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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; | |
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; | |
4daffe35 | 142 | __le32 tmp; |
5e6e3a92 BZ |
143 | |
144 | if (!adapter || !cmd_node) | |
145 | return -1; | |
146 | ||
147 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
5e6e3a92 BZ |
148 | |
149 | /* Sanity test */ | |
150 | if (host_cmd == NULL || host_cmd->size == 0) { | |
151 | dev_err(adapter->dev, "DNLD_CMD: host_cmd is null" | |
152 | " or cmd size is 0, not sending\n"); | |
600f5d90 AK |
153 | if (cmd_node->wait_q_enabled) |
154 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
155 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
156 | return -1; | |
157 | } | |
158 | ||
159 | /* Set command sequence number */ | |
160 | adapter->seq_num++; | |
161 | host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO | |
aea0701e YAP |
162 | (adapter->seq_num, |
163 | cmd_node->priv->bss_num, | |
164 | cmd_node->priv->bss_type)); | |
5e6e3a92 BZ |
165 | |
166 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
167 | adapter->curr_cmd = cmd_node; | |
168 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
169 | ||
170 | cmd_code = le16_to_cpu(host_cmd->command); | |
171 | cmd_size = le16_to_cpu(host_cmd->size); | |
172 | ||
173 | skb_trim(cmd_node->cmd_skb, cmd_size); | |
174 | ||
175 | do_gettimeofday(&tstamp); | |
176 | dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," | |
177 | " seqno %#x\n", | |
178 | tstamp.tv_sec, tstamp.tv_usec, cmd_code, | |
aea0701e YAP |
179 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, |
180 | le16_to_cpu(host_cmd->seq_num)); | |
5e6e3a92 | 181 | |
4daffe35 AK |
182 | if (adapter->iface_type == MWIFIEX_USB) { |
183 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
184 | skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
185 | memcpy(cmd_node->cmd_skb->data, &tmp, MWIFIEX_TYPE_LEN); | |
186 | adapter->cmd_sent = true; | |
187 | ret = adapter->if_ops.host_to_card(adapter, | |
188 | MWIFIEX_USB_EP_CMD_EVENT, | |
189 | cmd_node->cmd_skb, NULL); | |
190 | skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
191 | if (ret == -EBUSY) | |
192 | cmd_node->cmd_skb = NULL; | |
193 | } else { | |
194 | skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
195 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
196 | cmd_node->cmd_skb, NULL); | |
197 | skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
198 | } | |
18bf9657 | 199 | |
5e6e3a92 BZ |
200 | if (ret == -1) { |
201 | dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); | |
4daffe35 AK |
202 | if (adapter->iface_type == MWIFIEX_USB) |
203 | adapter->cmd_sent = false; | |
600f5d90 AK |
204 | if (cmd_node->wait_q_enabled) |
205 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
206 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); |
207 | ||
208 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
209 | adapter->curr_cmd = NULL; | |
210 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
211 | ||
212 | adapter->dbg.num_cmd_host_to_card_failure++; | |
213 | return -1; | |
214 | } | |
215 | ||
216 | /* Save the last command id and action to debug log */ | |
217 | adapter->dbg.last_cmd_index = | |
aea0701e | 218 | (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; |
5e6e3a92 BZ |
219 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; |
220 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = | |
aea0701e | 221 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); |
5e6e3a92 BZ |
222 | |
223 | /* Clear BSS_NO_BITS from HostCmd */ | |
224 | cmd_code &= HostCmd_CMD_ID_MASK; | |
225 | ||
226 | /* Setup the timer after transmit command */ | |
227 | mod_timer(&adapter->cmd_timer, | |
aea0701e | 228 | jiffies + (MWIFIEX_TIMER_10S * HZ) / 1000); |
5e6e3a92 BZ |
229 | |
230 | return 0; | |
231 | } | |
232 | ||
233 | /* | |
234 | * This function downloads a sleep confirm command to the firmware. | |
235 | * | |
236 | * The function performs sanity tests, sets the command sequence | |
237 | * number and size, converts the header fields to CPU format before | |
238 | * sending. | |
239 | * | |
240 | * No responses are needed for sleep confirm command. | |
241 | */ | |
242 | static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) | |
243 | { | |
270e58e8 | 244 | int ret; |
5e6e3a92 | 245 | struct mwifiex_private *priv; |
7cc5eb62 AK |
246 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = |
247 | (struct mwifiex_opt_sleep_confirm *) | |
aea0701e | 248 | adapter->sleep_cfm->data; |
4daffe35 AK |
249 | struct sk_buff *sleep_cfm_tmp; |
250 | __le32 tmp; | |
251 | ||
5e6e3a92 BZ |
252 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
253 | ||
7cc5eb62 | 254 | sleep_cfm_buf->seq_num = |
5e6e3a92 BZ |
255 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO |
256 | (adapter->seq_num, priv->bss_num, | |
257 | priv->bss_type))); | |
258 | adapter->seq_num++; | |
259 | ||
4daffe35 AK |
260 | if (adapter->iface_type == MWIFIEX_USB) { |
261 | sleep_cfm_tmp = | |
262 | dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) | |
263 | + MWIFIEX_TYPE_LEN); | |
264 | skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) | |
265 | + MWIFIEX_TYPE_LEN); | |
266 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
267 | memcpy(sleep_cfm_tmp->data, &tmp, MWIFIEX_TYPE_LEN); | |
268 | memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, | |
269 | adapter->sleep_cfm->data, | |
270 | sizeof(struct mwifiex_opt_sleep_confirm)); | |
271 | ret = adapter->if_ops.host_to_card(adapter, | |
272 | MWIFIEX_USB_EP_CMD_EVENT, | |
273 | sleep_cfm_tmp, NULL); | |
274 | if (ret != -EBUSY) | |
275 | dev_kfree_skb_any(sleep_cfm_tmp); | |
276 | } else { | |
277 | skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); | |
278 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
279 | adapter->sleep_cfm, NULL); | |
280 | skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); | |
281 | } | |
5e6e3a92 BZ |
282 | |
283 | if (ret == -1) { | |
284 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
285 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
286 | return -1; | |
287 | } | |
288 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
aea0701e | 289 | == MWIFIEX_BSS_ROLE_STA) { |
7cc5eb62 | 290 | if (!sleep_cfm_buf->resp_ctrl) |
5e6e3a92 BZ |
291 | /* Response is not needed for sleep |
292 | confirm command */ | |
293 | adapter->ps_state = PS_STATE_SLEEP; | |
294 | else | |
295 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
296 | ||
aea0701e YAP |
297 | if (!sleep_cfm_buf->resp_ctrl && |
298 | (adapter->is_hs_configured && | |
299 | !adapter->sleep_period.period)) { | |
5e6e3a92 | 300 | adapter->pm_wakeup_card_req = true; |
aea0701e YAP |
301 | mwifiex_hs_activated_event(mwifiex_get_priv |
302 | (adapter, MWIFIEX_BSS_ROLE_STA), true); | |
5e6e3a92 BZ |
303 | } |
304 | } | |
305 | ||
306 | return ret; | |
307 | } | |
308 | ||
309 | /* | |
310 | * This function allocates the command buffers and links them to | |
311 | * the command free queue. | |
312 | * | |
313 | * The driver uses a pre allocated number of command buffers, which | |
314 | * are created at driver initializations and freed at driver cleanup. | |
315 | * Every command needs to obtain a command buffer from this pool before | |
316 | * it can be issued. The command free queue lists the command buffers | |
317 | * currently free to use, while the command pending queue lists the | |
318 | * command buffers already in use and awaiting handling. Command buffers | |
319 | * are returned to the free queue after use. | |
320 | */ | |
321 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
322 | { | |
323 | struct cmd_ctrl_node *cmd_array; | |
324 | u32 buf_size; | |
325 | u32 i; | |
326 | ||
327 | /* Allocate and initialize struct cmd_ctrl_node */ | |
328 | buf_size = sizeof(struct cmd_ctrl_node) * MWIFIEX_NUM_OF_CMD_BUFFER; | |
329 | cmd_array = kzalloc(buf_size, GFP_KERNEL); | |
330 | if (!cmd_array) { | |
331 | dev_err(adapter->dev, "%s: failed to alloc cmd_array\n", | |
aea0701e | 332 | __func__); |
b53575ec | 333 | return -ENOMEM; |
5e6e3a92 BZ |
334 | } |
335 | ||
336 | adapter->cmd_pool = cmd_array; | |
337 | memset(adapter->cmd_pool, 0, buf_size); | |
338 | ||
339 | /* Allocate and initialize command buffers */ | |
340 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
341 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
342 | if (!cmd_array[i].skb) { | |
343 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
344 | return -1; | |
345 | } | |
346 | } | |
347 | ||
348 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
349 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | /* | |
355 | * This function frees the command buffers. | |
356 | * | |
357 | * The function calls the completion callback for all the command | |
358 | * buffers that still have response buffers associated with them. | |
359 | */ | |
360 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
361 | { | |
362 | struct cmd_ctrl_node *cmd_array; | |
363 | u32 i; | |
364 | ||
365 | /* Need to check if cmd pool is allocated or not */ | |
366 | if (!adapter->cmd_pool) { | |
367 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
368 | return 0; | |
369 | } | |
370 | ||
371 | cmd_array = adapter->cmd_pool; | |
372 | ||
373 | /* Release shared memory buffers */ | |
374 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
375 | if (cmd_array[i].skb) { | |
376 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
377 | dev_kfree_skb_any(cmd_array[i].skb); | |
378 | } | |
379 | if (!cmd_array[i].resp_skb) | |
380 | continue; | |
4daffe35 AK |
381 | |
382 | if (adapter->iface_type == MWIFIEX_USB) | |
383 | adapter->if_ops.cmdrsp_complete(adapter, | |
384 | cmd_array[i].resp_skb); | |
385 | else | |
386 | dev_kfree_skb_any(cmd_array[i].resp_skb); | |
5e6e3a92 BZ |
387 | } |
388 | /* Release struct cmd_ctrl_node */ | |
389 | if (adapter->cmd_pool) { | |
390 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
391 | kfree(adapter->cmd_pool); | |
392 | adapter->cmd_pool = NULL; | |
393 | } | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | /* | |
399 | * This function handles events generated by firmware. | |
400 | * | |
401 | * Event body of events received from firmware are not used (though they are | |
402 | * saved), only the event ID is used. Some events are re-invoked by | |
403 | * the driver, with a new event body. | |
404 | * | |
405 | * After processing, the function calls the completion callback | |
406 | * for cleanup. | |
407 | */ | |
408 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
409 | { | |
270e58e8 | 410 | int ret; |
5e6e3a92 BZ |
411 | struct mwifiex_private *priv = |
412 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
413 | struct sk_buff *skb = adapter->event_skb; | |
414 | u32 eventcause = adapter->event_cause; | |
415 | struct timeval tstamp; | |
270e58e8 | 416 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
417 | |
418 | /* Save the last event to debug log */ | |
419 | adapter->dbg.last_event_index = | |
aea0701e | 420 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 421 | adapter->dbg.last_event[adapter->dbg.last_event_index] = |
aea0701e | 422 | (u16) eventcause; |
5e6e3a92 BZ |
423 | |
424 | /* Get BSS number and corresponding priv */ | |
425 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
426 | EVENT_GET_BSS_TYPE(eventcause)); | |
427 | if (!priv) | |
428 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
429 | /* Clear BSS_NO_BITS from event */ | |
430 | eventcause &= EVENT_ID_MASK; | |
431 | adapter->event_cause = eventcause; | |
432 | ||
433 | if (skb) { | |
434 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
9da9a3b2 YAP |
435 | rx_info->bss_num = priv->bss_num; |
436 | rx_info->bss_type = priv->bss_type; | |
5e6e3a92 BZ |
437 | } |
438 | ||
439 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
440 | do_gettimeofday(&tstamp); | |
441 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
aea0701e | 442 | tstamp.tv_sec, tstamp.tv_usec, eventcause); |
5e6e3a92 BZ |
443 | } |
444 | ||
445 | ret = mwifiex_process_sta_event(priv); | |
446 | ||
447 | adapter->event_cause = 0; | |
448 | adapter->event_skb = NULL; | |
d930faee | 449 | adapter->if_ops.event_complete(adapter, skb); |
5e6e3a92 BZ |
450 | |
451 | return ret; | |
452 | } | |
453 | ||
454 | /* | |
600f5d90 AK |
455 | * This function is used to send synchronous command to the firmware. |
456 | * | |
457 | * it allocates a wait queue for the command and wait for the command | |
458 | * response. | |
459 | */ | |
460 | int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, | |
461 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
462 | { | |
463 | int ret = 0; | |
464 | struct mwifiex_adapter *adapter = priv->adapter; | |
465 | ||
466 | adapter->cmd_wait_q_required = true; | |
600f5d90 AK |
467 | |
468 | ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, | |
469 | data_buf); | |
470 | if (!ret) | |
471 | ret = mwifiex_wait_queue_complete(adapter); | |
472 | ||
473 | return ret; | |
474 | } | |
475 | ||
476 | ||
477 | /* | |
478 | * This function prepares a command and asynchronously send it to the firmware. | |
5e6e3a92 BZ |
479 | * |
480 | * Preparation includes - | |
481 | * - Sanity tests to make sure the card is still present or the FW | |
482 | * is not reset | |
483 | * - Getting a new command node from the command free queue | |
484 | * - Initializing the command node for default parameters | |
485 | * - Fill up the non-default parameters and buffer pointers | |
486 | * - Add the command to pending queue | |
487 | */ | |
600f5d90 AK |
488 | int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, |
489 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
5e6e3a92 | 490 | { |
270e58e8 | 491 | int ret; |
5e6e3a92 | 492 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
493 | struct cmd_ctrl_node *cmd_node; |
494 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
495 | |
496 | if (!adapter) { | |
497 | pr_err("PREP_CMD: adapter is NULL\n"); | |
498 | return -1; | |
499 | } | |
500 | ||
501 | if (adapter->is_suspended) { | |
502 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
503 | return -1; | |
504 | } | |
505 | ||
506 | if (adapter->surprise_removed) { | |
507 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
508 | return -1; | |
509 | } | |
510 | ||
511 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { | |
512 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
513 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
514 | return -1; | |
515 | } | |
516 | } | |
517 | ||
518 | /* Get a new command node */ | |
519 | cmd_node = mwifiex_get_cmd_node(adapter); | |
520 | ||
521 | if (!cmd_node) { | |
522 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
523 | return -1; | |
524 | } | |
525 | ||
526 | /* Initialize the command node */ | |
600f5d90 | 527 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf); |
5e6e3a92 BZ |
528 | |
529 | if (!cmd_node->cmd_skb) { | |
530 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
531 | return -1; | |
532 | } | |
533 | ||
534 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
535 | 0, sizeof(struct host_cmd_ds_command)); | |
536 | ||
537 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
538 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
539 | cmd_ptr->result = 0; | |
540 | ||
541 | /* Prepare command */ | |
542 | if (cmd_no) { | |
543 | ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, | |
544 | cmd_oid, data_buf, cmd_ptr); | |
545 | } else { | |
546 | ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); | |
547 | cmd_node->cmd_flag |= CMD_F_HOSTCMD; | |
548 | } | |
549 | ||
550 | /* Return error, since the command preparation failed */ | |
551 | if (ret) { | |
552 | dev_err(adapter->dev, "PREP_CMD: cmd %#x preparation failed\n", | |
aea0701e | 553 | cmd_no); |
5e6e3a92 BZ |
554 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
555 | return -1; | |
556 | } | |
557 | ||
558 | /* Send command */ | |
efaaa8b8 | 559 | if (cmd_no == HostCmd_CMD_802_11_SCAN) { |
5e6e3a92 | 560 | mwifiex_queue_scan_cmd(priv, cmd_node); |
efaaa8b8 AK |
561 | } else { |
562 | adapter->cmd_queued = cmd_node; | |
5e6e3a92 | 563 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); |
efaaa8b8 | 564 | } |
5e6e3a92 BZ |
565 | |
566 | return ret; | |
567 | } | |
568 | ||
569 | /* | |
570 | * This function returns a command to the command free queue. | |
571 | * | |
572 | * The function also calls the completion callback if required, before | |
573 | * cleaning the command node and re-inserting it into the free queue. | |
574 | */ | |
575 | void | |
576 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
577 | struct cmd_ctrl_node *cmd_node) | |
578 | { | |
5e6e3a92 BZ |
579 | unsigned long flags; |
580 | ||
19a89860 | 581 | if (!cmd_node) |
5e6e3a92 | 582 | return; |
600f5d90 AK |
583 | |
584 | if (cmd_node->wait_q_enabled) | |
efaaa8b8 | 585 | mwifiex_complete_cmd(adapter, cmd_node); |
5e6e3a92 BZ |
586 | /* Clean the node */ |
587 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
588 | ||
589 | /* Insert node into cmd_free_q */ | |
590 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
591 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
592 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
593 | } |
594 | ||
595 | /* | |
596 | * This function queues a command to the command pending queue. | |
597 | * | |
598 | * This in effect adds the command to the command list to be executed. | |
599 | * Exit PS command is handled specially, by placing it always to the | |
600 | * front of the command queue. | |
601 | */ | |
602 | void | |
603 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
604 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
605 | { | |
606 | struct host_cmd_ds_command *host_cmd = NULL; | |
607 | u16 command; | |
608 | unsigned long flags; | |
609 | ||
610 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
611 | if (!host_cmd) { | |
612 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
613 | return; | |
614 | } | |
615 | ||
616 | command = le16_to_cpu(host_cmd->command); | |
617 | ||
618 | /* Exit_PS command needs to be queued in the header always. */ | |
619 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
620 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
aea0701e YAP |
621 | &host_cmd->params.psmode_enh; |
622 | if ((le16_to_cpu(pm->action) == DIS_PS) || | |
623 | (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
5e6e3a92 BZ |
624 | if (adapter->ps_state != PS_STATE_AWAKE) |
625 | add_tail = false; | |
626 | } | |
627 | } | |
628 | ||
629 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
630 | if (add_tail) | |
631 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
632 | else | |
633 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
634 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
635 | ||
636 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command); | |
5e6e3a92 BZ |
637 | } |
638 | ||
639 | /* | |
640 | * This function executes the next command in command pending queue. | |
641 | * | |
642 | * This function will fail if a command is already in processing stage, | |
643 | * otherwise it will dequeue the first command from the command pending | |
644 | * queue and send to the firmware. | |
645 | * | |
646 | * If the device is currently in host sleep mode, any commands, except the | |
647 | * host sleep configuration command will de-activate the host sleep. For PS | |
648 | * mode, the function will put the firmware back to sleep if applicable. | |
649 | */ | |
650 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
651 | { | |
270e58e8 YAP |
652 | struct mwifiex_private *priv; |
653 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
654 | int ret = 0; |
655 | struct host_cmd_ds_command *host_cmd; | |
656 | unsigned long cmd_flags; | |
657 | unsigned long cmd_pending_q_flags; | |
658 | ||
659 | /* Check if already in processing */ | |
660 | if (adapter->curr_cmd) { | |
661 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
662 | return -1; | |
663 | } | |
664 | ||
665 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
666 | /* Check if any command is pending */ | |
667 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
668 | if (list_empty(&adapter->cmd_pending_q)) { | |
669 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
670 | cmd_pending_q_flags); | |
671 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
672 | return 0; | |
673 | } | |
674 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
675 | struct cmd_ctrl_node, list); | |
676 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
677 | cmd_pending_q_flags); | |
678 | ||
679 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
680 | priv = cmd_node->priv; | |
681 | ||
682 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
683 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
684 | " this should not happen\n", __func__); | |
685 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
686 | return ret; | |
687 | } | |
688 | ||
689 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
690 | list_del(&cmd_node->list); | |
691 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
692 | cmd_pending_q_flags); | |
693 | ||
694 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
695 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
696 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
697 | /* Any command sent to the firmware when host is in sleep | |
698 | * mode should de-configure host sleep. We should skip the | |
699 | * host sleep configuration command itself though | |
700 | */ | |
701 | if (priv && (host_cmd->command != | |
702 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
703 | if (adapter->hs_activated) { | |
704 | adapter->is_hs_configured = false; | |
705 | mwifiex_hs_activated_event(priv, false); | |
706 | } | |
707 | } | |
708 | ||
709 | return ret; | |
710 | } | |
711 | ||
712 | /* | |
713 | * This function handles the command response. | |
714 | * | |
715 | * After processing, the function cleans the command node and puts | |
716 | * it back to the command free queue. | |
717 | */ | |
718 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
719 | { | |
270e58e8 | 720 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
721 | struct mwifiex_private *priv = |
722 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
723 | int ret = 0; | |
724 | uint16_t orig_cmdresp_no; | |
725 | uint16_t cmdresp_no; | |
726 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
727 | struct timeval tstamp; |
728 | unsigned long flags; | |
729 | ||
730 | /* Now we got response from FW, cancel the command timer */ | |
731 | del_timer(&adapter->cmd_timer); | |
732 | ||
733 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
734 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
735 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
aea0701e | 736 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
737 | return -1; |
738 | } | |
739 | ||
5e6e3a92 BZ |
740 | adapter->num_cmd_timeout = 0; |
741 | ||
742 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
743 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
744 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
aea0701e | 745 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
746 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); |
747 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
748 | adapter->curr_cmd = NULL; | |
749 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
750 | return -1; | |
751 | } | |
752 | ||
753 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
754 | /* Copy original response back to response buffer */ | |
a5ffddb7 | 755 | struct mwifiex_ds_misc_cmd *hostcmd; |
5e6e3a92 BZ |
756 | uint16_t size = le16_to_cpu(resp->size); |
757 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
758 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
759 | if (adapter->curr_cmd->data_buf) { | |
a5ffddb7 | 760 | hostcmd = adapter->curr_cmd->data_buf; |
5e6e3a92 | 761 | hostcmd->len = size; |
a5ffddb7 | 762 | memcpy(hostcmd->cmd, resp, size); |
5e6e3a92 BZ |
763 | } |
764 | } | |
765 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
766 | ||
767 | /* Get BSS number and corresponding priv */ | |
768 | priv = mwifiex_get_priv_by_id(adapter, | |
aea0701e YAP |
769 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), |
770 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
5e6e3a92 BZ |
771 | if (!priv) |
772 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
773 | /* Clear RET_BIT from HostCmd */ | |
774 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
775 | ||
776 | cmdresp_no = le16_to_cpu(resp->command); | |
777 | cmdresp_result = le16_to_cpu(resp->result); | |
778 | ||
779 | /* Save the last command response to debug log */ | |
780 | adapter->dbg.last_cmd_resp_index = | |
aea0701e | 781 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 782 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = |
aea0701e | 783 | orig_cmdresp_no; |
5e6e3a92 BZ |
784 | |
785 | do_gettimeofday(&tstamp); | |
786 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
787 | " len %d, seqno 0x%x\n", | |
788 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
789 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
790 | ||
791 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
792 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
793 | if (adapter->curr_cmd->wait_q_enabled) |
794 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 BZ |
795 | |
796 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
797 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
798 | adapter->curr_cmd = NULL; | |
799 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
800 | return -1; | |
801 | } | |
802 | ||
803 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
804 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
aea0701e YAP |
805 | if ((cmdresp_result == HostCmd_RESULT_OK) && |
806 | (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
5e6e3a92 BZ |
807 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); |
808 | } else { | |
809 | /* handle response */ | |
600f5d90 | 810 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
811 | } |
812 | ||
813 | /* Check init command response */ | |
814 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
a0f6d6ca | 815 | if (ret) { |
5e6e3a92 BZ |
816 | dev_err(adapter->dev, "%s: cmd %#x failed during " |
817 | "initialization\n", __func__, cmdresp_no); | |
818 | mwifiex_init_fw_complete(adapter); | |
819 | return -1; | |
820 | } else if (adapter->last_init_cmd == cmdresp_no) | |
821 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
822 | } | |
823 | ||
824 | if (adapter->curr_cmd) { | |
a0f6d6ca AK |
825 | if (adapter->curr_cmd->wait_q_enabled) |
826 | adapter->cmd_wait_q.status = ret; | |
5e6e3a92 BZ |
827 | |
828 | /* Clean up and put current command back to cmd_free_q */ | |
829 | mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); | |
830 | ||
831 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
832 | adapter->curr_cmd = NULL; | |
833 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
834 | } | |
835 | ||
836 | return ret; | |
837 | } | |
838 | ||
839 | /* | |
840 | * This function handles the timeout of command sending. | |
841 | * | |
842 | * It will re-send the same command again. | |
843 | */ | |
844 | void | |
845 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
846 | { | |
847 | struct mwifiex_adapter *adapter = | |
848 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 849 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
850 | struct timeval tstamp; |
851 | ||
852 | adapter->num_cmd_timeout++; | |
853 | adapter->dbg.num_cmd_timeout++; | |
854 | if (!adapter->curr_cmd) { | |
855 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
856 | return; | |
857 | } | |
858 | cmd_node = adapter->curr_cmd; | |
600f5d90 AK |
859 | if (cmd_node->wait_q_enabled) |
860 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
5e6e3a92 BZ |
861 | |
862 | if (cmd_node) { | |
863 | adapter->dbg.timeout_cmd_id = | |
864 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
865 | adapter->dbg.timeout_cmd_act = | |
866 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
867 | do_gettimeofday(&tstamp); | |
aea0701e YAP |
868 | dev_err(adapter->dev, |
869 | "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n", | |
870 | __func__, tstamp.tv_sec, tstamp.tv_usec, | |
871 | adapter->dbg.timeout_cmd_id, | |
872 | adapter->dbg.timeout_cmd_act); | |
5e6e3a92 BZ |
873 | |
874 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
aea0701e | 875 | adapter->dbg.num_tx_host_to_card_failure); |
5e6e3a92 | 876 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", |
aea0701e | 877 | adapter->dbg.num_cmd_host_to_card_failure); |
5e6e3a92 BZ |
878 | |
879 | dev_err(adapter->dev, "num_cmd_timeout = %d\n", | |
aea0701e | 880 | adapter->dbg.num_cmd_timeout); |
5e6e3a92 | 881 | dev_err(adapter->dev, "num_tx_timeout = %d\n", |
aea0701e | 882 | adapter->dbg.num_tx_timeout); |
5e6e3a92 BZ |
883 | |
884 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
aea0701e | 885 | adapter->dbg.last_cmd_index); |
5e6e3a92 | 886 | print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET, |
aea0701e | 887 | adapter->dbg.last_cmd_id, DBG_CMD_NUM); |
5e6e3a92 | 888 | print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET, |
aea0701e | 889 | adapter->dbg.last_cmd_act, DBG_CMD_NUM); |
5e6e3a92 BZ |
890 | |
891 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
aea0701e | 892 | adapter->dbg.last_cmd_resp_index); |
5e6e3a92 | 893 | print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET, |
aea0701e YAP |
894 | adapter->dbg.last_cmd_resp_id, |
895 | DBG_CMD_NUM); | |
5e6e3a92 BZ |
896 | |
897 | dev_err(adapter->dev, "last_event_index = %d\n", | |
aea0701e | 898 | adapter->dbg.last_event_index); |
5e6e3a92 | 899 | print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET, |
aea0701e | 900 | adapter->dbg.last_event, DBG_CMD_NUM); |
5e6e3a92 BZ |
901 | |
902 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
aea0701e | 903 | adapter->data_sent, adapter->cmd_sent); |
5e6e3a92 BZ |
904 | |
905 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
aea0701e | 906 | adapter->ps_mode, adapter->ps_state); |
5e6e3a92 BZ |
907 | } |
908 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
909 | mwifiex_init_fw_complete(adapter); | |
5e6e3a92 BZ |
910 | } |
911 | ||
912 | /* | |
913 | * This function cancels all the pending commands. | |
914 | * | |
915 | * The current command, all commands in command pending queue and all scan | |
916 | * commands in scan pending queue are cancelled. All the completion callbacks | |
917 | * are called with failure status to ensure cleanup. | |
918 | */ | |
919 | void | |
920 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
921 | { | |
270e58e8 | 922 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
5e6e3a92 BZ |
923 | unsigned long flags; |
924 | ||
925 | /* Cancel current cmd */ | |
600f5d90 | 926 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 | 927 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 928 | adapter->curr_cmd->wait_q_enabled = false; |
5e6e3a92 | 929 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 930 | adapter->cmd_wait_q.status = -1; |
efaaa8b8 | 931 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
932 | } |
933 | /* Cancel all pending command */ | |
934 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
935 | list_for_each_entry_safe(cmd_node, tmp_node, | |
936 | &adapter->cmd_pending_q, list) { | |
937 | list_del(&cmd_node->list); | |
938 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
939 | ||
600f5d90 AK |
940 | if (cmd_node->wait_q_enabled) { |
941 | adapter->cmd_wait_q.status = -1; | |
efaaa8b8 | 942 | mwifiex_complete_cmd(adapter, cmd_node); |
600f5d90 | 943 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
944 | } |
945 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
946 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
947 | } | |
948 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
949 | ||
950 | /* Cancel all pending scan command */ | |
951 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
952 | list_for_each_entry_safe(cmd_node, tmp_node, | |
953 | &adapter->scan_pending_q, list) { | |
954 | list_del(&cmd_node->list); | |
955 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
956 | ||
600f5d90 | 957 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
958 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
959 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
960 | } | |
961 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
962 | ||
963 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
964 | adapter->scan_processing = false; | |
965 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
966 | } | |
967 | ||
968 | /* | |
969 | * This function cancels all pending commands that matches with | |
970 | * the given IOCTL request. | |
971 | * | |
972 | * Both the current command buffer and the pending command queue are | |
973 | * searched for matching IOCTL request. The completion callback of | |
974 | * the matched command is called with failure status to ensure cleanup. | |
975 | * In case of scan commands, all pending commands in scan pending queue | |
976 | * are cancelled. | |
977 | */ | |
978 | void | |
600f5d90 | 979 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
980 | { |
981 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
982 | unsigned long cmd_flags; | |
5e6e3a92 BZ |
983 | unsigned long scan_pending_q_flags; |
984 | uint16_t cancel_scan_cmd = false; | |
985 | ||
986 | if ((adapter->curr_cmd) && | |
aea0701e | 987 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
988 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
989 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 990 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 991 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
5e6e3a92 | 992 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
51e708c1 YAP |
993 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
994 | adapter->curr_cmd = NULL; | |
600f5d90 | 995 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 996 | } |
600f5d90 | 997 | |
5e6e3a92 BZ |
998 | /* Cancel all pending scan command */ |
999 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1000 | scan_pending_q_flags); | |
1001 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1002 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
1003 | list_del(&cmd_node->list); |
1004 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1005 | scan_pending_q_flags); | |
1006 | cmd_node->wait_q_enabled = false; | |
1007 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
1008 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1009 | scan_pending_q_flags); | |
1010 | cancel_scan_cmd = true; | |
5e6e3a92 BZ |
1011 | } |
1012 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1013 | scan_pending_q_flags); | |
1014 | ||
1015 | if (cancel_scan_cmd) { | |
1016 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1017 | adapter->scan_processing = false; | |
1018 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1019 | } | |
600f5d90 | 1020 | adapter->cmd_wait_q.status = -1; |
5e6e3a92 BZ |
1021 | } |
1022 | ||
1023 | /* | |
1024 | * This function sends the sleep confirm command to firmware, if | |
1025 | * possible. | |
1026 | * | |
1027 | * The sleep confirm command cannot be issued if command response, | |
1028 | * data response or event response is awaiting handling, or if we | |
1029 | * are in the middle of sending a command, or expecting a command | |
1030 | * response. | |
1031 | */ | |
1032 | void | |
1033 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
1034 | { | |
1035 | if (!adapter->cmd_sent && | |
1036 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
1037 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
1038 | else | |
1039 | dev_dbg(adapter->dev, | |
1040 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
aea0701e YAP |
1041 | (adapter->cmd_sent) ? "D" : "", |
1042 | (adapter->curr_cmd) ? "C" : "", | |
1043 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
5e6e3a92 BZ |
1044 | } |
1045 | ||
1046 | /* | |
1047 | * This function sends a Host Sleep activated event to applications. | |
1048 | * | |
1049 | * This event is generated by the driver, with a blank event body. | |
1050 | */ | |
1051 | void | |
1052 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1053 | { | |
1054 | if (activated) { | |
1055 | if (priv->adapter->is_hs_configured) { | |
1056 | priv->adapter->hs_activated = true; | |
1057 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); | |
1058 | priv->adapter->hs_activate_wait_q_woken = true; | |
1059 | wake_up_interruptible( | |
1060 | &priv->adapter->hs_activate_wait_q); | |
1061 | } else { | |
1062 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1063 | } | |
1064 | } else { | |
1065 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1066 | priv->adapter->hs_activated = false; | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * This function handles the command response of a Host Sleep configuration | |
1072 | * command. | |
1073 | * | |
1074 | * Handling includes changing the header fields into CPU format | |
1075 | * and setting the current host sleep activation status in driver. | |
1076 | * | |
1077 | * In case host sleep status change, the function generates an event to | |
1078 | * notify the applications. | |
1079 | */ | |
1080 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1081 | struct host_cmd_ds_command *resp) | |
1082 | { | |
1083 | struct mwifiex_adapter *adapter = priv->adapter; | |
1084 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1085 | &resp->params.opt_hs_cfg; | |
1086 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1087 | ||
1088 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE)) { | |
1089 | mwifiex_hs_activated_event(priv, true); | |
1090 | return 0; | |
1091 | } else { | |
1092 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1093 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1094 | resp->result, conditions, | |
aea0701e YAP |
1095 | phs_cfg->params.hs_config.gpio, |
1096 | phs_cfg->params.hs_config.gap); | |
5e6e3a92 BZ |
1097 | } |
1098 | if (conditions != HOST_SLEEP_CFG_CANCEL) { | |
1099 | adapter->is_hs_configured = true; | |
1100 | } else { | |
1101 | adapter->is_hs_configured = false; | |
1102 | if (adapter->hs_activated) | |
1103 | mwifiex_hs_activated_event(priv, false); | |
1104 | } | |
1105 | ||
1106 | return 0; | |
1107 | } | |
1108 | ||
1109 | /* | |
1110 | * This function wakes up the adapter and generates a Host Sleep | |
1111 | * cancel event on receiving the power up interrupt. | |
1112 | */ | |
1113 | void | |
1114 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1115 | { | |
1116 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1117 | " since there is interrupt from the firmware\n", __func__); | |
1118 | ||
1119 | adapter->if_ops.wakeup(adapter); | |
1120 | adapter->hs_activated = false; | |
1121 | adapter->is_hs_configured = false; | |
1122 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
aea0701e YAP |
1123 | MWIFIEX_BSS_ROLE_ANY), |
1124 | false); | |
5e6e3a92 | 1125 | } |
4daffe35 | 1126 | EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); |
5e6e3a92 BZ |
1127 | |
1128 | /* | |
1129 | * This function handles the command response of a sleep confirm command. | |
1130 | * | |
1131 | * The function sets the card state to SLEEP if the response indicates success. | |
1132 | */ | |
1133 | void | |
1134 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1135 | u8 *pbuf, u32 upld_len) | |
1136 | { | |
1137 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1138 | struct mwifiex_private *priv = | |
1139 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1140 | uint16_t result = le16_to_cpu(cmd->result); | |
1141 | uint16_t command = le16_to_cpu(cmd->command); | |
1142 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1143 | ||
1144 | if (!upld_len) { | |
1145 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1146 | return; | |
1147 | } | |
1148 | ||
1149 | /* Get BSS number and corresponding priv */ | |
1150 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1151 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1152 | if (!priv) | |
1153 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1154 | ||
1155 | /* Update sequence number */ | |
1156 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1157 | /* Clear RET_BIT from HostCmd */ | |
1158 | command &= HostCmd_CMD_ID_MASK; | |
1159 | ||
1160 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
aea0701e YAP |
1161 | dev_err(adapter->dev, |
1162 | "%s: rcvd unexpected resp for cmd %#x, result = %x\n", | |
1163 | __func__, command, result); | |
5e6e3a92 BZ |
1164 | return; |
1165 | } | |
1166 | ||
1167 | if (result) { | |
1168 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
aea0701e | 1169 | __func__); |
5e6e3a92 BZ |
1170 | adapter->pm_wakeup_card_req = false; |
1171 | adapter->ps_state = PS_STATE_AWAKE; | |
1172 | return; | |
1173 | } | |
1174 | adapter->pm_wakeup_card_req = true; | |
1175 | if (adapter->is_hs_configured) | |
aea0701e YAP |
1176 | mwifiex_hs_activated_event(mwifiex_get_priv |
1177 | (adapter, MWIFIEX_BSS_ROLE_ANY), | |
1178 | true); | |
5e6e3a92 BZ |
1179 | adapter->ps_state = PS_STATE_SLEEP; |
1180 | cmd->command = cpu_to_le16(command); | |
1181 | cmd->seq_num = cpu_to_le16(seq_num); | |
1182 | } | |
1183 | EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); | |
1184 | ||
1185 | /* | |
1186 | * This function prepares an enhanced power mode command. | |
1187 | * | |
1188 | * This function can be used to disable power save or to configure | |
1189 | * power save with auto PS or STA PS or auto deep sleep. | |
1190 | * | |
1191 | * Preparation includes - | |
1192 | * - Setting command ID, action and proper size | |
1193 | * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, | |
1194 | * auto deep sleep TLV (as required) | |
1195 | * - Ensuring correct endian-ness | |
1196 | */ | |
1197 | int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, | |
1198 | struct host_cmd_ds_command *cmd, | |
1199 | u16 cmd_action, uint16_t ps_bitmap, | |
a5ffddb7 | 1200 | struct mwifiex_ds_auto_ds *auto_ds) |
5e6e3a92 BZ |
1201 | { |
1202 | struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = | |
1203 | &cmd->params.psmode_enh; | |
270e58e8 | 1204 | u8 *tlv; |
5e6e3a92 BZ |
1205 | u16 cmd_size = 0; |
1206 | ||
1207 | cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
1208 | if (cmd_action == DIS_AUTO_PS) { | |
1209 | psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); | |
1210 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1211 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1212 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1213 | } else if (cmd_action == GET_PS) { |
1214 | psmode_enh->action = cpu_to_le16(GET_PS); | |
1215 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1216 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1217 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1218 | } else if (cmd_action == EN_AUTO_PS) { |
1219 | psmode_enh->action = cpu_to_le16(EN_AUTO_PS); | |
2b06bdbe MY |
1220 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); |
1221 | cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + | |
aea0701e | 1222 | sizeof(psmode_enh->params.ps_bitmap); |
5e6e3a92 BZ |
1223 | tlv = (u8 *) cmd + cmd_size; |
1224 | if (ps_bitmap & BITMAP_STA_PS) { | |
1225 | struct mwifiex_adapter *adapter = priv->adapter; | |
1226 | struct mwifiex_ie_types_ps_param *ps_tlv = | |
1227 | (struct mwifiex_ie_types_ps_param *) tlv; | |
1228 | struct mwifiex_ps_param *ps_mode = &ps_tlv->param; | |
1229 | ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); | |
1230 | ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - | |
1231 | sizeof(struct mwifiex_ie_types_header)); | |
1232 | cmd_size += sizeof(*ps_tlv); | |
1233 | tlv += sizeof(*ps_tlv); | |
1234 | dev_dbg(adapter->dev, "cmd: PS Command: Enter PS\n"); | |
1235 | ps_mode->null_pkt_interval = | |
aea0701e | 1236 | cpu_to_le16(adapter->null_pkt_interval); |
5e6e3a92 | 1237 | ps_mode->multiple_dtims = |
aea0701e | 1238 | cpu_to_le16(adapter->multiple_dtim); |
5e6e3a92 | 1239 | ps_mode->bcn_miss_timeout = |
aea0701e | 1240 | cpu_to_le16(adapter->bcn_miss_time_out); |
5e6e3a92 BZ |
1241 | ps_mode->local_listen_interval = |
1242 | cpu_to_le16(adapter->local_listen_interval); | |
1243 | ps_mode->adhoc_wake_period = | |
1244 | cpu_to_le16(adapter->adhoc_awake_period); | |
1245 | ps_mode->delay_to_ps = | |
aea0701e YAP |
1246 | cpu_to_le16(adapter->delay_to_ps); |
1247 | ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); | |
5e6e3a92 BZ |
1248 | |
1249 | } | |
1250 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
2b06bdbe | 1251 | struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = |
5e6e3a92 | 1252 | (struct mwifiex_ie_types_auto_ds_param *) tlv; |
5e6e3a92 | 1253 | u16 idletime = 0; |
2b06bdbe MY |
1254 | |
1255 | auto_ds_tlv->header.type = | |
5e6e3a92 | 1256 | cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); |
2b06bdbe MY |
1257 | auto_ds_tlv->header.len = |
1258 | cpu_to_le16(sizeof(*auto_ds_tlv) - | |
5e6e3a92 | 1259 | sizeof(struct mwifiex_ie_types_header)); |
2b06bdbe MY |
1260 | cmd_size += sizeof(*auto_ds_tlv); |
1261 | tlv += sizeof(*auto_ds_tlv); | |
a5ffddb7 AK |
1262 | if (auto_ds) |
1263 | idletime = auto_ds->idle_time; | |
5e6e3a92 | 1264 | dev_dbg(priv->adapter->dev, |
aea0701e | 1265 | "cmd: PS Command: Enter Auto Deep Sleep\n"); |
2b06bdbe | 1266 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1267 | } |
1268 | cmd->size = cpu_to_le16(cmd_size); | |
1269 | } | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | /* | |
1274 | * This function handles the command response of an enhanced power mode | |
1275 | * command. | |
1276 | * | |
1277 | * Handling includes changing the header fields into CPU format | |
1278 | * and setting the current enhanced power mode in driver. | |
1279 | */ | |
1280 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1281 | struct host_cmd_ds_command *resp, | |
a5ffddb7 | 1282 | struct mwifiex_ds_pm_cfg *pm_cfg) |
5e6e3a92 BZ |
1283 | { |
1284 | struct mwifiex_adapter *adapter = priv->adapter; | |
1285 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1286 | &resp->params.psmode_enh; | |
1287 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1288 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1289 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1290 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 | 1291 | |
aea0701e YAP |
1292 | dev_dbg(adapter->dev, |
1293 | "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1294 | __func__, resp->result, action); | |
5e6e3a92 BZ |
1295 | if (action == EN_AUTO_PS) { |
1296 | if (auto_ps_bitmap & BITMAP_AUTO_DS) { | |
1297 | dev_dbg(adapter->dev, "cmd: Enabled auto deep sleep\n"); | |
1298 | priv->adapter->is_deep_sleep = true; | |
1299 | } | |
1300 | if (auto_ps_bitmap & BITMAP_STA_PS) { | |
1301 | dev_dbg(adapter->dev, "cmd: Enabled STA power save\n"); | |
1302 | if (adapter->sleep_period.period) | |
aea0701e YAP |
1303 | dev_dbg(adapter->dev, |
1304 | "cmd: set to uapsd/pps mode\n"); | |
5e6e3a92 BZ |
1305 | } |
1306 | } else if (action == DIS_AUTO_PS) { | |
1307 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
1308 | priv->adapter->is_deep_sleep = false; | |
1309 | dev_dbg(adapter->dev, "cmd: Disabled auto deep sleep\n"); | |
1310 | } | |
1311 | if (ps_bitmap & BITMAP_STA_PS) { | |
1312 | dev_dbg(adapter->dev, "cmd: Disabled STA power save\n"); | |
1313 | if (adapter->sleep_period.period) { | |
1314 | adapter->delay_null_pkt = false; | |
1315 | adapter->tx_lock_flag = false; | |
1316 | adapter->pps_uapsd_mode = false; | |
1317 | } | |
1318 | } | |
1319 | } else if (action == GET_PS) { | |
2b06bdbe | 1320 | if (ps_bitmap & BITMAP_STA_PS) |
5e6e3a92 BZ |
1321 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
1322 | else | |
1323 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
1324 | ||
1325 | dev_dbg(adapter->dev, "cmd: ps_bitmap=%#x\n", ps_bitmap); | |
1326 | ||
a5ffddb7 | 1327 | if (pm_cfg) { |
5e6e3a92 | 1328 | /* This section is for get power save mode */ |
5e6e3a92 BZ |
1329 | if (ps_bitmap & BITMAP_STA_PS) |
1330 | pm_cfg->param.ps_mode = 1; | |
1331 | else | |
1332 | pm_cfg->param.ps_mode = 0; | |
1333 | } | |
1334 | } | |
1335 | return 0; | |
1336 | } | |
1337 | ||
1338 | /* | |
1339 | * This function prepares command to get hardware specifications. | |
1340 | * | |
1341 | * Preparation includes - | |
1342 | * - Setting command ID, action and proper size | |
1343 | * - Setting permanent address parameter | |
1344 | * - Ensuring correct endian-ness | |
1345 | */ | |
1346 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1347 | struct host_cmd_ds_command *cmd) | |
1348 | { | |
1349 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1350 | ||
1351 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1352 | cmd->size = | |
1353 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1354 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1355 | ||
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | /* | |
1360 | * This function handles the command response of get hardware | |
1361 | * specifications. | |
1362 | * | |
1363 | * Handling includes changing the header fields into CPU format | |
1364 | * and saving/updating the following parameters in driver - | |
1365 | * - Firmware capability information | |
1366 | * - Firmware band settings | |
1367 | * - Ad-hoc start band and channel | |
1368 | * - Ad-hoc 11n activation status | |
1369 | * - Firmware release number | |
1370 | * - Number of antennas | |
1371 | * - Hardware address | |
1372 | * - Hardware interface version | |
1373 | * - Firmware version | |
1374 | * - Region code | |
1375 | * - 11n capabilities | |
1376 | * - MCS support fields | |
1377 | * - MP end port | |
1378 | */ | |
1379 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1380 | struct host_cmd_ds_command *resp) | |
1381 | { | |
1382 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1383 | struct mwifiex_adapter *adapter = priv->adapter; | |
1384 | int i; | |
1385 | ||
1386 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1387 | ||
1388 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1389 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1390 | else | |
1391 | adapter->fw_bands = BAND_B; | |
1392 | ||
1393 | adapter->config_bands = adapter->fw_bands; | |
1394 | ||
1395 | if (adapter->fw_bands & BAND_A) { | |
1396 | if (adapter->fw_bands & BAND_GN) { | |
1397 | adapter->config_bands |= BAND_AN; | |
1398 | adapter->fw_bands |= BAND_AN; | |
1399 | } | |
1400 | if (adapter->fw_bands & BAND_AN) { | |
1401 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1402 | adapter->adhoc_11n_enabled = true; | |
1403 | } else { | |
1404 | adapter->adhoc_start_band = BAND_A; | |
1405 | } | |
1406 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1407 | } else if (adapter->fw_bands & BAND_GN) { | |
1408 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1409 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1410 | adapter->adhoc_11n_enabled = true; | |
1411 | } else if (adapter->fw_bands & BAND_G) { | |
1412 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1413 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1414 | } else if (adapter->fw_bands & BAND_B) { | |
1415 | adapter->adhoc_start_band = BAND_B; | |
1416 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1417 | } | |
1418 | ||
1419 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
1420 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); | |
1421 | ||
1422 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", | |
aea0701e | 1423 | adapter->fw_release_number); |
5e6e3a92 | 1424 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", |
aea0701e YAP |
1425 | hw_spec->permanent_addr); |
1426 | dev_dbg(adapter->dev, | |
1427 | "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
5e6e3a92 | 1428 | le16_to_cpu(hw_spec->hw_if_version), |
aea0701e | 1429 | le16_to_cpu(hw_spec->version)); |
5e6e3a92 BZ |
1430 | |
1431 | if (priv->curr_addr[0] == 0xff) | |
1432 | memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); | |
1433 | ||
1434 | adapter->region_code = le16_to_cpu(hw_spec->region_code); | |
1435 | ||
1436 | for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) | |
1437 | /* Use the region code to search for the index */ | |
1438 | if (adapter->region_code == region_code_index[i]) | |
1439 | break; | |
1440 | ||
1441 | /* If it's unidentified region code, use the default (USA) */ | |
1442 | if (i >= MWIFIEX_MAX_REGION_CODE) { | |
1443 | adapter->region_code = 0x10; | |
aea0701e YAP |
1444 | dev_dbg(adapter->dev, |
1445 | "cmd: unknown region code, use default (USA)\n"); | |
5e6e3a92 BZ |
1446 | } |
1447 | ||
1448 | adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); | |
5e6e3a92 | 1449 | adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; |
5e6e3a92 BZ |
1450 | |
1451 | if (adapter->if_ops.update_mp_end_port) | |
1452 | adapter->if_ops.update_mp_end_port(adapter, | |
1453 | le16_to_cpu(hw_spec->mp_end_port)); | |
1454 | ||
1455 | return 0; | |
1456 | } |