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 | *****************************************************************************/ |
| 29 | |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 31 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 32 | #include <linux/kernel.h> |
| 33 | #include <linux/module.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 34 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 35 | #include <linux/slab.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 36 | #include <linux/dma-mapping.h> |
| 37 | #include <linux/delay.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 38 | #include <linux/sched.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 39 | #include <linux/skbuff.h> |
| 40 | #include <linux/netdevice.h> |
| 41 | #include <linux/wireless.h> |
| 42 | #include <linux/firmware.h> |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 43 | #include <linux/etherdevice.h> |
| 44 | #include <linux/if_arp.h> |
| 45 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 46 | #include <net/mac80211.h> |
| 47 | |
| 48 | #include <asm/div64.h> |
| 49 | |
Assaf Krauss | 6bc913b | 2008-03-11 16:17:18 -0700 | [diff] [blame] | 50 | #include "iwl-eeprom.h" |
Tomas Winkler | 3e0d4cb | 2008-04-24 11:55:38 -0700 | [diff] [blame] | 51 | #include "iwl-dev.h" |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 52 | #include "iwl-core.h" |
Tomas Winkler | 3395f6e | 2008-03-25 16:33:37 -0700 | [diff] [blame] | 53 | #include "iwl-io.h" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 54 | #include "iwl-helpers.h" |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 55 | #include "iwl-sta.h" |
Johannes Berg | 0de7673 | 2010-09-22 18:02:11 +0200 | [diff] [blame] | 56 | #include "iwl-agn-calib.h" |
Johannes Berg | a117512 | 2010-01-21 06:21:10 -0800 | [diff] [blame] | 57 | #include "iwl-agn.h" |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 58 | #include "iwl-pci.h" |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 59 | #include "iwl-trans.h" |
Christoph Hellwig | 416e143 | 2007-10-25 17:15:49 +0800 | [diff] [blame] | 60 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 61 | /****************************************************************************** |
| 62 | * |
| 63 | * module boiler plate |
| 64 | * |
| 65 | ******************************************************************************/ |
| 66 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 67 | /* |
| 68 | * module name, copyright, version, etc. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 69 | */ |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 70 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 71 | |
Tomas Winkler | 0a6857e | 2008-03-12 16:58:49 -0700 | [diff] [blame] | 72 | #ifdef CONFIG_IWLWIFI_DEBUG |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 73 | #define VD "d" |
| 74 | #else |
| 75 | #define VD |
| 76 | #endif |
| 77 | |
Reinette Chatre | 81963d6 | 2010-01-22 14:22:57 -0800 | [diff] [blame] | 78 | #define DRV_VERSION IWLWIFI_VERSION VD |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 79 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 80 | |
| 81 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 82 | MODULE_VERSION(DRV_VERSION); |
Tomas Winkler | a7b7520 | 2008-12-11 10:33:41 -0800 | [diff] [blame] | 83 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 84 | MODULE_LICENSE("GPL"); |
| 85 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 86 | static int iwlagn_ant_coupling; |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 87 | static bool iwlagn_bt_ch_announce = 1; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 88 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 89 | void iwl_update_chain_flags(struct iwl_priv *priv) |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 90 | { |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 91 | struct iwl_rxon_context *ctx; |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 92 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 93 | for_each_context(priv, ctx) { |
| 94 | iwlagn_set_rxon_chain(priv, ctx); |
| 95 | if (ctx->active.rx_chain != ctx->staging.rx_chain) |
| 96 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 97 | } |
Mohamed Abbas | 5da4b55 | 2008-04-21 15:41:51 -0700 | [diff] [blame] | 98 | } |
| 99 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 100 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
| 101 | static void iwl_set_beacon_tim(struct iwl_priv *priv, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 102 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
| 103 | u8 *beacon, u32 frame_size) |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 104 | { |
| 105 | u16 tim_idx; |
| 106 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; |
| 107 | |
| 108 | /* |
| 109 | * The index is relative to frame start but we start looking at the |
| 110 | * variable-length part of the beacon. |
| 111 | */ |
| 112 | tim_idx = mgmt->u.beacon.variable - beacon; |
| 113 | |
| 114 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ |
| 115 | while ((tim_idx < (frame_size - 2)) && |
| 116 | (beacon[tim_idx] != WLAN_EID_TIM)) |
| 117 | tim_idx += beacon[tim_idx+1] + 2; |
| 118 | |
| 119 | /* If TIM field was found, set variables */ |
| 120 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { |
| 121 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); |
| 122 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; |
| 123 | } else |
| 124 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); |
| 125 | } |
| 126 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 127 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 128 | { |
| 129 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 130 | struct iwl_host_cmd cmd = { |
| 131 | .id = REPLY_TX_BEACON, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 132 | .flags = CMD_SYNC, |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 133 | }; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 134 | struct ieee80211_tx_info *info; |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 135 | u32 frame_size; |
| 136 | u32 rate_flags; |
| 137 | u32 rate; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 138 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 139 | /* |
| 140 | * We have to set up the TX command, the TX Beacon command, and the |
| 141 | * beacon contents. |
| 142 | */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 143 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 144 | lockdep_assert_held(&priv->mutex); |
| 145 | |
| 146 | if (!priv->beacon_ctx) { |
| 147 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); |
Julia Lawall | 950094c | 2010-09-05 21:00:26 +0200 | [diff] [blame] | 148 | return 0; |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 149 | } |
| 150 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 151 | if (WARN_ON(!priv->beacon_skb)) |
| 152 | return -EINVAL; |
| 153 | |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 154 | /* Allocate beacon command */ |
| 155 | if (!priv->beacon_cmd) |
| 156 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); |
| 157 | tx_beacon_cmd = priv->beacon_cmd; |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 158 | if (!tx_beacon_cmd) |
| 159 | return -ENOMEM; |
| 160 | |
| 161 | frame_size = priv->beacon_skb->len; |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 162 | |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 163 | /* Set up TX command fields */ |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 164 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 165 | 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] | 166 | 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] | 167 | 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] | 168 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; |
| 169 | |
| 170 | /* Set up TX beacon command fields */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 171 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 172 | frame_size); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 173 | |
| 174 | /* Set up packet rate and flags */ |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 175 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
| 176 | |
| 177 | /* |
| 178 | * Let's set up the rate at least somewhat correctly; |
| 179 | * it will currently not actually be used by the uCode, |
| 180 | * it uses the broadcast station's rate instead. |
| 181 | */ |
| 182 | if (info->control.rates[0].idx < 0 || |
| 183 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) |
| 184 | rate = 0; |
| 185 | else |
| 186 | rate = info->control.rates[0].idx; |
| 187 | |
Johannes Berg | 0e1654f | 2010-05-18 02:48:36 -0700 | [diff] [blame] | 188 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
| 189 | priv->hw_params.valid_tx_ant); |
Daniel C Halperin | 47ff65c | 2009-11-13 11:56:33 -0800 | [diff] [blame] | 190 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 191 | |
| 192 | /* In mac80211, rates for 5 GHz start at 0 */ |
| 193 | if (info->band == IEEE80211_BAND_5GHZ) |
| 194 | rate += IWL_FIRST_OFDM_RATE; |
| 195 | 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] | 196 | rate_flags |= RATE_MCS_CCK_MSK; |
Johannes Berg | 0b5b3ff | 2011-06-22 06:33:43 -0700 | [diff] [blame] | 197 | |
| 198 | tx_beacon_cmd->tx.rate_n_flags = |
| 199 | iwl_hw_set_rate_n_flags(rate, rate_flags); |
Tomas Winkler | 4bf64ef | 2008-07-18 13:53:03 +0800 | [diff] [blame] | 200 | |
Johannes Berg | 8a98d49 | 2011-04-29 09:48:14 -0700 | [diff] [blame] | 201 | /* Submit command */ |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 202 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 203 | cmd.data[0] = tx_beacon_cmd; |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 204 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
| 205 | cmd.len[1] = frame_size; |
| 206 | cmd.data[1] = priv->beacon_skb->data; |
| 207 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 208 | |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 209 | return trans_send_cmd(priv, &cmd); |
Samuel Ortiz | a8e74e27 | 2009-01-23 13:45:14 -0800 | [diff] [blame] | 210 | } |
| 211 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 212 | static void iwl_bg_beacon_update(struct work_struct *work) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 213 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 214 | struct iwl_priv *priv = |
| 215 | container_of(work, struct iwl_priv, beacon_update); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 216 | struct sk_buff *beacon; |
| 217 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 218 | mutex_lock(&priv->mutex); |
| 219 | if (!priv->beacon_ctx) { |
| 220 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); |
| 221 | goto out; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Johannes Berg | 60744f6 | 2010-08-23 10:46:50 +0200 | [diff] [blame] | 224 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
| 225 | /* |
| 226 | * The ucode will send beacon notifications even in |
| 227 | * IBSS mode, but we don't want to process them. But |
| 228 | * we need to defer the type check to here due to |
| 229 | * requiring locking around the beacon_ctx access. |
| 230 | */ |
| 231 | goto out; |
| 232 | } |
| 233 | |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 234 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
| 235 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); |
| 236 | if (!beacon) { |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 237 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 238 | goto out; |
| 239 | } |
| 240 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 241 | /* new beacon skb is allocated every time; dispose previous.*/ |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 242 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 243 | |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 244 | priv->beacon_skb = beacon; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 245 | |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 246 | iwlagn_send_beacon_cmd(priv); |
Johannes Berg | 76d0481 | 2010-08-23 10:46:47 +0200 | [diff] [blame] | 247 | out: |
| 248 | mutex_unlock(&priv->mutex); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 251 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
| 252 | { |
| 253 | struct iwl_priv *priv = |
| 254 | container_of(work, struct iwl_priv, bt_runtime_config); |
| 255 | |
| 256 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 257 | return; |
| 258 | |
| 259 | /* dont send host command if rf-kill is on */ |
| 260 | if (!iwl_is_ready_rf(priv)) |
| 261 | return; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 262 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 263 | } |
| 264 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 265 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
| 266 | { |
| 267 | struct iwl_priv *priv = |
| 268 | container_of(work, struct iwl_priv, bt_full_concurrency); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 269 | struct iwl_rxon_context *ctx; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 270 | |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 271 | mutex_lock(&priv->mutex); |
| 272 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 273 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 274 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 275 | |
| 276 | /* dont send host command if rf-kill is on */ |
| 277 | if (!iwl_is_ready_rf(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 278 | goto out; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 279 | |
| 280 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", |
| 281 | priv->bt_full_concurrent ? |
| 282 | "full concurrency" : "3-wire"); |
| 283 | |
| 284 | /* |
| 285 | * LQ & RXON updated cmds must be sent before BT Config cmd |
| 286 | * to avoid 3-wire collisions |
| 287 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 288 | for_each_context(priv, ctx) { |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 289 | iwlagn_set_rxon_chain(priv, ctx); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 290 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 291 | } |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 292 | |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 293 | iwlagn_send_advance_bt_config(priv); |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 294 | out: |
| 295 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 296 | } |
| 297 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 298 | /** |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 299 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 300 | * |
| 301 | * This callback is provided in order to send a statistics request. |
| 302 | * |
| 303 | * This timer function is continually reset to execute within |
| 304 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION |
| 305 | * was received. We need to ensure we receive the statistics in order |
| 306 | * to update the temperature used for calibrating the TXPOWER. |
| 307 | */ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 308 | static void iwl_bg_statistics_periodic(unsigned long data) |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 309 | { |
| 310 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 311 | |
| 312 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 313 | return; |
| 314 | |
Mohamed Abbas | 61780ee | 2008-10-29 14:05:49 -0700 | [diff] [blame] | 315 | /* dont send host command if rf-kill is on */ |
| 316 | if (!iwl_is_ready_rf(priv)) |
| 317 | return; |
| 318 | |
Wey-Yi Guy | ef8d552 | 2009-11-13 11:56:28 -0800 | [diff] [blame] | 319 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 320 | } |
| 321 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 322 | |
| 323 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, |
| 324 | u32 start_idx, u32 num_events, |
| 325 | u32 mode) |
| 326 | { |
| 327 | u32 i; |
| 328 | u32 ptr; /* SRAM byte address of log data */ |
| 329 | u32 ev, time, data; /* event log data */ |
| 330 | unsigned long reg_flags; |
| 331 | |
| 332 | if (mode == 0) |
| 333 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); |
| 334 | else |
| 335 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); |
| 336 | |
| 337 | /* Make sure device is powered up for SRAM reads */ |
| 338 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
| 339 | if (iwl_grab_nic_access(priv)) { |
| 340 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 341 | return; |
| 342 | } |
| 343 | |
| 344 | /* Set starting address; reads will auto-increment */ |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 345 | iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 346 | rmb(); |
| 347 | |
| 348 | /* |
| 349 | * "time" is actually "data" for mode 0 (no timestamp). |
| 350 | * place event id # at far right for easier visual parsing. |
| 351 | */ |
| 352 | for (i = 0; i < num_events; i++) { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 353 | ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
| 354 | time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 355 | if (mode == 0) { |
| 356 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 357 | 0, time, ev); |
| 358 | } else { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 359 | data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 360 | trace_iwlwifi_dev_ucode_cont_event(priv, |
| 361 | time, data, ev); |
| 362 | } |
| 363 | } |
| 364 | /* Allow device to power down */ |
| 365 | iwl_release_nic_access(priv); |
| 366 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
| 367 | } |
| 368 | |
Johannes Berg | 875295f | 2010-01-22 14:22:55 -0800 | [diff] [blame] | 369 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 370 | { |
| 371 | u32 capacity; /* event log capacity in # entries */ |
| 372 | u32 base; /* SRAM byte address of event log header */ |
| 373 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 374 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 375 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 376 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 377 | base = priv->device_pointers.error_event_table; |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 378 | if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
| 379 | capacity = iwl_read_targ_mem(priv, base); |
| 380 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 381 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 382 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 383 | } else |
| 384 | return; |
| 385 | |
| 386 | if (num_wraps == priv->event_log.num_wraps) { |
| 387 | iwl_print_cont_event_trace(priv, |
| 388 | base, priv->event_log.next_entry, |
| 389 | next_entry - priv->event_log.next_entry, |
| 390 | mode); |
| 391 | priv->event_log.non_wraps_count++; |
| 392 | } else { |
| 393 | if ((num_wraps - priv->event_log.num_wraps) > 1) |
| 394 | priv->event_log.wraps_more_count++; |
| 395 | else |
| 396 | priv->event_log.wraps_once_count++; |
| 397 | trace_iwlwifi_dev_ucode_wrap_event(priv, |
| 398 | num_wraps - priv->event_log.num_wraps, |
| 399 | next_entry, priv->event_log.next_entry); |
| 400 | if (next_entry < priv->event_log.next_entry) { |
| 401 | iwl_print_cont_event_trace(priv, base, |
| 402 | priv->event_log.next_entry, |
| 403 | capacity - priv->event_log.next_entry, |
| 404 | mode); |
| 405 | |
| 406 | iwl_print_cont_event_trace(priv, base, 0, |
| 407 | next_entry, mode); |
| 408 | } else { |
| 409 | iwl_print_cont_event_trace(priv, base, |
| 410 | next_entry, capacity - next_entry, |
| 411 | mode); |
| 412 | |
| 413 | iwl_print_cont_event_trace(priv, base, 0, |
| 414 | next_entry, mode); |
| 415 | } |
| 416 | } |
| 417 | priv->event_log.num_wraps = num_wraps; |
| 418 | priv->event_log.next_entry = next_entry; |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * iwl_bg_ucode_trace - Timer callback to log ucode event |
| 423 | * |
| 424 | * The timer is continually set to execute every |
| 425 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired |
| 426 | * this function is to perform continuous uCode event logging operation |
| 427 | * if enabled |
| 428 | */ |
| 429 | static void iwl_bg_ucode_trace(unsigned long data) |
| 430 | { |
| 431 | struct iwl_priv *priv = (struct iwl_priv *)data; |
| 432 | |
| 433 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 434 | return; |
| 435 | |
| 436 | if (priv->event_log.ucode_trace) { |
| 437 | iwl_continuous_event_trace(priv); |
| 438 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ |
| 439 | mod_timer(&priv->ucode_trace, |
| 440 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); |
| 441 | } |
| 442 | } |
| 443 | |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 444 | static void iwl_bg_tx_flush(struct work_struct *work) |
| 445 | { |
| 446 | struct iwl_priv *priv = |
| 447 | container_of(work, struct iwl_priv, tx_flush); |
| 448 | |
| 449 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 450 | return; |
| 451 | |
| 452 | /* do nothing if rf-kill is on */ |
| 453 | if (!iwl_is_ready_rf(priv)) |
| 454 | return; |
| 455 | |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 456 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
| 457 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); |
Wey-Yi Guy | 6555063 | 2010-06-24 13:18:35 -0700 | [diff] [blame] | 458 | } |
| 459 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 460 | /** |
Tomas Winkler | a55360e | 2008-05-05 10:22:28 +0800 | [diff] [blame] | 461 | * iwl_rx_handle - Main entry function for receiving responses from uCode |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 462 | * |
| 463 | * Uses the priv->rx_handlers callback function array to invoke |
| 464 | * the appropriate handlers, including command responses, |
| 465 | * frame-received notifications, and other notifications. |
| 466 | */ |
Johannes Berg | f945f10 | 2011-01-04 16:21:59 -0800 | [diff] [blame] | 467 | static void iwl_rx_handle(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 468 | { |
Tomas Winkler | a55360e | 2008-05-05 10:22:28 +0800 | [diff] [blame] | 469 | struct iwl_rx_mem_buffer *rxb; |
Tomas Winkler | db11d63 | 2008-05-05 10:22:33 +0800 | [diff] [blame] | 470 | struct iwl_rx_packet *pkt; |
Tomas Winkler | a55360e | 2008-05-05 10:22:28 +0800 | [diff] [blame] | 471 | struct iwl_rx_queue *rxq = &priv->rxq; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 472 | u32 r, i; |
| 473 | int reclaim; |
| 474 | unsigned long flags; |
Mohamed Abbas | 5c0eef9 | 2007-11-29 11:10:14 +0800 | [diff] [blame] | 475 | u8 fill_rx = 0; |
Mohamed Abbas | d68ab68 | 2008-02-07 13:16:33 -0800 | [diff] [blame] | 476 | u32 count = 8; |
Mohamed Abbas | 4752c93 | 2009-05-22 11:01:51 -0700 | [diff] [blame] | 477 | int total_empty; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 478 | |
Cahill, Ben M | 6440adb | 2007-11-29 11:09:55 +0800 | [diff] [blame] | 479 | /* uCode's read index (stored in shared DRAM) indicates the last Rx |
| 480 | * buffer that the driver may process (last buffer filled by ucode). */ |
Winkler, Tomas | 8d86422 | 2008-11-07 09:58:39 -0800 | [diff] [blame] | 481 | r = le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 482 | i = rxq->read; |
| 483 | |
| 484 | /* Rx interrupt, but nothing sent from uCode */ |
| 485 | if (i == r) |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 486 | IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 487 | |
Mohamed Abbas | 4752c93 | 2009-05-22 11:01:51 -0700 | [diff] [blame] | 488 | /* calculate total frames need to be restock after handling RX */ |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 489 | total_empty = r - rxq->write_actual; |
Mohamed Abbas | 4752c93 | 2009-05-22 11:01:51 -0700 | [diff] [blame] | 490 | if (total_empty < 0) |
| 491 | total_empty += RX_QUEUE_SIZE; |
| 492 | |
| 493 | if (total_empty > (RX_QUEUE_SIZE / 2)) |
Mohamed Abbas | 5c0eef9 | 2007-11-29 11:10:14 +0800 | [diff] [blame] | 494 | fill_rx = 1; |
| 495 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 496 | while (i != r) { |
Johannes Berg | f4989d9 | 2010-05-28 04:08:30 -0700 | [diff] [blame] | 497 | int len; |
| 498 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 499 | rxb = rxq->queue[i]; |
| 500 | |
Ben Cahill | 9fbab51 | 2007-11-29 11:09:47 +0800 | [diff] [blame] | 501 | /* If an RXB doesn't have a Rx queue slot associated with it, |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 502 | * then a bug has been introduced in the queue refilling |
| 503 | * routines -- catch it here */ |
Johannes Berg | 3e41ace | 2011-04-18 09:12:37 -0700 | [diff] [blame] | 504 | if (WARN_ON(rxb == NULL)) { |
| 505 | i = (i + 1) & RX_QUEUE_MASK; |
| 506 | continue; |
| 507 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 508 | |
| 509 | rxq->queue[i] = NULL; |
| 510 | |
Emmanuel Grumbach | 795414d | 2011-06-18 08:12:57 -0700 | [diff] [blame] | 511 | dma_unmap_page(priv->bus.dev, rxb->page_dma, |
Zhu Yi | 2f30122 | 2009-10-09 17:19:45 +0800 | [diff] [blame] | 512 | PAGE_SIZE << priv->hw_params.rx_page_order, |
Emmanuel Grumbach | 795414d | 2011-06-18 08:12:57 -0700 | [diff] [blame] | 513 | DMA_FROM_DEVICE); |
Zhu Yi | 2f30122 | 2009-10-09 17:19:45 +0800 | [diff] [blame] | 514 | pkt = rxb_addr(rxb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 515 | |
Johannes Berg | f4989d9 | 2010-05-28 04:08:30 -0700 | [diff] [blame] | 516 | len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; |
| 517 | len += sizeof(u32); /* account for status word */ |
| 518 | trace_iwlwifi_dev_rx(priv, pkt, len); |
Johannes Berg | be1a71a | 2009-10-02 13:44:02 -0700 | [diff] [blame] | 519 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 520 | /* Reclaim a command buffer only if this packet is a response |
| 521 | * to a (driver-originated) command. |
| 522 | * If the packet (e.g. Rx frame) originated from uCode, |
| 523 | * there is no command buffer to reclaim. |
| 524 | * Ucode should set SEQ_RX_FRAME bit if ucode-originated, |
| 525 | * but apparently a few don't get set; catch them here. */ |
| 526 | reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) && |
| 527 | (pkt->hdr.cmd != REPLY_RX_PHY_CMD) && |
Tomas Winkler | 857485c | 2008-03-21 13:53:44 -0700 | [diff] [blame] | 528 | (pkt->hdr.cmd != REPLY_RX) && |
Daniel Halperin | 7dddaf1 | 2008-10-23 23:48:58 -0700 | [diff] [blame] | 529 | (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) && |
Zhu Yi | cfe0170 | 2007-09-27 11:27:31 +0800 | [diff] [blame] | 530 | (pkt->hdr.cmd != REPLY_COMPRESSED_BA) && |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 531 | (pkt->hdr.cmd != STATISTICS_NOTIFICATION) && |
| 532 | (pkt->hdr.cmd != REPLY_TX); |
| 533 | |
Johannes Berg | 7194207c | 2011-01-04 16:22:00 -0800 | [diff] [blame] | 534 | /* |
| 535 | * Do the notification wait before RX handlers so |
| 536 | * even if the RX handler consumes the RXB we have |
| 537 | * access to it in the notification wait entry. |
| 538 | */ |
| 539 | if (!list_empty(&priv->_agn.notif_waits)) { |
| 540 | struct iwl_notification_wait *w; |
| 541 | |
| 542 | spin_lock(&priv->_agn.notif_wait_lock); |
| 543 | list_for_each_entry(w, &priv->_agn.notif_waits, list) { |
| 544 | if (w->cmd == pkt->hdr.cmd) { |
| 545 | w->triggered = true; |
| 546 | if (w->fn) |
Johannes Berg | 09f18af | 2011-04-13 03:14:47 -0700 | [diff] [blame] | 547 | w->fn(priv, pkt, w->fn_data); |
Johannes Berg | 7194207c | 2011-01-04 16:22:00 -0800 | [diff] [blame] | 548 | } |
| 549 | } |
| 550 | spin_unlock(&priv->_agn.notif_wait_lock); |
| 551 | |
| 552 | wake_up_all(&priv->_agn.notif_waitq); |
| 553 | } |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 554 | if (priv->pre_rx_handler) |
| 555 | priv->pre_rx_handler(priv, rxb); |
Johannes Berg | 7194207c | 2011-01-04 16:22:00 -0800 | [diff] [blame] | 556 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 557 | /* Based on type of command response or notification, |
| 558 | * handle those that need handling via function in |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 559 | * rx_handlers table. See iwl_setup_rx_handlers() */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 560 | if (priv->rx_handlers[pkt->hdr.cmd]) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 561 | IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, |
Ester Kummer | f3d6799 | 2008-05-06 11:05:12 +0800 | [diff] [blame] | 562 | i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); |
Wey-Yi Guy | a83b914 | 2009-04-08 11:39:32 -0700 | [diff] [blame] | 563 | priv->isr_stats.rx_handlers[pkt->hdr.cmd]++; |
Zhu Yi | 29b1b26 | 2009-10-23 13:42:25 -0700 | [diff] [blame] | 564 | priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 565 | } else { |
| 566 | /* No handling needed */ |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 567 | IWL_DEBUG_RX(priv, |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 568 | "r %d i %d No handler needed for %s, 0x%02x\n", |
| 569 | r, i, get_cmd_string(pkt->hdr.cmd), |
| 570 | pkt->hdr.cmd); |
| 571 | } |
| 572 | |
Zhu Yi | 29b1b26 | 2009-10-23 13:42:25 -0700 | [diff] [blame] | 573 | /* |
| 574 | * XXX: After here, we should always check rxb->page |
| 575 | * against NULL before touching it or its virtual |
| 576 | * memory (pkt). Because some rx_handler might have |
| 577 | * already taken or freed the pages. |
| 578 | */ |
| 579 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 580 | if (reclaim) { |
Zhu Yi | 2f30122 | 2009-10-09 17:19:45 +0800 | [diff] [blame] | 581 | /* Invoke any callbacks, transfer the buffer to caller, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 582 | * and fire off the (possibly) blocking |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 583 | * trans_send_cmd() |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 584 | * as we reclaim the driver command queue */ |
Zhu Yi | 29b1b26 | 2009-10-23 13:42:25 -0700 | [diff] [blame] | 585 | if (rxb->page) |
Tomas Winkler | 17b8892 | 2008-05-29 16:35:12 +0800 | [diff] [blame] | 586 | iwl_tx_cmd_complete(priv, rxb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 587 | else |
Winkler, Tomas | 39aadf8 | 2008-12-19 10:37:32 +0800 | [diff] [blame] | 588 | IWL_WARN(priv, "Claim null rxb?\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 589 | } |
| 590 | |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 591 | /* Reuse the page if possible. For notification packets and |
| 592 | * SKBs that fail to Rx correctly, add them back into the |
| 593 | * rx_free list for reuse later. */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 594 | spin_lock_irqsave(&rxq->lock, flags); |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 595 | if (rxb->page != NULL) { |
Emmanuel Grumbach | 795414d | 2011-06-18 08:12:57 -0700 | [diff] [blame] | 596 | rxb->page_dma = dma_map_page(priv->bus.dev, rxb->page, |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 597 | 0, PAGE_SIZE << priv->hw_params.rx_page_order, |
Emmanuel Grumbach | 795414d | 2011-06-18 08:12:57 -0700 | [diff] [blame] | 598 | DMA_FROM_DEVICE); |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 599 | list_add_tail(&rxb->list, &rxq->rx_free); |
| 600 | rxq->free_count++; |
| 601 | } else |
| 602 | list_add_tail(&rxb->list, &rxq->rx_used); |
| 603 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 604 | spin_unlock_irqrestore(&rxq->lock, flags); |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 605 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 606 | i = (i + 1) & RX_QUEUE_MASK; |
Mohamed Abbas | 5c0eef9 | 2007-11-29 11:10:14 +0800 | [diff] [blame] | 607 | /* If there are a lot of unused frames, |
| 608 | * restock the Rx queue so ucode wont assert. */ |
| 609 | if (fill_rx) { |
| 610 | count++; |
| 611 | if (count >= 8) { |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 612 | rxq->read = i; |
Wey-Yi Guy | 54b8155 | 2010-03-17 13:34:35 -0700 | [diff] [blame] | 613 | iwlagn_rx_replenish_now(priv); |
Mohamed Abbas | 5c0eef9 | 2007-11-29 11:10:14 +0800 | [diff] [blame] | 614 | count = 0; |
| 615 | } |
| 616 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 617 | } |
| 618 | |
| 619 | /* Backtrack one entry */ |
Zhu Yi | 7300515 | 2009-10-23 13:42:32 -0700 | [diff] [blame] | 620 | rxq->read = i; |
Mohamed Abbas | 4752c93 | 2009-05-22 11:01:51 -0700 | [diff] [blame] | 621 | if (fill_rx) |
Wey-Yi Guy | 54b8155 | 2010-03-17 13:34:35 -0700 | [diff] [blame] | 622 | iwlagn_rx_replenish_now(priv); |
Mohamed Abbas | 4752c93 | 2009-05-22 11:01:51 -0700 | [diff] [blame] | 623 | else |
Wey-Yi Guy | 54b8155 | 2010-03-17 13:34:35 -0700 | [diff] [blame] | 624 | iwlagn_rx_queue_restock(priv); |
Tomas Winkler | a55360e | 2008-05-05 10:22:28 +0800 | [diff] [blame] | 625 | } |
Tomas Winkler | a55360e | 2008-05-05 10:22:28 +0800 | [diff] [blame] | 626 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 627 | /* tasklet for iwlagn interrupt */ |
| 628 | static void iwl_irq_tasklet(struct iwl_priv *priv) |
| 629 | { |
| 630 | u32 inta = 0; |
| 631 | u32 handled = 0; |
| 632 | unsigned long flags; |
Ben Cahill | 8756990 | 2009-11-06 14:53:01 -0800 | [diff] [blame] | 633 | u32 i; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 634 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 635 | u32 inta_mask; |
| 636 | #endif |
| 637 | |
| 638 | spin_lock_irqsave(&priv->lock, flags); |
| 639 | |
| 640 | /* Ack/clear/reset pending uCode interrupts. |
| 641 | * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, |
| 642 | */ |
Shanyu Zhao | 48a6be6 | 2010-03-16 10:22:26 -0700 | [diff] [blame] | 643 | /* There is a hardware bug in the interrupt mask function that some |
| 644 | * interrupts (i.e. CSR_INT_BIT_SCD) can still be generated even if |
| 645 | * they are disabled in the CSR_INT_MASK register. Furthermore the |
| 646 | * ICT interrupt handling mechanism has another bug that might cause |
| 647 | * these unmasked interrupts fail to be detected. We workaround the |
| 648 | * hardware bugs here by ACKing all the possible interrupts so that |
| 649 | * interrupt coalescing can still be achieved. |
| 650 | */ |
David S. Miller | 4a35ecf | 2010-04-06 23:53:30 -0700 | [diff] [blame] | 651 | iwl_write32(priv, CSR_INT, priv->_agn.inta | ~priv->inta_mask); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 652 | |
Johannes Berg | a4c8b2a | 2010-01-21 06:25:54 -0800 | [diff] [blame] | 653 | inta = priv->_agn.inta; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 654 | |
| 655 | #ifdef CONFIG_IWLWIFI_DEBUG |
Reinette Chatre | 3d816c7 | 2009-08-07 15:41:37 -0700 | [diff] [blame] | 656 | if (iwl_get_debug_level(priv) & IWL_DL_ISR) { |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 657 | /* just for debug */ |
| 658 | inta_mask = iwl_read32(priv, CSR_INT_MASK); |
| 659 | IWL_DEBUG_ISR(priv, "inta 0x%08x, enabled 0x%08x\n ", |
| 660 | inta, inta_mask); |
| 661 | } |
| 662 | #endif |
Zhu Yi | 2f30122 | 2009-10-09 17:19:45 +0800 | [diff] [blame] | 663 | |
| 664 | spin_unlock_irqrestore(&priv->lock, flags); |
| 665 | |
Johannes Berg | a4c8b2a | 2010-01-21 06:25:54 -0800 | [diff] [blame] | 666 | /* saved interrupt in inta variable now we can reset priv->_agn.inta */ |
| 667 | priv->_agn.inta = 0; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 668 | |
| 669 | /* Now service all interrupt bits discovered above. */ |
| 670 | if (inta & CSR_INT_BIT_HW_ERR) { |
Reinette Chatre | 58dba72 | 2009-07-17 09:30:25 -0700 | [diff] [blame] | 671 | IWL_ERR(priv, "Hardware error detected. Restarting.\n"); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 672 | |
| 673 | /* Tell the device to stop sending interrupts */ |
| 674 | iwl_disable_interrupts(priv); |
| 675 | |
| 676 | priv->isr_stats.hw++; |
| 677 | iwl_irq_handle_error(priv); |
| 678 | |
| 679 | handled |= CSR_INT_BIT_HW_ERR; |
| 680 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 681 | return; |
| 682 | } |
| 683 | |
| 684 | #ifdef CONFIG_IWLWIFI_DEBUG |
Reinette Chatre | 3d816c7 | 2009-08-07 15:41:37 -0700 | [diff] [blame] | 685 | if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) { |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 686 | /* NIC fires this, but we don't use it, redundant with WAKEUP */ |
| 687 | if (inta & CSR_INT_BIT_SCD) { |
| 688 | IWL_DEBUG_ISR(priv, "Scheduler finished to transmit " |
| 689 | "the frame/frames.\n"); |
| 690 | priv->isr_stats.sch++; |
| 691 | } |
| 692 | |
| 693 | /* Alive notification via Rx interrupt will do the real work */ |
| 694 | if (inta & CSR_INT_BIT_ALIVE) { |
| 695 | IWL_DEBUG_ISR(priv, "Alive interrupt\n"); |
| 696 | priv->isr_stats.alive++; |
| 697 | } |
| 698 | } |
| 699 | #endif |
| 700 | /* Safely ignore these bits for debug checks below */ |
| 701 | inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE); |
| 702 | |
| 703 | /* HW RF KILL switch toggled */ |
| 704 | if (inta & CSR_INT_BIT_RF_KILL) { |
| 705 | int hw_rf_kill = 0; |
| 706 | if (!(iwl_read32(priv, CSR_GP_CNTRL) & |
| 707 | CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) |
| 708 | hw_rf_kill = 1; |
| 709 | |
Reinette Chatre | 4c423a2 | 2009-07-17 09:30:26 -0700 | [diff] [blame] | 710 | IWL_WARN(priv, "RF_KILL bit toggled to %s.\n", |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 711 | hw_rf_kill ? "disable radio" : "enable radio"); |
| 712 | |
| 713 | priv->isr_stats.rfkill++; |
| 714 | |
| 715 | /* driver only loads ucode once setting the interface up. |
| 716 | * the driver allows loading the ucode even if the radio |
| 717 | * is killed. Hence update the killswitch state here. The |
| 718 | * rfkill handler will care about restarting if needed. |
| 719 | */ |
| 720 | if (!test_bit(STATUS_ALIVE, &priv->status)) { |
| 721 | if (hw_rf_kill) |
| 722 | set_bit(STATUS_RF_KILL_HW, &priv->status); |
| 723 | else |
| 724 | clear_bit(STATUS_RF_KILL_HW, &priv->status); |
Johannes Berg | a60e77e | 2009-06-04 18:26:06 +0200 | [diff] [blame] | 725 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | handled |= CSR_INT_BIT_RF_KILL; |
| 729 | } |
| 730 | |
| 731 | /* Chip got too hot and stopped itself */ |
| 732 | if (inta & CSR_INT_BIT_CT_KILL) { |
| 733 | IWL_ERR(priv, "Microcode CT kill error detected.\n"); |
| 734 | priv->isr_stats.ctkill++; |
| 735 | handled |= CSR_INT_BIT_CT_KILL; |
| 736 | } |
| 737 | |
| 738 | /* Error detected by uCode */ |
| 739 | if (inta & CSR_INT_BIT_SW_ERR) { |
| 740 | IWL_ERR(priv, "Microcode SW error detected. " |
| 741 | " Restarting 0x%X.\n", inta); |
| 742 | priv->isr_stats.sw++; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 743 | iwl_irq_handle_error(priv); |
| 744 | handled |= CSR_INT_BIT_SW_ERR; |
| 745 | } |
| 746 | |
| 747 | /* uCode wakes up after power-down sleep */ |
| 748 | if (inta & CSR_INT_BIT_WAKEUP) { |
| 749 | IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); |
| 750 | iwl_rx_queue_update_write_ptr(priv, &priv->rxq); |
Ben Cahill | 8756990 | 2009-11-06 14:53:01 -0800 | [diff] [blame] | 751 | for (i = 0; i < priv->hw_params.max_txq_num; i++) |
| 752 | iwl_txq_update_write_ptr(priv, &priv->txq[i]); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 753 | |
| 754 | priv->isr_stats.wakeup++; |
| 755 | |
| 756 | handled |= CSR_INT_BIT_WAKEUP; |
| 757 | } |
| 758 | |
| 759 | /* All uCode command responses, including Tx command responses, |
| 760 | * Rx "responses" (frame-received notification), and other |
| 761 | * notifications from uCode come through here*/ |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 762 | if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX | |
| 763 | CSR_INT_BIT_RX_PERIODIC)) { |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 764 | IWL_DEBUG_ISR(priv, "Rx interrupt\n"); |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 765 | if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { |
| 766 | handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); |
| 767 | iwl_write32(priv, CSR_FH_INT_STATUS, |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 768 | CSR_FH_INT_RX_MASK); |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 769 | } |
| 770 | if (inta & CSR_INT_BIT_RX_PERIODIC) { |
| 771 | handled |= CSR_INT_BIT_RX_PERIODIC; |
| 772 | iwl_write32(priv, CSR_INT, CSR_INT_BIT_RX_PERIODIC); |
| 773 | } |
| 774 | /* Sending RX interrupt require many steps to be done in the |
| 775 | * the device: |
| 776 | * 1- write interrupt to current index in ICT table. |
| 777 | * 2- dma RX frame. |
| 778 | * 3- update RX shared data to indicate last write index. |
| 779 | * 4- send interrupt. |
| 780 | * This could lead to RX race, driver could receive RX interrupt |
Ben Cahill | 74ba67e | 2009-11-20 12:04:53 -0800 | [diff] [blame] | 781 | * but the shared data changes does not reflect this; |
| 782 | * periodic interrupt will detect any dangling Rx activity. |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 783 | */ |
Ben Cahill | 74ba67e | 2009-11-20 12:04:53 -0800 | [diff] [blame] | 784 | |
| 785 | /* Disable periodic interrupt; we use it as just a one-shot. */ |
| 786 | iwl_write8(priv, CSR_INT_PERIODIC_REG, |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 787 | CSR_INT_PERIODIC_DIS); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 788 | iwl_rx_handle(priv); |
Ben Cahill | 74ba67e | 2009-11-20 12:04:53 -0800 | [diff] [blame] | 789 | |
| 790 | /* |
| 791 | * Enable periodic interrupt in 8 msec only if we received |
| 792 | * real RX interrupt (instead of just periodic int), to catch |
| 793 | * any dangling Rx interrupt. If it was just the periodic |
| 794 | * interrupt, there was no dangling Rx activity, and no need |
| 795 | * to extend the periodic interrupt; one-shot is enough. |
| 796 | */ |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 797 | if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) |
Ben Cahill | 74ba67e | 2009-11-20 12:04:53 -0800 | [diff] [blame] | 798 | iwl_write8(priv, CSR_INT_PERIODIC_REG, |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 799 | CSR_INT_PERIODIC_ENA); |
| 800 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 801 | priv->isr_stats.rx++; |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 802 | } |
| 803 | |
Ben Cahill | c72cd19 | 2009-10-30 14:36:08 -0700 | [diff] [blame] | 804 | /* This "Tx" DMA channel is used only for loading uCode */ |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 805 | if (inta & CSR_INT_BIT_FH_TX) { |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 806 | iwl_write32(priv, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); |
Ben Cahill | c72cd19 | 2009-10-30 14:36:08 -0700 | [diff] [blame] | 807 | IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 808 | priv->isr_stats.tx++; |
| 809 | handled |= CSR_INT_BIT_FH_TX; |
Ben Cahill | c72cd19 | 2009-10-30 14:36:08 -0700 | [diff] [blame] | 810 | /* Wake up uCode load routine, now that load is complete */ |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 811 | priv->ucode_write_complete = 1; |
| 812 | wake_up_interruptible(&priv->wait_command_queue); |
| 813 | } |
| 814 | |
| 815 | if (inta & ~handled) { |
| 816 | IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled); |
| 817 | priv->isr_stats.unhandled++; |
| 818 | } |
| 819 | |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 820 | if (inta & ~(priv->inta_mask)) { |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 821 | IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n", |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 822 | inta & ~priv->inta_mask); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 823 | } |
| 824 | |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 825 | /* Re-enable all interrupts */ |
Justin P. Mattock | 62e45c1 | 2010-12-30 15:07:56 -0800 | [diff] [blame] | 826 | /* only Re-enable if disabled by irq */ |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 827 | if (test_bit(STATUS_INT_ENABLED, &priv->status)) |
| 828 | iwl_enable_interrupts(priv); |
Don Fry | 3dd823e | 2011-02-06 09:29:45 -0800 | [diff] [blame] | 829 | /* Re-enable RF_KILL if it occurred */ |
| 830 | else if (handled & CSR_INT_BIT_RF_KILL) |
| 831 | iwl_enable_rfkill_int(priv); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 832 | } |
| 833 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 834 | /***************************************************************************** |
| 835 | * |
| 836 | * sysfs attributes |
| 837 | * |
| 838 | *****************************************************************************/ |
| 839 | |
| 840 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 841 | |
| 842 | /* |
| 843 | * The following adds a new attribute to the sysfs representation |
| 844 | * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/) |
| 845 | * used for controlling the debug level. |
| 846 | * |
| 847 | * See the level definitions in iwl for details. |
| 848 | * |
| 849 | * The debug_level being managed using sysfs below is a per device debug |
| 850 | * level that is used instead of the global debug level if it (the per |
| 851 | * device debug level) is set. |
| 852 | */ |
| 853 | static ssize_t show_debug_level(struct device *d, |
| 854 | struct device_attribute *attr, char *buf) |
| 855 | { |
| 856 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 857 | return sprintf(buf, "0x%08X\n", iwl_get_debug_level(priv)); |
| 858 | } |
| 859 | static ssize_t store_debug_level(struct device *d, |
| 860 | struct device_attribute *attr, |
| 861 | const char *buf, size_t count) |
| 862 | { |
| 863 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 864 | unsigned long val; |
| 865 | int ret; |
| 866 | |
| 867 | ret = strict_strtoul(buf, 0, &val); |
| 868 | if (ret) |
| 869 | IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf); |
| 870 | else { |
| 871 | priv->debug_level = val; |
| 872 | if (iwl_alloc_traffic_mem(priv)) |
| 873 | IWL_ERR(priv, |
| 874 | "Not enough memory to generate traffic log\n"); |
| 875 | } |
| 876 | return strnlen(buf, count); |
| 877 | } |
| 878 | |
| 879 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, |
| 880 | show_debug_level, store_debug_level); |
| 881 | |
| 882 | |
| 883 | #endif /* CONFIG_IWLWIFI_DEBUG */ |
| 884 | |
| 885 | |
| 886 | static ssize_t show_temperature(struct device *d, |
| 887 | struct device_attribute *attr, char *buf) |
| 888 | { |
| 889 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 890 | |
| 891 | if (!iwl_is_alive(priv)) |
| 892 | return -EAGAIN; |
| 893 | |
| 894 | return sprintf(buf, "%d\n", priv->temperature); |
| 895 | } |
| 896 | |
| 897 | static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); |
| 898 | |
| 899 | static ssize_t show_tx_power(struct device *d, |
| 900 | struct device_attribute *attr, char *buf) |
| 901 | { |
| 902 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 903 | |
| 904 | if (!iwl_is_ready_rf(priv)) |
| 905 | return sprintf(buf, "off\n"); |
| 906 | else |
| 907 | return sprintf(buf, "%d\n", priv->tx_power_user_lmt); |
| 908 | } |
| 909 | |
| 910 | static ssize_t store_tx_power(struct device *d, |
| 911 | struct device_attribute *attr, |
| 912 | const char *buf, size_t count) |
| 913 | { |
| 914 | struct iwl_priv *priv = dev_get_drvdata(d); |
| 915 | unsigned long val; |
| 916 | int ret; |
| 917 | |
| 918 | ret = strict_strtoul(buf, 10, &val); |
| 919 | if (ret) |
| 920 | IWL_INFO(priv, "%s is not in decimal form.\n", buf); |
| 921 | else { |
| 922 | ret = iwl_set_tx_power(priv, val, false); |
| 923 | if (ret) |
| 924 | IWL_ERR(priv, "failed setting tx power (0x%d).\n", |
| 925 | ret); |
| 926 | else |
| 927 | ret = count; |
| 928 | } |
| 929 | return ret; |
| 930 | } |
| 931 | |
| 932 | static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); |
| 933 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 934 | static struct attribute *iwl_sysfs_entries[] = { |
| 935 | &dev_attr_temperature.attr, |
| 936 | &dev_attr_tx_power.attr, |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 937 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 938 | &dev_attr_debug_level.attr, |
| 939 | #endif |
| 940 | NULL |
| 941 | }; |
| 942 | |
| 943 | static struct attribute_group iwl_attribute_group = { |
| 944 | .name = NULL, /* put in device directory */ |
| 945 | .attrs = iwl_sysfs_entries, |
| 946 | }; |
| 947 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 948 | /****************************************************************************** |
| 949 | * |
| 950 | * uCode download functions |
| 951 | * |
| 952 | ******************************************************************************/ |
| 953 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 954 | 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] | 955 | { |
| 956 | if (desc->v_addr) |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 957 | dma_free_coherent(priv->bus.dev, desc->len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 958 | desc->v_addr, desc->p_addr); |
| 959 | desc->v_addr = NULL; |
| 960 | desc->len = 0; |
| 961 | } |
| 962 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 963 | 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] | 964 | { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 965 | iwl_free_fw_desc(priv, &img->code); |
| 966 | iwl_free_fw_desc(priv, &img->data); |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 967 | } |
| 968 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 969 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
| 970 | { |
| 971 | iwl_free_fw_img(priv, &priv->ucode_rt); |
| 972 | iwl_free_fw_img(priv, &priv->ucode_init); |
| 973 | } |
| 974 | |
| 975 | 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] | 976 | const void *data, size_t len) |
| 977 | { |
| 978 | if (!len) { |
| 979 | desc->v_addr = NULL; |
| 980 | return -EINVAL; |
| 981 | } |
| 982 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 983 | desc->v_addr = dma_alloc_coherent(priv->bus.dev, len, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 984 | &desc->p_addr, GFP_KERNEL); |
| 985 | if (!desc->v_addr) |
| 986 | return -ENOMEM; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 987 | |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 988 | desc->len = len; |
| 989 | memcpy(desc->v_addr, data, len); |
| 990 | return 0; |
| 991 | } |
| 992 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 993 | struct iwlagn_ucode_capabilities { |
| 994 | u32 max_probe_length; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 995 | u32 standard_phy_calibration_size; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 996 | u32 flags; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 997 | }; |
Ron Rindjunsky | edcdf8b | 2008-05-15 13:53:55 +0800 | [diff] [blame] | 998 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 999 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1000 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 1001 | struct iwlagn_ucode_capabilities *capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1002 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1003 | #define UCODE_EXPERIMENTAL_INDEX 100 |
| 1004 | #define UCODE_EXPERIMENTAL_TAG "exp" |
| 1005 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1006 | 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] | 1007 | { |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1008 | const char *name_pre = priv->cfg->fw_name_pre; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1009 | char tag[8]; |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1010 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1011 | if (first) { |
| 1012 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE |
| 1013 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
| 1014 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
| 1015 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
| 1016 | #endif |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1017 | priv->fw_index = priv->cfg->ucode_api_max; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1018 | sprintf(tag, "%d", priv->fw_index); |
| 1019 | } else { |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1020 | priv->fw_index--; |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1021 | sprintf(tag, "%d", priv->fw_index); |
| 1022 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1023 | |
| 1024 | if (priv->fw_index < priv->cfg->ucode_api_min) { |
| 1025 | IWL_ERR(priv, "no suitable firmware found!\n"); |
| 1026 | return -ENOENT; |
| 1027 | } |
| 1028 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1029 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1030 | |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1031 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
| 1032 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 1033 | ? "EXPERIMENTAL " : "", |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1034 | priv->firmware_name); |
| 1035 | |
| 1036 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1037 | priv->bus.dev, |
| 1038 | GFP_KERNEL, priv, iwl_ucode_callback); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1039 | } |
| 1040 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1041 | struct iwlagn_firmware_pieces { |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 1042 | const void *inst, *data, *init, *init_data; |
| 1043 | size_t inst_size, data_size, init_size, init_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1044 | |
| 1045 | u32 build; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1046 | |
| 1047 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| 1048 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1049 | }; |
| 1050 | |
| 1051 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, |
| 1052 | const struct firmware *ucode_raw, |
| 1053 | struct iwlagn_firmware_pieces *pieces) |
| 1054 | { |
| 1055 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; |
| 1056 | u32 api_ver, hdr_size; |
| 1057 | const u8 *src; |
| 1058 | |
| 1059 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 1060 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
| 1061 | |
| 1062 | switch (api_ver) { |
| 1063 | default: |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 1064 | hdr_size = 28; |
| 1065 | if (ucode_raw->size < hdr_size) { |
| 1066 | IWL_ERR(priv, "File size too small!\n"); |
| 1067 | return -EINVAL; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1068 | } |
Wey-Yi Guy | f7d046f | 2011-03-22 08:05:37 -0700 | [diff] [blame] | 1069 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
| 1070 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); |
| 1071 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); |
| 1072 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); |
| 1073 | 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] | 1074 | src = ucode->u.v2.data; |
| 1075 | break; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1076 | case 0: |
| 1077 | case 1: |
| 1078 | case 2: |
| 1079 | hdr_size = 24; |
| 1080 | if (ucode_raw->size < hdr_size) { |
| 1081 | IWL_ERR(priv, "File size too small!\n"); |
| 1082 | return -EINVAL; |
| 1083 | } |
| 1084 | pieces->build = 0; |
| 1085 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); |
| 1086 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); |
| 1087 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); |
| 1088 | 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] | 1089 | src = ucode->u.v1.data; |
| 1090 | break; |
| 1091 | } |
| 1092 | |
| 1093 | /* Verify size of file vs. image size info in file's header */ |
| 1094 | if (ucode_raw->size != hdr_size + pieces->inst_size + |
| 1095 | pieces->data_size + pieces->init_size + |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 1096 | pieces->init_data_size) { |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1097 | |
| 1098 | IWL_ERR(priv, |
| 1099 | "uCode file size %d does not match expected size\n", |
| 1100 | (int)ucode_raw->size); |
| 1101 | return -EINVAL; |
| 1102 | } |
| 1103 | |
| 1104 | pieces->inst = src; |
| 1105 | src += pieces->inst_size; |
| 1106 | pieces->data = src; |
| 1107 | src += pieces->data_size; |
| 1108 | pieces->init = src; |
| 1109 | src += pieces->init_size; |
| 1110 | pieces->init_data = src; |
| 1111 | src += pieces->init_data_size; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1112 | |
| 1113 | return 0; |
| 1114 | } |
| 1115 | |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1116 | static int iwlagn_wanted_ucode_alternative = 1; |
| 1117 | |
| 1118 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
| 1119 | const struct firmware *ucode_raw, |
| 1120 | struct iwlagn_firmware_pieces *pieces, |
| 1121 | struct iwlagn_ucode_capabilities *capa) |
| 1122 | { |
| 1123 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; |
| 1124 | struct iwl_ucode_tlv *tlv; |
| 1125 | size_t len = ucode_raw->size; |
| 1126 | const u8 *data; |
| 1127 | int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp; |
| 1128 | u64 alternatives; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1129 | u32 tlv_len; |
| 1130 | enum iwl_ucode_tlv_type tlv_type; |
| 1131 | const u8 *tlv_data; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1132 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1133 | if (len < sizeof(*ucode)) { |
| 1134 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1135 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1136 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1137 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1138 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
| 1139 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", |
| 1140 | le32_to_cpu(ucode->magic)); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1141 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1142 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1143 | |
| 1144 | /* |
| 1145 | * Check which alternatives are present, and "downgrade" |
| 1146 | * when the chosen alternative is not present, warning |
| 1147 | * the user when that happens. Some files may not have |
| 1148 | * any alternatives, so don't warn in that case. |
| 1149 | */ |
| 1150 | alternatives = le64_to_cpu(ucode->alternatives); |
| 1151 | tmp = wanted_alternative; |
| 1152 | if (wanted_alternative > 63) |
| 1153 | wanted_alternative = 63; |
| 1154 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) |
| 1155 | wanted_alternative--; |
| 1156 | if (wanted_alternative && wanted_alternative != tmp) |
| 1157 | IWL_WARN(priv, |
| 1158 | "uCode alternative %d not available, choosing %d\n", |
| 1159 | tmp, wanted_alternative); |
| 1160 | |
| 1161 | priv->ucode_ver = le32_to_cpu(ucode->ver); |
| 1162 | pieces->build = le32_to_cpu(ucode->build); |
| 1163 | data = ucode->data; |
| 1164 | |
| 1165 | len -= sizeof(*ucode); |
| 1166 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1167 | while (len >= sizeof(*tlv)) { |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1168 | u16 tlv_alt; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1169 | |
| 1170 | len -= sizeof(*tlv); |
| 1171 | tlv = (void *)data; |
| 1172 | |
| 1173 | tlv_len = le32_to_cpu(tlv->length); |
| 1174 | tlv_type = le16_to_cpu(tlv->type); |
| 1175 | tlv_alt = le16_to_cpu(tlv->alternative); |
| 1176 | tlv_data = tlv->data; |
| 1177 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1178 | if (len < tlv_len) { |
| 1179 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", |
| 1180 | len, tlv_len); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1181 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1182 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1183 | len -= ALIGN(tlv_len, 4); |
| 1184 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); |
| 1185 | |
| 1186 | /* |
| 1187 | * Alternative 0 is always valid. |
| 1188 | * |
| 1189 | * Skip alternative TLVs that are not selected. |
| 1190 | */ |
| 1191 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) |
| 1192 | continue; |
| 1193 | |
| 1194 | switch (tlv_type) { |
| 1195 | case IWL_UCODE_TLV_INST: |
| 1196 | pieces->inst = tlv_data; |
| 1197 | pieces->inst_size = tlv_len; |
| 1198 | break; |
| 1199 | case IWL_UCODE_TLV_DATA: |
| 1200 | pieces->data = tlv_data; |
| 1201 | pieces->data_size = tlv_len; |
| 1202 | break; |
| 1203 | case IWL_UCODE_TLV_INIT: |
| 1204 | pieces->init = tlv_data; |
| 1205 | pieces->init_size = tlv_len; |
| 1206 | break; |
| 1207 | case IWL_UCODE_TLV_INIT_DATA: |
| 1208 | pieces->init_data = tlv_data; |
| 1209 | pieces->init_data_size = tlv_len; |
| 1210 | break; |
| 1211 | case IWL_UCODE_TLV_BOOT: |
Johannes Berg | 1fc3527 | 2011-04-05 09:41:57 -0700 | [diff] [blame] | 1212 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1213 | break; |
| 1214 | case IWL_UCODE_TLV_PROBE_MAX_LEN: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1215 | if (tlv_len != sizeof(u32)) |
| 1216 | goto invalid_tlv_len; |
| 1217 | capa->max_probe_length = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1218 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1219 | break; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1220 | case IWL_UCODE_TLV_PAN: |
| 1221 | if (tlv_len) |
| 1222 | goto invalid_tlv_len; |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 1223 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
| 1224 | break; |
| 1225 | case IWL_UCODE_TLV_FLAGS: |
| 1226 | /* must be at least one u32 */ |
| 1227 | if (tlv_len < sizeof(u32)) |
| 1228 | goto invalid_tlv_len; |
| 1229 | /* and a proper number of u32s */ |
| 1230 | if (tlv_len % sizeof(u32)) |
| 1231 | goto invalid_tlv_len; |
| 1232 | /* |
| 1233 | * This driver only reads the first u32 as |
| 1234 | * right now no more features are defined, |
| 1235 | * if that changes then either the driver |
| 1236 | * will not work with the new firmware, or |
| 1237 | * it'll not take advantage of new features. |
| 1238 | */ |
| 1239 | capa->flags = le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1240 | break; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1241 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1242 | if (tlv_len != sizeof(u32)) |
| 1243 | goto invalid_tlv_len; |
| 1244 | pieces->init_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1245 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1246 | break; |
| 1247 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1248 | if (tlv_len != sizeof(u32)) |
| 1249 | goto invalid_tlv_len; |
| 1250 | pieces->init_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1251 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1252 | break; |
| 1253 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1254 | if (tlv_len != sizeof(u32)) |
| 1255 | goto invalid_tlv_len; |
| 1256 | pieces->init_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1257 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1258 | break; |
| 1259 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1260 | if (tlv_len != sizeof(u32)) |
| 1261 | goto invalid_tlv_len; |
| 1262 | pieces->inst_evtlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1263 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1264 | break; |
| 1265 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1266 | if (tlv_len != sizeof(u32)) |
| 1267 | goto invalid_tlv_len; |
| 1268 | pieces->inst_evtlog_size = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1269 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1270 | break; |
| 1271 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1272 | if (tlv_len != sizeof(u32)) |
| 1273 | goto invalid_tlv_len; |
| 1274 | pieces->inst_errlog_ptr = |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1275 | le32_to_cpup((__le32 *)tlv_data); |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1276 | break; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 1277 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
| 1278 | if (tlv_len) |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1279 | goto invalid_tlv_len; |
| 1280 | priv->enhance_sensitivity_table = true; |
Wey-Yi Guy | c8312fa | 2010-06-28 13:05:17 -0700 | [diff] [blame] | 1281 | break; |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1282 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1283 | if (tlv_len != sizeof(u32)) |
| 1284 | goto invalid_tlv_len; |
| 1285 | capa->standard_phy_calibration_size = |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1286 | le32_to_cpup((__le32 *)tlv_data); |
| 1287 | break; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1288 | default: |
Johannes Berg | 6fc3ba9 | 2011-04-04 06:16:29 -0700 | [diff] [blame] | 1289 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1290 | break; |
| 1291 | } |
| 1292 | } |
| 1293 | |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1294 | if (len) { |
| 1295 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); |
| 1296 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1297 | return -EINVAL; |
Wey-Yi Guy | ad8d833 | 2010-06-22 14:31:45 -0700 | [diff] [blame] | 1298 | } |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1299 | |
Johannes Berg | 704da53 | 2010-07-14 09:34:50 -0700 | [diff] [blame] | 1300 | return 0; |
| 1301 | |
| 1302 | invalid_tlv_len: |
| 1303 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
| 1304 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); |
| 1305 | |
| 1306 | return -EINVAL; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1307 | } |
| 1308 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1309 | /** |
| 1310 | * iwl_ucode_callback - callback when firmware was loaded |
| 1311 | * |
| 1312 | * If loaded successfully, copies the firmware into buffers |
| 1313 | * for the card to fetch (via DMA). |
| 1314 | */ |
| 1315 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
| 1316 | { |
| 1317 | struct iwl_priv *priv = context; |
| 1318 | struct iwl_ucode_header *ucode; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1319 | int err; |
| 1320 | struct iwlagn_firmware_pieces pieces; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1321 | const unsigned int api_max = priv->cfg->ucode_api_max; |
| 1322 | const unsigned int api_min = priv->cfg->ucode_api_min; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1323 | u32 api_ver; |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1324 | char buildstr[25]; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1325 | u32 build; |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1326 | struct iwlagn_ucode_capabilities ucode_capa = { |
| 1327 | .max_probe_length = 200, |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1328 | .standard_phy_calibration_size = |
Shanyu Zhao | 642454c | 2010-09-21 12:06:18 -0700 | [diff] [blame] | 1329 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1330 | }; |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1331 | |
| 1332 | memset(&pieces, 0, sizeof(pieces)); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1333 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1334 | if (!ucode_raw) { |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1335 | if (priv->fw_index <= priv->cfg->ucode_api_max) |
| 1336 | IWL_ERR(priv, |
| 1337 | "request for firmware file '%s' failed.\n", |
| 1338 | priv->firmware_name); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1339 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1340 | } |
| 1341 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1342 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
| 1343 | priv->firmware_name, ucode_raw->size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1344 | |
Johannes Berg | 22adba2 | 2010-04-28 12:09:14 -0700 | [diff] [blame] | 1345 | /* Make sure that we got at least the API version number */ |
| 1346 | if (ucode_raw->size < 4) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1347 | IWL_ERR(priv, "File size way too small!\n"); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1348 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1349 | } |
| 1350 | |
| 1351 | /* Data from ucode file: header followed by uCode images */ |
Jay Sternberg | cc0f555 | 2009-07-17 09:30:16 -0700 | [diff] [blame] | 1352 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1353 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1354 | if (ucode->ver) |
| 1355 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); |
| 1356 | else |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1357 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
| 1358 | &ucode_capa); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1359 | |
| 1360 | if (err) |
| 1361 | goto try_again; |
| 1362 | |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1363 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1364 | build = pieces.build; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1365 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1366 | /* |
| 1367 | * api_ver should match the api version forming part of the |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1368 | * firmware filename ... but we don't check for that and only rely |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1369 | * on the API version read from firmware header from here on forward |
| 1370 | */ |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 1371 | /* no api version check required for experimental uCode */ |
| 1372 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
| 1373 | if (api_ver < api_min || api_ver > api_max) { |
| 1374 | IWL_ERR(priv, |
| 1375 | "Driver unable to support your firmware API. " |
| 1376 | "Driver supports v%u, firmware is v%u.\n", |
| 1377 | api_max, api_ver); |
| 1378 | goto try_again; |
| 1379 | } |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1380 | |
Wey-Yi Guy | 65cccfb | 2010-09-21 16:15:58 -0700 | [diff] [blame] | 1381 | if (api_ver != api_max) |
| 1382 | IWL_ERR(priv, |
| 1383 | "Firmware has old API version. Expected v%u, " |
| 1384 | "got v%u. New firmware can be obtained " |
| 1385 | "from http://www.intellinuxwireless.org.\n", |
| 1386 | api_max, api_ver); |
| 1387 | } |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1388 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1389 | if (build) |
Jay Sternberg | 3939608 | 2010-08-12 10:24:07 -0700 | [diff] [blame] | 1390 | sprintf(buildstr, " build %u%s", build, |
| 1391 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
| 1392 | ? " (EXP)" : ""); |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1393 | else |
| 1394 | buildstr[0] = '\0'; |
Reinette Chatre | a0987a8 | 2008-12-02 12:14:06 -0800 | [diff] [blame] | 1395 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1396 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1397 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1398 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1399 | IWL_UCODE_API(priv->ucode_ver), |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1400 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1401 | buildstr); |
Reinette Chatre | 5ebeb5a | 2009-10-30 14:36:04 -0700 | [diff] [blame] | 1402 | |
Johannes Berg | 3e4de76 | 2010-04-28 12:09:12 -0700 | [diff] [blame] | 1403 | snprintf(priv->hw->wiphy->fw_version, |
| 1404 | sizeof(priv->hw->wiphy->fw_version), |
| 1405 | "%u.%u.%u.%u%s", |
| 1406 | IWL_UCODE_MAJOR(priv->ucode_ver), |
| 1407 | IWL_UCODE_MINOR(priv->ucode_ver), |
| 1408 | IWL_UCODE_API(priv->ucode_ver), |
| 1409 | IWL_UCODE_SERIAL(priv->ucode_ver), |
| 1410 | buildstr); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1411 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1412 | /* |
| 1413 | * For any of the failures below (before allocating pci memory) |
| 1414 | * we will try to load a version with a smaller API -- maybe the |
| 1415 | * user just got a corrupted version of the latest API. |
| 1416 | */ |
| 1417 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1418 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
| 1419 | priv->ucode_ver); |
| 1420 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", |
| 1421 | pieces.inst_size); |
| 1422 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", |
| 1423 | pieces.data_size); |
| 1424 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", |
| 1425 | pieces.init_size); |
| 1426 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", |
| 1427 | pieces.init_data_size); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1428 | |
| 1429 | /* Verify that uCode images will fit in card's SRAM */ |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1430 | if (pieces.inst_size > priv->hw_params.max_inst_size) { |
| 1431 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
| 1432 | pieces.inst_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1433 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1434 | } |
| 1435 | |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1436 | if (pieces.data_size > priv->hw_params.max_data_size) { |
| 1437 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
| 1438 | pieces.data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1439 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1440 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1441 | |
| 1442 | if (pieces.init_size > priv->hw_params.max_inst_size) { |
| 1443 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
| 1444 | pieces.init_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1445 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1446 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1447 | |
| 1448 | if (pieces.init_data_size > priv->hw_params.max_data_size) { |
| 1449 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
| 1450 | pieces.init_data_size); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1451 | goto try_again; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1452 | } |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1453 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1454 | /* Allocate ucode buffers for card's bus-master loading ... */ |
| 1455 | |
| 1456 | /* Runtime instructions and 2 copies of data: |
| 1457 | * 1) unmodified from disk |
| 1458 | * 2) backup cache for save/restore during power-downs */ |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1459 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1460 | pieces.inst, pieces.inst_size)) |
| 1461 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1462 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1463 | pieces.data, pieces.data_size)) |
Zhu, Yi | 1f304e4 | 2009-01-23 13:45:22 -0800 | [diff] [blame] | 1464 | goto err_pci_alloc; |
| 1465 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1466 | /* Initialization instructions and data */ |
Johannes Berg | 0e9a44d | 2010-04-28 12:09:16 -0700 | [diff] [blame] | 1467 | if (pieces.init_size && pieces.init_data_size) { |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1468 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1469 | pieces.init, pieces.init_size)) |
| 1470 | goto err_pci_alloc; |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1471 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 1472 | pieces.init_data, pieces.init_data_size)) |
Tomas Winkler | 90e759d | 2007-11-29 11:09:41 +0800 | [diff] [blame] | 1473 | goto err_pci_alloc; |
| 1474 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1475 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1476 | /* Now that we can no longer fail, copy information */ |
| 1477 | |
| 1478 | /* |
| 1479 | * The (size - 16) / 12 formula is based on the information recorded |
| 1480 | * for each event, which is of mode 1 (including timestamp) for all |
| 1481 | * new microcodes that include this information. |
| 1482 | */ |
| 1483 | priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr; |
| 1484 | if (pieces.init_evtlog_size) |
| 1485 | priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
| 1486 | else |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1487 | priv->_agn.init_evtlog_size = |
| 1488 | priv->cfg->base_params->max_event_log_size; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1489 | priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr; |
| 1490 | priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr; |
| 1491 | if (pieces.inst_evtlog_size) |
| 1492 | priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
| 1493 | else |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1494 | priv->_agn.inst_evtlog_size = |
| 1495 | priv->cfg->base_params->max_event_log_size; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1496 | priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr; |
| 1497 | |
Johannes Berg | d2690c0 | 2011-04-20 09:10:39 -0700 | [diff] [blame] | 1498 | priv->new_scan_threshold_behaviour = |
| 1499 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
| 1500 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 1501 | if ((priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE) && |
| 1502 | (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) { |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1503 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 1504 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 1505 | } else |
| 1506 | priv->sta_key_max_num = STA_KEY_MAX_NUM; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 1507 | |
Johannes Berg | 17445b8 | 2011-04-05 09:42:05 -0700 | [diff] [blame] | 1508 | if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)) |
| 1509 | priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
| 1510 | else |
| 1511 | priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
| 1512 | |
Wey-Yi Guy | 6a822d0 | 2010-07-13 17:13:15 -0700 | [diff] [blame] | 1513 | /* |
| 1514 | * figure out the offset of chain noise reset and gain commands |
| 1515 | * base on the size of standard phy calibration commands table size |
| 1516 | */ |
| 1517 | if (ucode_capa.standard_phy_calibration_size > |
| 1518 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) |
| 1519 | ucode_capa.standard_phy_calibration_size = |
| 1520 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; |
| 1521 | |
| 1522 | priv->_agn.phy_calib_chain_noise_reset_cmd = |
| 1523 | ucode_capa.standard_phy_calibration_size; |
| 1524 | priv->_agn.phy_calib_chain_noise_gain_cmd = |
| 1525 | ucode_capa.standard_phy_calibration_size + 1; |
| 1526 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1527 | /************************************************** |
| 1528 | * This is still part of probe() in a sense... |
| 1529 | * |
| 1530 | * 9. Setup and register with mac80211 and debugfs |
| 1531 | **************************************************/ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 1532 | err = iwl_mac_setup_register(priv, &ucode_capa); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1533 | if (err) |
| 1534 | goto out_unbind; |
| 1535 | |
| 1536 | err = iwl_dbgfs_register(priv, DRV_NAME); |
| 1537 | if (err) |
| 1538 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); |
| 1539 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1540 | err = sysfs_create_group(&(priv->bus.dev->kobj), |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 1541 | &iwl_attribute_group); |
| 1542 | if (err) { |
| 1543 | IWL_ERR(priv, "failed to create sysfs device attributes\n"); |
| 1544 | goto out_unbind; |
| 1545 | } |
| 1546 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1547 | /* We have our copies now, allow OS release its copies */ |
| 1548 | release_firmware(ucode_raw); |
Reinette Chatre | a15707d | 2010-05-10 15:08:11 -0700 | [diff] [blame] | 1549 | complete(&priv->_agn.firmware_loading_complete); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1550 | return; |
| 1551 | |
| 1552 | try_again: |
| 1553 | /* try next, if any */ |
| 1554 | if (iwl_request_firmware(priv, false)) |
| 1555 | goto out_unbind; |
| 1556 | release_firmware(ucode_raw); |
| 1557 | return; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1558 | |
| 1559 | err_pci_alloc: |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 1560 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1561 | iwl_dealloc_ucode(priv); |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 1562 | out_unbind: |
Reinette Chatre | a15707d | 2010-05-10 15:08:11 -0700 | [diff] [blame] | 1563 | complete(&priv->_agn.firmware_loading_complete); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 1564 | device_release_driver(priv->bus.dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1565 | release_firmware(ucode_raw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1566 | } |
| 1567 | |
Joe Perches | 2a897d4 | 2011-07-08 23:20:25 -0700 | [diff] [blame^] | 1568 | static const char * const desc_lookup_text[] = { |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1569 | "OK", |
| 1570 | "FAIL", |
| 1571 | "BAD_PARAM", |
| 1572 | "BAD_CHECKSUM", |
| 1573 | "NMI_INTERRUPT_WDG", |
| 1574 | "SYSASSERT", |
| 1575 | "FATAL_ERROR", |
| 1576 | "BAD_COMMAND", |
| 1577 | "HW_ERROR_TUNE_LOCK", |
| 1578 | "HW_ERROR_TEMPERATURE", |
| 1579 | "ILLEGAL_CHAN_FREQ", |
| 1580 | "VCC_NOT_STABLE", |
| 1581 | "FH_ERROR", |
| 1582 | "NMI_INTERRUPT_HOST", |
| 1583 | "NMI_INTERRUPT_ACTION_PT", |
| 1584 | "NMI_INTERRUPT_UNKNOWN", |
| 1585 | "UCODE_VERSION_MISMATCH", |
| 1586 | "HW_ERROR_ABS_LOCK", |
| 1587 | "HW_ERROR_CAL_LOCK_FAIL", |
| 1588 | "NMI_INTERRUPT_INST_ACTION_PT", |
| 1589 | "NMI_INTERRUPT_DATA_ACTION_PT", |
| 1590 | "NMI_TRM_HW_ER", |
| 1591 | "NMI_INTERRUPT_TRM", |
Joe Perches | 2a897d4 | 2011-07-08 23:20:25 -0700 | [diff] [blame^] | 1592 | "NMI_INTERRUPT_BREAK_POINT", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1593 | "DEBUG_0", |
| 1594 | "DEBUG_1", |
| 1595 | "DEBUG_2", |
| 1596 | "DEBUG_3", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1597 | }; |
| 1598 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1599 | static struct { char *name; u8 num; } advanced_lookup[] = { |
| 1600 | { "NMI_INTERRUPT_WDG", 0x34 }, |
| 1601 | { "SYSASSERT", 0x35 }, |
| 1602 | { "UCODE_VERSION_MISMATCH", 0x37 }, |
| 1603 | { "BAD_COMMAND", 0x38 }, |
| 1604 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, |
| 1605 | { "FATAL_ERROR", 0x3D }, |
| 1606 | { "NMI_TRM_HW_ERR", 0x46 }, |
| 1607 | { "NMI_INTERRUPT_TRM", 0x4C }, |
| 1608 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, |
| 1609 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, |
| 1610 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, |
| 1611 | { "NMI_INTERRUPT_HOST", 0x66 }, |
| 1612 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, |
| 1613 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, |
| 1614 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, |
| 1615 | { "ADVANCED_SYSASSERT", 0 }, |
| 1616 | }; |
| 1617 | |
| 1618 | static const char *desc_lookup(u32 num) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1619 | { |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1620 | int i; |
| 1621 | int max = ARRAY_SIZE(desc_lookup_text); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1622 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1623 | if (num < max) |
| 1624 | return desc_lookup_text[num]; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1625 | |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1626 | max = ARRAY_SIZE(advanced_lookup) - 1; |
| 1627 | for (i = 0; i < max; i++) { |
| 1628 | if (advanced_lookup[i].num == num) |
Justin P. Mattock | 6eab04a | 2011-04-08 19:49:08 -0700 | [diff] [blame] | 1629 | break; |
Jay Sternberg | 4b58645 | 2010-07-02 15:49:10 -0700 | [diff] [blame] | 1630 | } |
| 1631 | return advanced_lookup[i].name; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1632 | } |
| 1633 | |
| 1634 | #define ERROR_START_OFFSET (1 * sizeof(u32)) |
| 1635 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) |
| 1636 | |
| 1637 | void iwl_dump_nic_error_log(struct iwl_priv *priv) |
| 1638 | { |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1639 | u32 base; |
Johannes Berg | e46f653 | 2011-04-13 03:14:43 -0700 | [diff] [blame] | 1640 | struct iwl_error_event_table table; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1641 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1642 | base = priv->device_pointers.error_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1643 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1644 | if (!base) |
| 1645 | base = priv->_agn.init_errlog_ptr; |
| 1646 | } else { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1647 | if (!base) |
| 1648 | base = priv->_agn.inst_errlog_ptr; |
| 1649 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1650 | |
| 1651 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
Wey-Yi Guy | 212fb57 | 2009-12-02 12:53:00 -0800 | [diff] [blame] | 1652 | IWL_ERR(priv, |
| 1653 | "Not valid error log pointer 0x%08X for %s uCode\n", |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1654 | base, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1655 | (priv->ucode_type == IWL_UCODE_INIT) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1656 | ? "Init" : "RT"); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1657 | return; |
| 1658 | } |
| 1659 | |
Johannes Berg | e46f653 | 2011-04-13 03:14:43 -0700 | [diff] [blame] | 1660 | iwl_read_targ_mem_words(priv, base, &table, sizeof(table)); |
| 1661 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1662 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1663 | IWL_ERR(priv, "Start IWL Error Log Dump:\n"); |
| 1664 | IWL_ERR(priv, "Status: 0x%08lX, count: %d\n", |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1665 | priv->status, table.valid); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1666 | } |
| 1667 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1668 | priv->isr_stats.err_code = table.error_id; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1669 | |
Wey-Yi Guy | 5065054 | 2011-05-04 16:56:52 -0700 | [diff] [blame] | 1670 | trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low, |
| 1671 | table.data1, table.data2, table.line, |
| 1672 | table.blink1, table.blink2, table.ilink1, |
| 1673 | table.ilink2, table.bcon_time, table.gp1, |
| 1674 | table.gp2, table.gp3, table.ucode_ver, |
| 1675 | table.hw_ver, table.brd_ver); |
| 1676 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, |
| 1677 | desc_lookup(table.error_id)); |
| 1678 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); |
| 1679 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); |
| 1680 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); |
| 1681 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); |
| 1682 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); |
| 1683 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); |
| 1684 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); |
| 1685 | IWL_ERR(priv, "0x%08X | line\n", table.line); |
| 1686 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); |
| 1687 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); |
| 1688 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); |
| 1689 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); |
| 1690 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); |
| 1691 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); |
| 1692 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); |
| 1693 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); |
| 1694 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); |
| 1695 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1696 | } |
| 1697 | |
| 1698 | #define EVENT_START_OFFSET (4 * sizeof(u32)) |
| 1699 | |
| 1700 | /** |
| 1701 | * iwl_print_event_log - Dump error event log to syslog |
| 1702 | * |
| 1703 | */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1704 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, |
| 1705 | u32 num_events, u32 mode, |
| 1706 | int pos, char **buf, size_t bufsz) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1707 | { |
| 1708 | u32 i; |
| 1709 | u32 base; /* SRAM byte address of event log header */ |
| 1710 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ |
| 1711 | u32 ptr; /* SRAM byte address of log data */ |
| 1712 | u32 ev, time, data; /* event log data */ |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1713 | unsigned long reg_flags; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1714 | |
| 1715 | if (num_events == 0) |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1716 | return pos; |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1717 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1718 | base = priv->device_pointers.log_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1719 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1720 | if (!base) |
| 1721 | base = priv->_agn.init_evtlog_ptr; |
| 1722 | } else { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1723 | if (!base) |
| 1724 | base = priv->_agn.inst_evtlog_ptr; |
| 1725 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1726 | |
| 1727 | if (mode == 0) |
| 1728 | event_size = 2 * sizeof(u32); |
| 1729 | else |
| 1730 | event_size = 3 * sizeof(u32); |
| 1731 | |
| 1732 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); |
| 1733 | |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1734 | /* Make sure device is powered up for SRAM reads */ |
| 1735 | spin_lock_irqsave(&priv->reg_lock, reg_flags); |
| 1736 | iwl_grab_nic_access(priv); |
| 1737 | |
| 1738 | /* Set starting address; reads will auto-increment */ |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1739 | iwl_write32(priv, HBUS_TARG_MEM_RADDR, ptr); |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1740 | rmb(); |
| 1741 | |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1742 | /* "time" is actually "data" for mode 0 (no timestamp). |
| 1743 | * place event id # at far right for easier visual parsing. */ |
| 1744 | for (i = 0; i < num_events; i++) { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1745 | ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
| 1746 | time = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1747 | if (mode == 0) { |
| 1748 | /* data, ev */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1749 | if (bufsz) { |
| 1750 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1751 | "EVT_LOG:0x%08x:%04u\n", |
| 1752 | time, ev); |
| 1753 | } else { |
| 1754 | trace_iwlwifi_dev_ucode_event(priv, 0, |
| 1755 | time, ev); |
| 1756 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", |
| 1757 | time, ev); |
| 1758 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1759 | } else { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 1760 | data = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1761 | if (bufsz) { |
| 1762 | pos += scnprintf(*buf + pos, bufsz - pos, |
| 1763 | "EVT_LOGT:%010u:0x%08x:%04u\n", |
| 1764 | time, data, ev); |
| 1765 | } else { |
| 1766 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1767 | time, data, ev); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1768 | trace_iwlwifi_dev_ucode_event(priv, time, |
| 1769 | data, ev); |
| 1770 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1771 | } |
| 1772 | } |
Ben Cahill | e585447 | 2009-11-06 14:52:58 -0800 | [diff] [blame] | 1773 | |
| 1774 | /* Allow device to power down */ |
| 1775 | iwl_release_nic_access(priv); |
| 1776 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1777 | return pos; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1778 | } |
| 1779 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1780 | /** |
| 1781 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog |
| 1782 | */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1783 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, |
| 1784 | u32 num_wraps, u32 next_entry, |
| 1785 | u32 size, u32 mode, |
| 1786 | int pos, char **buf, size_t bufsz) |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1787 | { |
| 1788 | /* |
| 1789 | * display the newest DEFAULT_LOG_ENTRIES entries |
| 1790 | * i.e the entries just before the next ont that uCode would fill. |
| 1791 | */ |
| 1792 | if (num_wraps) { |
| 1793 | if (next_entry < size) { |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1794 | pos = iwl_print_event_log(priv, |
| 1795 | capacity - (size - next_entry), |
| 1796 | size - next_entry, mode, |
| 1797 | pos, buf, bufsz); |
| 1798 | pos = iwl_print_event_log(priv, 0, |
| 1799 | next_entry, mode, |
| 1800 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1801 | } else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1802 | pos = iwl_print_event_log(priv, next_entry - size, |
| 1803 | size, mode, pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1804 | } else { |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1805 | if (next_entry < size) { |
| 1806 | pos = iwl_print_event_log(priv, 0, next_entry, |
| 1807 | mode, pos, buf, bufsz); |
| 1808 | } else { |
| 1809 | pos = iwl_print_event_log(priv, next_entry - size, |
| 1810 | size, mode, pos, buf, bufsz); |
| 1811 | } |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1812 | } |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1813 | return pos; |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1814 | } |
| 1815 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1816 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) |
| 1817 | |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1818 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, |
| 1819 | char **buf, bool display) |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1820 | { |
| 1821 | u32 base; /* SRAM byte address of event log header */ |
| 1822 | u32 capacity; /* event log capacity in # entries */ |
| 1823 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ |
| 1824 | u32 num_wraps; /* # times uCode wrapped to top of log */ |
| 1825 | u32 next_entry; /* index of next entry to be written by uCode */ |
| 1826 | u32 size; /* # entries that we'll print */ |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1827 | u32 logsize; |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1828 | int pos = 0; |
| 1829 | size_t bufsz = 0; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1830 | |
Johannes Berg | d7d5783 | 2011-04-05 09:42:04 -0700 | [diff] [blame] | 1831 | base = priv->device_pointers.log_event_table; |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1832 | if (priv->ucode_type == IWL_UCODE_INIT) { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1833 | logsize = priv->_agn.init_evtlog_size; |
| 1834 | if (!base) |
| 1835 | base = priv->_agn.init_evtlog_ptr; |
| 1836 | } else { |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1837 | logsize = priv->_agn.inst_evtlog_size; |
| 1838 | if (!base) |
| 1839 | base = priv->_agn.inst_evtlog_ptr; |
| 1840 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1841 | |
| 1842 | if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { |
Wey-Yi Guy | 212fb57 | 2009-12-02 12:53:00 -0800 | [diff] [blame] | 1843 | IWL_ERR(priv, |
| 1844 | "Invalid event log pointer 0x%08X for %s uCode\n", |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1845 | base, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 1846 | (priv->ucode_type == IWL_UCODE_INIT) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 1847 | ? "Init" : "RT"); |
Wey-Yi Guy | 937c397 | 2010-01-15 13:43:36 -0800 | [diff] [blame] | 1848 | return -EINVAL; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1849 | } |
| 1850 | |
| 1851 | /* event log header */ |
| 1852 | capacity = iwl_read_targ_mem(priv, base); |
| 1853 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); |
| 1854 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); |
| 1855 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); |
| 1856 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1857 | if (capacity > logsize) { |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1858 | 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] | 1859 | capacity, logsize); |
| 1860 | capacity = logsize; |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1861 | } |
| 1862 | |
Johannes Berg | b2e640d | 2010-05-05 23:24:54 -0700 | [diff] [blame] | 1863 | if (next_entry > logsize) { |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1864 | 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] | 1865 | next_entry, logsize); |
| 1866 | next_entry = logsize; |
Ben Cahill | 84c4069 | 2009-11-06 14:52:57 -0800 | [diff] [blame] | 1867 | } |
| 1868 | |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1869 | size = num_wraps ? capacity : next_entry; |
| 1870 | |
| 1871 | /* bail out if nothing in log */ |
| 1872 | if (size == 0) { |
| 1873 | 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] | 1874 | return pos; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1875 | } |
| 1876 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 1877 | /* enable/disable bt channel inhibition */ |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 1878 | priv->bt_ch_announce = iwlagn_bt_ch_announce; |
| 1879 | |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1880 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | 521d9bc | 2009-12-10 14:37:23 -0800 | [diff] [blame] | 1881 | 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] | 1882 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 1883 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
| 1884 | #else |
| 1885 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) |
| 1886 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1887 | #endif |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1888 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", |
| 1889 | size); |
| 1890 | |
| 1891 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1892 | if (display) { |
| 1893 | if (full_log) |
| 1894 | bufsz = capacity * 48; |
| 1895 | else |
| 1896 | bufsz = size * 48; |
| 1897 | *buf = kmalloc(bufsz, GFP_KERNEL); |
| 1898 | if (!*buf) |
Wey-Yi Guy | 937c397 | 2010-01-15 13:43:36 -0800 | [diff] [blame] | 1899 | return -ENOMEM; |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1900 | } |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1901 | if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { |
| 1902 | /* |
| 1903 | * if uCode has wrapped back to top of log, |
| 1904 | * start at the oldest entry, |
| 1905 | * i.e the next one that uCode would fill. |
| 1906 | */ |
| 1907 | if (num_wraps) |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1908 | pos = iwl_print_event_log(priv, next_entry, |
| 1909 | capacity - next_entry, mode, |
| 1910 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1911 | /* (then/else) start at top of log */ |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1912 | pos = iwl_print_event_log(priv, 0, |
| 1913 | next_entry, mode, pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1914 | } else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1915 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 1916 | next_entry, size, mode, |
| 1917 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1918 | #else |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1919 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, |
| 1920 | next_entry, size, mode, |
| 1921 | pos, buf, bufsz); |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1922 | #endif |
Wey-Yi Guy | b03d7d0 | 2009-12-14 14:12:20 -0800 | [diff] [blame] | 1923 | return pos; |
Wey-Yi Guy | c341ddb | 2009-11-20 12:05:07 -0800 | [diff] [blame] | 1924 | } |
Reinette Chatre | b7a7940 | 2009-09-25 14:24:23 -0700 | [diff] [blame] | 1925 | |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1926 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
| 1927 | { |
| 1928 | struct iwl_ct_kill_config cmd; |
| 1929 | struct iwl_ct_kill_throttling_config adv_cmd; |
| 1930 | unsigned long flags; |
| 1931 | int ret = 0; |
| 1932 | |
| 1933 | spin_lock_irqsave(&priv->lock, flags); |
| 1934 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, |
| 1935 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
| 1936 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1937 | priv->thermal_throttle.ct_kill_toggle = false; |
| 1938 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 1939 | if (priv->cfg->base_params->support_ct_kill_exit) { |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1940 | adv_cmd.critical_temperature_enter = |
| 1941 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 1942 | adv_cmd.critical_temperature_exit = |
| 1943 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
| 1944 | |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 1945 | ret = trans_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1946 | REPLY_CT_KILL_CONFIG_CMD, |
| 1947 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1948 | if (ret) |
| 1949 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1950 | else |
| 1951 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
| 1952 | "succeeded, " |
| 1953 | "critical temperature enter is %d," |
| 1954 | "exit is %d\n", |
| 1955 | priv->hw_params.ct_kill_threshold, |
| 1956 | priv->hw_params.ct_kill_exit_threshold); |
| 1957 | } else { |
| 1958 | cmd.critical_temperature_R = |
| 1959 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
| 1960 | |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 1961 | ret = trans_send_cmd_pdu(priv, |
Emmanuel Grumbach | e419d62 | 2011-07-08 08:46:14 -0700 | [diff] [blame] | 1962 | REPLY_CT_KILL_CONFIG_CMD, |
| 1963 | CMD_SYNC, sizeof(cmd), &cmd); |
Wey-Yi Guy | 0975cc8 | 2010-07-31 08:34:07 -0700 | [diff] [blame] | 1964 | if (ret) |
| 1965 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); |
| 1966 | else |
| 1967 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " |
| 1968 | "succeeded, " |
| 1969 | "critical temperature is %d\n", |
| 1970 | priv->hw_params.ct_kill_threshold); |
| 1971 | } |
| 1972 | } |
| 1973 | |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1974 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
| 1975 | { |
| 1976 | struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| 1977 | struct iwl_host_cmd cmd = { |
| 1978 | .id = CALIBRATION_CFG_CMD, |
Johannes Berg | 3fa5073 | 2011-05-04 07:50:38 -0700 | [diff] [blame] | 1979 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| 1980 | .data = { &calib_cfg_cmd, }, |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1981 | }; |
| 1982 | |
| 1983 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
| 1984 | 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] | 1985 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1986 | |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 1987 | return trans_send_cmd(priv, &cmd); |
Shanyu Zhao | 6d6a1af | 2010-09-14 18:13:31 -0700 | [diff] [blame] | 1988 | } |
| 1989 | |
| 1990 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1991 | /** |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1992 | * iwl_alive_start - called after REPLY_ALIVE notification received |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1993 | * from protocol/runtime uCode (initialization uCode's |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 1994 | * Alive gets handled by iwl_init_alive_start()). |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1995 | */ |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 1996 | int iwl_alive_start(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1997 | { |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 1998 | int ret = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 1999 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2000 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2001 | iwl_reset_ict(priv); |
| 2002 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2003 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2004 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2005 | /* After the ALIVE response, we can send host commands to the uCode */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2006 | set_bit(STATUS_ALIVE, &priv->status); |
| 2007 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 2008 | /* Enable watchdog to monitor the driver tx queues */ |
| 2009 | iwl_setup_watchdog(priv); |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 2010 | |
Tomas Winkler | fee1247 | 2008-04-03 16:05:21 -0700 | [diff] [blame] | 2011 | if (iwl_is_rfkill(priv)) |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2012 | return -ERFKILL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2013 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 2014 | /* download priority table before any calibration request */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2015 | if (priv->cfg->bt_params && |
| 2016 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 2017 | /* Configure Bluetooth device coexistence support */ |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2018 | if (priv->cfg->bt_params->bt_sco_disable) |
| 2019 | priv->bt_enable_pspoll = false; |
| 2020 | else |
| 2021 | priv->bt_enable_pspoll = true; |
| 2022 | |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 2023 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
| 2024 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 2025 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 2026 | iwlagn_send_advance_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 2027 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2028 | priv->cur_rssi_ctx = NULL; |
| 2029 | |
Wey-Yi Guy | a5901cb | 2010-09-23 09:56:51 -0700 | [diff] [blame] | 2030 | iwlagn_send_prio_tbl(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 2031 | |
| 2032 | /* FIXME: w/a to force change uCode BT state machine */ |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2033 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
| 2034 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 2035 | if (ret) |
| 2036 | return ret; |
| 2037 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
| 2038 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| 2039 | if (ret) |
| 2040 | return ret; |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 2041 | } else { |
| 2042 | /* |
| 2043 | * default is 2-wire BT coexexistence support |
| 2044 | */ |
| 2045 | iwl_send_bt_config(priv); |
Wey-Yi Guy | f7322f8 | 2010-08-23 15:24:49 -0700 | [diff] [blame] | 2046 | } |
Wey-Yi Guy | e55b517 | 2011-06-28 11:46:28 -0700 | [diff] [blame] | 2047 | |
Wey-Yi Guy | bc795df | 2010-10-11 14:24:05 -0700 | [diff] [blame] | 2048 | if (priv->hw_params.calib_rt_cfg) |
| 2049 | iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg); |
| 2050 | |
Johannes Berg | 36d6825 | 2008-05-15 12:55:26 +0200 | [diff] [blame] | 2051 | ieee80211_wake_queues(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2052 | |
Johannes Berg | 470ab2d | 2010-01-21 11:23:30 -0800 | [diff] [blame] | 2053 | priv->active_rate = IWL_RATES_MASK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2054 | |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 2055 | /* Configure Tx antenna selection based on H/W config */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 2056 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
Wey-Yi Guy | 2f748de | 2009-09-17 10:43:51 -0700 | [diff] [blame] | 2057 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2058 | if (iwl_is_associated_ctx(ctx)) { |
Gregory Greenman | c1adf9f | 2008-05-15 13:53:59 +0800 | [diff] [blame] | 2059 | struct iwl_rxon_cmd *active_rxon = |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2060 | (struct iwl_rxon_cmd *)&ctx->active; |
Mohamed Abbas | 019fb97 | 2009-03-17 21:59:18 -0700 | [diff] [blame] | 2061 | /* apply any changes in staging */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2062 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2063 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 2064 | } else { |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2065 | struct iwl_rxon_context *tmp; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2066 | /* Initialize our rx_config data */ |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2067 | for_each_context(priv, tmp) |
| 2068 | iwl_connection_init_rx_config(priv, tmp); |
Abhijeet Kolekar | 4582353 | 2009-04-08 11:26:44 -0700 | [diff] [blame] | 2069 | |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 2070 | iwlagn_set_rxon_chain(priv, ctx); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2071 | } |
| 2072 | |
Tomas Winkler | 4a4a9e8 | 2008-05-29 16:34:54 +0800 | [diff] [blame] | 2073 | iwl_reset_run_time_calib(priv); |
| 2074 | |
Wey-Yi Guy | 9e2e742 | 2010-11-12 13:52:37 -0800 | [diff] [blame] | 2075 | set_bit(STATUS_READY, &priv->status); |
| 2076 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2077 | /* Configure the adapter for unassociated operation */ |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 2078 | ret = iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2079 | if (ret) |
| 2080 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2081 | |
| 2082 | /* At this point, the NIC is initialized and operational */ |
Emmanuel Grumbach | 47f4a58 | 2008-06-12 09:47:13 +0800 | [diff] [blame] | 2083 | iwl_rf_kill_ct_config(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2084 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2085 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2086 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2087 | return iwl_power_update_mode(priv, true); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2088 | } |
| 2089 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2090 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2091 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2092 | static void __iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2093 | { |
Dan Carpenter | 22dd2fd | 2011-03-15 10:03:24 +0300 | [diff] [blame] | 2094 | int exit_pending; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2095 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2096 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2097 | |
Stanislaw Gruszka | d745d47 | 2010-09-13 14:46:35 +0200 | [diff] [blame] | 2098 | iwl_scan_cancel_timeout(priv, 200); |
| 2099 | |
| 2100 | exit_pending = test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2101 | |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 2102 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
| 2103 | * to prevent rearm timer */ |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 2104 | del_timer_sync(&priv->watchdog); |
Stanislaw Gruszka | b62177a | 2010-08-20 15:23:47 +0200 | [diff] [blame] | 2105 | |
Johannes Berg | dcef732 | 2010-08-27 08:55:52 -0700 | [diff] [blame] | 2106 | iwl_clear_ucode_stations(priv, NULL); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2107 | iwl_dealloc_bcast_stations(priv); |
Johannes Berg | db125c7 | 2010-05-07 01:49:15 -0700 | [diff] [blame] | 2108 | iwl_clear_driver_stations(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2109 | |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 2110 | /* reset BT coex data */ |
Wey-Yi Guy | da5dbb9 | 2010-08-23 07:57:13 -0700 | [diff] [blame] | 2111 | priv->bt_status = 0; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2112 | priv->cur_rssi_ctx = NULL; |
| 2113 | priv->bt_is_sco = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2114 | if (priv->cfg->bt_params) |
| 2115 | priv->bt_traffic_load = |
| 2116 | priv->cfg->bt_params->bt_init_traffic_load; |
| 2117 | else |
| 2118 | priv->bt_traffic_load = 0; |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 2119 | priv->bt_full_concurrent = false; |
| 2120 | priv->bt_ci_compliance = 0; |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 2121 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2122 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
| 2123 | * exiting the module */ |
| 2124 | if (!exit_pending) |
| 2125 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
| 2126 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2127 | if (priv->mac80211_registered) |
| 2128 | ieee80211_stop_queues(priv->hw); |
| 2129 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 2130 | /* 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] | 2131 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
| 2132 | STATUS_RF_KILL_HW | |
Reinette Chatre | 9788864 | 2008-02-06 11:20:38 -0800 | [diff] [blame] | 2133 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
| 2134 | STATUS_GEO_CONFIGURED | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2135 | test_bit(STATUS_FW_ERROR, &priv->status) << |
Mohamed Abbas | 052ec3f | 2008-06-30 17:23:15 +0800 | [diff] [blame] | 2136 | STATUS_FW_ERROR | |
| 2137 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
| 2138 | STATUS_EXIT_PENDING; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2139 | |
Johannes Berg | bc4f8ad | 2011-04-13 03:14:45 -0700 | [diff] [blame] | 2140 | iwlagn_stop_device(priv); |
Ben Cahill | 4d2ccdb | 2009-10-09 13:20:20 -0700 | [diff] [blame] | 2141 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 2142 | dev_kfree_skb(priv->beacon_skb); |
Johannes Berg | 12e934d | 2010-10-04 05:50:06 -0700 | [diff] [blame] | 2143 | priv->beacon_skb = NULL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2144 | } |
| 2145 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2146 | static void iwl_down(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2147 | { |
| 2148 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2149 | __iwl_down(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2150 | mutex_unlock(&priv->mutex); |
Zhu Yi | b24d22b | 2007-12-19 13:59:52 +0800 | [diff] [blame] | 2151 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 2152 | iwl_cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2153 | } |
| 2154 | |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2155 | #define HW_READY_TIMEOUT (50) |
| 2156 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2157 | /* Note: returns poll_bit return value, which is >= 0 if success */ |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2158 | static int iwl_set_hw_ready(struct iwl_priv *priv) |
| 2159 | { |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2160 | int ret; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2161 | |
| 2162 | iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, |
| 2163 | CSR_HW_IF_CONFIG_REG_BIT_NIC_READY); |
| 2164 | |
| 2165 | /* See if we got it */ |
| 2166 | ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, |
| 2167 | CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, |
| 2168 | CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, |
| 2169 | HW_READY_TIMEOUT); |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2170 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2171 | IWL_DEBUG_INFO(priv, "hardware%s ready\n", ret < 0 ? " not" : ""); |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2172 | return ret; |
| 2173 | } |
| 2174 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2175 | /* Note: returns standard 0/-ERROR code */ |
Johannes Berg | 3e14c1f | 2011-04-13 03:14:46 -0700 | [diff] [blame] | 2176 | int iwl_prepare_card_hw(struct iwl_priv *priv) |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2177 | { |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2178 | int ret; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2179 | |
Frans Pop | 91dd6c2 | 2010-03-24 14:19:58 -0700 | [diff] [blame] | 2180 | IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n"); |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2181 | |
Mohamed Abbas | 3354a0f | 2009-06-19 13:52:41 -0700 | [diff] [blame] | 2182 | ret = iwl_set_hw_ready(priv); |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2183 | if (ret >= 0) |
| 2184 | return 0; |
Mohamed Abbas | 3354a0f | 2009-06-19 13:52:41 -0700 | [diff] [blame] | 2185 | |
| 2186 | /* If HW is not ready, prepare the conditions to check again */ |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2187 | iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, |
| 2188 | CSR_HW_IF_CONFIG_REG_PREPARE); |
| 2189 | |
| 2190 | ret = iwl_poll_bit(priv, CSR_HW_IF_CONFIG_REG, |
| 2191 | ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, |
| 2192 | CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000); |
| 2193 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2194 | if (ret < 0) |
| 2195 | return ret; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2196 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 2197 | /* HW should be ready by now, check again. */ |
| 2198 | ret = iwl_set_hw_ready(priv); |
| 2199 | if (ret >= 0) |
| 2200 | return 0; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 2201 | return ret; |
| 2202 | } |
| 2203 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2204 | #define MAX_HW_RESTARTS 5 |
| 2205 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2206 | static int __iwl_up(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2207 | { |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2208 | struct iwl_rxon_context *ctx; |
Tomas Winkler | 57aab75 | 2008-04-14 21:16:03 -0700 | [diff] [blame] | 2209 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2210 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2211 | lockdep_assert_held(&priv->mutex); |
| 2212 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2213 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { |
Winkler, Tomas | 39aadf8 | 2008-12-19 10:37:32 +0800 | [diff] [blame] | 2214 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2215 | return -EIO; |
| 2216 | } |
| 2217 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2218 | for_each_context(priv, ctx) { |
Johannes Berg | a30e311 | 2010-09-22 18:02:01 +0200 | [diff] [blame] | 2219 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2220 | if (ret) { |
| 2221 | iwl_dealloc_bcast_stations(priv); |
| 2222 | return ret; |
| 2223 | } |
| 2224 | } |
Johannes Berg | 2c810cc | 2010-04-29 00:53:29 -0700 | [diff] [blame] | 2225 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2226 | ret = iwlagn_run_init_ucode(priv); |
| 2227 | if (ret) { |
| 2228 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); |
| 2229 | goto error; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2230 | } |
| 2231 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2232 | ret = iwlagn_load_ucode_wait_alive(priv, |
Johannes Berg | dbf28e21 | 2011-04-16 08:29:24 -0700 | [diff] [blame] | 2233 | &priv->ucode_rt, |
Johannes Berg | 872907b | 2011-06-06 09:41:15 -0700 | [diff] [blame] | 2234 | IWL_UCODE_REGULAR); |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2235 | if (ret) { |
| 2236 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); |
| 2237 | goto error; |
| 2238 | } |
| 2239 | |
| 2240 | ret = iwl_alive_start(priv); |
| 2241 | if (ret) |
| 2242 | goto error; |
| 2243 | return 0; |
| 2244 | |
| 2245 | error: |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2246 | set_bit(STATUS_EXIT_PENDING, &priv->status); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2247 | __iwl_down(priv); |
Mohamed Abbas | 64e72c3e | 2008-06-12 09:47:03 +0800 | [diff] [blame] | 2248 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2249 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2250 | IWL_ERR(priv, "Unable to initialize device.\n"); |
| 2251 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2252 | } |
| 2253 | |
| 2254 | |
| 2255 | /***************************************************************************** |
| 2256 | * |
| 2257 | * Workqueue callbacks |
| 2258 | * |
| 2259 | *****************************************************************************/ |
| 2260 | |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 2261 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
| 2262 | { |
| 2263 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 2264 | run_time_calib_work); |
| 2265 | |
| 2266 | mutex_lock(&priv->mutex); |
| 2267 | |
| 2268 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
| 2269 | test_bit(STATUS_SCANNING, &priv->status)) { |
| 2270 | mutex_unlock(&priv->mutex); |
| 2271 | return; |
| 2272 | } |
| 2273 | |
| 2274 | if (priv->start_calib) { |
Johannes Berg | 0da0e5b | 2011-04-08 08:14:56 -0700 | [diff] [blame] | 2275 | iwl_chain_noise_calibration(priv); |
| 2276 | iwl_sensitivity_calibration(priv); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 2277 | } |
| 2278 | |
| 2279 | mutex_unlock(&priv->mutex); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 2280 | } |
| 2281 | |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 2282 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
| 2283 | { |
| 2284 | struct iwl_rxon_context *ctx; |
| 2285 | bool bt_full_concurrent; |
| 2286 | u8 bt_ci_compliance; |
| 2287 | u8 bt_load; |
| 2288 | u8 bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2289 | bool bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 2290 | |
| 2291 | lockdep_assert_held(&priv->mutex); |
| 2292 | |
| 2293 | for_each_context(priv, ctx) |
| 2294 | ctx->vif = NULL; |
| 2295 | priv->is_open = 0; |
| 2296 | |
| 2297 | /* |
| 2298 | * __iwl_down() will clear the BT status variables, |
| 2299 | * which is correct, but when we restart we really |
| 2300 | * want to keep them so restore them afterwards. |
| 2301 | * |
| 2302 | * The restart process will later pick them up and |
| 2303 | * re-configure the hw when we reconfigure the BT |
| 2304 | * command. |
| 2305 | */ |
| 2306 | bt_full_concurrent = priv->bt_full_concurrent; |
| 2307 | bt_ci_compliance = priv->bt_ci_compliance; |
| 2308 | bt_load = priv->bt_traffic_load; |
| 2309 | bt_status = priv->bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2310 | bt_is_sco = priv->bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 2311 | |
| 2312 | __iwl_down(priv); |
| 2313 | |
| 2314 | priv->bt_full_concurrent = bt_full_concurrent; |
| 2315 | priv->bt_ci_compliance = bt_ci_compliance; |
| 2316 | priv->bt_traffic_load = bt_load; |
| 2317 | priv->bt_status = bt_status; |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 2318 | priv->bt_is_sco = bt_is_sco; |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 2319 | } |
| 2320 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2321 | static void iwl_bg_restart(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2322 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2323 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2324 | |
| 2325 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 2326 | return; |
| 2327 | |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2328 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { |
| 2329 | mutex_lock(&priv->mutex); |
Johannes Berg | e43e85c | 2011-04-19 07:45:16 -0700 | [diff] [blame] | 2330 | iwlagn_prepare_restart(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2331 | mutex_unlock(&priv->mutex); |
Johannes Berg | a117413 | 2010-08-23 07:56:59 -0700 | [diff] [blame] | 2332 | iwl_cancel_deferred_work(priv); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2333 | ieee80211_restart_hw(priv->hw); |
| 2334 | } else { |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2335 | WARN_ON(1); |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2336 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2337 | } |
| 2338 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2339 | static void iwl_bg_rx_replenish(struct work_struct *data) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2340 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2341 | struct iwl_priv *priv = |
| 2342 | container_of(data, struct iwl_priv, rx_replenish); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2343 | |
| 2344 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
| 2345 | return; |
| 2346 | |
| 2347 | mutex_lock(&priv->mutex); |
Wey-Yi Guy | 54b8155 | 2010-03-17 13:34:35 -0700 | [diff] [blame] | 2348 | iwlagn_rx_replenish(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2349 | mutex_unlock(&priv->mutex); |
| 2350 | } |
| 2351 | |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2352 | static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb, |
| 2353 | struct ieee80211_channel *chan, |
| 2354 | enum nl80211_channel_type channel_type, |
| 2355 | unsigned int wait) |
| 2356 | { |
| 2357 | struct iwl_priv *priv = hw->priv; |
| 2358 | int ret; |
| 2359 | |
| 2360 | /* Not supported if we don't have PAN */ |
| 2361 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) { |
| 2362 | ret = -EOPNOTSUPP; |
| 2363 | goto free; |
| 2364 | } |
| 2365 | |
| 2366 | /* Not supported on pre-P2P firmware */ |
| 2367 | if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & |
| 2368 | BIT(NL80211_IFTYPE_P2P_CLIENT))) { |
| 2369 | ret = -EOPNOTSUPP; |
| 2370 | goto free; |
| 2371 | } |
| 2372 | |
| 2373 | mutex_lock(&priv->mutex); |
| 2374 | |
| 2375 | if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) { |
| 2376 | /* |
| 2377 | * If the PAN context is free, use the normal |
| 2378 | * way of doing remain-on-channel offload + TX. |
| 2379 | */ |
| 2380 | ret = 1; |
| 2381 | goto out; |
| 2382 | } |
| 2383 | |
| 2384 | /* TODO: queue up if scanning? */ |
| 2385 | if (test_bit(STATUS_SCANNING, &priv->status) || |
| 2386 | priv->_agn.offchan_tx_skb) { |
| 2387 | ret = -EBUSY; |
| 2388 | goto out; |
| 2389 | } |
| 2390 | |
| 2391 | /* |
| 2392 | * max_scan_ie_len doesn't include the blank SSID or the header, |
| 2393 | * so need to add that again here. |
| 2394 | */ |
| 2395 | if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) { |
| 2396 | ret = -ENOBUFS; |
| 2397 | goto out; |
| 2398 | } |
| 2399 | |
| 2400 | priv->_agn.offchan_tx_skb = skb; |
| 2401 | priv->_agn.offchan_tx_timeout = wait; |
| 2402 | priv->_agn.offchan_tx_chan = chan; |
| 2403 | |
| 2404 | ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif, |
| 2405 | IWL_SCAN_OFFCH_TX, chan->band); |
| 2406 | if (ret) |
| 2407 | priv->_agn.offchan_tx_skb = NULL; |
| 2408 | out: |
| 2409 | mutex_unlock(&priv->mutex); |
| 2410 | free: |
| 2411 | if (ret < 0) |
| 2412 | kfree_skb(skb); |
| 2413 | |
| 2414 | return ret; |
| 2415 | } |
| 2416 | |
| 2417 | static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw) |
| 2418 | { |
| 2419 | struct iwl_priv *priv = hw->priv; |
| 2420 | int ret; |
| 2421 | |
| 2422 | mutex_lock(&priv->mutex); |
| 2423 | |
Dan Carpenter | f8a22a2 | 2011-03-15 10:01:58 +0300 | [diff] [blame] | 2424 | if (!priv->_agn.offchan_tx_skb) { |
| 2425 | ret = -EINVAL; |
| 2426 | goto unlock; |
| 2427 | } |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2428 | |
| 2429 | priv->_agn.offchan_tx_skb = NULL; |
| 2430 | |
| 2431 | ret = iwl_scan_cancel_timeout(priv, 200); |
| 2432 | if (ret) |
| 2433 | ret = -EIO; |
Dan Carpenter | f8a22a2 | 2011-03-15 10:01:58 +0300 | [diff] [blame] | 2434 | unlock: |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 2435 | mutex_unlock(&priv->mutex); |
| 2436 | |
| 2437 | return ret; |
| 2438 | } |
| 2439 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2440 | /***************************************************************************** |
| 2441 | * |
| 2442 | * mac80211 entry point functions |
| 2443 | * |
| 2444 | *****************************************************************************/ |
| 2445 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2446 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
| 2447 | { |
| 2448 | .max = 1, |
| 2449 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2450 | }, |
| 2451 | { |
| 2452 | .max = 1, |
| 2453 | .types = BIT(NL80211_IFTYPE_AP), |
| 2454 | }, |
| 2455 | }; |
| 2456 | |
| 2457 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { |
| 2458 | { |
| 2459 | .max = 2, |
| 2460 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2461 | }, |
| 2462 | }; |
| 2463 | |
| 2464 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { |
| 2465 | { |
| 2466 | .max = 1, |
| 2467 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2468 | }, |
| 2469 | { |
| 2470 | .max = 1, |
| 2471 | .types = BIT(NL80211_IFTYPE_P2P_GO) | |
| 2472 | BIT(NL80211_IFTYPE_AP), |
| 2473 | }, |
| 2474 | }; |
| 2475 | |
| 2476 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { |
| 2477 | { |
| 2478 | .max = 2, |
| 2479 | .types = BIT(NL80211_IFTYPE_STATION), |
| 2480 | }, |
| 2481 | { |
| 2482 | .max = 1, |
| 2483 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), |
| 2484 | }, |
| 2485 | }; |
| 2486 | |
| 2487 | static const struct ieee80211_iface_combination |
| 2488 | iwlagn_iface_combinations_dualmode[] = { |
| 2489 | { .num_different_channels = 1, |
| 2490 | .max_interfaces = 2, |
| 2491 | .beacon_int_infra_match = true, |
| 2492 | .limits = iwlagn_sta_ap_limits, |
| 2493 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), |
| 2494 | }, |
| 2495 | { .num_different_channels = 1, |
| 2496 | .max_interfaces = 2, |
| 2497 | .limits = iwlagn_2sta_limits, |
| 2498 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), |
| 2499 | }, |
| 2500 | }; |
| 2501 | |
| 2502 | static const struct ieee80211_iface_combination |
| 2503 | iwlagn_iface_combinations_p2p[] = { |
| 2504 | { .num_different_channels = 1, |
| 2505 | .max_interfaces = 2, |
| 2506 | .beacon_int_infra_match = true, |
| 2507 | .limits = iwlagn_p2p_sta_go_limits, |
| 2508 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), |
| 2509 | }, |
| 2510 | { .num_different_channels = 1, |
| 2511 | .max_interfaces = 2, |
| 2512 | .limits = iwlagn_p2p_2sta_limits, |
| 2513 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), |
| 2514 | }, |
| 2515 | }; |
| 2516 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2517 | /* |
| 2518 | * Not a mac80211 entry point function, but it fits in with all the |
| 2519 | * other mac80211 functions grouped here. |
| 2520 | */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2521 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
| 2522 | struct iwlagn_ucode_capabilities *capa) |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2523 | { |
| 2524 | int ret; |
| 2525 | struct ieee80211_hw *hw = priv->hw; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2526 | struct iwl_rxon_context *ctx; |
| 2527 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2528 | hw->rate_control_algorithm = "iwl-agn-rs"; |
| 2529 | |
| 2530 | /* Tell mac80211 our characteristics */ |
| 2531 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2532 | IEEE80211_HW_AMPDU_AGGREGATION | |
Johannes Berg | 2491fa4 | 2010-08-23 10:46:52 +0200 | [diff] [blame] | 2533 | IEEE80211_HW_NEED_DTIM_PERIOD | |
Johannes Berg | 6fb5511 | 2010-11-16 11:55:02 -0800 | [diff] [blame] | 2534 | IEEE80211_HW_SPECTRUM_MGMT | |
| 2535 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2536 | |
Johannes Berg | 9b76883 | 2011-01-19 02:54:18 -0800 | [diff] [blame] | 2537 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 2538 | |
Wey-Yi Guy | 23c0fcc | 2011-04-01 16:29:53 -0700 | [diff] [blame] | 2539 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
| 2540 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2541 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 2542 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 2543 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
| 2544 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; |
| 2545 | |
Johannes Berg | 3997ff3 | 2011-04-05 09:42:02 -0700 | [diff] [blame] | 2546 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
| 2547 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; |
| 2548 | |
Reinette Chatre | 8d9698b | 2009-10-16 14:25:55 -0700 | [diff] [blame] | 2549 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2550 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
| 2551 | |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 2552 | for_each_context(priv, ctx) { |
| 2553 | hw->wiphy->interface_modes |= ctx->interface_modes; |
| 2554 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; |
| 2555 | } |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2556 | |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2557 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
| 2558 | |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 2559 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2560 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
| 2561 | hw->wiphy->n_iface_combinations = |
| 2562 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); |
Johannes Berg | f35490f | 2011-06-02 19:38:43 +0200 | [diff] [blame] | 2563 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
Johannes Berg | 0fd0950 | 2011-05-27 08:40:30 -0700 | [diff] [blame] | 2564 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
| 2565 | hw->wiphy->n_iface_combinations = |
| 2566 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); |
| 2567 | } |
| 2568 | |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 2569 | hw->wiphy->max_remain_on_channel_duration = 1000; |
| 2570 | |
Reinette Chatre | f6c8f15 | 2010-03-12 11:13:26 -0800 | [diff] [blame] | 2571 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2572 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
| 2573 | WIPHY_FLAG_IBSS_RSN; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2574 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 2575 | if (iwlagn_mod_params.power_save) |
| 2576 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 2577 | else |
| 2578 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2579 | |
Reinette Chatre | 1382c71 | 2010-02-25 10:02:19 -0800 | [diff] [blame] | 2580 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2581 | /* we create the 802.11 header and a zero-length SSID element */ |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 2582 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2583 | |
| 2584 | /* Default value; 4 EDCA QOS priorities */ |
| 2585 | hw->queues = 4; |
| 2586 | |
| 2587 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; |
| 2588 | |
| 2589 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) |
| 2590 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 2591 | &priv->bands[IEEE80211_BAND_2GHZ]; |
| 2592 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) |
| 2593 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 2594 | &priv->bands[IEEE80211_BAND_5GHZ]; |
| 2595 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 2596 | iwl_leds_init(priv); |
| 2597 | |
Reinette Chatre | f0b6e2e | 2009-10-16 14:25:53 -0700 | [diff] [blame] | 2598 | ret = ieee80211_register_hw(priv->hw); |
| 2599 | if (ret) { |
| 2600 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); |
| 2601 | return ret; |
| 2602 | } |
| 2603 | priv->mac80211_registered = 1; |
| 2604 | |
| 2605 | return 0; |
| 2606 | } |
| 2607 | |
| 2608 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2609 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2610 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2611 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2612 | int ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2613 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2614 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2615 | |
| 2616 | /* we should be verifying the device is ready to be opened */ |
| 2617 | mutex_lock(&priv->mutex); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2618 | ret = __iwl_up(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2619 | mutex_unlock(&priv->mutex); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2620 | if (ret) |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2621 | return ret; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2622 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2623 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2624 | |
Johannes Berg | ca7966c | 2011-04-22 10:15:23 -0700 | [diff] [blame] | 2625 | /* Now we should be done, and the READY bit should be set. */ |
| 2626 | if (WARN_ON(!test_bit(STATUS_READY, &priv->status))) |
| 2627 | ret = -EIO; |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 2628 | |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 2629 | iwlagn_led_enable(priv); |
Johannes Berg | e932a60 | 2009-10-02 13:44:03 -0700 | [diff] [blame] | 2630 | |
Tomas Winkler | 0a078ff | 2008-06-30 17:23:26 +0800 | [diff] [blame] | 2631 | priv->is_open = 1; |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2632 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2633 | return 0; |
| 2634 | } |
| 2635 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2636 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2637 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2638 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2639 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2640 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 2641 | |
Johannes Berg | 19cc108 | 2009-05-08 13:44:36 -0700 | [diff] [blame] | 2642 | if (!priv->is_open) |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2643 | return; |
Zhu Yi | e655b9f | 2008-01-24 02:19:38 -0800 | [diff] [blame] | 2644 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2645 | priv->is_open = 0; |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2646 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 2647 | iwl_down(priv); |
Zhu Yi | 5a66926a | 2008-01-14 17:46:18 -0800 | [diff] [blame] | 2648 | |
| 2649 | flush_workqueue(priv->workqueue); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2650 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 2651 | /* User space software may expect getting rfkill changes |
| 2652 | * even if interface is down */ |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 2653 | iwl_write32(priv, CSR_INT, 0xFFFFFFFF); |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 2654 | iwl_enable_rfkill_int(priv); |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 2655 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2656 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2657 | } |
| 2658 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2659 | 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] | 2660 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2661 | struct iwl_priv *priv = hw->priv; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2662 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2663 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2664 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2665 | 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] | 2666 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2667 | |
Wey-Yi Guy | 74bcdb3 | 2010-03-17 13:34:34 -0700 | [diff] [blame] | 2668 | if (iwlagn_tx_skb(priv, skb)) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2669 | dev_kfree_skb_any(skb); |
| 2670 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2671 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2672 | } |
| 2673 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2674 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
| 2675 | struct ieee80211_vif *vif, |
| 2676 | struct ieee80211_key_conf *keyconf, |
| 2677 | struct ieee80211_sta *sta, |
| 2678 | u32 iv32, u16 *phase1key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2679 | { |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2680 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2681 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
| 2682 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2683 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Emmanuel Grumbach | ab885f8 | 2008-03-20 15:06:43 +0200 | [diff] [blame] | 2684 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2685 | iwl_update_tkip_key(priv, vif_priv->ctx, keyconf, sta, |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 2686 | iv32, phase1key); |
Emmanuel Grumbach | ab885f8 | 2008-03-20 15:06:43 +0200 | [diff] [blame] | 2687 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2688 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Emmanuel Grumbach | ab885f8 | 2008-03-20 15:06:43 +0200 | [diff] [blame] | 2689 | } |
| 2690 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2691 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 2692 | struct ieee80211_vif *vif, |
| 2693 | struct ieee80211_sta *sta, |
| 2694 | struct ieee80211_key_conf *key) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2695 | { |
Tomas Winkler | c79dd5b | 2008-03-12 16:58:50 -0700 | [diff] [blame] | 2696 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2697 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2698 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
Winkler, Tomas | 4298679 | 2009-01-19 15:30:22 -0800 | [diff] [blame] | 2699 | int ret; |
| 2700 | u8 sta_id; |
| 2701 | bool is_default_wep_key = false; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2702 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2703 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2704 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 2705 | if (iwlagn_mod_params.sw_crypto) { |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2706 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2707 | return -EOPNOTSUPP; |
| 2708 | } |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2709 | |
Johannes Berg | 274102a | 2011-01-18 04:44:03 -0800 | [diff] [blame] | 2710 | /* |
| 2711 | * To support IBSS RSN, don't program group keys in IBSS, the |
| 2712 | * hardware will then not attempt to decrypt the frames. |
| 2713 | */ |
| 2714 | if (vif->type == NL80211_IFTYPE_ADHOC && |
| 2715 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) |
| 2716 | return -EOPNOTSUPP; |
| 2717 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2718 | sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta); |
Johannes Berg | 0af8bca | 2010-04-30 14:08:00 -0700 | [diff] [blame] | 2719 | if (sta_id == IWL_INVALID_STATION) |
| 2720 | return -EINVAL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2721 | |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2722 | mutex_lock(&priv->mutex); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 2723 | iwl_scan_cancel_timeout(priv, 100); |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2724 | |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2725 | /* |
| 2726 | * 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] | 2727 | * so far, we are in legacy wep mode (group key only), otherwise we are |
| 2728 | * in 1X mode. |
Johannes Berg | a90178fa | 2010-03-30 02:44:16 -0700 | [diff] [blame] | 2729 | * In legacy wep mode, we use another host command to the uCode. |
| 2730 | */ |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 2731 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
| 2732 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && |
Johannes Berg | 54c8067 | 2010-08-18 09:35:21 -0700 | [diff] [blame] | 2733 | !sta) { |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2734 | if (cmd == SET_KEY) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2735 | is_default_wep_key = !ctx->key_mapping_keys; |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2736 | else |
Emmanuel Grumbach | ccc038a | 2008-05-15 13:54:09 +0800 | [diff] [blame] | 2737 | is_default_wep_key = |
| 2738 | (key->hw_key_idx == HW_KEY_DEFAULT); |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2739 | } |
mabbas | 052c4b9 | 2007-10-25 17:15:43 +0800 | [diff] [blame] | 2740 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2741 | switch (cmd) { |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2742 | case SET_KEY: |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2743 | if (is_default_wep_key) |
Johannes Berg | 2995baf | 2010-08-23 10:46:42 +0200 | [diff] [blame] | 2744 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2745 | else |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2746 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, |
| 2747 | key, sta_id); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2748 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2749 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2750 | break; |
| 2751 | case DISABLE_KEY: |
Emmanuel Grumbach | 6974e36 | 2008-04-14 21:16:06 -0700 | [diff] [blame] | 2752 | if (is_default_wep_key) |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2753 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2754 | else |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 2755 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta_id); |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2756 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2757 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2758 | break; |
| 2759 | default: |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2760 | ret = -EINVAL; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2761 | } |
| 2762 | |
Johannes Berg | 72e15d7 | 2010-02-19 11:42:32 -0800 | [diff] [blame] | 2763 | mutex_unlock(&priv->mutex); |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2764 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2765 | |
Emmanuel Grumbach | deb09c4 | 2008-03-19 16:41:41 -0700 | [diff] [blame] | 2766 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 2767 | } |
| 2768 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2769 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
| 2770 | struct ieee80211_vif *vif, |
| 2771 | enum ieee80211_ampdu_mlme_action action, |
| 2772 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, |
| 2773 | u8 buf_size) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2774 | { |
| 2775 | struct iwl_priv *priv = hw->priv; |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2776 | int ret = -EINVAL; |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2777 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2778 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2779 | 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] | 2780 | sta->addr, tid); |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2781 | |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 2782 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2783 | return -EACCES; |
| 2784 | |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2785 | mutex_lock(&priv->mutex); |
| 2786 | |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2787 | switch (action) { |
| 2788 | case IEEE80211_AMPDU_RX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2789 | IWL_DEBUG_HT(priv, "start Rx\n"); |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2790 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
| 2791 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2792 | case IEEE80211_AMPDU_RX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2793 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2794 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
Wey-Yi Guy | 5c2207c | 2009-03-17 21:51:43 -0700 | [diff] [blame] | 2795 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2796 | ret = 0; |
| 2797 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2798 | case IEEE80211_AMPDU_TX_START: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2799 | IWL_DEBUG_HT(priv, "start Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2800 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2801 | if (ret == 0) { |
| 2802 | priv->_agn.agg_tids_count++; |
| 2803 | IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n", |
| 2804 | priv->_agn.agg_tids_count); |
| 2805 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2806 | break; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2807 | case IEEE80211_AMPDU_TX_STOP: |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 2808 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
Johannes Berg | 619753f | 2010-04-30 11:30:46 -0700 | [diff] [blame] | 2809 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 2810 | if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) { |
| 2811 | priv->_agn.agg_tids_count--; |
| 2812 | IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n", |
| 2813 | priv->_agn.agg_tids_count); |
| 2814 | } |
Wey-Yi Guy | 5c2207c | 2009-03-17 21:51:43 -0700 | [diff] [blame] | 2815 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2816 | ret = 0; |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2817 | if (priv->cfg->ht_params && |
| 2818 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2819 | /* |
| 2820 | * switch off RTS/CTS if it was previously enabled |
| 2821 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2822 | sta_priv->lq_sta.lq.general_params.flags &= |
| 2823 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Johannes Berg | 7e6a588 | 2010-08-23 10:46:46 +0200 | [diff] [blame] | 2824 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2825 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2826 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2827 | break; |
Wey-Yi Guy | f052797 | 2010-01-08 10:04:41 -0800 | [diff] [blame] | 2828 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
Johannes Berg | c8823ec | 2011-03-15 11:33:03 -0700 | [diff] [blame] | 2829 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
| 2830 | |
| 2831 | iwlagn_txq_agg_queue_setup(priv, sta, tid, buf_size); |
| 2832 | |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2833 | /* |
| 2834 | * If the limit is 0, then it wasn't initialised yet, |
| 2835 | * use the default. We can do that since we take the |
| 2836 | * minimum below, and we don't want to go above our |
| 2837 | * default due to hardware restrictions. |
| 2838 | */ |
| 2839 | if (sta_priv->max_agg_bufsize == 0) |
| 2840 | sta_priv->max_agg_bufsize = |
| 2841 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
| 2842 | |
| 2843 | /* |
| 2844 | * Even though in theory the peer could have different |
| 2845 | * aggregation reorder buffer sizes for different sessions, |
| 2846 | * our ucode doesn't allow for that and has a global limit |
| 2847 | * for each station. Therefore, use the minimum of all the |
| 2848 | * aggregation sessions and our default value. |
| 2849 | */ |
| 2850 | sta_priv->max_agg_bufsize = |
| 2851 | min(sta_priv->max_agg_bufsize, buf_size); |
| 2852 | |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 2853 | if (priv->cfg->ht_params && |
| 2854 | priv->cfg->ht_params->use_rts_for_aggregation) { |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2855 | /* |
| 2856 | * switch to RTS/CTS if it is the prefer protection |
| 2857 | * method for HT traffic |
| 2858 | */ |
Johannes Berg | 94597ab | 2010-08-09 10:57:02 -0700 | [diff] [blame] | 2859 | |
| 2860 | sta_priv->lq_sta.lq.general_params.flags |= |
| 2861 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2862 | } |
Johannes Berg | 7b09068 | 2011-01-19 02:53:54 -0800 | [diff] [blame] | 2863 | |
| 2864 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = |
| 2865 | sta_priv->max_agg_bufsize; |
| 2866 | |
| 2867 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
| 2868 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); |
Wey-Yi Guy | 5bc9890 | 2011-05-27 08:40:32 -0700 | [diff] [blame] | 2869 | |
| 2870 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", |
| 2871 | sta->addr, tid); |
Wey-Yi Guy | cfecc6b | 2010-06-18 11:33:15 -0700 | [diff] [blame] | 2872 | ret = 0; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2873 | break; |
| 2874 | } |
Johannes Berg | 4620fef | 2010-06-16 03:30:27 -0700 | [diff] [blame] | 2875 | mutex_unlock(&priv->mutex); |
| 2876 | |
| 2877 | return ret; |
Tomas Winkler | d783b06 | 2008-07-18 13:53:02 +0800 | [diff] [blame] | 2878 | } |
Tomas Winkler | 9f58671 | 2008-11-12 13:14:05 -0800 | [diff] [blame] | 2879 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2880 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
| 2881 | struct ieee80211_vif *vif, |
| 2882 | struct ieee80211_sta *sta) |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2883 | { |
| 2884 | struct iwl_priv *priv = hw->priv; |
| 2885 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2886 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
Johannes Berg | eafdfbd3 | 2010-04-29 04:43:04 -0700 | [diff] [blame] | 2887 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2888 | int ret; |
| 2889 | u8 sta_id; |
| 2890 | |
| 2891 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", |
| 2892 | sta->addr); |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2893 | mutex_lock(&priv->mutex); |
| 2894 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
| 2895 | sta->addr); |
| 2896 | sta_priv->common.sta_id = IWL_INVALID_STATION; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2897 | |
| 2898 | atomic_set(&sta_priv->pending_frames, 0); |
| 2899 | if (vif->type == NL80211_IFTYPE_AP) |
| 2900 | sta_priv->client = true; |
| 2901 | |
Johannes Berg | a194e32 | 2010-08-27 08:53:46 -0700 | [diff] [blame] | 2902 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
Johannes Berg | 238d781 | 2010-08-23 10:46:45 +0200 | [diff] [blame] | 2903 | is_ap, sta, &sta_id); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2904 | if (ret) { |
| 2905 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", |
| 2906 | sta->addr, ret); |
| 2907 | /* Should we return success if return code is EEXIST ? */ |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2908 | mutex_unlock(&priv->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2909 | return ret; |
| 2910 | } |
| 2911 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2912 | sta_priv->common.sta_id = sta_id; |
| 2913 | |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2914 | /* Initialize rate scaling */ |
Frans Pop | 91dd6c2 | 2010-03-24 14:19:58 -0700 | [diff] [blame] | 2915 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2916 | sta->addr); |
| 2917 | iwl_rs_rate_init(priv, sta, sta_id); |
Reinette Chatre | da5ae1c | 2010-05-28 09:28:39 -0700 | [diff] [blame] | 2918 | mutex_unlock(&priv->mutex); |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2919 | |
Johannes Berg | fd1af15 | 2010-04-30 11:30:43 -0700 | [diff] [blame] | 2920 | return 0; |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 2921 | } |
| 2922 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 2923 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
| 2924 | struct ieee80211_channel_switch *ch_switch) |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2925 | { |
| 2926 | struct iwl_priv *priv = hw->priv; |
| 2927 | const struct iwl_channel_info *ch_info; |
| 2928 | struct ieee80211_conf *conf = &hw->conf; |
Shanyu Zhao | aa2dc6b | 2010-07-28 13:40:39 -0700 | [diff] [blame] | 2929 | struct ieee80211_channel *channel = ch_switch->channel; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2930 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2931 | /* |
| 2932 | * MULTI-FIXME |
| 2933 | * When we add support for multiple interfaces, we need to |
| 2934 | * revisit this. The channel switch command in the device |
| 2935 | * only affects the BSS context, but what does that really |
| 2936 | * mean? And what if we get a CSA on the second interface? |
| 2937 | * This needs a lot of work. |
| 2938 | */ |
| 2939 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2940 | u16 ch; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2941 | |
| 2942 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 2943 | |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2944 | mutex_lock(&priv->mutex); |
| 2945 | |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2946 | if (iwl_is_rfkill(priv)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2947 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2948 | |
| 2949 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
Stanislaw Gruszka | 6f213ff | 2011-06-02 18:17:15 +0200 | [diff] [blame] | 2950 | test_bit(STATUS_SCANNING, &priv->status) || |
| 2951 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2952 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2953 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 2954 | if (!iwl_is_associated_ctx(ctx)) |
Stanislaw Gruszka | dc1a406 | 2011-03-31 17:36:27 +0200 | [diff] [blame] | 2955 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2956 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2957 | if (!priv->cfg->ops->lib->set_channel_switch) |
| 2958 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2959 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2960 | ch = channel->hw_value; |
| 2961 | if (le16_to_cpu(ctx->active.channel) == ch) |
| 2962 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2963 | |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2964 | ch_info = iwl_get_channel_info(priv, channel->band, ch); |
| 2965 | if (!is_channel_valid(ch_info)) { |
| 2966 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); |
| 2967 | goto out; |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 2968 | } |
Stanislaw Gruszka | f973f87 | 2011-06-02 16:46:20 +0200 | [diff] [blame] | 2969 | |
| 2970 | spin_lock_irq(&priv->lock); |
| 2971 | |
| 2972 | priv->current_ht_config.smps = conf->smps_mode; |
| 2973 | |
| 2974 | /* Configure HT40 channels */ |
| 2975 | ctx->ht.enabled = conf_is_ht(conf); |
| 2976 | if (ctx->ht.enabled) { |
| 2977 | if (conf_is_ht40_minus(conf)) { |
| 2978 | ctx->ht.extension_chan_offset = |
| 2979 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; |
| 2980 | ctx->ht.is_40mhz = true; |
| 2981 | } else if (conf_is_ht40_plus(conf)) { |
| 2982 | ctx->ht.extension_chan_offset = |
| 2983 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; |
| 2984 | ctx->ht.is_40mhz = true; |
| 2985 | } else { |
| 2986 | ctx->ht.extension_chan_offset = |
| 2987 | IEEE80211_HT_PARAM_CHA_SEC_NONE; |
| 2988 | ctx->ht.is_40mhz = false; |
| 2989 | } |
| 2990 | } else |
| 2991 | ctx->ht.is_40mhz = false; |
| 2992 | |
| 2993 | if ((le16_to_cpu(ctx->staging.channel) != ch)) |
| 2994 | ctx->staging.flags = 0; |
| 2995 | |
| 2996 | iwl_set_rxon_channel(priv, channel, ctx); |
| 2997 | iwl_set_rxon_ht(priv, ht_conf); |
| 2998 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); |
| 2999 | |
| 3000 | spin_unlock_irq(&priv->lock); |
| 3001 | |
| 3002 | iwl_set_rate(priv); |
| 3003 | /* |
| 3004 | * at this point, staging_rxon has the |
| 3005 | * configuration for channel switch |
| 3006 | */ |
| 3007 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); |
| 3008 | priv->switch_channel = cpu_to_le16(ch); |
| 3009 | if (priv->cfg->ops->lib->set_channel_switch(priv, ch_switch)) { |
| 3010 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); |
| 3011 | priv->switch_channel = 0; |
| 3012 | ieee80211_chswitch_done(ctx->vif, false); |
| 3013 | } |
| 3014 | |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 3015 | out: |
| 3016 | mutex_unlock(&priv->mutex); |
Wey-Yi Guy | 79d0732 | 2010-05-06 08:54:11 -0700 | [diff] [blame] | 3017 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 3018 | } |
| 3019 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 3020 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
| 3021 | unsigned int changed_flags, |
| 3022 | unsigned int *total_flags, |
| 3023 | u64 multicast) |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3024 | { |
| 3025 | struct iwl_priv *priv = hw->priv; |
| 3026 | __le32 filter_or = 0, filter_nand = 0; |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 3027 | struct iwl_rxon_context *ctx; |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3028 | |
| 3029 | #define CHK(test, flag) do { \ |
| 3030 | if (*total_flags & (test)) \ |
| 3031 | filter_or |= (flag); \ |
| 3032 | else \ |
| 3033 | filter_nand |= (flag); \ |
| 3034 | } while (0) |
| 3035 | |
| 3036 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", |
| 3037 | changed_flags, *total_flags); |
| 3038 | |
| 3039 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); |
Johannes Berg | bdb84fe | 2010-12-15 06:07:56 -0800 | [diff] [blame] | 3040 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
| 3041 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3042 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
| 3043 | |
| 3044 | #undef CHK |
| 3045 | |
| 3046 | mutex_lock(&priv->mutex); |
| 3047 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 3048 | for_each_context(priv, ctx) { |
| 3049 | ctx->staging.filter_flags &= ~filter_nand; |
| 3050 | ctx->staging.filter_flags |= filter_or; |
Stanislaw Gruszka | 749ff4ef | 2010-10-22 17:04:27 +0200 | [diff] [blame] | 3051 | |
| 3052 | /* |
| 3053 | * Not committing directly because hardware can perform a scan, |
| 3054 | * but we'll eventually commit the filter flags change anyway. |
| 3055 | */ |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 3056 | } |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3057 | |
| 3058 | mutex_unlock(&priv->mutex); |
| 3059 | |
| 3060 | /* |
| 3061 | * Receiving all multicast frames is always enabled by the |
| 3062 | * default flags setup in iwl_connection_init_rx_config() |
| 3063 | * since we currently do not support programming multicast |
| 3064 | * filters into the device. |
| 3065 | */ |
| 3066 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | |
| 3067 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; |
| 3068 | } |
| 3069 | |
Johannes Berg | 2dedbf5 | 2011-04-05 09:41:50 -0700 | [diff] [blame] | 3070 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 3071 | { |
| 3072 | struct iwl_priv *priv = hw->priv; |
| 3073 | |
| 3074 | mutex_lock(&priv->mutex); |
| 3075 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
| 3076 | |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 3077 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { |
| 3078 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
| 3079 | goto done; |
| 3080 | } |
| 3081 | if (iwl_is_rfkill(priv)) { |
| 3082 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
| 3083 | goto done; |
| 3084 | } |
| 3085 | |
| 3086 | /* |
| 3087 | * mac80211 will not push any more frames for transmit |
| 3088 | * until the flush is completed |
| 3089 | */ |
| 3090 | if (drop) { |
| 3091 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); |
Wey-Yi Guy | c68744f | 2011-06-18 08:03:18 -0700 | [diff] [blame] | 3092 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
Wey-Yi Guy | 716c74b | 2010-06-24 13:22:36 -0700 | [diff] [blame] | 3093 | IWL_ERR(priv, "flush request fail\n"); |
| 3094 | goto done; |
| 3095 | } |
| 3096 | } |
| 3097 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); |
| 3098 | iwlagn_wait_tx_queue_empty(priv); |
| 3099 | done: |
| 3100 | mutex_unlock(&priv->mutex); |
| 3101 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
| 3102 | } |
| 3103 | |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3104 | static void iwlagn_disable_roc(struct iwl_priv *priv) |
| 3105 | { |
| 3106 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
| 3107 | struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel); |
| 3108 | |
| 3109 | lockdep_assert_held(&priv->mutex); |
| 3110 | |
| 3111 | if (!ctx->is_active) |
| 3112 | return; |
| 3113 | |
| 3114 | ctx->staging.dev_type = RXON_DEV_TYPE_2STA; |
| 3115 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
| 3116 | iwl_set_rxon_channel(priv, chan, ctx); |
| 3117 | iwl_set_flags_for_band(priv, ctx, chan->band, NULL); |
| 3118 | |
| 3119 | priv->_agn.hw_roc_channel = NULL; |
| 3120 | |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 3121 | iwlagn_commit_rxon(priv, ctx); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3122 | |
| 3123 | ctx->is_active = false; |
| 3124 | } |
| 3125 | |
| 3126 | static void iwlagn_bg_roc_done(struct work_struct *work) |
| 3127 | { |
| 3128 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
| 3129 | _agn.hw_roc_work.work); |
| 3130 | |
| 3131 | mutex_lock(&priv->mutex); |
| 3132 | ieee80211_remain_on_channel_expired(priv->hw); |
| 3133 | iwlagn_disable_roc(priv); |
| 3134 | mutex_unlock(&priv->mutex); |
| 3135 | } |
| 3136 | |
| 3137 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, |
| 3138 | struct ieee80211_channel *channel, |
| 3139 | enum nl80211_channel_type channel_type, |
| 3140 | int duration) |
| 3141 | { |
| 3142 | struct iwl_priv *priv = hw->priv; |
| 3143 | int err = 0; |
| 3144 | |
| 3145 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 3146 | return -EOPNOTSUPP; |
| 3147 | |
| 3148 | if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes & |
| 3149 | BIT(NL80211_IFTYPE_P2P_CLIENT))) |
| 3150 | return -EOPNOTSUPP; |
| 3151 | |
| 3152 | mutex_lock(&priv->mutex); |
| 3153 | |
| 3154 | if (priv->contexts[IWL_RXON_CTX_PAN].is_active || |
| 3155 | test_bit(STATUS_SCAN_HW, &priv->status)) { |
| 3156 | err = -EBUSY; |
| 3157 | goto out; |
| 3158 | } |
| 3159 | |
| 3160 | priv->contexts[IWL_RXON_CTX_PAN].is_active = true; |
| 3161 | priv->_agn.hw_roc_channel = channel; |
| 3162 | priv->_agn.hw_roc_chantype = channel_type; |
| 3163 | priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024); |
Wey-Yi Guy | 805a3b8 | 2011-06-03 07:54:16 -0700 | [diff] [blame] | 3164 | iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3165 | queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work, |
| 3166 | msecs_to_jiffies(duration + 20)); |
| 3167 | |
Johannes Berg | 9407391 | 2011-01-06 08:07:11 -0800 | [diff] [blame] | 3168 | msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */ |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3169 | ieee80211_ready_on_channel(priv->hw); |
| 3170 | |
| 3171 | out: |
| 3172 | mutex_unlock(&priv->mutex); |
| 3173 | |
| 3174 | return err; |
| 3175 | } |
| 3176 | |
| 3177 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) |
| 3178 | { |
| 3179 | struct iwl_priv *priv = hw->priv; |
| 3180 | |
| 3181 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
| 3182 | return -EOPNOTSUPP; |
| 3183 | |
| 3184 | cancel_delayed_work_sync(&priv->_agn.hw_roc_work); |
| 3185 | |
| 3186 | mutex_lock(&priv->mutex); |
| 3187 | iwlagn_disable_roc(priv); |
| 3188 | mutex_unlock(&priv->mutex); |
| 3189 | |
| 3190 | return 0; |
| 3191 | } |
| 3192 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3193 | /***************************************************************************** |
| 3194 | * |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3195 | * driver setup and teardown |
| 3196 | * |
| 3197 | *****************************************************************************/ |
| 3198 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3199 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3200 | { |
Reinette Chatre | d21050c | 2009-02-13 11:51:18 -0800 | [diff] [blame] | 3201 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3202 | |
| 3203 | init_waitqueue_head(&priv->wait_command_queue); |
| 3204 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3205 | INIT_WORK(&priv->restart, iwl_bg_restart); |
| 3206 | INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3207 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
Emmanuel Grumbach | 16e727e | 2008-06-12 09:46:52 +0800 | [diff] [blame] | 3208 | 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] | 3209 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3210 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 3211 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3212 | INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done); |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 3213 | |
Tomas Winkler | 2a421b9 | 2008-06-12 09:47:10 +0800 | [diff] [blame] | 3214 | iwl_setup_scan_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3215 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3216 | if (priv->cfg->ops->lib->setup_deferred_work) |
| 3217 | priv->cfg->ops->lib->setup_deferred_work(priv); |
| 3218 | |
| 3219 | init_timer(&priv->statistics_periodic); |
| 3220 | priv->statistics_periodic.data = (unsigned long)priv; |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3221 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3222 | |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 3223 | init_timer(&priv->ucode_trace); |
| 3224 | priv->ucode_trace.data = (unsigned long)priv; |
| 3225 | priv->ucode_trace.function = iwl_bg_ucode_trace; |
| 3226 | |
Stanislaw Gruszka | 22de94d | 2010-12-03 15:41:48 +0100 | [diff] [blame] | 3227 | init_timer(&priv->watchdog); |
| 3228 | priv->watchdog.data = (unsigned long)priv; |
| 3229 | priv->watchdog.function = iwl_bg_watchdog; |
Wey-Yi Guy | b74e31a | 2010-03-01 17:23:50 -0800 | [diff] [blame] | 3230 | |
Wey-Yi Guy | d6b8061 | 2011-03-21 16:53:38 -0700 | [diff] [blame] | 3231 | tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) |
| 3232 | iwl_irq_tasklet, (unsigned long)priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3233 | } |
| 3234 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3235 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3236 | { |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3237 | if (priv->cfg->ops->lib->cancel_deferred_work) |
| 3238 | priv->cfg->ops->lib->cancel_deferred_work(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3239 | |
Wey-Yi Guy | 815e629 | 2010-06-03 10:14:01 -0700 | [diff] [blame] | 3240 | cancel_work_sync(&priv->run_time_calib_work); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3241 | cancel_work_sync(&priv->beacon_update); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 3242 | |
| 3243 | iwl_cancel_scan_deferred_work(priv); |
| 3244 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3245 | cancel_work_sync(&priv->bt_full_concurrency); |
Wey-Yi Guy | fbba941 | 2010-08-23 07:57:10 -0700 | [diff] [blame] | 3246 | cancel_work_sync(&priv->bt_runtime_config); |
Stanislaw Gruszka | e7e16b9 | 2010-09-13 14:46:41 +0200 | [diff] [blame] | 3247 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3248 | del_timer_sync(&priv->statistics_periodic); |
Wey-Yi Guy | a9e1cb6 | 2009-12-10 14:37:26 -0800 | [diff] [blame] | 3249 | del_timer_sync(&priv->ucode_trace); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3250 | } |
| 3251 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3252 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
| 3253 | struct ieee80211_rate *rates) |
| 3254 | { |
| 3255 | int i; |
| 3256 | |
| 3257 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
| 3258 | rates[i].bitrate = iwl_rates[i].ieee * 5; |
| 3259 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ |
| 3260 | rates[i].hw_value_short = i; |
| 3261 | rates[i].flags = 0; |
| 3262 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { |
| 3263 | /* |
| 3264 | * If CCK != 1M then set short preamble rate flag. |
| 3265 | */ |
| 3266 | rates[i].flags |= |
| 3267 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? |
| 3268 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; |
| 3269 | } |
| 3270 | } |
| 3271 | } |
| 3272 | |
| 3273 | static int iwl_init_drv(struct iwl_priv *priv) |
| 3274 | { |
| 3275 | int ret; |
| 3276 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3277 | spin_lock_init(&priv->sta_lock); |
| 3278 | spin_lock_init(&priv->hcmd_lock); |
| 3279 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3280 | mutex_init(&priv->mutex); |
| 3281 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3282 | priv->ieee_channels = NULL; |
| 3283 | priv->ieee_rates = NULL; |
| 3284 | priv->band = IEEE80211_BAND_2GHZ; |
| 3285 | |
| 3286 | priv->iw_mode = NL80211_IFTYPE_STATION; |
Johannes Berg | ba37a3d | 2009-12-10 14:37:27 -0800 | [diff] [blame] | 3287 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
Wey-Yi Guy | a13d276 | 2010-01-22 14:22:42 -0800 | [diff] [blame] | 3288 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
Wey-Yi Guy | d5a0ffa | 2010-03-04 13:38:59 -0800 | [diff] [blame] | 3289 | priv->_agn.agg_tids_count = 0; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3290 | |
Wey-Yi Guy | 8a472da | 2010-02-18 22:03:06 -0800 | [diff] [blame] | 3291 | /* initialize force reset */ |
| 3292 | priv->force_reset[IWL_RF_RESET].reset_duration = |
| 3293 | IWL_DELAY_NEXT_FORCE_RF_RESET; |
| 3294 | priv->force_reset[IWL_FW_RESET].reset_duration = |
| 3295 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3296 | |
Stanislaw Gruszka | 410f2bb | 2011-03-04 17:51:51 +0100 | [diff] [blame] | 3297 | priv->rx_statistics_jiffies = jiffies; |
| 3298 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3299 | /* Choose which receivers/antennas to use */ |
Wey-Yi Guy | e3f10ce | 2011-07-01 07:59:26 -0700 | [diff] [blame] | 3300 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3301 | |
| 3302 | iwl_init_scan_params(priv); |
| 3303 | |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3304 | /* init bt coex */ |
Wey-Yi Guy | 7cb1b08 | 2010-10-06 08:10:00 -0700 | [diff] [blame] | 3305 | if (priv->cfg->bt_params && |
| 3306 | priv->cfg->bt_params->advanced_bt_coexist) { |
Wey-Yi Guy | b6e116e | 2010-08-23 07:57:14 -0700 | [diff] [blame] | 3307 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
| 3308 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; |
| 3309 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3310 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
| 3311 | priv->bt_duration = BT_DURATION_LIMIT_DEF; |
| 3312 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; |
Wey-Yi Guy | 22bf59a | 2010-08-23 07:57:11 -0700 | [diff] [blame] | 3313 | } |
| 3314 | |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3315 | ret = iwl_init_channel_map(priv); |
| 3316 | if (ret) { |
| 3317 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
| 3318 | goto err; |
| 3319 | } |
| 3320 | |
| 3321 | ret = iwlcore_init_geos(priv); |
| 3322 | if (ret) { |
| 3323 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); |
| 3324 | goto err_free_channel_map; |
| 3325 | } |
| 3326 | iwl_init_hw_rates(priv, priv->ieee_rates); |
| 3327 | |
| 3328 | return 0; |
| 3329 | |
| 3330 | err_free_channel_map: |
| 3331 | iwl_free_channel_map(priv); |
| 3332 | err: |
| 3333 | return ret; |
| 3334 | } |
| 3335 | |
| 3336 | static void iwl_uninit_drv(struct iwl_priv *priv) |
| 3337 | { |
| 3338 | iwl_calib_free_results(priv); |
| 3339 | iwlcore_free_geos(priv); |
| 3340 | iwl_free_channel_map(priv); |
Johannes Berg | 811ecc9 | 2010-04-06 04:12:41 -0700 | [diff] [blame] | 3341 | kfree(priv->scan_cmd); |
Johannes Berg | 4ce7cc2 | 2011-05-13 11:57:40 -0700 | [diff] [blame] | 3342 | kfree(priv->beacon_cmd); |
Reinette Chatre | 89f186a | 2009-10-30 14:36:11 -0700 | [diff] [blame] | 3343 | } |
| 3344 | |
Wey-Yi Guy | 3a3b14c | 2011-07-08 08:46:24 -0700 | [diff] [blame] | 3345 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3346 | enum ieee80211_rssi_event rssi_event) |
| 3347 | { |
| 3348 | struct iwl_priv *priv = hw->priv; |
| 3349 | |
| 3350 | mutex_lock(&priv->mutex); |
| 3351 | |
| 3352 | if (priv->cfg->bt_params && |
| 3353 | priv->cfg->bt_params->advanced_bt_coexist) { |
| 3354 | if (rssi_event == RSSI_EVENT_LOW) |
| 3355 | priv->bt_enable_pspoll = true; |
| 3356 | else if (rssi_event == RSSI_EVENT_HIGH) |
| 3357 | priv->bt_enable_pspoll = false; |
| 3358 | |
| 3359 | iwlagn_send_advance_bt_config(priv); |
| 3360 | } else { |
| 3361 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," |
| 3362 | "ignoring RSSI callback\n"); |
| 3363 | } |
| 3364 | |
| 3365 | mutex_unlock(&priv->mutex); |
| 3366 | } |
| 3367 | |
Johannes Berg | dc21b54 | 2010-10-23 09:15:39 -0700 | [diff] [blame] | 3368 | struct ieee80211_ops iwlagn_hw_ops = { |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3369 | .tx = iwlagn_mac_tx, |
| 3370 | .start = iwlagn_mac_start, |
| 3371 | .stop = iwlagn_mac_stop, |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3372 | .add_interface = iwl_mac_add_interface, |
| 3373 | .remove_interface = iwl_mac_remove_interface, |
Johannes Berg | d4daaea | 2010-10-23 09:15:43 -0700 | [diff] [blame] | 3374 | .change_interface = iwl_mac_change_interface, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3375 | .config = iwlagn_mac_config, |
Johannes Berg | 8b8ab9d | 2010-08-17 11:24:01 +0200 | [diff] [blame] | 3376 | .configure_filter = iwlagn_configure_filter, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3377 | .set_key = iwlagn_mac_set_key, |
| 3378 | .update_tkip_key = iwlagn_mac_update_tkip_key, |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3379 | .conf_tx = iwl_mac_conf_tx, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3380 | .bss_info_changed = iwlagn_bss_info_changed, |
| 3381 | .ampdu_action = iwlagn_mac_ampdu_action, |
Johannes Berg | 6ab10ff | 2009-11-13 11:56:37 -0800 | [diff] [blame] | 3382 | .hw_scan = iwl_mac_hw_scan, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3383 | .sta_notify = iwlagn_mac_sta_notify, |
Reinette Chatre | fe6b23d | 2010-02-22 16:24:47 -0800 | [diff] [blame] | 3384 | .sta_add = iwlagn_mac_sta_add, |
| 3385 | .sta_remove = iwl_mac_sta_remove, |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3386 | .channel_switch = iwlagn_mac_channel_switch, |
| 3387 | .flush = iwlagn_mac_flush, |
Johannes Berg | a85d7cc | 2010-07-31 08:34:10 -0700 | [diff] [blame] | 3388 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
Johannes Berg | 9b9190d | 2011-01-06 08:07:10 -0800 | [diff] [blame] | 3389 | .remain_on_channel = iwl_mac_remain_on_channel, |
| 3390 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, |
Johannes Berg | 266af4c7 | 2011-03-10 20:13:26 -0800 | [diff] [blame] | 3391 | .offchannel_tx = iwl_mac_offchannel_tx, |
| 3392 | .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait, |
Meenakshi Venkataraman | 207ecc5 | 2011-07-08 08:46:23 -0700 | [diff] [blame] | 3393 | .rssi_callback = iwl_mac_rssi_callback, |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 3394 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
Wey-Yi Guy | eb64dca | 2011-05-31 08:03:02 -0700 | [diff] [blame] | 3395 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3396 | }; |
| 3397 | |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3398 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 3399 | { |
Johannes Berg | 02a7fa0 | 2011-04-05 09:42:12 -0700 | [diff] [blame] | 3400 | return iwl_read32(priv, CSR_HW_REV); |
Wey-Yi Guy | 3867fe0 | 2010-07-31 08:34:05 -0700 | [diff] [blame] | 3401 | } |
| 3402 | |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3403 | static int iwl_set_hw_params(struct iwl_priv *priv) |
| 3404 | { |
| 3405 | priv->hw_params.max_rxq_size = RX_QUEUE_SIZE; |
| 3406 | priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG; |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 3407 | if (iwlagn_mod_params.amsdu_size_8K) |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3408 | priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_8K); |
| 3409 | else |
| 3410 | priv->hw_params.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K); |
| 3411 | |
| 3412 | priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; |
| 3413 | |
Don Fry | 9d143e9 | 2011-04-20 15:23:57 -0700 | [diff] [blame] | 3414 | if (iwlagn_mod_params.disable_11n) |
Wey-Yi Guy | 8895075 | 2011-06-06 12:05:46 -0700 | [diff] [blame] | 3415 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
Wey-Yi Guy | 07d4f1a | 2010-07-31 08:34:08 -0700 | [diff] [blame] | 3416 | |
| 3417 | /* Device-specific setup */ |
| 3418 | return priv->cfg->ops->lib->set_hw_params(priv); |
| 3419 | } |
| 3420 | |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3421 | static const u8 iwlagn_bss_ac_to_fifo[] = { |
| 3422 | IWL_TX_FIFO_VO, |
| 3423 | IWL_TX_FIFO_VI, |
| 3424 | IWL_TX_FIFO_BE, |
| 3425 | IWL_TX_FIFO_BK, |
| 3426 | }; |
| 3427 | |
| 3428 | static const u8 iwlagn_bss_ac_to_queue[] = { |
| 3429 | 0, 1, 2, 3, |
| 3430 | }; |
| 3431 | |
| 3432 | static const u8 iwlagn_pan_ac_to_fifo[] = { |
| 3433 | IWL_TX_FIFO_VO_IPAN, |
| 3434 | IWL_TX_FIFO_VI_IPAN, |
| 3435 | IWL_TX_FIFO_BE_IPAN, |
| 3436 | IWL_TX_FIFO_BK_IPAN, |
| 3437 | }; |
| 3438 | |
| 3439 | static const u8 iwlagn_pan_ac_to_queue[] = { |
| 3440 | 7, 6, 5, 4, |
| 3441 | }; |
| 3442 | |
Wey-Yi Guy | 119ea18 | 2011-04-18 09:34:06 -0700 | [diff] [blame] | 3443 | /* This function both allocates and initializes hw and priv. */ |
| 3444 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) |
| 3445 | { |
| 3446 | struct iwl_priv *priv; |
| 3447 | /* mac80211 allocates memory for this device instance, including |
| 3448 | * space for this driver's private structure */ |
| 3449 | struct ieee80211_hw *hw; |
| 3450 | |
| 3451 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); |
| 3452 | if (hw == NULL) { |
| 3453 | pr_err("%s: Can not allocate network device\n", |
| 3454 | cfg->name); |
| 3455 | goto out; |
| 3456 | } |
| 3457 | |
| 3458 | priv = hw->priv; |
| 3459 | priv->hw = hw; |
| 3460 | |
| 3461 | out: |
| 3462 | return hw; |
| 3463 | } |
| 3464 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3465 | static void iwl_init_context(struct iwl_priv *priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3466 | { |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3467 | int i; |
Assaf Krauss | 1d0a082 | 2008-03-14 10:38:48 -0700 | [diff] [blame] | 3468 | |
Johannes Berg | 246ed35 | 2010-08-23 10:46:32 +0200 | [diff] [blame] | 3469 | /* |
| 3470 | * The default context is always valid, |
| 3471 | * more may be discovered when firmware |
| 3472 | * is loaded. |
| 3473 | */ |
| 3474 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
| 3475 | |
| 3476 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) |
| 3477 | priv->contexts[i].ctxid = i; |
| 3478 | |
Johannes Berg | 763cc3b | 2010-09-03 06:32:21 -0700 | [diff] [blame] | 3479 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; |
| 3480 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 3481 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; |
| 3482 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; |
| 3483 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; |
Johannes Berg | 8dfdb9d | 2010-08-23 10:46:38 +0200 | [diff] [blame] | 3484 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; |
Johannes Berg | 2995baf | 2010-08-23 10:46:42 +0200 | [diff] [blame] | 3485 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; |
Johannes Berg | c10afb6 | 2010-08-23 10:46:43 +0200 | [diff] [blame] | 3486 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3487 | priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo; |
| 3488 | 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] | 3489 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
| 3490 | BIT(NL80211_IFTYPE_ADHOC); |
| 3491 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = |
| 3492 | BIT(NL80211_IFTYPE_STATION); |
Johannes Berg | 2295c66 | 2010-10-23 09:15:41 -0700 | [diff] [blame] | 3493 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3494 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; |
| 3495 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; |
| 3496 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3497 | |
| 3498 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3499 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = |
| 3500 | REPLY_WIPAN_RXON_TIMING; |
| 3501 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = |
| 3502 | REPLY_WIPAN_RXON_ASSOC; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3503 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; |
| 3504 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; |
| 3505 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; |
| 3506 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; |
| 3507 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; |
Johannes Berg | e72f368 | 2010-08-23 10:46:51 +0200 | [diff] [blame] | 3508 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo; |
| 3509 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue; |
| 3510 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3511 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
| 3512 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); |
Wey-Yi Guy | f35c0c5 | 2011-01-13 17:09:29 -0800 | [diff] [blame] | 3513 | #ifdef CONFIG_IWL_P2P |
| 3514 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= |
| 3515 | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); |
| 3516 | #endif |
Johannes Berg | d0fe478 | 2010-08-23 10:46:58 +0200 | [diff] [blame] | 3517 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
| 3518 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; |
| 3519 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; |
Johannes Berg | ece9c4e | 2010-08-23 10:46:49 +0200 | [diff] [blame] | 3520 | |
| 3521 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3522 | } |
| 3523 | |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3524 | int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops, |
| 3525 | struct iwl_cfg *cfg) |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3526 | { |
| 3527 | int err = 0; |
| 3528 | struct iwl_priv *priv; |
| 3529 | struct ieee80211_hw *hw; |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3530 | u16 num_mac; |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3531 | u32 hw_rev; |
| 3532 | |
| 3533 | /************************ |
| 3534 | * 1. Allocating HW data |
| 3535 | ************************/ |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3536 | hw = iwl_alloc_all(cfg); |
| 3537 | if (!hw) { |
| 3538 | err = -ENOMEM; |
Emmanuel Grumbach | 807caf2 | 2011-06-09 02:55:55 -0700 | [diff] [blame] | 3539 | goto out; |
| 3540 | } |
| 3541 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3542 | priv = hw->priv; |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3543 | |
| 3544 | priv->bus.priv = priv; |
| 3545 | priv->bus.bus_specific = bus_specific; |
| 3546 | priv->bus.ops = bus_ops; |
Emmanuel Grumbach | 705cd45 | 2011-06-18 08:21:12 -0700 | [diff] [blame] | 3547 | priv->bus.irq = priv->bus.ops->get_irq(&priv->bus); |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3548 | priv->bus.ops->set_drv_data(&priv->bus, priv); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3549 | priv->bus.dev = priv->bus.ops->get_dev(&priv->bus); |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3550 | |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 3551 | iwl_trans_register(&priv->trans); |
| 3552 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3553 | /* At this point both hw and priv are allocated. */ |
Johannes Berg | 8f2d3d2 | 2010-08-23 10:46:37 +0200 | [diff] [blame] | 3554 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3555 | SET_IEEE80211_DEV(hw, priv->bus.dev); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3556 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3557 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
Tomas Winkler | 82b9a12 | 2008-03-04 18:09:30 -0800 | [diff] [blame] | 3558 | priv->cfg = cfg; |
Mohamed Abbas | 40cefda | 2009-05-22 11:01:52 -0700 | [diff] [blame] | 3559 | priv->inta_mask = CSR_INI_SET_MASK; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3560 | |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3561 | /* is antenna coupling more than 35dB ? */ |
| 3562 | priv->bt_ant_couple_ok = |
| 3563 | (iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
| 3564 | true : false; |
| 3565 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3566 | /* enable/disable bt channel inhibition */ |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3567 | priv->bt_ch_announce = iwlagn_bt_ch_announce; |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3568 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
| 3569 | (priv->bt_ch_announce) ? "On" : "Off"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3570 | |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3571 | if (iwl_alloc_traffic_mem(priv)) |
| 3572 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3573 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3574 | |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 3575 | /* 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] | 3576 | * we should init now |
| 3577 | */ |
| 3578 | spin_lock_init(&priv->reg_lock); |
Reinette Chatre | 731a29b | 2009-12-14 14:12:11 -0800 | [diff] [blame] | 3579 | spin_lock_init(&priv->lock); |
Reinette Chatre | 4843b5a | 2010-02-03 09:38:59 -0800 | [diff] [blame] | 3580 | |
| 3581 | /* |
| 3582 | * stop and reset the on-board processor just in case it is in a |
| 3583 | * strange state ... like being left stranded by a primary kernel |
| 3584 | * and this is now the kdump kernel trying to start up |
| 3585 | */ |
| 3586 | iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); |
| 3587 | |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3588 | /*********************** |
| 3589 | * 3. Read REV register |
| 3590 | ***********************/ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3591 | hw_rev = iwl_hw_detect(priv); |
Shanyu Zhao | c11362c | 2010-03-05 17:05:20 -0800 | [diff] [blame] | 3592 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3593 | priv->cfg->name, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3594 | |
Johannes Berg | 4cd2bf7 | 2011-04-13 03:14:52 -0700 | [diff] [blame] | 3595 | if (iwl_prepare_card_hw(priv)) { |
Emmanuel Grumbach | bcd4fe2 | 2011-06-09 02:55:54 -0700 | [diff] [blame] | 3596 | err = -EIO; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3597 | IWL_WARN(priv, "Failed, HW not ready\n"); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3598 | goto out_free_traffic_mem; |
Mohamed Abbas | 086ed11 | 2009-05-22 11:01:54 -0700 | [diff] [blame] | 3599 | } |
| 3600 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3601 | /***************** |
| 3602 | * 4. Read EEPROM |
| 3603 | *****************/ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3604 | /* Read the EEPROM */ |
Johannes Berg | e98a130 | 2011-04-05 09:42:08 -0700 | [diff] [blame] | 3605 | err = iwl_eeprom_init(priv, hw_rev); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3606 | if (err) { |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3607 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3608 | goto out_free_traffic_mem; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3609 | } |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3610 | err = iwl_eeprom_check_version(priv); |
| 3611 | if (err) |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 3612 | goto out_free_eeprom; |
Tomas Winkler | 8614f36 | 2008-04-23 17:14:55 -0700 | [diff] [blame] | 3613 | |
Wey-Yi Guy | 21a5b3c | 2010-11-10 13:32:59 -0800 | [diff] [blame] | 3614 | err = iwl_eeprom_check_sku(priv); |
| 3615 | if (err) |
| 3616 | goto out_free_eeprom; |
| 3617 | |
Ron Rindjunsky | 0288301 | 2008-05-15 13:53:53 +0800 | [diff] [blame] | 3618 | /* extract MAC Address */ |
Wey-Yi Guy | c6fa17e | 2010-07-15 05:58:30 -0700 | [diff] [blame] | 3619 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
| 3620 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
| 3621 | priv->hw->wiphy->addresses = priv->addresses; |
| 3622 | priv->hw->wiphy->n_addresses = 1; |
| 3623 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
| 3624 | if (num_mac > 1) { |
| 3625 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, |
| 3626 | ETH_ALEN); |
| 3627 | priv->addresses[1].addr[5]++; |
| 3628 | priv->hw->wiphy->n_addresses++; |
| 3629 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3630 | |
Wey-Yi Guy | b2ea345 | 2011-06-07 08:53:14 -0700 | [diff] [blame] | 3631 | /* initialize all valid contexts */ |
| 3632 | iwl_init_context(priv); |
| 3633 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3634 | /************************ |
| 3635 | * 5. Setup HW constants |
| 3636 | ************************/ |
Ron Rindjunsky | da154e30 | 2008-06-30 17:23:20 +0800 | [diff] [blame] | 3637 | if (iwl_set_hw_params(priv)) { |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3638 | err = -ENOENT; |
Winkler, Tomas | 15b1687 | 2008-12-19 10:37:33 +0800 | [diff] [blame] | 3639 | IWL_ERR(priv, "failed to set hw parameters\n"); |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3640 | goto out_free_eeprom; |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3641 | } |
| 3642 | |
| 3643 | /******************* |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3644 | * 6. Setup priv |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3645 | *******************/ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3646 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3647 | err = iwl_init_drv(priv); |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3648 | if (err) |
Ron Rindjunsky | 399f490 | 2008-04-23 17:14:56 -0700 | [diff] [blame] | 3649 | goto out_free_eeprom; |
Assaf Krauss | bf85ea4 | 2008-03-14 10:38:49 -0700 | [diff] [blame] | 3650 | /* At this point both hw and priv are initialized. */ |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3651 | |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3652 | /******************** |
Abhijeet Kolekar | 09f9bf7 | 2009-04-20 14:37:03 -0700 | [diff] [blame] | 3653 | * 7. Setup services |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3654 | ********************/ |
Johannes Berg | 519d8ab | 2011-04-05 09:42:11 -0700 | [diff] [blame] | 3655 | iwl_alloc_isr_ict(priv); |
Wey-Yi Guy | e39fdee | 2010-11-10 09:56:40 -0800 | [diff] [blame] | 3656 | |
Emmanuel Grumbach | 705cd45 | 2011-06-18 08:21:12 -0700 | [diff] [blame] | 3657 | err = request_irq(priv->bus.irq, iwl_isr_ict, IRQF_SHARED, |
| 3658 | DRV_NAME, priv); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3659 | if (err) { |
Emmanuel Grumbach | 705cd45 | 2011-06-18 08:21:12 -0700 | [diff] [blame] | 3660 | IWL_ERR(priv, "Error allocating IRQ %d\n", priv->bus.irq); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3661 | goto out_uninit_drv; |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3662 | } |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3663 | |
Emmanuel Grumbach | 4e39317 | 2008-06-12 09:46:53 +0800 | [diff] [blame] | 3664 | iwl_setup_deferred_work(priv); |
Emmanuel Grumbach | 653fa4a | 2008-06-30 17:23:11 +0800 | [diff] [blame] | 3665 | iwl_setup_rx_handlers(priv); |
Cindy H. Kao | 4613e72 | 2011-05-06 10:40:15 -0700 | [diff] [blame] | 3666 | iwl_testmode_init(priv); |
Assaf Krauss | 316c30d | 2008-03-14 10:38:46 -0700 | [diff] [blame] | 3667 | |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3668 | /********************************************* |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3669 | * 8. Enable interrupts |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3670 | *********************************************/ |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3671 | |
Stanislaw Gruszka | 554d1d0 | 2010-12-23 12:38:21 +0100 | [diff] [blame] | 3672 | iwl_enable_rfkill_int(priv); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3673 | |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3674 | /* If platform's RF_KILL switch is NOT set to KILL */ |
| 3675 | if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) |
| 3676 | clear_bit(STATUS_RF_KILL_HW, &priv->status); |
| 3677 | else |
| 3678 | set_bit(STATUS_RF_KILL_HW, &priv->status); |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3679 | |
Johannes Berg | a60e77e | 2009-06-04 18:26:06 +0200 | [diff] [blame] | 3680 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
| 3681 | test_bit(STATUS_RF_KILL_HW, &priv->status)); |
Helmut Schaa | 6cd0b1c | 2009-01-19 13:10:07 +0100 | [diff] [blame] | 3682 | |
Emmanuel Grumbach | 58d0f36 | 2008-06-12 09:47:19 +0800 | [diff] [blame] | 3683 | iwl_power_initialize(priv); |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3684 | iwl_tt_initialize(priv); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3685 | |
Reinette Chatre | a15707d | 2010-05-10 15:08:11 -0700 | [diff] [blame] | 3686 | init_completion(&priv->_agn.firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3687 | |
Johannes Berg | b08dfd0 | 2010-01-29 11:54:56 -0800 | [diff] [blame] | 3688 | err = iwl_request_firmware(priv, true); |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3689 | if (err) |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 3690 | goto out_destroy_workqueue; |
Johannes Berg | 158bea0 | 2010-01-22 14:22:53 -0800 | [diff] [blame] | 3691 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3692 | return 0; |
| 3693 | |
Emmanuel Grumbach | 7d47618 | 2010-05-23 00:14:08 -0700 | [diff] [blame] | 3694 | out_destroy_workqueue: |
Reinette Chatre | c8f1613 | 2009-02-27 16:21:22 -0800 | [diff] [blame] | 3695 | destroy_workqueue(priv->workqueue); |
| 3696 | priv->workqueue = NULL; |
Emmanuel Grumbach | 705cd45 | 2011-06-18 08:21:12 -0700 | [diff] [blame] | 3697 | free_irq(priv->bus.irq, priv); |
Emmanuel Grumbach | 93cce6f | 2011-05-27 08:40:29 -0700 | [diff] [blame] | 3698 | iwl_free_isr_ict(priv); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3699 | out_uninit_drv: |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3700 | iwl_uninit_drv(priv); |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3701 | out_free_eeprom: |
| 3702 | iwl_eeprom_free(priv); |
Emmanuel Grumbach | 084dd791 | 2011-05-31 09:07:00 +0300 | [diff] [blame] | 3703 | out_free_traffic_mem: |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3704 | iwl_free_traffic_mem(priv); |
Wey-Yi Guy | d7c76f4 | 2009-10-09 13:20:17 -0700 | [diff] [blame] | 3705 | ieee80211_free_hw(priv->hw); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3706 | out: |
| 3707 | return err; |
| 3708 | } |
| 3709 | |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3710 | void __devexit iwl_remove(struct iwl_priv * priv) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3711 | { |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3712 | unsigned long flags; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3713 | |
Reinette Chatre | a15707d | 2010-05-10 15:08:11 -0700 | [diff] [blame] | 3714 | wait_for_completion(&priv->_agn.firmware_loading_complete); |
Johannes Berg | 562db53 | 2010-04-29 07:41:53 -0700 | [diff] [blame] | 3715 | |
Tomas Winkler | e162344 | 2009-01-27 14:27:56 -0800 | [diff] [blame] | 3716 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3717 | |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3718 | iwl_dbgfs_unregister(priv); |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3719 | sysfs_remove_group(&priv->bus.dev->kobj, |
| 3720 | &iwl_attribute_group); |
Emmanuel Grumbach | 6724962 | 2008-05-29 16:35:26 +0800 | [diff] [blame] | 3721 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3722 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
| 3723 | * to be called and iwl_down since we are removing the device |
Gregory Greenman | 0b124c3 | 2008-09-03 11:18:50 +0800 | [diff] [blame] | 3724 | * we need to set STATUS_EXIT_PENDING bit. |
| 3725 | */ |
| 3726 | set_bit(STATUS_EXIT_PENDING, &priv->status); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3727 | |
Wey-Yi Guy | 7a4e528 | 2011-05-06 10:21:28 -0700 | [diff] [blame] | 3728 | iwl_testmode_cleanup(priv); |
Wey-Yi Guy | 5ed540a | 2011-01-21 15:26:39 -0800 | [diff] [blame] | 3729 | iwl_leds_exit(priv); |
| 3730 | |
Ron Rindjunsky | c4f5523 | 2008-03-28 16:21:10 -0700 | [diff] [blame] | 3731 | if (priv->mac80211_registered) { |
| 3732 | ieee80211_unregister_hw(priv->hw); |
| 3733 | priv->mac80211_registered = 0; |
| 3734 | } |
| 3735 | |
Johannes Berg | 1a10f43 | 2011-04-13 03:14:44 -0700 | [diff] [blame] | 3736 | /* Reset to low power before unloading driver. */ |
Johannes Berg | 14e8e4a | 2010-09-22 18:02:10 +0200 | [diff] [blame] | 3737 | iwl_apm_stop(priv); |
Ben Cahill | c166b25 | 2009-10-23 13:42:35 -0700 | [diff] [blame] | 3738 | |
Wey-Yi Guy | 39b73fb1 | 2009-07-24 11:13:02 -0700 | [diff] [blame] | 3739 | iwl_tt_exit(priv); |
| 3740 | |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3741 | /* make sure we flush any pending irq or |
| 3742 | * tasklet for the driver |
| 3743 | */ |
| 3744 | spin_lock_irqsave(&priv->lock, flags); |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3745 | iwl_disable_interrupts(priv); |
Mohamed Abbas | 0359fac | 2008-03-28 16:21:08 -0700 | [diff] [blame] | 3746 | spin_unlock_irqrestore(&priv->lock, flags); |
| 3747 | |
| 3748 | iwl_synchronize_irq(priv); |
| 3749 | |
Emmanuel Grumbach | 3599d39 | 2011-05-31 08:52:10 +0300 | [diff] [blame] | 3750 | iwl_dealloc_ucode(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3751 | |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 3752 | trans_rx_free(priv); |
| 3753 | trans_tx_free(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3754 | |
Tomas Winkler | 073d3f5 | 2008-04-21 15:41:52 -0700 | [diff] [blame] | 3755 | iwl_eeprom_free(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3756 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3757 | |
Mohamed Abbas | 948c171 | 2007-10-25 17:15:45 +0800 | [diff] [blame] | 3758 | /*netif_stop_queue(dev); */ |
| 3759 | flush_workqueue(priv->workqueue); |
| 3760 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3761 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3762 | * priv->workqueue... so we can't take down the workqueue |
| 3763 | * until now... */ |
| 3764 | destroy_workqueue(priv->workqueue); |
| 3765 | priv->workqueue = NULL; |
Wey-Yi Guy | 20594eb | 2009-08-07 15:41:39 -0700 | [diff] [blame] | 3766 | iwl_free_traffic_mem(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3767 | |
Emmanuel Grumbach | 705cd45 | 2011-06-18 08:21:12 -0700 | [diff] [blame] | 3768 | free_irq(priv->bus.irq, priv); |
Emmanuel Grumbach | a48709c | 2011-05-31 08:22:30 +0300 | [diff] [blame] | 3769 | priv->bus.ops->set_drv_data(&priv->bus, NULL); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3770 | |
Tomas Winkler | 6ba8795 | 2008-05-15 13:54:17 +0800 | [diff] [blame] | 3771 | iwl_uninit_drv(priv); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3772 | |
Johannes Berg | 519d8ab | 2011-04-05 09:42:11 -0700 | [diff] [blame] | 3773 | iwl_free_isr_ict(priv); |
Mohamed Abbas | ef850d7 | 2009-05-22 11:01:50 -0700 | [diff] [blame] | 3774 | |
Johannes Berg | 7783454 | 2010-10-04 05:50:36 -0700 | [diff] [blame] | 3775 | dev_kfree_skb(priv->beacon_skb); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3776 | |
| 3777 | ieee80211_free_hw(priv->hw); |
| 3778 | } |
| 3779 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3780 | |
| 3781 | /***************************************************************************** |
| 3782 | * |
| 3783 | * driver and module entry point |
| 3784 | * |
| 3785 | *****************************************************************************/ |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3786 | static int __init iwl_init(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3787 | { |
| 3788 | |
| 3789 | int ret; |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3790 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 3791 | pr_info(DRV_COPYRIGHT "\n"); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3792 | |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3793 | ret = iwlagn_rate_control_register(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3794 | if (ret) { |
Joe Perches | c96c31e | 2010-07-26 14:39:58 -0700 | [diff] [blame] | 3795 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3796 | return ret; |
| 3797 | } |
| 3798 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3799 | ret = iwl_pci_register_driver(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3800 | |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3801 | if (ret) |
| 3802 | goto error_register; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3803 | return ret; |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3804 | |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3805 | error_register: |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3806 | iwlagn_rate_control_unregister(); |
Reinette Chatre | 897e1cf | 2008-03-28 16:21:09 -0700 | [diff] [blame] | 3807 | return ret; |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3808 | } |
| 3809 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3810 | static void __exit iwl_exit(void) |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3811 | { |
Emmanuel Grumbach | 48d1a21 | 2011-05-24 11:39:02 +0300 | [diff] [blame] | 3812 | iwl_pci_unregister_driver(); |
Tomas Winkler | e227cea | 2008-07-18 13:53:05 +0800 | [diff] [blame] | 3813 | iwlagn_rate_control_unregister(); |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 3814 | } |
| 3815 | |
Emmanuel Grumbach | 5b9f8cd | 2008-10-29 14:05:46 -0700 | [diff] [blame] | 3816 | module_exit(iwl_exit); |
| 3817 | module_init(iwl_init); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3818 | |
| 3819 | #ifdef CONFIG_IWLWIFI_DEBUG |
Wey-Yi Guy | 4e30cb6 | 2009-09-17 10:43:47 -0700 | [diff] [blame] | 3820 | module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR); |
Reinette Chatre | a562a9d | 2009-07-17 09:30:24 -0700 | [diff] [blame] | 3821 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 3822 | #endif |
| 3823 | |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3824 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
| 3825 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3826 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
| 3827 | MODULE_PARM_DESC(queues_num, "number of hw queues."); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3828 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
| 3829 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3830 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
| 3831 | int, S_IRUGO); |
| 3832 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); |
Wey-Yi Guy | 2b06861 | 2010-03-22 09:17:39 -0700 | [diff] [blame] | 3833 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
| 3834 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); |
Johannes Berg | dd7a250 | 2010-04-28 23:33:10 -0700 | [diff] [blame] | 3835 | |
| 3836 | module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int, |
| 3837 | S_IRUGO); |
| 3838 | MODULE_PARM_DESC(ucode_alternative, |
| 3839 | "specify ucode alternative to use from ucode file"); |
Wey-Yi Guy | bee008b | 2010-08-23 07:57:04 -0700 | [diff] [blame] | 3840 | |
| 3841 | module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO); |
| 3842 | MODULE_PARM_DESC(antenna_coupling, |
| 3843 | "specify antenna coupling in dB (defualt: 0 dB)"); |
Wey-Yi Guy | f37837c | 2010-08-23 07:57:12 -0700 | [diff] [blame] | 3844 | |
Wey-Yi Guy | 9f28ebc | 2010-11-26 13:24:19 -0800 | [diff] [blame] | 3845 | module_param_named(bt_ch_inhibition, iwlagn_bt_ch_announce, bool, S_IRUGO); |
| 3846 | MODULE_PARM_DESC(bt_ch_inhibition, |
| 3847 | "Disable BT channel inhibition (default: enable)"); |
Stanislaw Gruszka | b7977ff | 2011-02-28 14:33:15 +0100 | [diff] [blame] | 3848 | |
| 3849 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); |
| 3850 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); |
| 3851 | |
| 3852 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); |
| 3853 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3854 | |
Wey-Yi Guy | 300d083 | 2011-06-25 09:17:41 -0700 | [diff] [blame] | 3855 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
| 3856 | MODULE_PARM_DESC(wd_disable, |
| 3857 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); |
| 3858 | |
Wey-Yi Guy | b60eec9 | 2011-06-03 13:52:38 -0700 | [diff] [blame] | 3859 | /* |
| 3860 | * set bt_coex_active to true, uCode will do kill/defer |
| 3861 | * every time the priority line is asserted (BT is sending signals on the |
| 3862 | * priority line in the PCIx). |
| 3863 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 3864 | * perform the normal operation |
| 3865 | * |
| 3866 | * User might experience transmit issue on some platform due to WiFi/BT |
| 3867 | * co-exist problem. The possible behaviors are: |
| 3868 | * Able to scan and finding all the available AP |
| 3869 | * Not able to associate with any AP |
| 3870 | * On those platforms, WiFi communication can be restored by set |
| 3871 | * "bt_coex_active" module parameter to "false" |
| 3872 | * |
| 3873 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 3874 | */ |
| 3875 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, |
| 3876 | bool, S_IRUGO); |
| 3877 | 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] | 3878 | |
| 3879 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); |
| 3880 | MODULE_PARM_DESC(led_mode, "0=system default, " |
| 3881 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3882 | |
Wey-Yi Guy | 0172b02 | 2011-06-11 10:00:05 -0700 | [diff] [blame] | 3883 | module_param_named(power_save, iwlagn_mod_params.power_save, |
| 3884 | bool, S_IRUGO); |
| 3885 | MODULE_PARM_DESC(power_save, |
| 3886 | "enable WiFi power management (default: disable)"); |
| 3887 | |
Wey-Yi Guy | f753816 | 2011-06-11 10:00:06 -0700 | [diff] [blame] | 3888 | module_param_named(power_level, iwlagn_mod_params.power_level, |
| 3889 | int, S_IRUGO); |
| 3890 | MODULE_PARM_DESC(power_level, |
| 3891 | "default power save level (range from 1 - 5, default: 1)"); |
| 3892 | |
Wey-Yi Guy | 3f1e5f4 | 2011-06-03 13:52:40 -0700 | [diff] [blame] | 3893 | /* |
| 3894 | * For now, keep using power level 1 instead of automatically |
| 3895 | * adjusting ... |
| 3896 | */ |
| 3897 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, |
| 3898 | bool, S_IRUGO); |
| 3899 | MODULE_PARM_DESC(no_sleep_autoadjust, |
| 3900 | "don't automatically adjust sleep level " |
| 3901 | "according to maximum network latency (default: true)"); |