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 | |
Don Fry | edf3833 | 2012-01-25 16:18:52 -0800 | [diff] [blame] | 44 | #include "iwl-ucode.h" |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 45 | #include "iwl-eeprom.h" |
Don Fry | 69a679b | 2011-12-07 08:50:46 -0800 | [diff] [blame] | 46 | #include "iwl-wifi.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 47 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 48 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 49 | #include "iwl-io.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 50 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 51 | #include "iwl-agn.h" |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 52 | #include "iwl-shared.h" |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 53 | #include "iwl-trans.h" |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 54 | #include "iwl-op-mode.h" |
Christoph Hellwig | 416e143 | 2007-10-25 17:15:49 +0800 | [diff] [blame] | 55 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 56 | /****************************************************************************** |
| 57 | * |
| 58 | * module boiler plate |
| 59 | * |
| 60 | ******************************************************************************/ |
| 61 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 62 | /* |
| 63 | * module name, copyright, version, etc. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 64 | */ |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 65 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 66 | |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 67 | #ifdef CONFIG_IWLWIFI_DEBUG |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 68 | #define VD "d" |
| 69 | #else |
| 70 | #define VD |
| 71 | #endif |
| 72 | |
Reinette Chatre | 81963d6 | 2010-01-22 14:22:57 -0800 | [diff] [blame] | 73 | #define DRV_VERSION IWLWIFI_VERSION VD |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 74 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 75 | |
| 76 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 77 | MODULE_VERSION(DRV_VERSION); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 78 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 79 | MODULE_LICENSE("GPL"); |
Don Fry | 3c607d2 | 2011-09-30 11:40:20 -0700 | [diff] [blame] | 80 | MODULE_ALIAS("iwlagn"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 81 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 82 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55f | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 83 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 84 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55f | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 85 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 86 | for_each_context(priv, ctx) { |
| 87 | iwlagn_set_rxon_chain(priv, ctx); |
| 88 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 89 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 90 | } |
Mohamed Abbas | 5da4b55f | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 91 | } |
| 92 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 93 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 94 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 95 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 96 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 97 | { |
| 98 | u16 tim_idx; |
| 99 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 100 | |
| 101 | /* |
| 102 | * The index is relative to frame start but we start looking at the |
| 103 | * variable-length part of the beacon. |
| 104 | */ |
| 105 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 106 | |
| 107 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 108 | while ((tim_idx < (frame_size - 2)) && |
| 109 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 110 | tim_idx += beacon[tim_idx+1] + 2; |
| 111 | |
| 112 | /* If TIM field was found, set variables */ |
| 113 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 114 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 115 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 116 | } else |
| 117 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 118 | } |
| 119 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 120 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 121 | { |
| 122 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 123 | struct iwl_host_cmd cmd = { |
| 124 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 125 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 126 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 127 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 128 | u32 frame_size; |
| 129 | u32 rate_flags; |
| 130 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 131 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 132 | /* |
| 133 | * We have to set up the TX command, the TX Beacon command, and the |
| 134 | * beacon contents. |
| 135 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 136 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 137 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 138 | |
| 139 | if (!priv->beacon_ctx) { |
| 140 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 141 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 142 | } |
| 143 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 144 | if (WARN_ON(!priv->beacon_skb)) |
| 145 | return -EINVAL; |
| 146 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 147 | /* Allocate beacon command */ |
| 148 | if (!priv->beacon_cmd) |
| 149 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 150 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 151 | if (!tx_beacon_cmd) |
| 152 | return -ENOMEM; |
| 153 | |
| 154 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 155 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 156 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 157 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 158 | 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] | 159 | 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] | 160 | 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] | 161 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 162 | |
| 163 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 164 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 165 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 166 | |
| 167 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 168 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 169 | |
| 170 | /* |
| 171 | * Let's set up the rate at least somewhat correctly; |
| 172 | * it will currently not actually be used by the uCode, |
| 173 | * it uses the broadcast station's rate instead. |
| 174 | */ |
| 175 | if (info->control.rates[0].idx < 0 || |
| 176 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 177 | rate = 0; |
| 178 | else |
| 179 | rate = info->control.rates[0].idx; |
| 180 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 181 | 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] | 182 | hw_params(priv).valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 183 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 184 | |
| 185 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 186 | if (info->band == IEEE80211_BAND_5GHZ) |
| 187 | rate += IWL_FIRST_OFDM_RATE; |
| 188 | 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] | 189 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 190 | |
| 191 | tx_beacon_cmd->tx.rate_n_flags = |
| 192 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 193 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 194 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 195 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 196 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 197 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 198 | cmd.len[1] = frame_size; |
| 199 | cmd.data[1] = priv->beacon_skb->data; |
| 200 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 201 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 202 | return iwl_trans_send_cmd(trans(priv), &cmd); |
Samuel Ortiz | a8e74e2 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 203 | } |
| 204 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 205 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 206 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 207 | struct iwl_priv *priv = |
| 208 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 209 | struct sk_buff *beacon; |
| 210 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 211 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 212 | if (!priv->beacon_ctx) { |
| 213 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 214 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 215 | } |
| 216 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 217 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 218 | /* |
| 219 | * The ucode will send beacon notifications even in |
| 220 | * IBSS mode, but we don't want to process them. But |
| 221 | * we need to defer the type check to here due to |
| 222 | * requiring locking around the beacon_ctx access. |
| 223 | */ |
| 224 | goto out; |
| 225 | } |
| 226 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 227 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 228 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 229 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 230 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 231 | goto out; |
| 232 | } |
| 233 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 234 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 235 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 236 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 237 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 238 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 239 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 240 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 241 | mutex_unlock(&priv->shrd->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 242 | } |
| 243 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 244 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 245 | { |
| 246 | struct iwl_priv *priv = |
| 247 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 248 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 249 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 250 | return; |
| 251 | |
| 252 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 253 | if (!iwl_is_ready_rf(priv->shrd)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 254 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 255 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 258 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 259 | { |
| 260 | struct iwl_priv *priv = |
| 261 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 262 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 263 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 264 | mutex_lock(&priv->shrd->mutex); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 265 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 266 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 267 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 268 | |
| 269 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 270 | if (!iwl_is_ready_rf(priv->shrd)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 271 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 272 | |
| 273 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 274 | priv->bt_full_concurrent ? |
| 275 | "full concurrency" : "3-wire"); |
| 276 | |
| 277 | /* |
| 278 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 279 | * to avoid 3-wire collisions |
| 280 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 281 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 282 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 283 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 284 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 285 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 286 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 287 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 288 | mutex_unlock(&priv->shrd->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 289 | } |
| 290 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 291 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 292 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 293 | * |
| 294 | * This callback is provided in order to send a statistics request. |
| 295 | * |
| 296 | * This timer function is continually reset to execute within |
| 297 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 298 | * was received. We need to ensure we receive the statistics in order |
| 299 | * to update the temperature used for calibrating the TXPOWER. |
| 300 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 301 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 302 | { |
| 303 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 304 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 305 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 306 | return; |
| 307 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 308 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 309 | if (!iwl_is_ready_rf(priv->shrd)) |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 310 | return; |
| 311 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 312 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 313 | } |
| 314 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 315 | |
| 316 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 317 | u32 start_idx, u32 num_events, |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 318 | u32 capacity, u32 mode) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 319 | { |
| 320 | u32 i; |
| 321 | u32 ptr; /* SRAM byte address of log data */ |
| 322 | u32 ev, time, data; /* event log data */ |
| 323 | unsigned long reg_flags; |
| 324 | |
| 325 | if (mode == 0) |
| 326 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 327 | else |
| 328 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 329 | |
| 330 | /* Make sure device is powered up for SRAM reads */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 331 | spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); |
| 332 | if (iwl_grab_nic_access(trans(priv))) { |
| 333 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 334 | return; |
| 335 | } |
| 336 | |
| 337 | /* Set starting address; reads will auto-increment */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 338 | iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 339 | rmb(); |
| 340 | |
| 341 | /* |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 342 | * Refuse to read more than would have fit into the log from |
| 343 | * the current start_idx. This used to happen due to the race |
| 344 | * described below, but now WARN because the code below should |
| 345 | * prevent it from happening here. |
| 346 | */ |
| 347 | if (WARN_ON(num_events > capacity - start_idx)) |
| 348 | num_events = capacity - start_idx; |
| 349 | |
| 350 | /* |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 351 | * "time" is actually "data" for mode 0 (no timestamp). |
| 352 | * place event id # at far right for easier visual parsing. |
| 353 | */ |
| 354 | for (i = 0; i < num_events; i++) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 355 | ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
| 356 | time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 357 | if (mode == 0) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 358 | trace_iwlwifi_dev_ucode_cont_event(priv, 0, time, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 359 | } else { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 360 | data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 361 | trace_iwlwifi_dev_ucode_cont_event(priv, time, |
| 362 | data, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 363 | } |
| 364 | } |
| 365 | /* Allow device to power down */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 366 | iwl_release_nic_access(trans(priv)); |
| 367 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 368 | } |
| 369 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 370 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 371 | { |
| 372 | u32 capacity; /* event log capacity in # entries */ |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 373 | struct { |
| 374 | u32 capacity; |
| 375 | u32 mode; |
| 376 | u32 wrap_counter; |
| 377 | u32 write_counter; |
| 378 | } __packed read; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 379 | u32 base; /* SRAM byte address of event log header */ |
| 380 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 381 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 382 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 383 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 384 | base = priv->shrd->device_pointers.log_event_table; |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 385 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 386 | iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 387 | |
| 388 | capacity = read.capacity; |
| 389 | mode = read.mode; |
| 390 | num_wraps = read.wrap_counter; |
| 391 | next_entry = read.write_counter; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 392 | } else |
| 393 | return; |
| 394 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 395 | /* |
| 396 | * Unfortunately, the uCode doesn't use temporary variables. |
| 397 | * Therefore, it can happen that we read next_entry == capacity, |
| 398 | * which really means next_entry == 0. |
| 399 | */ |
| 400 | if (unlikely(next_entry == capacity)) |
| 401 | next_entry = 0; |
| 402 | /* |
| 403 | * Additionally, the uCode increases the write pointer before |
| 404 | * the wraps counter, so if the write pointer is smaller than |
| 405 | * the old write pointer (wrap occurred) but we read that no |
| 406 | * wrap occurred, we actually read between the next_entry and |
| 407 | * num_wraps update (this does happen in practice!!) -- take |
| 408 | * that into account by increasing num_wraps. |
| 409 | */ |
| 410 | if (unlikely(next_entry < priv->event_log.next_entry && |
| 411 | num_wraps == priv->event_log.num_wraps)) |
| 412 | num_wraps++; |
| 413 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 414 | if (num_wraps == priv->event_log.num_wraps) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 415 | iwl_print_cont_event_trace( |
| 416 | priv, base, priv->event_log.next_entry, |
| 417 | next_entry - priv->event_log.next_entry, |
| 418 | capacity, mode); |
| 419 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 420 | priv->event_log.non_wraps_count++; |
| 421 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 422 | if (num_wraps - priv->event_log.num_wraps > 1) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 423 | priv->event_log.wraps_more_count++; |
| 424 | else |
| 425 | priv->event_log.wraps_once_count++; |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 426 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 427 | trace_iwlwifi_dev_ucode_wrap_event(priv, |
| 428 | num_wraps - priv->event_log.num_wraps, |
| 429 | next_entry, priv->event_log.next_entry); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 430 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 431 | if (next_entry < priv->event_log.next_entry) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 432 | iwl_print_cont_event_trace( |
| 433 | priv, base, priv->event_log.next_entry, |
| 434 | capacity - priv->event_log.next_entry, |
| 435 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 436 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 437 | iwl_print_cont_event_trace( |
| 438 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 439 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 440 | iwl_print_cont_event_trace( |
| 441 | priv, base, next_entry, |
| 442 | capacity - next_entry, |
| 443 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 444 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 445 | iwl_print_cont_event_trace( |
| 446 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 447 | } |
| 448 | } |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 449 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 450 | priv->event_log.num_wraps = num_wraps; |
| 451 | priv->event_log.next_entry = next_entry; |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 456 | * |
| 457 | * The timer is continually set to execute every |
| 458 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 459 | * this function is to perform continuous uCode event logging operation |
| 460 | * if enabled |
| 461 | */ |
| 462 | static void iwl_bg_ucode_trace(unsigned long data) |
| 463 | { |
| 464 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 465 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 466 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 467 | return; |
| 468 | |
| 469 | if (priv->event_log.ucode_trace) { |
| 470 | iwl_continuous_event_trace(priv); |
| 471 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 472 | mod_timer(&priv->ucode_trace, |
| 473 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 474 | } |
| 475 | } |
| 476 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 477 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 478 | { |
| 479 | struct iwl_priv *priv = |
| 480 | container_of(work, struct iwl_priv, tx_flush); |
| 481 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 482 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 483 | return; |
| 484 | |
| 485 | /* do nothing if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 486 | if (!iwl_is_ready_rf(priv->shrd)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 487 | return; |
| 488 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 489 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 490 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 491 | } |
| 492 | |
Don Fry | edf3833 | 2012-01-25 16:18:52 -0800 | [diff] [blame] | 493 | void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 494 | { |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 495 | int i; |
| 496 | |
| 497 | /* |
| 498 | * The default context is always valid, |
| 499 | * the PAN context depends on uCode. |
| 500 | */ |
Emmanuel Grumbach | 7a10e3e | 2011-09-06 09:31:21 -0700 | [diff] [blame] | 501 | priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 502 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
Emmanuel Grumbach | 7a10e3e | 2011-09-06 09:31:21 -0700 | [diff] [blame] | 503 | priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 504 | |
| 505 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 506 | priv->contexts[i].ctxid = i; |
| 507 | |
| 508 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 509 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
| 510 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 511 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 512 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
| 513 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
| 514 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
| 515 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Don Fry | 87272af | 2012-01-25 15:26:34 -0800 | [diff] [blame] | 516 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 517 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 518 | BIT(NL80211_IFTYPE_ADHOC); |
| 519 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 520 | BIT(NL80211_IFTYPE_STATION); |
| 521 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
| 522 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 523 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 524 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
| 525 | |
| 526 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
| 527 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 528 | REPLY_WIPAN_RXON_TIMING; |
| 529 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 530 | REPLY_WIPAN_RXON_ASSOC; |
| 531 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 532 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 533 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 534 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 535 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 536 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 537 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 538 | |
| 539 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) |
| 540 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 541 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 542 | BIT(NL80211_IFTYPE_P2P_GO); |
| 543 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 544 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 545 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 546 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
| 547 | |
| 548 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 549 | } |
| 550 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 551 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 552 | { |
| 553 | struct iwl_ct_kill_config cmd; |
| 554 | struct iwl_ct_kill_throttling_config adv_cmd; |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 555 | int ret = 0; |
| 556 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 557 | iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 558 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
Johannes Berg | 08ae86a | 2012-03-05 11:24:27 -0800 | [diff] [blame] | 559 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 560 | priv->thermal_throttle.ct_kill_toggle = false; |
| 561 | |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 562 | if (cfg(priv)->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 563 | adv_cmd.critical_temperature_enter = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 564 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 565 | adv_cmd.critical_temperature_exit = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 566 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 567 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 568 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 569 | REPLY_CT_KILL_CONFIG_CMD, |
| 570 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 571 | if (ret) |
| 572 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 573 | else |
| 574 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 575 | "succeeded, critical temperature enter is %d," |
| 576 | "exit is %d\n", |
| 577 | hw_params(priv).ct_kill_threshold, |
| 578 | hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 579 | } else { |
| 580 | cmd.critical_temperature_R = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 581 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 582 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 583 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 584 | REPLY_CT_KILL_CONFIG_CMD, |
| 585 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 586 | if (ret) |
| 587 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 588 | else |
| 589 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 590 | "succeeded, " |
| 591 | "critical temperature is %d\n", |
| 592 | hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 593 | } |
| 594 | } |
| 595 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 596 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 597 | { |
| 598 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 599 | struct iwl_host_cmd cmd = { |
| 600 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 601 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 602 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 603 | }; |
| 604 | |
| 605 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
Wey-Yi Guy | af4dc88 | 2011-10-04 07:10:19 -0700 | [diff] [blame] | 606 | 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] | 607 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 608 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 609 | return iwl_trans_send_cmd(trans(priv), &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 610 | } |
| 611 | |
| 612 | |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 613 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
| 614 | { |
| 615 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { |
| 616 | .valid = cpu_to_le32(valid_tx_ant), |
| 617 | }; |
| 618 | |
Don Fry | d359667 | 2012-02-06 15:51:15 -0800 | [diff] [blame] | 619 | if (IWL_UCODE_API(nic(priv)->fw.ucode_ver) > 1) { |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 620 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 621 | return iwl_trans_send_cmd_pdu(trans(priv), |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 622 | TX_ANT_CONFIGURATION_CMD, |
| 623 | CMD_SYNC, |
| 624 | sizeof(struct iwl_tx_ant_config_cmd), |
| 625 | &tx_ant_cmd); |
| 626 | } else { |
| 627 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); |
| 628 | return -EOPNOTSUPP; |
| 629 | } |
| 630 | } |
| 631 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 632 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 633 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 634 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 635 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 636 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 637 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 638 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 639 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 640 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 641 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 642 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 643 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 644 | /* After the ALIVE response, we can send host commands to the uCode */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 645 | set_bit(STATUS_ALIVE, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 646 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 647 | /* Enable watchdog to monitor the driver tx queues */ |
| 648 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 649 | |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 650 | if (iwl_is_rfkill(priv->shrd)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 651 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 652 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 653 | if (priv->event_log.ucode_trace) { |
| 654 | /* start collecting data now */ |
| 655 | mod_timer(&priv->ucode_trace, jiffies); |
| 656 | } |
| 657 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 658 | /* download priority table before any calibration request */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 659 | if (cfg(priv)->bt_params && |
| 660 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 661 | /* Configure Bluetooth device coexistence support */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 662 | if (cfg(priv)->bt_params->bt_sco_disable) |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 663 | priv->bt_enable_pspoll = false; |
| 664 | else |
| 665 | priv->bt_enable_pspoll = true; |
| 666 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 667 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 668 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 669 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 670 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 671 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 672 | priv->cur_rssi_ctx = NULL; |
| 673 | |
Don Fry | b96b09d | 2011-12-02 08:48:38 -0800 | [diff] [blame] | 674 | iwl_send_prio_tbl(trans(priv)); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 675 | |
| 676 | /* FIXME: w/a to force change uCode BT state machine */ |
Don Fry | b96b09d | 2011-12-02 08:48:38 -0800 | [diff] [blame] | 677 | ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_OPEN, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 678 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 679 | if (ret) |
| 680 | return ret; |
Don Fry | b96b09d | 2011-12-02 08:48:38 -0800 | [diff] [blame] | 681 | ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_CLOSE, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 682 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 683 | if (ret) |
| 684 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 685 | } else { |
| 686 | /* |
| 687 | * default is 2-wire BT coexexistence support |
| 688 | */ |
| 689 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 690 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 691 | |
Venkataraman, Meenakshi | 885765f | 2011-12-14 16:54:21 -0800 | [diff] [blame] | 692 | /* |
| 693 | * Perform runtime calibrations, including DC calibration. |
| 694 | */ |
| 695 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 696 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 697 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 698 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 699 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 700 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 701 | /* Configure Tx antenna selection based on H/W config */ |
Johannes Berg | 7e79a39 | 2012-03-05 11:24:32 -0800 | [diff] [blame] | 702 | 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] | 703 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 704 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 705 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 706 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 707 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 708 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 709 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 710 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 711 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 712 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 713 | for_each_context(priv, tmp) |
| 714 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 715 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 716 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 717 | } |
| 718 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 719 | if (!priv->wowlan) { |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 720 | /* WoWLAN ucode will not reply in the same way, skip it */ |
| 721 | iwl_reset_run_time_calib(priv); |
| 722 | } |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 723 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 724 | set_bit(STATUS_READY, &priv->shrd->status); |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 725 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 726 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 727 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 728 | if (ret) |
| 729 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 730 | |
| 731 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 732 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926 | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 733 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 734 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 735 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 736 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 737 | } |
| 738 | |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 739 | /** |
| 740 | * iwl_clear_driver_stations - clear knowledge of all stations from driver |
| 741 | * @priv: iwl priv struct |
| 742 | * |
| 743 | * This is called during iwl_down() to make sure that in the case |
| 744 | * we're coming there from a hardware restart mac80211 will be |
| 745 | * able to reconfigure stations -- if we're getting there in the |
| 746 | * normal down flow then the stations will already be cleared. |
| 747 | */ |
| 748 | static void iwl_clear_driver_stations(struct iwl_priv *priv) |
| 749 | { |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 750 | struct iwl_rxon_context *ctx; |
| 751 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 752 | spin_lock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 753 | memset(priv->stations, 0, sizeof(priv->stations)); |
| 754 | priv->num_stations = 0; |
| 755 | |
| 756 | priv->ucode_key_table = 0; |
| 757 | |
| 758 | for_each_context(priv, ctx) { |
| 759 | /* |
| 760 | * Remove all key information that is not stored as part |
| 761 | * of station information since mac80211 may not have had |
| 762 | * a chance to remove all the keys. When device is |
| 763 | * reconfigured by mac80211 after an error all keys will |
| 764 | * be reconfigured. |
| 765 | */ |
| 766 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); |
| 767 | ctx->key_mapping_keys = 0; |
| 768 | } |
| 769 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 770 | spin_unlock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 771 | } |
| 772 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 773 | void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 774 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 775 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 776 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 777 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 778 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 779 | lockdep_assert_held(&priv->shrd->mutex); |
| 780 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 781 | iwl_scan_cancel_timeout(priv, 200); |
| 782 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 783 | /* |
| 784 | * If active, scanning won't cancel it, so say it expired. |
| 785 | * No race since we hold the mutex here and a new one |
| 786 | * can't come in at this time. |
| 787 | */ |
| 788 | ieee80211_remain_on_channel_expired(priv->hw); |
| 789 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 790 | exit_pending = |
| 791 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 792 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 793 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 794 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 795 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 796 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 797 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 798 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 799 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 800 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 801 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 802 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 803 | priv->cur_rssi_ctx = NULL; |
| 804 | priv->bt_is_sco = 0; |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 805 | if (cfg(priv)->bt_params) |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 806 | priv->bt_traffic_load = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 807 | cfg(priv)->bt_params->bt_init_traffic_load; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 808 | else |
| 809 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 810 | priv->bt_full_concurrent = false; |
| 811 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 812 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 813 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 814 | * exiting the module */ |
| 815 | if (!exit_pending) |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 816 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 817 | |
Emmanuel Grumbach | 859cfb0 | 2011-09-15 11:46:31 -0700 | [diff] [blame] | 818 | if (priv->mac80211_registered) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 819 | ieee80211_stop_queues(priv->hw); |
| 820 | |
Emmanuel Grumbach | 909e9b2 | 2011-09-15 11:46:30 -0700 | [diff] [blame] | 821 | iwl_trans_stop_device(trans(priv)); |
| 822 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 823 | /* Clear out all status bits but a few that are stable across reset */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 824 | priv->shrd->status &= |
| 825 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 826 | STATUS_RF_KILL_HW | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 827 | test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 828 | STATUS_GEO_CONFIGURED | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 829 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 830 | STATUS_FW_ERROR | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 831 | test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 832 | STATUS_EXIT_PENDING; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 833 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 834 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 835 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 836 | } |
| 837 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 838 | /***************************************************************************** |
| 839 | * |
| 840 | * Workqueue callbacks |
| 841 | * |
| 842 | *****************************************************************************/ |
| 843 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 844 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 845 | { |
| 846 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 847 | run_time_calib_work); |
| 848 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 849 | mutex_lock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 850 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 851 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
| 852 | test_bit(STATUS_SCANNING, &priv->shrd->status)) { |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 853 | mutex_unlock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 854 | return; |
| 855 | } |
| 856 | |
| 857 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 858 | iwl_chain_noise_calibration(priv); |
| 859 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 860 | } |
| 861 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 862 | mutex_unlock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 863 | } |
| 864 | |
Wey-Yi Guy | 7335613 | 2011-11-10 06:55:11 -0800 | [diff] [blame] | 865 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 866 | { |
| 867 | struct iwl_rxon_context *ctx; |
| 868 | bool bt_full_concurrent; |
| 869 | u8 bt_ci_compliance; |
| 870 | u8 bt_load; |
| 871 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 872 | bool bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 873 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 874 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 875 | |
| 876 | for_each_context(priv, ctx) |
| 877 | ctx->vif = NULL; |
| 878 | priv->is_open = 0; |
| 879 | |
| 880 | /* |
| 881 | * __iwl_down() will clear the BT status variables, |
| 882 | * which is correct, but when we restart we really |
| 883 | * want to keep them so restore them afterwards. |
| 884 | * |
| 885 | * The restart process will later pick them up and |
| 886 | * re-configure the hw when we reconfigure the BT |
| 887 | * command. |
| 888 | */ |
| 889 | bt_full_concurrent = priv->bt_full_concurrent; |
| 890 | bt_ci_compliance = priv->bt_ci_compliance; |
| 891 | bt_load = priv->bt_traffic_load; |
| 892 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 893 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 894 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 895 | iwl_down(priv); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 896 | |
| 897 | priv->bt_full_concurrent = bt_full_concurrent; |
| 898 | priv->bt_ci_compliance = bt_ci_compliance; |
| 899 | priv->bt_traffic_load = bt_load; |
| 900 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 901 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 902 | } |
| 903 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 904 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 905 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 906 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 907 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 908 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 909 | return; |
| 910 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 911 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 912 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 913 | iwlagn_prepare_restart(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 914 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 915 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 916 | ieee80211_restart_hw(priv->hw); |
| 917 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 918 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 919 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 920 | } |
| 921 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 922 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 923 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 924 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 925 | void iwlagn_disable_roc(struct iwl_priv *priv) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 926 | { |
| 927 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 928 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 929 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 930 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 931 | if (!priv->hw_roc_setup) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 932 | return; |
| 933 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 934 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 935 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 936 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 937 | priv->hw_roc_channel = NULL; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 938 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 939 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
| 940 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 941 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 942 | |
| 943 | ctx->is_active = false; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 944 | priv->hw_roc_setup = false; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 945 | } |
| 946 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 947 | static void iwlagn_disable_roc_work(struct work_struct *work) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 948 | { |
| 949 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 950 | hw_roc_disable_work.work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 951 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 952 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 953 | iwlagn_disable_roc(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 954 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 955 | } |
| 956 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 957 | /***************************************************************************** |
| 958 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 959 | * driver setup and teardown |
| 960 | * |
| 961 | *****************************************************************************/ |
| 962 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 963 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 964 | { |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 965 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 966 | |
Emmanuel Grumbach | 3e10cae | 2011-09-06 09:31:18 -0700 | [diff] [blame] | 967 | init_waitqueue_head(&priv->shrd->wait_command_queue); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 968 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 969 | INIT_WORK(&priv->restart, iwl_bg_restart); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 970 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 971 | 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] | 972 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 973 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 974 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 975 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
| 976 | iwlagn_disable_roc_work); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 977 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 978 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 979 | |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 980 | if (cfg(priv)->lib->bt_setup_deferred_work) |
| 981 | cfg(priv)->lib->bt_setup_deferred_work(priv); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 982 | |
| 983 | init_timer(&priv->statistics_periodic); |
| 984 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 985 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 986 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 987 | init_timer(&priv->ucode_trace); |
| 988 | priv->ucode_trace.data = (unsigned long)priv; |
| 989 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 990 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 991 | init_timer(&priv->watchdog); |
| 992 | priv->watchdog.data = (unsigned long)priv; |
| 993 | priv->watchdog.function = iwl_bg_watchdog; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 994 | } |
| 995 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 996 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 997 | { |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 998 | if (cfg(priv)->lib->cancel_deferred_work) |
| 999 | cfg(priv)->lib->cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1000 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 1001 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1002 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 1003 | |
| 1004 | iwl_cancel_scan_deferred_work(priv); |
| 1005 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1006 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 1007 | cancel_work_sync(&priv->bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1008 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 1009 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1010 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1011 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1012 | } |
| 1013 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1014 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
| 1015 | struct ieee80211_rate *rates) |
| 1016 | { |
| 1017 | int i; |
| 1018 | |
| 1019 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 1020 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 1021 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 1022 | rates[i].hw_value_short = i; |
| 1023 | rates[i].flags = 0; |
| 1024 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 1025 | /* |
| 1026 | * If CCK != 1M then set short preamble rate flag. |
| 1027 | */ |
| 1028 | rates[i].flags |= |
| 1029 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 1030 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 1031 | } |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | static int iwl_init_drv(struct iwl_priv *priv) |
| 1036 | { |
| 1037 | int ret; |
| 1038 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 1039 | spin_lock_init(&priv->sta_lock); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1040 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1041 | mutex_init(&priv->shrd->mutex); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1042 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 1043 | INIT_LIST_HEAD(&trans(priv)->calib_results); |
Johannes Berg | 80e83da | 2011-11-25 11:11:44 -0800 | [diff] [blame] | 1044 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1045 | priv->ieee_channels = NULL; |
| 1046 | priv->ieee_rates = NULL; |
| 1047 | priv->band = IEEE80211_BAND_2GHZ; |
| 1048 | |
| 1049 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 1050 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1051 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1052 | priv->agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1053 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 1054 | /* initialize force reset */ |
| 1055 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 1056 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 1057 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 1058 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1059 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 1060 | priv->rx_statistics_jiffies = jiffies; |
| 1061 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1062 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1063 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1064 | |
| 1065 | iwl_init_scan_params(priv); |
| 1066 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1067 | /* init bt coex */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1068 | if (cfg(priv)->bt_params && |
| 1069 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 1070 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 1071 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 1072 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1073 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 1074 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 1075 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1076 | } |
| 1077 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1078 | ret = iwl_init_channel_map(priv); |
| 1079 | if (ret) { |
| 1080 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 1081 | goto err; |
| 1082 | } |
| 1083 | |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1084 | ret = iwl_init_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1085 | if (ret) { |
| 1086 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 1087 | goto err_free_channel_map; |
| 1088 | } |
| 1089 | iwl_init_hw_rates(priv, priv->ieee_rates); |
| 1090 | |
| 1091 | return 0; |
| 1092 | |
| 1093 | err_free_channel_map: |
| 1094 | iwl_free_channel_map(priv); |
| 1095 | err: |
| 1096 | return ret; |
| 1097 | } |
| 1098 | |
| 1099 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 1100 | { |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1101 | iwl_free_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1102 | iwl_free_channel_map(priv); |
Emmanuel Grumbach | dfa2bdb | 2011-08-25 23:11:23 -0700 | [diff] [blame] | 1103 | if (priv->tx_cmd_pool) |
| 1104 | kmem_cache_destroy(priv->tx_cmd_pool); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 1105 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 1106 | kfree(priv->beacon_cmd); |
Johannes Berg | 79d3eef | 2011-11-10 06:55:01 -0800 | [diff] [blame] | 1107 | kfree(rcu_dereference_raw(priv->noa_data)); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1108 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1109 | kfree(priv->wowlan_sram); |
| 1110 | #endif |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1111 | } |
| 1112 | |
Emmanuel Grumbach | dda61a4 | 2011-08-25 23:11:11 -0700 | [diff] [blame] | 1113 | /* Size of one Rx buffer in host DRAM */ |
| 1114 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) |
| 1115 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) |
| 1116 | |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1117 | static void iwl_set_hw_params(struct iwl_priv *priv) |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1118 | { |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 1119 | if (iwlagn_mod_params.amsdu_size_8K) |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1120 | hw_params(priv).rx_page_order = |
| 1121 | get_order(IWL_RX_BUF_SIZE_8K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1122 | else |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1123 | hw_params(priv).rx_page_order = |
| 1124 | get_order(IWL_RX_BUF_SIZE_4K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1125 | |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 1126 | if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
Johannes Berg | 54708d8 | 2012-03-05 11:24:31 -0800 | [diff] [blame] | 1127 | hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1128 | |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1129 | hw_params(priv).num_ampdu_queues = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1130 | cfg(priv)->base_params->num_of_ampdu_queues; |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1131 | hw_params(priv).shadow_reg_enable = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1132 | cfg(priv)->base_params->shadow_reg_enable; |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1133 | hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout; |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1134 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1135 | /* Device-specific setup */ |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1136 | cfg(priv)->lib->set_hw_params(priv); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1137 | } |
| 1138 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1139 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1140 | |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1141 | static void iwl_debug_config(struct iwl_priv *priv) |
| 1142 | { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1143 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1144 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1145 | "enabled\n"); |
| 1146 | #else |
| 1147 | "disabled\n"); |
| 1148 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1149 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1150 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1151 | "enabled\n"); |
| 1152 | #else |
| 1153 | "disabled\n"); |
| 1154 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1155 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1156 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
| 1157 | "enabled\n"); |
| 1158 | #else |
| 1159 | "disabled\n"); |
| 1160 | #endif |
| 1161 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1162 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
Wey-Yi Guy | 5ef15cc | 2011-11-30 13:24:06 -0800 | [diff] [blame] | 1163 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1164 | "enabled\n"); |
| 1165 | #else |
| 1166 | "disabled\n"); |
| 1167 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1168 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " |
Wey-Yi Guy | 0cb38d6 | 2011-12-02 07:33:57 -0800 | [diff] [blame] | 1169 | #ifdef CONFIG_IWLWIFI_P2P |
| 1170 | "enabled\n"); |
| 1171 | #else |
| 1172 | "disabled\n"); |
| 1173 | #endif |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1174 | } |
| 1175 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1176 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1177 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1178 | struct iwl_fw *fw = &nic(trans)->fw; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1179 | int err = 0; |
| 1180 | struct iwl_priv *priv; |
| 1181 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1182 | struct iwl_op_mode *op_mode; |
Emmanuel Grumbach | 084dd79 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1183 | u16 num_mac; |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1184 | u32 ucode_flags; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1185 | |
| 1186 | /************************ |
| 1187 | * 1. Allocating HW data |
| 1188 | ************************/ |
Don Fry | fa06ec7 | 2011-10-14 12:54:46 -0700 | [diff] [blame] | 1189 | hw = iwl_alloc_all(); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1190 | if (!hw) { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1191 | pr_err("%s: Cannot allocate network device\n", |
| 1192 | cfg(trans)->name); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1193 | err = -ENOMEM; |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 1194 | goto out; |
| 1195 | } |
| 1196 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1197 | op_mode = hw->priv; |
| 1198 | op_mode->ops = &iwl_dvm_ops; |
| 1199 | priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1200 | priv->shrd = trans->shrd; |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 1201 | priv->shrd->priv = priv; |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 1202 | |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1203 | iwl_trans_configure(trans(priv), op_mode); |
| 1204 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1205 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 1206 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1207 | SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1208 | |
Don Fry | 1589c56 | 2012-01-27 13:15:54 -0800 | [diff] [blame] | 1209 | /* show what debugging capabilities we have */ |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1210 | iwl_debug_config(priv); |
| 1211 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1212 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1213 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1214 | /* is antenna coupling more than 35dB ? */ |
| 1215 | priv->bt_ant_couple_ok = |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1216 | (iwlagn_mod_params.ant_coupling > |
| 1217 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 1218 | true : false; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1219 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1220 | /* enable/disable bt channel inhibition */ |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1221 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1222 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 1223 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1224 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1225 | if (iwl_alloc_traffic_mem(priv)) |
| 1226 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1227 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 1228 | /* 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] | 1229 | * we should init now |
| 1230 | */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1231 | spin_lock_init(&trans(priv)->reg_lock); |
Johannes Berg | 4ff70fc | 2012-03-05 11:24:26 -0800 | [diff] [blame] | 1232 | spin_lock_init(&priv->statistics.lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 1233 | |
Emmanuel Grumbach | 084dd79 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1234 | /*********************** |
| 1235 | * 3. Read REV register |
| 1236 | ***********************/ |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 1237 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Emmanuel Grumbach | 08079a4 | 2012-01-09 16:23:00 +0200 | [diff] [blame] | 1238 | cfg(priv)->name, trans(priv)->hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1239 | |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 1240 | err = iwl_trans_start_hw(trans(priv)); |
Emmanuel Grumbach | 1e89cba | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 1241 | if (err) |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1242 | goto out_free_traffic_mem; |
Emmanuel Grumbach | 1e89cba | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 1243 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1244 | /***************** |
| 1245 | * 4. Read EEPROM |
| 1246 | *****************/ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1247 | /* Read the EEPROM */ |
Emmanuel Grumbach | ca77d53 | 2012-02-13 11:24:47 +0200 | [diff] [blame] | 1248 | err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev); |
Emmanuel Grumbach | 8747bb4 | 2012-01-04 16:57:09 +0200 | [diff] [blame] | 1249 | /* Reset chip to save power until we load uCode during "up". */ |
Emmanuel Grumbach | cc56feb | 2012-01-08 13:37:59 +0200 | [diff] [blame] | 1250 | iwl_trans_stop_hw(trans(priv)); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1251 | if (err) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1252 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1253 | goto out_free_traffic_mem; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1254 | } |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 1255 | err = iwl_eeprom_check_version(priv); |
| 1256 | if (err) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 1257 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 1258 | |
Johannes Berg | 54708d8 | 2012-03-05 11:24:31 -0800 | [diff] [blame] | 1259 | err = iwl_eeprom_init_hw_params(priv); |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 1260 | if (err) |
| 1261 | goto out_free_eeprom; |
| 1262 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 1263 | /* extract MAC Address */ |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1264 | iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1265 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 1266 | priv->hw->wiphy->addresses = priv->addresses; |
| 1267 | priv->hw->wiphy->n_addresses = 1; |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1268 | num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1269 | if (num_mac > 1) { |
| 1270 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 1271 | ETH_ALEN); |
| 1272 | priv->addresses[1].addr[5]++; |
| 1273 | priv->hw->wiphy->n_addresses++; |
| 1274 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1275 | |
| 1276 | /************************ |
| 1277 | * 5. Setup HW constants |
| 1278 | ************************/ |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1279 | iwl_set_hw_params(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1280 | |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1281 | ucode_flags = fw->ucode_capa.flags; |
| 1282 | |
| 1283 | #ifndef CONFIG_IWLWIFI_P2P |
| 1284 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1285 | #endif |
| 1286 | if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) |
| 1287 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1288 | |
| 1289 | /* |
| 1290 | * if not PAN, then don't support P2P -- might be a uCode |
| 1291 | * packaging bug or due to the eeprom check above |
| 1292 | */ |
| 1293 | if (!(ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)) |
| 1294 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
| 1295 | |
| 1296 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1297 | /******************* |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1298 | * 6. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1299 | *******************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1300 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1301 | err = iwl_init_drv(priv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1302 | if (err) |
Ron Rindjunsky | 399f4900 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 1303 | goto out_free_eeprom; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1304 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1305 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1306 | /******************** |
Abhijeet Kolekar | 09f9bf7 | 2009-04-20 14:37:03 -0700 | [diff] [blame] | 1307 | * 7. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1308 | ********************/ |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1309 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 1310 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1311 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1312 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 1313 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1314 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1315 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1316 | snprintf(priv->hw->wiphy->fw_version, |
| 1317 | sizeof(priv->hw->wiphy->fw_version), |
| 1318 | "%s", fw->fw_version); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 1319 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1320 | priv->new_scan_threshold_behaviour = |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1321 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1322 | |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1323 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1324 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
| 1325 | priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
| 1326 | } else { |
| 1327 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
| 1328 | priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
| 1329 | } |
| 1330 | |
| 1331 | priv->phy_calib_chain_noise_reset_cmd = |
| 1332 | fw->ucode_capa.standard_phy_calibration_size; |
| 1333 | priv->phy_calib_chain_noise_gain_cmd = |
| 1334 | fw->ucode_capa.standard_phy_calibration_size + 1; |
| 1335 | |
| 1336 | /* initialize all valid contexts */ |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1337 | iwl_init_context(priv, ucode_flags); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1338 | |
| 1339 | /************************************************** |
| 1340 | * This is still part of probe() in a sense... |
| 1341 | * |
| 1342 | * 9. Setup and register with mac80211 and debugfs |
| 1343 | **************************************************/ |
| 1344 | err = iwlagn_mac_setup_register(priv, &fw->ucode_capa); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1345 | if (err) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1346 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1347 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1348 | err = iwl_dbgfs_register(priv, DRV_NAME); |
| 1349 | if (err) |
| 1350 | IWL_ERR(priv, |
| 1351 | "failed to create debugfs files. Ignoring error: %d\n", |
| 1352 | err); |
| 1353 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1354 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1355 | |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1356 | out_destroy_workqueue: |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1357 | destroy_workqueue(priv->workqueue); |
| 1358 | priv->workqueue = NULL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1359 | iwl_uninit_drv(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1360 | out_free_eeprom: |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1361 | iwl_eeprom_free(priv->shrd); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1362 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1363 | iwl_free_traffic_mem(priv); |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 1364 | ieee80211_free_hw(priv->hw); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1365 | out: |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1366 | op_mode = NULL; |
| 1367 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1368 | } |
| 1369 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1370 | 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] | 1371 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1372 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1373 | |
Don Fry | 96502ce | 2012-02-06 16:00:14 -0800 | [diff] [blame] | 1374 | wait_for_completion(&nic(priv)->request_firmware_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 1375 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1376 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1377 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1378 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1379 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 1380 | iwl_testmode_cleanup(priv); |
Don Fry | 09af140 | 2011-12-09 10:07:38 -0800 | [diff] [blame] | 1381 | iwlagn_mac_unregister(priv); |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 1382 | |
Wey-Yi Guy | 39b73fb | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1383 | iwl_tt_exit(priv); |
| 1384 | |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 1385 | /*This will stop the queues, move the device to low power state */ |
| 1386 | iwl_trans_stop_device(trans(priv)); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 1387 | |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1388 | iwl_eeprom_free(priv->shrd); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1389 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1390 | /*netif_stop_queue(dev); */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1391 | flush_workqueue(priv->workqueue); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1392 | |
Wey-Yi Guy | ade4c64 | 2011-10-10 07:27:11 -0700 | [diff] [blame] | 1393 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1394 | * priv->workqueue... so we can't take down the workqueue |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1395 | * until now... */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1396 | destroy_workqueue(priv->workqueue); |
| 1397 | priv->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1398 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1399 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1400 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1401 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 1402 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1403 | |
| 1404 | ieee80211_free_hw(priv->hw); |
| 1405 | } |
| 1406 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1407 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
| 1408 | .start = iwl_op_mode_dvm_start, |
| 1409 | .stop = iwl_op_mode_dvm_stop, |
Emmanuel Grumbach | db70f29 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1410 | .rx = iwl_rx_dispatch, |
Emmanuel Grumbach | 02e3835 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1411 | .queue_full = iwl_stop_sw_queue, |
| 1412 | .queue_not_full = iwl_wake_sw_queue, |
Emmanuel Grumbach | 7120d98 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1413 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1414 | .free_skb = iwl_free_skb, |
Emmanuel Grumbach | bcb9321 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1415 | .nic_error = iwl_nic_error, |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1416 | }; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1417 | |
| 1418 | /***************************************************************************** |
| 1419 | * |
| 1420 | * driver and module entry point |
| 1421 | * |
| 1422 | *****************************************************************************/ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1423 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1424 | { |
| 1425 | |
| 1426 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 1427 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 1428 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1429 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1430 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1431 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 1432 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1433 | return ret; |
| 1434 | } |
| 1435 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1436 | ret = iwl_pci_register_driver(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1437 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1438 | if (ret) |
| 1439 | goto error_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1440 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1441 | |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1442 | error_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1443 | iwlagn_rate_control_unregister(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 1444 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1445 | } |
| 1446 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1447 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1448 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 1449 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 1450 | iwlagn_rate_control_unregister(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1451 | } |
| 1452 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1453 | module_exit(iwl_exit); |
| 1454 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1455 | |
| 1456 | #ifdef CONFIG_IWLWIFI_DEBUG |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1457 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
| 1458 | S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 1459 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 1460 | #endif |
| 1461 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1462 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 1463 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1464 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
| 1465 | MODULE_PARM_DESC(queues_num, "number of hw queues."); |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 1466 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); |
| 1467 | MODULE_PARM_DESC(11n_disable, |
| 1468 | "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] | 1469 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 1470 | int, S_IRUGO); |
| 1471 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 1472 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 1473 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1474 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1475 | module_param_named(ucode_alternative, |
| 1476 | iwlagn_mod_params.wanted_ucode_alternative, |
| 1477 | int, S_IRUGO); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1478 | MODULE_PARM_DESC(ucode_alternative, |
| 1479 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1480 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1481 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
| 1482 | int, S_IRUGO); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1483 | MODULE_PARM_DESC(antenna_coupling, |
| 1484 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1485 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1486 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
| 1487 | bool, S_IRUGO); |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1488 | MODULE_PARM_DESC(bt_ch_inhibition, |
Wey-Yi Guy | fee84f0 | 2011-08-25 23:10:57 -0700 | [diff] [blame] | 1489 | "Enable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 1490 | |
| 1491 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 1492 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 1493 | |
| 1494 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 1495 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 1496 | |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 1497 | 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] | 1498 | MODULE_PARM_DESC(wd_disable, |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 1499 | "Disable stuck queue watchdog timer 0=system default, " |
| 1500 | "1=disable, 2=enable (default: 0)"); |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 1501 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 1502 | /* |
| 1503 | * set bt_coex_active to true, uCode will do kill/defer |
| 1504 | * every time the priority line is asserted (BT is sending signals on the |
| 1505 | * priority line in the PCIx). |
| 1506 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 1507 | * perform the normal operation |
| 1508 | * |
| 1509 | * User might experience transmit issue on some platform due to WiFi/BT |
| 1510 | * co-exist problem. The possible behaviors are: |
| 1511 | * Able to scan and finding all the available AP |
| 1512 | * Not able to associate with any AP |
| 1513 | * On those platforms, WiFi communication can be restored by set |
| 1514 | * "bt_coex_active" module parameter to "false" |
| 1515 | * |
| 1516 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 1517 | */ |
| 1518 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 1519 | bool, S_IRUGO); |
| 1520 | 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] | 1521 | |
| 1522 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 1523 | MODULE_PARM_DESC(led_mode, "0=system default, " |
Wey-Yi Guy | 42602dd | 2012-01-19 12:16:46 -0800 | [diff] [blame] | 1524 | "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] | 1525 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 1526 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 1527 | bool, S_IRUGO); |
| 1528 | MODULE_PARM_DESC(power_save, |
| 1529 | "enable WiFi power management (default: disable)"); |
| 1530 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 1531 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 1532 | int, S_IRUGO); |
| 1533 | MODULE_PARM_DESC(power_level, |
| 1534 | "default power save level (range from 1 - 5, default: 1)"); |
| 1535 | |
Wey-Yi Guy | dd5b6d0 | 2011-08-25 23:10:55 -0700 | [diff] [blame] | 1536 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
| 1537 | bool, S_IRUGO); |
| 1538 | MODULE_PARM_DESC(auto_agg, |
| 1539 | "enable agg w/o check traffic load (default: enable)"); |
| 1540 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 1541 | /* |
| 1542 | * For now, keep using power level 1 instead of automatically |
| 1543 | * adjusting ... |
| 1544 | */ |
| 1545 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 1546 | bool, S_IRUGO); |
| 1547 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 1548 | "don't automatically adjust sleep level " |
| 1549 | "according to maximum network latency (default: true)"); |