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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) { | |
406a39ec | 94 | dev_kfree_skb_any(cmd_node->resp_skb); |
5e6e3a92 BZ |
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 | 225 | int ret; |
5e6e3a92 | 226 | struct mwifiex_private *priv; |
7cc5eb62 AK |
227 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = |
228 | (struct mwifiex_opt_sleep_confirm *) | |
5e6e3a92 | 229 | adapter->sleep_cfm->data; |
5e6e3a92 BZ |
230 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
231 | ||
7cc5eb62 | 232 | sleep_cfm_buf->seq_num = |
5e6e3a92 BZ |
233 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO |
234 | (adapter->seq_num, priv->bss_num, | |
235 | priv->bss_type))); | |
236 | adapter->seq_num++; | |
237 | ||
7cc5eb62 | 238 | skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); |
5e6e3a92 BZ |
239 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, |
240 | adapter->sleep_cfm->data, | |
7cc5eb62 AK |
241 | adapter->sleep_cfm->len, NULL); |
242 | skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); | |
5e6e3a92 BZ |
243 | |
244 | if (ret == -1) { | |
245 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
246 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
247 | return -1; | |
248 | } | |
249 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
250 | == MWIFIEX_BSS_ROLE_STA) { | |
7cc5eb62 | 251 | if (!sleep_cfm_buf->resp_ctrl) |
5e6e3a92 BZ |
252 | /* Response is not needed for sleep |
253 | confirm command */ | |
254 | adapter->ps_state = PS_STATE_SLEEP; | |
255 | else | |
256 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
257 | ||
7cc5eb62 | 258 | if (!sleep_cfm_buf->resp_ctrl |
5e6e3a92 BZ |
259 | && (adapter->is_hs_configured |
260 | && !adapter->sleep_period.period)) { | |
261 | adapter->pm_wakeup_card_req = true; | |
262 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
263 | MWIFIEX_BSS_ROLE_STA), true); | |
264 | } | |
265 | } | |
266 | ||
267 | return ret; | |
268 | } | |
269 | ||
270 | /* | |
271 | * This function allocates the command buffers and links them to | |
272 | * the command free queue. | |
273 | * | |
274 | * The driver uses a pre allocated number of command buffers, which | |
275 | * are created at driver initializations and freed at driver cleanup. | |
276 | * Every command needs to obtain a command buffer from this pool before | |
277 | * it can be issued. The command free queue lists the command buffers | |
278 | * currently free to use, while the command pending queue lists the | |
279 | * command buffers already in use and awaiting handling. Command buffers | |
280 | * are returned to the free queue after use. | |
281 | */ | |
282 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
283 | { | |
284 | struct cmd_ctrl_node *cmd_array; | |
285 | u32 buf_size; | |
286 | u32 i; | |
287 | ||
288 | /* Allocate and initialize struct cmd_ctrl_node */ | |
289 | buf_size = sizeof(struct cmd_ctrl_node) * MWIFIEX_NUM_OF_CMD_BUFFER; | |
290 | cmd_array = kzalloc(buf_size, GFP_KERNEL); | |
291 | if (!cmd_array) { | |
292 | dev_err(adapter->dev, "%s: failed to alloc cmd_array\n", | |
293 | __func__); | |
b53575ec | 294 | return -ENOMEM; |
5e6e3a92 BZ |
295 | } |
296 | ||
297 | adapter->cmd_pool = cmd_array; | |
298 | memset(adapter->cmd_pool, 0, buf_size); | |
299 | ||
300 | /* Allocate and initialize command buffers */ | |
301 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
302 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
303 | if (!cmd_array[i].skb) { | |
304 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
305 | return -1; | |
306 | } | |
307 | } | |
308 | ||
309 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
310 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
311 | ||
312 | return 0; | |
313 | } | |
314 | ||
315 | /* | |
316 | * This function frees the command buffers. | |
317 | * | |
318 | * The function calls the completion callback for all the command | |
319 | * buffers that still have response buffers associated with them. | |
320 | */ | |
321 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
322 | { | |
323 | struct cmd_ctrl_node *cmd_array; | |
324 | u32 i; | |
325 | ||
326 | /* Need to check if cmd pool is allocated or not */ | |
327 | if (!adapter->cmd_pool) { | |
328 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
329 | return 0; | |
330 | } | |
331 | ||
332 | cmd_array = adapter->cmd_pool; | |
333 | ||
334 | /* Release shared memory buffers */ | |
335 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
336 | if (cmd_array[i].skb) { | |
337 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
338 | dev_kfree_skb_any(cmd_array[i].skb); | |
339 | } | |
340 | if (!cmd_array[i].resp_skb) | |
341 | continue; | |
406a39ec | 342 | dev_kfree_skb_any(cmd_array[i].resp_skb); |
5e6e3a92 BZ |
343 | } |
344 | /* Release struct cmd_ctrl_node */ | |
345 | if (adapter->cmd_pool) { | |
346 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
347 | kfree(adapter->cmd_pool); | |
348 | adapter->cmd_pool = NULL; | |
349 | } | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | /* | |
355 | * This function handles events generated by firmware. | |
356 | * | |
357 | * Event body of events received from firmware are not used (though they are | |
358 | * saved), only the event ID is used. Some events are re-invoked by | |
359 | * the driver, with a new event body. | |
360 | * | |
361 | * After processing, the function calls the completion callback | |
362 | * for cleanup. | |
363 | */ | |
364 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
365 | { | |
270e58e8 | 366 | int ret; |
5e6e3a92 BZ |
367 | struct mwifiex_private *priv = |
368 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
369 | struct sk_buff *skb = adapter->event_skb; | |
370 | u32 eventcause = adapter->event_cause; | |
371 | struct timeval tstamp; | |
270e58e8 | 372 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
373 | |
374 | /* Save the last event to debug log */ | |
375 | adapter->dbg.last_event_index = | |
376 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; | |
377 | adapter->dbg.last_event[adapter->dbg.last_event_index] = | |
378 | (u16) eventcause; | |
379 | ||
380 | /* Get BSS number and corresponding priv */ | |
381 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
382 | EVENT_GET_BSS_TYPE(eventcause)); | |
383 | if (!priv) | |
384 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
385 | /* Clear BSS_NO_BITS from event */ | |
386 | eventcause &= EVENT_ID_MASK; | |
387 | adapter->event_cause = eventcause; | |
388 | ||
389 | if (skb) { | |
390 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
391 | rx_info->bss_index = priv->bss_index; | |
392 | } | |
393 | ||
394 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
395 | do_gettimeofday(&tstamp); | |
396 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
397 | tstamp.tv_sec, tstamp.tv_usec, eventcause); | |
398 | } | |
399 | ||
400 | ret = mwifiex_process_sta_event(priv); | |
401 | ||
402 | adapter->event_cause = 0; | |
403 | adapter->event_skb = NULL; | |
404 | ||
406a39ec | 405 | dev_kfree_skb_any(skb); |
5e6e3a92 BZ |
406 | |
407 | return ret; | |
408 | } | |
409 | ||
410 | /* | |
600f5d90 AK |
411 | * This function is used to send synchronous command to the firmware. |
412 | * | |
413 | * it allocates a wait queue for the command and wait for the command | |
414 | * response. | |
415 | */ | |
416 | int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, | |
417 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
418 | { | |
419 | int ret = 0; | |
420 | struct mwifiex_adapter *adapter = priv->adapter; | |
421 | ||
422 | adapter->cmd_wait_q_required = true; | |
423 | adapter->cmd_wait_q.condition = false; | |
424 | ||
425 | ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, | |
426 | data_buf); | |
427 | if (!ret) | |
428 | ret = mwifiex_wait_queue_complete(adapter); | |
429 | ||
430 | return ret; | |
431 | } | |
432 | ||
433 | ||
434 | /* | |
435 | * This function prepares a command and asynchronously send it to the firmware. | |
5e6e3a92 BZ |
436 | * |
437 | * Preparation includes - | |
438 | * - Sanity tests to make sure the card is still present or the FW | |
439 | * is not reset | |
440 | * - Getting a new command node from the command free queue | |
441 | * - Initializing the command node for default parameters | |
442 | * - Fill up the non-default parameters and buffer pointers | |
443 | * - Add the command to pending queue | |
444 | */ | |
600f5d90 AK |
445 | int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, |
446 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
5e6e3a92 | 447 | { |
270e58e8 | 448 | int ret; |
5e6e3a92 | 449 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
450 | struct cmd_ctrl_node *cmd_node; |
451 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
452 | |
453 | if (!adapter) { | |
454 | pr_err("PREP_CMD: adapter is NULL\n"); | |
455 | return -1; | |
456 | } | |
457 | ||
458 | if (adapter->is_suspended) { | |
459 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
460 | return -1; | |
461 | } | |
462 | ||
463 | if (adapter->surprise_removed) { | |
464 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
465 | return -1; | |
466 | } | |
467 | ||
468 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { | |
469 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
470 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
471 | return -1; | |
472 | } | |
473 | } | |
474 | ||
475 | /* Get a new command node */ | |
476 | cmd_node = mwifiex_get_cmd_node(adapter); | |
477 | ||
478 | if (!cmd_node) { | |
479 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
480 | return -1; | |
481 | } | |
482 | ||
483 | /* Initialize the command node */ | |
600f5d90 | 484 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf); |
5e6e3a92 BZ |
485 | |
486 | if (!cmd_node->cmd_skb) { | |
487 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
488 | return -1; | |
489 | } | |
490 | ||
491 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
492 | 0, sizeof(struct host_cmd_ds_command)); | |
493 | ||
494 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
495 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
496 | cmd_ptr->result = 0; | |
497 | ||
498 | /* Prepare command */ | |
499 | if (cmd_no) { | |
500 | ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, | |
501 | cmd_oid, data_buf, cmd_ptr); | |
502 | } else { | |
503 | ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); | |
504 | cmd_node->cmd_flag |= CMD_F_HOSTCMD; | |
505 | } | |
506 | ||
507 | /* Return error, since the command preparation failed */ | |
508 | if (ret) { | |
509 | dev_err(adapter->dev, "PREP_CMD: cmd %#x preparation failed\n", | |
510 | cmd_no); | |
511 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
512 | return -1; | |
513 | } | |
514 | ||
515 | /* Send command */ | |
516 | if (cmd_no == HostCmd_CMD_802_11_SCAN) | |
517 | mwifiex_queue_scan_cmd(priv, cmd_node); | |
518 | else | |
519 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); | |
520 | ||
521 | return ret; | |
522 | } | |
523 | ||
524 | /* | |
525 | * This function returns a command to the command free queue. | |
526 | * | |
527 | * The function also calls the completion callback if required, before | |
528 | * cleaning the command node and re-inserting it into the free queue. | |
529 | */ | |
530 | void | |
531 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
532 | struct cmd_ctrl_node *cmd_node) | |
533 | { | |
5e6e3a92 BZ |
534 | unsigned long flags; |
535 | ||
19a89860 | 536 | if (!cmd_node) |
5e6e3a92 | 537 | return; |
600f5d90 AK |
538 | |
539 | if (cmd_node->wait_q_enabled) | |
540 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
541 | /* Clean the node */ |
542 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
543 | ||
544 | /* Insert node into cmd_free_q */ | |
545 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
546 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
547 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
548 | } |
549 | ||
550 | /* | |
551 | * This function queues a command to the command pending queue. | |
552 | * | |
553 | * This in effect adds the command to the command list to be executed. | |
554 | * Exit PS command is handled specially, by placing it always to the | |
555 | * front of the command queue. | |
556 | */ | |
557 | void | |
558 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
559 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
560 | { | |
561 | struct host_cmd_ds_command *host_cmd = NULL; | |
562 | u16 command; | |
563 | unsigned long flags; | |
564 | ||
565 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
566 | if (!host_cmd) { | |
567 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
568 | return; | |
569 | } | |
570 | ||
571 | command = le16_to_cpu(host_cmd->command); | |
572 | ||
573 | /* Exit_PS command needs to be queued in the header always. */ | |
574 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
575 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
576 | &host_cmd->params.psmode_enh; | |
577 | if ((le16_to_cpu(pm->action) == DIS_PS) | |
578 | || (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
579 | if (adapter->ps_state != PS_STATE_AWAKE) | |
580 | add_tail = false; | |
581 | } | |
582 | } | |
583 | ||
584 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
585 | if (add_tail) | |
586 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
587 | else | |
588 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
589 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
590 | ||
591 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command); | |
5e6e3a92 BZ |
592 | } |
593 | ||
594 | /* | |
595 | * This function executes the next command in command pending queue. | |
596 | * | |
597 | * This function will fail if a command is already in processing stage, | |
598 | * otherwise it will dequeue the first command from the command pending | |
599 | * queue and send to the firmware. | |
600 | * | |
601 | * If the device is currently in host sleep mode, any commands, except the | |
602 | * host sleep configuration command will de-activate the host sleep. For PS | |
603 | * mode, the function will put the firmware back to sleep if applicable. | |
604 | */ | |
605 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
606 | { | |
270e58e8 YAP |
607 | struct mwifiex_private *priv; |
608 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
609 | int ret = 0; |
610 | struct host_cmd_ds_command *host_cmd; | |
611 | unsigned long cmd_flags; | |
612 | unsigned long cmd_pending_q_flags; | |
613 | ||
614 | /* Check if already in processing */ | |
615 | if (adapter->curr_cmd) { | |
616 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
617 | return -1; | |
618 | } | |
619 | ||
620 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
621 | /* Check if any command is pending */ | |
622 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
623 | if (list_empty(&adapter->cmd_pending_q)) { | |
624 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
625 | cmd_pending_q_flags); | |
626 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
627 | return 0; | |
628 | } | |
629 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
630 | struct cmd_ctrl_node, list); | |
631 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
632 | cmd_pending_q_flags); | |
633 | ||
634 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
635 | priv = cmd_node->priv; | |
636 | ||
637 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
638 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
639 | " this should not happen\n", __func__); | |
640 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
641 | return ret; | |
642 | } | |
643 | ||
644 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
645 | list_del(&cmd_node->list); | |
646 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
647 | cmd_pending_q_flags); | |
648 | ||
649 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
650 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
651 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
652 | /* Any command sent to the firmware when host is in sleep | |
653 | * mode should de-configure host sleep. We should skip the | |
654 | * host sleep configuration command itself though | |
655 | */ | |
656 | if (priv && (host_cmd->command != | |
657 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
658 | if (adapter->hs_activated) { | |
659 | adapter->is_hs_configured = false; | |
660 | mwifiex_hs_activated_event(priv, false); | |
661 | } | |
662 | } | |
663 | ||
664 | return ret; | |
665 | } | |
666 | ||
667 | /* | |
668 | * This function handles the command response. | |
669 | * | |
670 | * After processing, the function cleans the command node and puts | |
671 | * it back to the command free queue. | |
672 | */ | |
673 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
674 | { | |
270e58e8 | 675 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
676 | struct mwifiex_private *priv = |
677 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
678 | int ret = 0; | |
679 | uint16_t orig_cmdresp_no; | |
680 | uint16_t cmdresp_no; | |
681 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
682 | struct timeval tstamp; |
683 | unsigned long flags; | |
684 | ||
685 | /* Now we got response from FW, cancel the command timer */ | |
686 | del_timer(&adapter->cmd_timer); | |
687 | ||
688 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
689 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
690 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
691 | le16_to_cpu(resp->command)); | |
692 | return -1; | |
693 | } | |
694 | ||
5e6e3a92 BZ |
695 | adapter->num_cmd_timeout = 0; |
696 | ||
697 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
698 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
699 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
700 | le16_to_cpu(resp->command)); | |
701 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
702 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
703 | adapter->curr_cmd = NULL; | |
704 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
705 | return -1; | |
706 | } | |
707 | ||
708 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
709 | /* Copy original response back to response buffer */ | |
710 | struct mwifiex_ds_misc_cmd *hostcmd = NULL; | |
711 | uint16_t size = le16_to_cpu(resp->size); | |
712 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
713 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
714 | if (adapter->curr_cmd->data_buf) { | |
715 | hostcmd = (struct mwifiex_ds_misc_cmd *) | |
716 | adapter->curr_cmd->data_buf; | |
717 | hostcmd->len = size; | |
718 | memcpy(hostcmd->cmd, (void *) resp, size); | |
719 | } | |
720 | } | |
721 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
722 | ||
723 | /* Get BSS number and corresponding priv */ | |
724 | priv = mwifiex_get_priv_by_id(adapter, | |
725 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), | |
726 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
727 | if (!priv) | |
728 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
729 | /* Clear RET_BIT from HostCmd */ | |
730 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
731 | ||
732 | cmdresp_no = le16_to_cpu(resp->command); | |
733 | cmdresp_result = le16_to_cpu(resp->result); | |
734 | ||
735 | /* Save the last command response to debug log */ | |
736 | adapter->dbg.last_cmd_resp_index = | |
737 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; | |
738 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = | |
739 | orig_cmdresp_no; | |
740 | ||
741 | do_gettimeofday(&tstamp); | |
742 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
743 | " len %d, seqno 0x%x\n", | |
744 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
745 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
746 | ||
747 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
748 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
749 | if (adapter->curr_cmd->wait_q_enabled) |
750 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
751 | |
752 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
753 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
754 | adapter->curr_cmd = NULL; | |
755 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
756 | return -1; | |
757 | } | |
758 | ||
759 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
760 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
761 | if ((cmdresp_result == HostCmd_RESULT_OK) | |
762 | && (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
763 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); | |
764 | } else { | |
765 | /* handle response */ | |
600f5d90 | 766 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
767 | } |
768 | ||
769 | /* Check init command response */ | |
770 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
771 | if (ret == -1) { | |
772 | dev_err(adapter->dev, "%s: cmd %#x failed during " | |
773 | "initialization\n", __func__, cmdresp_no); | |
774 | mwifiex_init_fw_complete(adapter); | |
775 | return -1; | |
776 | } else if (adapter->last_init_cmd == cmdresp_no) | |
777 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
778 | } | |
779 | ||
780 | if (adapter->curr_cmd) { | |
600f5d90 AK |
781 | if (adapter->curr_cmd->wait_q_enabled && (!ret)) |
782 | adapter->cmd_wait_q.status = 0; | |
783 | else if (adapter->curr_cmd->wait_q_enabled && (ret == -1)) | |
784 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
785 | |
786 | /* Clean up and put current command back to cmd_free_q */ | |
787 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
788 | ||
789 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
790 | adapter->curr_cmd = NULL; | |
791 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
792 | } | |
793 | ||
794 | return ret; | |
795 | } | |
796 | ||
797 | /* | |
798 | * This function handles the timeout of command sending. | |
799 | * | |
800 | * It will re-send the same command again. | |
801 | */ | |
802 | void | |
803 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
804 | { | |
805 | struct mwifiex_adapter *adapter = | |
806 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 807 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
808 | struct timeval tstamp; |
809 | ||
810 | adapter->num_cmd_timeout++; | |
811 | adapter->dbg.num_cmd_timeout++; | |
812 | if (!adapter->curr_cmd) { | |
813 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
814 | return; | |
815 | } | |
816 | cmd_node = adapter->curr_cmd; | |
600f5d90 AK |
817 | if (cmd_node->wait_q_enabled) |
818 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
5e6e3a92 BZ |
819 | |
820 | if (cmd_node) { | |
821 | adapter->dbg.timeout_cmd_id = | |
822 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
823 | adapter->dbg.timeout_cmd_act = | |
824 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
825 | do_gettimeofday(&tstamp); | |
826 | dev_err(adapter->dev, "%s: Timeout cmd id (%lu.%lu) = %#x," | |
827 | " act = %#x\n", __func__, | |
828 | tstamp.tv_sec, tstamp.tv_usec, | |
829 | adapter->dbg.timeout_cmd_id, | |
830 | adapter->dbg.timeout_cmd_act); | |
831 | ||
832 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
833 | adapter->dbg.num_tx_host_to_card_failure); | |
834 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", | |
835 | adapter->dbg.num_cmd_host_to_card_failure); | |
836 | ||
837 | dev_err(adapter->dev, "num_cmd_timeout = %d\n", | |
838 | adapter->dbg.num_cmd_timeout); | |
839 | dev_err(adapter->dev, "num_tx_timeout = %d\n", | |
840 | adapter->dbg.num_tx_timeout); | |
841 | ||
842 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
843 | adapter->dbg.last_cmd_index); | |
844 | print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET, | |
845 | adapter->dbg.last_cmd_id, DBG_CMD_NUM); | |
846 | print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET, | |
847 | adapter->dbg.last_cmd_act, DBG_CMD_NUM); | |
848 | ||
849 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
850 | adapter->dbg.last_cmd_resp_index); | |
851 | print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET, | |
852 | adapter->dbg.last_cmd_resp_id, DBG_CMD_NUM); | |
853 | ||
854 | dev_err(adapter->dev, "last_event_index = %d\n", | |
855 | adapter->dbg.last_event_index); | |
856 | print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET, | |
857 | adapter->dbg.last_event, DBG_CMD_NUM); | |
858 | ||
859 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
860 | adapter->data_sent, adapter->cmd_sent); | |
861 | ||
862 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
863 | adapter->ps_mode, adapter->ps_state); | |
864 | } | |
865 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
866 | mwifiex_init_fw_complete(adapter); | |
5e6e3a92 BZ |
867 | } |
868 | ||
869 | /* | |
870 | * This function cancels all the pending commands. | |
871 | * | |
872 | * The current command, all commands in command pending queue and all scan | |
873 | * commands in scan pending queue are cancelled. All the completion callbacks | |
874 | * are called with failure status to ensure cleanup. | |
875 | */ | |
876 | void | |
877 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
878 | { | |
270e58e8 | 879 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
5e6e3a92 BZ |
880 | unsigned long flags; |
881 | ||
882 | /* Cancel current cmd */ | |
600f5d90 | 883 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 | 884 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 885 | adapter->curr_cmd->wait_q_enabled = false; |
5e6e3a92 | 886 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 AK |
887 | adapter->cmd_wait_q.status = -1; |
888 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
889 | } |
890 | /* Cancel all pending command */ | |
891 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
892 | list_for_each_entry_safe(cmd_node, tmp_node, | |
893 | &adapter->cmd_pending_q, list) { | |
894 | list_del(&cmd_node->list); | |
895 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
896 | ||
600f5d90 AK |
897 | if (cmd_node->wait_q_enabled) { |
898 | adapter->cmd_wait_q.status = -1; | |
899 | mwifiex_complete_cmd(adapter); | |
900 | cmd_node->wait_q_enabled = false; | |
5e6e3a92 BZ |
901 | } |
902 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
903 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
904 | } | |
905 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
906 | ||
907 | /* Cancel all pending scan command */ | |
908 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
909 | list_for_each_entry_safe(cmd_node, tmp_node, | |
910 | &adapter->scan_pending_q, list) { | |
911 | list_del(&cmd_node->list); | |
912 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
913 | ||
600f5d90 | 914 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
915 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
916 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
917 | } | |
918 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
919 | ||
920 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
921 | adapter->scan_processing = false; | |
922 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
923 | } | |
924 | ||
925 | /* | |
926 | * This function cancels all pending commands that matches with | |
927 | * the given IOCTL request. | |
928 | * | |
929 | * Both the current command buffer and the pending command queue are | |
930 | * searched for matching IOCTL request. The completion callback of | |
931 | * the matched command is called with failure status to ensure cleanup. | |
932 | * In case of scan commands, all pending commands in scan pending queue | |
933 | * are cancelled. | |
934 | */ | |
935 | void | |
600f5d90 | 936 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
937 | { |
938 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
939 | unsigned long cmd_flags; | |
940 | unsigned long cmd_pending_q_flags; | |
941 | unsigned long scan_pending_q_flags; | |
942 | uint16_t cancel_scan_cmd = false; | |
943 | ||
944 | if ((adapter->curr_cmd) && | |
600f5d90 | 945 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
946 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
947 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 948 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 949 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
5e6e3a92 BZ |
950 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, |
951 | cmd_pending_q_flags); | |
952 | list_del(&cmd_node->list); | |
953 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
954 | cmd_pending_q_flags); | |
5e6e3a92 | 955 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
600f5d90 | 956 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 957 | } |
600f5d90 | 958 | |
5e6e3a92 BZ |
959 | /* Cancel all pending scan command */ |
960 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
961 | scan_pending_q_flags); | |
962 | list_for_each_entry_safe(cmd_node, tmp_node, | |
963 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
964 | list_del(&cmd_node->list); |
965 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
966 | scan_pending_q_flags); | |
967 | cmd_node->wait_q_enabled = false; | |
968 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
969 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
970 | scan_pending_q_flags); | |
971 | cancel_scan_cmd = true; | |
5e6e3a92 BZ |
972 | } |
973 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
974 | scan_pending_q_flags); | |
975 | ||
976 | if (cancel_scan_cmd) { | |
977 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
978 | adapter->scan_processing = false; | |
979 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
980 | } | |
600f5d90 AK |
981 | adapter->cmd_wait_q.status = -1; |
982 | mwifiex_complete_cmd(adapter); | |
5e6e3a92 BZ |
983 | } |
984 | ||
985 | /* | |
986 | * This function sends the sleep confirm command to firmware, if | |
987 | * possible. | |
988 | * | |
989 | * The sleep confirm command cannot be issued if command response, | |
990 | * data response or event response is awaiting handling, or if we | |
991 | * are in the middle of sending a command, or expecting a command | |
992 | * response. | |
993 | */ | |
994 | void | |
995 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
996 | { | |
997 | if (!adapter->cmd_sent && | |
998 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
999 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
1000 | else | |
1001 | dev_dbg(adapter->dev, | |
1002 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
1003 | (adapter->cmd_sent) ? "D" : "", | |
1004 | (adapter->curr_cmd) ? "C" : "", | |
1005 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
1006 | } | |
1007 | ||
1008 | /* | |
1009 | * This function sends a Host Sleep activated event to applications. | |
1010 | * | |
1011 | * This event is generated by the driver, with a blank event body. | |
1012 | */ | |
1013 | void | |
1014 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1015 | { | |
1016 | if (activated) { | |
1017 | if (priv->adapter->is_hs_configured) { | |
1018 | priv->adapter->hs_activated = true; | |
1019 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); | |
1020 | priv->adapter->hs_activate_wait_q_woken = true; | |
1021 | wake_up_interruptible( | |
1022 | &priv->adapter->hs_activate_wait_q); | |
1023 | } else { | |
1024 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1025 | } | |
1026 | } else { | |
1027 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1028 | priv->adapter->hs_activated = false; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | /* | |
1033 | * This function handles the command response of a Host Sleep configuration | |
1034 | * command. | |
1035 | * | |
1036 | * Handling includes changing the header fields into CPU format | |
1037 | * and setting the current host sleep activation status in driver. | |
1038 | * | |
1039 | * In case host sleep status change, the function generates an event to | |
1040 | * notify the applications. | |
1041 | */ | |
1042 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1043 | struct host_cmd_ds_command *resp) | |
1044 | { | |
1045 | struct mwifiex_adapter *adapter = priv->adapter; | |
1046 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1047 | &resp->params.opt_hs_cfg; | |
1048 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1049 | ||
1050 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE)) { | |
1051 | mwifiex_hs_activated_event(priv, true); | |
1052 | return 0; | |
1053 | } else { | |
1054 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1055 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1056 | resp->result, conditions, | |
1057 | phs_cfg->params.hs_config.gpio, | |
1058 | phs_cfg->params.hs_config.gap); | |
1059 | } | |
1060 | if (conditions != HOST_SLEEP_CFG_CANCEL) { | |
1061 | adapter->is_hs_configured = true; | |
1062 | } else { | |
1063 | adapter->is_hs_configured = false; | |
1064 | if (adapter->hs_activated) | |
1065 | mwifiex_hs_activated_event(priv, false); | |
1066 | } | |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | /* | |
1072 | * This function wakes up the adapter and generates a Host Sleep | |
1073 | * cancel event on receiving the power up interrupt. | |
1074 | */ | |
1075 | void | |
1076 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1077 | { | |
1078 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1079 | " since there is interrupt from the firmware\n", __func__); | |
1080 | ||
1081 | adapter->if_ops.wakeup(adapter); | |
1082 | adapter->hs_activated = false; | |
1083 | adapter->is_hs_configured = false; | |
1084 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
1085 | MWIFIEX_BSS_ROLE_ANY), false); | |
5e6e3a92 BZ |
1086 | } |
1087 | ||
1088 | /* | |
1089 | * This function handles the command response of a sleep confirm command. | |
1090 | * | |
1091 | * The function sets the card state to SLEEP if the response indicates success. | |
1092 | */ | |
1093 | void | |
1094 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1095 | u8 *pbuf, u32 upld_len) | |
1096 | { | |
1097 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1098 | struct mwifiex_private *priv = | |
1099 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1100 | uint16_t result = le16_to_cpu(cmd->result); | |
1101 | uint16_t command = le16_to_cpu(cmd->command); | |
1102 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1103 | ||
1104 | if (!upld_len) { | |
1105 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1106 | return; | |
1107 | } | |
1108 | ||
1109 | /* Get BSS number and corresponding priv */ | |
1110 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1111 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1112 | if (!priv) | |
1113 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1114 | ||
1115 | /* Update sequence number */ | |
1116 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1117 | /* Clear RET_BIT from HostCmd */ | |
1118 | command &= HostCmd_CMD_ID_MASK; | |
1119 | ||
1120 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
1121 | dev_err(adapter->dev, "%s: received unexpected response for" | |
1122 | " cmd %x, result = %x\n", __func__, command, result); | |
1123 | return; | |
1124 | } | |
1125 | ||
1126 | if (result) { | |
1127 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
1128 | __func__); | |
1129 | adapter->pm_wakeup_card_req = false; | |
1130 | adapter->ps_state = PS_STATE_AWAKE; | |
1131 | return; | |
1132 | } | |
1133 | adapter->pm_wakeup_card_req = true; | |
1134 | if (adapter->is_hs_configured) | |
1135 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
1136 | MWIFIEX_BSS_ROLE_ANY), true); | |
1137 | adapter->ps_state = PS_STATE_SLEEP; | |
1138 | cmd->command = cpu_to_le16(command); | |
1139 | cmd->seq_num = cpu_to_le16(seq_num); | |
1140 | } | |
1141 | EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); | |
1142 | ||
1143 | /* | |
1144 | * This function prepares an enhanced power mode command. | |
1145 | * | |
1146 | * This function can be used to disable power save or to configure | |
1147 | * power save with auto PS or STA PS or auto deep sleep. | |
1148 | * | |
1149 | * Preparation includes - | |
1150 | * - Setting command ID, action and proper size | |
1151 | * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, | |
1152 | * auto deep sleep TLV (as required) | |
1153 | * - Ensuring correct endian-ness | |
1154 | */ | |
1155 | int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, | |
1156 | struct host_cmd_ds_command *cmd, | |
1157 | u16 cmd_action, uint16_t ps_bitmap, | |
1158 | void *data_buf) | |
1159 | { | |
1160 | struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = | |
1161 | &cmd->params.psmode_enh; | |
270e58e8 | 1162 | u8 *tlv; |
5e6e3a92 BZ |
1163 | u16 cmd_size = 0; |
1164 | ||
1165 | cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
1166 | if (cmd_action == DIS_AUTO_PS) { | |
1167 | psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); | |
1168 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe MY |
1169 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
1170 | sizeof(psmode_enh->params.ps_bitmap)); | |
5e6e3a92 BZ |
1171 | } else if (cmd_action == GET_PS) { |
1172 | psmode_enh->action = cpu_to_le16(GET_PS); | |
1173 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe MY |
1174 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
1175 | sizeof(psmode_enh->params.ps_bitmap)); | |
5e6e3a92 BZ |
1176 | } else if (cmd_action == EN_AUTO_PS) { |
1177 | psmode_enh->action = cpu_to_le16(EN_AUTO_PS); | |
2b06bdbe MY |
1178 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); |
1179 | cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + | |
1180 | sizeof(psmode_enh->params.ps_bitmap); | |
5e6e3a92 BZ |
1181 | tlv = (u8 *) cmd + cmd_size; |
1182 | if (ps_bitmap & BITMAP_STA_PS) { | |
1183 | struct mwifiex_adapter *adapter = priv->adapter; | |
1184 | struct mwifiex_ie_types_ps_param *ps_tlv = | |
1185 | (struct mwifiex_ie_types_ps_param *) tlv; | |
1186 | struct mwifiex_ps_param *ps_mode = &ps_tlv->param; | |
1187 | ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); | |
1188 | ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - | |
1189 | sizeof(struct mwifiex_ie_types_header)); | |
1190 | cmd_size += sizeof(*ps_tlv); | |
1191 | tlv += sizeof(*ps_tlv); | |
1192 | dev_dbg(adapter->dev, "cmd: PS Command: Enter PS\n"); | |
1193 | ps_mode->null_pkt_interval = | |
1194 | cpu_to_le16(adapter->null_pkt_interval); | |
1195 | ps_mode->multiple_dtims = | |
1196 | cpu_to_le16(adapter->multiple_dtim); | |
1197 | ps_mode->bcn_miss_timeout = | |
1198 | cpu_to_le16(adapter->bcn_miss_time_out); | |
1199 | ps_mode->local_listen_interval = | |
1200 | cpu_to_le16(adapter->local_listen_interval); | |
1201 | ps_mode->adhoc_wake_period = | |
1202 | cpu_to_le16(adapter->adhoc_awake_period); | |
1203 | ps_mode->delay_to_ps = | |
1204 | cpu_to_le16(adapter->delay_to_ps); | |
1205 | ps_mode->mode = | |
1206 | cpu_to_le16(adapter->enhanced_ps_mode); | |
1207 | ||
1208 | } | |
1209 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
2b06bdbe | 1210 | struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = |
5e6e3a92 | 1211 | (struct mwifiex_ie_types_auto_ds_param *) tlv; |
5e6e3a92 | 1212 | u16 idletime = 0; |
2b06bdbe MY |
1213 | |
1214 | auto_ds_tlv->header.type = | |
5e6e3a92 | 1215 | cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); |
2b06bdbe MY |
1216 | auto_ds_tlv->header.len = |
1217 | cpu_to_le16(sizeof(*auto_ds_tlv) - | |
5e6e3a92 | 1218 | sizeof(struct mwifiex_ie_types_header)); |
2b06bdbe MY |
1219 | cmd_size += sizeof(*auto_ds_tlv); |
1220 | tlv += sizeof(*auto_ds_tlv); | |
5e6e3a92 BZ |
1221 | if (data_buf) |
1222 | idletime = ((struct mwifiex_ds_auto_ds *) | |
1223 | data_buf)->idle_time; | |
1224 | dev_dbg(priv->adapter->dev, | |
1225 | "cmd: PS Command: Enter Auto Deep Sleep\n"); | |
2b06bdbe | 1226 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1227 | } |
1228 | cmd->size = cpu_to_le16(cmd_size); | |
1229 | } | |
1230 | return 0; | |
1231 | } | |
1232 | ||
1233 | /* | |
1234 | * This function handles the command response of an enhanced power mode | |
1235 | * command. | |
1236 | * | |
1237 | * Handling includes changing the header fields into CPU format | |
1238 | * and setting the current enhanced power mode in driver. | |
1239 | */ | |
1240 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1241 | struct host_cmd_ds_command *resp, | |
1242 | void *data_buf) | |
1243 | { | |
1244 | struct mwifiex_adapter *adapter = priv->adapter; | |
1245 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1246 | &resp->params.psmode_enh; | |
1247 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1248 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1249 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1250 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 BZ |
1251 | |
1252 | dev_dbg(adapter->dev, "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1253 | __func__, resp->result, action); | |
1254 | if (action == EN_AUTO_PS) { | |
1255 | if (auto_ps_bitmap & BITMAP_AUTO_DS) { | |
1256 | dev_dbg(adapter->dev, "cmd: Enabled auto deep sleep\n"); | |
1257 | priv->adapter->is_deep_sleep = true; | |
1258 | } | |
1259 | if (auto_ps_bitmap & BITMAP_STA_PS) { | |
1260 | dev_dbg(adapter->dev, "cmd: Enabled STA power save\n"); | |
1261 | if (adapter->sleep_period.period) | |
1262 | dev_dbg(adapter->dev, "cmd: set to uapsd/pps mode\n"); | |
1263 | } | |
1264 | } else if (action == DIS_AUTO_PS) { | |
1265 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
1266 | priv->adapter->is_deep_sleep = false; | |
1267 | dev_dbg(adapter->dev, "cmd: Disabled auto deep sleep\n"); | |
1268 | } | |
1269 | if (ps_bitmap & BITMAP_STA_PS) { | |
1270 | dev_dbg(adapter->dev, "cmd: Disabled STA power save\n"); | |
1271 | if (adapter->sleep_period.period) { | |
1272 | adapter->delay_null_pkt = false; | |
1273 | adapter->tx_lock_flag = false; | |
1274 | adapter->pps_uapsd_mode = false; | |
1275 | } | |
1276 | } | |
1277 | } else if (action == GET_PS) { | |
2b06bdbe | 1278 | if (ps_bitmap & BITMAP_STA_PS) |
5e6e3a92 BZ |
1279 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
1280 | else | |
1281 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
1282 | ||
1283 | dev_dbg(adapter->dev, "cmd: ps_bitmap=%#x\n", ps_bitmap); | |
1284 | ||
1285 | if (data_buf) { | |
1286 | /* This section is for get power save mode */ | |
1287 | struct mwifiex_ds_pm_cfg *pm_cfg = | |
1288 | (struct mwifiex_ds_pm_cfg *)data_buf; | |
1289 | if (ps_bitmap & BITMAP_STA_PS) | |
1290 | pm_cfg->param.ps_mode = 1; | |
1291 | else | |
1292 | pm_cfg->param.ps_mode = 0; | |
1293 | } | |
1294 | } | |
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | /* | |
1299 | * This function prepares command to get hardware specifications. | |
1300 | * | |
1301 | * Preparation includes - | |
1302 | * - Setting command ID, action and proper size | |
1303 | * - Setting permanent address parameter | |
1304 | * - Ensuring correct endian-ness | |
1305 | */ | |
1306 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1307 | struct host_cmd_ds_command *cmd) | |
1308 | { | |
1309 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1310 | ||
1311 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1312 | cmd->size = | |
1313 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1314 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1315 | ||
1316 | return 0; | |
1317 | } | |
1318 | ||
1319 | /* | |
1320 | * This function handles the command response of get hardware | |
1321 | * specifications. | |
1322 | * | |
1323 | * Handling includes changing the header fields into CPU format | |
1324 | * and saving/updating the following parameters in driver - | |
1325 | * - Firmware capability information | |
1326 | * - Firmware band settings | |
1327 | * - Ad-hoc start band and channel | |
1328 | * - Ad-hoc 11n activation status | |
1329 | * - Firmware release number | |
1330 | * - Number of antennas | |
1331 | * - Hardware address | |
1332 | * - Hardware interface version | |
1333 | * - Firmware version | |
1334 | * - Region code | |
1335 | * - 11n capabilities | |
1336 | * - MCS support fields | |
1337 | * - MP end port | |
1338 | */ | |
1339 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1340 | struct host_cmd_ds_command *resp) | |
1341 | { | |
1342 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1343 | struct mwifiex_adapter *adapter = priv->adapter; | |
1344 | int i; | |
1345 | ||
1346 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1347 | ||
1348 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1349 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1350 | else | |
1351 | adapter->fw_bands = BAND_B; | |
1352 | ||
1353 | adapter->config_bands = adapter->fw_bands; | |
1354 | ||
1355 | if (adapter->fw_bands & BAND_A) { | |
1356 | if (adapter->fw_bands & BAND_GN) { | |
1357 | adapter->config_bands |= BAND_AN; | |
1358 | adapter->fw_bands |= BAND_AN; | |
1359 | } | |
1360 | if (adapter->fw_bands & BAND_AN) { | |
1361 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1362 | adapter->adhoc_11n_enabled = true; | |
1363 | } else { | |
1364 | adapter->adhoc_start_band = BAND_A; | |
1365 | } | |
1366 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1367 | } else if (adapter->fw_bands & BAND_GN) { | |
1368 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1369 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1370 | adapter->adhoc_11n_enabled = true; | |
1371 | } else if (adapter->fw_bands & BAND_G) { | |
1372 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1373 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1374 | } else if (adapter->fw_bands & BAND_B) { | |
1375 | adapter->adhoc_start_band = BAND_B; | |
1376 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1377 | } | |
1378 | ||
1379 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
1380 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); | |
1381 | ||
1382 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", | |
1383 | adapter->fw_release_number); | |
1384 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", | |
1385 | hw_spec->permanent_addr); | |
1386 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
1387 | le16_to_cpu(hw_spec->hw_if_version), | |
1388 | le16_to_cpu(hw_spec->version)); | |
1389 | ||
1390 | if (priv->curr_addr[0] == 0xff) | |
1391 | memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); | |
1392 | ||
1393 | adapter->region_code = le16_to_cpu(hw_spec->region_code); | |
1394 | ||
1395 | for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) | |
1396 | /* Use the region code to search for the index */ | |
1397 | if (adapter->region_code == region_code_index[i]) | |
1398 | break; | |
1399 | ||
1400 | /* If it's unidentified region code, use the default (USA) */ | |
1401 | if (i >= MWIFIEX_MAX_REGION_CODE) { | |
1402 | adapter->region_code = 0x10; | |
1403 | dev_dbg(adapter->dev, "cmd: unknown region code, use default (USA)\n"); | |
1404 | } | |
1405 | ||
1406 | adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); | |
5e6e3a92 | 1407 | adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; |
5e6e3a92 BZ |
1408 | |
1409 | if (adapter->if_ops.update_mp_end_port) | |
1410 | adapter->if_ops.update_mp_end_port(adapter, | |
1411 | le16_to_cpu(hw_spec->mp_end_port)); | |
1412 | ||
1413 | return 0; | |
1414 | } |