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, | |
fa0ecbb9 | 40 | u32 cmd_oid, void *data_buf, bool sync) |
5e6e3a92 BZ |
41 | { |
42 | cmd_node->priv = priv; | |
43 | cmd_node->cmd_oid = cmd_oid; | |
fa0ecbb9 BZ |
44 | if (sync) { |
45 | cmd_node->wait_q_enabled = true; | |
efaaa8b8 AK |
46 | cmd_node->cmd_wait_q_woken = false; |
47 | cmd_node->condition = &cmd_node->cmd_wait_q_woken; | |
48 | } | |
5e6e3a92 BZ |
49 | cmd_node->data_buf = data_buf; |
50 | cmd_node->cmd_skb = cmd_node->skb; | |
51 | } | |
52 | ||
53 | /* | |
54 | * This function returns a command node from the free queue depending upon | |
55 | * availability. | |
56 | */ | |
57 | static struct cmd_ctrl_node * | |
58 | mwifiex_get_cmd_node(struct mwifiex_adapter *adapter) | |
59 | { | |
60 | struct cmd_ctrl_node *cmd_node; | |
61 | unsigned long flags; | |
62 | ||
63 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
64 | if (list_empty(&adapter->cmd_free_q)) { | |
65 | dev_err(adapter->dev, "GET_CMD_NODE: cmd node not available\n"); | |
66 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
67 | return NULL; | |
68 | } | |
69 | cmd_node = list_first_entry(&adapter->cmd_free_q, | |
aea0701e | 70 | struct cmd_ctrl_node, list); |
5e6e3a92 BZ |
71 | list_del(&cmd_node->list); |
72 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
73 | ||
74 | return cmd_node; | |
75 | } | |
76 | ||
77 | /* | |
78 | * This function cleans up a command node. | |
79 | * | |
80 | * The function resets the fields including the buffer pointers. | |
81 | * This function does not try to free the buffers. They must be | |
82 | * freed before calling this function. | |
83 | * | |
84 | * This function will however call the receive completion callback | |
85 | * in case a response buffer is still available before resetting | |
86 | * the pointer. | |
87 | */ | |
88 | static void | |
89 | mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter, | |
90 | struct cmd_ctrl_node *cmd_node) | |
91 | { | |
92 | cmd_node->cmd_oid = 0; | |
93 | cmd_node->cmd_flag = 0; | |
5e6e3a92 | 94 | cmd_node->data_buf = NULL; |
600f5d90 | 95 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 96 | |
5cf80993 AK |
97 | if (cmd_node->cmd_skb) |
98 | skb_trim(cmd_node->cmd_skb, 0); | |
99 | ||
5e6e3a92 | 100 | if (cmd_node->resp_skb) { |
d930faee | 101 | adapter->if_ops.cmdrsp_complete(adapter, cmd_node->resp_skb); |
5e6e3a92 BZ |
102 | cmd_node->resp_skb = NULL; |
103 | } | |
5e6e3a92 BZ |
104 | } |
105 | ||
5e6e3a92 BZ |
106 | /* |
107 | * This function sends a host command to the firmware. | |
108 | * | |
109 | * The function copies the host command into the driver command | |
110 | * buffer, which will be transferred to the firmware later by the | |
111 | * main thread. | |
112 | */ | |
113 | static int mwifiex_cmd_host_cmd(struct mwifiex_private *priv, | |
a5ffddb7 AK |
114 | struct host_cmd_ds_command *cmd, |
115 | struct mwifiex_ds_misc_cmd *pcmd_ptr) | |
5e6e3a92 | 116 | { |
5e6e3a92 | 117 | /* Copy the HOST command to command buffer */ |
a5ffddb7 | 118 | memcpy(cmd, pcmd_ptr->cmd, pcmd_ptr->len); |
5e6e3a92 BZ |
119 | dev_dbg(priv->adapter->dev, "cmd: host cmd size = %d\n", pcmd_ptr->len); |
120 | return 0; | |
121 | } | |
122 | ||
123 | /* | |
124 | * This function downloads a command to the firmware. | |
125 | * | |
126 | * The function performs sanity tests, sets the command sequence | |
127 | * number and size, converts the header fields to CPU format before | |
128 | * sending. Afterwards, it logs the command ID and action for debugging | |
129 | * and sets up the command timeout timer. | |
130 | */ | |
131 | static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, | |
132 | struct cmd_ctrl_node *cmd_node) | |
133 | { | |
134 | ||
135 | struct mwifiex_adapter *adapter = priv->adapter; | |
270e58e8 | 136 | int ret; |
5e6e3a92 | 137 | struct host_cmd_ds_command *host_cmd; |
5e6e3a92 BZ |
138 | uint16_t cmd_code; |
139 | uint16_t cmd_size; | |
140 | struct timeval tstamp; | |
141 | unsigned long flags; | |
4daffe35 | 142 | __le32 tmp; |
5e6e3a92 BZ |
143 | |
144 | if (!adapter || !cmd_node) | |
145 | return -1; | |
146 | ||
147 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
5e6e3a92 BZ |
148 | |
149 | /* Sanity test */ | |
150 | if (host_cmd == NULL || host_cmd->size == 0) { | |
151 | dev_err(adapter->dev, "DNLD_CMD: host_cmd is null" | |
152 | " or cmd size is 0, not sending\n"); | |
600f5d90 AK |
153 | if (cmd_node->wait_q_enabled) |
154 | adapter->cmd_wait_q.status = -1; | |
9908b074 | 155 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
5e6e3a92 BZ |
156 | return -1; |
157 | } | |
158 | ||
a3e240ca BZ |
159 | cmd_code = le16_to_cpu(host_cmd->command); |
160 | cmd_size = le16_to_cpu(host_cmd->size); | |
161 | ||
162 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET && | |
163 | cmd_code != HostCmd_CMD_FUNC_SHUTDOWN && | |
164 | cmd_code != HostCmd_CMD_FUNC_INIT) { | |
165 | dev_err(adapter->dev, | |
166 | "DNLD_CMD: FW in reset state, ignore cmd %#x\n", | |
167 | cmd_code); | |
ace27355 AK |
168 | if (cmd_node->wait_q_enabled) |
169 | mwifiex_complete_cmd(adapter, cmd_node); | |
9908b074 | 170 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
ace27355 | 171 | queue_work(adapter->workqueue, &adapter->main_work); |
a3e240ca BZ |
172 | return -1; |
173 | } | |
174 | ||
5e6e3a92 BZ |
175 | /* Set command sequence number */ |
176 | adapter->seq_num++; | |
177 | host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO | |
aea0701e YAP |
178 | (adapter->seq_num, |
179 | cmd_node->priv->bss_num, | |
180 | cmd_node->priv->bss_type)); | |
5e6e3a92 BZ |
181 | |
182 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
183 | adapter->curr_cmd = cmd_node; | |
184 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
185 | ||
da25186f SP |
186 | /* Adjust skb length */ |
187 | if (cmd_node->cmd_skb->len > cmd_size) | |
188 | /* | |
189 | * cmd_size is less than sizeof(struct host_cmd_ds_command). | |
190 | * Trim off the unused portion. | |
191 | */ | |
192 | skb_trim(cmd_node->cmd_skb, cmd_size); | |
193 | else if (cmd_node->cmd_skb->len < cmd_size) | |
194 | /* | |
195 | * cmd_size is larger than sizeof(struct host_cmd_ds_command) | |
196 | * because we have appended custom IE TLV. Increase skb length | |
197 | * accordingly. | |
198 | */ | |
199 | skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); | |
5e6e3a92 BZ |
200 | |
201 | do_gettimeofday(&tstamp); | |
202 | dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," | |
203 | " seqno %#x\n", | |
204 | tstamp.tv_sec, tstamp.tv_usec, cmd_code, | |
aea0701e YAP |
205 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)), cmd_size, |
206 | le16_to_cpu(host_cmd->seq_num)); | |
5e6e3a92 | 207 | |
4daffe35 AK |
208 | if (adapter->iface_type == MWIFIEX_USB) { |
209 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
210 | skb_push(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
211 | memcpy(cmd_node->cmd_skb->data, &tmp, MWIFIEX_TYPE_LEN); | |
212 | adapter->cmd_sent = true; | |
213 | ret = adapter->if_ops.host_to_card(adapter, | |
214 | MWIFIEX_USB_EP_CMD_EVENT, | |
215 | cmd_node->cmd_skb, NULL); | |
216 | skb_pull(cmd_node->cmd_skb, MWIFIEX_TYPE_LEN); | |
217 | if (ret == -EBUSY) | |
218 | cmd_node->cmd_skb = NULL; | |
219 | } else { | |
220 | skb_push(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
221 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
222 | cmd_node->cmd_skb, NULL); | |
223 | skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); | |
224 | } | |
18bf9657 | 225 | |
5e6e3a92 BZ |
226 | if (ret == -1) { |
227 | dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); | |
4daffe35 AK |
228 | if (adapter->iface_type == MWIFIEX_USB) |
229 | adapter->cmd_sent = false; | |
600f5d90 AK |
230 | if (cmd_node->wait_q_enabled) |
231 | adapter->cmd_wait_q.status = -1; | |
9908b074 | 232 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
233 | |
234 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
235 | adapter->curr_cmd = NULL; | |
236 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
237 | ||
238 | adapter->dbg.num_cmd_host_to_card_failure++; | |
239 | return -1; | |
240 | } | |
241 | ||
242 | /* Save the last command id and action to debug log */ | |
243 | adapter->dbg.last_cmd_index = | |
aea0701e | 244 | (adapter->dbg.last_cmd_index + 1) % DBG_CMD_NUM; |
5e6e3a92 BZ |
245 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index] = cmd_code; |
246 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index] = | |
aea0701e | 247 | le16_to_cpu(*(__le16 *) ((u8 *) host_cmd + S_DS_GEN)); |
5e6e3a92 BZ |
248 | |
249 | /* Clear BSS_NO_BITS from HostCmd */ | |
250 | cmd_code &= HostCmd_CMD_ID_MASK; | |
251 | ||
252 | /* Setup the timer after transmit command */ | |
253 | mod_timer(&adapter->cmd_timer, | |
4587eea5 | 254 | jiffies + msecs_to_jiffies(MWIFIEX_TIMER_10S)); |
5e6e3a92 BZ |
255 | |
256 | return 0; | |
257 | } | |
258 | ||
259 | /* | |
260 | * This function downloads a sleep confirm command to the firmware. | |
261 | * | |
262 | * The function performs sanity tests, sets the command sequence | |
263 | * number and size, converts the header fields to CPU format before | |
264 | * sending. | |
265 | * | |
266 | * No responses are needed for sleep confirm command. | |
267 | */ | |
268 | static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) | |
269 | { | |
270e58e8 | 270 | int ret; |
5e6e3a92 | 271 | struct mwifiex_private *priv; |
7cc5eb62 AK |
272 | struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = |
273 | (struct mwifiex_opt_sleep_confirm *) | |
aea0701e | 274 | adapter->sleep_cfm->data; |
4daffe35 AK |
275 | struct sk_buff *sleep_cfm_tmp; |
276 | __le32 tmp; | |
277 | ||
5e6e3a92 BZ |
278 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
279 | ||
b49f639f | 280 | adapter->seq_num++; |
7cc5eb62 | 281 | sleep_cfm_buf->seq_num = |
5e6e3a92 BZ |
282 | cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO |
283 | (adapter->seq_num, priv->bss_num, | |
284 | priv->bss_type))); | |
5e6e3a92 | 285 | |
4daffe35 AK |
286 | if (adapter->iface_type == MWIFIEX_USB) { |
287 | sleep_cfm_tmp = | |
288 | dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm) | |
289 | + MWIFIEX_TYPE_LEN); | |
290 | skb_put(sleep_cfm_tmp, sizeof(struct mwifiex_opt_sleep_confirm) | |
291 | + MWIFIEX_TYPE_LEN); | |
292 | tmp = cpu_to_le32(MWIFIEX_USB_TYPE_CMD); | |
293 | memcpy(sleep_cfm_tmp->data, &tmp, MWIFIEX_TYPE_LEN); | |
294 | memcpy(sleep_cfm_tmp->data + MWIFIEX_TYPE_LEN, | |
295 | adapter->sleep_cfm->data, | |
296 | sizeof(struct mwifiex_opt_sleep_confirm)); | |
297 | ret = adapter->if_ops.host_to_card(adapter, | |
298 | MWIFIEX_USB_EP_CMD_EVENT, | |
299 | sleep_cfm_tmp, NULL); | |
300 | if (ret != -EBUSY) | |
301 | dev_kfree_skb_any(sleep_cfm_tmp); | |
302 | } else { | |
303 | skb_push(adapter->sleep_cfm, INTF_HEADER_LEN); | |
304 | ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_CMD, | |
305 | adapter->sleep_cfm, NULL); | |
306 | skb_pull(adapter->sleep_cfm, INTF_HEADER_LEN); | |
307 | } | |
5e6e3a92 BZ |
308 | |
309 | if (ret == -1) { | |
310 | dev_err(adapter->dev, "SLEEP_CFM: failed\n"); | |
311 | adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure++; | |
312 | return -1; | |
313 | } | |
314 | if (GET_BSS_ROLE(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY)) | |
aea0701e | 315 | == MWIFIEX_BSS_ROLE_STA) { |
4348d085 | 316 | if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl)) |
5e6e3a92 BZ |
317 | /* Response is not needed for sleep |
318 | confirm command */ | |
319 | adapter->ps_state = PS_STATE_SLEEP; | |
320 | else | |
321 | adapter->ps_state = PS_STATE_SLEEP_CFM; | |
322 | ||
4348d085 | 323 | if (!le16_to_cpu(sleep_cfm_buf->resp_ctrl) && |
aea0701e YAP |
324 | (adapter->is_hs_configured && |
325 | !adapter->sleep_period.period)) { | |
5e6e3a92 | 326 | adapter->pm_wakeup_card_req = true; |
aea0701e YAP |
327 | mwifiex_hs_activated_event(mwifiex_get_priv |
328 | (adapter, MWIFIEX_BSS_ROLE_STA), true); | |
5e6e3a92 BZ |
329 | } |
330 | } | |
331 | ||
332 | return ret; | |
333 | } | |
334 | ||
335 | /* | |
336 | * This function allocates the command buffers and links them to | |
337 | * the command free queue. | |
338 | * | |
339 | * The driver uses a pre allocated number of command buffers, which | |
340 | * are created at driver initializations and freed at driver cleanup. | |
341 | * Every command needs to obtain a command buffer from this pool before | |
342 | * it can be issued. The command free queue lists the command buffers | |
343 | * currently free to use, while the command pending queue lists the | |
344 | * command buffers already in use and awaiting handling. Command buffers | |
345 | * are returned to the free queue after use. | |
346 | */ | |
347 | int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter *adapter) | |
348 | { | |
349 | struct cmd_ctrl_node *cmd_array; | |
5e6e3a92 BZ |
350 | u32 i; |
351 | ||
352 | /* Allocate and initialize struct cmd_ctrl_node */ | |
0d2e7a5c JP |
353 | cmd_array = kcalloc(MWIFIEX_NUM_OF_CMD_BUFFER, |
354 | sizeof(struct cmd_ctrl_node), GFP_KERNEL); | |
355 | if (!cmd_array) | |
b53575ec | 356 | return -ENOMEM; |
5e6e3a92 BZ |
357 | |
358 | adapter->cmd_pool = cmd_array; | |
5e6e3a92 BZ |
359 | |
360 | /* Allocate and initialize command buffers */ | |
361 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
362 | cmd_array[i].skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER); | |
363 | if (!cmd_array[i].skb) { | |
364 | dev_err(adapter->dev, "ALLOC_CMD_BUF: out of memory\n"); | |
365 | return -1; | |
366 | } | |
367 | } | |
368 | ||
369 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) | |
370 | mwifiex_insert_cmd_to_free_q(adapter, &cmd_array[i]); | |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
375 | /* | |
376 | * This function frees the command buffers. | |
377 | * | |
378 | * The function calls the completion callback for all the command | |
379 | * buffers that still have response buffers associated with them. | |
380 | */ | |
381 | int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) | |
382 | { | |
383 | struct cmd_ctrl_node *cmd_array; | |
384 | u32 i; | |
385 | ||
386 | /* Need to check if cmd pool is allocated or not */ | |
387 | if (!adapter->cmd_pool) { | |
388 | dev_dbg(adapter->dev, "info: FREE_CMD_BUF: cmd_pool is null\n"); | |
389 | return 0; | |
390 | } | |
391 | ||
392 | cmd_array = adapter->cmd_pool; | |
393 | ||
394 | /* Release shared memory buffers */ | |
395 | for (i = 0; i < MWIFIEX_NUM_OF_CMD_BUFFER; i++) { | |
396 | if (cmd_array[i].skb) { | |
397 | dev_dbg(adapter->dev, "cmd: free cmd buffer %d\n", i); | |
398 | dev_kfree_skb_any(cmd_array[i].skb); | |
399 | } | |
400 | if (!cmd_array[i].resp_skb) | |
401 | continue; | |
4daffe35 AK |
402 | |
403 | if (adapter->iface_type == MWIFIEX_USB) | |
404 | adapter->if_ops.cmdrsp_complete(adapter, | |
405 | cmd_array[i].resp_skb); | |
406 | else | |
407 | dev_kfree_skb_any(cmd_array[i].resp_skb); | |
5e6e3a92 BZ |
408 | } |
409 | /* Release struct cmd_ctrl_node */ | |
410 | if (adapter->cmd_pool) { | |
411 | dev_dbg(adapter->dev, "cmd: free cmd pool\n"); | |
412 | kfree(adapter->cmd_pool); | |
413 | adapter->cmd_pool = NULL; | |
414 | } | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
419 | /* | |
420 | * This function handles events generated by firmware. | |
421 | * | |
422 | * Event body of events received from firmware are not used (though they are | |
423 | * saved), only the event ID is used. Some events are re-invoked by | |
424 | * the driver, with a new event body. | |
425 | * | |
426 | * After processing, the function calls the completion callback | |
427 | * for cleanup. | |
428 | */ | |
429 | int mwifiex_process_event(struct mwifiex_adapter *adapter) | |
430 | { | |
270e58e8 | 431 | int ret; |
5e6e3a92 BZ |
432 | struct mwifiex_private *priv = |
433 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
434 | struct sk_buff *skb = adapter->event_skb; | |
435 | u32 eventcause = adapter->event_cause; | |
436 | struct timeval tstamp; | |
270e58e8 | 437 | struct mwifiex_rxinfo *rx_info; |
5e6e3a92 BZ |
438 | |
439 | /* Save the last event to debug log */ | |
440 | adapter->dbg.last_event_index = | |
aea0701e | 441 | (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 442 | adapter->dbg.last_event[adapter->dbg.last_event_index] = |
aea0701e | 443 | (u16) eventcause; |
5e6e3a92 BZ |
444 | |
445 | /* Get BSS number and corresponding priv */ | |
446 | priv = mwifiex_get_priv_by_id(adapter, EVENT_GET_BSS_NUM(eventcause), | |
447 | EVENT_GET_BSS_TYPE(eventcause)); | |
448 | if (!priv) | |
449 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
450 | /* Clear BSS_NO_BITS from event */ | |
451 | eventcause &= EVENT_ID_MASK; | |
452 | adapter->event_cause = eventcause; | |
453 | ||
454 | if (skb) { | |
455 | rx_info = MWIFIEX_SKB_RXCB(skb); | |
9da9a3b2 YAP |
456 | rx_info->bss_num = priv->bss_num; |
457 | rx_info->bss_type = priv->bss_type; | |
5e6e3a92 BZ |
458 | } |
459 | ||
460 | if (eventcause != EVENT_PS_SLEEP && eventcause != EVENT_PS_AWAKE) { | |
461 | do_gettimeofday(&tstamp); | |
462 | dev_dbg(adapter->dev, "event: %lu.%lu: cause: %#x\n", | |
aea0701e | 463 | tstamp.tv_sec, tstamp.tv_usec, eventcause); |
03785387 AP |
464 | } else { |
465 | /* Handle PS_SLEEP/AWAKE events on STA */ | |
466 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); | |
467 | if (!priv) | |
468 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
5e6e3a92 BZ |
469 | } |
470 | ||
3d99d987 AP |
471 | if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) |
472 | ret = mwifiex_process_uap_event(priv); | |
473 | else | |
474 | ret = mwifiex_process_sta_event(priv); | |
5e6e3a92 BZ |
475 | |
476 | adapter->event_cause = 0; | |
477 | adapter->event_skb = NULL; | |
d930faee | 478 | adapter->if_ops.event_complete(adapter, skb); |
5e6e3a92 BZ |
479 | |
480 | return ret; | |
481 | } | |
482 | ||
483 | /* | |
fa0ecbb9 | 484 | * This function prepares a command and send it to the firmware. |
5e6e3a92 BZ |
485 | * |
486 | * Preparation includes - | |
487 | * - Sanity tests to make sure the card is still present or the FW | |
488 | * is not reset | |
489 | * - Getting a new command node from the command free queue | |
490 | * - Initializing the command node for default parameters | |
491 | * - Fill up the non-default parameters and buffer pointers | |
492 | * - Add the command to pending queue | |
493 | */ | |
fa0ecbb9 BZ |
494 | int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no, |
495 | u16 cmd_action, u32 cmd_oid, void *data_buf, bool sync) | |
5e6e3a92 | 496 | { |
270e58e8 | 497 | int ret; |
5e6e3a92 | 498 | struct mwifiex_adapter *adapter = priv->adapter; |
270e58e8 YAP |
499 | struct cmd_ctrl_node *cmd_node; |
500 | struct host_cmd_ds_command *cmd_ptr; | |
5e6e3a92 BZ |
501 | |
502 | if (!adapter) { | |
503 | pr_err("PREP_CMD: adapter is NULL\n"); | |
504 | return -1; | |
505 | } | |
506 | ||
507 | if (adapter->is_suspended) { | |
508 | dev_err(adapter->dev, "PREP_CMD: device in suspended state\n"); | |
509 | return -1; | |
510 | } | |
511 | ||
c0dbba66 AK |
512 | if (adapter->hs_enabling && cmd_no != HostCmd_CMD_802_11_HS_CFG_ENH) { |
513 | dev_err(adapter->dev, "PREP_CMD: host entering sleep state\n"); | |
514 | return -1; | |
515 | } | |
516 | ||
5e6e3a92 BZ |
517 | if (adapter->surprise_removed) { |
518 | dev_err(adapter->dev, "PREP_CMD: card is removed\n"); | |
519 | return -1; | |
520 | } | |
521 | ||
0c9c4a09 | 522 | if (adapter->is_cmd_timedout) { |
38ec3f3f AK |
523 | dev_err(adapter->dev, "PREP_CMD: FW is in bad state\n"); |
524 | return -1; | |
525 | } | |
526 | ||
5e6e3a92 BZ |
527 | if (adapter->hw_status == MWIFIEX_HW_STATUS_RESET) { |
528 | if (cmd_no != HostCmd_CMD_FUNC_INIT) { | |
529 | dev_err(adapter->dev, "PREP_CMD: FW in reset state\n"); | |
530 | return -1; | |
531 | } | |
532 | } | |
533 | ||
534 | /* Get a new command node */ | |
535 | cmd_node = mwifiex_get_cmd_node(adapter); | |
536 | ||
537 | if (!cmd_node) { | |
538 | dev_err(adapter->dev, "PREP_CMD: no free cmd node\n"); | |
539 | return -1; | |
540 | } | |
541 | ||
542 | /* Initialize the command node */ | |
fa0ecbb9 | 543 | mwifiex_init_cmd_node(priv, cmd_node, cmd_oid, data_buf, sync); |
5e6e3a92 BZ |
544 | |
545 | if (!cmd_node->cmd_skb) { | |
546 | dev_err(adapter->dev, "PREP_CMD: no free cmd buf\n"); | |
547 | return -1; | |
548 | } | |
549 | ||
550 | memset(skb_put(cmd_node->cmd_skb, sizeof(struct host_cmd_ds_command)), | |
551 | 0, sizeof(struct host_cmd_ds_command)); | |
552 | ||
553 | cmd_ptr = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
554 | cmd_ptr->command = cpu_to_le16(cmd_no); | |
555 | cmd_ptr->result = 0; | |
556 | ||
557 | /* Prepare command */ | |
558 | if (cmd_no) { | |
40d07030 AP |
559 | switch (cmd_no) { |
560 | case HostCmd_CMD_UAP_SYS_CONFIG: | |
561 | case HostCmd_CMD_UAP_BSS_START: | |
562 | case HostCmd_CMD_UAP_BSS_STOP: | |
0f9e9b8b | 563 | case HostCmd_CMD_UAP_STA_DEAUTH: |
40d07030 AP |
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 */ | |
21f58d20 AK |
588 | if (cmd_no == HostCmd_CMD_802_11_SCAN || |
589 | cmd_no == HostCmd_CMD_802_11_SCAN_EXT) { | |
5e6e3a92 | 590 | mwifiex_queue_scan_cmd(priv, cmd_node); |
efaaa8b8 | 591 | } else { |
5e6e3a92 | 592 | mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); |
1a1fb970 | 593 | queue_work(adapter->workqueue, &adapter->main_work); |
00d7ea11 AK |
594 | if (cmd_node->wait_q_enabled) |
595 | ret = mwifiex_wait_queue_complete(adapter, cmd_node); | |
efaaa8b8 | 596 | } |
5e6e3a92 BZ |
597 | |
598 | return ret; | |
599 | } | |
600 | ||
601 | /* | |
602 | * This function returns a command to the command free queue. | |
603 | * | |
604 | * The function also calls the completion callback if required, before | |
605 | * cleaning the command node and re-inserting it into the free queue. | |
606 | */ | |
607 | void | |
608 | mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter *adapter, | |
609 | struct cmd_ctrl_node *cmd_node) | |
610 | { | |
5e6e3a92 BZ |
611 | unsigned long flags; |
612 | ||
19a89860 | 613 | if (!cmd_node) |
5e6e3a92 | 614 | return; |
600f5d90 AK |
615 | |
616 | if (cmd_node->wait_q_enabled) | |
efaaa8b8 | 617 | mwifiex_complete_cmd(adapter, cmd_node); |
5e6e3a92 BZ |
618 | /* Clean the node */ |
619 | mwifiex_clean_cmd_node(adapter, cmd_node); | |
620 | ||
621 | /* Insert node into cmd_free_q */ | |
622 | spin_lock_irqsave(&adapter->cmd_free_q_lock, flags); | |
623 | list_add_tail(&cmd_node->list, &adapter->cmd_free_q); | |
624 | spin_unlock_irqrestore(&adapter->cmd_free_q_lock, flags); | |
5e6e3a92 BZ |
625 | } |
626 | ||
9908b074 BZ |
627 | /* This function reuses a command node. */ |
628 | void mwifiex_recycle_cmd_node(struct mwifiex_adapter *adapter, | |
629 | struct cmd_ctrl_node *cmd_node) | |
630 | { | |
631 | struct host_cmd_ds_command *host_cmd = (void *)cmd_node->cmd_skb->data; | |
632 | ||
633 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
634 | ||
635 | atomic_dec(&adapter->cmd_pending); | |
636 | dev_dbg(adapter->dev, "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n", | |
637 | le16_to_cpu(host_cmd->command), | |
638 | atomic_read(&adapter->cmd_pending)); | |
639 | } | |
640 | ||
5e6e3a92 BZ |
641 | /* |
642 | * This function queues a command to the command pending queue. | |
643 | * | |
644 | * This in effect adds the command to the command list to be executed. | |
645 | * Exit PS command is handled specially, by placing it always to the | |
646 | * front of the command queue. | |
647 | */ | |
648 | void | |
649 | mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter *adapter, | |
650 | struct cmd_ctrl_node *cmd_node, u32 add_tail) | |
651 | { | |
652 | struct host_cmd_ds_command *host_cmd = NULL; | |
653 | u16 command; | |
654 | unsigned long flags; | |
655 | ||
656 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
657 | if (!host_cmd) { | |
658 | dev_err(adapter->dev, "QUEUE_CMD: host_cmd is NULL\n"); | |
659 | return; | |
660 | } | |
661 | ||
662 | command = le16_to_cpu(host_cmd->command); | |
663 | ||
664 | /* Exit_PS command needs to be queued in the header always. */ | |
665 | if (command == HostCmd_CMD_802_11_PS_MODE_ENH) { | |
666 | struct host_cmd_ds_802_11_ps_mode_enh *pm = | |
aea0701e YAP |
667 | &host_cmd->params.psmode_enh; |
668 | if ((le16_to_cpu(pm->action) == DIS_PS) || | |
669 | (le16_to_cpu(pm->action) == DIS_AUTO_PS)) { | |
5e6e3a92 BZ |
670 | if (adapter->ps_state != PS_STATE_AWAKE) |
671 | add_tail = false; | |
672 | } | |
673 | } | |
674 | ||
675 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
676 | if (add_tail) | |
677 | list_add_tail(&cmd_node->list, &adapter->cmd_pending_q); | |
678 | else | |
679 | list_add(&cmd_node->list, &adapter->cmd_pending_q); | |
680 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
681 | ||
9908b074 BZ |
682 | atomic_inc(&adapter->cmd_pending); |
683 | dev_dbg(adapter->dev, "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n", | |
684 | command, atomic_read(&adapter->cmd_pending)); | |
5e6e3a92 BZ |
685 | } |
686 | ||
687 | /* | |
688 | * This function executes the next command in command pending queue. | |
689 | * | |
690 | * This function will fail if a command is already in processing stage, | |
691 | * otherwise it will dequeue the first command from the command pending | |
692 | * queue and send to the firmware. | |
693 | * | |
694 | * If the device is currently in host sleep mode, any commands, except the | |
695 | * host sleep configuration command will de-activate the host sleep. For PS | |
696 | * mode, the function will put the firmware back to sleep if applicable. | |
697 | */ | |
698 | int mwifiex_exec_next_cmd(struct mwifiex_adapter *adapter) | |
699 | { | |
270e58e8 YAP |
700 | struct mwifiex_private *priv; |
701 | struct cmd_ctrl_node *cmd_node; | |
5e6e3a92 BZ |
702 | int ret = 0; |
703 | struct host_cmd_ds_command *host_cmd; | |
704 | unsigned long cmd_flags; | |
705 | unsigned long cmd_pending_q_flags; | |
706 | ||
707 | /* Check if already in processing */ | |
708 | if (adapter->curr_cmd) { | |
709 | dev_err(adapter->dev, "EXEC_NEXT_CMD: cmd in processing\n"); | |
710 | return -1; | |
711 | } | |
712 | ||
713 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
714 | /* Check if any command is pending */ | |
715 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
716 | if (list_empty(&adapter->cmd_pending_q)) { | |
717 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
718 | cmd_pending_q_flags); | |
719 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
720 | return 0; | |
721 | } | |
722 | cmd_node = list_first_entry(&adapter->cmd_pending_q, | |
723 | struct cmd_ctrl_node, list); | |
724 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
725 | cmd_pending_q_flags); | |
726 | ||
727 | host_cmd = (struct host_cmd_ds_command *) (cmd_node->cmd_skb->data); | |
728 | priv = cmd_node->priv; | |
729 | ||
730 | if (adapter->ps_state != PS_STATE_AWAKE) { | |
731 | dev_err(adapter->dev, "%s: cannot send cmd in sleep state," | |
732 | " this should not happen\n", __func__); | |
733 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
734 | return ret; | |
735 | } | |
736 | ||
737 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, cmd_pending_q_flags); | |
738 | list_del(&cmd_node->list); | |
739 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, | |
740 | cmd_pending_q_flags); | |
741 | ||
742 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
743 | ret = mwifiex_dnld_cmd_to_fw(priv, cmd_node); | |
744 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
745 | /* Any command sent to the firmware when host is in sleep | |
746 | * mode should de-configure host sleep. We should skip the | |
747 | * host sleep configuration command itself though | |
748 | */ | |
749 | if (priv && (host_cmd->command != | |
750 | cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH))) { | |
751 | if (adapter->hs_activated) { | |
752 | adapter->is_hs_configured = false; | |
753 | mwifiex_hs_activated_event(priv, false); | |
754 | } | |
755 | } | |
756 | ||
757 | return ret; | |
758 | } | |
759 | ||
760 | /* | |
761 | * This function handles the command response. | |
762 | * | |
763 | * After processing, the function cleans the command node and puts | |
764 | * it back to the command free queue. | |
765 | */ | |
766 | int mwifiex_process_cmdresp(struct mwifiex_adapter *adapter) | |
767 | { | |
270e58e8 | 768 | struct host_cmd_ds_command *resp; |
5e6e3a92 BZ |
769 | struct mwifiex_private *priv = |
770 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
771 | int ret = 0; | |
772 | uint16_t orig_cmdresp_no; | |
773 | uint16_t cmdresp_no; | |
774 | uint16_t cmdresp_result; | |
5e6e3a92 BZ |
775 | struct timeval tstamp; |
776 | unsigned long flags; | |
777 | ||
778 | /* Now we got response from FW, cancel the command timer */ | |
629873f2 | 779 | del_timer_sync(&adapter->cmd_timer); |
5e6e3a92 BZ |
780 | |
781 | if (!adapter->curr_cmd || !adapter->curr_cmd->resp_skb) { | |
782 | resp = (struct host_cmd_ds_command *) adapter->upld_buf; | |
783 | dev_err(adapter->dev, "CMD_RESP: NULL curr_cmd, %#x\n", | |
aea0701e | 784 | le16_to_cpu(resp->command)); |
5e6e3a92 BZ |
785 | return -1; |
786 | } | |
787 | ||
0c9c4a09 | 788 | adapter->is_cmd_timedout = 0; |
5e6e3a92 BZ |
789 | |
790 | resp = (struct host_cmd_ds_command *) adapter->curr_cmd->resp_skb->data; | |
791 | if (adapter->curr_cmd->cmd_flag & CMD_F_CANCELED) { | |
792 | dev_err(adapter->dev, "CMD_RESP: %#x been canceled\n", | |
aea0701e | 793 | le16_to_cpu(resp->command)); |
9908b074 | 794 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
795 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
796 | adapter->curr_cmd = NULL; | |
797 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
798 | return -1; | |
799 | } | |
800 | ||
801 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
802 | /* Copy original response back to response buffer */ | |
a5ffddb7 | 803 | struct mwifiex_ds_misc_cmd *hostcmd; |
5e6e3a92 BZ |
804 | uint16_t size = le16_to_cpu(resp->size); |
805 | dev_dbg(adapter->dev, "info: host cmd resp size = %d\n", size); | |
806 | size = min_t(u16, size, MWIFIEX_SIZE_OF_CMD_BUFFER); | |
807 | if (adapter->curr_cmd->data_buf) { | |
a5ffddb7 | 808 | hostcmd = adapter->curr_cmd->data_buf; |
5e6e3a92 | 809 | hostcmd->len = size; |
a5ffddb7 | 810 | memcpy(hostcmd->cmd, resp, size); |
5e6e3a92 BZ |
811 | } |
812 | } | |
813 | orig_cmdresp_no = le16_to_cpu(resp->command); | |
814 | ||
815 | /* Get BSS number and corresponding priv */ | |
816 | priv = mwifiex_get_priv_by_id(adapter, | |
aea0701e YAP |
817 | HostCmd_GET_BSS_NO(le16_to_cpu(resp->seq_num)), |
818 | HostCmd_GET_BSS_TYPE(le16_to_cpu(resp->seq_num))); | |
5e6e3a92 BZ |
819 | if (!priv) |
820 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
821 | /* Clear RET_BIT from HostCmd */ | |
822 | resp->command = cpu_to_le16(orig_cmdresp_no & HostCmd_CMD_ID_MASK); | |
823 | ||
824 | cmdresp_no = le16_to_cpu(resp->command); | |
825 | cmdresp_result = le16_to_cpu(resp->result); | |
826 | ||
827 | /* Save the last command response to debug log */ | |
828 | adapter->dbg.last_cmd_resp_index = | |
aea0701e | 829 | (adapter->dbg.last_cmd_resp_index + 1) % DBG_CMD_NUM; |
5e6e3a92 | 830 | adapter->dbg.last_cmd_resp_id[adapter->dbg.last_cmd_resp_index] = |
aea0701e | 831 | orig_cmdresp_no; |
5e6e3a92 BZ |
832 | |
833 | do_gettimeofday(&tstamp); | |
834 | dev_dbg(adapter->dev, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d," | |
835 | " len %d, seqno 0x%x\n", | |
836 | tstamp.tv_sec, tstamp.tv_usec, orig_cmdresp_no, cmdresp_result, | |
837 | le16_to_cpu(resp->size), le16_to_cpu(resp->seq_num)); | |
838 | ||
839 | if (!(orig_cmdresp_no & HostCmd_RET_BIT)) { | |
840 | dev_err(adapter->dev, "CMD_RESP: invalid cmd resp\n"); | |
600f5d90 AK |
841 | if (adapter->curr_cmd->wait_q_enabled) |
842 | adapter->cmd_wait_q.status = -1; | |
5e6e3a92 | 843 | |
9908b074 | 844 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
845 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); |
846 | adapter->curr_cmd = NULL; | |
847 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
848 | return -1; | |
849 | } | |
850 | ||
851 | if (adapter->curr_cmd->cmd_flag & CMD_F_HOSTCMD) { | |
852 | adapter->curr_cmd->cmd_flag &= ~CMD_F_HOSTCMD; | |
aea0701e YAP |
853 | if ((cmdresp_result == HostCmd_RESULT_OK) && |
854 | (cmdresp_no == HostCmd_CMD_802_11_HS_CFG_ENH)) | |
5e6e3a92 BZ |
855 | ret = mwifiex_ret_802_11_hs_cfg(priv, resp); |
856 | } else { | |
857 | /* handle response */ | |
600f5d90 | 858 | ret = mwifiex_process_sta_cmdresp(priv, cmdresp_no, resp); |
5e6e3a92 BZ |
859 | } |
860 | ||
861 | /* Check init command response */ | |
862 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) { | |
a0f6d6ca | 863 | if (ret) { |
5e6e3a92 BZ |
864 | dev_err(adapter->dev, "%s: cmd %#x failed during " |
865 | "initialization\n", __func__, cmdresp_no); | |
866 | mwifiex_init_fw_complete(adapter); | |
867 | return -1; | |
868 | } else if (adapter->last_init_cmd == cmdresp_no) | |
869 | adapter->hw_status = MWIFIEX_HW_STATUS_INIT_DONE; | |
870 | } | |
871 | ||
872 | if (adapter->curr_cmd) { | |
a0f6d6ca AK |
873 | if (adapter->curr_cmd->wait_q_enabled) |
874 | adapter->cmd_wait_q.status = ret; | |
5e6e3a92 | 875 | |
9908b074 | 876 | mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
877 | |
878 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); | |
879 | adapter->curr_cmd = NULL; | |
880 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); | |
881 | } | |
882 | ||
883 | return ret; | |
884 | } | |
885 | ||
886 | /* | |
887 | * This function handles the timeout of command sending. | |
888 | * | |
889 | * It will re-send the same command again. | |
890 | */ | |
891 | void | |
892 | mwifiex_cmd_timeout_func(unsigned long function_context) | |
893 | { | |
894 | struct mwifiex_adapter *adapter = | |
895 | (struct mwifiex_adapter *) function_context; | |
270e58e8 | 896 | struct cmd_ctrl_node *cmd_node; |
5e6e3a92 BZ |
897 | struct timeval tstamp; |
898 | ||
0c9c4a09 | 899 | adapter->is_cmd_timedout = 1; |
5e6e3a92 BZ |
900 | if (!adapter->curr_cmd) { |
901 | dev_dbg(adapter->dev, "cmd: empty curr_cmd\n"); | |
902 | return; | |
903 | } | |
904 | cmd_node = adapter->curr_cmd; | |
5e6e3a92 BZ |
905 | if (cmd_node) { |
906 | adapter->dbg.timeout_cmd_id = | |
907 | adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; | |
908 | adapter->dbg.timeout_cmd_act = | |
909 | adapter->dbg.last_cmd_act[adapter->dbg.last_cmd_index]; | |
910 | do_gettimeofday(&tstamp); | |
aea0701e YAP |
911 | dev_err(adapter->dev, |
912 | "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n", | |
913 | __func__, tstamp.tv_sec, tstamp.tv_usec, | |
914 | adapter->dbg.timeout_cmd_id, | |
915 | adapter->dbg.timeout_cmd_act); | |
5e6e3a92 BZ |
916 | |
917 | dev_err(adapter->dev, "num_data_h2c_failure = %d\n", | |
aea0701e | 918 | adapter->dbg.num_tx_host_to_card_failure); |
5e6e3a92 | 919 | dev_err(adapter->dev, "num_cmd_h2c_failure = %d\n", |
aea0701e | 920 | adapter->dbg.num_cmd_host_to_card_failure); |
5e6e3a92 | 921 | |
0c9c4a09 AK |
922 | dev_err(adapter->dev, "is_cmd_timedout = %d\n", |
923 | adapter->is_cmd_timedout); | |
5e6e3a92 | 924 | dev_err(adapter->dev, "num_tx_timeout = %d\n", |
aea0701e | 925 | adapter->dbg.num_tx_timeout); |
5e6e3a92 BZ |
926 | |
927 | dev_err(adapter->dev, "last_cmd_index = %d\n", | |
aea0701e | 928 | adapter->dbg.last_cmd_index); |
afe3840a AE |
929 | dev_err(adapter->dev, "last_cmd_id: %*ph\n", |
930 | (int)sizeof(adapter->dbg.last_cmd_id), | |
931 | adapter->dbg.last_cmd_id); | |
932 | dev_err(adapter->dev, "last_cmd_act: %*ph\n", | |
933 | (int)sizeof(adapter->dbg.last_cmd_act), | |
934 | adapter->dbg.last_cmd_act); | |
5e6e3a92 BZ |
935 | |
936 | dev_err(adapter->dev, "last_cmd_resp_index = %d\n", | |
aea0701e | 937 | adapter->dbg.last_cmd_resp_index); |
afe3840a AE |
938 | dev_err(adapter->dev, "last_cmd_resp_id: %*ph\n", |
939 | (int)sizeof(adapter->dbg.last_cmd_resp_id), | |
940 | adapter->dbg.last_cmd_resp_id); | |
5e6e3a92 BZ |
941 | |
942 | dev_err(adapter->dev, "last_event_index = %d\n", | |
aea0701e | 943 | adapter->dbg.last_event_index); |
afe3840a AE |
944 | dev_err(adapter->dev, "last_event: %*ph\n", |
945 | (int)sizeof(adapter->dbg.last_event), | |
946 | adapter->dbg.last_event); | |
5e6e3a92 BZ |
947 | |
948 | dev_err(adapter->dev, "data_sent=%d cmd_sent=%d\n", | |
aea0701e | 949 | adapter->data_sent, adapter->cmd_sent); |
5e6e3a92 BZ |
950 | |
951 | dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", | |
aea0701e | 952 | adapter->ps_mode, adapter->ps_state); |
b1a47aa5 BZ |
953 | |
954 | if (cmd_node->wait_q_enabled) { | |
955 | adapter->cmd_wait_q.status = -ETIMEDOUT; | |
956 | wake_up_interruptible(&adapter->cmd_wait_q.wait); | |
957 | mwifiex_cancel_pending_ioctl(adapter); | |
b1a47aa5 | 958 | } |
5e6e3a92 BZ |
959 | } |
960 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) | |
961 | mwifiex_init_fw_complete(adapter); | |
d31ab357 | 962 | |
92c2538f AK |
963 | if (adapter->if_ops.fw_dump) |
964 | adapter->if_ops.fw_dump(adapter); | |
965 | ||
d31ab357 AK |
966 | if (adapter->if_ops.card_reset) |
967 | adapter->if_ops.card_reset(adapter); | |
5e6e3a92 BZ |
968 | } |
969 | ||
970 | /* | |
971 | * This function cancels all the pending commands. | |
972 | * | |
973 | * The current command, all commands in command pending queue and all scan | |
974 | * commands in scan pending queue are cancelled. All the completion callbacks | |
975 | * are called with failure status to ensure cleanup. | |
976 | */ | |
977 | void | |
978 | mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter) | |
979 | { | |
270e58e8 | 980 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; |
4af2bd49 AK |
981 | unsigned long flags, cmd_flags; |
982 | struct mwifiex_private *priv; | |
983 | int i; | |
5e6e3a92 | 984 | |
a7488c79 | 985 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 986 | /* Cancel current cmd */ |
600f5d90 | 987 | if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) { |
600f5d90 | 988 | adapter->curr_cmd->wait_q_enabled = false; |
600f5d90 | 989 | adapter->cmd_wait_q.status = -1; |
efaaa8b8 | 990 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
5e6e3a92 BZ |
991 | } |
992 | /* Cancel all pending command */ | |
993 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); | |
994 | list_for_each_entry_safe(cmd_node, tmp_node, | |
995 | &adapter->cmd_pending_q, list) { | |
996 | list_del(&cmd_node->list); | |
997 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
998 | ||
600f5d90 AK |
999 | if (cmd_node->wait_q_enabled) { |
1000 | adapter->cmd_wait_q.status = -1; | |
efaaa8b8 | 1001 | mwifiex_complete_cmd(adapter, cmd_node); |
600f5d90 | 1002 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 1003 | } |
9908b074 | 1004 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
5e6e3a92 BZ |
1005 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); |
1006 | } | |
1007 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); | |
a7488c79 | 1008 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 BZ |
1009 | |
1010 | /* Cancel all pending scan command */ | |
1011 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
1012 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1013 | &adapter->scan_pending_q, list) { | |
1014 | list_del(&cmd_node->list); | |
1015 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
1016 | ||
600f5d90 | 1017 | cmd_node->wait_q_enabled = false; |
5e6e3a92 BZ |
1018 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); |
1019 | spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); | |
1020 | } | |
1021 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); | |
1022 | ||
4af2bd49 AK |
1023 | if (adapter->scan_processing) { |
1024 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1025 | adapter->scan_processing = false; | |
1026 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
1027 | for (i = 0; i < adapter->priv_num; i++) { | |
1028 | priv = adapter->priv[i]; | |
1029 | if (!priv) | |
1030 | continue; | |
1031 | if (priv->scan_request) { | |
1032 | dev_dbg(adapter->dev, "info: aborting scan\n"); | |
1033 | cfg80211_scan_done(priv->scan_request, 1); | |
1034 | priv->scan_request = NULL; | |
1035 | } | |
1036 | } | |
1037 | } | |
5e6e3a92 BZ |
1038 | } |
1039 | ||
1040 | /* | |
1041 | * This function cancels all pending commands that matches with | |
1042 | * the given IOCTL request. | |
1043 | * | |
1044 | * Both the current command buffer and the pending command queue are | |
1045 | * searched for matching IOCTL request. The completion callback of | |
1046 | * the matched command is called with failure status to ensure cleanup. | |
1047 | * In case of scan commands, all pending commands in scan pending queue | |
1048 | * are cancelled. | |
1049 | */ | |
1050 | void | |
600f5d90 | 1051 | mwifiex_cancel_pending_ioctl(struct mwifiex_adapter *adapter) |
5e6e3a92 BZ |
1052 | { |
1053 | struct cmd_ctrl_node *cmd_node = NULL, *tmp_node = NULL; | |
1054 | unsigned long cmd_flags; | |
5e6e3a92 | 1055 | unsigned long scan_pending_q_flags; |
4af2bd49 AK |
1056 | struct mwifiex_private *priv; |
1057 | int i; | |
5e6e3a92 BZ |
1058 | |
1059 | if ((adapter->curr_cmd) && | |
aea0701e | 1060 | (adapter->curr_cmd->wait_q_enabled)) { |
5e6e3a92 BZ |
1061 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
1062 | cmd_node = adapter->curr_cmd; | |
600f5d90 | 1063 | cmd_node->wait_q_enabled = false; |
5e6e3a92 | 1064 | cmd_node->cmd_flag |= CMD_F_CANCELED; |
9908b074 | 1065 | mwifiex_recycle_cmd_node(adapter, cmd_node); |
51e708c1 YAP |
1066 | mwifiex_complete_cmd(adapter, adapter->curr_cmd); |
1067 | adapter->curr_cmd = NULL; | |
600f5d90 | 1068 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); |
5e6e3a92 | 1069 | } |
600f5d90 | 1070 | |
5e6e3a92 BZ |
1071 | /* Cancel all pending scan command */ |
1072 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1073 | scan_pending_q_flags); | |
1074 | list_for_each_entry_safe(cmd_node, tmp_node, | |
1075 | &adapter->scan_pending_q, list) { | |
600f5d90 AK |
1076 | list_del(&cmd_node->list); |
1077 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1078 | scan_pending_q_flags); | |
1079 | cmd_node->wait_q_enabled = false; | |
1080 | mwifiex_insert_cmd_to_free_q(adapter, cmd_node); | |
1081 | spin_lock_irqsave(&adapter->scan_pending_q_lock, | |
1082 | scan_pending_q_flags); | |
5e6e3a92 BZ |
1083 | } |
1084 | spin_unlock_irqrestore(&adapter->scan_pending_q_lock, | |
1085 | scan_pending_q_flags); | |
1086 | ||
4af2bd49 | 1087 | if (adapter->scan_processing) { |
5e6e3a92 BZ |
1088 | spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags); |
1089 | adapter->scan_processing = false; | |
1090 | spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, cmd_flags); | |
4af2bd49 AK |
1091 | for (i = 0; i < adapter->priv_num; i++) { |
1092 | priv = adapter->priv[i]; | |
1093 | if (!priv) | |
1094 | continue; | |
1095 | if (priv->scan_request) { | |
1096 | dev_dbg(adapter->dev, "info: aborting scan\n"); | |
1097 | cfg80211_scan_done(priv->scan_request, 1); | |
1098 | priv->scan_request = NULL; | |
1099 | } | |
1100 | } | |
5e6e3a92 | 1101 | } |
600f5d90 | 1102 | adapter->cmd_wait_q.status = -1; |
5e6e3a92 BZ |
1103 | } |
1104 | ||
1105 | /* | |
1106 | * This function sends the sleep confirm command to firmware, if | |
1107 | * possible. | |
1108 | * | |
1109 | * The sleep confirm command cannot be issued if command response, | |
1110 | * data response or event response is awaiting handling, or if we | |
1111 | * are in the middle of sending a command, or expecting a command | |
1112 | * response. | |
1113 | */ | |
1114 | void | |
1115 | mwifiex_check_ps_cond(struct mwifiex_adapter *adapter) | |
1116 | { | |
1117 | if (!adapter->cmd_sent && | |
1118 | !adapter->curr_cmd && !IS_CARD_RX_RCVD(adapter)) | |
1119 | mwifiex_dnld_sleep_confirm_cmd(adapter); | |
1120 | else | |
1121 | dev_dbg(adapter->dev, | |
1122 | "cmd: Delay Sleep Confirm (%s%s%s)\n", | |
aea0701e YAP |
1123 | (adapter->cmd_sent) ? "D" : "", |
1124 | (adapter->curr_cmd) ? "C" : "", | |
1125 | (IS_CARD_RX_RCVD(adapter)) ? "R" : ""); | |
5e6e3a92 BZ |
1126 | } |
1127 | ||
1128 | /* | |
1129 | * This function sends a Host Sleep activated event to applications. | |
1130 | * | |
1131 | * This event is generated by the driver, with a blank event body. | |
1132 | */ | |
1133 | void | |
1134 | mwifiex_hs_activated_event(struct mwifiex_private *priv, u8 activated) | |
1135 | { | |
1136 | if (activated) { | |
1137 | if (priv->adapter->is_hs_configured) { | |
1138 | priv->adapter->hs_activated = true; | |
2db96c3d AP |
1139 | mwifiex_update_rxreor_flags(priv->adapter, |
1140 | RXREOR_FORCE_NO_DROP); | |
5e6e3a92 BZ |
1141 | dev_dbg(priv->adapter->dev, "event: hs_activated\n"); |
1142 | priv->adapter->hs_activate_wait_q_woken = true; | |
1143 | wake_up_interruptible( | |
1144 | &priv->adapter->hs_activate_wait_q); | |
1145 | } else { | |
1146 | dev_dbg(priv->adapter->dev, "event: HS not configured\n"); | |
1147 | } | |
1148 | } else { | |
1149 | dev_dbg(priv->adapter->dev, "event: hs_deactivated\n"); | |
1150 | priv->adapter->hs_activated = false; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | /* | |
1155 | * This function handles the command response of a Host Sleep configuration | |
1156 | * command. | |
1157 | * | |
1158 | * Handling includes changing the header fields into CPU format | |
1159 | * and setting the current host sleep activation status in driver. | |
1160 | * | |
1161 | * In case host sleep status change, the function generates an event to | |
1162 | * notify the applications. | |
1163 | */ | |
1164 | int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, | |
1165 | struct host_cmd_ds_command *resp) | |
1166 | { | |
1167 | struct mwifiex_adapter *adapter = priv->adapter; | |
1168 | struct host_cmd_ds_802_11_hs_cfg_enh *phs_cfg = | |
1169 | &resp->params.opt_hs_cfg; | |
1170 | uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); | |
1171 | ||
a4186ea6 | 1172 | if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && |
b7be1522 | 1173 | adapter->iface_type != MWIFIEX_USB) { |
5e6e3a92 BZ |
1174 | mwifiex_hs_activated_event(priv, true); |
1175 | return 0; | |
1176 | } else { | |
1177 | dev_dbg(adapter->dev, "cmd: CMD_RESP: HS_CFG cmd reply" | |
1178 | " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n", | |
1179 | resp->result, conditions, | |
aea0701e YAP |
1180 | phs_cfg->params.hs_config.gpio, |
1181 | phs_cfg->params.hs_config.gap); | |
5e6e3a92 | 1182 | } |
cc0b5a64 | 1183 | if (conditions != HS_CFG_CANCEL) { |
5e6e3a92 | 1184 | adapter->is_hs_configured = true; |
b7be1522 | 1185 | if (adapter->iface_type == MWIFIEX_USB) |
a4186ea6 | 1186 | mwifiex_hs_activated_event(priv, true); |
5e6e3a92 BZ |
1187 | } else { |
1188 | adapter->is_hs_configured = false; | |
1189 | if (adapter->hs_activated) | |
1190 | mwifiex_hs_activated_event(priv, false); | |
1191 | } | |
1192 | ||
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | /* | |
1197 | * This function wakes up the adapter and generates a Host Sleep | |
1198 | * cancel event on receiving the power up interrupt. | |
1199 | */ | |
1200 | void | |
1201 | mwifiex_process_hs_config(struct mwifiex_adapter *adapter) | |
1202 | { | |
1203 | dev_dbg(adapter->dev, "info: %s: auto cancelling host sleep" | |
1204 | " since there is interrupt from the firmware\n", __func__); | |
1205 | ||
1206 | adapter->if_ops.wakeup(adapter); | |
1207 | adapter->hs_activated = false; | |
1208 | adapter->is_hs_configured = false; | |
48795424 | 1209 | adapter->is_suspended = false; |
5e6e3a92 | 1210 | mwifiex_hs_activated_event(mwifiex_get_priv(adapter, |
aea0701e YAP |
1211 | MWIFIEX_BSS_ROLE_ANY), |
1212 | false); | |
5e6e3a92 | 1213 | } |
4daffe35 | 1214 | EXPORT_SYMBOL_GPL(mwifiex_process_hs_config); |
5e6e3a92 BZ |
1215 | |
1216 | /* | |
1217 | * This function handles the command response of a sleep confirm command. | |
1218 | * | |
1219 | * The function sets the card state to SLEEP if the response indicates success. | |
1220 | */ | |
1221 | void | |
1222 | mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter *adapter, | |
1223 | u8 *pbuf, u32 upld_len) | |
1224 | { | |
1225 | struct host_cmd_ds_command *cmd = (struct host_cmd_ds_command *) pbuf; | |
1226 | struct mwifiex_private *priv = | |
1227 | mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1228 | uint16_t result = le16_to_cpu(cmd->result); | |
1229 | uint16_t command = le16_to_cpu(cmd->command); | |
1230 | uint16_t seq_num = le16_to_cpu(cmd->seq_num); | |
1231 | ||
1232 | if (!upld_len) { | |
1233 | dev_err(adapter->dev, "%s: cmd size is 0\n", __func__); | |
1234 | return; | |
1235 | } | |
1236 | ||
1237 | /* Get BSS number and corresponding priv */ | |
1238 | priv = mwifiex_get_priv_by_id(adapter, HostCmd_GET_BSS_NO(seq_num), | |
1239 | HostCmd_GET_BSS_TYPE(seq_num)); | |
1240 | if (!priv) | |
1241 | priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); | |
1242 | ||
1243 | /* Update sequence number */ | |
1244 | seq_num = HostCmd_GET_SEQ_NO(seq_num); | |
1245 | /* Clear RET_BIT from HostCmd */ | |
1246 | command &= HostCmd_CMD_ID_MASK; | |
1247 | ||
1248 | if (command != HostCmd_CMD_802_11_PS_MODE_ENH) { | |
aea0701e YAP |
1249 | dev_err(adapter->dev, |
1250 | "%s: rcvd unexpected resp for cmd %#x, result = %x\n", | |
1251 | __func__, command, result); | |
5e6e3a92 BZ |
1252 | return; |
1253 | } | |
1254 | ||
1255 | if (result) { | |
1256 | dev_err(adapter->dev, "%s: sleep confirm cmd failed\n", | |
aea0701e | 1257 | __func__); |
5e6e3a92 BZ |
1258 | adapter->pm_wakeup_card_req = false; |
1259 | adapter->ps_state = PS_STATE_AWAKE; | |
1260 | return; | |
1261 | } | |
1262 | adapter->pm_wakeup_card_req = true; | |
1263 | if (adapter->is_hs_configured) | |
aea0701e YAP |
1264 | mwifiex_hs_activated_event(mwifiex_get_priv |
1265 | (adapter, MWIFIEX_BSS_ROLE_ANY), | |
1266 | true); | |
5e6e3a92 BZ |
1267 | adapter->ps_state = PS_STATE_SLEEP; |
1268 | cmd->command = cpu_to_le16(command); | |
1269 | cmd->seq_num = cpu_to_le16(seq_num); | |
1270 | } | |
1271 | EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp); | |
1272 | ||
1273 | /* | |
1274 | * This function prepares an enhanced power mode command. | |
1275 | * | |
1276 | * This function can be used to disable power save or to configure | |
1277 | * power save with auto PS or STA PS or auto deep sleep. | |
1278 | * | |
1279 | * Preparation includes - | |
1280 | * - Setting command ID, action and proper size | |
1281 | * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV, | |
1282 | * auto deep sleep TLV (as required) | |
1283 | * - Ensuring correct endian-ness | |
1284 | */ | |
1285 | int mwifiex_cmd_enh_power_mode(struct mwifiex_private *priv, | |
1286 | struct host_cmd_ds_command *cmd, | |
1287 | u16 cmd_action, uint16_t ps_bitmap, | |
a5ffddb7 | 1288 | struct mwifiex_ds_auto_ds *auto_ds) |
5e6e3a92 BZ |
1289 | { |
1290 | struct host_cmd_ds_802_11_ps_mode_enh *psmode_enh = | |
1291 | &cmd->params.psmode_enh; | |
270e58e8 | 1292 | u8 *tlv; |
5e6e3a92 BZ |
1293 | u16 cmd_size = 0; |
1294 | ||
1295 | cmd->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH); | |
1296 | if (cmd_action == DIS_AUTO_PS) { | |
1297 | psmode_enh->action = cpu_to_le16(DIS_AUTO_PS); | |
1298 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1299 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1300 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1301 | } else if (cmd_action == GET_PS) { |
1302 | psmode_enh->action = cpu_to_le16(GET_PS); | |
1303 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); | |
2b06bdbe | 1304 | cmd->size = cpu_to_le16(S_DS_GEN + sizeof(psmode_enh->action) + |
aea0701e | 1305 | sizeof(psmode_enh->params.ps_bitmap)); |
5e6e3a92 BZ |
1306 | } else if (cmd_action == EN_AUTO_PS) { |
1307 | psmode_enh->action = cpu_to_le16(EN_AUTO_PS); | |
2b06bdbe MY |
1308 | psmode_enh->params.ps_bitmap = cpu_to_le16(ps_bitmap); |
1309 | cmd_size = S_DS_GEN + sizeof(psmode_enh->action) + | |
aea0701e | 1310 | sizeof(psmode_enh->params.ps_bitmap); |
5e6e3a92 BZ |
1311 | tlv = (u8 *) cmd + cmd_size; |
1312 | if (ps_bitmap & BITMAP_STA_PS) { | |
1313 | struct mwifiex_adapter *adapter = priv->adapter; | |
1314 | struct mwifiex_ie_types_ps_param *ps_tlv = | |
1315 | (struct mwifiex_ie_types_ps_param *) tlv; | |
1316 | struct mwifiex_ps_param *ps_mode = &ps_tlv->param; | |
1317 | ps_tlv->header.type = cpu_to_le16(TLV_TYPE_PS_PARAM); | |
1318 | ps_tlv->header.len = cpu_to_le16(sizeof(*ps_tlv) - | |
1319 | sizeof(struct mwifiex_ie_types_header)); | |
1320 | cmd_size += sizeof(*ps_tlv); | |
1321 | tlv += sizeof(*ps_tlv); | |
1322 | dev_dbg(adapter->dev, "cmd: PS Command: Enter PS\n"); | |
1323 | ps_mode->null_pkt_interval = | |
aea0701e | 1324 | cpu_to_le16(adapter->null_pkt_interval); |
5e6e3a92 | 1325 | ps_mode->multiple_dtims = |
aea0701e | 1326 | cpu_to_le16(adapter->multiple_dtim); |
5e6e3a92 | 1327 | ps_mode->bcn_miss_timeout = |
aea0701e | 1328 | cpu_to_le16(adapter->bcn_miss_time_out); |
5e6e3a92 BZ |
1329 | ps_mode->local_listen_interval = |
1330 | cpu_to_le16(adapter->local_listen_interval); | |
1331 | ps_mode->adhoc_wake_period = | |
1332 | cpu_to_le16(adapter->adhoc_awake_period); | |
1333 | ps_mode->delay_to_ps = | |
aea0701e YAP |
1334 | cpu_to_le16(adapter->delay_to_ps); |
1335 | ps_mode->mode = cpu_to_le16(adapter->enhanced_ps_mode); | |
5e6e3a92 BZ |
1336 | |
1337 | } | |
1338 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
2b06bdbe | 1339 | struct mwifiex_ie_types_auto_ds_param *auto_ds_tlv = |
5e6e3a92 | 1340 | (struct mwifiex_ie_types_auto_ds_param *) tlv; |
5e6e3a92 | 1341 | u16 idletime = 0; |
2b06bdbe MY |
1342 | |
1343 | auto_ds_tlv->header.type = | |
5e6e3a92 | 1344 | cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM); |
2b06bdbe MY |
1345 | auto_ds_tlv->header.len = |
1346 | cpu_to_le16(sizeof(*auto_ds_tlv) - | |
5e6e3a92 | 1347 | sizeof(struct mwifiex_ie_types_header)); |
2b06bdbe MY |
1348 | cmd_size += sizeof(*auto_ds_tlv); |
1349 | tlv += sizeof(*auto_ds_tlv); | |
a5ffddb7 AK |
1350 | if (auto_ds) |
1351 | idletime = auto_ds->idle_time; | |
5e6e3a92 | 1352 | dev_dbg(priv->adapter->dev, |
aea0701e | 1353 | "cmd: PS Command: Enter Auto Deep Sleep\n"); |
2b06bdbe | 1354 | auto_ds_tlv->deep_sleep_timeout = cpu_to_le16(idletime); |
5e6e3a92 BZ |
1355 | } |
1356 | cmd->size = cpu_to_le16(cmd_size); | |
1357 | } | |
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | /* | |
1362 | * This function handles the command response of an enhanced power mode | |
1363 | * command. | |
1364 | * | |
1365 | * Handling includes changing the header fields into CPU format | |
1366 | * and setting the current enhanced power mode in driver. | |
1367 | */ | |
1368 | int mwifiex_ret_enh_power_mode(struct mwifiex_private *priv, | |
1369 | struct host_cmd_ds_command *resp, | |
a5ffddb7 | 1370 | struct mwifiex_ds_pm_cfg *pm_cfg) |
5e6e3a92 BZ |
1371 | { |
1372 | struct mwifiex_adapter *adapter = priv->adapter; | |
1373 | struct host_cmd_ds_802_11_ps_mode_enh *ps_mode = | |
1374 | &resp->params.psmode_enh; | |
1375 | uint16_t action = le16_to_cpu(ps_mode->action); | |
1376 | uint16_t ps_bitmap = le16_to_cpu(ps_mode->params.ps_bitmap); | |
1377 | uint16_t auto_ps_bitmap = | |
2b06bdbe | 1378 | le16_to_cpu(ps_mode->params.ps_bitmap); |
5e6e3a92 | 1379 | |
aea0701e YAP |
1380 | dev_dbg(adapter->dev, |
1381 | "info: %s: PS_MODE cmd reply result=%#x action=%#X\n", | |
1382 | __func__, resp->result, action); | |
5e6e3a92 BZ |
1383 | if (action == EN_AUTO_PS) { |
1384 | if (auto_ps_bitmap & BITMAP_AUTO_DS) { | |
1385 | dev_dbg(adapter->dev, "cmd: Enabled auto deep sleep\n"); | |
1386 | priv->adapter->is_deep_sleep = true; | |
1387 | } | |
1388 | if (auto_ps_bitmap & BITMAP_STA_PS) { | |
1389 | dev_dbg(adapter->dev, "cmd: Enabled STA power save\n"); | |
1390 | if (adapter->sleep_period.period) | |
aea0701e YAP |
1391 | dev_dbg(adapter->dev, |
1392 | "cmd: set to uapsd/pps mode\n"); | |
5e6e3a92 BZ |
1393 | } |
1394 | } else if (action == DIS_AUTO_PS) { | |
1395 | if (ps_bitmap & BITMAP_AUTO_DS) { | |
1396 | priv->adapter->is_deep_sleep = false; | |
1397 | dev_dbg(adapter->dev, "cmd: Disabled auto deep sleep\n"); | |
1398 | } | |
1399 | if (ps_bitmap & BITMAP_STA_PS) { | |
1400 | dev_dbg(adapter->dev, "cmd: Disabled STA power save\n"); | |
1401 | if (adapter->sleep_period.period) { | |
1402 | adapter->delay_null_pkt = false; | |
1403 | adapter->tx_lock_flag = false; | |
1404 | adapter->pps_uapsd_mode = false; | |
1405 | } | |
1406 | } | |
1407 | } else if (action == GET_PS) { | |
2b06bdbe | 1408 | if (ps_bitmap & BITMAP_STA_PS) |
5e6e3a92 BZ |
1409 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
1410 | else | |
1411 | adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; | |
1412 | ||
1413 | dev_dbg(adapter->dev, "cmd: ps_bitmap=%#x\n", ps_bitmap); | |
1414 | ||
a5ffddb7 | 1415 | if (pm_cfg) { |
5e6e3a92 | 1416 | /* This section is for get power save mode */ |
5e6e3a92 BZ |
1417 | if (ps_bitmap & BITMAP_STA_PS) |
1418 | pm_cfg->param.ps_mode = 1; | |
1419 | else | |
1420 | pm_cfg->param.ps_mode = 0; | |
1421 | } | |
1422 | } | |
1423 | return 0; | |
1424 | } | |
1425 | ||
1426 | /* | |
1427 | * This function prepares command to get hardware specifications. | |
1428 | * | |
1429 | * Preparation includes - | |
1430 | * - Setting command ID, action and proper size | |
1431 | * - Setting permanent address parameter | |
1432 | * - Ensuring correct endian-ness | |
1433 | */ | |
1434 | int mwifiex_cmd_get_hw_spec(struct mwifiex_private *priv, | |
1435 | struct host_cmd_ds_command *cmd) | |
1436 | { | |
1437 | struct host_cmd_ds_get_hw_spec *hw_spec = &cmd->params.hw_spec; | |
1438 | ||
1439 | cmd->command = cpu_to_le16(HostCmd_CMD_GET_HW_SPEC); | |
1440 | cmd->size = | |
1441 | cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec) + S_DS_GEN); | |
1442 | memcpy(hw_spec->permanent_addr, priv->curr_addr, ETH_ALEN); | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | /* | |
1448 | * This function handles the command response of get hardware | |
1449 | * specifications. | |
1450 | * | |
1451 | * Handling includes changing the header fields into CPU format | |
1452 | * and saving/updating the following parameters in driver - | |
1453 | * - Firmware capability information | |
1454 | * - Firmware band settings | |
1455 | * - Ad-hoc start band and channel | |
1456 | * - Ad-hoc 11n activation status | |
1457 | * - Firmware release number | |
1458 | * - Number of antennas | |
1459 | * - Hardware address | |
1460 | * - Hardware interface version | |
1461 | * - Firmware version | |
1462 | * - Region code | |
1463 | * - 11n capabilities | |
1464 | * - MCS support fields | |
1465 | * - MP end port | |
1466 | */ | |
1467 | int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, | |
1468 | struct host_cmd_ds_command *resp) | |
1469 | { | |
1470 | struct host_cmd_ds_get_hw_spec *hw_spec = &resp->params.hw_spec; | |
1471 | struct mwifiex_adapter *adapter = priv->adapter; | |
7f445d04 AP |
1472 | struct mwifiex_ie_types_header *tlv; |
1473 | struct hw_spec_fw_api_rev *api_rev; | |
1474 | u16 resp_size, api_id; | |
1475 | int i, left_len, parsed_len = 0; | |
5e6e3a92 BZ |
1476 | |
1477 | adapter->fw_cap_info = le32_to_cpu(hw_spec->fw_cap_info); | |
1478 | ||
1479 | if (IS_SUPPORT_MULTI_BANDS(adapter)) | |
1480 | adapter->fw_bands = (u8) GET_FW_DEFAULT_BANDS(adapter); | |
1481 | else | |
1482 | adapter->fw_bands = BAND_B; | |
1483 | ||
1484 | adapter->config_bands = adapter->fw_bands; | |
1485 | ||
1486 | if (adapter->fw_bands & BAND_A) { | |
1487 | if (adapter->fw_bands & BAND_GN) { | |
1488 | adapter->config_bands |= BAND_AN; | |
1489 | adapter->fw_bands |= BAND_AN; | |
1490 | } | |
1491 | if (adapter->fw_bands & BAND_AN) { | |
1492 | adapter->adhoc_start_band = BAND_A | BAND_AN; | |
1493 | adapter->adhoc_11n_enabled = true; | |
1494 | } else { | |
1495 | adapter->adhoc_start_band = BAND_A; | |
1496 | } | |
1497 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL_A; | |
1498 | } else if (adapter->fw_bands & BAND_GN) { | |
1499 | adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; | |
1500 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1501 | adapter->adhoc_11n_enabled = true; | |
1502 | } else if (adapter->fw_bands & BAND_G) { | |
1503 | adapter->adhoc_start_band = BAND_G | BAND_B; | |
1504 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1505 | } else if (adapter->fw_bands & BAND_B) { | |
1506 | adapter->adhoc_start_band = BAND_B; | |
1507 | priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL; | |
1508 | } | |
1509 | ||
1510 | adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number); | |
8e17ea25 | 1511 | adapter->fw_api_ver = (adapter->fw_release_number >> 16) & 0xff; |
5e6e3a92 BZ |
1512 | adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna); |
1513 | ||
a5f39056 YAP |
1514 | if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) { |
1515 | adapter->is_hw_11ac_capable = true; | |
1516 | ||
1517 | /* Copy 11AC cap */ | |
1518 | adapter->hw_dot_11ac_dev_cap = | |
1519 | le32_to_cpu(hw_spec->dot_11ac_dev_cap); | |
79d9a54c AK |
1520 | adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap |
1521 | & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; | |
1522 | adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap | |
1523 | & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK; | |
a5f39056 YAP |
1524 | |
1525 | /* Copy 11AC mcs */ | |
1526 | adapter->hw_dot_11ac_mcs_support = | |
1527 | le32_to_cpu(hw_spec->dot_11ac_mcs_support); | |
1528 | adapter->usr_dot_11ac_mcs_support = | |
1529 | adapter->hw_dot_11ac_mcs_support; | |
1530 | } else { | |
1531 | adapter->is_hw_11ac_capable = false; | |
1532 | } | |
1533 | ||
7f445d04 AP |
1534 | resp_size = le16_to_cpu(resp->size) - S_DS_GEN; |
1535 | if (resp_size > sizeof(struct host_cmd_ds_get_hw_spec)) { | |
1536 | /* we have variable HW SPEC information */ | |
1537 | left_len = resp_size - sizeof(struct host_cmd_ds_get_hw_spec); | |
1538 | while (left_len > sizeof(struct mwifiex_ie_types_header)) { | |
1539 | tlv = (void *)&hw_spec->tlvs + parsed_len; | |
1540 | switch (le16_to_cpu(tlv->type)) { | |
1541 | case TLV_TYPE_FW_API_REV: | |
1542 | api_rev = (struct hw_spec_fw_api_rev *)tlv; | |
1543 | api_id = le16_to_cpu(api_rev->api_id); | |
1544 | switch (api_id) { | |
1545 | case KEY_API_VER_ID: | |
1546 | adapter->fw_key_api_major_ver = | |
1547 | api_rev->major_ver; | |
1548 | adapter->fw_key_api_minor_ver = | |
1549 | api_rev->minor_ver; | |
1550 | dev_dbg(adapter->dev, | |
1551 | "fw_key_api v%d.%d\n", | |
1552 | adapter->fw_key_api_major_ver, | |
1553 | adapter->fw_key_api_minor_ver); | |
1554 | break; | |
1555 | default: | |
1556 | dev_warn(adapter->dev, | |
1557 | "Unknown FW api_id: %d\n", | |
1558 | api_id); | |
1559 | break; | |
1560 | } | |
1561 | break; | |
1562 | default: | |
1563 | dev_warn(adapter->dev, | |
1564 | "Unknown GET_HW_SPEC TLV type: %#x\n", | |
1565 | le16_to_cpu(tlv->type)); | |
1566 | break; | |
1567 | } | |
1568 | parsed_len += le16_to_cpu(tlv->len) + | |
1569 | sizeof(struct mwifiex_ie_types_header); | |
1570 | left_len -= parsed_len; | |
1571 | } | |
1572 | } | |
1573 | ||
5e6e3a92 | 1574 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n", |
aea0701e | 1575 | adapter->fw_release_number); |
5e6e3a92 | 1576 | dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n", |
aea0701e YAP |
1577 | hw_spec->permanent_addr); |
1578 | dev_dbg(adapter->dev, | |
1579 | "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n", | |
5e6e3a92 | 1580 | le16_to_cpu(hw_spec->hw_if_version), |
aea0701e | 1581 | le16_to_cpu(hw_spec->version)); |
5e6e3a92 BZ |
1582 | |
1583 | if (priv->curr_addr[0] == 0xff) | |
1584 | memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); | |
1585 | ||
1586 | adapter->region_code = le16_to_cpu(hw_spec->region_code); | |
1587 | ||
1588 | for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) | |
1589 | /* Use the region code to search for the index */ | |
1590 | if (adapter->region_code == region_code_index[i]) | |
1591 | break; | |
1592 | ||
1593 | /* If it's unidentified region code, use the default (USA) */ | |
1594 | if (i >= MWIFIEX_MAX_REGION_CODE) { | |
1595 | adapter->region_code = 0x10; | |
aea0701e YAP |
1596 | dev_dbg(adapter->dev, |
1597 | "cmd: unknown region code, use default (USA)\n"); | |
5e6e3a92 BZ |
1598 | } |
1599 | ||
1600 | adapter->hw_dot_11n_dev_cap = le32_to_cpu(hw_spec->dot_11n_dev_cap); | |
5e6e3a92 | 1601 | adapter->hw_dev_mcs_support = hw_spec->dev_mcs_support; |
a5333914 | 1602 | adapter->user_dev_mcs_support = adapter->hw_dev_mcs_support; |
5e6e3a92 BZ |
1603 | |
1604 | if (adapter->if_ops.update_mp_end_port) | |
1605 | adapter->if_ops.update_mp_end_port(adapter, | |
1606 | le16_to_cpu(hw_spec->mp_end_port)); | |
1607 | ||
1608 | return 0; | |
1609 | } |