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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" |
416e1438 | 55 | |
b481de9c ZY |
56 | /****************************************************************************** |
57 | * | |
58 | * module boiler plate | |
59 | * | |
60 | ******************************************************************************/ | |
61 | ||
b481de9c ZY |
62 | /* |
63 | * module name, copyright, version, etc. | |
b481de9c | 64 | */ |
d783b061 | 65 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux" |
b481de9c | 66 | |
0a6857e7 | 67 | #ifdef CONFIG_IWLWIFI_DEBUG |
b481de9c ZY |
68 | #define VD "d" |
69 | #else | |
70 | #define VD | |
71 | #endif | |
72 | ||
81963d68 | 73 | #define DRV_VERSION IWLWIFI_VERSION VD |
b481de9c | 74 | |
b481de9c ZY |
75 | |
76 | MODULE_DESCRIPTION(DRV_DESCRIPTION); | |
77 | MODULE_VERSION(DRV_VERSION); | |
a7b75207 | 78 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
b481de9c | 79 | MODULE_LICENSE("GPL"); |
3c607d27 | 80 | MODULE_ALIAS("iwlagn"); |
b481de9c | 81 | |
5b9f8cd3 | 82 | void iwl_update_chain_flags(struct iwl_priv *priv) |
5da4b55f | 83 | { |
246ed355 | 84 | struct iwl_rxon_context *ctx; |
5da4b55f | 85 | |
e3f10cea WYG |
86 | for_each_context(priv, ctx) { |
87 | iwlagn_set_rxon_chain(priv, ctx); | |
88 | if (ctx->active.rx_chain != ctx->staging.rx_chain) | |
89 | iwlagn_commit_rxon(priv, ctx); | |
246ed355 | 90 | } |
5da4b55f MA |
91 | } |
92 | ||
47ff65c4 DH |
93 | /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */ |
94 | static void iwl_set_beacon_tim(struct iwl_priv *priv, | |
77834543 JB |
95 | struct iwl_tx_beacon_cmd *tx_beacon_cmd, |
96 | u8 *beacon, u32 frame_size) | |
47ff65c4 DH |
97 | { |
98 | u16 tim_idx; | |
99 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon; | |
100 | ||
101 | /* | |
102 | * The index is relative to frame start but we start looking at the | |
103 | * variable-length part of the beacon. | |
104 | */ | |
105 | tim_idx = mgmt->u.beacon.variable - beacon; | |
106 | ||
107 | /* Parse variable-length elements of beacon to find WLAN_EID_TIM */ | |
108 | while ((tim_idx < (frame_size - 2)) && | |
109 | (beacon[tim_idx] != WLAN_EID_TIM)) | |
110 | tim_idx += beacon[tim_idx+1] + 2; | |
111 | ||
112 | /* If TIM field was found, set variables */ | |
113 | if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) { | |
114 | tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx); | |
115 | tx_beacon_cmd->tim_size = beacon[tim_idx+1]; | |
116 | } else | |
117 | IWL_WARN(priv, "Unable to find TIM Element in beacon\n"); | |
118 | } | |
119 | ||
8a98d49e | 120 | int iwlagn_send_beacon_cmd(struct iwl_priv *priv) |
4bf64efd TW |
121 | { |
122 | struct iwl_tx_beacon_cmd *tx_beacon_cmd; | |
8a98d49e JB |
123 | struct iwl_host_cmd cmd = { |
124 | .id = REPLY_TX_BEACON, | |
e419d62d | 125 | .flags = CMD_SYNC, |
8a98d49e | 126 | }; |
0b5b3ff1 | 127 | struct ieee80211_tx_info *info; |
47ff65c4 DH |
128 | u32 frame_size; |
129 | u32 rate_flags; | |
130 | u32 rate; | |
8a98d49e | 131 | |
47ff65c4 DH |
132 | /* |
133 | * We have to set up the TX command, the TX Beacon command, and the | |
134 | * beacon contents. | |
135 | */ | |
4bf64efd | 136 | |
b1eea297 | 137 | lockdep_assert_held(&priv->mutex); |
76d04815 JB |
138 | |
139 | if (!priv->beacon_ctx) { | |
140 | IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); | |
950094cb | 141 | return 0; |
76d04815 JB |
142 | } |
143 | ||
8a98d49e JB |
144 | if (WARN_ON(!priv->beacon_skb)) |
145 | return -EINVAL; | |
146 | ||
4ce7cc2b JB |
147 | /* Allocate beacon command */ |
148 | if (!priv->beacon_cmd) | |
149 | priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL); | |
150 | tx_beacon_cmd = priv->beacon_cmd; | |
8a98d49e JB |
151 | if (!tx_beacon_cmd) |
152 | return -ENOMEM; | |
153 | ||
154 | frame_size = priv->beacon_skb->len; | |
4bf64efd | 155 | |
47ff65c4 | 156 | /* Set up TX command fields */ |
4bf64efd | 157 | tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size); |
76d04815 | 158 | tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id; |
47ff65c4 DH |
159 | tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; |
160 | tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK | | |
161 | TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK; | |
4bf64efd | 162 | |
47ff65c4 | 163 | /* Set up TX beacon command fields */ |
4ce7cc2b | 164 | iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data, |
77834543 | 165 | frame_size); |
4bf64efd | 166 | |
47ff65c4 | 167 | /* Set up packet rate and flags */ |
0b5b3ff1 JB |
168 | info = IEEE80211_SKB_CB(priv->beacon_skb); |
169 | ||
170 | /* | |
171 | * Let's set up the rate at least somewhat correctly; | |
172 | * it will currently not actually be used by the uCode, | |
173 | * it uses the broadcast station's rate instead. | |
174 | */ | |
175 | if (info->control.rates[0].idx < 0 || | |
176 | info->control.rates[0].flags & IEEE80211_TX_RC_MCS) | |
177 | rate = 0; | |
178 | else | |
179 | rate = info->control.rates[0].idx; | |
180 | ||
0e1654fa | 181 | priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, |
9e295116 | 182 | priv->hw_params.valid_tx_ant); |
47ff65c4 | 183 | rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); |
0b5b3ff1 JB |
184 | |
185 | /* In mac80211, rates for 5 GHz start at 0 */ | |
186 | if (info->band == IEEE80211_BAND_5GHZ) | |
187 | rate += IWL_FIRST_OFDM_RATE; | |
188 | else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE) | |
47ff65c4 | 189 | rate_flags |= RATE_MCS_CCK_MSK; |
0b5b3ff1 JB |
190 | |
191 | tx_beacon_cmd->tx.rate_n_flags = | |
192 | iwl_hw_set_rate_n_flags(rate, rate_flags); | |
4bf64efd | 193 | |
8a98d49e | 194 | /* Submit command */ |
4ce7cc2b | 195 | cmd.len[0] = sizeof(*tx_beacon_cmd); |
3fa50738 | 196 | cmd.data[0] = tx_beacon_cmd; |
4ce7cc2b JB |
197 | cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; |
198 | cmd.len[1] = frame_size; | |
199 | cmd.data[1] = priv->beacon_skb->data; | |
200 | cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; | |
7aaa1d79 | 201 | |
e10a0533 | 202 | return iwl_dvm_send_cmd(priv, &cmd); |
a8e74e27 SO |
203 | } |
204 | ||
5b9f8cd3 | 205 | static void iwl_bg_beacon_update(struct work_struct *work) |
b481de9c | 206 | { |
c79dd5b5 TW |
207 | struct iwl_priv *priv = |
208 | container_of(work, struct iwl_priv, beacon_update); | |
b481de9c ZY |
209 | struct sk_buff *beacon; |
210 | ||
b1eea297 | 211 | mutex_lock(&priv->mutex); |
76d04815 JB |
212 | if (!priv->beacon_ctx) { |
213 | IWL_ERR(priv, "updating beacon w/o beacon context!\n"); | |
214 | goto out; | |
215 | } | |
b481de9c | 216 | |
60744f62 JB |
217 | if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) { |
218 | /* | |
219 | * The ucode will send beacon notifications even in | |
220 | * IBSS mode, but we don't want to process them. But | |
221 | * we need to defer the type check to here due to | |
222 | * requiring locking around the beacon_ctx access. | |
223 | */ | |
224 | goto out; | |
225 | } | |
226 | ||
76d04815 JB |
227 | /* Pull updated AP beacon from mac80211. will fail if not in AP mode */ |
228 | beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif); | |
b481de9c | 229 | if (!beacon) { |
77834543 | 230 | IWL_ERR(priv, "update beacon failed -- keeping old\n"); |
76d04815 | 231 | goto out; |
b481de9c ZY |
232 | } |
233 | ||
b481de9c | 234 | /* new beacon skb is allocated every time; dispose previous.*/ |
77834543 | 235 | dev_kfree_skb(priv->beacon_skb); |
b481de9c | 236 | |
12e934dc | 237 | priv->beacon_skb = beacon; |
b481de9c | 238 | |
2295c66b | 239 | iwlagn_send_beacon_cmd(priv); |
76d04815 | 240 | out: |
b1eea297 | 241 | mutex_unlock(&priv->mutex); |
b481de9c ZY |
242 | } |
243 | ||
fbba9410 WYG |
244 | static void iwl_bg_bt_runtime_config(struct work_struct *work) |
245 | { | |
246 | struct iwl_priv *priv = | |
247 | container_of(work, struct iwl_priv, bt_runtime_config); | |
248 | ||
83626404 | 249 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
fbba9410 WYG |
250 | return; |
251 | ||
252 | /* dont send host command if rf-kill is on */ | |
83626404 | 253 | if (!iwl_is_ready_rf(priv)) |
fbba9410 | 254 | return; |
e55b517c | 255 | iwlagn_send_advance_bt_config(priv); |
fbba9410 WYG |
256 | } |
257 | ||
bee008b7 WYG |
258 | static void iwl_bg_bt_full_concurrency(struct work_struct *work) |
259 | { | |
260 | struct iwl_priv *priv = | |
261 | container_of(work, struct iwl_priv, bt_full_concurrency); | |
246ed355 | 262 | struct iwl_rxon_context *ctx; |
bee008b7 | 263 | |
b1eea297 | 264 | mutex_lock(&priv->mutex); |
dc1a4068 | 265 | |
83626404 | 266 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
dc1a4068 | 267 | goto out; |
bee008b7 WYG |
268 | |
269 | /* dont send host command if rf-kill is on */ | |
83626404 | 270 | if (!iwl_is_ready_rf(priv)) |
dc1a4068 | 271 | goto out; |
bee008b7 WYG |
272 | |
273 | IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", | |
274 | priv->bt_full_concurrent ? | |
275 | "full concurrency" : "3-wire"); | |
276 | ||
277 | /* | |
278 | * LQ & RXON updated cmds must be sent before BT Config cmd | |
279 | * to avoid 3-wire collisions | |
280 | */ | |
246ed355 | 281 | for_each_context(priv, ctx) { |
e3f10cea | 282 | iwlagn_set_rxon_chain(priv, ctx); |
805a3b81 | 283 | iwlagn_commit_rxon(priv, ctx); |
246ed355 | 284 | } |
bee008b7 | 285 | |
e55b517c | 286 | iwlagn_send_advance_bt_config(priv); |
dc1a4068 | 287 | out: |
b1eea297 | 288 | mutex_unlock(&priv->mutex); |
bee008b7 WYG |
289 | } |
290 | ||
1591129d MV |
291 | int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) |
292 | { | |
293 | struct iwl_statistics_cmd statistics_cmd = { | |
294 | .configuration_flags = | |
295 | clear ? IWL_STATS_CONF_CLEAR_STATS : 0, | |
296 | }; | |
297 | ||
298 | if (flags & CMD_ASYNC) | |
299 | return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, | |
300 | CMD_ASYNC, | |
301 | sizeof(struct iwl_statistics_cmd), | |
302 | &statistics_cmd); | |
303 | else | |
304 | return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, | |
305 | CMD_SYNC, | |
306 | sizeof(struct iwl_statistics_cmd), | |
307 | &statistics_cmd); | |
308 | } | |
309 | ||
4e39317d | 310 | /** |
5b9f8cd3 | 311 | * iwl_bg_statistics_periodic - Timer callback to queue statistics |
4e39317d EG |
312 | * |
313 | * This callback is provided in order to send a statistics request. | |
314 | * | |
315 | * This timer function is continually reset to execute within | |
316 | * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION | |
317 | * was received. We need to ensure we receive the statistics in order | |
318 | * to update the temperature used for calibrating the TXPOWER. | |
319 | */ | |
5b9f8cd3 | 320 | static void iwl_bg_statistics_periodic(unsigned long data) |
4e39317d EG |
321 | { |
322 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
323 | ||
83626404 | 324 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
4e39317d EG |
325 | return; |
326 | ||
61780ee3 | 327 | /* dont send host command if rf-kill is on */ |
83626404 | 328 | if (!iwl_is_ready_rf(priv)) |
61780ee3 MA |
329 | return; |
330 | ||
ef8d5529 | 331 | iwl_send_statistics_request(priv, CMD_ASYNC, false); |
4e39317d EG |
332 | } |
333 | ||
a9e1cb6a WYG |
334 | |
335 | static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, | |
336 | u32 start_idx, u32 num_events, | |
98d4bf0c | 337 | u32 capacity, u32 mode) |
a9e1cb6a WYG |
338 | { |
339 | u32 i; | |
340 | u32 ptr; /* SRAM byte address of log data */ | |
341 | u32 ev, time, data; /* event log data */ | |
342 | unsigned long reg_flags; | |
343 | ||
344 | if (mode == 0) | |
345 | ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); | |
346 | else | |
347 | ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); | |
348 | ||
349 | /* Make sure device is powered up for SRAM reads */ | |
68e8dfda EG |
350 | spin_lock_irqsave(&priv->trans->reg_lock, reg_flags); |
351 | if (unlikely(!iwl_grab_nic_access(priv->trans))) { | |
352 | spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); | |
a9e1cb6a WYG |
353 | return; |
354 | } | |
355 | ||
356 | /* Set starting address; reads will auto-increment */ | |
68e8dfda | 357 | iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, ptr); |
a9e1cb6a | 358 | |
98d4bf0c JB |
359 | /* |
360 | * Refuse to read more than would have fit into the log from | |
361 | * the current start_idx. This used to happen due to the race | |
362 | * described below, but now WARN because the code below should | |
363 | * prevent it from happening here. | |
364 | */ | |
365 | if (WARN_ON(num_events > capacity - start_idx)) | |
366 | num_events = capacity - start_idx; | |
367 | ||
a9e1cb6a WYG |
368 | /* |
369 | * "time" is actually "data" for mode 0 (no timestamp). | |
370 | * place event id # at far right for easier visual parsing. | |
371 | */ | |
372 | for (i = 0; i < num_events; i++) { | |
68e8dfda EG |
373 | ev = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); |
374 | time = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); | |
a9e1cb6a | 375 | if (mode == 0) { |
6c1011e1 | 376 | trace_iwlwifi_dev_ucode_cont_event( |
68e8dfda | 377 | priv->trans->dev, 0, time, ev); |
a9e1cb6a | 378 | } else { |
68e8dfda | 379 | data = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); |
6c1011e1 | 380 | trace_iwlwifi_dev_ucode_cont_event( |
68e8dfda | 381 | priv->trans->dev, time, data, ev); |
a9e1cb6a WYG |
382 | } |
383 | } | |
384 | /* Allow device to power down */ | |
68e8dfda EG |
385 | iwl_release_nic_access(priv->trans); |
386 | spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); | |
a9e1cb6a WYG |
387 | } |
388 | ||
875295f1 | 389 | static void iwl_continuous_event_trace(struct iwl_priv *priv) |
a9e1cb6a WYG |
390 | { |
391 | u32 capacity; /* event log capacity in # entries */ | |
98d4bf0c JB |
392 | struct { |
393 | u32 capacity; | |
394 | u32 mode; | |
395 | u32 wrap_counter; | |
396 | u32 write_counter; | |
397 | } __packed read; | |
a9e1cb6a WYG |
398 | u32 base; /* SRAM byte address of event log header */ |
399 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
400 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
401 | u32 next_entry; /* index of next entry to be written by uCode */ | |
402 | ||
2fdfc476 | 403 | base = priv->device_pointers.log_event_table; |
4caab328 | 404 | if (iwlagn_hw_valid_rtc_data_addr(base)) { |
68e8dfda | 405 | iwl_read_targ_mem_words(priv->trans, base, &read, sizeof(read)); |
98d4bf0c JB |
406 | capacity = read.capacity; |
407 | mode = read.mode; | |
408 | num_wraps = read.wrap_counter; | |
409 | next_entry = read.write_counter; | |
a9e1cb6a WYG |
410 | } else |
411 | return; | |
412 | ||
98d4bf0c JB |
413 | /* |
414 | * Unfortunately, the uCode doesn't use temporary variables. | |
415 | * Therefore, it can happen that we read next_entry == capacity, | |
416 | * which really means next_entry == 0. | |
417 | */ | |
418 | if (unlikely(next_entry == capacity)) | |
419 | next_entry = 0; | |
420 | /* | |
421 | * Additionally, the uCode increases the write pointer before | |
422 | * the wraps counter, so if the write pointer is smaller than | |
423 | * the old write pointer (wrap occurred) but we read that no | |
424 | * wrap occurred, we actually read between the next_entry and | |
425 | * num_wraps update (this does happen in practice!!) -- take | |
426 | * that into account by increasing num_wraps. | |
427 | */ | |
428 | if (unlikely(next_entry < priv->event_log.next_entry && | |
429 | num_wraps == priv->event_log.num_wraps)) | |
430 | num_wraps++; | |
431 | ||
a9e1cb6a | 432 | if (num_wraps == priv->event_log.num_wraps) { |
98d4bf0c JB |
433 | iwl_print_cont_event_trace( |
434 | priv, base, priv->event_log.next_entry, | |
435 | next_entry - priv->event_log.next_entry, | |
436 | capacity, mode); | |
437 | ||
a9e1cb6a WYG |
438 | priv->event_log.non_wraps_count++; |
439 | } else { | |
98d4bf0c | 440 | if (num_wraps - priv->event_log.num_wraps > 1) |
a9e1cb6a WYG |
441 | priv->event_log.wraps_more_count++; |
442 | else | |
443 | priv->event_log.wraps_once_count++; | |
98d4bf0c | 444 | |
68e8dfda | 445 | trace_iwlwifi_dev_ucode_wrap_event(priv->trans->dev, |
a9e1cb6a WYG |
446 | num_wraps - priv->event_log.num_wraps, |
447 | next_entry, priv->event_log.next_entry); | |
98d4bf0c | 448 | |
a9e1cb6a | 449 | if (next_entry < priv->event_log.next_entry) { |
98d4bf0c JB |
450 | iwl_print_cont_event_trace( |
451 | priv, base, priv->event_log.next_entry, | |
452 | capacity - priv->event_log.next_entry, | |
453 | capacity, mode); | |
a9e1cb6a | 454 | |
98d4bf0c JB |
455 | iwl_print_cont_event_trace( |
456 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a | 457 | } else { |
98d4bf0c JB |
458 | iwl_print_cont_event_trace( |
459 | priv, base, next_entry, | |
460 | capacity - next_entry, | |
461 | capacity, mode); | |
a9e1cb6a | 462 | |
98d4bf0c JB |
463 | iwl_print_cont_event_trace( |
464 | priv, base, 0, next_entry, capacity, mode); | |
a9e1cb6a WYG |
465 | } |
466 | } | |
98d4bf0c | 467 | |
a9e1cb6a WYG |
468 | priv->event_log.num_wraps = num_wraps; |
469 | priv->event_log.next_entry = next_entry; | |
470 | } | |
471 | ||
472 | /** | |
473 | * iwl_bg_ucode_trace - Timer callback to log ucode event | |
474 | * | |
475 | * The timer is continually set to execute every | |
476 | * UCODE_TRACE_PERIOD milliseconds after the last timer expired | |
477 | * this function is to perform continuous uCode event logging operation | |
478 | * if enabled | |
479 | */ | |
480 | static void iwl_bg_ucode_trace(unsigned long data) | |
481 | { | |
482 | struct iwl_priv *priv = (struct iwl_priv *)data; | |
483 | ||
83626404 | 484 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
a9e1cb6a WYG |
485 | return; |
486 | ||
487 | if (priv->event_log.ucode_trace) { | |
488 | iwl_continuous_event_trace(priv); | |
489 | /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ | |
490 | mod_timer(&priv->ucode_trace, | |
491 | jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); | |
492 | } | |
493 | } | |
494 | ||
65550636 WYG |
495 | static void iwl_bg_tx_flush(struct work_struct *work) |
496 | { | |
497 | struct iwl_priv *priv = | |
498 | container_of(work, struct iwl_priv, tx_flush); | |
499 | ||
83626404 | 500 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
65550636 WYG |
501 | return; |
502 | ||
503 | /* do nothing if rf-kill is on */ | |
83626404 | 504 | if (!iwl_is_ready_rf(priv)) |
65550636 WYG |
505 | return; |
506 | ||
c68744fb WYG |
507 | IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); |
508 | iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); | |
65550636 WYG |
509 | } |
510 | ||
9eae88fa JB |
511 | /* |
512 | * queue/FIFO/AC mapping definitions | |
513 | */ | |
514 | ||
515 | #define IWL_TX_FIFO_BK 0 /* shared */ | |
516 | #define IWL_TX_FIFO_BE 1 | |
517 | #define IWL_TX_FIFO_VI 2 /* shared */ | |
518 | #define IWL_TX_FIFO_VO 3 | |
519 | #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK | |
520 | #define IWL_TX_FIFO_BE_IPAN 4 | |
521 | #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI | |
522 | #define IWL_TX_FIFO_VO_IPAN 5 | |
523 | /* re-uses the VO FIFO, uCode will properly flush/schedule */ | |
524 | #define IWL_TX_FIFO_AUX 5 | |
525 | #define IWL_TX_FIFO_UNUSED -1 | |
526 | ||
527 | #define IWLAGN_CMD_FIFO_NUM 7 | |
528 | ||
529 | /* | |
530 | * This queue number is required for proper operation | |
531 | * because the ucode will stop/start the scheduler as | |
532 | * required. | |
533 | */ | |
534 | #define IWL_IPAN_MCAST_QUEUE 8 | |
535 | ||
536 | static const u8 iwlagn_default_queue_to_tx_fifo[] = { | |
537 | IWL_TX_FIFO_VO, | |
538 | IWL_TX_FIFO_VI, | |
539 | IWL_TX_FIFO_BE, | |
540 | IWL_TX_FIFO_BK, | |
541 | IWLAGN_CMD_FIFO_NUM, | |
542 | }; | |
543 | ||
544 | static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { | |
545 | IWL_TX_FIFO_VO, | |
546 | IWL_TX_FIFO_VI, | |
547 | IWL_TX_FIFO_BE, | |
548 | IWL_TX_FIFO_BK, | |
549 | IWL_TX_FIFO_BK_IPAN, | |
550 | IWL_TX_FIFO_BE_IPAN, | |
551 | IWL_TX_FIFO_VI_IPAN, | |
552 | IWL_TX_FIFO_VO_IPAN, | |
553 | IWL_TX_FIFO_BE_IPAN, | |
554 | IWLAGN_CMD_FIFO_NUM, | |
555 | IWL_TX_FIFO_AUX, | |
556 | }; | |
557 | ||
558 | static const u8 iwlagn_bss_ac_to_fifo[] = { | |
559 | IWL_TX_FIFO_VO, | |
560 | IWL_TX_FIFO_VI, | |
561 | IWL_TX_FIFO_BE, | |
562 | IWL_TX_FIFO_BK, | |
563 | }; | |
564 | ||
565 | static const u8 iwlagn_bss_ac_to_queue[] = { | |
566 | 0, 1, 2, 3, | |
567 | }; | |
568 | ||
569 | static const u8 iwlagn_pan_ac_to_fifo[] = { | |
570 | IWL_TX_FIFO_VO_IPAN, | |
571 | IWL_TX_FIFO_VI_IPAN, | |
572 | IWL_TX_FIFO_BE_IPAN, | |
573 | IWL_TX_FIFO_BK_IPAN, | |
574 | }; | |
575 | ||
576 | static const u8 iwlagn_pan_ac_to_queue[] = { | |
577 | 7, 6, 5, 4, | |
578 | }; | |
579 | ||
580 | static const u8 iwlagn_bss_queue_to_ac[] = { | |
581 | IEEE80211_AC_VO, | |
582 | IEEE80211_AC_VI, | |
583 | IEEE80211_AC_BE, | |
584 | IEEE80211_AC_BK, | |
585 | }; | |
586 | ||
587 | static const u8 iwlagn_pan_queue_to_ac[] = { | |
588 | IEEE80211_AC_VO, | |
589 | IEEE80211_AC_VI, | |
590 | IEEE80211_AC_BE, | |
591 | IEEE80211_AC_BK, | |
592 | IEEE80211_AC_BK, | |
593 | IEEE80211_AC_BE, | |
594 | IEEE80211_AC_VI, | |
595 | IEEE80211_AC_VO, | |
596 | }; | |
597 | ||
50c1e9a9 | 598 | void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) |
4d2a5d0e | 599 | { |
4d2a5d0e JB |
600 | int i; |
601 | ||
602 | /* | |
603 | * The default context is always valid, | |
604 | * the PAN context depends on uCode. | |
605 | */ | |
a18f61bc | 606 | priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); |
4d2a5d0e | 607 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) |
a18f61bc | 608 | priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); |
4d2a5d0e JB |
609 | |
610 | for (i = 0; i < NUM_IWL_RXON_CTX; i++) | |
611 | priv->contexts[i].ctxid = i; | |
612 | ||
613 | priv->contexts[IWL_RXON_CTX_BSS].always_active = true; | |
614 | priv->contexts[IWL_RXON_CTX_BSS].is_active = true; | |
615 | priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON; | |
616 | priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING; | |
617 | priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC; | |
618 | priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; | |
619 | priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; | |
620 | priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; | |
87272af7 | 621 | priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; |
4d2a5d0e JB |
622 | priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = |
623 | BIT(NL80211_IFTYPE_ADHOC); | |
624 | priv->contexts[IWL_RXON_CTX_BSS].interface_modes = | |
625 | BIT(NL80211_IFTYPE_STATION); | |
626 | priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP; | |
627 | priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; | |
628 | priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; | |
629 | priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; | |
9eae88fa JB |
630 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue, |
631 | iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue)); | |
632 | memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo, | |
633 | iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo)); | |
4d2a5d0e JB |
634 | |
635 | priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; | |
636 | priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = | |
637 | REPLY_WIPAN_RXON_TIMING; | |
638 | priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = | |
639 | REPLY_WIPAN_RXON_ASSOC; | |
640 | priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM; | |
641 | priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN; | |
642 | priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY; | |
643 | priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID; | |
644 | priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION; | |
4d2a5d0e JB |
645 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes = |
646 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP); | |
c6baf7fb JB |
647 | |
648 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P) | |
649 | priv->contexts[IWL_RXON_CTX_PAN].interface_modes |= | |
650 | BIT(NL80211_IFTYPE_P2P_CLIENT) | | |
651 | BIT(NL80211_IFTYPE_P2P_GO); | |
652 | ||
4d2a5d0e JB |
653 | priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; |
654 | priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; | |
655 | priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; | |
9eae88fa JB |
656 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue, |
657 | iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue)); | |
658 | memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo, | |
659 | iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo)); | |
660 | priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; | |
4d2a5d0e JB |
661 | |
662 | BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); | |
663 | } | |
664 | ||
50c1e9a9 | 665 | void iwl_rf_kill_ct_config(struct iwl_priv *priv) |
0975cc8f WYG |
666 | { |
667 | struct iwl_ct_kill_config cmd; | |
668 | struct iwl_ct_kill_throttling_config adv_cmd; | |
0975cc8f WYG |
669 | int ret = 0; |
670 | ||
68e8dfda | 671 | iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR, |
0975cc8f | 672 | CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); |
08ae86ac | 673 | |
0975cc8f WYG |
674 | priv->thermal_throttle.ct_kill_toggle = false; |
675 | ||
2152268f | 676 | if (priv->cfg->base_params->support_ct_kill_exit) { |
0975cc8f | 677 | adv_cmd.critical_temperature_enter = |
9e295116 | 678 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 679 | adv_cmd.critical_temperature_exit = |
9e295116 | 680 | cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); |
0975cc8f | 681 | |
e10a0533 | 682 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
683 | REPLY_CT_KILL_CONFIG_CMD, |
684 | CMD_SYNC, sizeof(adv_cmd), &adv_cmd); | |
0975cc8f WYG |
685 | if (ret) |
686 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
687 | else | |
688 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
689 | "succeeded, critical temperature enter is %d," |
690 | "exit is %d\n", | |
9e295116 JB |
691 | priv->hw_params.ct_kill_threshold, |
692 | priv->hw_params.ct_kill_exit_threshold); | |
0975cc8f WYG |
693 | } else { |
694 | cmd.critical_temperature_R = | |
9e295116 | 695 | cpu_to_le32(priv->hw_params.ct_kill_threshold); |
0975cc8f | 696 | |
e10a0533 | 697 | ret = iwl_dvm_send_cmd_pdu(priv, |
e419d62d EG |
698 | REPLY_CT_KILL_CONFIG_CMD, |
699 | CMD_SYNC, sizeof(cmd), &cmd); | |
0975cc8f WYG |
700 | if (ret) |
701 | IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n"); | |
702 | else | |
703 | IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " | |
d6189124 EG |
704 | "succeeded, " |
705 | "critical temperature is %d\n", | |
9e295116 | 706 | priv->hw_params.ct_kill_threshold); |
0975cc8f WYG |
707 | } |
708 | } | |
709 | ||
6d6a1afd SZ |
710 | static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) |
711 | { | |
712 | struct iwl_calib_cfg_cmd calib_cfg_cmd; | |
713 | struct iwl_host_cmd cmd = { | |
714 | .id = CALIBRATION_CFG_CMD, | |
3fa50738 JB |
715 | .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
716 | .data = { &calib_cfg_cmd, }, | |
6d6a1afd SZ |
717 | }; |
718 | ||
719 | memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); | |
af4dc88c | 720 | calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; |
7cb1b088 | 721 | calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); |
6d6a1afd | 722 | |
e10a0533 | 723 | return iwl_dvm_send_cmd(priv, &cmd); |
6d6a1afd SZ |
724 | } |
725 | ||
726 | ||
e505c433 WYG |
727 | static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) |
728 | { | |
729 | struct iwl_tx_ant_config_cmd tx_ant_cmd = { | |
730 | .valid = cpu_to_le32(valid_tx_ant), | |
731 | }; | |
732 | ||
0692fe41 | 733 | if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { |
e505c433 | 734 | IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); |
e10a0533 | 735 | return iwl_dvm_send_cmd_pdu(priv, |
e505c433 WYG |
736 | TX_ANT_CONFIGURATION_CMD, |
737 | CMD_SYNC, | |
738 | sizeof(struct iwl_tx_ant_config_cmd), | |
739 | &tx_ant_cmd); | |
740 | } else { | |
741 | IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n"); | |
742 | return -EOPNOTSUPP; | |
743 | } | |
744 | } | |
745 | ||
50c1e9a9 | 746 | void iwl_send_bt_config(struct iwl_priv *priv) |
e4c52ab4 MV |
747 | { |
748 | struct iwl_bt_cmd bt_cmd = { | |
749 | .lead_time = BT_LEAD_TIME_DEF, | |
750 | .max_kill = BT_MAX_KILL_DEF, | |
751 | .kill_ack_mask = 0, | |
752 | .kill_cts_mask = 0, | |
753 | }; | |
754 | ||
755 | if (!iwlagn_mod_params.bt_coex_active) | |
756 | bt_cmd.flags = BT_COEX_DISABLE; | |
757 | else | |
758 | bt_cmd.flags = BT_COEX_ENABLE; | |
759 | ||
760 | priv->bt_enable_flag = bt_cmd.flags; | |
761 | IWL_DEBUG_INFO(priv, "BT coex %s\n", | |
762 | (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); | |
763 | ||
764 | if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, | |
765 | CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) | |
766 | IWL_ERR(priv, "failed to send BT Coex Config\n"); | |
767 | } | |
768 | ||
b481de9c | 769 | /** |
4a4a9e81 | 770 | * iwl_alive_start - called after REPLY_ALIVE notification received |
b481de9c | 771 | * from protocol/runtime uCode (initialization uCode's |
4a4a9e81 | 772 | * Alive gets handled by iwl_init_alive_start()). |
b481de9c | 773 | */ |
4613e72d | 774 | int iwl_alive_start(struct iwl_priv *priv) |
b481de9c | 775 | { |
57aab75a | 776 | int ret = 0; |
246ed355 | 777 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; |
b481de9c | 778 | |
ca7966c8 | 779 | IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); |
6d6a1afd | 780 | |
5b9f8cd3 | 781 | /* After the ALIVE response, we can send host commands to the uCode */ |
83626404 | 782 | set_bit(STATUS_ALIVE, &priv->status); |
b481de9c | 783 | |
83626404 | 784 | if (iwl_is_rfkill(priv)) |
ca7966c8 | 785 | return -ERFKILL; |
b481de9c | 786 | |
98d4bf0c JB |
787 | if (priv->event_log.ucode_trace) { |
788 | /* start collecting data now */ | |
789 | mod_timer(&priv->ucode_trace, jiffies); | |
790 | } | |
791 | ||
bc795df1 | 792 | /* download priority table before any calibration request */ |
2152268f EG |
793 | if (priv->cfg->bt_params && |
794 | priv->cfg->bt_params->advanced_bt_coexist) { | |
f7322f8f | 795 | /* Configure Bluetooth device coexistence support */ |
2152268f | 796 | if (priv->cfg->bt_params->bt_sco_disable) |
207ecc5e MV |
797 | priv->bt_enable_pspoll = false; |
798 | else | |
799 | priv->bt_enable_pspoll = true; | |
800 | ||
f7322f8f WYG |
801 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; |
802 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; | |
803 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
e55b517c | 804 | iwlagn_send_advance_bt_config(priv); |
f7322f8f | 805 | priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; |
207ecc5e MV |
806 | priv->cur_rssi_ctx = NULL; |
807 | ||
e1991885 | 808 | iwl_send_prio_tbl(priv); |
f7322f8f WYG |
809 | |
810 | /* FIXME: w/a to force change uCode BT state machine */ | |
e1991885 | 811 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
ca7966c8 JB |
812 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
813 | if (ret) | |
814 | return ret; | |
e1991885 | 815 | ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, |
ca7966c8 JB |
816 | BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
817 | if (ret) | |
818 | return ret; | |
e55b517c WYG |
819 | } else { |
820 | /* | |
821 | * default is 2-wire BT coexexistence support | |
822 | */ | |
823 | iwl_send_bt_config(priv); | |
f7322f8f | 824 | } |
e55b517c | 825 | |
885765f1 VM |
826 | /* |
827 | * Perform runtime calibrations, including DC calibration. | |
828 | */ | |
829 | iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX); | |
bc795df1 | 830 | |
36d6825b | 831 | ieee80211_wake_queues(priv->hw); |
b481de9c | 832 | |
2f748dec | 833 | /* Configure Tx antenna selection based on H/W config */ |
9e295116 | 834 | iwlagn_send_tx_ant_config(priv, priv->hw_params.valid_tx_ant); |
2f748dec | 835 | |
15b86bff | 836 | if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { |
c1adf9fb | 837 | struct iwl_rxon_cmd *active_rxon = |
246ed355 | 838 | (struct iwl_rxon_cmd *)&ctx->active; |
019fb97d | 839 | /* apply any changes in staging */ |
246ed355 | 840 | ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; |
b481de9c ZY |
841 | active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; |
842 | } else { | |
d0fe478c | 843 | struct iwl_rxon_context *tmp; |
b481de9c | 844 | /* Initialize our rx_config data */ |
d0fe478c JB |
845 | for_each_context(priv, tmp) |
846 | iwl_connection_init_rx_config(priv, tmp); | |
45823531 | 847 | |
e3f10cea | 848 | iwlagn_set_rxon_chain(priv, ctx); |
b481de9c ZY |
849 | } |
850 | ||
15b86bff | 851 | if (!priv->wowlan) { |
c8ac61cf JB |
852 | /* WoWLAN ucode will not reply in the same way, skip it */ |
853 | iwl_reset_run_time_calib(priv); | |
854 | } | |
4a4a9e81 | 855 | |
83626404 | 856 | set_bit(STATUS_READY, &priv->status); |
9e2e7422 | 857 | |
b481de9c | 858 | /* Configure the adapter for unassociated operation */ |
805a3b81 | 859 | ret = iwlagn_commit_rxon(priv, ctx); |
ca7966c8 JB |
860 | if (ret) |
861 | return ret; | |
b481de9c ZY |
862 | |
863 | /* At this point, the NIC is initialized and operational */ | |
47f4a587 | 864 | iwl_rf_kill_ct_config(priv); |
5a66926a | 865 | |
e1623446 | 866 | IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n"); |
c46fbefa | 867 | |
ca7966c8 | 868 | return iwl_power_update_mode(priv, true); |
b481de9c ZY |
869 | } |
870 | ||
d316383d JB |
871 | /** |
872 | * iwl_clear_driver_stations - clear knowledge of all stations from driver | |
873 | * @priv: iwl priv struct | |
874 | * | |
875 | * This is called during iwl_down() to make sure that in the case | |
876 | * we're coming there from a hardware restart mac80211 will be | |
877 | * able to reconfigure stations -- if we're getting there in the | |
878 | * normal down flow then the stations will already be cleared. | |
879 | */ | |
880 | static void iwl_clear_driver_stations(struct iwl_priv *priv) | |
881 | { | |
d316383d JB |
882 | struct iwl_rxon_context *ctx; |
883 | ||
fa23cb04 | 884 | spin_lock_bh(&priv->sta_lock); |
d316383d JB |
885 | memset(priv->stations, 0, sizeof(priv->stations)); |
886 | priv->num_stations = 0; | |
887 | ||
888 | priv->ucode_key_table = 0; | |
889 | ||
890 | for_each_context(priv, ctx) { | |
891 | /* | |
892 | * Remove all key information that is not stored as part | |
893 | * of station information since mac80211 may not have had | |
894 | * a chance to remove all the keys. When device is | |
895 | * reconfigured by mac80211 after an error all keys will | |
896 | * be reconfigured. | |
897 | */ | |
898 | memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); | |
899 | ctx->key_mapping_keys = 0; | |
900 | } | |
901 | ||
fa23cb04 | 902 | spin_unlock_bh(&priv->sta_lock); |
d316383d JB |
903 | } |
904 | ||
78e5a464 | 905 | void iwl_down(struct iwl_priv *priv) |
b481de9c | 906 | { |
22dd2fd2 | 907 | int exit_pending; |
b481de9c | 908 | |
e1623446 | 909 | IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); |
b481de9c | 910 | |
b1eea297 | 911 | lockdep_assert_held(&priv->mutex); |
78e5a464 | 912 | |
d745d472 SG |
913 | iwl_scan_cancel_timeout(priv, 200); |
914 | ||
c6baf7fb JB |
915 | /* |
916 | * If active, scanning won't cancel it, so say it expired. | |
917 | * No race since we hold the mutex here and a new one | |
918 | * can't come in at this time. | |
919 | */ | |
920 | ieee80211_remain_on_channel_expired(priv->hw); | |
921 | ||
63013ae3 | 922 | exit_pending = |
83626404 | 923 | test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 924 | |
dcef732c | 925 | iwl_clear_ucode_stations(priv, NULL); |
a194e324 | 926 | iwl_dealloc_bcast_stations(priv); |
db125c78 | 927 | iwl_clear_driver_stations(priv); |
b481de9c | 928 | |
a1174138 | 929 | /* reset BT coex data */ |
da5dbb97 | 930 | priv->bt_status = 0; |
207ecc5e MV |
931 | priv->cur_rssi_ctx = NULL; |
932 | priv->bt_is_sco = 0; | |
2152268f | 933 | if (priv->cfg->bt_params) |
7cb1b088 | 934 | priv->bt_traffic_load = |
2152268f | 935 | priv->cfg->bt_params->bt_init_traffic_load; |
7cb1b088 WYG |
936 | else |
937 | priv->bt_traffic_load = 0; | |
bee008b7 WYG |
938 | priv->bt_full_concurrent = false; |
939 | priv->bt_ci_compliance = 0; | |
a1174138 | 940 | |
b481de9c ZY |
941 | /* Wipe out the EXIT_PENDING status bit if we are not actually |
942 | * exiting the module */ | |
943 | if (!exit_pending) | |
83626404 | 944 | clear_bit(STATUS_EXIT_PENDING, &priv->status); |
b481de9c | 945 | |
859cfb0a | 946 | if (priv->mac80211_registered) |
b481de9c ZY |
947 | ieee80211_stop_queues(priv->hw); |
948 | ||
8f7ffbe2 | 949 | priv->ucode_loaded = false; |
68e8dfda | 950 | iwl_trans_stop_device(priv->trans); |
909e9b23 | 951 | |
1a10f433 | 952 | /* Clear out all status bits but a few that are stable across reset */ |
1353a7ba | 953 | priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << |
b481de9c | 954 | STATUS_RF_KILL_HW | |
83626404 | 955 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << |
9788864e | 956 | STATUS_GEO_CONFIGURED | |
17acd0b6 DF |
957 | test_bit(STATUS_FW_ERROR, &priv->status) << |
958 | STATUS_FW_ERROR | | |
83626404 | 959 | test_bit(STATUS_EXIT_PENDING, &priv->status) << |
052ec3f1 | 960 | STATUS_EXIT_PENDING; |
b481de9c | 961 | |
77834543 | 962 | dev_kfree_skb(priv->beacon_skb); |
12e934dc | 963 | priv->beacon_skb = NULL; |
b481de9c ZY |
964 | } |
965 | ||
b481de9c ZY |
966 | /***************************************************************************** |
967 | * | |
968 | * Workqueue callbacks | |
969 | * | |
970 | *****************************************************************************/ | |
971 | ||
16e727e8 EG |
972 | static void iwl_bg_run_time_calib_work(struct work_struct *work) |
973 | { | |
974 | struct iwl_priv *priv = container_of(work, struct iwl_priv, | |
975 | run_time_calib_work); | |
976 | ||
b1eea297 | 977 | mutex_lock(&priv->mutex); |
16e727e8 | 978 | |
83626404 DF |
979 | if (test_bit(STATUS_EXIT_PENDING, &priv->status) || |
980 | test_bit(STATUS_SCANNING, &priv->status)) { | |
b1eea297 | 981 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
982 | return; |
983 | } | |
984 | ||
985 | if (priv->start_calib) { | |
0da0e5bf JB |
986 | iwl_chain_noise_calibration(priv); |
987 | iwl_sensitivity_calibration(priv); | |
16e727e8 EG |
988 | } |
989 | ||
b1eea297 | 990 | mutex_unlock(&priv->mutex); |
16e727e8 EG |
991 | } |
992 | ||
7335613a | 993 | void iwlagn_prepare_restart(struct iwl_priv *priv) |
e43e85c4 JB |
994 | { |
995 | struct iwl_rxon_context *ctx; | |
996 | bool bt_full_concurrent; | |
997 | u8 bt_ci_compliance; | |
998 | u8 bt_load; | |
999 | u8 bt_status; | |
207ecc5e | 1000 | bool bt_is_sco; |
9eae88fa | 1001 | int i; |
e43e85c4 | 1002 | |
b1eea297 | 1003 | lockdep_assert_held(&priv->mutex); |
e43e85c4 JB |
1004 | |
1005 | for_each_context(priv, ctx) | |
1006 | ctx->vif = NULL; | |
1007 | priv->is_open = 0; | |
1008 | ||
1009 | /* | |
1010 | * __iwl_down() will clear the BT status variables, | |
1011 | * which is correct, but when we restart we really | |
1012 | * want to keep them so restore them afterwards. | |
1013 | * | |
1014 | * The restart process will later pick them up and | |
1015 | * re-configure the hw when we reconfigure the BT | |
1016 | * command. | |
1017 | */ | |
1018 | bt_full_concurrent = priv->bt_full_concurrent; | |
1019 | bt_ci_compliance = priv->bt_ci_compliance; | |
1020 | bt_load = priv->bt_traffic_load; | |
1021 | bt_status = priv->bt_status; | |
207ecc5e | 1022 | bt_is_sco = priv->bt_is_sco; |
e43e85c4 | 1023 | |
78e5a464 | 1024 | iwl_down(priv); |
e43e85c4 JB |
1025 | |
1026 | priv->bt_full_concurrent = bt_full_concurrent; | |
1027 | priv->bt_ci_compliance = bt_ci_compliance; | |
1028 | priv->bt_traffic_load = bt_load; | |
1029 | priv->bt_status = bt_status; | |
207ecc5e | 1030 | priv->bt_is_sco = bt_is_sco; |
9eae88fa JB |
1031 | |
1032 | /* reset all queues */ | |
1033 | for (i = 0; i < IEEE80211_NUM_ACS; i++) | |
1034 | atomic_set(&priv->ac_stop_count[i], 0); | |
1035 | ||
1036 | for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++) | |
1037 | priv->queue_to_ac[i] = IWL_INVALID_AC; | |
1038 | ||
1039 | memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc)); | |
e43e85c4 JB |
1040 | } |
1041 | ||
5b9f8cd3 | 1042 | static void iwl_bg_restart(struct work_struct *data) |
b481de9c | 1043 | { |
c79dd5b5 | 1044 | struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); |
b481de9c | 1045 | |
83626404 | 1046 | if (test_bit(STATUS_EXIT_PENDING, &priv->status)) |
b481de9c ZY |
1047 | return; |
1048 | ||
17acd0b6 | 1049 | if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { |
b1eea297 | 1050 | mutex_lock(&priv->mutex); |
e43e85c4 | 1051 | iwlagn_prepare_restart(priv); |
b1eea297 | 1052 | mutex_unlock(&priv->mutex); |
a1174138 | 1053 | iwl_cancel_deferred_work(priv); |
19cc1087 JB |
1054 | ieee80211_restart_hw(priv->hw); |
1055 | } else { | |
ca7966c8 | 1056 | WARN_ON(1); |
19cc1087 | 1057 | } |
b481de9c ZY |
1058 | } |
1059 | ||
0fd09502 | 1060 | |
0fd09502 | 1061 | |
0fd09502 | 1062 | |
7335613a | 1063 | void iwlagn_disable_roc(struct iwl_priv *priv) |
f0b6e2e8 | 1064 | { |
7335613a | 1065 | struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; |
f0b6e2e8 | 1066 | |
b1eea297 | 1067 | lockdep_assert_held(&priv->mutex); |
f0b6e2e8 | 1068 | |
7335613a WYG |
1069 | if (!priv->hw_roc_setup) |
1070 | return; | |
f0b6e2e8 | 1071 | |
7335613a WYG |
1072 | ctx->staging.dev_type = RXON_DEV_TYPE_P2P; |
1073 | ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; | |
f0b6e2e8 | 1074 | |
7335613a | 1075 | priv->hw_roc_channel = NULL; |
f0b6e2e8 | 1076 | |
7335613a | 1077 | memset(ctx->staging.node_addr, 0, ETH_ALEN); |
5ed540ae | 1078 | |
7335613a | 1079 | iwlagn_commit_rxon(priv, ctx); |
f0b6e2e8 | 1080 | |
7335613a WYG |
1081 | ctx->is_active = false; |
1082 | priv->hw_roc_setup = false; | |
f0b6e2e8 RC |
1083 | } |
1084 | ||
7335613a | 1085 | static void iwlagn_disable_roc_work(struct work_struct *work) |
b481de9c | 1086 | { |
7335613a WYG |
1087 | struct iwl_priv *priv = container_of(work, struct iwl_priv, |
1088 | hw_roc_disable_work.work); | |
b481de9c | 1089 | |
b1eea297 | 1090 | mutex_lock(&priv->mutex); |
7335613a | 1091 | iwlagn_disable_roc(priv); |
b1eea297 | 1092 | mutex_unlock(&priv->mutex); |
b481de9c ZY |
1093 | } |
1094 | ||
7335613a WYG |
1095 | /***************************************************************************** |
1096 | * | |
1097 | * driver setup and teardown | |
1098 | * | |
1099 | *****************************************************************************/ | |
1100 | ||
50c1e9a9 | 1101 | void iwl_setup_deferred_work(struct iwl_priv *priv) |
b481de9c | 1102 | { |
1ee158d8 | 1103 | priv->workqueue = create_singlethread_workqueue(DRV_NAME); |
b481de9c | 1104 | |
7335613a WYG |
1105 | INIT_WORK(&priv->restart, iwl_bg_restart); |
1106 | INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); | |
1107 | INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); | |
1108 | INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); | |
1109 | INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency); | |
1110 | INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config); | |
1111 | INIT_DELAYED_WORK(&priv->hw_roc_disable_work, | |
1112 | iwlagn_disable_roc_work); | |
e655b9f0 | 1113 | |
7335613a | 1114 | iwl_setup_scan_deferred_work(priv); |
5a66926a | 1115 | |
2152268f | 1116 | if (priv->cfg->bt_params) |
562f08eb | 1117 | iwlagn_bt_setup_deferred_work(priv); |
5a66926a | 1118 | |
7335613a WYG |
1119 | init_timer(&priv->statistics_periodic); |
1120 | priv->statistics_periodic.data = (unsigned long)priv; | |
1121 | priv->statistics_periodic.function = iwl_bg_statistics_periodic; | |
6cd0b1cb | 1122 | |
7335613a WYG |
1123 | init_timer(&priv->ucode_trace); |
1124 | priv->ucode_trace.data = (unsigned long)priv; | |
1125 | priv->ucode_trace.function = iwl_bg_ucode_trace; | |
b481de9c ZY |
1126 | } |
1127 | ||
78e5a464 | 1128 | void iwl_cancel_deferred_work(struct iwl_priv *priv) |
c8ac61cf | 1129 | { |
2152268f | 1130 | if (priv->cfg->bt_params) |
562f08eb | 1131 | iwlagn_bt_cancel_deferred_work(priv); |
c8ac61cf | 1132 | |
7335613a WYG |
1133 | cancel_work_sync(&priv->run_time_calib_work); |
1134 | cancel_work_sync(&priv->beacon_update); | |
c8ac61cf | 1135 | |
7335613a | 1136 | iwl_cancel_scan_deferred_work(priv); |
c8ac61cf | 1137 | |
7335613a WYG |
1138 | cancel_work_sync(&priv->bt_full_concurrency); |
1139 | cancel_work_sync(&priv->bt_runtime_config); | |
1140 | cancel_delayed_work_sync(&priv->hw_roc_disable_work); | |
c8ac61cf | 1141 | |
7335613a WYG |
1142 | del_timer_sync(&priv->statistics_periodic); |
1143 | del_timer_sync(&priv->ucode_trace); | |
1144 | } | |
c8ac61cf | 1145 | |
03dadf96 | 1146 | static void iwl_init_hw_rates(struct ieee80211_rate *rates) |
7335613a WYG |
1147 | { |
1148 | int i; | |
c8ac61cf | 1149 | |
7335613a WYG |
1150 | for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { |
1151 | rates[i].bitrate = iwl_rates[i].ieee * 5; | |
1152 | rates[i].hw_value = i; /* Rate scaling will work on indexes */ | |
1153 | rates[i].hw_value_short = i; | |
1154 | rates[i].flags = 0; | |
1155 | if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { | |
1156 | /* | |
1157 | * If CCK != 1M then set short preamble rate flag. | |
1158 | */ | |
1159 | rates[i].flags |= | |
1160 | (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? | |
1161 | 0 : IEEE80211_RATE_SHORT_PREAMBLE; | |
1162 | } | |
c8ac61cf | 1163 | } |
c8ac61cf JB |
1164 | } |
1165 | ||
533b4265 MV |
1166 | #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ |
1167 | #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ | |
1168 | static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, | |
1169 | struct ieee80211_sta_ht_cap *ht_info, | |
1170 | enum ieee80211_band band) | |
1171 | { | |
1172 | u16 max_bit_rate = 0; | |
9e295116 JB |
1173 | u8 rx_chains_num = priv->hw_params.rx_chains_num; |
1174 | u8 tx_chains_num = priv->hw_params.tx_chains_num; | |
533b4265 MV |
1175 | |
1176 | ht_info->cap = 0; | |
1177 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); | |
1178 | ||
1179 | ht_info->ht_supported = true; | |
1180 | ||
2152268f EG |
1181 | if (priv->cfg->ht_params && |
1182 | priv->cfg->ht_params->ht_greenfield_support) | |
533b4265 MV |
1183 | ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; |
1184 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; | |
1185 | max_bit_rate = MAX_BIT_RATE_20_MHZ; | |
9e295116 | 1186 | if (priv->hw_params.ht40_channel & BIT(band)) { |
533b4265 MV |
1187 | ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
1188 | ht_info->cap |= IEEE80211_HT_CAP_SGI_40; | |
1189 | ht_info->mcs.rx_mask[4] = 0x01; | |
1190 | max_bit_rate = MAX_BIT_RATE_40_MHZ; | |
1191 | } | |
1192 | ||
1193 | if (iwlagn_mod_params.amsdu_size_8K) | |
1194 | ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; | |
1195 | ||
1196 | ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; | |
1197 | ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; | |
1198 | ||
1199 | ht_info->mcs.rx_mask[0] = 0xFF; | |
1200 | if (rx_chains_num >= 2) | |
1201 | ht_info->mcs.rx_mask[1] = 0xFF; | |
1202 | if (rx_chains_num >= 3) | |
1203 | ht_info->mcs.rx_mask[2] = 0xFF; | |
1204 | ||
1205 | /* Highest supported Rx data rate */ | |
1206 | max_bit_rate *= rx_chains_num; | |
1207 | WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); | |
1208 | ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); | |
1209 | ||
1210 | /* Tx MCS capabilities */ | |
1211 | ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; | |
1212 | if (tx_chains_num != rx_chains_num) { | |
1213 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; | |
1214 | ht_info->mcs.tx_params |= ((tx_chains_num - 1) << | |
1215 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | /** | |
1220 | * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom | |
1221 | */ | |
1222 | static int iwl_init_geos(struct iwl_priv *priv) | |
1223 | { | |
1224 | struct iwl_channel_info *ch; | |
1225 | struct ieee80211_supported_band *sband; | |
1226 | struct ieee80211_channel *channels; | |
1227 | struct ieee80211_channel *geo_ch; | |
1228 | struct ieee80211_rate *rates; | |
1229 | int i = 0; | |
1230 | s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN; | |
1231 | ||
1232 | if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || | |
1233 | priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { | |
1234 | IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); | |
1235 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | channels = kcalloc(priv->channel_count, | |
1240 | sizeof(struct ieee80211_channel), GFP_KERNEL); | |
1241 | if (!channels) | |
1242 | return -ENOMEM; | |
1243 | ||
1244 | rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), | |
1245 | GFP_KERNEL); | |
1246 | if (!rates) { | |
1247 | kfree(channels); | |
1248 | return -ENOMEM; | |
1249 | } | |
1250 | ||
1251 | /* 5.2GHz channels start after the 2.4GHz channels */ | |
1252 | sband = &priv->bands[IEEE80211_BAND_5GHZ]; | |
1253 | sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; | |
1254 | /* just OFDM */ | |
1255 | sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; | |
1256 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; | |
1257 | ||
9e295116 | 1258 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1259 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1260 | IEEE80211_BAND_5GHZ); | |
1261 | ||
1262 | sband = &priv->bands[IEEE80211_BAND_2GHZ]; | |
1263 | sband->channels = channels; | |
1264 | /* OFDM & CCK */ | |
1265 | sband->bitrates = rates; | |
1266 | sband->n_bitrates = IWL_RATE_COUNT_LEGACY; | |
1267 | ||
9e295116 | 1268 | if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) |
533b4265 MV |
1269 | iwl_init_ht_hw_capab(priv, &sband->ht_cap, |
1270 | IEEE80211_BAND_2GHZ); | |
1271 | ||
1272 | priv->ieee_channels = channels; | |
1273 | priv->ieee_rates = rates; | |
1274 | ||
1275 | for (i = 0; i < priv->channel_count; i++) { | |
1276 | ch = &priv->channel_info[i]; | |
1277 | ||
1278 | /* FIXME: might be removed if scan is OK */ | |
1279 | if (!is_channel_valid(ch)) | |
1280 | continue; | |
1281 | ||
1282 | sband = &priv->bands[ch->band]; | |
1283 | ||
1284 | geo_ch = &sband->channels[sband->n_channels++]; | |
1285 | ||
1286 | geo_ch->center_freq = | |
1287 | ieee80211_channel_to_frequency(ch->channel, ch->band); | |
1288 | geo_ch->max_power = ch->max_power_avg; | |
1289 | geo_ch->max_antenna_gain = 0xff; | |
1290 | geo_ch->hw_value = ch->channel; | |
1291 | ||
1292 | if (is_channel_valid(ch)) { | |
1293 | if (!(ch->flags & EEPROM_CHANNEL_IBSS)) | |
1294 | geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; | |
1295 | ||
1296 | if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) | |
1297 | geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; | |
1298 | ||
1299 | if (ch->flags & EEPROM_CHANNEL_RADAR) | |
1300 | geo_ch->flags |= IEEE80211_CHAN_RADAR; | |
1301 | ||
1302 | geo_ch->flags |= ch->ht40_extension_channel; | |
1303 | ||
1304 | if (ch->max_power_avg > max_tx_power) | |
1305 | max_tx_power = ch->max_power_avg; | |
1306 | } else { | |
1307 | geo_ch->flags |= IEEE80211_CHAN_DISABLED; | |
1308 | } | |
1309 | ||
1310 | IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", | |
1311 | ch->channel, geo_ch->center_freq, | |
1312 | is_channel_a_band(ch) ? "5.2" : "2.4", | |
1313 | geo_ch->flags & IEEE80211_CHAN_DISABLED ? | |
1314 | "restricted" : "valid", | |
1315 | geo_ch->flags); | |
1316 | } | |
1317 | ||
1318 | priv->tx_power_device_lmt = max_tx_power; | |
1319 | priv->tx_power_user_lmt = max_tx_power; | |
1320 | priv->tx_power_next = max_tx_power; | |
1321 | ||
1322 | if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && | |
9e295116 | 1323 | priv->hw_params.sku & EEPROM_SKU_CAP_BAND_52GHZ) { |
533b4265 MV |
1324 | IWL_INFO(priv, "Incorrectly detected BG card as ABG. " |
1325 | "Please send your %s to maintainer.\n", | |
68e8dfda | 1326 | priv->trans->hw_id_str); |
9e295116 | 1327 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; |
533b4265 MV |
1328 | } |
1329 | ||
1330 | IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", | |
1331 | priv->bands[IEEE80211_BAND_2GHZ].n_channels, | |
1332 | priv->bands[IEEE80211_BAND_5GHZ].n_channels); | |
1333 | ||
1334 | set_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | /* | |
1340 | * iwl_free_geos - undo allocations in iwl_init_geos | |
1341 | */ | |
1342 | static void iwl_free_geos(struct iwl_priv *priv) | |
1343 | { | |
1344 | kfree(priv->ieee_channels); | |
1345 | kfree(priv->ieee_rates); | |
1346 | clear_bit(STATUS_GEO_CONFIGURED, &priv->status); | |
1347 | } | |
1348 | ||
50c1e9a9 | 1349 | int iwl_init_drv(struct iwl_priv *priv) |
c8ac61cf | 1350 | { |
7335613a | 1351 | int ret; |
c8ac61cf | 1352 | |
fa23cb04 | 1353 | spin_lock_init(&priv->sta_lock); |
c8ac61cf | 1354 | |
b1eea297 | 1355 | mutex_init(&priv->mutex); |
c8ac61cf | 1356 | |
e1991885 | 1357 | INIT_LIST_HEAD(&priv->calib_results); |
80e83da7 | 1358 | |
7335613a WYG |
1359 | priv->ieee_channels = NULL; |
1360 | priv->ieee_rates = NULL; | |
1361 | priv->band = IEEE80211_BAND_2GHZ; | |
c8ac61cf | 1362 | |
ab5c0f1f | 1363 | priv->plcp_delta_threshold = |
2152268f | 1364 | priv->cfg->base_params->plcp_delta_threshold; |
ab5c0f1f | 1365 | |
7335613a WYG |
1366 | priv->iw_mode = NL80211_IFTYPE_STATION; |
1367 | priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; | |
1368 | priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; | |
1369 | priv->agg_tids_count = 0; | |
c8ac61cf | 1370 | |
947a9407 JB |
1371 | priv->ucode_owner = IWL_OWNERSHIP_DRIVER; |
1372 | ||
7335613a | 1373 | priv->rx_statistics_jiffies = jiffies; |
c8ac61cf | 1374 | |
7335613a WYG |
1375 | /* Choose which receivers/antennas to use */ |
1376 | iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); | |
c8ac61cf | 1377 | |
7335613a | 1378 | iwl_init_scan_params(priv); |
c8ac61cf | 1379 | |
7335613a | 1380 | /* init bt coex */ |
2152268f EG |
1381 | if (priv->cfg->bt_params && |
1382 | priv->cfg->bt_params->advanced_bt_coexist) { | |
7335613a WYG |
1383 | priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; |
1384 | priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; | |
1385 | priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; | |
1386 | priv->bt_on_thresh = BT_ON_THRESHOLD_DEF; | |
1387 | priv->bt_duration = BT_DURATION_LIMIT_DEF; | |
1388 | priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF; | |
1389 | } | |
c8ac61cf | 1390 | |
7335613a | 1391 | ret = iwl_init_channel_map(priv); |
c8ac61cf | 1392 | if (ret) { |
7335613a WYG |
1393 | IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); |
1394 | goto err; | |
c8ac61cf JB |
1395 | } |
1396 | ||
7335613a WYG |
1397 | ret = iwl_init_geos(priv); |
1398 | if (ret) { | |
1399 | IWL_ERR(priv, "initializing geos failed: %d\n", ret); | |
1400 | goto err_free_channel_map; | |
1401 | } | |
03dadf96 | 1402 | iwl_init_hw_rates(priv->ieee_rates); |
c8ac61cf | 1403 | |
7335613a | 1404 | return 0; |
c8ac61cf | 1405 | |
7335613a WYG |
1406 | err_free_channel_map: |
1407 | iwl_free_channel_map(priv); | |
1408 | err: | |
1409 | return ret; | |
1410 | } | |
c8ac61cf | 1411 | |
50c1e9a9 | 1412 | void iwl_uninit_drv(struct iwl_priv *priv) |
7335613a | 1413 | { |
7335613a WYG |
1414 | iwl_free_geos(priv); |
1415 | iwl_free_channel_map(priv); | |
7335613a WYG |
1416 | kfree(priv->scan_cmd); |
1417 | kfree(priv->beacon_cmd); | |
1418 | kfree(rcu_dereference_raw(priv->noa_data)); | |
e1991885 | 1419 | iwl_calib_free_results(priv); |
7335613a WYG |
1420 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1421 | kfree(priv->wowlan_sram); | |
1422 | #endif | |
1423 | } | |
c8ac61cf | 1424 | |
50c1e9a9 | 1425 | void iwl_set_hw_params(struct iwl_priv *priv) |
07d4f1ad | 1426 | { |
2152268f | 1427 | if (priv->cfg->ht_params) |
9e295116 | 1428 | priv->hw_params.use_rts_for_aggregation = |
2152268f | 1429 | priv->cfg->ht_params->use_rts_for_aggregation; |
b9ad70da | 1430 | |
7428994d | 1431 | if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) |
9e295116 | 1432 | priv->hw_params.sku &= ~EEPROM_SKU_CAP_11N_ENABLE; |
07d4f1ad WYG |
1433 | |
1434 | /* Device-specific setup */ | |
e9676695 | 1435 | priv->lib->set_hw_params(priv); |
07d4f1ad WYG |
1436 | } |
1437 | ||
119ea186 | 1438 | |
119ea186 | 1439 | |
50c1e9a9 | 1440 | void iwl_debug_config(struct iwl_priv *priv) |
ebfa867d | 1441 | { |
68e8dfda | 1442 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEBUG " |
ebfa867d WYG |
1443 | #ifdef CONFIG_IWLWIFI_DEBUG |
1444 | "enabled\n"); | |
1445 | #else | |
1446 | "disabled\n"); | |
1447 | #endif | |
68e8dfda | 1448 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEBUGFS " |
ebfa867d WYG |
1449 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1450 | "enabled\n"); | |
1451 | #else | |
1452 | "disabled\n"); | |
1453 | #endif | |
68e8dfda | 1454 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " |
ebfa867d WYG |
1455 | #ifdef CONFIG_IWLWIFI_DEVICE_TRACING |
1456 | "enabled\n"); | |
1457 | #else | |
1458 | "disabled\n"); | |
1459 | #endif | |
1460 | ||
68e8dfda | 1461 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " |
5ef15ccc | 1462 | #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE |
ebfa867d WYG |
1463 | "enabled\n"); |
1464 | #else | |
1465 | "disabled\n"); | |
0cb38d65 | 1466 | #endif |
68e8dfda | 1467 | dev_printk(KERN_INFO, priv->trans->dev, "CONFIG_IWLWIFI_P2P " |
0cb38d65 WYG |
1468 | #ifdef CONFIG_IWLWIFI_P2P |
1469 | "enabled\n"); | |
1470 | #else | |
1471 | "disabled\n"); | |
ebfa867d WYG |
1472 | #endif |
1473 | } | |
1474 | ||
0692fe41 | 1475 | static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, |
2152268f | 1476 | const struct iwl_cfg *cfg, |
0692fe41 | 1477 | const struct iwl_fw *fw) |
b2ea345e | 1478 | { |
b2ea345e WYG |
1479 | struct iwl_priv *priv; |
1480 | struct ieee80211_hw *hw; | |
d0f76d68 | 1481 | struct iwl_op_mode *op_mode; |
084dd791 | 1482 | u16 num_mac; |
a78be210 | 1483 | u32 ucode_flags; |
92d743ae | 1484 | struct iwl_trans_config trans_cfg; |
d663ee73 JB |
1485 | static const u8 no_reclaim_cmds[] = { |
1486 | REPLY_RX_PHY_CMD, | |
1487 | REPLY_RX, | |
1488 | REPLY_RX_MPDU_CMD, | |
1489 | REPLY_COMPRESSED_BA, | |
1490 | STATISTICS_NOTIFICATION, | |
1491 | REPLY_TX, | |
1492 | }; | |
9eae88fa JB |
1493 | const u8 *q_to_ac; |
1494 | int n_q_to_ac; | |
1495 | int i; | |
b2ea345e WYG |
1496 | |
1497 | /************************ | |
1498 | * 1. Allocating HW data | |
1499 | ************************/ | |
fa06ec79 | 1500 | hw = iwl_alloc_all(); |
b2ea345e | 1501 | if (!hw) { |
2152268f | 1502 | pr_err("%s: Cannot allocate network device\n", cfg->name); |
807caf26 EG |
1503 | goto out; |
1504 | } | |
1505 | ||
d0f76d68 EG |
1506 | op_mode = hw->priv; |
1507 | op_mode->ops = &iwl_dvm_ops; | |
1508 | priv = IWL_OP_MODE_GET_DVM(op_mode); | |
68e8dfda | 1509 | priv->trans = trans; |
4b9844f5 | 1510 | priv->dev = trans->dev; |
2152268f | 1511 | priv->cfg = cfg; |
0692fe41 | 1512 | priv->fw = fw; |
a48709c5 | 1513 | |
2152268f | 1514 | switch (priv->cfg->device_family) { |
e9676695 JB |
1515 | case IWL_DEVICE_FAMILY_1000: |
1516 | case IWL_DEVICE_FAMILY_100: | |
1517 | priv->lib = &iwl1000_lib; | |
1518 | break; | |
1519 | case IWL_DEVICE_FAMILY_2000: | |
1520 | case IWL_DEVICE_FAMILY_105: | |
1521 | priv->lib = &iwl2000_lib; | |
1522 | break; | |
1523 | case IWL_DEVICE_FAMILY_2030: | |
1524 | case IWL_DEVICE_FAMILY_135: | |
1525 | priv->lib = &iwl2030_lib; | |
1526 | break; | |
1527 | case IWL_DEVICE_FAMILY_5000: | |
1528 | priv->lib = &iwl5000_lib; | |
1529 | break; | |
1530 | case IWL_DEVICE_FAMILY_5150: | |
1531 | priv->lib = &iwl5150_lib; | |
1532 | break; | |
1533 | case IWL_DEVICE_FAMILY_6000: | |
1534 | case IWL_DEVICE_FAMILY_6005: | |
1535 | case IWL_DEVICE_FAMILY_6000i: | |
1536 | case IWL_DEVICE_FAMILY_6050: | |
1537 | case IWL_DEVICE_FAMILY_6150: | |
1538 | priv->lib = &iwl6000_lib; | |
1539 | break; | |
1540 | case IWL_DEVICE_FAMILY_6030: | |
1541 | priv->lib = &iwl6030_lib; | |
1542 | break; | |
1543 | default: | |
1544 | break; | |
1545 | } | |
1546 | ||
1547 | if (WARN_ON(!priv->lib)) | |
063c5166 | 1548 | goto out_free_hw; |
e9676695 | 1549 | |
3dc420be EG |
1550 | /* |
1551 | * Populate the state variables that the transport layer needs | |
1552 | * to know about. | |
1553 | */ | |
1554 | trans_cfg.op_mode = op_mode; | |
d663ee73 JB |
1555 | trans_cfg.no_reclaim_cmds = no_reclaim_cmds; |
1556 | trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); | |
b2cf410c | 1557 | trans_cfg.rx_buf_size_8k = iwlagn_mod_params.amsdu_size_8K; |
7c5ba4a8 JB |
1558 | if (!iwlagn_mod_params.wd_disable) |
1559 | trans_cfg.queue_watchdog_timeout = | |
2152268f | 1560 | priv->cfg->base_params->wd_timeout; |
7c5ba4a8 JB |
1561 | else |
1562 | trans_cfg.queue_watchdog_timeout = IWL_WATCHHDOG_DISABLED; | |
d9fb6465 | 1563 | trans_cfg.command_names = iwl_dvm_cmd_strings; |
9bdfbfad MV |
1564 | |
1565 | ucode_flags = fw->ucode_capa.flags; | |
1566 | ||
1567 | #ifndef CONFIG_IWLWIFI_P2P | |
ef213d6d | 1568 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; |
9bdfbfad | 1569 | #endif |
92d743ae | 1570 | |
c6f600fc MV |
1571 | if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { |
1572 | priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; | |
1573 | trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; | |
9eae88fa JB |
1574 | trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; |
1575 | trans_cfg.n_queue_to_fifo = | |
1576 | ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); | |
1577 | q_to_ac = iwlagn_pan_queue_to_ac; | |
1578 | n_q_to_ac = ARRAY_SIZE(iwlagn_pan_queue_to_ac); | |
c6f600fc MV |
1579 | } else { |
1580 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1581 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1582 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1583 | trans_cfg.n_queue_to_fifo = | |
1584 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
1585 | q_to_ac = iwlagn_bss_queue_to_ac; | |
1586 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); | |
c6f600fc MV |
1587 | } |
1588 | ||
92d743ae | 1589 | /* Configure transport layer */ |
68e8dfda | 1590 | iwl_trans_configure(priv->trans, &trans_cfg); |
ed277c93 | 1591 | |
b2ea345e | 1592 | /* At this point both hw and priv are allocated. */ |
8f2d3d2a | 1593 | |
68e8dfda | 1594 | SET_IEEE80211_DEV(priv->hw, priv->trans->dev); |
b481de9c | 1595 | |
1589c562 | 1596 | /* show what debugging capabilities we have */ |
ebfa867d WYG |
1597 | iwl_debug_config(priv); |
1598 | ||
e1623446 | 1599 | IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); |
316c30d9 | 1600 | |
bee008b7 WYG |
1601 | /* is antenna coupling more than 35dB ? */ |
1602 | priv->bt_ant_couple_ok = | |
48f20d35 EG |
1603 | (iwlagn_mod_params.ant_coupling > |
1604 | IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? | |
1605 | true : false; | |
bee008b7 | 1606 | |
9f28ebc3 | 1607 | /* enable/disable bt channel inhibition */ |
48f20d35 | 1608 | priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; |
9f28ebc3 WYG |
1609 | IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", |
1610 | (priv->bt_ch_announce) ? "On" : "Off"); | |
f37837c9 | 1611 | |
731a29b7 | 1612 | /* these spin locks will be used in apm_ops.init and EEPROM access |
a8b50a0a MA |
1613 | * we should init now |
1614 | */ | |
68e8dfda | 1615 | spin_lock_init(&priv->trans->reg_lock); |
4ff70fcd | 1616 | spin_lock_init(&priv->statistics.lock); |
4843b5a7 | 1617 | |
084dd791 | 1618 | /*********************** |
3dc420be | 1619 | * 2. Read REV register |
084dd791 | 1620 | ***********************/ |
c11362c0 | 1621 | IWL_INFO(priv, "Detected %s, REV=0x%X\n", |
2152268f | 1622 | priv->cfg->name, priv->trans->hw_rev); |
316c30d9 | 1623 | |
68e8dfda | 1624 | if (iwl_trans_start_hw(priv->trans)) |
063c5166 | 1625 | goto out_free_hw; |
1e89cbac | 1626 | |
88f10a17 | 1627 | /* Read the EEPROM */ |
68e8dfda | 1628 | if (iwl_eeprom_init(priv, priv->trans->hw_rev)) { |
15b1687c | 1629 | IWL_ERR(priv, "Unable to init EEPROM\n"); |
063c5166 | 1630 | goto out_free_hw; |
316c30d9 | 1631 | } |
88f10a17 | 1632 | /* Reset chip to save power until we load uCode during "up". */ |
218733cf | 1633 | iwl_trans_stop_hw(priv->trans, false); |
88f10a17 WYG |
1634 | |
1635 | if (iwl_eeprom_check_version(priv)) | |
c8f16138 | 1636 | goto out_free_eeprom; |
8614f360 | 1637 | |
88f10a17 | 1638 | if (iwl_eeprom_init_hw_params(priv)) |
21a5b3c6 WYG |
1639 | goto out_free_eeprom; |
1640 | ||
02883017 | 1641 | /* extract MAC Address */ |
11483b5c | 1642 | iwl_eeprom_get_mac(priv, priv->addresses[0].addr); |
c6fa17ed WYG |
1643 | IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); |
1644 | priv->hw->wiphy->addresses = priv->addresses; | |
1645 | priv->hw->wiphy->n_addresses = 1; | |
11483b5c | 1646 | num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); |
c6fa17ed WYG |
1647 | if (num_mac > 1) { |
1648 | memcpy(priv->addresses[1].addr, priv->addresses[0].addr, | |
1649 | ETH_ALEN); | |
1650 | priv->addresses[1].addr[5]++; | |
1651 | priv->hw->wiphy->n_addresses++; | |
1652 | } | |
316c30d9 | 1653 | |
3dc420be EG |
1654 | /************************ |
1655 | * 4. Setup HW constants | |
1656 | ************************/ | |
1657 | iwl_set_hw_params(priv); | |
1658 | ||
9e295116 | 1659 | if (!(priv->hw_params.sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { |
3dc420be EG |
1660 | IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); |
1661 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; | |
1662 | /* | |
1663 | * if not PAN, then don't support P2P -- might be a uCode | |
1664 | * packaging bug or due to the eeprom check above | |
1665 | */ | |
1666 | ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; | |
1667 | priv->sta_key_max_num = STA_KEY_MAX_NUM; | |
1668 | trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; | |
9eae88fa JB |
1669 | trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; |
1670 | trans_cfg.n_queue_to_fifo = | |
1671 | ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); | |
1672 | q_to_ac = iwlagn_bss_queue_to_ac; | |
1673 | n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac); | |
3dc420be EG |
1674 | |
1675 | /* Configure transport layer again*/ | |
68e8dfda | 1676 | iwl_trans_configure(priv->trans, &trans_cfg); |
3dc420be EG |
1677 | } |
1678 | ||
316c30d9 | 1679 | /******************* |
3dc420be | 1680 | * 5. Setup priv |
316c30d9 | 1681 | *******************/ |
9eae88fa JB |
1682 | for (i = 0; i < IEEE80211_NUM_ACS; i++) |
1683 | atomic_set(&priv->ac_stop_count[i], 0); | |
1684 | ||
1685 | for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { | |
1686 | if (i < n_q_to_ac) | |
1687 | priv->queue_to_ac[i] = q_to_ac[i]; | |
1688 | else | |
1689 | priv->queue_to_ac[i] = IWL_INVALID_AC; | |
1690 | } | |
1691 | ||
1692 | WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != | |
1693 | IWLAGN_CMD_FIFO_NUM); | |
b481de9c | 1694 | |
88f10a17 | 1695 | if (iwl_init_drv(priv)) |
399f4900 | 1696 | goto out_free_eeprom; |
88f10a17 | 1697 | |
bf85ea4f | 1698 | /* At this point both hw and priv are initialized. */ |
316c30d9 | 1699 | |
316c30d9 | 1700 | /******************** |
3dc420be | 1701 | * 6. Setup services |
316c30d9 | 1702 | ********************/ |
4e39317d | 1703 | iwl_setup_deferred_work(priv); |
653fa4a0 | 1704 | iwl_setup_rx_handlers(priv); |
4613e72d | 1705 | iwl_testmode_init(priv); |
316c30d9 | 1706 | |
58d0f361 | 1707 | iwl_power_initialize(priv); |
39b73fb1 | 1708 | iwl_tt_initialize(priv); |
158bea07 | 1709 | |
e211b242 EG |
1710 | snprintf(priv->hw->wiphy->fw_version, |
1711 | sizeof(priv->hw->wiphy->fw_version), | |
1712 | "%s", fw->fw_version); | |
1713 | ||
1714 | priv->new_scan_threshold_behaviour = | |
a78be210 | 1715 | !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); |
562db532 | 1716 | |
e211b242 EG |
1717 | priv->phy_calib_chain_noise_reset_cmd = |
1718 | fw->ucode_capa.standard_phy_calibration_size; | |
1719 | priv->phy_calib_chain_noise_gain_cmd = | |
1720 | fw->ucode_capa.standard_phy_calibration_size + 1; | |
1721 | ||
1722 | /* initialize all valid contexts */ | |
a78be210 | 1723 | iwl_init_context(priv, ucode_flags); |
e211b242 EG |
1724 | |
1725 | /************************************************** | |
1726 | * This is still part of probe() in a sense... | |
1727 | * | |
3dc420be | 1728 | * 7. Setup and register with mac80211 and debugfs |
e211b242 | 1729 | **************************************************/ |
88f10a17 | 1730 | if (iwlagn_mac_setup_register(priv, &fw->ucode_capa)) |
7d47618a | 1731 | goto out_destroy_workqueue; |
158bea07 | 1732 | |
88f10a17 | 1733 | if (iwl_dbgfs_register(priv, DRV_NAME)) |
e211b242 | 1734 | IWL_ERR(priv, |
88f10a17 | 1735 | "failed to create debugfs files. Ignoring error\n"); |
e211b242 | 1736 | |
d0f76d68 | 1737 | return op_mode; |
b481de9c | 1738 | |
34c1b7ba | 1739 | out_destroy_workqueue: |
1ee158d8 JB |
1740 | destroy_workqueue(priv->workqueue); |
1741 | priv->workqueue = NULL; | |
6ba87956 | 1742 | iwl_uninit_drv(priv); |
34c1b7ba | 1743 | out_free_eeprom: |
11483b5c | 1744 | iwl_eeprom_free(priv); |
063c5166 | 1745 | out_free_hw: |
d7c76f4c | 1746 | ieee80211_free_hw(priv->hw); |
34c1b7ba | 1747 | out: |
d0f76d68 EG |
1748 | op_mode = NULL; |
1749 | return op_mode; | |
b481de9c ZY |
1750 | } |
1751 | ||
50c1e9a9 | 1752 | void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) |
b481de9c | 1753 | { |
d0f76d68 EG |
1754 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); |
1755 | ||
e1623446 | 1756 | IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); |
b481de9c | 1757 | |
67249625 | 1758 | iwl_dbgfs_unregister(priv); |
67249625 | 1759 | |
7a4e5281 | 1760 | iwl_testmode_cleanup(priv); |
09af1403 | 1761 | iwlagn_mac_unregister(priv); |
c4f55232 | 1762 | |
39b73fb1 WYG |
1763 | iwl_tt_exit(priv); |
1764 | ||
ae2c30bf | 1765 | /*This will stop the queues, move the device to low power state */ |
8f7ffbe2 | 1766 | priv->ucode_loaded = false; |
68e8dfda | 1767 | iwl_trans_stop_device(priv->trans); |
0359facc | 1768 | |
11483b5c | 1769 | iwl_eeprom_free(priv); |
b481de9c | 1770 | |
948c171c | 1771 | /*netif_stop_queue(dev); */ |
1ee158d8 | 1772 | flush_workqueue(priv->workqueue); |
948c171c | 1773 | |
ade4c649 | 1774 | /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes |
1ee158d8 | 1775 | * priv->workqueue... so we can't take down the workqueue |
b481de9c | 1776 | * until now... */ |
1ee158d8 JB |
1777 | destroy_workqueue(priv->workqueue); |
1778 | priv->workqueue = NULL; | |
b481de9c | 1779 | |
6ba87956 | 1780 | iwl_uninit_drv(priv); |
b481de9c | 1781 | |
77834543 | 1782 | dev_kfree_skb(priv->beacon_skb); |
b481de9c | 1783 | |
218733cf | 1784 | iwl_trans_stop_hw(priv->trans, true); |
b481de9c ZY |
1785 | ieee80211_free_hw(priv->hw); |
1786 | } | |
1787 | ||
2fdfc476 MV |
1788 | static const char * const desc_lookup_text[] = { |
1789 | "OK", | |
1790 | "FAIL", | |
1791 | "BAD_PARAM", | |
1792 | "BAD_CHECKSUM", | |
1793 | "NMI_INTERRUPT_WDG", | |
1794 | "SYSASSERT", | |
1795 | "FATAL_ERROR", | |
1796 | "BAD_COMMAND", | |
1797 | "HW_ERROR_TUNE_LOCK", | |
1798 | "HW_ERROR_TEMPERATURE", | |
1799 | "ILLEGAL_CHAN_FREQ", | |
1800 | "VCC_NOT_STABLE", | |
1801 | "FH_ERROR", | |
1802 | "NMI_INTERRUPT_HOST", | |
1803 | "NMI_INTERRUPT_ACTION_PT", | |
1804 | "NMI_INTERRUPT_UNKNOWN", | |
1805 | "UCODE_VERSION_MISMATCH", | |
1806 | "HW_ERROR_ABS_LOCK", | |
1807 | "HW_ERROR_CAL_LOCK_FAIL", | |
1808 | "NMI_INTERRUPT_INST_ACTION_PT", | |
1809 | "NMI_INTERRUPT_DATA_ACTION_PT", | |
1810 | "NMI_TRM_HW_ER", | |
1811 | "NMI_INTERRUPT_TRM", | |
1812 | "NMI_INTERRUPT_BREAK_POINT", | |
1813 | "DEBUG_0", | |
1814 | "DEBUG_1", | |
1815 | "DEBUG_2", | |
1816 | "DEBUG_3", | |
1817 | }; | |
1818 | ||
1819 | static struct { char *name; u8 num; } advanced_lookup[] = { | |
1820 | { "NMI_INTERRUPT_WDG", 0x34 }, | |
1821 | { "SYSASSERT", 0x35 }, | |
1822 | { "UCODE_VERSION_MISMATCH", 0x37 }, | |
1823 | { "BAD_COMMAND", 0x38 }, | |
1824 | { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, | |
1825 | { "FATAL_ERROR", 0x3D }, | |
1826 | { "NMI_TRM_HW_ERR", 0x46 }, | |
1827 | { "NMI_INTERRUPT_TRM", 0x4C }, | |
1828 | { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, | |
1829 | { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, | |
1830 | { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, | |
1831 | { "NMI_INTERRUPT_HOST", 0x66 }, | |
1832 | { "NMI_INTERRUPT_ACTION_PT", 0x7C }, | |
1833 | { "NMI_INTERRUPT_UNKNOWN", 0x84 }, | |
1834 | { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, | |
1835 | { "ADVANCED_SYSASSERT", 0 }, | |
1836 | }; | |
1837 | ||
1838 | static const char *desc_lookup(u32 num) | |
1839 | { | |
1840 | int i; | |
1841 | int max = ARRAY_SIZE(desc_lookup_text); | |
1842 | ||
1843 | if (num < max) | |
1844 | return desc_lookup_text[num]; | |
1845 | ||
1846 | max = ARRAY_SIZE(advanced_lookup) - 1; | |
1847 | for (i = 0; i < max; i++) { | |
1848 | if (advanced_lookup[i].num == num) | |
1849 | break; | |
1850 | } | |
1851 | return advanced_lookup[i].name; | |
1852 | } | |
1853 | ||
1854 | #define ERROR_START_OFFSET (1 * sizeof(u32)) | |
1855 | #define ERROR_ELEM_SIZE (7 * sizeof(u32)) | |
1856 | ||
1857 | static void iwl_dump_nic_error_log(struct iwl_priv *priv) | |
1858 | { | |
68e8dfda | 1859 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
1860 | u32 base; |
1861 | struct iwl_error_event_table table; | |
1862 | ||
1863 | base = priv->device_pointers.error_event_table; | |
a42506eb | 1864 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1865 | if (!base) |
e3ec26de | 1866 | base = priv->fw->init_errlog_ptr; |
2fdfc476 MV |
1867 | } else { |
1868 | if (!base) | |
e3ec26de | 1869 | base = priv->fw->inst_errlog_ptr; |
2fdfc476 MV |
1870 | } |
1871 | ||
1872 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
1873 | IWL_ERR(priv, | |
1874 | "Not valid error log pointer 0x%08X for %s uCode\n", | |
1875 | base, | |
a42506eb | 1876 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
1877 | ? "Init" : "RT"); |
1878 | return; | |
1879 | } | |
1880 | ||
1881 | /*TODO: Update dbgfs with ISR error stats obtained below */ | |
1882 | iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); | |
1883 | ||
1884 | if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { | |
1885 | IWL_ERR(trans, "Start IWL Error Log Dump:\n"); | |
1886 | IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", | |
74fda971 | 1887 | priv->status, table.valid); |
2fdfc476 MV |
1888 | } |
1889 | ||
1890 | trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, | |
1891 | table.data1, table.data2, table.line, | |
1892 | table.blink1, table.blink2, table.ilink1, | |
1893 | table.ilink2, table.bcon_time, table.gp1, | |
1894 | table.gp2, table.gp3, table.ucode_ver, | |
1895 | table.hw_ver, table.brd_ver); | |
1896 | IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, | |
1897 | desc_lookup(table.error_id)); | |
1898 | IWL_ERR(priv, "0x%08X | uPc\n", table.pc); | |
1899 | IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); | |
1900 | IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); | |
1901 | IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); | |
1902 | IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); | |
1903 | IWL_ERR(priv, "0x%08X | data1\n", table.data1); | |
1904 | IWL_ERR(priv, "0x%08X | data2\n", table.data2); | |
1905 | IWL_ERR(priv, "0x%08X | line\n", table.line); | |
1906 | IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); | |
1907 | IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); | |
1908 | IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); | |
1909 | IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); | |
1910 | IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); | |
1911 | IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); | |
1912 | IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); | |
1913 | IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); | |
1914 | IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); | |
1915 | IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); | |
1916 | IWL_ERR(priv, "0x%08X | isr0\n", table.isr0); | |
1917 | IWL_ERR(priv, "0x%08X | isr1\n", table.isr1); | |
1918 | IWL_ERR(priv, "0x%08X | isr2\n", table.isr2); | |
1919 | IWL_ERR(priv, "0x%08X | isr3\n", table.isr3); | |
1920 | IWL_ERR(priv, "0x%08X | isr4\n", table.isr4); | |
1921 | IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref); | |
1922 | IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event); | |
1923 | IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control); | |
1924 | IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration); | |
1925 | IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); | |
1926 | IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); | |
1927 | IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); | |
1928 | IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp); | |
1929 | IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler); | |
1930 | } | |
1931 | ||
1932 | #define EVENT_START_OFFSET (4 * sizeof(u32)) | |
1933 | ||
1934 | /** | |
1935 | * iwl_print_event_log - Dump error event log to syslog | |
1936 | * | |
1937 | */ | |
1938 | static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, | |
1939 | u32 num_events, u32 mode, | |
1940 | int pos, char **buf, size_t bufsz) | |
1941 | { | |
1942 | u32 i; | |
1943 | u32 base; /* SRAM byte address of event log header */ | |
1944 | u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ | |
1945 | u32 ptr; /* SRAM byte address of log data */ | |
1946 | u32 ev, time, data; /* event log data */ | |
1947 | unsigned long reg_flags; | |
1948 | ||
68e8dfda | 1949 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
1950 | |
1951 | if (num_events == 0) | |
1952 | return pos; | |
1953 | ||
1954 | base = priv->device_pointers.log_event_table; | |
a42506eb | 1955 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
2fdfc476 | 1956 | if (!base) |
e3ec26de | 1957 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 MV |
1958 | } else { |
1959 | if (!base) | |
e3ec26de | 1960 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
1961 | } |
1962 | ||
1963 | if (mode == 0) | |
1964 | event_size = 2 * sizeof(u32); | |
1965 | else | |
1966 | event_size = 3 * sizeof(u32); | |
1967 | ||
1968 | ptr = base + EVENT_START_OFFSET + (start_idx * event_size); | |
1969 | ||
1970 | /* Make sure device is powered up for SRAM reads */ | |
1971 | spin_lock_irqsave(&trans->reg_lock, reg_flags); | |
1972 | if (unlikely(!iwl_grab_nic_access(trans))) | |
1973 | goto out_unlock; | |
1974 | ||
1975 | /* Set starting address; reads will auto-increment */ | |
1976 | iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); | |
1977 | ||
1978 | /* "time" is actually "data" for mode 0 (no timestamp). | |
1979 | * place event id # at far right for easier visual parsing. */ | |
1980 | for (i = 0; i < num_events; i++) { | |
1981 | ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1982 | time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1983 | if (mode == 0) { | |
1984 | /* data, ev */ | |
1985 | if (bufsz) { | |
1986 | pos += scnprintf(*buf + pos, bufsz - pos, | |
1987 | "EVT_LOG:0x%08x:%04u\n", | |
1988 | time, ev); | |
1989 | } else { | |
1990 | trace_iwlwifi_dev_ucode_event(trans->dev, 0, | |
1991 | time, ev); | |
1992 | IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", | |
1993 | time, ev); | |
1994 | } | |
1995 | } else { | |
1996 | data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); | |
1997 | if (bufsz) { | |
1998 | pos += scnprintf(*buf + pos, bufsz - pos, | |
1999 | "EVT_LOGT:%010u:0x%08x:%04u\n", | |
2000 | time, data, ev); | |
2001 | } else { | |
2002 | IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", | |
2003 | time, data, ev); | |
2004 | trace_iwlwifi_dev_ucode_event(trans->dev, time, | |
2005 | data, ev); | |
2006 | } | |
2007 | } | |
2008 | } | |
2009 | ||
2010 | /* Allow device to power down */ | |
2011 | iwl_release_nic_access(trans); | |
2012 | out_unlock: | |
2013 | spin_unlock_irqrestore(&trans->reg_lock, reg_flags); | |
2014 | return pos; | |
2015 | } | |
2016 | ||
2017 | /** | |
2018 | * iwl_print_last_event_logs - Dump the newest # of event log to syslog | |
2019 | */ | |
2020 | static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, | |
2021 | u32 num_wraps, u32 next_entry, | |
2022 | u32 size, u32 mode, | |
2023 | int pos, char **buf, size_t bufsz) | |
2024 | { | |
2025 | /* | |
2026 | * display the newest DEFAULT_LOG_ENTRIES entries | |
2027 | * i.e the entries just before the next ont that uCode would fill. | |
2028 | */ | |
2029 | if (num_wraps) { | |
2030 | if (next_entry < size) { | |
2031 | pos = iwl_print_event_log(priv, | |
2032 | capacity - (size - next_entry), | |
2033 | size - next_entry, mode, | |
2034 | pos, buf, bufsz); | |
2035 | pos = iwl_print_event_log(priv, 0, | |
2036 | next_entry, mode, | |
2037 | pos, buf, bufsz); | |
2038 | } else | |
2039 | pos = iwl_print_event_log(priv, next_entry - size, | |
2040 | size, mode, pos, buf, bufsz); | |
2041 | } else { | |
2042 | if (next_entry < size) { | |
2043 | pos = iwl_print_event_log(priv, 0, next_entry, | |
2044 | mode, pos, buf, bufsz); | |
2045 | } else { | |
2046 | pos = iwl_print_event_log(priv, next_entry - size, | |
2047 | size, mode, pos, buf, bufsz); | |
2048 | } | |
2049 | } | |
2050 | return pos; | |
2051 | } | |
2052 | ||
2053 | #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) | |
2054 | ||
2055 | int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, | |
2056 | char **buf, bool display) | |
2057 | { | |
2058 | u32 base; /* SRAM byte address of event log header */ | |
2059 | u32 capacity; /* event log capacity in # entries */ | |
2060 | u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ | |
2061 | u32 num_wraps; /* # times uCode wrapped to top of log */ | |
2062 | u32 next_entry; /* index of next entry to be written by uCode */ | |
2063 | u32 size; /* # entries that we'll print */ | |
2064 | u32 logsize; | |
2065 | int pos = 0; | |
2066 | size_t bufsz = 0; | |
68e8dfda | 2067 | struct iwl_trans *trans = priv->trans; |
2fdfc476 MV |
2068 | |
2069 | base = priv->device_pointers.log_event_table; | |
a42506eb | 2070 | if (priv->cur_ucode == IWL_UCODE_INIT) { |
e3ec26de | 2071 | logsize = priv->fw->init_evtlog_size; |
2fdfc476 | 2072 | if (!base) |
e3ec26de | 2073 | base = priv->fw->init_evtlog_ptr; |
2fdfc476 | 2074 | } else { |
e3ec26de | 2075 | logsize = priv->fw->inst_evtlog_size; |
2fdfc476 | 2076 | if (!base) |
e3ec26de | 2077 | base = priv->fw->inst_evtlog_ptr; |
2fdfc476 MV |
2078 | } |
2079 | ||
2080 | if (!iwlagn_hw_valid_rtc_data_addr(base)) { | |
2081 | IWL_ERR(priv, | |
2082 | "Invalid event log pointer 0x%08X for %s uCode\n", | |
2083 | base, | |
a42506eb | 2084 | (priv->cur_ucode == IWL_UCODE_INIT) |
2fdfc476 MV |
2085 | ? "Init" : "RT"); |
2086 | return -EINVAL; | |
2087 | } | |
2088 | ||
2089 | /* event log header */ | |
2090 | capacity = iwl_read_targ_mem(trans, base); | |
2091 | mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); | |
2092 | num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); | |
2093 | next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); | |
2094 | ||
2095 | if (capacity > logsize) { | |
2096 | IWL_ERR(priv, "Log capacity %d is bogus, limit to %d " | |
2097 | "entries\n", capacity, logsize); | |
2098 | capacity = logsize; | |
2099 | } | |
2100 | ||
2101 | if (next_entry > logsize) { | |
2102 | IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", | |
2103 | next_entry, logsize); | |
2104 | next_entry = logsize; | |
2105 | } | |
2106 | ||
2107 | size = num_wraps ? capacity : next_entry; | |
2108 | ||
2109 | /* bail out if nothing in log */ | |
2110 | if (size == 0) { | |
2111 | IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); | |
2112 | return pos; | |
2113 | } | |
2114 | ||
2115 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2116 | if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) | |
2117 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2118 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2119 | #else | |
2120 | size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) | |
2121 | ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; | |
2122 | #endif | |
2123 | IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", | |
2124 | size); | |
2125 | ||
2126 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2127 | if (display) { | |
2128 | if (full_log) | |
2129 | bufsz = capacity * 48; | |
2130 | else | |
2131 | bufsz = size * 48; | |
2132 | *buf = kmalloc(bufsz, GFP_KERNEL); | |
2133 | if (!*buf) | |
2134 | return -ENOMEM; | |
2135 | } | |
2136 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { | |
2137 | /* | |
2138 | * if uCode has wrapped back to top of log, | |
2139 | * start at the oldest entry, | |
2140 | * i.e the next one that uCode would fill. | |
2141 | */ | |
2142 | if (num_wraps) | |
2143 | pos = iwl_print_event_log(priv, next_entry, | |
2144 | capacity - next_entry, mode, | |
2145 | pos, buf, bufsz); | |
2146 | /* (then/else) start at top of log */ | |
2147 | pos = iwl_print_event_log(priv, 0, | |
2148 | next_entry, mode, pos, buf, bufsz); | |
2149 | } else | |
2150 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2151 | next_entry, size, mode, | |
2152 | pos, buf, bufsz); | |
2153 | #else | |
2154 | pos = iwl_print_last_event_logs(priv, capacity, num_wraps, | |
2155 | next_entry, size, mode, | |
2156 | pos, buf, bufsz); | |
2157 | #endif | |
2158 | return pos; | |
2159 | } | |
2160 | ||
193219cf MV |
2161 | static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) |
2162 | { | |
2163 | unsigned int reload_msec; | |
2164 | unsigned long reload_jiffies; | |
2165 | ||
2166 | #ifdef CONFIG_IWLWIFI_DEBUG | |
2167 | if (iwl_have_debug_level(IWL_DL_FW_ERRORS)) | |
2168 | iwl_print_rx_config_cmd(priv, IWL_RXON_CTX_BSS); | |
2169 | #endif | |
2170 | ||
2171 | /* uCode is no longer loaded. */ | |
2172 | priv->ucode_loaded = false; | |
2173 | ||
2174 | /* Set the FW error flag -- cleared on iwl_down */ | |
2175 | set_bit(STATUS_FW_ERROR, &priv->status); | |
2176 | ||
193219cf MV |
2177 | iwl_abort_notification_waits(&priv->notif_wait); |
2178 | ||
2179 | /* Keep the restart process from trying to send host | |
2180 | * commands by clearing the ready bit */ | |
2181 | clear_bit(STATUS_READY, &priv->status); | |
2182 | ||
68e8dfda | 2183 | wake_up(&priv->trans->wait_command_queue); |
193219cf MV |
2184 | |
2185 | if (!ondemand) { | |
2186 | /* | |
2187 | * If firmware keep reloading, then it indicate something | |
2188 | * serious wrong and firmware having problem to recover | |
2189 | * from it. Instead of keep trying which will fill the syslog | |
2190 | * and hang the system, let's just stop it | |
2191 | */ | |
2192 | reload_jiffies = jiffies; | |
2193 | reload_msec = jiffies_to_msecs((long) reload_jiffies - | |
2194 | (long) priv->reload_jiffies); | |
2195 | priv->reload_jiffies = reload_jiffies; | |
2196 | if (reload_msec <= IWL_MIN_RELOAD_DURATION) { | |
2197 | priv->reload_count++; | |
2198 | if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) { | |
2199 | IWL_ERR(priv, "BUG_ON, Stop restarting\n"); | |
2200 | return; | |
2201 | } | |
2202 | } else | |
2203 | priv->reload_count = 0; | |
2204 | } | |
2205 | ||
2206 | if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { | |
2207 | if (iwlagn_mod_params.restart_fw) { | |
2208 | IWL_DEBUG_FW_ERRORS(priv, | |
2209 | "Restarting adapter due to uCode error.\n"); | |
2210 | queue_work(priv->workqueue, &priv->restart); | |
2211 | } else | |
2212 | IWL_DEBUG_FW_ERRORS(priv, | |
2213 | "Detected FW error, but not restarting\n"); | |
2214 | } | |
2215 | } | |
2216 | ||
50c1e9a9 | 2217 | void iwl_nic_error(struct iwl_op_mode *op_mode) |
19469f47 MV |
2218 | { |
2219 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2220 | ||
2fdfc476 | 2221 | IWL_ERR(priv, "Loaded firmware version: %s\n", |
e3ec26de | 2222 | priv->fw->fw_version); |
2fdfc476 MV |
2223 | |
2224 | iwl_dump_nic_error_log(priv); | |
2225 | iwl_dump_nic_event_log(priv, false, NULL, false); | |
2226 | ||
19469f47 MV |
2227 | iwlagn_fw_error(priv, false); |
2228 | } | |
2229 | ||
50c1e9a9 | 2230 | void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) |
0e781842 JB |
2231 | { |
2232 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2233 | ||
2234 | if (!iwl_check_for_ct_kill(priv)) { | |
2235 | IWL_ERR(priv, "Restarting adapter queue is full\n"); | |
b7e21bf0 | 2236 | iwlagn_fw_error(priv, false); |
0e781842 JB |
2237 | } |
2238 | } | |
2239 | ||
50c1e9a9 | 2240 | void iwl_nic_config(struct iwl_op_mode *op_mode) |
ecdb975c JB |
2241 | { |
2242 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2243 | ||
e9676695 | 2244 | priv->lib->nic_config(priv); |
ecdb975c JB |
2245 | } |
2246 | ||
8a8bbdb4 DF |
2247 | static void iwl_wimax_active(struct iwl_op_mode *op_mode) |
2248 | { | |
2249 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2250 | ||
2251 | clear_bit(STATUS_READY, &priv->status); | |
2252 | IWL_ERR(priv, "RF is used by WiMAX\n"); | |
2253 | } | |
2254 | ||
50c1e9a9 | 2255 | void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2256 | { |
2257 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
9eae88fa JB |
2258 | int ac = priv->queue_to_ac[queue]; |
2259 | ||
2260 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) | |
2261 | return; | |
2262 | ||
2263 | if (atomic_inc_return(&priv->ac_stop_count[ac]) > 1) { | |
2264 | IWL_DEBUG_TX_QUEUES(priv, | |
2265 | "queue %d (AC %d) already stopped\n", | |
2266 | queue, ac); | |
2267 | return; | |
2268 | } | |
e755f882 JB |
2269 | |
2270 | set_bit(ac, &priv->transport_queue_stop); | |
2271 | ieee80211_stop_queue(priv->hw, ac); | |
2272 | } | |
2273 | ||
50c1e9a9 | 2274 | void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) |
e755f882 JB |
2275 | { |
2276 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
9eae88fa JB |
2277 | int ac = priv->queue_to_ac[queue]; |
2278 | ||
2279 | if (WARN_ON_ONCE(ac == IWL_INVALID_AC)) | |
2280 | return; | |
2281 | ||
2282 | if (atomic_dec_return(&priv->ac_stop_count[ac]) > 0) { | |
2283 | IWL_DEBUG_TX_QUEUES(priv, | |
2284 | "queue %d (AC %d) already awake\n", | |
2285 | queue, ac); | |
2286 | return; | |
2287 | } | |
e755f882 JB |
2288 | |
2289 | clear_bit(ac, &priv->transport_queue_stop); | |
2290 | ||
2291 | if (!priv->passive_no_rx) | |
2292 | ieee80211_wake_queue(priv->hw, ac); | |
2293 | } | |
2294 | ||
2295 | void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) | |
2296 | { | |
2297 | int ac; | |
2298 | ||
2299 | if (!priv->passive_no_rx) | |
2300 | return; | |
2301 | ||
2302 | for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { | |
3251715d EG |
2303 | if (!test_bit(ac, &priv->transport_queue_stop)) { |
2304 | IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); | |
e755f882 | 2305 | ieee80211_wake_queue(priv->hw, ac); |
3251715d EG |
2306 | } else { |
2307 | IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); | |
2308 | } | |
e755f882 JB |
2309 | } |
2310 | ||
2311 | priv->passive_no_rx = false; | |
2312 | } | |
2313 | ||
50c1e9a9 | 2314 | void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) |
ae625db3 MV |
2315 | { |
2316 | struct ieee80211_tx_info *info; | |
2317 | ||
2318 | info = IEEE80211_SKB_CB(skb); | |
2319 | kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); | |
2320 | dev_kfree_skb_any(skb); | |
2321 | } | |
2322 | ||
50c1e9a9 | 2323 | void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) |
a297d95d MV |
2324 | { |
2325 | struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); | |
2326 | ||
2327 | if (state) | |
2328 | set_bit(STATUS_RF_KILL_HW, &priv->status); | |
2329 | else | |
2330 | clear_bit(STATUS_RF_KILL_HW, &priv->status); | |
2331 | ||
2332 | wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); | |
2333 | } | |
2334 | ||
d0f76d68 EG |
2335 | const struct iwl_op_mode_ops iwl_dvm_ops = { |
2336 | .start = iwl_op_mode_dvm_start, | |
2337 | .stop = iwl_op_mode_dvm_stop, | |
db70f290 | 2338 | .rx = iwl_rx_dispatch, |
02e38358 EG |
2339 | .queue_full = iwl_stop_sw_queue, |
2340 | .queue_not_full = iwl_wake_sw_queue, | |
7120d989 | 2341 | .hw_rf_kill = iwl_set_hw_rfkill_state, |
ed277c93 | 2342 | .free_skb = iwl_free_skb, |
bcb9321c | 2343 | .nic_error = iwl_nic_error, |
0e781842 | 2344 | .cmd_queue_full = iwl_cmd_queue_full, |
ecdb975c | 2345 | .nic_config = iwl_nic_config, |
8a8bbdb4 | 2346 | .wimax_active = iwl_wimax_active, |
d0f76d68 | 2347 | }; |
b481de9c ZY |
2348 | |
2349 | /***************************************************************************** | |
2350 | * | |
2351 | * driver and module entry point | |
2352 | * | |
2353 | *****************************************************************************/ | |
354928dd SG |
2354 | |
2355 | struct kmem_cache *iwl_tx_cmd_pool; | |
2356 | ||
5b9f8cd3 | 2357 | static int __init iwl_init(void) |
b481de9c ZY |
2358 | { |
2359 | ||
2360 | int ret; | |
c96c31e4 JP |
2361 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
2362 | pr_info(DRV_COPYRIGHT "\n"); | |
897e1cf2 | 2363 | |
354928dd SG |
2364 | iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", |
2365 | sizeof(struct iwl_device_cmd), | |
2366 | sizeof(void *), 0, NULL); | |
2367 | if (!iwl_tx_cmd_pool) | |
2368 | return -ENOMEM; | |
2369 | ||
e227ceac | 2370 | ret = iwlagn_rate_control_register(); |
897e1cf2 | 2371 | if (ret) { |
c96c31e4 | 2372 | pr_err("Unable to register rate control algorithm: %d\n", ret); |
354928dd | 2373 | goto error_rc_register; |
897e1cf2 RC |
2374 | } |
2375 | ||
48d1a211 | 2376 | ret = iwl_pci_register_driver(); |
48d1a211 | 2377 | if (ret) |
354928dd | 2378 | goto error_pci_register; |
b481de9c | 2379 | return ret; |
897e1cf2 | 2380 | |
354928dd | 2381 | error_pci_register: |
e227ceac | 2382 | iwlagn_rate_control_unregister(); |
354928dd SG |
2383 | error_rc_register: |
2384 | kmem_cache_destroy(iwl_tx_cmd_pool); | |
897e1cf2 | 2385 | return ret; |
b481de9c ZY |
2386 | } |
2387 | ||
5b9f8cd3 | 2388 | static void __exit iwl_exit(void) |
b481de9c | 2389 | { |
48d1a211 | 2390 | iwl_pci_unregister_driver(); |
e227ceac | 2391 | iwlagn_rate_control_unregister(); |
354928dd | 2392 | kmem_cache_destroy(iwl_tx_cmd_pool); |
b481de9c ZY |
2393 | } |
2394 | ||
5b9f8cd3 EG |
2395 | module_exit(iwl_exit); |
2396 | module_init(iwl_init); | |
a562a9dd RC |
2397 | |
2398 | #ifdef CONFIG_IWLWIFI_DEBUG | |
48f20d35 EG |
2399 | module_param_named(debug, iwlagn_mod_params.debug_level, uint, |
2400 | S_IRUGO | S_IWUSR); | |
a562a9dd RC |
2401 | MODULE_PARM_DESC(debug, "debug output mask"); |
2402 | #endif | |
2403 | ||
2b068618 WYG |
2404 | module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); |
2405 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
7428994d JB |
2406 | module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); |
2407 | MODULE_PARM_DESC(11n_disable, | |
2408 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); | |
2b068618 WYG |
2409 | module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, |
2410 | int, S_IRUGO); | |
2411 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
2b068618 WYG |
2412 | module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); |
2413 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
dd7a2509 | 2414 | |
48f20d35 EG |
2415 | module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, |
2416 | int, S_IRUGO); | |
bee008b7 WYG |
2417 | MODULE_PARM_DESC(antenna_coupling, |
2418 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
f37837c9 | 2419 | |
48f20d35 EG |
2420 | module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, |
2421 | bool, S_IRUGO); | |
9f28ebc3 | 2422 | MODULE_PARM_DESC(bt_ch_inhibition, |
fee84f0d | 2423 | "Enable BT channel inhibition (default: enable)"); |
b7977ffa SG |
2424 | |
2425 | module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); | |
2426 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
2427 | ||
9995ffe5 | 2428 | module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO); |
300d0834 | 2429 | MODULE_PARM_DESC(wd_disable, |
9995ffe5 WYG |
2430 | "Disable stuck queue watchdog timer 0=system default, " |
2431 | "1=disable, 2=enable (default: 0)"); | |
300d0834 | 2432 | |
b60eec9b WYG |
2433 | /* |
2434 | * set bt_coex_active to true, uCode will do kill/defer | |
2435 | * every time the priority line is asserted (BT is sending signals on the | |
2436 | * priority line in the PCIx). | |
2437 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
2438 | * perform the normal operation | |
2439 | * | |
2440 | * User might experience transmit issue on some platform due to WiFi/BT | |
2441 | * co-exist problem. The possible behaviors are: | |
2442 | * Able to scan and finding all the available AP | |
2443 | * Not able to associate with any AP | |
2444 | * On those platforms, WiFi communication can be restored by set | |
2445 | * "bt_coex_active" module parameter to "false" | |
2446 | * | |
2447 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
2448 | */ | |
2449 | module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, | |
2450 | bool, S_IRUGO); | |
2451 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
6b0184c4 WYG |
2452 | |
2453 | module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); | |
2454 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
42602dd4 | 2455 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); |
3f1e5f4a | 2456 | |
0172b029 WYG |
2457 | module_param_named(power_save, iwlagn_mod_params.power_save, |
2458 | bool, S_IRUGO); | |
2459 | MODULE_PARM_DESC(power_save, | |
2460 | "enable WiFi power management (default: disable)"); | |
2461 | ||
f7538168 WYG |
2462 | module_param_named(power_level, iwlagn_mod_params.power_level, |
2463 | int, S_IRUGO); | |
2464 | MODULE_PARM_DESC(power_level, | |
2465 | "default power save level (range from 1 - 5, default: 1)"); | |
2466 | ||
dd5b6d0a WYG |
2467 | module_param_named(auto_agg, iwlagn_mod_params.auto_agg, |
2468 | bool, S_IRUGO); | |
2469 | MODULE_PARM_DESC(auto_agg, | |
2470 | "enable agg w/o check traffic load (default: enable)"); |