2 * Marvell Wireless LAN device driver: commands and events
4 * Copyright (C) 2011-2014, 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.
30 * This function initializes a command node.
32 * The actual allocation of the node is not done by this function. It only
33 * initiates a node by filling it with default parameters. Similarly,
34 * allocation of the different buffers used (IOCTL buffer, data buffer) are
35 * not done by this function either.
38 mwifiex_init_cmd_node(struct mwifiex_private
*priv
,
39 struct cmd_ctrl_node
*cmd_node
,
40 u32 cmd_oid
, void *data_buf
, bool sync
)
42 cmd_node
->priv
= priv
;
43 cmd_node
->cmd_oid
= cmd_oid
;
45 cmd_node
->wait_q_enabled
= true;
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 mwifiex_dbg(adapter
, ERROR
,
66 "GET_CMD_NODE: cmd node not available\n");
67 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
70 cmd_node
= list_first_entry(&adapter
->cmd_free_q
,
71 struct cmd_ctrl_node
, list
);
72 list_del(&cmd_node
->list
);
73 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
79 * This function cleans up a command node.
81 * The function resets the fields including the buffer pointers.
82 * This function does not try to free the buffers. They must be
83 * freed before calling this function.
85 * This function will however call the receive completion callback
86 * in case a response buffer is still available before resetting
90 mwifiex_clean_cmd_node(struct mwifiex_adapter
*adapter
,
91 struct cmd_ctrl_node
*cmd_node
)
93 cmd_node
->cmd_oid
= 0;
94 cmd_node
->cmd_flag
= 0;
95 cmd_node
->data_buf
= NULL
;
96 cmd_node
->wait_q_enabled
= false;
98 if (cmd_node
->cmd_skb
)
99 skb_trim(cmd_node
->cmd_skb
, 0);
101 if (cmd_node
->resp_skb
) {
102 adapter
->if_ops
.cmdrsp_complete(adapter
, cmd_node
->resp_skb
);
103 cmd_node
->resp_skb
= NULL
;
108 * This function returns a command to the command free queue.
110 * The function also calls the completion callback if required, before
111 * cleaning the command node and re-inserting it into the free queue.
114 mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter
*adapter
,
115 struct cmd_ctrl_node
*cmd_node
)
122 if (cmd_node
->wait_q_enabled
)
123 mwifiex_complete_cmd(adapter
, cmd_node
);
125 mwifiex_clean_cmd_node(adapter
, cmd_node
);
127 /* Insert node into cmd_free_q */
128 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
129 list_add_tail(&cmd_node
->list
, &adapter
->cmd_free_q
);
130 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
133 /* This function reuses a command node. */
134 void mwifiex_recycle_cmd_node(struct mwifiex_adapter
*adapter
,
135 struct cmd_ctrl_node
*cmd_node
)
137 struct host_cmd_ds_command
*host_cmd
= (void *)cmd_node
->cmd_skb
->data
;
139 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
141 atomic_dec(&adapter
->cmd_pending
);
142 mwifiex_dbg(adapter
, CMD
,
143 "cmd: FREE_CMD: cmd=%#x, cmd_pending=%d\n",
144 le16_to_cpu(host_cmd
->command
),
145 atomic_read(&adapter
->cmd_pending
));
149 * This function sends a host command to the firmware.
151 * The function copies the host command into the driver command
152 * buffer, which will be transferred to the firmware later by the
155 static int mwifiex_cmd_host_cmd(struct mwifiex_private
*priv
,
156 struct host_cmd_ds_command
*cmd
,
157 struct mwifiex_ds_misc_cmd
*pcmd_ptr
)
159 /* Copy the HOST command to command buffer */
160 memcpy(cmd
, pcmd_ptr
->cmd
, pcmd_ptr
->len
);
161 mwifiex_dbg(priv
->adapter
, CMD
,
162 "cmd: host cmd size = %d\n", pcmd_ptr
->len
);
167 * This function downloads a command to the firmware.
169 * The function performs sanity tests, sets the command sequence
170 * number and size, converts the header fields to CPU format before
171 * sending. Afterwards, it logs the command ID and action for debugging
172 * and sets up the command timeout timer.
174 static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private
*priv
,
175 struct cmd_ctrl_node
*cmd_node
)
178 struct mwifiex_adapter
*adapter
= priv
->adapter
;
180 struct host_cmd_ds_command
*host_cmd
;
186 if (!adapter
|| !cmd_node
)
189 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
192 if (host_cmd
== NULL
|| host_cmd
->size
== 0) {
193 mwifiex_dbg(adapter
, ERROR
,
194 "DNLD_CMD: host_cmd is null\t"
195 "or cmd size is 0, not sending\n");
196 if (cmd_node
->wait_q_enabled
)
197 adapter
->cmd_wait_q
.status
= -1;
198 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
202 cmd_code
= le16_to_cpu(host_cmd
->command
);
203 cmd_size
= le16_to_cpu(host_cmd
->size
);
205 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
&&
206 cmd_code
!= HostCmd_CMD_FUNC_SHUTDOWN
&&
207 cmd_code
!= HostCmd_CMD_FUNC_INIT
) {
208 mwifiex_dbg(adapter
, ERROR
,
209 "DNLD_CMD: FW in reset state, ignore cmd %#x\n",
211 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
212 queue_work(adapter
->workqueue
, &adapter
->main_work
);
216 /* Set command sequence number */
218 host_cmd
->seq_num
= cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO
220 cmd_node
->priv
->bss_num
,
221 cmd_node
->priv
->bss_type
));
223 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
224 adapter
->curr_cmd
= cmd_node
;
225 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
227 /* Adjust skb length */
228 if (cmd_node
->cmd_skb
->len
> cmd_size
)
230 * cmd_size is less than sizeof(struct host_cmd_ds_command).
231 * Trim off the unused portion.
233 skb_trim(cmd_node
->cmd_skb
, cmd_size
);
234 else if (cmd_node
->cmd_skb
->len
< cmd_size
)
236 * cmd_size is larger than sizeof(struct host_cmd_ds_command)
237 * because we have appended custom IE TLV. Increase skb length
240 skb_put(cmd_node
->cmd_skb
, cmd_size
- cmd_node
->cmd_skb
->len
);
242 mwifiex_dbg(adapter
, CMD
,
243 "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n",
245 le16_to_cpu(*(__le16
*)((u8
*)host_cmd
+ S_DS_GEN
)),
246 cmd_size
, le16_to_cpu(host_cmd
->seq_num
));
247 mwifiex_dbg_dump(adapter
, CMD_D
, "cmd buffer:", host_cmd
, cmd_size
);
249 if (adapter
->iface_type
== MWIFIEX_USB
) {
250 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
251 skb_push(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
252 memcpy(cmd_node
->cmd_skb
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
253 adapter
->cmd_sent
= true;
254 ret
= adapter
->if_ops
.host_to_card(adapter
,
255 MWIFIEX_USB_EP_CMD_EVENT
,
256 cmd_node
->cmd_skb
, NULL
);
257 skb_pull(cmd_node
->cmd_skb
, MWIFIEX_TYPE_LEN
);
259 cmd_node
->cmd_skb
= NULL
;
261 skb_push(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
262 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
263 cmd_node
->cmd_skb
, NULL
);
264 skb_pull(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
268 mwifiex_dbg(adapter
, ERROR
,
269 "DNLD_CMD: host to card failed\n");
270 if (adapter
->iface_type
== MWIFIEX_USB
)
271 adapter
->cmd_sent
= false;
272 if (cmd_node
->wait_q_enabled
)
273 adapter
->cmd_wait_q
.status
= -1;
274 mwifiex_recycle_cmd_node(adapter
, adapter
->curr_cmd
);
276 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
277 adapter
->curr_cmd
= NULL
;
278 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
280 adapter
->dbg
.num_cmd_host_to_card_failure
++;
284 /* Save the last command id and action to debug log */
285 adapter
->dbg
.last_cmd_index
=
286 (adapter
->dbg
.last_cmd_index
+ 1) % DBG_CMD_NUM
;
287 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
] = cmd_code
;
288 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
] =
289 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
));
291 /* Clear BSS_NO_BITS from HostCmd */
292 cmd_code
&= HostCmd_CMD_ID_MASK
;
294 /* Setup the timer after transmit command */
295 mod_timer(&adapter
->cmd_timer
,
296 jiffies
+ msecs_to_jiffies(MWIFIEX_TIMER_10S
));
302 * This function downloads a sleep confirm command to the firmware.
304 * The function performs sanity tests, sets the command sequence
305 * number and size, converts the header fields to CPU format before
308 * No responses are needed for sleep confirm command.
310 static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter
*adapter
)
313 struct mwifiex_private
*priv
;
314 struct mwifiex_opt_sleep_confirm
*sleep_cfm_buf
=
315 (struct mwifiex_opt_sleep_confirm
*)
316 adapter
->sleep_cfm
->data
;
317 struct sk_buff
*sleep_cfm_tmp
;
320 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
323 sleep_cfm_buf
->seq_num
=
324 cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO
325 (adapter
->seq_num
, priv
->bss_num
,
328 mwifiex_dbg(adapter
, CMD
,
329 "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n",
330 le16_to_cpu(sleep_cfm_buf
->command
),
331 le16_to_cpu(sleep_cfm_buf
->action
),
332 le16_to_cpu(sleep_cfm_buf
->size
),
333 le16_to_cpu(sleep_cfm_buf
->seq_num
));
334 mwifiex_dbg_dump(adapter
, CMD_D
, "SLEEP_CFM buffer: ", sleep_cfm_buf
,
335 le16_to_cpu(sleep_cfm_buf
->size
));
337 if (adapter
->iface_type
== MWIFIEX_USB
) {
339 dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm
)
341 skb_put(sleep_cfm_tmp
, sizeof(struct mwifiex_opt_sleep_confirm
)
343 tmp
= cpu_to_le32(MWIFIEX_USB_TYPE_CMD
);
344 memcpy(sleep_cfm_tmp
->data
, &tmp
, MWIFIEX_TYPE_LEN
);
345 memcpy(sleep_cfm_tmp
->data
+ MWIFIEX_TYPE_LEN
,
346 adapter
->sleep_cfm
->data
,
347 sizeof(struct mwifiex_opt_sleep_confirm
));
348 ret
= adapter
->if_ops
.host_to_card(adapter
,
349 MWIFIEX_USB_EP_CMD_EVENT
,
350 sleep_cfm_tmp
, NULL
);
352 dev_kfree_skb_any(sleep_cfm_tmp
);
354 skb_push(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
355 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
356 adapter
->sleep_cfm
, NULL
);
357 skb_pull(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
361 mwifiex_dbg(adapter
, ERROR
, "SLEEP_CFM: failed\n");
362 adapter
->dbg
.num_cmd_sleep_cfm_host_to_card_failure
++;
366 if (!le16_to_cpu(sleep_cfm_buf
->resp_ctrl
))
367 /* Response is not needed for sleep confirm command */
368 adapter
->ps_state
= PS_STATE_SLEEP
;
370 adapter
->ps_state
= PS_STATE_SLEEP_CFM
;
372 if (!le16_to_cpu(sleep_cfm_buf
->resp_ctrl
) &&
373 (adapter
->is_hs_configured
&&
374 !adapter
->sleep_period
.period
)) {
375 adapter
->pm_wakeup_card_req
= true;
376 mwifiex_hs_activated_event(mwifiex_get_priv
377 (adapter
, MWIFIEX_BSS_ROLE_ANY
), true);
384 * This function allocates the command buffers and links them to
385 * the command free queue.
387 * The driver uses a pre allocated number of command buffers, which
388 * are created at driver initializations and freed at driver cleanup.
389 * Every command needs to obtain a command buffer from this pool before
390 * it can be issued. The command free queue lists the command buffers
391 * currently free to use, while the command pending queue lists the
392 * command buffers already in use and awaiting handling. Command buffers
393 * are returned to the free queue after use.
395 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter
*adapter
)
397 struct cmd_ctrl_node
*cmd_array
;
400 /* Allocate and initialize struct cmd_ctrl_node */
401 cmd_array
= kcalloc(MWIFIEX_NUM_OF_CMD_BUFFER
,
402 sizeof(struct cmd_ctrl_node
), GFP_KERNEL
);
406 adapter
->cmd_pool
= cmd_array
;
408 /* Allocate and initialize command buffers */
409 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
410 cmd_array
[i
].skb
= dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER
);
411 if (!cmd_array
[i
].skb
) {
412 mwifiex_dbg(adapter
, ERROR
,
413 "unable to allocate command buffer\n");
418 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++)
419 mwifiex_insert_cmd_to_free_q(adapter
, &cmd_array
[i
]);
425 * This function frees the command buffers.
427 * The function calls the completion callback for all the command
428 * buffers that still have response buffers associated with them.
430 int mwifiex_free_cmd_buffer(struct mwifiex_adapter
*adapter
)
432 struct cmd_ctrl_node
*cmd_array
;
435 /* Need to check if cmd pool is allocated or not */
436 if (!adapter
->cmd_pool
) {
437 mwifiex_dbg(adapter
, FATAL
,
438 "info: FREE_CMD_BUF: cmd_pool is null\n");
442 cmd_array
= adapter
->cmd_pool
;
444 /* Release shared memory buffers */
445 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
446 if (cmd_array
[i
].skb
) {
447 mwifiex_dbg(adapter
, CMD
,
448 "cmd: free cmd buffer %d\n", i
);
449 dev_kfree_skb_any(cmd_array
[i
].skb
);
451 if (!cmd_array
[i
].resp_skb
)
454 if (adapter
->iface_type
== MWIFIEX_USB
)
455 adapter
->if_ops
.cmdrsp_complete(adapter
,
456 cmd_array
[i
].resp_skb
);
458 dev_kfree_skb_any(cmd_array
[i
].resp_skb
);
460 /* Release struct cmd_ctrl_node */
461 if (adapter
->cmd_pool
) {
462 mwifiex_dbg(adapter
, CMD
,
463 "cmd: free cmd pool\n");
464 kfree(adapter
->cmd_pool
);
465 adapter
->cmd_pool
= NULL
;
472 * This function handles events generated by firmware.
474 * Event body of events received from firmware are not used (though they are
475 * saved), only the event ID is used. Some events are re-invoked by
476 * the driver, with a new event body.
478 * After processing, the function calls the completion callback
481 int mwifiex_process_event(struct mwifiex_adapter
*adapter
)
484 struct mwifiex_private
*priv
=
485 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
486 struct sk_buff
*skb
= adapter
->event_skb
;
488 struct mwifiex_rxinfo
*rx_info
;
490 if ((adapter
->event_cause
& EVENT_ID_MASK
) == EVENT_RADAR_DETECTED
) {
491 for (i
= 0; i
< adapter
->priv_num
; i
++) {
492 priv
= adapter
->priv
[i
];
493 if (priv
&& mwifiex_is_11h_active(priv
)) {
494 adapter
->event_cause
|=
495 ((priv
->bss_num
& 0xff) << 16) |
496 ((priv
->bss_type
& 0xff) << 24);
502 eventcause
= adapter
->event_cause
;
504 /* Save the last event to debug log */
505 adapter
->dbg
.last_event_index
=
506 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
507 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
510 /* Get BSS number and corresponding priv */
511 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
512 EVENT_GET_BSS_TYPE(eventcause
));
514 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
516 /* Clear BSS_NO_BITS from event */
517 eventcause
&= EVENT_ID_MASK
;
518 adapter
->event_cause
= eventcause
;
521 rx_info
= MWIFIEX_SKB_RXCB(skb
);
522 memset(rx_info
, 0, sizeof(*rx_info
));
523 rx_info
->bss_num
= priv
->bss_num
;
524 rx_info
->bss_type
= priv
->bss_type
;
525 mwifiex_dbg_dump(adapter
, EVT_D
, "Event Buf:",
526 skb
->data
, skb
->len
);
529 mwifiex_dbg(adapter
, EVENT
, "EVENT: cause: %#x\n", eventcause
);
531 if (priv
->bss_role
== MWIFIEX_BSS_ROLE_UAP
)
532 ret
= mwifiex_process_uap_event(priv
);
534 ret
= mwifiex_process_sta_event(priv
);
536 adapter
->event_cause
= 0;
537 adapter
->event_skb
= NULL
;
538 adapter
->if_ops
.event_complete(adapter
, skb
);
544 * This function prepares a command and send it to the firmware.
546 * Preparation includes -
547 * - Sanity tests to make sure the card is still present or the FW
549 * - Getting a new command node from the command free queue
550 * - Initializing the command node for default parameters
551 * - Fill up the non-default parameters and buffer pointers
552 * - Add the command to pending queue
554 int mwifiex_send_cmd(struct mwifiex_private
*priv
, u16 cmd_no
,
555 u16 cmd_action
, u32 cmd_oid
, void *data_buf
, bool sync
)
558 struct mwifiex_adapter
*adapter
= priv
->adapter
;
559 struct cmd_ctrl_node
*cmd_node
;
560 struct host_cmd_ds_command
*cmd_ptr
;
563 pr_err("PREP_CMD: adapter is NULL\n");
567 if (adapter
->is_suspended
) {
568 mwifiex_dbg(adapter
, ERROR
,
569 "PREP_CMD: device in suspended state\n");
573 if (adapter
->hs_enabling
&& cmd_no
!= HostCmd_CMD_802_11_HS_CFG_ENH
) {
574 mwifiex_dbg(adapter
, ERROR
,
575 "PREP_CMD: host entering sleep state\n");
579 if (adapter
->surprise_removed
) {
580 mwifiex_dbg(adapter
, ERROR
,
581 "PREP_CMD: card is removed\n");
585 if (adapter
->is_cmd_timedout
) {
586 mwifiex_dbg(adapter
, ERROR
,
587 "PREP_CMD: FW is in bad state\n");
591 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
592 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
593 mwifiex_dbg(adapter
, ERROR
,
594 "PREP_CMD: FW in reset state\n");
598 /* We don't expect commands in manufacturing mode. They are cooked
599 * in application and ready to download buffer is passed to the driver
601 if (adapter
->mfg_mode
&& cmd_no
) {
602 dev_dbg(adapter
->dev
, "Ignoring commands in manufacturing mode\n");
607 /* Get a new command node */
608 cmd_node
= mwifiex_get_cmd_node(adapter
);
611 mwifiex_dbg(adapter
, ERROR
,
612 "PREP_CMD: no free cmd node\n");
616 /* Initialize the command node */
617 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, data_buf
, sync
);
619 if (!cmd_node
->cmd_skb
) {
620 mwifiex_dbg(adapter
, ERROR
,
621 "PREP_CMD: no free cmd buf\n");
625 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
626 0, sizeof(struct host_cmd_ds_command
));
628 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
629 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
632 /* Prepare command */
635 case HostCmd_CMD_UAP_SYS_CONFIG
:
636 case HostCmd_CMD_UAP_BSS_START
:
637 case HostCmd_CMD_UAP_BSS_STOP
:
638 case HostCmd_CMD_UAP_STA_DEAUTH
:
639 case HOST_CMD_APCMD_SYS_RESET
:
640 case HOST_CMD_APCMD_STA_LIST
:
641 ret
= mwifiex_uap_prepare_cmd(priv
, cmd_no
, cmd_action
,
646 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
652 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
653 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
656 /* Return error, since the command preparation failed */
658 mwifiex_dbg(adapter
, ERROR
,
659 "PREP_CMD: cmd %#x preparation failed\n",
661 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
666 if (cmd_no
== HostCmd_CMD_802_11_SCAN
||
667 cmd_no
== HostCmd_CMD_802_11_SCAN_EXT
) {
668 mwifiex_queue_scan_cmd(priv
, cmd_node
);
670 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
671 queue_work(adapter
->workqueue
, &adapter
->main_work
);
672 if (cmd_node
->wait_q_enabled
)
673 ret
= mwifiex_wait_queue_complete(adapter
, cmd_node
);
680 * This function queues a command to the command pending queue.
682 * This in effect adds the command to the command list to be executed.
683 * Exit PS command is handled specially, by placing it always to the
684 * front of the command queue.
687 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
688 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
690 struct host_cmd_ds_command
*host_cmd
= NULL
;
694 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
696 mwifiex_dbg(adapter
, ERROR
, "QUEUE_CMD: host_cmd is NULL\n");
700 command
= le16_to_cpu(host_cmd
->command
);
702 /* Exit_PS command needs to be queued in the header always. */
703 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
704 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
705 &host_cmd
->params
.psmode_enh
;
706 if ((le16_to_cpu(pm
->action
) == DIS_PS
) ||
707 (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
708 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
713 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
715 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
717 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
718 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
720 atomic_inc(&adapter
->cmd_pending
);
721 mwifiex_dbg(adapter
, CMD
,
722 "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n",
723 command
, atomic_read(&adapter
->cmd_pending
));
727 * This function executes the next command in command pending queue.
729 * This function will fail if a command is already in processing stage,
730 * otherwise it will dequeue the first command from the command pending
731 * queue and send to the firmware.
733 * If the device is currently in host sleep mode, any commands, except the
734 * host sleep configuration command will de-activate the host sleep. For PS
735 * mode, the function will put the firmware back to sleep if applicable.
737 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
739 struct mwifiex_private
*priv
;
740 struct cmd_ctrl_node
*cmd_node
;
742 struct host_cmd_ds_command
*host_cmd
;
743 unsigned long cmd_flags
;
744 unsigned long cmd_pending_q_flags
;
746 /* Check if already in processing */
747 if (adapter
->curr_cmd
) {
748 mwifiex_dbg(adapter
, FATAL
,
749 "EXEC_NEXT_CMD: cmd in processing\n");
753 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
754 /* Check if any command is pending */
755 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
756 if (list_empty(&adapter
->cmd_pending_q
)) {
757 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
758 cmd_pending_q_flags
);
759 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
762 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
763 struct cmd_ctrl_node
, list
);
764 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
765 cmd_pending_q_flags
);
767 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
768 priv
= cmd_node
->priv
;
770 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
771 mwifiex_dbg(adapter
, ERROR
,
772 "%s: cannot send cmd in sleep state,\t"
773 "this should not happen\n", __func__
);
774 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
778 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
779 list_del(&cmd_node
->list
);
780 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
781 cmd_pending_q_flags
);
783 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
784 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
785 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
786 /* Any command sent to the firmware when host is in sleep
787 * mode should de-configure host sleep. We should skip the
788 * host sleep configuration command itself though
790 if (priv
&& (host_cmd
->command
!=
791 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
792 if (adapter
->hs_activated
) {
793 adapter
->is_hs_configured
= false;
794 mwifiex_hs_activated_event(priv
, false);
802 * This function handles the command response.
804 * After processing, the function cleans the command node and puts
805 * it back to the command free queue.
807 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
809 struct host_cmd_ds_command
*resp
;
810 struct mwifiex_private
*priv
=
811 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
813 uint16_t orig_cmdresp_no
;
815 uint16_t cmdresp_result
;
818 /* Now we got response from FW, cancel the command timer */
819 del_timer_sync(&adapter
->cmd_timer
);
821 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
822 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
823 mwifiex_dbg(adapter
, ERROR
,
824 "CMD_RESP: NULL curr_cmd, %#x\n",
825 le16_to_cpu(resp
->command
));
829 adapter
->is_cmd_timedout
= 0;
831 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
832 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
833 /* Copy original response back to response buffer */
834 struct mwifiex_ds_misc_cmd
*hostcmd
;
835 uint16_t size
= le16_to_cpu(resp
->size
);
836 mwifiex_dbg(adapter
, INFO
,
837 "info: host cmd resp size = %d\n", size
);
838 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
839 if (adapter
->curr_cmd
->data_buf
) {
840 hostcmd
= adapter
->curr_cmd
->data_buf
;
842 memcpy(hostcmd
->cmd
, resp
, size
);
845 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
847 /* Get BSS number and corresponding priv */
848 priv
= mwifiex_get_priv_by_id(adapter
,
849 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
850 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
852 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
853 /* Clear RET_BIT from HostCmd */
854 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
856 cmdresp_no
= le16_to_cpu(resp
->command
);
857 cmdresp_result
= le16_to_cpu(resp
->result
);
859 /* Save the last command response to debug log */
860 adapter
->dbg
.last_cmd_resp_index
=
861 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
862 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
865 mwifiex_dbg(adapter
, CMD
,
866 "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
867 orig_cmdresp_no
, cmdresp_result
,
868 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
869 mwifiex_dbg_dump(adapter
, CMD_D
, "CMD_RESP buffer:", resp
,
870 le16_to_cpu(resp
->size
));
872 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
873 mwifiex_dbg(adapter
, ERROR
, "CMD_RESP: invalid cmd resp\n");
874 if (adapter
->curr_cmd
->wait_q_enabled
)
875 adapter
->cmd_wait_q
.status
= -1;
877 mwifiex_recycle_cmd_node(adapter
, adapter
->curr_cmd
);
878 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
879 adapter
->curr_cmd
= NULL
;
880 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
884 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
885 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
886 if ((cmdresp_result
== HostCmd_RESULT_OK
) &&
887 (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
888 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
890 /* handle response */
891 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
);
894 /* Check init command response */
895 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
897 mwifiex_dbg(adapter
, ERROR
,
898 "%s: cmd %#x failed during\t"
899 "initialization\n", __func__
, cmdresp_no
);
900 mwifiex_init_fw_complete(adapter
);
902 } else if (adapter
->last_init_cmd
== cmdresp_no
)
903 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
906 if (adapter
->curr_cmd
) {
907 if (adapter
->curr_cmd
->wait_q_enabled
)
908 adapter
->cmd_wait_q
.status
= ret
;
910 mwifiex_recycle_cmd_node(adapter
, adapter
->curr_cmd
);
912 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
913 adapter
->curr_cmd
= NULL
;
914 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
921 * This function handles the timeout of command sending.
923 * It will re-send the same command again.
926 mwifiex_cmd_timeout_func(unsigned long function_context
)
928 struct mwifiex_adapter
*adapter
=
929 (struct mwifiex_adapter
*) function_context
;
930 struct cmd_ctrl_node
*cmd_node
;
932 adapter
->is_cmd_timedout
= 1;
933 if (!adapter
->curr_cmd
) {
934 mwifiex_dbg(adapter
, ERROR
,
935 "cmd: empty curr_cmd\n");
938 cmd_node
= adapter
->curr_cmd
;
940 adapter
->dbg
.timeout_cmd_id
=
941 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
942 adapter
->dbg
.timeout_cmd_act
=
943 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
944 mwifiex_dbg(adapter
, MSG
,
945 "%s: Timeout cmd id = %#x, act = %#x\n", __func__
,
946 adapter
->dbg
.timeout_cmd_id
,
947 adapter
->dbg
.timeout_cmd_act
);
949 mwifiex_dbg(adapter
, MSG
,
950 "num_data_h2c_failure = %d\n",
951 adapter
->dbg
.num_tx_host_to_card_failure
);
952 mwifiex_dbg(adapter
, MSG
,
953 "num_cmd_h2c_failure = %d\n",
954 adapter
->dbg
.num_cmd_host_to_card_failure
);
956 mwifiex_dbg(adapter
, MSG
,
957 "is_cmd_timedout = %d\n",
958 adapter
->is_cmd_timedout
);
959 mwifiex_dbg(adapter
, MSG
,
960 "num_tx_timeout = %d\n",
961 adapter
->dbg
.num_tx_timeout
);
963 mwifiex_dbg(adapter
, MSG
,
964 "last_cmd_index = %d\n",
965 adapter
->dbg
.last_cmd_index
);
966 mwifiex_dbg(adapter
, MSG
,
967 "last_cmd_id: %*ph\n",
968 (int)sizeof(adapter
->dbg
.last_cmd_id
),
969 adapter
->dbg
.last_cmd_id
);
970 mwifiex_dbg(adapter
, MSG
,
971 "last_cmd_act: %*ph\n",
972 (int)sizeof(adapter
->dbg
.last_cmd_act
),
973 adapter
->dbg
.last_cmd_act
);
975 mwifiex_dbg(adapter
, MSG
,
976 "last_cmd_resp_index = %d\n",
977 adapter
->dbg
.last_cmd_resp_index
);
978 mwifiex_dbg(adapter
, MSG
,
979 "last_cmd_resp_id: %*ph\n",
980 (int)sizeof(adapter
->dbg
.last_cmd_resp_id
),
981 adapter
->dbg
.last_cmd_resp_id
);
983 mwifiex_dbg(adapter
, MSG
,
984 "last_event_index = %d\n",
985 adapter
->dbg
.last_event_index
);
986 mwifiex_dbg(adapter
, MSG
,
987 "last_event: %*ph\n",
988 (int)sizeof(adapter
->dbg
.last_event
),
989 adapter
->dbg
.last_event
);
991 mwifiex_dbg(adapter
, MSG
,
992 "data_sent=%d cmd_sent=%d\n",
993 adapter
->data_sent
, adapter
->cmd_sent
);
995 mwifiex_dbg(adapter
, MSG
,
996 "ps_mode=%d ps_state=%d\n",
997 adapter
->ps_mode
, adapter
->ps_state
);
999 if (cmd_node
->wait_q_enabled
) {
1000 adapter
->cmd_wait_q
.status
= -ETIMEDOUT
;
1001 mwifiex_cancel_pending_ioctl(adapter
);
1004 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
1005 mwifiex_init_fw_complete(adapter
);
1009 if (adapter
->if_ops
.device_dump
)
1010 adapter
->if_ops
.device_dump(adapter
);
1012 if (adapter
->if_ops
.card_reset
)
1013 adapter
->if_ops
.card_reset(adapter
);
1017 mwifiex_cancel_pending_scan_cmd(struct mwifiex_adapter
*adapter
)
1019 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
1020 unsigned long flags
;
1022 /* Cancel all pending scan command */
1023 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
1024 list_for_each_entry_safe(cmd_node
, tmp_node
,
1025 &adapter
->scan_pending_q
, list
) {
1026 list_del(&cmd_node
->list
);
1027 cmd_node
->wait_q_enabled
= false;
1028 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1030 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
1034 * This function cancels all the pending commands.
1036 * The current command, all commands in command pending queue and all scan
1037 * commands in scan pending queue are cancelled. All the completion callbacks
1038 * are called with failure status to ensure cleanup.
1041 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
1043 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
1044 unsigned long flags
, cmd_flags
;
1046 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1047 /* Cancel current cmd */
1048 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wait_q_enabled
)) {
1049 adapter
->cmd_wait_q
.status
= -1;
1050 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
1051 adapter
->curr_cmd
->wait_q_enabled
= false;
1052 /* no recycle probably wait for response */
1054 /* Cancel all pending command */
1055 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
1056 list_for_each_entry_safe(cmd_node
, tmp_node
,
1057 &adapter
->cmd_pending_q
, list
) {
1058 list_del(&cmd_node
->list
);
1059 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
1061 if (cmd_node
->wait_q_enabled
)
1062 adapter
->cmd_wait_q
.status
= -1;
1063 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
1064 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
1066 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
1067 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1069 mwifiex_cancel_scan(adapter
);
1073 * This function cancels all pending commands that matches with
1074 * the given IOCTL request.
1076 * Both the current command buffer and the pending command queue are
1077 * searched for matching IOCTL request. The completion callback of
1078 * the matched command is called with failure status to ensure cleanup.
1079 * In case of scan commands, all pending commands in scan pending queue
1083 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
)
1085 struct cmd_ctrl_node
*cmd_node
= NULL
;
1086 unsigned long cmd_flags
;
1088 if ((adapter
->curr_cmd
) &&
1089 (adapter
->curr_cmd
->wait_q_enabled
)) {
1090 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1091 cmd_node
= adapter
->curr_cmd
;
1092 /* setting curr_cmd to NULL is quite dangerous, because
1093 * mwifiex_process_cmdresp checks curr_cmd to be != NULL
1094 * at the beginning then relies on it and dereferences
1096 * this probably works since mwifiex_cmd_timeout_func
1097 * is the only caller of this function and responses
1100 adapter
->curr_cmd
= NULL
;
1101 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1103 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
1106 mwifiex_cancel_scan(adapter
);
1110 * This function sends the sleep confirm command to firmware, if
1113 * The sleep confirm command cannot be issued if command response,
1114 * data response or event response is awaiting handling, or if we
1115 * are in the middle of sending a command, or expecting a command
1119 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
1121 if (!adapter
->cmd_sent
&&
1122 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
1123 mwifiex_dnld_sleep_confirm_cmd(adapter
);
1125 mwifiex_dbg(adapter
, CMD
,
1126 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1127 (adapter
->cmd_sent
) ? "D" : "",
1128 (adapter
->curr_cmd
) ? "C" : "",
1129 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1133 * This function sends a Host Sleep activated event to applications.
1135 * This event is generated by the driver, with a blank event body.
1138 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1141 if (priv
->adapter
->is_hs_configured
) {
1142 priv
->adapter
->hs_activated
= true;
1143 mwifiex_update_rxreor_flags(priv
->adapter
,
1144 RXREOR_FORCE_NO_DROP
);
1145 mwifiex_dbg(priv
->adapter
, EVENT
,
1146 "event: hs_activated\n");
1147 priv
->adapter
->hs_activate_wait_q_woken
= true;
1148 wake_up_interruptible(
1149 &priv
->adapter
->hs_activate_wait_q
);
1151 mwifiex_dbg(priv
->adapter
, EVENT
,
1152 "event: HS not configured\n");
1155 mwifiex_dbg(priv
->adapter
, EVENT
,
1156 "event: hs_deactivated\n");
1157 priv
->adapter
->hs_activated
= false;
1162 * This function handles the command response of a Host Sleep configuration
1165 * Handling includes changing the header fields into CPU format
1166 * and setting the current host sleep activation status in driver.
1168 * In case host sleep status change, the function generates an event to
1169 * notify the applications.
1171 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1172 struct host_cmd_ds_command
*resp
)
1174 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1175 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1176 &resp
->params
.opt_hs_cfg
;
1177 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1179 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
) &&
1180 adapter
->iface_type
!= MWIFIEX_USB
) {
1181 mwifiex_hs_activated_event(priv
, true);
1184 mwifiex_dbg(adapter
, CMD
,
1185 "cmd: CMD_RESP: HS_CFG cmd reply\t"
1186 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1187 resp
->result
, conditions
,
1188 phs_cfg
->params
.hs_config
.gpio
,
1189 phs_cfg
->params
.hs_config
.gap
);
1191 if (conditions
!= HS_CFG_CANCEL
) {
1192 adapter
->is_hs_configured
= true;
1193 if (adapter
->iface_type
== MWIFIEX_USB
)
1194 mwifiex_hs_activated_event(priv
, true);
1196 adapter
->is_hs_configured
= false;
1197 if (adapter
->hs_activated
)
1198 mwifiex_hs_activated_event(priv
, false);
1205 * This function wakes up the adapter and generates a Host Sleep
1206 * cancel event on receiving the power up interrupt.
1209 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1211 mwifiex_dbg(adapter
, INFO
,
1212 "info: %s: auto cancelling host sleep\t"
1213 "since there is interrupt from the firmware\n",
1216 adapter
->if_ops
.wakeup(adapter
);
1217 adapter
->hs_activated
= false;
1218 adapter
->is_hs_configured
= false;
1219 adapter
->is_suspended
= false;
1220 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1221 MWIFIEX_BSS_ROLE_ANY
),
1224 EXPORT_SYMBOL_GPL(mwifiex_process_hs_config
);
1227 * This function handles the command response of a sleep confirm command.
1229 * The function sets the card state to SLEEP if the response indicates success.
1232 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1233 u8
*pbuf
, u32 upld_len
)
1235 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1236 struct mwifiex_private
*priv
=
1237 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1238 uint16_t result
= le16_to_cpu(cmd
->result
);
1239 uint16_t command
= le16_to_cpu(cmd
->command
);
1240 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1243 mwifiex_dbg(adapter
, ERROR
,
1244 "%s: cmd size is 0\n", __func__
);
1248 mwifiex_dbg(adapter
, CMD
,
1249 "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
1250 command
, result
, le16_to_cpu(cmd
->size
), seq_num
);
1252 /* Get BSS number and corresponding priv */
1253 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1254 HostCmd_GET_BSS_TYPE(seq_num
));
1256 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1258 /* Update sequence number */
1259 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1260 /* Clear RET_BIT from HostCmd */
1261 command
&= HostCmd_CMD_ID_MASK
;
1263 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1264 mwifiex_dbg(adapter
, ERROR
,
1265 "%s: rcvd unexpected resp for cmd %#x, result = %x\n",
1266 __func__
, command
, result
);
1271 mwifiex_dbg(adapter
, ERROR
,
1272 "%s: sleep confirm cmd failed\n",
1274 adapter
->pm_wakeup_card_req
= false;
1275 adapter
->ps_state
= PS_STATE_AWAKE
;
1278 adapter
->pm_wakeup_card_req
= true;
1279 if (adapter
->is_hs_configured
)
1280 mwifiex_hs_activated_event(mwifiex_get_priv
1281 (adapter
, MWIFIEX_BSS_ROLE_ANY
),
1283 adapter
->ps_state
= PS_STATE_SLEEP
;
1284 cmd
->command
= cpu_to_le16(command
);
1285 cmd
->seq_num
= cpu_to_le16(seq_num
);
1287 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1290 * This function prepares an enhanced power mode command.
1292 * This function can be used to disable power save or to configure
1293 * power save with auto PS or STA PS or auto deep sleep.
1295 * Preparation includes -
1296 * - Setting command ID, action and proper size
1297 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1298 * auto deep sleep TLV (as required)
1299 * - Ensuring correct endian-ness
1301 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1302 struct host_cmd_ds_command
*cmd
,
1303 u16 cmd_action
, uint16_t ps_bitmap
,
1304 struct mwifiex_ds_auto_ds
*auto_ds
)
1306 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1307 &cmd
->params
.psmode_enh
;
1311 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1312 if (cmd_action
== DIS_AUTO_PS
) {
1313 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1314 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1315 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1316 sizeof(psmode_enh
->params
.ps_bitmap
));
1317 } else if (cmd_action
== GET_PS
) {
1318 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1319 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1320 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1321 sizeof(psmode_enh
->params
.ps_bitmap
));
1322 } else if (cmd_action
== EN_AUTO_PS
) {
1323 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1324 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1325 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1326 sizeof(psmode_enh
->params
.ps_bitmap
);
1327 tlv
= (u8
*) cmd
+ cmd_size
;
1328 if (ps_bitmap
& BITMAP_STA_PS
) {
1329 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1330 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1331 (struct mwifiex_ie_types_ps_param
*) tlv
;
1332 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1333 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1334 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1335 sizeof(struct mwifiex_ie_types_header
));
1336 cmd_size
+= sizeof(*ps_tlv
);
1337 tlv
+= sizeof(*ps_tlv
);
1338 mwifiex_dbg(priv
->adapter
, CMD
,
1339 "cmd: PS Command: Enter PS\n");
1340 ps_mode
->null_pkt_interval
=
1341 cpu_to_le16(adapter
->null_pkt_interval
);
1342 ps_mode
->multiple_dtims
=
1343 cpu_to_le16(adapter
->multiple_dtim
);
1344 ps_mode
->bcn_miss_timeout
=
1345 cpu_to_le16(adapter
->bcn_miss_time_out
);
1346 ps_mode
->local_listen_interval
=
1347 cpu_to_le16(adapter
->local_listen_interval
);
1348 ps_mode
->adhoc_wake_period
=
1349 cpu_to_le16(adapter
->adhoc_awake_period
);
1350 ps_mode
->delay_to_ps
=
1351 cpu_to_le16(adapter
->delay_to_ps
);
1352 ps_mode
->mode
= cpu_to_le16(adapter
->enhanced_ps_mode
);
1355 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1356 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1357 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1360 auto_ds_tlv
->header
.type
=
1361 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1362 auto_ds_tlv
->header
.len
=
1363 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1364 sizeof(struct mwifiex_ie_types_header
));
1365 cmd_size
+= sizeof(*auto_ds_tlv
);
1366 tlv
+= sizeof(*auto_ds_tlv
);
1368 idletime
= auto_ds
->idle_time
;
1369 mwifiex_dbg(priv
->adapter
, CMD
,
1370 "cmd: PS Command: Enter Auto Deep Sleep\n");
1371 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1373 cmd
->size
= cpu_to_le16(cmd_size
);
1379 * This function handles the command response of an enhanced power mode
1382 * Handling includes changing the header fields into CPU format
1383 * and setting the current enhanced power mode in driver.
1385 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1386 struct host_cmd_ds_command
*resp
,
1387 struct mwifiex_ds_pm_cfg
*pm_cfg
)
1389 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1390 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1391 &resp
->params
.psmode_enh
;
1392 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1393 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1394 uint16_t auto_ps_bitmap
=
1395 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1397 mwifiex_dbg(adapter
, INFO
,
1398 "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1399 __func__
, resp
->result
, action
);
1400 if (action
== EN_AUTO_PS
) {
1401 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1402 mwifiex_dbg(adapter
, CMD
,
1403 "cmd: Enabled auto deep sleep\n");
1404 priv
->adapter
->is_deep_sleep
= true;
1406 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1407 mwifiex_dbg(adapter
, CMD
,
1408 "cmd: Enabled STA power save\n");
1409 if (adapter
->sleep_period
.period
)
1410 mwifiex_dbg(adapter
, CMD
,
1411 "cmd: set to uapsd/pps mode\n");
1413 } else if (action
== DIS_AUTO_PS
) {
1414 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1415 priv
->adapter
->is_deep_sleep
= false;
1416 mwifiex_dbg(adapter
, CMD
,
1417 "cmd: Disabled auto deep sleep\n");
1419 if (ps_bitmap
& BITMAP_STA_PS
) {
1420 mwifiex_dbg(adapter
, CMD
,
1421 "cmd: Disabled STA power save\n");
1422 if (adapter
->sleep_period
.period
) {
1423 adapter
->delay_null_pkt
= false;
1424 adapter
->tx_lock_flag
= false;
1425 adapter
->pps_uapsd_mode
= false;
1428 } else if (action
== GET_PS
) {
1429 if (ps_bitmap
& BITMAP_STA_PS
)
1430 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1432 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1434 mwifiex_dbg(adapter
, CMD
,
1435 "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1438 /* This section is for get power save mode */
1439 if (ps_bitmap
& BITMAP_STA_PS
)
1440 pm_cfg
->param
.ps_mode
= 1;
1442 pm_cfg
->param
.ps_mode
= 0;
1449 * This function prepares command to get hardware specifications.
1451 * Preparation includes -
1452 * - Setting command ID, action and proper size
1453 * - Setting permanent address parameter
1454 * - Ensuring correct endian-ness
1456 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1457 struct host_cmd_ds_command
*cmd
)
1459 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1461 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1463 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1464 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1470 * This function handles the command response of get hardware
1473 * Handling includes changing the header fields into CPU format
1474 * and saving/updating the following parameters in driver -
1475 * - Firmware capability information
1476 * - Firmware band settings
1477 * - Ad-hoc start band and channel
1478 * - Ad-hoc 11n activation status
1479 * - Firmware release number
1480 * - Number of antennas
1481 * - Hardware address
1482 * - Hardware interface version
1483 * - Firmware version
1485 * - 11n capabilities
1486 * - MCS support fields
1489 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1490 struct host_cmd_ds_command
*resp
)
1492 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1493 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1494 struct mwifiex_ie_types_header
*tlv
;
1495 struct hw_spec_api_rev
*api_rev
;
1496 u16 resp_size
, api_id
;
1497 int i
, left_len
, parsed_len
= 0;
1499 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1501 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1502 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1504 adapter
->fw_bands
= BAND_B
;
1506 adapter
->config_bands
= adapter
->fw_bands
;
1508 if (adapter
->fw_bands
& BAND_A
) {
1509 if (adapter
->fw_bands
& BAND_GN
) {
1510 adapter
->config_bands
|= BAND_AN
;
1511 adapter
->fw_bands
|= BAND_AN
;
1513 if (adapter
->fw_bands
& BAND_AN
) {
1514 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1515 adapter
->adhoc_11n_enabled
= true;
1517 adapter
->adhoc_start_band
= BAND_A
;
1519 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1520 } else if (adapter
->fw_bands
& BAND_GN
) {
1521 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1522 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1523 adapter
->adhoc_11n_enabled
= true;
1524 } else if (adapter
->fw_bands
& BAND_G
) {
1525 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1526 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1527 } else if (adapter
->fw_bands
& BAND_B
) {
1528 adapter
->adhoc_start_band
= BAND_B
;
1529 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1532 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1533 adapter
->fw_api_ver
= (adapter
->fw_release_number
>> 16) & 0xff;
1534 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1536 if (le32_to_cpu(hw_spec
->dot_11ac_dev_cap
)) {
1537 adapter
->is_hw_11ac_capable
= true;
1540 adapter
->hw_dot_11ac_dev_cap
=
1541 le32_to_cpu(hw_spec
->dot_11ac_dev_cap
);
1542 adapter
->usr_dot_11ac_dev_cap_bg
= adapter
->hw_dot_11ac_dev_cap
1543 & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK
;
1544 adapter
->usr_dot_11ac_dev_cap_a
= adapter
->hw_dot_11ac_dev_cap
1545 & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK
;
1548 adapter
->hw_dot_11ac_mcs_support
=
1549 le32_to_cpu(hw_spec
->dot_11ac_mcs_support
);
1550 adapter
->usr_dot_11ac_mcs_support
=
1551 adapter
->hw_dot_11ac_mcs_support
;
1553 adapter
->is_hw_11ac_capable
= false;
1556 resp_size
= le16_to_cpu(resp
->size
) - S_DS_GEN
;
1557 if (resp_size
> sizeof(struct host_cmd_ds_get_hw_spec
)) {
1558 /* we have variable HW SPEC information */
1559 left_len
= resp_size
- sizeof(struct host_cmd_ds_get_hw_spec
);
1560 while (left_len
> sizeof(struct mwifiex_ie_types_header
)) {
1561 tlv
= (void *)&hw_spec
->tlvs
+ parsed_len
;
1562 switch (le16_to_cpu(tlv
->type
)) {
1563 case TLV_TYPE_API_REV
:
1564 api_rev
= (struct hw_spec_api_rev
*)tlv
;
1565 api_id
= le16_to_cpu(api_rev
->api_id
);
1567 case KEY_API_VER_ID
:
1568 adapter
->key_api_major_ver
=
1570 adapter
->key_api_minor_ver
=
1572 mwifiex_dbg(adapter
, INFO
,
1574 adapter
->key_api_major_ver
,
1575 adapter
->key_api_minor_ver
);
1578 adapter
->fw_api_ver
=
1580 mwifiex_dbg(adapter
, INFO
,
1581 "Firmware api version %d\n",
1582 adapter
->fw_api_ver
);
1585 mwifiex_dbg(adapter
, FATAL
,
1586 "Unknown api_id: %d\n",
1592 mwifiex_dbg(adapter
, FATAL
,
1593 "Unknown GET_HW_SPEC TLV type: %#x\n",
1594 le16_to_cpu(tlv
->type
));
1597 parsed_len
+= le16_to_cpu(tlv
->len
) +
1598 sizeof(struct mwifiex_ie_types_header
);
1599 left_len
-= le16_to_cpu(tlv
->len
) +
1600 sizeof(struct mwifiex_ie_types_header
);
1604 mwifiex_dbg(adapter
, INFO
,
1605 "info: GET_HW_SPEC: fw_release_number- %#x\n",
1606 adapter
->fw_release_number
);
1607 mwifiex_dbg(adapter
, INFO
,
1608 "info: GET_HW_SPEC: permanent addr: %pM\n",
1609 hw_spec
->permanent_addr
);
1610 mwifiex_dbg(adapter
, INFO
,
1611 "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1612 le16_to_cpu(hw_spec
->hw_if_version
),
1613 le16_to_cpu(hw_spec
->version
));
1615 ether_addr_copy(priv
->adapter
->perm_addr
, hw_spec
->permanent_addr
);
1616 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1618 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1619 /* Use the region code to search for the index */
1620 if (adapter
->region_code
== region_code_index
[i
])
1623 /* If it's unidentified region code, use the default (world) */
1624 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1625 adapter
->region_code
= 0x00;
1626 mwifiex_dbg(adapter
, WARN
,
1627 "cmd: unknown region code, use default (USA)\n");
1630 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1631 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1632 adapter
->user_dev_mcs_support
= adapter
->hw_dev_mcs_support
;
1634 if (adapter
->if_ops
.update_mp_end_port
)
1635 adapter
->if_ops
.update_mp_end_port(adapter
,
1636 le16_to_cpu(hw_spec
->mp_end_port
));
1638 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
)
1639 adapter
->scan_chan_gap_enabled
= true;
1644 /* This function handles the command response of hs wakeup reason
1647 int mwifiex_ret_wakeup_reason(struct mwifiex_private
*priv
,
1648 struct host_cmd_ds_command
*resp
,
1649 struct host_cmd_ds_wakeup_reason
*wakeup_reason
)
1651 wakeup_reason
->wakeup_reason
=
1652 resp
->params
.hs_wakeup_reason
.wakeup_reason
;