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" |
3395f6e9 | 49 | #include "iwl-io.h" |
0de76736 | 50 | #include "iwl-agn-calib.h" |
a1175124 | 51 | #include "iwl-agn.h" |
c85eb619 | 52 | #include "iwl-trans.h" |
d0f76d68 | 53 | #include "iwl-op-mode.h" |
82575102 | 54 | #include "iwl-drv.h" |
65de7e84 | 55 | #include "iwl-modparams.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 */ | |
68e8dfda EG |
351 | spin_lock_irqsave(&priv->trans->reg_lock, reg_flags); |
352 | if (unlikely(!iwl_grab_nic_access(priv->trans))) { | |
353 | spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); | |
a9e1cb6a WYG |
354 | return; |
355 | } | |
356 | ||
357 | /* Set starting address; reads will auto-increment */ | |
68e8dfda | 358 | iwl_write32(priv->trans, 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++) { | |
68e8dfda EG |
374 | ev = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); |
375 | time = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); | |
a9e1cb6a | 376 | if (mode == 0) { |
6c1011e1 | 377 | trace_iwlwifi_dev_ucode_cont_event( |
68e8dfda | 378 | priv->trans->dev, 0, time, ev); |
a9e1cb6a | 379 | } else { |
68e8dfda | 380 | data = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); |
6c1011e1 | 381 | trace_iwlwifi_dev_ucode_cont_event( |
68e8dfda | 382 | priv->trans->dev, time, data, ev); |
a9e1cb6a WYG |
383 | } |
384 | } | |
385 | /* Allow device to power down */ | |
68e8dfda EG |
386 | iwl_release_nic_access(priv->trans); |
387 | spin_unlock_irqrestore(&priv->trans->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)) { |
68e8dfda | 406 | iwl_read_targ_mem_words(priv->trans, base, &read, sizeof(read)); |
98d4bf0c JB |
407 | capacity = read.capacity; |
408 | mode = read.mode; | |
409 | num_wraps = read.wrap_counter; | |
410 | next_entry = read.write_counter; | |
a9e1cb6a WYG |
411 | } else |
412 | return; | |
413 | ||
98d4bf0c JB |
414 | /* |
415 | * Unfortunately, the uCode doesn't use temporary variables. | |
416 | * Therefore, it can happen that we read next_entry == capacity, | |
417 | * which really means next_entry == 0. | |
418 | */ | |
419 | if (unlikely(next_entry == capacity)) | |
420 | next_entry = 0; | |
421 | /* | |
422 | * Additionally, the uCode increases the write pointer before | |
423 | * the wraps counter, so if the write pointer is smaller than | |
424 | * the old write pointer (wrap occurred) but we read that no | |
425 | * wrap occurred, we actually read between the next_entry and | |
426 | * num_wraps update (this does happen in practice!!) -- take | |
427 | * that into account by increasing num_wraps. | |
428 | */ | |
429 | if (unlikely(next_entry < priv->event_log.next_entry && | |
430 | num_wraps == priv->event_log.num_wraps)) | |
431 | num_wraps++; | |
432 | ||
a9e1cb6a | 433 | if (num_wraps == priv->event_log.num_wraps) { |
98d4bf0c JB |
434 | iwl_print_cont_event_trace( |
435 | priv, base, priv->event_log.next_entry, | |
436 | next_entry - priv->event_log.next_entry, | |
437 | capacity, mode); | |
438 | ||
a9e1cb6a WYG |
439 | priv->event_log.non_wraps_count++; |
440 | } else { | |
98d4bf0c | 441 | if (num_wraps - priv->event_log.num_wraps > 1) |
a9e1cb6a WYG |
442 | priv->event_log.wraps_more_count++; |
443 | else | |
444 | priv->event_log.wraps_once_count++; | |
98d4bf0c | 445 | |
68e8dfda | 446 | trace_iwlwifi_dev_ucode_wrap_event(priv->trans->dev, |
a9e1cb6a WYG |
447 | num_wraps - priv->event_log.num_wraps, |
448 | next_entry, priv->event_log.next_entry); | |
98d4bf0c | 449 | |
a9e1cb6a | 450 | if (next_entry < priv->event_log.next_entry) { |
98d4bf0c JB |
451 | iwl_print_cont_event_trace( |
452 | priv, base, priv->event_log.next_entry, | |
453 | capacity - priv->event_log.next_entry, | |
454 | capacity, mode); | |
a9e1cb6a | 455 | |
98d4bf0c JB |
456 | iwl_print_cont_event_trace( |
457 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a | 458 | } else { |
98d4bf0c JB |
459 | iwl_print_cont_event_trace( |
460 | priv, base, next_entry, | |
461 | capacity - next_entry, | |
462 | capacity, mode); | |
a9e1cb6a | 463 | |
98d4bf0c JB |
464 | iwl_print_cont_event_trace( |
465 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a WYG |
466 | } |
467 | } | |
98d4bf0c | 468 | |
a9e1cb6a WYG |
469 | priv->event_log.num_wraps = num_wraps; |
470 | priv->event_log.next_entry = next_entry; | |
471 | } | |
472 | ||
473 | /** | |
474 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
475 | * | |
476 | * The timer is continually set to execute every | |
477 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
478 | * this function is to perform continuous uCode event logging operation | |
479 | * if enabled | |
480 | */ | |
481 | static void iwl_bg_ucode_trace(unsigned long data) | |
482 | { | |
483 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
484 | ||
83626404 | 485 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
a9e1cb6a WYG |
486 | return; |
487 | ||
488 | if (priv->event_log.ucode_trace) { | |
489 | iwl_continuous_event_trace(priv); | |
490 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
491 | mod_timer(&priv->ucode_trace, | |
492 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
493 | } | |
494 | } | |
495 | ||
65550636 WYG |
496 | static void iwl_bg_tx_flush(struct work_struct *work) |
497 | { | |
498 | struct iwl_priv *priv = | |
499 | container_of(work, struct iwl_priv, tx_flush); | |
500 | ||
83626404 | 501 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
65550636 WYG |
502 | return; |
503 | ||
504 | /* do nothing if rf-kill is on */ | |
83626404 | 505 | if (!iwl_is_ready_rf(priv)) |
65550636 WYG |
506 | return; |
507 | ||
c68744fb WYG |
508 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
509 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
510 | } |
511 | ||
9eae88fa JB |
512 | /* |
513 | * queue/FIFO/AC mapping definitions | |
514 | */ | |
515 | ||
516 | #define IWL_TX_FIFO_BK 0 /* shared */ | |
517 | #define IWL_TX_FIFO_BE 1 | |
518 | #define IWL_TX_FIFO_VI 2 /* shared */ | |
519 | #define IWL_TX_FIFO_VO 3 | |
520 | #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK | |
521 | #define IWL_TX_FIFO_BE_IPAN 4 | |
522 | #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI | |
523 | #define IWL_TX_FIFO_VO_IPAN 5 | |
524 | /* re-uses the VO FIFO, uCode will properly flush/schedule */ | |
525 | #define IWL_TX_FIFO_AUX 5 | |
526 | #define IWL_TX_FIFO_UNUSED -1 | |
527 | ||
528 | #define IWLAGN_CMD_FIFO_NUM 7 | |
529 | ||
530 | /* | |
531 | * This queue number is required for proper operation | |
532 | * because the ucode will stop/start the scheduler as | |
533 | * required. | |
534 | */ | |
535 | #define IWL_IPAN_MCAST_QUEUE 8 | |
536 | ||
537 | static const u8 iwlagn_default_queue_to_tx_fifo[] = { | |
538 | IWL_TX_FIFO_VO, | |
539 | IWL_TX_FIFO_VI, | |
540 | IWL_TX_FIFO_BE, | |
541 | IWL_TX_FIFO_BK, | |
542 | IWLAGN_CMD_FIFO_NUM, | |
543 | }; | |
544 | ||
545 | static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { | |
546 | IWL_TX_FIFO_VO, | |
547 | IWL_TX_FIFO_VI, | |
548 | IWL_TX_FIFO_BE, | |
549 | IWL_TX_FIFO_BK, | |
550 | IWL_TX_FIFO_BK_IPAN, | |
551 | IWL_TX_FIFO_BE_IPAN, | |
552 | IWL_TX_FIFO_VI_IPAN, | |
553 | IWL_TX_FIFO_VO_IPAN, | |
554 | IWL_TX_FIFO_BE_IPAN, | |
555 | IWLAGN_CMD_FIFO_NUM, | |
556 | IWL_TX_FIFO_AUX, | |
557 | }; | |
558 | ||
559 | static const u8 iwlagn_bss_ac_to_fifo[] = { | |
560 | IWL_TX_FIFO_VO, | |
561 | IWL_TX_FIFO_VI, | |
562 | IWL_TX_FIFO_BE, | |
563 | IWL_TX_FIFO_BK, | |
564 | }; | |
565 | ||
566 | static const u8 iwlagn_bss_ac_to_queue[] = { | |
567 | 0, 1, 2, 3, | |
568 | }; | |
569 | ||
570 | static const u8 iwlagn_pan_ac_to_fifo[] = { | |
571 | IWL_TX_FIFO_VO_IPAN, | |
572 | IWL_TX_FIFO_VI_IPAN, | |
573 | IWL_TX_FIFO_BE_IPAN, | |
574 | IWL_TX_FIFO_BK_IPAN, | |
575 | }; | |
576 | ||
577 | static const u8 iwlagn_pan_ac_to_queue[] = { | |
578 | 7, 6, 5, 4, | |
579 | }; | |
580 | ||
50c1e9a9 | 581 | void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
4d2a5d0e | 582 | { |
4d2a5d0e JB |
583 | int i; |
584 | ||
585 | /* | |
586 | * The default context is always valid, | |
587 | * the PAN context depends on uCode. | |
588 | */ | |
a18f61bc | 589 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
4d2a5d0e | 590 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
a18f61bc | 591 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
4d2a5d0e JB |
592 | |
593 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
594 | priv->contexts[i].ctxid = i; | |
595 | ||
596 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
597 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
598 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
599 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
600 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
601 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
602 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
603 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
87272af7 | 604 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
4d2a5d0e JB |
605 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
606 | BIT(NL80211_IFTYPE_ADHOC); | |
607 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
608 | BIT(NL80211_IFTYPE_STATION); | |
609 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
610 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
611 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
612 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
9eae88fa JB |
613 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue, |
614 | iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue)); | |
615 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo, | |
616 | iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo)); | |
4d2a5d0e JB |
617 | |
618 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
619 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
620 | REPLY_WIPAN_RXON_TIMING; | |
621 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
622 | REPLY_WIPAN_RXON_ASSOC; | |
623 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
624 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
625 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
626 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
627 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
4d2a5d0e JB |
628 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
629 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
630 | |
631 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
632 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
633 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
634 | BIT(NL80211_IFTYPE_P2P_GO); | |
635 | ||
4d2a5d0e JB |
636 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
637 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
638 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
9eae88fa JB |
639 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue, |
640 | iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue)); | |
641 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo, | |
642 | iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo)); | |
643 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; | |
4d2a5d0e JB |
644 | |
645 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
646 | } | |
647 | ||
50c1e9a9 | 648 | void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
0975cc8f WYG |
649 | { |
650 | struct iwl_ct_kill_config cmd; | |
651 | struct iwl_ct_kill_throttling_config adv_cmd; | |
0975cc8f WYG |
652 | int ret = 0; |
653 | ||
68e8dfda | 654 | iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR, |
0975cc8f | 655 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
08ae86ac | 656 | |
0975cc8f WYG |
657 | priv->thermal_throttle.ct_kill_toggle = false; |
658 | ||
2152268f | 659 | if (priv->cfg->base_params->support_ct_kill_exit) { |
0975cc8f | 660 | adv_cmd.critical_temperature_enter = |
9e295116 | 661 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 662 | adv_cmd.critical_temperature_exit = |
9e295116 | 663 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
0975cc8f | 664 | |
e10a0533 | 665 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
666 | REPLY_CT_KILL_CONFIG_CMD, |
667 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
668 | if (ret) |
669 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
670 | else | |
671 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
672 | "succeeded, critical temperature enter is %d," |
673 | "exit is %d\n", | |
9e295116 JB |
674 | priv->hw_params.ct_kill_threshold, |
675 | priv->hw_params.ct_kill_exit_threshold); | |
0975cc8f WYG |
676 | } else { |
677 | cmd.critical_temperature_R = | |
9e295116 | 678 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 679 | |
e10a0533 | 680 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
681 | REPLY_CT_KILL_CONFIG_CMD, |
682 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
683 | if (ret) |
684 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
685 | else | |
686 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
687 | "succeeded, " |
688 | "critical temperature is %d\n", | |
9e295116 | 689 | priv->hw_params.ct_kill_threshold); |
0975cc8f WYG |
690 | } |
691 | } | |
692 | ||
6d6a1afd SZ |
693 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
694 | { | |
695 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
696 | struct iwl_host_cmd cmd = { | |
697 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
698 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
699 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
700 | }; |
701 | ||
702 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
af4dc88c | 703 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; |
7cb1b088 | 704 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 705 | |
e10a0533 | 706 | return iwl_dvm_send_cmd(priv, &cmd); |
6d6a1afd SZ |
707 | } |
708 | ||
709 | ||
e505c433 WYG |
710 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
711 | { | |
712 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
713 | .valid = cpu_to_le32(valid_tx_ant), | |
714 | }; | |
715 | ||
0692fe41 | 716 | if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { |
e505c433 | 717 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
e10a0533 | 718 | return iwl_dvm_send_cmd_pdu(priv, |
e505c433 WYG |
719 | TX_ANT_CONFIGURATION_CMD, |
720 | CMD_SYNC, | |
721 | sizeof(struct iwl_tx_ant_config_cmd), | |
722 | &tx_ant_cmd); | |
723 | } else { | |
724 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
725 | return -EOPNOTSUPP; | |
726 | } | |
727 | } | |
728 | ||
50c1e9a9 | 729 | void iwl_send_bt_config(struct iwl_priv *priv) |
e4c52ab4 MV |
730 | { |
731 | struct iwl_bt_cmd bt_cmd = { | |
732 | .lead_time = BT_LEAD_TIME_DEF, | |
733 | .max_kill = BT_MAX_KILL_DEF, | |
734 | .kill_ack_mask = 0, | |
735 | .kill_cts_mask = 0, | |
736 | }; | |
737 | ||
65de7e84 | 738 | if (!iwlwifi_mod_params.bt_coex_active) |
e4c52ab4 MV |
739 | bt_cmd.flags = BT_COEX_DISABLE; |
740 | else | |
741 | bt_cmd.flags = BT_COEX_ENABLE; | |
742 | ||
743 | priv->bt_enable_flag = bt_cmd.flags; | |
744 | IWL_DEBUG_INFO(priv, "BT coex %s\n", | |
745 | (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); | |
746 | ||
747 | if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, | |
748 | CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) | |
749 | IWL_ERR(priv, "failed to send BT Coex Config\n"); | |
750 | } | |
751 | ||
b481de9c | 752 | /** |
4a4a9e81 | 753 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 754 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 755 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 756 | */ |
4613e72d | 757 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 758 | { |
57aab75a | 759 | int ret = 0; |
246ed355 | 760 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 761 | |
ca7966c8 | 762 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 763 | |
5b9f8cd3 | 764 | /* After the ALIVE response, we can send host commands to the uCode */ |
83626404 | 765 | set_bit(STATUS_ALIVE, &priv->status); |
b481de9c | 766 | |
83626404 | 767 | if (iwl_is_rfkill(priv)) |
ca7966c8 | 768 | return -ERFKILL; |
b481de9c | 769 | |
98d4bf0c JB |
770 | if (priv->event_log.ucode_trace) { |
771 | /* start collecting data now */ | |
772 | mod_timer(&priv->ucode_trace, jiffies); | |
773 | } | |
774 | ||
bc795df1 | 775 | /* download priority table before any calibration request */ |
2152268f EG |
776 | if (priv->cfg->bt_params && |
777 | priv->cfg->bt_params->advanced_bt_coexist) { | |
f7322f8f | 778 | /* Configure Bluetooth device coexistence support */ |
2152268f | 779 | if (priv->cfg->bt_params->bt_sco_disable) |
207ecc5e MV |
780 | priv->bt_enable_pspoll = false; |
781 | else | |
782 | priv->bt_enable_pspoll = true; | |
783 | ||
f7322f8f WYG |
784 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
785 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
786 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 787 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 788 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
789 | priv->cur_rssi_ctx = NULL; |
790 | ||
e1991885 | 791 | iwl_send_prio_tbl(priv); |
f7322f8f WYG |
792 | |
793 | /* FIXME: w/a to force change uCode BT state machine */ | |
e1991885 | 794 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
ca7966c8 JB |
795 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
796 | if (ret) | |
797 | return ret; | |
e1991885 | 798 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
ca7966c8 JB |
799 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
800 | if (ret) | |
801 | return ret; | |
e55b517c WYG |
802 | } else { |
803 | /* | |
804 | * default is 2-wire BT coexexistence support | |
805 | */ | |
806 | iwl_send_bt_config(priv); | |
f7322f8f | 807 | } |
e55b517c | 808 | |
885765f1 VM |
809 | /* |
810 | * Perform runtime calibrations, including DC calibration. | |
811 | */ | |
812 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); | |
bc795df1 | 813 | |
36d6825b | 814 | ieee80211_wake_queues(priv->hw); |
b481de9c | 815 | |
2f748dec | 816 | /* Configure Tx antenna selection based on H/W config */ |
9e295116 | 817 | iwlagn_send_tx_ant_config(priv, priv->hw_params.valid_tx_ant); |
2f748dec | 818 | |
15b86bff | 819 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
c1adf9fb | 820 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 821 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 822 | /* apply any changes in staging */ |
246ed355 | 823 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
824 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
825 | } else { | |
d0fe478c | 826 | struct iwl_rxon_context *tmp; |
b481de9c | 827 | /* Initialize our rx_config data */ |
d0fe478c JB |
828 | for_each_context(priv, tmp) |
829 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 830 | |
e3f10cea | 831 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
832 | } |
833 | ||
15b86bff | 834 | if (!priv->wowlan) { |
c8ac61cf JB |
835 | /* WoWLAN ucode will not reply in the same way, skip it */ |
836 | iwl_reset_run_time_calib(priv); | |
837 | } | |
4a4a9e81 | 838 | |
83626404 | 839 | set_bit(STATUS_READY, &priv->status); |
9e2e7422 | 840 | |
b481de9c | 841 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 842 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
843 | if (ret) |
844 | return ret; | |
b481de9c ZY |
845 | |
846 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 847 | iwl_rf_kill_ct_config(priv); |
5a66926a | 848 | |
e1623446 | 849 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 850 | |
ca7966c8 | 851 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
852 | } |
853 | ||
d316383d JB |
854 | /** |
855 | * iwl_clear_driver_stations - clear knowledge of all stations from driver | |
856 | * @priv: iwl priv struct | |
857 | * | |
858 | * This is called during iwl_down() to make sure that in the case | |
859 | * we're coming there from a hardware restart mac80211 will be | |
860 | * able to reconfigure stations -- if we're getting there in the | |
861 | * normal down flow then the stations will already be cleared. | |
862 | */ | |
863 | static void iwl_clear_driver_stations(struct iwl_priv *priv) | |
864 | { | |
d316383d JB |
865 | struct iwl_rxon_context *ctx; |
866 | ||
fa23cb04 | 867 | spin_lock_bh(&priv->sta_lock); |
d316383d JB |
868 | memset(priv->stations, 0, sizeof(priv->stations)); |
869 | priv->num_stations = 0; | |
870 | ||
871 | priv->ucode_key_table = 0; | |
872 | ||
873 | for_each_context(priv, ctx) { | |
874 | /* | |
875 | * Remove all key information that is not stored as part | |
876 | * of station information since mac80211 may not have had | |
877 | * a chance to remove all the keys. When device is | |
878 | * reconfigured by mac80211 after an error all keys will | |
879 | * be reconfigured. | |
880 | */ | |
881 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); | |
882 | ctx->key_mapping_keys = 0; | |
883 | } | |
884 | ||
fa23cb04 | 885 | spin_unlock_bh(&priv->sta_lock); |
d316383d JB |
886 | } |
887 | ||
78e5a464 | 888 | void iwl_down(struct iwl_priv *priv) |
b481de9c | 889 | { |
22dd2fd2 | 890 | int exit_pending; |
b481de9c | 891 | |
e1623446 | 892 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 893 | |
b1eea297 | 894 | lockdep_assert_held(&priv->mutex); |
78e5a464 | 895 | |
d745d472 SG |
896 | iwl_scan_cancel_timeout(priv, 200); |
897 | ||
c6baf7fb JB |
898 | /* |
899 | * If active, scanning won't cancel it, so say it expired. | |
900 | * No race since we hold the mutex here and a new one | |
901 | * can't come in at this time. | |
902 | */ | |
903 | ieee80211_remain_on_channel_expired(priv->hw); | |
904 | ||
63013ae3 | 905 | exit_pending = |
83626404 | 906 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 907 | |
dcef732c | 908 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 909 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 910 | iwl_clear_driver_stations(priv); |
b481de9c | 911 | |
a1174138 | 912 | /* reset BT coex data */ |
da5dbb97 | 913 | priv->bt_status = 0; |
207ecc5e MV |
914 | priv->cur_rssi_ctx = NULL; |
915 | priv->bt_is_sco = 0; | |
2152268f | 916 | if (priv->cfg->bt_params) |
7cb1b088 | 917 | priv->bt_traffic_load = |
2152268f | 918 | priv->cfg->bt_params->bt_init_traffic_load; |
7cb1b088 WYG |
919 | else |
920 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
921 | priv->bt_full_concurrent = false; |
922 | priv->bt_ci_compliance = 0; | |
a1174138 | 923 | |
b481de9c ZY |
924 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
925 | * exiting the module */ | |
926 | if (!exit_pending) | |
83626404 | 927 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 928 | |
859cfb0a | 929 | if (priv->mac80211_registered) |
b481de9c ZY |
930 | ieee80211_stop_queues(priv->hw); |
931 | ||
8f7ffbe2 | 932 | priv->ucode_loaded = false; |
68e8dfda | 933 | iwl_trans_stop_device(priv->trans); |
909e9b23 | 934 | |
1a10f433 | 935 | /* Clear out all status bits but a few that are stable across reset */ |
1353a7ba | 936 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
b481de9c | 937 | STATUS_RF_KILL_HW | |
83626404 | 938 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
9788864e | 939 | STATUS_GEO_CONFIGURED | |
17acd0b6 DF |
940 | test_bit(STATUS_FW_ERROR, &priv->status) << |
941 | STATUS_FW_ERROR | | |
83626404 | 942 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
052ec3f1 | 943 | STATUS_EXIT_PENDING; |
b481de9c | 944 | |
77834543 | 945 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 946 | priv->beacon_skb = NULL; |
b481de9c ZY |
947 | } |
948 | ||
b481de9c ZY |
949 | /***************************************************************************** |
950 | * | |
951 | * Workqueue callbacks | |
952 | * | |
953 | *****************************************************************************/ | |
954 | ||
16e727e8 EG |
955 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
956 | { | |
957 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
958 | run_time_calib_work); | |
959 | ||
b1eea297 | 960 | mutex_lock(&priv->mutex); |
16e727e8 | 961 | |
83626404 DF |
962 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
963 | test_bit(STATUS_SCANNING, &priv->status)) { | |
b1eea297 | 964 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
965 | return; |
966 | } | |
967 | ||
968 | if (priv->start_calib) { | |
0da0e5bf JB |
969 | iwl_chain_noise_calibration(priv); |
970 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
971 | } |
972 | ||
b1eea297 | 973 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
974 | } |
975 | ||
7335613a | 976 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
e43e85c4 | 977 | { |
e43e85c4 JB |
978 | bool bt_full_concurrent; |
979 | u8 bt_ci_compliance; | |
980 | u8 bt_load; | |
981 | u8 bt_status; | |
207ecc5e | 982 | bool bt_is_sco; |
9eae88fa | 983 | int i; |
e43e85c4 | 984 | |
b1eea297 | 985 | lockdep_assert_held(&priv->mutex); |
e43e85c4 | 986 | |
e43e85c4 JB |
987 | priv->is_open = 0; |
988 | ||
989 | /* | |
990 | * __iwl_down() will clear the BT status variables, | |
991 | * which is correct, but when we restart we really | |
992 | * want to keep them so restore them afterwards. | |
993 | * | |
994 | * The restart process will later pick them up and | |
995 | * re-configure the hw when we reconfigure the BT | |
996 | * command. | |
997 | */ | |
998 | bt_full_concurrent = priv->bt_full_concurrent; | |
999 | bt_ci_compliance = priv->bt_ci_compliance; | |
1000 | bt_load = priv->bt_traffic_load; | |
1001 | bt_status = priv->bt_status; | |
207ecc5e | 1002 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 | 1003 | |
78e5a464 | 1004 | iwl_down(priv); |
e43e85c4 JB |
1005 | |
1006 | priv->bt_full_concurrent = bt_full_concurrent; | |
1007 | priv->bt_ci_compliance = bt_ci_compliance; | |
1008 | priv->bt_traffic_load = bt_load; | |
1009 | priv->bt_status = bt_status; | |
207ecc5e | 1010 | priv->bt_is_sco = bt_is_sco; |
9eae88fa | 1011 | |
1479177b | 1012 | /* reset aggregation queues */ |
9eae88fa | 1013 | for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++) |
1479177b JB |
1014 | priv->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; |
1015 | /* and stop counts */ | |
1016 | for (i = 0; i < IWL_MAX_HW_QUEUES; i++) | |
1017 | atomic_set(&priv->queue_stop_count[i], 0); | |
9eae88fa JB |
1018 | |
1019 | memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc)); | |
e43e85c4 JB |
1020 | } |
1021 | ||
5b9f8cd3 | 1022 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1023 | { |
c79dd5b5 | 1024 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1025 | |
83626404 | 1026 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
b481de9c ZY |
1027 | return; |
1028 | ||
17acd0b6 | 1029 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { |
b1eea297 | 1030 | mutex_lock(&priv->mutex); |
e43e85c4 | 1031 | iwlagn_prepare_restart(priv); |
b1eea297 | 1032 | mutex_unlock(&priv->mutex); |
a1174138 | 1033 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1034 | ieee80211_restart_hw(priv->hw); |
1035 | } else { | |
ca7966c8 | 1036 | WARN_ON(1); |
19cc1087 | 1037 | } |
b481de9c ZY |
1038 | } |
1039 | ||
0fd09502 | 1040 | |
0fd09502 | 1041 | |
0fd09502 | 1042 | |
7335613a | 1043 | void iwlagn_disable_roc(struct iwl_priv *priv) |
f0b6e2e8 | 1044 | { |
7335613a | 1045 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
f0b6e2e8 | 1046 | |
b1eea297 | 1047 | lockdep_assert_held(&priv->mutex); |
f0b6e2e8 | 1048 | |
7335613a WYG |
1049 | if (!priv->hw_roc_setup) |
1050 | return; | |
f0b6e2e8 | 1051 | |
7335613a WYG |
1052 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
1053 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; | |
f0b6e2e8 | 1054 | |
7335613a | 1055 | priv->hw_roc_channel = NULL; |
f0b6e2e8 | 1056 | |
7335613a | 1057 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
5ed540ae | 1058 | |
7335613a | 1059 | iwlagn_commit_rxon(priv, ctx); |
f0b6e2e8 | 1060 | |
7335613a WYG |
1061 | ctx->is_active = false; |
1062 | priv->hw_roc_setup = false; | |
f0b6e2e8 RC |
1063 | } |
1064 | ||
7335613a | 1065 | static void iwlagn_disable_roc_work(struct work_struct *work) |
b481de9c | 1066 | { |
7335613a WYG |
1067 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
1068 | hw_roc_disable_work.work); | |
b481de9c | 1069 | |
b1eea297 | 1070 | mutex_lock(&priv->mutex); |
7335613a | 1071 | iwlagn_disable_roc(priv); |
b1eea297 | 1072 | mutex_unlock(&priv->mutex); |
b481de9c ZY |
1073 | } |
1074 | ||
7335613a WYG |
1075 | /***************************************************************************** |
1076 | * | |
1077 | * driver setup and teardown | |
1078 | * | |
1079 | *****************************************************************************/ | |
1080 | ||
50c1e9a9 | 1081 | void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 1082 | { |
1ee158d8 | 1083 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c | 1084 | |
7335613a WYG |
1085 | INIT_WORK(&priv->restart, iwl_bg_restart); |
1086 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); | |
1087 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); | |
1088 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); | |
1089 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); | |
1090 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); | |
1091 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, | |
1092 | iwlagn_disable_roc_work); | |
e655b9f0 | 1093 | |
7335613a | 1094 | iwl_setup_scan_deferred_work(priv); |
5a66926a | 1095 | |
2152268f | 1096 | if (priv->cfg->bt_params) |
562f08eb | 1097 | iwlagn_bt_setup_deferred_work(priv); |
5a66926a | 1098 | |
7335613a WYG |
1099 | init_timer(&priv->statistics_periodic); |
1100 | priv->statistics_periodic.data = (unsigned long)priv; | |
1101 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; | |
6cd0b1cb | 1102 | |
7335613a WYG |
1103 | init_timer(&priv->ucode_trace); |
1104 | priv->ucode_trace.data = (unsigned long)priv; | |
1105 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
b481de9c ZY |
1106 | } |
1107 | ||
78e5a464 | 1108 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
c8ac61cf | 1109 | { |
2152268f | 1110 | if (priv->cfg->bt_params) |
562f08eb | 1111 | iwlagn_bt_cancel_deferred_work(priv); |
c8ac61cf | 1112 | |
7335613a WYG |
1113 | cancel_work_sync(&priv->run_time_calib_work); |
1114 | cancel_work_sync(&priv->beacon_update); | |
c8ac61cf | 1115 | |
7335613a | 1116 | iwl_cancel_scan_deferred_work(priv); |
c8ac61cf | 1117 | |
7335613a WYG |
1118 | cancel_work_sync(&priv->bt_full_concurrency); |
1119 | cancel_work_sync(&priv->bt_runtime_config); | |
1120 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); | |
c8ac61cf | 1121 | |
7335613a WYG |
1122 | del_timer_sync(&priv->statistics_periodic); |
1123 | del_timer_sync(&priv->ucode_trace); | |
1124 | } | |
c8ac61cf | 1125 | |
03dadf96 | 1126 | static void iwl_init_hw_rates(struct ieee80211_rate *rates) |
7335613a WYG |
1127 | { |
1128 | int i; | |
c8ac61cf | 1129 | |
7335613a WYG |
1130 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
1131 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
1132 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
1133 | rates[i].hw_value_short = i; | |
1134 | rates[i].flags = 0; | |
1135 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
1136 | /* | |
1137 | * If CCK != 1M then set short preamble rate flag. | |
1138 | */ | |
1139 | rates[i].flags |= | |
1140 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
1141 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
1142 | } | |
c8ac61cf | 1143 | } |
c8ac61cf JB |
1144 | } |
1145 | ||
533b4265 MV |
1146 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
1147 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ | |
1148 | static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, | |
1149 | struct ieee80211_sta_ht_cap *ht_info, | |
1150 | enum ieee80211_band band) | |
1151 | { | |
1152 | u16 max_bit_rate = 0; | |
9e295116 JB |
1153 | u8 rx_chains_num = priv->hw_params.rx_chains_num; |
1154 | u8 tx_chains_num = priv->hw_params.tx_chains_num; | |
533b4265 MV |
1155 | |
1156 | ht_info->cap = 0; | |
1157 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
1158 | ||
1159 | ht_info->ht_supported = true; | |
1160 | ||
2152268f EG |
1161 | if (priv->cfg->ht_params && |
1162 | priv->cfg->ht_params->ht_greenfield_support) | |
533b4265 MV |
1163 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
1164 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1165 | max_bit_rate = MAX_BIT_RATE_20_MHZ; | |
9e295116 | 1166 | if (priv->hw_params.ht40_channel & BIT(band)) { |
533b4265 MV |
1167 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
1168 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1169 | ht_info->mcs.rx_mask[4] = 0x01; | |
1170 | max_bit_rate = MAX_BIT_RATE_40_MHZ; | |
1171 | } | |
1172 | ||
65de7e84 | 1173 | if (iwlwifi_mod_params.amsdu_size_8K) |
533b4265 MV |
1174 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; |
1175 | ||
1176 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; | |
1177 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; | |
1178 | ||
1179 | ht_info->mcs.rx_mask[0] = 0xFF; | |
1180 | if (rx_chains_num >= 2) | |
1181 | ht_info->mcs.rx_mask[1] = 0xFF; | |
1182 | if (rx_chains_num >= 3) | |
1183 | ht_info->mcs.rx_mask[2] = 0xFF; | |
1184 | ||
1185 | /* Highest supported Rx data rate */ | |
1186 | max_bit_rate *= rx_chains_num; | |
1187 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); | |
1188 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); | |
1189 | ||
1190 | /* Tx MCS capabilities */ | |
1191 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1192 | if (tx_chains_num != rx_chains_num) { | |
1193 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; | |
1194 | ht_info->mcs.tx_params |= ((tx_chains_num - 1) << | |
1195 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | /** | |
1200 | * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom | |
1201 | */ | |
1202 | static int iwl_init_geos(struct iwl_priv *priv) | |
1203 | { | |
1204 | struct iwl_channel_info *ch; | |
1205 | struct ieee80211_supported_band *sband; | |
1206 | struct ieee80211_channel *channels; | |
1207 | struct ieee80211_channel *geo_ch; | |
1208 | struct ieee80211_rate *rates; | |
1209 | int i = 0; | |
1210 | s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN; | |
1211 | ||
1212 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || | |
1213 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { | |
1214 | IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); | |
1215 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | channels = kcalloc(priv->channel_count, | |
1220 | sizeof(struct ieee80211_channel), GFP_KERNEL); | |
1221 | if (!channels) | |
1222 | return -ENOMEM; | |
1223 | ||
1224 | rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), | |
1225 | GFP_KERNEL); | |
1226 | if (!rates) { | |
1227 | kfree(channels); | |
1228 | return -ENOMEM; | |
1229 | } | |
1230 | ||
1231 | /* 5.2GHz channels start after the 2.4GHz channels */ | |
1232 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; | |
1233 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; | |
1234 | /* just OFDM */ | |
1235 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; | |
1236 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; | |
1237 | ||
9e295116 | 1238 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1239 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1240 | IEEE80211_BAND_5GHZ); | |
1241 | ||
1242 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; | |
1243 | sband->channels = channels; | |
1244 | /* OFDM & CCK */ | |
1245 | sband->bitrates = rates; | |
1246 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY; | |
1247 | ||
9e295116 | 1248 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1249 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1250 | IEEE80211_BAND_2GHZ); | |
1251 | ||
1252 | priv->ieee_channels = channels; | |
1253 | priv->ieee_rates = rates; | |
1254 | ||
1255 | for (i = 0; i < priv->channel_count; i++) { | |
1256 | ch = &priv->channel_info[i]; | |
1257 | ||
1258 | /* FIXME: might be removed if scan is OK */ | |
1259 | if (!is_channel_valid(ch)) | |
1260 | continue; | |
1261 | ||
1262 | sband = &priv->bands[ch->band]; | |
1263 | ||
1264 | geo_ch = &sband->channels[sband->n_channels++]; | |
1265 | ||
1266 | geo_ch->center_freq = | |
1267 | ieee80211_channel_to_frequency(ch->channel, ch->band); | |
1268 | geo_ch->max_power = ch->max_power_avg; | |
1269 | geo_ch->max_antenna_gain = 0xff; | |
1270 | geo_ch->hw_value = ch->channel; | |
1271 | ||
1272 | if (is_channel_valid(ch)) { | |
1273 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) | |
1274 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; | |
1275 | ||
1276 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) | |
1277 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; | |
1278 | ||
1279 | if (ch->flags & EEPROM_CHANNEL_RADAR) | |
1280 | geo_ch->flags |= IEEE80211_CHAN_RADAR; | |
1281 | ||
1282 | geo_ch->flags |= ch->ht40_extension_channel; | |
1283 | ||
1284 | if (ch->max_power_avg > max_tx_power) | |
1285 | max_tx_power = ch->max_power_avg; | |
1286 | } else { | |
1287 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; | |
1288 | } | |
1289 | ||
1290 | IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", | |
1291 | ch->channel, geo_ch->center_freq, | |
1292 | is_channel_a_band(ch) ? "5.2" : "2.4", | |
1293 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? | |
1294 | "restricted" : "valid", | |
1295 | geo_ch->flags); | |
1296 | } | |
1297 | ||
1298 | priv->tx_power_device_lmt = max_tx_power; | |
1299 | priv->tx_power_user_lmt = max_tx_power; | |
1300 | priv->tx_power_next = max_tx_power; | |
1301 | ||
1302 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && | |
9e295116 | 1303 | priv->hw_params.sku & EEPROM_SKU_CAP_BAND_52GHZ) { |
533b4265 MV |
1304 | IWL_INFO(priv, "Incorrectly detected BG card as ABG. " |
1305 | "Please send your %s to maintainer.\n", | |
68e8dfda | 1306 | priv->trans->hw_id_str); |
9e295116 | 1307 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; |
533b4265 MV |
1308 | } |
1309 | ||
1310 | IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", | |
1311 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, | |
1312 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); | |
1313 | ||
1314 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1315 | ||
1316 | return 0; | |
1317 | } | |
1318 | ||
1319 | /* | |
1320 | * iwl_free_geos - undo allocations in iwl_init_geos | |
1321 | */ | |
1322 | static void iwl_free_geos(struct iwl_priv *priv) | |
1323 | { | |
1324 | kfree(priv->ieee_channels); | |
1325 | kfree(priv->ieee_rates); | |
1326 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1327 | } | |
1328 | ||
50c1e9a9 | 1329 | int iwl_init_drv(struct iwl_priv *priv) |
c8ac61cf | 1330 | { |
7335613a | 1331 | int ret; |
c8ac61cf | 1332 | |
fa23cb04 | 1333 | spin_lock_init(&priv->sta_lock); |
c8ac61cf | 1334 | |
b1eea297 | 1335 | mutex_init(&priv->mutex); |
c8ac61cf | 1336 | |
e1991885 | 1337 | INIT_LIST_HEAD(&priv->calib_results); |
80e83da7 | 1338 | |
7335613a WYG |
1339 | priv->ieee_channels = NULL; |
1340 | priv->ieee_rates = NULL; | |
1341 | priv->band = IEEE80211_BAND_2GHZ; | |
c8ac61cf | 1342 | |
ab5c0f1f | 1343 | priv->plcp_delta_threshold = |
2152268f | 1344 | priv->cfg->base_params->plcp_delta_threshold; |
ab5c0f1f | 1345 | |
7335613a WYG |
1346 | priv->iw_mode = NL80211_IFTYPE_STATION; |
1347 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; | |
1348 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; | |
1349 | priv->agg_tids_count = 0; | |
c8ac61cf | 1350 | |
947a9407 JB |
1351 | priv->ucode_owner = IWL_OWNERSHIP_DRIVER; |
1352 | ||
7335613a | 1353 | priv->rx_statistics_jiffies = jiffies; |
c8ac61cf | 1354 | |
7335613a WYG |
1355 | /* Choose which receivers/antennas to use */ |
1356 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); | |
c8ac61cf | 1357 | |
7335613a | 1358 | iwl_init_scan_params(priv); |
c8ac61cf | 1359 | |
7335613a | 1360 | /* init bt coex */ |
2152268f EG |
1361 | if (priv->cfg->bt_params && |
1362 | priv->cfg->bt_params->advanced_bt_coexist) { | |
7335613a WYG |
1363 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
1364 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
1365 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
1366 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; | |
1367 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
1368 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
1369 | } | |
c8ac61cf | 1370 | |
7335613a | 1371 | ret = iwl_init_channel_map(priv); |
c8ac61cf | 1372 | if (ret) { |
7335613a WYG |
1373 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
1374 | goto err; | |
c8ac61cf JB |
1375 | } |
1376 | ||
7335613a WYG |
1377 | ret = iwl_init_geos(priv); |
1378 | if (ret) { | |
1379 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
1380 | goto err_free_channel_map; | |
1381 | } | |
03dadf96 | 1382 | iwl_init_hw_rates(priv->ieee_rates); |
c8ac61cf | 1383 | |
7335613a | 1384 | return 0; |
c8ac61cf | 1385 | |
7335613a WYG |
1386 | err_free_channel_map: |
1387 | iwl_free_channel_map(priv); | |
1388 | err: | |
1389 | return ret; | |
1390 | } | |
c8ac61cf | 1391 | |
50c1e9a9 | 1392 | void iwl_uninit_drv(struct iwl_priv *priv) |
7335613a | 1393 | { |
7335613a WYG |
1394 | iwl_free_geos(priv); |
1395 | iwl_free_channel_map(priv); | |
7335613a WYG |
1396 | kfree(priv->scan_cmd); |
1397 | kfree(priv->beacon_cmd); | |
1398 | kfree(rcu_dereference_raw(priv->noa_data)); | |
e1991885 | 1399 | iwl_calib_free_results(priv); |
7335613a WYG |
1400 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1401 | kfree(priv->wowlan_sram); | |
1402 | #endif | |
1403 | } | |
c8ac61cf | 1404 | |
50c1e9a9 | 1405 | void iwl_set_hw_params(struct iwl_priv *priv) |
07d4f1ad | 1406 | { |
2152268f | 1407 | if (priv->cfg->ht_params) |
9e295116 | 1408 | priv->hw_params.use_rts_for_aggregation = |
2152268f | 1409 | priv->cfg->ht_params->use_rts_for_aggregation; |
b9ad70da | 1410 | |
65de7e84 | 1411 | if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
9e295116 | 1412 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad WYG |
1413 | |
1414 | /* Device-specific setup */ | |
e9676695 | 1415 | priv->lib->set_hw_params(priv); |
07d4f1ad WYG |
1416 | } |
1417 | ||
119ea186 | 1418 | |
119ea186 | 1419 | |
50c1e9a9 | 1420 | void iwl_debug_config(struct iwl_priv *priv) |
ebfa867d | 1421 | { |
68e8dfda | 1422 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEBUG " |
ebfa867d WYG |
1423 | #ifdef CONFIG_IWLWIFI_DEBUG |
1424 | "enabled\n"); | |
1425 | #else | |
1426 | "disabled\n"); | |
1427 | #endif | |
68e8dfda | 1428 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEBUGFS " |
ebfa867d WYG |
1429 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1430 | "enabled\n"); | |
1431 | #else | |
1432 | "disabled\n"); | |
1433 | #endif | |
68e8dfda | 1434 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
ebfa867d WYG |
1435 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
1436 | "enabled\n"); | |
1437 | #else | |
1438 | "disabled\n"); | |
1439 | #endif | |
1440 | ||
68e8dfda | 1441 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
5ef15ccc | 1442 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
ebfa867d WYG |
1443 | "enabled\n"); |
1444 | #else | |
1445 | "disabled\n"); | |
0cb38d65 | 1446 | #endif |
68e8dfda | 1447 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_P2P " |
0cb38d65 WYG |
1448 | #ifdef CONFIG_IWLWIFI_P2P |
1449 | "enabled\n"); | |
1450 | #else | |
1451 | "disabled\n"); | |
ebfa867d WYG |
1452 | #endif |
1453 | } | |
1454 | ||
0692fe41 | 1455 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, |
2152268f | 1456 | const struct iwl_cfg *cfg, |
0692fe41 | 1457 | const struct iwl_fw *fw) |
b2ea345e | 1458 | { |
b2ea345e WYG |
1459 | struct iwl_priv *priv; |
1460 | struct ieee80211_hw *hw; | |
d0f76d68 | 1461 | struct iwl_op_mode *op_mode; |
084dd791 | 1462 | u16 num_mac; |
a78be210 | 1463 | u32 ucode_flags; |
92d743ae | 1464 | struct iwl_trans_config trans_cfg; |
d663ee73 JB |
1465 | static const u8 no_reclaim_cmds[] = { |
1466 | REPLY_RX_PHY_CMD, | |
1467 | REPLY_RX, | |
1468 | REPLY_RX_MPDU_CMD, | |
1469 | REPLY_COMPRESSED_BA, | |
1470 | STATISTICS_NOTIFICATION, | |
1471 | REPLY_TX, | |
1472 | }; | |
9eae88fa | 1473 | int i; |
b2ea345e WYG |
1474 | |
1475 | /************************ | |
1476 | * 1. Allocating HW data | |
1477 | ************************/ | |
fa06ec79 | 1478 | hw = iwl_alloc_all(); |
b2ea345e | 1479 | if (!hw) { |
2152268f | 1480 | pr_err("%s: Cannot allocate network device\n", cfg->name); |
807caf26 EG |
1481 | goto out; |
1482 | } | |
1483 | ||
d0f76d68 EG |
1484 | op_mode = hw->priv; |
1485 | op_mode->ops = &iwl_dvm_ops; | |
1486 | priv = IWL_OP_MODE_GET_DVM(op_mode); | |
68e8dfda | 1487 | priv->trans = trans; |
4b9844f5 | 1488 | priv->dev = trans->dev; |
2152268f | 1489 | priv->cfg = cfg; |
0692fe41 | 1490 | priv->fw = fw; |
a48709c5 | 1491 | |
2152268f | 1492 | switch (priv->cfg->device_family) { |
e9676695 JB |
1493 | case IWL_DEVICE_FAMILY_1000: |
1494 | case IWL_DEVICE_FAMILY_100: | |
1495 | priv->lib = &iwl1000_lib; | |
1496 | break; | |
1497 | case IWL_DEVICE_FAMILY_2000: | |
1498 | case IWL_DEVICE_FAMILY_105: | |
1499 | priv->lib = &iwl2000_lib; | |
1500 | break; | |
1501 | case IWL_DEVICE_FAMILY_2030: | |
1502 | case IWL_DEVICE_FAMILY_135: | |
1503 | priv->lib = &iwl2030_lib; | |
1504 | break; | |
1505 | case IWL_DEVICE_FAMILY_5000: | |
1506 | priv->lib = &iwl5000_lib; | |
1507 | break; | |
1508 | case IWL_DEVICE_FAMILY_5150: | |
1509 | priv->lib = &iwl5150_lib; | |
1510 | break; | |
1511 | case IWL_DEVICE_FAMILY_6000: | |
1512 | case IWL_DEVICE_FAMILY_6005: | |
1513 | case IWL_DEVICE_FAMILY_6000i: | |
1514 | case IWL_DEVICE_FAMILY_6050: | |
1515 | case IWL_DEVICE_FAMILY_6150: | |
1516 | priv->lib = &iwl6000_lib; | |
1517 | break; | |
1518 | case IWL_DEVICE_FAMILY_6030: | |
1519 | priv->lib = &iwl6030_lib; | |
1520 | break; | |
1521 | default: | |
1522 | break; | |
1523 | } | |
1524 | ||
1525 | if (WARN_ON(!priv->lib)) | |
063c5166 | 1526 | goto out_free_hw; |
e9676695 | 1527 | |
3dc420be EG |
1528 | /* |
1529 | * Populate the state variables that the transport layer needs | |
1530 | * to know about. | |
1531 | */ | |
1532 | trans_cfg.op_mode = op_mode; | |
d663ee73 JB |
1533 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; |
1534 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); | |
65de7e84 JB |
1535 | trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; |
1536 | if (!iwlwifi_mod_params.wd_disable) | |
7c5ba4a8 | 1537 | trans_cfg.queue_watchdog_timeout = |
2152268f | 1538 | priv->cfg->base_params->wd_timeout; |
7c5ba4a8 JB |
1539 | else |
1540 | trans_cfg.queue_watchdog_timeout = IWL_WATCHHDOG_DISABLED; | |
d9fb6465 | 1541 | trans_cfg.command_names = iwl_dvm_cmd_strings; |
9bdfbfad MV |
1542 | |
1543 | ucode_flags = fw->ucode_capa.flags; | |
1544 | ||
1545 | #ifndef CONFIG_IWLWIFI_P2P | |
ef213d6d | 1546 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
9bdfbfad | 1547 | #endif |
92d743ae | 1548 | |
c6f600fc MV |
1549 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1550 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
1551 | trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; | |
9eae88fa JB |
1552 | trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; |
1553 | trans_cfg.n_queue_to_fifo = | |
1554 | ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); | |
c6f600fc MV |
1555 | } else { |
1556 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1557 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1558 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1559 | trans_cfg.n_queue_to_fifo = | |
1560 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
c6f600fc MV |
1561 | } |
1562 | ||
92d743ae | 1563 | /* Configure transport layer */ |
68e8dfda | 1564 | iwl_trans_configure(priv->trans, &trans_cfg); |
ed277c93 | 1565 | |
b2ea345e | 1566 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 1567 | |
68e8dfda | 1568 | SET_IEEE80211_DEV(priv->hw, priv->trans->dev); |
b481de9c | 1569 | |
1589c562 | 1570 | /* show what debugging capabilities we have */ |
ebfa867d WYG |
1571 | iwl_debug_config(priv); |
1572 | ||
e1623446 | 1573 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
316c30d9 | 1574 | |
bee008b7 WYG |
1575 | /* is antenna coupling more than 35dB ? */ |
1576 | priv->bt_ant_couple_ok = | |
65de7e84 | 1577 | (iwlwifi_mod_params.ant_coupling > |
48f20d35 EG |
1578 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? |
1579 | true : false; | |
bee008b7 | 1580 | |
9f28ebc3 | 1581 | /* enable/disable bt channel inhibition */ |
65de7e84 | 1582 | priv->bt_ch_announce = iwlwifi_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
1583 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
1584 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 1585 | |
731a29b7 | 1586 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
1587 | * we should init now |
1588 | */ | |
68e8dfda | 1589 | spin_lock_init(&priv->trans->reg_lock); |
4ff70fcd | 1590 | spin_lock_init(&priv->statistics.lock); |
4843b5a7 | 1591 | |
084dd791 | 1592 | /*********************** |
3dc420be | 1593 | * 2. Read REV register |
084dd791 | 1594 | ***********************/ |
c11362c0 | 1595 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
2152268f | 1596 | priv->cfg->name, priv->trans->hw_rev); |
316c30d9 | 1597 | |
68e8dfda | 1598 | if (iwl_trans_start_hw(priv->trans)) |
063c5166 | 1599 | goto out_free_hw; |
1e89cbac | 1600 | |
88f10a17 | 1601 | /* Read the EEPROM */ |
68e8dfda | 1602 | if (iwl_eeprom_init(priv, priv->trans->hw_rev)) { |
15b1687c | 1603 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
063c5166 | 1604 | goto out_free_hw; |
316c30d9 | 1605 | } |
88f10a17 | 1606 | /* Reset chip to save power until we load uCode during "up". */ |
218733cf | 1607 | iwl_trans_stop_hw(priv->trans, false); |
88f10a17 WYG |
1608 | |
1609 | if (iwl_eeprom_check_version(priv)) | |
c8f16138 | 1610 | goto out_free_eeprom; |
8614f360 | 1611 | |
88f10a17 | 1612 | if (iwl_eeprom_init_hw_params(priv)) |
21a5b3c6 WYG |
1613 | goto out_free_eeprom; |
1614 | ||
02883017 | 1615 | /* extract MAC Address */ |
11483b5c | 1616 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
c6fa17ed WYG |
1617 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
1618 | priv->hw->wiphy->addresses = priv->addresses; | |
1619 | priv->hw->wiphy->n_addresses = 1; | |
11483b5c | 1620 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
c6fa17ed WYG |
1621 | if (num_mac > 1) { |
1622 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
1623 | ETH_ALEN); | |
1624 | priv->addresses[1].addr[5]++; | |
1625 | priv->hw->wiphy->n_addresses++; | |
1626 | } | |
316c30d9 | 1627 | |
3dc420be EG |
1628 | /************************ |
1629 | * 4. Setup HW constants | |
1630 | ************************/ | |
1631 | iwl_set_hw_params(priv); | |
1632 | ||
9e295116 | 1633 | if (!(priv->hw_params.sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { |
3dc420be EG |
1634 | IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); |
1635 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
1636 | /* | |
1637 | * if not PAN, then don't support P2P -- might be a uCode | |
1638 | * packaging bug or due to the eeprom check above | |
1639 | */ | |
1640 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1641 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1642 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1643 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1644 | trans_cfg.n_queue_to_fifo = | |
1645 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
3dc420be EG |
1646 | |
1647 | /* Configure transport layer again*/ | |
68e8dfda | 1648 | iwl_trans_configure(priv->trans, &trans_cfg); |
3dc420be EG |
1649 | } |
1650 | ||
316c30d9 | 1651 | /******************* |
3dc420be | 1652 | * 5. Setup priv |
316c30d9 | 1653 | *******************/ |
9eae88fa | 1654 | for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { |
1479177b JB |
1655 | priv->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; |
1656 | if (i < IWLAGN_FIRST_AMPDU_QUEUE && | |
1657 | i != IWL_DEFAULT_CMD_QUEUE_NUM && | |
1658 | i != IWL_IPAN_CMD_QUEUE_NUM) | |
1659 | priv->queue_to_mac80211[i] = i; | |
1660 | atomic_set(&priv->queue_stop_count[i], 0); | |
9eae88fa JB |
1661 | } |
1662 | ||
1663 | WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != | |
1664 | IWLAGN_CMD_FIFO_NUM); | |
b481de9c | 1665 | |
88f10a17 | 1666 | if (iwl_init_drv(priv)) |
399f4900 | 1667 | goto out_free_eeprom; |
88f10a17 | 1668 | |
bf85ea4f | 1669 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 1670 | |
316c30d9 | 1671 | /******************** |
3dc420be | 1672 | * 6. Setup services |
316c30d9 | 1673 | ********************/ |
4e39317d | 1674 | iwl_setup_deferred_work(priv); |
653fa4a0 | 1675 | iwl_setup_rx_handlers(priv); |
4613e72d | 1676 | iwl_testmode_init(priv); |
316c30d9 | 1677 | |
58d0f361 | 1678 | iwl_power_initialize(priv); |
39b73fb1 | 1679 | iwl_tt_initialize(priv); |
158bea07 | 1680 | |
e211b242 EG |
1681 | snprintf(priv->hw->wiphy->fw_version, |
1682 | sizeof(priv->hw->wiphy->fw_version), | |
1683 | "%s", fw->fw_version); | |
1684 | ||
1685 | priv->new_scan_threshold_behaviour = | |
a78be210 | 1686 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
562db532 | 1687 | |
e211b242 EG |
1688 | priv->phy_calib_chain_noise_reset_cmd = |
1689 | fw->ucode_capa.standard_phy_calibration_size; | |
1690 | priv->phy_calib_chain_noise_gain_cmd = | |
1691 | fw->ucode_capa.standard_phy_calibration_size + 1; | |
1692 | ||
1693 | /* initialize all valid contexts */ | |
a78be210 | 1694 | iwl_init_context(priv, ucode_flags); |
e211b242 EG |
1695 | |
1696 | /************************************************** | |
1697 | * This is still part of probe() in a sense... | |
1698 | * | |
3dc420be | 1699 | * 7. Setup and register with mac80211 and debugfs |
e211b242 | 1700 | **************************************************/ |
88f10a17 | 1701 | if (iwlagn_mac_setup_register(priv, &fw->ucode_capa)) |
7d47618a | 1702 | goto out_destroy_workqueue; |
158bea07 | 1703 | |
88f10a17 | 1704 | if (iwl_dbgfs_register(priv, DRV_NAME)) |
e211b242 | 1705 | IWL_ERR(priv, |
88f10a17 | 1706 | "failed to create debugfs files. Ignoring error\n"); |
e211b242 | 1707 | |
d0f76d68 | 1708 | return op_mode; |
b481de9c | 1709 | |
34c1b7ba | 1710 | out_destroy_workqueue: |
1ee158d8 JB |
1711 | destroy_workqueue(priv->workqueue); |
1712 | priv->workqueue = NULL; | |
6ba87956 | 1713 | iwl_uninit_drv(priv); |
34c1b7ba | 1714 | out_free_eeprom: |
11483b5c | 1715 | iwl_eeprom_free(priv); |
063c5166 | 1716 | out_free_hw: |
d7c76f4c | 1717 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 1718 | out: |
d0f76d68 EG |
1719 | op_mode = NULL; |
1720 | return op_mode; | |
b481de9c ZY |
1721 | } |
1722 | ||
50c1e9a9 | 1723 | void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) |
b481de9c | 1724 | { |
d0f76d68 EG |
1725 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
1726 | ||
e1623446 | 1727 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 1728 | |
67249625 | 1729 | iwl_dbgfs_unregister(priv); |
67249625 | 1730 | |
7a4e5281 | 1731 | iwl_testmode_cleanup(priv); |
09af1403 | 1732 | iwlagn_mac_unregister(priv); |
c4f55232 | 1733 | |
39b73fb1 WYG |
1734 | iwl_tt_exit(priv); |
1735 | ||
ae2c30bf | 1736 | /*This will stop the queues, move the device to low power state */ |
8f7ffbe2 | 1737 | priv->ucode_loaded = false; |
68e8dfda | 1738 | iwl_trans_stop_device(priv->trans); |
0359facc | 1739 | |
11483b5c | 1740 | iwl_eeprom_free(priv); |
b481de9c | 1741 | |
948c171c | 1742 | /*netif_stop_queue(dev); */ |
1ee158d8 | 1743 | flush_workqueue(priv->workqueue); |
948c171c | 1744 | |
ade4c649 | 1745 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
1ee158d8 | 1746 | * priv->workqueue... so we can't take down the workqueue |
b481de9c | 1747 | * until now... */ |
1ee158d8 JB |
1748 | destroy_workqueue(priv->workqueue); |
1749 | priv->workqueue = NULL; | |
b481de9c | 1750 | |
6ba87956 | 1751 | iwl_uninit_drv(priv); |
b481de9c | 1752 | |
77834543 | 1753 | dev_kfree_skb(priv->beacon_skb); |
b481de9c | 1754 | |
218733cf | 1755 | iwl_trans_stop_hw(priv->trans, true); |
b481de9c ZY |
1756 | ieee80211_free_hw(priv->hw); |
1757 | } | |
1758 | ||
2fdfc476 MV |
1759 | static const char * const desc_lookup_text[] = { |
1760 | "OK", | |
1761 | "FAIL", | |
1762 | "BAD_PARAM", | |
1763 | "BAD_CHECKSUM", | |
1764 | "NMI_INTERRUPT_WDG", | |
1765 | "SYSASSERT", | |
1766 | "FATAL_ERROR", | |
1767 | "BAD_COMMAND", | |
1768 | "HW_ERROR_TUNE_LOCK", | |
1769 | "HW_ERROR_TEMPERATURE", | |
1770 | "ILLEGAL_CHAN_FREQ", | |
1771 | "VCC_NOT_STABLE", | |
1772 | "FH_ERROR", | |
1773 | "NMI_INTERRUPT_HOST", | |
1774 | "NMI_INTERRUPT_ACTION_PT", | |
1775 | "NMI_INTERRUPT_UNKNOWN", | |
1776 | "UCODE_VERSION_MISMATCH", | |
1777 | "HW_ERROR_ABS_LOCK", | |
1778 | "HW_ERROR_CAL_LOCK_FAIL", | |
1779 | "NMI_INTERRUPT_INST_ACTION_PT", | |
1780 | "NMI_INTERRUPT_DATA_ACTION_PT", | |
1781 | "NMI_TRM_HW_ER", | |
1782 | "NMI_INTERRUPT_TRM", | |
1783 | "NMI_INTERRUPT_BREAK_POINT", | |
1784 | "DEBUG_0", | |
1785 | "DEBUG_1", | |
1786 | "DEBUG_2", | |
1787 | "DEBUG_3", | |
1788 | }; | |
1789 | ||
1790 | static struct { char *name; u8 num; } advanced_lookup[] = { | |
1791 | { "NMI_INTERRUPT_WDG", 0x34 }, | |
1792 | { "SYSASSERT", 0x35 }, | |
1793 | { "UCODE_VERSION_MISMATCH", 0x37 }, | |
1794 | { "BAD_COMMAND", 0x38 }, | |
1795 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, | |
1796 | { "FATAL_ERROR", 0x3D }, | |
1797 | { "NMI_TRM_HW_ERR", 0x46 }, | |
1798 | { "NMI_INTERRUPT_TRM", 0x4C }, | |
1799 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, | |
1800 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, | |
1801 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, | |
1802 | { "NMI_INTERRUPT_HOST", 0x66 }, | |
1803 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, | |
1804 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, | |
1805 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, | |
1806 | { "ADVANCED_SYSASSERT", 0 }, | |
1807 | }; | |
1808 | ||
1809 | static const char *desc_lookup(u32 num) | |
1810 | { | |
1811 | int i; | |
1812 | int max = ARRAY_SIZE(desc_lookup_text); | |
1813 | ||
1814 | if (num < max) | |
1815 | return desc_lookup_text[num]; | |
1816 | ||
1817 | max = ARRAY_SIZE(advanced_lookup) - 1; | |
1818 | for (i = 0; i < max; i++) { | |
1819 | if (advanced_lookup[i].num == num) | |
1820 | break; | |
1821 | } | |
1822 | return advanced_lookup[i].name; | |
1823 | } | |
1824 | ||
1825 | #define ERROR_START_OFFSET (1 * sizeof(u32)) | |
1826 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) | |
1827 | ||
1828 | static void iwl_dump_nic_error_log(struct iwl_priv *priv) | |
1829 | { | |
68e8dfda | 1830 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
1831 | u32 base; |
1832 | struct iwl_error_event_table table; | |
1833 | ||
1834 | base = priv->device_pointers.error_event_table; | |
a42506eb | 1835 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1836 | if (!base) |
e3ec26de | 1837 | base = priv->fw->init_errlog_ptr; |
2fdfc476 MV |
1838 | } else { |
1839 | if (!base) | |
e3ec26de | 1840 | base = priv->fw->inst_errlog_ptr; |
2fdfc476 MV |
1841 | } |
1842 | ||
1843 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
1844 | IWL_ERR(priv, | |
1845 | "Not valid error log pointer 0x%08X for %s uCode\n", | |
1846 | base, | |
a42506eb | 1847 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
1848 | ? "Init" : "RT"); |
1849 | return; | |
1850 | } | |
1851 | ||
1852 | /*TODO: Update dbgfs with ISR error stats obtained below */ | |
1853 | iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); | |
1854 | ||
1855 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | |
1856 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | |
1857 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | |
74fda971 | 1858 | priv->status, table.valid); |
2fdfc476 MV |
1859 | } |
1860 | ||
1861 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | |
1862 | table.data1, table.data2, table.line, | |
1863 | table.blink1, table.blink2, table.ilink1, | |
1864 | table.ilink2, table.bcon_time, table.gp1, | |
1865 | table.gp2, table.gp3, table.ucode_ver, | |
1866 | table.hw_ver, table.brd_ver); | |
1867 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, | |
1868 | desc_lookup(table.error_id)); | |
1869 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); | |
1870 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); | |
1871 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); | |
1872 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); | |
1873 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); | |
1874 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); | |
1875 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); | |
1876 | IWL_ERR(priv, "0x%08X | line\n", table.line); | |
1877 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); | |
1878 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); | |
1879 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); | |
1880 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); | |
1881 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); | |
1882 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); | |
1883 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); | |
1884 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); | |
1885 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); | |
1886 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); | |
1887 | IWL_ERR(priv, "0x%08X | isr0\n", table.isr0); | |
1888 | IWL_ERR(priv, "0x%08X | isr1\n", table.isr1); | |
1889 | IWL_ERR(priv, "0x%08X | isr2\n", table.isr2); | |
1890 | IWL_ERR(priv, "0x%08X | isr3\n", table.isr3); | |
1891 | IWL_ERR(priv, "0x%08X | isr4\n", table.isr4); | |
1892 | IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref); | |
1893 | IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event); | |
1894 | IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control); | |
1895 | IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration); | |
1896 | IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | |
1897 | IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | |
1898 | IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | |
1899 | IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp); | |
1900 | IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler); | |
1901 | } | |
1902 | ||
1903 | #define EVENT_START_OFFSET (4 * sizeof(u32)) | |
1904 | ||
1905 | /** | |
1906 | * iwl_print_event_log - Dump error event log to syslog | |
1907 | * | |
1908 | */ | |
1909 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, | |
1910 | u32 num_events, u32 mode, | |
1911 | int pos, char **buf, size_t bufsz) | |
1912 | { | |
1913 | u32 i; | |
1914 | u32 base; /* SRAM byte address of event log header */ | |
1915 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ | |
1916 | u32 ptr; /* SRAM byte address of log data */ | |
1917 | u32 ev, time, data; /* event log data */ | |
1918 | unsigned long reg_flags; | |
1919 | ||
68e8dfda | 1920 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
1921 | |
1922 | if (num_events == 0) | |
1923 | return pos; | |
1924 | ||
1925 | base = priv->device_pointers.log_event_table; | |
a42506eb | 1926 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1927 | if (!base) |
e3ec26de | 1928 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 MV |
1929 | } else { |
1930 | if (!base) | |
e3ec26de | 1931 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
1932 | } |
1933 | ||
1934 | if (mode == 0) | |
1935 | event_size = 2 * sizeof(u32); | |
1936 | else | |
1937 | event_size = 3 * sizeof(u32); | |
1938 | ||
1939 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); | |
1940 | ||
1941 | /* Make sure device is powered up for SRAM reads */ | |
1942 | spin_lock_irqsave(&trans->reg_lock, reg_flags); | |
1943 | if (unlikely(!iwl_grab_nic_access(trans))) | |
1944 | goto out_unlock; | |
1945 | ||
1946 | /* Set starting address; reads will auto-increment */ | |
1947 | iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); | |
1948 | ||
1949 | /* "time" is actually "data" for mode 0 (no timestamp). | |
1950 | * place event id # at far right for easier visual parsing. */ | |
1951 | for (i = 0; i < num_events; i++) { | |
1952 | ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1953 | time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1954 | if (mode == 0) { | |
1955 | /* data, ev */ | |
1956 | if (bufsz) { | |
1957 | pos += scnprintf(*buf + pos, bufsz - pos, | |
1958 | "EVT_LOG:0x%08x:%04u\n", | |
1959 | time, ev); | |
1960 | } else { | |
1961 | trace_iwlwifi_dev_ucode_event(trans->dev, 0, | |
1962 | time, ev); | |
1963 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", | |
1964 | time, ev); | |
1965 | } | |
1966 | } else { | |
1967 | data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1968 | if (bufsz) { | |
1969 | pos += scnprintf(*buf + pos, bufsz - pos, | |
1970 | "EVT_LOGT:%010u:0x%08x:%04u\n", | |
1971 | time, data, ev); | |
1972 | } else { | |
1973 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", | |
1974 | time, data, ev); | |
1975 | trace_iwlwifi_dev_ucode_event(trans->dev, time, | |
1976 | data, ev); | |
1977 | } | |
1978 | } | |
1979 | } | |
1980 | ||
1981 | /* Allow device to power down */ | |
1982 | iwl_release_nic_access(trans); | |
1983 | out_unlock: | |
1984 | spin_unlock_irqrestore(&trans->reg_lock, reg_flags); | |
1985 | return pos; | |
1986 | } | |
1987 | ||
1988 | /** | |
1989 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog | |
1990 | */ | |
1991 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, | |
1992 | u32 num_wraps, u32 next_entry, | |
1993 | u32 size, u32 mode, | |
1994 | int pos, char **buf, size_t bufsz) | |
1995 | { | |
1996 | /* | |
1997 | * display the newest DEFAULT_LOG_ENTRIES entries | |
1998 | * i.e the entries just before the next ont that uCode would fill. | |
1999 | */ | |
2000 | if (num_wraps) { | |
2001 | if (next_entry < size) { | |
2002 | pos = iwl_print_event_log(priv, | |
2003 | capacity - (size - next_entry), | |
2004 | size - next_entry, mode, | |
2005 | pos, buf, bufsz); | |
2006 | pos = iwl_print_event_log(priv, 0, | |
2007 | next_entry, mode, | |
2008 | pos, buf, bufsz); | |
2009 | } else | |
2010 | pos = iwl_print_event_log(priv, next_entry - size, | |
2011 | size, mode, pos, buf, bufsz); | |
2012 | } else { | |
2013 | if (next_entry < size) { | |
2014 | pos = iwl_print_event_log(priv, 0, next_entry, | |
2015 | mode, pos, buf, bufsz); | |
2016 | } else { | |
2017 | pos = iwl_print_event_log(priv, next_entry - size, | |
2018 | size, mode, pos, buf, bufsz); | |
2019 | } | |
2020 | } | |
2021 | return pos; | |
2022 | } | |
2023 | ||
2024 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) | |
2025 | ||
2026 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, | |
2027 | char **buf, bool display) | |
2028 | { | |
2029 | u32 base; /* SRAM byte address of event log header */ | |
2030 | u32 capacity; /* event log capacity in # entries */ | |
2031 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
2032 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
2033 | u32 next_entry; /* index of next entry to be written by uCode */ | |
2034 | u32 size; /* # entries that we'll print */ | |
2035 | u32 logsize; | |
2036 | int pos = 0; | |
2037 | size_t bufsz = 0; | |
68e8dfda | 2038 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
2039 | |
2040 | base = priv->device_pointers.log_event_table; | |
a42506eb | 2041 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
e3ec26de | 2042 | logsize = priv->fw->init_evtlog_size; |
2fdfc476 | 2043 | if (!base) |
e3ec26de | 2044 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 | 2045 | } else { |
e3ec26de | 2046 | logsize = priv->fw->inst_evtlog_size; |
2fdfc476 | 2047 | if (!base) |
e3ec26de | 2048 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
2049 | } |
2050 | ||
2051 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
2052 | IWL_ERR(priv, | |
2053 | "Invalid event log pointer 0x%08X for %s uCode\n", | |
2054 | base, | |
a42506eb | 2055 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
2056 | ? "Init" : "RT"); |
2057 | return -EINVAL; | |
2058 | } | |
2059 | ||
2060 | /* event log header */ | |
2061 | capacity = iwl_read_targ_mem(trans, base); | |
2062 | mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); | |
2063 | num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); | |
2064 | next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); | |
2065 | ||
2066 | if (capacity > logsize) { | |
2067 | IWL_ERR(priv, "Log capacity %d is bogus, limit to %d " | |
2068 | "entries\n", capacity, logsize); | |
2069 | capacity = logsize; | |
2070 | } | |
2071 | ||
2072 | if (next_entry > logsize) { | |
2073 | IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", | |
2074 | next_entry, logsize); | |
2075 | next_entry = logsize; | |
2076 | } | |
2077 | ||
2078 | size = num_wraps ? capacity : next_entry; | |
2079 | ||
2080 | /* bail out if nothing in log */ | |
2081 | if (size == 0) { | |
2082 | IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); | |
2083 | return pos; | |
2084 | } | |
2085 | ||
2086 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2087 | if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) | |
2088 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2089 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2090 | #else | |
2091 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2092 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2093 | #endif | |
2094 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", | |
2095 | size); | |
2096 | ||
2097 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2098 | if (display) { | |
2099 | if (full_log) | |
2100 | bufsz = capacity * 48; | |
2101 | else | |
2102 | bufsz = size * 48; | |
2103 | *buf = kmalloc(bufsz, GFP_KERNEL); | |
2104 | if (!*buf) | |
2105 | return -ENOMEM; | |
2106 | } | |
2107 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { | |
2108 | /* | |
2109 | * if uCode has wrapped back to top of log, | |
2110 | * start at the oldest entry, | |
2111 | * i.e the next one that uCode would fill. | |
2112 | */ | |
2113 | if (num_wraps) | |
2114 | pos = iwl_print_event_log(priv, next_entry, | |
2115 | capacity - next_entry, mode, | |
2116 | pos, buf, bufsz); | |
2117 | /* (then/else) start at top of log */ | |
2118 | pos = iwl_print_event_log(priv, 0, | |
2119 | next_entry, mode, pos, buf, bufsz); | |
2120 | } else | |
2121 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2122 | next_entry, size, mode, | |
2123 | pos, buf, bufsz); | |
2124 | #else | |
2125 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2126 | next_entry, size, mode, | |
2127 | pos, buf, bufsz); | |
2128 | #endif | |
2129 | return pos; | |
2130 | } | |
2131 | ||
193219cf MV |
2132 | static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) |
2133 | { | |
2134 | unsigned int reload_msec; | |
2135 | unsigned long reload_jiffies; | |
2136 | ||
2137 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2138 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS)) | |
2139 | iwl_print_rx_config_cmd(priv, IWL_RXON_CTX_BSS); | |
2140 | #endif | |
2141 | ||
2142 | /* uCode is no longer loaded. */ | |
2143 | priv->ucode_loaded = false; | |
2144 | ||
2145 | /* Set the FW error flag -- cleared on iwl_down */ | |
2146 | set_bit(STATUS_FW_ERROR, &priv->status); | |
2147 | ||
193219cf MV |
2148 | iwl_abort_notification_waits(&priv->notif_wait); |
2149 | ||
2150 | /* Keep the restart process from trying to send host | |
2151 | * commands by clearing the ready bit */ | |
2152 | clear_bit(STATUS_READY, &priv->status); | |
2153 | ||
68e8dfda | 2154 | wake_up(&priv->trans->wait_command_queue); |
193219cf MV |
2155 | |
2156 | if (!ondemand) { | |
2157 | /* | |
2158 | * If firmware keep reloading, then it indicate something | |
2159 | * serious wrong and firmware having problem to recover | |
2160 | * from it. Instead of keep trying which will fill the syslog | |
2161 | * and hang the system, let's just stop it | |
2162 | */ | |
2163 | reload_jiffies = jiffies; | |
2164 | reload_msec = jiffies_to_msecs((long) reload_jiffies - | |
2165 | (long) priv->reload_jiffies); | |
2166 | priv->reload_jiffies = reload_jiffies; | |
2167 | if (reload_msec <= IWL_MIN_RELOAD_DURATION) { | |
2168 | priv->reload_count++; | |
2169 | if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) { | |
2170 | IWL_ERR(priv, "BUG_ON, Stop restarting\n"); | |
2171 | return; | |
2172 | } | |
2173 | } else | |
2174 | priv->reload_count = 0; | |
2175 | } | |
2176 | ||
2177 | if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { | |
65de7e84 | 2178 | if (iwlwifi_mod_params.restart_fw) { |
193219cf MV |
2179 | IWL_DEBUG_FW_ERRORS(priv, |
2180 | "Restarting adapter due to uCode error.\n"); | |
2181 | queue_work(priv->workqueue, &priv->restart); | |
2182 | } else | |
2183 | IWL_DEBUG_FW_ERRORS(priv, | |
2184 | "Detected FW error, but not restarting\n"); | |
2185 | } | |
2186 | } | |
2187 | ||
50c1e9a9 | 2188 | void iwl_nic_error(struct iwl_op_mode *op_mode) |
19469f47 MV |
2189 | { |
2190 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2191 | ||
2fdfc476 | 2192 | IWL_ERR(priv, "Loaded firmware version: %s\n", |
e3ec26de | 2193 | priv->fw->fw_version); |
2fdfc476 MV |
2194 | |
2195 | iwl_dump_nic_error_log(priv); | |
2196 | iwl_dump_nic_event_log(priv, false, NULL, false); | |
2197 | ||
19469f47 MV |
2198 | iwlagn_fw_error(priv, false); |
2199 | } | |
2200 | ||
50c1e9a9 | 2201 | void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) |
0e781842 JB |
2202 | { |
2203 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2204 | ||
2205 | if (!iwl_check_for_ct_kill(priv)) { | |
2206 | IWL_ERR(priv, "Restarting adapter queue is full\n"); | |
b7e21bf0 | 2207 | iwlagn_fw_error(priv, false); |
0e781842 JB |
2208 | } |
2209 | } | |
2210 | ||
50c1e9a9 | 2211 | void iwl_nic_config(struct iwl_op_mode *op_mode) |
ecdb975c JB |
2212 | { |
2213 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2214 | ||
e9676695 | 2215 | priv->lib->nic_config(priv); |
ecdb975c JB |
2216 | } |
2217 | ||
8a8bbdb4 DF |
2218 | static void iwl_wimax_active(struct iwl_op_mode *op_mode) |
2219 | { | |
2220 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2221 | ||
2222 | clear_bit(STATUS_READY, &priv->status); | |
2223 | IWL_ERR(priv, "RF is used by WiMAX\n"); | |
2224 | } | |
2225 | ||
50c1e9a9 | 2226 | void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2227 | { |
2228 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
1479177b | 2229 | int mq = priv->queue_to_mac80211[queue]; |
9eae88fa | 2230 | |
1479177b | 2231 | if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) |
9eae88fa JB |
2232 | return; |
2233 | ||
1479177b | 2234 | if (atomic_inc_return(&priv->queue_stop_count[mq]) > 1) { |
9eae88fa | 2235 | IWL_DEBUG_TX_QUEUES(priv, |
1479177b JB |
2236 | "queue %d (mac80211 %d) already stopped\n", |
2237 | queue, mq); | |
9eae88fa JB |
2238 | return; |
2239 | } | |
e755f882 | 2240 | |
1479177b JB |
2241 | set_bit(mq, &priv->transport_queue_stop); |
2242 | ieee80211_stop_queue(priv->hw, mq); | |
e755f882 JB |
2243 | } |
2244 | ||
50c1e9a9 | 2245 | void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2246 | { |
2247 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
1479177b | 2248 | int mq = priv->queue_to_mac80211[queue]; |
9eae88fa | 2249 | |
1479177b | 2250 | if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) |
9eae88fa JB |
2251 | return; |
2252 | ||
1479177b | 2253 | if (atomic_dec_return(&priv->queue_stop_count[mq]) > 0) { |
9eae88fa | 2254 | IWL_DEBUG_TX_QUEUES(priv, |
1479177b JB |
2255 | "queue %d (mac80211 %d) already awake\n", |
2256 | queue, mq); | |
9eae88fa JB |
2257 | return; |
2258 | } | |
e755f882 | 2259 | |
1479177b | 2260 | clear_bit(mq, &priv->transport_queue_stop); |
e755f882 JB |
2261 | |
2262 | if (!priv->passive_no_rx) | |
1479177b | 2263 | ieee80211_wake_queue(priv->hw, mq); |
e755f882 JB |
2264 | } |
2265 | ||
2266 | void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) | |
2267 | { | |
1479177b | 2268 | int mq; |
e755f882 JB |
2269 | |
2270 | if (!priv->passive_no_rx) | |
2271 | return; | |
2272 | ||
1479177b JB |
2273 | for (mq = 0; mq < IWLAGN_FIRST_AMPDU_QUEUE; mq++) { |
2274 | if (!test_bit(mq, &priv->transport_queue_stop)) { | |
2275 | IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d", mq); | |
2276 | ieee80211_wake_queue(priv->hw, mq); | |
3251715d | 2277 | } else { |
1479177b | 2278 | IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d", mq); |
3251715d | 2279 | } |
e755f882 JB |
2280 | } |
2281 | ||
2282 | priv->passive_no_rx = false; | |
2283 | } | |
2284 | ||
50c1e9a9 | 2285 | void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) |
ae625db3 MV |
2286 | { |
2287 | struct ieee80211_tx_info *info; | |
2288 | ||
2289 | info = IEEE80211_SKB_CB(skb); | |
2290 | kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); | |
2291 | dev_kfree_skb_any(skb); | |
2292 | } | |
2293 | ||
50c1e9a9 | 2294 | void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) |
a297d95d MV |
2295 | { |
2296 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2297 | ||
2298 | if (state) | |
2299 | set_bit(STATUS_RF_KILL_HW, &priv->status); | |
2300 | else | |
2301 | clear_bit(STATUS_RF_KILL_HW, &priv->status); | |
2302 | ||
2303 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); | |
2304 | } | |
2305 | ||
d0f76d68 EG |
2306 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
2307 | .start = iwl_op_mode_dvm_start, | |
2308 | .stop = iwl_op_mode_dvm_stop, | |
db70f290 | 2309 | .rx = iwl_rx_dispatch, |
02e38358 EG |
2310 | .queue_full = iwl_stop_sw_queue, |
2311 | .queue_not_full = iwl_wake_sw_queue, | |
7120d989 | 2312 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
ed277c93 | 2313 | .free_skb = iwl_free_skb, |
bcb9321c | 2314 | .nic_error = iwl_nic_error, |
0e781842 | 2315 | .cmd_queue_full = iwl_cmd_queue_full, |
ecdb975c | 2316 | .nic_config = iwl_nic_config, |
8a8bbdb4 | 2317 | .wimax_active = iwl_wimax_active, |
d0f76d68 | 2318 | }; |
b481de9c ZY |
2319 | |
2320 | /***************************************************************************** | |
2321 | * | |
2322 | * driver and module entry point | |
2323 | * | |
2324 | *****************************************************************************/ | |
354928dd SG |
2325 | |
2326 | struct kmem_cache *iwl_tx_cmd_pool; | |
2327 | ||
5b9f8cd3 | 2328 | static int __init iwl_init(void) |
b481de9c ZY |
2329 | { |
2330 | ||
2331 | int ret; | |
c96c31e4 JP |
2332 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
2333 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 2334 | |
354928dd SG |
2335 | iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", |
2336 | sizeof(struct iwl_device_cmd), | |
2337 | sizeof(void *), 0, NULL); | |
2338 | if (!iwl_tx_cmd_pool) | |
2339 | return -ENOMEM; | |
2340 | ||
e227ceac | 2341 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 2342 | if (ret) { |
c96c31e4 | 2343 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
354928dd | 2344 | goto error_rc_register; |
897e1cf2 RC |
2345 | } |
2346 | ||
48d1a211 | 2347 | ret = iwl_pci_register_driver(); |
48d1a211 | 2348 | if (ret) |
354928dd | 2349 | goto error_pci_register; |
b481de9c | 2350 | return ret; |
897e1cf2 | 2351 | |
354928dd | 2352 | error_pci_register: |
e227ceac | 2353 | iwlagn_rate_control_unregister(); |
354928dd SG |
2354 | error_rc_register: |
2355 | kmem_cache_destroy(iwl_tx_cmd_pool); | |
897e1cf2 | 2356 | return ret; |
b481de9c ZY |
2357 | } |
2358 | ||
5b9f8cd3 | 2359 | static void __exit iwl_exit(void) |
b481de9c | 2360 | { |
48d1a211 | 2361 | iwl_pci_unregister_driver(); |
e227ceac | 2362 | iwlagn_rate_control_unregister(); |
354928dd | 2363 | kmem_cache_destroy(iwl_tx_cmd_pool); |
b481de9c ZY |
2364 | } |
2365 | ||
5b9f8cd3 EG |
2366 | module_exit(iwl_exit); |
2367 | module_init(iwl_init); |