2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
6 #include <net/iw_handler.h>
7 #include <net/lib80211.h>
8 #include <linux/kfifo.h>
18 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
);
22 * @brief Simple callback that copies response back into command
24 * @param priv A pointer to struct lbs_private structure
25 * @param extra A pointer to the original command structure for which
26 * 'resp' is a response
27 * @param resp A pointer to the command response
29 * @return 0 on success, error on failure
31 int lbs_cmd_copyback(struct lbs_private
*priv
, unsigned long extra
,
32 struct cmd_header
*resp
)
34 struct cmd_header
*buf
= (void *)extra
;
37 copy_len
= min(le16_to_cpu(buf
->size
), le16_to_cpu(resp
->size
));
38 memcpy(buf
, resp
, copy_len
);
41 EXPORT_SYMBOL_GPL(lbs_cmd_copyback
);
44 * @brief Simple callback that ignores the result. Use this if
45 * you just want to send a command to the hardware, but don't
46 * care for the result.
49 * @param extra ignored
52 * @return 0 for success
54 static int lbs_cmd_async_callback(struct lbs_private
*priv
, unsigned long extra
,
55 struct cmd_header
*resp
)
62 * @brief Checks whether a command is allowed in Power Save mode
64 * @param command the command ID
65 * @return 1 if allowed, 0 if not allowed
67 static u8
is_command_allowed_in_ps(u16 cmd
)
79 * @brief Updates the hardware details like MAC address and regulatory region
81 * @param priv A pointer to struct lbs_private structure
83 * @return 0 on success, error on failure
85 int lbs_update_hw_spec(struct lbs_private
*priv
)
87 struct cmd_ds_get_hw_spec cmd
;
91 lbs_deb_enter(LBS_DEB_CMD
);
93 memset(&cmd
, 0, sizeof(cmd
));
94 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
95 memcpy(cmd
.permanentaddr
, priv
->current_addr
, ETH_ALEN
);
96 ret
= lbs_cmd_with_response(priv
, CMD_GET_HW_SPEC
, &cmd
);
100 priv
->fwcapinfo
= le32_to_cpu(cmd
.fwcapinfo
);
102 /* The firmware release is in an interesting format: the patch
103 * level is in the most significant nibble ... so fix that: */
104 priv
->fwrelease
= le32_to_cpu(cmd
.fwrelease
);
105 priv
->fwrelease
= (priv
->fwrelease
<< 8) |
106 (priv
->fwrelease
>> 24 & 0xff);
108 /* Some firmware capabilities:
109 * CF card firmware 5.0.16p0: cap 0x00000303
110 * USB dongle firmware 5.110.17p2: cap 0x00000303
112 lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
114 priv
->fwrelease
>> 24 & 0xff,
115 priv
->fwrelease
>> 16 & 0xff,
116 priv
->fwrelease
>> 8 & 0xff,
117 priv
->fwrelease
& 0xff,
119 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
120 cmd
.hwifversion
, cmd
.version
);
122 /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
123 /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
124 /* 5.110.22 have mesh command with 0xa3 command id */
125 /* 10.0.0.p0 FW brings in mesh config command with different id */
126 /* Check FW version MSB and initialize mesh_fw_ver */
127 if (MRVL_FW_MAJOR_REV(priv
->fwrelease
) == MRVL_FW_V5
)
128 priv
->mesh_fw_ver
= MESH_FW_OLD
;
129 else if ((MRVL_FW_MAJOR_REV(priv
->fwrelease
) >= MRVL_FW_V10
) &&
130 (priv
->fwcapinfo
& MESH_CAPINFO_ENABLE_MASK
))
131 priv
->mesh_fw_ver
= MESH_FW_NEW
;
133 priv
->mesh_fw_ver
= MESH_NONE
;
135 /* Clamp region code to 8-bit since FW spec indicates that it should
136 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
137 * returns non-zero high 8 bits here.
139 priv
->regioncode
= le16_to_cpu(cmd
.regioncode
) & 0xFF;
141 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
142 /* use the region code to search for the index */
143 if (priv
->regioncode
== lbs_region_code_to_index
[i
])
147 /* if it's unidentified region code, use the default (USA) */
148 if (i
>= MRVDRV_MAX_REGION_CODE
) {
149 priv
->regioncode
= 0x10;
150 lbs_pr_info("unidentified region code; using the default (USA)\n");
153 if (priv
->current_addr
[0] == 0xff)
154 memmove(priv
->current_addr
, cmd
.permanentaddr
, ETH_ALEN
);
156 memcpy(priv
->dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
158 memcpy(priv
->mesh_dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
160 if (lbs_set_regiontable(priv
, priv
->regioncode
, 0)) {
165 if (lbs_set_universaltable(priv
, 0)) {
171 lbs_deb_leave(LBS_DEB_CMD
);
175 int lbs_host_sleep_cfg(struct lbs_private
*priv
, uint32_t criteria
,
176 struct wol_config
*p_wol_config
)
178 struct cmd_ds_host_sleep cmd_config
;
181 cmd_config
.hdr
.size
= cpu_to_le16(sizeof(cmd_config
));
182 cmd_config
.criteria
= cpu_to_le32(criteria
);
183 cmd_config
.gpio
= priv
->wol_gpio
;
184 cmd_config
.gap
= priv
->wol_gap
;
186 if (p_wol_config
!= NULL
)
187 memcpy((uint8_t *)&cmd_config
.wol_conf
, (uint8_t *)p_wol_config
,
188 sizeof(struct wol_config
));
190 cmd_config
.wol_conf
.action
= CMD_ACT_ACTION_NONE
;
192 ret
= lbs_cmd_with_response(priv
, CMD_802_11_HOST_SLEEP_CFG
, &cmd_config
);
195 lbs_deb_cmd("Set WOL criteria to %x\n", criteria
);
196 priv
->wol_criteria
= criteria
;
198 memcpy((uint8_t *) p_wol_config
,
199 (uint8_t *)&cmd_config
.wol_conf
,
200 sizeof(struct wol_config
));
202 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret
);
207 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg
);
209 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command
*cmd
,
212 struct cmd_ds_802_11_ps_mode
*psm
= &cmd
->params
.psmode
;
214 lbs_deb_enter(LBS_DEB_CMD
);
216 cmd
->command
= cpu_to_le16(CMD_802_11_PS_MODE
);
217 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode
) +
219 psm
->action
= cpu_to_le16(cmd_action
);
220 psm
->multipledtim
= 0;
221 switch (cmd_action
) {
222 case CMD_SUBCMD_ENTER_PS
:
223 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
225 psm
->locallisteninterval
= 0;
226 psm
->nullpktinterval
= 0;
228 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM
);
231 case CMD_SUBCMD_EXIT_PS
:
232 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
235 case CMD_SUBCMD_SLEEP_CONFIRMED
:
236 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
243 lbs_deb_leave(LBS_DEB_CMD
);
247 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private
*priv
,
248 uint16_t cmd_action
, uint16_t *timeout
)
250 struct cmd_ds_802_11_inactivity_timeout cmd
;
253 lbs_deb_enter(LBS_DEB_CMD
);
255 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT
);
256 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
258 cmd
.action
= cpu_to_le16(cmd_action
);
260 if (cmd_action
== CMD_ACT_SET
)
261 cmd
.timeout
= cpu_to_le16(*timeout
);
265 ret
= lbs_cmd_with_response(priv
, CMD_802_11_INACTIVITY_TIMEOUT
, &cmd
);
268 *timeout
= le16_to_cpu(cmd
.timeout
);
270 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
274 int lbs_cmd_802_11_sleep_params(struct lbs_private
*priv
, uint16_t cmd_action
,
275 struct sleep_params
*sp
)
277 struct cmd_ds_802_11_sleep_params cmd
;
280 lbs_deb_enter(LBS_DEB_CMD
);
282 if (cmd_action
== CMD_ACT_GET
) {
283 memset(&cmd
, 0, sizeof(cmd
));
285 cmd
.error
= cpu_to_le16(sp
->sp_error
);
286 cmd
.offset
= cpu_to_le16(sp
->sp_offset
);
287 cmd
.stabletime
= cpu_to_le16(sp
->sp_stabletime
);
288 cmd
.calcontrol
= sp
->sp_calcontrol
;
289 cmd
.externalsleepclk
= sp
->sp_extsleepclk
;
290 cmd
.reserved
= cpu_to_le16(sp
->sp_reserved
);
292 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
293 cmd
.action
= cpu_to_le16(cmd_action
);
295 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SLEEP_PARAMS
, &cmd
);
298 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
299 "calcontrol 0x%x extsleepclk 0x%x\n",
300 le16_to_cpu(cmd
.error
), le16_to_cpu(cmd
.offset
),
301 le16_to_cpu(cmd
.stabletime
), cmd
.calcontrol
,
302 cmd
.externalsleepclk
);
304 sp
->sp_error
= le16_to_cpu(cmd
.error
);
305 sp
->sp_offset
= le16_to_cpu(cmd
.offset
);
306 sp
->sp_stabletime
= le16_to_cpu(cmd
.stabletime
);
307 sp
->sp_calcontrol
= cmd
.calcontrol
;
308 sp
->sp_extsleepclk
= cmd
.externalsleepclk
;
309 sp
->sp_reserved
= le16_to_cpu(cmd
.reserved
);
312 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
316 int lbs_cmd_802_11_set_wep(struct lbs_private
*priv
, uint16_t cmd_action
,
317 struct assoc_request
*assoc
)
319 struct cmd_ds_802_11_set_wep cmd
;
322 lbs_deb_enter(LBS_DEB_CMD
);
324 memset(&cmd
, 0, sizeof(cmd
));
325 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_SET_WEP
);
326 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
328 cmd
.action
= cpu_to_le16(cmd_action
);
330 if (cmd_action
== CMD_ACT_ADD
) {
333 /* default tx key index */
334 cmd
.keyindex
= cpu_to_le16(assoc
->wep_tx_keyidx
&
335 CMD_WEP_KEY_INDEX_MASK
);
337 /* Copy key types and material to host command structure */
338 for (i
= 0; i
< 4; i
++) {
339 struct enc_key
*pkey
= &assoc
->wep_keys
[i
];
343 cmd
.keytype
[i
] = CMD_TYPE_WEP_40_BIT
;
344 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
345 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i
);
347 case KEY_LEN_WEP_104
:
348 cmd
.keytype
[i
] = CMD_TYPE_WEP_104_BIT
;
349 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
350 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i
);
355 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
362 } else if (cmd_action
== CMD_ACT_REMOVE
) {
363 /* ACT_REMOVE clears _all_ WEP keys */
365 /* default tx key index */
366 cmd
.keyindex
= cpu_to_le16(priv
->wep_tx_keyidx
&
367 CMD_WEP_KEY_INDEX_MASK
);
368 lbs_deb_cmd("SET_WEP: remove key %d\n", priv
->wep_tx_keyidx
);
371 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SET_WEP
, &cmd
);
373 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
377 int lbs_cmd_802_11_enable_rsn(struct lbs_private
*priv
, uint16_t cmd_action
,
380 struct cmd_ds_802_11_enable_rsn cmd
;
383 lbs_deb_enter(LBS_DEB_CMD
);
385 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
386 cmd
.action
= cpu_to_le16(cmd_action
);
388 if (cmd_action
== CMD_ACT_GET
)
392 cmd
.enable
= cpu_to_le16(CMD_ENABLE_RSN
);
394 cmd
.enable
= cpu_to_le16(CMD_DISABLE_RSN
);
395 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable
);
398 ret
= lbs_cmd_with_response(priv
, CMD_802_11_ENABLE_RSN
, &cmd
);
399 if (!ret
&& cmd_action
== CMD_ACT_GET
)
400 *enable
= le16_to_cpu(cmd
.enable
);
402 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
406 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet
*keyparam
,
409 lbs_deb_enter(LBS_DEB_CMD
);
411 if (key
->flags
& KEY_INFO_WPA_ENABLED
)
412 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_ENABLED
);
413 if (key
->flags
& KEY_INFO_WPA_UNICAST
)
414 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_UNICAST
);
415 if (key
->flags
& KEY_INFO_WPA_MCAST
)
416 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_MCAST
);
418 keyparam
->type
= cpu_to_le16(TLV_TYPE_KEY_MATERIAL
);
419 keyparam
->keytypeid
= cpu_to_le16(key
->type
);
420 keyparam
->keylen
= cpu_to_le16(key
->len
);
421 memcpy(keyparam
->key
, key
->key
, key
->len
);
423 /* Length field doesn't include the {type,length} header */
424 keyparam
->length
= cpu_to_le16(sizeof(*keyparam
) - 4);
425 lbs_deb_leave(LBS_DEB_CMD
);
428 int lbs_cmd_802_11_key_material(struct lbs_private
*priv
, uint16_t cmd_action
,
429 struct assoc_request
*assoc
)
431 struct cmd_ds_802_11_key_material cmd
;
435 lbs_deb_enter(LBS_DEB_CMD
);
437 cmd
.action
= cpu_to_le16(cmd_action
);
438 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
440 if (cmd_action
== CMD_ACT_GET
) {
441 cmd
.hdr
.size
= cpu_to_le16(S_DS_GEN
+ 2);
443 memset(cmd
.keyParamSet
, 0, sizeof(cmd
.keyParamSet
));
445 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY
, &assoc
->flags
)) {
446 set_one_wpa_key(&cmd
.keyParamSet
[index
],
447 &assoc
->wpa_unicast_key
);
451 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY
, &assoc
->flags
)) {
452 set_one_wpa_key(&cmd
.keyParamSet
[index
],
453 &assoc
->wpa_mcast_key
);
457 /* The common header and as many keys as we included */
458 cmd
.hdr
.size
= cpu_to_le16(offsetof(typeof(cmd
),
459 keyParamSet
[index
]));
461 ret
= lbs_cmd_with_response(priv
, CMD_802_11_KEY_MATERIAL
, &cmd
);
462 /* Copy the returned key to driver private data */
463 if (!ret
&& cmd_action
== CMD_ACT_GET
) {
464 void *buf_ptr
= cmd
.keyParamSet
;
465 void *resp_end
= &(&cmd
)[1];
467 while (buf_ptr
< resp_end
) {
468 struct MrvlIEtype_keyParamSet
*keyparam
= buf_ptr
;
470 uint16_t param_set_len
= le16_to_cpu(keyparam
->length
);
471 uint16_t key_len
= le16_to_cpu(keyparam
->keylen
);
472 uint16_t key_flags
= le16_to_cpu(keyparam
->keyinfo
);
473 uint16_t key_type
= le16_to_cpu(keyparam
->keytypeid
);
476 end
= (void *)keyparam
+ sizeof(keyparam
->type
)
477 + sizeof(keyparam
->length
) + param_set_len
;
479 /* Make sure we don't access past the end of the IEs */
483 if (key_flags
& KEY_INFO_WPA_UNICAST
)
484 key
= &priv
->wpa_unicast_key
;
485 else if (key_flags
& KEY_INFO_WPA_MCAST
)
486 key
= &priv
->wpa_mcast_key
;
490 /* Copy returned key into driver */
491 memset(key
, 0, sizeof(struct enc_key
));
492 if (key_len
> sizeof(key
->key
))
494 key
->type
= key_type
;
495 key
->flags
= key_flags
;
497 memcpy(key
->key
, keyparam
->key
, key
->len
);
503 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
508 * @brief Set an SNMP MIB value
510 * @param priv A pointer to struct lbs_private structure
511 * @param oid The OID to set in the firmware
512 * @param val Value to set the OID to
514 * @return 0 on success, error on failure
516 int lbs_set_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16 val
)
518 struct cmd_ds_802_11_snmp_mib cmd
;
521 lbs_deb_enter(LBS_DEB_CMD
);
523 memset(&cmd
, 0, sizeof (cmd
));
524 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
525 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
526 cmd
.oid
= cpu_to_le16((u16
) oid
);
529 case SNMP_MIB_OID_BSS_TYPE
:
530 cmd
.bufsize
= cpu_to_le16(sizeof(u8
));
531 cmd
.value
[0] = (val
== IW_MODE_ADHOC
) ? 2 : 1;
533 case SNMP_MIB_OID_11D_ENABLE
:
534 case SNMP_MIB_OID_FRAG_THRESHOLD
:
535 case SNMP_MIB_OID_RTS_THRESHOLD
:
536 case SNMP_MIB_OID_SHORT_RETRY_LIMIT
:
537 case SNMP_MIB_OID_LONG_RETRY_LIMIT
:
538 cmd
.bufsize
= cpu_to_le16(sizeof(u16
));
539 *((__le16
*)(&cmd
.value
)) = cpu_to_le16(val
);
542 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid
);
547 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
548 le16_to_cpu(cmd
.oid
), le16_to_cpu(cmd
.bufsize
), val
);
550 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
553 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
558 * @brief Get an SNMP MIB value
560 * @param priv A pointer to struct lbs_private structure
561 * @param oid The OID to retrieve from the firmware
562 * @param out_val Location for the returned value
564 * @return 0 on success, error on failure
566 int lbs_get_snmp_mib(struct lbs_private
*priv
, u32 oid
, u16
*out_val
)
568 struct cmd_ds_802_11_snmp_mib cmd
;
571 lbs_deb_enter(LBS_DEB_CMD
);
573 memset(&cmd
, 0, sizeof (cmd
));
574 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
575 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
576 cmd
.oid
= cpu_to_le16(oid
);
578 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SNMP_MIB
, &cmd
);
582 switch (le16_to_cpu(cmd
.bufsize
)) {
584 if (oid
== SNMP_MIB_OID_BSS_TYPE
) {
585 if (cmd
.value
[0] == 2)
586 *out_val
= IW_MODE_ADHOC
;
588 *out_val
= IW_MODE_INFRA
;
590 *out_val
= cmd
.value
[0];
593 *out_val
= le16_to_cpu(*((__le16
*)(&cmd
.value
)));
596 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
597 oid
, le16_to_cpu(cmd
.bufsize
));
602 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
607 * @brief Get the min, max, and current TX power
609 * @param priv A pointer to struct lbs_private structure
610 * @param curlevel Current power level in dBm
611 * @param minlevel Minimum supported power level in dBm (optional)
612 * @param maxlevel Maximum supported power level in dBm (optional)
614 * @return 0 on success, error on failure
616 int lbs_get_tx_power(struct lbs_private
*priv
, s16
*curlevel
, s16
*minlevel
,
619 struct cmd_ds_802_11_rf_tx_power cmd
;
622 lbs_deb_enter(LBS_DEB_CMD
);
624 memset(&cmd
, 0, sizeof(cmd
));
625 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
626 cmd
.action
= cpu_to_le16(CMD_ACT_GET
);
628 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
630 *curlevel
= le16_to_cpu(cmd
.curlevel
);
632 *minlevel
= cmd
.minlevel
;
634 *maxlevel
= cmd
.maxlevel
;
637 lbs_deb_leave(LBS_DEB_CMD
);
642 * @brief Set the TX power
644 * @param priv A pointer to struct lbs_private structure
645 * @param dbm The desired power level in dBm
647 * @return 0 on success, error on failure
649 int lbs_set_tx_power(struct lbs_private
*priv
, s16 dbm
)
651 struct cmd_ds_802_11_rf_tx_power cmd
;
654 lbs_deb_enter(LBS_DEB_CMD
);
656 memset(&cmd
, 0, sizeof(cmd
));
657 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
658 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
659 cmd
.curlevel
= cpu_to_le16(dbm
);
661 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm
);
663 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_TX_POWER
, &cmd
);
665 lbs_deb_leave(LBS_DEB_CMD
);
669 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command
*cmd
,
670 u16 cmd_action
, void *pdata_buf
)
672 struct cmd_ds_802_11_monitor_mode
*monitor
= &cmd
->params
.monitor
;
674 cmd
->command
= cpu_to_le16(CMD_802_11_MONITOR_MODE
);
676 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode
) +
679 monitor
->action
= cpu_to_le16(cmd_action
);
680 if (cmd_action
== CMD_ACT_SET
) {
682 cpu_to_le16((u16
) (*(u32
*) pdata_buf
));
688 static __le16
lbs_rate_to_fw_bitmap(int rate
, int lower_rates_ok
)
708 int i
= lbs_data_rate_to_fw_index(rate
);
710 ratemask
= (0x1fef >> (12 - i
));
713 return cpu_to_le16(ratemask
);
716 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private
*priv
,
719 struct cmd_ds_802_11_rate_adapt_rateset cmd
;
722 lbs_deb_enter(LBS_DEB_CMD
);
724 if (!priv
->cur_rate
&& !priv
->enablehwauto
)
727 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
729 cmd
.action
= cpu_to_le16(cmd_action
);
730 cmd
.enablehwauto
= cpu_to_le16(priv
->enablehwauto
);
731 cmd
.bitmap
= lbs_rate_to_fw_bitmap(priv
->cur_rate
, priv
->enablehwauto
);
732 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RATE_ADAPT_RATESET
, &cmd
);
733 if (!ret
&& cmd_action
== CMD_ACT_GET
) {
734 priv
->ratebitmap
= le16_to_cpu(cmd
.bitmap
);
735 priv
->enablehwauto
= le16_to_cpu(cmd
.enablehwauto
);
738 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
741 EXPORT_SYMBOL_GPL(lbs_cmd_802_11_rate_adapt_rateset
);
744 * @brief Set the data rate
746 * @param priv A pointer to struct lbs_private structure
747 * @param rate The desired data rate, or 0 to clear a locked rate
749 * @return 0 on success, error on failure
751 int lbs_set_data_rate(struct lbs_private
*priv
, u8 rate
)
753 struct cmd_ds_802_11_data_rate cmd
;
756 lbs_deb_enter(LBS_DEB_CMD
);
758 memset(&cmd
, 0, sizeof(cmd
));
759 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
762 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE
);
763 cmd
.rates
[0] = lbs_data_rate_to_fw_index(rate
);
764 if (cmd
.rates
[0] == 0) {
765 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
770 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd
.rates
[0]);
772 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_AUTO
);
773 lbs_deb_cmd("DATA_RATE: setting auto\n");
776 ret
= lbs_cmd_with_response(priv
, CMD_802_11_DATA_RATE
, &cmd
);
780 lbs_deb_hex(LBS_DEB_CMD
, "DATA_RATE_RESP", (u8
*) &cmd
, sizeof (cmd
));
782 /* FIXME: get actual rates FW can do if this command actually returns
783 * all data rates supported.
785 priv
->cur_rate
= lbs_fw_index_to_data_rate(cmd
.rates
[0]);
786 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv
->cur_rate
);
789 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
794 * @brief Get the radio channel
796 * @param priv A pointer to struct lbs_private structure
798 * @return The channel on success, error on failure
800 int lbs_get_channel(struct lbs_private
*priv
)
802 struct cmd_ds_802_11_rf_channel cmd
;
805 lbs_deb_enter(LBS_DEB_CMD
);
807 memset(&cmd
, 0, sizeof(cmd
));
808 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
809 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET
);
811 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
815 ret
= le16_to_cpu(cmd
.channel
);
816 lbs_deb_cmd("current radio channel is %d\n", ret
);
819 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
823 int lbs_update_channel(struct lbs_private
*priv
)
827 /* the channel in f/w could be out of sync; get the current channel */
828 lbs_deb_enter(LBS_DEB_ASSOC
);
830 ret
= lbs_get_channel(priv
);
832 priv
->curbssparams
.channel
= ret
;
835 lbs_deb_leave_args(LBS_DEB_ASSOC
, "ret %d", ret
);
840 * @brief Set the radio channel
842 * @param priv A pointer to struct lbs_private structure
843 * @param channel The desired channel, or 0 to clear a locked channel
845 * @return 0 on success, error on failure
847 int lbs_set_channel(struct lbs_private
*priv
, u8 channel
)
849 struct cmd_ds_802_11_rf_channel cmd
;
851 u8 old_channel
= priv
->curbssparams
.channel
;
855 lbs_deb_enter(LBS_DEB_CMD
);
857 memset(&cmd
, 0, sizeof(cmd
));
858 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
859 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET
);
860 cmd
.channel
= cpu_to_le16(channel
);
862 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
866 priv
->curbssparams
.channel
= (uint8_t) le16_to_cpu(cmd
.channel
);
867 lbs_deb_cmd("channel switch from %d to %d\n", old_channel
,
868 priv
->curbssparams
.channel
);
871 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
875 static int lbs_cmd_802_11_rssi(struct lbs_private
*priv
,
876 struct cmd_ds_command
*cmd
)
879 lbs_deb_enter(LBS_DEB_CMD
);
880 cmd
->command
= cpu_to_le16(CMD_802_11_RSSI
);
881 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi
) + S_DS_GEN
);
882 cmd
->params
.rssi
.N
= cpu_to_le16(DEFAULT_BCN_AVG_FACTOR
);
884 /* reset Beacon SNR/NF/RSSI values */
885 priv
->SNR
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
886 priv
->SNR
[TYPE_BEACON
][TYPE_AVG
] = 0;
887 priv
->NF
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
888 priv
->NF
[TYPE_BEACON
][TYPE_AVG
] = 0;
889 priv
->RSSI
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
890 priv
->RSSI
[TYPE_BEACON
][TYPE_AVG
] = 0;
892 lbs_deb_leave(LBS_DEB_CMD
);
896 static int lbs_cmd_reg_access(struct cmd_ds_command
*cmdptr
,
897 u8 cmd_action
, void *pdata_buf
)
899 struct lbs_offset_value
*offval
;
901 lbs_deb_enter(LBS_DEB_CMD
);
903 offval
= (struct lbs_offset_value
*)pdata_buf
;
905 switch (le16_to_cpu(cmdptr
->command
)) {
906 case CMD_MAC_REG_ACCESS
:
908 struct cmd_ds_mac_reg_access
*macreg
;
911 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access
)
914 (struct cmd_ds_mac_reg_access
*)&cmdptr
->params
.
917 macreg
->action
= cpu_to_le16(cmd_action
);
918 macreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
919 macreg
->value
= cpu_to_le32(offval
->value
);
924 case CMD_BBP_REG_ACCESS
:
926 struct cmd_ds_bbp_reg_access
*bbpreg
;
930 (struct cmd_ds_bbp_reg_access
)
933 (struct cmd_ds_bbp_reg_access
*)&cmdptr
->params
.
936 bbpreg
->action
= cpu_to_le16(cmd_action
);
937 bbpreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
938 bbpreg
->value
= (u8
) offval
->value
;
943 case CMD_RF_REG_ACCESS
:
945 struct cmd_ds_rf_reg_access
*rfreg
;
949 (struct cmd_ds_rf_reg_access
) +
952 (struct cmd_ds_rf_reg_access
*)&cmdptr
->params
.
955 rfreg
->action
= cpu_to_le16(cmd_action
);
956 rfreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
957 rfreg
->value
= (u8
) offval
->value
;
966 lbs_deb_leave(LBS_DEB_CMD
);
970 static int lbs_cmd_bt_access(struct cmd_ds_command
*cmd
,
971 u16 cmd_action
, void *pdata_buf
)
973 struct cmd_ds_bt_access
*bt_access
= &cmd
->params
.bt
;
974 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
976 cmd
->command
= cpu_to_le16(CMD_BT_ACCESS
);
977 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_bt_access
) + S_DS_GEN
);
979 bt_access
->action
= cpu_to_le16(cmd_action
);
981 switch (cmd_action
) {
982 case CMD_ACT_BT_ACCESS_ADD
:
983 memcpy(bt_access
->addr1
, pdata_buf
, 2 * ETH_ALEN
);
984 lbs_deb_hex(LBS_DEB_MESH
, "BT_ADD: blinded MAC addr", bt_access
->addr1
, 6);
986 case CMD_ACT_BT_ACCESS_DEL
:
987 memcpy(bt_access
->addr1
, pdata_buf
, 1 * ETH_ALEN
);
988 lbs_deb_hex(LBS_DEB_MESH
, "BT_DEL: blinded MAC addr", bt_access
->addr1
, 6);
990 case CMD_ACT_BT_ACCESS_LIST
:
991 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
993 case CMD_ACT_BT_ACCESS_RESET
:
995 case CMD_ACT_BT_ACCESS_SET_INVERT
:
996 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
998 case CMD_ACT_BT_ACCESS_GET_INVERT
:
1003 lbs_deb_leave(LBS_DEB_CMD
);
1007 static int lbs_cmd_fwt_access(struct cmd_ds_command
*cmd
,
1008 u16 cmd_action
, void *pdata_buf
)
1010 struct cmd_ds_fwt_access
*fwt_access
= &cmd
->params
.fwt
;
1011 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1013 cmd
->command
= cpu_to_le16(CMD_FWT_ACCESS
);
1014 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_fwt_access
) + S_DS_GEN
);
1018 memcpy(fwt_access
, pdata_buf
, sizeof(*fwt_access
));
1020 memset(fwt_access
, 0, sizeof(*fwt_access
));
1022 fwt_access
->action
= cpu_to_le16(cmd_action
);
1024 lbs_deb_leave(LBS_DEB_CMD
);
1028 int lbs_mesh_access(struct lbs_private
*priv
, uint16_t cmd_action
,
1029 struct cmd_ds_mesh_access
*cmd
)
1033 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1035 cmd
->hdr
.command
= cpu_to_le16(CMD_MESH_ACCESS
);
1036 cmd
->hdr
.size
= cpu_to_le16(sizeof(*cmd
));
1037 cmd
->hdr
.result
= 0;
1039 cmd
->action
= cpu_to_le16(cmd_action
);
1041 ret
= lbs_cmd_with_response(priv
, CMD_MESH_ACCESS
, cmd
);
1043 lbs_deb_leave(LBS_DEB_CMD
);
1047 static int __lbs_mesh_config_send(struct lbs_private
*priv
,
1048 struct cmd_ds_mesh_config
*cmd
,
1049 uint16_t action
, uint16_t type
)
1052 u16 command
= CMD_MESH_CONFIG_OLD
;
1054 lbs_deb_enter(LBS_DEB_CMD
);
1057 * Command id is 0xac for v10 FW along with mesh interface
1058 * id in bits 14-13-12.
1060 if (priv
->mesh_fw_ver
== MESH_FW_NEW
)
1061 command
= CMD_MESH_CONFIG
|
1062 (MESH_IFACE_ID
<< MESH_IFACE_BIT_OFFSET
);
1064 cmd
->hdr
.command
= cpu_to_le16(command
);
1065 cmd
->hdr
.size
= cpu_to_le16(sizeof(struct cmd_ds_mesh_config
));
1066 cmd
->hdr
.result
= 0;
1068 cmd
->type
= cpu_to_le16(type
);
1069 cmd
->action
= cpu_to_le16(action
);
1071 ret
= lbs_cmd_with_response(priv
, command
, cmd
);
1073 lbs_deb_leave(LBS_DEB_CMD
);
1077 int lbs_mesh_config_send(struct lbs_private
*priv
,
1078 struct cmd_ds_mesh_config
*cmd
,
1079 uint16_t action
, uint16_t type
)
1083 if (!(priv
->fwcapinfo
& FW_CAPINFO_PERSISTENT_CONFIG
))
1086 ret
= __lbs_mesh_config_send(priv
, cmd
, action
, type
);
1090 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
1091 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
1092 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
1093 * lbs_mesh_config_send.
1095 int lbs_mesh_config(struct lbs_private
*priv
, uint16_t action
, uint16_t chan
)
1097 struct cmd_ds_mesh_config cmd
;
1098 struct mrvl_meshie
*ie
;
1099 DECLARE_SSID_BUF(ssid
);
1101 memset(&cmd
, 0, sizeof(cmd
));
1102 cmd
.channel
= cpu_to_le16(chan
);
1103 ie
= (struct mrvl_meshie
*)cmd
.data
;
1106 case CMD_ACT_MESH_CONFIG_START
:
1107 ie
->id
= WLAN_EID_GENERIC
;
1108 ie
->val
.oui
[0] = 0x00;
1109 ie
->val
.oui
[1] = 0x50;
1110 ie
->val
.oui
[2] = 0x43;
1111 ie
->val
.type
= MARVELL_MESH_IE_TYPE
;
1112 ie
->val
.subtype
= MARVELL_MESH_IE_SUBTYPE
;
1113 ie
->val
.version
= MARVELL_MESH_IE_VERSION
;
1114 ie
->val
.active_protocol_id
= MARVELL_MESH_PROTO_ID_HWMP
;
1115 ie
->val
.active_metric_id
= MARVELL_MESH_METRIC_ID
;
1116 ie
->val
.mesh_capability
= MARVELL_MESH_CAPABILITY
;
1117 ie
->val
.mesh_id_len
= priv
->mesh_ssid_len
;
1118 memcpy(ie
->val
.mesh_id
, priv
->mesh_ssid
, priv
->mesh_ssid_len
);
1119 ie
->len
= sizeof(struct mrvl_meshie_val
) -
1120 IW_ESSID_MAX_SIZE
+ priv
->mesh_ssid_len
;
1121 cmd
.length
= cpu_to_le16(sizeof(struct mrvl_meshie_val
));
1123 case CMD_ACT_MESH_CONFIG_STOP
:
1128 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
1129 action
, priv
->mesh_tlv
, chan
,
1130 print_ssid(ssid
, priv
->mesh_ssid
, priv
->mesh_ssid_len
));
1132 return __lbs_mesh_config_send(priv
, &cmd
, action
, priv
->mesh_tlv
);
1135 static int lbs_cmd_bcn_ctrl(struct lbs_private
* priv
,
1136 struct cmd_ds_command
*cmd
,
1139 struct cmd_ds_802_11_beacon_control
1140 *bcn_ctrl
= &cmd
->params
.bcn_ctrl
;
1142 lbs_deb_enter(LBS_DEB_CMD
);
1144 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control
)
1146 cmd
->command
= cpu_to_le16(CMD_802_11_BEACON_CTRL
);
1148 bcn_ctrl
->action
= cpu_to_le16(cmd_action
);
1149 bcn_ctrl
->beacon_enable
= cpu_to_le16(priv
->beacon_enable
);
1150 bcn_ctrl
->beacon_period
= cpu_to_le16(priv
->beacon_period
);
1152 lbs_deb_leave(LBS_DEB_CMD
);
1156 static void lbs_queue_cmd(struct lbs_private
*priv
,
1157 struct cmd_ctrl_node
*cmdnode
)
1159 unsigned long flags
;
1162 lbs_deb_enter(LBS_DEB_HOST
);
1165 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1168 if (!cmdnode
->cmdbuf
->size
) {
1169 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1172 cmdnode
->result
= 0;
1174 /* Exit_PS command needs to be queued in the header always. */
1175 if (le16_to_cpu(cmdnode
->cmdbuf
->command
) == CMD_802_11_PS_MODE
) {
1176 struct cmd_ds_802_11_ps_mode
*psm
= (void *) &cmdnode
->cmdbuf
[1];
1178 if (psm
->action
== cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1179 if (priv
->psstate
!= PS_STATE_FULL_POWER
)
1184 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1187 list_add_tail(&cmdnode
->list
, &priv
->cmdpendingq
);
1189 list_add(&cmdnode
->list
, &priv
->cmdpendingq
);
1191 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1193 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1194 le16_to_cpu(cmdnode
->cmdbuf
->command
));
1197 lbs_deb_leave(LBS_DEB_HOST
);
1200 static void lbs_submit_command(struct lbs_private
*priv
,
1201 struct cmd_ctrl_node
*cmdnode
)
1203 unsigned long flags
;
1204 struct cmd_header
*cmd
;
1210 lbs_deb_enter(LBS_DEB_HOST
);
1212 cmd
= cmdnode
->cmdbuf
;
1214 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1215 priv
->cur_cmd
= cmdnode
;
1216 priv
->cur_cmd_retcode
= 0;
1217 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1219 cmdsize
= le16_to_cpu(cmd
->size
);
1220 command
= le16_to_cpu(cmd
->command
);
1222 /* These commands take longer */
1223 if (command
== CMD_802_11_SCAN
|| command
== CMD_802_11_ASSOCIATE
)
1226 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1227 command
, le16_to_cpu(cmd
->seqnum
), cmdsize
);
1228 lbs_deb_hex(LBS_DEB_CMD
, "DNLD_CMD", (void *) cmdnode
->cmdbuf
, cmdsize
);
1230 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) cmd
, cmdsize
);
1233 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret
);
1234 /* Let the timer kick in and retry, and potentially reset
1235 the whole thing if the condition persists */
1239 /* Setup the timer after transmit command */
1240 mod_timer(&priv
->command_timer
, jiffies
+ timeo
);
1242 lbs_deb_leave(LBS_DEB_HOST
);
1246 * This function inserts command node to cmdfreeq
1247 * after cleans it. Requires priv->driver_lock held.
1249 static void __lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1250 struct cmd_ctrl_node
*cmdnode
)
1252 lbs_deb_enter(LBS_DEB_HOST
);
1257 cmdnode
->callback
= NULL
;
1258 cmdnode
->callback_arg
= 0;
1260 memset(cmdnode
->cmdbuf
, 0, LBS_CMD_BUFFER_SIZE
);
1262 list_add_tail(&cmdnode
->list
, &priv
->cmdfreeq
);
1264 lbs_deb_leave(LBS_DEB_HOST
);
1267 static void lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1268 struct cmd_ctrl_node
*ptempcmd
)
1270 unsigned long flags
;
1272 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1273 __lbs_cleanup_and_insert_cmd(priv
, ptempcmd
);
1274 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1277 void lbs_complete_command(struct lbs_private
*priv
, struct cmd_ctrl_node
*cmd
,
1280 if (cmd
== priv
->cur_cmd
)
1281 priv
->cur_cmd_retcode
= result
;
1283 cmd
->result
= result
;
1284 cmd
->cmdwaitqwoken
= 1;
1285 wake_up_interruptible(&cmd
->cmdwait_q
);
1287 if (!cmd
->callback
|| cmd
->callback
== lbs_cmd_async_callback
)
1288 __lbs_cleanup_and_insert_cmd(priv
, cmd
);
1289 priv
->cur_cmd
= NULL
;
1292 int lbs_set_radio(struct lbs_private
*priv
, u8 preamble
, u8 radio_on
)
1294 struct cmd_ds_802_11_radio_control cmd
;
1297 lbs_deb_enter(LBS_DEB_CMD
);
1299 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1300 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1302 /* Only v8 and below support setting the preamble */
1303 if (priv
->fwrelease
< 0x09000000) {
1305 case RADIO_PREAMBLE_SHORT
:
1306 if (!(priv
->capability
& WLAN_CAPABILITY_SHORT_PREAMBLE
))
1309 case RADIO_PREAMBLE_AUTO
:
1310 case RADIO_PREAMBLE_LONG
:
1311 cmd
.control
= cpu_to_le16(preamble
);
1319 cmd
.control
|= cpu_to_le16(0x1);
1321 cmd
.control
&= cpu_to_le16(~0x1);
1322 priv
->txpower_cur
= 0;
1325 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1326 radio_on
? "ON" : "OFF", preamble
);
1328 priv
->radio_on
= radio_on
;
1330 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RADIO_CONTROL
, &cmd
);
1333 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
1337 void lbs_set_mac_control(struct lbs_private
*priv
)
1339 struct cmd_ds_mac_control cmd
;
1341 lbs_deb_enter(LBS_DEB_CMD
);
1343 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1344 cmd
.action
= cpu_to_le16(priv
->mac_control
);
1347 lbs_cmd_async(priv
, CMD_MAC_CONTROL
, &cmd
.hdr
, sizeof(cmd
));
1349 lbs_deb_leave(LBS_DEB_CMD
);
1353 * @brief This function prepare the command before send to firmware.
1355 * @param priv A pointer to struct lbs_private structure
1356 * @param cmd_no command number
1357 * @param cmd_action command action: GET or SET
1358 * @param wait_option wait option: wait response or not
1359 * @param cmd_oid cmd oid: treated as sub command
1360 * @param pdata_buf A pointer to informaion buffer
1363 int lbs_prepare_and_send_command(struct lbs_private
*priv
,
1366 u16 wait_option
, u32 cmd_oid
, void *pdata_buf
)
1369 struct cmd_ctrl_node
*cmdnode
;
1370 struct cmd_ds_command
*cmdptr
;
1371 unsigned long flags
;
1373 lbs_deb_enter(LBS_DEB_HOST
);
1376 lbs_deb_host("PREP_CMD: priv is NULL\n");
1381 if (priv
->surpriseremoved
) {
1382 lbs_deb_host("PREP_CMD: card removed\n");
1387 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
1389 if (cmdnode
== NULL
) {
1390 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1392 /* Wake up main thread to execute next command */
1393 wake_up_interruptible(&priv
->waitq
);
1398 cmdnode
->callback
= NULL
;
1399 cmdnode
->callback_arg
= (unsigned long)pdata_buf
;
1401 cmdptr
= (struct cmd_ds_command
*)cmdnode
->cmdbuf
;
1403 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no
);
1405 /* Set sequence number, command and INT option */
1407 cmdptr
->seqnum
= cpu_to_le16(priv
->seqnum
);
1409 cmdptr
->command
= cpu_to_le16(cmd_no
);
1413 case CMD_802_11_PS_MODE
:
1414 ret
= lbs_cmd_802_11_ps_mode(cmdptr
, cmd_action
);
1417 case CMD_MAC_REG_ACCESS
:
1418 case CMD_BBP_REG_ACCESS
:
1419 case CMD_RF_REG_ACCESS
:
1420 ret
= lbs_cmd_reg_access(cmdptr
, cmd_action
, pdata_buf
);
1423 case CMD_802_11_MONITOR_MODE
:
1424 ret
= lbs_cmd_802_11_monitor_mode(cmdptr
,
1425 cmd_action
, pdata_buf
);
1428 case CMD_802_11_RSSI
:
1429 ret
= lbs_cmd_802_11_rssi(priv
, cmdptr
);
1432 case CMD_802_11_SET_AFC
:
1433 case CMD_802_11_GET_AFC
:
1435 cmdptr
->command
= cpu_to_le16(cmd_no
);
1436 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_afc
) +
1439 memmove(&cmdptr
->params
.afc
,
1440 pdata_buf
, sizeof(struct cmd_ds_802_11_afc
));
1445 case CMD_802_11D_DOMAIN_INFO
:
1446 ret
= lbs_cmd_802_11d_domain_info(priv
, cmdptr
,
1447 cmd_no
, cmd_action
);
1450 case CMD_802_11_TPC_CFG
:
1451 cmdptr
->command
= cpu_to_le16(CMD_802_11_TPC_CFG
);
1453 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg
) +
1456 memmove(&cmdptr
->params
.tpccfg
,
1457 pdata_buf
, sizeof(struct cmd_ds_802_11_tpc_cfg
));
1461 case CMD_802_11_LED_GPIO_CTRL
:
1463 struct mrvl_ie_ledgpio
*gpio
=
1464 (struct mrvl_ie_ledgpio
*)
1465 cmdptr
->params
.ledgpio
.data
;
1467 memmove(&cmdptr
->params
.ledgpio
,
1469 sizeof(struct cmd_ds_802_11_led_ctrl
));
1472 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL
);
1474 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1476 cpu_to_le16(le16_to_cpu(gpio
->header
.len
)
1478 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN
);
1479 gpio
->header
.len
= gpio
->header
.len
;
1486 ret
= lbs_cmd_bt_access(cmdptr
, cmd_action
, pdata_buf
);
1489 case CMD_FWT_ACCESS
:
1490 ret
= lbs_cmd_fwt_access(cmdptr
, cmd_action
, pdata_buf
);
1494 cmdptr
->command
= cpu_to_le16(CMD_GET_TSF
);
1495 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_get_tsf
) +
1499 case CMD_802_11_BEACON_CTRL
:
1500 ret
= lbs_cmd_bcn_ctrl(priv
, cmdptr
, cmd_action
);
1503 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no
);
1508 /* return error, since the command preparation failed */
1510 lbs_deb_host("PREP_CMD: command preparation failed\n");
1511 lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
1516 cmdnode
->cmdwaitqwoken
= 0;
1518 lbs_queue_cmd(priv
, cmdnode
);
1519 wake_up_interruptible(&priv
->waitq
);
1521 if (wait_option
& CMD_OPTION_WAITFORRSP
) {
1522 lbs_deb_host("PREP_CMD: wait for response\n");
1524 wait_event_interruptible(cmdnode
->cmdwait_q
,
1525 cmdnode
->cmdwaitqwoken
);
1528 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1529 if (priv
->cur_cmd_retcode
) {
1530 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1531 priv
->cur_cmd_retcode
);
1532 priv
->cur_cmd_retcode
= 0;
1535 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1538 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1543 * @brief This function allocates the command buffer and link
1544 * it to command free queue.
1546 * @param priv A pointer to struct lbs_private structure
1549 int lbs_allocate_cmd_buffer(struct lbs_private
*priv
)
1554 struct cmd_ctrl_node
*cmdarray
;
1556 lbs_deb_enter(LBS_DEB_HOST
);
1558 /* Allocate and initialize the command array */
1559 bufsize
= sizeof(struct cmd_ctrl_node
) * LBS_NUM_CMD_BUFFERS
;
1560 if (!(cmdarray
= kzalloc(bufsize
, GFP_KERNEL
))) {
1561 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1565 priv
->cmd_array
= cmdarray
;
1567 /* Allocate and initialize each command buffer in the command array */
1568 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1569 cmdarray
[i
].cmdbuf
= kzalloc(LBS_CMD_BUFFER_SIZE
, GFP_KERNEL
);
1570 if (!cmdarray
[i
].cmdbuf
) {
1571 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1577 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1578 init_waitqueue_head(&cmdarray
[i
].cmdwait_q
);
1579 lbs_cleanup_and_insert_cmd(priv
, &cmdarray
[i
]);
1584 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1589 * @brief This function frees the command buffer.
1591 * @param priv A pointer to struct lbs_private structure
1594 int lbs_free_cmd_buffer(struct lbs_private
*priv
)
1596 struct cmd_ctrl_node
*cmdarray
;
1599 lbs_deb_enter(LBS_DEB_HOST
);
1601 /* need to check if cmd array is allocated or not */
1602 if (priv
->cmd_array
== NULL
) {
1603 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1607 cmdarray
= priv
->cmd_array
;
1609 /* Release shared memory buffers */
1610 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1611 if (cmdarray
[i
].cmdbuf
) {
1612 kfree(cmdarray
[i
].cmdbuf
);
1613 cmdarray
[i
].cmdbuf
= NULL
;
1617 /* Release cmd_ctrl_node */
1618 if (priv
->cmd_array
) {
1619 kfree(priv
->cmd_array
);
1620 priv
->cmd_array
= NULL
;
1624 lbs_deb_leave(LBS_DEB_HOST
);
1629 * @brief This function gets a free command node if available in
1630 * command free queue.
1632 * @param priv A pointer to struct lbs_private structure
1633 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1635 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
)
1637 struct cmd_ctrl_node
*tempnode
;
1638 unsigned long flags
;
1640 lbs_deb_enter(LBS_DEB_HOST
);
1645 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1647 if (!list_empty(&priv
->cmdfreeq
)) {
1648 tempnode
= list_first_entry(&priv
->cmdfreeq
,
1649 struct cmd_ctrl_node
, list
);
1650 list_del(&tempnode
->list
);
1652 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1656 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1658 lbs_deb_leave(LBS_DEB_HOST
);
1663 * @brief This function executes next command in command
1664 * pending queue. It will put firmware back to PS mode
1667 * @param priv A pointer to struct lbs_private structure
1670 int lbs_execute_next_command(struct lbs_private
*priv
)
1672 struct cmd_ctrl_node
*cmdnode
= NULL
;
1673 struct cmd_header
*cmd
;
1674 unsigned long flags
;
1677 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1678 * only caller to us is lbs_thread() and we get even when a
1679 * data packet is received */
1680 lbs_deb_enter(LBS_DEB_THREAD
);
1682 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1684 if (priv
->cur_cmd
) {
1685 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1686 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1691 if (!list_empty(&priv
->cmdpendingq
)) {
1692 cmdnode
= list_first_entry(&priv
->cmdpendingq
,
1693 struct cmd_ctrl_node
, list
);
1696 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1699 cmd
= cmdnode
->cmdbuf
;
1701 if (is_command_allowed_in_ps(le16_to_cpu(cmd
->command
))) {
1702 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1703 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1705 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1706 le16_to_cpu(cmd
->command
),
1711 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1712 "0x%04x in psstate %d\n",
1713 le16_to_cpu(cmd
->command
), priv
->psstate
);
1714 } else if (priv
->psstate
!= PS_STATE_FULL_POWER
) {
1716 * 1. Non-PS command:
1717 * Queue it. set needtowakeup to TRUE if current state
1718 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1719 * 2. PS command but not Exit_PS:
1721 * 3. PS command Exit_PS:
1722 * Set needtowakeup to TRUE if current state is SLEEP,
1723 * otherwise send this command down to firmware
1726 if (cmd
->command
!= cpu_to_le16(CMD_802_11_PS_MODE
)) {
1727 /* Prepare to send Exit PS,
1728 * this non PS command will be sent later */
1729 if ((priv
->psstate
== PS_STATE_SLEEP
)
1730 || (priv
->psstate
== PS_STATE_PRE_SLEEP
)
1732 /* w/ new scheme, it will not reach here.
1733 since it is blocked in main_thread. */
1734 priv
->needtowakeup
= 1;
1736 lbs_ps_wakeup(priv
, 0);
1742 * PS command. Ignore it if it is not Exit_PS.
1743 * otherwise send it down immediately.
1745 struct cmd_ds_802_11_ps_mode
*psm
= (void *)&cmd
[1];
1748 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1751 cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1753 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1754 list_del(&cmdnode
->list
);
1755 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1756 lbs_complete_command(priv
, cmdnode
, 0);
1757 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1763 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1764 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1766 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1767 list_del(&cmdnode
->list
);
1768 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1769 lbs_complete_command(priv
, cmdnode
, 0);
1770 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1771 priv
->needtowakeup
= 1;
1778 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1781 list_del(&cmdnode
->list
);
1782 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1783 le16_to_cpu(cmd
->command
));
1784 lbs_submit_command(priv
, cmdnode
);
1787 * check if in power save mode, if yes, put the device back
1790 if ((priv
->psmode
!= LBS802_11POWERMODECAM
) &&
1791 (priv
->psstate
== PS_STATE_FULL_POWER
) &&
1792 ((priv
->connect_status
== LBS_CONNECTED
) ||
1793 (priv
->mesh_connect_status
== LBS_CONNECTED
))) {
1794 if (priv
->secinfo
.WPAenabled
||
1795 priv
->secinfo
.WPA2enabled
) {
1796 /* check for valid WPA group keys */
1797 if (priv
->wpa_mcast_key
.len
||
1798 priv
->wpa_unicast_key
.len
) {
1800 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1801 " go back to PS_SLEEP");
1802 lbs_ps_sleep(priv
, 0);
1806 "EXEC_NEXT_CMD: cmdpendingq empty, "
1807 "go back to PS_SLEEP");
1808 lbs_ps_sleep(priv
, 0);
1815 lbs_deb_leave(LBS_DEB_THREAD
);
1819 void lbs_send_iwevcustom_event(struct lbs_private
*priv
, s8
*str
)
1821 union iwreq_data iwrq
;
1824 lbs_deb_enter(LBS_DEB_WEXT
);
1826 memset(&iwrq
, 0, sizeof(union iwreq_data
));
1827 memset(buf
, 0, sizeof(buf
));
1829 snprintf(buf
, sizeof(buf
) - 1, "%s", str
);
1831 iwrq
.data
.length
= strlen(buf
) + 1 + IW_EV_LCP_LEN
;
1833 /* Send Event to upper layer */
1834 lbs_deb_wext("event indication string %s\n", (char *)buf
);
1835 lbs_deb_wext("event indication length %d\n", iwrq
.data
.length
);
1836 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str
);
1838 wireless_send_event(priv
->dev
, IWEVCUSTOM
, &iwrq
, buf
);
1840 lbs_deb_leave(LBS_DEB_WEXT
);
1843 static void lbs_send_confirmsleep(struct lbs_private
*priv
)
1845 unsigned long flags
;
1848 lbs_deb_enter(LBS_DEB_HOST
);
1849 lbs_deb_hex(LBS_DEB_HOST
, "sleep confirm", (u8
*) &confirm_sleep
,
1850 sizeof(confirm_sleep
));
1852 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) &confirm_sleep
,
1853 sizeof(confirm_sleep
));
1855 lbs_pr_alert("confirm_sleep failed\n");
1859 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1861 /* We don't get a response on the sleep-confirmation */
1862 priv
->dnld_sent
= DNLD_RES_RECEIVED
;
1864 /* If nothing to do, go back to sleep (?) */
1865 if (!__kfifo_len(priv
->event_fifo
) && !priv
->resp_len
[priv
->resp_idx
])
1866 priv
->psstate
= PS_STATE_SLEEP
;
1868 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1871 lbs_deb_leave(LBS_DEB_HOST
);
1874 void lbs_ps_sleep(struct lbs_private
*priv
, int wait_option
)
1876 lbs_deb_enter(LBS_DEB_HOST
);
1879 * PS is currently supported only in Infrastructure mode
1880 * Remove this check if it is to be supported in IBSS mode also
1883 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1884 CMD_SUBCMD_ENTER_PS
, wait_option
, 0, NULL
);
1886 lbs_deb_leave(LBS_DEB_HOST
);
1890 * @brief This function sends Exit_PS command to firmware.
1892 * @param priv A pointer to struct lbs_private structure
1893 * @param wait_option wait response or not
1896 void lbs_ps_wakeup(struct lbs_private
*priv
, int wait_option
)
1900 lbs_deb_enter(LBS_DEB_HOST
);
1902 Localpsmode
= cpu_to_le32(LBS802_11POWERMODECAM
);
1904 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1906 wait_option
, 0, &Localpsmode
);
1908 lbs_deb_leave(LBS_DEB_HOST
);
1912 * @brief This function checks condition and prepares to
1913 * send sleep confirm command to firmware if ok.
1915 * @param priv A pointer to struct lbs_private structure
1916 * @param psmode Power Saving mode
1919 void lbs_ps_confirm_sleep(struct lbs_private
*priv
)
1921 unsigned long flags
=0;
1924 lbs_deb_enter(LBS_DEB_HOST
);
1926 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1927 if (priv
->dnld_sent
) {
1929 lbs_deb_host("dnld_sent was set\n");
1932 /* In-progress command? */
1933 if (priv
->cur_cmd
) {
1935 lbs_deb_host("cur_cmd was set\n");
1938 /* Pending events or command responses? */
1939 if (__kfifo_len(priv
->event_fifo
) || priv
->resp_len
[priv
->resp_idx
]) {
1941 lbs_deb_host("pending events or command responses\n");
1943 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1946 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1947 lbs_send_confirmsleep(priv
);
1949 lbs_deb_host("sleep confirm has been delayed\n");
1952 lbs_deb_leave(LBS_DEB_HOST
);
1957 * @brief Configures the transmission power control functionality.
1959 * @param priv A pointer to struct lbs_private structure
1960 * @param enable Transmission power control enable
1961 * @param p0 Power level when link quality is good (dBm).
1962 * @param p1 Power level when link quality is fair (dBm).
1963 * @param p2 Power level when link quality is poor (dBm).
1964 * @param usesnr Use Signal to Noise Ratio in TPC
1966 * @return 0 on success
1968 int lbs_set_tpc_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
, int8_t p1
,
1969 int8_t p2
, int usesnr
)
1971 struct cmd_ds_802_11_tpc_cfg cmd
;
1974 memset(&cmd
, 0, sizeof(cmd
));
1975 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1976 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1977 cmd
.enable
= !!enable
;
1978 cmd
.usesnr
= !!usesnr
;
1983 ret
= lbs_cmd_with_response(priv
, CMD_802_11_TPC_CFG
, &cmd
);
1989 * @brief Configures the power adaptation settings.
1991 * @param priv A pointer to struct lbs_private structure
1992 * @param enable Power adaptation enable
1993 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1994 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1995 * @param p2 Power level for 48 and 54 Mbps (dBm).
1997 * @return 0 on Success
2000 int lbs_set_power_adapt_cfg(struct lbs_private
*priv
, int enable
, int8_t p0
,
2001 int8_t p1
, int8_t p2
)
2003 struct cmd_ds_802_11_pa_cfg cmd
;
2006 memset(&cmd
, 0, sizeof(cmd
));
2007 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
2008 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
2009 cmd
.enable
= !!enable
;
2014 ret
= lbs_cmd_with_response(priv
, CMD_802_11_PA_CFG
, &cmd
);
2020 static struct cmd_ctrl_node
*__lbs_cmd_async(struct lbs_private
*priv
,
2021 uint16_t command
, struct cmd_header
*in_cmd
, int in_cmd_size
,
2022 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
2023 unsigned long callback_arg
)
2025 struct cmd_ctrl_node
*cmdnode
;
2027 lbs_deb_enter(LBS_DEB_HOST
);
2029 if (priv
->surpriseremoved
) {
2030 lbs_deb_host("PREP_CMD: card removed\n");
2031 cmdnode
= ERR_PTR(-ENOENT
);
2035 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
2036 if (cmdnode
== NULL
) {
2037 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2039 /* Wake up main thread to execute next command */
2040 wake_up_interruptible(&priv
->waitq
);
2041 cmdnode
= ERR_PTR(-ENOBUFS
);
2045 cmdnode
->callback
= callback
;
2046 cmdnode
->callback_arg
= callback_arg
;
2048 /* Copy the incoming command to the buffer */
2049 memcpy(cmdnode
->cmdbuf
, in_cmd
, in_cmd_size
);
2051 /* Set sequence number, clean result, move to buffer */
2053 cmdnode
->cmdbuf
->command
= cpu_to_le16(command
);
2054 cmdnode
->cmdbuf
->size
= cpu_to_le16(in_cmd_size
);
2055 cmdnode
->cmdbuf
->seqnum
= cpu_to_le16(priv
->seqnum
);
2056 cmdnode
->cmdbuf
->result
= 0;
2058 lbs_deb_host("PREP_CMD: command 0x%04x\n", command
);
2060 cmdnode
->cmdwaitqwoken
= 0;
2061 lbs_queue_cmd(priv
, cmdnode
);
2062 wake_up_interruptible(&priv
->waitq
);
2065 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %p", cmdnode
);
2069 void lbs_cmd_async(struct lbs_private
*priv
, uint16_t command
,
2070 struct cmd_header
*in_cmd
, int in_cmd_size
)
2072 lbs_deb_enter(LBS_DEB_CMD
);
2073 __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
2074 lbs_cmd_async_callback
, 0);
2075 lbs_deb_leave(LBS_DEB_CMD
);
2078 int __lbs_cmd(struct lbs_private
*priv
, uint16_t command
,
2079 struct cmd_header
*in_cmd
, int in_cmd_size
,
2080 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
2081 unsigned long callback_arg
)
2083 struct cmd_ctrl_node
*cmdnode
;
2084 unsigned long flags
;
2087 lbs_deb_enter(LBS_DEB_HOST
);
2089 cmdnode
= __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
2090 callback
, callback_arg
);
2091 if (IS_ERR(cmdnode
)) {
2092 ret
= PTR_ERR(cmdnode
);
2097 wait_event_interruptible(cmdnode
->cmdwait_q
, cmdnode
->cmdwaitqwoken
);
2099 spin_lock_irqsave(&priv
->driver_lock
, flags
);
2100 ret
= cmdnode
->result
;
2102 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2105 __lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
2106 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
2109 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
2112 EXPORT_SYMBOL_GPL(__lbs_cmd
);