2 * Marvell Wireless LAN device driver: commands and events
4 * Copyright (C) 2011, Marvell International Ltd.
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.
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.
29 * This function initializes a command node.
31 * The actual allocation of the node is not done by this function. It only
32 * initiates a node by filling it with default parameters. Similarly,
33 * allocation of the different buffers used (IOCTL buffer, data buffer) are
34 * not done by this function either.
37 mwifiex_init_cmd_node(struct mwifiex_private
*priv
,
38 struct cmd_ctrl_node
*cmd_node
,
39 u32 cmd_oid
, void *data_buf
)
41 cmd_node
->priv
= priv
;
42 cmd_node
->cmd_oid
= cmd_oid
;
43 if (priv
->adapter
->cmd_wait_q_required
) {
44 cmd_node
->wait_q_enabled
= priv
->adapter
->cmd_wait_q_required
;
45 priv
->adapter
->cmd_wait_q_required
= false;
46 cmd_node
->cmd_wait_q_woken
= false;
47 cmd_node
->condition
= &cmd_node
->cmd_wait_q_woken
;
49 cmd_node
->data_buf
= data_buf
;
50 cmd_node
->cmd_skb
= cmd_node
->skb
;
54 * This function returns a command node from the free queue depending upon
57 static struct cmd_ctrl_node
*
58 mwifiex_get_cmd_node(struct mwifiex_adapter
*adapter
)
60 struct cmd_ctrl_node
*cmd_node
;
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
);
69 cmd_node
= list_first_entry(&adapter
->cmd_free_q
,
70 struct cmd_ctrl_node
, list
);
71 list_del(&cmd_node
->list
);
72 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
78 * This function cleans up a command node.
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.
84 * This function will however call the receive completion callback
85 * in case a response buffer is still available before resetting
89 mwifiex_clean_cmd_node(struct mwifiex_adapter
*adapter
,
90 struct cmd_ctrl_node
*cmd_node
)
92 cmd_node
->cmd_oid
= 0;
93 cmd_node
->cmd_flag
= 0;
94 cmd_node
->data_buf
= NULL
;
95 cmd_node
->wait_q_enabled
= false;
97 if (cmd_node
->cmd_skb
)
98 skb_trim(cmd_node
->cmd_skb
, 0);
100 if (cmd_node
->resp_skb
) {
101 adapter
->if_ops
.cmdrsp_complete(adapter
, cmd_node
->resp_skb
);
102 cmd_node
->resp_skb
= NULL
;
107 * This function sends a host command to the firmware.
109 * The function copies the host command into the driver command
110 * buffer, which will be transferred to the firmware later by the
113 static int mwifiex_cmd_host_cmd(struct mwifiex_private
*priv
,
114 struct host_cmd_ds_command
*cmd
,
115 struct mwifiex_ds_misc_cmd
*pcmd_ptr
)
117 /* Copy the HOST command to command buffer */
118 memcpy(cmd
, pcmd_ptr
->cmd
, pcmd_ptr
->len
);
119 dev_dbg(priv
->adapter
->dev
, "cmd: host cmd size = %d\n", pcmd_ptr
->len
);
124 * This function downloads a command to the firmware.
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.
131 static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private
*priv
,
132 struct cmd_ctrl_node
*cmd_node
)
135 struct mwifiex_adapter
*adapter
= priv
->adapter
;
137 struct host_cmd_ds_command
*host_cmd
;
140 struct timeval tstamp
;
144 if (!adapter
|| !cmd_node
)
147 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
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");
153 if (cmd_node
->wait_q_enabled
)
154 adapter
->cmd_wait_q
.status
= -1;
155 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
159 /* Set command sequence number */
161 host_cmd
->seq_num
= cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO
163 cmd_node
->priv
->bss_num
,
164 cmd_node
->priv
->bss_type
));
166 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
167 adapter
->curr_cmd
= cmd_node
;
168 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
170 cmd_code
= le16_to_cpu(host_cmd
->command
);
171 cmd_size
= le16_to_cpu(host_cmd
->size
);
173 /* Adjust skb length */
174 if (cmd_node
->cmd_skb
->len
> cmd_size
)
176 * cmd_size is less than sizeof(struct host_cmd_ds_command).
177 * Trim off the unused portion.
179 skb_trim(cmd_node
->cmd_skb
, cmd_size
);
180 else if (cmd_node
->cmd_skb
->len
< cmd_size
)
182 * cmd_size is larger than sizeof(struct host_cmd_ds_command)
183 * because we have appended custom IE TLV. Increase skb length
186 skb_put(cmd_node
->cmd_skb
, cmd_size
- cmd_node
->cmd_skb
->len
);
188 do_gettimeofday(&tstamp
);
189 dev_dbg(adapter
->dev
, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"
191 tstamp
.tv_sec
, tstamp
.tv_usec
, cmd_code
,
192 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
)), cmd_size
,
193 le16_to_cpu(host_cmd
->seq_num
));
195 if (adapter
->iface_type
== MWIFIEX_USB
) {
196 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
197 skb_push(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
198 memcpy(cmd_node
->cmd_skb
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
199 adapter
->cmd_sent
= true;
200 ret
= adapter
->if_ops
.host_to_card(adapter
,
201 MWIFIEX_USB_EP_CMD_EVENT
,
202 cmd_node
->cmd_skb
, NULL
);
203 skb_pull(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
205 cmd_node
->cmd_skb
= NULL
;
207 skb_push(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
208 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
209 cmd_node
->cmd_skb
, NULL
);
210 skb_pull(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
214 dev_err(adapter
->dev
, "DNLD_CMD: host to card failed\n");
215 if (adapter
->iface_type
== MWIFIEX_USB
)
216 adapter
->cmd_sent
= false;
217 if (cmd_node
->wait_q_enabled
)
218 adapter
->cmd_wait_q
.status
= -1;
219 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
221 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
222 adapter
->curr_cmd
= NULL
;
223 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
225 adapter
->dbg
.num_cmd_host_to_card_failure
++;
229 /* Save the last command id and action to debug log */
230 adapter
->dbg
.last_cmd_index
=
231 (adapter
->dbg
.last_cmd_index
+ 1) % DBG_CMD_NUM
;
232 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
] = cmd_code
;
233 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
] =
234 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
));
236 /* Clear BSS_NO_BITS from HostCmd */
237 cmd_code
&= HostCmd_CMD_ID_MASK
;
239 /* Setup the timer after transmit command */
240 mod_timer(&adapter
->cmd_timer
,
241 jiffies
+ (MWIFIEX_TIMER_10S
* HZ
) / 1000);
247 * This function downloads a sleep confirm command to the firmware.
249 * The function performs sanity tests, sets the command sequence
250 * number and size, converts the header fields to CPU format before
253 * No responses are needed for sleep confirm command.
255 static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter
*adapter
)
258 struct mwifiex_private
*priv
;
259 struct mwifiex_opt_sleep_confirm
*sleep_cfm_buf
=
260 (struct mwifiex_opt_sleep_confirm
*)
261 adapter
->sleep_cfm
->data
;
262 struct sk_buff
*sleep_cfm_tmp
;
265 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
267 sleep_cfm_buf
->seq_num
=
268 cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO
269 (adapter
->seq_num
, priv
->bss_num
,
273 if (adapter
->iface_type
== MWIFIEX_USB
) {
275 dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm
)
277 skb_put(sleep_cfm_tmp
, sizeof(struct mwifiex_opt_sleep_confirm
)
279 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
280 memcpy(sleep_cfm_tmp
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
281 memcpy(sleep_cfm_tmp
->data
+ MWIFIEX_TYPE_LEN
,
282 adapter
->sleep_cfm
->data
,
283 sizeof(struct mwifiex_opt_sleep_confirm
));
284 ret
= adapter
->if_ops
.host_to_card(adapter
,
285 MWIFIEX_USB_EP_CMD_EVENT
,
286 sleep_cfm_tmp
, NULL
);
288 dev_kfree_skb_any(sleep_cfm_tmp
);
290 skb_push(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
291 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
292 adapter
->sleep_cfm
, NULL
);
293 skb_pull(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
297 dev_err(adapter
->dev
, "SLEEP_CFM: failed\n");
298 adapter
->dbg
.num_cmd_sleep_cfm_host_to_card_failure
++;
301 if (GET_BSS_ROLE(mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
))
302 == MWIFIEX_BSS_ROLE_STA
) {
303 if (!sleep_cfm_buf
->resp_ctrl
)
304 /* Response is not needed for sleep
306 adapter
->ps_state
= PS_STATE_SLEEP
;
308 adapter
->ps_state
= PS_STATE_SLEEP_CFM
;
310 if (!sleep_cfm_buf
->resp_ctrl
&&
311 (adapter
->is_hs_configured
&&
312 !adapter
->sleep_period
.period
)) {
313 adapter
->pm_wakeup_card_req
= true;
314 mwifiex_hs_activated_event(mwifiex_get_priv
315 (adapter
, MWIFIEX_BSS_ROLE_STA
), true);
323 * This function allocates the command buffers and links them to
324 * the command free queue.
326 * The driver uses a pre allocated number of command buffers, which
327 * are created at driver initializations and freed at driver cleanup.
328 * Every command needs to obtain a command buffer from this pool before
329 * it can be issued. The command free queue lists the command buffers
330 * currently free to use, while the command pending queue lists the
331 * command buffers already in use and awaiting handling. Command buffers
332 * are returned to the free queue after use.
334 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter
*adapter
)
336 struct cmd_ctrl_node
*cmd_array
;
340 /* Allocate and initialize struct cmd_ctrl_node */
341 buf_size
= sizeof(struct cmd_ctrl_node
) * MWIFIEX_NUM_OF_CMD_BUFFER
;
342 cmd_array
= kzalloc(buf_size
, GFP_KERNEL
);
344 dev_err(adapter
->dev
, "%s: failed to alloc cmd_array\n",
349 adapter
->cmd_pool
= cmd_array
;
350 memset(adapter
->cmd_pool
, 0, buf_size
);
352 /* Allocate and initialize command buffers */
353 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
354 cmd_array
[i
].skb
= dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER
);
355 if (!cmd_array
[i
].skb
) {
356 dev_err(adapter
->dev
, "ALLOC_CMD_BUF: out of memory\n");
361 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++)
362 mwifiex_insert_cmd_to_free_q(adapter
, &cmd_array
[i
]);
368 * This function frees the command buffers.
370 * The function calls the completion callback for all the command
371 * buffers that still have response buffers associated with them.
373 int mwifiex_free_cmd_buffer(struct mwifiex_adapter
*adapter
)
375 struct cmd_ctrl_node
*cmd_array
;
378 /* Need to check if cmd pool is allocated or not */
379 if (!adapter
->cmd_pool
) {
380 dev_dbg(adapter
->dev
, "info: FREE_CMD_BUF: cmd_pool is null\n");
384 cmd_array
= adapter
->cmd_pool
;
386 /* Release shared memory buffers */
387 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
388 if (cmd_array
[i
].skb
) {
389 dev_dbg(adapter
->dev
, "cmd: free cmd buffer %d\n", i
);
390 dev_kfree_skb_any(cmd_array
[i
].skb
);
392 if (!cmd_array
[i
].resp_skb
)
395 if (adapter
->iface_type
== MWIFIEX_USB
)
396 adapter
->if_ops
.cmdrsp_complete(adapter
,
397 cmd_array
[i
].resp_skb
);
399 dev_kfree_skb_any(cmd_array
[i
].resp_skb
);
401 /* Release struct cmd_ctrl_node */
402 if (adapter
->cmd_pool
) {
403 dev_dbg(adapter
->dev
, "cmd: free cmd pool\n");
404 kfree(adapter
->cmd_pool
);
405 adapter
->cmd_pool
= NULL
;
412 * This function handles events generated by firmware.
414 * Event body of events received from firmware are not used (though they are
415 * saved), only the event ID is used. Some events are re-invoked by
416 * the driver, with a new event body.
418 * After processing, the function calls the completion callback
421 int mwifiex_process_event(struct mwifiex_adapter
*adapter
)
424 struct mwifiex_private
*priv
=
425 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
426 struct sk_buff
*skb
= adapter
->event_skb
;
427 u32 eventcause
= adapter
->event_cause
;
428 struct timeval tstamp
;
429 struct mwifiex_rxinfo
*rx_info
;
431 /* Save the last event to debug log */
432 adapter
->dbg
.last_event_index
=
433 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
434 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
437 /* Get BSS number and corresponding priv */
438 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
439 EVENT_GET_BSS_TYPE(eventcause
));
441 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
442 /* Clear BSS_NO_BITS from event */
443 eventcause
&= EVENT_ID_MASK
;
444 adapter
->event_cause
= eventcause
;
447 rx_info
= MWIFIEX_SKB_RXCB(skb
);
448 rx_info
->bss_num
= priv
->bss_num
;
449 rx_info
->bss_type
= priv
->bss_type
;
452 if (eventcause
!= EVENT_PS_SLEEP
&& eventcause
!= EVENT_PS_AWAKE
) {
453 do_gettimeofday(&tstamp
);
454 dev_dbg(adapter
->dev
, "event: %lu.%lu: cause: %#x\n",
455 tstamp
.tv_sec
, tstamp
.tv_usec
, eventcause
);
457 /* Handle PS_SLEEP/AWAKE events on STA */
458 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_STA
);
460 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
463 ret
= mwifiex_process_sta_event(priv
);
465 adapter
->event_cause
= 0;
466 adapter
->event_skb
= NULL
;
467 adapter
->if_ops
.event_complete(adapter
, skb
);
473 * This function is used to send synchronous command to the firmware.
475 * it allocates a wait queue for the command and wait for the command
478 int mwifiex_send_cmd_sync(struct mwifiex_private
*priv
, uint16_t cmd_no
,
479 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
482 struct mwifiex_adapter
*adapter
= priv
->adapter
;
484 adapter
->cmd_wait_q_required
= true;
486 ret
= mwifiex_send_cmd_async(priv
, cmd_no
, cmd_action
, cmd_oid
,
489 ret
= mwifiex_wait_queue_complete(adapter
);
496 * This function prepares a command and asynchronously send it to the firmware.
498 * Preparation includes -
499 * - Sanity tests to make sure the card is still present or the FW
501 * - Getting a new command node from the command free queue
502 * - Initializing the command node for default parameters
503 * - Fill up the non-default parameters and buffer pointers
504 * - Add the command to pending queue
506 int mwifiex_send_cmd_async(struct mwifiex_private
*priv
, uint16_t cmd_no
,
507 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
510 struct mwifiex_adapter
*adapter
= priv
->adapter
;
511 struct cmd_ctrl_node
*cmd_node
;
512 struct host_cmd_ds_command
*cmd_ptr
;
515 pr_err("PREP_CMD: adapter is NULL\n");
519 if (adapter
->is_suspended
) {
520 dev_err(adapter
->dev
, "PREP_CMD: device in suspended state\n");
524 if (adapter
->surprise_removed
) {
525 dev_err(adapter
->dev
, "PREP_CMD: card is removed\n");
529 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
530 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
531 dev_err(adapter
->dev
, "PREP_CMD: FW in reset state\n");
536 /* Get a new command node */
537 cmd_node
= mwifiex_get_cmd_node(adapter
);
540 dev_err(adapter
->dev
, "PREP_CMD: no free cmd node\n");
544 /* Initialize the command node */
545 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, data_buf
);
547 if (!cmd_node
->cmd_skb
) {
548 dev_err(adapter
->dev
, "PREP_CMD: no free cmd buf\n");
552 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
553 0, sizeof(struct host_cmd_ds_command
));
555 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
556 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
559 /* Prepare command */
562 case HostCmd_CMD_UAP_SYS_CONFIG
:
563 case HostCmd_CMD_UAP_BSS_START
:
564 case HostCmd_CMD_UAP_BSS_STOP
:
565 ret
= mwifiex_uap_prepare_cmd(priv
, cmd_no
, cmd_action
,
570 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
576 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
577 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
580 /* Return error, since the command preparation failed */
582 dev_err(adapter
->dev
, "PREP_CMD: cmd %#x preparation failed\n",
584 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
589 if (cmd_no
== HostCmd_CMD_802_11_SCAN
) {
590 mwifiex_queue_scan_cmd(priv
, cmd_node
);
592 adapter
->cmd_queued
= cmd_node
;
593 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
594 queue_work(adapter
->workqueue
, &adapter
->main_work
);
601 * This function returns a command to the command free queue.
603 * The function also calls the completion callback if required, before
604 * cleaning the command node and re-inserting it into the free queue.
607 mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter
*adapter
,
608 struct cmd_ctrl_node
*cmd_node
)
615 if (cmd_node
->wait_q_enabled
)
616 mwifiex_complete_cmd(adapter
, cmd_node
);
618 mwifiex_clean_cmd_node(adapter
, cmd_node
);
620 /* Insert node into cmd_free_q */
621 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
622 list_add_tail(&cmd_node
->list
, &adapter
->cmd_free_q
);
623 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
627 * This function queues a command to the command pending queue.
629 * This in effect adds the command to the command list to be executed.
630 * Exit PS command is handled specially, by placing it always to the
631 * front of the command queue.
634 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
635 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
637 struct host_cmd_ds_command
*host_cmd
= NULL
;
641 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
643 dev_err(adapter
->dev
, "QUEUE_CMD: host_cmd is NULL\n");
647 command
= le16_to_cpu(host_cmd
->command
);
649 /* Exit_PS command needs to be queued in the header always. */
650 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
651 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
652 &host_cmd
->params
.psmode_enh
;
653 if ((le16_to_cpu(pm
->action
) == DIS_PS
) ||
654 (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
655 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
660 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
662 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
664 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
665 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
667 dev_dbg(adapter
->dev
, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command
);
671 * This function executes the next command in command pending queue.
673 * This function will fail if a command is already in processing stage,
674 * otherwise it will dequeue the first command from the command pending
675 * queue and send to the firmware.
677 * If the device is currently in host sleep mode, any commands, except the
678 * host sleep configuration command will de-activate the host sleep. For PS
679 * mode, the function will put the firmware back to sleep if applicable.
681 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
683 struct mwifiex_private
*priv
;
684 struct cmd_ctrl_node
*cmd_node
;
686 struct host_cmd_ds_command
*host_cmd
;
687 unsigned long cmd_flags
;
688 unsigned long cmd_pending_q_flags
;
690 /* Check if already in processing */
691 if (adapter
->curr_cmd
) {
692 dev_err(adapter
->dev
, "EXEC_NEXT_CMD: cmd in processing\n");
696 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
697 /* Check if any command is pending */
698 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
699 if (list_empty(&adapter
->cmd_pending_q
)) {
700 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
701 cmd_pending_q_flags
);
702 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
705 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
706 struct cmd_ctrl_node
, list
);
707 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
708 cmd_pending_q_flags
);
710 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
711 priv
= cmd_node
->priv
;
713 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
714 dev_err(adapter
->dev
, "%s: cannot send cmd in sleep state,"
715 " this should not happen\n", __func__
);
716 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
720 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
721 list_del(&cmd_node
->list
);
722 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
723 cmd_pending_q_flags
);
725 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
726 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
727 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
728 /* Any command sent to the firmware when host is in sleep
729 * mode should de-configure host sleep. We should skip the
730 * host sleep configuration command itself though
732 if (priv
&& (host_cmd
->command
!=
733 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
734 if (adapter
->hs_activated
) {
735 adapter
->is_hs_configured
= false;
736 mwifiex_hs_activated_event(priv
, false);
744 * This function handles the command response.
746 * After processing, the function cleans the command node and puts
747 * it back to the command free queue.
749 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
751 struct host_cmd_ds_command
*resp
;
752 struct mwifiex_private
*priv
=
753 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
755 uint16_t orig_cmdresp_no
;
757 uint16_t cmdresp_result
;
758 struct timeval tstamp
;
761 /* Now we got response from FW, cancel the command timer */
762 del_timer(&adapter
->cmd_timer
);
764 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
765 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
766 dev_err(adapter
->dev
, "CMD_RESP: NULL curr_cmd, %#x\n",
767 le16_to_cpu(resp
->command
));
771 adapter
->num_cmd_timeout
= 0;
773 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
774 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_CANCELED
) {
775 dev_err(adapter
->dev
, "CMD_RESP: %#x been canceled\n",
776 le16_to_cpu(resp
->command
));
777 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
778 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
779 adapter
->curr_cmd
= NULL
;
780 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
784 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
785 /* Copy original response back to response buffer */
786 struct mwifiex_ds_misc_cmd
*hostcmd
;
787 uint16_t size
= le16_to_cpu(resp
->size
);
788 dev_dbg(adapter
->dev
, "info: host cmd resp size = %d\n", size
);
789 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
790 if (adapter
->curr_cmd
->data_buf
) {
791 hostcmd
= adapter
->curr_cmd
->data_buf
;
793 memcpy(hostcmd
->cmd
, resp
, size
);
796 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
798 /* Get BSS number and corresponding priv */
799 priv
= mwifiex_get_priv_by_id(adapter
,
800 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
801 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
803 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
804 /* Clear RET_BIT from HostCmd */
805 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
807 cmdresp_no
= le16_to_cpu(resp
->command
);
808 cmdresp_result
= le16_to_cpu(resp
->result
);
810 /* Save the last command response to debug log */
811 adapter
->dbg
.last_cmd_resp_index
=
812 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
813 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
816 do_gettimeofday(&tstamp
);
817 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d,"
818 " len %d, seqno 0x%x\n",
819 tstamp
.tv_sec
, tstamp
.tv_usec
, orig_cmdresp_no
, cmdresp_result
,
820 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
822 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
823 dev_err(adapter
->dev
, "CMD_RESP: invalid cmd resp\n");
824 if (adapter
->curr_cmd
->wait_q_enabled
)
825 adapter
->cmd_wait_q
.status
= -1;
827 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
828 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
829 adapter
->curr_cmd
= NULL
;
830 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
834 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
835 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
836 if ((cmdresp_result
== HostCmd_RESULT_OK
) &&
837 (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
838 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
840 /* handle response */
841 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
);
844 /* Check init command response */
845 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
847 dev_err(adapter
->dev
, "%s: cmd %#x failed during "
848 "initialization\n", __func__
, cmdresp_no
);
849 mwifiex_init_fw_complete(adapter
);
851 } else if (adapter
->last_init_cmd
== cmdresp_no
)
852 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
855 if (adapter
->curr_cmd
) {
856 if (adapter
->curr_cmd
->wait_q_enabled
)
857 adapter
->cmd_wait_q
.status
= ret
;
859 /* Clean up and put current command back to cmd_free_q */
860 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
862 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
863 adapter
->curr_cmd
= NULL
;
864 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
871 * This function handles the timeout of command sending.
873 * It will re-send the same command again.
876 mwifiex_cmd_timeout_func(unsigned long function_context
)
878 struct mwifiex_adapter
*adapter
=
879 (struct mwifiex_adapter
*) function_context
;
880 struct cmd_ctrl_node
*cmd_node
;
881 struct timeval tstamp
;
883 adapter
->num_cmd_timeout
++;
884 adapter
->dbg
.num_cmd_timeout
++;
885 if (!adapter
->curr_cmd
) {
886 dev_dbg(adapter
->dev
, "cmd: empty curr_cmd\n");
889 cmd_node
= adapter
->curr_cmd
;
890 if (cmd_node
->wait_q_enabled
)
891 adapter
->cmd_wait_q
.status
= -ETIMEDOUT
;
894 adapter
->dbg
.timeout_cmd_id
=
895 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
896 adapter
->dbg
.timeout_cmd_act
=
897 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
898 do_gettimeofday(&tstamp
);
899 dev_err(adapter
->dev
,
900 "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n",
901 __func__
, tstamp
.tv_sec
, tstamp
.tv_usec
,
902 adapter
->dbg
.timeout_cmd_id
,
903 adapter
->dbg
.timeout_cmd_act
);
905 dev_err(adapter
->dev
, "num_data_h2c_failure = %d\n",
906 adapter
->dbg
.num_tx_host_to_card_failure
);
907 dev_err(adapter
->dev
, "num_cmd_h2c_failure = %d\n",
908 adapter
->dbg
.num_cmd_host_to_card_failure
);
910 dev_err(adapter
->dev
, "num_cmd_timeout = %d\n",
911 adapter
->dbg
.num_cmd_timeout
);
912 dev_err(adapter
->dev
, "num_tx_timeout = %d\n",
913 adapter
->dbg
.num_tx_timeout
);
915 dev_err(adapter
->dev
, "last_cmd_index = %d\n",
916 adapter
->dbg
.last_cmd_index
);
917 print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET
,
918 adapter
->dbg
.last_cmd_id
, DBG_CMD_NUM
);
919 print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET
,
920 adapter
->dbg
.last_cmd_act
, DBG_CMD_NUM
);
922 dev_err(adapter
->dev
, "last_cmd_resp_index = %d\n",
923 adapter
->dbg
.last_cmd_resp_index
);
924 print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET
,
925 adapter
->dbg
.last_cmd_resp_id
,
928 dev_err(adapter
->dev
, "last_event_index = %d\n",
929 adapter
->dbg
.last_event_index
);
930 print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET
,
931 adapter
->dbg
.last_event
, DBG_CMD_NUM
);
933 dev_err(adapter
->dev
, "data_sent=%d cmd_sent=%d\n",
934 adapter
->data_sent
, adapter
->cmd_sent
);
936 dev_err(adapter
->dev
, "ps_mode=%d ps_state=%d\n",
937 adapter
->ps_mode
, adapter
->ps_state
);
939 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
)
940 mwifiex_init_fw_complete(adapter
);
944 * This function cancels all the pending commands.
946 * The current command, all commands in command pending queue and all scan
947 * commands in scan pending queue are cancelled. All the completion callbacks
948 * are called with failure status to ensure cleanup.
951 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
953 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
956 /* Cancel current cmd */
957 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wait_q_enabled
)) {
958 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
959 adapter
->curr_cmd
->wait_q_enabled
= false;
960 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
961 adapter
->cmd_wait_q
.status
= -1;
962 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
964 /* Cancel all pending command */
965 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
966 list_for_each_entry_safe(cmd_node
, tmp_node
,
967 &adapter
->cmd_pending_q
, list
) {
968 list_del(&cmd_node
->list
);
969 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
971 if (cmd_node
->wait_q_enabled
) {
972 adapter
->cmd_wait_q
.status
= -1;
973 mwifiex_complete_cmd(adapter
, cmd_node
);
974 cmd_node
->wait_q_enabled
= false;
976 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
977 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
979 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
981 /* Cancel all pending scan command */
982 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
983 list_for_each_entry_safe(cmd_node
, tmp_node
,
984 &adapter
->scan_pending_q
, list
) {
985 list_del(&cmd_node
->list
);
986 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
988 cmd_node
->wait_q_enabled
= false;
989 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
990 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
992 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
994 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
995 adapter
->scan_processing
= false;
996 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
1000 * This function cancels all pending commands that matches with
1001 * the given IOCTL request.
1003 * Both the current command buffer and the pending command queue are
1004 * searched for matching IOCTL request. The completion callback of
1005 * the matched command is called with failure status to ensure cleanup.
1006 * In case of scan commands, all pending commands in scan pending queue
1010 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
)
1012 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
= NULL
;
1013 unsigned long cmd_flags
;
1014 unsigned long scan_pending_q_flags
;
1015 uint16_t cancel_scan_cmd
= false;
1017 if ((adapter
->curr_cmd
) &&
1018 (adapter
->curr_cmd
->wait_q_enabled
)) {
1019 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1020 cmd_node
= adapter
->curr_cmd
;
1021 cmd_node
->wait_q_enabled
= false;
1022 cmd_node
->cmd_flag
|= CMD_F_CANCELED
;
1023 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1024 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
1025 adapter
->curr_cmd
= NULL
;
1026 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1029 /* Cancel all pending scan command */
1030 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1031 scan_pending_q_flags
);
1032 list_for_each_entry_safe(cmd_node
, tmp_node
,
1033 &adapter
->scan_pending_q
, list
) {
1034 list_del(&cmd_node
->list
);
1035 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1036 scan_pending_q_flags
);
1037 cmd_node
->wait_q_enabled
= false;
1038 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1039 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1040 scan_pending_q_flags
);
1041 cancel_scan_cmd
= true;
1043 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1044 scan_pending_q_flags
);
1046 if (cancel_scan_cmd
) {
1047 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1048 adapter
->scan_processing
= false;
1049 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1051 adapter
->cmd_wait_q
.status
= -1;
1055 * This function sends the sleep confirm command to firmware, if
1058 * The sleep confirm command cannot be issued if command response,
1059 * data response or event response is awaiting handling, or if we
1060 * are in the middle of sending a command, or expecting a command
1064 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
1066 if (!adapter
->cmd_sent
&&
1067 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
1068 mwifiex_dnld_sleep_confirm_cmd(adapter
);
1070 dev_dbg(adapter
->dev
,
1071 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1072 (adapter
->cmd_sent
) ? "D" : "",
1073 (adapter
->curr_cmd
) ? "C" : "",
1074 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1078 * This function sends a Host Sleep activated event to applications.
1080 * This event is generated by the driver, with a blank event body.
1083 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1086 if (priv
->adapter
->is_hs_configured
) {
1087 priv
->adapter
->hs_activated
= true;
1088 dev_dbg(priv
->adapter
->dev
, "event: hs_activated\n");
1089 priv
->adapter
->hs_activate_wait_q_woken
= true;
1090 wake_up_interruptible(
1091 &priv
->adapter
->hs_activate_wait_q
);
1093 dev_dbg(priv
->adapter
->dev
, "event: HS not configured\n");
1096 dev_dbg(priv
->adapter
->dev
, "event: hs_deactivated\n");
1097 priv
->adapter
->hs_activated
= false;
1102 * This function handles the command response of a Host Sleep configuration
1105 * Handling includes changing the header fields into CPU format
1106 * and setting the current host sleep activation status in driver.
1108 * In case host sleep status change, the function generates an event to
1109 * notify the applications.
1111 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1112 struct host_cmd_ds_command
*resp
)
1114 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1115 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1116 &resp
->params
.opt_hs_cfg
;
1117 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1119 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
) &&
1120 adapter
->iface_type
== MWIFIEX_SDIO
) {
1121 mwifiex_hs_activated_event(priv
, true);
1124 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: HS_CFG cmd reply"
1125 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1126 resp
->result
, conditions
,
1127 phs_cfg
->params
.hs_config
.gpio
,
1128 phs_cfg
->params
.hs_config
.gap
);
1130 if (conditions
!= HOST_SLEEP_CFG_CANCEL
) {
1131 adapter
->is_hs_configured
= true;
1132 if (adapter
->iface_type
== MWIFIEX_USB
||
1133 adapter
->iface_type
== MWIFIEX_PCIE
)
1134 mwifiex_hs_activated_event(priv
, true);
1136 adapter
->is_hs_configured
= false;
1137 if (adapter
->hs_activated
)
1138 mwifiex_hs_activated_event(priv
, false);
1145 * This function wakes up the adapter and generates a Host Sleep
1146 * cancel event on receiving the power up interrupt.
1149 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1151 dev_dbg(adapter
->dev
, "info: %s: auto cancelling host sleep"
1152 " since there is interrupt from the firmware\n", __func__
);
1154 adapter
->if_ops
.wakeup(adapter
);
1155 adapter
->hs_activated
= false;
1156 adapter
->is_hs_configured
= false;
1157 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1158 MWIFIEX_BSS_ROLE_ANY
),
1161 EXPORT_SYMBOL_GPL(mwifiex_process_hs_config
);
1164 * This function handles the command response of a sleep confirm command.
1166 * The function sets the card state to SLEEP if the response indicates success.
1169 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1170 u8
*pbuf
, u32 upld_len
)
1172 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1173 struct mwifiex_private
*priv
=
1174 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1175 uint16_t result
= le16_to_cpu(cmd
->result
);
1176 uint16_t command
= le16_to_cpu(cmd
->command
);
1177 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1180 dev_err(adapter
->dev
, "%s: cmd size is 0\n", __func__
);
1184 /* Get BSS number and corresponding priv */
1185 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1186 HostCmd_GET_BSS_TYPE(seq_num
));
1188 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1190 /* Update sequence number */
1191 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1192 /* Clear RET_BIT from HostCmd */
1193 command
&= HostCmd_CMD_ID_MASK
;
1195 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1196 dev_err(adapter
->dev
,
1197 "%s: rcvd unexpected resp for cmd %#x, result = %x\n",
1198 __func__
, command
, result
);
1203 dev_err(adapter
->dev
, "%s: sleep confirm cmd failed\n",
1205 adapter
->pm_wakeup_card_req
= false;
1206 adapter
->ps_state
= PS_STATE_AWAKE
;
1209 adapter
->pm_wakeup_card_req
= true;
1210 if (adapter
->is_hs_configured
)
1211 mwifiex_hs_activated_event(mwifiex_get_priv
1212 (adapter
, MWIFIEX_BSS_ROLE_ANY
),
1214 adapter
->ps_state
= PS_STATE_SLEEP
;
1215 cmd
->command
= cpu_to_le16(command
);
1216 cmd
->seq_num
= cpu_to_le16(seq_num
);
1218 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1221 * This function prepares an enhanced power mode command.
1223 * This function can be used to disable power save or to configure
1224 * power save with auto PS or STA PS or auto deep sleep.
1226 * Preparation includes -
1227 * - Setting command ID, action and proper size
1228 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1229 * auto deep sleep TLV (as required)
1230 * - Ensuring correct endian-ness
1232 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1233 struct host_cmd_ds_command
*cmd
,
1234 u16 cmd_action
, uint16_t ps_bitmap
,
1235 struct mwifiex_ds_auto_ds
*auto_ds
)
1237 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1238 &cmd
->params
.psmode_enh
;
1242 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1243 if (cmd_action
== DIS_AUTO_PS
) {
1244 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1245 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1246 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1247 sizeof(psmode_enh
->params
.ps_bitmap
));
1248 } else if (cmd_action
== GET_PS
) {
1249 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1250 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1251 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1252 sizeof(psmode_enh
->params
.ps_bitmap
));
1253 } else if (cmd_action
== EN_AUTO_PS
) {
1254 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1255 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1256 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1257 sizeof(psmode_enh
->params
.ps_bitmap
);
1258 tlv
= (u8
*) cmd
+ cmd_size
;
1259 if (ps_bitmap
& BITMAP_STA_PS
) {
1260 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1261 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1262 (struct mwifiex_ie_types_ps_param
*) tlv
;
1263 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1264 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1265 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1266 sizeof(struct mwifiex_ie_types_header
));
1267 cmd_size
+= sizeof(*ps_tlv
);
1268 tlv
+= sizeof(*ps_tlv
);
1269 dev_dbg(adapter
->dev
, "cmd: PS Command: Enter PS\n");
1270 ps_mode
->null_pkt_interval
=
1271 cpu_to_le16(adapter
->null_pkt_interval
);
1272 ps_mode
->multiple_dtims
=
1273 cpu_to_le16(adapter
->multiple_dtim
);
1274 ps_mode
->bcn_miss_timeout
=
1275 cpu_to_le16(adapter
->bcn_miss_time_out
);
1276 ps_mode
->local_listen_interval
=
1277 cpu_to_le16(adapter
->local_listen_interval
);
1278 ps_mode
->adhoc_wake_period
=
1279 cpu_to_le16(adapter
->adhoc_awake_period
);
1280 ps_mode
->delay_to_ps
=
1281 cpu_to_le16(adapter
->delay_to_ps
);
1282 ps_mode
->mode
= cpu_to_le16(adapter
->enhanced_ps_mode
);
1285 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1286 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1287 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1290 auto_ds_tlv
->header
.type
=
1291 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1292 auto_ds_tlv
->header
.len
=
1293 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1294 sizeof(struct mwifiex_ie_types_header
));
1295 cmd_size
+= sizeof(*auto_ds_tlv
);
1296 tlv
+= sizeof(*auto_ds_tlv
);
1298 idletime
= auto_ds
->idle_time
;
1299 dev_dbg(priv
->adapter
->dev
,
1300 "cmd: PS Command: Enter Auto Deep Sleep\n");
1301 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1303 cmd
->size
= cpu_to_le16(cmd_size
);
1309 * This function handles the command response of an enhanced power mode
1312 * Handling includes changing the header fields into CPU format
1313 * and setting the current enhanced power mode in driver.
1315 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1316 struct host_cmd_ds_command
*resp
,
1317 struct mwifiex_ds_pm_cfg
*pm_cfg
)
1319 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1320 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1321 &resp
->params
.psmode_enh
;
1322 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1323 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1324 uint16_t auto_ps_bitmap
=
1325 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1327 dev_dbg(adapter
->dev
,
1328 "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1329 __func__
, resp
->result
, action
);
1330 if (action
== EN_AUTO_PS
) {
1331 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1332 dev_dbg(adapter
->dev
, "cmd: Enabled auto deep sleep\n");
1333 priv
->adapter
->is_deep_sleep
= true;
1335 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1336 dev_dbg(adapter
->dev
, "cmd: Enabled STA power save\n");
1337 if (adapter
->sleep_period
.period
)
1338 dev_dbg(adapter
->dev
,
1339 "cmd: set to uapsd/pps mode\n");
1341 } else if (action
== DIS_AUTO_PS
) {
1342 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1343 priv
->adapter
->is_deep_sleep
= false;
1344 dev_dbg(adapter
->dev
, "cmd: Disabled auto deep sleep\n");
1346 if (ps_bitmap
& BITMAP_STA_PS
) {
1347 dev_dbg(adapter
->dev
, "cmd: Disabled STA power save\n");
1348 if (adapter
->sleep_period
.period
) {
1349 adapter
->delay_null_pkt
= false;
1350 adapter
->tx_lock_flag
= false;
1351 adapter
->pps_uapsd_mode
= false;
1354 } else if (action
== GET_PS
) {
1355 if (ps_bitmap
& BITMAP_STA_PS
)
1356 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1358 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1360 dev_dbg(adapter
->dev
, "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1363 /* This section is for get power save mode */
1364 if (ps_bitmap
& BITMAP_STA_PS
)
1365 pm_cfg
->param
.ps_mode
= 1;
1367 pm_cfg
->param
.ps_mode
= 0;
1374 * This function prepares command to get hardware specifications.
1376 * Preparation includes -
1377 * - Setting command ID, action and proper size
1378 * - Setting permanent address parameter
1379 * - Ensuring correct endian-ness
1381 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1382 struct host_cmd_ds_command
*cmd
)
1384 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1386 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1388 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1389 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1395 * This function handles the command response of get hardware
1398 * Handling includes changing the header fields into CPU format
1399 * and saving/updating the following parameters in driver -
1400 * - Firmware capability information
1401 * - Firmware band settings
1402 * - Ad-hoc start band and channel
1403 * - Ad-hoc 11n activation status
1404 * - Firmware release number
1405 * - Number of antennas
1406 * - Hardware address
1407 * - Hardware interface version
1408 * - Firmware version
1410 * - 11n capabilities
1411 * - MCS support fields
1414 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1415 struct host_cmd_ds_command
*resp
)
1417 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1418 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1421 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1423 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1424 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1426 adapter
->fw_bands
= BAND_B
;
1428 adapter
->config_bands
= adapter
->fw_bands
;
1430 if (adapter
->fw_bands
& BAND_A
) {
1431 if (adapter
->fw_bands
& BAND_GN
) {
1432 adapter
->config_bands
|= BAND_AN
;
1433 adapter
->fw_bands
|= BAND_AN
;
1435 if (adapter
->fw_bands
& BAND_AN
) {
1436 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1437 adapter
->adhoc_11n_enabled
= true;
1439 adapter
->adhoc_start_band
= BAND_A
;
1441 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1442 } else if (adapter
->fw_bands
& BAND_GN
) {
1443 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1444 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1445 adapter
->adhoc_11n_enabled
= true;
1446 } else if (adapter
->fw_bands
& BAND_G
) {
1447 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1448 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1449 } else if (adapter
->fw_bands
& BAND_B
) {
1450 adapter
->adhoc_start_band
= BAND_B
;
1451 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1454 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1455 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1457 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: fw_release_number- %#x\n",
1458 adapter
->fw_release_number
);
1459 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: permanent addr: %pM\n",
1460 hw_spec
->permanent_addr
);
1461 dev_dbg(adapter
->dev
,
1462 "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1463 le16_to_cpu(hw_spec
->hw_if_version
),
1464 le16_to_cpu(hw_spec
->version
));
1466 if (priv
->curr_addr
[0] == 0xff)
1467 memmove(priv
->curr_addr
, hw_spec
->permanent_addr
, ETH_ALEN
);
1469 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1471 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1472 /* Use the region code to search for the index */
1473 if (adapter
->region_code
== region_code_index
[i
])
1476 /* If it's unidentified region code, use the default (USA) */
1477 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1478 adapter
->region_code
= 0x10;
1479 dev_dbg(adapter
->dev
,
1480 "cmd: unknown region code, use default (USA)\n");
1483 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1484 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1486 if (adapter
->if_ops
.update_mp_end_port
)
1487 adapter
->if_ops
.update_mp_end_port(adapter
,
1488 le16_to_cpu(hw_spec
->mp_end_port
));