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 = { |
Eliad Peller | 3be4112 | 2011-08-14 13:17:19 +0300 | [diff] [blame] | 55 | .params = { |
| 56 | [CONF_SG_ACL_BT_MASTER_MIN_BR] = 10, |
| 57 | [CONF_SG_ACL_BT_MASTER_MAX_BR] = 180, |
| 58 | [CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10, |
| 59 | [CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180, |
| 60 | [CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10, |
| 61 | [CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80, |
| 62 | [CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10, |
| 63 | [CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80, |
| 64 | [CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8, |
| 65 | [CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8, |
| 66 | [CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20, |
| 67 | [CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20, |
| 68 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20, |
| 69 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35, |
| 70 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16, |
| 71 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35, |
| 72 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32, |
| 73 | [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50, |
| 74 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28, |
| 75 | [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50, |
| 76 | [CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10, |
| 77 | [CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20, |
| 78 | [CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75, |
| 79 | [CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15, |
| 80 | [CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27, |
| 81 | [CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17, |
| 82 | /* active scan params */ |
| 83 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 84 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 85 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 86 | /* passive scan params */ |
| 87 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800, |
| 88 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200, |
| 89 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 90 | /* passive scan in dual antenna params */ |
| 91 | [CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0, |
| 92 | [CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0, |
| 93 | [CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0, |
| 94 | /* general params */ |
| 95 | [CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1, |
| 96 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 97 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 98 | [CONF_SG_DHCP_TIME] = 5000, |
| 99 | [CONF_SG_RXT] = 1200, |
| 100 | [CONF_SG_TXT] = 1000, |
| 101 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 102 | [CONF_SG_GENERAL_USAGE_BIT_MAP] = 3, |
| 103 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 104 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 105 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 106 | [CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2, |
| 107 | [CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5, |
| 108 | [CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30, |
| 109 | /* AP params */ |
| 110 | [CONF_AP_BEACON_MISS_TX] = 3, |
| 111 | [CONF_AP_RX_WINDOW_AFTER_BEACON] = 10, |
| 112 | [CONF_AP_BEACON_WINDOW_INTERVAL] = 2, |
| 113 | [CONF_AP_CONNECTION_PROTECTION_TIME] = 0, |
| 114 | [CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, |
| 115 | [CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 116 | }, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 117 | .state = CONF_SG_PROTECTIVE, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 118 | }, |
| 119 | .rx = { |
| 120 | .rx_msdu_life_time = 512000, |
| 121 | .packet_detection_threshold = 0, |
| 122 | .ps_poll_timeout = 15, |
| 123 | .upsd_timeout = 15, |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 124 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 125 | .rx_cca_threshold = 0, |
| 126 | .irq_blk_threshold = 0xFFFF, |
| 127 | .irq_pkt_threshold = 0, |
| 128 | .irq_timeout = 600, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 129 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
| 130 | }, |
| 131 | .tx = { |
| 132 | .tx_energy_detection = 0, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 133 | .sta_rc_conf = { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 134 | .enabled_rates = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 135 | .short_retry_limit = 10, |
| 136 | .long_retry_limit = 10, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 137 | .aflags = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 138 | }, |
| 139 | .ac_conf_count = 4, |
| 140 | .ac_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 141 | [CONF_TX_AC_BE] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 142 | .ac = CONF_TX_AC_BE, |
| 143 | .cw_min = 15, |
| 144 | .cw_max = 63, |
| 145 | .aifsn = 3, |
| 146 | .tx_op_limit = 0, |
| 147 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 148 | [CONF_TX_AC_BK] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 149 | .ac = CONF_TX_AC_BK, |
| 150 | .cw_min = 15, |
| 151 | .cw_max = 63, |
| 152 | .aifsn = 7, |
| 153 | .tx_op_limit = 0, |
| 154 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 155 | [CONF_TX_AC_VI] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 156 | .ac = CONF_TX_AC_VI, |
| 157 | .cw_min = 15, |
| 158 | .cw_max = 63, |
| 159 | .aifsn = CONF_TX_AIFS_PIFS, |
| 160 | .tx_op_limit = 3008, |
| 161 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 162 | [CONF_TX_AC_VO] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 163 | .ac = CONF_TX_AC_VO, |
| 164 | .cw_min = 15, |
| 165 | .cw_max = 63, |
| 166 | .aifsn = CONF_TX_AIFS_PIFS, |
| 167 | .tx_op_limit = 1504, |
| 168 | }, |
| 169 | }, |
Arik Nemtsov | 3618f30 | 2011-06-26 10:36:03 +0300 | [diff] [blame] | 170 | .max_tx_retries = 100, |
| 171 | .ap_aging_period = 300, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 172 | .tid_conf_count = 4, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 173 | .tid_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 174 | [CONF_TX_AC_BE] = { |
| 175 | .queue_id = CONF_TX_AC_BE, |
| 176 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 177 | .tsid = CONF_TX_AC_BE, |
| 178 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 179 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 180 | .apsd_conf = {0, 0}, |
| 181 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 182 | [CONF_TX_AC_BK] = { |
| 183 | .queue_id = CONF_TX_AC_BK, |
| 184 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 185 | .tsid = CONF_TX_AC_BK, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 186 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 187 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 188 | .apsd_conf = {0, 0}, |
| 189 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 190 | [CONF_TX_AC_VI] = { |
| 191 | .queue_id = CONF_TX_AC_VI, |
| 192 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 193 | .tsid = CONF_TX_AC_VI, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 194 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 195 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 196 | .apsd_conf = {0, 0}, |
| 197 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 198 | [CONF_TX_AC_VO] = { |
| 199 | .queue_id = CONF_TX_AC_VO, |
| 200 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 201 | .tsid = CONF_TX_AC_VO, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 202 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 203 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 204 | .apsd_conf = {0, 0}, |
| 205 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 206 | }, |
| 207 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 208 | .tx_compl_timeout = 700, |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 209 | .tx_compl_threshold = 4, |
| 210 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, |
| 211 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 212 | .tmpl_short_retry_limit = 10, |
| 213 | .tmpl_long_retry_limit = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 214 | }, |
| 215 | .conn = { |
| 216 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 217 | .listen_interval = 1, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 218 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 219 | .bcn_filt_ie_count = 2, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 220 | .bcn_filt_ie = { |
| 221 | [0] = { |
| 222 | .ie = WLAN_EID_CHANNEL_SWITCH, |
| 223 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 224 | }, |
| 225 | [1] = { |
| 226 | .ie = WLAN_EID_HT_INFORMATION, |
| 227 | .rule = CONF_BCN_RULE_PASS_ON_CHANGE, |
| 228 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 229 | }, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 230 | .synch_fail_thold = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 231 | .bss_lose_timeout = 100, |
| 232 | .beacon_rx_timeout = 10000, |
| 233 | .broadcast_timeout = 20000, |
| 234 | .rx_broadcast_in_ps = 1, |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 235 | .ps_poll_threshold = 10, |
| 236 | .ps_poll_recovery_period = 700, |
Juuso Oikarinen | 11f70f9 | 2009-10-13 12:47:46 +0300 | [diff] [blame] | 237 | .bet_enable = CONF_BET_MODE_ENABLE, |
Ohad Ben-Cohen | 958b20e0 | 2011-03-14 18:53:10 +0200 | [diff] [blame] | 238 | .bet_max_consecutive = 50, |
Eliad Peller | a879ed7 | 2011-08-23 16:37:02 +0300 | [diff] [blame] | 239 | .psm_entry_retries = 8, |
Shahar Levi | 2370841 | 2011-04-13 14:52:50 +0300 | [diff] [blame] | 240 | .psm_exit_retries = 16, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 241 | .psm_entry_nullfunc_retries = 3, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 242 | .keep_alive_interval = 55000, |
| 243 | .max_listen_interval = 20, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 244 | }, |
Luciano Coelho | 6e92b41 | 2009-12-11 15:40:50 +0200 | [diff] [blame] | 245 | .itrim = { |
| 246 | .enable = false, |
| 247 | .timeout = 50000, |
Juuso Oikarinen | 38ad2d8 | 2009-12-11 15:41:08 +0200 | [diff] [blame] | 248 | }, |
| 249 | .pm_config = { |
| 250 | .host_clk_settling_time = 5000, |
| 251 | .host_fast_wakeup_support = false |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 252 | }, |
| 253 | .roam_trigger = { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 254 | .trigger_pacing = 1, |
| 255 | .avg_weight_rssi_beacon = 20, |
| 256 | .avg_weight_rssi_data = 10, |
| 257 | .avg_weight_snr_beacon = 20, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 258 | .avg_weight_snr_data = 10, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 259 | }, |
| 260 | .scan = { |
| 261 | .min_dwell_time_active = 7500, |
| 262 | .max_dwell_time_active = 30000, |
Juuso Oikarinen | ea45b2c | 2011-01-24 07:01:54 +0100 | [diff] [blame] | 263 | .min_dwell_time_passive = 100000, |
| 264 | .max_dwell_time_passive = 100000, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 265 | .num_probe_reqs = 2, |
| 266 | }, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 267 | .sched_scan = { |
| 268 | /* sched_scan requires dwell times in TU instead of TU/1000 */ |
Luciano Coelho | 221737d | 2011-09-02 14:28:22 +0300 | [diff] [blame] | 269 | .min_dwell_time_active = 30, |
| 270 | .max_dwell_time_active = 60, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 271 | .dwell_time_passive = 100, |
Luciano Coelho | 50a66d7 | 2011-05-27 15:34:47 +0300 | [diff] [blame] | 272 | .dwell_time_dfs = 150, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 273 | .num_probe_reqs = 2, |
| 274 | .rssi_threshold = -90, |
| 275 | .snr_threshold = 0, |
| 276 | }, |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 277 | .rf = { |
| 278 | .tx_per_channel_power_compensation_2 = { |
| 279 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 280 | }, |
| 281 | .tx_per_channel_power_compensation_5 = { |
| 282 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 283 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 284 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 285 | }, |
| 286 | }, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 287 | .ht = { |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 288 | .rx_ba_win_size = 8, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 289 | .tx_ba_win_size = 64, |
| 290 | .inactivity_timeout = 10000, |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 291 | .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 292 | }, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 293 | .mem_wl127x = { |
Eliad Peller | fe5ef09 | 2011-02-02 09:59:36 +0200 | [diff] [blame] | 294 | .num_stations = 1, |
| 295 | .ssid_profiles = 1, |
| 296 | .rx_block_num = 70, |
| 297 | .tx_min_block_num = 40, |
Ido Yariv | 4cf557f | 2011-04-18 16:45:10 +0300 | [diff] [blame] | 298 | .dynamic_memory = 1, |
Ido Yariv | b16d4b6 | 2011-03-01 15:14:44 +0200 | [diff] [blame] | 299 | .min_req_tx_blocks = 100, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 300 | .min_req_rx_blocks = 22, |
| 301 | .tx_min = 27, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 302 | }, |
| 303 | .mem_wl128x = { |
| 304 | .num_stations = 1, |
| 305 | .ssid_profiles = 1, |
| 306 | .rx_block_num = 40, |
| 307 | .tx_min_block_num = 40, |
| 308 | .dynamic_memory = 1, |
| 309 | .min_req_tx_blocks = 45, |
| 310 | .min_req_rx_blocks = 22, |
| 311 | .tx_min = 27, |
| 312 | }, |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 313 | .fm_coex = { |
| 314 | .enable = true, |
| 315 | .swallow_period = 5, |
| 316 | .n_divider_fref_set_1 = 0xff, /* default */ |
| 317 | .n_divider_fref_set_2 = 12, |
| 318 | .m_divider_fref_set_1 = 148, |
| 319 | .m_divider_fref_set_2 = 0xffff, /* default */ |
| 320 | .coex_pll_stabilization_time = 0xffffffff, /* default */ |
| 321 | .ldo_stabilization_time = 0xffff, /* default */ |
| 322 | .fm_disturbed_band_margin = 0xff, /* default */ |
| 323 | .swallow_clk_diff = 0xff, /* default */ |
| 324 | }, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 325 | .rx_streaming = { |
| 326 | .duration = 150, |
| 327 | .queues = 0x1, |
| 328 | .interval = 20, |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 329 | .always = 0, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 330 | }, |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 331 | .fwlog = { |
| 332 | .mode = WL12XX_FWLOG_ON_DEMAND, |
| 333 | .mem_blocks = 2, |
| 334 | .severity = 0, |
| 335 | .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, |
| 336 | .output = WL12XX_FWLOG_OUTPUT_HOST, |
| 337 | .threshold = 0, |
| 338 | }, |
Luciano Coelho | afb7d3c | 2011-04-01 20:48:02 +0300 | [diff] [blame] | 339 | .hci_io_ds = HCI_IO_DS_6MA, |
Eliad Peller | fa6ad9f | 2011-08-14 13:17:14 +0300 | [diff] [blame] | 340 | .rate = { |
| 341 | .rate_retry_score = 32000, |
| 342 | .per_add = 8192, |
| 343 | .per_th1 = 2048, |
| 344 | .per_th2 = 4096, |
| 345 | .max_per = 8100, |
| 346 | .inverse_curiosity_factor = 5, |
| 347 | .tx_fail_low_th = 4, |
| 348 | .tx_fail_high_th = 10, |
| 349 | .per_alpha_shift = 4, |
| 350 | .per_add_shift = 13, |
| 351 | .per_beta1_shift = 10, |
| 352 | .per_beta2_shift = 8, |
| 353 | .rate_check_up = 2, |
| 354 | .rate_check_down = 12, |
| 355 | .rate_retry_policy = { |
| 356 | 0x00, 0x00, 0x00, 0x00, 0x00, |
| 357 | 0x00, 0x00, 0x00, 0x00, 0x00, |
| 358 | 0x00, 0x00, 0x00, |
| 359 | }, |
| 360 | }, |
Eliad Peller | 9487775 | 2011-08-28 15:11:56 +0300 | [diff] [blame] | 361 | .hangover = { |
| 362 | .recover_time = 0, |
| 363 | .hangover_period = 20, |
| 364 | .dynamic_mode = 1, |
| 365 | .early_termination_mode = 1, |
| 366 | .max_period = 20, |
| 367 | .min_period = 1, |
| 368 | .increase_delta = 1, |
| 369 | .decrease_delta = 2, |
| 370 | .quiet_time = 4, |
| 371 | .increase_time = 1, |
| 372 | .window_size = 16, |
| 373 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 374 | }; |
| 375 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 376 | static char *fwlog_param; |
Eliad Peller | 2a5bff0 | 2011-08-25 18:10:59 +0300 | [diff] [blame] | 377 | static bool bug_on_recovery; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 378 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 379 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 380 | struct ieee80211_vif *vif, |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 381 | bool reset_tx_queues); |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 382 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 383 | |
| 384 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 385 | static void wl1271_device_release(struct device *dev) |
| 386 | { |
| 387 | |
| 388 | } |
| 389 | |
| 390 | static struct platform_device wl1271_device = { |
| 391 | .name = "wl1271", |
| 392 | .id = -1, |
| 393 | |
| 394 | /* device model insists to have a release function */ |
| 395 | .dev = { |
| 396 | .release = wl1271_device_release, |
| 397 | }, |
| 398 | }; |
| 399 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 400 | static DEFINE_MUTEX(wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 401 | static LIST_HEAD(wl_list); |
| 402 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 403 | static int wl1271_check_operstate(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 404 | unsigned char operstate) |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 405 | { |
| 406 | int ret; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 407 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 408 | if (operstate != IF_OPER_UP) |
| 409 | return 0; |
| 410 | |
| 411 | if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) |
| 412 | return 0; |
| 413 | |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 414 | ret = wl12xx_cmd_set_peer_state(wl, wlvif->sta.hlid); |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 415 | if (ret < 0) |
| 416 | return ret; |
| 417 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 418 | wl12xx_croc(wl, wlvif->role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 419 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 420 | wl1271_info("Association completed."); |
| 421 | return 0; |
| 422 | } |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 423 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
| 424 | void *arg) |
| 425 | { |
| 426 | struct net_device *dev = arg; |
| 427 | struct wireless_dev *wdev; |
| 428 | struct wiphy *wiphy; |
| 429 | struct ieee80211_hw *hw; |
| 430 | struct wl1271 *wl; |
| 431 | struct wl1271 *wl_temp; |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 432 | struct wl12xx_vif *wlvif; |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 433 | int ret = 0; |
| 434 | |
| 435 | /* Check that this notification is for us. */ |
| 436 | if (what != NETDEV_CHANGE) |
| 437 | return NOTIFY_DONE; |
| 438 | |
| 439 | wdev = dev->ieee80211_ptr; |
| 440 | if (wdev == NULL) |
| 441 | return NOTIFY_DONE; |
| 442 | |
| 443 | wiphy = wdev->wiphy; |
| 444 | if (wiphy == NULL) |
| 445 | return NOTIFY_DONE; |
| 446 | |
| 447 | hw = wiphy_priv(wiphy); |
| 448 | if (hw == NULL) |
| 449 | return NOTIFY_DONE; |
| 450 | |
| 451 | wl_temp = hw->priv; |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 452 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 453 | list_for_each_entry(wl, &wl_list, list) { |
| 454 | if (wl == wl_temp) |
| 455 | break; |
| 456 | } |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 457 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 458 | if (wl != wl_temp) |
| 459 | return NOTIFY_DONE; |
| 460 | |
| 461 | mutex_lock(&wl->mutex); |
| 462 | |
| 463 | if (wl->state == WL1271_STATE_OFF) |
| 464 | goto out; |
| 465 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 466 | wl12xx_for_each_wlvif_sta(wl, wlvif) { |
| 467 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
| 468 | continue; |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 469 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 470 | ret = wl1271_ps_elp_wakeup(wl); |
| 471 | if (ret < 0) |
| 472 | goto out; |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 473 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 474 | wl1271_check_operstate(wl, wlvif, dev->operstate); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 475 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 476 | wl1271_ps_elp_sleep(wl); |
| 477 | } |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 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 | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 506 | static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 507 | bool enable) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 508 | { |
| 509 | int ret = 0; |
| 510 | |
| 511 | /* we should hold wl->mutex */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 512 | ret = wl1271_acx_ps_rx_streaming(wl, wlvif, enable); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 513 | if (ret < 0) |
| 514 | goto out; |
| 515 | |
| 516 | if (enable) |
| 517 | set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 518 | else |
| 519 | clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 520 | out: |
| 521 | return ret; |
| 522 | } |
| 523 | |
| 524 | /* |
| 525 | * this function is being called when the rx_streaming interval |
| 526 | * has beed changed or rx_streaming should be disabled |
| 527 | */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 528 | int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 529 | { |
| 530 | int ret = 0; |
| 531 | int period = wl->conf.rx_streaming.interval; |
| 532 | |
| 533 | /* don't reconfigure if rx_streaming is disabled */ |
| 534 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 535 | goto out; |
| 536 | |
| 537 | /* reconfigure/disable according to new streaming_period */ |
| 538 | if (period && |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 539 | test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) && |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 540 | (wl->conf.rx_streaming.always || |
| 541 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 542 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 543 | else { |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 544 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 545 | /* don't cancel_work_sync since we might deadlock */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 546 | del_timer_sync(&wlvif->rx_streaming_timer); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 547 | } |
| 548 | out: |
| 549 | return ret; |
| 550 | } |
| 551 | |
| 552 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) |
| 553 | { |
| 554 | int ret; |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 555 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
| 556 | rx_streaming_enable_work); |
| 557 | struct wl1271 *wl = wlvif->wl; |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 558 | |
| 559 | mutex_lock(&wl->mutex); |
| 560 | |
| 561 | if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 562 | !test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 563 | (!wl->conf.rx_streaming.always && |
| 564 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 565 | goto out; |
| 566 | |
| 567 | if (!wl->conf.rx_streaming.interval) |
| 568 | goto out; |
| 569 | |
| 570 | ret = wl1271_ps_elp_wakeup(wl); |
| 571 | if (ret < 0) |
| 572 | goto out; |
| 573 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 574 | ret = wl1271_set_rx_streaming(wl, wlvif, true); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 575 | if (ret < 0) |
| 576 | goto out_sleep; |
| 577 | |
| 578 | /* stop it after some time of inactivity */ |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 579 | mod_timer(&wlvif->rx_streaming_timer, |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 580 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
| 581 | |
| 582 | out_sleep: |
| 583 | wl1271_ps_elp_sleep(wl); |
| 584 | out: |
| 585 | mutex_unlock(&wl->mutex); |
| 586 | } |
| 587 | |
| 588 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) |
| 589 | { |
| 590 | int ret; |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 591 | struct wl12xx_vif *wlvif = container_of(work, struct wl12xx_vif, |
| 592 | rx_streaming_disable_work); |
| 593 | struct wl1271 *wl = wlvif->wl; |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 594 | |
| 595 | mutex_lock(&wl->mutex); |
| 596 | |
| 597 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 598 | goto out; |
| 599 | |
| 600 | ret = wl1271_ps_elp_wakeup(wl); |
| 601 | if (ret < 0) |
| 602 | goto out; |
| 603 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 604 | ret = wl1271_set_rx_streaming(wl, wlvif, false); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 605 | if (ret) |
| 606 | goto out_sleep; |
| 607 | |
| 608 | out_sleep: |
| 609 | wl1271_ps_elp_sleep(wl); |
| 610 | out: |
| 611 | mutex_unlock(&wl->mutex); |
| 612 | } |
| 613 | |
| 614 | static void wl1271_rx_streaming_timer(unsigned long data) |
| 615 | { |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 616 | struct wl12xx_vif *wlvif = (struct wl12xx_vif *)data; |
| 617 | struct wl1271 *wl = wlvif->wl; |
| 618 | ieee80211_queue_work(wl->hw, &wlvif->rx_streaming_disable_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 619 | } |
| 620 | |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 621 | static void wl1271_conf_init(struct wl1271 *wl) |
| 622 | { |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 623 | |
| 624 | /* |
| 625 | * This function applies the default configuration to the driver. This |
| 626 | * function is invoked upon driver load (spi probe.) |
| 627 | * |
| 628 | * The configuration is stored in a run-time structure in order to |
| 629 | * facilitate for run-time adjustment of any of the parameters. Making |
| 630 | * changes to the configuration structure will apply the new values on |
| 631 | * the next interface up (wl1271_op_start.) |
| 632 | */ |
| 633 | |
| 634 | /* apply driver default configuration */ |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 635 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 636 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 637 | /* Adjust settings according to optional module parameters */ |
| 638 | if (fwlog_param) { |
| 639 | if (!strcmp(fwlog_param, "continuous")) { |
| 640 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 641 | } else if (!strcmp(fwlog_param, "ondemand")) { |
| 642 | wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; |
| 643 | } else if (!strcmp(fwlog_param, "dbgpins")) { |
| 644 | wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; |
| 645 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; |
| 646 | } else if (!strcmp(fwlog_param, "disable")) { |
| 647 | wl->conf.fwlog.mem_blocks = 0; |
| 648 | wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; |
| 649 | } else { |
| 650 | wl1271_error("Unknown fwlog parameter %s", fwlog_param); |
| 651 | } |
| 652 | } |
| 653 | } |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 654 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 655 | static int wl1271_plt_init(struct wl1271 *wl) |
| 656 | { |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 657 | struct conf_tx_ac_category *conf_ac; |
| 658 | struct conf_tx_tid *conf_tid; |
| 659 | int ret, i; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 660 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 661 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 662 | ret = wl128x_cmd_general_parms(wl); |
| 663 | else |
| 664 | ret = wl1271_cmd_general_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 665 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 666 | return ret; |
| 667 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 668 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 669 | ret = wl128x_cmd_radio_parms(wl); |
| 670 | else |
| 671 | ret = wl1271_cmd_radio_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 672 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 673 | return ret; |
| 674 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 675 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
| 676 | ret = wl1271_cmd_ext_radio_parms(wl); |
| 677 | if (ret < 0) |
| 678 | return ret; |
| 679 | } |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 680 | if (ret < 0) |
| 681 | return ret; |
| 682 | |
Shahar Levi | 48a6147 | 2011-03-06 16:32:08 +0200 | [diff] [blame] | 683 | /* Chip-specific initializations */ |
| 684 | ret = wl1271_chip_specific_init(wl); |
| 685 | if (ret < 0) |
| 686 | return ret; |
| 687 | |
Eliad Peller | 92c77c7 | 2011-10-05 11:55:40 +0200 | [diff] [blame] | 688 | ret = wl1271_init_templates_config(wl); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 689 | if (ret < 0) |
| 690 | return ret; |
| 691 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 692 | ret = wl1271_acx_init_mem_config(wl); |
| 693 | if (ret < 0) |
| 694 | return ret; |
| 695 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 696 | /* PHY layer config */ |
| 697 | ret = wl1271_init_phy_config(wl); |
| 698 | if (ret < 0) |
| 699 | goto out_free_memmap; |
| 700 | |
| 701 | ret = wl1271_acx_dco_itrim_params(wl); |
| 702 | if (ret < 0) |
| 703 | goto out_free_memmap; |
| 704 | |
| 705 | /* Initialize connection monitoring thresholds */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 706 | ret = wl1271_acx_conn_monit_params(wl, NULL, false); /* TODO: fix */ |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 707 | if (ret < 0) |
| 708 | goto out_free_memmap; |
| 709 | |
| 710 | /* Bluetooth WLAN coexistence */ |
| 711 | ret = wl1271_init_pta(wl); |
| 712 | if (ret < 0) |
| 713 | goto out_free_memmap; |
| 714 | |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 715 | /* FM WLAN coexistence */ |
| 716 | ret = wl1271_acx_fm_coex(wl); |
| 717 | if (ret < 0) |
| 718 | goto out_free_memmap; |
| 719 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 720 | /* Energy detection */ |
| 721 | ret = wl1271_init_energy_detection(wl); |
| 722 | if (ret < 0) |
| 723 | goto out_free_memmap; |
| 724 | |
Eliad Peller | 7f097988 | 2011-08-14 13:17:06 +0300 | [diff] [blame] | 725 | ret = wl12xx_acx_mem_cfg(wl); |
Gery Kahn | 1ec610e | 2011-02-01 03:03:08 -0600 | [diff] [blame] | 726 | if (ret < 0) |
| 727 | goto out_free_memmap; |
| 728 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 729 | /* Default fragmentation threshold */ |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 730 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 731 | if (ret < 0) |
| 732 | goto out_free_memmap; |
| 733 | |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 734 | /* Default TID/AC configuration */ |
| 735 | 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] | 736 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 737 | conf_ac = &wl->conf.tx.ac_conf[i]; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 738 | /* TODO: fix */ |
| 739 | ret = wl1271_acx_ac_cfg(wl, NULL, conf_ac->ac, conf_ac->cw_min, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 740 | conf_ac->cw_max, conf_ac->aifsn, |
| 741 | conf_ac->tx_op_limit); |
| 742 | if (ret < 0) |
| 743 | goto out_free_memmap; |
| 744 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 745 | conf_tid = &wl->conf.tx.tid_conf[i]; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 746 | /* TODO: fix */ |
| 747 | ret = wl1271_acx_tid_cfg(wl, NULL, conf_tid->queue_id, |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 748 | conf_tid->channel_type, |
| 749 | conf_tid->tsid, |
| 750 | conf_tid->ps_scheme, |
| 751 | conf_tid->ack_policy, |
| 752 | conf_tid->apsd_conf[0], |
| 753 | conf_tid->apsd_conf[1]); |
| 754 | if (ret < 0) |
| 755 | goto out_free_memmap; |
| 756 | } |
| 757 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 758 | /* Enable data path */ |
Luciano Coelho | 9421089 | 2009-12-11 15:40:55 +0200 | [diff] [blame] | 759 | ret = wl1271_cmd_data_path(wl, 1); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 760 | if (ret < 0) |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 761 | goto out_free_memmap; |
| 762 | |
| 763 | /* Configure for CAM power saving (ie. always active) */ |
| 764 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); |
| 765 | if (ret < 0) |
| 766 | goto out_free_memmap; |
| 767 | |
| 768 | /* configure PM */ |
| 769 | ret = wl1271_acx_pm_config(wl); |
| 770 | if (ret < 0) |
| 771 | goto out_free_memmap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 772 | |
| 773 | return 0; |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 774 | |
| 775 | out_free_memmap: |
| 776 | kfree(wl->target_mem_map); |
| 777 | wl->target_mem_map = NULL; |
| 778 | |
| 779 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 780 | } |
| 781 | |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 782 | static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_pkts) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 783 | { |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 784 | bool fw_ps, single_sta; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 785 | |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 786 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 787 | single_sta = (wl->active_sta_count == 1); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 788 | |
| 789 | /* |
| 790 | * Wake up from high level PS if the STA is asleep with too little |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 791 | * packets in FW or if the STA is awake. |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 792 | */ |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 793 | if (!fw_ps || tx_pkts < WL1271_PS_STA_MAX_PACKETS) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 794 | wl1271_ps_link_end(wl, hlid); |
| 795 | |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 796 | /* |
| 797 | * Start high-level PS if the STA is asleep with enough blocks in FW. |
| 798 | * Make an exception if this is the only connected station. In this |
| 799 | * case FW-memory congestion is not a problem. |
| 800 | */ |
| 801 | else if (!single_sta && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 802 | wl1271_ps_link_start(wl, hlid, true); |
| 803 | } |
| 804 | |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 805 | static void wl12xx_irq_update_links_status(struct wl1271 *wl, |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 806 | struct wl12xx_vif *wlvif, |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 807 | struct wl12xx_fw_status *status) |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 808 | { |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 809 | struct wl1271_link *lnk; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 810 | u32 cur_fw_ps_map; |
Arik Nemtsov | 9b17f1b | 2011-08-14 13:17:35 +0300 | [diff] [blame] | 811 | u8 hlid, cnt; |
| 812 | |
| 813 | /* TODO: also use link_fast_bitmap here */ |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 814 | |
| 815 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); |
| 816 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
| 817 | wl1271_debug(DEBUG_PSM, |
| 818 | "link ps prev 0x%x cur 0x%x changed 0x%x", |
| 819 | wl->ap_fw_ps_map, cur_fw_ps_map, |
| 820 | wl->ap_fw_ps_map ^ cur_fw_ps_map); |
| 821 | |
| 822 | wl->ap_fw_ps_map = cur_fw_ps_map; |
| 823 | } |
| 824 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 825 | for_each_set_bit(hlid, wlvif->ap.sta_hlid_map, WL12XX_MAX_LINKS) { |
| 826 | lnk = &wl->links[hlid]; |
| 827 | cnt = status->tx_lnk_free_pkts[hlid] - lnk->prev_freed_pkts; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 828 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 829 | lnk->prev_freed_pkts = status->tx_lnk_free_pkts[hlid]; |
| 830 | lnk->allocated_pkts -= cnt; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 831 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 832 | wl12xx_irq_ps_regulate_link(wl, hlid, lnk->allocated_pkts); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 833 | } |
| 834 | } |
| 835 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 836 | static void wl12xx_fw_status(struct wl1271 *wl, |
| 837 | struct wl12xx_fw_status *status) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 838 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 839 | struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */ |
| 840 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 841 | struct timespec ts; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 842 | u32 old_tx_blk_count = wl->tx_blocks_available; |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 843 | int avail, freed_blocks; |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 844 | int i; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 845 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 846 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, sizeof(*status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 847 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 848 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
| 849 | "drv_rx_counter = %d, tx_results_counter = %d)", |
| 850 | status->intr, |
| 851 | status->fw_rx_counter, |
| 852 | status->drv_rx_counter, |
| 853 | status->tx_results_counter); |
| 854 | |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 855 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 856 | /* prevent wrap-around in freed-packets counter */ |
Arik Nemtsov | 742246f | 2011-08-14 13:17:33 +0300 | [diff] [blame] | 857 | wl->tx_allocated_pkts[i] -= |
Arik Nemtsov | bf54e30 | 2011-08-14 13:17:32 +0300 | [diff] [blame] | 858 | (status->tx_released_pkts[i] - |
| 859 | wl->tx_pkts_freed[i]) & 0xff; |
| 860 | |
| 861 | wl->tx_pkts_freed[i] = status->tx_released_pkts[i]; |
| 862 | } |
| 863 | |
Arik Nemtsov | bdf91cf | 2011-08-14 13:17:34 +0300 | [diff] [blame] | 864 | /* prevent wrap-around in total blocks counter */ |
| 865 | if (likely(wl->tx_blocks_freed <= |
| 866 | le32_to_cpu(status->total_released_blks))) |
| 867 | freed_blocks = le32_to_cpu(status->total_released_blks) - |
| 868 | wl->tx_blocks_freed; |
| 869 | else |
| 870 | freed_blocks = 0x100000000LL - wl->tx_blocks_freed + |
| 871 | le32_to_cpu(status->total_released_blks); |
| 872 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 873 | wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 874 | |
Arik Nemtsov | 7bb5d6c | 2011-08-14 13:17:00 +0300 | [diff] [blame] | 875 | wl->tx_allocated_blocks -= freed_blocks; |
| 876 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 877 | avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 878 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 879 | /* |
| 880 | * The FW might change the total number of TX memblocks before |
| 881 | * we get a notification about blocks being released. Thus, the |
| 882 | * available blocks calculation might yield a temporary result |
| 883 | * which is lower than the actual available blocks. Keeping in |
| 884 | * mind that only blocks that were allocated can be moved from |
| 885 | * TX to RX, tx_blocks_available should never decrease here. |
| 886 | */ |
| 887 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, |
| 888 | avail); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 889 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 890 | /* if more blocks are available now, tx work can be scheduled */ |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 891 | if (wl->tx_blocks_available > old_tx_blk_count) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 892 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 893 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 894 | /* for AP update num of allocated TX blocks per link and ps status */ |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 895 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 896 | wl12xx_irq_update_links_status(wl, wlvif, status); |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 897 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 898 | /* update the host-chipset time offset */ |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 899 | getnstimeofday(&ts); |
| 900 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - |
| 901 | (s64)le32_to_cpu(status->fw_localtime); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 902 | } |
| 903 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 904 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
| 905 | { |
| 906 | struct sk_buff *skb; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 907 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 908 | /* Pass all received frames to the network stack */ |
| 909 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) |
| 910 | ieee80211_rx_ni(wl->hw, skb); |
| 911 | |
| 912 | /* Return sent skbs to the network stack */ |
| 913 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) |
Eliad Peller | c27d3ac | 2011-06-07 10:40:39 +0300 | [diff] [blame] | 914 | ieee80211_tx_status_ni(wl->hw, skb); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 915 | } |
| 916 | |
| 917 | static void wl1271_netstack_work(struct work_struct *work) |
| 918 | { |
| 919 | struct wl1271 *wl = |
| 920 | container_of(work, struct wl1271, netstack_work); |
| 921 | |
| 922 | do { |
| 923 | wl1271_flush_deferred_work(wl); |
| 924 | } while (skb_queue_len(&wl->deferred_rx_queue)); |
| 925 | } |
| 926 | |
| 927 | #define WL1271_IRQ_MAX_LOOPS 256 |
| 928 | |
| 929 | irqreturn_t wl1271_irq(int irq, void *cookie) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 930 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 931 | int ret; |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 932 | u32 intr; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 933 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 934 | struct wl1271 *wl = (struct wl1271 *)cookie; |
| 935 | bool done = false; |
| 936 | unsigned int defer_count; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 937 | unsigned long flags; |
| 938 | |
| 939 | /* TX might be handled here, avoid redundant work */ |
| 940 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 941 | cancel_work_sync(&wl->tx_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 942 | |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 943 | /* |
| 944 | * In case edge triggered interrupt must be used, we cannot iterate |
| 945 | * more than once without introducing race conditions with the hardirq. |
| 946 | */ |
| 947 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) |
| 948 | loopcount = 1; |
| 949 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 950 | mutex_lock(&wl->mutex); |
| 951 | |
| 952 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
| 953 | |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 954 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 955 | goto out; |
| 956 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 957 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 958 | if (ret < 0) |
| 959 | goto out; |
| 960 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 961 | while (!done && loopcount--) { |
| 962 | /* |
| 963 | * In order to avoid a race with the hardirq, clear the flag |
| 964 | * before acknowledging the chip. Since the mutex is held, |
| 965 | * wl1271_ps_elp_wakeup cannot be called concurrently. |
| 966 | */ |
| 967 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
| 968 | smp_mb__after_clear_bit(); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 969 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 970 | wl12xx_fw_status(wl, wl->fw_status); |
| 971 | intr = le32_to_cpu(wl->fw_status->intr); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 972 | intr &= WL1271_INTR_MASK; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 973 | if (!intr) { |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 974 | done = true; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 975 | continue; |
| 976 | } |
| 977 | |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 978 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
| 979 | wl1271_error("watchdog interrupt received! " |
| 980 | "starting recovery."); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 981 | wl12xx_queue_recovery_work(wl); |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 982 | |
| 983 | /* restarting the chip. ignore any other interrupt. */ |
| 984 | goto out; |
| 985 | } |
| 986 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 987 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 988 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
| 989 | |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 990 | wl12xx_rx(wl, wl->fw_status); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 991 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 992 | /* Check if any tx blocks were freed */ |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 993 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 994 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 995 | wl1271_tx_total_queue_count(wl) > 0) { |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 996 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 997 | /* |
| 998 | * In order to avoid starvation of the TX path, |
| 999 | * call the work function directly. |
| 1000 | */ |
Eliad Peller | a32d0cd | 2011-10-10 10:12:55 +0200 | [diff] [blame] | 1001 | wl1271_tx_work_locked(wl); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1002 | } else { |
| 1003 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1004 | } |
| 1005 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 1006 | /* check for tx results */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 1007 | if (wl->fw_status->tx_results_counter != |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 1008 | (wl->tx_results_count & 0xff)) |
| 1009 | wl1271_tx_complete(wl); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1010 | |
| 1011 | /* Make sure the deferred queues don't get too long */ |
| 1012 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + |
| 1013 | skb_queue_len(&wl->deferred_rx_queue); |
| 1014 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) |
| 1015 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
| 1019 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
| 1020 | wl1271_event_handle(wl, 0); |
| 1021 | } |
| 1022 | |
| 1023 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
| 1024 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); |
| 1025 | wl1271_event_handle(wl, 1); |
| 1026 | } |
| 1027 | |
| 1028 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
| 1029 | wl1271_debug(DEBUG_IRQ, |
| 1030 | "WL1271_ACX_INTR_INIT_COMPLETE"); |
| 1031 | |
| 1032 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
| 1033 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1034 | } |
| 1035 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1036 | wl1271_ps_elp_sleep(wl); |
| 1037 | |
| 1038 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1039 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1040 | /* In case TX was not handled here, queue TX work */ |
| 1041 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 1042 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1043 | wl1271_tx_total_queue_count(wl) > 0) |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1044 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 1045 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1046 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1047 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1048 | |
| 1049 | return IRQ_HANDLED; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1050 | } |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1051 | EXPORT_SYMBOL_GPL(wl1271_irq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1052 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1053 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
| 1054 | { |
| 1055 | const struct firmware *fw; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1056 | const char *fw_name; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1057 | int ret; |
| 1058 | |
Arik Nemtsov | c302b2c | 2011-08-17 10:45:48 +0300 | [diff] [blame] | 1059 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 1060 | fw_name = WL128X_FW_NAME; |
| 1061 | else |
| 1062 | fw_name = WL127X_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1063 | |
| 1064 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); |
| 1065 | |
| 1066 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1067 | |
| 1068 | if (ret < 0) { |
| 1069 | wl1271_error("could not get firmware: %d", ret); |
| 1070 | return ret; |
| 1071 | } |
| 1072 | |
| 1073 | if (fw->size % 4) { |
| 1074 | wl1271_error("firmware size is not multiple of 32 bits: %zu", |
| 1075 | fw->size); |
| 1076 | ret = -EILSEQ; |
| 1077 | goto out; |
| 1078 | } |
| 1079 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1080 | vfree(wl->fw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1081 | wl->fw_len = fw->size; |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 1082 | wl->fw = vmalloc(wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1083 | |
| 1084 | if (!wl->fw) { |
| 1085 | wl1271_error("could not allocate memory for the firmware"); |
| 1086 | ret = -ENOMEM; |
| 1087 | goto out; |
| 1088 | } |
| 1089 | |
| 1090 | memcpy(wl->fw, fw->data, wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1091 | ret = 0; |
| 1092 | |
| 1093 | out: |
| 1094 | release_firmware(fw); |
| 1095 | |
| 1096 | return ret; |
| 1097 | } |
| 1098 | |
| 1099 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
| 1100 | { |
| 1101 | const struct firmware *fw; |
| 1102 | int ret; |
| 1103 | |
Shahar Levi | 5aa4234 | 2011-03-06 16:32:07 +0200 | [diff] [blame] | 1104 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1105 | |
| 1106 | if (ret < 0) { |
| 1107 | wl1271_error("could not get nvs file: %d", ret); |
| 1108 | return ret; |
| 1109 | } |
| 1110 | |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 1111 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1112 | |
| 1113 | if (!wl->nvs) { |
| 1114 | wl1271_error("could not allocate memory for the nvs file"); |
| 1115 | ret = -ENOMEM; |
| 1116 | goto out; |
| 1117 | } |
| 1118 | |
Juuso Oikarinen | 02fabb0 | 2010-08-19 04:41:15 +0200 | [diff] [blame] | 1119 | wl->nvs_len = fw->size; |
| 1120 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1121 | out: |
| 1122 | release_firmware(fw); |
| 1123 | |
| 1124 | return ret; |
| 1125 | } |
| 1126 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1127 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
| 1128 | { |
| 1129 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
| 1130 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 1131 | } |
| 1132 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1133 | size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) |
| 1134 | { |
| 1135 | size_t len = 0; |
| 1136 | |
| 1137 | /* The FW log is a length-value list, find where the log end */ |
| 1138 | while (len < maxlen) { |
| 1139 | if (memblock[len] == 0) |
| 1140 | break; |
| 1141 | if (len + memblock[len] + 1 > maxlen) |
| 1142 | break; |
| 1143 | len += memblock[len] + 1; |
| 1144 | } |
| 1145 | |
| 1146 | /* Make sure we have enough room */ |
| 1147 | len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size)); |
| 1148 | |
| 1149 | /* Fill the FW log file, consumed by the sysfs fwlog entry */ |
| 1150 | memcpy(wl->fwlog + wl->fwlog_size, memblock, len); |
| 1151 | wl->fwlog_size += len; |
| 1152 | |
| 1153 | return len; |
| 1154 | } |
| 1155 | |
| 1156 | static void wl12xx_read_fwlog_panic(struct wl1271 *wl) |
| 1157 | { |
| 1158 | u32 addr; |
| 1159 | u32 first_addr; |
| 1160 | u8 *block; |
| 1161 | |
| 1162 | if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) || |
| 1163 | (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || |
| 1164 | (wl->conf.fwlog.mem_blocks == 0)) |
| 1165 | return; |
| 1166 | |
| 1167 | wl1271_info("Reading FW panic log"); |
| 1168 | |
| 1169 | block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL); |
| 1170 | if (!block) |
| 1171 | return; |
| 1172 | |
| 1173 | /* |
| 1174 | * Make sure the chip is awake and the logger isn't active. |
| 1175 | * This might fail if the firmware hanged. |
| 1176 | */ |
| 1177 | if (!wl1271_ps_elp_wakeup(wl)) |
| 1178 | wl12xx_cmd_stop_fwlog(wl); |
| 1179 | |
| 1180 | /* Read the first memory block address */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 1181 | wl12xx_fw_status(wl, wl->fw_status); |
| 1182 | first_addr = le32_to_cpu(wl->fw_status->log_start_addr); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1183 | if (!first_addr) |
| 1184 | goto out; |
| 1185 | |
| 1186 | /* Traverse the memory blocks linked list */ |
| 1187 | addr = first_addr; |
| 1188 | do { |
| 1189 | memset(block, 0, WL12XX_HW_BLOCK_SIZE); |
| 1190 | wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, |
| 1191 | false); |
| 1192 | |
| 1193 | /* |
| 1194 | * Memory blocks are linked to one another. The first 4 bytes |
| 1195 | * of each memory block hold the hardware address of the next |
| 1196 | * one. The last memory block points to the first one. |
| 1197 | */ |
Eliad Peller | 4d56ad9 | 2011-08-14 13:17:05 +0300 | [diff] [blame] | 1198 | addr = le32_to_cpup((__le32 *)block); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1199 | if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), |
| 1200 | WL12XX_HW_BLOCK_SIZE - sizeof(addr))) |
| 1201 | break; |
| 1202 | } while (addr && (addr != first_addr)); |
| 1203 | |
| 1204 | wake_up_interruptible(&wl->fwlog_waitq); |
| 1205 | |
| 1206 | out: |
| 1207 | kfree(block); |
| 1208 | } |
| 1209 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1210 | static void wl1271_recovery_work(struct work_struct *work) |
| 1211 | { |
| 1212 | struct wl1271 *wl = |
| 1213 | container_of(work, struct wl1271, recovery_work); |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 1214 | struct wl12xx_vif *wlvif; |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1215 | |
| 1216 | mutex_lock(&wl->mutex); |
| 1217 | |
| 1218 | if (wl->state != WL1271_STATE_ON) |
| 1219 | goto out; |
| 1220 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1221 | /* Avoid a recursive recovery */ |
| 1222 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1223 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 1224 | wl12xx_read_fwlog_panic(wl); |
| 1225 | |
Arik Nemtsov | 52dcaf5 | 2011-04-18 14:15:24 +0300 | [diff] [blame] | 1226 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
| 1227 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1228 | |
Eliad Peller | 2a5bff0 | 2011-08-25 18:10:59 +0300 | [diff] [blame] | 1229 | BUG_ON(bug_on_recovery); |
| 1230 | |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 1231 | /* |
| 1232 | * Advance security sequence number to overcome potential progress |
| 1233 | * in the firmware during recovery. This doens't hurt if the network is |
| 1234 | * not encrypted. |
| 1235 | */ |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 1236 | wl12xx_for_each_wlvif(wl, wlvif) { |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 1237 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) || |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 1238 | test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) |
| 1239 | wlvif->tx_security_seq += |
| 1240 | WL1271_TX_SQN_POST_RECOVERY_PADDING; |
| 1241 | } |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 1242 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1243 | /* Prevent spurious TX during FW restart */ |
| 1244 | ieee80211_stop_queues(wl->hw); |
| 1245 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 1246 | if (wl->sched_scanning) { |
| 1247 | ieee80211_sched_scan_stopped(wl->hw); |
| 1248 | wl->sched_scanning = false; |
| 1249 | } |
| 1250 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1251 | /* reboot the chipset */ |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1252 | __wl1271_op_remove_interface(wl, wl->vif, false); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame] | 1253 | |
| 1254 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1255 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1256 | ieee80211_restart_hw(wl->hw); |
| 1257 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1258 | /* |
| 1259 | * Its safe to enable TX now - the queues are stopped after a request |
| 1260 | * to restart the HW. |
| 1261 | */ |
| 1262 | ieee80211_wake_queues(wl->hw); |
| 1263 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1264 | out: |
| 1265 | mutex_unlock(&wl->mutex); |
| 1266 | } |
| 1267 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1268 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
| 1269 | { |
| 1270 | u32 elp_reg; |
| 1271 | |
| 1272 | elp_reg = ELPCTRL_WAKE_UP; |
Juuso Oikarinen | 7462141 | 2009-10-12 15:08:54 +0300 | [diff] [blame] | 1273 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1274 | } |
| 1275 | |
| 1276 | static int wl1271_setup(struct wl1271 *wl) |
| 1277 | { |
| 1278 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
| 1279 | if (!wl->fw_status) |
| 1280 | return -ENOMEM; |
| 1281 | |
| 1282 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
| 1283 | if (!wl->tx_res_if) { |
| 1284 | kfree(wl->fw_status); |
| 1285 | return -ENOMEM; |
| 1286 | } |
| 1287 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1288 | return 0; |
| 1289 | } |
| 1290 | |
| 1291 | static int wl1271_chip_wakeup(struct wl1271 *wl) |
| 1292 | { |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1293 | struct wl1271_partition_set partition; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1294 | int ret = 0; |
| 1295 | |
Juuso Oikarinen | 01ac17e | 2009-12-11 15:41:02 +0200 | [diff] [blame] | 1296 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
Ohad Ben-Cohen | 2cc78ff | 2010-09-16 01:22:04 +0200 | [diff] [blame] | 1297 | ret = wl1271_power_on(wl); |
| 1298 | if (ret < 0) |
| 1299 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1300 | msleep(WL1271_POWER_ON_SLEEP); |
Teemu Paasikivi | 9b28072 | 2010-02-18 13:25:56 +0200 | [diff] [blame] | 1301 | wl1271_io_reset(wl); |
| 1302 | wl1271_io_init(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1303 | |
| 1304 | /* We don't need a real memory partition here, because we only want |
| 1305 | * to use the registers at this point. */ |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1306 | memset(&partition, 0, sizeof(partition)); |
| 1307 | partition.reg.start = REGISTERS_BASE; |
| 1308 | partition.reg.size = REGISTERS_DOWN_SIZE; |
| 1309 | wl1271_set_partition(wl, &partition); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1310 | |
| 1311 | /* ELP module wake up */ |
| 1312 | wl1271_fw_wakeup(wl); |
| 1313 | |
| 1314 | /* whal_FwCtrl_BootSm() */ |
| 1315 | |
| 1316 | /* 0. read chip id from CHIP_ID */ |
Teemu Paasikivi | 7b048c5 | 2010-02-18 13:25:55 +0200 | [diff] [blame] | 1317 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1318 | |
| 1319 | /* 1. check if chip id is valid */ |
| 1320 | |
| 1321 | switch (wl->chip.id) { |
| 1322 | case CHIP_ID_1271_PG10: |
| 1323 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", |
| 1324 | wl->chip.id); |
| 1325 | |
| 1326 | ret = wl1271_setup(wl); |
| 1327 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1328 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1329 | break; |
| 1330 | case CHIP_ID_1271_PG20: |
| 1331 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", |
| 1332 | wl->chip.id); |
| 1333 | |
| 1334 | ret = wl1271_setup(wl); |
| 1335 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1336 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1337 | break; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1338 | case CHIP_ID_1283_PG20: |
| 1339 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", |
| 1340 | wl->chip.id); |
| 1341 | |
| 1342 | ret = wl1271_setup(wl); |
| 1343 | if (ret < 0) |
| 1344 | goto out; |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1345 | |
Ido Yariv | 0da13da | 2011-03-31 10:06:58 +0200 | [diff] [blame] | 1346 | if (wl1271_set_block_size(wl)) |
| 1347 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1348 | break; |
| 1349 | case CHIP_ID_1283_PG10: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1350 | default: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1351 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1352 | ret = -ENODEV; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1353 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1354 | } |
| 1355 | |
Arik Nemtsov | c302b2c | 2011-08-17 10:45:48 +0300 | [diff] [blame] | 1356 | if (wl->fw == NULL) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1357 | ret = wl1271_fetch_firmware(wl); |
| 1358 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1359 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1360 | } |
| 1361 | |
| 1362 | /* No NVS from netlink, try to get it from the filesystem */ |
| 1363 | if (wl->nvs == NULL) { |
| 1364 | ret = wl1271_fetch_nvs(wl); |
| 1365 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1366 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1367 | } |
| 1368 | |
| 1369 | out: |
| 1370 | return ret; |
| 1371 | } |
| 1372 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1373 | int wl1271_plt_start(struct wl1271 *wl) |
| 1374 | { |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1375 | int retries = WL1271_BOOT_RETRIES; |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1376 | struct wiphy *wiphy = wl->hw->wiphy; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1377 | int ret; |
| 1378 | |
| 1379 | mutex_lock(&wl->mutex); |
| 1380 | |
| 1381 | wl1271_notice("power up"); |
| 1382 | |
| 1383 | if (wl->state != WL1271_STATE_OFF) { |
| 1384 | wl1271_error("cannot go into PLT state because not " |
| 1385 | "in off state: %d", wl->state); |
| 1386 | ret = -EBUSY; |
| 1387 | goto out; |
| 1388 | } |
| 1389 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1390 | while (retries) { |
| 1391 | retries--; |
| 1392 | ret = wl1271_chip_wakeup(wl); |
| 1393 | if (ret < 0) |
| 1394 | goto power_off; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1395 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1396 | ret = wl1271_boot(wl); |
| 1397 | if (ret < 0) |
| 1398 | goto power_off; |
| 1399 | |
| 1400 | ret = wl1271_plt_init(wl); |
| 1401 | if (ret < 0) |
| 1402 | goto irq_disable; |
| 1403 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1404 | wl->state = WL1271_STATE_PLT; |
| 1405 | wl1271_notice("firmware booted in PLT mode (%s)", |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1406 | wl->chip.fw_ver_str); |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1407 | |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 1408 | /* update hw/fw version info in wiphy struct */ |
| 1409 | wiphy->hw_version = wl->chip.id; |
| 1410 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
| 1411 | sizeof(wiphy->fw_version)); |
| 1412 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1413 | goto out; |
| 1414 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1415 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1416 | mutex_unlock(&wl->mutex); |
| 1417 | /* Unlocking the mutex in the middle of handling is |
| 1418 | inherently unsafe. In this case we deem it safe to do, |
| 1419 | because we need to let any possibly pending IRQ out of |
| 1420 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1421 | work function will not do anything.) Also, any other |
| 1422 | possible concurrent operations will fail due to the |
| 1423 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1424 | wl1271_disable_interrupts(wl); |
| 1425 | wl1271_flush_deferred_work(wl); |
| 1426 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1427 | mutex_lock(&wl->mutex); |
| 1428 | power_off: |
| 1429 | wl1271_power_off(wl); |
| 1430 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1431 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1432 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
| 1433 | WL1271_BOOT_RETRIES); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1434 | out: |
| 1435 | mutex_unlock(&wl->mutex); |
| 1436 | |
| 1437 | return ret; |
| 1438 | } |
| 1439 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 1440 | static int __wl1271_plt_stop(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1441 | { |
| 1442 | int ret = 0; |
| 1443 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1444 | wl1271_notice("power down"); |
| 1445 | |
| 1446 | if (wl->state != WL1271_STATE_PLT) { |
| 1447 | wl1271_error("cannot power down because not in PLT " |
| 1448 | "state: %d", wl->state); |
| 1449 | ret = -EBUSY; |
| 1450 | goto out; |
| 1451 | } |
| 1452 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1453 | wl1271_power_off(wl); |
| 1454 | |
| 1455 | wl->state = WL1271_STATE_OFF; |
Luciano Coelho | bd5ea18 | 2009-10-13 12:47:58 +0300 | [diff] [blame] | 1456 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1457 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1458 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1459 | wl1271_disable_interrupts(wl); |
| 1460 | wl1271_flush_deferred_work(wl); |
| 1461 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1462 | cancel_work_sync(&wl->recovery_work); |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1463 | mutex_lock(&wl->mutex); |
| 1464 | out: |
| 1465 | return ret; |
| 1466 | } |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1467 | |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1468 | int wl1271_plt_stop(struct wl1271 *wl) |
| 1469 | { |
| 1470 | int ret; |
| 1471 | |
| 1472 | mutex_lock(&wl->mutex); |
| 1473 | ret = __wl1271_plt_stop(wl); |
| 1474 | mutex_unlock(&wl->mutex); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1475 | return ret; |
| 1476 | } |
| 1477 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 1478 | 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] | 1479 | { |
| 1480 | struct wl1271 *wl = hw->priv; |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 1481 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); |
| 1482 | struct ieee80211_vif *vif = info->control.vif; |
| 1483 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1484 | unsigned long flags; |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1485 | int q, mapping; |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1486 | u8 hlid; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1487 | |
Arik Nemtsov | 708bb3c | 2011-06-24 13:03:37 +0300 | [diff] [blame] | 1488 | mapping = skb_get_queue_mapping(skb); |
| 1489 | q = wl1271_tx_get_queue(mapping); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1490 | |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1491 | hlid = wl12xx_tx_get_hlid(wl, wlvif, skb); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1492 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1493 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1494 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1495 | /* queue the packet */ |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1496 | if (hlid == WL12XX_INVALID_LINK_ID || |
| 1497 | !test_bit(hlid, wlvif->links_map)) { |
| 1498 | wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); |
| 1499 | dev_kfree_skb(skb); |
| 1500 | goto out; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1501 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1502 | |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 1503 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
| 1504 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
| 1505 | |
Arik Nemtsov | 04b4d69 | 2011-08-14 13:17:39 +0300 | [diff] [blame] | 1506 | wl->tx_queue_count[q]++; |
| 1507 | |
| 1508 | /* |
| 1509 | * The workqueue is slow to process the tx_queue and we need stop |
| 1510 | * the queue here, otherwise the queue will get too long. |
| 1511 | */ |
| 1512 | if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
| 1513 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); |
| 1514 | ieee80211_stop_queue(wl->hw, mapping); |
| 1515 | set_bit(q, &wl->stopped_queues_map); |
| 1516 | } |
| 1517 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1518 | /* |
| 1519 | * The chip specific setup must run before the first TX packet - |
| 1520 | * before that, the tx_work will not be initialized! |
| 1521 | */ |
| 1522 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1523 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1524 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1525 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1526 | |
Arik Nemtsov | 04216da | 2011-08-14 13:17:38 +0300 | [diff] [blame] | 1527 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1528 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1529 | } |
| 1530 | |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1531 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
| 1532 | { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1533 | unsigned long flags; |
Arik Nemtsov | 1462378 | 2011-08-28 15:11:57 +0300 | [diff] [blame] | 1534 | int q; |
| 1535 | |
| 1536 | /* no need to queue a new dummy packet if one is already pending */ |
| 1537 | if (test_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) |
| 1538 | return 0; |
| 1539 | |
| 1540 | q = wl1271_tx_get_queue(skb_get_queue_mapping(wl->dummy_packet)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1541 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1542 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1543 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 1544 | wl->tx_queue_count[q]++; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1545 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1546 | |
| 1547 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ |
| 1548 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
Eliad Peller | a32d0cd | 2011-10-10 10:12:55 +0200 | [diff] [blame] | 1549 | wl1271_tx_work_locked(wl); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1550 | |
| 1551 | /* |
| 1552 | * If the FW TX is busy, TX work will be scheduled by the threaded |
| 1553 | * interrupt handler function |
| 1554 | */ |
| 1555 | return 0; |
| 1556 | } |
| 1557 | |
| 1558 | /* |
| 1559 | * The size of the dummy packet should be at least 1400 bytes. However, in |
| 1560 | * order to minimize the number of bus transactions, aligning it to 512 bytes |
| 1561 | * boundaries could be beneficial, performance wise |
| 1562 | */ |
| 1563 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) |
| 1564 | |
Luciano Coelho | cf27d86 | 2011-04-01 21:08:23 +0300 | [diff] [blame] | 1565 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1566 | { |
| 1567 | struct sk_buff *skb; |
| 1568 | struct ieee80211_hdr_3addr *hdr; |
| 1569 | unsigned int dummy_packet_size; |
| 1570 | |
| 1571 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - |
| 1572 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); |
| 1573 | |
| 1574 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1575 | if (!skb) { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1576 | wl1271_warning("Failed to allocate a dummy packet skb"); |
| 1577 | return NULL; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1578 | } |
| 1579 | |
| 1580 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); |
| 1581 | |
| 1582 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); |
| 1583 | memset(hdr, 0, sizeof(*hdr)); |
| 1584 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1585 | IEEE80211_STYPE_NULLFUNC | |
| 1586 | IEEE80211_FCTL_TODS); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1587 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1588 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1589 | |
Luciano Coelho | 18b92ff | 2011-03-21 16:35:21 +0200 | [diff] [blame] | 1590 | /* Dummy packets require the TID to be management */ |
| 1591 | skb->priority = WL1271_TID_MGMT; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1592 | |
| 1593 | /* Initialize all fields that might be used */ |
Hauke Mehrtens | 86c438f | 2011-04-26 23:27:44 +0200 | [diff] [blame] | 1594 | skb_set_queue_mapping(skb, 0); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1595 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1596 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1597 | return skb; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1598 | } |
| 1599 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1600 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 1601 | static struct notifier_block wl1271_dev_notifier = { |
| 1602 | .notifier_call = wl1271_dev_notify, |
| 1603 | }; |
| 1604 | |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1605 | #ifdef CONFIG_PM |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1606 | static int wl1271_configure_suspend_sta(struct wl1271 *wl, |
| 1607 | struct wl12xx_vif *wlvif) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1608 | { |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1609 | int ret = 0; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1610 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1611 | mutex_lock(&wl->mutex); |
| 1612 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 1613 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1614 | goto out_unlock; |
| 1615 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1616 | ret = wl1271_ps_elp_wakeup(wl); |
| 1617 | if (ret < 0) |
| 1618 | goto out_unlock; |
| 1619 | |
| 1620 | /* enter psm if needed*/ |
| 1621 | if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
| 1622 | DECLARE_COMPLETION_ONSTACK(compl); |
| 1623 | |
Eliad Peller | 6ec45dc | 2011-10-05 11:56:01 +0200 | [diff] [blame] | 1624 | wlvif->ps_compl = &compl; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1625 | ret = wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE, |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1626 | wlvif->basic_rate, true); |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1627 | if (ret < 0) |
| 1628 | goto out_sleep; |
| 1629 | |
| 1630 | /* we must unlock here so we will be able to get events */ |
| 1631 | wl1271_ps_elp_sleep(wl); |
| 1632 | mutex_unlock(&wl->mutex); |
| 1633 | |
| 1634 | ret = wait_for_completion_timeout( |
| 1635 | &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); |
| 1636 | if (ret <= 0) { |
| 1637 | wl1271_warning("couldn't enter ps mode!"); |
| 1638 | ret = -EBUSY; |
| 1639 | goto out; |
| 1640 | } |
| 1641 | |
| 1642 | /* take mutex again, and wakeup */ |
| 1643 | mutex_lock(&wl->mutex); |
| 1644 | |
| 1645 | ret = wl1271_ps_elp_wakeup(wl); |
| 1646 | if (ret < 0) |
| 1647 | goto out_unlock; |
| 1648 | } |
| 1649 | out_sleep: |
| 1650 | wl1271_ps_elp_sleep(wl); |
| 1651 | out_unlock: |
| 1652 | mutex_unlock(&wl->mutex); |
| 1653 | out: |
| 1654 | return ret; |
| 1655 | |
| 1656 | } |
| 1657 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1658 | static int wl1271_configure_suspend_ap(struct wl1271 *wl, |
| 1659 | struct wl12xx_vif *wlvif) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1660 | { |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1661 | int ret = 0; |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1662 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1663 | mutex_lock(&wl->mutex); |
| 1664 | |
Eliad Peller | e85d162 | 2011-06-27 13:06:43 +0300 | [diff] [blame] | 1665 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) |
| 1666 | goto out_unlock; |
| 1667 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1668 | ret = wl1271_ps_elp_wakeup(wl); |
| 1669 | if (ret < 0) |
| 1670 | goto out_unlock; |
| 1671 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1672 | ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1673 | |
| 1674 | wl1271_ps_elp_sleep(wl); |
| 1675 | out_unlock: |
| 1676 | mutex_unlock(&wl->mutex); |
| 1677 | return ret; |
| 1678 | |
| 1679 | } |
| 1680 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1681 | static int wl1271_configure_suspend(struct wl1271 *wl, |
| 1682 | struct wl12xx_vif *wlvif) |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1683 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1684 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1685 | return wl1271_configure_suspend_sta(wl, wlvif); |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1686 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1687 | return wl1271_configure_suspend_ap(wl, wlvif); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1688 | return 0; |
| 1689 | } |
| 1690 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1691 | static void wl1271_configure_resume(struct wl1271 *wl, |
| 1692 | struct wl12xx_vif *wlvif) |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1693 | { |
| 1694 | int ret; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1695 | bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS; |
| 1696 | bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS; |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1697 | |
| 1698 | if (!is_sta && !is_ap) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1699 | return; |
| 1700 | |
| 1701 | mutex_lock(&wl->mutex); |
| 1702 | ret = wl1271_ps_elp_wakeup(wl); |
| 1703 | if (ret < 0) |
| 1704 | goto out; |
| 1705 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1706 | if (is_sta) { |
| 1707 | /* exit psm if it wasn't configured */ |
| 1708 | if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1709 | wl1271_ps_set_mode(wl, wlvif, STATION_ACTIVE_MODE, |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1710 | wlvif->basic_rate, true); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1711 | } else if (is_ap) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1712 | wl1271_acx_beacon_filter_opt(wl, wlvif, false); |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1713 | } |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1714 | |
| 1715 | wl1271_ps_elp_sleep(wl); |
| 1716 | out: |
| 1717 | mutex_unlock(&wl->mutex); |
| 1718 | } |
| 1719 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1720 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
| 1721 | struct cfg80211_wowlan *wow) |
| 1722 | { |
| 1723 | struct wl1271 *wl = hw->priv; |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1724 | struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */ |
| 1725 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1726 | int ret; |
| 1727 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1728 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1729 | WARN_ON(!wow || !wow->any); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1730 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1731 | wl->wow_enabled = true; |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1732 | ret = wl1271_configure_suspend(wl, wlvif); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1733 | if (ret < 0) { |
| 1734 | wl1271_warning("couldn't prepare device to suspend"); |
| 1735 | return ret; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1736 | } |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1737 | /* flush any remaining work */ |
| 1738 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1739 | |
| 1740 | /* |
| 1741 | * disable and re-enable interrupts in order to flush |
| 1742 | * the threaded_irq |
| 1743 | */ |
| 1744 | wl1271_disable_interrupts(wl); |
| 1745 | |
| 1746 | /* |
| 1747 | * set suspended flag to avoid triggering a new threaded_irq |
| 1748 | * work. no need for spinlock as interrupts are disabled. |
| 1749 | */ |
| 1750 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1751 | |
| 1752 | wl1271_enable_interrupts(wl); |
| 1753 | flush_work(&wl->tx_work); |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 1754 | flush_delayed_work(&wlvif->pspoll_work); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1755 | flush_delayed_work(&wl->elp_work); |
| 1756 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1757 | return 0; |
| 1758 | } |
| 1759 | |
| 1760 | static int wl1271_op_resume(struct ieee80211_hw *hw) |
| 1761 | { |
| 1762 | struct wl1271 *wl = hw->priv; |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1763 | struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */ |
| 1764 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1765 | unsigned long flags; |
| 1766 | bool run_irq_work = false; |
| 1767 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1768 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
| 1769 | wl->wow_enabled); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1770 | WARN_ON(!wl->wow_enabled); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1771 | |
| 1772 | /* |
| 1773 | * re-enable irq_work enqueuing, and call irq_work directly if |
| 1774 | * there is a pending work. |
| 1775 | */ |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1776 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1777 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1778 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) |
| 1779 | run_irq_work = true; |
| 1780 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1781 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1782 | if (run_irq_work) { |
| 1783 | wl1271_debug(DEBUG_MAC80211, |
| 1784 | "run postponed irq_work directly"); |
| 1785 | wl1271_irq(0, wl); |
| 1786 | wl1271_enable_interrupts(wl); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1787 | } |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1788 | wl1271_configure_resume(wl, wlvif); |
Eliad Peller | ff91afc | 2011-06-06 12:21:53 +0300 | [diff] [blame] | 1789 | wl->wow_enabled = false; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1790 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1791 | return 0; |
| 1792 | } |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1793 | #endif |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1794 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1795 | static int wl1271_op_start(struct ieee80211_hw *hw) |
| 1796 | { |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1797 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); |
| 1798 | |
| 1799 | /* |
| 1800 | * We have to delay the booting of the hardware because |
| 1801 | * we need to know the local MAC address before downloading and |
| 1802 | * initializing the firmware. The MAC address cannot be changed |
| 1803 | * after boot, and without the proper MAC address, the firmware |
| 1804 | * will not function properly. |
| 1805 | * |
| 1806 | * The MAC address is first known when the corresponding interface |
| 1807 | * is added. That is where we will initialize the hardware. |
| 1808 | */ |
| 1809 | |
| 1810 | return 0; |
| 1811 | } |
| 1812 | |
| 1813 | static void wl1271_op_stop(struct ieee80211_hw *hw) |
| 1814 | { |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1815 | struct wl1271 *wl = hw->priv; |
| 1816 | int i; |
| 1817 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1818 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1819 | |
| 1820 | mutex_lock(&wl_list_mutex); |
| 1821 | list_del(&wl->list); |
| 1822 | |
| 1823 | /* |
| 1824 | * this must be before the cancel_work calls below, so that the work |
| 1825 | * functions don't perform further work. |
| 1826 | */ |
| 1827 | wl->state = WL1271_STATE_OFF; |
| 1828 | mutex_unlock(&wl_list_mutex); |
| 1829 | |
| 1830 | wl1271_disable_interrupts(wl); |
| 1831 | wl1271_flush_deferred_work(wl); |
| 1832 | cancel_delayed_work_sync(&wl->scan_complete_work); |
| 1833 | cancel_work_sync(&wl->netstack_work); |
| 1834 | cancel_work_sync(&wl->tx_work); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 1835 | cancel_delayed_work_sync(&wl->elp_work); |
| 1836 | |
| 1837 | /* let's notify MAC80211 about the remaining pending TX frames */ |
| 1838 | wl12xx_tx_reset(wl, true); |
| 1839 | mutex_lock(&wl->mutex); |
| 1840 | |
| 1841 | wl1271_power_off(wl); |
| 1842 | |
| 1843 | wl->band = IEEE80211_BAND_2GHZ; |
| 1844 | |
| 1845 | wl->rx_counter = 0; |
| 1846 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
| 1847 | wl->tx_blocks_available = 0; |
| 1848 | wl->tx_allocated_blocks = 0; |
| 1849 | wl->tx_results_count = 0; |
| 1850 | wl->tx_packets_count = 0; |
| 1851 | wl->time_offset = 0; |
| 1852 | wl->vif = NULL; |
| 1853 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; |
| 1854 | wl->ap_fw_ps_map = 0; |
| 1855 | wl->ap_ps_map = 0; |
| 1856 | wl->sched_scanning = false; |
| 1857 | memset(wl->roles_map, 0, sizeof(wl->roles_map)); |
| 1858 | memset(wl->links_map, 0, sizeof(wl->links_map)); |
| 1859 | memset(wl->roc_map, 0, sizeof(wl->roc_map)); |
| 1860 | wl->active_sta_count = 0; |
| 1861 | |
| 1862 | /* The system link is always allocated */ |
| 1863 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
| 1864 | |
| 1865 | /* |
| 1866 | * this is performed after the cancel_work calls and the associated |
| 1867 | * mutex_lock, so that wl1271_op_add_interface does not accidentally |
| 1868 | * get executed before all these vars have been reset. |
| 1869 | */ |
| 1870 | wl->flags = 0; |
| 1871 | |
| 1872 | wl->tx_blocks_freed = 0; |
| 1873 | |
| 1874 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 1875 | wl->tx_pkts_freed[i] = 0; |
| 1876 | wl->tx_allocated_pkts[i] = 0; |
| 1877 | } |
| 1878 | |
| 1879 | wl1271_debugfs_reset(wl); |
| 1880 | |
| 1881 | kfree(wl->fw_status); |
| 1882 | wl->fw_status = NULL; |
| 1883 | kfree(wl->tx_res_if); |
| 1884 | wl->tx_res_if = NULL; |
| 1885 | kfree(wl->target_mem_map); |
| 1886 | wl->target_mem_map = NULL; |
| 1887 | |
| 1888 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1889 | } |
| 1890 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1891 | static u8 wl12xx_get_role_type(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1892 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1893 | switch (wlvif->bss_type) { |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1894 | case BSS_TYPE_AP_BSS: |
Eliad Peller | fb0e707 | 2011-10-05 11:55:47 +0200 | [diff] [blame] | 1895 | if (wlvif->p2p) |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 1896 | return WL1271_ROLE_P2P_GO; |
| 1897 | else |
| 1898 | return WL1271_ROLE_AP; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1899 | |
| 1900 | case BSS_TYPE_STA_BSS: |
Eliad Peller | fb0e707 | 2011-10-05 11:55:47 +0200 | [diff] [blame] | 1901 | if (wlvif->p2p) |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 1902 | return WL1271_ROLE_P2P_CL; |
| 1903 | else |
| 1904 | return WL1271_ROLE_STA; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1905 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 1906 | case BSS_TYPE_IBSS: |
| 1907 | return WL1271_ROLE_IBSS; |
| 1908 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1909 | default: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 1910 | wl1271_error("invalid bss_type: %d", wlvif->bss_type); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 1911 | } |
| 1912 | return WL12XX_INVALID_ROLE_TYPE; |
| 1913 | } |
| 1914 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 1915 | static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 1916 | { |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 1917 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 1918 | |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 1919 | /* clear everything but the persistent data */ |
| 1920 | memset(wlvif, 0, offsetof(struct wl12xx_vif, persistent)); |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 1921 | |
| 1922 | switch (ieee80211_vif_type_p2p(vif)) { |
| 1923 | case NL80211_IFTYPE_P2P_CLIENT: |
| 1924 | wlvif->p2p = 1; |
| 1925 | /* fall-through */ |
| 1926 | case NL80211_IFTYPE_STATION: |
| 1927 | wlvif->bss_type = BSS_TYPE_STA_BSS; |
| 1928 | break; |
| 1929 | case NL80211_IFTYPE_ADHOC: |
| 1930 | wlvif->bss_type = BSS_TYPE_IBSS; |
| 1931 | break; |
| 1932 | case NL80211_IFTYPE_P2P_GO: |
| 1933 | wlvif->p2p = 1; |
| 1934 | /* fall-through */ |
| 1935 | case NL80211_IFTYPE_AP: |
| 1936 | wlvif->bss_type = BSS_TYPE_AP_BSS; |
| 1937 | break; |
| 1938 | default: |
| 1939 | wlvif->bss_type = MAX_BSS_TYPE; |
| 1940 | return -EOPNOTSUPP; |
| 1941 | } |
| 1942 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 1943 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 1944 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | afaf8bd | 2011-10-05 11:55:57 +0200 | [diff] [blame] | 1945 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 1946 | |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 1947 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
| 1948 | wlvif->bss_type == BSS_TYPE_IBSS) { |
| 1949 | /* init sta/ibss data */ |
| 1950 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; |
| 1951 | |
| 1952 | } else { |
| 1953 | /* init ap data */ |
| 1954 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; |
| 1955 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; |
| 1956 | } |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 1957 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 1958 | wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; |
| 1959 | wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 1960 | wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 1961 | wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 1962 | wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; |
Eliad Peller | 6a89979 | 2011-10-05 11:55:58 +0200 | [diff] [blame] | 1963 | wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; |
| 1964 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 1965 | INIT_WORK(&wlvif->rx_streaming_enable_work, |
| 1966 | wl1271_rx_streaming_enable_work); |
| 1967 | INIT_WORK(&wlvif->rx_streaming_disable_work, |
| 1968 | wl1271_rx_streaming_disable_work); |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 1969 | INIT_DELAYED_WORK(&wlvif->pspoll_work, wl1271_pspoll_work); |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 1970 | INIT_LIST_HEAD(&wlvif->list); |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 1971 | |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 1972 | setup_timer(&wlvif->rx_streaming_timer, wl1271_rx_streaming_timer, |
| 1973 | (unsigned long) wlvif); |
| 1974 | |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 1975 | return 0; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 1976 | } |
| 1977 | |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 1978 | static bool wl12xx_init_fw(struct wl1271 *wl) |
| 1979 | { |
| 1980 | int retries = WL1271_BOOT_RETRIES; |
| 1981 | bool booted = false; |
| 1982 | struct wiphy *wiphy = wl->hw->wiphy; |
| 1983 | int ret; |
| 1984 | |
| 1985 | while (retries) { |
| 1986 | retries--; |
| 1987 | ret = wl1271_chip_wakeup(wl); |
| 1988 | if (ret < 0) |
| 1989 | goto power_off; |
| 1990 | |
| 1991 | ret = wl1271_boot(wl); |
| 1992 | if (ret < 0) |
| 1993 | goto power_off; |
| 1994 | |
| 1995 | ret = wl1271_hw_init(wl); |
| 1996 | if (ret < 0) |
| 1997 | goto irq_disable; |
| 1998 | |
| 1999 | booted = true; |
| 2000 | break; |
| 2001 | |
| 2002 | irq_disable: |
| 2003 | mutex_unlock(&wl->mutex); |
| 2004 | /* Unlocking the mutex in the middle of handling is |
| 2005 | inherently unsafe. In this case we deem it safe to do, |
| 2006 | because we need to let any possibly pending IRQ out of |
| 2007 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 2008 | work function will not do anything.) Also, any other |
| 2009 | possible concurrent operations will fail due to the |
| 2010 | current state, hence the wl1271 struct should be safe. */ |
| 2011 | wl1271_disable_interrupts(wl); |
| 2012 | wl1271_flush_deferred_work(wl); |
| 2013 | cancel_work_sync(&wl->netstack_work); |
| 2014 | mutex_lock(&wl->mutex); |
| 2015 | power_off: |
| 2016 | wl1271_power_off(wl); |
| 2017 | } |
| 2018 | |
| 2019 | if (!booted) { |
| 2020 | wl1271_error("firmware boot failed despite %d retries", |
| 2021 | WL1271_BOOT_RETRIES); |
| 2022 | goto out; |
| 2023 | } |
| 2024 | |
| 2025 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
| 2026 | |
| 2027 | /* update hw/fw version info in wiphy struct */ |
| 2028 | wiphy->hw_version = wl->chip.id; |
| 2029 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
| 2030 | sizeof(wiphy->fw_version)); |
| 2031 | |
| 2032 | /* |
| 2033 | * Now we know if 11a is supported (info from the NVS), so disable |
| 2034 | * 11a channels if not supported |
| 2035 | */ |
| 2036 | if (!wl->enable_11a) |
| 2037 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; |
| 2038 | |
| 2039 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", |
| 2040 | wl->enable_11a ? "" : "not "); |
| 2041 | |
| 2042 | wl->state = WL1271_STATE_ON; |
| 2043 | out: |
| 2044 | return booted; |
| 2045 | } |
| 2046 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2047 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
| 2048 | struct ieee80211_vif *vif) |
| 2049 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2050 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2051 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2052 | int ret = 0; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2053 | u8 role_type; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2054 | bool booted = false; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2055 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2056 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 2057 | ieee80211_vif_type_p2p(vif), vif->addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2058 | |
| 2059 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2060 | if (wl->vif) { |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2061 | wl1271_debug(DEBUG_MAC80211, |
| 2062 | "multiple vifs are not supported yet"); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2063 | ret = -EBUSY; |
| 2064 | goto out; |
| 2065 | } |
| 2066 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2067 | /* |
| 2068 | * in some very corner case HW recovery scenarios its possible to |
| 2069 | * get here before __wl1271_op_remove_interface is complete, so |
| 2070 | * opt out if that is the case. |
| 2071 | */ |
| 2072 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { |
| 2073 | ret = -EBUSY; |
| 2074 | goto out; |
| 2075 | } |
| 2076 | |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 2077 | ret = wl12xx_init_vif_data(wl, vif); |
Eliad Peller | e936bbe | 2011-10-05 11:55:56 +0200 | [diff] [blame] | 2078 | if (ret < 0) |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2079 | goto out; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2080 | |
Eliad Peller | 252efa4 | 2011-10-05 11:56:00 +0200 | [diff] [blame] | 2081 | wlvif->wl = wl; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2082 | role_type = wl12xx_get_role_type(wl, wlvif); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2083 | if (role_type == WL12XX_INVALID_ROLE_TYPE) { |
| 2084 | ret = -EINVAL; |
| 2085 | goto out; |
| 2086 | } |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2087 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2088 | /* |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2089 | * TODO: after the nvs issue will be solved, move this block |
| 2090 | * to start(), and make sure here the driver is ON. |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2091 | */ |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2092 | if (wl->state == WL1271_STATE_OFF) { |
| 2093 | /* |
| 2094 | * we still need this in order to configure the fw |
| 2095 | * while uploading the nvs |
| 2096 | */ |
| 2097 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2098 | |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2099 | booted = wl12xx_init_fw(wl); |
| 2100 | if (!booted) { |
| 2101 | ret = -EINVAL; |
| 2102 | goto out; |
Eliad Peller | 04e8079 | 2011-08-14 13:17:09 +0300 | [diff] [blame] | 2103 | } |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2104 | } |
Eliad Peller | 04e8079 | 2011-08-14 13:17:09 +0300 | [diff] [blame] | 2105 | |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2106 | if (wlvif->bss_type == BSS_TYPE_STA_BSS || |
| 2107 | wlvif->bss_type == BSS_TYPE_IBSS) { |
| 2108 | /* |
| 2109 | * The device role is a special role used for |
| 2110 | * rx and tx frames prior to association (as |
| 2111 | * the STA role can get packets only from |
| 2112 | * its associated bssid) |
| 2113 | */ |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2114 | ret = wl12xx_cmd_role_enable(wl, vif->addr, |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2115 | WL1271_ROLE_DEVICE, |
| 2116 | &wlvif->dev_role_id); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2117 | if (ret < 0) |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2118 | goto out; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 2119 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2120 | |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2121 | ret = wl12xx_cmd_role_enable(wl, vif->addr, |
| 2122 | role_type, &wlvif->role_id); |
| 2123 | if (ret < 0) |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2124 | goto out; |
Eliad Peller | 1d09547 | 2011-10-10 10:12:49 +0200 | [diff] [blame] | 2125 | |
| 2126 | ret = wl1271_init_vif_specific(wl, vif); |
| 2127 | if (ret < 0) |
| 2128 | goto out; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 2129 | |
| 2130 | wl->vif = vif; |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 2131 | list_add(&wlvif->list, &wl->wlvif_list); |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2132 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
Eliad Peller | a4e4130 | 2011-10-11 11:49:15 +0200 | [diff] [blame] | 2133 | |
| 2134 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
| 2135 | wl->ap_count++; |
| 2136 | else |
| 2137 | wl->sta_count++; |
Juuso Oikarinen | eb5b28d | 2009-10-13 12:47:45 +0300 | [diff] [blame] | 2138 | out: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2139 | mutex_unlock(&wl->mutex); |
| 2140 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 2141 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | eb887df | 2010-07-08 17:49:58 +0300 | [diff] [blame] | 2142 | if (!ret) |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 2143 | list_add(&wl->list, &wl_list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 2144 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 2145 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2146 | return ret; |
| 2147 | } |
| 2148 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 2149 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2150 | struct ieee80211_vif *vif, |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 2151 | bool reset_tx_queues) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2152 | { |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2153 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2154 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2155 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2156 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2157 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 2158 | /* because of hardware recovery, we may get here twice */ |
| 2159 | if (wl->state != WL1271_STATE_ON) |
| 2160 | return; |
| 2161 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 2162 | wl1271_info("down"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2163 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 2164 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2165 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2166 | ieee80211_enable_dyn_ps(vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 2167 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2168 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE && |
| 2169 | wl->scan_vif == vif) { |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 2170 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 2171 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2172 | wl->scan_vif = NULL; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2173 | wl->scan.req = NULL; |
Juuso Oikarinen | 76a029f | 2010-07-29 04:54:45 +0300 | [diff] [blame] | 2174 | ieee80211_scan_completed(wl->hw, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2175 | } |
| 2176 | |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2177 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) { |
| 2178 | /* disable active roles */ |
| 2179 | ret = wl1271_ps_elp_wakeup(wl); |
| 2180 | if (ret < 0) |
| 2181 | goto deinit; |
| 2182 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2183 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2184 | ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id); |
Eliad Peller | 04e8079 | 2011-08-14 13:17:09 +0300 | [diff] [blame] | 2185 | if (ret < 0) |
| 2186 | goto deinit; |
| 2187 | } |
| 2188 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2189 | ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id); |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2190 | if (ret < 0) |
| 2191 | goto deinit; |
| 2192 | |
| 2193 | wl1271_ps_elp_sleep(wl); |
| 2194 | } |
| 2195 | deinit: |
Arik Nemtsov | e51ae9b | 2011-08-14 13:17:21 +0300 | [diff] [blame] | 2196 | /* clear all hlids (except system_hlid) */ |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 2197 | wlvif->sta.hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | afaf8bd | 2011-10-05 11:55:57 +0200 | [diff] [blame] | 2198 | wlvif->dev_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2199 | wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; |
| 2200 | wlvif->ap.global_hlid = WL12XX_INVALID_LINK_ID; |
Eliad Peller | b78b47e | 2011-08-14 13:17:08 +0300 | [diff] [blame] | 2201 | |
Eliad Peller | d6a3cc2 | 2011-10-10 10:12:51 +0200 | [diff] [blame] | 2202 | wl12xx_tx_reset_wlvif(wl, wlvif); |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2203 | wl1271_free_ap_keys(wl, wlvif); |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 2204 | list_del(&wlvif->list); |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 2205 | memset(wlvif->ap.sta_hlid_map, 0, sizeof(wlvif->ap.sta_hlid_map)); |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2206 | wlvif->role_id = WL12XX_INVALID_ROLE_ID; |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2207 | wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID; |
Luciano Coelho | d6e19d1 | 2009-10-12 15:08:43 +0300 | [diff] [blame] | 2208 | |
Eliad Peller | a4e4130 | 2011-10-11 11:49:15 +0200 | [diff] [blame] | 2209 | if (wlvif->bss_type == BSS_TYPE_AP_BSS) |
| 2210 | wl->ap_count--; |
| 2211 | else |
| 2212 | wl->sta_count--; |
| 2213 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2214 | mutex_unlock(&wl->mutex); |
Eliad Peller | 9eb599e | 2011-10-10 10:12:59 +0200 | [diff] [blame] | 2215 | del_timer_sync(&wlvif->rx_streaming_timer); |
| 2216 | cancel_work_sync(&wlvif->rx_streaming_enable_work); |
| 2217 | cancel_work_sync(&wlvif->rx_streaming_disable_work); |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2218 | cancel_delayed_work_sync(&wlvif->pspoll_work); |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 2219 | |
Eliad Peller | baf6277 | 2011-10-10 10:12:52 +0200 | [diff] [blame] | 2220 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2221 | } |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 2222 | |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 2223 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
| 2224 | struct ieee80211_vif *vif) |
| 2225 | { |
| 2226 | struct wl1271 *wl = hw->priv; |
| 2227 | |
| 2228 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2229 | /* |
| 2230 | * wl->vif can be null here if someone shuts down the interface |
| 2231 | * just when hardware recovery has been started. |
| 2232 | */ |
| 2233 | if (wl->vif) { |
| 2234 | WARN_ON(wl->vif != vif); |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2235 | __wl1271_op_remove_interface(wl, vif, true); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2236 | } |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 2237 | |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 2238 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 2239 | cancel_work_sync(&wl->recovery_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2240 | } |
| 2241 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2242 | static int wl1271_join(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 2243 | bool set_assoc) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2244 | { |
| 2245 | int ret; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2246 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2247 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2248 | /* |
| 2249 | * One of the side effects of the JOIN command is that is clears |
| 2250 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated |
| 2251 | * 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] | 2252 | * Currently the only valid scenario for JOIN during association |
| 2253 | * is on roaming, in which case we will also be given new keys. |
| 2254 | * Keep the below message for now, unless it starts bothering |
| 2255 | * users who really like to roam a lot :) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2256 | */ |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2257 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2258 | wl1271_info("JOIN while associated."); |
| 2259 | |
| 2260 | if (set_assoc) |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2261 | set_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags); |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2262 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 2263 | if (is_ibss) |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2264 | ret = wl12xx_cmd_role_start_ibss(wl, wlvif); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 2265 | else |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2266 | ret = wl12xx_cmd_role_start_sta(wl, wlvif); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2267 | if (ret < 0) |
| 2268 | goto out; |
| 2269 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2270 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2271 | goto out; |
| 2272 | |
| 2273 | /* |
| 2274 | * The join command disable the keep-alive mode, shut down its process, |
| 2275 | * and also clear the template config, so we need to reset it all after |
| 2276 | * the join. The acx_aid starts the keep-alive process, and the order |
| 2277 | * of the commands below is relevant. |
| 2278 | */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2279 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, true); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2280 | if (ret < 0) |
| 2281 | goto out; |
| 2282 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2283 | ret = wl1271_acx_aid(wl, wlvif, wlvif->aid); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2284 | if (ret < 0) |
| 2285 | goto out; |
| 2286 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 2287 | ret = wl12xx_cmd_build_klv_null_data(wl, wlvif); |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2288 | if (ret < 0) |
| 2289 | goto out; |
| 2290 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2291 | ret = wl1271_acx_keep_alive_config(wl, wlvif, |
| 2292 | CMD_TEMPL_KLV_IDX_NULL_DATA, |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2293 | ACX_KEEP_ALIVE_TPL_VALID); |
| 2294 | if (ret < 0) |
| 2295 | goto out; |
| 2296 | |
| 2297 | out: |
| 2298 | return ret; |
| 2299 | } |
| 2300 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2301 | static int wl1271_unjoin(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2302 | { |
| 2303 | int ret; |
| 2304 | |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 2305 | if (test_and_clear_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags)) { |
| 2306 | wl12xx_cmd_stop_channel_switch(wl); |
| 2307 | ieee80211_chswitch_done(wl->vif, false); |
| 2308 | } |
| 2309 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2310 | /* to stop listening to a channel, we disconnect */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2311 | ret = wl12xx_cmd_role_stop_sta(wl, wlvif); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2312 | if (ret < 0) |
| 2313 | goto out; |
| 2314 | |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 2315 | /* reset TX security counters on a clean disconnect */ |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 2316 | wlvif->tx_security_last_seq_lsb = 0; |
| 2317 | wlvif->tx_security_seq = 0; |
Oz Krakowski | b992c68 | 2011-06-26 10:36:02 +0300 | [diff] [blame] | 2318 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2319 | out: |
| 2320 | return ret; |
| 2321 | } |
| 2322 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2323 | static void wl1271_set_band_rate(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2324 | { |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 2325 | wlvif->basic_rate_set = wlvif->bitrate_masks[wl->band]; |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 2326 | wlvif->rate_set = wlvif->basic_rate_set; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2327 | } |
| 2328 | |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2329 | static bool wl12xx_is_roc(struct wl1271 *wl) |
| 2330 | { |
| 2331 | u8 role_id; |
| 2332 | |
| 2333 | role_id = find_first_bit(wl->roc_map, WL12XX_MAX_ROLES); |
| 2334 | if (role_id >= WL12XX_MAX_ROLES) |
| 2335 | return false; |
| 2336 | |
| 2337 | return true; |
| 2338 | } |
| 2339 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2340 | static int wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 2341 | bool idle) |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2342 | { |
| 2343 | int ret; |
| 2344 | |
| 2345 | if (idle) { |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2346 | /* no need to croc if we weren't busy (e.g. during boot) */ |
| 2347 | if (wl12xx_is_roc(wl)) { |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2348 | ret = wl12xx_croc(wl, wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2349 | if (ret < 0) |
| 2350 | goto out; |
| 2351 | |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2352 | ret = wl12xx_cmd_role_stop_dev(wl, wlvif); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2353 | if (ret < 0) |
| 2354 | goto out; |
| 2355 | } |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 2356 | wlvif->rate_set = |
| 2357 | wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
| 2358 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2359 | if (ret < 0) |
| 2360 | goto out; |
| 2361 | ret = wl1271_acx_keep_alive_config( |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2362 | wl, wlvif, CMD_TEMPL_KLV_IDX_NULL_DATA, |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2363 | ACX_KEEP_ALIVE_TPL_INVALID); |
| 2364 | if (ret < 0) |
| 2365 | goto out; |
| 2366 | set_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2367 | } else { |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2368 | /* The current firmware only supports sched_scan in idle */ |
| 2369 | if (wl->sched_scanning) { |
| 2370 | wl1271_scan_sched_scan_stop(wl); |
| 2371 | ieee80211_sched_scan_stopped(wl->hw); |
| 2372 | } |
| 2373 | |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2374 | ret = wl12xx_cmd_role_start_dev(wl, wlvif); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2375 | if (ret < 0) |
| 2376 | goto out; |
| 2377 | |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2378 | ret = wl12xx_roc(wl, wlvif->dev_role_id); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2379 | if (ret < 0) |
| 2380 | goto out; |
| 2381 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2382 | } |
| 2383 | |
| 2384 | out: |
| 2385 | return ret; |
| 2386 | } |
| 2387 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2388 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
| 2389 | { |
| 2390 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2391 | struct ieee80211_vif *vif = wl->vif; /* TODO: reconfig all vifs */ |
| 2392 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2393 | struct ieee80211_conf *conf = &hw->conf; |
| 2394 | int channel, ret = 0; |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2395 | bool is_ap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2396 | |
| 2397 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 2398 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2399 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
| 2400 | " changed 0x%x", |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2401 | channel, |
| 2402 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2403 | conf->power_level, |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2404 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
| 2405 | changed); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2406 | |
Juuso Oikarinen | 781608c | 2010-05-24 11:18:17 +0300 | [diff] [blame] | 2407 | /* |
| 2408 | * mac80211 will go to idle nearly immediately after transmitting some |
| 2409 | * frames, such as the deauth. To make sure those frames reach the air, |
| 2410 | * wait here until the TX queue is fully flushed. |
| 2411 | */ |
| 2412 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| 2413 | (conf->flags & IEEE80211_CONF_IDLE)) |
| 2414 | wl1271_tx_flush(wl); |
| 2415 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2416 | mutex_lock(&wl->mutex); |
| 2417 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2418 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
Arik Nemtsov | 17e672d | 2011-03-22 10:07:47 +0200 | [diff] [blame] | 2419 | /* we support configuring the channel and band while off */ |
| 2420 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { |
| 2421 | wl->band = conf->channel->band; |
| 2422 | wl->channel = channel; |
| 2423 | } |
| 2424 | |
Arik Nemtsov | 097f882 | 2011-06-27 22:06:34 +0300 | [diff] [blame] | 2425 | if ((changed & IEEE80211_CONF_CHANGE_POWER)) |
| 2426 | wl->power_level = conf->power_level; |
| 2427 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2428 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2429 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 2430 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2431 | is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2432 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2433 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2434 | if (ret < 0) |
| 2435 | goto out; |
| 2436 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2437 | /* if the channel changes while joined, join again */ |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2438 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
| 2439 | ((wl->band != conf->channel->band) || |
| 2440 | (wl->channel != channel))) { |
Eliad Peller | c6930b0 | 2011-09-15 13:00:01 +0300 | [diff] [blame] | 2441 | /* send all pending packets */ |
Eliad Peller | a32d0cd | 2011-10-10 10:12:55 +0200 | [diff] [blame] | 2442 | wl1271_tx_work_locked(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2443 | wl->band = conf->channel->band; |
| 2444 | wl->channel = channel; |
| 2445 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2446 | if (!is_ap) { |
| 2447 | /* |
| 2448 | * FIXME: the mac80211 should really provide a fixed |
| 2449 | * rate to use here. for now, just use the smallest |
| 2450 | * possible rate for the band as a fixed rate for |
| 2451 | * association frames and other control messages. |
| 2452 | */ |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2453 | if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2454 | wl1271_set_band_rate(wl, wlvif); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2455 | |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 2456 | wlvif->basic_rate = |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2457 | wl1271_tx_min_rate_get(wl, |
| 2458 | wlvif->basic_rate_set); |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 2459 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2460 | if (ret < 0) |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2461 | wl1271_warning("rate policy for channel " |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2462 | "failed %d", ret); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2463 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2464 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, |
| 2465 | &wlvif->flags)) { |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2466 | if (wl12xx_is_roc(wl)) { |
| 2467 | /* roaming */ |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2468 | ret = wl12xx_croc(wl, |
| 2469 | wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2470 | if (ret < 0) |
| 2471 | goto out_sleep; |
| 2472 | } |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2473 | ret = wl1271_join(wl, wlvif, false); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2474 | if (ret < 0) |
| 2475 | wl1271_warning("cmd join on channel " |
| 2476 | "failed %d", ret); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2477 | } else { |
| 2478 | /* |
| 2479 | * change the ROC channel. do it only if we are |
| 2480 | * not idle. otherwise, CROC will be called |
| 2481 | * anyway. |
| 2482 | */ |
| 2483 | if (wl12xx_is_roc(wl) && |
| 2484 | !(conf->flags & IEEE80211_CONF_IDLE)) { |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2485 | ret = wl12xx_croc(wl, |
| 2486 | wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2487 | if (ret < 0) |
| 2488 | goto out_sleep; |
| 2489 | |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2490 | ret = wl12xx_roc(wl, |
| 2491 | wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2492 | if (ret < 0) |
| 2493 | wl1271_warning("roc failed %d", |
| 2494 | ret); |
| 2495 | } |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2496 | } |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2497 | } |
| 2498 | } |
| 2499 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2500 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 2501 | ret = wl1271_sta_handle_idle(wl, wlvif, |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2502 | conf->flags & IEEE80211_CONF_IDLE); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2503 | if (ret < 0) |
| 2504 | wl1271_warning("idle mode change failed %d", ret); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2505 | } |
| 2506 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 2507 | /* |
| 2508 | * if mac80211 changes the PSM mode, make sure the mode is not |
| 2509 | * incorrectly changed after the pspoll failure active window. |
| 2510 | */ |
| 2511 | if (changed & IEEE80211_CONF_CHANGE_PS) |
| 2512 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); |
| 2513 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2514 | if (conf->flags & IEEE80211_CONF_PS && |
| 2515 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
| 2516 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2517 | |
| 2518 | /* |
| 2519 | * We enter PSM only if we're already associated. |
| 2520 | * If we're not, we'll enter it when joining an SSID, |
| 2521 | * through the bss_info_changed() hook. |
| 2522 | */ |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2523 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2524 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2525 | ret = wl1271_ps_set_mode(wl, wlvif, |
| 2526 | STATION_POWER_SAVE_MODE, |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 2527 | wlvif->basic_rate, true); |
Juuso Oikarinen | af5e084 | 2009-12-11 15:41:00 +0200 | [diff] [blame] | 2528 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2529 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2530 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2531 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2532 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2533 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2534 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2535 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2536 | ret = wl1271_ps_set_mode(wl, wlvif, |
| 2537 | STATION_ACTIVE_MODE, |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 2538 | wlvif->basic_rate, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2539 | } |
| 2540 | |
| 2541 | if (conf->power_level != wl->power_level) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2542 | ret = wl1271_acx_tx_power(wl, wlvif, conf->power_level); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2543 | if (ret < 0) |
Juuso Oikarinen | c6317a5 | 2009-11-02 20:22:08 +0200 | [diff] [blame] | 2544 | goto out_sleep; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2545 | |
| 2546 | wl->power_level = conf->power_level; |
| 2547 | } |
| 2548 | |
| 2549 | out_sleep: |
| 2550 | wl1271_ps_elp_sleep(wl); |
| 2551 | |
| 2552 | out: |
| 2553 | mutex_unlock(&wl->mutex); |
| 2554 | |
| 2555 | return ret; |
| 2556 | } |
| 2557 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2558 | struct wl1271_filter_params { |
| 2559 | bool enabled; |
| 2560 | int mc_list_length; |
| 2561 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 2562 | }; |
| 2563 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2564 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
| 2565 | struct netdev_hw_addr_list *mc_list) |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2566 | { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2567 | struct wl1271_filter_params *fp; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2568 | struct netdev_hw_addr *ha; |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2569 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2570 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2571 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 2572 | return 0; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2573 | |
Juuso Oikarinen | 7444113 | 2009-10-13 12:47:53 +0300 | [diff] [blame] | 2574 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2575 | if (!fp) { |
| 2576 | wl1271_error("Out of memory setting filters."); |
| 2577 | return 0; |
| 2578 | } |
| 2579 | |
| 2580 | /* update multicast filtering parameters */ |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2581 | fp->mc_list_length = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2582 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 2583 | fp->enabled = false; |
| 2584 | } else { |
| 2585 | fp->enabled = true; |
| 2586 | netdev_hw_addr_list_for_each(ha, mc_list) { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2587 | memcpy(fp->mc_list[fp->mc_list_length], |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2588 | ha->addr, ETH_ALEN); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2589 | fp->mc_list_length++; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2590 | } |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2591 | } |
| 2592 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2593 | return (u64)(unsigned long)fp; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2594 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2595 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2596 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
| 2597 | FIF_ALLMULTI | \ |
| 2598 | FIF_FCSFAIL | \ |
| 2599 | FIF_BCN_PRBRESP_PROMISC | \ |
| 2600 | FIF_CONTROL | \ |
| 2601 | FIF_OTHER_BSS) |
| 2602 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2603 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
| 2604 | unsigned int changed, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2605 | unsigned int *total, u64 multicast) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2606 | { |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2607 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2608 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2609 | struct ieee80211_vif *vif = wl->vif; /* TODO: get as param */ |
| 2610 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 2611 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2612 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2613 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2614 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
| 2615 | " total %x", changed, *total); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2616 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2617 | mutex_lock(&wl->mutex); |
| 2618 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2619 | *total &= WL1271_SUPPORTED_FILTERS; |
| 2620 | changed &= WL1271_SUPPORTED_FILTERS; |
| 2621 | |
| 2622 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2623 | goto out; |
| 2624 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2625 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2626 | if (ret < 0) |
| 2627 | goto out; |
| 2628 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2629 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) { |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2630 | if (*total & FIF_ALLMULTI) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2631 | ret = wl1271_acx_group_address_tbl(wl, wlvif, false, |
| 2632 | NULL, 0); |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2633 | else if (fp) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 2634 | ret = wl1271_acx_group_address_tbl(wl, wlvif, |
| 2635 | fp->enabled, |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2636 | fp->mc_list, |
| 2637 | fp->mc_list_length); |
| 2638 | if (ret < 0) |
| 2639 | goto out_sleep; |
| 2640 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2641 | |
Eliad Peller | 08c1d1c | 2011-08-14 13:17:04 +0300 | [diff] [blame] | 2642 | /* |
| 2643 | * the fw doesn't provide an api to configure the filters. instead, |
| 2644 | * the filters configuration is based on the active roles / ROC |
| 2645 | * state. |
| 2646 | */ |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2647 | |
| 2648 | out_sleep: |
| 2649 | wl1271_ps_elp_sleep(wl); |
| 2650 | |
| 2651 | out: |
| 2652 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2653 | kfree(fp); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2654 | } |
| 2655 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2656 | static int wl1271_record_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 2657 | u8 id, u8 key_type, u8 key_size, |
| 2658 | const u8 *key, u8 hlid, u32 tx_seq_32, |
| 2659 | u16 tx_seq_16) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2660 | { |
| 2661 | struct wl1271_ap_key *ap_key; |
| 2662 | int i; |
| 2663 | |
| 2664 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); |
| 2665 | |
| 2666 | if (key_size > MAX_KEY_SIZE) |
| 2667 | return -EINVAL; |
| 2668 | |
| 2669 | /* |
| 2670 | * Find next free entry in ap_keys. Also check we are not replacing |
| 2671 | * an existing key. |
| 2672 | */ |
| 2673 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2674 | if (wlvif->ap.recorded_keys[i] == NULL) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2675 | break; |
| 2676 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2677 | if (wlvif->ap.recorded_keys[i]->id == id) { |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2678 | wl1271_warning("trying to record key replacement"); |
| 2679 | return -EINVAL; |
| 2680 | } |
| 2681 | } |
| 2682 | |
| 2683 | if (i == MAX_NUM_KEYS) |
| 2684 | return -EBUSY; |
| 2685 | |
| 2686 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); |
| 2687 | if (!ap_key) |
| 2688 | return -ENOMEM; |
| 2689 | |
| 2690 | ap_key->id = id; |
| 2691 | ap_key->key_type = key_type; |
| 2692 | ap_key->key_size = key_size; |
| 2693 | memcpy(ap_key->key, key, key_size); |
| 2694 | ap_key->hlid = hlid; |
| 2695 | ap_key->tx_seq_32 = tx_seq_32; |
| 2696 | ap_key->tx_seq_16 = tx_seq_16; |
| 2697 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2698 | wlvif->ap.recorded_keys[i] = ap_key; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2699 | return 0; |
| 2700 | } |
| 2701 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2702 | static void wl1271_free_ap_keys(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2703 | { |
| 2704 | int i; |
| 2705 | |
| 2706 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2707 | kfree(wlvif->ap.recorded_keys[i]); |
| 2708 | wlvif->ap.recorded_keys[i] = NULL; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2709 | } |
| 2710 | } |
| 2711 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2712 | static int wl1271_ap_init_hwenc(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2713 | { |
| 2714 | int i, ret = 0; |
| 2715 | struct wl1271_ap_key *key; |
| 2716 | bool wep_key_added = false; |
| 2717 | |
| 2718 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 2719 | u8 hlid; |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2720 | if (wlvif->ap.recorded_keys[i] == NULL) |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2721 | break; |
| 2722 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2723 | key = wlvif->ap.recorded_keys[i]; |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 2724 | hlid = key->hlid; |
| 2725 | if (hlid == WL12XX_INVALID_LINK_ID) |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2726 | hlid = wlvif->ap.bcast_hlid; |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 2727 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2728 | ret = wl1271_cmd_set_ap_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2729 | key->id, key->key_type, |
| 2730 | key->key_size, key->key, |
Eliad Peller | 7f97b48 | 2011-08-14 13:17:30 +0300 | [diff] [blame] | 2731 | hlid, key->tx_seq_32, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2732 | key->tx_seq_16); |
| 2733 | if (ret < 0) |
| 2734 | goto out; |
| 2735 | |
| 2736 | if (key->key_type == KEY_WEP) |
| 2737 | wep_key_added = true; |
| 2738 | } |
| 2739 | |
| 2740 | if (wep_key_added) { |
Eliad Peller | f75c753f | 2011-10-05 11:55:59 +0200 | [diff] [blame] | 2741 | ret = wl12xx_cmd_set_default_wep_key(wl, wlvif->default_key, |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2742 | wlvif->ap.bcast_hlid); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2743 | if (ret < 0) |
| 2744 | goto out; |
| 2745 | } |
| 2746 | |
| 2747 | out: |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2748 | wl1271_free_ap_keys(wl, wlvif); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2749 | return ret; |
| 2750 | } |
| 2751 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2752 | static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 2753 | u16 action, u8 id, u8 key_type, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2754 | u8 key_size, const u8 *key, u32 tx_seq_32, |
| 2755 | u16 tx_seq_16, struct ieee80211_sta *sta) |
| 2756 | { |
| 2757 | int ret; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2758 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2759 | |
| 2760 | if (is_ap) { |
| 2761 | struct wl1271_station *wl_sta; |
| 2762 | u8 hlid; |
| 2763 | |
| 2764 | if (sta) { |
| 2765 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 2766 | hlid = wl_sta->hlid; |
| 2767 | } else { |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2768 | hlid = wlvif->ap.bcast_hlid; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2769 | } |
| 2770 | |
| 2771 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2772 | /* |
| 2773 | * We do not support removing keys after AP shutdown. |
| 2774 | * Pretend we do to make mac80211 happy. |
| 2775 | */ |
| 2776 | if (action != KEY_ADD_OR_REPLACE) |
| 2777 | return 0; |
| 2778 | |
Eliad Peller | 170d0e6 | 2011-10-05 11:56:06 +0200 | [diff] [blame] | 2779 | ret = wl1271_record_ap_key(wl, wlvif, id, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2780 | key_type, key_size, |
| 2781 | key, hlid, tx_seq_32, |
| 2782 | tx_seq_16); |
| 2783 | } else { |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2784 | ret = wl1271_cmd_set_ap_key(wl, wlvif, action, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2785 | id, key_type, key_size, |
| 2786 | key, hlid, tx_seq_32, |
| 2787 | tx_seq_16); |
| 2788 | } |
| 2789 | |
| 2790 | if (ret < 0) |
| 2791 | return ret; |
| 2792 | } else { |
| 2793 | const u8 *addr; |
| 2794 | static const u8 bcast_addr[ETH_ALEN] = { |
| 2795 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 2796 | }; |
| 2797 | |
Guy Eilam | e9eb8cb | 2011-08-16 19:49:12 +0300 | [diff] [blame] | 2798 | /* |
| 2799 | * A STA set to GEM cipher requires 2 tx spare blocks. |
| 2800 | * Return to default value when GEM cipher key is removed |
| 2801 | */ |
| 2802 | if (key_type == KEY_GEM) { |
| 2803 | if (action == KEY_ADD_OR_REPLACE) |
| 2804 | wl->tx_spare_blocks = 2; |
| 2805 | else if (action == KEY_REMOVE) |
| 2806 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; |
| 2807 | } |
| 2808 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2809 | addr = sta ? sta->addr : bcast_addr; |
| 2810 | |
| 2811 | if (is_zero_ether_addr(addr)) { |
| 2812 | /* We dont support TX only encryption */ |
| 2813 | return -EOPNOTSUPP; |
| 2814 | } |
| 2815 | |
| 2816 | /* The wl1271 does not allow to remove unicast keys - they |
| 2817 | will be cleared automatically on next CMD_JOIN. Ignore the |
| 2818 | request silently, as we dont want the mac80211 to emit |
| 2819 | an error message. */ |
| 2820 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) |
| 2821 | return 0; |
| 2822 | |
Eliad Peller | 010d3d3 | 2011-08-14 13:17:31 +0300 | [diff] [blame] | 2823 | /* don't remove key if hlid was already deleted */ |
| 2824 | if (action == KEY_REMOVE && |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 2825 | wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
Eliad Peller | 010d3d3 | 2011-08-14 13:17:31 +0300 | [diff] [blame] | 2826 | return 0; |
| 2827 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 2828 | ret = wl1271_cmd_set_sta_key(wl, wlvif, action, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2829 | id, key_type, key_size, |
| 2830 | key, addr, tx_seq_32, |
| 2831 | tx_seq_16); |
| 2832 | if (ret < 0) |
| 2833 | return ret; |
| 2834 | |
| 2835 | /* the default WEP key needs to be configured at least once */ |
| 2836 | if (key_type == KEY_WEP) { |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 2837 | ret = wl12xx_cmd_set_default_wep_key(wl, |
Eliad Peller | f75c753f | 2011-10-05 11:55:59 +0200 | [diff] [blame] | 2838 | wlvif->default_key, |
| 2839 | wlvif->sta.hlid); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2840 | if (ret < 0) |
| 2841 | return ret; |
| 2842 | } |
| 2843 | } |
| 2844 | |
| 2845 | return 0; |
| 2846 | } |
| 2847 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2848 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2849 | struct ieee80211_vif *vif, |
| 2850 | struct ieee80211_sta *sta, |
| 2851 | struct ieee80211_key_conf *key_conf) |
| 2852 | { |
| 2853 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2854 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2855 | int ret; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 2856 | u32 tx_seq_32 = 0; |
| 2857 | u16 tx_seq_16 = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2858 | u8 key_type; |
| 2859 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2860 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
| 2861 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2862 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2863 | 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] | 2864 | key_conf->cipher, key_conf->keyidx, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2865 | key_conf->keylen, key_conf->flags); |
| 2866 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); |
| 2867 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2868 | mutex_lock(&wl->mutex); |
| 2869 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2870 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2871 | ret = -EAGAIN; |
| 2872 | goto out_unlock; |
| 2873 | } |
| 2874 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2875 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2876 | if (ret < 0) |
| 2877 | goto out_unlock; |
| 2878 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2879 | switch (key_conf->cipher) { |
| 2880 | case WLAN_CIPHER_SUITE_WEP40: |
| 2881 | case WLAN_CIPHER_SUITE_WEP104: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2882 | key_type = KEY_WEP; |
| 2883 | |
| 2884 | key_conf->hw_key_idx = key_conf->keyidx; |
| 2885 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2886 | case WLAN_CIPHER_SUITE_TKIP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2887 | key_type = KEY_TKIP; |
| 2888 | |
| 2889 | key_conf->hw_key_idx = key_conf->keyidx; |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 2890 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
| 2891 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2892 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2893 | case WLAN_CIPHER_SUITE_CCMP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2894 | key_type = KEY_AES; |
| 2895 | |
| 2896 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 2897 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
| 2898 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2899 | break; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 2900 | case WL1271_CIPHER_SUITE_GEM: |
| 2901 | key_type = KEY_GEM; |
Eliad Peller | 48e93e4 | 2011-10-10 10:12:58 +0200 | [diff] [blame] | 2902 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq); |
| 2903 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq); |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 2904 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2905 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2906 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2907 | |
| 2908 | ret = -EOPNOTSUPP; |
| 2909 | goto out_sleep; |
| 2910 | } |
| 2911 | |
| 2912 | switch (cmd) { |
| 2913 | case SET_KEY: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2914 | ret = wl1271_set_key(wl, wlvif, KEY_ADD_OR_REPLACE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2915 | key_conf->keyidx, key_type, |
| 2916 | key_conf->keylen, key_conf->key, |
| 2917 | tx_seq_32, tx_seq_16, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2918 | if (ret < 0) { |
| 2919 | wl1271_error("Could not add or replace key"); |
| 2920 | goto out_sleep; |
| 2921 | } |
| 2922 | break; |
| 2923 | |
| 2924 | case DISABLE_KEY: |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 2925 | ret = wl1271_set_key(wl, wlvif, KEY_REMOVE, |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2926 | key_conf->keyidx, key_type, |
| 2927 | key_conf->keylen, key_conf->key, |
| 2928 | 0, 0, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2929 | if (ret < 0) { |
| 2930 | wl1271_error("Could not remove key"); |
| 2931 | goto out_sleep; |
| 2932 | } |
| 2933 | break; |
| 2934 | |
| 2935 | default: |
| 2936 | wl1271_error("Unsupported key cmd 0x%x", cmd); |
| 2937 | ret = -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2938 | break; |
| 2939 | } |
| 2940 | |
| 2941 | out_sleep: |
| 2942 | wl1271_ps_elp_sleep(wl); |
| 2943 | |
| 2944 | out_unlock: |
| 2945 | mutex_unlock(&wl->mutex); |
| 2946 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2947 | return ret; |
| 2948 | } |
| 2949 | |
| 2950 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 2951 | struct ieee80211_vif *vif, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2952 | struct cfg80211_scan_request *req) |
| 2953 | { |
| 2954 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2955 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 2956 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2957 | int ret; |
| 2958 | u8 *ssid = NULL; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2959 | size_t len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2960 | |
| 2961 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
| 2962 | |
| 2963 | if (req->n_ssids) { |
| 2964 | ssid = req->ssids[0].ssid; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2965 | len = req->ssids[0].ssid_len; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2966 | } |
| 2967 | |
| 2968 | mutex_lock(&wl->mutex); |
| 2969 | |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2970 | if (wl->state == WL1271_STATE_OFF) { |
| 2971 | /* |
| 2972 | * We cannot return -EBUSY here because cfg80211 will expect |
| 2973 | * a call to ieee80211_scan_completed if we do - in this case |
| 2974 | * there won't be any call. |
| 2975 | */ |
| 2976 | ret = -EAGAIN; |
| 2977 | goto out; |
| 2978 | } |
| 2979 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2980 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2981 | if (ret < 0) |
| 2982 | goto out; |
| 2983 | |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2984 | /* cancel ROC before scanning */ |
| 2985 | if (wl12xx_is_roc(wl)) { |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 2986 | if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) { |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2987 | /* don't allow scanning right now */ |
| 2988 | ret = -EBUSY; |
| 2989 | goto out_sleep; |
| 2990 | } |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 2991 | wl12xx_croc(wl, wlvif->dev_role_id); |
| 2992 | wl12xx_cmd_role_stop_dev(wl, wlvif); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2993 | } |
| 2994 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 2995 | ret = wl1271_scan(hw->priv, vif, ssid, len, req); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 2996 | out_sleep: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2997 | wl1271_ps_elp_sleep(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2998 | out: |
| 2999 | mutex_unlock(&wl->mutex); |
| 3000 | |
| 3001 | return ret; |
| 3002 | } |
| 3003 | |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3004 | static void wl1271_op_cancel_hw_scan(struct ieee80211_hw *hw, |
| 3005 | struct ieee80211_vif *vif) |
| 3006 | { |
| 3007 | struct wl1271 *wl = hw->priv; |
| 3008 | int ret; |
| 3009 | |
| 3010 | wl1271_debug(DEBUG_MAC80211, "mac80211 cancel hw scan"); |
| 3011 | |
| 3012 | mutex_lock(&wl->mutex); |
| 3013 | |
| 3014 | if (wl->state == WL1271_STATE_OFF) |
| 3015 | goto out; |
| 3016 | |
| 3017 | if (wl->scan.state == WL1271_SCAN_STATE_IDLE) |
| 3018 | goto out; |
| 3019 | |
| 3020 | ret = wl1271_ps_elp_wakeup(wl); |
| 3021 | if (ret < 0) |
| 3022 | goto out; |
| 3023 | |
| 3024 | if (wl->scan.state != WL1271_SCAN_STATE_DONE) { |
| 3025 | ret = wl1271_scan_stop(wl); |
| 3026 | if (ret < 0) |
| 3027 | goto out_sleep; |
| 3028 | } |
| 3029 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
| 3030 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 3031 | wl->scan_vif = NULL; |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 3032 | wl->scan.req = NULL; |
| 3033 | ieee80211_scan_completed(wl->hw, true); |
| 3034 | |
| 3035 | out_sleep: |
| 3036 | wl1271_ps_elp_sleep(wl); |
| 3037 | out: |
| 3038 | mutex_unlock(&wl->mutex); |
| 3039 | |
| 3040 | cancel_delayed_work_sync(&wl->scan_complete_work); |
| 3041 | } |
| 3042 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3043 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
| 3044 | struct ieee80211_vif *vif, |
| 3045 | struct cfg80211_sched_scan_request *req, |
| 3046 | struct ieee80211_sched_scan_ies *ies) |
| 3047 | { |
| 3048 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3049 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3050 | int ret; |
| 3051 | |
| 3052 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); |
| 3053 | |
| 3054 | mutex_lock(&wl->mutex); |
| 3055 | |
| 3056 | ret = wl1271_ps_elp_wakeup(wl); |
| 3057 | if (ret < 0) |
| 3058 | goto out; |
| 3059 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3060 | ret = wl1271_scan_sched_scan_config(wl, wlvif, req, ies); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3061 | if (ret < 0) |
| 3062 | goto out_sleep; |
| 3063 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3064 | ret = wl1271_scan_sched_scan_start(wl, wlvif); |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3065 | if (ret < 0) |
| 3066 | goto out_sleep; |
| 3067 | |
| 3068 | wl->sched_scanning = true; |
| 3069 | |
| 3070 | out_sleep: |
| 3071 | wl1271_ps_elp_sleep(wl); |
| 3072 | out: |
| 3073 | mutex_unlock(&wl->mutex); |
| 3074 | return ret; |
| 3075 | } |
| 3076 | |
| 3077 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
| 3078 | struct ieee80211_vif *vif) |
| 3079 | { |
| 3080 | struct wl1271 *wl = hw->priv; |
| 3081 | int ret; |
| 3082 | |
| 3083 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); |
| 3084 | |
| 3085 | mutex_lock(&wl->mutex); |
| 3086 | |
| 3087 | ret = wl1271_ps_elp_wakeup(wl); |
| 3088 | if (ret < 0) |
| 3089 | goto out; |
| 3090 | |
| 3091 | wl1271_scan_sched_scan_stop(wl); |
| 3092 | |
| 3093 | wl1271_ps_elp_sleep(wl); |
| 3094 | out: |
| 3095 | mutex_unlock(&wl->mutex); |
| 3096 | } |
| 3097 | |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3098 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
| 3099 | { |
| 3100 | struct wl1271 *wl = hw->priv; |
| 3101 | int ret = 0; |
| 3102 | |
| 3103 | mutex_lock(&wl->mutex); |
| 3104 | |
| 3105 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 3106 | ret = -EAGAIN; |
| 3107 | goto out; |
| 3108 | } |
| 3109 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3110 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3111 | if (ret < 0) |
| 3112 | goto out; |
| 3113 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 3114 | ret = wl1271_acx_frag_threshold(wl, value); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3115 | if (ret < 0) |
| 3116 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); |
| 3117 | |
| 3118 | wl1271_ps_elp_sleep(wl); |
| 3119 | |
| 3120 | out: |
| 3121 | mutex_unlock(&wl->mutex); |
| 3122 | |
| 3123 | return ret; |
| 3124 | } |
| 3125 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3126 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 3127 | { |
| 3128 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3129 | struct ieee80211_vif *vif = wl->vif; |
| 3130 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3131 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3132 | |
| 3133 | mutex_lock(&wl->mutex); |
| 3134 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3135 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 3136 | ret = -EAGAIN; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3137 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3138 | } |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 3139 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3140 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3141 | if (ret < 0) |
| 3142 | goto out; |
| 3143 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3144 | ret = wl1271_acx_rts_threshold(wl, wlvif, value); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3145 | if (ret < 0) |
| 3146 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); |
| 3147 | |
| 3148 | wl1271_ps_elp_sleep(wl); |
| 3149 | |
| 3150 | out: |
| 3151 | mutex_unlock(&wl->mutex); |
| 3152 | |
| 3153 | return ret; |
| 3154 | } |
| 3155 | |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3156 | static int wl1271_ssid_set(struct ieee80211_vif *vif, struct sk_buff *skb, |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3157 | int offset) |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3158 | { |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3159 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 3160 | u8 ssid_len; |
| 3161 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, |
| 3162 | skb->len - offset); |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3163 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 3164 | if (!ptr) { |
| 3165 | wl1271_error("No SSID in IEs!"); |
| 3166 | return -ENOENT; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3167 | } |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3168 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 3169 | ssid_len = ptr[1]; |
| 3170 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 3171 | wl1271_error("SSID is too long!"); |
| 3172 | return -EINVAL; |
| 3173 | } |
| 3174 | |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3175 | wlvif->ssid_len = ssid_len; |
| 3176 | memcpy(wlvif->ssid, ptr+2, ssid_len); |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 3177 | return 0; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3178 | } |
| 3179 | |
Eliad Peller | d48055d | 2011-09-15 12:07:04 +0300 | [diff] [blame] | 3180 | static void wl12xx_remove_ie(struct sk_buff *skb, u8 eid, int ieoffset) |
| 3181 | { |
| 3182 | int len; |
| 3183 | const u8 *next, *end = skb->data + skb->len; |
| 3184 | u8 *ie = (u8 *)cfg80211_find_ie(eid, skb->data + ieoffset, |
| 3185 | skb->len - ieoffset); |
| 3186 | if (!ie) |
| 3187 | return; |
| 3188 | len = ie[1] + 2; |
| 3189 | next = ie + len; |
| 3190 | memmove(ie, next, end - next); |
| 3191 | skb_trim(skb, skb->len - len); |
| 3192 | } |
| 3193 | |
Eliad Peller | 26b4bf2 | 2011-09-15 12:07:05 +0300 | [diff] [blame] | 3194 | static void wl12xx_remove_vendor_ie(struct sk_buff *skb, |
| 3195 | unsigned int oui, u8 oui_type, |
| 3196 | int ieoffset) |
| 3197 | { |
| 3198 | int len; |
| 3199 | const u8 *next, *end = skb->data + skb->len; |
| 3200 | u8 *ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type, |
| 3201 | skb->data + ieoffset, |
| 3202 | skb->len - ieoffset); |
| 3203 | if (!ie) |
| 3204 | return; |
| 3205 | len = ie[1] + 2; |
| 3206 | next = ie + len; |
| 3207 | memmove(ie, next, end - next); |
| 3208 | skb_trim(skb, skb->len - len); |
| 3209 | } |
| 3210 | |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3211 | static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3212 | struct ieee80211_vif *vif, |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3213 | u8 *probe_rsp_data, |
| 3214 | size_t probe_rsp_len, |
| 3215 | u32 rates) |
| 3216 | { |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3217 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 3218 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3219 | u8 probe_rsp_templ[WL1271_CMD_TEMPL_MAX_SIZE]; |
| 3220 | int ssid_ie_offset, ie_offset, templ_len; |
| 3221 | const u8 *ptr; |
| 3222 | |
| 3223 | /* no need to change probe response if the SSID is set correctly */ |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3224 | if (wlvif->ssid_len > 0) |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3225 | return wl1271_cmd_template_set(wl, |
| 3226 | CMD_TEMPL_AP_PROBE_RESPONSE, |
| 3227 | probe_rsp_data, |
| 3228 | probe_rsp_len, 0, |
| 3229 | rates); |
| 3230 | |
| 3231 | if (probe_rsp_len + bss_conf->ssid_len > WL1271_CMD_TEMPL_MAX_SIZE) { |
| 3232 | wl1271_error("probe_rsp template too big"); |
| 3233 | return -EINVAL; |
| 3234 | } |
| 3235 | |
| 3236 | /* start searching from IE offset */ |
| 3237 | ie_offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); |
| 3238 | |
| 3239 | ptr = cfg80211_find_ie(WLAN_EID_SSID, probe_rsp_data + ie_offset, |
| 3240 | probe_rsp_len - ie_offset); |
| 3241 | if (!ptr) { |
| 3242 | wl1271_error("No SSID in beacon!"); |
| 3243 | return -EINVAL; |
| 3244 | } |
| 3245 | |
| 3246 | ssid_ie_offset = ptr - probe_rsp_data; |
| 3247 | ptr += (ptr[1] + 2); |
| 3248 | |
| 3249 | memcpy(probe_rsp_templ, probe_rsp_data, ssid_ie_offset); |
| 3250 | |
| 3251 | /* insert SSID from bss_conf */ |
| 3252 | probe_rsp_templ[ssid_ie_offset] = WLAN_EID_SSID; |
| 3253 | probe_rsp_templ[ssid_ie_offset + 1] = bss_conf->ssid_len; |
| 3254 | memcpy(probe_rsp_templ + ssid_ie_offset + 2, |
| 3255 | bss_conf->ssid, bss_conf->ssid_len); |
| 3256 | templ_len = ssid_ie_offset + 2 + bss_conf->ssid_len; |
| 3257 | |
| 3258 | memcpy(probe_rsp_templ + ssid_ie_offset + 2 + bss_conf->ssid_len, |
| 3259 | ptr, probe_rsp_len - (ptr - probe_rsp_data)); |
| 3260 | templ_len += probe_rsp_len - (ptr - probe_rsp_data); |
| 3261 | |
| 3262 | return wl1271_cmd_template_set(wl, |
| 3263 | CMD_TEMPL_AP_PROBE_RESPONSE, |
| 3264 | probe_rsp_templ, |
| 3265 | templ_len, 0, |
| 3266 | rates); |
| 3267 | } |
| 3268 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3269 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3270 | struct ieee80211_vif *vif, |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3271 | struct ieee80211_bss_conf *bss_conf, |
| 3272 | u32 changed) |
| 3273 | { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3274 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3275 | int ret = 0; |
| 3276 | |
| 3277 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 3278 | if (bss_conf->use_short_slot) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3279 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_SHORT); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3280 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3281 | ret = wl1271_acx_slot(wl, wlvif, SLOT_TIME_LONG); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3282 | if (ret < 0) { |
| 3283 | wl1271_warning("Set slot time failed %d", ret); |
| 3284 | goto out; |
| 3285 | } |
| 3286 | } |
| 3287 | |
| 3288 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 3289 | if (bss_conf->use_short_preamble) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3290 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_SHORT); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3291 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3292 | wl1271_acx_set_preamble(wl, wlvif, ACX_PREAMBLE_LONG); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3293 | } |
| 3294 | |
| 3295 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 3296 | if (bss_conf->use_cts_prot) |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3297 | ret = wl1271_acx_cts_protect(wl, wlvif, |
| 3298 | CTSPROTECT_ENABLE); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3299 | else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3300 | ret = wl1271_acx_cts_protect(wl, wlvif, |
| 3301 | CTSPROTECT_DISABLE); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3302 | if (ret < 0) { |
| 3303 | wl1271_warning("Set ctsprotect failed %d", ret); |
| 3304 | goto out; |
| 3305 | } |
| 3306 | } |
| 3307 | |
| 3308 | out: |
| 3309 | return ret; |
| 3310 | } |
| 3311 | |
| 3312 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
| 3313 | struct ieee80211_vif *vif, |
| 3314 | struct ieee80211_bss_conf *bss_conf, |
| 3315 | u32 changed) |
| 3316 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3317 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3318 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3319 | int ret = 0; |
| 3320 | |
| 3321 | if ((changed & BSS_CHANGED_BEACON_INT)) { |
| 3322 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
| 3323 | bss_conf->beacon_int); |
| 3324 | |
Eliad Peller | 6a89979 | 2011-10-05 11:55:58 +0200 | [diff] [blame] | 3325 | wlvif->beacon_int = bss_conf->beacon_int; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3326 | } |
| 3327 | |
| 3328 | if ((changed & BSS_CHANGED_BEACON)) { |
| 3329 | struct ieee80211_hdr *hdr; |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3330 | u32 min_rate; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3331 | int ieoffset = offsetof(struct ieee80211_mgmt, |
| 3332 | u.beacon.variable); |
| 3333 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
| 3334 | u16 tmpl_id; |
| 3335 | |
| 3336 | if (!beacon) |
| 3337 | goto out; |
| 3338 | |
| 3339 | wl1271_debug(DEBUG_MASTER, "beacon updated"); |
| 3340 | |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3341 | ret = wl1271_ssid_set(vif, beacon, ieoffset); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3342 | if (ret < 0) { |
| 3343 | dev_kfree_skb(beacon); |
| 3344 | goto out; |
| 3345 | } |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3346 | min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3347 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : |
| 3348 | CMD_TEMPL_BEACON; |
| 3349 | ret = wl1271_cmd_template_set(wl, tmpl_id, |
| 3350 | beacon->data, |
| 3351 | beacon->len, 0, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3352 | min_rate); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3353 | if (ret < 0) { |
| 3354 | dev_kfree_skb(beacon); |
| 3355 | goto out; |
| 3356 | } |
| 3357 | |
Eliad Peller | d48055d | 2011-09-15 12:07:04 +0300 | [diff] [blame] | 3358 | /* remove TIM ie from probe response */ |
| 3359 | wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); |
| 3360 | |
Eliad Peller | 26b4bf2 | 2011-09-15 12:07:05 +0300 | [diff] [blame] | 3361 | /* |
| 3362 | * remove p2p ie from probe response. |
| 3363 | * the fw reponds to probe requests that don't include |
| 3364 | * the p2p ie. probe requests with p2p ie will be passed, |
| 3365 | * and will be responded by the supplicant (the spec |
| 3366 | * forbids including the p2p ie when responding to probe |
| 3367 | * requests that didn't include it). |
| 3368 | */ |
| 3369 | wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, |
| 3370 | WLAN_OUI_TYPE_WFA_P2P, ieoffset); |
| 3371 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3372 | hdr = (struct ieee80211_hdr *) beacon->data; |
| 3373 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 3374 | IEEE80211_STYPE_PROBE_RESP); |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3375 | if (is_ap) |
Eliad Peller | 1fe9f16 | 2011-10-05 11:55:48 +0200 | [diff] [blame] | 3376 | ret = wl1271_ap_set_probe_resp_tmpl(wl, vif, |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3377 | beacon->data, |
| 3378 | beacon->len, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3379 | min_rate); |
Arik Nemtsov | 68eaaf6 | 2011-09-03 20:22:03 +0300 | [diff] [blame] | 3380 | else |
| 3381 | ret = wl1271_cmd_template_set(wl, |
| 3382 | CMD_TEMPL_PROBE_RESPONSE, |
| 3383 | beacon->data, |
| 3384 | beacon->len, 0, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3385 | min_rate); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3386 | dev_kfree_skb(beacon); |
| 3387 | if (ret < 0) |
| 3388 | goto out; |
| 3389 | } |
| 3390 | |
| 3391 | out: |
| 3392 | return ret; |
| 3393 | } |
| 3394 | |
| 3395 | /* AP mode changes */ |
| 3396 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3397 | struct ieee80211_vif *vif, |
| 3398 | struct ieee80211_bss_conf *bss_conf, |
| 3399 | u32 changed) |
| 3400 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3401 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3402 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3403 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3404 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
| 3405 | u32 rates = bss_conf->basic_rates; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3406 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3407 | wlvif->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3408 | wl->band); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3409 | wlvif->basic_rate = wl1271_tx_min_rate_get(wl, |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3410 | wlvif->basic_rate_set); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3411 | |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3412 | ret = wl1271_init_ap_rates(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3413 | if (ret < 0) { |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 3414 | wl1271_error("AP rate policy change failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3415 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 3416 | } |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 3417 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 3418 | ret = wl1271_ap_init_templates(wl, vif); |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 3419 | if (ret < 0) |
| 3420 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 3421 | } |
| 3422 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3423 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
| 3424 | if (ret < 0) |
| 3425 | goto out; |
| 3426 | |
| 3427 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
| 3428 | if (bss_conf->enable_beacon) { |
| 3429 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3430 | ret = wl12xx_cmd_role_start_ap(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3431 | if (ret < 0) |
| 3432 | goto out; |
| 3433 | |
Eliad Peller | a8ab39a | 2011-10-05 11:55:54 +0200 | [diff] [blame] | 3434 | ret = wl1271_ap_init_hwenc(wl, wlvif); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 3435 | if (ret < 0) |
| 3436 | goto out; |
Arik Nemtsov | cf42039 | 2011-08-14 13:17:37 +0300 | [diff] [blame] | 3437 | |
| 3438 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 3439 | wl1271_debug(DEBUG_AP, "started AP"); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3440 | } |
| 3441 | } else { |
| 3442 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3443 | ret = wl12xx_cmd_role_stop_ap(wl, wlvif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3444 | if (ret < 0) |
| 3445 | goto out; |
| 3446 | |
| 3447 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 3448 | wl1271_debug(DEBUG_AP, "stopped AP"); |
| 3449 | } |
| 3450 | } |
| 3451 | } |
| 3452 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3453 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3454 | if (ret < 0) |
| 3455 | goto out; |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3456 | |
| 3457 | /* Handle HT information change */ |
| 3458 | if ((changed & BSS_CHANGED_HT) && |
| 3459 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3460 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3461 | bss_conf->ht_operation_mode); |
| 3462 | if (ret < 0) { |
| 3463 | wl1271_warning("Set ht information failed %d", ret); |
| 3464 | goto out; |
| 3465 | } |
| 3466 | } |
| 3467 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3468 | out: |
| 3469 | return; |
| 3470 | } |
| 3471 | |
| 3472 | /* STA/IBSS mode changes */ |
| 3473 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, |
| 3474 | struct ieee80211_vif *vif, |
| 3475 | struct ieee80211_bss_conf *bss_conf, |
| 3476 | u32 changed) |
| 3477 | { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3478 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3479 | bool do_join = false, set_assoc = false; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3480 | bool is_ibss = (wlvif->bss_type == BSS_TYPE_IBSS); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3481 | bool ibss_joined = false; |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3482 | u32 sta_rate_set = 0; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3483 | int ret; |
Luciano Coelho | 2d6e4e76 | 2011-01-11 19:07:21 +0100 | [diff] [blame] | 3484 | struct ieee80211_sta *sta; |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3485 | bool sta_exists = false; |
| 3486 | struct ieee80211_sta_ht_cap sta_ht_cap; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3487 | |
| 3488 | if (is_ibss) { |
| 3489 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, |
| 3490 | changed); |
| 3491 | if (ret < 0) |
| 3492 | goto out; |
| 3493 | } |
| 3494 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3495 | if (changed & BSS_CHANGED_IBSS) { |
| 3496 | if (bss_conf->ibss_joined) { |
Eliad Peller | eee514e | 2011-10-10 10:13:01 +0200 | [diff] [blame^] | 3497 | set_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3498 | ibss_joined = true; |
| 3499 | } else { |
Eliad Peller | eee514e | 2011-10-10 10:13:01 +0200 | [diff] [blame^] | 3500 | if (test_and_clear_bit(WLVIF_FLAG_IBSS_JOINED, |
| 3501 | &wlvif->flags)) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3502 | wl1271_unjoin(wl, wlvif); |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 3503 | wl12xx_cmd_role_start_dev(wl, wlvif); |
| 3504 | wl12xx_roc(wl, wlvif->dev_role_id); |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3505 | } |
| 3506 | } |
| 3507 | } |
| 3508 | |
| 3509 | if ((changed & BSS_CHANGED_BEACON_INT) && ibss_joined) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3510 | do_join = true; |
| 3511 | |
| 3512 | /* Need to update the SSID (for filtering etc) */ |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3513 | if ((changed & BSS_CHANGED_BEACON) && ibss_joined) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3514 | do_join = true; |
| 3515 | |
Eliad Peller | 227e81e | 2011-08-14 13:17:26 +0300 | [diff] [blame] | 3516 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && ibss_joined) { |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 3517 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
| 3518 | bss_conf->enable_beacon ? "enabled" : "disabled"); |
| 3519 | |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 3520 | do_join = true; |
| 3521 | } |
| 3522 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3523 | if ((changed & BSS_CHANGED_CQM)) { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 3524 | bool enable = false; |
| 3525 | if (bss_conf->cqm_rssi_thold) |
| 3526 | enable = true; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3527 | ret = wl1271_acx_rssi_snr_trigger(wl, wlvif, enable, |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 3528 | bss_conf->cqm_rssi_thold, |
| 3529 | bss_conf->cqm_rssi_hyst); |
| 3530 | if (ret < 0) |
| 3531 | goto out; |
Eliad Peller | 04324d9 | 2011-10-05 11:56:03 +0200 | [diff] [blame] | 3532 | wlvif->rssi_thold = bss_conf->cqm_rssi_thold; |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 3533 | } |
| 3534 | |
Eliad Peller | cdf0949 | 2011-10-05 11:55:44 +0200 | [diff] [blame] | 3535 | if (changed & BSS_CHANGED_BSSID) |
| 3536 | if (!is_zero_ether_addr(bss_conf->bssid)) { |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3537 | ret = wl12xx_cmd_build_null_data(wl, wlvif); |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3538 | if (ret < 0) |
| 3539 | goto out; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3540 | |
Eliad Peller | 784f694 | 2011-10-05 11:55:39 +0200 | [diff] [blame] | 3541 | ret = wl1271_build_qos_null_data(wl, vif); |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3542 | if (ret < 0) |
| 3543 | goto out; |
Saravanan Dhanabal | 141418c | 2010-04-28 09:50:00 +0300 | [diff] [blame] | 3544 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3545 | /* Need to update the BSSID (for filtering etc) */ |
| 3546 | do_join = true; |
| 3547 | } |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3548 | |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3549 | if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_HT)) { |
| 3550 | rcu_read_lock(); |
| 3551 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
| 3552 | if (!sta) |
| 3553 | goto sta_not_found; |
| 3554 | |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3555 | /* save the supp_rates of the ap */ |
| 3556 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; |
| 3557 | if (sta->ht_cap.ht_supported) |
| 3558 | sta_rate_set |= |
| 3559 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3560 | sta_ht_cap = sta->ht_cap; |
| 3561 | sta_exists = true; |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3562 | |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3563 | sta_not_found: |
| 3564 | rcu_read_unlock(); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3565 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3566 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3567 | if ((changed & BSS_CHANGED_ASSOC)) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3568 | if (bss_conf->assoc) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3569 | u32 rates; |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3570 | int ieoffset; |
Eliad Peller | 6840e37 | 2011-10-05 11:55:50 +0200 | [diff] [blame] | 3571 | wlvif->aid = bss_conf->aid; |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 3572 | set_assoc = true; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3573 | |
Eliad Peller | 74ec839 | 2011-10-05 11:56:02 +0200 | [diff] [blame] | 3574 | wlvif->ps_poll_failures = 0; |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 3575 | |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3576 | /* |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3577 | * use basic rates from AP, and determine lowest rate |
| 3578 | * to use with control frames. |
| 3579 | */ |
| 3580 | rates = bss_conf->basic_rates; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3581 | wlvif->basic_rate_set = |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3582 | wl1271_tx_enabled_rates_get(wl, rates, |
| 3583 | wl->band); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3584 | wlvif->basic_rate = |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3585 | wl1271_tx_min_rate_get(wl, |
| 3586 | wlvif->basic_rate_set); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3587 | if (sta_rate_set) |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 3588 | wlvif->rate_set = |
| 3589 | wl1271_tx_enabled_rates_get(wl, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3590 | sta_rate_set, |
| 3591 | wl->band); |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 3592 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3593 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3594 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3595 | |
| 3596 | /* |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3597 | * with wl1271, we don't need to update the |
| 3598 | * beacon_int and dtim_period, because the firmware |
| 3599 | * updates it by itself when the first beacon is |
| 3600 | * received after a join. |
| 3601 | */ |
Eliad Peller | 6840e37 | 2011-10-05 11:55:50 +0200 | [diff] [blame] | 3602 | ret = wl1271_cmd_build_ps_poll(wl, wlvif, wlvif->aid); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3603 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3604 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3605 | |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3606 | /* |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3607 | * Get a template for hardware connection maintenance |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3608 | */ |
Eliad Peller | bddb29b | 2011-10-05 11:55:49 +0200 | [diff] [blame] | 3609 | dev_kfree_skb(wlvif->probereq); |
| 3610 | wlvif->probereq = wl1271_cmd_build_ap_probe_req(wl, |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 3611 | wlvif, |
Eliad Peller | bddb29b | 2011-10-05 11:55:49 +0200 | [diff] [blame] | 3612 | NULL); |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3613 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 3614 | u.probe_req.variable); |
Eliad Peller | bddb29b | 2011-10-05 11:55:49 +0200 | [diff] [blame] | 3615 | wl1271_ssid_set(vif, wlvif->probereq, ieoffset); |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3616 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3617 | /* enable the connection monitoring feature */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3618 | ret = wl1271_acx_conn_monit_params(wl, wlvif, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3619 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3620 | goto out; |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 3621 | } else { |
| 3622 | /* use defaults when not associated */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3623 | bool was_assoc = |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 3624 | !!test_and_clear_bit(WLVIF_FLAG_STA_ASSOCIATED, |
| 3625 | &wlvif->flags); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3626 | bool was_ifup = |
| 3627 | !!test_and_clear_bit(WL1271_FLAG_STA_STATE_SENT, |
| 3628 | &wl->flags); |
Eliad Peller | 6840e37 | 2011-10-05 11:55:50 +0200 | [diff] [blame] | 3629 | wlvif->aid = 0; |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3630 | |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3631 | /* free probe-request template */ |
Eliad Peller | bddb29b | 2011-10-05 11:55:49 +0200 | [diff] [blame] | 3632 | dev_kfree_skb(wlvif->probereq); |
| 3633 | wlvif->probereq = NULL; |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3634 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3635 | /* re-enable dynamic ps - just in case */ |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 3636 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3637 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3638 | /* revert back to minimum rates for the current band */ |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3639 | wl1271_set_band_rate(wl, wlvif); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3640 | wlvif->basic_rate = |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3641 | wl1271_tx_min_rate_get(wl, |
| 3642 | wlvif->basic_rate_set); |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 3643 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3644 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3645 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3646 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3647 | /* disable connection monitor features */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3648 | ret = wl1271_acx_conn_monit_params(wl, wlvif, false); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3649 | |
| 3650 | /* Disable the keep-alive feature */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3651 | ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3652 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3653 | goto out; |
Juuso Oikarinen | b84a7d3 | 2010-11-22 12:59:08 +0200 | [diff] [blame] | 3654 | |
| 3655 | /* restore the bssid filter and go to dummy bssid */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3656 | if (was_assoc) { |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3657 | u32 conf_flags = wl->hw->conf.flags; |
| 3658 | /* |
| 3659 | * we might have to disable roc, if there was |
| 3660 | * no IF_OPER_UP notification. |
| 3661 | */ |
| 3662 | if (!was_ifup) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3663 | ret = wl12xx_croc(wl, wlvif->role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3664 | if (ret < 0) |
| 3665 | goto out; |
| 3666 | } |
| 3667 | /* |
| 3668 | * (we also need to disable roc in case of |
| 3669 | * roaming on the same channel. until we will |
| 3670 | * have a better flow...) |
| 3671 | */ |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 3672 | if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
| 3673 | ret = wl12xx_croc(wl, |
| 3674 | wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3675 | if (ret < 0) |
| 3676 | goto out; |
| 3677 | } |
| 3678 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3679 | wl1271_unjoin(wl, wlvif); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3680 | if (!(conf_flags & IEEE80211_CONF_IDLE)) { |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 3681 | wl12xx_cmd_role_start_dev(wl, wlvif); |
| 3682 | wl12xx_roc(wl, wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3683 | } |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3684 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3685 | } |
| 3686 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 3687 | |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 3688 | if (changed & BSS_CHANGED_IBSS) { |
| 3689 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", |
| 3690 | bss_conf->ibss_joined); |
| 3691 | |
| 3692 | if (bss_conf->ibss_joined) { |
| 3693 | u32 rates = bss_conf->basic_rates; |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3694 | wlvif->basic_rate_set = |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 3695 | wl1271_tx_enabled_rates_get(wl, rates, |
| 3696 | wl->band); |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3697 | wlvif->basic_rate = |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3698 | wl1271_tx_min_rate_get(wl, |
| 3699 | wlvif->basic_rate_set); |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 3700 | |
Shahar Levi | 06b660e | 2011-09-05 13:54:36 +0300 | [diff] [blame] | 3701 | /* by default, use 11b + OFDM rates */ |
Eliad Peller | 30d0c8f | 2011-10-05 11:55:42 +0200 | [diff] [blame] | 3702 | wlvif->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
| 3703 | ret = wl1271_acx_sta_rate_policies(wl, wlvif); |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 3704 | if (ret < 0) |
| 3705 | goto out; |
| 3706 | } |
| 3707 | } |
| 3708 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3709 | ret = wl1271_bss_erp_info_changed(wl, vif, bss_conf, changed); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3710 | if (ret < 0) |
| 3711 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3712 | |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3713 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 3714 | __be32 addr = bss_conf->arp_addr_list[0]; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3715 | WARN_ON(wlvif->bss_type != BSS_TYPE_STA_BSS); |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3716 | |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3717 | if (bss_conf->arp_addr_cnt == 1 && |
| 3718 | bss_conf->arp_filter_enabled) { |
| 3719 | /* |
| 3720 | * The template should have been configured only upon |
| 3721 | * association. however, it seems that the correct ip |
| 3722 | * isn't being set (when sending), so we have to |
| 3723 | * reconfigure the template upon every ip change. |
| 3724 | */ |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3725 | ret = wl1271_cmd_build_arp_rsp(wl, wlvif, addr); |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3726 | if (ret < 0) { |
| 3727 | wl1271_warning("build arp rsp failed: %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3728 | goto out; |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3729 | } |
| 3730 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3731 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, |
Eliad Peller | e5e2f24 | 2011-01-24 19:19:03 +0100 | [diff] [blame] | 3732 | ACX_ARP_FILTER_ARP_FILTERING, |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3733 | addr); |
| 3734 | } else |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3735 | ret = wl1271_acx_arp_ip_filter(wl, wlvif, 0, addr); |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3736 | |
| 3737 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3738 | goto out; |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3739 | } |
| 3740 | |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3741 | if (do_join) { |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 3742 | ret = wl1271_join(wl, wlvif, set_assoc); |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3743 | if (ret < 0) { |
| 3744 | wl1271_warning("cmd join failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3745 | goto out; |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3746 | } |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3747 | |
| 3748 | /* ROC until connected (after EAPOL exchange) */ |
| 3749 | if (!is_ibss) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3750 | ret = wl12xx_roc(wl, wlvif->role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3751 | if (ret < 0) |
| 3752 | goto out; |
| 3753 | |
Eliad Peller | ba8447f | 2011-10-10 10:13:00 +0200 | [diff] [blame] | 3754 | wl1271_check_operstate(wl, wlvif, |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3755 | ieee80211_get_operstate(vif)); |
| 3756 | } |
| 3757 | /* |
| 3758 | * stop device role if started (we might already be in |
| 3759 | * STA role). TODO: make it better. |
| 3760 | */ |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 3761 | if (wlvif->dev_role_id != WL12XX_INVALID_ROLE_ID) { |
| 3762 | ret = wl12xx_croc(wl, wlvif->dev_role_id); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3763 | if (ret < 0) |
| 3764 | goto out; |
| 3765 | |
Eliad Peller | 7edebf5 | 2011-10-05 11:55:52 +0200 | [diff] [blame] | 3766 | ret = wl12xx_cmd_role_stop_dev(wl, wlvif); |
Eliad Peller | 251c177 | 2011-08-14 13:17:17 +0300 | [diff] [blame] | 3767 | if (ret < 0) |
| 3768 | goto out; |
| 3769 | } |
Eliad Peller | 05dba35 | 2011-08-23 16:37:01 +0300 | [diff] [blame] | 3770 | |
| 3771 | /* If we want to go in PSM but we're not there yet */ |
| 3772 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
| 3773 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
| 3774 | enum wl1271_cmd_ps_mode mode; |
| 3775 | |
| 3776 | mode = STATION_POWER_SAVE_MODE; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3777 | ret = wl1271_ps_set_mode(wl, wlvif, mode, |
Eliad Peller | d2d66c5 | 2011-10-05 11:55:43 +0200 | [diff] [blame] | 3778 | wlvif->basic_rate, |
Eliad Peller | 05dba35 | 2011-08-23 16:37:01 +0300 | [diff] [blame] | 3779 | true); |
| 3780 | if (ret < 0) |
| 3781 | goto out; |
| 3782 | } |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3783 | } |
| 3784 | |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3785 | /* Handle new association with HT. Do this after join. */ |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3786 | if (sta_exists) { |
| 3787 | if ((changed & BSS_CHANGED_HT) && |
| 3788 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3789 | ret = wl1271_acx_set_ht_capabilities(wl, |
| 3790 | &sta_ht_cap, |
| 3791 | true, |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 3792 | wlvif->sta.hlid); |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3793 | if (ret < 0) { |
| 3794 | wl1271_warning("Set ht cap true failed %d", |
| 3795 | ret); |
| 3796 | goto out; |
| 3797 | } |
| 3798 | } |
| 3799 | /* handle new association without HT and disassociation */ |
| 3800 | else if (changed & BSS_CHANGED_ASSOC) { |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3801 | ret = wl1271_acx_set_ht_capabilities(wl, |
| 3802 | &sta_ht_cap, |
| 3803 | false, |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 3804 | wlvif->sta.hlid); |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3805 | if (ret < 0) { |
| 3806 | wl1271_warning("Set ht cap false failed %d", |
| 3807 | ret); |
| 3808 | goto out; |
| 3809 | } |
| 3810 | } |
| 3811 | } |
| 3812 | |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 3813 | /* Handle HT information change. Done after join. */ |
| 3814 | if ((changed & BSS_CHANGED_HT) && |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3815 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3816 | ret = wl1271_acx_set_ht_information(wl, wlvif, |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 3817 | bss_conf->ht_operation_mode); |
| 3818 | if (ret < 0) { |
| 3819 | wl1271_warning("Set ht information failed %d", ret); |
| 3820 | goto out; |
| 3821 | } |
| 3822 | } |
| 3823 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3824 | out: |
| 3825 | return; |
| 3826 | } |
| 3827 | |
| 3828 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
| 3829 | struct ieee80211_vif *vif, |
| 3830 | struct ieee80211_bss_conf *bss_conf, |
| 3831 | u32 changed) |
| 3832 | { |
| 3833 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 3834 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| 3835 | bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3836 | int ret; |
| 3837 | |
| 3838 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", |
| 3839 | (int)changed); |
| 3840 | |
| 3841 | mutex_lock(&wl->mutex); |
| 3842 | |
| 3843 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3844 | goto out; |
| 3845 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3846 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3847 | if (ret < 0) |
| 3848 | goto out; |
| 3849 | |
| 3850 | if (is_ap) |
| 3851 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); |
| 3852 | else |
| 3853 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); |
| 3854 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3855 | wl1271_ps_elp_sleep(wl); |
| 3856 | |
| 3857 | out: |
| 3858 | mutex_unlock(&wl->mutex); |
| 3859 | } |
| 3860 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 3861 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, |
| 3862 | struct ieee80211_vif *vif, u16 queue, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3863 | const struct ieee80211_tx_queue_params *params) |
| 3864 | { |
| 3865 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3866 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3867 | u8 ps_scheme; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3868 | int ret = 0; |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3869 | |
| 3870 | mutex_lock(&wl->mutex); |
| 3871 | |
| 3872 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 3873 | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3874 | if (params->uapsd) |
| 3875 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; |
| 3876 | else |
| 3877 | ps_scheme = CONF_PS_SCHEME_LEGACY; |
| 3878 | |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3879 | if (wl->state == WL1271_STATE_OFF) { |
| 3880 | /* |
| 3881 | * If the state is off, the parameters will be recorded and |
| 3882 | * configured on init. This happens in AP-mode. |
| 3883 | */ |
| 3884 | struct conf_tx_ac_category *conf_ac = |
| 3885 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; |
| 3886 | struct conf_tx_tid *conf_tid = |
| 3887 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; |
| 3888 | |
| 3889 | conf_ac->ac = wl1271_tx_get_queue(queue); |
| 3890 | conf_ac->cw_min = (u8)params->cw_min; |
| 3891 | conf_ac->cw_max = params->cw_max; |
| 3892 | conf_ac->aifsn = params->aifs; |
| 3893 | conf_ac->tx_op_limit = params->txop << 5; |
| 3894 | |
| 3895 | conf_tid->queue_id = wl1271_tx_get_queue(queue); |
| 3896 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; |
| 3897 | conf_tid->tsid = wl1271_tx_get_queue(queue); |
| 3898 | conf_tid->ps_scheme = ps_scheme; |
| 3899 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; |
| 3900 | conf_tid->apsd_conf[0] = 0; |
| 3901 | conf_tid->apsd_conf[1] = 0; |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3902 | goto out; |
| 3903 | } |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3904 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3905 | ret = wl1271_ps_elp_wakeup(wl); |
| 3906 | if (ret < 0) |
| 3907 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3908 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3909 | /* |
| 3910 | * the txop is confed in units of 32us by the mac80211, |
| 3911 | * we need us |
| 3912 | */ |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3913 | ret = wl1271_acx_ac_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3914 | params->cw_min, params->cw_max, |
| 3915 | params->aifs, params->txop << 5); |
| 3916 | if (ret < 0) |
| 3917 | goto out_sleep; |
| 3918 | |
Eliad Peller | 0603d89 | 2011-10-05 11:55:51 +0200 | [diff] [blame] | 3919 | ret = wl1271_acx_tid_cfg(wl, wlvif, wl1271_tx_get_queue(queue), |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3920 | CONF_CHANNEL_TYPE_EDCF, |
| 3921 | wl1271_tx_get_queue(queue), |
| 3922 | ps_scheme, CONF_ACK_POLICY_LEGACY, |
| 3923 | 0, 0); |
Kalle Valo | c82c1dd | 2010-02-18 13:25:47 +0200 | [diff] [blame] | 3924 | |
| 3925 | out_sleep: |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3926 | wl1271_ps_elp_sleep(wl); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3927 | |
| 3928 | out: |
| 3929 | mutex_unlock(&wl->mutex); |
| 3930 | |
| 3931 | return ret; |
| 3932 | } |
| 3933 | |
Eliad Peller | 37a41b4 | 2011-09-21 14:06:11 +0300 | [diff] [blame] | 3934 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw, |
| 3935 | struct ieee80211_vif *vif) |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3936 | { |
| 3937 | |
| 3938 | struct wl1271 *wl = hw->priv; |
| 3939 | u64 mactime = ULLONG_MAX; |
| 3940 | int ret; |
| 3941 | |
| 3942 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); |
| 3943 | |
| 3944 | mutex_lock(&wl->mutex); |
| 3945 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3946 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3947 | goto out; |
| 3948 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3949 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3950 | if (ret < 0) |
| 3951 | goto out; |
| 3952 | |
| 3953 | ret = wl1271_acx_tsf_info(wl, &mactime); |
| 3954 | if (ret < 0) |
| 3955 | goto out_sleep; |
| 3956 | |
| 3957 | out_sleep: |
| 3958 | wl1271_ps_elp_sleep(wl); |
| 3959 | |
| 3960 | out: |
| 3961 | mutex_unlock(&wl->mutex); |
| 3962 | return mactime; |
| 3963 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3964 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3965 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 3966 | struct survey_info *survey) |
| 3967 | { |
| 3968 | struct wl1271 *wl = hw->priv; |
| 3969 | struct ieee80211_conf *conf = &hw->conf; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3970 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3971 | if (idx != 0) |
| 3972 | return -ENOENT; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3973 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3974 | survey->channel = conf->channel; |
| 3975 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 3976 | survey->noise = wl->noise; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3977 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3978 | return 0; |
| 3979 | } |
| 3980 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3981 | static int wl1271_allocate_sta(struct wl1271 *wl, |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 3982 | struct wl12xx_vif *wlvif, |
| 3983 | struct ieee80211_sta *sta) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3984 | { |
| 3985 | struct wl1271_station *wl_sta; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 3986 | int ret; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3987 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 3988 | |
| 3989 | if (wl->active_sta_count >= AP_MAX_STATIONS) { |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3990 | wl1271_warning("could not allocate HLID - too much stations"); |
| 3991 | return -EBUSY; |
| 3992 | } |
| 3993 | |
| 3994 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 3995 | ret = wl12xx_allocate_link(wl, wlvif, &wl_sta->hlid); |
| 3996 | if (ret < 0) { |
| 3997 | wl1271_warning("could not allocate HLID - too many links"); |
| 3998 | return -EBUSY; |
| 3999 | } |
| 4000 | |
| 4001 | set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4002 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 4003 | wl->active_sta_count++; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4004 | return 0; |
| 4005 | } |
| 4006 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4007 | void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4008 | { |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4009 | if (!test_bit(hlid, wlvif->ap.sta_hlid_map)) |
Arik Nemtsov | f1acea9 | 2011-08-25 12:43:17 +0300 | [diff] [blame] | 4010 | return; |
| 4011 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4012 | clear_bit(hlid, wlvif->ap.sta_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4013 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4014 | wl->links[hlid].ba_bitmap = 0; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4015 | wl1271_tx_reset_link_queues(wl, hlid); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4016 | __clear_bit(hlid, &wl->ap_ps_map); |
| 4017 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4018 | wl12xx_free_link(wl, wlvif, &hlid); |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 4019 | wl->active_sta_count--; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4020 | } |
| 4021 | |
| 4022 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, |
| 4023 | struct ieee80211_vif *vif, |
| 4024 | struct ieee80211_sta *sta) |
| 4025 | { |
| 4026 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4027 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4028 | struct wl1271_station *wl_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4029 | int ret = 0; |
| 4030 | u8 hlid; |
| 4031 | |
| 4032 | mutex_lock(&wl->mutex); |
| 4033 | |
| 4034 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 4035 | goto out; |
| 4036 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4037 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4038 | goto out; |
| 4039 | |
| 4040 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
| 4041 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4042 | ret = wl1271_allocate_sta(wl, wlvif, sta); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4043 | if (ret < 0) |
| 4044 | goto out; |
| 4045 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4046 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 4047 | hlid = wl_sta->hlid; |
| 4048 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4049 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4050 | if (ret < 0) |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 4051 | goto out_free_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4052 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 4053 | ret = wl12xx_cmd_add_peer(wl, sta, hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4054 | if (ret < 0) |
| 4055 | goto out_sleep; |
| 4056 | |
Eliad Peller | b67476e | 2011-08-14 13:17:23 +0300 | [diff] [blame] | 4057 | ret = wl12xx_cmd_set_peer_state(wl, hlid); |
| 4058 | if (ret < 0) |
| 4059 | goto out_sleep; |
| 4060 | |
Arik Nemtsov | 0b932ab | 2011-08-14 13:17:27 +0300 | [diff] [blame] | 4061 | ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true, hlid); |
| 4062 | if (ret < 0) |
| 4063 | goto out_sleep; |
| 4064 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4065 | out_sleep: |
| 4066 | wl1271_ps_elp_sleep(wl); |
| 4067 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 4068 | out_free_sta: |
| 4069 | if (ret < 0) |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4070 | wl1271_free_sta(wl, wlvif, hlid); |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 4071 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4072 | out: |
| 4073 | mutex_unlock(&wl->mutex); |
| 4074 | return ret; |
| 4075 | } |
| 4076 | |
| 4077 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, |
| 4078 | struct ieee80211_vif *vif, |
| 4079 | struct ieee80211_sta *sta) |
| 4080 | { |
| 4081 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4082 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4083 | struct wl1271_station *wl_sta; |
| 4084 | int ret = 0, id; |
| 4085 | |
| 4086 | mutex_lock(&wl->mutex); |
| 4087 | |
| 4088 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 4089 | goto out; |
| 4090 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4091 | if (wlvif->bss_type != BSS_TYPE_AP_BSS) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4092 | goto out; |
| 4093 | |
| 4094 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
| 4095 | |
| 4096 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4097 | id = wl_sta->hlid; |
| 4098 | if (WARN_ON(!test_bit(id, wlvif->ap.sta_hlid_map))) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4099 | goto out; |
| 4100 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4101 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4102 | if (ret < 0) |
| 4103 | goto out; |
| 4104 | |
Eliad Peller | c690ec8 | 2011-08-14 13:17:07 +0300 | [diff] [blame] | 4105 | ret = wl12xx_cmd_remove_peer(wl, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4106 | if (ret < 0) |
| 4107 | goto out_sleep; |
| 4108 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4109 | wl1271_free_sta(wl, wlvif, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4110 | |
| 4111 | out_sleep: |
| 4112 | wl1271_ps_elp_sleep(wl); |
| 4113 | |
| 4114 | out: |
| 4115 | mutex_unlock(&wl->mutex); |
| 4116 | return ret; |
| 4117 | } |
| 4118 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 4119 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
| 4120 | struct ieee80211_vif *vif, |
| 4121 | enum ieee80211_ampdu_mlme_action action, |
| 4122 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 4123 | u8 buf_size) |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4124 | { |
| 4125 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4126 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4127 | int ret; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4128 | u8 hlid, *ba_bitmap; |
| 4129 | |
| 4130 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu action %d tid %d", action, |
| 4131 | tid); |
| 4132 | |
| 4133 | /* sanity check - the fields in FW are only 8bits wide */ |
| 4134 | if (WARN_ON(tid > 0xFF)) |
| 4135 | return -ENOTSUPP; |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4136 | |
| 4137 | mutex_lock(&wl->mutex); |
| 4138 | |
| 4139 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 4140 | ret = -EAGAIN; |
| 4141 | goto out; |
| 4142 | } |
| 4143 | |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4144 | if (wlvif->bss_type == BSS_TYPE_STA_BSS) { |
Eliad Peller | 154da67 | 2011-10-05 11:55:53 +0200 | [diff] [blame] | 4145 | hlid = wlvif->sta.hlid; |
Eliad Peller | d0802ab | 2011-10-05 11:56:04 +0200 | [diff] [blame] | 4146 | ba_bitmap = &wlvif->sta.ba_rx_bitmap; |
Eliad Peller | 536129c | 2011-10-05 11:55:45 +0200 | [diff] [blame] | 4147 | } else if (wlvif->bss_type == BSS_TYPE_AP_BSS) { |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4148 | struct wl1271_station *wl_sta; |
| 4149 | |
| 4150 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 4151 | hlid = wl_sta->hlid; |
| 4152 | ba_bitmap = &wl->links[hlid].ba_bitmap; |
| 4153 | } else { |
| 4154 | ret = -EINVAL; |
| 4155 | goto out; |
| 4156 | } |
| 4157 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4158 | ret = wl1271_ps_elp_wakeup(wl); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4159 | if (ret < 0) |
| 4160 | goto out; |
| 4161 | |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 4162 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
| 4163 | tid, action); |
| 4164 | |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4165 | switch (action) { |
| 4166 | case IEEE80211_AMPDU_RX_START: |
Eliad Peller | d0802ab | 2011-10-05 11:56:04 +0200 | [diff] [blame] | 4167 | if (!wlvif->ba_support || !wlvif->ba_allowed) { |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4168 | ret = -ENOTSUPP; |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4169 | break; |
| 4170 | } |
| 4171 | |
| 4172 | if (wl->ba_rx_session_count >= RX_BA_MAX_SESSIONS) { |
| 4173 | ret = -EBUSY; |
| 4174 | wl1271_error("exceeded max RX BA sessions"); |
| 4175 | break; |
| 4176 | } |
| 4177 | |
| 4178 | if (*ba_bitmap & BIT(tid)) { |
| 4179 | ret = -EINVAL; |
| 4180 | wl1271_error("cannot enable RX BA session on active " |
| 4181 | "tid: %d", tid); |
| 4182 | break; |
| 4183 | } |
| 4184 | |
| 4185 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, *ssn, true, |
| 4186 | hlid); |
| 4187 | if (!ret) { |
| 4188 | *ba_bitmap |= BIT(tid); |
| 4189 | wl->ba_rx_session_count++; |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4190 | } |
| 4191 | break; |
| 4192 | |
| 4193 | case IEEE80211_AMPDU_RX_STOP: |
Arik Nemtsov | 0f9c825 | 2011-08-17 10:45:49 +0300 | [diff] [blame] | 4194 | if (!(*ba_bitmap & BIT(tid))) { |
| 4195 | ret = -EINVAL; |
| 4196 | wl1271_error("no active RX BA session on tid: %d", |
| 4197 | tid); |
| 4198 | break; |
| 4199 | } |
| 4200 | |
| 4201 | ret = wl12xx_acx_set_ba_receiver_session(wl, tid, 0, false, |
| 4202 | hlid); |
| 4203 | if (!ret) { |
| 4204 | *ba_bitmap &= ~BIT(tid); |
| 4205 | wl->ba_rx_session_count--; |
| 4206 | } |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4207 | break; |
| 4208 | |
| 4209 | /* |
| 4210 | * The BA initiator session management in FW independently. |
| 4211 | * Falling break here on purpose for all TX APDU commands. |
| 4212 | */ |
| 4213 | case IEEE80211_AMPDU_TX_START: |
| 4214 | case IEEE80211_AMPDU_TX_STOP: |
| 4215 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 4216 | ret = -EINVAL; |
| 4217 | break; |
| 4218 | |
| 4219 | default: |
| 4220 | wl1271_error("Incorrect ampdu action id=%x\n", action); |
| 4221 | ret = -EINVAL; |
| 4222 | } |
| 4223 | |
| 4224 | wl1271_ps_elp_sleep(wl); |
| 4225 | |
| 4226 | out: |
| 4227 | mutex_unlock(&wl->mutex); |
| 4228 | |
| 4229 | return ret; |
| 4230 | } |
| 4231 | |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 4232 | static int wl12xx_set_bitrate_mask(struct ieee80211_hw *hw, |
| 4233 | struct ieee80211_vif *vif, |
| 4234 | const struct cfg80211_bitrate_mask *mask) |
| 4235 | { |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 4236 | struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 4237 | struct wl1271 *wl = hw->priv; |
| 4238 | int i; |
| 4239 | |
| 4240 | wl1271_debug(DEBUG_MAC80211, "mac80211 set_bitrate_mask 0x%x 0x%x", |
| 4241 | mask->control[NL80211_BAND_2GHZ].legacy, |
| 4242 | mask->control[NL80211_BAND_5GHZ].legacy); |
| 4243 | |
| 4244 | mutex_lock(&wl->mutex); |
| 4245 | |
| 4246 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
Eliad Peller | 8358750 | 2011-10-10 10:12:53 +0200 | [diff] [blame] | 4247 | wlvif->bitrate_masks[i] = |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 4248 | wl1271_tx_enabled_rates_get(wl, |
| 4249 | mask->control[i].legacy, |
| 4250 | i); |
| 4251 | mutex_unlock(&wl->mutex); |
| 4252 | |
| 4253 | return 0; |
| 4254 | } |
| 4255 | |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 4256 | static void wl12xx_op_channel_switch(struct ieee80211_hw *hw, |
| 4257 | struct ieee80211_channel_switch *ch_switch) |
| 4258 | { |
| 4259 | struct wl1271 *wl = hw->priv; |
| 4260 | int ret; |
| 4261 | |
| 4262 | wl1271_debug(DEBUG_MAC80211, "mac80211 channel switch"); |
| 4263 | |
| 4264 | mutex_lock(&wl->mutex); |
| 4265 | |
| 4266 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 4267 | mutex_unlock(&wl->mutex); |
| 4268 | ieee80211_chswitch_done(wl->vif, false); |
| 4269 | return; |
| 4270 | } |
| 4271 | |
| 4272 | ret = wl1271_ps_elp_wakeup(wl); |
| 4273 | if (ret < 0) |
| 4274 | goto out; |
| 4275 | |
| 4276 | ret = wl12xx_cmd_channel_switch(wl, ch_switch); |
| 4277 | |
| 4278 | if (!ret) |
| 4279 | set_bit(WL1271_FLAG_CS_PROGRESS, &wl->flags); |
| 4280 | |
| 4281 | wl1271_ps_elp_sleep(wl); |
| 4282 | |
| 4283 | out: |
| 4284 | mutex_unlock(&wl->mutex); |
| 4285 | } |
| 4286 | |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 4287 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
| 4288 | { |
| 4289 | struct wl1271 *wl = hw->priv; |
| 4290 | bool ret = false; |
| 4291 | |
| 4292 | mutex_lock(&wl->mutex); |
| 4293 | |
| 4294 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 4295 | goto out; |
| 4296 | |
| 4297 | /* packets are considered pending if in the TX queue or the FW */ |
Arik Nemtsov | f1a4638 | 2011-07-07 14:25:23 +0300 | [diff] [blame] | 4298 | 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] | 4299 | out: |
| 4300 | mutex_unlock(&wl->mutex); |
| 4301 | |
| 4302 | return ret; |
| 4303 | } |
| 4304 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4305 | /* can't be const, mac80211 writes to this */ |
| 4306 | static struct ieee80211_rate wl1271_rates[] = { |
| 4307 | { .bitrate = 10, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4308 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
| 4309 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4310 | { .bitrate = 20, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4311 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
| 4312 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4313 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 4314 | { .bitrate = 55, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4315 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
| 4316 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4317 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 4318 | { .bitrate = 110, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4319 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
| 4320 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4321 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 4322 | { .bitrate = 60, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4323 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 4324 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4325 | { .bitrate = 90, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4326 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 4327 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4328 | { .bitrate = 120, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4329 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 4330 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4331 | { .bitrate = 180, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4332 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 4333 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4334 | { .bitrate = 240, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4335 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 4336 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4337 | { .bitrate = 360, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4338 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 4339 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4340 | { .bitrate = 480, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4341 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 4342 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4343 | { .bitrate = 540, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 4344 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 4345 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4346 | }; |
| 4347 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 4348 | /* can't be const, mac80211 writes to this */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4349 | static struct ieee80211_channel wl1271_channels[] = { |
Luciano Coelho | a2d0e3f | 2009-12-11 15:40:46 +0200 | [diff] [blame] | 4350 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 4351 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 4352 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
| 4353 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, |
| 4354 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 4355 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 4356 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
| 4357 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, |
| 4358 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 4359 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 4360 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
| 4361 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, |
| 4362 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, |
Arik Nemtsov | 6c89b7b | 2011-01-18 20:39:52 +0100 | [diff] [blame] | 4363 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4364 | }; |
| 4365 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4366 | /* mapping to indexes for wl1271_rates */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 4367 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4368 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 4369 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 4370 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 4371 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 4372 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 4373 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 4374 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 4375 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 4376 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4377 | |
| 4378 | 11, /* CONF_HW_RXTX_RATE_54 */ |
| 4379 | 10, /* CONF_HW_RXTX_RATE_48 */ |
| 4380 | 9, /* CONF_HW_RXTX_RATE_36 */ |
| 4381 | 8, /* CONF_HW_RXTX_RATE_24 */ |
| 4382 | |
| 4383 | /* TI-specific rate */ |
| 4384 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 4385 | |
| 4386 | 7, /* CONF_HW_RXTX_RATE_18 */ |
| 4387 | 6, /* CONF_HW_RXTX_RATE_12 */ |
| 4388 | 3, /* CONF_HW_RXTX_RATE_11 */ |
| 4389 | 5, /* CONF_HW_RXTX_RATE_9 */ |
| 4390 | 4, /* CONF_HW_RXTX_RATE_6 */ |
| 4391 | 2, /* CONF_HW_RXTX_RATE_5_5 */ |
| 4392 | 1, /* CONF_HW_RXTX_RATE_2 */ |
| 4393 | 0 /* CONF_HW_RXTX_RATE_1 */ |
| 4394 | }; |
| 4395 | |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 4396 | /* 11n STA capabilities */ |
| 4397 | #define HW_RX_HIGHEST_RATE 72 |
| 4398 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 4399 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 871d0c3 | 2011-03-13 11:24:40 +0200 | [diff] [blame] | 4400 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
| 4401 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 4402 | .ht_supported = true, \ |
| 4403 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ |
| 4404 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ |
| 4405 | .mcs = { \ |
| 4406 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ |
| 4407 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ |
| 4408 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ |
| 4409 | }, \ |
| 4410 | } |
| 4411 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4412 | /* can't be const, mac80211 writes to this */ |
| 4413 | static struct ieee80211_supported_band wl1271_band_2ghz = { |
| 4414 | .channels = wl1271_channels, |
| 4415 | .n_channels = ARRAY_SIZE(wl1271_channels), |
| 4416 | .bitrates = wl1271_rates, |
| 4417 | .n_bitrates = ARRAY_SIZE(wl1271_rates), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 4418 | .ht_cap = WL12XX_HT_CAP, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4419 | }; |
| 4420 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4421 | /* 5 GHz data rates for WL1273 */ |
| 4422 | static struct ieee80211_rate wl1271_rates_5ghz[] = { |
| 4423 | { .bitrate = 60, |
| 4424 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 4425 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 4426 | { .bitrate = 90, |
| 4427 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 4428 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
| 4429 | { .bitrate = 120, |
| 4430 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 4431 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
| 4432 | { .bitrate = 180, |
| 4433 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 4434 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
| 4435 | { .bitrate = 240, |
| 4436 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 4437 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
| 4438 | { .bitrate = 360, |
| 4439 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 4440 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
| 4441 | { .bitrate = 480, |
| 4442 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 4443 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
| 4444 | { .bitrate = 540, |
| 4445 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 4446 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
| 4447 | }; |
| 4448 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 4449 | /* 5 GHz band channels for WL1273 */ |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4450 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
Arik Nemtsov | 6cfa5cf | 2011-06-27 22:06:33 +0300 | [diff] [blame] | 4451 | { .hw_value = 7, .center_freq = 5035, .max_power = 25 }, |
| 4452 | { .hw_value = 8, .center_freq = 5040, .max_power = 25 }, |
| 4453 | { .hw_value = 9, .center_freq = 5045, .max_power = 25 }, |
| 4454 | { .hw_value = 11, .center_freq = 5055, .max_power = 25 }, |
| 4455 | { .hw_value = 12, .center_freq = 5060, .max_power = 25 }, |
| 4456 | { .hw_value = 16, .center_freq = 5080, .max_power = 25 }, |
| 4457 | { .hw_value = 34, .center_freq = 5170, .max_power = 25 }, |
| 4458 | { .hw_value = 36, .center_freq = 5180, .max_power = 25 }, |
| 4459 | { .hw_value = 38, .center_freq = 5190, .max_power = 25 }, |
| 4460 | { .hw_value = 40, .center_freq = 5200, .max_power = 25 }, |
| 4461 | { .hw_value = 42, .center_freq = 5210, .max_power = 25 }, |
| 4462 | { .hw_value = 44, .center_freq = 5220, .max_power = 25 }, |
| 4463 | { .hw_value = 46, .center_freq = 5230, .max_power = 25 }, |
| 4464 | { .hw_value = 48, .center_freq = 5240, .max_power = 25 }, |
| 4465 | { .hw_value = 52, .center_freq = 5260, .max_power = 25 }, |
| 4466 | { .hw_value = 56, .center_freq = 5280, .max_power = 25 }, |
| 4467 | { .hw_value = 60, .center_freq = 5300, .max_power = 25 }, |
| 4468 | { .hw_value = 64, .center_freq = 5320, .max_power = 25 }, |
| 4469 | { .hw_value = 100, .center_freq = 5500, .max_power = 25 }, |
| 4470 | { .hw_value = 104, .center_freq = 5520, .max_power = 25 }, |
| 4471 | { .hw_value = 108, .center_freq = 5540, .max_power = 25 }, |
| 4472 | { .hw_value = 112, .center_freq = 5560, .max_power = 25 }, |
| 4473 | { .hw_value = 116, .center_freq = 5580, .max_power = 25 }, |
| 4474 | { .hw_value = 120, .center_freq = 5600, .max_power = 25 }, |
| 4475 | { .hw_value = 124, .center_freq = 5620, .max_power = 25 }, |
| 4476 | { .hw_value = 128, .center_freq = 5640, .max_power = 25 }, |
| 4477 | { .hw_value = 132, .center_freq = 5660, .max_power = 25 }, |
| 4478 | { .hw_value = 136, .center_freq = 5680, .max_power = 25 }, |
| 4479 | { .hw_value = 140, .center_freq = 5700, .max_power = 25 }, |
| 4480 | { .hw_value = 149, .center_freq = 5745, .max_power = 25 }, |
| 4481 | { .hw_value = 153, .center_freq = 5765, .max_power = 25 }, |
| 4482 | { .hw_value = 157, .center_freq = 5785, .max_power = 25 }, |
| 4483 | { .hw_value = 161, .center_freq = 5805, .max_power = 25 }, |
| 4484 | { .hw_value = 165, .center_freq = 5825, .max_power = 25 }, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4485 | }; |
| 4486 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4487 | /* mapping to indexes for wl1271_rates_5ghz */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 4488 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4489 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 4490 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 4491 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 4492 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 4493 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 4494 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 4495 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 4496 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 4497 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4498 | |
| 4499 | 7, /* CONF_HW_RXTX_RATE_54 */ |
| 4500 | 6, /* CONF_HW_RXTX_RATE_48 */ |
| 4501 | 5, /* CONF_HW_RXTX_RATE_36 */ |
| 4502 | 4, /* CONF_HW_RXTX_RATE_24 */ |
| 4503 | |
| 4504 | /* TI-specific rate */ |
| 4505 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 4506 | |
| 4507 | 3, /* CONF_HW_RXTX_RATE_18 */ |
| 4508 | 2, /* CONF_HW_RXTX_RATE_12 */ |
| 4509 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ |
| 4510 | 1, /* CONF_HW_RXTX_RATE_9 */ |
| 4511 | 0, /* CONF_HW_RXTX_RATE_6 */ |
| 4512 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ |
| 4513 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ |
| 4514 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ |
| 4515 | }; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4516 | |
| 4517 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
| 4518 | .channels = wl1271_channels_5ghz, |
| 4519 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), |
| 4520 | .bitrates = wl1271_rates_5ghz, |
| 4521 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 4522 | .ht_cap = WL12XX_HT_CAP, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4523 | }; |
| 4524 | |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 4525 | static const u8 *wl1271_band_rate_to_idx[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4526 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
| 4527 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz |
| 4528 | }; |
| 4529 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4530 | static const struct ieee80211_ops wl1271_ops = { |
| 4531 | .start = wl1271_op_start, |
| 4532 | .stop = wl1271_op_stop, |
| 4533 | .add_interface = wl1271_op_add_interface, |
| 4534 | .remove_interface = wl1271_op_remove_interface, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 4535 | #ifdef CONFIG_PM |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 4536 | .suspend = wl1271_op_suspend, |
| 4537 | .resume = wl1271_op_resume, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 4538 | #endif |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4539 | .config = wl1271_op_config, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 4540 | .prepare_multicast = wl1271_op_prepare_multicast, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4541 | .configure_filter = wl1271_op_configure_filter, |
| 4542 | .tx = wl1271_op_tx, |
| 4543 | .set_key = wl1271_op_set_key, |
| 4544 | .hw_scan = wl1271_op_hw_scan, |
Eliad Peller | 73ecce3 | 2011-06-27 13:06:45 +0300 | [diff] [blame] | 4545 | .cancel_hw_scan = wl1271_op_cancel_hw_scan, |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 4546 | .sched_scan_start = wl1271_op_sched_scan_start, |
| 4547 | .sched_scan_stop = wl1271_op_sched_scan_stop, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4548 | .bss_info_changed = wl1271_op_bss_info_changed, |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 4549 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4550 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 4551 | .conf_tx = wl1271_op_conf_tx, |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 4552 | .get_tsf = wl1271_op_get_tsf, |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 4553 | .get_survey = wl1271_op_get_survey, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4554 | .sta_add = wl1271_op_sta_add, |
| 4555 | .sta_remove = wl1271_op_sta_remove, |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 4556 | .ampdu_action = wl1271_op_ampdu_action, |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 4557 | .tx_frames_pending = wl1271_tx_frames_pending, |
Eliad Peller | af7fbb2 | 2011-09-19 13:51:42 +0300 | [diff] [blame] | 4558 | .set_bitrate_mask = wl12xx_set_bitrate_mask, |
Shahar Levi | 6d158ff | 2011-09-08 13:01:33 +0300 | [diff] [blame] | 4559 | .channel_switch = wl12xx_op_channel_switch, |
Kalle Valo | c8c9087 | 2010-02-18 13:25:53 +0200 | [diff] [blame] | 4560 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4561 | }; |
| 4562 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4563 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 4564 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4565 | { |
| 4566 | u8 idx; |
| 4567 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 4568 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4569 | |
| 4570 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { |
| 4571 | wl1271_error("Illegal RX rate from HW: %d", rate); |
| 4572 | return 0; |
| 4573 | } |
| 4574 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 4575 | idx = wl1271_band_rate_to_idx[band][rate]; |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 4576 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
| 4577 | wl1271_error("Unsupported RX rate from HW: %d", rate); |
| 4578 | return 0; |
| 4579 | } |
| 4580 | |
| 4581 | return idx; |
| 4582 | } |
| 4583 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4584 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
| 4585 | struct device_attribute *attr, |
| 4586 | char *buf) |
| 4587 | { |
| 4588 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4589 | ssize_t len; |
| 4590 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 4591 | len = PAGE_SIZE; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4592 | |
| 4593 | mutex_lock(&wl->mutex); |
| 4594 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", |
| 4595 | wl->sg_enabled); |
| 4596 | mutex_unlock(&wl->mutex); |
| 4597 | |
| 4598 | return len; |
| 4599 | |
| 4600 | } |
| 4601 | |
| 4602 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, |
| 4603 | struct device_attribute *attr, |
| 4604 | const char *buf, size_t count) |
| 4605 | { |
| 4606 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4607 | unsigned long res; |
| 4608 | int ret; |
| 4609 | |
Luciano Coelho | 6277ed6 | 2011-04-01 17:49:54 +0300 | [diff] [blame] | 4610 | ret = kstrtoul(buf, 10, &res); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4611 | if (ret < 0) { |
| 4612 | wl1271_warning("incorrect value written to bt_coex_mode"); |
| 4613 | return count; |
| 4614 | } |
| 4615 | |
| 4616 | mutex_lock(&wl->mutex); |
| 4617 | |
| 4618 | res = !!res; |
| 4619 | |
| 4620 | if (res == wl->sg_enabled) |
| 4621 | goto out; |
| 4622 | |
| 4623 | wl->sg_enabled = res; |
| 4624 | |
| 4625 | if (wl->state == WL1271_STATE_OFF) |
| 4626 | goto out; |
| 4627 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4628 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4629 | if (ret < 0) |
| 4630 | goto out; |
| 4631 | |
| 4632 | wl1271_acx_sg_enable(wl, wl->sg_enabled); |
| 4633 | wl1271_ps_elp_sleep(wl); |
| 4634 | |
| 4635 | out: |
| 4636 | mutex_unlock(&wl->mutex); |
| 4637 | return count; |
| 4638 | } |
| 4639 | |
| 4640 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, |
| 4641 | wl1271_sysfs_show_bt_coex_state, |
| 4642 | wl1271_sysfs_store_bt_coex_state); |
| 4643 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4644 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
| 4645 | struct device_attribute *attr, |
| 4646 | char *buf) |
| 4647 | { |
| 4648 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4649 | ssize_t len; |
| 4650 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 4651 | len = PAGE_SIZE; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4652 | |
| 4653 | mutex_lock(&wl->mutex); |
| 4654 | if (wl->hw_pg_ver >= 0) |
| 4655 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); |
| 4656 | else |
| 4657 | len = snprintf(buf, len, "n/a\n"); |
| 4658 | mutex_unlock(&wl->mutex); |
| 4659 | |
| 4660 | return len; |
| 4661 | } |
| 4662 | |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 4663 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO, |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4664 | wl1271_sysfs_show_hw_pg_ver, NULL); |
| 4665 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4666 | static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, |
| 4667 | struct bin_attribute *bin_attr, |
| 4668 | char *buffer, loff_t pos, size_t count) |
| 4669 | { |
| 4670 | struct device *dev = container_of(kobj, struct device, kobj); |
| 4671 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 4672 | ssize_t len; |
| 4673 | int ret; |
| 4674 | |
| 4675 | ret = mutex_lock_interruptible(&wl->mutex); |
| 4676 | if (ret < 0) |
| 4677 | return -ERESTARTSYS; |
| 4678 | |
| 4679 | /* Let only one thread read the log at a time, blocking others */ |
| 4680 | while (wl->fwlog_size == 0) { |
| 4681 | DEFINE_WAIT(wait); |
| 4682 | |
| 4683 | prepare_to_wait_exclusive(&wl->fwlog_waitq, |
| 4684 | &wait, |
| 4685 | TASK_INTERRUPTIBLE); |
| 4686 | |
| 4687 | if (wl->fwlog_size != 0) { |
| 4688 | finish_wait(&wl->fwlog_waitq, &wait); |
| 4689 | break; |
| 4690 | } |
| 4691 | |
| 4692 | mutex_unlock(&wl->mutex); |
| 4693 | |
| 4694 | schedule(); |
| 4695 | finish_wait(&wl->fwlog_waitq, &wait); |
| 4696 | |
| 4697 | if (signal_pending(current)) |
| 4698 | return -ERESTARTSYS; |
| 4699 | |
| 4700 | ret = mutex_lock_interruptible(&wl->mutex); |
| 4701 | if (ret < 0) |
| 4702 | return -ERESTARTSYS; |
| 4703 | } |
| 4704 | |
| 4705 | /* Check if the fwlog is still valid */ |
| 4706 | if (wl->fwlog_size < 0) { |
| 4707 | mutex_unlock(&wl->mutex); |
| 4708 | return 0; |
| 4709 | } |
| 4710 | |
| 4711 | /* Seeking is not supported - old logs are not kept. Disregard pos. */ |
| 4712 | len = min(count, (size_t)wl->fwlog_size); |
| 4713 | wl->fwlog_size -= len; |
| 4714 | memcpy(buffer, wl->fwlog, len); |
| 4715 | |
| 4716 | /* Make room for new messages */ |
| 4717 | memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size); |
| 4718 | |
| 4719 | mutex_unlock(&wl->mutex); |
| 4720 | |
| 4721 | return len; |
| 4722 | } |
| 4723 | |
| 4724 | static struct bin_attribute fwlog_attr = { |
| 4725 | .attr = {.name = "fwlog", .mode = S_IRUSR}, |
| 4726 | .read = wl1271_sysfs_read_fwlog, |
| 4727 | }; |
| 4728 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4729 | int wl1271_register_hw(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4730 | { |
| 4731 | int ret; |
| 4732 | |
| 4733 | if (wl->mac80211_registered) |
| 4734 | return 0; |
| 4735 | |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 4736 | ret = wl1271_fetch_nvs(wl); |
| 4737 | if (ret == 0) { |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 4738 | /* NOTE: The wl->nvs->nvs element must be first, in |
| 4739 | * order to simplify the casting, we assume it is at |
| 4740 | * the beginning of the wl->nvs structure. |
| 4741 | */ |
| 4742 | u8 *nvs_ptr = (u8 *)wl->nvs; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 4743 | |
| 4744 | wl->mac_addr[0] = nvs_ptr[11]; |
| 4745 | wl->mac_addr[1] = nvs_ptr[10]; |
| 4746 | wl->mac_addr[2] = nvs_ptr[6]; |
| 4747 | wl->mac_addr[3] = nvs_ptr[5]; |
| 4748 | wl->mac_addr[4] = nvs_ptr[4]; |
| 4749 | wl->mac_addr[5] = nvs_ptr[3]; |
| 4750 | } |
| 4751 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4752 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 4753 | |
| 4754 | ret = ieee80211_register_hw(wl->hw); |
| 4755 | if (ret < 0) { |
| 4756 | wl1271_error("unable to register mac80211 hw: %d", ret); |
| 4757 | return ret; |
| 4758 | } |
| 4759 | |
| 4760 | wl->mac80211_registered = true; |
| 4761 | |
Eliad Peller | d60080a | 2010-11-24 12:53:16 +0200 | [diff] [blame] | 4762 | wl1271_debugfs_init(wl); |
| 4763 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 4764 | register_netdevice_notifier(&wl1271_dev_notifier); |
| 4765 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4766 | wl1271_notice("loaded"); |
| 4767 | |
| 4768 | return 0; |
| 4769 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4770 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4771 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4772 | void wl1271_unregister_hw(struct wl1271 *wl) |
| 4773 | { |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 4774 | if (wl->state == WL1271_STATE_PLT) |
| 4775 | __wl1271_plt_stop(wl); |
| 4776 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 4777 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4778 | ieee80211_unregister_hw(wl->hw); |
| 4779 | wl->mac80211_registered = false; |
| 4780 | |
| 4781 | } |
| 4782 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); |
| 4783 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4784 | int wl1271_init_ieee80211(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4785 | { |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4786 | static const u32 cipher_suites[] = { |
| 4787 | WLAN_CIPHER_SUITE_WEP40, |
| 4788 | WLAN_CIPHER_SUITE_WEP104, |
| 4789 | WLAN_CIPHER_SUITE_TKIP, |
| 4790 | WLAN_CIPHER_SUITE_CCMP, |
| 4791 | WL1271_CIPHER_SUITE_GEM, |
| 4792 | }; |
| 4793 | |
Juuso Oikarinen | 1e2b797 | 2009-10-08 21:56:20 +0300 | [diff] [blame] | 4794 | /* The tx descriptor buffer and the TKIP space. */ |
| 4795 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + |
| 4796 | sizeof(struct wl1271_tx_hw_descr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4797 | |
| 4798 | /* unit us */ |
| 4799 | /* FIXME: find a proper value */ |
| 4800 | wl->hw->channel_change_time = 10000; |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 4801 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4802 | |
| 4803 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 03442a3 | 2009-11-23 23:22:14 +0200 | [diff] [blame] | 4804 | IEEE80211_HW_BEACON_FILTER | |
Juuso Oikarinen | 0a34332 | 2010-02-22 08:38:41 +0200 | [diff] [blame] | 4805 | IEEE80211_HW_SUPPORTS_PS | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 4806 | IEEE80211_HW_SUPPORTS_UAPSD | |
Juuso Oikarinen | a9af092 | 2010-03-26 12:53:30 +0200 | [diff] [blame] | 4807 | IEEE80211_HW_HAS_RATE_CONTROL | |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4808 | IEEE80211_HW_CONNECTION_MONITOR | |
Eliad Peller | 62c0740 | 2011-02-02 11:20:05 +0200 | [diff] [blame] | 4809 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
Luciano Coelho | 25eaea30 | 2011-05-02 12:37:33 +0300 | [diff] [blame] | 4810 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Shahar Levi | fcd23b6 | 2011-05-11 12:12:56 +0300 | [diff] [blame] | 4811 | IEEE80211_HW_SPECTRUM_MGMT | |
Arik Nemtsov | 93f8c8e | 2011-08-30 09:34:01 +0300 | [diff] [blame] | 4812 | IEEE80211_HW_AP_LINK_PS | |
| 4813 | IEEE80211_HW_AMPDU_AGGREGATION | |
| 4814 | IEEE80211_HW_TX_AMPDU_SETUP_IN_HW; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4815 | |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4816 | wl->hw->wiphy->cipher_suites = cipher_suites; |
| 4817 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 4818 | |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 4819 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Eliad Peller | 045c745 | 2011-08-28 15:23:01 +0300 | [diff] [blame] | 4820 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | |
| 4821 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4822 | wl->hw->wiphy->max_scan_ssids = 1; |
Luciano Coelho | 221737d | 2011-09-02 14:28:22 +0300 | [diff] [blame] | 4823 | wl->hw->wiphy->max_sched_scan_ssids = 16; |
| 4824 | wl->hw->wiphy->max_match_sets = 16; |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 4825 | /* |
| 4826 | * Maximum length of elements in scanning probe request templates |
| 4827 | * should be the maximum length possible for a template, without |
| 4828 | * the IEEE80211 header of the template |
| 4829 | */ |
Eliad Peller | 154037d | 2011-08-14 13:17:12 +0300 | [diff] [blame] | 4830 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 4831 | sizeof(struct ieee80211_header); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4832 | |
Luciano Coelho | c9e79a4 | 2011-09-27 16:22:35 +0300 | [diff] [blame] | 4833 | wl->hw->wiphy->max_sched_scan_ie_len = WL1271_CMD_TEMPL_DFLT_SIZE - |
| 4834 | sizeof(struct ieee80211_header); |
| 4835 | |
Eliad Peller | 1ec23f7 | 2011-08-25 14:26:54 +0300 | [diff] [blame] | 4836 | wl->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; |
| 4837 | |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 4838 | /* make sure all our channels fit in the scanned_ch bitmask */ |
| 4839 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + |
| 4840 | ARRAY_SIZE(wl1271_channels_5ghz) > |
| 4841 | WL1271_MAX_CHANNELS); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4842 | /* |
| 4843 | * We keep local copies of the band structs because we need to |
| 4844 | * modify them on a per-device basis. |
| 4845 | */ |
| 4846 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, |
| 4847 | sizeof(wl1271_band_2ghz)); |
| 4848 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
| 4849 | sizeof(wl1271_band_5ghz)); |
| 4850 | |
| 4851 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 4852 | &wl->bands[IEEE80211_BAND_2GHZ]; |
| 4853 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 4854 | &wl->bands[IEEE80211_BAND_5GHZ]; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4855 | |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4856 | wl->hw->queues = 4; |
Juuso Oikarinen | 31627dc | 2010-03-26 12:53:12 +0200 | [diff] [blame] | 4857 | wl->hw->max_rates = 1; |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4858 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 4859 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
| 4860 | |
Teemu Paasikivi | 8197b71 | 2010-02-22 08:38:23 +0200 | [diff] [blame] | 4861 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4862 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4863 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
Eliad Peller | 87fbcb0 | 2011-10-05 11:55:41 +0200 | [diff] [blame] | 4864 | wl->hw->vif_data_size = sizeof(struct wl12xx_vif); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4865 | |
Luciano Coelho | 4c9cfa7 | 2011-01-12 14:27:03 +0100 | [diff] [blame] | 4866 | wl->hw->max_rx_aggregation_subframes = 8; |
| 4867 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4868 | return 0; |
| 4869 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4870 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4871 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4872 | #define WL1271_DEFAULT_CHANNEL 0 |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4873 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4874 | struct ieee80211_hw *wl1271_alloc_hw(void) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4875 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4876 | struct ieee80211_hw *hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4877 | struct platform_device *plat_dev = NULL; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4878 | struct wl1271 *wl; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4879 | int i, j, ret; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4880 | unsigned int order; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4881 | |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4882 | BUILD_BUG_ON(AP_MAX_STATIONS > WL12XX_MAX_LINKS); |
Arik Nemtsov | f80c2d1 | 2011-09-22 09:52:05 +0300 | [diff] [blame] | 4883 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4884 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
| 4885 | if (!hw) { |
| 4886 | wl1271_error("could not alloc ieee80211_hw"); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4887 | ret = -ENOMEM; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4888 | goto err_hw_alloc; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4889 | } |
| 4890 | |
Julia Lawall | 929ebd3 | 2010-05-15 23:16:39 +0200 | [diff] [blame] | 4891 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4892 | if (!plat_dev) { |
| 4893 | wl1271_error("could not allocate platform_device"); |
| 4894 | ret = -ENOMEM; |
| 4895 | goto err_plat_alloc; |
| 4896 | } |
| 4897 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4898 | wl = hw->priv; |
| 4899 | memset(wl, 0, sizeof(*wl)); |
| 4900 | |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 4901 | INIT_LIST_HEAD(&wl->list); |
Eliad Peller | 8762721 | 2011-10-10 10:12:54 +0200 | [diff] [blame] | 4902 | INIT_LIST_HEAD(&wl->wlvif_list); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 4903 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4904 | wl->hw = hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4905 | wl->plat_dev = plat_dev; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4906 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 4907 | for (i = 0; i < NUM_TX_QUEUES; i++) |
Eliad Peller | c7ffb90 | 2011-10-05 11:56:05 +0200 | [diff] [blame] | 4908 | for (j = 0; j < WL12XX_MAX_LINKS; j++) |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4909 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
| 4910 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4911 | skb_queue_head_init(&wl->deferred_rx_queue); |
| 4912 | skb_queue_head_init(&wl->deferred_tx_queue); |
| 4913 | |
Juuso Oikarinen | 37b70a8 | 2009-10-08 21:56:21 +0300 | [diff] [blame] | 4914 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4915 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
Juuso Oikarinen | 117b38d | 2010-09-30 10:43:28 +0200 | [diff] [blame] | 4916 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
| 4917 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); |
| 4918 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 4919 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4920 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
| 4921 | if (!wl->freezable_wq) { |
| 4922 | ret = -ENOMEM; |
| 4923 | goto err_hw; |
| 4924 | } |
| 4925 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4926 | wl->channel = WL1271_DEFAULT_CHANNEL; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4927 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4928 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 4929 | wl->band = IEEE80211_BAND_2GHZ; |
Juuso Oikarinen | b771eee | 2009-10-08 21:56:34 +0300 | [diff] [blame] | 4930 | wl->vif = NULL; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 4931 | wl->flags = 0; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4932 | wl->sg_enabled = true; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4933 | wl->hw_pg_ver = -1; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4934 | wl->ap_ps_map = 0; |
| 4935 | wl->ap_fw_ps_map = 0; |
Ido Yariv | 606ea9f | 2011-03-01 15:14:39 +0200 | [diff] [blame] | 4936 | wl->quirks = 0; |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 4937 | wl->platform_quirks = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 4938 | wl->sched_scanning = false; |
Guy Eilam | e9eb8cb | 2011-08-16 19:49:12 +0300 | [diff] [blame] | 4939 | wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 4940 | wl->system_hlid = WL12XX_SYSTEM_HLID; |
Arik Nemtsov | da03209 | 2011-08-25 12:43:15 +0300 | [diff] [blame] | 4941 | wl->active_sta_count = 0; |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4942 | wl->fwlog_size = 0; |
| 4943 | init_waitqueue_head(&wl->fwlog_waitq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4944 | |
Eliad Peller | f4df1bd | 2011-08-14 13:17:15 +0300 | [diff] [blame] | 4945 | /* The system link is always allocated */ |
| 4946 | __set_bit(WL12XX_SYSTEM_HLID, wl->links_map); |
| 4947 | |
Ido Yariv | 25eeb9e | 2010-10-12 16:20:06 +0200 | [diff] [blame] | 4948 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
Juuso Oikarinen | be7078c | 2009-10-08 21:56:26 +0300 | [diff] [blame] | 4949 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4950 | wl->tx_frames[i] = NULL; |
| 4951 | |
| 4952 | spin_lock_init(&wl->wl_lock); |
| 4953 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4954 | wl->state = WL1271_STATE_OFF; |
| 4955 | mutex_init(&wl->mutex); |
| 4956 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4957 | /* Apply default driver configuration. */ |
| 4958 | wl1271_conf_init(wl); |
| 4959 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4960 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
| 4961 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
| 4962 | if (!wl->aggr_buf) { |
| 4963 | ret = -ENOMEM; |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4964 | goto err_wq; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4965 | } |
| 4966 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4967 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
| 4968 | if (!wl->dummy_packet) { |
| 4969 | ret = -ENOMEM; |
| 4970 | goto err_aggr; |
| 4971 | } |
| 4972 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4973 | /* Allocate one page for the FW log */ |
| 4974 | wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); |
| 4975 | if (!wl->fwlog) { |
| 4976 | ret = -ENOMEM; |
| 4977 | goto err_dummy_packet; |
| 4978 | } |
| 4979 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4980 | /* Register platform device */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4981 | ret = platform_device_register(wl->plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4982 | if (ret) { |
| 4983 | wl1271_error("couldn't register platform device"); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 4984 | goto err_fwlog; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4985 | } |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4986 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4987 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4988 | /* Create sysfs file to control bt coex state */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4989 | 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] | 4990 | if (ret < 0) { |
| 4991 | wl1271_error("failed to create sysfs file bt_coex_state"); |
| 4992 | goto err_platform; |
| 4993 | } |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4994 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4995 | /* Create sysfs file to get HW PG version */ |
| 4996 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 4997 | if (ret < 0) { |
| 4998 | wl1271_error("failed to create sysfs file hw_pg_ver"); |
| 4999 | goto err_bt_coex_state; |
| 5000 | } |
| 5001 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5002 | /* Create sysfs file for the FW log */ |
| 5003 | ret = device_create_bin_file(&wl->plat_dev->dev, &fwlog_attr); |
| 5004 | if (ret < 0) { |
| 5005 | wl1271_error("failed to create sysfs file fwlog"); |
| 5006 | goto err_hw_pg_ver; |
| 5007 | } |
| 5008 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5009 | return hw; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 5010 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5011 | err_hw_pg_ver: |
| 5012 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 5013 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 5014 | err_bt_coex_state: |
| 5015 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
| 5016 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 5017 | err_platform: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5018 | platform_device_unregister(wl->plat_dev); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 5019 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5020 | err_fwlog: |
| 5021 | free_page((unsigned long)wl->fwlog); |
| 5022 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 5023 | err_dummy_packet: |
| 5024 | dev_kfree_skb(wl->dummy_packet); |
| 5025 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5026 | err_aggr: |
| 5027 | free_pages((unsigned long)wl->aggr_buf, order); |
| 5028 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 5029 | err_wq: |
| 5030 | destroy_workqueue(wl->freezable_wq); |
| 5031 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 5032 | err_hw: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5033 | wl1271_debugfs_exit(wl); |
| 5034 | kfree(plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 5035 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5036 | err_plat_alloc: |
| 5037 | ieee80211_free_hw(hw); |
| 5038 | |
| 5039 | err_hw_alloc: |
| 5040 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 5041 | return ERR_PTR(ret); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5042 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 5043 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5044 | |
| 5045 | int wl1271_free_hw(struct wl1271 *wl) |
| 5046 | { |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5047 | /* Unblock any fwlog readers */ |
| 5048 | mutex_lock(&wl->mutex); |
| 5049 | wl->fwlog_size = -1; |
| 5050 | wake_up_interruptible_all(&wl->fwlog_waitq); |
| 5051 | mutex_unlock(&wl->mutex); |
| 5052 | |
| 5053 | device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr); |
Gery Kahn | 6f07b72 | 2011-07-18 14:21:49 +0300 | [diff] [blame] | 5054 | |
| 5055 | device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 5056 | |
| 5057 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5058 | platform_device_unregister(wl->plat_dev); |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5059 | free_page((unsigned long)wl->fwlog); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 5060 | dev_kfree_skb(wl->dummy_packet); |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 5061 | free_pages((unsigned long)wl->aggr_buf, |
| 5062 | get_order(WL1271_AGGR_BUFFER_SIZE)); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 5063 | kfree(wl->plat_dev); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5064 | |
| 5065 | wl1271_debugfs_exit(wl); |
| 5066 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5067 | vfree(wl->fw); |
| 5068 | wl->fw = NULL; |
| 5069 | kfree(wl->nvs); |
| 5070 | wl->nvs = NULL; |
| 5071 | |
| 5072 | kfree(wl->fw_status); |
| 5073 | kfree(wl->tx_res_if); |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 5074 | destroy_workqueue(wl->freezable_wq); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 5075 | |
| 5076 | ieee80211_free_hw(wl->hw); |
| 5077 | |
| 5078 | return 0; |
| 5079 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 5080 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
| 5081 | |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 5082 | u32 wl12xx_debug_level = DEBUG_NONE; |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 5083 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 5084 | 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] | 5085 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
| 5086 | |
Ido Yariv | 95dac04f | 2011-06-06 14:57:06 +0300 | [diff] [blame] | 5087 | module_param_named(fwlog, fwlog_param, charp, 0); |
| 5088 | MODULE_PARM_DESC(keymap, |
| 5089 | "FW logger options: continuous, ondemand, dbgpins or disable"); |
| 5090 | |
Eliad Peller | 2a5bff0 | 2011-08-25 18:10:59 +0300 | [diff] [blame] | 5091 | module_param(bug_on_recovery, bool, S_IRUSR | S_IWUSR); |
| 5092 | MODULE_PARM_DESC(bug_on_recovery, "BUG() on fw recovery"); |
| 5093 | |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 5094 | MODULE_LICENSE("GPL"); |
Luciano Coelho | b1a48ca | 2011-02-22 14:19:28 +0200 | [diff] [blame] | 5095 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 5096 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |