Commit | Line | Data |
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b481de9c ZY |
1 | /****************************************************************************** |
2 | * | |
901069c7 | 3 | * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. |
b481de9c ZY |
4 | * |
5 | * Portions of this file are derived from the ipw3945 project, as well | |
6 | * as portions of the ieee80211 subsystem header files. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of version 2 of the GNU General Public License as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 | * more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along with | |
18 | * this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
20 | * | |
21 | * The full GNU General Public License is included in this distribution in the | |
22 | * file called LICENSE. | |
23 | * | |
24 | * Contact Information: | |
759ef89f | 25 | * Intel Linux Wireless <ilw@linux.intel.com> |
b481de9c ZY |
26 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
27 | * | |
28 | *****************************************************************************/ | |
b481de9c ZY |
29 | #include <linux/kernel.h> |
30 | #include <linux/module.h> | |
b481de9c | 31 | #include <linux/init.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
b481de9c ZY |
33 | #include <linux/dma-mapping.h> |
34 | #include <linux/delay.h> | |
d43c36dc | 35 | #include <linux/sched.h> |
b481de9c ZY |
36 | #include <linux/skbuff.h> |
37 | #include <linux/netdevice.h> | |
b481de9c | 38 | #include <linux/firmware.h> |
b481de9c ZY |
39 | #include <linux/etherdevice.h> |
40 | #include <linux/if_arp.h> | |
41 | ||
b481de9c ZY |
42 | #include <net/mac80211.h> |
43 | ||
44 | #include <asm/div64.h> | |
45 | ||
6bc913bd | 46 | #include "iwl-eeprom.h" |
3e0d4cb1 | 47 | #include "iwl-dev.h" |
fee1247a | 48 | #include "iwl-core.h" |
3395f6e9 | 49 | #include "iwl-io.h" |
b481de9c | 50 | #include "iwl-helpers.h" |
6974e363 | 51 | #include "iwl-sta.h" |
0de76736 | 52 | #include "iwl-agn-calib.h" |
a1175124 | 53 | #include "iwl-agn.h" |
48f20d35 | 54 | #include "iwl-shared.h" |
d5934110 | 55 | #include "iwl-bus.h" |
c85eb619 | 56 | #include "iwl-trans.h" |
416e1438 | 57 | |
b481de9c ZY |
58 | /****************************************************************************** |
59 | * | |
60 | * module boiler plate | |
61 | * | |
62 | ******************************************************************************/ | |
63 | ||
b481de9c ZY |
64 | /* |
65 | * module name, copyright, version, etc. | |
b481de9c | 66 | */ |
d783b061 | 67 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
b481de9c | 68 | |
0a6857e7 | 69 | #ifdef CONFIG_IWLWIFI_DEBUG |
b481de9c ZY |
70 | #define VD "d" |
71 | #else | |
72 | #define VD | |
73 | #endif | |
74 | ||
81963d68 | 75 | #define DRV_VERSION IWLWIFI_VERSION VD |
b481de9c | 76 | |
b481de9c ZY |
77 | |
78 | MODULE_DESCRIPTION(DRV_DESCRIPTION); | |
79 | MODULE_VERSION(DRV_VERSION); | |
a7b75207 | 80 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
b481de9c | 81 | MODULE_LICENSE("GPL"); |
3c607d27 | 82 | MODULE_ALIAS("iwlagn"); |
b481de9c | 83 | |
5b9f8cd3 | 84 | void iwl_update_chain_flags(struct iwl_priv *priv) |
5da4b55f | 85 | { |
246ed355 | 86 | struct iwl_rxon_context *ctx; |
5da4b55f | 87 | |
e3f10cea WYG |
88 | for_each_context(priv, ctx) { |
89 | iwlagn_set_rxon_chain(priv, ctx); | |
90 | if (ctx->active.rx_chain != ctx->staging.rx_chain) | |
91 | iwlagn_commit_rxon(priv, ctx); | |
246ed355 | 92 | } |
5da4b55f MA |
93 | } |
94 | ||
47ff65c4 DH |
95 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
96 | static void iwl_set_beacon_tim(struct iwl_priv *priv, | |
77834543 JB |
97 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
98 | u8 *beacon, u32 frame_size) | |
47ff65c4 DH |
99 | { |
100 | u16 tim_idx; | |
101 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; | |
102 | ||
103 | /* | |
104 | * The index is relative to frame start but we start looking at the | |
105 | * variable-length part of the beacon. | |
106 | */ | |
107 | tim_idx = mgmt->u.beacon.variable - beacon; | |
108 | ||
109 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ | |
110 | while ((tim_idx < (frame_size - 2)) && | |
111 | (beacon[tim_idx] != WLAN_EID_TIM)) | |
112 | tim_idx += beacon[tim_idx+1] + 2; | |
113 | ||
114 | /* If TIM field was found, set variables */ | |
115 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { | |
116 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); | |
117 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; | |
118 | } else | |
119 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); | |
120 | } | |
121 | ||
8a98d49e | 122 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
4bf64efd TW |
123 | { |
124 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; | |
8a98d49e JB |
125 | struct iwl_host_cmd cmd = { |
126 | .id = REPLY_TX_BEACON, | |
e419d62d | 127 | .flags = CMD_SYNC, |
8a98d49e | 128 | }; |
0b5b3ff1 | 129 | struct ieee80211_tx_info *info; |
47ff65c4 DH |
130 | u32 frame_size; |
131 | u32 rate_flags; | |
132 | u32 rate; | |
8a98d49e | 133 | |
47ff65c4 DH |
134 | /* |
135 | * We have to set up the TX command, the TX Beacon command, and the | |
136 | * beacon contents. | |
137 | */ | |
4bf64efd | 138 | |
6ac2f839 | 139 | lockdep_assert_held(&priv->shrd->mutex); |
76d04815 JB |
140 | |
141 | if (!priv->beacon_ctx) { | |
142 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); | |
950094cb | 143 | return 0; |
76d04815 JB |
144 | } |
145 | ||
8a98d49e JB |
146 | if (WARN_ON(!priv->beacon_skb)) |
147 | return -EINVAL; | |
148 | ||
4ce7cc2b JB |
149 | /* Allocate beacon command */ |
150 | if (!priv->beacon_cmd) | |
151 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); | |
152 | tx_beacon_cmd = priv->beacon_cmd; | |
8a98d49e JB |
153 | if (!tx_beacon_cmd) |
154 | return -ENOMEM; | |
155 | ||
156 | frame_size = priv->beacon_skb->len; | |
4bf64efd | 157 | |
47ff65c4 | 158 | /* Set up TX command fields */ |
4bf64efd | 159 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
76d04815 | 160 | tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id; |
47ff65c4 DH |
161 | tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; |
162 | tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK | | |
163 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; | |
4bf64efd | 164 | |
47ff65c4 | 165 | /* Set up TX beacon command fields */ |
4ce7cc2b | 166 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
77834543 | 167 | frame_size); |
4bf64efd | 168 | |
47ff65c4 | 169 | /* Set up packet rate and flags */ |
0b5b3ff1 JB |
170 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
171 | ||
172 | /* | |
173 | * Let's set up the rate at least somewhat correctly; | |
174 | * it will currently not actually be used by the uCode, | |
175 | * it uses the broadcast station's rate instead. | |
176 | */ | |
177 | if (info->control.rates[0].idx < 0 || | |
178 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) | |
179 | rate = 0; | |
180 | else | |
181 | rate = info->control.rates[0].idx; | |
182 | ||
0e1654fa | 183 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
d6189124 | 184 | hw_params(priv).valid_tx_ant); |
47ff65c4 | 185 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
0b5b3ff1 JB |
186 | |
187 | /* In mac80211, rates for 5 GHz start at 0 */ | |
188 | if (info->band == IEEE80211_BAND_5GHZ) | |
189 | rate += IWL_FIRST_OFDM_RATE; | |
190 | else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) | |
47ff65c4 | 191 | rate_flags |= RATE_MCS_CCK_MSK; |
0b5b3ff1 JB |
192 | |
193 | tx_beacon_cmd->tx.rate_n_flags = | |
194 | iwl_hw_set_rate_n_flags(rate, rate_flags); | |
4bf64efd | 195 | |
8a98d49e | 196 | /* Submit command */ |
4ce7cc2b | 197 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
3fa50738 | 198 | cmd.data[0] = tx_beacon_cmd; |
4ce7cc2b JB |
199 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
200 | cmd.len[1] = frame_size; | |
201 | cmd.data[1] = priv->beacon_skb->data; | |
202 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; | |
7aaa1d79 | 203 | |
e6bb4c9c | 204 | return iwl_trans_send_cmd(trans(priv), &cmd); |
a8e74e27 SO |
205 | } |
206 | ||
5b9f8cd3 | 207 | static void iwl_bg_beacon_update(struct work_struct *work) |
b481de9c | 208 | { |
c79dd5b5 TW |
209 | struct iwl_priv *priv = |
210 | container_of(work, struct iwl_priv, beacon_update); | |
b481de9c ZY |
211 | struct sk_buff *beacon; |
212 | ||
6ac2f839 | 213 | mutex_lock(&priv->shrd->mutex); |
76d04815 JB |
214 | if (!priv->beacon_ctx) { |
215 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); | |
216 | goto out; | |
217 | } | |
b481de9c | 218 | |
60744f62 JB |
219 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
220 | /* | |
221 | * The ucode will send beacon notifications even in | |
222 | * IBSS mode, but we don't want to process them. But | |
223 | * we need to defer the type check to here due to | |
224 | * requiring locking around the beacon_ctx access. | |
225 | */ | |
226 | goto out; | |
227 | } | |
228 | ||
76d04815 JB |
229 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
230 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); | |
b481de9c | 231 | if (!beacon) { |
77834543 | 232 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
76d04815 | 233 | goto out; |
b481de9c ZY |
234 | } |
235 | ||
b481de9c | 236 | /* new beacon skb is allocated every time; dispose previous.*/ |
77834543 | 237 | dev_kfree_skb(priv->beacon_skb); |
b481de9c | 238 | |
12e934dc | 239 | priv->beacon_skb = beacon; |
b481de9c | 240 | |
2295c66b | 241 | iwlagn_send_beacon_cmd(priv); |
76d04815 | 242 | out: |
6ac2f839 | 243 | mutex_unlock(&priv->shrd->mutex); |
b481de9c ZY |
244 | } |
245 | ||
fbba9410 WYG |
246 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
247 | { | |
248 | struct iwl_priv *priv = | |
249 | container_of(work, struct iwl_priv, bt_runtime_config); | |
250 | ||
63013ae3 | 251 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
fbba9410 WYG |
252 | return; |
253 | ||
254 | /* dont send host command if rf-kill is on */ | |
845a9c0d | 255 | if (!iwl_is_ready_rf(priv->shrd)) |
fbba9410 | 256 | return; |
e55b517c | 257 | iwlagn_send_advance_bt_config(priv); |
fbba9410 WYG |
258 | } |
259 | ||
bee008b7 WYG |
260 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
261 | { | |
262 | struct iwl_priv *priv = | |
263 | container_of(work, struct iwl_priv, bt_full_concurrency); | |
246ed355 | 264 | struct iwl_rxon_context *ctx; |
bee008b7 | 265 | |
6ac2f839 | 266 | mutex_lock(&priv->shrd->mutex); |
dc1a4068 | 267 | |
63013ae3 | 268 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
dc1a4068 | 269 | goto out; |
bee008b7 WYG |
270 | |
271 | /* dont send host command if rf-kill is on */ | |
845a9c0d | 272 | if (!iwl_is_ready_rf(priv->shrd)) |
dc1a4068 | 273 | goto out; |
bee008b7 WYG |
274 | |
275 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", | |
276 | priv->bt_full_concurrent ? | |
277 | "full concurrency" : "3-wire"); | |
278 | ||
279 | /* | |
280 | * LQ & RXON updated cmds must be sent before BT Config cmd | |
281 | * to avoid 3-wire collisions | |
282 | */ | |
246ed355 | 283 | for_each_context(priv, ctx) { |
e3f10cea | 284 | iwlagn_set_rxon_chain(priv, ctx); |
805a3b81 | 285 | iwlagn_commit_rxon(priv, ctx); |
246ed355 | 286 | } |
bee008b7 | 287 | |
e55b517c | 288 | iwlagn_send_advance_bt_config(priv); |
dc1a4068 | 289 | out: |
6ac2f839 | 290 | mutex_unlock(&priv->shrd->mutex); |
bee008b7 WYG |
291 | } |
292 | ||
4e39317d | 293 | /** |
5b9f8cd3 | 294 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
4e39317d EG |
295 | * |
296 | * This callback is provided in order to send a statistics request. | |
297 | * | |
298 | * This timer function is continually reset to execute within | |
299 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION | |
300 | * was received. We need to ensure we receive the statistics in order | |
301 | * to update the temperature used for calibrating the TXPOWER. | |
302 | */ | |
5b9f8cd3 | 303 | static void iwl_bg_statistics_periodic(unsigned long data) |
4e39317d EG |
304 | { |
305 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
306 | ||
63013ae3 | 307 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4e39317d EG |
308 | return; |
309 | ||
61780ee3 | 310 | /* dont send host command if rf-kill is on */ |
845a9c0d | 311 | if (!iwl_is_ready_rf(priv->shrd)) |
61780ee3 MA |
312 | return; |
313 | ||
ef8d5529 | 314 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
4e39317d EG |
315 | } |
316 | ||
a9e1cb6a WYG |
317 | |
318 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, | |
319 | u32 start_idx, u32 num_events, | |
320 | u32 mode) | |
321 | { | |
322 | u32 i; | |
323 | u32 ptr; /* SRAM byte address of log data */ | |
324 | u32 ev, time, data; /* event log data */ | |
325 | unsigned long reg_flags; | |
326 | ||
327 | if (mode == 0) | |
328 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); | |
329 | else | |
330 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); | |
331 | ||
332 | /* Make sure device is powered up for SRAM reads */ | |
83ed9015 EG |
333 | spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); |
334 | if (iwl_grab_nic_access(bus(priv))) { | |
335 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); | |
a9e1cb6a WYG |
336 | return; |
337 | } | |
338 | ||
339 | /* Set starting address; reads will auto-increment */ | |
83ed9015 | 340 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); |
a9e1cb6a WYG |
341 | rmb(); |
342 | ||
343 | /* | |
344 | * "time" is actually "data" for mode 0 (no timestamp). | |
345 | * place event id # at far right for easier visual parsing. | |
346 | */ | |
347 | for (i = 0; i < num_events; i++) { | |
83ed9015 EG |
348 | ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
349 | time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); | |
a9e1cb6a WYG |
350 | if (mode == 0) { |
351 | trace_iwlwifi_dev_ucode_cont_event(priv, | |
352 | 0, time, ev); | |
353 | } else { | |
83ed9015 | 354 | data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
a9e1cb6a WYG |
355 | trace_iwlwifi_dev_ucode_cont_event(priv, |
356 | time, data, ev); | |
357 | } | |
358 | } | |
359 | /* Allow device to power down */ | |
83ed9015 EG |
360 | iwl_release_nic_access(bus(priv)); |
361 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); | |
a9e1cb6a WYG |
362 | } |
363 | ||
875295f1 | 364 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
a9e1cb6a WYG |
365 | { |
366 | u32 capacity; /* event log capacity in # entries */ | |
367 | u32 base; /* SRAM byte address of event log header */ | |
368 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
369 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
370 | u32 next_entry; /* index of next entry to be written by uCode */ | |
371 | ||
d7d5783c | 372 | base = priv->device_pointers.error_event_table; |
4caab328 | 373 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
83ed9015 EG |
374 | capacity = iwl_read_targ_mem(bus(priv), base); |
375 | num_wraps = iwl_read_targ_mem(bus(priv), | |
376 | base + (2 * sizeof(u32))); | |
377 | mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); | |
378 | next_entry = iwl_read_targ_mem(bus(priv), | |
379 | base + (3 * sizeof(u32))); | |
a9e1cb6a WYG |
380 | } else |
381 | return; | |
382 | ||
383 | if (num_wraps == priv->event_log.num_wraps) { | |
384 | iwl_print_cont_event_trace(priv, | |
385 | base, priv->event_log.next_entry, | |
386 | next_entry - priv->event_log.next_entry, | |
387 | mode); | |
388 | priv->event_log.non_wraps_count++; | |
389 | } else { | |
390 | if ((num_wraps - priv->event_log.num_wraps) > 1) | |
391 | priv->event_log.wraps_more_count++; | |
392 | else | |
393 | priv->event_log.wraps_once_count++; | |
394 | trace_iwlwifi_dev_ucode_wrap_event(priv, | |
395 | num_wraps - priv->event_log.num_wraps, | |
396 | next_entry, priv->event_log.next_entry); | |
397 | if (next_entry < priv->event_log.next_entry) { | |
398 | iwl_print_cont_event_trace(priv, base, | |
399 | priv->event_log.next_entry, | |
400 | capacity - priv->event_log.next_entry, | |
401 | mode); | |
402 | ||
403 | iwl_print_cont_event_trace(priv, base, 0, | |
404 | next_entry, mode); | |
405 | } else { | |
406 | iwl_print_cont_event_trace(priv, base, | |
407 | next_entry, capacity - next_entry, | |
408 | mode); | |
409 | ||
410 | iwl_print_cont_event_trace(priv, base, 0, | |
411 | next_entry, mode); | |
412 | } | |
413 | } | |
414 | priv->event_log.num_wraps = num_wraps; | |
415 | priv->event_log.next_entry = next_entry; | |
416 | } | |
417 | ||
418 | /** | |
419 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
420 | * | |
421 | * The timer is continually set to execute every | |
422 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
423 | * this function is to perform continuous uCode event logging operation | |
424 | * if enabled | |
425 | */ | |
426 | static void iwl_bg_ucode_trace(unsigned long data) | |
427 | { | |
428 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
429 | ||
63013ae3 | 430 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
a9e1cb6a WYG |
431 | return; |
432 | ||
433 | if (priv->event_log.ucode_trace) { | |
434 | iwl_continuous_event_trace(priv); | |
435 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
436 | mod_timer(&priv->ucode_trace, | |
437 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
438 | } | |
439 | } | |
440 | ||
65550636 WYG |
441 | static void iwl_bg_tx_flush(struct work_struct *work) |
442 | { | |
443 | struct iwl_priv *priv = | |
444 | container_of(work, struct iwl_priv, tx_flush); | |
445 | ||
63013ae3 | 446 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
65550636 WYG |
447 | return; |
448 | ||
449 | /* do nothing if rf-kill is on */ | |
845a9c0d | 450 | if (!iwl_is_ready_rf(priv->shrd)) |
65550636 WYG |
451 | return; |
452 | ||
c68744fb WYG |
453 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
454 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
455 | } |
456 | ||
b481de9c ZY |
457 | /****************************************************************************** |
458 | * | |
459 | * uCode download functions | |
460 | * | |
461 | ******************************************************************************/ | |
462 | ||
3599d39a | 463 | static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) |
dbf28e21 JB |
464 | { |
465 | if (desc->v_addr) | |
d5934110 | 466 | dma_free_coherent(priv->bus->dev, desc->len, |
dbf28e21 JB |
467 | desc->v_addr, desc->p_addr); |
468 | desc->v_addr = NULL; | |
469 | desc->len = 0; | |
470 | } | |
471 | ||
3599d39a | 472 | static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) |
dbf28e21 | 473 | { |
3599d39a EG |
474 | iwl_free_fw_desc(priv, &img->code); |
475 | iwl_free_fw_desc(priv, &img->data); | |
dbf28e21 JB |
476 | } |
477 | ||
3599d39a EG |
478 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
479 | { | |
480 | iwl_free_fw_img(priv, &priv->ucode_rt); | |
481 | iwl_free_fw_img(priv, &priv->ucode_init); | |
c8ac61cf | 482 | iwl_free_fw_img(priv, &priv->ucode_wowlan); |
3599d39a EG |
483 | } |
484 | ||
485 | static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, | |
dbf28e21 JB |
486 | const void *data, size_t len) |
487 | { | |
488 | if (!len) { | |
489 | desc->v_addr = NULL; | |
490 | return -EINVAL; | |
491 | } | |
492 | ||
d5934110 | 493 | desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, |
dbf28e21 JB |
494 | &desc->p_addr, GFP_KERNEL); |
495 | if (!desc->v_addr) | |
496 | return -ENOMEM; | |
3599d39a | 497 | |
dbf28e21 JB |
498 | desc->len = len; |
499 | memcpy(desc->v_addr, data, len); | |
500 | return 0; | |
501 | } | |
502 | ||
4d2a5d0e JB |
503 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
504 | { | |
4d2a5d0e JB |
505 | int i; |
506 | ||
507 | /* | |
508 | * The default context is always valid, | |
509 | * the PAN context depends on uCode. | |
510 | */ | |
7a10e3e4 | 511 | priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
4d2a5d0e | 512 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
7a10e3e4 | 513 | priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
4d2a5d0e JB |
514 | |
515 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
516 | priv->contexts[i].ctxid = i; | |
517 | ||
518 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
519 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
520 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
521 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
522 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
523 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
524 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
525 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
4d2a5d0e JB |
526 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
527 | BIT(NL80211_IFTYPE_ADHOC); | |
528 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
529 | BIT(NL80211_IFTYPE_STATION); | |
530 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
531 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
532 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
533 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
534 | ||
535 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
536 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
537 | REPLY_WIPAN_RXON_TIMING; | |
538 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
539 | REPLY_WIPAN_RXON_ASSOC; | |
540 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
541 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
542 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
543 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
544 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
4d2a5d0e JB |
545 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
546 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
547 | |
548 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
549 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
550 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
551 | BIT(NL80211_IFTYPE_P2P_GO); | |
552 | ||
4d2a5d0e JB |
553 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
554 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
555 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
556 | ||
557 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
558 | } | |
559 | ||
560 | ||
dd7a2509 JB |
561 | struct iwlagn_ucode_capabilities { |
562 | u32 max_probe_length; | |
6a822d06 | 563 | u32 standard_phy_calibration_size; |
3997ff39 | 564 | u32 flags; |
dd7a2509 | 565 | }; |
edcdf8b2 | 566 | |
b08dfd04 | 567 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
dd7a2509 JB |
568 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
569 | struct iwlagn_ucode_capabilities *capa); | |
b08dfd04 | 570 | |
39396085 JS |
571 | #define UCODE_EXPERIMENTAL_INDEX 100 |
572 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
573 | ||
b08dfd04 JB |
574 | static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) |
575 | { | |
576 | const char *name_pre = priv->cfg->fw_name_pre; | |
39396085 | 577 | char tag[8]; |
b08dfd04 | 578 | |
39396085 JS |
579 | if (first) { |
580 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
581 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; | |
582 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); | |
583 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { | |
584 | #endif | |
b08dfd04 | 585 | priv->fw_index = priv->cfg->ucode_api_max; |
39396085 JS |
586 | sprintf(tag, "%d", priv->fw_index); |
587 | } else { | |
b08dfd04 | 588 | priv->fw_index--; |
39396085 JS |
589 | sprintf(tag, "%d", priv->fw_index); |
590 | } | |
b08dfd04 JB |
591 | |
592 | if (priv->fw_index < priv->cfg->ucode_api_min) { | |
593 | IWL_ERR(priv, "no suitable firmware found!\n"); | |
594 | return -ENOENT; | |
595 | } | |
596 | ||
39396085 | 597 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
b08dfd04 | 598 | |
39396085 JS |
599 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
600 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
601 | ? "EXPERIMENTAL " : "", | |
b08dfd04 JB |
602 | priv->firmware_name); |
603 | ||
604 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, | |
d5934110 | 605 | priv->bus->dev, |
3599d39a | 606 | GFP_KERNEL, priv, iwl_ucode_callback); |
b08dfd04 JB |
607 | } |
608 | ||
0e9a44dc | 609 | struct iwlagn_firmware_pieces { |
c8ac61cf JB |
610 | const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; |
611 | size_t inst_size, data_size, init_size, init_data_size, | |
612 | wowlan_inst_size, wowlan_data_size; | |
0e9a44dc JB |
613 | |
614 | u32 build; | |
b2e640d4 JB |
615 | |
616 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
617 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
0e9a44dc JB |
618 | }; |
619 | ||
620 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, | |
621 | const struct firmware *ucode_raw, | |
622 | struct iwlagn_firmware_pieces *pieces) | |
623 | { | |
624 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
625 | u32 api_ver, hdr_size; | |
626 | const u8 *src; | |
627 | ||
628 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
629 | api_ver = IWL_UCODE_API(priv->ucode_ver); | |
630 | ||
631 | switch (api_ver) { | |
632 | default: | |
f7d046f9 WYG |
633 | hdr_size = 28; |
634 | if (ucode_raw->size < hdr_size) { | |
635 | IWL_ERR(priv, "File size too small!\n"); | |
636 | return -EINVAL; | |
0e9a44dc | 637 | } |
f7d046f9 WYG |
638 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
639 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); | |
640 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); | |
641 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); | |
642 | pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size); | |
f7d046f9 WYG |
643 | src = ucode->u.v2.data; |
644 | break; | |
0e9a44dc JB |
645 | case 0: |
646 | case 1: | |
647 | case 2: | |
648 | hdr_size = 24; | |
649 | if (ucode_raw->size < hdr_size) { | |
650 | IWL_ERR(priv, "File size too small!\n"); | |
651 | return -EINVAL; | |
652 | } | |
653 | pieces->build = 0; | |
654 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); | |
655 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); | |
656 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); | |
657 | pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size); | |
0e9a44dc JB |
658 | src = ucode->u.v1.data; |
659 | break; | |
660 | } | |
661 | ||
662 | /* Verify size of file vs. image size info in file's header */ | |
663 | if (ucode_raw->size != hdr_size + pieces->inst_size + | |
664 | pieces->data_size + pieces->init_size + | |
1fc35276 | 665 | pieces->init_data_size) { |
0e9a44dc JB |
666 | |
667 | IWL_ERR(priv, | |
668 | "uCode file size %d does not match expected size\n", | |
669 | (int)ucode_raw->size); | |
670 | return -EINVAL; | |
671 | } | |
672 | ||
673 | pieces->inst = src; | |
674 | src += pieces->inst_size; | |
675 | pieces->data = src; | |
676 | src += pieces->data_size; | |
677 | pieces->init = src; | |
678 | src += pieces->init_size; | |
679 | pieces->init_data = src; | |
680 | src += pieces->init_data_size; | |
0e9a44dc JB |
681 | |
682 | return 0; | |
683 | } | |
684 | ||
dd7a2509 JB |
685 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
686 | const struct firmware *ucode_raw, | |
687 | struct iwlagn_firmware_pieces *pieces, | |
688 | struct iwlagn_ucode_capabilities *capa) | |
689 | { | |
690 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
691 | struct iwl_ucode_tlv *tlv; | |
692 | size_t len = ucode_raw->size; | |
693 | const u8 *data; | |
48f20d35 EG |
694 | int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; |
695 | int tmp; | |
dd7a2509 | 696 | u64 alternatives; |
ad8d8333 WYG |
697 | u32 tlv_len; |
698 | enum iwl_ucode_tlv_type tlv_type; | |
699 | const u8 *tlv_data; | |
dd7a2509 | 700 | |
ad8d8333 WYG |
701 | if (len < sizeof(*ucode)) { |
702 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); | |
dd7a2509 | 703 | return -EINVAL; |
ad8d8333 | 704 | } |
dd7a2509 | 705 | |
ad8d8333 WYG |
706 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
707 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", | |
708 | le32_to_cpu(ucode->magic)); | |
dd7a2509 | 709 | return -EINVAL; |
ad8d8333 | 710 | } |
dd7a2509 JB |
711 | |
712 | /* | |
713 | * Check which alternatives are present, and "downgrade" | |
714 | * when the chosen alternative is not present, warning | |
715 | * the user when that happens. Some files may not have | |
716 | * any alternatives, so don't warn in that case. | |
717 | */ | |
718 | alternatives = le64_to_cpu(ucode->alternatives); | |
719 | tmp = wanted_alternative; | |
720 | if (wanted_alternative > 63) | |
721 | wanted_alternative = 63; | |
722 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) | |
723 | wanted_alternative--; | |
724 | if (wanted_alternative && wanted_alternative != tmp) | |
725 | IWL_WARN(priv, | |
726 | "uCode alternative %d not available, choosing %d\n", | |
727 | tmp, wanted_alternative); | |
728 | ||
729 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
730 | pieces->build = le32_to_cpu(ucode->build); | |
731 | data = ucode->data; | |
732 | ||
733 | len -= sizeof(*ucode); | |
734 | ||
704da534 | 735 | while (len >= sizeof(*tlv)) { |
dd7a2509 | 736 | u16 tlv_alt; |
dd7a2509 JB |
737 | |
738 | len -= sizeof(*tlv); | |
739 | tlv = (void *)data; | |
740 | ||
741 | tlv_len = le32_to_cpu(tlv->length); | |
742 | tlv_type = le16_to_cpu(tlv->type); | |
743 | tlv_alt = le16_to_cpu(tlv->alternative); | |
744 | tlv_data = tlv->data; | |
745 | ||
ad8d8333 WYG |
746 | if (len < tlv_len) { |
747 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", | |
748 | len, tlv_len); | |
dd7a2509 | 749 | return -EINVAL; |
ad8d8333 | 750 | } |
dd7a2509 JB |
751 | len -= ALIGN(tlv_len, 4); |
752 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
753 | ||
754 | /* | |
755 | * Alternative 0 is always valid. | |
756 | * | |
757 | * Skip alternative TLVs that are not selected. | |
758 | */ | |
759 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) | |
760 | continue; | |
761 | ||
762 | switch (tlv_type) { | |
763 | case IWL_UCODE_TLV_INST: | |
764 | pieces->inst = tlv_data; | |
765 | pieces->inst_size = tlv_len; | |
766 | break; | |
767 | case IWL_UCODE_TLV_DATA: | |
768 | pieces->data = tlv_data; | |
769 | pieces->data_size = tlv_len; | |
770 | break; | |
771 | case IWL_UCODE_TLV_INIT: | |
772 | pieces->init = tlv_data; | |
773 | pieces->init_size = tlv_len; | |
774 | break; | |
775 | case IWL_UCODE_TLV_INIT_DATA: | |
776 | pieces->init_data = tlv_data; | |
777 | pieces->init_data_size = tlv_len; | |
778 | break; | |
779 | case IWL_UCODE_TLV_BOOT: | |
1fc35276 | 780 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
dd7a2509 JB |
781 | break; |
782 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
704da534 JB |
783 | if (tlv_len != sizeof(u32)) |
784 | goto invalid_tlv_len; | |
785 | capa->max_probe_length = | |
ad8d8333 | 786 | le32_to_cpup((__le32 *)tlv_data); |
dd7a2509 | 787 | break; |
ece9c4ee JB |
788 | case IWL_UCODE_TLV_PAN: |
789 | if (tlv_len) | |
790 | goto invalid_tlv_len; | |
3997ff39 JB |
791 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
792 | break; | |
793 | case IWL_UCODE_TLV_FLAGS: | |
794 | /* must be at least one u32 */ | |
795 | if (tlv_len < sizeof(u32)) | |
796 | goto invalid_tlv_len; | |
797 | /* and a proper number of u32s */ | |
798 | if (tlv_len % sizeof(u32)) | |
799 | goto invalid_tlv_len; | |
800 | /* | |
801 | * This driver only reads the first u32 as | |
802 | * right now no more features are defined, | |
803 | * if that changes then either the driver | |
804 | * will not work with the new firmware, or | |
805 | * it'll not take advantage of new features. | |
806 | */ | |
807 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
ece9c4ee | 808 | break; |
b2e640d4 | 809 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
704da534 JB |
810 | if (tlv_len != sizeof(u32)) |
811 | goto invalid_tlv_len; | |
812 | pieces->init_evtlog_ptr = | |
ad8d8333 | 813 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
814 | break; |
815 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
704da534 JB |
816 | if (tlv_len != sizeof(u32)) |
817 | goto invalid_tlv_len; | |
818 | pieces->init_evtlog_size = | |
ad8d8333 | 819 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
820 | break; |
821 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
704da534 JB |
822 | if (tlv_len != sizeof(u32)) |
823 | goto invalid_tlv_len; | |
824 | pieces->init_errlog_ptr = | |
ad8d8333 | 825 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
826 | break; |
827 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
704da534 JB |
828 | if (tlv_len != sizeof(u32)) |
829 | goto invalid_tlv_len; | |
830 | pieces->inst_evtlog_ptr = | |
ad8d8333 | 831 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
832 | break; |
833 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
704da534 JB |
834 | if (tlv_len != sizeof(u32)) |
835 | goto invalid_tlv_len; | |
836 | pieces->inst_evtlog_size = | |
ad8d8333 | 837 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
838 | break; |
839 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
704da534 JB |
840 | if (tlv_len != sizeof(u32)) |
841 | goto invalid_tlv_len; | |
842 | pieces->inst_errlog_ptr = | |
ad8d8333 | 843 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 | 844 | break; |
c8312fac WYG |
845 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
846 | if (tlv_len) | |
704da534 JB |
847 | goto invalid_tlv_len; |
848 | priv->enhance_sensitivity_table = true; | |
c8312fac | 849 | break; |
c8ac61cf JB |
850 | case IWL_UCODE_TLV_WOWLAN_INST: |
851 | pieces->wowlan_inst = tlv_data; | |
852 | pieces->wowlan_inst_size = tlv_len; | |
853 | break; | |
854 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
855 | pieces->wowlan_data = tlv_data; | |
856 | pieces->wowlan_data_size = tlv_len; | |
857 | break; | |
6a822d06 | 858 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
704da534 JB |
859 | if (tlv_len != sizeof(u32)) |
860 | goto invalid_tlv_len; | |
861 | capa->standard_phy_calibration_size = | |
6a822d06 WYG |
862 | le32_to_cpup((__le32 *)tlv_data); |
863 | break; | |
dd7a2509 | 864 | default: |
6fc3ba99 | 865 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
dd7a2509 JB |
866 | break; |
867 | } | |
868 | } | |
869 | ||
ad8d8333 WYG |
870 | if (len) { |
871 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); | |
872 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); | |
704da534 | 873 | return -EINVAL; |
ad8d8333 | 874 | } |
dd7a2509 | 875 | |
704da534 JB |
876 | return 0; |
877 | ||
878 | invalid_tlv_len: | |
879 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); | |
880 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); | |
881 | ||
882 | return -EINVAL; | |
dd7a2509 JB |
883 | } |
884 | ||
b481de9c | 885 | /** |
b08dfd04 | 886 | * iwl_ucode_callback - callback when firmware was loaded |
b481de9c | 887 | * |
b08dfd04 JB |
888 | * If loaded successfully, copies the firmware into buffers |
889 | * for the card to fetch (via DMA). | |
b481de9c | 890 | */ |
b08dfd04 | 891 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
b481de9c | 892 | { |
b08dfd04 | 893 | struct iwl_priv *priv = context; |
cc0f555d | 894 | struct iwl_ucode_header *ucode; |
0e9a44dc JB |
895 | int err; |
896 | struct iwlagn_firmware_pieces pieces; | |
a0987a8d | 897 | const unsigned int api_max = priv->cfg->ucode_api_max; |
5d7969bf | 898 | unsigned int api_ok = priv->cfg->ucode_api_ok; |
a0987a8d | 899 | const unsigned int api_min = priv->cfg->ucode_api_min; |
0e9a44dc | 900 | u32 api_ver; |
3e4de761 | 901 | char buildstr[25]; |
0e9a44dc | 902 | u32 build; |
dd7a2509 JB |
903 | struct iwlagn_ucode_capabilities ucode_capa = { |
904 | .max_probe_length = 200, | |
6a822d06 | 905 | .standard_phy_calibration_size = |
642454cc | 906 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
dd7a2509 | 907 | }; |
0e9a44dc | 908 | |
5d7969bf JB |
909 | if (!api_ok) |
910 | api_ok = api_max; | |
911 | ||
0e9a44dc | 912 | memset(&pieces, 0, sizeof(pieces)); |
b481de9c | 913 | |
b08dfd04 | 914 | if (!ucode_raw) { |
5d7969bf | 915 | if (priv->fw_index <= api_ok) |
39396085 JS |
916 | IWL_ERR(priv, |
917 | "request for firmware file '%s' failed.\n", | |
918 | priv->firmware_name); | |
b08dfd04 | 919 | goto try_again; |
b481de9c ZY |
920 | } |
921 | ||
b08dfd04 JB |
922 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
923 | priv->firmware_name, ucode_raw->size); | |
b481de9c | 924 | |
22adba2a JB |
925 | /* Make sure that we got at least the API version number */ |
926 | if (ucode_raw->size < 4) { | |
15b1687c | 927 | IWL_ERR(priv, "File size way too small!\n"); |
b08dfd04 | 928 | goto try_again; |
b481de9c ZY |
929 | } |
930 | ||
931 | /* Data from ucode file: header followed by uCode images */ | |
cc0f555d | 932 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
b481de9c | 933 | |
0e9a44dc JB |
934 | if (ucode->ver) |
935 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); | |
936 | else | |
dd7a2509 JB |
937 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
938 | &ucode_capa); | |
22adba2a | 939 | |
0e9a44dc JB |
940 | if (err) |
941 | goto try_again; | |
b481de9c | 942 | |
a0987a8d | 943 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
0e9a44dc | 944 | build = pieces.build; |
a0987a8d | 945 | |
0e9a44dc JB |
946 | /* |
947 | * api_ver should match the api version forming part of the | |
948 | * firmware filename ... but we don't check for that and only rely | |
949 | * on the API version read from firmware header from here on forward | |
950 | */ | |
65cccfb0 WYG |
951 | /* no api version check required for experimental uCode */ |
952 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { | |
953 | if (api_ver < api_min || api_ver > api_max) { | |
954 | IWL_ERR(priv, | |
955 | "Driver unable to support your firmware API. " | |
956 | "Driver supports v%u, firmware is v%u.\n", | |
957 | api_max, api_ver); | |
958 | goto try_again; | |
959 | } | |
b08dfd04 | 960 | |
5d7969bf JB |
961 | if (api_ver < api_ok) { |
962 | if (api_ok != api_max) | |
963 | IWL_ERR(priv, "Firmware has old API version, " | |
964 | "expected v%u through v%u, got v%u.\n", | |
965 | api_ok, api_max, api_ver); | |
966 | else | |
967 | IWL_ERR(priv, "Firmware has old API version, " | |
968 | "expected v%u, got v%u.\n", | |
969 | api_max, api_ver); | |
970 | IWL_ERR(priv, "New firmware can be obtained from " | |
971 | "http://www.intellinuxwireless.org/.\n"); | |
972 | } | |
65cccfb0 | 973 | } |
a0987a8d | 974 | |
3e4de761 | 975 | if (build) |
39396085 JS |
976 | sprintf(buildstr, " build %u%s", build, |
977 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
978 | ? " (EXP)" : ""); | |
3e4de761 JB |
979 | else |
980 | buildstr[0] = '\0'; | |
981 | ||
982 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", | |
983 | IWL_UCODE_MAJOR(priv->ucode_ver), | |
984 | IWL_UCODE_MINOR(priv->ucode_ver), | |
985 | IWL_UCODE_API(priv->ucode_ver), | |
986 | IWL_UCODE_SERIAL(priv->ucode_ver), | |
987 | buildstr); | |
a0987a8d | 988 | |
5ebeb5a6 RC |
989 | snprintf(priv->hw->wiphy->fw_version, |
990 | sizeof(priv->hw->wiphy->fw_version), | |
3e4de761 | 991 | "%u.%u.%u.%u%s", |
5ebeb5a6 RC |
992 | IWL_UCODE_MAJOR(priv->ucode_ver), |
993 | IWL_UCODE_MINOR(priv->ucode_ver), | |
994 | IWL_UCODE_API(priv->ucode_ver), | |
3e4de761 JB |
995 | IWL_UCODE_SERIAL(priv->ucode_ver), |
996 | buildstr); | |
b481de9c | 997 | |
b08dfd04 JB |
998 | /* |
999 | * For any of the failures below (before allocating pci memory) | |
1000 | * we will try to load a version with a smaller API -- maybe the | |
1001 | * user just got a corrupted version of the latest API. | |
1002 | */ | |
1003 | ||
0e9a44dc JB |
1004 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
1005 | priv->ucode_ver); | |
1006 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", | |
1007 | pieces.inst_size); | |
1008 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", | |
1009 | pieces.data_size); | |
1010 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", | |
1011 | pieces.init_size); | |
1012 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", | |
1013 | pieces.init_data_size); | |
b481de9c ZY |
1014 | |
1015 | /* Verify that uCode images will fit in card's SRAM */ | |
d6189124 | 1016 | if (pieces.inst_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1017 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
1018 | pieces.inst_size); | |
b08dfd04 | 1019 | goto try_again; |
b481de9c ZY |
1020 | } |
1021 | ||
d6189124 | 1022 | if (pieces.data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1023 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
1024 | pieces.data_size); | |
b08dfd04 | 1025 | goto try_again; |
b481de9c | 1026 | } |
0e9a44dc | 1027 | |
d6189124 | 1028 | if (pieces.init_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1029 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
1030 | pieces.init_size); | |
b08dfd04 | 1031 | goto try_again; |
b481de9c | 1032 | } |
0e9a44dc | 1033 | |
d6189124 | 1034 | if (pieces.init_data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1035 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
1036 | pieces.init_data_size); | |
b08dfd04 | 1037 | goto try_again; |
b481de9c | 1038 | } |
0e9a44dc | 1039 | |
b481de9c ZY |
1040 | /* Allocate ucode buffers for card's bus-master loading ... */ |
1041 | ||
1042 | /* Runtime instructions and 2 copies of data: | |
1043 | * 1) unmodified from disk | |
1044 | * 2) backup cache for save/restore during power-downs */ | |
3599d39a | 1045 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
dbf28e21 JB |
1046 | pieces.inst, pieces.inst_size)) |
1047 | goto err_pci_alloc; | |
3599d39a | 1048 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
dbf28e21 | 1049 | pieces.data, pieces.data_size)) |
1f304e4e ZY |
1050 | goto err_pci_alloc; |
1051 | ||
b481de9c | 1052 | /* Initialization instructions and data */ |
0e9a44dc | 1053 | if (pieces.init_size && pieces.init_data_size) { |
3599d39a | 1054 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
dbf28e21 JB |
1055 | pieces.init, pieces.init_size)) |
1056 | goto err_pci_alloc; | |
3599d39a | 1057 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
dbf28e21 | 1058 | pieces.init_data, pieces.init_data_size)) |
90e759d1 TW |
1059 | goto err_pci_alloc; |
1060 | } | |
b481de9c | 1061 | |
c8ac61cf JB |
1062 | /* WoWLAN instructions and data */ |
1063 | if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { | |
1064 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, | |
1065 | pieces.wowlan_inst, | |
1066 | pieces.wowlan_inst_size)) | |
1067 | goto err_pci_alloc; | |
1068 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, | |
1069 | pieces.wowlan_data, | |
1070 | pieces.wowlan_data_size)) | |
1071 | goto err_pci_alloc; | |
1072 | } | |
1073 | ||
b2e640d4 JB |
1074 | /* Now that we can no longer fail, copy information */ |
1075 | ||
1076 | /* | |
1077 | * The (size - 16) / 12 formula is based on the information recorded | |
1078 | * for each event, which is of mode 1 (including timestamp) for all | |
1079 | * new microcodes that include this information. | |
1080 | */ | |
898ed67b | 1081 | priv->init_evtlog_ptr = pieces.init_evtlog_ptr; |
b2e640d4 | 1082 | if (pieces.init_evtlog_size) |
898ed67b | 1083 | priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
b2e640d4 | 1084 | else |
898ed67b | 1085 | priv->init_evtlog_size = |
7cb1b088 | 1086 | priv->cfg->base_params->max_event_log_size; |
898ed67b WYG |
1087 | priv->init_errlog_ptr = pieces.init_errlog_ptr; |
1088 | priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
b2e640d4 | 1089 | if (pieces.inst_evtlog_size) |
898ed67b | 1090 | priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
b2e640d4 | 1091 | else |
898ed67b | 1092 | priv->inst_evtlog_size = |
7cb1b088 | 1093 | priv->cfg->base_params->max_event_log_size; |
898ed67b | 1094 | priv->inst_errlog_ptr = pieces.inst_errlog_ptr; |
b2e640d4 | 1095 | |
d2690c0d JB |
1096 | priv->new_scan_threshold_behaviour = |
1097 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); | |
1098 | ||
4d2a5d0e JB |
1099 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) |
1100 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
c10afb6e | 1101 | |
c6baf7fb JB |
1102 | /* |
1103 | * if not PAN, then don't support P2P -- might be a uCode | |
1104 | * packaging bug or due to the eeprom check above | |
1105 | */ | |
1106 | if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) | |
1107 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1108 | ||
4d2a5d0e JB |
1109 | if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1110 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
cefeaa5f | 1111 | priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
4d2a5d0e JB |
1112 | } else { |
1113 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
cefeaa5f | 1114 | priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
4d2a5d0e | 1115 | } |
17445b8c | 1116 | |
6a822d06 WYG |
1117 | /* |
1118 | * figure out the offset of chain noise reset and gain commands | |
1119 | * base on the size of standard phy calibration commands table size | |
1120 | */ | |
1121 | if (ucode_capa.standard_phy_calibration_size > | |
1122 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1123 | ucode_capa.standard_phy_calibration_size = | |
1124 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1125 | ||
898ed67b | 1126 | priv->phy_calib_chain_noise_reset_cmd = |
6a822d06 | 1127 | ucode_capa.standard_phy_calibration_size; |
898ed67b | 1128 | priv->phy_calib_chain_noise_gain_cmd = |
6a822d06 WYG |
1129 | ucode_capa.standard_phy_calibration_size + 1; |
1130 | ||
4d2a5d0e JB |
1131 | /* initialize all valid contexts */ |
1132 | iwl_init_context(priv, ucode_capa.flags); | |
1133 | ||
b08dfd04 JB |
1134 | /************************************************** |
1135 | * This is still part of probe() in a sense... | |
1136 | * | |
1137 | * 9. Setup and register with mac80211 and debugfs | |
1138 | **************************************************/ | |
dd7a2509 | 1139 | err = iwl_mac_setup_register(priv, &ucode_capa); |
b08dfd04 JB |
1140 | if (err) |
1141 | goto out_unbind; | |
1142 | ||
1143 | err = iwl_dbgfs_register(priv, DRV_NAME); | |
1144 | if (err) | |
1145 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); | |
1146 | ||
b481de9c ZY |
1147 | /* We have our copies now, allow OS release its copies */ |
1148 | release_firmware(ucode_raw); | |
898ed67b | 1149 | complete(&priv->firmware_loading_complete); |
b08dfd04 JB |
1150 | return; |
1151 | ||
1152 | try_again: | |
1153 | /* try next, if any */ | |
1154 | if (iwl_request_firmware(priv, false)) | |
1155 | goto out_unbind; | |
1156 | release_firmware(ucode_raw); | |
1157 | return; | |
b481de9c ZY |
1158 | |
1159 | err_pci_alloc: | |
15b1687c | 1160 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
3599d39a | 1161 | iwl_dealloc_ucode(priv); |
b08dfd04 | 1162 | out_unbind: |
898ed67b | 1163 | complete(&priv->firmware_loading_complete); |
d5934110 | 1164 | device_release_driver(priv->bus->dev); |
b481de9c | 1165 | release_firmware(ucode_raw); |
b481de9c ZY |
1166 | } |
1167 | ||
0975cc8f WYG |
1168 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
1169 | { | |
1170 | struct iwl_ct_kill_config cmd; | |
1171 | struct iwl_ct_kill_throttling_config adv_cmd; | |
1172 | unsigned long flags; | |
1173 | int ret = 0; | |
1174 | ||
10b15e6f | 1175 | spin_lock_irqsave(&priv->shrd->lock, flags); |
83ed9015 | 1176 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
0975cc8f | 1177 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
10b15e6f | 1178 | spin_unlock_irqrestore(&priv->shrd->lock, flags); |
0975cc8f WYG |
1179 | priv->thermal_throttle.ct_kill_toggle = false; |
1180 | ||
7cb1b088 | 1181 | if (priv->cfg->base_params->support_ct_kill_exit) { |
0975cc8f | 1182 | adv_cmd.critical_temperature_enter = |
d6189124 | 1183 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1184 | adv_cmd.critical_temperature_exit = |
d6189124 | 1185 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
0975cc8f | 1186 | |
e6bb4c9c | 1187 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1188 | REPLY_CT_KILL_CONFIG_CMD, |
1189 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
1190 | if (ret) |
1191 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1192 | else | |
1193 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1194 | "succeeded, critical temperature enter is %d," |
1195 | "exit is %d\n", | |
1196 | hw_params(priv).ct_kill_threshold, | |
1197 | hw_params(priv).ct_kill_exit_threshold); | |
0975cc8f WYG |
1198 | } else { |
1199 | cmd.critical_temperature_R = | |
d6189124 | 1200 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1201 | |
e6bb4c9c | 1202 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1203 | REPLY_CT_KILL_CONFIG_CMD, |
1204 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
1205 | if (ret) |
1206 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1207 | else | |
1208 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1209 | "succeeded, " |
1210 | "critical temperature is %d\n", | |
1211 | hw_params(priv).ct_kill_threshold); | |
0975cc8f WYG |
1212 | } |
1213 | } | |
1214 | ||
6d6a1afd SZ |
1215 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
1216 | { | |
1217 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
1218 | struct iwl_host_cmd cmd = { | |
1219 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
1220 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
1221 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
1222 | }; |
1223 | ||
1224 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
1225 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; | |
7cb1b088 | 1226 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 1227 | |
e6bb4c9c | 1228 | return iwl_trans_send_cmd(trans(priv), &cmd); |
6d6a1afd SZ |
1229 | } |
1230 | ||
1231 | ||
e505c433 WYG |
1232 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
1233 | { | |
1234 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
1235 | .valid = cpu_to_le32(valid_tx_ant), | |
1236 | }; | |
1237 | ||
1238 | if (IWL_UCODE_API(priv->ucode_ver) > 1) { | |
1239 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); | |
e6bb4c9c | 1240 | return iwl_trans_send_cmd_pdu(trans(priv), |
e505c433 WYG |
1241 | TX_ANT_CONFIGURATION_CMD, |
1242 | CMD_SYNC, | |
1243 | sizeof(struct iwl_tx_ant_config_cmd), | |
1244 | &tx_ant_cmd); | |
1245 | } else { | |
1246 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
1247 | return -EOPNOTSUPP; | |
1248 | } | |
1249 | } | |
1250 | ||
b481de9c | 1251 | /** |
4a4a9e81 | 1252 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 1253 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 1254 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 1255 | */ |
4613e72d | 1256 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 1257 | { |
57aab75a | 1258 | int ret = 0; |
246ed355 | 1259 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 1260 | |
1a361cd8 | 1261 | /*TODO: this should go to the transport layer */ |
6bb78847 | 1262 | iwl_reset_ict(trans(priv)); |
b481de9c | 1263 | |
ca7966c8 | 1264 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 1265 | |
5b9f8cd3 | 1266 | /* After the ALIVE response, we can send host commands to the uCode */ |
63013ae3 | 1267 | set_bit(STATUS_ALIVE, &priv->shrd->status); |
b481de9c | 1268 | |
22de94de SG |
1269 | /* Enable watchdog to monitor the driver tx queues */ |
1270 | iwl_setup_watchdog(priv); | |
b74e31a9 | 1271 | |
845a9c0d | 1272 | if (iwl_is_rfkill(priv->shrd)) |
ca7966c8 | 1273 | return -ERFKILL; |
b481de9c | 1274 | |
bc795df1 | 1275 | /* download priority table before any calibration request */ |
7cb1b088 WYG |
1276 | if (priv->cfg->bt_params && |
1277 | priv->cfg->bt_params->advanced_bt_coexist) { | |
f7322f8f | 1278 | /* Configure Bluetooth device coexistence support */ |
207ecc5e MV |
1279 | if (priv->cfg->bt_params->bt_sco_disable) |
1280 | priv->bt_enable_pspoll = false; | |
1281 | else | |
1282 | priv->bt_enable_pspoll = true; | |
1283 | ||
f7322f8f WYG |
1284 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
1285 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
1286 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 1287 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 1288 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
1289 | priv->cur_rssi_ctx = NULL; |
1290 | ||
a5901cbb | 1291 | iwlagn_send_prio_tbl(priv); |
f7322f8f WYG |
1292 | |
1293 | /* FIXME: w/a to force change uCode BT state machine */ | |
ca7966c8 JB |
1294 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
1295 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1296 | if (ret) | |
1297 | return ret; | |
1298 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, | |
1299 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1300 | if (ret) | |
1301 | return ret; | |
e55b517c WYG |
1302 | } else { |
1303 | /* | |
1304 | * default is 2-wire BT coexexistence support | |
1305 | */ | |
1306 | iwl_send_bt_config(priv); | |
f7322f8f | 1307 | } |
e55b517c | 1308 | |
d6189124 EG |
1309 | if (hw_params(priv).calib_rt_cfg) |
1310 | iwlagn_send_calib_cfg_rt(priv, | |
1311 | hw_params(priv).calib_rt_cfg); | |
bc795df1 | 1312 | |
36d6825b | 1313 | ieee80211_wake_queues(priv->hw); |
b481de9c | 1314 | |
470ab2dd | 1315 | priv->active_rate = IWL_RATES_MASK; |
b481de9c | 1316 | |
2f748dec | 1317 | /* Configure Tx antenna selection based on H/W config */ |
e3f10cea | 1318 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
2f748dec | 1319 | |
57210f7c | 1320 | if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { |
c1adf9fb | 1321 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 1322 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 1323 | /* apply any changes in staging */ |
246ed355 | 1324 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
1325 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
1326 | } else { | |
d0fe478c | 1327 | struct iwl_rxon_context *tmp; |
b481de9c | 1328 | /* Initialize our rx_config data */ |
d0fe478c JB |
1329 | for_each_context(priv, tmp) |
1330 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 1331 | |
e3f10cea | 1332 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
1333 | } |
1334 | ||
57210f7c | 1335 | if (!priv->shrd->wowlan) { |
c8ac61cf JB |
1336 | /* WoWLAN ucode will not reply in the same way, skip it */ |
1337 | iwl_reset_run_time_calib(priv); | |
1338 | } | |
4a4a9e81 | 1339 | |
63013ae3 | 1340 | set_bit(STATUS_READY, &priv->shrd->status); |
9e2e7422 | 1341 | |
b481de9c | 1342 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 1343 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
1344 | if (ret) |
1345 | return ret; | |
b481de9c ZY |
1346 | |
1347 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 1348 | iwl_rf_kill_ct_config(priv); |
5a66926a | 1349 | |
e1623446 | 1350 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 1351 | |
ca7966c8 | 1352 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
1353 | } |
1354 | ||
4e39317d | 1355 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
b481de9c | 1356 | |
5b9f8cd3 | 1357 | static void __iwl_down(struct iwl_priv *priv) |
b481de9c | 1358 | { |
22dd2fd2 | 1359 | int exit_pending; |
b481de9c | 1360 | |
e1623446 | 1361 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 1362 | |
d745d472 SG |
1363 | iwl_scan_cancel_timeout(priv, 200); |
1364 | ||
c6baf7fb JB |
1365 | /* |
1366 | * If active, scanning won't cancel it, so say it expired. | |
1367 | * No race since we hold the mutex here and a new one | |
1368 | * can't come in at this time. | |
1369 | */ | |
1370 | ieee80211_remain_on_channel_expired(priv->hw); | |
1371 | ||
63013ae3 EG |
1372 | exit_pending = |
1373 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); | |
b481de9c | 1374 | |
b62177a0 SG |
1375 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
1376 | * to prevent rearm timer */ | |
22de94de | 1377 | del_timer_sync(&priv->watchdog); |
b62177a0 | 1378 | |
dcef732c | 1379 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 1380 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 1381 | iwl_clear_driver_stations(priv); |
b481de9c | 1382 | |
a1174138 | 1383 | /* reset BT coex data */ |
da5dbb97 | 1384 | priv->bt_status = 0; |
207ecc5e MV |
1385 | priv->cur_rssi_ctx = NULL; |
1386 | priv->bt_is_sco = 0; | |
7cb1b088 WYG |
1387 | if (priv->cfg->bt_params) |
1388 | priv->bt_traffic_load = | |
1389 | priv->cfg->bt_params->bt_init_traffic_load; | |
1390 | else | |
1391 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
1392 | priv->bt_full_concurrent = false; |
1393 | priv->bt_ci_compliance = 0; | |
a1174138 | 1394 | |
b481de9c ZY |
1395 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
1396 | * exiting the module */ | |
1397 | if (!exit_pending) | |
63013ae3 | 1398 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1399 | |
859cfb0a | 1400 | if (priv->mac80211_registered) |
b481de9c ZY |
1401 | ieee80211_stop_queues(priv->hw); |
1402 | ||
909e9b23 EG |
1403 | iwl_trans_stop_device(trans(priv)); |
1404 | ||
1a10f433 | 1405 | /* Clear out all status bits but a few that are stable across reset */ |
63013ae3 EG |
1406 | priv->shrd->status &= |
1407 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << | |
b481de9c | 1408 | STATUS_RF_KILL_HW | |
63013ae3 | 1409 | test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << |
9788864e | 1410 | STATUS_GEO_CONFIGURED | |
63013ae3 | 1411 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
052ec3f1 | 1412 | STATUS_FW_ERROR | |
63013ae3 | 1413 | test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << |
052ec3f1 | 1414 | STATUS_EXIT_PENDING; |
b481de9c | 1415 | |
77834543 | 1416 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 1417 | priv->beacon_skb = NULL; |
b481de9c ZY |
1418 | } |
1419 | ||
5b9f8cd3 | 1420 | static void iwl_down(struct iwl_priv *priv) |
b481de9c | 1421 | { |
6ac2f839 | 1422 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1423 | __iwl_down(priv); |
6ac2f839 | 1424 | mutex_unlock(&priv->shrd->mutex); |
b24d22b1 | 1425 | |
4e39317d | 1426 | iwl_cancel_deferred_work(priv); |
b481de9c ZY |
1427 | } |
1428 | ||
1429 | #define MAX_HW_RESTARTS 5 | |
1430 | ||
5b9f8cd3 | 1431 | static int __iwl_up(struct iwl_priv *priv) |
b481de9c | 1432 | { |
a194e324 | 1433 | struct iwl_rxon_context *ctx; |
57aab75a | 1434 | int ret; |
b481de9c | 1435 | |
6ac2f839 | 1436 | lockdep_assert_held(&priv->shrd->mutex); |
ca7966c8 | 1437 | |
63013ae3 | 1438 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
39aadf8c | 1439 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
b481de9c ZY |
1440 | return -EIO; |
1441 | } | |
1442 | ||
a194e324 | 1443 | for_each_context(priv, ctx) { |
a30e3112 | 1444 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
a194e324 JB |
1445 | if (ret) { |
1446 | iwl_dealloc_bcast_stations(priv); | |
1447 | return ret; | |
1448 | } | |
1449 | } | |
2c810ccd | 1450 | |
ca7966c8 JB |
1451 | ret = iwlagn_run_init_ucode(priv); |
1452 | if (ret) { | |
1453 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); | |
1454 | goto error; | |
1455 | } | |
b481de9c | 1456 | |
ca7966c8 | 1457 | ret = iwlagn_load_ucode_wait_alive(priv, |
dbf28e21 | 1458 | &priv->ucode_rt, |
872907bb | 1459 | IWL_UCODE_REGULAR); |
ca7966c8 JB |
1460 | if (ret) { |
1461 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); | |
1462 | goto error; | |
b481de9c ZY |
1463 | } |
1464 | ||
ca7966c8 JB |
1465 | ret = iwl_alive_start(priv); |
1466 | if (ret) | |
1467 | goto error; | |
1468 | return 0; | |
1469 | ||
1470 | error: | |
63013ae3 | 1471 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5b9f8cd3 | 1472 | __iwl_down(priv); |
63013ae3 | 1473 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1474 | |
ca7966c8 JB |
1475 | IWL_ERR(priv, "Unable to initialize device.\n"); |
1476 | return ret; | |
b481de9c ZY |
1477 | } |
1478 | ||
1479 | ||
1480 | /***************************************************************************** | |
1481 | * | |
1482 | * Workqueue callbacks | |
1483 | * | |
1484 | *****************************************************************************/ | |
1485 | ||
16e727e8 EG |
1486 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
1487 | { | |
1488 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
1489 | run_time_calib_work); | |
1490 | ||
6ac2f839 | 1491 | mutex_lock(&priv->shrd->mutex); |
16e727e8 | 1492 | |
63013ae3 EG |
1493 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
1494 | test_bit(STATUS_SCANNING, &priv->shrd->status)) { | |
6ac2f839 | 1495 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1496 | return; |
1497 | } | |
1498 | ||
1499 | if (priv->start_calib) { | |
0da0e5bf JB |
1500 | iwl_chain_noise_calibration(priv); |
1501 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
1502 | } |
1503 | ||
6ac2f839 | 1504 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1505 | } |
1506 | ||
e43e85c4 JB |
1507 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
1508 | { | |
1509 | struct iwl_rxon_context *ctx; | |
1510 | bool bt_full_concurrent; | |
1511 | u8 bt_ci_compliance; | |
1512 | u8 bt_load; | |
1513 | u8 bt_status; | |
207ecc5e | 1514 | bool bt_is_sco; |
e43e85c4 | 1515 | |
6ac2f839 | 1516 | lockdep_assert_held(&priv->shrd->mutex); |
e43e85c4 JB |
1517 | |
1518 | for_each_context(priv, ctx) | |
1519 | ctx->vif = NULL; | |
1520 | priv->is_open = 0; | |
1521 | ||
1522 | /* | |
1523 | * __iwl_down() will clear the BT status variables, | |
1524 | * which is correct, but when we restart we really | |
1525 | * want to keep them so restore them afterwards. | |
1526 | * | |
1527 | * The restart process will later pick them up and | |
1528 | * re-configure the hw when we reconfigure the BT | |
1529 | * command. | |
1530 | */ | |
1531 | bt_full_concurrent = priv->bt_full_concurrent; | |
1532 | bt_ci_compliance = priv->bt_ci_compliance; | |
1533 | bt_load = priv->bt_traffic_load; | |
1534 | bt_status = priv->bt_status; | |
207ecc5e | 1535 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 JB |
1536 | |
1537 | __iwl_down(priv); | |
1538 | ||
1539 | priv->bt_full_concurrent = bt_full_concurrent; | |
1540 | priv->bt_ci_compliance = bt_ci_compliance; | |
1541 | priv->bt_traffic_load = bt_load; | |
1542 | priv->bt_status = bt_status; | |
207ecc5e | 1543 | priv->bt_is_sco = bt_is_sco; |
e43e85c4 JB |
1544 | } |
1545 | ||
5b9f8cd3 | 1546 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1547 | { |
c79dd5b5 | 1548 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1549 | |
63013ae3 | 1550 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
b481de9c ZY |
1551 | return; |
1552 | ||
63013ae3 | 1553 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
6ac2f839 | 1554 | mutex_lock(&priv->shrd->mutex); |
e43e85c4 | 1555 | iwlagn_prepare_restart(priv); |
6ac2f839 | 1556 | mutex_unlock(&priv->shrd->mutex); |
a1174138 | 1557 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1558 | ieee80211_restart_hw(priv->hw); |
1559 | } else { | |
ca7966c8 | 1560 | WARN_ON(1); |
19cc1087 | 1561 | } |
b481de9c ZY |
1562 | } |
1563 | ||
b481de9c ZY |
1564 | /***************************************************************************** |
1565 | * | |
1566 | * mac80211 entry point functions | |
1567 | * | |
1568 | *****************************************************************************/ | |
1569 | ||
0fd09502 JB |
1570 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
1571 | { | |
1572 | .max = 1, | |
1573 | .types = BIT(NL80211_IFTYPE_STATION), | |
1574 | }, | |
1575 | { | |
1576 | .max = 1, | |
1577 | .types = BIT(NL80211_IFTYPE_AP), | |
1578 | }, | |
1579 | }; | |
1580 | ||
1581 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { | |
1582 | { | |
1583 | .max = 2, | |
1584 | .types = BIT(NL80211_IFTYPE_STATION), | |
1585 | }, | |
1586 | }; | |
1587 | ||
1588 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { | |
1589 | { | |
1590 | .max = 1, | |
1591 | .types = BIT(NL80211_IFTYPE_STATION), | |
1592 | }, | |
1593 | { | |
1594 | .max = 1, | |
1595 | .types = BIT(NL80211_IFTYPE_P2P_GO) | | |
1596 | BIT(NL80211_IFTYPE_AP), | |
1597 | }, | |
1598 | }; | |
1599 | ||
1600 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { | |
1601 | { | |
1602 | .max = 2, | |
1603 | .types = BIT(NL80211_IFTYPE_STATION), | |
1604 | }, | |
1605 | { | |
1606 | .max = 1, | |
1607 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), | |
1608 | }, | |
1609 | }; | |
1610 | ||
1611 | static const struct ieee80211_iface_combination | |
1612 | iwlagn_iface_combinations_dualmode[] = { | |
1613 | { .num_different_channels = 1, | |
1614 | .max_interfaces = 2, | |
1615 | .beacon_int_infra_match = true, | |
1616 | .limits = iwlagn_sta_ap_limits, | |
1617 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), | |
1618 | }, | |
1619 | { .num_different_channels = 1, | |
1620 | .max_interfaces = 2, | |
1621 | .limits = iwlagn_2sta_limits, | |
1622 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), | |
1623 | }, | |
1624 | }; | |
1625 | ||
1626 | static const struct ieee80211_iface_combination | |
1627 | iwlagn_iface_combinations_p2p[] = { | |
1628 | { .num_different_channels = 1, | |
1629 | .max_interfaces = 2, | |
1630 | .beacon_int_infra_match = true, | |
1631 | .limits = iwlagn_p2p_sta_go_limits, | |
1632 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), | |
1633 | }, | |
1634 | { .num_different_channels = 1, | |
1635 | .max_interfaces = 2, | |
1636 | .limits = iwlagn_p2p_2sta_limits, | |
1637 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), | |
1638 | }, | |
1639 | }; | |
1640 | ||
f0b6e2e8 RC |
1641 | /* |
1642 | * Not a mac80211 entry point function, but it fits in with all the | |
1643 | * other mac80211 functions grouped here. | |
1644 | */ | |
dd7a2509 JB |
1645 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
1646 | struct iwlagn_ucode_capabilities *capa) | |
f0b6e2e8 RC |
1647 | { |
1648 | int ret; | |
1649 | struct ieee80211_hw *hw = priv->hw; | |
d0fe478c JB |
1650 | struct iwl_rxon_context *ctx; |
1651 | ||
f0b6e2e8 RC |
1652 | hw->rate_control_algorithm = "iwl-agn-rs"; |
1653 | ||
1654 | /* Tell mac80211 our characteristics */ | |
1655 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
f0b6e2e8 | 1656 | IEEE80211_HW_AMPDU_AGGREGATION | |
2491fa42 | 1657 | IEEE80211_HW_NEED_DTIM_PERIOD | |
6fb5511a JB |
1658 | IEEE80211_HW_SPECTRUM_MGMT | |
1659 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; | |
f0b6e2e8 | 1660 | |
2249b011 DF |
1661 | /* |
1662 | * Including the following line will crash some AP's. This | |
1663 | * workaround removes the stimulus which causes the crash until | |
1664 | * the AP software can be fixed. | |
9b768832 | 1665 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
2249b011 | 1666 | */ |
9b768832 | 1667 | |
23c0fcc6 WYG |
1668 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
1669 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; | |
f0b6e2e8 | 1670 | |
88950758 | 1671 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
ba37a3d0 JB |
1672 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
1673 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; | |
1674 | ||
3997ff39 JB |
1675 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
1676 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; | |
1677 | ||
8d9698b3 | 1678 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
fd1af15d JB |
1679 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
1680 | ||
d0fe478c JB |
1681 | for_each_context(priv, ctx) { |
1682 | hw->wiphy->interface_modes |= ctx->interface_modes; | |
1683 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; | |
1684 | } | |
f0b6e2e8 | 1685 | |
0fd09502 JB |
1686 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
1687 | ||
f35490f9 | 1688 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
0fd09502 JB |
1689 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
1690 | hw->wiphy->n_iface_combinations = | |
1691 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); | |
f35490f9 | 1692 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
0fd09502 JB |
1693 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
1694 | hw->wiphy->n_iface_combinations = | |
1695 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); | |
1696 | } | |
1697 | ||
9b9190d9 JB |
1698 | hw->wiphy->max_remain_on_channel_duration = 1000; |
1699 | ||
f6c8f152 | 1700 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
274102a8 JB |
1701 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
1702 | WIPHY_FLAG_IBSS_RSN; | |
f0b6e2e8 | 1703 | |
c8ac61cf JB |
1704 | if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { |
1705 | hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | | |
1706 | WIPHY_WOWLAN_DISCONNECT | | |
1707 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
1708 | WIPHY_WOWLAN_RFKILL_RELEASE; | |
1709 | if (!iwlagn_mod_params.sw_crypto) | |
1710 | hw->wiphy->wowlan.flags |= | |
1711 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
1712 | WIPHY_WOWLAN_GTK_REKEY_FAILURE; | |
1713 | ||
1714 | hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; | |
1715 | hw->wiphy->wowlan.pattern_min_len = | |
1716 | IWLAGN_WOWLAN_MIN_PATTERN_LEN; | |
1717 | hw->wiphy->wowlan.pattern_max_len = | |
1718 | IWLAGN_WOWLAN_MAX_PATTERN_LEN; | |
1719 | } | |
1720 | ||
0172b029 WYG |
1721 | if (iwlagn_mod_params.power_save) |
1722 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
1723 | else | |
1724 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
f0b6e2e8 | 1725 | |
1382c71c | 1726 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
f0b6e2e8 | 1727 | /* we create the 802.11 header and a zero-length SSID element */ |
dd7a2509 | 1728 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
f0b6e2e8 RC |
1729 | |
1730 | /* Default value; 4 EDCA QOS priorities */ | |
1731 | hw->queues = 4; | |
1732 | ||
1733 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; | |
1734 | ||
1735 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) | |
1736 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
1737 | &priv->bands[IEEE80211_BAND_2GHZ]; | |
1738 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) | |
1739 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
1740 | &priv->bands[IEEE80211_BAND_5GHZ]; | |
1741 | ||
5ed540ae WYG |
1742 | iwl_leds_init(priv); |
1743 | ||
f0b6e2e8 RC |
1744 | ret = ieee80211_register_hw(priv->hw); |
1745 | if (ret) { | |
1746 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); | |
1747 | return ret; | |
1748 | } | |
859cfb0a | 1749 | priv->mac80211_registered = 1; |
f0b6e2e8 RC |
1750 | |
1751 | return 0; | |
1752 | } | |
1753 | ||
1754 | ||
2dedbf58 | 1755 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
b481de9c | 1756 | { |
c79dd5b5 | 1757 | struct iwl_priv *priv = hw->priv; |
5a66926a | 1758 | int ret; |
b481de9c | 1759 | |
e1623446 | 1760 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c ZY |
1761 | |
1762 | /* we should be verifying the device is ready to be opened */ | |
6ac2f839 | 1763 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1764 | ret = __iwl_up(priv); |
6ac2f839 | 1765 | mutex_unlock(&priv->shrd->mutex); |
e655b9f0 | 1766 | if (ret) |
6cd0b1cb | 1767 | return ret; |
e655b9f0 | 1768 | |
e1623446 | 1769 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
e655b9f0 | 1770 | |
ca7966c8 | 1771 | /* Now we should be done, and the READY bit should be set. */ |
63013ae3 | 1772 | if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) |
ca7966c8 | 1773 | ret = -EIO; |
0a078ffa | 1774 | |
5ed540ae | 1775 | iwlagn_led_enable(priv); |
e932a609 | 1776 | |
0a078ffa | 1777 | priv->is_open = 1; |
e1623446 | 1778 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1779 | return 0; |
1780 | } | |
1781 | ||
2dedbf58 | 1782 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
b481de9c | 1783 | { |
c79dd5b5 | 1784 | struct iwl_priv *priv = hw->priv; |
b481de9c | 1785 | |
e1623446 | 1786 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
948c171c | 1787 | |
19cc1087 | 1788 | if (!priv->is_open) |
e655b9f0 | 1789 | return; |
e655b9f0 | 1790 | |
b481de9c | 1791 | priv->is_open = 0; |
5a66926a | 1792 | |
5b9f8cd3 | 1793 | iwl_down(priv); |
5a66926a | 1794 | |
74e28e44 | 1795 | flush_workqueue(priv->shrd->workqueue); |
6cd0b1cb | 1796 | |
554d1d02 SG |
1797 | /* User space software may expect getting rfkill changes |
1798 | * even if interface is down */ | |
83ed9015 | 1799 | iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); |
554d1d02 | 1800 | iwl_enable_rfkill_int(priv); |
948c171c | 1801 | |
e1623446 | 1802 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1803 | } |
1804 | ||
c01a4047 | 1805 | #ifdef CONFIG_PM_SLEEP |
c8ac61cf JB |
1806 | static int iwlagn_send_patterns(struct iwl_priv *priv, |
1807 | struct cfg80211_wowlan *wowlan) | |
1808 | { | |
1809 | struct iwlagn_wowlan_patterns_cmd *pattern_cmd; | |
1810 | struct iwl_host_cmd cmd = { | |
1811 | .id = REPLY_WOWLAN_PATTERNS, | |
1812 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
1813 | .flags = CMD_SYNC, | |
1814 | }; | |
1815 | int i, err; | |
1816 | ||
1817 | if (!wowlan->n_patterns) | |
1818 | return 0; | |
1819 | ||
1820 | cmd.len[0] = sizeof(*pattern_cmd) + | |
1821 | wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); | |
1822 | ||
1823 | pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); | |
1824 | if (!pattern_cmd) | |
1825 | return -ENOMEM; | |
1826 | ||
1827 | pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); | |
1828 | ||
1829 | for (i = 0; i < wowlan->n_patterns; i++) { | |
1830 | int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); | |
1831 | ||
1832 | memcpy(&pattern_cmd->patterns[i].mask, | |
1833 | wowlan->patterns[i].mask, mask_len); | |
1834 | memcpy(&pattern_cmd->patterns[i].pattern, | |
1835 | wowlan->patterns[i].pattern, | |
1836 | wowlan->patterns[i].pattern_len); | |
1837 | pattern_cmd->patterns[i].mask_size = mask_len; | |
1838 | pattern_cmd->patterns[i].pattern_size = | |
1839 | wowlan->patterns[i].pattern_len; | |
1840 | } | |
1841 | ||
1842 | cmd.data[0] = pattern_cmd; | |
e6bb4c9c | 1843 | err = iwl_trans_send_cmd(trans(priv), &cmd); |
c8ac61cf JB |
1844 | kfree(pattern_cmd); |
1845 | return err; | |
1846 | } | |
26293133 | 1847 | #endif |
c8ac61cf JB |
1848 | |
1849 | static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, | |
1850 | struct ieee80211_vif *vif, | |
1851 | struct cfg80211_gtk_rekey_data *data) | |
1852 | { | |
1853 | struct iwl_priv *priv = hw->priv; | |
1854 | ||
1855 | if (iwlagn_mod_params.sw_crypto) | |
1856 | return; | |
1857 | ||
6ac2f839 | 1858 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
1859 | |
1860 | if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) | |
1861 | goto out; | |
1862 | ||
1863 | memcpy(priv->kek, data->kek, NL80211_KEK_LEN); | |
1864 | memcpy(priv->kck, data->kck, NL80211_KCK_LEN); | |
1865 | priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); | |
1866 | priv->have_rekey_data = true; | |
1867 | ||
1868 | out: | |
6ac2f839 | 1869 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
1870 | } |
1871 | ||
1872 | struct wowlan_key_data { | |
1873 | struct iwl_rxon_context *ctx; | |
1874 | struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; | |
1875 | struct iwlagn_wowlan_tkip_params_cmd *tkip; | |
1876 | const u8 *bssid; | |
1877 | bool error, use_rsc_tsc, use_tkip; | |
1878 | }; | |
1879 | ||
c01a4047 | 1880 | #ifdef CONFIG_PM_SLEEP |
c8ac61cf JB |
1881 | static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) |
1882 | { | |
1883 | int i; | |
1884 | ||
1885 | for (i = 0; i < IWLAGN_P1K_SIZE; i++) | |
1886 | out[i] = cpu_to_le16(p1k[i]); | |
1887 | } | |
1888 | ||
1889 | static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, | |
1890 | struct ieee80211_vif *vif, | |
1891 | struct ieee80211_sta *sta, | |
1892 | struct ieee80211_key_conf *key, | |
1893 | void *_data) | |
1894 | { | |
1895 | struct iwl_priv *priv = hw->priv; | |
1896 | struct wowlan_key_data *data = _data; | |
1897 | struct iwl_rxon_context *ctx = data->ctx; | |
1898 | struct aes_sc *aes_sc, *aes_tx_sc = NULL; | |
1899 | struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; | |
1900 | struct iwlagn_p1k_cache *rx_p1ks; | |
1901 | u8 *rx_mic_key; | |
1902 | struct ieee80211_key_seq seq; | |
1903 | u32 cur_rx_iv32 = 0; | |
1904 | u16 p1k[IWLAGN_P1K_SIZE]; | |
1905 | int ret, i; | |
1906 | ||
6ac2f839 | 1907 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
1908 | |
1909 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
1910 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && | |
1911 | !sta && !ctx->key_mapping_keys) | |
1912 | ret = iwl_set_default_wep_key(priv, ctx, key); | |
1913 | else | |
1914 | ret = iwl_set_dynamic_key(priv, ctx, key, sta); | |
1915 | ||
1916 | if (ret) { | |
1917 | IWL_ERR(priv, "Error setting key during suspend!\n"); | |
1918 | data->error = true; | |
1919 | } | |
1920 | ||
1921 | switch (key->cipher) { | |
1922 | case WLAN_CIPHER_SUITE_TKIP: | |
1923 | if (sta) { | |
1924 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; | |
1925 | tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; | |
1926 | ||
1927 | rx_p1ks = data->tkip->rx_uni; | |
1928 | ||
1929 | ieee80211_get_key_tx_seq(key, &seq); | |
1930 | tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); | |
1931 | tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); | |
1932 | ||
1933 | ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); | |
1934 | iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); | |
1935 | ||
1936 | memcpy(data->tkip->mic_keys.tx, | |
1937 | &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], | |
1938 | IWLAGN_MIC_KEY_SIZE); | |
1939 | ||
1940 | rx_mic_key = data->tkip->mic_keys.rx_unicast; | |
1941 | } else { | |
1942 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; | |
1943 | rx_p1ks = data->tkip->rx_multi; | |
1944 | rx_mic_key = data->tkip->mic_keys.rx_mcast; | |
1945 | } | |
1946 | ||
1947 | /* | |
1948 | * For non-QoS this relies on the fact that both the uCode and | |
1949 | * mac80211 use TID 0 (as they need to to avoid replay attacks) | |
1950 | * for checking the IV in the frames. | |
1951 | */ | |
1952 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
1953 | ieee80211_get_key_rx_seq(key, i, &seq); | |
1954 | tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); | |
1955 | tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); | |
1956 | /* wrapping isn't allowed, AP must rekey */ | |
1957 | if (seq.tkip.iv32 > cur_rx_iv32) | |
1958 | cur_rx_iv32 = seq.tkip.iv32; | |
1959 | } | |
1960 | ||
1961 | ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); | |
1962 | iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); | |
1963 | ieee80211_get_tkip_rx_p1k(key, data->bssid, | |
1964 | cur_rx_iv32 + 1, p1k); | |
1965 | iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); | |
1966 | ||
1967 | memcpy(rx_mic_key, | |
1968 | &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], | |
1969 | IWLAGN_MIC_KEY_SIZE); | |
1970 | ||
1971 | data->use_tkip = true; | |
1972 | data->use_rsc_tsc = true; | |
1973 | break; | |
1974 | case WLAN_CIPHER_SUITE_CCMP: | |
1975 | if (sta) { | |
1976 | u8 *pn = seq.ccmp.pn; | |
1977 | ||
1978 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; | |
1979 | aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; | |
1980 | ||
1981 | ieee80211_get_key_tx_seq(key, &seq); | |
1982 | aes_tx_sc->pn = cpu_to_le64( | |
1983 | (u64)pn[5] | | |
1984 | ((u64)pn[4] << 8) | | |
1985 | ((u64)pn[3] << 16) | | |
1986 | ((u64)pn[2] << 24) | | |
1987 | ((u64)pn[1] << 32) | | |
1988 | ((u64)pn[0] << 40)); | |
1989 | } else | |
1990 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; | |
1991 | ||
1992 | /* | |
1993 | * For non-QoS this relies on the fact that both the uCode and | |
1994 | * mac80211 use TID 0 for checking the IV in the frames. | |
1995 | */ | |
1996 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
1997 | u8 *pn = seq.ccmp.pn; | |
1998 | ||
1999 | ieee80211_get_key_rx_seq(key, i, &seq); | |
2000 | aes_sc->pn = cpu_to_le64( | |
2001 | (u64)pn[5] | | |
2002 | ((u64)pn[4] << 8) | | |
2003 | ((u64)pn[3] << 16) | | |
2004 | ((u64)pn[2] << 24) | | |
2005 | ((u64)pn[1] << 32) | | |
2006 | ((u64)pn[0] << 40)); | |
2007 | } | |
2008 | data->use_rsc_tsc = true; | |
2009 | break; | |
2010 | } | |
2011 | ||
6ac2f839 | 2012 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2013 | } |
2014 | ||
2015 | static int iwlagn_mac_suspend(struct ieee80211_hw *hw, | |
2016 | struct cfg80211_wowlan *wowlan) | |
2017 | { | |
2018 | struct iwl_priv *priv = hw->priv; | |
2019 | struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; | |
2020 | struct iwl_rxon_cmd rxon; | |
2021 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2022 | struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; | |
2023 | struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; | |
2024 | struct wowlan_key_data key_data = { | |
2025 | .ctx = ctx, | |
2026 | .bssid = ctx->active.bssid_addr, | |
2027 | .use_rsc_tsc = false, | |
2028 | .tkip = &tkip_cmd, | |
2029 | .use_tkip = false, | |
2030 | }; | |
2031 | int ret, i; | |
2032 | u16 seq; | |
2033 | ||
2034 | if (WARN_ON(!wowlan)) | |
2035 | return -EINVAL; | |
2036 | ||
6ac2f839 | 2037 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2038 | |
2039 | /* Don't attempt WoWLAN when not associated, tear down instead. */ | |
2040 | if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || | |
2041 | !iwl_is_associated_ctx(ctx)) { | |
2042 | ret = 1; | |
2043 | goto out; | |
2044 | } | |
2045 | ||
2046 | key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); | |
2047 | if (!key_data.rsc_tsc) { | |
2048 | ret = -ENOMEM; | |
2049 | goto out; | |
2050 | } | |
2051 | ||
2052 | memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); | |
2053 | ||
2054 | /* | |
2055 | * We know the last used seqno, and the uCode expects to know that | |
2056 | * one, it will increment before TX. | |
2057 | */ | |
2058 | seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; | |
2059 | wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); | |
2060 | ||
2061 | /* | |
2062 | * For QoS counters, we store the one to use next, so subtract 0x10 | |
2063 | * since the uCode will add 0x10 before using the value. | |
2064 | */ | |
2065 | for (i = 0; i < 8; i++) { | |
5f85a789 | 2066 | seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; |
c8ac61cf JB |
2067 | seq -= 0x10; |
2068 | wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); | |
2069 | } | |
2070 | ||
2071 | if (wowlan->disconnect) | |
2072 | wakeup_filter_cmd.enabled |= | |
2073 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | | |
2074 | IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); | |
2075 | if (wowlan->magic_pkt) | |
2076 | wakeup_filter_cmd.enabled |= | |
2077 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); | |
2078 | if (wowlan->gtk_rekey_failure) | |
2079 | wakeup_filter_cmd.enabled |= | |
2080 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); | |
2081 | if (wowlan->eap_identity_req) | |
2082 | wakeup_filter_cmd.enabled |= | |
2083 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); | |
2084 | if (wowlan->four_way_handshake) | |
2085 | wakeup_filter_cmd.enabled |= | |
2086 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); | |
2087 | if (wowlan->rfkill_release) | |
2088 | wakeup_filter_cmd.enabled |= | |
2089 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); | |
2090 | if (wowlan->n_patterns) | |
2091 | wakeup_filter_cmd.enabled |= | |
2092 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); | |
2093 | ||
2094 | iwl_scan_cancel_timeout(priv, 200); | |
2095 | ||
2096 | memcpy(&rxon, &ctx->active, sizeof(rxon)); | |
2097 | ||
e6bb4c9c | 2098 | iwl_trans_stop_device(trans(priv)); |
c8ac61cf | 2099 | |
57210f7c | 2100 | priv->shrd->wowlan = true; |
c8ac61cf JB |
2101 | |
2102 | ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, | |
2103 | IWL_UCODE_WOWLAN); | |
2104 | if (ret) | |
2105 | goto error; | |
2106 | ||
2107 | /* now configure WoWLAN ucode */ | |
2108 | ret = iwl_alive_start(priv); | |
2109 | if (ret) | |
2110 | goto error; | |
2111 | ||
2112 | memcpy(&ctx->staging, &rxon, sizeof(rxon)); | |
2113 | ret = iwlagn_commit_rxon(priv, ctx); | |
2114 | if (ret) | |
2115 | goto error; | |
2116 | ||
2117 | ret = iwl_power_update_mode(priv, true); | |
2118 | if (ret) | |
2119 | goto error; | |
2120 | ||
2121 | if (!iwlagn_mod_params.sw_crypto) { | |
2122 | /* mark all keys clear */ | |
2123 | priv->ucode_key_table = 0; | |
2124 | ctx->key_mapping_keys = 0; | |
2125 | ||
2126 | /* | |
2127 | * This needs to be unlocked due to lock ordering | |
2128 | * constraints. Since we're in the suspend path | |
2129 | * that isn't really a problem though. | |
2130 | */ | |
6ac2f839 | 2131 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2132 | ieee80211_iter_keys(priv->hw, ctx->vif, |
2133 | iwlagn_wowlan_program_keys, | |
2134 | &key_data); | |
6ac2f839 | 2135 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2136 | if (key_data.error) { |
2137 | ret = -EIO; | |
2138 | goto error; | |
2139 | } | |
2140 | ||
2141 | if (key_data.use_rsc_tsc) { | |
2142 | struct iwl_host_cmd rsc_tsc_cmd = { | |
2143 | .id = REPLY_WOWLAN_TSC_RSC_PARAMS, | |
2144 | .flags = CMD_SYNC, | |
2145 | .data[0] = key_data.rsc_tsc, | |
2146 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
2147 | .len[0] = sizeof(*key_data.rsc_tsc), | |
2148 | }; | |
2149 | ||
e6bb4c9c | 2150 | ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); |
c8ac61cf JB |
2151 | if (ret) |
2152 | goto error; | |
2153 | } | |
2154 | ||
2155 | if (key_data.use_tkip) { | |
e6bb4c9c | 2156 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2157 | REPLY_WOWLAN_TKIP_PARAMS, |
2158 | CMD_SYNC, sizeof(tkip_cmd), | |
2159 | &tkip_cmd); | |
2160 | if (ret) | |
2161 | goto error; | |
2162 | } | |
2163 | ||
2164 | if (priv->have_rekey_data) { | |
2165 | memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); | |
2166 | memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); | |
2167 | kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); | |
2168 | memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); | |
2169 | kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); | |
2170 | kek_kck_cmd.replay_ctr = priv->replay_ctr; | |
2171 | ||
e6bb4c9c | 2172 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2173 | REPLY_WOWLAN_KEK_KCK_MATERIAL, |
2174 | CMD_SYNC, sizeof(kek_kck_cmd), | |
2175 | &kek_kck_cmd); | |
2176 | if (ret) | |
2177 | goto error; | |
2178 | } | |
2179 | } | |
2180 | ||
e6bb4c9c | 2181 | ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, |
c8ac61cf JB |
2182 | CMD_SYNC, sizeof(wakeup_filter_cmd), |
2183 | &wakeup_filter_cmd); | |
2184 | if (ret) | |
2185 | goto error; | |
2186 | ||
2187 | ret = iwlagn_send_patterns(priv, wowlan); | |
2188 | if (ret) | |
2189 | goto error; | |
2190 | ||
2191 | device_set_wakeup_enable(priv->bus->dev, true); | |
2192 | ||
2193 | /* Now let the ucode operate on its own */ | |
83ed9015 | 2194 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, |
c8ac61cf JB |
2195 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
2196 | ||
2197 | goto out; | |
2198 | ||
2199 | error: | |
57210f7c | 2200 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2201 | iwlagn_prepare_restart(priv); |
2202 | ieee80211_restart_hw(priv->hw); | |
2203 | out: | |
6ac2f839 | 2204 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2205 | kfree(key_data.rsc_tsc); |
2206 | return ret; | |
2207 | } | |
2208 | ||
2209 | static int iwlagn_mac_resume(struct ieee80211_hw *hw) | |
2210 | { | |
2211 | struct iwl_priv *priv = hw->priv; | |
2212 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2213 | struct ieee80211_vif *vif; | |
2214 | unsigned long flags; | |
2215 | u32 base, status = 0xffffffff; | |
2216 | int ret = -EIO; | |
2217 | ||
6ac2f839 | 2218 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf | 2219 | |
83ed9015 | 2220 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
c8ac61cf JB |
2221 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
2222 | ||
2223 | base = priv->device_pointers.error_event_table; | |
2224 | if (iwlagn_hw_valid_rtc_data_addr(base)) { | |
83ed9015 EG |
2225 | spin_lock_irqsave(&bus(priv)->reg_lock, flags); |
2226 | ret = iwl_grab_nic_access_silent(bus(priv)); | |
c8ac61cf | 2227 | if (ret == 0) { |
83ed9015 EG |
2228 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); |
2229 | status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); | |
2230 | iwl_release_nic_access(bus(priv)); | |
c8ac61cf | 2231 | } |
83ed9015 | 2232 | spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); |
c8ac61cf JB |
2233 | |
2234 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
2235 | if (ret == 0) { | |
2236 | if (!priv->wowlan_sram) | |
2237 | priv->wowlan_sram = | |
2238 | kzalloc(priv->ucode_wowlan.data.len, | |
2239 | GFP_KERNEL); | |
2240 | ||
2241 | if (priv->wowlan_sram) | |
2242 | _iwl_read_targ_mem_words( | |
83ed9015 | 2243 | bus(priv), 0x800000, priv->wowlan_sram, |
c8ac61cf JB |
2244 | priv->ucode_wowlan.data.len / 4); |
2245 | } | |
2246 | #endif | |
2247 | } | |
2248 | ||
2249 | /* we'll clear ctx->vif during iwlagn_prepare_restart() */ | |
2250 | vif = ctx->vif; | |
2251 | ||
57210f7c | 2252 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2253 | |
2254 | device_set_wakeup_enable(priv->bus->dev, false); | |
2255 | ||
2256 | iwlagn_prepare_restart(priv); | |
2257 | ||
2258 | memset((void *)&ctx->active, 0, sizeof(ctx->active)); | |
2259 | iwl_connection_init_rx_config(priv, ctx); | |
2260 | iwlagn_set_rxon_chain(priv, ctx); | |
2261 | ||
6ac2f839 | 2262 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2263 | |
2264 | ieee80211_resume_disconnect(vif); | |
2265 | ||
2266 | return 1; | |
2267 | } | |
26293133 | 2268 | #endif |
c8ac61cf | 2269 | |
2dedbf58 | 2270 | static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
b481de9c | 2271 | { |
c79dd5b5 | 2272 | struct iwl_priv *priv = hw->priv; |
b481de9c | 2273 | |
e1623446 | 2274 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
b481de9c | 2275 | |
e1623446 | 2276 | IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, |
e039fa4a | 2277 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
b481de9c | 2278 | |
74bcdb33 | 2279 | if (iwlagn_tx_skb(priv, skb)) |
b481de9c ZY |
2280 | dev_kfree_skb_any(skb); |
2281 | ||
e1623446 | 2282 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
b481de9c ZY |
2283 | } |
2284 | ||
2dedbf58 JB |
2285 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
2286 | struct ieee80211_vif *vif, | |
2287 | struct ieee80211_key_conf *keyconf, | |
2288 | struct ieee80211_sta *sta, | |
2289 | u32 iv32, u16 *phase1key) | |
ab885f8c | 2290 | { |
9f58671e | 2291 | struct iwl_priv *priv = hw->priv; |
ab885f8c | 2292 | |
5a3d9882 | 2293 | iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); |
ab885f8c EG |
2294 | } |
2295 | ||
2dedbf58 JB |
2296 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2297 | struct ieee80211_vif *vif, | |
2298 | struct ieee80211_sta *sta, | |
2299 | struct ieee80211_key_conf *key) | |
b481de9c | 2300 | { |
c79dd5b5 | 2301 | struct iwl_priv *priv = hw->priv; |
a194e324 | 2302 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
c10afb6e | 2303 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
42986796 | 2304 | int ret; |
42986796 | 2305 | bool is_default_wep_key = false; |
b481de9c | 2306 | |
e1623446 | 2307 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c | 2308 | |
9d143e9a | 2309 | if (iwlagn_mod_params.sw_crypto) { |
e1623446 | 2310 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
b481de9c ZY |
2311 | return -EOPNOTSUPP; |
2312 | } | |
b481de9c | 2313 | |
274102a8 | 2314 | /* |
5a3d9882 JB |
2315 | * We could program these keys into the hardware as well, but we |
2316 | * don't expect much multicast traffic in IBSS and having keys | |
2317 | * for more stations is probably more useful. | |
2318 | * | |
2319 | * Mark key TX-only and return 0. | |
274102a8 JB |
2320 | */ |
2321 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
5a3d9882 JB |
2322 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
2323 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2324 | return 0; | |
2325 | } | |
274102a8 | 2326 | |
5a3d9882 JB |
2327 | /* If they key was TX-only, accept deletion */ |
2328 | if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) | |
2329 | return 0; | |
b481de9c | 2330 | |
6ac2f839 | 2331 | mutex_lock(&priv->shrd->mutex); |
2a421b91 | 2332 | iwl_scan_cancel_timeout(priv, 100); |
6974e363 | 2333 | |
5a3d9882 JB |
2334 | BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); |
2335 | ||
a90178fa JB |
2336 | /* |
2337 | * If we are getting WEP group key and we didn't receive any key mapping | |
6974e363 EG |
2338 | * so far, we are in legacy wep mode (group key only), otherwise we are |
2339 | * in 1X mode. | |
a90178fa JB |
2340 | * In legacy wep mode, we use another host command to the uCode. |
2341 | */ | |
97359d12 | 2342 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
5a3d9882 | 2343 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { |
6974e363 | 2344 | if (cmd == SET_KEY) |
c10afb6e | 2345 | is_default_wep_key = !ctx->key_mapping_keys; |
6974e363 | 2346 | else |
ccc038ab | 2347 | is_default_wep_key = |
5a3d9882 | 2348 | key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; |
6974e363 | 2349 | } |
052c4b9f | 2350 | |
5a3d9882 | 2351 | |
b481de9c | 2352 | switch (cmd) { |
deb09c43 | 2353 | case SET_KEY: |
5a3d9882 | 2354 | if (is_default_wep_key) { |
2995bafa | 2355 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
5a3d9882 JB |
2356 | break; |
2357 | } | |
2358 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); | |
2359 | if (ret) { | |
2360 | /* | |
2361 | * can't add key for RX, but we don't need it | |
2362 | * in the device for TX so still return 0 | |
2363 | */ | |
2364 | ret = 0; | |
2365 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2366 | } | |
deb09c43 | 2367 | |
e1623446 | 2368 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
b481de9c ZY |
2369 | break; |
2370 | case DISABLE_KEY: | |
6974e363 | 2371 | if (is_default_wep_key) |
c10afb6e | 2372 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
deb09c43 | 2373 | else |
5a3d9882 | 2374 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta); |
deb09c43 | 2375 | |
e1623446 | 2376 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
b481de9c ZY |
2377 | break; |
2378 | default: | |
deb09c43 | 2379 | ret = -EINVAL; |
b481de9c ZY |
2380 | } |
2381 | ||
6ac2f839 | 2382 | mutex_unlock(&priv->shrd->mutex); |
e1623446 | 2383 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c | 2384 | |
deb09c43 | 2385 | return ret; |
b481de9c ZY |
2386 | } |
2387 | ||
2dedbf58 JB |
2388 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
2389 | struct ieee80211_vif *vif, | |
2390 | enum ieee80211_ampdu_mlme_action action, | |
2391 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
2392 | u8 buf_size) | |
d783b061 TW |
2393 | { |
2394 | struct iwl_priv *priv = hw->priv; | |
4620fefa | 2395 | int ret = -EINVAL; |
7b090687 | 2396 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
ba562f71 | 2397 | struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); |
d783b061 | 2398 | |
e1623446 | 2399 | IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", |
e174961c | 2400 | sta->addr, tid); |
d783b061 | 2401 | |
88950758 | 2402 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
d783b061 TW |
2403 | return -EACCES; |
2404 | ||
6ac2f839 | 2405 | mutex_lock(&priv->shrd->mutex); |
4620fefa | 2406 | |
d783b061 TW |
2407 | switch (action) { |
2408 | case IEEE80211_AMPDU_RX_START: | |
e1623446 | 2409 | IWL_DEBUG_HT(priv, "start Rx\n"); |
4620fefa JB |
2410 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
2411 | break; | |
d783b061 | 2412 | case IEEE80211_AMPDU_RX_STOP: |
e1623446 | 2413 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
619753ff | 2414 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
63013ae3 | 2415 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa JB |
2416 | ret = 0; |
2417 | break; | |
d783b061 | 2418 | case IEEE80211_AMPDU_TX_START: |
e1623446 | 2419 | IWL_DEBUG_HT(priv, "start Tx\n"); |
619753ff | 2420 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
d5a0ffa3 | 2421 | if (ret == 0) { |
898ed67b WYG |
2422 | priv->agg_tids_count++; |
2423 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2424 | priv->agg_tids_count); | |
d5a0ffa3 | 2425 | } |
4620fefa | 2426 | break; |
d783b061 | 2427 | case IEEE80211_AMPDU_TX_STOP: |
e1623446 | 2428 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
619753ff | 2429 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
898ed67b WYG |
2430 | if ((ret == 0) && (priv->agg_tids_count > 0)) { |
2431 | priv->agg_tids_count--; | |
2432 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2433 | priv->agg_tids_count); | |
d5a0ffa3 | 2434 | } |
63013ae3 | 2435 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa | 2436 | ret = 0; |
7cb1b088 WYG |
2437 | if (priv->cfg->ht_params && |
2438 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
94597ab2 JB |
2439 | /* |
2440 | * switch off RTS/CTS if it was previously enabled | |
2441 | */ | |
94597ab2 JB |
2442 | sta_priv->lq_sta.lq.general_params.flags &= |
2443 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
7e6a5886 JB |
2444 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
2445 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
94597ab2 | 2446 | } |
4620fefa | 2447 | break; |
f0527971 | 2448 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
c8823ec1 JB |
2449 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
2450 | ||
c91bd124 | 2451 | iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), |
ba562f71 | 2452 | tid, buf_size); |
c8823ec1 | 2453 | |
7b090687 JB |
2454 | /* |
2455 | * If the limit is 0, then it wasn't initialised yet, | |
2456 | * use the default. We can do that since we take the | |
2457 | * minimum below, and we don't want to go above our | |
2458 | * default due to hardware restrictions. | |
2459 | */ | |
2460 | if (sta_priv->max_agg_bufsize == 0) | |
2461 | sta_priv->max_agg_bufsize = | |
2462 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; | |
2463 | ||
2464 | /* | |
2465 | * Even though in theory the peer could have different | |
2466 | * aggregation reorder buffer sizes for different sessions, | |
2467 | * our ucode doesn't allow for that and has a global limit | |
2468 | * for each station. Therefore, use the minimum of all the | |
2469 | * aggregation sessions and our default value. | |
2470 | */ | |
2471 | sta_priv->max_agg_bufsize = | |
2472 | min(sta_priv->max_agg_bufsize, buf_size); | |
2473 | ||
7cb1b088 WYG |
2474 | if (priv->cfg->ht_params && |
2475 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
cfecc6b4 WYG |
2476 | /* |
2477 | * switch to RTS/CTS if it is the prefer protection | |
2478 | * method for HT traffic | |
2479 | */ | |
94597ab2 JB |
2480 | |
2481 | sta_priv->lq_sta.lq.general_params.flags |= | |
2482 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
cfecc6b4 | 2483 | } |
7b090687 JB |
2484 | |
2485 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = | |
2486 | sta_priv->max_agg_bufsize; | |
2487 | ||
2488 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), | |
2489 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
5bc9890f WYG |
2490 | |
2491 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", | |
2492 | sta->addr, tid); | |
cfecc6b4 | 2493 | ret = 0; |
d783b061 TW |
2494 | break; |
2495 | } | |
6ac2f839 | 2496 | mutex_unlock(&priv->shrd->mutex); |
4620fefa JB |
2497 | |
2498 | return ret; | |
d783b061 | 2499 | } |
9f58671e | 2500 | |
2dedbf58 JB |
2501 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
2502 | struct ieee80211_vif *vif, | |
2503 | struct ieee80211_sta *sta) | |
fe6b23dd RC |
2504 | { |
2505 | struct iwl_priv *priv = hw->priv; | |
2506 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; | |
a194e324 | 2507 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
eafdfbd3 | 2508 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
fe6b23dd RC |
2509 | int ret; |
2510 | u8 sta_id; | |
2511 | ||
2512 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", | |
2513 | sta->addr); | |
6ac2f839 | 2514 | mutex_lock(&priv->shrd->mutex); |
da5ae1cf RC |
2515 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
2516 | sta->addr); | |
c6892906 | 2517 | sta_priv->sta_id = IWL_INVALID_STATION; |
fe6b23dd RC |
2518 | |
2519 | atomic_set(&sta_priv->pending_frames, 0); | |
2520 | if (vif->type == NL80211_IFTYPE_AP) | |
2521 | sta_priv->client = true; | |
2522 | ||
a194e324 | 2523 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
238d781d | 2524 | is_ap, sta, &sta_id); |
fe6b23dd RC |
2525 | if (ret) { |
2526 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", | |
2527 | sta->addr, ret); | |
2528 | /* Should we return success if return code is EEXIST ? */ | |
6ac2f839 | 2529 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd RC |
2530 | return ret; |
2531 | } | |
2532 | ||
c6892906 | 2533 | sta_priv->sta_id = sta_id; |
fd1af15d | 2534 | |
fe6b23dd | 2535 | /* Initialize rate scaling */ |
91dd6c27 | 2536 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
fe6b23dd RC |
2537 | sta->addr); |
2538 | iwl_rs_rate_init(priv, sta, sta_id); | |
6ac2f839 | 2539 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd | 2540 | |
fd1af15d | 2541 | return 0; |
fe6b23dd RC |
2542 | } |
2543 | ||
2dedbf58 JB |
2544 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
2545 | struct ieee80211_channel_switch *ch_switch) | |
79d07325 WYG |
2546 | { |
2547 | struct iwl_priv *priv = hw->priv; | |
2548 | const struct iwl_channel_info *ch_info; | |
2549 | struct ieee80211_conf *conf = &hw->conf; | |
aa2dc6b5 | 2550 | struct ieee80211_channel *channel = ch_switch->channel; |
79d07325 | 2551 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
246ed355 JB |
2552 | /* |
2553 | * MULTI-FIXME | |
2554 | * When we add support for multiple interfaces, we need to | |
2555 | * revisit this. The channel switch command in the device | |
2556 | * only affects the BSS context, but what does that really | |
2557 | * mean? And what if we get a CSA on the second interface? | |
2558 | * This needs a lot of work. | |
2559 | */ | |
2560 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
79d07325 | 2561 | u16 ch; |
79d07325 WYG |
2562 | |
2563 | IWL_DEBUG_MAC80211(priv, "enter\n"); | |
2564 | ||
6ac2f839 | 2565 | mutex_lock(&priv->shrd->mutex); |
dc1a4068 | 2566 | |
845a9c0d | 2567 | if (iwl_is_rfkill(priv->shrd)) |
dc1a4068 | 2568 | goto out; |
79d07325 | 2569 | |
63013ae3 EG |
2570 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
2571 | test_bit(STATUS_SCANNING, &priv->shrd->status) || | |
2572 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) | |
dc1a4068 | 2573 | goto out; |
79d07325 | 2574 | |
246ed355 | 2575 | if (!iwl_is_associated_ctx(ctx)) |
dc1a4068 | 2576 | goto out; |
79d07325 | 2577 | |
90c300cb | 2578 | if (!priv->cfg->lib->set_channel_switch) |
f973f87e | 2579 | goto out; |
79d07325 | 2580 | |
f973f87e SG |
2581 | ch = channel->hw_value; |
2582 | if (le16_to_cpu(ctx->active.channel) == ch) | |
2583 | goto out; | |
2584 | ||
2585 | ch_info = iwl_get_channel_info(priv, channel->band, ch); | |
2586 | if (!is_channel_valid(ch_info)) { | |
2587 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); | |
2588 | goto out; | |
2589 | } | |
79d07325 | 2590 | |
10b15e6f | 2591 | spin_lock_irq(&priv->shrd->lock); |
79d07325 | 2592 | |
f973f87e | 2593 | priv->current_ht_config.smps = conf->smps_mode; |
79d07325 | 2594 | |
f973f87e SG |
2595 | /* Configure HT40 channels */ |
2596 | ctx->ht.enabled = conf_is_ht(conf); | |
2597 | if (ctx->ht.enabled) { | |
2598 | if (conf_is_ht40_minus(conf)) { | |
2599 | ctx->ht.extension_chan_offset = | |
2600 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; | |
2601 | ctx->ht.is_40mhz = true; | |
2602 | } else if (conf_is_ht40_plus(conf)) { | |
2603 | ctx->ht.extension_chan_offset = | |
2604 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; | |
2605 | ctx->ht.is_40mhz = true; | |
2606 | } else { | |
2607 | ctx->ht.extension_chan_offset = | |
2608 | IEEE80211_HT_PARAM_CHA_SEC_NONE; | |
2609 | ctx->ht.is_40mhz = false; | |
79d07325 | 2610 | } |
f973f87e SG |
2611 | } else |
2612 | ctx->ht.is_40mhz = false; | |
2613 | ||
2614 | if ((le16_to_cpu(ctx->staging.channel) != ch)) | |
2615 | ctx->staging.flags = 0; | |
2616 | ||
2617 | iwl_set_rxon_channel(priv, channel, ctx); | |
2618 | iwl_set_rxon_ht(priv, ht_conf); | |
2619 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); | |
2620 | ||
10b15e6f | 2621 | spin_unlock_irq(&priv->shrd->lock); |
f973f87e SG |
2622 | |
2623 | iwl_set_rate(priv); | |
2624 | /* | |
2625 | * at this point, staging_rxon has the | |
2626 | * configuration for channel switch | |
2627 | */ | |
63013ae3 | 2628 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e | 2629 | priv->switch_channel = cpu_to_le16(ch); |
90c300cb | 2630 | if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { |
63013ae3 | 2631 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e SG |
2632 | priv->switch_channel = 0; |
2633 | ieee80211_chswitch_done(ctx->vif, false); | |
79d07325 | 2634 | } |
f973f87e | 2635 | |
79d07325 | 2636 | out: |
6ac2f839 | 2637 | mutex_unlock(&priv->shrd->mutex); |
79d07325 WYG |
2638 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2639 | } | |
2640 | ||
2dedbf58 JB |
2641 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
2642 | unsigned int changed_flags, | |
2643 | unsigned int *total_flags, | |
2644 | u64 multicast) | |
8b8ab9d5 JB |
2645 | { |
2646 | struct iwl_priv *priv = hw->priv; | |
2647 | __le32 filter_or = 0, filter_nand = 0; | |
246ed355 | 2648 | struct iwl_rxon_context *ctx; |
8b8ab9d5 JB |
2649 | |
2650 | #define CHK(test, flag) do { \ | |
2651 | if (*total_flags & (test)) \ | |
2652 | filter_or |= (flag); \ | |
2653 | else \ | |
2654 | filter_nand |= (flag); \ | |
2655 | } while (0) | |
2656 | ||
2657 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", | |
2658 | changed_flags, *total_flags); | |
2659 | ||
2660 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); | |
bdb84fec JB |
2661 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
2662 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); | |
8b8ab9d5 JB |
2663 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
2664 | ||
2665 | #undef CHK | |
2666 | ||
6ac2f839 | 2667 | mutex_lock(&priv->shrd->mutex); |
8b8ab9d5 | 2668 | |
246ed355 JB |
2669 | for_each_context(priv, ctx) { |
2670 | ctx->staging.filter_flags &= ~filter_nand; | |
2671 | ctx->staging.filter_flags |= filter_or; | |
749ff4ef SG |
2672 | |
2673 | /* | |
2674 | * Not committing directly because hardware can perform a scan, | |
2675 | * but we'll eventually commit the filter flags change anyway. | |
2676 | */ | |
246ed355 | 2677 | } |
8b8ab9d5 | 2678 | |
6ac2f839 | 2679 | mutex_unlock(&priv->shrd->mutex); |
8b8ab9d5 JB |
2680 | |
2681 | /* | |
2682 | * Receiving all multicast frames is always enabled by the | |
2683 | * default flags setup in iwl_connection_init_rx_config() | |
2684 | * since we currently do not support programming multicast | |
2685 | * filters into the device. | |
2686 | */ | |
2687 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | | |
2688 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; | |
2689 | } | |
2690 | ||
2dedbf58 | 2691 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
716c74b0 WYG |
2692 | { |
2693 | struct iwl_priv *priv = hw->priv; | |
2694 | ||
6ac2f839 | 2695 | mutex_lock(&priv->shrd->mutex); |
716c74b0 WYG |
2696 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
2697 | ||
63013ae3 | 2698 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
716c74b0 WYG |
2699 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
2700 | goto done; | |
2701 | } | |
845a9c0d | 2702 | if (iwl_is_rfkill(priv->shrd)) { |
716c74b0 WYG |
2703 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
2704 | goto done; | |
2705 | } | |
2706 | ||
2707 | /* | |
2708 | * mac80211 will not push any more frames for transmit | |
2709 | * until the flush is completed | |
2710 | */ | |
2711 | if (drop) { | |
2712 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); | |
c68744fb | 2713 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
716c74b0 WYG |
2714 | IWL_ERR(priv, "flush request fail\n"); |
2715 | goto done; | |
2716 | } | |
2717 | } | |
2718 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); | |
5f178cd2 | 2719 | iwl_trans_wait_tx_queue_empty(trans(priv)); |
716c74b0 | 2720 | done: |
6ac2f839 | 2721 | mutex_unlock(&priv->shrd->mutex); |
716c74b0 WYG |
2722 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2723 | } | |
2724 | ||
c6baf7fb | 2725 | void iwlagn_disable_roc(struct iwl_priv *priv) |
9b9190d9 JB |
2726 | { |
2727 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; | |
9b9190d9 | 2728 | |
6ac2f839 | 2729 | lockdep_assert_held(&priv->shrd->mutex); |
9b9190d9 | 2730 | |
c6baf7fb | 2731 | if (!priv->hw_roc_setup) |
9b9190d9 JB |
2732 | return; |
2733 | ||
c6baf7fb | 2734 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
9b9190d9 | 2735 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
9b9190d9 | 2736 | |
898ed67b | 2737 | priv->hw_roc_channel = NULL; |
9b9190d9 | 2738 | |
c6baf7fb JB |
2739 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
2740 | ||
805a3b81 | 2741 | iwlagn_commit_rxon(priv, ctx); |
9b9190d9 JB |
2742 | |
2743 | ctx->is_active = false; | |
c6baf7fb | 2744 | priv->hw_roc_setup = false; |
9b9190d9 JB |
2745 | } |
2746 | ||
c6baf7fb | 2747 | static void iwlagn_disable_roc_work(struct work_struct *work) |
9b9190d9 JB |
2748 | { |
2749 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
c6baf7fb | 2750 | hw_roc_disable_work.work); |
9b9190d9 | 2751 | |
6ac2f839 | 2752 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2753 | iwlagn_disable_roc(priv); |
6ac2f839 | 2754 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2755 | } |
2756 | ||
2757 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, | |
2758 | struct ieee80211_channel *channel, | |
2759 | enum nl80211_channel_type channel_type, | |
2760 | int duration) | |
2761 | { | |
2762 | struct iwl_priv *priv = hw->priv; | |
c6baf7fb | 2763 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
9b9190d9 JB |
2764 | int err = 0; |
2765 | ||
7a10e3e4 | 2766 | if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
9b9190d9 JB |
2767 | return -EOPNOTSUPP; |
2768 | ||
c6baf7fb | 2769 | if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) |
9b9190d9 JB |
2770 | return -EOPNOTSUPP; |
2771 | ||
6ac2f839 | 2772 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2773 | |
63013ae3 | 2774 | if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { |
9b9190d9 JB |
2775 | err = -EBUSY; |
2776 | goto out; | |
2777 | } | |
2778 | ||
898ed67b WYG |
2779 | priv->hw_roc_channel = channel; |
2780 | priv->hw_roc_chantype = channel_type; | |
c6baf7fb | 2781 | priv->hw_roc_duration = duration; |
390808db | 2782 | priv->hw_roc_start_notified = false; |
c6baf7fb JB |
2783 | cancel_delayed_work(&priv->hw_roc_disable_work); |
2784 | ||
2785 | if (!ctx->is_active) { | |
2786 | ctx->is_active = true; | |
2787 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; | |
2788 | memcpy(ctx->staging.node_addr, | |
2789 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2790 | ETH_ALEN); | |
2791 | memcpy(ctx->staging.bssid_addr, | |
2792 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2793 | ETH_ALEN); | |
2794 | err = iwlagn_commit_rxon(priv, ctx); | |
2795 | if (err) | |
2796 | goto out; | |
2797 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | | |
2798 | RXON_FILTER_PROMISC_MSK | | |
2799 | RXON_FILTER_CTL2HOST_MSK; | |
2800 | ||
2801 | err = iwlagn_commit_rxon(priv, ctx); | |
2802 | if (err) { | |
2803 | iwlagn_disable_roc(priv); | |
2804 | goto out; | |
2805 | } | |
2806 | priv->hw_roc_setup = true; | |
2807 | } | |
9b9190d9 | 2808 | |
c6baf7fb JB |
2809 | err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); |
2810 | if (err) | |
2811 | iwlagn_disable_roc(priv); | |
9b9190d9 JB |
2812 | |
2813 | out: | |
6ac2f839 | 2814 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2815 | |
2816 | return err; | |
2817 | } | |
2818 | ||
2819 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
2820 | { | |
2821 | struct iwl_priv *priv = hw->priv; | |
2822 | ||
7a10e3e4 | 2823 | if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) |
9b9190d9 JB |
2824 | return -EOPNOTSUPP; |
2825 | ||
6ac2f839 | 2826 | mutex_lock(&priv->shrd->mutex); |
c6baf7fb | 2827 | iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); |
9b9190d9 | 2828 | iwlagn_disable_roc(priv); |
6ac2f839 | 2829 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2830 | |
2831 | return 0; | |
2832 | } | |
2833 | ||
debcf734 JB |
2834 | static int iwl_mac_tx_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
2835 | const u8 *bssid, enum ieee80211_tx_sync_type type) | |
2836 | { | |
2837 | struct iwl_priv *priv = hw->priv; | |
2838 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; | |
2839 | struct iwl_rxon_context *ctx = vif_priv->ctx; | |
2840 | int ret; | |
2841 | u8 sta_id; | |
2842 | ||
2843 | mutex_lock(&priv->shrd->mutex); | |
2844 | ||
2845 | if (iwl_is_associated_ctx(ctx)) { | |
2846 | ret = 0; | |
2847 | goto out; | |
2848 | } | |
2849 | ||
2850 | if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { | |
2851 | ret = -EBUSY; | |
2852 | goto out; | |
2853 | } | |
2854 | ||
2855 | ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); | |
2856 | if (ret) | |
2857 | goto out; | |
2858 | ||
2859 | if (WARN_ON(sta_id != ctx->ap_sta_id)) { | |
2860 | ret = -EIO; | |
2861 | goto out_remove_sta; | |
2862 | } | |
2863 | ||
2864 | memcpy(ctx->bssid, bssid, ETH_ALEN); | |
2865 | ctx->preauth_bssid = true; | |
2866 | ||
2867 | ret = iwlagn_commit_rxon(priv, ctx); | |
2868 | ||
2869 | if (ret == 0) | |
2870 | goto out; | |
2871 | ||
2872 | out_remove_sta: | |
2873 | iwl_remove_station(priv, sta_id, bssid); | |
2874 | out: | |
2875 | mutex_unlock(&priv->shrd->mutex); | |
2876 | return ret; | |
2877 | } | |
2878 | ||
2879 | static void iwl_mac_finish_tx_sync(struct ieee80211_hw *hw, | |
2880 | struct ieee80211_vif *vif, | |
2881 | const u8 *bssid, | |
2882 | enum ieee80211_tx_sync_type type) | |
2883 | { | |
2884 | struct iwl_priv *priv = hw->priv; | |
2885 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; | |
2886 | struct iwl_rxon_context *ctx = vif_priv->ctx; | |
2887 | ||
2888 | mutex_lock(&priv->shrd->mutex); | |
2889 | ||
2890 | if (iwl_is_associated_ctx(ctx)) | |
2891 | goto out; | |
2892 | ||
2893 | iwl_remove_station(priv, ctx->ap_sta_id, bssid); | |
2894 | ctx->preauth_bssid = false; | |
2895 | /* no need to commit */ | |
2896 | out: | |
2897 | mutex_unlock(&priv->shrd->mutex); | |
2898 | } | |
2899 | ||
b481de9c ZY |
2900 | /***************************************************************************** |
2901 | * | |
2902 | * driver setup and teardown | |
2903 | * | |
2904 | *****************************************************************************/ | |
2905 | ||
4e39317d | 2906 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 2907 | { |
74e28e44 | 2908 | priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c | 2909 | |
3e10caeb | 2910 | init_waitqueue_head(&priv->shrd->wait_command_queue); |
b481de9c | 2911 | |
5b9f8cd3 | 2912 | INIT_WORK(&priv->restart, iwl_bg_restart); |
5b9f8cd3 | 2913 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
16e727e8 | 2914 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); |
65550636 | 2915 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
bee008b7 | 2916 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
fbba9410 | 2917 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
c6baf7fb JB |
2918 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
2919 | iwlagn_disable_roc_work); | |
2a421b91 | 2920 | |
2a421b91 | 2921 | iwl_setup_scan_deferred_work(priv); |
bb8c093b | 2922 | |
6bd4dba3 EG |
2923 | if (priv->cfg->lib->bt_setup_deferred_work) |
2924 | priv->cfg->lib->bt_setup_deferred_work(priv); | |
4e39317d EG |
2925 | |
2926 | init_timer(&priv->statistics_periodic); | |
2927 | priv->statistics_periodic.data = (unsigned long)priv; | |
5b9f8cd3 | 2928 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
b481de9c | 2929 | |
a9e1cb6a WYG |
2930 | init_timer(&priv->ucode_trace); |
2931 | priv->ucode_trace.data = (unsigned long)priv; | |
2932 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
2933 | ||
22de94de SG |
2934 | init_timer(&priv->watchdog); |
2935 | priv->watchdog.data = (unsigned long)priv; | |
2936 | priv->watchdog.function = iwl_bg_watchdog; | |
b481de9c ZY |
2937 | } |
2938 | ||
4e39317d | 2939 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
b481de9c | 2940 | { |
90c300cb WYG |
2941 | if (priv->cfg->lib->cancel_deferred_work) |
2942 | priv->cfg->lib->cancel_deferred_work(priv); | |
b481de9c | 2943 | |
815e629b | 2944 | cancel_work_sync(&priv->run_time_calib_work); |
b481de9c | 2945 | cancel_work_sync(&priv->beacon_update); |
e7e16b90 SG |
2946 | |
2947 | iwl_cancel_scan_deferred_work(priv); | |
2948 | ||
bee008b7 | 2949 | cancel_work_sync(&priv->bt_full_concurrency); |
fbba9410 | 2950 | cancel_work_sync(&priv->bt_runtime_config); |
c6baf7fb | 2951 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
e7e16b90 | 2952 | |
4e39317d | 2953 | del_timer_sync(&priv->statistics_periodic); |
a9e1cb6a | 2954 | del_timer_sync(&priv->ucode_trace); |
b481de9c ZY |
2955 | } |
2956 | ||
89f186a8 RC |
2957 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
2958 | struct ieee80211_rate *rates) | |
2959 | { | |
2960 | int i; | |
2961 | ||
2962 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { | |
2963 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
2964 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
2965 | rates[i].hw_value_short = i; | |
2966 | rates[i].flags = 0; | |
2967 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
2968 | /* | |
2969 | * If CCK != 1M then set short preamble rate flag. | |
2970 | */ | |
2971 | rates[i].flags |= | |
2972 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
2973 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
2974 | } | |
2975 | } | |
2976 | } | |
2977 | ||
2978 | static int iwl_init_drv(struct iwl_priv *priv) | |
2979 | { | |
2980 | int ret; | |
2981 | ||
f39c95e8 | 2982 | spin_lock_init(&priv->shrd->sta_lock); |
89f186a8 | 2983 | |
6ac2f839 | 2984 | mutex_init(&priv->shrd->mutex); |
89f186a8 | 2985 | |
89f186a8 RC |
2986 | priv->ieee_channels = NULL; |
2987 | priv->ieee_rates = NULL; | |
2988 | priv->band = IEEE80211_BAND_2GHZ; | |
2989 | ||
2990 | priv->iw_mode = NL80211_IFTYPE_STATION; | |
ba37a3d0 | 2991 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
a13d276f | 2992 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
898ed67b | 2993 | priv->agg_tids_count = 0; |
89f186a8 | 2994 | |
8a472da4 WYG |
2995 | /* initialize force reset */ |
2996 | priv->force_reset[IWL_RF_RESET].reset_duration = | |
2997 | IWL_DELAY_NEXT_FORCE_RF_RESET; | |
2998 | priv->force_reset[IWL_FW_RESET].reset_duration = | |
2999 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; | |
89f186a8 | 3000 | |
410f2bb3 SG |
3001 | priv->rx_statistics_jiffies = jiffies; |
3002 | ||
89f186a8 | 3003 | /* Choose which receivers/antennas to use */ |
e3f10cea | 3004 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
89f186a8 RC |
3005 | |
3006 | iwl_init_scan_params(priv); | |
3007 | ||
22bf59a0 | 3008 | /* init bt coex */ |
7cb1b088 WYG |
3009 | if (priv->cfg->bt_params && |
3010 | priv->cfg->bt_params->advanced_bt_coexist) { | |
b6e116e8 WYG |
3011 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
3012 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
3013 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
22bf59a0 WYG |
3014 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
3015 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
3016 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
22bf59a0 WYG |
3017 | } |
3018 | ||
89f186a8 RC |
3019 | ret = iwl_init_channel_map(priv); |
3020 | if (ret) { | |
3021 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); | |
3022 | goto err; | |
3023 | } | |
3024 | ||
b39488a9 | 3025 | ret = iwl_init_geos(priv); |
89f186a8 RC |
3026 | if (ret) { |
3027 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
3028 | goto err_free_channel_map; | |
3029 | } | |
3030 | iwl_init_hw_rates(priv, priv->ieee_rates); | |
3031 | ||
3032 | return 0; | |
3033 | ||
3034 | err_free_channel_map: | |
3035 | iwl_free_channel_map(priv); | |
3036 | err: | |
3037 | return ret; | |
3038 | } | |
3039 | ||
3040 | static void iwl_uninit_drv(struct iwl_priv *priv) | |
3041 | { | |
3042 | iwl_calib_free_results(priv); | |
b39488a9 | 3043 | iwl_free_geos(priv); |
89f186a8 | 3044 | iwl_free_channel_map(priv); |
dfa2bdba EG |
3045 | if (priv->tx_cmd_pool) |
3046 | kmem_cache_destroy(priv->tx_cmd_pool); | |
811ecc99 | 3047 | kfree(priv->scan_cmd); |
4ce7cc2b | 3048 | kfree(priv->beacon_cmd); |
c8ac61cf JB |
3049 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
3050 | kfree(priv->wowlan_sram); | |
3051 | #endif | |
89f186a8 RC |
3052 | } |
3053 | ||
3a3b14c2 | 3054 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
207ecc5e MV |
3055 | enum ieee80211_rssi_event rssi_event) |
3056 | { | |
3057 | struct iwl_priv *priv = hw->priv; | |
3058 | ||
6ac2f839 | 3059 | mutex_lock(&priv->shrd->mutex); |
207ecc5e MV |
3060 | |
3061 | if (priv->cfg->bt_params && | |
3062 | priv->cfg->bt_params->advanced_bt_coexist) { | |
3063 | if (rssi_event == RSSI_EVENT_LOW) | |
3064 | priv->bt_enable_pspoll = true; | |
3065 | else if (rssi_event == RSSI_EVENT_HIGH) | |
3066 | priv->bt_enable_pspoll = false; | |
3067 | ||
3068 | iwlagn_send_advance_bt_config(priv); | |
3069 | } else { | |
3070 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," | |
3071 | "ignoring RSSI callback\n"); | |
3072 | } | |
3073 | ||
6ac2f839 | 3074 | mutex_unlock(&priv->shrd->mutex); |
207ecc5e MV |
3075 | } |
3076 | ||
dc21b545 | 3077 | struct ieee80211_ops iwlagn_hw_ops = { |
2295c66b JB |
3078 | .tx = iwlagn_mac_tx, |
3079 | .start = iwlagn_mac_start, | |
3080 | .stop = iwlagn_mac_stop, | |
c01a4047 | 3081 | #ifdef CONFIG_PM_SLEEP |
c8ac61cf JB |
3082 | .suspend = iwlagn_mac_suspend, |
3083 | .resume = iwlagn_mac_resume, | |
26293133 | 3084 | #endif |
5b9f8cd3 EG |
3085 | .add_interface = iwl_mac_add_interface, |
3086 | .remove_interface = iwl_mac_remove_interface, | |
d4daaea6 | 3087 | .change_interface = iwl_mac_change_interface, |
2295c66b | 3088 | .config = iwlagn_mac_config, |
8b8ab9d5 | 3089 | .configure_filter = iwlagn_configure_filter, |
2295c66b JB |
3090 | .set_key = iwlagn_mac_set_key, |
3091 | .update_tkip_key = iwlagn_mac_update_tkip_key, | |
c8ac61cf | 3092 | .set_rekey_data = iwlagn_mac_set_rekey_data, |
5b9f8cd3 | 3093 | .conf_tx = iwl_mac_conf_tx, |
2295c66b JB |
3094 | .bss_info_changed = iwlagn_bss_info_changed, |
3095 | .ampdu_action = iwlagn_mac_ampdu_action, | |
6ab10ff8 | 3096 | .hw_scan = iwl_mac_hw_scan, |
2295c66b | 3097 | .sta_notify = iwlagn_mac_sta_notify, |
fe6b23dd RC |
3098 | .sta_add = iwlagn_mac_sta_add, |
3099 | .sta_remove = iwl_mac_sta_remove, | |
2295c66b JB |
3100 | .channel_switch = iwlagn_mac_channel_switch, |
3101 | .flush = iwlagn_mac_flush, | |
a85d7cca | 3102 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
9b9190d9 JB |
3103 | .remain_on_channel = iwl_mac_remain_on_channel, |
3104 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, | |
207ecc5e | 3105 | .rssi_callback = iwl_mac_rssi_callback, |
4613e72d | 3106 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
eb64dca0 | 3107 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
debcf734 JB |
3108 | .tx_sync = iwl_mac_tx_sync, |
3109 | .finish_tx_sync = iwl_mac_finish_tx_sync, | |
b481de9c ZY |
3110 | }; |
3111 | ||
e98a1302 | 3112 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
3867fe04 | 3113 | { |
83ed9015 | 3114 | return iwl_read32(bus(priv), CSR_HW_REV); |
3867fe04 WYG |
3115 | } |
3116 | ||
dda61a44 EG |
3117 | /* Size of one Rx buffer in host DRAM */ |
3118 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) | |
3119 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) | |
3120 | ||
07d4f1ad WYG |
3121 | static int iwl_set_hw_params(struct iwl_priv *priv) |
3122 | { | |
9d143e9a | 3123 | if (iwlagn_mod_params.amsdu_size_8K) |
d6189124 EG |
3124 | hw_params(priv).rx_page_order = |
3125 | get_order(IWL_RX_BUF_SIZE_8K); | |
07d4f1ad | 3126 | else |
d6189124 EG |
3127 | hw_params(priv).rx_page_order = |
3128 | get_order(IWL_RX_BUF_SIZE_4K); | |
07d4f1ad | 3129 | |
9d143e9a | 3130 | if (iwlagn_mod_params.disable_11n) |
88950758 | 3131 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad | 3132 | |
fd656935 EG |
3133 | hw_params(priv).num_ampdu_queues = |
3134 | priv->cfg->base_params->num_of_ampdu_queues; | |
3135 | hw_params(priv).shadow_reg_enable = | |
3136 | priv->cfg->base_params->shadow_reg_enable; | |
f22be624 EG |
3137 | hw_params(priv).sku = priv->cfg->sku; |
3138 | hw_params(priv).wd_timeout = priv->cfg->base_params->wd_timeout; | |
fd656935 | 3139 | |
07d4f1ad | 3140 | /* Device-specific setup */ |
90c300cb | 3141 | return priv->cfg->lib->set_hw_params(priv); |
07d4f1ad WYG |
3142 | } |
3143 | ||
119ea186 WYG |
3144 | /* This function both allocates and initializes hw and priv. */ |
3145 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) | |
3146 | { | |
3147 | struct iwl_priv *priv; | |
3148 | /* mac80211 allocates memory for this device instance, including | |
3149 | * space for this driver's private structure */ | |
3150 | struct ieee80211_hw *hw; | |
3151 | ||
3152 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); | |
3153 | if (hw == NULL) { | |
3154 | pr_err("%s: Can not allocate network device\n", | |
3155 | cfg->name); | |
3156 | goto out; | |
3157 | } | |
3158 | ||
3159 | priv = hw->priv; | |
3160 | priv->hw = hw; | |
3161 | ||
3162 | out: | |
3163 | return hw; | |
3164 | } | |
3165 | ||
e6bb4c9c EG |
3166 | int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, |
3167 | struct iwl_cfg *cfg) | |
b2ea345e WYG |
3168 | { |
3169 | int err = 0; | |
3170 | struct iwl_priv *priv; | |
3171 | struct ieee80211_hw *hw; | |
084dd791 | 3172 | u16 num_mac; |
b2ea345e WYG |
3173 | u32 hw_rev; |
3174 | ||
3175 | /************************ | |
3176 | * 1. Allocating HW data | |
3177 | ************************/ | |
b2ea345e WYG |
3178 | hw = iwl_alloc_all(cfg); |
3179 | if (!hw) { | |
3180 | err = -ENOMEM; | |
807caf26 EG |
3181 | goto out; |
3182 | } | |
3183 | ||
b2ea345e | 3184 | priv = hw->priv; |
d5934110 | 3185 | priv->bus = bus; |
cac988a6 | 3186 | priv->shrd = &priv->_shrd; |
18d0077f | 3187 | bus->shrd = priv->shrd; |
cac988a6 EG |
3188 | priv->shrd->bus = bus; |
3189 | priv->shrd->priv = priv; | |
a48709c5 | 3190 | |
e6bb4c9c EG |
3191 | priv->shrd->trans = trans_ops->alloc(priv->shrd); |
3192 | if (priv->shrd->trans == NULL) { | |
3193 | err = -ENOMEM; | |
3194 | goto out_free_traffic_mem; | |
3195 | } | |
3196 | ||
b2ea345e | 3197 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 3198 | |
d5934110 | 3199 | SET_IEEE80211_DEV(hw, priv->bus->dev); |
b481de9c | 3200 | |
e1623446 | 3201 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
82b9a121 | 3202 | priv->cfg = cfg; |
316c30d9 | 3203 | |
bee008b7 WYG |
3204 | /* is antenna coupling more than 35dB ? */ |
3205 | priv->bt_ant_couple_ok = | |
48f20d35 EG |
3206 | (iwlagn_mod_params.ant_coupling > |
3207 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? | |
3208 | true : false; | |
bee008b7 | 3209 | |
9f28ebc3 | 3210 | /* enable/disable bt channel inhibition */ |
48f20d35 | 3211 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
3212 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
3213 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 3214 | |
20594eb0 WYG |
3215 | if (iwl_alloc_traffic_mem(priv)) |
3216 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); | |
b481de9c | 3217 | |
731a29b7 | 3218 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
3219 | * we should init now |
3220 | */ | |
83ed9015 | 3221 | spin_lock_init(&bus(priv)->reg_lock); |
10b15e6f | 3222 | spin_lock_init(&priv->shrd->lock); |
4843b5a7 RC |
3223 | |
3224 | /* | |
3225 | * stop and reset the on-board processor just in case it is in a | |
3226 | * strange state ... like being left stranded by a primary kernel | |
3227 | * and this is now the kdump kernel trying to start up | |
3228 | */ | |
83ed9015 | 3229 | iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); |
4843b5a7 | 3230 | |
084dd791 EG |
3231 | /*********************** |
3232 | * 3. Read REV register | |
3233 | ***********************/ | |
e98a1302 | 3234 | hw_rev = iwl_hw_detect(priv); |
c11362c0 | 3235 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
e98a1302 | 3236 | priv->cfg->name, hw_rev); |
316c30d9 | 3237 | |
e6bb4c9c | 3238 | err = iwl_trans_request_irq(trans(priv)); |
1e89cbac | 3239 | if (err) |
e6bb4c9c | 3240 | goto out_free_trans; |
1e89cbac | 3241 | |
e6bb4c9c | 3242 | if (iwl_trans_prepare_card_hw(trans(priv))) { |
bcd4fe2f | 3243 | err = -EIO; |
086ed117 | 3244 | IWL_WARN(priv, "Failed, HW not ready\n"); |
1e89cbac | 3245 | goto out_free_trans; |
086ed117 MA |
3246 | } |
3247 | ||
91238714 TW |
3248 | /***************** |
3249 | * 4. Read EEPROM | |
3250 | *****************/ | |
316c30d9 | 3251 | /* Read the EEPROM */ |
e98a1302 | 3252 | err = iwl_eeprom_init(priv, hw_rev); |
316c30d9 | 3253 | if (err) { |
15b1687c | 3254 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
1e89cbac | 3255 | goto out_free_trans; |
316c30d9 | 3256 | } |
8614f360 TW |
3257 | err = iwl_eeprom_check_version(priv); |
3258 | if (err) | |
c8f16138 | 3259 | goto out_free_eeprom; |
8614f360 | 3260 | |
21a5b3c6 WYG |
3261 | err = iwl_eeprom_check_sku(priv); |
3262 | if (err) | |
3263 | goto out_free_eeprom; | |
3264 | ||
02883017 | 3265 | /* extract MAC Address */ |
c6fa17ed WYG |
3266 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
3267 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); | |
3268 | priv->hw->wiphy->addresses = priv->addresses; | |
3269 | priv->hw->wiphy->n_addresses = 1; | |
3270 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); | |
3271 | if (num_mac > 1) { | |
3272 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
3273 | ETH_ALEN); | |
3274 | priv->addresses[1].addr[5]++; | |
3275 | priv->hw->wiphy->n_addresses++; | |
3276 | } | |
316c30d9 AK |
3277 | |
3278 | /************************ | |
3279 | * 5. Setup HW constants | |
3280 | ************************/ | |
da154e30 | 3281 | if (iwl_set_hw_params(priv)) { |
084dd791 | 3282 | err = -ENOENT; |
15b1687c | 3283 | IWL_ERR(priv, "failed to set hw parameters\n"); |
073d3f5f | 3284 | goto out_free_eeprom; |
316c30d9 AK |
3285 | } |
3286 | ||
3287 | /******************* | |
6ba87956 | 3288 | * 6. Setup priv |
316c30d9 | 3289 | *******************/ |
b481de9c | 3290 | |
6ba87956 | 3291 | err = iwl_init_drv(priv); |
bf85ea4f | 3292 | if (err) |
399f4900 | 3293 | goto out_free_eeprom; |
bf85ea4f | 3294 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 3295 | |
316c30d9 | 3296 | /******************** |
09f9bf79 | 3297 | * 7. Setup services |
316c30d9 | 3298 | ********************/ |
4e39317d | 3299 | iwl_setup_deferred_work(priv); |
653fa4a0 | 3300 | iwl_setup_rx_handlers(priv); |
4613e72d | 3301 | iwl_testmode_init(priv); |
316c30d9 | 3302 | |
158bea07 | 3303 | /********************************************* |
084dd791 | 3304 | * 8. Enable interrupts |
158bea07 | 3305 | *********************************************/ |
6ba87956 | 3306 | |
554d1d02 | 3307 | iwl_enable_rfkill_int(priv); |
6cd0b1cb | 3308 | |
6cd0b1cb | 3309 | /* If platform's RF_KILL switch is NOT set to KILL */ |
83ed9015 EG |
3310 | if (iwl_read32(bus(priv), |
3311 | CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) | |
63013ae3 | 3312 | clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6cd0b1cb | 3313 | else |
63013ae3 | 3314 | set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6ba87956 | 3315 | |
a60e77e5 | 3316 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
63013ae3 | 3317 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); |
6cd0b1cb | 3318 | |
58d0f361 | 3319 | iwl_power_initialize(priv); |
39b73fb1 | 3320 | iwl_tt_initialize(priv); |
158bea07 | 3321 | |
898ed67b | 3322 | init_completion(&priv->firmware_loading_complete); |
562db532 | 3323 | |
b08dfd04 | 3324 | err = iwl_request_firmware(priv, true); |
158bea07 | 3325 | if (err) |
7d47618a | 3326 | goto out_destroy_workqueue; |
158bea07 | 3327 | |
b481de9c ZY |
3328 | return 0; |
3329 | ||
34c1b7ba | 3330 | out_destroy_workqueue: |
74e28e44 EG |
3331 | destroy_workqueue(priv->shrd->workqueue); |
3332 | priv->shrd->workqueue = NULL; | |
6ba87956 | 3333 | iwl_uninit_drv(priv); |
34c1b7ba | 3334 | out_free_eeprom: |
073d3f5f | 3335 | iwl_eeprom_free(priv); |
1e89cbac | 3336 | out_free_trans: |
e6bb4c9c | 3337 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3338 | out_free_traffic_mem: |
20594eb0 | 3339 | iwl_free_traffic_mem(priv); |
d7c76f4c | 3340 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 3341 | out: |
b481de9c ZY |
3342 | return err; |
3343 | } | |
3344 | ||
a48709c5 | 3345 | void __devexit iwl_remove(struct iwl_priv * priv) |
b481de9c | 3346 | { |
898ed67b | 3347 | wait_for_completion(&priv->firmware_loading_complete); |
562db532 | 3348 | |
e1623446 | 3349 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 3350 | |
67249625 | 3351 | iwl_dbgfs_unregister(priv); |
67249625 | 3352 | |
5b9f8cd3 EG |
3353 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
3354 | * to be called and iwl_down since we are removing the device | |
0b124c31 GG |
3355 | * we need to set STATUS_EXIT_PENDING bit. |
3356 | */ | |
63013ae3 | 3357 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5ed540ae | 3358 | |
7a4e5281 | 3359 | iwl_testmode_cleanup(priv); |
5ed540ae WYG |
3360 | iwl_leds_exit(priv); |
3361 | ||
859cfb0a | 3362 | if (priv->mac80211_registered) { |
c4f55232 | 3363 | ieee80211_unregister_hw(priv->hw); |
859cfb0a | 3364 | priv->mac80211_registered = 0; |
c4f55232 RR |
3365 | } |
3366 | ||
39b73fb1 WYG |
3367 | iwl_tt_exit(priv); |
3368 | ||
ae2c30bf EG |
3369 | /*This will stop the queues, move the device to low power state */ |
3370 | iwl_trans_stop_device(trans(priv)); | |
0359facc | 3371 | |
3599d39a | 3372 | iwl_dealloc_ucode(priv); |
b481de9c | 3373 | |
073d3f5f | 3374 | iwl_eeprom_free(priv); |
b481de9c | 3375 | |
948c171c | 3376 | /*netif_stop_queue(dev); */ |
74e28e44 | 3377 | flush_workqueue(priv->shrd->workqueue); |
948c171c | 3378 | |
5b9f8cd3 | 3379 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
74e28e44 | 3380 | * priv->shrd->workqueue... so we can't take down the workqueue |
b481de9c | 3381 | * until now... */ |
74e28e44 EG |
3382 | destroy_workqueue(priv->shrd->workqueue); |
3383 | priv->shrd->workqueue = NULL; | |
20594eb0 | 3384 | iwl_free_traffic_mem(priv); |
b481de9c | 3385 | |
e6bb4c9c | 3386 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3387 | |
6ba87956 | 3388 | iwl_uninit_drv(priv); |
b481de9c | 3389 | |
77834543 | 3390 | dev_kfree_skb(priv->beacon_skb); |
b481de9c ZY |
3391 | |
3392 | ieee80211_free_hw(priv->hw); | |
3393 | } | |
3394 | ||
b481de9c ZY |
3395 | |
3396 | /***************************************************************************** | |
3397 | * | |
3398 | * driver and module entry point | |
3399 | * | |
3400 | *****************************************************************************/ | |
5b9f8cd3 | 3401 | static int __init iwl_init(void) |
b481de9c ZY |
3402 | { |
3403 | ||
3404 | int ret; | |
c96c31e4 JP |
3405 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
3406 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 3407 | |
e227ceac | 3408 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 3409 | if (ret) { |
c96c31e4 | 3410 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
897e1cf2 RC |
3411 | return ret; |
3412 | } | |
3413 | ||
48d1a211 | 3414 | ret = iwl_pci_register_driver(); |
b481de9c | 3415 | |
48d1a211 EG |
3416 | if (ret) |
3417 | goto error_register; | |
b481de9c | 3418 | return ret; |
897e1cf2 | 3419 | |
897e1cf2 | 3420 | error_register: |
e227ceac | 3421 | iwlagn_rate_control_unregister(); |
897e1cf2 | 3422 | return ret; |
b481de9c ZY |
3423 | } |
3424 | ||
5b9f8cd3 | 3425 | static void __exit iwl_exit(void) |
b481de9c | 3426 | { |
48d1a211 | 3427 | iwl_pci_unregister_driver(); |
e227ceac | 3428 | iwlagn_rate_control_unregister(); |
b481de9c ZY |
3429 | } |
3430 | ||
5b9f8cd3 EG |
3431 | module_exit(iwl_exit); |
3432 | module_init(iwl_init); | |
a562a9dd RC |
3433 | |
3434 | #ifdef CONFIG_IWLWIFI_DEBUG | |
48f20d35 EG |
3435 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
3436 | S_IRUGO | S_IWUSR); | |
a562a9dd RC |
3437 | MODULE_PARM_DESC(debug, "debug output mask"); |
3438 | #endif | |
3439 | ||
2b068618 WYG |
3440 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
3441 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
2b068618 WYG |
3442 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
3443 | MODULE_PARM_DESC(queues_num, "number of hw queues."); | |
2b068618 WYG |
3444 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
3445 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); | |
2b068618 WYG |
3446 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
3447 | int, S_IRUGO); | |
3448 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
2b068618 WYG |
3449 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
3450 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
dd7a2509 | 3451 | |
48f20d35 EG |
3452 | module_param_named(ucode_alternative, |
3453 | iwlagn_mod_params.wanted_ucode_alternative, | |
3454 | int, S_IRUGO); | |
dd7a2509 JB |
3455 | MODULE_PARM_DESC(ucode_alternative, |
3456 | "specify ucode alternative to use from ucode file"); | |
bee008b7 | 3457 | |
48f20d35 EG |
3458 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
3459 | int, S_IRUGO); | |
bee008b7 WYG |
3460 | MODULE_PARM_DESC(antenna_coupling, |
3461 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
f37837c9 | 3462 | |
48f20d35 EG |
3463 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
3464 | bool, S_IRUGO); | |
9f28ebc3 | 3465 | MODULE_PARM_DESC(bt_ch_inhibition, |
fee84f0d | 3466 | "Enable BT channel inhibition (default: enable)"); |
b7977ffa SG |
3467 | |
3468 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); | |
3469 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
3470 | ||
3471 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); | |
3472 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); | |
b60eec9b | 3473 | |
300d0834 WYG |
3474 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
3475 | MODULE_PARM_DESC(wd_disable, | |
3476 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); | |
3477 | ||
b60eec9b WYG |
3478 | /* |
3479 | * set bt_coex_active to true, uCode will do kill/defer | |
3480 | * every time the priority line is asserted (BT is sending signals on the | |
3481 | * priority line in the PCIx). | |
3482 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
3483 | * perform the normal operation | |
3484 | * | |
3485 | * User might experience transmit issue on some platform due to WiFi/BT | |
3486 | * co-exist problem. The possible behaviors are: | |
3487 | * Able to scan and finding all the available AP | |
3488 | * Not able to associate with any AP | |
3489 | * On those platforms, WiFi communication can be restored by set | |
3490 | * "bt_coex_active" module parameter to "false" | |
3491 | * | |
3492 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
3493 | */ | |
3494 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, | |
3495 | bool, S_IRUGO); | |
3496 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
6b0184c4 WYG |
3497 | |
3498 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); | |
3499 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
3500 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); | |
3f1e5f4a | 3501 | |
0172b029 WYG |
3502 | module_param_named(power_save, iwlagn_mod_params.power_save, |
3503 | bool, S_IRUGO); | |
3504 | MODULE_PARM_DESC(power_save, | |
3505 | "enable WiFi power management (default: disable)"); | |
3506 | ||
f7538168 WYG |
3507 | module_param_named(power_level, iwlagn_mod_params.power_level, |
3508 | int, S_IRUGO); | |
3509 | MODULE_PARM_DESC(power_level, | |
3510 | "default power save level (range from 1 - 5, default: 1)"); | |
3511 | ||
dd5b6d0a WYG |
3512 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
3513 | bool, S_IRUGO); | |
3514 | MODULE_PARM_DESC(auto_agg, | |
3515 | "enable agg w/o check traffic load (default: enable)"); | |
3516 | ||
3f1e5f4a WYG |
3517 | /* |
3518 | * For now, keep using power level 1 instead of automatically | |
3519 | * adjusting ... | |
3520 | */ | |
3521 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, | |
3522 | bool, S_IRUGO); | |
3523 | MODULE_PARM_DESC(no_sleep_autoadjust, | |
3524 | "don't automatically adjust sleep level " | |
3525 | "according to maximum network latency (default: true)"); |