blob: 5ab7f681991ecb63f38fd5b63fa473149de21c97 [file] [log] [blame]
Zhu Yib481de92007-09-25 17:54:57 -07001/******************************************************************************
2 *
Wey-Yi Guy4e318262011-12-27 11:21:32 -08003 * Copyright(c) 2003 - 2012 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,
Johannes Berg98d4bf02012-01-13 11:56:11 +0100318 u32 capacity, u32 mode)
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800319{
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 Grumbach1042db22012-01-03 16:56:15 +0200331 spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags);
332 if (iwl_grab_nic_access(trans(priv))) {
333 spin_unlock_irqrestore(&trans(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 Grumbach1042db22012-01-03 16:56:15 +0200338 iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800339 rmb();
340
341 /*
Johannes Berg98d4bf02012-01-13 11:56:11 +0100342 * Refuse to read more than would have fit into the log from
343 * the current start_idx. This used to happen due to the race
344 * described below, but now WARN because the code below should
345 * prevent it from happening here.
346 */
347 if (WARN_ON(num_events > capacity - start_idx))
348 num_events = capacity - start_idx;
349
350 /*
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800351 * "time" is actually "data" for mode 0 (no timestamp).
352 * place event id # at far right for easier visual parsing.
353 */
354 for (i = 0; i < num_events; i++) {
Emmanuel Grumbach1042db22012-01-03 16:56:15 +0200355 ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
356 time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800357 if (mode == 0) {
Johannes Berg98d4bf02012-01-13 11:56:11 +0100358 trace_iwlwifi_dev_ucode_cont_event(priv, 0, time, ev);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800359 } else {
Emmanuel Grumbach1042db22012-01-03 16:56:15 +0200360 data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
Johannes Berg98d4bf02012-01-13 11:56:11 +0100361 trace_iwlwifi_dev_ucode_cont_event(priv, time,
362 data, ev);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800363 }
364 }
365 /* Allow device to power down */
Emmanuel Grumbach1042db22012-01-03 16:56:15 +0200366 iwl_release_nic_access(trans(priv));
367 spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800368}
369
Johannes Berg875295f2010-01-22 14:22:55 -0800370static void iwl_continuous_event_trace(struct iwl_priv *priv)
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800371{
372 u32 capacity; /* event log capacity in # entries */
Johannes Berg98d4bf02012-01-13 11:56:11 +0100373 struct {
374 u32 capacity;
375 u32 mode;
376 u32 wrap_counter;
377 u32 write_counter;
378 } __packed read;
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800379 u32 base; /* SRAM byte address of event log header */
380 u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
381 u32 num_wraps; /* # times uCode wrapped to top of log */
382 u32 next_entry; /* index of next entry to be written by uCode */
383
Johannes Berg98d4bf02012-01-13 11:56:11 +0100384 base = priv->shrd->device_pointers.log_event_table;
Fry, Donald H4caab322011-07-07 15:24:07 -0700385 if (iwlagn_hw_valid_rtc_data_addr(base)) {
Emmanuel Grumbach1042db22012-01-03 16:56:15 +0200386 iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read));
Johannes Berg98d4bf02012-01-13 11:56:11 +0100387
388 capacity = read.capacity;
389 mode = read.mode;
390 num_wraps = read.wrap_counter;
391 next_entry = read.write_counter;
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800392 } else
393 return;
394
Johannes Berg98d4bf02012-01-13 11:56:11 +0100395 /*
396 * Unfortunately, the uCode doesn't use temporary variables.
397 * Therefore, it can happen that we read next_entry == capacity,
398 * which really means next_entry == 0.
399 */
400 if (unlikely(next_entry == capacity))
401 next_entry = 0;
402 /*
403 * Additionally, the uCode increases the write pointer before
404 * the wraps counter, so if the write pointer is smaller than
405 * the old write pointer (wrap occurred) but we read that no
406 * wrap occurred, we actually read between the next_entry and
407 * num_wraps update (this does happen in practice!!) -- take
408 * that into account by increasing num_wraps.
409 */
410 if (unlikely(next_entry < priv->event_log.next_entry &&
411 num_wraps == priv->event_log.num_wraps))
412 num_wraps++;
413
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800414 if (num_wraps == priv->event_log.num_wraps) {
Johannes Berg98d4bf02012-01-13 11:56:11 +0100415 iwl_print_cont_event_trace(
416 priv, base, priv->event_log.next_entry,
417 next_entry - priv->event_log.next_entry,
418 capacity, mode);
419
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800420 priv->event_log.non_wraps_count++;
421 } else {
Johannes Berg98d4bf02012-01-13 11:56:11 +0100422 if (num_wraps - priv->event_log.num_wraps > 1)
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800423 priv->event_log.wraps_more_count++;
424 else
425 priv->event_log.wraps_once_count++;
Johannes Berg98d4bf02012-01-13 11:56:11 +0100426
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800427 trace_iwlwifi_dev_ucode_wrap_event(priv,
428 num_wraps - priv->event_log.num_wraps,
429 next_entry, priv->event_log.next_entry);
Johannes Berg98d4bf02012-01-13 11:56:11 +0100430
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800431 if (next_entry < priv->event_log.next_entry) {
Johannes Berg98d4bf02012-01-13 11:56:11 +0100432 iwl_print_cont_event_trace(
433 priv, base, priv->event_log.next_entry,
434 capacity - priv->event_log.next_entry,
435 capacity, mode);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800436
Johannes Berg98d4bf02012-01-13 11:56:11 +0100437 iwl_print_cont_event_trace(
438 priv, base, 0, next_entry, capacity, mode);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800439 } else {
Johannes Berg98d4bf02012-01-13 11:56:11 +0100440 iwl_print_cont_event_trace(
441 priv, base, next_entry,
442 capacity - next_entry,
443 capacity, mode);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800444
Johannes Berg98d4bf02012-01-13 11:56:11 +0100445 iwl_print_cont_event_trace(
446 priv, base, 0, next_entry, capacity, mode);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800447 }
448 }
Johannes Berg98d4bf02012-01-13 11:56:11 +0100449
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800450 priv->event_log.num_wraps = num_wraps;
451 priv->event_log.next_entry = next_entry;
452}
453
454/**
455 * iwl_bg_ucode_trace - Timer callback to log ucode event
456 *
457 * The timer is continually set to execute every
458 * UCODE_TRACE_PERIOD milliseconds after the last timer expired
459 * this function is to perform continuous uCode event logging operation
460 * if enabled
461 */
462static void iwl_bg_ucode_trace(unsigned long data)
463{
464 struct iwl_priv *priv = (struct iwl_priv *)data;
465
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700466 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -0800467 return;
468
469 if (priv->event_log.ucode_trace) {
470 iwl_continuous_event_trace(priv);
471 /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
472 mod_timer(&priv->ucode_trace,
473 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
474 }
475}
476
Wey-Yi Guy65550632010-06-24 13:18:35 -0700477static void iwl_bg_tx_flush(struct work_struct *work)
478{
479 struct iwl_priv *priv =
480 container_of(work, struct iwl_priv, tx_flush);
481
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -0700482 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Wey-Yi Guy65550632010-06-24 13:18:35 -0700483 return;
484
485 /* do nothing if rf-kill is on */
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -0700486 if (!iwl_is_ready_rf(priv->shrd))
Wey-Yi Guy65550632010-06-24 13:18:35 -0700487 return;
488
Wey-Yi Guyc68744f2011-06-18 08:03:18 -0700489 IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
490 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
Wey-Yi Guy65550632010-06-24 13:18:35 -0700491}
492
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700493static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
494{
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700495 int i;
496
497 /*
498 * The default context is always valid,
499 * the PAN context depends on uCode.
500 */
Emmanuel Grumbach7a10e3e42011-09-06 09:31:21 -0700501 priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700502 if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
Emmanuel Grumbach7a10e3e42011-09-06 09:31:21 -0700503 priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700504
505 for (i = 0; i < NUM_IWL_RXON_CTX; i++)
506 priv->contexts[i].ctxid = i;
507
508 priv->contexts[IWL_RXON_CTX_BSS].always_active = true;
509 priv->contexts[IWL_RXON_CTX_BSS].is_active = true;
510 priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
511 priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
512 priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
513 priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
514 priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
515 priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700516 priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
517 BIT(NL80211_IFTYPE_ADHOC);
518 priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
519 BIT(NL80211_IFTYPE_STATION);
520 priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP;
521 priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
522 priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
523 priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
524
525 priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
526 priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
527 REPLY_WIPAN_RXON_TIMING;
528 priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd =
529 REPLY_WIPAN_RXON_ASSOC;
530 priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
531 priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
532 priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
533 priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
534 priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700535 priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
536 BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
Johannes Bergc6baf7f2011-07-23 10:24:47 -0700537
538 if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P)
539 priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
540 BIT(NL80211_IFTYPE_P2P_CLIENT) |
541 BIT(NL80211_IFTYPE_P2P_GO);
542
Johannes Berg4d2a5d02011-07-23 10:24:46 -0700543 priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
544 priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
545 priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
546
547 BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
548}
549
Johannes Bergb08dfd02010-01-29 11:54:56 -0800550static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800551
Jay Sternberg39396082010-08-12 10:24:07 -0700552#define UCODE_EXPERIMENTAL_INDEX 100
553#define UCODE_EXPERIMENTAL_TAG "exp"
554
Johannes Bergb08dfd02010-01-29 11:54:56 -0800555static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
Zhu Yib481de92007-09-25 17:54:57 -0700556{
Don Fry38622412011-12-16 07:07:36 -0800557 const char *name_pre = cfg(priv)->fw_name_pre;
Jay Sternberg39396082010-08-12 10:24:07 -0700558 char tag[8];
Johannes Bergb08dfd02010-01-29 11:54:56 -0800559
Jay Sternberg39396082010-08-12 10:24:07 -0700560 if (first) {
561#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
562 priv->fw_index = UCODE_EXPERIMENTAL_INDEX;
563 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
564 } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
565#endif
Don Fry38622412011-12-16 07:07:36 -0800566 priv->fw_index = cfg(priv)->ucode_api_max;
Jay Sternberg39396082010-08-12 10:24:07 -0700567 sprintf(tag, "%d", priv->fw_index);
568 } else {
Johannes Bergb08dfd02010-01-29 11:54:56 -0800569 priv->fw_index--;
Jay Sternberg39396082010-08-12 10:24:07 -0700570 sprintf(tag, "%d", priv->fw_index);
571 }
Johannes Bergb08dfd02010-01-29 11:54:56 -0800572
Don Fry38622412011-12-16 07:07:36 -0800573 if (priv->fw_index < cfg(priv)->ucode_api_min) {
Johannes Bergb08dfd02010-01-29 11:54:56 -0800574 IWL_ERR(priv, "no suitable firmware found!\n");
575 return -ENOENT;
576 }
577
Jay Sternberg39396082010-08-12 10:24:07 -0700578 sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
Johannes Bergb08dfd02010-01-29 11:54:56 -0800579
Jay Sternberg39396082010-08-12 10:24:07 -0700580 IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n",
581 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
582 ? "EXPERIMENTAL " : "",
Johannes Bergb08dfd02010-01-29 11:54:56 -0800583 priv->firmware_name);
584
585 return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
Emmanuel Grumbach1042db22012-01-03 16:56:15 +0200586 trans(priv)->dev,
Emmanuel Grumbach3599d392011-05-31 08:52:10 +0300587 GFP_KERNEL, priv, iwl_ucode_callback);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800588}
589
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700590struct iwlagn_firmware_pieces {
Johannes Bergc8ac61c2011-07-15 13:23:45 -0700591 const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data;
592 size_t inst_size, data_size, init_size, init_data_size,
593 wowlan_inst_size, wowlan_data_size;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700594
595 u32 build;
Johannes Bergb2e640d2010-05-05 23:24:54 -0700596
597 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
598 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700599};
600
601static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
602 const struct firmware *ucode_raw,
603 struct iwlagn_firmware_pieces *pieces)
604{
605 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
606 u32 api_ver, hdr_size;
607 const u8 *src;
608
609 priv->ucode_ver = le32_to_cpu(ucode->ver);
610 api_ver = IWL_UCODE_API(priv->ucode_ver);
611
612 switch (api_ver) {
613 default:
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700614 hdr_size = 28;
615 if (ucode_raw->size < hdr_size) {
616 IWL_ERR(priv, "File size too small!\n");
617 return -EINVAL;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700618 }
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700619 pieces->build = le32_to_cpu(ucode->u.v2.build);
620 pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
621 pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
622 pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
623 pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
Wey-Yi Guyf7d046f2011-03-22 08:05:37 -0700624 src = ucode->u.v2.data;
625 break;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700626 case 0:
627 case 1:
628 case 2:
629 hdr_size = 24;
630 if (ucode_raw->size < hdr_size) {
631 IWL_ERR(priv, "File size too small!\n");
632 return -EINVAL;
633 }
634 pieces->build = 0;
635 pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
636 pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
637 pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
638 pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700639 src = ucode->u.v1.data;
640 break;
641 }
642
643 /* Verify size of file vs. image size info in file's header */
644 if (ucode_raw->size != hdr_size + pieces->inst_size +
645 pieces->data_size + pieces->init_size +
Johannes Berg1fc35272011-04-05 09:41:57 -0700646 pieces->init_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700647
648 IWL_ERR(priv,
649 "uCode file size %d does not match expected size\n",
650 (int)ucode_raw->size);
651 return -EINVAL;
652 }
653
654 pieces->inst = src;
655 src += pieces->inst_size;
656 pieces->data = src;
657 src += pieces->data_size;
658 pieces->init = src;
659 src += pieces->init_size;
660 pieces->init_data = src;
661 src += pieces->init_data_size;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700662
663 return 0;
664}
665
Johannes Bergdd7a2502010-04-28 23:33:10 -0700666static int iwlagn_load_firmware(struct iwl_priv *priv,
667 const struct firmware *ucode_raw,
668 struct iwlagn_firmware_pieces *pieces,
669 struct iwlagn_ucode_capabilities *capa)
670{
671 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
672 struct iwl_ucode_tlv *tlv;
673 size_t len = ucode_raw->size;
674 const u8 *data;
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -0700675 int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative;
676 int tmp;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700677 u64 alternatives;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700678 u32 tlv_len;
679 enum iwl_ucode_tlv_type tlv_type;
680 const u8 *tlv_data;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700681
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700682 if (len < sizeof(*ucode)) {
683 IWL_ERR(priv, "uCode has invalid length: %zd\n", len);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700684 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700685 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700686
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700687 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
688 IWL_ERR(priv, "invalid uCode magic: 0X%x\n",
689 le32_to_cpu(ucode->magic));
Johannes Bergdd7a2502010-04-28 23:33:10 -0700690 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700691 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700692
693 /*
694 * Check which alternatives are present, and "downgrade"
695 * when the chosen alternative is not present, warning
696 * the user when that happens. Some files may not have
697 * any alternatives, so don't warn in that case.
698 */
699 alternatives = le64_to_cpu(ucode->alternatives);
700 tmp = wanted_alternative;
701 if (wanted_alternative > 63)
702 wanted_alternative = 63;
703 while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
704 wanted_alternative--;
705 if (wanted_alternative && wanted_alternative != tmp)
706 IWL_WARN(priv,
707 "uCode alternative %d not available, choosing %d\n",
708 tmp, wanted_alternative);
709
710 priv->ucode_ver = le32_to_cpu(ucode->ver);
711 pieces->build = le32_to_cpu(ucode->build);
712 data = ucode->data;
713
714 len -= sizeof(*ucode);
715
Johannes Berg704da532010-07-14 09:34:50 -0700716 while (len >= sizeof(*tlv)) {
Johannes Bergdd7a2502010-04-28 23:33:10 -0700717 u16 tlv_alt;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700718
719 len -= sizeof(*tlv);
720 tlv = (void *)data;
721
722 tlv_len = le32_to_cpu(tlv->length);
723 tlv_type = le16_to_cpu(tlv->type);
724 tlv_alt = le16_to_cpu(tlv->alternative);
725 tlv_data = tlv->data;
726
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700727 if (len < tlv_len) {
728 IWL_ERR(priv, "invalid TLV len: %zd/%u\n",
729 len, tlv_len);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700730 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700731 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700732 len -= ALIGN(tlv_len, 4);
733 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
734
735 /*
736 * Alternative 0 is always valid.
737 *
738 * Skip alternative TLVs that are not selected.
739 */
740 if (tlv_alt != 0 && tlv_alt != wanted_alternative)
741 continue;
742
743 switch (tlv_type) {
744 case IWL_UCODE_TLV_INST:
745 pieces->inst = tlv_data;
746 pieces->inst_size = tlv_len;
747 break;
748 case IWL_UCODE_TLV_DATA:
749 pieces->data = tlv_data;
750 pieces->data_size = tlv_len;
751 break;
752 case IWL_UCODE_TLV_INIT:
753 pieces->init = tlv_data;
754 pieces->init_size = tlv_len;
755 break;
756 case IWL_UCODE_TLV_INIT_DATA:
757 pieces->init_data = tlv_data;
758 pieces->init_data_size = tlv_len;
759 break;
760 case IWL_UCODE_TLV_BOOT:
Johannes Berg1fc35272011-04-05 09:41:57 -0700761 IWL_ERR(priv, "Found unexpected BOOT ucode\n");
Johannes Bergdd7a2502010-04-28 23:33:10 -0700762 break;
763 case IWL_UCODE_TLV_PROBE_MAX_LEN:
Johannes Berg704da532010-07-14 09:34:50 -0700764 if (tlv_len != sizeof(u32))
765 goto invalid_tlv_len;
766 capa->max_probe_length =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700767 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700768 break;
Johannes Bergece9c4e2010-08-23 10:46:49 +0200769 case IWL_UCODE_TLV_PAN:
770 if (tlv_len)
771 goto invalid_tlv_len;
Johannes Berg3997ff32011-04-05 09:42:02 -0700772 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
773 break;
774 case IWL_UCODE_TLV_FLAGS:
775 /* must be at least one u32 */
776 if (tlv_len < sizeof(u32))
777 goto invalid_tlv_len;
778 /* and a proper number of u32s */
779 if (tlv_len % sizeof(u32))
780 goto invalid_tlv_len;
781 /*
782 * This driver only reads the first u32 as
783 * right now no more features are defined,
784 * if that changes then either the driver
785 * will not work with the new firmware, or
786 * it'll not take advantage of new features.
787 */
788 capa->flags = le32_to_cpup((__le32 *)tlv_data);
Johannes Bergece9c4e2010-08-23 10:46:49 +0200789 break;
Johannes Bergb2e640d2010-05-05 23:24:54 -0700790 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700791 if (tlv_len != sizeof(u32))
792 goto invalid_tlv_len;
793 pieces->init_evtlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700794 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700795 break;
796 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700797 if (tlv_len != sizeof(u32))
798 goto invalid_tlv_len;
799 pieces->init_evtlog_size =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700800 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700801 break;
802 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700803 if (tlv_len != sizeof(u32))
804 goto invalid_tlv_len;
805 pieces->init_errlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700806 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700807 break;
808 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700809 if (tlv_len != sizeof(u32))
810 goto invalid_tlv_len;
811 pieces->inst_evtlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700812 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700813 break;
814 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700815 if (tlv_len != sizeof(u32))
816 goto invalid_tlv_len;
817 pieces->inst_evtlog_size =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700818 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700819 break;
820 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
Johannes Berg704da532010-07-14 09:34:50 -0700821 if (tlv_len != sizeof(u32))
822 goto invalid_tlv_len;
823 pieces->inst_errlog_ptr =
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700824 le32_to_cpup((__le32 *)tlv_data);
Johannes Bergb2e640d2010-05-05 23:24:54 -0700825 break;
Wey-Yi Guyc8312fa2010-06-28 13:05:17 -0700826 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
827 if (tlv_len)
Johannes Berg704da532010-07-14 09:34:50 -0700828 goto invalid_tlv_len;
829 priv->enhance_sensitivity_table = true;
Wey-Yi Guyc8312fa2010-06-28 13:05:17 -0700830 break;
Johannes Bergc8ac61c2011-07-15 13:23:45 -0700831 case IWL_UCODE_TLV_WOWLAN_INST:
832 pieces->wowlan_inst = tlv_data;
833 pieces->wowlan_inst_size = tlv_len;
834 break;
835 case IWL_UCODE_TLV_WOWLAN_DATA:
836 pieces->wowlan_data = tlv_data;
837 pieces->wowlan_data_size = tlv_len;
838 break;
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700839 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
Johannes Berg704da532010-07-14 09:34:50 -0700840 if (tlv_len != sizeof(u32))
841 goto invalid_tlv_len;
842 capa->standard_phy_calibration_size =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700843 le32_to_cpup((__le32 *)tlv_data);
844 break;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700845 default:
Johannes Berg6fc3ba92011-04-04 06:16:29 -0700846 IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type);
Johannes Bergdd7a2502010-04-28 23:33:10 -0700847 break;
848 }
849 }
850
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700851 if (len) {
852 IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len);
853 iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len);
Johannes Berg704da532010-07-14 09:34:50 -0700854 return -EINVAL;
Wey-Yi Guyad8d8332010-06-22 14:31:45 -0700855 }
Johannes Bergdd7a2502010-04-28 23:33:10 -0700856
Johannes Berg704da532010-07-14 09:34:50 -0700857 return 0;
858
859 invalid_tlv_len:
860 IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
861 iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len);
862
863 return -EINVAL;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700864}
865
Johannes Bergb08dfd02010-01-29 11:54:56 -0800866/**
867 * iwl_ucode_callback - callback when firmware was loaded
868 *
869 * If loaded successfully, copies the firmware into buffers
870 * for the card to fetch (via DMA).
871 */
872static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
873{
874 struct iwl_priv *priv = context;
875 struct iwl_ucode_header *ucode;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700876 int err;
877 struct iwlagn_firmware_pieces pieces;
Don Fry38622412011-12-16 07:07:36 -0800878 const unsigned int api_max = cfg(priv)->ucode_api_max;
879 unsigned int api_ok = cfg(priv)->ucode_api_ok;
880 const unsigned int api_min = cfg(priv)->ucode_api_min;
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700881 u32 api_ver;
Johannes Berg3e4de762010-04-28 12:09:12 -0700882 char buildstr[25];
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700883 u32 build;
Johannes Bergdd7a2502010-04-28 23:33:10 -0700884 struct iwlagn_ucode_capabilities ucode_capa = {
885 .max_probe_length = 200,
Wey-Yi Guy6a822d02010-07-13 17:13:15 -0700886 .standard_phy_calibration_size =
Shanyu Zhao642454c2010-09-21 12:06:18 -0700887 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE,
Johannes Bergdd7a2502010-04-28 23:33:10 -0700888 };
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700889
Johannes Berg5d7969b2011-07-23 10:24:44 -0700890 if (!api_ok)
891 api_ok = api_max;
892
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700893 memset(&pieces, 0, sizeof(pieces));
Zhu Yib481de92007-09-25 17:54:57 -0700894
Johannes Bergb08dfd02010-01-29 11:54:56 -0800895 if (!ucode_raw) {
Johannes Berg5d7969b2011-07-23 10:24:44 -0700896 if (priv->fw_index <= api_ok)
Jay Sternberg39396082010-08-12 10:24:07 -0700897 IWL_ERR(priv,
898 "request for firmware file '%s' failed.\n",
899 priv->firmware_name);
Johannes Bergb08dfd02010-01-29 11:54:56 -0800900 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700901 }
902
Johannes Bergb08dfd02010-01-29 11:54:56 -0800903 IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
904 priv->firmware_name, ucode_raw->size);
Zhu Yib481de92007-09-25 17:54:57 -0700905
Johannes Berg22adba22010-04-28 12:09:14 -0700906 /* Make sure that we got at least the API version number */
907 if (ucode_raw->size < 4) {
Winkler, Tomas15b16872008-12-19 10:37:33 +0800908 IWL_ERR(priv, "File size way too small!\n");
Johannes Bergb08dfd02010-01-29 11:54:56 -0800909 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -0700910 }
911
912 /* Data from ucode file: header followed by uCode images */
Jay Sternbergcc0f5552009-07-17 09:30:16 -0700913 ucode = (struct iwl_ucode_header *)ucode_raw->data;
Zhu Yib481de92007-09-25 17:54:57 -0700914
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700915 if (ucode->ver)
916 err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces);
917 else
Johannes Bergdd7a2502010-04-28 23:33:10 -0700918 err = iwlagn_load_firmware(priv, ucode_raw, &pieces,
919 &ucode_capa);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700920
921 if (err)
922 goto try_again;
923
Reinette Chatrea0987a82008-12-02 12:14:06 -0800924 api_ver = IWL_UCODE_API(priv->ucode_ver);
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700925 build = pieces.build;
Zhu Yib481de92007-09-25 17:54:57 -0700926
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700927 /*
928 * api_ver should match the api version forming part of the
Reinette Chatrea0987a82008-12-02 12:14:06 -0800929 * firmware filename ... but we don't check for that and only rely
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700930 * on the API version read from firmware header from here on forward
931 */
Wey-Yi Guy65cccfb2010-09-21 16:15:58 -0700932 /* no api version check required for experimental uCode */
933 if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
934 if (api_ver < api_min || api_ver > api_max) {
935 IWL_ERR(priv,
936 "Driver unable to support your firmware API. "
937 "Driver supports v%u, firmware is v%u.\n",
938 api_max, api_ver);
939 goto try_again;
940 }
Johannes Bergb08dfd02010-01-29 11:54:56 -0800941
Johannes Berg5d7969b2011-07-23 10:24:44 -0700942 if (api_ver < api_ok) {
943 if (api_ok != api_max)
944 IWL_ERR(priv, "Firmware has old API version, "
945 "expected v%u through v%u, got v%u.\n",
946 api_ok, api_max, api_ver);
947 else
948 IWL_ERR(priv, "Firmware has old API version, "
949 "expected v%u, got v%u.\n",
950 api_max, api_ver);
951 IWL_ERR(priv, "New firmware can be obtained from "
952 "http://www.intellinuxwireless.org/.\n");
953 }
Wey-Yi Guy65cccfb2010-09-21 16:15:58 -0700954 }
Reinette Chatrea0987a82008-12-02 12:14:06 -0800955
Johannes Berg3e4de762010-04-28 12:09:12 -0700956 if (build)
Jay Sternberg39396082010-08-12 10:24:07 -0700957 sprintf(buildstr, " build %u%s", build,
958 (priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
959 ? " (EXP)" : "");
Johannes Berg3e4de762010-04-28 12:09:12 -0700960 else
961 buildstr[0] = '\0';
Reinette Chatrea0987a82008-12-02 12:14:06 -0800962
Johannes Berg3e4de762010-04-28 12:09:12 -0700963 IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n",
Reinette Chatre5ebeb5a2009-10-30 14:36:04 -0700964 IWL_UCODE_MAJOR(priv->ucode_ver),
965 IWL_UCODE_MINOR(priv->ucode_ver),
966 IWL_UCODE_API(priv->ucode_ver),
Johannes Berg3e4de762010-04-28 12:09:12 -0700967 IWL_UCODE_SERIAL(priv->ucode_ver),
968 buildstr);
Reinette Chatre5ebeb5a2009-10-30 14:36:04 -0700969
Johannes Berg3e4de762010-04-28 12:09:12 -0700970 snprintf(priv->hw->wiphy->fw_version,
971 sizeof(priv->hw->wiphy->fw_version),
972 "%u.%u.%u.%u%s",
973 IWL_UCODE_MAJOR(priv->ucode_ver),
974 IWL_UCODE_MINOR(priv->ucode_ver),
975 IWL_UCODE_API(priv->ucode_ver),
976 IWL_UCODE_SERIAL(priv->ucode_ver),
977 buildstr);
Zhu Yib481de92007-09-25 17:54:57 -0700978
Johannes Bergb08dfd02010-01-29 11:54:56 -0800979 /*
980 * For any of the failures below (before allocating pci memory)
981 * we will try to load a version with a smaller API -- maybe the
982 * user just got a corrupted version of the latest API.
983 */
984
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700985 IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
986 priv->ucode_ver);
987 IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n",
988 pieces.inst_size);
989 IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n",
990 pieces.data_size);
991 IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n",
992 pieces.init_size);
993 IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
994 pieces.init_data_size);
Zhu Yib481de92007-09-25 17:54:57 -0700995
996 /* Verify that uCode images will fit in card's SRAM */
Emmanuel Grumbachd6189122011-08-25 23:10:39 -0700997 if (pieces.inst_size > hw_params(priv).max_inst_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -0700998 IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n",
999 pieces.inst_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001000 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -07001001 }
1002
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001003 if (pieces.data_size > hw_params(priv).max_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001004 IWL_ERR(priv, "uCode data len %Zd too large to fit in\n",
1005 pieces.data_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001006 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -07001007 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001008
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001009 if (pieces.init_size > hw_params(priv).max_inst_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001010 IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n",
1011 pieces.init_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001012 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -07001013 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001014
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001015 if (pieces.init_data_size > hw_params(priv).max_data_size) {
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001016 IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n",
1017 pieces.init_data_size);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001018 goto try_again;
Zhu Yib481de92007-09-25 17:54:57 -07001019 }
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001020
Zhu Yib481de92007-09-25 17:54:57 -07001021 /* Allocate ucode buffers for card's bus-master loading ... */
1022
1023 /* Runtime instructions and 2 copies of data:
1024 * 1) unmodified from disk
1025 * 2) backup cache for save/restore during power-downs */
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001026 if (iwl_alloc_fw_desc(trans(priv), &trans(priv)->ucode_rt.code,
Johannes Bergdbf28e212011-04-16 08:29:24 -07001027 pieces.inst, pieces.inst_size))
1028 goto err_pci_alloc;
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001029 if (iwl_alloc_fw_desc(trans(priv), &trans(priv)->ucode_rt.data,
Johannes Bergdbf28e212011-04-16 08:29:24 -07001030 pieces.data, pieces.data_size))
Zhu, Yi1f304e42009-01-23 13:45:22 -08001031 goto err_pci_alloc;
1032
Zhu Yib481de92007-09-25 17:54:57 -07001033 /* Initialization instructions and data */
Johannes Berg0e9a44d2010-04-28 12:09:16 -07001034 if (pieces.init_size && pieces.init_data_size) {
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001035 if (iwl_alloc_fw_desc(trans(priv),
1036 &trans(priv)->ucode_init.code,
Johannes Bergdbf28e212011-04-16 08:29:24 -07001037 pieces.init, pieces.init_size))
1038 goto err_pci_alloc;
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001039 if (iwl_alloc_fw_desc(trans(priv),
1040 &trans(priv)->ucode_init.data,
Johannes Bergdbf28e212011-04-16 08:29:24 -07001041 pieces.init_data, pieces.init_data_size))
Tomas Winkler90e759d2007-11-29 11:09:41 +08001042 goto err_pci_alloc;
1043 }
Zhu Yib481de92007-09-25 17:54:57 -07001044
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001045 /* WoWLAN instructions and data */
1046 if (pieces.wowlan_inst_size && pieces.wowlan_data_size) {
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001047 if (iwl_alloc_fw_desc(trans(priv),
Don Fryde7f5f92011-11-10 06:55:10 -08001048 &trans(priv)->ucode_wowlan.code,
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001049 pieces.wowlan_inst,
1050 pieces.wowlan_inst_size))
1051 goto err_pci_alloc;
Emmanuel Grumbach8467ab42012-01-03 16:28:12 +02001052 if (iwl_alloc_fw_desc(trans(priv),
Don Fryde7f5f92011-11-10 06:55:10 -08001053 &trans(priv)->ucode_wowlan.data,
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001054 pieces.wowlan_data,
1055 pieces.wowlan_data_size))
1056 goto err_pci_alloc;
1057 }
1058
Johannes Bergb2e640d2010-05-05 23:24:54 -07001059 /* Now that we can no longer fail, copy information */
1060
1061 /*
1062 * The (size - 16) / 12 formula is based on the information recorded
1063 * for each event, which is of mode 1 (including timestamp) for all
1064 * new microcodes that include this information.
1065 */
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001066 priv->init_evtlog_ptr = pieces.init_evtlog_ptr;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001067 if (pieces.init_evtlog_size)
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001068 priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001069 else
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001070 priv->init_evtlog_size =
Don Fry38622412011-12-16 07:07:36 -08001071 cfg(priv)->base_params->max_event_log_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001072 priv->init_errlog_ptr = pieces.init_errlog_ptr;
1073 priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001074 if (pieces.inst_evtlog_size)
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001075 priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
Johannes Bergb2e640d2010-05-05 23:24:54 -07001076 else
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001077 priv->inst_evtlog_size =
Don Fry38622412011-12-16 07:07:36 -08001078 cfg(priv)->base_params->max_event_log_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001079 priv->inst_errlog_ptr = pieces.inst_errlog_ptr;
Wey-Yi Guy0cb38d62011-12-02 07:33:57 -08001080#ifndef CONFIG_IWLWIFI_P2P
1081 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
1082#endif
Johannes Bergb2e640d2010-05-05 23:24:54 -07001083
Johannes Bergd2690c02011-04-20 09:10:39 -07001084 priv->new_scan_threshold_behaviour =
1085 !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
1086
Don Fry38622412011-12-16 07:07:36 -08001087 if (!(cfg(priv)->sku & EEPROM_SKU_CAP_IPAN_ENABLE))
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001088 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
Johannes Bergc10afb62010-08-23 10:46:43 +02001089
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001090 /*
1091 * if not PAN, then don't support P2P -- might be a uCode
1092 * packaging bug or due to the eeprom check above
1093 */
1094 if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN))
1095 ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
1096
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001097 if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) {
1098 priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
Emmanuel Grumbachcefeaa52011-08-25 23:10:40 -07001099 priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001100 } else {
1101 priv->sta_key_max_num = STA_KEY_MAX_NUM;
Emmanuel Grumbachcefeaa52011-08-25 23:10:40 -07001102 priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001103 }
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001104 /*
1105 * figure out the offset of chain noise reset and gain commands
1106 * base on the size of standard phy calibration commands table size
1107 */
1108 if (ucode_capa.standard_phy_calibration_size >
1109 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1110 ucode_capa.standard_phy_calibration_size =
1111 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1112
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001113 priv->phy_calib_chain_noise_reset_cmd =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001114 ucode_capa.standard_phy_calibration_size;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001115 priv->phy_calib_chain_noise_gain_cmd =
Wey-Yi Guy6a822d02010-07-13 17:13:15 -07001116 ucode_capa.standard_phy_calibration_size + 1;
1117
Johannes Berg4d2a5d02011-07-23 10:24:46 -07001118 /* initialize all valid contexts */
1119 iwl_init_context(priv, ucode_capa.flags);
1120
Johannes Bergb08dfd02010-01-29 11:54:56 -08001121 /**************************************************
1122 * This is still part of probe() in a sense...
1123 *
1124 * 9. Setup and register with mac80211 and debugfs
1125 **************************************************/
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001126 err = iwlagn_mac_setup_register(priv, &ucode_capa);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001127 if (err)
1128 goto out_unbind;
1129
1130 err = iwl_dbgfs_register(priv, DRV_NAME);
1131 if (err)
1132 IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
1133
Zhu Yib481de92007-09-25 17:54:57 -07001134 /* We have our copies now, allow OS release its copies */
1135 release_firmware(ucode_raw);
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001136 complete(&priv->firmware_loading_complete);
Johannes Bergb08dfd02010-01-29 11:54:56 -08001137 return;
1138
1139 try_again:
1140 /* try next, if any */
1141 if (iwl_request_firmware(priv, false))
1142 goto out_unbind;
1143 release_firmware(ucode_raw);
1144 return;
Zhu Yib481de92007-09-25 17:54:57 -07001145
1146 err_pci_alloc:
Winkler, Tomas15b16872008-12-19 10:37:33 +08001147 IWL_ERR(priv, "failed to allocate pci memory\n");
Don Fryde7f5f92011-11-10 06:55:10 -08001148 iwl_dealloc_ucode(trans(priv));
Johannes Bergb08dfd02010-01-29 11:54:56 -08001149 out_unbind:
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001150 complete(&priv->firmware_loading_complete);
Emmanuel Grumbachea4caad2012-01-04 14:23:20 +02001151 device_release_driver(trans(priv)->dev);
Zhu Yib481de92007-09-25 17:54:57 -07001152 release_firmware(ucode_raw);
Zhu Yib481de92007-09-25 17:54:57 -07001153}
1154
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001155static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
1156{
1157 struct iwl_ct_kill_config cmd;
1158 struct iwl_ct_kill_throttling_config adv_cmd;
1159 unsigned long flags;
1160 int ret = 0;
1161
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001162 spin_lock_irqsave(&priv->shrd->lock, flags);
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001163 iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001164 CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001165 spin_unlock_irqrestore(&priv->shrd->lock, flags);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001166 priv->thermal_throttle.ct_kill_toggle = false;
1167
Don Fry38622412011-12-16 07:07:36 -08001168 if (cfg(priv)->base_params->support_ct_kill_exit) {
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001169 adv_cmd.critical_temperature_enter =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001170 cpu_to_le32(hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001171 adv_cmd.critical_temperature_exit =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001172 cpu_to_le32(hw_params(priv).ct_kill_exit_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001173
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001174 ret = iwl_trans_send_cmd_pdu(trans(priv),
Emmanuel Grumbache419d622011-07-08 08:46:14 -07001175 REPLY_CT_KILL_CONFIG_CMD,
1176 CMD_SYNC, sizeof(adv_cmd), &adv_cmd);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001177 if (ret)
1178 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1179 else
1180 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001181 "succeeded, critical temperature enter is %d,"
1182 "exit is %d\n",
1183 hw_params(priv).ct_kill_threshold,
1184 hw_params(priv).ct_kill_exit_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001185 } else {
1186 cmd.critical_temperature_R =
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001187 cpu_to_le32(hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001188
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001189 ret = iwl_trans_send_cmd_pdu(trans(priv),
Emmanuel Grumbache419d622011-07-08 08:46:14 -07001190 REPLY_CT_KILL_CONFIG_CMD,
1191 CMD_SYNC, sizeof(cmd), &cmd);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001192 if (ret)
1193 IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
1194 else
1195 IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001196 "succeeded, "
1197 "critical temperature is %d\n",
1198 hw_params(priv).ct_kill_threshold);
Wey-Yi Guy0975cc82010-07-31 08:34:07 -07001199 }
1200}
1201
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001202static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
1203{
1204 struct iwl_calib_cfg_cmd calib_cfg_cmd;
1205 struct iwl_host_cmd cmd = {
1206 .id = CALIBRATION_CFG_CMD,
Johannes Berg3fa50732011-05-04 07:50:38 -07001207 .len = { sizeof(struct iwl_calib_cfg_cmd), },
1208 .data = { &calib_cfg_cmd, },
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001209 };
1210
1211 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
Wey-Yi Guyaf4dc882011-10-04 07:10:19 -07001212 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL;
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001213 calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg);
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001214
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001215 return iwl_trans_send_cmd(trans(priv), &cmd);
Shanyu Zhao6d6a1af2010-09-14 18:13:31 -07001216}
1217
1218
Wey-Yi Guye505c432011-07-07 08:27:41 -07001219static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
1220{
1221 struct iwl_tx_ant_config_cmd tx_ant_cmd = {
1222 .valid = cpu_to_le32(valid_tx_ant),
1223 };
1224
1225 if (IWL_UCODE_API(priv->ucode_ver) > 1) {
1226 IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001227 return iwl_trans_send_cmd_pdu(trans(priv),
Wey-Yi Guye505c432011-07-07 08:27:41 -07001228 TX_ANT_CONFIGURATION_CMD,
1229 CMD_SYNC,
1230 sizeof(struct iwl_tx_ant_config_cmd),
1231 &tx_ant_cmd);
1232 } else {
1233 IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
1234 return -EOPNOTSUPP;
1235 }
1236}
1237
Zhu Yib481de92007-09-25 17:54:57 -07001238/**
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001239 * iwl_alive_start - called after REPLY_ALIVE notification received
Zhu Yib481de92007-09-25 17:54:57 -07001240 * from protocol/runtime uCode (initialization uCode's
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001241 * Alive gets handled by iwl_init_alive_start()).
Zhu Yib481de92007-09-25 17:54:57 -07001242 */
Cindy H. Kao4613e722011-05-06 10:40:15 -07001243int iwl_alive_start(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001244{
Tomas Winkler57aab752008-04-14 21:16:03 -07001245 int ret = 0;
Johannes Berg246ed352010-08-23 10:46:32 +02001246 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
Zhu Yib481de92007-09-25 17:54:57 -07001247
Tomas Winklere1623442009-01-27 14:27:56 -08001248 IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
Zhu Yib481de92007-09-25 17:54:57 -07001249
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001250 /* After the ALIVE response, we can send host commands to the uCode */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001251 set_bit(STATUS_ALIVE, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001252
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001253 /* Enable watchdog to monitor the driver tx queues */
1254 iwl_setup_watchdog(priv);
Wey-Yi Guyb74e31a2010-03-01 17:23:50 -08001255
Emmanuel Grumbach845a9c02011-08-25 23:11:04 -07001256 if (iwl_is_rfkill(priv->shrd))
Johannes Bergca7966c2011-04-22 10:15:23 -07001257 return -ERFKILL;
Zhu Yib481de92007-09-25 17:54:57 -07001258
Johannes Berg98d4bf02012-01-13 11:56:11 +01001259 if (priv->event_log.ucode_trace) {
1260 /* start collecting data now */
1261 mod_timer(&priv->ucode_trace, jiffies);
1262 }
1263
Wey-Yi Guybc795df2010-10-11 14:24:05 -07001264 /* download priority table before any calibration request */
Don Fry38622412011-12-16 07:07:36 -08001265 if (cfg(priv)->bt_params &&
1266 cfg(priv)->bt_params->advanced_bt_coexist) {
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001267 /* Configure Bluetooth device coexistence support */
Don Fry38622412011-12-16 07:07:36 -08001268 if (cfg(priv)->bt_params->bt_sco_disable)
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001269 priv->bt_enable_pspoll = false;
1270 else
1271 priv->bt_enable_pspoll = true;
1272
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001273 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
1274 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
1275 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001276 iwlagn_send_advance_bt_config(priv);
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001277 priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001278 priv->cur_rssi_ctx = NULL;
1279
Don Fryb96b09d2011-12-02 08:48:38 -08001280 iwl_send_prio_tbl(trans(priv));
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001281
1282 /* FIXME: w/a to force change uCode BT state machine */
Don Fryb96b09d2011-12-02 08:48:38 -08001283 ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_OPEN,
Johannes Bergca7966c2011-04-22 10:15:23 -07001284 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
1285 if (ret)
1286 return ret;
Don Fryb96b09d2011-12-02 08:48:38 -08001287 ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_CLOSE,
Johannes Bergca7966c2011-04-22 10:15:23 -07001288 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
1289 if (ret)
1290 return ret;
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001291 } else {
1292 /*
1293 * default is 2-wire BT coexexistence support
1294 */
1295 iwl_send_bt_config(priv);
Wey-Yi Guyf7322f82010-08-23 15:24:49 -07001296 }
Wey-Yi Guye55b5172011-06-28 11:46:28 -07001297
Venkataraman, Meenakshi885765f2011-12-14 16:54:21 -08001298 /*
1299 * Perform runtime calibrations, including DC calibration.
1300 */
1301 iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX);
Wey-Yi Guybc795df2010-10-11 14:24:05 -07001302
Johannes Berg36d68252008-05-15 12:55:26 +02001303 ieee80211_wake_queues(priv->hw);
Zhu Yib481de92007-09-25 17:54:57 -07001304
Johannes Berg470ab2d2010-01-21 11:23:30 -08001305 priv->active_rate = IWL_RATES_MASK;
Zhu Yib481de92007-09-25 17:54:57 -07001306
Wey-Yi Guy2f748de2009-09-17 10:43:51 -07001307 /* Configure Tx antenna selection based on H/W config */
Don Fry38622412011-12-16 07:07:36 -08001308 iwlagn_send_tx_ant_config(priv, cfg(priv)->valid_tx_ant);
Wey-Yi Guy2f748de2009-09-17 10:43:51 -07001309
Emmanuel Grumbach57210f72011-08-25 23:10:52 -07001310 if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) {
Gregory Greenmanc1adf9f2008-05-15 13:53:59 +08001311 struct iwl_rxon_cmd *active_rxon =
Johannes Berg246ed352010-08-23 10:46:32 +02001312 (struct iwl_rxon_cmd *)&ctx->active;
Mohamed Abbas019fb972009-03-17 21:59:18 -07001313 /* apply any changes in staging */
Johannes Berg246ed352010-08-23 10:46:32 +02001314 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
Zhu Yib481de92007-09-25 17:54:57 -07001315 active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
1316 } else {
Johannes Bergd0fe4782010-08-23 10:46:58 +02001317 struct iwl_rxon_context *tmp;
Zhu Yib481de92007-09-25 17:54:57 -07001318 /* Initialize our rx_config data */
Johannes Bergd0fe4782010-08-23 10:46:58 +02001319 for_each_context(priv, tmp)
1320 iwl_connection_init_rx_config(priv, tmp);
Abhijeet Kolekar45823532009-04-08 11:26:44 -07001321
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -07001322 iwlagn_set_rxon_chain(priv, ctx);
Zhu Yib481de92007-09-25 17:54:57 -07001323 }
1324
Emmanuel Grumbach57210f72011-08-25 23:10:52 -07001325 if (!priv->shrd->wowlan) {
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001326 /* WoWLAN ucode will not reply in the same way, skip it */
1327 iwl_reset_run_time_calib(priv);
1328 }
Tomas Winkler4a4a9e82008-05-29 16:34:54 +08001329
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001330 set_bit(STATUS_READY, &priv->shrd->status);
Wey-Yi Guy9e2e7422010-11-12 13:52:37 -08001331
Zhu Yib481de92007-09-25 17:54:57 -07001332 /* Configure the adapter for unassociated operation */
Wey-Yi Guy805a3b82011-06-03 07:54:16 -07001333 ret = iwlagn_commit_rxon(priv, ctx);
Johannes Bergca7966c2011-04-22 10:15:23 -07001334 if (ret)
1335 return ret;
Zhu Yib481de92007-09-25 17:54:57 -07001336
1337 /* At this point, the NIC is initialized and operational */
Emmanuel Grumbach47f4a582008-06-12 09:47:13 +08001338 iwl_rf_kill_ct_config(priv);
Zhu Yi5a66926a2008-01-14 17:46:18 -08001339
Tomas Winklere1623442009-01-27 14:27:56 -08001340 IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
Zhu Yib481de92007-09-25 17:54:57 -07001341
Johannes Bergca7966c2011-04-22 10:15:23 -07001342 return iwl_power_update_mode(priv, true);
Zhu Yib481de92007-09-25 17:54:57 -07001343}
1344
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001345static void iwl_cancel_deferred_work(struct iwl_priv *priv);
Zhu Yib481de92007-09-25 17:54:57 -07001346
Wey-Yi Guy73356132011-11-10 06:55:11 -08001347void __iwl_down(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001348{
Dan Carpenter22dd2fd2011-03-15 10:03:24 +03001349 int exit_pending;
Zhu Yib481de92007-09-25 17:54:57 -07001350
Tomas Winklere1623442009-01-27 14:27:56 -08001351 IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
Zhu Yib481de92007-09-25 17:54:57 -07001352
Stanislaw Gruszkad745d472010-09-13 14:46:35 +02001353 iwl_scan_cancel_timeout(priv, 200);
1354
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001355 /*
1356 * If active, scanning won't cancel it, so say it expired.
1357 * No race since we hold the mutex here and a new one
1358 * can't come in at this time.
1359 */
1360 ieee80211_remain_on_channel_expired(priv->hw);
1361
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001362 exit_pending =
1363 test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001364
Stanislaw Gruszkab62177a2010-08-20 15:23:47 +02001365 /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
1366 * to prevent rearm timer */
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001367 del_timer_sync(&priv->watchdog);
Stanislaw Gruszkab62177a2010-08-20 15:23:47 +02001368
Johannes Bergdcef7322010-08-27 08:55:52 -07001369 iwl_clear_ucode_stations(priv, NULL);
Johannes Berga194e322010-08-27 08:53:46 -07001370 iwl_dealloc_bcast_stations(priv);
Johannes Bergdb125c72010-05-07 01:49:15 -07001371 iwl_clear_driver_stations(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001372
Johannes Berga1174132010-08-23 07:56:59 -07001373 /* reset BT coex data */
Wey-Yi Guyda5dbb92010-08-23 07:57:13 -07001374 priv->bt_status = 0;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001375 priv->cur_rssi_ctx = NULL;
1376 priv->bt_is_sco = 0;
Don Fry38622412011-12-16 07:07:36 -08001377 if (cfg(priv)->bt_params)
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001378 priv->bt_traffic_load =
Don Fry38622412011-12-16 07:07:36 -08001379 cfg(priv)->bt_params->bt_init_traffic_load;
Wey-Yi Guy7cb1b082010-10-06 08:10:00 -07001380 else
1381 priv->bt_traffic_load = 0;
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001382 priv->bt_full_concurrent = false;
1383 priv->bt_ci_compliance = 0;
Johannes Berga1174132010-08-23 07:56:59 -07001384
Zhu Yib481de92007-09-25 17:54:57 -07001385 /* Wipe out the EXIT_PENDING status bit if we are not actually
1386 * exiting the module */
1387 if (!exit_pending)
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001388 clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Zhu Yib481de92007-09-25 17:54:57 -07001389
Emmanuel Grumbach859cfb02011-09-15 11:46:31 -07001390 if (priv->mac80211_registered)
Zhu Yib481de92007-09-25 17:54:57 -07001391 ieee80211_stop_queues(priv->hw);
1392
Emmanuel Grumbach909e9b22011-09-15 11:46:30 -07001393 iwl_trans_stop_device(trans(priv));
1394
Johannes Berg1a10f432011-04-13 03:14:44 -07001395 /* Clear out all status bits but a few that are stable across reset */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001396 priv->shrd->status &=
1397 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) <<
Zhu Yib481de92007-09-25 17:54:57 -07001398 STATUS_RF_KILL_HW |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001399 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) <<
Reinette Chatre97888642008-02-06 11:20:38 -08001400 STATUS_GEO_CONFIGURED |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001401 test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
Mohamed Abbas052ec3f2008-06-30 17:23:15 +08001402 STATUS_FW_ERROR |
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001403 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) <<
Mohamed Abbas052ec3f2008-06-30 17:23:15 +08001404 STATUS_EXIT_PENDING;
Zhu Yib481de92007-09-25 17:54:57 -07001405
Johannes Berg77834542010-10-04 05:50:36 -07001406 dev_kfree_skb(priv->beacon_skb);
Johannes Berg12e934d2010-10-04 05:50:06 -07001407 priv->beacon_skb = NULL;
Zhu Yib481de92007-09-25 17:54:57 -07001408}
1409
Wey-Yi Guy73356132011-11-10 06:55:11 -08001410void iwl_down(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001411{
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001412 mutex_lock(&priv->shrd->mutex);
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001413 __iwl_down(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001414 mutex_unlock(&priv->shrd->mutex);
Zhu Yib24d22b2007-12-19 13:59:52 +08001415
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001416 iwl_cancel_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001417}
1418
Zhu Yib481de92007-09-25 17:54:57 -07001419/*****************************************************************************
1420 *
1421 * Workqueue callbacks
1422 *
1423 *****************************************************************************/
1424
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001425static void iwl_bg_run_time_calib_work(struct work_struct *work)
1426{
1427 struct iwl_priv *priv = container_of(work, struct iwl_priv,
1428 run_time_calib_work);
1429
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001430 mutex_lock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001431
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001432 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) ||
1433 test_bit(STATUS_SCANNING, &priv->shrd->status)) {
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001434 mutex_unlock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001435 return;
1436 }
1437
1438 if (priv->start_calib) {
Johannes Berg0da0e5b2011-04-08 08:14:56 -07001439 iwl_chain_noise_calibration(priv);
1440 iwl_sensitivity_calibration(priv);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001441 }
1442
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001443 mutex_unlock(&priv->shrd->mutex);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001444}
1445
Wey-Yi Guy73356132011-11-10 06:55:11 -08001446void iwlagn_prepare_restart(struct iwl_priv *priv)
Johannes Berge43e85c2011-04-19 07:45:16 -07001447{
1448 struct iwl_rxon_context *ctx;
1449 bool bt_full_concurrent;
1450 u8 bt_ci_compliance;
1451 u8 bt_load;
1452 u8 bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001453 bool bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001454
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001455 lockdep_assert_held(&priv->shrd->mutex);
Johannes Berge43e85c2011-04-19 07:45:16 -07001456
1457 for_each_context(priv, ctx)
1458 ctx->vif = NULL;
1459 priv->is_open = 0;
1460
1461 /*
1462 * __iwl_down() will clear the BT status variables,
1463 * which is correct, but when we restart we really
1464 * want to keep them so restore them afterwards.
1465 *
1466 * The restart process will later pick them up and
1467 * re-configure the hw when we reconfigure the BT
1468 * command.
1469 */
1470 bt_full_concurrent = priv->bt_full_concurrent;
1471 bt_ci_compliance = priv->bt_ci_compliance;
1472 bt_load = priv->bt_traffic_load;
1473 bt_status = priv->bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001474 bt_is_sco = priv->bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001475
1476 __iwl_down(priv);
1477
1478 priv->bt_full_concurrent = bt_full_concurrent;
1479 priv->bt_ci_compliance = bt_ci_compliance;
1480 priv->bt_traffic_load = bt_load;
1481 priv->bt_status = bt_status;
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001482 priv->bt_is_sco = bt_is_sco;
Johannes Berge43e85c2011-04-19 07:45:16 -07001483}
1484
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001485static void iwl_bg_restart(struct work_struct *data)
Zhu Yib481de92007-09-25 17:54:57 -07001486{
Tomas Winklerc79dd5b2008-03-12 16:58:50 -07001487 struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
Zhu Yib481de92007-09-25 17:54:57 -07001488
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001489 if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
Zhu Yib481de92007-09-25 17:54:57 -07001490 return;
1491
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001492 if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001493 mutex_lock(&priv->shrd->mutex);
Johannes Berge43e85c2011-04-19 07:45:16 -07001494 iwlagn_prepare_restart(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001495 mutex_unlock(&priv->shrd->mutex);
Johannes Berga1174132010-08-23 07:56:59 -07001496 iwl_cancel_deferred_work(priv);
Johannes Berg19cc1082009-05-08 13:44:36 -07001497 ieee80211_restart_hw(priv->hw);
1498 } else {
Johannes Bergca7966c2011-04-22 10:15:23 -07001499 WARN_ON(1);
Johannes Berg19cc1082009-05-08 13:44:36 -07001500 }
Zhu Yib481de92007-09-25 17:54:57 -07001501}
1502
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001503
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001504
Wey-Yi Guy716c74b2010-06-24 13:22:36 -07001505
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001506void iwlagn_disable_roc(struct iwl_priv *priv)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001507{
1508 struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
Johannes Berg9b9190d2011-01-06 08:07:10 -08001509
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001510 lockdep_assert_held(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001511
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001512 if (!priv->hw_roc_setup)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001513 return;
1514
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001515 ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001516 ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001517
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001518 priv->hw_roc_channel = NULL;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001519
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001520 memset(ctx->staging.node_addr, 0, ETH_ALEN);
1521
Wey-Yi Guy805a3b82011-06-03 07:54:16 -07001522 iwlagn_commit_rxon(priv, ctx);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001523
1524 ctx->is_active = false;
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001525 priv->hw_roc_setup = false;
Johannes Berg9b9190d2011-01-06 08:07:10 -08001526}
1527
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001528static void iwlagn_disable_roc_work(struct work_struct *work)
Johannes Berg9b9190d2011-01-06 08:07:10 -08001529{
1530 struct iwl_priv *priv = container_of(work, struct iwl_priv,
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001531 hw_roc_disable_work.work);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001532
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001533 mutex_lock(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001534 iwlagn_disable_roc(priv);
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001535 mutex_unlock(&priv->shrd->mutex);
Johannes Berg9b9190d2011-01-06 08:07:10 -08001536}
1537
Zhu Yib481de92007-09-25 17:54:57 -07001538/*****************************************************************************
1539 *
Zhu Yib481de92007-09-25 17:54:57 -07001540 * driver setup and teardown
1541 *
1542 *****************************************************************************/
1543
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001544static void iwl_setup_deferred_work(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001545{
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001546 priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME);
Zhu Yib481de92007-09-25 17:54:57 -07001547
Emmanuel Grumbach3e10cae2011-09-06 09:31:18 -07001548 init_waitqueue_head(&priv->shrd->wait_command_queue);
Zhu Yib481de92007-09-25 17:54:57 -07001549
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001550 INIT_WORK(&priv->restart, iwl_bg_restart);
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001551 INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
Emmanuel Grumbach16e727e2008-06-12 09:46:52 +08001552 INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
Wey-Yi Guy65550632010-06-24 13:18:35 -07001553 INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001554 INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
Wey-Yi Guyfbba9412010-08-23 07:57:10 -07001555 INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001556 INIT_DELAYED_WORK(&priv->hw_roc_disable_work,
1557 iwlagn_disable_roc_work);
Tomas Winkler2a421b92008-06-12 09:47:10 +08001558
Tomas Winkler2a421b92008-06-12 09:47:10 +08001559 iwl_setup_scan_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001560
Don Fry38622412011-12-16 07:07:36 -08001561 if (cfg(priv)->lib->bt_setup_deferred_work)
1562 cfg(priv)->lib->bt_setup_deferred_work(priv);
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001563
1564 init_timer(&priv->statistics_periodic);
1565 priv->statistics_periodic.data = (unsigned long)priv;
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001566 priv->statistics_periodic.function = iwl_bg_statistics_periodic;
Zhu Yib481de92007-09-25 17:54:57 -07001567
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08001568 init_timer(&priv->ucode_trace);
1569 priv->ucode_trace.data = (unsigned long)priv;
1570 priv->ucode_trace.function = iwl_bg_ucode_trace;
1571
Stanislaw Gruszka22de94d2010-12-03 15:41:48 +01001572 init_timer(&priv->watchdog);
1573 priv->watchdog.data = (unsigned long)priv;
1574 priv->watchdog.function = iwl_bg_watchdog;
Zhu Yib481de92007-09-25 17:54:57 -07001575}
1576
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001577static void iwl_cancel_deferred_work(struct iwl_priv *priv)
Zhu Yib481de92007-09-25 17:54:57 -07001578{
Don Fry38622412011-12-16 07:07:36 -08001579 if (cfg(priv)->lib->cancel_deferred_work)
1580 cfg(priv)->lib->cancel_deferred_work(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001581
Wey-Yi Guy815e6292010-06-03 10:14:01 -07001582 cancel_work_sync(&priv->run_time_calib_work);
Zhu Yib481de92007-09-25 17:54:57 -07001583 cancel_work_sync(&priv->beacon_update);
Stanislaw Gruszkae7e16b92010-09-13 14:46:41 +02001584
1585 iwl_cancel_scan_deferred_work(priv);
1586
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001587 cancel_work_sync(&priv->bt_full_concurrency);
Wey-Yi Guyfbba9412010-08-23 07:57:10 -07001588 cancel_work_sync(&priv->bt_runtime_config);
Johannes Bergc6baf7f2011-07-23 10:24:47 -07001589 cancel_delayed_work_sync(&priv->hw_roc_disable_work);
Stanislaw Gruszkae7e16b92010-09-13 14:46:41 +02001590
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001591 del_timer_sync(&priv->statistics_periodic);
Wey-Yi Guya9e1cb62009-12-10 14:37:26 -08001592 del_timer_sync(&priv->ucode_trace);
Zhu Yib481de92007-09-25 17:54:57 -07001593}
1594
Reinette Chatre89f186a2009-10-30 14:36:11 -07001595static void iwl_init_hw_rates(struct iwl_priv *priv,
1596 struct ieee80211_rate *rates)
1597{
1598 int i;
1599
1600 for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
1601 rates[i].bitrate = iwl_rates[i].ieee * 5;
1602 rates[i].hw_value = i; /* Rate scaling will work on indexes */
1603 rates[i].hw_value_short = i;
1604 rates[i].flags = 0;
1605 if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
1606 /*
1607 * If CCK != 1M then set short preamble rate flag.
1608 */
1609 rates[i].flags |=
1610 (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
1611 0 : IEEE80211_RATE_SHORT_PREAMBLE;
1612 }
1613 }
1614}
1615
1616static int iwl_init_drv(struct iwl_priv *priv)
1617{
1618 int ret;
1619
Emmanuel Grumbachf39c95e2011-08-25 23:10:47 -07001620 spin_lock_init(&priv->shrd->sta_lock);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001621
Emmanuel Grumbach6ac2f832011-08-25 23:10:44 -07001622 mutex_init(&priv->shrd->mutex);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001623
Don Fry45c30db2011-11-30 16:58:39 -08001624 INIT_LIST_HEAD(&trans(priv)->calib_results);
Johannes Berg80e83da2011-11-25 11:11:44 -08001625
Reinette Chatre89f186a2009-10-30 14:36:11 -07001626 priv->ieee_channels = NULL;
1627 priv->ieee_rates = NULL;
1628 priv->band = IEEE80211_BAND_2GHZ;
1629
1630 priv->iw_mode = NL80211_IFTYPE_STATION;
Johannes Bergba37a3d2009-12-10 14:37:27 -08001631 priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
Wey-Yi Guya13d2762010-01-22 14:22:42 -08001632 priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001633 priv->agg_tids_count = 0;
Reinette Chatre89f186a2009-10-30 14:36:11 -07001634
Wey-Yi Guy8a472da2010-02-18 22:03:06 -08001635 /* initialize force reset */
1636 priv->force_reset[IWL_RF_RESET].reset_duration =
1637 IWL_DELAY_NEXT_FORCE_RF_RESET;
1638 priv->force_reset[IWL_FW_RESET].reset_duration =
1639 IWL_DELAY_NEXT_FORCE_FW_RELOAD;
Reinette Chatre89f186a2009-10-30 14:36:11 -07001640
Stanislaw Gruszka410f2bb2011-03-04 17:51:51 +01001641 priv->rx_statistics_jiffies = jiffies;
1642
Reinette Chatre89f186a2009-10-30 14:36:11 -07001643 /* Choose which receivers/antennas to use */
Wey-Yi Guye3f10ce2011-07-01 07:59:26 -07001644 iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001645
1646 iwl_init_scan_params(priv);
1647
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001648 /* init bt coex */
Don Fry38622412011-12-16 07:07:36 -08001649 if (cfg(priv)->bt_params &&
1650 cfg(priv)->bt_params->advanced_bt_coexist) {
Wey-Yi Guyb6e116e2010-08-23 07:57:14 -07001651 priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
1652 priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
1653 priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001654 priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
1655 priv->bt_duration = BT_DURATION_LIMIT_DEF;
1656 priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
Wey-Yi Guy22bf59a2010-08-23 07:57:11 -07001657 }
1658
Reinette Chatre89f186a2009-10-30 14:36:11 -07001659 ret = iwl_init_channel_map(priv);
1660 if (ret) {
1661 IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
1662 goto err;
1663 }
1664
Wey-Yi Guyb39488a2011-08-25 23:10:33 -07001665 ret = iwl_init_geos(priv);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001666 if (ret) {
1667 IWL_ERR(priv, "initializing geos failed: %d\n", ret);
1668 goto err_free_channel_map;
1669 }
1670 iwl_init_hw_rates(priv, priv->ieee_rates);
1671
1672 return 0;
1673
1674err_free_channel_map:
1675 iwl_free_channel_map(priv);
1676err:
1677 return ret;
1678}
1679
1680static void iwl_uninit_drv(struct iwl_priv *priv)
1681{
Wey-Yi Guyb39488a2011-08-25 23:10:33 -07001682 iwl_free_geos(priv);
Reinette Chatre89f186a2009-10-30 14:36:11 -07001683 iwl_free_channel_map(priv);
Emmanuel Grumbachdfa2bdb2011-08-25 23:11:23 -07001684 if (priv->tx_cmd_pool)
1685 kmem_cache_destroy(priv->tx_cmd_pool);
Johannes Berg811ecc92010-04-06 04:12:41 -07001686 kfree(priv->scan_cmd);
Johannes Berg4ce7cc22011-05-13 11:57:40 -07001687 kfree(priv->beacon_cmd);
Johannes Berg79d3eef2011-11-10 06:55:01 -08001688 kfree(rcu_dereference_raw(priv->noa_data));
Johannes Bergc8ac61c2011-07-15 13:23:45 -07001689#ifdef CONFIG_IWLWIFI_DEBUGFS
1690 kfree(priv->wowlan_sram);
1691#endif
Reinette Chatre89f186a2009-10-30 14:36:11 -07001692}
1693
Meenakshi Venkataraman207ecc52011-07-08 08:46:23 -07001694
Zhu Yib481de92007-09-25 17:54:57 -07001695
Johannes Berge98a1302011-04-05 09:42:08 -07001696static u32 iwl_hw_detect(struct iwl_priv *priv)
Wey-Yi Guy3867fe02010-07-31 08:34:05 -07001697{
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001698 return iwl_read32(trans(priv), CSR_HW_REV);
Wey-Yi Guy3867fe02010-07-31 08:34:05 -07001699}
1700
Emmanuel Grumbachdda61a42011-08-25 23:11:11 -07001701/* Size of one Rx buffer in host DRAM */
1702#define IWL_RX_BUF_SIZE_4K (4 * 1024)
1703#define IWL_RX_BUF_SIZE_8K (8 * 1024)
1704
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001705static int iwl_set_hw_params(struct iwl_priv *priv)
1706{
Don Fry9d143e92011-04-20 15:23:57 -07001707 if (iwlagn_mod_params.amsdu_size_8K)
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001708 hw_params(priv).rx_page_order =
1709 get_order(IWL_RX_BUF_SIZE_8K);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001710 else
Emmanuel Grumbachd6189122011-08-25 23:10:39 -07001711 hw_params(priv).rx_page_order =
1712 get_order(IWL_RX_BUF_SIZE_4K);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001713
Johannes Berg74289942011-12-13 00:07:40 -08001714 if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
Don Fry38622412011-12-16 07:07:36 -08001715 cfg(priv)->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001716
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001717 hw_params(priv).num_ampdu_queues =
Don Fry38622412011-12-16 07:07:36 -08001718 cfg(priv)->base_params->num_of_ampdu_queues;
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001719 hw_params(priv).shadow_reg_enable =
Don Fry38622412011-12-16 07:07:36 -08001720 cfg(priv)->base_params->shadow_reg_enable;
1721 hw_params(priv).sku = cfg(priv)->sku;
1722 hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
Emmanuel Grumbachfd656932011-08-25 23:11:19 -07001723
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001724 /* Device-specific setup */
Don Fry38622412011-12-16 07:07:36 -08001725 return cfg(priv)->lib->set_hw_params(priv);
Wey-Yi Guy07d4f1a2010-07-31 08:34:08 -07001726}
1727
Wey-Yi Guy119ea182011-04-18 09:34:06 -07001728
Wey-Yi Guy119ea182011-04-18 09:34:06 -07001729
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001730static void iwl_debug_config(struct iwl_priv *priv)
1731{
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001732 dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG "
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001733#ifdef CONFIG_IWLWIFI_DEBUG
1734 "enabled\n");
1735#else
1736 "disabled\n");
1737#endif
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001738 dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS "
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001739#ifdef CONFIG_IWLWIFI_DEBUGFS
1740 "enabled\n");
1741#else
1742 "disabled\n");
1743#endif
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001744 dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING "
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001745#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
1746 "enabled\n");
1747#else
1748 "disabled\n");
1749#endif
1750
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001751 dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE "
Wey-Yi Guy5ef15cc2011-11-30 13:24:06 -08001752#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001753 "enabled\n");
1754#else
1755 "disabled\n");
1756#endif
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001757 dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P "
Wey-Yi Guy0cb38d62011-12-02 07:33:57 -08001758#ifdef CONFIG_IWLWIFI_P2P
1759 "enabled\n");
1760#else
1761 "disabled\n");
1762#endif
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001763}
1764
Emmanuel Grumbache6bb4c92011-08-25 23:10:48 -07001765int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
1766 struct iwl_cfg *cfg)
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001767{
1768 int err = 0;
1769 struct iwl_priv *priv;
1770 struct ieee80211_hw *hw;
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001771 u16 num_mac;
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001772 u32 hw_rev;
1773
1774 /************************
1775 * 1. Allocating HW data
1776 ************************/
Don Fryfa06ec72011-10-14 12:54:46 -07001777 hw = iwl_alloc_all();
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001778 if (!hw) {
Don Fryfa06ec72011-10-14 12:54:46 -07001779 pr_err("%s: Cannot allocate network device\n", cfg->name);
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001780 err = -ENOMEM;
Emmanuel Grumbach807caf22011-06-09 02:55:55 -07001781 goto out;
1782 }
1783
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001784 priv = hw->priv;
Emmanuel Grumbache81fb552012-02-02 14:08:57 -08001785 priv->shrd = bus->shrd;
Emmanuel Grumbachcac988a2011-08-25 23:10:37 -07001786 priv->shrd->priv = priv;
Emmanuel Grumbacha48709c2011-05-31 08:22:30 +03001787
Wey-Yi Guyb2ea3452011-06-07 08:53:14 -07001788 /* At this point both hw and priv are allocated. */
Johannes Berg8f2d3d22010-08-23 10:46:37 +02001789
Emmanuel Grumbachea4caad2012-01-04 14:23:20 +02001790 SET_IEEE80211_DEV(hw, trans(priv)->dev);
Zhu Yib481de92007-09-25 17:54:57 -07001791
Wey-Yi Guyebfa8672011-11-25 11:11:47 -08001792 /* what debugging capabilities we have */
1793 iwl_debug_config(priv);
1794
Tomas Winklere1623442009-01-27 14:27:56 -08001795 IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
Don Fry38622412011-12-16 07:07:36 -08001796 cfg(priv) = cfg;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001797
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001798 /* is antenna coupling more than 35dB ? */
1799 priv->bt_ant_couple_ok =
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07001800 (iwlagn_mod_params.ant_coupling >
1801 IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
1802 true : false;
Wey-Yi Guybee008b2010-08-23 07:57:04 -07001803
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08001804 /* enable/disable bt channel inhibition */
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07001805 priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce;
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08001806 IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
1807 (priv->bt_ch_announce) ? "On" : "Off");
Wey-Yi Guyf37837c2010-08-23 07:57:12 -07001808
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001809 if (iwl_alloc_traffic_mem(priv))
1810 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
Zhu Yib481de92007-09-25 17:54:57 -07001811
Reinette Chatre731a29b2009-12-14 14:12:11 -08001812 /* these spin locks will be used in apm_ops.init and EEPROM access
Mohamed Abbasa8b50a02009-05-22 11:01:47 -07001813 * we should init now
1814 */
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001815 spin_lock_init(&trans(priv)->reg_lock);
Emmanuel Grumbach10b15e62011-08-25 23:10:43 -07001816 spin_lock_init(&priv->shrd->lock);
Reinette Chatre4843b5a2010-02-03 09:38:59 -08001817
1818 /*
1819 * stop and reset the on-board processor just in case it is in a
1820 * strange state ... like being left stranded by a primary kernel
1821 * and this is now the kdump kernel trying to start up
1822 */
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001823 iwl_write32(trans(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
Reinette Chatre4843b5a2010-02-03 09:38:59 -08001824
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001825 /***********************
1826 * 3. Read REV register
1827 ***********************/
Johannes Berge98a1302011-04-05 09:42:08 -07001828 hw_rev = iwl_hw_detect(priv);
Shanyu Zhaoc11362c2010-03-05 17:05:20 -08001829 IWL_INFO(priv, "Detected %s, REV=0x%X\n",
Don Fry38622412011-12-16 07:07:36 -08001830 cfg(priv)->name, hw_rev);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001831
Emmanuel Grumbach57a1dc82012-01-08 13:22:16 +02001832 err = iwl_trans_start_hw(trans(priv));
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001833 if (err)
Emmanuel Grumbachb52e7ea2012-02-02 14:16:59 -08001834 goto out_free_traffic_mem;
Emmanuel Grumbach1e89cbac2011-07-20 17:51:22 -07001835
Assaf Krauss316c30d2008-03-14 10:38:46 -07001836 /*****************
1837 * 4. Read EEPROM
1838 *****************/
Emmanuel Grumbach8747bb42012-01-04 16:57:09 +02001839 /* switch the NIC on before accessing the EEPROM */
1840 iwl_apm_init(priv);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001841 /* Read the EEPROM */
Johannes Berge98a1302011-04-05 09:42:08 -07001842 err = iwl_eeprom_init(priv, hw_rev);
Emmanuel Grumbach8747bb42012-01-04 16:57:09 +02001843 /* Reset chip to save power until we load uCode during "up". */
1844 iwl_apm_stop(priv);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001845 if (err) {
Winkler, Tomas15b16872008-12-19 10:37:33 +08001846 IWL_ERR(priv, "Unable to init EEPROM\n");
Emmanuel Grumbachb52e7ea2012-02-02 14:16:59 -08001847 goto out_free_traffic_mem;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001848 }
Tomas Winkler8614f362008-04-23 17:14:55 -07001849 err = iwl_eeprom_check_version(priv);
1850 if (err)
Reinette Chatrec8f16132009-02-27 16:21:22 -08001851 goto out_free_eeprom;
Tomas Winkler8614f362008-04-23 17:14:55 -07001852
Wey-Yi Guy21a5b3c2010-11-10 13:32:59 -08001853 err = iwl_eeprom_check_sku(priv);
1854 if (err)
1855 goto out_free_eeprom;
1856
Ron Rindjunsky02883012008-05-15 13:53:53 +08001857 /* extract MAC Address */
Don Fryab36eab2011-11-30 15:37:32 -08001858 iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr);
Wey-Yi Guyc6fa17e2010-07-15 05:58:30 -07001859 IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
1860 priv->hw->wiphy->addresses = priv->addresses;
1861 priv->hw->wiphy->n_addresses = 1;
Don Fryab36eab2011-11-30 15:37:32 -08001862 num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS);
Wey-Yi Guyc6fa17e2010-07-15 05:58:30 -07001863 if (num_mac > 1) {
1864 memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
1865 ETH_ALEN);
1866 priv->addresses[1].addr[5]++;
1867 priv->hw->wiphy->n_addresses++;
1868 }
Assaf Krauss316c30d2008-03-14 10:38:46 -07001869
1870 /************************
1871 * 5. Setup HW constants
1872 ************************/
Ron Rindjunskyda154e302008-06-30 17:23:20 +08001873 if (iwl_set_hw_params(priv)) {
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001874 err = -ENOENT;
Winkler, Tomas15b16872008-12-19 10:37:33 +08001875 IWL_ERR(priv, "failed to set hw parameters\n");
Tomas Winkler073d3f52008-04-21 15:41:52 -07001876 goto out_free_eeprom;
Assaf Krauss316c30d2008-03-14 10:38:46 -07001877 }
1878
1879 /*******************
Tomas Winkler6ba87952008-05-15 13:54:17 +08001880 * 6. Setup priv
Assaf Krauss316c30d2008-03-14 10:38:46 -07001881 *******************/
Zhu Yib481de92007-09-25 17:54:57 -07001882
Tomas Winkler6ba87952008-05-15 13:54:17 +08001883 err = iwl_init_drv(priv);
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001884 if (err)
Ron Rindjunsky399f4902008-04-23 17:14:56 -07001885 goto out_free_eeprom;
Assaf Kraussbf85ea42008-03-14 10:38:49 -07001886 /* At this point both hw and priv are initialized. */
Assaf Krauss316c30d2008-03-14 10:38:46 -07001887
Assaf Krauss316c30d2008-03-14 10:38:46 -07001888 /********************
Abhijeet Kolekar09f9bf72009-04-20 14:37:03 -07001889 * 7. Setup services
Assaf Krauss316c30d2008-03-14 10:38:46 -07001890 ********************/
Emmanuel Grumbach4e393172008-06-12 09:46:53 +08001891 iwl_setup_deferred_work(priv);
Emmanuel Grumbach653fa4a2008-06-30 17:23:11 +08001892 iwl_setup_rx_handlers(priv);
Cindy H. Kao4613e722011-05-06 10:40:15 -07001893 iwl_testmode_init(priv);
Assaf Krauss316c30d2008-03-14 10:38:46 -07001894
Johannes Berg158bea02010-01-22 14:22:53 -08001895 /*********************************************
Emmanuel Grumbach084dd7912011-05-31 09:07:00 +03001896 * 8. Enable interrupts
Johannes Berg158bea02010-01-22 14:22:53 -08001897 *********************************************/
Tomas Winkler6ba87952008-05-15 13:54:17 +08001898
Stanislaw Gruszka554d1d02010-12-23 12:38:21 +01001899 iwl_enable_rfkill_int(priv);
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001900
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001901 /* If platform's RF_KILL switch is NOT set to KILL */
Emmanuel Grumbach1042db22012-01-03 16:56:15 +02001902 if (iwl_read32(trans(priv),
Emmanuel Grumbach83ed9012011-08-25 23:11:14 -07001903 CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001904 clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001905 else
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001906 set_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
Tomas Winkler6ba87952008-05-15 13:54:17 +08001907
Johannes Berga60e77e2009-06-04 18:26:06 +02001908 wiphy_rfkill_set_hw_state(priv->hw->wiphy,
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001909 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
Helmut Schaa6cd0b1c2009-01-19 13:10:07 +01001910
Emmanuel Grumbach58d0f362008-06-12 09:47:19 +08001911 iwl_power_initialize(priv);
Wey-Yi Guy39b73fb12009-07-24 11:13:02 -07001912 iwl_tt_initialize(priv);
Johannes Berg158bea02010-01-22 14:22:53 -08001913
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001914 init_completion(&priv->firmware_loading_complete);
Johannes Berg562db532010-04-29 07:41:53 -07001915
Johannes Bergb08dfd02010-01-29 11:54:56 -08001916 err = iwl_request_firmware(priv, true);
Johannes Berg158bea02010-01-22 14:22:53 -08001917 if (err)
Emmanuel Grumbach7d476182010-05-23 00:14:08 -07001918 goto out_destroy_workqueue;
Johannes Berg158bea02010-01-22 14:22:53 -08001919
Zhu Yib481de92007-09-25 17:54:57 -07001920 return 0;
1921
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001922out_destroy_workqueue:
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001923 destroy_workqueue(priv->shrd->workqueue);
1924 priv->shrd->workqueue = NULL;
Tomas Winkler6ba87952008-05-15 13:54:17 +08001925 iwl_uninit_drv(priv);
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001926out_free_eeprom:
Don Fryab36eab2011-11-30 15:37:32 -08001927 iwl_eeprom_free(priv->shrd);
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001928out_free_traffic_mem:
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001929 iwl_free_traffic_mem(priv);
Wey-Yi Guyd7c76f42009-10-09 13:20:17 -07001930 ieee80211_free_hw(priv->hw);
Emmanuel Grumbach34c1b7b2011-07-04 08:58:19 +03001931out:
Zhu Yib481de92007-09-25 17:54:57 -07001932 return err;
1933}
1934
Emmanuel Grumbacha48709c2011-05-31 08:22:30 +03001935void __devexit iwl_remove(struct iwl_priv * priv)
Zhu Yib481de92007-09-25 17:54:57 -07001936{
Wey-Yi Guy898ed672011-07-13 08:38:57 -07001937 wait_for_completion(&priv->firmware_loading_complete);
Johannes Berg562db532010-04-29 07:41:53 -07001938
Tomas Winklere1623442009-01-27 14:27:56 -08001939 IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
Zhu Yib481de92007-09-25 17:54:57 -07001940
Emmanuel Grumbach67249622008-05-29 16:35:26 +08001941 iwl_dbgfs_unregister(priv);
Emmanuel Grumbach67249622008-05-29 16:35:26 +08001942
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001943 /* ieee80211_unregister_hw call wil cause iwlagn_mac_stop to
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001944 * to be called and iwl_down since we are removing the device
Gregory Greenman0b124c32008-09-03 11:18:50 +08001945 * we need to set STATUS_EXIT_PENDING bit.
1946 */
Emmanuel Grumbach63013ae2011-08-25 23:10:42 -07001947 set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
Wey-Yi Guy5ed540a2011-01-21 15:26:39 -08001948
Wey-Yi Guy7a4e5282011-05-06 10:21:28 -07001949 iwl_testmode_cleanup(priv);
Don Fry09af1402011-12-09 10:07:38 -08001950 iwlagn_mac_unregister(priv);
Ron Rindjunskyc4f55232008-03-28 16:21:10 -07001951
Wey-Yi Guy39b73fb12009-07-24 11:13:02 -07001952 iwl_tt_exit(priv);
1953
Emmanuel Grumbachae2c30b2011-08-25 23:11:20 -07001954 /*This will stop the queues, move the device to low power state */
1955 iwl_trans_stop_device(trans(priv));
Mohamed Abbas0359fac2008-03-28 16:21:08 -07001956
Don Fryde7f5f92011-11-10 06:55:10 -08001957 iwl_dealloc_ucode(trans(priv));
Zhu Yib481de92007-09-25 17:54:57 -07001958
Don Fryab36eab2011-11-30 15:37:32 -08001959 iwl_eeprom_free(priv->shrd);
Zhu Yib481de92007-09-25 17:54:57 -07001960
Mohamed Abbas948c1712007-10-25 17:15:45 +08001961 /*netif_stop_queue(dev); */
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001962 flush_workqueue(priv->shrd->workqueue);
Mohamed Abbas948c1712007-10-25 17:15:45 +08001963
Wey-Yi Guyade4c642011-10-10 07:27:11 -07001964 /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001965 * priv->shrd->workqueue... so we can't take down the workqueue
Zhu Yib481de92007-09-25 17:54:57 -07001966 * until now... */
Emmanuel Grumbach74e28e42011-08-25 23:10:41 -07001967 destroy_workqueue(priv->shrd->workqueue);
1968 priv->shrd->workqueue = NULL;
Wey-Yi Guy20594eb2009-08-07 15:41:39 -07001969 iwl_free_traffic_mem(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001970
Tomas Winkler6ba87952008-05-15 13:54:17 +08001971 iwl_uninit_drv(priv);
Zhu Yib481de92007-09-25 17:54:57 -07001972
Johannes Berg77834542010-10-04 05:50:36 -07001973 dev_kfree_skb(priv->beacon_skb);
Zhu Yib481de92007-09-25 17:54:57 -07001974
1975 ieee80211_free_hw(priv->hw);
1976}
1977
Zhu Yib481de92007-09-25 17:54:57 -07001978
1979/*****************************************************************************
1980 *
1981 * driver and module entry point
1982 *
1983 *****************************************************************************/
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07001984static int __init iwl_init(void)
Zhu Yib481de92007-09-25 17:54:57 -07001985{
1986
1987 int ret;
Joe Perchesc96c31e2010-07-26 14:39:58 -07001988 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
1989 pr_info(DRV_COPYRIGHT "\n");
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001990
Tomas Winklere227cea2008-07-18 13:53:05 +08001991 ret = iwlagn_rate_control_register();
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001992 if (ret) {
Joe Perchesc96c31e2010-07-26 14:39:58 -07001993 pr_err("Unable to register rate control algorithm: %d\n", ret);
Reinette Chatre897e1cf2008-03-28 16:21:09 -07001994 return ret;
1995 }
1996
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03001997 ret = iwl_pci_register_driver();
Zhu Yib481de92007-09-25 17:54:57 -07001998
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03001999 if (ret)
2000 goto error_register;
Zhu Yib481de92007-09-25 17:54:57 -07002001 return ret;
Reinette Chatre897e1cf2008-03-28 16:21:09 -07002002
Reinette Chatre897e1cf2008-03-28 16:21:09 -07002003error_register:
Tomas Winklere227cea2008-07-18 13:53:05 +08002004 iwlagn_rate_control_unregister();
Reinette Chatre897e1cf2008-03-28 16:21:09 -07002005 return ret;
Zhu Yib481de92007-09-25 17:54:57 -07002006}
2007
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07002008static void __exit iwl_exit(void)
Zhu Yib481de92007-09-25 17:54:57 -07002009{
Emmanuel Grumbach48d1a212011-05-24 11:39:02 +03002010 iwl_pci_unregister_driver();
Tomas Winklere227cea2008-07-18 13:53:05 +08002011 iwlagn_rate_control_unregister();
Zhu Yib481de92007-09-25 17:54:57 -07002012}
2013
Emmanuel Grumbach5b9f8cd2008-10-29 14:05:46 -07002014module_exit(iwl_exit);
2015module_init(iwl_init);
Reinette Chatrea562a9d2009-07-17 09:30:24 -07002016
2017#ifdef CONFIG_IWLWIFI_DEBUG
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002018module_param_named(debug, iwlagn_mod_params.debug_level, uint,
2019 S_IRUGO | S_IWUSR);
Reinette Chatrea562a9d2009-07-17 09:30:24 -07002020MODULE_PARM_DESC(debug, "debug output mask");
2021#endif
2022
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002023module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
2024MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002025module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
2026MODULE_PARM_DESC(queues_num, "number of hw queues.");
Johannes Berg74289942011-12-13 00:07:40 -08002027module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO);
2028MODULE_PARM_DESC(11n_disable,
2029 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002030module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
2031 int, S_IRUGO);
2032MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
Wey-Yi Guy2b068612010-03-22 09:17:39 -07002033module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
2034MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
Johannes Bergdd7a2502010-04-28 23:33:10 -07002035
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002036module_param_named(ucode_alternative,
2037 iwlagn_mod_params.wanted_ucode_alternative,
2038 int, S_IRUGO);
Johannes Bergdd7a2502010-04-28 23:33:10 -07002039MODULE_PARM_DESC(ucode_alternative,
2040 "specify ucode alternative to use from ucode file");
Wey-Yi Guybee008b2010-08-23 07:57:04 -07002041
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002042module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling,
2043 int, S_IRUGO);
Wey-Yi Guybee008b2010-08-23 07:57:04 -07002044MODULE_PARM_DESC(antenna_coupling,
2045 "specify antenna coupling in dB (defualt: 0 dB)");
Wey-Yi Guyf37837c2010-08-23 07:57:12 -07002046
Emmanuel Grumbach48f20d32011-08-25 23:10:36 -07002047module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce,
2048 bool, S_IRUGO);
Wey-Yi Guy9f28ebc2010-11-26 13:24:19 -08002049MODULE_PARM_DESC(bt_ch_inhibition,
Wey-Yi Guyfee84f0d2011-08-25 23:10:57 -07002050 "Enable BT channel inhibition (default: enable)");
Stanislaw Gruszkab7977ff2011-02-28 14:33:15 +01002051
2052module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
2053MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
2054
2055module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
2056MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
Wey-Yi Guyb60eec92011-06-03 13:52:38 -07002057
Wey-Yi Guy9995ffe2011-12-02 08:19:19 -08002058module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO);
Wey-Yi Guy300d0832011-06-25 09:17:41 -07002059MODULE_PARM_DESC(wd_disable,
Wey-Yi Guy9995ffe2011-12-02 08:19:19 -08002060 "Disable stuck queue watchdog timer 0=system default, "
2061 "1=disable, 2=enable (default: 0)");
Wey-Yi Guy300d0832011-06-25 09:17:41 -07002062
Wey-Yi Guyb60eec92011-06-03 13:52:38 -07002063/*
2064 * set bt_coex_active to true, uCode will do kill/defer
2065 * every time the priority line is asserted (BT is sending signals on the
2066 * priority line in the PCIx).
2067 * set bt_coex_active to false, uCode will ignore the BT activity and
2068 * perform the normal operation
2069 *
2070 * User might experience transmit issue on some platform due to WiFi/BT
2071 * co-exist problem. The possible behaviors are:
2072 * Able to scan and finding all the available AP
2073 * Not able to associate with any AP
2074 * On those platforms, WiFi communication can be restored by set
2075 * "bt_coex_active" module parameter to "false"
2076 *
2077 * default: bt_coex_active = true (BT_COEX_ENABLE)
2078 */
2079module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active,
2080 bool, S_IRUGO);
2081MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
Wey-Yi Guy6b0184c2011-06-03 13:52:39 -07002082
2083module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO);
2084MODULE_PARM_DESC(led_mode, "0=system default, "
Wey-Yi Guy42602dd42012-01-19 12:16:46 -08002085 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
Wey-Yi Guy3f1e5f42011-06-03 13:52:40 -07002086
Wey-Yi Guy0172b022011-06-11 10:00:05 -07002087module_param_named(power_save, iwlagn_mod_params.power_save,
2088 bool, S_IRUGO);
2089MODULE_PARM_DESC(power_save,
2090 "enable WiFi power management (default: disable)");
2091
Wey-Yi Guyf7538162011-06-11 10:00:06 -07002092module_param_named(power_level, iwlagn_mod_params.power_level,
2093 int, S_IRUGO);
2094MODULE_PARM_DESC(power_level,
2095 "default power save level (range from 1 - 5, default: 1)");
2096
Wey-Yi Guydd5b6d02011-08-25 23:10:55 -07002097module_param_named(auto_agg, iwlagn_mod_params.auto_agg,
2098 bool, S_IRUGO);
2099MODULE_PARM_DESC(auto_agg,
2100 "enable agg w/o check traffic load (default: enable)");
2101
Wey-Yi Guy3f1e5f42011-06-03 13:52:40 -07002102/*
2103 * For now, keep using power level 1 instead of automatically
2104 * adjusting ...
2105 */
2106module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust,
2107 bool, S_IRUGO);
2108MODULE_PARM_DESC(no_sleep_autoadjust,
2109 "don't automatically adjust sleep level "
2110 "according to maximum network latency (default: true)");