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
;
487 u32 eventcause
= adapter
->event_cause
;
488 struct mwifiex_rxinfo
*rx_info
;
490 /* Save the last event to debug log */
491 adapter
->dbg
.last_event_index
=
492 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
493 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
496 /* Get BSS number and corresponding priv */
497 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
498 EVENT_GET_BSS_TYPE(eventcause
));
500 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
502 /* Clear BSS_NO_BITS from event */
503 eventcause
&= EVENT_ID_MASK
;
504 adapter
->event_cause
= eventcause
;
507 rx_info
= MWIFIEX_SKB_RXCB(skb
);
508 memset(rx_info
, 0, sizeof(*rx_info
));
509 rx_info
->bss_num
= priv
->bss_num
;
510 rx_info
->bss_type
= priv
->bss_type
;
511 mwifiex_dbg_dump(adapter
, EVT_D
, "Event Buf:",
512 skb
->data
, skb
->len
);
515 mwifiex_dbg(adapter
, EVENT
, "EVENT: cause: %#x\n", eventcause
);
517 if (priv
->bss_role
== MWIFIEX_BSS_ROLE_UAP
)
518 ret
= mwifiex_process_uap_event(priv
);
520 ret
= mwifiex_process_sta_event(priv
);
522 adapter
->event_cause
= 0;
523 adapter
->event_skb
= NULL
;
524 adapter
->if_ops
.event_complete(adapter
, skb
);
530 * This function prepares a command and send it to the firmware.
532 * Preparation includes -
533 * - Sanity tests to make sure the card is still present or the FW
535 * - Getting a new command node from the command free queue
536 * - Initializing the command node for default parameters
537 * - Fill up the non-default parameters and buffer pointers
538 * - Add the command to pending queue
540 int mwifiex_send_cmd(struct mwifiex_private
*priv
, u16 cmd_no
,
541 u16 cmd_action
, u32 cmd_oid
, void *data_buf
, bool sync
)
544 struct mwifiex_adapter
*adapter
= priv
->adapter
;
545 struct cmd_ctrl_node
*cmd_node
;
546 struct host_cmd_ds_command
*cmd_ptr
;
549 pr_err("PREP_CMD: adapter is NULL\n");
553 if (adapter
->is_suspended
) {
554 mwifiex_dbg(adapter
, ERROR
,
555 "PREP_CMD: device in suspended state\n");
559 if (adapter
->hs_enabling
&& cmd_no
!= HostCmd_CMD_802_11_HS_CFG_ENH
) {
560 mwifiex_dbg(adapter
, ERROR
,
561 "PREP_CMD: host entering sleep state\n");
565 if (adapter
->surprise_removed
) {
566 mwifiex_dbg(adapter
, ERROR
,
567 "PREP_CMD: card is removed\n");
571 if (adapter
->is_cmd_timedout
) {
572 mwifiex_dbg(adapter
, ERROR
,
573 "PREP_CMD: FW is in bad state\n");
577 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
578 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
579 mwifiex_dbg(adapter
, ERROR
,
580 "PREP_CMD: FW in reset state\n");
585 /* Get a new command node */
586 cmd_node
= mwifiex_get_cmd_node(adapter
);
589 mwifiex_dbg(adapter
, ERROR
,
590 "PREP_CMD: no free cmd node\n");
594 /* Initialize the command node */
595 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, data_buf
, sync
);
597 if (!cmd_node
->cmd_skb
) {
598 mwifiex_dbg(adapter
, ERROR
,
599 "PREP_CMD: no free cmd buf\n");
603 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
604 0, sizeof(struct host_cmd_ds_command
));
606 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
607 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
610 /* Prepare command */
613 case HostCmd_CMD_UAP_SYS_CONFIG
:
614 case HostCmd_CMD_UAP_BSS_START
:
615 case HostCmd_CMD_UAP_BSS_STOP
:
616 case HostCmd_CMD_UAP_STA_DEAUTH
:
617 case HOST_CMD_APCMD_SYS_RESET
:
618 case HOST_CMD_APCMD_STA_LIST
:
619 ret
= mwifiex_uap_prepare_cmd(priv
, cmd_no
, cmd_action
,
624 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
630 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
631 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
634 /* Return error, since the command preparation failed */
636 mwifiex_dbg(adapter
, ERROR
,
637 "PREP_CMD: cmd %#x preparation failed\n",
639 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
644 if (cmd_no
== HostCmd_CMD_802_11_SCAN
||
645 cmd_no
== HostCmd_CMD_802_11_SCAN_EXT
) {
646 mwifiex_queue_scan_cmd(priv
, cmd_node
);
648 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
649 queue_work(adapter
->workqueue
, &adapter
->main_work
);
650 if (cmd_node
->wait_q_enabled
)
651 ret
= mwifiex_wait_queue_complete(adapter
, cmd_node
);
658 * This function queues a command to the command pending queue.
660 * This in effect adds the command to the command list to be executed.
661 * Exit PS command is handled specially, by placing it always to the
662 * front of the command queue.
665 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
666 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
668 struct host_cmd_ds_command
*host_cmd
= NULL
;
672 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
674 mwifiex_dbg(adapter
, ERROR
, "QUEUE_CMD: host_cmd is NULL\n");
678 command
= le16_to_cpu(host_cmd
->command
);
680 /* Exit_PS command needs to be queued in the header always. */
681 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
682 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
683 &host_cmd
->params
.psmode_enh
;
684 if ((le16_to_cpu(pm
->action
) == DIS_PS
) ||
685 (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
686 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
691 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
693 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
695 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
696 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
698 atomic_inc(&adapter
->cmd_pending
);
699 mwifiex_dbg(adapter
, CMD
,
700 "cmd: QUEUE_CMD: cmd=%#x, cmd_pending=%d\n",
701 command
, atomic_read(&adapter
->cmd_pending
));
705 * This function executes the next command in command pending queue.
707 * This function will fail if a command is already in processing stage,
708 * otherwise it will dequeue the first command from the command pending
709 * queue and send to the firmware.
711 * If the device is currently in host sleep mode, any commands, except the
712 * host sleep configuration command will de-activate the host sleep. For PS
713 * mode, the function will put the firmware back to sleep if applicable.
715 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
717 struct mwifiex_private
*priv
;
718 struct cmd_ctrl_node
*cmd_node
;
720 struct host_cmd_ds_command
*host_cmd
;
721 unsigned long cmd_flags
;
722 unsigned long cmd_pending_q_flags
;
724 /* Check if already in processing */
725 if (adapter
->curr_cmd
) {
726 mwifiex_dbg(adapter
, FATAL
,
727 "EXEC_NEXT_CMD: cmd in processing\n");
731 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
732 /* Check if any command is pending */
733 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
734 if (list_empty(&adapter
->cmd_pending_q
)) {
735 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
736 cmd_pending_q_flags
);
737 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
740 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
741 struct cmd_ctrl_node
, list
);
742 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
743 cmd_pending_q_flags
);
745 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
746 priv
= cmd_node
->priv
;
748 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
749 mwifiex_dbg(adapter
, ERROR
,
750 "%s: cannot send cmd in sleep state,\t"
751 "this should not happen\n", __func__
);
752 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
756 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
757 list_del(&cmd_node
->list
);
758 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
759 cmd_pending_q_flags
);
761 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
762 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
763 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
764 /* Any command sent to the firmware when host is in sleep
765 * mode should de-configure host sleep. We should skip the
766 * host sleep configuration command itself though
768 if (priv
&& (host_cmd
->command
!=
769 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
770 if (adapter
->hs_activated
) {
771 adapter
->is_hs_configured
= false;
772 mwifiex_hs_activated_event(priv
, false);
780 * This function handles the command response.
782 * After processing, the function cleans the command node and puts
783 * it back to the command free queue.
785 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
787 struct host_cmd_ds_command
*resp
;
788 struct mwifiex_private
*priv
=
789 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
791 uint16_t orig_cmdresp_no
;
793 uint16_t cmdresp_result
;
796 /* Now we got response from FW, cancel the command timer */
797 del_timer_sync(&adapter
->cmd_timer
);
799 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
800 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
801 mwifiex_dbg(adapter
, ERROR
,
802 "CMD_RESP: NULL curr_cmd, %#x\n",
803 le16_to_cpu(resp
->command
));
807 adapter
->is_cmd_timedout
= 0;
809 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
810 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
811 /* Copy original response back to response buffer */
812 struct mwifiex_ds_misc_cmd
*hostcmd
;
813 uint16_t size
= le16_to_cpu(resp
->size
);
814 mwifiex_dbg(adapter
, INFO
,
815 "info: host cmd resp size = %d\n", size
);
816 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
817 if (adapter
->curr_cmd
->data_buf
) {
818 hostcmd
= adapter
->curr_cmd
->data_buf
;
820 memcpy(hostcmd
->cmd
, resp
, size
);
823 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
825 /* Get BSS number and corresponding priv */
826 priv
= mwifiex_get_priv_by_id(adapter
,
827 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
828 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
830 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
831 /* Clear RET_BIT from HostCmd */
832 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
834 cmdresp_no
= le16_to_cpu(resp
->command
);
835 cmdresp_result
= le16_to_cpu(resp
->result
);
837 /* Save the last command response to debug log */
838 adapter
->dbg
.last_cmd_resp_index
=
839 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
840 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
843 mwifiex_dbg(adapter
, CMD
,
844 "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
845 orig_cmdresp_no
, cmdresp_result
,
846 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
847 mwifiex_dbg_dump(adapter
, CMD_D
, "CMD_RESP buffer:", resp
,
848 le16_to_cpu(resp
->size
));
850 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
851 mwifiex_dbg(adapter
, ERROR
, "CMD_RESP: invalid cmd resp\n");
852 if (adapter
->curr_cmd
->wait_q_enabled
)
853 adapter
->cmd_wait_q
.status
= -1;
855 mwifiex_recycle_cmd_node(adapter
, adapter
->curr_cmd
);
856 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
857 adapter
->curr_cmd
= NULL
;
858 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
862 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
863 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
864 if ((cmdresp_result
== HostCmd_RESULT_OK
) &&
865 (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
866 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
868 /* handle response */
869 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
);
872 /* Check init command response */
873 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
875 mwifiex_dbg(adapter
, ERROR
,
876 "%s: cmd %#x failed during\t"
877 "initialization\n", __func__
, cmdresp_no
);
878 mwifiex_init_fw_complete(adapter
);
880 } else if (adapter
->last_init_cmd
== cmdresp_no
)
881 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
884 if (adapter
->curr_cmd
) {
885 if (adapter
->curr_cmd
->wait_q_enabled
)
886 adapter
->cmd_wait_q
.status
= ret
;
888 mwifiex_recycle_cmd_node(adapter
, adapter
->curr_cmd
);
890 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
891 adapter
->curr_cmd
= NULL
;
892 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
899 * This function handles the timeout of command sending.
901 * It will re-send the same command again.
904 mwifiex_cmd_timeout_func(unsigned long function_context
)
906 struct mwifiex_adapter
*adapter
=
907 (struct mwifiex_adapter
*) function_context
;
908 struct cmd_ctrl_node
*cmd_node
;
910 adapter
->is_cmd_timedout
= 1;
911 if (!adapter
->curr_cmd
) {
912 mwifiex_dbg(adapter
, ERROR
,
913 "cmd: empty curr_cmd\n");
916 cmd_node
= adapter
->curr_cmd
;
918 adapter
->dbg
.timeout_cmd_id
=
919 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
920 adapter
->dbg
.timeout_cmd_act
=
921 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
922 mwifiex_dbg(adapter
, MSG
,
923 "%s: Timeout cmd id = %#x, act = %#x\n", __func__
,
924 adapter
->dbg
.timeout_cmd_id
,
925 adapter
->dbg
.timeout_cmd_act
);
927 mwifiex_dbg(adapter
, MSG
,
928 "num_data_h2c_failure = %d\n",
929 adapter
->dbg
.num_tx_host_to_card_failure
);
930 mwifiex_dbg(adapter
, MSG
,
931 "num_cmd_h2c_failure = %d\n",
932 adapter
->dbg
.num_cmd_host_to_card_failure
);
934 mwifiex_dbg(adapter
, MSG
,
935 "is_cmd_timedout = %d\n",
936 adapter
->is_cmd_timedout
);
937 mwifiex_dbg(adapter
, MSG
,
938 "num_tx_timeout = %d\n",
939 adapter
->dbg
.num_tx_timeout
);
941 mwifiex_dbg(adapter
, MSG
,
942 "last_cmd_index = %d\n",
943 adapter
->dbg
.last_cmd_index
);
944 mwifiex_dbg(adapter
, MSG
,
945 "last_cmd_id: %*ph\n",
946 (int)sizeof(adapter
->dbg
.last_cmd_id
),
947 adapter
->dbg
.last_cmd_id
);
948 mwifiex_dbg(adapter
, MSG
,
949 "last_cmd_act: %*ph\n",
950 (int)sizeof(adapter
->dbg
.last_cmd_act
),
951 adapter
->dbg
.last_cmd_act
);
953 mwifiex_dbg(adapter
, MSG
,
954 "last_cmd_resp_index = %d\n",
955 adapter
->dbg
.last_cmd_resp_index
);
956 mwifiex_dbg(adapter
, MSG
,
957 "last_cmd_resp_id: %*ph\n",
958 (int)sizeof(adapter
->dbg
.last_cmd_resp_id
),
959 adapter
->dbg
.last_cmd_resp_id
);
961 mwifiex_dbg(adapter
, MSG
,
962 "last_event_index = %d\n",
963 adapter
->dbg
.last_event_index
);
964 mwifiex_dbg(adapter
, MSG
,
965 "last_event: %*ph\n",
966 (int)sizeof(adapter
->dbg
.last_event
),
967 adapter
->dbg
.last_event
);
969 mwifiex_dbg(adapter
, MSG
,
970 "data_sent=%d cmd_sent=%d\n",
971 adapter
->data_sent
, adapter
->cmd_sent
);
973 mwifiex_dbg(adapter
, MSG
,
974 "ps_mode=%d ps_state=%d\n",
975 adapter
->ps_mode
, adapter
->ps_state
);
977 if (cmd_node
->wait_q_enabled
) {
978 adapter
->cmd_wait_q
.status
= -ETIMEDOUT
;
979 mwifiex_cancel_pending_ioctl(adapter
);
982 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
983 mwifiex_init_fw_complete(adapter
);
987 if (adapter
->if_ops
.device_dump
)
988 adapter
->if_ops
.device_dump(adapter
);
990 if (adapter
->if_ops
.card_reset
)
991 adapter
->if_ops
.card_reset(adapter
);
995 mwifiex_cancel_pending_scan_cmd(struct mwifiex_adapter
*adapter
)
997 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
1000 /* Cancel all pending scan command */
1001 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
1002 list_for_each_entry_safe(cmd_node
, tmp_node
,
1003 &adapter
->scan_pending_q
, list
) {
1004 list_del(&cmd_node
->list
);
1005 cmd_node
->wait_q_enabled
= false;
1006 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
1008 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
1012 * This function cancels all the pending commands.
1014 * The current command, all commands in command pending queue and all scan
1015 * commands in scan pending queue are cancelled. All the completion callbacks
1016 * are called with failure status to ensure cleanup.
1019 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
1021 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
1022 unsigned long flags
, cmd_flags
;
1023 struct mwifiex_private
*priv
;
1026 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1027 /* Cancel current cmd */
1028 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wait_q_enabled
)) {
1029 adapter
->cmd_wait_q
.status
= -1;
1030 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
1031 adapter
->curr_cmd
->wait_q_enabled
= false;
1032 /* no recycle probably wait for response */
1034 /* Cancel all pending command */
1035 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
1036 list_for_each_entry_safe(cmd_node
, tmp_node
,
1037 &adapter
->cmd_pending_q
, list
) {
1038 list_del(&cmd_node
->list
);
1039 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
1041 if (cmd_node
->wait_q_enabled
)
1042 adapter
->cmd_wait_q
.status
= -1;
1043 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
1044 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
1046 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
1047 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1049 mwifiex_cancel_pending_scan_cmd(adapter
);
1051 if (adapter
->scan_processing
) {
1052 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1053 adapter
->scan_processing
= false;
1054 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1055 for (i
= 0; i
< adapter
->priv_num
; i
++) {
1056 priv
= adapter
->priv
[i
];
1059 if (priv
->scan_request
) {
1060 mwifiex_dbg(adapter
, WARN
, "info: aborting scan\n");
1061 cfg80211_scan_done(priv
->scan_request
, 1);
1062 priv
->scan_request
= NULL
;
1069 * This function cancels all pending commands that matches with
1070 * the given IOCTL request.
1072 * Both the current command buffer and the pending command queue are
1073 * searched for matching IOCTL request. The completion callback of
1074 * the matched command is called with failure status to ensure cleanup.
1075 * In case of scan commands, all pending commands in scan pending queue
1079 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
)
1081 struct cmd_ctrl_node
*cmd_node
= NULL
;
1082 unsigned long cmd_flags
;
1083 struct mwifiex_private
*priv
;
1086 if ((adapter
->curr_cmd
) &&
1087 (adapter
->curr_cmd
->wait_q_enabled
)) {
1088 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1089 cmd_node
= adapter
->curr_cmd
;
1090 /* setting curr_cmd to NULL is quite dangerous, because
1091 * mwifiex_process_cmdresp checks curr_cmd to be != NULL
1092 * at the beginning then relies on it and dereferences
1094 * this probably works since mwifiex_cmd_timeout_func
1095 * is the only caller of this function and responses
1098 adapter
->curr_cmd
= NULL
;
1099 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1101 mwifiex_recycle_cmd_node(adapter
, cmd_node
);
1104 mwifiex_cancel_pending_scan_cmd(adapter
);
1106 if (adapter
->scan_processing
) {
1107 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1108 adapter
->scan_processing
= false;
1109 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
1110 for (i
= 0; i
< adapter
->priv_num
; i
++) {
1111 priv
= adapter
->priv
[i
];
1114 if (priv
->scan_request
) {
1115 mwifiex_dbg(adapter
, WARN
, "info: aborting scan\n");
1116 cfg80211_scan_done(priv
->scan_request
, 1);
1117 priv
->scan_request
= NULL
;
1124 * This function sends the sleep confirm command to firmware, if
1127 * The sleep confirm command cannot be issued if command response,
1128 * data response or event response is awaiting handling, or if we
1129 * are in the middle of sending a command, or expecting a command
1133 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
1135 if (!adapter
->cmd_sent
&&
1136 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
1137 mwifiex_dnld_sleep_confirm_cmd(adapter
);
1139 mwifiex_dbg(adapter
, CMD
,
1140 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1141 (adapter
->cmd_sent
) ? "D" : "",
1142 (adapter
->curr_cmd
) ? "C" : "",
1143 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1147 * This function sends a Host Sleep activated event to applications.
1149 * This event is generated by the driver, with a blank event body.
1152 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1155 if (priv
->adapter
->is_hs_configured
) {
1156 priv
->adapter
->hs_activated
= true;
1157 mwifiex_update_rxreor_flags(priv
->adapter
,
1158 RXREOR_FORCE_NO_DROP
);
1159 mwifiex_dbg(priv
->adapter
, EVENT
,
1160 "event: hs_activated\n");
1161 priv
->adapter
->hs_activate_wait_q_woken
= true;
1162 wake_up_interruptible(
1163 &priv
->adapter
->hs_activate_wait_q
);
1165 mwifiex_dbg(priv
->adapter
, EVENT
,
1166 "event: HS not configured\n");
1169 mwifiex_dbg(priv
->adapter
, EVENT
,
1170 "event: hs_deactivated\n");
1171 priv
->adapter
->hs_activated
= false;
1176 * This function handles the command response of a Host Sleep configuration
1179 * Handling includes changing the header fields into CPU format
1180 * and setting the current host sleep activation status in driver.
1182 * In case host sleep status change, the function generates an event to
1183 * notify the applications.
1185 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1186 struct host_cmd_ds_command
*resp
)
1188 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1189 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1190 &resp
->params
.opt_hs_cfg
;
1191 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1193 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
) &&
1194 adapter
->iface_type
!= MWIFIEX_USB
) {
1195 mwifiex_hs_activated_event(priv
, true);
1198 mwifiex_dbg(adapter
, CMD
,
1199 "cmd: CMD_RESP: HS_CFG cmd reply\t"
1200 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1201 resp
->result
, conditions
,
1202 phs_cfg
->params
.hs_config
.gpio
,
1203 phs_cfg
->params
.hs_config
.gap
);
1205 if (conditions
!= HS_CFG_CANCEL
) {
1206 adapter
->is_hs_configured
= true;
1207 if (adapter
->iface_type
== MWIFIEX_USB
)
1208 mwifiex_hs_activated_event(priv
, true);
1210 adapter
->is_hs_configured
= false;
1211 if (adapter
->hs_activated
)
1212 mwifiex_hs_activated_event(priv
, false);
1219 * This function wakes up the adapter and generates a Host Sleep
1220 * cancel event on receiving the power up interrupt.
1223 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1225 mwifiex_dbg(adapter
, INFO
,
1226 "info: %s: auto cancelling host sleep\t"
1227 "since there is interrupt from the firmware\n",
1230 adapter
->if_ops
.wakeup(adapter
);
1231 adapter
->hs_activated
= false;
1232 adapter
->is_hs_configured
= false;
1233 adapter
->is_suspended
= false;
1234 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1235 MWIFIEX_BSS_ROLE_ANY
),
1238 EXPORT_SYMBOL_GPL(mwifiex_process_hs_config
);
1241 * This function handles the command response of a sleep confirm command.
1243 * The function sets the card state to SLEEP if the response indicates success.
1246 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1247 u8
*pbuf
, u32 upld_len
)
1249 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1250 struct mwifiex_private
*priv
=
1251 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1252 uint16_t result
= le16_to_cpu(cmd
->result
);
1253 uint16_t command
= le16_to_cpu(cmd
->command
);
1254 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1257 mwifiex_dbg(adapter
, ERROR
,
1258 "%s: cmd size is 0\n", __func__
);
1262 mwifiex_dbg(adapter
, CMD
,
1263 "cmd: CMD_RESP: 0x%x, result %d, len %d, seqno 0x%x\n",
1264 command
, result
, le16_to_cpu(cmd
->size
), seq_num
);
1266 /* Get BSS number and corresponding priv */
1267 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1268 HostCmd_GET_BSS_TYPE(seq_num
));
1270 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1272 /* Update sequence number */
1273 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1274 /* Clear RET_BIT from HostCmd */
1275 command
&= HostCmd_CMD_ID_MASK
;
1277 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1278 mwifiex_dbg(adapter
, ERROR
,
1279 "%s: rcvd unexpected resp for cmd %#x, result = %x\n",
1280 __func__
, command
, result
);
1285 mwifiex_dbg(adapter
, ERROR
,
1286 "%s: sleep confirm cmd failed\n",
1288 adapter
->pm_wakeup_card_req
= false;
1289 adapter
->ps_state
= PS_STATE_AWAKE
;
1292 adapter
->pm_wakeup_card_req
= true;
1293 if (adapter
->is_hs_configured
)
1294 mwifiex_hs_activated_event(mwifiex_get_priv
1295 (adapter
, MWIFIEX_BSS_ROLE_ANY
),
1297 adapter
->ps_state
= PS_STATE_SLEEP
;
1298 cmd
->command
= cpu_to_le16(command
);
1299 cmd
->seq_num
= cpu_to_le16(seq_num
);
1301 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1304 * This function prepares an enhanced power mode command.
1306 * This function can be used to disable power save or to configure
1307 * power save with auto PS or STA PS or auto deep sleep.
1309 * Preparation includes -
1310 * - Setting command ID, action and proper size
1311 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1312 * auto deep sleep TLV (as required)
1313 * - Ensuring correct endian-ness
1315 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1316 struct host_cmd_ds_command
*cmd
,
1317 u16 cmd_action
, uint16_t ps_bitmap
,
1318 struct mwifiex_ds_auto_ds
*auto_ds
)
1320 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1321 &cmd
->params
.psmode_enh
;
1325 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1326 if (cmd_action
== DIS_AUTO_PS
) {
1327 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1328 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1329 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1330 sizeof(psmode_enh
->params
.ps_bitmap
));
1331 } else if (cmd_action
== GET_PS
) {
1332 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1333 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1334 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1335 sizeof(psmode_enh
->params
.ps_bitmap
));
1336 } else if (cmd_action
== EN_AUTO_PS
) {
1337 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1338 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1339 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1340 sizeof(psmode_enh
->params
.ps_bitmap
);
1341 tlv
= (u8
*) cmd
+ cmd_size
;
1342 if (ps_bitmap
& BITMAP_STA_PS
) {
1343 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1344 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1345 (struct mwifiex_ie_types_ps_param
*) tlv
;
1346 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1347 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1348 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1349 sizeof(struct mwifiex_ie_types_header
));
1350 cmd_size
+= sizeof(*ps_tlv
);
1351 tlv
+= sizeof(*ps_tlv
);
1352 mwifiex_dbg(priv
->adapter
, CMD
,
1353 "cmd: PS Command: Enter PS\n");
1354 ps_mode
->null_pkt_interval
=
1355 cpu_to_le16(adapter
->null_pkt_interval
);
1356 ps_mode
->multiple_dtims
=
1357 cpu_to_le16(adapter
->multiple_dtim
);
1358 ps_mode
->bcn_miss_timeout
=
1359 cpu_to_le16(adapter
->bcn_miss_time_out
);
1360 ps_mode
->local_listen_interval
=
1361 cpu_to_le16(adapter
->local_listen_interval
);
1362 ps_mode
->adhoc_wake_period
=
1363 cpu_to_le16(adapter
->adhoc_awake_period
);
1364 ps_mode
->delay_to_ps
=
1365 cpu_to_le16(adapter
->delay_to_ps
);
1366 ps_mode
->mode
= cpu_to_le16(adapter
->enhanced_ps_mode
);
1369 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1370 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1371 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1374 auto_ds_tlv
->header
.type
=
1375 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1376 auto_ds_tlv
->header
.len
=
1377 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1378 sizeof(struct mwifiex_ie_types_header
));
1379 cmd_size
+= sizeof(*auto_ds_tlv
);
1380 tlv
+= sizeof(*auto_ds_tlv
);
1382 idletime
= auto_ds
->idle_time
;
1383 mwifiex_dbg(priv
->adapter
, CMD
,
1384 "cmd: PS Command: Enter Auto Deep Sleep\n");
1385 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1387 cmd
->size
= cpu_to_le16(cmd_size
);
1393 * This function handles the command response of an enhanced power mode
1396 * Handling includes changing the header fields into CPU format
1397 * and setting the current enhanced power mode in driver.
1399 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1400 struct host_cmd_ds_command
*resp
,
1401 struct mwifiex_ds_pm_cfg
*pm_cfg
)
1403 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1404 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1405 &resp
->params
.psmode_enh
;
1406 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1407 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1408 uint16_t auto_ps_bitmap
=
1409 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1411 mwifiex_dbg(adapter
, INFO
,
1412 "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1413 __func__
, resp
->result
, action
);
1414 if (action
== EN_AUTO_PS
) {
1415 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1416 mwifiex_dbg(adapter
, CMD
,
1417 "cmd: Enabled auto deep sleep\n");
1418 priv
->adapter
->is_deep_sleep
= true;
1420 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1421 mwifiex_dbg(adapter
, CMD
,
1422 "cmd: Enabled STA power save\n");
1423 if (adapter
->sleep_period
.period
)
1424 mwifiex_dbg(adapter
, CMD
,
1425 "cmd: set to uapsd/pps mode\n");
1427 } else if (action
== DIS_AUTO_PS
) {
1428 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1429 priv
->adapter
->is_deep_sleep
= false;
1430 mwifiex_dbg(adapter
, CMD
,
1431 "cmd: Disabled auto deep sleep\n");
1433 if (ps_bitmap
& BITMAP_STA_PS
) {
1434 mwifiex_dbg(adapter
, CMD
,
1435 "cmd: Disabled STA power save\n");
1436 if (adapter
->sleep_period
.period
) {
1437 adapter
->delay_null_pkt
= false;
1438 adapter
->tx_lock_flag
= false;
1439 adapter
->pps_uapsd_mode
= false;
1442 } else if (action
== GET_PS
) {
1443 if (ps_bitmap
& BITMAP_STA_PS
)
1444 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1446 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1448 mwifiex_dbg(adapter
, CMD
,
1449 "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1452 /* This section is for get power save mode */
1453 if (ps_bitmap
& BITMAP_STA_PS
)
1454 pm_cfg
->param
.ps_mode
= 1;
1456 pm_cfg
->param
.ps_mode
= 0;
1463 * This function prepares command to get hardware specifications.
1465 * Preparation includes -
1466 * - Setting command ID, action and proper size
1467 * - Setting permanent address parameter
1468 * - Ensuring correct endian-ness
1470 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1471 struct host_cmd_ds_command
*cmd
)
1473 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1475 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1477 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1478 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1484 * This function handles the command response of get hardware
1487 * Handling includes changing the header fields into CPU format
1488 * and saving/updating the following parameters in driver -
1489 * - Firmware capability information
1490 * - Firmware band settings
1491 * - Ad-hoc start band and channel
1492 * - Ad-hoc 11n activation status
1493 * - Firmware release number
1494 * - Number of antennas
1495 * - Hardware address
1496 * - Hardware interface version
1497 * - Firmware version
1499 * - 11n capabilities
1500 * - MCS support fields
1503 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1504 struct host_cmd_ds_command
*resp
)
1506 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1507 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1508 struct mwifiex_ie_types_header
*tlv
;
1509 struct hw_spec_api_rev
*api_rev
;
1510 u16 resp_size
, api_id
;
1511 int i
, left_len
, parsed_len
= 0;
1513 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1515 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1516 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1518 adapter
->fw_bands
= BAND_B
;
1520 adapter
->config_bands
= adapter
->fw_bands
;
1522 if (adapter
->fw_bands
& BAND_A
) {
1523 if (adapter
->fw_bands
& BAND_GN
) {
1524 adapter
->config_bands
|= BAND_AN
;
1525 adapter
->fw_bands
|= BAND_AN
;
1527 if (adapter
->fw_bands
& BAND_AN
) {
1528 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1529 adapter
->adhoc_11n_enabled
= true;
1531 adapter
->adhoc_start_band
= BAND_A
;
1533 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1534 } else if (adapter
->fw_bands
& BAND_GN
) {
1535 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1536 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1537 adapter
->adhoc_11n_enabled
= true;
1538 } else if (adapter
->fw_bands
& BAND_G
) {
1539 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1540 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1541 } else if (adapter
->fw_bands
& BAND_B
) {
1542 adapter
->adhoc_start_band
= BAND_B
;
1543 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1546 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1547 adapter
->fw_api_ver
= (adapter
->fw_release_number
>> 16) & 0xff;
1548 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1550 if (le32_to_cpu(hw_spec
->dot_11ac_dev_cap
)) {
1551 adapter
->is_hw_11ac_capable
= true;
1554 adapter
->hw_dot_11ac_dev_cap
=
1555 le32_to_cpu(hw_spec
->dot_11ac_dev_cap
);
1556 adapter
->usr_dot_11ac_dev_cap_bg
= adapter
->hw_dot_11ac_dev_cap
1557 & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK
;
1558 adapter
->usr_dot_11ac_dev_cap_a
= adapter
->hw_dot_11ac_dev_cap
1559 & ~MWIFIEX_DEF_11AC_CAP_BF_RESET_MASK
;
1562 adapter
->hw_dot_11ac_mcs_support
=
1563 le32_to_cpu(hw_spec
->dot_11ac_mcs_support
);
1564 adapter
->usr_dot_11ac_mcs_support
=
1565 adapter
->hw_dot_11ac_mcs_support
;
1567 adapter
->is_hw_11ac_capable
= false;
1570 resp_size
= le16_to_cpu(resp
->size
) - S_DS_GEN
;
1571 if (resp_size
> sizeof(struct host_cmd_ds_get_hw_spec
)) {
1572 /* we have variable HW SPEC information */
1573 left_len
= resp_size
- sizeof(struct host_cmd_ds_get_hw_spec
);
1574 while (left_len
> sizeof(struct mwifiex_ie_types_header
)) {
1575 tlv
= (void *)&hw_spec
->tlvs
+ parsed_len
;
1576 switch (le16_to_cpu(tlv
->type
)) {
1577 case TLV_TYPE_API_REV
:
1578 api_rev
= (struct hw_spec_api_rev
*)tlv
;
1579 api_id
= le16_to_cpu(api_rev
->api_id
);
1581 case KEY_API_VER_ID
:
1582 adapter
->key_api_major_ver
=
1584 adapter
->key_api_minor_ver
=
1586 mwifiex_dbg(adapter
, INFO
,
1588 adapter
->key_api_major_ver
,
1589 adapter
->key_api_minor_ver
);
1592 adapter
->fw_api_ver
=
1594 mwifiex_dbg(adapter
, INFO
,
1595 "Firmware api version %d\n",
1596 adapter
->fw_api_ver
);
1599 mwifiex_dbg(adapter
, FATAL
,
1600 "Unknown api_id: %d\n",
1606 mwifiex_dbg(adapter
, FATAL
,
1607 "Unknown GET_HW_SPEC TLV type: %#x\n",
1608 le16_to_cpu(tlv
->type
));
1611 parsed_len
+= le16_to_cpu(tlv
->len
) +
1612 sizeof(struct mwifiex_ie_types_header
);
1613 left_len
-= le16_to_cpu(tlv
->len
) +
1614 sizeof(struct mwifiex_ie_types_header
);
1618 mwifiex_dbg(adapter
, INFO
,
1619 "info: GET_HW_SPEC: fw_release_number- %#x\n",
1620 adapter
->fw_release_number
);
1621 mwifiex_dbg(adapter
, INFO
,
1622 "info: GET_HW_SPEC: permanent addr: %pM\n",
1623 hw_spec
->permanent_addr
);
1624 mwifiex_dbg(adapter
, INFO
,
1625 "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1626 le16_to_cpu(hw_spec
->hw_if_version
),
1627 le16_to_cpu(hw_spec
->version
));
1629 ether_addr_copy(priv
->adapter
->perm_addr
, hw_spec
->permanent_addr
);
1630 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1632 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1633 /* Use the region code to search for the index */
1634 if (adapter
->region_code
== region_code_index
[i
])
1637 /* If it's unidentified region code, use the default (world) */
1638 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1639 adapter
->region_code
= 0x00;
1640 mwifiex_dbg(adapter
, WARN
,
1641 "cmd: unknown region code, use default (USA)\n");
1644 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1645 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1646 adapter
->user_dev_mcs_support
= adapter
->hw_dev_mcs_support
;
1648 if (adapter
->if_ops
.update_mp_end_port
)
1649 adapter
->if_ops
.update_mp_end_port(adapter
,
1650 le16_to_cpu(hw_spec
->mp_end_port
));
1652 if (adapter
->fw_api_ver
== MWIFIEX_FW_V15
)
1653 adapter
->scan_chan_gap_enabled
= true;
1658 /* This function handles the command response of hs wakeup reason
1661 int mwifiex_ret_wakeup_reason(struct mwifiex_private
*priv
,
1662 struct host_cmd_ds_command
*resp
,
1663 struct host_cmd_ds_wakeup_reason
*wakeup_reason
)
1665 wakeup_reason
->wakeup_reason
=
1666 resp
->params
.hs_wakeup_reason
.wakeup_reason
;