Commit | Line | Data |
---|---|---|
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; | |
efaaa8b8 AK |
43 | if (priv->adapter->cmd_wait_q_required) { |
44 | cmd_node->wait_q_enabled = priv->adapter->cmd_wait_q_required; | |
45 | priv->adapter->cmd_wait_q_required = false; | |
46 | cmd_node->cmd_wait_q_woken = false; | |
47 | cmd_node->condition = &cmd_node->cmd_wait_q_woken; | |
48 | } | |
5e6e3a92 BZ |
49 | cmd_node->data_buf = data_buf; |
50 | cmd_node->cmd_skb = cmd_node->skb; | |
51 | } | |
52 | ||
53 | /* | |
54 | * This function returns a command node from the free queue depending upon | |
55 | * availability. | |
56 | */ | |
57 | static struct cmd_ctrl_node * | |
58 | mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) | |
59 | { | |
60 | struct cmd_ctrl_node *cmd_node; | |
61 | unsigned long flags; | |
62 | ||
63 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
64 | if (list_empty(&adapter->cmd_free_q)) { | |
65 | dev_err(adapter->dev, "GET_CMD_NODE: cmd node not available\n"); | |
66 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
67 | return NULL; | |
68 | } | |
69 | cmd_node = list_first_entry(&adapter->cmd_free_q, | |
aea0701e | 70 | struct cmd_ctrl_node, list); |
5e6e3a92 BZ |
71 | list_del(&cmd_node->list); |
72 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
73 | ||
74 | return cmd_node; | |
75 | } | |
76 | ||
77 | /* | |
78 | * This function cleans up a command node. | |
79 | * | |
80 | * The function resets the fields including the buffer pointers. | |
81 | * This function does not try to free the buffers. They must be | |
82 | * freed before calling this function. | |
83 | * | |
84 | * This function will however call the receive completion callback | |
85 | * in case a response buffer is still available before resetting | |
86 | * the pointer. | |
87 | */ | |
88 | static void | |
89 | mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, | |
90 | struct cmd_ctrl_node *cmd_node) | |
91 | { | |
92 | cmd_node->cmd_oid = 0; | |
93 | cmd_node->cmd_flag = 0; | |
5e6e3a92 | 94 | cmd_node->data_buf = NULL; |
600f5d90 | 95 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 96 | |
5cf80993 AK |
97 | if (cmd_node->cmd_skb) |
98 | skb_trim(cmd_node->cmd_skb, 0); | |
99 | ||
5e6e3a92 | 100 | if (cmd_node->resp_skb) { |
d930faee | 101 | adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); |
5e6e3a92 BZ |
102 | cmd_node->resp_skb = NULL; |
103 | } | |
5e6e3a92 BZ |
104 | } |
105 | ||
5e6e3a92 BZ |
106 | /* |
107 | * This function sends a host command to the firmware. | |
108 | * | |
109 | * The function copies the host command into the driver command | |
110 | * buffer, which will be transferred to the firmware later by the | |
111 | * main thread. | |
112 | */ | |
113 | static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, | |
a5ffddb7 AK |
114 | struct host_cmd_ds_command *cmd, |
115 | struct mwifiex_ds_misc_cmd *pcmd_ptr) | |
5e6e3a92 | 116 | { |
5e6e3a92 | 117 | /* Copy the HOST command to command buffer */ |
a5ffddb7 | 118 | memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); |
5e6e3a92 BZ |
119 | dev_dbg(priv->adapter->dev, "cmd: host cmd size = %d\n", pcmd_ptr->len); |
120 | return 0; | |
121 | } | |
122 | ||
123 | /* | |
124 | * This function downloads a command to the firmware. | |
125 | * | |
126 | * The function performs sanity tests, sets the command sequence | |
127 | * number and size, converts the header fields to CPU format before | |
128 | * sending. Afterwards, it logs the command ID and action for debugging | |
129 | * and sets up the command timeout timer. | |
130 | */ | |
131 | static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, | |
132 | struct cmd_ctrl_node *cmd_node) | |
133 | { | |
134 | ||
135 | struct mwifiex_adapter *adapter = priv->adapter; | |
270e58e8 | 136 | int ret; |
5e6e3a92 | 137 | struct host_cmd_ds_command *host_cmd; |
5e6e3a92 BZ |
138 | uint16_t cmd_code; |
139 | uint16_t cmd_size; | |
140 | struct timeval tstamp; | |
141 | unsigned long flags; | |
142 | ||
143 | if (!adapter || !cmd_node) | |
144 | return -1; | |
145 | ||
146 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
5e6e3a92 BZ |
147 | |
148 | /* Sanity test */ | |
149 | if (host_cmd == NULL || host_cmd->size == 0) { | |
150 | dev_err(adapter->dev, "DNLD_CMD: host_cmd is null" | |
151 | " or cmd size is 0, not sending\n"); | |
600f5d90 AK |
152 | if (cmd_node->wait_q_enabled) |
153 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
154 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
155 | return -1; | |
156 | } | |
157 | ||
158 | /* Set command sequence number */ | |
159 | adapter->seq_num++; | |
160 | host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO | |
aea0701e YAP |
161 | (adapter->seq_num, |
162 | cmd_node->priv->bss_num, | |
163 | cmd_node->priv->bss_type)); | |
5e6e3a92 BZ |
164 | |
165 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
166 | adapter->curr_cmd = cmd_node; | |
167 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
168 | ||
169 | cmd_code = le16_to_cpu(host_cmd->command); | |
170 | cmd_size = le16_to_cpu(host_cmd->size); | |
171 | ||
172 | skb_trim(cmd_node->cmd_skb, cmd_size); | |
173 | ||
174 | do_gettimeofday(&tstamp); | |
175 | dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," | |
176 | " seqno %#x\n", | |
177 | tstamp.tv_sec, tstamp.tv_usec, cmd_code, | |
aea0701e YAP |
178 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, |
179 | le16_to_cpu(host_cmd->seq_num)); | |
5e6e3a92 BZ |
180 | |
181 | skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
182 | ||
183 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
d930faee | 184 | cmd_node->cmd_skb, NULL); |
5e6e3a92 | 185 | |
18bf9657 BZ |
186 | skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); |
187 | ||
5e6e3a92 BZ |
188 | if (ret == -1) { |
189 | dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); | |
600f5d90 AK |
190 | if (cmd_node->wait_q_enabled) |
191 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
192 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); |
193 | ||
194 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
195 | adapter->curr_cmd = NULL; | |
196 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
197 | ||
198 | adapter->dbg.num_cmd_host_to_card_failure++; | |
199 | return -1; | |
200 | } | |
201 | ||
202 | /* Save the last command id and action to debug log */ | |
203 | adapter->dbg.last_cmd_index = | |
aea0701e | 204 | (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; |
5e6e3a92 BZ |
205 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; |
206 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = | |
aea0701e | 207 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); |
5e6e3a92 BZ |
208 | |
209 | /* Clear BSS_NO_BITS from HostCmd */ | |
210 | cmd_code &= HostCmd_CMD_ID_MASK; | |
211 | ||
212 | /* Setup the timer after transmit command */ | |
213 | mod_timer(&adapter->cmd_timer, | |
aea0701e | 214 | jiffies + (MWIFIEX_TIMER_10S * HZ) / 1000); |
5e6e3a92 BZ |
215 | |
216 | return 0; | |
217 | } | |
218 | ||
219 | /* | |
220 | * This function downloads a sleep confirm command to the firmware. | |
221 | * | |
222 | * The function performs sanity tests, sets the command sequence | |
223 | * number and size, converts the header fields to CPU format before | |
224 | * sending. | |
225 | * | |
226 | * No responses are needed for sleep confirm command. | |
227 | */ | |
228 | static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) | |
229 | { | |
270e58e8 | 230 | int ret; |
5e6e3a92 | 231 | struct mwifiex_private *priv; |
7cc5eb62 AK |
232 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = |
233 | (struct mwifiex_opt_sleep_confirm *) | |
aea0701e | 234 | adapter->sleep_cfm->data; |
5e6e3a92 BZ |
235 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
236 | ||
7cc5eb62 | 237 | sleep_cfm_buf->seq_num = |
5e6e3a92 BZ |
238 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO |
239 | (adapter->seq_num, priv->bss_num, | |
240 | priv->bss_type))); | |
241 | adapter->seq_num++; | |
242 | ||
7cc5eb62 | 243 | skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); |
5e6e3a92 | 244 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, |
d930faee | 245 | adapter->sleep_cfm, NULL); |
7cc5eb62 | 246 | skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); |
5e6e3a92 BZ |
247 | |
248 | if (ret == -1) { | |
249 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
250 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
251 | return -1; | |
252 | } | |
253 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
aea0701e | 254 | == MWIFIEX_BSS_ROLE_STA) { |
7cc5eb62 | 255 | if (!sleep_cfm_buf->resp_ctrl) |
5e6e3a92 BZ |
256 | /* Response is not needed for sleep |
257 | confirm command */ | |
258 | adapter->ps_state = PS_STATE_SLEEP; | |
259 | else | |
260 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
261 | ||
aea0701e YAP |
262 | if (!sleep_cfm_buf->resp_ctrl && |
263 | (adapter->is_hs_configured && | |
264 | !adapter->sleep_period.period)) { | |
5e6e3a92 | 265 | adapter->pm_wakeup_card_req = true; |
aea0701e YAP |
266 | mwifiex_hs_activated_event(mwifiex_get_priv |
267 | (adapter, MWIFIEX_BSS_ROLE_STA), true); | |
5e6e3a92 BZ |
268 | } |
269 | } | |
270 | ||
271 | return ret; | |
272 | } | |
273 | ||
274 | /* | |
275 | * This function allocates the command buffers and links them to | |
276 | * the command free queue. | |
277 | * | |
278 | * The driver uses a pre allocated number of command buffers, which | |
279 | * are created at driver initializations and freed at driver cleanup. | |
280 | * Every command needs to obtain a command buffer from this pool before | |
281 | * it can be issued. The command free queue lists the command buffers | |
282 | * currently free to use, while the command pending queue lists the | |
283 | * command buffers already in use and awaiting handling. Command buffers | |
284 | * are returned to the free queue after use. | |
285 | */ | |
286 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
287 | { | |
288 | struct cmd_ctrl_node *cmd_array; | |
289 | u32 buf_size; | |
290 | u32 i; | |
291 | ||
292 | /* Allocate and initialize struct cmd_ctrl_node */ | |
293 | buf_size = sizeof(struct cmd_ctrl_node) * MWIFIEX_NUM_OF_CMD_BUFFER; | |
294 | cmd_array = kzalloc(buf_size, GFP_KERNEL); | |
295 | if (!cmd_array) { | |
296 | dev_err(adapter->dev, "%s: failed to alloc cmd_array\n", | |
aea0701e | 297 | __func__); |
b53575ec | 298 | return -ENOMEM; |
5e6e3a92 BZ |
299 | } |
300 | ||
301 | adapter->cmd_pool = cmd_array; | |
302 | memset(adapter->cmd_pool, 0, buf_size); | |
303 | ||
304 | /* Allocate and initialize command buffers */ | |
305 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
306 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
307 | if (!cmd_array[i].skb) { | |
308 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
309 | return -1; | |
310 | } | |
311 | } | |
312 | ||
313 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
314 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
315 | ||
316 | return 0; | |
317 | } | |
318 | ||
319 | /* | |
320 | * This function frees the command buffers. | |
321 | * | |
322 | * The function calls the completion callback for all the command | |
323 | * buffers that still have response buffers associated with them. | |
324 | */ | |
325 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
326 | { | |
327 | struct cmd_ctrl_node *cmd_array; | |
328 | u32 i; | |
329 | ||
330 | /* Need to check if cmd pool is allocated or not */ | |
331 | if (!adapter->cmd_pool) { | |
332 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
333 | return 0; | |
334 | } | |
335 | ||
336 | cmd_array = adapter->cmd_pool; | |
337 | ||
338 | /* Release shared memory buffers */ | |
339 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
340 | if (cmd_array[i].skb) { | |
341 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
342 | dev_kfree_skb_any(cmd_array[i].skb); | |
343 | } | |
344 | if (!cmd_array[i].resp_skb) | |
345 | continue; | |
406a39ec | 346 | dev_kfree_skb_any(cmd_array[i].resp_skb); |
5e6e3a92 BZ |
347 | } |
348 | /* Release struct cmd_ctrl_node */ | |
349 | if (adapter->cmd_pool) { | |
350 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
351 | kfree(adapter->cmd_pool); | |
352 | adapter->cmd_pool = NULL; | |
353 | } | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | /* | |
359 | * This function handles events generated by firmware. | |
360 | * | |
361 | * Event body of events received from firmware are not used (though they are | |
362 | * saved), only the event ID is used. Some events are re-invoked by | |
363 | * the driver, with a new event body. | |
364 | * | |
365 | * After processing, the function calls the completion callback | |
366 | * for cleanup. | |
367 | */ | |
368 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
369 | { | |
270e58e8 | 370 | int ret; |
5e6e3a92 BZ |
371 | struct mwifiex_private *priv = |
372 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
373 | struct sk_buff *skb = adapter->event_skb; | |
374 | u32 eventcause = adapter->event_cause; | |
375 | struct timeval tstamp; | |
270e58e8 | 376 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
377 | |
378 | /* Save the last event to debug log */ | |
379 | adapter->dbg.last_event_index = | |
aea0701e | 380 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 381 | adapter->dbg.last_event[adapter->dbg.last_event_index] = |
aea0701e | 382 | (u16) eventcause; |
5e6e3a92 BZ |
383 | |
384 | /* Get BSS number and corresponding priv */ | |
385 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
386 | EVENT_GET_BSS_TYPE(eventcause)); | |
387 | if (!priv) | |
388 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
389 | /* Clear BSS_NO_BITS from event */ | |
390 | eventcause &= EVENT_ID_MASK; | |
391 | adapter->event_cause = eventcause; | |
392 | ||
393 | if (skb) { | |
394 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
9da9a3b2 YAP |
395 | rx_info->bss_num = priv->bss_num; |
396 | rx_info->bss_type = priv->bss_type; | |
5e6e3a92 BZ |
397 | } |
398 | ||
399 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
400 | do_gettimeofday(&tstamp); | |
401 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
aea0701e | 402 | tstamp.tv_sec, tstamp.tv_usec, eventcause); |
5e6e3a92 BZ |
403 | } |
404 | ||
405 | ret = mwifiex_process_sta_event(priv); | |
406 | ||
407 | adapter->event_cause = 0; | |
408 | adapter->event_skb = NULL; | |
d930faee | 409 | adapter->if_ops.event_complete(adapter, skb); |
5e6e3a92 BZ |
410 | |
411 | return ret; | |
412 | } | |
413 | ||
414 | /* | |
600f5d90 AK |
415 | * This function is used to send synchronous command to the firmware. |
416 | * | |
417 | * it allocates a wait queue for the command and wait for the command | |
418 | * response. | |
419 | */ | |
420 | int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, | |
421 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
422 | { | |
423 | int ret = 0; | |
424 | struct mwifiex_adapter *adapter = priv->adapter; | |
425 | ||
426 | adapter->cmd_wait_q_required = true; | |
600f5d90 AK |
427 | |
428 | ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, | |
429 | data_buf); | |
430 | if (!ret) | |
431 | ret = mwifiex_wait_queue_complete(adapter); | |
432 | ||
433 | return ret; | |
434 | } | |
435 | ||
436 | ||
437 | /* | |
438 | * This function prepares a command and asynchronously send it to the firmware. | |
5e6e3a92 BZ |
439 | * |
440 | * Preparation includes - | |
441 | * - Sanity tests to make sure the card is still present or the FW | |
442 | * is not reset | |
443 | * - Getting a new command node from the command free queue | |
444 | * - Initializing the command node for default parameters | |
445 | * - Fill up the non-default parameters and buffer pointers | |
446 | * - Add the command to pending queue | |
447 | */ | |
600f5d90 AK |
448 | int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, |
449 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
5e6e3a92 | 450 | { |
270e58e8 | 451 | int ret; |
5e6e3a92 | 452 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
453 | struct cmd_ctrl_node *cmd_node; |
454 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
455 | |
456 | if (!adapter) { | |
457 | pr_err("PREP_CMD: adapter is NULL\n"); | |
458 | return -1; | |
459 | } | |
460 | ||
461 | if (adapter->is_suspended) { | |
462 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
463 | return -1; | |
464 | } | |
465 | ||
466 | if (adapter->surprise_removed) { | |
467 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
468 | return -1; | |
469 | } | |
470 | ||
471 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { | |
472 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
473 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
474 | return -1; | |
475 | } | |
476 | } | |
477 | ||
478 | /* Get a new command node */ | |
479 | cmd_node = mwifiex_get_cmd_node(adapter); | |
480 | ||
481 | if (!cmd_node) { | |
482 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
483 | return -1; | |
484 | } | |
485 | ||
486 | /* Initialize the command node */ | |
600f5d90 | 487 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf); |
5e6e3a92 BZ |
488 | |
489 | if (!cmd_node->cmd_skb) { | |
490 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
491 | return -1; | |
492 | } | |
493 | ||
494 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
495 | 0, sizeof(struct host_cmd_ds_command)); | |
496 | ||
497 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
498 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
499 | cmd_ptr->result = 0; | |
500 | ||
501 | /* Prepare command */ | |
502 | if (cmd_no) { | |
503 | ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, | |
504 | cmd_oid, data_buf, cmd_ptr); | |
505 | } else { | |
506 | ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); | |
507 | cmd_node->cmd_flag |= CMD_F_HOSTCMD; | |
508 | } | |
509 | ||
510 | /* Return error, since the command preparation failed */ | |
511 | if (ret) { | |
512 | dev_err(adapter->dev, "PREP_CMD: cmd %#x preparation failed\n", | |
aea0701e | 513 | cmd_no); |
5e6e3a92 BZ |
514 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
515 | return -1; | |
516 | } | |
517 | ||
518 | /* Send command */ | |
efaaa8b8 | 519 | if (cmd_no == HostCmd_CMD_802_11_SCAN) { |
5e6e3a92 | 520 | mwifiex_queue_scan_cmd(priv, cmd_node); |
efaaa8b8 AK |
521 | } else { |
522 | adapter->cmd_queued = cmd_node; | |
5e6e3a92 | 523 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); |
efaaa8b8 | 524 | } |
5e6e3a92 BZ |
525 | |
526 | return ret; | |
527 | } | |
528 | ||
529 | /* | |
530 | * This function returns a command to the command free queue. | |
531 | * | |
532 | * The function also calls the completion callback if required, before | |
533 | * cleaning the command node and re-inserting it into the free queue. | |
534 | */ | |
535 | void | |
536 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
537 | struct cmd_ctrl_node *cmd_node) | |
538 | { | |
5e6e3a92 BZ |
539 | unsigned long flags; |
540 | ||
19a89860 | 541 | if (!cmd_node) |
5e6e3a92 | 542 | return; |
600f5d90 AK |
543 | |
544 | if (cmd_node->wait_q_enabled) | |
efaaa8b8 | 545 | mwifiex_complete_cmd(adapter, cmd_node); |
5e6e3a92 BZ |
546 | /* Clean the node */ |
547 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
548 | ||
549 | /* Insert node into cmd_free_q */ | |
550 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
551 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
552 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
553 | } |
554 | ||
555 | /* | |
556 | * This function queues a command to the command pending queue. | |
557 | * | |
558 | * This in effect adds the command to the command list to be executed. | |
559 | * Exit PS command is handled specially, by placing it always to the | |
560 | * front of the command queue. | |
561 | */ | |
562 | void | |
563 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
564 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
565 | { | |
566 | struct host_cmd_ds_command *host_cmd = NULL; | |
567 | u16 command; | |
568 | unsigned long flags; | |
569 | ||
570 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
571 | if (!host_cmd) { | |
572 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
573 | return; | |
574 | } | |
575 | ||
576 | command = le16_to_cpu(host_cmd->command); | |
577 | ||
578 | /* Exit_PS command needs to be queued in the header always. */ | |
579 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
580 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
aea0701e YAP |
581 | &host_cmd->params.psmode_enh; |
582 | if ((le16_to_cpu(pm->action) == DIS_PS) || | |
583 | (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
5e6e3a92 BZ |
584 | if (adapter->ps_state != PS_STATE_AWAKE) |
585 | add_tail = false; | |
586 | } | |
587 | } | |
588 | ||
589 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
590 | if (add_tail) | |
591 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
592 | else | |
593 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
594 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
595 | ||
596 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command); | |
5e6e3a92 BZ |
597 | } |
598 | ||
599 | /* | |
600 | * This function executes the next command in command pending queue. | |
601 | * | |
602 | * This function will fail if a command is already in processing stage, | |
603 | * otherwise it will dequeue the first command from the command pending | |
604 | * queue and send to the firmware. | |
605 | * | |
606 | * If the device is currently in host sleep mode, any commands, except the | |
607 | * host sleep configuration command will de-activate the host sleep. For PS | |
608 | * mode, the function will put the firmware back to sleep if applicable. | |
609 | */ | |
610 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
611 | { | |
270e58e8 YAP |
612 | struct mwifiex_private *priv; |
613 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
614 | int ret = 0; |
615 | struct host_cmd_ds_command *host_cmd; | |
616 | unsigned long cmd_flags; | |
617 | unsigned long cmd_pending_q_flags; | |
618 | ||
619 | /* Check if already in processing */ | |
620 | if (adapter->curr_cmd) { | |
621 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
622 | return -1; | |
623 | } | |
624 | ||
625 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
626 | /* Check if any command is pending */ | |
627 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
628 | if (list_empty(&adapter->cmd_pending_q)) { | |
629 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
630 | cmd_pending_q_flags); | |
631 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
632 | return 0; | |
633 | } | |
634 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
635 | struct cmd_ctrl_node, list); | |
636 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
637 | cmd_pending_q_flags); | |
638 | ||
639 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
640 | priv = cmd_node->priv; | |
641 | ||
642 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
643 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
644 | " this should not happen\n", __func__); | |
645 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
646 | return ret; | |
647 | } | |
648 | ||
649 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
650 | list_del(&cmd_node->list); | |
651 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
652 | cmd_pending_q_flags); | |
653 | ||
654 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
655 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
656 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
657 | /* Any command sent to the firmware when host is in sleep | |
658 | * mode should de-configure host sleep. We should skip the | |
659 | * host sleep configuration command itself though | |
660 | */ | |
661 | if (priv && (host_cmd->command != | |
662 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
663 | if (adapter->hs_activated) { | |
664 | adapter->is_hs_configured = false; | |
665 | mwifiex_hs_activated_event(priv, false); | |
666 | } | |
667 | } | |
668 | ||
669 | return ret; | |
670 | } | |
671 | ||
672 | /* | |
673 | * This function handles the command response. | |
674 | * | |
675 | * After processing, the function cleans the command node and puts | |
676 | * it back to the command free queue. | |
677 | */ | |
678 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
679 | { | |
270e58e8 | 680 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
681 | struct mwifiex_private *priv = |
682 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
683 | int ret = 0; | |
684 | uint16_t orig_cmdresp_no; | |
685 | uint16_t cmdresp_no; | |
686 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
687 | struct timeval tstamp; |
688 | unsigned long flags; | |
689 | ||
690 | /* Now we got response from FW, cancel the command timer */ | |
691 | del_timer(&adapter->cmd_timer); | |
692 | ||
693 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
694 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
695 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
aea0701e | 696 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
697 | return -1; |
698 | } | |
699 | ||
5e6e3a92 BZ |
700 | adapter->num_cmd_timeout = 0; |
701 | ||
702 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
703 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
704 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
aea0701e | 705 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
706 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); |
707 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
708 | adapter->curr_cmd = NULL; | |
709 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
710 | return -1; | |
711 | } | |
712 | ||
713 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
714 | /* Copy original response back to response buffer */ | |
a5ffddb7 | 715 | struct mwifiex_ds_misc_cmd *hostcmd; |
5e6e3a92 BZ |
716 | uint16_t size = le16_to_cpu(resp->size); |
717 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
718 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
719 | if (adapter->curr_cmd->data_buf) { | |
a5ffddb7 | 720 | hostcmd = adapter->curr_cmd->data_buf; |
5e6e3a92 | 721 | hostcmd->len = size; |
a5ffddb7 | 722 | memcpy(hostcmd->cmd, resp, size); |
5e6e3a92 BZ |
723 | } |
724 | } | |
725 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
726 | ||
727 | /* Get BSS number and corresponding priv */ | |
728 | priv = mwifiex_get_priv_by_id(adapter, | |
aea0701e YAP |
729 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), |
730 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
5e6e3a92 BZ |
731 | if (!priv) |
732 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
733 | /* Clear RET_BIT from HostCmd */ | |
734 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
735 | ||
736 | cmdresp_no = le16_to_cpu(resp->command); | |
737 | cmdresp_result = le16_to_cpu(resp->result); | |
738 | ||
739 | /* Save the last command response to debug log */ | |
740 | adapter->dbg.last_cmd_resp_index = | |
aea0701e | 741 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 742 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = |
aea0701e | 743 | orig_cmdresp_no; |
5e6e3a92 BZ |
744 | |
745 | do_gettimeofday(&tstamp); | |
746 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
747 | " len %d, seqno 0x%x\n", | |
748 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
749 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
750 | ||
751 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
752 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
753 | if (adapter->curr_cmd->wait_q_enabled) |
754 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
755 | |
756 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
757 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
758 | adapter->curr_cmd = NULL; | |
759 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
760 | return -1; | |
761 | } | |
762 | ||
763 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
764 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
aea0701e YAP |
765 | if ((cmdresp_result == HostCmd_RESULT_OK) && |
766 | (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
5e6e3a92 BZ |
767 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); |
768 | } else { | |
769 | /* handle response */ | |
600f5d90 | 770 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
771 | } |
772 | ||
773 | /* Check init command response */ | |
774 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
a0f6d6ca | 775 | if (ret) { |
5e6e3a92 BZ |
776 | dev_err(adapter->dev, "%s: cmd %#x failed during " |
777 | "initialization\n", __func__, cmdresp_no); | |
778 | mwifiex_init_fw_complete(adapter); | |
779 | return -1; | |
780 | } else if (adapter->last_init_cmd == cmdresp_no) | |
781 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
782 | } | |
783 | ||
784 | if (adapter->curr_cmd) { | |
a0f6d6ca AK |
785 | if (adapter->curr_cmd->wait_q_enabled) |
786 | adapter->cmd_wait_q.status = ret; | |
5e6e3a92 BZ |
787 | |
788 | /* Clean up and put current command back to cmd_free_q */ | |
789 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
790 | ||
791 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
792 | adapter->curr_cmd = NULL; | |
793 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
794 | } | |
795 | ||
796 | return ret; | |
797 | } | |
798 | ||
799 | /* | |
800 | * This function handles the timeout of command sending. | |
801 | * | |
802 | * It will re-send the same command again. | |
803 | */ | |
804 | void | |
805 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
806 | { | |
807 | struct mwifiex_adapter *adapter = | |
808 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 809 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
810 | struct timeval tstamp; |
811 | ||
812 | adapter->num_cmd_timeout++; | |
813 | adapter->dbg.num_cmd_timeout++; | |
814 | if (!adapter->curr_cmd) { | |
815 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
816 | return; | |
817 | } | |
818 | cmd_node = adapter->curr_cmd; | |
600f5d90 AK |
819 | if (cmd_node->wait_q_enabled) |
820 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
5e6e3a92 BZ |
821 | |
822 | if (cmd_node) { | |
823 | adapter->dbg.timeout_cmd_id = | |
824 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
825 | adapter->dbg.timeout_cmd_act = | |
826 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
827 | do_gettimeofday(&tstamp); | |
aea0701e YAP |
828 | dev_err(adapter->dev, |
829 | "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n", | |
830 | __func__, tstamp.tv_sec, tstamp.tv_usec, | |
831 | adapter->dbg.timeout_cmd_id, | |
832 | adapter->dbg.timeout_cmd_act); | |
5e6e3a92 BZ |
833 | |
834 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
aea0701e | 835 | adapter->dbg.num_tx_host_to_card_failure); |
5e6e3a92 | 836 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", |
aea0701e | 837 | adapter->dbg.num_cmd_host_to_card_failure); |
5e6e3a92 BZ |
838 | |
839 | dev_err(adapter->dev, "num_cmd_timeout = %d\n", | |
aea0701e | 840 | adapter->dbg.num_cmd_timeout); |
5e6e3a92 | 841 | dev_err(adapter->dev, "num_tx_timeout = %d\n", |
aea0701e | 842 | adapter->dbg.num_tx_timeout); |
5e6e3a92 BZ |
843 | |
844 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
aea0701e | 845 | adapter->dbg.last_cmd_index); |
5e6e3a92 | 846 | print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET, |
aea0701e | 847 | adapter->dbg.last_cmd_id, DBG_CMD_NUM); |
5e6e3a92 | 848 | print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET, |
aea0701e | 849 | adapter->dbg.last_cmd_act, DBG_CMD_NUM); |
5e6e3a92 BZ |
850 | |
851 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
aea0701e | 852 | adapter->dbg.last_cmd_resp_index); |
5e6e3a92 | 853 | print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET, |
aea0701e YAP |
854 | adapter->dbg.last_cmd_resp_id, |
855 | DBG_CMD_NUM); | |
5e6e3a92 BZ |
856 | |
857 | dev_err(adapter->dev, "last_event_index = %d\n", | |
aea0701e | 858 | adapter->dbg.last_event_index); |
5e6e3a92 | 859 | print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET, |
aea0701e | 860 | adapter->dbg.last_event, DBG_CMD_NUM); |
5e6e3a92 BZ |
861 | |
862 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
aea0701e | 863 | adapter->data_sent, adapter->cmd_sent); |
5e6e3a92 BZ |
864 | |
865 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
aea0701e | 866 | adapter->ps_mode, adapter->ps_state); |
5e6e3a92 BZ |
867 | } |
868 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
869 | mwifiex_init_fw_complete(adapter); | |
5e6e3a92 BZ |
870 | } |
871 | ||
872 | /* | |
873 | * This function cancels all the pending commands. | |
874 | * | |
875 | * The current command, all commands in command pending queue and all scan | |
876 | * commands in scan pending queue are cancelled. All the completion callbacks | |
877 | * are called with failure status to ensure cleanup. | |
878 | */ | |
879 | void | |
880 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
881 | { | |
270e58e8 | 882 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
5e6e3a92 BZ |
883 | unsigned long flags; |
884 | ||
885 | /* Cancel current cmd */ | |
600f5d90 | 886 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 | 887 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 888 | adapter->curr_cmd->wait_q_enabled = false; |
5e6e3a92 | 889 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 890 | adapter->cmd_wait_q.status = -1; |
efaaa8b8 | 891 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
892 | } |
893 | /* Cancel all pending command */ | |
894 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
895 | list_for_each_entry_safe(cmd_node, tmp_node, | |
896 | &adapter->cmd_pending_q, list) { | |
897 | list_del(&cmd_node->list); | |
898 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
899 | ||
600f5d90 AK |
900 | if (cmd_node->wait_q_enabled) { |
901 | adapter->cmd_wait_q.status = -1; | |
efaaa8b8 | 902 | mwifiex_complete_cmd(adapter, cmd_node); |
600f5d90 | 903 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
904 | } |
905 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
906 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
907 | } | |
908 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
909 | ||
910 | /* Cancel all pending scan command */ | |
911 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
912 | list_for_each_entry_safe(cmd_node, tmp_node, | |
913 | &adapter->scan_pending_q, list) { | |
914 | list_del(&cmd_node->list); | |
915 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
916 | ||
600f5d90 | 917 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
918 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
919 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
920 | } | |
921 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
922 | ||
923 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
924 | adapter->scan_processing = false; | |
925 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
926 | } | |
927 | ||
928 | /* | |
929 | * This function cancels all pending commands that matches with | |
930 | * the given IOCTL request. | |
931 | * | |
932 | * Both the current command buffer and the pending command queue are | |
933 | * searched for matching IOCTL request. The completion callback of | |
934 | * the matched command is called with failure status to ensure cleanup. | |
935 | * In case of scan commands, all pending commands in scan pending queue | |
936 | * are cancelled. | |
937 | */ | |
938 | void | |
600f5d90 | 939 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
940 | { |
941 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
942 | unsigned long cmd_flags; | |
5e6e3a92 BZ |
943 | unsigned long scan_pending_q_flags; |
944 | uint16_t cancel_scan_cmd = false; | |
945 | ||
946 | if ((adapter->curr_cmd) && | |
aea0701e | 947 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
948 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
949 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 950 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 951 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
5e6e3a92 | 952 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
51e708c1 YAP |
953 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
954 | adapter->curr_cmd = NULL; | |
600f5d90 | 955 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 956 | } |
600f5d90 | 957 | |
5e6e3a92 BZ |
958 | /* Cancel all pending scan command */ |
959 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
960 | scan_pending_q_flags); | |
961 | list_for_each_entry_safe(cmd_node, tmp_node, | |
962 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
963 | list_del(&cmd_node->list); |
964 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
965 | scan_pending_q_flags); | |
966 | cmd_node->wait_q_enabled = false; | |
967 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
968 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
969 | scan_pending_q_flags); | |
970 | cancel_scan_cmd = true; | |
5e6e3a92 BZ |
971 | } |
972 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
973 | scan_pending_q_flags); | |
974 | ||
975 | if (cancel_scan_cmd) { | |
976 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
977 | adapter->scan_processing = false; | |
978 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
979 | } | |
600f5d90 | 980 | adapter->cmd_wait_q.status = -1; |
5e6e3a92 BZ |
981 | } |
982 | ||
983 | /* | |
984 | * This function sends the sleep confirm command to firmware, if | |
985 | * possible. | |
986 | * | |
987 | * The sleep confirm command cannot be issued if command response, | |
988 | * data response or event response is awaiting handling, or if we | |
989 | * are in the middle of sending a command, or expecting a command | |
990 | * response. | |
991 | */ | |
992 | void | |
993 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
994 | { | |
995 | if (!adapter->cmd_sent && | |
996 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
997 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
998 | else | |
999 | dev_dbg(adapter->dev, | |
1000 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
aea0701e YAP |
1001 | (adapter->cmd_sent) ? "D" : "", |
1002 | (adapter->curr_cmd) ? "C" : "", | |
1003 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
5e6e3a92 BZ |
1004 | } |
1005 | ||
1006 | /* | |
1007 | * This function sends a Host Sleep activated event to applications. | |
1008 | * | |
1009 | * This event is generated by the driver, with a blank event body. | |
1010 | */ | |
1011 | void | |
1012 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1013 | { | |
1014 | if (activated) { | |
1015 | if (priv->adapter->is_hs_configured) { | |
1016 | priv->adapter->hs_activated = true; | |
1017 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); | |
1018 | priv->adapter->hs_activate_wait_q_woken = true; | |
1019 | wake_up_interruptible( | |
1020 | &priv->adapter->hs_activate_wait_q); | |
1021 | } else { | |
1022 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1023 | } | |
1024 | } else { | |
1025 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1026 | priv->adapter->hs_activated = false; | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * This function handles the command response of a Host Sleep configuration | |
1032 | * command. | |
1033 | * | |
1034 | * Handling includes changing the header fields into CPU format | |
1035 | * and setting the current host sleep activation status in driver. | |
1036 | * | |
1037 | * In case host sleep status change, the function generates an event to | |
1038 | * notify the applications. | |
1039 | */ | |
1040 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1041 | struct host_cmd_ds_command *resp) | |
1042 | { | |
1043 | struct mwifiex_adapter *adapter = priv->adapter; | |
1044 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1045 | &resp->params.opt_hs_cfg; | |
1046 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1047 | ||
1048 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE)) { | |
1049 | mwifiex_hs_activated_event(priv, true); | |
1050 | return 0; | |
1051 | } else { | |
1052 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1053 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1054 | resp->result, conditions, | |
aea0701e YAP |
1055 | phs_cfg->params.hs_config.gpio, |
1056 | phs_cfg->params.hs_config.gap); | |
5e6e3a92 BZ |
1057 | } |
1058 | if (conditions != HOST_SLEEP_CFG_CANCEL) { | |
1059 | adapter->is_hs_configured = true; | |
1060 | } else { | |
1061 | adapter->is_hs_configured = false; | |
1062 | if (adapter->hs_activated) | |
1063 | mwifiex_hs_activated_event(priv, false); | |
1064 | } | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * This function wakes up the adapter and generates a Host Sleep | |
1071 | * cancel event on receiving the power up interrupt. | |
1072 | */ | |
1073 | void | |
1074 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1075 | { | |
1076 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1077 | " since there is interrupt from the firmware\n", __func__); | |
1078 | ||
1079 | adapter->if_ops.wakeup(adapter); | |
1080 | adapter->hs_activated = false; | |
1081 | adapter->is_hs_configured = false; | |
1082 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
aea0701e YAP |
1083 | MWIFIEX_BSS_ROLE_ANY), |
1084 | false); | |
5e6e3a92 BZ |
1085 | } |
1086 | ||
1087 | /* | |
1088 | * This function handles the command response of a sleep confirm command. | |
1089 | * | |
1090 | * The function sets the card state to SLEEP if the response indicates success. | |
1091 | */ | |
1092 | void | |
1093 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1094 | u8 *pbuf, u32 upld_len) | |
1095 | { | |
1096 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1097 | struct mwifiex_private *priv = | |
1098 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1099 | uint16_t result = le16_to_cpu(cmd->result); | |
1100 | uint16_t command = le16_to_cpu(cmd->command); | |
1101 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1102 | ||
1103 | if (!upld_len) { | |
1104 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1105 | return; | |
1106 | } | |
1107 | ||
1108 | /* Get BSS number and corresponding priv */ | |
1109 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1110 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1111 | if (!priv) | |
1112 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1113 | ||
1114 | /* Update sequence number */ | |
1115 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1116 | /* Clear RET_BIT from HostCmd */ | |
1117 | command &= HostCmd_CMD_ID_MASK; | |
1118 | ||
1119 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
aea0701e YAP |
1120 | dev_err(adapter->dev, |
1121 | "%s: rcvd unexpected resp for cmd %#x, result = %x\n", | |
1122 | __func__, command, result); | |
5e6e3a92 BZ |
1123 | return; |
1124 | } | |
1125 | ||
1126 | if (result) { | |
1127 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
aea0701e | 1128 | __func__); |
5e6e3a92 BZ |
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) | |
aea0701e YAP |
1135 | mwifiex_hs_activated_event(mwifiex_get_priv |
1136 | (adapter, MWIFIEX_BSS_ROLE_ANY), | |
1137 | true); | |
5e6e3a92 BZ |
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, | |
a5ffddb7 | 1159 | struct mwifiex_ds_auto_ds *auto_ds) |
5e6e3a92 BZ |
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 | 1170 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 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 | 1175 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 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) + | |
aea0701e | 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 = | |
aea0701e | 1195 | cpu_to_le16(adapter->null_pkt_interval); |
5e6e3a92 | 1196 | ps_mode->multiple_dtims = |
aea0701e | 1197 | cpu_to_le16(adapter->multiple_dtim); |
5e6e3a92 | 1198 | ps_mode->bcn_miss_timeout = |
aea0701e | 1199 | cpu_to_le16(adapter->bcn_miss_time_out); |
5e6e3a92 BZ |
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 = | |
aea0701e YAP |
1205 | cpu_to_le16(adapter->delay_to_ps); |
1206 | ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); | |
5e6e3a92 BZ |
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); | |
a5ffddb7 AK |
1221 | if (auto_ds) |
1222 | idletime = auto_ds->idle_time; | |
5e6e3a92 | 1223 | dev_dbg(priv->adapter->dev, |
aea0701e | 1224 | "cmd: PS Command: Enter Auto Deep Sleep\n"); |
2b06bdbe | 1225 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1226 | } |
1227 | cmd->size = cpu_to_le16(cmd_size); | |
1228 | } | |
1229 | return 0; | |
1230 | } | |
1231 | ||
1232 | /* | |
1233 | * This function handles the command response of an enhanced power mode | |
1234 | * command. | |
1235 | * | |
1236 | * Handling includes changing the header fields into CPU format | |
1237 | * and setting the current enhanced power mode in driver. | |
1238 | */ | |
1239 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1240 | struct host_cmd_ds_command *resp, | |
a5ffddb7 | 1241 | struct mwifiex_ds_pm_cfg *pm_cfg) |
5e6e3a92 BZ |
1242 | { |
1243 | struct mwifiex_adapter *adapter = priv->adapter; | |
1244 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1245 | &resp->params.psmode_enh; | |
1246 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1247 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1248 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1249 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 | 1250 | |
aea0701e YAP |
1251 | dev_dbg(adapter->dev, |
1252 | "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1253 | __func__, resp->result, action); | |
5e6e3a92 BZ |
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) | |
aea0701e YAP |
1262 | dev_dbg(adapter->dev, |
1263 | "cmd: set to uapsd/pps mode\n"); | |
5e6e3a92 BZ |
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 | ||
a5ffddb7 | 1286 | if (pm_cfg) { |
5e6e3a92 | 1287 | /* This section is for get power save mode */ |
5e6e3a92 BZ |
1288 | if (ps_bitmap & BITMAP_STA_PS) |
1289 | pm_cfg->param.ps_mode = 1; | |
1290 | else | |
1291 | pm_cfg->param.ps_mode = 0; | |
1292 | } | |
1293 | } | |
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | /* | |
1298 | * This function prepares command to get hardware specifications. | |
1299 | * | |
1300 | * Preparation includes - | |
1301 | * - Setting command ID, action and proper size | |
1302 | * - Setting permanent address parameter | |
1303 | * - Ensuring correct endian-ness | |
1304 | */ | |
1305 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1306 | struct host_cmd_ds_command *cmd) | |
1307 | { | |
1308 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1309 | ||
1310 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1311 | cmd->size = | |
1312 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1313 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
1318 | /* | |
1319 | * This function handles the command response of get hardware | |
1320 | * specifications. | |
1321 | * | |
1322 | * Handling includes changing the header fields into CPU format | |
1323 | * and saving/updating the following parameters in driver - | |
1324 | * - Firmware capability information | |
1325 | * - Firmware band settings | |
1326 | * - Ad-hoc start band and channel | |
1327 | * - Ad-hoc 11n activation status | |
1328 | * - Firmware release number | |
1329 | * - Number of antennas | |
1330 | * - Hardware address | |
1331 | * - Hardware interface version | |
1332 | * - Firmware version | |
1333 | * - Region code | |
1334 | * - 11n capabilities | |
1335 | * - MCS support fields | |
1336 | * - MP end port | |
1337 | */ | |
1338 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1339 | struct host_cmd_ds_command *resp) | |
1340 | { | |
1341 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1342 | struct mwifiex_adapter *adapter = priv->adapter; | |
1343 | int i; | |
1344 | ||
1345 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1346 | ||
1347 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1348 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1349 | else | |
1350 | adapter->fw_bands = BAND_B; | |
1351 | ||
1352 | adapter->config_bands = adapter->fw_bands; | |
1353 | ||
1354 | if (adapter->fw_bands & BAND_A) { | |
1355 | if (adapter->fw_bands & BAND_GN) { | |
1356 | adapter->config_bands |= BAND_AN; | |
1357 | adapter->fw_bands |= BAND_AN; | |
1358 | } | |
1359 | if (adapter->fw_bands & BAND_AN) { | |
1360 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1361 | adapter->adhoc_11n_enabled = true; | |
1362 | } else { | |
1363 | adapter->adhoc_start_band = BAND_A; | |
1364 | } | |
1365 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1366 | } else if (adapter->fw_bands & BAND_GN) { | |
1367 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1368 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1369 | adapter->adhoc_11n_enabled = true; | |
1370 | } else if (adapter->fw_bands & BAND_G) { | |
1371 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1372 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1373 | } else if (adapter->fw_bands & BAND_B) { | |
1374 | adapter->adhoc_start_band = BAND_B; | |
1375 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1376 | } | |
1377 | ||
1378 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
1379 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); | |
1380 | ||
1381 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", | |
aea0701e | 1382 | adapter->fw_release_number); |
5e6e3a92 | 1383 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", |
aea0701e YAP |
1384 | hw_spec->permanent_addr); |
1385 | dev_dbg(adapter->dev, | |
1386 | "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
5e6e3a92 | 1387 | le16_to_cpu(hw_spec->hw_if_version), |
aea0701e | 1388 | le16_to_cpu(hw_spec->version)); |
5e6e3a92 BZ |
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; | |
aea0701e YAP |
1403 | dev_dbg(adapter->dev, |
1404 | "cmd: unknown region code, use default (USA)\n"); | |
5e6e3a92 BZ |
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 | } |