Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 3 | * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 4 | * |
| 5 | * Portions of this file are derived from the ipw3945 project, as well |
| 6 | * as portions of the ieee80211 subsystem header files. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of version 2 of the GNU General Public License as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 15 | * more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along with |
| 18 | * this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 20 | * |
| 21 | * The full GNU General Public License is included in this distribution in the |
| 22 | * file called LICENSE. |
| 23 | * |
| 24 | * Contact Information: |
Winkler, Tomas | 759ef89 | 2008-12-09 11:28:58 -0800 | [diff] [blame] | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 27 | * |
| 28 | *****************************************************************************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 29 | #include <linux/kernel.h> |
| 30 | #include <linux/module.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 31 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 33 | #include <linux/delay.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 34 | #include <linux/sched.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 35 | #include <linux/skbuff.h> |
| 36 | #include <linux/netdevice.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 37 | #include <linux/etherdevice.h> |
| 38 | #include <linux/if_arp.h> |
| 39 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 40 | #include <net/mac80211.h> |
| 41 | |
| 42 | #include <asm/div64.h> |
| 43 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 44 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 45 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 46 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 47 | #include "iwl-io.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 48 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 49 | #include "iwl-agn.h" |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 50 | #include "iwl-shared.h" |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 51 | #include "iwl-trans.h" |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 52 | #include "iwl-op-mode.h" |
Christoph Hellwig | 416e143 | 2007-10-25 17:15:49 +0800 | [diff] [blame] | 53 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 54 | /****************************************************************************** |
| 55 | * |
| 56 | * module boiler plate |
| 57 | * |
| 58 | ******************************************************************************/ |
| 59 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 60 | /* |
| 61 | * module name, copyright, version, etc. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 62 | */ |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 63 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 64 | |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 65 | #ifdef CONFIG_IWLWIFI_DEBUG |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 66 | #define VD "d" |
| 67 | #else |
| 68 | #define VD |
| 69 | #endif |
| 70 | |
Reinette Chatre | 81963d6 | 2010-01-22 14:22:57 -0800 | [diff] [blame] | 71 | #define DRV_VERSION IWLWIFI_VERSION VD |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 72 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 73 | |
| 74 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 75 | MODULE_VERSION(DRV_VERSION); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 76 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 77 | MODULE_LICENSE("GPL"); |
Don Fry | 3c607d2 | 2011-09-30 11:40:20 -0700 | [diff] [blame] | 78 | MODULE_ALIAS("iwlagn"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 79 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 80 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 81 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 82 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 83 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 84 | for_each_context(priv, ctx) { |
| 85 | iwlagn_set_rxon_chain(priv, ctx); |
| 86 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 87 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 88 | } |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 91 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 92 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 93 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 94 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 95 | { |
| 96 | u16 tim_idx; |
| 97 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 98 | |
| 99 | /* |
| 100 | * The index is relative to frame start but we start looking at the |
| 101 | * variable-length part of the beacon. |
| 102 | */ |
| 103 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 104 | |
| 105 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 106 | while ((tim_idx < (frame_size - 2)) && |
| 107 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 108 | tim_idx += beacon[tim_idx+1] + 2; |
| 109 | |
| 110 | /* If TIM field was found, set variables */ |
| 111 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 112 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 113 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 114 | } else |
| 115 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 116 | } |
| 117 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 118 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 119 | { |
| 120 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 121 | struct iwl_host_cmd cmd = { |
| 122 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 123 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 124 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 125 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 126 | u32 frame_size; |
| 127 | u32 rate_flags; |
| 128 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 129 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 130 | /* |
| 131 | * We have to set up the TX command, the TX Beacon command, and the |
| 132 | * beacon contents. |
| 133 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 134 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 135 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 136 | |
| 137 | if (!priv->beacon_ctx) { |
| 138 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 139 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 140 | } |
| 141 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 142 | if (WARN_ON(!priv->beacon_skb)) |
| 143 | return -EINVAL; |
| 144 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 145 | /* Allocate beacon command */ |
| 146 | if (!priv->beacon_cmd) |
| 147 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 148 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 149 | if (!tx_beacon_cmd) |
| 150 | return -ENOMEM; |
| 151 | |
| 152 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 153 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 154 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 155 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 156 | tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 157 | tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 158 | tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 159 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 160 | |
| 161 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 162 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 163 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 164 | |
| 165 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 166 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 167 | |
| 168 | /* |
| 169 | * Let's set up the rate at least somewhat correctly; |
| 170 | * it will currently not actually be used by the uCode, |
| 171 | * it uses the broadcast station's rate instead. |
| 172 | */ |
| 173 | if (info->control.rates[0].idx < 0 || |
| 174 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 175 | rate = 0; |
| 176 | else |
| 177 | rate = info->control.rates[0].idx; |
| 178 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 179 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 180 | hw_params(priv).valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 181 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 182 | |
| 183 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 184 | if (info->band == IEEE80211_BAND_5GHZ) |
| 185 | rate += IWL_FIRST_OFDM_RATE; |
| 186 | else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 187 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 188 | |
| 189 | tx_beacon_cmd->tx.rate_n_flags = |
| 190 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 191 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 192 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 193 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 194 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 195 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 196 | cmd.len[1] = frame_size; |
| 197 | cmd.data[1] = priv->beacon_skb->data; |
| 198 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 199 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 200 | return iwl_dvm_send_cmd(priv, &cmd); |
Samuel Ortiz | a8e74e27 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 201 | } |
| 202 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 203 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 204 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 205 | struct iwl_priv *priv = |
| 206 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 207 | struct sk_buff *beacon; |
| 208 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 209 | mutex_lock(&priv->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 210 | if (!priv->beacon_ctx) { |
| 211 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 212 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 213 | } |
| 214 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 215 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 216 | /* |
| 217 | * The ucode will send beacon notifications even in |
| 218 | * IBSS mode, but we don't want to process them. But |
| 219 | * we need to defer the type check to here due to |
| 220 | * requiring locking around the beacon_ctx access. |
| 221 | */ |
| 222 | goto out; |
| 223 | } |
| 224 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 225 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 226 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 227 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 228 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 229 | goto out; |
| 230 | } |
| 231 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 232 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 233 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 234 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 235 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 236 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 237 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 238 | out: |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 239 | mutex_unlock(&priv->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 240 | } |
| 241 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 242 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 243 | { |
| 244 | struct iwl_priv *priv = |
| 245 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 246 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 247 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 248 | return; |
| 249 | |
| 250 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 251 | if (!iwl_is_ready_rf(priv)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 252 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 253 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 254 | } |
| 255 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 256 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 257 | { |
| 258 | struct iwl_priv *priv = |
| 259 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 260 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 261 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 262 | mutex_lock(&priv->mutex); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 263 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 264 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 265 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 266 | |
| 267 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 268 | if (!iwl_is_ready_rf(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 269 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 270 | |
| 271 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 272 | priv->bt_full_concurrent ? |
| 273 | "full concurrency" : "3-wire"); |
| 274 | |
| 275 | /* |
| 276 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 277 | * to avoid 3-wire collisions |
| 278 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 279 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 280 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 281 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 282 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 283 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 284 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 285 | out: |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 286 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 287 | } |
| 288 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 289 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 290 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 291 | * |
| 292 | * This callback is provided in order to send a statistics request. |
| 293 | * |
| 294 | * This timer function is continually reset to execute within |
| 295 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 296 | * was received. We need to ensure we receive the statistics in order |
| 297 | * to update the temperature used for calibrating the TXPOWER. |
| 298 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 299 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 300 | { |
| 301 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 302 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 303 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 304 | return; |
| 305 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 306 | /* dont send host command if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 307 | if (!iwl_is_ready_rf(priv)) |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 308 | return; |
| 309 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 310 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 311 | } |
| 312 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 313 | |
| 314 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 315 | u32 start_idx, u32 num_events, |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 316 | u32 capacity, u32 mode) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 317 | { |
| 318 | u32 i; |
| 319 | u32 ptr; /* SRAM byte address of log data */ |
| 320 | u32 ev, time, data; /* event log data */ |
| 321 | unsigned long reg_flags; |
| 322 | |
| 323 | if (mode == 0) |
| 324 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 325 | else |
| 326 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 327 | |
| 328 | /* Make sure device is powered up for SRAM reads */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 329 | spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); |
Stanislaw Gruszka | bfe4b80 | 2012-03-07 09:52:24 -0800 | [diff] [blame] | 330 | if (unlikely(!iwl_grab_nic_access(trans(priv)))) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 331 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 332 | return; |
| 333 | } |
| 334 | |
| 335 | /* Set starting address; reads will auto-increment */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 336 | iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 337 | |
| 338 | /* |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 339 | * Refuse to read more than would have fit into the log from |
| 340 | * the current start_idx. This used to happen due to the race |
| 341 | * described below, but now WARN because the code below should |
| 342 | * prevent it from happening here. |
| 343 | */ |
| 344 | if (WARN_ON(num_events > capacity - start_idx)) |
| 345 | num_events = capacity - start_idx; |
| 346 | |
| 347 | /* |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 348 | * "time" is actually "data" for mode 0 (no timestamp). |
| 349 | * place event id # at far right for easier visual parsing. |
| 350 | */ |
| 351 | for (i = 0; i < num_events; i++) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 352 | ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
| 353 | time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 354 | if (mode == 0) { |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 355 | trace_iwlwifi_dev_ucode_cont_event( |
| 356 | trans(priv)->dev, 0, time, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 357 | } else { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 358 | data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 359 | trace_iwlwifi_dev_ucode_cont_event( |
| 360 | trans(priv)->dev, time, data, ev); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 361 | } |
| 362 | } |
| 363 | /* Allow device to power down */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 364 | iwl_release_nic_access(trans(priv)); |
| 365 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 366 | } |
| 367 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 368 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 369 | { |
| 370 | u32 capacity; /* event log capacity in # entries */ |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 371 | struct { |
| 372 | u32 capacity; |
| 373 | u32 mode; |
| 374 | u32 wrap_counter; |
| 375 | u32 write_counter; |
| 376 | } __packed read; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 377 | u32 base; /* SRAM byte address of event log header */ |
| 378 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 379 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 380 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 381 | |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 382 | base = priv->device_pointers.log_event_table; |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 383 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 384 | iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 385 | |
| 386 | capacity = read.capacity; |
| 387 | mode = read.mode; |
| 388 | num_wraps = read.wrap_counter; |
| 389 | next_entry = read.write_counter; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 390 | } else |
| 391 | return; |
| 392 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 393 | /* |
| 394 | * Unfortunately, the uCode doesn't use temporary variables. |
| 395 | * Therefore, it can happen that we read next_entry == capacity, |
| 396 | * which really means next_entry == 0. |
| 397 | */ |
| 398 | if (unlikely(next_entry == capacity)) |
| 399 | next_entry = 0; |
| 400 | /* |
| 401 | * Additionally, the uCode increases the write pointer before |
| 402 | * the wraps counter, so if the write pointer is smaller than |
| 403 | * the old write pointer (wrap occurred) but we read that no |
| 404 | * wrap occurred, we actually read between the next_entry and |
| 405 | * num_wraps update (this does happen in practice!!) -- take |
| 406 | * that into account by increasing num_wraps. |
| 407 | */ |
| 408 | if (unlikely(next_entry < priv->event_log.next_entry && |
| 409 | num_wraps == priv->event_log.num_wraps)) |
| 410 | num_wraps++; |
| 411 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 412 | if (num_wraps == priv->event_log.num_wraps) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 413 | iwl_print_cont_event_trace( |
| 414 | priv, base, priv->event_log.next_entry, |
| 415 | next_entry - priv->event_log.next_entry, |
| 416 | capacity, mode); |
| 417 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 418 | priv->event_log.non_wraps_count++; |
| 419 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 420 | if (num_wraps - priv->event_log.num_wraps > 1) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 421 | priv->event_log.wraps_more_count++; |
| 422 | else |
| 423 | priv->event_log.wraps_once_count++; |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 424 | |
Johannes Berg | 6c1011e | 2012-03-06 13:30:48 -0800 | [diff] [blame] | 425 | trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev, |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 426 | num_wraps - priv->event_log.num_wraps, |
| 427 | next_entry, priv->event_log.next_entry); |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 428 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 429 | if (next_entry < priv->event_log.next_entry) { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 430 | iwl_print_cont_event_trace( |
| 431 | priv, base, priv->event_log.next_entry, |
| 432 | capacity - priv->event_log.next_entry, |
| 433 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 434 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 435 | iwl_print_cont_event_trace( |
| 436 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 437 | } else { |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 438 | iwl_print_cont_event_trace( |
| 439 | priv, base, next_entry, |
| 440 | capacity - next_entry, |
| 441 | capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 442 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 443 | iwl_print_cont_event_trace( |
| 444 | priv, base, 0, next_entry, capacity, mode); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 445 | } |
| 446 | } |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 447 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 448 | priv->event_log.num_wraps = num_wraps; |
| 449 | priv->event_log.next_entry = next_entry; |
| 450 | } |
| 451 | |
| 452 | /** |
| 453 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 454 | * |
| 455 | * The timer is continually set to execute every |
| 456 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 457 | * this function is to perform continuous uCode event logging operation |
| 458 | * if enabled |
| 459 | */ |
| 460 | static void iwl_bg_ucode_trace(unsigned long data) |
| 461 | { |
| 462 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 463 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 464 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 465 | return; |
| 466 | |
| 467 | if (priv->event_log.ucode_trace) { |
| 468 | iwl_continuous_event_trace(priv); |
| 469 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 470 | mod_timer(&priv->ucode_trace, |
| 471 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 472 | } |
| 473 | } |
| 474 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 475 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 476 | { |
| 477 | struct iwl_priv *priv = |
| 478 | container_of(work, struct iwl_priv, tx_flush); |
| 479 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 480 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 481 | return; |
| 482 | |
| 483 | /* do nothing if rf-kill is on */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 484 | if (!iwl_is_ready_rf(priv)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 485 | return; |
| 486 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 487 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 488 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 489 | } |
| 490 | |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 491 | /* |
| 492 | * queue/FIFO/AC mapping definitions |
| 493 | */ |
| 494 | |
| 495 | #define IWL_TX_FIFO_BK 0 /* shared */ |
| 496 | #define IWL_TX_FIFO_BE 1 |
| 497 | #define IWL_TX_FIFO_VI 2 /* shared */ |
| 498 | #define IWL_TX_FIFO_VO 3 |
| 499 | #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK |
| 500 | #define IWL_TX_FIFO_BE_IPAN 4 |
| 501 | #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI |
| 502 | #define IWL_TX_FIFO_VO_IPAN 5 |
| 503 | /* re-uses the VO FIFO, uCode will properly flush/schedule */ |
| 504 | #define IWL_TX_FIFO_AUX 5 |
| 505 | #define IWL_TX_FIFO_UNUSED -1 |
| 506 | |
| 507 | #define IWLAGN_CMD_FIFO_NUM 7 |
| 508 | |
| 509 | /* |
| 510 | * This queue number is required for proper operation |
| 511 | * because the ucode will stop/start the scheduler as |
| 512 | * required. |
| 513 | */ |
| 514 | #define IWL_IPAN_MCAST_QUEUE 8 |
| 515 | |
| 516 | static const u8 iwlagn_default_queue_to_tx_fifo[] = { |
| 517 | IWL_TX_FIFO_VO, |
| 518 | IWL_TX_FIFO_VI, |
| 519 | IWL_TX_FIFO_BE, |
| 520 | IWL_TX_FIFO_BK, |
| 521 | IWLAGN_CMD_FIFO_NUM, |
| 522 | }; |
| 523 | |
| 524 | static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { |
| 525 | IWL_TX_FIFO_VO, |
| 526 | IWL_TX_FIFO_VI, |
| 527 | IWL_TX_FIFO_BE, |
| 528 | IWL_TX_FIFO_BK, |
| 529 | IWL_TX_FIFO_BK_IPAN, |
| 530 | IWL_TX_FIFO_BE_IPAN, |
| 531 | IWL_TX_FIFO_VI_IPAN, |
| 532 | IWL_TX_FIFO_VO_IPAN, |
| 533 | IWL_TX_FIFO_BE_IPAN, |
| 534 | IWLAGN_CMD_FIFO_NUM, |
| 535 | IWL_TX_FIFO_AUX, |
| 536 | }; |
| 537 | |
| 538 | static const u8 iwlagn_bss_ac_to_fifo[] = { |
| 539 | IWL_TX_FIFO_VO, |
| 540 | IWL_TX_FIFO_VI, |
| 541 | IWL_TX_FIFO_BE, |
| 542 | IWL_TX_FIFO_BK, |
| 543 | }; |
| 544 | |
| 545 | static const u8 iwlagn_bss_ac_to_queue[] = { |
| 546 | 0, 1, 2, 3, |
| 547 | }; |
| 548 | |
| 549 | static const u8 iwlagn_pan_ac_to_fifo[] = { |
| 550 | IWL_TX_FIFO_VO_IPAN, |
| 551 | IWL_TX_FIFO_VI_IPAN, |
| 552 | IWL_TX_FIFO_BE_IPAN, |
| 553 | IWL_TX_FIFO_BK_IPAN, |
| 554 | }; |
| 555 | |
| 556 | static const u8 iwlagn_pan_ac_to_queue[] = { |
| 557 | 7, 6, 5, 4, |
| 558 | }; |
| 559 | |
| 560 | static const u8 iwlagn_bss_queue_to_ac[] = { |
| 561 | IEEE80211_AC_VO, |
| 562 | IEEE80211_AC_VI, |
| 563 | IEEE80211_AC_BE, |
| 564 | IEEE80211_AC_BK, |
| 565 | }; |
| 566 | |
| 567 | static const u8 iwlagn_pan_queue_to_ac[] = { |
| 568 | IEEE80211_AC_VO, |
| 569 | IEEE80211_AC_VI, |
| 570 | IEEE80211_AC_BE, |
| 571 | IEEE80211_AC_BK, |
| 572 | IEEE80211_AC_BK, |
| 573 | IEEE80211_AC_BE, |
| 574 | IEEE80211_AC_VI, |
| 575 | IEEE80211_AC_VO, |
| 576 | }; |
| 577 | |
Johannes Berg | e6dd583 | 2012-03-07 09:52:40 -0800 | [diff] [blame] | 578 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 579 | { |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 580 | int i; |
| 581 | |
| 582 | /* |
| 583 | * The default context is always valid, |
| 584 | * the PAN context depends on uCode. |
| 585 | */ |
Johannes Berg | a18f61b | 2012-03-15 13:26:53 -0700 | [diff] [blame] | 586 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 587 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
Johannes Berg | a18f61b | 2012-03-15 13:26:53 -0700 | [diff] [blame] | 588 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 589 | |
| 590 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 591 | priv->contexts[i].ctxid = i; |
| 592 | |
| 593 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 594 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
| 595 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 596 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 597 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
| 598 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
| 599 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
| 600 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Don Fry | 87272af | 2012-01-25 15:26:34 -0800 | [diff] [blame] | 601 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 602 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 603 | BIT(NL80211_IFTYPE_ADHOC); |
| 604 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 605 | BIT(NL80211_IFTYPE_STATION); |
| 606 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
| 607 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 608 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 609 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 610 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue, |
| 611 | iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue)); |
| 612 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo, |
| 613 | iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo)); |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 614 | |
| 615 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
| 616 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 617 | REPLY_WIPAN_RXON_TIMING; |
| 618 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 619 | REPLY_WIPAN_RXON_ASSOC; |
| 620 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 621 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 622 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 623 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 624 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 625 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 626 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 627 | |
| 628 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) |
| 629 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 630 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 631 | BIT(NL80211_IFTYPE_P2P_GO); |
| 632 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 633 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 634 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 635 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 636 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue, |
| 637 | iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue)); |
| 638 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo, |
| 639 | iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo)); |
| 640 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 641 | |
| 642 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 643 | } |
| 644 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 645 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 646 | { |
| 647 | struct iwl_ct_kill_config cmd; |
| 648 | struct iwl_ct_kill_throttling_config adv_cmd; |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 649 | int ret = 0; |
| 650 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 651 | iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 652 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
Johannes Berg | 08ae86a | 2012-03-05 11:24:27 -0800 | [diff] [blame] | 653 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 654 | priv->thermal_throttle.ct_kill_toggle = false; |
| 655 | |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 656 | if (cfg(priv)->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 657 | adv_cmd.critical_temperature_enter = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 658 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 659 | adv_cmd.critical_temperature_exit = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 660 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 661 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 662 | ret = iwl_dvm_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 663 | REPLY_CT_KILL_CONFIG_CMD, |
| 664 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 665 | if (ret) |
| 666 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 667 | else |
| 668 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 669 | "succeeded, critical temperature enter is %d," |
| 670 | "exit is %d\n", |
| 671 | hw_params(priv).ct_kill_threshold, |
| 672 | hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 673 | } else { |
| 674 | cmd.critical_temperature_R = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 675 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 676 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 677 | ret = iwl_dvm_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 678 | REPLY_CT_KILL_CONFIG_CMD, |
| 679 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 680 | if (ret) |
| 681 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 682 | else |
| 683 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 684 | "succeeded, " |
| 685 | "critical temperature is %d\n", |
| 686 | hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 687 | } |
| 688 | } |
| 689 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 690 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 691 | { |
| 692 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 693 | struct iwl_host_cmd cmd = { |
| 694 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 695 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 696 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 697 | }; |
| 698 | |
| 699 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
Wey-Yi Guy | af4dc88 | 2011-10-04 07:10:19 -0700 | [diff] [blame] | 700 | 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] | 701 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 702 | |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 703 | return iwl_dvm_send_cmd(priv, &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 707 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
| 708 | { |
| 709 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { |
| 710 | .valid = cpu_to_le32(valid_tx_ant), |
| 711 | }; |
| 712 | |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 713 | if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 714 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
Johannes Berg | e10a053 | 2012-03-06 13:30:39 -0800 | [diff] [blame] | 715 | return iwl_dvm_send_cmd_pdu(priv, |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 716 | TX_ANT_CONFIGURATION_CMD, |
| 717 | CMD_SYNC, |
| 718 | sizeof(struct iwl_tx_ant_config_cmd), |
| 719 | &tx_ant_cmd); |
| 720 | } else { |
| 721 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); |
| 722 | return -EOPNOTSUPP; |
| 723 | } |
| 724 | } |
| 725 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 726 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 727 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 728 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 729 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 730 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 731 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 732 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 733 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 734 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 735 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 736 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 737 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 738 | /* After the ALIVE response, we can send host commands to the uCode */ |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 739 | set_bit(STATUS_ALIVE, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 740 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 741 | /* Enable watchdog to monitor the driver tx queues */ |
| 742 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 743 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 744 | if (iwl_is_rfkill(priv)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 745 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 746 | |
Johannes Berg | 98d4bf0 | 2012-01-13 11:56:11 +0100 | [diff] [blame] | 747 | if (priv->event_log.ucode_trace) { |
| 748 | /* start collecting data now */ |
| 749 | mod_timer(&priv->ucode_trace, jiffies); |
| 750 | } |
| 751 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 752 | /* download priority table before any calibration request */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 753 | if (cfg(priv)->bt_params && |
| 754 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 755 | /* Configure Bluetooth device coexistence support */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 756 | if (cfg(priv)->bt_params->bt_sco_disable) |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 757 | priv->bt_enable_pspoll = false; |
| 758 | else |
| 759 | priv->bt_enable_pspoll = true; |
| 760 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 761 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 762 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 763 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 764 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 765 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 766 | priv->cur_rssi_ctx = NULL; |
| 767 | |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 768 | iwl_send_prio_tbl(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 769 | |
| 770 | /* FIXME: w/a to force change uCode BT state machine */ |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 771 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 772 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 773 | if (ret) |
| 774 | return ret; |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 775 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 776 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 777 | if (ret) |
| 778 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 779 | } else { |
| 780 | /* |
| 781 | * default is 2-wire BT coexexistence support |
| 782 | */ |
| 783 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 784 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 785 | |
Venkataraman, Meenakshi | 885765f | 2011-12-14 16:54:21 -0800 | [diff] [blame] | 786 | /* |
| 787 | * Perform runtime calibrations, including DC calibration. |
| 788 | */ |
| 789 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 790 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 791 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 792 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 793 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 794 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 795 | /* Configure Tx antenna selection based on H/W config */ |
Johannes Berg | 7e79a39 | 2012-03-05 11:24:32 -0800 | [diff] [blame] | 796 | 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] | 797 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 798 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 799 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 800 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 801 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 802 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 803 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 804 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 805 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 806 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 807 | for_each_context(priv, tmp) |
| 808 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 809 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 810 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 811 | } |
| 812 | |
Johannes Berg | 15b86bf | 2012-03-05 11:24:36 -0800 | [diff] [blame] | 813 | if (!priv->wowlan) { |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 814 | /* WoWLAN ucode will not reply in the same way, skip it */ |
| 815 | iwl_reset_run_time_calib(priv); |
| 816 | } |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 817 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 818 | set_bit(STATUS_READY, &priv->status); |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 819 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 820 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 821 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 822 | if (ret) |
| 823 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 824 | |
| 825 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 826 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 827 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 828 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 829 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 830 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 831 | } |
| 832 | |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 833 | /** |
| 834 | * iwl_clear_driver_stations - clear knowledge of all stations from driver |
| 835 | * @priv: iwl priv struct |
| 836 | * |
| 837 | * This is called during iwl_down() to make sure that in the case |
| 838 | * we're coming there from a hardware restart mac80211 will be |
| 839 | * able to reconfigure stations -- if we're getting there in the |
| 840 | * normal down flow then the stations will already be cleared. |
| 841 | */ |
| 842 | static void iwl_clear_driver_stations(struct iwl_priv *priv) |
| 843 | { |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 844 | struct iwl_rxon_context *ctx; |
| 845 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 846 | spin_lock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 847 | memset(priv->stations, 0, sizeof(priv->stations)); |
| 848 | priv->num_stations = 0; |
| 849 | |
| 850 | priv->ucode_key_table = 0; |
| 851 | |
| 852 | for_each_context(priv, ctx) { |
| 853 | /* |
| 854 | * Remove all key information that is not stored as part |
| 855 | * of station information since mac80211 may not have had |
| 856 | * a chance to remove all the keys. When device is |
| 857 | * reconfigured by mac80211 after an error all keys will |
| 858 | * be reconfigured. |
| 859 | */ |
| 860 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); |
| 861 | ctx->key_mapping_keys = 0; |
| 862 | } |
| 863 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 864 | spin_unlock_bh(&priv->sta_lock); |
Johannes Berg | d316383 | 2012-03-05 11:24:19 -0800 | [diff] [blame] | 865 | } |
| 866 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 867 | void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 868 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 869 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 870 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 871 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 872 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 873 | lockdep_assert_held(&priv->mutex); |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 874 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 875 | iwl_scan_cancel_timeout(priv, 200); |
| 876 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 877 | /* |
| 878 | * If active, scanning won't cancel it, so say it expired. |
| 879 | * No race since we hold the mutex here and a new one |
| 880 | * can't come in at this time. |
| 881 | */ |
| 882 | ieee80211_remain_on_channel_expired(priv->hw); |
| 883 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 884 | exit_pending = |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 885 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 886 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 887 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 888 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 889 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 890 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 891 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 892 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 893 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 894 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 895 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 896 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 897 | priv->cur_rssi_ctx = NULL; |
| 898 | priv->bt_is_sco = 0; |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 899 | if (cfg(priv)->bt_params) |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 900 | priv->bt_traffic_load = |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 901 | cfg(priv)->bt_params->bt_init_traffic_load; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 902 | else |
| 903 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 904 | priv->bt_full_concurrent = false; |
| 905 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 906 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 907 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 908 | * exiting the module */ |
| 909 | if (!exit_pending) |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 910 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 911 | |
Emmanuel Grumbach | 859cfb0 | 2011-09-15 11:46:31 -0700 | [diff] [blame] | 912 | if (priv->mac80211_registered) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 913 | ieee80211_stop_queues(priv->hw); |
| 914 | |
David Spinadel | 8f7ffbe | 2012-03-10 13:00:10 -0800 | [diff] [blame] | 915 | priv->ucode_loaded = false; |
Emmanuel Grumbach | 909e9b2 | 2011-09-15 11:46:30 -0700 | [diff] [blame] | 916 | iwl_trans_stop_device(trans(priv)); |
| 917 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 918 | /* Clear out all status bits but a few that are stable across reset */ |
Don Fry | 1353a7b | 2012-03-07 09:52:43 -0800 | [diff] [blame] | 919 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 920 | STATUS_RF_KILL_HW | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 921 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 922 | STATUS_GEO_CONFIGURED | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 923 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 924 | STATUS_EXIT_PENDING; |
Don Fry | 1353a7b | 2012-03-07 09:52:43 -0800 | [diff] [blame] | 925 | priv->shrd->status &= |
| 926 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
| 927 | STATUS_FW_ERROR; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 928 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 929 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 930 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 931 | } |
| 932 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 933 | /***************************************************************************** |
| 934 | * |
| 935 | * Workqueue callbacks |
| 936 | * |
| 937 | *****************************************************************************/ |
| 938 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 939 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 940 | { |
| 941 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 942 | run_time_calib_work); |
| 943 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 944 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 945 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 946 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
| 947 | test_bit(STATUS_SCANNING, &priv->status)) { |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 948 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 949 | return; |
| 950 | } |
| 951 | |
| 952 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 953 | iwl_chain_noise_calibration(priv); |
| 954 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 955 | } |
| 956 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 957 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 958 | } |
| 959 | |
Wey-Yi Guy | 7335613 | 2011-11-10 06:55:11 -0800 | [diff] [blame] | 960 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 961 | { |
| 962 | struct iwl_rxon_context *ctx; |
| 963 | bool bt_full_concurrent; |
| 964 | u8 bt_ci_compliance; |
| 965 | u8 bt_load; |
| 966 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 967 | bool bt_is_sco; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 968 | int i; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 969 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 970 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 971 | |
| 972 | for_each_context(priv, ctx) |
| 973 | ctx->vif = NULL; |
| 974 | priv->is_open = 0; |
| 975 | |
| 976 | /* |
| 977 | * __iwl_down() will clear the BT status variables, |
| 978 | * which is correct, but when we restart we really |
| 979 | * want to keep them so restore them afterwards. |
| 980 | * |
| 981 | * The restart process will later pick them up and |
| 982 | * re-configure the hw when we reconfigure the BT |
| 983 | * command. |
| 984 | */ |
| 985 | bt_full_concurrent = priv->bt_full_concurrent; |
| 986 | bt_ci_compliance = priv->bt_ci_compliance; |
| 987 | bt_load = priv->bt_traffic_load; |
| 988 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 989 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 990 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 991 | iwl_down(priv); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 992 | |
| 993 | priv->bt_full_concurrent = bt_full_concurrent; |
| 994 | priv->bt_ci_compliance = bt_ci_compliance; |
| 995 | priv->bt_traffic_load = bt_load; |
| 996 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 997 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 998 | |
| 999 | /* reset all queues */ |
| 1000 | for (i = 0; i < IEEE80211_NUM_ACS; i++) |
| 1001 | atomic_set(&priv->ac_stop_count[i], 0); |
| 1002 | |
| 1003 | for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++) |
| 1004 | priv->queue_to_ac[i] = IWL_INVALID_AC; |
| 1005 | |
| 1006 | memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc)); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1007 | } |
| 1008 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1009 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1010 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 1011 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1012 | |
Don Fry | 8362640 | 2012-03-07 09:52:37 -0800 | [diff] [blame] | 1013 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1014 | return; |
| 1015 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1016 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1017 | mutex_lock(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1018 | iwlagn_prepare_restart(priv); |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1019 | mutex_unlock(&priv->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1020 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1021 | ieee80211_restart_hw(priv->hw); |
| 1022 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1023 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1024 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 1027 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 1028 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 1029 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1030 | void iwlagn_disable_roc(struct iwl_priv *priv) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1031 | { |
| 1032 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1033 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1034 | lockdep_assert_held(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1035 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1036 | if (!priv->hw_roc_setup) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1037 | return; |
| 1038 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1039 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1040 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1041 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1042 | priv->hw_roc_channel = NULL; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1043 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1044 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
| 1045 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 1046 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1047 | |
| 1048 | ctx->is_active = false; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1049 | priv->hw_roc_setup = false; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1050 | } |
| 1051 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1052 | static void iwlagn_disable_roc_work(struct work_struct *work) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1053 | { |
| 1054 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1055 | hw_roc_disable_work.work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1056 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1057 | mutex_lock(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1058 | iwlagn_disable_roc(priv); |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1059 | mutex_unlock(&priv->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1060 | } |
| 1061 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1062 | /***************************************************************************** |
| 1063 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1064 | * driver setup and teardown |
| 1065 | * |
| 1066 | *****************************************************************************/ |
| 1067 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1068 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1069 | { |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1070 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1071 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1072 | INIT_WORK(&priv->restart, iwl_bg_restart); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1073 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1074 | 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] | 1075 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1076 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 1077 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1078 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
| 1079 | iwlagn_disable_roc_work); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 1080 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 1081 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1082 | |
Johannes Berg | 562f08e | 2012-03-07 09:52:18 -0800 | [diff] [blame] | 1083 | if (cfg(priv)->bt_params) |
| 1084 | iwlagn_bt_setup_deferred_work(priv); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1085 | |
| 1086 | init_timer(&priv->statistics_periodic); |
| 1087 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1088 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1089 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1090 | init_timer(&priv->ucode_trace); |
| 1091 | priv->ucode_trace.data = (unsigned long)priv; |
| 1092 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 1093 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 1094 | init_timer(&priv->watchdog); |
| 1095 | priv->watchdog.data = (unsigned long)priv; |
| 1096 | priv->watchdog.function = iwl_bg_watchdog; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1097 | } |
| 1098 | |
Emmanuel Grumbach | 78e5a46 | 2012-02-17 10:34:53 -0800 | [diff] [blame] | 1099 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1100 | { |
Johannes Berg | 562f08e | 2012-03-07 09:52:18 -0800 | [diff] [blame] | 1101 | if (cfg(priv)->bt_params) |
| 1102 | iwlagn_bt_cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1103 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 1104 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1105 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 1106 | |
| 1107 | iwl_cancel_scan_deferred_work(priv); |
| 1108 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1109 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 1110 | cancel_work_sync(&priv->bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1111 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 1112 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1113 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 1114 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1115 | } |
| 1116 | |
Johannes Berg | 03dadf9 | 2012-03-07 09:52:13 -0800 | [diff] [blame] | 1117 | static void iwl_init_hw_rates(struct ieee80211_rate *rates) |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1118 | { |
| 1119 | int i; |
| 1120 | |
| 1121 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 1122 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 1123 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 1124 | rates[i].hw_value_short = i; |
| 1125 | rates[i].flags = 0; |
| 1126 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 1127 | /* |
| 1128 | * If CCK != 1M then set short preamble rate flag. |
| 1129 | */ |
| 1130 | rates[i].flags |= |
| 1131 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 1132 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | |
Meenakshi Venkataraman | 533b426 | 2012-03-15 13:26:58 -0700 | [diff] [blame^] | 1137 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
| 1138 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ |
| 1139 | static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, |
| 1140 | struct ieee80211_sta_ht_cap *ht_info, |
| 1141 | enum ieee80211_band band) |
| 1142 | { |
| 1143 | u16 max_bit_rate = 0; |
| 1144 | u8 rx_chains_num = hw_params(priv).rx_chains_num; |
| 1145 | u8 tx_chains_num = hw_params(priv).tx_chains_num; |
| 1146 | |
| 1147 | ht_info->cap = 0; |
| 1148 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
| 1149 | |
| 1150 | ht_info->ht_supported = true; |
| 1151 | |
| 1152 | if (cfg(priv)->ht_params && |
| 1153 | cfg(priv)->ht_params->ht_greenfield_support) |
| 1154 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
| 1155 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 1156 | max_bit_rate = MAX_BIT_RATE_20_MHZ; |
| 1157 | if (hw_params(priv).ht40_channel & BIT(band)) { |
| 1158 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| 1159 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; |
| 1160 | ht_info->mcs.rx_mask[4] = 0x01; |
| 1161 | max_bit_rate = MAX_BIT_RATE_40_MHZ; |
| 1162 | } |
| 1163 | |
| 1164 | if (iwlagn_mod_params.amsdu_size_8K) |
| 1165 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; |
| 1166 | |
| 1167 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; |
| 1168 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; |
| 1169 | |
| 1170 | ht_info->mcs.rx_mask[0] = 0xFF; |
| 1171 | if (rx_chains_num >= 2) |
| 1172 | ht_info->mcs.rx_mask[1] = 0xFF; |
| 1173 | if (rx_chains_num >= 3) |
| 1174 | ht_info->mcs.rx_mask[2] = 0xFF; |
| 1175 | |
| 1176 | /* Highest supported Rx data rate */ |
| 1177 | max_bit_rate *= rx_chains_num; |
| 1178 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); |
| 1179 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); |
| 1180 | |
| 1181 | /* Tx MCS capabilities */ |
| 1182 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; |
| 1183 | if (tx_chains_num != rx_chains_num) { |
| 1184 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| 1185 | ht_info->mcs.tx_params |= ((tx_chains_num - 1) << |
| 1186 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
| 1187 | } |
| 1188 | } |
| 1189 | |
| 1190 | /** |
| 1191 | * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom |
| 1192 | */ |
| 1193 | static int iwl_init_geos(struct iwl_priv *priv) |
| 1194 | { |
| 1195 | struct iwl_channel_info *ch; |
| 1196 | struct ieee80211_supported_band *sband; |
| 1197 | struct ieee80211_channel *channels; |
| 1198 | struct ieee80211_channel *geo_ch; |
| 1199 | struct ieee80211_rate *rates; |
| 1200 | int i = 0; |
| 1201 | s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN; |
| 1202 | |
| 1203 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || |
| 1204 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { |
| 1205 | IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); |
| 1206 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 1207 | return 0; |
| 1208 | } |
| 1209 | |
| 1210 | channels = kcalloc(priv->channel_count, |
| 1211 | sizeof(struct ieee80211_channel), GFP_KERNEL); |
| 1212 | if (!channels) |
| 1213 | return -ENOMEM; |
| 1214 | |
| 1215 | rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), |
| 1216 | GFP_KERNEL); |
| 1217 | if (!rates) { |
| 1218 | kfree(channels); |
| 1219 | return -ENOMEM; |
| 1220 | } |
| 1221 | |
| 1222 | /* 5.2GHz channels start after the 2.4GHz channels */ |
| 1223 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; |
| 1224 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; |
| 1225 | /* just OFDM */ |
| 1226 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; |
| 1227 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; |
| 1228 | |
| 1229 | if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) |
| 1230 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
| 1231 | IEEE80211_BAND_5GHZ); |
| 1232 | |
| 1233 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; |
| 1234 | sband->channels = channels; |
| 1235 | /* OFDM & CCK */ |
| 1236 | sband->bitrates = rates; |
| 1237 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY; |
| 1238 | |
| 1239 | if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) |
| 1240 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
| 1241 | IEEE80211_BAND_2GHZ); |
| 1242 | |
| 1243 | priv->ieee_channels = channels; |
| 1244 | priv->ieee_rates = rates; |
| 1245 | |
| 1246 | for (i = 0; i < priv->channel_count; i++) { |
| 1247 | ch = &priv->channel_info[i]; |
| 1248 | |
| 1249 | /* FIXME: might be removed if scan is OK */ |
| 1250 | if (!is_channel_valid(ch)) |
| 1251 | continue; |
| 1252 | |
| 1253 | sband = &priv->bands[ch->band]; |
| 1254 | |
| 1255 | geo_ch = &sband->channels[sband->n_channels++]; |
| 1256 | |
| 1257 | geo_ch->center_freq = |
| 1258 | ieee80211_channel_to_frequency(ch->channel, ch->band); |
| 1259 | geo_ch->max_power = ch->max_power_avg; |
| 1260 | geo_ch->max_antenna_gain = 0xff; |
| 1261 | geo_ch->hw_value = ch->channel; |
| 1262 | |
| 1263 | if (is_channel_valid(ch)) { |
| 1264 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) |
| 1265 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; |
| 1266 | |
| 1267 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) |
| 1268 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; |
| 1269 | |
| 1270 | if (ch->flags & EEPROM_CHANNEL_RADAR) |
| 1271 | geo_ch->flags |= IEEE80211_CHAN_RADAR; |
| 1272 | |
| 1273 | geo_ch->flags |= ch->ht40_extension_channel; |
| 1274 | |
| 1275 | if (ch->max_power_avg > max_tx_power) |
| 1276 | max_tx_power = ch->max_power_avg; |
| 1277 | } else { |
| 1278 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; |
| 1279 | } |
| 1280 | |
| 1281 | IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", |
| 1282 | ch->channel, geo_ch->center_freq, |
| 1283 | is_channel_a_band(ch) ? "5.2" : "2.4", |
| 1284 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? |
| 1285 | "restricted" : "valid", |
| 1286 | geo_ch->flags); |
| 1287 | } |
| 1288 | |
| 1289 | priv->tx_power_device_lmt = max_tx_power; |
| 1290 | priv->tx_power_user_lmt = max_tx_power; |
| 1291 | priv->tx_power_next = max_tx_power; |
| 1292 | |
| 1293 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && |
| 1294 | hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) { |
| 1295 | IWL_INFO(priv, "Incorrectly detected BG card as ABG. " |
| 1296 | "Please send your %s to maintainer.\n", |
| 1297 | trans(priv)->hw_id_str); |
| 1298 | hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; |
| 1299 | } |
| 1300 | |
| 1301 | IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", |
| 1302 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, |
| 1303 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); |
| 1304 | |
| 1305 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 1306 | |
| 1307 | return 0; |
| 1308 | } |
| 1309 | |
| 1310 | /* |
| 1311 | * iwl_free_geos - undo allocations in iwl_init_geos |
| 1312 | */ |
| 1313 | static void iwl_free_geos(struct iwl_priv *priv) |
| 1314 | { |
| 1315 | kfree(priv->ieee_channels); |
| 1316 | kfree(priv->ieee_rates); |
| 1317 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); |
| 1318 | } |
| 1319 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1320 | static int iwl_init_drv(struct iwl_priv *priv) |
| 1321 | { |
| 1322 | int ret; |
| 1323 | |
Johannes Berg | fa23cb0 | 2012-03-05 11:24:25 -0800 | [diff] [blame] | 1324 | spin_lock_init(&priv->sta_lock); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1325 | |
Johannes Berg | b1eea29 | 2012-03-06 13:30:42 -0800 | [diff] [blame] | 1326 | mutex_init(&priv->mutex); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1327 | |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 1328 | INIT_LIST_HEAD(&priv->calib_results); |
Johannes Berg | 80e83da | 2011-11-25 11:11:44 -0800 | [diff] [blame] | 1329 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1330 | priv->ieee_channels = NULL; |
| 1331 | priv->ieee_rates = NULL; |
| 1332 | priv->band = IEEE80211_BAND_2GHZ; |
| 1333 | |
Johannes Berg | ab5c0f1 | 2012-03-06 13:30:53 -0800 | [diff] [blame] | 1334 | priv->plcp_delta_threshold = |
| 1335 | cfg(priv)->base_params->plcp_delta_threshold; |
| 1336 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1337 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 1338 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 1339 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1340 | priv->agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1341 | |
Johannes Berg | 947a940 | 2012-03-06 13:30:59 -0800 | [diff] [blame] | 1342 | priv->ucode_owner = IWL_OWNERSHIP_DRIVER; |
| 1343 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 1344 | /* initialize force reset */ |
| 1345 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 1346 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 1347 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 1348 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1349 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 1350 | priv->rx_statistics_jiffies = jiffies; |
| 1351 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1352 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1353 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1354 | |
| 1355 | iwl_init_scan_params(priv); |
| 1356 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1357 | /* init bt coex */ |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1358 | if (cfg(priv)->bt_params && |
| 1359 | cfg(priv)->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 1360 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 1361 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 1362 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1363 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 1364 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 1365 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 1366 | } |
| 1367 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1368 | ret = iwl_init_channel_map(priv); |
| 1369 | if (ret) { |
| 1370 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 1371 | goto err; |
| 1372 | } |
| 1373 | |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1374 | ret = iwl_init_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1375 | if (ret) { |
| 1376 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 1377 | goto err_free_channel_map; |
| 1378 | } |
Johannes Berg | 03dadf9 | 2012-03-07 09:52:13 -0800 | [diff] [blame] | 1379 | iwl_init_hw_rates(priv->ieee_rates); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1380 | |
| 1381 | return 0; |
| 1382 | |
| 1383 | err_free_channel_map: |
| 1384 | iwl_free_channel_map(priv); |
| 1385 | err: |
| 1386 | return ret; |
| 1387 | } |
| 1388 | |
| 1389 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 1390 | { |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 1391 | iwl_free_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1392 | iwl_free_channel_map(priv); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 1393 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 1394 | kfree(priv->beacon_cmd); |
Johannes Berg | 79d3eef | 2011-11-10 06:55:01 -0800 | [diff] [blame] | 1395 | kfree(rcu_dereference_raw(priv->noa_data)); |
Johannes Berg | e199188 | 2012-03-06 13:30:36 -0800 | [diff] [blame] | 1396 | iwl_calib_free_results(priv); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1397 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1398 | kfree(priv->wowlan_sram); |
| 1399 | #endif |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 1400 | } |
| 1401 | |
Emmanuel Grumbach | dda61a4 | 2011-08-25 23:11:11 -0700 | [diff] [blame] | 1402 | /* Size of one Rx buffer in host DRAM */ |
| 1403 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) |
| 1404 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) |
| 1405 | |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1406 | static void iwl_set_hw_params(struct iwl_priv *priv) |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1407 | { |
Johannes Berg | b9ad70d | 2012-03-06 13:30:55 -0800 | [diff] [blame] | 1408 | if (cfg(priv)->ht_params) |
| 1409 | hw_params(priv).use_rts_for_aggregation = |
| 1410 | cfg(priv)->ht_params->use_rts_for_aggregation; |
| 1411 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 1412 | if (iwlagn_mod_params.amsdu_size_8K) |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1413 | hw_params(priv).rx_page_order = |
| 1414 | get_order(IWL_RX_BUF_SIZE_8K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1415 | else |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1416 | hw_params(priv).rx_page_order = |
| 1417 | get_order(IWL_RX_BUF_SIZE_4K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1418 | |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 1419 | if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
Johannes Berg | 54708d8 | 2012-03-05 11:24:31 -0800 | [diff] [blame] | 1420 | hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1421 | |
Don Fry | 3862241 | 2011-12-16 07:07:36 -0800 | [diff] [blame] | 1422 | hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout; |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 1423 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1424 | /* Device-specific setup */ |
Emmanuel Grumbach | 6d4dec7 | 2012-02-17 10:52:03 -0800 | [diff] [blame] | 1425 | cfg(priv)->lib->set_hw_params(priv); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 1426 | } |
| 1427 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1428 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 1429 | |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1430 | static void iwl_debug_config(struct iwl_priv *priv) |
| 1431 | { |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1432 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1433 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1434 | "enabled\n"); |
| 1435 | #else |
| 1436 | "disabled\n"); |
| 1437 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1438 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1439 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1440 | "enabled\n"); |
| 1441 | #else |
| 1442 | "disabled\n"); |
| 1443 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1444 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1445 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
| 1446 | "enabled\n"); |
| 1447 | #else |
| 1448 | "disabled\n"); |
| 1449 | #endif |
| 1450 | |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1451 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
Wey-Yi Guy | 5ef15cc | 2011-11-30 13:24:06 -0800 | [diff] [blame] | 1452 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1453 | "enabled\n"); |
| 1454 | #else |
| 1455 | "disabled\n"); |
| 1456 | #endif |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1457 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " |
Wey-Yi Guy | 0cb38d6 | 2011-12-02 07:33:57 -0800 | [diff] [blame] | 1458 | #ifdef CONFIG_IWLWIFI_P2P |
| 1459 | "enabled\n"); |
| 1460 | #else |
| 1461 | "disabled\n"); |
| 1462 | #endif |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1463 | } |
| 1464 | |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1465 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, |
| 1466 | const struct iwl_fw *fw) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1467 | { |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1468 | struct iwl_priv *priv; |
| 1469 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1470 | struct iwl_op_mode *op_mode; |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1471 | u16 num_mac; |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1472 | u32 ucode_flags; |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1473 | struct iwl_trans_config trans_cfg; |
Johannes Berg | d663ee7 | 2012-03-10 13:00:07 -0800 | [diff] [blame] | 1474 | static const u8 no_reclaim_cmds[] = { |
| 1475 | REPLY_RX_PHY_CMD, |
| 1476 | REPLY_RX, |
| 1477 | REPLY_RX_MPDU_CMD, |
| 1478 | REPLY_COMPRESSED_BA, |
| 1479 | STATISTICS_NOTIFICATION, |
| 1480 | REPLY_TX, |
| 1481 | }; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 1482 | const u8 *q_to_ac; |
| 1483 | int n_q_to_ac; |
| 1484 | int i; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1485 | |
| 1486 | /************************ |
| 1487 | * 1. Allocating HW data |
| 1488 | ************************/ |
Don Fry | fa06ec7 | 2011-10-14 12:54:46 -0700 | [diff] [blame] | 1489 | hw = iwl_alloc_all(); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1490 | if (!hw) { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1491 | pr_err("%s: Cannot allocate network device\n", |
| 1492 | cfg(trans)->name); |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 1493 | goto out; |
| 1494 | } |
| 1495 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1496 | op_mode = hw->priv; |
| 1497 | op_mode->ops = &iwl_dvm_ops; |
| 1498 | priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1499 | priv->shrd = trans->shrd; |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1500 | priv->fw = fw; |
| 1501 | /* TODO: remove fw from shared data later */ |
| 1502 | priv->shrd->fw = fw; |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 1503 | |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1504 | /* |
| 1505 | * Populate the state variables that the transport layer needs |
| 1506 | * to know about. |
| 1507 | */ |
| 1508 | trans_cfg.op_mode = op_mode; |
Johannes Berg | d663ee7 | 2012-03-10 13:00:07 -0800 | [diff] [blame] | 1509 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; |
| 1510 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); |
Meenakshi Venkataraman | 9bdfbfa | 2012-03-07 09:52:36 -0800 | [diff] [blame] | 1511 | |
| 1512 | ucode_flags = fw->ucode_capa.flags; |
| 1513 | |
| 1514 | #ifndef CONFIG_IWLWIFI_P2P |
| 1515 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1516 | #endif |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1517 | |
Meenakshi Venkataraman | c6f600f | 2012-03-08 11:29:12 -0800 | [diff] [blame] | 1518 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
| 1519 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
| 1520 | trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 1521 | trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; |
| 1522 | trans_cfg.n_queue_to_fifo = |
| 1523 | ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); |
| 1524 | q_to_ac = iwlagn_pan_queue_to_ac; |
| 1525 | n_q_to_ac = ARRAY_SIZE(iwlagn_pan_queue_to_ac); |
Meenakshi Venkataraman | c6f600f | 2012-03-08 11:29:12 -0800 | [diff] [blame] | 1526 | } else { |
| 1527 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
| 1528 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 1529 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
| 1530 | trans_cfg.n_queue_to_fifo = |
| 1531 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); |
| 1532 | q_to_ac = iwlagn_bss_queue_to_ac; |
| 1533 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); |
Meenakshi Venkataraman | c6f600f | 2012-03-08 11:29:12 -0800 | [diff] [blame] | 1534 | } |
| 1535 | |
Meenakshi Venkataraman | 92d743a | 2012-03-07 09:52:35 -0800 | [diff] [blame] | 1536 | /* Configure transport layer */ |
| 1537 | iwl_trans_configure(trans(priv), &trans_cfg); |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1538 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1539 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 1540 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1541 | SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1542 | |
Don Fry | 1589c56 | 2012-01-27 13:15:54 -0800 | [diff] [blame] | 1543 | /* show what debugging capabilities we have */ |
Wey-Yi Guy | ebfa867 | 2011-11-25 11:11:47 -0800 | [diff] [blame] | 1544 | iwl_debug_config(priv); |
| 1545 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1546 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1547 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1548 | /* is antenna coupling more than 35dB ? */ |
| 1549 | priv->bt_ant_couple_ok = |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1550 | (iwlagn_mod_params.ant_coupling > |
| 1551 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 1552 | true : false; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1553 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1554 | /* enable/disable bt channel inhibition */ |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 1555 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1556 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 1557 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1558 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1559 | if (iwl_alloc_traffic_mem(priv)) |
| 1560 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1561 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 1562 | /* 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] | 1563 | * we should init now |
| 1564 | */ |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 1565 | spin_lock_init(&trans(priv)->reg_lock); |
Johannes Berg | 4ff70fcd | 2012-03-05 11:24:26 -0800 | [diff] [blame] | 1566 | spin_lock_init(&priv->statistics.lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 1567 | |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1568 | /*********************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1569 | * 2. Read REV register |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 1570 | ***********************/ |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 1571 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Emmanuel Grumbach | 08079a49 | 2012-01-09 16:23:00 +0200 | [diff] [blame] | 1572 | cfg(priv)->name, trans(priv)->hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1573 | |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1574 | if (iwl_trans_start_hw(trans(priv))) |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1575 | goto out_free_traffic_mem; |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 1576 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1577 | /***************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1578 | * 3. Read EEPROM |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1579 | *****************/ |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1580 | /* Read the EEPROM */ |
| 1581 | if (iwl_eeprom_init(trans(priv), trans(priv)->hw_rev)) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1582 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 1583 | goto out_free_traffic_mem; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1584 | } |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1585 | /* Reset chip to save power until we load uCode during "up". */ |
| 1586 | iwl_trans_stop_hw(trans(priv)); |
| 1587 | |
| 1588 | if (iwl_eeprom_check_version(priv)) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 1589 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 1590 | |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1591 | if (iwl_eeprom_init_hw_params(priv)) |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 1592 | goto out_free_eeprom; |
| 1593 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 1594 | /* extract MAC Address */ |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1595 | iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1596 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 1597 | priv->hw->wiphy->addresses = priv->addresses; |
| 1598 | priv->hw->wiphy->n_addresses = 1; |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1599 | num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS); |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 1600 | if (num_mac > 1) { |
| 1601 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 1602 | ETH_ALEN); |
| 1603 | priv->addresses[1].addr[5]++; |
| 1604 | priv->hw->wiphy->n_addresses++; |
| 1605 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1606 | |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1607 | /************************ |
| 1608 | * 4. Setup HW constants |
| 1609 | ************************/ |
| 1610 | iwl_set_hw_params(priv); |
| 1611 | |
| 1612 | if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { |
| 1613 | IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); |
| 1614 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
| 1615 | /* |
| 1616 | * if not PAN, then don't support P2P -- might be a uCode |
| 1617 | * packaging bug or due to the eeprom check above |
| 1618 | */ |
| 1619 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
| 1620 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
| 1621 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 1622 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
| 1623 | trans_cfg.n_queue_to_fifo = |
| 1624 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); |
| 1625 | q_to_ac = iwlagn_bss_queue_to_ac; |
| 1626 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1627 | |
| 1628 | /* Configure transport layer again*/ |
| 1629 | iwl_trans_configure(trans(priv), &trans_cfg); |
| 1630 | } |
| 1631 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1632 | /******************* |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1633 | * 5. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1634 | *******************/ |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 1635 | for (i = 0; i < IEEE80211_NUM_ACS; i++) |
| 1636 | atomic_set(&priv->ac_stop_count[i], 0); |
| 1637 | |
| 1638 | for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { |
| 1639 | if (i < n_q_to_ac) |
| 1640 | priv->queue_to_ac[i] = q_to_ac[i]; |
| 1641 | else |
| 1642 | priv->queue_to_ac[i] = IWL_INVALID_AC; |
| 1643 | } |
| 1644 | |
| 1645 | WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != |
| 1646 | IWLAGN_CMD_FIFO_NUM); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1647 | |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1648 | if (iwl_init_drv(priv)) |
Ron Rindjunsky | 399f490 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 1649 | goto out_free_eeprom; |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1650 | |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 1651 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1652 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1653 | /******************** |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1654 | * 6. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1655 | ********************/ |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1656 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 1657 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1658 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 1659 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 1660 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1661 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1662 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1663 | snprintf(priv->hw->wiphy->fw_version, |
| 1664 | sizeof(priv->hw->wiphy->fw_version), |
| 1665 | "%s", fw->fw_version); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 1666 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1667 | priv->new_scan_threshold_behaviour = |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1668 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1669 | |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1670 | priv->phy_calib_chain_noise_reset_cmd = |
| 1671 | fw->ucode_capa.standard_phy_calibration_size; |
| 1672 | priv->phy_calib_chain_noise_gain_cmd = |
| 1673 | fw->ucode_capa.standard_phy_calibration_size + 1; |
| 1674 | |
| 1675 | /* initialize all valid contexts */ |
Johannes Berg | a78be21 | 2012-02-21 18:31:06 +0200 | [diff] [blame] | 1676 | iwl_init_context(priv, ucode_flags); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1677 | |
| 1678 | /************************************************** |
| 1679 | * This is still part of probe() in a sense... |
| 1680 | * |
Emmanuel Grumbach | 3dc420b | 2012-03-07 09:52:41 -0800 | [diff] [blame] | 1681 | * 7. Setup and register with mac80211 and debugfs |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1682 | **************************************************/ |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1683 | if (iwlagn_mac_setup_register(priv, &fw->ucode_capa)) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1684 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 1685 | |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1686 | if (iwl_dbgfs_register(priv, DRV_NAME)) |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1687 | IWL_ERR(priv, |
Wey-Yi Guy | 88f10a1 | 2012-03-15 13:26:42 -0700 | [diff] [blame] | 1688 | "failed to create debugfs files. Ignoring error\n"); |
Emmanuel Grumbach | e211b24 | 2012-02-07 10:35:18 +0200 | [diff] [blame] | 1689 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1690 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1691 | |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1692 | out_destroy_workqueue: |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1693 | destroy_workqueue(priv->workqueue); |
| 1694 | priv->workqueue = NULL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1695 | iwl_uninit_drv(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1696 | out_free_eeprom: |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1697 | iwl_eeprom_free(priv->shrd); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1698 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1699 | iwl_free_traffic_mem(priv); |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 1700 | ieee80211_free_hw(priv->hw); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 1701 | out: |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1702 | op_mode = NULL; |
| 1703 | return op_mode; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1704 | } |
| 1705 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1706 | 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] | 1707 | { |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 1708 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 1709 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1710 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1711 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1712 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 1713 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 1714 | iwl_testmode_cleanup(priv); |
Don Fry | 09af140 | 2011-12-09 10:07:38 -0800 | [diff] [blame] | 1715 | iwlagn_mac_unregister(priv); |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 1716 | |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 1717 | iwl_tt_exit(priv); |
| 1718 | |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 1719 | /*This will stop the queues, move the device to low power state */ |
David Spinadel | 8f7ffbe | 2012-03-10 13:00:10 -0800 | [diff] [blame] | 1720 | priv->ucode_loaded = false; |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 1721 | iwl_trans_stop_device(trans(priv)); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 1722 | |
Don Fry | ab36eab | 2011-11-30 15:37:32 -0800 | [diff] [blame] | 1723 | iwl_eeprom_free(priv->shrd); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1724 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1725 | /*netif_stop_queue(dev); */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1726 | flush_workqueue(priv->workqueue); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1727 | |
Wey-Yi Guy | ade4c64 | 2011-10-10 07:27:11 -0700 | [diff] [blame] | 1728 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1729 | * priv->workqueue... so we can't take down the workqueue |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1730 | * until now... */ |
Johannes Berg | 1ee158d | 2012-02-17 10:07:44 -0800 | [diff] [blame] | 1731 | destroy_workqueue(priv->workqueue); |
| 1732 | priv->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 1733 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1734 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 1735 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1736 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 1737 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1738 | |
| 1739 | ieee80211_free_hw(priv->hw); |
| 1740 | } |
| 1741 | |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 1742 | static const char * const desc_lookup_text[] = { |
| 1743 | "OK", |
| 1744 | "FAIL", |
| 1745 | "BAD_PARAM", |
| 1746 | "BAD_CHECKSUM", |
| 1747 | "NMI_INTERRUPT_WDG", |
| 1748 | "SYSASSERT", |
| 1749 | "FATAL_ERROR", |
| 1750 | "BAD_COMMAND", |
| 1751 | "HW_ERROR_TUNE_LOCK", |
| 1752 | "HW_ERROR_TEMPERATURE", |
| 1753 | "ILLEGAL_CHAN_FREQ", |
| 1754 | "VCC_NOT_STABLE", |
| 1755 | "FH_ERROR", |
| 1756 | "NMI_INTERRUPT_HOST", |
| 1757 | "NMI_INTERRUPT_ACTION_PT", |
| 1758 | "NMI_INTERRUPT_UNKNOWN", |
| 1759 | "UCODE_VERSION_MISMATCH", |
| 1760 | "HW_ERROR_ABS_LOCK", |
| 1761 | "HW_ERROR_CAL_LOCK_FAIL", |
| 1762 | "NMI_INTERRUPT_INST_ACTION_PT", |
| 1763 | "NMI_INTERRUPT_DATA_ACTION_PT", |
| 1764 | "NMI_TRM_HW_ER", |
| 1765 | "NMI_INTERRUPT_TRM", |
| 1766 | "NMI_INTERRUPT_BREAK_POINT", |
| 1767 | "DEBUG_0", |
| 1768 | "DEBUG_1", |
| 1769 | "DEBUG_2", |
| 1770 | "DEBUG_3", |
| 1771 | }; |
| 1772 | |
| 1773 | static struct { char *name; u8 num; } advanced_lookup[] = { |
| 1774 | { "NMI_INTERRUPT_WDG", 0x34 }, |
| 1775 | { "SYSASSERT", 0x35 }, |
| 1776 | { "UCODE_VERSION_MISMATCH", 0x37 }, |
| 1777 | { "BAD_COMMAND", 0x38 }, |
| 1778 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, |
| 1779 | { "FATAL_ERROR", 0x3D }, |
| 1780 | { "NMI_TRM_HW_ERR", 0x46 }, |
| 1781 | { "NMI_INTERRUPT_TRM", 0x4C }, |
| 1782 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, |
| 1783 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, |
| 1784 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, |
| 1785 | { "NMI_INTERRUPT_HOST", 0x66 }, |
| 1786 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, |
| 1787 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, |
| 1788 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, |
| 1789 | { "ADVANCED_SYSASSERT", 0 }, |
| 1790 | }; |
| 1791 | |
| 1792 | static const char *desc_lookup(u32 num) |
| 1793 | { |
| 1794 | int i; |
| 1795 | int max = ARRAY_SIZE(desc_lookup_text); |
| 1796 | |
| 1797 | if (num < max) |
| 1798 | return desc_lookup_text[num]; |
| 1799 | |
| 1800 | max = ARRAY_SIZE(advanced_lookup) - 1; |
| 1801 | for (i = 0; i < max; i++) { |
| 1802 | if (advanced_lookup[i].num == num) |
| 1803 | break; |
| 1804 | } |
| 1805 | return advanced_lookup[i].name; |
| 1806 | } |
| 1807 | |
| 1808 | #define ERROR_START_OFFSET (1 * sizeof(u32)) |
| 1809 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) |
| 1810 | |
| 1811 | static void iwl_dump_nic_error_log(struct iwl_priv *priv) |
| 1812 | { |
| 1813 | struct iwl_trans *trans = trans(priv); |
| 1814 | u32 base; |
| 1815 | struct iwl_error_event_table table; |
| 1816 | |
| 1817 | base = priv->device_pointers.error_event_table; |
Meenakshi Venkataraman | a42506e | 2012-03-15 13:26:57 -0700 | [diff] [blame] | 1818 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 1819 | if (!base) |
| 1820 | base = priv->shrd->fw->init_errlog_ptr; |
| 1821 | } else { |
| 1822 | if (!base) |
| 1823 | base = priv->shrd->fw->inst_errlog_ptr; |
| 1824 | } |
| 1825 | |
| 1826 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { |
| 1827 | IWL_ERR(priv, |
| 1828 | "Not valid error log pointer 0x%08X for %s uCode\n", |
| 1829 | base, |
Meenakshi Venkataraman | a42506e | 2012-03-15 13:26:57 -0700 | [diff] [blame] | 1830 | (priv->cur_ucode == IWL_UCODE_INIT) |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 1831 | ? "Init" : "RT"); |
| 1832 | return; |
| 1833 | } |
| 1834 | |
| 1835 | /*TODO: Update dbgfs with ISR error stats obtained below */ |
| 1836 | iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); |
| 1837 | |
| 1838 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { |
| 1839 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); |
| 1840 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", |
| 1841 | priv->shrd->status, table.valid); |
| 1842 | } |
| 1843 | |
| 1844 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, |
| 1845 | table.data1, table.data2, table.line, |
| 1846 | table.blink1, table.blink2, table.ilink1, |
| 1847 | table.ilink2, table.bcon_time, table.gp1, |
| 1848 | table.gp2, table.gp3, table.ucode_ver, |
| 1849 | table.hw_ver, table.brd_ver); |
| 1850 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, |
| 1851 | desc_lookup(table.error_id)); |
| 1852 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); |
| 1853 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); |
| 1854 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); |
| 1855 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); |
| 1856 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); |
| 1857 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); |
| 1858 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); |
| 1859 | IWL_ERR(priv, "0x%08X | line\n", table.line); |
| 1860 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); |
| 1861 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); |
| 1862 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); |
| 1863 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); |
| 1864 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); |
| 1865 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); |
| 1866 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); |
| 1867 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); |
| 1868 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); |
| 1869 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); |
| 1870 | IWL_ERR(priv, "0x%08X | isr0\n", table.isr0); |
| 1871 | IWL_ERR(priv, "0x%08X | isr1\n", table.isr1); |
| 1872 | IWL_ERR(priv, "0x%08X | isr2\n", table.isr2); |
| 1873 | IWL_ERR(priv, "0x%08X | isr3\n", table.isr3); |
| 1874 | IWL_ERR(priv, "0x%08X | isr4\n", table.isr4); |
| 1875 | IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref); |
| 1876 | IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event); |
| 1877 | IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control); |
| 1878 | IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration); |
| 1879 | IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); |
| 1880 | IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); |
| 1881 | IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); |
| 1882 | IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp); |
| 1883 | IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler); |
| 1884 | } |
| 1885 | |
| 1886 | #define EVENT_START_OFFSET (4 * sizeof(u32)) |
| 1887 | |
| 1888 | /** |
| 1889 | * iwl_print_event_log - Dump error event log to syslog |
| 1890 | * |
| 1891 | */ |
| 1892 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, |
| 1893 | u32 num_events, u32 mode, |
| 1894 | int pos, char **buf, size_t bufsz) |
| 1895 | { |
| 1896 | u32 i; |
| 1897 | u32 base; /* SRAM byte address of event log header */ |
| 1898 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ |
| 1899 | u32 ptr; /* SRAM byte address of log data */ |
| 1900 | u32 ev, time, data; /* event log data */ |
| 1901 | unsigned long reg_flags; |
| 1902 | |
| 1903 | struct iwl_trans *trans = trans(priv); |
| 1904 | |
| 1905 | if (num_events == 0) |
| 1906 | return pos; |
| 1907 | |
| 1908 | base = priv->device_pointers.log_event_table; |
Meenakshi Venkataraman | a42506e | 2012-03-15 13:26:57 -0700 | [diff] [blame] | 1909 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 1910 | if (!base) |
| 1911 | base = priv->shrd->fw->init_evtlog_ptr; |
| 1912 | } else { |
| 1913 | if (!base) |
| 1914 | base = priv->shrd->fw->inst_evtlog_ptr; |
| 1915 | } |
| 1916 | |
| 1917 | if (mode == 0) |
| 1918 | event_size = 2 * sizeof(u32); |
| 1919 | else |
| 1920 | event_size = 3 * sizeof(u32); |
| 1921 | |
| 1922 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); |
| 1923 | |
| 1924 | /* Make sure device is powered up for SRAM reads */ |
| 1925 | spin_lock_irqsave(&trans->reg_lock, reg_flags); |
| 1926 | if (unlikely(!iwl_grab_nic_access(trans))) |
| 1927 | goto out_unlock; |
| 1928 | |
| 1929 | /* Set starting address; reads will auto-increment */ |
| 1930 | iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); |
| 1931 | |
| 1932 | /* "time" is actually "data" for mode 0 (no timestamp). |
| 1933 | * place event id # at far right for easier visual parsing. */ |
| 1934 | for (i = 0; i < num_events; i++) { |
| 1935 | ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); |
| 1936 | time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); |
| 1937 | if (mode == 0) { |
| 1938 | /* data, ev */ |
| 1939 | if (bufsz) { |
| 1940 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1941 | "EVT_LOG:0x%08x:%04u\n", |
| 1942 | time, ev); |
| 1943 | } else { |
| 1944 | trace_iwlwifi_dev_ucode_event(trans->dev, 0, |
| 1945 | time, ev); |
| 1946 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", |
| 1947 | time, ev); |
| 1948 | } |
| 1949 | } else { |
| 1950 | data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); |
| 1951 | if (bufsz) { |
| 1952 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1953 | "EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1954 | time, data, ev); |
| 1955 | } else { |
| 1956 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1957 | time, data, ev); |
| 1958 | trace_iwlwifi_dev_ucode_event(trans->dev, time, |
| 1959 | data, ev); |
| 1960 | } |
| 1961 | } |
| 1962 | } |
| 1963 | |
| 1964 | /* Allow device to power down */ |
| 1965 | iwl_release_nic_access(trans); |
| 1966 | out_unlock: |
| 1967 | spin_unlock_irqrestore(&trans->reg_lock, reg_flags); |
| 1968 | return pos; |
| 1969 | } |
| 1970 | |
| 1971 | /** |
| 1972 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog |
| 1973 | */ |
| 1974 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, |
| 1975 | u32 num_wraps, u32 next_entry, |
| 1976 | u32 size, u32 mode, |
| 1977 | int pos, char **buf, size_t bufsz) |
| 1978 | { |
| 1979 | /* |
| 1980 | * display the newest DEFAULT_LOG_ENTRIES entries |
| 1981 | * i.e the entries just before the next ont that uCode would fill. |
| 1982 | */ |
| 1983 | if (num_wraps) { |
| 1984 | if (next_entry < size) { |
| 1985 | pos = iwl_print_event_log(priv, |
| 1986 | capacity - (size - next_entry), |
| 1987 | size - next_entry, mode, |
| 1988 | pos, buf, bufsz); |
| 1989 | pos = iwl_print_event_log(priv, 0, |
| 1990 | next_entry, mode, |
| 1991 | pos, buf, bufsz); |
| 1992 | } else |
| 1993 | pos = iwl_print_event_log(priv, next_entry - size, |
| 1994 | size, mode, pos, buf, bufsz); |
| 1995 | } else { |
| 1996 | if (next_entry < size) { |
| 1997 | pos = iwl_print_event_log(priv, 0, next_entry, |
| 1998 | mode, pos, buf, bufsz); |
| 1999 | } else { |
| 2000 | pos = iwl_print_event_log(priv, next_entry - size, |
| 2001 | size, mode, pos, buf, bufsz); |
| 2002 | } |
| 2003 | } |
| 2004 | return pos; |
| 2005 | } |
| 2006 | |
| 2007 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) |
| 2008 | |
| 2009 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, |
| 2010 | char **buf, bool display) |
| 2011 | { |
| 2012 | u32 base; /* SRAM byte address of event log header */ |
| 2013 | u32 capacity; /* event log capacity in # entries */ |
| 2014 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 2015 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 2016 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 2017 | u32 size; /* # entries that we'll print */ |
| 2018 | u32 logsize; |
| 2019 | int pos = 0; |
| 2020 | size_t bufsz = 0; |
| 2021 | struct iwl_trans *trans = trans(priv); |
| 2022 | |
| 2023 | base = priv->device_pointers.log_event_table; |
Meenakshi Venkataraman | a42506e | 2012-03-15 13:26:57 -0700 | [diff] [blame] | 2024 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 2025 | logsize = priv->shrd->fw->init_evtlog_size; |
| 2026 | if (!base) |
| 2027 | base = priv->shrd->fw->init_evtlog_ptr; |
| 2028 | } else { |
| 2029 | logsize = priv->shrd->fw->inst_evtlog_size; |
| 2030 | if (!base) |
| 2031 | base = priv->shrd->fw->inst_evtlog_ptr; |
| 2032 | } |
| 2033 | |
| 2034 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { |
| 2035 | IWL_ERR(priv, |
| 2036 | "Invalid event log pointer 0x%08X for %s uCode\n", |
| 2037 | base, |
Meenakshi Venkataraman | a42506e | 2012-03-15 13:26:57 -0700 | [diff] [blame] | 2038 | (priv->cur_ucode == IWL_UCODE_INIT) |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 2039 | ? "Init" : "RT"); |
| 2040 | return -EINVAL; |
| 2041 | } |
| 2042 | |
| 2043 | /* event log header */ |
| 2044 | capacity = iwl_read_targ_mem(trans, base); |
| 2045 | mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); |
| 2046 | num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); |
| 2047 | next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); |
| 2048 | |
| 2049 | if (capacity > logsize) { |
| 2050 | IWL_ERR(priv, "Log capacity %d is bogus, limit to %d " |
| 2051 | "entries\n", capacity, logsize); |
| 2052 | capacity = logsize; |
| 2053 | } |
| 2054 | |
| 2055 | if (next_entry > logsize) { |
| 2056 | IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", |
| 2057 | next_entry, logsize); |
| 2058 | next_entry = logsize; |
| 2059 | } |
| 2060 | |
| 2061 | size = num_wraps ? capacity : next_entry; |
| 2062 | |
| 2063 | /* bail out if nothing in log */ |
| 2064 | if (size == 0) { |
| 2065 | IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); |
| 2066 | return pos; |
| 2067 | } |
| 2068 | |
| 2069 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 2070 | if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) |
| 2071 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 2072 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
| 2073 | #else |
| 2074 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 2075 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
| 2076 | #endif |
| 2077 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", |
| 2078 | size); |
| 2079 | |
| 2080 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 2081 | if (display) { |
| 2082 | if (full_log) |
| 2083 | bufsz = capacity * 48; |
| 2084 | else |
| 2085 | bufsz = size * 48; |
| 2086 | *buf = kmalloc(bufsz, GFP_KERNEL); |
| 2087 | if (!*buf) |
| 2088 | return -ENOMEM; |
| 2089 | } |
| 2090 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { |
| 2091 | /* |
| 2092 | * if uCode has wrapped back to top of log, |
| 2093 | * start at the oldest entry, |
| 2094 | * i.e the next one that uCode would fill. |
| 2095 | */ |
| 2096 | if (num_wraps) |
| 2097 | pos = iwl_print_event_log(priv, next_entry, |
| 2098 | capacity - next_entry, mode, |
| 2099 | pos, buf, bufsz); |
| 2100 | /* (then/else) start at top of log */ |
| 2101 | pos = iwl_print_event_log(priv, 0, |
| 2102 | next_entry, mode, pos, buf, bufsz); |
| 2103 | } else |
| 2104 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 2105 | next_entry, size, mode, |
| 2106 | pos, buf, bufsz); |
| 2107 | #else |
| 2108 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 2109 | next_entry, size, mode, |
| 2110 | pos, buf, bufsz); |
| 2111 | #endif |
| 2112 | return pos; |
| 2113 | } |
| 2114 | |
Meenakshi Venkataraman | 19469f4 | 2012-03-15 13:26:55 -0700 | [diff] [blame] | 2115 | static void iwl_nic_error(struct iwl_op_mode *op_mode) |
| 2116 | { |
| 2117 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 2118 | |
Meenakshi Venkataraman | 2fdfc47 | 2012-03-15 13:26:56 -0700 | [diff] [blame] | 2119 | IWL_ERR(priv, "Loaded firmware version: %s\n", |
| 2120 | priv->shrd->fw->fw_version); |
| 2121 | |
| 2122 | iwl_dump_nic_error_log(priv); |
| 2123 | iwl_dump_nic_event_log(priv, false, NULL, false); |
| 2124 | |
Meenakshi Venkataraman | 19469f4 | 2012-03-15 13:26:55 -0700 | [diff] [blame] | 2125 | iwlagn_fw_error(priv, false); |
| 2126 | } |
| 2127 | |
Johannes Berg | 0e78184 | 2012-03-06 13:30:49 -0800 | [diff] [blame] | 2128 | static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) |
| 2129 | { |
| 2130 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 2131 | |
| 2132 | if (!iwl_check_for_ct_kill(priv)) { |
| 2133 | IWL_ERR(priv, "Restarting adapter queue is full\n"); |
Meenakshi Venkataraman | b7e21bf | 2012-03-15 13:26:54 -0700 | [diff] [blame] | 2134 | iwlagn_fw_error(priv, false); |
Johannes Berg | 0e78184 | 2012-03-06 13:30:49 -0800 | [diff] [blame] | 2135 | } |
| 2136 | } |
| 2137 | |
Johannes Berg | ecdb975 | 2012-03-06 13:31:03 -0800 | [diff] [blame] | 2138 | static void iwl_nic_config(struct iwl_op_mode *op_mode) |
| 2139 | { |
| 2140 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
| 2141 | |
| 2142 | cfg(priv)->lib->nic_config(priv); |
| 2143 | } |
| 2144 | |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 2145 | static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2146 | { |
| 2147 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 2148 | int ac = priv->queue_to_ac[queue]; |
| 2149 | |
| 2150 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) |
| 2151 | return; |
| 2152 | |
| 2153 | if (atomic_inc_return(&priv->ac_stop_count[ac]) > 1) { |
| 2154 | IWL_DEBUG_TX_QUEUES(priv, |
| 2155 | "queue %d (AC %d) already stopped\n", |
| 2156 | queue, ac); |
| 2157 | return; |
| 2158 | } |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2159 | |
| 2160 | set_bit(ac, &priv->transport_queue_stop); |
| 2161 | ieee80211_stop_queue(priv->hw, ac); |
| 2162 | } |
| 2163 | |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 2164 | static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2165 | { |
| 2166 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
Johannes Berg | 9eae88f | 2012-03-15 13:26:52 -0700 | [diff] [blame] | 2167 | int ac = priv->queue_to_ac[queue]; |
| 2168 | |
| 2169 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) |
| 2170 | return; |
| 2171 | |
| 2172 | if (atomic_dec_return(&priv->ac_stop_count[ac]) > 0) { |
| 2173 | IWL_DEBUG_TX_QUEUES(priv, |
| 2174 | "queue %d (AC %d) already awake\n", |
| 2175 | queue, ac); |
| 2176 | return; |
| 2177 | } |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2178 | |
| 2179 | clear_bit(ac, &priv->transport_queue_stop); |
| 2180 | |
| 2181 | if (!priv->passive_no_rx) |
| 2182 | ieee80211_wake_queue(priv->hw, ac); |
| 2183 | } |
| 2184 | |
| 2185 | void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) |
| 2186 | { |
| 2187 | int ac; |
| 2188 | |
| 2189 | if (!priv->passive_no_rx) |
| 2190 | return; |
| 2191 | |
| 2192 | for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { |
Emmanuel Grumbach | 3251715 | 2012-03-07 09:52:34 -0800 | [diff] [blame] | 2193 | if (!test_bit(ac, &priv->transport_queue_stop)) { |
| 2194 | IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2195 | ieee80211_wake_queue(priv->hw, ac); |
Emmanuel Grumbach | 3251715 | 2012-03-07 09:52:34 -0800 | [diff] [blame] | 2196 | } else { |
| 2197 | IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); |
| 2198 | } |
Johannes Berg | e755f88 | 2012-03-07 09:52:16 -0800 | [diff] [blame] | 2199 | } |
| 2200 | |
| 2201 | priv->passive_no_rx = false; |
| 2202 | } |
| 2203 | |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2204 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
| 2205 | .start = iwl_op_mode_dvm_start, |
| 2206 | .stop = iwl_op_mode_dvm_stop, |
Emmanuel Grumbach | db70f29 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2207 | .rx = iwl_rx_dispatch, |
Emmanuel Grumbach | 02e3835 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2208 | .queue_full = iwl_stop_sw_queue, |
| 2209 | .queue_not_full = iwl_wake_sw_queue, |
Emmanuel Grumbach | 7120d98 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2210 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
Emmanuel Grumbach | ed277c9 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2211 | .free_skb = iwl_free_skb, |
Emmanuel Grumbach | bcb9321 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2212 | .nic_error = iwl_nic_error, |
Johannes Berg | 0e78184 | 2012-03-06 13:30:49 -0800 | [diff] [blame] | 2213 | .cmd_queue_full = iwl_cmd_queue_full, |
Johannes Berg | ecdb975 | 2012-03-06 13:31:03 -0800 | [diff] [blame] | 2214 | .nic_config = iwl_nic_config, |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 2215 | }; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2216 | |
| 2217 | /***************************************************************************** |
| 2218 | * |
| 2219 | * driver and module entry point |
| 2220 | * |
| 2221 | *****************************************************************************/ |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2222 | |
| 2223 | struct kmem_cache *iwl_tx_cmd_pool; |
| 2224 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2225 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2226 | { |
| 2227 | |
| 2228 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 2229 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 2230 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 2231 | |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2232 | iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", |
| 2233 | sizeof(struct iwl_device_cmd), |
| 2234 | sizeof(void *), 0, NULL); |
| 2235 | if (!iwl_tx_cmd_pool) |
| 2236 | return -ENOMEM; |
| 2237 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 2238 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 2239 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 2240 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2241 | goto error_rc_register; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 2242 | } |
| 2243 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 2244 | ret = iwl_pci_register_driver(); |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 2245 | if (ret) |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2246 | goto error_pci_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2247 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 2248 | |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2249 | error_pci_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 2250 | iwlagn_rate_control_unregister(); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2251 | error_rc_register: |
| 2252 | kmem_cache_destroy(iwl_tx_cmd_pool); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 2253 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2254 | } |
| 2255 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2256 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2257 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 2258 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 2259 | iwlagn_rate_control_unregister(); |
Stanislaw Gruszka | 354928dd | 2012-03-07 09:52:33 -0800 | [diff] [blame] | 2260 | kmem_cache_destroy(iwl_tx_cmd_pool); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2261 | } |
| 2262 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2263 | module_exit(iwl_exit); |
| 2264 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 2265 | |
| 2266 | #ifdef CONFIG_IWLWIFI_DEBUG |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 2267 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
| 2268 | S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 2269 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 2270 | #endif |
| 2271 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 2272 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 2273 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Johannes Berg | 7428994 | 2011-12-13 00:07:40 -0800 | [diff] [blame] | 2274 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); |
| 2275 | MODULE_PARM_DESC(11n_disable, |
| 2276 | "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] | 2277 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 2278 | int, S_IRUGO); |
| 2279 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 2280 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 2281 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2282 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 2283 | module_param_named(ucode_alternative, |
| 2284 | iwlagn_mod_params.wanted_ucode_alternative, |
| 2285 | int, S_IRUGO); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2286 | MODULE_PARM_DESC(ucode_alternative, |
| 2287 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2288 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 2289 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
| 2290 | int, S_IRUGO); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2291 | MODULE_PARM_DESC(antenna_coupling, |
| 2292 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 2293 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 2294 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
| 2295 | bool, S_IRUGO); |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 2296 | MODULE_PARM_DESC(bt_ch_inhibition, |
Wey-Yi Guy | fee84f0d | 2011-08-25 23:10:57 -0700 | [diff] [blame] | 2297 | "Enable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 2298 | |
| 2299 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 2300 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 2301 | |
| 2302 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 2303 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 2304 | |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 2305 | 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] | 2306 | MODULE_PARM_DESC(wd_disable, |
Wey-Yi Guy | 9995ffe | 2011-12-02 08:19:19 -0800 | [diff] [blame] | 2307 | "Disable stuck queue watchdog timer 0=system default, " |
| 2308 | "1=disable, 2=enable (default: 0)"); |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 2309 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 2310 | /* |
| 2311 | * set bt_coex_active to true, uCode will do kill/defer |
| 2312 | * every time the priority line is asserted (BT is sending signals on the |
| 2313 | * priority line in the PCIx). |
| 2314 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 2315 | * perform the normal operation |
| 2316 | * |
| 2317 | * User might experience transmit issue on some platform due to WiFi/BT |
| 2318 | * co-exist problem. The possible behaviors are: |
| 2319 | * Able to scan and finding all the available AP |
| 2320 | * Not able to associate with any AP |
| 2321 | * On those platforms, WiFi communication can be restored by set |
| 2322 | * "bt_coex_active" module parameter to "false" |
| 2323 | * |
| 2324 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 2325 | */ |
| 2326 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 2327 | bool, S_IRUGO); |
| 2328 | 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] | 2329 | |
| 2330 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 2331 | MODULE_PARM_DESC(led_mode, "0=system default, " |
Wey-Yi Guy | 42602dd4 | 2012-01-19 12:16:46 -0800 | [diff] [blame] | 2332 | "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] | 2333 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 2334 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 2335 | bool, S_IRUGO); |
| 2336 | MODULE_PARM_DESC(power_save, |
| 2337 | "enable WiFi power management (default: disable)"); |
| 2338 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 2339 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 2340 | int, S_IRUGO); |
| 2341 | MODULE_PARM_DESC(power_level, |
| 2342 | "default power save level (range from 1 - 5, default: 1)"); |
| 2343 | |
Wey-Yi Guy | dd5b6d0 | 2011-08-25 23:10:55 -0700 | [diff] [blame] | 2344 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
| 2345 | bool, S_IRUGO); |
| 2346 | MODULE_PARM_DESC(auto_agg, |
| 2347 | "enable agg w/o check traffic load (default: enable)"); |
| 2348 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 2349 | /* |
| 2350 | * For now, keep using power level 1 instead of automatically |
| 2351 | * adjusting ... |
| 2352 | */ |
| 2353 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 2354 | bool, S_IRUGO); |
| 2355 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 2356 | "don't automatically adjust sleep level " |
| 2357 | "according to maximum network latency (default: true)"); |