Commit | Line | Data |
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b481de9c ZY |
1 | /****************************************************************************** |
2 | * | |
4e318262 | 3 | * Copyright(c) 2003 - 2012 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 | *****************************************************************************/ | |
69b8797f JP |
29 | |
30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
31 | ||
b481de9c ZY |
32 | #include <linux/kernel.h> |
33 | #include <linux/module.h> | |
b481de9c | 34 | #include <linux/init.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
b481de9c | 36 | #include <linux/delay.h> |
d43c36dc | 37 | #include <linux/sched.h> |
b481de9c ZY |
38 | #include <linux/skbuff.h> |
39 | #include <linux/netdevice.h> | |
b481de9c ZY |
40 | #include <linux/etherdevice.h> |
41 | #include <linux/if_arp.h> | |
42 | ||
b481de9c ZY |
43 | #include <net/mac80211.h> |
44 | ||
45 | #include <asm/div64.h> | |
46 | ||
6bc913bd | 47 | #include "iwl-eeprom.h" |
3e0d4cb1 | 48 | #include "iwl-dev.h" |
fee1247a | 49 | #include "iwl-core.h" |
3395f6e9 | 50 | #include "iwl-io.h" |
0de76736 | 51 | #include "iwl-agn-calib.h" |
a1175124 | 52 | #include "iwl-agn.h" |
48f20d35 | 53 | #include "iwl-shared.h" |
c85eb619 | 54 | #include "iwl-trans.h" |
d0f76d68 | 55 | #include "iwl-op-mode.h" |
416e1438 | 56 | |
b481de9c ZY |
57 | /****************************************************************************** |
58 | * | |
59 | * module boiler plate | |
60 | * | |
61 | ******************************************************************************/ | |
62 | ||
b481de9c ZY |
63 | /* |
64 | * module name, copyright, version, etc. | |
b481de9c | 65 | */ |
d783b061 | 66 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
b481de9c | 67 | |
0a6857e7 | 68 | #ifdef CONFIG_IWLWIFI_DEBUG |
b481de9c ZY |
69 | #define VD "d" |
70 | #else | |
71 | #define VD | |
72 | #endif | |
73 | ||
81963d68 | 74 | #define DRV_VERSION IWLWIFI_VERSION VD |
b481de9c | 75 | |
b481de9c ZY |
76 | |
77 | MODULE_DESCRIPTION(DRV_DESCRIPTION); | |
78 | MODULE_VERSION(DRV_VERSION); | |
a7b75207 | 79 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
b481de9c | 80 | MODULE_LICENSE("GPL"); |
3c607d27 | 81 | MODULE_ALIAS("iwlagn"); |
b481de9c | 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 | |
b1eea297 | 138 | lockdep_assert_held(&priv->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, |
9e295116 | 183 | priv->hw_params.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 | |
e10a0533 | 203 | return iwl_dvm_send_cmd(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 | ||
b1eea297 | 212 | mutex_lock(&priv->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: |
b1eea297 | 242 | mutex_unlock(&priv->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 | ||
83626404 | 250 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
fbba9410 WYG |
251 | return; |
252 | ||
253 | /* dont send host command if rf-kill is on */ | |
83626404 | 254 | if (!iwl_is_ready_rf(priv)) |
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 | |
b1eea297 | 265 | mutex_lock(&priv->mutex); |
dc1a4068 | 266 | |
83626404 | 267 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
dc1a4068 | 268 | goto out; |
bee008b7 WYG |
269 | |
270 | /* dont send host command if rf-kill is on */ | |
83626404 | 271 | if (!iwl_is_ready_rf(priv)) |
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: |
b1eea297 | 289 | mutex_unlock(&priv->mutex); |
bee008b7 WYG |
290 | } |
291 | ||
1591129d MV |
292 | int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) |
293 | { | |
294 | struct iwl_statistics_cmd statistics_cmd = { | |
295 | .configuration_flags = | |
296 | clear ? IWL_STATS_CONF_CLEAR_STATS : 0, | |
297 | }; | |
298 | ||
299 | if (flags & CMD_ASYNC) | |
300 | return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, | |
301 | CMD_ASYNC, | |
302 | sizeof(struct iwl_statistics_cmd), | |
303 | &statistics_cmd); | |
304 | else | |
305 | return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, | |
306 | CMD_SYNC, | |
307 | sizeof(struct iwl_statistics_cmd), | |
308 | &statistics_cmd); | |
309 | } | |
310 | ||
4e39317d | 311 | /** |
5b9f8cd3 | 312 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
4e39317d EG |
313 | * |
314 | * This callback is provided in order to send a statistics request. | |
315 | * | |
316 | * This timer function is continually reset to execute within | |
317 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION | |
318 | * was received. We need to ensure we receive the statistics in order | |
319 | * to update the temperature used for calibrating the TXPOWER. | |
320 | */ | |
5b9f8cd3 | 321 | static void iwl_bg_statistics_periodic(unsigned long data) |
4e39317d EG |
322 | { |
323 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
324 | ||
83626404 | 325 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
4e39317d EG |
326 | return; |
327 | ||
61780ee3 | 328 | /* dont send host command if rf-kill is on */ |
83626404 | 329 | if (!iwl_is_ready_rf(priv)) |
61780ee3 MA |
330 | return; |
331 | ||
ef8d5529 | 332 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
4e39317d EG |
333 | } |
334 | ||
a9e1cb6a WYG |
335 | |
336 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, | |
337 | u32 start_idx, u32 num_events, | |
98d4bf0c | 338 | u32 capacity, u32 mode) |
a9e1cb6a WYG |
339 | { |
340 | u32 i; | |
341 | u32 ptr; /* SRAM byte address of log data */ | |
342 | u32 ev, time, data; /* event log data */ | |
343 | unsigned long reg_flags; | |
344 | ||
345 | if (mode == 0) | |
346 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); | |
347 | else | |
348 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); | |
349 | ||
350 | /* Make sure device is powered up for SRAM reads */ | |
1042db2a | 351 | spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); |
bfe4b80e | 352 | if (unlikely(!iwl_grab_nic_access(trans(priv)))) { |
1042db2a | 353 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); |
a9e1cb6a WYG |
354 | return; |
355 | } | |
356 | ||
357 | /* Set starting address; reads will auto-increment */ | |
1042db2a | 358 | iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); |
a9e1cb6a | 359 | |
98d4bf0c JB |
360 | /* |
361 | * Refuse to read more than would have fit into the log from | |
362 | * the current start_idx. This used to happen due to the race | |
363 | * described below, but now WARN because the code below should | |
364 | * prevent it from happening here. | |
365 | */ | |
366 | if (WARN_ON(num_events > capacity - start_idx)) | |
367 | num_events = capacity - start_idx; | |
368 | ||
a9e1cb6a WYG |
369 | /* |
370 | * "time" is actually "data" for mode 0 (no timestamp). | |
371 | * place event id # at far right for easier visual parsing. | |
372 | */ | |
373 | for (i = 0; i < num_events; i++) { | |
1042db2a EG |
374 | ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
375 | time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); | |
a9e1cb6a | 376 | if (mode == 0) { |
6c1011e1 JB |
377 | trace_iwlwifi_dev_ucode_cont_event( |
378 | trans(priv)->dev, 0, time, ev); | |
a9e1cb6a | 379 | } else { |
1042db2a | 380 | data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); |
6c1011e1 JB |
381 | trace_iwlwifi_dev_ucode_cont_event( |
382 | trans(priv)->dev, time, data, ev); | |
a9e1cb6a WYG |
383 | } |
384 | } | |
385 | /* Allow device to power down */ | |
1042db2a EG |
386 | iwl_release_nic_access(trans(priv)); |
387 | spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); | |
a9e1cb6a WYG |
388 | } |
389 | ||
875295f1 | 390 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
a9e1cb6a WYG |
391 | { |
392 | u32 capacity; /* event log capacity in # entries */ | |
98d4bf0c JB |
393 | struct { |
394 | u32 capacity; | |
395 | u32 mode; | |
396 | u32 wrap_counter; | |
397 | u32 write_counter; | |
398 | } __packed read; | |
a9e1cb6a WYG |
399 | u32 base; /* SRAM byte address of event log header */ |
400 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
401 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
402 | u32 next_entry; /* index of next entry to be written by uCode */ | |
403 | ||
2fdfc476 | 404 | base = priv->device_pointers.log_event_table; |
4caab328 | 405 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
1042db2a | 406 | iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); |
98d4bf0c JB |
407 | |
408 | capacity = read.capacity; | |
409 | mode = read.mode; | |
410 | num_wraps = read.wrap_counter; | |
411 | next_entry = read.write_counter; | |
a9e1cb6a WYG |
412 | } else |
413 | return; | |
414 | ||
98d4bf0c JB |
415 | /* |
416 | * Unfortunately, the uCode doesn't use temporary variables. | |
417 | * Therefore, it can happen that we read next_entry == capacity, | |
418 | * which really means next_entry == 0. | |
419 | */ | |
420 | if (unlikely(next_entry == capacity)) | |
421 | next_entry = 0; | |
422 | /* | |
423 | * Additionally, the uCode increases the write pointer before | |
424 | * the wraps counter, so if the write pointer is smaller than | |
425 | * the old write pointer (wrap occurred) but we read that no | |
426 | * wrap occurred, we actually read between the next_entry and | |
427 | * num_wraps update (this does happen in practice!!) -- take | |
428 | * that into account by increasing num_wraps. | |
429 | */ | |
430 | if (unlikely(next_entry < priv->event_log.next_entry && | |
431 | num_wraps == priv->event_log.num_wraps)) | |
432 | num_wraps++; | |
433 | ||
a9e1cb6a | 434 | if (num_wraps == priv->event_log.num_wraps) { |
98d4bf0c JB |
435 | iwl_print_cont_event_trace( |
436 | priv, base, priv->event_log.next_entry, | |
437 | next_entry - priv->event_log.next_entry, | |
438 | capacity, mode); | |
439 | ||
a9e1cb6a WYG |
440 | priv->event_log.non_wraps_count++; |
441 | } else { | |
98d4bf0c | 442 | if (num_wraps - priv->event_log.num_wraps > 1) |
a9e1cb6a WYG |
443 | priv->event_log.wraps_more_count++; |
444 | else | |
445 | priv->event_log.wraps_once_count++; | |
98d4bf0c | 446 | |
6c1011e1 | 447 | trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev, |
a9e1cb6a WYG |
448 | num_wraps - priv->event_log.num_wraps, |
449 | next_entry, priv->event_log.next_entry); | |
98d4bf0c | 450 | |
a9e1cb6a | 451 | if (next_entry < priv->event_log.next_entry) { |
98d4bf0c JB |
452 | iwl_print_cont_event_trace( |
453 | priv, base, priv->event_log.next_entry, | |
454 | capacity - priv->event_log.next_entry, | |
455 | capacity, mode); | |
a9e1cb6a | 456 | |
98d4bf0c JB |
457 | iwl_print_cont_event_trace( |
458 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a | 459 | } else { |
98d4bf0c JB |
460 | iwl_print_cont_event_trace( |
461 | priv, base, next_entry, | |
462 | capacity - next_entry, | |
463 | capacity, mode); | |
a9e1cb6a | 464 | |
98d4bf0c JB |
465 | iwl_print_cont_event_trace( |
466 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a WYG |
467 | } |
468 | } | |
98d4bf0c | 469 | |
a9e1cb6a WYG |
470 | priv->event_log.num_wraps = num_wraps; |
471 | priv->event_log.next_entry = next_entry; | |
472 | } | |
473 | ||
474 | /** | |
475 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
476 | * | |
477 | * The timer is continually set to execute every | |
478 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
479 | * this function is to perform continuous uCode event logging operation | |
480 | * if enabled | |
481 | */ | |
482 | static void iwl_bg_ucode_trace(unsigned long data) | |
483 | { | |
484 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
485 | ||
83626404 | 486 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
a9e1cb6a WYG |
487 | return; |
488 | ||
489 | if (priv->event_log.ucode_trace) { | |
490 | iwl_continuous_event_trace(priv); | |
491 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
492 | mod_timer(&priv->ucode_trace, | |
493 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
494 | } | |
495 | } | |
496 | ||
65550636 WYG |
497 | static void iwl_bg_tx_flush(struct work_struct *work) |
498 | { | |
499 | struct iwl_priv *priv = | |
500 | container_of(work, struct iwl_priv, tx_flush); | |
501 | ||
83626404 | 502 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
65550636 WYG |
503 | return; |
504 | ||
505 | /* do nothing if rf-kill is on */ | |
83626404 | 506 | if (!iwl_is_ready_rf(priv)) |
65550636 WYG |
507 | return; |
508 | ||
c68744fb WYG |
509 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
510 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
511 | } |
512 | ||
9eae88fa JB |
513 | /* |
514 | * queue/FIFO/AC mapping definitions | |
515 | */ | |
516 | ||
517 | #define IWL_TX_FIFO_BK 0 /* shared */ | |
518 | #define IWL_TX_FIFO_BE 1 | |
519 | #define IWL_TX_FIFO_VI 2 /* shared */ | |
520 | #define IWL_TX_FIFO_VO 3 | |
521 | #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK | |
522 | #define IWL_TX_FIFO_BE_IPAN 4 | |
523 | #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI | |
524 | #define IWL_TX_FIFO_VO_IPAN 5 | |
525 | /* re-uses the VO FIFO, uCode will properly flush/schedule */ | |
526 | #define IWL_TX_FIFO_AUX 5 | |
527 | #define IWL_TX_FIFO_UNUSED -1 | |
528 | ||
529 | #define IWLAGN_CMD_FIFO_NUM 7 | |
530 | ||
531 | /* | |
532 | * This queue number is required for proper operation | |
533 | * because the ucode will stop/start the scheduler as | |
534 | * required. | |
535 | */ | |
536 | #define IWL_IPAN_MCAST_QUEUE 8 | |
537 | ||
538 | static const u8 iwlagn_default_queue_to_tx_fifo[] = { | |
539 | IWL_TX_FIFO_VO, | |
540 | IWL_TX_FIFO_VI, | |
541 | IWL_TX_FIFO_BE, | |
542 | IWL_TX_FIFO_BK, | |
543 | IWLAGN_CMD_FIFO_NUM, | |
544 | }; | |
545 | ||
546 | static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { | |
547 | IWL_TX_FIFO_VO, | |
548 | IWL_TX_FIFO_VI, | |
549 | IWL_TX_FIFO_BE, | |
550 | IWL_TX_FIFO_BK, | |
551 | IWL_TX_FIFO_BK_IPAN, | |
552 | IWL_TX_FIFO_BE_IPAN, | |
553 | IWL_TX_FIFO_VI_IPAN, | |
554 | IWL_TX_FIFO_VO_IPAN, | |
555 | IWL_TX_FIFO_BE_IPAN, | |
556 | IWLAGN_CMD_FIFO_NUM, | |
557 | IWL_TX_FIFO_AUX, | |
558 | }; | |
559 | ||
560 | static const u8 iwlagn_bss_ac_to_fifo[] = { | |
561 | IWL_TX_FIFO_VO, | |
562 | IWL_TX_FIFO_VI, | |
563 | IWL_TX_FIFO_BE, | |
564 | IWL_TX_FIFO_BK, | |
565 | }; | |
566 | ||
567 | static const u8 iwlagn_bss_ac_to_queue[] = { | |
568 | 0, 1, 2, 3, | |
569 | }; | |
570 | ||
571 | static const u8 iwlagn_pan_ac_to_fifo[] = { | |
572 | IWL_TX_FIFO_VO_IPAN, | |
573 | IWL_TX_FIFO_VI_IPAN, | |
574 | IWL_TX_FIFO_BE_IPAN, | |
575 | IWL_TX_FIFO_BK_IPAN, | |
576 | }; | |
577 | ||
578 | static const u8 iwlagn_pan_ac_to_queue[] = { | |
579 | 7, 6, 5, 4, | |
580 | }; | |
581 | ||
582 | static const u8 iwlagn_bss_queue_to_ac[] = { | |
583 | IEEE80211_AC_VO, | |
584 | IEEE80211_AC_VI, | |
585 | IEEE80211_AC_BE, | |
586 | IEEE80211_AC_BK, | |
587 | }; | |
588 | ||
589 | static const u8 iwlagn_pan_queue_to_ac[] = { | |
590 | IEEE80211_AC_VO, | |
591 | IEEE80211_AC_VI, | |
592 | IEEE80211_AC_BE, | |
593 | IEEE80211_AC_BK, | |
594 | IEEE80211_AC_BK, | |
595 | IEEE80211_AC_BE, | |
596 | IEEE80211_AC_VI, | |
597 | IEEE80211_AC_VO, | |
598 | }; | |
599 | ||
50c1e9a9 | 600 | void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
4d2a5d0e | 601 | { |
4d2a5d0e JB |
602 | int i; |
603 | ||
604 | /* | |
605 | * The default context is always valid, | |
606 | * the PAN context depends on uCode. | |
607 | */ | |
a18f61bc | 608 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
4d2a5d0e | 609 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
a18f61bc | 610 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
4d2a5d0e JB |
611 | |
612 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
613 | priv->contexts[i].ctxid = i; | |
614 | ||
615 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
616 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
617 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
618 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
619 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
620 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
621 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
622 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
87272af7 | 623 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
4d2a5d0e JB |
624 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
625 | BIT(NL80211_IFTYPE_ADHOC); | |
626 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
627 | BIT(NL80211_IFTYPE_STATION); | |
628 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
629 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
630 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
631 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
9eae88fa JB |
632 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue, |
633 | iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue)); | |
634 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo, | |
635 | iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo)); | |
4d2a5d0e JB |
636 | |
637 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
638 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
639 | REPLY_WIPAN_RXON_TIMING; | |
640 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
641 | REPLY_WIPAN_RXON_ASSOC; | |
642 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
643 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
644 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
645 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
646 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
4d2a5d0e JB |
647 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
648 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
649 | |
650 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
651 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
652 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
653 | BIT(NL80211_IFTYPE_P2P_GO); | |
654 | ||
4d2a5d0e JB |
655 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
656 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
657 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
9eae88fa JB |
658 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue, |
659 | iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue)); | |
660 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo, | |
661 | iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo)); | |
662 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; | |
4d2a5d0e JB |
663 | |
664 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
665 | } | |
666 | ||
50c1e9a9 | 667 | void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
0975cc8f WYG |
668 | { |
669 | struct iwl_ct_kill_config cmd; | |
670 | struct iwl_ct_kill_throttling_config adv_cmd; | |
0975cc8f WYG |
671 | int ret = 0; |
672 | ||
1042db2a | 673 | iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, |
0975cc8f | 674 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
08ae86ac | 675 | |
0975cc8f WYG |
676 | priv->thermal_throttle.ct_kill_toggle = false; |
677 | ||
38622419 | 678 | if (cfg(priv)->base_params->support_ct_kill_exit) { |
0975cc8f | 679 | adv_cmd.critical_temperature_enter = |
9e295116 | 680 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 681 | adv_cmd.critical_temperature_exit = |
9e295116 | 682 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
0975cc8f | 683 | |
e10a0533 | 684 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
685 | REPLY_CT_KILL_CONFIG_CMD, |
686 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
687 | if (ret) |
688 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
689 | else | |
690 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
691 | "succeeded, critical temperature enter is %d," |
692 | "exit is %d\n", | |
9e295116 JB |
693 | priv->hw_params.ct_kill_threshold, |
694 | priv->hw_params.ct_kill_exit_threshold); | |
0975cc8f WYG |
695 | } else { |
696 | cmd.critical_temperature_R = | |
9e295116 | 697 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 698 | |
e10a0533 | 699 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
700 | REPLY_CT_KILL_CONFIG_CMD, |
701 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
702 | if (ret) |
703 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
704 | else | |
705 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
706 | "succeeded, " |
707 | "critical temperature is %d\n", | |
9e295116 | 708 | priv->hw_params.ct_kill_threshold); |
0975cc8f WYG |
709 | } |
710 | } | |
711 | ||
6d6a1afd SZ |
712 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
713 | { | |
714 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
715 | struct iwl_host_cmd cmd = { | |
716 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
717 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
718 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
719 | }; |
720 | ||
721 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
af4dc88c | 722 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; |
7cb1b088 | 723 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 724 | |
e10a0533 | 725 | return iwl_dvm_send_cmd(priv, &cmd); |
6d6a1afd SZ |
726 | } |
727 | ||
728 | ||
e505c433 WYG |
729 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
730 | { | |
731 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
732 | .valid = cpu_to_le32(valid_tx_ant), | |
733 | }; | |
734 | ||
0692fe41 | 735 | if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { |
e505c433 | 736 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
e10a0533 | 737 | return iwl_dvm_send_cmd_pdu(priv, |
e505c433 WYG |
738 | TX_ANT_CONFIGURATION_CMD, |
739 | CMD_SYNC, | |
740 | sizeof(struct iwl_tx_ant_config_cmd), | |
741 | &tx_ant_cmd); | |
742 | } else { | |
743 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
744 | return -EOPNOTSUPP; | |
745 | } | |
746 | } | |
747 | ||
50c1e9a9 | 748 | void iwl_send_bt_config(struct iwl_priv *priv) |
e4c52ab4 MV |
749 | { |
750 | struct iwl_bt_cmd bt_cmd = { | |
751 | .lead_time = BT_LEAD_TIME_DEF, | |
752 | .max_kill = BT_MAX_KILL_DEF, | |
753 | .kill_ack_mask = 0, | |
754 | .kill_cts_mask = 0, | |
755 | }; | |
756 | ||
757 | if (!iwlagn_mod_params.bt_coex_active) | |
758 | bt_cmd.flags = BT_COEX_DISABLE; | |
759 | else | |
760 | bt_cmd.flags = BT_COEX_ENABLE; | |
761 | ||
762 | priv->bt_enable_flag = bt_cmd.flags; | |
763 | IWL_DEBUG_INFO(priv, "BT coex %s\n", | |
764 | (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); | |
765 | ||
766 | if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, | |
767 | CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) | |
768 | IWL_ERR(priv, "failed to send BT Coex Config\n"); | |
769 | } | |
770 | ||
b481de9c | 771 | /** |
4a4a9e81 | 772 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 773 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 774 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 775 | */ |
4613e72d | 776 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 777 | { |
57aab75a | 778 | int ret = 0; |
246ed355 | 779 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 780 | |
ca7966c8 | 781 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 782 | |
5b9f8cd3 | 783 | /* After the ALIVE response, we can send host commands to the uCode */ |
83626404 | 784 | set_bit(STATUS_ALIVE, &priv->status); |
b481de9c | 785 | |
83626404 | 786 | if (iwl_is_rfkill(priv)) |
ca7966c8 | 787 | return -ERFKILL; |
b481de9c | 788 | |
98d4bf0c JB |
789 | if (priv->event_log.ucode_trace) { |
790 | /* start collecting data now */ | |
791 | mod_timer(&priv->ucode_trace, jiffies); | |
792 | } | |
793 | ||
bc795df1 | 794 | /* download priority table before any calibration request */ |
38622419 DF |
795 | if (cfg(priv)->bt_params && |
796 | cfg(priv)->bt_params->advanced_bt_coexist) { | |
f7322f8f | 797 | /* Configure Bluetooth device coexistence support */ |
38622419 | 798 | if (cfg(priv)->bt_params->bt_sco_disable) |
207ecc5e MV |
799 | priv->bt_enable_pspoll = false; |
800 | else | |
801 | priv->bt_enable_pspoll = true; | |
802 | ||
f7322f8f WYG |
803 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
804 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
805 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 806 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 807 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
808 | priv->cur_rssi_ctx = NULL; |
809 | ||
e1991885 | 810 | iwl_send_prio_tbl(priv); |
f7322f8f WYG |
811 | |
812 | /* FIXME: w/a to force change uCode BT state machine */ | |
e1991885 | 813 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
ca7966c8 JB |
814 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
815 | if (ret) | |
816 | return ret; | |
e1991885 | 817 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
ca7966c8 JB |
818 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
819 | if (ret) | |
820 | return ret; | |
e55b517c WYG |
821 | } else { |
822 | /* | |
823 | * default is 2-wire BT coexexistence support | |
824 | */ | |
825 | iwl_send_bt_config(priv); | |
f7322f8f | 826 | } |
e55b517c | 827 | |
885765f1 VM |
828 | /* |
829 | * Perform runtime calibrations, including DC calibration. | |
830 | */ | |
831 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); | |
bc795df1 | 832 | |
36d6825b | 833 | ieee80211_wake_queues(priv->hw); |
b481de9c | 834 | |
2f748dec | 835 | /* Configure Tx antenna selection based on H/W config */ |
9e295116 | 836 | iwlagn_send_tx_ant_config(priv, priv->hw_params.valid_tx_ant); |
2f748dec | 837 | |
15b86bff | 838 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
c1adf9fb | 839 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 840 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 841 | /* apply any changes in staging */ |
246ed355 | 842 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
843 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
844 | } else { | |
d0fe478c | 845 | struct iwl_rxon_context *tmp; |
b481de9c | 846 | /* Initialize our rx_config data */ |
d0fe478c JB |
847 | for_each_context(priv, tmp) |
848 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 849 | |
e3f10cea | 850 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
851 | } |
852 | ||
15b86bff | 853 | if (!priv->wowlan) { |
c8ac61cf JB |
854 | /* WoWLAN ucode will not reply in the same way, skip it */ |
855 | iwl_reset_run_time_calib(priv); | |
856 | } | |
4a4a9e81 | 857 | |
83626404 | 858 | set_bit(STATUS_READY, &priv->status); |
9e2e7422 | 859 | |
b481de9c | 860 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 861 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
862 | if (ret) |
863 | return ret; | |
b481de9c ZY |
864 | |
865 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 866 | iwl_rf_kill_ct_config(priv); |
5a66926a | 867 | |
e1623446 | 868 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 869 | |
ca7966c8 | 870 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
871 | } |
872 | ||
d316383d JB |
873 | /** |
874 | * iwl_clear_driver_stations - clear knowledge of all stations from driver | |
875 | * @priv: iwl priv struct | |
876 | * | |
877 | * This is called during iwl_down() to make sure that in the case | |
878 | * we're coming there from a hardware restart mac80211 will be | |
879 | * able to reconfigure stations -- if we're getting there in the | |
880 | * normal down flow then the stations will already be cleared. | |
881 | */ | |
882 | static void iwl_clear_driver_stations(struct iwl_priv *priv) | |
883 | { | |
d316383d JB |
884 | struct iwl_rxon_context *ctx; |
885 | ||
fa23cb04 | 886 | spin_lock_bh(&priv->sta_lock); |
d316383d JB |
887 | memset(priv->stations, 0, sizeof(priv->stations)); |
888 | priv->num_stations = 0; | |
889 | ||
890 | priv->ucode_key_table = 0; | |
891 | ||
892 | for_each_context(priv, ctx) { | |
893 | /* | |
894 | * Remove all key information that is not stored as part | |
895 | * of station information since mac80211 may not have had | |
896 | * a chance to remove all the keys. When device is | |
897 | * reconfigured by mac80211 after an error all keys will | |
898 | * be reconfigured. | |
899 | */ | |
900 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); | |
901 | ctx->key_mapping_keys = 0; | |
902 | } | |
903 | ||
fa23cb04 | 904 | spin_unlock_bh(&priv->sta_lock); |
d316383d JB |
905 | } |
906 | ||
78e5a464 | 907 | void iwl_down(struct iwl_priv *priv) |
b481de9c | 908 | { |
22dd2fd2 | 909 | int exit_pending; |
b481de9c | 910 | |
e1623446 | 911 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 912 | |
b1eea297 | 913 | lockdep_assert_held(&priv->mutex); |
78e5a464 | 914 | |
d745d472 SG |
915 | iwl_scan_cancel_timeout(priv, 200); |
916 | ||
c6baf7fb JB |
917 | /* |
918 | * If active, scanning won't cancel it, so say it expired. | |
919 | * No race since we hold the mutex here and a new one | |
920 | * can't come in at this time. | |
921 | */ | |
922 | ieee80211_remain_on_channel_expired(priv->hw); | |
923 | ||
63013ae3 | 924 | exit_pending = |
83626404 | 925 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 926 | |
dcef732c | 927 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 928 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 929 | iwl_clear_driver_stations(priv); |
b481de9c | 930 | |
a1174138 | 931 | /* reset BT coex data */ |
da5dbb97 | 932 | priv->bt_status = 0; |
207ecc5e MV |
933 | priv->cur_rssi_ctx = NULL; |
934 | priv->bt_is_sco = 0; | |
38622419 | 935 | if (cfg(priv)->bt_params) |
7cb1b088 | 936 | priv->bt_traffic_load = |
38622419 | 937 | cfg(priv)->bt_params->bt_init_traffic_load; |
7cb1b088 WYG |
938 | else |
939 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
940 | priv->bt_full_concurrent = false; |
941 | priv->bt_ci_compliance = 0; | |
a1174138 | 942 | |
b481de9c ZY |
943 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
944 | * exiting the module */ | |
945 | if (!exit_pending) | |
83626404 | 946 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 947 | |
859cfb0a | 948 | if (priv->mac80211_registered) |
b481de9c ZY |
949 | ieee80211_stop_queues(priv->hw); |
950 | ||
8f7ffbe2 | 951 | priv->ucode_loaded = false; |
909e9b23 EG |
952 | iwl_trans_stop_device(trans(priv)); |
953 | ||
1a10f433 | 954 | /* Clear out all status bits but a few that are stable across reset */ |
1353a7ba | 955 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
b481de9c | 956 | STATUS_RF_KILL_HW | |
83626404 | 957 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
9788864e | 958 | STATUS_GEO_CONFIGURED | |
17acd0b6 DF |
959 | test_bit(STATUS_FW_ERROR, &priv->status) << |
960 | STATUS_FW_ERROR | | |
83626404 | 961 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
052ec3f1 | 962 | STATUS_EXIT_PENDING; |
b481de9c | 963 | |
77834543 | 964 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 965 | priv->beacon_skb = NULL; |
b481de9c ZY |
966 | } |
967 | ||
b481de9c ZY |
968 | /***************************************************************************** |
969 | * | |
970 | * Workqueue callbacks | |
971 | * | |
972 | *****************************************************************************/ | |
973 | ||
16e727e8 EG |
974 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
975 | { | |
976 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
977 | run_time_calib_work); | |
978 | ||
b1eea297 | 979 | mutex_lock(&priv->mutex); |
16e727e8 | 980 | |
83626404 DF |
981 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
982 | test_bit(STATUS_SCANNING, &priv->status)) { | |
b1eea297 | 983 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
984 | return; |
985 | } | |
986 | ||
987 | if (priv->start_calib) { | |
0da0e5bf JB |
988 | iwl_chain_noise_calibration(priv); |
989 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
990 | } |
991 | ||
b1eea297 | 992 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
993 | } |
994 | ||
7335613a | 995 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
e43e85c4 JB |
996 | { |
997 | struct iwl_rxon_context *ctx; | |
998 | bool bt_full_concurrent; | |
999 | u8 bt_ci_compliance; | |
1000 | u8 bt_load; | |
1001 | u8 bt_status; | |
207ecc5e | 1002 | bool bt_is_sco; |
9eae88fa | 1003 | int i; |
e43e85c4 | 1004 | |
b1eea297 | 1005 | lockdep_assert_held(&priv->mutex); |
e43e85c4 JB |
1006 | |
1007 | for_each_context(priv, ctx) | |
1008 | ctx->vif = NULL; | |
1009 | priv->is_open = 0; | |
1010 | ||
1011 | /* | |
1012 | * __iwl_down() will clear the BT status variables, | |
1013 | * which is correct, but when we restart we really | |
1014 | * want to keep them so restore them afterwards. | |
1015 | * | |
1016 | * The restart process will later pick them up and | |
1017 | * re-configure the hw when we reconfigure the BT | |
1018 | * command. | |
1019 | */ | |
1020 | bt_full_concurrent = priv->bt_full_concurrent; | |
1021 | bt_ci_compliance = priv->bt_ci_compliance; | |
1022 | bt_load = priv->bt_traffic_load; | |
1023 | bt_status = priv->bt_status; | |
207ecc5e | 1024 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 | 1025 | |
78e5a464 | 1026 | iwl_down(priv); |
e43e85c4 JB |
1027 | |
1028 | priv->bt_full_concurrent = bt_full_concurrent; | |
1029 | priv->bt_ci_compliance = bt_ci_compliance; | |
1030 | priv->bt_traffic_load = bt_load; | |
1031 | priv->bt_status = bt_status; | |
207ecc5e | 1032 | priv->bt_is_sco = bt_is_sco; |
9eae88fa JB |
1033 | |
1034 | /* reset all queues */ | |
1035 | for (i = 0; i < IEEE80211_NUM_ACS; i++) | |
1036 | atomic_set(&priv->ac_stop_count[i], 0); | |
1037 | ||
1038 | for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++) | |
1039 | priv->queue_to_ac[i] = IWL_INVALID_AC; | |
1040 | ||
1041 | memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc)); | |
e43e85c4 JB |
1042 | } |
1043 | ||
5b9f8cd3 | 1044 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1045 | { |
c79dd5b5 | 1046 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1047 | |
83626404 | 1048 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
b481de9c ZY |
1049 | return; |
1050 | ||
17acd0b6 | 1051 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { |
b1eea297 | 1052 | mutex_lock(&priv->mutex); |
e43e85c4 | 1053 | iwlagn_prepare_restart(priv); |
b1eea297 | 1054 | mutex_unlock(&priv->mutex); |
a1174138 | 1055 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1056 | ieee80211_restart_hw(priv->hw); |
1057 | } else { | |
ca7966c8 | 1058 | WARN_ON(1); |
19cc1087 | 1059 | } |
b481de9c ZY |
1060 | } |
1061 | ||
0fd09502 | 1062 | |
0fd09502 | 1063 | |
0fd09502 | 1064 | |
7335613a | 1065 | void iwlagn_disable_roc(struct iwl_priv *priv) |
f0b6e2e8 | 1066 | { |
7335613a | 1067 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
f0b6e2e8 | 1068 | |
b1eea297 | 1069 | lockdep_assert_held(&priv->mutex); |
f0b6e2e8 | 1070 | |
7335613a WYG |
1071 | if (!priv->hw_roc_setup) |
1072 | return; | |
f0b6e2e8 | 1073 | |
7335613a WYG |
1074 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
1075 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; | |
f0b6e2e8 | 1076 | |
7335613a | 1077 | priv->hw_roc_channel = NULL; |
f0b6e2e8 | 1078 | |
7335613a | 1079 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
5ed540ae | 1080 | |
7335613a | 1081 | iwlagn_commit_rxon(priv, ctx); |
f0b6e2e8 | 1082 | |
7335613a WYG |
1083 | ctx->is_active = false; |
1084 | priv->hw_roc_setup = false; | |
f0b6e2e8 RC |
1085 | } |
1086 | ||
7335613a | 1087 | static void iwlagn_disable_roc_work(struct work_struct *work) |
b481de9c | 1088 | { |
7335613a WYG |
1089 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
1090 | hw_roc_disable_work.work); | |
b481de9c | 1091 | |
b1eea297 | 1092 | mutex_lock(&priv->mutex); |
7335613a | 1093 | iwlagn_disable_roc(priv); |
b1eea297 | 1094 | mutex_unlock(&priv->mutex); |
b481de9c ZY |
1095 | } |
1096 | ||
7335613a WYG |
1097 | /***************************************************************************** |
1098 | * | |
1099 | * driver setup and teardown | |
1100 | * | |
1101 | *****************************************************************************/ | |
1102 | ||
50c1e9a9 | 1103 | void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 1104 | { |
1ee158d8 | 1105 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c | 1106 | |
7335613a WYG |
1107 | INIT_WORK(&priv->restart, iwl_bg_restart); |
1108 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); | |
1109 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); | |
1110 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); | |
1111 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); | |
1112 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); | |
1113 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, | |
1114 | iwlagn_disable_roc_work); | |
e655b9f0 | 1115 | |
7335613a | 1116 | iwl_setup_scan_deferred_work(priv); |
5a66926a | 1117 | |
562f08eb JB |
1118 | if (cfg(priv)->bt_params) |
1119 | iwlagn_bt_setup_deferred_work(priv); | |
5a66926a | 1120 | |
7335613a WYG |
1121 | init_timer(&priv->statistics_periodic); |
1122 | priv->statistics_periodic.data = (unsigned long)priv; | |
1123 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; | |
6cd0b1cb | 1124 | |
7335613a WYG |
1125 | init_timer(&priv->ucode_trace); |
1126 | priv->ucode_trace.data = (unsigned long)priv; | |
1127 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
b481de9c ZY |
1128 | } |
1129 | ||
78e5a464 | 1130 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
c8ac61cf | 1131 | { |
562f08eb JB |
1132 | if (cfg(priv)->bt_params) |
1133 | iwlagn_bt_cancel_deferred_work(priv); | |
c8ac61cf | 1134 | |
7335613a WYG |
1135 | cancel_work_sync(&priv->run_time_calib_work); |
1136 | cancel_work_sync(&priv->beacon_update); | |
c8ac61cf | 1137 | |
7335613a | 1138 | iwl_cancel_scan_deferred_work(priv); |
c8ac61cf | 1139 | |
7335613a WYG |
1140 | cancel_work_sync(&priv->bt_full_concurrency); |
1141 | cancel_work_sync(&priv->bt_runtime_config); | |
1142 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); | |
c8ac61cf | 1143 | |
7335613a WYG |
1144 | del_timer_sync(&priv->statistics_periodic); |
1145 | del_timer_sync(&priv->ucode_trace); | |
1146 | } | |
c8ac61cf | 1147 | |
03dadf96 | 1148 | static void iwl_init_hw_rates(struct ieee80211_rate *rates) |
7335613a WYG |
1149 | { |
1150 | int i; | |
c8ac61cf | 1151 | |
7335613a WYG |
1152 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
1153 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
1154 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
1155 | rates[i].hw_value_short = i; | |
1156 | rates[i].flags = 0; | |
1157 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
1158 | /* | |
1159 | * If CCK != 1M then set short preamble rate flag. | |
1160 | */ | |
1161 | rates[i].flags |= | |
1162 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
1163 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
1164 | } | |
c8ac61cf | 1165 | } |
c8ac61cf JB |
1166 | } |
1167 | ||
533b4265 MV |
1168 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
1169 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ | |
1170 | static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, | |
1171 | struct ieee80211_sta_ht_cap *ht_info, | |
1172 | enum ieee80211_band band) | |
1173 | { | |
1174 | u16 max_bit_rate = 0; | |
9e295116 JB |
1175 | u8 rx_chains_num = priv->hw_params.rx_chains_num; |
1176 | u8 tx_chains_num = priv->hw_params.tx_chains_num; | |
533b4265 MV |
1177 | |
1178 | ht_info->cap = 0; | |
1179 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
1180 | ||
1181 | ht_info->ht_supported = true; | |
1182 | ||
1183 | if (cfg(priv)->ht_params && | |
1184 | cfg(priv)->ht_params->ht_greenfield_support) | |
1185 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; | |
1186 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1187 | max_bit_rate = MAX_BIT_RATE_20_MHZ; | |
9e295116 | 1188 | if (priv->hw_params.ht40_channel & BIT(band)) { |
533b4265 MV |
1189 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
1190 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1191 | ht_info->mcs.rx_mask[4] = 0x01; | |
1192 | max_bit_rate = MAX_BIT_RATE_40_MHZ; | |
1193 | } | |
1194 | ||
1195 | if (iwlagn_mod_params.amsdu_size_8K) | |
1196 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
1197 | ||
1198 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; | |
1199 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; | |
1200 | ||
1201 | ht_info->mcs.rx_mask[0] = 0xFF; | |
1202 | if (rx_chains_num >= 2) | |
1203 | ht_info->mcs.rx_mask[1] = 0xFF; | |
1204 | if (rx_chains_num >= 3) | |
1205 | ht_info->mcs.rx_mask[2] = 0xFF; | |
1206 | ||
1207 | /* Highest supported Rx data rate */ | |
1208 | max_bit_rate *= rx_chains_num; | |
1209 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); | |
1210 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); | |
1211 | ||
1212 | /* Tx MCS capabilities */ | |
1213 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1214 | if (tx_chains_num != rx_chains_num) { | |
1215 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; | |
1216 | ht_info->mcs.tx_params |= ((tx_chains_num - 1) << | |
1217 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | /** | |
1222 | * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom | |
1223 | */ | |
1224 | static int iwl_init_geos(struct iwl_priv *priv) | |
1225 | { | |
1226 | struct iwl_channel_info *ch; | |
1227 | struct ieee80211_supported_band *sband; | |
1228 | struct ieee80211_channel *channels; | |
1229 | struct ieee80211_channel *geo_ch; | |
1230 | struct ieee80211_rate *rates; | |
1231 | int i = 0; | |
1232 | s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN; | |
1233 | ||
1234 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || | |
1235 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { | |
1236 | IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); | |
1237 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | channels = kcalloc(priv->channel_count, | |
1242 | sizeof(struct ieee80211_channel), GFP_KERNEL); | |
1243 | if (!channels) | |
1244 | return -ENOMEM; | |
1245 | ||
1246 | rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), | |
1247 | GFP_KERNEL); | |
1248 | if (!rates) { | |
1249 | kfree(channels); | |
1250 | return -ENOMEM; | |
1251 | } | |
1252 | ||
1253 | /* 5.2GHz channels start after the 2.4GHz channels */ | |
1254 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; | |
1255 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; | |
1256 | /* just OFDM */ | |
1257 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; | |
1258 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; | |
1259 | ||
9e295116 | 1260 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1261 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1262 | IEEE80211_BAND_5GHZ); | |
1263 | ||
1264 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; | |
1265 | sband->channels = channels; | |
1266 | /* OFDM & CCK */ | |
1267 | sband->bitrates = rates; | |
1268 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY; | |
1269 | ||
9e295116 | 1270 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1271 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1272 | IEEE80211_BAND_2GHZ); | |
1273 | ||
1274 | priv->ieee_channels = channels; | |
1275 | priv->ieee_rates = rates; | |
1276 | ||
1277 | for (i = 0; i < priv->channel_count; i++) { | |
1278 | ch = &priv->channel_info[i]; | |
1279 | ||
1280 | /* FIXME: might be removed if scan is OK */ | |
1281 | if (!is_channel_valid(ch)) | |
1282 | continue; | |
1283 | ||
1284 | sband = &priv->bands[ch->band]; | |
1285 | ||
1286 | geo_ch = &sband->channels[sband->n_channels++]; | |
1287 | ||
1288 | geo_ch->center_freq = | |
1289 | ieee80211_channel_to_frequency(ch->channel, ch->band); | |
1290 | geo_ch->max_power = ch->max_power_avg; | |
1291 | geo_ch->max_antenna_gain = 0xff; | |
1292 | geo_ch->hw_value = ch->channel; | |
1293 | ||
1294 | if (is_channel_valid(ch)) { | |
1295 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) | |
1296 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; | |
1297 | ||
1298 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) | |
1299 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; | |
1300 | ||
1301 | if (ch->flags & EEPROM_CHANNEL_RADAR) | |
1302 | geo_ch->flags |= IEEE80211_CHAN_RADAR; | |
1303 | ||
1304 | geo_ch->flags |= ch->ht40_extension_channel; | |
1305 | ||
1306 | if (ch->max_power_avg > max_tx_power) | |
1307 | max_tx_power = ch->max_power_avg; | |
1308 | } else { | |
1309 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; | |
1310 | } | |
1311 | ||
1312 | IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", | |
1313 | ch->channel, geo_ch->center_freq, | |
1314 | is_channel_a_band(ch) ? "5.2" : "2.4", | |
1315 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? | |
1316 | "restricted" : "valid", | |
1317 | geo_ch->flags); | |
1318 | } | |
1319 | ||
1320 | priv->tx_power_device_lmt = max_tx_power; | |
1321 | priv->tx_power_user_lmt = max_tx_power; | |
1322 | priv->tx_power_next = max_tx_power; | |
1323 | ||
1324 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && | |
9e295116 | 1325 | priv->hw_params.sku & EEPROM_SKU_CAP_BAND_52GHZ) { |
533b4265 MV |
1326 | IWL_INFO(priv, "Incorrectly detected BG card as ABG. " |
1327 | "Please send your %s to maintainer.\n", | |
1328 | trans(priv)->hw_id_str); | |
9e295116 | 1329 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; |
533b4265 MV |
1330 | } |
1331 | ||
1332 | IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", | |
1333 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, | |
1334 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); | |
1335 | ||
1336 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
1341 | /* | |
1342 | * iwl_free_geos - undo allocations in iwl_init_geos | |
1343 | */ | |
1344 | static void iwl_free_geos(struct iwl_priv *priv) | |
1345 | { | |
1346 | kfree(priv->ieee_channels); | |
1347 | kfree(priv->ieee_rates); | |
1348 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1349 | } | |
1350 | ||
50c1e9a9 | 1351 | int iwl_init_drv(struct iwl_priv *priv) |
c8ac61cf | 1352 | { |
7335613a | 1353 | int ret; |
c8ac61cf | 1354 | |
fa23cb04 | 1355 | spin_lock_init(&priv->sta_lock); |
c8ac61cf | 1356 | |
b1eea297 | 1357 | mutex_init(&priv->mutex); |
c8ac61cf | 1358 | |
e1991885 | 1359 | INIT_LIST_HEAD(&priv->calib_results); |
80e83da7 | 1360 | |
7335613a WYG |
1361 | priv->ieee_channels = NULL; |
1362 | priv->ieee_rates = NULL; | |
1363 | priv->band = IEEE80211_BAND_2GHZ; | |
c8ac61cf | 1364 | |
ab5c0f1f JB |
1365 | priv->plcp_delta_threshold = |
1366 | cfg(priv)->base_params->plcp_delta_threshold; | |
1367 | ||
7335613a WYG |
1368 | priv->iw_mode = NL80211_IFTYPE_STATION; |
1369 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; | |
1370 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; | |
1371 | priv->agg_tids_count = 0; | |
c8ac61cf | 1372 | |
947a9407 JB |
1373 | priv->ucode_owner = IWL_OWNERSHIP_DRIVER; |
1374 | ||
7335613a | 1375 | priv->rx_statistics_jiffies = jiffies; |
c8ac61cf | 1376 | |
7335613a WYG |
1377 | /* Choose which receivers/antennas to use */ |
1378 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); | |
c8ac61cf | 1379 | |
7335613a | 1380 | iwl_init_scan_params(priv); |
c8ac61cf | 1381 | |
7335613a | 1382 | /* init bt coex */ |
38622419 DF |
1383 | if (cfg(priv)->bt_params && |
1384 | cfg(priv)->bt_params->advanced_bt_coexist) { | |
7335613a WYG |
1385 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
1386 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
1387 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
1388 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; | |
1389 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
1390 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
1391 | } | |
c8ac61cf | 1392 | |
7335613a | 1393 | ret = iwl_init_channel_map(priv); |
c8ac61cf | 1394 | if (ret) { |
7335613a WYG |
1395 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
1396 | goto err; | |
c8ac61cf JB |
1397 | } |
1398 | ||
7335613a WYG |
1399 | ret = iwl_init_geos(priv); |
1400 | if (ret) { | |
1401 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
1402 | goto err_free_channel_map; | |
1403 | } | |
03dadf96 | 1404 | iwl_init_hw_rates(priv->ieee_rates); |
c8ac61cf | 1405 | |
7335613a | 1406 | return 0; |
c8ac61cf | 1407 | |
7335613a WYG |
1408 | err_free_channel_map: |
1409 | iwl_free_channel_map(priv); | |
1410 | err: | |
1411 | return ret; | |
1412 | } | |
c8ac61cf | 1413 | |
50c1e9a9 | 1414 | void iwl_uninit_drv(struct iwl_priv *priv) |
7335613a | 1415 | { |
7335613a WYG |
1416 | iwl_free_geos(priv); |
1417 | iwl_free_channel_map(priv); | |
7335613a WYG |
1418 | kfree(priv->scan_cmd); |
1419 | kfree(priv->beacon_cmd); | |
1420 | kfree(rcu_dereference_raw(priv->noa_data)); | |
e1991885 | 1421 | iwl_calib_free_results(priv); |
7335613a WYG |
1422 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1423 | kfree(priv->wowlan_sram); | |
1424 | #endif | |
1425 | } | |
c8ac61cf | 1426 | |
50c1e9a9 | 1427 | void iwl_set_hw_params(struct iwl_priv *priv) |
07d4f1ad | 1428 | { |
b9ad70da | 1429 | if (cfg(priv)->ht_params) |
9e295116 | 1430 | priv->hw_params.use_rts_for_aggregation = |
b9ad70da JB |
1431 | cfg(priv)->ht_params->use_rts_for_aggregation; |
1432 | ||
7428994d | 1433 | if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
9e295116 | 1434 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad WYG |
1435 | |
1436 | /* Device-specific setup */ | |
e9676695 | 1437 | priv->lib->set_hw_params(priv); |
07d4f1ad WYG |
1438 | } |
1439 | ||
119ea186 | 1440 | |
119ea186 | 1441 | |
50c1e9a9 | 1442 | void iwl_debug_config(struct iwl_priv *priv) |
ebfa867d | 1443 | { |
1042db2a | 1444 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " |
ebfa867d WYG |
1445 | #ifdef CONFIG_IWLWIFI_DEBUG |
1446 | "enabled\n"); | |
1447 | #else | |
1448 | "disabled\n"); | |
1449 | #endif | |
1042db2a | 1450 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " |
ebfa867d WYG |
1451 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1452 | "enabled\n"); | |
1453 | #else | |
1454 | "disabled\n"); | |
1455 | #endif | |
1042db2a | 1456 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
ebfa867d WYG |
1457 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
1458 | "enabled\n"); | |
1459 | #else | |
1460 | "disabled\n"); | |
1461 | #endif | |
1462 | ||
1042db2a | 1463 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
5ef15ccc | 1464 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
ebfa867d WYG |
1465 | "enabled\n"); |
1466 | #else | |
1467 | "disabled\n"); | |
0cb38d65 | 1468 | #endif |
1042db2a | 1469 | dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " |
0cb38d65 WYG |
1470 | #ifdef CONFIG_IWLWIFI_P2P |
1471 | "enabled\n"); | |
1472 | #else | |
1473 | "disabled\n"); | |
ebfa867d WYG |
1474 | #endif |
1475 | } | |
1476 | ||
0692fe41 JB |
1477 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, |
1478 | const struct iwl_fw *fw) | |
b2ea345e | 1479 | { |
b2ea345e WYG |
1480 | struct iwl_priv *priv; |
1481 | struct ieee80211_hw *hw; | |
d0f76d68 | 1482 | struct iwl_op_mode *op_mode; |
084dd791 | 1483 | u16 num_mac; |
a78be210 | 1484 | u32 ucode_flags; |
92d743ae | 1485 | struct iwl_trans_config trans_cfg; |
d663ee73 JB |
1486 | static const u8 no_reclaim_cmds[] = { |
1487 | REPLY_RX_PHY_CMD, | |
1488 | REPLY_RX, | |
1489 | REPLY_RX_MPDU_CMD, | |
1490 | REPLY_COMPRESSED_BA, | |
1491 | STATISTICS_NOTIFICATION, | |
1492 | REPLY_TX, | |
1493 | }; | |
9eae88fa JB |
1494 | const u8 *q_to_ac; |
1495 | int n_q_to_ac; | |
1496 | int i; | |
b2ea345e WYG |
1497 | |
1498 | /************************ | |
1499 | * 1. Allocating HW data | |
1500 | ************************/ | |
fa06ec79 | 1501 | hw = iwl_alloc_all(); |
b2ea345e | 1502 | if (!hw) { |
d0f76d68 EG |
1503 | pr_err("%s: Cannot allocate network device\n", |
1504 | cfg(trans)->name); | |
807caf26 EG |
1505 | goto out; |
1506 | } | |
1507 | ||
d0f76d68 EG |
1508 | op_mode = hw->priv; |
1509 | op_mode->ops = &iwl_dvm_ops; | |
1510 | priv = IWL_OP_MODE_GET_DVM(op_mode); | |
1511 | priv->shrd = trans->shrd; | |
0692fe41 | 1512 | priv->fw = fw; |
a48709c5 | 1513 | |
e9676695 JB |
1514 | switch (cfg(priv)->device_family) { |
1515 | case IWL_DEVICE_FAMILY_1000: | |
1516 | case IWL_DEVICE_FAMILY_100: | |
1517 | priv->lib = &iwl1000_lib; | |
1518 | break; | |
1519 | case IWL_DEVICE_FAMILY_2000: | |
1520 | case IWL_DEVICE_FAMILY_105: | |
1521 | priv->lib = &iwl2000_lib; | |
1522 | break; | |
1523 | case IWL_DEVICE_FAMILY_2030: | |
1524 | case IWL_DEVICE_FAMILY_135: | |
1525 | priv->lib = &iwl2030_lib; | |
1526 | break; | |
1527 | case IWL_DEVICE_FAMILY_5000: | |
1528 | priv->lib = &iwl5000_lib; | |
1529 | break; | |
1530 | case IWL_DEVICE_FAMILY_5150: | |
1531 | priv->lib = &iwl5150_lib; | |
1532 | break; | |
1533 | case IWL_DEVICE_FAMILY_6000: | |
1534 | case IWL_DEVICE_FAMILY_6005: | |
1535 | case IWL_DEVICE_FAMILY_6000i: | |
1536 | case IWL_DEVICE_FAMILY_6050: | |
1537 | case IWL_DEVICE_FAMILY_6150: | |
1538 | priv->lib = &iwl6000_lib; | |
1539 | break; | |
1540 | case IWL_DEVICE_FAMILY_6030: | |
1541 | priv->lib = &iwl6030_lib; | |
1542 | break; | |
1543 | default: | |
1544 | break; | |
1545 | } | |
1546 | ||
1547 | if (WARN_ON(!priv->lib)) | |
1548 | goto out_free_traffic_mem; | |
1549 | ||
3dc420be EG |
1550 | /* |
1551 | * Populate the state variables that the transport layer needs | |
1552 | * to know about. | |
1553 | */ | |
1554 | trans_cfg.op_mode = op_mode; | |
d663ee73 JB |
1555 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; |
1556 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); | |
b2cf410c | 1557 | trans_cfg.rx_buf_size_8k = iwlagn_mod_params.amsdu_size_8K; |
7c5ba4a8 JB |
1558 | if (!iwlagn_mod_params.wd_disable) |
1559 | trans_cfg.queue_watchdog_timeout = | |
1560 | cfg(priv)->base_params->wd_timeout; | |
1561 | else | |
1562 | trans_cfg.queue_watchdog_timeout = IWL_WATCHHDOG_DISABLED; | |
d9fb6465 | 1563 | trans_cfg.command_names = iwl_dvm_cmd_strings; |
9bdfbfad MV |
1564 | |
1565 | ucode_flags = fw->ucode_capa.flags; | |
1566 | ||
1567 | #ifndef CONFIG_IWLWIFI_P2P | |
ef213d6d | 1568 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
9bdfbfad | 1569 | #endif |
92d743ae | 1570 | |
c6f600fc MV |
1571 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1572 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
1573 | trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; | |
9eae88fa JB |
1574 | trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; |
1575 | trans_cfg.n_queue_to_fifo = | |
1576 | ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); | |
1577 | q_to_ac = iwlagn_pan_queue_to_ac; | |
1578 | n_q_to_ac = ARRAY_SIZE(iwlagn_pan_queue_to_ac); | |
c6f600fc MV |
1579 | } else { |
1580 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1581 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1582 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1583 | trans_cfg.n_queue_to_fifo = | |
1584 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
1585 | q_to_ac = iwlagn_bss_queue_to_ac; | |
1586 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); | |
c6f600fc MV |
1587 | } |
1588 | ||
92d743ae MV |
1589 | /* Configure transport layer */ |
1590 | iwl_trans_configure(trans(priv), &trans_cfg); | |
ed277c93 | 1591 | |
b2ea345e | 1592 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 1593 | |
d0f76d68 | 1594 | SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); |
b481de9c | 1595 | |
1589c562 | 1596 | /* show what debugging capabilities we have */ |
ebfa867d WYG |
1597 | iwl_debug_config(priv); |
1598 | ||
e1623446 | 1599 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
316c30d9 | 1600 | |
bee008b7 WYG |
1601 | /* is antenna coupling more than 35dB ? */ |
1602 | priv->bt_ant_couple_ok = | |
48f20d35 EG |
1603 | (iwlagn_mod_params.ant_coupling > |
1604 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? | |
1605 | true : false; | |
bee008b7 | 1606 | |
9f28ebc3 | 1607 | /* enable/disable bt channel inhibition */ |
48f20d35 | 1608 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
1609 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
1610 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 1611 | |
20594eb0 WYG |
1612 | if (iwl_alloc_traffic_mem(priv)) |
1613 | IWL_ERR(priv, "Not enough memory to generate traffic log\n"); | |
b481de9c | 1614 | |
731a29b7 | 1615 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
1616 | * we should init now |
1617 | */ | |
1042db2a | 1618 | spin_lock_init(&trans(priv)->reg_lock); |
4ff70fcd | 1619 | spin_lock_init(&priv->statistics.lock); |
4843b5a7 | 1620 | |
084dd791 | 1621 | /*********************** |
3dc420be | 1622 | * 2. Read REV register |
084dd791 | 1623 | ***********************/ |
c11362c0 | 1624 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
08079a49 | 1625 | cfg(priv)->name, trans(priv)->hw_rev); |
316c30d9 | 1626 | |
88f10a17 | 1627 | if (iwl_trans_start_hw(trans(priv))) |
b52e7ea1 | 1628 | goto out_free_traffic_mem; |
1e89cbac | 1629 | |
88f10a17 | 1630 | /* Read the EEPROM */ |
11483b5c | 1631 | if (iwl_eeprom_init(priv, trans(priv)->hw_rev)) { |
15b1687c | 1632 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
b52e7ea1 | 1633 | goto out_free_traffic_mem; |
316c30d9 | 1634 | } |
88f10a17 WYG |
1635 | /* Reset chip to save power until we load uCode during "up". */ |
1636 | iwl_trans_stop_hw(trans(priv)); | |
1637 | ||
1638 | if (iwl_eeprom_check_version(priv)) | |
c8f16138 | 1639 | goto out_free_eeprom; |
8614f360 | 1640 | |
88f10a17 | 1641 | if (iwl_eeprom_init_hw_params(priv)) |
21a5b3c6 WYG |
1642 | goto out_free_eeprom; |
1643 | ||
02883017 | 1644 | /* extract MAC Address */ |
11483b5c | 1645 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
c6fa17ed WYG |
1646 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
1647 | priv->hw->wiphy->addresses = priv->addresses; | |
1648 | priv->hw->wiphy->n_addresses = 1; | |
11483b5c | 1649 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
c6fa17ed WYG |
1650 | if (num_mac > 1) { |
1651 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
1652 | ETH_ALEN); | |
1653 | priv->addresses[1].addr[5]++; | |
1654 | priv->hw->wiphy->n_addresses++; | |
1655 | } | |
316c30d9 | 1656 | |
3dc420be EG |
1657 | /************************ |
1658 | * 4. Setup HW constants | |
1659 | ************************/ | |
1660 | iwl_set_hw_params(priv); | |
1661 | ||
9e295116 | 1662 | if (!(priv->hw_params.sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { |
3dc420be EG |
1663 | IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); |
1664 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
1665 | /* | |
1666 | * if not PAN, then don't support P2P -- might be a uCode | |
1667 | * packaging bug or due to the eeprom check above | |
1668 | */ | |
1669 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1670 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1671 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1672 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1673 | trans_cfg.n_queue_to_fifo = | |
1674 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
1675 | q_to_ac = iwlagn_bss_queue_to_ac; | |
1676 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); | |
3dc420be EG |
1677 | |
1678 | /* Configure transport layer again*/ | |
1679 | iwl_trans_configure(trans(priv), &trans_cfg); | |
1680 | } | |
1681 | ||
316c30d9 | 1682 | /******************* |
3dc420be | 1683 | * 5. Setup priv |
316c30d9 | 1684 | *******************/ |
9eae88fa JB |
1685 | for (i = 0; i < IEEE80211_NUM_ACS; i++) |
1686 | atomic_set(&priv->ac_stop_count[i], 0); | |
1687 | ||
1688 | for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { | |
1689 | if (i < n_q_to_ac) | |
1690 | priv->queue_to_ac[i] = q_to_ac[i]; | |
1691 | else | |
1692 | priv->queue_to_ac[i] = IWL_INVALID_AC; | |
1693 | } | |
1694 | ||
1695 | WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != | |
1696 | IWLAGN_CMD_FIFO_NUM); | |
b481de9c | 1697 | |
88f10a17 | 1698 | if (iwl_init_drv(priv)) |
399f4900 | 1699 | goto out_free_eeprom; |
88f10a17 | 1700 | |
bf85ea4f | 1701 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 1702 | |
316c30d9 | 1703 | /******************** |
3dc420be | 1704 | * 6. Setup services |
316c30d9 | 1705 | ********************/ |
4e39317d | 1706 | iwl_setup_deferred_work(priv); |
653fa4a0 | 1707 | iwl_setup_rx_handlers(priv); |
4613e72d | 1708 | iwl_testmode_init(priv); |
316c30d9 | 1709 | |
58d0f361 | 1710 | iwl_power_initialize(priv); |
39b73fb1 | 1711 | iwl_tt_initialize(priv); |
158bea07 | 1712 | |
e211b242 EG |
1713 | snprintf(priv->hw->wiphy->fw_version, |
1714 | sizeof(priv->hw->wiphy->fw_version), | |
1715 | "%s", fw->fw_version); | |
1716 | ||
1717 | priv->new_scan_threshold_behaviour = | |
a78be210 | 1718 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
562db532 | 1719 | |
e211b242 EG |
1720 | priv->phy_calib_chain_noise_reset_cmd = |
1721 | fw->ucode_capa.standard_phy_calibration_size; | |
1722 | priv->phy_calib_chain_noise_gain_cmd = | |
1723 | fw->ucode_capa.standard_phy_calibration_size + 1; | |
1724 | ||
1725 | /* initialize all valid contexts */ | |
a78be210 | 1726 | iwl_init_context(priv, ucode_flags); |
e211b242 EG |
1727 | |
1728 | /************************************************** | |
1729 | * This is still part of probe() in a sense... | |
1730 | * | |
3dc420be | 1731 | * 7. Setup and register with mac80211 and debugfs |
e211b242 | 1732 | **************************************************/ |
88f10a17 | 1733 | if (iwlagn_mac_setup_register(priv, &fw->ucode_capa)) |
7d47618a | 1734 | goto out_destroy_workqueue; |
158bea07 | 1735 | |
88f10a17 | 1736 | if (iwl_dbgfs_register(priv, DRV_NAME)) |
e211b242 | 1737 | IWL_ERR(priv, |
88f10a17 | 1738 | "failed to create debugfs files. Ignoring error\n"); |
e211b242 | 1739 | |
d0f76d68 | 1740 | return op_mode; |
b481de9c | 1741 | |
34c1b7ba | 1742 | out_destroy_workqueue: |
1ee158d8 JB |
1743 | destroy_workqueue(priv->workqueue); |
1744 | priv->workqueue = NULL; | |
6ba87956 | 1745 | iwl_uninit_drv(priv); |
34c1b7ba | 1746 | out_free_eeprom: |
11483b5c | 1747 | iwl_eeprom_free(priv); |
34c1b7ba | 1748 | out_free_traffic_mem: |
20594eb0 | 1749 | iwl_free_traffic_mem(priv); |
d7c76f4c | 1750 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 1751 | out: |
d0f76d68 EG |
1752 | op_mode = NULL; |
1753 | return op_mode; | |
b481de9c ZY |
1754 | } |
1755 | ||
50c1e9a9 | 1756 | void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) |
b481de9c | 1757 | { |
d0f76d68 EG |
1758 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
1759 | ||
e1623446 | 1760 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 1761 | |
67249625 | 1762 | iwl_dbgfs_unregister(priv); |
67249625 | 1763 | |
7a4e5281 | 1764 | iwl_testmode_cleanup(priv); |
09af1403 | 1765 | iwlagn_mac_unregister(priv); |
c4f55232 | 1766 | |
39b73fb1 WYG |
1767 | iwl_tt_exit(priv); |
1768 | ||
ae2c30bf | 1769 | /*This will stop the queues, move the device to low power state */ |
8f7ffbe2 | 1770 | priv->ucode_loaded = false; |
ae2c30bf | 1771 | iwl_trans_stop_device(trans(priv)); |
0359facc | 1772 | |
11483b5c | 1773 | iwl_eeprom_free(priv); |
b481de9c | 1774 | |
948c171c | 1775 | /*netif_stop_queue(dev); */ |
1ee158d8 | 1776 | flush_workqueue(priv->workqueue); |
948c171c | 1777 | |
ade4c649 | 1778 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
1ee158d8 | 1779 | * priv->workqueue... so we can't take down the workqueue |
b481de9c | 1780 | * until now... */ |
1ee158d8 JB |
1781 | destroy_workqueue(priv->workqueue); |
1782 | priv->workqueue = NULL; | |
20594eb0 | 1783 | iwl_free_traffic_mem(priv); |
b481de9c | 1784 | |
6ba87956 | 1785 | iwl_uninit_drv(priv); |
b481de9c | 1786 | |
77834543 | 1787 | dev_kfree_skb(priv->beacon_skb); |
b481de9c ZY |
1788 | |
1789 | ieee80211_free_hw(priv->hw); | |
1790 | } | |
1791 | ||
2fdfc476 MV |
1792 | static const char * const desc_lookup_text[] = { |
1793 | "OK", | |
1794 | "FAIL", | |
1795 | "BAD_PARAM", | |
1796 | "BAD_CHECKSUM", | |
1797 | "NMI_INTERRUPT_WDG", | |
1798 | "SYSASSERT", | |
1799 | "FATAL_ERROR", | |
1800 | "BAD_COMMAND", | |
1801 | "HW_ERROR_TUNE_LOCK", | |
1802 | "HW_ERROR_TEMPERATURE", | |
1803 | "ILLEGAL_CHAN_FREQ", | |
1804 | "VCC_NOT_STABLE", | |
1805 | "FH_ERROR", | |
1806 | "NMI_INTERRUPT_HOST", | |
1807 | "NMI_INTERRUPT_ACTION_PT", | |
1808 | "NMI_INTERRUPT_UNKNOWN", | |
1809 | "UCODE_VERSION_MISMATCH", | |
1810 | "HW_ERROR_ABS_LOCK", | |
1811 | "HW_ERROR_CAL_LOCK_FAIL", | |
1812 | "NMI_INTERRUPT_INST_ACTION_PT", | |
1813 | "NMI_INTERRUPT_DATA_ACTION_PT", | |
1814 | "NMI_TRM_HW_ER", | |
1815 | "NMI_INTERRUPT_TRM", | |
1816 | "NMI_INTERRUPT_BREAK_POINT", | |
1817 | "DEBUG_0", | |
1818 | "DEBUG_1", | |
1819 | "DEBUG_2", | |
1820 | "DEBUG_3", | |
1821 | }; | |
1822 | ||
1823 | static struct { char *name; u8 num; } advanced_lookup[] = { | |
1824 | { "NMI_INTERRUPT_WDG", 0x34 }, | |
1825 | { "SYSASSERT", 0x35 }, | |
1826 | { "UCODE_VERSION_MISMATCH", 0x37 }, | |
1827 | { "BAD_COMMAND", 0x38 }, | |
1828 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, | |
1829 | { "FATAL_ERROR", 0x3D }, | |
1830 | { "NMI_TRM_HW_ERR", 0x46 }, | |
1831 | { "NMI_INTERRUPT_TRM", 0x4C }, | |
1832 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, | |
1833 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, | |
1834 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, | |
1835 | { "NMI_INTERRUPT_HOST", 0x66 }, | |
1836 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, | |
1837 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, | |
1838 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, | |
1839 | { "ADVANCED_SYSASSERT", 0 }, | |
1840 | }; | |
1841 | ||
1842 | static const char *desc_lookup(u32 num) | |
1843 | { | |
1844 | int i; | |
1845 | int max = ARRAY_SIZE(desc_lookup_text); | |
1846 | ||
1847 | if (num < max) | |
1848 | return desc_lookup_text[num]; | |
1849 | ||
1850 | max = ARRAY_SIZE(advanced_lookup) - 1; | |
1851 | for (i = 0; i < max; i++) { | |
1852 | if (advanced_lookup[i].num == num) | |
1853 | break; | |
1854 | } | |
1855 | return advanced_lookup[i].name; | |
1856 | } | |
1857 | ||
1858 | #define ERROR_START_OFFSET (1 * sizeof(u32)) | |
1859 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) | |
1860 | ||
1861 | static void iwl_dump_nic_error_log(struct iwl_priv *priv) | |
1862 | { | |
1863 | struct iwl_trans *trans = trans(priv); | |
1864 | u32 base; | |
1865 | struct iwl_error_event_table table; | |
1866 | ||
1867 | base = priv->device_pointers.error_event_table; | |
a42506eb | 1868 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1869 | if (!base) |
e3ec26de | 1870 | base = priv->fw->init_errlog_ptr; |
2fdfc476 MV |
1871 | } else { |
1872 | if (!base) | |
e3ec26de | 1873 | base = priv->fw->inst_errlog_ptr; |
2fdfc476 MV |
1874 | } |
1875 | ||
1876 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
1877 | IWL_ERR(priv, | |
1878 | "Not valid error log pointer 0x%08X for %s uCode\n", | |
1879 | base, | |
a42506eb | 1880 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
1881 | ? "Init" : "RT"); |
1882 | return; | |
1883 | } | |
1884 | ||
1885 | /*TODO: Update dbgfs with ISR error stats obtained below */ | |
1886 | iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); | |
1887 | ||
1888 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | |
1889 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | |
1890 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | |
74fda971 | 1891 | priv->status, table.valid); |
2fdfc476 MV |
1892 | } |
1893 | ||
1894 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | |
1895 | table.data1, table.data2, table.line, | |
1896 | table.blink1, table.blink2, table.ilink1, | |
1897 | table.ilink2, table.bcon_time, table.gp1, | |
1898 | table.gp2, table.gp3, table.ucode_ver, | |
1899 | table.hw_ver, table.brd_ver); | |
1900 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, | |
1901 | desc_lookup(table.error_id)); | |
1902 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); | |
1903 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); | |
1904 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); | |
1905 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); | |
1906 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); | |
1907 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); | |
1908 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); | |
1909 | IWL_ERR(priv, "0x%08X | line\n", table.line); | |
1910 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); | |
1911 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); | |
1912 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); | |
1913 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); | |
1914 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); | |
1915 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); | |
1916 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); | |
1917 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); | |
1918 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); | |
1919 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); | |
1920 | IWL_ERR(priv, "0x%08X | isr0\n", table.isr0); | |
1921 | IWL_ERR(priv, "0x%08X | isr1\n", table.isr1); | |
1922 | IWL_ERR(priv, "0x%08X | isr2\n", table.isr2); | |
1923 | IWL_ERR(priv, "0x%08X | isr3\n", table.isr3); | |
1924 | IWL_ERR(priv, "0x%08X | isr4\n", table.isr4); | |
1925 | IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref); | |
1926 | IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event); | |
1927 | IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control); | |
1928 | IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration); | |
1929 | IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | |
1930 | IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | |
1931 | IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | |
1932 | IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp); | |
1933 | IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler); | |
1934 | } | |
1935 | ||
1936 | #define EVENT_START_OFFSET (4 * sizeof(u32)) | |
1937 | ||
1938 | /** | |
1939 | * iwl_print_event_log - Dump error event log to syslog | |
1940 | * | |
1941 | */ | |
1942 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, | |
1943 | u32 num_events, u32 mode, | |
1944 | int pos, char **buf, size_t bufsz) | |
1945 | { | |
1946 | u32 i; | |
1947 | u32 base; /* SRAM byte address of event log header */ | |
1948 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ | |
1949 | u32 ptr; /* SRAM byte address of log data */ | |
1950 | u32 ev, time, data; /* event log data */ | |
1951 | unsigned long reg_flags; | |
1952 | ||
1953 | struct iwl_trans *trans = trans(priv); | |
1954 | ||
1955 | if (num_events == 0) | |
1956 | return pos; | |
1957 | ||
1958 | base = priv->device_pointers.log_event_table; | |
a42506eb | 1959 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1960 | if (!base) |
e3ec26de | 1961 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 MV |
1962 | } else { |
1963 | if (!base) | |
e3ec26de | 1964 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
1965 | } |
1966 | ||
1967 | if (mode == 0) | |
1968 | event_size = 2 * sizeof(u32); | |
1969 | else | |
1970 | event_size = 3 * sizeof(u32); | |
1971 | ||
1972 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); | |
1973 | ||
1974 | /* Make sure device is powered up for SRAM reads */ | |
1975 | spin_lock_irqsave(&trans->reg_lock, reg_flags); | |
1976 | if (unlikely(!iwl_grab_nic_access(trans))) | |
1977 | goto out_unlock; | |
1978 | ||
1979 | /* Set starting address; reads will auto-increment */ | |
1980 | iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); | |
1981 | ||
1982 | /* "time" is actually "data" for mode 0 (no timestamp). | |
1983 | * place event id # at far right for easier visual parsing. */ | |
1984 | for (i = 0; i < num_events; i++) { | |
1985 | ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1986 | time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1987 | if (mode == 0) { | |
1988 | /* data, ev */ | |
1989 | if (bufsz) { | |
1990 | pos += scnprintf(*buf + pos, bufsz - pos, | |
1991 | "EVT_LOG:0x%08x:%04u\n", | |
1992 | time, ev); | |
1993 | } else { | |
1994 | trace_iwlwifi_dev_ucode_event(trans->dev, 0, | |
1995 | time, ev); | |
1996 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", | |
1997 | time, ev); | |
1998 | } | |
1999 | } else { | |
2000 | data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
2001 | if (bufsz) { | |
2002 | pos += scnprintf(*buf + pos, bufsz - pos, | |
2003 | "EVT_LOGT:%010u:0x%08x:%04u\n", | |
2004 | time, data, ev); | |
2005 | } else { | |
2006 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", | |
2007 | time, data, ev); | |
2008 | trace_iwlwifi_dev_ucode_event(trans->dev, time, | |
2009 | data, ev); | |
2010 | } | |
2011 | } | |
2012 | } | |
2013 | ||
2014 | /* Allow device to power down */ | |
2015 | iwl_release_nic_access(trans); | |
2016 | out_unlock: | |
2017 | spin_unlock_irqrestore(&trans->reg_lock, reg_flags); | |
2018 | return pos; | |
2019 | } | |
2020 | ||
2021 | /** | |
2022 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog | |
2023 | */ | |
2024 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, | |
2025 | u32 num_wraps, u32 next_entry, | |
2026 | u32 size, u32 mode, | |
2027 | int pos, char **buf, size_t bufsz) | |
2028 | { | |
2029 | /* | |
2030 | * display the newest DEFAULT_LOG_ENTRIES entries | |
2031 | * i.e the entries just before the next ont that uCode would fill. | |
2032 | */ | |
2033 | if (num_wraps) { | |
2034 | if (next_entry < size) { | |
2035 | pos = iwl_print_event_log(priv, | |
2036 | capacity - (size - next_entry), | |
2037 | size - next_entry, mode, | |
2038 | pos, buf, bufsz); | |
2039 | pos = iwl_print_event_log(priv, 0, | |
2040 | next_entry, mode, | |
2041 | pos, buf, bufsz); | |
2042 | } else | |
2043 | pos = iwl_print_event_log(priv, next_entry - size, | |
2044 | size, mode, pos, buf, bufsz); | |
2045 | } else { | |
2046 | if (next_entry < size) { | |
2047 | pos = iwl_print_event_log(priv, 0, next_entry, | |
2048 | mode, pos, buf, bufsz); | |
2049 | } else { | |
2050 | pos = iwl_print_event_log(priv, next_entry - size, | |
2051 | size, mode, pos, buf, bufsz); | |
2052 | } | |
2053 | } | |
2054 | return pos; | |
2055 | } | |
2056 | ||
2057 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) | |
2058 | ||
2059 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, | |
2060 | char **buf, bool display) | |
2061 | { | |
2062 | u32 base; /* SRAM byte address of event log header */ | |
2063 | u32 capacity; /* event log capacity in # entries */ | |
2064 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
2065 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
2066 | u32 next_entry; /* index of next entry to be written by uCode */ | |
2067 | u32 size; /* # entries that we'll print */ | |
2068 | u32 logsize; | |
2069 | int pos = 0; | |
2070 | size_t bufsz = 0; | |
2071 | struct iwl_trans *trans = trans(priv); | |
2072 | ||
2073 | base = priv->device_pointers.log_event_table; | |
a42506eb | 2074 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
e3ec26de | 2075 | logsize = priv->fw->init_evtlog_size; |
2fdfc476 | 2076 | if (!base) |
e3ec26de | 2077 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 | 2078 | } else { |
e3ec26de | 2079 | logsize = priv->fw->inst_evtlog_size; |
2fdfc476 | 2080 | if (!base) |
e3ec26de | 2081 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
2082 | } |
2083 | ||
2084 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
2085 | IWL_ERR(priv, | |
2086 | "Invalid event log pointer 0x%08X for %s uCode\n", | |
2087 | base, | |
a42506eb | 2088 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
2089 | ? "Init" : "RT"); |
2090 | return -EINVAL; | |
2091 | } | |
2092 | ||
2093 | /* event log header */ | |
2094 | capacity = iwl_read_targ_mem(trans, base); | |
2095 | mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); | |
2096 | num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); | |
2097 | next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); | |
2098 | ||
2099 | if (capacity > logsize) { | |
2100 | IWL_ERR(priv, "Log capacity %d is bogus, limit to %d " | |
2101 | "entries\n", capacity, logsize); | |
2102 | capacity = logsize; | |
2103 | } | |
2104 | ||
2105 | if (next_entry > logsize) { | |
2106 | IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", | |
2107 | next_entry, logsize); | |
2108 | next_entry = logsize; | |
2109 | } | |
2110 | ||
2111 | size = num_wraps ? capacity : next_entry; | |
2112 | ||
2113 | /* bail out if nothing in log */ | |
2114 | if (size == 0) { | |
2115 | IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); | |
2116 | return pos; | |
2117 | } | |
2118 | ||
2119 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2120 | if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) | |
2121 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2122 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2123 | #else | |
2124 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2125 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2126 | #endif | |
2127 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", | |
2128 | size); | |
2129 | ||
2130 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2131 | if (display) { | |
2132 | if (full_log) | |
2133 | bufsz = capacity * 48; | |
2134 | else | |
2135 | bufsz = size * 48; | |
2136 | *buf = kmalloc(bufsz, GFP_KERNEL); | |
2137 | if (!*buf) | |
2138 | return -ENOMEM; | |
2139 | } | |
2140 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { | |
2141 | /* | |
2142 | * if uCode has wrapped back to top of log, | |
2143 | * start at the oldest entry, | |
2144 | * i.e the next one that uCode would fill. | |
2145 | */ | |
2146 | if (num_wraps) | |
2147 | pos = iwl_print_event_log(priv, next_entry, | |
2148 | capacity - next_entry, mode, | |
2149 | pos, buf, bufsz); | |
2150 | /* (then/else) start at top of log */ | |
2151 | pos = iwl_print_event_log(priv, 0, | |
2152 | next_entry, mode, pos, buf, bufsz); | |
2153 | } else | |
2154 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2155 | next_entry, size, mode, | |
2156 | pos, buf, bufsz); | |
2157 | #else | |
2158 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2159 | next_entry, size, mode, | |
2160 | pos, buf, bufsz); | |
2161 | #endif | |
2162 | return pos; | |
2163 | } | |
2164 | ||
193219cf MV |
2165 | static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) |
2166 | { | |
2167 | unsigned int reload_msec; | |
2168 | unsigned long reload_jiffies; | |
2169 | ||
2170 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2171 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS)) | |
2172 | iwl_print_rx_config_cmd(priv, IWL_RXON_CTX_BSS); | |
2173 | #endif | |
2174 | ||
2175 | /* uCode is no longer loaded. */ | |
2176 | priv->ucode_loaded = false; | |
2177 | ||
2178 | /* Set the FW error flag -- cleared on iwl_down */ | |
2179 | set_bit(STATUS_FW_ERROR, &priv->status); | |
2180 | ||
193219cf MV |
2181 | iwl_abort_notification_waits(&priv->notif_wait); |
2182 | ||
2183 | /* Keep the restart process from trying to send host | |
2184 | * commands by clearing the ready bit */ | |
2185 | clear_bit(STATUS_READY, &priv->status); | |
2186 | ||
2187 | wake_up(&trans(priv)->wait_command_queue); | |
2188 | ||
2189 | if (!ondemand) { | |
2190 | /* | |
2191 | * If firmware keep reloading, then it indicate something | |
2192 | * serious wrong and firmware having problem to recover | |
2193 | * from it. Instead of keep trying which will fill the syslog | |
2194 | * and hang the system, let's just stop it | |
2195 | */ | |
2196 | reload_jiffies = jiffies; | |
2197 | reload_msec = jiffies_to_msecs((long) reload_jiffies - | |
2198 | (long) priv->reload_jiffies); | |
2199 | priv->reload_jiffies = reload_jiffies; | |
2200 | if (reload_msec <= IWL_MIN_RELOAD_DURATION) { | |
2201 | priv->reload_count++; | |
2202 | if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) { | |
2203 | IWL_ERR(priv, "BUG_ON, Stop restarting\n"); | |
2204 | return; | |
2205 | } | |
2206 | } else | |
2207 | priv->reload_count = 0; | |
2208 | } | |
2209 | ||
2210 | if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { | |
2211 | if (iwlagn_mod_params.restart_fw) { | |
2212 | IWL_DEBUG_FW_ERRORS(priv, | |
2213 | "Restarting adapter due to uCode error.\n"); | |
2214 | queue_work(priv->workqueue, &priv->restart); | |
2215 | } else | |
2216 | IWL_DEBUG_FW_ERRORS(priv, | |
2217 | "Detected FW error, but not restarting\n"); | |
2218 | } | |
2219 | } | |
2220 | ||
50c1e9a9 | 2221 | void iwl_nic_error(struct iwl_op_mode *op_mode) |
19469f47 MV |
2222 | { |
2223 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2224 | ||
2fdfc476 | 2225 | IWL_ERR(priv, "Loaded firmware version: %s\n", |
e3ec26de | 2226 | priv->fw->fw_version); |
2fdfc476 MV |
2227 | |
2228 | iwl_dump_nic_error_log(priv); | |
2229 | iwl_dump_nic_event_log(priv, false, NULL, false); | |
2230 | ||
19469f47 MV |
2231 | iwlagn_fw_error(priv, false); |
2232 | } | |
2233 | ||
50c1e9a9 | 2234 | void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) |
0e781842 JB |
2235 | { |
2236 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2237 | ||
2238 | if (!iwl_check_for_ct_kill(priv)) { | |
2239 | IWL_ERR(priv, "Restarting adapter queue is full\n"); | |
b7e21bf0 | 2240 | iwlagn_fw_error(priv, false); |
0e781842 JB |
2241 | } |
2242 | } | |
2243 | ||
50c1e9a9 | 2244 | void iwl_nic_config(struct iwl_op_mode *op_mode) |
ecdb975c JB |
2245 | { |
2246 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2247 | ||
e9676695 | 2248 | priv->lib->nic_config(priv); |
ecdb975c JB |
2249 | } |
2250 | ||
8a8bbdb4 DF |
2251 | static void iwl_wimax_active(struct iwl_op_mode *op_mode) |
2252 | { | |
2253 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2254 | ||
2255 | clear_bit(STATUS_READY, &priv->status); | |
2256 | IWL_ERR(priv, "RF is used by WiMAX\n"); | |
2257 | } | |
2258 | ||
50c1e9a9 | 2259 | void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2260 | { |
2261 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
9eae88fa JB |
2262 | int ac = priv->queue_to_ac[queue]; |
2263 | ||
2264 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) | |
2265 | return; | |
2266 | ||
2267 | if (atomic_inc_return(&priv->ac_stop_count[ac]) > 1) { | |
2268 | IWL_DEBUG_TX_QUEUES(priv, | |
2269 | "queue %d (AC %d) already stopped\n", | |
2270 | queue, ac); | |
2271 | return; | |
2272 | } | |
e755f882 JB |
2273 | |
2274 | set_bit(ac, &priv->transport_queue_stop); | |
2275 | ieee80211_stop_queue(priv->hw, ac); | |
2276 | } | |
2277 | ||
50c1e9a9 | 2278 | void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2279 | { |
2280 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
9eae88fa JB |
2281 | int ac = priv->queue_to_ac[queue]; |
2282 | ||
2283 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) | |
2284 | return; | |
2285 | ||
2286 | if (atomic_dec_return(&priv->ac_stop_count[ac]) > 0) { | |
2287 | IWL_DEBUG_TX_QUEUES(priv, | |
2288 | "queue %d (AC %d) already awake\n", | |
2289 | queue, ac); | |
2290 | return; | |
2291 | } | |
e755f882 JB |
2292 | |
2293 | clear_bit(ac, &priv->transport_queue_stop); | |
2294 | ||
2295 | if (!priv->passive_no_rx) | |
2296 | ieee80211_wake_queue(priv->hw, ac); | |
2297 | } | |
2298 | ||
2299 | void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) | |
2300 | { | |
2301 | int ac; | |
2302 | ||
2303 | if (!priv->passive_no_rx) | |
2304 | return; | |
2305 | ||
2306 | for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { | |
3251715d EG |
2307 | if (!test_bit(ac, &priv->transport_queue_stop)) { |
2308 | IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); | |
e755f882 | 2309 | ieee80211_wake_queue(priv->hw, ac); |
3251715d EG |
2310 | } else { |
2311 | IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); | |
2312 | } | |
e755f882 JB |
2313 | } |
2314 | ||
2315 | priv->passive_no_rx = false; | |
2316 | } | |
2317 | ||
50c1e9a9 | 2318 | void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) |
ae625db3 MV |
2319 | { |
2320 | struct ieee80211_tx_info *info; | |
2321 | ||
2322 | info = IEEE80211_SKB_CB(skb); | |
2323 | kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); | |
2324 | dev_kfree_skb_any(skb); | |
2325 | } | |
2326 | ||
50c1e9a9 | 2327 | void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) |
a297d95d MV |
2328 | { |
2329 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2330 | ||
2331 | if (state) | |
2332 | set_bit(STATUS_RF_KILL_HW, &priv->status); | |
2333 | else | |
2334 | clear_bit(STATUS_RF_KILL_HW, &priv->status); | |
2335 | ||
2336 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); | |
2337 | } | |
2338 | ||
d0f76d68 EG |
2339 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
2340 | .start = iwl_op_mode_dvm_start, | |
2341 | .stop = iwl_op_mode_dvm_stop, | |
db70f290 | 2342 | .rx = iwl_rx_dispatch, |
02e38358 EG |
2343 | .queue_full = iwl_stop_sw_queue, |
2344 | .queue_not_full = iwl_wake_sw_queue, | |
7120d989 | 2345 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
ed277c93 | 2346 | .free_skb = iwl_free_skb, |
bcb9321c | 2347 | .nic_error = iwl_nic_error, |
0e781842 | 2348 | .cmd_queue_full = iwl_cmd_queue_full, |
ecdb975c | 2349 | .nic_config = iwl_nic_config, |
8a8bbdb4 | 2350 | .wimax_active = iwl_wimax_active, |
d0f76d68 | 2351 | }; |
b481de9c ZY |
2352 | |
2353 | /***************************************************************************** | |
2354 | * | |
2355 | * driver and module entry point | |
2356 | * | |
2357 | *****************************************************************************/ | |
354928dd SG |
2358 | |
2359 | struct kmem_cache *iwl_tx_cmd_pool; | |
2360 | ||
5b9f8cd3 | 2361 | static int __init iwl_init(void) |
b481de9c ZY |
2362 | { |
2363 | ||
2364 | int ret; | |
c96c31e4 JP |
2365 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
2366 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 2367 | |
354928dd SG |
2368 | iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", |
2369 | sizeof(struct iwl_device_cmd), | |
2370 | sizeof(void *), 0, NULL); | |
2371 | if (!iwl_tx_cmd_pool) | |
2372 | return -ENOMEM; | |
2373 | ||
e227ceac | 2374 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 2375 | if (ret) { |
c96c31e4 | 2376 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
354928dd | 2377 | goto error_rc_register; |
897e1cf2 RC |
2378 | } |
2379 | ||
48d1a211 | 2380 | ret = iwl_pci_register_driver(); |
48d1a211 | 2381 | if (ret) |
354928dd | 2382 | goto error_pci_register; |
b481de9c | 2383 | return ret; |
897e1cf2 | 2384 | |
354928dd | 2385 | error_pci_register: |
e227ceac | 2386 | iwlagn_rate_control_unregister(); |
354928dd SG |
2387 | error_rc_register: |
2388 | kmem_cache_destroy(iwl_tx_cmd_pool); | |
897e1cf2 | 2389 | return ret; |
b481de9c ZY |
2390 | } |
2391 | ||
5b9f8cd3 | 2392 | static void __exit iwl_exit(void) |
b481de9c | 2393 | { |
48d1a211 | 2394 | iwl_pci_unregister_driver(); |
e227ceac | 2395 | iwlagn_rate_control_unregister(); |
354928dd | 2396 | kmem_cache_destroy(iwl_tx_cmd_pool); |
b481de9c ZY |
2397 | } |
2398 | ||
5b9f8cd3 EG |
2399 | module_exit(iwl_exit); |
2400 | module_init(iwl_init); | |
a562a9dd RC |
2401 | |
2402 | #ifdef CONFIG_IWLWIFI_DEBUG | |
48f20d35 EG |
2403 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
2404 | S_IRUGO | S_IWUSR); | |
a562a9dd RC |
2405 | MODULE_PARM_DESC(debug, "debug output mask"); |
2406 | #endif | |
2407 | ||
2b068618 WYG |
2408 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
2409 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
7428994d JB |
2410 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); |
2411 | MODULE_PARM_DESC(11n_disable, | |
2412 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); | |
2b068618 WYG |
2413 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
2414 | int, S_IRUGO); | |
2415 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
2b068618 WYG |
2416 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
2417 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
dd7a2509 | 2418 | |
48f20d35 EG |
2419 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
2420 | int, S_IRUGO); | |
bee008b7 WYG |
2421 | MODULE_PARM_DESC(antenna_coupling, |
2422 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
f37837c9 | 2423 | |
48f20d35 EG |
2424 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
2425 | bool, S_IRUGO); | |
9f28ebc3 | 2426 | MODULE_PARM_DESC(bt_ch_inhibition, |
fee84f0d | 2427 | "Enable BT channel inhibition (default: enable)"); |
b7977ffa SG |
2428 | |
2429 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); | |
2430 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
2431 | ||
9995ffe5 | 2432 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO); |
300d0834 | 2433 | MODULE_PARM_DESC(wd_disable, |
9995ffe5 WYG |
2434 | "Disable stuck queue watchdog timer 0=system default, " |
2435 | "1=disable, 2=enable (default: 0)"); | |
300d0834 | 2436 | |
b60eec9b WYG |
2437 | /* |
2438 | * set bt_coex_active to true, uCode will do kill/defer | |
2439 | * every time the priority line is asserted (BT is sending signals on the | |
2440 | * priority line in the PCIx). | |
2441 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
2442 | * perform the normal operation | |
2443 | * | |
2444 | * User might experience transmit issue on some platform due to WiFi/BT | |
2445 | * co-exist problem. The possible behaviors are: | |
2446 | * Able to scan and finding all the available AP | |
2447 | * Not able to associate with any AP | |
2448 | * On those platforms, WiFi communication can be restored by set | |
2449 | * "bt_coex_active" module parameter to "false" | |
2450 | * | |
2451 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
2452 | */ | |
2453 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, | |
2454 | bool, S_IRUGO); | |
2455 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
6b0184c4 WYG |
2456 | |
2457 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); | |
2458 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
42602dd4 | 2459 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); |
3f1e5f4a | 2460 | |
0172b029 WYG |
2461 | module_param_named(power_save, iwlagn_mod_params.power_save, |
2462 | bool, S_IRUGO); | |
2463 | MODULE_PARM_DESC(power_save, | |
2464 | "enable WiFi power management (default: disable)"); | |
2465 | ||
f7538168 WYG |
2466 | module_param_named(power_level, iwlagn_mod_params.power_level, |
2467 | int, S_IRUGO); | |
2468 | MODULE_PARM_DESC(power_level, | |
2469 | "default power save level (range from 1 - 5, default: 1)"); | |
2470 | ||
dd5b6d0a WYG |
2471 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
2472 | bool, S_IRUGO); | |
2473 | MODULE_PARM_DESC(auto_agg, | |
2474 | "enable agg w/o check traffic load (default: enable)"); |