Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Wey-Yi Guy | 901069c | 2011-04-05 09:42:00 -0700 | [diff] [blame] | 3 | * Copyright(c) 2003 - 2011 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/dma-mapping.h> |
| 34 | #include <linux/delay.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 35 | #include <linux/sched.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 36 | #include <linux/skbuff.h> |
| 37 | #include <linux/netdevice.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 38 | #include <linux/firmware.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 39 | #include <linux/etherdevice.h> |
| 40 | #include <linux/if_arp.h> |
| 41 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 42 | #include <net/mac80211.h> |
| 43 | |
| 44 | #include <asm/div64.h> |
| 45 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 46 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 47 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 48 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 49 | #include "iwl-io.h" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 50 | #include "iwl-helpers.h" |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 51 | #include "iwl-sta.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 52 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 53 | #include "iwl-agn.h" |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 54 | #include "iwl-shared.h" |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 55 | #include "iwl-bus.h" |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 56 | #include "iwl-trans.h" |
Christoph Hellwig | 416e143 | 2007-10-25 17:15:49 +0800 | [diff] [blame] | 57 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 58 | /****************************************************************************** |
| 59 | * |
| 60 | * module boiler plate |
| 61 | * |
| 62 | ******************************************************************************/ |
| 63 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 64 | /* |
| 65 | * module name, copyright, version, etc. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 66 | */ |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 67 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 68 | |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 69 | #ifdef CONFIG_IWLWIFI_DEBUG |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 70 | #define VD "d" |
| 71 | #else |
| 72 | #define VD |
| 73 | #endif |
| 74 | |
Reinette Chatre | 81963d6 | 2010-01-22 14:22:57 -0800 | [diff] [blame] | 75 | #define DRV_VERSION IWLWIFI_VERSION VD |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 76 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 77 | |
| 78 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 79 | MODULE_VERSION(DRV_VERSION); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 80 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 81 | MODULE_LICENSE("GPL"); |
| 82 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 83 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 84 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 85 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 86 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 87 | for_each_context(priv, ctx) { |
| 88 | iwlagn_set_rxon_chain(priv, ctx); |
| 89 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 90 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 91 | } |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 92 | } |
| 93 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 94 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 95 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 96 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 97 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 98 | { |
| 99 | u16 tim_idx; |
| 100 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 101 | |
| 102 | /* |
| 103 | * The index is relative to frame start but we start looking at the |
| 104 | * variable-length part of the beacon. |
| 105 | */ |
| 106 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 107 | |
| 108 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 109 | while ((tim_idx < (frame_size - 2)) && |
| 110 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 111 | tim_idx += beacon[tim_idx+1] + 2; |
| 112 | |
| 113 | /* If TIM field was found, set variables */ |
| 114 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 115 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 116 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 117 | } else |
| 118 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 119 | } |
| 120 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 121 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 122 | { |
| 123 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 124 | struct iwl_host_cmd cmd = { |
| 125 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 126 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 127 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 128 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 129 | u32 frame_size; |
| 130 | u32 rate_flags; |
| 131 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 132 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 133 | /* |
| 134 | * We have to set up the TX command, the TX Beacon command, and the |
| 135 | * beacon contents. |
| 136 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 137 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 138 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 139 | |
| 140 | if (!priv->beacon_ctx) { |
| 141 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 142 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 143 | } |
| 144 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 145 | if (WARN_ON(!priv->beacon_skb)) |
| 146 | return -EINVAL; |
| 147 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 148 | /* Allocate beacon command */ |
| 149 | if (!priv->beacon_cmd) |
| 150 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 151 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 152 | if (!tx_beacon_cmd) |
| 153 | return -ENOMEM; |
| 154 | |
| 155 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 156 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 157 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 158 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 159 | 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] | 160 | 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] | 161 | 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] | 162 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 163 | |
| 164 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 165 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 166 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 167 | |
| 168 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 169 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 170 | |
| 171 | /* |
| 172 | * Let's set up the rate at least somewhat correctly; |
| 173 | * it will currently not actually be used by the uCode, |
| 174 | * it uses the broadcast station's rate instead. |
| 175 | */ |
| 176 | if (info->control.rates[0].idx < 0 || |
| 177 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 178 | rate = 0; |
| 179 | else |
| 180 | rate = info->control.rates[0].idx; |
| 181 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 182 | 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] | 183 | hw_params(priv).valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 184 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 185 | |
| 186 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 187 | if (info->band == IEEE80211_BAND_5GHZ) |
| 188 | rate += IWL_FIRST_OFDM_RATE; |
| 189 | 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] | 190 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 191 | |
| 192 | tx_beacon_cmd->tx.rate_n_flags = |
| 193 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 194 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 195 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 196 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 197 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 198 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 199 | cmd.len[1] = frame_size; |
| 200 | cmd.data[1] = priv->beacon_skb->data; |
| 201 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 202 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 203 | return iwl_trans_send_cmd(trans(priv), &cmd); |
Samuel Ortiz | a8e74e27 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 204 | } |
| 205 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 206 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 207 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 208 | struct iwl_priv *priv = |
| 209 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 210 | struct sk_buff *beacon; |
| 211 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 212 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 213 | if (!priv->beacon_ctx) { |
| 214 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 215 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 216 | } |
| 217 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 218 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 219 | /* |
| 220 | * The ucode will send beacon notifications even in |
| 221 | * IBSS mode, but we don't want to process them. But |
| 222 | * we need to defer the type check to here due to |
| 223 | * requiring locking around the beacon_ctx access. |
| 224 | */ |
| 225 | goto out; |
| 226 | } |
| 227 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 228 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 229 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 230 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 231 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 232 | goto out; |
| 233 | } |
| 234 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 235 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 236 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 237 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 238 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 239 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 240 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 241 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 242 | mutex_unlock(&priv->shrd->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 243 | } |
| 244 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 245 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 246 | { |
| 247 | struct iwl_priv *priv = |
| 248 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 249 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 250 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 251 | return; |
| 252 | |
| 253 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 254 | if (!iwl_is_ready_rf(priv->shrd)) |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 255 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 256 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 257 | } |
| 258 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 259 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 260 | { |
| 261 | struct iwl_priv *priv = |
| 262 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 263 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 264 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 265 | mutex_lock(&priv->shrd->mutex); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 266 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 267 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 268 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 269 | |
| 270 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 271 | if (!iwl_is_ready_rf(priv->shrd)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 272 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 273 | |
| 274 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 275 | priv->bt_full_concurrent ? |
| 276 | "full concurrency" : "3-wire"); |
| 277 | |
| 278 | /* |
| 279 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 280 | * to avoid 3-wire collisions |
| 281 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 282 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 283 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 284 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 285 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 286 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 287 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 288 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 289 | mutex_unlock(&priv->shrd->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 290 | } |
| 291 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 292 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 293 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 294 | * |
| 295 | * This callback is provided in order to send a statistics request. |
| 296 | * |
| 297 | * This timer function is continually reset to execute within |
| 298 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 299 | * was received. We need to ensure we receive the statistics in order |
| 300 | * to update the temperature used for calibrating the TXPOWER. |
| 301 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 302 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 303 | { |
| 304 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 305 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 306 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 307 | return; |
| 308 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 309 | /* dont send host command if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 310 | if (!iwl_is_ready_rf(priv->shrd)) |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 311 | return; |
| 312 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 313 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 314 | } |
| 315 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 316 | |
| 317 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 318 | u32 start_idx, u32 num_events, |
| 319 | u32 mode) |
| 320 | { |
| 321 | u32 i; |
| 322 | u32 ptr; /* SRAM byte address of log data */ |
| 323 | u32 ev, time, data; /* event log data */ |
| 324 | unsigned long reg_flags; |
| 325 | |
| 326 | if (mode == 0) |
| 327 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 328 | else |
| 329 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 330 | |
| 331 | /* Make sure device is powered up for SRAM reads */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 332 | spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); |
| 333 | if (iwl_grab_nic_access(bus(priv))) { |
| 334 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 335 | return; |
| 336 | } |
| 337 | |
| 338 | /* Set starting address; reads will auto-increment */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 339 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 340 | rmb(); |
| 341 | |
| 342 | /* |
| 343 | * "time" is actually "data" for mode 0 (no timestamp). |
| 344 | * place event id # at far right for easier visual parsing. |
| 345 | */ |
| 346 | for (i = 0; i < num_events; i++) { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 347 | ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
| 348 | time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 349 | if (mode == 0) { |
| 350 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 351 | 0, time, ev); |
| 352 | } else { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 353 | data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 354 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 355 | time, data, ev); |
| 356 | } |
| 357 | } |
| 358 | /* Allow device to power down */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 359 | iwl_release_nic_access(bus(priv)); |
| 360 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 361 | } |
| 362 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 363 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 364 | { |
| 365 | u32 capacity; /* event log capacity in # entries */ |
| 366 | u32 base; /* SRAM byte address of event log header */ |
| 367 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 368 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 369 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 370 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 371 | base = priv->device_pointers.error_event_table; |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 372 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 373 | capacity = iwl_read_targ_mem(bus(priv), base); |
| 374 | num_wraps = iwl_read_targ_mem(bus(priv), |
| 375 | base + (2 * sizeof(u32))); |
| 376 | mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); |
| 377 | next_entry = iwl_read_targ_mem(bus(priv), |
| 378 | base + (3 * sizeof(u32))); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 379 | } else |
| 380 | return; |
| 381 | |
| 382 | if (num_wraps == priv->event_log.num_wraps) { |
| 383 | iwl_print_cont_event_trace(priv, |
| 384 | base, priv->event_log.next_entry, |
| 385 | next_entry - priv->event_log.next_entry, |
| 386 | mode); |
| 387 | priv->event_log.non_wraps_count++; |
| 388 | } else { |
| 389 | if ((num_wraps - priv->event_log.num_wraps) > 1) |
| 390 | priv->event_log.wraps_more_count++; |
| 391 | else |
| 392 | priv->event_log.wraps_once_count++; |
| 393 | trace_iwlwifi_dev_ucode_wrap_event(priv, |
| 394 | num_wraps - priv->event_log.num_wraps, |
| 395 | next_entry, priv->event_log.next_entry); |
| 396 | if (next_entry < priv->event_log.next_entry) { |
| 397 | iwl_print_cont_event_trace(priv, base, |
| 398 | priv->event_log.next_entry, |
| 399 | capacity - priv->event_log.next_entry, |
| 400 | mode); |
| 401 | |
| 402 | iwl_print_cont_event_trace(priv, base, 0, |
| 403 | next_entry, mode); |
| 404 | } else { |
| 405 | iwl_print_cont_event_trace(priv, base, |
| 406 | next_entry, capacity - next_entry, |
| 407 | mode); |
| 408 | |
| 409 | iwl_print_cont_event_trace(priv, base, 0, |
| 410 | next_entry, mode); |
| 411 | } |
| 412 | } |
| 413 | priv->event_log.num_wraps = num_wraps; |
| 414 | priv->event_log.next_entry = next_entry; |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 419 | * |
| 420 | * The timer is continually set to execute every |
| 421 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 422 | * this function is to perform continuous uCode event logging operation |
| 423 | * if enabled |
| 424 | */ |
| 425 | static void iwl_bg_ucode_trace(unsigned long data) |
| 426 | { |
| 427 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 428 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 429 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 430 | return; |
| 431 | |
| 432 | if (priv->event_log.ucode_trace) { |
| 433 | iwl_continuous_event_trace(priv); |
| 434 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 435 | mod_timer(&priv->ucode_trace, |
| 436 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 437 | } |
| 438 | } |
| 439 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 440 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 441 | { |
| 442 | struct iwl_priv *priv = |
| 443 | container_of(work, struct iwl_priv, tx_flush); |
| 444 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 445 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 446 | return; |
| 447 | |
| 448 | /* do nothing if rf-kill is on */ |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 449 | if (!iwl_is_ready_rf(priv->shrd)) |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 450 | return; |
| 451 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 452 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 453 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 454 | } |
| 455 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 456 | /***************************************************************************** |
| 457 | * |
| 458 | * sysfs attributes |
| 459 | * |
| 460 | *****************************************************************************/ |
| 461 | |
| 462 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 463 | |
| 464 | /* |
| 465 | * The following adds a new attribute to the sysfs representation |
| 466 | * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/) |
| 467 | * used for controlling the debug level. |
| 468 | * |
| 469 | * See the level definitions in iwl for details. |
| 470 | * |
| 471 | * The debug_level being managed using sysfs below is a per device debug |
| 472 | * level that is used instead of the global debug level if it (the per |
| 473 | * device debug level) is set. |
| 474 | */ |
| 475 | static ssize_t show_debug_level(struct device *d, |
| 476 | struct device_attribute *attr, char *buf) |
| 477 | { |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 478 | struct iwl_shared *shrd = dev_get_drvdata(d); |
Emmanuel Grumbach | 8f470ce | 2011-08-25 23:10:38 -0700 | [diff] [blame] | 479 | return sprintf(buf, "0x%08X\n", iwl_get_debug_level(shrd)); |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 480 | } |
| 481 | static ssize_t store_debug_level(struct device *d, |
| 482 | struct device_attribute *attr, |
| 483 | const char *buf, size_t count) |
| 484 | { |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 485 | struct iwl_shared *shrd = dev_get_drvdata(d); |
| 486 | struct iwl_priv *priv = shrd->priv; |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 487 | unsigned long val; |
| 488 | int ret; |
| 489 | |
| 490 | ret = strict_strtoul(buf, 0, &val); |
| 491 | if (ret) |
| 492 | IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf); |
| 493 | else { |
Emmanuel Grumbach | 8f470ce | 2011-08-25 23:10:38 -0700 | [diff] [blame] | 494 | shrd->dbg_level_dev = val; |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 495 | if (iwl_alloc_traffic_mem(priv)) |
Emmanuel Grumbach | 8f470ce | 2011-08-25 23:10:38 -0700 | [diff] [blame] | 496 | IWL_ERR(shrd->priv, |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 497 | "Not enough memory to generate traffic log\n"); |
| 498 | } |
| 499 | return strnlen(buf, count); |
| 500 | } |
| 501 | |
| 502 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, |
| 503 | show_debug_level, store_debug_level); |
| 504 | |
| 505 | |
| 506 | #endif /* CONFIG_IWLWIFI_DEBUG */ |
| 507 | |
| 508 | |
| 509 | static ssize_t show_temperature(struct device *d, |
| 510 | struct device_attribute *attr, char *buf) |
| 511 | { |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 512 | struct iwl_shared *shrd = dev_get_drvdata(d); |
| 513 | struct iwl_priv *priv = shrd->priv; |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 514 | |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 515 | if (!iwl_is_alive(priv->shrd)) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 516 | return -EAGAIN; |
| 517 | |
| 518 | return sprintf(buf, "%d\n", priv->temperature); |
| 519 | } |
| 520 | |
| 521 | static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); |
| 522 | |
| 523 | static ssize_t show_tx_power(struct device *d, |
| 524 | struct device_attribute *attr, char *buf) |
| 525 | { |
| 526 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 527 | |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 528 | if (!iwl_is_ready_rf(priv->shrd)) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 529 | return sprintf(buf, "off\n"); |
| 530 | else |
| 531 | return sprintf(buf, "%d\n", priv->tx_power_user_lmt); |
| 532 | } |
| 533 | |
| 534 | static ssize_t store_tx_power(struct device *d, |
| 535 | struct device_attribute *attr, |
| 536 | const char *buf, size_t count) |
| 537 | { |
| 538 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 539 | unsigned long val; |
| 540 | int ret; |
| 541 | |
| 542 | ret = strict_strtoul(buf, 10, &val); |
| 543 | if (ret) |
| 544 | IWL_INFO(priv, "%s is not in decimal form.\n", buf); |
| 545 | else { |
| 546 | ret = iwl_set_tx_power(priv, val, false); |
| 547 | if (ret) |
| 548 | IWL_ERR(priv, "failed setting tx power (0x%d).\n", |
| 549 | ret); |
| 550 | else |
| 551 | ret = count; |
| 552 | } |
| 553 | return ret; |
| 554 | } |
| 555 | |
| 556 | static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); |
| 557 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 558 | static struct attribute *iwl_sysfs_entries[] = { |
| 559 | &dev_attr_temperature.attr, |
| 560 | &dev_attr_tx_power.attr, |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 561 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 562 | &dev_attr_debug_level.attr, |
| 563 | #endif |
| 564 | NULL |
| 565 | }; |
| 566 | |
| 567 | static struct attribute_group iwl_attribute_group = { |
| 568 | .name = NULL, /* put in device directory */ |
| 569 | .attrs = iwl_sysfs_entries, |
| 570 | }; |
| 571 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 572 | /****************************************************************************** |
| 573 | * |
| 574 | * uCode download functions |
| 575 | * |
| 576 | ******************************************************************************/ |
| 577 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 578 | static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 579 | { |
| 580 | if (desc->v_addr) |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 581 | dma_free_coherent(priv->bus->dev, desc->len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 582 | desc->v_addr, desc->p_addr); |
| 583 | desc->v_addr = NULL; |
| 584 | desc->len = 0; |
| 585 | } |
| 586 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 587 | static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 588 | { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 589 | iwl_free_fw_desc(priv, &img->code); |
| 590 | iwl_free_fw_desc(priv, &img->data); |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 591 | } |
| 592 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 593 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
| 594 | { |
| 595 | iwl_free_fw_img(priv, &priv->ucode_rt); |
| 596 | iwl_free_fw_img(priv, &priv->ucode_init); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 597 | iwl_free_fw_img(priv, &priv->ucode_wowlan); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 601 | const void *data, size_t len) |
| 602 | { |
| 603 | if (!len) { |
| 604 | desc->v_addr = NULL; |
| 605 | return -EINVAL; |
| 606 | } |
| 607 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 608 | desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 609 | &desc->p_addr, GFP_KERNEL); |
| 610 | if (!desc->v_addr) |
| 611 | return -ENOMEM; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 612 | |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 613 | desc->len = len; |
| 614 | memcpy(desc->v_addr, data, len); |
| 615 | return 0; |
| 616 | } |
| 617 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 618 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
| 619 | { |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 620 | int i; |
| 621 | |
| 622 | /* |
| 623 | * The default context is always valid, |
| 624 | * the PAN context depends on uCode. |
| 625 | */ |
| 626 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
| 627 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
| 628 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
| 629 | |
| 630 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 631 | priv->contexts[i].ctxid = i; |
| 632 | |
| 633 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 634 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
| 635 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 636 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 637 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
| 638 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
| 639 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
| 640 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 641 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 642 | BIT(NL80211_IFTYPE_ADHOC); |
| 643 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 644 | BIT(NL80211_IFTYPE_STATION); |
| 645 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
| 646 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 647 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 648 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
| 649 | |
| 650 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
| 651 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 652 | REPLY_WIPAN_RXON_TIMING; |
| 653 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 654 | REPLY_WIPAN_RXON_ASSOC; |
| 655 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 656 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 657 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 658 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 659 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 660 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 661 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 662 | |
| 663 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) |
| 664 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 665 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 666 | BIT(NL80211_IFTYPE_P2P_GO); |
| 667 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 668 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 669 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 670 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
| 671 | |
| 672 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 673 | } |
| 674 | |
| 675 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 676 | struct iwlagn_ucode_capabilities { |
| 677 | u32 max_probe_length; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 678 | u32 standard_phy_calibration_size; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 679 | u32 flags; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 680 | }; |
Ron Rindjunsky | edcdf8b | 2008-05-15 13:53:55 +0800 | [diff] [blame] | 681 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 682 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 683 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 684 | struct iwlagn_ucode_capabilities *capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 685 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 686 | #define UCODE_EXPERIMENTAL_INDEX 100 |
| 687 | #define UCODE_EXPERIMENTAL_TAG "exp" |
| 688 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 689 | static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 690 | { |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 691 | const char *name_pre = priv->cfg->fw_name_pre; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 692 | char tag[8]; |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 693 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 694 | if (first) { |
| 695 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE |
| 696 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
| 697 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
| 698 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
| 699 | #endif |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 700 | priv->fw_index = priv->cfg->ucode_api_max; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 701 | sprintf(tag, "%d", priv->fw_index); |
| 702 | } else { |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 703 | priv->fw_index--; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 704 | sprintf(tag, "%d", priv->fw_index); |
| 705 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 706 | |
| 707 | if (priv->fw_index < priv->cfg->ucode_api_min) { |
| 708 | IWL_ERR(priv, "no suitable firmware found!\n"); |
| 709 | return -ENOENT; |
| 710 | } |
| 711 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 712 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 713 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 714 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
| 715 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 716 | ? "EXPERIMENTAL " : "", |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 717 | priv->firmware_name); |
| 718 | |
| 719 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 720 | priv->bus->dev, |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 721 | GFP_KERNEL, priv, iwl_ucode_callback); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 722 | } |
| 723 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 724 | struct iwlagn_firmware_pieces { |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 725 | const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; |
| 726 | size_t inst_size, data_size, init_size, init_data_size, |
| 727 | wowlan_inst_size, wowlan_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 728 | |
| 729 | u32 build; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 730 | |
| 731 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| 732 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 733 | }; |
| 734 | |
| 735 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, |
| 736 | const struct firmware *ucode_raw, |
| 737 | struct iwlagn_firmware_pieces *pieces) |
| 738 | { |
| 739 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; |
| 740 | u32 api_ver, hdr_size; |
| 741 | const u8 *src; |
| 742 | |
| 743 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 744 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
| 745 | |
| 746 | switch (api_ver) { |
| 747 | default: |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 748 | hdr_size = 28; |
| 749 | if (ucode_raw->size < hdr_size) { |
| 750 | IWL_ERR(priv, "File size too small!\n"); |
| 751 | return -EINVAL; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 752 | } |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 753 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
| 754 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); |
| 755 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); |
| 756 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); |
| 757 | pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size); |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 758 | src = ucode->u.v2.data; |
| 759 | break; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 760 | case 0: |
| 761 | case 1: |
| 762 | case 2: |
| 763 | hdr_size = 24; |
| 764 | if (ucode_raw->size < hdr_size) { |
| 765 | IWL_ERR(priv, "File size too small!\n"); |
| 766 | return -EINVAL; |
| 767 | } |
| 768 | pieces->build = 0; |
| 769 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); |
| 770 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); |
| 771 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); |
| 772 | pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 773 | src = ucode->u.v1.data; |
| 774 | break; |
| 775 | } |
| 776 | |
| 777 | /* Verify size of file vs. image size info in file's header */ |
| 778 | if (ucode_raw->size != hdr_size + pieces->inst_size + |
| 779 | pieces->data_size + pieces->init_size + |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 780 | pieces->init_data_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 781 | |
| 782 | IWL_ERR(priv, |
| 783 | "uCode file size %d does not match expected size\n", |
| 784 | (int)ucode_raw->size); |
| 785 | return -EINVAL; |
| 786 | } |
| 787 | |
| 788 | pieces->inst = src; |
| 789 | src += pieces->inst_size; |
| 790 | pieces->data = src; |
| 791 | src += pieces->data_size; |
| 792 | pieces->init = src; |
| 793 | src += pieces->init_size; |
| 794 | pieces->init_data = src; |
| 795 | src += pieces->init_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 796 | |
| 797 | return 0; |
| 798 | } |
| 799 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 800 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
| 801 | const struct firmware *ucode_raw, |
| 802 | struct iwlagn_firmware_pieces *pieces, |
| 803 | struct iwlagn_ucode_capabilities *capa) |
| 804 | { |
| 805 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; |
| 806 | struct iwl_ucode_tlv *tlv; |
| 807 | size_t len = ucode_raw->size; |
| 808 | const u8 *data; |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 809 | int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; |
| 810 | int tmp; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 811 | u64 alternatives; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 812 | u32 tlv_len; |
| 813 | enum iwl_ucode_tlv_type tlv_type; |
| 814 | const u8 *tlv_data; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 815 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 816 | if (len < sizeof(*ucode)) { |
| 817 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 818 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 819 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 820 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 821 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
| 822 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", |
| 823 | le32_to_cpu(ucode->magic)); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 824 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 825 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 826 | |
| 827 | /* |
| 828 | * Check which alternatives are present, and "downgrade" |
| 829 | * when the chosen alternative is not present, warning |
| 830 | * the user when that happens. Some files may not have |
| 831 | * any alternatives, so don't warn in that case. |
| 832 | */ |
| 833 | alternatives = le64_to_cpu(ucode->alternatives); |
| 834 | tmp = wanted_alternative; |
| 835 | if (wanted_alternative > 63) |
| 836 | wanted_alternative = 63; |
| 837 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) |
| 838 | wanted_alternative--; |
| 839 | if (wanted_alternative && wanted_alternative != tmp) |
| 840 | IWL_WARN(priv, |
| 841 | "uCode alternative %d not available, choosing %d\n", |
| 842 | tmp, wanted_alternative); |
| 843 | |
| 844 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 845 | pieces->build = le32_to_cpu(ucode->build); |
| 846 | data = ucode->data; |
| 847 | |
| 848 | len -= sizeof(*ucode); |
| 849 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 850 | while (len >= sizeof(*tlv)) { |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 851 | u16 tlv_alt; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 852 | |
| 853 | len -= sizeof(*tlv); |
| 854 | tlv = (void *)data; |
| 855 | |
| 856 | tlv_len = le32_to_cpu(tlv->length); |
| 857 | tlv_type = le16_to_cpu(tlv->type); |
| 858 | tlv_alt = le16_to_cpu(tlv->alternative); |
| 859 | tlv_data = tlv->data; |
| 860 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 861 | if (len < tlv_len) { |
| 862 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", |
| 863 | len, tlv_len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 864 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 865 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 866 | len -= ALIGN(tlv_len, 4); |
| 867 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); |
| 868 | |
| 869 | /* |
| 870 | * Alternative 0 is always valid. |
| 871 | * |
| 872 | * Skip alternative TLVs that are not selected. |
| 873 | */ |
| 874 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) |
| 875 | continue; |
| 876 | |
| 877 | switch (tlv_type) { |
| 878 | case IWL_UCODE_TLV_INST: |
| 879 | pieces->inst = tlv_data; |
| 880 | pieces->inst_size = tlv_len; |
| 881 | break; |
| 882 | case IWL_UCODE_TLV_DATA: |
| 883 | pieces->data = tlv_data; |
| 884 | pieces->data_size = tlv_len; |
| 885 | break; |
| 886 | case IWL_UCODE_TLV_INIT: |
| 887 | pieces->init = tlv_data; |
| 888 | pieces->init_size = tlv_len; |
| 889 | break; |
| 890 | case IWL_UCODE_TLV_INIT_DATA: |
| 891 | pieces->init_data = tlv_data; |
| 892 | pieces->init_data_size = tlv_len; |
| 893 | break; |
| 894 | case IWL_UCODE_TLV_BOOT: |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 895 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 896 | break; |
| 897 | case IWL_UCODE_TLV_PROBE_MAX_LEN: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 898 | if (tlv_len != sizeof(u32)) |
| 899 | goto invalid_tlv_len; |
| 900 | capa->max_probe_length = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 901 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 902 | break; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 903 | case IWL_UCODE_TLV_PAN: |
| 904 | if (tlv_len) |
| 905 | goto invalid_tlv_len; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 906 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
| 907 | break; |
| 908 | case IWL_UCODE_TLV_FLAGS: |
| 909 | /* must be at least one u32 */ |
| 910 | if (tlv_len < sizeof(u32)) |
| 911 | goto invalid_tlv_len; |
| 912 | /* and a proper number of u32s */ |
| 913 | if (tlv_len % sizeof(u32)) |
| 914 | goto invalid_tlv_len; |
| 915 | /* |
| 916 | * This driver only reads the first u32 as |
| 917 | * right now no more features are defined, |
| 918 | * if that changes then either the driver |
| 919 | * will not work with the new firmware, or |
| 920 | * it'll not take advantage of new features. |
| 921 | */ |
| 922 | capa->flags = le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 923 | break; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 924 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 925 | if (tlv_len != sizeof(u32)) |
| 926 | goto invalid_tlv_len; |
| 927 | pieces->init_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 928 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 929 | break; |
| 930 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 931 | if (tlv_len != sizeof(u32)) |
| 932 | goto invalid_tlv_len; |
| 933 | pieces->init_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 934 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 935 | break; |
| 936 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 937 | if (tlv_len != sizeof(u32)) |
| 938 | goto invalid_tlv_len; |
| 939 | pieces->init_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 940 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 941 | break; |
| 942 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 943 | if (tlv_len != sizeof(u32)) |
| 944 | goto invalid_tlv_len; |
| 945 | pieces->inst_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 946 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 947 | break; |
| 948 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 949 | if (tlv_len != sizeof(u32)) |
| 950 | goto invalid_tlv_len; |
| 951 | pieces->inst_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 952 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 953 | break; |
| 954 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 955 | if (tlv_len != sizeof(u32)) |
| 956 | goto invalid_tlv_len; |
| 957 | pieces->inst_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 958 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 959 | break; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 960 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
| 961 | if (tlv_len) |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 962 | goto invalid_tlv_len; |
| 963 | priv->enhance_sensitivity_table = true; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 964 | break; |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 965 | case IWL_UCODE_TLV_WOWLAN_INST: |
| 966 | pieces->wowlan_inst = tlv_data; |
| 967 | pieces->wowlan_inst_size = tlv_len; |
| 968 | break; |
| 969 | case IWL_UCODE_TLV_WOWLAN_DATA: |
| 970 | pieces->wowlan_data = tlv_data; |
| 971 | pieces->wowlan_data_size = tlv_len; |
| 972 | break; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 973 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 974 | if (tlv_len != sizeof(u32)) |
| 975 | goto invalid_tlv_len; |
| 976 | capa->standard_phy_calibration_size = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 977 | le32_to_cpup((__le32 *)tlv_data); |
| 978 | break; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 979 | default: |
Johannes Berg | 6fc3ba9 | 2011-04-04 06:16:29 -0700 | [diff] [blame] | 980 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 981 | break; |
| 982 | } |
| 983 | } |
| 984 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 985 | if (len) { |
| 986 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); |
| 987 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 988 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 989 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 990 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 991 | return 0; |
| 992 | |
| 993 | invalid_tlv_len: |
| 994 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
| 995 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); |
| 996 | |
| 997 | return -EINVAL; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 998 | } |
| 999 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1000 | /** |
| 1001 | * iwl_ucode_callback - callback when firmware was loaded |
| 1002 | * |
| 1003 | * If loaded successfully, copies the firmware into buffers |
| 1004 | * for the card to fetch (via DMA). |
| 1005 | */ |
| 1006 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
| 1007 | { |
| 1008 | struct iwl_priv *priv = context; |
| 1009 | struct iwl_ucode_header *ucode; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1010 | int err; |
| 1011 | struct iwlagn_firmware_pieces pieces; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1012 | const unsigned int api_max = priv->cfg->ucode_api_max; |
Johannes Berg | 5d7969b | 2011-07-23 10:24:44 -0700 | [diff] [blame] | 1013 | unsigned int api_ok = priv->cfg->ucode_api_ok; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1014 | const unsigned int api_min = priv->cfg->ucode_api_min; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1015 | u32 api_ver; |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1016 | char buildstr[25]; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1017 | u32 build; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1018 | struct iwlagn_ucode_capabilities ucode_capa = { |
| 1019 | .max_probe_length = 200, |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1020 | .standard_phy_calibration_size = |
Shanyu Zhao | 642454c | 2010-09-21 12:06:18 -0700 | [diff] [blame] | 1021 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1022 | }; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1023 | |
Johannes Berg | 5d7969b | 2011-07-23 10:24:44 -0700 | [diff] [blame] | 1024 | if (!api_ok) |
| 1025 | api_ok = api_max; |
| 1026 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1027 | memset(&pieces, 0, sizeof(pieces)); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1028 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1029 | if (!ucode_raw) { |
Johannes Berg | 5d7969b | 2011-07-23 10:24:44 -0700 | [diff] [blame] | 1030 | if (priv->fw_index <= api_ok) |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1031 | IWL_ERR(priv, |
| 1032 | "request for firmware file '%s' failed.\n", |
| 1033 | priv->firmware_name); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1034 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1035 | } |
| 1036 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1037 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
| 1038 | priv->firmware_name, ucode_raw->size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1039 | |
Johannes Berg | 22adba2 | 2010-04-28 12:09:14 -0700 | [diff] [blame] | 1040 | /* Make sure that we got at least the API version number */ |
| 1041 | if (ucode_raw->size < 4) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1042 | IWL_ERR(priv, "File size way too small!\n"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1043 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1044 | } |
| 1045 | |
| 1046 | /* Data from ucode file: header followed by uCode images */ |
Jay Sternberg | cc0f555 | 2009-07-17 09:30:16 -0700 | [diff] [blame] | 1047 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1048 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1049 | if (ucode->ver) |
| 1050 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); |
| 1051 | else |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1052 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
| 1053 | &ucode_capa); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1054 | |
| 1055 | if (err) |
| 1056 | goto try_again; |
| 1057 | |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1058 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1059 | build = pieces.build; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1060 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1061 | /* |
| 1062 | * api_ver should match the api version forming part of the |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1063 | * firmware filename ... but we don't check for that and only rely |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1064 | * on the API version read from firmware header from here on forward |
| 1065 | */ |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 1066 | /* no api version check required for experimental uCode */ |
| 1067 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
| 1068 | if (api_ver < api_min || api_ver > api_max) { |
| 1069 | IWL_ERR(priv, |
| 1070 | "Driver unable to support your firmware API. " |
| 1071 | "Driver supports v%u, firmware is v%u.\n", |
| 1072 | api_max, api_ver); |
| 1073 | goto try_again; |
| 1074 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1075 | |
Johannes Berg | 5d7969b | 2011-07-23 10:24:44 -0700 | [diff] [blame] | 1076 | if (api_ver < api_ok) { |
| 1077 | if (api_ok != api_max) |
| 1078 | IWL_ERR(priv, "Firmware has old API version, " |
| 1079 | "expected v%u through v%u, got v%u.\n", |
| 1080 | api_ok, api_max, api_ver); |
| 1081 | else |
| 1082 | IWL_ERR(priv, "Firmware has old API version, " |
| 1083 | "expected v%u, got v%u.\n", |
| 1084 | api_max, api_ver); |
| 1085 | IWL_ERR(priv, "New firmware can be obtained from " |
| 1086 | "http://www.intellinuxwireless.org/.\n"); |
| 1087 | } |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 1088 | } |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1089 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1090 | if (build) |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1091 | sprintf(buildstr, " build %u%s", build, |
| 1092 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 1093 | ? " (EXP)" : ""); |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1094 | else |
| 1095 | buildstr[0] = '\0'; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1096 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1097 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1098 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1099 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1100 | IWL_UCODE_API(priv->ucode_ver), |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1101 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1102 | buildstr); |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1103 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1104 | snprintf(priv->hw->wiphy->fw_version, |
| 1105 | sizeof(priv->hw->wiphy->fw_version), |
| 1106 | "%u.%u.%u.%u%s", |
| 1107 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1108 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1109 | IWL_UCODE_API(priv->ucode_ver), |
| 1110 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1111 | buildstr); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1112 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1113 | /* |
| 1114 | * For any of the failures below (before allocating pci memory) |
| 1115 | * we will try to load a version with a smaller API -- maybe the |
| 1116 | * user just got a corrupted version of the latest API. |
| 1117 | */ |
| 1118 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1119 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
| 1120 | priv->ucode_ver); |
| 1121 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", |
| 1122 | pieces.inst_size); |
| 1123 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", |
| 1124 | pieces.data_size); |
| 1125 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", |
| 1126 | pieces.init_size); |
| 1127 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", |
| 1128 | pieces.init_data_size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1129 | |
| 1130 | /* Verify that uCode images will fit in card's SRAM */ |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1131 | if (pieces.inst_size > hw_params(priv).max_inst_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1132 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
| 1133 | pieces.inst_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1134 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1135 | } |
| 1136 | |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1137 | if (pieces.data_size > hw_params(priv).max_data_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1138 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
| 1139 | pieces.data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1140 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1141 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1142 | |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1143 | if (pieces.init_size > hw_params(priv).max_inst_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1144 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
| 1145 | pieces.init_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1146 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1147 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1148 | |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1149 | if (pieces.init_data_size > hw_params(priv).max_data_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1150 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
| 1151 | pieces.init_data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1152 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1153 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1154 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1155 | /* Allocate ucode buffers for card's bus-master loading ... */ |
| 1156 | |
| 1157 | /* Runtime instructions and 2 copies of data: |
| 1158 | * 1) unmodified from disk |
| 1159 | * 2) backup cache for save/restore during power-downs */ |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1160 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1161 | pieces.inst, pieces.inst_size)) |
| 1162 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1163 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1164 | pieces.data, pieces.data_size)) |
Zhu, Yi | 1f304e4 | 2009-01-23 13:45:22 -0800 | [diff] [blame] | 1165 | goto err_pci_alloc; |
| 1166 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1167 | /* Initialization instructions and data */ |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1168 | if (pieces.init_size && pieces.init_data_size) { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1169 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1170 | pieces.init, pieces.init_size)) |
| 1171 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1172 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1173 | pieces.init_data, pieces.init_data_size)) |
Tomas Winkler | 90e759d | 2007-11-29 11:09:41 +0800 | [diff] [blame] | 1174 | goto err_pci_alloc; |
| 1175 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1176 | |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1177 | /* WoWLAN instructions and data */ |
| 1178 | if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { |
| 1179 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, |
| 1180 | pieces.wowlan_inst, |
| 1181 | pieces.wowlan_inst_size)) |
| 1182 | goto err_pci_alloc; |
| 1183 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, |
| 1184 | pieces.wowlan_data, |
| 1185 | pieces.wowlan_data_size)) |
| 1186 | goto err_pci_alloc; |
| 1187 | } |
| 1188 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1189 | /* Now that we can no longer fail, copy information */ |
| 1190 | |
| 1191 | /* |
| 1192 | * The (size - 16) / 12 formula is based on the information recorded |
| 1193 | * for each event, which is of mode 1 (including timestamp) for all |
| 1194 | * new microcodes that include this information. |
| 1195 | */ |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1196 | priv->init_evtlog_ptr = pieces.init_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1197 | if (pieces.init_evtlog_size) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1198 | priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1199 | else |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1200 | priv->init_evtlog_size = |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1201 | priv->cfg->base_params->max_event_log_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1202 | priv->init_errlog_ptr = pieces.init_errlog_ptr; |
| 1203 | priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1204 | if (pieces.inst_evtlog_size) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1205 | priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1206 | else |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1207 | priv->inst_evtlog_size = |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1208 | priv->cfg->base_params->max_event_log_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1209 | priv->inst_errlog_ptr = pieces.inst_errlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1210 | |
Johannes Berg | d2690c0 | 2011-04-20 09:10:39 -0700 | [diff] [blame] | 1211 | priv->new_scan_threshold_behaviour = |
| 1212 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
| 1213 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 1214 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) |
| 1215 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 1216 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1217 | /* |
| 1218 | * if not PAN, then don't support P2P -- might be a uCode |
| 1219 | * packaging bug or due to the eeprom check above |
| 1220 | */ |
| 1221 | if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) |
| 1222 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
| 1223 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 1224 | if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { |
| 1225 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
Emmanuel Grumbach | cefeaa5 | 2011-08-25 23:10:40 -0700 | [diff] [blame] | 1226 | priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 1227 | } else { |
| 1228 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
Emmanuel Grumbach | cefeaa5 | 2011-08-25 23:10:40 -0700 | [diff] [blame] | 1229 | priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 1230 | } |
Johannes Berg | 17445b8 | 2011-04-05 09:42:05 -0700 | [diff] [blame] | 1231 | |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1232 | /* |
| 1233 | * figure out the offset of chain noise reset and gain commands |
| 1234 | * base on the size of standard phy calibration commands table size |
| 1235 | */ |
| 1236 | if (ucode_capa.standard_phy_calibration_size > |
| 1237 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) |
| 1238 | ucode_capa.standard_phy_calibration_size = |
| 1239 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; |
| 1240 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1241 | priv->phy_calib_chain_noise_reset_cmd = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1242 | ucode_capa.standard_phy_calibration_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1243 | priv->phy_calib_chain_noise_gain_cmd = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1244 | ucode_capa.standard_phy_calibration_size + 1; |
| 1245 | |
Johannes Berg | 4d2a5d0 | 2011-07-23 10:24:46 -0700 | [diff] [blame] | 1246 | /* initialize all valid contexts */ |
| 1247 | iwl_init_context(priv, ucode_capa.flags); |
| 1248 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1249 | /************************************************** |
| 1250 | * This is still part of probe() in a sense... |
| 1251 | * |
| 1252 | * 9. Setup and register with mac80211 and debugfs |
| 1253 | **************************************************/ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1254 | err = iwl_mac_setup_register(priv, &ucode_capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1255 | if (err) |
| 1256 | goto out_unbind; |
| 1257 | |
| 1258 | err = iwl_dbgfs_register(priv, DRV_NAME); |
| 1259 | if (err) |
| 1260 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); |
| 1261 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 1262 | err = sysfs_create_group(&(priv->bus->dev->kobj), |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1263 | &iwl_attribute_group); |
| 1264 | if (err) { |
| 1265 | IWL_ERR(priv, "failed to create sysfs device attributes\n"); |
| 1266 | goto out_unbind; |
| 1267 | } |
| 1268 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1269 | /* We have our copies now, allow OS release its copies */ |
| 1270 | release_firmware(ucode_raw); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1271 | complete(&priv->firmware_loading_complete); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1272 | return; |
| 1273 | |
| 1274 | try_again: |
| 1275 | /* try next, if any */ |
| 1276 | if (iwl_request_firmware(priv, false)) |
| 1277 | goto out_unbind; |
| 1278 | release_firmware(ucode_raw); |
| 1279 | return; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1280 | |
| 1281 | err_pci_alloc: |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1282 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1283 | iwl_dealloc_ucode(priv); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1284 | out_unbind: |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1285 | complete(&priv->firmware_loading_complete); |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 1286 | device_release_driver(priv->bus->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1287 | release_firmware(ucode_raw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1288 | } |
| 1289 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1290 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 1291 | { |
| 1292 | struct iwl_ct_kill_config cmd; |
| 1293 | struct iwl_ct_kill_throttling_config adv_cmd; |
| 1294 | unsigned long flags; |
| 1295 | int ret = 0; |
| 1296 | |
Emmanuel Grumbach | 10b15e6 | 2011-08-25 23:10:43 -0700 | [diff] [blame] | 1297 | spin_lock_irqsave(&priv->shrd->lock, flags); |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 1298 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1299 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
Emmanuel Grumbach | 10b15e6 | 2011-08-25 23:10:43 -0700 | [diff] [blame] | 1300 | spin_unlock_irqrestore(&priv->shrd->lock, flags); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1301 | priv->thermal_throttle.ct_kill_toggle = false; |
| 1302 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1303 | if (priv->cfg->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1304 | adv_cmd.critical_temperature_enter = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1305 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1306 | adv_cmd.critical_temperature_exit = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1307 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1308 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1309 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1310 | REPLY_CT_KILL_CONFIG_CMD, |
| 1311 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1312 | if (ret) |
| 1313 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1314 | else |
| 1315 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1316 | "succeeded, critical temperature enter is %d," |
| 1317 | "exit is %d\n", |
| 1318 | hw_params(priv).ct_kill_threshold, |
| 1319 | hw_params(priv).ct_kill_exit_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1320 | } else { |
| 1321 | cmd.critical_temperature_R = |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1322 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1323 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1324 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1325 | REPLY_CT_KILL_CONFIG_CMD, |
| 1326 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1327 | if (ret) |
| 1328 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1329 | else |
| 1330 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1331 | "succeeded, " |
| 1332 | "critical temperature is %d\n", |
| 1333 | hw_params(priv).ct_kill_threshold); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1334 | } |
| 1335 | } |
| 1336 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1337 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 1338 | { |
| 1339 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 1340 | struct iwl_host_cmd cmd = { |
| 1341 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 1342 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 1343 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1344 | }; |
| 1345 | |
| 1346 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
| 1347 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1348 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1349 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1350 | return iwl_trans_send_cmd(trans(priv), &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1351 | } |
| 1352 | |
| 1353 | |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 1354 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
| 1355 | { |
| 1356 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { |
| 1357 | .valid = cpu_to_le32(valid_tx_ant), |
| 1358 | }; |
| 1359 | |
| 1360 | if (IWL_UCODE_API(priv->ucode_ver) > 1) { |
| 1361 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1362 | return iwl_trans_send_cmd_pdu(trans(priv), |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 1363 | TX_ANT_CONFIGURATION_CMD, |
| 1364 | CMD_SYNC, |
| 1365 | sizeof(struct iwl_tx_ant_config_cmd), |
| 1366 | &tx_ant_cmd); |
| 1367 | } else { |
| 1368 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); |
| 1369 | return -EOPNOTSUPP; |
| 1370 | } |
| 1371 | } |
| 1372 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1373 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1374 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1375 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1376 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1377 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1378 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1379 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 1380 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1381 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1382 | |
Emmanuel Grumbach | 1a361cd | 2011-07-11 07:44:57 -0700 | [diff] [blame] | 1383 | /*TODO: this should go to the transport layer */ |
Emmanuel Grumbach | 6bb7884 | 2011-08-25 23:11:09 -0700 | [diff] [blame] | 1384 | iwl_reset_ict(trans(priv)); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1385 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1386 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1387 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1388 | /* After the ALIVE response, we can send host commands to the uCode */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1389 | set_bit(STATUS_ALIVE, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1390 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 1391 | /* Enable watchdog to monitor the driver tx queues */ |
| 1392 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 1393 | |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 1394 | if (iwl_is_rfkill(priv->shrd)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1395 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1396 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 1397 | /* download priority table before any calibration request */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1398 | if (priv->cfg->bt_params && |
| 1399 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1400 | /* Configure Bluetooth device coexistence support */ |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1401 | if (priv->cfg->bt_params->bt_sco_disable) |
| 1402 | priv->bt_enable_pspoll = false; |
| 1403 | else |
| 1404 | priv->bt_enable_pspoll = true; |
| 1405 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1406 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 1407 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 1408 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1409 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1410 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1411 | priv->cur_rssi_ctx = NULL; |
| 1412 | |
Wey-Yi Guy | a5901cb | 2010-09-23 09:56:51 -0700 | [diff] [blame] | 1413 | iwlagn_send_prio_tbl(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1414 | |
| 1415 | /* FIXME: w/a to force change uCode BT state machine */ |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1416 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
| 1417 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 1418 | if (ret) |
| 1419 | return ret; |
| 1420 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
| 1421 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 1422 | if (ret) |
| 1423 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1424 | } else { |
| 1425 | /* |
| 1426 | * default is 2-wire BT coexexistence support |
| 1427 | */ |
| 1428 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1429 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1430 | |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 1431 | if (hw_params(priv).calib_rt_cfg) |
| 1432 | iwlagn_send_calib_cfg_rt(priv, |
| 1433 | hw_params(priv).calib_rt_cfg); |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 1434 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 1435 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1436 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 1437 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1438 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 1439 | /* Configure Tx antenna selection based on H/W config */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1440 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 1441 | |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 1442 | if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 1443 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1444 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 1445 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1446 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1447 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 1448 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1449 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1450 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1451 | for_each_context(priv, tmp) |
| 1452 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 1453 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1454 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1455 | } |
| 1456 | |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 1457 | if (!priv->shrd->wowlan) { |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1458 | /* WoWLAN ucode will not reply in the same way, skip it */ |
| 1459 | iwl_reset_run_time_calib(priv); |
| 1460 | } |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1461 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1462 | set_bit(STATUS_READY, &priv->shrd->status); |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 1463 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1464 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 1465 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1466 | if (ret) |
| 1467 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1468 | |
| 1469 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 1470 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 1471 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1472 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1473 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1474 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1475 | } |
| 1476 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1477 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1478 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1479 | static void __iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1480 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 1481 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1482 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1483 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1484 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 1485 | iwl_scan_cancel_timeout(priv, 200); |
| 1486 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 1487 | /* |
| 1488 | * If active, scanning won't cancel it, so say it expired. |
| 1489 | * No race since we hold the mutex here and a new one |
| 1490 | * can't come in at this time. |
| 1491 | */ |
| 1492 | ieee80211_remain_on_channel_expired(priv->hw); |
| 1493 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1494 | exit_pending = |
| 1495 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1496 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 1497 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 1498 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 1499 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 1500 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 1501 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1502 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 1503 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1504 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1505 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 1506 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1507 | priv->cur_rssi_ctx = NULL; |
| 1508 | priv->bt_is_sco = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1509 | if (priv->cfg->bt_params) |
| 1510 | priv->bt_traffic_load = |
| 1511 | priv->cfg->bt_params->bt_init_traffic_load; |
| 1512 | else |
| 1513 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1514 | priv->bt_full_concurrent = false; |
| 1515 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1516 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1517 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 1518 | * exiting the module */ |
| 1519 | if (!exit_pending) |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1520 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1521 | |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame^] | 1522 | if (priv->shrd->mac80211_registered) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1523 | ieee80211_stop_queues(priv->hw); |
| 1524 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 1525 | /* Clear out all status bits but a few that are stable across reset */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1526 | priv->shrd->status &= |
| 1527 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1528 | STATUS_RF_KILL_HW | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1529 | test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 1530 | STATUS_GEO_CONFIGURED | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1531 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 1532 | STATUS_FW_ERROR | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1533 | test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 1534 | STATUS_EXIT_PENDING; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1535 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1536 | iwl_trans_stop_device(trans(priv)); |
Ben Cahill | 4d2ccdb | 2009-10-09 13:20:20 -0700 | [diff] [blame] | 1537 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 1538 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 1539 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1540 | } |
| 1541 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1542 | static void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1543 | { |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1544 | mutex_lock(&priv->shrd->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1545 | __iwl_down(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1546 | mutex_unlock(&priv->shrd->mutex); |
Zhu Yi | b24d22b | 2007-12-19 13:59:52 +0800 | [diff] [blame] | 1547 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1548 | iwl_cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | #define MAX_HW_RESTARTS 5 |
| 1552 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1553 | static int __iwl_up(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1554 | { |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1555 | struct iwl_rxon_context *ctx; |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 1556 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1557 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1558 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1559 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1560 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
Winkler, Tomas | 39aadf8 | 2008-12-19 10:37:32 +0800 | [diff] [blame] | 1561 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1562 | return -EIO; |
| 1563 | } |
| 1564 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1565 | for_each_context(priv, ctx) { |
Johannes Berg | a30e311 | 2010-09-22 18:02:01 +0200 | [diff] [blame] | 1566 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1567 | if (ret) { |
| 1568 | iwl_dealloc_bcast_stations(priv); |
| 1569 | return ret; |
| 1570 | } |
| 1571 | } |
Johannes Berg | 2c810cc | 2010-04-29 00:53:29 -0700 | [diff] [blame] | 1572 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1573 | ret = iwlagn_run_init_ucode(priv); |
| 1574 | if (ret) { |
| 1575 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); |
| 1576 | goto error; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1577 | } |
| 1578 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1579 | ret = iwlagn_load_ucode_wait_alive(priv, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1580 | &priv->ucode_rt, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1581 | IWL_UCODE_REGULAR); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1582 | if (ret) { |
| 1583 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); |
| 1584 | goto error; |
| 1585 | } |
| 1586 | |
| 1587 | ret = iwl_alive_start(priv); |
| 1588 | if (ret) |
| 1589 | goto error; |
| 1590 | return 0; |
| 1591 | |
| 1592 | error: |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1593 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1594 | __iwl_down(priv); |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1595 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1596 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1597 | IWL_ERR(priv, "Unable to initialize device.\n"); |
| 1598 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1599 | } |
| 1600 | |
| 1601 | |
| 1602 | /***************************************************************************** |
| 1603 | * |
| 1604 | * Workqueue callbacks |
| 1605 | * |
| 1606 | *****************************************************************************/ |
| 1607 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1608 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 1609 | { |
| 1610 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 1611 | run_time_calib_work); |
| 1612 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1613 | mutex_lock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1614 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1615 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
| 1616 | test_bit(STATUS_SCANNING, &priv->shrd->status)) { |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1617 | mutex_unlock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1618 | return; |
| 1619 | } |
| 1620 | |
| 1621 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 1622 | iwl_chain_noise_calibration(priv); |
| 1623 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1624 | } |
| 1625 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1626 | mutex_unlock(&priv->shrd->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1627 | } |
| 1628 | |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1629 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
| 1630 | { |
| 1631 | struct iwl_rxon_context *ctx; |
| 1632 | bool bt_full_concurrent; |
| 1633 | u8 bt_ci_compliance; |
| 1634 | u8 bt_load; |
| 1635 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1636 | bool bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1637 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1638 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1639 | |
| 1640 | for_each_context(priv, ctx) |
| 1641 | ctx->vif = NULL; |
| 1642 | priv->is_open = 0; |
| 1643 | |
| 1644 | /* |
| 1645 | * __iwl_down() will clear the BT status variables, |
| 1646 | * which is correct, but when we restart we really |
| 1647 | * want to keep them so restore them afterwards. |
| 1648 | * |
| 1649 | * The restart process will later pick them up and |
| 1650 | * re-configure the hw when we reconfigure the BT |
| 1651 | * command. |
| 1652 | */ |
| 1653 | bt_full_concurrent = priv->bt_full_concurrent; |
| 1654 | bt_ci_compliance = priv->bt_ci_compliance; |
| 1655 | bt_load = priv->bt_traffic_load; |
| 1656 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1657 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1658 | |
| 1659 | __iwl_down(priv); |
| 1660 | |
| 1661 | priv->bt_full_concurrent = bt_full_concurrent; |
| 1662 | priv->bt_ci_compliance = bt_ci_compliance; |
| 1663 | priv->bt_traffic_load = bt_load; |
| 1664 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1665 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1666 | } |
| 1667 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1668 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1669 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 1670 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1671 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1672 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1673 | return; |
| 1674 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1675 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1676 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1677 | iwlagn_prepare_restart(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1678 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1679 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1680 | ieee80211_restart_hw(priv->hw); |
| 1681 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1682 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1683 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1684 | } |
| 1685 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1686 | /***************************************************************************** |
| 1687 | * |
| 1688 | * mac80211 entry point functions |
| 1689 | * |
| 1690 | *****************************************************************************/ |
| 1691 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 1692 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
| 1693 | { |
| 1694 | .max = 1, |
| 1695 | .types = BIT(NL80211_IFTYPE_STATION), |
| 1696 | }, |
| 1697 | { |
| 1698 | .max = 1, |
| 1699 | .types = BIT(NL80211_IFTYPE_AP), |
| 1700 | }, |
| 1701 | }; |
| 1702 | |
| 1703 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { |
| 1704 | { |
| 1705 | .max = 2, |
| 1706 | .types = BIT(NL80211_IFTYPE_STATION), |
| 1707 | }, |
| 1708 | }; |
| 1709 | |
| 1710 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { |
| 1711 | { |
| 1712 | .max = 1, |
| 1713 | .types = BIT(NL80211_IFTYPE_STATION), |
| 1714 | }, |
| 1715 | { |
| 1716 | .max = 1, |
| 1717 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
| 1718 | BIT(NL80211_IFTYPE_AP), |
| 1719 | }, |
| 1720 | }; |
| 1721 | |
| 1722 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { |
| 1723 | { |
| 1724 | .max = 2, |
| 1725 | .types = BIT(NL80211_IFTYPE_STATION), |
| 1726 | }, |
| 1727 | { |
| 1728 | .max = 1, |
| 1729 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), |
| 1730 | }, |
| 1731 | }; |
| 1732 | |
| 1733 | static const struct ieee80211_iface_combination |
| 1734 | iwlagn_iface_combinations_dualmode[] = { |
| 1735 | { .num_different_channels = 1, |
| 1736 | .max_interfaces = 2, |
| 1737 | .beacon_int_infra_match = true, |
| 1738 | .limits = iwlagn_sta_ap_limits, |
| 1739 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), |
| 1740 | }, |
| 1741 | { .num_different_channels = 1, |
| 1742 | .max_interfaces = 2, |
| 1743 | .limits = iwlagn_2sta_limits, |
| 1744 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), |
| 1745 | }, |
| 1746 | }; |
| 1747 | |
| 1748 | static const struct ieee80211_iface_combination |
| 1749 | iwlagn_iface_combinations_p2p[] = { |
| 1750 | { .num_different_channels = 1, |
| 1751 | .max_interfaces = 2, |
| 1752 | .beacon_int_infra_match = true, |
| 1753 | .limits = iwlagn_p2p_sta_go_limits, |
| 1754 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), |
| 1755 | }, |
| 1756 | { .num_different_channels = 1, |
| 1757 | .max_interfaces = 2, |
| 1758 | .limits = iwlagn_p2p_2sta_limits, |
| 1759 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), |
| 1760 | }, |
| 1761 | }; |
| 1762 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1763 | /* |
| 1764 | * Not a mac80211 entry point function, but it fits in with all the |
| 1765 | * other mac80211 functions grouped here. |
| 1766 | */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1767 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 1768 | struct iwlagn_ucode_capabilities *capa) |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1769 | { |
| 1770 | int ret; |
| 1771 | struct ieee80211_hw *hw = priv->hw; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1772 | struct iwl_rxon_context *ctx; |
| 1773 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1774 | hw->rate_control_algorithm = "iwl-agn-rs"; |
| 1775 | |
| 1776 | /* Tell mac80211 our characteristics */ |
| 1777 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1778 | IEEE80211_HW_AMPDU_AGGREGATION | |
Johannes Berg | 2491fa4 | 2010-08-23 10:46:52 +0200 | [diff] [blame] | 1779 | IEEE80211_HW_NEED_DTIM_PERIOD | |
Johannes Berg | 6fb5511 | 2010-11-16 11:55:02 -0800 | [diff] [blame] | 1780 | IEEE80211_HW_SPECTRUM_MGMT | |
| 1781 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1782 | |
Johannes Berg | 9b76883 | 2011-01-19 02:54:18 -0800 | [diff] [blame] | 1783 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 1784 | |
Wey-Yi Guy | 23c0fcc | 2011-04-01 16:29:53 -0700 | [diff] [blame] | 1785 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
| 1786 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1787 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 1788 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 1789 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
| 1790 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; |
| 1791 | |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 1792 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
| 1793 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; |
| 1794 | |
Reinette Chatre | 8d9698b | 2009-10-16 14:25:55 -0700 | [diff] [blame] | 1795 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 1796 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
| 1797 | |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1798 | for_each_context(priv, ctx) { |
| 1799 | hw->wiphy->interface_modes |= ctx->interface_modes; |
| 1800 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; |
| 1801 | } |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1802 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 1803 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 1804 | |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 1805 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 1806 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
| 1807 | hw->wiphy->n_iface_combinations = |
| 1808 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 1809 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 1810 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
| 1811 | hw->wiphy->n_iface_combinations = |
| 1812 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); |
| 1813 | } |
| 1814 | |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 1815 | hw->wiphy->max_remain_on_channel_duration = 1000; |
| 1816 | |
Reinette Chatre | f6c8f15 | 2010-03-12 11:13:26 -0800 | [diff] [blame] | 1817 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 1818 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
| 1819 | WIPHY_FLAG_IBSS_RSN; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1820 | |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1821 | if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { |
| 1822 | hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | |
| 1823 | WIPHY_WOWLAN_DISCONNECT | |
| 1824 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | |
| 1825 | WIPHY_WOWLAN_RFKILL_RELEASE; |
| 1826 | if (!iwlagn_mod_params.sw_crypto) |
| 1827 | hw->wiphy->wowlan.flags |= |
| 1828 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | |
| 1829 | WIPHY_WOWLAN_GTK_REKEY_FAILURE; |
| 1830 | |
| 1831 | hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; |
| 1832 | hw->wiphy->wowlan.pattern_min_len = |
| 1833 | IWLAGN_WOWLAN_MIN_PATTERN_LEN; |
| 1834 | hw->wiphy->wowlan.pattern_max_len = |
| 1835 | IWLAGN_WOWLAN_MAX_PATTERN_LEN; |
| 1836 | } |
| 1837 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 1838 | if (iwlagn_mod_params.power_save) |
| 1839 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 1840 | else |
| 1841 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1842 | |
Reinette Chatre | 1382c71 | 2010-02-25 10:02:19 -0800 | [diff] [blame] | 1843 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1844 | /* we create the 802.11 header and a zero-length SSID element */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1845 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1846 | |
| 1847 | /* Default value; 4 EDCA QOS priorities */ |
| 1848 | hw->queues = 4; |
| 1849 | |
| 1850 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
| 1851 | |
| 1852 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 1853 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 1854 | &priv->bands[IEEE80211_BAND_2GHZ]; |
| 1855 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) |
| 1856 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 1857 | &priv->bands[IEEE80211_BAND_5GHZ]; |
| 1858 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 1859 | iwl_leds_init(priv); |
| 1860 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1861 | ret = ieee80211_register_hw(priv->hw); |
| 1862 | if (ret) { |
| 1863 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); |
| 1864 | return ret; |
| 1865 | } |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame^] | 1866 | priv->shrd->mac80211_registered = 1; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 1867 | |
| 1868 | return 0; |
| 1869 | } |
| 1870 | |
| 1871 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 1872 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1873 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 1874 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 1875 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1876 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1877 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1878 | |
| 1879 | /* we should be verifying the device is ready to be opened */ |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1880 | mutex_lock(&priv->shrd->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1881 | ret = __iwl_up(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1882 | mutex_unlock(&priv->shrd->mutex); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 1883 | if (ret) |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 1884 | return ret; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 1885 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1886 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 1887 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1888 | /* Now we should be done, and the READY bit should be set. */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 1889 | if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1890 | ret = -EIO; |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 1891 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 1892 | iwlagn_led_enable(priv); |
Johannes Berg | e932a60 | 2009-10-02 13:44:03 -0700 | [diff] [blame] | 1893 | |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 1894 | priv->is_open = 1; |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1895 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1896 | return 0; |
| 1897 | } |
| 1898 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 1899 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1900 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 1901 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1902 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1903 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1904 | |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1905 | if (!priv->is_open) |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 1906 | return; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 1907 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1908 | priv->is_open = 0; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 1909 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1910 | iwl_down(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 1911 | |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 1912 | flush_workqueue(priv->shrd->workqueue); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 1913 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 1914 | /* User space software may expect getting rfkill changes |
| 1915 | * even if interface is down */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 1916 | iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 1917 | iwl_enable_rfkill_int(priv); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 1918 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1919 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1920 | } |
| 1921 | |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 1922 | #ifdef CONFIG_PM |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1923 | static int iwlagn_send_patterns(struct iwl_priv *priv, |
| 1924 | struct cfg80211_wowlan *wowlan) |
| 1925 | { |
| 1926 | struct iwlagn_wowlan_patterns_cmd *pattern_cmd; |
| 1927 | struct iwl_host_cmd cmd = { |
| 1928 | .id = REPLY_WOWLAN_PATTERNS, |
| 1929 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, |
| 1930 | .flags = CMD_SYNC, |
| 1931 | }; |
| 1932 | int i, err; |
| 1933 | |
| 1934 | if (!wowlan->n_patterns) |
| 1935 | return 0; |
| 1936 | |
| 1937 | cmd.len[0] = sizeof(*pattern_cmd) + |
| 1938 | wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); |
| 1939 | |
| 1940 | pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); |
| 1941 | if (!pattern_cmd) |
| 1942 | return -ENOMEM; |
| 1943 | |
| 1944 | pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); |
| 1945 | |
| 1946 | for (i = 0; i < wowlan->n_patterns; i++) { |
| 1947 | int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); |
| 1948 | |
| 1949 | memcpy(&pattern_cmd->patterns[i].mask, |
| 1950 | wowlan->patterns[i].mask, mask_len); |
| 1951 | memcpy(&pattern_cmd->patterns[i].pattern, |
| 1952 | wowlan->patterns[i].pattern, |
| 1953 | wowlan->patterns[i].pattern_len); |
| 1954 | pattern_cmd->patterns[i].mask_size = mask_len; |
| 1955 | pattern_cmd->patterns[i].pattern_size = |
| 1956 | wowlan->patterns[i].pattern_len; |
| 1957 | } |
| 1958 | |
| 1959 | cmd.data[0] = pattern_cmd; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 1960 | err = iwl_trans_send_cmd(trans(priv), &cmd); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1961 | kfree(pattern_cmd); |
| 1962 | return err; |
| 1963 | } |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 1964 | #endif |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1965 | |
| 1966 | static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, |
| 1967 | struct ieee80211_vif *vif, |
| 1968 | struct cfg80211_gtk_rekey_data *data) |
| 1969 | { |
| 1970 | struct iwl_priv *priv = hw->priv; |
| 1971 | |
| 1972 | if (iwlagn_mod_params.sw_crypto) |
| 1973 | return; |
| 1974 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1975 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1976 | |
| 1977 | if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) |
| 1978 | goto out; |
| 1979 | |
| 1980 | memcpy(priv->kek, data->kek, NL80211_KEK_LEN); |
| 1981 | memcpy(priv->kck, data->kck, NL80211_KCK_LEN); |
| 1982 | priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); |
| 1983 | priv->have_rekey_data = true; |
| 1984 | |
| 1985 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 1986 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1987 | } |
| 1988 | |
| 1989 | struct wowlan_key_data { |
| 1990 | struct iwl_rxon_context *ctx; |
| 1991 | struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; |
| 1992 | struct iwlagn_wowlan_tkip_params_cmd *tkip; |
| 1993 | const u8 *bssid; |
| 1994 | bool error, use_rsc_tsc, use_tkip; |
| 1995 | }; |
| 1996 | |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 1997 | #ifdef CONFIG_PM |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 1998 | static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) |
| 1999 | { |
| 2000 | int i; |
| 2001 | |
| 2002 | for (i = 0; i < IWLAGN_P1K_SIZE; i++) |
| 2003 | out[i] = cpu_to_le16(p1k[i]); |
| 2004 | } |
| 2005 | |
| 2006 | static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, |
| 2007 | struct ieee80211_vif *vif, |
| 2008 | struct ieee80211_sta *sta, |
| 2009 | struct ieee80211_key_conf *key, |
| 2010 | void *_data) |
| 2011 | { |
| 2012 | struct iwl_priv *priv = hw->priv; |
| 2013 | struct wowlan_key_data *data = _data; |
| 2014 | struct iwl_rxon_context *ctx = data->ctx; |
| 2015 | struct aes_sc *aes_sc, *aes_tx_sc = NULL; |
| 2016 | struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; |
| 2017 | struct iwlagn_p1k_cache *rx_p1ks; |
| 2018 | u8 *rx_mic_key; |
| 2019 | struct ieee80211_key_seq seq; |
| 2020 | u32 cur_rx_iv32 = 0; |
| 2021 | u16 p1k[IWLAGN_P1K_SIZE]; |
| 2022 | int ret, i; |
| 2023 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2024 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2025 | |
| 2026 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 2027 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && |
| 2028 | !sta && !ctx->key_mapping_keys) |
| 2029 | ret = iwl_set_default_wep_key(priv, ctx, key); |
| 2030 | else |
| 2031 | ret = iwl_set_dynamic_key(priv, ctx, key, sta); |
| 2032 | |
| 2033 | if (ret) { |
| 2034 | IWL_ERR(priv, "Error setting key during suspend!\n"); |
| 2035 | data->error = true; |
| 2036 | } |
| 2037 | |
| 2038 | switch (key->cipher) { |
| 2039 | case WLAN_CIPHER_SUITE_TKIP: |
| 2040 | if (sta) { |
| 2041 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; |
| 2042 | tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; |
| 2043 | |
| 2044 | rx_p1ks = data->tkip->rx_uni; |
| 2045 | |
| 2046 | ieee80211_get_key_tx_seq(key, &seq); |
| 2047 | tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); |
| 2048 | tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); |
| 2049 | |
| 2050 | ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); |
| 2051 | iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); |
| 2052 | |
| 2053 | memcpy(data->tkip->mic_keys.tx, |
| 2054 | &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], |
| 2055 | IWLAGN_MIC_KEY_SIZE); |
| 2056 | |
| 2057 | rx_mic_key = data->tkip->mic_keys.rx_unicast; |
| 2058 | } else { |
| 2059 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; |
| 2060 | rx_p1ks = data->tkip->rx_multi; |
| 2061 | rx_mic_key = data->tkip->mic_keys.rx_mcast; |
| 2062 | } |
| 2063 | |
| 2064 | /* |
| 2065 | * For non-QoS this relies on the fact that both the uCode and |
| 2066 | * mac80211 use TID 0 (as they need to to avoid replay attacks) |
| 2067 | * for checking the IV in the frames. |
| 2068 | */ |
| 2069 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { |
| 2070 | ieee80211_get_key_rx_seq(key, i, &seq); |
| 2071 | tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); |
| 2072 | tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); |
| 2073 | /* wrapping isn't allowed, AP must rekey */ |
| 2074 | if (seq.tkip.iv32 > cur_rx_iv32) |
| 2075 | cur_rx_iv32 = seq.tkip.iv32; |
| 2076 | } |
| 2077 | |
| 2078 | ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); |
| 2079 | iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); |
| 2080 | ieee80211_get_tkip_rx_p1k(key, data->bssid, |
| 2081 | cur_rx_iv32 + 1, p1k); |
| 2082 | iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); |
| 2083 | |
| 2084 | memcpy(rx_mic_key, |
| 2085 | &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], |
| 2086 | IWLAGN_MIC_KEY_SIZE); |
| 2087 | |
| 2088 | data->use_tkip = true; |
| 2089 | data->use_rsc_tsc = true; |
| 2090 | break; |
| 2091 | case WLAN_CIPHER_SUITE_CCMP: |
| 2092 | if (sta) { |
| 2093 | u8 *pn = seq.ccmp.pn; |
| 2094 | |
| 2095 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; |
| 2096 | aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; |
| 2097 | |
| 2098 | ieee80211_get_key_tx_seq(key, &seq); |
| 2099 | aes_tx_sc->pn = cpu_to_le64( |
| 2100 | (u64)pn[5] | |
| 2101 | ((u64)pn[4] << 8) | |
| 2102 | ((u64)pn[3] << 16) | |
| 2103 | ((u64)pn[2] << 24) | |
| 2104 | ((u64)pn[1] << 32) | |
| 2105 | ((u64)pn[0] << 40)); |
| 2106 | } else |
| 2107 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; |
| 2108 | |
| 2109 | /* |
| 2110 | * For non-QoS this relies on the fact that both the uCode and |
| 2111 | * mac80211 use TID 0 for checking the IV in the frames. |
| 2112 | */ |
| 2113 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { |
| 2114 | u8 *pn = seq.ccmp.pn; |
| 2115 | |
| 2116 | ieee80211_get_key_rx_seq(key, i, &seq); |
| 2117 | aes_sc->pn = cpu_to_le64( |
| 2118 | (u64)pn[5] | |
| 2119 | ((u64)pn[4] << 8) | |
| 2120 | ((u64)pn[3] << 16) | |
| 2121 | ((u64)pn[2] << 24) | |
| 2122 | ((u64)pn[1] << 32) | |
| 2123 | ((u64)pn[0] << 40)); |
| 2124 | } |
| 2125 | data->use_rsc_tsc = true; |
| 2126 | break; |
| 2127 | } |
| 2128 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2129 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2130 | } |
| 2131 | |
| 2132 | static int iwlagn_mac_suspend(struct ieee80211_hw *hw, |
| 2133 | struct cfg80211_wowlan *wowlan) |
| 2134 | { |
| 2135 | struct iwl_priv *priv = hw->priv; |
| 2136 | struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; |
| 2137 | struct iwl_rxon_cmd rxon; |
| 2138 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
| 2139 | struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; |
| 2140 | struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; |
| 2141 | struct wowlan_key_data key_data = { |
| 2142 | .ctx = ctx, |
| 2143 | .bssid = ctx->active.bssid_addr, |
| 2144 | .use_rsc_tsc = false, |
| 2145 | .tkip = &tkip_cmd, |
| 2146 | .use_tkip = false, |
| 2147 | }; |
| 2148 | int ret, i; |
| 2149 | u16 seq; |
| 2150 | |
| 2151 | if (WARN_ON(!wowlan)) |
| 2152 | return -EINVAL; |
| 2153 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2154 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2155 | |
| 2156 | /* Don't attempt WoWLAN when not associated, tear down instead. */ |
| 2157 | if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || |
| 2158 | !iwl_is_associated_ctx(ctx)) { |
| 2159 | ret = 1; |
| 2160 | goto out; |
| 2161 | } |
| 2162 | |
| 2163 | key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); |
| 2164 | if (!key_data.rsc_tsc) { |
| 2165 | ret = -ENOMEM; |
| 2166 | goto out; |
| 2167 | } |
| 2168 | |
| 2169 | memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); |
| 2170 | |
| 2171 | /* |
| 2172 | * We know the last used seqno, and the uCode expects to know that |
| 2173 | * one, it will increment before TX. |
| 2174 | */ |
| 2175 | seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; |
| 2176 | wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); |
| 2177 | |
| 2178 | /* |
| 2179 | * For QoS counters, we store the one to use next, so subtract 0x10 |
| 2180 | * since the uCode will add 0x10 before using the value. |
| 2181 | */ |
| 2182 | for (i = 0; i < 8; i++) { |
Emmanuel Grumbach | 5f85a78 | 2011-08-25 23:11:18 -0700 | [diff] [blame] | 2183 | seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2184 | seq -= 0x10; |
| 2185 | wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); |
| 2186 | } |
| 2187 | |
| 2188 | if (wowlan->disconnect) |
| 2189 | wakeup_filter_cmd.enabled |= |
| 2190 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | |
| 2191 | IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); |
| 2192 | if (wowlan->magic_pkt) |
| 2193 | wakeup_filter_cmd.enabled |= |
| 2194 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); |
| 2195 | if (wowlan->gtk_rekey_failure) |
| 2196 | wakeup_filter_cmd.enabled |= |
| 2197 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); |
| 2198 | if (wowlan->eap_identity_req) |
| 2199 | wakeup_filter_cmd.enabled |= |
| 2200 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); |
| 2201 | if (wowlan->four_way_handshake) |
| 2202 | wakeup_filter_cmd.enabled |= |
| 2203 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); |
| 2204 | if (wowlan->rfkill_release) |
| 2205 | wakeup_filter_cmd.enabled |= |
| 2206 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); |
| 2207 | if (wowlan->n_patterns) |
| 2208 | wakeup_filter_cmd.enabled |= |
| 2209 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); |
| 2210 | |
| 2211 | iwl_scan_cancel_timeout(priv, 200); |
| 2212 | |
| 2213 | memcpy(&rxon, &ctx->active, sizeof(rxon)); |
| 2214 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 2215 | iwl_trans_stop_device(trans(priv)); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2216 | |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 2217 | priv->shrd->wowlan = true; |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2218 | |
| 2219 | ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, |
| 2220 | IWL_UCODE_WOWLAN); |
| 2221 | if (ret) |
| 2222 | goto error; |
| 2223 | |
| 2224 | /* now configure WoWLAN ucode */ |
| 2225 | ret = iwl_alive_start(priv); |
| 2226 | if (ret) |
| 2227 | goto error; |
| 2228 | |
| 2229 | memcpy(&ctx->staging, &rxon, sizeof(rxon)); |
| 2230 | ret = iwlagn_commit_rxon(priv, ctx); |
| 2231 | if (ret) |
| 2232 | goto error; |
| 2233 | |
| 2234 | ret = iwl_power_update_mode(priv, true); |
| 2235 | if (ret) |
| 2236 | goto error; |
| 2237 | |
| 2238 | if (!iwlagn_mod_params.sw_crypto) { |
| 2239 | /* mark all keys clear */ |
| 2240 | priv->ucode_key_table = 0; |
| 2241 | ctx->key_mapping_keys = 0; |
| 2242 | |
| 2243 | /* |
| 2244 | * This needs to be unlocked due to lock ordering |
| 2245 | * constraints. Since we're in the suspend path |
| 2246 | * that isn't really a problem though. |
| 2247 | */ |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2248 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2249 | ieee80211_iter_keys(priv->hw, ctx->vif, |
| 2250 | iwlagn_wowlan_program_keys, |
| 2251 | &key_data); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2252 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2253 | if (key_data.error) { |
| 2254 | ret = -EIO; |
| 2255 | goto error; |
| 2256 | } |
| 2257 | |
| 2258 | if (key_data.use_rsc_tsc) { |
| 2259 | struct iwl_host_cmd rsc_tsc_cmd = { |
| 2260 | .id = REPLY_WOWLAN_TSC_RSC_PARAMS, |
| 2261 | .flags = CMD_SYNC, |
| 2262 | .data[0] = key_data.rsc_tsc, |
| 2263 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, |
| 2264 | .len[0] = sizeof(*key_data.rsc_tsc), |
| 2265 | }; |
| 2266 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 2267 | ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2268 | if (ret) |
| 2269 | goto error; |
| 2270 | } |
| 2271 | |
| 2272 | if (key_data.use_tkip) { |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 2273 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2274 | REPLY_WOWLAN_TKIP_PARAMS, |
| 2275 | CMD_SYNC, sizeof(tkip_cmd), |
| 2276 | &tkip_cmd); |
| 2277 | if (ret) |
| 2278 | goto error; |
| 2279 | } |
| 2280 | |
| 2281 | if (priv->have_rekey_data) { |
| 2282 | memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); |
| 2283 | memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); |
| 2284 | kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); |
| 2285 | memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); |
| 2286 | kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); |
| 2287 | kek_kck_cmd.replay_ctr = priv->replay_ctr; |
| 2288 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 2289 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2290 | REPLY_WOWLAN_KEK_KCK_MATERIAL, |
| 2291 | CMD_SYNC, sizeof(kek_kck_cmd), |
| 2292 | &kek_kck_cmd); |
| 2293 | if (ret) |
| 2294 | goto error; |
| 2295 | } |
| 2296 | } |
| 2297 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 2298 | ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2299 | CMD_SYNC, sizeof(wakeup_filter_cmd), |
| 2300 | &wakeup_filter_cmd); |
| 2301 | if (ret) |
| 2302 | goto error; |
| 2303 | |
| 2304 | ret = iwlagn_send_patterns(priv, wowlan); |
| 2305 | if (ret) |
| 2306 | goto error; |
| 2307 | |
| 2308 | device_set_wakeup_enable(priv->bus->dev, true); |
| 2309 | |
| 2310 | /* Now let the ucode operate on its own */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2311 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2312 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
| 2313 | |
| 2314 | goto out; |
| 2315 | |
| 2316 | error: |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 2317 | priv->shrd->wowlan = false; |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2318 | iwlagn_prepare_restart(priv); |
| 2319 | ieee80211_restart_hw(priv->hw); |
| 2320 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2321 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2322 | kfree(key_data.rsc_tsc); |
| 2323 | return ret; |
| 2324 | } |
| 2325 | |
| 2326 | static int iwlagn_mac_resume(struct ieee80211_hw *hw) |
| 2327 | { |
| 2328 | struct iwl_priv *priv = hw->priv; |
| 2329 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
| 2330 | struct ieee80211_vif *vif; |
| 2331 | unsigned long flags; |
| 2332 | u32 base, status = 0xffffffff; |
| 2333 | int ret = -EIO; |
| 2334 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2335 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2336 | |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2337 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2338 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
| 2339 | |
| 2340 | base = priv->device_pointers.error_event_table; |
| 2341 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2342 | spin_lock_irqsave(&bus(priv)->reg_lock, flags); |
| 2343 | ret = iwl_grab_nic_access_silent(bus(priv)); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2344 | if (ret == 0) { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2345 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); |
| 2346 | status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
| 2347 | iwl_release_nic_access(bus(priv)); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2348 | } |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2349 | spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2350 | |
| 2351 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 2352 | if (ret == 0) { |
| 2353 | if (!priv->wowlan_sram) |
| 2354 | priv->wowlan_sram = |
| 2355 | kzalloc(priv->ucode_wowlan.data.len, |
| 2356 | GFP_KERNEL); |
| 2357 | |
| 2358 | if (priv->wowlan_sram) |
| 2359 | _iwl_read_targ_mem_words( |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 2360 | bus(priv), 0x800000, priv->wowlan_sram, |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2361 | priv->ucode_wowlan.data.len / 4); |
| 2362 | } |
| 2363 | #endif |
| 2364 | } |
| 2365 | |
| 2366 | /* we'll clear ctx->vif during iwlagn_prepare_restart() */ |
| 2367 | vif = ctx->vif; |
| 2368 | |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 2369 | priv->shrd->wowlan = false; |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2370 | |
| 2371 | device_set_wakeup_enable(priv->bus->dev, false); |
| 2372 | |
| 2373 | iwlagn_prepare_restart(priv); |
| 2374 | |
| 2375 | memset((void *)&ctx->active, 0, sizeof(ctx->active)); |
| 2376 | iwl_connection_init_rx_config(priv, ctx); |
| 2377 | iwlagn_set_rxon_chain(priv, ctx); |
| 2378 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2379 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2380 | |
| 2381 | ieee80211_resume_disconnect(vif); |
| 2382 | |
| 2383 | return 1; |
| 2384 | } |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 2385 | #endif |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 2386 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2387 | static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2388 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2389 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2390 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2391 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2392 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2393 | IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 2394 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2395 | |
Wey-Yi Guy | 74bcdb3 | 2010-03-17 13:34:34 -0700 | [diff] [blame] | 2396 | if (iwlagn_tx_skb(priv, skb)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2397 | dev_kfree_skb_any(skb); |
| 2398 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2399 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2400 | } |
| 2401 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2402 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
| 2403 | struct ieee80211_vif *vif, |
| 2404 | struct ieee80211_key_conf *keyconf, |
| 2405 | struct ieee80211_sta *sta, |
| 2406 | u32 iv32, u16 *phase1key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2407 | { |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2408 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2409 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2410 | iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); |
Emmanuel Grumbach | ab885f8 | 2008-03-20 15:06:43 +0200 | [diff] [blame] | 2411 | } |
| 2412 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2413 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2414 | struct ieee80211_vif *vif, |
| 2415 | struct ieee80211_sta *sta, |
| 2416 | struct ieee80211_key_conf *key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2417 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2418 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2419 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2420 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
Winkler, Tomas | 4298679 | 2009-01-19 15:30:22 -0800 | [diff] [blame] | 2421 | int ret; |
Winkler, Tomas | 4298679 | 2009-01-19 15:30:22 -0800 | [diff] [blame] | 2422 | bool is_default_wep_key = false; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2423 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2424 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2425 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 2426 | if (iwlagn_mod_params.sw_crypto) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2427 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2428 | return -EOPNOTSUPP; |
| 2429 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2430 | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2431 | /* |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2432 | * We could program these keys into the hardware as well, but we |
| 2433 | * don't expect much multicast traffic in IBSS and having keys |
| 2434 | * for more stations is probably more useful. |
| 2435 | * |
| 2436 | * Mark key TX-only and return 0. |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2437 | */ |
| 2438 | if (vif->type == NL80211_IFTYPE_ADHOC && |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2439 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
| 2440 | key->hw_key_idx = WEP_INVALID_OFFSET; |
| 2441 | return 0; |
| 2442 | } |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2443 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2444 | /* If they key was TX-only, accept deletion */ |
| 2445 | if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) |
| 2446 | return 0; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2447 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2448 | mutex_lock(&priv->shrd->mutex); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2449 | iwl_scan_cancel_timeout(priv, 100); |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2450 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2451 | BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); |
| 2452 | |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2453 | /* |
| 2454 | * If we are getting WEP group key and we didn't receive any key mapping |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2455 | * so far, we are in legacy wep mode (group key only), otherwise we are |
| 2456 | * in 1X mode. |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2457 | * In legacy wep mode, we use another host command to the uCode. |
| 2458 | */ |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2459 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2460 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2461 | if (cmd == SET_KEY) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2462 | is_default_wep_key = !ctx->key_mapping_keys; |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2463 | else |
Emmanuel Grumbach | ccc038a | 2008-05-15 13:54:09 +0800 | [diff] [blame] | 2464 | is_default_wep_key = |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2465 | key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2466 | } |
mabbas | 052c4b9 | 2007-10-25 17:15:43 +0800 | [diff] [blame] | 2467 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2468 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2469 | switch (cmd) { |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2470 | case SET_KEY: |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2471 | if (is_default_wep_key) { |
Johannes Berg | 2995baf | 2010-08-23 10:46:42 +0200 | [diff] [blame] | 2472 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2473 | break; |
| 2474 | } |
| 2475 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); |
| 2476 | if (ret) { |
| 2477 | /* |
| 2478 | * can't add key for RX, but we don't need it |
| 2479 | * in the device for TX so still return 0 |
| 2480 | */ |
| 2481 | ret = 0; |
| 2482 | key->hw_key_idx = WEP_INVALID_OFFSET; |
| 2483 | } |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2484 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2485 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2486 | break; |
| 2487 | case DISABLE_KEY: |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2488 | if (is_default_wep_key) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2489 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2490 | else |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame] | 2491 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2492 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2493 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2494 | break; |
| 2495 | default: |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2496 | ret = -EINVAL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2497 | } |
| 2498 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2499 | mutex_unlock(&priv->shrd->mutex); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2500 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2501 | |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2502 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2503 | } |
| 2504 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2505 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
| 2506 | struct ieee80211_vif *vif, |
| 2507 | enum ieee80211_ampdu_mlme_action action, |
| 2508 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 2509 | u8 buf_size) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2510 | { |
| 2511 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2512 | int ret = -EINVAL; |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2513 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
Emmanuel Grumbach | ba562f7 | 2011-08-25 23:11:22 -0700 | [diff] [blame] | 2514 | struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2515 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2516 | IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 2517 | sta->addr, tid); |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2518 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 2519 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2520 | return -EACCES; |
| 2521 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2522 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2523 | |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2524 | switch (action) { |
| 2525 | case IEEE80211_AMPDU_RX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2526 | IWL_DEBUG_HT(priv, "start Rx\n"); |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2527 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
| 2528 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2529 | case IEEE80211_AMPDU_RX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2530 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2531 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2532 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2533 | ret = 0; |
| 2534 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2535 | case IEEE80211_AMPDU_TX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2536 | IWL_DEBUG_HT(priv, "start Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2537 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2538 | if (ret == 0) { |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2539 | priv->agg_tids_count++; |
| 2540 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", |
| 2541 | priv->agg_tids_count); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2542 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2543 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2544 | case IEEE80211_AMPDU_TX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2545 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2546 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2547 | if ((ret == 0) && (priv->agg_tids_count > 0)) { |
| 2548 | priv->agg_tids_count--; |
| 2549 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", |
| 2550 | priv->agg_tids_count); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2551 | } |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2552 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2553 | ret = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2554 | if (priv->cfg->ht_params && |
| 2555 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2556 | /* |
| 2557 | * switch off RTS/CTS if it was previously enabled |
| 2558 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2559 | sta_priv->lq_sta.lq.general_params.flags &= |
| 2560 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Johannes Berg | 7e6a588 | 2010-08-23 10:46:46 +0200 | [diff] [blame] | 2561 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2562 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2563 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2564 | break; |
Wey-Yi Guy | f052797 | 2010-01-08 10:04:41 -0800 | [diff] [blame] | 2565 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Johannes Berg | c8823ec | 2011-03-15 11:33:03 -0700 | [diff] [blame] | 2566 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
| 2567 | |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 2568 | iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), |
Emmanuel Grumbach | ba562f7 | 2011-08-25 23:11:22 -0700 | [diff] [blame] | 2569 | tid, buf_size); |
Johannes Berg | c8823ec | 2011-03-15 11:33:03 -0700 | [diff] [blame] | 2570 | |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2571 | /* |
| 2572 | * If the limit is 0, then it wasn't initialised yet, |
| 2573 | * use the default. We can do that since we take the |
| 2574 | * minimum below, and we don't want to go above our |
| 2575 | * default due to hardware restrictions. |
| 2576 | */ |
| 2577 | if (sta_priv->max_agg_bufsize == 0) |
| 2578 | sta_priv->max_agg_bufsize = |
| 2579 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 2580 | |
| 2581 | /* |
| 2582 | * Even though in theory the peer could have different |
| 2583 | * aggregation reorder buffer sizes for different sessions, |
| 2584 | * our ucode doesn't allow for that and has a global limit |
| 2585 | * for each station. Therefore, use the minimum of all the |
| 2586 | * aggregation sessions and our default value. |
| 2587 | */ |
| 2588 | sta_priv->max_agg_bufsize = |
| 2589 | min(sta_priv->max_agg_bufsize, buf_size); |
| 2590 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2591 | if (priv->cfg->ht_params && |
| 2592 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2593 | /* |
| 2594 | * switch to RTS/CTS if it is the prefer protection |
| 2595 | * method for HT traffic |
| 2596 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2597 | |
| 2598 | sta_priv->lq_sta.lq.general_params.flags |= |
| 2599 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2600 | } |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2601 | |
| 2602 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = |
| 2603 | sta_priv->max_agg_bufsize; |
| 2604 | |
| 2605 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2606 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Wey-Yi Guy | 5bc9890 | 2011-05-27 08:40:32 -0700 | [diff] [blame] | 2607 | |
| 2608 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", |
| 2609 | sta->addr, tid); |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2610 | ret = 0; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2611 | break; |
| 2612 | } |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2613 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2614 | |
| 2615 | return ret; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2616 | } |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2617 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2618 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
| 2619 | struct ieee80211_vif *vif, |
| 2620 | struct ieee80211_sta *sta) |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2621 | { |
| 2622 | struct iwl_priv *priv = hw->priv; |
| 2623 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2624 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | eafdfbd3 | 2010-04-29 04:43:04 -0700 | [diff] [blame] | 2625 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2626 | int ret; |
| 2627 | u8 sta_id; |
| 2628 | |
| 2629 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", |
| 2630 | sta->addr); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2631 | mutex_lock(&priv->shrd->mutex); |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2632 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
| 2633 | sta->addr); |
| 2634 | sta_priv->common.sta_id = IWL_INVALID_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2635 | |
| 2636 | atomic_set(&sta_priv->pending_frames, 0); |
| 2637 | if (vif->type == NL80211_IFTYPE_AP) |
| 2638 | sta_priv->client = true; |
| 2639 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2640 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
Johannes Berg | 238d781 | 2010-08-23 10:46:45 +0200 | [diff] [blame] | 2641 | is_ap, sta, &sta_id); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2642 | if (ret) { |
| 2643 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", |
| 2644 | sta->addr, ret); |
| 2645 | /* Should we return success if return code is EEXIST ? */ |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2646 | mutex_unlock(&priv->shrd->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2647 | return ret; |
| 2648 | } |
| 2649 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2650 | sta_priv->common.sta_id = sta_id; |
| 2651 | |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2652 | /* Initialize rate scaling */ |
Frans Pop | 91dd6c2 | 2010-03-24 14:19:58 -0700 | [diff] [blame] | 2653 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2654 | sta->addr); |
| 2655 | iwl_rs_rate_init(priv, sta, sta_id); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2656 | mutex_unlock(&priv->shrd->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2657 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2658 | return 0; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2659 | } |
| 2660 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2661 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
| 2662 | struct ieee80211_channel_switch *ch_switch) |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2663 | { |
| 2664 | struct iwl_priv *priv = hw->priv; |
| 2665 | const struct iwl_channel_info *ch_info; |
| 2666 | struct ieee80211_conf *conf = &hw->conf; |
Shanyu Zhao | aa2dc6b | 2010-07-28 13:40:39 -0700 | [diff] [blame] | 2667 | struct ieee80211_channel *channel = ch_switch->channel; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2668 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2669 | /* |
| 2670 | * MULTI-FIXME |
| 2671 | * When we add support for multiple interfaces, we need to |
| 2672 | * revisit this. The channel switch command in the device |
| 2673 | * only affects the BSS context, but what does that really |
| 2674 | * mean? And what if we get a CSA on the second interface? |
| 2675 | * This needs a lot of work. |
| 2676 | */ |
| 2677 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2678 | u16 ch; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2679 | |
| 2680 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2681 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2682 | mutex_lock(&priv->shrd->mutex); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2683 | |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 2684 | if (iwl_is_rfkill(priv->shrd)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2685 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2686 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2687 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
| 2688 | test_bit(STATUS_SCANNING, &priv->shrd->status) || |
| 2689 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2690 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2691 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2692 | if (!iwl_is_associated_ctx(ctx)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2693 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2694 | |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 2695 | if (!priv->cfg->lib->set_channel_switch) |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2696 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2697 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2698 | ch = channel->hw_value; |
| 2699 | if (le16_to_cpu(ctx->active.channel) == ch) |
| 2700 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2701 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2702 | ch_info = iwl_get_channel_info(priv, channel->band, ch); |
| 2703 | if (!is_channel_valid(ch_info)) { |
| 2704 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); |
| 2705 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2706 | } |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2707 | |
Emmanuel Grumbach | 10b15e6 | 2011-08-25 23:10:43 -0700 | [diff] [blame] | 2708 | spin_lock_irq(&priv->shrd->lock); |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2709 | |
| 2710 | priv->current_ht_config.smps = conf->smps_mode; |
| 2711 | |
| 2712 | /* Configure HT40 channels */ |
| 2713 | ctx->ht.enabled = conf_is_ht(conf); |
| 2714 | if (ctx->ht.enabled) { |
| 2715 | if (conf_is_ht40_minus(conf)) { |
| 2716 | ctx->ht.extension_chan_offset = |
| 2717 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 2718 | ctx->ht.is_40mhz = true; |
| 2719 | } else if (conf_is_ht40_plus(conf)) { |
| 2720 | ctx->ht.extension_chan_offset = |
| 2721 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 2722 | ctx->ht.is_40mhz = true; |
| 2723 | } else { |
| 2724 | ctx->ht.extension_chan_offset = |
| 2725 | IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 2726 | ctx->ht.is_40mhz = false; |
| 2727 | } |
| 2728 | } else |
| 2729 | ctx->ht.is_40mhz = false; |
| 2730 | |
| 2731 | if ((le16_to_cpu(ctx->staging.channel) != ch)) |
| 2732 | ctx->staging.flags = 0; |
| 2733 | |
| 2734 | iwl_set_rxon_channel(priv, channel, ctx); |
| 2735 | iwl_set_rxon_ht(priv, ht_conf); |
| 2736 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); |
| 2737 | |
Emmanuel Grumbach | 10b15e6 | 2011-08-25 23:10:43 -0700 | [diff] [blame] | 2738 | spin_unlock_irq(&priv->shrd->lock); |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2739 | |
| 2740 | iwl_set_rate(priv); |
| 2741 | /* |
| 2742 | * at this point, staging_rxon has the |
| 2743 | * configuration for channel switch |
| 2744 | */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2745 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2746 | priv->switch_channel = cpu_to_le16(ch); |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 2747 | if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2748 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2749 | priv->switch_channel = 0; |
| 2750 | ieee80211_chswitch_done(ctx->vif, false); |
| 2751 | } |
| 2752 | |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2753 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2754 | mutex_unlock(&priv->shrd->mutex); |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2755 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2756 | } |
| 2757 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2758 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
| 2759 | unsigned int changed_flags, |
| 2760 | unsigned int *total_flags, |
| 2761 | u64 multicast) |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2762 | { |
| 2763 | struct iwl_priv *priv = hw->priv; |
| 2764 | __le32 filter_or = 0, filter_nand = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2765 | struct iwl_rxon_context *ctx; |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2766 | |
| 2767 | #define CHK(test, flag) do { \ |
| 2768 | if (*total_flags & (test)) \ |
| 2769 | filter_or |= (flag); \ |
| 2770 | else \ |
| 2771 | filter_nand |= (flag); \ |
| 2772 | } while (0) |
| 2773 | |
| 2774 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", |
| 2775 | changed_flags, *total_flags); |
| 2776 | |
| 2777 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); |
Johannes Berg | bdb84fe | 2010-12-15 06:07:56 -0800 | [diff] [blame] | 2778 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
| 2779 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2780 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
| 2781 | |
| 2782 | #undef CHK |
| 2783 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2784 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2785 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2786 | for_each_context(priv, ctx) { |
| 2787 | ctx->staging.filter_flags &= ~filter_nand; |
| 2788 | ctx->staging.filter_flags |= filter_or; |
Stanislaw Gruszka | 749ff4ef | 2010-10-22 17:04:27 +0200 | [diff] [blame] | 2789 | |
| 2790 | /* |
| 2791 | * Not committing directly because hardware can perform a scan, |
| 2792 | * but we'll eventually commit the filter flags change anyway. |
| 2793 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2794 | } |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2795 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2796 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2797 | |
| 2798 | /* |
| 2799 | * Receiving all multicast frames is always enabled by the |
| 2800 | * default flags setup in iwl_connection_init_rx_config() |
| 2801 | * since we currently do not support programming multicast |
| 2802 | * filters into the device. |
| 2803 | */ |
| 2804 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | |
| 2805 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; |
| 2806 | } |
| 2807 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2808 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2809 | { |
| 2810 | struct iwl_priv *priv = hw->priv; |
| 2811 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2812 | mutex_lock(&priv->shrd->mutex); |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2813 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2814 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2815 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2816 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
| 2817 | goto done; |
| 2818 | } |
Emmanuel Grumbach | 845a9c0 | 2011-08-25 23:11:04 -0700 | [diff] [blame] | 2819 | if (iwl_is_rfkill(priv->shrd)) { |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2820 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
| 2821 | goto done; |
| 2822 | } |
| 2823 | |
| 2824 | /* |
| 2825 | * mac80211 will not push any more frames for transmit |
| 2826 | * until the flush is completed |
| 2827 | */ |
| 2828 | if (drop) { |
| 2829 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 2830 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2831 | IWL_ERR(priv, "flush request fail\n"); |
| 2832 | goto done; |
| 2833 | } |
| 2834 | } |
| 2835 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 2836 | iwl_trans_wait_tx_queue_empty(trans(priv)); |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2837 | done: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2838 | mutex_unlock(&priv->shrd->mutex); |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2839 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2840 | } |
| 2841 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2842 | void iwlagn_disable_roc(struct iwl_priv *priv) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2843 | { |
| 2844 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2845 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2846 | lockdep_assert_held(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2847 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2848 | if (!priv->hw_roc_setup) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2849 | return; |
| 2850 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2851 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2852 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2853 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2854 | priv->hw_roc_channel = NULL; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2855 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2856 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
| 2857 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 2858 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2859 | |
| 2860 | ctx->is_active = false; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2861 | priv->hw_roc_setup = false; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2862 | } |
| 2863 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2864 | static void iwlagn_disable_roc_work(struct work_struct *work) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2865 | { |
| 2866 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2867 | hw_roc_disable_work.work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2868 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2869 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2870 | iwlagn_disable_roc(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2871 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2872 | } |
| 2873 | |
| 2874 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, |
| 2875 | struct ieee80211_channel *channel, |
| 2876 | enum nl80211_channel_type channel_type, |
| 2877 | int duration) |
| 2878 | { |
| 2879 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2880 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2881 | int err = 0; |
| 2882 | |
| 2883 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 2884 | return -EOPNOTSUPP; |
| 2885 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2886 | if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2887 | return -EOPNOTSUPP; |
| 2888 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2889 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2890 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2891 | /* |
| 2892 | * TODO: Remove this hack! Firmware needs to be updated |
| 2893 | * to allow longer off-channel periods in scanning for |
| 2894 | * this use case, based on a flag (and we'll need an API |
| 2895 | * flag in the firmware when it has that). |
| 2896 | */ |
| 2897 | if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && duration > 80) |
| 2898 | duration = 80; |
| 2899 | |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 2900 | if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2901 | err = -EBUSY; |
| 2902 | goto out; |
| 2903 | } |
| 2904 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2905 | priv->hw_roc_channel = channel; |
| 2906 | priv->hw_roc_chantype = channel_type; |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2907 | priv->hw_roc_duration = duration; |
| 2908 | cancel_delayed_work(&priv->hw_roc_disable_work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2909 | |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2910 | if (!ctx->is_active) { |
| 2911 | ctx->is_active = true; |
| 2912 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
| 2913 | memcpy(ctx->staging.node_addr, |
| 2914 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, |
| 2915 | ETH_ALEN); |
| 2916 | memcpy(ctx->staging.bssid_addr, |
| 2917 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, |
| 2918 | ETH_ALEN); |
| 2919 | err = iwlagn_commit_rxon(priv, ctx); |
| 2920 | if (err) |
| 2921 | goto out; |
| 2922 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | |
| 2923 | RXON_FILTER_PROMISC_MSK | |
| 2924 | RXON_FILTER_CTL2HOST_MSK; |
| 2925 | |
| 2926 | err = iwlagn_commit_rxon(priv, ctx); |
| 2927 | if (err) { |
| 2928 | iwlagn_disable_roc(priv); |
| 2929 | goto out; |
| 2930 | } |
| 2931 | priv->hw_roc_setup = true; |
| 2932 | } |
| 2933 | |
| 2934 | err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); |
| 2935 | if (err) |
| 2936 | iwlagn_disable_roc(priv); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2937 | |
| 2938 | out: |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2939 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2940 | |
| 2941 | return err; |
| 2942 | } |
| 2943 | |
| 2944 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) |
| 2945 | { |
| 2946 | struct iwl_priv *priv = hw->priv; |
| 2947 | |
| 2948 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 2949 | return -EOPNOTSUPP; |
| 2950 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2951 | mutex_lock(&priv->shrd->mutex); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2952 | iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2953 | iwlagn_disable_roc(priv); |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 2954 | mutex_unlock(&priv->shrd->mutex); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2955 | |
| 2956 | return 0; |
| 2957 | } |
| 2958 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2959 | /***************************************************************************** |
| 2960 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2961 | * driver setup and teardown |
| 2962 | * |
| 2963 | *****************************************************************************/ |
| 2964 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2965 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2966 | { |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 2967 | priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2968 | |
| 2969 | init_waitqueue_head(&priv->wait_command_queue); |
| 2970 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2971 | INIT_WORK(&priv->restart, iwl_bg_restart); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2972 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 2973 | 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] | 2974 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2975 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 2976 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 2977 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
| 2978 | iwlagn_disable_roc_work); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2979 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2980 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2981 | |
Emmanuel Grumbach | 6bd4dba | 2011-07-03 15:45:34 +0300 | [diff] [blame] | 2982 | if (priv->cfg->lib->bt_setup_deferred_work) |
| 2983 | priv->cfg->lib->bt_setup_deferred_work(priv); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2984 | |
| 2985 | init_timer(&priv->statistics_periodic); |
| 2986 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2987 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2988 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 2989 | init_timer(&priv->ucode_trace); |
| 2990 | priv->ucode_trace.data = (unsigned long)priv; |
| 2991 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 2992 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 2993 | init_timer(&priv->watchdog); |
| 2994 | priv->watchdog.data = (unsigned long)priv; |
| 2995 | priv->watchdog.function = iwl_bg_watchdog; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2996 | } |
| 2997 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2998 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2999 | { |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 3000 | if (priv->cfg->lib->cancel_deferred_work) |
| 3001 | priv->cfg->lib->cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3002 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 3003 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3004 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 3005 | |
| 3006 | iwl_cancel_scan_deferred_work(priv); |
| 3007 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3008 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 3009 | cancel_work_sync(&priv->bt_runtime_config); |
Johannes Berg | c6baf7f | 2011-07-23 10:24:47 -0700 | [diff] [blame] | 3010 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 3011 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3012 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 3013 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3014 | } |
| 3015 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3016 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
| 3017 | struct ieee80211_rate *rates) |
| 3018 | { |
| 3019 | int i; |
| 3020 | |
| 3021 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 3022 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 3023 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 3024 | rates[i].hw_value_short = i; |
| 3025 | rates[i].flags = 0; |
| 3026 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 3027 | /* |
| 3028 | * If CCK != 1M then set short preamble rate flag. |
| 3029 | */ |
| 3030 | rates[i].flags |= |
| 3031 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 3032 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 3033 | } |
| 3034 | } |
| 3035 | } |
| 3036 | |
| 3037 | static int iwl_init_drv(struct iwl_priv *priv) |
| 3038 | { |
| 3039 | int ret; |
| 3040 | |
Emmanuel Grumbach | f39c95e | 2011-08-25 23:10:47 -0700 | [diff] [blame] | 3041 | spin_lock_init(&priv->shrd->sta_lock); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3042 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 3043 | mutex_init(&priv->shrd->mutex); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3044 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3045 | priv->ieee_channels = NULL; |
| 3046 | priv->ieee_rates = NULL; |
| 3047 | priv->band = IEEE80211_BAND_2GHZ; |
| 3048 | |
| 3049 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 3050 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 3051 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 3052 | priv->agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3053 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 3054 | /* initialize force reset */ |
| 3055 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 3056 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 3057 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 3058 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3059 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 3060 | priv->rx_statistics_jiffies = jiffies; |
| 3061 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3062 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 3063 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3064 | |
| 3065 | iwl_init_scan_params(priv); |
| 3066 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3067 | /* init bt coex */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 3068 | if (priv->cfg->bt_params && |
| 3069 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 3070 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 3071 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 3072 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3073 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 3074 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 3075 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3076 | } |
| 3077 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3078 | ret = iwl_init_channel_map(priv); |
| 3079 | if (ret) { |
| 3080 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 3081 | goto err; |
| 3082 | } |
| 3083 | |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 3084 | ret = iwl_init_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3085 | if (ret) { |
| 3086 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 3087 | goto err_free_channel_map; |
| 3088 | } |
| 3089 | iwl_init_hw_rates(priv, priv->ieee_rates); |
| 3090 | |
| 3091 | return 0; |
| 3092 | |
| 3093 | err_free_channel_map: |
| 3094 | iwl_free_channel_map(priv); |
| 3095 | err: |
| 3096 | return ret; |
| 3097 | } |
| 3098 | |
| 3099 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 3100 | { |
| 3101 | iwl_calib_free_results(priv); |
Wey-Yi Guy | b39488a | 2011-08-25 23:10:33 -0700 | [diff] [blame] | 3102 | iwl_free_geos(priv); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3103 | iwl_free_channel_map(priv); |
Emmanuel Grumbach | dfa2bdb | 2011-08-25 23:11:23 -0700 | [diff] [blame] | 3104 | if (priv->tx_cmd_pool) |
| 3105 | kmem_cache_destroy(priv->tx_cmd_pool); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 3106 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 3107 | kfree(priv->beacon_cmd); |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 3108 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 3109 | kfree(priv->wowlan_sram); |
| 3110 | #endif |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3111 | } |
| 3112 | |
Wey-Yi Guy | 3a3b14c | 2011-07-08 08:46:24 -0700 | [diff] [blame] | 3113 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3114 | enum ieee80211_rssi_event rssi_event) |
| 3115 | { |
| 3116 | struct iwl_priv *priv = hw->priv; |
| 3117 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 3118 | mutex_lock(&priv->shrd->mutex); |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3119 | |
| 3120 | if (priv->cfg->bt_params && |
| 3121 | priv->cfg->bt_params->advanced_bt_coexist) { |
| 3122 | if (rssi_event == RSSI_EVENT_LOW) |
| 3123 | priv->bt_enable_pspoll = true; |
| 3124 | else if (rssi_event == RSSI_EVENT_HIGH) |
| 3125 | priv->bt_enable_pspoll = false; |
| 3126 | |
| 3127 | iwlagn_send_advance_bt_config(priv); |
| 3128 | } else { |
| 3129 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," |
| 3130 | "ignoring RSSI callback\n"); |
| 3131 | } |
| 3132 | |
Emmanuel Grumbach | 6ac2f83 | 2011-08-25 23:10:44 -0700 | [diff] [blame] | 3133 | mutex_unlock(&priv->shrd->mutex); |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3134 | } |
| 3135 | |
Johannes Berg | dc21b54 | 2010-10-23 09:15:39 -0700 | [diff] [blame] | 3136 | struct ieee80211_ops iwlagn_hw_ops = { |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3137 | .tx = iwlagn_mac_tx, |
| 3138 | .start = iwlagn_mac_start, |
| 3139 | .stop = iwlagn_mac_stop, |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 3140 | #ifdef CONFIG_PM |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 3141 | .suspend = iwlagn_mac_suspend, |
| 3142 | .resume = iwlagn_mac_resume, |
David S. Miller | 2629313 | 2011-07-24 13:09:32 -0700 | [diff] [blame] | 3143 | #endif |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3144 | .add_interface = iwl_mac_add_interface, |
| 3145 | .remove_interface = iwl_mac_remove_interface, |
Johannes Berg | d4daaea | 2010-10-23 09:15:43 -0700 | [diff] [blame] | 3146 | .change_interface = iwl_mac_change_interface, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3147 | .config = iwlagn_mac_config, |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3148 | .configure_filter = iwlagn_configure_filter, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3149 | .set_key = iwlagn_mac_set_key, |
| 3150 | .update_tkip_key = iwlagn_mac_update_tkip_key, |
Johannes Berg | c8ac61c | 2011-07-15 13:23:45 -0700 | [diff] [blame] | 3151 | .set_rekey_data = iwlagn_mac_set_rekey_data, |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3152 | .conf_tx = iwl_mac_conf_tx, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3153 | .bss_info_changed = iwlagn_bss_info_changed, |
| 3154 | .ampdu_action = iwlagn_mac_ampdu_action, |
Johannes Berg | 6ab10ff | 2009-11-13 11:56:37 -0800 | [diff] [blame] | 3155 | .hw_scan = iwl_mac_hw_scan, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3156 | .sta_notify = iwlagn_mac_sta_notify, |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 3157 | .sta_add = iwlagn_mac_sta_add, |
| 3158 | .sta_remove = iwl_mac_sta_remove, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3159 | .channel_switch = iwlagn_mac_channel_switch, |
| 3160 | .flush = iwlagn_mac_flush, |
Johannes Berg | a85d7cc | 2010-07-31 08:34:10 -0700 | [diff] [blame] | 3161 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3162 | .remain_on_channel = iwl_mac_remain_on_channel, |
| 3163 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3164 | .rssi_callback = iwl_mac_rssi_callback, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 3165 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 3166 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3167 | }; |
| 3168 | |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3169 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 3170 | { |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 3171 | return iwl_read32(bus(priv), CSR_HW_REV); |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 3172 | } |
| 3173 | |
Emmanuel Grumbach | dda61a4 | 2011-08-25 23:11:11 -0700 | [diff] [blame] | 3174 | /* Size of one Rx buffer in host DRAM */ |
| 3175 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) |
| 3176 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) |
| 3177 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3178 | static int iwl_set_hw_params(struct iwl_priv *priv) |
| 3179 | { |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 3180 | if (iwlagn_mod_params.amsdu_size_8K) |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 3181 | hw_params(priv).rx_page_order = |
| 3182 | get_order(IWL_RX_BUF_SIZE_8K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3183 | else |
Emmanuel Grumbach | d618912 | 2011-08-25 23:10:39 -0700 | [diff] [blame] | 3184 | hw_params(priv).rx_page_order = |
| 3185 | get_order(IWL_RX_BUF_SIZE_4K); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3186 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 3187 | if (iwlagn_mod_params.disable_11n) |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 3188 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3189 | |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 3190 | hw_params(priv).num_ampdu_queues = |
| 3191 | priv->cfg->base_params->num_of_ampdu_queues; |
| 3192 | hw_params(priv).shadow_reg_enable = |
| 3193 | priv->cfg->base_params->shadow_reg_enable; |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 3194 | hw_params(priv).sku = priv->cfg->sku; |
| 3195 | hw_params(priv).wd_timeout = priv->cfg->base_params->wd_timeout; |
Emmanuel Grumbach | fd65693 | 2011-08-25 23:11:19 -0700 | [diff] [blame] | 3196 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3197 | /* Device-specific setup */ |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 3198 | return priv->cfg->lib->set_hw_params(priv); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3199 | } |
| 3200 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 3201 | /* This function both allocates and initializes hw and priv. */ |
| 3202 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) |
| 3203 | { |
| 3204 | struct iwl_priv *priv; |
| 3205 | /* mac80211 allocates memory for this device instance, including |
| 3206 | * space for this driver's private structure */ |
| 3207 | struct ieee80211_hw *hw; |
| 3208 | |
| 3209 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); |
| 3210 | if (hw == NULL) { |
| 3211 | pr_err("%s: Can not allocate network device\n", |
| 3212 | cfg->name); |
| 3213 | goto out; |
| 3214 | } |
| 3215 | |
| 3216 | priv = hw->priv; |
| 3217 | priv->hw = hw; |
| 3218 | |
| 3219 | out: |
| 3220 | return hw; |
| 3221 | } |
| 3222 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3223 | int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, |
| 3224 | struct iwl_cfg *cfg) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3225 | { |
| 3226 | int err = 0; |
| 3227 | struct iwl_priv *priv; |
| 3228 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3229 | u16 num_mac; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3230 | u32 hw_rev; |
| 3231 | |
| 3232 | /************************ |
| 3233 | * 1. Allocating HW data |
| 3234 | ************************/ |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3235 | hw = iwl_alloc_all(cfg); |
| 3236 | if (!hw) { |
| 3237 | err = -ENOMEM; |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 3238 | goto out; |
| 3239 | } |
| 3240 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3241 | priv = hw->priv; |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3242 | priv->bus = bus; |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 3243 | priv->shrd = &priv->_shrd; |
| 3244 | priv->shrd->bus = bus; |
| 3245 | priv->shrd->priv = priv; |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame^] | 3246 | priv->shrd->hw = hw; |
Emmanuel Grumbach | cac988a | 2011-08-25 23:10:37 -0700 | [diff] [blame] | 3247 | bus_set_drv_data(priv->bus, priv->shrd); |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3248 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3249 | priv->shrd->trans = trans_ops->alloc(priv->shrd); |
| 3250 | if (priv->shrd->trans == NULL) { |
| 3251 | err = -ENOMEM; |
| 3252 | goto out_free_traffic_mem; |
| 3253 | } |
| 3254 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3255 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 3256 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3257 | SET_IEEE80211_DEV(hw, priv->bus->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3258 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3259 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Tomas Winkler | 82b9a12 | 2008-03-04 18:09:30 -0800 | [diff] [blame] | 3260 | priv->cfg = cfg; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3261 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3262 | /* is antenna coupling more than 35dB ? */ |
| 3263 | priv->bt_ant_couple_ok = |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3264 | (iwlagn_mod_params.ant_coupling > |
| 3265 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 3266 | true : false; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3267 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3268 | /* enable/disable bt channel inhibition */ |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3269 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3270 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 3271 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3272 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3273 | if (iwl_alloc_traffic_mem(priv)) |
| 3274 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3275 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 3276 | /* 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] | 3277 | * we should init now |
| 3278 | */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 3279 | spin_lock_init(&bus(priv)->reg_lock); |
Emmanuel Grumbach | 10b15e6 | 2011-08-25 23:10:43 -0700 | [diff] [blame] | 3280 | spin_lock_init(&priv->shrd->lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 3281 | |
| 3282 | /* |
| 3283 | * stop and reset the on-board processor just in case it is in a |
| 3284 | * strange state ... like being left stranded by a primary kernel |
| 3285 | * and this is now the kdump kernel trying to start up |
| 3286 | */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 3287 | iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 3288 | |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3289 | /*********************** |
| 3290 | * 3. Read REV register |
| 3291 | ***********************/ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3292 | hw_rev = iwl_hw_detect(priv); |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 3293 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3294 | priv->cfg->name, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3295 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3296 | err = iwl_trans_request_irq(trans(priv)); |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 3297 | if (err) |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3298 | goto out_free_trans; |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 3299 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3300 | if (iwl_trans_prepare_card_hw(trans(priv))) { |
Emmanuel Grumbach | bcd4fe2 | 2011-06-09 02:55:54 -0700 | [diff] [blame] | 3301 | err = -EIO; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3302 | IWL_WARN(priv, "Failed, HW not ready\n"); |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 3303 | goto out_free_trans; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3304 | } |
| 3305 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3306 | /***************** |
| 3307 | * 4. Read EEPROM |
| 3308 | *****************/ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3309 | /* Read the EEPROM */ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3310 | err = iwl_eeprom_init(priv, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3311 | if (err) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3312 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 3313 | goto out_free_trans; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3314 | } |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3315 | err = iwl_eeprom_check_version(priv); |
| 3316 | if (err) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 3317 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3318 | |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 3319 | err = iwl_eeprom_check_sku(priv); |
| 3320 | if (err) |
| 3321 | goto out_free_eeprom; |
| 3322 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 3323 | /* extract MAC Address */ |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 3324 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
| 3325 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 3326 | priv->hw->wiphy->addresses = priv->addresses; |
| 3327 | priv->hw->wiphy->n_addresses = 1; |
| 3328 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
| 3329 | if (num_mac > 1) { |
| 3330 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 3331 | ETH_ALEN); |
| 3332 | priv->addresses[1].addr[5]++; |
| 3333 | priv->hw->wiphy->n_addresses++; |
| 3334 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3335 | |
| 3336 | /************************ |
| 3337 | * 5. Setup HW constants |
| 3338 | ************************/ |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 3339 | if (iwl_set_hw_params(priv)) { |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3340 | err = -ENOENT; |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3341 | IWL_ERR(priv, "failed to set hw parameters\n"); |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3342 | goto out_free_eeprom; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3343 | } |
| 3344 | |
| 3345 | /******************* |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3346 | * 6. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3347 | *******************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3348 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3349 | err = iwl_init_drv(priv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3350 | if (err) |
Ron Rindjunsky | 399f490 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 3351 | goto out_free_eeprom; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3352 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3353 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3354 | /******************** |
Abhijeet Kolekar | 09f9bf7 | 2009-04-20 14:37:03 -0700 | [diff] [blame] | 3355 | * 7. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3356 | ********************/ |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3357 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 3358 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 3359 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3360 | |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3361 | /********************************************* |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3362 | * 8. Enable interrupts |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3363 | *********************************************/ |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3364 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 3365 | iwl_enable_rfkill_int(priv); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3366 | |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3367 | /* If platform's RF_KILL switch is NOT set to KILL */ |
Emmanuel Grumbach | 83ed901 | 2011-08-25 23:11:14 -0700 | [diff] [blame] | 3368 | if (iwl_read32(bus(priv), |
| 3369 | CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 3370 | clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3371 | else |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 3372 | set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3373 | |
Johannes Berg | a60e77e | 2009-06-04 18:26:06 +0200 | [diff] [blame] | 3374 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 3375 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3376 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 3377 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3378 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3379 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 3380 | init_completion(&priv->firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3381 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 3382 | err = iwl_request_firmware(priv, true); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3383 | if (err) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 3384 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3385 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3386 | return 0; |
| 3387 | |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3388 | out_destroy_workqueue: |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 3389 | destroy_workqueue(priv->shrd->workqueue); |
| 3390 | priv->shrd->workqueue = NULL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3391 | iwl_uninit_drv(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3392 | out_free_eeprom: |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3393 | iwl_eeprom_free(priv); |
Emmanuel Grumbach | 1e89cbac | 2011-07-20 17:51:22 -0700 | [diff] [blame] | 3394 | out_free_trans: |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3395 | iwl_trans_free(trans(priv)); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3396 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3397 | iwl_free_traffic_mem(priv); |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 3398 | ieee80211_free_hw(priv->hw); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3399 | out: |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3400 | return err; |
| 3401 | } |
| 3402 | |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3403 | void __devexit iwl_remove(struct iwl_priv * priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3404 | { |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 3405 | wait_for_completion(&priv->firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3406 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3407 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3408 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3409 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3410 | sysfs_remove_group(&priv->bus->dev->kobj, |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3411 | &iwl_attribute_group); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3412 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3413 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
| 3414 | * to be called and iwl_down since we are removing the device |
Gregory Greenman | 0b124c3 | 2008-09-03 11:18:50 +0800 | [diff] [blame] | 3415 | * we need to set STATUS_EXIT_PENDING bit. |
| 3416 | */ |
Emmanuel Grumbach | 63013ae | 2011-08-25 23:10:42 -0700 | [diff] [blame] | 3417 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3418 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 3419 | iwl_testmode_cleanup(priv); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3420 | iwl_leds_exit(priv); |
| 3421 | |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame^] | 3422 | if (priv->shrd->mac80211_registered) { |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 3423 | ieee80211_unregister_hw(priv->hw); |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame^] | 3424 | priv->shrd->mac80211_registered = 0; |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 3425 | } |
| 3426 | |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3427 | iwl_tt_exit(priv); |
| 3428 | |
Emmanuel Grumbach | ae2c30b | 2011-08-25 23:11:20 -0700 | [diff] [blame] | 3429 | /*This will stop the queues, move the device to low power state */ |
| 3430 | iwl_trans_stop_device(trans(priv)); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3431 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3432 | iwl_dealloc_ucode(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3433 | |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3434 | iwl_eeprom_free(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3435 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 3436 | /*netif_stop_queue(dev); */ |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 3437 | flush_workqueue(priv->shrd->workqueue); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 3438 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3439 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 3440 | * priv->shrd->workqueue... so we can't take down the workqueue |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3441 | * until now... */ |
Emmanuel Grumbach | 74e28e4 | 2011-08-25 23:10:41 -0700 | [diff] [blame] | 3442 | destroy_workqueue(priv->shrd->workqueue); |
| 3443 | priv->shrd->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3444 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3445 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 3446 | iwl_trans_free(trans(priv)); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3447 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3448 | bus_set_drv_data(priv->bus, NULL); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3449 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3450 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3451 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 3452 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3453 | |
| 3454 | ieee80211_free_hw(priv->hw); |
| 3455 | } |
| 3456 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3457 | |
| 3458 | /***************************************************************************** |
| 3459 | * |
| 3460 | * driver and module entry point |
| 3461 | * |
| 3462 | *****************************************************************************/ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3463 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3464 | { |
| 3465 | |
| 3466 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3467 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 3468 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3469 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3470 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3471 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3472 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3473 | return ret; |
| 3474 | } |
| 3475 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3476 | ret = iwl_pci_register_driver(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3477 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3478 | if (ret) |
| 3479 | goto error_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3480 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3481 | |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3482 | error_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3483 | iwlagn_rate_control_unregister(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3484 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3485 | } |
| 3486 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3487 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3488 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3489 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3490 | iwlagn_rate_control_unregister(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3491 | } |
| 3492 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3493 | module_exit(iwl_exit); |
| 3494 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3495 | |
| 3496 | #ifdef CONFIG_IWLWIFI_DEBUG |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3497 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
| 3498 | S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3499 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 3500 | #endif |
| 3501 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3502 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 3503 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3504 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
| 3505 | MODULE_PARM_DESC(queues_num, "number of hw queues."); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3506 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
| 3507 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3508 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 3509 | int, S_IRUGO); |
| 3510 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3511 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 3512 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 3513 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3514 | module_param_named(ucode_alternative, |
| 3515 | iwlagn_mod_params.wanted_ucode_alternative, |
| 3516 | int, S_IRUGO); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 3517 | MODULE_PARM_DESC(ucode_alternative, |
| 3518 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3519 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3520 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
| 3521 | int, S_IRUGO); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3522 | MODULE_PARM_DESC(antenna_coupling, |
| 3523 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3524 | |
Emmanuel Grumbach | 48f20d3 | 2011-08-25 23:10:36 -0700 | [diff] [blame] | 3525 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
| 3526 | bool, S_IRUGO); |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3527 | MODULE_PARM_DESC(bt_ch_inhibition, |
Wey-Yi Guy | fee84f0d | 2011-08-25 23:10:57 -0700 | [diff] [blame] | 3528 | "Enable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 3529 | |
| 3530 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 3531 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 3532 | |
| 3533 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 3534 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3535 | |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 3536 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
| 3537 | MODULE_PARM_DESC(wd_disable, |
| 3538 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); |
| 3539 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3540 | /* |
| 3541 | * set bt_coex_active to true, uCode will do kill/defer |
| 3542 | * every time the priority line is asserted (BT is sending signals on the |
| 3543 | * priority line in the PCIx). |
| 3544 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 3545 | * perform the normal operation |
| 3546 | * |
| 3547 | * User might experience transmit issue on some platform due to WiFi/BT |
| 3548 | * co-exist problem. The possible behaviors are: |
| 3549 | * Able to scan and finding all the available AP |
| 3550 | * Not able to associate with any AP |
| 3551 | * On those platforms, WiFi communication can be restored by set |
| 3552 | * "bt_coex_active" module parameter to "false" |
| 3553 | * |
| 3554 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 3555 | */ |
| 3556 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 3557 | bool, S_IRUGO); |
| 3558 | 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] | 3559 | |
| 3560 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 3561 | MODULE_PARM_DESC(led_mode, "0=system default, " |
| 3562 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3563 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 3564 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 3565 | bool, S_IRUGO); |
| 3566 | MODULE_PARM_DESC(power_save, |
| 3567 | "enable WiFi power management (default: disable)"); |
| 3568 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 3569 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 3570 | int, S_IRUGO); |
| 3571 | MODULE_PARM_DESC(power_level, |
| 3572 | "default power save level (range from 1 - 5, default: 1)"); |
| 3573 | |
Wey-Yi Guy | dd5b6d0 | 2011-08-25 23:10:55 -0700 | [diff] [blame] | 3574 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
| 3575 | bool, S_IRUGO); |
| 3576 | MODULE_PARM_DESC(auto_agg, |
| 3577 | "enable agg w/o check traffic load (default: enable)"); |
| 3578 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3579 | /* |
| 3580 | * For now, keep using power level 1 instead of automatically |
| 3581 | * adjusting ... |
| 3582 | */ |
| 3583 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 3584 | bool, S_IRUGO); |
| 3585 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 3586 | "don't automatically adjust sleep level " |
| 3587 | "according to maximum network latency (default: true)"); |