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 ZY |
81 | MODULE_LICENSE("GPL"); |
82 | ||
5b9f8cd3 | 83 | void iwl_update_chain_flags(struct iwl_priv *priv) |
5da4b55f | 84 | { |
246ed355 | 85 | struct iwl_rxon_context *ctx; |
5da4b55f | 86 | |
e3f10cea WYG |
87 | for_each_context(priv, ctx) { |
88 | iwlagn_set_rxon_chain(priv, ctx); | |
89 | if (ctx->active.rx_chain != ctx->staging.rx_chain) | |
90 | iwlagn_commit_rxon(priv, ctx); | |
246ed355 | 91 | } |
5da4b55f MA |
92 | } |
93 | ||
47ff65c4 DH |
94 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
95 | static void iwl_set_beacon_tim(struct iwl_priv *priv, | |
77834543 JB |
96 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
97 | u8 *beacon, u32 frame_size) | |
47ff65c4 DH |
98 | { |
99 | u16 tim_idx; | |
100 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; | |
101 | ||
102 | /* | |
103 | * The index is relative to frame start but we start looking at the | |
104 | * variable-length part of the beacon. | |
105 | */ | |
106 | tim_idx = mgmt->u.beacon.variable - beacon; | |
107 | ||
108 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ | |
109 | while ((tim_idx < (frame_size - 2)) && | |
110 | (beacon[tim_idx] != WLAN_EID_TIM)) | |
111 | tim_idx += beacon[tim_idx+1] + 2; | |
112 | ||
113 | /* If TIM field was found, set variables */ | |
114 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { | |
115 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); | |
116 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; | |
117 | } else | |
118 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); | |
119 | } | |
120 | ||
8a98d49e | 121 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
4bf64efd TW |
122 | { |
123 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; | |
8a98d49e JB |
124 | struct iwl_host_cmd cmd = { |
125 | .id = REPLY_TX_BEACON, | |
e419d62d | 126 | .flags = CMD_SYNC, |
8a98d49e | 127 | }; |
0b5b3ff1 | 128 | struct ieee80211_tx_info *info; |
47ff65c4 DH |
129 | u32 frame_size; |
130 | u32 rate_flags; | |
131 | u32 rate; | |
8a98d49e | 132 | |
47ff65c4 DH |
133 | /* |
134 | * We have to set up the TX command, the TX Beacon command, and the | |
135 | * beacon contents. | |
136 | */ | |
4bf64efd | 137 | |
6ac2f839 | 138 | lockdep_assert_held(&priv->shrd->mutex); |
76d04815 JB |
139 | |
140 | if (!priv->beacon_ctx) { | |
141 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); | |
950094cb | 142 | return 0; |
76d04815 JB |
143 | } |
144 | ||
8a98d49e JB |
145 | if (WARN_ON(!priv->beacon_skb)) |
146 | return -EINVAL; | |
147 | ||
4ce7cc2b JB |
148 | /* Allocate beacon command */ |
149 | if (!priv->beacon_cmd) | |
150 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); | |
151 | tx_beacon_cmd = priv->beacon_cmd; | |
8a98d49e JB |
152 | if (!tx_beacon_cmd) |
153 | return -ENOMEM; | |
154 | ||
155 | frame_size = priv->beacon_skb->len; | |
4bf64efd | 156 | |
47ff65c4 | 157 | /* Set up TX command fields */ |
4bf64efd | 158 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
76d04815 | 159 | tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id; |
47ff65c4 DH |
160 | tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; |
161 | tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK | | |
162 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; | |
4bf64efd | 163 | |
47ff65c4 | 164 | /* Set up TX beacon command fields */ |
4ce7cc2b | 165 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
77834543 | 166 | frame_size); |
4bf64efd | 167 | |
47ff65c4 | 168 | /* Set up packet rate and flags */ |
0b5b3ff1 JB |
169 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
170 | ||
171 | /* | |
172 | * Let's set up the rate at least somewhat correctly; | |
173 | * it will currently not actually be used by the uCode, | |
174 | * it uses the broadcast station's rate instead. | |
175 | */ | |
176 | if (info->control.rates[0].idx < 0 || | |
177 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) | |
178 | rate = 0; | |
179 | else | |
180 | rate = info->control.rates[0].idx; | |
181 | ||
0e1654fa | 182 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
d6189124 | 183 | hw_params(priv).valid_tx_ant); |
47ff65c4 | 184 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
0b5b3ff1 JB |
185 | |
186 | /* In mac80211, rates for 5 GHz start at 0 */ | |
187 | if (info->band == IEEE80211_BAND_5GHZ) | |
188 | rate += IWL_FIRST_OFDM_RATE; | |
189 | else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) | |
47ff65c4 | 190 | rate_flags |= RATE_MCS_CCK_MSK; |
0b5b3ff1 JB |
191 | |
192 | tx_beacon_cmd->tx.rate_n_flags = | |
193 | iwl_hw_set_rate_n_flags(rate, rate_flags); | |
4bf64efd | 194 | |
8a98d49e | 195 | /* Submit command */ |
4ce7cc2b | 196 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
3fa50738 | 197 | cmd.data[0] = tx_beacon_cmd; |
4ce7cc2b JB |
198 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
199 | cmd.len[1] = frame_size; | |
200 | cmd.data[1] = priv->beacon_skb->data; | |
201 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; | |
7aaa1d79 | 202 | |
e6bb4c9c | 203 | return iwl_trans_send_cmd(trans(priv), &cmd); |
a8e74e27 SO |
204 | } |
205 | ||
5b9f8cd3 | 206 | static void iwl_bg_beacon_update(struct work_struct *work) |
b481de9c | 207 | { |
c79dd5b5 TW |
208 | struct iwl_priv *priv = |
209 | container_of(work, struct iwl_priv, beacon_update); | |
b481de9c ZY |
210 | struct sk_buff *beacon; |
211 | ||
6ac2f839 | 212 | mutex_lock(&priv->shrd->mutex); |
76d04815 JB |
213 | if (!priv->beacon_ctx) { |
214 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); | |
215 | goto out; | |
216 | } | |
b481de9c | 217 | |
60744f62 JB |
218 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
219 | /* | |
220 | * The ucode will send beacon notifications even in | |
221 | * IBSS mode, but we don't want to process them. But | |
222 | * we need to defer the type check to here due to | |
223 | * requiring locking around the beacon_ctx access. | |
224 | */ | |
225 | goto out; | |
226 | } | |
227 | ||
76d04815 JB |
228 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
229 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); | |
b481de9c | 230 | if (!beacon) { |
77834543 | 231 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
76d04815 | 232 | goto out; |
b481de9c ZY |
233 | } |
234 | ||
b481de9c | 235 | /* new beacon skb is allocated every time; dispose previous.*/ |
77834543 | 236 | dev_kfree_skb(priv->beacon_skb); |
b481de9c | 237 | |
12e934dc | 238 | priv->beacon_skb = beacon; |
b481de9c | 239 | |
2295c66b | 240 | iwlagn_send_beacon_cmd(priv); |
76d04815 | 241 | out: |
6ac2f839 | 242 | mutex_unlock(&priv->shrd->mutex); |
b481de9c ZY |
243 | } |
244 | ||
fbba9410 WYG |
245 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
246 | { | |
247 | struct iwl_priv *priv = | |
248 | container_of(work, struct iwl_priv, bt_runtime_config); | |
249 | ||
63013ae3 | 250 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
fbba9410 WYG |
251 | return; |
252 | ||
253 | /* dont send host command if rf-kill is on */ | |
845a9c0d | 254 | if (!iwl_is_ready_rf(priv->shrd)) |
fbba9410 | 255 | return; |
e55b517c | 256 | iwlagn_send_advance_bt_config(priv); |
fbba9410 WYG |
257 | } |
258 | ||
bee008b7 WYG |
259 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
260 | { | |
261 | struct iwl_priv *priv = | |
262 | container_of(work, struct iwl_priv, bt_full_concurrency); | |
246ed355 | 263 | struct iwl_rxon_context *ctx; |
bee008b7 | 264 | |
6ac2f839 | 265 | mutex_lock(&priv->shrd->mutex); |
dc1a4068 | 266 | |
63013ae3 | 267 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
dc1a4068 | 268 | goto out; |
bee008b7 WYG |
269 | |
270 | /* dont send host command if rf-kill is on */ | |
845a9c0d | 271 | if (!iwl_is_ready_rf(priv->shrd)) |
dc1a4068 | 272 | goto out; |
bee008b7 WYG |
273 | |
274 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", | |
275 | priv->bt_full_concurrent ? | |
276 | "full concurrency" : "3-wire"); | |
277 | ||
278 | /* | |
279 | * LQ & RXON updated cmds must be sent before BT Config cmd | |
280 | * to avoid 3-wire collisions | |
281 | */ | |
246ed355 | 282 | for_each_context(priv, ctx) { |
e3f10cea | 283 | iwlagn_set_rxon_chain(priv, ctx); |
805a3b81 | 284 | iwlagn_commit_rxon(priv, ctx); |
246ed355 | 285 | } |
bee008b7 | 286 | |
e55b517c | 287 | iwlagn_send_advance_bt_config(priv); |
dc1a4068 | 288 | out: |
6ac2f839 | 289 | mutex_unlock(&priv->shrd->mutex); |
bee008b7 WYG |
290 | } |
291 | ||
4e39317d | 292 | /** |
5b9f8cd3 | 293 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
4e39317d EG |
294 | * |
295 | * This callback is provided in order to send a statistics request. | |
296 | * | |
297 | * This timer function is continually reset to execute within | |
298 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION | |
299 | * was received. We need to ensure we receive the statistics in order | |
300 | * to update the temperature used for calibrating the TXPOWER. | |
301 | */ | |
5b9f8cd3 | 302 | static void iwl_bg_statistics_periodic(unsigned long data) |
4e39317d EG |
303 | { |
304 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
305 | ||
63013ae3 | 306 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4e39317d EG |
307 | return; |
308 | ||
61780ee3 | 309 | /* dont send host command if rf-kill is on */ |
845a9c0d | 310 | if (!iwl_is_ready_rf(priv->shrd)) |
61780ee3 MA |
311 | return; |
312 | ||
ef8d5529 | 313 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
4e39317d EG |
314 | } |
315 | ||
a9e1cb6a WYG |
316 | |
317 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, | |
318 | u32 start_idx, u32 num_events, | |
319 | u32 mode) | |
320 | { | |
321 | u32 i; | |
322 | u32 ptr; /* SRAM byte address of log data */ | |
323 | u32 ev, time, data; /* event log data */ | |
324 | unsigned long reg_flags; | |
325 | ||
326 | if (mode == 0) | |
327 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); | |
328 | else | |
329 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); | |
330 | ||
331 | /* Make sure device is powered up for SRAM reads */ | |
83ed9015 EG |
332 | spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); |
333 | if (iwl_grab_nic_access(bus(priv))) { | |
334 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); | |
a9e1cb6a WYG |
335 | return; |
336 | } | |
337 | ||
338 | /* Set starting address; reads will auto-increment */ | |
83ed9015 | 339 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); |
a9e1cb6a WYG |
340 | rmb(); |
341 | ||
342 | /* | |
343 | * "time" is actually "data" for mode 0 (no timestamp). | |
344 | * place event id # at far right for easier visual parsing. | |
345 | */ | |
346 | for (i = 0; i < num_events; i++) { | |
83ed9015 EG |
347 | ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
348 | time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); | |
a9e1cb6a WYG |
349 | if (mode == 0) { |
350 | trace_iwlwifi_dev_ucode_cont_event(priv, | |
351 | 0, time, ev); | |
352 | } else { | |
83ed9015 | 353 | data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); |
a9e1cb6a WYG |
354 | trace_iwlwifi_dev_ucode_cont_event(priv, |
355 | time, data, ev); | |
356 | } | |
357 | } | |
358 | /* Allow device to power down */ | |
83ed9015 EG |
359 | iwl_release_nic_access(bus(priv)); |
360 | spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); | |
a9e1cb6a WYG |
361 | } |
362 | ||
875295f1 | 363 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
a9e1cb6a WYG |
364 | { |
365 | u32 capacity; /* event log capacity in # entries */ | |
366 | u32 base; /* SRAM byte address of event log header */ | |
367 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
368 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
369 | u32 next_entry; /* index of next entry to be written by uCode */ | |
370 | ||
d7d5783c | 371 | base = priv->device_pointers.error_event_table; |
4caab328 | 372 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
83ed9015 EG |
373 | capacity = iwl_read_targ_mem(bus(priv), base); |
374 | num_wraps = iwl_read_targ_mem(bus(priv), | |
375 | base + (2 * sizeof(u32))); | |
376 | mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); | |
377 | next_entry = iwl_read_targ_mem(bus(priv), | |
378 | base + (3 * sizeof(u32))); | |
a9e1cb6a WYG |
379 | } else |
380 | return; | |
381 | ||
382 | if (num_wraps == priv->event_log.num_wraps) { | |
383 | iwl_print_cont_event_trace(priv, | |
384 | base, priv->event_log.next_entry, | |
385 | next_entry - priv->event_log.next_entry, | |
386 | mode); | |
387 | priv->event_log.non_wraps_count++; | |
388 | } else { | |
389 | if ((num_wraps - priv->event_log.num_wraps) > 1) | |
390 | priv->event_log.wraps_more_count++; | |
391 | else | |
392 | priv->event_log.wraps_once_count++; | |
393 | trace_iwlwifi_dev_ucode_wrap_event(priv, | |
394 | num_wraps - priv->event_log.num_wraps, | |
395 | next_entry, priv->event_log.next_entry); | |
396 | if (next_entry < priv->event_log.next_entry) { | |
397 | iwl_print_cont_event_trace(priv, base, | |
398 | priv->event_log.next_entry, | |
399 | capacity - priv->event_log.next_entry, | |
400 | mode); | |
401 | ||
402 | iwl_print_cont_event_trace(priv, base, 0, | |
403 | next_entry, mode); | |
404 | } else { | |
405 | iwl_print_cont_event_trace(priv, base, | |
406 | next_entry, capacity - next_entry, | |
407 | mode); | |
408 | ||
409 | iwl_print_cont_event_trace(priv, base, 0, | |
410 | next_entry, mode); | |
411 | } | |
412 | } | |
413 | priv->event_log.num_wraps = num_wraps; | |
414 | priv->event_log.next_entry = next_entry; | |
415 | } | |
416 | ||
417 | /** | |
418 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
419 | * | |
420 | * The timer is continually set to execute every | |
421 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
422 | * this function is to perform continuous uCode event logging operation | |
423 | * if enabled | |
424 | */ | |
425 | static void iwl_bg_ucode_trace(unsigned long data) | |
426 | { | |
427 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
428 | ||
63013ae3 | 429 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
a9e1cb6a WYG |
430 | return; |
431 | ||
432 | if (priv->event_log.ucode_trace) { | |
433 | iwl_continuous_event_trace(priv); | |
434 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
435 | mod_timer(&priv->ucode_trace, | |
436 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
437 | } | |
438 | } | |
439 | ||
65550636 WYG |
440 | static void iwl_bg_tx_flush(struct work_struct *work) |
441 | { | |
442 | struct iwl_priv *priv = | |
443 | container_of(work, struct iwl_priv, tx_flush); | |
444 | ||
63013ae3 | 445 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
65550636 WYG |
446 | return; |
447 | ||
448 | /* do nothing if rf-kill is on */ | |
845a9c0d | 449 | if (!iwl_is_ready_rf(priv->shrd)) |
65550636 WYG |
450 | return; |
451 | ||
c68744fb WYG |
452 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
453 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
454 | } |
455 | ||
7d47618a EG |
456 | /***************************************************************************** |
457 | * | |
458 | * sysfs attributes | |
459 | * | |
460 | *****************************************************************************/ | |
461 | ||
462 | #ifdef CONFIG_IWLWIFI_DEBUG | |
463 | ||
464 | /* | |
465 | * The following adds a new attribute to the sysfs representation | |
466 | * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/) | |
467 | * used for controlling the debug level. | |
468 | * | |
469 | * See the level definitions in iwl for details. | |
470 | * | |
471 | * The debug_level being managed using sysfs below is a per device debug | |
472 | * level that is used instead of the global debug level if it (the per | |
473 | * device debug level) is set. | |
474 | */ | |
475 | static ssize_t show_debug_level(struct device *d, | |
476 | struct device_attribute *attr, char *buf) | |
477 | { | |
cac988a6 | 478 | struct iwl_shared *shrd = dev_get_drvdata(d); |
8f470ce3 | 479 | return sprintf(buf, "0x%08X\n", iwl_get_debug_level(shrd)); |
7d47618a EG |
480 | } |
481 | static ssize_t store_debug_level(struct device *d, | |
482 | struct device_attribute *attr, | |
483 | const char *buf, size_t count) | |
484 | { | |
cac988a6 EG |
485 | struct iwl_shared *shrd = dev_get_drvdata(d); |
486 | struct iwl_priv *priv = shrd->priv; | |
7d47618a EG |
487 | unsigned long val; |
488 | int ret; | |
489 | ||
490 | ret = strict_strtoul(buf, 0, &val); | |
491 | if (ret) | |
492 | IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf); | |
493 | else { | |
8f470ce3 | 494 | shrd->dbg_level_dev = val; |
7d47618a | 495 | if (iwl_alloc_traffic_mem(priv)) |
8f470ce3 | 496 | IWL_ERR(shrd->priv, |
7d47618a EG |
497 | "Not enough memory to generate traffic log\n"); |
498 | } | |
499 | return strnlen(buf, count); | |
500 | } | |
501 | ||
502 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
503 | show_debug_level, store_debug_level); | |
504 | ||
505 | ||
506 | #endif /* CONFIG_IWLWIFI_DEBUG */ | |
507 | ||
508 | ||
509 | static ssize_t show_temperature(struct device *d, | |
510 | struct device_attribute *attr, char *buf) | |
511 | { | |
cac988a6 EG |
512 | struct iwl_shared *shrd = dev_get_drvdata(d); |
513 | struct iwl_priv *priv = shrd->priv; | |
7d47618a | 514 | |
845a9c0d | 515 | if (!iwl_is_alive(priv->shrd)) |
7d47618a EG |
516 | return -EAGAIN; |
517 | ||
518 | return sprintf(buf, "%d\n", priv->temperature); | |
519 | } | |
520 | ||
521 | static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); | |
522 | ||
523 | static ssize_t show_tx_power(struct device *d, | |
524 | struct device_attribute *attr, char *buf) | |
525 | { | |
526 | struct iwl_priv *priv = dev_get_drvdata(d); | |
527 | ||
845a9c0d | 528 | if (!iwl_is_ready_rf(priv->shrd)) |
7d47618a EG |
529 | return sprintf(buf, "off\n"); |
530 | else | |
531 | return sprintf(buf, "%d\n", priv->tx_power_user_lmt); | |
532 | } | |
533 | ||
534 | static ssize_t store_tx_power(struct device *d, | |
535 | struct device_attribute *attr, | |
536 | const char *buf, size_t count) | |
537 | { | |
538 | struct iwl_priv *priv = dev_get_drvdata(d); | |
539 | unsigned long val; | |
540 | int ret; | |
541 | ||
542 | ret = strict_strtoul(buf, 10, &val); | |
543 | if (ret) | |
544 | IWL_INFO(priv, "%s is not in decimal form.\n", buf); | |
545 | else { | |
546 | ret = iwl_set_tx_power(priv, val, false); | |
547 | if (ret) | |
548 | IWL_ERR(priv, "failed setting tx power (0x%d).\n", | |
549 | ret); | |
550 | else | |
551 | ret = count; | |
552 | } | |
553 | return ret; | |
554 | } | |
555 | ||
556 | static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); | |
557 | ||
7d47618a EG |
558 | static struct attribute *iwl_sysfs_entries[] = { |
559 | &dev_attr_temperature.attr, | |
560 | &dev_attr_tx_power.attr, | |
7d47618a EG |
561 | #ifdef CONFIG_IWLWIFI_DEBUG |
562 | &dev_attr_debug_level.attr, | |
563 | #endif | |
564 | NULL | |
565 | }; | |
566 | ||
567 | static struct attribute_group iwl_attribute_group = { | |
568 | .name = NULL, /* put in device directory */ | |
569 | .attrs = iwl_sysfs_entries, | |
570 | }; | |
571 | ||
b481de9c ZY |
572 | /****************************************************************************** |
573 | * | |
574 | * uCode download functions | |
575 | * | |
576 | ******************************************************************************/ | |
577 | ||
3599d39a | 578 | static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) |
dbf28e21 JB |
579 | { |
580 | if (desc->v_addr) | |
d5934110 | 581 | dma_free_coherent(priv->bus->dev, desc->len, |
dbf28e21 JB |
582 | desc->v_addr, desc->p_addr); |
583 | desc->v_addr = NULL; | |
584 | desc->len = 0; | |
585 | } | |
586 | ||
3599d39a | 587 | static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) |
dbf28e21 | 588 | { |
3599d39a EG |
589 | iwl_free_fw_desc(priv, &img->code); |
590 | iwl_free_fw_desc(priv, &img->data); | |
dbf28e21 JB |
591 | } |
592 | ||
3599d39a EG |
593 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
594 | { | |
595 | iwl_free_fw_img(priv, &priv->ucode_rt); | |
596 | iwl_free_fw_img(priv, &priv->ucode_init); | |
c8ac61cf | 597 | iwl_free_fw_img(priv, &priv->ucode_wowlan); |
3599d39a EG |
598 | } |
599 | ||
600 | static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, | |
dbf28e21 JB |
601 | const void *data, size_t len) |
602 | { | |
603 | if (!len) { | |
604 | desc->v_addr = NULL; | |
605 | return -EINVAL; | |
606 | } | |
607 | ||
d5934110 | 608 | desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, |
dbf28e21 JB |
609 | &desc->p_addr, GFP_KERNEL); |
610 | if (!desc->v_addr) | |
611 | return -ENOMEM; | |
3599d39a | 612 | |
dbf28e21 JB |
613 | desc->len = len; |
614 | memcpy(desc->v_addr, data, len); | |
615 | return 0; | |
616 | } | |
617 | ||
4d2a5d0e JB |
618 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
619 | { | |
4d2a5d0e JB |
620 | int i; |
621 | ||
622 | /* | |
623 | * The default context is always valid, | |
624 | * the PAN context depends on uCode. | |
625 | */ | |
626 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); | |
627 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) | |
628 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); | |
629 | ||
630 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
631 | priv->contexts[i].ctxid = i; | |
632 | ||
633 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
634 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
635 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
636 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
637 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
638 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
639 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
640 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
4d2a5d0e JB |
641 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
642 | BIT(NL80211_IFTYPE_ADHOC); | |
643 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
644 | BIT(NL80211_IFTYPE_STATION); | |
645 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
646 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
647 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
648 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
649 | ||
650 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
651 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
652 | REPLY_WIPAN_RXON_TIMING; | |
653 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
654 | REPLY_WIPAN_RXON_ASSOC; | |
655 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
656 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
657 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
658 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
659 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
4d2a5d0e JB |
660 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
661 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
662 | |
663 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
664 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
665 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
666 | BIT(NL80211_IFTYPE_P2P_GO); | |
667 | ||
4d2a5d0e JB |
668 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
669 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
670 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
671 | ||
672 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
673 | } | |
674 | ||
675 | ||
dd7a2509 JB |
676 | struct iwlagn_ucode_capabilities { |
677 | u32 max_probe_length; | |
6a822d06 | 678 | u32 standard_phy_calibration_size; |
3997ff39 | 679 | u32 flags; |
dd7a2509 | 680 | }; |
edcdf8b2 | 681 | |
b08dfd04 | 682 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
dd7a2509 JB |
683 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
684 | struct iwlagn_ucode_capabilities *capa); | |
b08dfd04 | 685 | |
39396085 JS |
686 | #define UCODE_EXPERIMENTAL_INDEX 100 |
687 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
688 | ||
b08dfd04 JB |
689 | static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) |
690 | { | |
691 | const char *name_pre = priv->cfg->fw_name_pre; | |
39396085 | 692 | char tag[8]; |
b08dfd04 | 693 | |
39396085 JS |
694 | if (first) { |
695 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
696 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; | |
697 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); | |
698 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { | |
699 | #endif | |
b08dfd04 | 700 | priv->fw_index = priv->cfg->ucode_api_max; |
39396085 JS |
701 | sprintf(tag, "%d", priv->fw_index); |
702 | } else { | |
b08dfd04 | 703 | priv->fw_index--; |
39396085 JS |
704 | sprintf(tag, "%d", priv->fw_index); |
705 | } | |
b08dfd04 JB |
706 | |
707 | if (priv->fw_index < priv->cfg->ucode_api_min) { | |
708 | IWL_ERR(priv, "no suitable firmware found!\n"); | |
709 | return -ENOENT; | |
710 | } | |
711 | ||
39396085 | 712 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
b08dfd04 | 713 | |
39396085 JS |
714 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
715 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
716 | ? "EXPERIMENTAL " : "", | |
b08dfd04 JB |
717 | priv->firmware_name); |
718 | ||
719 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, | |
d5934110 | 720 | priv->bus->dev, |
3599d39a | 721 | GFP_KERNEL, priv, iwl_ucode_callback); |
b08dfd04 JB |
722 | } |
723 | ||
0e9a44dc | 724 | struct iwlagn_firmware_pieces { |
c8ac61cf JB |
725 | const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; |
726 | size_t inst_size, data_size, init_size, init_data_size, | |
727 | wowlan_inst_size, wowlan_data_size; | |
0e9a44dc JB |
728 | |
729 | u32 build; | |
b2e640d4 JB |
730 | |
731 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
732 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
0e9a44dc JB |
733 | }; |
734 | ||
735 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, | |
736 | const struct firmware *ucode_raw, | |
737 | struct iwlagn_firmware_pieces *pieces) | |
738 | { | |
739 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
740 | u32 api_ver, hdr_size; | |
741 | const u8 *src; | |
742 | ||
743 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
744 | api_ver = IWL_UCODE_API(priv->ucode_ver); | |
745 | ||
746 | switch (api_ver) { | |
747 | default: | |
f7d046f9 WYG |
748 | hdr_size = 28; |
749 | if (ucode_raw->size < hdr_size) { | |
750 | IWL_ERR(priv, "File size too small!\n"); | |
751 | return -EINVAL; | |
0e9a44dc | 752 | } |
f7d046f9 WYG |
753 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
754 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); | |
755 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); | |
756 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); | |
757 | pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size); | |
f7d046f9 WYG |
758 | src = ucode->u.v2.data; |
759 | break; | |
0e9a44dc JB |
760 | case 0: |
761 | case 1: | |
762 | case 2: | |
763 | hdr_size = 24; | |
764 | if (ucode_raw->size < hdr_size) { | |
765 | IWL_ERR(priv, "File size too small!\n"); | |
766 | return -EINVAL; | |
767 | } | |
768 | pieces->build = 0; | |
769 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); | |
770 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); | |
771 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); | |
772 | pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size); | |
0e9a44dc JB |
773 | src = ucode->u.v1.data; |
774 | break; | |
775 | } | |
776 | ||
777 | /* Verify size of file vs. image size info in file's header */ | |
778 | if (ucode_raw->size != hdr_size + pieces->inst_size + | |
779 | pieces->data_size + pieces->init_size + | |
1fc35276 | 780 | pieces->init_data_size) { |
0e9a44dc JB |
781 | |
782 | IWL_ERR(priv, | |
783 | "uCode file size %d does not match expected size\n", | |
784 | (int)ucode_raw->size); | |
785 | return -EINVAL; | |
786 | } | |
787 | ||
788 | pieces->inst = src; | |
789 | src += pieces->inst_size; | |
790 | pieces->data = src; | |
791 | src += pieces->data_size; | |
792 | pieces->init = src; | |
793 | src += pieces->init_size; | |
794 | pieces->init_data = src; | |
795 | src += pieces->init_data_size; | |
0e9a44dc JB |
796 | |
797 | return 0; | |
798 | } | |
799 | ||
dd7a2509 JB |
800 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
801 | const struct firmware *ucode_raw, | |
802 | struct iwlagn_firmware_pieces *pieces, | |
803 | struct iwlagn_ucode_capabilities *capa) | |
804 | { | |
805 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
806 | struct iwl_ucode_tlv *tlv; | |
807 | size_t len = ucode_raw->size; | |
808 | const u8 *data; | |
48f20d35 EG |
809 | int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; |
810 | int tmp; | |
dd7a2509 | 811 | u64 alternatives; |
ad8d8333 WYG |
812 | u32 tlv_len; |
813 | enum iwl_ucode_tlv_type tlv_type; | |
814 | const u8 *tlv_data; | |
dd7a2509 | 815 | |
ad8d8333 WYG |
816 | if (len < sizeof(*ucode)) { |
817 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); | |
dd7a2509 | 818 | return -EINVAL; |
ad8d8333 | 819 | } |
dd7a2509 | 820 | |
ad8d8333 WYG |
821 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
822 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", | |
823 | le32_to_cpu(ucode->magic)); | |
dd7a2509 | 824 | return -EINVAL; |
ad8d8333 | 825 | } |
dd7a2509 JB |
826 | |
827 | /* | |
828 | * Check which alternatives are present, and "downgrade" | |
829 | * when the chosen alternative is not present, warning | |
830 | * the user when that happens. Some files may not have | |
831 | * any alternatives, so don't warn in that case. | |
832 | */ | |
833 | alternatives = le64_to_cpu(ucode->alternatives); | |
834 | tmp = wanted_alternative; | |
835 | if (wanted_alternative > 63) | |
836 | wanted_alternative = 63; | |
837 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) | |
838 | wanted_alternative--; | |
839 | if (wanted_alternative && wanted_alternative != tmp) | |
840 | IWL_WARN(priv, | |
841 | "uCode alternative %d not available, choosing %d\n", | |
842 | tmp, wanted_alternative); | |
843 | ||
844 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
845 | pieces->build = le32_to_cpu(ucode->build); | |
846 | data = ucode->data; | |
847 | ||
848 | len -= sizeof(*ucode); | |
849 | ||
704da534 | 850 | while (len >= sizeof(*tlv)) { |
dd7a2509 | 851 | u16 tlv_alt; |
dd7a2509 JB |
852 | |
853 | len -= sizeof(*tlv); | |
854 | tlv = (void *)data; | |
855 | ||
856 | tlv_len = le32_to_cpu(tlv->length); | |
857 | tlv_type = le16_to_cpu(tlv->type); | |
858 | tlv_alt = le16_to_cpu(tlv->alternative); | |
859 | tlv_data = tlv->data; | |
860 | ||
ad8d8333 WYG |
861 | if (len < tlv_len) { |
862 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", | |
863 | len, tlv_len); | |
dd7a2509 | 864 | return -EINVAL; |
ad8d8333 | 865 | } |
dd7a2509 JB |
866 | len -= ALIGN(tlv_len, 4); |
867 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
868 | ||
869 | /* | |
870 | * Alternative 0 is always valid. | |
871 | * | |
872 | * Skip alternative TLVs that are not selected. | |
873 | */ | |
874 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) | |
875 | continue; | |
876 | ||
877 | switch (tlv_type) { | |
878 | case IWL_UCODE_TLV_INST: | |
879 | pieces->inst = tlv_data; | |
880 | pieces->inst_size = tlv_len; | |
881 | break; | |
882 | case IWL_UCODE_TLV_DATA: | |
883 | pieces->data = tlv_data; | |
884 | pieces->data_size = tlv_len; | |
885 | break; | |
886 | case IWL_UCODE_TLV_INIT: | |
887 | pieces->init = tlv_data; | |
888 | pieces->init_size = tlv_len; | |
889 | break; | |
890 | case IWL_UCODE_TLV_INIT_DATA: | |
891 | pieces->init_data = tlv_data; | |
892 | pieces->init_data_size = tlv_len; | |
893 | break; | |
894 | case IWL_UCODE_TLV_BOOT: | |
1fc35276 | 895 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
dd7a2509 JB |
896 | break; |
897 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
704da534 JB |
898 | if (tlv_len != sizeof(u32)) |
899 | goto invalid_tlv_len; | |
900 | capa->max_probe_length = | |
ad8d8333 | 901 | le32_to_cpup((__le32 *)tlv_data); |
dd7a2509 | 902 | break; |
ece9c4ee JB |
903 | case IWL_UCODE_TLV_PAN: |
904 | if (tlv_len) | |
905 | goto invalid_tlv_len; | |
3997ff39 JB |
906 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
907 | break; | |
908 | case IWL_UCODE_TLV_FLAGS: | |
909 | /* must be at least one u32 */ | |
910 | if (tlv_len < sizeof(u32)) | |
911 | goto invalid_tlv_len; | |
912 | /* and a proper number of u32s */ | |
913 | if (tlv_len % sizeof(u32)) | |
914 | goto invalid_tlv_len; | |
915 | /* | |
916 | * This driver only reads the first u32 as | |
917 | * right now no more features are defined, | |
918 | * if that changes then either the driver | |
919 | * will not work with the new firmware, or | |
920 | * it'll not take advantage of new features. | |
921 | */ | |
922 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
ece9c4ee | 923 | break; |
b2e640d4 | 924 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
704da534 JB |
925 | if (tlv_len != sizeof(u32)) |
926 | goto invalid_tlv_len; | |
927 | pieces->init_evtlog_ptr = | |
ad8d8333 | 928 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
929 | break; |
930 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
704da534 JB |
931 | if (tlv_len != sizeof(u32)) |
932 | goto invalid_tlv_len; | |
933 | pieces->init_evtlog_size = | |
ad8d8333 | 934 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
935 | break; |
936 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
704da534 JB |
937 | if (tlv_len != sizeof(u32)) |
938 | goto invalid_tlv_len; | |
939 | pieces->init_errlog_ptr = | |
ad8d8333 | 940 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
941 | break; |
942 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
704da534 JB |
943 | if (tlv_len != sizeof(u32)) |
944 | goto invalid_tlv_len; | |
945 | pieces->inst_evtlog_ptr = | |
ad8d8333 | 946 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
947 | break; |
948 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
704da534 JB |
949 | if (tlv_len != sizeof(u32)) |
950 | goto invalid_tlv_len; | |
951 | pieces->inst_evtlog_size = | |
ad8d8333 | 952 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
953 | break; |
954 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
704da534 JB |
955 | if (tlv_len != sizeof(u32)) |
956 | goto invalid_tlv_len; | |
957 | pieces->inst_errlog_ptr = | |
ad8d8333 | 958 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 | 959 | break; |
c8312fac WYG |
960 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
961 | if (tlv_len) | |
704da534 JB |
962 | goto invalid_tlv_len; |
963 | priv->enhance_sensitivity_table = true; | |
c8312fac | 964 | break; |
c8ac61cf JB |
965 | case IWL_UCODE_TLV_WOWLAN_INST: |
966 | pieces->wowlan_inst = tlv_data; | |
967 | pieces->wowlan_inst_size = tlv_len; | |
968 | break; | |
969 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
970 | pieces->wowlan_data = tlv_data; | |
971 | pieces->wowlan_data_size = tlv_len; | |
972 | break; | |
6a822d06 | 973 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
704da534 JB |
974 | if (tlv_len != sizeof(u32)) |
975 | goto invalid_tlv_len; | |
976 | capa->standard_phy_calibration_size = | |
6a822d06 WYG |
977 | le32_to_cpup((__le32 *)tlv_data); |
978 | break; | |
dd7a2509 | 979 | default: |
6fc3ba99 | 980 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
dd7a2509 JB |
981 | break; |
982 | } | |
983 | } | |
984 | ||
ad8d8333 WYG |
985 | if (len) { |
986 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); | |
987 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); | |
704da534 | 988 | return -EINVAL; |
ad8d8333 | 989 | } |
dd7a2509 | 990 | |
704da534 JB |
991 | return 0; |
992 | ||
993 | invalid_tlv_len: | |
994 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); | |
995 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); | |
996 | ||
997 | return -EINVAL; | |
dd7a2509 JB |
998 | } |
999 | ||
b481de9c | 1000 | /** |
b08dfd04 | 1001 | * iwl_ucode_callback - callback when firmware was loaded |
b481de9c | 1002 | * |
b08dfd04 JB |
1003 | * If loaded successfully, copies the firmware into buffers |
1004 | * for the card to fetch (via DMA). | |
b481de9c | 1005 | */ |
b08dfd04 | 1006 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
b481de9c | 1007 | { |
b08dfd04 | 1008 | struct iwl_priv *priv = context; |
cc0f555d | 1009 | struct iwl_ucode_header *ucode; |
0e9a44dc JB |
1010 | int err; |
1011 | struct iwlagn_firmware_pieces pieces; | |
a0987a8d | 1012 | const unsigned int api_max = priv->cfg->ucode_api_max; |
5d7969bf | 1013 | unsigned int api_ok = priv->cfg->ucode_api_ok; |
a0987a8d | 1014 | const unsigned int api_min = priv->cfg->ucode_api_min; |
0e9a44dc | 1015 | u32 api_ver; |
3e4de761 | 1016 | char buildstr[25]; |
0e9a44dc | 1017 | u32 build; |
dd7a2509 JB |
1018 | struct iwlagn_ucode_capabilities ucode_capa = { |
1019 | .max_probe_length = 200, | |
6a822d06 | 1020 | .standard_phy_calibration_size = |
642454cc | 1021 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
dd7a2509 | 1022 | }; |
0e9a44dc | 1023 | |
5d7969bf JB |
1024 | if (!api_ok) |
1025 | api_ok = api_max; | |
1026 | ||
0e9a44dc | 1027 | memset(&pieces, 0, sizeof(pieces)); |
b481de9c | 1028 | |
b08dfd04 | 1029 | if (!ucode_raw) { |
5d7969bf | 1030 | if (priv->fw_index <= api_ok) |
39396085 JS |
1031 | IWL_ERR(priv, |
1032 | "request for firmware file '%s' failed.\n", | |
1033 | priv->firmware_name); | |
b08dfd04 | 1034 | goto try_again; |
b481de9c ZY |
1035 | } |
1036 | ||
b08dfd04 JB |
1037 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
1038 | priv->firmware_name, ucode_raw->size); | |
b481de9c | 1039 | |
22adba2a JB |
1040 | /* Make sure that we got at least the API version number */ |
1041 | if (ucode_raw->size < 4) { | |
15b1687c | 1042 | IWL_ERR(priv, "File size way too small!\n"); |
b08dfd04 | 1043 | goto try_again; |
b481de9c ZY |
1044 | } |
1045 | ||
1046 | /* Data from ucode file: header followed by uCode images */ | |
cc0f555d | 1047 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
b481de9c | 1048 | |
0e9a44dc JB |
1049 | if (ucode->ver) |
1050 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); | |
1051 | else | |
dd7a2509 JB |
1052 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
1053 | &ucode_capa); | |
22adba2a | 1054 | |
0e9a44dc JB |
1055 | if (err) |
1056 | goto try_again; | |
b481de9c | 1057 | |
a0987a8d | 1058 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
0e9a44dc | 1059 | build = pieces.build; |
a0987a8d | 1060 | |
0e9a44dc JB |
1061 | /* |
1062 | * api_ver should match the api version forming part of the | |
1063 | * firmware filename ... but we don't check for that and only rely | |
1064 | * on the API version read from firmware header from here on forward | |
1065 | */ | |
65cccfb0 WYG |
1066 | /* no api version check required for experimental uCode */ |
1067 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { | |
1068 | if (api_ver < api_min || api_ver > api_max) { | |
1069 | IWL_ERR(priv, | |
1070 | "Driver unable to support your firmware API. " | |
1071 | "Driver supports v%u, firmware is v%u.\n", | |
1072 | api_max, api_ver); | |
1073 | goto try_again; | |
1074 | } | |
b08dfd04 | 1075 | |
5d7969bf JB |
1076 | if (api_ver < api_ok) { |
1077 | if (api_ok != api_max) | |
1078 | IWL_ERR(priv, "Firmware has old API version, " | |
1079 | "expected v%u through v%u, got v%u.\n", | |
1080 | api_ok, api_max, api_ver); | |
1081 | else | |
1082 | IWL_ERR(priv, "Firmware has old API version, " | |
1083 | "expected v%u, got v%u.\n", | |
1084 | api_max, api_ver); | |
1085 | IWL_ERR(priv, "New firmware can be obtained from " | |
1086 | "http://www.intellinuxwireless.org/.\n"); | |
1087 | } | |
65cccfb0 | 1088 | } |
a0987a8d | 1089 | |
3e4de761 | 1090 | if (build) |
39396085 JS |
1091 | sprintf(buildstr, " build %u%s", build, |
1092 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
1093 | ? " (EXP)" : ""); | |
3e4de761 JB |
1094 | else |
1095 | buildstr[0] = '\0'; | |
1096 | ||
1097 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", | |
1098 | IWL_UCODE_MAJOR(priv->ucode_ver), | |
1099 | IWL_UCODE_MINOR(priv->ucode_ver), | |
1100 | IWL_UCODE_API(priv->ucode_ver), | |
1101 | IWL_UCODE_SERIAL(priv->ucode_ver), | |
1102 | buildstr); | |
a0987a8d | 1103 | |
5ebeb5a6 RC |
1104 | snprintf(priv->hw->wiphy->fw_version, |
1105 | sizeof(priv->hw->wiphy->fw_version), | |
3e4de761 | 1106 | "%u.%u.%u.%u%s", |
5ebeb5a6 RC |
1107 | IWL_UCODE_MAJOR(priv->ucode_ver), |
1108 | IWL_UCODE_MINOR(priv->ucode_ver), | |
1109 | IWL_UCODE_API(priv->ucode_ver), | |
3e4de761 JB |
1110 | IWL_UCODE_SERIAL(priv->ucode_ver), |
1111 | buildstr); | |
b481de9c | 1112 | |
b08dfd04 JB |
1113 | /* |
1114 | * For any of the failures below (before allocating pci memory) | |
1115 | * we will try to load a version with a smaller API -- maybe the | |
1116 | * user just got a corrupted version of the latest API. | |
1117 | */ | |
1118 | ||
0e9a44dc JB |
1119 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
1120 | priv->ucode_ver); | |
1121 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", | |
1122 | pieces.inst_size); | |
1123 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", | |
1124 | pieces.data_size); | |
1125 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", | |
1126 | pieces.init_size); | |
1127 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", | |
1128 | pieces.init_data_size); | |
b481de9c ZY |
1129 | |
1130 | /* Verify that uCode images will fit in card's SRAM */ | |
d6189124 | 1131 | if (pieces.inst_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1132 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
1133 | pieces.inst_size); | |
b08dfd04 | 1134 | goto try_again; |
b481de9c ZY |
1135 | } |
1136 | ||
d6189124 | 1137 | if (pieces.data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1138 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
1139 | pieces.data_size); | |
b08dfd04 | 1140 | goto try_again; |
b481de9c | 1141 | } |
0e9a44dc | 1142 | |
d6189124 | 1143 | if (pieces.init_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1144 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
1145 | pieces.init_size); | |
b08dfd04 | 1146 | goto try_again; |
b481de9c | 1147 | } |
0e9a44dc | 1148 | |
d6189124 | 1149 | if (pieces.init_data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1150 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
1151 | pieces.init_data_size); | |
b08dfd04 | 1152 | goto try_again; |
b481de9c | 1153 | } |
0e9a44dc | 1154 | |
b481de9c ZY |
1155 | /* Allocate ucode buffers for card's bus-master loading ... */ |
1156 | ||
1157 | /* Runtime instructions and 2 copies of data: | |
1158 | * 1) unmodified from disk | |
1159 | * 2) backup cache for save/restore during power-downs */ | |
3599d39a | 1160 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
dbf28e21 JB |
1161 | pieces.inst, pieces.inst_size)) |
1162 | goto err_pci_alloc; | |
3599d39a | 1163 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
dbf28e21 | 1164 | pieces.data, pieces.data_size)) |
1f304e4e ZY |
1165 | goto err_pci_alloc; |
1166 | ||
b481de9c | 1167 | /* Initialization instructions and data */ |
0e9a44dc | 1168 | if (pieces.init_size && pieces.init_data_size) { |
3599d39a | 1169 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
dbf28e21 JB |
1170 | pieces.init, pieces.init_size)) |
1171 | goto err_pci_alloc; | |
3599d39a | 1172 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
dbf28e21 | 1173 | pieces.init_data, pieces.init_data_size)) |
90e759d1 TW |
1174 | goto err_pci_alloc; |
1175 | } | |
b481de9c | 1176 | |
c8ac61cf JB |
1177 | /* WoWLAN instructions and data */ |
1178 | if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { | |
1179 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, | |
1180 | pieces.wowlan_inst, | |
1181 | pieces.wowlan_inst_size)) | |
1182 | goto err_pci_alloc; | |
1183 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, | |
1184 | pieces.wowlan_data, | |
1185 | pieces.wowlan_data_size)) | |
1186 | goto err_pci_alloc; | |
1187 | } | |
1188 | ||
b2e640d4 JB |
1189 | /* Now that we can no longer fail, copy information */ |
1190 | ||
1191 | /* | |
1192 | * The (size - 16) / 12 formula is based on the information recorded | |
1193 | * for each event, which is of mode 1 (including timestamp) for all | |
1194 | * new microcodes that include this information. | |
1195 | */ | |
898ed67b | 1196 | priv->init_evtlog_ptr = pieces.init_evtlog_ptr; |
b2e640d4 | 1197 | if (pieces.init_evtlog_size) |
898ed67b | 1198 | priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
b2e640d4 | 1199 | else |
898ed67b | 1200 | priv->init_evtlog_size = |
7cb1b088 | 1201 | priv->cfg->base_params->max_event_log_size; |
898ed67b WYG |
1202 | priv->init_errlog_ptr = pieces.init_errlog_ptr; |
1203 | priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
b2e640d4 | 1204 | if (pieces.inst_evtlog_size) |
898ed67b | 1205 | priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
b2e640d4 | 1206 | else |
898ed67b | 1207 | priv->inst_evtlog_size = |
7cb1b088 | 1208 | priv->cfg->base_params->max_event_log_size; |
898ed67b | 1209 | priv->inst_errlog_ptr = pieces.inst_errlog_ptr; |
b2e640d4 | 1210 | |
d2690c0d JB |
1211 | priv->new_scan_threshold_behaviour = |
1212 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); | |
1213 | ||
4d2a5d0e JB |
1214 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) |
1215 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
c10afb6e | 1216 | |
c6baf7fb JB |
1217 | /* |
1218 | * if not PAN, then don't support P2P -- might be a uCode | |
1219 | * packaging bug or due to the eeprom check above | |
1220 | */ | |
1221 | if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) | |
1222 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1223 | ||
4d2a5d0e JB |
1224 | if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1225 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
cefeaa5f | 1226 | priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
4d2a5d0e JB |
1227 | } else { |
1228 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
cefeaa5f | 1229 | priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
4d2a5d0e | 1230 | } |
17445b8c | 1231 | |
6a822d06 WYG |
1232 | /* |
1233 | * figure out the offset of chain noise reset and gain commands | |
1234 | * base on the size of standard phy calibration commands table size | |
1235 | */ | |
1236 | if (ucode_capa.standard_phy_calibration_size > | |
1237 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1238 | ucode_capa.standard_phy_calibration_size = | |
1239 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1240 | ||
898ed67b | 1241 | priv->phy_calib_chain_noise_reset_cmd = |
6a822d06 | 1242 | ucode_capa.standard_phy_calibration_size; |
898ed67b | 1243 | priv->phy_calib_chain_noise_gain_cmd = |
6a822d06 WYG |
1244 | ucode_capa.standard_phy_calibration_size + 1; |
1245 | ||
4d2a5d0e JB |
1246 | /* initialize all valid contexts */ |
1247 | iwl_init_context(priv, ucode_capa.flags); | |
1248 | ||
b08dfd04 JB |
1249 | /************************************************** |
1250 | * This is still part of probe() in a sense... | |
1251 | * | |
1252 | * 9. Setup and register with mac80211 and debugfs | |
1253 | **************************************************/ | |
dd7a2509 | 1254 | err = iwl_mac_setup_register(priv, &ucode_capa); |
b08dfd04 JB |
1255 | if (err) |
1256 | goto out_unbind; | |
1257 | ||
1258 | err = iwl_dbgfs_register(priv, DRV_NAME); | |
1259 | if (err) | |
1260 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); | |
1261 | ||
d5934110 | 1262 | err = sysfs_create_group(&(priv->bus->dev->kobj), |
7d47618a EG |
1263 | &iwl_attribute_group); |
1264 | if (err) { | |
1265 | IWL_ERR(priv, "failed to create sysfs device attributes\n"); | |
1266 | goto out_unbind; | |
1267 | } | |
1268 | ||
b481de9c ZY |
1269 | /* We have our copies now, allow OS release its copies */ |
1270 | release_firmware(ucode_raw); | |
898ed67b | 1271 | complete(&priv->firmware_loading_complete); |
b08dfd04 JB |
1272 | return; |
1273 | ||
1274 | try_again: | |
1275 | /* try next, if any */ | |
1276 | if (iwl_request_firmware(priv, false)) | |
1277 | goto out_unbind; | |
1278 | release_firmware(ucode_raw); | |
1279 | return; | |
b481de9c ZY |
1280 | |
1281 | err_pci_alloc: | |
15b1687c | 1282 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
3599d39a | 1283 | iwl_dealloc_ucode(priv); |
b08dfd04 | 1284 | out_unbind: |
898ed67b | 1285 | complete(&priv->firmware_loading_complete); |
d5934110 | 1286 | device_release_driver(priv->bus->dev); |
b481de9c | 1287 | release_firmware(ucode_raw); |
b481de9c ZY |
1288 | } |
1289 | ||
0975cc8f WYG |
1290 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
1291 | { | |
1292 | struct iwl_ct_kill_config cmd; | |
1293 | struct iwl_ct_kill_throttling_config adv_cmd; | |
1294 | unsigned long flags; | |
1295 | int ret = 0; | |
1296 | ||
10b15e6f | 1297 | spin_lock_irqsave(&priv->shrd->lock, flags); |
83ed9015 | 1298 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
0975cc8f | 1299 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
10b15e6f | 1300 | spin_unlock_irqrestore(&priv->shrd->lock, flags); |
0975cc8f WYG |
1301 | priv->thermal_throttle.ct_kill_toggle = false; |
1302 | ||
7cb1b088 | 1303 | if (priv->cfg->base_params->support_ct_kill_exit) { |
0975cc8f | 1304 | adv_cmd.critical_temperature_enter = |
d6189124 | 1305 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1306 | adv_cmd.critical_temperature_exit = |
d6189124 | 1307 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
0975cc8f | 1308 | |
e6bb4c9c | 1309 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1310 | REPLY_CT_KILL_CONFIG_CMD, |
1311 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
1312 | if (ret) |
1313 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1314 | else | |
1315 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1316 | "succeeded, critical temperature enter is %d," |
1317 | "exit is %d\n", | |
1318 | hw_params(priv).ct_kill_threshold, | |
1319 | hw_params(priv).ct_kill_exit_threshold); | |
0975cc8f WYG |
1320 | } else { |
1321 | cmd.critical_temperature_R = | |
d6189124 | 1322 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1323 | |
e6bb4c9c | 1324 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1325 | REPLY_CT_KILL_CONFIG_CMD, |
1326 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
1327 | if (ret) |
1328 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1329 | else | |
1330 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1331 | "succeeded, " |
1332 | "critical temperature is %d\n", | |
1333 | hw_params(priv).ct_kill_threshold); | |
0975cc8f WYG |
1334 | } |
1335 | } | |
1336 | ||
6d6a1afd SZ |
1337 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
1338 | { | |
1339 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
1340 | struct iwl_host_cmd cmd = { | |
1341 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
1342 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
1343 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
1344 | }; |
1345 | ||
1346 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
1347 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; | |
7cb1b088 | 1348 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 1349 | |
e6bb4c9c | 1350 | return iwl_trans_send_cmd(trans(priv), &cmd); |
6d6a1afd SZ |
1351 | } |
1352 | ||
1353 | ||
e505c433 WYG |
1354 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
1355 | { | |
1356 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
1357 | .valid = cpu_to_le32(valid_tx_ant), | |
1358 | }; | |
1359 | ||
1360 | if (IWL_UCODE_API(priv->ucode_ver) > 1) { | |
1361 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); | |
e6bb4c9c | 1362 | return iwl_trans_send_cmd_pdu(trans(priv), |
e505c433 WYG |
1363 | TX_ANT_CONFIGURATION_CMD, |
1364 | CMD_SYNC, | |
1365 | sizeof(struct iwl_tx_ant_config_cmd), | |
1366 | &tx_ant_cmd); | |
1367 | } else { | |
1368 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
1369 | return -EOPNOTSUPP; | |
1370 | } | |
1371 | } | |
1372 | ||
b481de9c | 1373 | /** |
4a4a9e81 | 1374 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 1375 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 1376 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 1377 | */ |
4613e72d | 1378 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 1379 | { |
57aab75a | 1380 | int ret = 0; |
246ed355 | 1381 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 1382 | |
1a361cd8 | 1383 | /*TODO: this should go to the transport layer */ |
6bb78847 | 1384 | iwl_reset_ict(trans(priv)); |
b481de9c | 1385 | |
ca7966c8 | 1386 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 1387 | |
5b9f8cd3 | 1388 | /* After the ALIVE response, we can send host commands to the uCode */ |
63013ae3 | 1389 | set_bit(STATUS_ALIVE, &priv->shrd->status); |
b481de9c | 1390 | |
22de94de SG |
1391 | /* Enable watchdog to monitor the driver tx queues */ |
1392 | iwl_setup_watchdog(priv); | |
b74e31a9 | 1393 | |
845a9c0d | 1394 | if (iwl_is_rfkill(priv->shrd)) |
ca7966c8 | 1395 | return -ERFKILL; |
b481de9c | 1396 | |
bc795df1 | 1397 | /* download priority table before any calibration request */ |
7cb1b088 WYG |
1398 | if (priv->cfg->bt_params && |
1399 | priv->cfg->bt_params->advanced_bt_coexist) { | |
f7322f8f | 1400 | /* Configure Bluetooth device coexistence support */ |
207ecc5e MV |
1401 | if (priv->cfg->bt_params->bt_sco_disable) |
1402 | priv->bt_enable_pspoll = false; | |
1403 | else | |
1404 | priv->bt_enable_pspoll = true; | |
1405 | ||
f7322f8f WYG |
1406 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
1407 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
1408 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 1409 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 1410 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
1411 | priv->cur_rssi_ctx = NULL; |
1412 | ||
a5901cbb | 1413 | iwlagn_send_prio_tbl(priv); |
f7322f8f WYG |
1414 | |
1415 | /* FIXME: w/a to force change uCode BT state machine */ | |
ca7966c8 JB |
1416 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
1417 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1418 | if (ret) | |
1419 | return ret; | |
1420 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, | |
1421 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1422 | if (ret) | |
1423 | return ret; | |
e55b517c WYG |
1424 | } else { |
1425 | /* | |
1426 | * default is 2-wire BT coexexistence support | |
1427 | */ | |
1428 | iwl_send_bt_config(priv); | |
f7322f8f | 1429 | } |
e55b517c | 1430 | |
d6189124 EG |
1431 | if (hw_params(priv).calib_rt_cfg) |
1432 | iwlagn_send_calib_cfg_rt(priv, | |
1433 | hw_params(priv).calib_rt_cfg); | |
bc795df1 | 1434 | |
36d6825b | 1435 | ieee80211_wake_queues(priv->hw); |
b481de9c | 1436 | |
470ab2dd | 1437 | priv->active_rate = IWL_RATES_MASK; |
b481de9c | 1438 | |
2f748dec | 1439 | /* Configure Tx antenna selection based on H/W config */ |
e3f10cea | 1440 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
2f748dec | 1441 | |
57210f7c | 1442 | if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { |
c1adf9fb | 1443 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 1444 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 1445 | /* apply any changes in staging */ |
246ed355 | 1446 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
1447 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
1448 | } else { | |
d0fe478c | 1449 | struct iwl_rxon_context *tmp; |
b481de9c | 1450 | /* Initialize our rx_config data */ |
d0fe478c JB |
1451 | for_each_context(priv, tmp) |
1452 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 1453 | |
e3f10cea | 1454 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
1455 | } |
1456 | ||
57210f7c | 1457 | if (!priv->shrd->wowlan) { |
c8ac61cf JB |
1458 | /* WoWLAN ucode will not reply in the same way, skip it */ |
1459 | iwl_reset_run_time_calib(priv); | |
1460 | } | |
4a4a9e81 | 1461 | |
63013ae3 | 1462 | set_bit(STATUS_READY, &priv->shrd->status); |
9e2e7422 | 1463 | |
b481de9c | 1464 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 1465 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
1466 | if (ret) |
1467 | return ret; | |
b481de9c ZY |
1468 | |
1469 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 1470 | iwl_rf_kill_ct_config(priv); |
5a66926a | 1471 | |
e1623446 | 1472 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 1473 | |
ca7966c8 | 1474 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
1475 | } |
1476 | ||
4e39317d | 1477 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
b481de9c | 1478 | |
5b9f8cd3 | 1479 | static void __iwl_down(struct iwl_priv *priv) |
b481de9c | 1480 | { |
22dd2fd2 | 1481 | int exit_pending; |
b481de9c | 1482 | |
e1623446 | 1483 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 1484 | |
d745d472 SG |
1485 | iwl_scan_cancel_timeout(priv, 200); |
1486 | ||
c6baf7fb JB |
1487 | /* |
1488 | * If active, scanning won't cancel it, so say it expired. | |
1489 | * No race since we hold the mutex here and a new one | |
1490 | * can't come in at this time. | |
1491 | */ | |
1492 | ieee80211_remain_on_channel_expired(priv->hw); | |
1493 | ||
63013ae3 EG |
1494 | exit_pending = |
1495 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); | |
b481de9c | 1496 | |
b62177a0 SG |
1497 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
1498 | * to prevent rearm timer */ | |
22de94de | 1499 | del_timer_sync(&priv->watchdog); |
b62177a0 | 1500 | |
dcef732c | 1501 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 1502 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 1503 | iwl_clear_driver_stations(priv); |
b481de9c | 1504 | |
a1174138 | 1505 | /* reset BT coex data */ |
da5dbb97 | 1506 | priv->bt_status = 0; |
207ecc5e MV |
1507 | priv->cur_rssi_ctx = NULL; |
1508 | priv->bt_is_sco = 0; | |
7cb1b088 WYG |
1509 | if (priv->cfg->bt_params) |
1510 | priv->bt_traffic_load = | |
1511 | priv->cfg->bt_params->bt_init_traffic_load; | |
1512 | else | |
1513 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
1514 | priv->bt_full_concurrent = false; |
1515 | priv->bt_ci_compliance = 0; | |
a1174138 | 1516 | |
b481de9c ZY |
1517 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
1518 | * exiting the module */ | |
1519 | if (!exit_pending) | |
63013ae3 | 1520 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1521 | |
e20d4341 | 1522 | if (priv->shrd->mac80211_registered) |
b481de9c ZY |
1523 | ieee80211_stop_queues(priv->hw); |
1524 | ||
1a10f433 | 1525 | /* Clear out all status bits but a few that are stable across reset */ |
63013ae3 EG |
1526 | priv->shrd->status &= |
1527 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << | |
b481de9c | 1528 | STATUS_RF_KILL_HW | |
63013ae3 | 1529 | test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << |
9788864e | 1530 | STATUS_GEO_CONFIGURED | |
63013ae3 | 1531 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
052ec3f1 | 1532 | STATUS_FW_ERROR | |
63013ae3 | 1533 | test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << |
052ec3f1 | 1534 | STATUS_EXIT_PENDING; |
b481de9c | 1535 | |
e6bb4c9c | 1536 | iwl_trans_stop_device(trans(priv)); |
4d2ccdb9 | 1537 | |
77834543 | 1538 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 1539 | priv->beacon_skb = NULL; |
b481de9c ZY |
1540 | } |
1541 | ||
5b9f8cd3 | 1542 | static void iwl_down(struct iwl_priv *priv) |
b481de9c | 1543 | { |
6ac2f839 | 1544 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1545 | __iwl_down(priv); |
6ac2f839 | 1546 | mutex_unlock(&priv->shrd->mutex); |
b24d22b1 | 1547 | |
4e39317d | 1548 | iwl_cancel_deferred_work(priv); |
b481de9c ZY |
1549 | } |
1550 | ||
1551 | #define MAX_HW_RESTARTS 5 | |
1552 | ||
5b9f8cd3 | 1553 | static int __iwl_up(struct iwl_priv *priv) |
b481de9c | 1554 | { |
a194e324 | 1555 | struct iwl_rxon_context *ctx; |
57aab75a | 1556 | int ret; |
b481de9c | 1557 | |
6ac2f839 | 1558 | lockdep_assert_held(&priv->shrd->mutex); |
ca7966c8 | 1559 | |
63013ae3 | 1560 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
39aadf8c | 1561 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
b481de9c ZY |
1562 | return -EIO; |
1563 | } | |
1564 | ||
a194e324 | 1565 | for_each_context(priv, ctx) { |
a30e3112 | 1566 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
a194e324 JB |
1567 | if (ret) { |
1568 | iwl_dealloc_bcast_stations(priv); | |
1569 | return ret; | |
1570 | } | |
1571 | } | |
2c810ccd | 1572 | |
ca7966c8 JB |
1573 | ret = iwlagn_run_init_ucode(priv); |
1574 | if (ret) { | |
1575 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); | |
1576 | goto error; | |
1577 | } | |
b481de9c | 1578 | |
ca7966c8 | 1579 | ret = iwlagn_load_ucode_wait_alive(priv, |
dbf28e21 | 1580 | &priv->ucode_rt, |
872907bb | 1581 | IWL_UCODE_REGULAR); |
ca7966c8 JB |
1582 | if (ret) { |
1583 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); | |
1584 | goto error; | |
b481de9c ZY |
1585 | } |
1586 | ||
ca7966c8 JB |
1587 | ret = iwl_alive_start(priv); |
1588 | if (ret) | |
1589 | goto error; | |
1590 | return 0; | |
1591 | ||
1592 | error: | |
63013ae3 | 1593 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5b9f8cd3 | 1594 | __iwl_down(priv); |
63013ae3 | 1595 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1596 | |
ca7966c8 JB |
1597 | IWL_ERR(priv, "Unable to initialize device.\n"); |
1598 | return ret; | |
b481de9c ZY |
1599 | } |
1600 | ||
1601 | ||
1602 | /***************************************************************************** | |
1603 | * | |
1604 | * Workqueue callbacks | |
1605 | * | |
1606 | *****************************************************************************/ | |
1607 | ||
16e727e8 EG |
1608 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
1609 | { | |
1610 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
1611 | run_time_calib_work); | |
1612 | ||
6ac2f839 | 1613 | mutex_lock(&priv->shrd->mutex); |
16e727e8 | 1614 | |
63013ae3 EG |
1615 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
1616 | test_bit(STATUS_SCANNING, &priv->shrd->status)) { | |
6ac2f839 | 1617 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1618 | return; |
1619 | } | |
1620 | ||
1621 | if (priv->start_calib) { | |
0da0e5bf JB |
1622 | iwl_chain_noise_calibration(priv); |
1623 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
1624 | } |
1625 | ||
6ac2f839 | 1626 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1627 | } |
1628 | ||
e43e85c4 JB |
1629 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
1630 | { | |
1631 | struct iwl_rxon_context *ctx; | |
1632 | bool bt_full_concurrent; | |
1633 | u8 bt_ci_compliance; | |
1634 | u8 bt_load; | |
1635 | u8 bt_status; | |
207ecc5e | 1636 | bool bt_is_sco; |
e43e85c4 | 1637 | |
6ac2f839 | 1638 | lockdep_assert_held(&priv->shrd->mutex); |
e43e85c4 JB |
1639 | |
1640 | for_each_context(priv, ctx) | |
1641 | ctx->vif = NULL; | |
1642 | priv->is_open = 0; | |
1643 | ||
1644 | /* | |
1645 | * __iwl_down() will clear the BT status variables, | |
1646 | * which is correct, but when we restart we really | |
1647 | * want to keep them so restore them afterwards. | |
1648 | * | |
1649 | * The restart process will later pick them up and | |
1650 | * re-configure the hw when we reconfigure the BT | |
1651 | * command. | |
1652 | */ | |
1653 | bt_full_concurrent = priv->bt_full_concurrent; | |
1654 | bt_ci_compliance = priv->bt_ci_compliance; | |
1655 | bt_load = priv->bt_traffic_load; | |
1656 | bt_status = priv->bt_status; | |
207ecc5e | 1657 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 JB |
1658 | |
1659 | __iwl_down(priv); | |
1660 | ||
1661 | priv->bt_full_concurrent = bt_full_concurrent; | |
1662 | priv->bt_ci_compliance = bt_ci_compliance; | |
1663 | priv->bt_traffic_load = bt_load; | |
1664 | priv->bt_status = bt_status; | |
207ecc5e | 1665 | priv->bt_is_sco = bt_is_sco; |
e43e85c4 JB |
1666 | } |
1667 | ||
5b9f8cd3 | 1668 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1669 | { |
c79dd5b5 | 1670 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1671 | |
63013ae3 | 1672 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
b481de9c ZY |
1673 | return; |
1674 | ||
63013ae3 | 1675 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
6ac2f839 | 1676 | mutex_lock(&priv->shrd->mutex); |
e43e85c4 | 1677 | iwlagn_prepare_restart(priv); |
6ac2f839 | 1678 | mutex_unlock(&priv->shrd->mutex); |
a1174138 | 1679 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1680 | ieee80211_restart_hw(priv->hw); |
1681 | } else { | |
ca7966c8 | 1682 | WARN_ON(1); |
19cc1087 | 1683 | } |
b481de9c ZY |
1684 | } |
1685 | ||
b481de9c ZY |
1686 | /***************************************************************************** |
1687 | * | |
1688 | * mac80211 entry point functions | |
1689 | * | |
1690 | *****************************************************************************/ | |
1691 | ||
0fd09502 JB |
1692 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
1693 | { | |
1694 | .max = 1, | |
1695 | .types = BIT(NL80211_IFTYPE_STATION), | |
1696 | }, | |
1697 | { | |
1698 | .max = 1, | |
1699 | .types = BIT(NL80211_IFTYPE_AP), | |
1700 | }, | |
1701 | }; | |
1702 | ||
1703 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { | |
1704 | { | |
1705 | .max = 2, | |
1706 | .types = BIT(NL80211_IFTYPE_STATION), | |
1707 | }, | |
1708 | }; | |
1709 | ||
1710 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { | |
1711 | { | |
1712 | .max = 1, | |
1713 | .types = BIT(NL80211_IFTYPE_STATION), | |
1714 | }, | |
1715 | { | |
1716 | .max = 1, | |
1717 | .types = BIT(NL80211_IFTYPE_P2P_GO) | | |
1718 | BIT(NL80211_IFTYPE_AP), | |
1719 | }, | |
1720 | }; | |
1721 | ||
1722 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { | |
1723 | { | |
1724 | .max = 2, | |
1725 | .types = BIT(NL80211_IFTYPE_STATION), | |
1726 | }, | |
1727 | { | |
1728 | .max = 1, | |
1729 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), | |
1730 | }, | |
1731 | }; | |
1732 | ||
1733 | static const struct ieee80211_iface_combination | |
1734 | iwlagn_iface_combinations_dualmode[] = { | |
1735 | { .num_different_channels = 1, | |
1736 | .max_interfaces = 2, | |
1737 | .beacon_int_infra_match = true, | |
1738 | .limits = iwlagn_sta_ap_limits, | |
1739 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), | |
1740 | }, | |
1741 | { .num_different_channels = 1, | |
1742 | .max_interfaces = 2, | |
1743 | .limits = iwlagn_2sta_limits, | |
1744 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), | |
1745 | }, | |
1746 | }; | |
1747 | ||
1748 | static const struct ieee80211_iface_combination | |
1749 | iwlagn_iface_combinations_p2p[] = { | |
1750 | { .num_different_channels = 1, | |
1751 | .max_interfaces = 2, | |
1752 | .beacon_int_infra_match = true, | |
1753 | .limits = iwlagn_p2p_sta_go_limits, | |
1754 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), | |
1755 | }, | |
1756 | { .num_different_channels = 1, | |
1757 | .max_interfaces = 2, | |
1758 | .limits = iwlagn_p2p_2sta_limits, | |
1759 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), | |
1760 | }, | |
1761 | }; | |
1762 | ||
f0b6e2e8 RC |
1763 | /* |
1764 | * Not a mac80211 entry point function, but it fits in with all the | |
1765 | * other mac80211 functions grouped here. | |
1766 | */ | |
dd7a2509 JB |
1767 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
1768 | struct iwlagn_ucode_capabilities *capa) | |
f0b6e2e8 RC |
1769 | { |
1770 | int ret; | |
1771 | struct ieee80211_hw *hw = priv->hw; | |
d0fe478c JB |
1772 | struct iwl_rxon_context *ctx; |
1773 | ||
f0b6e2e8 RC |
1774 | hw->rate_control_algorithm = "iwl-agn-rs"; |
1775 | ||
1776 | /* Tell mac80211 our characteristics */ | |
1777 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
f0b6e2e8 | 1778 | IEEE80211_HW_AMPDU_AGGREGATION | |
2491fa42 | 1779 | IEEE80211_HW_NEED_DTIM_PERIOD | |
6fb5511a JB |
1780 | IEEE80211_HW_SPECTRUM_MGMT | |
1781 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; | |
f0b6e2e8 | 1782 | |
9b768832 JB |
1783 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
1784 | ||
23c0fcc6 WYG |
1785 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
1786 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; | |
f0b6e2e8 | 1787 | |
88950758 | 1788 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
ba37a3d0 JB |
1789 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
1790 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; | |
1791 | ||
3997ff39 JB |
1792 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
1793 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; | |
1794 | ||
8d9698b3 | 1795 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
fd1af15d JB |
1796 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
1797 | ||
d0fe478c JB |
1798 | for_each_context(priv, ctx) { |
1799 | hw->wiphy->interface_modes |= ctx->interface_modes; | |
1800 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; | |
1801 | } | |
f0b6e2e8 | 1802 | |
0fd09502 JB |
1803 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
1804 | ||
f35490f9 | 1805 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
0fd09502 JB |
1806 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
1807 | hw->wiphy->n_iface_combinations = | |
1808 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); | |
f35490f9 | 1809 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
0fd09502 JB |
1810 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
1811 | hw->wiphy->n_iface_combinations = | |
1812 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); | |
1813 | } | |
1814 | ||
9b9190d9 JB |
1815 | hw->wiphy->max_remain_on_channel_duration = 1000; |
1816 | ||
f6c8f152 | 1817 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
274102a8 JB |
1818 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
1819 | WIPHY_FLAG_IBSS_RSN; | |
f0b6e2e8 | 1820 | |
c8ac61cf JB |
1821 | if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { |
1822 | hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | | |
1823 | WIPHY_WOWLAN_DISCONNECT | | |
1824 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
1825 | WIPHY_WOWLAN_RFKILL_RELEASE; | |
1826 | if (!iwlagn_mod_params.sw_crypto) | |
1827 | hw->wiphy->wowlan.flags |= | |
1828 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
1829 | WIPHY_WOWLAN_GTK_REKEY_FAILURE; | |
1830 | ||
1831 | hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; | |
1832 | hw->wiphy->wowlan.pattern_min_len = | |
1833 | IWLAGN_WOWLAN_MIN_PATTERN_LEN; | |
1834 | hw->wiphy->wowlan.pattern_max_len = | |
1835 | IWLAGN_WOWLAN_MAX_PATTERN_LEN; | |
1836 | } | |
1837 | ||
0172b029 WYG |
1838 | if (iwlagn_mod_params.power_save) |
1839 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
1840 | else | |
1841 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
f0b6e2e8 | 1842 | |
1382c71c | 1843 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
f0b6e2e8 | 1844 | /* we create the 802.11 header and a zero-length SSID element */ |
dd7a2509 | 1845 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
f0b6e2e8 RC |
1846 | |
1847 | /* Default value; 4 EDCA QOS priorities */ | |
1848 | hw->queues = 4; | |
1849 | ||
1850 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; | |
1851 | ||
1852 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) | |
1853 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
1854 | &priv->bands[IEEE80211_BAND_2GHZ]; | |
1855 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) | |
1856 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
1857 | &priv->bands[IEEE80211_BAND_5GHZ]; | |
1858 | ||
5ed540ae WYG |
1859 | iwl_leds_init(priv); |
1860 | ||
f0b6e2e8 RC |
1861 | ret = ieee80211_register_hw(priv->hw); |
1862 | if (ret) { | |
1863 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); | |
1864 | return ret; | |
1865 | } | |
e20d4341 | 1866 | priv->shrd->mac80211_registered = 1; |
f0b6e2e8 RC |
1867 | |
1868 | return 0; | |
1869 | } | |
1870 | ||
1871 | ||
2dedbf58 | 1872 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
b481de9c | 1873 | { |
c79dd5b5 | 1874 | struct iwl_priv *priv = hw->priv; |
5a66926a | 1875 | int ret; |
b481de9c | 1876 | |
e1623446 | 1877 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c ZY |
1878 | |
1879 | /* we should be verifying the device is ready to be opened */ | |
6ac2f839 | 1880 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1881 | ret = __iwl_up(priv); |
6ac2f839 | 1882 | mutex_unlock(&priv->shrd->mutex); |
e655b9f0 | 1883 | if (ret) |
6cd0b1cb | 1884 | return ret; |
e655b9f0 | 1885 | |
e1623446 | 1886 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
e655b9f0 | 1887 | |
ca7966c8 | 1888 | /* Now we should be done, and the READY bit should be set. */ |
63013ae3 | 1889 | if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) |
ca7966c8 | 1890 | ret = -EIO; |
0a078ffa | 1891 | |
5ed540ae | 1892 | iwlagn_led_enable(priv); |
e932a609 | 1893 | |
0a078ffa | 1894 | priv->is_open = 1; |
e1623446 | 1895 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1896 | return 0; |
1897 | } | |
1898 | ||
2dedbf58 | 1899 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
b481de9c | 1900 | { |
c79dd5b5 | 1901 | struct iwl_priv *priv = hw->priv; |
b481de9c | 1902 | |
e1623446 | 1903 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
948c171c | 1904 | |
19cc1087 | 1905 | if (!priv->is_open) |
e655b9f0 | 1906 | return; |
e655b9f0 | 1907 | |
b481de9c | 1908 | priv->is_open = 0; |
5a66926a | 1909 | |
5b9f8cd3 | 1910 | iwl_down(priv); |
5a66926a | 1911 | |
74e28e44 | 1912 | flush_workqueue(priv->shrd->workqueue); |
6cd0b1cb | 1913 | |
554d1d02 SG |
1914 | /* User space software may expect getting rfkill changes |
1915 | * even if interface is down */ | |
83ed9015 | 1916 | iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); |
554d1d02 | 1917 | iwl_enable_rfkill_int(priv); |
948c171c | 1918 | |
e1623446 | 1919 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1920 | } |
1921 | ||
26293133 | 1922 | #ifdef CONFIG_PM |
c8ac61cf JB |
1923 | static int iwlagn_send_patterns(struct iwl_priv *priv, |
1924 | struct cfg80211_wowlan *wowlan) | |
1925 | { | |
1926 | struct iwlagn_wowlan_patterns_cmd *pattern_cmd; | |
1927 | struct iwl_host_cmd cmd = { | |
1928 | .id = REPLY_WOWLAN_PATTERNS, | |
1929 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
1930 | .flags = CMD_SYNC, | |
1931 | }; | |
1932 | int i, err; | |
1933 | ||
1934 | if (!wowlan->n_patterns) | |
1935 | return 0; | |
1936 | ||
1937 | cmd.len[0] = sizeof(*pattern_cmd) + | |
1938 | wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); | |
1939 | ||
1940 | pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); | |
1941 | if (!pattern_cmd) | |
1942 | return -ENOMEM; | |
1943 | ||
1944 | pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); | |
1945 | ||
1946 | for (i = 0; i < wowlan->n_patterns; i++) { | |
1947 | int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); | |
1948 | ||
1949 | memcpy(&pattern_cmd->patterns[i].mask, | |
1950 | wowlan->patterns[i].mask, mask_len); | |
1951 | memcpy(&pattern_cmd->patterns[i].pattern, | |
1952 | wowlan->patterns[i].pattern, | |
1953 | wowlan->patterns[i].pattern_len); | |
1954 | pattern_cmd->patterns[i].mask_size = mask_len; | |
1955 | pattern_cmd->patterns[i].pattern_size = | |
1956 | wowlan->patterns[i].pattern_len; | |
1957 | } | |
1958 | ||
1959 | cmd.data[0] = pattern_cmd; | |
e6bb4c9c | 1960 | err = iwl_trans_send_cmd(trans(priv), &cmd); |
c8ac61cf JB |
1961 | kfree(pattern_cmd); |
1962 | return err; | |
1963 | } | |
26293133 | 1964 | #endif |
c8ac61cf JB |
1965 | |
1966 | static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, | |
1967 | struct ieee80211_vif *vif, | |
1968 | struct cfg80211_gtk_rekey_data *data) | |
1969 | { | |
1970 | struct iwl_priv *priv = hw->priv; | |
1971 | ||
1972 | if (iwlagn_mod_params.sw_crypto) | |
1973 | return; | |
1974 | ||
6ac2f839 | 1975 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
1976 | |
1977 | if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) | |
1978 | goto out; | |
1979 | ||
1980 | memcpy(priv->kek, data->kek, NL80211_KEK_LEN); | |
1981 | memcpy(priv->kck, data->kck, NL80211_KCK_LEN); | |
1982 | priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); | |
1983 | priv->have_rekey_data = true; | |
1984 | ||
1985 | out: | |
6ac2f839 | 1986 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
1987 | } |
1988 | ||
1989 | struct wowlan_key_data { | |
1990 | struct iwl_rxon_context *ctx; | |
1991 | struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; | |
1992 | struct iwlagn_wowlan_tkip_params_cmd *tkip; | |
1993 | const u8 *bssid; | |
1994 | bool error, use_rsc_tsc, use_tkip; | |
1995 | }; | |
1996 | ||
26293133 | 1997 | #ifdef CONFIG_PM |
c8ac61cf JB |
1998 | static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) |
1999 | { | |
2000 | int i; | |
2001 | ||
2002 | for (i = 0; i < IWLAGN_P1K_SIZE; i++) | |
2003 | out[i] = cpu_to_le16(p1k[i]); | |
2004 | } | |
2005 | ||
2006 | static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, | |
2007 | struct ieee80211_vif *vif, | |
2008 | struct ieee80211_sta *sta, | |
2009 | struct ieee80211_key_conf *key, | |
2010 | void *_data) | |
2011 | { | |
2012 | struct iwl_priv *priv = hw->priv; | |
2013 | struct wowlan_key_data *data = _data; | |
2014 | struct iwl_rxon_context *ctx = data->ctx; | |
2015 | struct aes_sc *aes_sc, *aes_tx_sc = NULL; | |
2016 | struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; | |
2017 | struct iwlagn_p1k_cache *rx_p1ks; | |
2018 | u8 *rx_mic_key; | |
2019 | struct ieee80211_key_seq seq; | |
2020 | u32 cur_rx_iv32 = 0; | |
2021 | u16 p1k[IWLAGN_P1K_SIZE]; | |
2022 | int ret, i; | |
2023 | ||
6ac2f839 | 2024 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2025 | |
2026 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
2027 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && | |
2028 | !sta && !ctx->key_mapping_keys) | |
2029 | ret = iwl_set_default_wep_key(priv, ctx, key); | |
2030 | else | |
2031 | ret = iwl_set_dynamic_key(priv, ctx, key, sta); | |
2032 | ||
2033 | if (ret) { | |
2034 | IWL_ERR(priv, "Error setting key during suspend!\n"); | |
2035 | data->error = true; | |
2036 | } | |
2037 | ||
2038 | switch (key->cipher) { | |
2039 | case WLAN_CIPHER_SUITE_TKIP: | |
2040 | if (sta) { | |
2041 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; | |
2042 | tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; | |
2043 | ||
2044 | rx_p1ks = data->tkip->rx_uni; | |
2045 | ||
2046 | ieee80211_get_key_tx_seq(key, &seq); | |
2047 | tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); | |
2048 | tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); | |
2049 | ||
2050 | ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); | |
2051 | iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); | |
2052 | ||
2053 | memcpy(data->tkip->mic_keys.tx, | |
2054 | &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], | |
2055 | IWLAGN_MIC_KEY_SIZE); | |
2056 | ||
2057 | rx_mic_key = data->tkip->mic_keys.rx_unicast; | |
2058 | } else { | |
2059 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; | |
2060 | rx_p1ks = data->tkip->rx_multi; | |
2061 | rx_mic_key = data->tkip->mic_keys.rx_mcast; | |
2062 | } | |
2063 | ||
2064 | /* | |
2065 | * For non-QoS this relies on the fact that both the uCode and | |
2066 | * mac80211 use TID 0 (as they need to to avoid replay attacks) | |
2067 | * for checking the IV in the frames. | |
2068 | */ | |
2069 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
2070 | ieee80211_get_key_rx_seq(key, i, &seq); | |
2071 | tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); | |
2072 | tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); | |
2073 | /* wrapping isn't allowed, AP must rekey */ | |
2074 | if (seq.tkip.iv32 > cur_rx_iv32) | |
2075 | cur_rx_iv32 = seq.tkip.iv32; | |
2076 | } | |
2077 | ||
2078 | ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); | |
2079 | iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); | |
2080 | ieee80211_get_tkip_rx_p1k(key, data->bssid, | |
2081 | cur_rx_iv32 + 1, p1k); | |
2082 | iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); | |
2083 | ||
2084 | memcpy(rx_mic_key, | |
2085 | &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], | |
2086 | IWLAGN_MIC_KEY_SIZE); | |
2087 | ||
2088 | data->use_tkip = true; | |
2089 | data->use_rsc_tsc = true; | |
2090 | break; | |
2091 | case WLAN_CIPHER_SUITE_CCMP: | |
2092 | if (sta) { | |
2093 | u8 *pn = seq.ccmp.pn; | |
2094 | ||
2095 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; | |
2096 | aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; | |
2097 | ||
2098 | ieee80211_get_key_tx_seq(key, &seq); | |
2099 | aes_tx_sc->pn = cpu_to_le64( | |
2100 | (u64)pn[5] | | |
2101 | ((u64)pn[4] << 8) | | |
2102 | ((u64)pn[3] << 16) | | |
2103 | ((u64)pn[2] << 24) | | |
2104 | ((u64)pn[1] << 32) | | |
2105 | ((u64)pn[0] << 40)); | |
2106 | } else | |
2107 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; | |
2108 | ||
2109 | /* | |
2110 | * For non-QoS this relies on the fact that both the uCode and | |
2111 | * mac80211 use TID 0 for checking the IV in the frames. | |
2112 | */ | |
2113 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
2114 | u8 *pn = seq.ccmp.pn; | |
2115 | ||
2116 | ieee80211_get_key_rx_seq(key, i, &seq); | |
2117 | aes_sc->pn = cpu_to_le64( | |
2118 | (u64)pn[5] | | |
2119 | ((u64)pn[4] << 8) | | |
2120 | ((u64)pn[3] << 16) | | |
2121 | ((u64)pn[2] << 24) | | |
2122 | ((u64)pn[1] << 32) | | |
2123 | ((u64)pn[0] << 40)); | |
2124 | } | |
2125 | data->use_rsc_tsc = true; | |
2126 | break; | |
2127 | } | |
2128 | ||
6ac2f839 | 2129 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2130 | } |
2131 | ||
2132 | static int iwlagn_mac_suspend(struct ieee80211_hw *hw, | |
2133 | struct cfg80211_wowlan *wowlan) | |
2134 | { | |
2135 | struct iwl_priv *priv = hw->priv; | |
2136 | struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; | |
2137 | struct iwl_rxon_cmd rxon; | |
2138 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2139 | struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; | |
2140 | struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; | |
2141 | struct wowlan_key_data key_data = { | |
2142 | .ctx = ctx, | |
2143 | .bssid = ctx->active.bssid_addr, | |
2144 | .use_rsc_tsc = false, | |
2145 | .tkip = &tkip_cmd, | |
2146 | .use_tkip = false, | |
2147 | }; | |
2148 | int ret, i; | |
2149 | u16 seq; | |
2150 | ||
2151 | if (WARN_ON(!wowlan)) | |
2152 | return -EINVAL; | |
2153 | ||
6ac2f839 | 2154 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2155 | |
2156 | /* Don't attempt WoWLAN when not associated, tear down instead. */ | |
2157 | if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || | |
2158 | !iwl_is_associated_ctx(ctx)) { | |
2159 | ret = 1; | |
2160 | goto out; | |
2161 | } | |
2162 | ||
2163 | key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); | |
2164 | if (!key_data.rsc_tsc) { | |
2165 | ret = -ENOMEM; | |
2166 | goto out; | |
2167 | } | |
2168 | ||
2169 | memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); | |
2170 | ||
2171 | /* | |
2172 | * We know the last used seqno, and the uCode expects to know that | |
2173 | * one, it will increment before TX. | |
2174 | */ | |
2175 | seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; | |
2176 | wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); | |
2177 | ||
2178 | /* | |
2179 | * For QoS counters, we store the one to use next, so subtract 0x10 | |
2180 | * since the uCode will add 0x10 before using the value. | |
2181 | */ | |
2182 | for (i = 0; i < 8; i++) { | |
5f85a789 | 2183 | seq = priv->shrd->tid_data[IWL_AP_ID][i].seq_number; |
c8ac61cf JB |
2184 | seq -= 0x10; |
2185 | wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); | |
2186 | } | |
2187 | ||
2188 | if (wowlan->disconnect) | |
2189 | wakeup_filter_cmd.enabled |= | |
2190 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | | |
2191 | IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); | |
2192 | if (wowlan->magic_pkt) | |
2193 | wakeup_filter_cmd.enabled |= | |
2194 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); | |
2195 | if (wowlan->gtk_rekey_failure) | |
2196 | wakeup_filter_cmd.enabled |= | |
2197 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); | |
2198 | if (wowlan->eap_identity_req) | |
2199 | wakeup_filter_cmd.enabled |= | |
2200 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); | |
2201 | if (wowlan->four_way_handshake) | |
2202 | wakeup_filter_cmd.enabled |= | |
2203 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); | |
2204 | if (wowlan->rfkill_release) | |
2205 | wakeup_filter_cmd.enabled |= | |
2206 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); | |
2207 | if (wowlan->n_patterns) | |
2208 | wakeup_filter_cmd.enabled |= | |
2209 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); | |
2210 | ||
2211 | iwl_scan_cancel_timeout(priv, 200); | |
2212 | ||
2213 | memcpy(&rxon, &ctx->active, sizeof(rxon)); | |
2214 | ||
e6bb4c9c | 2215 | iwl_trans_stop_device(trans(priv)); |
c8ac61cf | 2216 | |
57210f7c | 2217 | priv->shrd->wowlan = true; |
c8ac61cf JB |
2218 | |
2219 | ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, | |
2220 | IWL_UCODE_WOWLAN); | |
2221 | if (ret) | |
2222 | goto error; | |
2223 | ||
2224 | /* now configure WoWLAN ucode */ | |
2225 | ret = iwl_alive_start(priv); | |
2226 | if (ret) | |
2227 | goto error; | |
2228 | ||
2229 | memcpy(&ctx->staging, &rxon, sizeof(rxon)); | |
2230 | ret = iwlagn_commit_rxon(priv, ctx); | |
2231 | if (ret) | |
2232 | goto error; | |
2233 | ||
2234 | ret = iwl_power_update_mode(priv, true); | |
2235 | if (ret) | |
2236 | goto error; | |
2237 | ||
2238 | if (!iwlagn_mod_params.sw_crypto) { | |
2239 | /* mark all keys clear */ | |
2240 | priv->ucode_key_table = 0; | |
2241 | ctx->key_mapping_keys = 0; | |
2242 | ||
2243 | /* | |
2244 | * This needs to be unlocked due to lock ordering | |
2245 | * constraints. Since we're in the suspend path | |
2246 | * that isn't really a problem though. | |
2247 | */ | |
6ac2f839 | 2248 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2249 | ieee80211_iter_keys(priv->hw, ctx->vif, |
2250 | iwlagn_wowlan_program_keys, | |
2251 | &key_data); | |
6ac2f839 | 2252 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2253 | if (key_data.error) { |
2254 | ret = -EIO; | |
2255 | goto error; | |
2256 | } | |
2257 | ||
2258 | if (key_data.use_rsc_tsc) { | |
2259 | struct iwl_host_cmd rsc_tsc_cmd = { | |
2260 | .id = REPLY_WOWLAN_TSC_RSC_PARAMS, | |
2261 | .flags = CMD_SYNC, | |
2262 | .data[0] = key_data.rsc_tsc, | |
2263 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
2264 | .len[0] = sizeof(*key_data.rsc_tsc), | |
2265 | }; | |
2266 | ||
e6bb4c9c | 2267 | ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); |
c8ac61cf JB |
2268 | if (ret) |
2269 | goto error; | |
2270 | } | |
2271 | ||
2272 | if (key_data.use_tkip) { | |
e6bb4c9c | 2273 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2274 | REPLY_WOWLAN_TKIP_PARAMS, |
2275 | CMD_SYNC, sizeof(tkip_cmd), | |
2276 | &tkip_cmd); | |
2277 | if (ret) | |
2278 | goto error; | |
2279 | } | |
2280 | ||
2281 | if (priv->have_rekey_data) { | |
2282 | memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); | |
2283 | memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); | |
2284 | kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); | |
2285 | memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); | |
2286 | kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); | |
2287 | kek_kck_cmd.replay_ctr = priv->replay_ctr; | |
2288 | ||
e6bb4c9c | 2289 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2290 | REPLY_WOWLAN_KEK_KCK_MATERIAL, |
2291 | CMD_SYNC, sizeof(kek_kck_cmd), | |
2292 | &kek_kck_cmd); | |
2293 | if (ret) | |
2294 | goto error; | |
2295 | } | |
2296 | } | |
2297 | ||
e6bb4c9c | 2298 | ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, |
c8ac61cf JB |
2299 | CMD_SYNC, sizeof(wakeup_filter_cmd), |
2300 | &wakeup_filter_cmd); | |
2301 | if (ret) | |
2302 | goto error; | |
2303 | ||
2304 | ret = iwlagn_send_patterns(priv, wowlan); | |
2305 | if (ret) | |
2306 | goto error; | |
2307 | ||
2308 | device_set_wakeup_enable(priv->bus->dev, true); | |
2309 | ||
2310 | /* Now let the ucode operate on its own */ | |
83ed9015 | 2311 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, |
c8ac61cf JB |
2312 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
2313 | ||
2314 | goto out; | |
2315 | ||
2316 | error: | |
57210f7c | 2317 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2318 | iwlagn_prepare_restart(priv); |
2319 | ieee80211_restart_hw(priv->hw); | |
2320 | out: | |
6ac2f839 | 2321 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2322 | kfree(key_data.rsc_tsc); |
2323 | return ret; | |
2324 | } | |
2325 | ||
2326 | static int iwlagn_mac_resume(struct ieee80211_hw *hw) | |
2327 | { | |
2328 | struct iwl_priv *priv = hw->priv; | |
2329 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2330 | struct ieee80211_vif *vif; | |
2331 | unsigned long flags; | |
2332 | u32 base, status = 0xffffffff; | |
2333 | int ret = -EIO; | |
2334 | ||
6ac2f839 | 2335 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf | 2336 | |
83ed9015 | 2337 | iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, |
c8ac61cf JB |
2338 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); |
2339 | ||
2340 | base = priv->device_pointers.error_event_table; | |
2341 | if (iwlagn_hw_valid_rtc_data_addr(base)) { | |
83ed9015 EG |
2342 | spin_lock_irqsave(&bus(priv)->reg_lock, flags); |
2343 | ret = iwl_grab_nic_access_silent(bus(priv)); | |
c8ac61cf | 2344 | if (ret == 0) { |
83ed9015 EG |
2345 | iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); |
2346 | status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); | |
2347 | iwl_release_nic_access(bus(priv)); | |
c8ac61cf | 2348 | } |
83ed9015 | 2349 | spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); |
c8ac61cf JB |
2350 | |
2351 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
2352 | if (ret == 0) { | |
2353 | if (!priv->wowlan_sram) | |
2354 | priv->wowlan_sram = | |
2355 | kzalloc(priv->ucode_wowlan.data.len, | |
2356 | GFP_KERNEL); | |
2357 | ||
2358 | if (priv->wowlan_sram) | |
2359 | _iwl_read_targ_mem_words( | |
83ed9015 | 2360 | bus(priv), 0x800000, priv->wowlan_sram, |
c8ac61cf JB |
2361 | priv->ucode_wowlan.data.len / 4); |
2362 | } | |
2363 | #endif | |
2364 | } | |
2365 | ||
2366 | /* we'll clear ctx->vif during iwlagn_prepare_restart() */ | |
2367 | vif = ctx->vif; | |
2368 | ||
57210f7c | 2369 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2370 | |
2371 | device_set_wakeup_enable(priv->bus->dev, false); | |
2372 | ||
2373 | iwlagn_prepare_restart(priv); | |
2374 | ||
2375 | memset((void *)&ctx->active, 0, sizeof(ctx->active)); | |
2376 | iwl_connection_init_rx_config(priv, ctx); | |
2377 | iwlagn_set_rxon_chain(priv, ctx); | |
2378 | ||
6ac2f839 | 2379 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2380 | |
2381 | ieee80211_resume_disconnect(vif); | |
2382 | ||
2383 | return 1; | |
2384 | } | |
26293133 | 2385 | #endif |
c8ac61cf | 2386 | |
2dedbf58 | 2387 | static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
b481de9c | 2388 | { |
c79dd5b5 | 2389 | struct iwl_priv *priv = hw->priv; |
b481de9c | 2390 | |
e1623446 | 2391 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
b481de9c | 2392 | |
e1623446 | 2393 | IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, |
e039fa4a | 2394 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
b481de9c | 2395 | |
74bcdb33 | 2396 | if (iwlagn_tx_skb(priv, skb)) |
b481de9c ZY |
2397 | dev_kfree_skb_any(skb); |
2398 | ||
e1623446 | 2399 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
b481de9c ZY |
2400 | } |
2401 | ||
2dedbf58 JB |
2402 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
2403 | struct ieee80211_vif *vif, | |
2404 | struct ieee80211_key_conf *keyconf, | |
2405 | struct ieee80211_sta *sta, | |
2406 | u32 iv32, u16 *phase1key) | |
ab885f8c | 2407 | { |
9f58671e | 2408 | struct iwl_priv *priv = hw->priv; |
ab885f8c | 2409 | |
5a3d9882 | 2410 | iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); |
ab885f8c EG |
2411 | } |
2412 | ||
2dedbf58 JB |
2413 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2414 | struct ieee80211_vif *vif, | |
2415 | struct ieee80211_sta *sta, | |
2416 | struct ieee80211_key_conf *key) | |
b481de9c | 2417 | { |
c79dd5b5 | 2418 | struct iwl_priv *priv = hw->priv; |
a194e324 | 2419 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
c10afb6e | 2420 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
42986796 | 2421 | int ret; |
42986796 | 2422 | bool is_default_wep_key = false; |
b481de9c | 2423 | |
e1623446 | 2424 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c | 2425 | |
9d143e9a | 2426 | if (iwlagn_mod_params.sw_crypto) { |
e1623446 | 2427 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
b481de9c ZY |
2428 | return -EOPNOTSUPP; |
2429 | } | |
b481de9c | 2430 | |
274102a8 | 2431 | /* |
5a3d9882 JB |
2432 | * We could program these keys into the hardware as well, but we |
2433 | * don't expect much multicast traffic in IBSS and having keys | |
2434 | * for more stations is probably more useful. | |
2435 | * | |
2436 | * Mark key TX-only and return 0. | |
274102a8 JB |
2437 | */ |
2438 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
5a3d9882 JB |
2439 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
2440 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2441 | return 0; | |
2442 | } | |
274102a8 | 2443 | |
5a3d9882 JB |
2444 | /* If they key was TX-only, accept deletion */ |
2445 | if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) | |
2446 | return 0; | |
b481de9c | 2447 | |
6ac2f839 | 2448 | mutex_lock(&priv->shrd->mutex); |
2a421b91 | 2449 | iwl_scan_cancel_timeout(priv, 100); |
6974e363 | 2450 | |
5a3d9882 JB |
2451 | BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); |
2452 | ||
a90178fa JB |
2453 | /* |
2454 | * If we are getting WEP group key and we didn't receive any key mapping | |
6974e363 EG |
2455 | * so far, we are in legacy wep mode (group key only), otherwise we are |
2456 | * in 1X mode. | |
a90178fa JB |
2457 | * In legacy wep mode, we use another host command to the uCode. |
2458 | */ | |
97359d12 | 2459 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
5a3d9882 | 2460 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { |
6974e363 | 2461 | if (cmd == SET_KEY) |
c10afb6e | 2462 | is_default_wep_key = !ctx->key_mapping_keys; |
6974e363 | 2463 | else |
ccc038ab | 2464 | is_default_wep_key = |
5a3d9882 | 2465 | key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; |
6974e363 | 2466 | } |
052c4b9f | 2467 | |
5a3d9882 | 2468 | |
b481de9c | 2469 | switch (cmd) { |
deb09c43 | 2470 | case SET_KEY: |
5a3d9882 | 2471 | if (is_default_wep_key) { |
2995bafa | 2472 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
5a3d9882 JB |
2473 | break; |
2474 | } | |
2475 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); | |
2476 | if (ret) { | |
2477 | /* | |
2478 | * can't add key for RX, but we don't need it | |
2479 | * in the device for TX so still return 0 | |
2480 | */ | |
2481 | ret = 0; | |
2482 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2483 | } | |
deb09c43 | 2484 | |
e1623446 | 2485 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
b481de9c ZY |
2486 | break; |
2487 | case DISABLE_KEY: | |
6974e363 | 2488 | if (is_default_wep_key) |
c10afb6e | 2489 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
deb09c43 | 2490 | else |
5a3d9882 | 2491 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta); |
deb09c43 | 2492 | |
e1623446 | 2493 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
b481de9c ZY |
2494 | break; |
2495 | default: | |
deb09c43 | 2496 | ret = -EINVAL; |
b481de9c ZY |
2497 | } |
2498 | ||
6ac2f839 | 2499 | mutex_unlock(&priv->shrd->mutex); |
e1623446 | 2500 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c | 2501 | |
deb09c43 | 2502 | return ret; |
b481de9c ZY |
2503 | } |
2504 | ||
2dedbf58 JB |
2505 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
2506 | struct ieee80211_vif *vif, | |
2507 | enum ieee80211_ampdu_mlme_action action, | |
2508 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
2509 | u8 buf_size) | |
d783b061 TW |
2510 | { |
2511 | struct iwl_priv *priv = hw->priv; | |
4620fefa | 2512 | int ret = -EINVAL; |
7b090687 | 2513 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
ba562f71 | 2514 | struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); |
d783b061 | 2515 | |
e1623446 | 2516 | IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", |
e174961c | 2517 | sta->addr, tid); |
d783b061 | 2518 | |
88950758 | 2519 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
d783b061 TW |
2520 | return -EACCES; |
2521 | ||
6ac2f839 | 2522 | mutex_lock(&priv->shrd->mutex); |
4620fefa | 2523 | |
d783b061 TW |
2524 | switch (action) { |
2525 | case IEEE80211_AMPDU_RX_START: | |
e1623446 | 2526 | IWL_DEBUG_HT(priv, "start Rx\n"); |
4620fefa JB |
2527 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
2528 | break; | |
d783b061 | 2529 | case IEEE80211_AMPDU_RX_STOP: |
e1623446 | 2530 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
619753ff | 2531 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
63013ae3 | 2532 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa JB |
2533 | ret = 0; |
2534 | break; | |
d783b061 | 2535 | case IEEE80211_AMPDU_TX_START: |
e1623446 | 2536 | IWL_DEBUG_HT(priv, "start Tx\n"); |
619753ff | 2537 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
d5a0ffa3 | 2538 | if (ret == 0) { |
898ed67b WYG |
2539 | priv->agg_tids_count++; |
2540 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2541 | priv->agg_tids_count); | |
d5a0ffa3 | 2542 | } |
4620fefa | 2543 | break; |
d783b061 | 2544 | case IEEE80211_AMPDU_TX_STOP: |
e1623446 | 2545 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
619753ff | 2546 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
898ed67b WYG |
2547 | if ((ret == 0) && (priv->agg_tids_count > 0)) { |
2548 | priv->agg_tids_count--; | |
2549 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2550 | priv->agg_tids_count); | |
d5a0ffa3 | 2551 | } |
63013ae3 | 2552 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa | 2553 | ret = 0; |
7cb1b088 WYG |
2554 | if (priv->cfg->ht_params && |
2555 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
94597ab2 JB |
2556 | /* |
2557 | * switch off RTS/CTS if it was previously enabled | |
2558 | */ | |
94597ab2 JB |
2559 | sta_priv->lq_sta.lq.general_params.flags &= |
2560 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
7e6a5886 JB |
2561 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
2562 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
94597ab2 | 2563 | } |
4620fefa | 2564 | break; |
f0527971 | 2565 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
c8823ec1 JB |
2566 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
2567 | ||
c91bd124 | 2568 | iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta), |
ba562f71 | 2569 | tid, buf_size); |
c8823ec1 | 2570 | |
7b090687 JB |
2571 | /* |
2572 | * If the limit is 0, then it wasn't initialised yet, | |
2573 | * use the default. We can do that since we take the | |
2574 | * minimum below, and we don't want to go above our | |
2575 | * default due to hardware restrictions. | |
2576 | */ | |
2577 | if (sta_priv->max_agg_bufsize == 0) | |
2578 | sta_priv->max_agg_bufsize = | |
2579 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; | |
2580 | ||
2581 | /* | |
2582 | * Even though in theory the peer could have different | |
2583 | * aggregation reorder buffer sizes for different sessions, | |
2584 | * our ucode doesn't allow for that and has a global limit | |
2585 | * for each station. Therefore, use the minimum of all the | |
2586 | * aggregation sessions and our default value. | |
2587 | */ | |
2588 | sta_priv->max_agg_bufsize = | |
2589 | min(sta_priv->max_agg_bufsize, buf_size); | |
2590 | ||
7cb1b088 WYG |
2591 | if (priv->cfg->ht_params && |
2592 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
cfecc6b4 WYG |
2593 | /* |
2594 | * switch to RTS/CTS if it is the prefer protection | |
2595 | * method for HT traffic | |
2596 | */ | |
94597ab2 JB |
2597 | |
2598 | sta_priv->lq_sta.lq.general_params.flags |= | |
2599 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
cfecc6b4 | 2600 | } |
7b090687 JB |
2601 | |
2602 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = | |
2603 | sta_priv->max_agg_bufsize; | |
2604 | ||
2605 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), | |
2606 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
5bc9890f WYG |
2607 | |
2608 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", | |
2609 | sta->addr, tid); | |
cfecc6b4 | 2610 | ret = 0; |
d783b061 TW |
2611 | break; |
2612 | } | |
6ac2f839 | 2613 | mutex_unlock(&priv->shrd->mutex); |
4620fefa JB |
2614 | |
2615 | return ret; | |
d783b061 | 2616 | } |
9f58671e | 2617 | |
2dedbf58 JB |
2618 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
2619 | struct ieee80211_vif *vif, | |
2620 | struct ieee80211_sta *sta) | |
fe6b23dd RC |
2621 | { |
2622 | struct iwl_priv *priv = hw->priv; | |
2623 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; | |
a194e324 | 2624 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
eafdfbd3 | 2625 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
fe6b23dd RC |
2626 | int ret; |
2627 | u8 sta_id; | |
2628 | ||
2629 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", | |
2630 | sta->addr); | |
6ac2f839 | 2631 | mutex_lock(&priv->shrd->mutex); |
da5ae1cf RC |
2632 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
2633 | sta->addr); | |
2634 | sta_priv->common.sta_id = IWL_INVALID_STATION; | |
fe6b23dd RC |
2635 | |
2636 | atomic_set(&sta_priv->pending_frames, 0); | |
2637 | if (vif->type == NL80211_IFTYPE_AP) | |
2638 | sta_priv->client = true; | |
2639 | ||
a194e324 | 2640 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
238d781d | 2641 | is_ap, sta, &sta_id); |
fe6b23dd RC |
2642 | if (ret) { |
2643 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", | |
2644 | sta->addr, ret); | |
2645 | /* Should we return success if return code is EEXIST ? */ | |
6ac2f839 | 2646 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd RC |
2647 | return ret; |
2648 | } | |
2649 | ||
fd1af15d JB |
2650 | sta_priv->common.sta_id = sta_id; |
2651 | ||
fe6b23dd | 2652 | /* Initialize rate scaling */ |
91dd6c27 | 2653 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
fe6b23dd RC |
2654 | sta->addr); |
2655 | iwl_rs_rate_init(priv, sta, sta_id); | |
6ac2f839 | 2656 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd | 2657 | |
fd1af15d | 2658 | return 0; |
fe6b23dd RC |
2659 | } |
2660 | ||
2dedbf58 JB |
2661 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
2662 | struct ieee80211_channel_switch *ch_switch) | |
79d07325 WYG |
2663 | { |
2664 | struct iwl_priv *priv = hw->priv; | |
2665 | const struct iwl_channel_info *ch_info; | |
2666 | struct ieee80211_conf *conf = &hw->conf; | |
aa2dc6b5 | 2667 | struct ieee80211_channel *channel = ch_switch->channel; |
79d07325 | 2668 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
246ed355 JB |
2669 | /* |
2670 | * MULTI-FIXME | |
2671 | * When we add support for multiple interfaces, we need to | |
2672 | * revisit this. The channel switch command in the device | |
2673 | * only affects the BSS context, but what does that really | |
2674 | * mean? And what if we get a CSA on the second interface? | |
2675 | * This needs a lot of work. | |
2676 | */ | |
2677 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
79d07325 | 2678 | u16 ch; |
79d07325 WYG |
2679 | |
2680 | IWL_DEBUG_MAC80211(priv, "enter\n"); | |
2681 | ||
6ac2f839 | 2682 | mutex_lock(&priv->shrd->mutex); |
dc1a4068 | 2683 | |
845a9c0d | 2684 | if (iwl_is_rfkill(priv->shrd)) |
dc1a4068 | 2685 | goto out; |
79d07325 | 2686 | |
63013ae3 EG |
2687 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
2688 | test_bit(STATUS_SCANNING, &priv->shrd->status) || | |
2689 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) | |
dc1a4068 | 2690 | goto out; |
79d07325 | 2691 | |
246ed355 | 2692 | if (!iwl_is_associated_ctx(ctx)) |
dc1a4068 | 2693 | goto out; |
79d07325 | 2694 | |
90c300cb | 2695 | if (!priv->cfg->lib->set_channel_switch) |
f973f87e | 2696 | goto out; |
79d07325 | 2697 | |
f973f87e SG |
2698 | ch = channel->hw_value; |
2699 | if (le16_to_cpu(ctx->active.channel) == ch) | |
2700 | goto out; | |
2701 | ||
2702 | ch_info = iwl_get_channel_info(priv, channel->band, ch); | |
2703 | if (!is_channel_valid(ch_info)) { | |
2704 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); | |
2705 | goto out; | |
2706 | } | |
79d07325 | 2707 | |
10b15e6f | 2708 | spin_lock_irq(&priv->shrd->lock); |
79d07325 | 2709 | |
f973f87e | 2710 | priv->current_ht_config.smps = conf->smps_mode; |
79d07325 | 2711 | |
f973f87e SG |
2712 | /* Configure HT40 channels */ |
2713 | ctx->ht.enabled = conf_is_ht(conf); | |
2714 | if (ctx->ht.enabled) { | |
2715 | if (conf_is_ht40_minus(conf)) { | |
2716 | ctx->ht.extension_chan_offset = | |
2717 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; | |
2718 | ctx->ht.is_40mhz = true; | |
2719 | } else if (conf_is_ht40_plus(conf)) { | |
2720 | ctx->ht.extension_chan_offset = | |
2721 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; | |
2722 | ctx->ht.is_40mhz = true; | |
2723 | } else { | |
2724 | ctx->ht.extension_chan_offset = | |
2725 | IEEE80211_HT_PARAM_CHA_SEC_NONE; | |
2726 | ctx->ht.is_40mhz = false; | |
79d07325 | 2727 | } |
f973f87e SG |
2728 | } else |
2729 | ctx->ht.is_40mhz = false; | |
2730 | ||
2731 | if ((le16_to_cpu(ctx->staging.channel) != ch)) | |
2732 | ctx->staging.flags = 0; | |
2733 | ||
2734 | iwl_set_rxon_channel(priv, channel, ctx); | |
2735 | iwl_set_rxon_ht(priv, ht_conf); | |
2736 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); | |
2737 | ||
10b15e6f | 2738 | spin_unlock_irq(&priv->shrd->lock); |
f973f87e SG |
2739 | |
2740 | iwl_set_rate(priv); | |
2741 | /* | |
2742 | * at this point, staging_rxon has the | |
2743 | * configuration for channel switch | |
2744 | */ | |
63013ae3 | 2745 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e | 2746 | priv->switch_channel = cpu_to_le16(ch); |
90c300cb | 2747 | if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { |
63013ae3 | 2748 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e SG |
2749 | priv->switch_channel = 0; |
2750 | ieee80211_chswitch_done(ctx->vif, false); | |
79d07325 | 2751 | } |
f973f87e | 2752 | |
79d07325 | 2753 | out: |
6ac2f839 | 2754 | mutex_unlock(&priv->shrd->mutex); |
79d07325 WYG |
2755 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2756 | } | |
2757 | ||
2dedbf58 JB |
2758 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
2759 | unsigned int changed_flags, | |
2760 | unsigned int *total_flags, | |
2761 | u64 multicast) | |
8b8ab9d5 JB |
2762 | { |
2763 | struct iwl_priv *priv = hw->priv; | |
2764 | __le32 filter_or = 0, filter_nand = 0; | |
246ed355 | 2765 | struct iwl_rxon_context *ctx; |
8b8ab9d5 JB |
2766 | |
2767 | #define CHK(test, flag) do { \ | |
2768 | if (*total_flags & (test)) \ | |
2769 | filter_or |= (flag); \ | |
2770 | else \ | |
2771 | filter_nand |= (flag); \ | |
2772 | } while (0) | |
2773 | ||
2774 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", | |
2775 | changed_flags, *total_flags); | |
2776 | ||
2777 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); | |
bdb84fec JB |
2778 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
2779 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); | |
8b8ab9d5 JB |
2780 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
2781 | ||
2782 | #undef CHK | |
2783 | ||
6ac2f839 | 2784 | mutex_lock(&priv->shrd->mutex); |
8b8ab9d5 | 2785 | |
246ed355 JB |
2786 | for_each_context(priv, ctx) { |
2787 | ctx->staging.filter_flags &= ~filter_nand; | |
2788 | ctx->staging.filter_flags |= filter_or; | |
749ff4ef SG |
2789 | |
2790 | /* | |
2791 | * Not committing directly because hardware can perform a scan, | |
2792 | * but we'll eventually commit the filter flags change anyway. | |
2793 | */ | |
246ed355 | 2794 | } |
8b8ab9d5 | 2795 | |
6ac2f839 | 2796 | mutex_unlock(&priv->shrd->mutex); |
8b8ab9d5 JB |
2797 | |
2798 | /* | |
2799 | * Receiving all multicast frames is always enabled by the | |
2800 | * default flags setup in iwl_connection_init_rx_config() | |
2801 | * since we currently do not support programming multicast | |
2802 | * filters into the device. | |
2803 | */ | |
2804 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | | |
2805 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; | |
2806 | } | |
2807 | ||
2dedbf58 | 2808 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
716c74b0 WYG |
2809 | { |
2810 | struct iwl_priv *priv = hw->priv; | |
2811 | ||
6ac2f839 | 2812 | mutex_lock(&priv->shrd->mutex); |
716c74b0 WYG |
2813 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
2814 | ||
63013ae3 | 2815 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
716c74b0 WYG |
2816 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
2817 | goto done; | |
2818 | } | |
845a9c0d | 2819 | if (iwl_is_rfkill(priv->shrd)) { |
716c74b0 WYG |
2820 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
2821 | goto done; | |
2822 | } | |
2823 | ||
2824 | /* | |
2825 | * mac80211 will not push any more frames for transmit | |
2826 | * until the flush is completed | |
2827 | */ | |
2828 | if (drop) { | |
2829 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); | |
c68744fb | 2830 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
716c74b0 WYG |
2831 | IWL_ERR(priv, "flush request fail\n"); |
2832 | goto done; | |
2833 | } | |
2834 | } | |
2835 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); | |
5f178cd2 | 2836 | iwl_trans_wait_tx_queue_empty(trans(priv)); |
716c74b0 | 2837 | done: |
6ac2f839 | 2838 | mutex_unlock(&priv->shrd->mutex); |
716c74b0 WYG |
2839 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2840 | } | |
2841 | ||
c6baf7fb | 2842 | void iwlagn_disable_roc(struct iwl_priv *priv) |
9b9190d9 JB |
2843 | { |
2844 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; | |
9b9190d9 | 2845 | |
6ac2f839 | 2846 | lockdep_assert_held(&priv->shrd->mutex); |
9b9190d9 | 2847 | |
c6baf7fb | 2848 | if (!priv->hw_roc_setup) |
9b9190d9 JB |
2849 | return; |
2850 | ||
c6baf7fb | 2851 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
9b9190d9 | 2852 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
9b9190d9 | 2853 | |
898ed67b | 2854 | priv->hw_roc_channel = NULL; |
9b9190d9 | 2855 | |
c6baf7fb JB |
2856 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
2857 | ||
805a3b81 | 2858 | iwlagn_commit_rxon(priv, ctx); |
9b9190d9 JB |
2859 | |
2860 | ctx->is_active = false; | |
c6baf7fb | 2861 | priv->hw_roc_setup = false; |
9b9190d9 JB |
2862 | } |
2863 | ||
c6baf7fb | 2864 | static void iwlagn_disable_roc_work(struct work_struct *work) |
9b9190d9 JB |
2865 | { |
2866 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
c6baf7fb | 2867 | hw_roc_disable_work.work); |
9b9190d9 | 2868 | |
6ac2f839 | 2869 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2870 | iwlagn_disable_roc(priv); |
6ac2f839 | 2871 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2872 | } |
2873 | ||
2874 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, | |
2875 | struct ieee80211_channel *channel, | |
2876 | enum nl80211_channel_type channel_type, | |
2877 | int duration) | |
2878 | { | |
2879 | struct iwl_priv *priv = hw->priv; | |
c6baf7fb | 2880 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
9b9190d9 JB |
2881 | int err = 0; |
2882 | ||
2883 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) | |
2884 | return -EOPNOTSUPP; | |
2885 | ||
c6baf7fb | 2886 | if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) |
9b9190d9 JB |
2887 | return -EOPNOTSUPP; |
2888 | ||
6ac2f839 | 2889 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2890 | |
c6baf7fb JB |
2891 | /* |
2892 | * TODO: Remove this hack! Firmware needs to be updated | |
2893 | * to allow longer off-channel periods in scanning for | |
2894 | * this use case, based on a flag (and we'll need an API | |
2895 | * flag in the firmware when it has that). | |
2896 | */ | |
2897 | if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && duration > 80) | |
2898 | duration = 80; | |
2899 | ||
63013ae3 | 2900 | if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { |
9b9190d9 JB |
2901 | err = -EBUSY; |
2902 | goto out; | |
2903 | } | |
2904 | ||
898ed67b WYG |
2905 | priv->hw_roc_channel = channel; |
2906 | priv->hw_roc_chantype = channel_type; | |
c6baf7fb JB |
2907 | priv->hw_roc_duration = duration; |
2908 | cancel_delayed_work(&priv->hw_roc_disable_work); | |
2909 | ||
2910 | if (!ctx->is_active) { | |
2911 | ctx->is_active = true; | |
2912 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; | |
2913 | memcpy(ctx->staging.node_addr, | |
2914 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2915 | ETH_ALEN); | |
2916 | memcpy(ctx->staging.bssid_addr, | |
2917 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2918 | ETH_ALEN); | |
2919 | err = iwlagn_commit_rxon(priv, ctx); | |
2920 | if (err) | |
2921 | goto out; | |
2922 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | | |
2923 | RXON_FILTER_PROMISC_MSK | | |
2924 | RXON_FILTER_CTL2HOST_MSK; | |
2925 | ||
2926 | err = iwlagn_commit_rxon(priv, ctx); | |
2927 | if (err) { | |
2928 | iwlagn_disable_roc(priv); | |
2929 | goto out; | |
2930 | } | |
2931 | priv->hw_roc_setup = true; | |
2932 | } | |
9b9190d9 | 2933 | |
c6baf7fb JB |
2934 | err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); |
2935 | if (err) | |
2936 | iwlagn_disable_roc(priv); | |
9b9190d9 JB |
2937 | |
2938 | out: | |
6ac2f839 | 2939 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2940 | |
2941 | return err; | |
2942 | } | |
2943 | ||
2944 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
2945 | { | |
2946 | struct iwl_priv *priv = hw->priv; | |
2947 | ||
2948 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) | |
2949 | return -EOPNOTSUPP; | |
2950 | ||
6ac2f839 | 2951 | mutex_lock(&priv->shrd->mutex); |
c6baf7fb | 2952 | iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); |
9b9190d9 | 2953 | iwlagn_disable_roc(priv); |
6ac2f839 | 2954 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2955 | |
2956 | return 0; | |
2957 | } | |
2958 | ||
debcf734 JB |
2959 | static int iwl_mac_tx_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
2960 | const u8 *bssid, enum ieee80211_tx_sync_type type) | |
2961 | { | |
2962 | struct iwl_priv *priv = hw->priv; | |
2963 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; | |
2964 | struct iwl_rxon_context *ctx = vif_priv->ctx; | |
2965 | int ret; | |
2966 | u8 sta_id; | |
2967 | ||
2968 | mutex_lock(&priv->shrd->mutex); | |
2969 | ||
2970 | if (iwl_is_associated_ctx(ctx)) { | |
2971 | ret = 0; | |
2972 | goto out; | |
2973 | } | |
2974 | ||
2975 | if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { | |
2976 | ret = -EBUSY; | |
2977 | goto out; | |
2978 | } | |
2979 | ||
2980 | ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); | |
2981 | if (ret) | |
2982 | goto out; | |
2983 | ||
2984 | if (WARN_ON(sta_id != ctx->ap_sta_id)) { | |
2985 | ret = -EIO; | |
2986 | goto out_remove_sta; | |
2987 | } | |
2988 | ||
2989 | memcpy(ctx->bssid, bssid, ETH_ALEN); | |
2990 | ctx->preauth_bssid = true; | |
2991 | ||
2992 | ret = iwlagn_commit_rxon(priv, ctx); | |
2993 | ||
2994 | if (ret == 0) | |
2995 | goto out; | |
2996 | ||
2997 | out_remove_sta: | |
2998 | iwl_remove_station(priv, sta_id, bssid); | |
2999 | out: | |
3000 | mutex_unlock(&priv->shrd->mutex); | |
3001 | return ret; | |
3002 | } | |
3003 | ||
3004 | static void iwl_mac_finish_tx_sync(struct ieee80211_hw *hw, | |
3005 | struct ieee80211_vif *vif, | |
3006 | const u8 *bssid, | |
3007 | enum ieee80211_tx_sync_type type) | |
3008 | { | |
3009 | struct iwl_priv *priv = hw->priv; | |
3010 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; | |
3011 | struct iwl_rxon_context *ctx = vif_priv->ctx; | |
3012 | ||
3013 | mutex_lock(&priv->shrd->mutex); | |
3014 | ||
3015 | if (iwl_is_associated_ctx(ctx)) | |
3016 | goto out; | |
3017 | ||
3018 | iwl_remove_station(priv, ctx->ap_sta_id, bssid); | |
3019 | ctx->preauth_bssid = false; | |
3020 | /* no need to commit */ | |
3021 | out: | |
3022 | mutex_unlock(&priv->shrd->mutex); | |
3023 | } | |
3024 | ||
b481de9c ZY |
3025 | /***************************************************************************** |
3026 | * | |
3027 | * driver setup and teardown | |
3028 | * | |
3029 | *****************************************************************************/ | |
3030 | ||
4e39317d | 3031 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 3032 | { |
74e28e44 | 3033 | priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c ZY |
3034 | |
3035 | init_waitqueue_head(&priv->wait_command_queue); | |
3036 | ||
5b9f8cd3 | 3037 | INIT_WORK(&priv->restart, iwl_bg_restart); |
5b9f8cd3 | 3038 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
16e727e8 | 3039 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); |
65550636 | 3040 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
bee008b7 | 3041 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
fbba9410 | 3042 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
c6baf7fb JB |
3043 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
3044 | iwlagn_disable_roc_work); | |
2a421b91 | 3045 | |
2a421b91 | 3046 | iwl_setup_scan_deferred_work(priv); |
bb8c093b | 3047 | |
6bd4dba3 EG |
3048 | if (priv->cfg->lib->bt_setup_deferred_work) |
3049 | priv->cfg->lib->bt_setup_deferred_work(priv); | |
4e39317d EG |
3050 | |
3051 | init_timer(&priv->statistics_periodic); | |
3052 | priv->statistics_periodic.data = (unsigned long)priv; | |
5b9f8cd3 | 3053 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
b481de9c | 3054 | |
a9e1cb6a WYG |
3055 | init_timer(&priv->ucode_trace); |
3056 | priv->ucode_trace.data = (unsigned long)priv; | |
3057 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
3058 | ||
22de94de SG |
3059 | init_timer(&priv->watchdog); |
3060 | priv->watchdog.data = (unsigned long)priv; | |
3061 | priv->watchdog.function = iwl_bg_watchdog; | |
b481de9c ZY |
3062 | } |
3063 | ||
4e39317d | 3064 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
b481de9c | 3065 | { |
90c300cb WYG |
3066 | if (priv->cfg->lib->cancel_deferred_work) |
3067 | priv->cfg->lib->cancel_deferred_work(priv); | |
b481de9c | 3068 | |
815e629b | 3069 | cancel_work_sync(&priv->run_time_calib_work); |
b481de9c | 3070 | cancel_work_sync(&priv->beacon_update); |
e7e16b90 SG |
3071 | |
3072 | iwl_cancel_scan_deferred_work(priv); | |
3073 | ||
bee008b7 | 3074 | cancel_work_sync(&priv->bt_full_concurrency); |
fbba9410 | 3075 | cancel_work_sync(&priv->bt_runtime_config); |
c6baf7fb | 3076 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
e7e16b90 | 3077 | |
4e39317d | 3078 | del_timer_sync(&priv->statistics_periodic); |
a9e1cb6a | 3079 | del_timer_sync(&priv->ucode_trace); |
b481de9c ZY |
3080 | } |
3081 | ||
89f186a8 RC |
3082 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
3083 | struct ieee80211_rate *rates) | |
3084 | { | |
3085 | int i; | |
3086 | ||
3087 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { | |
3088 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
3089 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
3090 | rates[i].hw_value_short = i; | |
3091 | rates[i].flags = 0; | |
3092 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
3093 | /* | |
3094 | * If CCK != 1M then set short preamble rate flag. | |
3095 | */ | |
3096 | rates[i].flags |= | |
3097 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
3098 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
3099 | } | |
3100 | } | |
3101 | } | |
3102 | ||
3103 | static int iwl_init_drv(struct iwl_priv *priv) | |
3104 | { | |
3105 | int ret; | |
3106 | ||
f39c95e8 | 3107 | spin_lock_init(&priv->shrd->sta_lock); |
89f186a8 | 3108 | |
6ac2f839 | 3109 | mutex_init(&priv->shrd->mutex); |
89f186a8 | 3110 | |
89f186a8 RC |
3111 | priv->ieee_channels = NULL; |
3112 | priv->ieee_rates = NULL; | |
3113 | priv->band = IEEE80211_BAND_2GHZ; | |
3114 | ||
3115 | priv->iw_mode = NL80211_IFTYPE_STATION; | |
ba37a3d0 | 3116 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
a13d276f | 3117 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
898ed67b | 3118 | priv->agg_tids_count = 0; |
89f186a8 | 3119 | |
8a472da4 WYG |
3120 | /* initialize force reset */ |
3121 | priv->force_reset[IWL_RF_RESET].reset_duration = | |
3122 | IWL_DELAY_NEXT_FORCE_RF_RESET; | |
3123 | priv->force_reset[IWL_FW_RESET].reset_duration = | |
3124 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; | |
89f186a8 | 3125 | |
410f2bb3 SG |
3126 | priv->rx_statistics_jiffies = jiffies; |
3127 | ||
89f186a8 | 3128 | /* Choose which receivers/antennas to use */ |
e3f10cea | 3129 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
89f186a8 RC |
3130 | |
3131 | iwl_init_scan_params(priv); | |
3132 | ||
22bf59a0 | 3133 | /* init bt coex */ |
7cb1b088 WYG |
3134 | if (priv->cfg->bt_params && |
3135 | priv->cfg->bt_params->advanced_bt_coexist) { | |
b6e116e8 WYG |
3136 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
3137 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
3138 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
22bf59a0 WYG |
3139 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
3140 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
3141 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
22bf59a0 WYG |
3142 | } |
3143 | ||
89f186a8 RC |
3144 | ret = iwl_init_channel_map(priv); |
3145 | if (ret) { | |
3146 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); | |
3147 | goto err; | |
3148 | } | |
3149 | ||
b39488a9 | 3150 | ret = iwl_init_geos(priv); |
89f186a8 RC |
3151 | if (ret) { |
3152 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
3153 | goto err_free_channel_map; | |
3154 | } | |
3155 | iwl_init_hw_rates(priv, priv->ieee_rates); | |
3156 | ||
3157 | return 0; | |
3158 | ||
3159 | err_free_channel_map: | |
3160 | iwl_free_channel_map(priv); | |
3161 | err: | |
3162 | return ret; | |
3163 | } | |
3164 | ||
3165 | static void iwl_uninit_drv(struct iwl_priv *priv) | |
3166 | { | |
3167 | iwl_calib_free_results(priv); | |
b39488a9 | 3168 | iwl_free_geos(priv); |
89f186a8 | 3169 | iwl_free_channel_map(priv); |
dfa2bdba EG |
3170 | if (priv->tx_cmd_pool) |
3171 | kmem_cache_destroy(priv->tx_cmd_pool); | |
811ecc99 | 3172 | kfree(priv->scan_cmd); |
4ce7cc2b | 3173 | kfree(priv->beacon_cmd); |
c8ac61cf JB |
3174 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
3175 | kfree(priv->wowlan_sram); | |
3176 | #endif | |
89f186a8 RC |
3177 | } |
3178 | ||
3a3b14c2 | 3179 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
207ecc5e MV |
3180 | enum ieee80211_rssi_event rssi_event) |
3181 | { | |
3182 | struct iwl_priv *priv = hw->priv; | |
3183 | ||
6ac2f839 | 3184 | mutex_lock(&priv->shrd->mutex); |
207ecc5e MV |
3185 | |
3186 | if (priv->cfg->bt_params && | |
3187 | priv->cfg->bt_params->advanced_bt_coexist) { | |
3188 | if (rssi_event == RSSI_EVENT_LOW) | |
3189 | priv->bt_enable_pspoll = true; | |
3190 | else if (rssi_event == RSSI_EVENT_HIGH) | |
3191 | priv->bt_enable_pspoll = false; | |
3192 | ||
3193 | iwlagn_send_advance_bt_config(priv); | |
3194 | } else { | |
3195 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," | |
3196 | "ignoring RSSI callback\n"); | |
3197 | } | |
3198 | ||
6ac2f839 | 3199 | mutex_unlock(&priv->shrd->mutex); |
207ecc5e MV |
3200 | } |
3201 | ||
dc21b545 | 3202 | struct ieee80211_ops iwlagn_hw_ops = { |
2295c66b JB |
3203 | .tx = iwlagn_mac_tx, |
3204 | .start = iwlagn_mac_start, | |
3205 | .stop = iwlagn_mac_stop, | |
26293133 | 3206 | #ifdef CONFIG_PM |
c8ac61cf JB |
3207 | .suspend = iwlagn_mac_suspend, |
3208 | .resume = iwlagn_mac_resume, | |
26293133 | 3209 | #endif |
5b9f8cd3 EG |
3210 | .add_interface = iwl_mac_add_interface, |
3211 | .remove_interface = iwl_mac_remove_interface, | |
d4daaea6 | 3212 | .change_interface = iwl_mac_change_interface, |
2295c66b | 3213 | .config = iwlagn_mac_config, |
8b8ab9d5 | 3214 | .configure_filter = iwlagn_configure_filter, |
2295c66b JB |
3215 | .set_key = iwlagn_mac_set_key, |
3216 | .update_tkip_key = iwlagn_mac_update_tkip_key, | |
c8ac61cf | 3217 | .set_rekey_data = iwlagn_mac_set_rekey_data, |
5b9f8cd3 | 3218 | .conf_tx = iwl_mac_conf_tx, |
2295c66b JB |
3219 | .bss_info_changed = iwlagn_bss_info_changed, |
3220 | .ampdu_action = iwlagn_mac_ampdu_action, | |
6ab10ff8 | 3221 | .hw_scan = iwl_mac_hw_scan, |
2295c66b | 3222 | .sta_notify = iwlagn_mac_sta_notify, |
fe6b23dd RC |
3223 | .sta_add = iwlagn_mac_sta_add, |
3224 | .sta_remove = iwl_mac_sta_remove, | |
2295c66b JB |
3225 | .channel_switch = iwlagn_mac_channel_switch, |
3226 | .flush = iwlagn_mac_flush, | |
a85d7cca | 3227 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
9b9190d9 JB |
3228 | .remain_on_channel = iwl_mac_remain_on_channel, |
3229 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, | |
207ecc5e | 3230 | .rssi_callback = iwl_mac_rssi_callback, |
4613e72d | 3231 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
eb64dca0 | 3232 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
debcf734 JB |
3233 | .tx_sync = iwl_mac_tx_sync, |
3234 | .finish_tx_sync = iwl_mac_finish_tx_sync, | |
b481de9c ZY |
3235 | }; |
3236 | ||
e98a1302 | 3237 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
3867fe04 | 3238 | { |
83ed9015 | 3239 | return iwl_read32(bus(priv), CSR_HW_REV); |
3867fe04 WYG |
3240 | } |
3241 | ||
dda61a44 EG |
3242 | /* Size of one Rx buffer in host DRAM */ |
3243 | #define IWL_RX_BUF_SIZE_4K (4 * 1024) | |
3244 | #define IWL_RX_BUF_SIZE_8K (8 * 1024) | |
3245 | ||
07d4f1ad WYG |
3246 | static int iwl_set_hw_params(struct iwl_priv *priv) |
3247 | { | |
9d143e9a | 3248 | if (iwlagn_mod_params.amsdu_size_8K) |
d6189124 EG |
3249 | hw_params(priv).rx_page_order = |
3250 | get_order(IWL_RX_BUF_SIZE_8K); | |
07d4f1ad | 3251 | else |
d6189124 EG |
3252 | hw_params(priv).rx_page_order = |
3253 | get_order(IWL_RX_BUF_SIZE_4K); | |
07d4f1ad | 3254 | |
9d143e9a | 3255 | if (iwlagn_mod_params.disable_11n) |
88950758 | 3256 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad | 3257 | |
fd656935 EG |
3258 | hw_params(priv).num_ampdu_queues = |
3259 | priv->cfg->base_params->num_of_ampdu_queues; | |
3260 | hw_params(priv).shadow_reg_enable = | |
3261 | priv->cfg->base_params->shadow_reg_enable; | |
f22be624 EG |
3262 | hw_params(priv).sku = priv->cfg->sku; |
3263 | hw_params(priv).wd_timeout = priv->cfg->base_params->wd_timeout; | |
fd656935 | 3264 | |
07d4f1ad | 3265 | /* Device-specific setup */ |
90c300cb | 3266 | return priv->cfg->lib->set_hw_params(priv); |
07d4f1ad WYG |
3267 | } |
3268 | ||
119ea186 WYG |
3269 | /* This function both allocates and initializes hw and priv. */ |
3270 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) | |
3271 | { | |
3272 | struct iwl_priv *priv; | |
3273 | /* mac80211 allocates memory for this device instance, including | |
3274 | * space for this driver's private structure */ | |
3275 | struct ieee80211_hw *hw; | |
3276 | ||
3277 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); | |
3278 | if (hw == NULL) { | |
3279 | pr_err("%s: Can not allocate network device\n", | |
3280 | cfg->name); | |
3281 | goto out; | |
3282 | } | |
3283 | ||
3284 | priv = hw->priv; | |
3285 | priv->hw = hw; | |
3286 | ||
3287 | out: | |
3288 | return hw; | |
3289 | } | |
3290 | ||
e6bb4c9c EG |
3291 | int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, |
3292 | struct iwl_cfg *cfg) | |
b2ea345e WYG |
3293 | { |
3294 | int err = 0; | |
3295 | struct iwl_priv *priv; | |
3296 | struct ieee80211_hw *hw; | |
084dd791 | 3297 | u16 num_mac; |
b2ea345e WYG |
3298 | u32 hw_rev; |
3299 | ||
3300 | /************************ | |
3301 | * 1. Allocating HW data | |
3302 | ************************/ | |
b2ea345e WYG |
3303 | hw = iwl_alloc_all(cfg); |
3304 | if (!hw) { | |
3305 | err = -ENOMEM; | |
807caf26 EG |
3306 | goto out; |
3307 | } | |
3308 | ||
b2ea345e | 3309 | priv = hw->priv; |
d5934110 | 3310 | priv->bus = bus; |
cac988a6 EG |
3311 | priv->shrd = &priv->_shrd; |
3312 | priv->shrd->bus = bus; | |
3313 | priv->shrd->priv = priv; | |
e20d4341 | 3314 | priv->shrd->hw = hw; |
cac988a6 | 3315 | bus_set_drv_data(priv->bus, priv->shrd); |
a48709c5 | 3316 | |
e6bb4c9c EG |
3317 | priv->shrd->trans = trans_ops->alloc(priv->shrd); |
3318 | if (priv->shrd->trans == NULL) { | |
3319 | err = -ENOMEM; | |
3320 | goto out_free_traffic_mem; | |
3321 | } | |
3322 | ||
b2ea345e | 3323 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 3324 | |
d5934110 | 3325 | SET_IEEE80211_DEV(hw, priv->bus->dev); |
b481de9c | 3326 | |
e1623446 | 3327 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
82b9a121 | 3328 | priv->cfg = cfg; |
316c30d9 | 3329 | |
bee008b7 WYG |
3330 | /* is antenna coupling more than 35dB ? */ |
3331 | priv->bt_ant_couple_ok = | |
48f20d35 EG |
3332 | (iwlagn_mod_params.ant_coupling > |
3333 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? | |
3334 | true : false; | |
bee008b7 | 3335 | |
9f28ebc3 | 3336 | /* enable/disable bt channel inhibition */ |
48f20d35 | 3337 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
3338 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
3339 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 3340 | |
20594eb0 WYG |
3341 | if (iwl_alloc_traffic_mem(priv)) |
3342 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); | |
b481de9c | 3343 | |
731a29b7 | 3344 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
3345 | * we should init now |
3346 | */ | |
83ed9015 | 3347 | spin_lock_init(&bus(priv)->reg_lock); |
10b15e6f | 3348 | spin_lock_init(&priv->shrd->lock); |
4843b5a7 RC |
3349 | |
3350 | /* | |
3351 | * stop and reset the on-board processor just in case it is in a | |
3352 | * strange state ... like being left stranded by a primary kernel | |
3353 | * and this is now the kdump kernel trying to start up | |
3354 | */ | |
83ed9015 | 3355 | iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); |
4843b5a7 | 3356 | |
084dd791 EG |
3357 | /*********************** |
3358 | * 3. Read REV register | |
3359 | ***********************/ | |
e98a1302 | 3360 | hw_rev = iwl_hw_detect(priv); |
c11362c0 | 3361 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
e98a1302 | 3362 | priv->cfg->name, hw_rev); |
316c30d9 | 3363 | |
e6bb4c9c | 3364 | err = iwl_trans_request_irq(trans(priv)); |
1e89cbac | 3365 | if (err) |
e6bb4c9c | 3366 | goto out_free_trans; |
1e89cbac | 3367 | |
e6bb4c9c | 3368 | if (iwl_trans_prepare_card_hw(trans(priv))) { |
bcd4fe2f | 3369 | err = -EIO; |
086ed117 | 3370 | IWL_WARN(priv, "Failed, HW not ready\n"); |
1e89cbac | 3371 | goto out_free_trans; |
086ed117 MA |
3372 | } |
3373 | ||
91238714 TW |
3374 | /***************** |
3375 | * 4. Read EEPROM | |
3376 | *****************/ | |
316c30d9 | 3377 | /* Read the EEPROM */ |
e98a1302 | 3378 | err = iwl_eeprom_init(priv, hw_rev); |
316c30d9 | 3379 | if (err) { |
15b1687c | 3380 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
1e89cbac | 3381 | goto out_free_trans; |
316c30d9 | 3382 | } |
8614f360 TW |
3383 | err = iwl_eeprom_check_version(priv); |
3384 | if (err) | |
c8f16138 | 3385 | goto out_free_eeprom; |
8614f360 | 3386 | |
21a5b3c6 WYG |
3387 | err = iwl_eeprom_check_sku(priv); |
3388 | if (err) | |
3389 | goto out_free_eeprom; | |
3390 | ||
02883017 | 3391 | /* extract MAC Address */ |
c6fa17ed WYG |
3392 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
3393 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); | |
3394 | priv->hw->wiphy->addresses = priv->addresses; | |
3395 | priv->hw->wiphy->n_addresses = 1; | |
3396 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); | |
3397 | if (num_mac > 1) { | |
3398 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
3399 | ETH_ALEN); | |
3400 | priv->addresses[1].addr[5]++; | |
3401 | priv->hw->wiphy->n_addresses++; | |
3402 | } | |
316c30d9 AK |
3403 | |
3404 | /************************ | |
3405 | * 5. Setup HW constants | |
3406 | ************************/ | |
da154e30 | 3407 | if (iwl_set_hw_params(priv)) { |
084dd791 | 3408 | err = -ENOENT; |
15b1687c | 3409 | IWL_ERR(priv, "failed to set hw parameters\n"); |
073d3f5f | 3410 | goto out_free_eeprom; |
316c30d9 AK |
3411 | } |
3412 | ||
3413 | /******************* | |
6ba87956 | 3414 | * 6. Setup priv |
316c30d9 | 3415 | *******************/ |
b481de9c | 3416 | |
6ba87956 | 3417 | err = iwl_init_drv(priv); |
bf85ea4f | 3418 | if (err) |
399f4900 | 3419 | goto out_free_eeprom; |
bf85ea4f | 3420 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 3421 | |
316c30d9 | 3422 | /******************** |
09f9bf79 | 3423 | * 7. Setup services |
316c30d9 | 3424 | ********************/ |
4e39317d | 3425 | iwl_setup_deferred_work(priv); |
653fa4a0 | 3426 | iwl_setup_rx_handlers(priv); |
4613e72d | 3427 | iwl_testmode_init(priv); |
316c30d9 | 3428 | |
158bea07 | 3429 | /********************************************* |
084dd791 | 3430 | * 8. Enable interrupts |
158bea07 | 3431 | *********************************************/ |
6ba87956 | 3432 | |
554d1d02 | 3433 | iwl_enable_rfkill_int(priv); |
6cd0b1cb | 3434 | |
6cd0b1cb | 3435 | /* If platform's RF_KILL switch is NOT set to KILL */ |
83ed9015 EG |
3436 | if (iwl_read32(bus(priv), |
3437 | CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) | |
63013ae3 | 3438 | clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6cd0b1cb | 3439 | else |
63013ae3 | 3440 | set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6ba87956 | 3441 | |
a60e77e5 | 3442 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
63013ae3 | 3443 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); |
6cd0b1cb | 3444 | |
58d0f361 | 3445 | iwl_power_initialize(priv); |
39b73fb1 | 3446 | iwl_tt_initialize(priv); |
158bea07 | 3447 | |
898ed67b | 3448 | init_completion(&priv->firmware_loading_complete); |
562db532 | 3449 | |
b08dfd04 | 3450 | err = iwl_request_firmware(priv, true); |
158bea07 | 3451 | if (err) |
7d47618a | 3452 | goto out_destroy_workqueue; |
158bea07 | 3453 | |
b481de9c ZY |
3454 | return 0; |
3455 | ||
34c1b7ba | 3456 | out_destroy_workqueue: |
74e28e44 EG |
3457 | destroy_workqueue(priv->shrd->workqueue); |
3458 | priv->shrd->workqueue = NULL; | |
6ba87956 | 3459 | iwl_uninit_drv(priv); |
34c1b7ba | 3460 | out_free_eeprom: |
073d3f5f | 3461 | iwl_eeprom_free(priv); |
1e89cbac | 3462 | out_free_trans: |
e6bb4c9c | 3463 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3464 | out_free_traffic_mem: |
20594eb0 | 3465 | iwl_free_traffic_mem(priv); |
d7c76f4c | 3466 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 3467 | out: |
b481de9c ZY |
3468 | return err; |
3469 | } | |
3470 | ||
a48709c5 | 3471 | void __devexit iwl_remove(struct iwl_priv * priv) |
b481de9c | 3472 | { |
898ed67b | 3473 | wait_for_completion(&priv->firmware_loading_complete); |
562db532 | 3474 | |
e1623446 | 3475 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 3476 | |
67249625 | 3477 | iwl_dbgfs_unregister(priv); |
d5934110 | 3478 | sysfs_remove_group(&priv->bus->dev->kobj, |
3599d39a | 3479 | &iwl_attribute_group); |
67249625 | 3480 | |
5b9f8cd3 EG |
3481 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
3482 | * to be called and iwl_down since we are removing the device | |
0b124c31 GG |
3483 | * we need to set STATUS_EXIT_PENDING bit. |
3484 | */ | |
63013ae3 | 3485 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5ed540ae | 3486 | |
7a4e5281 | 3487 | iwl_testmode_cleanup(priv); |
5ed540ae WYG |
3488 | iwl_leds_exit(priv); |
3489 | ||
e20d4341 | 3490 | if (priv->shrd->mac80211_registered) { |
c4f55232 | 3491 | ieee80211_unregister_hw(priv->hw); |
e20d4341 | 3492 | priv->shrd->mac80211_registered = 0; |
c4f55232 RR |
3493 | } |
3494 | ||
39b73fb1 WYG |
3495 | iwl_tt_exit(priv); |
3496 | ||
ae2c30bf EG |
3497 | /*This will stop the queues, move the device to low power state */ |
3498 | iwl_trans_stop_device(trans(priv)); | |
0359facc | 3499 | |
3599d39a | 3500 | iwl_dealloc_ucode(priv); |
b481de9c | 3501 | |
073d3f5f | 3502 | iwl_eeprom_free(priv); |
b481de9c | 3503 | |
948c171c | 3504 | /*netif_stop_queue(dev); */ |
74e28e44 | 3505 | flush_workqueue(priv->shrd->workqueue); |
948c171c | 3506 | |
5b9f8cd3 | 3507 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
74e28e44 | 3508 | * priv->shrd->workqueue... so we can't take down the workqueue |
b481de9c | 3509 | * until now... */ |
74e28e44 EG |
3510 | destroy_workqueue(priv->shrd->workqueue); |
3511 | priv->shrd->workqueue = NULL; | |
20594eb0 | 3512 | iwl_free_traffic_mem(priv); |
b481de9c | 3513 | |
e6bb4c9c | 3514 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3515 | |
d5934110 | 3516 | bus_set_drv_data(priv->bus, NULL); |
b481de9c | 3517 | |
6ba87956 | 3518 | iwl_uninit_drv(priv); |
b481de9c | 3519 | |
77834543 | 3520 | dev_kfree_skb(priv->beacon_skb); |
b481de9c ZY |
3521 | |
3522 | ieee80211_free_hw(priv->hw); | |
3523 | } | |
3524 | ||
b481de9c ZY |
3525 | |
3526 | /***************************************************************************** | |
3527 | * | |
3528 | * driver and module entry point | |
3529 | * | |
3530 | *****************************************************************************/ | |
5b9f8cd3 | 3531 | static int __init iwl_init(void) |
b481de9c ZY |
3532 | { |
3533 | ||
3534 | int ret; | |
c96c31e4 JP |
3535 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
3536 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 3537 | |
e227ceac | 3538 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 3539 | if (ret) { |
c96c31e4 | 3540 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
897e1cf2 RC |
3541 | return ret; |
3542 | } | |
3543 | ||
48d1a211 | 3544 | ret = iwl_pci_register_driver(); |
b481de9c | 3545 | |
48d1a211 EG |
3546 | if (ret) |
3547 | goto error_register; | |
b481de9c | 3548 | return ret; |
897e1cf2 | 3549 | |
897e1cf2 | 3550 | error_register: |
e227ceac | 3551 | iwlagn_rate_control_unregister(); |
897e1cf2 | 3552 | return ret; |
b481de9c ZY |
3553 | } |
3554 | ||
5b9f8cd3 | 3555 | static void __exit iwl_exit(void) |
b481de9c | 3556 | { |
48d1a211 | 3557 | iwl_pci_unregister_driver(); |
e227ceac | 3558 | iwlagn_rate_control_unregister(); |
b481de9c ZY |
3559 | } |
3560 | ||
5b9f8cd3 EG |
3561 | module_exit(iwl_exit); |
3562 | module_init(iwl_init); | |
a562a9dd RC |
3563 | |
3564 | #ifdef CONFIG_IWLWIFI_DEBUG | |
48f20d35 EG |
3565 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
3566 | S_IRUGO | S_IWUSR); | |
a562a9dd RC |
3567 | MODULE_PARM_DESC(debug, "debug output mask"); |
3568 | #endif | |
3569 | ||
2b068618 WYG |
3570 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
3571 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
2b068618 WYG |
3572 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
3573 | MODULE_PARM_DESC(queues_num, "number of hw queues."); | |
2b068618 WYG |
3574 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
3575 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); | |
2b068618 WYG |
3576 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
3577 | int, S_IRUGO); | |
3578 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
2b068618 WYG |
3579 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
3580 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
dd7a2509 | 3581 | |
48f20d35 EG |
3582 | module_param_named(ucode_alternative, |
3583 | iwlagn_mod_params.wanted_ucode_alternative, | |
3584 | int, S_IRUGO); | |
dd7a2509 JB |
3585 | MODULE_PARM_DESC(ucode_alternative, |
3586 | "specify ucode alternative to use from ucode file"); | |
bee008b7 | 3587 | |
48f20d35 EG |
3588 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
3589 | int, S_IRUGO); | |
bee008b7 WYG |
3590 | MODULE_PARM_DESC(antenna_coupling, |
3591 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
f37837c9 | 3592 | |
48f20d35 EG |
3593 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
3594 | bool, S_IRUGO); | |
9f28ebc3 | 3595 | MODULE_PARM_DESC(bt_ch_inhibition, |
fee84f0d | 3596 | "Enable BT channel inhibition (default: enable)"); |
b7977ffa SG |
3597 | |
3598 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); | |
3599 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
3600 | ||
3601 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); | |
3602 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); | |
b60eec9b | 3603 | |
300d0834 WYG |
3604 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
3605 | MODULE_PARM_DESC(wd_disable, | |
3606 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); | |
3607 | ||
b60eec9b WYG |
3608 | /* |
3609 | * set bt_coex_active to true, uCode will do kill/defer | |
3610 | * every time the priority line is asserted (BT is sending signals on the | |
3611 | * priority line in the PCIx). | |
3612 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
3613 | * perform the normal operation | |
3614 | * | |
3615 | * User might experience transmit issue on some platform due to WiFi/BT | |
3616 | * co-exist problem. The possible behaviors are: | |
3617 | * Able to scan and finding all the available AP | |
3618 | * Not able to associate with any AP | |
3619 | * On those platforms, WiFi communication can be restored by set | |
3620 | * "bt_coex_active" module parameter to "false" | |
3621 | * | |
3622 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
3623 | */ | |
3624 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, | |
3625 | bool, S_IRUGO); | |
3626 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
6b0184c4 WYG |
3627 | |
3628 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); | |
3629 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
3630 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); | |
3f1e5f4a | 3631 | |
0172b029 WYG |
3632 | module_param_named(power_save, iwlagn_mod_params.power_save, |
3633 | bool, S_IRUGO); | |
3634 | MODULE_PARM_DESC(power_save, | |
3635 | "enable WiFi power management (default: disable)"); | |
3636 | ||
f7538168 WYG |
3637 | module_param_named(power_level, iwlagn_mod_params.power_level, |
3638 | int, S_IRUGO); | |
3639 | MODULE_PARM_DESC(power_level, | |
3640 | "default power save level (range from 1 - 5, default: 1)"); | |
3641 | ||
dd5b6d0a WYG |
3642 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
3643 | bool, S_IRUGO); | |
3644 | MODULE_PARM_DESC(auto_agg, | |
3645 | "enable agg w/o check traffic load (default: enable)"); | |
3646 | ||
3f1e5f4a WYG |
3647 | /* |
3648 | * For now, keep using power level 1 instead of automatically | |
3649 | * adjusting ... | |
3650 | */ | |
3651 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, | |
3652 | bool, S_IRUGO); | |
3653 | MODULE_PARM_DESC(no_sleep_autoadjust, | |
3654 | "don't automatically adjust sleep level " | |
3655 | "according to maximum network latency (default: true)"); |