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 skb_trim(cmd_node
->cmd_skb
, cmd_size
);
175 do_gettimeofday(&tstamp
);
176 dev_dbg(adapter
->dev
, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"
178 tstamp
.tv_sec
, tstamp
.tv_usec
, cmd_code
,
179 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
)), cmd_size
,
180 le16_to_cpu(host_cmd
->seq_num
));
182 if (adapter
->iface_type
== MWIFIEX_USB
) {
183 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
184 skb_push(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
185 memcpy(cmd_node
->cmd_skb
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
186 adapter
->cmd_sent
= true;
187 ret
= adapter
->if_ops
.host_to_card(adapter
,
188 MWIFIEX_USB_EP_CMD_EVENT
,
189 cmd_node
->cmd_skb
, NULL
);
190 skb_pull(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
192 cmd_node
->cmd_skb
= NULL
;
194 skb_push(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
195 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
196 cmd_node
->cmd_skb
, NULL
);
197 skb_pull(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
201 dev_err(adapter
->dev
, "DNLD_CMD: host to card failed\n");
202 if (adapter
->iface_type
== MWIFIEX_USB
)
203 adapter
->cmd_sent
= false;
204 if (cmd_node
->wait_q_enabled
)
205 adapter
->cmd_wait_q
.status
= -1;
206 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
208 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
209 adapter
->curr_cmd
= NULL
;
210 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
212 adapter
->dbg
.num_cmd_host_to_card_failure
++;
216 /* Save the last command id and action to debug log */
217 adapter
->dbg
.last_cmd_index
=
218 (adapter
->dbg
.last_cmd_index
+ 1) % DBG_CMD_NUM
;
219 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
] = cmd_code
;
220 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
] =
221 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
));
223 /* Clear BSS_NO_BITS from HostCmd */
224 cmd_code
&= HostCmd_CMD_ID_MASK
;
226 /* Setup the timer after transmit command */
227 mod_timer(&adapter
->cmd_timer
,
228 jiffies
+ (MWIFIEX_TIMER_10S
* HZ
) / 1000);
234 * This function downloads a sleep confirm command to the firmware.
236 * The function performs sanity tests, sets the command sequence
237 * number and size, converts the header fields to CPU format before
240 * No responses are needed for sleep confirm command.
242 static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter
*adapter
)
245 struct mwifiex_private
*priv
;
246 struct mwifiex_opt_sleep_confirm
*sleep_cfm_buf
=
247 (struct mwifiex_opt_sleep_confirm
*)
248 adapter
->sleep_cfm
->data
;
249 struct sk_buff
*sleep_cfm_tmp
;
252 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
254 sleep_cfm_buf
->seq_num
=
255 cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO
256 (adapter
->seq_num
, priv
->bss_num
,
260 if (adapter
->iface_type
== MWIFIEX_USB
) {
262 dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm
)
264 skb_put(sleep_cfm_tmp
, sizeof(struct mwifiex_opt_sleep_confirm
)
266 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
267 memcpy(sleep_cfm_tmp
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
268 memcpy(sleep_cfm_tmp
->data
+ MWIFIEX_TYPE_LEN
,
269 adapter
->sleep_cfm
->data
,
270 sizeof(struct mwifiex_opt_sleep_confirm
));
271 ret
= adapter
->if_ops
.host_to_card(adapter
,
272 MWIFIEX_USB_EP_CMD_EVENT
,
273 sleep_cfm_tmp
, NULL
);
275 dev_kfree_skb_any(sleep_cfm_tmp
);
277 skb_push(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
278 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
279 adapter
->sleep_cfm
, NULL
);
280 skb_pull(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
284 dev_err(adapter
->dev
, "SLEEP_CFM: failed\n");
285 adapter
->dbg
.num_cmd_sleep_cfm_host_to_card_failure
++;
288 if (GET_BSS_ROLE(mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
))
289 == MWIFIEX_BSS_ROLE_STA
) {
290 if (!sleep_cfm_buf
->resp_ctrl
)
291 /* Response is not needed for sleep
293 adapter
->ps_state
= PS_STATE_SLEEP
;
295 adapter
->ps_state
= PS_STATE_SLEEP_CFM
;
297 if (!sleep_cfm_buf
->resp_ctrl
&&
298 (adapter
->is_hs_configured
&&
299 !adapter
->sleep_period
.period
)) {
300 adapter
->pm_wakeup_card_req
= true;
301 mwifiex_hs_activated_event(mwifiex_get_priv
302 (adapter
, MWIFIEX_BSS_ROLE_STA
), true);
310 * This function allocates the command buffers and links them to
311 * the command free queue.
313 * The driver uses a pre allocated number of command buffers, which
314 * are created at driver initializations and freed at driver cleanup.
315 * Every command needs to obtain a command buffer from this pool before
316 * it can be issued. The command free queue lists the command buffers
317 * currently free to use, while the command pending queue lists the
318 * command buffers already in use and awaiting handling. Command buffers
319 * are returned to the free queue after use.
321 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter
*adapter
)
323 struct cmd_ctrl_node
*cmd_array
;
327 /* Allocate and initialize struct cmd_ctrl_node */
328 buf_size
= sizeof(struct cmd_ctrl_node
) * MWIFIEX_NUM_OF_CMD_BUFFER
;
329 cmd_array
= kzalloc(buf_size
, GFP_KERNEL
);
331 dev_err(adapter
->dev
, "%s: failed to alloc cmd_array\n",
336 adapter
->cmd_pool
= cmd_array
;
337 memset(adapter
->cmd_pool
, 0, buf_size
);
339 /* Allocate and initialize command buffers */
340 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
341 cmd_array
[i
].skb
= dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER
);
342 if (!cmd_array
[i
].skb
) {
343 dev_err(adapter
->dev
, "ALLOC_CMD_BUF: out of memory\n");
348 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++)
349 mwifiex_insert_cmd_to_free_q(adapter
, &cmd_array
[i
]);
355 * This function frees the command buffers.
357 * The function calls the completion callback for all the command
358 * buffers that still have response buffers associated with them.
360 int mwifiex_free_cmd_buffer(struct mwifiex_adapter
*adapter
)
362 struct cmd_ctrl_node
*cmd_array
;
365 /* Need to check if cmd pool is allocated or not */
366 if (!adapter
->cmd_pool
) {
367 dev_dbg(adapter
->dev
, "info: FREE_CMD_BUF: cmd_pool is null\n");
371 cmd_array
= adapter
->cmd_pool
;
373 /* Release shared memory buffers */
374 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
375 if (cmd_array
[i
].skb
) {
376 dev_dbg(adapter
->dev
, "cmd: free cmd buffer %d\n", i
);
377 dev_kfree_skb_any(cmd_array
[i
].skb
);
379 if (!cmd_array
[i
].resp_skb
)
382 if (adapter
->iface_type
== MWIFIEX_USB
)
383 adapter
->if_ops
.cmdrsp_complete(adapter
,
384 cmd_array
[i
].resp_skb
);
386 dev_kfree_skb_any(cmd_array
[i
].resp_skb
);
388 /* Release struct cmd_ctrl_node */
389 if (adapter
->cmd_pool
) {
390 dev_dbg(adapter
->dev
, "cmd: free cmd pool\n");
391 kfree(adapter
->cmd_pool
);
392 adapter
->cmd_pool
= NULL
;
399 * This function handles events generated by firmware.
401 * Event body of events received from firmware are not used (though they are
402 * saved), only the event ID is used. Some events are re-invoked by
403 * the driver, with a new event body.
405 * After processing, the function calls the completion callback
408 int mwifiex_process_event(struct mwifiex_adapter
*adapter
)
411 struct mwifiex_private
*priv
=
412 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
413 struct sk_buff
*skb
= adapter
->event_skb
;
414 u32 eventcause
= adapter
->event_cause
;
415 struct timeval tstamp
;
416 struct mwifiex_rxinfo
*rx_info
;
418 /* Save the last event to debug log */
419 adapter
->dbg
.last_event_index
=
420 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
421 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
424 /* Get BSS number and corresponding priv */
425 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
426 EVENT_GET_BSS_TYPE(eventcause
));
428 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
429 /* Clear BSS_NO_BITS from event */
430 eventcause
&= EVENT_ID_MASK
;
431 adapter
->event_cause
= eventcause
;
434 rx_info
= MWIFIEX_SKB_RXCB(skb
);
435 rx_info
->bss_num
= priv
->bss_num
;
436 rx_info
->bss_type
= priv
->bss_type
;
439 if (eventcause
!= EVENT_PS_SLEEP
&& eventcause
!= EVENT_PS_AWAKE
) {
440 do_gettimeofday(&tstamp
);
441 dev_dbg(adapter
->dev
, "event: %lu.%lu: cause: %#x\n",
442 tstamp
.tv_sec
, tstamp
.tv_usec
, eventcause
);
445 ret
= mwifiex_process_sta_event(priv
);
447 adapter
->event_cause
= 0;
448 adapter
->event_skb
= NULL
;
449 adapter
->if_ops
.event_complete(adapter
, skb
);
455 * This function is used to send synchronous command to the firmware.
457 * it allocates a wait queue for the command and wait for the command
460 int mwifiex_send_cmd_sync(struct mwifiex_private
*priv
, uint16_t cmd_no
,
461 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
464 struct mwifiex_adapter
*adapter
= priv
->adapter
;
466 adapter
->cmd_wait_q_required
= true;
468 ret
= mwifiex_send_cmd_async(priv
, cmd_no
, cmd_action
, cmd_oid
,
471 ret
= mwifiex_wait_queue_complete(adapter
);
478 * This function prepares a command and asynchronously send it to the firmware.
480 * Preparation includes -
481 * - Sanity tests to make sure the card is still present or the FW
483 * - Getting a new command node from the command free queue
484 * - Initializing the command node for default parameters
485 * - Fill up the non-default parameters and buffer pointers
486 * - Add the command to pending queue
488 int mwifiex_send_cmd_async(struct mwifiex_private
*priv
, uint16_t cmd_no
,
489 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
492 struct mwifiex_adapter
*adapter
= priv
->adapter
;
493 struct cmd_ctrl_node
*cmd_node
;
494 struct host_cmd_ds_command
*cmd_ptr
;
497 pr_err("PREP_CMD: adapter is NULL\n");
501 if (adapter
->is_suspended
) {
502 dev_err(adapter
->dev
, "PREP_CMD: device in suspended state\n");
506 if (adapter
->surprise_removed
) {
507 dev_err(adapter
->dev
, "PREP_CMD: card is removed\n");
511 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
512 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
513 dev_err(adapter
->dev
, "PREP_CMD: FW in reset state\n");
518 /* Get a new command node */
519 cmd_node
= mwifiex_get_cmd_node(adapter
);
522 dev_err(adapter
->dev
, "PREP_CMD: no free cmd node\n");
526 /* Initialize the command node */
527 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, data_buf
);
529 if (!cmd_node
->cmd_skb
) {
530 dev_err(adapter
->dev
, "PREP_CMD: no free cmd buf\n");
534 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
535 0, sizeof(struct host_cmd_ds_command
));
537 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
538 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
541 /* Prepare command */
543 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
544 cmd_oid
, data_buf
, cmd_ptr
);
546 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
547 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
550 /* Return error, since the command preparation failed */
552 dev_err(adapter
->dev
, "PREP_CMD: cmd %#x preparation failed\n",
554 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
559 if (cmd_no
== HostCmd_CMD_802_11_SCAN
) {
560 mwifiex_queue_scan_cmd(priv
, cmd_node
);
562 adapter
->cmd_queued
= cmd_node
;
563 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
570 * This function returns a command to the command free queue.
572 * The function also calls the completion callback if required, before
573 * cleaning the command node and re-inserting it into the free queue.
576 mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter
*adapter
,
577 struct cmd_ctrl_node
*cmd_node
)
584 if (cmd_node
->wait_q_enabled
)
585 mwifiex_complete_cmd(adapter
, cmd_node
);
587 mwifiex_clean_cmd_node(adapter
, cmd_node
);
589 /* Insert node into cmd_free_q */
590 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
591 list_add_tail(&cmd_node
->list
, &adapter
->cmd_free_q
);
592 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
596 * This function queues a command to the command pending queue.
598 * This in effect adds the command to the command list to be executed.
599 * Exit PS command is handled specially, by placing it always to the
600 * front of the command queue.
603 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
604 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
606 struct host_cmd_ds_command
*host_cmd
= NULL
;
610 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
612 dev_err(adapter
->dev
, "QUEUE_CMD: host_cmd is NULL\n");
616 command
= le16_to_cpu(host_cmd
->command
);
618 /* Exit_PS command needs to be queued in the header always. */
619 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
620 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
621 &host_cmd
->params
.psmode_enh
;
622 if ((le16_to_cpu(pm
->action
) == DIS_PS
) ||
623 (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
624 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
629 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
631 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
633 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
634 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
636 dev_dbg(adapter
->dev
, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command
);
640 * This function executes the next command in command pending queue.
642 * This function will fail if a command is already in processing stage,
643 * otherwise it will dequeue the first command from the command pending
644 * queue and send to the firmware.
646 * If the device is currently in host sleep mode, any commands, except the
647 * host sleep configuration command will de-activate the host sleep. For PS
648 * mode, the function will put the firmware back to sleep if applicable.
650 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
652 struct mwifiex_private
*priv
;
653 struct cmd_ctrl_node
*cmd_node
;
655 struct host_cmd_ds_command
*host_cmd
;
656 unsigned long cmd_flags
;
657 unsigned long cmd_pending_q_flags
;
659 /* Check if already in processing */
660 if (adapter
->curr_cmd
) {
661 dev_err(adapter
->dev
, "EXEC_NEXT_CMD: cmd in processing\n");
665 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
666 /* Check if any command is pending */
667 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
668 if (list_empty(&adapter
->cmd_pending_q
)) {
669 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
670 cmd_pending_q_flags
);
671 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
674 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
675 struct cmd_ctrl_node
, list
);
676 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
677 cmd_pending_q_flags
);
679 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
680 priv
= cmd_node
->priv
;
682 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
683 dev_err(adapter
->dev
, "%s: cannot send cmd in sleep state,"
684 " this should not happen\n", __func__
);
685 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
689 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
690 list_del(&cmd_node
->list
);
691 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
692 cmd_pending_q_flags
);
694 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
695 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
696 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
697 /* Any command sent to the firmware when host is in sleep
698 * mode should de-configure host sleep. We should skip the
699 * host sleep configuration command itself though
701 if (priv
&& (host_cmd
->command
!=
702 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
703 if (adapter
->hs_activated
) {
704 adapter
->is_hs_configured
= false;
705 mwifiex_hs_activated_event(priv
, false);
713 * This function handles the command response.
715 * After processing, the function cleans the command node and puts
716 * it back to the command free queue.
718 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
720 struct host_cmd_ds_command
*resp
;
721 struct mwifiex_private
*priv
=
722 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
724 uint16_t orig_cmdresp_no
;
726 uint16_t cmdresp_result
;
727 struct timeval tstamp
;
730 /* Now we got response from FW, cancel the command timer */
731 del_timer(&adapter
->cmd_timer
);
733 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
734 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
735 dev_err(adapter
->dev
, "CMD_RESP: NULL curr_cmd, %#x\n",
736 le16_to_cpu(resp
->command
));
740 adapter
->num_cmd_timeout
= 0;
742 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
743 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_CANCELED
) {
744 dev_err(adapter
->dev
, "CMD_RESP: %#x been canceled\n",
745 le16_to_cpu(resp
->command
));
746 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
747 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
748 adapter
->curr_cmd
= NULL
;
749 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
753 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
754 /* Copy original response back to response buffer */
755 struct mwifiex_ds_misc_cmd
*hostcmd
;
756 uint16_t size
= le16_to_cpu(resp
->size
);
757 dev_dbg(adapter
->dev
, "info: host cmd resp size = %d\n", size
);
758 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
759 if (adapter
->curr_cmd
->data_buf
) {
760 hostcmd
= adapter
->curr_cmd
->data_buf
;
762 memcpy(hostcmd
->cmd
, resp
, size
);
765 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
767 /* Get BSS number and corresponding priv */
768 priv
= mwifiex_get_priv_by_id(adapter
,
769 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
770 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
772 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
773 /* Clear RET_BIT from HostCmd */
774 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
776 cmdresp_no
= le16_to_cpu(resp
->command
);
777 cmdresp_result
= le16_to_cpu(resp
->result
);
779 /* Save the last command response to debug log */
780 adapter
->dbg
.last_cmd_resp_index
=
781 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
782 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
785 do_gettimeofday(&tstamp
);
786 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d,"
787 " len %d, seqno 0x%x\n",
788 tstamp
.tv_sec
, tstamp
.tv_usec
, orig_cmdresp_no
, cmdresp_result
,
789 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
791 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
792 dev_err(adapter
->dev
, "CMD_RESP: invalid cmd resp\n");
793 if (adapter
->curr_cmd
->wait_q_enabled
)
794 adapter
->cmd_wait_q
.status
= -1;
796 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
797 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
798 adapter
->curr_cmd
= NULL
;
799 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
803 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
804 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
805 if ((cmdresp_result
== HostCmd_RESULT_OK
) &&
806 (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
807 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
809 /* handle response */
810 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
);
813 /* Check init command response */
814 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
816 dev_err(adapter
->dev
, "%s: cmd %#x failed during "
817 "initialization\n", __func__
, cmdresp_no
);
818 mwifiex_init_fw_complete(adapter
);
820 } else if (adapter
->last_init_cmd
== cmdresp_no
)
821 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
824 if (adapter
->curr_cmd
) {
825 if (adapter
->curr_cmd
->wait_q_enabled
)
826 adapter
->cmd_wait_q
.status
= ret
;
828 /* Clean up and put current command back to cmd_free_q */
829 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
831 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
832 adapter
->curr_cmd
= NULL
;
833 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
840 * This function handles the timeout of command sending.
842 * It will re-send the same command again.
845 mwifiex_cmd_timeout_func(unsigned long function_context
)
847 struct mwifiex_adapter
*adapter
=
848 (struct mwifiex_adapter
*) function_context
;
849 struct cmd_ctrl_node
*cmd_node
;
850 struct timeval tstamp
;
852 adapter
->num_cmd_timeout
++;
853 adapter
->dbg
.num_cmd_timeout
++;
854 if (!adapter
->curr_cmd
) {
855 dev_dbg(adapter
->dev
, "cmd: empty curr_cmd\n");
858 cmd_node
= adapter
->curr_cmd
;
859 if (cmd_node
->wait_q_enabled
)
860 adapter
->cmd_wait_q
.status
= -ETIMEDOUT
;
863 adapter
->dbg
.timeout_cmd_id
=
864 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
865 adapter
->dbg
.timeout_cmd_act
=
866 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
867 do_gettimeofday(&tstamp
);
868 dev_err(adapter
->dev
,
869 "%s: Timeout cmd id (%lu.%lu) = %#x, act = %#x\n",
870 __func__
, tstamp
.tv_sec
, tstamp
.tv_usec
,
871 adapter
->dbg
.timeout_cmd_id
,
872 adapter
->dbg
.timeout_cmd_act
);
874 dev_err(adapter
->dev
, "num_data_h2c_failure = %d\n",
875 adapter
->dbg
.num_tx_host_to_card_failure
);
876 dev_err(adapter
->dev
, "num_cmd_h2c_failure = %d\n",
877 adapter
->dbg
.num_cmd_host_to_card_failure
);
879 dev_err(adapter
->dev
, "num_cmd_timeout = %d\n",
880 adapter
->dbg
.num_cmd_timeout
);
881 dev_err(adapter
->dev
, "num_tx_timeout = %d\n",
882 adapter
->dbg
.num_tx_timeout
);
884 dev_err(adapter
->dev
, "last_cmd_index = %d\n",
885 adapter
->dbg
.last_cmd_index
);
886 print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET
,
887 adapter
->dbg
.last_cmd_id
, DBG_CMD_NUM
);
888 print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET
,
889 adapter
->dbg
.last_cmd_act
, DBG_CMD_NUM
);
891 dev_err(adapter
->dev
, "last_cmd_resp_index = %d\n",
892 adapter
->dbg
.last_cmd_resp_index
);
893 print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET
,
894 adapter
->dbg
.last_cmd_resp_id
,
897 dev_err(adapter
->dev
, "last_event_index = %d\n",
898 adapter
->dbg
.last_event_index
);
899 print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET
,
900 adapter
->dbg
.last_event
, DBG_CMD_NUM
);
902 dev_err(adapter
->dev
, "data_sent=%d cmd_sent=%d\n",
903 adapter
->data_sent
, adapter
->cmd_sent
);
905 dev_err(adapter
->dev
, "ps_mode=%d ps_state=%d\n",
906 adapter
->ps_mode
, adapter
->ps_state
);
908 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
)
909 mwifiex_init_fw_complete(adapter
);
913 * This function cancels all the pending commands.
915 * The current command, all commands in command pending queue and all scan
916 * commands in scan pending queue are cancelled. All the completion callbacks
917 * are called with failure status to ensure cleanup.
920 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
922 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
925 /* Cancel current cmd */
926 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wait_q_enabled
)) {
927 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
928 adapter
->curr_cmd
->wait_q_enabled
= false;
929 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
930 adapter
->cmd_wait_q
.status
= -1;
931 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
933 /* Cancel all pending command */
934 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
935 list_for_each_entry_safe(cmd_node
, tmp_node
,
936 &adapter
->cmd_pending_q
, list
) {
937 list_del(&cmd_node
->list
);
938 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
940 if (cmd_node
->wait_q_enabled
) {
941 adapter
->cmd_wait_q
.status
= -1;
942 mwifiex_complete_cmd(adapter
, cmd_node
);
943 cmd_node
->wait_q_enabled
= false;
945 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
946 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
948 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
950 /* Cancel all pending scan command */
951 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
952 list_for_each_entry_safe(cmd_node
, tmp_node
,
953 &adapter
->scan_pending_q
, list
) {
954 list_del(&cmd_node
->list
);
955 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
957 cmd_node
->wait_q_enabled
= false;
958 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
959 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
961 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
963 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
964 adapter
->scan_processing
= false;
965 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
969 * This function cancels all pending commands that matches with
970 * the given IOCTL request.
972 * Both the current command buffer and the pending command queue are
973 * searched for matching IOCTL request. The completion callback of
974 * the matched command is called with failure status to ensure cleanup.
975 * In case of scan commands, all pending commands in scan pending queue
979 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
)
981 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
= NULL
;
982 unsigned long cmd_flags
;
983 unsigned long scan_pending_q_flags
;
984 uint16_t cancel_scan_cmd
= false;
986 if ((adapter
->curr_cmd
) &&
987 (adapter
->curr_cmd
->wait_q_enabled
)) {
988 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
989 cmd_node
= adapter
->curr_cmd
;
990 cmd_node
->wait_q_enabled
= false;
991 cmd_node
->cmd_flag
|= CMD_F_CANCELED
;
992 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
993 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
994 adapter
->curr_cmd
= NULL
;
995 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
998 /* Cancel all pending scan command */
999 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1000 scan_pending_q_flags
);
1001 list_for_each_entry_safe(cmd_node
, tmp_node
,
1002 &adapter
->scan_pending_q
, list
) {
1003 list_del(&cmd_node
->list
);
1004 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1005 scan_pending_q_flags
);
1006 cmd_node
->wait_q_enabled
= false;
1007 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1008 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
1009 scan_pending_q_flags
);
1010 cancel_scan_cmd
= true;
1012 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
1013 scan_pending_q_flags
);
1015 if (cancel_scan_cmd
) {
1016 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1017 adapter
->scan_processing
= false;
1018 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1020 adapter
->cmd_wait_q
.status
= -1;
1024 * This function sends the sleep confirm command to firmware, if
1027 * The sleep confirm command cannot be issued if command response,
1028 * data response or event response is awaiting handling, or if we
1029 * are in the middle of sending a command, or expecting a command
1033 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
1035 if (!adapter
->cmd_sent
&&
1036 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
1037 mwifiex_dnld_sleep_confirm_cmd(adapter
);
1039 dev_dbg(adapter
->dev
,
1040 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1041 (adapter
->cmd_sent
) ? "D" : "",
1042 (adapter
->curr_cmd
) ? "C" : "",
1043 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1047 * This function sends a Host Sleep activated event to applications.
1049 * This event is generated by the driver, with a blank event body.
1052 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1055 if (priv
->adapter
->is_hs_configured
) {
1056 priv
->adapter
->hs_activated
= true;
1057 dev_dbg(priv
->adapter
->dev
, "event: hs_activated\n");
1058 priv
->adapter
->hs_activate_wait_q_woken
= true;
1059 wake_up_interruptible(
1060 &priv
->adapter
->hs_activate_wait_q
);
1062 dev_dbg(priv
->adapter
->dev
, "event: HS not configured\n");
1065 dev_dbg(priv
->adapter
->dev
, "event: hs_deactivated\n");
1066 priv
->adapter
->hs_activated
= false;
1071 * This function handles the command response of a Host Sleep configuration
1074 * Handling includes changing the header fields into CPU format
1075 * and setting the current host sleep activation status in driver.
1077 * In case host sleep status change, the function generates an event to
1078 * notify the applications.
1080 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1081 struct host_cmd_ds_command
*resp
)
1083 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1084 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1085 &resp
->params
.opt_hs_cfg
;
1086 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1088 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
)) {
1089 mwifiex_hs_activated_event(priv
, true);
1092 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: HS_CFG cmd reply"
1093 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1094 resp
->result
, conditions
,
1095 phs_cfg
->params
.hs_config
.gpio
,
1096 phs_cfg
->params
.hs_config
.gap
);
1098 if (conditions
!= HOST_SLEEP_CFG_CANCEL
) {
1099 adapter
->is_hs_configured
= true;
1101 adapter
->is_hs_configured
= false;
1102 if (adapter
->hs_activated
)
1103 mwifiex_hs_activated_event(priv
, false);
1110 * This function wakes up the adapter and generates a Host Sleep
1111 * cancel event on receiving the power up interrupt.
1114 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1116 dev_dbg(adapter
->dev
, "info: %s: auto cancelling host sleep"
1117 " since there is interrupt from the firmware\n", __func__
);
1119 adapter
->if_ops
.wakeup(adapter
);
1120 adapter
->hs_activated
= false;
1121 adapter
->is_hs_configured
= false;
1122 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1123 MWIFIEX_BSS_ROLE_ANY
),
1126 EXPORT_SYMBOL_GPL(mwifiex_process_hs_config
);
1129 * This function handles the command response of a sleep confirm command.
1131 * The function sets the card state to SLEEP if the response indicates success.
1134 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1135 u8
*pbuf
, u32 upld_len
)
1137 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1138 struct mwifiex_private
*priv
=
1139 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1140 uint16_t result
= le16_to_cpu(cmd
->result
);
1141 uint16_t command
= le16_to_cpu(cmd
->command
);
1142 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1145 dev_err(adapter
->dev
, "%s: cmd size is 0\n", __func__
);
1149 /* Get BSS number and corresponding priv */
1150 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1151 HostCmd_GET_BSS_TYPE(seq_num
));
1153 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1155 /* Update sequence number */
1156 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1157 /* Clear RET_BIT from HostCmd */
1158 command
&= HostCmd_CMD_ID_MASK
;
1160 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1161 dev_err(adapter
->dev
,
1162 "%s: rcvd unexpected resp for cmd %#x, result = %x\n",
1163 __func__
, command
, result
);
1168 dev_err(adapter
->dev
, "%s: sleep confirm cmd failed\n",
1170 adapter
->pm_wakeup_card_req
= false;
1171 adapter
->ps_state
= PS_STATE_AWAKE
;
1174 adapter
->pm_wakeup_card_req
= true;
1175 if (adapter
->is_hs_configured
)
1176 mwifiex_hs_activated_event(mwifiex_get_priv
1177 (adapter
, MWIFIEX_BSS_ROLE_ANY
),
1179 adapter
->ps_state
= PS_STATE_SLEEP
;
1180 cmd
->command
= cpu_to_le16(command
);
1181 cmd
->seq_num
= cpu_to_le16(seq_num
);
1183 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1186 * This function prepares an enhanced power mode command.
1188 * This function can be used to disable power save or to configure
1189 * power save with auto PS or STA PS or auto deep sleep.
1191 * Preparation includes -
1192 * - Setting command ID, action and proper size
1193 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1194 * auto deep sleep TLV (as required)
1195 * - Ensuring correct endian-ness
1197 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1198 struct host_cmd_ds_command
*cmd
,
1199 u16 cmd_action
, uint16_t ps_bitmap
,
1200 struct mwifiex_ds_auto_ds
*auto_ds
)
1202 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1203 &cmd
->params
.psmode_enh
;
1207 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1208 if (cmd_action
== DIS_AUTO_PS
) {
1209 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1210 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1211 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1212 sizeof(psmode_enh
->params
.ps_bitmap
));
1213 } else if (cmd_action
== GET_PS
) {
1214 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1215 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1216 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1217 sizeof(psmode_enh
->params
.ps_bitmap
));
1218 } else if (cmd_action
== EN_AUTO_PS
) {
1219 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1220 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1221 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1222 sizeof(psmode_enh
->params
.ps_bitmap
);
1223 tlv
= (u8
*) cmd
+ cmd_size
;
1224 if (ps_bitmap
& BITMAP_STA_PS
) {
1225 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1226 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1227 (struct mwifiex_ie_types_ps_param
*) tlv
;
1228 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1229 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1230 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1231 sizeof(struct mwifiex_ie_types_header
));
1232 cmd_size
+= sizeof(*ps_tlv
);
1233 tlv
+= sizeof(*ps_tlv
);
1234 dev_dbg(adapter
->dev
, "cmd: PS Command: Enter PS\n");
1235 ps_mode
->null_pkt_interval
=
1236 cpu_to_le16(adapter
->null_pkt_interval
);
1237 ps_mode
->multiple_dtims
=
1238 cpu_to_le16(adapter
->multiple_dtim
);
1239 ps_mode
->bcn_miss_timeout
=
1240 cpu_to_le16(adapter
->bcn_miss_time_out
);
1241 ps_mode
->local_listen_interval
=
1242 cpu_to_le16(adapter
->local_listen_interval
);
1243 ps_mode
->adhoc_wake_period
=
1244 cpu_to_le16(adapter
->adhoc_awake_period
);
1245 ps_mode
->delay_to_ps
=
1246 cpu_to_le16(adapter
->delay_to_ps
);
1247 ps_mode
->mode
= cpu_to_le16(adapter
->enhanced_ps_mode
);
1250 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1251 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1252 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1255 auto_ds_tlv
->header
.type
=
1256 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1257 auto_ds_tlv
->header
.len
=
1258 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1259 sizeof(struct mwifiex_ie_types_header
));
1260 cmd_size
+= sizeof(*auto_ds_tlv
);
1261 tlv
+= sizeof(*auto_ds_tlv
);
1263 idletime
= auto_ds
->idle_time
;
1264 dev_dbg(priv
->adapter
->dev
,
1265 "cmd: PS Command: Enter Auto Deep Sleep\n");
1266 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1268 cmd
->size
= cpu_to_le16(cmd_size
);
1274 * This function handles the command response of an enhanced power mode
1277 * Handling includes changing the header fields into CPU format
1278 * and setting the current enhanced power mode in driver.
1280 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1281 struct host_cmd_ds_command
*resp
,
1282 struct mwifiex_ds_pm_cfg
*pm_cfg
)
1284 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1285 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1286 &resp
->params
.psmode_enh
;
1287 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1288 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1289 uint16_t auto_ps_bitmap
=
1290 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1292 dev_dbg(adapter
->dev
,
1293 "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1294 __func__
, resp
->result
, action
);
1295 if (action
== EN_AUTO_PS
) {
1296 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1297 dev_dbg(adapter
->dev
, "cmd: Enabled auto deep sleep\n");
1298 priv
->adapter
->is_deep_sleep
= true;
1300 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1301 dev_dbg(adapter
->dev
, "cmd: Enabled STA power save\n");
1302 if (adapter
->sleep_period
.period
)
1303 dev_dbg(adapter
->dev
,
1304 "cmd: set to uapsd/pps mode\n");
1306 } else if (action
== DIS_AUTO_PS
) {
1307 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1308 priv
->adapter
->is_deep_sleep
= false;
1309 dev_dbg(adapter
->dev
, "cmd: Disabled auto deep sleep\n");
1311 if (ps_bitmap
& BITMAP_STA_PS
) {
1312 dev_dbg(adapter
->dev
, "cmd: Disabled STA power save\n");
1313 if (adapter
->sleep_period
.period
) {
1314 adapter
->delay_null_pkt
= false;
1315 adapter
->tx_lock_flag
= false;
1316 adapter
->pps_uapsd_mode
= false;
1319 } else if (action
== GET_PS
) {
1320 if (ps_bitmap
& BITMAP_STA_PS
)
1321 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1323 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1325 dev_dbg(adapter
->dev
, "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1328 /* This section is for get power save mode */
1329 if (ps_bitmap
& BITMAP_STA_PS
)
1330 pm_cfg
->param
.ps_mode
= 1;
1332 pm_cfg
->param
.ps_mode
= 0;
1339 * This function prepares command to get hardware specifications.
1341 * Preparation includes -
1342 * - Setting command ID, action and proper size
1343 * - Setting permanent address parameter
1344 * - Ensuring correct endian-ness
1346 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1347 struct host_cmd_ds_command
*cmd
)
1349 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1351 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1353 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1354 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1360 * This function handles the command response of get hardware
1363 * Handling includes changing the header fields into CPU format
1364 * and saving/updating the following parameters in driver -
1365 * - Firmware capability information
1366 * - Firmware band settings
1367 * - Ad-hoc start band and channel
1368 * - Ad-hoc 11n activation status
1369 * - Firmware release number
1370 * - Number of antennas
1371 * - Hardware address
1372 * - Hardware interface version
1373 * - Firmware version
1375 * - 11n capabilities
1376 * - MCS support fields
1379 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1380 struct host_cmd_ds_command
*resp
)
1382 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1383 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1386 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1388 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1389 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1391 adapter
->fw_bands
= BAND_B
;
1393 adapter
->config_bands
= adapter
->fw_bands
;
1395 if (adapter
->fw_bands
& BAND_A
) {
1396 if (adapter
->fw_bands
& BAND_GN
) {
1397 adapter
->config_bands
|= BAND_AN
;
1398 adapter
->fw_bands
|= BAND_AN
;
1400 if (adapter
->fw_bands
& BAND_AN
) {
1401 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1402 adapter
->adhoc_11n_enabled
= true;
1404 adapter
->adhoc_start_band
= BAND_A
;
1406 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1407 } else if (adapter
->fw_bands
& BAND_GN
) {
1408 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1409 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1410 adapter
->adhoc_11n_enabled
= true;
1411 } else if (adapter
->fw_bands
& BAND_G
) {
1412 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1413 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1414 } else if (adapter
->fw_bands
& BAND_B
) {
1415 adapter
->adhoc_start_band
= BAND_B
;
1416 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1419 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1420 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1422 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: fw_release_number- %#x\n",
1423 adapter
->fw_release_number
);
1424 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: permanent addr: %pM\n",
1425 hw_spec
->permanent_addr
);
1426 dev_dbg(adapter
->dev
,
1427 "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1428 le16_to_cpu(hw_spec
->hw_if_version
),
1429 le16_to_cpu(hw_spec
->version
));
1431 if (priv
->curr_addr
[0] == 0xff)
1432 memmove(priv
->curr_addr
, hw_spec
->permanent_addr
, ETH_ALEN
);
1434 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1436 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1437 /* Use the region code to search for the index */
1438 if (adapter
->region_code
== region_code_index
[i
])
1441 /* If it's unidentified region code, use the default (USA) */
1442 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1443 adapter
->region_code
= 0x10;
1444 dev_dbg(adapter
->dev
,
1445 "cmd: unknown region code, use default (USA)\n");
1448 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1449 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1451 if (adapter
->if_ops
.update_mp_end_port
)
1452 adapter
->if_ops
.update_mp_end_port(adapter
,
1453 le16_to_cpu(hw_spec
->mp_end_port
));