SG_AP_BEACON_MISS_TX] = 3, |
| 156 | [CONF_SG_RX_WINDOW_LENGTH] = 6, |
| 157 | [CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 50, |
| 158 | [CONF_SG_TEMP_PARAM_6] = 1, |
| 159 | }, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 160 | .state = CONF_SG_PROTECTIVE, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 161 | }, |
| 162 | .rx = { |
| 163 | .rx_msdu_life_time = 512000, |
| 164 | .packet_detection_threshold = 0, |
| 165 | .ps_poll_timeout = 15, |
| 166 | .upsd_timeout = 15, |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 167 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 168 | .rx_cca_threshold = 0, |
| 169 | .irq_blk_threshold = 0xFFFF, |
| 170 | .irq_pkt_threshold = 0, |
| 171 | .irq_timeout = 600, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 172 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
| 173 | }, |
| 174 | .tx = { |
| 175 | .tx_energy_detection = 0, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 176 | .sta_rc_conf = { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 177 | .enabled_rates = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 178 | .short_retry_limit = 10, |
| 179 | .long_retry_limit = 10, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 180 | .aflags = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 181 | }, |
| 182 | .ac_conf_count = 4, |
| 183 | .ac_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 184 | [CONF_TX_AC_BE] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 185 | .ac = CONF_TX_AC_BE, |
| 186 | .cw_min = 15, |
| 187 | .cw_max = 63, |
| 188 | .aifsn = 3, |
| 189 | .tx_op_limit = 0, |
| 190 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 191 | [CONF_TX_AC_BK] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 192 | .ac = CONF_TX_AC_BK, |
| 193 | .cw_min = 15, |
| 194 | .cw_max = 63, |
| 195 | .aifsn = 7, |
| 196 | .tx_op_limit = 0, |
| 197 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 198 | [CONF_TX_AC_VI] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 199 | .ac = CONF_TX_AC_VI, |
| 200 | .cw_min = 15, |
| 201 | .cw_max = 63, |
| 202 | .aifsn = CONF_TX_AIFS_PIFS, |
| 203 | .tx_op_limit = 3008, |
| 204 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 205 | [CONF_TX_AC_VO] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 206 | .ac = CONF_TX_AC_VO, |
| 207 | .cw_min = 15, |
| 208 | .cw_max = 63, |
| 209 | .aifsn = CONF_TX_AIFS_PIFS, |
| 210 | .tx_op_limit = 1504, |
| 211 | }, |
| 212 | }, |
Arik Nemtsov | 3618f30 | 2011-06-26 10:36:03 +0300 | [diff] [blame] | 213 | .max_tx_retries = 100, |
| 214 | .ap_aging_period = 300, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 215 | .tid_conf_count = 4, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 216 | .tid_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 217 | [CONF_TX_AC_BE] = { |
| 218 | .queue_id = CONF_TX_AC_BE, |
| 219 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 220 | .tsid = CONF_TX_AC_BE, |
| 221 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 222 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 223 | .apsd_conf = {0, 0}, |
| 224 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 225 | [CONF_TX_AC_BK] = { |
| 226 | .queue_id = CONF_TX_AC_BK, |
| 227 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 228 | .tsid = CONF_TX_AC_BK, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 229 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 230 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 231 | .apsd_conf = {0, 0}, |
| 232 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 233 | [CONF_TX_AC_VI] = { |
| 234 | .queue_id = CONF_TX_AC_VI, |
| 235 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 236 | .tsid = CONF_TX_AC_VI, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 237 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 238 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 239 | .apsd_conf = {0, 0}, |
| 240 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 241 | [CONF_TX_AC_VO] = { |
| 242 | .queue_id = CONF_TX_AC_VO, |
| 243 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 244 | .tsid = CONF_TX_AC_VO, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 245 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 246 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 247 | .apsd_conf = {0, 0}, |
| 248 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 249 | }, |
| 250 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 251 | .tx_compl_timeout = 700, |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 252 | .tx_compl_threshold = 4, |
| 253 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, |
| 254 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 255 | .tmpl_short_retry_limit = 10, |
| 256 | .tmpl_long_retry_limit = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 257 | }, |
| 258 | .conn = { |
| 259 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 260 | .listen_interval = 1, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 261 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 262 | .bcn_filt_ie_count = 2, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 263 | .bcn_filt_ie = { |
| 264 | [0] = { |
| 265 | .ie = WLAN_EID_CHANNEL_SWITCH, |
| 266 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 267 | }, |
| 268 | [1] = { |
| 269 | .ie = WLAN_EID_HT_INFORMATION, |
| 270 | .rule = CONF_BCN_RULE_PASS_ON_CHANGE, |
| 271 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 272 | }, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 273 | .synch_fail_thold = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 274 | .bss_lose_timeout = 100, |
| 275 | .beacon_rx_timeout = 10000, |
| 276 | .broadcast_timeout = 20000, |
| 277 | .rx_broadcast_in_ps = 1, |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 278 | .ps_poll_threshold = 10, |
| 279 | .ps_poll_recovery_period = 700, |
Juuso Oikarinen | 11f70f9 | 2009-10-13 12:47:46 +0300 | [diff] [blame] | 280 | .bet_enable = CONF_BET_MODE_ENABLE, |
Ohad Ben-Cohen | 958b20e0 | 2011-03-14 18:53:10 +0200 | [diff] [blame] | 281 | .bet_max_consecutive = 50, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 282 | .psm_entry_retries = 5, |
Shahar Levi | 2370841 | 2011-04-13 14:52:50 +0300 | [diff] [blame] | 283 | .psm_exit_retries = 16, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 284 | .psm_entry_nullfunc_retries = 3, |
| 285 | .psm_entry_hangover_period = 1, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 286 | .keep_alive_interval = 55000, |
| 287 | .max_listen_interval = 20, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 288 | }, |
Luciano Coelho | 6e92b41 | 2009-12-11 15:40:50 +0200 | [diff] [blame] | 289 | .itrim = { |
| 290 | .enable = false, |
| 291 | .timeout = 50000, |
Juuso Oikarinen | 38ad2d8 | 2009-12-11 15:41:08 +0200 | [diff] [blame] | 292 | }, |
| 293 | .pm_config = { |
| 294 | .host_clk_settling_time = 5000, |
| 295 | .host_fast_wakeup_support = false |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 296 | }, |
| 297 | .roam_trigger = { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 298 | .trigger_pacing = 1, |
| 299 | .avg_weight_rssi_beacon = 20, |
| 300 | .avg_weight_rssi_data = 10, |
| 301 | .avg_weight_snr_beacon = 20, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 302 | .avg_weight_snr_data = 10, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 303 | }, |
| 304 | .scan = { |
| 305 | .min_dwell_time_active = 7500, |
| 306 | .max_dwell_time_active = 30000, |
Juuso Oikarinen | ea45b2c | 2011-01-24 07:01:54 +0100 | [diff] [blame] | 307 | .min_dwell_time_passive = 100000, |
| 308 | .max_dwell_time_passive = 100000, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 309 | .num_probe_reqs = 2, |
| 310 | }, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 311 | .sched_scan = { |
| 312 | /* sched_scan requires dwell times in TU instead of TU/1000 */ |
| 313 | .min_dwell_time_active = 8, |
| 314 | .max_dwell_time_active = 30, |
| 315 | .dwell_time_passive = 100, |
Luciano Coelho | 50a66d7 | 2011-05-27 15:34:47 +0300 | [diff] [blame] | 316 | .dwell_time_dfs = 150, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 317 | .num_probe_reqs = 2, |
| 318 | .rssi_threshold = -90, |
| 319 | .snr_threshold = 0, |
| 320 | }, |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 321 | .rf = { |
| 322 | .tx_per_channel_power_compensation_2 = { |
| 323 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 324 | }, |
| 325 | .tx_per_channel_power_compensation_5 = { |
| 326 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 327 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 328 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 329 | }, |
| 330 | }, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 331 | .ht = { |
| 332 | .tx_ba_win_size = 64, |
| 333 | .inactivity_timeout = 10000, |
| 334 | }, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 335 | .mem_wl127x = { |
Eliad Peller | fe5ef09 | 2011-02-02 09:59:36 +0200 | [diff] [blame] | 336 | .num_stations = 1, |
| 337 | .ssid_profiles = 1, |
| 338 | .rx_block_num = 70, |
| 339 | .tx_min_block_num = 40, |
Ido Yariv | 4cf557f | 2011-04-18 16:45:10 +0300 | [diff] [blame] | 340 | .dynamic_memory = 1, |
Ido Yariv | b16d4b6 | 2011-03-01 15:14:44 +0200 | [diff] [blame] | 341 | .min_req_tx_blocks = 100, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 342 | .min_req_rx_blocks = 22, |
| 343 | .tx_min = 27, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 344 | }, |
| 345 | .mem_wl128x = { |
| 346 | .num_stations = 1, |
| 347 | .ssid_profiles = 1, |
| 348 | .rx_block_num = 40, |
| 349 | .tx_min_block_num = 40, |
| 350 | .dynamic_memory = 1, |
| 351 | .min_req_tx_blocks = 45, |
| 352 | .min_req_rx_blocks = 22, |
| 353 | .tx_min = 27, |
| 354 | }, |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 355 | .fm_coex = { |
| 356 | .enable = true, |
| 357 | .swallow_period = 5, |
| 358 | .n_divider_fref_set_1 = 0xff, /* default */ |
| 359 | .n_divider_fref_set_2 = 12, |
| 360 | .m_divider_fref_set_1 = 148, |
| 361 | .m_divider_fref_set_2 = 0xffff, /* default */ |
| 362 | .coex_pll_stabilization_time = 0xffffffff, /* default */ |
| 363 | .ldo_stabilization_time = 0xffff, /* default */ |
| 364 | .fm_disturbed_band_margin = 0xff, /* default */ |
| 365 | .swallow_clk_diff = 0xff, /* default */ |
| 366 | }, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 367 | .rx_streaming = { |
| 368 | .duration = 150, |
| 369 | .queues = 0x1, |
| 370 | .interval = 20, |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 371 | .always = 0, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 372 | }, |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 373 | .fwlog = { |
| 374 | .mode = WL12XX_FWLOG_ON_DEMAND, |
| 375 | .mem_blocks = 2, |
| 376 | .severity = 0, |
| 377 | .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, |
| 378 | .output = WL12XX_FWLOG_OUTPUT_HOST, |
| 379 | .threshold = 0, |
| 380 | }, |
Luciano Coelho | afb7d3c | 2011-04-01 20:48:02 +0300 | [diff] [blame] | 381 | .hci_io_ds = HCI_IO_DS_6MA, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 382 | }; |
| 383 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 384 | static char *fwlog_param; |
| 385 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 386 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 387 | bool reset_tx_queues); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 388 | static void wl1271_free_ap_keys(struct wl1271 *wl); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 389 | |
| 390 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 391 | static void wl1271_device_release(struct device *dev) |
| 392 | { |
| 393 | |
| 394 | } |
| 395 | |
| 396 | static struct platform_device wl1271_device = { |
| 397 | .name = "wl1271", |
| 398 | .id = -1, |
| 399 | |
| 400 | /* device model insists to have a release function */ |
| 401 | .dev = { |
| 402 | .release = wl1271_device_release, |
| 403 | }, |
| 404 | }; |
| 405 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 406 | static DEFINE_MUTEX(wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 407 | static LIST_HEAD(wl_list); |
| 408 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 409 | static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate) |
| 410 | { |
| 411 | int ret; |
| 412 | if (operstate != IF_OPER_UP) |
| 413 | return 0; |
| 414 | |
| 415 | if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) |
| 416 | return 0; |
| 417 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 418 | ret = wl12xx_cmd_set_peer_state(wl); |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 419 | if (ret < 0) |
| 420 | return ret; |
| 421 | |
| 422 | wl1271_info("Association completed."); |
| 423 | return 0; |
| 424 | } |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 425 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
| 426 | void *arg) |
| 427 | { |
| 428 | struct net_device *dev = arg; |
| 429 | struct wireless_dev *wdev; |
| 430 | struct wiphy *wiphy; |
| 431 | struct ieee80211_hw *hw; |
| 432 | struct wl1271 *wl; |
| 433 | struct wl1271 *wl_temp; |
| 434 | int ret = 0; |
| 435 | |
| 436 | /* Check that this notification is for us. */ |
| 437 | if (what != NETDEV_CHANGE) |
| 438 | return NOTIFY_DONE; |
| 439 | |
| 440 | wdev = dev->ieee80211_ptr; |
| 441 | if (wdev == NULL) |
| 442 | return NOTIFY_DONE; |
| 443 | |
| 444 | wiphy = wdev->wiphy; |
| 445 | if (wiphy == NULL) |
| 446 | return NOTIFY_DONE; |
| 447 | |
| 448 | hw = wiphy_priv(wiphy); |
| 449 | if (hw == NULL) |
| 450 | return NOTIFY_DONE; |
| 451 | |
| 452 | wl_temp = hw->priv; |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 453 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 454 | list_for_each_entry(wl, &wl_list, list) { |
| 455 | if (wl == wl_temp) |
| 456 | break; |
| 457 | } |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 458 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 459 | if (wl != wl_temp) |
| 460 | return NOTIFY_DONE; |
| 461 | |
| 462 | mutex_lock(&wl->mutex); |
| 463 | |
| 464 | if (wl->state == WL1271_STATE_OFF) |
| 465 | goto out; |
| 466 | |
| 467 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 468 | goto out; |
| 469 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 470 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 471 | if (ret < 0) |
| 472 | goto out; |
| 473 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 474 | wl1271_check_operstate(wl, dev->operstate); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 475 | |
| 476 | wl1271_ps_elp_sleep(wl); |
| 477 | |
| 478 | out: |
| 479 | mutex_unlock(&wl->mutex); |
| 480 | |
| 481 | return NOTIFY_OK; |
| 482 | } |
| 483 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 484 | static int wl1271_reg_notify(struct wiphy *wiphy, |
Luciano Coelho | 573c67c | 2010-11-26 13:44:59 +0200 | [diff] [blame] | 485 | struct regulatory_request *request) |
| 486 | { |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 487 | struct ieee80211_supported_band *band; |
| 488 | struct ieee80211_channel *ch; |
| 489 | int i; |
| 490 | |
| 491 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 492 | for (i = 0; i < band->n_channels; i++) { |
| 493 | ch = &band->channels[i]; |
| 494 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 495 | continue; |
| 496 | |
| 497 | if (ch->flags & IEEE80211_CHAN_RADAR) |
| 498 | ch->flags |= IEEE80211_CHAN_NO_IBSS | |
| 499 | IEEE80211_CHAN_PASSIVE_SCAN; |
| 500 | |
| 501 | } |
| 502 | |
| 503 | return 0; |
| 504 | } |
| 505 | |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 506 | static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable) |
| 507 | { |
| 508 | int ret = 0; |
| 509 | |
| 510 | /* we should hold wl->mutex */ |
| 511 | ret = wl1271_acx_ps_rx_streaming(wl, enable); |
| 512 | if (ret < 0) |
| 513 | goto out; |
| 514 | |
| 515 | if (enable) |
| 516 | set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 517 | else |
| 518 | clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 519 | out: |
| 520 | return ret; |
| 521 | } |
| 522 | |
| 523 | /* |
| 524 | * this function is being called when the rx_streaming interval |
| 525 | * has beed changed or rx_streaming should be disabled |
| 526 | */ |
| 527 | int wl1271_recalc_rx_streaming(struct wl1271 *wl) |
| 528 | { |
| 529 | int ret = 0; |
| 530 | int period = wl->conf.rx_streaming.interval; |
| 531 | |
| 532 | /* don't reconfigure if rx_streaming is disabled */ |
| 533 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 534 | goto out; |
| 535 | |
| 536 | /* reconfigure/disable according to new streaming_period */ |
| 537 | if (period && |
| 538 | test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) && |
| 539 | (wl->conf.rx_streaming.always || |
| 540 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 541 | ret = wl1271_set_rx_streaming(wl, true); |
| 542 | else { |
| 543 | ret = wl1271_set_rx_streaming(wl, false); |
| 544 | /* don't cancel_work_sync since we might deadlock */ |
| 545 | del_timer_sync(&wl->rx_streaming_timer); |
| 546 | } |
| 547 | out: |
| 548 | return ret; |
| 549 | } |
| 550 | |
| 551 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) |
| 552 | { |
| 553 | int ret; |
| 554 | struct wl1271 *wl = |
| 555 | container_of(work, struct wl1271, rx_streaming_enable_work); |
| 556 | |
| 557 | mutex_lock(&wl->mutex); |
| 558 | |
| 559 | if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || |
| 560 | !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || |
| 561 | (!wl->conf.rx_streaming.always && |
| 562 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 563 | goto out; |
| 564 | |
| 565 | if (!wl->conf.rx_streaming.interval) |
| 566 | goto out; |
| 567 | |
| 568 | ret = wl1271_ps_elp_wakeup(wl); |
| 569 | if (ret < 0) |
| 570 | goto out; |
| 571 | |
| 572 | ret = wl1271_set_rx_streaming(wl, true); |
| 573 | if (ret < 0) |
| 574 | goto out_sleep; |
| 575 | |
| 576 | /* stop it after some time of inactivity */ |
| 577 | mod_timer(&wl->rx_streaming_timer, |
| 578 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
| 579 | |
| 580 | out_sleep: |
| 581 | wl1271_ps_elp_sleep(wl); |
| 582 | out: |
| 583 | mutex_unlock(&wl->mutex); |
| 584 | } |
| 585 | |
| 586 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) |
| 587 | { |
| 588 | int ret; |
| 589 | struct wl1271 *wl = |
| 590 | container_of(work, struct wl1271, rx_streaming_disable_work); |
| 591 | |
| 592 | mutex_lock(&wl->mutex); |
| 593 | |
| 594 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 595 | goto out; |
| 596 | |
| 597 | ret = wl1271_ps_elp_wakeup(wl); |
| 598 | if (ret < 0) |
| 599 | goto out; |
| 600 | |
| 601 | ret = wl1271_set_rx_streaming(wl, false); |
| 602 | if (ret) |
| 603 | goto out_sleep; |
| 604 | |
| 605 | out_sleep: |
| 606 | wl1271_ps_elp_sleep(wl); |
| 607 | out: |
| 608 | mutex_unlock(&wl->mutex); |
| 609 | } |
| 610 | |
| 611 | static void wl1271_rx_streaming_timer(unsigned long data) |
| 612 | { |
| 613 | struct wl1271 *wl = (struct wl1271 *)data; |
| 614 | ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work); |
| 615 | } |
| 616 | |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 617 | static void wl1271_conf_init(struct wl1271 *wl) |
| 618 | { |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 619 | |
| 620 | /* |
| 621 | * This function applies the default configuration to the driver. This |
| 622 | * function is invoked upon driver load (spi probe.) |
| 623 | * |
| 624 | * The configuration is stored in a run-time structure in order to |
| 625 | * facilitate for run-time adjustment of any of the parameters. Making |
| 626 | * changes to the configuration structure will apply the new values on |
| 627 | * the next interface up (wl1271_op_start.) |
| 628 | */ |
| 629 | |
| 630 | /* apply driver default configuration */ |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 631 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 632 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 633 | /* Adjust settings according to optional module parameters */ |
| 634 | if (fwlog_param) { |
| 635 | if (!strcmp(fwlog_param, "continuous")) { |
| 636 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 637 | } else if (!strcmp(fwlog_param, "ondemand")) { |
| 638 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; |
| 639 | } else if (!strcmp(fwlog_param, "dbgpins")) { |
| 640 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 641 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; |
| 642 | } else if (!strcmp(fwlog_param, "disable")) { |
| 643 | wl->conf.fwlog.mem_blocks = 0; |
| 644 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; |
| 645 | } else { |
| 646 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); |
| 647 | } |
| 648 | } |
| 649 | } |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 650 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 651 | static int wl1271_plt_init(struct wl1271 *wl) |
| 652 | { |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 653 | struct conf_tx_ac_category *conf_ac; |
| 654 | struct conf_tx_tid *conf_tid; |
| 655 | int ret, i; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 656 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 657 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 658 | ret = wl128x_cmd_general_parms(wl); |
| 659 | else |
| 660 | ret = wl1271_cmd_general_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 661 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 662 | return ret; |
| 663 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 664 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 665 | ret = wl128x_cmd_radio_parms(wl); |
| 666 | else |
| 667 | ret = wl1271_cmd_radio_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 668 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 669 | return ret; |
| 670 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 671 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
| 672 | ret = wl1271_cmd_ext_radio_parms(wl); |
| 673 | if (ret < 0) |
| 674 | return ret; |
| 675 | } |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 676 | if (ret < 0) |
| 677 | return ret; |
| 678 | |
Shahar Levi | 48a6147 | 2011-03-06 16:32:08 +0200 | [diff] [blame] | 679 | /* Chip-specific initializations */ |
| 680 | ret = wl1271_chip_specific_init(wl); |
| 681 | if (ret < 0) |
| 682 | return ret; |
| 683 | |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 684 | ret = wl1271_sta_init_templates_config(wl); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 685 | if (ret < 0) |
| 686 | return ret; |
| 687 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 688 | ret = wl1271_acx_init_mem_config(wl); |
| 689 | if (ret < 0) |
| 690 | return ret; |
| 691 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 692 | /* PHY layer config */ |
| 693 | ret = wl1271_init_phy_config(wl); |
| 694 | if (ret < 0) |
| 695 | goto out_free_memmap; |
| 696 | |
| 697 | ret = wl1271_acx_dco_itrim_params(wl); |
| 698 | if (ret < 0) |
| 699 | goto out_free_memmap; |
| 700 | |
| 701 | /* Initialize connection monitoring thresholds */ |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 702 | ret = wl1271_acx_conn_monit_params(wl, false); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 703 | if (ret < 0) |
| 704 | goto out_free_memmap; |
| 705 | |
| 706 | /* Bluetooth WLAN coexistence */ |
| 707 | ret = wl1271_init_pta(wl); |
| 708 | if (ret < 0) |
| 709 | goto out_free_memmap; |
| 710 | |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 711 | /* FM WLAN coexistence */ |
| 712 | ret = wl1271_acx_fm_coex(wl); |
| 713 | if (ret < 0) |
| 714 | goto out_free_memmap; |
| 715 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 716 | /* Energy detection */ |
| 717 | ret = wl1271_init_energy_detection(wl); |
| 718 | if (ret < 0) |
| 719 | goto out_free_memmap; |
| 720 | |
Eliad Peller | 7f097988 | 2011-08-14 13:17:06 +0300 | [diff] [blame] | 721 | ret = wl12xx_acx_mem_cfg(wl); |
Gery Kahn | 1ec610e | 2011-02-01 03:03:08 -0600 | [diff] [blame] | 722 | if (ret < 0) |
| 723 | goto out_free_memmap; |
| 724 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 725 | /* Default fragmentation threshold */ |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 726 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 727 | if (ret < 0) |
| 728 | goto out_free_memmap; |
| 729 | |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 730 | /* Default TID/AC configuration */ |
| 731 | BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 732 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 733 | conf_ac = &wl->conf.tx.ac_conf[i]; |
| 734 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, |
| 735 | conf_ac->cw_max, conf_ac->aifsn, |
| 736 | conf_ac->tx_op_limit); |
| 737 | if (ret < 0) |
| 738 | goto out_free_memmap; |
| 739 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 740 | conf_tid = &wl->conf.tx.tid_conf[i]; |
| 741 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, |
| 742 | conf_tid->channel_type, |
| 743 | conf_tid->tsid, |
| 744 | conf_tid->ps_scheme, |
| 745 | conf_tid->ack_policy, |
| 746 | conf_tid->apsd_conf[0], |
| 747 | conf_tid->apsd_conf[1]); |
| 748 | if (ret < 0) |
| 749 | goto out_free_memmap; |
| 750 | } |
| 751 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 752 | /* Enable data path */ |
Luciano Coelho | 9421089 | 2009-12-11 15:40:55 +0200 | [diff] [blame] | 753 | ret = wl1271_cmd_data_path(wl, 1); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 754 | if (ret < 0) |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 755 | goto out_free_memmap; |
| 756 | |
| 757 | /* Configure for CAM power saving (ie. always active) */ |
| 758 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); |
| 759 | if (ret < 0) |
| 760 | goto out_free_memmap; |
| 761 | |
| 762 | /* configure PM */ |
| 763 | ret = wl1271_acx_pm_config(wl); |
| 764 | if (ret < 0) |
| 765 | goto out_free_memmap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 766 | |
| 767 | return 0; |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 768 | |
| 769 | out_free_memmap: |
| 770 | kfree(wl->target_mem_map); |
| 771 | wl->target_mem_map = NULL; |
| 772 | |
| 773 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 774 | } |
| 775 | |
Eliad Peller | dbe25cb | 2011-08-14 13:17:03 +0300 | [diff] [blame] | 776 | #if 0 |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 777 | static void wl1271_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_blks) |
| 778 | { |
| 779 | bool fw_ps; |
| 780 | |
| 781 | /* only regulate station links */ |
| 782 | if (hlid < WL1271_AP_STA_HLID_START) |
| 783 | return; |
| 784 | |
| 785 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
| 786 | |
| 787 | /* |
| 788 | * Wake up from high level PS if the STA is asleep with too little |
| 789 | * blocks in FW or if the STA is awake. |
| 790 | */ |
| 791 | if (!fw_ps || tx_blks < WL1271_PS_STA_MAX_BLOCKS) |
| 792 | wl1271_ps_link_end(wl, hlid); |
| 793 | |
| 794 | /* Start high-level PS if the STA is asleep with enough blocks in FW */ |
| 795 | else if (fw_ps && tx_blks >= WL1271_PS_STA_MAX_BLOCKS) |
| 796 | wl1271_ps_link_start(wl, hlid, true); |
| 797 | } |
| 798 | |
| 799 | static void wl1271_irq_update_links_status(struct wl1271 *wl, |
| 800 | struct wl1271_fw_ap_status *status) |
| 801 | { |
| 802 | u32 cur_fw_ps_map; |
| 803 | u8 hlid; |
| 804 | |
| 805 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); |
| 806 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
| 807 | wl1271_debug(DEBUG_PSM, |
| 808 | "link ps prev 0x%x cur 0x%x changed 0x%x", |
| 809 | wl->ap_fw_ps_map, cur_fw_ps_map, |
| 810 | wl->ap_fw_ps_map ^ cur_fw_ps_map); |
| 811 | |
| 812 | wl->ap_fw_ps_map = cur_fw_ps_map; |
| 813 | } |
| 814 | |
| 815 | for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) { |
| 816 | u8 cnt = status->tx_lnk_free_blks[hlid] - |
| 817 | wl->links[hlid].prev_freed_blks; |
| 818 | |
| 819 | wl->links[hlid].prev_freed_blks = |
| 820 | status->tx_lnk_free_blks[hlid]; |
| 821 | wl->links[hlid].allocated_blks -= cnt; |
| 822 | |
| 823 | wl1271_irq_ps_regulate_link(wl, hlid, |
| 824 | wl->links[hlid].allocated_blks); |
| 825 | } |
| 826 | } |
Eliad Peller | dbe25cb | 2011-08-14 13:17:03 +0300 | [diff] [blame] | 827 | #endif |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 828 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 829 | static void wl12xx_fw_status(struct wl1271 *wl, |
| 830 | struct wl12xx_fw_status *status) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 831 | { |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 832 | struct timespec ts; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 833 | u32 old_tx_blk_count = wl->tx_blocks_available; |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 834 | int avail, freed_blocks; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 835 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 836 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 837 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 838 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
| 839 | "drv_rx_counter = %d, tx_results_counter = %d)", |
| 840 | status->intr, |
| 841 | status->fw_rx_counter, |
| 842 | status->drv_rx_counter, |
| 843 | status->tx_results_counter); |
| 844 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 845 | freed_blocks = le32_to_cpu(status->total_released_blks) - |
| 846 | wl->tx_blocks_freed; |
| 847 | wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 848 | |
Arik Nemtsov | 7bb5d6c | 2011-08-14 13:17:00 +0300 | [diff] [blame] | 849 | wl->tx_allocated_blocks -= freed_blocks; |
| 850 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 851 | avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 852 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 853 | /* |
| 854 | * The FW might change the total number of TX memblocks before |
| 855 | * we get a notification about blocks being released. Thus, the |
| 856 | * available blocks calculation might yield a temporary result |
| 857 | * which is lower than the actual available blocks. Keeping in |
| 858 | * mind that only blocks that were allocated can be moved from |
| 859 | * TX to RX, tx_blocks_available should never decrease here. |
| 860 | */ |
| 861 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, |
| 862 | avail); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 863 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 864 | /* if more blocks are available now, tx work can be scheduled */ |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 865 | if (wl->tx_blocks_available > old_tx_blk_count) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 866 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 867 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 868 | /* for AP update num of allocated TX blocks per link and ps status */ |
| 869 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
| 870 | #if 0 |
| 871 | wl1271_irq_update_links_status(wl, status); |
| 872 | #endif |
| 873 | } |
| 874 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 875 | /* update the host-chipset time offset */ |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 876 | getnstimeofday(&ts); |
| 877 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - |
| 878 | (s64)le32_to_cpu(status->fw_localtime); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 879 | } |
| 880 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 881 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
| 882 | { |
| 883 | struct sk_buff *skb; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 884 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 885 | /* Pass all received frames to the network stack */ |
| 886 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) |
| 887 | ieee80211_rx_ni(wl->hw, skb); |
| 888 | |
| 889 | /* Return sent skbs to the network stack */ |
| 890 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) |
Eliad Peller | c27d3ac | 2011-06-07 10:40:39 +0300 | [diff] [blame] | 891 | ieee80211_tx_status_ni(wl->hw, skb); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 892 | } |
| 893 | |
| 894 | static void wl1271_netstack_work(struct work_struct *work) |
| 895 | { |
| 896 | struct wl1271 *wl = |
| 897 | container_of(work, struct wl1271, netstack_work); |
| 898 | |
| 899 | do { |
| 900 | wl1271_flush_deferred_work(wl); |
| 901 | } while (skb_queue_len(&wl->deferred_rx_queue)); |
| 902 | } |
| 903 | |
| 904 | #define WL1271_IRQ_MAX_LOOPS 256 |
| 905 | |
| 906 | irqreturn_t wl1271_irq(int irq, void *cookie) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 907 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 908 | int ret; |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 909 | u32 intr; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 910 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 911 | struct wl1271 *wl = (struct wl1271 *)cookie; |
| 912 | bool done = false; |
| 913 | unsigned int defer_count; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 914 | unsigned long flags; |
| 915 | |
| 916 | /* TX might be handled here, avoid redundant work */ |
| 917 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 918 | cancel_work_sync(&wl->tx_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 919 | |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 920 | /* |
| 921 | * In case edge triggered interrupt must be used, we cannot iterate |
| 922 | * more than once without introducing race conditions with the hardirq. |
| 923 | */ |
| 924 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) |
| 925 | loopcount = 1; |
| 926 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 927 | mutex_lock(&wl->mutex); |
| 928 | |
| 929 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
| 930 | |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 931 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 932 | goto out; |
| 933 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 934 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 935 | if (ret < 0) |
| 936 | goto out; |
| 937 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 938 | while (!done && loopcount--) { |
| 939 | /* |
| 940 | * In order to avoid a race with the hardirq, clear the flag |
| 941 | * before acknowledging the chip. Since the mutex is held, |
| 942 | * wl1271_ps_elp_wakeup cannot be called concurrently. |
| 943 | */ |
| 944 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
| 945 | smp_mb__after_clear_bit(); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 946 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 947 | wl12xx_fw_status(wl, wl->fw_status); |
| 948 | intr = le32_to_cpu(wl->fw_status->intr); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 949 | intr &= WL1271_INTR_MASK; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 950 | if (!intr) { |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 951 | done = true; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 952 | continue; |
| 953 | } |
| 954 | |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 955 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
| 956 | wl1271_error("watchdog interrupt received! " |
| 957 | "starting recovery."); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 958 | wl12xx_queue_recovery_work(wl); |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 959 | |
| 960 | /* restarting the chip. ignore any other interrupt. */ |
| 961 | goto out; |
| 962 | } |
| 963 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 964 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 965 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
| 966 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 967 | wl12xx_rx(wl, wl->fw_status); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 968 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 969 | /* Check if any tx blocks were freed */ |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 970 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 971 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 972 | wl1271_tx_total_queue_count(wl) > 0) { |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 973 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 974 | /* |
| 975 | * In order to avoid starvation of the TX path, |
| 976 | * call the work function directly. |
| 977 | */ |
| 978 | wl1271_tx_work_locked(wl); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 979 | } else { |
| 980 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 981 | } |
| 982 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 983 | /* check for tx results */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 984 | if (wl->fw_status->tx_results_counter != |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 985 | (wl->tx_results_count & 0xff)) |
| 986 | wl1271_tx_complete(wl); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 987 | |
| 988 | /* Make sure the deferred queues don't get too long */ |
| 989 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + |
| 990 | skb_queue_len(&wl->deferred_rx_queue); |
| 991 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) |
| 992 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
| 996 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
| 997 | wl1271_event_handle(wl, 0); |
| 998 | } |
| 999 | |
| 1000 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
| 1001 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); |
| 1002 | wl1271_event_handle(wl, 1); |
| 1003 | } |
| 1004 | |
| 1005 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
| 1006 | wl1271_debug(DEBUG_IRQ, |
| 1007 | "WL1271_ACX_INTR_INIT_COMPLETE"); |
| 1008 | |
| 1009 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
| 1010 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1011 | } |
| 1012 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1013 | wl1271_ps_elp_sleep(wl); |
| 1014 | |
| 1015 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1016 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1017 | /* In case TX was not handled here, queue TX work */ |
| 1018 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 1019 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1020 | wl1271_tx_total_queue_count(wl) > 0) |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1021 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 1022 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1023 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1024 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1025 | |
| 1026 | return IRQ_HANDLED; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1027 | } |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1028 | EXPORT_SYMBOL_GPL(wl1271_irq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1029 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1030 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
| 1031 | { |
| 1032 | const struct firmware *fw; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1033 | const char *fw_name; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1034 | int ret; |
| 1035 | |
Arik Nemtsov | c302b2c | 2011-08-17 10:45:48 +0300 | [diff] [blame] | 1036 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 1037 | fw_name = WL128X_FW_NAME; |
| 1038 | else |
| 1039 | fw_name = WL127X_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1040 | |
| 1041 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); |
| 1042 | |
| 1043 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1044 | |
| 1045 | if (ret < 0) { |
| 1046 | wl1271_error("could not get firmware: %d", ret); |
| 1047 | return ret; |
| 1048 | } |
| 1049 | |
| 1050 | if (fw->size % 4) { |
| 1051 | wl1271_error("firmware size is not multiple of 32 bits: %zu", |
| 1052 | fw->size); |
| 1053 | ret = -EILSEQ; |
| 1054 | goto out; |
| 1055 | } |
| 1056 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1057 | vfree(wl->fw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1058 | wl->fw_len = fw->size; |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 1059 | wl->fw = vmalloc(wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1060 | |
| 1061 | if (!wl->fw) { |
| 1062 | wl1271_error("could not allocate memory for the firmware"); |
| 1063 | ret = -ENOMEM; |
| 1064 | goto out; |
| 1065 | } |
| 1066 | |
| 1067 | memcpy(wl->fw, fw->data, wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1068 | ret = 0; |
| 1069 | |
| 1070 | out: |
| 1071 | release_firmware(fw); |
| 1072 | |
| 1073 | return ret; |
| 1074 | } |
| 1075 | |
| 1076 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
| 1077 | { |
| 1078 | const struct firmware *fw; |
| 1079 | int ret; |
| 1080 | |
Shahar Levi | 5aa4234 | 2011-03-06 16:32:07 +0200 | [diff] [blame] | 1081 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1082 | |
| 1083 | if (ret < 0) { |
| 1084 | wl1271_error("could not get nvs file: %d", ret); |
| 1085 | return ret; |
| 1086 | } |
| 1087 | |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 1088 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1089 | |
| 1090 | if (!wl->nvs) { |
| 1091 | wl1271_error("could not allocate memory for the nvs file"); |
| 1092 | ret = -ENOMEM; |
| 1093 | goto out; |
| 1094 | } |
| 1095 | |
Juuso Oikarinen | 02fabb0 | 2010-08-19 04:41:15 +0200 | [diff] [blame] | 1096 | wl->nvs_len = fw->size; |
| 1097 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1098 | out: |
| 1099 | release_firmware(fw); |
| 1100 | |
| 1101 | return ret; |
| 1102 | } |
| 1103 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1104 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
| 1105 | { |
| 1106 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
| 1107 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 1108 | } |
| 1109 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1110 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
| 1111 | { |
| 1112 | size_t len = 0; |
| 1113 | |
| 1114 | /* The FW log is a length-value list, find where the log end */ |
| 1115 | while (len < maxlen) { |
| 1116 | if (memblock[len] == 0) |
| 1117 | break; |
| 1118 | if (len + memblock[len] + 1 > maxlen) |
| 1119 | break; |
| 1120 | len += memblock[len] + 1; |
| 1121 | } |
| 1122 | |
| 1123 | /* Make sure we have enough room */ |
| 1124 | len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size)); |
| 1125 | |
| 1126 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ |
| 1127 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); |
| 1128 | wl->fwlog_size += len; |
| 1129 | |
| 1130 | return len; |
| 1131 | } |
| 1132 | |
| 1133 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) |
| 1134 | { |
| 1135 | u32 addr; |
| 1136 | u32 first_addr; |
| 1137 | u8 *block; |
| 1138 | |
| 1139 | if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
| 1140 | (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || |
| 1141 | (wl->conf.fwlog.mem_blocks == 0)) |
| 1142 | return; |
| 1143 | |
| 1144 | wl1271_info("Reading FW panic log"); |
| 1145 | |
| 1146 | block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL); |
| 1147 | if (!block) |
| 1148 | return; |
| 1149 | |
| 1150 | /* |
| 1151 | * Make sure the chip is awake and the logger isn't active. |
| 1152 | * This might fail if the firmware hanged. |
| 1153 | */ |
| 1154 | if (!wl1271_ps_elp_wakeup(wl)) |
| 1155 | wl12xx_cmd_stop_fwlog(wl); |
| 1156 | |
| 1157 | /* Read the first memory block address */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 1158 | wl12xx_fw_status(wl, wl->fw_status); |
| 1159 | first_addr = le32_to_cpu(wl->fw_status->log_start_addr); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1160 | if (!first_addr) |
| 1161 | goto out; |
| 1162 | |
| 1163 | /* Traverse the memory blocks linked list */ |
| 1164 | addr = first_addr; |
| 1165 | do { |
| 1166 | memset(block, 0, WL12XX_HW_BLOCK_SIZE); |
| 1167 | wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, |
| 1168 | false); |
| 1169 | |
| 1170 | /* |
| 1171 | * Memory blocks are linked to one another. The first 4 bytes |
| 1172 | * of each memory block hold the hardware address of the next |
| 1173 | * one. The last memory block points to the first one. |
| 1174 | */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 1175 | addr = le32_to_cpup((__le32 *)block); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1176 | if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), |
| 1177 | WL12XX_HW_BLOCK_SIZE - sizeof(addr))) |
| 1178 | break; |
| 1179 | } while (addr && (addr != first_addr)); |
| 1180 | |
| 1181 | wake_up_interruptible(&wl->fwlog_waitq); |
| 1182 | |
| 1183 | out: |
| 1184 | kfree(block); |
| 1185 | } |
| 1186 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1187 | static void wl1271_recovery_work(struct work_struct *work) |
| 1188 | { |
| 1189 | struct wl1271 *wl = |
| 1190 | container_of(work, struct wl1271, recovery_work); |
| 1191 | |
| 1192 | mutex_lock(&wl->mutex); |
| 1193 | |
| 1194 | if (wl->state != WL1271_STATE_ON) |
| 1195 | goto out; |
| 1196 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1197 | /* Avoid a recursive recovery */ |
| 1198 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1199 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1200 | wl12xx_read_fwlog_panic(wl); |
| 1201 | |
Arik Nemtsov | 52dcaf5 | 2011-04-18 14:15:24 +0300 | [diff] [blame] | 1202 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
| 1203 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1204 | |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 1205 | /* |
| 1206 | * Advance security sequence number to overcome potential progress |
| 1207 | * in the firmware during recovery. This doens't hurt if the network is |
| 1208 | * not encrypted. |
| 1209 | */ |
| 1210 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || |
| 1211 | test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) |
| 1212 | wl->tx_security_seq += WL1271_TX_SQN_POST_RECOVERY_PADDING; |
| 1213 | |
Juuso Oikarinen | d25611d | 2010-09-30 10:43:27 +0200 | [diff] [blame] | 1214 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1215 | ieee80211_connection_loss(wl->vif); |
| 1216 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1217 | /* Prevent spurious TX during FW restart */ |
| 1218 | ieee80211_stop_queues(wl->hw); |
| 1219 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 1220 | if (wl->sched_scanning) { |
| 1221 | ieee80211_sched_scan_stopped(wl->hw); |
| 1222 | wl->sched_scanning = false; |
| 1223 | } |
| 1224 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1225 | /* reboot the chipset */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1226 | __wl1271_op_remove_interface(wl, false); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1227 | |
| 1228 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1229 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1230 | ieee80211_restart_hw(wl->hw); |
| 1231 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1232 | /* |
| 1233 | * Its safe to enable TX now - the queues are stopped after a request |
| 1234 | * to restart the HW. |
| 1235 | */ |
| 1236 | ieee80211_wake_queues(wl->hw); |
| 1237 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1238 | out: |
| 1239 | mutex_unlock(&wl->mutex); |
| 1240 | } |
| 1241 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1242 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
| 1243 | { |
| 1244 | u32 elp_reg; |
| 1245 | |
| 1246 | elp_reg = ELPCTRL_WAKE_UP; |
Juuso Oikarinen | 7462141 | 2009-10-12 15:08:54 +0300 | [diff] [blame] | 1247 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1248 | } |
| 1249 | |
| 1250 | static int wl1271_setup(struct wl1271 *wl) |
| 1251 | { |
| 1252 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
| 1253 | if (!wl->fw_status) |
| 1254 | return -ENOMEM; |
| 1255 | |
| 1256 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
| 1257 | if (!wl->tx_res_if) { |
| 1258 | kfree(wl->fw_status); |
| 1259 | return -ENOMEM; |
| 1260 | } |
| 1261 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1262 | return 0; |
| 1263 | } |
| 1264 | |
| 1265 | static int wl1271_chip_wakeup(struct wl1271 *wl) |
| 1266 | { |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1267 | struct wl1271_partition_set partition; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1268 | int ret = 0; |
| 1269 | |
Juuso Oikarinen | 01ac17e | 2009-12-11 15:41:02 +0200 | [diff] [blame] | 1270 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
Ohad Ben-Cohen | 2cc78ff | 2010-09-16 01:22:04 +0200 | [diff] [blame] | 1271 | ret = wl1271_power_on(wl); |
| 1272 | if (ret < 0) |
| 1273 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1274 | msleep(WL1271_POWER_ON_SLEEP); |
Teemu Paasikivi | 9b28072 | 2010-02-18 13:25:56 +0200 | [diff] [blame] | 1275 | wl1271_io_reset(wl); |
| 1276 | wl1271_io_init(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1277 | |
| 1278 | /* We don't need a real memory partition here, because we only want |
| 1279 | * to use the registers at this point. */ |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1280 | memset(&partition, 0, sizeof(partition)); |
| 1281 | partition.reg.start = REGISTERS_BASE; |
| 1282 | partition.reg.size = REGISTERS_DOWN_SIZE; |
| 1283 | wl1271_set_partition(wl, &partition); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1284 | |
| 1285 | /* ELP module wake up */ |
| 1286 | wl1271_fw_wakeup(wl); |
| 1287 | |
| 1288 | /* whal_FwCtrl_BootSm() */ |
| 1289 | |
| 1290 | /* 0. read chip id from CHIP_ID */ |
Teemu Paasikivi | 7b048c5 | 2010-02-18 13:25:55 +0200 | [diff] [blame] | 1291 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1292 | |
| 1293 | /* 1. check if chip id is valid */ |
| 1294 | |
| 1295 | switch (wl->chip.id) { |
| 1296 | case CHIP_ID_1271_PG10: |
| 1297 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", |
| 1298 | wl->chip.id); |
| 1299 | |
| 1300 | ret = wl1271_setup(wl); |
| 1301 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1302 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1303 | break; |
| 1304 | case CHIP_ID_1271_PG20: |
| 1305 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", |
| 1306 | wl->chip.id); |
| 1307 | |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1308 | /* |
| 1309 | * 'end-of-transaction flag' and 'LPD mode flag' |
| 1310 | * should be set in wl127x AP mode only |
| 1311 | */ |
Shahar Levi | 564f595 | 2011-04-04 10:20:39 +0300 | [diff] [blame] | 1312 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1313 | wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION | |
| 1314 | WL12XX_QUIRK_LPD_MODE); |
Shahar Levi | 564f595 | 2011-04-04 10:20:39 +0300 | [diff] [blame] | 1315 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1316 | ret = wl1271_setup(wl); |
| 1317 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1318 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1319 | break; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1320 | case CHIP_ID_1283_PG20: |
| 1321 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", |
| 1322 | wl->chip.id); |
| 1323 | |
| 1324 | ret = wl1271_setup(wl); |
| 1325 | if (ret < 0) |
| 1326 | goto out; |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1327 | |
Ido Yariv | 0da13da | 2011-03-31 10:06:58 +0200 | [diff] [blame] | 1328 | if (wl1271_set_block_size(wl)) |
| 1329 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1330 | break; |
| 1331 | case CHIP_ID_1283_PG10: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1332 | default: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1333 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1334 | ret = -ENODEV; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1335 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1336 | } |
| 1337 | |
Arik Nemtsov | c302b2c | 2011-08-17 10:45:48 +0300 | [diff] [blame] | 1338 | if (wl->fw == NULL) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1339 | ret = wl1271_fetch_firmware(wl); |
| 1340 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1341 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1342 | } |
| 1343 | |
| 1344 | /* No NVS from netlink, try to get it from the filesystem */ |
| 1345 | if (wl->nvs == NULL) { |
| 1346 | ret = wl1271_fetch_nvs(wl); |
| 1347 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1348 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1349 | } |
| 1350 | |
| 1351 | out: |
| 1352 | return ret; |
| 1353 | } |
| 1354 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1355 | int wl1271_plt_start(struct wl1271 *wl) |
| 1356 | { |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1357 | int retries = WL1271_BOOT_RETRIES; |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1358 | struct wiphy *wiphy = wl->hw->wiphy; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1359 | int ret; |
| 1360 | |
| 1361 | mutex_lock(&wl->mutex); |
| 1362 | |
| 1363 | wl1271_notice("power up"); |
| 1364 | |
| 1365 | if (wl->state != WL1271_STATE_OFF) { |
| 1366 | wl1271_error("cannot go into PLT state because not " |
| 1367 | "in off state: %d", wl->state); |
| 1368 | ret = -EBUSY; |
| 1369 | goto out; |
| 1370 | } |
| 1371 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1372 | wl->bss_type = BSS_TYPE_STA_BSS; |
| 1373 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1374 | while (retries) { |
| 1375 | retries--; |
| 1376 | ret = wl1271_chip_wakeup(wl); |
| 1377 | if (ret < 0) |
| 1378 | goto power_off; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1379 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1380 | ret = wl1271_boot(wl); |
| 1381 | if (ret < 0) |
| 1382 | goto power_off; |
| 1383 | |
| 1384 | ret = wl1271_plt_init(wl); |
| 1385 | if (ret < 0) |
| 1386 | goto irq_disable; |
| 1387 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1388 | wl->state = WL1271_STATE_PLT; |
| 1389 | wl1271_notice("firmware booted in PLT mode (%s)", |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1390 | wl->chip.fw_ver_str); |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1391 | |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1392 | /* update hw/fw version info in wiphy struct */ |
| 1393 | wiphy->hw_version = wl->chip.id; |
| 1394 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
| 1395 | sizeof(wiphy->fw_version)); |
| 1396 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1397 | goto out; |
| 1398 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1399 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1400 | mutex_unlock(&wl->mutex); |
| 1401 | /* Unlocking the mutex in the middle of handling is |
| 1402 | inherently unsafe. In this case we deem it safe to do, |
| 1403 | because we need to let any possibly pending IRQ out of |
| 1404 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1405 | work function will not do anything.) Also, any other |
| 1406 | possible concurrent operations will fail due to the |
| 1407 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1408 | wl1271_disable_interrupts(wl); |
| 1409 | wl1271_flush_deferred_work(wl); |
| 1410 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1411 | mutex_lock(&wl->mutex); |
| 1412 | power_off: |
| 1413 | wl1271_power_off(wl); |
| 1414 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1415 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1416 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
| 1417 | WL1271_BOOT_RETRIES); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1418 | out: |
| 1419 | mutex_unlock(&wl->mutex); |
| 1420 | |
| 1421 | return ret; |
| 1422 | } |
| 1423 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 1424 | static int __wl1271_plt_stop(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1425 | { |
| 1426 | int ret = 0; |
| 1427 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1428 | wl1271_notice("power down"); |
| 1429 | |
| 1430 | if (wl->state != WL1271_STATE_PLT) { |
| 1431 | wl1271_error("cannot power down because not in PLT " |
| 1432 | "state: %d", wl->state); |
| 1433 | ret = -EBUSY; |
| 1434 | goto out; |
| 1435 | } |
| 1436 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1437 | wl1271_power_off(wl); |
| 1438 | |
| 1439 | wl->state = WL1271_STATE_OFF; |
Luciano Coelho | bd5ea18 | 2009-10-13 12:47:58 +0300 | [diff] [blame] | 1440 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1441 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1442 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1443 | wl1271_disable_interrupts(wl); |
| 1444 | wl1271_flush_deferred_work(wl); |
| 1445 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1446 | cancel_work_sync(&wl->recovery_work); |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1447 | mutex_lock(&wl->mutex); |
| 1448 | out: |
| 1449 | return ret; |
| 1450 | } |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1451 | |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1452 | int wl1271_plt_stop(struct wl1271 *wl) |
| 1453 | { |
| 1454 | int ret; |
| 1455 | |
| 1456 | mutex_lock(&wl->mutex); |
| 1457 | ret = __wl1271_plt_stop(wl); |
| 1458 | mutex_unlock(&wl->mutex); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1459 | return ret; |
| 1460 | } |
| 1461 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 1462 | 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] | 1463 | { |
| 1464 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1465 | unsigned long flags; |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1466 | int q, mapping; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1467 | u8 hlid = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1468 | |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1469 | mapping = skb_get_queue_mapping(skb); |
| 1470 | q = wl1271_tx_get_queue(mapping); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1471 | |
| 1472 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1473 | hlid = wl1271_tx_get_hlid(skb); |
| 1474 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1475 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1476 | |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1477 | wl->tx_queue_count[q]++; |
Arik Nemtsov | f4d08dd | 2011-02-23 00:22:24 +0200 | [diff] [blame] | 1478 | |
| 1479 | /* |
| 1480 | * The workqueue is slow to process the tx_queue and we need stop |
| 1481 | * the queue here, otherwise the queue will get too long. |
| 1482 | */ |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1483 | if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1484 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
| 1485 | ieee80211_stop_queue(wl->hw, mapping); |
| 1486 | set_bit(q, &wl->stopped_queues_map); |
Arik Nemtsov | f4d08dd | 2011-02-23 00:22:24 +0200 | [diff] [blame] | 1487 | } |
| 1488 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1489 | /* queue the packet */ |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1490 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1491 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
| 1492 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
| 1493 | } else { |
| 1494 | skb_queue_tail(&wl->tx_queue[q], skb); |
| 1495 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1496 | |
| 1497 | /* |
| 1498 | * The chip specific setup must run before the first TX packet - |
| 1499 | * before that, the tx_work will not be initialized! |
| 1500 | */ |
| 1501 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1502 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1503 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1504 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1505 | |
| 1506 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1507 | } |
| 1508 | |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1509 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
| 1510 | { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1511 | unsigned long flags; |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1512 | int q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1513 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1514 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1515 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1516 | wl->tx_queue_count[q]++; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1517 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1518 | |
| 1519 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ |
| 1520 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
| 1521 | wl1271_tx_work_locked(wl); |
| 1522 | |
| 1523 | /* |
| 1524 | * If the FW TX is busy, TX work will be scheduled by the threaded |
| 1525 | * interrupt handler function |
| 1526 | */ |
| 1527 | return 0; |
| 1528 | } |
| 1529 | |
| 1530 | /* |
| 1531 | * The size of the dummy packet should be at least 1400 bytes. However, in |
| 1532 | * order to minimize the number of bus transactions, aligning it to 512 bytes |
| 1533 | * boundaries could be beneficial, performance wise |
| 1534 | */ |
| 1535 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) |
| 1536 | |
Luciano Coelho | cf27d86 | 2011-04-01 21:08:23 +0300 | [diff] [blame] | 1537 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1538 | { |
| 1539 | struct sk_buff *skb; |
| 1540 | struct ieee80211_hdr_3addr *hdr; |
| 1541 | unsigned int dummy_packet_size; |
| 1542 | |
| 1543 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - |
| 1544 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); |
| 1545 | |
| 1546 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1547 | if (!skb) { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1548 | wl1271_warning("Failed to allocate a dummy packet skb"); |
| 1549 | return NULL; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1550 | } |
| 1551 | |
| 1552 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); |
| 1553 | |
| 1554 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); |
| 1555 | memset(hdr, 0, sizeof(*hdr)); |
| 1556 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1557 | IEEE80211_STYPE_NULLFUNC | |
| 1558 | IEEE80211_FCTL_TODS); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1559 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1560 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1561 | |
Luciano Coelho | 18b92ff | 2011-03-21 16:35:21 +0200 | [diff] [blame] | 1562 | /* Dummy packets require the TID to be management */ |
| 1563 | skb->priority = WL1271_TID_MGMT; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1564 | |
| 1565 | /* Initialize all fields that might be used */ |
Hauke Mehrtens | 86c438f | 2011-04-26 23:27:44 +0200 | [diff] [blame] | 1566 | skb_set_queue_mapping(skb, 0); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1567 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1568 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1569 | return skb; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1570 | } |
| 1571 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1572 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 1573 | static struct notifier_block wl1271_dev_notifier = { |
| 1574 | .notifier_call = wl1271_dev_notify, |
| 1575 | }; |
| 1576 | |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1577 | #ifdef CONFIG_PM |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1578 | static int wl1271_configure_suspend_sta(struct wl1271 *wl) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1579 | { |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1580 | int ret = 0; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1581 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1582 | mutex_lock(&wl->mutex); |
| 1583 | |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1584 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1585 | goto out_unlock; |
| 1586 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1587 | ret = wl1271_ps_elp_wakeup(wl); |
| 1588 | if (ret < 0) |
| 1589 | goto out_unlock; |
| 1590 | |
| 1591 | /* enter psm if needed*/ |
| 1592 | if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
| 1593 | DECLARE_COMPLETION_ONSTACK(compl); |
| 1594 | |
| 1595 | wl->ps_compl = &compl; |
| 1596 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
| 1597 | wl->basic_rate, true); |
| 1598 | if (ret < 0) |
| 1599 | goto out_sleep; |
| 1600 | |
| 1601 | /* we must unlock here so we will be able to get events */ |
| 1602 | wl1271_ps_elp_sleep(wl); |
| 1603 | mutex_unlock(&wl->mutex); |
| 1604 | |
| 1605 | ret = wait_for_completion_timeout( |
| 1606 | &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); |
| 1607 | if (ret <= 0) { |
| 1608 | wl1271_warning("couldn't enter ps mode!"); |
| 1609 | ret = -EBUSY; |
| 1610 | goto out; |
| 1611 | } |
| 1612 | |
| 1613 | /* take mutex again, and wakeup */ |
| 1614 | mutex_lock(&wl->mutex); |
| 1615 | |
| 1616 | ret = wl1271_ps_elp_wakeup(wl); |
| 1617 | if (ret < 0) |
| 1618 | goto out_unlock; |
| 1619 | } |
| 1620 | out_sleep: |
| 1621 | wl1271_ps_elp_sleep(wl); |
| 1622 | out_unlock: |
| 1623 | mutex_unlock(&wl->mutex); |
| 1624 | out: |
| 1625 | return ret; |
| 1626 | |
| 1627 | } |
| 1628 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1629 | static int wl1271_configure_suspend_ap(struct wl1271 *wl) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1630 | { |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1631 | int ret = 0; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1632 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1633 | mutex_lock(&wl->mutex); |
| 1634 | |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1635 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) |
| 1636 | goto out_unlock; |
| 1637 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1638 | ret = wl1271_ps_elp_wakeup(wl); |
| 1639 | if (ret < 0) |
| 1640 | goto out_unlock; |
| 1641 | |
| 1642 | ret = wl1271_acx_set_ap_beacon_filter(wl, true); |
| 1643 | |
| 1644 | wl1271_ps_elp_sleep(wl); |
| 1645 | out_unlock: |
| 1646 | mutex_unlock(&wl->mutex); |
| 1647 | return ret; |
| 1648 | |
| 1649 | } |
| 1650 | |
| 1651 | static int wl1271_configure_suspend(struct wl1271 *wl) |
| 1652 | { |
| 1653 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
| 1654 | return wl1271_configure_suspend_sta(wl); |
| 1655 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1656 | return wl1271_configure_suspend_ap(wl); |
| 1657 | return 0; |
| 1658 | } |
| 1659 | |
| 1660 | static void wl1271_configure_resume(struct wl1271 *wl) |
| 1661 | { |
| 1662 | int ret; |
| 1663 | bool is_sta = wl->bss_type == BSS_TYPE_STA_BSS; |
| 1664 | bool is_ap = wl->bss_type == BSS_TYPE_AP_BSS; |
| 1665 | |
| 1666 | if (!is_sta && !is_ap) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1667 | return; |
| 1668 | |
| 1669 | mutex_lock(&wl->mutex); |
| 1670 | ret = wl1271_ps_elp_wakeup(wl); |
| 1671 | if (ret < 0) |
| 1672 | goto out; |
| 1673 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1674 | if (is_sta) { |
| 1675 | /* exit psm if it wasn't configured */ |
| 1676 | if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) |
| 1677 | wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
| 1678 | wl->basic_rate, true); |
| 1679 | } else if (is_ap) { |
| 1680 | wl1271_acx_set_ap_beacon_filter(wl, false); |
| 1681 | } |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1682 | |
| 1683 | wl1271_ps_elp_sleep(wl); |
| 1684 | out: |
| 1685 | mutex_unlock(&wl->mutex); |
| 1686 | } |
| 1687 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1688 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
| 1689 | struct cfg80211_wowlan *wow) |
| 1690 | { |
| 1691 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1692 | int ret; |
| 1693 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1694 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1695 | WARN_ON(!wow || !wow->any); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1696 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1697 | wl->wow_enabled = true; |
| 1698 | ret = wl1271_configure_suspend(wl); |
| 1699 | if (ret < 0) { |
| 1700 | wl1271_warning("couldn't prepare device to suspend"); |
| 1701 | return ret; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1702 | } |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1703 | /* flush any remaining work */ |
| 1704 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1705 | |
| 1706 | /* |
| 1707 | * disable and re-enable interrupts in order to flush |
| 1708 | * the threaded_irq |
| 1709 | */ |
| 1710 | wl1271_disable_interrupts(wl); |
| 1711 | |
| 1712 | /* |
| 1713 | * set suspended flag to avoid triggering a new threaded_irq |
| 1714 | * work. no need for spinlock as interrupts are disabled. |
| 1715 | */ |
| 1716 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1717 | |
| 1718 | wl1271_enable_interrupts(wl); |
| 1719 | flush_work(&wl->tx_work); |
| 1720 | flush_delayed_work(&wl->pspoll_work); |
| 1721 | flush_delayed_work(&wl->elp_work); |
| 1722 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1723 | return 0; |
| 1724 | } |
| 1725 | |
| 1726 | static int wl1271_op_resume(struct ieee80211_hw *hw) |
| 1727 | { |
| 1728 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1729 | unsigned long flags; |
| 1730 | bool run_irq_work = false; |
| 1731 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1732 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
| 1733 | wl->wow_enabled); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1734 | WARN_ON(!wl->wow_enabled); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1735 | |
| 1736 | /* |
| 1737 | * re-enable irq_work enqueuing, and call irq_work directly if |
| 1738 | * there is a pending work. |
| 1739 | */ |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1740 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1741 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1742 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) |
| 1743 | run_irq_work = true; |
| 1744 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1745 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1746 | if (run_irq_work) { |
| 1747 | wl1271_debug(DEBUG_MAC80211, |
| 1748 | "run postponed irq_work directly"); |
| 1749 | wl1271_irq(0, wl); |
| 1750 | wl1271_enable_interrupts(wl); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1751 | } |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1752 | wl1271_configure_resume(wl); |
Eliad Peller | ff91afc | 2011-06-06 12:21:53 +0300 | [diff] [blame] | 1753 | wl->wow_enabled = false; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1754 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1755 | return 0; |
| 1756 | } |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1757 | #endif |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1758 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1759 | static int wl1271_op_start(struct ieee80211_hw *hw) |
| 1760 | { |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1761 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); |
| 1762 | |
| 1763 | /* |
| 1764 | * We have to delay the booting of the hardware because |
| 1765 | * we need to know the local MAC address before downloading and |
| 1766 | * initializing the firmware. The MAC address cannot be changed |
| 1767 | * after boot, and without the proper MAC address, the firmware |
| 1768 | * will not function properly. |
| 1769 | * |
| 1770 | * The MAC address is first known when the corresponding interface |
| 1771 | * is added. That is where we will initialize the hardware. |
| 1772 | */ |
| 1773 | |
| 1774 | return 0; |
| 1775 | } |
| 1776 | |
| 1777 | static void wl1271_op_stop(struct ieee80211_hw *hw) |
| 1778 | { |
| 1779 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
| 1780 | } |
| 1781 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1782 | static u8 wl12xx_get_role_type(struct wl1271 *wl) |
| 1783 | { |
| 1784 | switch (wl->bss_type) { |
| 1785 | case BSS_TYPE_AP_BSS: |
| 1786 | return WL1271_ROLE_AP; |
| 1787 | |
| 1788 | case BSS_TYPE_STA_BSS: |
| 1789 | return WL1271_ROLE_STA; |
| 1790 | |
| 1791 | default: |
| 1792 | wl1271_error("invalid bss_type: %d", wl->bss_type); |
| 1793 | } |
| 1794 | return WL12XX_INVALID_ROLE_TYPE; |
| 1795 | } |
| 1796 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1797 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
| 1798 | struct ieee80211_vif *vif) |
| 1799 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1800 | struct wl1271 *wl = hw->priv; |
John W. Linville | ac01e94 | 2010-07-28 17:09:41 -0400 | [diff] [blame] | 1801 | struct wiphy *wiphy = hw->wiphy; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1802 | int retries = WL1271_BOOT_RETRIES; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1803 | int ret = 0; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1804 | u8 role_type; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1805 | bool booted = false; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1806 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1807 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
| 1808 | vif->type, vif->addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1809 | |
| 1810 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1811 | if (wl->vif) { |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1812 | wl1271_debug(DEBUG_MAC80211, |
| 1813 | "multiple vifs are not supported yet"); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1814 | ret = -EBUSY; |
| 1815 | goto out; |
| 1816 | } |
| 1817 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1818 | /* |
| 1819 | * in some very corner case HW recovery scenarios its possible to |
| 1820 | * get here before __wl1271_op_remove_interface is complete, so |
| 1821 | * opt out if that is the case. |
| 1822 | */ |
| 1823 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { |
| 1824 | ret = -EBUSY; |
| 1825 | goto out; |
| 1826 | } |
| 1827 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1828 | switch (vif->type) { |
| 1829 | case NL80211_IFTYPE_STATION: |
| 1830 | wl->bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1831 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1832 | break; |
| 1833 | case NL80211_IFTYPE_ADHOC: |
| 1834 | wl->bss_type = BSS_TYPE_IBSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1835 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1836 | break; |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 1837 | case NL80211_IFTYPE_AP: |
| 1838 | wl->bss_type = BSS_TYPE_AP_BSS; |
| 1839 | break; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1840 | default: |
| 1841 | ret = -EOPNOTSUPP; |
| 1842 | goto out; |
| 1843 | } |
| 1844 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1845 | role_type = wl12xx_get_role_type(wl); |
| 1846 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { |
| 1847 | ret = -EINVAL; |
| 1848 | goto out; |
| 1849 | } |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1850 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1851 | |
| 1852 | if (wl->state != WL1271_STATE_OFF) { |
| 1853 | wl1271_error("cannot start because not in off state: %d", |
| 1854 | wl->state); |
| 1855 | ret = -EBUSY; |
| 1856 | goto out; |
| 1857 | } |
| 1858 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1859 | while (retries) { |
| 1860 | retries--; |
| 1861 | ret = wl1271_chip_wakeup(wl); |
| 1862 | if (ret < 0) |
| 1863 | goto power_off; |
| 1864 | |
| 1865 | ret = wl1271_boot(wl); |
| 1866 | if (ret < 0) |
| 1867 | goto power_off; |
| 1868 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1869 | ret = wl12xx_cmd_role_enable(wl, role_type, &wl->role_id); |
| 1870 | if (ret < 0) |
| 1871 | goto irq_disable; |
| 1872 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1873 | ret = wl1271_hw_init(wl); |
| 1874 | if (ret < 0) |
| 1875 | goto irq_disable; |
| 1876 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1877 | booted = true; |
| 1878 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1879 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1880 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1881 | mutex_unlock(&wl->mutex); |
| 1882 | /* Unlocking the mutex in the middle of handling is |
| 1883 | inherently unsafe. In this case we deem it safe to do, |
| 1884 | because we need to let any possibly pending IRQ out of |
| 1885 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1886 | work function will not do anything.) Also, any other |
| 1887 | possible concurrent operations will fail due to the |
| 1888 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1889 | wl1271_disable_interrupts(wl); |
| 1890 | wl1271_flush_deferred_work(wl); |
| 1891 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1892 | mutex_lock(&wl->mutex); |
| 1893 | power_off: |
| 1894 | wl1271_power_off(wl); |
| 1895 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1896 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1897 | if (!booted) { |
| 1898 | wl1271_error("firmware boot failed despite %d retries", |
| 1899 | WL1271_BOOT_RETRIES); |
| 1900 | goto out; |
| 1901 | } |
| 1902 | |
| 1903 | wl->vif = vif; |
| 1904 | wl->state = WL1271_STATE_ON; |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1905 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1906 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1907 | |
| 1908 | /* update hw/fw version info in wiphy struct */ |
| 1909 | wiphy->hw_version = wl->chip.id; |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1910 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1911 | sizeof(wiphy->fw_version)); |
| 1912 | |
Luciano Coelho | fb6a681 | 2010-12-03 17:05:40 +0200 | [diff] [blame] | 1913 | /* |
| 1914 | * Now we know if 11a is supported (info from the NVS), so disable |
| 1915 | * 11a channels if not supported |
| 1916 | */ |
| 1917 | if (!wl->enable_11a) |
| 1918 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; |
| 1919 | |
| 1920 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", |
| 1921 | wl->enable_11a ? "" : "not "); |
| 1922 | |
Juuso Oikarinen | eb5b28d | 2009-10-13 12:47:45 +0300 | [diff] [blame] | 1923 | out: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1924 | mutex_unlock(&wl->mutex); |
| 1925 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1926 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | eb887df | 2010-07-08 17:49:58 +0300 | [diff] [blame] | 1927 | if (!ret) |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1928 | list_add(&wl->list, &wl_list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1929 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1930 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1931 | return ret; |
| 1932 | } |
| 1933 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1934 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 1935 | bool reset_tx_queues) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1936 | { |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1937 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1938 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1939 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1940 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1941 | /* because of hardware recovery, we may get here twice */ |
| 1942 | if (wl->state != WL1271_STATE_ON) |
| 1943 | return; |
| 1944 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1945 | wl1271_info("down"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1946 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1947 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1948 | list_del(&wl->list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1949 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1950 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1951 | /* 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] | 1952 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 1953 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1954 | |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1955 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1956 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 1957 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 1958 | wl->scan.req = NULL; |
Juuso Oikarinen | 76a029f | 2010-07-29 04:54:45 +0300 | [diff] [blame] | 1959 | ieee80211_scan_completed(wl->hw, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1960 | } |
| 1961 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame^] | 1962 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
| 1963 | /* disable active roles */ |
| 1964 | ret = wl1271_ps_elp_wakeup(wl); |
| 1965 | if (ret < 0) |
| 1966 | goto deinit; |
| 1967 | |
| 1968 | ret = wl12xx_cmd_role_disable(wl, &wl->role_id); |
| 1969 | if (ret < 0) |
| 1970 | goto deinit; |
| 1971 | |
| 1972 | wl1271_ps_elp_sleep(wl); |
| 1973 | } |
| 1974 | deinit: |
| 1975 | wl->sta_hlid = WL12XX_INVALID_LINK_ID; |
| 1976 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1977 | /* |
| 1978 | * this must be before the cancel_work calls below, so that the work |
| 1979 | * functions don't perform further work. |
| 1980 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1981 | wl->state = WL1271_STATE_OFF; |
| 1982 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1983 | mutex_unlock(&wl->mutex); |
| 1984 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1985 | wl1271_disable_interrupts(wl); |
| 1986 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 78abd32 | 2010-09-21 06:23:32 +0200 | [diff] [blame] | 1987 | cancel_delayed_work_sync(&wl->scan_complete_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1988 | cancel_work_sync(&wl->netstack_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1989 | cancel_work_sync(&wl->tx_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 1990 | del_timer_sync(&wl->rx_streaming_timer); |
| 1991 | cancel_work_sync(&wl->rx_streaming_enable_work); |
| 1992 | cancel_work_sync(&wl->rx_streaming_disable_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 1993 | cancel_delayed_work_sync(&wl->pspoll_work); |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1994 | cancel_delayed_work_sync(&wl->elp_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1995 | |
| 1996 | mutex_lock(&wl->mutex); |
| 1997 | |
| 1998 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1999 | wl1271_tx_reset(wl, reset_tx_queues); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2000 | wl1271_power_off(wl); |
| 2001 | |
| 2002 | memset(wl->bssid, 0, ETH_ALEN); |
Johannes Berg | 3b40c04 | 2011-07-13 10:39:16 +0200 | [diff] [blame] | 2003 | memset(wl->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2004 | wl->ssid_len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2005 | wl->bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 2006 | wl->set_bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 2007 | wl->band = IEEE80211_BAND_2GHZ; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2008 | |
| 2009 | wl->rx_counter = 0; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 2010 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2011 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
| 2012 | wl->tx_blocks_available = 0; |
Arik Nemtsov | 7bb5d6c | 2011-08-14 13:17:00 +0300 | [diff] [blame] | 2013 | wl->tx_allocated_blocks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2014 | wl->tx_results_count = 0; |
| 2015 | wl->tx_packets_count = 0; |
| 2016 | wl->time_offset = 0; |
| 2017 | wl->session_counter = 0; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 2018 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2019 | wl->vif = NULL; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2020 | wl1271_free_ap_keys(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 2021 | memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 2022 | wl->ap_fw_ps_map = 0; |
| 2023 | wl->ap_ps_map = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2024 | wl->sched_scanning = false; |
Eliad Peller | 7f097988 | 2011-08-14 13:17:06 +0300 | [diff] [blame] | 2025 | wl->role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2026 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
| 2027 | memset(wl->links_map, 0, sizeof(wl->links_map)); |
Luciano Coelho | d6e19d1 | 2009-10-12 15:08:43 +0300 | [diff] [blame] | 2028 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2029 | /* |
| 2030 | * this is performed after the cancel_work calls and the associated |
| 2031 | * mutex_lock, so that wl1271_op_add_interface does not accidentally |
| 2032 | * get executed before all these vars have been reset. |
| 2033 | */ |
| 2034 | wl->flags = 0; |
| 2035 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 2036 | wl->tx_blocks_freed = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2037 | |
| 2038 | wl1271_debugfs_reset(wl); |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 2039 | |
| 2040 | kfree(wl->fw_status); |
| 2041 | wl->fw_status = NULL; |
| 2042 | kfree(wl->tx_res_if); |
| 2043 | wl->tx_res_if = NULL; |
| 2044 | kfree(wl->target_mem_map); |
| 2045 | wl->target_mem_map = NULL; |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2046 | } |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 2047 | |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2048 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
| 2049 | struct ieee80211_vif *vif) |
| 2050 | { |
| 2051 | struct wl1271 *wl = hw->priv; |
| 2052 | |
| 2053 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2054 | /* |
| 2055 | * wl->vif can be null here if someone shuts down the interface |
| 2056 | * just when hardware recovery has been started. |
| 2057 | */ |
| 2058 | if (wl->vif) { |
| 2059 | WARN_ON(wl->vif != vif); |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 2060 | __wl1271_op_remove_interface(wl, true); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2061 | } |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 2062 | |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2063 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 2064 | cancel_work_sync(&wl->recovery_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2065 | } |
| 2066 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2067 | static int wl1271_dummy_join(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2068 | { |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 2069 | int ret = 0; |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2070 | /* we need to use a dummy BSSID for now */ |
| 2071 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, |
| 2072 | 0xad, 0xbe, 0xef }; |
| 2073 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2074 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
| 2075 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2076 | ret = wl12xx_cmd_role_start_sta(wl); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2077 | if (ret < 0) |
| 2078 | goto out; |
| 2079 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2080 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2081 | |
| 2082 | out: |
| 2083 | return ret; |
| 2084 | } |
| 2085 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2086 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2087 | { |
| 2088 | int ret; |
| 2089 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2090 | /* |
| 2091 | * One of the side effects of the JOIN command is that is clears |
| 2092 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated |
| 2093 | * 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] | 2094 | * Currently the only valid scenario for JOIN during association |
| 2095 | * is on roaming, in which case we will also be given new keys. |
| 2096 | * Keep the below message for now, unless it starts bothering |
| 2097 | * users who really like to roam a lot :) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2098 | */ |
| 2099 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 2100 | wl1271_info("JOIN while associated."); |
| 2101 | |
| 2102 | if (set_assoc) |
| 2103 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
| 2104 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2105 | ret = wl12xx_cmd_role_start_sta(wl); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2106 | if (ret < 0) |
| 2107 | goto out; |
| 2108 | |
| 2109 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
| 2110 | |
| 2111 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 2112 | goto out; |
| 2113 | |
| 2114 | /* |
| 2115 | * The join command disable the keep-alive mode, shut down its process, |
| 2116 | * and also clear the template config, so we need to reset it all after |
| 2117 | * the join. The acx_aid starts the keep-alive process, and the order |
| 2118 | * of the commands below is relevant. |
| 2119 | */ |
| 2120 | ret = wl1271_acx_keep_alive_mode(wl, true); |
| 2121 | if (ret < 0) |
| 2122 | goto out; |
| 2123 | |
| 2124 | ret = wl1271_acx_aid(wl, wl->aid); |
| 2125 | if (ret < 0) |
| 2126 | goto out; |
| 2127 | |
| 2128 | ret = wl1271_cmd_build_klv_null_data(wl); |
| 2129 | if (ret < 0) |
| 2130 | goto out; |
| 2131 | |
| 2132 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 2133 | ACX_KEEP_ALIVE_TPL_VALID); |
| 2134 | if (ret < 0) |
| 2135 | goto out; |
| 2136 | |
| 2137 | out: |
| 2138 | return ret; |
| 2139 | } |
| 2140 | |
| 2141 | static int wl1271_unjoin(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2142 | { |
| 2143 | int ret; |
| 2144 | |
| 2145 | /* to stop listening to a channel, we disconnect */ |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2146 | ret = wl12xx_cmd_role_stop_sta(wl); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2147 | if (ret < 0) |
| 2148 | goto out; |
| 2149 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2150 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2151 | memset(wl->bssid, 0, ETH_ALEN); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2152 | |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 2153 | /* reset TX security counters on a clean disconnect */ |
| 2154 | wl->tx_security_last_seq_lsb = 0; |
| 2155 | wl->tx_security_seq = 0; |
| 2156 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2157 | out: |
| 2158 | return ret; |
| 2159 | } |
| 2160 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2161 | static void wl1271_set_band_rate(struct wl1271 *wl) |
| 2162 | { |
| 2163 | if (wl->band == IEEE80211_BAND_2GHZ) |
| 2164 | wl->basic_rate_set = wl->conf.tx.basic_rate; |
| 2165 | else |
| 2166 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; |
| 2167 | } |
| 2168 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2169 | static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle) |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2170 | { |
| 2171 | int ret; |
| 2172 | |
| 2173 | if (idle) { |
| 2174 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 2175 | ret = wl1271_unjoin(wl); |
| 2176 | if (ret < 0) |
| 2177 | goto out; |
| 2178 | } |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 2179 | wl->rate_set = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 2180 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2181 | if (ret < 0) |
| 2182 | goto out; |
| 2183 | ret = wl1271_acx_keep_alive_config( |
| 2184 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 2185 | ACX_KEEP_ALIVE_TPL_INVALID); |
| 2186 | if (ret < 0) |
| 2187 | goto out; |
| 2188 | set_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2189 | } else { |
| 2190 | /* increment the session counter */ |
| 2191 | wl->session_counter++; |
| 2192 | if (wl->session_counter >= SESSION_COUNTER_MAX) |
| 2193 | wl->session_counter = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2194 | |
| 2195 | /* The current firmware only supports sched_scan in idle */ |
| 2196 | if (wl->sched_scanning) { |
| 2197 | wl1271_scan_sched_scan_stop(wl); |
| 2198 | ieee80211_sched_scan_stopped(wl->hw); |
| 2199 | } |
| 2200 | |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2201 | ret = wl1271_dummy_join(wl); |
| 2202 | if (ret < 0) |
| 2203 | goto out; |
| 2204 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2205 | } |
| 2206 | |
| 2207 | out: |
| 2208 | return ret; |
| 2209 | } |
| 2210 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2211 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
| 2212 | { |
| 2213 | struct wl1271 *wl = hw->priv; |
| 2214 | struct ieee80211_conf *conf = &hw->conf; |
| 2215 | int channel, ret = 0; |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2216 | bool is_ap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2217 | |
| 2218 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 2219 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2220 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
| 2221 | " changed 0x%x", |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2222 | channel, |
| 2223 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2224 | conf->power_level, |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2225 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
| 2226 | changed); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2227 | |
Juuso Oikarinen | 781608c | 2010-05-24 11:18:17 +0300 | [diff] [blame] | 2228 | /* |
| 2229 | * mac80211 will go to idle nearly immediately after transmitting some |
| 2230 | * frames, such as the deauth. To make sure those frames reach the air, |
| 2231 | * wait here until the TX queue is fully flushed. |
| 2232 | */ |
| 2233 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| 2234 | (conf->flags & IEEE80211_CONF_IDLE)) |
| 2235 | wl1271_tx_flush(wl); |
| 2236 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2237 | mutex_lock(&wl->mutex); |
| 2238 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2239 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
Arik Nemtsov | 17e672d | 2011-03-22 10:07:47 +0200 | [diff] [blame] | 2240 | /* we support configuring the channel and band while off */ |
| 2241 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { |
| 2242 | wl->band = conf->channel->band; |
| 2243 | wl->channel = channel; |
| 2244 | } |
| 2245 | |
Arik Nemtsov | 097f882 | 2011-06-27 22:06:34 +0300 | [diff] [blame] | 2246 | if ((changed & IEEE80211_CONF_CHANGE_POWER)) |
| 2247 | wl->power_level = conf->power_level; |
| 2248 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2249 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2250 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 2251 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2252 | is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2253 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2254 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2255 | if (ret < 0) |
| 2256 | goto out; |
| 2257 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2258 | /* if the channel changes while joined, join again */ |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2259 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
| 2260 | ((wl->band != conf->channel->band) || |
| 2261 | (wl->channel != channel))) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2262 | wl->band = conf->channel->band; |
| 2263 | wl->channel = channel; |
| 2264 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2265 | if (!is_ap) { |
| 2266 | /* |
| 2267 | * FIXME: the mac80211 should really provide a fixed |
| 2268 | * rate to use here. for now, just use the smallest |
| 2269 | * possible rate for the band as a fixed rate for |
| 2270 | * association frames and other control messages. |
| 2271 | */ |
| 2272 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 2273 | wl1271_set_band_rate(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2274 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2275 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 2276 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2277 | if (ret < 0) |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2278 | wl1271_warning("rate policy for channel " |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2279 | "failed %d", ret); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2280 | |
| 2281 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 2282 | ret = wl1271_join(wl, false); |
| 2283 | if (ret < 0) |
| 2284 | wl1271_warning("cmd join on channel " |
| 2285 | "failed %d", ret); |
| 2286 | } |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2287 | } |
| 2288 | } |
| 2289 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2290 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
| 2291 | ret = wl1271_sta_handle_idle(wl, |
| 2292 | conf->flags & IEEE80211_CONF_IDLE); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2293 | if (ret < 0) |
| 2294 | wl1271_warning("idle mode change failed %d", ret); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2295 | } |
| 2296 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 2297 | /* |
| 2298 | * if mac80211 changes the PSM mode, make sure the mode is not |
| 2299 | * incorrectly changed after the pspoll failure active window. |
| 2300 | */ |
| 2301 | if (changed & IEEE80211_CONF_CHANGE_PS) |
| 2302 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); |
| 2303 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2304 | if (conf->flags & IEEE80211_CONF_PS && |
| 2305 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
| 2306 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2307 | |
| 2308 | /* |
| 2309 | * We enter PSM only if we're already associated. |
| 2310 | * If we're not, we'll enter it when joining an SSID, |
| 2311 | * through the bss_info_changed() hook. |
| 2312 | */ |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 2313 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2314 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 2315 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 2316 | wl->basic_rate, true); |
Juuso Oikarinen | af5e084 | 2009-12-11 15:41:00 +0200 | [diff] [blame] | 2317 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2318 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2319 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2320 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2321 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2322 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2323 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2324 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 2325 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 2326 | wl->basic_rate, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2327 | } |
| 2328 | |
| 2329 | if (conf->power_level != wl->power_level) { |
| 2330 | ret = wl1271_acx_tx_power(wl, conf->power_level); |
| 2331 | if (ret < 0) |
Juuso Oikarinen | c6317a5 | 2009-11-02 20:22:08 +0200 | [diff] [blame] | 2332 | goto out_sleep; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2333 | |
| 2334 | wl->power_level = conf->power_level; |
| 2335 | } |
| 2336 | |
| 2337 | out_sleep: |
| 2338 | wl1271_ps_elp_sleep(wl); |
| 2339 | |
| 2340 | out: |
| 2341 | mutex_unlock(&wl->mutex); |
| 2342 | |
| 2343 | return ret; |
| 2344 | } |
| 2345 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2346 | struct wl1271_filter_params { |
| 2347 | bool enabled; |
| 2348 | int mc_list_length; |
| 2349 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 2350 | }; |
| 2351 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2352 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
| 2353 | struct netdev_hw_addr_list *mc_list) |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2354 | { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2355 | struct wl1271_filter_params *fp; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2356 | struct netdev_hw_addr *ha; |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2357 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2358 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2359 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 2360 | return 0; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2361 | |
Juuso Oikarinen | 7444113 | 2009-10-13 12:47:53 +0300 | [diff] [blame] | 2362 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2363 | if (!fp) { |
| 2364 | wl1271_error("Out of memory setting filters."); |
| 2365 | return 0; |
| 2366 | } |
| 2367 | |
| 2368 | /* update multicast filtering parameters */ |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2369 | fp->mc_list_length = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2370 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 2371 | fp->enabled = false; |
| 2372 | } else { |
| 2373 | fp->enabled = true; |
| 2374 | netdev_hw_addr_list_for_each(ha, mc_list) { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2375 | memcpy(fp->mc_list[fp->mc_list_length], |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2376 | ha->addr, ETH_ALEN); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2377 | fp->mc_list_length++; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2378 | } |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2379 | } |
| 2380 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2381 | return (u64)(unsigned long)fp; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2382 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2383 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2384 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
| 2385 | FIF_ALLMULTI | \ |
| 2386 | FIF_FCSFAIL | \ |
| 2387 | FIF_BCN_PRBRESP_PROMISC | \ |
| 2388 | FIF_CONTROL | \ |
| 2389 | FIF_OTHER_BSS) |
| 2390 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2391 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
| 2392 | unsigned int changed, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2393 | unsigned int *total, u64 multicast) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2394 | { |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2395 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2396 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2397 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2398 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2399 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
| 2400 | " total %x", changed, *total); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2401 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2402 | mutex_lock(&wl->mutex); |
| 2403 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2404 | *total &= WL1271_SUPPORTED_FILTERS; |
| 2405 | changed &= WL1271_SUPPORTED_FILTERS; |
| 2406 | |
| 2407 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2408 | goto out; |
| 2409 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2410 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2411 | if (ret < 0) |
| 2412 | goto out; |
| 2413 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2414 | if (wl->bss_type != BSS_TYPE_AP_BSS) { |
| 2415 | if (*total & FIF_ALLMULTI) |
| 2416 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); |
| 2417 | else if (fp) |
| 2418 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, |
| 2419 | fp->mc_list, |
| 2420 | fp->mc_list_length); |
| 2421 | if (ret < 0) |
| 2422 | goto out_sleep; |
| 2423 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2424 | |
Eliad Peller | 08c1d1c | 2011-08-14 13:17:04 +0300 | [diff] [blame] | 2425 | /* |
| 2426 | * the fw doesn't provide an api to configure the filters. instead, |
| 2427 | * the filters configuration is based on the active roles / ROC |
| 2428 | * state. |
| 2429 | */ |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2430 | |
| 2431 | out_sleep: |
| 2432 | wl1271_ps_elp_sleep(wl); |
| 2433 | |
| 2434 | out: |
| 2435 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2436 | kfree(fp); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2437 | } |
| 2438 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2439 | static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type, |
| 2440 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, |
| 2441 | u16 tx_seq_16) |
| 2442 | { |
| 2443 | struct wl1271_ap_key *ap_key; |
| 2444 | int i; |
| 2445 | |
| 2446 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); |
| 2447 | |
| 2448 | if (key_size > MAX_KEY_SIZE) |
| 2449 | return -EINVAL; |
| 2450 | |
| 2451 | /* |
| 2452 | * Find next free entry in ap_keys. Also check we are not replacing |
| 2453 | * an existing key. |
| 2454 | */ |
| 2455 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2456 | if (wl->recorded_ap_keys[i] == NULL) |
| 2457 | break; |
| 2458 | |
| 2459 | if (wl->recorded_ap_keys[i]->id == id) { |
| 2460 | wl1271_warning("trying to record key replacement"); |
| 2461 | return -EINVAL; |
| 2462 | } |
| 2463 | } |
| 2464 | |
| 2465 | if (i == MAX_NUM_KEYS) |
| 2466 | return -EBUSY; |
| 2467 | |
| 2468 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); |
| 2469 | if (!ap_key) |
| 2470 | return -ENOMEM; |
| 2471 | |
| 2472 | ap_key->id = id; |
| 2473 | ap_key->key_type = key_type; |
| 2474 | ap_key->key_size = key_size; |
| 2475 | memcpy(ap_key->key, key, key_size); |
| 2476 | ap_key->hlid = hlid; |
| 2477 | ap_key->tx_seq_32 = tx_seq_32; |
| 2478 | ap_key->tx_seq_16 = tx_seq_16; |
| 2479 | |
| 2480 | wl->recorded_ap_keys[i] = ap_key; |
| 2481 | return 0; |
| 2482 | } |
| 2483 | |
| 2484 | static void wl1271_free_ap_keys(struct wl1271 *wl) |
| 2485 | { |
| 2486 | int i; |
| 2487 | |
| 2488 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2489 | kfree(wl->recorded_ap_keys[i]); |
| 2490 | wl->recorded_ap_keys[i] = NULL; |
| 2491 | } |
| 2492 | } |
| 2493 | |
| 2494 | static int wl1271_ap_init_hwenc(struct wl1271 *wl) |
| 2495 | { |
| 2496 | int i, ret = 0; |
| 2497 | struct wl1271_ap_key *key; |
| 2498 | bool wep_key_added = false; |
| 2499 | |
| 2500 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2501 | if (wl->recorded_ap_keys[i] == NULL) |
| 2502 | break; |
| 2503 | |
| 2504 | key = wl->recorded_ap_keys[i]; |
| 2505 | ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE, |
| 2506 | key->id, key->key_type, |
| 2507 | key->key_size, key->key, |
| 2508 | key->hlid, key->tx_seq_32, |
| 2509 | key->tx_seq_16); |
| 2510 | if (ret < 0) |
| 2511 | goto out; |
| 2512 | |
| 2513 | if (key->key_type == KEY_WEP) |
| 2514 | wep_key_added = true; |
| 2515 | } |
| 2516 | |
| 2517 | if (wep_key_added) { |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2518 | ret = wl12xx_cmd_set_default_wep_key(wl, wl->default_key, |
| 2519 | WL1271_AP_BROADCAST_HLID); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2520 | if (ret < 0) |
| 2521 | goto out; |
| 2522 | } |
| 2523 | |
| 2524 | out: |
| 2525 | wl1271_free_ap_keys(wl); |
| 2526 | return ret; |
| 2527 | } |
| 2528 | |
| 2529 | static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, |
| 2530 | u8 key_size, const u8 *key, u32 tx_seq_32, |
| 2531 | u16 tx_seq_16, struct ieee80211_sta *sta) |
| 2532 | { |
| 2533 | int ret; |
| 2534 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2535 | |
| 2536 | if (is_ap) { |
| 2537 | struct wl1271_station *wl_sta; |
| 2538 | u8 hlid; |
| 2539 | |
| 2540 | if (sta) { |
| 2541 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 2542 | hlid = wl_sta->hlid; |
| 2543 | } else { |
| 2544 | hlid = WL1271_AP_BROADCAST_HLID; |
| 2545 | } |
| 2546 | |
| 2547 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2548 | /* |
| 2549 | * We do not support removing keys after AP shutdown. |
| 2550 | * Pretend we do to make mac80211 happy. |
| 2551 | */ |
| 2552 | if (action != KEY_ADD_OR_REPLACE) |
| 2553 | return 0; |
| 2554 | |
| 2555 | ret = wl1271_record_ap_key(wl, id, |
| 2556 | key_type, key_size, |
| 2557 | key, hlid, tx_seq_32, |
| 2558 | tx_seq_16); |
| 2559 | } else { |
| 2560 | ret = wl1271_cmd_set_ap_key(wl, action, |
| 2561 | id, key_type, key_size, |
| 2562 | key, hlid, tx_seq_32, |
| 2563 | tx_seq_16); |
| 2564 | } |
| 2565 | |
| 2566 | if (ret < 0) |
| 2567 | return ret; |
| 2568 | } else { |
| 2569 | const u8 *addr; |
| 2570 | static const u8 bcast_addr[ETH_ALEN] = { |
| 2571 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 2572 | }; |
| 2573 | |
| 2574 | addr = sta ? sta->addr : bcast_addr; |
| 2575 | |
| 2576 | if (is_zero_ether_addr(addr)) { |
| 2577 | /* We dont support TX only encryption */ |
| 2578 | return -EOPNOTSUPP; |
| 2579 | } |
| 2580 | |
| 2581 | /* The wl1271 does not allow to remove unicast keys - they |
| 2582 | will be cleared automatically on next CMD_JOIN. Ignore the |
| 2583 | request silently, as we dont want the mac80211 to emit |
| 2584 | an error message. */ |
| 2585 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) |
| 2586 | return 0; |
| 2587 | |
| 2588 | ret = wl1271_cmd_set_sta_key(wl, action, |
| 2589 | id, key_type, key_size, |
| 2590 | key, addr, tx_seq_32, |
| 2591 | tx_seq_16); |
| 2592 | if (ret < 0) |
| 2593 | return ret; |
| 2594 | |
| 2595 | /* the default WEP key needs to be configured at least once */ |
| 2596 | if (key_type == KEY_WEP) { |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2597 | ret = wl12xx_cmd_set_default_wep_key(wl, |
| 2598 | wl->default_key, |
| 2599 | wl->sta_hlid); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2600 | if (ret < 0) |
| 2601 | return ret; |
| 2602 | } |
| 2603 | } |
| 2604 | |
| 2605 | return 0; |
| 2606 | } |
| 2607 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2608 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2609 | struct ieee80211_vif *vif, |
| 2610 | struct ieee80211_sta *sta, |
| 2611 | struct ieee80211_key_conf *key_conf) |
| 2612 | { |
| 2613 | struct wl1271 *wl = hw->priv; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2614 | int ret; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 2615 | u32 tx_seq_32 = 0; |
| 2616 | u16 tx_seq_16 = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2617 | u8 key_type; |
| 2618 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2619 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
| 2620 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2621 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2622 | 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] | 2623 | key_conf->cipher, key_conf->keyidx, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2624 | key_conf->keylen, key_conf->flags); |
| 2625 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); |
| 2626 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2627 | mutex_lock(&wl->mutex); |
| 2628 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2629 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2630 | ret = -EAGAIN; |
| 2631 | goto out_unlock; |
| 2632 | } |
| 2633 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2634 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2635 | if (ret < 0) |
| 2636 | goto out_unlock; |
| 2637 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2638 | switch (key_conf->cipher) { |
| 2639 | case WLAN_CIPHER_SUITE_WEP40: |
| 2640 | case WLAN_CIPHER_SUITE_WEP104: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2641 | key_type = KEY_WEP; |
| 2642 | |
| 2643 | key_conf->hw_key_idx = key_conf->keyidx; |
| 2644 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2645 | case WLAN_CIPHER_SUITE_TKIP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2646 | key_type = KEY_TKIP; |
| 2647 | |
| 2648 | key_conf->hw_key_idx = key_conf->keyidx; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2649 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2650 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2651 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2652 | case WLAN_CIPHER_SUITE_CCMP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2653 | key_type = KEY_AES; |
| 2654 | |
| 2655 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2656 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2657 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2658 | break; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 2659 | case WL1271_CIPHER_SUITE_GEM: |
| 2660 | key_type = KEY_GEM; |
| 2661 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2662 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
| 2663 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2664 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2665 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2666 | |
| 2667 | ret = -EOPNOTSUPP; |
| 2668 | goto out_sleep; |
| 2669 | } |
| 2670 | |
| 2671 | switch (cmd) { |
| 2672 | case SET_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2673 | ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE, |
| 2674 | key_conf->keyidx, key_type, |
| 2675 | key_conf->keylen, key_conf->key, |
| 2676 | tx_seq_32, tx_seq_16, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2677 | if (ret < 0) { |
| 2678 | wl1271_error("Could not add or replace key"); |
| 2679 | goto out_sleep; |
| 2680 | } |
| 2681 | break; |
| 2682 | |
| 2683 | case DISABLE_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2684 | ret = wl1271_set_key(wl, KEY_REMOVE, |
| 2685 | key_conf->keyidx, key_type, |
| 2686 | key_conf->keylen, key_conf->key, |
| 2687 | 0, 0, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2688 | if (ret < 0) { |
| 2689 | wl1271_error("Could not remove key"); |
| 2690 | goto out_sleep; |
| 2691 | } |
| 2692 | break; |
| 2693 | |
| 2694 | default: |
| 2695 | wl1271_error("Unsupported key cmd 0x%x", cmd); |
| 2696 | ret = -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2697 | break; |
| 2698 | } |
| 2699 | |
| 2700 | out_sleep: |
| 2701 | wl1271_ps_elp_sleep(wl); |
| 2702 | |
| 2703 | out_unlock: |
| 2704 | mutex_unlock(&wl->mutex); |
| 2705 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2706 | return ret; |
| 2707 | } |
| 2708 | |
| 2709 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 2710 | struct ieee80211_vif *vif, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2711 | struct cfg80211_scan_request *req) |
| 2712 | { |
| 2713 | struct wl1271 *wl = hw->priv; |
| 2714 | int ret; |
| 2715 | u8 *ssid = NULL; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2716 | size_t len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2717 | |
| 2718 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
| 2719 | |
| 2720 | if (req->n_ssids) { |
| 2721 | ssid = req->ssids[0].ssid; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2722 | len = req->ssids[0].ssid_len; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2723 | } |
| 2724 | |
| 2725 | mutex_lock(&wl->mutex); |
| 2726 | |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2727 | if (wl->state == WL1271_STATE_OFF) { |
| 2728 | /* |
| 2729 | * We cannot return -EBUSY here because cfg80211 will expect |
| 2730 | * a call to ieee80211_scan_completed if we do - in this case |
| 2731 | * there won't be any call. |
| 2732 | */ |
| 2733 | ret = -EAGAIN; |
| 2734 | goto out; |
| 2735 | } |
| 2736 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2737 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2738 | if (ret < 0) |
| 2739 | goto out; |
| 2740 | |
Luciano Coelho | 5924f89 | 2010-08-04 03:46:22 +0300 | [diff] [blame] | 2741 | ret = wl1271_scan(hw->priv, ssid, len, req); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2742 | |
| 2743 | wl1271_ps_elp_sleep(wl); |
| 2744 | |
| 2745 | out: |
| 2746 | mutex_unlock(&wl->mutex); |
| 2747 | |
| 2748 | return ret; |
| 2749 | } |
| 2750 | |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 2751 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
| 2752 | struct ieee80211_vif *vif) |
| 2753 | { |
| 2754 | struct wl1271 *wl = hw->priv; |
| 2755 | int ret; |
| 2756 | |
| 2757 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); |
| 2758 | |
| 2759 | mutex_lock(&wl->mutex); |
| 2760 | |
| 2761 | if (wl->state == WL1271_STATE_OFF) |
| 2762 | goto out; |
| 2763 | |
| 2764 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) |
| 2765 | goto out; |
| 2766 | |
| 2767 | ret = wl1271_ps_elp_wakeup(wl); |
| 2768 | if (ret < 0) |
| 2769 | goto out; |
| 2770 | |
| 2771 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { |
| 2772 | ret = wl1271_scan_stop(wl); |
| 2773 | if (ret < 0) |
| 2774 | goto out_sleep; |
| 2775 | } |
| 2776 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
| 2777 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
| 2778 | wl->scan.req = NULL; |
| 2779 | ieee80211_scan_completed(wl->hw, true); |
| 2780 | |
| 2781 | out_sleep: |
| 2782 | wl1271_ps_elp_sleep(wl); |
| 2783 | out: |
| 2784 | mutex_unlock(&wl->mutex); |
| 2785 | |
| 2786 | cancel_delayed_work_sync(&wl->scan_complete_work); |
| 2787 | } |
| 2788 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2789 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
| 2790 | struct ieee80211_vif *vif, |
| 2791 | struct cfg80211_sched_scan_request *req, |
| 2792 | struct ieee80211_sched_scan_ies *ies) |
| 2793 | { |
| 2794 | struct wl1271 *wl = hw->priv; |
| 2795 | int ret; |
| 2796 | |
| 2797 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); |
| 2798 | |
| 2799 | mutex_lock(&wl->mutex); |
| 2800 | |
| 2801 | ret = wl1271_ps_elp_wakeup(wl); |
| 2802 | if (ret < 0) |
| 2803 | goto out; |
| 2804 | |
| 2805 | ret = wl1271_scan_sched_scan_config(wl, req, ies); |
| 2806 | if (ret < 0) |
| 2807 | goto out_sleep; |
| 2808 | |
| 2809 | ret = wl1271_scan_sched_scan_start(wl); |
| 2810 | if (ret < 0) |
| 2811 | goto out_sleep; |
| 2812 | |
| 2813 | wl->sched_scanning = true; |
| 2814 | |
| 2815 | out_sleep: |
| 2816 | wl1271_ps_elp_sleep(wl); |
| 2817 | out: |
| 2818 | mutex_unlock(&wl->mutex); |
| 2819 | return ret; |
| 2820 | } |
| 2821 | |
| 2822 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
| 2823 | struct ieee80211_vif *vif) |
| 2824 | { |
| 2825 | struct wl1271 *wl = hw->priv; |
| 2826 | int ret; |
| 2827 | |
| 2828 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); |
| 2829 | |
| 2830 | mutex_lock(&wl->mutex); |
| 2831 | |
| 2832 | ret = wl1271_ps_elp_wakeup(wl); |
| 2833 | if (ret < 0) |
| 2834 | goto out; |
| 2835 | |
| 2836 | wl1271_scan_sched_scan_stop(wl); |
| 2837 | |
| 2838 | wl1271_ps_elp_sleep(wl); |
| 2839 | out: |
| 2840 | mutex_unlock(&wl->mutex); |
| 2841 | } |
| 2842 | |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2843 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
| 2844 | { |
| 2845 | struct wl1271 *wl = hw->priv; |
| 2846 | int ret = 0; |
| 2847 | |
| 2848 | mutex_lock(&wl->mutex); |
| 2849 | |
| 2850 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2851 | ret = -EAGAIN; |
| 2852 | goto out; |
| 2853 | } |
| 2854 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2855 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2856 | if (ret < 0) |
| 2857 | goto out; |
| 2858 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2859 | ret = wl1271_acx_frag_threshold(wl, value); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2860 | if (ret < 0) |
| 2861 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); |
| 2862 | |
| 2863 | wl1271_ps_elp_sleep(wl); |
| 2864 | |
| 2865 | out: |
| 2866 | mutex_unlock(&wl->mutex); |
| 2867 | |
| 2868 | return ret; |
| 2869 | } |
| 2870 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2871 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 2872 | { |
| 2873 | struct wl1271 *wl = hw->priv; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2874 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2875 | |
| 2876 | mutex_lock(&wl->mutex); |
| 2877 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2878 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2879 | ret = -EAGAIN; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2880 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2881 | } |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2882 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2883 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2884 | if (ret < 0) |
| 2885 | goto out; |
| 2886 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2887 | ret = wl1271_acx_rts_threshold(wl, value); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2888 | if (ret < 0) |
| 2889 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); |
| 2890 | |
| 2891 | wl1271_ps_elp_sleep(wl); |
| 2892 | |
| 2893 | out: |
| 2894 | mutex_unlock(&wl->mutex); |
| 2895 | |
| 2896 | return ret; |
| 2897 | } |
| 2898 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2899 | static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2900 | int offset) |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2901 | { |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2902 | u8 ssid_len; |
| 2903 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, |
| 2904 | skb->len - offset); |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2905 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2906 | if (!ptr) { |
| 2907 | wl1271_error("No SSID in IEs!"); |
| 2908 | return -ENOENT; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2909 | } |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2910 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2911 | ssid_len = ptr[1]; |
| 2912 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 2913 | wl1271_error("SSID is too long!"); |
| 2914 | return -EINVAL; |
| 2915 | } |
| 2916 | |
| 2917 | wl->ssid_len = ssid_len; |
| 2918 | memcpy(wl->ssid, ptr+2, ssid_len); |
| 2919 | return 0; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2920 | } |
| 2921 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2922 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
| 2923 | struct ieee80211_bss_conf *bss_conf, |
| 2924 | u32 changed) |
| 2925 | { |
| 2926 | int ret = 0; |
| 2927 | |
| 2928 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 2929 | if (bss_conf->use_short_slot) |
| 2930 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); |
| 2931 | else |
| 2932 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); |
| 2933 | if (ret < 0) { |
| 2934 | wl1271_warning("Set slot time failed %d", ret); |
| 2935 | goto out; |
| 2936 | } |
| 2937 | } |
| 2938 | |
| 2939 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 2940 | if (bss_conf->use_short_preamble) |
| 2941 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); |
| 2942 | else |
| 2943 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); |
| 2944 | } |
| 2945 | |
| 2946 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 2947 | if (bss_conf->use_cts_prot) |
| 2948 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); |
| 2949 | else |
| 2950 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); |
| 2951 | if (ret < 0) { |
| 2952 | wl1271_warning("Set ctsprotect failed %d", ret); |
| 2953 | goto out; |
| 2954 | } |
| 2955 | } |
| 2956 | |
| 2957 | out: |
| 2958 | return ret; |
| 2959 | } |
| 2960 | |
| 2961 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
| 2962 | struct ieee80211_vif *vif, |
| 2963 | struct ieee80211_bss_conf *bss_conf, |
| 2964 | u32 changed) |
| 2965 | { |
| 2966 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2967 | int ret = 0; |
| 2968 | |
| 2969 | if ((changed & BSS_CHANGED_BEACON_INT)) { |
| 2970 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
| 2971 | bss_conf->beacon_int); |
| 2972 | |
| 2973 | wl->beacon_int = bss_conf->beacon_int; |
| 2974 | } |
| 2975 | |
| 2976 | if ((changed & BSS_CHANGED_BEACON)) { |
| 2977 | struct ieee80211_hdr *hdr; |
| 2978 | int ieoffset = offsetof(struct ieee80211_mgmt, |
| 2979 | u.beacon.variable); |
| 2980 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
| 2981 | u16 tmpl_id; |
| 2982 | |
| 2983 | if (!beacon) |
| 2984 | goto out; |
| 2985 | |
| 2986 | wl1271_debug(DEBUG_MASTER, "beacon updated"); |
| 2987 | |
| 2988 | ret = wl1271_ssid_set(wl, beacon, ieoffset); |
| 2989 | if (ret < 0) { |
| 2990 | dev_kfree_skb(beacon); |
| 2991 | goto out; |
| 2992 | } |
| 2993 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : |
| 2994 | CMD_TEMPL_BEACON; |
| 2995 | ret = wl1271_cmd_template_set(wl, tmpl_id, |
| 2996 | beacon->data, |
| 2997 | beacon->len, 0, |
| 2998 | wl1271_tx_min_rate_get(wl)); |
| 2999 | if (ret < 0) { |
| 3000 | dev_kfree_skb(beacon); |
| 3001 | goto out; |
| 3002 | } |
| 3003 | |
| 3004 | hdr = (struct ieee80211_hdr *) beacon->data; |
| 3005 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 3006 | IEEE80211_STYPE_PROBE_RESP); |
| 3007 | |
| 3008 | tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE : |
| 3009 | CMD_TEMPL_PROBE_RESPONSE; |
| 3010 | ret = wl1271_cmd_template_set(wl, |
| 3011 | tmpl_id, |
| 3012 | beacon->data, |
| 3013 | beacon->len, 0, |
| 3014 | wl1271_tx_min_rate_get(wl)); |
| 3015 | dev_kfree_skb(beacon); |
| 3016 | if (ret < 0) |
| 3017 | goto out; |
| 3018 | } |
| 3019 | |
| 3020 | out: |
| 3021 | return ret; |
| 3022 | } |
| 3023 | |
| 3024 | /* AP mode changes */ |
| 3025 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3026 | struct ieee80211_vif *vif, |
| 3027 | struct ieee80211_bss_conf *bss_conf, |
| 3028 | u32 changed) |
| 3029 | { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3030 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3031 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3032 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
| 3033 | u32 rates = bss_conf->basic_rates; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3034 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3035 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates); |
| 3036 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3037 | |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 3038 | ret = wl1271_init_ap_rates(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3039 | if (ret < 0) { |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 3040 | wl1271_error("AP rate policy change failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3041 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 3042 | } |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 3043 | |
| 3044 | ret = wl1271_ap_init_templates(wl); |
| 3045 | if (ret < 0) |
| 3046 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 3047 | } |
| 3048 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3049 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
| 3050 | if (ret < 0) |
| 3051 | goto out; |
| 3052 | |
| 3053 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
| 3054 | if (bss_conf->enable_beacon) { |
| 3055 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 3056 | ret = wl12xx_cmd_role_start_ap(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3057 | if (ret < 0) |
| 3058 | goto out; |
| 3059 | |
| 3060 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 3061 | wl1271_debug(DEBUG_AP, "started AP"); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3062 | |
| 3063 | ret = wl1271_ap_init_hwenc(wl); |
| 3064 | if (ret < 0) |
| 3065 | goto out; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3066 | } |
| 3067 | } else { |
| 3068 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 3069 | ret = wl12xx_cmd_role_stop_ap(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3070 | if (ret < 0) |
| 3071 | goto out; |
| 3072 | |
| 3073 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 3074 | wl1271_debug(DEBUG_AP, "stopped AP"); |
| 3075 | } |
| 3076 | } |
| 3077 | } |
| 3078 | |
| 3079 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 3080 | if (ret < 0) |
| 3081 | goto out; |
| 3082 | out: |
| 3083 | return; |
| 3084 | } |
| 3085 | |
| 3086 | /* STA/IBSS mode changes */ |
| 3087 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, |
| 3088 | struct ieee80211_vif *vif, |
| 3089 | struct ieee80211_bss_conf *bss_conf, |
| 3090 | u32 changed) |
| 3091 | { |
| 3092 | bool do_join = false, set_assoc = false; |
| 3093 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3094 | u32 sta_rate_set = 0; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3095 | int ret; |
Luciano Coelho | 2d6e4e76 | 2011-01-11 19:07:21 +0100 | [diff] [blame] | 3096 | struct ieee80211_sta *sta; |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3097 | bool sta_exists = false; |
| 3098 | struct ieee80211_sta_ht_cap sta_ht_cap; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3099 | |
| 3100 | if (is_ibss) { |
| 3101 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, |
| 3102 | changed); |
| 3103 | if (ret < 0) |
| 3104 | goto out; |
| 3105 | } |
| 3106 | |
| 3107 | if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss) |
| 3108 | do_join = true; |
| 3109 | |
| 3110 | /* Need to update the SSID (for filtering etc) */ |
| 3111 | if ((changed & BSS_CHANGED_BEACON) && is_ibss) |
| 3112 | do_join = true; |
| 3113 | |
| 3114 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) { |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 3115 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
| 3116 | bss_conf->enable_beacon ? "enabled" : "disabled"); |
| 3117 | |
| 3118 | if (bss_conf->enable_beacon) |
| 3119 | wl->set_bss_type = BSS_TYPE_IBSS; |
| 3120 | else |
| 3121 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
| 3122 | do_join = true; |
| 3123 | } |
| 3124 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3125 | if ((changed & BSS_CHANGED_CQM)) { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 3126 | bool enable = false; |
| 3127 | if (bss_conf->cqm_rssi_thold) |
| 3128 | enable = true; |
| 3129 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, |
| 3130 | bss_conf->cqm_rssi_thold, |
| 3131 | bss_conf->cqm_rssi_hyst); |
| 3132 | if (ret < 0) |
| 3133 | goto out; |
| 3134 | wl->rssi_thold = bss_conf->cqm_rssi_thold; |
| 3135 | } |
| 3136 | |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3137 | if ((changed & BSS_CHANGED_BSSID) && |
| 3138 | /* |
| 3139 | * Now we know the correct bssid, so we send a new join command |
| 3140 | * and enable the BSSID filter |
| 3141 | */ |
| 3142 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3143 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
Juuso Oikarinen | a0cb7be | 2010-03-18 12:26:44 +0200 | [diff] [blame] | 3144 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3145 | if (!is_zero_ether_addr(wl->bssid)) { |
| 3146 | ret = wl1271_cmd_build_null_data(wl); |
| 3147 | if (ret < 0) |
| 3148 | goto out; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3149 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3150 | ret = wl1271_build_qos_null_data(wl); |
| 3151 | if (ret < 0) |
| 3152 | goto out; |
Saravanan Dhanabal | 141418c | 2010-04-28 09:50:00 +0300 | [diff] [blame] | 3153 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3154 | /* Need to update the BSSID (for filtering etc) */ |
| 3155 | do_join = true; |
| 3156 | } |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3157 | } |
| 3158 | |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3159 | rcu_read_lock(); |
| 3160 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
| 3161 | if (sta) { |
| 3162 | /* save the supp_rates of the ap */ |
| 3163 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; |
| 3164 | if (sta->ht_cap.ht_supported) |
| 3165 | sta_rate_set |= |
| 3166 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3167 | sta_ht_cap = sta->ht_cap; |
| 3168 | sta_exists = true; |
| 3169 | } |
| 3170 | rcu_read_unlock(); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3171 | |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3172 | if (sta_exists) { |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3173 | /* handle new association with HT and HT information change */ |
| 3174 | if ((changed & BSS_CHANGED_HT) && |
| 3175 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3176 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3177 | true); |
| 3178 | if (ret < 0) { |
| 3179 | wl1271_warning("Set ht cap true failed %d", |
| 3180 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3181 | goto out; |
| 3182 | } |
| 3183 | ret = wl1271_acx_set_ht_information(wl, |
| 3184 | bss_conf->ht_operation_mode); |
| 3185 | if (ret < 0) { |
| 3186 | wl1271_warning("Set ht information failed %d", |
| 3187 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3188 | goto out; |
| 3189 | } |
| 3190 | } |
| 3191 | /* handle new association without HT and disassociation */ |
| 3192 | else if (changed & BSS_CHANGED_ASSOC) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3193 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3194 | false); |
| 3195 | if (ret < 0) { |
| 3196 | wl1271_warning("Set ht cap false failed %d", |
| 3197 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3198 | goto out; |
| 3199 | } |
| 3200 | } |
| 3201 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3202 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3203 | if ((changed & BSS_CHANGED_ASSOC)) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3204 | if (bss_conf->assoc) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3205 | u32 rates; |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3206 | int ieoffset; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3207 | wl->aid = bss_conf->aid; |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 3208 | set_assoc = true; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3209 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 3210 | wl->ps_poll_failures = 0; |
| 3211 | |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3212 | /* |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3213 | * use basic rates from AP, and determine lowest rate |
| 3214 | * to use with control frames. |
| 3215 | */ |
| 3216 | rates = bss_conf->basic_rates; |
| 3217 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3218 | rates); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 3219 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3220 | if (sta_rate_set) |
| 3221 | wl->rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3222 | sta_rate_set); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 3223 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3224 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3225 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3226 | |
| 3227 | /* |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3228 | * with wl1271, we don't need to update the |
| 3229 | * beacon_int and dtim_period, because the firmware |
| 3230 | * updates it by itself when the first beacon is |
| 3231 | * received after a join. |
| 3232 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3233 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
| 3234 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3235 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3236 | |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3237 | /* |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3238 | * Get a template for hardware connection maintenance |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3239 | */ |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3240 | dev_kfree_skb(wl->probereq); |
| 3241 | wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL); |
| 3242 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 3243 | u.probe_req.variable); |
| 3244 | wl1271_ssid_set(wl, wl->probereq, ieoffset); |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3245 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3246 | /* enable the connection monitoring feature */ |
| 3247 | ret = wl1271_acx_conn_monit_params(wl, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3248 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3249 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3250 | |
| 3251 | /* 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] | 3252 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
| 3253 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3254 | enum wl1271_cmd_ps_mode mode; |
| 3255 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3256 | mode = STATION_POWER_SAVE_MODE; |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 3257 | ret = wl1271_ps_set_mode(wl, mode, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 3258 | wl->basic_rate, |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 3259 | true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3260 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3261 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3262 | } |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 3263 | } else { |
| 3264 | /* use defaults when not associated */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3265 | bool was_assoc = |
| 3266 | !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, |
| 3267 | &wl->flags); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3268 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 3269 | wl->aid = 0; |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3270 | |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3271 | /* free probe-request template */ |
| 3272 | dev_kfree_skb(wl->probereq); |
| 3273 | wl->probereq = NULL; |
| 3274 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3275 | /* re-enable dynamic ps - just in case */ |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 3276 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3277 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3278 | /* revert back to minimum rates for the current band */ |
| 3279 | wl1271_set_band_rate(wl); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 3280 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 3281 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3282 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3283 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3284 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3285 | /* disable connection monitor features */ |
| 3286 | ret = wl1271_acx_conn_monit_params(wl, false); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3287 | |
| 3288 | /* Disable the keep-alive feature */ |
| 3289 | ret = wl1271_acx_keep_alive_mode(wl, false); |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3290 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3291 | goto out; |
Juuso Oikarinen | b84a7d3 | 2010-11-22 12:59:08 +0200 | [diff] [blame] | 3292 | |
| 3293 | /* restore the bssid filter and go to dummy bssid */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3294 | if (was_assoc) { |
| 3295 | wl1271_unjoin(wl); |
| 3296 | wl1271_dummy_join(wl); |
| 3297 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3298 | } |
| 3299 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 3300 | |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 3301 | if (changed & BSS_CHANGED_IBSS) { |
| 3302 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", |
| 3303 | bss_conf->ibss_joined); |
| 3304 | |
| 3305 | if (bss_conf->ibss_joined) { |
| 3306 | u32 rates = bss_conf->basic_rates; |
| 3307 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3308 | rates); |
| 3309 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 3310 | |
| 3311 | /* by default, use 11b rates */ |
| 3312 | wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
| 3313 | ret = wl1271_acx_sta_rate_policies(wl); |
| 3314 | if (ret < 0) |
| 3315 | goto out; |
| 3316 | } |
| 3317 | } |
| 3318 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3319 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 3320 | if (ret < 0) |
| 3321 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3322 | |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3323 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 3324 | __be32 addr = bss_conf->arp_addr_list[0]; |
| 3325 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 3326 | |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3327 | if (bss_conf->arp_addr_cnt == 1 && |
| 3328 | bss_conf->arp_filter_enabled) { |
| 3329 | /* |
| 3330 | * The template should have been configured only upon |
| 3331 | * association. however, it seems that the correct ip |
| 3332 | * isn't being set (when sending), so we have to |
| 3333 | * reconfigure the template upon every ip change. |
| 3334 | */ |
| 3335 | ret = wl1271_cmd_build_arp_rsp(wl, addr); |
| 3336 | if (ret < 0) { |
| 3337 | wl1271_warning("build arp rsp failed: %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3338 | goto out; |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3339 | } |
| 3340 | |
| 3341 | ret = wl1271_acx_arp_ip_filter(wl, |
Eliad Peller | e5e2f24 | 2011-01-24 19:19:03 +0100 | [diff] [blame] | 3342 | ACX_ARP_FILTER_ARP_FILTERING, |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3343 | addr); |
| 3344 | } else |
| 3345 | ret = wl1271_acx_arp_ip_filter(wl, 0, addr); |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3346 | |
| 3347 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3348 | goto out; |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3349 | } |
| 3350 | |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3351 | if (do_join) { |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 3352 | ret = wl1271_join(wl, set_assoc); |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3353 | if (ret < 0) { |
| 3354 | wl1271_warning("cmd join failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3355 | goto out; |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3356 | } |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 3357 | wl1271_check_operstate(wl, ieee80211_get_operstate(vif)); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3358 | } |
| 3359 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3360 | out: |
| 3361 | return; |
| 3362 | } |
| 3363 | |
| 3364 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
| 3365 | struct ieee80211_vif *vif, |
| 3366 | struct ieee80211_bss_conf *bss_conf, |
| 3367 | u32 changed) |
| 3368 | { |
| 3369 | struct wl1271 *wl = hw->priv; |
| 3370 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 3371 | int ret; |
| 3372 | |
| 3373 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", |
| 3374 | (int)changed); |
| 3375 | |
| 3376 | mutex_lock(&wl->mutex); |
| 3377 | |
| 3378 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3379 | goto out; |
| 3380 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3381 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3382 | if (ret < 0) |
| 3383 | goto out; |
| 3384 | |
| 3385 | if (is_ap) |
| 3386 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); |
| 3387 | else |
| 3388 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); |
| 3389 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3390 | wl1271_ps_elp_sleep(wl); |
| 3391 | |
| 3392 | out: |
| 3393 | mutex_unlock(&wl->mutex); |
| 3394 | } |
| 3395 | |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3396 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
| 3397 | const struct ieee80211_tx_queue_params *params) |
| 3398 | { |
| 3399 | struct wl1271 *wl = hw->priv; |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3400 | u8 ps_scheme; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3401 | int ret = 0; |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3402 | |
| 3403 | mutex_lock(&wl->mutex); |
| 3404 | |
| 3405 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 3406 | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3407 | if (params->uapsd) |
| 3408 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; |
| 3409 | else |
| 3410 | ps_scheme = CONF_PS_SCHEME_LEGACY; |
| 3411 | |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3412 | if (wl->state == WL1271_STATE_OFF) { |
| 3413 | /* |
| 3414 | * If the state is off, the parameters will be recorded and |
| 3415 | * configured on init. This happens in AP-mode. |
| 3416 | */ |
| 3417 | struct conf_tx_ac_category *conf_ac = |
| 3418 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; |
| 3419 | struct conf_tx_tid *conf_tid = |
| 3420 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; |
| 3421 | |
| 3422 | conf_ac->ac = wl1271_tx_get_queue(queue); |
| 3423 | conf_ac->cw_min = (u8)params->cw_min; |
| 3424 | conf_ac->cw_max = params->cw_max; |
| 3425 | conf_ac->aifsn = params->aifs; |
| 3426 | conf_ac->tx_op_limit = params->txop << 5; |
| 3427 | |
| 3428 | conf_tid->queue_id = wl1271_tx_get_queue(queue); |
| 3429 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; |
| 3430 | conf_tid->tsid = wl1271_tx_get_queue(queue); |
| 3431 | conf_tid->ps_scheme = ps_scheme; |
| 3432 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; |
| 3433 | conf_tid->apsd_conf[0] = 0; |
| 3434 | conf_tid->apsd_conf[1] = 0; |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3435 | goto out; |
| 3436 | } |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3437 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3438 | ret = wl1271_ps_elp_wakeup(wl); |
| 3439 | if (ret < 0) |
| 3440 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3441 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3442 | /* |
| 3443 | * the txop is confed in units of 32us by the mac80211, |
| 3444 | * we need us |
| 3445 | */ |
| 3446 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
| 3447 | params->cw_min, params->cw_max, |
| 3448 | params->aifs, params->txop << 5); |
| 3449 | if (ret < 0) |
| 3450 | goto out_sleep; |
| 3451 | |
| 3452 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
| 3453 | CONF_CHANNEL_TYPE_EDCF, |
| 3454 | wl1271_tx_get_queue(queue), |
| 3455 | ps_scheme, CONF_ACK_POLICY_LEGACY, |
| 3456 | 0, 0); |
Kalle Valo | c82c1dd | 2010-02-18 13:25:47 +0200 | [diff] [blame] | 3457 | |
| 3458 | out_sleep: |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3459 | wl1271_ps_elp_sleep(wl); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3460 | |
| 3461 | out: |
| 3462 | mutex_unlock(&wl->mutex); |
| 3463 | |
| 3464 | return ret; |
| 3465 | } |
| 3466 | |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3467 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
| 3468 | { |
| 3469 | |
| 3470 | struct wl1271 *wl = hw->priv; |
| 3471 | u64 mactime = ULLONG_MAX; |
| 3472 | int ret; |
| 3473 | |
| 3474 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); |
| 3475 | |
| 3476 | mutex_lock(&wl->mutex); |
| 3477 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3478 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3479 | goto out; |
| 3480 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3481 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3482 | if (ret < 0) |
| 3483 | goto out; |
| 3484 | |
| 3485 | ret = wl1271_acx_tsf_info(wl, &mactime); |
| 3486 | if (ret < 0) |
| 3487 | goto out_sleep; |
| 3488 | |
| 3489 | out_sleep: |
| 3490 | wl1271_ps_elp_sleep(wl); |
| 3491 | |
| 3492 | out: |
| 3493 | mutex_unlock(&wl->mutex); |
| 3494 | return mactime; |
| 3495 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3496 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3497 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 3498 | struct survey_info *survey) |
| 3499 | { |
| 3500 | struct wl1271 *wl = hw->priv; |
| 3501 | struct ieee80211_conf *conf = &hw->conf; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3502 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3503 | if (idx != 0) |
| 3504 | return -ENOENT; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3505 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3506 | survey->channel = conf->channel; |
| 3507 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 3508 | survey->noise = wl->noise; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3509 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3510 | return 0; |
| 3511 | } |
| 3512 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3513 | static int wl1271_allocate_sta(struct wl1271 *wl, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3514 | struct ieee80211_sta *sta, |
| 3515 | u8 *hlid) |
| 3516 | { |
| 3517 | struct wl1271_station *wl_sta; |
| 3518 | int id; |
| 3519 | |
| 3520 | id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS); |
| 3521 | if (id >= AP_MAX_STATIONS) { |
| 3522 | wl1271_warning("could not allocate HLID - too much stations"); |
| 3523 | return -EBUSY; |
| 3524 | } |
| 3525 | |
| 3526 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3527 | __set_bit(id, wl->ap_hlid_map); |
| 3528 | wl_sta->hlid = WL1271_AP_STA_HLID_START + id; |
| 3529 | *hlid = wl_sta->hlid; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3530 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3531 | return 0; |
| 3532 | } |
| 3533 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3534 | static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3535 | { |
| 3536 | int id = hlid - WL1271_AP_STA_HLID_START; |
| 3537 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3538 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3539 | return; |
| 3540 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3541 | __clear_bit(id, wl->ap_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3542 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3543 | wl1271_tx_reset_link_queues(wl, hlid); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3544 | __clear_bit(hlid, &wl->ap_ps_map); |
| 3545 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3546 | } |
| 3547 | |
Arik Nemtsov | 3618f30 | 2011-06-26 10:36:03 +0300 | [diff] [blame] | 3548 | bool wl1271_is_active_sta(struct wl1271 *wl, u8 hlid) |
| 3549 | { |
| 3550 | int id = hlid - WL1271_AP_STA_HLID_START; |
| 3551 | return test_bit(id, wl->ap_hlid_map); |
| 3552 | } |
| 3553 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3554 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, |
| 3555 | struct ieee80211_vif *vif, |
| 3556 | struct ieee80211_sta *sta) |
| 3557 | { |
| 3558 | struct wl1271 *wl = hw->priv; |
| 3559 | int ret = 0; |
| 3560 | u8 hlid; |
| 3561 | |
| 3562 | mutex_lock(&wl->mutex); |
| 3563 | |
| 3564 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3565 | goto out; |
| 3566 | |
| 3567 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3568 | goto out; |
| 3569 | |
| 3570 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
| 3571 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3572 | ret = wl1271_allocate_sta(wl, sta, &hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3573 | if (ret < 0) |
| 3574 | goto out; |
| 3575 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3576 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3577 | if (ret < 0) |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3578 | goto out_free_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3579 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 3580 | ret = wl12xx_cmd_add_peer(wl, sta, hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3581 | if (ret < 0) |
| 3582 | goto out_sleep; |
| 3583 | |
| 3584 | out_sleep: |
| 3585 | wl1271_ps_elp_sleep(wl); |
| 3586 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3587 | out_free_sta: |
| 3588 | if (ret < 0) |
| 3589 | wl1271_free_sta(wl, hlid); |
| 3590 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3591 | out: |
| 3592 | mutex_unlock(&wl->mutex); |
| 3593 | return ret; |
| 3594 | } |
| 3595 | |
| 3596 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, |
| 3597 | struct ieee80211_vif *vif, |
| 3598 | struct ieee80211_sta *sta) |
| 3599 | { |
| 3600 | struct wl1271 *wl = hw->priv; |
| 3601 | struct wl1271_station *wl_sta; |
| 3602 | int ret = 0, id; |
| 3603 | |
| 3604 | mutex_lock(&wl->mutex); |
| 3605 | |
| 3606 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3607 | goto out; |
| 3608 | |
| 3609 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3610 | goto out; |
| 3611 | |
| 3612 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
| 3613 | |
| 3614 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 3615 | id = wl_sta->hlid - WL1271_AP_STA_HLID_START; |
| 3616 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3617 | goto out; |
| 3618 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3619 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3620 | if (ret < 0) |
| 3621 | goto out; |
| 3622 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 3623 | ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3624 | if (ret < 0) |
| 3625 | goto out_sleep; |
| 3626 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3627 | wl1271_free_sta(wl, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3628 | |
| 3629 | out_sleep: |
| 3630 | wl1271_ps_elp_sleep(wl); |
| 3631 | |
| 3632 | out: |
| 3633 | mutex_unlock(&wl->mutex); |
| 3634 | return ret; |
| 3635 | } |
| 3636 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 3637 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
| 3638 | struct ieee80211_vif *vif, |
| 3639 | enum ieee80211_ampdu_mlme_action action, |
| 3640 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 3641 | u8 buf_size) |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3642 | { |
| 3643 | struct wl1271 *wl = hw->priv; |
| 3644 | int ret; |
| 3645 | |
| 3646 | mutex_lock(&wl->mutex); |
| 3647 | |
| 3648 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 3649 | ret = -EAGAIN; |
| 3650 | goto out; |
| 3651 | } |
| 3652 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3653 | ret = wl1271_ps_elp_wakeup(wl); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3654 | if (ret < 0) |
| 3655 | goto out; |
| 3656 | |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 3657 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
| 3658 | tid, action); |
| 3659 | |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3660 | switch (action) { |
| 3661 | case IEEE80211_AMPDU_RX_START: |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 3662 | if ((wl->ba_support) && (wl->ba_allowed)) { |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3663 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn, |
| 3664 | true); |
| 3665 | if (!ret) |
| 3666 | wl->ba_rx_bitmap |= BIT(tid); |
| 3667 | } else { |
| 3668 | ret = -ENOTSUPP; |
| 3669 | } |
| 3670 | break; |
| 3671 | |
| 3672 | case IEEE80211_AMPDU_RX_STOP: |
| 3673 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, 0, false); |
| 3674 | if (!ret) |
| 3675 | wl->ba_rx_bitmap &= ~BIT(tid); |
| 3676 | break; |
| 3677 | |
| 3678 | /* |
| 3679 | * The BA initiator session management in FW independently. |
| 3680 | * Falling break here on purpose for all TX APDU commands. |
| 3681 | */ |
| 3682 | case IEEE80211_AMPDU_TX_START: |
| 3683 | case IEEE80211_AMPDU_TX_STOP: |
| 3684 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 3685 | ret = -EINVAL; |
| 3686 | break; |
| 3687 | |
| 3688 | default: |
| 3689 | wl1271_error("Incorrect ampdu action id=%x\n", action); |
| 3690 | ret = -EINVAL; |
| 3691 | } |
| 3692 | |
| 3693 | wl1271_ps_elp_sleep(wl); |
| 3694 | |
| 3695 | out: |
| 3696 | mutex_unlock(&wl->mutex); |
| 3697 | |
| 3698 | return ret; |
| 3699 | } |
| 3700 | |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3701 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
| 3702 | { |
| 3703 | struct wl1271 *wl = hw->priv; |
| 3704 | bool ret = false; |
| 3705 | |
| 3706 | mutex_lock(&wl->mutex); |
| 3707 | |
| 3708 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3709 | goto out; |
| 3710 | |
| 3711 | /* packets are considered pending if in the TX queue or the FW */ |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 3712 | ret = (wl1271_tx_total_queue_count(wl) > 0) || (wl->tx_frames_cnt > 0); |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3713 | |
| 3714 | /* the above is appropriate for STA mode for PS purposes */ |
| 3715 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 3716 | |
| 3717 | out: |
| 3718 | mutex_unlock(&wl->mutex); |
| 3719 | |
| 3720 | return ret; |
| 3721 | } |
| 3722 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3723 | /* can't be const, mac80211 writes to this */ |
| 3724 | static struct ieee80211_rate wl1271_rates[] = { |
| 3725 | { .bitrate = 10, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3726 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
| 3727 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3728 | { .bitrate = 20, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3729 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
| 3730 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3731 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3732 | { .bitrate = 55, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3733 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
| 3734 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3735 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3736 | { .bitrate = 110, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3737 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
| 3738 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3739 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3740 | { .bitrate = 60, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3741 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3742 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3743 | { .bitrate = 90, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3744 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3745 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3746 | { .bitrate = 120, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3747 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3748 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3749 | { .bitrate = 180, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3750 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3751 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3752 | { .bitrate = 240, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3753 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3754 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3755 | { .bitrate = 360, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3756 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3757 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3758 | { .bitrate = 480, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3759 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3760 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3761 | { .bitrate = 540, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3762 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3763 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3764 | }; |
| 3765 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3766 | /* can't be const, mac80211 writes to this */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3767 | static struct ieee80211_channel wl1271_channels[] = { |
Luciano Coelho | a2d0e3f | 2009-12-11 15:40:46 +0200 | [diff] [blame] | 3768 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3769 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3770 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
| 3771 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, |
| 3772 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3773 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3774 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
| 3775 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, |
| 3776 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3777 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3778 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
| 3779 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, |
| 3780 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, |
Arik Nemtsov | 6c89b7b | 2011-01-18 20:39:52 +0100 | [diff] [blame] | 3781 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3782 | }; |
| 3783 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3784 | /* mapping to indexes for wl1271_rates */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3785 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3786 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3787 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3788 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3789 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3790 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3791 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3792 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3793 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3794 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3795 | |
| 3796 | 11, /* CONF_HW_RXTX_RATE_54 */ |
| 3797 | 10, /* CONF_HW_RXTX_RATE_48 */ |
| 3798 | 9, /* CONF_HW_RXTX_RATE_36 */ |
| 3799 | 8, /* CONF_HW_RXTX_RATE_24 */ |
| 3800 | |
| 3801 | /* TI-specific rate */ |
| 3802 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3803 | |
| 3804 | 7, /* CONF_HW_RXTX_RATE_18 */ |
| 3805 | 6, /* CONF_HW_RXTX_RATE_12 */ |
| 3806 | 3, /* CONF_HW_RXTX_RATE_11 */ |
| 3807 | 5, /* CONF_HW_RXTX_RATE_9 */ |
| 3808 | 4, /* CONF_HW_RXTX_RATE_6 */ |
| 3809 | 2, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3810 | 1, /* CONF_HW_RXTX_RATE_2 */ |
| 3811 | 0 /* CONF_HW_RXTX_RATE_1 */ |
| 3812 | }; |
| 3813 | |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3814 | /* 11n STA capabilities */ |
| 3815 | #define HW_RX_HIGHEST_RATE 72 |
| 3816 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3817 | #ifdef CONFIG_WL12XX_HT |
| 3818 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 871d0c3 | 2011-03-13 11:24:40 +0200 | [diff] [blame] | 3819 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
| 3820 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3821 | .ht_supported = true, \ |
| 3822 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ |
| 3823 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ |
| 3824 | .mcs = { \ |
| 3825 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ |
| 3826 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ |
| 3827 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ |
| 3828 | }, \ |
| 3829 | } |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3830 | #else |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3831 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3832 | .ht_supported = false, \ |
| 3833 | } |
| 3834 | #endif |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3835 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3836 | /* can't be const, mac80211 writes to this */ |
| 3837 | static struct ieee80211_supported_band wl1271_band_2ghz = { |
| 3838 | .channels = wl1271_channels, |
| 3839 | .n_channels = ARRAY_SIZE(wl1271_channels), |
| 3840 | .bitrates = wl1271_rates, |
| 3841 | .n_bitrates = ARRAY_SIZE(wl1271_rates), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3842 | .ht_cap = WL12XX_HT_CAP, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3843 | }; |
| 3844 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3845 | /* 5 GHz data rates for WL1273 */ |
| 3846 | static struct ieee80211_rate wl1271_rates_5ghz[] = { |
| 3847 | { .bitrate = 60, |
| 3848 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3849 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 3850 | { .bitrate = 90, |
| 3851 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3852 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
| 3853 | { .bitrate = 120, |
| 3854 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3855 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
| 3856 | { .bitrate = 180, |
| 3857 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3858 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
| 3859 | { .bitrate = 240, |
| 3860 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3861 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
| 3862 | { .bitrate = 360, |
| 3863 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3864 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
| 3865 | { .bitrate = 480, |
| 3866 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3867 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
| 3868 | { .bitrate = 540, |
| 3869 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3870 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
| 3871 | }; |
| 3872 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3873 | /* 5 GHz band channels for WL1273 */ |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3874 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
Arik Nemtsov | 6cfa5cf | 2011-06-27 22:06:33 +0300 | [diff] [blame] | 3875 | { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, |
| 3876 | { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, |
| 3877 | { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, |
| 3878 | { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, |
| 3879 | { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, |
| 3880 | { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, |
| 3881 | { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, |
| 3882 | { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, |
| 3883 | { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, |
| 3884 | { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, |
| 3885 | { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, |
| 3886 | { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, |
| 3887 | { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, |
| 3888 | { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, |
| 3889 | { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, |
| 3890 | { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, |
| 3891 | { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, |
| 3892 | { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, |
| 3893 | { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, |
| 3894 | { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, |
| 3895 | { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, |
| 3896 | { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, |
| 3897 | { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, |
| 3898 | { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, |
| 3899 | { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, |
| 3900 | { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, |
| 3901 | { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, |
| 3902 | { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, |
| 3903 | { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, |
| 3904 | { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, |
| 3905 | { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, |
| 3906 | { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, |
| 3907 | { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, |
| 3908 | { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3909 | }; |
| 3910 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3911 | /* mapping to indexes for wl1271_rates_5ghz */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3912 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3913 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3914 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3915 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3916 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3917 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3918 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3919 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3920 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3921 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3922 | |
| 3923 | 7, /* CONF_HW_RXTX_RATE_54 */ |
| 3924 | 6, /* CONF_HW_RXTX_RATE_48 */ |
| 3925 | 5, /* CONF_HW_RXTX_RATE_36 */ |
| 3926 | 4, /* CONF_HW_RXTX_RATE_24 */ |
| 3927 | |
| 3928 | /* TI-specific rate */ |
| 3929 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3930 | |
| 3931 | 3, /* CONF_HW_RXTX_RATE_18 */ |
| 3932 | 2, /* CONF_HW_RXTX_RATE_12 */ |
| 3933 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ |
| 3934 | 1, /* CONF_HW_RXTX_RATE_9 */ |
| 3935 | 0, /* CONF_HW_RXTX_RATE_6 */ |
| 3936 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3937 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ |
| 3938 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ |
| 3939 | }; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3940 | |
| 3941 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
| 3942 | .channels = wl1271_channels_5ghz, |
| 3943 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), |
| 3944 | .bitrates = wl1271_rates_5ghz, |
| 3945 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3946 | .ht_cap = WL12XX_HT_CAP, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3947 | }; |
| 3948 | |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3949 | static const u8 *wl1271_band_rate_to_idx[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3950 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
| 3951 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz |
| 3952 | }; |
| 3953 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3954 | static const struct ieee80211_ops wl1271_ops = { |
| 3955 | .start = wl1271_op_start, |
| 3956 | .stop = wl1271_op_stop, |
| 3957 | .add_interface = wl1271_op_add_interface, |
| 3958 | .remove_interface = wl1271_op_remove_interface, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 3959 | #ifdef CONFIG_PM |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 3960 | .suspend = wl1271_op_suspend, |
| 3961 | .resume = wl1271_op_resume, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 3962 | #endif |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3963 | .config = wl1271_op_config, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3964 | .prepare_multicast = wl1271_op_prepare_multicast, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3965 | .configure_filter = wl1271_op_configure_filter, |
| 3966 | .tx = wl1271_op_tx, |
| 3967 | .set_key = wl1271_op_set_key, |
| 3968 | .hw_scan = wl1271_op_hw_scan, |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3969 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3970 | .sched_scan_start = wl1271_op_sched_scan_start, |
| 3971 | .sched_scan_stop = wl1271_op_sched_scan_stop, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3972 | .bss_info_changed = wl1271_op_bss_info_changed, |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3973 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3974 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3975 | .conf_tx = wl1271_op_conf_tx, |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3976 | .get_tsf = wl1271_op_get_tsf, |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3977 | .get_survey = wl1271_op_get_survey, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3978 | .sta_add = wl1271_op_sta_add, |
| 3979 | .sta_remove = wl1271_op_sta_remove, |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3980 | .ampdu_action = wl1271_op_ampdu_action, |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3981 | .tx_frames_pending = wl1271_tx_frames_pending, |
Kalle Valo | c8c9087 | 2010-02-18 13:25:53 +0200 | [diff] [blame] | 3982 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3983 | }; |
| 3984 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3985 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3986 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3987 | { |
| 3988 | u8 idx; |
| 3989 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3990 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3991 | |
| 3992 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { |
| 3993 | wl1271_error("Illegal RX rate from HW: %d", rate); |
| 3994 | return 0; |
| 3995 | } |
| 3996 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3997 | idx = wl1271_band_rate_to_idx[band][rate]; |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3998 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
| 3999 | wl1271_error("Unsupported RX rate from HW: %d", rate); |
| 4000 | return 0; |
| 4001 | } |
| 4002 | |
| 4003 | return idx; |
| 4004 | } |
| 4005 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4006 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
| 4007 | struct device_attribute *attr, |
| 4008 | char *buf) |
| 4009 | { |
| 4010 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4011 | ssize_t len; |
| 4012 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 4013 | len = PAGE_SIZE; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4014 | |
| 4015 | mutex_lock(&wl->mutex); |
| 4016 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", |
| 4017 | wl->sg_enabled); |
| 4018 | mutex_unlock(&wl->mutex); |
| 4019 | |
| 4020 | return len; |
| 4021 | |
| 4022 | } |
| 4023 | |
| 4024 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, |
| 4025 | struct device_attribute *attr, |
| 4026 | const char *buf, size_t count) |
| 4027 | { |
| 4028 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4029 | unsigned long res; |
| 4030 | int ret; |
| 4031 | |
Luciano Coelho | 6277ed6 | 2011-04-01 17:49:54 +0300 | [diff] [blame] | 4032 | ret = kstrtoul(buf, 10, &res); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4033 | if (ret < 0) { |
| 4034 | wl1271_warning("incorrect value written to bt_coex_mode"); |
| 4035 | return count; |
| 4036 | } |
| 4037 | |
| 4038 | mutex_lock(&wl->mutex); |
| 4039 | |
| 4040 | res = !!res; |
| 4041 | |
| 4042 | if (res == wl->sg_enabled) |
| 4043 | goto out; |
| 4044 | |
| 4045 | wl->sg_enabled = res; |
| 4046 | |
| 4047 | if (wl->state == WL1271_STATE_OFF) |
| 4048 | goto out; |
| 4049 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4050 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4051 | if (ret < 0) |
| 4052 | goto out; |
| 4053 | |
| 4054 | wl1271_acx_sg_enable(wl, wl->sg_enabled); |
| 4055 | wl1271_ps_elp_sleep(wl); |
| 4056 | |
| 4057 | out: |
| 4058 | mutex_unlock(&wl->mutex); |
| 4059 | return count; |
| 4060 | } |
| 4061 | |
| 4062 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, |
| 4063 | wl1271_sysfs_show_bt_coex_state, |
| 4064 | wl1271_sysfs_store_bt_coex_state); |
| 4065 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4066 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
| 4067 | struct device_attribute *attr, |
| 4068 | char *buf) |
| 4069 | { |
| 4070 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4071 | ssize_t len; |
| 4072 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 4073 | len = PAGE_SIZE; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4074 | |
| 4075 | mutex_lock(&wl->mutex); |
| 4076 | if (wl->hw_pg_ver >= 0) |
| 4077 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); |
| 4078 | else |
| 4079 | len = snprintf(buf, len, "n/a\n"); |
| 4080 | mutex_unlock(&wl->mutex); |
| 4081 | |
| 4082 | return len; |
| 4083 | } |
| 4084 | |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 4085 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO, |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4086 | wl1271_sysfs_show_hw_pg_ver, NULL); |
| 4087 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4088 | static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, |
| 4089 | struct bin_attribute *bin_attr, |
| 4090 | char *buffer, loff_t pos, size_t count) |
| 4091 | { |
| 4092 | struct device *dev = container_of(kobj, struct device, kobj); |
| 4093 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4094 | ssize_t len; |
| 4095 | int ret; |
| 4096 | |
| 4097 | ret = mutex_lock_interruptible(&wl->mutex); |
| 4098 | if (ret < 0) |
| 4099 | return -ERESTARTSYS; |
| 4100 | |
| 4101 | /* Let only one thread read the log at a time, blocking others */ |
| 4102 | while (wl->fwlog_size == 0) { |
| 4103 | DEFINE_WAIT(wait); |
| 4104 | |
| 4105 | prepare_to_wait_exclusive(&wl->fwlog_waitq, |
| 4106 | &wait, |
| 4107 | TASK_INTERRUPTIBLE); |
| 4108 | |
| 4109 | if (wl->fwlog_size != 0) { |
| 4110 | finish_wait(&wl->fwlog_waitq, &wait); |
| 4111 | break; |
| 4112 | } |
| 4113 | |
| 4114 | mutex_unlock(&wl->mutex); |
| 4115 | |
| 4116 | schedule(); |
| 4117 | finish_wait(&wl->fwlog_waitq, &wait); |
| 4118 | |
| 4119 | if (signal_pending(current)) |
| 4120 | return -ERESTARTSYS; |
| 4121 | |
| 4122 | ret = mutex_lock_interruptible(&wl->mutex); |
| 4123 | if (ret < 0) |
| 4124 | return -ERESTARTSYS; |
| 4125 | } |
| 4126 | |
| 4127 | /* Check if the fwlog is still valid */ |
| 4128 | if (wl->fwlog_size < 0) { |
| 4129 | mutex_unlock(&wl->mutex); |
| 4130 | return 0; |
| 4131 | } |
| 4132 | |
| 4133 | /* Seeking is not supported - old logs are not kept. Disregard pos. */ |
| 4134 | len = min(count, (size_t)wl->fwlog_size); |
| 4135 | wl->fwlog_size -= len; |
| 4136 | memcpy(buffer, wl->fwlog, len); |
| 4137 | |
| 4138 | /* Make room for new messages */ |
| 4139 | memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size); |
| 4140 | |
| 4141 | mutex_unlock(&wl->mutex); |
| 4142 | |
| 4143 | return len; |
| 4144 | } |
| 4145 | |
| 4146 | static struct bin_attribute fwlog_attr = { |
| 4147 | .attr = {.name = "fwlog", .mode = S_IRUSR}, |
| 4148 | .read = wl1271_sysfs_read_fwlog, |
| 4149 | }; |
| 4150 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4151 | int wl1271_register_hw(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4152 | { |
| 4153 | int ret; |
| 4154 | |
| 4155 | if (wl->mac80211_registered) |
| 4156 | return 0; |
| 4157 | |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 4158 | ret = wl1271_fetch_nvs(wl); |
| 4159 | if (ret == 0) { |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 4160 | /* NOTE: The wl->nvs->nvs element must be first, in |
| 4161 | * order to simplify the casting, we assume it is at |
| 4162 | * the beginning of the wl->nvs structure. |
| 4163 | */ |
| 4164 | u8 *nvs_ptr = (u8 *)wl->nvs; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 4165 | |
| 4166 | wl->mac_addr[0] = nvs_ptr[11]; |
| 4167 | wl->mac_addr[1] = nvs_ptr[10]; |
| 4168 | wl->mac_addr[2] = nvs_ptr[6]; |
| 4169 | wl->mac_addr[3] = nvs_ptr[5]; |
| 4170 | wl->mac_addr[4] = nvs_ptr[4]; |
| 4171 | wl->mac_addr[5] = nvs_ptr[3]; |
| 4172 | } |
| 4173 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4174 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 4175 | |
| 4176 | ret = ieee80211_register_hw(wl->hw); |
| 4177 | if (ret < 0) { |
| 4178 | wl1271_error("unable to register mac80211 hw: %d", ret); |
| 4179 | return ret; |
| 4180 | } |
| 4181 | |
| 4182 | wl->mac80211_registered = true; |
| 4183 | |
Eliad Peller | d60080a | 2010-11-24 12:53:16 +0200 | [diff] [blame] | 4184 | wl1271_debugfs_init(wl); |
| 4185 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 4186 | register_netdevice_notifier(&wl1271_dev_notifier); |
| 4187 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4188 | wl1271_notice("loaded"); |
| 4189 | |
| 4190 | return 0; |
| 4191 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4192 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4193 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4194 | void wl1271_unregister_hw(struct wl1271 *wl) |
| 4195 | { |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 4196 | if (wl->state == WL1271_STATE_PLT) |
| 4197 | __wl1271_plt_stop(wl); |
| 4198 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 4199 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4200 | ieee80211_unregister_hw(wl->hw); |
| 4201 | wl->mac80211_registered = false; |
| 4202 | |
| 4203 | } |
| 4204 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); |
| 4205 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4206 | int wl1271_init_ieee80211(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4207 | { |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4208 | static const u32 cipher_suites[] = { |
| 4209 | WLAN_CIPHER_SUITE_WEP40, |
| 4210 | WLAN_CIPHER_SUITE_WEP104, |
| 4211 | WLAN_CIPHER_SUITE_TKIP, |
| 4212 | WLAN_CIPHER_SUITE_CCMP, |
| 4213 | WL1271_CIPHER_SUITE_GEM, |
| 4214 | }; |
| 4215 | |
Juuso Oikarinen | 1e2b797 | 2009-10-08 21:56:20 +0300 | [diff] [blame] | 4216 | /* The tx descriptor buffer and the TKIP space. */ |
| 4217 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + |
| 4218 | sizeof(struct wl1271_tx_hw_descr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4219 | |
| 4220 | /* unit us */ |
| 4221 | /* FIXME: find a proper value */ |
| 4222 | wl->hw->channel_change_time = 10000; |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 4223 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4224 | |
| 4225 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 03442a3 | 2009-11-23 23:22:14 +0200 | [diff] [blame] | 4226 | IEEE80211_HW_BEACON_FILTER | |
Juuso Oikarinen | 0a34332 | 2010-02-22 08:38:41 +0200 | [diff] [blame] | 4227 | IEEE80211_HW_SUPPORTS_PS | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 4228 | IEEE80211_HW_SUPPORTS_UAPSD | |
Juuso Oikarinen | a9af092 | 2010-03-26 12:53:30 +0200 | [diff] [blame] | 4229 | IEEE80211_HW_HAS_RATE_CONTROL | |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4230 | IEEE80211_HW_CONNECTION_MONITOR | |
Eliad Peller | 62c0740 | 2011-02-02 11:20:05 +0200 | [diff] [blame] | 4231 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
Luciano Coelho | 25eaea30 | 2011-05-02 12:37:33 +0300 | [diff] [blame] | 4232 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Shahar Levi | fcd23b6 | 2011-05-11 12:12:56 +0300 | [diff] [blame] | 4233 | IEEE80211_HW_SPECTRUM_MGMT | |
Arik Nemtsov | ba7c082 | 2011-02-23 00:22:28 +0200 | [diff] [blame] | 4234 | IEEE80211_HW_AP_LINK_PS; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4235 | |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4236 | wl->hw->wiphy->cipher_suites = cipher_suites; |
| 4237 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 4238 | |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 4239 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 4240 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4241 | wl->hw->wiphy->max_scan_ssids = 1; |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 4242 | /* |
| 4243 | * Maximum length of elements in scanning probe request templates |
| 4244 | * should be the maximum length possible for a template, without |
| 4245 | * the IEEE80211 header of the template |
| 4246 | */ |
| 4247 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
| 4248 | sizeof(struct ieee80211_header); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4249 | |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 4250 | /* make sure all our channels fit in the scanned_ch bitmask */ |
| 4251 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + |
| 4252 | ARRAY_SIZE(wl1271_channels_5ghz) > |
| 4253 | WL1271_MAX_CHANNELS); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4254 | /* |
| 4255 | * We keep local copies of the band structs because we need to |
| 4256 | * modify them on a per-device basis. |
| 4257 | */ |
| 4258 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, |
| 4259 | sizeof(wl1271_band_2ghz)); |
| 4260 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
| 4261 | sizeof(wl1271_band_5ghz)); |
| 4262 | |
| 4263 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 4264 | &wl->bands[IEEE80211_BAND_2GHZ]; |
| 4265 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 4266 | &wl->bands[IEEE80211_BAND_5GHZ]; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4267 | |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4268 | wl->hw->queues = 4; |
Juuso Oikarinen | 31627dc | 2010-03-26 12:53:12 +0200 | [diff] [blame] | 4269 | wl->hw->max_rates = 1; |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4270 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 4271 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
| 4272 | |
Teemu Paasikivi | 8197b71 | 2010-02-22 08:38:23 +0200 | [diff] [blame] | 4273 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4274 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4275 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
| 4276 | |
Luciano Coelho | 4c9cfa7 | 2011-01-12 14:27:03 +0100 | [diff] [blame] | 4277 | wl->hw->max_rx_aggregation_subframes = 8; |
| 4278 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4279 | return 0; |
| 4280 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4281 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4282 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4283 | #define WL1271_DEFAULT_CHANNEL 0 |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4284 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4285 | struct ieee80211_hw *wl1271_alloc_hw(void) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4286 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4287 | struct ieee80211_hw *hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4288 | struct platform_device *plat_dev = NULL; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4289 | struct wl1271 *wl; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4290 | int i, j, ret; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4291 | unsigned int order; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4292 | |
| 4293 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
| 4294 | if (!hw) { |
| 4295 | wl1271_error("could not alloc ieee80211_hw"); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4296 | ret = -ENOMEM; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4297 | goto err_hw_alloc; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4298 | } |
| 4299 | |
Julia Lawall | 929ebd3 | 2010-05-15 23:16:39 +0200 | [diff] [blame] | 4300 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4301 | if (!plat_dev) { |
| 4302 | wl1271_error("could not allocate platform_device"); |
| 4303 | ret = -ENOMEM; |
| 4304 | goto err_plat_alloc; |
| 4305 | } |
| 4306 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4307 | wl = hw->priv; |
| 4308 | memset(wl, 0, sizeof(*wl)); |
| 4309 | |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 4310 | INIT_LIST_HEAD(&wl->list); |
| 4311 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4312 | wl->hw = hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4313 | wl->plat_dev = plat_dev; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4314 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 4315 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 4316 | skb_queue_head_init(&wl->tx_queue[i]); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4317 | |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4318 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 4319 | for (j = 0; j < AP_MAX_LINKS; j++) |
| 4320 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
| 4321 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4322 | skb_queue_head_init(&wl->deferred_rx_queue); |
| 4323 | skb_queue_head_init(&wl->deferred_tx_queue); |
| 4324 | |
Juuso Oikarinen | 37b70a8 | 2009-10-08 21:56:21 +0300 | [diff] [blame] | 4325 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 4326 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4327 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
Juuso Oikarinen | 117b38d | 2010-09-30 10:43:28 +0200 | [diff] [blame] | 4328 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
| 4329 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); |
| 4330 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 4331 | INIT_WORK(&wl->rx_streaming_enable_work, |
| 4332 | wl1271_rx_streaming_enable_work); |
| 4333 | INIT_WORK(&wl->rx_streaming_disable_work, |
| 4334 | wl1271_rx_streaming_disable_work); |
| 4335 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4336 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
| 4337 | if (!wl->freezable_wq) { |
| 4338 | ret = -ENOMEM; |
| 4339 | goto err_hw; |
| 4340 | } |
| 4341 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4342 | wl->channel = WL1271_DEFAULT_CHANNEL; |
Juuso Oikarinen | 60e84c2 | 2010-03-26 12:53:25 +0200 | [diff] [blame] | 4343 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4344 | wl->default_key = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4345 | wl->rx_counter = 0; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 4346 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4347 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Juuso Oikarinen | a6fe231 | 2009-12-11 15:40:58 +0200 | [diff] [blame] | 4348 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 4349 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 4350 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 4351 | wl->band = IEEE80211_BAND_2GHZ; |
Juuso Oikarinen | b771eee | 2009-10-08 21:56:34 +0300 | [diff] [blame] | 4352 | wl->vif = NULL; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 4353 | wl->flags = 0; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4354 | wl->sg_enabled = true; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4355 | wl->hw_pg_ver = -1; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 4356 | wl->bss_type = MAX_BSS_TYPE; |
| 4357 | wl->set_bss_type = MAX_BSS_TYPE; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4358 | wl->last_tx_hlid = 0; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4359 | wl->ap_ps_map = 0; |
| 4360 | wl->ap_fw_ps_map = 0; |
Ido Yariv | 606ea9f | 2011-03-01 15:14:39 +0200 | [diff] [blame] | 4361 | wl->quirks = 0; |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 4362 | wl->platform_quirks = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 4363 | wl->sched_scanning = false; |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 4364 | wl->tx_security_seq = 0; |
| 4365 | wl->tx_security_last_seq_lsb = 0; |
Eliad Peller | 7f097988 | 2011-08-14 13:17:06 +0300 | [diff] [blame] | 4366 | wl->role_id = WL12XX_INVALID_ROLE_ID; |
| 4367 | wl->sta_hlid = WL12XX_INVALID_LINK_ID; |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 4368 | |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 4369 | setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, |
| 4370 | (unsigned long) wl); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4371 | wl->fwlog_size = 0; |
| 4372 | init_waitqueue_head(&wl->fwlog_waitq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4373 | |
Ido Yariv | 25eeb9e | 2010-10-12 16:20:06 +0200 | [diff] [blame] | 4374 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
Juuso Oikarinen | be7078c | 2009-10-08 21:56:26 +0300 | [diff] [blame] | 4375 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4376 | wl->tx_frames[i] = NULL; |
| 4377 | |
| 4378 | spin_lock_init(&wl->wl_lock); |
| 4379 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4380 | wl->state = WL1271_STATE_OFF; |
| 4381 | mutex_init(&wl->mutex); |
| 4382 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4383 | /* Apply default driver configuration. */ |
| 4384 | wl1271_conf_init(wl); |
| 4385 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4386 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
| 4387 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
| 4388 | if (!wl->aggr_buf) { |
| 4389 | ret = -ENOMEM; |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4390 | goto err_wq; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4391 | } |
| 4392 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4393 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
| 4394 | if (!wl->dummy_packet) { |
| 4395 | ret = -ENOMEM; |
| 4396 | goto err_aggr; |
| 4397 | } |
| 4398 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4399 | /* Allocate one page for the FW log */ |
| 4400 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); |
| 4401 | if (!wl->fwlog) { |
| 4402 | ret = -ENOMEM; |
| 4403 | goto err_dummy_packet; |
| 4404 | } |
| 4405 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4406 | /* Register platform device */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4407 | ret = platform_device_register(wl->plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4408 | if (ret) { |
| 4409 | wl1271_error("couldn't register platform device"); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4410 | goto err_fwlog; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4411 | } |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4412 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4413 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4414 | /* Create sysfs file to control bt coex state */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4415 | 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] | 4416 | if (ret < 0) { |
| 4417 | wl1271_error("failed to create sysfs file bt_coex_state"); |
| 4418 | goto err_platform; |
| 4419 | } |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4420 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4421 | /* Create sysfs file to get HW PG version */ |
| 4422 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 4423 | if (ret < 0) { |
| 4424 | wl1271_error("failed to create sysfs file hw_pg_ver"); |
| 4425 | goto err_bt_coex_state; |
| 4426 | } |
| 4427 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4428 | /* Create sysfs file for the FW log */ |
| 4429 | ret = device_create_bin_file(&wl->plat_dev->dev, &fwlog_attr); |
| 4430 | if (ret < 0) { |
| 4431 | wl1271_error("failed to create sysfs file fwlog"); |
| 4432 | goto err_hw_pg_ver; |
| 4433 | } |
| 4434 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4435 | return hw; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4436 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4437 | err_hw_pg_ver: |
| 4438 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 4439 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4440 | err_bt_coex_state: |
| 4441 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
| 4442 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4443 | err_platform: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4444 | platform_device_unregister(wl->plat_dev); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4445 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4446 | err_fwlog: |
| 4447 | free_page((unsigned long)wl->fwlog); |
| 4448 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4449 | err_dummy_packet: |
| 4450 | dev_kfree_skb(wl->dummy_packet); |
| 4451 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4452 | err_aggr: |
| 4453 | free_pages((unsigned long)wl->aggr_buf, order); |
| 4454 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4455 | err_wq: |
| 4456 | destroy_workqueue(wl->freezable_wq); |
| 4457 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4458 | err_hw: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4459 | wl1271_debugfs_exit(wl); |
| 4460 | kfree(plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4461 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4462 | err_plat_alloc: |
| 4463 | ieee80211_free_hw(hw); |
| 4464 | |
| 4465 | err_hw_alloc: |
| 4466 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4467 | return ERR_PTR(ret); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4468 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4469 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4470 | |
| 4471 | int wl1271_free_hw(struct wl1271 *wl) |
| 4472 | { |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4473 | /* Unblock any fwlog readers */ |
| 4474 | mutex_lock(&wl->mutex); |
| 4475 | wl->fwlog_size = -1; |
| 4476 | wake_up_interruptible_all(&wl->fwlog_waitq); |
| 4477 | mutex_unlock(&wl->mutex); |
| 4478 | |
| 4479 | device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr); |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 4480 | |
| 4481 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 4482 | |
| 4483 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4484 | platform_device_unregister(wl->plat_dev); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4485 | free_page((unsigned long)wl->fwlog); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4486 | dev_kfree_skb(wl->dummy_packet); |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4487 | free_pages((unsigned long)wl->aggr_buf, |
| 4488 | get_order(WL1271_AGGR_BUFFER_SIZE)); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4489 | kfree(wl->plat_dev); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4490 | |
| 4491 | wl1271_debugfs_exit(wl); |
| 4492 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4493 | vfree(wl->fw); |
| 4494 | wl->fw = NULL; |
| 4495 | kfree(wl->nvs); |
| 4496 | wl->nvs = NULL; |
| 4497 | |
| 4498 | kfree(wl->fw_status); |
| 4499 | kfree(wl->tx_res_if); |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4500 | destroy_workqueue(wl->freezable_wq); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4501 | |
| 4502 | ieee80211_free_hw(wl->hw); |
| 4503 | |
| 4504 | return 0; |
| 4505 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4506 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
| 4507 | |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 4508 | u32 wl12xx_debug_level = DEBUG_NONE; |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 4509 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 4510 | 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] | 4511 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
| 4512 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4513 | module_param_named(fwlog, fwlog_param, charp, 0); |
| 4514 | MODULE_PARM_DESC(keymap, |
| 4515 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
| 4516 | |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4517 | MODULE_LICENSE("GPL"); |
Luciano Coelho | b1a48ca | 2011-02-22 14:19:28 +0200 | [diff] [blame] | 4518 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4519 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |