Commit | Line | Data |
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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" | |
a5f39056 | 27 | #include "11ac.h" |
5e6e3a92 BZ |
28 | |
29 | /* | |
30 | * This function initializes a command node. | |
31 | * | |
32 | * The actual allocation of the node is not done by this function. It only | |
33 | * initiates a node by filling it with default parameters. Similarly, | |
34 | * allocation of the different buffers used (IOCTL buffer, data buffer) are | |
35 | * not done by this function either. | |
36 | */ | |
37 | static void | |
38 | mwifiex_init_cmd_node(struct mwifiex_private *priv, | |
39 | struct cmd_ctrl_node *cmd_node, | |
600f5d90 | 40 | u32 cmd_oid, void *data_buf) |
5e6e3a92 BZ |
41 | { |
42 | cmd_node->priv = priv; | |
43 | cmd_node->cmd_oid = cmd_oid; | |
efaaa8b8 AK |
44 | if (priv->adapter->cmd_wait_q_required) { |
45 | cmd_node->wait_q_enabled = priv->adapter->cmd_wait_q_required; | |
46 | priv->adapter->cmd_wait_q_required = false; | |
47 | cmd_node->cmd_wait_q_woken = false; | |
48 | cmd_node->condition = &cmd_node->cmd_wait_q_woken; | |
49 | } | |
5e6e3a92 BZ |
50 | cmd_node->data_buf = data_buf; |
51 | cmd_node->cmd_skb = cmd_node->skb; | |
52 | } | |
53 | ||
54 | /* | |
55 | * This function returns a command node from the free queue depending upon | |
56 | * availability. | |
57 | */ | |
58 | static struct cmd_ctrl_node * | |
59 | mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) | |
60 | { | |
61 | struct cmd_ctrl_node *cmd_node; | |
62 | unsigned long flags; | |
63 | ||
64 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
65 | if (list_empty(&adapter->cmd_free_q)) { | |
66 | dev_err(adapter->dev, "GET_CMD_NODE: cmd node not available\n"); | |
67 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
68 | return NULL; | |
69 | } | |
70 | cmd_node = list_first_entry(&adapter->cmd_free_q, | |
aea0701e | 71 | struct cmd_ctrl_node, list); |
5e6e3a92 BZ |
72 | list_del(&cmd_node->list); |
73 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
74 | ||
75 | return cmd_node; | |
76 | } | |
77 | ||
78 | /* | |
79 | * This function cleans up a command node. | |
80 | * | |
81 | * The function resets the fields including the buffer pointers. | |
82 | * This function does not try to free the buffers. They must be | |
83 | * freed before calling this function. | |
84 | * | |
85 | * This function will however call the receive completion callback | |
86 | * in case a response buffer is still available before resetting | |
87 | * the pointer. | |
88 | */ | |
89 | static void | |
90 | mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, | |
91 | struct cmd_ctrl_node *cmd_node) | |
92 | { | |
93 | cmd_node->cmd_oid = 0; | |
94 | cmd_node->cmd_flag = 0; | |
5e6e3a92 | 95 | cmd_node->data_buf = NULL; |
600f5d90 | 96 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 97 | |
5cf80993 AK |
98 | if (cmd_node->cmd_skb) |
99 | skb_trim(cmd_node->cmd_skb, 0); | |
100 | ||
5e6e3a92 | 101 | if (cmd_node->resp_skb) { |
d930faee | 102 | adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); |
5e6e3a92 BZ |
103 | cmd_node->resp_skb = NULL; |
104 | } | |
5e6e3a92 BZ |
105 | } |
106 | ||
5e6e3a92 BZ |
107 | /* |
108 | * This function sends a host command to the firmware. | |
109 | * | |
110 | * The function copies the host command into the driver command | |
111 | * buffer, which will be transferred to the firmware later by the | |
112 | * main thread. | |
113 | */ | |
114 | static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, | |
a5ffddb7 AK |
115 | struct host_cmd_ds_command *cmd, |
116 | struct mwifiex_ds_misc_cmd *pcmd_ptr) | |
5e6e3a92 | 117 | { |
5e6e3a92 | 118 | /* Copy the HOST command to command buffer */ |
a5ffddb7 | 119 | memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); |
5e6e3a92 BZ |
120 | dev_dbg(priv->adapter->dev, "cmd: host cmd size = %d\n", pcmd_ptr->len); |
121 | return 0; | |
122 | } | |
123 | ||
124 | /* | |
125 | * This function downloads a command to the firmware. | |
126 | * | |
127 | * The function performs sanity tests, sets the command sequence | |
128 | * number and size, converts the header fields to CPU format before | |
129 | * sending. Afterwards, it logs the command ID and action for debugging | |
130 | * and sets up the command timeout timer. | |
131 | */ | |
132 | static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, | |
133 | struct cmd_ctrl_node *cmd_node) | |
134 | { | |
135 | ||
136 | struct mwifiex_adapter *adapter = priv->adapter; | |
270e58e8 | 137 | int ret; |
5e6e3a92 | 138 | struct host_cmd_ds_command *host_cmd; |
5e6e3a92 BZ |
139 | uint16_t cmd_code; |
140 | uint16_t cmd_size; | |
141 | struct timeval tstamp; | |
142 | unsigned long flags; | |
4daffe35 | 143 | __le32 tmp; |
5e6e3a92 BZ |
144 | |
145 | if (!adapter || !cmd_node) | |
146 | return -1; | |
147 | ||
148 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
5e6e3a92 BZ |
149 | |
150 | /* Sanity test */ | |
151 | if (host_cmd == NULL || host_cmd->size == 0) { | |
152 | dev_err(adapter->dev, "DNLD_CMD: host_cmd is null" | |
153 | " or cmd size is 0, not sending\n"); | |
600f5d90 AK |
154 | if (cmd_node->wait_q_enabled) |
155 | adapter->cmd_wait_q.status = -1; | |
9908b074 | 156 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
5e6e3a92 BZ |
157 | return -1; |
158 | } | |
159 | ||
a3e240ca BZ |
160 | cmd_code = le16_to_cpu(host_cmd->command); |
161 | cmd_size = le16_to_cpu(host_cmd->size); | |
162 | ||
163 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET && | |
164 | cmd_code != HostCmd_CMD_FUNC_SHUTDOWN && | |
165 | cmd_code != HostCmd_CMD_FUNC_INIT) { | |
166 | dev_err(adapter->dev, | |
167 | "DNLD_CMD: FW in reset state, ignore cmd %#x\n", | |
168 | cmd_code); | |
169 | mwifiex_complete_cmd(adapter, cmd_node); | |
9908b074 | 170 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
a3e240ca BZ |
171 | return -1; |
172 | } | |
173 | ||
5e6e3a92 BZ |
174 | /* Set command sequence number */ |
175 | adapter->seq_num++; | |
176 | host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO | |
aea0701e YAP |
177 | (adapter->seq_num, |
178 | cmd_node->priv->bss_num, | |
179 | cmd_node->priv->bss_type)); | |
5e6e3a92 BZ |
180 | |
181 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
182 | adapter->curr_cmd = cmd_node; | |
183 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
184 | ||
da25186f SP |
185 | /* Adjust skb length */ |
186 | if (cmd_node->cmd_skb->len > cmd_size) | |
187 | /* | |
188 | * cmd_size is less than sizeof(struct host_cmd_ds_command). | |
189 | * Trim off the unused portion. | |
190 | */ | |
191 | skb_trim(cmd_node->cmd_skb, cmd_size); | |
192 | else if (cmd_node->cmd_skb->len < cmd_size) | |
193 | /* | |
194 | * cmd_size is larger than sizeof(struct host_cmd_ds_command) | |
195 | * because we have appended custom IE TLV. Increase skb length | |
196 | * accordingly. | |
197 | */ | |
198 | skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); | |
5e6e3a92 BZ |
199 | |
200 | do_gettimeofday(&tstamp); | |
201 | dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," | |
202 | " seqno %#x\n", | |
203 | tstamp.tv_sec, tstamp.tv_usec, cmd_code, | |
aea0701e YAP |
204 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, |
205 | le16_to_cpu(host_cmd->seq_num)); | |
5e6e3a92 | 206 | |
4daffe35 AK |
207 | if (adapter->iface_type == MWIFIEX_USB) { |
208 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
209 | skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
210 | memcpy(cmd_node->cmd_skb->data, &tmp, MWIFIEX_TYPE_LEN); | |
211 | adapter->cmd_sent = true; | |
212 | ret = adapter->if_ops.host_to_card(adapter, | |
213 | MWIFIEX_USB_EP_CMD_EVENT, | |
214 | cmd_node->cmd_skb, NULL); | |
215 | skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
216 | if (ret == -EBUSY) | |
217 | cmd_node->cmd_skb = NULL; | |
218 | } else { | |
219 | skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
220 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
221 | cmd_node->cmd_skb, NULL); | |
222 | skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
223 | } | |
18bf9657 | 224 | |
5e6e3a92 BZ |
225 | if (ret == -1) { |
226 | dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); | |
4daffe35 AK |
227 | if (adapter->iface_type == MWIFIEX_USB) |
228 | adapter->cmd_sent = false; | |
600f5d90 AK |
229 | if (cmd_node->wait_q_enabled) |
230 | adapter->cmd_wait_q.status = -1; | |
9908b074 | 231 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
232 | |
233 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
234 | adapter->curr_cmd = NULL; | |
235 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
236 | ||
237 | adapter->dbg.num_cmd_host_to_card_failure++; | |
238 | return -1; | |
239 | } | |
240 | ||
241 | /* Save the last command id and action to debug log */ | |
242 | adapter->dbg.last_cmd_index = | |
aea0701e | 243 | (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; |
5e6e3a92 BZ |
244 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; |
245 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = | |
aea0701e | 246 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); |
5e6e3a92 BZ |
247 | |
248 | /* Clear BSS_NO_BITS from HostCmd */ | |
249 | cmd_code &= HostCmd_CMD_ID_MASK; | |
250 | ||
251 | /* Setup the timer after transmit command */ | |
252 | mod_timer(&adapter->cmd_timer, | |
4587eea5 | 253 | jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); |
5e6e3a92 BZ |
254 | |
255 | return 0; | |
256 | } | |
257 | ||
258 | /* | |
259 | * This function downloads a sleep confirm command to the firmware. | |
260 | * | |
261 | * The function performs sanity tests, sets the command sequence | |
262 | * number and size, converts the header fields to CPU format before | |
263 | * sending. | |
264 | * | |
265 | * No responses are needed for sleep confirm command. | |
266 | */ | |
267 | static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) | |
268 | { | |
270e58e8 | 269 | int ret; |
5e6e3a92 | 270 | struct mwifiex_private *priv; |
7cc5eb62 AK |
271 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = |
272 | (struct mwifiex_opt_sleep_confirm *) | |
aea0701e | 273 | adapter->sleep_cfm->data; |
4daffe35 AK |
274 | struct sk_buff *sleep_cfm_tmp; |
275 | __le32 tmp; | |
276 | ||
5e6e3a92 BZ |
277 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
278 | ||
7cc5eb62 | 279 | sleep_cfm_buf->seq_num = |
5e6e3a92 BZ |
280 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO |
281 | (adapter->seq_num, priv->bss_num, | |
282 | priv->bss_type))); | |
283 | adapter->seq_num++; | |
284 | ||
4daffe35 AK |
285 | if (adapter->iface_type == MWIFIEX_USB) { |
286 | sleep_cfm_tmp = | |
287 | dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) | |
288 | + MWIFIEX_TYPE_LEN); | |
289 | skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) | |
290 | + MWIFIEX_TYPE_LEN); | |
291 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
292 | memcpy(sleep_cfm_tmp->data, &tmp, MWIFIEX_TYPE_LEN); | |
293 | memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, | |
294 | adapter->sleep_cfm->data, | |
295 | sizeof(struct mwifiex_opt_sleep_confirm)); | |
296 | ret = adapter->if_ops.host_to_card(adapter, | |
297 | MWIFIEX_USB_EP_CMD_EVENT, | |
298 | sleep_cfm_tmp, NULL); | |
299 | if (ret != -EBUSY) | |
300 | dev_kfree_skb_any(sleep_cfm_tmp); | |
301 | } else { | |
302 | skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); | |
303 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
304 | adapter->sleep_cfm, NULL); | |
305 | skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); | |
306 | } | |
5e6e3a92 BZ |
307 | |
308 | if (ret == -1) { | |
309 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
310 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
311 | return -1; | |
312 | } | |
313 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
aea0701e | 314 | == MWIFIEX_BSS_ROLE_STA) { |
7cc5eb62 | 315 | if (!sleep_cfm_buf->resp_ctrl) |
5e6e3a92 BZ |
316 | /* Response is not needed for sleep |
317 | confirm command */ | |
318 | adapter->ps_state = PS_STATE_SLEEP; | |
319 | else | |
320 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
321 | ||
aea0701e YAP |
322 | if (!sleep_cfm_buf->resp_ctrl && |
323 | (adapter->is_hs_configured && | |
324 | !adapter->sleep_period.period)) { | |
5e6e3a92 | 325 | adapter->pm_wakeup_card_req = true; |
aea0701e YAP |
326 | mwifiex_hs_activated_event(mwifiex_get_priv |
327 | (adapter, MWIFIEX_BSS_ROLE_STA), true); | |
5e6e3a92 BZ |
328 | } |
329 | } | |
330 | ||
331 | return ret; | |
332 | } | |
333 | ||
334 | /* | |
335 | * This function allocates the command buffers and links them to | |
336 | * the command free queue. | |
337 | * | |
338 | * The driver uses a pre allocated number of command buffers, which | |
339 | * are created at driver initializations and freed at driver cleanup. | |
340 | * Every command needs to obtain a command buffer from this pool before | |
341 | * it can be issued. The command free queue lists the command buffers | |
342 | * currently free to use, while the command pending queue lists the | |
343 | * command buffers already in use and awaiting handling. Command buffers | |
344 | * are returned to the free queue after use. | |
345 | */ | |
346 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
347 | { | |
348 | struct cmd_ctrl_node *cmd_array; | |
5e6e3a92 BZ |
349 | u32 i; |
350 | ||
351 | /* Allocate and initialize struct cmd_ctrl_node */ | |
0d2e7a5c JP |
352 | cmd_array = kcalloc(MWIFIEX_NUM_OF_CMD_BUFFER, |
353 | sizeof(struct cmd_ctrl_node), GFP_KERNEL); | |
354 | if (!cmd_array) | |
b53575ec | 355 | return -ENOMEM; |
5e6e3a92 BZ |
356 | |
357 | adapter->cmd_pool = cmd_array; | |
5e6e3a92 BZ |
358 | |
359 | /* Allocate and initialize command buffers */ | |
360 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
361 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
362 | if (!cmd_array[i].skb) { | |
363 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
364 | return -1; | |
365 | } | |
366 | } | |
367 | ||
368 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
369 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
374 | /* | |
375 | * This function frees the command buffers. | |
376 | * | |
377 | * The function calls the completion callback for all the command | |
378 | * buffers that still have response buffers associated with them. | |
379 | */ | |
380 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
381 | { | |
382 | struct cmd_ctrl_node *cmd_array; | |
383 | u32 i; | |
384 | ||
385 | /* Need to check if cmd pool is allocated or not */ | |
386 | if (!adapter->cmd_pool) { | |
387 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
388 | return 0; | |
389 | } | |
390 | ||
391 | cmd_array = adapter->cmd_pool; | |
392 | ||
393 | /* Release shared memory buffers */ | |
394 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
395 | if (cmd_array[i].skb) { | |
396 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
397 | dev_kfree_skb_any(cmd_array[i].skb); | |
398 | } | |
399 | if (!cmd_array[i].resp_skb) | |
400 | continue; | |
4daffe35 AK |
401 | |
402 | if (adapter->iface_type == MWIFIEX_USB) | |
403 | adapter->if_ops.cmdrsp_complete(adapter, | |
404 | cmd_array[i].resp_skb); | |
405 | else | |
406 | dev_kfree_skb_any(cmd_array[i].resp_skb); | |
5e6e3a92 BZ |
407 | } |
408 | /* Release struct cmd_ctrl_node */ | |
409 | if (adapter->cmd_pool) { | |
410 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
411 | kfree(adapter->cmd_pool); | |
412 | adapter->cmd_pool = NULL; | |
413 | } | |
414 | ||
415 | return 0; | |
416 | } | |
417 | ||
418 | /* | |
419 | * This function handles events generated by firmware. | |
420 | * | |
421 | * Event body of events received from firmware are not used (though they are | |
422 | * saved), only the event ID is used. Some events are re-invoked by | |
423 | * the driver, with a new event body. | |
424 | * | |
425 | * After processing, the function calls the completion callback | |
426 | * for cleanup. | |
427 | */ | |
428 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
429 | { | |
270e58e8 | 430 | int ret; |
5e6e3a92 BZ |
431 | struct mwifiex_private *priv = |
432 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
433 | struct sk_buff *skb = adapter->event_skb; | |
434 | u32 eventcause = adapter->event_cause; | |
435 | struct timeval tstamp; | |
270e58e8 | 436 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
437 | |
438 | /* Save the last event to debug log */ | |
439 | adapter->dbg.last_event_index = | |
aea0701e | 440 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 441 | adapter->dbg.last_event[adapter->dbg.last_event_index] = |
aea0701e | 442 | (u16) eventcause; |
5e6e3a92 BZ |
443 | |
444 | /* Get BSS number and corresponding priv */ | |
445 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
446 | EVENT_GET_BSS_TYPE(eventcause)); | |
447 | if (!priv) | |
448 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
449 | /* Clear BSS_NO_BITS from event */ | |
450 | eventcause &= EVENT_ID_MASK; | |
451 | adapter->event_cause = eventcause; | |
452 | ||
453 | if (skb) { | |
454 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
9da9a3b2 YAP |
455 | rx_info->bss_num = priv->bss_num; |
456 | rx_info->bss_type = priv->bss_type; | |
5e6e3a92 BZ |
457 | } |
458 | ||
459 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
460 | do_gettimeofday(&tstamp); | |
461 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
aea0701e | 462 | tstamp.tv_sec, tstamp.tv_usec, eventcause); |
03785387 AP |
463 | } else { |
464 | /* Handle PS_SLEEP/AWAKE events on STA */ | |
465 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); | |
466 | if (!priv) | |
467 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
5e6e3a92 BZ |
468 | } |
469 | ||
3d99d987 AP |
470 | if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) |
471 | ret = mwifiex_process_uap_event(priv); | |
472 | else | |
473 | ret = mwifiex_process_sta_event(priv); | |
5e6e3a92 BZ |
474 | |
475 | adapter->event_cause = 0; | |
476 | adapter->event_skb = NULL; | |
d930faee | 477 | adapter->if_ops.event_complete(adapter, skb); |
5e6e3a92 BZ |
478 | |
479 | return ret; | |
480 | } | |
481 | ||
482 | /* | |
600f5d90 AK |
483 | * This function is used to send synchronous command to the firmware. |
484 | * | |
485 | * it allocates a wait queue for the command and wait for the command | |
486 | * response. | |
487 | */ | |
488 | int mwifiex_send_cmd_sync(struct mwifiex_private *priv, uint16_t cmd_no, | |
489 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
490 | { | |
491 | int ret = 0; | |
492 | struct mwifiex_adapter *adapter = priv->adapter; | |
493 | ||
494 | adapter->cmd_wait_q_required = true; | |
600f5d90 AK |
495 | |
496 | ret = mwifiex_send_cmd_async(priv, cmd_no, cmd_action, cmd_oid, | |
497 | data_buf); | |
600f5d90 AK |
498 | |
499 | return ret; | |
500 | } | |
501 | ||
502 | ||
503 | /* | |
504 | * This function prepares a command and asynchronously send it to the firmware. | |
5e6e3a92 BZ |
505 | * |
506 | * Preparation includes - | |
507 | * - Sanity tests to make sure the card is still present or the FW | |
508 | * is not reset | |
509 | * - Getting a new command node from the command free queue | |
510 | * - Initializing the command node for default parameters | |
511 | * - Fill up the non-default parameters and buffer pointers | |
512 | * - Add the command to pending queue | |
513 | */ | |
600f5d90 AK |
514 | int mwifiex_send_cmd_async(struct mwifiex_private *priv, uint16_t cmd_no, |
515 | u16 cmd_action, u32 cmd_oid, void *data_buf) | |
5e6e3a92 | 516 | { |
270e58e8 | 517 | int ret; |
5e6e3a92 | 518 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
519 | struct cmd_ctrl_node *cmd_node; |
520 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
521 | |
522 | if (!adapter) { | |
523 | pr_err("PREP_CMD: adapter is NULL\n"); | |
524 | return -1; | |
525 | } | |
526 | ||
527 | if (adapter->is_suspended) { | |
528 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
529 | return -1; | |
530 | } | |
531 | ||
532 | if (adapter->surprise_removed) { | |
533 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
534 | return -1; | |
535 | } | |
536 | ||
537 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { | |
538 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
539 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
540 | return -1; | |
541 | } | |
542 | } | |
543 | ||
544 | /* Get a new command node */ | |
545 | cmd_node = mwifiex_get_cmd_node(adapter); | |
546 | ||
547 | if (!cmd_node) { | |
548 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
549 | return -1; | |
550 | } | |
551 | ||
552 | /* Initialize the command node */ | |
600f5d90 | 553 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf); |
5e6e3a92 BZ |
554 | |
555 | if (!cmd_node->cmd_skb) { | |
556 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
557 | return -1; | |
558 | } | |
559 | ||
560 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
561 | 0, sizeof(struct host_cmd_ds_command)); | |
562 | ||
563 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
564 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
565 | cmd_ptr->result = 0; | |
566 | ||
567 | /* Prepare command */ | |
568 | if (cmd_no) { | |
40d07030 AP |
569 | switch (cmd_no) { |
570 | case HostCmd_CMD_UAP_SYS_CONFIG: | |
571 | case HostCmd_CMD_UAP_BSS_START: | |
572 | case HostCmd_CMD_UAP_BSS_STOP: | |
573 | ret = mwifiex_uap_prepare_cmd(priv, cmd_no, cmd_action, | |
574 | cmd_oid, data_buf, | |
575 | cmd_ptr); | |
576 | break; | |
577 | default: | |
578 | ret = mwifiex_sta_prepare_cmd(priv, cmd_no, cmd_action, | |
579 | cmd_oid, data_buf, | |
580 | cmd_ptr); | |
581 | break; | |
582 | } | |
5e6e3a92 BZ |
583 | } else { |
584 | ret = mwifiex_cmd_host_cmd(priv, cmd_ptr, data_buf); | |
585 | cmd_node->cmd_flag |= CMD_F_HOSTCMD; | |
586 | } | |
587 | ||
588 | /* Return error, since the command preparation failed */ | |
589 | if (ret) { | |
590 | dev_err(adapter->dev, "PREP_CMD: cmd %#x preparation failed\n", | |
aea0701e | 591 | cmd_no); |
5e6e3a92 BZ |
592 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
593 | return -1; | |
594 | } | |
595 | ||
596 | /* Send command */ | |
efaaa8b8 | 597 | if (cmd_no == HostCmd_CMD_802_11_SCAN) { |
5e6e3a92 | 598 | mwifiex_queue_scan_cmd(priv, cmd_node); |
efaaa8b8 | 599 | } else { |
5e6e3a92 | 600 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); |
1a1fb970 | 601 | queue_work(adapter->workqueue, &adapter->main_work); |
00d7ea11 AK |
602 | if (cmd_node->wait_q_enabled) |
603 | ret = mwifiex_wait_queue_complete(adapter, cmd_node); | |
efaaa8b8 | 604 | } |
5e6e3a92 BZ |
605 | |
606 | return ret; | |
607 | } | |
608 | ||
609 | /* | |
610 | * This function returns a command to the command free queue. | |
611 | * | |
612 | * The function also calls the completion callback if required, before | |
613 | * cleaning the command node and re-inserting it into the free queue. | |
614 | */ | |
615 | void | |
616 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
617 | struct cmd_ctrl_node *cmd_node) | |
618 | { | |
5e6e3a92 BZ |
619 | unsigned long flags; |
620 | ||
19a89860 | 621 | if (!cmd_node) |
5e6e3a92 | 622 | return; |
600f5d90 AK |
623 | |
624 | if (cmd_node->wait_q_enabled) | |
efaaa8b8 | 625 | mwifiex_complete_cmd(adapter, cmd_node); |
5e6e3a92 BZ |
626 | /* Clean the node */ |
627 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
628 | ||
629 | /* Insert node into cmd_free_q */ | |
630 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
631 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
632 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
633 | } |
634 | ||
9908b074 BZ |
635 | /* This function reuses a command node. */ |
636 | void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter, | |
637 | struct cmd_ctrl_node *cmd_node) | |
638 | { | |
639 | struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data; | |
640 | ||
641 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
642 | ||
643 | atomic_dec(&adapter->cmd_pending); | |
644 | dev_dbg(adapter->dev, "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n", | |
645 | le16_to_cpu(host_cmd->command), | |
646 | atomic_read(&adapter->cmd_pending)); | |
647 | } | |
648 | ||
5e6e3a92 BZ |
649 | /* |
650 | * This function queues a command to the command pending queue. | |
651 | * | |
652 | * This in effect adds the command to the command list to be executed. | |
653 | * Exit PS command is handled specially, by placing it always to the | |
654 | * front of the command queue. | |
655 | */ | |
656 | void | |
657 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
658 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
659 | { | |
660 | struct host_cmd_ds_command *host_cmd = NULL; | |
661 | u16 command; | |
662 | unsigned long flags; | |
663 | ||
664 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
665 | if (!host_cmd) { | |
666 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
667 | return; | |
668 | } | |
669 | ||
670 | command = le16_to_cpu(host_cmd->command); | |
671 | ||
672 | /* Exit_PS command needs to be queued in the header always. */ | |
673 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
674 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
aea0701e YAP |
675 | &host_cmd->params.psmode_enh; |
676 | if ((le16_to_cpu(pm->action) == DIS_PS) || | |
677 | (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
5e6e3a92 BZ |
678 | if (adapter->ps_state != PS_STATE_AWAKE) |
679 | add_tail = false; | |
680 | } | |
681 | } | |
682 | ||
683 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
684 | if (add_tail) | |
685 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
686 | else | |
687 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
688 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
689 | ||
9908b074 BZ |
690 | atomic_inc(&adapter->cmd_pending); |
691 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n", | |
692 | command, atomic_read(&adapter->cmd_pending)); | |
5e6e3a92 BZ |
693 | } |
694 | ||
695 | /* | |
696 | * This function executes the next command in command pending queue. | |
697 | * | |
698 | * This function will fail if a command is already in processing stage, | |
699 | * otherwise it will dequeue the first command from the command pending | |
700 | * queue and send to the firmware. | |
701 | * | |
702 | * If the device is currently in host sleep mode, any commands, except the | |
703 | * host sleep configuration command will de-activate the host sleep. For PS | |
704 | * mode, the function will put the firmware back to sleep if applicable. | |
705 | */ | |
706 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
707 | { | |
270e58e8 YAP |
708 | struct mwifiex_private *priv; |
709 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
710 | int ret = 0; |
711 | struct host_cmd_ds_command *host_cmd; | |
712 | unsigned long cmd_flags; | |
713 | unsigned long cmd_pending_q_flags; | |
714 | ||
715 | /* Check if already in processing */ | |
716 | if (adapter->curr_cmd) { | |
717 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
718 | return -1; | |
719 | } | |
720 | ||
721 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
722 | /* Check if any command is pending */ | |
723 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
724 | if (list_empty(&adapter->cmd_pending_q)) { | |
725 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
726 | cmd_pending_q_flags); | |
727 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
728 | return 0; | |
729 | } | |
730 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
731 | struct cmd_ctrl_node, list); | |
732 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
733 | cmd_pending_q_flags); | |
734 | ||
735 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
736 | priv = cmd_node->priv; | |
737 | ||
738 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
739 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
740 | " this should not happen\n", __func__); | |
741 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
742 | return ret; | |
743 | } | |
744 | ||
745 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
746 | list_del(&cmd_node->list); | |
747 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
748 | cmd_pending_q_flags); | |
749 | ||
750 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
751 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
752 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
753 | /* Any command sent to the firmware when host is in sleep | |
754 | * mode should de-configure host sleep. We should skip the | |
755 | * host sleep configuration command itself though | |
756 | */ | |
757 | if (priv && (host_cmd->command != | |
758 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
759 | if (adapter->hs_activated) { | |
760 | adapter->is_hs_configured = false; | |
761 | mwifiex_hs_activated_event(priv, false); | |
762 | } | |
763 | } | |
764 | ||
765 | return ret; | |
766 | } | |
767 | ||
768 | /* | |
769 | * This function handles the command response. | |
770 | * | |
771 | * After processing, the function cleans the command node and puts | |
772 | * it back to the command free queue. | |
773 | */ | |
774 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
775 | { | |
270e58e8 | 776 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
777 | struct mwifiex_private *priv = |
778 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
779 | int ret = 0; | |
780 | uint16_t orig_cmdresp_no; | |
781 | uint16_t cmdresp_no; | |
782 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
783 | struct timeval tstamp; |
784 | unsigned long flags; | |
785 | ||
786 | /* Now we got response from FW, cancel the command timer */ | |
787 | del_timer(&adapter->cmd_timer); | |
788 | ||
789 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
790 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
791 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
aea0701e | 792 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
793 | return -1; |
794 | } | |
795 | ||
5e6e3a92 BZ |
796 | adapter->num_cmd_timeout = 0; |
797 | ||
798 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
799 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
800 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
aea0701e | 801 | le16_to_cpu(resp->command)); |
9908b074 | 802 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
803 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
804 | adapter->curr_cmd = NULL; | |
805 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
806 | return -1; | |
807 | } | |
808 | ||
809 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
810 | /* Copy original response back to response buffer */ | |
a5ffddb7 | 811 | struct mwifiex_ds_misc_cmd *hostcmd; |
5e6e3a92 BZ |
812 | uint16_t size = le16_to_cpu(resp->size); |
813 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
814 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
815 | if (adapter->curr_cmd->data_buf) { | |
a5ffddb7 | 816 | hostcmd = adapter->curr_cmd->data_buf; |
5e6e3a92 | 817 | hostcmd->len = size; |
a5ffddb7 | 818 | memcpy(hostcmd->cmd, resp, size); |
5e6e3a92 BZ |
819 | } |
820 | } | |
821 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
822 | ||
823 | /* Get BSS number and corresponding priv */ | |
824 | priv = mwifiex_get_priv_by_id(adapter, | |
aea0701e YAP |
825 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), |
826 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
5e6e3a92 BZ |
827 | if (!priv) |
828 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
829 | /* Clear RET_BIT from HostCmd */ | |
830 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
831 | ||
832 | cmdresp_no = le16_to_cpu(resp->command); | |
833 | cmdresp_result = le16_to_cpu(resp->result); | |
834 | ||
835 | /* Save the last command response to debug log */ | |
836 | adapter->dbg.last_cmd_resp_index = | |
aea0701e | 837 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 838 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = |
aea0701e | 839 | orig_cmdresp_no; |
5e6e3a92 BZ |
840 | |
841 | do_gettimeofday(&tstamp); | |
842 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
843 | " len %d, seqno 0x%x\n", | |
844 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
845 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
846 | ||
847 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
848 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
849 | if (adapter->curr_cmd->wait_q_enabled) |
850 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 | 851 | |
9908b074 | 852 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
853 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
854 | adapter->curr_cmd = NULL; | |
855 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
856 | return -1; | |
857 | } | |
858 | ||
859 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
860 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
aea0701e YAP |
861 | if ((cmdresp_result == HostCmd_RESULT_OK) && |
862 | (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
5e6e3a92 BZ |
863 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); |
864 | } else { | |
865 | /* handle response */ | |
600f5d90 | 866 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
867 | } |
868 | ||
869 | /* Check init command response */ | |
870 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
a0f6d6ca | 871 | if (ret) { |
5e6e3a92 BZ |
872 | dev_err(adapter->dev, "%s: cmd %#x failed during " |
873 | "initialization\n", __func__, cmdresp_no); | |
874 | mwifiex_init_fw_complete(adapter); | |
875 | return -1; | |
876 | } else if (adapter->last_init_cmd == cmdresp_no) | |
877 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
878 | } | |
879 | ||
880 | if (adapter->curr_cmd) { | |
a0f6d6ca AK |
881 | if (adapter->curr_cmd->wait_q_enabled) |
882 | adapter->cmd_wait_q.status = ret; | |
5e6e3a92 | 883 | |
9908b074 | 884 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
885 | |
886 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
887 | adapter->curr_cmd = NULL; | |
888 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
889 | } | |
890 | ||
891 | return ret; | |
892 | } | |
893 | ||
894 | /* | |
895 | * This function handles the timeout of command sending. | |
896 | * | |
897 | * It will re-send the same command again. | |
898 | */ | |
899 | void | |
900 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
901 | { | |
902 | struct mwifiex_adapter *adapter = | |
903 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 904 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
905 | struct timeval tstamp; |
906 | ||
907 | adapter->num_cmd_timeout++; | |
908 | adapter->dbg.num_cmd_timeout++; | |
909 | if (!adapter->curr_cmd) { | |
910 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
911 | return; | |
912 | } | |
913 | cmd_node = adapter->curr_cmd; | |
5e6e3a92 BZ |
914 | if (cmd_node) { |
915 | adapter->dbg.timeout_cmd_id = | |
916 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
917 | adapter->dbg.timeout_cmd_act = | |
918 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
919 | do_gettimeofday(&tstamp); | |
aea0701e YAP |
920 | dev_err(adapter->dev, |
921 | "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n", | |
922 | __func__, tstamp.tv_sec, tstamp.tv_usec, | |
923 | adapter->dbg.timeout_cmd_id, | |
924 | adapter->dbg.timeout_cmd_act); | |
5e6e3a92 BZ |
925 | |
926 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
aea0701e | 927 | adapter->dbg.num_tx_host_to_card_failure); |
5e6e3a92 | 928 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", |
aea0701e | 929 | adapter->dbg.num_cmd_host_to_card_failure); |
5e6e3a92 BZ |
930 | |
931 | dev_err(adapter->dev, "num_cmd_timeout = %d\n", | |
aea0701e | 932 | adapter->dbg.num_cmd_timeout); |
5e6e3a92 | 933 | dev_err(adapter->dev, "num_tx_timeout = %d\n", |
aea0701e | 934 | adapter->dbg.num_tx_timeout); |
5e6e3a92 BZ |
935 | |
936 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
aea0701e | 937 | adapter->dbg.last_cmd_index); |
afe3840a AE |
938 | dev_err(adapter->dev, "last_cmd_id: %*ph\n", |
939 | (int)sizeof(adapter->dbg.last_cmd_id), | |
940 | adapter->dbg.last_cmd_id); | |
941 | dev_err(adapter->dev, "last_cmd_act: %*ph\n", | |
942 | (int)sizeof(adapter->dbg.last_cmd_act), | |
943 | adapter->dbg.last_cmd_act); | |
5e6e3a92 BZ |
944 | |
945 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
aea0701e | 946 | adapter->dbg.last_cmd_resp_index); |
afe3840a AE |
947 | dev_err(adapter->dev, "last_cmd_resp_id: %*ph\n", |
948 | (int)sizeof(adapter->dbg.last_cmd_resp_id), | |
949 | adapter->dbg.last_cmd_resp_id); | |
5e6e3a92 BZ |
950 | |
951 | dev_err(adapter->dev, "last_event_index = %d\n", | |
aea0701e | 952 | adapter->dbg.last_event_index); |
afe3840a AE |
953 | dev_err(adapter->dev, "last_event: %*ph\n", |
954 | (int)sizeof(adapter->dbg.last_event), | |
955 | adapter->dbg.last_event); | |
5e6e3a92 BZ |
956 | |
957 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
aea0701e | 958 | adapter->data_sent, adapter->cmd_sent); |
5e6e3a92 BZ |
959 | |
960 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
aea0701e | 961 | adapter->ps_mode, adapter->ps_state); |
b1a47aa5 BZ |
962 | |
963 | if (cmd_node->wait_q_enabled) { | |
964 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
965 | wake_up_interruptible(&adapter->cmd_wait_q.wait); | |
966 | mwifiex_cancel_pending_ioctl(adapter); | |
967 | /* reset cmd_sent flag to unblock new commands */ | |
968 | adapter->cmd_sent = false; | |
969 | } | |
5e6e3a92 BZ |
970 | } |
971 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
972 | mwifiex_init_fw_complete(adapter); | |
d31ab357 AK |
973 | |
974 | if (adapter->if_ops.card_reset) | |
975 | adapter->if_ops.card_reset(adapter); | |
5e6e3a92 BZ |
976 | } |
977 | ||
978 | /* | |
979 | * This function cancels all the pending commands. | |
980 | * | |
981 | * The current command, all commands in command pending queue and all scan | |
982 | * commands in scan pending queue are cancelled. All the completion callbacks | |
983 | * are called with failure status to ensure cleanup. | |
984 | */ | |
985 | void | |
986 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
987 | { | |
270e58e8 | 988 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
5e6e3a92 BZ |
989 | unsigned long flags; |
990 | ||
991 | /* Cancel current cmd */ | |
600f5d90 | 992 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 | 993 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 994 | adapter->curr_cmd->wait_q_enabled = false; |
5e6e3a92 | 995 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); |
600f5d90 | 996 | adapter->cmd_wait_q.status = -1; |
efaaa8b8 | 997 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
998 | } |
999 | /* Cancel all pending command */ | |
1000 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
1001 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1002 | &adapter->cmd_pending_q, list) { | |
1003 | list_del(&cmd_node->list); | |
1004 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
1005 | ||
600f5d90 AK |
1006 | if (cmd_node->wait_q_enabled) { |
1007 | adapter->cmd_wait_q.status = -1; | |
efaaa8b8 | 1008 | mwifiex_complete_cmd(adapter, cmd_node); |
600f5d90 | 1009 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 1010 | } |
9908b074 | 1011 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
5e6e3a92 BZ |
1012 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); |
1013 | } | |
1014 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
1015 | ||
1016 | /* Cancel all pending scan command */ | |
1017 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
1018 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1019 | &adapter->scan_pending_q, list) { | |
1020 | list_del(&cmd_node->list); | |
1021 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
1022 | ||
600f5d90 | 1023 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
1024 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
1025 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
1026 | } | |
1027 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
1028 | ||
1029 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
1030 | adapter->scan_processing = false; | |
1031 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
1032 | } | |
1033 | ||
1034 | /* | |
1035 | * This function cancels all pending commands that matches with | |
1036 | * the given IOCTL request. | |
1037 | * | |
1038 | * Both the current command buffer and the pending command queue are | |
1039 | * searched for matching IOCTL request. The completion callback of | |
1040 | * the matched command is called with failure status to ensure cleanup. | |
1041 | * In case of scan commands, all pending commands in scan pending queue | |
1042 | * are cancelled. | |
1043 | */ | |
1044 | void | |
600f5d90 | 1045 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
1046 | { |
1047 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
1048 | unsigned long cmd_flags; | |
5e6e3a92 BZ |
1049 | unsigned long scan_pending_q_flags; |
1050 | uint16_t cancel_scan_cmd = false; | |
1051 | ||
1052 | if ((adapter->curr_cmd) && | |
aea0701e | 1053 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
1054 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
1055 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 1056 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 1057 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
9908b074 | 1058 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
51e708c1 YAP |
1059 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
1060 | adapter->curr_cmd = NULL; | |
600f5d90 | 1061 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 1062 | } |
600f5d90 | 1063 | |
5e6e3a92 BZ |
1064 | /* Cancel all pending scan command */ |
1065 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1066 | scan_pending_q_flags); | |
1067 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1068 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
1069 | list_del(&cmd_node->list); |
1070 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1071 | scan_pending_q_flags); | |
1072 | cmd_node->wait_q_enabled = false; | |
1073 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
1074 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1075 | scan_pending_q_flags); | |
1076 | cancel_scan_cmd = true; | |
5e6e3a92 BZ |
1077 | } |
1078 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1079 | scan_pending_q_flags); | |
1080 | ||
1081 | if (cancel_scan_cmd) { | |
1082 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1083 | adapter->scan_processing = false; | |
1084 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1085 | } | |
600f5d90 | 1086 | adapter->cmd_wait_q.status = -1; |
5e6e3a92 BZ |
1087 | } |
1088 | ||
1089 | /* | |
1090 | * This function sends the sleep confirm command to firmware, if | |
1091 | * possible. | |
1092 | * | |
1093 | * The sleep confirm command cannot be issued if command response, | |
1094 | * data response or event response is awaiting handling, or if we | |
1095 | * are in the middle of sending a command, or expecting a command | |
1096 | * response. | |
1097 | */ | |
1098 | void | |
1099 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
1100 | { | |
1101 | if (!adapter->cmd_sent && | |
1102 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
1103 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
1104 | else | |
1105 | dev_dbg(adapter->dev, | |
1106 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
aea0701e YAP |
1107 | (adapter->cmd_sent) ? "D" : "", |
1108 | (adapter->curr_cmd) ? "C" : "", | |
1109 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
5e6e3a92 BZ |
1110 | } |
1111 | ||
1112 | /* | |
1113 | * This function sends a Host Sleep activated event to applications. | |
1114 | * | |
1115 | * This event is generated by the driver, with a blank event body. | |
1116 | */ | |
1117 | void | |
1118 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1119 | { | |
1120 | if (activated) { | |
1121 | if (priv->adapter->is_hs_configured) { | |
1122 | priv->adapter->hs_activated = true; | |
2db96c3d AP |
1123 | mwifiex_update_rxreor_flags(priv->adapter, |
1124 | RXREOR_FORCE_NO_DROP); | |
5e6e3a92 BZ |
1125 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); |
1126 | priv->adapter->hs_activate_wait_q_woken = true; | |
1127 | wake_up_interruptible( | |
1128 | &priv->adapter->hs_activate_wait_q); | |
1129 | } else { | |
1130 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1131 | } | |
1132 | } else { | |
1133 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1134 | priv->adapter->hs_activated = false; | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | /* | |
1139 | * This function handles the command response of a Host Sleep configuration | |
1140 | * command. | |
1141 | * | |
1142 | * Handling includes changing the header fields into CPU format | |
1143 | * and setting the current host sleep activation status in driver. | |
1144 | * | |
1145 | * In case host sleep status change, the function generates an event to | |
1146 | * notify the applications. | |
1147 | */ | |
1148 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1149 | struct host_cmd_ds_command *resp) | |
1150 | { | |
1151 | struct mwifiex_adapter *adapter = priv->adapter; | |
1152 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1153 | &resp->params.opt_hs_cfg; | |
1154 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1155 | ||
a4186ea6 AK |
1156 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && |
1157 | adapter->iface_type == MWIFIEX_SDIO) { | |
5e6e3a92 BZ |
1158 | mwifiex_hs_activated_event(priv, true); |
1159 | return 0; | |
1160 | } else { | |
1161 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1162 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1163 | resp->result, conditions, | |
aea0701e YAP |
1164 | phs_cfg->params.hs_config.gpio, |
1165 | phs_cfg->params.hs_config.gap); | |
5e6e3a92 | 1166 | } |
cc0b5a64 | 1167 | if (conditions != HS_CFG_CANCEL) { |
5e6e3a92 | 1168 | adapter->is_hs_configured = true; |
a4186ea6 AK |
1169 | if (adapter->iface_type == MWIFIEX_USB || |
1170 | adapter->iface_type == MWIFIEX_PCIE) | |
1171 | mwifiex_hs_activated_event(priv, true); | |
5e6e3a92 BZ |
1172 | } else { |
1173 | adapter->is_hs_configured = false; | |
1174 | if (adapter->hs_activated) | |
1175 | mwifiex_hs_activated_event(priv, false); | |
1176 | } | |
1177 | ||
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | /* | |
1182 | * This function wakes up the adapter and generates a Host Sleep | |
1183 | * cancel event on receiving the power up interrupt. | |
1184 | */ | |
1185 | void | |
1186 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1187 | { | |
1188 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1189 | " since there is interrupt from the firmware\n", __func__); | |
1190 | ||
1191 | adapter->if_ops.wakeup(adapter); | |
1192 | adapter->hs_activated = false; | |
1193 | adapter->is_hs_configured = false; | |
1194 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, | |
aea0701e YAP |
1195 | MWIFIEX_BSS_ROLE_ANY), |
1196 | false); | |
5e6e3a92 | 1197 | } |
4daffe35 | 1198 | EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); |
5e6e3a92 BZ |
1199 | |
1200 | /* | |
1201 | * This function handles the command response of a sleep confirm command. | |
1202 | * | |
1203 | * The function sets the card state to SLEEP if the response indicates success. | |
1204 | */ | |
1205 | void | |
1206 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1207 | u8 *pbuf, u32 upld_len) | |
1208 | { | |
1209 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1210 | struct mwifiex_private *priv = | |
1211 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1212 | uint16_t result = le16_to_cpu(cmd->result); | |
1213 | uint16_t command = le16_to_cpu(cmd->command); | |
1214 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1215 | ||
1216 | if (!upld_len) { | |
1217 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1218 | return; | |
1219 | } | |
1220 | ||
1221 | /* Get BSS number and corresponding priv */ | |
1222 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1223 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1224 | if (!priv) | |
1225 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1226 | ||
1227 | /* Update sequence number */ | |
1228 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1229 | /* Clear RET_BIT from HostCmd */ | |
1230 | command &= HostCmd_CMD_ID_MASK; | |
1231 | ||
1232 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
aea0701e YAP |
1233 | dev_err(adapter->dev, |
1234 | "%s: rcvd unexpected resp for cmd %#x, result = %x\n", | |
1235 | __func__, command, result); | |
5e6e3a92 BZ |
1236 | return; |
1237 | } | |
1238 | ||
1239 | if (result) { | |
1240 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
aea0701e | 1241 | __func__); |
5e6e3a92 BZ |
1242 | adapter->pm_wakeup_card_req = false; |
1243 | adapter->ps_state = PS_STATE_AWAKE; | |
1244 | return; | |
1245 | } | |
1246 | adapter->pm_wakeup_card_req = true; | |
1247 | if (adapter->is_hs_configured) | |
aea0701e YAP |
1248 | mwifiex_hs_activated_event(mwifiex_get_priv |
1249 | (adapter, MWIFIEX_BSS_ROLE_ANY), | |
1250 | true); | |
5e6e3a92 BZ |
1251 | adapter->ps_state = PS_STATE_SLEEP; |
1252 | cmd->command = cpu_to_le16(command); | |
1253 | cmd->seq_num = cpu_to_le16(seq_num); | |
1254 | } | |
1255 | EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); | |
1256 | ||
1257 | /* | |
1258 | * This function prepares an enhanced power mode command. | |
1259 | * | |
1260 | * This function can be used to disable power save or to configure | |
1261 | * power save with auto PS or STA PS or auto deep sleep. | |
1262 | * | |
1263 | * Preparation includes - | |
1264 | * - Setting command ID, action and proper size | |
1265 | * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, | |
1266 | * auto deep sleep TLV (as required) | |
1267 | * - Ensuring correct endian-ness | |
1268 | */ | |
1269 | int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, | |
1270 | struct host_cmd_ds_command *cmd, | |
1271 | u16 cmd_action, uint16_t ps_bitmap, | |
a5ffddb7 | 1272 | struct mwifiex_ds_auto_ds *auto_ds) |
5e6e3a92 BZ |
1273 | { |
1274 | struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = | |
1275 | &cmd->params.psmode_enh; | |
270e58e8 | 1276 | u8 *tlv; |
5e6e3a92 BZ |
1277 | u16 cmd_size = 0; |
1278 | ||
1279 | cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
1280 | if (cmd_action == DIS_AUTO_PS) { | |
1281 | psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); | |
1282 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1283 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1284 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1285 | } else if (cmd_action == GET_PS) { |
1286 | psmode_enh->action = cpu_to_le16(GET_PS); | |
1287 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1288 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1289 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1290 | } else if (cmd_action == EN_AUTO_PS) { |
1291 | psmode_enh->action = cpu_to_le16(EN_AUTO_PS); | |
2b06bdbe MY |
1292 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); |
1293 | cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + | |
aea0701e | 1294 | sizeof(psmode_enh->params.ps_bitmap); |
5e6e3a92 BZ |
1295 | tlv = (u8 *) cmd + cmd_size; |
1296 | if (ps_bitmap & BITMAP_STA_PS) { | |
1297 | struct mwifiex_adapter *adapter = priv->adapter; | |
1298 | struct mwifiex_ie_types_ps_param *ps_tlv = | |
1299 | (struct mwifiex_ie_types_ps_param *) tlv; | |
1300 | struct mwifiex_ps_param *ps_mode = &ps_tlv->param; | |
1301 | ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); | |
1302 | ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - | |
1303 | sizeof(struct mwifiex_ie_types_header)); | |
1304 | cmd_size += sizeof(*ps_tlv); | |
1305 | tlv += sizeof(*ps_tlv); | |
1306 | dev_dbg(adapter->dev, "cmd: PS Command: Enter PS\n"); | |
1307 | ps_mode->null_pkt_interval = | |
aea0701e | 1308 | cpu_to_le16(adapter->null_pkt_interval); |
5e6e3a92 | 1309 | ps_mode->multiple_dtims = |
aea0701e | 1310 | cpu_to_le16(adapter->multiple_dtim); |
5e6e3a92 | 1311 | ps_mode->bcn_miss_timeout = |
aea0701e | 1312 | cpu_to_le16(adapter->bcn_miss_time_out); |
5e6e3a92 BZ |
1313 | ps_mode->local_listen_interval = |
1314 | cpu_to_le16(adapter->local_listen_interval); | |
1315 | ps_mode->adhoc_wake_period = | |
1316 | cpu_to_le16(adapter->adhoc_awake_period); | |
1317 | ps_mode->delay_to_ps = | |
aea0701e YAP |
1318 | cpu_to_le16(adapter->delay_to_ps); |
1319 | ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); | |
5e6e3a92 BZ |
1320 | |
1321 | } | |
1322 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
2b06bdbe | 1323 | struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = |
5e6e3a92 | 1324 | (struct mwifiex_ie_types_auto_ds_param *) tlv; |
5e6e3a92 | 1325 | u16 idletime = 0; |
2b06bdbe MY |
1326 | |
1327 | auto_ds_tlv->header.type = | |
5e6e3a92 | 1328 | cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); |
2b06bdbe MY |
1329 | auto_ds_tlv->header.len = |
1330 | cpu_to_le16(sizeof(*auto_ds_tlv) - | |
5e6e3a92 | 1331 | sizeof(struct mwifiex_ie_types_header)); |
2b06bdbe MY |
1332 | cmd_size += sizeof(*auto_ds_tlv); |
1333 | tlv += sizeof(*auto_ds_tlv); | |
a5ffddb7 AK |
1334 | if (auto_ds) |
1335 | idletime = auto_ds->idle_time; | |
5e6e3a92 | 1336 | dev_dbg(priv->adapter->dev, |
aea0701e | 1337 | "cmd: PS Command: Enter Auto Deep Sleep\n"); |
2b06bdbe | 1338 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1339 | } |
1340 | cmd->size = cpu_to_le16(cmd_size); | |
1341 | } | |
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | * This function handles the command response of an enhanced power mode | |
1347 | * command. | |
1348 | * | |
1349 | * Handling includes changing the header fields into CPU format | |
1350 | * and setting the current enhanced power mode in driver. | |
1351 | */ | |
1352 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1353 | struct host_cmd_ds_command *resp, | |
a5ffddb7 | 1354 | struct mwifiex_ds_pm_cfg *pm_cfg) |
5e6e3a92 BZ |
1355 | { |
1356 | struct mwifiex_adapter *adapter = priv->adapter; | |
1357 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1358 | &resp->params.psmode_enh; | |
1359 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1360 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1361 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1362 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 | 1363 | |
aea0701e YAP |
1364 | dev_dbg(adapter->dev, |
1365 | "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1366 | __func__, resp->result, action); | |
5e6e3a92 BZ |
1367 | if (action == EN_AUTO_PS) { |
1368 | if (auto_ps_bitmap & BITMAP_AUTO_DS) { | |
1369 | dev_dbg(adapter->dev, "cmd: Enabled auto deep sleep\n"); | |
1370 | priv->adapter->is_deep_sleep = true; | |
1371 | } | |
1372 | if (auto_ps_bitmap & BITMAP_STA_PS) { | |
1373 | dev_dbg(adapter->dev, "cmd: Enabled STA power save\n"); | |
1374 | if (adapter->sleep_period.period) | |
aea0701e YAP |
1375 | dev_dbg(adapter->dev, |
1376 | "cmd: set to uapsd/pps mode\n"); | |
5e6e3a92 BZ |
1377 | } |
1378 | } else if (action == DIS_AUTO_PS) { | |
1379 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
1380 | priv->adapter->is_deep_sleep = false; | |
1381 | dev_dbg(adapter->dev, "cmd: Disabled auto deep sleep\n"); | |
1382 | } | |
1383 | if (ps_bitmap & BITMAP_STA_PS) { | |
1384 | dev_dbg(adapter->dev, "cmd: Disabled STA power save\n"); | |
1385 | if (adapter->sleep_period.period) { | |
1386 | adapter->delay_null_pkt = false; | |
1387 | adapter->tx_lock_flag = false; | |
1388 | adapter->pps_uapsd_mode = false; | |
1389 | } | |
1390 | } | |
1391 | } else if (action == GET_PS) { | |
2b06bdbe | 1392 | if (ps_bitmap & BITMAP_STA_PS) |
5e6e3a92 BZ |
1393 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
1394 | else | |
1395 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
1396 | ||
1397 | dev_dbg(adapter->dev, "cmd: ps_bitmap=%#x\n", ps_bitmap); | |
1398 | ||
a5ffddb7 | 1399 | if (pm_cfg) { |
5e6e3a92 | 1400 | /* This section is for get power save mode */ |
5e6e3a92 BZ |
1401 | if (ps_bitmap & BITMAP_STA_PS) |
1402 | pm_cfg->param.ps_mode = 1; | |
1403 | else | |
1404 | pm_cfg->param.ps_mode = 0; | |
1405 | } | |
1406 | } | |
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * This function prepares command to get hardware specifications. | |
1412 | * | |
1413 | * Preparation includes - | |
1414 | * - Setting command ID, action and proper size | |
1415 | * - Setting permanent address parameter | |
1416 | * - Ensuring correct endian-ness | |
1417 | */ | |
1418 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1419 | struct host_cmd_ds_command *cmd) | |
1420 | { | |
1421 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1422 | ||
1423 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1424 | cmd->size = | |
1425 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1426 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1427 | ||
1428 | return 0; | |
1429 | } | |
1430 | ||
1431 | /* | |
1432 | * This function handles the command response of get hardware | |
1433 | * specifications. | |
1434 | * | |
1435 | * Handling includes changing the header fields into CPU format | |
1436 | * and saving/updating the following parameters in driver - | |
1437 | * - Firmware capability information | |
1438 | * - Firmware band settings | |
1439 | * - Ad-hoc start band and channel | |
1440 | * - Ad-hoc 11n activation status | |
1441 | * - Firmware release number | |
1442 | * - Number of antennas | |
1443 | * - Hardware address | |
1444 | * - Hardware interface version | |
1445 | * - Firmware version | |
1446 | * - Region code | |
1447 | * - 11n capabilities | |
1448 | * - MCS support fields | |
1449 | * - MP end port | |
1450 | */ | |
1451 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1452 | struct host_cmd_ds_command *resp) | |
1453 | { | |
1454 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1455 | struct mwifiex_adapter *adapter = priv->adapter; | |
1456 | int i; | |
1457 | ||
1458 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1459 | ||
1460 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1461 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1462 | else | |
1463 | adapter->fw_bands = BAND_B; | |
1464 | ||
1465 | adapter->config_bands = adapter->fw_bands; | |
1466 | ||
1467 | if (adapter->fw_bands & BAND_A) { | |
1468 | if (adapter->fw_bands & BAND_GN) { | |
1469 | adapter->config_bands |= BAND_AN; | |
1470 | adapter->fw_bands |= BAND_AN; | |
1471 | } | |
1472 | if (adapter->fw_bands & BAND_AN) { | |
1473 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1474 | adapter->adhoc_11n_enabled = true; | |
1475 | } else { | |
1476 | adapter->adhoc_start_band = BAND_A; | |
1477 | } | |
1478 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1479 | } else if (adapter->fw_bands & BAND_GN) { | |
1480 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1481 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1482 | adapter->adhoc_11n_enabled = true; | |
1483 | } else if (adapter->fw_bands & BAND_G) { | |
1484 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1485 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1486 | } else if (adapter->fw_bands & BAND_B) { | |
1487 | adapter->adhoc_start_band = BAND_B; | |
1488 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1489 | } | |
1490 | ||
1491 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
1492 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); | |
1493 | ||
a5f39056 YAP |
1494 | if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { |
1495 | adapter->is_hw_11ac_capable = true; | |
1496 | ||
1497 | /* Copy 11AC cap */ | |
1498 | adapter->hw_dot_11ac_dev_cap = | |
1499 | le32_to_cpu(hw_spec->dot_11ac_dev_cap); | |
1500 | adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap; | |
1501 | adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap; | |
1502 | ||
1503 | /* Copy 11AC mcs */ | |
1504 | adapter->hw_dot_11ac_mcs_support = | |
1505 | le32_to_cpu(hw_spec->dot_11ac_mcs_support); | |
1506 | adapter->usr_dot_11ac_mcs_support = | |
1507 | adapter->hw_dot_11ac_mcs_support; | |
1508 | } else { | |
1509 | adapter->is_hw_11ac_capable = false; | |
1510 | } | |
1511 | ||
5e6e3a92 | 1512 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", |
aea0701e | 1513 | adapter->fw_release_number); |
5e6e3a92 | 1514 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", |
aea0701e YAP |
1515 | hw_spec->permanent_addr); |
1516 | dev_dbg(adapter->dev, | |
1517 | "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
5e6e3a92 | 1518 | le16_to_cpu(hw_spec->hw_if_version), |
aea0701e | 1519 | le16_to_cpu(hw_spec->version)); |
5e6e3a92 BZ |
1520 | |
1521 | if (priv->curr_addr[0] == 0xff) | |
1522 | memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); | |
1523 | ||
1524 | adapter->region_code = le16_to_cpu(hw_spec->region_code); | |
1525 | ||
1526 | for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) | |
1527 | /* Use the region code to search for the index */ | |
1528 | if (adapter->region_code == region_code_index[i]) | |
1529 | break; | |
1530 | ||
1531 | /* If it's unidentified region code, use the default (USA) */ | |
1532 | if (i >= MWIFIEX_MAX_REGION_CODE) { | |
1533 | adapter->region_code = 0x10; | |
aea0701e YAP |
1534 | dev_dbg(adapter->dev, |
1535 | "cmd: unknown region code, use default (USA)\n"); | |
5e6e3a92 BZ |
1536 | } |
1537 | ||
1538 | adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); | |
5e6e3a92 | 1539 | adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; |
5e6e3a92 BZ |
1540 | |
1541 | if (adapter->if_ops.update_mp_end_port) | |
1542 | adapter->if_ops.update_mp_end_port(adapter, | |
1543 | le16_to_cpu(hw_spec->mp_end_port)); | |
1544 | ||
1545 | return 0; | |
1546 | } |