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 */ | |
332 | spin_lock_irqsave(&priv->reg_lock, reg_flags); | |
333 | if (iwl_grab_nic_access(priv)) { | |
334 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); | |
335 | return; | |
336 | } | |
337 | ||
338 | /* Set starting address; reads will auto-increment */ | |
02a7fa00 | 339 | iwl_write32(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++) { | |
02a7fa00 JB |
347 | ev = iwl_read32(priv, HBUS_TARG_MEM_RDAT); |
348 | time = iwl_read32(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 { | |
02a7fa00 | 353 | data = iwl_read32(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 */ | |
359 | iwl_release_nic_access(priv); | |
360 | spin_unlock_irqrestore(&priv->reg_lock, reg_flags); | |
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)) { |
a9e1cb6a WYG |
373 | capacity = iwl_read_targ_mem(priv, base); |
374 | num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); | |
375 | mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); | |
376 | next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); | |
377 | } else | |
378 | return; | |
379 | ||
380 | if (num_wraps == priv->event_log.num_wraps) { | |
381 | iwl_print_cont_event_trace(priv, | |
382 | base, priv->event_log.next_entry, | |
383 | next_entry - priv->event_log.next_entry, | |
384 | mode); | |
385 | priv->event_log.non_wraps_count++; | |
386 | } else { | |
387 | if ((num_wraps - priv->event_log.num_wraps) > 1) | |
388 | priv->event_log.wraps_more_count++; | |
389 | else | |
390 | priv->event_log.wraps_once_count++; | |
391 | trace_iwlwifi_dev_ucode_wrap_event(priv, | |
392 | num_wraps - priv->event_log.num_wraps, | |
393 | next_entry, priv->event_log.next_entry); | |
394 | if (next_entry < priv->event_log.next_entry) { | |
395 | iwl_print_cont_event_trace(priv, base, | |
396 | priv->event_log.next_entry, | |
397 | capacity - priv->event_log.next_entry, | |
398 | mode); | |
399 | ||
400 | iwl_print_cont_event_trace(priv, base, 0, | |
401 | next_entry, mode); | |
402 | } else { | |
403 | iwl_print_cont_event_trace(priv, base, | |
404 | next_entry, capacity - next_entry, | |
405 | mode); | |
406 | ||
407 | iwl_print_cont_event_trace(priv, base, 0, | |
408 | next_entry, mode); | |
409 | } | |
410 | } | |
411 | priv->event_log.num_wraps = num_wraps; | |
412 | priv->event_log.next_entry = next_entry; | |
413 | } | |
414 | ||
415 | /** | |
416 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
417 | * | |
418 | * The timer is continually set to execute every | |
419 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
420 | * this function is to perform continuous uCode event logging operation | |
421 | * if enabled | |
422 | */ | |
423 | static void iwl_bg_ucode_trace(unsigned long data) | |
424 | { | |
425 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
426 | ||
63013ae3 | 427 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
a9e1cb6a WYG |
428 | return; |
429 | ||
430 | if (priv->event_log.ucode_trace) { | |
431 | iwl_continuous_event_trace(priv); | |
432 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
433 | mod_timer(&priv->ucode_trace, | |
434 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
435 | } | |
436 | } | |
437 | ||
65550636 WYG |
438 | static void iwl_bg_tx_flush(struct work_struct *work) |
439 | { | |
440 | struct iwl_priv *priv = | |
441 | container_of(work, struct iwl_priv, tx_flush); | |
442 | ||
63013ae3 | 443 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
65550636 WYG |
444 | return; |
445 | ||
446 | /* do nothing if rf-kill is on */ | |
845a9c0d | 447 | if (!iwl_is_ready_rf(priv->shrd)) |
65550636 WYG |
448 | return; |
449 | ||
c68744fb WYG |
450 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
451 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
452 | } |
453 | ||
7d47618a EG |
454 | /***************************************************************************** |
455 | * | |
456 | * sysfs attributes | |
457 | * | |
458 | *****************************************************************************/ | |
459 | ||
460 | #ifdef CONFIG_IWLWIFI_DEBUG | |
461 | ||
462 | /* | |
463 | * The following adds a new attribute to the sysfs representation | |
464 | * of this device driver (i.e. a new file in /sys/class/net/wlan0/device/) | |
465 | * used for controlling the debug level. | |
466 | * | |
467 | * See the level definitions in iwl for details. | |
468 | * | |
469 | * The debug_level being managed using sysfs below is a per device debug | |
470 | * level that is used instead of the global debug level if it (the per | |
471 | * device debug level) is set. | |
472 | */ | |
473 | static ssize_t show_debug_level(struct device *d, | |
474 | struct device_attribute *attr, char *buf) | |
475 | { | |
cac988a6 | 476 | struct iwl_shared *shrd = dev_get_drvdata(d); |
8f470ce3 | 477 | return sprintf(buf, "0x%08X\n", iwl_get_debug_level(shrd)); |
7d47618a EG |
478 | } |
479 | static ssize_t store_debug_level(struct device *d, | |
480 | struct device_attribute *attr, | |
481 | const char *buf, size_t count) | |
482 | { | |
cac988a6 EG |
483 | struct iwl_shared *shrd = dev_get_drvdata(d); |
484 | struct iwl_priv *priv = shrd->priv; | |
7d47618a EG |
485 | unsigned long val; |
486 | int ret; | |
487 | ||
488 | ret = strict_strtoul(buf, 0, &val); | |
489 | if (ret) | |
490 | IWL_ERR(priv, "%s is not in hex or decimal form.\n", buf); | |
491 | else { | |
8f470ce3 | 492 | shrd->dbg_level_dev = val; |
7d47618a | 493 | if (iwl_alloc_traffic_mem(priv)) |
8f470ce3 | 494 | IWL_ERR(shrd->priv, |
7d47618a EG |
495 | "Not enough memory to generate traffic log\n"); |
496 | } | |
497 | return strnlen(buf, count); | |
498 | } | |
499 | ||
500 | static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO, | |
501 | show_debug_level, store_debug_level); | |
502 | ||
503 | ||
504 | #endif /* CONFIG_IWLWIFI_DEBUG */ | |
505 | ||
506 | ||
507 | static ssize_t show_temperature(struct device *d, | |
508 | struct device_attribute *attr, char *buf) | |
509 | { | |
cac988a6 EG |
510 | struct iwl_shared *shrd = dev_get_drvdata(d); |
511 | struct iwl_priv *priv = shrd->priv; | |
7d47618a | 512 | |
845a9c0d | 513 | if (!iwl_is_alive(priv->shrd)) |
7d47618a EG |
514 | return -EAGAIN; |
515 | ||
516 | return sprintf(buf, "%d\n", priv->temperature); | |
517 | } | |
518 | ||
519 | static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); | |
520 | ||
521 | static ssize_t show_tx_power(struct device *d, | |
522 | struct device_attribute *attr, char *buf) | |
523 | { | |
524 | struct iwl_priv *priv = dev_get_drvdata(d); | |
525 | ||
845a9c0d | 526 | if (!iwl_is_ready_rf(priv->shrd)) |
7d47618a EG |
527 | return sprintf(buf, "off\n"); |
528 | else | |
529 | return sprintf(buf, "%d\n", priv->tx_power_user_lmt); | |
530 | } | |
531 | ||
532 | static ssize_t store_tx_power(struct device *d, | |
533 | struct device_attribute *attr, | |
534 | const char *buf, size_t count) | |
535 | { | |
536 | struct iwl_priv *priv = dev_get_drvdata(d); | |
537 | unsigned long val; | |
538 | int ret; | |
539 | ||
540 | ret = strict_strtoul(buf, 10, &val); | |
541 | if (ret) | |
542 | IWL_INFO(priv, "%s is not in decimal form.\n", buf); | |
543 | else { | |
544 | ret = iwl_set_tx_power(priv, val, false); | |
545 | if (ret) | |
546 | IWL_ERR(priv, "failed setting tx power (0x%d).\n", | |
547 | ret); | |
548 | else | |
549 | ret = count; | |
550 | } | |
551 | return ret; | |
552 | } | |
553 | ||
554 | static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power); | |
555 | ||
7d47618a EG |
556 | static struct attribute *iwl_sysfs_entries[] = { |
557 | &dev_attr_temperature.attr, | |
558 | &dev_attr_tx_power.attr, | |
7d47618a EG |
559 | #ifdef CONFIG_IWLWIFI_DEBUG |
560 | &dev_attr_debug_level.attr, | |
561 | #endif | |
562 | NULL | |
563 | }; | |
564 | ||
565 | static struct attribute_group iwl_attribute_group = { | |
566 | .name = NULL, /* put in device directory */ | |
567 | .attrs = iwl_sysfs_entries, | |
568 | }; | |
569 | ||
b481de9c ZY |
570 | /****************************************************************************** |
571 | * | |
572 | * uCode download functions | |
573 | * | |
574 | ******************************************************************************/ | |
575 | ||
3599d39a | 576 | static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc) |
dbf28e21 JB |
577 | { |
578 | if (desc->v_addr) | |
d5934110 | 579 | dma_free_coherent(priv->bus->dev, desc->len, |
dbf28e21 JB |
580 | desc->v_addr, desc->p_addr); |
581 | desc->v_addr = NULL; | |
582 | desc->len = 0; | |
583 | } | |
584 | ||
3599d39a | 585 | static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img) |
dbf28e21 | 586 | { |
3599d39a EG |
587 | iwl_free_fw_desc(priv, &img->code); |
588 | iwl_free_fw_desc(priv, &img->data); | |
dbf28e21 JB |
589 | } |
590 | ||
3599d39a EG |
591 | static void iwl_dealloc_ucode(struct iwl_priv *priv) |
592 | { | |
593 | iwl_free_fw_img(priv, &priv->ucode_rt); | |
594 | iwl_free_fw_img(priv, &priv->ucode_init); | |
c8ac61cf | 595 | iwl_free_fw_img(priv, &priv->ucode_wowlan); |
3599d39a EG |
596 | } |
597 | ||
598 | static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc, | |
dbf28e21 JB |
599 | const void *data, size_t len) |
600 | { | |
601 | if (!len) { | |
602 | desc->v_addr = NULL; | |
603 | return -EINVAL; | |
604 | } | |
605 | ||
d5934110 | 606 | desc->v_addr = dma_alloc_coherent(priv->bus->dev, len, |
dbf28e21 JB |
607 | &desc->p_addr, GFP_KERNEL); |
608 | if (!desc->v_addr) | |
609 | return -ENOMEM; | |
3599d39a | 610 | |
dbf28e21 JB |
611 | desc->len = len; |
612 | memcpy(desc->v_addr, data, len); | |
613 | return 0; | |
614 | } | |
615 | ||
4d2a5d0e JB |
616 | static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
617 | { | |
618 | static const u8 iwlagn_bss_ac_to_fifo[] = { | |
619 | IWL_TX_FIFO_VO, | |
620 | IWL_TX_FIFO_VI, | |
621 | IWL_TX_FIFO_BE, | |
622 | IWL_TX_FIFO_BK, | |
623 | }; | |
624 | static const u8 iwlagn_bss_ac_to_queue[] = { | |
625 | 0, 1, 2, 3, | |
626 | }; | |
627 | static const u8 iwlagn_pan_ac_to_fifo[] = { | |
628 | IWL_TX_FIFO_VO_IPAN, | |
629 | IWL_TX_FIFO_VI_IPAN, | |
630 | IWL_TX_FIFO_BE_IPAN, | |
631 | IWL_TX_FIFO_BK_IPAN, | |
632 | }; | |
633 | static const u8 iwlagn_pan_ac_to_queue[] = { | |
634 | 7, 6, 5, 4, | |
635 | }; | |
636 | int i; | |
637 | ||
638 | /* | |
639 | * The default context is always valid, | |
640 | * the PAN context depends on uCode. | |
641 | */ | |
642 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); | |
643 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) | |
644 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); | |
645 | ||
646 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
647 | priv->contexts[i].ctxid = i; | |
648 | ||
649 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
650 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
651 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
652 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
653 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
654 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
655 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
656 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
657 | priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo; | |
658 | priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue; | |
659 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = | |
660 | BIT(NL80211_IFTYPE_ADHOC); | |
661 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
662 | BIT(NL80211_IFTYPE_STATION); | |
663 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
664 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
665 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
666 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
667 | ||
668 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
669 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
670 | REPLY_WIPAN_RXON_TIMING; | |
671 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
672 | REPLY_WIPAN_RXON_ASSOC; | |
673 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
674 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
675 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
676 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
677 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
678 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo; | |
679 | priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue; | |
680 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; | |
681 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = | |
682 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
683 | |
684 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
685 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
686 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
687 | BIT(NL80211_IFTYPE_P2P_GO); | |
688 | ||
4d2a5d0e JB |
689 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
690 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
691 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
692 | ||
693 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
694 | } | |
695 | ||
696 | ||
dd7a2509 JB |
697 | struct iwlagn_ucode_capabilities { |
698 | u32 max_probe_length; | |
6a822d06 | 699 | u32 standard_phy_calibration_size; |
3997ff39 | 700 | u32 flags; |
dd7a2509 | 701 | }; |
edcdf8b2 | 702 | |
b08dfd04 | 703 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); |
dd7a2509 JB |
704 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
705 | struct iwlagn_ucode_capabilities *capa); | |
b08dfd04 | 706 | |
39396085 JS |
707 | #define UCODE_EXPERIMENTAL_INDEX 100 |
708 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
709 | ||
b08dfd04 JB |
710 | static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) |
711 | { | |
712 | const char *name_pre = priv->cfg->fw_name_pre; | |
39396085 | 713 | char tag[8]; |
b08dfd04 | 714 | |
39396085 JS |
715 | if (first) { |
716 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
717 | priv->fw_index = UCODE_EXPERIMENTAL_INDEX; | |
718 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); | |
719 | } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { | |
720 | #endif | |
b08dfd04 | 721 | priv->fw_index = priv->cfg->ucode_api_max; |
39396085 JS |
722 | sprintf(tag, "%d", priv->fw_index); |
723 | } else { | |
b08dfd04 | 724 | priv->fw_index--; |
39396085 JS |
725 | sprintf(tag, "%d", priv->fw_index); |
726 | } | |
b08dfd04 JB |
727 | |
728 | if (priv->fw_index < priv->cfg->ucode_api_min) { | |
729 | IWL_ERR(priv, "no suitable firmware found!\n"); | |
730 | return -ENOENT; | |
731 | } | |
732 | ||
39396085 | 733 | sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
b08dfd04 | 734 | |
39396085 JS |
735 | IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", |
736 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
737 | ? "EXPERIMENTAL " : "", | |
b08dfd04 JB |
738 | priv->firmware_name); |
739 | ||
740 | return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, | |
d5934110 | 741 | priv->bus->dev, |
3599d39a | 742 | GFP_KERNEL, priv, iwl_ucode_callback); |
b08dfd04 JB |
743 | } |
744 | ||
0e9a44dc | 745 | struct iwlagn_firmware_pieces { |
c8ac61cf JB |
746 | const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; |
747 | size_t inst_size, data_size, init_size, init_data_size, | |
748 | wowlan_inst_size, wowlan_data_size; | |
0e9a44dc JB |
749 | |
750 | u32 build; | |
b2e640d4 JB |
751 | |
752 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
753 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
0e9a44dc JB |
754 | }; |
755 | ||
756 | static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, | |
757 | const struct firmware *ucode_raw, | |
758 | struct iwlagn_firmware_pieces *pieces) | |
759 | { | |
760 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
761 | u32 api_ver, hdr_size; | |
762 | const u8 *src; | |
763 | ||
764 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
765 | api_ver = IWL_UCODE_API(priv->ucode_ver); | |
766 | ||
767 | switch (api_ver) { | |
768 | default: | |
f7d046f9 WYG |
769 | hdr_size = 28; |
770 | if (ucode_raw->size < hdr_size) { | |
771 | IWL_ERR(priv, "File size too small!\n"); | |
772 | return -EINVAL; | |
0e9a44dc | 773 | } |
f7d046f9 WYG |
774 | pieces->build = le32_to_cpu(ucode->u.v2.build); |
775 | pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); | |
776 | pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); | |
777 | pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); | |
778 | pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size); | |
f7d046f9 WYG |
779 | src = ucode->u.v2.data; |
780 | break; | |
0e9a44dc JB |
781 | case 0: |
782 | case 1: | |
783 | case 2: | |
784 | hdr_size = 24; | |
785 | if (ucode_raw->size < hdr_size) { | |
786 | IWL_ERR(priv, "File size too small!\n"); | |
787 | return -EINVAL; | |
788 | } | |
789 | pieces->build = 0; | |
790 | pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); | |
791 | pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); | |
792 | pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); | |
793 | pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size); | |
0e9a44dc JB |
794 | src = ucode->u.v1.data; |
795 | break; | |
796 | } | |
797 | ||
798 | /* Verify size of file vs. image size info in file's header */ | |
799 | if (ucode_raw->size != hdr_size + pieces->inst_size + | |
800 | pieces->data_size + pieces->init_size + | |
1fc35276 | 801 | pieces->init_data_size) { |
0e9a44dc JB |
802 | |
803 | IWL_ERR(priv, | |
804 | "uCode file size %d does not match expected size\n", | |
805 | (int)ucode_raw->size); | |
806 | return -EINVAL; | |
807 | } | |
808 | ||
809 | pieces->inst = src; | |
810 | src += pieces->inst_size; | |
811 | pieces->data = src; | |
812 | src += pieces->data_size; | |
813 | pieces->init = src; | |
814 | src += pieces->init_size; | |
815 | pieces->init_data = src; | |
816 | src += pieces->init_data_size; | |
0e9a44dc JB |
817 | |
818 | return 0; | |
819 | } | |
820 | ||
dd7a2509 JB |
821 | static int iwlagn_load_firmware(struct iwl_priv *priv, |
822 | const struct firmware *ucode_raw, | |
823 | struct iwlagn_firmware_pieces *pieces, | |
824 | struct iwlagn_ucode_capabilities *capa) | |
825 | { | |
826 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
827 | struct iwl_ucode_tlv *tlv; | |
828 | size_t len = ucode_raw->size; | |
829 | const u8 *data; | |
48f20d35 EG |
830 | int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; |
831 | int tmp; | |
dd7a2509 | 832 | u64 alternatives; |
ad8d8333 WYG |
833 | u32 tlv_len; |
834 | enum iwl_ucode_tlv_type tlv_type; | |
835 | const u8 *tlv_data; | |
dd7a2509 | 836 | |
ad8d8333 WYG |
837 | if (len < sizeof(*ucode)) { |
838 | IWL_ERR(priv, "uCode has invalid length: %zd\n", len); | |
dd7a2509 | 839 | return -EINVAL; |
ad8d8333 | 840 | } |
dd7a2509 | 841 | |
ad8d8333 WYG |
842 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
843 | IWL_ERR(priv, "invalid uCode magic: 0X%x\n", | |
844 | le32_to_cpu(ucode->magic)); | |
dd7a2509 | 845 | return -EINVAL; |
ad8d8333 | 846 | } |
dd7a2509 JB |
847 | |
848 | /* | |
849 | * Check which alternatives are present, and "downgrade" | |
850 | * when the chosen alternative is not present, warning | |
851 | * the user when that happens. Some files may not have | |
852 | * any alternatives, so don't warn in that case. | |
853 | */ | |
854 | alternatives = le64_to_cpu(ucode->alternatives); | |
855 | tmp = wanted_alternative; | |
856 | if (wanted_alternative > 63) | |
857 | wanted_alternative = 63; | |
858 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) | |
859 | wanted_alternative--; | |
860 | if (wanted_alternative && wanted_alternative != tmp) | |
861 | IWL_WARN(priv, | |
862 | "uCode alternative %d not available, choosing %d\n", | |
863 | tmp, wanted_alternative); | |
864 | ||
865 | priv->ucode_ver = le32_to_cpu(ucode->ver); | |
866 | pieces->build = le32_to_cpu(ucode->build); | |
867 | data = ucode->data; | |
868 | ||
869 | len -= sizeof(*ucode); | |
870 | ||
704da534 | 871 | while (len >= sizeof(*tlv)) { |
dd7a2509 | 872 | u16 tlv_alt; |
dd7a2509 JB |
873 | |
874 | len -= sizeof(*tlv); | |
875 | tlv = (void *)data; | |
876 | ||
877 | tlv_len = le32_to_cpu(tlv->length); | |
878 | tlv_type = le16_to_cpu(tlv->type); | |
879 | tlv_alt = le16_to_cpu(tlv->alternative); | |
880 | tlv_data = tlv->data; | |
881 | ||
ad8d8333 WYG |
882 | if (len < tlv_len) { |
883 | IWL_ERR(priv, "invalid TLV len: %zd/%u\n", | |
884 | len, tlv_len); | |
dd7a2509 | 885 | return -EINVAL; |
ad8d8333 | 886 | } |
dd7a2509 JB |
887 | len -= ALIGN(tlv_len, 4); |
888 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
889 | ||
890 | /* | |
891 | * Alternative 0 is always valid. | |
892 | * | |
893 | * Skip alternative TLVs that are not selected. | |
894 | */ | |
895 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) | |
896 | continue; | |
897 | ||
898 | switch (tlv_type) { | |
899 | case IWL_UCODE_TLV_INST: | |
900 | pieces->inst = tlv_data; | |
901 | pieces->inst_size = tlv_len; | |
902 | break; | |
903 | case IWL_UCODE_TLV_DATA: | |
904 | pieces->data = tlv_data; | |
905 | pieces->data_size = tlv_len; | |
906 | break; | |
907 | case IWL_UCODE_TLV_INIT: | |
908 | pieces->init = tlv_data; | |
909 | pieces->init_size = tlv_len; | |
910 | break; | |
911 | case IWL_UCODE_TLV_INIT_DATA: | |
912 | pieces->init_data = tlv_data; | |
913 | pieces->init_data_size = tlv_len; | |
914 | break; | |
915 | case IWL_UCODE_TLV_BOOT: | |
1fc35276 | 916 | IWL_ERR(priv, "Found unexpected BOOT ucode\n"); |
dd7a2509 JB |
917 | break; |
918 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
704da534 JB |
919 | if (tlv_len != sizeof(u32)) |
920 | goto invalid_tlv_len; | |
921 | capa->max_probe_length = | |
ad8d8333 | 922 | le32_to_cpup((__le32 *)tlv_data); |
dd7a2509 | 923 | break; |
ece9c4ee JB |
924 | case IWL_UCODE_TLV_PAN: |
925 | if (tlv_len) | |
926 | goto invalid_tlv_len; | |
3997ff39 JB |
927 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
928 | break; | |
929 | case IWL_UCODE_TLV_FLAGS: | |
930 | /* must be at least one u32 */ | |
931 | if (tlv_len < sizeof(u32)) | |
932 | goto invalid_tlv_len; | |
933 | /* and a proper number of u32s */ | |
934 | if (tlv_len % sizeof(u32)) | |
935 | goto invalid_tlv_len; | |
936 | /* | |
937 | * This driver only reads the first u32 as | |
938 | * right now no more features are defined, | |
939 | * if that changes then either the driver | |
940 | * will not work with the new firmware, or | |
941 | * it'll not take advantage of new features. | |
942 | */ | |
943 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
ece9c4ee | 944 | break; |
b2e640d4 | 945 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
704da534 JB |
946 | if (tlv_len != sizeof(u32)) |
947 | goto invalid_tlv_len; | |
948 | pieces->init_evtlog_ptr = | |
ad8d8333 | 949 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
950 | break; |
951 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
704da534 JB |
952 | if (tlv_len != sizeof(u32)) |
953 | goto invalid_tlv_len; | |
954 | pieces->init_evtlog_size = | |
ad8d8333 | 955 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
956 | break; |
957 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
704da534 JB |
958 | if (tlv_len != sizeof(u32)) |
959 | goto invalid_tlv_len; | |
960 | pieces->init_errlog_ptr = | |
ad8d8333 | 961 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
962 | break; |
963 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
704da534 JB |
964 | if (tlv_len != sizeof(u32)) |
965 | goto invalid_tlv_len; | |
966 | pieces->inst_evtlog_ptr = | |
ad8d8333 | 967 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
968 | break; |
969 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
704da534 JB |
970 | if (tlv_len != sizeof(u32)) |
971 | goto invalid_tlv_len; | |
972 | pieces->inst_evtlog_size = | |
ad8d8333 | 973 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 JB |
974 | break; |
975 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
704da534 JB |
976 | if (tlv_len != sizeof(u32)) |
977 | goto invalid_tlv_len; | |
978 | pieces->inst_errlog_ptr = | |
ad8d8333 | 979 | le32_to_cpup((__le32 *)tlv_data); |
b2e640d4 | 980 | break; |
c8312fac WYG |
981 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
982 | if (tlv_len) | |
704da534 JB |
983 | goto invalid_tlv_len; |
984 | priv->enhance_sensitivity_table = true; | |
c8312fac | 985 | break; |
c8ac61cf JB |
986 | case IWL_UCODE_TLV_WOWLAN_INST: |
987 | pieces->wowlan_inst = tlv_data; | |
988 | pieces->wowlan_inst_size = tlv_len; | |
989 | break; | |
990 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
991 | pieces->wowlan_data = tlv_data; | |
992 | pieces->wowlan_data_size = tlv_len; | |
993 | break; | |
6a822d06 | 994 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
704da534 JB |
995 | if (tlv_len != sizeof(u32)) |
996 | goto invalid_tlv_len; | |
997 | capa->standard_phy_calibration_size = | |
6a822d06 WYG |
998 | le32_to_cpup((__le32 *)tlv_data); |
999 | break; | |
dd7a2509 | 1000 | default: |
6fc3ba99 | 1001 | IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); |
dd7a2509 JB |
1002 | break; |
1003 | } | |
1004 | } | |
1005 | ||
ad8d8333 WYG |
1006 | if (len) { |
1007 | IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); | |
1008 | iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); | |
704da534 | 1009 | return -EINVAL; |
ad8d8333 | 1010 | } |
dd7a2509 | 1011 | |
704da534 JB |
1012 | return 0; |
1013 | ||
1014 | invalid_tlv_len: | |
1015 | IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); | |
1016 | iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); | |
1017 | ||
1018 | return -EINVAL; | |
dd7a2509 JB |
1019 | } |
1020 | ||
b481de9c | 1021 | /** |
b08dfd04 | 1022 | * iwl_ucode_callback - callback when firmware was loaded |
b481de9c | 1023 | * |
b08dfd04 JB |
1024 | * If loaded successfully, copies the firmware into buffers |
1025 | * for the card to fetch (via DMA). | |
b481de9c | 1026 | */ |
b08dfd04 | 1027 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) |
b481de9c | 1028 | { |
b08dfd04 | 1029 | struct iwl_priv *priv = context; |
cc0f555d | 1030 | struct iwl_ucode_header *ucode; |
0e9a44dc JB |
1031 | int err; |
1032 | struct iwlagn_firmware_pieces pieces; | |
a0987a8d | 1033 | const unsigned int api_max = priv->cfg->ucode_api_max; |
5d7969bf | 1034 | unsigned int api_ok = priv->cfg->ucode_api_ok; |
a0987a8d | 1035 | const unsigned int api_min = priv->cfg->ucode_api_min; |
0e9a44dc | 1036 | u32 api_ver; |
3e4de761 | 1037 | char buildstr[25]; |
0e9a44dc | 1038 | u32 build; |
dd7a2509 JB |
1039 | struct iwlagn_ucode_capabilities ucode_capa = { |
1040 | .max_probe_length = 200, | |
6a822d06 | 1041 | .standard_phy_calibration_size = |
642454cc | 1042 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, |
dd7a2509 | 1043 | }; |
0e9a44dc | 1044 | |
5d7969bf JB |
1045 | if (!api_ok) |
1046 | api_ok = api_max; | |
1047 | ||
0e9a44dc | 1048 | memset(&pieces, 0, sizeof(pieces)); |
b481de9c | 1049 | |
b08dfd04 | 1050 | if (!ucode_raw) { |
5d7969bf | 1051 | if (priv->fw_index <= api_ok) |
39396085 JS |
1052 | IWL_ERR(priv, |
1053 | "request for firmware file '%s' failed.\n", | |
1054 | priv->firmware_name); | |
b08dfd04 | 1055 | goto try_again; |
b481de9c ZY |
1056 | } |
1057 | ||
b08dfd04 JB |
1058 | IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", |
1059 | priv->firmware_name, ucode_raw->size); | |
b481de9c | 1060 | |
22adba2a JB |
1061 | /* Make sure that we got at least the API version number */ |
1062 | if (ucode_raw->size < 4) { | |
15b1687c | 1063 | IWL_ERR(priv, "File size way too small!\n"); |
b08dfd04 | 1064 | goto try_again; |
b481de9c ZY |
1065 | } |
1066 | ||
1067 | /* Data from ucode file: header followed by uCode images */ | |
cc0f555d | 1068 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
b481de9c | 1069 | |
0e9a44dc JB |
1070 | if (ucode->ver) |
1071 | err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); | |
1072 | else | |
dd7a2509 JB |
1073 | err = iwlagn_load_firmware(priv, ucode_raw, &pieces, |
1074 | &ucode_capa); | |
22adba2a | 1075 | |
0e9a44dc JB |
1076 | if (err) |
1077 | goto try_again; | |
b481de9c | 1078 | |
a0987a8d | 1079 | api_ver = IWL_UCODE_API(priv->ucode_ver); |
0e9a44dc | 1080 | build = pieces.build; |
a0987a8d | 1081 | |
0e9a44dc JB |
1082 | /* |
1083 | * api_ver should match the api version forming part of the | |
1084 | * firmware filename ... but we don't check for that and only rely | |
1085 | * on the API version read from firmware header from here on forward | |
1086 | */ | |
65cccfb0 WYG |
1087 | /* no api version check required for experimental uCode */ |
1088 | if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { | |
1089 | if (api_ver < api_min || api_ver > api_max) { | |
1090 | IWL_ERR(priv, | |
1091 | "Driver unable to support your firmware API. " | |
1092 | "Driver supports v%u, firmware is v%u.\n", | |
1093 | api_max, api_ver); | |
1094 | goto try_again; | |
1095 | } | |
b08dfd04 | 1096 | |
5d7969bf JB |
1097 | if (api_ver < api_ok) { |
1098 | if (api_ok != api_max) | |
1099 | IWL_ERR(priv, "Firmware has old API version, " | |
1100 | "expected v%u through v%u, got v%u.\n", | |
1101 | api_ok, api_max, api_ver); | |
1102 | else | |
1103 | IWL_ERR(priv, "Firmware has old API version, " | |
1104 | "expected v%u, got v%u.\n", | |
1105 | api_max, api_ver); | |
1106 | IWL_ERR(priv, "New firmware can be obtained from " | |
1107 | "http://www.intellinuxwireless.org/.\n"); | |
1108 | } | |
65cccfb0 | 1109 | } |
a0987a8d | 1110 | |
3e4de761 | 1111 | if (build) |
39396085 JS |
1112 | sprintf(buildstr, " build %u%s", build, |
1113 | (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
1114 | ? " (EXP)" : ""); | |
3e4de761 JB |
1115 | else |
1116 | buildstr[0] = '\0'; | |
1117 | ||
1118 | IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", | |
1119 | IWL_UCODE_MAJOR(priv->ucode_ver), | |
1120 | IWL_UCODE_MINOR(priv->ucode_ver), | |
1121 | IWL_UCODE_API(priv->ucode_ver), | |
1122 | IWL_UCODE_SERIAL(priv->ucode_ver), | |
1123 | buildstr); | |
a0987a8d | 1124 | |
5ebeb5a6 RC |
1125 | snprintf(priv->hw->wiphy->fw_version, |
1126 | sizeof(priv->hw->wiphy->fw_version), | |
3e4de761 | 1127 | "%u.%u.%u.%u%s", |
5ebeb5a6 RC |
1128 | IWL_UCODE_MAJOR(priv->ucode_ver), |
1129 | IWL_UCODE_MINOR(priv->ucode_ver), | |
1130 | IWL_UCODE_API(priv->ucode_ver), | |
3e4de761 JB |
1131 | IWL_UCODE_SERIAL(priv->ucode_ver), |
1132 | buildstr); | |
b481de9c | 1133 | |
b08dfd04 JB |
1134 | /* |
1135 | * For any of the failures below (before allocating pci memory) | |
1136 | * we will try to load a version with a smaller API -- maybe the | |
1137 | * user just got a corrupted version of the latest API. | |
1138 | */ | |
1139 | ||
0e9a44dc JB |
1140 | IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", |
1141 | priv->ucode_ver); | |
1142 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", | |
1143 | pieces.inst_size); | |
1144 | IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", | |
1145 | pieces.data_size); | |
1146 | IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", | |
1147 | pieces.init_size); | |
1148 | IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", | |
1149 | pieces.init_data_size); | |
b481de9c ZY |
1150 | |
1151 | /* Verify that uCode images will fit in card's SRAM */ | |
d6189124 | 1152 | if (pieces.inst_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1153 | IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", |
1154 | pieces.inst_size); | |
b08dfd04 | 1155 | goto try_again; |
b481de9c ZY |
1156 | } |
1157 | ||
d6189124 | 1158 | if (pieces.data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1159 | IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", |
1160 | pieces.data_size); | |
b08dfd04 | 1161 | goto try_again; |
b481de9c | 1162 | } |
0e9a44dc | 1163 | |
d6189124 | 1164 | if (pieces.init_size > hw_params(priv).max_inst_size) { |
0e9a44dc JB |
1165 | IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", |
1166 | pieces.init_size); | |
b08dfd04 | 1167 | goto try_again; |
b481de9c | 1168 | } |
0e9a44dc | 1169 | |
d6189124 | 1170 | if (pieces.init_data_size > hw_params(priv).max_data_size) { |
0e9a44dc JB |
1171 | IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", |
1172 | pieces.init_data_size); | |
b08dfd04 | 1173 | goto try_again; |
b481de9c | 1174 | } |
0e9a44dc | 1175 | |
b481de9c ZY |
1176 | /* Allocate ucode buffers for card's bus-master loading ... */ |
1177 | ||
1178 | /* Runtime instructions and 2 copies of data: | |
1179 | * 1) unmodified from disk | |
1180 | * 2) backup cache for save/restore during power-downs */ | |
3599d39a | 1181 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code, |
dbf28e21 JB |
1182 | pieces.inst, pieces.inst_size)) |
1183 | goto err_pci_alloc; | |
3599d39a | 1184 | if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data, |
dbf28e21 | 1185 | pieces.data, pieces.data_size)) |
1f304e4e ZY |
1186 | goto err_pci_alloc; |
1187 | ||
b481de9c | 1188 | /* Initialization instructions and data */ |
0e9a44dc | 1189 | if (pieces.init_size && pieces.init_data_size) { |
3599d39a | 1190 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code, |
dbf28e21 JB |
1191 | pieces.init, pieces.init_size)) |
1192 | goto err_pci_alloc; | |
3599d39a | 1193 | if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data, |
dbf28e21 | 1194 | pieces.init_data, pieces.init_data_size)) |
90e759d1 TW |
1195 | goto err_pci_alloc; |
1196 | } | |
b481de9c | 1197 | |
c8ac61cf JB |
1198 | /* WoWLAN instructions and data */ |
1199 | if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { | |
1200 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code, | |
1201 | pieces.wowlan_inst, | |
1202 | pieces.wowlan_inst_size)) | |
1203 | goto err_pci_alloc; | |
1204 | if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data, | |
1205 | pieces.wowlan_data, | |
1206 | pieces.wowlan_data_size)) | |
1207 | goto err_pci_alloc; | |
1208 | } | |
1209 | ||
b2e640d4 JB |
1210 | /* Now that we can no longer fail, copy information */ |
1211 | ||
1212 | /* | |
1213 | * The (size - 16) / 12 formula is based on the information recorded | |
1214 | * for each event, which is of mode 1 (including timestamp) for all | |
1215 | * new microcodes that include this information. | |
1216 | */ | |
898ed67b | 1217 | priv->init_evtlog_ptr = pieces.init_evtlog_ptr; |
b2e640d4 | 1218 | if (pieces.init_evtlog_size) |
898ed67b | 1219 | priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
b2e640d4 | 1220 | else |
898ed67b | 1221 | priv->init_evtlog_size = |
7cb1b088 | 1222 | priv->cfg->base_params->max_event_log_size; |
898ed67b WYG |
1223 | priv->init_errlog_ptr = pieces.init_errlog_ptr; |
1224 | priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
b2e640d4 | 1225 | if (pieces.inst_evtlog_size) |
898ed67b | 1226 | priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
b2e640d4 | 1227 | else |
898ed67b | 1228 | priv->inst_evtlog_size = |
7cb1b088 | 1229 | priv->cfg->base_params->max_event_log_size; |
898ed67b | 1230 | priv->inst_errlog_ptr = pieces.inst_errlog_ptr; |
b2e640d4 | 1231 | |
d2690c0d JB |
1232 | priv->new_scan_threshold_behaviour = |
1233 | !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); | |
1234 | ||
4d2a5d0e JB |
1235 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) |
1236 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
c10afb6e | 1237 | |
c6baf7fb JB |
1238 | /* |
1239 | * if not PAN, then don't support P2P -- might be a uCode | |
1240 | * packaging bug or due to the eeprom check above | |
1241 | */ | |
1242 | if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) | |
1243 | ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1244 | ||
4d2a5d0e JB |
1245 | if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1246 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
cefeaa5f | 1247 | priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; |
4d2a5d0e JB |
1248 | } else { |
1249 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
cefeaa5f | 1250 | priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; |
4d2a5d0e | 1251 | } |
17445b8c | 1252 | |
6a822d06 WYG |
1253 | /* |
1254 | * figure out the offset of chain noise reset and gain commands | |
1255 | * base on the size of standard phy calibration commands table size | |
1256 | */ | |
1257 | if (ucode_capa.standard_phy_calibration_size > | |
1258 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1259 | ucode_capa.standard_phy_calibration_size = | |
1260 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1261 | ||
898ed67b | 1262 | priv->phy_calib_chain_noise_reset_cmd = |
6a822d06 | 1263 | ucode_capa.standard_phy_calibration_size; |
898ed67b | 1264 | priv->phy_calib_chain_noise_gain_cmd = |
6a822d06 WYG |
1265 | ucode_capa.standard_phy_calibration_size + 1; |
1266 | ||
4d2a5d0e JB |
1267 | /* initialize all valid contexts */ |
1268 | iwl_init_context(priv, ucode_capa.flags); | |
1269 | ||
b08dfd04 JB |
1270 | /************************************************** |
1271 | * This is still part of probe() in a sense... | |
1272 | * | |
1273 | * 9. Setup and register with mac80211 and debugfs | |
1274 | **************************************************/ | |
dd7a2509 | 1275 | err = iwl_mac_setup_register(priv, &ucode_capa); |
b08dfd04 JB |
1276 | if (err) |
1277 | goto out_unbind; | |
1278 | ||
1279 | err = iwl_dbgfs_register(priv, DRV_NAME); | |
1280 | if (err) | |
1281 | IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); | |
1282 | ||
d5934110 | 1283 | err = sysfs_create_group(&(priv->bus->dev->kobj), |
7d47618a EG |
1284 | &iwl_attribute_group); |
1285 | if (err) { | |
1286 | IWL_ERR(priv, "failed to create sysfs device attributes\n"); | |
1287 | goto out_unbind; | |
1288 | } | |
1289 | ||
b481de9c ZY |
1290 | /* We have our copies now, allow OS release its copies */ |
1291 | release_firmware(ucode_raw); | |
898ed67b | 1292 | complete(&priv->firmware_loading_complete); |
b08dfd04 JB |
1293 | return; |
1294 | ||
1295 | try_again: | |
1296 | /* try next, if any */ | |
1297 | if (iwl_request_firmware(priv, false)) | |
1298 | goto out_unbind; | |
1299 | release_firmware(ucode_raw); | |
1300 | return; | |
b481de9c ZY |
1301 | |
1302 | err_pci_alloc: | |
15b1687c | 1303 | IWL_ERR(priv, "failed to allocate pci memory\n"); |
3599d39a | 1304 | iwl_dealloc_ucode(priv); |
b08dfd04 | 1305 | out_unbind: |
898ed67b | 1306 | complete(&priv->firmware_loading_complete); |
d5934110 | 1307 | device_release_driver(priv->bus->dev); |
b481de9c | 1308 | release_firmware(ucode_raw); |
b481de9c ZY |
1309 | } |
1310 | ||
0975cc8f WYG |
1311 | static void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
1312 | { | |
1313 | struct iwl_ct_kill_config cmd; | |
1314 | struct iwl_ct_kill_throttling_config adv_cmd; | |
1315 | unsigned long flags; | |
1316 | int ret = 0; | |
1317 | ||
10b15e6f | 1318 | spin_lock_irqsave(&priv->shrd->lock, flags); |
0975cc8f WYG |
1319 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, |
1320 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); | |
10b15e6f | 1321 | spin_unlock_irqrestore(&priv->shrd->lock, flags); |
0975cc8f WYG |
1322 | priv->thermal_throttle.ct_kill_toggle = false; |
1323 | ||
7cb1b088 | 1324 | if (priv->cfg->base_params->support_ct_kill_exit) { |
0975cc8f | 1325 | adv_cmd.critical_temperature_enter = |
d6189124 | 1326 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1327 | adv_cmd.critical_temperature_exit = |
d6189124 | 1328 | cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); |
0975cc8f | 1329 | |
e6bb4c9c | 1330 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1331 | REPLY_CT_KILL_CONFIG_CMD, |
1332 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
1333 | if (ret) |
1334 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1335 | else | |
1336 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1337 | "succeeded, critical temperature enter is %d," |
1338 | "exit is %d\n", | |
1339 | hw_params(priv).ct_kill_threshold, | |
1340 | hw_params(priv).ct_kill_exit_threshold); | |
0975cc8f WYG |
1341 | } else { |
1342 | cmd.critical_temperature_R = | |
d6189124 | 1343 | cpu_to_le32(hw_params(priv).ct_kill_threshold); |
0975cc8f | 1344 | |
e6bb4c9c | 1345 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
e419d62d EG |
1346 | REPLY_CT_KILL_CONFIG_CMD, |
1347 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
1348 | if (ret) |
1349 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
1350 | else | |
1351 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
1352 | "succeeded, " |
1353 | "critical temperature is %d\n", | |
1354 | hw_params(priv).ct_kill_threshold); | |
0975cc8f WYG |
1355 | } |
1356 | } | |
1357 | ||
6d6a1afd SZ |
1358 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
1359 | { | |
1360 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
1361 | struct iwl_host_cmd cmd = { | |
1362 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
1363 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
1364 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
1365 | }; |
1366 | ||
1367 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
1368 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; | |
7cb1b088 | 1369 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 1370 | |
e6bb4c9c | 1371 | return iwl_trans_send_cmd(trans(priv), &cmd); |
6d6a1afd SZ |
1372 | } |
1373 | ||
1374 | ||
e505c433 WYG |
1375 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
1376 | { | |
1377 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
1378 | .valid = cpu_to_le32(valid_tx_ant), | |
1379 | }; | |
1380 | ||
1381 | if (IWL_UCODE_API(priv->ucode_ver) > 1) { | |
1382 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); | |
e6bb4c9c | 1383 | return iwl_trans_send_cmd_pdu(trans(priv), |
e505c433 WYG |
1384 | TX_ANT_CONFIGURATION_CMD, |
1385 | CMD_SYNC, | |
1386 | sizeof(struct iwl_tx_ant_config_cmd), | |
1387 | &tx_ant_cmd); | |
1388 | } else { | |
1389 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
1390 | return -EOPNOTSUPP; | |
1391 | } | |
1392 | } | |
1393 | ||
b481de9c | 1394 | /** |
4a4a9e81 | 1395 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 1396 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 1397 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 1398 | */ |
4613e72d | 1399 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 1400 | { |
57aab75a | 1401 | int ret = 0; |
246ed355 | 1402 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 1403 | |
1a361cd8 | 1404 | /*TODO: this should go to the transport layer */ |
ca7966c8 | 1405 | iwl_reset_ict(priv); |
b481de9c | 1406 | |
ca7966c8 | 1407 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 1408 | |
5b9f8cd3 | 1409 | /* After the ALIVE response, we can send host commands to the uCode */ |
63013ae3 | 1410 | set_bit(STATUS_ALIVE, &priv->shrd->status); |
b481de9c | 1411 | |
22de94de SG |
1412 | /* Enable watchdog to monitor the driver tx queues */ |
1413 | iwl_setup_watchdog(priv); | |
b74e31a9 | 1414 | |
845a9c0d | 1415 | if (iwl_is_rfkill(priv->shrd)) |
ca7966c8 | 1416 | return -ERFKILL; |
b481de9c | 1417 | |
bc795df1 | 1418 | /* download priority table before any calibration request */ |
7cb1b088 WYG |
1419 | if (priv->cfg->bt_params && |
1420 | priv->cfg->bt_params->advanced_bt_coexist) { | |
f7322f8f | 1421 | /* Configure Bluetooth device coexistence support */ |
207ecc5e MV |
1422 | if (priv->cfg->bt_params->bt_sco_disable) |
1423 | priv->bt_enable_pspoll = false; | |
1424 | else | |
1425 | priv->bt_enable_pspoll = true; | |
1426 | ||
f7322f8f WYG |
1427 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
1428 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
1429 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 1430 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 1431 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
1432 | priv->cur_rssi_ctx = NULL; |
1433 | ||
a5901cbb | 1434 | iwlagn_send_prio_tbl(priv); |
f7322f8f WYG |
1435 | |
1436 | /* FIXME: w/a to force change uCode BT state machine */ | |
ca7966c8 JB |
1437 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
1438 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1439 | if (ret) | |
1440 | return ret; | |
1441 | ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, | |
1442 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); | |
1443 | if (ret) | |
1444 | return ret; | |
e55b517c WYG |
1445 | } else { |
1446 | /* | |
1447 | * default is 2-wire BT coexexistence support | |
1448 | */ | |
1449 | iwl_send_bt_config(priv); | |
f7322f8f | 1450 | } |
e55b517c | 1451 | |
d6189124 EG |
1452 | if (hw_params(priv).calib_rt_cfg) |
1453 | iwlagn_send_calib_cfg_rt(priv, | |
1454 | hw_params(priv).calib_rt_cfg); | |
bc795df1 | 1455 | |
36d6825b | 1456 | ieee80211_wake_queues(priv->hw); |
b481de9c | 1457 | |
470ab2dd | 1458 | priv->active_rate = IWL_RATES_MASK; |
b481de9c | 1459 | |
2f748dec | 1460 | /* Configure Tx antenna selection based on H/W config */ |
e3f10cea | 1461 | iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); |
2f748dec | 1462 | |
57210f7c | 1463 | if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { |
c1adf9fb | 1464 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 1465 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 1466 | /* apply any changes in staging */ |
246ed355 | 1467 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
1468 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
1469 | } else { | |
d0fe478c | 1470 | struct iwl_rxon_context *tmp; |
b481de9c | 1471 | /* Initialize our rx_config data */ |
d0fe478c JB |
1472 | for_each_context(priv, tmp) |
1473 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 1474 | |
e3f10cea | 1475 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
1476 | } |
1477 | ||
57210f7c | 1478 | if (!priv->shrd->wowlan) { |
c8ac61cf JB |
1479 | /* WoWLAN ucode will not reply in the same way, skip it */ |
1480 | iwl_reset_run_time_calib(priv); | |
1481 | } | |
4a4a9e81 | 1482 | |
63013ae3 | 1483 | set_bit(STATUS_READY, &priv->shrd->status); |
9e2e7422 | 1484 | |
b481de9c | 1485 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 1486 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
1487 | if (ret) |
1488 | return ret; | |
b481de9c ZY |
1489 | |
1490 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 1491 | iwl_rf_kill_ct_config(priv); |
5a66926a | 1492 | |
e1623446 | 1493 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 1494 | |
ca7966c8 | 1495 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
1496 | } |
1497 | ||
4e39317d | 1498 | static void iwl_cancel_deferred_work(struct iwl_priv *priv); |
b481de9c | 1499 | |
5b9f8cd3 | 1500 | static void __iwl_down(struct iwl_priv *priv) |
b481de9c | 1501 | { |
22dd2fd2 | 1502 | int exit_pending; |
b481de9c | 1503 | |
e1623446 | 1504 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 1505 | |
d745d472 SG |
1506 | iwl_scan_cancel_timeout(priv, 200); |
1507 | ||
c6baf7fb JB |
1508 | /* |
1509 | * If active, scanning won't cancel it, so say it expired. | |
1510 | * No race since we hold the mutex here and a new one | |
1511 | * can't come in at this time. | |
1512 | */ | |
1513 | ieee80211_remain_on_channel_expired(priv->hw); | |
1514 | ||
63013ae3 EG |
1515 | exit_pending = |
1516 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); | |
b481de9c | 1517 | |
b62177a0 SG |
1518 | /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set |
1519 | * to prevent rearm timer */ | |
22de94de | 1520 | del_timer_sync(&priv->watchdog); |
b62177a0 | 1521 | |
dcef732c | 1522 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 1523 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 1524 | iwl_clear_driver_stations(priv); |
b481de9c | 1525 | |
a1174138 | 1526 | /* reset BT coex data */ |
da5dbb97 | 1527 | priv->bt_status = 0; |
207ecc5e MV |
1528 | priv->cur_rssi_ctx = NULL; |
1529 | priv->bt_is_sco = 0; | |
7cb1b088 WYG |
1530 | if (priv->cfg->bt_params) |
1531 | priv->bt_traffic_load = | |
1532 | priv->cfg->bt_params->bt_init_traffic_load; | |
1533 | else | |
1534 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
1535 | priv->bt_full_concurrent = false; |
1536 | priv->bt_ci_compliance = 0; | |
a1174138 | 1537 | |
b481de9c ZY |
1538 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
1539 | * exiting the module */ | |
1540 | if (!exit_pending) | |
63013ae3 | 1541 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1542 | |
b481de9c ZY |
1543 | if (priv->mac80211_registered) |
1544 | ieee80211_stop_queues(priv->hw); | |
1545 | ||
1a10f433 | 1546 | /* Clear out all status bits but a few that are stable across reset */ |
63013ae3 EG |
1547 | priv->shrd->status &= |
1548 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << | |
b481de9c | 1549 | STATUS_RF_KILL_HW | |
63013ae3 | 1550 | test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << |
9788864e | 1551 | STATUS_GEO_CONFIGURED | |
63013ae3 | 1552 | test_bit(STATUS_FW_ERROR, &priv->shrd->status) << |
052ec3f1 | 1553 | STATUS_FW_ERROR | |
63013ae3 | 1554 | test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << |
052ec3f1 | 1555 | STATUS_EXIT_PENDING; |
b481de9c | 1556 | |
e6bb4c9c | 1557 | iwl_trans_stop_device(trans(priv)); |
4d2ccdb9 | 1558 | |
77834543 | 1559 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 1560 | priv->beacon_skb = NULL; |
b481de9c ZY |
1561 | } |
1562 | ||
5b9f8cd3 | 1563 | static void iwl_down(struct iwl_priv *priv) |
b481de9c | 1564 | { |
6ac2f839 | 1565 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1566 | __iwl_down(priv); |
6ac2f839 | 1567 | mutex_unlock(&priv->shrd->mutex); |
b24d22b1 | 1568 | |
4e39317d | 1569 | iwl_cancel_deferred_work(priv); |
b481de9c ZY |
1570 | } |
1571 | ||
1572 | #define MAX_HW_RESTARTS 5 | |
1573 | ||
5b9f8cd3 | 1574 | static int __iwl_up(struct iwl_priv *priv) |
b481de9c | 1575 | { |
a194e324 | 1576 | struct iwl_rxon_context *ctx; |
57aab75a | 1577 | int ret; |
b481de9c | 1578 | |
6ac2f839 | 1579 | lockdep_assert_held(&priv->shrd->mutex); |
ca7966c8 | 1580 | |
63013ae3 | 1581 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
39aadf8c | 1582 | IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); |
b481de9c ZY |
1583 | return -EIO; |
1584 | } | |
1585 | ||
a194e324 | 1586 | for_each_context(priv, ctx) { |
a30e3112 | 1587 | ret = iwlagn_alloc_bcast_station(priv, ctx); |
a194e324 JB |
1588 | if (ret) { |
1589 | iwl_dealloc_bcast_stations(priv); | |
1590 | return ret; | |
1591 | } | |
1592 | } | |
2c810ccd | 1593 | |
ca7966c8 JB |
1594 | ret = iwlagn_run_init_ucode(priv); |
1595 | if (ret) { | |
1596 | IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); | |
1597 | goto error; | |
1598 | } | |
b481de9c | 1599 | |
ca7966c8 | 1600 | ret = iwlagn_load_ucode_wait_alive(priv, |
dbf28e21 | 1601 | &priv->ucode_rt, |
872907bb | 1602 | IWL_UCODE_REGULAR); |
ca7966c8 JB |
1603 | if (ret) { |
1604 | IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); | |
1605 | goto error; | |
b481de9c ZY |
1606 | } |
1607 | ||
ca7966c8 JB |
1608 | ret = iwl_alive_start(priv); |
1609 | if (ret) | |
1610 | goto error; | |
1611 | return 0; | |
1612 | ||
1613 | error: | |
63013ae3 | 1614 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5b9f8cd3 | 1615 | __iwl_down(priv); |
63013ae3 | 1616 | clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
b481de9c | 1617 | |
ca7966c8 JB |
1618 | IWL_ERR(priv, "Unable to initialize device.\n"); |
1619 | return ret; | |
b481de9c ZY |
1620 | } |
1621 | ||
1622 | ||
1623 | /***************************************************************************** | |
1624 | * | |
1625 | * Workqueue callbacks | |
1626 | * | |
1627 | *****************************************************************************/ | |
1628 | ||
16e727e8 EG |
1629 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
1630 | { | |
1631 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
1632 | run_time_calib_work); | |
1633 | ||
6ac2f839 | 1634 | mutex_lock(&priv->shrd->mutex); |
16e727e8 | 1635 | |
63013ae3 EG |
1636 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
1637 | test_bit(STATUS_SCANNING, &priv->shrd->status)) { | |
6ac2f839 | 1638 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1639 | return; |
1640 | } | |
1641 | ||
1642 | if (priv->start_calib) { | |
0da0e5bf JB |
1643 | iwl_chain_noise_calibration(priv); |
1644 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
1645 | } |
1646 | ||
6ac2f839 | 1647 | mutex_unlock(&priv->shrd->mutex); |
16e727e8 EG |
1648 | } |
1649 | ||
e43e85c4 JB |
1650 | static void iwlagn_prepare_restart(struct iwl_priv *priv) |
1651 | { | |
1652 | struct iwl_rxon_context *ctx; | |
1653 | bool bt_full_concurrent; | |
1654 | u8 bt_ci_compliance; | |
1655 | u8 bt_load; | |
1656 | u8 bt_status; | |
207ecc5e | 1657 | bool bt_is_sco; |
e43e85c4 | 1658 | |
6ac2f839 | 1659 | lockdep_assert_held(&priv->shrd->mutex); |
e43e85c4 JB |
1660 | |
1661 | for_each_context(priv, ctx) | |
1662 | ctx->vif = NULL; | |
1663 | priv->is_open = 0; | |
1664 | ||
1665 | /* | |
1666 | * __iwl_down() will clear the BT status variables, | |
1667 | * which is correct, but when we restart we really | |
1668 | * want to keep them so restore them afterwards. | |
1669 | * | |
1670 | * The restart process will later pick them up and | |
1671 | * re-configure the hw when we reconfigure the BT | |
1672 | * command. | |
1673 | */ | |
1674 | bt_full_concurrent = priv->bt_full_concurrent; | |
1675 | bt_ci_compliance = priv->bt_ci_compliance; | |
1676 | bt_load = priv->bt_traffic_load; | |
1677 | bt_status = priv->bt_status; | |
207ecc5e | 1678 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 JB |
1679 | |
1680 | __iwl_down(priv); | |
1681 | ||
1682 | priv->bt_full_concurrent = bt_full_concurrent; | |
1683 | priv->bt_ci_compliance = bt_ci_compliance; | |
1684 | priv->bt_traffic_load = bt_load; | |
1685 | priv->bt_status = bt_status; | |
207ecc5e | 1686 | priv->bt_is_sco = bt_is_sco; |
e43e85c4 JB |
1687 | } |
1688 | ||
5b9f8cd3 | 1689 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1690 | { |
c79dd5b5 | 1691 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1692 | |
63013ae3 | 1693 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
b481de9c ZY |
1694 | return; |
1695 | ||
63013ae3 | 1696 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { |
6ac2f839 | 1697 | mutex_lock(&priv->shrd->mutex); |
e43e85c4 | 1698 | iwlagn_prepare_restart(priv); |
6ac2f839 | 1699 | mutex_unlock(&priv->shrd->mutex); |
a1174138 | 1700 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1701 | ieee80211_restart_hw(priv->hw); |
1702 | } else { | |
ca7966c8 | 1703 | WARN_ON(1); |
19cc1087 | 1704 | } |
b481de9c ZY |
1705 | } |
1706 | ||
b481de9c ZY |
1707 | /***************************************************************************** |
1708 | * | |
1709 | * mac80211 entry point functions | |
1710 | * | |
1711 | *****************************************************************************/ | |
1712 | ||
0fd09502 JB |
1713 | static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = { |
1714 | { | |
1715 | .max = 1, | |
1716 | .types = BIT(NL80211_IFTYPE_STATION), | |
1717 | }, | |
1718 | { | |
1719 | .max = 1, | |
1720 | .types = BIT(NL80211_IFTYPE_AP), | |
1721 | }, | |
1722 | }; | |
1723 | ||
1724 | static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = { | |
1725 | { | |
1726 | .max = 2, | |
1727 | .types = BIT(NL80211_IFTYPE_STATION), | |
1728 | }, | |
1729 | }; | |
1730 | ||
1731 | static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = { | |
1732 | { | |
1733 | .max = 1, | |
1734 | .types = BIT(NL80211_IFTYPE_STATION), | |
1735 | }, | |
1736 | { | |
1737 | .max = 1, | |
1738 | .types = BIT(NL80211_IFTYPE_P2P_GO) | | |
1739 | BIT(NL80211_IFTYPE_AP), | |
1740 | }, | |
1741 | }; | |
1742 | ||
1743 | static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = { | |
1744 | { | |
1745 | .max = 2, | |
1746 | .types = BIT(NL80211_IFTYPE_STATION), | |
1747 | }, | |
1748 | { | |
1749 | .max = 1, | |
1750 | .types = BIT(NL80211_IFTYPE_P2P_CLIENT), | |
1751 | }, | |
1752 | }; | |
1753 | ||
1754 | static const struct ieee80211_iface_combination | |
1755 | iwlagn_iface_combinations_dualmode[] = { | |
1756 | { .num_different_channels = 1, | |
1757 | .max_interfaces = 2, | |
1758 | .beacon_int_infra_match = true, | |
1759 | .limits = iwlagn_sta_ap_limits, | |
1760 | .n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits), | |
1761 | }, | |
1762 | { .num_different_channels = 1, | |
1763 | .max_interfaces = 2, | |
1764 | .limits = iwlagn_2sta_limits, | |
1765 | .n_limits = ARRAY_SIZE(iwlagn_2sta_limits), | |
1766 | }, | |
1767 | }; | |
1768 | ||
1769 | static const struct ieee80211_iface_combination | |
1770 | iwlagn_iface_combinations_p2p[] = { | |
1771 | { .num_different_channels = 1, | |
1772 | .max_interfaces = 2, | |
1773 | .beacon_int_infra_match = true, | |
1774 | .limits = iwlagn_p2p_sta_go_limits, | |
1775 | .n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits), | |
1776 | }, | |
1777 | { .num_different_channels = 1, | |
1778 | .max_interfaces = 2, | |
1779 | .limits = iwlagn_p2p_2sta_limits, | |
1780 | .n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits), | |
1781 | }, | |
1782 | }; | |
1783 | ||
f0b6e2e8 RC |
1784 | /* |
1785 | * Not a mac80211 entry point function, but it fits in with all the | |
1786 | * other mac80211 functions grouped here. | |
1787 | */ | |
dd7a2509 JB |
1788 | static int iwl_mac_setup_register(struct iwl_priv *priv, |
1789 | struct iwlagn_ucode_capabilities *capa) | |
f0b6e2e8 RC |
1790 | { |
1791 | int ret; | |
1792 | struct ieee80211_hw *hw = priv->hw; | |
d0fe478c JB |
1793 | struct iwl_rxon_context *ctx; |
1794 | ||
f0b6e2e8 RC |
1795 | hw->rate_control_algorithm = "iwl-agn-rs"; |
1796 | ||
1797 | /* Tell mac80211 our characteristics */ | |
1798 | hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
f0b6e2e8 | 1799 | IEEE80211_HW_AMPDU_AGGREGATION | |
2491fa42 | 1800 | IEEE80211_HW_NEED_DTIM_PERIOD | |
6fb5511a JB |
1801 | IEEE80211_HW_SPECTRUM_MGMT | |
1802 | IEEE80211_HW_REPORTS_TX_ACK_STATUS; | |
f0b6e2e8 | 1803 | |
9b768832 JB |
1804 | hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; |
1805 | ||
23c0fcc6 WYG |
1806 | hw->flags |= IEEE80211_HW_SUPPORTS_PS | |
1807 | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; | |
f0b6e2e8 | 1808 | |
88950758 | 1809 | if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) |
ba37a3d0 JB |
1810 | hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | |
1811 | IEEE80211_HW_SUPPORTS_STATIC_SMPS; | |
1812 | ||
3997ff39 JB |
1813 | if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) |
1814 | hw->flags |= IEEE80211_HW_MFP_CAPABLE; | |
1815 | ||
8d9698b3 | 1816 | hw->sta_data_size = sizeof(struct iwl_station_priv); |
fd1af15d JB |
1817 | hw->vif_data_size = sizeof(struct iwl_vif_priv); |
1818 | ||
d0fe478c JB |
1819 | for_each_context(priv, ctx) { |
1820 | hw->wiphy->interface_modes |= ctx->interface_modes; | |
1821 | hw->wiphy->interface_modes |= ctx->exclusive_interface_modes; | |
1822 | } | |
f0b6e2e8 | 1823 | |
0fd09502 JB |
1824 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); |
1825 | ||
f35490f9 | 1826 | if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) { |
0fd09502 JB |
1827 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p; |
1828 | hw->wiphy->n_iface_combinations = | |
1829 | ARRAY_SIZE(iwlagn_iface_combinations_p2p); | |
f35490f9 | 1830 | } else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) { |
0fd09502 JB |
1831 | hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode; |
1832 | hw->wiphy->n_iface_combinations = | |
1833 | ARRAY_SIZE(iwlagn_iface_combinations_dualmode); | |
1834 | } | |
1835 | ||
9b9190d9 JB |
1836 | hw->wiphy->max_remain_on_channel_duration = 1000; |
1837 | ||
f6c8f152 | 1838 | hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | |
274102a8 JB |
1839 | WIPHY_FLAG_DISABLE_BEACON_HINTS | |
1840 | WIPHY_FLAG_IBSS_RSN; | |
f0b6e2e8 | 1841 | |
c8ac61cf JB |
1842 | if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) { |
1843 | hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | | |
1844 | WIPHY_WOWLAN_DISCONNECT | | |
1845 | WIPHY_WOWLAN_EAP_IDENTITY_REQ | | |
1846 | WIPHY_WOWLAN_RFKILL_RELEASE; | |
1847 | if (!iwlagn_mod_params.sw_crypto) | |
1848 | hw->wiphy->wowlan.flags |= | |
1849 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | | |
1850 | WIPHY_WOWLAN_GTK_REKEY_FAILURE; | |
1851 | ||
1852 | hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS; | |
1853 | hw->wiphy->wowlan.pattern_min_len = | |
1854 | IWLAGN_WOWLAN_MIN_PATTERN_LEN; | |
1855 | hw->wiphy->wowlan.pattern_max_len = | |
1856 | IWLAGN_WOWLAN_MAX_PATTERN_LEN; | |
1857 | } | |
1858 | ||
0172b029 WYG |
1859 | if (iwlagn_mod_params.power_save) |
1860 | hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
1861 | else | |
1862 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; | |
f0b6e2e8 | 1863 | |
1382c71c | 1864 | hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; |
f0b6e2e8 | 1865 | /* we create the 802.11 header and a zero-length SSID element */ |
dd7a2509 | 1866 | hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2; |
f0b6e2e8 RC |
1867 | |
1868 | /* Default value; 4 EDCA QOS priorities */ | |
1869 | hw->queues = 4; | |
1870 | ||
1871 | hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL; | |
1872 | ||
1873 | if (priv->bands[IEEE80211_BAND_2GHZ].n_channels) | |
1874 | priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = | |
1875 | &priv->bands[IEEE80211_BAND_2GHZ]; | |
1876 | if (priv->bands[IEEE80211_BAND_5GHZ].n_channels) | |
1877 | priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = | |
1878 | &priv->bands[IEEE80211_BAND_5GHZ]; | |
1879 | ||
5ed540ae WYG |
1880 | iwl_leds_init(priv); |
1881 | ||
f0b6e2e8 RC |
1882 | ret = ieee80211_register_hw(priv->hw); |
1883 | if (ret) { | |
1884 | IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); | |
1885 | return ret; | |
1886 | } | |
1887 | priv->mac80211_registered = 1; | |
1888 | ||
1889 | return 0; | |
1890 | } | |
1891 | ||
1892 | ||
2dedbf58 | 1893 | static int iwlagn_mac_start(struct ieee80211_hw *hw) |
b481de9c | 1894 | { |
c79dd5b5 | 1895 | struct iwl_priv *priv = hw->priv; |
5a66926a | 1896 | int ret; |
b481de9c | 1897 | |
e1623446 | 1898 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c ZY |
1899 | |
1900 | /* we should be verifying the device is ready to be opened */ | |
6ac2f839 | 1901 | mutex_lock(&priv->shrd->mutex); |
5b9f8cd3 | 1902 | ret = __iwl_up(priv); |
6ac2f839 | 1903 | mutex_unlock(&priv->shrd->mutex); |
e655b9f0 | 1904 | if (ret) |
6cd0b1cb | 1905 | return ret; |
e655b9f0 | 1906 | |
e1623446 | 1907 | IWL_DEBUG_INFO(priv, "Start UP work done.\n"); |
e655b9f0 | 1908 | |
ca7966c8 | 1909 | /* Now we should be done, and the READY bit should be set. */ |
63013ae3 | 1910 | if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) |
ca7966c8 | 1911 | ret = -EIO; |
0a078ffa | 1912 | |
5ed540ae | 1913 | iwlagn_led_enable(priv); |
e932a609 | 1914 | |
0a078ffa | 1915 | priv->is_open = 1; |
e1623446 | 1916 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1917 | return 0; |
1918 | } | |
1919 | ||
2dedbf58 | 1920 | static void iwlagn_mac_stop(struct ieee80211_hw *hw) |
b481de9c | 1921 | { |
c79dd5b5 | 1922 | struct iwl_priv *priv = hw->priv; |
b481de9c | 1923 | |
e1623446 | 1924 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
948c171c | 1925 | |
19cc1087 | 1926 | if (!priv->is_open) |
e655b9f0 | 1927 | return; |
e655b9f0 | 1928 | |
b481de9c | 1929 | priv->is_open = 0; |
5a66926a | 1930 | |
5b9f8cd3 | 1931 | iwl_down(priv); |
5a66926a | 1932 | |
74e28e44 | 1933 | flush_workqueue(priv->shrd->workqueue); |
6cd0b1cb | 1934 | |
554d1d02 SG |
1935 | /* User space software may expect getting rfkill changes |
1936 | * even if interface is down */ | |
6cd0b1cb | 1937 | iwl_write32(priv, CSR_INT, 0xFFFFFFFF); |
554d1d02 | 1938 | iwl_enable_rfkill_int(priv); |
948c171c | 1939 | |
e1623446 | 1940 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c ZY |
1941 | } |
1942 | ||
26293133 | 1943 | #ifdef CONFIG_PM |
c8ac61cf JB |
1944 | static int iwlagn_send_patterns(struct iwl_priv *priv, |
1945 | struct cfg80211_wowlan *wowlan) | |
1946 | { | |
1947 | struct iwlagn_wowlan_patterns_cmd *pattern_cmd; | |
1948 | struct iwl_host_cmd cmd = { | |
1949 | .id = REPLY_WOWLAN_PATTERNS, | |
1950 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
1951 | .flags = CMD_SYNC, | |
1952 | }; | |
1953 | int i, err; | |
1954 | ||
1955 | if (!wowlan->n_patterns) | |
1956 | return 0; | |
1957 | ||
1958 | cmd.len[0] = sizeof(*pattern_cmd) + | |
1959 | wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern); | |
1960 | ||
1961 | pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL); | |
1962 | if (!pattern_cmd) | |
1963 | return -ENOMEM; | |
1964 | ||
1965 | pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns); | |
1966 | ||
1967 | for (i = 0; i < wowlan->n_patterns; i++) { | |
1968 | int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8); | |
1969 | ||
1970 | memcpy(&pattern_cmd->patterns[i].mask, | |
1971 | wowlan->patterns[i].mask, mask_len); | |
1972 | memcpy(&pattern_cmd->patterns[i].pattern, | |
1973 | wowlan->patterns[i].pattern, | |
1974 | wowlan->patterns[i].pattern_len); | |
1975 | pattern_cmd->patterns[i].mask_size = mask_len; | |
1976 | pattern_cmd->patterns[i].pattern_size = | |
1977 | wowlan->patterns[i].pattern_len; | |
1978 | } | |
1979 | ||
1980 | cmd.data[0] = pattern_cmd; | |
e6bb4c9c | 1981 | err = iwl_trans_send_cmd(trans(priv), &cmd); |
c8ac61cf JB |
1982 | kfree(pattern_cmd); |
1983 | return err; | |
1984 | } | |
26293133 | 1985 | #endif |
c8ac61cf JB |
1986 | |
1987 | static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, | |
1988 | struct ieee80211_vif *vif, | |
1989 | struct cfg80211_gtk_rekey_data *data) | |
1990 | { | |
1991 | struct iwl_priv *priv = hw->priv; | |
1992 | ||
1993 | if (iwlagn_mod_params.sw_crypto) | |
1994 | return; | |
1995 | ||
6ac2f839 | 1996 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
1997 | |
1998 | if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) | |
1999 | goto out; | |
2000 | ||
2001 | memcpy(priv->kek, data->kek, NL80211_KEK_LEN); | |
2002 | memcpy(priv->kck, data->kck, NL80211_KCK_LEN); | |
2003 | priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr)); | |
2004 | priv->have_rekey_data = true; | |
2005 | ||
2006 | out: | |
6ac2f839 | 2007 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2008 | } |
2009 | ||
2010 | struct wowlan_key_data { | |
2011 | struct iwl_rxon_context *ctx; | |
2012 | struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc; | |
2013 | struct iwlagn_wowlan_tkip_params_cmd *tkip; | |
2014 | const u8 *bssid; | |
2015 | bool error, use_rsc_tsc, use_tkip; | |
2016 | }; | |
2017 | ||
26293133 | 2018 | #ifdef CONFIG_PM |
c8ac61cf JB |
2019 | static void iwlagn_convert_p1k(u16 *p1k, __le16 *out) |
2020 | { | |
2021 | int i; | |
2022 | ||
2023 | for (i = 0; i < IWLAGN_P1K_SIZE; i++) | |
2024 | out[i] = cpu_to_le16(p1k[i]); | |
2025 | } | |
2026 | ||
2027 | static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, | |
2028 | struct ieee80211_vif *vif, | |
2029 | struct ieee80211_sta *sta, | |
2030 | struct ieee80211_key_conf *key, | |
2031 | void *_data) | |
2032 | { | |
2033 | struct iwl_priv *priv = hw->priv; | |
2034 | struct wowlan_key_data *data = _data; | |
2035 | struct iwl_rxon_context *ctx = data->ctx; | |
2036 | struct aes_sc *aes_sc, *aes_tx_sc = NULL; | |
2037 | struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL; | |
2038 | struct iwlagn_p1k_cache *rx_p1ks; | |
2039 | u8 *rx_mic_key; | |
2040 | struct ieee80211_key_seq seq; | |
2041 | u32 cur_rx_iv32 = 0; | |
2042 | u16 p1k[IWLAGN_P1K_SIZE]; | |
2043 | int ret, i; | |
2044 | ||
6ac2f839 | 2045 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2046 | |
2047 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || | |
2048 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && | |
2049 | !sta && !ctx->key_mapping_keys) | |
2050 | ret = iwl_set_default_wep_key(priv, ctx, key); | |
2051 | else | |
2052 | ret = iwl_set_dynamic_key(priv, ctx, key, sta); | |
2053 | ||
2054 | if (ret) { | |
2055 | IWL_ERR(priv, "Error setting key during suspend!\n"); | |
2056 | data->error = true; | |
2057 | } | |
2058 | ||
2059 | switch (key->cipher) { | |
2060 | case WLAN_CIPHER_SUITE_TKIP: | |
2061 | if (sta) { | |
2062 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc; | |
2063 | tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc; | |
2064 | ||
2065 | rx_p1ks = data->tkip->rx_uni; | |
2066 | ||
2067 | ieee80211_get_key_tx_seq(key, &seq); | |
2068 | tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16); | |
2069 | tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32); | |
2070 | ||
2071 | ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k); | |
2072 | iwlagn_convert_p1k(p1k, data->tkip->tx.p1k); | |
2073 | ||
2074 | memcpy(data->tkip->mic_keys.tx, | |
2075 | &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY], | |
2076 | IWLAGN_MIC_KEY_SIZE); | |
2077 | ||
2078 | rx_mic_key = data->tkip->mic_keys.rx_unicast; | |
2079 | } else { | |
2080 | tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc; | |
2081 | rx_p1ks = data->tkip->rx_multi; | |
2082 | rx_mic_key = data->tkip->mic_keys.rx_mcast; | |
2083 | } | |
2084 | ||
2085 | /* | |
2086 | * For non-QoS this relies on the fact that both the uCode and | |
2087 | * mac80211 use TID 0 (as they need to to avoid replay attacks) | |
2088 | * for checking the IV in the frames. | |
2089 | */ | |
2090 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
2091 | ieee80211_get_key_rx_seq(key, i, &seq); | |
2092 | tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16); | |
2093 | tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32); | |
2094 | /* wrapping isn't allowed, AP must rekey */ | |
2095 | if (seq.tkip.iv32 > cur_rx_iv32) | |
2096 | cur_rx_iv32 = seq.tkip.iv32; | |
2097 | } | |
2098 | ||
2099 | ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k); | |
2100 | iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k); | |
2101 | ieee80211_get_tkip_rx_p1k(key, data->bssid, | |
2102 | cur_rx_iv32 + 1, p1k); | |
2103 | iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k); | |
2104 | ||
2105 | memcpy(rx_mic_key, | |
2106 | &key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY], | |
2107 | IWLAGN_MIC_KEY_SIZE); | |
2108 | ||
2109 | data->use_tkip = true; | |
2110 | data->use_rsc_tsc = true; | |
2111 | break; | |
2112 | case WLAN_CIPHER_SUITE_CCMP: | |
2113 | if (sta) { | |
2114 | u8 *pn = seq.ccmp.pn; | |
2115 | ||
2116 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; | |
2117 | aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; | |
2118 | ||
2119 | ieee80211_get_key_tx_seq(key, &seq); | |
2120 | aes_tx_sc->pn = cpu_to_le64( | |
2121 | (u64)pn[5] | | |
2122 | ((u64)pn[4] << 8) | | |
2123 | ((u64)pn[3] << 16) | | |
2124 | ((u64)pn[2] << 24) | | |
2125 | ((u64)pn[1] << 32) | | |
2126 | ((u64)pn[0] << 40)); | |
2127 | } else | |
2128 | aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; | |
2129 | ||
2130 | /* | |
2131 | * For non-QoS this relies on the fact that both the uCode and | |
2132 | * mac80211 use TID 0 for checking the IV in the frames. | |
2133 | */ | |
2134 | for (i = 0; i < IWLAGN_NUM_RSC; i++) { | |
2135 | u8 *pn = seq.ccmp.pn; | |
2136 | ||
2137 | ieee80211_get_key_rx_seq(key, i, &seq); | |
2138 | aes_sc->pn = cpu_to_le64( | |
2139 | (u64)pn[5] | | |
2140 | ((u64)pn[4] << 8) | | |
2141 | ((u64)pn[3] << 16) | | |
2142 | ((u64)pn[2] << 24) | | |
2143 | ((u64)pn[1] << 32) | | |
2144 | ((u64)pn[0] << 40)); | |
2145 | } | |
2146 | data->use_rsc_tsc = true; | |
2147 | break; | |
2148 | } | |
2149 | ||
6ac2f839 | 2150 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2151 | } |
2152 | ||
2153 | static int iwlagn_mac_suspend(struct ieee80211_hw *hw, | |
2154 | struct cfg80211_wowlan *wowlan) | |
2155 | { | |
2156 | struct iwl_priv *priv = hw->priv; | |
2157 | struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; | |
2158 | struct iwl_rxon_cmd rxon; | |
2159 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2160 | struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd; | |
2161 | struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {}; | |
2162 | struct wowlan_key_data key_data = { | |
2163 | .ctx = ctx, | |
2164 | .bssid = ctx->active.bssid_addr, | |
2165 | .use_rsc_tsc = false, | |
2166 | .tkip = &tkip_cmd, | |
2167 | .use_tkip = false, | |
2168 | }; | |
2169 | int ret, i; | |
2170 | u16 seq; | |
2171 | ||
2172 | if (WARN_ON(!wowlan)) | |
2173 | return -EINVAL; | |
2174 | ||
6ac2f839 | 2175 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2176 | |
2177 | /* Don't attempt WoWLAN when not associated, tear down instead. */ | |
2178 | if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || | |
2179 | !iwl_is_associated_ctx(ctx)) { | |
2180 | ret = 1; | |
2181 | goto out; | |
2182 | } | |
2183 | ||
2184 | key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL); | |
2185 | if (!key_data.rsc_tsc) { | |
2186 | ret = -ENOMEM; | |
2187 | goto out; | |
2188 | } | |
2189 | ||
2190 | memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd)); | |
2191 | ||
2192 | /* | |
2193 | * We know the last used seqno, and the uCode expects to know that | |
2194 | * one, it will increment before TX. | |
2195 | */ | |
2196 | seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ; | |
2197 | wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq); | |
2198 | ||
2199 | /* | |
2200 | * For QoS counters, we store the one to use next, so subtract 0x10 | |
2201 | * since the uCode will add 0x10 before using the value. | |
2202 | */ | |
2203 | for (i = 0; i < 8; i++) { | |
2204 | seq = priv->stations[IWL_AP_ID].tid[i].seq_number; | |
2205 | seq -= 0x10; | |
2206 | wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq); | |
2207 | } | |
2208 | ||
2209 | if (wowlan->disconnect) | |
2210 | wakeup_filter_cmd.enabled |= | |
2211 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS | | |
2212 | IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE); | |
2213 | if (wowlan->magic_pkt) | |
2214 | wakeup_filter_cmd.enabled |= | |
2215 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET); | |
2216 | if (wowlan->gtk_rekey_failure) | |
2217 | wakeup_filter_cmd.enabled |= | |
2218 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL); | |
2219 | if (wowlan->eap_identity_req) | |
2220 | wakeup_filter_cmd.enabled |= | |
2221 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ); | |
2222 | if (wowlan->four_way_handshake) | |
2223 | wakeup_filter_cmd.enabled |= | |
2224 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE); | |
2225 | if (wowlan->rfkill_release) | |
2226 | wakeup_filter_cmd.enabled |= | |
2227 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL); | |
2228 | if (wowlan->n_patterns) | |
2229 | wakeup_filter_cmd.enabled |= | |
2230 | cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH); | |
2231 | ||
2232 | iwl_scan_cancel_timeout(priv, 200); | |
2233 | ||
2234 | memcpy(&rxon, &ctx->active, sizeof(rxon)); | |
2235 | ||
e6bb4c9c | 2236 | iwl_trans_stop_device(trans(priv)); |
c8ac61cf | 2237 | |
57210f7c | 2238 | priv->shrd->wowlan = true; |
c8ac61cf JB |
2239 | |
2240 | ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan, | |
2241 | IWL_UCODE_WOWLAN); | |
2242 | if (ret) | |
2243 | goto error; | |
2244 | ||
2245 | /* now configure WoWLAN ucode */ | |
2246 | ret = iwl_alive_start(priv); | |
2247 | if (ret) | |
2248 | goto error; | |
2249 | ||
2250 | memcpy(&ctx->staging, &rxon, sizeof(rxon)); | |
2251 | ret = iwlagn_commit_rxon(priv, ctx); | |
2252 | if (ret) | |
2253 | goto error; | |
2254 | ||
2255 | ret = iwl_power_update_mode(priv, true); | |
2256 | if (ret) | |
2257 | goto error; | |
2258 | ||
2259 | if (!iwlagn_mod_params.sw_crypto) { | |
2260 | /* mark all keys clear */ | |
2261 | priv->ucode_key_table = 0; | |
2262 | ctx->key_mapping_keys = 0; | |
2263 | ||
2264 | /* | |
2265 | * This needs to be unlocked due to lock ordering | |
2266 | * constraints. Since we're in the suspend path | |
2267 | * that isn't really a problem though. | |
2268 | */ | |
6ac2f839 | 2269 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2270 | ieee80211_iter_keys(priv->hw, ctx->vif, |
2271 | iwlagn_wowlan_program_keys, | |
2272 | &key_data); | |
6ac2f839 | 2273 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2274 | if (key_data.error) { |
2275 | ret = -EIO; | |
2276 | goto error; | |
2277 | } | |
2278 | ||
2279 | if (key_data.use_rsc_tsc) { | |
2280 | struct iwl_host_cmd rsc_tsc_cmd = { | |
2281 | .id = REPLY_WOWLAN_TSC_RSC_PARAMS, | |
2282 | .flags = CMD_SYNC, | |
2283 | .data[0] = key_data.rsc_tsc, | |
2284 | .dataflags[0] = IWL_HCMD_DFL_NOCOPY, | |
2285 | .len[0] = sizeof(*key_data.rsc_tsc), | |
2286 | }; | |
2287 | ||
e6bb4c9c | 2288 | ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); |
c8ac61cf JB |
2289 | if (ret) |
2290 | goto error; | |
2291 | } | |
2292 | ||
2293 | if (key_data.use_tkip) { | |
e6bb4c9c | 2294 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2295 | REPLY_WOWLAN_TKIP_PARAMS, |
2296 | CMD_SYNC, sizeof(tkip_cmd), | |
2297 | &tkip_cmd); | |
2298 | if (ret) | |
2299 | goto error; | |
2300 | } | |
2301 | ||
2302 | if (priv->have_rekey_data) { | |
2303 | memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd)); | |
2304 | memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN); | |
2305 | kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN); | |
2306 | memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN); | |
2307 | kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); | |
2308 | kek_kck_cmd.replay_ctr = priv->replay_ctr; | |
2309 | ||
e6bb4c9c | 2310 | ret = iwl_trans_send_cmd_pdu(trans(priv), |
c8ac61cf JB |
2311 | REPLY_WOWLAN_KEK_KCK_MATERIAL, |
2312 | CMD_SYNC, sizeof(kek_kck_cmd), | |
2313 | &kek_kck_cmd); | |
2314 | if (ret) | |
2315 | goto error; | |
2316 | } | |
2317 | } | |
2318 | ||
e6bb4c9c | 2319 | ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, |
c8ac61cf JB |
2320 | CMD_SYNC, sizeof(wakeup_filter_cmd), |
2321 | &wakeup_filter_cmd); | |
2322 | if (ret) | |
2323 | goto error; | |
2324 | ||
2325 | ret = iwlagn_send_patterns(priv, wowlan); | |
2326 | if (ret) | |
2327 | goto error; | |
2328 | ||
2329 | device_set_wakeup_enable(priv->bus->dev, true); | |
2330 | ||
2331 | /* Now let the ucode operate on its own */ | |
2332 | iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, | |
2333 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); | |
2334 | ||
2335 | goto out; | |
2336 | ||
2337 | error: | |
57210f7c | 2338 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2339 | iwlagn_prepare_restart(priv); |
2340 | ieee80211_restart_hw(priv->hw); | |
2341 | out: | |
6ac2f839 | 2342 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2343 | kfree(key_data.rsc_tsc); |
2344 | return ret; | |
2345 | } | |
2346 | ||
2347 | static int iwlagn_mac_resume(struct ieee80211_hw *hw) | |
2348 | { | |
2349 | struct iwl_priv *priv = hw->priv; | |
2350 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
2351 | struct ieee80211_vif *vif; | |
2352 | unsigned long flags; | |
2353 | u32 base, status = 0xffffffff; | |
2354 | int ret = -EIO; | |
2355 | ||
6ac2f839 | 2356 | mutex_lock(&priv->shrd->mutex); |
c8ac61cf JB |
2357 | |
2358 | iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, | |
2359 | CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); | |
2360 | ||
2361 | base = priv->device_pointers.error_event_table; | |
2362 | if (iwlagn_hw_valid_rtc_data_addr(base)) { | |
2363 | spin_lock_irqsave(&priv->reg_lock, flags); | |
2364 | ret = iwl_grab_nic_access_silent(priv); | |
2365 | if (ret == 0) { | |
2366 | iwl_write32(priv, HBUS_TARG_MEM_RADDR, base); | |
2367 | status = iwl_read32(priv, HBUS_TARG_MEM_RDAT); | |
2368 | iwl_release_nic_access(priv); | |
2369 | } | |
2370 | spin_unlock_irqrestore(&priv->reg_lock, flags); | |
2371 | ||
2372 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
2373 | if (ret == 0) { | |
2374 | if (!priv->wowlan_sram) | |
2375 | priv->wowlan_sram = | |
2376 | kzalloc(priv->ucode_wowlan.data.len, | |
2377 | GFP_KERNEL); | |
2378 | ||
2379 | if (priv->wowlan_sram) | |
2380 | _iwl_read_targ_mem_words( | |
2381 | priv, 0x800000, priv->wowlan_sram, | |
2382 | priv->ucode_wowlan.data.len / 4); | |
2383 | } | |
2384 | #endif | |
2385 | } | |
2386 | ||
2387 | /* we'll clear ctx->vif during iwlagn_prepare_restart() */ | |
2388 | vif = ctx->vif; | |
2389 | ||
57210f7c | 2390 | priv->shrd->wowlan = false; |
c8ac61cf JB |
2391 | |
2392 | device_set_wakeup_enable(priv->bus->dev, false); | |
2393 | ||
2394 | iwlagn_prepare_restart(priv); | |
2395 | ||
2396 | memset((void *)&ctx->active, 0, sizeof(ctx->active)); | |
2397 | iwl_connection_init_rx_config(priv, ctx); | |
2398 | iwlagn_set_rxon_chain(priv, ctx); | |
2399 | ||
6ac2f839 | 2400 | mutex_unlock(&priv->shrd->mutex); |
c8ac61cf JB |
2401 | |
2402 | ieee80211_resume_disconnect(vif); | |
2403 | ||
2404 | return 1; | |
2405 | } | |
26293133 | 2406 | #endif |
c8ac61cf | 2407 | |
2dedbf58 | 2408 | static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) |
b481de9c | 2409 | { |
c79dd5b5 | 2410 | struct iwl_priv *priv = hw->priv; |
b481de9c | 2411 | |
e1623446 | 2412 | IWL_DEBUG_MACDUMP(priv, "enter\n"); |
b481de9c | 2413 | |
e1623446 | 2414 | IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, |
e039fa4a | 2415 | ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); |
b481de9c | 2416 | |
74bcdb33 | 2417 | if (iwlagn_tx_skb(priv, skb)) |
b481de9c ZY |
2418 | dev_kfree_skb_any(skb); |
2419 | ||
e1623446 | 2420 | IWL_DEBUG_MACDUMP(priv, "leave\n"); |
b481de9c ZY |
2421 | } |
2422 | ||
2dedbf58 JB |
2423 | static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, |
2424 | struct ieee80211_vif *vif, | |
2425 | struct ieee80211_key_conf *keyconf, | |
2426 | struct ieee80211_sta *sta, | |
2427 | u32 iv32, u16 *phase1key) | |
ab885f8c | 2428 | { |
9f58671e | 2429 | struct iwl_priv *priv = hw->priv; |
ab885f8c | 2430 | |
5a3d9882 | 2431 | iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); |
ab885f8c EG |
2432 | } |
2433 | ||
2dedbf58 JB |
2434 | static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
2435 | struct ieee80211_vif *vif, | |
2436 | struct ieee80211_sta *sta, | |
2437 | struct ieee80211_key_conf *key) | |
b481de9c | 2438 | { |
c79dd5b5 | 2439 | struct iwl_priv *priv = hw->priv; |
a194e324 | 2440 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
c10afb6e | 2441 | struct iwl_rxon_context *ctx = vif_priv->ctx; |
42986796 | 2442 | int ret; |
42986796 | 2443 | bool is_default_wep_key = false; |
b481de9c | 2444 | |
e1623446 | 2445 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
b481de9c | 2446 | |
9d143e9a | 2447 | if (iwlagn_mod_params.sw_crypto) { |
e1623446 | 2448 | IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n"); |
b481de9c ZY |
2449 | return -EOPNOTSUPP; |
2450 | } | |
b481de9c | 2451 | |
274102a8 | 2452 | /* |
5a3d9882 JB |
2453 | * We could program these keys into the hardware as well, but we |
2454 | * don't expect much multicast traffic in IBSS and having keys | |
2455 | * for more stations is probably more useful. | |
2456 | * | |
2457 | * Mark key TX-only and return 0. | |
274102a8 JB |
2458 | */ |
2459 | if (vif->type == NL80211_IFTYPE_ADHOC && | |
5a3d9882 JB |
2460 | !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { |
2461 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2462 | return 0; | |
2463 | } | |
274102a8 | 2464 | |
5a3d9882 JB |
2465 | /* If they key was TX-only, accept deletion */ |
2466 | if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) | |
2467 | return 0; | |
b481de9c | 2468 | |
6ac2f839 | 2469 | mutex_lock(&priv->shrd->mutex); |
2a421b91 | 2470 | iwl_scan_cancel_timeout(priv, 100); |
6974e363 | 2471 | |
5a3d9882 JB |
2472 | BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); |
2473 | ||
a90178fa JB |
2474 | /* |
2475 | * If we are getting WEP group key and we didn't receive any key mapping | |
6974e363 EG |
2476 | * so far, we are in legacy wep mode (group key only), otherwise we are |
2477 | * in 1X mode. | |
a90178fa JB |
2478 | * In legacy wep mode, we use another host command to the uCode. |
2479 | */ | |
97359d12 | 2480 | if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || |
5a3d9882 | 2481 | key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) { |
6974e363 | 2482 | if (cmd == SET_KEY) |
c10afb6e | 2483 | is_default_wep_key = !ctx->key_mapping_keys; |
6974e363 | 2484 | else |
ccc038ab | 2485 | is_default_wep_key = |
5a3d9882 | 2486 | key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT; |
6974e363 | 2487 | } |
052c4b9f | 2488 | |
5a3d9882 | 2489 | |
b481de9c | 2490 | switch (cmd) { |
deb09c43 | 2491 | case SET_KEY: |
5a3d9882 | 2492 | if (is_default_wep_key) { |
2995bafa | 2493 | ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key); |
5a3d9882 JB |
2494 | break; |
2495 | } | |
2496 | ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta); | |
2497 | if (ret) { | |
2498 | /* | |
2499 | * can't add key for RX, but we don't need it | |
2500 | * in the device for TX so still return 0 | |
2501 | */ | |
2502 | ret = 0; | |
2503 | key->hw_key_idx = WEP_INVALID_OFFSET; | |
2504 | } | |
deb09c43 | 2505 | |
e1623446 | 2506 | IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n"); |
b481de9c ZY |
2507 | break; |
2508 | case DISABLE_KEY: | |
6974e363 | 2509 | if (is_default_wep_key) |
c10afb6e | 2510 | ret = iwl_remove_default_wep_key(priv, ctx, key); |
deb09c43 | 2511 | else |
5a3d9882 | 2512 | ret = iwl_remove_dynamic_key(priv, ctx, key, sta); |
deb09c43 | 2513 | |
e1623446 | 2514 | IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n"); |
b481de9c ZY |
2515 | break; |
2516 | default: | |
deb09c43 | 2517 | ret = -EINVAL; |
b481de9c ZY |
2518 | } |
2519 | ||
6ac2f839 | 2520 | mutex_unlock(&priv->shrd->mutex); |
e1623446 | 2521 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
b481de9c | 2522 | |
deb09c43 | 2523 | return ret; |
b481de9c ZY |
2524 | } |
2525 | ||
2dedbf58 JB |
2526 | static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, |
2527 | struct ieee80211_vif *vif, | |
2528 | enum ieee80211_ampdu_mlme_action action, | |
2529 | struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
2530 | u8 buf_size) | |
d783b061 TW |
2531 | { |
2532 | struct iwl_priv *priv = hw->priv; | |
4620fefa | 2533 | int ret = -EINVAL; |
7b090687 | 2534 | struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; |
d783b061 | 2535 | |
e1623446 | 2536 | IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", |
e174961c | 2537 | sta->addr, tid); |
d783b061 | 2538 | |
88950758 | 2539 | if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)) |
d783b061 TW |
2540 | return -EACCES; |
2541 | ||
6ac2f839 | 2542 | mutex_lock(&priv->shrd->mutex); |
4620fefa | 2543 | |
d783b061 TW |
2544 | switch (action) { |
2545 | case IEEE80211_AMPDU_RX_START: | |
e1623446 | 2546 | IWL_DEBUG_HT(priv, "start Rx\n"); |
4620fefa JB |
2547 | ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); |
2548 | break; | |
d783b061 | 2549 | case IEEE80211_AMPDU_RX_STOP: |
e1623446 | 2550 | IWL_DEBUG_HT(priv, "stop Rx\n"); |
619753ff | 2551 | ret = iwl_sta_rx_agg_stop(priv, sta, tid); |
63013ae3 | 2552 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa JB |
2553 | ret = 0; |
2554 | break; | |
d783b061 | 2555 | case IEEE80211_AMPDU_TX_START: |
e1623446 | 2556 | IWL_DEBUG_HT(priv, "start Tx\n"); |
619753ff | 2557 | ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); |
d5a0ffa3 | 2558 | if (ret == 0) { |
898ed67b WYG |
2559 | priv->agg_tids_count++; |
2560 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2561 | priv->agg_tids_count); | |
d5a0ffa3 | 2562 | } |
4620fefa | 2563 | break; |
d783b061 | 2564 | case IEEE80211_AMPDU_TX_STOP: |
e1623446 | 2565 | IWL_DEBUG_HT(priv, "stop Tx\n"); |
619753ff | 2566 | ret = iwlagn_tx_agg_stop(priv, vif, sta, tid); |
898ed67b WYG |
2567 | if ((ret == 0) && (priv->agg_tids_count > 0)) { |
2568 | priv->agg_tids_count--; | |
2569 | IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", | |
2570 | priv->agg_tids_count); | |
d5a0ffa3 | 2571 | } |
63013ae3 | 2572 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) |
4620fefa | 2573 | ret = 0; |
7cb1b088 WYG |
2574 | if (priv->cfg->ht_params && |
2575 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
94597ab2 JB |
2576 | /* |
2577 | * switch off RTS/CTS if it was previously enabled | |
2578 | */ | |
94597ab2 JB |
2579 | sta_priv->lq_sta.lq.general_params.flags &= |
2580 | ~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
7e6a5886 JB |
2581 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), |
2582 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
94597ab2 | 2583 | } |
4620fefa | 2584 | break; |
f0527971 | 2585 | case IEEE80211_AMPDU_TX_OPERATIONAL: |
c8823ec1 JB |
2586 | buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); |
2587 | ||
e6bb4c9c | 2588 | iwl_trans_txq_agg_setup(trans(priv), iwl_sta_id(sta), tid, |
41c50542 | 2589 | buf_size); |
c8823ec1 | 2590 | |
7b090687 JB |
2591 | /* |
2592 | * If the limit is 0, then it wasn't initialised yet, | |
2593 | * use the default. We can do that since we take the | |
2594 | * minimum below, and we don't want to go above our | |
2595 | * default due to hardware restrictions. | |
2596 | */ | |
2597 | if (sta_priv->max_agg_bufsize == 0) | |
2598 | sta_priv->max_agg_bufsize = | |
2599 | LINK_QUAL_AGG_FRAME_LIMIT_DEF; | |
2600 | ||
2601 | /* | |
2602 | * Even though in theory the peer could have different | |
2603 | * aggregation reorder buffer sizes for different sessions, | |
2604 | * our ucode doesn't allow for that and has a global limit | |
2605 | * for each station. Therefore, use the minimum of all the | |
2606 | * aggregation sessions and our default value. | |
2607 | */ | |
2608 | sta_priv->max_agg_bufsize = | |
2609 | min(sta_priv->max_agg_bufsize, buf_size); | |
2610 | ||
7cb1b088 WYG |
2611 | if (priv->cfg->ht_params && |
2612 | priv->cfg->ht_params->use_rts_for_aggregation) { | |
cfecc6b4 WYG |
2613 | /* |
2614 | * switch to RTS/CTS if it is the prefer protection | |
2615 | * method for HT traffic | |
2616 | */ | |
94597ab2 JB |
2617 | |
2618 | sta_priv->lq_sta.lq.general_params.flags |= | |
2619 | LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK; | |
cfecc6b4 | 2620 | } |
7b090687 JB |
2621 | |
2622 | sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit = | |
2623 | sta_priv->max_agg_bufsize; | |
2624 | ||
2625 | iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif), | |
2626 | &sta_priv->lq_sta.lq, CMD_ASYNC, false); | |
5bc9890f WYG |
2627 | |
2628 | IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n", | |
2629 | sta->addr, tid); | |
cfecc6b4 | 2630 | ret = 0; |
d783b061 TW |
2631 | break; |
2632 | } | |
6ac2f839 | 2633 | mutex_unlock(&priv->shrd->mutex); |
4620fefa JB |
2634 | |
2635 | return ret; | |
d783b061 | 2636 | } |
9f58671e | 2637 | |
2dedbf58 JB |
2638 | static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, |
2639 | struct ieee80211_vif *vif, | |
2640 | struct ieee80211_sta *sta) | |
fe6b23dd RC |
2641 | { |
2642 | struct iwl_priv *priv = hw->priv; | |
2643 | struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; | |
a194e324 | 2644 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
eafdfbd3 | 2645 | bool is_ap = vif->type == NL80211_IFTYPE_STATION; |
fe6b23dd RC |
2646 | int ret; |
2647 | u8 sta_id; | |
2648 | ||
2649 | IWL_DEBUG_INFO(priv, "received request to add station %pM\n", | |
2650 | sta->addr); | |
6ac2f839 | 2651 | mutex_lock(&priv->shrd->mutex); |
da5ae1cf RC |
2652 | IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", |
2653 | sta->addr); | |
2654 | sta_priv->common.sta_id = IWL_INVALID_STATION; | |
fe6b23dd RC |
2655 | |
2656 | atomic_set(&sta_priv->pending_frames, 0); | |
2657 | if (vif->type == NL80211_IFTYPE_AP) | |
2658 | sta_priv->client = true; | |
2659 | ||
a194e324 | 2660 | ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr, |
238d781d | 2661 | is_ap, sta, &sta_id); |
fe6b23dd RC |
2662 | if (ret) { |
2663 | IWL_ERR(priv, "Unable to add station %pM (%d)\n", | |
2664 | sta->addr, ret); | |
2665 | /* Should we return success if return code is EEXIST ? */ | |
6ac2f839 | 2666 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd RC |
2667 | return ret; |
2668 | } | |
2669 | ||
fd1af15d JB |
2670 | sta_priv->common.sta_id = sta_id; |
2671 | ||
fe6b23dd | 2672 | /* Initialize rate scaling */ |
91dd6c27 | 2673 | IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", |
fe6b23dd RC |
2674 | sta->addr); |
2675 | iwl_rs_rate_init(priv, sta, sta_id); | |
6ac2f839 | 2676 | mutex_unlock(&priv->shrd->mutex); |
fe6b23dd | 2677 | |
fd1af15d | 2678 | return 0; |
fe6b23dd RC |
2679 | } |
2680 | ||
2dedbf58 JB |
2681 | static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, |
2682 | struct ieee80211_channel_switch *ch_switch) | |
79d07325 WYG |
2683 | { |
2684 | struct iwl_priv *priv = hw->priv; | |
2685 | const struct iwl_channel_info *ch_info; | |
2686 | struct ieee80211_conf *conf = &hw->conf; | |
aa2dc6b5 | 2687 | struct ieee80211_channel *channel = ch_switch->channel; |
79d07325 | 2688 | struct iwl_ht_config *ht_conf = &priv->current_ht_config; |
246ed355 JB |
2689 | /* |
2690 | * MULTI-FIXME | |
2691 | * When we add support for multiple interfaces, we need to | |
2692 | * revisit this. The channel switch command in the device | |
2693 | * only affects the BSS context, but what does that really | |
2694 | * mean? And what if we get a CSA on the second interface? | |
2695 | * This needs a lot of work. | |
2696 | */ | |
2697 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; | |
79d07325 | 2698 | u16 ch; |
79d07325 WYG |
2699 | |
2700 | IWL_DEBUG_MAC80211(priv, "enter\n"); | |
2701 | ||
6ac2f839 | 2702 | mutex_lock(&priv->shrd->mutex); |
dc1a4068 | 2703 | |
845a9c0d | 2704 | if (iwl_is_rfkill(priv->shrd)) |
dc1a4068 | 2705 | goto out; |
79d07325 | 2706 | |
63013ae3 EG |
2707 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || |
2708 | test_bit(STATUS_SCANNING, &priv->shrd->status) || | |
2709 | test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) | |
dc1a4068 | 2710 | goto out; |
79d07325 | 2711 | |
246ed355 | 2712 | if (!iwl_is_associated_ctx(ctx)) |
dc1a4068 | 2713 | goto out; |
79d07325 | 2714 | |
90c300cb | 2715 | if (!priv->cfg->lib->set_channel_switch) |
f973f87e | 2716 | goto out; |
79d07325 | 2717 | |
f973f87e SG |
2718 | ch = channel->hw_value; |
2719 | if (le16_to_cpu(ctx->active.channel) == ch) | |
2720 | goto out; | |
2721 | ||
2722 | ch_info = iwl_get_channel_info(priv, channel->band, ch); | |
2723 | if (!is_channel_valid(ch_info)) { | |
2724 | IWL_DEBUG_MAC80211(priv, "invalid channel\n"); | |
2725 | goto out; | |
2726 | } | |
79d07325 | 2727 | |
10b15e6f | 2728 | spin_lock_irq(&priv->shrd->lock); |
79d07325 | 2729 | |
f973f87e | 2730 | priv->current_ht_config.smps = conf->smps_mode; |
79d07325 | 2731 | |
f973f87e SG |
2732 | /* Configure HT40 channels */ |
2733 | ctx->ht.enabled = conf_is_ht(conf); | |
2734 | if (ctx->ht.enabled) { | |
2735 | if (conf_is_ht40_minus(conf)) { | |
2736 | ctx->ht.extension_chan_offset = | |
2737 | IEEE80211_HT_PARAM_CHA_SEC_BELOW; | |
2738 | ctx->ht.is_40mhz = true; | |
2739 | } else if (conf_is_ht40_plus(conf)) { | |
2740 | ctx->ht.extension_chan_offset = | |
2741 | IEEE80211_HT_PARAM_CHA_SEC_ABOVE; | |
2742 | ctx->ht.is_40mhz = true; | |
2743 | } else { | |
2744 | ctx->ht.extension_chan_offset = | |
2745 | IEEE80211_HT_PARAM_CHA_SEC_NONE; | |
2746 | ctx->ht.is_40mhz = false; | |
79d07325 | 2747 | } |
f973f87e SG |
2748 | } else |
2749 | ctx->ht.is_40mhz = false; | |
2750 | ||
2751 | if ((le16_to_cpu(ctx->staging.channel) != ch)) | |
2752 | ctx->staging.flags = 0; | |
2753 | ||
2754 | iwl_set_rxon_channel(priv, channel, ctx); | |
2755 | iwl_set_rxon_ht(priv, ht_conf); | |
2756 | iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); | |
2757 | ||
10b15e6f | 2758 | spin_unlock_irq(&priv->shrd->lock); |
f973f87e SG |
2759 | |
2760 | iwl_set_rate(priv); | |
2761 | /* | |
2762 | * at this point, staging_rxon has the | |
2763 | * configuration for channel switch | |
2764 | */ | |
63013ae3 | 2765 | set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e | 2766 | priv->switch_channel = cpu_to_le16(ch); |
90c300cb | 2767 | if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) { |
63013ae3 | 2768 | clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); |
f973f87e SG |
2769 | priv->switch_channel = 0; |
2770 | ieee80211_chswitch_done(ctx->vif, false); | |
79d07325 | 2771 | } |
f973f87e | 2772 | |
79d07325 | 2773 | out: |
6ac2f839 | 2774 | mutex_unlock(&priv->shrd->mutex); |
79d07325 WYG |
2775 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2776 | } | |
2777 | ||
2dedbf58 JB |
2778 | static void iwlagn_configure_filter(struct ieee80211_hw *hw, |
2779 | unsigned int changed_flags, | |
2780 | unsigned int *total_flags, | |
2781 | u64 multicast) | |
8b8ab9d5 JB |
2782 | { |
2783 | struct iwl_priv *priv = hw->priv; | |
2784 | __le32 filter_or = 0, filter_nand = 0; | |
246ed355 | 2785 | struct iwl_rxon_context *ctx; |
8b8ab9d5 JB |
2786 | |
2787 | #define CHK(test, flag) do { \ | |
2788 | if (*total_flags & (test)) \ | |
2789 | filter_or |= (flag); \ | |
2790 | else \ | |
2791 | filter_nand |= (flag); \ | |
2792 | } while (0) | |
2793 | ||
2794 | IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n", | |
2795 | changed_flags, *total_flags); | |
2796 | ||
2797 | CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK); | |
bdb84fec JB |
2798 | /* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */ |
2799 | CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK); | |
8b8ab9d5 JB |
2800 | CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK); |
2801 | ||
2802 | #undef CHK | |
2803 | ||
6ac2f839 | 2804 | mutex_lock(&priv->shrd->mutex); |
8b8ab9d5 | 2805 | |
246ed355 JB |
2806 | for_each_context(priv, ctx) { |
2807 | ctx->staging.filter_flags &= ~filter_nand; | |
2808 | ctx->staging.filter_flags |= filter_or; | |
749ff4ef SG |
2809 | |
2810 | /* | |
2811 | * Not committing directly because hardware can perform a scan, | |
2812 | * but we'll eventually commit the filter flags change anyway. | |
2813 | */ | |
246ed355 | 2814 | } |
8b8ab9d5 | 2815 | |
6ac2f839 | 2816 | mutex_unlock(&priv->shrd->mutex); |
8b8ab9d5 JB |
2817 | |
2818 | /* | |
2819 | * Receiving all multicast frames is always enabled by the | |
2820 | * default flags setup in iwl_connection_init_rx_config() | |
2821 | * since we currently do not support programming multicast | |
2822 | * filters into the device. | |
2823 | */ | |
2824 | *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | | |
2825 | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; | |
2826 | } | |
2827 | ||
2dedbf58 | 2828 | static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) |
716c74b0 WYG |
2829 | { |
2830 | struct iwl_priv *priv = hw->priv; | |
2831 | ||
6ac2f839 | 2832 | mutex_lock(&priv->shrd->mutex); |
716c74b0 WYG |
2833 | IWL_DEBUG_MAC80211(priv, "enter\n"); |
2834 | ||
63013ae3 | 2835 | if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { |
716c74b0 WYG |
2836 | IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); |
2837 | goto done; | |
2838 | } | |
845a9c0d | 2839 | if (iwl_is_rfkill(priv->shrd)) { |
716c74b0 WYG |
2840 | IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); |
2841 | goto done; | |
2842 | } | |
2843 | ||
2844 | /* | |
2845 | * mac80211 will not push any more frames for transmit | |
2846 | * until the flush is completed | |
2847 | */ | |
2848 | if (drop) { | |
2849 | IWL_DEBUG_MAC80211(priv, "send flush command\n"); | |
c68744fb | 2850 | if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { |
716c74b0 WYG |
2851 | IWL_ERR(priv, "flush request fail\n"); |
2852 | goto done; | |
2853 | } | |
2854 | } | |
2855 | IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); | |
2856 | iwlagn_wait_tx_queue_empty(priv); | |
2857 | done: | |
6ac2f839 | 2858 | mutex_unlock(&priv->shrd->mutex); |
716c74b0 WYG |
2859 | IWL_DEBUG_MAC80211(priv, "leave\n"); |
2860 | } | |
2861 | ||
c6baf7fb | 2862 | void iwlagn_disable_roc(struct iwl_priv *priv) |
9b9190d9 JB |
2863 | { |
2864 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; | |
9b9190d9 | 2865 | |
6ac2f839 | 2866 | lockdep_assert_held(&priv->shrd->mutex); |
9b9190d9 | 2867 | |
c6baf7fb | 2868 | if (!priv->hw_roc_setup) |
9b9190d9 JB |
2869 | return; |
2870 | ||
c6baf7fb | 2871 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
9b9190d9 | 2872 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
9b9190d9 | 2873 | |
898ed67b | 2874 | priv->hw_roc_channel = NULL; |
9b9190d9 | 2875 | |
c6baf7fb JB |
2876 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
2877 | ||
805a3b81 | 2878 | iwlagn_commit_rxon(priv, ctx); |
9b9190d9 JB |
2879 | |
2880 | ctx->is_active = false; | |
c6baf7fb | 2881 | priv->hw_roc_setup = false; |
9b9190d9 JB |
2882 | } |
2883 | ||
c6baf7fb | 2884 | static void iwlagn_disable_roc_work(struct work_struct *work) |
9b9190d9 JB |
2885 | { |
2886 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
c6baf7fb | 2887 | hw_roc_disable_work.work); |
9b9190d9 | 2888 | |
6ac2f839 | 2889 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2890 | iwlagn_disable_roc(priv); |
6ac2f839 | 2891 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2892 | } |
2893 | ||
2894 | static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw, | |
2895 | struct ieee80211_channel *channel, | |
2896 | enum nl80211_channel_type channel_type, | |
2897 | int duration) | |
2898 | { | |
2899 | struct iwl_priv *priv = hw->priv; | |
c6baf7fb | 2900 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
9b9190d9 JB |
2901 | int err = 0; |
2902 | ||
2903 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) | |
2904 | return -EOPNOTSUPP; | |
2905 | ||
c6baf7fb | 2906 | if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT))) |
9b9190d9 JB |
2907 | return -EOPNOTSUPP; |
2908 | ||
6ac2f839 | 2909 | mutex_lock(&priv->shrd->mutex); |
9b9190d9 | 2910 | |
c6baf7fb JB |
2911 | /* |
2912 | * TODO: Remove this hack! Firmware needs to be updated | |
2913 | * to allow longer off-channel periods in scanning for | |
2914 | * this use case, based on a flag (and we'll need an API | |
2915 | * flag in the firmware when it has that). | |
2916 | */ | |
2917 | if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && duration > 80) | |
2918 | duration = 80; | |
2919 | ||
63013ae3 | 2920 | if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { |
9b9190d9 JB |
2921 | err = -EBUSY; |
2922 | goto out; | |
2923 | } | |
2924 | ||
898ed67b WYG |
2925 | priv->hw_roc_channel = channel; |
2926 | priv->hw_roc_chantype = channel_type; | |
c6baf7fb JB |
2927 | priv->hw_roc_duration = duration; |
2928 | cancel_delayed_work(&priv->hw_roc_disable_work); | |
2929 | ||
2930 | if (!ctx->is_active) { | |
2931 | ctx->is_active = true; | |
2932 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; | |
2933 | memcpy(ctx->staging.node_addr, | |
2934 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2935 | ETH_ALEN); | |
2936 | memcpy(ctx->staging.bssid_addr, | |
2937 | priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr, | |
2938 | ETH_ALEN); | |
2939 | err = iwlagn_commit_rxon(priv, ctx); | |
2940 | if (err) | |
2941 | goto out; | |
2942 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK | | |
2943 | RXON_FILTER_PROMISC_MSK | | |
2944 | RXON_FILTER_CTL2HOST_MSK; | |
2945 | ||
2946 | err = iwlagn_commit_rxon(priv, ctx); | |
2947 | if (err) { | |
2948 | iwlagn_disable_roc(priv); | |
2949 | goto out; | |
2950 | } | |
2951 | priv->hw_roc_setup = true; | |
2952 | } | |
9b9190d9 | 2953 | |
c6baf7fb JB |
2954 | err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band); |
2955 | if (err) | |
2956 | iwlagn_disable_roc(priv); | |
9b9190d9 JB |
2957 | |
2958 | out: | |
6ac2f839 | 2959 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2960 | |
2961 | return err; | |
2962 | } | |
2963 | ||
2964 | static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) | |
2965 | { | |
2966 | struct iwl_priv *priv = hw->priv; | |
2967 | ||
2968 | if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) | |
2969 | return -EOPNOTSUPP; | |
2970 | ||
6ac2f839 | 2971 | mutex_lock(&priv->shrd->mutex); |
c6baf7fb | 2972 | iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); |
9b9190d9 | 2973 | iwlagn_disable_roc(priv); |
6ac2f839 | 2974 | mutex_unlock(&priv->shrd->mutex); |
9b9190d9 JB |
2975 | |
2976 | return 0; | |
2977 | } | |
2978 | ||
b481de9c ZY |
2979 | /***************************************************************************** |
2980 | * | |
2981 | * driver setup and teardown | |
2982 | * | |
2983 | *****************************************************************************/ | |
2984 | ||
4e39317d | 2985 | static void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 2986 | { |
74e28e44 | 2987 | priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c ZY |
2988 | |
2989 | init_waitqueue_head(&priv->wait_command_queue); | |
2990 | ||
5b9f8cd3 | 2991 | INIT_WORK(&priv->restart, iwl_bg_restart); |
5b9f8cd3 | 2992 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); |
16e727e8 | 2993 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); |
65550636 | 2994 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); |
bee008b7 | 2995 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); |
fbba9410 | 2996 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); |
c6baf7fb JB |
2997 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, |
2998 | iwlagn_disable_roc_work); | |
2a421b91 | 2999 | |
2a421b91 | 3000 | iwl_setup_scan_deferred_work(priv); |
bb8c093b | 3001 | |
6bd4dba3 EG |
3002 | if (priv->cfg->lib->bt_setup_deferred_work) |
3003 | priv->cfg->lib->bt_setup_deferred_work(priv); | |
4e39317d EG |
3004 | |
3005 | init_timer(&priv->statistics_periodic); | |
3006 | priv->statistics_periodic.data = (unsigned long)priv; | |
5b9f8cd3 | 3007 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; |
b481de9c | 3008 | |
a9e1cb6a WYG |
3009 | init_timer(&priv->ucode_trace); |
3010 | priv->ucode_trace.data = (unsigned long)priv; | |
3011 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
3012 | ||
22de94de SG |
3013 | init_timer(&priv->watchdog); |
3014 | priv->watchdog.data = (unsigned long)priv; | |
3015 | priv->watchdog.function = iwl_bg_watchdog; | |
b481de9c ZY |
3016 | } |
3017 | ||
4e39317d | 3018 | static void iwl_cancel_deferred_work(struct iwl_priv *priv) |
b481de9c | 3019 | { |
90c300cb WYG |
3020 | if (priv->cfg->lib->cancel_deferred_work) |
3021 | priv->cfg->lib->cancel_deferred_work(priv); | |
b481de9c | 3022 | |
815e629b | 3023 | cancel_work_sync(&priv->run_time_calib_work); |
b481de9c | 3024 | cancel_work_sync(&priv->beacon_update); |
e7e16b90 SG |
3025 | |
3026 | iwl_cancel_scan_deferred_work(priv); | |
3027 | ||
bee008b7 | 3028 | cancel_work_sync(&priv->bt_full_concurrency); |
fbba9410 | 3029 | cancel_work_sync(&priv->bt_runtime_config); |
c6baf7fb | 3030 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); |
e7e16b90 | 3031 | |
4e39317d | 3032 | del_timer_sync(&priv->statistics_periodic); |
a9e1cb6a | 3033 | del_timer_sync(&priv->ucode_trace); |
b481de9c ZY |
3034 | } |
3035 | ||
89f186a8 RC |
3036 | static void iwl_init_hw_rates(struct iwl_priv *priv, |
3037 | struct ieee80211_rate *rates) | |
3038 | { | |
3039 | int i; | |
3040 | ||
3041 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { | |
3042 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
3043 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
3044 | rates[i].hw_value_short = i; | |
3045 | rates[i].flags = 0; | |
3046 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
3047 | /* | |
3048 | * If CCK != 1M then set short preamble rate flag. | |
3049 | */ | |
3050 | rates[i].flags |= | |
3051 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
3052 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
3053 | } | |
3054 | } | |
3055 | } | |
3056 | ||
3057 | static int iwl_init_drv(struct iwl_priv *priv) | |
3058 | { | |
3059 | int ret; | |
3060 | ||
f39c95e8 | 3061 | spin_lock_init(&priv->shrd->sta_lock); |
89f186a8 | 3062 | |
6ac2f839 | 3063 | mutex_init(&priv->shrd->mutex); |
89f186a8 | 3064 | |
89f186a8 RC |
3065 | priv->ieee_channels = NULL; |
3066 | priv->ieee_rates = NULL; | |
3067 | priv->band = IEEE80211_BAND_2GHZ; | |
3068 | ||
3069 | priv->iw_mode = NL80211_IFTYPE_STATION; | |
ba37a3d0 | 3070 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; |
a13d276f | 3071 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; |
898ed67b | 3072 | priv->agg_tids_count = 0; |
89f186a8 | 3073 | |
8a472da4 WYG |
3074 | /* initialize force reset */ |
3075 | priv->force_reset[IWL_RF_RESET].reset_duration = | |
3076 | IWL_DELAY_NEXT_FORCE_RF_RESET; | |
3077 | priv->force_reset[IWL_FW_RESET].reset_duration = | |
3078 | IWL_DELAY_NEXT_FORCE_FW_RELOAD; | |
89f186a8 | 3079 | |
410f2bb3 SG |
3080 | priv->rx_statistics_jiffies = jiffies; |
3081 | ||
89f186a8 | 3082 | /* Choose which receivers/antennas to use */ |
e3f10cea | 3083 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); |
89f186a8 RC |
3084 | |
3085 | iwl_init_scan_params(priv); | |
3086 | ||
22bf59a0 | 3087 | /* init bt coex */ |
7cb1b088 WYG |
3088 | if (priv->cfg->bt_params && |
3089 | priv->cfg->bt_params->advanced_bt_coexist) { | |
b6e116e8 WYG |
3090 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
3091 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
3092 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
22bf59a0 WYG |
3093 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; |
3094 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
3095 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
22bf59a0 WYG |
3096 | } |
3097 | ||
89f186a8 RC |
3098 | ret = iwl_init_channel_map(priv); |
3099 | if (ret) { | |
3100 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); | |
3101 | goto err; | |
3102 | } | |
3103 | ||
b39488a9 | 3104 | ret = iwl_init_geos(priv); |
89f186a8 RC |
3105 | if (ret) { |
3106 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
3107 | goto err_free_channel_map; | |
3108 | } | |
3109 | iwl_init_hw_rates(priv, priv->ieee_rates); | |
3110 | ||
3111 | return 0; | |
3112 | ||
3113 | err_free_channel_map: | |
3114 | iwl_free_channel_map(priv); | |
3115 | err: | |
3116 | return ret; | |
3117 | } | |
3118 | ||
3119 | static void iwl_uninit_drv(struct iwl_priv *priv) | |
3120 | { | |
3121 | iwl_calib_free_results(priv); | |
b39488a9 | 3122 | iwl_free_geos(priv); |
89f186a8 | 3123 | iwl_free_channel_map(priv); |
811ecc99 | 3124 | kfree(priv->scan_cmd); |
4ce7cc2b | 3125 | kfree(priv->beacon_cmd); |
c8ac61cf JB |
3126 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
3127 | kfree(priv->wowlan_sram); | |
3128 | #endif | |
89f186a8 RC |
3129 | } |
3130 | ||
3a3b14c2 | 3131 | static void iwl_mac_rssi_callback(struct ieee80211_hw *hw, |
207ecc5e MV |
3132 | enum ieee80211_rssi_event rssi_event) |
3133 | { | |
3134 | struct iwl_priv *priv = hw->priv; | |
3135 | ||
6ac2f839 | 3136 | mutex_lock(&priv->shrd->mutex); |
207ecc5e MV |
3137 | |
3138 | if (priv->cfg->bt_params && | |
3139 | priv->cfg->bt_params->advanced_bt_coexist) { | |
3140 | if (rssi_event == RSSI_EVENT_LOW) | |
3141 | priv->bt_enable_pspoll = true; | |
3142 | else if (rssi_event == RSSI_EVENT_HIGH) | |
3143 | priv->bt_enable_pspoll = false; | |
3144 | ||
3145 | iwlagn_send_advance_bt_config(priv); | |
3146 | } else { | |
3147 | IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled," | |
3148 | "ignoring RSSI callback\n"); | |
3149 | } | |
3150 | ||
6ac2f839 | 3151 | mutex_unlock(&priv->shrd->mutex); |
207ecc5e MV |
3152 | } |
3153 | ||
dc21b545 | 3154 | struct ieee80211_ops iwlagn_hw_ops = { |
2295c66b JB |
3155 | .tx = iwlagn_mac_tx, |
3156 | .start = iwlagn_mac_start, | |
3157 | .stop = iwlagn_mac_stop, | |
26293133 | 3158 | #ifdef CONFIG_PM |
c8ac61cf JB |
3159 | .suspend = iwlagn_mac_suspend, |
3160 | .resume = iwlagn_mac_resume, | |
26293133 | 3161 | #endif |
5b9f8cd3 EG |
3162 | .add_interface = iwl_mac_add_interface, |
3163 | .remove_interface = iwl_mac_remove_interface, | |
d4daaea6 | 3164 | .change_interface = iwl_mac_change_interface, |
2295c66b | 3165 | .config = iwlagn_mac_config, |
8b8ab9d5 | 3166 | .configure_filter = iwlagn_configure_filter, |
2295c66b JB |
3167 | .set_key = iwlagn_mac_set_key, |
3168 | .update_tkip_key = iwlagn_mac_update_tkip_key, | |
c8ac61cf | 3169 | .set_rekey_data = iwlagn_mac_set_rekey_data, |
5b9f8cd3 | 3170 | .conf_tx = iwl_mac_conf_tx, |
2295c66b JB |
3171 | .bss_info_changed = iwlagn_bss_info_changed, |
3172 | .ampdu_action = iwlagn_mac_ampdu_action, | |
6ab10ff8 | 3173 | .hw_scan = iwl_mac_hw_scan, |
2295c66b | 3174 | .sta_notify = iwlagn_mac_sta_notify, |
fe6b23dd RC |
3175 | .sta_add = iwlagn_mac_sta_add, |
3176 | .sta_remove = iwl_mac_sta_remove, | |
2295c66b JB |
3177 | .channel_switch = iwlagn_mac_channel_switch, |
3178 | .flush = iwlagn_mac_flush, | |
a85d7cca | 3179 | .tx_last_beacon = iwl_mac_tx_last_beacon, |
9b9190d9 JB |
3180 | .remain_on_channel = iwl_mac_remain_on_channel, |
3181 | .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel, | |
207ecc5e | 3182 | .rssi_callback = iwl_mac_rssi_callback, |
4613e72d | 3183 | CFG80211_TESTMODE_CMD(iwl_testmode_cmd) |
eb64dca0 | 3184 | CFG80211_TESTMODE_DUMP(iwl_testmode_dump) |
b481de9c ZY |
3185 | }; |
3186 | ||
e98a1302 | 3187 | static u32 iwl_hw_detect(struct iwl_priv *priv) |
3867fe04 | 3188 | { |
02a7fa00 | 3189 | return iwl_read32(priv, CSR_HW_REV); |
3867fe04 WYG |
3190 | } |
3191 | ||
07d4f1ad WYG |
3192 | static int iwl_set_hw_params(struct iwl_priv *priv) |
3193 | { | |
d6189124 EG |
3194 | hw_params(priv).max_rxq_size = RX_QUEUE_SIZE; |
3195 | hw_params(priv).max_rxq_log = RX_QUEUE_SIZE_LOG; | |
9d143e9a | 3196 | if (iwlagn_mod_params.amsdu_size_8K) |
d6189124 EG |
3197 | hw_params(priv).rx_page_order = |
3198 | get_order(IWL_RX_BUF_SIZE_8K); | |
07d4f1ad | 3199 | else |
d6189124 EG |
3200 | hw_params(priv).rx_page_order = |
3201 | get_order(IWL_RX_BUF_SIZE_4K); | |
07d4f1ad | 3202 | |
d6189124 | 3203 | hw_params(priv).max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL; |
07d4f1ad | 3204 | |
9d143e9a | 3205 | if (iwlagn_mod_params.disable_11n) |
88950758 | 3206 | priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad WYG |
3207 | |
3208 | /* Device-specific setup */ | |
90c300cb | 3209 | return priv->cfg->lib->set_hw_params(priv); |
07d4f1ad WYG |
3210 | } |
3211 | ||
119ea186 WYG |
3212 | /* This function both allocates and initializes hw and priv. */ |
3213 | static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg) | |
3214 | { | |
3215 | struct iwl_priv *priv; | |
3216 | /* mac80211 allocates memory for this device instance, including | |
3217 | * space for this driver's private structure */ | |
3218 | struct ieee80211_hw *hw; | |
3219 | ||
3220 | hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); | |
3221 | if (hw == NULL) { | |
3222 | pr_err("%s: Can not allocate network device\n", | |
3223 | cfg->name); | |
3224 | goto out; | |
3225 | } | |
3226 | ||
3227 | priv = hw->priv; | |
3228 | priv->hw = hw; | |
3229 | ||
3230 | out: | |
3231 | return hw; | |
3232 | } | |
3233 | ||
e6bb4c9c EG |
3234 | int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, |
3235 | struct iwl_cfg *cfg) | |
b2ea345e WYG |
3236 | { |
3237 | int err = 0; | |
3238 | struct iwl_priv *priv; | |
3239 | struct ieee80211_hw *hw; | |
084dd791 | 3240 | u16 num_mac; |
b2ea345e WYG |
3241 | u32 hw_rev; |
3242 | ||
3243 | /************************ | |
3244 | * 1. Allocating HW data | |
3245 | ************************/ | |
b2ea345e WYG |
3246 | hw = iwl_alloc_all(cfg); |
3247 | if (!hw) { | |
3248 | err = -ENOMEM; | |
807caf26 EG |
3249 | goto out; |
3250 | } | |
3251 | ||
b2ea345e | 3252 | priv = hw->priv; |
d5934110 | 3253 | priv->bus = bus; |
cac988a6 EG |
3254 | priv->shrd = &priv->_shrd; |
3255 | priv->shrd->bus = bus; | |
3256 | priv->shrd->priv = priv; | |
3257 | bus_set_drv_data(priv->bus, priv->shrd); | |
a48709c5 | 3258 | |
e6bb4c9c EG |
3259 | priv->shrd->trans = trans_ops->alloc(priv->shrd); |
3260 | if (priv->shrd->trans == NULL) { | |
3261 | err = -ENOMEM; | |
3262 | goto out_free_traffic_mem; | |
3263 | } | |
3264 | ||
b2ea345e | 3265 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 3266 | |
d5934110 | 3267 | SET_IEEE80211_DEV(hw, priv->bus->dev); |
b481de9c | 3268 | |
e1623446 | 3269 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
82b9a121 | 3270 | priv->cfg = cfg; |
316c30d9 | 3271 | |
bee008b7 WYG |
3272 | /* is antenna coupling more than 35dB ? */ |
3273 | priv->bt_ant_couple_ok = | |
48f20d35 EG |
3274 | (iwlagn_mod_params.ant_coupling > |
3275 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? | |
3276 | true : false; | |
bee008b7 | 3277 | |
9f28ebc3 | 3278 | /* enable/disable bt channel inhibition */ |
48f20d35 | 3279 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
3280 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
3281 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 3282 | |
20594eb0 WYG |
3283 | if (iwl_alloc_traffic_mem(priv)) |
3284 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); | |
b481de9c | 3285 | |
731a29b7 | 3286 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
3287 | * we should init now |
3288 | */ | |
3289 | spin_lock_init(&priv->reg_lock); | |
10b15e6f | 3290 | spin_lock_init(&priv->shrd->lock); |
4843b5a7 RC |
3291 | |
3292 | /* | |
3293 | * stop and reset the on-board processor just in case it is in a | |
3294 | * strange state ... like being left stranded by a primary kernel | |
3295 | * and this is now the kdump kernel trying to start up | |
3296 | */ | |
3297 | iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); | |
3298 | ||
084dd791 EG |
3299 | /*********************** |
3300 | * 3. Read REV register | |
3301 | ***********************/ | |
e98a1302 | 3302 | hw_rev = iwl_hw_detect(priv); |
c11362c0 | 3303 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
e98a1302 | 3304 | priv->cfg->name, hw_rev); |
316c30d9 | 3305 | |
e6bb4c9c | 3306 | err = iwl_trans_request_irq(trans(priv)); |
1e89cbac | 3307 | if (err) |
e6bb4c9c | 3308 | goto out_free_trans; |
1e89cbac | 3309 | |
e6bb4c9c | 3310 | if (iwl_trans_prepare_card_hw(trans(priv))) { |
bcd4fe2f | 3311 | err = -EIO; |
086ed117 | 3312 | IWL_WARN(priv, "Failed, HW not ready\n"); |
1e89cbac | 3313 | goto out_free_trans; |
086ed117 MA |
3314 | } |
3315 | ||
91238714 TW |
3316 | /***************** |
3317 | * 4. Read EEPROM | |
3318 | *****************/ | |
316c30d9 | 3319 | /* Read the EEPROM */ |
e98a1302 | 3320 | err = iwl_eeprom_init(priv, hw_rev); |
316c30d9 | 3321 | if (err) { |
15b1687c | 3322 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
1e89cbac | 3323 | goto out_free_trans; |
316c30d9 | 3324 | } |
8614f360 TW |
3325 | err = iwl_eeprom_check_version(priv); |
3326 | if (err) | |
c8f16138 | 3327 | goto out_free_eeprom; |
8614f360 | 3328 | |
21a5b3c6 WYG |
3329 | err = iwl_eeprom_check_sku(priv); |
3330 | if (err) | |
3331 | goto out_free_eeprom; | |
3332 | ||
02883017 | 3333 | /* extract MAC Address */ |
c6fa17ed WYG |
3334 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
3335 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); | |
3336 | priv->hw->wiphy->addresses = priv->addresses; | |
3337 | priv->hw->wiphy->n_addresses = 1; | |
3338 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); | |
3339 | if (num_mac > 1) { | |
3340 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
3341 | ETH_ALEN); | |
3342 | priv->addresses[1].addr[5]++; | |
3343 | priv->hw->wiphy->n_addresses++; | |
3344 | } | |
316c30d9 AK |
3345 | |
3346 | /************************ | |
3347 | * 5. Setup HW constants | |
3348 | ************************/ | |
da154e30 | 3349 | if (iwl_set_hw_params(priv)) { |
084dd791 | 3350 | err = -ENOENT; |
15b1687c | 3351 | IWL_ERR(priv, "failed to set hw parameters\n"); |
073d3f5f | 3352 | goto out_free_eeprom; |
316c30d9 AK |
3353 | } |
3354 | ||
3355 | /******************* | |
6ba87956 | 3356 | * 6. Setup priv |
316c30d9 | 3357 | *******************/ |
b481de9c | 3358 | |
6ba87956 | 3359 | err = iwl_init_drv(priv); |
bf85ea4f | 3360 | if (err) |
399f4900 | 3361 | goto out_free_eeprom; |
bf85ea4f | 3362 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 3363 | |
316c30d9 | 3364 | /******************** |
09f9bf79 | 3365 | * 7. Setup services |
316c30d9 | 3366 | ********************/ |
4e39317d | 3367 | iwl_setup_deferred_work(priv); |
653fa4a0 | 3368 | iwl_setup_rx_handlers(priv); |
4613e72d | 3369 | iwl_testmode_init(priv); |
316c30d9 | 3370 | |
158bea07 | 3371 | /********************************************* |
084dd791 | 3372 | * 8. Enable interrupts |
158bea07 | 3373 | *********************************************/ |
6ba87956 | 3374 | |
554d1d02 | 3375 | iwl_enable_rfkill_int(priv); |
6cd0b1cb | 3376 | |
6cd0b1cb HS |
3377 | /* If platform's RF_KILL switch is NOT set to KILL */ |
3378 | if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) | |
63013ae3 | 3379 | clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6cd0b1cb | 3380 | else |
63013ae3 | 3381 | set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); |
6ba87956 | 3382 | |
a60e77e5 | 3383 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, |
63013ae3 | 3384 | test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); |
6cd0b1cb | 3385 | |
58d0f361 | 3386 | iwl_power_initialize(priv); |
39b73fb1 | 3387 | iwl_tt_initialize(priv); |
158bea07 | 3388 | |
898ed67b | 3389 | init_completion(&priv->firmware_loading_complete); |
562db532 | 3390 | |
b08dfd04 | 3391 | err = iwl_request_firmware(priv, true); |
158bea07 | 3392 | if (err) |
7d47618a | 3393 | goto out_destroy_workqueue; |
158bea07 | 3394 | |
b481de9c ZY |
3395 | return 0; |
3396 | ||
34c1b7ba | 3397 | out_destroy_workqueue: |
74e28e44 EG |
3398 | destroy_workqueue(priv->shrd->workqueue); |
3399 | priv->shrd->workqueue = NULL; | |
6ba87956 | 3400 | iwl_uninit_drv(priv); |
34c1b7ba | 3401 | out_free_eeprom: |
073d3f5f | 3402 | iwl_eeprom_free(priv); |
1e89cbac | 3403 | out_free_trans: |
e6bb4c9c | 3404 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3405 | out_free_traffic_mem: |
20594eb0 | 3406 | iwl_free_traffic_mem(priv); |
d7c76f4c | 3407 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 3408 | out: |
b481de9c ZY |
3409 | return err; |
3410 | } | |
3411 | ||
a48709c5 | 3412 | void __devexit iwl_remove(struct iwl_priv * priv) |
b481de9c | 3413 | { |
898ed67b | 3414 | wait_for_completion(&priv->firmware_loading_complete); |
562db532 | 3415 | |
e1623446 | 3416 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 3417 | |
67249625 | 3418 | iwl_dbgfs_unregister(priv); |
d5934110 | 3419 | sysfs_remove_group(&priv->bus->dev->kobj, |
3599d39a | 3420 | &iwl_attribute_group); |
67249625 | 3421 | |
5b9f8cd3 EG |
3422 | /* ieee80211_unregister_hw call wil cause iwl_mac_stop to |
3423 | * to be called and iwl_down since we are removing the device | |
0b124c31 GG |
3424 | * we need to set STATUS_EXIT_PENDING bit. |
3425 | */ | |
63013ae3 | 3426 | set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); |
5ed540ae | 3427 | |
7a4e5281 | 3428 | iwl_testmode_cleanup(priv); |
5ed540ae WYG |
3429 | iwl_leds_exit(priv); |
3430 | ||
c4f55232 RR |
3431 | if (priv->mac80211_registered) { |
3432 | ieee80211_unregister_hw(priv->hw); | |
3433 | priv->mac80211_registered = 0; | |
3434 | } | |
3435 | ||
1a10f433 | 3436 | /* Reset to low power before unloading driver. */ |
14e8e4af | 3437 | iwl_apm_stop(priv); |
c166b25a | 3438 | |
39b73fb1 WYG |
3439 | iwl_tt_exit(priv); |
3440 | ||
0359facc | 3441 | /* make sure we flush any pending irq or |
0c325769 EG |
3442 | * tasklet for the driver */ |
3443 | iwl_trans_disable_sync_irq(trans(priv)); | |
0359facc | 3444 | |
3599d39a | 3445 | iwl_dealloc_ucode(priv); |
b481de9c | 3446 | |
e6bb4c9c EG |
3447 | iwl_trans_rx_free(trans(priv)); |
3448 | iwl_trans_tx_free(trans(priv)); | |
b481de9c | 3449 | |
073d3f5f | 3450 | iwl_eeprom_free(priv); |
b481de9c | 3451 | |
948c171c | 3452 | /*netif_stop_queue(dev); */ |
74e28e44 | 3453 | flush_workqueue(priv->shrd->workqueue); |
948c171c | 3454 | |
5b9f8cd3 | 3455 | /* ieee80211_unregister_hw calls iwl_mac_stop, which flushes |
74e28e44 | 3456 | * priv->shrd->workqueue... so we can't take down the workqueue |
b481de9c | 3457 | * until now... */ |
74e28e44 EG |
3458 | destroy_workqueue(priv->shrd->workqueue); |
3459 | priv->shrd->workqueue = NULL; | |
20594eb0 | 3460 | iwl_free_traffic_mem(priv); |
b481de9c | 3461 | |
e6bb4c9c | 3462 | iwl_trans_free(trans(priv)); |
34c1b7ba | 3463 | |
d5934110 | 3464 | bus_set_drv_data(priv->bus, NULL); |
b481de9c | 3465 | |
6ba87956 | 3466 | iwl_uninit_drv(priv); |
b481de9c | 3467 | |
77834543 | 3468 | dev_kfree_skb(priv->beacon_skb); |
b481de9c ZY |
3469 | |
3470 | ieee80211_free_hw(priv->hw); | |
3471 | } | |
3472 | ||
b481de9c ZY |
3473 | |
3474 | /***************************************************************************** | |
3475 | * | |
3476 | * driver and module entry point | |
3477 | * | |
3478 | *****************************************************************************/ | |
5b9f8cd3 | 3479 | static int __init iwl_init(void) |
b481de9c ZY |
3480 | { |
3481 | ||
3482 | int ret; | |
c96c31e4 JP |
3483 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
3484 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 3485 | |
e227ceac | 3486 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 3487 | if (ret) { |
c96c31e4 | 3488 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
897e1cf2 RC |
3489 | return ret; |
3490 | } | |
3491 | ||
48d1a211 | 3492 | ret = iwl_pci_register_driver(); |
b481de9c | 3493 | |
48d1a211 EG |
3494 | if (ret) |
3495 | goto error_register; | |
b481de9c | 3496 | return ret; |
897e1cf2 | 3497 | |
897e1cf2 | 3498 | error_register: |
e227ceac | 3499 | iwlagn_rate_control_unregister(); |
897e1cf2 | 3500 | return ret; |
b481de9c ZY |
3501 | } |
3502 | ||
5b9f8cd3 | 3503 | static void __exit iwl_exit(void) |
b481de9c | 3504 | { |
48d1a211 | 3505 | iwl_pci_unregister_driver(); |
e227ceac | 3506 | iwlagn_rate_control_unregister(); |
b481de9c ZY |
3507 | } |
3508 | ||
5b9f8cd3 EG |
3509 | module_exit(iwl_exit); |
3510 | module_init(iwl_init); | |
a562a9dd RC |
3511 | |
3512 | #ifdef CONFIG_IWLWIFI_DEBUG | |
48f20d35 EG |
3513 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
3514 | S_IRUGO | S_IWUSR); | |
a562a9dd RC |
3515 | MODULE_PARM_DESC(debug, "debug output mask"); |
3516 | #endif | |
3517 | ||
2b068618 WYG |
3518 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
3519 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
2b068618 WYG |
3520 | module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); |
3521 | MODULE_PARM_DESC(queues_num, "number of hw queues."); | |
2b068618 WYG |
3522 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO); |
3523 | MODULE_PARM_DESC(11n_disable, "disable 11n functionality"); | |
2b068618 WYG |
3524 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
3525 | int, S_IRUGO); | |
3526 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
2b068618 WYG |
3527 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
3528 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
dd7a2509 | 3529 | |
48f20d35 EG |
3530 | module_param_named(ucode_alternative, |
3531 | iwlagn_mod_params.wanted_ucode_alternative, | |
3532 | int, S_IRUGO); | |
dd7a2509 JB |
3533 | MODULE_PARM_DESC(ucode_alternative, |
3534 | "specify ucode alternative to use from ucode file"); | |
bee008b7 | 3535 | |
48f20d35 EG |
3536 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
3537 | int, S_IRUGO); | |
bee008b7 WYG |
3538 | MODULE_PARM_DESC(antenna_coupling, |
3539 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
f37837c9 | 3540 | |
48f20d35 EG |
3541 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
3542 | bool, S_IRUGO); | |
9f28ebc3 | 3543 | MODULE_PARM_DESC(bt_ch_inhibition, |
fee84f0d | 3544 | "Enable BT channel inhibition (default: enable)"); |
b7977ffa SG |
3545 | |
3546 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); | |
3547 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
3548 | ||
3549 | module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); | |
3550 | MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); | |
b60eec9b | 3551 | |
300d0834 WYG |
3552 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); |
3553 | MODULE_PARM_DESC(wd_disable, | |
3554 | "Disable stuck queue watchdog timer (default: 0 [enabled])"); | |
3555 | ||
b60eec9b WYG |
3556 | /* |
3557 | * set bt_coex_active to true, uCode will do kill/defer | |
3558 | * every time the priority line is asserted (BT is sending signals on the | |
3559 | * priority line in the PCIx). | |
3560 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
3561 | * perform the normal operation | |
3562 | * | |
3563 | * User might experience transmit issue on some platform due to WiFi/BT | |
3564 | * co-exist problem. The possible behaviors are: | |
3565 | * Able to scan and finding all the available AP | |
3566 | * Not able to associate with any AP | |
3567 | * On those platforms, WiFi communication can be restored by set | |
3568 | * "bt_coex_active" module parameter to "false" | |
3569 | * | |
3570 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
3571 | */ | |
3572 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, | |
3573 | bool, S_IRUGO); | |
3574 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
6b0184c4 WYG |
3575 | |
3576 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); | |
3577 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
3578 | "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); | |
3f1e5f4a | 3579 | |
0172b029 WYG |
3580 | module_param_named(power_save, iwlagn_mod_params.power_save, |
3581 | bool, S_IRUGO); | |
3582 | MODULE_PARM_DESC(power_save, | |
3583 | "enable WiFi power management (default: disable)"); | |
3584 | ||
f7538168 WYG |
3585 | module_param_named(power_level, iwlagn_mod_params.power_level, |
3586 | int, S_IRUGO); | |
3587 | MODULE_PARM_DESC(power_level, | |
3588 | "default power save level (range from 1 - 5, default: 1)"); | |
3589 | ||
dd5b6d0a WYG |
3590 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
3591 | bool, S_IRUGO); | |
3592 | MODULE_PARM_DESC(auto_agg, | |
3593 | "enable agg w/o check traffic load (default: enable)"); | |
3594 | ||
3f1e5f4a WYG |
3595 | /* |
3596 | * For now, keep using power level 1 instead of automatically | |
3597 | * adjusting ... | |
3598 | */ | |
3599 | module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, | |
3600 | bool, S_IRUGO); | |
3601 | MODULE_PARM_DESC(no_sleep_autoadjust, | |
3602 | "don't automatically adjust sleep level " | |
3603 | "according to maximum network latency (default: true)"); |