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 *wait_queue
, void *data_buf
)
41 cmd_node
->priv
= priv
;
42 cmd_node
->cmd_oid
= cmd_oid
;
43 cmd_node
->wq_buf
= wait_queue
;
44 cmd_node
->data_buf
= data_buf
;
45 cmd_node
->cmd_skb
= cmd_node
->skb
;
49 * This function returns a command node from the free queue depending upon
52 static struct cmd_ctrl_node
*
53 mwifiex_get_cmd_node(struct mwifiex_adapter
*adapter
)
55 struct cmd_ctrl_node
*cmd_node
;
58 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
59 if (list_empty(&adapter
->cmd_free_q
)) {
60 dev_err(adapter
->dev
, "GET_CMD_NODE: cmd node not available\n");
61 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
64 cmd_node
= list_first_entry(&adapter
->cmd_free_q
,
65 struct cmd_ctrl_node
, list
);
66 list_del(&cmd_node
->list
);
67 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
73 * This function cleans up a command node.
75 * The function resets the fields including the buffer pointers.
76 * This function does not try to free the buffers. They must be
77 * freed before calling this function.
79 * This function will however call the receive completion callback
80 * in case a response buffer is still available before resetting
84 mwifiex_clean_cmd_node(struct mwifiex_adapter
*adapter
,
85 struct cmd_ctrl_node
*cmd_node
)
87 cmd_node
->cmd_oid
= 0;
88 cmd_node
->cmd_flag
= 0;
89 cmd_node
->wq_buf
= NULL
;
90 cmd_node
->data_buf
= NULL
;
92 if (cmd_node
->resp_skb
) {
93 mwifiex_recv_complete(adapter
, cmd_node
->resp_skb
, 0);
94 cmd_node
->resp_skb
= NULL
;
101 * This function returns a command node from the pending queue which
102 * matches the given IOCTL request.
104 static struct cmd_ctrl_node
*
105 mwifiex_get_pending_ioctl_cmd(struct mwifiex_adapter
*adapter
,
106 struct mwifiex_wait_queue
*wait_queue
)
109 struct cmd_ctrl_node
*cmd_node
;
111 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
112 list_for_each_entry(cmd_node
, &adapter
->cmd_pending_q
, list
) {
113 if (cmd_node
->wq_buf
== wait_queue
) {
114 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
119 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
125 * This function sends a host command to the firmware.
127 * The function copies the host command into the driver command
128 * buffer, which will be transferred to the firmware later by the
131 static int mwifiex_cmd_host_cmd(struct mwifiex_private
*priv
,
132 struct host_cmd_ds_command
*cmd
, void *data_buf
)
134 struct mwifiex_ds_misc_cmd
*pcmd_ptr
=
135 (struct mwifiex_ds_misc_cmd
*) data_buf
;
137 /* Copy the HOST command to command buffer */
138 memcpy((void *) cmd
, pcmd_ptr
->cmd
, pcmd_ptr
->len
);
139 dev_dbg(priv
->adapter
->dev
, "cmd: host cmd size = %d\n", pcmd_ptr
->len
);
144 * This function downloads a command to the firmware.
146 * The function performs sanity tests, sets the command sequence
147 * number and size, converts the header fields to CPU format before
148 * sending. Afterwards, it logs the command ID and action for debugging
149 * and sets up the command timeout timer.
151 static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private
*priv
,
152 struct cmd_ctrl_node
*cmd_node
)
155 struct mwifiex_adapter
*adapter
= priv
->adapter
;
157 struct host_cmd_ds_command
*host_cmd
;
158 struct mwifiex_wait_queue
*wait_queue
= NULL
;
161 struct timeval tstamp
;
164 if (!adapter
|| !cmd_node
)
167 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
168 if (cmd_node
->wq_buf
)
169 wait_queue
= (struct mwifiex_wait_queue
*) cmd_node
->wq_buf
;
172 if (host_cmd
== NULL
|| host_cmd
->size
== 0) {
173 dev_err(adapter
->dev
, "DNLD_CMD: host_cmd is null"
174 " or cmd size is 0, not sending\n");
176 wait_queue
->status
= MWIFIEX_ERROR_CMD_DNLD_FAIL
;
177 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
181 /* Set command sequence number */
183 host_cmd
->seq_num
= cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO
184 (adapter
->seq_num
, cmd_node
->priv
->bss_num
,
185 cmd_node
->priv
->bss_type
));
187 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
188 adapter
->curr_cmd
= cmd_node
;
189 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
191 cmd_code
= le16_to_cpu(host_cmd
->command
);
192 cmd_size
= le16_to_cpu(host_cmd
->size
);
194 skb_trim(cmd_node
->cmd_skb
, cmd_size
);
196 do_gettimeofday(&tstamp
);
197 dev_dbg(adapter
->dev
, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"
199 tstamp
.tv_sec
, tstamp
.tv_usec
, cmd_code
,
200 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
)), cmd_size
,
201 le16_to_cpu(host_cmd
->seq_num
));
203 skb_push(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
205 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
206 cmd_node
->cmd_skb
->data
,
207 cmd_node
->cmd_skb
->len
, NULL
);
210 dev_err(adapter
->dev
, "DNLD_CMD: host to card failed\n");
212 wait_queue
->status
= MWIFIEX_ERROR_CMD_DNLD_FAIL
;
213 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
215 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
216 adapter
->curr_cmd
= NULL
;
217 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
219 adapter
->dbg
.num_cmd_host_to_card_failure
++;
223 /* Save the last command id and action to debug log */
224 adapter
->dbg
.last_cmd_index
=
225 (adapter
->dbg
.last_cmd_index
+ 1) % DBG_CMD_NUM
;
226 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
] = cmd_code
;
227 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
] =
228 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
));
230 /* Clear BSS_NO_BITS from HostCmd */
231 cmd_code
&= HostCmd_CMD_ID_MASK
;
233 /* Setup the timer after transmit command */
234 mod_timer(&adapter
->cmd_timer
,
235 jiffies
+ (MWIFIEX_TIMER_10S
* HZ
) / 1000);
241 * This function downloads a sleep confirm command to the firmware.
243 * The function performs sanity tests, sets the command sequence
244 * number and size, converts the header fields to CPU format before
247 * No responses are needed for sleep confirm command.
249 static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter
*adapter
)
253 struct mwifiex_private
*priv
;
254 struct mwifiex_opt_sleep_confirm_buffer
*sleep_cfm_buf
=
255 (struct mwifiex_opt_sleep_confirm_buffer
*)
256 adapter
->sleep_cfm
->data
;
257 cmd_len
= sizeof(struct mwifiex_opt_sleep_confirm
);
258 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
260 sleep_cfm_buf
->ps_cfm_sleep
.seq_num
=
261 cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO
262 (adapter
->seq_num
, priv
->bss_num
,
266 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
267 adapter
->sleep_cfm
->data
,
268 adapter
->sleep_cfm
->len
+
269 INTF_HEADER_LEN
, NULL
);
272 dev_err(adapter
->dev
, "SLEEP_CFM: failed\n");
273 adapter
->dbg
.num_cmd_sleep_cfm_host_to_card_failure
++;
276 if (GET_BSS_ROLE(mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
))
277 == MWIFIEX_BSS_ROLE_STA
) {
278 if (!sleep_cfm_buf
->ps_cfm_sleep
.resp_ctrl
)
279 /* Response is not needed for sleep
281 adapter
->ps_state
= PS_STATE_SLEEP
;
283 adapter
->ps_state
= PS_STATE_SLEEP_CFM
;
285 if (!sleep_cfm_buf
->ps_cfm_sleep
.resp_ctrl
286 && (adapter
->is_hs_configured
287 && !adapter
->sleep_period
.period
)) {
288 adapter
->pm_wakeup_card_req
= true;
289 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
290 MWIFIEX_BSS_ROLE_STA
), true);
298 * This function allocates the command buffers and links them to
299 * the command free queue.
301 * The driver uses a pre allocated number of command buffers, which
302 * are created at driver initializations and freed at driver cleanup.
303 * Every command needs to obtain a command buffer from this pool before
304 * it can be issued. The command free queue lists the command buffers
305 * currently free to use, while the command pending queue lists the
306 * command buffers already in use and awaiting handling. Command buffers
307 * are returned to the free queue after use.
309 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter
*adapter
)
311 struct cmd_ctrl_node
*cmd_array
;
315 /* Allocate and initialize struct cmd_ctrl_node */
316 buf_size
= sizeof(struct cmd_ctrl_node
) * MWIFIEX_NUM_OF_CMD_BUFFER
;
317 cmd_array
= kzalloc(buf_size
, GFP_KERNEL
);
319 dev_err(adapter
->dev
, "%s: failed to alloc cmd_array\n",
324 adapter
->cmd_pool
= cmd_array
;
325 memset(adapter
->cmd_pool
, 0, buf_size
);
327 /* Allocate and initialize command buffers */
328 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
329 cmd_array
[i
].skb
= dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER
);
330 if (!cmd_array
[i
].skb
) {
331 dev_err(adapter
->dev
, "ALLOC_CMD_BUF: out of memory\n");
336 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++)
337 mwifiex_insert_cmd_to_free_q(adapter
, &cmd_array
[i
]);
343 * This function frees the command buffers.
345 * The function calls the completion callback for all the command
346 * buffers that still have response buffers associated with them.
348 int mwifiex_free_cmd_buffer(struct mwifiex_adapter
*adapter
)
350 struct cmd_ctrl_node
*cmd_array
;
353 /* Need to check if cmd pool is allocated or not */
354 if (!adapter
->cmd_pool
) {
355 dev_dbg(adapter
->dev
, "info: FREE_CMD_BUF: cmd_pool is null\n");
359 cmd_array
= adapter
->cmd_pool
;
361 /* Release shared memory buffers */
362 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
363 if (cmd_array
[i
].skb
) {
364 dev_dbg(adapter
->dev
, "cmd: free cmd buffer %d\n", i
);
365 dev_kfree_skb_any(cmd_array
[i
].skb
);
367 if (!cmd_array
[i
].resp_skb
)
369 mwifiex_recv_complete(adapter
, cmd_array
[i
].resp_skb
, 0);
371 /* Release struct cmd_ctrl_node */
372 if (adapter
->cmd_pool
) {
373 dev_dbg(adapter
->dev
, "cmd: free cmd pool\n");
374 kfree(adapter
->cmd_pool
);
375 adapter
->cmd_pool
= NULL
;
382 * This function handles events generated by firmware.
384 * Event body of events received from firmware are not used (though they are
385 * saved), only the event ID is used. Some events are re-invoked by
386 * the driver, with a new event body.
388 * After processing, the function calls the completion callback
391 int mwifiex_process_event(struct mwifiex_adapter
*adapter
)
394 struct mwifiex_private
*priv
=
395 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
396 struct sk_buff
*skb
= adapter
->event_skb
;
397 u32 eventcause
= adapter
->event_cause
;
398 struct timeval tstamp
;
399 struct mwifiex_rxinfo
*rx_info
= NULL
;
401 /* Save the last event to debug log */
402 adapter
->dbg
.last_event_index
=
403 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
404 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
407 /* Get BSS number and corresponding priv */
408 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
409 EVENT_GET_BSS_TYPE(eventcause
));
411 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
412 /* Clear BSS_NO_BITS from event */
413 eventcause
&= EVENT_ID_MASK
;
414 adapter
->event_cause
= eventcause
;
417 rx_info
= MWIFIEX_SKB_RXCB(skb
);
418 rx_info
->bss_index
= priv
->bss_index
;
421 if (eventcause
!= EVENT_PS_SLEEP
&& eventcause
!= EVENT_PS_AWAKE
) {
422 do_gettimeofday(&tstamp
);
423 dev_dbg(adapter
->dev
, "event: %lu.%lu: cause: %#x\n",
424 tstamp
.tv_sec
, tstamp
.tv_usec
, eventcause
);
427 ret
= mwifiex_process_sta_event(priv
);
429 adapter
->event_cause
= 0;
430 adapter
->event_skb
= NULL
;
432 mwifiex_recv_complete(adapter
, skb
, 0);
438 * This function prepares a command before sending it to the firmware.
440 * Preparation includes -
441 * - Sanity tests to make sure the card is still present or the FW
443 * - Getting a new command node from the command free queue
444 * - Initializing the command node for default parameters
445 * - Fill up the non-default parameters and buffer pointers
446 * - Add the command to pending queue
448 int mwifiex_prepare_cmd(struct mwifiex_private
*priv
, uint16_t cmd_no
,
449 u16 cmd_action
, u32 cmd_oid
,
450 void *wait_queue
, void *data_buf
)
453 struct mwifiex_adapter
*adapter
= priv
->adapter
;
454 struct cmd_ctrl_node
*cmd_node
= NULL
;
455 struct host_cmd_ds_command
*cmd_ptr
= NULL
;
458 pr_err("PREP_CMD: adapter is NULL\n");
462 if (adapter
->is_suspended
) {
463 dev_err(adapter
->dev
, "PREP_CMD: device in suspended state\n");
467 if (adapter
->surprise_removed
) {
468 dev_err(adapter
->dev
, "PREP_CMD: card is removed\n");
472 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
473 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
474 dev_err(adapter
->dev
, "PREP_CMD: FW in reset state\n");
479 /* Get a new command node */
480 cmd_node
= mwifiex_get_cmd_node(adapter
);
483 dev_err(adapter
->dev
, "PREP_CMD: no free cmd node\n");
487 /* Initialize the command node */
488 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, wait_queue
, data_buf
);
490 if (!cmd_node
->cmd_skb
) {
491 dev_err(adapter
->dev
, "PREP_CMD: no free cmd buf\n");
495 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
496 0, sizeof(struct host_cmd_ds_command
));
498 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
499 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
502 /* Prepare command */
504 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
505 cmd_oid
, data_buf
, cmd_ptr
);
507 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
508 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
511 /* Return error, since the command preparation failed */
513 dev_err(adapter
->dev
, "PREP_CMD: cmd %#x preparation failed\n",
515 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
520 if (cmd_no
== HostCmd_CMD_802_11_SCAN
)
521 mwifiex_queue_scan_cmd(priv
, cmd_node
);
523 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
529 * This function returns a command to the command free queue.
531 * The function also calls the completion callback if required, before
532 * cleaning the command node and re-inserting it into the free queue.
535 mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter
*adapter
,
536 struct cmd_ctrl_node
*cmd_node
)
538 struct mwifiex_wait_queue
*wait_queue
= NULL
;
541 if (cmd_node
== NULL
)
543 if (cmd_node
->wq_buf
) {
544 wait_queue
= (struct mwifiex_wait_queue
*) cmd_node
->wq_buf
;
545 if (wait_queue
->status
!= MWIFIEX_ERROR_NO_ERROR
)
546 mwifiex_ioctl_complete(adapter
, wait_queue
, -1);
548 mwifiex_ioctl_complete(adapter
, wait_queue
, 0);
551 mwifiex_clean_cmd_node(adapter
, cmd_node
);
553 /* Insert node into cmd_free_q */
554 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
555 list_add_tail(&cmd_node
->list
, &adapter
->cmd_free_q
);
556 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
562 * This function queues a command to the command pending queue.
564 * This in effect adds the command to the command list to be executed.
565 * Exit PS command is handled specially, by placing it always to the
566 * front of the command queue.
569 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
570 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
572 struct host_cmd_ds_command
*host_cmd
= NULL
;
576 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
578 dev_err(adapter
->dev
, "QUEUE_CMD: host_cmd is NULL\n");
582 command
= le16_to_cpu(host_cmd
->command
);
584 /* Exit_PS command needs to be queued in the header always. */
585 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
586 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
587 &host_cmd
->params
.psmode_enh
;
588 if ((le16_to_cpu(pm
->action
) == DIS_PS
)
589 || (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
590 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
595 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
597 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
599 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
600 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
602 dev_dbg(adapter
->dev
, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command
);
608 * This function executes the next command in command pending queue.
610 * This function will fail if a command is already in processing stage,
611 * otherwise it will dequeue the first command from the command pending
612 * queue and send to the firmware.
614 * If the device is currently in host sleep mode, any commands, except the
615 * host sleep configuration command will de-activate the host sleep. For PS
616 * mode, the function will put the firmware back to sleep if applicable.
618 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
620 struct mwifiex_private
*priv
= NULL
;
621 struct cmd_ctrl_node
*cmd_node
= NULL
;
623 struct host_cmd_ds_command
*host_cmd
;
624 unsigned long cmd_flags
;
625 unsigned long cmd_pending_q_flags
;
627 /* Check if already in processing */
628 if (adapter
->curr_cmd
) {
629 dev_err(adapter
->dev
, "EXEC_NEXT_CMD: cmd in processing\n");
633 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
634 /* Check if any command is pending */
635 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
636 if (list_empty(&adapter
->cmd_pending_q
)) {
637 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
638 cmd_pending_q_flags
);
639 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
642 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
643 struct cmd_ctrl_node
, list
);
644 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
645 cmd_pending_q_flags
);
647 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
648 priv
= cmd_node
->priv
;
650 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
651 dev_err(adapter
->dev
, "%s: cannot send cmd in sleep state,"
652 " this should not happen\n", __func__
);
653 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
657 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
658 list_del(&cmd_node
->list
);
659 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
660 cmd_pending_q_flags
);
662 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
663 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
664 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
665 /* Any command sent to the firmware when host is in sleep
666 * mode should de-configure host sleep. We should skip the
667 * host sleep configuration command itself though
669 if (priv
&& (host_cmd
->command
!=
670 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
671 if (adapter
->hs_activated
) {
672 adapter
->is_hs_configured
= false;
673 mwifiex_hs_activated_event(priv
, false);
681 * This function handles the command response.
683 * After processing, the function cleans the command node and puts
684 * it back to the command free queue.
686 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
688 struct host_cmd_ds_command
*resp
= NULL
;
689 struct mwifiex_private
*priv
=
690 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
692 uint16_t orig_cmdresp_no
;
694 uint16_t cmdresp_result
;
695 struct mwifiex_wait_queue
*wait_queue
= NULL
;
696 struct timeval tstamp
;
699 /* Now we got response from FW, cancel the command timer */
700 del_timer(&adapter
->cmd_timer
);
702 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
703 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
704 dev_err(adapter
->dev
, "CMD_RESP: NULL curr_cmd, %#x\n",
705 le16_to_cpu(resp
->command
));
709 if (adapter
->curr_cmd
->wq_buf
)
710 wait_queue
= (struct mwifiex_wait_queue
*)
711 adapter
->curr_cmd
->wq_buf
;
713 adapter
->num_cmd_timeout
= 0;
715 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
716 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_CANCELED
) {
717 dev_err(adapter
->dev
, "CMD_RESP: %#x been canceled\n",
718 le16_to_cpu(resp
->command
));
719 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
720 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
721 adapter
->curr_cmd
= NULL
;
722 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
726 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
727 /* Copy original response back to response buffer */
728 struct mwifiex_ds_misc_cmd
*hostcmd
= NULL
;
729 uint16_t size
= le16_to_cpu(resp
->size
);
730 dev_dbg(adapter
->dev
, "info: host cmd resp size = %d\n", size
);
731 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
732 if (adapter
->curr_cmd
->data_buf
) {
733 hostcmd
= (struct mwifiex_ds_misc_cmd
*)
734 adapter
->curr_cmd
->data_buf
;
736 memcpy(hostcmd
->cmd
, (void *) resp
, size
);
739 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
741 /* Get BSS number and corresponding priv */
742 priv
= mwifiex_get_priv_by_id(adapter
,
743 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
744 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
746 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
747 /* Clear RET_BIT from HostCmd */
748 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
750 cmdresp_no
= le16_to_cpu(resp
->command
);
751 cmdresp_result
= le16_to_cpu(resp
->result
);
753 /* Save the last command response to debug log */
754 adapter
->dbg
.last_cmd_resp_index
=
755 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
756 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
759 do_gettimeofday(&tstamp
);
760 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d,"
761 " len %d, seqno 0x%x\n",
762 tstamp
.tv_sec
, tstamp
.tv_usec
, orig_cmdresp_no
, cmdresp_result
,
763 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
765 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
766 dev_err(adapter
->dev
, "CMD_RESP: invalid cmd resp\n");
768 wait_queue
->status
= MWIFIEX_ERROR_FW_CMDRESP
;
770 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
771 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
772 adapter
->curr_cmd
= NULL
;
773 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
777 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
778 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
779 if ((cmdresp_result
== HostCmd_RESULT_OK
)
780 && (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
781 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
783 /* handle response */
784 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
,
788 /* Check init command response */
789 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
791 dev_err(adapter
->dev
, "%s: cmd %#x failed during "
792 "initialization\n", __func__
, cmdresp_no
);
793 mwifiex_init_fw_complete(adapter
);
795 } else if (adapter
->last_init_cmd
== cmdresp_no
)
796 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
799 if (adapter
->curr_cmd
) {
800 if (wait_queue
&& (!ret
))
801 wait_queue
->status
= MWIFIEX_ERROR_NO_ERROR
;
802 else if (wait_queue
&& (ret
== -1))
803 wait_queue
->status
= MWIFIEX_ERROR_CMD_RESP_FAIL
;
805 /* Clean up and put current command back to cmd_free_q */
806 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
808 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
809 adapter
->curr_cmd
= NULL
;
810 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
817 * This function handles the timeout of command sending.
819 * It will re-send the same command again.
822 mwifiex_cmd_timeout_func(unsigned long function_context
)
824 struct mwifiex_adapter
*adapter
=
825 (struct mwifiex_adapter
*) function_context
;
826 struct cmd_ctrl_node
*cmd_node
= NULL
;
827 struct mwifiex_wait_queue
*wait_queue
= NULL
;
828 struct timeval tstamp
;
830 adapter
->num_cmd_timeout
++;
831 adapter
->dbg
.num_cmd_timeout
++;
832 if (!adapter
->curr_cmd
) {
833 dev_dbg(adapter
->dev
, "cmd: empty curr_cmd\n");
836 cmd_node
= adapter
->curr_cmd
;
837 if (cmd_node
->wq_buf
) {
838 wait_queue
= (struct mwifiex_wait_queue
*) cmd_node
->wq_buf
;
839 wait_queue
->status
= MWIFIEX_ERROR_CMD_TIMEOUT
;
843 adapter
->dbg
.timeout_cmd_id
=
844 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
845 adapter
->dbg
.timeout_cmd_act
=
846 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
847 do_gettimeofday(&tstamp
);
848 dev_err(adapter
->dev
, "%s: Timeout cmd id (%lu.%lu) = %#x,"
849 " act = %#x\n", __func__
,
850 tstamp
.tv_sec
, tstamp
.tv_usec
,
851 adapter
->dbg
.timeout_cmd_id
,
852 adapter
->dbg
.timeout_cmd_act
);
854 dev_err(adapter
->dev
, "num_data_h2c_failure = %d\n",
855 adapter
->dbg
.num_tx_host_to_card_failure
);
856 dev_err(adapter
->dev
, "num_cmd_h2c_failure = %d\n",
857 adapter
->dbg
.num_cmd_host_to_card_failure
);
859 dev_err(adapter
->dev
, "num_cmd_timeout = %d\n",
860 adapter
->dbg
.num_cmd_timeout
);
861 dev_err(adapter
->dev
, "num_tx_timeout = %d\n",
862 adapter
->dbg
.num_tx_timeout
);
864 dev_err(adapter
->dev
, "last_cmd_index = %d\n",
865 adapter
->dbg
.last_cmd_index
);
866 print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET
,
867 adapter
->dbg
.last_cmd_id
, DBG_CMD_NUM
);
868 print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET
,
869 adapter
->dbg
.last_cmd_act
, DBG_CMD_NUM
);
871 dev_err(adapter
->dev
, "last_cmd_resp_index = %d\n",
872 adapter
->dbg
.last_cmd_resp_index
);
873 print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET
,
874 adapter
->dbg
.last_cmd_resp_id
, DBG_CMD_NUM
);
876 dev_err(adapter
->dev
, "last_event_index = %d\n",
877 adapter
->dbg
.last_event_index
);
878 print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET
,
879 adapter
->dbg
.last_event
, DBG_CMD_NUM
);
881 dev_err(adapter
->dev
, "data_sent=%d cmd_sent=%d\n",
882 adapter
->data_sent
, adapter
->cmd_sent
);
884 dev_err(adapter
->dev
, "ps_mode=%d ps_state=%d\n",
885 adapter
->ps_mode
, adapter
->ps_state
);
887 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
)
888 mwifiex_init_fw_complete(adapter
);
894 * This function cancels all the pending commands.
896 * The current command, all commands in command pending queue and all scan
897 * commands in scan pending queue are cancelled. All the completion callbacks
898 * are called with failure status to ensure cleanup.
901 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
903 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
= NULL
;
904 struct mwifiex_wait_queue
*wait_queue
= NULL
;
907 /* Cancel current cmd */
908 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wq_buf
)) {
910 (struct mwifiex_wait_queue
*) adapter
->curr_cmd
->wq_buf
;
911 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
912 adapter
->curr_cmd
->wq_buf
= NULL
;
913 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
914 wait_queue
->status
= MWIFIEX_ERROR_CMD_CANCEL
;
915 mwifiex_ioctl_complete(adapter
, wait_queue
, -1);
917 /* Cancel all pending command */
918 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
919 list_for_each_entry_safe(cmd_node
, tmp_node
,
920 &adapter
->cmd_pending_q
, list
) {
921 list_del(&cmd_node
->list
);
922 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
924 if (cmd_node
->wq_buf
) {
926 (struct mwifiex_wait_queue
*) cmd_node
->wq_buf
;
927 wait_queue
->status
= MWIFIEX_ERROR_CMD_CANCEL
;
928 mwifiex_ioctl_complete(adapter
, wait_queue
, -1);
929 cmd_node
->wq_buf
= NULL
;
931 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
932 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
934 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
936 /* Cancel all pending scan command */
937 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
938 list_for_each_entry_safe(cmd_node
, tmp_node
,
939 &adapter
->scan_pending_q
, list
) {
940 list_del(&cmd_node
->list
);
941 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
943 cmd_node
->wq_buf
= NULL
;
944 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
945 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
947 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
949 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
950 adapter
->scan_processing
= false;
951 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
955 * This function cancels all pending commands that matches with
956 * the given IOCTL request.
958 * Both the current command buffer and the pending command queue are
959 * searched for matching IOCTL request. The completion callback of
960 * the matched command is called with failure status to ensure cleanup.
961 * In case of scan commands, all pending commands in scan pending queue
965 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
,
966 struct mwifiex_wait_queue
*wait_queue
)
968 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
= NULL
;
969 unsigned long cmd_flags
;
970 unsigned long cmd_pending_q_flags
;
971 unsigned long scan_pending_q_flags
;
972 uint16_t cancel_scan_cmd
= false;
974 if ((adapter
->curr_cmd
) &&
975 (adapter
->curr_cmd
->wq_buf
== wait_queue
)) {
976 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
977 cmd_node
= adapter
->curr_cmd
;
978 cmd_node
->wq_buf
= NULL
;
979 cmd_node
->cmd_flag
|= CMD_F_CANCELED
;
980 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
983 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
985 cmd_node
= mwifiex_get_pending_ioctl_cmd(adapter
, wait_queue
);
989 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
,
990 cmd_pending_q_flags
);
991 list_del(&cmd_node
->list
);
992 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
993 cmd_pending_q_flags
);
995 cmd_node
->wq_buf
= NULL
;
996 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
998 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
999 /* Cancel all pending scan command */
1000 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1001 scan_pending_q_flags
);
1002 list_for_each_entry_safe(cmd_node
, tmp_node
,
1003 &adapter
->scan_pending_q
, list
) {
1004 if (cmd_node
->wq_buf
== wait_queue
) {
1005 list_del(&cmd_node
->list
);
1006 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1007 scan_pending_q_flags
);
1008 cmd_node
->wq_buf
= NULL
;
1009 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1010 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1011 scan_pending_q_flags
);
1012 cancel_scan_cmd
= true;
1015 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1016 scan_pending_q_flags
);
1018 if (cancel_scan_cmd
) {
1019 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1020 adapter
->scan_processing
= false;
1021 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1023 wait_queue
->status
= MWIFIEX_ERROR_CMD_CANCEL
;
1024 mwifiex_ioctl_complete(adapter
, wait_queue
, -1);
1030 * This function sends the sleep confirm command to firmware, if
1033 * The sleep confirm command cannot be issued if command response,
1034 * data response or event response is awaiting handling, or if we
1035 * are in the middle of sending a command, or expecting a command
1039 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
1041 if (!adapter
->cmd_sent
&&
1042 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
1043 mwifiex_dnld_sleep_confirm_cmd(adapter
);
1045 dev_dbg(adapter
->dev
,
1046 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1047 (adapter
->cmd_sent
) ? "D" : "",
1048 (adapter
->curr_cmd
) ? "C" : "",
1049 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1053 * This function sends a Host Sleep activated event to applications.
1055 * This event is generated by the driver, with a blank event body.
1058 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1061 if (priv
->adapter
->is_hs_configured
) {
1062 priv
->adapter
->hs_activated
= true;
1063 dev_dbg(priv
->adapter
->dev
, "event: hs_activated\n");
1064 priv
->adapter
->hs_activate_wait_q_woken
= true;
1065 wake_up_interruptible(
1066 &priv
->adapter
->hs_activate_wait_q
);
1068 dev_dbg(priv
->adapter
->dev
, "event: HS not configured\n");
1071 dev_dbg(priv
->adapter
->dev
, "event: hs_deactivated\n");
1072 priv
->adapter
->hs_activated
= false;
1077 * This function handles the command response of a Host Sleep configuration
1080 * Handling includes changing the header fields into CPU format
1081 * and setting the current host sleep activation status in driver.
1083 * In case host sleep status change, the function generates an event to
1084 * notify the applications.
1086 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1087 struct host_cmd_ds_command
*resp
)
1089 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1090 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1091 &resp
->params
.opt_hs_cfg
;
1092 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1094 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
)) {
1095 mwifiex_hs_activated_event(priv
, true);
1098 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: HS_CFG cmd reply"
1099 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1100 resp
->result
, conditions
,
1101 phs_cfg
->params
.hs_config
.gpio
,
1102 phs_cfg
->params
.hs_config
.gap
);
1104 if (conditions
!= HOST_SLEEP_CFG_CANCEL
) {
1105 adapter
->is_hs_configured
= true;
1107 adapter
->is_hs_configured
= false;
1108 if (adapter
->hs_activated
)
1109 mwifiex_hs_activated_event(priv
, false);
1116 * This function wakes up the adapter and generates a Host Sleep
1117 * cancel event on receiving the power up interrupt.
1120 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1122 dev_dbg(adapter
->dev
, "info: %s: auto cancelling host sleep"
1123 " since there is interrupt from the firmware\n", __func__
);
1125 adapter
->if_ops
.wakeup(adapter
);
1126 adapter
->hs_activated
= false;
1127 adapter
->is_hs_configured
= false;
1128 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1129 MWIFIEX_BSS_ROLE_ANY
), false);
1134 * This function handles the command response of a sleep confirm command.
1136 * The function sets the card state to SLEEP if the response indicates success.
1139 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1140 u8
*pbuf
, u32 upld_len
)
1142 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1143 struct mwifiex_private
*priv
=
1144 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1145 uint16_t result
= le16_to_cpu(cmd
->result
);
1146 uint16_t command
= le16_to_cpu(cmd
->command
);
1147 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1150 dev_err(adapter
->dev
, "%s: cmd size is 0\n", __func__
);
1154 /* Get BSS number and corresponding priv */
1155 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1156 HostCmd_GET_BSS_TYPE(seq_num
));
1158 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1160 /* Update sequence number */
1161 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1162 /* Clear RET_BIT from HostCmd */
1163 command
&= HostCmd_CMD_ID_MASK
;
1165 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1166 dev_err(adapter
->dev
, "%s: received unexpected response for"
1167 " cmd %x, result = %x\n", __func__
, command
, result
);
1172 dev_err(adapter
->dev
, "%s: sleep confirm cmd failed\n",
1174 adapter
->pm_wakeup_card_req
= false;
1175 adapter
->ps_state
= PS_STATE_AWAKE
;
1178 adapter
->pm_wakeup_card_req
= true;
1179 if (adapter
->is_hs_configured
)
1180 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1181 MWIFIEX_BSS_ROLE_ANY
), true);
1182 adapter
->ps_state
= PS_STATE_SLEEP
;
1183 cmd
->command
= cpu_to_le16(command
);
1184 cmd
->seq_num
= cpu_to_le16(seq_num
);
1186 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1189 * This function prepares an enhanced power mode command.
1191 * This function can be used to disable power save or to configure
1192 * power save with auto PS or STA PS or auto deep sleep.
1194 * Preparation includes -
1195 * - Setting command ID, action and proper size
1196 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1197 * auto deep sleep TLV (as required)
1198 * - Ensuring correct endian-ness
1200 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1201 struct host_cmd_ds_command
*cmd
,
1202 u16 cmd_action
, uint16_t ps_bitmap
,
1205 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1206 &cmd
->params
.psmode_enh
;
1210 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1211 if (cmd_action
== DIS_AUTO_PS
) {
1212 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1213 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1214 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1215 sizeof(psmode_enh
->params
.ps_bitmap
));
1216 } else if (cmd_action
== GET_PS
) {
1217 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1218 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1219 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1220 sizeof(psmode_enh
->params
.ps_bitmap
));
1221 } else if (cmd_action
== EN_AUTO_PS
) {
1222 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1223 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1224 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1225 sizeof(psmode_enh
->params
.ps_bitmap
);
1226 tlv
= (u8
*) cmd
+ cmd_size
;
1227 if (ps_bitmap
& BITMAP_STA_PS
) {
1228 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1229 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1230 (struct mwifiex_ie_types_ps_param
*) tlv
;
1231 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1232 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1233 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1234 sizeof(struct mwifiex_ie_types_header
));
1235 cmd_size
+= sizeof(*ps_tlv
);
1236 tlv
+= sizeof(*ps_tlv
);
1237 dev_dbg(adapter
->dev
, "cmd: PS Command: Enter PS\n");
1238 ps_mode
->null_pkt_interval
=
1239 cpu_to_le16(adapter
->null_pkt_interval
);
1240 ps_mode
->multiple_dtims
=
1241 cpu_to_le16(adapter
->multiple_dtim
);
1242 ps_mode
->bcn_miss_timeout
=
1243 cpu_to_le16(adapter
->bcn_miss_time_out
);
1244 ps_mode
->local_listen_interval
=
1245 cpu_to_le16(adapter
->local_listen_interval
);
1246 ps_mode
->adhoc_wake_period
=
1247 cpu_to_le16(adapter
->adhoc_awake_period
);
1248 ps_mode
->delay_to_ps
=
1249 cpu_to_le16(adapter
->delay_to_ps
);
1251 cpu_to_le16(adapter
->enhanced_ps_mode
);
1254 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1255 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1256 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1259 auto_ds_tlv
->header
.type
=
1260 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1261 auto_ds_tlv
->header
.len
=
1262 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1263 sizeof(struct mwifiex_ie_types_header
));
1264 cmd_size
+= sizeof(*auto_ds_tlv
);
1265 tlv
+= sizeof(*auto_ds_tlv
);
1267 idletime
= ((struct mwifiex_ds_auto_ds
*)
1268 data_buf
)->idle_time
;
1269 dev_dbg(priv
->adapter
->dev
,
1270 "cmd: PS Command: Enter Auto Deep Sleep\n");
1271 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1273 cmd
->size
= cpu_to_le16(cmd_size
);
1279 * This function handles the command response of an enhanced power mode
1282 * Handling includes changing the header fields into CPU format
1283 * and setting the current enhanced power mode in driver.
1285 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1286 struct host_cmd_ds_command
*resp
,
1289 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1290 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1291 &resp
->params
.psmode_enh
;
1292 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1293 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1294 uint16_t auto_ps_bitmap
=
1295 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1297 dev_dbg(adapter
->dev
, "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1298 __func__
, resp
->result
, action
);
1299 if (action
== EN_AUTO_PS
) {
1300 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1301 dev_dbg(adapter
->dev
, "cmd: Enabled auto deep sleep\n");
1302 priv
->adapter
->is_deep_sleep
= true;
1304 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1305 dev_dbg(adapter
->dev
, "cmd: Enabled STA power save\n");
1306 if (adapter
->sleep_period
.period
)
1307 dev_dbg(adapter
->dev
, "cmd: set to uapsd/pps mode\n");
1309 } else if (action
== DIS_AUTO_PS
) {
1310 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1311 priv
->adapter
->is_deep_sleep
= false;
1312 dev_dbg(adapter
->dev
, "cmd: Disabled auto deep sleep\n");
1314 if (ps_bitmap
& BITMAP_STA_PS
) {
1315 dev_dbg(adapter
->dev
, "cmd: Disabled STA power save\n");
1316 if (adapter
->sleep_period
.period
) {
1317 adapter
->delay_null_pkt
= false;
1318 adapter
->tx_lock_flag
= false;
1319 adapter
->pps_uapsd_mode
= false;
1322 } else if (action
== GET_PS
) {
1323 if (ps_bitmap
& BITMAP_STA_PS
)
1324 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1326 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1328 dev_dbg(adapter
->dev
, "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1331 /* This section is for get power save mode */
1332 struct mwifiex_ds_pm_cfg
*pm_cfg
=
1333 (struct mwifiex_ds_pm_cfg
*)data_buf
;
1334 if (ps_bitmap
& BITMAP_STA_PS
)
1335 pm_cfg
->param
.ps_mode
= 1;
1337 pm_cfg
->param
.ps_mode
= 0;
1344 * This function prepares command to get hardware specifications.
1346 * Preparation includes -
1347 * - Setting command ID, action and proper size
1348 * - Setting permanent address parameter
1349 * - Ensuring correct endian-ness
1351 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1352 struct host_cmd_ds_command
*cmd
)
1354 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1356 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1358 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1359 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1365 * This function handles the command response of get hardware
1368 * Handling includes changing the header fields into CPU format
1369 * and saving/updating the following parameters in driver -
1370 * - Firmware capability information
1371 * - Firmware band settings
1372 * - Ad-hoc start band and channel
1373 * - Ad-hoc 11n activation status
1374 * - Firmware release number
1375 * - Number of antennas
1376 * - Hardware address
1377 * - Hardware interface version
1378 * - Firmware version
1380 * - 11n capabilities
1381 * - MCS support fields
1384 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1385 struct host_cmd_ds_command
*resp
)
1387 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1388 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1391 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1393 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1394 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1396 adapter
->fw_bands
= BAND_B
;
1398 adapter
->config_bands
= adapter
->fw_bands
;
1400 if (adapter
->fw_bands
& BAND_A
) {
1401 if (adapter
->fw_bands
& BAND_GN
) {
1402 adapter
->config_bands
|= BAND_AN
;
1403 adapter
->fw_bands
|= BAND_AN
;
1405 if (adapter
->fw_bands
& BAND_AN
) {
1406 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1407 adapter
->adhoc_11n_enabled
= true;
1409 adapter
->adhoc_start_band
= BAND_A
;
1411 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1412 } else if (adapter
->fw_bands
& BAND_GN
) {
1413 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1414 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1415 adapter
->adhoc_11n_enabled
= true;
1416 } else if (adapter
->fw_bands
& BAND_G
) {
1417 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1418 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1419 } else if (adapter
->fw_bands
& BAND_B
) {
1420 adapter
->adhoc_start_band
= BAND_B
;
1421 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1424 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1425 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1427 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: fw_release_number- %#x\n",
1428 adapter
->fw_release_number
);
1429 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: permanent addr: %pM\n",
1430 hw_spec
->permanent_addr
);
1431 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1432 le16_to_cpu(hw_spec
->hw_if_version
),
1433 le16_to_cpu(hw_spec
->version
));
1435 if (priv
->curr_addr
[0] == 0xff)
1436 memmove(priv
->curr_addr
, hw_spec
->permanent_addr
, ETH_ALEN
);
1438 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1440 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1441 /* Use the region code to search for the index */
1442 if (adapter
->region_code
== region_code_index
[i
])
1445 /* If it's unidentified region code, use the default (USA) */
1446 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1447 adapter
->region_code
= 0x10;
1448 dev_dbg(adapter
->dev
, "cmd: unknown region code, use default (USA)\n");
1451 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1452 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1454 if (adapter
->if_ops
.update_mp_end_port
)
1455 adapter
->if_ops
.update_mp_end_port(adapter
,
1456 le16_to_cpu(hw_spec
->mp_end_port
));