blob: 9daa4d970d02b0b58ea89ed9498f290740332807 [file] [log] [blame]
Zhu Yib481de92007-09-25 17:54:57 -07001/******************************************************************************
2 *
Wey-Yi Guy901069c2011-04-05 09:42:00 -07003 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
Zhu Yib481de92007-09-25 17:54:57 -07004 *
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, Tomas759ef892008-12-09 11:28:58 -080025 * Intel Linux Wireless <ilw@linux.intel.com>
Zhu Yib481de92007-09-25 17:54:57 -070026 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *
28 *****************************************************************************/
Zhu Yib481de92007-09-25 17:54:57 -070029#include <linux/kernel.h>
30#include <linux/module.h>
Zhu Yib481de92007-09-25 17:54:57 -070031#include <linux/init.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090032#include <linux/slab.h>
Zhu Yib481de92007-09-25 17:54:57 -070033#include <linux/delay.h>
Alexey Dobriyand43c36d2009-10-07 17:09:06 +040034#include <linux/sched.h>
Zhu Yib481de92007-09-25 17:54:57 -070035#include <linux/skbuff.h>
36#include <linux/netdevice.h>
Zhu Yib481de92007-09-25 17:54:57 -070037#include <linux/firmware.h>
Zhu Yib481de92007-09-25 17:54:57 -070038#include <linux/etherdevice.h>
39#include <linux/if_arp.h>
40
Zhu Yib481de92007-09-25 17:54:57 -070041#include <net/mac80211.h>
42
43#include <asm/div64.h>
44
Assaf Krauss6bc913b2008-03-11 16:17:18 -070045#include "iwl-eeprom.h"
Don Fry69a679b2011-12-07 08:50:46 -080046#include "iwl-wifi.h"
Tomas Winkler3e0d4cb2008-04-24 11:55:38 -070047#include "iwl-dev.h"
Tomas Winklerfee12472008-04-03 16:05:21 -070048#include "iwl-core.h"
Tomas Winkler3395f6e2008-03-25 16:33:37 -070049#include "iwl-io.h"
Johannes Berg0de76732010-09-22 18:02:11 +020050#include "iwl-agn-calib.h"
Johannes Berga1175122010-01-21 06:21:10 -080051#include "iwl-agn.h"
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -070052#include "iwl-shared.h"
Emmanuel Grumbachd5934112011-07-11 10:48:51 +030053#include "iwl-bus.h"
Emmanuel Grumbachc85eb612011-06-14 10:13:24 +030054#include "iwl-trans.h"
Christoph Hellwig416e1432007-10-25 17:15:49 +080055
Zhu Yib481de92007-09-25 17:54:57 -070056/******************************************************************************
57 *
58 * module boiler plate
59 *
60 ******************************************************************************/
61
Zhu Yib481de92007-09-25 17:54:57 -070062/*
63 * module name, copyright, version, etc.
Zhu Yib481de92007-09-25 17:54:57 -070064 */
Tomas Winklerd783b062008-07-18 13:53:02 +080065#define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
Zhu Yib481de92007-09-25 17:54:57 -070066
Tomas Winkler0a6857e2008-03-12 16:58:49 -070067#ifdef CONFIG_IWLWIFI_DEBUG
Zhu Yib481de92007-09-25 17:54:57 -070068#define VD "d"
69#else
70#define VD
71#endif
72
Reinette Chatre81963d62010-01-22 14:22:57 -080073#define DRV_VERSION IWLWIFI_VERSION VD
Zhu Yib481de92007-09-25 17:54:57 -070074
Zhu Yib481de92007-09-25 17:54:57 -070075
76MODULE_DESCRIPTION(DRV_DESCRIPTION);
77MODULE_VERSION(DRV_VERSION);
Tomas Winklera7b75202008-12-11 10:33:41 -080078MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
Zhu Yib481de92007-09-25 17:54:57 -070079MODULE_LICENSE("GPL");
Don Fry3c607d22011-09-30 11:40:20 -070080MODULE_ALIAS("iwlagn");
Zhu Yib481de92007-09-25 17:54:57 -070081
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -070082void iwl_update_chain_flags(struct iwl_priv *priv)
Mohamed Abbas5da4b552008-04-21 15:41:51 -070083{
Johannes Berg246ed352010-08-23 10:46:32 +020084 struct iwl_rxon_context *ctx;
Mohamed Abbas5da4b552008-04-21 15:41:51 -070085
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -070086 for_each_context(priv, ctx) {
87 iwlagn_set_rxon_chain(priv, ctx);
88 if (ctx->active.rx_chain != ctx->staging.rx_chain)
89 iwlagn_commit_rxon(priv, ctx);
Johannes Berg246ed352010-08-23 10:46:32 +020090 }
Mohamed Abbas5da4b552008-04-21 15:41:51 -070091}
92
Daniel C Halperin47ff65c2009-11-13 11:56:33 -080093/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
94static void iwl_set_beacon_tim(struct iwl_priv *priv,
Johannes Berg77834542010-10-04 05:50:36 -070095 struct iwl_tx_beacon_cmd *tx_beacon_cmd,
96 u8 *beacon, u32 frame_size)
Daniel C Halperin47ff65c2009-11-13 11:56:33 -080097{
98 u16 tim_idx;
99 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
100
101 /*
102 * The index is relative to frame start but we start looking at the
103 * variable-length part of the beacon.
104 */
105 tim_idx = mgmt->u.beacon.variable - beacon;
106
107 /* Parse variable-length elements of beacon to find WLAN_EID_TIM */
108 while ((tim_idx < (frame_size - 2)) &&
109 (beacon[tim_idx] != WLAN_EID_TIM))
110 tim_idx += beacon[tim_idx+1] + 2;
111
112 /* If TIM field was found, set variables */
113 if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
114 tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
115 tx_beacon_cmd->tim_size = beacon[tim_idx+1];
116 } else
117 IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
118}
119
Johannes Berg8a98d492011-04-29 09:48:14 -0700120int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800121{
122 struct iwl_tx_beacon_cmd *tx_beacon_cmd;
Johannes Berg8a98d492011-04-29 09:48:14 -0700123 struct iwl_host_cmd cmd = {
124 .id = REPLY_TX_BEACON,
Emmanuel Grumbache419d622011-07-08 08:46:14 -0700125 .flags = CMD_SYNC,
Johannes Berg8a98d492011-04-29 09:48:14 -0700126 };
Johannes Berg0b5b3ff2011-06-22 06:33:43 -0700127 struct ieee80211_tx_info *info;
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800128 u32 frame_size;
129 u32 rate_flags;
130 u32 rate;
Johannes Berg8a98d492011-04-29 09:48:14 -0700131
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800132 /*
133 * We have to set up the TX command, the TX Beacon command, and the
134 * beacon contents.
135 */
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800136
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -0700137 lockdep_assert_held(&priv->shrd->mutex);
Johannes Berg76d04812010-08-23 10:46:47 +0200138
139 if (!priv->beacon_ctx) {
140 IWL_ERR(priv, "trying to build beacon w/o beacon context!\n");
Julia Lawall950094c2010-09-05 21:00:26 +0200141 return 0;
Johannes Berg76d04812010-08-23 10:46:47 +0200142 }
143
Johannes Berg8a98d492011-04-29 09:48:14 -0700144 if (WARN_ON(!priv->beacon_skb))
145 return -EINVAL;
146
Johannes Berg4ce7cc22011-05-13 11:57:40 -0700147 /* Allocate beacon command */
148 if (!priv->beacon_cmd)
149 priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL);
150 tx_beacon_cmd = priv->beacon_cmd;
Johannes Berg8a98d492011-04-29 09:48:14 -0700151 if (!tx_beacon_cmd)
152 return -ENOMEM;
153
154 frame_size = priv->beacon_skb->len;
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800155
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800156 /* Set up TX command fields */
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800157 tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
Johannes Berg76d04812010-08-23 10:46:47 +0200158 tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id;
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800159 tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800160 tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800161 TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
162
163 /* Set up TX beacon command fields */
Johannes Berg4ce7cc22011-05-13 11:57:40 -0700164 iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data,
Johannes Berg77834542010-10-04 05:50:36 -0700165 frame_size);
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800166
167 /* Set up packet rate and flags */
Johannes Berg0b5b3ff2011-06-22 06:33:43 -0700168 info = IEEE80211_SKB_CB(priv->beacon_skb);
169
170 /*
171 * Let's set up the rate at least somewhat correctly;
172 * it will currently not actually be used by the uCode,
173 * it uses the broadcast station's rate instead.
174 */
175 if (info->control.rates[0].idx < 0 ||
176 info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
177 rate = 0;
178 else
179 rate = info->control.rates[0].idx;
180
Johannes Berg0e1654f2010-05-18 02:48:36 -0700181 priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700182 hw_params(priv).valid_tx_ant);
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800183 rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
Johannes Berg0b5b3ff2011-06-22 06:33:43 -0700184
185 /* In mac80211, rates for 5 GHz start at 0 */
186 if (info->band == IEEE80211_BAND_5GHZ)
187 rate += IWL_FIRST_OFDM_RATE;
188 else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE)
Daniel C Halperin47ff65c2009-11-13 11:56:33 -0800189 rate_flags |= RATE_MCS_CCK_MSK;
Johannes Berg0b5b3ff2011-06-22 06:33:43 -0700190
191 tx_beacon_cmd->tx.rate_n_flags =
192 iwl_hw_set_rate_n_flags(rate, rate_flags);
Tomas Winkler4bf64ef2008-07-18 13:53:03 +0800193
Johannes Berg8a98d492011-04-29 09:48:14 -0700194 /* Submit command */
Johannes Berg4ce7cc22011-05-13 11:57:40 -0700195 cmd.len[0] = sizeof(*tx_beacon_cmd);
Johannes Berg3fa50732011-05-04 07:50:38 -0700196 cmd.data[0] = tx_beacon_cmd;
Johannes Berg4ce7cc22011-05-13 11:57:40 -0700197 cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
198 cmd.len[1] = frame_size;
199 cmd.data[1] = priv->beacon_skb->data;
200 cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
Johannes Berg2295c662010-10-23 09:15:41 -0700201
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -0700202 return iwl_trans_send_cmd(trans(priv), &cmd);
Samuel Ortiza8e74e272009-01-23 13:45:14 -0800203}
204
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -0700205static void iwl_bg_beacon_update(struct work_struct *work)
Zhu Yib481de92007-09-25 17:54:57 -0700206{
Tomas Winklerc79dd5b2008-03-12 16:58:50 -0700207 struct iwl_priv *priv =
208 container_of(work, struct iwl_priv, beacon_update);
Zhu Yib481de92007-09-25 17:54:57 -0700209 struct sk_buff *beacon;
210
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -0700211 mutex_lock(&priv->shrd->mutex);
Johannes Berg76d04812010-08-23 10:46:47 +0200212 if (!priv->beacon_ctx) {
213 IWL_ERR(priv, "updating beacon w/o beacon context!\n");
214 goto out;
Zhu Yib481de92007-09-25 17:54:57 -0700215 }
216
Johannes Berg60744f62010-08-23 10:46:50 +0200217 if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) {
218 /*
219 * The ucode will send beacon notifications even in
220 * IBSS mode, but we don't want to process them. But
221 * we need to defer the type check to here due to
222 * requiring locking around the beacon_ctx access.
223 */
224 goto out;
225 }
226
Johannes Berg76d04812010-08-23 10:46:47 +0200227 /* Pull updated AP beacon from mac80211. will fail if not in AP mode */
228 beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif);
229 if (!beacon) {
Johannes Berg77834542010-10-04 05:50:36 -0700230 IWL_ERR(priv, "update beacon failed -- keeping old\n");
Johannes Berg76d04812010-08-23 10:46:47 +0200231 goto out;
232 }
233
Zhu Yib481de92007-09-25 17:54:57 -0700234 /* new beacon skb is allocated every time; dispose previous.*/
Johannes Berg77834542010-10-04 05:50:36 -0700235 dev_kfree_skb(priv->beacon_skb);
Zhu Yib481de92007-09-25 17:54:57 -0700236
Johannes Berg12e934d2010-10-04 05:50:06 -0700237 priv->beacon_skb = beacon;
Zhu Yib481de92007-09-25 17:54:57 -0700238
Johannes Berg2295c662010-10-23 09:15:41 -0700239 iwlagn_send_beacon_cmd(priv);
Johannes Berg76d04812010-08-23 10:46:47 +0200240 out:
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -0700241 mutex_unlock(&priv->shrd->mutex);
Zhu Yib481de92007-09-25 17:54:57 -0700242}
243
Wey-Yi Guyfbba9412010-08-23 07:57:10 -0700244static void iwl_bg_bt_runtime_config(struct work_struct *work)
245{
246 struct iwl_priv *priv =
247 container_of(work, struct iwl_priv, bt_runtime_config);
248
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700249 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Wey-Yi Guyfbba9412010-08-23 07:57:10 -0700250 return;
251
252 /* dont send host command if rf-kill is on */
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -0700253 if (!iwl_is_ready_rf(priv->shrd))
Wey-Yi Guyfbba9412010-08-23 07:57:10 -0700254 return;
Wey-Yi Guye55b5172011-06-28 11:46:28 -0700255 iwlagn_send_advance_bt_config(priv);
Wey-Yi Guyfbba9412010-08-23 07:57:10 -0700256}
257
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700258static void iwl_bg_bt_full_concurrency(struct work_struct *work)
259{
260 struct iwl_priv *priv =
261 container_of(work, struct iwl_priv, bt_full_concurrency);
Johannes Berg246ed352010-08-23 10:46:32 +0200262 struct iwl_rxon_context *ctx;
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700263
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -0700264 mutex_lock(&priv->shrd->mutex);
Stanislaw Gruszkadc1a4062011-03-31 17:36:27 +0200265
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700266 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Stanislaw Gruszkadc1a4062011-03-31 17:36:27 +0200267 goto out;
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700268
269 /* dont send host command if rf-kill is on */
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -0700270 if (!iwl_is_ready_rf(priv->shrd))
Stanislaw Gruszkadc1a4062011-03-31 17:36:27 +0200271 goto out;
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700272
273 IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
274 priv->bt_full_concurrent ?
275 "full concurrency" : "3-wire");
276
277 /*
278 * LQ & RXON updated cmds must be sent before BT Config cmd
279 * to avoid 3-wire collisions
280 */
Johannes Berg246ed352010-08-23 10:46:32 +0200281 for_each_context(priv, ctx) {
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -0700282 iwlagn_set_rxon_chain(priv, ctx);
Wey-Yi Guy805a3b82011-06-03 07:54:16 -0700283 iwlagn_commit_rxon(priv, ctx);
Johannes Berg246ed352010-08-23 10:46:32 +0200284 }
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700285
Wey-Yi Guye55b5172011-06-28 11:46:28 -0700286 iwlagn_send_advance_bt_config(priv);
Stanislaw Gruszkadc1a4062011-03-31 17:36:27 +0200287out:
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -0700288 mutex_unlock(&priv->shrd->mutex);
Wey-Yi Guybee008b2010-08-23 07:57:04 -0700289}
290
Emmanuel Grumbach4e393172008-06-12 09:46:53 +0800291/**
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -0700292 * iwl_bg_statistics_periodic - Timer callback to queue statistics
Emmanuel Grumbach4e393172008-06-12 09:46:53 +0800293 *
294 * This callback is provided in order to send a statistics request.
295 *
296 * This timer function is continually reset to execute within
297 * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
298 * was received. We need to ensure we receive the statistics in order
299 * to update the temperature used for calibrating the TXPOWER.
300 */
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -0700301static void iwl_bg_statistics_periodic(unsigned long data)
Emmanuel Grumbach4e393172008-06-12 09:46:53 +0800302{
303 struct iwl_priv *priv = (struct iwl_priv *)data;
304
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700305 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Emmanuel Grumbach4e393172008-06-12 09:46:53 +0800306 return;
307
Mohamed Abbas61780ee2008-10-29 14:05:49 -0700308 /* dont send host command if rf-kill is on */
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -0700309 if (!iwl_is_ready_rf(priv->shrd))
Mohamed Abbas61780ee2008-10-29 14:05:49 -0700310 return;
311
Wey-Yi Guyef8d5522009-11-13 11:56:28 -0800312 iwl_send_statistics_request(priv, CMD_ASYNC, false);
Emmanuel Grumbach4e393172008-06-12 09:46:53 +0800313}
314
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800315
316static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
317 u32 start_idx, u32 num_events,
318 u32 mode)
319{
320 u32 i;
321 u32 ptr; /* SRAM byte address of log data */
322 u32 ev, time, data; /* event log data */
323 unsigned long reg_flags;
324
325 if (mode == 0)
326 ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
327 else
328 ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
329
330 /* Make sure device is powered up for SRAM reads */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700331 spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags);
332 if (iwl_grab_nic_access(bus(priv))) {
333 spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800334 return;
335 }
336
337 /* Set starting address; reads will auto-increment */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700338 iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800339 rmb();
340
341 /*
342 * "time" is actually "data" for mode 0 (no timestamp).
343 * place event id # at far right for easier visual parsing.
344 */
345 for (i = 0; i < num_events; i++) {
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700346 ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
347 time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800348 if (mode == 0) {
349 trace_iwlwifi_dev_ucode_cont_event(priv,
350 0, time, ev);
351 } else {
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700352 data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800353 trace_iwlwifi_dev_ucode_cont_event(priv,
354 time, data, ev);
355 }
356 }
357 /* Allow device to power down */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700358 iwl_release_nic_access(bus(priv));
359 spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800360}
361
Johannes Berg875295f2010-01-22 14:22:55 -0800362static void iwl_continuous_event_trace(struct iwl_priv *priv)
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800363{
364 u32 capacity; /* event log capacity in # entries */
365 u32 base; /* SRAM byte address of event log header */
366 u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
367 u32 num_wraps; /* # times uCode wrapped to top of log */
368 u32 next_entry; /* index of next entry to be written by uCode */
369
Don Fryae6130f2011-11-30 16:12:59 -0800370 base = priv->shrd->device_pointers.error_event_table;
Fry, Donald H4caab322011-07-07 15:24:07 -0700371 if (iwlagn_hw_valid_rtc_data_addr(base)) {
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -0700372 capacity = iwl_read_targ_mem(bus(priv), base);
373 num_wraps = iwl_read_targ_mem(bus(priv),
374 base + (2 * sizeof(u32)));
375 mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32)));
376 next_entry = iwl_read_targ_mem(bus(priv),
377 base + (3 * sizeof(u32)));
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800378 } else
379 return;
380
381 if (num_wraps == priv->event_log.num_wraps) {
382 iwl_print_cont_event_trace(priv,
383 base, priv->event_log.next_entry,
384 next_entry - priv->event_log.next_entry,
385 mode);
386 priv->event_log.non_wraps_count++;
387 } else {
388 if ((num_wraps - priv->event_log.num_wraps) > 1)
389 priv->event_log.wraps_more_count++;
390 else
391 priv->event_log.wraps_once_count++;
392 trace_iwlwifi_dev_ucode_wrap_event(priv,
393 num_wraps - priv->event_log.num_wraps,
394 next_entry, priv->event_log.next_entry);
395 if (next_entry < priv->event_log.next_entry) {
396 iwl_print_cont_event_trace(priv, base,
397 priv->event_log.next_entry,
398 capacity - priv->event_log.next_entry,
399 mode);
400
401 iwl_print_cont_event_trace(priv, base, 0,
402 next_entry, mode);
403 } else {
404 iwl_print_cont_event_trace(priv, base,
405 next_entry, capacity - next_entry,
406 mode);
407
408 iwl_print_cont_event_trace(priv, base, 0,
409 next_entry, mode);
410 }
411 }
412 priv->event_log.num_wraps = num_wraps;
413 priv->event_log.next_entry = next_entry;
414}
415
416/**
417 * iwl_bg_ucode_trace - Timer callback to log ucode event
418 *
419 * The timer is continually set to execute every
420 * UCODE_TRACE_PERIOD milliseconds after the last timer expired
421 * this function is to perform continuous uCode event logging operation
422 * if enabled
423 */
424static void iwl_bg_ucode_trace(unsigned long data)
425{
426 struct iwl_priv *priv = (struct iwl_priv *)data;
427
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700428 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800429 return;
430
431 if (priv->event_log.ucode_trace) {
432 iwl_continuous_event_trace(priv);
433 /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
434 mod_timer(&priv->ucode_trace,
435 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
436 }
437}
438
Wey-Yi Guy65550632010-06-24 13:18:35 -0700439static void iwl_bg_tx_flush(struct work_struct *work)
440{
441 struct iwl_priv *priv =
442 container_of(work, struct iwl_priv, tx_flush);
443
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700444 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Wey-Yi Guy65550632010-06-24 13:18:35 -0700445 return;
446
447 /* do nothing if rf-kill is on */
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -0700448 if (!iwl_is_ready_rf(priv->shrd))
Wey-Yi Guy65550632010-06-24 13:18:35 -0700449 return;
450
Wey-Yi Guyc68744f2011-06-18 08:03:18 -0700451 IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
452 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
Wey-Yi Guy65550632010-06-24 13:18:35 -0700453}
454
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700455static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
456{
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700457 int i;
458
459 /*
460 * The default context is always valid,
461 * the PAN context depends on uCode.
462 */
Emmanuel Grumbach7a10e3e42011-09-06 09:31:21 -0700463 priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700464 if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
Emmanuel Grumbach7a10e3e42011-09-06 09:31:21 -0700465 priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700466
467 for (i = 0; i < NUM_IWL_RXON_CTX; i++)
468 priv->contexts[i].ctxid = i;
469
470 priv->contexts[IWL_RXON_CTX_BSS].always_active = true;
471 priv->contexts[IWL_RXON_CTX_BSS].is_active = true;
472 priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
473 priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
474 priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
475 priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
476 priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
477 priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700478 priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
479 BIT(NL80211_IFTYPE_ADHOC);
480 priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
481 BIT(NL80211_IFTYPE_STATION);
482 priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP;
483 priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
484 priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
485 priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
486
487 priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
488 priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
489 REPLY_WIPAN_RXON_TIMING;
490 priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd =
491 REPLY_WIPAN_RXON_ASSOC;
492 priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
493 priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
494 priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
495 priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
496 priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700497 priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
498 BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
Johannes Bergc6baf7f2011-07-23 10:24:47 -0700499
500 if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P)
501 priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
502 BIT(NL80211_IFTYPE_P2P_CLIENT) |
503 BIT(NL80211_IFTYPE_P2P_GO);
504
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700505 priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
506 priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
507 priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
508
509 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
510}
511
Johannes Bergb08dfd02010-01-29 11:54:56 -0800512static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800513
Jay Sternberg39396082010-08-12 10:24:07 -0700514#define UCODE_EXPERIMENTAL_INDEX 100
515#define UCODE_EXPERIMENTAL_TAG "exp"
516
Johannes Bergb08dfd02010-01-29 11:54:56 -0800517static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
Zhu Yib481de92007-09-25 17:54:57 -0700518{
Don Fry38622412011-12-16 07:07:36 -0800519 const char *name_pre = cfg(priv)->fw_name_pre;
Jay Sternberg39396082010-08-12 10:24:07 -0700520 char tag[8];
Johannes Bergb08dfd02010-01-29 11:54:56 -0800521
Jay Sternberg39396082010-08-12 10:24:07 -0700522 if (first) {
523#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
524 priv->fw_index = UCODE_EXPERIMENTAL_INDEX;
525 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
526 } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
527#endif
Don Fry38622412011-12-16 07:07:36 -0800528 priv->fw_index = cfg(priv)->ucode_api_max;
Jay Sternberg39396082010-08-12 10:24:07 -0700529 sprintf(tag, "%d", priv->fw_index);
530 } else {
Johannes Bergb08dfd02010-01-29 11:54:56 -0800531 priv->fw_index--;
Jay Sternberg39396082010-08-12 10:24:07 -0700532 sprintf(tag, "%d", priv->fw_index);
533 }
Johannes Bergb08dfd02010-01-29 11:54:56 -0800534
Don Fry38622412011-12-16 07:07:36 -0800535 if (priv->fw_index < cfg(priv)->ucode_api_min) {
Johannes Bergb08dfd02010-01-29 11:54:56 -0800536 IWL_ERR(priv, "no suitable firmware found!\n");
537 return -ENOENT;
538 }
539
Jay Sternberg39396082010-08-12 10:24:07 -0700540 sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
Johannes Bergb08dfd02010-01-29 11:54:56 -0800541
Jay Sternberg39396082010-08-12 10:24:07 -0700542 IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n",
543 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
544 ? "EXPERIMENTAL " : "",
Johannes Bergb08dfd02010-01-29 11:54:56 -0800545 priv->firmware_name);
546
547 return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
Don Fry26bfc0c2011-10-10 07:26:56 -0700548 bus(priv)->dev,
Emmanuel Grumbach3599d392011-05-31 08:52:10 +0300549 GFP_KERNEL, priv, iwl_ucode_callback);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800550}
551
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700552struct iwlagn_firmware_pieces {
Johannes Bergc8ac61c2011-07-15 13:23:45 -0700553 const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data;
554 size_t inst_size, data_size, init_size, init_data_size,
555 wowlan_inst_size, wowlan_data_size;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700556
557 u32 build;
Johannes Bergb2e640d2010-05-05 23:24:54 -0700558
559 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
560 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700561};
562
563static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
564 const struct firmware *ucode_raw,
565 struct iwlagn_firmware_pieces *pieces)
566{
567 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
568 u32 api_ver, hdr_size;
569 const u8 *src;
570
571 priv->ucode_ver = le32_to_cpu(ucode->ver);
572 api_ver = IWL_UCODE_API(priv->ucode_ver);
573
574 switch (api_ver) {
575 default:
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700576 hdr_size = 28;
577 if (ucode_raw->size < hdr_size) {
578 IWL_ERR(priv, "File size too small!\n");
579 return -EINVAL;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700580 }
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700581 pieces->build = le32_to_cpu(ucode->u.v2.build);
582 pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
583 pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
584 pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
585 pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700586 src = ucode->u.v2.data;
587 break;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700588 case 0:
589 case 1:
590 case 2:
591 hdr_size = 24;
592 if (ucode_raw->size < hdr_size) {
593 IWL_ERR(priv, "File size too small!\n");
594 return -EINVAL;
595 }
596 pieces->build = 0;
597 pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
598 pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
599 pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
600 pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700601 src = ucode->u.v1.data;
602 break;
603 }
604
605 /* Verify size of file vs. image size info in file's header */
606 if (ucode_raw->size != hdr_size + pieces->inst_size +
607 pieces->data_size + pieces->init_size +
Johannes Berg1fc35272011-04-05 09:41:57 -0700608 pieces->init_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700609
610 IWL_ERR(priv,
611 "uCode file size %d does not match expected size\n",
612 (int)ucode_raw->size);
613 return -EINVAL;
614 }
615
616 pieces->inst = src;
617 src += pieces->inst_size;
618 pieces->data = src;
619 src += pieces->data_size;
620 pieces->init = src;
621 src += pieces->init_size;
622 pieces->init_data = src;
623 src += pieces->init_data_size;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700624
625 return 0;
626}
627
Johannes Bergdd7a2502010-04-28 23:33:10 -0700628static int iwlagn_load_firmware(struct iwl_priv *priv,
629 const struct firmware *ucode_raw,
630 struct iwlagn_firmware_pieces *pieces,
631 struct iwlagn_ucode_capabilities *capa)
632{
633 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
634 struct iwl_ucode_tlv *tlv;
635 size_t len = ucode_raw->size;
636 const u8 *data;
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -0700637 int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative;
638 int tmp;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700639 u64 alternatives;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700640 u32 tlv_len;
641 enum iwl_ucode_tlv_type tlv_type;
642 const u8 *tlv_data;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700643
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700644 if (len < sizeof(*ucode)) {
645 IWL_ERR(priv, "uCode has invalid length: %zd\n", len);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700646 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700647 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700648
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700649 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
650 IWL_ERR(priv, "invalid uCode magic: 0X%x\n",
651 le32_to_cpu(ucode->magic));
Johannes Bergdd7a2502010-04-28 23:33:10 -0700652 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700653 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700654
655 /*
656 * Check which alternatives are present, and "downgrade"
657 * when the chosen alternative is not present, warning
658 * the user when that happens. Some files may not have
659 * any alternatives, so don't warn in that case.
660 */
661 alternatives = le64_to_cpu(ucode->alternatives);
662 tmp = wanted_alternative;
663 if (wanted_alternative > 63)
664 wanted_alternative = 63;
665 while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
666 wanted_alternative--;
667 if (wanted_alternative && wanted_alternative != tmp)
668 IWL_WARN(priv,
669 "uCode alternative %d not available, choosing %d\n",
670 tmp, wanted_alternative);
671
672 priv->ucode_ver = le32_to_cpu(ucode->ver);
673 pieces->build = le32_to_cpu(ucode->build);
674 data = ucode->data;
675
676 len -= sizeof(*ucode);
677
Johannes Berg704da532010-07-14 09:34:50 -0700678 while (len >= sizeof(*tlv)) {
Johannes Bergdd7a2502010-04-28 23:33:10 -0700679 u16 tlv_alt;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700680
681 len -= sizeof(*tlv);
682 tlv = (void *)data;
683
684 tlv_len = le32_to_cpu(tlv->length);
685 tlv_type = le16_to_cpu(tlv->type);
686 tlv_alt = le16_to_cpu(tlv->alternative);
687 tlv_data = tlv->data;
688
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700689 if (len < tlv_len) {
690 IWL_ERR(priv, "invalid TLV len: %zd/%u\n",
691 len, tlv_len);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700692 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700693 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700694 len -= ALIGN(tlv_len, 4);
695 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
696
697 /*
698 * Alternative 0 is always valid.
699 *
700 * Skip alternative TLVs that are not selected.
701 */
702 if (tlv_alt != 0 && tlv_alt != wanted_alternative)
703 continue;
704
705 switch (tlv_type) {
706 case IWL_UCODE_TLV_INST:
707 pieces->inst = tlv_data;
708 pieces->inst_size = tlv_len;
709 break;
710 case IWL_UCODE_TLV_DATA:
711 pieces->data = tlv_data;
712 pieces->data_size = tlv_len;
713 break;
714 case IWL_UCODE_TLV_INIT:
715 pieces->init = tlv_data;
716 pieces->init_size = tlv_len;
717 break;
718 case IWL_UCODE_TLV_INIT_DATA:
719 pieces->init_data = tlv_data;
720 pieces->init_data_size = tlv_len;
721 break;
722 case IWL_UCODE_TLV_BOOT:
Johannes Berg1fc35272011-04-05 09:41:57 -0700723 IWL_ERR(priv, "Found unexpected BOOT ucode\n");
Johannes Bergdd7a2502010-04-28 23:33:10 -0700724 break;
725 case IWL_UCODE_TLV_PROBE_MAX_LEN:
Johannes Berg704da532010-07-14 09:34:50 -0700726 if (tlv_len != sizeof(u32))
727 goto invalid_tlv_len;
728 capa->max_probe_length =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700729 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700730 break;
Johannes Bergece9c4e2010-08-23 10:46:49 +0200731 case IWL_UCODE_TLV_PAN:
732 if (tlv_len)
733 goto invalid_tlv_len;
Johannes Berg3997ff32011-04-05 09:42:02 -0700734 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
735 break;
736 case IWL_UCODE_TLV_FLAGS:
737 /* must be at least one u32 */
738 if (tlv_len < sizeof(u32))
739 goto invalid_tlv_len;
740 /* and a proper number of u32s */
741 if (tlv_len % sizeof(u32))
742 goto invalid_tlv_len;
743 /*
744 * This driver only reads the first u32 as
745 * right now no more features are defined,
746 * if that changes then either the driver
747 * will not work with the new firmware, or
748 * it'll not take advantage of new features.
749 */
750 capa->flags = le32_to_cpup((__le32 *)tlv_data);
Johannes Bergece9c4e2010-08-23 10:46:49 +0200751 break;
Johannes Bergb2e640d2010-05-05 23:24:54 -0700752 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700753 if (tlv_len != sizeof(u32))
754 goto invalid_tlv_len;
755 pieces->init_evtlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700756 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700757 break;
758 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700759 if (tlv_len != sizeof(u32))
760 goto invalid_tlv_len;
761 pieces->init_evtlog_size =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700762 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700763 break;
764 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700765 if (tlv_len != sizeof(u32))
766 goto invalid_tlv_len;
767 pieces->init_errlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700768 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700769 break;
770 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700771 if (tlv_len != sizeof(u32))
772 goto invalid_tlv_len;
773 pieces->inst_evtlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700774 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700775 break;
776 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700777 if (tlv_len != sizeof(u32))
778 goto invalid_tlv_len;
779 pieces->inst_evtlog_size =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700780 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700781 break;
782 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700783 if (tlv_len != sizeof(u32))
784 goto invalid_tlv_len;
785 pieces->inst_errlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700786 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700787 break;
Wey-Yi Guyc8312fa2010-06-28 13:05:17 -0700788 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
789 if (tlv_len)
Johannes Berg704da532010-07-14 09:34:50 -0700790 goto invalid_tlv_len;
791 priv->enhance_sensitivity_table = true;
Wey-Yi Guyc8312fa2010-06-28 13:05:17 -0700792 break;
Johannes Bergc8ac61c2011-07-15 13:23:45 -0700793 case IWL_UCODE_TLV_WOWLAN_INST:
794 pieces->wowlan_inst = tlv_data;
795 pieces->wowlan_inst_size = tlv_len;
796 break;
797 case IWL_UCODE_TLV_WOWLAN_DATA:
798 pieces->wowlan_data = tlv_data;
799 pieces->wowlan_data_size = tlv_len;
800 break;
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700801 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700802 if (tlv_len != sizeof(u32))
803 goto invalid_tlv_len;
804 capa->standard_phy_calibration_size =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700805 le32_to_cpup((__le32 *)tlv_data);
806 break;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700807 default:
Johannes Berg6fc3ba92011-04-04 06:16:29 -0700808 IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700809 break;
810 }
811 }
812
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700813 if (len) {
814 IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len);
815 iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len);
Johannes Berg704da532010-07-14 09:34:50 -0700816 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700817 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700818
Johannes Berg704da532010-07-14 09:34:50 -0700819 return 0;
820
821 invalid_tlv_len:
822 IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
823 iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len);
824
825 return -EINVAL;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700826}
827
Johannes Bergb08dfd02010-01-29 11:54:56 -0800828/**
829 * iwl_ucode_callback - callback when firmware was loaded
830 *
831 * If loaded successfully, copies the firmware into buffers
832 * for the card to fetch (via DMA).
833 */
834static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
835{
836 struct iwl_priv *priv = context;
837 struct iwl_ucode_header *ucode;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700838 int err;
839 struct iwlagn_firmware_pieces pieces;
Don Fry38622412011-12-16 07:07:36 -0800840 const unsigned int api_max = cfg(priv)->ucode_api_max;
841 unsigned int api_ok = cfg(priv)->ucode_api_ok;
842 const unsigned int api_min = cfg(priv)->ucode_api_min;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700843 u32 api_ver;
Johannes Berg3e4de762010-04-28 12:09:12 -0700844 char buildstr[25];
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700845 u32 build;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700846 struct iwlagn_ucode_capabilities ucode_capa = {
847 .max_probe_length = 200,
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700848 .standard_phy_calibration_size =
Shanyu Zhao642454c2010-09-21 12:06:18 -0700849 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE,
Johannes Bergdd7a2502010-04-28 23:33:10 -0700850 };
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700851
Johannes Berg5d7969b2011-07-23 10:24:44 -0700852 if (!api_ok)
853 api_ok = api_max;
854
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700855 memset(&pieces, 0, sizeof(pieces));
Zhu Yib481de92007-09-25 17:54:57 -0700856
Johannes Bergb08dfd02010-01-29 11:54:56 -0800857 if (!ucode_raw) {
Johannes Berg5d7969b2011-07-23 10:24:44 -0700858 if (priv->fw_index <= api_ok)
Jay Sternberg39396082010-08-12 10:24:07 -0700859 IWL_ERR(priv,
860 "request for firmware file '%s' failed.\n",
861 priv->firmware_name);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800862 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700863 }
864
Johannes Bergb08dfd02010-01-29 11:54:56 -0800865 IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
866 priv->firmware_name, ucode_raw->size);
Zhu Yib481de92007-09-25 17:54:57 -0700867
Johannes Berg22adba22010-04-28 12:09:14 -0700868 /* Make sure that we got at least the API version number */
869 if (ucode_raw->size < 4) {
Winkler, Tomas15b16872008-12-19 10:37:33 +0800870 IWL_ERR(priv, "File size way too small!\n");
Johannes Bergb08dfd02010-01-29 11:54:56 -0800871 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700872 }
873
874 /* Data from ucode file: header followed by uCode images */
Jay Sternbergcc0f5552009-07-17 09:30:16 -0700875 ucode = (struct iwl_ucode_header *)ucode_raw->data;
Zhu Yib481de92007-09-25 17:54:57 -0700876
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700877 if (ucode->ver)
878 err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces);
879 else
Johannes Bergdd7a2502010-04-28 23:33:10 -0700880 err = iwlagn_load_firmware(priv, ucode_raw, &pieces,
881 &ucode_capa);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700882
883 if (err)
884 goto try_again;
885
Reinette Chatrea0987a82008-12-02 12:14:06 -0800886 api_ver = IWL_UCODE_API(priv->ucode_ver);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700887 build = pieces.build;
Zhu Yib481de92007-09-25 17:54:57 -0700888
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700889 /*
890 * api_ver should match the api version forming part of the
Reinette Chatrea0987a82008-12-02 12:14:06 -0800891 * firmware filename ... but we don't check for that and only rely
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700892 * on the API version read from firmware header from here on forward
893 */
Wey-Yi Guy65cccfb2010-09-21 16:15:58 -0700894 /* no api version check required for experimental uCode */
895 if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
896 if (api_ver < api_min || api_ver > api_max) {
897 IWL_ERR(priv,
898 "Driver unable to support your firmware API. "
899 "Driver supports v%u, firmware is v%u.\n",
900 api_max, api_ver);
901 goto try_again;
902 }
Johannes Bergb08dfd02010-01-29 11:54:56 -0800903
Johannes Berg5d7969b2011-07-23 10:24:44 -0700904 if (api_ver < api_ok) {
905 if (api_ok != api_max)
906 IWL_ERR(priv, "Firmware has old API version, "
907 "expected v%u through v%u, got v%u.\n",
908 api_ok, api_max, api_ver);
909 else
910 IWL_ERR(priv, "Firmware has old API version, "
911 "expected v%u, got v%u.\n",
912 api_max, api_ver);
913 IWL_ERR(priv, "New firmware can be obtained from "
914 "http://www.intellinuxwireless.org/.\n");
915 }
Wey-Yi Guy65cccfb2010-09-21 16:15:58 -0700916 }
Reinette Chatrea0987a82008-12-02 12:14:06 -0800917
Johannes Berg3e4de762010-04-28 12:09:12 -0700918 if (build)
Jay Sternberg39396082010-08-12 10:24:07 -0700919 sprintf(buildstr, " build %u%s", build,
920 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
921 ? " (EXP)" : "");
Johannes Berg3e4de762010-04-28 12:09:12 -0700922 else
923 buildstr[0] = '\0';
Reinette Chatrea0987a82008-12-02 12:14:06 -0800924
Johannes Berg3e4de762010-04-28 12:09:12 -0700925 IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n",
Reinette Chatre5ebeb5a2009-10-30 14:36:04 -0700926 IWL_UCODE_MAJOR(priv->ucode_ver),
927 IWL_UCODE_MINOR(priv->ucode_ver),
928 IWL_UCODE_API(priv->ucode_ver),
Johannes Berg3e4de762010-04-28 12:09:12 -0700929 IWL_UCODE_SERIAL(priv->ucode_ver),
930 buildstr);
Reinette Chatre5ebeb5a2009-10-30 14:36:04 -0700931
Johannes Berg3e4de762010-04-28 12:09:12 -0700932 snprintf(priv->hw->wiphy->fw_version,
933 sizeof(priv->hw->wiphy->fw_version),
934 "%u.%u.%u.%u%s",
935 IWL_UCODE_MAJOR(priv->ucode_ver),
936 IWL_UCODE_MINOR(priv->ucode_ver),
937 IWL_UCODE_API(priv->ucode_ver),
938 IWL_UCODE_SERIAL(priv->ucode_ver),
939 buildstr);
Zhu Yib481de92007-09-25 17:54:57 -0700940
Johannes Bergb08dfd02010-01-29 11:54:56 -0800941 /*
942 * For any of the failures below (before allocating pci memory)
943 * we will try to load a version with a smaller API -- maybe the
944 * user just got a corrupted version of the latest API.
945 */
946
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700947 IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
948 priv->ucode_ver);
949 IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n",
950 pieces.inst_size);
951 IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n",
952 pieces.data_size);
953 IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n",
954 pieces.init_size);
955 IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
956 pieces.init_data_size);
Zhu Yib481de92007-09-25 17:54:57 -0700957
958 /* Verify that uCode images will fit in card's SRAM */
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700959 if (pieces.inst_size > hw_params(priv).max_inst_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700960 IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n",
961 pieces.inst_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800962 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700963 }
964
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700965 if (pieces.data_size > hw_params(priv).max_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700966 IWL_ERR(priv, "uCode data len %Zd too large to fit in\n",
967 pieces.data_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800968 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700969 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700970
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700971 if (pieces.init_size > hw_params(priv).max_inst_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700972 IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n",
973 pieces.init_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800974 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700975 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700976
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700977 if (pieces.init_data_size > hw_params(priv).max_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700978 IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n",
979 pieces.init_data_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800980 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700981 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700982
Zhu Yib481de92007-09-25 17:54:57 -0700983 /* Allocate ucode buffers for card's bus-master loading ... */
984
985 /* Runtime instructions and 2 copies of data:
986 * 1) unmodified from disk
987 * 2) backup cache for save/restore during power-downs */
Don Fryde7f5f92011-11-10 06:55:10 -0800988 if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.code,
Johannes Bergdbf28e212011-04-16 08:29:24 -0700989 pieces.inst, pieces.inst_size))
990 goto err_pci_alloc;
Don Fryde7f5f92011-11-10 06:55:10 -0800991 if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.data,
Johannes Bergdbf28e212011-04-16 08:29:24 -0700992 pieces.data, pieces.data_size))
Zhu, Yi1f304e42009-01-23 13:45:22 -0800993 goto err_pci_alloc;
994
Zhu Yib481de92007-09-25 17:54:57 -0700995 /* Initialization instructions and data */
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700996 if (pieces.init_size && pieces.init_data_size) {
Don Fryde7f5f92011-11-10 06:55:10 -0800997 if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.code,
Johannes Bergdbf28e212011-04-16 08:29:24 -0700998 pieces.init, pieces.init_size))
999 goto err_pci_alloc;
Don Fryde7f5f92011-11-10 06:55:10 -08001000 if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.data,
Johannes Bergdbf28e212011-04-16 08:29:24 -07001001 pieces.init_data, pieces.init_data_size))
Tomas Winkler90e759d2007-11-29 11:09:41 +08001002 goto err_pci_alloc;
1003 }
Zhu Yib481de92007-09-25 17:54:57 -07001004
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001005 /* WoWLAN instructions and data */
1006 if (pieces.wowlan_inst_size && pieces.wowlan_data_size) {
Don Fryde7f5f92011-11-10 06:55:10 -08001007 if (iwl_alloc_fw_desc(bus(priv),
1008 &trans(priv)->ucode_wowlan.code,
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001009 pieces.wowlan_inst,
1010 pieces.wowlan_inst_size))
1011 goto err_pci_alloc;
Don Fryde7f5f92011-11-10 06:55:10 -08001012 if (iwl_alloc_fw_desc(bus(priv),
1013 &trans(priv)->ucode_wowlan.data,
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001014 pieces.wowlan_data,
1015 pieces.wowlan_data_size))
1016 goto err_pci_alloc;
1017 }
1018
Johannes Bergb2e640d2010-05-05 23:24:54 -07001019 /* Now that we can no longer fail, copy information */
1020
1021 /*
1022 * The (size - 16) / 12 formula is based on the information recorded
1023 * for each event, which is of mode 1 (including timestamp) for all
1024 * new microcodes that include this information.
1025 */
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001026 priv->init_evtlog_ptr = pieces.init_evtlog_ptr;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001027 if (pieces.init_evtlog_size)
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001028 priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001029 else
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001030 priv->init_evtlog_size =
Don Fry38622412011-12-16 07:07:36 -08001031 cfg(priv)->base_params->max_event_log_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001032 priv->init_errlog_ptr = pieces.init_errlog_ptr;
1033 priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001034 if (pieces.inst_evtlog_size)
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001035 priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001036 else
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001037 priv->inst_evtlog_size =
Don Fry38622412011-12-16 07:07:36 -08001038 cfg(priv)->base_params->max_event_log_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001039 priv->inst_errlog_ptr = pieces.inst_errlog_ptr;
Wey-Yi Guy0cb38d62011-12-02 07:33:57 -08001040#ifndef CONFIG_IWLWIFI_P2P
1041 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
1042#endif
Johannes Bergb2e640d2010-05-05 23:24:54 -07001043
Johannes Bergd2690c02011-04-20 09:10:39 -07001044 priv->new_scan_threshold_behaviour =
1045 !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
1046
Don Fry38622412011-12-16 07:07:36 -08001047 if (!(cfg(priv)->sku & EEPROM_SKU_CAP_IPAN_ENABLE))
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001048 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
Johannes Bergc10afb62010-08-23 10:46:43 +02001049
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001050 /*
1051 * if not PAN, then don't support P2P -- might be a uCode
1052 * packaging bug or due to the eeprom check above
1053 */
1054 if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN))
1055 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
1056
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001057 if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) {
1058 priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
Emmanuel Grumbachcefeaa52011-08-25 23:10:40 -07001059 priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001060 } else {
1061 priv->sta_key_max_num = STA_KEY_MAX_NUM;
Emmanuel Grumbachcefeaa52011-08-25 23:10:40 -07001062 priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001063 }
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001064 /*
1065 * figure out the offset of chain noise reset and gain commands
1066 * base on the size of standard phy calibration commands table size
1067 */
1068 if (ucode_capa.standard_phy_calibration_size >
1069 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1070 ucode_capa.standard_phy_calibration_size =
1071 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1072
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001073 priv->phy_calib_chain_noise_reset_cmd =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001074 ucode_capa.standard_phy_calibration_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001075 priv->phy_calib_chain_noise_gain_cmd =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001076 ucode_capa.standard_phy_calibration_size + 1;
1077
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001078 /* initialize all valid contexts */
1079 iwl_init_context(priv, ucode_capa.flags);
1080
Johannes Bergb08dfd02010-01-29 11:54:56 -08001081 /**************************************************
1082 * This is still part of probe() in a sense...
1083 *
1084 * 9. Setup and register with mac80211 and debugfs
1085 **************************************************/
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001086 err = iwlagn_mac_setup_register(priv, &ucode_capa);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001087 if (err)
1088 goto out_unbind;
1089
1090 err = iwl_dbgfs_register(priv, DRV_NAME);
1091 if (err)
1092 IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
1093
Zhu Yib481de92007-09-25 17:54:57 -07001094 /* We have our copies now, allow OS release its copies */
1095 release_firmware(ucode_raw);
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001096 complete(&priv->firmware_loading_complete);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001097 return;
1098
1099 try_again:
1100 /* try next, if any */
1101 if (iwl_request_firmware(priv, false))
1102 goto out_unbind;
1103 release_firmware(ucode_raw);
1104 return;
Zhu Yib481de92007-09-25 17:54:57 -07001105
1106 err_pci_alloc:
Winkler, Tomas15b16872008-12-19 10:37:33 +08001107 IWL_ERR(priv, "failed to allocate pci memory\n");
Don Fryde7f5f92011-11-10 06:55:10 -08001108 iwl_dealloc_ucode(trans(priv));
Johannes Bergb08dfd02010-01-29 11:54:56 -08001109 out_unbind:
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001110 complete(&priv->firmware_loading_complete);
Don Fry26bfc0c2011-10-10 07:26:56 -07001111 device_release_driver(bus(priv)->dev);
Zhu Yib481de92007-09-25 17:54:57 -07001112 release_firmware(ucode_raw);
Zhu Yib481de92007-09-25 17:54:57 -07001113}
1114
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001115static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
1116{
1117 struct iwl_ct_kill_config cmd;
1118 struct iwl_ct_kill_throttling_config adv_cmd;
1119 unsigned long flags;
1120 int ret = 0;
1121
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001122 spin_lock_irqsave(&priv->shrd->lock, flags);
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001123 iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001124 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001125 spin_unlock_irqrestore(&priv->shrd->lock, flags);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001126 priv->thermal_throttle.ct_kill_toggle = false;
1127
Don Fry38622412011-12-16 07:07:36 -08001128 if (cfg(priv)->base_params->support_ct_kill_exit) {
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001129 adv_cmd.critical_temperature_enter =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001130 cpu_to_le32(hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001131 adv_cmd.critical_temperature_exit =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001132 cpu_to_le32(hw_params(priv).ct_kill_exit_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001133
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001134 ret = iwl_trans_send_cmd_pdu(trans(priv),
Emmanuel Grumbache419d622011-07-08 08:46:14 -07001135 REPLY_CT_KILL_CONFIG_CMD,
1136 CMD_SYNC, sizeof(adv_cmd), &adv_cmd);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001137 if (ret)
1138 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1139 else
1140 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001141 "succeeded, critical temperature enter is %d,"
1142 "exit is %d\n",
1143 hw_params(priv).ct_kill_threshold,
1144 hw_params(priv).ct_kill_exit_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001145 } else {
1146 cmd.critical_temperature_R =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001147 cpu_to_le32(hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001148
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001149 ret = iwl_trans_send_cmd_pdu(trans(priv),
Emmanuel Grumbache419d622011-07-08 08:46:14 -07001150 REPLY_CT_KILL_CONFIG_CMD,
1151 CMD_SYNC, sizeof(cmd), &cmd);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001152 if (ret)
1153 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1154 else
1155 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001156 "succeeded, "
1157 "critical temperature is %d\n",
1158 hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001159 }
1160}
1161
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001162static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
1163{
1164 struct iwl_calib_cfg_cmd calib_cfg_cmd;
1165 struct iwl_host_cmd cmd = {
1166 .id = CALIBRATION_CFG_CMD,
Johannes Berg3fa50732011-05-04 07:50:38 -07001167 .len = { sizeof(struct iwl_calib_cfg_cmd), },
1168 .data = { &calib_cfg_cmd, },
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001169 };
1170
1171 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
Wey-Yi Guyaf4dc882011-10-04 07:10:19 -07001172 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL;
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001173 calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg);
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001174
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001175 return iwl_trans_send_cmd(trans(priv), &cmd);
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001176}
1177
1178
Wey-Yi Guye505c432011-07-07 08:27:41 -07001179static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
1180{
1181 struct iwl_tx_ant_config_cmd tx_ant_cmd = {
1182 .valid = cpu_to_le32(valid_tx_ant),
1183 };
1184
1185 if (IWL_UCODE_API(priv->ucode_ver) > 1) {
1186 IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001187 return iwl_trans_send_cmd_pdu(trans(priv),
Wey-Yi Guye505c432011-07-07 08:27:41 -07001188 TX_ANT_CONFIGURATION_CMD,
1189 CMD_SYNC,
1190 sizeof(struct iwl_tx_ant_config_cmd),
1191 &tx_ant_cmd);
1192 } else {
1193 IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
1194 return -EOPNOTSUPP;
1195 }
1196}
1197
Zhu Yib481de92007-09-25 17:54:57 -07001198/**
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001199 * iwl_alive_start - called after REPLY_ALIVE notification received
Zhu Yib481de92007-09-25 17:54:57 -07001200 * from protocol/runtime uCode (initialization uCode's
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001201 * Alive gets handled by iwl_init_alive_start()).
Zhu Yib481de92007-09-25 17:54:57 -07001202 */
Cindy H. Kao4613e722011-05-06 10:40:15 -07001203int iwl_alive_start(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001204{
Tomas Winkler57aab752008-04-14 21:16:03 -07001205 int ret = 0;
Johannes Berg246ed352010-08-23 10:46:32 +02001206 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
Zhu Yib481de92007-09-25 17:54:57 -07001207
Emmanuel Grumbach1a361cd2011-07-11 07:44:57 -07001208 /*TODO: this should go to the transport layer */
Emmanuel Grumbach6bb78842011-08-25 23:11:09 -07001209 iwl_reset_ict(trans(priv));
Johannes Bergca7966c2011-04-22 10:15:23 -07001210
Tomas Winklere1623442009-01-27 14:27:56 -08001211 IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
Zhu Yib481de92007-09-25 17:54:57 -07001212
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001213 /* After the ALIVE response, we can send host commands to the uCode */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001214 set_bit(STATUS_ALIVE, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001215
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001216 /* Enable watchdog to monitor the driver tx queues */
1217 iwl_setup_watchdog(priv);
Wey-Yi Guyb74e31a2010-03-01 17:23:50 -08001218
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -07001219 if (iwl_is_rfkill(priv->shrd))
Johannes Bergca7966c2011-04-22 10:15:23 -07001220 return -ERFKILL;
Zhu Yib481de92007-09-25 17:54:57 -07001221
Wey-Yi Guybc795df2010-10-11 14:24:05 -07001222 /* download priority table before any calibration request */
Don Fry38622412011-12-16 07:07:36 -08001223 if (cfg(priv)->bt_params &&
1224 cfg(priv)->bt_params->advanced_bt_coexist) {
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001225 /* Configure Bluetooth device coexistence support */
Don Fry38622412011-12-16 07:07:36 -08001226 if (cfg(priv)->bt_params->bt_sco_disable)
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001227 priv->bt_enable_pspoll = false;
1228 else
1229 priv->bt_enable_pspoll = true;
1230
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001231 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
1232 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
1233 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001234 iwlagn_send_advance_bt_config(priv);
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001235 priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001236 priv->cur_rssi_ctx = NULL;
1237
Don Fryb96b09d2011-12-02 08:48:38 -08001238 iwl_send_prio_tbl(trans(priv));
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001239
1240 /* FIXME: w/a to force change uCode BT state machine */
Don Fryb96b09d2011-12-02 08:48:38 -08001241 ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_OPEN,
Johannes Bergca7966c2011-04-22 10:15:23 -07001242 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
1243 if (ret)
1244 return ret;
Don Fryb96b09d2011-12-02 08:48:38 -08001245 ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_CLOSE,
Johannes Bergca7966c2011-04-22 10:15:23 -07001246 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
1247 if (ret)
1248 return ret;
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001249 } else {
1250 /*
1251 * default is 2-wire BT coexexistence support
1252 */
1253 iwl_send_bt_config(priv);
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001254 }
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001255
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001256 if (hw_params(priv).calib_rt_cfg)
1257 iwlagn_send_calib_cfg_rt(priv,
1258 hw_params(priv).calib_rt_cfg);
Wey-Yi Guybc795df2010-10-11 14:24:05 -07001259
Johannes Berg36d68252008-05-15 12:55:26 +02001260 ieee80211_wake_queues(priv->hw);
Zhu Yib481de92007-09-25 17:54:57 -07001261
Johannes Berg470ab2d2010-01-21 11:23:30 -08001262 priv->active_rate = IWL_RATES_MASK;
Zhu Yib481de92007-09-25 17:54:57 -07001263
Wey-Yi Guy2f748de2009-09-17 10:43:51 -07001264 /* Configure Tx antenna selection based on H/W config */
Don Fry38622412011-12-16 07:07:36 -08001265 iwlagn_send_tx_ant_config(priv, cfg(priv)->valid_tx_ant);
Wey-Yi Guy2f748de2009-09-17 10:43:51 -07001266
Emmanuel Grumbach57210f72011-08-25 23:10:52 -07001267 if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) {
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +08001268 struct iwl_rxon_cmd *active_rxon =
Johannes Berg246ed352010-08-23 10:46:32 +02001269 (struct iwl_rxon_cmd *)&ctx->active;
Mohamed Abbas019fb972009-03-17 21:59:18 -07001270 /* apply any changes in staging */
Johannes Berg246ed352010-08-23 10:46:32 +02001271 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
Zhu Yib481de92007-09-25 17:54:57 -07001272 active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
1273 } else {
Johannes Bergd0fe4782010-08-23 10:46:58 +02001274 struct iwl_rxon_context *tmp;
Zhu Yib481de92007-09-25 17:54:57 -07001275 /* Initialize our rx_config data */
Johannes Bergd0fe4782010-08-23 10:46:58 +02001276 for_each_context(priv, tmp)
1277 iwl_connection_init_rx_config(priv, tmp);
Abhijeet Kolekar45823532009-04-08 11:26:44 -07001278
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -07001279 iwlagn_set_rxon_chain(priv, ctx);
Zhu Yib481de92007-09-25 17:54:57 -07001280 }
1281
Emmanuel Grumbach57210f72011-08-25 23:10:52 -07001282 if (!priv->shrd->wowlan) {
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001283 /* WoWLAN ucode will not reply in the same way, skip it */
1284 iwl_reset_run_time_calib(priv);
1285 }
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001286
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001287 set_bit(STATUS_READY, &priv->shrd->status);
Wey-Yi Guy9e2e7422010-11-12 13:52:37 -08001288
Zhu Yib481de92007-09-25 17:54:57 -07001289 /* Configure the adapter for unassociated operation */
Wey-Yi Guy805a3b82011-06-03 07:54:16 -07001290 ret = iwlagn_commit_rxon(priv, ctx);
Johannes Bergca7966c2011-04-22 10:15:23 -07001291 if (ret)
1292 return ret;
Zhu Yib481de92007-09-25 17:54:57 -07001293
1294 /* At this point, the NIC is initialized and operational */
Emmanuel Grumbach47f4a582008-06-12 09:47:13 +08001295 iwl_rf_kill_ct_config(priv);
Zhu Yi5a66926a2008-01-14 17:46:18 -08001296
Tomas Winklere1623442009-01-27 14:27:56 -08001297 IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
Zhu Yib481de92007-09-25 17:54:57 -07001298
Johannes Bergca7966c2011-04-22 10:15:23 -07001299 return iwl_power_update_mode(priv, true);
Zhu Yib481de92007-09-25 17:54:57 -07001300}
1301
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001302static void iwl_cancel_deferred_work(struct iwl_priv *priv);
Zhu Yib481de92007-09-25 17:54:57 -07001303
Wey-Yi Guy73356132011-11-10 06:55:11 -08001304void __iwl_down(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001305{
Dan Carpenter22dd2fd2011-03-15 10:03:24 +03001306 int exit_pending;
Zhu Yib481de92007-09-25 17:54:57 -07001307
Tomas Winklere1623442009-01-27 14:27:56 -08001308 IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
Zhu Yib481de92007-09-25 17:54:57 -07001309
Stanislaw Gruszkad745d472010-09-13 14:46:35 +02001310 iwl_scan_cancel_timeout(priv, 200);
1311
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001312 /*
1313 * If active, scanning won't cancel it, so say it expired.
1314 * No race since we hold the mutex here and a new one
1315 * can't come in at this time.
1316 */
1317 ieee80211_remain_on_channel_expired(priv->hw);
1318
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001319 exit_pending =
1320 test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001321
Stanislaw Gruszkab62177a2010-08-20 15:23:47 +02001322 /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
1323 * to prevent rearm timer */
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001324 del_timer_sync(&priv->watchdog);
Stanislaw Gruszkab62177a2010-08-20 15:23:47 +02001325
Johannes Bergdcef7322010-08-27 08:55:52 -07001326 iwl_clear_ucode_stations(priv, NULL);
Johannes Berga194e322010-08-27 08:53:46 -07001327 iwl_dealloc_bcast_stations(priv);
Johannes Bergdb125c72010-05-07 01:49:15 -07001328 iwl_clear_driver_stations(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001329
Johannes Berga1174132010-08-23 07:56:59 -07001330 /* reset BT coex data */
Wey-Yi Guyda5dbb92010-08-23 07:57:13 -07001331 priv->bt_status = 0;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001332 priv->cur_rssi_ctx = NULL;
1333 priv->bt_is_sco = 0;
Don Fry38622412011-12-16 07:07:36 -08001334 if (cfg(priv)->bt_params)
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001335 priv->bt_traffic_load =
Don Fry38622412011-12-16 07:07:36 -08001336 cfg(priv)->bt_params->bt_init_traffic_load;
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001337 else
1338 priv->bt_traffic_load = 0;
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001339 priv->bt_full_concurrent = false;
1340 priv->bt_ci_compliance = 0;
Johannes Berga1174132010-08-23 07:56:59 -07001341
Zhu Yib481de92007-09-25 17:54:57 -07001342 /* Wipe out the EXIT_PENDING status bit if we are not actually
1343 * exiting the module */
1344 if (!exit_pending)
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001345 clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001346
Emmanuel Grumbach859cfb02011-09-15 11:46:31 -07001347 if (priv->mac80211_registered)
Zhu Yib481de92007-09-25 17:54:57 -07001348 ieee80211_stop_queues(priv->hw);
1349
Emmanuel Grumbach909e9b22011-09-15 11:46:30 -07001350 iwl_trans_stop_device(trans(priv));
1351
Johannes Berg1a10f432011-04-13 03:14:44 -07001352 /* Clear out all status bits but a few that are stable across reset */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001353 priv->shrd->status &=
1354 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) <<
Zhu Yib481de92007-09-25 17:54:57 -07001355 STATUS_RF_KILL_HW |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001356 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) <<
Reinette Chatre97888642008-02-06 11:20:38 -08001357 STATUS_GEO_CONFIGURED |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001358 test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
Mohamed Abbas052ec3f2008-06-30 17:23:15 +08001359 STATUS_FW_ERROR |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001360 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) <<
Mohamed Abbas052ec3f2008-06-30 17:23:15 +08001361 STATUS_EXIT_PENDING;
Zhu Yib481de92007-09-25 17:54:57 -07001362
Johannes Berg77834542010-10-04 05:50:36 -07001363 dev_kfree_skb(priv->beacon_skb);
Johannes Berg12e934d2010-10-04 05:50:06 -07001364 priv->beacon_skb = NULL;
Zhu Yib481de92007-09-25 17:54:57 -07001365}
1366
Wey-Yi Guy73356132011-11-10 06:55:11 -08001367void iwl_down(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001368{
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001369 mutex_lock(&priv->shrd->mutex);
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001370 __iwl_down(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001371 mutex_unlock(&priv->shrd->mutex);
Zhu Yib24d22b2007-12-19 13:59:52 +08001372
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001373 iwl_cancel_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001374}
1375
Zhu Yib481de92007-09-25 17:54:57 -07001376/*****************************************************************************
1377 *
1378 * Workqueue callbacks
1379 *
1380 *****************************************************************************/
1381
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001382static void iwl_bg_run_time_calib_work(struct work_struct *work)
1383{
1384 struct iwl_priv *priv = container_of(work, struct iwl_priv,
1385 run_time_calib_work);
1386
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001387 mutex_lock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001388
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001389 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) ||
1390 test_bit(STATUS_SCANNING, &priv->shrd->status)) {
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001391 mutex_unlock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001392 return;
1393 }
1394
1395 if (priv->start_calib) {
Johannes Berg0da0e5b2011-04-08 08:14:56 -07001396 iwl_chain_noise_calibration(priv);
1397 iwl_sensitivity_calibration(priv);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001398 }
1399
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001400 mutex_unlock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001401}
1402
Wey-Yi Guy73356132011-11-10 06:55:11 -08001403void iwlagn_prepare_restart(struct iwl_priv *priv)
Johannes Berge43e85c2011-04-19 07:45:16 -07001404{
1405 struct iwl_rxon_context *ctx;
1406 bool bt_full_concurrent;
1407 u8 bt_ci_compliance;
1408 u8 bt_load;
1409 u8 bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001410 bool bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001411
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001412 lockdep_assert_held(&priv->shrd->mutex);
Johannes Berge43e85c2011-04-19 07:45:16 -07001413
1414 for_each_context(priv, ctx)
1415 ctx->vif = NULL;
1416 priv->is_open = 0;
1417
1418 /*
1419 * __iwl_down() will clear the BT status variables,
1420 * which is correct, but when we restart we really
1421 * want to keep them so restore them afterwards.
1422 *
1423 * The restart process will later pick them up and
1424 * re-configure the hw when we reconfigure the BT
1425 * command.
1426 */
1427 bt_full_concurrent = priv->bt_full_concurrent;
1428 bt_ci_compliance = priv->bt_ci_compliance;
1429 bt_load = priv->bt_traffic_load;
1430 bt_status = priv->bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001431 bt_is_sco = priv->bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001432
1433 __iwl_down(priv);
1434
1435 priv->bt_full_concurrent = bt_full_concurrent;
1436 priv->bt_ci_compliance = bt_ci_compliance;
1437 priv->bt_traffic_load = bt_load;
1438 priv->bt_status = bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001439 priv->bt_is_sco = bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001440}
1441
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001442static void iwl_bg_restart(struct work_struct *data)
Zhu Yib481de92007-09-25 17:54:57 -07001443{
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001444 struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
Zhu Yib481de92007-09-25 17:54:57 -07001445
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001446 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Zhu Yib481de92007-09-25 17:54:57 -07001447 return;
1448
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001449 if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001450 mutex_lock(&priv->shrd->mutex);
Johannes Berge43e85c2011-04-19 07:45:16 -07001451 iwlagn_prepare_restart(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001452 mutex_unlock(&priv->shrd->mutex);
Johannes Berga1174132010-08-23 07:56:59 -07001453 iwl_cancel_deferred_work(priv);
Johannes Berg19cc1082009-05-08 13:44:36 -07001454 ieee80211_restart_hw(priv->hw);
1455 } else {
Johannes Bergca7966c2011-04-22 10:15:23 -07001456 WARN_ON(1);
Johannes Berg19cc1082009-05-08 13:44:36 -07001457 }
Zhu Yib481de92007-09-25 17:54:57 -07001458}
1459
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001460
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001461
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001462
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001463void iwlagn_disable_roc(struct iwl_priv *priv)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001464{
1465 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
Johannes Berg9b9190d2011-01-06 08:07:10 -08001466
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001467 lockdep_assert_held(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001468
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001469 if (!priv->hw_roc_setup)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001470 return;
1471
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001472 ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001473 ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001474
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001475 priv->hw_roc_channel = NULL;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001476
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001477 memset(ctx->staging.node_addr, 0, ETH_ALEN);
1478
Wey-Yi Guy805a3b82011-06-03 07:54:16 -07001479 iwlagn_commit_rxon(priv, ctx);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001480
1481 ctx->is_active = false;
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001482 priv->hw_roc_setup = false;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001483}
1484
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001485static void iwlagn_disable_roc_work(struct work_struct *work)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001486{
1487 struct iwl_priv *priv = container_of(work, struct iwl_priv,
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001488 hw_roc_disable_work.work);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001489
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001490 mutex_lock(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001491 iwlagn_disable_roc(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001492 mutex_unlock(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001493}
1494
Zhu Yib481de92007-09-25 17:54:57 -07001495/*****************************************************************************
1496 *
Zhu Yib481de92007-09-25 17:54:57 -07001497 * driver setup and teardown
1498 *
1499 *****************************************************************************/
1500
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001501static void iwl_setup_deferred_work(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001502{
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001503 priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME);
Zhu Yib481de92007-09-25 17:54:57 -07001504
Emmanuel Grumbach3e10cae2011-09-06 09:31:18 -07001505 init_waitqueue_head(&priv->shrd->wait_command_queue);
Zhu Yib481de92007-09-25 17:54:57 -07001506
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001507 INIT_WORK(&priv->restart, iwl_bg_restart);
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001508 INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001509 INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
Wey-Yi Guy65550632010-06-24 13:18:35 -07001510 INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001511 INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
Wey-Yi Guyfbba9412010-08-23 07:57:10 -07001512 INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001513 INIT_DELAYED_WORK(&priv->hw_roc_disable_work,
1514 iwlagn_disable_roc_work);
Tomas Winkler2a421b92008-06-12 09:47:10 +08001515
Tomas Winkler2a421b92008-06-12 09:47:10 +08001516 iwl_setup_scan_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001517
Don Fry38622412011-12-16 07:07:36 -08001518 if (cfg(priv)->lib->bt_setup_deferred_work)
1519 cfg(priv)->lib->bt_setup_deferred_work(priv);
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001520
1521 init_timer(&priv->statistics_periodic);
1522 priv->statistics_periodic.data = (unsigned long)priv;
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001523 priv->statistics_periodic.function = iwl_bg_statistics_periodic;
Zhu Yib481de92007-09-25 17:54:57 -07001524
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08001525 init_timer(&priv->ucode_trace);
1526 priv->ucode_trace.data = (unsigned long)priv;
1527 priv->ucode_trace.function = iwl_bg_ucode_trace;
1528
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001529 init_timer(&priv->watchdog);
1530 priv->watchdog.data = (unsigned long)priv;
1531 priv->watchdog.function = iwl_bg_watchdog;
Zhu Yib481de92007-09-25 17:54:57 -07001532}
1533
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001534static void iwl_cancel_deferred_work(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001535{
Don Fry38622412011-12-16 07:07:36 -08001536 if (cfg(priv)->lib->cancel_deferred_work)
1537 cfg(priv)->lib->cancel_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001538
Wey-Yi Guy815e6292010-06-03 10:14:01 -07001539 cancel_work_sync(&priv->run_time_calib_work);
Zhu Yib481de92007-09-25 17:54:57 -07001540 cancel_work_sync(&priv->beacon_update);
Stanislaw Gruszkae7e16b92010-09-13 14:46:41 +02001541
1542 iwl_cancel_scan_deferred_work(priv);
1543
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001544 cancel_work_sync(&priv->bt_full_concurrency);
Wey-Yi Guyfbba9412010-08-23 07:57:10 -07001545 cancel_work_sync(&priv->bt_runtime_config);
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001546 cancel_delayed_work_sync(&priv->hw_roc_disable_work);
Stanislaw Gruszkae7e16b92010-09-13 14:46:41 +02001547
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001548 del_timer_sync(&priv->statistics_periodic);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08001549 del_timer_sync(&priv->ucode_trace);
Zhu Yib481de92007-09-25 17:54:57 -07001550}
1551
Reinette Chatre89f186a2009-10-30 14:36:11 -07001552static void iwl_init_hw_rates(struct iwl_priv *priv,
1553 struct ieee80211_rate *rates)
1554{
1555 int i;
1556
1557 for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
1558 rates[i].bitrate = iwl_rates[i].ieee * 5;
1559 rates[i].hw_value = i; /* Rate scaling will work on indexes */
1560 rates[i].hw_value_short = i;
1561 rates[i].flags = 0;
1562 if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
1563 /*
1564 * If CCK != 1M then set short preamble rate flag.
1565 */
1566 rates[i].flags |=
1567 (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
1568 0 : IEEE80211_RATE_SHORT_PREAMBLE;
1569 }
1570 }
1571}
1572
1573static int iwl_init_drv(struct iwl_priv *priv)
1574{
1575 int ret;
1576
Emmanuel Grumbachf39c95e2011-08-25 23:10:47 -07001577 spin_lock_init(&priv->shrd->sta_lock);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001578
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001579 mutex_init(&priv->shrd->mutex);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001580
Don Fry45c30db2011-11-30 16:58:39 -08001581 INIT_LIST_HEAD(&trans(priv)->calib_results);
Johannes Berg80e83da2011-11-25 11:11:44 -08001582
Reinette Chatre89f186a2009-10-30 14:36:11 -07001583 priv->ieee_channels = NULL;
1584 priv->ieee_rates = NULL;
1585 priv->band = IEEE80211_BAND_2GHZ;
1586
1587 priv->iw_mode = NL80211_IFTYPE_STATION;
Johannes Bergba37a3d2009-12-10 14:37:27 -08001588 priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
Wey-Yi Guya13d2762010-01-22 14:22:42 -08001589 priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001590 priv->agg_tids_count = 0;
Reinette Chatre89f186a2009-10-30 14:36:11 -07001591
Wey-Yi Guy8a472da2010-02-18 22:03:06 -08001592 /* initialize force reset */
1593 priv->force_reset[IWL_RF_RESET].reset_duration =
1594 IWL_DELAY_NEXT_FORCE_RF_RESET;
1595 priv->force_reset[IWL_FW_RESET].reset_duration =
1596 IWL_DELAY_NEXT_FORCE_FW_RELOAD;
Reinette Chatre89f186a2009-10-30 14:36:11 -07001597
Stanislaw Gruszka410f2bb2011-03-04 17:51:51 +01001598 priv->rx_statistics_jiffies = jiffies;
1599
Reinette Chatre89f186a2009-10-30 14:36:11 -07001600 /* Choose which receivers/antennas to use */
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -07001601 iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001602
1603 iwl_init_scan_params(priv);
1604
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001605 /* init bt coex */
Don Fry38622412011-12-16 07:07:36 -08001606 if (cfg(priv)->bt_params &&
1607 cfg(priv)->bt_params->advanced_bt_coexist) {
Wey-Yi Guyb6e116e2010-08-23 07:57:14 -07001608 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
1609 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
1610 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001611 priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
1612 priv->bt_duration = BT_DURATION_LIMIT_DEF;
1613 priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001614 }
1615
Reinette Chatre89f186a2009-10-30 14:36:11 -07001616 ret = iwl_init_channel_map(priv);
1617 if (ret) {
1618 IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
1619 goto err;
1620 }
1621
Wey-Yi Guyb39488a2011-08-25 23:10:33 -07001622 ret = iwl_init_geos(priv);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001623 if (ret) {
1624 IWL_ERR(priv, "initializing geos failed: %d\n", ret);
1625 goto err_free_channel_map;
1626 }
1627 iwl_init_hw_rates(priv, priv->ieee_rates);
1628
1629 return 0;
1630
1631err_free_channel_map:
1632 iwl_free_channel_map(priv);
1633err:
1634 return ret;
1635}
1636
1637static void iwl_uninit_drv(struct iwl_priv *priv)
1638{
Wey-Yi Guyb39488a2011-08-25 23:10:33 -07001639 iwl_free_geos(priv);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001640 iwl_free_channel_map(priv);
Emmanuel Grumbachdfa2bdb2011-08-25 23:11:23 -07001641 if (priv->tx_cmd_pool)
1642 kmem_cache_destroy(priv->tx_cmd_pool);
Johannes Berg811ecc92010-04-06 04:12:41 -07001643 kfree(priv->scan_cmd);
Johannes Berg4ce7cc22011-05-13 11:57:40 -07001644 kfree(priv->beacon_cmd);
Johannes Berg79d3eef2011-11-10 06:55:01 -08001645 kfree(rcu_dereference_raw(priv->noa_data));
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001646#ifdef CONFIG_IWLWIFI_DEBUGFS
1647 kfree(priv->wowlan_sram);
1648#endif
Reinette Chatre89f186a2009-10-30 14:36:11 -07001649}
1650
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001651
Zhu Yib481de92007-09-25 17:54:57 -07001652
Johannes Berge98a1302011-04-05 09:42:08 -07001653static u32 iwl_hw_detect(struct iwl_priv *priv)
Wey-Yi Guy3867fe02010-07-31 08:34:05 -07001654{
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001655 return iwl_read32(bus(priv), CSR_HW_REV);
Wey-Yi Guy3867fe02010-07-31 08:34:05 -07001656}
1657
Emmanuel Grumbachdda61a42011-08-25 23:11:11 -07001658/* Size of one Rx buffer in host DRAM */
1659#define IWL_RX_BUF_SIZE_4K (4 * 1024)
1660#define IWL_RX_BUF_SIZE_8K (8 * 1024)
1661
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001662static int iwl_set_hw_params(struct iwl_priv *priv)
1663{
Don Fry9d143e92011-04-20 15:23:57 -07001664 if (iwlagn_mod_params.amsdu_size_8K)
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001665 hw_params(priv).rx_page_order =
1666 get_order(IWL_RX_BUF_SIZE_8K);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001667 else
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001668 hw_params(priv).rx_page_order =
1669 get_order(IWL_RX_BUF_SIZE_4K);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001670
Johannes Berg74289942011-12-13 00:07:40 -08001671 if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
Don Fry38622412011-12-16 07:07:36 -08001672 cfg(priv)->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001673
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001674 hw_params(priv).num_ampdu_queues =
Don Fry38622412011-12-16 07:07:36 -08001675 cfg(priv)->base_params->num_of_ampdu_queues;
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001676 hw_params(priv).shadow_reg_enable =
Don Fry38622412011-12-16 07:07:36 -08001677 cfg(priv)->base_params->shadow_reg_enable;
1678 hw_params(priv).sku = cfg(priv)->sku;
1679 hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001680
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001681 /* Device-specific setup */
Don Fry38622412011-12-16 07:07:36 -08001682 return cfg(priv)->lib->set_hw_params(priv);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001683}
1684
Wey-Yi Guy119ea182011-04-18 09:34:06 -07001685
Wey-Yi Guy119ea182011-04-18 09:34:06 -07001686
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001687static void iwl_debug_config(struct iwl_priv *priv)
1688{
1689 dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUG "
1690#ifdef CONFIG_IWLWIFI_DEBUG
1691 "enabled\n");
1692#else
1693 "disabled\n");
1694#endif
1695 dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS "
1696#ifdef CONFIG_IWLWIFI_DEBUGFS
1697 "enabled\n");
1698#else
1699 "disabled\n");
1700#endif
1701 dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING "
1702#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
1703 "enabled\n");
1704#else
1705 "disabled\n");
1706#endif
1707
Wey-Yi Guy5ef15cc2011-11-30 13:24:06 -08001708 dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE "
1709#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001710 "enabled\n");
1711#else
1712 "disabled\n");
1713#endif
Wey-Yi Guy0cb38d62011-12-02 07:33:57 -08001714 dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_P2P "
1715#ifdef CONFIG_IWLWIFI_P2P
1716 "enabled\n");
1717#else
1718 "disabled\n");
1719#endif
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001720}
1721
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001722int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
1723 struct iwl_cfg *cfg)
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001724{
1725 int err = 0;
1726 struct iwl_priv *priv;
1727 struct ieee80211_hw *hw;
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001728 u16 num_mac;
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001729 u32 hw_rev;
1730
1731 /************************
1732 * 1. Allocating HW data
1733 ************************/
Don Fryfa06ec72011-10-14 12:54:46 -07001734 hw = iwl_alloc_all();
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001735 if (!hw) {
Don Fryfa06ec72011-10-14 12:54:46 -07001736 pr_err("%s: Cannot allocate network device\n", cfg->name);
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001737 err = -ENOMEM;
Emmanuel Grumbach807caf22011-06-09 02:55:55 -07001738 goto out;
1739 }
1740
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001741 priv = hw->priv;
Emmanuel Grumbachcac988a2011-08-25 23:10:37 -07001742 priv->shrd = &priv->_shrd;
Johannes Berg18d00772011-09-15 11:46:49 -07001743 bus->shrd = priv->shrd;
Emmanuel Grumbachcac988a2011-08-25 23:10:37 -07001744 priv->shrd->bus = bus;
1745 priv->shrd->priv = priv;
Emmanuel Grumbacha48709c2011-05-31 08:22:30 +03001746
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001747 priv->shrd->trans = trans_ops->alloc(priv->shrd);
1748 if (priv->shrd->trans == NULL) {
1749 err = -ENOMEM;
1750 goto out_free_traffic_mem;
1751 }
1752
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001753 /* At this point both hw and priv are allocated. */
Johannes Berg8f2d3d22010-08-23 10:46:37 +02001754
Don Fry26bfc0c2011-10-10 07:26:56 -07001755 SET_IEEE80211_DEV(hw, bus(priv)->dev);
Zhu Yib481de92007-09-25 17:54:57 -07001756
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001757 /* what debugging capabilities we have */
1758 iwl_debug_config(priv);
1759
Tomas Winklere1623442009-01-27 14:27:56 -08001760 IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
Don Fry38622412011-12-16 07:07:36 -08001761 cfg(priv) = cfg;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001762
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001763 /* is antenna coupling more than 35dB ? */
1764 priv->bt_ant_couple_ok =
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07001765 (iwlagn_mod_params.ant_coupling >
1766 IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
1767 true : false;
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001768
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08001769 /* enable/disable bt channel inhibition */
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07001770 priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce;
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08001771 IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
1772 (priv->bt_ch_announce) ? "On" : "Off");
Wey-Yi Guyf37837c2010-08-23 07:57:12 -07001773
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001774 if (iwl_alloc_traffic_mem(priv))
1775 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
Zhu Yib481de92007-09-25 17:54:57 -07001776
Reinette Chatre731a29b2009-12-14 14:12:11 -08001777 /* these spin locks will be used in apm_ops.init and EEPROM access
Mohamed Abbasa8b50a02009-05-22 11:01:47 -07001778 * we should init now
1779 */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001780 spin_lock_init(&bus(priv)->reg_lock);
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001781 spin_lock_init(&priv->shrd->lock);
Reinette Chatre4843b5a2010-02-03 09:38:59 -08001782
1783 /*
1784 * stop and reset the on-board processor just in case it is in a
1785 * strange state ... like being left stranded by a primary kernel
1786 * and this is now the kdump kernel trying to start up
1787 */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001788 iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
Reinette Chatre4843b5a2010-02-03 09:38:59 -08001789
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001790 /***********************
1791 * 3. Read REV register
1792 ***********************/
Johannes Berge98a1302011-04-05 09:42:08 -07001793 hw_rev = iwl_hw_detect(priv);
Shanyu Zhaoc11362c2010-03-05 17:05:20 -08001794 IWL_INFO(priv, "Detected %s, REV=0x%X\n",
Don Fry38622412011-12-16 07:07:36 -08001795 cfg(priv)->name, hw_rev);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001796
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001797 err = iwl_trans_request_irq(trans(priv));
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001798 if (err)
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001799 goto out_free_trans;
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001800
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001801 if (iwl_trans_prepare_card_hw(trans(priv))) {
Emmanuel Grumbachbcd4fe22011-06-09 02:55:54 -07001802 err = -EIO;
Mohamed Abbas086ed112009-05-22 11:01:54 -07001803 IWL_WARN(priv, "Failed, HW not ready\n");
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001804 goto out_free_trans;
Mohamed Abbas086ed112009-05-22 11:01:54 -07001805 }
1806
Assaf Krauss316c30d2008-03-14 10:38:46 -07001807 /*****************
1808 * 4. Read EEPROM
1809 *****************/
Assaf Krauss316c30d2008-03-14 10:38:46 -07001810 /* Read the EEPROM */
Johannes Berge98a1302011-04-05 09:42:08 -07001811 err = iwl_eeprom_init(priv, hw_rev);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001812 if (err) {
Winkler, Tomas15b16872008-12-19 10:37:33 +08001813 IWL_ERR(priv, "Unable to init EEPROM\n");
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001814 goto out_free_trans;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001815 }
Tomas Winkler8614f362008-04-23 17:14:55 -07001816 err = iwl_eeprom_check_version(priv);
1817 if (err)
Reinette Chatrec8f16132009-02-27 16:21:22 -08001818 goto out_free_eeprom;
Tomas Winkler8614f362008-04-23 17:14:55 -07001819
Wey-Yi Guy21a5b3c2010-11-10 13:32:59 -08001820 err = iwl_eeprom_check_sku(priv);
1821 if (err)
1822 goto out_free_eeprom;
1823
Ron Rindjunsky02883012008-05-15 13:53:53 +08001824 /* extract MAC Address */
Don Fryab36eab2011-11-30 15:37:32 -08001825 iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr);
Wey-Yi Guyc6fa17e2010-07-15 05:58:30 -07001826 IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
1827 priv->hw->wiphy->addresses = priv->addresses;
1828 priv->hw->wiphy->n_addresses = 1;
Don Fryab36eab2011-11-30 15:37:32 -08001829 num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS);
Wey-Yi Guyc6fa17e2010-07-15 05:58:30 -07001830 if (num_mac > 1) {
1831 memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
1832 ETH_ALEN);
1833 priv->addresses[1].addr[5]++;
1834 priv->hw->wiphy->n_addresses++;
1835 }
Assaf Krauss316c30d2008-03-14 10:38:46 -07001836
1837 /************************
1838 * 5. Setup HW constants
1839 ************************/
Ron Rindjunskyda154e302008-06-30 17:23:20 +08001840 if (iwl_set_hw_params(priv)) {
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001841 err = -ENOENT;
Winkler, Tomas15b16872008-12-19 10:37:33 +08001842 IWL_ERR(priv, "failed to set hw parameters\n");
Tomas Winkler073d3f52008-04-21 15:41:52 -07001843 goto out_free_eeprom;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001844 }
1845
1846 /*******************
Tomas Winkler6ba87952008-05-15 13:54:17 +08001847 * 6. Setup priv
Assaf Krauss316c30d2008-03-14 10:38:46 -07001848 *******************/
Zhu Yib481de92007-09-25 17:54:57 -07001849
Tomas Winkler6ba87952008-05-15 13:54:17 +08001850 err = iwl_init_drv(priv);
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001851 if (err)
Ron Rindjunsky399f4902008-04-23 17:14:56 -07001852 goto out_free_eeprom;
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001853 /* At this point both hw and priv are initialized. */
Assaf Krauss316c30d2008-03-14 10:38:46 -07001854
Assaf Krauss316c30d2008-03-14 10:38:46 -07001855 /********************
Abhijeet Kolekar09f9bf72009-04-20 14:37:03 -07001856 * 7. Setup services
Assaf Krauss316c30d2008-03-14 10:38:46 -07001857 ********************/
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001858 iwl_setup_deferred_work(priv);
Emmanuel Grumbach653fa4a2008-06-30 17:23:11 +08001859 iwl_setup_rx_handlers(priv);
Cindy H. Kao4613e722011-05-06 10:40:15 -07001860 iwl_testmode_init(priv);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001861
Johannes Berg158bea02010-01-22 14:22:53 -08001862 /*********************************************
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001863 * 8. Enable interrupts
Johannes Berg158bea02010-01-22 14:22:53 -08001864 *********************************************/
Tomas Winkler6ba87952008-05-15 13:54:17 +08001865
Stanislaw Gruszka554d1d02010-12-23 12:38:21 +01001866 iwl_enable_rfkill_int(priv);
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001867
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001868 /* If platform's RF_KILL switch is NOT set to KILL */
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001869 if (iwl_read32(bus(priv),
1870 CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001871 clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001872 else
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001873 set_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
Tomas Winkler6ba87952008-05-15 13:54:17 +08001874
Johannes Berga60e77e2009-06-04 18:26:06 +02001875 wiphy_rfkill_set_hw_state(priv->hw->wiphy,
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001876 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001877
Emmanuel Grumbach58d0f362008-06-12 09:47:19 +08001878 iwl_power_initialize(priv);
Wey-Yi Guy39b73fb12009-07-24 11:13:02 -07001879 iwl_tt_initialize(priv);
Johannes Berg158bea02010-01-22 14:22:53 -08001880
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001881 init_completion(&priv->firmware_loading_complete);
Johannes Berg562db532010-04-29 07:41:53 -07001882
Johannes Bergb08dfd02010-01-29 11:54:56 -08001883 err = iwl_request_firmware(priv, true);
Johannes Berg158bea02010-01-22 14:22:53 -08001884 if (err)
Emmanuel Grumbach7d476182010-05-23 00:14:08 -07001885 goto out_destroy_workqueue;
Johannes Berg158bea02010-01-22 14:22:53 -08001886
Zhu Yib481de92007-09-25 17:54:57 -07001887 return 0;
1888
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001889out_destroy_workqueue:
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001890 destroy_workqueue(priv->shrd->workqueue);
1891 priv->shrd->workqueue = NULL;
Tomas Winkler6ba87952008-05-15 13:54:17 +08001892 iwl_uninit_drv(priv);
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001893out_free_eeprom:
Don Fryab36eab2011-11-30 15:37:32 -08001894 iwl_eeprom_free(priv->shrd);
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001895out_free_trans:
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001896 iwl_trans_free(trans(priv));
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001897out_free_traffic_mem:
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001898 iwl_free_traffic_mem(priv);
Wey-Yi Guyd7c76f42009-10-09 13:20:17 -07001899 ieee80211_free_hw(priv->hw);
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001900out:
Zhu Yib481de92007-09-25 17:54:57 -07001901 return err;
1902}
1903
Emmanuel Grumbacha48709c2011-05-31 08:22:30 +03001904void __devexit iwl_remove(struct iwl_priv * priv)
Zhu Yib481de92007-09-25 17:54:57 -07001905{
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001906 wait_for_completion(&priv->firmware_loading_complete);
Johannes Berg562db532010-04-29 07:41:53 -07001907
Tomas Winklere1623442009-01-27 14:27:56 -08001908 IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
Zhu Yib481de92007-09-25 17:54:57 -07001909
Emmanuel Grumbach67249622008-05-29 16:35:26 +08001910 iwl_dbgfs_unregister(priv);
Emmanuel Grumbach67249622008-05-29 16:35:26 +08001911
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001912 /* ieee80211_unregister_hw call wil cause iwlagn_mac_stop to
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001913 * to be called and iwl_down since we are removing the device
Gregory Greenman0b124c32008-09-03 11:18:50 +08001914 * we need to set STATUS_EXIT_PENDING bit.
1915 */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001916 set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Wey-Yi Guy5ed540a2011-01-21 15:26:39 -08001917
Wey-Yi Guy7a4e5282011-05-06 10:21:28 -07001918 iwl_testmode_cleanup(priv);
Don Fry09af1402011-12-09 10:07:38 -08001919 iwlagn_mac_unregister(priv);
Ron Rindjunskyc4f55232008-03-28 16:21:10 -07001920
Wey-Yi Guy39b73fb12009-07-24 11:13:02 -07001921 iwl_tt_exit(priv);
1922
Emmanuel Grumbachae2c30b2011-08-25 23:11:20 -07001923 /*This will stop the queues, move the device to low power state */
1924 iwl_trans_stop_device(trans(priv));
Mohamed Abbas0359fac2008-03-28 16:21:08 -07001925
Don Fryde7f5f92011-11-10 06:55:10 -08001926 iwl_dealloc_ucode(trans(priv));
Zhu Yib481de92007-09-25 17:54:57 -07001927
Don Fryab36eab2011-11-30 15:37:32 -08001928 iwl_eeprom_free(priv->shrd);
Zhu Yib481de92007-09-25 17:54:57 -07001929
Mohamed Abbas948c1712007-10-25 17:15:45 +08001930 /*netif_stop_queue(dev); */
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001931 flush_workqueue(priv->shrd->workqueue);
Mohamed Abbas948c1712007-10-25 17:15:45 +08001932
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001933 /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001934 * priv->shrd->workqueue... so we can't take down the workqueue
Zhu Yib481de92007-09-25 17:54:57 -07001935 * until now... */
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001936 destroy_workqueue(priv->shrd->workqueue);
1937 priv->shrd->workqueue = NULL;
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001938 iwl_free_traffic_mem(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001939
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001940 iwl_trans_free(trans(priv));
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001941
Tomas Winkler6ba87952008-05-15 13:54:17 +08001942 iwl_uninit_drv(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001943
Johannes Berg77834542010-10-04 05:50:36 -07001944 dev_kfree_skb(priv->beacon_skb);
Zhu Yib481de92007-09-25 17:54:57 -07001945
1946 ieee80211_free_hw(priv->hw);
1947}
1948
Zhu Yib481de92007-09-25 17:54:57 -07001949
1950/*****************************************************************************
1951 *
1952 * driver and module entry point
1953 *
1954 *****************************************************************************/
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001955static int __init iwl_init(void)
Zhu Yib481de92007-09-25 17:54:57 -07001956{
1957
1958 int ret;
Joe Perchesc96c31e2010-07-26 14:39:58 -07001959 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
1960 pr_info(DRV_COPYRIGHT "\n");
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001961
Tomas Winklere227cea2008-07-18 13:53:05 +08001962 ret = iwlagn_rate_control_register();
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001963 if (ret) {
Joe Perchesc96c31e2010-07-26 14:39:58 -07001964 pr_err("Unable to register rate control algorithm: %d\n", ret);
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001965 return ret;
1966 }
1967
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03001968 ret = iwl_pci_register_driver();
Zhu Yib481de92007-09-25 17:54:57 -07001969
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03001970 if (ret)
1971 goto error_register;
Zhu Yib481de92007-09-25 17:54:57 -07001972 return ret;
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001973
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001974error_register:
Tomas Winklere227cea2008-07-18 13:53:05 +08001975 iwlagn_rate_control_unregister();
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001976 return ret;
Zhu Yib481de92007-09-25 17:54:57 -07001977}
1978
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001979static void __exit iwl_exit(void)
Zhu Yib481de92007-09-25 17:54:57 -07001980{
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03001981 iwl_pci_unregister_driver();
Tomas Winklere227cea2008-07-18 13:53:05 +08001982 iwlagn_rate_control_unregister();
Zhu Yib481de92007-09-25 17:54:57 -07001983}
1984
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001985module_exit(iwl_exit);
1986module_init(iwl_init);
Reinette Chatrea562a9d2009-07-17 09:30:24 -07001987
1988#ifdef CONFIG_IWLWIFI_DEBUG
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07001989module_param_named(debug, iwlagn_mod_params.debug_level, uint,
1990 S_IRUGO | S_IWUSR);
Reinette Chatrea562a9d2009-07-17 09:30:24 -07001991MODULE_PARM_DESC(debug, "debug output mask");
1992#endif
1993
Wey-Yi Guy2b068612010-03-22 09:17:39 -07001994module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
1995MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07001996module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
1997MODULE_PARM_DESC(queues_num, "number of hw queues.");
Johannes Berg74289942011-12-13 00:07:40 -08001998module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO);
1999MODULE_PARM_DESC(11n_disable,
2000 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002001module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
2002 int, S_IRUGO);
2003MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002004module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
2005MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
Johannes Bergdd7a2502010-04-28 23:33:10 -07002006
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002007module_param_named(ucode_alternative,
2008 iwlagn_mod_params.wanted_ucode_alternative,
2009 int, S_IRUGO);
Johannes Bergdd7a2502010-04-28 23:33:10 -07002010MODULE_PARM_DESC(ucode_alternative,
2011 "specify ucode alternative to use from ucode file");
Wey-Yi Guybee008b2010-08-23 07:57:04 -07002012
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002013module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling,
2014 int, S_IRUGO);
Wey-Yi Guybee008b2010-08-23 07:57:04 -07002015MODULE_PARM_DESC(antenna_coupling,
2016 "specify antenna coupling in dB (defualt: 0 dB)");
Wey-Yi Guyf37837c2010-08-23 07:57:12 -07002017
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002018module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce,
2019 bool, S_IRUGO);
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08002020MODULE_PARM_DESC(bt_ch_inhibition,
Wey-Yi Guyfee84f0d2011-08-25 23:10:57 -07002021 "Enable BT channel inhibition (default: enable)");
Stanislaw Gruszkab7977ff2011-02-28 14:33:15 +01002022
2023module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
2024MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
2025
2026module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
2027MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
Wey-Yi Guyb60eec92011-06-03 13:52:38 -07002028
Wey-Yi Guy9995ffe2011-12-02 08:19:19 -08002029module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
Wey-Yi Guy300d0832011-06-25 09:17:41 -07002030MODULE_PARM_DESC(wd_disable,
Wey-Yi Guy9995ffe2011-12-02 08:19:19 -08002031 "Disable stuck queue watchdog timer 0=system default, "
2032 "1=disable, 2=enable (default: 0)");
Wey-Yi Guy300d0832011-06-25 09:17:41 -07002033
Wey-Yi Guyb60eec92011-06-03 13:52:38 -07002034/*
2035 * set bt_coex_active to true, uCode will do kill/defer
2036 * every time the priority line is asserted (BT is sending signals on the
2037 * priority line in the PCIx).
2038 * set bt_coex_active to false, uCode will ignore the BT activity and
2039 * perform the normal operation
2040 *
2041 * User might experience transmit issue on some platform due to WiFi/BT
2042 * co-exist problem. The possible behaviors are:
2043 * Able to scan and finding all the available AP
2044 * Not able to associate with any AP
2045 * On those platforms, WiFi communication can be restored by set
2046 * "bt_coex_active" module parameter to "false"
2047 *
2048 * default: bt_coex_active = true (BT_COEX_ENABLE)
2049 */
2050module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active,
2051 bool, S_IRUGO);
2052MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
Wey-Yi Guy6b0184c2011-06-03 13:52:39 -07002053
2054module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO);
2055MODULE_PARM_DESC(led_mode, "0=system default, "
2056 "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)");
Wey-Yi Guy3f1e5f42011-06-03 13:52:40 -07002057
Wey-Yi Guy0172b022011-06-11 10:00:05 -07002058module_param_named(power_save, iwlagn_mod_params.power_save,
2059 bool, S_IRUGO);
2060MODULE_PARM_DESC(power_save,
2061 "enable WiFi power management (default: disable)");
2062
Wey-Yi Guyf7538162011-06-11 10:00:06 -07002063module_param_named(power_level, iwlagn_mod_params.power_level,
2064 int, S_IRUGO);
2065MODULE_PARM_DESC(power_level,
2066 "default power save level (range from 1 - 5, default: 1)");
2067
Wey-Yi Guydd5b6d02011-08-25 23:10:55 -07002068module_param_named(auto_agg, iwlagn_mod_params.auto_agg,
2069 bool, S_IRUGO);
2070MODULE_PARM_DESC(auto_agg,
2071 "enable agg w/o check traffic load (default: enable)");
2072
Wey-Yi Guy3f1e5f42011-06-03 13:52:40 -07002073/*
2074 * For now, keep using power level 1 instead of automatically
2075 * adjusting ...
2076 */
2077module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust,
2078 bool, S_IRUGO);
2079MODULE_PARM_DESC(no_sleep_autoadjust,
2080 "don't automatically adjust sleep level "
2081 "according to maximum network latency (default: true)");