Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 3 | * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 4 | * |
| 5 | * Portions of this file are derived from the ipw3945 project, as well |
| 6 | * as portions of the ieee80211 subsystem header files. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of version 2 of the GNU General Public License as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 15 | * more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along with |
| 18 | * this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 20 | * |
| 21 | * The full GNU General Public License is included in this distribution in the |
| 22 | * file called LICENSE. |
| 23 | * |
| 24 | * Contact Information: |
Winkler, Tomas | 759ef89 | 2008-12-09 11:28:58 -0800 | [diff] [blame] | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 27 | * |
| 28 | *****************************************************************************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 29 | #include <linux/kernel.h> |
| 30 | #include <linux/module.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 31 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 33 | #include <linux/delay.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 34 | #include <linux/sched.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 35 | #include <linux/skbuff.h> |
| 36 | #include <linux/netdevice.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 37 | #include <linux/etherdevice.h> |
| 38 | #include <linux/if_arp.h> |
| 39 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 40 | #include <net/mac80211.h> |
| 41 | |
| 42 | #include <asm/div64.h> |
| 43 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 44 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 45 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 46 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 47 | #include "iwl-io.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 48 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 49 | #include "iwl-agn.h" |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 50 | #include "iwl-shared.h" |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 51 | #include "iwl-trans.h" |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 52 | #include "iwl-op-mode.h" |
Christoph Hellwig | 416e143 | 2007-10-25 17:15:49 +0800 | [diff] [blame] | 53 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 54 | /****************************************************************************** |
| 55 | * |
| 56 | * module boiler plate |
| 57 | * |
| 58 | ******************************************************************************/ |
| 59 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 60 | /* |
| 61 | * module name, copyright, version, etc. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 62 | */ |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 63 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 64 | |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 65 | #ifdef CONFIG_IWLWIFI_DEBUG |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 66 | #define VD "d" |
| 67 | #else |
| 68 | #define VD |
| 69 | #endif |
| 70 | |
Reinette Chatre | 81963d6 | 2010-01-22 14:22:57 -0800 | [diff] [blame] | 71 | #define DRV_VERSION IWLWIFI_VERSION VD |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 72 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 73 | |
| 74 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 75 | MODULE_VERSION(DRV_VERSION); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 76 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 77 | MODULE_LICENSE("GPL"); |
Don Fry | 3c607d2 | 2011-09-30 11:40:20 -0700 | [diff] [blame] | 78 | MODULE_ALIAS("iwlagn"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 79 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 80 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 81 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 82 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 83 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 84 | for_each_context(priv, ctx) { |
| 85 | iwlagn_set_rxon_chain(priv, ctx); |
| 86 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 87 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 88 | } |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 91 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 92 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 93 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 94 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 95 | { |
| 96 | u16 tim_idx; |
| 97 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 98 | |
| 99 | /* |
| 100 | * The index is relative to frame start but we start looking at the |
| 101 | * variable-length part of the beacon. |
| 102 | */ |
| 103 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 104 | |
| 105 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 106 | while ((tim_idx < (frame_size - 2)) && |
| 107 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 108 | tim_idx += beacon[tim_idx+1] + 2; |
| 109 | |
| 110 | /* If TIM field was found, set variables */ |
| 111 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 112 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 113 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 114 | } else |
| 115 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 116 | } |
| 117 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 118 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 119 | { |
| 120 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 121 | struct iwl_host_cmd cmd = { |
| 122 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 123 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 124 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 125 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 126 | u32 frame_size; |
| 127 | u32 rate_flags; |
| 128 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 129 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 130 | /* |
| 131 | * We have to set up the TX command, the TX Beacon command, and the |
| 132 | * beacon contents. |
| 133 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 134 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 135 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 136 | |
| 137 | if (!priv->beacon_ctx) { |
| 138 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 139 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 140 | } |
| 141 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 142 | if (WARN_ON(!priv->beacon_skb)) |
| 143 | return -EINVAL; |
| 144 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 145 | /* Allocate beacon command */ |
| 146 | if (!priv->beacon_cmd) |
| 147 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 148 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 149 | if (!tx_beacon_cmd) |
| 150 | return -ENOMEM; |
| 151 | |
| 152 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 153 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 154 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 155 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 156 | tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 157 | tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 158 | tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 159 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 160 | |
| 161 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 162 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 163 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 164 | |
| 165 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 166 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 167 | |
| 168 | /* |
| 169 | * Let's set up the rate at least somewhat correctly; |
| 170 | * it will currently not actually be used by the uCode, |
| 171 | * it uses the broadcast station's rate instead. |
| 172 | */ |
| 173 | if (info->control.rates[0].idx < 0 || |
| 174 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 175 | rate = 0; |
| 176 | else |
| 177 | rate = info->control.rates[0].idx; |
| 178 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 179 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 180 | hw_params(priv).valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 181 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 182 | |
| 183 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 184 | if (info->band == IEEE80211_BAND_5GHZ) |
| 185 | rate += IWL_FIRST_OFDM_RATE; |
| 186 | else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 187 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 188 | |
| 189 | tx_beacon_cmd->tx.rate_n_flags = |
| 190 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 191 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 192 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 193 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 194 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 195 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 196 | cmd.len[1] = frame_size; |
| 197 | cmd.data[1] = priv->beacon_skb->data; |
| 198 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 199 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 200 | return iwl_dvm_send_cmd(priv, &cmd); |
Samuel Ortiz | a8e74e27 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 201 | } |
| 202 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 203 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 204 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 205 | struct iwl_priv *priv = |
| 206 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 207 | struct sk_buff *beacon; |
| 208 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 209 | mutex_lock(&priv->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 210 | if (!priv->beacon_ctx) { |
| 211 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 212 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 213 | } |
| 214 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 215 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 216 | /* |
| 217 | * The ucode will send beacon notifications even in |
| 218 | * IBSS mode, but we don't want to process them. But |
| 219 | * we need to defer the type check to here due to |
| 220 | * requiring locking around the beacon_ctx access. |
| 221 | */ |
| 222 | goto out; |
| 223 | } |
| 224 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 225 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 226 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 227 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 228 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 229 | goto out; |
| 230 | } |
| 231 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 232 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 233 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 234 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 235 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 236 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 237 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 238 | out: |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 239 | mutex_unlock(&priv->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 242 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 243 | { |
| 244 | struct iwl_priv *priv = |
| 245 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 246 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 247 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 248 | return; |
| 249 | |
| 250 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 251 | if (!iwl_is_ready_rf(priv)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 252 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 253 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 254 | } |
| 255 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 256 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 257 | { |
| 258 | struct iwl_priv *priv = |
| 259 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 260 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 261 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 262 | mutex_lock(&priv->mutex); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 263 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 264 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 265 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 266 | |
| 267 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 268 | if (!iwl_is_ready_rf(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 269 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 270 | |
| 271 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 272 | priv->bt_full_concurrent ? |
| 273 | "full concurrency" : "3-wire"); |
| 274 | |
| 275 | /* |
| 276 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 277 | * to avoid 3-wire collisions |
| 278 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 279 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 280 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 281 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 282 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 283 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 284 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 285 | out: |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 286 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 287 | } |
| 288 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 289 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 290 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 291 | * |
| 292 | * This callback is provided in order to send a statistics request. |
| 293 | * |
| 294 | * This timer function is continually reset to execute within |
| 295 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 296 | * was received. We need to ensure we receive the statistics in order |
| 297 | * to update the temperature used for calibrating the TXPOWER. |
| 298 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 299 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 300 | { |
| 301 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 302 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 303 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 304 | return; |
| 305 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 306 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 307 | if (!iwl_is_ready_rf(priv)) |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 308 | return; |
| 309 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 310 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 311 | } |
| 312 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 313 | |
| 314 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 315 | u32 start_idx, u32 num_events, |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 316 | u32 capacity, u32 mode) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 317 | { |
| 318 | u32 i; |
| 319 | u32 ptr; /* SRAM byte address of log data */ |
| 320 | u32 ev, time, data; /* event log data */ |
| 321 | unsigned long reg_flags; |
| 322 | |
| 323 | if (mode == 0) |
| 324 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 325 | else |
| 326 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 327 | |
| 328 | /* Make sure device is powered up for SRAM reads */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 329 | spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); |
Stanislaw Gruszka | bfe4b80 | 2012-03-07 09:52:24 -0800 | [diff] [blame] | 330 | if (unlikely(!iwl_grab_nic_access(trans(priv)))) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 331 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 332 | return; |
| 333 | } |
| 334 | |
| 335 | /* Set starting address; reads will auto-increment */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 336 | iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 337 | |
| 338 | /* |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 339 | * Refuse to read more than would have fit into the log from |
| 340 | * the current start_idx. This used to happen due to the race |
| 341 | * described below, but now WARN because the code below should |
| 342 | * prevent it from happening here. |
| 343 | */ |
| 344 | if (WARN_ON(num_events > capacity - start_idx)) |
| 345 | num_events = capacity - start_idx; |
| 346 | |
| 347 | /* |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 348 | * "time" is actually "data" for mode 0 (no timestamp). |
| 349 | * place event id # at far right for easier visual parsing. |
| 350 | */ |
| 351 | for (i = 0; i < num_events; i++) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 352 | ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
| 353 | time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 354 | if (mode == 0) { |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 355 | trace_iwlwifi_dev_ucode_cont_event( |
| 356 | trans(priv)->dev, 0, time, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 357 | } else { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 358 | data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 359 | trace_iwlwifi_dev_ucode_cont_event( |
| 360 | trans(priv)->dev, time, data, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 361 | } |
| 362 | } |
| 363 | /* Allow device to power down */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 364 | iwl_release_nic_access(trans(priv)); |
| 365 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 366 | } |
| 367 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 368 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 369 | { |
| 370 | u32 capacity; /* event log capacity in # entries */ |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 371 | struct { |
| 372 | u32 capacity; |
| 373 | u32 mode; |
| 374 | u32 wrap_counter; |
| 375 | u32 write_counter; |
| 376 | } __packed read; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 377 | u32 base; /* SRAM byte address of event log header */ |
| 378 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 379 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 380 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 381 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 382 | base = priv->shrd->device_pointers.log_event_table; |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 383 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 384 | iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 385 | |
| 386 | capacity = read.capacity; |
| 387 | mode = read.mode; |
| 388 | num_wraps = read.wrap_counter; |
| 389 | next_entry = read.write_counter; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 390 | } else |
| 391 | return; |
| 392 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 393 | /* |
| 394 | * Unfortunately, the uCode doesn't use temporary variables. |
| 395 | * Therefore, it can happen that we read next_entry == capacity, |
| 396 | * which really means next_entry == 0. |
| 397 | */ |
| 398 | if (unlikely(next_entry == capacity)) |
| 399 | next_entry = 0; |
| 400 | /* |
| 401 | * Additionally, the uCode increases the write pointer before |
| 402 | * the wraps counter, so if the write pointer is smaller than |
| 403 | * the old write pointer (wrap occurred) but we read that no |
| 404 | * wrap occurred, we actually read between the next_entry and |
| 405 | * num_wraps update (this does happen in practice!!) -- take |
| 406 | * that into account by increasing num_wraps. |
| 407 | */ |
| 408 | if (unlikely(next_entry < priv->event_log.next_entry && |
| 409 | num_wraps == priv->event_log.num_wraps)) |
| 410 | num_wraps++; |
| 411 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 412 | if (num_wraps == priv->event_log.num_wraps) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 413 | iwl_print_cont_event_trace( |
| 414 | priv, base, priv->event_log.next_entry, |
| 415 | next_entry - priv->event_log.next_entry, |
| 416 | capacity, mode); |
| 417 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 418 | priv->event_log.non_wraps_count++; |
| 419 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 420 | if (num_wraps - priv->event_log.num_wraps > 1) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 421 | priv->event_log.wraps_more_count++; |
| 422 | else |
| 423 | priv->event_log.wraps_once_count++; |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 424 | |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 425 | trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev, |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 426 | num_wraps - priv->event_log.num_wraps, |
| 427 | next_entry, priv->event_log.next_entry); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 428 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 429 | if (next_entry < priv->event_log.next_entry) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 430 | iwl_print_cont_event_trace( |
| 431 | priv, base, priv->event_log.next_entry, |
| 432 | capacity - priv->event_log.next_entry, |
| 433 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 434 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 435 | iwl_print_cont_event_trace( |
| 436 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 437 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 438 | iwl_print_cont_event_trace( |
| 439 | priv, base, next_entry, |
| 440 | capacity - next_entry, |
| 441 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 442 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 443 | iwl_print_cont_event_trace( |
| 444 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 445 | } |
| 446 | } |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 447 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 448 | priv->event_log.num_wraps = num_wraps; |
| 449 | priv->event_log.next_entry = next_entry; |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 454 | * |
| 455 | * The timer is continually set to execute every |
| 456 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 457 | * this function is to perform continuous uCode event logging operation |
| 458 | * if enabled |
| 459 | */ |
| 460 | static void iwl_bg_ucode_trace(unsigned long data) |
| 461 | { |
| 462 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 463 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 464 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 465 | return; |
| 466 | |
| 467 | if (priv->event_log.ucode_trace) { |
| 468 | iwl_continuous_event_trace(priv); |
| 469 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 470 | mod_timer(&priv->ucode_trace, |
| 471 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 472 | } |
| 473 | } |
| 474 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 475 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 476 | { |
| 477 | struct iwl_priv *priv = |
| 478 | container_of(work, struct iwl_priv, tx_flush); |
| 479 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 480 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 481 | return; |
| 482 | |
| 483 | /* do nothing if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 484 | if (!iwl_is_ready_rf(priv)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 485 | return; |
| 486 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 487 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 488 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 489 | } |
| 490 | |
Johannes Berg | e6dd583 | 2012-03-07 09:52:40 -0800 | [diff] [blame] | 491 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 492 | { |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 493 | int i; |
| 494 | |
| 495 | /* |
| 496 | * The default context is always valid, |
| 497 | * the PAN context depends on uCode. |
| 498 | */ |
Emmanuel Grumbach | 7a10e3e4 | 2011-09-06 09:31:21 -0700 | [diff] [blame] | 499 | priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 500 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
Emmanuel Grumbach | 7a10e3e4 | 2011-09-06 09:31:21 -0700 | [diff] [blame] | 501 | priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 502 | |
| 503 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 504 | priv->contexts[i].ctxid = i; |
| 505 | |
| 506 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 507 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
| 508 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 509 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 510 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
| 511 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
| 512 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
| 513 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Don Fry | 87272af | 2012-01-25 15:26:34 -0800 | [diff] [blame] | 514 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 515 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 516 | BIT(NL80211_IFTYPE_ADHOC); |
| 517 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 518 | BIT(NL80211_IFTYPE_STATION); |
| 519 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
| 520 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 521 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 522 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
| 523 | |
| 524 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
| 525 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 526 | REPLY_WIPAN_RXON_TIMING; |
| 527 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 528 | REPLY_WIPAN_RXON_ASSOC; |
| 529 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 530 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 531 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 532 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 533 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 534 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 535 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 536 | |
| 537 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) |
| 538 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 539 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 540 | BIT(NL80211_IFTYPE_P2P_GO); |
| 541 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 542 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 543 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 544 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
| 545 | |
| 546 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 547 | } |
| 548 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 549 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 550 | { |
| 551 | struct iwl_ct_kill_config cmd; |
| 552 | struct iwl_ct_kill_throttling_config adv_cmd; |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 553 | int ret = 0; |
| 554 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 555 | iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 556 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
Johannes Berg | 08ae86a | 2012-03-05 11:24:27 -0800 | [diff] [blame] | 557 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 558 | priv->thermal_throttle.ct_kill_toggle = false; |
| 559 | |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 560 | if (cfg(priv)->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 561 | adv_cmd.critical_temperature_enter = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 562 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 563 | adv_cmd.critical_temperature_exit = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 564 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 565 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 566 | ret = iwl_dvm_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 567 | REPLY_CT_KILL_CONFIG_CMD, |
| 568 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 569 | if (ret) |
| 570 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 571 | else |
| 572 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 573 | "succeeded, critical temperature enter is %d," |
| 574 | "exit is %d\n", |
| 575 | hw_params(priv).ct_kill_threshold, |
| 576 | hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 577 | } else { |
| 578 | cmd.critical_temperature_R = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 579 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 580 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 581 | ret = iwl_dvm_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 582 | REPLY_CT_KILL_CONFIG_CMD, |
| 583 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 584 | if (ret) |
| 585 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 586 | else |
| 587 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 588 | "succeeded, " |
| 589 | "critical temperature is %d\n", |
| 590 | hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 591 | } |
| 592 | } |
| 593 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 594 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 595 | { |
| 596 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 597 | struct iwl_host_cmd cmd = { |
| 598 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 599 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 600 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 601 | }; |
| 602 | |
| 603 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
Wey-Yi Guy | af4dc88 | 2011-10-04 07:10:19 -0700 | [diff] [blame] | 604 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 605 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 606 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 607 | return iwl_dvm_send_cmd(priv, &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 611 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
| 612 | { |
| 613 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { |
| 614 | .valid = cpu_to_le32(valid_tx_ant), |
| 615 | }; |
| 616 | |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 617 | if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 618 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 619 | return iwl_dvm_send_cmd_pdu(priv, |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 620 | TX_ANT_CONFIGURATION_CMD, |
| 621 | CMD_SYNC, |
| 622 | sizeof(struct iwl_tx_ant_config_cmd), |
| 623 | &tx_ant_cmd); |
| 624 | } else { |
| 625 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); |
| 626 | return -EOPNOTSUPP; |
| 627 | } |
| 628 | } |
| 629 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 630 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 631 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 632 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 633 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 634 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 635 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 636 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 637 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 638 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 639 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 640 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 641 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 642 | /* After the ALIVE response, we can send host commands to the uCode */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 643 | set_bit(STATUS_ALIVE, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 644 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 645 | /* Enable watchdog to monitor the driver tx queues */ |
| 646 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 647 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 648 | if (iwl_is_rfkill(priv)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 649 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 650 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 651 | if (priv->event_log.ucode_trace) { |
| 652 | /* start collecting data now */ |
| 653 | mod_timer(&priv->ucode_trace, jiffies); |
| 654 | } |
| 655 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 656 | /* download priority table before any calibration request */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 657 | if (cfg(priv)->bt_params && |
| 658 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 659 | /* Configure Bluetooth device coexistence support */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 660 | if (cfg(priv)->bt_params->bt_sco_disable) |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 661 | priv->bt_enable_pspoll = false; |
| 662 | else |
| 663 | priv->bt_enable_pspoll = true; |
| 664 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 665 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 666 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 667 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 668 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 669 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 670 | priv->cur_rssi_ctx = NULL; |
| 671 | |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 672 | iwl_send_prio_tbl(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 673 | |
| 674 | /* FIXME: w/a to force change uCode BT state machine */ |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 675 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 676 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 677 | if (ret) |
| 678 | return ret; |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 679 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 680 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 681 | if (ret) |
| 682 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 683 | } else { |
| 684 | /* |
| 685 | * default is 2-wire BT coexexistence support |
| 686 | */ |
| 687 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 688 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 689 | |
Venkataraman, Meenakshi | 885765f | 2011-12-14 16:54:21 -0800 | [diff] [blame] | 690 | /* |
| 691 | * Perform runtime calibrations, including DC calibration. |
| 692 | */ |
| 693 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 694 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 695 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 696 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 697 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 698 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 699 | /* Configure Tx antenna selection based on H/W config */ |
Johannes Berg | 7e79a39 | 2012-03-05 11:24:32 -0800 | [diff] [blame] | 700 | iwlagn_send_tx_ant_config(priv, hw_params(priv).valid_tx_ant); |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 701 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 702 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 703 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 704 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 705 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 706 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 707 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 708 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 709 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 710 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 711 | for_each_context(priv, tmp) |
| 712 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 713 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 714 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 715 | } |
| 716 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 717 | if (!priv->wowlan) { |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 718 | /* WoWLAN ucode will not reply in the same way, skip it */ |
| 719 | iwl_reset_run_time_calib(priv); |
| 720 | } |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 721 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 722 | set_bit(STATUS_READY, &priv->status); |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 723 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 724 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 725 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 726 | if (ret) |
| 727 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 728 | |
| 729 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 730 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 731 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 732 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 733 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 734 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 735 | } |
| 736 | |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 737 | /** |
| 738 | * iwl_clear_driver_stations - clear knowledge of all stations from driver |
| 739 | * @priv: iwl priv struct |
| 740 | * |
| 741 | * This is called during iwl_down() to make sure that in the case |
| 742 | * we're coming there from a hardware restart mac80211 will be |
| 743 | * able to reconfigure stations -- if we're getting there in the |
| 744 | * normal down flow then the stations will already be cleared. |
| 745 | */ |
| 746 | static void iwl_clear_driver_stations(struct iwl_priv *priv) |
| 747 | { |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 748 | struct iwl_rxon_context *ctx; |
| 749 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 750 | spin_lock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 751 | memset(priv->stations, 0, sizeof(priv->stations)); |
| 752 | priv->num_stations = 0; |
| 753 | |
| 754 | priv->ucode_key_table = 0; |
| 755 | |
| 756 | for_each_context(priv, ctx) { |
| 757 | /* |
| 758 | * Remove all key information that is not stored as part |
| 759 | * of station information since mac80211 may not have had |
| 760 | * a chance to remove all the keys. When device is |
| 761 | * reconfigured by mac80211 after an error all keys will |
| 762 | * be reconfigured. |
| 763 | */ |
| 764 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); |
| 765 | ctx->key_mapping_keys = 0; |
| 766 | } |
| 767 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 768 | spin_unlock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 769 | } |
| 770 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 771 | void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 772 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 773 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 774 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 775 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 776 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 777 | lockdep_assert_held(&priv->mutex); |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 778 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 779 | iwl_scan_cancel_timeout(priv, 200); |
| 780 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 781 | /* |
| 782 | * If active, scanning won't cancel it, so say it expired. |
| 783 | * No race since we hold the mutex here and a new one |
| 784 | * can't come in at this time. |
| 785 | */ |
| 786 | ieee80211_remain_on_channel_expired(priv->hw); |
| 787 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 788 | exit_pending = |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 789 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 790 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 791 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 792 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 793 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 794 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 795 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 796 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 797 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 798 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 799 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 800 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 801 | priv->cur_rssi_ctx = NULL; |
| 802 | priv->bt_is_sco = 0; |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 803 | if (cfg(priv)->bt_params) |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 804 | priv->bt_traffic_load = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 805 | cfg(priv)->bt_params->bt_init_traffic_load; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 806 | else |
| 807 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 808 | priv->bt_full_concurrent = false; |
| 809 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 810 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 811 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 812 | * exiting the module */ |
| 813 | if (!exit_pending) |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 814 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 815 | |
Emmanuel Grumbach | 859cfb0 | 2011-09-15 11:46:31 -0700 | [diff] [blame] | 816 | if (priv->mac80211_registered) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 817 | ieee80211_stop_queues(priv->hw); |
| 818 | |
David Spinadel | 8f7ffbe | 2012-03-10 13:00:10 -0800 | [diff] [blame] | 819 | priv->ucode_loaded = false; |
Emmanuel Grumbach | 909e9b2 | 2011-09-15 11:46:30 -0700 | [diff] [blame] | 820 | iwl_trans_stop_device(trans(priv)); |
| 821 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 822 | /* Clear out all status bits but a few that are stable across reset */ |
Don Fry | 1353a7b | 2012-03-07 09:52:43 -0800 | [diff] [blame] | 823 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 824 | STATUS_RF_KILL_HW | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 825 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 826 | STATUS_GEO_CONFIGURED | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 827 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 828 | STATUS_EXIT_PENDING; |
Don Fry | 1353a7b | 2012-03-07 09:52:43 -0800 | [diff] [blame] | 829 | priv->shrd->status &= |
| 830 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
| 831 | STATUS_FW_ERROR; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 832 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 833 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 834 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 835 | } |
| 836 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 837 | /***************************************************************************** |
| 838 | * |
| 839 | * Workqueue callbacks |
| 840 | * |
| 841 | *****************************************************************************/ |
| 842 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 843 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 844 | { |
| 845 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 846 | run_time_calib_work); |
| 847 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 848 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 849 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 850 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
| 851 | test_bit(STATUS_SCANNING, &priv->status)) { |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 852 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 853 | return; |
| 854 | } |
| 855 | |
| 856 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 857 | iwl_chain_noise_calibration(priv); |
| 858 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 859 | } |
| 860 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 861 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 862 | } |
| 863 | |
Wey-Yi Guy | 7335613 | 2011-11-10 06:55:11 -0800 | [diff] [blame] | 864 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 865 | { |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 866 | bool bt_full_concurrent; |
| 867 | u8 bt_ci_compliance; |
| 868 | u8 bt_load; |
| 869 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 870 | bool bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 871 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 872 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 873 | |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 874 | priv->is_open = 0; |
| 875 | |
| 876 | /* |
| 877 | * __iwl_down() will clear the BT status variables, |
| 878 | * which is correct, but when we restart we really |
| 879 | * want to keep them so restore them afterwards. |
| 880 | * |
| 881 | * The restart process will later pick them up and |
| 882 | * re-configure the hw when we reconfigure the BT |
| 883 | * command. |
| 884 | */ |
| 885 | bt_full_concurrent = priv->bt_full_concurrent; |
| 886 | bt_ci_compliance = priv->bt_ci_compliance; |
| 887 | bt_load = priv->bt_traffic_load; |
| 888 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 889 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 890 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 891 | iwl_down(priv); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 892 | |
| 893 | priv->bt_full_concurrent = bt_full_concurrent; |
| 894 | priv->bt_ci_compliance = bt_ci_compliance; |
| 895 | priv->bt_traffic_load = bt_load; |
| 896 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 897 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 898 | } |
| 899 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 900 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 901 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 902 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 903 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 904 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 905 | return; |
| 906 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 907 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 908 | mutex_lock(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 909 | iwlagn_prepare_restart(priv); |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 910 | mutex_unlock(&priv->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 911 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 912 | ieee80211_restart_hw(priv->hw); |
| 913 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 914 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 915 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 916 | } |
| 917 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 918 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 919 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 920 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 921 | void iwlagn_disable_roc(struct iwl_priv *priv) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 922 | { |
| 923 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 924 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 925 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 926 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 927 | if (!priv->hw_roc_setup) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 928 | return; |
| 929 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 930 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 931 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 932 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 933 | priv->hw_roc_channel = NULL; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 934 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 935 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
| 936 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 937 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 938 | |
| 939 | ctx->is_active = false; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 940 | priv->hw_roc_setup = false; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 941 | } |
| 942 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 943 | static void iwlagn_disable_roc_work(struct work_struct *work) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 944 | { |
| 945 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 946 | hw_roc_disable_work.work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 947 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 948 | mutex_lock(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 949 | iwlagn_disable_roc(priv); |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 950 | mutex_unlock(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 951 | } |
| 952 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 953 | /***************************************************************************** |
| 954 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 955 | * driver setup and teardown |
| 956 | * |
| 957 | *****************************************************************************/ |
| 958 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 959 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 960 | { |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 961 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 962 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 963 | INIT_WORK(&priv->restart, iwl_bg_restart); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 964 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 965 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 966 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 967 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 968 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 969 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
| 970 | iwlagn_disable_roc_work); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 971 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 972 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 973 | |
Johannes Berg | 562f08e | 2012-03-07 09:52:18 -0800 | [diff] [blame] | 974 | if (cfg(priv)->bt_params) |
| 975 | iwlagn_bt_setup_deferred_work(priv); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 976 | |
| 977 | init_timer(&priv->statistics_periodic); |
| 978 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 979 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 980 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 981 | init_timer(&priv->ucode_trace); |
| 982 | priv->ucode_trace.data = (unsigned long)priv; |
| 983 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 984 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 985 | init_timer(&priv->watchdog); |
| 986 | priv->watchdog.data = (unsigned long)priv; |
| 987 | priv->watchdog.function = iwl_bg_watchdog; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 988 | } |
| 989 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 990 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 991 | { |
Johannes Berg | 562f08e | 2012-03-07 09:52:18 -0800 | [diff] [blame] | 992 | if (cfg(priv)->bt_params) |
| 993 | iwlagn_bt_cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 994 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 995 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 996 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 997 | |
| 998 | iwl_cancel_scan_deferred_work(priv); |
| 999 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1000 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 1001 | cancel_work_sync(&priv->bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1002 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 1003 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1004 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1005 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1006 | } |
| 1007 | |
Johannes Berg | 03dadf9 | 2012-03-07 09:52:13 -0800 | [diff] [blame] | 1008 | static void iwl_init_hw_rates(struct ieee80211_rate *rates) |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1009 | { |
| 1010 | int i; |
| 1011 | |
| 1012 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 1013 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 1014 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 1015 | rates[i].hw_value_short = i; |
| 1016 | rates[i].flags = 0; |
| 1017 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 1018 | /* |
| 1019 | * If CCK != 1M then set short preamble rate flag. |
| 1020 | */ |
| 1021 | rates[i].flags |= |
| 1022 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 1023 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 1024 | } |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | static int iwl_init_drv(struct iwl_priv *priv) |
| 1029 | { |
| 1030 | int ret; |
| 1031 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 1032 | spin_lock_init(&priv->sta_lock); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1033 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1034 | mutex_init(&priv->mutex); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1035 | |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 1036 | INIT_LIST_HEAD(&priv->calib_results); |
Johannes Berg | 80e83da | 2011-11-25 11:11:44 -0800 | [diff] [blame] | 1037 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1038 | priv->ieee_channels = NULL; |
| 1039 | priv->ieee_rates = NULL; |
| 1040 | priv->band = IEEE80211_BAND_2GHZ; |
| 1041 | |
Johannes Berg | ab5c0f1 | 2012-03-06 13:30:53 -0800 | [diff] [blame] | 1042 | priv->plcp_delta_threshold = |
| 1043 | cfg(priv)->base_params->plcp_delta_threshold; |
| 1044 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1045 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 1046 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1047 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1048 | priv->agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1049 | |
Johannes Berg | 947a940 | 2012-03-06 13:30:59 -0800 | [diff] [blame] | 1050 | priv->ucode_owner = IWL_OWNERSHIP_DRIVER; |
| 1051 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 1052 | /* initialize force reset */ |
| 1053 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 1054 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 1055 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 1056 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1057 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 1058 | priv->rx_statistics_jiffies = jiffies; |
| 1059 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1060 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1061 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1062 | |
| 1063 | iwl_init_scan_params(priv); |
| 1064 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1065 | /* init bt coex */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1066 | if (cfg(priv)->bt_params && |
| 1067 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 1068 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 1069 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 1070 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1071 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 1072 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 1073 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1074 | } |
| 1075 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1076 | ret = iwl_init_channel_map(priv); |
| 1077 | if (ret) { |
| 1078 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 1079 | goto err; |
| 1080 | } |
| 1081 | |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1082 | ret = iwl_init_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1083 | if (ret) { |
| 1084 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 1085 | goto err_free_channel_map; |
| 1086 | } |
Johannes Berg | 03dadf9 | 2012-03-07 09:52:13 -0800 | [diff] [blame] | 1087 | iwl_init_hw_rates(priv->ieee_rates); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1088 | |
| 1089 | return 0; |
| 1090 | |
| 1091 | err_free_channel_map: |
| 1092 | iwl_free_channel_map(priv); |
| 1093 | err: |
| 1094 | return ret; |
| 1095 | } |
| 1096 | |
| 1097 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 1098 | { |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1099 | iwl_free_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1100 | iwl_free_channel_map(priv); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 1101 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 1102 | kfree(priv->beacon_cmd); |
Johannes Berg | 79d3eef | 2011-11-10 06:55:01 -0800 | [diff] [blame] | 1103 | kfree(rcu_dereference_raw(priv->noa_data)); |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 1104 | iwl_calib_free_results(priv); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1105 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1106 | kfree(priv->wowlan_sram); |
| 1107 | #endif |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1108 | } |
| 1109 | |
Emmanuel Grumbach | dda61a4 | 2011-08-25 23:11:11 -0700 | [diff] [blame] | 1110 | /* Size of one Rx buffer in host DRAM */ |
| 1111 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) |
| 1112 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) |
| 1113 | |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1114 | static void iwl_set_hw_params(struct iwl_priv *priv) |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1115 | { |
Johannes Berg | b9ad70d | 2012-03-06 13:30:55 -0800 | [diff] [blame] | 1116 | if (cfg(priv)->ht_params) |
| 1117 | hw_params(priv).use_rts_for_aggregation = |
| 1118 | cfg(priv)->ht_params->use_rts_for_aggregation; |
| 1119 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 1120 | if (iwlagn_mod_params.amsdu_size_8K) |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1121 | hw_params(priv).rx_page_order = |
| 1122 | get_order(IWL_RX_BUF_SIZE_8K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1123 | else |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1124 | hw_params(priv).rx_page_order = |
| 1125 | get_order(IWL_RX_BUF_SIZE_4K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1126 | |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 1127 | if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
Johannes Berg | 54708d8 | 2012-03-05 11:24:31 -0800 | [diff] [blame] | 1128 | hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1129 | |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1130 | hw_params(priv).num_ampdu_queues = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1131 | cfg(priv)->base_params->num_of_ampdu_queues; |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1132 | hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout; |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1133 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1134 | /* Device-specific setup */ |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1135 | cfg(priv)->lib->set_hw_params(priv); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1136 | } |
| 1137 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1138 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1139 | |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1140 | static void iwl_debug_config(struct iwl_priv *priv) |
| 1141 | { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1142 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1143 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1144 | "enabled\n"); |
| 1145 | #else |
| 1146 | "disabled\n"); |
| 1147 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1148 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1149 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1150 | "enabled\n"); |
| 1151 | #else |
| 1152 | "disabled\n"); |
| 1153 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1154 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1155 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
| 1156 | "enabled\n"); |
| 1157 | #else |
| 1158 | "disabled\n"); |
| 1159 | #endif |
| 1160 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1161 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
Wey-Yi Guy | 5ef15cc | 2011-11-30 13:24:06 -0800 | [diff] [blame] | 1162 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1163 | "enabled\n"); |
| 1164 | #else |
| 1165 | "disabled\n"); |
| 1166 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1167 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " |
Wey-Yi Guy | 0cb38d6 | 2011-12-02 07:33:57 -0800 | [diff] [blame] | 1168 | #ifdef CONFIG_IWLWIFI_P2P |
| 1169 | "enabled\n"); |
| 1170 | #else |
| 1171 | "disabled\n"); |
| 1172 | #endif |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1173 | } |
| 1174 | |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1175 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, |
| 1176 | const struct iwl_fw *fw) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1177 | { |
| 1178 | int err = 0; |
| 1179 | struct iwl_priv *priv; |
| 1180 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1181 | struct iwl_op_mode *op_mode; |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1182 | u16 num_mac; |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1183 | u32 ucode_flags; |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1184 | struct iwl_trans_config trans_cfg; |
Johannes Berg | d663ee7 | 2012-03-10 13:00:07 -0800 | [diff] [blame] | 1185 | static const u8 no_reclaim_cmds[] = { |
| 1186 | REPLY_RX_PHY_CMD, |
| 1187 | REPLY_RX, |
| 1188 | REPLY_RX_MPDU_CMD, |
| 1189 | REPLY_COMPRESSED_BA, |
| 1190 | STATISTICS_NOTIFICATION, |
| 1191 | REPLY_TX, |
| 1192 | }; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1193 | |
| 1194 | /************************ |
| 1195 | * 1. Allocating HW data |
| 1196 | ************************/ |
Don Fry | fa06ec7 | 2011-10-14 12:54:46 -0700 | [diff] [blame] | 1197 | hw = iwl_alloc_all(); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1198 | if (!hw) { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1199 | pr_err("%s: Cannot allocate network device\n", |
| 1200 | cfg(trans)->name); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1201 | err = -ENOMEM; |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 1202 | goto out; |
| 1203 | } |
| 1204 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1205 | op_mode = hw->priv; |
| 1206 | op_mode->ops = &iwl_dvm_ops; |
| 1207 | priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1208 | priv->shrd = trans->shrd; |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1209 | priv->fw = fw; |
| 1210 | /* TODO: remove fw from shared data later */ |
| 1211 | priv->shrd->fw = fw; |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 1212 | |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1213 | /* |
| 1214 | * Populate the state variables that the transport layer needs |
| 1215 | * to know about. |
| 1216 | */ |
| 1217 | trans_cfg.op_mode = op_mode; |
Johannes Berg | d663ee7 | 2012-03-10 13:00:07 -0800 | [diff] [blame] | 1218 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; |
| 1219 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); |
Meenakshi Venkataraman | 9bdfbfa | 2012-03-07 09:52:36 -0800 | [diff] [blame] | 1220 | |
| 1221 | ucode_flags = fw->ucode_capa.flags; |
| 1222 | |
| 1223 | #ifndef CONFIG_IWLWIFI_P2P |
| 1224 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1225 | #endif |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1226 | |
Meenakshi Venkataraman | c6f600f | 2012-03-08 11:29:12 -0800 | [diff] [blame] | 1227 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
| 1228 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
| 1229 | trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
| 1230 | } else { |
| 1231 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
| 1232 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
| 1233 | } |
| 1234 | |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1235 | /* Configure transport layer */ |
| 1236 | iwl_trans_configure(trans(priv), &trans_cfg); |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1237 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1238 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 1239 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1240 | SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1241 | |
Don Fry | 1589c56 | 2012-01-27 13:15:54 -0800 | [diff] [blame] | 1242 | /* show what debugging capabilities we have */ |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1243 | iwl_debug_config(priv); |
| 1244 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1245 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1246 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1247 | /* is antenna coupling more than 35dB ? */ |
| 1248 | priv->bt_ant_couple_ok = |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1249 | (iwlagn_mod_params.ant_coupling > |
| 1250 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 1251 | true : false; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1252 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1253 | /* enable/disable bt channel inhibition */ |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1254 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1255 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 1256 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1257 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1258 | if (iwl_alloc_traffic_mem(priv)) |
| 1259 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1260 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 1261 | /* these spin locks will be used in apm_ops.init and EEPROM access |
Mohamed Abbas | a8b50a0 | 2009-05-22 11:01:47 -0700 | [diff] [blame] | 1262 | * we should init now |
| 1263 | */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1264 | spin_lock_init(&trans(priv)->reg_lock); |
Johannes Berg | 4ff70fcd | 2012-03-05 11:24:26 -0800 | [diff] [blame] | 1265 | spin_lock_init(&priv->statistics.lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 1266 | |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1267 | /*********************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1268 | * 2. Read REV register |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1269 | ***********************/ |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 1270 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Emmanuel Grumbach | 08079a49 | 2012-01-09 16:23:00 +0200 | [diff] [blame] | 1271 | cfg(priv)->name, trans(priv)->hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1272 | |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 1273 | err = iwl_trans_start_hw(trans(priv)); |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 1274 | if (err) |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1275 | goto out_free_traffic_mem; |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 1276 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1277 | /***************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1278 | * 3. Read EEPROM |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1279 | *****************/ |
Emmanuel Grumbach | ca77d53 | 2012-02-13 11:24:47 +0200 | [diff] [blame] | 1280 | err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev); |
Emmanuel Grumbach | 8747bb4 | 2012-01-04 16:57:09 +0200 | [diff] [blame] | 1281 | /* Reset chip to save power until we load uCode during "up". */ |
Emmanuel Grumbach | cc56feb | 2012-01-08 13:37:59 +0200 | [diff] [blame] | 1282 | iwl_trans_stop_hw(trans(priv)); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1283 | if (err) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1284 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1285 | goto out_free_traffic_mem; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1286 | } |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 1287 | err = iwl_eeprom_check_version(priv); |
| 1288 | if (err) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 1289 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 1290 | |
Johannes Berg | 54708d8 | 2012-03-05 11:24:31 -0800 | [diff] [blame] | 1291 | err = iwl_eeprom_init_hw_params(priv); |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 1292 | if (err) |
| 1293 | goto out_free_eeprom; |
| 1294 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 1295 | /* extract MAC Address */ |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1296 | iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1297 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 1298 | priv->hw->wiphy->addresses = priv->addresses; |
| 1299 | priv->hw->wiphy->n_addresses = 1; |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1300 | num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1301 | if (num_mac > 1) { |
| 1302 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 1303 | ETH_ALEN); |
| 1304 | priv->addresses[1].addr[5]++; |
| 1305 | priv->hw->wiphy->n_addresses++; |
| 1306 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1307 | |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1308 | /************************ |
| 1309 | * 4. Setup HW constants |
| 1310 | ************************/ |
| 1311 | iwl_set_hw_params(priv); |
| 1312 | |
| 1313 | if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { |
| 1314 | IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); |
| 1315 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1316 | /* |
| 1317 | * if not PAN, then don't support P2P -- might be a uCode |
| 1318 | * packaging bug or due to the eeprom check above |
| 1319 | */ |
| 1320 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
| 1321 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
| 1322 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
| 1323 | |
| 1324 | /* Configure transport layer again*/ |
| 1325 | iwl_trans_configure(trans(priv), &trans_cfg); |
| 1326 | } |
| 1327 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1328 | /******************* |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1329 | * 5. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1330 | *******************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1331 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1332 | err = iwl_init_drv(priv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1333 | if (err) |
Ron Rindjunsky | 399f490 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 1334 | goto out_free_eeprom; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1335 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1336 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1337 | /******************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1338 | * 6. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1339 | ********************/ |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1340 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 1341 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1342 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1343 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 1344 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1345 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1346 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1347 | snprintf(priv->hw->wiphy->fw_version, |
| 1348 | sizeof(priv->hw->wiphy->fw_version), |
| 1349 | "%s", fw->fw_version); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 1350 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1351 | priv->new_scan_threshold_behaviour = |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1352 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1353 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1354 | priv->phy_calib_chain_noise_reset_cmd = |
| 1355 | fw->ucode_capa.standard_phy_calibration_size; |
| 1356 | priv->phy_calib_chain_noise_gain_cmd = |
| 1357 | fw->ucode_capa.standard_phy_calibration_size + 1; |
| 1358 | |
| 1359 | /* initialize all valid contexts */ |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1360 | iwl_init_context(priv, ucode_flags); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1361 | |
| 1362 | /************************************************** |
| 1363 | * This is still part of probe() in a sense... |
| 1364 | * |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1365 | * 7. Setup and register with mac80211 and debugfs |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1366 | **************************************************/ |
| 1367 | err = iwlagn_mac_setup_register(priv, &fw->ucode_capa); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1368 | if (err) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1369 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1370 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1371 | err = iwl_dbgfs_register(priv, DRV_NAME); |
| 1372 | if (err) |
| 1373 | IWL_ERR(priv, |
| 1374 | "failed to create debugfs files. Ignoring error: %d\n", |
| 1375 | err); |
| 1376 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1377 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1378 | |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1379 | out_destroy_workqueue: |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1380 | destroy_workqueue(priv->workqueue); |
| 1381 | priv->workqueue = NULL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1382 | iwl_uninit_drv(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1383 | out_free_eeprom: |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1384 | iwl_eeprom_free(priv->shrd); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1385 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1386 | iwl_free_traffic_mem(priv); |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 1387 | ieee80211_free_hw(priv->hw); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1388 | out: |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1389 | op_mode = NULL; |
| 1390 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1391 | } |
| 1392 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1393 | static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1394 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1395 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1396 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1397 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1398 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1399 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1400 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 1401 | iwl_testmode_cleanup(priv); |
Don Fry | 09af140 | 2011-12-09 10:07:38 -0800 | [diff] [blame] | 1402 | iwlagn_mac_unregister(priv); |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 1403 | |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1404 | iwl_tt_exit(priv); |
| 1405 | |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 1406 | /*This will stop the queues, move the device to low power state */ |
David Spinadel | 8f7ffbe | 2012-03-10 13:00:10 -0800 | [diff] [blame] | 1407 | priv->ucode_loaded = false; |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 1408 | iwl_trans_stop_device(trans(priv)); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 1409 | |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1410 | iwl_eeprom_free(priv->shrd); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1411 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1412 | /*netif_stop_queue(dev); */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1413 | flush_workqueue(priv->workqueue); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1414 | |
Wey-Yi Guy | ade4c64 | 2011-10-10 07:27:11 -0700 | [diff] [blame] | 1415 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1416 | * priv->workqueue... so we can't take down the workqueue |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1417 | * until now... */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1418 | destroy_workqueue(priv->workqueue); |
| 1419 | priv->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1420 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1421 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1422 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1423 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 1424 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1425 | |
| 1426 | ieee80211_free_hw(priv->hw); |
| 1427 | } |
| 1428 | |
Johannes Berg | 0e78184 | 2012-03-06 13:30:49 -0800 | [diff] [blame] | 1429 | static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) |
| 1430 | { |
| 1431 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1432 | |
| 1433 | if (!iwl_check_for_ct_kill(priv)) { |
| 1434 | IWL_ERR(priv, "Restarting adapter queue is full\n"); |
| 1435 | iwl_nic_error(op_mode); |
| 1436 | } |
| 1437 | } |
| 1438 | |
Johannes Berg | ecdb975 | 2012-03-06 13:31:03 -0800 | [diff] [blame] | 1439 | static void iwl_nic_config(struct iwl_op_mode *op_mode) |
| 1440 | { |
| 1441 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1442 | |
| 1443 | cfg(priv)->lib->nic_config(priv); |
| 1444 | } |
| 1445 | |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 1446 | static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac) |
| 1447 | { |
| 1448 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1449 | |
| 1450 | set_bit(ac, &priv->transport_queue_stop); |
| 1451 | ieee80211_stop_queue(priv->hw, ac); |
| 1452 | } |
| 1453 | |
| 1454 | static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac) |
| 1455 | { |
| 1456 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1457 | |
| 1458 | clear_bit(ac, &priv->transport_queue_stop); |
| 1459 | |
| 1460 | if (!priv->passive_no_rx) |
| 1461 | ieee80211_wake_queue(priv->hw, ac); |
| 1462 | } |
| 1463 | |
| 1464 | void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) |
| 1465 | { |
| 1466 | int ac; |
| 1467 | |
| 1468 | if (!priv->passive_no_rx) |
| 1469 | return; |
| 1470 | |
| 1471 | for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { |
Emmanuel Grumbach | 3251715 | 2012-03-07 09:52:34 -0800 | [diff] [blame] | 1472 | if (!test_bit(ac, &priv->transport_queue_stop)) { |
| 1473 | IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 1474 | ieee80211_wake_queue(priv->hw, ac); |
Emmanuel Grumbach | 3251715 | 2012-03-07 09:52:34 -0800 | [diff] [blame] | 1475 | } else { |
| 1476 | IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); |
| 1477 | } |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 1478 | } |
| 1479 | |
| 1480 | priv->passive_no_rx = false; |
| 1481 | } |
| 1482 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1483 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
| 1484 | .start = iwl_op_mode_dvm_start, |
| 1485 | .stop = iwl_op_mode_dvm_stop, |
Emmanuel Grumbach | db70f29 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1486 | .rx = iwl_rx_dispatch, |
Emmanuel Grumbach | 02e3835 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1487 | .queue_full = iwl_stop_sw_queue, |
| 1488 | .queue_not_full = iwl_wake_sw_queue, |
Emmanuel Grumbach | 7120d98 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1489 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1490 | .free_skb = iwl_free_skb, |
Emmanuel Grumbach | bcb9321 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1491 | .nic_error = iwl_nic_error, |
Johannes Berg | 0e78184 | 2012-03-06 13:30:49 -0800 | [diff] [blame] | 1492 | .cmd_queue_full = iwl_cmd_queue_full, |
Johannes Berg | ecdb975 | 2012-03-06 13:31:03 -0800 | [diff] [blame] | 1493 | .nic_config = iwl_nic_config, |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1494 | }; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1495 | |
| 1496 | /***************************************************************************** |
| 1497 | * |
| 1498 | * driver and module entry point |
| 1499 | * |
| 1500 | *****************************************************************************/ |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1501 | |
| 1502 | struct kmem_cache *iwl_tx_cmd_pool; |
| 1503 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1504 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1505 | { |
| 1506 | |
| 1507 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 1508 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 1509 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1510 | |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1511 | iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", |
| 1512 | sizeof(struct iwl_device_cmd), |
| 1513 | sizeof(void *), 0, NULL); |
| 1514 | if (!iwl_tx_cmd_pool) |
| 1515 | return -ENOMEM; |
| 1516 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1517 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1518 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 1519 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1520 | goto error_rc_register; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1521 | } |
| 1522 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1523 | ret = iwl_pci_register_driver(); |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1524 | if (ret) |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1525 | goto error_pci_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1526 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1527 | |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1528 | error_pci_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1529 | iwlagn_rate_control_unregister(); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1530 | error_rc_register: |
| 1531 | kmem_cache_destroy(iwl_tx_cmd_pool); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1532 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1533 | } |
| 1534 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1535 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1536 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1537 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1538 | iwlagn_rate_control_unregister(); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 1539 | kmem_cache_destroy(iwl_tx_cmd_pool); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1540 | } |
| 1541 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1542 | module_exit(iwl_exit); |
| 1543 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1544 | |
| 1545 | #ifdef CONFIG_IWLWIFI_DEBUG |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1546 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
| 1547 | S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1548 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 1549 | #endif |
| 1550 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1551 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 1552 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 1553 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); |
| 1554 | MODULE_PARM_DESC(11n_disable, |
| 1555 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1556 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 1557 | int, S_IRUGO); |
| 1558 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1559 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 1560 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1561 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1562 | module_param_named(ucode_alternative, |
| 1563 | iwlagn_mod_params.wanted_ucode_alternative, |
| 1564 | int, S_IRUGO); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1565 | MODULE_PARM_DESC(ucode_alternative, |
| 1566 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1567 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1568 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
| 1569 | int, S_IRUGO); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1570 | MODULE_PARM_DESC(antenna_coupling, |
| 1571 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1572 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1573 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
| 1574 | bool, S_IRUGO); |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1575 | MODULE_PARM_DESC(bt_ch_inhibition, |
Wey-Yi Guy | fee84f0d | 2011-08-25 23:10:57 -0700 | [diff] [blame] | 1576 | "Enable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 1577 | |
| 1578 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 1579 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 1580 | |
| 1581 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 1582 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 1583 | |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 1584 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO); |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 1585 | MODULE_PARM_DESC(wd_disable, |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 1586 | "Disable stuck queue watchdog timer 0=system default, " |
| 1587 | "1=disable, 2=enable (default: 0)"); |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 1588 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 1589 | /* |
| 1590 | * set bt_coex_active to true, uCode will do kill/defer |
| 1591 | * every time the priority line is asserted (BT is sending signals on the |
| 1592 | * priority line in the PCIx). |
| 1593 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 1594 | * perform the normal operation |
| 1595 | * |
| 1596 | * User might experience transmit issue on some platform due to WiFi/BT |
| 1597 | * co-exist problem. The possible behaviors are: |
| 1598 | * Able to scan and finding all the available AP |
| 1599 | * Not able to associate with any AP |
| 1600 | * On those platforms, WiFi communication can be restored by set |
| 1601 | * "bt_coex_active" module parameter to "false" |
| 1602 | * |
| 1603 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 1604 | */ |
| 1605 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 1606 | bool, S_IRUGO); |
| 1607 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); |
Wey-Yi Guy | 6b0184c | 2011-06-03 13:52:39 -0700 | [diff] [blame] | 1608 | |
| 1609 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 1610 | MODULE_PARM_DESC(led_mode, "0=system default, " |
Wey-Yi Guy | 42602dd4 | 2012-01-19 12:16:46 -0800 | [diff] [blame] | 1611 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 1612 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 1613 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 1614 | bool, S_IRUGO); |
| 1615 | MODULE_PARM_DESC(power_save, |
| 1616 | "enable WiFi power management (default: disable)"); |
| 1617 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 1618 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 1619 | int, S_IRUGO); |
| 1620 | MODULE_PARM_DESC(power_level, |
| 1621 | "default power save level (range from 1 - 5, default: 1)"); |
| 1622 | |
Wey-Yi Guy | dd5b6d0 | 2011-08-25 23:10:55 -0700 | [diff] [blame] | 1623 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
| 1624 | bool, S_IRUGO); |
| 1625 | MODULE_PARM_DESC(auto_agg, |
| 1626 | "enable agg w/o check traffic load (default: enable)"); |
| 1627 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 1628 | /* |
| 1629 | * For now, keep using power level 1 instead of automatically |
| 1630 | * adjusting ... |
| 1631 | */ |
| 1632 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 1633 | bool, S_IRUGO); |
| 1634 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 1635 | "don't automatically adjust sleep level " |
| 1636 | "according to maximum network latency (default: true)"); |