Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of wl1271 |
| 3 | * |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 4 | * Copyright (C) 2008-2010 Nokia Corporation |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 5 | * |
| 6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 25 | #include <linux/firmware.h> |
| 26 | #include <linux/delay.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 27 | #include <linux/spi/spi.h> |
| 28 | #include <linux/crc32.h> |
| 29 | #include <linux/etherdevice.h> |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 30 | #include <linux/vmalloc.h> |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 31 | #include <linux/platform_device.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 33 | #include <linux/wl12xx.h> |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 34 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 35 | #include "wl12xx.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 36 | #include "wl12xx_80211.h" |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 37 | #include "reg.h" |
| 38 | #include "io.h" |
| 39 | #include "event.h" |
| 40 | #include "tx.h" |
| 41 | #include "rx.h" |
| 42 | #include "ps.h" |
| 43 | #include "init.h" |
| 44 | #include "debugfs.h" |
| 45 | #include "cmd.h" |
| 46 | #include "boot.h" |
| 47 | #include "testmode.h" |
| 48 | #include "scan.h" |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 49 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 50 | #define WL1271_BOOT_RETRIES 3 |
| 51 | |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 52 | static struct conf_drv_settings default_conf = { |
| 53 | .sg = { |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 54 | .sta_params = { |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 55 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 56 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 57 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
Luciano Coelho | d9482e2 | 2011-03-21 17:58:32 +0200 | [diff] [blame] | 58 | [CONF_SG_BT_LOAD_RATIO] = 200, |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 59 | [CONF_SG_AUTO_PS_MODE] = 1, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 60 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 61 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 62 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 63 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 64 | [CONF_SG_RATE_ADAPT_THRESH] = 12, |
| 65 | [CONF_SG_RATE_ADAPT_SNR] = 0, |
| 66 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 67 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 30, |
| 68 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 8, |
| 69 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 70 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 50, |
| 71 | /* Note: with UPSD, this should be 4 */ |
| 72 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 8, |
| 73 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 74 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 75 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 20, |
| 76 | /* Note: with UPDS, this should be 15 */ |
| 77 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 78 | /* Note: with UPDS, this should be 50 */ |
| 79 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 40, |
| 80 | /* Note: with UPDS, this should be 10 */ |
| 81 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 20, |
| 82 | [CONF_SG_RXT] = 1200, |
| 83 | [CONF_SG_TXT] = 1000, |
| 84 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 85 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 86 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 87 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 88 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 89 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 90 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 91 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 92 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 93 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 94 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 95 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 96 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 97 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 98 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 99 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 100 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 101 | [CONF_SG_DHCP_TIME] = 5000, |
| 102 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 103 | }, |
Arik Nemtsov | 801f870 | 2011-04-18 14:15:20 +0300 | [diff] [blame] | 104 | .ap_params = { |
| 105 | [CONF_SG_BT_PER_THRESHOLD] = 7500, |
| 106 | [CONF_SG_HV3_MAX_OVERRIDE] = 0, |
| 107 | [CONF_SG_BT_NFS_SAMPLE_INTERVAL] = 400, |
| 108 | [CONF_SG_BT_LOAD_RATIO] = 50, |
| 109 | [CONF_SG_AUTO_PS_MODE] = 1, |
| 110 | [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, |
| 111 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, |
| 112 | [CONF_SG_ANTENNA_CONFIGURATION] = 0, |
| 113 | [CONF_SG_BEACON_MISS_PERCENT] = 60, |
| 114 | [CONF_SG_RATE_ADAPT_THRESH] = 64, |
| 115 | [CONF_SG_RATE_ADAPT_SNR] = 1, |
| 116 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_BR] = 10, |
| 117 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_BR] = 25, |
| 118 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_BR] = 25, |
| 119 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_BR] = 20, |
| 120 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_BR] = 25, |
| 121 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_BR] = 25, |
| 122 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MIN_EDR] = 7, |
| 123 | [CONF_SG_WLAN_PS_BT_ACL_MASTER_MAX_EDR] = 25, |
| 124 | [CONF_SG_WLAN_PS_MAX_BT_ACL_MASTER_EDR] = 25, |
| 125 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 126 | [CONF_SG_WLAN_PS_BT_ACL_SLAVE_MAX_EDR] = 25, |
| 127 | [CONF_SG_WLAN_PS_MAX_BT_ACL_SLAVE_EDR] = 25, |
| 128 | [CONF_SG_RXT] = 1200, |
| 129 | [CONF_SG_TXT] = 1000, |
| 130 | [CONF_SG_ADAPTIVE_RXT_TXT] = 1, |
| 131 | [CONF_SG_PS_POLL_TIMEOUT] = 10, |
| 132 | [CONF_SG_UPSD_TIMEOUT] = 10, |
| 133 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MIN_EDR] = 7, |
| 134 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MASTER_MAX_EDR] = 15, |
| 135 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_MASTER_EDR] = 15, |
| 136 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MIN_EDR] = 8, |
| 137 | [CONF_SG_WLAN_ACTIVE_BT_ACL_SLAVE_MAX_EDR] = 20, |
| 138 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_SLAVE_EDR] = 15, |
| 139 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MIN_BR] = 20, |
| 140 | [CONF_SG_WLAN_ACTIVE_BT_ACL_MAX_BR] = 50, |
| 141 | [CONF_SG_WLAN_ACTIVE_MAX_BT_ACL_BR] = 10, |
| 142 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, |
| 143 | [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP] = 800, |
| 144 | [CONF_SG_PASSIVE_SCAN_A2DP_BT_TIME] = 75, |
| 145 | [CONF_SG_PASSIVE_SCAN_A2DP_WLAN_TIME] = 15, |
| 146 | [CONF_SG_HV3_MAX_SERVED] = 6, |
| 147 | [CONF_SG_DHCP_TIME] = 5000, |
| 148 | [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, |
| 149 | [CONF_SG_TEMP_PARAM_1] = 0, |
| 150 | [CONF_SG_TEMP_PARAM_2] = 0, |
| 151 | [CONF_SG_TEMP_PARAM_3] = 0, |
| 152 | [CONF_SG_TEMP_PARAM_4] = 0, |
| 153 | [CONF_SG_TEMP_PARAM_5] = 0, |
| 154 | [CONF_SG_AP_BEACON_MISS_TX] = 3, |
| 155 | [CONF_SG_RX_WINDOW_LENGTH] = 6, |
| 156 | [CONF_SG_AP_CONNECTION_PROTECTION_TIME] = 50, |
| 157 | [CONF_SG_TEMP_PARAM_6] = 1, |
| 158 | }, |
Juuso Oikarinen | 1b00f54 | 2010-03-18 12:26:30 +0200 | [diff] [blame] | 159 | .state = CONF_SG_PROTECTIVE, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 160 | }, |
| 161 | .rx = { |
| 162 | .rx_msdu_life_time = 512000, |
| 163 | .packet_detection_threshold = 0, |
| 164 | .ps_poll_timeout = 15, |
| 165 | .upsd_timeout = 15, |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 166 | .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 167 | .rx_cca_threshold = 0, |
| 168 | .irq_blk_threshold = 0xFFFF, |
| 169 | .irq_pkt_threshold = 0, |
| 170 | .irq_timeout = 600, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 171 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, |
| 172 | }, |
| 173 | .tx = { |
| 174 | .tx_energy_detection = 0, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 175 | .sta_rc_conf = { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 176 | .enabled_rates = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 177 | .short_retry_limit = 10, |
| 178 | .long_retry_limit = 10, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 179 | .aflags = 0, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 180 | }, |
| 181 | .ac_conf_count = 4, |
| 182 | .ac_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 183 | [CONF_TX_AC_BE] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 184 | .ac = CONF_TX_AC_BE, |
| 185 | .cw_min = 15, |
| 186 | .cw_max = 63, |
| 187 | .aifsn = 3, |
| 188 | .tx_op_limit = 0, |
| 189 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 190 | [CONF_TX_AC_BK] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 191 | .ac = CONF_TX_AC_BK, |
| 192 | .cw_min = 15, |
| 193 | .cw_max = 63, |
| 194 | .aifsn = 7, |
| 195 | .tx_op_limit = 0, |
| 196 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 197 | [CONF_TX_AC_VI] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 198 | .ac = CONF_TX_AC_VI, |
| 199 | .cw_min = 15, |
| 200 | .cw_max = 63, |
| 201 | .aifsn = CONF_TX_AIFS_PIFS, |
| 202 | .tx_op_limit = 3008, |
| 203 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 204 | [CONF_TX_AC_VO] = { |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 205 | .ac = CONF_TX_AC_VO, |
| 206 | .cw_min = 15, |
| 207 | .cw_max = 63, |
| 208 | .aifsn = CONF_TX_AIFS_PIFS, |
| 209 | .tx_op_limit = 1504, |
| 210 | }, |
| 211 | }, |
Luciano Coelho | 25eaea30 | 2011-05-02 12:37:33 +0300 | [diff] [blame] | 212 | .ap_max_tx_retries = 100, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 213 | .tid_conf_count = 4, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 214 | .tid_conf = { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 215 | [CONF_TX_AC_BE] = { |
| 216 | .queue_id = CONF_TX_AC_BE, |
| 217 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 218 | .tsid = CONF_TX_AC_BE, |
| 219 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 220 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 221 | .apsd_conf = {0, 0}, |
| 222 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 223 | [CONF_TX_AC_BK] = { |
| 224 | .queue_id = CONF_TX_AC_BK, |
| 225 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 226 | .tsid = CONF_TX_AC_BK, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 227 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 228 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 229 | .apsd_conf = {0, 0}, |
| 230 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 231 | [CONF_TX_AC_VI] = { |
| 232 | .queue_id = CONF_TX_AC_VI, |
| 233 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 234 | .tsid = CONF_TX_AC_VI, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 235 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 236 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 237 | .apsd_conf = {0, 0}, |
| 238 | }, |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 239 | [CONF_TX_AC_VO] = { |
| 240 | .queue_id = CONF_TX_AC_VO, |
| 241 | .channel_type = CONF_CHANNEL_TYPE_EDCF, |
| 242 | .tsid = CONF_TX_AC_VO, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 243 | .ps_scheme = CONF_PS_SCHEME_LEGACY, |
| 244 | .ack_policy = CONF_ACK_POLICY_LEGACY, |
| 245 | .apsd_conf = {0, 0}, |
| 246 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 247 | }, |
| 248 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 249 | .tx_compl_timeout = 700, |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 250 | .tx_compl_threshold = 4, |
| 251 | .basic_rate = CONF_HW_BIT_RATE_1MBPS, |
| 252 | .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, |
Arik Nemtsov | 1e05a81 | 2010-10-16 17:44:51 +0200 | [diff] [blame] | 253 | .tmpl_short_retry_limit = 10, |
| 254 | .tmpl_long_retry_limit = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 255 | }, |
| 256 | .conn = { |
| 257 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 258 | .listen_interval = 1, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 259 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 260 | .bcn_filt_ie_count = 2, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 261 | .bcn_filt_ie = { |
| 262 | [0] = { |
| 263 | .ie = WLAN_EID_CHANNEL_SWITCH, |
| 264 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, |
Shahar Levi | bc76b94 | 2011-05-11 11:14:22 +0300 | [diff] [blame] | 265 | }, |
| 266 | [1] = { |
| 267 | .ie = WLAN_EID_HT_INFORMATION, |
| 268 | .rule = CONF_BCN_RULE_PASS_ON_CHANGE, |
| 269 | }, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 270 | }, |
Luciano Coelho | 3ed8f2c | 2009-12-11 15:40:54 +0200 | [diff] [blame] | 271 | .synch_fail_thold = 10, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 272 | .bss_lose_timeout = 100, |
| 273 | .beacon_rx_timeout = 10000, |
| 274 | .broadcast_timeout = 20000, |
| 275 | .rx_broadcast_in_ps = 1, |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 276 | .ps_poll_threshold = 10, |
| 277 | .ps_poll_recovery_period = 700, |
Juuso Oikarinen | 11f70f9 | 2009-10-13 12:47:46 +0300 | [diff] [blame] | 278 | .bet_enable = CONF_BET_MODE_ENABLE, |
Ohad Ben-Cohen | 958b20e0 | 2011-03-14 18:53:10 +0200 | [diff] [blame] | 279 | .bet_max_consecutive = 50, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 280 | .psm_entry_retries = 5, |
Shahar Levi | 2370841 | 2011-04-13 14:52:50 +0300 | [diff] [blame] | 281 | .psm_exit_retries = 16, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 282 | .psm_entry_nullfunc_retries = 3, |
| 283 | .psm_entry_hangover_period = 1, |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 284 | .keep_alive_interval = 55000, |
| 285 | .max_listen_interval = 20, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 286 | }, |
Luciano Coelho | 6e92b41 | 2009-12-11 15:40:50 +0200 | [diff] [blame] | 287 | .itrim = { |
| 288 | .enable = false, |
| 289 | .timeout = 50000, |
Juuso Oikarinen | 38ad2d8 | 2009-12-11 15:41:08 +0200 | [diff] [blame] | 290 | }, |
| 291 | .pm_config = { |
| 292 | .host_clk_settling_time = 5000, |
| 293 | .host_fast_wakeup_support = false |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 294 | }, |
| 295 | .roam_trigger = { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 296 | .trigger_pacing = 1, |
| 297 | .avg_weight_rssi_beacon = 20, |
| 298 | .avg_weight_rssi_data = 10, |
| 299 | .avg_weight_snr_beacon = 20, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 300 | .avg_weight_snr_data = 10, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 301 | }, |
| 302 | .scan = { |
| 303 | .min_dwell_time_active = 7500, |
| 304 | .max_dwell_time_active = 30000, |
Juuso Oikarinen | ea45b2c | 2011-01-24 07:01:54 +0100 | [diff] [blame] | 305 | .min_dwell_time_passive = 100000, |
| 306 | .max_dwell_time_passive = 100000, |
Juuso Oikarinen | bea39d6 | 2010-09-21 08:14:31 +0200 | [diff] [blame] | 307 | .num_probe_reqs = 2, |
| 308 | }, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 309 | .sched_scan = { |
| 310 | /* sched_scan requires dwell times in TU instead of TU/1000 */ |
| 311 | .min_dwell_time_active = 8, |
| 312 | .max_dwell_time_active = 30, |
| 313 | .dwell_time_passive = 100, |
Luciano Coelho | 50a66d7 | 2011-05-27 15:34:47 +0300 | [diff] [blame] | 314 | .dwell_time_dfs = 150, |
Luciano Coelho | 3a9d60e | 2011-05-10 14:06:31 +0300 | [diff] [blame] | 315 | .num_probe_reqs = 2, |
| 316 | .rssi_threshold = -90, |
| 317 | .snr_threshold = 0, |
| 318 | }, |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 319 | .rf = { |
| 320 | .tx_per_channel_power_compensation_2 = { |
| 321 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 322 | }, |
| 323 | .tx_per_channel_power_compensation_5 = { |
| 324 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 325 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 326 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 327 | }, |
| 328 | }, |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 329 | .ht = { |
| 330 | .tx_ba_win_size = 64, |
| 331 | .inactivity_timeout = 10000, |
| 332 | }, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 333 | .mem_wl127x = { |
Eliad Peller | fe5ef09 | 2011-02-02 09:59:36 +0200 | [diff] [blame] | 334 | .num_stations = 1, |
| 335 | .ssid_profiles = 1, |
| 336 | .rx_block_num = 70, |
| 337 | .tx_min_block_num = 40, |
Ido Yariv | 4cf557f | 2011-04-18 16:45:10 +0300 | [diff] [blame] | 338 | .dynamic_memory = 1, |
Ido Yariv | b16d4b6 | 2011-03-01 15:14:44 +0200 | [diff] [blame] | 339 | .min_req_tx_blocks = 100, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 340 | .min_req_rx_blocks = 22, |
| 341 | .tx_min = 27, |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 342 | }, |
| 343 | .mem_wl128x = { |
| 344 | .num_stations = 1, |
| 345 | .ssid_profiles = 1, |
| 346 | .rx_block_num = 40, |
| 347 | .tx_min_block_num = 40, |
| 348 | .dynamic_memory = 1, |
| 349 | .min_req_tx_blocks = 45, |
| 350 | .min_req_rx_blocks = 22, |
| 351 | .tx_min = 27, |
| 352 | }, |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 353 | .fm_coex = { |
| 354 | .enable = true, |
| 355 | .swallow_period = 5, |
| 356 | .n_divider_fref_set_1 = 0xff, /* default */ |
| 357 | .n_divider_fref_set_2 = 12, |
| 358 | .m_divider_fref_set_1 = 148, |
| 359 | .m_divider_fref_set_2 = 0xffff, /* default */ |
| 360 | .coex_pll_stabilization_time = 0xffffffff, /* default */ |
| 361 | .ldo_stabilization_time = 0xffff, /* default */ |
| 362 | .fm_disturbed_band_margin = 0xff, /* default */ |
| 363 | .swallow_clk_diff = 0xff, /* default */ |
| 364 | }, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 365 | .rx_streaming = { |
| 366 | .duration = 150, |
| 367 | .queues = 0x1, |
| 368 | .interval = 20, |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 369 | .always = 0, |
Eliad Peller | f84673d | 2011-05-15 11:10:28 +0300 | [diff] [blame] | 370 | }, |
Luciano Coelho | afb7d3c | 2011-04-01 20:48:02 +0300 | [diff] [blame] | 371 | .hci_io_ds = HCI_IO_DS_6MA, |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 372 | }; |
| 373 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 374 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 375 | bool reset_tx_queues); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 376 | static void wl1271_free_ap_keys(struct wl1271 *wl); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 377 | |
| 378 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 379 | static void wl1271_device_release(struct device *dev) |
| 380 | { |
| 381 | |
| 382 | } |
| 383 | |
| 384 | static struct platform_device wl1271_device = { |
| 385 | .name = "wl1271", |
| 386 | .id = -1, |
| 387 | |
| 388 | /* device model insists to have a release function */ |
| 389 | .dev = { |
| 390 | .release = wl1271_device_release, |
| 391 | }, |
| 392 | }; |
| 393 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 394 | static DEFINE_MUTEX(wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 395 | static LIST_HEAD(wl_list); |
| 396 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 397 | static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate) |
| 398 | { |
| 399 | int ret; |
| 400 | if (operstate != IF_OPER_UP) |
| 401 | return 0; |
| 402 | |
| 403 | if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) |
| 404 | return 0; |
| 405 | |
| 406 | ret = wl1271_cmd_set_sta_state(wl); |
| 407 | if (ret < 0) |
| 408 | return ret; |
| 409 | |
| 410 | wl1271_info("Association completed."); |
| 411 | return 0; |
| 412 | } |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 413 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
| 414 | void *arg) |
| 415 | { |
| 416 | struct net_device *dev = arg; |
| 417 | struct wireless_dev *wdev; |
| 418 | struct wiphy *wiphy; |
| 419 | struct ieee80211_hw *hw; |
| 420 | struct wl1271 *wl; |
| 421 | struct wl1271 *wl_temp; |
| 422 | int ret = 0; |
| 423 | |
| 424 | /* Check that this notification is for us. */ |
| 425 | if (what != NETDEV_CHANGE) |
| 426 | return NOTIFY_DONE; |
| 427 | |
| 428 | wdev = dev->ieee80211_ptr; |
| 429 | if (wdev == NULL) |
| 430 | return NOTIFY_DONE; |
| 431 | |
| 432 | wiphy = wdev->wiphy; |
| 433 | if (wiphy == NULL) |
| 434 | return NOTIFY_DONE; |
| 435 | |
| 436 | hw = wiphy_priv(wiphy); |
| 437 | if (hw == NULL) |
| 438 | return NOTIFY_DONE; |
| 439 | |
| 440 | wl_temp = hw->priv; |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 441 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 442 | list_for_each_entry(wl, &wl_list, list) { |
| 443 | if (wl == wl_temp) |
| 444 | break; |
| 445 | } |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 446 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 447 | if (wl != wl_temp) |
| 448 | return NOTIFY_DONE; |
| 449 | |
| 450 | mutex_lock(&wl->mutex); |
| 451 | |
| 452 | if (wl->state == WL1271_STATE_OFF) |
| 453 | goto out; |
| 454 | |
| 455 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 456 | goto out; |
| 457 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 458 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 459 | if (ret < 0) |
| 460 | goto out; |
| 461 | |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 462 | wl1271_check_operstate(wl, dev->operstate); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 463 | |
| 464 | wl1271_ps_elp_sleep(wl); |
| 465 | |
| 466 | out: |
| 467 | mutex_unlock(&wl->mutex); |
| 468 | |
| 469 | return NOTIFY_OK; |
| 470 | } |
| 471 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 472 | static int wl1271_reg_notify(struct wiphy *wiphy, |
Luciano Coelho | 573c67c | 2010-11-26 13:44:59 +0200 | [diff] [blame] | 473 | struct regulatory_request *request) |
| 474 | { |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 475 | struct ieee80211_supported_band *band; |
| 476 | struct ieee80211_channel *ch; |
| 477 | int i; |
| 478 | |
| 479 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 480 | for (i = 0; i < band->n_channels; i++) { |
| 481 | ch = &band->channels[i]; |
| 482 | if (ch->flags & IEEE80211_CHAN_DISABLED) |
| 483 | continue; |
| 484 | |
| 485 | if (ch->flags & IEEE80211_CHAN_RADAR) |
| 486 | ch->flags |= IEEE80211_CHAN_NO_IBSS | |
| 487 | IEEE80211_CHAN_PASSIVE_SCAN; |
| 488 | |
| 489 | } |
| 490 | |
| 491 | return 0; |
| 492 | } |
| 493 | |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 494 | static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable) |
| 495 | { |
| 496 | int ret = 0; |
| 497 | |
| 498 | /* we should hold wl->mutex */ |
| 499 | ret = wl1271_acx_ps_rx_streaming(wl, enable); |
| 500 | if (ret < 0) |
| 501 | goto out; |
| 502 | |
| 503 | if (enable) |
| 504 | set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 505 | else |
| 506 | clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); |
| 507 | out: |
| 508 | return ret; |
| 509 | } |
| 510 | |
| 511 | /* |
| 512 | * this function is being called when the rx_streaming interval |
| 513 | * has beed changed or rx_streaming should be disabled |
| 514 | */ |
| 515 | int wl1271_recalc_rx_streaming(struct wl1271 *wl) |
| 516 | { |
| 517 | int ret = 0; |
| 518 | int period = wl->conf.rx_streaming.interval; |
| 519 | |
| 520 | /* don't reconfigure if rx_streaming is disabled */ |
| 521 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 522 | goto out; |
| 523 | |
| 524 | /* reconfigure/disable according to new streaming_period */ |
| 525 | if (period && |
| 526 | test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) && |
| 527 | (wl->conf.rx_streaming.always || |
| 528 | test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 529 | ret = wl1271_set_rx_streaming(wl, true); |
| 530 | else { |
| 531 | ret = wl1271_set_rx_streaming(wl, false); |
| 532 | /* don't cancel_work_sync since we might deadlock */ |
| 533 | del_timer_sync(&wl->rx_streaming_timer); |
| 534 | } |
| 535 | out: |
| 536 | return ret; |
| 537 | } |
| 538 | |
| 539 | static void wl1271_rx_streaming_enable_work(struct work_struct *work) |
| 540 | { |
| 541 | int ret; |
| 542 | struct wl1271 *wl = |
| 543 | container_of(work, struct wl1271, rx_streaming_enable_work); |
| 544 | |
| 545 | mutex_lock(&wl->mutex); |
| 546 | |
| 547 | if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || |
| 548 | !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || |
| 549 | (!wl->conf.rx_streaming.always && |
| 550 | !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) |
| 551 | goto out; |
| 552 | |
| 553 | if (!wl->conf.rx_streaming.interval) |
| 554 | goto out; |
| 555 | |
| 556 | ret = wl1271_ps_elp_wakeup(wl); |
| 557 | if (ret < 0) |
| 558 | goto out; |
| 559 | |
| 560 | ret = wl1271_set_rx_streaming(wl, true); |
| 561 | if (ret < 0) |
| 562 | goto out_sleep; |
| 563 | |
| 564 | /* stop it after some time of inactivity */ |
| 565 | mod_timer(&wl->rx_streaming_timer, |
| 566 | jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); |
| 567 | |
| 568 | out_sleep: |
| 569 | wl1271_ps_elp_sleep(wl); |
| 570 | out: |
| 571 | mutex_unlock(&wl->mutex); |
| 572 | } |
| 573 | |
| 574 | static void wl1271_rx_streaming_disable_work(struct work_struct *work) |
| 575 | { |
| 576 | int ret; |
| 577 | struct wl1271 *wl = |
| 578 | container_of(work, struct wl1271, rx_streaming_disable_work); |
| 579 | |
| 580 | mutex_lock(&wl->mutex); |
| 581 | |
| 582 | if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) |
| 583 | goto out; |
| 584 | |
| 585 | ret = wl1271_ps_elp_wakeup(wl); |
| 586 | if (ret < 0) |
| 587 | goto out; |
| 588 | |
| 589 | ret = wl1271_set_rx_streaming(wl, false); |
| 590 | if (ret) |
| 591 | goto out_sleep; |
| 592 | |
| 593 | out_sleep: |
| 594 | wl1271_ps_elp_sleep(wl); |
| 595 | out: |
| 596 | mutex_unlock(&wl->mutex); |
| 597 | } |
| 598 | |
| 599 | static void wl1271_rx_streaming_timer(unsigned long data) |
| 600 | { |
| 601 | struct wl1271 *wl = (struct wl1271 *)data; |
| 602 | ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work); |
| 603 | } |
| 604 | |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 605 | static void wl1271_conf_init(struct wl1271 *wl) |
| 606 | { |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 607 | |
| 608 | /* |
| 609 | * This function applies the default configuration to the driver. This |
| 610 | * function is invoked upon driver load (spi probe.) |
| 611 | * |
| 612 | * The configuration is stored in a run-time structure in order to |
| 613 | * facilitate for run-time adjustment of any of the parameters. Making |
| 614 | * changes to the configuration structure will apply the new values on |
| 615 | * the next interface up (wl1271_op_start.) |
| 616 | */ |
| 617 | |
| 618 | /* apply driver default configuration */ |
Juuso Oikarinen | 8a08048 | 2009-10-13 12:47:44 +0300 | [diff] [blame] | 619 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 620 | } |
| 621 | |
| 622 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 623 | static int wl1271_plt_init(struct wl1271 *wl) |
| 624 | { |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 625 | struct conf_tx_ac_category *conf_ac; |
| 626 | struct conf_tx_tid *conf_tid; |
| 627 | int ret, i; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 628 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 629 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 630 | ret = wl128x_cmd_general_parms(wl); |
| 631 | else |
| 632 | ret = wl1271_cmd_general_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 633 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 634 | return ret; |
| 635 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 636 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 637 | ret = wl128x_cmd_radio_parms(wl); |
| 638 | else |
| 639 | ret = wl1271_cmd_radio_parms(wl); |
Luciano Coelho | 4a90406 | 2009-11-23 23:22:18 +0200 | [diff] [blame] | 640 | if (ret < 0) |
Luciano Coelho | cc7defa | 2009-11-23 23:22:16 +0200 | [diff] [blame] | 641 | return ret; |
| 642 | |
Shahar Levi | 49d750ca | 2011-03-06 16:32:09 +0200 | [diff] [blame] | 643 | if (wl->chip.id != CHIP_ID_1283_PG20) { |
| 644 | ret = wl1271_cmd_ext_radio_parms(wl); |
| 645 | if (ret < 0) |
| 646 | return ret; |
| 647 | } |
Juuso Oikarinen | 644a486 | 2010-10-05 13:11:56 +0200 | [diff] [blame] | 648 | if (ret < 0) |
| 649 | return ret; |
| 650 | |
Shahar Levi | 48a6147 | 2011-03-06 16:32:08 +0200 | [diff] [blame] | 651 | /* Chip-specific initializations */ |
| 652 | ret = wl1271_chip_specific_init(wl); |
| 653 | if (ret < 0) |
| 654 | return ret; |
| 655 | |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 656 | ret = wl1271_sta_init_templates_config(wl); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 657 | if (ret < 0) |
| 658 | return ret; |
| 659 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 660 | ret = wl1271_acx_init_mem_config(wl); |
| 661 | if (ret < 0) |
| 662 | return ret; |
| 663 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 664 | /* PHY layer config */ |
| 665 | ret = wl1271_init_phy_config(wl); |
| 666 | if (ret < 0) |
| 667 | goto out_free_memmap; |
| 668 | |
| 669 | ret = wl1271_acx_dco_itrim_params(wl); |
| 670 | if (ret < 0) |
| 671 | goto out_free_memmap; |
| 672 | |
| 673 | /* Initialize connection monitoring thresholds */ |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 674 | ret = wl1271_acx_conn_monit_params(wl, false); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 675 | if (ret < 0) |
| 676 | goto out_free_memmap; |
| 677 | |
| 678 | /* Bluetooth WLAN coexistence */ |
| 679 | ret = wl1271_init_pta(wl); |
| 680 | if (ret < 0) |
| 681 | goto out_free_memmap; |
| 682 | |
Shahar Levi | ff86843 | 2011-04-11 15:41:46 +0300 | [diff] [blame] | 683 | /* FM WLAN coexistence */ |
| 684 | ret = wl1271_acx_fm_coex(wl); |
| 685 | if (ret < 0) |
| 686 | goto out_free_memmap; |
| 687 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 688 | /* Energy detection */ |
| 689 | ret = wl1271_init_energy_detection(wl); |
| 690 | if (ret < 0) |
| 691 | goto out_free_memmap; |
| 692 | |
Gery Kahn | 1ec610e | 2011-02-01 03:03:08 -0600 | [diff] [blame] | 693 | ret = wl1271_acx_sta_mem_cfg(wl); |
| 694 | if (ret < 0) |
| 695 | goto out_free_memmap; |
| 696 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 697 | /* Default fragmentation threshold */ |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 698 | ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 699 | if (ret < 0) |
| 700 | goto out_free_memmap; |
| 701 | |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 702 | /* Default TID/AC configuration */ |
| 703 | 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] | 704 | for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { |
Juuso Oikarinen | 9987a9d | 2010-09-01 11:31:12 +0200 | [diff] [blame] | 705 | conf_ac = &wl->conf.tx.ac_conf[i]; |
| 706 | ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min, |
| 707 | conf_ac->cw_max, conf_ac->aifsn, |
| 708 | conf_ac->tx_op_limit); |
| 709 | if (ret < 0) |
| 710 | goto out_free_memmap; |
| 711 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 712 | conf_tid = &wl->conf.tx.tid_conf[i]; |
| 713 | ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id, |
| 714 | conf_tid->channel_type, |
| 715 | conf_tid->tsid, |
| 716 | conf_tid->ps_scheme, |
| 717 | conf_tid->ack_policy, |
| 718 | conf_tid->apsd_conf[0], |
| 719 | conf_tid->apsd_conf[1]); |
| 720 | if (ret < 0) |
| 721 | goto out_free_memmap; |
| 722 | } |
| 723 | |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 724 | /* Enable data path */ |
Luciano Coelho | 9421089 | 2009-12-11 15:40:55 +0200 | [diff] [blame] | 725 | ret = wl1271_cmd_data_path(wl, 1); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 726 | if (ret < 0) |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 727 | goto out_free_memmap; |
| 728 | |
| 729 | /* Configure for CAM power saving (ie. always active) */ |
| 730 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); |
| 731 | if (ret < 0) |
| 732 | goto out_free_memmap; |
| 733 | |
| 734 | /* configure PM */ |
| 735 | ret = wl1271_acx_pm_config(wl); |
| 736 | if (ret < 0) |
| 737 | goto out_free_memmap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 738 | |
| 739 | return 0; |
Luciano Coelho | 12419cce | 2010-02-18 13:25:44 +0200 | [diff] [blame] | 740 | |
| 741 | out_free_memmap: |
| 742 | kfree(wl->target_mem_map); |
| 743 | wl->target_mem_map = NULL; |
| 744 | |
| 745 | return ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 746 | } |
| 747 | |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 748 | static void wl1271_irq_ps_regulate_link(struct wl1271 *wl, u8 hlid, u8 tx_blks) |
| 749 | { |
| 750 | bool fw_ps; |
| 751 | |
| 752 | /* only regulate station links */ |
| 753 | if (hlid < WL1271_AP_STA_HLID_START) |
| 754 | return; |
| 755 | |
| 756 | fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
| 757 | |
| 758 | /* |
| 759 | * Wake up from high level PS if the STA is asleep with too little |
| 760 | * blocks in FW or if the STA is awake. |
| 761 | */ |
| 762 | if (!fw_ps || tx_blks < WL1271_PS_STA_MAX_BLOCKS) |
| 763 | wl1271_ps_link_end(wl, hlid); |
| 764 | |
| 765 | /* Start high-level PS if the STA is asleep with enough blocks in FW */ |
| 766 | else if (fw_ps && tx_blks >= WL1271_PS_STA_MAX_BLOCKS) |
| 767 | wl1271_ps_link_start(wl, hlid, true); |
| 768 | } |
| 769 | |
| 770 | static void wl1271_irq_update_links_status(struct wl1271 *wl, |
| 771 | struct wl1271_fw_ap_status *status) |
| 772 | { |
| 773 | u32 cur_fw_ps_map; |
| 774 | u8 hlid; |
| 775 | |
| 776 | cur_fw_ps_map = le32_to_cpu(status->link_ps_bitmap); |
| 777 | if (wl->ap_fw_ps_map != cur_fw_ps_map) { |
| 778 | wl1271_debug(DEBUG_PSM, |
| 779 | "link ps prev 0x%x cur 0x%x changed 0x%x", |
| 780 | wl->ap_fw_ps_map, cur_fw_ps_map, |
| 781 | wl->ap_fw_ps_map ^ cur_fw_ps_map); |
| 782 | |
| 783 | wl->ap_fw_ps_map = cur_fw_ps_map; |
| 784 | } |
| 785 | |
| 786 | for (hlid = WL1271_AP_STA_HLID_START; hlid < AP_MAX_LINKS; hlid++) { |
| 787 | u8 cnt = status->tx_lnk_free_blks[hlid] - |
| 788 | wl->links[hlid].prev_freed_blks; |
| 789 | |
| 790 | wl->links[hlid].prev_freed_blks = |
| 791 | status->tx_lnk_free_blks[hlid]; |
| 792 | wl->links[hlid].allocated_blks -= cnt; |
| 793 | |
| 794 | wl1271_irq_ps_regulate_link(wl, hlid, |
| 795 | wl->links[hlid].allocated_blks); |
| 796 | } |
| 797 | } |
| 798 | |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 799 | static void wl1271_fw_status(struct wl1271 *wl, |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 800 | struct wl1271_fw_full_status *full_status) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 801 | { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 802 | struct wl1271_fw_common_status *status = &full_status->common; |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 803 | struct timespec ts; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 804 | u32 old_tx_blk_count = wl->tx_blocks_available; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 805 | u32 freed_blocks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 806 | int i; |
| 807 | |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 808 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 809 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
| 810 | sizeof(struct wl1271_fw_ap_status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 811 | } else { |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 812 | wl1271_raw_read(wl, FW_STATUS_ADDR, status, |
| 813 | sizeof(struct wl1271_fw_sta_status), false); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 814 | } |
| 815 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 816 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " |
| 817 | "drv_rx_counter = %d, tx_results_counter = %d)", |
| 818 | status->intr, |
| 819 | status->fw_rx_counter, |
| 820 | status->drv_rx_counter, |
| 821 | status->tx_results_counter); |
| 822 | |
| 823 | /* update number of available TX blocks */ |
| 824 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 825 | freed_blocks += le32_to_cpu(status->tx_released_blks[i]) - |
| 826 | wl->tx_blocks_freed[i]; |
Luciano Coelho | d0f63b2 | 2009-10-15 10:33:29 +0300 | [diff] [blame] | 827 | |
| 828 | wl->tx_blocks_freed[i] = |
| 829 | le32_to_cpu(status->tx_released_blks[i]); |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 830 | } |
| 831 | |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 832 | wl->tx_allocated_blocks -= freed_blocks; |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 833 | |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 834 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
| 835 | /* Update num of allocated TX blocks per link and ps status */ |
| 836 | wl1271_irq_update_links_status(wl, &full_status->ap); |
| 837 | wl->tx_blocks_available += freed_blocks; |
| 838 | } else { |
| 839 | int avail = full_status->sta.tx_total - wl->tx_allocated_blocks; |
| 840 | |
| 841 | /* |
| 842 | * The FW might change the total number of TX memblocks before |
| 843 | * we get a notification about blocks being released. Thus, the |
| 844 | * available blocks calculation might yield a temporary result |
| 845 | * which is lower than the actual available blocks. Keeping in |
| 846 | * mind that only blocks that were allocated can be moved from |
| 847 | * TX to RX, tx_blocks_available should never decrease here. |
| 848 | */ |
| 849 | wl->tx_blocks_available = max((int)wl->tx_blocks_available, |
| 850 | avail); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 851 | } |
| 852 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 853 | /* if more blocks are available now, tx work can be scheduled */ |
Shahar Levi | 13b107d | 2011-03-06 16:32:12 +0200 | [diff] [blame] | 854 | if (wl->tx_blocks_available > old_tx_blk_count) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 855 | clear_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 856 | |
| 857 | /* update the host-chipset time offset */ |
Juuso Oikarinen | ac5e1e3 | 2010-02-22 08:38:38 +0200 | [diff] [blame] | 858 | getnstimeofday(&ts); |
| 859 | wl->time_offset = (timespec_to_ns(&ts) >> 10) - |
| 860 | (s64)le32_to_cpu(status->fw_localtime); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 861 | } |
| 862 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 863 | static void wl1271_flush_deferred_work(struct wl1271 *wl) |
| 864 | { |
| 865 | struct sk_buff *skb; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 866 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 867 | /* Pass all received frames to the network stack */ |
| 868 | while ((skb = skb_dequeue(&wl->deferred_rx_queue))) |
| 869 | ieee80211_rx_ni(wl->hw, skb); |
| 870 | |
| 871 | /* Return sent skbs to the network stack */ |
| 872 | while ((skb = skb_dequeue(&wl->deferred_tx_queue))) |
Eliad Peller | c27d3ac | 2011-06-07 10:40:39 +0300 | [diff] [blame] | 873 | ieee80211_tx_status_ni(wl->hw, skb); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 874 | } |
| 875 | |
| 876 | static void wl1271_netstack_work(struct work_struct *work) |
| 877 | { |
| 878 | struct wl1271 *wl = |
| 879 | container_of(work, struct wl1271, netstack_work); |
| 880 | |
| 881 | do { |
| 882 | wl1271_flush_deferred_work(wl); |
| 883 | } while (skb_queue_len(&wl->deferred_rx_queue)); |
| 884 | } |
| 885 | |
| 886 | #define WL1271_IRQ_MAX_LOOPS 256 |
| 887 | |
| 888 | irqreturn_t wl1271_irq(int irq, void *cookie) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 889 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 890 | int ret; |
Juuso Oikarinen | c15f63b | 2009-10-12 15:08:50 +0300 | [diff] [blame] | 891 | u32 intr; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 892 | int loopcount = WL1271_IRQ_MAX_LOOPS; |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 893 | struct wl1271 *wl = (struct wl1271 *)cookie; |
| 894 | bool done = false; |
| 895 | unsigned int defer_count; |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 896 | unsigned long flags; |
| 897 | |
| 898 | /* TX might be handled here, avoid redundant work */ |
| 899 | set_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 900 | cancel_work_sync(&wl->tx_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 901 | |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 902 | /* |
| 903 | * In case edge triggered interrupt must be used, we cannot iterate |
| 904 | * more than once without introducing race conditions with the hardirq. |
| 905 | */ |
| 906 | if (wl->platform_quirks & WL12XX_PLATFORM_QUIRK_EDGE_IRQ) |
| 907 | loopcount = 1; |
| 908 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 909 | mutex_lock(&wl->mutex); |
| 910 | |
| 911 | wl1271_debug(DEBUG_IRQ, "IRQ work"); |
| 912 | |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 913 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 914 | goto out; |
| 915 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 916 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 917 | if (ret < 0) |
| 918 | goto out; |
| 919 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 920 | while (!done && loopcount--) { |
| 921 | /* |
| 922 | * In order to avoid a race with the hardirq, clear the flag |
| 923 | * before acknowledging the chip. Since the mutex is held, |
| 924 | * wl1271_ps_elp_wakeup cannot be called concurrently. |
| 925 | */ |
| 926 | clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); |
| 927 | smp_mb__after_clear_bit(); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 928 | |
| 929 | wl1271_fw_status(wl, wl->fw_status); |
Eliad Peller | c8bde24 | 2011-02-02 09:59:35 +0200 | [diff] [blame] | 930 | intr = le32_to_cpu(wl->fw_status->common.intr); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 931 | intr &= WL1271_INTR_MASK; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 932 | if (!intr) { |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 933 | done = true; |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 934 | continue; |
| 935 | } |
| 936 | |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 937 | if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { |
| 938 | wl1271_error("watchdog interrupt received! " |
| 939 | "starting recovery."); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame^] | 940 | wl12xx_queue_recovery_work(wl); |
Eliad Peller | ccc83b0 | 2010-10-27 14:09:57 +0200 | [diff] [blame] | 941 | |
| 942 | /* restarting the chip. ignore any other interrupt. */ |
| 943 | goto out; |
| 944 | } |
| 945 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 946 | if (likely(intr & WL1271_ACX_INTR_DATA)) { |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 947 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
| 948 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 949 | wl1271_rx(wl, &wl->fw_status->common); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 950 | |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 951 | /* Check if any tx blocks were freed */ |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 952 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 953 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 954 | wl->tx_queue_count) { |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 955 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 956 | /* |
| 957 | * In order to avoid starvation of the TX path, |
| 958 | * call the work function directly. |
| 959 | */ |
| 960 | wl1271_tx_work_locked(wl); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 961 | } else { |
| 962 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 963 | } |
| 964 | |
Ido Yariv | 8aad246 | 2011-03-01 15:14:38 +0200 | [diff] [blame] | 965 | /* check for tx results */ |
| 966 | if (wl->fw_status->common.tx_results_counter != |
| 967 | (wl->tx_results_count & 0xff)) |
| 968 | wl1271_tx_complete(wl); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 969 | |
| 970 | /* Make sure the deferred queues don't get too long */ |
| 971 | defer_count = skb_queue_len(&wl->deferred_tx_queue) + |
| 972 | skb_queue_len(&wl->deferred_rx_queue); |
| 973 | if (defer_count > WL1271_DEFERRED_QUEUE_LIMIT) |
| 974 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 1e73eb6 | 2010-02-22 08:38:37 +0200 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
| 978 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); |
| 979 | wl1271_event_handle(wl, 0); |
| 980 | } |
| 981 | |
| 982 | if (intr & WL1271_ACX_INTR_EVENT_B) { |
| 983 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); |
| 984 | wl1271_event_handle(wl, 1); |
| 985 | } |
| 986 | |
| 987 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
| 988 | wl1271_debug(DEBUG_IRQ, |
| 989 | "WL1271_ACX_INTR_INIT_COMPLETE"); |
| 990 | |
| 991 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
| 992 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 993 | } |
| 994 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 995 | wl1271_ps_elp_sleep(wl); |
| 996 | |
| 997 | out: |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 998 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 999 | /* In case TX was not handled here, queue TX work */ |
| 1000 | clear_bit(WL1271_FLAG_TX_PENDING, &wl->flags); |
| 1001 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1002 | wl->tx_queue_count) |
| 1003 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 1004 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1005 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1006 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1007 | |
| 1008 | return IRQ_HANDLED; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1009 | } |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1010 | EXPORT_SYMBOL_GPL(wl1271_irq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1011 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1012 | static int wl1271_fetch_firmware(struct wl1271 *wl) |
| 1013 | { |
| 1014 | const struct firmware *fw; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1015 | const char *fw_name; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1016 | int ret; |
| 1017 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1018 | switch (wl->bss_type) { |
| 1019 | case BSS_TYPE_AP_BSS: |
Arik Nemtsov | 1aed55f | 2011-03-06 16:32:18 +0200 | [diff] [blame] | 1020 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 1021 | fw_name = WL128X_AP_FW_NAME; |
| 1022 | else |
| 1023 | fw_name = WL127X_AP_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1024 | break; |
| 1025 | case BSS_TYPE_IBSS: |
| 1026 | case BSS_TYPE_STA_BSS: |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 1027 | if (wl->chip.id == CHIP_ID_1283_PG20) |
| 1028 | fw_name = WL128X_FW_NAME; |
| 1029 | else |
| 1030 | fw_name = WL1271_FW_NAME; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1031 | break; |
| 1032 | default: |
| 1033 | wl1271_error("no compatible firmware for bss_type %d", |
| 1034 | wl->bss_type); |
| 1035 | return -EINVAL; |
| 1036 | } |
| 1037 | |
| 1038 | wl1271_debug(DEBUG_BOOT, "booting firmware %s", fw_name); |
| 1039 | |
| 1040 | ret = request_firmware(&fw, fw_name, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1041 | |
| 1042 | if (ret < 0) { |
| 1043 | wl1271_error("could not get firmware: %d", ret); |
| 1044 | return ret; |
| 1045 | } |
| 1046 | |
| 1047 | if (fw->size % 4) { |
| 1048 | wl1271_error("firmware size is not multiple of 32 bits: %zu", |
| 1049 | fw->size); |
| 1050 | ret = -EILSEQ; |
| 1051 | goto out; |
| 1052 | } |
| 1053 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1054 | vfree(wl->fw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1055 | wl->fw_len = fw->size; |
Juuso Oikarinen | 1fba497 | 2009-10-08 21:56:32 +0300 | [diff] [blame] | 1056 | wl->fw = vmalloc(wl->fw_len); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1057 | |
| 1058 | if (!wl->fw) { |
| 1059 | wl1271_error("could not allocate memory for the firmware"); |
| 1060 | ret = -ENOMEM; |
| 1061 | goto out; |
| 1062 | } |
| 1063 | |
| 1064 | memcpy(wl->fw, fw->data, wl->fw_len); |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1065 | wl->fw_bss_type = wl->bss_type; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1066 | ret = 0; |
| 1067 | |
| 1068 | out: |
| 1069 | release_firmware(fw); |
| 1070 | |
| 1071 | return ret; |
| 1072 | } |
| 1073 | |
| 1074 | static int wl1271_fetch_nvs(struct wl1271 *wl) |
| 1075 | { |
| 1076 | const struct firmware *fw; |
| 1077 | int ret; |
| 1078 | |
Shahar Levi | 5aa4234 | 2011-03-06 16:32:07 +0200 | [diff] [blame] | 1079 | ret = request_firmware(&fw, WL12XX_NVS_NAME, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1080 | |
| 1081 | if (ret < 0) { |
| 1082 | wl1271_error("could not get nvs file: %d", ret); |
| 1083 | return ret; |
| 1084 | } |
| 1085 | |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 1086 | wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1087 | |
| 1088 | if (!wl->nvs) { |
| 1089 | wl1271_error("could not allocate memory for the nvs file"); |
| 1090 | ret = -ENOMEM; |
| 1091 | goto out; |
| 1092 | } |
| 1093 | |
Juuso Oikarinen | 02fabb0 | 2010-08-19 04:41:15 +0200 | [diff] [blame] | 1094 | wl->nvs_len = fw->size; |
| 1095 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1096 | out: |
| 1097 | release_firmware(fw); |
| 1098 | |
| 1099 | return ret; |
| 1100 | } |
| 1101 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame^] | 1102 | void wl12xx_queue_recovery_work(struct wl1271 *wl) |
| 1103 | { |
| 1104 | if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) |
| 1105 | ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 1106 | } |
| 1107 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1108 | static void wl1271_recovery_work(struct work_struct *work) |
| 1109 | { |
| 1110 | struct wl1271 *wl = |
| 1111 | container_of(work, struct wl1271, recovery_work); |
| 1112 | |
| 1113 | mutex_lock(&wl->mutex); |
| 1114 | |
| 1115 | if (wl->state != WL1271_STATE_ON) |
| 1116 | goto out; |
| 1117 | |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame^] | 1118 | /* Avoid a recursive recovery */ |
| 1119 | set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1120 | |
Arik Nemtsov | 52dcaf5 | 2011-04-18 14:15:24 +0300 | [diff] [blame] | 1121 | wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", |
| 1122 | wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1123 | |
Juuso Oikarinen | d25611d | 2010-09-30 10:43:27 +0200 | [diff] [blame] | 1124 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1125 | ieee80211_connection_loss(wl->vif); |
| 1126 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1127 | /* Prevent spurious TX during FW restart */ |
| 1128 | ieee80211_stop_queues(wl->hw); |
| 1129 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 1130 | if (wl->sched_scanning) { |
| 1131 | ieee80211_sched_scan_stopped(wl->hw); |
| 1132 | wl->sched_scanning = false; |
| 1133 | } |
| 1134 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1135 | /* reboot the chipset */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1136 | __wl1271_op_remove_interface(wl, false); |
Ido Yariv | baacb9ae | 2011-06-06 14:57:05 +0300 | [diff] [blame^] | 1137 | |
| 1138 | clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); |
| 1139 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1140 | ieee80211_restart_hw(wl->hw); |
| 1141 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1142 | /* |
| 1143 | * Its safe to enable TX now - the queues are stopped after a request |
| 1144 | * to restart the HW. |
| 1145 | */ |
| 1146 | ieee80211_wake_queues(wl->hw); |
| 1147 | |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1148 | out: |
| 1149 | mutex_unlock(&wl->mutex); |
| 1150 | } |
| 1151 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1152 | static void wl1271_fw_wakeup(struct wl1271 *wl) |
| 1153 | { |
| 1154 | u32 elp_reg; |
| 1155 | |
| 1156 | elp_reg = ELPCTRL_WAKE_UP; |
Juuso Oikarinen | 7462141 | 2009-10-12 15:08:54 +0300 | [diff] [blame] | 1157 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1158 | } |
| 1159 | |
| 1160 | static int wl1271_setup(struct wl1271 *wl) |
| 1161 | { |
| 1162 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); |
| 1163 | if (!wl->fw_status) |
| 1164 | return -ENOMEM; |
| 1165 | |
| 1166 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); |
| 1167 | if (!wl->tx_res_if) { |
| 1168 | kfree(wl->fw_status); |
| 1169 | return -ENOMEM; |
| 1170 | } |
| 1171 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1172 | return 0; |
| 1173 | } |
| 1174 | |
| 1175 | static int wl1271_chip_wakeup(struct wl1271 *wl) |
| 1176 | { |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1177 | struct wl1271_partition_set partition; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1178 | int ret = 0; |
| 1179 | |
Juuso Oikarinen | 01ac17e | 2009-12-11 15:41:02 +0200 | [diff] [blame] | 1180 | msleep(WL1271_PRE_POWER_ON_SLEEP); |
Ohad Ben-Cohen | 2cc78ff | 2010-09-16 01:22:04 +0200 | [diff] [blame] | 1181 | ret = wl1271_power_on(wl); |
| 1182 | if (ret < 0) |
| 1183 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1184 | msleep(WL1271_POWER_ON_SLEEP); |
Teemu Paasikivi | 9b28072 | 2010-02-18 13:25:56 +0200 | [diff] [blame] | 1185 | wl1271_io_reset(wl); |
| 1186 | wl1271_io_init(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1187 | |
| 1188 | /* We don't need a real memory partition here, because we only want |
| 1189 | * to use the registers at this point. */ |
Juuso Oikarinen | 451de97 | 2009-10-12 15:08:46 +0300 | [diff] [blame] | 1190 | memset(&partition, 0, sizeof(partition)); |
| 1191 | partition.reg.start = REGISTERS_BASE; |
| 1192 | partition.reg.size = REGISTERS_DOWN_SIZE; |
| 1193 | wl1271_set_partition(wl, &partition); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1194 | |
| 1195 | /* ELP module wake up */ |
| 1196 | wl1271_fw_wakeup(wl); |
| 1197 | |
| 1198 | /* whal_FwCtrl_BootSm() */ |
| 1199 | |
| 1200 | /* 0. read chip id from CHIP_ID */ |
Teemu Paasikivi | 7b048c5 | 2010-02-18 13:25:55 +0200 | [diff] [blame] | 1201 | wl->chip.id = wl1271_read32(wl, CHIP_ID_B); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1202 | |
| 1203 | /* 1. check if chip id is valid */ |
| 1204 | |
| 1205 | switch (wl->chip.id) { |
| 1206 | case CHIP_ID_1271_PG10: |
| 1207 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", |
| 1208 | wl->chip.id); |
| 1209 | |
| 1210 | ret = wl1271_setup(wl); |
| 1211 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1212 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1213 | break; |
| 1214 | case CHIP_ID_1271_PG20: |
| 1215 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", |
| 1216 | wl->chip.id); |
| 1217 | |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1218 | /* |
| 1219 | * 'end-of-transaction flag' and 'LPD mode flag' |
| 1220 | * should be set in wl127x AP mode only |
| 1221 | */ |
Shahar Levi | 564f595 | 2011-04-04 10:20:39 +0300 | [diff] [blame] | 1222 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1223 | wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION | |
| 1224 | WL12XX_QUIRK_LPD_MODE); |
Shahar Levi | 564f595 | 2011-04-04 10:20:39 +0300 | [diff] [blame] | 1225 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1226 | ret = wl1271_setup(wl); |
| 1227 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1228 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1229 | break; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1230 | case CHIP_ID_1283_PG20: |
| 1231 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", |
| 1232 | wl->chip.id); |
| 1233 | |
| 1234 | ret = wl1271_setup(wl); |
| 1235 | if (ret < 0) |
| 1236 | goto out; |
Shahar Levi | 0c00504 | 2011-06-12 10:34:43 +0300 | [diff] [blame] | 1237 | |
Ido Yariv | 0da13da | 2011-03-31 10:06:58 +0200 | [diff] [blame] | 1238 | if (wl1271_set_block_size(wl)) |
| 1239 | wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; |
Shahar Levi | 0830cee | 2011-03-06 16:32:20 +0200 | [diff] [blame] | 1240 | break; |
| 1241 | case CHIP_ID_1283_PG10: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1242 | default: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1243 | wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1244 | ret = -ENODEV; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1245 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1246 | } |
| 1247 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1248 | /* Make sure the firmware type matches the BSS type */ |
| 1249 | if (wl->fw == NULL || wl->fw_bss_type != wl->bss_type) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1250 | ret = wl1271_fetch_firmware(wl); |
| 1251 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1252 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1253 | } |
| 1254 | |
| 1255 | /* No NVS from netlink, try to get it from the filesystem */ |
| 1256 | if (wl->nvs == NULL) { |
| 1257 | ret = wl1271_fetch_nvs(wl); |
| 1258 | if (ret < 0) |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1259 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1260 | } |
| 1261 | |
| 1262 | out: |
| 1263 | return ret; |
| 1264 | } |
| 1265 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1266 | int wl1271_plt_start(struct wl1271 *wl) |
| 1267 | { |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1268 | int retries = WL1271_BOOT_RETRIES; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1269 | int ret; |
| 1270 | |
| 1271 | mutex_lock(&wl->mutex); |
| 1272 | |
| 1273 | wl1271_notice("power up"); |
| 1274 | |
| 1275 | if (wl->state != WL1271_STATE_OFF) { |
| 1276 | wl1271_error("cannot go into PLT state because not " |
| 1277 | "in off state: %d", wl->state); |
| 1278 | ret = -EBUSY; |
| 1279 | goto out; |
| 1280 | } |
| 1281 | |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1282 | wl->bss_type = BSS_TYPE_STA_BSS; |
| 1283 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1284 | while (retries) { |
| 1285 | retries--; |
| 1286 | ret = wl1271_chip_wakeup(wl); |
| 1287 | if (ret < 0) |
| 1288 | goto power_off; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1289 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1290 | ret = wl1271_boot(wl); |
| 1291 | if (ret < 0) |
| 1292 | goto power_off; |
| 1293 | |
| 1294 | ret = wl1271_plt_init(wl); |
| 1295 | if (ret < 0) |
| 1296 | goto irq_disable; |
| 1297 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1298 | wl->state = WL1271_STATE_PLT; |
| 1299 | wl1271_notice("firmware booted in PLT mode (%s)", |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1300 | wl->chip.fw_ver_str); |
Luciano Coelho | e7ddf54 | 2011-03-10 15:24:57 +0200 | [diff] [blame] | 1301 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1302 | goto out; |
| 1303 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1304 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1305 | mutex_unlock(&wl->mutex); |
| 1306 | /* Unlocking the mutex in the middle of handling is |
| 1307 | inherently unsafe. In this case we deem it safe to do, |
| 1308 | because we need to let any possibly pending IRQ out of |
| 1309 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1310 | work function will not do anything.) Also, any other |
| 1311 | possible concurrent operations will fail due to the |
| 1312 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1313 | wl1271_disable_interrupts(wl); |
| 1314 | wl1271_flush_deferred_work(wl); |
| 1315 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1316 | mutex_lock(&wl->mutex); |
| 1317 | power_off: |
| 1318 | wl1271_power_off(wl); |
| 1319 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1320 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1321 | wl1271_error("firmware boot in PLT mode failed despite %d retries", |
| 1322 | WL1271_BOOT_RETRIES); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1323 | out: |
| 1324 | mutex_unlock(&wl->mutex); |
| 1325 | |
| 1326 | return ret; |
| 1327 | } |
| 1328 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 1329 | static int __wl1271_plt_stop(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1330 | { |
| 1331 | int ret = 0; |
| 1332 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1333 | wl1271_notice("power down"); |
| 1334 | |
| 1335 | if (wl->state != WL1271_STATE_PLT) { |
| 1336 | wl1271_error("cannot power down because not in PLT " |
| 1337 | "state: %d", wl->state); |
| 1338 | ret = -EBUSY; |
| 1339 | goto out; |
| 1340 | } |
| 1341 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1342 | wl1271_power_off(wl); |
| 1343 | |
| 1344 | wl->state = WL1271_STATE_OFF; |
Luciano Coelho | bd5ea18 | 2009-10-13 12:47:58 +0300 | [diff] [blame] | 1345 | wl->rx_counter = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1346 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1347 | mutex_unlock(&wl->mutex); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1348 | wl1271_disable_interrupts(wl); |
| 1349 | wl1271_flush_deferred_work(wl); |
| 1350 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1351 | cancel_work_sync(&wl->recovery_work); |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1352 | mutex_lock(&wl->mutex); |
| 1353 | out: |
| 1354 | return ret; |
| 1355 | } |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1356 | |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 1357 | int wl1271_plt_stop(struct wl1271 *wl) |
| 1358 | { |
| 1359 | int ret; |
| 1360 | |
| 1361 | mutex_lock(&wl->mutex); |
| 1362 | ret = __wl1271_plt_stop(wl); |
| 1363 | mutex_unlock(&wl->mutex); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1364 | return ret; |
| 1365 | } |
| 1366 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 1367 | 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] | 1368 | { |
| 1369 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1370 | unsigned long flags; |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 1371 | int q; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1372 | u8 hlid = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1373 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1374 | q = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); |
| 1375 | |
| 1376 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1377 | hlid = wl1271_tx_get_hlid(skb); |
| 1378 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1379 | spin_lock_irqsave(&wl->wl_lock, flags); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1380 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 1381 | wl->tx_queue_count++; |
Arik Nemtsov | f4d08dd | 2011-02-23 00:22:24 +0200 | [diff] [blame] | 1382 | |
| 1383 | /* |
| 1384 | * The workqueue is slow to process the tx_queue and we need stop |
| 1385 | * the queue here, otherwise the queue will get too long. |
| 1386 | */ |
| 1387 | if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) { |
| 1388 | wl1271_debug(DEBUG_TX, "op_tx: stopping queues"); |
| 1389 | ieee80211_stop_queues(wl->hw); |
| 1390 | set_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags); |
| 1391 | } |
| 1392 | |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1393 | /* queue the packet */ |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1394 | if (wl->bss_type == BSS_TYPE_AP_BSS) { |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 1395 | wl1271_debug(DEBUG_TX, "queue skb hlid %d q %d", hlid, q); |
| 1396 | skb_queue_tail(&wl->links[hlid].tx_queue[q], skb); |
| 1397 | } else { |
| 1398 | skb_queue_tail(&wl->tx_queue[q], skb); |
| 1399 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1400 | |
| 1401 | /* |
| 1402 | * The chip specific setup must run before the first TX packet - |
| 1403 | * before that, the tx_work will not be initialized! |
| 1404 | */ |
| 1405 | |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1406 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) && |
| 1407 | !test_bit(WL1271_FLAG_TX_PENDING, &wl->flags)) |
Ido Yariv | a522550 | 2010-10-12 14:49:10 +0200 | [diff] [blame] | 1408 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
Ido Yariv | b07d403 | 2011-03-01 15:14:43 +0200 | [diff] [blame] | 1409 | |
| 1410 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1411 | } |
| 1412 | |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1413 | int wl1271_tx_dummy_packet(struct wl1271 *wl) |
| 1414 | { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1415 | unsigned long flags; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1416 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1417 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1418 | set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags); |
| 1419 | wl->tx_queue_count++; |
| 1420 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
| 1421 | |
| 1422 | /* The FW is low on RX memory blocks, so send the dummy packet asap */ |
| 1423 | if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags)) |
| 1424 | wl1271_tx_work_locked(wl); |
| 1425 | |
| 1426 | /* |
| 1427 | * If the FW TX is busy, TX work will be scheduled by the threaded |
| 1428 | * interrupt handler function |
| 1429 | */ |
| 1430 | return 0; |
| 1431 | } |
| 1432 | |
| 1433 | /* |
| 1434 | * The size of the dummy packet should be at least 1400 bytes. However, in |
| 1435 | * order to minimize the number of bus transactions, aligning it to 512 bytes |
| 1436 | * boundaries could be beneficial, performance wise |
| 1437 | */ |
| 1438 | #define TOTAL_TX_DUMMY_PACKET_SIZE (ALIGN(1400, 512)) |
| 1439 | |
Luciano Coelho | cf27d86 | 2011-04-01 21:08:23 +0300 | [diff] [blame] | 1440 | static struct sk_buff *wl12xx_alloc_dummy_packet(struct wl1271 *wl) |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1441 | { |
| 1442 | struct sk_buff *skb; |
| 1443 | struct ieee80211_hdr_3addr *hdr; |
| 1444 | unsigned int dummy_packet_size; |
| 1445 | |
| 1446 | dummy_packet_size = TOTAL_TX_DUMMY_PACKET_SIZE - |
| 1447 | sizeof(struct wl1271_tx_hw_descr) - sizeof(*hdr); |
| 1448 | |
| 1449 | skb = dev_alloc_skb(TOTAL_TX_DUMMY_PACKET_SIZE); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1450 | if (!skb) { |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1451 | wl1271_warning("Failed to allocate a dummy packet skb"); |
| 1452 | return NULL; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr)); |
| 1456 | |
| 1457 | hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr)); |
| 1458 | memset(hdr, 0, sizeof(*hdr)); |
| 1459 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1460 | IEEE80211_STYPE_NULLFUNC | |
| 1461 | IEEE80211_FCTL_TODS); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1462 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1463 | memset(skb_put(skb, dummy_packet_size), 0, dummy_packet_size); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1464 | |
Luciano Coelho | 18b92ff | 2011-03-21 16:35:21 +0200 | [diff] [blame] | 1465 | /* Dummy packets require the TID to be management */ |
| 1466 | skb->priority = WL1271_TID_MGMT; |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1467 | |
| 1468 | /* Initialize all fields that might be used */ |
Hauke Mehrtens | 86c438f | 2011-04-26 23:27:44 +0200 | [diff] [blame] | 1469 | skb_set_queue_mapping(skb, 0); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1470 | memset(IEEE80211_SKB_CB(skb), 0, sizeof(struct ieee80211_tx_info)); |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1471 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1472 | return skb; |
Shahar Levi | ae47c45 | 2011-03-06 16:32:14 +0200 | [diff] [blame] | 1473 | } |
| 1474 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 1475 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 1476 | static struct notifier_block wl1271_dev_notifier = { |
| 1477 | .notifier_call = wl1271_dev_notify, |
| 1478 | }; |
| 1479 | |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1480 | #ifdef CONFIG_PM |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1481 | static int wl1271_configure_suspend_sta(struct wl1271 *wl) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1482 | { |
| 1483 | int ret; |
| 1484 | |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1485 | mutex_lock(&wl->mutex); |
| 1486 | |
| 1487 | ret = wl1271_ps_elp_wakeup(wl); |
| 1488 | if (ret < 0) |
| 1489 | goto out_unlock; |
| 1490 | |
| 1491 | /* enter psm if needed*/ |
| 1492 | if (!test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
| 1493 | DECLARE_COMPLETION_ONSTACK(compl); |
| 1494 | |
| 1495 | wl->ps_compl = &compl; |
| 1496 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
| 1497 | wl->basic_rate, true); |
| 1498 | if (ret < 0) |
| 1499 | goto out_sleep; |
| 1500 | |
| 1501 | /* we must unlock here so we will be able to get events */ |
| 1502 | wl1271_ps_elp_sleep(wl); |
| 1503 | mutex_unlock(&wl->mutex); |
| 1504 | |
| 1505 | ret = wait_for_completion_timeout( |
| 1506 | &compl, msecs_to_jiffies(WL1271_PS_COMPLETE_TIMEOUT)); |
| 1507 | if (ret <= 0) { |
| 1508 | wl1271_warning("couldn't enter ps mode!"); |
| 1509 | ret = -EBUSY; |
| 1510 | goto out; |
| 1511 | } |
| 1512 | |
| 1513 | /* take mutex again, and wakeup */ |
| 1514 | mutex_lock(&wl->mutex); |
| 1515 | |
| 1516 | ret = wl1271_ps_elp_wakeup(wl); |
| 1517 | if (ret < 0) |
| 1518 | goto out_unlock; |
| 1519 | } |
| 1520 | out_sleep: |
| 1521 | wl1271_ps_elp_sleep(wl); |
| 1522 | out_unlock: |
| 1523 | mutex_unlock(&wl->mutex); |
| 1524 | out: |
| 1525 | return ret; |
| 1526 | |
| 1527 | } |
| 1528 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1529 | static int wl1271_configure_suspend_ap(struct wl1271 *wl) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1530 | { |
| 1531 | int ret; |
| 1532 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1533 | mutex_lock(&wl->mutex); |
| 1534 | |
| 1535 | ret = wl1271_ps_elp_wakeup(wl); |
| 1536 | if (ret < 0) |
| 1537 | goto out_unlock; |
| 1538 | |
| 1539 | ret = wl1271_acx_set_ap_beacon_filter(wl, true); |
| 1540 | |
| 1541 | wl1271_ps_elp_sleep(wl); |
| 1542 | out_unlock: |
| 1543 | mutex_unlock(&wl->mutex); |
| 1544 | return ret; |
| 1545 | |
| 1546 | } |
| 1547 | |
| 1548 | static int wl1271_configure_suspend(struct wl1271 *wl) |
| 1549 | { |
| 1550 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
| 1551 | return wl1271_configure_suspend_sta(wl); |
| 1552 | if (wl->bss_type == BSS_TYPE_AP_BSS) |
| 1553 | return wl1271_configure_suspend_ap(wl); |
| 1554 | return 0; |
| 1555 | } |
| 1556 | |
| 1557 | static void wl1271_configure_resume(struct wl1271 *wl) |
| 1558 | { |
| 1559 | int ret; |
| 1560 | bool is_sta = wl->bss_type == BSS_TYPE_STA_BSS; |
| 1561 | bool is_ap = wl->bss_type == BSS_TYPE_AP_BSS; |
| 1562 | |
| 1563 | if (!is_sta && !is_ap) |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1564 | return; |
| 1565 | |
| 1566 | mutex_lock(&wl->mutex); |
| 1567 | ret = wl1271_ps_elp_wakeup(wl); |
| 1568 | if (ret < 0) |
| 1569 | goto out; |
| 1570 | |
Eliad Peller | 8a7cf3f | 2011-06-06 12:21:54 +0300 | [diff] [blame] | 1571 | if (is_sta) { |
| 1572 | /* exit psm if it wasn't configured */ |
| 1573 | if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) |
| 1574 | wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
| 1575 | wl->basic_rate, true); |
| 1576 | } else if (is_ap) { |
| 1577 | wl1271_acx_set_ap_beacon_filter(wl, false); |
| 1578 | } |
Eliad Peller | 9439064 | 2011-05-13 11:57:13 +0300 | [diff] [blame] | 1579 | |
| 1580 | wl1271_ps_elp_sleep(wl); |
| 1581 | out: |
| 1582 | mutex_unlock(&wl->mutex); |
| 1583 | } |
| 1584 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1585 | static int wl1271_op_suspend(struct ieee80211_hw *hw, |
| 1586 | struct cfg80211_wowlan *wow) |
| 1587 | { |
| 1588 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1589 | int ret; |
| 1590 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1591 | wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1592 | WARN_ON(!wow || !wow->any); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1593 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1594 | wl->wow_enabled = true; |
| 1595 | ret = wl1271_configure_suspend(wl); |
| 1596 | if (ret < 0) { |
| 1597 | wl1271_warning("couldn't prepare device to suspend"); |
| 1598 | return ret; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1599 | } |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1600 | /* flush any remaining work */ |
| 1601 | wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); |
| 1602 | flush_delayed_work(&wl->scan_complete_work); |
| 1603 | |
| 1604 | /* |
| 1605 | * disable and re-enable interrupts in order to flush |
| 1606 | * the threaded_irq |
| 1607 | */ |
| 1608 | wl1271_disable_interrupts(wl); |
| 1609 | |
| 1610 | /* |
| 1611 | * set suspended flag to avoid triggering a new threaded_irq |
| 1612 | * work. no need for spinlock as interrupts are disabled. |
| 1613 | */ |
| 1614 | set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1615 | |
| 1616 | wl1271_enable_interrupts(wl); |
| 1617 | flush_work(&wl->tx_work); |
| 1618 | flush_delayed_work(&wl->pspoll_work); |
| 1619 | flush_delayed_work(&wl->elp_work); |
| 1620 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1621 | return 0; |
| 1622 | } |
| 1623 | |
| 1624 | static int wl1271_op_resume(struct ieee80211_hw *hw) |
| 1625 | { |
| 1626 | struct wl1271 *wl = hw->priv; |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1627 | unsigned long flags; |
| 1628 | bool run_irq_work = false; |
| 1629 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1630 | wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", |
| 1631 | wl->wow_enabled); |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1632 | WARN_ON(!wl->wow_enabled); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1633 | |
| 1634 | /* |
| 1635 | * re-enable irq_work enqueuing, and call irq_work directly if |
| 1636 | * there is a pending work. |
| 1637 | */ |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1638 | spin_lock_irqsave(&wl->wl_lock, flags); |
| 1639 | clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); |
| 1640 | if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) |
| 1641 | run_irq_work = true; |
| 1642 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1643 | |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1644 | if (run_irq_work) { |
| 1645 | wl1271_debug(DEBUG_MAC80211, |
| 1646 | "run postponed irq_work directly"); |
| 1647 | wl1271_irq(0, wl); |
| 1648 | wl1271_enable_interrupts(wl); |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1649 | } |
Eliad Peller | 4a859df | 2011-06-06 12:21:52 +0300 | [diff] [blame] | 1650 | wl1271_configure_resume(wl); |
Eliad Peller | ff91afc | 2011-06-06 12:21:53 +0300 | [diff] [blame] | 1651 | wl->wow_enabled = false; |
Eliad Peller | f44e586 | 2011-05-13 11:57:11 +0300 | [diff] [blame] | 1652 | |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1653 | return 0; |
| 1654 | } |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 1655 | #endif |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 1656 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1657 | static int wl1271_op_start(struct ieee80211_hw *hw) |
| 1658 | { |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1659 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); |
| 1660 | |
| 1661 | /* |
| 1662 | * We have to delay the booting of the hardware because |
| 1663 | * we need to know the local MAC address before downloading and |
| 1664 | * initializing the firmware. The MAC address cannot be changed |
| 1665 | * after boot, and without the proper MAC address, the firmware |
| 1666 | * will not function properly. |
| 1667 | * |
| 1668 | * The MAC address is first known when the corresponding interface |
| 1669 | * is added. That is where we will initialize the hardware. |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 1670 | * |
| 1671 | * In addition, we currently have different firmwares for AP and managed |
| 1672 | * operation. We will know which to boot according to interface type. |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1673 | */ |
| 1674 | |
| 1675 | return 0; |
| 1676 | } |
| 1677 | |
| 1678 | static void wl1271_op_stop(struct ieee80211_hw *hw) |
| 1679 | { |
| 1680 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); |
| 1681 | } |
| 1682 | |
| 1683 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, |
| 1684 | struct ieee80211_vif *vif) |
| 1685 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1686 | struct wl1271 *wl = hw->priv; |
John W. Linville | ac01e94 | 2010-07-28 17:09:41 -0400 | [diff] [blame] | 1687 | struct wiphy *wiphy = hw->wiphy; |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1688 | int retries = WL1271_BOOT_RETRIES; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1689 | int ret = 0; |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1690 | bool booted = false; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1691 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1692 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
| 1693 | vif->type, vif->addr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1694 | |
| 1695 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1696 | if (wl->vif) { |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1697 | wl1271_debug(DEBUG_MAC80211, |
| 1698 | "multiple vifs are not supported yet"); |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1699 | ret = -EBUSY; |
| 1700 | goto out; |
| 1701 | } |
| 1702 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1703 | /* |
| 1704 | * in some very corner case HW recovery scenarios its possible to |
| 1705 | * get here before __wl1271_op_remove_interface is complete, so |
| 1706 | * opt out if that is the case. |
| 1707 | */ |
| 1708 | if (test_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags)) { |
| 1709 | ret = -EBUSY; |
| 1710 | goto out; |
| 1711 | } |
| 1712 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1713 | switch (vif->type) { |
| 1714 | case NL80211_IFTYPE_STATION: |
| 1715 | wl->bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1716 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1717 | break; |
| 1718 | case NL80211_IFTYPE_ADHOC: |
| 1719 | wl->bss_type = BSS_TYPE_IBSS; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1720 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1721 | break; |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 1722 | case NL80211_IFTYPE_AP: |
| 1723 | wl->bss_type = BSS_TYPE_AP_BSS; |
| 1724 | break; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1725 | default: |
| 1726 | ret = -EOPNOTSUPP; |
| 1727 | goto out; |
| 1728 | } |
| 1729 | |
| 1730 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1731 | |
| 1732 | if (wl->state != WL1271_STATE_OFF) { |
| 1733 | wl1271_error("cannot start because not in off state: %d", |
| 1734 | wl->state); |
| 1735 | ret = -EBUSY; |
| 1736 | goto out; |
| 1737 | } |
| 1738 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1739 | while (retries) { |
| 1740 | retries--; |
| 1741 | ret = wl1271_chip_wakeup(wl); |
| 1742 | if (ret < 0) |
| 1743 | goto power_off; |
| 1744 | |
| 1745 | ret = wl1271_boot(wl); |
| 1746 | if (ret < 0) |
| 1747 | goto power_off; |
| 1748 | |
| 1749 | ret = wl1271_hw_init(wl); |
| 1750 | if (ret < 0) |
| 1751 | goto irq_disable; |
| 1752 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1753 | booted = true; |
| 1754 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1755 | |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1756 | irq_disable: |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1757 | mutex_unlock(&wl->mutex); |
| 1758 | /* Unlocking the mutex in the middle of handling is |
| 1759 | inherently unsafe. In this case we deem it safe to do, |
| 1760 | because we need to let any possibly pending IRQ out of |
| 1761 | the system (and while we are WL1271_STATE_OFF the IRQ |
| 1762 | work function will not do anything.) Also, any other |
| 1763 | possible concurrent operations will fail due to the |
| 1764 | current state, hence the wl1271 struct should be safe. */ |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1765 | wl1271_disable_interrupts(wl); |
| 1766 | wl1271_flush_deferred_work(wl); |
| 1767 | cancel_work_sync(&wl->netstack_work); |
Juuso Oikarinen | 9ccd921 | 2009-12-11 15:41:01 +0200 | [diff] [blame] | 1768 | mutex_lock(&wl->mutex); |
| 1769 | power_off: |
| 1770 | wl1271_power_off(wl); |
| 1771 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1772 | |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1773 | if (!booted) { |
| 1774 | wl1271_error("firmware boot failed despite %d retries", |
| 1775 | WL1271_BOOT_RETRIES); |
| 1776 | goto out; |
| 1777 | } |
| 1778 | |
| 1779 | wl->vif = vif; |
| 1780 | wl->state = WL1271_STATE_ON; |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1781 | set_bit(WL1271_FLAG_IF_INITIALIZED, &wl->flags); |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1782 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver_str); |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1783 | |
| 1784 | /* update hw/fw version info in wiphy struct */ |
| 1785 | wiphy->hw_version = wl->chip.id; |
Levi, Shahar | 4b7fac7 | 2011-01-23 07:27:22 +0100 | [diff] [blame] | 1786 | strncpy(wiphy->fw_version, wl->chip.fw_ver_str, |
Eliad Peller | 71125ab | 2010-10-28 21:46:43 +0200 | [diff] [blame] | 1787 | sizeof(wiphy->fw_version)); |
| 1788 | |
Luciano Coelho | fb6a681 | 2010-12-03 17:05:40 +0200 | [diff] [blame] | 1789 | /* |
| 1790 | * Now we know if 11a is supported (info from the NVS), so disable |
| 1791 | * 11a channels if not supported |
| 1792 | */ |
| 1793 | if (!wl->enable_11a) |
| 1794 | wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0; |
| 1795 | |
| 1796 | wl1271_debug(DEBUG_MAC80211, "11a is %ssupported", |
| 1797 | wl->enable_11a ? "" : "not "); |
| 1798 | |
Juuso Oikarinen | eb5b28d | 2009-10-13 12:47:45 +0300 | [diff] [blame] | 1799 | out: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1800 | mutex_unlock(&wl->mutex); |
| 1801 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1802 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | eb887df | 2010-07-08 17:49:58 +0300 | [diff] [blame] | 1803 | if (!ret) |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1804 | list_add(&wl->list, &wl_list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1805 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1806 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1807 | return ret; |
| 1808 | } |
| 1809 | |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1810 | static void __wl1271_op_remove_interface(struct wl1271 *wl, |
| 1811 | bool reset_tx_queues) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1812 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1813 | int i; |
| 1814 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1815 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1816 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1817 | /* because of hardware recovery, we may get here twice */ |
| 1818 | if (wl->state != WL1271_STATE_ON) |
| 1819 | return; |
| 1820 | |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1821 | wl1271_info("down"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1822 | |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1823 | mutex_lock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1824 | list_del(&wl->list); |
Juuso Oikarinen | f9f774c | 2011-03-21 10:43:36 +0200 | [diff] [blame] | 1825 | mutex_unlock(&wl_list_mutex); |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 1826 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1827 | /* enable dyn ps just in case (if left on due to fw crash etc) */ |
Juuso Oikarinen | 9a547bf | 2010-07-08 17:50:04 +0300 | [diff] [blame] | 1828 | if (wl->bss_type == BSS_TYPE_STA_BSS) |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 1829 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 1830 | |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1831 | if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { |
Luciano Coelho | 08688d6 | 2010-07-08 17:50:07 +0300 | [diff] [blame] | 1832 | wl->scan.state = WL1271_SCAN_STATE_IDLE; |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 1833 | memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 1834 | wl->scan.req = NULL; |
Juuso Oikarinen | 76a029f | 2010-07-29 04:54:45 +0300 | [diff] [blame] | 1835 | ieee80211_scan_completed(wl->hw, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1836 | } |
| 1837 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1838 | /* |
| 1839 | * this must be before the cancel_work calls below, so that the work |
| 1840 | * functions don't perform further work. |
| 1841 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1842 | wl->state = WL1271_STATE_OFF; |
| 1843 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1844 | mutex_unlock(&wl->mutex); |
| 1845 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1846 | wl1271_disable_interrupts(wl); |
| 1847 | wl1271_flush_deferred_work(wl); |
Juuso Oikarinen | 78abd32 | 2010-09-21 06:23:32 +0200 | [diff] [blame] | 1848 | cancel_delayed_work_sync(&wl->scan_complete_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 1849 | cancel_work_sync(&wl->netstack_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1850 | cancel_work_sync(&wl->tx_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 1851 | del_timer_sync(&wl->rx_streaming_timer); |
| 1852 | cancel_work_sync(&wl->rx_streaming_enable_work); |
| 1853 | cancel_work_sync(&wl->rx_streaming_disable_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 1854 | cancel_delayed_work_sync(&wl->pspoll_work); |
Juuso Oikarinen | 8c7f4f3 | 2010-09-21 06:23:29 +0200 | [diff] [blame] | 1855 | cancel_delayed_work_sync(&wl->elp_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1856 | |
| 1857 | mutex_lock(&wl->mutex); |
| 1858 | |
| 1859 | /* let's notify MAC80211 about the remaining pending TX frames */ |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1860 | wl1271_tx_reset(wl, reset_tx_queues); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1861 | wl1271_power_off(wl); |
| 1862 | |
| 1863 | memset(wl->bssid, 0, ETH_ALEN); |
| 1864 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); |
| 1865 | wl->ssid_len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1866 | wl->bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1867 | wl->set_bss_type = MAX_BSS_TYPE; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 1868 | wl->band = IEEE80211_BAND_2GHZ; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1869 | |
| 1870 | wl->rx_counter = 0; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 1871 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1872 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
| 1873 | wl->tx_blocks_available = 0; |
Ido Yariv | d2f4d47 | 2011-03-31 10:07:00 +0200 | [diff] [blame] | 1874 | wl->tx_allocated_blocks = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1875 | wl->tx_results_count = 0; |
| 1876 | wl->tx_packets_count = 0; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 1877 | wl->tx_security_last_seq = 0; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 1878 | wl->tx_security_seq = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1879 | wl->time_offset = 0; |
| 1880 | wl->session_counter = 0; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 1881 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 1b72aec | 2010-03-18 12:26:39 +0200 | [diff] [blame] | 1882 | wl->vif = NULL; |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1883 | wl->filters = 0; |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 1884 | wl1271_free_ap_keys(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 1885 | memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map)); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 1886 | wl->ap_fw_ps_map = 0; |
| 1887 | wl->ap_ps_map = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 1888 | wl->sched_scanning = false; |
Luciano Coelho | d6e19d1 | 2009-10-12 15:08:43 +0300 | [diff] [blame] | 1889 | |
Juuso Oikarinen | 13026de | 2011-03-29 16:43:50 +0300 | [diff] [blame] | 1890 | /* |
| 1891 | * this is performed after the cancel_work calls and the associated |
| 1892 | * mutex_lock, so that wl1271_op_add_interface does not accidentally |
| 1893 | * get executed before all these vars have been reset. |
| 1894 | */ |
| 1895 | wl->flags = 0; |
| 1896 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1897 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 1898 | wl->tx_blocks_freed[i] = 0; |
| 1899 | |
| 1900 | wl1271_debugfs_reset(wl); |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 1901 | |
| 1902 | kfree(wl->fw_status); |
| 1903 | wl->fw_status = NULL; |
| 1904 | kfree(wl->tx_res_if); |
| 1905 | wl->tx_res_if = NULL; |
| 1906 | kfree(wl->target_mem_map); |
| 1907 | wl->target_mem_map = NULL; |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 1908 | } |
Juuso Oikarinen | bd9dc49 | 2010-04-09 11:07:26 +0300 | [diff] [blame] | 1909 | |
Juuso Oikarinen | 52a2a37 | 2010-09-21 06:23:30 +0200 | [diff] [blame] | 1910 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, |
| 1911 | struct ieee80211_vif *vif) |
| 1912 | { |
| 1913 | struct wl1271 *wl = hw->priv; |
| 1914 | |
| 1915 | mutex_lock(&wl->mutex); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1916 | /* |
| 1917 | * wl->vif can be null here if someone shuts down the interface |
| 1918 | * just when hardware recovery has been started. |
| 1919 | */ |
| 1920 | if (wl->vif) { |
| 1921 | WARN_ON(wl->vif != vif); |
Arik Nemtsov | 7dece1c | 2011-04-18 14:15:28 +0300 | [diff] [blame] | 1922 | __wl1271_op_remove_interface(wl, true); |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1923 | } |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1924 | |
Juuso Oikarinen | 6735329 | 2010-11-18 15:19:02 +0200 | [diff] [blame] | 1925 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 52b0e7a | 2010-09-21 06:23:31 +0200 | [diff] [blame] | 1926 | cancel_work_sync(&wl->recovery_work); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 1927 | } |
| 1928 | |
Ohad Ben-Cohen | c574518 | 2011-03-30 16:35:59 +0200 | [diff] [blame] | 1929 | void wl1271_configure_filters(struct wl1271 *wl, unsigned int filters) |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1930 | { |
Arik Nemtsov | ae113b5 | 2010-10-16 18:45:07 +0200 | [diff] [blame] | 1931 | wl1271_set_default_filters(wl); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1932 | |
| 1933 | /* combine requested filters with current filter config */ |
| 1934 | filters = wl->filters | filters; |
| 1935 | |
| 1936 | wl1271_debug(DEBUG_FILTERS, "RX filters set: "); |
| 1937 | |
| 1938 | if (filters & FIF_PROMISC_IN_BSS) { |
| 1939 | wl1271_debug(DEBUG_FILTERS, " - FIF_PROMISC_IN_BSS"); |
| 1940 | wl->rx_config &= ~CFG_UNI_FILTER_EN; |
| 1941 | wl->rx_config |= CFG_BSSID_FILTER_EN; |
| 1942 | } |
| 1943 | if (filters & FIF_BCN_PRBRESP_PROMISC) { |
| 1944 | wl1271_debug(DEBUG_FILTERS, " - FIF_BCN_PRBRESP_PROMISC"); |
| 1945 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 1946 | wl->rx_config &= ~CFG_SSID_FILTER_EN; |
| 1947 | } |
| 1948 | if (filters & FIF_OTHER_BSS) { |
| 1949 | wl1271_debug(DEBUG_FILTERS, " - FIF_OTHER_BSS"); |
| 1950 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; |
| 1951 | } |
| 1952 | if (filters & FIF_CONTROL) { |
| 1953 | wl1271_debug(DEBUG_FILTERS, " - FIF_CONTROL"); |
| 1954 | wl->rx_filter |= CFG_RX_CTL_EN; |
| 1955 | } |
| 1956 | if (filters & FIF_FCSFAIL) { |
| 1957 | wl1271_debug(DEBUG_FILTERS, " - FIF_FCSFAIL"); |
| 1958 | wl->rx_filter |= CFG_RX_FCS_ERROR; |
| 1959 | } |
| 1960 | } |
| 1961 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 1962 | static int wl1271_dummy_join(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1963 | { |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 1964 | int ret = 0; |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1965 | /* we need to use a dummy BSSID for now */ |
| 1966 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, |
| 1967 | 0xad, 0xbe, 0xef }; |
| 1968 | |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1969 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); |
| 1970 | |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 1971 | /* pass through frames from all BSS */ |
| 1972 | wl1271_configure_filters(wl, FIF_OTHER_BSS); |
| 1973 | |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 1974 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1975 | if (ret < 0) |
| 1976 | goto out; |
| 1977 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 1978 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 1979 | |
| 1980 | out: |
| 1981 | return ret; |
| 1982 | } |
| 1983 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1984 | static int wl1271_join(struct wl1271 *wl, bool set_assoc) |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 1985 | { |
| 1986 | int ret; |
| 1987 | |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1988 | /* |
| 1989 | * One of the side effects of the JOIN command is that is clears |
| 1990 | * WPA/WPA2 keys from the chipset. Performing a JOIN while associated |
| 1991 | * 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] | 1992 | * Currently the only valid scenario for JOIN during association |
| 1993 | * is on roaming, in which case we will also be given new keys. |
| 1994 | * Keep the below message for now, unless it starts bothering |
| 1995 | * users who really like to roam a lot :) |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 1996 | */ |
| 1997 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 1998 | wl1271_info("JOIN while associated."); |
| 1999 | |
| 2000 | if (set_assoc) |
| 2001 | set_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); |
| 2002 | |
Juuso Oikarinen | 82429d3 | 2010-04-28 09:50:01 +0300 | [diff] [blame] | 2003 | ret = wl1271_cmd_join(wl, wl->set_bss_type); |
| 2004 | if (ret < 0) |
| 2005 | goto out; |
| 2006 | |
| 2007 | set_bit(WL1271_FLAG_JOINED, &wl->flags); |
| 2008 | |
| 2009 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 2010 | goto out; |
| 2011 | |
| 2012 | /* |
| 2013 | * The join command disable the keep-alive mode, shut down its process, |
| 2014 | * and also clear the template config, so we need to reset it all after |
| 2015 | * the join. The acx_aid starts the keep-alive process, and the order |
| 2016 | * of the commands below is relevant. |
| 2017 | */ |
| 2018 | ret = wl1271_acx_keep_alive_mode(wl, true); |
| 2019 | if (ret < 0) |
| 2020 | goto out; |
| 2021 | |
| 2022 | ret = wl1271_acx_aid(wl, wl->aid); |
| 2023 | if (ret < 0) |
| 2024 | goto out; |
| 2025 | |
| 2026 | ret = wl1271_cmd_build_klv_null_data(wl); |
| 2027 | if (ret < 0) |
| 2028 | goto out; |
| 2029 | |
| 2030 | ret = wl1271_acx_keep_alive_config(wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 2031 | ACX_KEEP_ALIVE_TPL_VALID); |
| 2032 | if (ret < 0) |
| 2033 | goto out; |
| 2034 | |
| 2035 | out: |
| 2036 | return ret; |
| 2037 | } |
| 2038 | |
| 2039 | static int wl1271_unjoin(struct wl1271 *wl) |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2040 | { |
| 2041 | int ret; |
| 2042 | |
| 2043 | /* to stop listening to a channel, we disconnect */ |
| 2044 | ret = wl1271_cmd_disconnect(wl); |
| 2045 | if (ret < 0) |
| 2046 | goto out; |
| 2047 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2048 | clear_bit(WL1271_FLAG_JOINED, &wl->flags); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2049 | memset(wl->bssid, 0, ETH_ALEN); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2050 | |
Ohad Ben-Cohen | c574518 | 2011-03-30 16:35:59 +0200 | [diff] [blame] | 2051 | /* stop filtering packets based on bssid */ |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2052 | wl1271_configure_filters(wl, FIF_OTHER_BSS); |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2053 | |
| 2054 | out: |
| 2055 | return ret; |
| 2056 | } |
| 2057 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2058 | static void wl1271_set_band_rate(struct wl1271 *wl) |
| 2059 | { |
| 2060 | if (wl->band == IEEE80211_BAND_2GHZ) |
| 2061 | wl->basic_rate_set = wl->conf.tx.basic_rate; |
| 2062 | else |
| 2063 | wl->basic_rate_set = wl->conf.tx.basic_rate_5; |
| 2064 | } |
| 2065 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2066 | static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle) |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2067 | { |
| 2068 | int ret; |
| 2069 | |
| 2070 | if (idle) { |
| 2071 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 2072 | ret = wl1271_unjoin(wl); |
| 2073 | if (ret < 0) |
| 2074 | goto out; |
| 2075 | } |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 2076 | wl->rate_set = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 2077 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2078 | if (ret < 0) |
| 2079 | goto out; |
| 2080 | ret = wl1271_acx_keep_alive_config( |
| 2081 | wl, CMD_TEMPL_KLV_IDX_NULL_DATA, |
| 2082 | ACX_KEEP_ALIVE_TPL_INVALID); |
| 2083 | if (ret < 0) |
| 2084 | goto out; |
| 2085 | set_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2086 | } else { |
| 2087 | /* increment the session counter */ |
| 2088 | wl->session_counter++; |
| 2089 | if (wl->session_counter >= SESSION_COUNTER_MAX) |
| 2090 | wl->session_counter = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2091 | |
| 2092 | /* The current firmware only supports sched_scan in idle */ |
| 2093 | if (wl->sched_scanning) { |
| 2094 | wl1271_scan_sched_scan_stop(wl); |
| 2095 | ieee80211_sched_scan_stopped(wl->hw); |
| 2096 | } |
| 2097 | |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2098 | ret = wl1271_dummy_join(wl); |
| 2099 | if (ret < 0) |
| 2100 | goto out; |
| 2101 | clear_bit(WL1271_FLAG_IDLE, &wl->flags); |
| 2102 | } |
| 2103 | |
| 2104 | out: |
| 2105 | return ret; |
| 2106 | } |
| 2107 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2108 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
| 2109 | { |
| 2110 | struct wl1271 *wl = hw->priv; |
| 2111 | struct ieee80211_conf *conf = &hw->conf; |
| 2112 | int channel, ret = 0; |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2113 | bool is_ap; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2114 | |
| 2115 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); |
| 2116 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2117 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s" |
| 2118 | " changed 0x%x", |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2119 | channel, |
| 2120 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", |
Luciano Coelho | c7f43e4 | 2009-12-11 15:40:44 +0200 | [diff] [blame] | 2121 | conf->power_level, |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2122 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use", |
| 2123 | changed); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2124 | |
Juuso Oikarinen | 781608c | 2010-05-24 11:18:17 +0300 | [diff] [blame] | 2125 | /* |
| 2126 | * mac80211 will go to idle nearly immediately after transmitting some |
| 2127 | * frames, such as the deauth. To make sure those frames reach the air, |
| 2128 | * wait here until the TX queue is fully flushed. |
| 2129 | */ |
| 2130 | if ((changed & IEEE80211_CONF_CHANGE_IDLE) && |
| 2131 | (conf->flags & IEEE80211_CONF_IDLE)) |
| 2132 | wl1271_tx_flush(wl); |
| 2133 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2134 | mutex_lock(&wl->mutex); |
| 2135 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2136 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
Arik Nemtsov | 17e672d | 2011-03-22 10:07:47 +0200 | [diff] [blame] | 2137 | /* we support configuring the channel and band while off */ |
| 2138 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) { |
| 2139 | wl->band = conf->channel->band; |
| 2140 | wl->channel = channel; |
| 2141 | } |
| 2142 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2143 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2144 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 2145 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2146 | is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2147 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2148 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2149 | if (ret < 0) |
| 2150 | goto out; |
| 2151 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2152 | /* if the channel changes while joined, join again */ |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 2153 | if (changed & IEEE80211_CONF_CHANGE_CHANNEL && |
| 2154 | ((wl->band != conf->channel->band) || |
| 2155 | (wl->channel != channel))) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2156 | wl->band = conf->channel->band; |
| 2157 | wl->channel = channel; |
| 2158 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2159 | if (!is_ap) { |
| 2160 | /* |
| 2161 | * FIXME: the mac80211 should really provide a fixed |
| 2162 | * rate to use here. for now, just use the smallest |
| 2163 | * possible rate for the band as a fixed rate for |
| 2164 | * association frames and other control messages. |
| 2165 | */ |
| 2166 | if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) |
| 2167 | wl1271_set_band_rate(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2168 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2169 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 2170 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2171 | if (ret < 0) |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2172 | wl1271_warning("rate policy for channel " |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2173 | "failed %d", ret); |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2174 | |
| 2175 | if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) { |
| 2176 | ret = wl1271_join(wl, false); |
| 2177 | if (ret < 0) |
| 2178 | wl1271_warning("cmd join on channel " |
| 2179 | "failed %d", ret); |
| 2180 | } |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 2181 | } |
| 2182 | } |
| 2183 | |
Arik Nemtsov | bee0ffe | 2010-10-16 19:17:02 +0200 | [diff] [blame] | 2184 | if (changed & IEEE80211_CONF_CHANGE_IDLE && !is_ap) { |
| 2185 | ret = wl1271_sta_handle_idle(wl, |
| 2186 | conf->flags & IEEE80211_CONF_IDLE); |
Juuso Oikarinen | 0d58cbf | 2010-05-24 11:18:16 +0300 | [diff] [blame] | 2187 | if (ret < 0) |
| 2188 | wl1271_warning("idle mode change failed %d", ret); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2189 | } |
| 2190 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 2191 | /* |
| 2192 | * if mac80211 changes the PSM mode, make sure the mode is not |
| 2193 | * incorrectly changed after the pspoll failure active window. |
| 2194 | */ |
| 2195 | if (changed & IEEE80211_CONF_CHANGE_PS) |
| 2196 | clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags); |
| 2197 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2198 | if (conf->flags & IEEE80211_CONF_PS && |
| 2199 | !test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
| 2200 | set_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2201 | |
| 2202 | /* |
| 2203 | * We enter PSM only if we're already associated. |
| 2204 | * If we're not, we'll enter it when joining an SSID, |
| 2205 | * through the bss_info_changed() hook. |
| 2206 | */ |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 2207 | if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2208 | wl1271_debug(DEBUG_PSM, "psm enabled"); |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 2209 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 2210 | wl->basic_rate, true); |
Juuso Oikarinen | af5e084 | 2009-12-11 15:41:00 +0200 | [diff] [blame] | 2211 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2212 | } else if (!(conf->flags & IEEE80211_CONF_PS) && |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2213 | test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) { |
Juuso Oikarinen | 18f8d46 | 2010-02-22 08:38:34 +0200 | [diff] [blame] | 2214 | wl1271_debug(DEBUG_PSM, "psm disabled"); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2215 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2216 | clear_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2217 | |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 2218 | if (test_bit(WL1271_FLAG_PSM, &wl->flags)) |
Juuso Oikarinen | d8c42c0 | 2010-02-18 13:25:36 +0200 | [diff] [blame] | 2219 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 2220 | wl->basic_rate, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2221 | } |
| 2222 | |
| 2223 | if (conf->power_level != wl->power_level) { |
| 2224 | ret = wl1271_acx_tx_power(wl, conf->power_level); |
| 2225 | if (ret < 0) |
Juuso Oikarinen | c6317a5 | 2009-11-02 20:22:08 +0200 | [diff] [blame] | 2226 | goto out_sleep; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2227 | |
| 2228 | wl->power_level = conf->power_level; |
| 2229 | } |
| 2230 | |
| 2231 | out_sleep: |
| 2232 | wl1271_ps_elp_sleep(wl); |
| 2233 | |
| 2234 | out: |
| 2235 | mutex_unlock(&wl->mutex); |
| 2236 | |
| 2237 | return ret; |
| 2238 | } |
| 2239 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2240 | struct wl1271_filter_params { |
| 2241 | bool enabled; |
| 2242 | int mc_list_length; |
| 2243 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; |
| 2244 | }; |
| 2245 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2246 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, |
| 2247 | struct netdev_hw_addr_list *mc_list) |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2248 | { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2249 | struct wl1271_filter_params *fp; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2250 | struct netdev_hw_addr *ha; |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2251 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2252 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2253 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 2254 | return 0; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2255 | |
Juuso Oikarinen | 7444113 | 2009-10-13 12:47:53 +0300 | [diff] [blame] | 2256 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2257 | if (!fp) { |
| 2258 | wl1271_error("Out of memory setting filters."); |
| 2259 | return 0; |
| 2260 | } |
| 2261 | |
| 2262 | /* update multicast filtering parameters */ |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2263 | fp->mc_list_length = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2264 | if (netdev_hw_addr_list_count(mc_list) > ACX_MC_ADDRESS_GROUP_MAX) { |
| 2265 | fp->enabled = false; |
| 2266 | } else { |
| 2267 | fp->enabled = true; |
| 2268 | netdev_hw_addr_list_for_each(ha, mc_list) { |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2269 | memcpy(fp->mc_list[fp->mc_list_length], |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2270 | ha->addr, ETH_ALEN); |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2271 | fp->mc_list_length++; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 2272 | } |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2273 | } |
| 2274 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2275 | return (u64)(unsigned long)fp; |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2276 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2277 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2278 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
| 2279 | FIF_ALLMULTI | \ |
| 2280 | FIF_FCSFAIL | \ |
| 2281 | FIF_BCN_PRBRESP_PROMISC | \ |
| 2282 | FIF_CONTROL | \ |
| 2283 | FIF_OTHER_BSS) |
| 2284 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2285 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
| 2286 | unsigned int changed, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 2287 | unsigned int *total, u64 multicast) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2288 | { |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2289 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2290 | struct wl1271 *wl = hw->priv; |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2291 | int ret; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2292 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2293 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter changed %x" |
| 2294 | " total %x", changed, *total); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2295 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2296 | mutex_lock(&wl->mutex); |
| 2297 | |
Saravanan Dhanabal | 2c10bb9 | 2010-04-09 11:07:27 +0300 | [diff] [blame] | 2298 | *total &= WL1271_SUPPORTED_FILTERS; |
| 2299 | changed &= WL1271_SUPPORTED_FILTERS; |
| 2300 | |
| 2301 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2302 | goto out; |
| 2303 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2304 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2305 | if (ret < 0) |
| 2306 | goto out; |
| 2307 | |
Arik Nemtsov | 7d05786 | 2010-10-16 19:25:35 +0200 | [diff] [blame] | 2308 | if (wl->bss_type != BSS_TYPE_AP_BSS) { |
| 2309 | if (*total & FIF_ALLMULTI) |
| 2310 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); |
| 2311 | else if (fp) |
| 2312 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, |
| 2313 | fp->mc_list, |
| 2314 | fp->mc_list_length); |
| 2315 | if (ret < 0) |
| 2316 | goto out_sleep; |
| 2317 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2318 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2319 | /* determine, whether supported filter values have changed */ |
| 2320 | if (changed == 0) |
| 2321 | goto out_sleep; |
| 2322 | |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2323 | /* configure filters */ |
| 2324 | wl->filters = *total; |
| 2325 | wl1271_configure_filters(wl, 0); |
| 2326 | |
Juuso Oikarinen | b54853f | 2009-10-13 12:47:59 +0300 | [diff] [blame] | 2327 | /* apply configured filters */ |
| 2328 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); |
| 2329 | if (ret < 0) |
| 2330 | goto out_sleep; |
| 2331 | |
| 2332 | out_sleep: |
| 2333 | wl1271_ps_elp_sleep(wl); |
| 2334 | |
| 2335 | out: |
| 2336 | mutex_unlock(&wl->mutex); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 2337 | kfree(fp); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2338 | } |
| 2339 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2340 | static int wl1271_record_ap_key(struct wl1271 *wl, u8 id, u8 key_type, |
| 2341 | u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32, |
| 2342 | u16 tx_seq_16) |
| 2343 | { |
| 2344 | struct wl1271_ap_key *ap_key; |
| 2345 | int i; |
| 2346 | |
| 2347 | wl1271_debug(DEBUG_CRYPT, "record ap key id %d", (int)id); |
| 2348 | |
| 2349 | if (key_size > MAX_KEY_SIZE) |
| 2350 | return -EINVAL; |
| 2351 | |
| 2352 | /* |
| 2353 | * Find next free entry in ap_keys. Also check we are not replacing |
| 2354 | * an existing key. |
| 2355 | */ |
| 2356 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2357 | if (wl->recorded_ap_keys[i] == NULL) |
| 2358 | break; |
| 2359 | |
| 2360 | if (wl->recorded_ap_keys[i]->id == id) { |
| 2361 | wl1271_warning("trying to record key replacement"); |
| 2362 | return -EINVAL; |
| 2363 | } |
| 2364 | } |
| 2365 | |
| 2366 | if (i == MAX_NUM_KEYS) |
| 2367 | return -EBUSY; |
| 2368 | |
| 2369 | ap_key = kzalloc(sizeof(*ap_key), GFP_KERNEL); |
| 2370 | if (!ap_key) |
| 2371 | return -ENOMEM; |
| 2372 | |
| 2373 | ap_key->id = id; |
| 2374 | ap_key->key_type = key_type; |
| 2375 | ap_key->key_size = key_size; |
| 2376 | memcpy(ap_key->key, key, key_size); |
| 2377 | ap_key->hlid = hlid; |
| 2378 | ap_key->tx_seq_32 = tx_seq_32; |
| 2379 | ap_key->tx_seq_16 = tx_seq_16; |
| 2380 | |
| 2381 | wl->recorded_ap_keys[i] = ap_key; |
| 2382 | return 0; |
| 2383 | } |
| 2384 | |
| 2385 | static void wl1271_free_ap_keys(struct wl1271 *wl) |
| 2386 | { |
| 2387 | int i; |
| 2388 | |
| 2389 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2390 | kfree(wl->recorded_ap_keys[i]); |
| 2391 | wl->recorded_ap_keys[i] = NULL; |
| 2392 | } |
| 2393 | } |
| 2394 | |
| 2395 | static int wl1271_ap_init_hwenc(struct wl1271 *wl) |
| 2396 | { |
| 2397 | int i, ret = 0; |
| 2398 | struct wl1271_ap_key *key; |
| 2399 | bool wep_key_added = false; |
| 2400 | |
| 2401 | for (i = 0; i < MAX_NUM_KEYS; i++) { |
| 2402 | if (wl->recorded_ap_keys[i] == NULL) |
| 2403 | break; |
| 2404 | |
| 2405 | key = wl->recorded_ap_keys[i]; |
| 2406 | ret = wl1271_cmd_set_ap_key(wl, KEY_ADD_OR_REPLACE, |
| 2407 | key->id, key->key_type, |
| 2408 | key->key_size, key->key, |
| 2409 | key->hlid, key->tx_seq_32, |
| 2410 | key->tx_seq_16); |
| 2411 | if (ret < 0) |
| 2412 | goto out; |
| 2413 | |
| 2414 | if (key->key_type == KEY_WEP) |
| 2415 | wep_key_added = true; |
| 2416 | } |
| 2417 | |
| 2418 | if (wep_key_added) { |
| 2419 | ret = wl1271_cmd_set_ap_default_wep_key(wl, wl->default_key); |
| 2420 | if (ret < 0) |
| 2421 | goto out; |
| 2422 | } |
| 2423 | |
| 2424 | out: |
| 2425 | wl1271_free_ap_keys(wl); |
| 2426 | return ret; |
| 2427 | } |
| 2428 | |
| 2429 | static int wl1271_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type, |
| 2430 | u8 key_size, const u8 *key, u32 tx_seq_32, |
| 2431 | u16 tx_seq_16, struct ieee80211_sta *sta) |
| 2432 | { |
| 2433 | int ret; |
| 2434 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2435 | |
| 2436 | if (is_ap) { |
| 2437 | struct wl1271_station *wl_sta; |
| 2438 | u8 hlid; |
| 2439 | |
| 2440 | if (sta) { |
| 2441 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 2442 | hlid = wl_sta->hlid; |
| 2443 | } else { |
| 2444 | hlid = WL1271_AP_BROADCAST_HLID; |
| 2445 | } |
| 2446 | |
| 2447 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2448 | /* |
| 2449 | * We do not support removing keys after AP shutdown. |
| 2450 | * Pretend we do to make mac80211 happy. |
| 2451 | */ |
| 2452 | if (action != KEY_ADD_OR_REPLACE) |
| 2453 | return 0; |
| 2454 | |
| 2455 | ret = wl1271_record_ap_key(wl, id, |
| 2456 | key_type, key_size, |
| 2457 | key, hlid, tx_seq_32, |
| 2458 | tx_seq_16); |
| 2459 | } else { |
| 2460 | ret = wl1271_cmd_set_ap_key(wl, action, |
| 2461 | id, key_type, key_size, |
| 2462 | key, hlid, tx_seq_32, |
| 2463 | tx_seq_16); |
| 2464 | } |
| 2465 | |
| 2466 | if (ret < 0) |
| 2467 | return ret; |
| 2468 | } else { |
| 2469 | const u8 *addr; |
| 2470 | static const u8 bcast_addr[ETH_ALEN] = { |
| 2471 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 2472 | }; |
| 2473 | |
| 2474 | addr = sta ? sta->addr : bcast_addr; |
| 2475 | |
| 2476 | if (is_zero_ether_addr(addr)) { |
| 2477 | /* We dont support TX only encryption */ |
| 2478 | return -EOPNOTSUPP; |
| 2479 | } |
| 2480 | |
| 2481 | /* The wl1271 does not allow to remove unicast keys - they |
| 2482 | will be cleared automatically on next CMD_JOIN. Ignore the |
| 2483 | request silently, as we dont want the mac80211 to emit |
| 2484 | an error message. */ |
| 2485 | if (action == KEY_REMOVE && !is_broadcast_ether_addr(addr)) |
| 2486 | return 0; |
| 2487 | |
| 2488 | ret = wl1271_cmd_set_sta_key(wl, action, |
| 2489 | id, key_type, key_size, |
| 2490 | key, addr, tx_seq_32, |
| 2491 | tx_seq_16); |
| 2492 | if (ret < 0) |
| 2493 | return ret; |
| 2494 | |
| 2495 | /* the default WEP key needs to be configured at least once */ |
| 2496 | if (key_type == KEY_WEP) { |
| 2497 | ret = wl1271_cmd_set_sta_default_wep_key(wl, |
| 2498 | wl->default_key); |
| 2499 | if (ret < 0) |
| 2500 | return ret; |
| 2501 | } |
| 2502 | } |
| 2503 | |
| 2504 | return 0; |
| 2505 | } |
| 2506 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2507 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2508 | struct ieee80211_vif *vif, |
| 2509 | struct ieee80211_sta *sta, |
| 2510 | struct ieee80211_key_conf *key_conf) |
| 2511 | { |
| 2512 | struct wl1271 *wl = hw->priv; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2513 | int ret; |
Juuso Oikarinen | ac4e4ce | 2009-10-08 21:56:19 +0300 | [diff] [blame] | 2514 | u32 tx_seq_32 = 0; |
| 2515 | u16 tx_seq_16 = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2516 | u8 key_type; |
| 2517 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2518 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); |
| 2519 | |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2520 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x sta: %p", cmd, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2521 | 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] | 2522 | key_conf->cipher, key_conf->keyidx, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2523 | key_conf->keylen, key_conf->flags); |
| 2524 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); |
| 2525 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2526 | mutex_lock(&wl->mutex); |
| 2527 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2528 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2529 | ret = -EAGAIN; |
| 2530 | goto out_unlock; |
| 2531 | } |
| 2532 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2533 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2534 | if (ret < 0) |
| 2535 | goto out_unlock; |
| 2536 | |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2537 | switch (key_conf->cipher) { |
| 2538 | case WLAN_CIPHER_SUITE_WEP40: |
| 2539 | case WLAN_CIPHER_SUITE_WEP104: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2540 | key_type = KEY_WEP; |
| 2541 | |
| 2542 | key_conf->hw_key_idx = key_conf->keyidx; |
| 2543 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2544 | case WLAN_CIPHER_SUITE_TKIP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2545 | key_type = KEY_TKIP; |
| 2546 | |
| 2547 | key_conf->hw_key_idx = key_conf->keyidx; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2548 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2549 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2550 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2551 | case WLAN_CIPHER_SUITE_CCMP: |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2552 | key_type = KEY_AES; |
| 2553 | |
| 2554 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
Juuso Oikarinen | 04e36fc | 2010-02-22 08:38:40 +0200 | [diff] [blame] | 2555 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2556 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2557 | break; |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 2558 | case WL1271_CIPHER_SUITE_GEM: |
| 2559 | key_type = KEY_GEM; |
| 2560 | tx_seq_32 = WL1271_TX_SECURITY_HI32(wl->tx_security_seq); |
| 2561 | tx_seq_16 = WL1271_TX_SECURITY_LO16(wl->tx_security_seq); |
| 2562 | break; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2563 | default: |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2564 | wl1271_error("Unknown key algo 0x%x", key_conf->cipher); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2565 | |
| 2566 | ret = -EOPNOTSUPP; |
| 2567 | goto out_sleep; |
| 2568 | } |
| 2569 | |
| 2570 | switch (cmd) { |
| 2571 | case SET_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2572 | ret = wl1271_set_key(wl, KEY_ADD_OR_REPLACE, |
| 2573 | key_conf->keyidx, key_type, |
| 2574 | key_conf->keylen, key_conf->key, |
| 2575 | tx_seq_32, tx_seq_16, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2576 | if (ret < 0) { |
| 2577 | wl1271_error("Could not add or replace key"); |
| 2578 | goto out_sleep; |
| 2579 | } |
| 2580 | break; |
| 2581 | |
| 2582 | case DISABLE_KEY: |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2583 | ret = wl1271_set_key(wl, KEY_REMOVE, |
| 2584 | key_conf->keyidx, key_type, |
| 2585 | key_conf->keylen, key_conf->key, |
| 2586 | 0, 0, sta); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2587 | if (ret < 0) { |
| 2588 | wl1271_error("Could not remove key"); |
| 2589 | goto out_sleep; |
| 2590 | } |
| 2591 | break; |
| 2592 | |
| 2593 | default: |
| 2594 | wl1271_error("Unsupported key cmd 0x%x", cmd); |
| 2595 | ret = -EOPNOTSUPP; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2596 | break; |
| 2597 | } |
| 2598 | |
| 2599 | out_sleep: |
| 2600 | wl1271_ps_elp_sleep(wl); |
| 2601 | |
| 2602 | out_unlock: |
| 2603 | mutex_unlock(&wl->mutex); |
| 2604 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2605 | return ret; |
| 2606 | } |
| 2607 | |
| 2608 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, |
Johannes Berg | a060bbf | 2010-04-27 11:59:34 +0200 | [diff] [blame] | 2609 | struct ieee80211_vif *vif, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2610 | struct cfg80211_scan_request *req) |
| 2611 | { |
| 2612 | struct wl1271 *wl = hw->priv; |
| 2613 | int ret; |
| 2614 | u8 *ssid = NULL; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2615 | size_t len = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2616 | |
| 2617 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); |
| 2618 | |
| 2619 | if (req->n_ssids) { |
| 2620 | ssid = req->ssids[0].ssid; |
Teemu Paasikivi | abb0b3b | 2009-10-13 12:47:50 +0300 | [diff] [blame] | 2621 | len = req->ssids[0].ssid_len; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2622 | } |
| 2623 | |
| 2624 | mutex_lock(&wl->mutex); |
| 2625 | |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 2626 | if (wl->state == WL1271_STATE_OFF) { |
| 2627 | /* |
| 2628 | * We cannot return -EBUSY here because cfg80211 will expect |
| 2629 | * a call to ieee80211_scan_completed if we do - in this case |
| 2630 | * there won't be any call. |
| 2631 | */ |
| 2632 | ret = -EAGAIN; |
| 2633 | goto out; |
| 2634 | } |
| 2635 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2636 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2637 | if (ret < 0) |
| 2638 | goto out; |
| 2639 | |
Luciano Coelho | 5924f89 | 2010-08-04 03:46:22 +0300 | [diff] [blame] | 2640 | ret = wl1271_scan(hw->priv, ssid, len, req); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2641 | |
| 2642 | wl1271_ps_elp_sleep(wl); |
| 2643 | |
| 2644 | out: |
| 2645 | mutex_unlock(&wl->mutex); |
| 2646 | |
| 2647 | return ret; |
| 2648 | } |
| 2649 | |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 2650 | static int wl1271_op_sched_scan_start(struct ieee80211_hw *hw, |
| 2651 | struct ieee80211_vif *vif, |
| 2652 | struct cfg80211_sched_scan_request *req, |
| 2653 | struct ieee80211_sched_scan_ies *ies) |
| 2654 | { |
| 2655 | struct wl1271 *wl = hw->priv; |
| 2656 | int ret; |
| 2657 | |
| 2658 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_start"); |
| 2659 | |
| 2660 | mutex_lock(&wl->mutex); |
| 2661 | |
| 2662 | ret = wl1271_ps_elp_wakeup(wl); |
| 2663 | if (ret < 0) |
| 2664 | goto out; |
| 2665 | |
| 2666 | ret = wl1271_scan_sched_scan_config(wl, req, ies); |
| 2667 | if (ret < 0) |
| 2668 | goto out_sleep; |
| 2669 | |
| 2670 | ret = wl1271_scan_sched_scan_start(wl); |
| 2671 | if (ret < 0) |
| 2672 | goto out_sleep; |
| 2673 | |
| 2674 | wl->sched_scanning = true; |
| 2675 | |
| 2676 | out_sleep: |
| 2677 | wl1271_ps_elp_sleep(wl); |
| 2678 | out: |
| 2679 | mutex_unlock(&wl->mutex); |
| 2680 | return ret; |
| 2681 | } |
| 2682 | |
| 2683 | static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, |
| 2684 | struct ieee80211_vif *vif) |
| 2685 | { |
| 2686 | struct wl1271 *wl = hw->priv; |
| 2687 | int ret; |
| 2688 | |
| 2689 | wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); |
| 2690 | |
| 2691 | mutex_lock(&wl->mutex); |
| 2692 | |
| 2693 | ret = wl1271_ps_elp_wakeup(wl); |
| 2694 | if (ret < 0) |
| 2695 | goto out; |
| 2696 | |
| 2697 | wl1271_scan_sched_scan_stop(wl); |
| 2698 | |
| 2699 | wl1271_ps_elp_sleep(wl); |
| 2700 | out: |
| 2701 | mutex_unlock(&wl->mutex); |
| 2702 | } |
| 2703 | |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2704 | static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) |
| 2705 | { |
| 2706 | struct wl1271 *wl = hw->priv; |
| 2707 | int ret = 0; |
| 2708 | |
| 2709 | mutex_lock(&wl->mutex); |
| 2710 | |
| 2711 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2712 | ret = -EAGAIN; |
| 2713 | goto out; |
| 2714 | } |
| 2715 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2716 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2717 | if (ret < 0) |
| 2718 | goto out; |
| 2719 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2720 | ret = wl1271_acx_frag_threshold(wl, value); |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 2721 | if (ret < 0) |
| 2722 | wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); |
| 2723 | |
| 2724 | wl1271_ps_elp_sleep(wl); |
| 2725 | |
| 2726 | out: |
| 2727 | mutex_unlock(&wl->mutex); |
| 2728 | |
| 2729 | return ret; |
| 2730 | } |
| 2731 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2732 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) |
| 2733 | { |
| 2734 | struct wl1271 *wl = hw->priv; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2735 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2736 | |
| 2737 | mutex_lock(&wl->mutex); |
| 2738 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2739 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 2740 | ret = -EAGAIN; |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2741 | goto out; |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 2742 | } |
Saravanan Dhanabal | aecb056 | 2010-04-09 11:07:28 +0300 | [diff] [blame] | 2743 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 2744 | ret = wl1271_ps_elp_wakeup(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2745 | if (ret < 0) |
| 2746 | goto out; |
| 2747 | |
Arik Nemtsov | 5f704d1 | 2011-04-18 14:15:21 +0300 | [diff] [blame] | 2748 | ret = wl1271_acx_rts_threshold(wl, value); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2749 | if (ret < 0) |
| 2750 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); |
| 2751 | |
| 2752 | wl1271_ps_elp_sleep(wl); |
| 2753 | |
| 2754 | out: |
| 2755 | mutex_unlock(&wl->mutex); |
| 2756 | |
| 2757 | return ret; |
| 2758 | } |
| 2759 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2760 | static int wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb, |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 2761 | int offset) |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2762 | { |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2763 | u8 ssid_len; |
| 2764 | const u8 *ptr = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset, |
| 2765 | skb->len - offset); |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2766 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2767 | if (!ptr) { |
| 2768 | wl1271_error("No SSID in IEs!"); |
| 2769 | return -ENOENT; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2770 | } |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2771 | |
Eliad Peller | 889cb36 | 2011-05-01 09:56:45 +0300 | [diff] [blame] | 2772 | ssid_len = ptr[1]; |
| 2773 | if (ssid_len > IEEE80211_MAX_SSID_LEN) { |
| 2774 | wl1271_error("SSID is too long!"); |
| 2775 | return -EINVAL; |
| 2776 | } |
| 2777 | |
| 2778 | wl->ssid_len = ssid_len; |
| 2779 | memcpy(wl->ssid, ptr+2, ssid_len); |
| 2780 | return 0; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2781 | } |
| 2782 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2783 | static int wl1271_bss_erp_info_changed(struct wl1271 *wl, |
| 2784 | struct ieee80211_bss_conf *bss_conf, |
| 2785 | u32 changed) |
| 2786 | { |
| 2787 | int ret = 0; |
| 2788 | |
| 2789 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 2790 | if (bss_conf->use_short_slot) |
| 2791 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); |
| 2792 | else |
| 2793 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); |
| 2794 | if (ret < 0) { |
| 2795 | wl1271_warning("Set slot time failed %d", ret); |
| 2796 | goto out; |
| 2797 | } |
| 2798 | } |
| 2799 | |
| 2800 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 2801 | if (bss_conf->use_short_preamble) |
| 2802 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); |
| 2803 | else |
| 2804 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); |
| 2805 | } |
| 2806 | |
| 2807 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 2808 | if (bss_conf->use_cts_prot) |
| 2809 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); |
| 2810 | else |
| 2811 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); |
| 2812 | if (ret < 0) { |
| 2813 | wl1271_warning("Set ctsprotect failed %d", ret); |
| 2814 | goto out; |
| 2815 | } |
| 2816 | } |
| 2817 | |
| 2818 | out: |
| 2819 | return ret; |
| 2820 | } |
| 2821 | |
| 2822 | static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, |
| 2823 | struct ieee80211_vif *vif, |
| 2824 | struct ieee80211_bss_conf *bss_conf, |
| 2825 | u32 changed) |
| 2826 | { |
| 2827 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 2828 | int ret = 0; |
| 2829 | |
| 2830 | if ((changed & BSS_CHANGED_BEACON_INT)) { |
| 2831 | wl1271_debug(DEBUG_MASTER, "beacon interval updated: %d", |
| 2832 | bss_conf->beacon_int); |
| 2833 | |
| 2834 | wl->beacon_int = bss_conf->beacon_int; |
| 2835 | } |
| 2836 | |
| 2837 | if ((changed & BSS_CHANGED_BEACON)) { |
| 2838 | struct ieee80211_hdr *hdr; |
| 2839 | int ieoffset = offsetof(struct ieee80211_mgmt, |
| 2840 | u.beacon.variable); |
| 2841 | struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); |
| 2842 | u16 tmpl_id; |
| 2843 | |
| 2844 | if (!beacon) |
| 2845 | goto out; |
| 2846 | |
| 2847 | wl1271_debug(DEBUG_MASTER, "beacon updated"); |
| 2848 | |
| 2849 | ret = wl1271_ssid_set(wl, beacon, ieoffset); |
| 2850 | if (ret < 0) { |
| 2851 | dev_kfree_skb(beacon); |
| 2852 | goto out; |
| 2853 | } |
| 2854 | tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : |
| 2855 | CMD_TEMPL_BEACON; |
| 2856 | ret = wl1271_cmd_template_set(wl, tmpl_id, |
| 2857 | beacon->data, |
| 2858 | beacon->len, 0, |
| 2859 | wl1271_tx_min_rate_get(wl)); |
| 2860 | if (ret < 0) { |
| 2861 | dev_kfree_skb(beacon); |
| 2862 | goto out; |
| 2863 | } |
| 2864 | |
| 2865 | hdr = (struct ieee80211_hdr *) beacon->data; |
| 2866 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 2867 | IEEE80211_STYPE_PROBE_RESP); |
| 2868 | |
| 2869 | tmpl_id = is_ap ? CMD_TEMPL_AP_PROBE_RESPONSE : |
| 2870 | CMD_TEMPL_PROBE_RESPONSE; |
| 2871 | ret = wl1271_cmd_template_set(wl, |
| 2872 | tmpl_id, |
| 2873 | beacon->data, |
| 2874 | beacon->len, 0, |
| 2875 | wl1271_tx_min_rate_get(wl)); |
| 2876 | dev_kfree_skb(beacon); |
| 2877 | if (ret < 0) |
| 2878 | goto out; |
| 2879 | } |
| 2880 | |
| 2881 | out: |
| 2882 | return ret; |
| 2883 | } |
| 2884 | |
| 2885 | /* AP mode changes */ |
| 2886 | static void wl1271_bss_info_changed_ap(struct wl1271 *wl, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2887 | struct ieee80211_vif *vif, |
| 2888 | struct ieee80211_bss_conf *bss_conf, |
| 2889 | u32 changed) |
| 2890 | { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2891 | int ret = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2892 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2893 | if ((changed & BSS_CHANGED_BASIC_RATES)) { |
| 2894 | u32 rates = bss_conf->basic_rates; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2895 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2896 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, rates); |
| 2897 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 2898 | |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 2899 | ret = wl1271_init_ap_rates(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2900 | if (ret < 0) { |
Arik Nemtsov | 70f4742 | 2011-04-18 14:15:25 +0300 | [diff] [blame] | 2901 | wl1271_error("AP rate policy change failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2902 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 2903 | } |
Arik Nemtsov | c45a85b | 2011-04-18 14:15:26 +0300 | [diff] [blame] | 2904 | |
| 2905 | ret = wl1271_ap_init_templates(wl); |
| 2906 | if (ret < 0) |
| 2907 | goto out; |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 2908 | } |
| 2909 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2910 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); |
| 2911 | if (ret < 0) |
| 2912 | goto out; |
| 2913 | |
| 2914 | if ((changed & BSS_CHANGED_BEACON_ENABLED)) { |
| 2915 | if (bss_conf->enable_beacon) { |
| 2916 | if (!test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2917 | ret = wl1271_cmd_start_bss(wl); |
| 2918 | if (ret < 0) |
| 2919 | goto out; |
| 2920 | |
| 2921 | set_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 2922 | wl1271_debug(DEBUG_AP, "started AP"); |
Arik Nemtsov | 7f179b4 | 2010-10-16 21:39:06 +0200 | [diff] [blame] | 2923 | |
| 2924 | ret = wl1271_ap_init_hwenc(wl); |
| 2925 | if (ret < 0) |
| 2926 | goto out; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2927 | } |
| 2928 | } else { |
| 2929 | if (test_bit(WL1271_FLAG_AP_STARTED, &wl->flags)) { |
| 2930 | ret = wl1271_cmd_stop_bss(wl); |
| 2931 | if (ret < 0) |
| 2932 | goto out; |
| 2933 | |
| 2934 | clear_bit(WL1271_FLAG_AP_STARTED, &wl->flags); |
| 2935 | wl1271_debug(DEBUG_AP, "stopped AP"); |
| 2936 | } |
| 2937 | } |
| 2938 | } |
| 2939 | |
| 2940 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 2941 | if (ret < 0) |
| 2942 | goto out; |
| 2943 | out: |
| 2944 | return; |
| 2945 | } |
| 2946 | |
| 2947 | /* STA/IBSS mode changes */ |
| 2948 | static void wl1271_bss_info_changed_sta(struct wl1271 *wl, |
| 2949 | struct ieee80211_vif *vif, |
| 2950 | struct ieee80211_bss_conf *bss_conf, |
| 2951 | u32 changed) |
| 2952 | { |
| 2953 | bool do_join = false, set_assoc = false; |
| 2954 | bool is_ibss = (wl->bss_type == BSS_TYPE_IBSS); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 2955 | u32 sta_rate_set = 0; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2956 | int ret; |
Luciano Coelho | 2d6e4e76 | 2011-01-11 19:07:21 +0100 | [diff] [blame] | 2957 | struct ieee80211_sta *sta; |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 2958 | bool sta_exists = false; |
| 2959 | struct ieee80211_sta_ht_cap sta_ht_cap; |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2960 | |
| 2961 | if (is_ibss) { |
| 2962 | ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, |
| 2963 | changed); |
| 2964 | if (ret < 0) |
| 2965 | goto out; |
| 2966 | } |
| 2967 | |
| 2968 | if ((changed & BSS_CHANGED_BEACON_INT) && is_ibss) |
| 2969 | do_join = true; |
| 2970 | |
| 2971 | /* Need to update the SSID (for filtering etc) */ |
| 2972 | if ((changed & BSS_CHANGED_BEACON) && is_ibss) |
| 2973 | do_join = true; |
| 2974 | |
| 2975 | if ((changed & BSS_CHANGED_BEACON_ENABLED) && is_ibss) { |
Juuso Oikarinen | 5da11dc | 2010-03-26 12:53:24 +0200 | [diff] [blame] | 2976 | wl1271_debug(DEBUG_ADHOC, "ad-hoc beaconing: %s", |
| 2977 | bss_conf->enable_beacon ? "enabled" : "disabled"); |
| 2978 | |
| 2979 | if (bss_conf->enable_beacon) |
| 2980 | wl->set_bss_type = BSS_TYPE_IBSS; |
| 2981 | else |
| 2982 | wl->set_bss_type = BSS_TYPE_STA_BSS; |
| 2983 | do_join = true; |
| 2984 | } |
| 2985 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 2986 | if ((changed & BSS_CHANGED_CQM)) { |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 2987 | bool enable = false; |
| 2988 | if (bss_conf->cqm_rssi_thold) |
| 2989 | enable = true; |
| 2990 | ret = wl1271_acx_rssi_snr_trigger(wl, enable, |
| 2991 | bss_conf->cqm_rssi_thold, |
| 2992 | bss_conf->cqm_rssi_hyst); |
| 2993 | if (ret < 0) |
| 2994 | goto out; |
| 2995 | wl->rssi_thold = bss_conf->cqm_rssi_thold; |
| 2996 | } |
| 2997 | |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 2998 | if ((changed & BSS_CHANGED_BSSID) && |
| 2999 | /* |
| 3000 | * Now we know the correct bssid, so we send a new join command |
| 3001 | * and enable the BSSID filter |
| 3002 | */ |
| 3003 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3004 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); |
Juuso Oikarinen | a0cb7be | 2010-03-18 12:26:44 +0200 | [diff] [blame] | 3005 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3006 | if (!is_zero_ether_addr(wl->bssid)) { |
| 3007 | ret = wl1271_cmd_build_null_data(wl); |
| 3008 | if (ret < 0) |
| 3009 | goto out; |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3010 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3011 | ret = wl1271_build_qos_null_data(wl); |
| 3012 | if (ret < 0) |
| 3013 | goto out; |
Saravanan Dhanabal | 141418c | 2010-04-28 09:50:00 +0300 | [diff] [blame] | 3014 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3015 | /* filter out all packets not from this BSSID */ |
| 3016 | wl1271_configure_filters(wl, 0); |
Juuso Oikarinen | 14b228a | 2010-03-18 12:26:43 +0200 | [diff] [blame] | 3017 | |
Eliad Peller | fa287b8 | 2010-12-26 09:27:50 +0100 | [diff] [blame] | 3018 | /* Need to update the BSSID (for filtering etc) */ |
| 3019 | do_join = true; |
| 3020 | } |
Juuso Oikarinen | 30240fc | 2010-02-18 13:25:38 +0200 | [diff] [blame] | 3021 | } |
| 3022 | |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3023 | rcu_read_lock(); |
| 3024 | sta = ieee80211_find_sta(vif, bss_conf->bssid); |
| 3025 | if (sta) { |
| 3026 | /* save the supp_rates of the ap */ |
| 3027 | sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; |
| 3028 | if (sta->ht_cap.ht_supported) |
| 3029 | sta_rate_set |= |
| 3030 | (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3031 | sta_ht_cap = sta->ht_cap; |
| 3032 | sta_exists = true; |
| 3033 | } |
| 3034 | rcu_read_unlock(); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3035 | |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3036 | if (sta_exists) { |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3037 | /* handle new association with HT and HT information change */ |
| 3038 | if ((changed & BSS_CHANGED_HT) && |
| 3039 | (bss_conf->channel_type != NL80211_CHAN_NO_HT)) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3040 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3041 | true); |
| 3042 | if (ret < 0) { |
| 3043 | wl1271_warning("Set ht cap true failed %d", |
| 3044 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3045 | goto out; |
| 3046 | } |
| 3047 | ret = wl1271_acx_set_ht_information(wl, |
| 3048 | bss_conf->ht_operation_mode); |
| 3049 | if (ret < 0) { |
| 3050 | wl1271_warning("Set ht information failed %d", |
| 3051 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3052 | goto out; |
| 3053 | } |
| 3054 | } |
| 3055 | /* handle new association without HT and disassociation */ |
| 3056 | else if (changed & BSS_CHANGED_ASSOC) { |
Arik Nemtsov | a100885 | 2011-02-12 23:24:20 +0200 | [diff] [blame] | 3057 | ret = wl1271_acx_set_ht_capabilities(wl, &sta_ht_cap, |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3058 | false); |
| 3059 | if (ret < 0) { |
| 3060 | wl1271_warning("Set ht cap false failed %d", |
| 3061 | ret); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3062 | goto out; |
| 3063 | } |
| 3064 | } |
| 3065 | } |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3066 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3067 | if ((changed & BSS_CHANGED_ASSOC)) { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3068 | if (bss_conf->assoc) { |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3069 | u32 rates; |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3070 | int ieoffset; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3071 | wl->aid = bss_conf->aid; |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 3072 | set_assoc = true; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3073 | |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 3074 | wl->ps_poll_failures = 0; |
| 3075 | |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3076 | /* |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3077 | * use basic rates from AP, and determine lowest rate |
| 3078 | * to use with control frames. |
| 3079 | */ |
| 3080 | rates = bss_conf->basic_rates; |
| 3081 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3082 | rates); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 3083 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Eliad Peller | 72c2d9e | 2011-02-02 09:59:37 +0200 | [diff] [blame] | 3084 | if (sta_rate_set) |
| 3085 | wl->rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3086 | sta_rate_set); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 3087 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3088 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3089 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3090 | |
| 3091 | /* |
Luciano Coelho | ae751ba | 2009-10-12 15:08:57 +0300 | [diff] [blame] | 3092 | * with wl1271, we don't need to update the |
| 3093 | * beacon_int and dtim_period, because the firmware |
| 3094 | * updates it by itself when the first beacon is |
| 3095 | * received after a join. |
| 3096 | */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3097 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
| 3098 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3099 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3100 | |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3101 | /* |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3102 | * Get a template for hardware connection maintenance |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3103 | */ |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3104 | dev_kfree_skb(wl->probereq); |
| 3105 | wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL); |
| 3106 | ieoffset = offsetof(struct ieee80211_mgmt, |
| 3107 | u.probe_req.variable); |
| 3108 | wl1271_ssid_set(wl, wl->probereq, ieoffset); |
Juuso Oikarinen | c2b2d99 | 2010-03-26 12:53:28 +0200 | [diff] [blame] | 3109 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3110 | /* enable the connection monitoring feature */ |
| 3111 | ret = wl1271_acx_conn_monit_params(wl, true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3112 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3113 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3114 | |
| 3115 | /* If we want to go in PSM but we're not there yet */ |
Juuso Oikarinen | 71449f8 | 2009-12-11 15:41:07 +0200 | [diff] [blame] | 3116 | if (test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags) && |
| 3117 | !test_bit(WL1271_FLAG_PSM, &wl->flags)) { |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3118 | enum wl1271_cmd_ps_mode mode; |
| 3119 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3120 | mode = STATION_POWER_SAVE_MODE; |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 3121 | ret = wl1271_ps_set_mode(wl, mode, |
Juuso Oikarinen | 8eab7b4 | 2010-09-24 03:10:11 +0200 | [diff] [blame] | 3122 | wl->basic_rate, |
Juuso Oikarinen | 65cddbf | 2010-08-24 06:28:03 +0300 | [diff] [blame] | 3123 | true); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3124 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3125 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3126 | } |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 3127 | } else { |
| 3128 | /* use defaults when not associated */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3129 | bool was_assoc = |
| 3130 | !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, |
| 3131 | &wl->flags); |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3132 | clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); |
Juuso Oikarinen | d94cd29 | 2009-10-08 21:56:25 +0300 | [diff] [blame] | 3133 | wl->aid = 0; |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3134 | |
Juuso Oikarinen | 2f6724b | 2010-11-24 08:16:57 +0200 | [diff] [blame] | 3135 | /* free probe-request template */ |
| 3136 | dev_kfree_skb(wl->probereq); |
| 3137 | wl->probereq = NULL; |
| 3138 | |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3139 | /* re-enable dynamic ps - just in case */ |
Juuso Oikarinen | f532be6 | 2010-07-08 17:50:05 +0300 | [diff] [blame] | 3140 | ieee80211_enable_dyn_ps(wl->vif); |
Juuso Oikarinen | 8d2ef7b | 2010-07-08 17:50:03 +0300 | [diff] [blame] | 3141 | |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3142 | /* revert back to minimum rates for the current band */ |
| 3143 | wl1271_set_band_rate(wl); |
Arik Nemtsov | e0fe371 | 2010-10-16 18:19:53 +0200 | [diff] [blame] | 3144 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
Arik Nemtsov | 79b223f | 2010-10-16 17:52:59 +0200 | [diff] [blame] | 3145 | ret = wl1271_acx_sta_rate_policies(wl); |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3146 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3147 | goto out; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 3148 | |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3149 | /* disable connection monitor features */ |
| 3150 | ret = wl1271_acx_conn_monit_params(wl, false); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3151 | |
| 3152 | /* Disable the keep-alive feature */ |
| 3153 | ret = wl1271_acx_keep_alive_mode(wl, false); |
Juuso Oikarinen | 6ccbb92 | 2010-03-26 12:53:23 +0200 | [diff] [blame] | 3154 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3155 | goto out; |
Juuso Oikarinen | b84a7d3 | 2010-11-22 12:59:08 +0200 | [diff] [blame] | 3156 | |
| 3157 | /* restore the bssid filter and go to dummy bssid */ |
Eliad Peller | 30df14d | 2011-04-05 19:13:28 +0300 | [diff] [blame] | 3158 | if (was_assoc) { |
| 3159 | wl1271_unjoin(wl); |
| 3160 | wl1271_dummy_join(wl); |
| 3161 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3162 | } |
| 3163 | } |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 3164 | |
Eliad Peller | d192d26 | 2011-05-24 14:33:08 +0300 | [diff] [blame] | 3165 | if (changed & BSS_CHANGED_IBSS) { |
| 3166 | wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", |
| 3167 | bss_conf->ibss_joined); |
| 3168 | |
| 3169 | if (bss_conf->ibss_joined) { |
| 3170 | u32 rates = bss_conf->basic_rates; |
| 3171 | wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, |
| 3172 | rates); |
| 3173 | wl->basic_rate = wl1271_tx_min_rate_get(wl); |
| 3174 | |
| 3175 | /* by default, use 11b rates */ |
| 3176 | wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; |
| 3177 | ret = wl1271_acx_sta_rate_policies(wl); |
| 3178 | if (ret < 0) |
| 3179 | goto out; |
| 3180 | } |
| 3181 | } |
| 3182 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3183 | ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); |
| 3184 | if (ret < 0) |
| 3185 | goto out; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3186 | |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3187 | if (changed & BSS_CHANGED_ARP_FILTER) { |
| 3188 | __be32 addr = bss_conf->arp_addr_list[0]; |
| 3189 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 3190 | |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3191 | if (bss_conf->arp_addr_cnt == 1 && |
| 3192 | bss_conf->arp_filter_enabled) { |
| 3193 | /* |
| 3194 | * The template should have been configured only upon |
| 3195 | * association. however, it seems that the correct ip |
| 3196 | * isn't being set (when sending), so we have to |
| 3197 | * reconfigure the template upon every ip change. |
| 3198 | */ |
| 3199 | ret = wl1271_cmd_build_arp_rsp(wl, addr); |
| 3200 | if (ret < 0) { |
| 3201 | wl1271_warning("build arp rsp failed: %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3202 | goto out; |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3203 | } |
| 3204 | |
| 3205 | ret = wl1271_acx_arp_ip_filter(wl, |
Eliad Peller | e5e2f24 | 2011-01-24 19:19:03 +0100 | [diff] [blame] | 3206 | ACX_ARP_FILTER_ARP_FILTERING, |
Eliad Peller | c531277 | 2010-12-09 11:31:27 +0200 | [diff] [blame] | 3207 | addr); |
| 3208 | } else |
| 3209 | ret = wl1271_acx_arp_ip_filter(wl, 0, addr); |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3210 | |
| 3211 | if (ret < 0) |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3212 | goto out; |
Juuso Oikarinen | ca52a5e | 2010-07-08 17:50:02 +0300 | [diff] [blame] | 3213 | } |
| 3214 | |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3215 | if (do_join) { |
Juuso Oikarinen | 69e5434 | 2010-05-07 11:39:00 +0300 | [diff] [blame] | 3216 | ret = wl1271_join(wl, set_assoc); |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3217 | if (ret < 0) { |
| 3218 | wl1271_warning("cmd join failed %d", ret); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3219 | goto out; |
Juuso Oikarinen | 8bf29b0 | 2010-02-18 13:25:51 +0200 | [diff] [blame] | 3220 | } |
Eliad Peller | ef4b29e | 2011-06-06 13:03:12 +0300 | [diff] [blame] | 3221 | wl1271_check_operstate(wl, ieee80211_get_operstate(vif)); |
Juuso Oikarinen | c189955 | 2010-03-26 12:53:32 +0200 | [diff] [blame] | 3222 | } |
| 3223 | |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3224 | out: |
| 3225 | return; |
| 3226 | } |
| 3227 | |
| 3228 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
| 3229 | struct ieee80211_vif *vif, |
| 3230 | struct ieee80211_bss_conf *bss_conf, |
| 3231 | u32 changed) |
| 3232 | { |
| 3233 | struct wl1271 *wl = hw->priv; |
| 3234 | bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); |
| 3235 | int ret; |
| 3236 | |
| 3237 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", |
| 3238 | (int)changed); |
| 3239 | |
| 3240 | mutex_lock(&wl->mutex); |
| 3241 | |
| 3242 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3243 | goto out; |
| 3244 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3245 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | e78a287 | 2010-10-16 19:07:21 +0200 | [diff] [blame] | 3246 | if (ret < 0) |
| 3247 | goto out; |
| 3248 | |
| 3249 | if (is_ap) |
| 3250 | wl1271_bss_info_changed_ap(wl, vif, bss_conf, changed); |
| 3251 | else |
| 3252 | wl1271_bss_info_changed_sta(wl, vif, bss_conf, changed); |
| 3253 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3254 | wl1271_ps_elp_sleep(wl); |
| 3255 | |
| 3256 | out: |
| 3257 | mutex_unlock(&wl->mutex); |
| 3258 | } |
| 3259 | |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3260 | static int wl1271_op_conf_tx(struct ieee80211_hw *hw, u16 queue, |
| 3261 | const struct ieee80211_tx_queue_params *params) |
| 3262 | { |
| 3263 | struct wl1271 *wl = hw->priv; |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3264 | u8 ps_scheme; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3265 | int ret = 0; |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3266 | |
| 3267 | mutex_lock(&wl->mutex); |
| 3268 | |
| 3269 | wl1271_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); |
| 3270 | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 3271 | if (params->uapsd) |
| 3272 | ps_scheme = CONF_PS_SCHEME_UPSD_TRIGGER; |
| 3273 | else |
| 3274 | ps_scheme = CONF_PS_SCHEME_LEGACY; |
| 3275 | |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3276 | if (wl->state == WL1271_STATE_OFF) { |
| 3277 | /* |
| 3278 | * If the state is off, the parameters will be recorded and |
| 3279 | * configured on init. This happens in AP-mode. |
| 3280 | */ |
| 3281 | struct conf_tx_ac_category *conf_ac = |
| 3282 | &wl->conf.tx.ac_conf[wl1271_tx_get_queue(queue)]; |
| 3283 | struct conf_tx_tid *conf_tid = |
| 3284 | &wl->conf.tx.tid_conf[wl1271_tx_get_queue(queue)]; |
| 3285 | |
| 3286 | conf_ac->ac = wl1271_tx_get_queue(queue); |
| 3287 | conf_ac->cw_min = (u8)params->cw_min; |
| 3288 | conf_ac->cw_max = params->cw_max; |
| 3289 | conf_ac->aifsn = params->aifs; |
| 3290 | conf_ac->tx_op_limit = params->txop << 5; |
| 3291 | |
| 3292 | conf_tid->queue_id = wl1271_tx_get_queue(queue); |
| 3293 | conf_tid->channel_type = CONF_CHANNEL_TYPE_EDCF; |
| 3294 | conf_tid->tsid = wl1271_tx_get_queue(queue); |
| 3295 | conf_tid->ps_scheme = ps_scheme; |
| 3296 | conf_tid->ack_policy = CONF_ACK_POLICY_LEGACY; |
| 3297 | conf_tid->apsd_conf[0] = 0; |
| 3298 | conf_tid->apsd_conf[1] = 0; |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3299 | goto out; |
| 3300 | } |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3301 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3302 | ret = wl1271_ps_elp_wakeup(wl); |
| 3303 | if (ret < 0) |
| 3304 | goto out; |
Arik Nemtsov | 488fc54 | 2010-10-16 20:33:45 +0200 | [diff] [blame] | 3305 | |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3306 | /* |
| 3307 | * the txop is confed in units of 32us by the mac80211, |
| 3308 | * we need us |
| 3309 | */ |
| 3310 | ret = wl1271_acx_ac_cfg(wl, wl1271_tx_get_queue(queue), |
| 3311 | params->cw_min, params->cw_max, |
| 3312 | params->aifs, params->txop << 5); |
| 3313 | if (ret < 0) |
| 3314 | goto out_sleep; |
| 3315 | |
| 3316 | ret = wl1271_acx_tid_cfg(wl, wl1271_tx_get_queue(queue), |
| 3317 | CONF_CHANNEL_TYPE_EDCF, |
| 3318 | wl1271_tx_get_queue(queue), |
| 3319 | ps_scheme, CONF_ACK_POLICY_LEGACY, |
| 3320 | 0, 0); |
Kalle Valo | c82c1dd | 2010-02-18 13:25:47 +0200 | [diff] [blame] | 3321 | |
| 3322 | out_sleep: |
Eliad Peller | c1b193e | 2011-03-23 22:22:15 +0200 | [diff] [blame] | 3323 | wl1271_ps_elp_sleep(wl); |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3324 | |
| 3325 | out: |
| 3326 | mutex_unlock(&wl->mutex); |
| 3327 | |
| 3328 | return ret; |
| 3329 | } |
| 3330 | |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3331 | static u64 wl1271_op_get_tsf(struct ieee80211_hw *hw) |
| 3332 | { |
| 3333 | |
| 3334 | struct wl1271 *wl = hw->priv; |
| 3335 | u64 mactime = ULLONG_MAX; |
| 3336 | int ret; |
| 3337 | |
| 3338 | wl1271_debug(DEBUG_MAC80211, "mac80211 get tsf"); |
| 3339 | |
| 3340 | mutex_lock(&wl->mutex); |
| 3341 | |
Juuso Oikarinen | f8d9802 | 2010-10-26 13:24:39 +0200 | [diff] [blame] | 3342 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3343 | goto out; |
| 3344 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3345 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3346 | if (ret < 0) |
| 3347 | goto out; |
| 3348 | |
| 3349 | ret = wl1271_acx_tsf_info(wl, &mactime); |
| 3350 | if (ret < 0) |
| 3351 | goto out_sleep; |
| 3352 | |
| 3353 | out_sleep: |
| 3354 | wl1271_ps_elp_sleep(wl); |
| 3355 | |
| 3356 | out: |
| 3357 | mutex_unlock(&wl->mutex); |
| 3358 | return mactime; |
| 3359 | } |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3360 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3361 | static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 3362 | struct survey_info *survey) |
| 3363 | { |
| 3364 | struct wl1271 *wl = hw->priv; |
| 3365 | struct ieee80211_conf *conf = &hw->conf; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3366 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3367 | if (idx != 0) |
| 3368 | return -ENOENT; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3369 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3370 | survey->channel = conf->channel; |
| 3371 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 3372 | survey->noise = wl->noise; |
Juuso Oikarinen | b739a42 | 2010-10-26 13:24:38 +0200 | [diff] [blame] | 3373 | |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3374 | return 0; |
| 3375 | } |
| 3376 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3377 | static int wl1271_allocate_sta(struct wl1271 *wl, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3378 | struct ieee80211_sta *sta, |
| 3379 | u8 *hlid) |
| 3380 | { |
| 3381 | struct wl1271_station *wl_sta; |
| 3382 | int id; |
| 3383 | |
| 3384 | id = find_first_zero_bit(wl->ap_hlid_map, AP_MAX_STATIONS); |
| 3385 | if (id >= AP_MAX_STATIONS) { |
| 3386 | wl1271_warning("could not allocate HLID - too much stations"); |
| 3387 | return -EBUSY; |
| 3388 | } |
| 3389 | |
| 3390 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3391 | __set_bit(id, wl->ap_hlid_map); |
| 3392 | wl_sta->hlid = WL1271_AP_STA_HLID_START + id; |
| 3393 | *hlid = wl_sta->hlid; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3394 | memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3395 | return 0; |
| 3396 | } |
| 3397 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3398 | static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3399 | { |
| 3400 | int id = hlid - WL1271_AP_STA_HLID_START; |
| 3401 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3402 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3403 | return; |
| 3404 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3405 | __clear_bit(id, wl->ap_hlid_map); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3406 | memset(wl->links[hlid].addr, 0, ETH_ALEN); |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 3407 | wl1271_tx_reset_link_queues(wl, hlid); |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 3408 | __clear_bit(hlid, &wl->ap_ps_map); |
| 3409 | __clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3410 | } |
| 3411 | |
| 3412 | static int wl1271_op_sta_add(struct ieee80211_hw *hw, |
| 3413 | struct ieee80211_vif *vif, |
| 3414 | struct ieee80211_sta *sta) |
| 3415 | { |
| 3416 | struct wl1271 *wl = hw->priv; |
| 3417 | int ret = 0; |
| 3418 | u8 hlid; |
| 3419 | |
| 3420 | mutex_lock(&wl->mutex); |
| 3421 | |
| 3422 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3423 | goto out; |
| 3424 | |
| 3425 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3426 | goto out; |
| 3427 | |
| 3428 | wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); |
| 3429 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3430 | ret = wl1271_allocate_sta(wl, sta, &hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3431 | if (ret < 0) |
| 3432 | goto out; |
| 3433 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3434 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3435 | if (ret < 0) |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3436 | goto out_free_sta; |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3437 | |
| 3438 | ret = wl1271_cmd_add_sta(wl, sta, hlid); |
| 3439 | if (ret < 0) |
| 3440 | goto out_sleep; |
| 3441 | |
| 3442 | out_sleep: |
| 3443 | wl1271_ps_elp_sleep(wl); |
| 3444 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3445 | out_free_sta: |
| 3446 | if (ret < 0) |
| 3447 | wl1271_free_sta(wl, hlid); |
| 3448 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3449 | out: |
| 3450 | mutex_unlock(&wl->mutex); |
| 3451 | return ret; |
| 3452 | } |
| 3453 | |
| 3454 | static int wl1271_op_sta_remove(struct ieee80211_hw *hw, |
| 3455 | struct ieee80211_vif *vif, |
| 3456 | struct ieee80211_sta *sta) |
| 3457 | { |
| 3458 | struct wl1271 *wl = hw->priv; |
| 3459 | struct wl1271_station *wl_sta; |
| 3460 | int ret = 0, id; |
| 3461 | |
| 3462 | mutex_lock(&wl->mutex); |
| 3463 | |
| 3464 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3465 | goto out; |
| 3466 | |
| 3467 | if (wl->bss_type != BSS_TYPE_AP_BSS) |
| 3468 | goto out; |
| 3469 | |
| 3470 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove sta %d", (int)sta->aid); |
| 3471 | |
| 3472 | wl_sta = (struct wl1271_station *)sta->drv_priv; |
| 3473 | id = wl_sta->hlid - WL1271_AP_STA_HLID_START; |
| 3474 | if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) |
| 3475 | goto out; |
| 3476 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3477 | ret = wl1271_ps_elp_wakeup(wl); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3478 | if (ret < 0) |
| 3479 | goto out; |
| 3480 | |
| 3481 | ret = wl1271_cmd_remove_sta(wl, wl_sta->hlid); |
| 3482 | if (ret < 0) |
| 3483 | goto out_sleep; |
| 3484 | |
Arik Nemtsov | 409622e | 2011-02-23 00:22:29 +0200 | [diff] [blame] | 3485 | wl1271_free_sta(wl, wl_sta->hlid); |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3486 | |
| 3487 | out_sleep: |
| 3488 | wl1271_ps_elp_sleep(wl); |
| 3489 | |
| 3490 | out: |
| 3491 | mutex_unlock(&wl->mutex); |
| 3492 | return ret; |
| 3493 | } |
| 3494 | |
Luciano Coelho | 4623ec7 | 2011-03-21 19:26:41 +0200 | [diff] [blame] | 3495 | static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, |
| 3496 | struct ieee80211_vif *vif, |
| 3497 | enum ieee80211_ampdu_mlme_action action, |
| 3498 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 3499 | u8 buf_size) |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3500 | { |
| 3501 | struct wl1271 *wl = hw->priv; |
| 3502 | int ret; |
| 3503 | |
| 3504 | mutex_lock(&wl->mutex); |
| 3505 | |
| 3506 | if (unlikely(wl->state == WL1271_STATE_OFF)) { |
| 3507 | ret = -EAGAIN; |
| 3508 | goto out; |
| 3509 | } |
| 3510 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3511 | ret = wl1271_ps_elp_wakeup(wl); |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3512 | if (ret < 0) |
| 3513 | goto out; |
| 3514 | |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 3515 | wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", |
| 3516 | tid, action); |
| 3517 | |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3518 | switch (action) { |
| 3519 | case IEEE80211_AMPDU_RX_START: |
Shahar Levi | 70559a0 | 2011-05-22 16:10:22 +0300 | [diff] [blame] | 3520 | if ((wl->ba_support) && (wl->ba_allowed)) { |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3521 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn, |
| 3522 | true); |
| 3523 | if (!ret) |
| 3524 | wl->ba_rx_bitmap |= BIT(tid); |
| 3525 | } else { |
| 3526 | ret = -ENOTSUPP; |
| 3527 | } |
| 3528 | break; |
| 3529 | |
| 3530 | case IEEE80211_AMPDU_RX_STOP: |
| 3531 | ret = wl1271_acx_set_ba_receiver_session(wl, tid, 0, false); |
| 3532 | if (!ret) |
| 3533 | wl->ba_rx_bitmap &= ~BIT(tid); |
| 3534 | break; |
| 3535 | |
| 3536 | /* |
| 3537 | * The BA initiator session management in FW independently. |
| 3538 | * Falling break here on purpose for all TX APDU commands. |
| 3539 | */ |
| 3540 | case IEEE80211_AMPDU_TX_START: |
| 3541 | case IEEE80211_AMPDU_TX_STOP: |
| 3542 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
| 3543 | ret = -EINVAL; |
| 3544 | break; |
| 3545 | |
| 3546 | default: |
| 3547 | wl1271_error("Incorrect ampdu action id=%x\n", action); |
| 3548 | ret = -EINVAL; |
| 3549 | } |
| 3550 | |
| 3551 | wl1271_ps_elp_sleep(wl); |
| 3552 | |
| 3553 | out: |
| 3554 | mutex_unlock(&wl->mutex); |
| 3555 | |
| 3556 | return ret; |
| 3557 | } |
| 3558 | |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3559 | static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw) |
| 3560 | { |
| 3561 | struct wl1271 *wl = hw->priv; |
| 3562 | bool ret = false; |
| 3563 | |
| 3564 | mutex_lock(&wl->mutex); |
| 3565 | |
| 3566 | if (unlikely(wl->state == WL1271_STATE_OFF)) |
| 3567 | goto out; |
| 3568 | |
| 3569 | /* packets are considered pending if in the TX queue or the FW */ |
| 3570 | ret = (wl->tx_queue_count > 0) || (wl->tx_frames_cnt > 0); |
| 3571 | |
| 3572 | /* the above is appropriate for STA mode for PS purposes */ |
| 3573 | WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS); |
| 3574 | |
| 3575 | out: |
| 3576 | mutex_unlock(&wl->mutex); |
| 3577 | |
| 3578 | return ret; |
| 3579 | } |
| 3580 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3581 | /* can't be const, mac80211 writes to this */ |
| 3582 | static struct ieee80211_rate wl1271_rates[] = { |
| 3583 | { .bitrate = 10, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3584 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
| 3585 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3586 | { .bitrate = 20, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3587 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
| 3588 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3589 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3590 | { .bitrate = 55, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3591 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
| 3592 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3593 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3594 | { .bitrate = 110, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3595 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
| 3596 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3597 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
| 3598 | { .bitrate = 60, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3599 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3600 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3601 | { .bitrate = 90, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3602 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3603 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3604 | { .bitrate = 120, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3605 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3606 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3607 | { .bitrate = 180, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3608 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3609 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3610 | { .bitrate = 240, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3611 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3612 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3613 | { .bitrate = 360, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3614 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3615 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3616 | { .bitrate = 480, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3617 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3618 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3619 | { .bitrate = 540, |
Juuso Oikarinen | 2b60100b | 2009-10-13 12:47:39 +0300 | [diff] [blame] | 3620 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3621 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3622 | }; |
| 3623 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3624 | /* can't be const, mac80211 writes to this */ |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3625 | static struct ieee80211_channel wl1271_channels[] = { |
Luciano Coelho | a2d0e3f | 2009-12-11 15:40:46 +0200 | [diff] [blame] | 3626 | { .hw_value = 1, .center_freq = 2412, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3627 | { .hw_value = 2, .center_freq = 2417, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3628 | { .hw_value = 3, .center_freq = 2422, .max_power = 25 }, |
| 3629 | { .hw_value = 4, .center_freq = 2427, .max_power = 25 }, |
| 3630 | { .hw_value = 5, .center_freq = 2432, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3631 | { .hw_value = 6, .center_freq = 2437, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3632 | { .hw_value = 7, .center_freq = 2442, .max_power = 25 }, |
| 3633 | { .hw_value = 8, .center_freq = 2447, .max_power = 25 }, |
| 3634 | { .hw_value = 9, .center_freq = 2452, .max_power = 25 }, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3635 | { .hw_value = 10, .center_freq = 2457, .max_power = 25 }, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3636 | { .hw_value = 11, .center_freq = 2462, .max_power = 25 }, |
| 3637 | { .hw_value = 12, .center_freq = 2467, .max_power = 25 }, |
| 3638 | { .hw_value = 13, .center_freq = 2472, .max_power = 25 }, |
Arik Nemtsov | 6c89b7b | 2011-01-18 20:39:52 +0100 | [diff] [blame] | 3639 | { .hw_value = 14, .center_freq = 2484, .max_power = 25 }, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3640 | }; |
| 3641 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3642 | /* mapping to indexes for wl1271_rates */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3643 | static const u8 wl1271_rate_to_idx_2ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3644 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3645 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3646 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3647 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3648 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3649 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3650 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3651 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3652 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3653 | |
| 3654 | 11, /* CONF_HW_RXTX_RATE_54 */ |
| 3655 | 10, /* CONF_HW_RXTX_RATE_48 */ |
| 3656 | 9, /* CONF_HW_RXTX_RATE_36 */ |
| 3657 | 8, /* CONF_HW_RXTX_RATE_24 */ |
| 3658 | |
| 3659 | /* TI-specific rate */ |
| 3660 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3661 | |
| 3662 | 7, /* CONF_HW_RXTX_RATE_18 */ |
| 3663 | 6, /* CONF_HW_RXTX_RATE_12 */ |
| 3664 | 3, /* CONF_HW_RXTX_RATE_11 */ |
| 3665 | 5, /* CONF_HW_RXTX_RATE_9 */ |
| 3666 | 4, /* CONF_HW_RXTX_RATE_6 */ |
| 3667 | 2, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3668 | 1, /* CONF_HW_RXTX_RATE_2 */ |
| 3669 | 0 /* CONF_HW_RXTX_RATE_1 */ |
| 3670 | }; |
| 3671 | |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3672 | /* 11n STA capabilities */ |
| 3673 | #define HW_RX_HIGHEST_RATE 72 |
| 3674 | |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3675 | #ifdef CONFIG_WL12XX_HT |
| 3676 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 871d0c3 | 2011-03-13 11:24:40 +0200 | [diff] [blame] | 3677 | .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | \ |
| 3678 | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT), \ |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3679 | .ht_supported = true, \ |
| 3680 | .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \ |
| 3681 | .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \ |
| 3682 | .mcs = { \ |
| 3683 | .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \ |
| 3684 | .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \ |
| 3685 | .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \ |
| 3686 | }, \ |
| 3687 | } |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3688 | #else |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3689 | #define WL12XX_HT_CAP { \ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3690 | .ht_supported = false, \ |
| 3691 | } |
| 3692 | #endif |
Shahar Levi | e8b03a2 | 2010-10-13 16:09:39 +0200 | [diff] [blame] | 3693 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3694 | /* can't be const, mac80211 writes to this */ |
| 3695 | static struct ieee80211_supported_band wl1271_band_2ghz = { |
| 3696 | .channels = wl1271_channels, |
| 3697 | .n_channels = ARRAY_SIZE(wl1271_channels), |
| 3698 | .bitrates = wl1271_rates, |
| 3699 | .n_bitrates = ARRAY_SIZE(wl1271_rates), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3700 | .ht_cap = WL12XX_HT_CAP, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3701 | }; |
| 3702 | |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3703 | /* 5 GHz data rates for WL1273 */ |
| 3704 | static struct ieee80211_rate wl1271_rates_5ghz[] = { |
| 3705 | { .bitrate = 60, |
| 3706 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
| 3707 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, |
| 3708 | { .bitrate = 90, |
| 3709 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
| 3710 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, |
| 3711 | { .bitrate = 120, |
| 3712 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
| 3713 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, |
| 3714 | { .bitrate = 180, |
| 3715 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
| 3716 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, |
| 3717 | { .bitrate = 240, |
| 3718 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
| 3719 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, |
| 3720 | { .bitrate = 360, |
| 3721 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
| 3722 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, |
| 3723 | { .bitrate = 480, |
| 3724 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
| 3725 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, |
| 3726 | { .bitrate = 540, |
| 3727 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
| 3728 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, |
| 3729 | }; |
| 3730 | |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3731 | /* 5 GHz band channels for WL1273 */ |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3732 | static struct ieee80211_channel wl1271_channels_5ghz[] = { |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3733 | { .hw_value = 7, .center_freq = 5035}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3734 | { .hw_value = 8, .center_freq = 5040}, |
| 3735 | { .hw_value = 9, .center_freq = 5045}, |
| 3736 | { .hw_value = 11, .center_freq = 5055}, |
| 3737 | { .hw_value = 12, .center_freq = 5060}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3738 | { .hw_value = 16, .center_freq = 5080}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3739 | { .hw_value = 34, .center_freq = 5170}, |
| 3740 | { .hw_value = 36, .center_freq = 5180}, |
| 3741 | { .hw_value = 38, .center_freq = 5190}, |
| 3742 | { .hw_value = 40, .center_freq = 5200}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3743 | { .hw_value = 42, .center_freq = 5210}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3744 | { .hw_value = 44, .center_freq = 5220}, |
| 3745 | { .hw_value = 46, .center_freq = 5230}, |
| 3746 | { .hw_value = 48, .center_freq = 5240}, |
| 3747 | { .hw_value = 52, .center_freq = 5260}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3748 | { .hw_value = 56, .center_freq = 5280}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3749 | { .hw_value = 60, .center_freq = 5300}, |
| 3750 | { .hw_value = 64, .center_freq = 5320}, |
| 3751 | { .hw_value = 100, .center_freq = 5500}, |
| 3752 | { .hw_value = 104, .center_freq = 5520}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3753 | { .hw_value = 108, .center_freq = 5540}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3754 | { .hw_value = 112, .center_freq = 5560}, |
| 3755 | { .hw_value = 116, .center_freq = 5580}, |
| 3756 | { .hw_value = 120, .center_freq = 5600}, |
| 3757 | { .hw_value = 124, .center_freq = 5620}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3758 | { .hw_value = 128, .center_freq = 5640}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3759 | { .hw_value = 132, .center_freq = 5660}, |
| 3760 | { .hw_value = 136, .center_freq = 5680}, |
| 3761 | { .hw_value = 140, .center_freq = 5700}, |
| 3762 | { .hw_value = 149, .center_freq = 5745}, |
Juuso Oikarinen | fa21c7a | 2010-08-10 08:22:02 +0200 | [diff] [blame] | 3763 | { .hw_value = 153, .center_freq = 5765}, |
Juuso Oikarinen | fa97f46 | 2010-11-10 11:27:20 +0100 | [diff] [blame] | 3764 | { .hw_value = 157, .center_freq = 5785}, |
| 3765 | { .hw_value = 161, .center_freq = 5805}, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3766 | { .hw_value = 165, .center_freq = 5825}, |
| 3767 | }; |
| 3768 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3769 | /* mapping to indexes for wl1271_rates_5ghz */ |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3770 | static const u8 wl1271_rate_to_idx_5ghz[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3771 | /* MCS rates are used only with 11n */ |
Shahar Levi | 1835785 | 2010-10-13 16:09:41 +0200 | [diff] [blame] | 3772 | 7, /* CONF_HW_RXTX_RATE_MCS7 */ |
| 3773 | 6, /* CONF_HW_RXTX_RATE_MCS6 */ |
| 3774 | 5, /* CONF_HW_RXTX_RATE_MCS5 */ |
| 3775 | 4, /* CONF_HW_RXTX_RATE_MCS4 */ |
| 3776 | 3, /* CONF_HW_RXTX_RATE_MCS3 */ |
| 3777 | 2, /* CONF_HW_RXTX_RATE_MCS2 */ |
| 3778 | 1, /* CONF_HW_RXTX_RATE_MCS1 */ |
| 3779 | 0, /* CONF_HW_RXTX_RATE_MCS0 */ |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3780 | |
| 3781 | 7, /* CONF_HW_RXTX_RATE_54 */ |
| 3782 | 6, /* CONF_HW_RXTX_RATE_48 */ |
| 3783 | 5, /* CONF_HW_RXTX_RATE_36 */ |
| 3784 | 4, /* CONF_HW_RXTX_RATE_24 */ |
| 3785 | |
| 3786 | /* TI-specific rate */ |
| 3787 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_22 */ |
| 3788 | |
| 3789 | 3, /* CONF_HW_RXTX_RATE_18 */ |
| 3790 | 2, /* CONF_HW_RXTX_RATE_12 */ |
| 3791 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_11 */ |
| 3792 | 1, /* CONF_HW_RXTX_RATE_9 */ |
| 3793 | 0, /* CONF_HW_RXTX_RATE_6 */ |
| 3794 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_5_5 */ |
| 3795 | CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_2 */ |
| 3796 | CONF_HW_RXTX_RATE_UNSUPPORTED /* CONF_HW_RXTX_RATE_1 */ |
| 3797 | }; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3798 | |
| 3799 | static struct ieee80211_supported_band wl1271_band_5ghz = { |
| 3800 | .channels = wl1271_channels_5ghz, |
| 3801 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), |
| 3802 | .bitrates = wl1271_rates_5ghz, |
| 3803 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), |
Shahar Levi | 00d2010 | 2010-11-08 11:20:10 +0000 | [diff] [blame] | 3804 | .ht_cap = WL12XX_HT_CAP, |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 3805 | }; |
| 3806 | |
Tobias Klauser | a0ea949 | 2010-05-20 10:38:11 +0200 | [diff] [blame] | 3807 | static const u8 *wl1271_band_rate_to_idx[] = { |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3808 | [IEEE80211_BAND_2GHZ] = wl1271_rate_to_idx_2ghz, |
| 3809 | [IEEE80211_BAND_5GHZ] = wl1271_rate_to_idx_5ghz |
| 3810 | }; |
| 3811 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3812 | static const struct ieee80211_ops wl1271_ops = { |
| 3813 | .start = wl1271_op_start, |
| 3814 | .stop = wl1271_op_stop, |
| 3815 | .add_interface = wl1271_op_add_interface, |
| 3816 | .remove_interface = wl1271_op_remove_interface, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 3817 | #ifdef CONFIG_PM |
Eliad Peller | 402e4861 | 2011-05-13 11:57:09 +0300 | [diff] [blame] | 3818 | .suspend = wl1271_op_suspend, |
| 3819 | .resume = wl1271_op_resume, |
Luciano Coelho | f634a4e | 2011-05-18 16:51:26 -0400 | [diff] [blame] | 3820 | #endif |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3821 | .config = wl1271_op_config, |
Juuso Oikarinen | c87dec9 | 2009-10-08 21:56:31 +0300 | [diff] [blame] | 3822 | .prepare_multicast = wl1271_op_prepare_multicast, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3823 | .configure_filter = wl1271_op_configure_filter, |
| 3824 | .tx = wl1271_op_tx, |
| 3825 | .set_key = wl1271_op_set_key, |
| 3826 | .hw_scan = wl1271_op_hw_scan, |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 3827 | .sched_scan_start = wl1271_op_sched_scan_start, |
| 3828 | .sched_scan_stop = wl1271_op_sched_scan_stop, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3829 | .bss_info_changed = wl1271_op_bss_info_changed, |
Arik Nemtsov | 68d069c | 2010-11-08 10:51:07 +0100 | [diff] [blame] | 3830 | .set_frag_threshold = wl1271_op_set_frag_threshold, |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3831 | .set_rts_threshold = wl1271_op_set_rts_threshold, |
Kalle Valo | c6999d8 | 2010-02-18 13:25:41 +0200 | [diff] [blame] | 3832 | .conf_tx = wl1271_op_conf_tx, |
Juuso Oikarinen | bbbb538 | 2010-07-08 17:49:57 +0300 | [diff] [blame] | 3833 | .get_tsf = wl1271_op_get_tsf, |
John W. Linville | ece550d | 2010-07-28 16:41:06 -0400 | [diff] [blame] | 3834 | .get_survey = wl1271_op_get_survey, |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 3835 | .sta_add = wl1271_op_sta_add, |
| 3836 | .sta_remove = wl1271_op_sta_remove, |
Levi, Shahar | bbba3e6 | 2011-01-23 07:27:23 +0100 | [diff] [blame] | 3837 | .ampdu_action = wl1271_op_ampdu_action, |
Arik Nemtsov | 3343789 | 2011-04-26 23:35:39 +0300 | [diff] [blame] | 3838 | .tx_frames_pending = wl1271_tx_frames_pending, |
Kalle Valo | c8c9087 | 2010-02-18 13:25:53 +0200 | [diff] [blame] | 3839 | CFG80211_TESTMODE_CMD(wl1271_tm_cmd) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3840 | }; |
| 3841 | |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3842 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3843 | u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band) |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3844 | { |
| 3845 | u8 idx; |
| 3846 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3847 | BUG_ON(band >= sizeof(wl1271_band_rate_to_idx)/sizeof(u8 *)); |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3848 | |
| 3849 | if (unlikely(rate >= CONF_HW_RXTX_RATE_MAX)) { |
| 3850 | wl1271_error("Illegal RX rate from HW: %d", rate); |
| 3851 | return 0; |
| 3852 | } |
| 3853 | |
Teemu Paasikivi | 6a2de93 | 2010-10-14 11:00:04 +0200 | [diff] [blame] | 3854 | idx = wl1271_band_rate_to_idx[band][rate]; |
Juuso Oikarinen | f876bb9 | 2010-03-26 12:53:11 +0200 | [diff] [blame] | 3855 | if (unlikely(idx == CONF_HW_RXTX_RATE_UNSUPPORTED)) { |
| 3856 | wl1271_error("Unsupported RX rate from HW: %d", rate); |
| 3857 | return 0; |
| 3858 | } |
| 3859 | |
| 3860 | return idx; |
| 3861 | } |
| 3862 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3863 | static ssize_t wl1271_sysfs_show_bt_coex_state(struct device *dev, |
| 3864 | struct device_attribute *attr, |
| 3865 | char *buf) |
| 3866 | { |
| 3867 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3868 | ssize_t len; |
| 3869 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 3870 | len = PAGE_SIZE; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3871 | |
| 3872 | mutex_lock(&wl->mutex); |
| 3873 | len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", |
| 3874 | wl->sg_enabled); |
| 3875 | mutex_unlock(&wl->mutex); |
| 3876 | |
| 3877 | return len; |
| 3878 | |
| 3879 | } |
| 3880 | |
| 3881 | static ssize_t wl1271_sysfs_store_bt_coex_state(struct device *dev, |
| 3882 | struct device_attribute *attr, |
| 3883 | const char *buf, size_t count) |
| 3884 | { |
| 3885 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3886 | unsigned long res; |
| 3887 | int ret; |
| 3888 | |
Luciano Coelho | 6277ed6 | 2011-04-01 17:49:54 +0300 | [diff] [blame] | 3889 | ret = kstrtoul(buf, 10, &res); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3890 | if (ret < 0) { |
| 3891 | wl1271_warning("incorrect value written to bt_coex_mode"); |
| 3892 | return count; |
| 3893 | } |
| 3894 | |
| 3895 | mutex_lock(&wl->mutex); |
| 3896 | |
| 3897 | res = !!res; |
| 3898 | |
| 3899 | if (res == wl->sg_enabled) |
| 3900 | goto out; |
| 3901 | |
| 3902 | wl->sg_enabled = res; |
| 3903 | |
| 3904 | if (wl->state == WL1271_STATE_OFF) |
| 3905 | goto out; |
| 3906 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 3907 | ret = wl1271_ps_elp_wakeup(wl); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 3908 | if (ret < 0) |
| 3909 | goto out; |
| 3910 | |
| 3911 | wl1271_acx_sg_enable(wl, wl->sg_enabled); |
| 3912 | wl1271_ps_elp_sleep(wl); |
| 3913 | |
| 3914 | out: |
| 3915 | mutex_unlock(&wl->mutex); |
| 3916 | return count; |
| 3917 | } |
| 3918 | |
| 3919 | static DEVICE_ATTR(bt_coex_state, S_IRUGO | S_IWUSR, |
| 3920 | wl1271_sysfs_show_bt_coex_state, |
| 3921 | wl1271_sysfs_store_bt_coex_state); |
| 3922 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3923 | static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, |
| 3924 | struct device_attribute *attr, |
| 3925 | char *buf) |
| 3926 | { |
| 3927 | struct wl1271 *wl = dev_get_drvdata(dev); |
| 3928 | ssize_t len; |
| 3929 | |
Juuso Oikarinen | 2f63b01 | 2010-08-10 06:38:35 +0200 | [diff] [blame] | 3930 | len = PAGE_SIZE; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 3931 | |
| 3932 | mutex_lock(&wl->mutex); |
| 3933 | if (wl->hw_pg_ver >= 0) |
| 3934 | len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); |
| 3935 | else |
| 3936 | len = snprintf(buf, len, "n/a\n"); |
| 3937 | mutex_unlock(&wl->mutex); |
| 3938 | |
| 3939 | return len; |
| 3940 | } |
| 3941 | |
| 3942 | static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, |
| 3943 | wl1271_sysfs_show_hw_pg_ver, NULL); |
| 3944 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 3945 | int wl1271_register_hw(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3946 | { |
| 3947 | int ret; |
| 3948 | |
| 3949 | if (wl->mac80211_registered) |
| 3950 | return 0; |
| 3951 | |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 3952 | ret = wl1271_fetch_nvs(wl); |
| 3953 | if (ret == 0) { |
Shahar Levi | bc765bf | 2011-03-06 16:32:10 +0200 | [diff] [blame] | 3954 | /* NOTE: The wl->nvs->nvs element must be first, in |
| 3955 | * order to simplify the casting, we assume it is at |
| 3956 | * the beginning of the wl->nvs structure. |
| 3957 | */ |
| 3958 | u8 *nvs_ptr = (u8 *)wl->nvs; |
Arik Nemtsov | 31d26ec | 2010-10-16 21:49:52 +0200 | [diff] [blame] | 3959 | |
| 3960 | wl->mac_addr[0] = nvs_ptr[11]; |
| 3961 | wl->mac_addr[1] = nvs_ptr[10]; |
| 3962 | wl->mac_addr[2] = nvs_ptr[6]; |
| 3963 | wl->mac_addr[3] = nvs_ptr[5]; |
| 3964 | wl->mac_addr[4] = nvs_ptr[4]; |
| 3965 | wl->mac_addr[5] = nvs_ptr[3]; |
| 3966 | } |
| 3967 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3968 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); |
| 3969 | |
| 3970 | ret = ieee80211_register_hw(wl->hw); |
| 3971 | if (ret < 0) { |
| 3972 | wl1271_error("unable to register mac80211 hw: %d", ret); |
| 3973 | return ret; |
| 3974 | } |
| 3975 | |
| 3976 | wl->mac80211_registered = true; |
| 3977 | |
Eliad Peller | d60080a | 2010-11-24 12:53:16 +0200 | [diff] [blame] | 3978 | wl1271_debugfs_init(wl); |
| 3979 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3980 | register_netdevice_notifier(&wl1271_dev_notifier); |
| 3981 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3982 | wl1271_notice("loaded"); |
| 3983 | |
| 3984 | return 0; |
| 3985 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 3986 | EXPORT_SYMBOL_GPL(wl1271_register_hw); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 3987 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3988 | void wl1271_unregister_hw(struct wl1271 *wl) |
| 3989 | { |
Juuso Oikarinen | 4ae3fa8 | 2011-01-14 12:48:46 +0100 | [diff] [blame] | 3990 | if (wl->state == WL1271_STATE_PLT) |
| 3991 | __wl1271_plt_stop(wl); |
| 3992 | |
Juuso Oikarinen | c2c192a | 2010-07-27 03:30:09 +0300 | [diff] [blame] | 3993 | unregister_netdevice_notifier(&wl1271_dev_notifier); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 3994 | ieee80211_unregister_hw(wl->hw); |
| 3995 | wl->mac80211_registered = false; |
| 3996 | |
| 3997 | } |
| 3998 | EXPORT_SYMBOL_GPL(wl1271_unregister_hw); |
| 3999 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4000 | int wl1271_init_ieee80211(struct wl1271 *wl) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4001 | { |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4002 | static const u32 cipher_suites[] = { |
| 4003 | WLAN_CIPHER_SUITE_WEP40, |
| 4004 | WLAN_CIPHER_SUITE_WEP104, |
| 4005 | WLAN_CIPHER_SUITE_TKIP, |
| 4006 | WLAN_CIPHER_SUITE_CCMP, |
| 4007 | WL1271_CIPHER_SUITE_GEM, |
| 4008 | }; |
| 4009 | |
Juuso Oikarinen | 1e2b797 | 2009-10-08 21:56:20 +0300 | [diff] [blame] | 4010 | /* The tx descriptor buffer and the TKIP space. */ |
| 4011 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + |
| 4012 | sizeof(struct wl1271_tx_hw_descr); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4013 | |
| 4014 | /* unit us */ |
| 4015 | /* FIXME: find a proper value */ |
| 4016 | wl->hw->channel_change_time = 10000; |
Juuso Oikarinen | 50c500a | 2010-04-01 11:38:22 +0300 | [diff] [blame] | 4017 | wl->hw->max_listen_interval = wl->conf.conn.max_listen_interval; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4018 | |
| 4019 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Juuso Oikarinen | 03442a3 | 2009-11-23 23:22:14 +0200 | [diff] [blame] | 4020 | IEEE80211_HW_BEACON_FILTER | |
Juuso Oikarinen | 0a34332 | 2010-02-22 08:38:41 +0200 | [diff] [blame] | 4021 | IEEE80211_HW_SUPPORTS_PS | |
Kalle Valo | 4695dc9 | 2010-03-18 12:26:38 +0200 | [diff] [blame] | 4022 | IEEE80211_HW_SUPPORTS_UAPSD | |
Juuso Oikarinen | a9af092 | 2010-03-26 12:53:30 +0200 | [diff] [blame] | 4023 | IEEE80211_HW_HAS_RATE_CONTROL | |
Juuso Oikarinen | 00236aed | 2010-04-09 11:07:30 +0300 | [diff] [blame] | 4024 | IEEE80211_HW_CONNECTION_MONITOR | |
Eliad Peller | 62c0740 | 2011-02-02 11:20:05 +0200 | [diff] [blame] | 4025 | IEEE80211_HW_SUPPORTS_CQM_RSSI | |
Luciano Coelho | 25eaea30 | 2011-05-02 12:37:33 +0300 | [diff] [blame] | 4026 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Shahar Levi | fcd23b6 | 2011-05-11 12:12:56 +0300 | [diff] [blame] | 4027 | IEEE80211_HW_SPECTRUM_MGMT | |
Arik Nemtsov | ba7c082 | 2011-02-23 00:22:28 +0200 | [diff] [blame] | 4028 | IEEE80211_HW_AP_LINK_PS; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4029 | |
Juuso Oikarinen | 7a55724 | 2010-09-27 12:42:07 +0200 | [diff] [blame] | 4030 | wl->hw->wiphy->cipher_suites = cipher_suites; |
| 4031 | wl->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 4032 | |
Juuso Oikarinen | e0d8bbf | 2009-12-11 15:41:04 +0200 | [diff] [blame] | 4033 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
Arik Nemtsov | 038d925 | 2010-10-16 21:53:24 +0200 | [diff] [blame] | 4034 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4035 | wl->hw->wiphy->max_scan_ssids = 1; |
Guy Eilam | ea559b4 | 2010-12-09 16:54:59 +0200 | [diff] [blame] | 4036 | /* |
| 4037 | * Maximum length of elements in scanning probe request templates |
| 4038 | * should be the maximum length possible for a template, without |
| 4039 | * the IEEE80211 header of the template |
| 4040 | */ |
| 4041 | wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - |
| 4042 | sizeof(struct ieee80211_header); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4043 | |
Luciano Coelho | 4a31c11 | 2011-03-21 23:16:14 +0200 | [diff] [blame] | 4044 | /* make sure all our channels fit in the scanned_ch bitmask */ |
| 4045 | BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + |
| 4046 | ARRAY_SIZE(wl1271_channels_5ghz) > |
| 4047 | WL1271_MAX_CHANNELS); |
Luciano Coelho | a8aaaf5 | 2011-01-11 18:25:18 +0100 | [diff] [blame] | 4048 | /* |
| 4049 | * We keep local copies of the band structs because we need to |
| 4050 | * modify them on a per-device basis. |
| 4051 | */ |
| 4052 | memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, |
| 4053 | sizeof(wl1271_band_2ghz)); |
| 4054 | memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, |
| 4055 | sizeof(wl1271_band_5ghz)); |
| 4056 | |
| 4057 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 4058 | &wl->bands[IEEE80211_BAND_2GHZ]; |
| 4059 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 4060 | &wl->bands[IEEE80211_BAND_5GHZ]; |
Teemu Paasikivi | 1ebec3d | 2009-10-13 12:47:48 +0300 | [diff] [blame] | 4061 | |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4062 | wl->hw->queues = 4; |
Juuso Oikarinen | 31627dc | 2010-03-26 12:53:12 +0200 | [diff] [blame] | 4063 | wl->hw->max_rates = 1; |
Kalle Valo | 12bd894 | 2010-03-18 12:26:33 +0200 | [diff] [blame] | 4064 | |
Juuso Oikarinen | b7417d9 | 2010-11-10 11:27:19 +0100 | [diff] [blame] | 4065 | wl->hw->wiphy->reg_notifier = wl1271_reg_notify; |
| 4066 | |
Teemu Paasikivi | 8197b71 | 2010-02-22 08:38:23 +0200 | [diff] [blame] | 4067 | SET_IEEE80211_DEV(wl->hw, wl1271_wl_to_dev(wl)); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4068 | |
Arik Nemtsov | f84f7d7 | 2010-10-16 20:21:23 +0200 | [diff] [blame] | 4069 | wl->hw->sta_data_size = sizeof(struct wl1271_station); |
| 4070 | |
Luciano Coelho | 4c9cfa7 | 2011-01-12 14:27:03 +0100 | [diff] [blame] | 4071 | wl->hw->max_rx_aggregation_subframes = 8; |
| 4072 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4073 | return 0; |
| 4074 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4075 | EXPORT_SYMBOL_GPL(wl1271_init_ieee80211); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4076 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4077 | #define WL1271_DEFAULT_CHANNEL 0 |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4078 | |
Teemu Paasikivi | 2d5e82b | 2010-02-22 08:38:21 +0200 | [diff] [blame] | 4079 | struct ieee80211_hw *wl1271_alloc_hw(void) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4080 | { |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4081 | struct ieee80211_hw *hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4082 | struct platform_device *plat_dev = NULL; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4083 | struct wl1271 *wl; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4084 | int i, j, ret; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4085 | unsigned int order; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4086 | |
| 4087 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); |
| 4088 | if (!hw) { |
| 4089 | wl1271_error("could not alloc ieee80211_hw"); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4090 | ret = -ENOMEM; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4091 | goto err_hw_alloc; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4092 | } |
| 4093 | |
Julia Lawall | 929ebd3 | 2010-05-15 23:16:39 +0200 | [diff] [blame] | 4094 | plat_dev = kmemdup(&wl1271_device, sizeof(wl1271_device), GFP_KERNEL); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4095 | if (!plat_dev) { |
| 4096 | wl1271_error("could not allocate platform_device"); |
| 4097 | ret = -ENOMEM; |
| 4098 | goto err_plat_alloc; |
| 4099 | } |
| 4100 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4101 | wl = hw->priv; |
| 4102 | memset(wl, 0, sizeof(*wl)); |
| 4103 | |
Juuso Oikarinen | 01c0916 | 2009-10-13 12:47:55 +0300 | [diff] [blame] | 4104 | INIT_LIST_HEAD(&wl->list); |
| 4105 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4106 | wl->hw = hw; |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4107 | wl->plat_dev = plat_dev; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4108 | |
Juuso Oikarinen | 6742f55 | 2010-12-13 09:52:37 +0200 | [diff] [blame] | 4109 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 4110 | skb_queue_head_init(&wl->tx_queue[i]); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4111 | |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4112 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 4113 | for (j = 0; j < AP_MAX_LINKS; j++) |
| 4114 | skb_queue_head_init(&wl->links[j].tx_queue[i]); |
| 4115 | |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4116 | skb_queue_head_init(&wl->deferred_rx_queue); |
| 4117 | skb_queue_head_init(&wl->deferred_tx_queue); |
| 4118 | |
Juuso Oikarinen | 37b70a8 | 2009-10-08 21:56:21 +0300 | [diff] [blame] | 4119 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
Juuso Oikarinen | 90494a9 | 2010-07-08 17:50:00 +0300 | [diff] [blame] | 4120 | INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work); |
Ido Yariv | a620865 | 2011-03-01 15:14:41 +0200 | [diff] [blame] | 4121 | INIT_WORK(&wl->netstack_work, wl1271_netstack_work); |
Juuso Oikarinen | 117b38d | 2010-09-30 10:43:28 +0200 | [diff] [blame] | 4122 | INIT_WORK(&wl->tx_work, wl1271_tx_work); |
| 4123 | INIT_WORK(&wl->recovery_work, wl1271_recovery_work); |
| 4124 | INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 4125 | INIT_WORK(&wl->rx_streaming_enable_work, |
| 4126 | wl1271_rx_streaming_enable_work); |
| 4127 | INIT_WORK(&wl->rx_streaming_disable_work, |
| 4128 | wl1271_rx_streaming_disable_work); |
| 4129 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4130 | wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); |
| 4131 | if (!wl->freezable_wq) { |
| 4132 | ret = -ENOMEM; |
| 4133 | goto err_hw; |
| 4134 | } |
| 4135 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4136 | wl->channel = WL1271_DEFAULT_CHANNEL; |
Juuso Oikarinen | 60e84c2 | 2010-03-26 12:53:25 +0200 | [diff] [blame] | 4137 | wl->beacon_int = WL1271_DEFAULT_BEACON_INT; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4138 | wl->default_key = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4139 | wl->rx_counter = 0; |
Arik Nemtsov | ae113b5 | 2010-10-16 18:45:07 +0200 | [diff] [blame] | 4140 | wl->rx_config = WL1271_DEFAULT_STA_RX_CONFIG; |
| 4141 | wl->rx_filter = WL1271_DEFAULT_STA_RX_FILTER; |
Juuso Oikarinen | 19ad071 | 2009-11-02 20:22:11 +0200 | [diff] [blame] | 4142 | wl->psm_entry_retry = 0; |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4143 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; |
Juuso Oikarinen | a6fe231 | 2009-12-11 15:40:58 +0200 | [diff] [blame] | 4144 | wl->basic_rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | ebba60c | 2010-04-01 11:38:20 +0300 | [diff] [blame] | 4145 | wl->basic_rate = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 4146 | wl->rate_set = CONF_TX_RATE_MASK_BASIC; |
Juuso Oikarinen | 8a5a37a | 2009-10-08 21:56:24 +0300 | [diff] [blame] | 4147 | wl->band = IEEE80211_BAND_2GHZ; |
Juuso Oikarinen | b771eee | 2009-10-08 21:56:34 +0300 | [diff] [blame] | 4148 | wl->vif = NULL; |
Juuso Oikarinen | 830fb67 | 2009-12-11 15:41:06 +0200 | [diff] [blame] | 4149 | wl->flags = 0; |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4150 | wl->sg_enabled = true; |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4151 | wl->hw_pg_ver = -1; |
Arik Nemtsov | 166d504 | 2010-10-16 21:44:57 +0200 | [diff] [blame] | 4152 | wl->bss_type = MAX_BSS_TYPE; |
| 4153 | wl->set_bss_type = MAX_BSS_TYPE; |
| 4154 | wl->fw_bss_type = MAX_BSS_TYPE; |
Arik Nemtsov | a8c0ddb | 2011-02-23 00:22:26 +0200 | [diff] [blame] | 4155 | wl->last_tx_hlid = 0; |
Arik Nemtsov | b622d99 | 2011-02-23 00:22:31 +0200 | [diff] [blame] | 4156 | wl->ap_ps_map = 0; |
| 4157 | wl->ap_fw_ps_map = 0; |
Ido Yariv | 606ea9f | 2011-03-01 15:14:39 +0200 | [diff] [blame] | 4158 | wl->quirks = 0; |
Ido Yariv | 341b7cd | 2011-03-31 10:07:01 +0200 | [diff] [blame] | 4159 | wl->platform_quirks = 0; |
Luciano Coelho | 33c2c06 | 2011-05-10 14:46:02 +0300 | [diff] [blame] | 4160 | wl->sched_scanning = false; |
Eliad Peller | 77ddaa1 | 2011-05-15 11:10:29 +0300 | [diff] [blame] | 4161 | setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, |
| 4162 | (unsigned long) wl); |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4163 | |
Ido Yariv | 25eeb9e | 2010-10-12 16:20:06 +0200 | [diff] [blame] | 4164 | memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); |
Juuso Oikarinen | be7078c | 2009-10-08 21:56:26 +0300 | [diff] [blame] | 4165 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4166 | wl->tx_frames[i] = NULL; |
| 4167 | |
| 4168 | spin_lock_init(&wl->wl_lock); |
| 4169 | |
Luciano Coelho | f5fc0f8 | 2009-08-06 16:25:28 +0300 | [diff] [blame] | 4170 | wl->state = WL1271_STATE_OFF; |
| 4171 | mutex_init(&wl->mutex); |
| 4172 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4173 | /* Apply default driver configuration. */ |
| 4174 | wl1271_conf_init(wl); |
| 4175 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4176 | order = get_order(WL1271_AGGR_BUFFER_SIZE); |
| 4177 | wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); |
| 4178 | if (!wl->aggr_buf) { |
| 4179 | ret = -ENOMEM; |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4180 | goto err_wq; |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4181 | } |
| 4182 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4183 | wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); |
| 4184 | if (!wl->dummy_packet) { |
| 4185 | ret = -ENOMEM; |
| 4186 | goto err_aggr; |
| 4187 | } |
| 4188 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4189 | /* Register platform device */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4190 | ret = platform_device_register(wl->plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4191 | if (ret) { |
| 4192 | wl1271_error("couldn't register platform device"); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4193 | goto err_dummy_packet; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4194 | } |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4195 | dev_set_drvdata(&wl->plat_dev->dev, wl); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4196 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4197 | /* Create sysfs file to control bt coex state */ |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4198 | 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] | 4199 | if (ret < 0) { |
| 4200 | wl1271_error("failed to create sysfs file bt_coex_state"); |
| 4201 | goto err_platform; |
| 4202 | } |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4203 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4204 | /* Create sysfs file to get HW PG version */ |
| 4205 | ret = device_create_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); |
| 4206 | if (ret < 0) { |
| 4207 | wl1271_error("failed to create sysfs file hw_pg_ver"); |
| 4208 | goto err_bt_coex_state; |
| 4209 | } |
| 4210 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4211 | return hw; |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4212 | |
Juuso Oikarinen | d717fd6 | 2010-05-07 11:38:58 +0300 | [diff] [blame] | 4213 | err_bt_coex_state: |
| 4214 | device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); |
| 4215 | |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4216 | err_platform: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4217 | platform_device_unregister(wl->plat_dev); |
Juuso Oikarinen | 7fc3a86 | 2010-03-18 12:26:32 +0200 | [diff] [blame] | 4218 | |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4219 | err_dummy_packet: |
| 4220 | dev_kfree_skb(wl->dummy_packet); |
| 4221 | |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4222 | err_aggr: |
| 4223 | free_pages((unsigned long)wl->aggr_buf, order); |
| 4224 | |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4225 | err_wq: |
| 4226 | destroy_workqueue(wl->freezable_wq); |
| 4227 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4228 | err_hw: |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4229 | wl1271_debugfs_exit(wl); |
| 4230 | kfree(plat_dev); |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4231 | |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4232 | err_plat_alloc: |
| 4233 | ieee80211_free_hw(hw); |
| 4234 | |
| 4235 | err_hw_alloc: |
| 4236 | |
Juuso Oikarinen | a1dd818 | 2010-03-18 12:26:31 +0200 | [diff] [blame] | 4237 | return ERR_PTR(ret); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4238 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4239 | EXPORT_SYMBOL_GPL(wl1271_alloc_hw); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4240 | |
| 4241 | int wl1271_free_hw(struct wl1271 *wl) |
| 4242 | { |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4243 | platform_device_unregister(wl->plat_dev); |
Ido Yariv | 990f5de | 2011-03-31 10:06:59 +0200 | [diff] [blame] | 4244 | dev_kfree_skb(wl->dummy_packet); |
Ido Yariv | 1f37cbc | 2010-09-30 13:28:27 +0200 | [diff] [blame] | 4245 | free_pages((unsigned long)wl->aggr_buf, |
| 4246 | get_order(WL1271_AGGR_BUFFER_SIZE)); |
Teemu Paasikivi | 3b56dd6 | 2010-03-18 12:26:46 +0200 | [diff] [blame] | 4247 | kfree(wl->plat_dev); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4248 | |
| 4249 | wl1271_debugfs_exit(wl); |
| 4250 | |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4251 | vfree(wl->fw); |
| 4252 | wl->fw = NULL; |
| 4253 | kfree(wl->nvs); |
| 4254 | wl->nvs = NULL; |
| 4255 | |
| 4256 | kfree(wl->fw_status); |
| 4257 | kfree(wl->tx_res_if); |
Eliad Peller | 92ef896 | 2011-06-07 12:50:46 +0300 | [diff] [blame] | 4258 | destroy_workqueue(wl->freezable_wq); |
Teemu Paasikivi | c332a4b | 2010-02-18 13:25:57 +0200 | [diff] [blame] | 4259 | |
| 4260 | ieee80211_free_hw(wl->hw); |
| 4261 | |
| 4262 | return 0; |
| 4263 | } |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4264 | EXPORT_SYMBOL_GPL(wl1271_free_hw); |
| 4265 | |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 4266 | u32 wl12xx_debug_level = DEBUG_NONE; |
Eliad Peller | 17c1755 | 2010-12-12 12:15:35 +0200 | [diff] [blame] | 4267 | EXPORT_SYMBOL_GPL(wl12xx_debug_level); |
Guy Eilam | 491bbd6 | 2011-01-12 10:33:29 +0100 | [diff] [blame] | 4268 | 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] | 4269 | MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); |
| 4270 | |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4271 | MODULE_LICENSE("GPL"); |
Luciano Coelho | b1a48ca | 2011-02-22 14:19:28 +0200 | [diff] [blame] | 4272 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
Teemu Paasikivi | 50b3eb4 | 2010-02-22 08:38:26 +0200 | [diff] [blame] | 4273 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |