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