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> |
| 38 | #include <linux/wireless.h> |
| 39 | #include <linux/firmware.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 40 | #include <linux/etherdevice.h> |
| 41 | #include <linux/if_arp.h> |
| 42 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 43 | #include <net/mac80211.h> |
| 44 | |
| 45 | #include <asm/div64.h> |
| 46 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 47 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 48 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 49 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 50 | #include "iwl-io.h" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 51 | #include "iwl-helpers.h" |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 52 | #include "iwl-sta.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 53 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 54 | #include "iwl-agn.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 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 83 | static int iwlagn_ant_coupling; |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 84 | static bool iwlagn_bt_ch_announce = 1; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 85 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 86 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 87 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 88 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 89 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 90 | for_each_context(priv, ctx) { |
| 91 | iwlagn_set_rxon_chain(priv, ctx); |
| 92 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 93 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 94 | } |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 95 | } |
| 96 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 97 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 98 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 99 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 100 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 101 | { |
| 102 | u16 tim_idx; |
| 103 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 104 | |
| 105 | /* |
| 106 | * The index is relative to frame start but we start looking at the |
| 107 | * variable-length part of the beacon. |
| 108 | */ |
| 109 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 110 | |
| 111 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 112 | while ((tim_idx < (frame_size - 2)) && |
| 113 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 114 | tim_idx += beacon[tim_idx+1] + 2; |
| 115 | |
| 116 | /* If TIM field was found, set variables */ |
| 117 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 118 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 119 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 120 | } else |
| 121 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 122 | } |
| 123 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 124 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 125 | { |
| 126 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 127 | struct iwl_host_cmd cmd = { |
| 128 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 129 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 130 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 131 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 132 | u32 frame_size; |
| 133 | u32 rate_flags; |
| 134 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 135 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 136 | /* |
| 137 | * We have to set up the TX command, the TX Beacon command, and the |
| 138 | * beacon contents. |
| 139 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 140 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 141 | lockdep_assert_held(&priv->mutex); |
| 142 | |
| 143 | if (!priv->beacon_ctx) { |
| 144 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 145 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 146 | } |
| 147 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 148 | if (WARN_ON(!priv->beacon_skb)) |
| 149 | return -EINVAL; |
| 150 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 151 | /* Allocate beacon command */ |
| 152 | if (!priv->beacon_cmd) |
| 153 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 154 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 155 | if (!tx_beacon_cmd) |
| 156 | return -ENOMEM; |
| 157 | |
| 158 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 159 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 160 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 161 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 162 | 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] | 163 | 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] | 164 | 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] | 165 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 166 | |
| 167 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 168 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 169 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 170 | |
| 171 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 172 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 173 | |
| 174 | /* |
| 175 | * Let's set up the rate at least somewhat correctly; |
| 176 | * it will currently not actually be used by the uCode, |
| 177 | * it uses the broadcast station's rate instead. |
| 178 | */ |
| 179 | if (info->control.rates[0].idx < 0 || |
| 180 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 181 | rate = 0; |
| 182 | else |
| 183 | rate = info->control.rates[0].idx; |
| 184 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 185 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
| 186 | priv->hw_params.valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 187 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 188 | |
| 189 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 190 | if (info->band == IEEE80211_BAND_5GHZ) |
| 191 | rate += IWL_FIRST_OFDM_RATE; |
| 192 | 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] | 193 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 194 | |
| 195 | tx_beacon_cmd->tx.rate_n_flags = |
| 196 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 197 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 198 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 199 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 200 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 201 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 202 | cmd.len[1] = frame_size; |
| 203 | cmd.data[1] = priv->beacon_skb->data; |
| 204 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 205 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 206 | return trans_send_cmd(&priv->trans, &cmd); |
Samuel Ortiz | a8e74e27 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 207 | } |
| 208 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 209 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 210 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 211 | struct iwl_priv *priv = |
| 212 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 213 | struct sk_buff *beacon; |
| 214 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 215 | mutex_lock(&priv->mutex); |
| 216 | if (!priv->beacon_ctx) { |
| 217 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 218 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 219 | } |
| 220 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 221 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 222 | /* |
| 223 | * The ucode will send beacon notifications even in |
| 224 | * IBSS mode, but we don't want to process them. But |
| 225 | * we need to defer the type check to here due to |
| 226 | * requiring locking around the beacon_ctx access. |
| 227 | */ |
| 228 | goto out; |
| 229 | } |
| 230 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 231 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 232 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 233 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 234 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 235 | goto out; |
| 236 | } |
| 237 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 238 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 239 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 240 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 241 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 242 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 243 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 244 | out: |
| 245 | mutex_unlock(&priv->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 246 | } |
| 247 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 248 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 249 | { |
| 250 | struct iwl_priv *priv = |
| 251 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 252 | |
| 253 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 254 | return; |
| 255 | |
| 256 | /* dont send host command if rf-kill is on */ |
| 257 | if (!iwl_is_ready_rf(priv)) |
| 258 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 259 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 260 | } |
| 261 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 262 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 263 | { |
| 264 | struct iwl_priv *priv = |
| 265 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 266 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 267 | |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 268 | mutex_lock(&priv->mutex); |
| 269 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 270 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 271 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 272 | |
| 273 | /* dont send host command if rf-kill is on */ |
| 274 | if (!iwl_is_ready_rf(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 275 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 276 | |
| 277 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 278 | priv->bt_full_concurrent ? |
| 279 | "full concurrency" : "3-wire"); |
| 280 | |
| 281 | /* |
| 282 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 283 | * to avoid 3-wire collisions |
| 284 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 285 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 286 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 287 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 288 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 289 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 290 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 291 | out: |
| 292 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 293 | } |
| 294 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 295 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 296 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 297 | * |
| 298 | * This callback is provided in order to send a statistics request. |
| 299 | * |
| 300 | * This timer function is continually reset to execute within |
| 301 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 302 | * was received. We need to ensure we receive the statistics in order |
| 303 | * to update the temperature used for calibrating the TXPOWER. |
| 304 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 305 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 306 | { |
| 307 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 308 | |
| 309 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 310 | return; |
| 311 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 312 | /* dont send host command if rf-kill is on */ |
| 313 | if (!iwl_is_ready_rf(priv)) |
| 314 | return; |
| 315 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 316 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 317 | } |
| 318 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 319 | |
| 320 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 321 | u32 start_idx, u32 num_events, |
| 322 | u32 mode) |
| 323 | { |
| 324 | u32 i; |
| 325 | u32 ptr; /* SRAM byte address of log data */ |
| 326 | u32 ev, time, data; /* event log data */ |
| 327 | unsigned long reg_flags; |
| 328 | |
| 329 | if (mode == 0) |
| 330 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 331 | else |
| 332 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 333 | |
| 334 | /* Make sure device is powered up for SRAM reads */ |
| 335 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
| 336 | if (iwl_grab_nic_access(priv)) { |
| 337 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 338 | return; |
| 339 | } |
| 340 | |
| 341 | /* Set starting address; reads will auto-increment */ |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 342 | iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 343 | rmb(); |
| 344 | |
| 345 | /* |
| 346 | * "time" is actually "data" for mode 0 (no timestamp). |
| 347 | * place event id # at far right for easier visual parsing. |
| 348 | */ |
| 349 | for (i = 0; i < num_events; i++) { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 350 | ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
| 351 | time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 352 | if (mode == 0) { |
| 353 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 354 | 0, time, ev); |
| 355 | } else { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 356 | data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 357 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 358 | time, data, ev); |
| 359 | } |
| 360 | } |
| 361 | /* Allow device to power down */ |
| 362 | iwl_release_nic_access(priv); |
| 363 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 364 | } |
| 365 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 366 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 367 | { |
| 368 | u32 capacity; /* event log capacity in # entries */ |
| 369 | u32 base; /* SRAM byte address of event log header */ |
| 370 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 371 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 372 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 373 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 374 | base = priv->device_pointers.error_event_table; |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 375 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 376 | capacity = iwl_read_targ_mem(priv, base); |
| 377 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 378 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 379 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 380 | } else |
| 381 | return; |
| 382 | |
| 383 | if (num_wraps == priv->event_log.num_wraps) { |
| 384 | iwl_print_cont_event_trace(priv, |
| 385 | base, priv->event_log.next_entry, |
| 386 | next_entry - priv->event_log.next_entry, |
| 387 | mode); |
| 388 | priv->event_log.non_wraps_count++; |
| 389 | } else { |
| 390 | if ((num_wraps - priv->event_log.num_wraps) > 1) |
| 391 | priv->event_log.wraps_more_count++; |
| 392 | else |
| 393 | priv->event_log.wraps_once_count++; |
| 394 | trace_iwlwifi_dev_ucode_wrap_event(priv, |
| 395 | num_wraps - priv->event_log.num_wraps, |
| 396 | next_entry, priv->event_log.next_entry); |
| 397 | if (next_entry < priv->event_log.next_entry) { |
| 398 | iwl_print_cont_event_trace(priv, base, |
| 399 | priv->event_log.next_entry, |
| 400 | capacity - priv->event_log.next_entry, |
| 401 | mode); |
| 402 | |
| 403 | iwl_print_cont_event_trace(priv, base, 0, |
| 404 | next_entry, mode); |
| 405 | } else { |
| 406 | iwl_print_cont_event_trace(priv, base, |
| 407 | next_entry, capacity - next_entry, |
| 408 | mode); |
| 409 | |
| 410 | iwl_print_cont_event_trace(priv, base, 0, |
| 411 | next_entry, mode); |
| 412 | } |
| 413 | } |
| 414 | priv->event_log.num_wraps = num_wraps; |
| 415 | priv->event_log.next_entry = next_entry; |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 420 | * |
| 421 | * The timer is continually set to execute every |
| 422 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 423 | * this function is to perform continuous uCode event logging operation |
| 424 | * if enabled |
| 425 | */ |
| 426 | static void iwl_bg_ucode_trace(unsigned long data) |
| 427 | { |
| 428 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 429 | |
| 430 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 431 | return; |
| 432 | |
| 433 | if (priv->event_log.ucode_trace) { |
| 434 | iwl_continuous_event_trace(priv); |
| 435 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 436 | mod_timer(&priv->ucode_trace, |
| 437 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 438 | } |
| 439 | } |
| 440 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 441 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 442 | { |
| 443 | struct iwl_priv *priv = |
| 444 | container_of(work, struct iwl_priv, tx_flush); |
| 445 | |
| 446 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 447 | return; |
| 448 | |
| 449 | /* do nothing if rf-kill is on */ |
| 450 | if (!iwl_is_ready_rf(priv)) |
| 451 | return; |
| 452 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 453 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 454 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 455 | } |
| 456 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 457 | /***************************************************************************** |
| 458 | * |
| 459 | * sysfs attributes |
| 460 | * |
| 461 | *****************************************************************************/ |
| 462 | |
| 463 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 464 | |
| 465 | /* |
| 466 | * The following adds a new attribute to the sysfs representation |
| 467 | * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/) |
| 468 | * used for controlling the debug level. |
| 469 | * |
| 470 | * See the level definitions in iwl for details. |
| 471 | * |
| 472 | * The debug_level being managed using sysfs below is a per device debug |
| 473 | * level that is used instead of the global debug level if it (the per |
| 474 | * device debug level) is set. |
| 475 | */ |
| 476 | static ssize_t show_debug_level(struct device *d, |
| 477 | struct device_attribute *attr, char *buf) |
| 478 | { |
| 479 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 480 | return sprintf(buf, "0x%08X\n", iwl_get_debug_level(priv)); |
| 481 | } |
| 482 | static ssize_t store_debug_level(struct device *d, |
| 483 | struct device_attribute *attr, |
| 484 | const char *buf, size_t count) |
| 485 | { |
| 486 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 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 { |
| 494 | priv->debug_level = val; |
| 495 | if (iwl_alloc_traffic_mem(priv)) |
| 496 | IWL_ERR(priv, |
| 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 | { |
| 512 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 513 | |
| 514 | if (!iwl_is_alive(priv)) |
| 515 | return -EAGAIN; |
| 516 | |
| 517 | return sprintf(buf, "%d\n", priv->temperature); |
| 518 | } |
| 519 | |
| 520 | static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); |
| 521 | |
| 522 | static ssize_t show_tx_power(struct device *d, |
| 523 | struct device_attribute *attr, char *buf) |
| 524 | { |
| 525 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 526 | |
| 527 | if (!iwl_is_ready_rf(priv)) |
| 528 | return sprintf(buf, "off\n"); |
| 529 | else |
| 530 | return sprintf(buf, "%d\n", priv->tx_power_user_lmt); |
| 531 | } |
| 532 | |
| 533 | static ssize_t store_tx_power(struct device *d, |
| 534 | struct device_attribute *attr, |
| 535 | const char *buf, size_t count) |
| 536 | { |
| 537 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 538 | unsigned long val; |
| 539 | int ret; |
| 540 | |
| 541 | ret = strict_strtoul(buf, 10, &val); |
| 542 | if (ret) |
| 543 | IWL_INFO(priv, "%s is not in decimal form.\n", buf); |
| 544 | else { |
| 545 | ret = iwl_set_tx_power(priv, val, false); |
| 546 | if (ret) |
| 547 | IWL_ERR(priv, "failed setting tx power (0x%d).\n", |
| 548 | ret); |
| 549 | else |
| 550 | ret = count; |
| 551 | } |
| 552 | return ret; |
| 553 | } |
| 554 | |
| 555 | static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); |
| 556 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 557 | static struct attribute *iwl_sysfs_entries[] = { |
| 558 | &dev_attr_temperature.attr, |
| 559 | &dev_attr_tx_power.attr, |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 560 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 561 | &dev_attr_debug_level.attr, |
| 562 | #endif |
| 563 | NULL |
| 564 | }; |
| 565 | |
| 566 | static struct attribute_group iwl_attribute_group = { |
| 567 | .name = NULL, /* put in device directory */ |
| 568 | .attrs = iwl_sysfs_entries, |
| 569 | }; |
| 570 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 571 | /****************************************************************************** |
| 572 | * |
| 573 | * uCode download functions |
| 574 | * |
| 575 | ******************************************************************************/ |
| 576 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 577 | 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] | 578 | { |
| 579 | if (desc->v_addr) |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 580 | dma_free_coherent(priv->bus->dev, desc->len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 581 | desc->v_addr, desc->p_addr); |
| 582 | desc->v_addr = NULL; |
| 583 | desc->len = 0; |
| 584 | } |
| 585 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 586 | 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] | 587 | { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 588 | iwl_free_fw_desc(priv, &img->code); |
| 589 | iwl_free_fw_desc(priv, &img->data); |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 590 | } |
| 591 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 592 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
| 593 | { |
| 594 | iwl_free_fw_img(priv, &priv->ucode_rt); |
| 595 | iwl_free_fw_img(priv, &priv->ucode_init); |
| 596 | } |
| 597 | |
| 598 | 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] | 599 | const void *data, size_t len) |
| 600 | { |
| 601 | if (!len) { |
| 602 | desc->v_addr = NULL; |
| 603 | return -EINVAL; |
| 604 | } |
| 605 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 606 | desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 607 | &desc->p_addr, GFP_KERNEL); |
| 608 | if (!desc->v_addr) |
| 609 | return -ENOMEM; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 610 | |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 611 | desc->len = len; |
| 612 | memcpy(desc->v_addr, data, len); |
| 613 | return 0; |
| 614 | } |
| 615 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 616 | struct iwlagn_ucode_capabilities { |
| 617 | u32 max_probe_length; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 618 | u32 standard_phy_calibration_size; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 619 | u32 flags; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 620 | }; |
Ron Rindjunsky | edcdf8b | 2008-05-15 13:53:55 +0800 | [diff] [blame] | 621 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 622 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 623 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 624 | struct iwlagn_ucode_capabilities *capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 625 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 626 | #define UCODE_EXPERIMENTAL_INDEX 100 |
| 627 | #define UCODE_EXPERIMENTAL_TAG "exp" |
| 628 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 629 | 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] | 630 | { |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 631 | const char *name_pre = priv->cfg->fw_name_pre; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 632 | char tag[8]; |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 633 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 634 | if (first) { |
| 635 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE |
| 636 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
| 637 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
| 638 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
| 639 | #endif |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 640 | priv->fw_index = priv->cfg->ucode_api_max; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 641 | sprintf(tag, "%d", priv->fw_index); |
| 642 | } else { |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 643 | priv->fw_index--; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 644 | sprintf(tag, "%d", priv->fw_index); |
| 645 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 646 | |
| 647 | if (priv->fw_index < priv->cfg->ucode_api_min) { |
| 648 | IWL_ERR(priv, "no suitable firmware found!\n"); |
| 649 | return -ENOENT; |
| 650 | } |
| 651 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 652 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 653 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 654 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
| 655 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 656 | ? "EXPERIMENTAL " : "", |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 657 | priv->firmware_name); |
| 658 | |
| 659 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 660 | priv->bus->dev, |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 661 | GFP_KERNEL, priv, iwl_ucode_callback); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 662 | } |
| 663 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 664 | struct iwlagn_firmware_pieces { |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 665 | const void *inst, *data, *init, *init_data; |
| 666 | size_t inst_size, data_size, init_size, init_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 667 | |
| 668 | u32 build; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 669 | |
| 670 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| 671 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 672 | }; |
| 673 | |
| 674 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, |
| 675 | const struct firmware *ucode_raw, |
| 676 | struct iwlagn_firmware_pieces *pieces) |
| 677 | { |
| 678 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; |
| 679 | u32 api_ver, hdr_size; |
| 680 | const u8 *src; |
| 681 | |
| 682 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 683 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
| 684 | |
| 685 | switch (api_ver) { |
| 686 | default: |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 687 | hdr_size = 28; |
| 688 | if (ucode_raw->size < hdr_size) { |
| 689 | IWL_ERR(priv, "File size too small!\n"); |
| 690 | return -EINVAL; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 691 | } |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 692 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
| 693 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); |
| 694 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); |
| 695 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); |
| 696 | 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] | 697 | src = ucode->u.v2.data; |
| 698 | break; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 699 | case 0: |
| 700 | case 1: |
| 701 | case 2: |
| 702 | hdr_size = 24; |
| 703 | if (ucode_raw->size < hdr_size) { |
| 704 | IWL_ERR(priv, "File size too small!\n"); |
| 705 | return -EINVAL; |
| 706 | } |
| 707 | pieces->build = 0; |
| 708 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); |
| 709 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); |
| 710 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); |
| 711 | 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] | 712 | src = ucode->u.v1.data; |
| 713 | break; |
| 714 | } |
| 715 | |
| 716 | /* Verify size of file vs. image size info in file's header */ |
| 717 | if (ucode_raw->size != hdr_size + pieces->inst_size + |
| 718 | pieces->data_size + pieces->init_size + |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 719 | pieces->init_data_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 720 | |
| 721 | IWL_ERR(priv, |
| 722 | "uCode file size %d does not match expected size\n", |
| 723 | (int)ucode_raw->size); |
| 724 | return -EINVAL; |
| 725 | } |
| 726 | |
| 727 | pieces->inst = src; |
| 728 | src += pieces->inst_size; |
| 729 | pieces->data = src; |
| 730 | src += pieces->data_size; |
| 731 | pieces->init = src; |
| 732 | src += pieces->init_size; |
| 733 | pieces->init_data = src; |
| 734 | src += pieces->init_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 739 | static int iwlagn_wanted_ucode_alternative = 1; |
| 740 | |
| 741 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
| 742 | const struct firmware *ucode_raw, |
| 743 | struct iwlagn_firmware_pieces *pieces, |
| 744 | struct iwlagn_ucode_capabilities *capa) |
| 745 | { |
| 746 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; |
| 747 | struct iwl_ucode_tlv *tlv; |
| 748 | size_t len = ucode_raw->size; |
| 749 | const u8 *data; |
| 750 | int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp; |
| 751 | u64 alternatives; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 752 | u32 tlv_len; |
| 753 | enum iwl_ucode_tlv_type tlv_type; |
| 754 | const u8 *tlv_data; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 755 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 756 | if (len < sizeof(*ucode)) { |
| 757 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 758 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 759 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 760 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 761 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
| 762 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", |
| 763 | le32_to_cpu(ucode->magic)); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 764 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 765 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 766 | |
| 767 | /* |
| 768 | * Check which alternatives are present, and "downgrade" |
| 769 | * when the chosen alternative is not present, warning |
| 770 | * the user when that happens. Some files may not have |
| 771 | * any alternatives, so don't warn in that case. |
| 772 | */ |
| 773 | alternatives = le64_to_cpu(ucode->alternatives); |
| 774 | tmp = wanted_alternative; |
| 775 | if (wanted_alternative > 63) |
| 776 | wanted_alternative = 63; |
| 777 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) |
| 778 | wanted_alternative--; |
| 779 | if (wanted_alternative && wanted_alternative != tmp) |
| 780 | IWL_WARN(priv, |
| 781 | "uCode alternative %d not available, choosing %d\n", |
| 782 | tmp, wanted_alternative); |
| 783 | |
| 784 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 785 | pieces->build = le32_to_cpu(ucode->build); |
| 786 | data = ucode->data; |
| 787 | |
| 788 | len -= sizeof(*ucode); |
| 789 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 790 | while (len >= sizeof(*tlv)) { |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 791 | u16 tlv_alt; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 792 | |
| 793 | len -= sizeof(*tlv); |
| 794 | tlv = (void *)data; |
| 795 | |
| 796 | tlv_len = le32_to_cpu(tlv->length); |
| 797 | tlv_type = le16_to_cpu(tlv->type); |
| 798 | tlv_alt = le16_to_cpu(tlv->alternative); |
| 799 | tlv_data = tlv->data; |
| 800 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 801 | if (len < tlv_len) { |
| 802 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", |
| 803 | len, tlv_len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 804 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 805 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 806 | len -= ALIGN(tlv_len, 4); |
| 807 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); |
| 808 | |
| 809 | /* |
| 810 | * Alternative 0 is always valid. |
| 811 | * |
| 812 | * Skip alternative TLVs that are not selected. |
| 813 | */ |
| 814 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) |
| 815 | continue; |
| 816 | |
| 817 | switch (tlv_type) { |
| 818 | case IWL_UCODE_TLV_INST: |
| 819 | pieces->inst = tlv_data; |
| 820 | pieces->inst_size = tlv_len; |
| 821 | break; |
| 822 | case IWL_UCODE_TLV_DATA: |
| 823 | pieces->data = tlv_data; |
| 824 | pieces->data_size = tlv_len; |
| 825 | break; |
| 826 | case IWL_UCODE_TLV_INIT: |
| 827 | pieces->init = tlv_data; |
| 828 | pieces->init_size = tlv_len; |
| 829 | break; |
| 830 | case IWL_UCODE_TLV_INIT_DATA: |
| 831 | pieces->init_data = tlv_data; |
| 832 | pieces->init_data_size = tlv_len; |
| 833 | break; |
| 834 | case IWL_UCODE_TLV_BOOT: |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 835 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 836 | break; |
| 837 | case IWL_UCODE_TLV_PROBE_MAX_LEN: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 838 | if (tlv_len != sizeof(u32)) |
| 839 | goto invalid_tlv_len; |
| 840 | capa->max_probe_length = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 841 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 842 | break; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 843 | case IWL_UCODE_TLV_PAN: |
| 844 | if (tlv_len) |
| 845 | goto invalid_tlv_len; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 846 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
| 847 | break; |
| 848 | case IWL_UCODE_TLV_FLAGS: |
| 849 | /* must be at least one u32 */ |
| 850 | if (tlv_len < sizeof(u32)) |
| 851 | goto invalid_tlv_len; |
| 852 | /* and a proper number of u32s */ |
| 853 | if (tlv_len % sizeof(u32)) |
| 854 | goto invalid_tlv_len; |
| 855 | /* |
| 856 | * This driver only reads the first u32 as |
| 857 | * right now no more features are defined, |
| 858 | * if that changes then either the driver |
| 859 | * will not work with the new firmware, or |
| 860 | * it'll not take advantage of new features. |
| 861 | */ |
| 862 | capa->flags = le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 863 | break; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 864 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 865 | if (tlv_len != sizeof(u32)) |
| 866 | goto invalid_tlv_len; |
| 867 | pieces->init_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 868 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 869 | break; |
| 870 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 871 | if (tlv_len != sizeof(u32)) |
| 872 | goto invalid_tlv_len; |
| 873 | pieces->init_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 874 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 875 | break; |
| 876 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 877 | if (tlv_len != sizeof(u32)) |
| 878 | goto invalid_tlv_len; |
| 879 | pieces->init_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 880 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 881 | break; |
| 882 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 883 | if (tlv_len != sizeof(u32)) |
| 884 | goto invalid_tlv_len; |
| 885 | pieces->inst_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 886 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 887 | break; |
| 888 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 889 | if (tlv_len != sizeof(u32)) |
| 890 | goto invalid_tlv_len; |
| 891 | pieces->inst_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 892 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 893 | break; |
| 894 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 895 | if (tlv_len != sizeof(u32)) |
| 896 | goto invalid_tlv_len; |
| 897 | pieces->inst_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 898 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 899 | break; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 900 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
| 901 | if (tlv_len) |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 902 | goto invalid_tlv_len; |
| 903 | priv->enhance_sensitivity_table = true; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 904 | break; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 905 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 906 | if (tlv_len != sizeof(u32)) |
| 907 | goto invalid_tlv_len; |
| 908 | capa->standard_phy_calibration_size = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 909 | le32_to_cpup((__le32 *)tlv_data); |
| 910 | break; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 911 | default: |
Johannes Berg | 6fc3ba9 | 2011-04-04 06:16:29 -0700 | [diff] [blame] | 912 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 913 | break; |
| 914 | } |
| 915 | } |
| 916 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 917 | if (len) { |
| 918 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); |
| 919 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 920 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 921 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 922 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 923 | return 0; |
| 924 | |
| 925 | invalid_tlv_len: |
| 926 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
| 927 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); |
| 928 | |
| 929 | return -EINVAL; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 930 | } |
| 931 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 932 | /** |
| 933 | * iwl_ucode_callback - callback when firmware was loaded |
| 934 | * |
| 935 | * If loaded successfully, copies the firmware into buffers |
| 936 | * for the card to fetch (via DMA). |
| 937 | */ |
| 938 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
| 939 | { |
| 940 | struct iwl_priv *priv = context; |
| 941 | struct iwl_ucode_header *ucode; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 942 | int err; |
| 943 | struct iwlagn_firmware_pieces pieces; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 944 | const unsigned int api_max = priv->cfg->ucode_api_max; |
| 945 | const unsigned int api_min = priv->cfg->ucode_api_min; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 946 | u32 api_ver; |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 947 | char buildstr[25]; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 948 | u32 build; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 949 | struct iwlagn_ucode_capabilities ucode_capa = { |
| 950 | .max_probe_length = 200, |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 951 | .standard_phy_calibration_size = |
Shanyu Zhao | 642454c | 2010-09-21 12:06:18 -0700 | [diff] [blame] | 952 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 953 | }; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 954 | |
| 955 | memset(&pieces, 0, sizeof(pieces)); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 956 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 957 | if (!ucode_raw) { |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 958 | if (priv->fw_index <= priv->cfg->ucode_api_max) |
| 959 | IWL_ERR(priv, |
| 960 | "request for firmware file '%s' failed.\n", |
| 961 | priv->firmware_name); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 962 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 963 | } |
| 964 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 965 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
| 966 | priv->firmware_name, ucode_raw->size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 967 | |
Johannes Berg | 22adba2 | 2010-04-28 12:09:14 -0700 | [diff] [blame] | 968 | /* Make sure that we got at least the API version number */ |
| 969 | if (ucode_raw->size < 4) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 970 | IWL_ERR(priv, "File size way too small!\n"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 971 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | /* Data from ucode file: header followed by uCode images */ |
Jay Sternberg | cc0f555 | 2009-07-17 09:30:16 -0700 | [diff] [blame] | 975 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 976 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 977 | if (ucode->ver) |
| 978 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); |
| 979 | else |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 980 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
| 981 | &ucode_capa); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 982 | |
| 983 | if (err) |
| 984 | goto try_again; |
| 985 | |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 986 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 987 | build = pieces.build; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 988 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 989 | /* |
| 990 | * api_ver should match the api version forming part of the |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 991 | * firmware filename ... but we don't check for that and only rely |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 992 | * on the API version read from firmware header from here on forward |
| 993 | */ |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 994 | /* no api version check required for experimental uCode */ |
| 995 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
| 996 | if (api_ver < api_min || api_ver > api_max) { |
| 997 | IWL_ERR(priv, |
| 998 | "Driver unable to support your firmware API. " |
| 999 | "Driver supports v%u, firmware is v%u.\n", |
| 1000 | api_max, api_ver); |
| 1001 | goto try_again; |
| 1002 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1003 | |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 1004 | if (api_ver != api_max) |
| 1005 | IWL_ERR(priv, |
| 1006 | "Firmware has old API version. Expected v%u, " |
| 1007 | "got v%u. New firmware can be obtained " |
| 1008 | "from http://www.intellinuxwireless.org.\n", |
| 1009 | api_max, api_ver); |
| 1010 | } |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1011 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1012 | if (build) |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1013 | sprintf(buildstr, " build %u%s", build, |
| 1014 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 1015 | ? " (EXP)" : ""); |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1016 | else |
| 1017 | buildstr[0] = '\0'; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1018 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1019 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1020 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1021 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1022 | IWL_UCODE_API(priv->ucode_ver), |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1023 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1024 | buildstr); |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1025 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1026 | snprintf(priv->hw->wiphy->fw_version, |
| 1027 | sizeof(priv->hw->wiphy->fw_version), |
| 1028 | "%u.%u.%u.%u%s", |
| 1029 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1030 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1031 | IWL_UCODE_API(priv->ucode_ver), |
| 1032 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1033 | buildstr); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1034 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1035 | /* |
| 1036 | * For any of the failures below (before allocating pci memory) |
| 1037 | * we will try to load a version with a smaller API -- maybe the |
| 1038 | * user just got a corrupted version of the latest API. |
| 1039 | */ |
| 1040 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1041 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
| 1042 | priv->ucode_ver); |
| 1043 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", |
| 1044 | pieces.inst_size); |
| 1045 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", |
| 1046 | pieces.data_size); |
| 1047 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", |
| 1048 | pieces.init_size); |
| 1049 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", |
| 1050 | pieces.init_data_size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1051 | |
| 1052 | /* Verify that uCode images will fit in card's SRAM */ |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1053 | if (pieces.inst_size > priv->hw_params.max_inst_size) { |
| 1054 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
| 1055 | pieces.inst_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1056 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1057 | } |
| 1058 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1059 | if (pieces.data_size > priv->hw_params.max_data_size) { |
| 1060 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
| 1061 | pieces.data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1062 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1063 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1064 | |
| 1065 | if (pieces.init_size > priv->hw_params.max_inst_size) { |
| 1066 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
| 1067 | pieces.init_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1068 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1069 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1070 | |
| 1071 | if (pieces.init_data_size > priv->hw_params.max_data_size) { |
| 1072 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
| 1073 | pieces.init_data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1074 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1075 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1076 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1077 | /* Allocate ucode buffers for card's bus-master loading ... */ |
| 1078 | |
| 1079 | /* Runtime instructions and 2 copies of data: |
| 1080 | * 1) unmodified from disk |
| 1081 | * 2) backup cache for save/restore during power-downs */ |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1082 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1083 | pieces.inst, pieces.inst_size)) |
| 1084 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1085 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1086 | pieces.data, pieces.data_size)) |
Zhu, Yi | 1f304e4 | 2009-01-23 13:45:22 -0800 | [diff] [blame] | 1087 | goto err_pci_alloc; |
| 1088 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1089 | /* Initialization instructions and data */ |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1090 | if (pieces.init_size && pieces.init_data_size) { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1091 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1092 | pieces.init, pieces.init_size)) |
| 1093 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1094 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1095 | pieces.init_data, pieces.init_data_size)) |
Tomas Winkler | 90e759d | 2007-11-29 11:09:41 +0800 | [diff] [blame] | 1096 | goto err_pci_alloc; |
| 1097 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1098 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1099 | /* Now that we can no longer fail, copy information */ |
| 1100 | |
| 1101 | /* |
| 1102 | * The (size - 16) / 12 formula is based on the information recorded |
| 1103 | * for each event, which is of mode 1 (including timestamp) for all |
| 1104 | * new microcodes that include this information. |
| 1105 | */ |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1106 | priv->init_evtlog_ptr = pieces.init_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1107 | if (pieces.init_evtlog_size) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1108 | priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1109 | else |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1110 | priv->init_evtlog_size = |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1111 | priv->cfg->base_params->max_event_log_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1112 | priv->init_errlog_ptr = pieces.init_errlog_ptr; |
| 1113 | priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1114 | if (pieces.inst_evtlog_size) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1115 | priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1116 | else |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1117 | priv->inst_evtlog_size = |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1118 | priv->cfg->base_params->max_event_log_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1119 | priv->inst_errlog_ptr = pieces.inst_errlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1120 | |
Johannes Berg | d2690c0 | 2011-04-20 09:10:39 -0700 | [diff] [blame] | 1121 | priv->new_scan_threshold_behaviour = |
| 1122 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
| 1123 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1124 | if ((priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE) && |
| 1125 | (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) { |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1126 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 1127 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1128 | } else |
| 1129 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 1130 | |
Johannes Berg | 17445b8 | 2011-04-05 09:42:05 -0700 | [diff] [blame] | 1131 | if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) |
| 1132 | priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
| 1133 | else |
| 1134 | priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
| 1135 | |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1136 | /* |
| 1137 | * figure out the offset of chain noise reset and gain commands |
| 1138 | * base on the size of standard phy calibration commands table size |
| 1139 | */ |
| 1140 | if (ucode_capa.standard_phy_calibration_size > |
| 1141 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) |
| 1142 | ucode_capa.standard_phy_calibration_size = |
| 1143 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; |
| 1144 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1145 | priv->phy_calib_chain_noise_reset_cmd = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1146 | ucode_capa.standard_phy_calibration_size; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1147 | priv->phy_calib_chain_noise_gain_cmd = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1148 | ucode_capa.standard_phy_calibration_size + 1; |
| 1149 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1150 | /************************************************** |
| 1151 | * This is still part of probe() in a sense... |
| 1152 | * |
| 1153 | * 9. Setup and register with mac80211 and debugfs |
| 1154 | **************************************************/ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1155 | err = iwl_mac_setup_register(priv, &ucode_capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1156 | if (err) |
| 1157 | goto out_unbind; |
| 1158 | |
| 1159 | err = iwl_dbgfs_register(priv, DRV_NAME); |
| 1160 | if (err) |
| 1161 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); |
| 1162 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 1163 | err = sysfs_create_group(&(priv->bus->dev->kobj), |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1164 | &iwl_attribute_group); |
| 1165 | if (err) { |
| 1166 | IWL_ERR(priv, "failed to create sysfs device attributes\n"); |
| 1167 | goto out_unbind; |
| 1168 | } |
| 1169 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1170 | /* We have our copies now, allow OS release its copies */ |
| 1171 | release_firmware(ucode_raw); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1172 | complete(&priv->firmware_loading_complete); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1173 | return; |
| 1174 | |
| 1175 | try_again: |
| 1176 | /* try next, if any */ |
| 1177 | if (iwl_request_firmware(priv, false)) |
| 1178 | goto out_unbind; |
| 1179 | release_firmware(ucode_raw); |
| 1180 | return; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1181 | |
| 1182 | err_pci_alloc: |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1183 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1184 | iwl_dealloc_ucode(priv); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1185 | out_unbind: |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1186 | complete(&priv->firmware_loading_complete); |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 1187 | device_release_driver(priv->bus->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1188 | release_firmware(ucode_raw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1189 | } |
| 1190 | |
Joe Perches | 2a897d4 | 2011-07-08 23:20:25 -0700 | [diff] [blame] | 1191 | static const char * const desc_lookup_text[] = { |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1192 | "OK", |
| 1193 | "FAIL", |
| 1194 | "BAD_PARAM", |
| 1195 | "BAD_CHECKSUM", |
| 1196 | "NMI_INTERRUPT_WDG", |
| 1197 | "SYSASSERT", |
| 1198 | "FATAL_ERROR", |
| 1199 | "BAD_COMMAND", |
| 1200 | "HW_ERROR_TUNE_LOCK", |
| 1201 | "HW_ERROR_TEMPERATURE", |
| 1202 | "ILLEGAL_CHAN_FREQ", |
| 1203 | "VCC_NOT_STABLE", |
| 1204 | "FH_ERROR", |
| 1205 | "NMI_INTERRUPT_HOST", |
| 1206 | "NMI_INTERRUPT_ACTION_PT", |
| 1207 | "NMI_INTERRUPT_UNKNOWN", |
| 1208 | "UCODE_VERSION_MISMATCH", |
| 1209 | "HW_ERROR_ABS_LOCK", |
| 1210 | "HW_ERROR_CAL_LOCK_FAIL", |
| 1211 | "NMI_INTERRUPT_INST_ACTION_PT", |
| 1212 | "NMI_INTERRUPT_DATA_ACTION_PT", |
| 1213 | "NMI_TRM_HW_ER", |
| 1214 | "NMI_INTERRUPT_TRM", |
Joe Perches | 2a897d4 | 2011-07-08 23:20:25 -0700 | [diff] [blame] | 1215 | "NMI_INTERRUPT_BREAK_POINT", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1216 | "DEBUG_0", |
| 1217 | "DEBUG_1", |
| 1218 | "DEBUG_2", |
| 1219 | "DEBUG_3", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1220 | }; |
| 1221 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1222 | static struct { char *name; u8 num; } advanced_lookup[] = { |
| 1223 | { "NMI_INTERRUPT_WDG", 0x34 }, |
| 1224 | { "SYSASSERT", 0x35 }, |
| 1225 | { "UCODE_VERSION_MISMATCH", 0x37 }, |
| 1226 | { "BAD_COMMAND", 0x38 }, |
| 1227 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, |
| 1228 | { "FATAL_ERROR", 0x3D }, |
| 1229 | { "NMI_TRM_HW_ERR", 0x46 }, |
| 1230 | { "NMI_INTERRUPT_TRM", 0x4C }, |
| 1231 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, |
| 1232 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, |
| 1233 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, |
| 1234 | { "NMI_INTERRUPT_HOST", 0x66 }, |
| 1235 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, |
| 1236 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, |
| 1237 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, |
| 1238 | { "ADVANCED_SYSASSERT", 0 }, |
| 1239 | }; |
| 1240 | |
| 1241 | static const char *desc_lookup(u32 num) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1242 | { |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1243 | int i; |
| 1244 | int max = ARRAY_SIZE(desc_lookup_text); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1245 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1246 | if (num < max) |
| 1247 | return desc_lookup_text[num]; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1248 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1249 | max = ARRAY_SIZE(advanced_lookup) - 1; |
| 1250 | for (i = 0; i < max; i++) { |
| 1251 | if (advanced_lookup[i].num == num) |
Justin P. Mattock | 6eab04a | 2011-04-08 19:49:08 -0700 | [diff] [blame] | 1252 | break; |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1253 | } |
| 1254 | return advanced_lookup[i].name; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | #define ERROR_START_OFFSET (1 * sizeof(u32)) |
| 1258 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) |
| 1259 | |
| 1260 | void iwl_dump_nic_error_log(struct iwl_priv *priv) |
| 1261 | { |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1262 | u32 base; |
Johannes Berg | e46f653 | 2011-04-13 03:14:43 -0700 | [diff] [blame] | 1263 | struct iwl_error_event_table table; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1264 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1265 | base = priv->device_pointers.error_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1266 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1267 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1268 | base = priv->init_errlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1269 | } else { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1270 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1271 | base = priv->inst_errlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1272 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1273 | |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 1274 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { |
Wey-Yi Guy | 212fb57 | 2009-12-02 12:53:00 -0800 | [diff] [blame] | 1275 | IWL_ERR(priv, |
| 1276 | "Not valid error log pointer 0x%08X for %s uCode\n", |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1277 | base, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1278 | (priv->ucode_type == IWL_UCODE_INIT) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1279 | ? "Init" : "RT"); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1280 | return; |
| 1281 | } |
| 1282 | |
Johannes Berg | e46f653 | 2011-04-13 03:14:43 -0700 | [diff] [blame] | 1283 | iwl_read_targ_mem_words(priv, base, &table, sizeof(table)); |
| 1284 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1285 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1286 | IWL_ERR(priv, "Start IWL Error Log Dump:\n"); |
| 1287 | IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1288 | priv->status, table.valid); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1289 | } |
| 1290 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1291 | priv->isr_stats.err_code = table.error_id; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1292 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1293 | trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low, |
| 1294 | table.data1, table.data2, table.line, |
| 1295 | table.blink1, table.blink2, table.ilink1, |
| 1296 | table.ilink2, table.bcon_time, table.gp1, |
| 1297 | table.gp2, table.gp3, table.ucode_ver, |
| 1298 | table.hw_ver, table.brd_ver); |
| 1299 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, |
| 1300 | desc_lookup(table.error_id)); |
| 1301 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); |
| 1302 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); |
| 1303 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); |
| 1304 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); |
| 1305 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); |
| 1306 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); |
| 1307 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); |
| 1308 | IWL_ERR(priv, "0x%08X | line\n", table.line); |
| 1309 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); |
| 1310 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); |
| 1311 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); |
| 1312 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); |
| 1313 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); |
| 1314 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); |
| 1315 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); |
| 1316 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); |
| 1317 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); |
| 1318 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1319 | } |
| 1320 | |
| 1321 | #define EVENT_START_OFFSET (4 * sizeof(u32)) |
| 1322 | |
| 1323 | /** |
| 1324 | * iwl_print_event_log - Dump error event log to syslog |
| 1325 | * |
| 1326 | */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1327 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, |
| 1328 | u32 num_events, u32 mode, |
| 1329 | int pos, char **buf, size_t bufsz) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1330 | { |
| 1331 | u32 i; |
| 1332 | u32 base; /* SRAM byte address of event log header */ |
| 1333 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ |
| 1334 | u32 ptr; /* SRAM byte address of log data */ |
| 1335 | u32 ev, time, data; /* event log data */ |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1336 | unsigned long reg_flags; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1337 | |
| 1338 | if (num_events == 0) |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1339 | return pos; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1340 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1341 | base = priv->device_pointers.log_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1342 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1343 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1344 | base = priv->init_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1345 | } else { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1346 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1347 | base = priv->inst_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1348 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1349 | |
| 1350 | if (mode == 0) |
| 1351 | event_size = 2 * sizeof(u32); |
| 1352 | else |
| 1353 | event_size = 3 * sizeof(u32); |
| 1354 | |
| 1355 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); |
| 1356 | |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1357 | /* Make sure device is powered up for SRAM reads */ |
| 1358 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
| 1359 | iwl_grab_nic_access(priv); |
| 1360 | |
| 1361 | /* Set starting address; reads will auto-increment */ |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1362 | iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1363 | rmb(); |
| 1364 | |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1365 | /* "time" is actually "data" for mode 0 (no timestamp). |
| 1366 | * place event id # at far right for easier visual parsing. */ |
| 1367 | for (i = 0; i < num_events; i++) { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1368 | ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
| 1369 | time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1370 | if (mode == 0) { |
| 1371 | /* data, ev */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1372 | if (bufsz) { |
| 1373 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1374 | "EVT_LOG:0x%08x:%04u\n", |
| 1375 | time, ev); |
| 1376 | } else { |
| 1377 | trace_iwlwifi_dev_ucode_event(priv, 0, |
| 1378 | time, ev); |
| 1379 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", |
| 1380 | time, ev); |
| 1381 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1382 | } else { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1383 | data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1384 | if (bufsz) { |
| 1385 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1386 | "EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1387 | time, data, ev); |
| 1388 | } else { |
| 1389 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1390 | time, data, ev); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1391 | trace_iwlwifi_dev_ucode_event(priv, time, |
| 1392 | data, ev); |
| 1393 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1394 | } |
| 1395 | } |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1396 | |
| 1397 | /* Allow device to power down */ |
| 1398 | iwl_release_nic_access(priv); |
| 1399 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1400 | return pos; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1401 | } |
| 1402 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1403 | /** |
| 1404 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog |
| 1405 | */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1406 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, |
| 1407 | u32 num_wraps, u32 next_entry, |
| 1408 | u32 size, u32 mode, |
| 1409 | int pos, char **buf, size_t bufsz) |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1410 | { |
| 1411 | /* |
| 1412 | * display the newest DEFAULT_LOG_ENTRIES entries |
| 1413 | * i.e the entries just before the next ont that uCode would fill. |
| 1414 | */ |
| 1415 | if (num_wraps) { |
| 1416 | if (next_entry < size) { |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1417 | pos = iwl_print_event_log(priv, |
| 1418 | capacity - (size - next_entry), |
| 1419 | size - next_entry, mode, |
| 1420 | pos, buf, bufsz); |
| 1421 | pos = iwl_print_event_log(priv, 0, |
| 1422 | next_entry, mode, |
| 1423 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1424 | } else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1425 | pos = iwl_print_event_log(priv, next_entry - size, |
| 1426 | size, mode, pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1427 | } else { |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1428 | if (next_entry < size) { |
| 1429 | pos = iwl_print_event_log(priv, 0, next_entry, |
| 1430 | mode, pos, buf, bufsz); |
| 1431 | } else { |
| 1432 | pos = iwl_print_event_log(priv, next_entry - size, |
| 1433 | size, mode, pos, buf, bufsz); |
| 1434 | } |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1435 | } |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1436 | return pos; |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1437 | } |
| 1438 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1439 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) |
| 1440 | |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1441 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, |
| 1442 | char **buf, bool display) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1443 | { |
| 1444 | u32 base; /* SRAM byte address of event log header */ |
| 1445 | u32 capacity; /* event log capacity in # entries */ |
| 1446 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 1447 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 1448 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 1449 | u32 size; /* # entries that we'll print */ |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1450 | u32 logsize; |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1451 | int pos = 0; |
| 1452 | size_t bufsz = 0; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1453 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1454 | base = priv->device_pointers.log_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1455 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1456 | logsize = priv->init_evtlog_size; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1457 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1458 | base = priv->init_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1459 | } else { |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1460 | logsize = priv->inst_evtlog_size; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1461 | if (!base) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1462 | base = priv->inst_evtlog_ptr; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1463 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1464 | |
Fry, Donald H | 4caab32 | 2011-07-07 15:24:07 -0700 | [diff] [blame] | 1465 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { |
Wey-Yi Guy | 212fb57 | 2009-12-02 12:53:00 -0800 | [diff] [blame] | 1466 | IWL_ERR(priv, |
| 1467 | "Invalid event log pointer 0x%08X for %s uCode\n", |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1468 | base, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1469 | (priv->ucode_type == IWL_UCODE_INIT) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1470 | ? "Init" : "RT"); |
Wey-Yi Guy | 937c397 | 2010-01-15 13:43:36 -0800 | [diff] [blame] | 1471 | return -EINVAL; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1472 | } |
| 1473 | |
| 1474 | /* event log header */ |
| 1475 | capacity = iwl_read_targ_mem(priv, base); |
| 1476 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 1477 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 1478 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 1479 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1480 | if (capacity > logsize) { |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1481 | IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1482 | capacity, logsize); |
| 1483 | capacity = logsize; |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1484 | } |
| 1485 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1486 | if (next_entry > logsize) { |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1487 | IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1488 | next_entry, logsize); |
| 1489 | next_entry = logsize; |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1490 | } |
| 1491 | |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1492 | size = num_wraps ? capacity : next_entry; |
| 1493 | |
| 1494 | /* bail out if nothing in log */ |
| 1495 | if (size == 0) { |
| 1496 | IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1497 | return pos; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1498 | } |
| 1499 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1500 | /* enable/disable bt channel inhibition */ |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1501 | priv->bt_ch_announce = iwlagn_bt_ch_announce; |
| 1502 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1503 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | 521d9bc | 2009-12-10 14:37:23 -0800 | [diff] [blame] | 1504 | if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log) |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1505 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 1506 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
| 1507 | #else |
| 1508 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 1509 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1510 | #endif |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1511 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", |
| 1512 | size); |
| 1513 | |
| 1514 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1515 | if (display) { |
| 1516 | if (full_log) |
| 1517 | bufsz = capacity * 48; |
| 1518 | else |
| 1519 | bufsz = size * 48; |
| 1520 | *buf = kmalloc(bufsz, GFP_KERNEL); |
| 1521 | if (!*buf) |
Wey-Yi Guy | 937c397 | 2010-01-15 13:43:36 -0800 | [diff] [blame] | 1522 | return -ENOMEM; |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1523 | } |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1524 | if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { |
| 1525 | /* |
| 1526 | * if uCode has wrapped back to top of log, |
| 1527 | * start at the oldest entry, |
| 1528 | * i.e the next one that uCode would fill. |
| 1529 | */ |
| 1530 | if (num_wraps) |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1531 | pos = iwl_print_event_log(priv, next_entry, |
| 1532 | capacity - next_entry, mode, |
| 1533 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1534 | /* (then/else) start at top of log */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1535 | pos = iwl_print_event_log(priv, 0, |
| 1536 | next_entry, mode, pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1537 | } else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1538 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 1539 | next_entry, size, mode, |
| 1540 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1541 | #else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1542 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 1543 | next_entry, size, mode, |
| 1544 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1545 | #endif |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1546 | return pos; |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1547 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1548 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1549 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 1550 | { |
| 1551 | struct iwl_ct_kill_config cmd; |
| 1552 | struct iwl_ct_kill_throttling_config adv_cmd; |
| 1553 | unsigned long flags; |
| 1554 | int ret = 0; |
| 1555 | |
| 1556 | spin_lock_irqsave(&priv->lock, flags); |
| 1557 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, |
| 1558 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
| 1559 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1560 | priv->thermal_throttle.ct_kill_toggle = false; |
| 1561 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1562 | if (priv->cfg->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1563 | adv_cmd.critical_temperature_enter = |
| 1564 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 1565 | adv_cmd.critical_temperature_exit = |
| 1566 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
| 1567 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 1568 | ret = trans_send_cmd_pdu(&priv->trans, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1569 | REPLY_CT_KILL_CONFIG_CMD, |
| 1570 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1571 | if (ret) |
| 1572 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1573 | else |
| 1574 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
| 1575 | "succeeded, " |
| 1576 | "critical temperature enter is %d," |
| 1577 | "exit is %d\n", |
| 1578 | priv->hw_params.ct_kill_threshold, |
| 1579 | priv->hw_params.ct_kill_exit_threshold); |
| 1580 | } else { |
| 1581 | cmd.critical_temperature_R = |
| 1582 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 1583 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 1584 | ret = trans_send_cmd_pdu(&priv->trans, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1585 | REPLY_CT_KILL_CONFIG_CMD, |
| 1586 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1587 | if (ret) |
| 1588 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1589 | else |
| 1590 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
| 1591 | "succeeded, " |
| 1592 | "critical temperature is %d\n", |
| 1593 | priv->hw_params.ct_kill_threshold); |
| 1594 | } |
| 1595 | } |
| 1596 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1597 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 1598 | { |
| 1599 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 1600 | struct iwl_host_cmd cmd = { |
| 1601 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 1602 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 1603 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1604 | }; |
| 1605 | |
| 1606 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
| 1607 | 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] | 1608 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1609 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 1610 | return trans_send_cmd(&priv->trans, &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1611 | } |
| 1612 | |
| 1613 | |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 1614 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
| 1615 | { |
| 1616 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { |
| 1617 | .valid = cpu_to_le32(valid_tx_ant), |
| 1618 | }; |
| 1619 | |
| 1620 | if (IWL_UCODE_API(priv->ucode_ver) > 1) { |
| 1621 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 1622 | return trans_send_cmd_pdu(&priv->trans, |
Wey-Yi Guy | e505c43 | 2011-07-07 08:27:41 -0700 | [diff] [blame] | 1623 | TX_ANT_CONFIGURATION_CMD, |
| 1624 | CMD_SYNC, |
| 1625 | sizeof(struct iwl_tx_ant_config_cmd), |
| 1626 | &tx_ant_cmd); |
| 1627 | } else { |
| 1628 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); |
| 1629 | return -EOPNOTSUPP; |
| 1630 | } |
| 1631 | } |
| 1632 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1633 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1634 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1635 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1636 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1637 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1638 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1639 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 1640 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1641 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1642 | |
Emmanuel Grumbach | 1a361cd | 2011-07-11 07:44:57 -0700 | [diff] [blame] | 1643 | /*TODO: this should go to the transport layer */ |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1644 | iwl_reset_ict(priv); |
| 1645 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1646 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1647 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1648 | /* After the ALIVE response, we can send host commands to the uCode */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1649 | set_bit(STATUS_ALIVE, &priv->status); |
| 1650 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 1651 | /* Enable watchdog to monitor the driver tx queues */ |
| 1652 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 1653 | |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 1654 | if (iwl_is_rfkill(priv)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1655 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1656 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 1657 | /* download priority table before any calibration request */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1658 | if (priv->cfg->bt_params && |
| 1659 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1660 | /* Configure Bluetooth device coexistence support */ |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1661 | if (priv->cfg->bt_params->bt_sco_disable) |
| 1662 | priv->bt_enable_pspoll = false; |
| 1663 | else |
| 1664 | priv->bt_enable_pspoll = true; |
| 1665 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1666 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 1667 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 1668 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1669 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1670 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1671 | priv->cur_rssi_ctx = NULL; |
| 1672 | |
Wey-Yi Guy | a5901cb | 2010-09-23 09:56:51 -0700 | [diff] [blame] | 1673 | iwlagn_send_prio_tbl(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1674 | |
| 1675 | /* FIXME: w/a to force change uCode BT state machine */ |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1676 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
| 1677 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 1678 | if (ret) |
| 1679 | return ret; |
| 1680 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
| 1681 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 1682 | if (ret) |
| 1683 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1684 | } else { |
| 1685 | /* |
| 1686 | * default is 2-wire BT coexexistence support |
| 1687 | */ |
| 1688 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 1689 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 1690 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 1691 | if (priv->hw_params.calib_rt_cfg) |
| 1692 | iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg); |
| 1693 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 1694 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1695 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 1696 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1697 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 1698 | /* Configure Tx antenna selection based on H/W config */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1699 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 1700 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1701 | if (iwl_is_associated_ctx(ctx)) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 1702 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1703 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 1704 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1705 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1706 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 1707 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1708 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1709 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 1710 | for_each_context(priv, tmp) |
| 1711 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 1712 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 1713 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1714 | } |
| 1715 | |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1716 | iwl_reset_run_time_calib(priv); |
| 1717 | |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 1718 | set_bit(STATUS_READY, &priv->status); |
| 1719 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1720 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 1721 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1722 | if (ret) |
| 1723 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1724 | |
| 1725 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 1726 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 1727 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1728 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1729 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1730 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1731 | } |
| 1732 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1733 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1734 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1735 | static void __iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1736 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 1737 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1738 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 1739 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1740 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 1741 | iwl_scan_cancel_timeout(priv, 200); |
| 1742 | |
| 1743 | exit_pending = test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1744 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 1745 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 1746 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 1747 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 1748 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 1749 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1750 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 1751 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1752 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1753 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 1754 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1755 | priv->cur_rssi_ctx = NULL; |
| 1756 | priv->bt_is_sco = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1757 | if (priv->cfg->bt_params) |
| 1758 | priv->bt_traffic_load = |
| 1759 | priv->cfg->bt_params->bt_init_traffic_load; |
| 1760 | else |
| 1761 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 1762 | priv->bt_full_concurrent = false; |
| 1763 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1764 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1765 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 1766 | * exiting the module */ |
| 1767 | if (!exit_pending) |
| 1768 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
| 1769 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1770 | if (priv->mac80211_registered) |
| 1771 | ieee80211_stop_queues(priv->hw); |
| 1772 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 1773 | /* Clear out all status bits but a few that are stable across reset */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1774 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
| 1775 | STATUS_RF_KILL_HW | |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 1776 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
| 1777 | STATUS_GEO_CONFIGURED | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1778 | test_bit(STATUS_FW_ERROR, &priv->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 1779 | STATUS_FW_ERROR | |
| 1780 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
| 1781 | STATUS_EXIT_PENDING; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1782 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 1783 | trans_stop_device(&priv->trans); |
Ben Cahill | 4d2ccdb | 2009-10-09 13:20:20 -0700 | [diff] [blame] | 1784 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 1785 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 1786 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1787 | } |
| 1788 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1789 | static void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1790 | { |
| 1791 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1792 | __iwl_down(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1793 | mutex_unlock(&priv->mutex); |
Zhu Yi | b24d22b | 2007-12-19 13:59:52 +0800 | [diff] [blame] | 1794 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 1795 | iwl_cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1796 | } |
| 1797 | |
| 1798 | #define MAX_HW_RESTARTS 5 |
| 1799 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1800 | static int __iwl_up(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1801 | { |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1802 | struct iwl_rxon_context *ctx; |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 1803 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1804 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1805 | lockdep_assert_held(&priv->mutex); |
| 1806 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1807 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { |
Winkler, Tomas | 39aadf8 | 2008-12-19 10:37:32 +0800 | [diff] [blame] | 1808 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1809 | return -EIO; |
| 1810 | } |
| 1811 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1812 | for_each_context(priv, ctx) { |
Johannes Berg | a30e311 | 2010-09-22 18:02:01 +0200 | [diff] [blame] | 1813 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 1814 | if (ret) { |
| 1815 | iwl_dealloc_bcast_stations(priv); |
| 1816 | return ret; |
| 1817 | } |
| 1818 | } |
Johannes Berg | 2c810cc | 2010-04-29 00:53:29 -0700 | [diff] [blame] | 1819 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1820 | ret = iwlagn_run_init_ucode(priv); |
| 1821 | if (ret) { |
| 1822 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); |
| 1823 | goto error; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1824 | } |
| 1825 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1826 | ret = iwlagn_load_ucode_wait_alive(priv, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1827 | &priv->ucode_rt, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1828 | IWL_UCODE_REGULAR); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1829 | if (ret) { |
| 1830 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); |
| 1831 | goto error; |
| 1832 | } |
| 1833 | |
| 1834 | ret = iwl_alive_start(priv); |
| 1835 | if (ret) |
| 1836 | goto error; |
| 1837 | return 0; |
| 1838 | |
| 1839 | error: |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1840 | set_bit(STATUS_EXIT_PENDING, &priv->status); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1841 | __iwl_down(priv); |
Mohamed Abbas | 64e72c3e | 2008-06-12 09:47:03 +0800 | [diff] [blame] | 1842 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1843 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1844 | IWL_ERR(priv, "Unable to initialize device.\n"); |
| 1845 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1846 | } |
| 1847 | |
| 1848 | |
| 1849 | /***************************************************************************** |
| 1850 | * |
| 1851 | * Workqueue callbacks |
| 1852 | * |
| 1853 | *****************************************************************************/ |
| 1854 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1855 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 1856 | { |
| 1857 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 1858 | run_time_calib_work); |
| 1859 | |
| 1860 | mutex_lock(&priv->mutex); |
| 1861 | |
| 1862 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
| 1863 | test_bit(STATUS_SCANNING, &priv->status)) { |
| 1864 | mutex_unlock(&priv->mutex); |
| 1865 | return; |
| 1866 | } |
| 1867 | |
| 1868 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 1869 | iwl_chain_noise_calibration(priv); |
| 1870 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1871 | } |
| 1872 | |
| 1873 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 1874 | } |
| 1875 | |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1876 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
| 1877 | { |
| 1878 | struct iwl_rxon_context *ctx; |
| 1879 | bool bt_full_concurrent; |
| 1880 | u8 bt_ci_compliance; |
| 1881 | u8 bt_load; |
| 1882 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1883 | bool bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1884 | |
| 1885 | lockdep_assert_held(&priv->mutex); |
| 1886 | |
| 1887 | for_each_context(priv, ctx) |
| 1888 | ctx->vif = NULL; |
| 1889 | priv->is_open = 0; |
| 1890 | |
| 1891 | /* |
| 1892 | * __iwl_down() will clear the BT status variables, |
| 1893 | * which is correct, but when we restart we really |
| 1894 | * want to keep them so restore them afterwards. |
| 1895 | * |
| 1896 | * The restart process will later pick them up and |
| 1897 | * re-configure the hw when we reconfigure the BT |
| 1898 | * command. |
| 1899 | */ |
| 1900 | bt_full_concurrent = priv->bt_full_concurrent; |
| 1901 | bt_ci_compliance = priv->bt_ci_compliance; |
| 1902 | bt_load = priv->bt_traffic_load; |
| 1903 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1904 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1905 | |
| 1906 | __iwl_down(priv); |
| 1907 | |
| 1908 | priv->bt_full_concurrent = bt_full_concurrent; |
| 1909 | priv->bt_ci_compliance = bt_ci_compliance; |
| 1910 | priv->bt_traffic_load = bt_load; |
| 1911 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 1912 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1913 | } |
| 1914 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 1915 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1916 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 1917 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1918 | |
| 1919 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 1920 | return; |
| 1921 | |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1922 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { |
| 1923 | mutex_lock(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 1924 | iwlagn_prepare_restart(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1925 | mutex_unlock(&priv->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 1926 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1927 | ieee80211_restart_hw(priv->hw); |
| 1928 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1929 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 1930 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1931 | } |
| 1932 | |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 1933 | static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, |
| 1934 | struct ieee80211_channel *chan, |
| 1935 | enum nl80211_channel_type channel_type, |
| 1936 | unsigned int wait) |
| 1937 | { |
| 1938 | struct iwl_priv *priv = hw->priv; |
| 1939 | int ret; |
| 1940 | |
| 1941 | /* Not supported if we don't have PAN */ |
| 1942 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) { |
| 1943 | ret = -EOPNOTSUPP; |
| 1944 | goto free; |
| 1945 | } |
| 1946 | |
| 1947 | /* Not supported on pre-P2P firmware */ |
| 1948 | if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & |
| 1949 | BIT(NL80211_IFTYPE_P2P_CLIENT))) { |
| 1950 | ret = -EOPNOTSUPP; |
| 1951 | goto free; |
| 1952 | } |
| 1953 | |
| 1954 | mutex_lock(&priv->mutex); |
| 1955 | |
| 1956 | if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) { |
| 1957 | /* |
| 1958 | * If the PAN context is free, use the normal |
| 1959 | * way of doing remain-on-channel offload + TX. |
| 1960 | */ |
| 1961 | ret = 1; |
| 1962 | goto out; |
| 1963 | } |
| 1964 | |
| 1965 | /* TODO: queue up if scanning? */ |
| 1966 | if (test_bit(STATUS_SCANNING, &priv->status) || |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1967 | priv->offchan_tx_skb) { |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 1968 | ret = -EBUSY; |
| 1969 | goto out; |
| 1970 | } |
| 1971 | |
| 1972 | /* |
| 1973 | * max_scan_ie_len doesn't include the blank SSID or the header, |
| 1974 | * so need to add that again here. |
| 1975 | */ |
| 1976 | if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) { |
| 1977 | ret = -ENOBUFS; |
| 1978 | goto out; |
| 1979 | } |
| 1980 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1981 | priv->offchan_tx_skb = skb; |
| 1982 | priv->offchan_tx_timeout = wait; |
| 1983 | priv->offchan_tx_chan = chan; |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 1984 | |
| 1985 | ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif, |
| 1986 | IWL_SCAN_OFFCH_TX, chan->band); |
| 1987 | if (ret) |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 1988 | priv->offchan_tx_skb = NULL; |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 1989 | out: |
| 1990 | mutex_unlock(&priv->mutex); |
| 1991 | free: |
| 1992 | if (ret < 0) |
| 1993 | kfree_skb(skb); |
| 1994 | |
| 1995 | return ret; |
| 1996 | } |
| 1997 | |
| 1998 | static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw) |
| 1999 | { |
| 2000 | struct iwl_priv *priv = hw->priv; |
| 2001 | int ret; |
| 2002 | |
| 2003 | mutex_lock(&priv->mutex); |
| 2004 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2005 | if (!priv->offchan_tx_skb) { |
Dan Carpenter | f8a22a2 | 2011-03-15 10:01:58 +0300 | [diff] [blame] | 2006 | ret = -EINVAL; |
| 2007 | goto unlock; |
| 2008 | } |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2009 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2010 | priv->offchan_tx_skb = NULL; |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2011 | |
| 2012 | ret = iwl_scan_cancel_timeout(priv, 200); |
| 2013 | if (ret) |
| 2014 | ret = -EIO; |
Dan Carpenter | f8a22a2 | 2011-03-15 10:01:58 +0300 | [diff] [blame] | 2015 | unlock: |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2016 | mutex_unlock(&priv->mutex); |
| 2017 | |
| 2018 | return ret; |
| 2019 | } |
| 2020 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2021 | /***************************************************************************** |
| 2022 | * |
| 2023 | * mac80211 entry point functions |
| 2024 | * |
| 2025 | *****************************************************************************/ |
| 2026 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2027 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
| 2028 | { |
| 2029 | .max = 1, |
| 2030 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2031 | }, |
| 2032 | { |
| 2033 | .max = 1, |
| 2034 | .types = BIT(NL80211_IFTYPE_AP), |
| 2035 | }, |
| 2036 | }; |
| 2037 | |
| 2038 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { |
| 2039 | { |
| 2040 | .max = 2, |
| 2041 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2042 | }, |
| 2043 | }; |
| 2044 | |
| 2045 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { |
| 2046 | { |
| 2047 | .max = 1, |
| 2048 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2049 | }, |
| 2050 | { |
| 2051 | .max = 1, |
| 2052 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
| 2053 | BIT(NL80211_IFTYPE_AP), |
| 2054 | }, |
| 2055 | }; |
| 2056 | |
| 2057 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { |
| 2058 | { |
| 2059 | .max = 2, |
| 2060 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2061 | }, |
| 2062 | { |
| 2063 | .max = 1, |
| 2064 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), |
| 2065 | }, |
| 2066 | }; |
| 2067 | |
| 2068 | static const struct ieee80211_iface_combination |
| 2069 | iwlagn_iface_combinations_dualmode[] = { |
| 2070 | { .num_different_channels = 1, |
| 2071 | .max_interfaces = 2, |
| 2072 | .beacon_int_infra_match = true, |
| 2073 | .limits = iwlagn_sta_ap_limits, |
| 2074 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), |
| 2075 | }, |
| 2076 | { .num_different_channels = 1, |
| 2077 | .max_interfaces = 2, |
| 2078 | .limits = iwlagn_2sta_limits, |
| 2079 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), |
| 2080 | }, |
| 2081 | }; |
| 2082 | |
| 2083 | static const struct ieee80211_iface_combination |
| 2084 | iwlagn_iface_combinations_p2p[] = { |
| 2085 | { .num_different_channels = 1, |
| 2086 | .max_interfaces = 2, |
| 2087 | .beacon_int_infra_match = true, |
| 2088 | .limits = iwlagn_p2p_sta_go_limits, |
| 2089 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), |
| 2090 | }, |
| 2091 | { .num_different_channels = 1, |
| 2092 | .max_interfaces = 2, |
| 2093 | .limits = iwlagn_p2p_2sta_limits, |
| 2094 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), |
| 2095 | }, |
| 2096 | }; |
| 2097 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2098 | /* |
| 2099 | * Not a mac80211 entry point function, but it fits in with all the |
| 2100 | * other mac80211 functions grouped here. |
| 2101 | */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2102 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 2103 | struct iwlagn_ucode_capabilities *capa) |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2104 | { |
| 2105 | int ret; |
| 2106 | struct ieee80211_hw *hw = priv->hw; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2107 | struct iwl_rxon_context *ctx; |
| 2108 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2109 | hw->rate_control_algorithm = "iwl-agn-rs"; |
| 2110 | |
| 2111 | /* Tell mac80211 our characteristics */ |
| 2112 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2113 | IEEE80211_HW_AMPDU_AGGREGATION | |
Johannes Berg | 2491fa4 | 2010-08-23 10:46:52 +0200 | [diff] [blame] | 2114 | IEEE80211_HW_NEED_DTIM_PERIOD | |
Johannes Berg | 6fb5511 | 2010-11-16 11:55:02 -0800 | [diff] [blame] | 2115 | IEEE80211_HW_SPECTRUM_MGMT | |
| 2116 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2117 | |
Johannes Berg | 9b76883 | 2011-01-19 02:54:18 -0800 | [diff] [blame] | 2118 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 2119 | |
Wey-Yi Guy | 23c0fcc | 2011-04-01 16:29:53 -0700 | [diff] [blame] | 2120 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
| 2121 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2122 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 2123 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 2124 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
| 2125 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; |
| 2126 | |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 2127 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
| 2128 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; |
| 2129 | |
Reinette Chatre | 8d9698b | 2009-10-16 14:25:55 -0700 | [diff] [blame] | 2130 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2131 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
| 2132 | |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2133 | for_each_context(priv, ctx) { |
| 2134 | hw->wiphy->interface_modes |= ctx->interface_modes; |
| 2135 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; |
| 2136 | } |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2137 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2138 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 2139 | |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 2140 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2141 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
| 2142 | hw->wiphy->n_iface_combinations = |
| 2143 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 2144 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2145 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
| 2146 | hw->wiphy->n_iface_combinations = |
| 2147 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); |
| 2148 | } |
| 2149 | |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2150 | hw->wiphy->max_remain_on_channel_duration = 1000; |
| 2151 | |
Reinette Chatre | f6c8f15 | 2010-03-12 11:13:26 -0800 | [diff] [blame] | 2152 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2153 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
| 2154 | WIPHY_FLAG_IBSS_RSN; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2155 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 2156 | if (iwlagn_mod_params.power_save) |
| 2157 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 2158 | else |
| 2159 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2160 | |
Reinette Chatre | 1382c71 | 2010-02-25 10:02:19 -0800 | [diff] [blame] | 2161 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2162 | /* we create the 802.11 header and a zero-length SSID element */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2163 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2164 | |
| 2165 | /* Default value; 4 EDCA QOS priorities */ |
| 2166 | hw->queues = 4; |
| 2167 | |
| 2168 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
| 2169 | |
| 2170 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 2171 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 2172 | &priv->bands[IEEE80211_BAND_2GHZ]; |
| 2173 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) |
| 2174 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 2175 | &priv->bands[IEEE80211_BAND_5GHZ]; |
| 2176 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 2177 | iwl_leds_init(priv); |
| 2178 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2179 | ret = ieee80211_register_hw(priv->hw); |
| 2180 | if (ret) { |
| 2181 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); |
| 2182 | return ret; |
| 2183 | } |
| 2184 | priv->mac80211_registered = 1; |
| 2185 | |
| 2186 | return 0; |
| 2187 | } |
| 2188 | |
| 2189 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2190 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2191 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2192 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2193 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2194 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2195 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2196 | |
| 2197 | /* we should be verifying the device is ready to be opened */ |
| 2198 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2199 | ret = __iwl_up(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2200 | mutex_unlock(&priv->mutex); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2201 | if (ret) |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2202 | return ret; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2203 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2204 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2205 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2206 | /* Now we should be done, and the READY bit should be set. */ |
| 2207 | if (WARN_ON(!test_bit(STATUS_READY, &priv->status))) |
| 2208 | ret = -EIO; |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 2209 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 2210 | iwlagn_led_enable(priv); |
Johannes Berg | e932a60 | 2009-10-02 13:44:03 -0700 | [diff] [blame] | 2211 | |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 2212 | priv->is_open = 1; |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2213 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2214 | return 0; |
| 2215 | } |
| 2216 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2217 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2218 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2219 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2220 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2221 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 2222 | |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2223 | if (!priv->is_open) |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2224 | return; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2225 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2226 | priv->is_open = 0; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2227 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2228 | iwl_down(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2229 | |
| 2230 | flush_workqueue(priv->workqueue); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2231 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 2232 | /* User space software may expect getting rfkill changes |
| 2233 | * even if interface is down */ |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2234 | iwl_write32(priv, CSR_INT, 0xFFFFFFFF); |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 2235 | iwl_enable_rfkill_int(priv); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 2236 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2237 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2238 | } |
| 2239 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2240 | 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] | 2241 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2242 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2243 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2244 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2245 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2246 | 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] | 2247 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2248 | |
Wey-Yi Guy | 74bcdb3 | 2010-03-17 13:34:34 -0700 | [diff] [blame] | 2249 | if (iwlagn_tx_skb(priv, skb)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2250 | dev_kfree_skb_any(skb); |
| 2251 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2252 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2253 | } |
| 2254 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2255 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
| 2256 | struct ieee80211_vif *vif, |
| 2257 | struct ieee80211_key_conf *keyconf, |
| 2258 | struct ieee80211_sta *sta, |
| 2259 | u32 iv32, u16 *phase1key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2260 | { |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2261 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2262 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2263 | iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); |
Emmanuel Grumbach | ab885f8 | 2008-03-20 15:06:43 +0200 | [diff] [blame] | 2264 | } |
| 2265 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2266 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2267 | struct ieee80211_vif *vif, |
| 2268 | struct ieee80211_sta *sta, |
| 2269 | struct ieee80211_key_conf *key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2270 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2271 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2272 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2273 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
Winkler, Tomas | 4298679 | 2009-01-19 15:30:22 -0800 | [diff] [blame] | 2274 | int ret; |
Winkler, Tomas | 4298679 | 2009-01-19 15:30:22 -0800 | [diff] [blame] | 2275 | bool is_default_wep_key = false; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2276 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2277 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2278 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 2279 | if (iwlagn_mod_params.sw_crypto) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2280 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2281 | return -EOPNOTSUPP; |
| 2282 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2283 | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2284 | /* |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2285 | * We could program these keys into the hardware as well, but we |
| 2286 | * don't expect much multicast traffic in IBSS and having keys |
| 2287 | * for more stations is probably more useful. |
| 2288 | * |
| 2289 | * Mark key TX-only and return 0. |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2290 | */ |
| 2291 | if (vif->type == NL80211_IFTYPE_ADHOC && |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2292 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
| 2293 | key->hw_key_idx = WEP_INVALID_OFFSET; |
| 2294 | return 0; |
| 2295 | } |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2296 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2297 | /* If they key was TX-only, accept deletion */ |
| 2298 | if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) |
| 2299 | return 0; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2300 | |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2301 | mutex_lock(&priv->mutex); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2302 | iwl_scan_cancel_timeout(priv, 100); |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2303 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2304 | BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); |
| 2305 | |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2306 | /* |
| 2307 | * 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] | 2308 | * so far, we are in legacy wep mode (group key only), otherwise we are |
| 2309 | * in 1X mode. |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2310 | * In legacy wep mode, we use another host command to the uCode. |
| 2311 | */ |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2312 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2313 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2314 | if (cmd == SET_KEY) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2315 | is_default_wep_key = !ctx->key_mapping_keys; |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2316 | else |
Emmanuel Grumbach | ccc038a | 2008-05-15 13:54:09 +0800 | [diff] [blame] | 2317 | is_default_wep_key = |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2318 | key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2319 | } |
mabbas | 052c4b9 | 2007-10-25 17:15:43 +0800 | [diff] [blame] | 2320 | |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2321 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2322 | switch (cmd) { |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2323 | case SET_KEY: |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2324 | if (is_default_wep_key) { |
Johannes Berg | 2995baf | 2010-08-23 10:46:42 +0200 | [diff] [blame] | 2325 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2326 | break; |
| 2327 | } |
| 2328 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); |
| 2329 | if (ret) { |
| 2330 | /* |
| 2331 | * can't add key for RX, but we don't need it |
| 2332 | * in the device for TX so still return 0 |
| 2333 | */ |
| 2334 | ret = 0; |
| 2335 | key->hw_key_idx = WEP_INVALID_OFFSET; |
| 2336 | } |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2337 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2338 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2339 | break; |
| 2340 | case DISABLE_KEY: |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2341 | if (is_default_wep_key) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2342 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2343 | else |
Johannes Berg | 5a3d988 | 2011-07-15 13:03:12 -0700 | [diff] [blame^] | 2344 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2345 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2346 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2347 | break; |
| 2348 | default: |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2349 | ret = -EINVAL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2350 | } |
| 2351 | |
Johannes Berg | 72e15d7 | 2010-02-19 11:42:32 -0800 | [diff] [blame] | 2352 | mutex_unlock(&priv->mutex); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2353 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2354 | |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2355 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2356 | } |
| 2357 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2358 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
| 2359 | struct ieee80211_vif *vif, |
| 2360 | enum ieee80211_ampdu_mlme_action action, |
| 2361 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 2362 | u8 buf_size) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2363 | { |
| 2364 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2365 | int ret = -EINVAL; |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2366 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2367 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2368 | 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] | 2369 | sta->addr, tid); |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2370 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 2371 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2372 | return -EACCES; |
| 2373 | |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2374 | mutex_lock(&priv->mutex); |
| 2375 | |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2376 | switch (action) { |
| 2377 | case IEEE80211_AMPDU_RX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2378 | IWL_DEBUG_HT(priv, "start Rx\n"); |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2379 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
| 2380 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2381 | case IEEE80211_AMPDU_RX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2382 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2383 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
Wey-Yi Guy | 5c2207c | 2009-03-17 21:51:43 -0700 | [diff] [blame] | 2384 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2385 | ret = 0; |
| 2386 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2387 | case IEEE80211_AMPDU_TX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2388 | IWL_DEBUG_HT(priv, "start Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2389 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2390 | if (ret == 0) { |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2391 | priv->agg_tids_count++; |
| 2392 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", |
| 2393 | priv->agg_tids_count); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2394 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2395 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2396 | case IEEE80211_AMPDU_TX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2397 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2398 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2399 | if ((ret == 0) && (priv->agg_tids_count > 0)) { |
| 2400 | priv->agg_tids_count--; |
| 2401 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", |
| 2402 | priv->agg_tids_count); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2403 | } |
Wey-Yi Guy | 5c2207c | 2009-03-17 21:51:43 -0700 | [diff] [blame] | 2404 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2405 | ret = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2406 | if (priv->cfg->ht_params && |
| 2407 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2408 | /* |
| 2409 | * switch off RTS/CTS if it was previously enabled |
| 2410 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2411 | sta_priv->lq_sta.lq.general_params.flags &= |
| 2412 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Johannes Berg | 7e6a588 | 2010-08-23 10:46:46 +0200 | [diff] [blame] | 2413 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2414 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2415 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2416 | break; |
Wey-Yi Guy | f052797 | 2010-01-08 10:04:41 -0800 | [diff] [blame] | 2417 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Johannes Berg | c8823ec | 2011-03-15 11:33:03 -0700 | [diff] [blame] | 2418 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
| 2419 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 2420 | trans_txq_agg_setup(&priv->trans, iwl_sta_id(sta), tid, |
| 2421 | buf_size); |
Johannes Berg | c8823ec | 2011-03-15 11:33:03 -0700 | [diff] [blame] | 2422 | |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2423 | /* |
| 2424 | * If the limit is 0, then it wasn't initialised yet, |
| 2425 | * use the default. We can do that since we take the |
| 2426 | * minimum below, and we don't want to go above our |
| 2427 | * default due to hardware restrictions. |
| 2428 | */ |
| 2429 | if (sta_priv->max_agg_bufsize == 0) |
| 2430 | sta_priv->max_agg_bufsize = |
| 2431 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 2432 | |
| 2433 | /* |
| 2434 | * Even though in theory the peer could have different |
| 2435 | * aggregation reorder buffer sizes for different sessions, |
| 2436 | * our ucode doesn't allow for that and has a global limit |
| 2437 | * for each station. Therefore, use the minimum of all the |
| 2438 | * aggregation sessions and our default value. |
| 2439 | */ |
| 2440 | sta_priv->max_agg_bufsize = |
| 2441 | min(sta_priv->max_agg_bufsize, buf_size); |
| 2442 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2443 | if (priv->cfg->ht_params && |
| 2444 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2445 | /* |
| 2446 | * switch to RTS/CTS if it is the prefer protection |
| 2447 | * method for HT traffic |
| 2448 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2449 | |
| 2450 | sta_priv->lq_sta.lq.general_params.flags |= |
| 2451 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2452 | } |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2453 | |
| 2454 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = |
| 2455 | sta_priv->max_agg_bufsize; |
| 2456 | |
| 2457 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2458 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Wey-Yi Guy | 5bc9890 | 2011-05-27 08:40:32 -0700 | [diff] [blame] | 2459 | |
| 2460 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", |
| 2461 | sta->addr, tid); |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2462 | ret = 0; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2463 | break; |
| 2464 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2465 | mutex_unlock(&priv->mutex); |
| 2466 | |
| 2467 | return ret; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2468 | } |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2469 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2470 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
| 2471 | struct ieee80211_vif *vif, |
| 2472 | struct ieee80211_sta *sta) |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2473 | { |
| 2474 | struct iwl_priv *priv = hw->priv; |
| 2475 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2476 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | eafdfbd3 | 2010-04-29 04:43:04 -0700 | [diff] [blame] | 2477 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2478 | int ret; |
| 2479 | u8 sta_id; |
| 2480 | |
| 2481 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", |
| 2482 | sta->addr); |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2483 | mutex_lock(&priv->mutex); |
| 2484 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
| 2485 | sta->addr); |
| 2486 | sta_priv->common.sta_id = IWL_INVALID_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2487 | |
| 2488 | atomic_set(&sta_priv->pending_frames, 0); |
| 2489 | if (vif->type == NL80211_IFTYPE_AP) |
| 2490 | sta_priv->client = true; |
| 2491 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2492 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
Johannes Berg | 238d781 | 2010-08-23 10:46:45 +0200 | [diff] [blame] | 2493 | is_ap, sta, &sta_id); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2494 | if (ret) { |
| 2495 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", |
| 2496 | sta->addr, ret); |
| 2497 | /* Should we return success if return code is EEXIST ? */ |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2498 | mutex_unlock(&priv->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2499 | return ret; |
| 2500 | } |
| 2501 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2502 | sta_priv->common.sta_id = sta_id; |
| 2503 | |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2504 | /* Initialize rate scaling */ |
Frans Pop | 91dd6c2 | 2010-03-24 14:19:58 -0700 | [diff] [blame] | 2505 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2506 | sta->addr); |
| 2507 | iwl_rs_rate_init(priv, sta, sta_id); |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2508 | mutex_unlock(&priv->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2509 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2510 | return 0; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2511 | } |
| 2512 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2513 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
| 2514 | struct ieee80211_channel_switch *ch_switch) |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2515 | { |
| 2516 | struct iwl_priv *priv = hw->priv; |
| 2517 | const struct iwl_channel_info *ch_info; |
| 2518 | struct ieee80211_conf *conf = &hw->conf; |
Shanyu Zhao | aa2dc6b | 2010-07-28 13:40:39 -0700 | [diff] [blame] | 2519 | struct ieee80211_channel *channel = ch_switch->channel; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2520 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2521 | /* |
| 2522 | * MULTI-FIXME |
| 2523 | * When we add support for multiple interfaces, we need to |
| 2524 | * revisit this. The channel switch command in the device |
| 2525 | * only affects the BSS context, but what does that really |
| 2526 | * mean? And what if we get a CSA on the second interface? |
| 2527 | * This needs a lot of work. |
| 2528 | */ |
| 2529 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2530 | u16 ch; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2531 | |
| 2532 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2533 | |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2534 | mutex_lock(&priv->mutex); |
| 2535 | |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2536 | if (iwl_is_rfkill(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2537 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2538 | |
| 2539 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
Stanislaw Gruszka | 6f213ff | 2011-06-02 18:17:15 +0200 | [diff] [blame] | 2540 | test_bit(STATUS_SCANNING, &priv->status) || |
| 2541 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2542 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2543 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2544 | if (!iwl_is_associated_ctx(ctx)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2545 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2546 | |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 2547 | if (!priv->cfg->lib->set_channel_switch) |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2548 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2549 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2550 | ch = channel->hw_value; |
| 2551 | if (le16_to_cpu(ctx->active.channel) == ch) |
| 2552 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2553 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2554 | ch_info = iwl_get_channel_info(priv, channel->band, ch); |
| 2555 | if (!is_channel_valid(ch_info)) { |
| 2556 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); |
| 2557 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2558 | } |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2559 | |
| 2560 | spin_lock_irq(&priv->lock); |
| 2561 | |
| 2562 | priv->current_ht_config.smps = conf->smps_mode; |
| 2563 | |
| 2564 | /* Configure HT40 channels */ |
| 2565 | ctx->ht.enabled = conf_is_ht(conf); |
| 2566 | if (ctx->ht.enabled) { |
| 2567 | if (conf_is_ht40_minus(conf)) { |
| 2568 | ctx->ht.extension_chan_offset = |
| 2569 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 2570 | ctx->ht.is_40mhz = true; |
| 2571 | } else if (conf_is_ht40_plus(conf)) { |
| 2572 | ctx->ht.extension_chan_offset = |
| 2573 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 2574 | ctx->ht.is_40mhz = true; |
| 2575 | } else { |
| 2576 | ctx->ht.extension_chan_offset = |
| 2577 | IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 2578 | ctx->ht.is_40mhz = false; |
| 2579 | } |
| 2580 | } else |
| 2581 | ctx->ht.is_40mhz = false; |
| 2582 | |
| 2583 | if ((le16_to_cpu(ctx->staging.channel) != ch)) |
| 2584 | ctx->staging.flags = 0; |
| 2585 | |
| 2586 | iwl_set_rxon_channel(priv, channel, ctx); |
| 2587 | iwl_set_rxon_ht(priv, ht_conf); |
| 2588 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); |
| 2589 | |
| 2590 | spin_unlock_irq(&priv->lock); |
| 2591 | |
| 2592 | iwl_set_rate(priv); |
| 2593 | /* |
| 2594 | * at this point, staging_rxon has the |
| 2595 | * configuration for channel switch |
| 2596 | */ |
| 2597 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); |
| 2598 | priv->switch_channel = cpu_to_le16(ch); |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 2599 | if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2600 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); |
| 2601 | priv->switch_channel = 0; |
| 2602 | ieee80211_chswitch_done(ctx->vif, false); |
| 2603 | } |
| 2604 | |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2605 | out: |
| 2606 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2607 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2608 | } |
| 2609 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2610 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
| 2611 | unsigned int changed_flags, |
| 2612 | unsigned int *total_flags, |
| 2613 | u64 multicast) |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2614 | { |
| 2615 | struct iwl_priv *priv = hw->priv; |
| 2616 | __le32 filter_or = 0, filter_nand = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2617 | struct iwl_rxon_context *ctx; |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2618 | |
| 2619 | #define CHK(test, flag) do { \ |
| 2620 | if (*total_flags & (test)) \ |
| 2621 | filter_or |= (flag); \ |
| 2622 | else \ |
| 2623 | filter_nand |= (flag); \ |
| 2624 | } while (0) |
| 2625 | |
| 2626 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", |
| 2627 | changed_flags, *total_flags); |
| 2628 | |
| 2629 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); |
Johannes Berg | bdb84fe | 2010-12-15 06:07:56 -0800 | [diff] [blame] | 2630 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
| 2631 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2632 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
| 2633 | |
| 2634 | #undef CHK |
| 2635 | |
| 2636 | mutex_lock(&priv->mutex); |
| 2637 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2638 | for_each_context(priv, ctx) { |
| 2639 | ctx->staging.filter_flags &= ~filter_nand; |
| 2640 | ctx->staging.filter_flags |= filter_or; |
Stanislaw Gruszka | 749ff4ef | 2010-10-22 17:04:27 +0200 | [diff] [blame] | 2641 | |
| 2642 | /* |
| 2643 | * Not committing directly because hardware can perform a scan, |
| 2644 | * but we'll eventually commit the filter flags change anyway. |
| 2645 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2646 | } |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2647 | |
| 2648 | mutex_unlock(&priv->mutex); |
| 2649 | |
| 2650 | /* |
| 2651 | * Receiving all multicast frames is always enabled by the |
| 2652 | * default flags setup in iwl_connection_init_rx_config() |
| 2653 | * since we currently do not support programming multicast |
| 2654 | * filters into the device. |
| 2655 | */ |
| 2656 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | |
| 2657 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; |
| 2658 | } |
| 2659 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2660 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2661 | { |
| 2662 | struct iwl_priv *priv = hw->priv; |
| 2663 | |
| 2664 | mutex_lock(&priv->mutex); |
| 2665 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2666 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2667 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { |
| 2668 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
| 2669 | goto done; |
| 2670 | } |
| 2671 | if (iwl_is_rfkill(priv)) { |
| 2672 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
| 2673 | goto done; |
| 2674 | } |
| 2675 | |
| 2676 | /* |
| 2677 | * mac80211 will not push any more frames for transmit |
| 2678 | * until the flush is completed |
| 2679 | */ |
| 2680 | if (drop) { |
| 2681 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 2682 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 2683 | IWL_ERR(priv, "flush request fail\n"); |
| 2684 | goto done; |
| 2685 | } |
| 2686 | } |
| 2687 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); |
| 2688 | iwlagn_wait_tx_queue_empty(priv); |
| 2689 | done: |
| 2690 | mutex_unlock(&priv->mutex); |
| 2691 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 2692 | } |
| 2693 | |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2694 | static void iwlagn_disable_roc(struct iwl_priv *priv) |
| 2695 | { |
| 2696 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
| 2697 | struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel); |
| 2698 | |
| 2699 | lockdep_assert_held(&priv->mutex); |
| 2700 | |
| 2701 | if (!ctx->is_active) |
| 2702 | return; |
| 2703 | |
| 2704 | ctx->staging.dev_type = RXON_DEV_TYPE_2STA; |
| 2705 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 2706 | iwl_set_rxon_channel(priv, chan, ctx); |
| 2707 | iwl_set_flags_for_band(priv, ctx, chan->band, NULL); |
| 2708 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2709 | priv->hw_roc_channel = NULL; |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2710 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 2711 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2712 | |
| 2713 | ctx->is_active = false; |
| 2714 | } |
| 2715 | |
| 2716 | static void iwlagn_bg_roc_done(struct work_struct *work) |
| 2717 | { |
| 2718 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2719 | hw_roc_work.work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2720 | |
| 2721 | mutex_lock(&priv->mutex); |
| 2722 | ieee80211_remain_on_channel_expired(priv->hw); |
| 2723 | iwlagn_disable_roc(priv); |
| 2724 | mutex_unlock(&priv->mutex); |
| 2725 | } |
| 2726 | |
| 2727 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, |
| 2728 | struct ieee80211_channel *channel, |
| 2729 | enum nl80211_channel_type channel_type, |
| 2730 | int duration) |
| 2731 | { |
| 2732 | struct iwl_priv *priv = hw->priv; |
| 2733 | int err = 0; |
| 2734 | |
| 2735 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 2736 | return -EOPNOTSUPP; |
| 2737 | |
| 2738 | if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & |
| 2739 | BIT(NL80211_IFTYPE_P2P_CLIENT))) |
| 2740 | return -EOPNOTSUPP; |
| 2741 | |
| 2742 | mutex_lock(&priv->mutex); |
| 2743 | |
| 2744 | if (priv->contexts[IWL_RXON_CTX_PAN].is_active || |
| 2745 | test_bit(STATUS_SCAN_HW, &priv->status)) { |
| 2746 | err = -EBUSY; |
| 2747 | goto out; |
| 2748 | } |
| 2749 | |
| 2750 | priv->contexts[IWL_RXON_CTX_PAN].is_active = true; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2751 | priv->hw_roc_channel = channel; |
| 2752 | priv->hw_roc_chantype = channel_type; |
| 2753 | priv->hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 2754 | iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2755 | queue_delayed_work(priv->workqueue, &priv->hw_roc_work, |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2756 | msecs_to_jiffies(duration + 20)); |
| 2757 | |
Johannes Berg | 9407391 | 2011-01-06 08:07:11 -0800 | [diff] [blame] | 2758 | msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */ |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2759 | ieee80211_ready_on_channel(priv->hw); |
| 2760 | |
| 2761 | out: |
| 2762 | mutex_unlock(&priv->mutex); |
| 2763 | |
| 2764 | return err; |
| 2765 | } |
| 2766 | |
| 2767 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) |
| 2768 | { |
| 2769 | struct iwl_priv *priv = hw->priv; |
| 2770 | |
| 2771 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 2772 | return -EOPNOTSUPP; |
| 2773 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2774 | cancel_delayed_work_sync(&priv->hw_roc_work); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2775 | |
| 2776 | mutex_lock(&priv->mutex); |
| 2777 | iwlagn_disable_roc(priv); |
| 2778 | mutex_unlock(&priv->mutex); |
| 2779 | |
| 2780 | return 0; |
| 2781 | } |
| 2782 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2783 | /***************************************************************************** |
| 2784 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2785 | * driver setup and teardown |
| 2786 | * |
| 2787 | *****************************************************************************/ |
| 2788 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2789 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2790 | { |
Reinette Chatre | d21050c | 2009-02-13 11:51:18 -0800 | [diff] [blame] | 2791 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2792 | |
| 2793 | init_waitqueue_head(&priv->wait_command_queue); |
| 2794 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2795 | INIT_WORK(&priv->restart, iwl_bg_restart); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2796 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 2797 | 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] | 2798 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2799 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 2800 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2801 | INIT_DELAYED_WORK(&priv->hw_roc_work, iwlagn_bg_roc_done); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2802 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2803 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2804 | |
Emmanuel Grumbach | 6bd4dba | 2011-07-03 15:45:34 +0300 | [diff] [blame] | 2805 | if (priv->cfg->lib->bt_setup_deferred_work) |
| 2806 | priv->cfg->lib->bt_setup_deferred_work(priv); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2807 | |
| 2808 | init_timer(&priv->statistics_periodic); |
| 2809 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2810 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2811 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 2812 | init_timer(&priv->ucode_trace); |
| 2813 | priv->ucode_trace.data = (unsigned long)priv; |
| 2814 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 2815 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 2816 | init_timer(&priv->watchdog); |
| 2817 | priv->watchdog.data = (unsigned long)priv; |
| 2818 | priv->watchdog.function = iwl_bg_watchdog; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2819 | } |
| 2820 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2821 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2822 | { |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 2823 | if (priv->cfg->lib->cancel_deferred_work) |
| 2824 | priv->cfg->lib->cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2825 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 2826 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2827 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 2828 | |
| 2829 | iwl_cancel_scan_deferred_work(priv); |
| 2830 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2831 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 2832 | cancel_work_sync(&priv->bt_runtime_config); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 2833 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2834 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 2835 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2836 | } |
| 2837 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2838 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
| 2839 | struct ieee80211_rate *rates) |
| 2840 | { |
| 2841 | int i; |
| 2842 | |
| 2843 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 2844 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 2845 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 2846 | rates[i].hw_value_short = i; |
| 2847 | rates[i].flags = 0; |
| 2848 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 2849 | /* |
| 2850 | * If CCK != 1M then set short preamble rate flag. |
| 2851 | */ |
| 2852 | rates[i].flags |= |
| 2853 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 2854 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 2855 | } |
| 2856 | } |
| 2857 | } |
| 2858 | |
| 2859 | static int iwl_init_drv(struct iwl_priv *priv) |
| 2860 | { |
| 2861 | int ret; |
| 2862 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2863 | spin_lock_init(&priv->sta_lock); |
| 2864 | spin_lock_init(&priv->hcmd_lock); |
| 2865 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2866 | mutex_init(&priv->mutex); |
| 2867 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2868 | priv->ieee_channels = NULL; |
| 2869 | priv->ieee_rates = NULL; |
| 2870 | priv->band = IEEE80211_BAND_2GHZ; |
| 2871 | |
| 2872 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 2873 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 2874 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 2875 | priv->agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2876 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 2877 | /* initialize force reset */ |
| 2878 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 2879 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 2880 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 2881 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2882 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 2883 | priv->rx_statistics_jiffies = jiffies; |
| 2884 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2885 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 2886 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2887 | |
| 2888 | iwl_init_scan_params(priv); |
| 2889 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 2890 | /* init bt coex */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2891 | if (priv->cfg->bt_params && |
| 2892 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 2893 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 2894 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 2895 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 2896 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 2897 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 2898 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 2899 | } |
| 2900 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2901 | ret = iwl_init_channel_map(priv); |
| 2902 | if (ret) { |
| 2903 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 2904 | goto err; |
| 2905 | } |
| 2906 | |
| 2907 | ret = iwlcore_init_geos(priv); |
| 2908 | if (ret) { |
| 2909 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 2910 | goto err_free_channel_map; |
| 2911 | } |
| 2912 | iwl_init_hw_rates(priv, priv->ieee_rates); |
| 2913 | |
| 2914 | return 0; |
| 2915 | |
| 2916 | err_free_channel_map: |
| 2917 | iwl_free_channel_map(priv); |
| 2918 | err: |
| 2919 | return ret; |
| 2920 | } |
| 2921 | |
| 2922 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 2923 | { |
| 2924 | iwl_calib_free_results(priv); |
| 2925 | iwlcore_free_geos(priv); |
| 2926 | iwl_free_channel_map(priv); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 2927 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 2928 | kfree(priv->beacon_cmd); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 2929 | } |
| 2930 | |
Wey-Yi Guy | 3a3b14c | 2011-07-08 08:46:24 -0700 | [diff] [blame] | 2931 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2932 | enum ieee80211_rssi_event rssi_event) |
| 2933 | { |
| 2934 | struct iwl_priv *priv = hw->priv; |
| 2935 | |
| 2936 | mutex_lock(&priv->mutex); |
| 2937 | |
| 2938 | if (priv->cfg->bt_params && |
| 2939 | priv->cfg->bt_params->advanced_bt_coexist) { |
| 2940 | if (rssi_event == RSSI_EVENT_LOW) |
| 2941 | priv->bt_enable_pspoll = true; |
| 2942 | else if (rssi_event == RSSI_EVENT_HIGH) |
| 2943 | priv->bt_enable_pspoll = false; |
| 2944 | |
| 2945 | iwlagn_send_advance_bt_config(priv); |
| 2946 | } else { |
| 2947 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," |
| 2948 | "ignoring RSSI callback\n"); |
| 2949 | } |
| 2950 | |
| 2951 | mutex_unlock(&priv->mutex); |
| 2952 | } |
| 2953 | |
Johannes Berg | dc21b54 | 2010-10-23 09:15:39 -0700 | [diff] [blame] | 2954 | struct ieee80211_ops iwlagn_hw_ops = { |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2955 | .tx = iwlagn_mac_tx, |
| 2956 | .start = iwlagn_mac_start, |
| 2957 | .stop = iwlagn_mac_stop, |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2958 | .add_interface = iwl_mac_add_interface, |
| 2959 | .remove_interface = iwl_mac_remove_interface, |
Johannes Berg | d4daaea | 2010-10-23 09:15:43 -0700 | [diff] [blame] | 2960 | .change_interface = iwl_mac_change_interface, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2961 | .config = iwlagn_mac_config, |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 2962 | .configure_filter = iwlagn_configure_filter, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2963 | .set_key = iwlagn_mac_set_key, |
| 2964 | .update_tkip_key = iwlagn_mac_update_tkip_key, |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2965 | .conf_tx = iwl_mac_conf_tx, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2966 | .bss_info_changed = iwlagn_bss_info_changed, |
| 2967 | .ampdu_action = iwlagn_mac_ampdu_action, |
Johannes Berg | 6ab10ff | 2009-11-13 11:56:37 -0800 | [diff] [blame] | 2968 | .hw_scan = iwl_mac_hw_scan, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2969 | .sta_notify = iwlagn_mac_sta_notify, |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2970 | .sta_add = iwlagn_mac_sta_add, |
| 2971 | .sta_remove = iwl_mac_sta_remove, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 2972 | .channel_switch = iwlagn_mac_channel_switch, |
| 2973 | .flush = iwlagn_mac_flush, |
Johannes Berg | a85d7cc | 2010-07-31 08:34:10 -0700 | [diff] [blame] | 2974 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2975 | .remain_on_channel = iwl_mac_remain_on_channel, |
| 2976 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2977 | .offchannel_tx = iwl_mac_offchannel_tx, |
| 2978 | .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2979 | .rssi_callback = iwl_mac_rssi_callback, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 2980 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 2981 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2982 | }; |
| 2983 | |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 2984 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 2985 | { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 2986 | return iwl_read32(priv, CSR_HW_REV); |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 2987 | } |
| 2988 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 2989 | static int iwl_set_hw_params(struct iwl_priv *priv) |
| 2990 | { |
| 2991 | priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; |
| 2992 | priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 2993 | if (iwlagn_mod_params.amsdu_size_8K) |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 2994 | priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K); |
| 2995 | else |
| 2996 | priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K); |
| 2997 | |
| 2998 | priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; |
| 2999 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 3000 | if (iwlagn_mod_params.disable_11n) |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 3001 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3002 | |
| 3003 | /* Device-specific setup */ |
Wey-Yi Guy | 90c300c | 2011-07-07 08:33:01 -0700 | [diff] [blame] | 3004 | return priv->cfg->lib->set_hw_params(priv); |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3005 | } |
| 3006 | |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3007 | static const u8 iwlagn_bss_ac_to_fifo[] = { |
| 3008 | IWL_TX_FIFO_VO, |
| 3009 | IWL_TX_FIFO_VI, |
| 3010 | IWL_TX_FIFO_BE, |
| 3011 | IWL_TX_FIFO_BK, |
| 3012 | }; |
| 3013 | |
| 3014 | static const u8 iwlagn_bss_ac_to_queue[] = { |
| 3015 | 0, 1, 2, 3, |
| 3016 | }; |
| 3017 | |
| 3018 | static const u8 iwlagn_pan_ac_to_fifo[] = { |
| 3019 | IWL_TX_FIFO_VO_IPAN, |
| 3020 | IWL_TX_FIFO_VI_IPAN, |
| 3021 | IWL_TX_FIFO_BE_IPAN, |
| 3022 | IWL_TX_FIFO_BK_IPAN, |
| 3023 | }; |
| 3024 | |
| 3025 | static const u8 iwlagn_pan_ac_to_queue[] = { |
| 3026 | 7, 6, 5, 4, |
| 3027 | }; |
| 3028 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 3029 | /* This function both allocates and initializes hw and priv. */ |
| 3030 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) |
| 3031 | { |
| 3032 | struct iwl_priv *priv; |
| 3033 | /* mac80211 allocates memory for this device instance, including |
| 3034 | * space for this driver's private structure */ |
| 3035 | struct ieee80211_hw *hw; |
| 3036 | |
| 3037 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); |
| 3038 | if (hw == NULL) { |
| 3039 | pr_err("%s: Can not allocate network device\n", |
| 3040 | cfg->name); |
| 3041 | goto out; |
| 3042 | } |
| 3043 | |
| 3044 | priv = hw->priv; |
| 3045 | priv->hw = hw; |
| 3046 | |
| 3047 | out: |
| 3048 | return hw; |
| 3049 | } |
| 3050 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3051 | static void iwl_init_context(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3052 | { |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3053 | int i; |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 3054 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 3055 | /* |
| 3056 | * The default context is always valid, |
| 3057 | * more may be discovered when firmware |
| 3058 | * is loaded. |
| 3059 | */ |
| 3060 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
| 3061 | |
| 3062 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 3063 | priv->contexts[i].ctxid = i; |
| 3064 | |
Johannes Berg | 763cc3b | 2010-09-03 06:32:21 -0700 | [diff] [blame] | 3065 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 3066 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 3067 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 3068 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 3069 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
Johannes Berg | 8dfdb9d | 2010-08-23 10:46:38 +0200 | [diff] [blame] | 3070 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
Johannes Berg | 2995baf | 2010-08-23 10:46:42 +0200 | [diff] [blame] | 3071 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 3072 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3073 | priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo; |
| 3074 | priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3075 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 3076 | BIT(NL80211_IFTYPE_ADHOC); |
| 3077 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 3078 | BIT(NL80211_IFTYPE_STATION); |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3079 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3080 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 3081 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 3082 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3083 | |
| 3084 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3085 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 3086 | REPLY_WIPAN_RXON_TIMING; |
| 3087 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 3088 | REPLY_WIPAN_RXON_ASSOC; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3089 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 3090 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 3091 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 3092 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 3093 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3094 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo; |
| 3095 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue; |
| 3096 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3097 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 3098 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Wey-Yi Guy | f35c0c5 | 2011-01-13 17:09:29 -0800 | [diff] [blame] | 3099 | #ifdef CONFIG_IWL_P2P |
| 3100 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 3101 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); |
| 3102 | #endif |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3103 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 3104 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 3105 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3106 | |
| 3107 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3108 | } |
| 3109 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3110 | int iwl_probe(struct iwl_bus *bus, struct iwl_cfg *cfg) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3111 | { |
| 3112 | int err = 0; |
| 3113 | struct iwl_priv *priv; |
| 3114 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3115 | u16 num_mac; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3116 | u32 hw_rev; |
| 3117 | |
| 3118 | /************************ |
| 3119 | * 1. Allocating HW data |
| 3120 | ************************/ |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3121 | hw = iwl_alloc_all(cfg); |
| 3122 | if (!hw) { |
| 3123 | err = -ENOMEM; |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 3124 | goto out; |
| 3125 | } |
| 3126 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3127 | priv = hw->priv; |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3128 | priv->bus = bus; |
| 3129 | bus_set_drv_data(priv->bus, priv); |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3130 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3131 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 3132 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3133 | SET_IEEE80211_DEV(hw, priv->bus->dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3134 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3135 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Tomas Winkler | 82b9a12 | 2008-03-04 18:09:30 -0800 | [diff] [blame] | 3136 | priv->cfg = cfg; |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 3137 | priv->inta_mask = CSR_INI_SET_MASK; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3138 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3139 | err = iwl_trans_register(&priv->trans, priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3140 | if (err) |
| 3141 | goto out_free_priv; |
| 3142 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3143 | /* is antenna coupling more than 35dB ? */ |
| 3144 | priv->bt_ant_couple_ok = |
| 3145 | (iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 3146 | true : false; |
| 3147 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3148 | /* enable/disable bt channel inhibition */ |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3149 | priv->bt_ch_announce = iwlagn_bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3150 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 3151 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3152 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3153 | if (iwl_alloc_traffic_mem(priv)) |
| 3154 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3155 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 3156 | /* 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] | 3157 | * we should init now |
| 3158 | */ |
| 3159 | spin_lock_init(&priv->reg_lock); |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 3160 | spin_lock_init(&priv->lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 3161 | |
| 3162 | /* |
| 3163 | * stop and reset the on-board processor just in case it is in a |
| 3164 | * strange state ... like being left stranded by a primary kernel |
| 3165 | * and this is now the kdump kernel trying to start up |
| 3166 | */ |
| 3167 | iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); |
| 3168 | |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3169 | /*********************** |
| 3170 | * 3. Read REV register |
| 3171 | ***********************/ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3172 | hw_rev = iwl_hw_detect(priv); |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 3173 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3174 | priv->cfg->name, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3175 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3176 | if (trans_prepare_card_hw(&priv->trans)) { |
Emmanuel Grumbach | bcd4fe2 | 2011-06-09 02:55:54 -0700 | [diff] [blame] | 3177 | err = -EIO; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3178 | IWL_WARN(priv, "Failed, HW not ready\n"); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3179 | goto out_free_traffic_mem; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3180 | } |
| 3181 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3182 | /***************** |
| 3183 | * 4. Read EEPROM |
| 3184 | *****************/ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3185 | /* Read the EEPROM */ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3186 | err = iwl_eeprom_init(priv, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3187 | if (err) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3188 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3189 | goto out_free_traffic_mem; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3190 | } |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3191 | err = iwl_eeprom_check_version(priv); |
| 3192 | if (err) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 3193 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3194 | |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 3195 | err = iwl_eeprom_check_sku(priv); |
| 3196 | if (err) |
| 3197 | goto out_free_eeprom; |
| 3198 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 3199 | /* extract MAC Address */ |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 3200 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
| 3201 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 3202 | priv->hw->wiphy->addresses = priv->addresses; |
| 3203 | priv->hw->wiphy->n_addresses = 1; |
| 3204 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
| 3205 | if (num_mac > 1) { |
| 3206 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 3207 | ETH_ALEN); |
| 3208 | priv->addresses[1].addr[5]++; |
| 3209 | priv->hw->wiphy->n_addresses++; |
| 3210 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3211 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3212 | /* initialize all valid contexts */ |
| 3213 | iwl_init_context(priv); |
| 3214 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3215 | /************************ |
| 3216 | * 5. Setup HW constants |
| 3217 | ************************/ |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 3218 | if (iwl_set_hw_params(priv)) { |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3219 | err = -ENOENT; |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3220 | IWL_ERR(priv, "failed to set hw parameters\n"); |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3221 | goto out_free_eeprom; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3222 | } |
| 3223 | |
| 3224 | /******************* |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3225 | * 6. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3226 | *******************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3227 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3228 | err = iwl_init_drv(priv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3229 | if (err) |
Ron Rindjunsky | 399f490 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 3230 | goto out_free_eeprom; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3231 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3232 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3233 | /******************** |
Abhijeet Kolekar | 09f9bf7 | 2009-04-20 14:37:03 -0700 | [diff] [blame] | 3234 | * 7. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3235 | ********************/ |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3236 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 3237 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 3238 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3239 | |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3240 | /********************************************* |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3241 | * 8. Enable interrupts |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3242 | *********************************************/ |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3243 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 3244 | iwl_enable_rfkill_int(priv); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3245 | |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3246 | /* If platform's RF_KILL switch is NOT set to KILL */ |
| 3247 | if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) |
| 3248 | clear_bit(STATUS_RF_KILL_HW, &priv->status); |
| 3249 | else |
| 3250 | set_bit(STATUS_RF_KILL_HW, &priv->status); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3251 | |
Johannes Berg | a60e77e | 2009-06-04 18:26:06 +0200 | [diff] [blame] | 3252 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
| 3253 | test_bit(STATUS_RF_KILL_HW, &priv->status)); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3254 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 3255 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3256 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3257 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 3258 | init_completion(&priv->firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3259 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 3260 | err = iwl_request_firmware(priv, true); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3261 | if (err) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 3262 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3263 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3264 | return 0; |
| 3265 | |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3266 | out_destroy_workqueue: |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 3267 | destroy_workqueue(priv->workqueue); |
| 3268 | priv->workqueue = NULL; |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3269 | iwl_uninit_drv(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3270 | out_free_eeprom: |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3271 | iwl_eeprom_free(priv); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3272 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3273 | iwl_free_traffic_mem(priv); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3274 | trans_free(&priv->trans); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3275 | out_free_priv: |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 3276 | ieee80211_free_hw(priv->hw); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3277 | out: |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3278 | return err; |
| 3279 | } |
| 3280 | |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3281 | void __devexit iwl_remove(struct iwl_priv * priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3282 | { |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3283 | unsigned long flags; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3284 | |
Wey-Yi Guy | 898ed67 | 2011-07-13 08:38:57 -0700 | [diff] [blame] | 3285 | wait_for_completion(&priv->firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3286 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3287 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3288 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3289 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3290 | sysfs_remove_group(&priv->bus->dev->kobj, |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3291 | &iwl_attribute_group); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3292 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3293 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
| 3294 | * to be called and iwl_down since we are removing the device |
Gregory Greenman | 0b124c3 | 2008-09-03 11:18:50 +0800 | [diff] [blame] | 3295 | * we need to set STATUS_EXIT_PENDING bit. |
| 3296 | */ |
| 3297 | set_bit(STATUS_EXIT_PENDING, &priv->status); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3298 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 3299 | iwl_testmode_cleanup(priv); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3300 | iwl_leds_exit(priv); |
| 3301 | |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 3302 | if (priv->mac80211_registered) { |
| 3303 | ieee80211_unregister_hw(priv->hw); |
| 3304 | priv->mac80211_registered = 0; |
| 3305 | } |
| 3306 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 3307 | /* Reset to low power before unloading driver. */ |
Johannes Berg | 14e8e4a | 2010-09-22 18:02:10 +0200 | [diff] [blame] | 3308 | iwl_apm_stop(priv); |
Ben Cahill | c166b25 | 2009-10-23 13:42:35 -0700 | [diff] [blame] | 3309 | |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3310 | iwl_tt_exit(priv); |
| 3311 | |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3312 | /* make sure we flush any pending irq or |
| 3313 | * tasklet for the driver |
| 3314 | */ |
| 3315 | spin_lock_irqsave(&priv->lock, flags); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3316 | iwl_disable_interrupts(priv); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3317 | spin_unlock_irqrestore(&priv->lock, flags); |
| 3318 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3319 | trans_sync_irq(&priv->trans); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3320 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3321 | iwl_dealloc_ucode(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3322 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3323 | trans_rx_free(&priv->trans); |
| 3324 | trans_tx_free(&priv->trans); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3325 | |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3326 | iwl_eeprom_free(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3327 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 3328 | /*netif_stop_queue(dev); */ |
| 3329 | flush_workqueue(priv->workqueue); |
| 3330 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3331 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3332 | * priv->workqueue... so we can't take down the workqueue |
| 3333 | * until now... */ |
| 3334 | destroy_workqueue(priv->workqueue); |
| 3335 | priv->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3336 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3337 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 3338 | trans_free(&priv->trans); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 3339 | |
Emmanuel Grumbach | d593411 | 2011-07-11 10:48:51 +0300 | [diff] [blame] | 3340 | bus_set_drv_data(priv->bus, NULL); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3341 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3342 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3343 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 3344 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3345 | |
| 3346 | ieee80211_free_hw(priv->hw); |
| 3347 | } |
| 3348 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3349 | |
| 3350 | /***************************************************************************** |
| 3351 | * |
| 3352 | * driver and module entry point |
| 3353 | * |
| 3354 | *****************************************************************************/ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3355 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3356 | { |
| 3357 | |
| 3358 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3359 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 3360 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3361 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3362 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3363 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3364 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3365 | return ret; |
| 3366 | } |
| 3367 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3368 | ret = iwl_pci_register_driver(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3369 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3370 | if (ret) |
| 3371 | goto error_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3372 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3373 | |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3374 | error_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3375 | iwlagn_rate_control_unregister(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3376 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3377 | } |
| 3378 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3379 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3380 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3381 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3382 | iwlagn_rate_control_unregister(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3383 | } |
| 3384 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3385 | module_exit(iwl_exit); |
| 3386 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3387 | |
| 3388 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | 4e30cb6 | 2009-09-17 10:43:47 -0700 | [diff] [blame] | 3389 | module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3390 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 3391 | #endif |
| 3392 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3393 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 3394 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3395 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
| 3396 | MODULE_PARM_DESC(queues_num, "number of hw queues."); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3397 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
| 3398 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3399 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 3400 | int, S_IRUGO); |
| 3401 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3402 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 3403 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 3404 | |
| 3405 | module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int, |
| 3406 | S_IRUGO); |
| 3407 | MODULE_PARM_DESC(ucode_alternative, |
| 3408 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3409 | |
| 3410 | module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO); |
| 3411 | MODULE_PARM_DESC(antenna_coupling, |
| 3412 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3413 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3414 | module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO); |
| 3415 | MODULE_PARM_DESC(bt_ch_inhibition, |
| 3416 | "Disable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 3417 | |
| 3418 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 3419 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 3420 | |
| 3421 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 3422 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3423 | |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 3424 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
| 3425 | MODULE_PARM_DESC(wd_disable, |
| 3426 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); |
| 3427 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3428 | /* |
| 3429 | * set bt_coex_active to true, uCode will do kill/defer |
| 3430 | * every time the priority line is asserted (BT is sending signals on the |
| 3431 | * priority line in the PCIx). |
| 3432 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 3433 | * perform the normal operation |
| 3434 | * |
| 3435 | * User might experience transmit issue on some platform due to WiFi/BT |
| 3436 | * co-exist problem. The possible behaviors are: |
| 3437 | * Able to scan and finding all the available AP |
| 3438 | * Not able to associate with any AP |
| 3439 | * On those platforms, WiFi communication can be restored by set |
| 3440 | * "bt_coex_active" module parameter to "false" |
| 3441 | * |
| 3442 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 3443 | */ |
| 3444 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 3445 | bool, S_IRUGO); |
| 3446 | 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] | 3447 | |
| 3448 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 3449 | MODULE_PARM_DESC(led_mode, "0=system default, " |
| 3450 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3451 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 3452 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 3453 | bool, S_IRUGO); |
| 3454 | MODULE_PARM_DESC(power_save, |
| 3455 | "enable WiFi power management (default: disable)"); |
| 3456 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 3457 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 3458 | int, S_IRUGO); |
| 3459 | MODULE_PARM_DESC(power_level, |
| 3460 | "default power save level (range from 1 - 5, default: 1)"); |
| 3461 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3462 | /* |
| 3463 | * For now, keep using power level 1 instead of automatically |
| 3464 | * adjusting ... |
| 3465 | */ |
| 3466 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 3467 | bool, S_IRUGO); |
| 3468 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 3469 | "don't automatically adjust sleep level " |
| 3470 | "according to maximum network latency (default: true)"); |