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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: commands and events | |
3 | * | |
4 | * Copyright (C) 2011, Marvell International Ltd. | |
5 | * | |
6 | * This software file (the "File") is distributed by Marvell International | |
7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 | |
8 | * (the "License"). You may use, redistribute and/or modify this File in | |
9 | * accordance with the terms and conditions of the License, a copy of which | |
10 | * is available by writing to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the | |
12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. | |
13 | * | |
14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE | |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE | |
16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about | |
17 | * this warranty disclaimer. | |
18 | */ | |
19 | ||
20 | #include "decl.h" | |
21 | #include "ioctl.h" | |
22 | #include "util.h" | |
23 | #include "fw.h" | |
24 | #include "main.h" | |
25 | #include "wmm.h" | |
26 | #include "11n.h" | |
27 | ||
28 | /* | |
29 | * This function initializes a command node. | |
30 | * | |
31 | * The actual allocation of the node is not done by this function. It only | |
32 | * initiates a node by filling it with default parameters. Similarly, | |
33 | * allocation of the different buffers used (IOCTL buffer, data buffer) are | |
34 | * not done by this function either. | |
35 | */ | |
36 | static void | |
37 | mwifiex_init_cmd_node(struct mwifiex_private *priv, | |
38 | struct cmd_ctrl_node *cmd_node, | |
600f5d90 | 39 | u32 cmd_oid, void *data_buf) |
5e6e3a92 BZ |
40 | { |
41 | cmd_node->priv = priv; | |
42 | cmd_node->cmd_oid = cmd_oid; | |
600f5d90 AK |
43 | cmd_node->wait_q_enabled = priv->adapter->cmd_wait_q_required; |
44 | priv->adapter->cmd_wait_q_required = false; | |
5e6e3a92 BZ |
45 | cmd_node->data_buf = data_buf; |
46 | cmd_node->cmd_skb = cmd_node->skb; | |
47 | } | |
48 | ||
49 | /* | |
50 | * This function returns a command node from the free queue depending upon | |
51 | * availability. | |
52 | */ | |
53 | static struct cmd_ctrl_node * | |
54 | mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) | |
55 | { | |
56 | struct cmd_ctrl_node *cmd_node; | |
57 | unsigned long flags; | |
58 | ||
59 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
60 | if (list_empty(&adapter->cmd_free_q)) { | |
61 | dev_err(adapter->dev, "GET_CMD_NODE: cmd node not available\n"); | |
62 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
63 | return NULL; | |
64 | } | |
65 | cmd_node = list_first_entry(&adapter->cmd_free_q, | |
66 | struct cmd_ctrl_node, list); | |
67 | list_del(&cmd_node->list); | |
68 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
69 | ||
70 | return cmd_node; | |
71 | } | |
72 | ||
73 | /* | |
74 | * This function cleans up a command node. | |
75 | * | |
76 | * The function resets the fields including the buffer pointers. | |
77 | * This function does not try to free the buffers. They must be | |
78 | * freed before calling this function. | |
79 | * | |
80 | * This function will however call the receive completion callback | |
81 | * in case a response buffer is still available before resetting | |
82 | * the pointer. | |
83 | */ | |
84 | static void | |
85 | mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, | |
86 | struct cmd_ctrl_node *cmd_node) | |
87 | { | |
88 | cmd_node->cmd_oid = 0; | |
89 | cmd_node->cmd_flag = 0; | |
5e6e3a92 | 90 | cmd_node->data_buf = NULL; |
600f5d90 | 91 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
92 | |
93 | if (cmd_node->resp_skb) { | |
94 | mwifiex_recv_complete(adapter, cmd_node->resp_skb, 0); | |
95 | cmd_node->resp_skb = NULL; | |
96 | } | |
5e6e3a92 BZ |
97 | } |
98 | ||
5e6e3a92 BZ |
99 | /* |
100 | * This function sends a host command to the firmware. | |
101 | * | |
102 | * The function copies the host command into the driver command | |
103 | * buffer, which will be transferred to the firmware later by the | |
104 | * main thread. | |
105 | */ | |
106 | static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, | |
107 | struct host_cmd_ds_command *cmd, void *data_buf) | |
108 | { | |
109 | struct mwifiex_ds_misc_cmd *pcmd_ptr = | |
110 | (struct mwifiex_ds_misc_cmd *) data_buf; | |
111 | ||
112 | /* Copy the HOST command to command buffer */ | |
113 | memcpy((void *) cmd, pcmd_ptr->cmd, pcmd_ptr->len); | |
114 | dev_dbg(priv->adapter->dev, "cmd: host cmd size = %d\n", pcmd_ptr->len); | |
115 | return 0; | |
116 | } | |
117 | ||
118 | /* | |
119 | * This function downloads a command to the firmware. | |
120 | * | |
121 | * The function performs sanity tests, sets the command sequence | |
122 | * number and size, converts the header fields to CPU format before | |
123 | * sending. Afterwards, it logs the command ID and action for debugging | |
124 | * and sets up the command timeout timer. | |
125 | */ | |
126 | static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, | |
127 | struct cmd_ctrl_node *cmd_node) | |
128 | { | |
129 | ||
130 | struct mwifiex_adapter *adapter = priv->adapter; | |
270e58e8 | 131 | int ret; |
5e6e3a92 | 132 | struct host_cmd_ds_command *host_cmd; |
5e6e3a92 BZ |
133 | uint16_t cmd_code; |
134 | uint16_t cmd_size; | |
135 | struct timeval tstamp; | |
136 | unsigned long flags; | |
137 | ||
138 | if (!adapter || !cmd_node) | |
139 | return -1; | |
140 | ||
141 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
5e6e3a92 BZ |
142 | |
143 | /* Sanity test */ | |
144 | if (host_cmd == NULL || host_cmd->size == 0) { | |
145 | dev_err(adapter->dev, "DNLD_CMD: host_cmd is null" | |
146 | " or cmd size is 0, not sending\n"); | |
600f5d90 AK |
147 | if (cmd_node->wait_q_enabled) |
148 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
149 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
150 | return -1; | |
151 | } | |
152 | ||
153 | /* Set command sequence number */ | |
154 | adapter->seq_num++; | |
155 | host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO | |
156 | (adapter->seq_num, cmd_node->priv->bss_num, | |
157 | cmd_node->priv->bss_type)); | |
158 | ||
159 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
160 | adapter->curr_cmd = cmd_node; | |
161 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
162 | ||
163 | cmd_code = le16_to_cpu(host_cmd->command); | |
164 | cmd_size = le16_to_cpu(host_cmd->size); | |
165 | ||
166 | skb_trim(cmd_node->cmd_skb, cmd_size); | |
167 | ||
168 | do_gettimeofday(&tstamp); | |
169 | dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," | |
170 | " seqno %#x\n", | |
171 | tstamp.tv_sec, tstamp.tv_usec, cmd_code, | |
172 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, | |
173 | le16_to_cpu(host_cmd->seq_num)); | |
174 | ||
175 | skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
176 | ||
177 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
178 | cmd_node->cmd_skb->data, | |
179 | cmd_node->cmd_skb->len, NULL); | |
180 | ||
18bf9657 BZ |
181 | skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); |
182 | ||
5e6e3a92 BZ |
183 | if (ret == -1) { |
184 | dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); | |
600f5d90 AK |
185 | if (cmd_node->wait_q_enabled) |
186 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
187 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); |
188 | ||
189 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
190 | adapter->curr_cmd = NULL; | |
191 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
192 | ||
193 | adapter->dbg.num_cmd_host_to_card_failure++; | |
194 | return -1; | |
195 | } | |
196 | ||
197 | /* Save the last command id and action to debug log */ | |
198 | adapter->dbg.last_cmd_index = | |
199 | (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; | |
200 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; | |
201 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = | |
202 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); | |
203 | ||
204 | /* Clear BSS_NO_BITS from HostCmd */ | |
205 | cmd_code &= HostCmd_CMD_ID_MASK; | |
206 | ||
207 | /* Setup the timer after transmit command */ | |
208 | mod_timer(&adapter->cmd_timer, | |
209 | jiffies + (MWIFIEX_TIMER_10S * HZ) / 1000); | |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
214 | /* | |
215 | * This function downloads a sleep confirm command to the firmware. | |
216 | * | |
217 | * The function performs sanity tests, sets the command sequence | |
218 | * number and size, converts the header fields to CPU format before | |
219 | * sending. | |
220 | * | |
221 | * No responses are needed for sleep confirm command. | |
222 | */ | |
223 | static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) | |
224 | { | |
270e58e8 YAP |
225 | int ret; |
226 | u16 cmd_len; | |
5e6e3a92 BZ |
227 | struct mwifiex_private *priv; |
228 | struct mwifiex_opt_sleep_confirm_buffer *sleep_cfm_buf = | |
229 | (struct mwifiex_opt_sleep_confirm_buffer *) | |
230 | adapter->sleep_cfm->data; | |
231 | cmd_len = sizeof(struct mwifiex_opt_sleep_confirm); | |
232 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
233 | ||
234 | sleep_cfm_buf->ps_cfm_sleep.seq_num = | |
235 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO | |
236 | (adapter->seq_num, priv->bss_num, | |
237 | priv->bss_type))); | |
238 | adapter->seq_num++; | |
239 | ||
240 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
241 | adapter->sleep_cfm->data, | |
242 | adapter->sleep_cfm->len + | |
243 | INTF_HEADER_LEN, NULL); | |
244 | ||
245 | if (ret == -1) { | |
246 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
247 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
248 | return -1; | |
249 | } | |
250 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
251 | == MWIFIEX_BSS_ROLE_STA) { | |
2b06bdbe | 252 | if (!sleep_cfm_buf->ps_cfm_sleep.resp_ctrl) |
5e6e3a92 BZ |
253 | /* Response is not needed for sleep |
254 | confirm command */ | |
255 | adapter->ps_state = PS_STATE_SLEEP; | |
256 | else | |
257 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
258 | ||
2b06bdbe | 259 | if (!sleep_cfm_buf->ps_cfm_sleep.resp_ctrl |
5e6e3a92 BZ |
260 | && (adapter->is_hs_configured |
261 | && !adapter->sleep_period.period)) { | |
262 | adapter->pm_wakeup_card_req = true; | |
263 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
264 | MWIFIEX_BSS_ROLE_STA), true); | |
265 | } | |
266 | } | |
267 | ||
268 | return ret; | |
269 | } | |
270 | ||
271 | /* | |
272 | * This function allocates the command buffers and links them to | |
273 | * the command free queue. | |
274 | * | |
275 | * The driver uses a pre allocated number of command buffers, which | |
276 | * are created at driver initializations and freed at driver cleanup. | |
277 | * Every command needs to obtain a command buffer from this pool before | |
278 | * it can be issued. The command free queue lists the command buffers | |
279 | * currently free to use, while the command pending queue lists the | |
280 | * command buffers already in use and awaiting handling. Command buffers | |
281 | * are returned to the free queue after use. | |
282 | */ | |
283 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
284 | { | |
285 | struct cmd_ctrl_node *cmd_array; | |
286 | u32 buf_size; | |
287 | u32 i; | |
288 | ||
289 | /* Allocate and initialize struct cmd_ctrl_node */ | |
290 | buf_size = sizeof(struct cmd_ctrl_node) * MWIFIEX_NUM_OF_CMD_BUFFER; | |
291 | cmd_array = kzalloc(buf_size, GFP_KERNEL); | |
292 | if (!cmd_array) { | |
293 | dev_err(adapter->dev, "%s: failed to alloc cmd_array\n", | |
294 | __func__); | |
295 | return -1; | |
296 | } | |
297 | ||
298 | adapter->cmd_pool = cmd_array; | |
299 | memset(adapter->cmd_pool, 0, buf_size); | |
300 | ||
301 | /* Allocate and initialize command buffers */ | |
302 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
303 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
304 | if (!cmd_array[i].skb) { | |
305 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
306 | return -1; | |
307 | } | |
308 | } | |
309 | ||
310 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
311 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
312 | ||
313 | return 0; | |
314 | } | |
315 | ||
316 | /* | |
317 | * This function frees the command buffers. | |
318 | * | |
319 | * The function calls the completion callback for all the command | |
320 | * buffers that still have response buffers associated with them. | |
321 | */ | |
322 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
323 | { | |
324 | struct cmd_ctrl_node *cmd_array; | |
325 | u32 i; | |
326 | ||
327 | /* Need to check if cmd pool is allocated or not */ | |
328 | if (!adapter->cmd_pool) { | |
329 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
330 | return 0; | |
331 | } | |
332 | ||
333 | cmd_array = adapter->cmd_pool; | |
334 | ||
335 | /* Release shared memory buffers */ | |
336 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
337 | if (cmd_array[i].skb) { | |
338 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
339 | dev_kfree_skb_any(cmd_array[i].skb); | |
340 | } | |
341 | if (!cmd_array[i].resp_skb) | |
342 | continue; | |
343 | mwifiex_recv_complete(adapter, cmd_array[i].resp_skb, 0); | |
344 | } | |
345 | /* Release struct cmd_ctrl_node */ | |
346 | if (adapter->cmd_pool) { | |
347 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
348 | kfree(adapter->cmd_pool); | |
349 | adapter->cmd_pool = NULL; | |
350 | } | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | /* | |
356 | * This function handles events generated by firmware. | |
357 | * | |
358 | * Event body of events received from firmware are not used (though they are | |
359 | * saved), only the event ID is used. Some events are re-invoked by | |
360 | * the driver, with a new event body. | |
361 | * | |
362 | * After processing, the function calls the completion callback | |
363 | * for cleanup. | |
364 | */ | |
365 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
366 | { | |
270e58e8 | 367 | int ret; |
5e6e3a92 BZ |
368 | struct mwifiex_private *priv = |
369 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
370 | struct sk_buff *skb = adapter->event_skb; | |
371 | u32 eventcause = adapter->event_cause; | |
372 | struct timeval tstamp; | |
270e58e8 | 373 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
374 | |
375 | /* Save the last event to debug log */ | |
376 | adapter->dbg.last_event_index = | |
377 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; | |
378 | adapter->dbg.last_event[adapter->dbg.last_event_index] = | |
379 | (u16) eventcause; | |
380 | ||
381 | /* Get BSS number and corresponding priv */ | |
382 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
383 | EVENT_GET_BSS_TYPE(eventcause)); | |
384 | if (!priv) | |
385 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
386 | /* Clear BSS_NO_BITS from event */ | |
387 | eventcause &= EVENT_ID_MASK; | |
388 | adapter->event_cause = eventcause; | |
389 | ||
390 | if (skb) { | |
391 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
392 | rx_info->bss_index = priv->bss_index; | |
393 | } | |
394 | ||
395 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
396 | do_gettimeofday(&tstamp); | |
397 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
398 | tstamp.tv_sec, tstamp.tv_usec, eventcause); | |
399 | } | |
400 | ||
401 | ret = mwifiex_process_sta_event(priv); | |
402 | ||
403 | adapter->event_cause = 0; | |
404 | adapter->event_skb = NULL; | |
405 | ||
406 | mwifiex_recv_complete(adapter, skb, 0); | |
407 | ||
408 | return ret; | |
409 | } | |
410 | ||
411 | /* | |
600f5d90 AK |
412 | * This function is used to send synchronous command to the firmware. |
413 | * | |
414 | * it allocates a wait queue for the command and wait for the command | |
415 | * response. | |
416 | */ | |
417 | int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, | |
418 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
419 | { | |
420 | int ret = 0; | |
421 | struct mwifiex_adapter *adapter = priv->adapter; | |
422 | ||
423 | adapter->cmd_wait_q_required = true; | |
424 | adapter->cmd_wait_q.condition = false; | |
425 | ||
426 | ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, | |
427 | data_buf); | |
428 | if (!ret) | |
429 | ret = mwifiex_wait_queue_complete(adapter); | |
430 | ||
431 | return ret; | |
432 | } | |
433 | ||
434 | ||
435 | /* | |
436 | * This function prepares a command and asynchronously send it to the firmware. | |
5e6e3a92 BZ |
437 | * |
438 | * Preparation includes - | |
439 | * - Sanity tests to make sure the card is still present or the FW | |
440 | * is not reset | |
441 | * - Getting a new command node from the command free queue | |
442 | * - Initializing the command node for default parameters | |
443 | * - Fill up the non-default parameters and buffer pointers | |
444 | * - Add the command to pending queue | |
445 | */ | |
600f5d90 AK |
446 | int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, |
447 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
5e6e3a92 | 448 | { |
270e58e8 | 449 | int ret; |
5e6e3a92 | 450 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
451 | struct cmd_ctrl_node *cmd_node; |
452 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
453 | |
454 | if (!adapter) { | |
455 | pr_err("PREP_CMD: adapter is NULL\n"); | |
456 | return -1; | |
457 | } | |
458 | ||
459 | if (adapter->is_suspended) { | |
460 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
461 | return -1; | |
462 | } | |
463 | ||
464 | if (adapter->surprise_removed) { | |
465 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
466 | return -1; | |
467 | } | |
468 | ||
469 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { | |
470 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
471 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
472 | return -1; | |
473 | } | |
474 | } | |
475 | ||
476 | /* Get a new command node */ | |
477 | cmd_node = mwifiex_get_cmd_node(adapter); | |
478 | ||
479 | if (!cmd_node) { | |
480 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
481 | return -1; | |
482 | } | |
483 | ||
484 | /* Initialize the command node */ | |
600f5d90 | 485 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf); |
5e6e3a92 BZ |
486 | |
487 | if (!cmd_node->cmd_skb) { | |
488 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
489 | return -1; | |
490 | } | |
491 | ||
492 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
493 | 0, sizeof(struct host_cmd_ds_command)); | |
494 | ||
495 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
496 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
497 | cmd_ptr->result = 0; | |
498 | ||
499 | /* Prepare command */ | |
500 | if (cmd_no) { | |
501 | ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, | |
502 | cmd_oid, data_buf, cmd_ptr); | |
503 | } else { | |
504 | ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); | |
505 | cmd_node->cmd_flag |= CMD_F_HOSTCMD; | |
506 | } | |
507 | ||
508 | /* Return error, since the command preparation failed */ | |
509 | if (ret) { | |
510 | dev_err(adapter->dev, "PREP_CMD: cmd %#x preparation failed\n", | |
511 | cmd_no); | |
512 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
513 | return -1; | |
514 | } | |
515 | ||
516 | /* Send command */ | |
517 | if (cmd_no == HostCmd_CMD_802_11_SCAN) | |
518 | mwifiex_queue_scan_cmd(priv, cmd_node); | |
519 | else | |
520 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); | |
521 | ||
522 | return ret; | |
523 | } | |
524 | ||
525 | /* | |
526 | * This function returns a command to the command free queue. | |
527 | * | |
528 | * The function also calls the completion callback if required, before | |
529 | * cleaning the command node and re-inserting it into the free queue. | |
530 | */ | |
531 | void | |
532 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
533 | struct cmd_ctrl_node *cmd_node) | |
534 | { | |
5e6e3a92 BZ |
535 | unsigned long flags; |
536 | ||
19a89860 | 537 | if (!cmd_node) |
5e6e3a92 | 538 | return; |
600f5d90 AK |
539 | |
540 | if (cmd_node->wait_q_enabled) | |
541 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
542 | /* Clean the node */ |
543 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
544 | ||
545 | /* Insert node into cmd_free_q */ | |
546 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
547 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
548 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
549 | } |
550 | ||
551 | /* | |
552 | * This function queues a command to the command pending queue. | |
553 | * | |
554 | * This in effect adds the command to the command list to be executed. | |
555 | * Exit PS command is handled specially, by placing it always to the | |
556 | * front of the command queue. | |
557 | */ | |
558 | void | |
559 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
560 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
561 | { | |
562 | struct host_cmd_ds_command *host_cmd = NULL; | |
563 | u16 command; | |
564 | unsigned long flags; | |
565 | ||
566 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
567 | if (!host_cmd) { | |
568 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
569 | return; | |
570 | } | |
571 | ||
572 | command = le16_to_cpu(host_cmd->command); | |
573 | ||
574 | /* Exit_PS command needs to be queued in the header always. */ | |
575 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
576 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
577 | &host_cmd->params.psmode_enh; | |
578 | if ((le16_to_cpu(pm->action) == DIS_PS) | |
579 | || (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
580 | if (adapter->ps_state != PS_STATE_AWAKE) | |
581 | add_tail = false; | |
582 | } | |
583 | } | |
584 | ||
585 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
586 | if (add_tail) | |
587 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
588 | else | |
589 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
590 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
591 | ||
592 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command); | |
5e6e3a92 BZ |
593 | } |
594 | ||
595 | /* | |
596 | * This function executes the next command in command pending queue. | |
597 | * | |
598 | * This function will fail if a command is already in processing stage, | |
599 | * otherwise it will dequeue the first command from the command pending | |
600 | * queue and send to the firmware. | |
601 | * | |
602 | * If the device is currently in host sleep mode, any commands, except the | |
603 | * host sleep configuration command will de-activate the host sleep. For PS | |
604 | * mode, the function will put the firmware back to sleep if applicable. | |
605 | */ | |
606 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
607 | { | |
270e58e8 YAP |
608 | struct mwifiex_private *priv; |
609 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
610 | int ret = 0; |
611 | struct host_cmd_ds_command *host_cmd; | |
612 | unsigned long cmd_flags; | |
613 | unsigned long cmd_pending_q_flags; | |
614 | ||
615 | /* Check if already in processing */ | |
616 | if (adapter->curr_cmd) { | |
617 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
618 | return -1; | |
619 | } | |
620 | ||
621 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
622 | /* Check if any command is pending */ | |
623 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
624 | if (list_empty(&adapter->cmd_pending_q)) { | |
625 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
626 | cmd_pending_q_flags); | |
627 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
628 | return 0; | |
629 | } | |
630 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
631 | struct cmd_ctrl_node, list); | |
632 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
633 | cmd_pending_q_flags); | |
634 | ||
635 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
636 | priv = cmd_node->priv; | |
637 | ||
638 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
639 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
640 | " this should not happen\n", __func__); | |
641 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
642 | return ret; | |
643 | } | |
644 | ||
645 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
646 | list_del(&cmd_node->list); | |
647 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
648 | cmd_pending_q_flags); | |
649 | ||
650 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
651 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
652 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
653 | /* Any command sent to the firmware when host is in sleep | |
654 | * mode should de-configure host sleep. We should skip the | |
655 | * host sleep configuration command itself though | |
656 | */ | |
657 | if (priv && (host_cmd->command != | |
658 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
659 | if (adapter->hs_activated) { | |
660 | adapter->is_hs_configured = false; | |
661 | mwifiex_hs_activated_event(priv, false); | |
662 | } | |
663 | } | |
664 | ||
665 | return ret; | |
666 | } | |
667 | ||
668 | /* | |
669 | * This function handles the command response. | |
670 | * | |
671 | * After processing, the function cleans the command node and puts | |
672 | * it back to the command free queue. | |
673 | */ | |
674 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
675 | { | |
270e58e8 | 676 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
677 | struct mwifiex_private *priv = |
678 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
679 | int ret = 0; | |
680 | uint16_t orig_cmdresp_no; | |
681 | uint16_t cmdresp_no; | |
682 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
683 | struct timeval tstamp; |
684 | unsigned long flags; | |
685 | ||
686 | /* Now we got response from FW, cancel the command timer */ | |
687 | del_timer(&adapter->cmd_timer); | |
688 | ||
689 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
690 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
691 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
692 | le16_to_cpu(resp->command)); | |
693 | return -1; | |
694 | } | |
695 | ||
5e6e3a92 BZ |
696 | adapter->num_cmd_timeout = 0; |
697 | ||
698 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
699 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
700 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
701 | le16_to_cpu(resp->command)); | |
702 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
703 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
704 | adapter->curr_cmd = NULL; | |
705 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
706 | return -1; | |
707 | } | |
708 | ||
709 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
710 | /* Copy original response back to response buffer */ | |
711 | struct mwifiex_ds_misc_cmd *hostcmd = NULL; | |
712 | uint16_t size = le16_to_cpu(resp->size); | |
713 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
714 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
715 | if (adapter->curr_cmd->data_buf) { | |
716 | hostcmd = (struct mwifiex_ds_misc_cmd *) | |
717 | adapter->curr_cmd->data_buf; | |
718 | hostcmd->len = size; | |
719 | memcpy(hostcmd->cmd, (void *) resp, size); | |
720 | } | |
721 | } | |
722 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
723 | ||
724 | /* Get BSS number and corresponding priv */ | |
725 | priv = mwifiex_get_priv_by_id(adapter, | |
726 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), | |
727 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
728 | if (!priv) | |
729 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
730 | /* Clear RET_BIT from HostCmd */ | |
731 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
732 | ||
733 | cmdresp_no = le16_to_cpu(resp->command); | |
734 | cmdresp_result = le16_to_cpu(resp->result); | |
735 | ||
736 | /* Save the last command response to debug log */ | |
737 | adapter->dbg.last_cmd_resp_index = | |
738 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; | |
739 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = | |
740 | orig_cmdresp_no; | |
741 | ||
742 | do_gettimeofday(&tstamp); | |
743 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
744 | " len %d, seqno 0x%x\n", | |
745 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
746 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
747 | ||
748 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
749 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
750 | if (adapter->curr_cmd->wait_q_enabled) |
751 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
752 | |
753 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
754 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
755 | adapter->curr_cmd = NULL; | |
756 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
757 | return -1; | |
758 | } | |
759 | ||
760 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
761 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
762 | if ((cmdresp_result == HostCmd_RESULT_OK) | |
763 | && (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
764 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); | |
765 | } else { | |
766 | /* handle response */ | |
600f5d90 | 767 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
768 | } |
769 | ||
770 | /* Check init command response */ | |
771 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
772 | if (ret == -1) { | |
773 | dev_err(adapter->dev, "%s: cmd %#x failed during " | |
774 | "initialization\n", __func__, cmdresp_no); | |
775 | mwifiex_init_fw_complete(adapter); | |
776 | return -1; | |
777 | } else if (adapter->last_init_cmd == cmdresp_no) | |
778 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
779 | } | |
780 | ||
781 | if (adapter->curr_cmd) { | |
600f5d90 AK |
782 | if (adapter->curr_cmd->wait_q_enabled && (!ret)) |
783 | adapter->cmd_wait_q.status = 0; | |
784 | else if (adapter->curr_cmd->wait_q_enabled && (ret == -1)) | |
785 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
786 | |
787 | /* Clean up and put current command back to cmd_free_q */ | |
788 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
789 | ||
790 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
791 | adapter->curr_cmd = NULL; | |
792 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
793 | } | |
794 | ||
795 | return ret; | |
796 | } | |
797 | ||
798 | /* | |
799 | * This function handles the timeout of command sending. | |
800 | * | |
801 | * It will re-send the same command again. | |
802 | */ | |
803 | void | |
804 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
805 | { | |
806 | struct mwifiex_adapter *adapter = | |
807 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 808 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
809 | struct timeval tstamp; |
810 | ||
811 | adapter->num_cmd_timeout++; | |
812 | adapter->dbg.num_cmd_timeout++; | |
813 | if (!adapter->curr_cmd) { | |
814 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
815 | return; | |
816 | } | |
817 | cmd_node = adapter->curr_cmd; | |
600f5d90 AK |
818 | if (cmd_node->wait_q_enabled) |
819 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
5e6e3a92 BZ |
820 | |
821 | if (cmd_node) { | |
822 | adapter->dbg.timeout_cmd_id = | |
823 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
824 | adapter->dbg.timeout_cmd_act = | |
825 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
826 | do_gettimeofday(&tstamp); | |
827 | dev_err(adapter->dev, "%s: Timeout cmd id (%lu.%lu) = %#x," | |
828 | " act = %#x\n", __func__, | |
829 | tstamp.tv_sec, tstamp.tv_usec, | |
830 | adapter->dbg.timeout_cmd_id, | |
831 | adapter->dbg.timeout_cmd_act); | |
832 | ||
833 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
834 | adapter->dbg.num_tx_host_to_card_failure); | |
835 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", | |
836 | adapter->dbg.num_cmd_host_to_card_failure); | |
837 | ||
838 | dev_err(adapter->dev, "num_cmd_timeout = %d\n", | |
839 | adapter->dbg.num_cmd_timeout); | |
840 | dev_err(adapter->dev, "num_tx_timeout = %d\n", | |
841 | adapter->dbg.num_tx_timeout); | |
842 | ||
843 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
844 | adapter->dbg.last_cmd_index); | |
845 | print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET, | |
846 | adapter->dbg.last_cmd_id, DBG_CMD_NUM); | |
847 | print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET, | |
848 | adapter->dbg.last_cmd_act, DBG_CMD_NUM); | |
849 | ||
850 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
851 | adapter->dbg.last_cmd_resp_index); | |
852 | print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET, | |
853 | adapter->dbg.last_cmd_resp_id, DBG_CMD_NUM); | |
854 | ||
855 | dev_err(adapter->dev, "last_event_index = %d\n", | |
856 | adapter->dbg.last_event_index); | |
857 | print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET, | |
858 | adapter->dbg.last_event, DBG_CMD_NUM); | |
859 | ||
860 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
861 | adapter->data_sent, adapter->cmd_sent); | |
862 | ||
863 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
864 | adapter->ps_mode, adapter->ps_state); | |
865 | } | |
866 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
867 | mwifiex_init_fw_complete(adapter); | |
5e6e3a92 BZ |
868 | } |
869 | ||
870 | /* | |
871 | * This function cancels all the pending commands. | |
872 | * | |
873 | * The current command, all commands in command pending queue and all scan | |
874 | * commands in scan pending queue are cancelled. All the completion callbacks | |
875 | * are called with failure status to ensure cleanup. | |
876 | */ | |
877 | void | |
878 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
879 | { | |
270e58e8 | 880 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
5e6e3a92 BZ |
881 | unsigned long flags; |
882 | ||
883 | /* Cancel current cmd */ | |
600f5d90 | 884 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 | 885 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 886 | adapter->curr_cmd->wait_q_enabled = false; |
5e6e3a92 | 887 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 AK |
888 | adapter->cmd_wait_q.status = -1; |
889 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
890 | } |
891 | /* Cancel all pending command */ | |
892 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
893 | list_for_each_entry_safe(cmd_node, tmp_node, | |
894 | &adapter->cmd_pending_q, list) { | |
895 | list_del(&cmd_node->list); | |
896 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
897 | ||
600f5d90 AK |
898 | if (cmd_node->wait_q_enabled) { |
899 | adapter->cmd_wait_q.status = -1; | |
900 | mwifiex_complete_cmd(adapter); | |
901 | cmd_node->wait_q_enabled = false; | |
5e6e3a92 BZ |
902 | } |
903 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
904 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
905 | } | |
906 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
907 | ||
908 | /* Cancel all pending scan command */ | |
909 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
910 | list_for_each_entry_safe(cmd_node, tmp_node, | |
911 | &adapter->scan_pending_q, list) { | |
912 | list_del(&cmd_node->list); | |
913 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
914 | ||
600f5d90 | 915 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
916 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
917 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
918 | } | |
919 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
920 | ||
921 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
922 | adapter->scan_processing = false; | |
923 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
924 | } | |
925 | ||
926 | /* | |
927 | * This function cancels all pending commands that matches with | |
928 | * the given IOCTL request. | |
929 | * | |
930 | * Both the current command buffer and the pending command queue are | |
931 | * searched for matching IOCTL request. The completion callback of | |
932 | * the matched command is called with failure status to ensure cleanup. | |
933 | * In case of scan commands, all pending commands in scan pending queue | |
934 | * are cancelled. | |
935 | */ | |
936 | void | |
600f5d90 | 937 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
938 | { |
939 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
940 | unsigned long cmd_flags; | |
941 | unsigned long cmd_pending_q_flags; | |
942 | unsigned long scan_pending_q_flags; | |
943 | uint16_t cancel_scan_cmd = false; | |
944 | ||
945 | if ((adapter->curr_cmd) && | |
600f5d90 | 946 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
947 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
948 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 949 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 950 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
5e6e3a92 BZ |
951 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, |
952 | cmd_pending_q_flags); | |
953 | list_del(&cmd_node->list); | |
954 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
955 | cmd_pending_q_flags); | |
5e6e3a92 | 956 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
600f5d90 | 957 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 958 | } |
600f5d90 | 959 | |
5e6e3a92 BZ |
960 | /* Cancel all pending scan command */ |
961 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
962 | scan_pending_q_flags); | |
963 | list_for_each_entry_safe(cmd_node, tmp_node, | |
964 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
965 | list_del(&cmd_node->list); |
966 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
967 | scan_pending_q_flags); | |
968 | cmd_node->wait_q_enabled = false; | |
969 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
970 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
971 | scan_pending_q_flags); | |
972 | cancel_scan_cmd = true; | |
5e6e3a92 BZ |
973 | } |
974 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
975 | scan_pending_q_flags); | |
976 | ||
977 | if (cancel_scan_cmd) { | |
978 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
979 | adapter->scan_processing = false; | |
980 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
981 | } | |
600f5d90 AK |
982 | adapter->cmd_wait_q.status = -1; |
983 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
984 | } |
985 | ||
986 | /* | |
987 | * This function sends the sleep confirm command to firmware, if | |
988 | * possible. | |
989 | * | |
990 | * The sleep confirm command cannot be issued if command response, | |
991 | * data response or event response is awaiting handling, or if we | |
992 | * are in the middle of sending a command, or expecting a command | |
993 | * response. | |
994 | */ | |
995 | void | |
996 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
997 | { | |
998 | if (!adapter->cmd_sent && | |
999 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
1000 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
1001 | else | |
1002 | dev_dbg(adapter->dev, | |
1003 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
1004 | (adapter->cmd_sent) ? "D" : "", | |
1005 | (adapter->curr_cmd) ? "C" : "", | |
1006 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
1007 | } | |
1008 | ||
1009 | /* | |
1010 | * This function sends a Host Sleep activated event to applications. | |
1011 | * | |
1012 | * This event is generated by the driver, with a blank event body. | |
1013 | */ | |
1014 | void | |
1015 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1016 | { | |
1017 | if (activated) { | |
1018 | if (priv->adapter->is_hs_configured) { | |
1019 | priv->adapter->hs_activated = true; | |
1020 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); | |
1021 | priv->adapter->hs_activate_wait_q_woken = true; | |
1022 | wake_up_interruptible( | |
1023 | &priv->adapter->hs_activate_wait_q); | |
1024 | } else { | |
1025 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1026 | } | |
1027 | } else { | |
1028 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1029 | priv->adapter->hs_activated = false; | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | /* | |
1034 | * This function handles the command response of a Host Sleep configuration | |
1035 | * command. | |
1036 | * | |
1037 | * Handling includes changing the header fields into CPU format | |
1038 | * and setting the current host sleep activation status in driver. | |
1039 | * | |
1040 | * In case host sleep status change, the function generates an event to | |
1041 | * notify the applications. | |
1042 | */ | |
1043 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1044 | struct host_cmd_ds_command *resp) | |
1045 | { | |
1046 | struct mwifiex_adapter *adapter = priv->adapter; | |
1047 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1048 | &resp->params.opt_hs_cfg; | |
1049 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1050 | ||
1051 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE)) { | |
1052 | mwifiex_hs_activated_event(priv, true); | |
1053 | return 0; | |
1054 | } else { | |
1055 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1056 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1057 | resp->result, conditions, | |
1058 | phs_cfg->params.hs_config.gpio, | |
1059 | phs_cfg->params.hs_config.gap); | |
1060 | } | |
1061 | if (conditions != HOST_SLEEP_CFG_CANCEL) { | |
1062 | adapter->is_hs_configured = true; | |
1063 | } else { | |
1064 | adapter->is_hs_configured = false; | |
1065 | if (adapter->hs_activated) | |
1066 | mwifiex_hs_activated_event(priv, false); | |
1067 | } | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * This function wakes up the adapter and generates a Host Sleep | |
1074 | * cancel event on receiving the power up interrupt. | |
1075 | */ | |
1076 | void | |
1077 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1078 | { | |
1079 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1080 | " since there is interrupt from the firmware\n", __func__); | |
1081 | ||
1082 | adapter->if_ops.wakeup(adapter); | |
1083 | adapter->hs_activated = false; | |
1084 | adapter->is_hs_configured = false; | |
1085 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
1086 | MWIFIEX_BSS_ROLE_ANY), false); | |
5e6e3a92 BZ |
1087 | } |
1088 | ||
1089 | /* | |
1090 | * This function handles the command response of a sleep confirm command. | |
1091 | * | |
1092 | * The function sets the card state to SLEEP if the response indicates success. | |
1093 | */ | |
1094 | void | |
1095 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1096 | u8 *pbuf, u32 upld_len) | |
1097 | { | |
1098 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1099 | struct mwifiex_private *priv = | |
1100 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1101 | uint16_t result = le16_to_cpu(cmd->result); | |
1102 | uint16_t command = le16_to_cpu(cmd->command); | |
1103 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1104 | ||
1105 | if (!upld_len) { | |
1106 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1107 | return; | |
1108 | } | |
1109 | ||
1110 | /* Get BSS number and corresponding priv */ | |
1111 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1112 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1113 | if (!priv) | |
1114 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1115 | ||
1116 | /* Update sequence number */ | |
1117 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1118 | /* Clear RET_BIT from HostCmd */ | |
1119 | command &= HostCmd_CMD_ID_MASK; | |
1120 | ||
1121 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
1122 | dev_err(adapter->dev, "%s: received unexpected response for" | |
1123 | " cmd %x, result = %x\n", __func__, command, result); | |
1124 | return; | |
1125 | } | |
1126 | ||
1127 | if (result) { | |
1128 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
1129 | __func__); | |
1130 | adapter->pm_wakeup_card_req = false; | |
1131 | adapter->ps_state = PS_STATE_AWAKE; | |
1132 | return; | |
1133 | } | |
1134 | adapter->pm_wakeup_card_req = true; | |
1135 | if (adapter->is_hs_configured) | |
1136 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
1137 | MWIFIEX_BSS_ROLE_ANY), true); | |
1138 | adapter->ps_state = PS_STATE_SLEEP; | |
1139 | cmd->command = cpu_to_le16(command); | |
1140 | cmd->seq_num = cpu_to_le16(seq_num); | |
1141 | } | |
1142 | EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); | |
1143 | ||
1144 | /* | |
1145 | * This function prepares an enhanced power mode command. | |
1146 | * | |
1147 | * This function can be used to disable power save or to configure | |
1148 | * power save with auto PS or STA PS or auto deep sleep. | |
1149 | * | |
1150 | * Preparation includes - | |
1151 | * - Setting command ID, action and proper size | |
1152 | * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, | |
1153 | * auto deep sleep TLV (as required) | |
1154 | * - Ensuring correct endian-ness | |
1155 | */ | |
1156 | int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, | |
1157 | struct host_cmd_ds_command *cmd, | |
1158 | u16 cmd_action, uint16_t ps_bitmap, | |
1159 | void *data_buf) | |
1160 | { | |
1161 | struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = | |
1162 | &cmd->params.psmode_enh; | |
270e58e8 | 1163 | u8 *tlv; |
5e6e3a92 BZ |
1164 | u16 cmd_size = 0; |
1165 | ||
1166 | cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
1167 | if (cmd_action == DIS_AUTO_PS) { | |
1168 | psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); | |
1169 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe MY |
1170 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
1171 | sizeof(psmode_enh->params.ps_bitmap)); | |
5e6e3a92 BZ |
1172 | } else if (cmd_action == GET_PS) { |
1173 | psmode_enh->action = cpu_to_le16(GET_PS); | |
1174 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe MY |
1175 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
1176 | sizeof(psmode_enh->params.ps_bitmap)); | |
5e6e3a92 BZ |
1177 | } else if (cmd_action == EN_AUTO_PS) { |
1178 | psmode_enh->action = cpu_to_le16(EN_AUTO_PS); | |
2b06bdbe MY |
1179 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); |
1180 | cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + | |
1181 | sizeof(psmode_enh->params.ps_bitmap); | |
5e6e3a92 BZ |
1182 | tlv = (u8 *) cmd + cmd_size; |
1183 | if (ps_bitmap & BITMAP_STA_PS) { | |
1184 | struct mwifiex_adapter *adapter = priv->adapter; | |
1185 | struct mwifiex_ie_types_ps_param *ps_tlv = | |
1186 | (struct mwifiex_ie_types_ps_param *) tlv; | |
1187 | struct mwifiex_ps_param *ps_mode = &ps_tlv->param; | |
1188 | ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); | |
1189 | ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - | |
1190 | sizeof(struct mwifiex_ie_types_header)); | |
1191 | cmd_size += sizeof(*ps_tlv); | |
1192 | tlv += sizeof(*ps_tlv); | |
1193 | dev_dbg(adapter->dev, "cmd: PS Command: Enter PS\n"); | |
1194 | ps_mode->null_pkt_interval = | |
1195 | cpu_to_le16(adapter->null_pkt_interval); | |
1196 | ps_mode->multiple_dtims = | |
1197 | cpu_to_le16(adapter->multiple_dtim); | |
1198 | ps_mode->bcn_miss_timeout = | |
1199 | cpu_to_le16(adapter->bcn_miss_time_out); | |
1200 | ps_mode->local_listen_interval = | |
1201 | cpu_to_le16(adapter->local_listen_interval); | |
1202 | ps_mode->adhoc_wake_period = | |
1203 | cpu_to_le16(adapter->adhoc_awake_period); | |
1204 | ps_mode->delay_to_ps = | |
1205 | cpu_to_le16(adapter->delay_to_ps); | |
1206 | ps_mode->mode = | |
1207 | cpu_to_le16(adapter->enhanced_ps_mode); | |
1208 | ||
1209 | } | |
1210 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
2b06bdbe | 1211 | struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = |
5e6e3a92 | 1212 | (struct mwifiex_ie_types_auto_ds_param *) tlv; |
5e6e3a92 | 1213 | u16 idletime = 0; |
2b06bdbe MY |
1214 | |
1215 | auto_ds_tlv->header.type = | |
5e6e3a92 | 1216 | cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); |
2b06bdbe MY |
1217 | auto_ds_tlv->header.len = |
1218 | cpu_to_le16(sizeof(*auto_ds_tlv) - | |
5e6e3a92 | 1219 | sizeof(struct mwifiex_ie_types_header)); |
2b06bdbe MY |
1220 | cmd_size += sizeof(*auto_ds_tlv); |
1221 | tlv += sizeof(*auto_ds_tlv); | |
5e6e3a92 BZ |
1222 | if (data_buf) |
1223 | idletime = ((struct mwifiex_ds_auto_ds *) | |
1224 | data_buf)->idle_time; | |
1225 | dev_dbg(priv->adapter->dev, | |
1226 | "cmd: PS Command: Enter Auto Deep Sleep\n"); | |
2b06bdbe | 1227 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1228 | } |
1229 | cmd->size = cpu_to_le16(cmd_size); | |
1230 | } | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | /* | |
1235 | * This function handles the command response of an enhanced power mode | |
1236 | * command. | |
1237 | * | |
1238 | * Handling includes changing the header fields into CPU format | |
1239 | * and setting the current enhanced power mode in driver. | |
1240 | */ | |
1241 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1242 | struct host_cmd_ds_command *resp, | |
1243 | void *data_buf) | |
1244 | { | |
1245 | struct mwifiex_adapter *adapter = priv->adapter; | |
1246 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1247 | &resp->params.psmode_enh; | |
1248 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1249 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1250 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1251 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 BZ |
1252 | |
1253 | dev_dbg(adapter->dev, "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1254 | __func__, resp->result, action); | |
1255 | if (action == EN_AUTO_PS) { | |
1256 | if (auto_ps_bitmap & BITMAP_AUTO_DS) { | |
1257 | dev_dbg(adapter->dev, "cmd: Enabled auto deep sleep\n"); | |
1258 | priv->adapter->is_deep_sleep = true; | |
1259 | } | |
1260 | if (auto_ps_bitmap & BITMAP_STA_PS) { | |
1261 | dev_dbg(adapter->dev, "cmd: Enabled STA power save\n"); | |
1262 | if (adapter->sleep_period.period) | |
1263 | dev_dbg(adapter->dev, "cmd: set to uapsd/pps mode\n"); | |
1264 | } | |
1265 | } else if (action == DIS_AUTO_PS) { | |
1266 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
1267 | priv->adapter->is_deep_sleep = false; | |
1268 | dev_dbg(adapter->dev, "cmd: Disabled auto deep sleep\n"); | |
1269 | } | |
1270 | if (ps_bitmap & BITMAP_STA_PS) { | |
1271 | dev_dbg(adapter->dev, "cmd: Disabled STA power save\n"); | |
1272 | if (adapter->sleep_period.period) { | |
1273 | adapter->delay_null_pkt = false; | |
1274 | adapter->tx_lock_flag = false; | |
1275 | adapter->pps_uapsd_mode = false; | |
1276 | } | |
1277 | } | |
1278 | } else if (action == GET_PS) { | |
2b06bdbe | 1279 | if (ps_bitmap & BITMAP_STA_PS) |
5e6e3a92 BZ |
1280 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
1281 | else | |
1282 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
1283 | ||
1284 | dev_dbg(adapter->dev, "cmd: ps_bitmap=%#x\n", ps_bitmap); | |
1285 | ||
1286 | if (data_buf) { | |
1287 | /* This section is for get power save mode */ | |
1288 | struct mwifiex_ds_pm_cfg *pm_cfg = | |
1289 | (struct mwifiex_ds_pm_cfg *)data_buf; | |
1290 | if (ps_bitmap & BITMAP_STA_PS) | |
1291 | pm_cfg->param.ps_mode = 1; | |
1292 | else | |
1293 | pm_cfg->param.ps_mode = 0; | |
1294 | } | |
1295 | } | |
1296 | return 0; | |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * This function prepares command to get hardware specifications. | |
1301 | * | |
1302 | * Preparation includes - | |
1303 | * - Setting command ID, action and proper size | |
1304 | * - Setting permanent address parameter | |
1305 | * - Ensuring correct endian-ness | |
1306 | */ | |
1307 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1308 | struct host_cmd_ds_command *cmd) | |
1309 | { | |
1310 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1311 | ||
1312 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1313 | cmd->size = | |
1314 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1315 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1316 | ||
1317 | return 0; | |
1318 | } | |
1319 | ||
1320 | /* | |
1321 | * This function handles the command response of get hardware | |
1322 | * specifications. | |
1323 | * | |
1324 | * Handling includes changing the header fields into CPU format | |
1325 | * and saving/updating the following parameters in driver - | |
1326 | * - Firmware capability information | |
1327 | * - Firmware band settings | |
1328 | * - Ad-hoc start band and channel | |
1329 | * - Ad-hoc 11n activation status | |
1330 | * - Firmware release number | |
1331 | * - Number of antennas | |
1332 | * - Hardware address | |
1333 | * - Hardware interface version | |
1334 | * - Firmware version | |
1335 | * - Region code | |
1336 | * - 11n capabilities | |
1337 | * - MCS support fields | |
1338 | * - MP end port | |
1339 | */ | |
1340 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1341 | struct host_cmd_ds_command *resp) | |
1342 | { | |
1343 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1344 | struct mwifiex_adapter *adapter = priv->adapter; | |
1345 | int i; | |
1346 | ||
1347 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1348 | ||
1349 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1350 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1351 | else | |
1352 | adapter->fw_bands = BAND_B; | |
1353 | ||
1354 | adapter->config_bands = adapter->fw_bands; | |
1355 | ||
1356 | if (adapter->fw_bands & BAND_A) { | |
1357 | if (adapter->fw_bands & BAND_GN) { | |
1358 | adapter->config_bands |= BAND_AN; | |
1359 | adapter->fw_bands |= BAND_AN; | |
1360 | } | |
1361 | if (adapter->fw_bands & BAND_AN) { | |
1362 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1363 | adapter->adhoc_11n_enabled = true; | |
1364 | } else { | |
1365 | adapter->adhoc_start_band = BAND_A; | |
1366 | } | |
1367 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1368 | } else if (adapter->fw_bands & BAND_GN) { | |
1369 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1370 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1371 | adapter->adhoc_11n_enabled = true; | |
1372 | } else if (adapter->fw_bands & BAND_G) { | |
1373 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1374 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1375 | } else if (adapter->fw_bands & BAND_B) { | |
1376 | adapter->adhoc_start_band = BAND_B; | |
1377 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1378 | } | |
1379 | ||
1380 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
1381 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); | |
1382 | ||
1383 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", | |
1384 | adapter->fw_release_number); | |
1385 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", | |
1386 | hw_spec->permanent_addr); | |
1387 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
1388 | le16_to_cpu(hw_spec->hw_if_version), | |
1389 | le16_to_cpu(hw_spec->version)); | |
1390 | ||
1391 | if (priv->curr_addr[0] == 0xff) | |
1392 | memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); | |
1393 | ||
1394 | adapter->region_code = le16_to_cpu(hw_spec->region_code); | |
1395 | ||
1396 | for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) | |
1397 | /* Use the region code to search for the index */ | |
1398 | if (adapter->region_code == region_code_index[i]) | |
1399 | break; | |
1400 | ||
1401 | /* If it's unidentified region code, use the default (USA) */ | |
1402 | if (i >= MWIFIEX_MAX_REGION_CODE) { | |
1403 | adapter->region_code = 0x10; | |
1404 | dev_dbg(adapter->dev, "cmd: unknown region code, use default (USA)\n"); | |
1405 | } | |
1406 | ||
1407 | adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); | |
5e6e3a92 | 1408 | adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; |
5e6e3a92 BZ |
1409 | |
1410 | if (adapter->if_ops.update_mp_end_port) | |
1411 | adapter->if_ops.update_mp_end_port(adapter, | |
1412 | le16_to_cpu(hw_spec->mp_end_port)); | |
1413 | ||
1414 | return 0; | |
1415 | } |