2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
6 #include <linux/kfifo.h>
7 #include <linux/sched.h>
8 #include <linux/slab.h>
15 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
);
18 * @brief Simple callback that copies response back into command
20 * @param priv A pointer to struct lbs_private structure
21 * @param extra A pointer to the original command structure for which
22 * 'resp' is a response
23 * @param resp A pointer to the command response
25 * @return 0 on success, error on failure
27 int lbs_cmd_copyback(struct lbs_private
*priv
, unsigned long extra
,
28 struct cmd_header
*resp
)
30 struct cmd_header
*buf
= (void *)extra
;
33 copy_len
= min(le16_to_cpu(buf
->size
), le16_to_cpu(resp
->size
));
34 memcpy(buf
, resp
, copy_len
);
37 EXPORT_SYMBOL_GPL(lbs_cmd_copyback
);
40 * @brief Simple callback that ignores the result. Use this if
41 * you just want to send a command to the hardware, but don't
42 * care for the result.
45 * @param extra ignored
48 * @return 0 for success
50 static int lbs_cmd_async_callback(struct lbs_private
*priv
, unsigned long extra
,
51 struct cmd_header
*resp
)
58 * @brief Checks whether a command is allowed in Power Save mode
60 * @param command the command ID
61 * @return 1 if allowed, 0 if not allowed
63 static u8
is_command_allowed_in_ps(u16 cmd
)
68 case CMD_802_11_HOST_SLEEP_CFG
:
77 * @brief This function checks if the command is allowed.
79 * @param priv A pointer to lbs_private structure
80 * @return allowed or not allowed.
83 static int lbs_is_cmd_allowed(struct lbs_private
*priv
)
87 lbs_deb_enter(LBS_DEB_CMD
);
89 if (!priv
->is_auto_deep_sleep_enabled
) {
90 if (priv
->is_deep_sleep
) {
91 lbs_deb_cmd("command not allowed in deep sleep\n");
96 lbs_deb_leave(LBS_DEB_CMD
);
101 * @brief Updates the hardware details like MAC address and regulatory region
103 * @param priv A pointer to struct lbs_private structure
105 * @return 0 on success, error on failure
107 int lbs_update_hw_spec(struct lbs_private
*priv
)
109 struct cmd_ds_get_hw_spec cmd
;
113 lbs_deb_enter(LBS_DEB_CMD
);
115 memset(&cmd
, 0, sizeof(cmd
));
116 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
117 memcpy(cmd
.permanentaddr
, priv
->current_addr
, ETH_ALEN
);
118 ret
= lbs_cmd_with_response(priv
, CMD_GET_HW_SPEC
, &cmd
);
122 priv
->fwcapinfo
= le32_to_cpu(cmd
.fwcapinfo
);
124 /* The firmware release is in an interesting format: the patch
125 * level is in the most significant nibble ... so fix that: */
126 priv
->fwrelease
= le32_to_cpu(cmd
.fwrelease
);
127 priv
->fwrelease
= (priv
->fwrelease
<< 8) |
128 (priv
->fwrelease
>> 24 & 0xff);
130 /* Some firmware capabilities:
131 * CF card firmware 5.0.16p0: cap 0x00000303
132 * USB dongle firmware 5.110.17p2: cap 0x00000303
134 lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
136 priv
->fwrelease
>> 24 & 0xff,
137 priv
->fwrelease
>> 16 & 0xff,
138 priv
->fwrelease
>> 8 & 0xff,
139 priv
->fwrelease
& 0xff,
141 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
142 cmd
.hwifversion
, cmd
.version
);
144 /* Clamp region code to 8-bit since FW spec indicates that it should
145 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
146 * returns non-zero high 8 bits here.
148 * Firmware version 4.0.102 used in CF8381 has region code shifted. We
149 * need to check for this problem and handle it properly.
151 if (MRVL_FW_MAJOR_REV(priv
->fwrelease
) == MRVL_FW_V4
)
152 priv
->regioncode
= (le16_to_cpu(cmd
.regioncode
) >> 8) & 0xFF;
154 priv
->regioncode
= le16_to_cpu(cmd
.regioncode
) & 0xFF;
156 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
157 /* use the region code to search for the index */
158 if (priv
->regioncode
== lbs_region_code_to_index
[i
])
162 /* if it's unidentified region code, use the default (USA) */
163 if (i
>= MRVDRV_MAX_REGION_CODE
) {
164 priv
->regioncode
= 0x10;
165 lbs_pr_info("unidentified region code; using the default (USA)\n");
168 if (priv
->current_addr
[0] == 0xff)
169 memmove(priv
->current_addr
, cmd
.permanentaddr
, ETH_ALEN
);
171 memcpy(priv
->dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
173 memcpy(priv
->mesh_dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
176 lbs_deb_leave(LBS_DEB_CMD
);
180 static int lbs_ret_host_sleep_cfg(struct lbs_private
*priv
, unsigned long dummy
,
181 struct cmd_header
*resp
)
183 lbs_deb_enter(LBS_DEB_CMD
);
184 if (priv
->wol_criteria
== EHS_REMOVE_WAKEUP
) {
185 priv
->is_host_sleep_configured
= 0;
186 if (priv
->psstate
== PS_STATE_FULL_POWER
) {
187 priv
->is_host_sleep_activated
= 0;
188 wake_up_interruptible(&priv
->host_sleep_q
);
191 priv
->is_host_sleep_configured
= 1;
193 lbs_deb_leave(LBS_DEB_CMD
);
197 int lbs_host_sleep_cfg(struct lbs_private
*priv
, uint32_t criteria
,
198 struct wol_config
*p_wol_config
)
200 struct cmd_ds_host_sleep cmd_config
;
203 cmd_config
.hdr
.size
= cpu_to_le16(sizeof(cmd_config
));
204 cmd_config
.criteria
= cpu_to_le32(criteria
);
205 cmd_config
.gpio
= priv
->wol_gpio
;
206 cmd_config
.gap
= priv
->wol_gap
;
208 if (p_wol_config
!= NULL
)
209 memcpy((uint8_t *)&cmd_config
.wol_conf
, (uint8_t *)p_wol_config
,
210 sizeof(struct wol_config
));
212 cmd_config
.wol_conf
.action
= CMD_ACT_ACTION_NONE
;
214 ret
= __lbs_cmd(priv
, CMD_802_11_HOST_SLEEP_CFG
, &cmd_config
.hdr
,
215 le16_to_cpu(cmd_config
.hdr
.size
),
216 lbs_ret_host_sleep_cfg
, 0);
219 memcpy((uint8_t *) p_wol_config
,
220 (uint8_t *)&cmd_config
.wol_conf
,
221 sizeof(struct wol_config
));
223 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret
);
228 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg
);
230 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command
*cmd
,
233 struct cmd_ds_802_11_ps_mode
*psm
= &cmd
->params
.psmode
;
235 lbs_deb_enter(LBS_DEB_CMD
);
237 cmd
->command
= cpu_to_le16(CMD_802_11_PS_MODE
);
238 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode
) +
239 sizeof(struct cmd_header
));
240 psm
->action
= cpu_to_le16(cmd_action
);
241 psm
->multipledtim
= 0;
242 switch (cmd_action
) {
243 case CMD_SUBCMD_ENTER_PS
:
244 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
246 psm
->locallisteninterval
= 0;
247 psm
->nullpktinterval
= 0;
249 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM
);
252 case CMD_SUBCMD_EXIT_PS
:
253 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
256 case CMD_SUBCMD_SLEEP_CONFIRMED
:
257 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
264 lbs_deb_leave(LBS_DEB_CMD
);
268 int lbs_cmd_802_11_sleep_params(struct lbs_private
*priv
, uint16_t cmd_action
,
269 struct sleep_params
*sp
)
271 struct cmd_ds_802_11_sleep_params cmd
;
274 lbs_deb_enter(LBS_DEB_CMD
);
276 if (cmd_action
== CMD_ACT_GET
) {
277 memset(&cmd
, 0, sizeof(cmd
));
279 cmd
.error
= cpu_to_le16(sp
->sp_error
);
280 cmd
.offset
= cpu_to_le16(sp
->sp_offset
);
281 cmd
.stabletime
= cpu_to_le16(sp
->sp_stabletime
);
282 cmd
.calcontrol
= sp
->sp_calcontrol
;
283 cmd
.externalsleepclk
= sp
->sp_extsleepclk
;
284 cmd
.reserved
= cpu_to_le16(sp
->sp_reserved
);
286 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
287 cmd
.action
= cpu_to_le16(cmd_action
);
289 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SLEEP_PARAMS
, &cmd
);
292 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
293 "calcontrol 0x%x extsleepclk 0x%x\n",
294 le16_to_cpu(cmd
.error
), le16_to_cpu(cmd
.offset
),
295 le16_to_cpu(cmd
.stabletime
), cmd
.calcontrol
,
296 cmd
.externalsleepclk
);
298 sp
->sp_error
= le16_to_cpu(cmd
.error
);
299 sp
->sp_offset
= le16_to_cpu(cmd
.offset
);
300 sp
->sp_stabletime
= le16_to_cpu(cmd
.stabletime
);
301 sp
->sp_calcontrol
= cmd
.calcontrol
;
302 sp
->sp_extsleepclk
= cmd
.externalsleepclk
;
303 sp
->sp_reserved
= le16_to_cpu(cmd
.reserved
);
306 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
310 static int lbs_wait_for_ds_awake(struct lbs_private
*priv
)
314 lbs_deb_enter(LBS_DEB_CMD
);
316 if (priv
->is_deep_sleep
) {
317 if (!wait_event_interruptible_timeout(priv
->ds_awake_q
,
318 !priv
->is_deep_sleep
, (10 * HZ
))) {
319 lbs_pr_err("ds_awake_q: timer expired\n");
324 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
328 int lbs_set_deep_sleep(struct lbs_private
*priv
, int deep_sleep
)
332 lbs_deb_enter(LBS_DEB_CMD
);
335 if (priv
->is_deep_sleep
!= 1) {
336 lbs_deb_cmd("deep sleep: sleep\n");
337 BUG_ON(!priv
->enter_deep_sleep
);
338 ret
= priv
->enter_deep_sleep(priv
);
340 netif_stop_queue(priv
->dev
);
341 netif_carrier_off(priv
->dev
);
344 lbs_pr_err("deep sleep: already enabled\n");
347 if (priv
->is_deep_sleep
) {
348 lbs_deb_cmd("deep sleep: wakeup\n");
349 BUG_ON(!priv
->exit_deep_sleep
);
350 ret
= priv
->exit_deep_sleep(priv
);
352 ret
= lbs_wait_for_ds_awake(priv
);
354 lbs_pr_err("deep sleep: wakeup"
360 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
365 * @brief Set an SNMP MIB value
367 * @param priv A pointer to struct lbs_private structure
368 * @param oid The OID to set in the firmware
369 * @param val Value to set the OID to
371 * @return 0 on success, error on failure
373 int lbs_set_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16 val
)
375 struct cmd_ds_802_11_snmp_mib cmd
;
378 lbs_deb_enter(LBS_DEB_CMD
);
380 memset(&cmd
, 0, sizeof (cmd
));
381 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
382 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
383 cmd
.oid
= cpu_to_le16((u16
) oid
);
386 case SNMP_MIB_OID_BSS_TYPE
:
387 cmd
.bufsize
= cpu_to_le16(sizeof(u8
));
390 case SNMP_MIB_OID_11D_ENABLE
:
391 case SNMP_MIB_OID_FRAG_THRESHOLD
:
392 case SNMP_MIB_OID_RTS_THRESHOLD
:
393 case SNMP_MIB_OID_SHORT_RETRY_LIMIT
:
394 case SNMP_MIB_OID_LONG_RETRY_LIMIT
:
395 cmd
.bufsize
= cpu_to_le16(sizeof(u16
));
396 *((__le16
*)(&cmd
.value
)) = cpu_to_le16(val
);
399 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid
);
404 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
405 le16_to_cpu(cmd
.oid
), le16_to_cpu(cmd
.bufsize
), val
);
407 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
410 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
415 * @brief Get an SNMP MIB value
417 * @param priv A pointer to struct lbs_private structure
418 * @param oid The OID to retrieve from the firmware
419 * @param out_val Location for the returned value
421 * @return 0 on success, error on failure
423 int lbs_get_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16
*out_val
)
425 struct cmd_ds_802_11_snmp_mib cmd
;
428 lbs_deb_enter(LBS_DEB_CMD
);
430 memset(&cmd
, 0, sizeof (cmd
));
431 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
432 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
433 cmd
.oid
= cpu_to_le16(oid
);
435 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
439 switch (le16_to_cpu(cmd
.bufsize
)) {
441 *out_val
= cmd
.value
[0];
444 *out_val
= le16_to_cpu(*((__le16
*)(&cmd
.value
)));
447 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
448 oid
, le16_to_cpu(cmd
.bufsize
));
453 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
458 * @brief Get the min, max, and current TX power
460 * @param priv A pointer to struct lbs_private structure
461 * @param curlevel Current power level in dBm
462 * @param minlevel Minimum supported power level in dBm (optional)
463 * @param maxlevel Maximum supported power level in dBm (optional)
465 * @return 0 on success, error on failure
467 int lbs_get_tx_power(struct lbs_private
*priv
, s16
*curlevel
, s16
*minlevel
,
470 struct cmd_ds_802_11_rf_tx_power cmd
;
473 lbs_deb_enter(LBS_DEB_CMD
);
475 memset(&cmd
, 0, sizeof(cmd
));
476 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
477 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
479 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
481 *curlevel
= le16_to_cpu(cmd
.curlevel
);
483 *minlevel
= cmd
.minlevel
;
485 *maxlevel
= cmd
.maxlevel
;
488 lbs_deb_leave(LBS_DEB_CMD
);
493 * @brief Set the TX power
495 * @param priv A pointer to struct lbs_private structure
496 * @param dbm The desired power level in dBm
498 * @return 0 on success, error on failure
500 int lbs_set_tx_power(struct lbs_private
*priv
, s16 dbm
)
502 struct cmd_ds_802_11_rf_tx_power cmd
;
505 lbs_deb_enter(LBS_DEB_CMD
);
507 memset(&cmd
, 0, sizeof(cmd
));
508 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
509 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
510 cmd
.curlevel
= cpu_to_le16(dbm
);
512 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm
);
514 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
516 lbs_deb_leave(LBS_DEB_CMD
);
520 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command
*cmd
,
521 u16 cmd_action
, void *pdata_buf
)
523 struct cmd_ds_802_11_monitor_mode
*monitor
= &cmd
->params
.monitor
;
525 cmd
->command
= cpu_to_le16(CMD_802_11_MONITOR_MODE
);
527 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode
) +
528 sizeof(struct cmd_header
));
530 monitor
->action
= cpu_to_le16(cmd_action
);
531 if (cmd_action
== CMD_ACT_SET
) {
533 cpu_to_le16((u16
) (*(u32
*) pdata_buf
));
540 * @brief Get the radio channel
542 * @param priv A pointer to struct lbs_private structure
544 * @return The channel on success, error on failure
546 static int lbs_get_channel(struct lbs_private
*priv
)
548 struct cmd_ds_802_11_rf_channel cmd
;
551 lbs_deb_enter(LBS_DEB_CMD
);
553 memset(&cmd
, 0, sizeof(cmd
));
554 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
555 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET
);
557 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
561 ret
= le16_to_cpu(cmd
.channel
);
562 lbs_deb_cmd("current radio channel is %d\n", ret
);
565 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
569 int lbs_update_channel(struct lbs_private
*priv
)
573 /* the channel in f/w could be out of sync; get the current channel */
574 lbs_deb_enter(LBS_DEB_ASSOC
);
576 ret
= lbs_get_channel(priv
);
581 lbs_deb_leave_args(LBS_DEB_ASSOC
, "ret %d", ret
);
586 * @brief Set the radio channel
588 * @param priv A pointer to struct lbs_private structure
589 * @param channel The desired channel, or 0 to clear a locked channel
591 * @return 0 on success, error on failure
593 int lbs_set_channel(struct lbs_private
*priv
, u8 channel
)
595 struct cmd_ds_802_11_rf_channel cmd
;
597 u8 old_channel
= priv
->channel
;
601 lbs_deb_enter(LBS_DEB_CMD
);
603 memset(&cmd
, 0, sizeof(cmd
));
604 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
605 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET
);
606 cmd
.channel
= cpu_to_le16(channel
);
608 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
612 priv
->channel
= (uint8_t) le16_to_cpu(cmd
.channel
);
613 lbs_deb_cmd("channel switch from %d to %d\n", old_channel
,
617 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
621 static int lbs_cmd_reg_access(struct cmd_ds_command
*cmdptr
,
622 u8 cmd_action
, void *pdata_buf
)
624 struct lbs_offset_value
*offval
;
626 lbs_deb_enter(LBS_DEB_CMD
);
628 offval
= (struct lbs_offset_value
*)pdata_buf
;
630 switch (le16_to_cpu(cmdptr
->command
)) {
631 case CMD_MAC_REG_ACCESS
:
633 struct cmd_ds_mac_reg_access
*macreg
;
636 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access
)
637 + sizeof(struct cmd_header
));
639 (struct cmd_ds_mac_reg_access
*)&cmdptr
->params
.
642 macreg
->action
= cpu_to_le16(cmd_action
);
643 macreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
644 macreg
->value
= cpu_to_le32(offval
->value
);
649 case CMD_BBP_REG_ACCESS
:
651 struct cmd_ds_bbp_reg_access
*bbpreg
;
655 (struct cmd_ds_bbp_reg_access
)
656 + sizeof(struct cmd_header
));
658 (struct cmd_ds_bbp_reg_access
*)&cmdptr
->params
.
661 bbpreg
->action
= cpu_to_le16(cmd_action
);
662 bbpreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
663 bbpreg
->value
= (u8
) offval
->value
;
668 case CMD_RF_REG_ACCESS
:
670 struct cmd_ds_rf_reg_access
*rfreg
;
674 (struct cmd_ds_rf_reg_access
) +
675 sizeof(struct cmd_header
));
677 (struct cmd_ds_rf_reg_access
*)&cmdptr
->params
.
680 rfreg
->action
= cpu_to_le16(cmd_action
);
681 rfreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
682 rfreg
->value
= (u8
) offval
->value
;
691 lbs_deb_leave(LBS_DEB_CMD
);
695 static void lbs_queue_cmd(struct lbs_private
*priv
,
696 struct cmd_ctrl_node
*cmdnode
)
701 lbs_deb_enter(LBS_DEB_HOST
);
704 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
707 if (!cmdnode
->cmdbuf
->size
) {
708 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
713 /* Exit_PS command needs to be queued in the header always. */
714 if (le16_to_cpu(cmdnode
->cmdbuf
->command
) == CMD_802_11_PS_MODE
) {
715 struct cmd_ds_802_11_ps_mode
*psm
= (void *) &cmdnode
->cmdbuf
[1];
717 if (psm
->action
== cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
718 if (priv
->psstate
!= PS_STATE_FULL_POWER
)
723 if (le16_to_cpu(cmdnode
->cmdbuf
->command
) ==
724 CMD_802_11_WAKEUP_CONFIRM
)
727 spin_lock_irqsave(&priv
->driver_lock
, flags
);
730 list_add_tail(&cmdnode
->list
, &priv
->cmdpendingq
);
732 list_add(&cmdnode
->list
, &priv
->cmdpendingq
);
734 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
736 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
737 le16_to_cpu(cmdnode
->cmdbuf
->command
));
740 lbs_deb_leave(LBS_DEB_HOST
);
743 static void lbs_submit_command(struct lbs_private
*priv
,
744 struct cmd_ctrl_node
*cmdnode
)
747 struct cmd_header
*cmd
;
753 lbs_deb_enter(LBS_DEB_HOST
);
755 cmd
= cmdnode
->cmdbuf
;
757 spin_lock_irqsave(&priv
->driver_lock
, flags
);
758 priv
->cur_cmd
= cmdnode
;
759 priv
->cur_cmd_retcode
= 0;
760 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
762 cmdsize
= le16_to_cpu(cmd
->size
);
763 command
= le16_to_cpu(cmd
->command
);
765 /* These commands take longer */
766 if (command
== CMD_802_11_SCAN
|| command
== CMD_802_11_ASSOCIATE
)
769 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
770 command
, le16_to_cpu(cmd
->seqnum
), cmdsize
);
771 lbs_deb_hex(LBS_DEB_CMD
, "DNLD_CMD", (void *) cmdnode
->cmdbuf
, cmdsize
);
773 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) cmd
, cmdsize
);
776 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret
);
777 /* Let the timer kick in and retry, and potentially reset
778 the whole thing if the condition persists */
782 if (command
== CMD_802_11_DEEP_SLEEP
) {
783 if (priv
->is_auto_deep_sleep_enabled
) {
784 priv
->wakeup_dev_required
= 1;
787 priv
->is_deep_sleep
= 1;
788 lbs_complete_command(priv
, cmdnode
, 0);
790 /* Setup the timer after transmit command */
791 mod_timer(&priv
->command_timer
, jiffies
+ timeo
);
794 lbs_deb_leave(LBS_DEB_HOST
);
798 * This function inserts command node to cmdfreeq
799 * after cleans it. Requires priv->driver_lock held.
801 static void __lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
802 struct cmd_ctrl_node
*cmdnode
)
804 lbs_deb_enter(LBS_DEB_HOST
);
809 cmdnode
->callback
= NULL
;
810 cmdnode
->callback_arg
= 0;
812 memset(cmdnode
->cmdbuf
, 0, LBS_CMD_BUFFER_SIZE
);
814 list_add_tail(&cmdnode
->list
, &priv
->cmdfreeq
);
816 lbs_deb_leave(LBS_DEB_HOST
);
819 static void lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
820 struct cmd_ctrl_node
*ptempcmd
)
824 spin_lock_irqsave(&priv
->driver_lock
, flags
);
825 __lbs_cleanup_and_insert_cmd(priv
, ptempcmd
);
826 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
829 void lbs_complete_command(struct lbs_private
*priv
, struct cmd_ctrl_node
*cmd
,
832 if (cmd
== priv
->cur_cmd
)
833 priv
->cur_cmd_retcode
= result
;
835 cmd
->result
= result
;
836 cmd
->cmdwaitqwoken
= 1;
837 wake_up_interruptible(&cmd
->cmdwait_q
);
839 if (!cmd
->callback
|| cmd
->callback
== lbs_cmd_async_callback
)
840 __lbs_cleanup_and_insert_cmd(priv
, cmd
);
841 priv
->cur_cmd
= NULL
;
844 int lbs_set_radio(struct lbs_private
*priv
, u8 preamble
, u8 radio_on
)
846 struct cmd_ds_802_11_radio_control cmd
;
849 lbs_deb_enter(LBS_DEB_CMD
);
851 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
852 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
854 /* Only v8 and below support setting the preamble */
855 if (priv
->fwrelease
< 0x09000000) {
857 case RADIO_PREAMBLE_SHORT
:
858 case RADIO_PREAMBLE_AUTO
:
859 case RADIO_PREAMBLE_LONG
:
860 cmd
.control
= cpu_to_le16(preamble
);
868 cmd
.control
|= cpu_to_le16(0x1);
870 cmd
.control
&= cpu_to_le16(~0x1);
871 priv
->txpower_cur
= 0;
874 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
875 radio_on
? "ON" : "OFF", preamble
);
877 priv
->radio_on
= radio_on
;
879 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RADIO_CONTROL
, &cmd
);
882 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
886 void lbs_set_mac_control(struct lbs_private
*priv
)
888 struct cmd_ds_mac_control cmd
;
890 lbs_deb_enter(LBS_DEB_CMD
);
892 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
893 cmd
.action
= cpu_to_le16(priv
->mac_control
);
896 lbs_cmd_async(priv
, CMD_MAC_CONTROL
, &cmd
.hdr
, sizeof(cmd
));
898 lbs_deb_leave(LBS_DEB_CMD
);
902 * @brief This function implements command CMD_802_11D_DOMAIN_INFO
903 * @param priv pointer to struct lbs_private
904 * @param cmd pointer to cmd buffer
905 * @param cmdno cmd ID
906 * @param cmdOption cmd action
909 int lbs_cmd_802_11d_domain_info(struct lbs_private
*priv
,
910 struct cmd_ds_command
*cmd
,
913 struct cmd_ds_802_11d_domain_info
*pdomaininfo
=
914 &cmd
->params
.domaininfo
;
915 struct mrvl_ie_domain_param_set
*domain
= &pdomaininfo
->domain
;
916 u8 nr_triplet
= priv
->domain_reg
.no_triplet
;
918 lbs_deb_enter(LBS_DEB_11D
);
920 lbs_deb_11d("nr_triplet=%x\n", nr_triplet
);
922 pdomaininfo
->action
= cpu_to_le16(cmdoption
);
923 if (cmdoption
== CMD_ACT_GET
) {
924 cmd
->size
= cpu_to_le16(sizeof(pdomaininfo
->action
) +
925 sizeof(struct cmd_header
));
926 lbs_deb_hex(LBS_DEB_11D
, "802_11D_DOMAIN_INFO", (u8
*) cmd
,
927 le16_to_cpu(cmd
->size
));
931 domain
->header
.type
= cpu_to_le16(TLV_TYPE_DOMAIN
);
932 memcpy(domain
->countrycode
, priv
->domain_reg
.country_code
,
933 sizeof(domain
->countrycode
));
935 domain
->header
.len
= cpu_to_le16(nr_triplet
936 * sizeof(struct ieee80211_country_ie_triplet
)
937 + sizeof(domain
->countrycode
));
940 memcpy(domain
->triplet
, priv
->domain_reg
.triplet
,
942 sizeof(struct ieee80211_country_ie_triplet
));
944 cmd
->size
= cpu_to_le16(sizeof(pdomaininfo
->action
) +
945 le16_to_cpu(domain
->header
.len
) +
946 sizeof(struct mrvl_ie_header
) +
947 sizeof(struct cmd_header
));
949 cmd
->size
= cpu_to_le16(sizeof(pdomaininfo
->action
) +
950 sizeof(struct cmd_header
));
953 lbs_deb_hex(LBS_DEB_11D
, "802_11D_DOMAIN_INFO", (u8
*) cmd
,
954 le16_to_cpu(cmd
->size
));
957 lbs_deb_enter(LBS_DEB_11D
);
962 * @brief This function prepare the command before send to firmware.
964 * @param priv A pointer to struct lbs_private structure
965 * @param cmd_no command number
966 * @param cmd_action command action: GET or SET
967 * @param wait_option wait option: wait response or not
968 * @param cmd_oid cmd oid: treated as sub command
969 * @param pdata_buf A pointer to informaion buffer
972 int lbs_prepare_and_send_command(struct lbs_private
*priv
,
975 u16 wait_option
, u32 cmd_oid
, void *pdata_buf
)
978 struct cmd_ctrl_node
*cmdnode
;
979 struct cmd_ds_command
*cmdptr
;
982 lbs_deb_enter(LBS_DEB_HOST
);
985 lbs_deb_host("PREP_CMD: priv is NULL\n");
990 if (priv
->surpriseremoved
) {
991 lbs_deb_host("PREP_CMD: card removed\n");
996 if (!lbs_is_cmd_allowed(priv
)) {
1001 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
1003 if (cmdnode
== NULL
) {
1004 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1006 /* Wake up main thread to execute next command */
1007 wake_up_interruptible(&priv
->waitq
);
1012 cmdnode
->callback
= NULL
;
1013 cmdnode
->callback_arg
= (unsigned long)pdata_buf
;
1015 cmdptr
= (struct cmd_ds_command
*)cmdnode
->cmdbuf
;
1017 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no
);
1019 /* Set sequence number, command and INT option */
1021 cmdptr
->seqnum
= cpu_to_le16(priv
->seqnum
);
1023 cmdptr
->command
= cpu_to_le16(cmd_no
);
1027 case CMD_802_11_PS_MODE
:
1028 ret
= lbs_cmd_802_11_ps_mode(cmdptr
, cmd_action
);
1031 case CMD_MAC_REG_ACCESS
:
1032 case CMD_BBP_REG_ACCESS
:
1033 case CMD_RF_REG_ACCESS
:
1034 ret
= lbs_cmd_reg_access(cmdptr
, cmd_action
, pdata_buf
);
1037 case CMD_802_11_MONITOR_MODE
:
1038 ret
= lbs_cmd_802_11_monitor_mode(cmdptr
,
1039 cmd_action
, pdata_buf
);
1042 case CMD_802_11_RSSI
:
1043 ret
= lbs_cmd_802_11_rssi(priv
, cmdptr
);
1046 case CMD_802_11_SET_AFC
:
1047 case CMD_802_11_GET_AFC
:
1049 cmdptr
->command
= cpu_to_le16(cmd_no
);
1050 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_afc
) +
1051 sizeof(struct cmd_header
));
1053 memmove(&cmdptr
->params
.afc
,
1054 pdata_buf
, sizeof(struct cmd_ds_802_11_afc
));
1059 case CMD_802_11D_DOMAIN_INFO
:
1060 cmdptr
->command
= cpu_to_le16(cmd_no
);
1061 ret
= lbs_cmd_802_11d_domain_info(priv
, cmdptr
, cmd_action
);
1064 case CMD_802_11_TPC_CFG
:
1065 cmdptr
->command
= cpu_to_le16(CMD_802_11_TPC_CFG
);
1067 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg
) +
1068 sizeof(struct cmd_header
));
1070 memmove(&cmdptr
->params
.tpccfg
,
1071 pdata_buf
, sizeof(struct cmd_ds_802_11_tpc_cfg
));
1076 #ifdef CONFIG_LIBERTAS_MESH
1079 ret
= lbs_cmd_bt_access(cmdptr
, cmd_action
, pdata_buf
);
1082 case CMD_FWT_ACCESS
:
1083 ret
= lbs_cmd_fwt_access(cmdptr
, cmd_action
, pdata_buf
);
1088 case CMD_802_11_BEACON_CTRL
:
1089 ret
= lbs_cmd_bcn_ctrl(priv
, cmdptr
, cmd_action
);
1091 case CMD_802_11_DEEP_SLEEP
:
1092 cmdptr
->command
= cpu_to_le16(CMD_802_11_DEEP_SLEEP
);
1093 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_header
));
1096 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no
);
1101 /* return error, since the command preparation failed */
1103 lbs_deb_host("PREP_CMD: command preparation failed\n");
1104 lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
1109 cmdnode
->cmdwaitqwoken
= 0;
1111 lbs_queue_cmd(priv
, cmdnode
);
1112 wake_up_interruptible(&priv
->waitq
);
1114 if (wait_option
& CMD_OPTION_WAITFORRSP
) {
1115 lbs_deb_host("PREP_CMD: wait for response\n");
1117 wait_event_interruptible(cmdnode
->cmdwait_q
,
1118 cmdnode
->cmdwaitqwoken
);
1121 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1122 if (priv
->cur_cmd_retcode
) {
1123 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1124 priv
->cur_cmd_retcode
);
1125 priv
->cur_cmd_retcode
= 0;
1128 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1131 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1136 * @brief This function allocates the command buffer and link
1137 * it to command free queue.
1139 * @param priv A pointer to struct lbs_private structure
1142 int lbs_allocate_cmd_buffer(struct lbs_private
*priv
)
1147 struct cmd_ctrl_node
*cmdarray
;
1149 lbs_deb_enter(LBS_DEB_HOST
);
1151 /* Allocate and initialize the command array */
1152 bufsize
= sizeof(struct cmd_ctrl_node
) * LBS_NUM_CMD_BUFFERS
;
1153 if (!(cmdarray
= kzalloc(bufsize
, GFP_KERNEL
))) {
1154 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1158 priv
->cmd_array
= cmdarray
;
1160 /* Allocate and initialize each command buffer in the command array */
1161 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1162 cmdarray
[i
].cmdbuf
= kzalloc(LBS_CMD_BUFFER_SIZE
, GFP_KERNEL
);
1163 if (!cmdarray
[i
].cmdbuf
) {
1164 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1170 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1171 init_waitqueue_head(&cmdarray
[i
].cmdwait_q
);
1172 lbs_cleanup_and_insert_cmd(priv
, &cmdarray
[i
]);
1177 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1182 * @brief This function frees the command buffer.
1184 * @param priv A pointer to struct lbs_private structure
1187 int lbs_free_cmd_buffer(struct lbs_private
*priv
)
1189 struct cmd_ctrl_node
*cmdarray
;
1192 lbs_deb_enter(LBS_DEB_HOST
);
1194 /* need to check if cmd array is allocated or not */
1195 if (priv
->cmd_array
== NULL
) {
1196 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1200 cmdarray
= priv
->cmd_array
;
1202 /* Release shared memory buffers */
1203 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1204 if (cmdarray
[i
].cmdbuf
) {
1205 kfree(cmdarray
[i
].cmdbuf
);
1206 cmdarray
[i
].cmdbuf
= NULL
;
1210 /* Release cmd_ctrl_node */
1211 if (priv
->cmd_array
) {
1212 kfree(priv
->cmd_array
);
1213 priv
->cmd_array
= NULL
;
1217 lbs_deb_leave(LBS_DEB_HOST
);
1222 * @brief This function gets a free command node if available in
1223 * command free queue.
1225 * @param priv A pointer to struct lbs_private structure
1226 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1228 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
)
1230 struct cmd_ctrl_node
*tempnode
;
1231 unsigned long flags
;
1233 lbs_deb_enter(LBS_DEB_HOST
);
1238 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1240 if (!list_empty(&priv
->cmdfreeq
)) {
1241 tempnode
= list_first_entry(&priv
->cmdfreeq
,
1242 struct cmd_ctrl_node
, list
);
1243 list_del(&tempnode
->list
);
1245 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1249 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1251 lbs_deb_leave(LBS_DEB_HOST
);
1256 * @brief This function executes next command in command
1257 * pending queue. It will put firmware back to PS mode
1260 * @param priv A pointer to struct lbs_private structure
1263 int lbs_execute_next_command(struct lbs_private
*priv
)
1265 struct cmd_ctrl_node
*cmdnode
= NULL
;
1266 struct cmd_header
*cmd
;
1267 unsigned long flags
;
1270 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1271 * only caller to us is lbs_thread() and we get even when a
1272 * data packet is received */
1273 lbs_deb_enter(LBS_DEB_THREAD
);
1275 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1277 if (priv
->cur_cmd
) {
1278 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1279 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1284 if (!list_empty(&priv
->cmdpendingq
)) {
1285 cmdnode
= list_first_entry(&priv
->cmdpendingq
,
1286 struct cmd_ctrl_node
, list
);
1289 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1292 cmd
= cmdnode
->cmdbuf
;
1294 if (is_command_allowed_in_ps(le16_to_cpu(cmd
->command
))) {
1295 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1296 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1298 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1299 le16_to_cpu(cmd
->command
),
1304 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1305 "0x%04x in psstate %d\n",
1306 le16_to_cpu(cmd
->command
), priv
->psstate
);
1307 } else if (priv
->psstate
!= PS_STATE_FULL_POWER
) {
1309 * 1. Non-PS command:
1310 * Queue it. set needtowakeup to TRUE if current state
1311 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1312 * 2. PS command but not Exit_PS:
1314 * 3. PS command Exit_PS:
1315 * Set needtowakeup to TRUE if current state is SLEEP,
1316 * otherwise send this command down to firmware
1319 if (cmd
->command
!= cpu_to_le16(CMD_802_11_PS_MODE
)) {
1320 /* Prepare to send Exit PS,
1321 * this non PS command will be sent later */
1322 if ((priv
->psstate
== PS_STATE_SLEEP
)
1323 || (priv
->psstate
== PS_STATE_PRE_SLEEP
)
1325 /* w/ new scheme, it will not reach here.
1326 since it is blocked in main_thread. */
1327 priv
->needtowakeup
= 1;
1329 lbs_ps_wakeup(priv
, 0);
1335 * PS command. Ignore it if it is not Exit_PS.
1336 * otherwise send it down immediately.
1338 struct cmd_ds_802_11_ps_mode
*psm
= (void *)&cmd
[1];
1341 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1344 cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1346 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1347 list_del(&cmdnode
->list
);
1348 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1349 lbs_complete_command(priv
, cmdnode
, 0);
1350 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1356 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1357 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1359 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1360 list_del(&cmdnode
->list
);
1361 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1362 lbs_complete_command(priv
, cmdnode
, 0);
1363 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1364 priv
->needtowakeup
= 1;
1371 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1374 list_del(&cmdnode
->list
);
1375 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1376 le16_to_cpu(cmd
->command
));
1377 lbs_submit_command(priv
, cmdnode
);
1380 * check if in power save mode, if yes, put the device back
1385 * This was the old code for libertas+wext. Someone that
1386 * understands this beast should re-code it in a sane way.
1388 * I actually don't understand why this is related to WPA
1389 * and to connection status, shouldn't powering should be
1390 * independ of such things?
1392 if ((priv
->psmode
!= LBS802_11POWERMODECAM
) &&
1393 (priv
->psstate
== PS_STATE_FULL_POWER
) &&
1394 ((priv
->connect_status
== LBS_CONNECTED
) ||
1395 lbs_mesh_connected(priv
))) {
1396 if (priv
->secinfo
.WPAenabled
||
1397 priv
->secinfo
.WPA2enabled
) {
1398 /* check for valid WPA group keys */
1399 if (priv
->wpa_mcast_key
.len
||
1400 priv
->wpa_unicast_key
.len
) {
1402 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1403 " go back to PS_SLEEP");
1404 lbs_ps_sleep(priv
, 0);
1408 "EXEC_NEXT_CMD: cmdpendingq empty, "
1409 "go back to PS_SLEEP");
1410 lbs_ps_sleep(priv
, 0);
1418 lbs_deb_leave(LBS_DEB_THREAD
);
1422 static void lbs_send_confirmsleep(struct lbs_private
*priv
)
1424 unsigned long flags
;
1427 lbs_deb_enter(LBS_DEB_HOST
);
1428 lbs_deb_hex(LBS_DEB_HOST
, "sleep confirm", (u8
*) &confirm_sleep
,
1429 sizeof(confirm_sleep
));
1431 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) &confirm_sleep
,
1432 sizeof(confirm_sleep
));
1434 lbs_pr_alert("confirm_sleep failed\n");
1438 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1440 /* We don't get a response on the sleep-confirmation */
1441 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
1443 if (priv
->is_host_sleep_configured
) {
1444 priv
->is_host_sleep_activated
= 1;
1445 wake_up_interruptible(&priv
->host_sleep_q
);
1448 /* If nothing to do, go back to sleep (?) */
1449 if (!kfifo_len(&priv
->event_fifo
) && !priv
->resp_len
[priv
->resp_idx
])
1450 priv
->psstate
= PS_STATE_SLEEP
;
1452 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1455 lbs_deb_leave(LBS_DEB_HOST
);
1458 void lbs_ps_sleep(struct lbs_private
*priv
, int wait_option
)
1460 lbs_deb_enter(LBS_DEB_HOST
);
1463 * PS is currently supported only in Infrastructure mode
1464 * Remove this check if it is to be supported in IBSS mode also
1467 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1468 CMD_SUBCMD_ENTER_PS
, wait_option
, 0, NULL
);
1470 lbs_deb_leave(LBS_DEB_HOST
);
1474 * @brief This function sends Exit_PS command to firmware.
1476 * @param priv A pointer to struct lbs_private structure
1477 * @param wait_option wait response or not
1480 void lbs_ps_wakeup(struct lbs_private
*priv
, int wait_option
)
1484 lbs_deb_enter(LBS_DEB_HOST
);
1486 Localpsmode
= cpu_to_le32(LBS802_11POWERMODECAM
);
1488 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1490 wait_option
, 0, &Localpsmode
);
1492 lbs_deb_leave(LBS_DEB_HOST
);
1496 * @brief This function checks condition and prepares to
1497 * send sleep confirm command to firmware if ok.
1499 * @param priv A pointer to struct lbs_private structure
1500 * @param psmode Power Saving mode
1503 void lbs_ps_confirm_sleep(struct lbs_private
*priv
)
1505 unsigned long flags
=0;
1508 lbs_deb_enter(LBS_DEB_HOST
);
1510 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1511 if (priv
->dnld_sent
) {
1513 lbs_deb_host("dnld_sent was set\n");
1516 /* In-progress command? */
1517 if (priv
->cur_cmd
) {
1519 lbs_deb_host("cur_cmd was set\n");
1522 /* Pending events or command responses? */
1523 if (kfifo_len(&priv
->event_fifo
) || priv
->resp_len
[priv
->resp_idx
]) {
1525 lbs_deb_host("pending events or command responses\n");
1527 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1530 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1531 lbs_send_confirmsleep(priv
);
1533 lbs_deb_host("sleep confirm has been delayed\n");
1536 lbs_deb_leave(LBS_DEB_HOST
);
1541 * @brief Configures the transmission power control functionality.
1543 * @param priv A pointer to struct lbs_private structure
1544 * @param enable Transmission power control enable
1545 * @param p0 Power level when link quality is good (dBm).
1546 * @param p1 Power level when link quality is fair (dBm).
1547 * @param p2 Power level when link quality is poor (dBm).
1548 * @param usesnr Use Signal to Noise Ratio in TPC
1550 * @return 0 on success
1552 int lbs_set_tpc_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
, int8_t p1
,
1553 int8_t p2
, int usesnr
)
1555 struct cmd_ds_802_11_tpc_cfg cmd
;
1558 memset(&cmd
, 0, sizeof(cmd
));
1559 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1560 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1561 cmd
.enable
= !!enable
;
1562 cmd
.usesnr
= !!usesnr
;
1567 ret
= lbs_cmd_with_response(priv
, CMD_802_11_TPC_CFG
, &cmd
);
1573 * @brief Configures the power adaptation settings.
1575 * @param priv A pointer to struct lbs_private structure
1576 * @param enable Power adaptation enable
1577 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1578 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1579 * @param p2 Power level for 48 and 54 Mbps (dBm).
1581 * @return 0 on Success
1584 int lbs_set_power_adapt_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
,
1585 int8_t p1
, int8_t p2
)
1587 struct cmd_ds_802_11_pa_cfg cmd
;
1590 memset(&cmd
, 0, sizeof(cmd
));
1591 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1592 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1593 cmd
.enable
= !!enable
;
1598 ret
= lbs_cmd_with_response(priv
, CMD_802_11_PA_CFG
, &cmd
);
1604 struct cmd_ctrl_node
*__lbs_cmd_async(struct lbs_private
*priv
,
1605 uint16_t command
, struct cmd_header
*in_cmd
, int in_cmd_size
,
1606 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
1607 unsigned long callback_arg
)
1609 struct cmd_ctrl_node
*cmdnode
;
1611 lbs_deb_enter(LBS_DEB_HOST
);
1613 if (priv
->surpriseremoved
) {
1614 lbs_deb_host("PREP_CMD: card removed\n");
1615 cmdnode
= ERR_PTR(-ENOENT
);
1619 if (!lbs_is_cmd_allowed(priv
)) {
1620 cmdnode
= ERR_PTR(-EBUSY
);
1624 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
1625 if (cmdnode
== NULL
) {
1626 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1628 /* Wake up main thread to execute next command */
1629 wake_up_interruptible(&priv
->waitq
);
1630 cmdnode
= ERR_PTR(-ENOBUFS
);
1634 cmdnode
->callback
= callback
;
1635 cmdnode
->callback_arg
= callback_arg
;
1637 /* Copy the incoming command to the buffer */
1638 memcpy(cmdnode
->cmdbuf
, in_cmd
, in_cmd_size
);
1640 /* Set sequence number, clean result, move to buffer */
1642 cmdnode
->cmdbuf
->command
= cpu_to_le16(command
);
1643 cmdnode
->cmdbuf
->size
= cpu_to_le16(in_cmd_size
);
1644 cmdnode
->cmdbuf
->seqnum
= cpu_to_le16(priv
->seqnum
);
1645 cmdnode
->cmdbuf
->result
= 0;
1647 lbs_deb_host("PREP_CMD: command 0x%04x\n", command
);
1649 cmdnode
->cmdwaitqwoken
= 0;
1650 lbs_queue_cmd(priv
, cmdnode
);
1651 wake_up_interruptible(&priv
->waitq
);
1654 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %p", cmdnode
);
1658 void lbs_cmd_async(struct lbs_private
*priv
, uint16_t command
,
1659 struct cmd_header
*in_cmd
, int in_cmd_size
)
1661 lbs_deb_enter(LBS_DEB_CMD
);
1662 __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
1663 lbs_cmd_async_callback
, 0);
1664 lbs_deb_leave(LBS_DEB_CMD
);
1667 int __lbs_cmd(struct lbs_private
*priv
, uint16_t command
,
1668 struct cmd_header
*in_cmd
, int in_cmd_size
,
1669 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
1670 unsigned long callback_arg
)
1672 struct cmd_ctrl_node
*cmdnode
;
1673 unsigned long flags
;
1676 lbs_deb_enter(LBS_DEB_HOST
);
1678 cmdnode
= __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
1679 callback
, callback_arg
);
1680 if (IS_ERR(cmdnode
)) {
1681 ret
= PTR_ERR(cmdnode
);
1686 wait_event_interruptible(cmdnode
->cmdwait_q
, cmdnode
->cmdwaitqwoken
);
1688 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1689 ret
= cmdnode
->result
;
1691 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
1694 __lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
1695 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1698 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1701 EXPORT_SYMBOL_GPL(__lbs_cmd
);