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>
16 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
);
17 static void lbs_set_cmd_ctrl_node(struct lbs_private
*priv
,
18 struct cmd_ctrl_node
*ptempnode
,
23 * @brief Checks whether a command is allowed in Power Save mode
25 * @param command the command ID
26 * @return 1 if allowed, 0 if not allowed
28 static u8
is_command_allowed_in_ps(u16 cmd
)
40 * @brief Updates the hardware details like MAC address and regulatory region
42 * @param priv A pointer to struct lbs_private structure
44 * @return 0 on success, error on failure
46 int lbs_update_hw_spec(struct lbs_private
*priv
)
48 struct cmd_ds_get_hw_spec cmd
;
53 lbs_deb_enter(LBS_DEB_CMD
);
55 memset(&cmd
, 0, sizeof(cmd
));
56 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
57 memcpy(cmd
.permanentaddr
, priv
->current_addr
, ETH_ALEN
);
58 ret
= lbs_cmd_with_response(priv
, CMD_GET_HW_SPEC
, &cmd
);
62 priv
->fwcapinfo
= le32_to_cpu(cmd
.fwcapinfo
);
64 /* The firmware release is in an interesting format: the patch
65 * level is in the most significant nibble ... so fix that: */
66 priv
->fwrelease
= le32_to_cpu(cmd
.fwrelease
);
67 priv
->fwrelease
= (priv
->fwrelease
<< 8) |
68 (priv
->fwrelease
>> 24 & 0xff);
70 /* Some firmware capabilities:
71 * CF card firmware 5.0.16p0: cap 0x00000303
72 * USB dongle firmware 5.110.17p2: cap 0x00000303
74 printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
75 print_mac(mac
, cmd
.permanentaddr
),
76 priv
->fwrelease
>> 24 & 0xff,
77 priv
->fwrelease
>> 16 & 0xff,
78 priv
->fwrelease
>> 8 & 0xff,
79 priv
->fwrelease
& 0xff,
81 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
82 cmd
.hwifversion
, cmd
.version
);
84 /* Clamp region code to 8-bit since FW spec indicates that it should
85 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
86 * returns non-zero high 8 bits here.
88 priv
->regioncode
= le16_to_cpu(cmd
.regioncode
) & 0xFF;
90 for (i
= 0; i
< MRVDRV_MAX_REGION_CODE
; i
++) {
91 /* use the region code to search for the index */
92 if (priv
->regioncode
== lbs_region_code_to_index
[i
])
96 /* if it's unidentified region code, use the default (USA) */
97 if (i
>= MRVDRV_MAX_REGION_CODE
) {
98 priv
->regioncode
= 0x10;
99 lbs_pr_info("unidentified region code; using the default (USA)\n");
102 if (priv
->current_addr
[0] == 0xff)
103 memmove(priv
->current_addr
, cmd
.permanentaddr
, ETH_ALEN
);
105 memcpy(priv
->dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
107 memcpy(priv
->mesh_dev
->dev_addr
, priv
->current_addr
, ETH_ALEN
);
109 if (lbs_set_regiontable(priv
, priv
->regioncode
, 0)) {
114 if (lbs_set_universaltable(priv
, 0)) {
120 lbs_deb_leave(LBS_DEB_CMD
);
124 int lbs_host_sleep_cfg(struct lbs_private
*priv
, uint32_t criteria
)
126 struct cmd_ds_host_sleep cmd_config
;
129 cmd_config
.hdr
.size
= cpu_to_le16(sizeof(cmd_config
));
130 cmd_config
.criteria
= cpu_to_le32(criteria
);
131 cmd_config
.gpio
= priv
->wol_gpio
;
132 cmd_config
.gap
= priv
->wol_gap
;
134 ret
= lbs_cmd_with_response(priv
, CMD_802_11_HOST_SLEEP_CFG
, &cmd_config
);
136 lbs_deb_cmd("Set WOL criteria to %x\n", criteria
);
137 priv
->wol_criteria
= criteria
;
139 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret
);
144 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg
);
146 static int lbs_cmd_802_11_ps_mode(struct lbs_private
*priv
,
147 struct cmd_ds_command
*cmd
,
150 struct cmd_ds_802_11_ps_mode
*psm
= &cmd
->params
.psmode
;
152 lbs_deb_enter(LBS_DEB_CMD
);
154 cmd
->command
= cpu_to_le16(CMD_802_11_PS_MODE
);
155 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode
) +
157 psm
->action
= cpu_to_le16(cmd_action
);
158 psm
->multipledtim
= 0;
159 switch (cmd_action
) {
160 case CMD_SUBCMD_ENTER_PS
:
161 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
163 psm
->locallisteninterval
= 0;
164 psm
->nullpktinterval
= 0;
166 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM
);
169 case CMD_SUBCMD_EXIT_PS
:
170 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
173 case CMD_SUBCMD_SLEEP_CONFIRMED
:
174 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
181 lbs_deb_leave(LBS_DEB_CMD
);
185 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private
*priv
,
186 uint16_t cmd_action
, uint16_t *timeout
)
188 struct cmd_ds_802_11_inactivity_timeout cmd
;
191 lbs_deb_enter(LBS_DEB_CMD
);
193 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT
);
194 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
196 cmd
.action
= cpu_to_le16(cmd_action
);
198 if (cmd_action
== CMD_ACT_SET
)
199 cmd
.timeout
= cpu_to_le16(*timeout
);
203 ret
= lbs_cmd_with_response(priv
, CMD_802_11_INACTIVITY_TIMEOUT
, &cmd
);
206 *timeout
= le16_to_cpu(cmd
.timeout
);
208 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
212 int lbs_cmd_802_11_sleep_params(struct lbs_private
*priv
, uint16_t cmd_action
,
213 struct sleep_params
*sp
)
215 struct cmd_ds_802_11_sleep_params cmd
;
218 lbs_deb_enter(LBS_DEB_CMD
);
220 if (cmd_action
== CMD_ACT_GET
) {
221 memset(&cmd
, 0, sizeof(cmd
));
223 cmd
.error
= cpu_to_le16(sp
->sp_error
);
224 cmd
.offset
= cpu_to_le16(sp
->sp_offset
);
225 cmd
.stabletime
= cpu_to_le16(sp
->sp_stabletime
);
226 cmd
.calcontrol
= sp
->sp_calcontrol
;
227 cmd
.externalsleepclk
= sp
->sp_extsleepclk
;
228 cmd
.reserved
= cpu_to_le16(sp
->sp_reserved
);
230 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
231 cmd
.action
= cpu_to_le16(cmd_action
);
233 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SLEEP_PARAMS
, &cmd
);
236 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
237 "calcontrol 0x%x extsleepclk 0x%x\n",
238 le16_to_cpu(cmd
.error
), le16_to_cpu(cmd
.offset
),
239 le16_to_cpu(cmd
.stabletime
), cmd
.calcontrol
,
240 cmd
.externalsleepclk
);
242 sp
->sp_error
= le16_to_cpu(cmd
.error
);
243 sp
->sp_offset
= le16_to_cpu(cmd
.offset
);
244 sp
->sp_stabletime
= le16_to_cpu(cmd
.stabletime
);
245 sp
->sp_calcontrol
= cmd
.calcontrol
;
246 sp
->sp_extsleepclk
= cmd
.externalsleepclk
;
247 sp
->sp_reserved
= le16_to_cpu(cmd
.reserved
);
250 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
254 int lbs_cmd_802_11_set_wep(struct lbs_private
*priv
, uint16_t cmd_action
,
255 struct assoc_request
*assoc
)
257 struct cmd_ds_802_11_set_wep cmd
;
260 lbs_deb_enter(LBS_DEB_CMD
);
262 cmd
.hdr
.command
= cpu_to_le16(CMD_802_11_SET_WEP
);
263 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
265 cmd
.action
= cpu_to_le16(cmd_action
);
267 if (cmd_action
== CMD_ACT_ADD
) {
270 /* default tx key index */
271 cmd
.keyindex
= cpu_to_le16(assoc
->wep_tx_keyidx
&
272 CMD_WEP_KEY_INDEX_MASK
);
274 /* Copy key types and material to host command structure */
275 for (i
= 0; i
< 4; i
++) {
276 struct enc_key
*pkey
= &assoc
->wep_keys
[i
];
280 cmd
.keytype
[i
] = CMD_TYPE_WEP_40_BIT
;
281 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
282 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i
);
284 case KEY_LEN_WEP_104
:
285 cmd
.keytype
[i
] = CMD_TYPE_WEP_104_BIT
;
286 memmove(cmd
.keymaterial
[i
], pkey
->key
, pkey
->len
);
287 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i
);
292 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
299 } else if (cmd_action
== CMD_ACT_REMOVE
) {
300 /* ACT_REMOVE clears _all_ WEP keys */
302 /* default tx key index */
303 cmd
.keyindex
= cpu_to_le16(priv
->wep_tx_keyidx
&
304 CMD_WEP_KEY_INDEX_MASK
);
305 lbs_deb_cmd("SET_WEP: remove key %d\n", priv
->wep_tx_keyidx
);
308 ret
= lbs_cmd_with_response(priv
, CMD_802_11_SET_WEP
, &cmd
);
310 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
314 int lbs_cmd_802_11_enable_rsn(struct lbs_private
*priv
, uint16_t cmd_action
,
317 struct cmd_ds_802_11_enable_rsn cmd
;
320 lbs_deb_enter(LBS_DEB_CMD
);
322 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
323 cmd
.action
= cpu_to_le16(cmd_action
);
325 if (cmd_action
== CMD_ACT_SET
) {
327 cmd
.enable
= cpu_to_le16(CMD_ENABLE_RSN
);
329 cmd
.enable
= cpu_to_le16(CMD_DISABLE_RSN
);
330 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable
);
333 ret
= lbs_cmd_with_response(priv
, CMD_802_11_ENABLE_RSN
, &cmd
);
334 if (!ret
&& cmd_action
== CMD_ACT_GET
)
335 *enable
= le16_to_cpu(cmd
.enable
);
337 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
341 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet
*keyparam
,
344 lbs_deb_enter(LBS_DEB_CMD
);
346 if (key
->flags
& KEY_INFO_WPA_ENABLED
)
347 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_ENABLED
);
348 if (key
->flags
& KEY_INFO_WPA_UNICAST
)
349 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_UNICAST
);
350 if (key
->flags
& KEY_INFO_WPA_MCAST
)
351 keyparam
->keyinfo
|= cpu_to_le16(KEY_INFO_WPA_MCAST
);
353 keyparam
->type
= cpu_to_le16(TLV_TYPE_KEY_MATERIAL
);
354 keyparam
->keytypeid
= cpu_to_le16(key
->type
);
355 keyparam
->keylen
= cpu_to_le16(key
->len
);
356 memcpy(keyparam
->key
, key
->key
, key
->len
);
358 /* Length field doesn't include the {type,length} header */
359 keyparam
->length
= cpu_to_le16(sizeof(*keyparam
) - 4);
360 lbs_deb_leave(LBS_DEB_CMD
);
363 int lbs_cmd_802_11_key_material(struct lbs_private
*priv
, uint16_t cmd_action
,
364 struct assoc_request
*assoc
)
366 struct cmd_ds_802_11_key_material cmd
;
370 lbs_deb_enter(LBS_DEB_CMD
);
372 cmd
.action
= cpu_to_le16(cmd_action
);
373 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
375 if (cmd_action
== CMD_ACT_GET
) {
376 cmd
.hdr
.size
= cpu_to_le16(S_DS_GEN
+ 2);
378 memset(cmd
.keyParamSet
, 0, sizeof(cmd
.keyParamSet
));
380 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY
, &assoc
->flags
)) {
381 set_one_wpa_key(&cmd
.keyParamSet
[index
],
382 &assoc
->wpa_unicast_key
);
386 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY
, &assoc
->flags
)) {
387 set_one_wpa_key(&cmd
.keyParamSet
[index
],
388 &assoc
->wpa_mcast_key
);
392 /* The common header and as many keys as we included */
393 cmd
.hdr
.size
= cpu_to_le16(offsetof(typeof(cmd
),
394 keyParamSet
[index
]));
396 ret
= lbs_cmd_with_response(priv
, CMD_802_11_KEY_MATERIAL
, &cmd
);
397 /* Copy the returned key to driver private data */
398 if (!ret
&& cmd_action
== CMD_ACT_GET
) {
399 void *buf_ptr
= cmd
.keyParamSet
;
400 void *resp_end
= &(&cmd
)[1];
402 while (buf_ptr
< resp_end
) {
403 struct MrvlIEtype_keyParamSet
*keyparam
= buf_ptr
;
405 uint16_t param_set_len
= le16_to_cpu(keyparam
->length
);
406 uint16_t key_len
= le16_to_cpu(keyparam
->keylen
);
407 uint16_t key_flags
= le16_to_cpu(keyparam
->keyinfo
);
408 uint16_t key_type
= le16_to_cpu(keyparam
->keytypeid
);
411 end
= (void *)keyparam
+ sizeof(keyparam
->type
)
412 + sizeof(keyparam
->length
) + param_set_len
;
414 /* Make sure we don't access past the end of the IEs */
418 if (key_flags
& KEY_INFO_WPA_UNICAST
)
419 key
= &priv
->wpa_unicast_key
;
420 else if (key_flags
& KEY_INFO_WPA_MCAST
)
421 key
= &priv
->wpa_mcast_key
;
425 /* Copy returned key into driver */
426 memset(key
, 0, sizeof(struct enc_key
));
427 if (key_len
> sizeof(key
->key
))
429 key
->type
= key_type
;
430 key
->flags
= key_flags
;
432 memcpy(key
->key
, keyparam
->key
, key
->len
);
438 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
442 static int lbs_cmd_802_11_reset(struct lbs_private
*priv
,
443 struct cmd_ds_command
*cmd
, int cmd_action
)
445 struct cmd_ds_802_11_reset
*reset
= &cmd
->params
.reset
;
447 lbs_deb_enter(LBS_DEB_CMD
);
449 cmd
->command
= cpu_to_le16(CMD_802_11_RESET
);
450 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_reset
) + S_DS_GEN
);
451 reset
->action
= cpu_to_le16(cmd_action
);
453 lbs_deb_leave(LBS_DEB_CMD
);
457 static int lbs_cmd_802_11_get_log(struct lbs_private
*priv
,
458 struct cmd_ds_command
*cmd
)
460 lbs_deb_enter(LBS_DEB_CMD
);
461 cmd
->command
= cpu_to_le16(CMD_802_11_GET_LOG
);
463 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log
) + S_DS_GEN
);
465 lbs_deb_leave(LBS_DEB_CMD
);
469 static int lbs_cmd_802_11_get_stat(struct lbs_private
*priv
,
470 struct cmd_ds_command
*cmd
)
472 lbs_deb_enter(LBS_DEB_CMD
);
473 cmd
->command
= cpu_to_le16(CMD_802_11_GET_STAT
);
475 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat
) + S_DS_GEN
);
477 lbs_deb_leave(LBS_DEB_CMD
);
481 static int lbs_cmd_802_11_snmp_mib(struct lbs_private
*priv
,
482 struct cmd_ds_command
*cmd
,
484 int cmd_oid
, void *pdata_buf
)
486 struct cmd_ds_802_11_snmp_mib
*pSNMPMIB
= &cmd
->params
.smib
;
489 lbs_deb_enter(LBS_DEB_CMD
);
491 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid
);
493 cmd
->command
= cpu_to_le16(CMD_802_11_SNMP_MIB
);
494 cmd
->size
= cpu_to_le16(sizeof(*pSNMPMIB
) + S_DS_GEN
);
497 case OID_802_11_INFRASTRUCTURE_MODE
:
499 u8 mode
= (u8
) (size_t) pdata_buf
;
500 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_SET
);
501 pSNMPMIB
->oid
= cpu_to_le16((u16
) DESIRED_BSSTYPE_I
);
502 pSNMPMIB
->bufsize
= cpu_to_le16(sizeof(u8
));
503 if (mode
== IW_MODE_ADHOC
) {
504 ucTemp
= SNMP_MIB_VALUE_ADHOC
;
506 /* Infra and Auto modes */
507 ucTemp
= SNMP_MIB_VALUE_INFRA
;
510 memmove(pSNMPMIB
->value
, &ucTemp
, sizeof(u8
));
515 case OID_802_11D_ENABLE
:
519 pSNMPMIB
->oid
= cpu_to_le16((u16
) DOT11D_I
);
521 if (cmd_action
== CMD_ACT_SET
) {
522 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_SET
);
523 pSNMPMIB
->bufsize
= cpu_to_le16(sizeof(u16
));
524 ulTemp
= *(u32
*)pdata_buf
;
525 *((__le16
*)(pSNMPMIB
->value
)) =
526 cpu_to_le16((u16
) ulTemp
);
531 case OID_802_11_FRAGMENTATION_THRESHOLD
:
535 pSNMPMIB
->oid
= cpu_to_le16((u16
) FRAGTHRESH_I
);
537 if (cmd_action
== CMD_ACT_GET
) {
538 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_GET
);
539 } else if (cmd_action
== CMD_ACT_SET
) {
540 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_SET
);
541 pSNMPMIB
->bufsize
= cpu_to_le16(sizeof(u16
));
542 ulTemp
= *((u32
*) pdata_buf
);
543 *((__le16
*)(pSNMPMIB
->value
)) =
544 cpu_to_le16((u16
) ulTemp
);
551 case OID_802_11_RTS_THRESHOLD
:
555 pSNMPMIB
->oid
= cpu_to_le16(RTSTHRESH_I
);
557 if (cmd_action
== CMD_ACT_GET
) {
558 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_GET
);
559 } else if (cmd_action
== CMD_ACT_SET
) {
560 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_SET
);
561 pSNMPMIB
->bufsize
= cpu_to_le16(sizeof(u16
));
562 ulTemp
= *((u32
*)pdata_buf
);
563 *(__le16
*)(pSNMPMIB
->value
) =
564 cpu_to_le16((u16
) ulTemp
);
569 case OID_802_11_TX_RETRYCOUNT
:
570 pSNMPMIB
->oid
= cpu_to_le16((u16
) SHORT_RETRYLIM_I
);
572 if (cmd_action
== CMD_ACT_GET
) {
573 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_GET
);
574 } else if (cmd_action
== CMD_ACT_SET
) {
575 pSNMPMIB
->querytype
= cpu_to_le16(CMD_ACT_SET
);
576 pSNMPMIB
->bufsize
= cpu_to_le16(sizeof(u16
));
577 *((__le16
*)(pSNMPMIB
->value
)) =
578 cpu_to_le16((u16
) priv
->txretrycount
);
587 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
588 le16_to_cpu(cmd
->command
), le16_to_cpu(cmd
->size
),
589 le16_to_cpu(cmd
->seqnum
), le16_to_cpu(cmd
->result
));
592 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
593 le16_to_cpu(pSNMPMIB
->querytype
), le16_to_cpu(pSNMPMIB
->oid
),
594 le16_to_cpu(pSNMPMIB
->bufsize
),
595 le16_to_cpu(*(__le16
*) pSNMPMIB
->value
));
597 lbs_deb_leave(LBS_DEB_CMD
);
601 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private
*priv
,
602 struct cmd_ds_command
*cmd
,
603 u16 cmd_action
, void *pdata_buf
)
606 struct cmd_ds_802_11_rf_tx_power
*prtp
= &cmd
->params
.txp
;
608 lbs_deb_enter(LBS_DEB_CMD
);
611 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power
)) + S_DS_GEN
);
612 cmd
->command
= cpu_to_le16(CMD_802_11_RF_TX_POWER
);
613 prtp
->action
= cpu_to_le16(cmd_action
);
615 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
616 le16_to_cpu(cmd
->size
), le16_to_cpu(cmd
->command
),
617 le16_to_cpu(prtp
->action
));
619 switch (cmd_action
) {
620 case CMD_ACT_TX_POWER_OPT_GET
:
621 prtp
->action
= cpu_to_le16(CMD_ACT_GET
);
622 prtp
->currentlevel
= 0;
625 case CMD_ACT_TX_POWER_OPT_SET_HIGH
:
626 prtp
->action
= cpu_to_le16(CMD_ACT_SET
);
627 prtp
->currentlevel
= cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH
);
630 case CMD_ACT_TX_POWER_OPT_SET_MID
:
631 prtp
->action
= cpu_to_le16(CMD_ACT_SET
);
632 prtp
->currentlevel
= cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID
);
635 case CMD_ACT_TX_POWER_OPT_SET_LOW
:
636 prtp
->action
= cpu_to_le16(CMD_ACT_SET
);
637 prtp
->currentlevel
= cpu_to_le16(*((u16
*) pdata_buf
));
641 lbs_deb_leave(LBS_DEB_CMD
);
645 static int lbs_cmd_802_11_monitor_mode(struct lbs_private
*priv
,
646 struct cmd_ds_command
*cmd
,
647 u16 cmd_action
, void *pdata_buf
)
649 struct cmd_ds_802_11_monitor_mode
*monitor
= &cmd
->params
.monitor
;
651 cmd
->command
= cpu_to_le16(CMD_802_11_MONITOR_MODE
);
653 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode
) +
656 monitor
->action
= cpu_to_le16(cmd_action
);
657 if (cmd_action
== CMD_ACT_SET
) {
659 cpu_to_le16((u16
) (*(u32
*) pdata_buf
));
665 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private
*priv
,
666 struct cmd_ds_command
*cmd
,
669 struct cmd_ds_802_11_rate_adapt_rateset
670 *rateadapt
= &cmd
->params
.rateset
;
672 lbs_deb_enter(LBS_DEB_CMD
);
674 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset
)
676 cmd
->command
= cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET
);
678 rateadapt
->action
= cpu_to_le16(cmd_action
);
679 rateadapt
->enablehwauto
= cpu_to_le16(priv
->enablehwauto
);
680 rateadapt
->bitmap
= cpu_to_le16(priv
->ratebitmap
);
682 lbs_deb_leave(LBS_DEB_CMD
);
687 * @brief Get the current data rate
689 * @param priv A pointer to struct lbs_private structure
691 * @return The data rate on success, error on failure
693 int lbs_get_data_rate(struct lbs_private
*priv
)
695 struct cmd_ds_802_11_data_rate cmd
;
698 lbs_deb_enter(LBS_DEB_CMD
);
700 memset(&cmd
, 0, sizeof(cmd
));
701 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
702 cmd
.action
= cpu_to_le16(CMD_ACT_GET_TX_RATE
);
704 ret
= lbs_cmd_with_response(priv
, CMD_802_11_DATA_RATE
, &cmd
);
708 lbs_deb_hex(LBS_DEB_CMD
, "DATA_RATE_RESP", (u8
*) &cmd
, sizeof (cmd
));
710 ret
= (int) lbs_fw_index_to_data_rate(cmd
.rates
[0]);
711 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret
);
714 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
719 * @brief Set the data rate
721 * @param priv A pointer to struct lbs_private structure
722 * @param rate The desired data rate, or 0 to clear a locked rate
724 * @return 0 on success, error on failure
726 int lbs_set_data_rate(struct lbs_private
*priv
, u8 rate
)
728 struct cmd_ds_802_11_data_rate cmd
;
731 lbs_deb_enter(LBS_DEB_CMD
);
733 memset(&cmd
, 0, sizeof(cmd
));
734 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
737 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE
);
738 cmd
.rates
[0] = lbs_data_rate_to_fw_index(rate
);
739 if (cmd
.rates
[0] == 0) {
740 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
745 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd
.rates
[0]);
747 cmd
.action
= cpu_to_le16(CMD_ACT_SET_TX_AUTO
);
748 lbs_deb_cmd("DATA_RATE: setting auto\n");
751 ret
= lbs_cmd_with_response(priv
, CMD_802_11_DATA_RATE
, &cmd
);
755 lbs_deb_hex(LBS_DEB_CMD
, "DATA_RATE_RESP", (u8
*) &cmd
, sizeof (cmd
));
757 /* FIXME: get actual rates FW can do if this command actually returns
758 * all data rates supported.
760 priv
->cur_rate
= lbs_fw_index_to_data_rate(cmd
.rates
[0]);
761 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv
->cur_rate
);
764 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
768 static int lbs_cmd_mac_multicast_adr(struct lbs_private
*priv
,
769 struct cmd_ds_command
*cmd
,
772 struct cmd_ds_mac_multicast_adr
*pMCastAdr
= &cmd
->params
.madr
;
774 lbs_deb_enter(LBS_DEB_CMD
);
775 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr
) +
777 cmd
->command
= cpu_to_le16(CMD_MAC_MULTICAST_ADR
);
779 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr
->nr_of_adrs
);
780 pMCastAdr
->action
= cpu_to_le16(cmd_action
);
781 pMCastAdr
->nr_of_adrs
=
782 cpu_to_le16((u16
) priv
->nr_of_multicastmacaddr
);
783 memcpy(pMCastAdr
->maclist
, priv
->multicastlist
,
784 priv
->nr_of_multicastmacaddr
* ETH_ALEN
);
786 lbs_deb_leave(LBS_DEB_CMD
);
791 * @brief Get the radio channel
793 * @param priv A pointer to struct lbs_private structure
795 * @return The channel on success, error on failure
797 int lbs_get_channel(struct lbs_private
*priv
)
799 struct cmd_ds_802_11_rf_channel cmd
;
802 lbs_deb_enter(LBS_DEB_CMD
);
804 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
805 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET
);
807 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
811 ret
= le16_to_cpu(cmd
.channel
);
812 lbs_deb_cmd("current radio channel is %d\n", ret
);
815 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
820 * @brief Set the radio channel
822 * @param priv A pointer to struct lbs_private structure
823 * @param channel The desired channel, or 0 to clear a locked channel
825 * @return 0 on success, error on failure
827 int lbs_set_channel(struct lbs_private
*priv
, u8 channel
)
829 struct cmd_ds_802_11_rf_channel cmd
;
830 u8 old_channel
= priv
->curbssparams
.channel
;
833 lbs_deb_enter(LBS_DEB_CMD
);
835 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
836 cmd
.action
= cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET
);
837 cmd
.channel
= cpu_to_le16(channel
);
839 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RF_CHANNEL
, &cmd
);
843 priv
->curbssparams
.channel
= (uint8_t) le16_to_cpu(cmd
.channel
);
844 lbs_deb_cmd("channel switch from %d to %d\n", old_channel
,
845 priv
->curbssparams
.channel
);
848 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
852 static int lbs_cmd_802_11_rssi(struct lbs_private
*priv
,
853 struct cmd_ds_command
*cmd
)
856 lbs_deb_enter(LBS_DEB_CMD
);
857 cmd
->command
= cpu_to_le16(CMD_802_11_RSSI
);
858 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi
) + S_DS_GEN
);
859 cmd
->params
.rssi
.N
= cpu_to_le16(DEFAULT_BCN_AVG_FACTOR
);
861 /* reset Beacon SNR/NF/RSSI values */
862 priv
->SNR
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
863 priv
->SNR
[TYPE_BEACON
][TYPE_AVG
] = 0;
864 priv
->NF
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
865 priv
->NF
[TYPE_BEACON
][TYPE_AVG
] = 0;
866 priv
->RSSI
[TYPE_BEACON
][TYPE_NOAVG
] = 0;
867 priv
->RSSI
[TYPE_BEACON
][TYPE_AVG
] = 0;
869 lbs_deb_leave(LBS_DEB_CMD
);
873 static int lbs_cmd_reg_access(struct lbs_private
*priv
,
874 struct cmd_ds_command
*cmdptr
,
875 u8 cmd_action
, void *pdata_buf
)
877 struct lbs_offset_value
*offval
;
879 lbs_deb_enter(LBS_DEB_CMD
);
881 offval
= (struct lbs_offset_value
*)pdata_buf
;
883 switch (le16_to_cpu(cmdptr
->command
)) {
884 case CMD_MAC_REG_ACCESS
:
886 struct cmd_ds_mac_reg_access
*macreg
;
889 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access
)
892 (struct cmd_ds_mac_reg_access
*)&cmdptr
->params
.
895 macreg
->action
= cpu_to_le16(cmd_action
);
896 macreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
897 macreg
->value
= cpu_to_le32(offval
->value
);
902 case CMD_BBP_REG_ACCESS
:
904 struct cmd_ds_bbp_reg_access
*bbpreg
;
908 (struct cmd_ds_bbp_reg_access
)
911 (struct cmd_ds_bbp_reg_access
*)&cmdptr
->params
.
914 bbpreg
->action
= cpu_to_le16(cmd_action
);
915 bbpreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
916 bbpreg
->value
= (u8
) offval
->value
;
921 case CMD_RF_REG_ACCESS
:
923 struct cmd_ds_rf_reg_access
*rfreg
;
927 (struct cmd_ds_rf_reg_access
) +
930 (struct cmd_ds_rf_reg_access
*)&cmdptr
->params
.
933 rfreg
->action
= cpu_to_le16(cmd_action
);
934 rfreg
->offset
= cpu_to_le16((u16
) offval
->offset
);
935 rfreg
->value
= (u8
) offval
->value
;
944 lbs_deb_leave(LBS_DEB_CMD
);
948 static int lbs_cmd_802_11_mac_address(struct lbs_private
*priv
,
949 struct cmd_ds_command
*cmd
,
953 lbs_deb_enter(LBS_DEB_CMD
);
954 cmd
->command
= cpu_to_le16(CMD_802_11_MAC_ADDRESS
);
955 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address
) +
959 cmd
->params
.macadd
.action
= cpu_to_le16(cmd_action
);
961 if (cmd_action
== CMD_ACT_SET
) {
962 memcpy(cmd
->params
.macadd
.macadd
,
963 priv
->current_addr
, ETH_ALEN
);
964 lbs_deb_hex(LBS_DEB_CMD
, "SET_CMD: MAC addr", priv
->current_addr
, 6);
967 lbs_deb_leave(LBS_DEB_CMD
);
971 static int lbs_cmd_802_11_eeprom_access(struct lbs_private
*priv
,
972 struct cmd_ds_command
*cmd
,
973 int cmd_action
, void *pdata_buf
)
975 struct lbs_ioctl_regrdwr
*ea
= pdata_buf
;
977 lbs_deb_enter(LBS_DEB_CMD
);
979 cmd
->command
= cpu_to_le16(CMD_802_11_EEPROM_ACCESS
);
980 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access
) +
984 cmd
->params
.rdeeprom
.action
= cpu_to_le16(ea
->action
);
985 cmd
->params
.rdeeprom
.offset
= cpu_to_le16(ea
->offset
);
986 cmd
->params
.rdeeprom
.bytecount
= cpu_to_le16(ea
->NOB
);
987 cmd
->params
.rdeeprom
.value
= 0;
989 lbs_deb_leave(LBS_DEB_CMD
);
993 static int lbs_cmd_bt_access(struct lbs_private
*priv
,
994 struct cmd_ds_command
*cmd
,
995 u16 cmd_action
, void *pdata_buf
)
997 struct cmd_ds_bt_access
*bt_access
= &cmd
->params
.bt
;
998 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1000 cmd
->command
= cpu_to_le16(CMD_BT_ACCESS
);
1001 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_bt_access
) + S_DS_GEN
);
1003 bt_access
->action
= cpu_to_le16(cmd_action
);
1005 switch (cmd_action
) {
1006 case CMD_ACT_BT_ACCESS_ADD
:
1007 memcpy(bt_access
->addr1
, pdata_buf
, 2 * ETH_ALEN
);
1008 lbs_deb_hex(LBS_DEB_MESH
, "BT_ADD: blinded MAC addr", bt_access
->addr1
, 6);
1010 case CMD_ACT_BT_ACCESS_DEL
:
1011 memcpy(bt_access
->addr1
, pdata_buf
, 1 * ETH_ALEN
);
1012 lbs_deb_hex(LBS_DEB_MESH
, "BT_DEL: blinded MAC addr", bt_access
->addr1
, 6);
1014 case CMD_ACT_BT_ACCESS_LIST
:
1015 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
1017 case CMD_ACT_BT_ACCESS_RESET
:
1019 case CMD_ACT_BT_ACCESS_SET_INVERT
:
1020 bt_access
->id
= cpu_to_le32(*(u32
*) pdata_buf
);
1022 case CMD_ACT_BT_ACCESS_GET_INVERT
:
1027 lbs_deb_leave(LBS_DEB_CMD
);
1031 static int lbs_cmd_fwt_access(struct lbs_private
*priv
,
1032 struct cmd_ds_command
*cmd
,
1033 u16 cmd_action
, void *pdata_buf
)
1035 struct cmd_ds_fwt_access
*fwt_access
= &cmd
->params
.fwt
;
1036 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1038 cmd
->command
= cpu_to_le16(CMD_FWT_ACCESS
);
1039 cmd
->size
= cpu_to_le16(sizeof(struct cmd_ds_fwt_access
) + S_DS_GEN
);
1043 memcpy(fwt_access
, pdata_buf
, sizeof(*fwt_access
));
1045 memset(fwt_access
, 0, sizeof(*fwt_access
));
1047 fwt_access
->action
= cpu_to_le16(cmd_action
);
1049 lbs_deb_leave(LBS_DEB_CMD
);
1053 int lbs_mesh_access(struct lbs_private
*priv
, uint16_t cmd_action
,
1054 struct cmd_ds_mesh_access
*cmd
)
1058 lbs_deb_enter_args(LBS_DEB_CMD
, "action %d", cmd_action
);
1060 cmd
->hdr
.command
= cpu_to_le16(CMD_MESH_ACCESS
);
1061 cmd
->hdr
.size
= cpu_to_le16(sizeof(*cmd
));
1062 cmd
->hdr
.result
= 0;
1064 cmd
->action
= cpu_to_le16(cmd_action
);
1066 ret
= lbs_cmd_with_response(priv
, CMD_MESH_ACCESS
, cmd
);
1068 lbs_deb_leave(LBS_DEB_CMD
);
1072 int lbs_mesh_config(struct lbs_private
*priv
, uint16_t enable
, uint16_t chan
)
1074 struct cmd_ds_mesh_config cmd
;
1076 memset(&cmd
, 0, sizeof(cmd
));
1077 cmd
.action
= cpu_to_le16(enable
);
1078 cmd
.channel
= cpu_to_le16(chan
);
1079 cmd
.type
= cpu_to_le16(priv
->mesh_tlv
);
1080 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1083 cmd
.length
= cpu_to_le16(priv
->mesh_ssid_len
);
1084 memcpy(cmd
.data
, priv
->mesh_ssid
, priv
->mesh_ssid_len
);
1086 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1087 enable
, priv
->mesh_tlv
, chan
,
1088 escape_essid(priv
->mesh_ssid
, priv
->mesh_ssid_len
));
1089 return lbs_cmd_with_response(priv
, CMD_MESH_CONFIG
, &cmd
);
1092 static int lbs_cmd_bcn_ctrl(struct lbs_private
* priv
,
1093 struct cmd_ds_command
*cmd
,
1096 struct cmd_ds_802_11_beacon_control
1097 *bcn_ctrl
= &cmd
->params
.bcn_ctrl
;
1099 lbs_deb_enter(LBS_DEB_CMD
);
1101 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control
)
1103 cmd
->command
= cpu_to_le16(CMD_802_11_BEACON_CTRL
);
1105 bcn_ctrl
->action
= cpu_to_le16(cmd_action
);
1106 bcn_ctrl
->beacon_enable
= cpu_to_le16(priv
->beacon_enable
);
1107 bcn_ctrl
->beacon_period
= cpu_to_le16(priv
->beacon_period
);
1109 lbs_deb_leave(LBS_DEB_CMD
);
1113 static void lbs_queue_cmd(struct lbs_private
*priv
,
1114 struct cmd_ctrl_node
*cmdnode
)
1116 unsigned long flags
;
1119 lbs_deb_enter(LBS_DEB_HOST
);
1122 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1125 if (!cmdnode
->cmdbuf
->size
) {
1126 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1129 cmdnode
->result
= 0;
1131 /* Exit_PS command needs to be queued in the header always. */
1132 if (le16_to_cpu(cmdnode
->cmdbuf
->command
) == CMD_802_11_PS_MODE
) {
1133 struct cmd_ds_802_11_ps_mode
*psm
= (void *) &cmdnode
->cmdbuf
[1];
1135 if (psm
->action
== cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1136 if (priv
->psstate
!= PS_STATE_FULL_POWER
)
1141 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1144 list_add_tail(&cmdnode
->list
, &priv
->cmdpendingq
);
1146 list_add(&cmdnode
->list
, &priv
->cmdpendingq
);
1148 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1150 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1151 le16_to_cpu(cmdnode
->cmdbuf
->command
));
1154 lbs_deb_leave(LBS_DEB_HOST
);
1157 static void lbs_submit_command(struct lbs_private
*priv
,
1158 struct cmd_ctrl_node
*cmdnode
)
1160 unsigned long flags
;
1161 struct cmd_header
*cmd
;
1167 lbs_deb_enter(LBS_DEB_HOST
);
1169 cmd
= cmdnode
->cmdbuf
;
1171 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1172 priv
->cur_cmd
= cmdnode
;
1173 priv
->cur_cmd_retcode
= 0;
1174 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1176 cmdsize
= le16_to_cpu(cmd
->size
);
1177 command
= le16_to_cpu(cmd
->command
);
1179 /* These commands take longer */
1180 if (command
== CMD_802_11_SCAN
|| command
== CMD_802_11_ASSOCIATE
||
1181 command
== CMD_802_11_AUTHENTICATE
)
1184 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1185 command
, le16_to_cpu(cmd
->seqnum
), cmdsize
, jiffies
);
1186 lbs_deb_hex(LBS_DEB_CMD
, "DNLD_CMD", (void *) cmdnode
->cmdbuf
, cmdsize
);
1188 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, (u8
*) cmd
, cmdsize
);
1191 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret
);
1192 /* Let the timer kick in and retry, and potentially reset
1193 the whole thing if the condition persists */
1197 /* Setup the timer after transmit command */
1198 mod_timer(&priv
->command_timer
, jiffies
+ timeo
);
1200 lbs_deb_leave(LBS_DEB_HOST
);
1204 * This function inserts command node to cmdfreeq
1205 * after cleans it. Requires priv->driver_lock held.
1207 static void __lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1208 struct cmd_ctrl_node
*cmdnode
)
1210 lbs_deb_enter(LBS_DEB_HOST
);
1215 cmdnode
->callback
= NULL
;
1216 cmdnode
->callback_arg
= 0;
1218 memset(cmdnode
->cmdbuf
, 0, LBS_CMD_BUFFER_SIZE
);
1220 list_add_tail(&cmdnode
->list
, &priv
->cmdfreeq
);
1222 lbs_deb_leave(LBS_DEB_HOST
);
1225 static void lbs_cleanup_and_insert_cmd(struct lbs_private
*priv
,
1226 struct cmd_ctrl_node
*ptempcmd
)
1228 unsigned long flags
;
1230 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1231 __lbs_cleanup_and_insert_cmd(priv
, ptempcmd
);
1232 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1235 void lbs_complete_command(struct lbs_private
*priv
, struct cmd_ctrl_node
*cmd
,
1238 if (cmd
== priv
->cur_cmd
)
1239 priv
->cur_cmd_retcode
= result
;
1241 cmd
->result
= result
;
1242 cmd
->cmdwaitqwoken
= 1;
1243 wake_up_interruptible(&cmd
->cmdwait_q
);
1246 __lbs_cleanup_and_insert_cmd(priv
, cmd
);
1247 priv
->cur_cmd
= NULL
;
1250 int lbs_set_radio_control(struct lbs_private
*priv
)
1253 struct cmd_ds_802_11_radio_control cmd
;
1255 lbs_deb_enter(LBS_DEB_CMD
);
1257 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1258 cmd
.action
= cpu_to_le16(CMD_ACT_SET
);
1260 switch (priv
->preamble
) {
1261 case CMD_TYPE_SHORT_PREAMBLE
:
1262 cmd
.control
= cpu_to_le16(SET_SHORT_PREAMBLE
);
1265 case CMD_TYPE_LONG_PREAMBLE
:
1266 cmd
.control
= cpu_to_le16(SET_LONG_PREAMBLE
);
1269 case CMD_TYPE_AUTO_PREAMBLE
:
1271 cmd
.control
= cpu_to_le16(SET_AUTO_PREAMBLE
);
1276 cmd
.control
|= cpu_to_le16(TURN_ON_RF
);
1278 cmd
.control
&= cpu_to_le16(~TURN_ON_RF
);
1280 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv
->radioon
,
1283 ret
= lbs_cmd_with_response(priv
, CMD_802_11_RADIO_CONTROL
, &cmd
);
1285 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
1289 int lbs_set_mac_packet_filter(struct lbs_private
*priv
)
1292 struct cmd_ds_mac_control cmd
;
1294 lbs_deb_enter(LBS_DEB_CMD
);
1296 cmd
.hdr
.size
= cpu_to_le16(sizeof(cmd
));
1297 cmd
.action
= cpu_to_le16(priv
->currentpacketfilter
);
1300 ret
= lbs_cmd_with_response(priv
, CMD_MAC_CONTROL
, &cmd
);
1302 lbs_deb_leave_args(LBS_DEB_CMD
, "ret %d", ret
);
1307 * @brief This function prepare the command before send to firmware.
1309 * @param priv A pointer to struct lbs_private structure
1310 * @param cmd_no command number
1311 * @param cmd_action command action: GET or SET
1312 * @param wait_option wait option: wait response or not
1313 * @param cmd_oid cmd oid: treated as sub command
1314 * @param pdata_buf A pointer to informaion buffer
1317 int lbs_prepare_and_send_command(struct lbs_private
*priv
,
1320 u16 wait_option
, u32 cmd_oid
, void *pdata_buf
)
1323 struct cmd_ctrl_node
*cmdnode
;
1324 struct cmd_ds_command
*cmdptr
;
1325 unsigned long flags
;
1327 lbs_deb_enter(LBS_DEB_HOST
);
1330 lbs_deb_host("PREP_CMD: priv is NULL\n");
1335 if (priv
->surpriseremoved
) {
1336 lbs_deb_host("PREP_CMD: card removed\n");
1341 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
1343 if (cmdnode
== NULL
) {
1344 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1346 /* Wake up main thread to execute next command */
1347 wake_up_interruptible(&priv
->waitq
);
1352 lbs_set_cmd_ctrl_node(priv
, cmdnode
, pdata_buf
);
1354 cmdptr
= (struct cmd_ds_command
*)cmdnode
->cmdbuf
;
1356 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no
);
1358 /* Set sequence number, command and INT option */
1360 cmdptr
->seqnum
= cpu_to_le16(priv
->seqnum
);
1362 cmdptr
->command
= cpu_to_le16(cmd_no
);
1366 case CMD_802_11_PS_MODE
:
1367 ret
= lbs_cmd_802_11_ps_mode(priv
, cmdptr
, cmd_action
);
1370 case CMD_802_11_ASSOCIATE
:
1371 case CMD_802_11_REASSOCIATE
:
1372 ret
= lbs_cmd_80211_associate(priv
, cmdptr
, pdata_buf
);
1375 case CMD_802_11_DEAUTHENTICATE
:
1376 ret
= lbs_cmd_80211_deauthenticate(priv
, cmdptr
);
1379 case CMD_802_11_AD_HOC_START
:
1380 ret
= lbs_cmd_80211_ad_hoc_start(priv
, cmdptr
, pdata_buf
);
1385 case CMD_802_11_RESET
:
1386 ret
= lbs_cmd_802_11_reset(priv
, cmdptr
, cmd_action
);
1389 case CMD_802_11_GET_LOG
:
1390 ret
= lbs_cmd_802_11_get_log(priv
, cmdptr
);
1393 case CMD_802_11_AUTHENTICATE
:
1394 ret
= lbs_cmd_80211_authenticate(priv
, cmdptr
, pdata_buf
);
1397 case CMD_802_11_GET_STAT
:
1398 ret
= lbs_cmd_802_11_get_stat(priv
, cmdptr
);
1401 case CMD_802_11_SNMP_MIB
:
1402 ret
= lbs_cmd_802_11_snmp_mib(priv
, cmdptr
,
1403 cmd_action
, cmd_oid
, pdata_buf
);
1406 case CMD_MAC_REG_ACCESS
:
1407 case CMD_BBP_REG_ACCESS
:
1408 case CMD_RF_REG_ACCESS
:
1409 ret
= lbs_cmd_reg_access(priv
, cmdptr
, cmd_action
, pdata_buf
);
1412 case CMD_802_11_RF_TX_POWER
:
1413 ret
= lbs_cmd_802_11_rf_tx_power(priv
, cmdptr
,
1414 cmd_action
, pdata_buf
);
1417 case CMD_802_11_RATE_ADAPT_RATESET
:
1418 ret
= lbs_cmd_802_11_rate_adapt_rateset(priv
,
1419 cmdptr
, cmd_action
);
1422 case CMD_MAC_MULTICAST_ADR
:
1423 ret
= lbs_cmd_mac_multicast_adr(priv
, cmdptr
, cmd_action
);
1426 case CMD_802_11_MONITOR_MODE
:
1427 ret
= lbs_cmd_802_11_monitor_mode(priv
, cmdptr
,
1428 cmd_action
, pdata_buf
);
1431 case CMD_802_11_AD_HOC_JOIN
:
1432 ret
= lbs_cmd_80211_ad_hoc_join(priv
, cmdptr
, pdata_buf
);
1435 case CMD_802_11_RSSI
:
1436 ret
= lbs_cmd_802_11_rssi(priv
, cmdptr
);
1439 case CMD_802_11_AD_HOC_STOP
:
1440 ret
= lbs_cmd_80211_ad_hoc_stop(priv
, cmdptr
);
1443 case CMD_802_11_PAIRWISE_TSC
:
1445 case CMD_802_11_GROUP_TSC
:
1448 case CMD_802_11_MAC_ADDRESS
:
1449 ret
= lbs_cmd_802_11_mac_address(priv
, cmdptr
, cmd_action
);
1452 case CMD_802_11_EEPROM_ACCESS
:
1453 ret
= lbs_cmd_802_11_eeprom_access(priv
, cmdptr
,
1454 cmd_action
, pdata_buf
);
1457 case CMD_802_11_SET_AFC
:
1458 case CMD_802_11_GET_AFC
:
1460 cmdptr
->command
= cpu_to_le16(cmd_no
);
1461 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_802_11_afc
) +
1464 memmove(&cmdptr
->params
.afc
,
1465 pdata_buf
, sizeof(struct cmd_ds_802_11_afc
));
1470 case CMD_802_11D_DOMAIN_INFO
:
1471 ret
= lbs_cmd_802_11d_domain_info(priv
, cmdptr
,
1472 cmd_no
, cmd_action
);
1475 case CMD_802_11_TPC_CFG
:
1476 cmdptr
->command
= cpu_to_le16(CMD_802_11_TPC_CFG
);
1478 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg
) +
1481 memmove(&cmdptr
->params
.tpccfg
,
1482 pdata_buf
, sizeof(struct cmd_ds_802_11_tpc_cfg
));
1486 case CMD_802_11_LED_GPIO_CTRL
:
1488 struct mrvlietypes_ledgpio
*gpio
=
1489 (struct mrvlietypes_ledgpio
*)
1490 cmdptr
->params
.ledgpio
.data
;
1492 memmove(&cmdptr
->params
.ledgpio
,
1494 sizeof(struct cmd_ds_802_11_led_ctrl
));
1497 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL
);
1499 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1501 cpu_to_le16(le16_to_cpu(gpio
->header
.len
)
1503 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN
);
1504 gpio
->header
.len
= gpio
->header
.len
;
1510 case CMD_802_11_PWR_CFG
:
1511 cmdptr
->command
= cpu_to_le16(CMD_802_11_PWR_CFG
);
1513 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg
) +
1515 memmove(&cmdptr
->params
.pwrcfg
, pdata_buf
,
1516 sizeof(struct cmd_ds_802_11_pwr_cfg
));
1521 ret
= lbs_cmd_bt_access(priv
, cmdptr
, cmd_action
, pdata_buf
);
1524 case CMD_FWT_ACCESS
:
1525 ret
= lbs_cmd_fwt_access(priv
, cmdptr
, cmd_action
, pdata_buf
);
1529 cmdptr
->command
= cpu_to_le16(CMD_GET_TSF
);
1530 cmdptr
->size
= cpu_to_le16(sizeof(struct cmd_ds_get_tsf
) +
1534 case CMD_802_11_BEACON_CTRL
:
1535 ret
= lbs_cmd_bcn_ctrl(priv
, cmdptr
, cmd_action
);
1538 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no
);
1543 /* return error, since the command preparation failed */
1545 lbs_deb_host("PREP_CMD: command preparation failed\n");
1546 lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
1551 cmdnode
->cmdwaitqwoken
= 0;
1553 lbs_queue_cmd(priv
, cmdnode
);
1554 wake_up_interruptible(&priv
->waitq
);
1556 if (wait_option
& CMD_OPTION_WAITFORRSP
) {
1557 lbs_deb_host("PREP_CMD: wait for response\n");
1559 wait_event_interruptible(cmdnode
->cmdwait_q
,
1560 cmdnode
->cmdwaitqwoken
);
1563 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1564 if (priv
->cur_cmd_retcode
) {
1565 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1566 priv
->cur_cmd_retcode
);
1567 priv
->cur_cmd_retcode
= 0;
1570 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1573 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1578 * @brief This function allocates the command buffer and link
1579 * it to command free queue.
1581 * @param priv A pointer to struct lbs_private structure
1584 int lbs_allocate_cmd_buffer(struct lbs_private
*priv
)
1589 struct cmd_ctrl_node
*cmdarray
;
1591 lbs_deb_enter(LBS_DEB_HOST
);
1593 /* Allocate and initialize the command array */
1594 bufsize
= sizeof(struct cmd_ctrl_node
) * LBS_NUM_CMD_BUFFERS
;
1595 if (!(cmdarray
= kzalloc(bufsize
, GFP_KERNEL
))) {
1596 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1600 priv
->cmd_array
= cmdarray
;
1602 /* Allocate and initialize each command buffer in the command array */
1603 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1604 cmdarray
[i
].cmdbuf
= kzalloc(LBS_CMD_BUFFER_SIZE
, GFP_KERNEL
);
1605 if (!cmdarray
[i
].cmdbuf
) {
1606 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1612 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1613 init_waitqueue_head(&cmdarray
[i
].cmdwait_q
);
1614 lbs_cleanup_and_insert_cmd(priv
, &cmdarray
[i
]);
1619 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1624 * @brief This function frees the command buffer.
1626 * @param priv A pointer to struct lbs_private structure
1629 int lbs_free_cmd_buffer(struct lbs_private
*priv
)
1631 struct cmd_ctrl_node
*cmdarray
;
1634 lbs_deb_enter(LBS_DEB_HOST
);
1636 /* need to check if cmd array is allocated or not */
1637 if (priv
->cmd_array
== NULL
) {
1638 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1642 cmdarray
= priv
->cmd_array
;
1644 /* Release shared memory buffers */
1645 for (i
= 0; i
< LBS_NUM_CMD_BUFFERS
; i
++) {
1646 if (cmdarray
[i
].cmdbuf
) {
1647 kfree(cmdarray
[i
].cmdbuf
);
1648 cmdarray
[i
].cmdbuf
= NULL
;
1652 /* Release cmd_ctrl_node */
1653 if (priv
->cmd_array
) {
1654 kfree(priv
->cmd_array
);
1655 priv
->cmd_array
= NULL
;
1659 lbs_deb_leave(LBS_DEB_HOST
);
1664 * @brief This function gets a free command node if available in
1665 * command free queue.
1667 * @param priv A pointer to struct lbs_private structure
1668 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1670 static struct cmd_ctrl_node
*lbs_get_cmd_ctrl_node(struct lbs_private
*priv
)
1672 struct cmd_ctrl_node
*tempnode
;
1673 unsigned long flags
;
1675 lbs_deb_enter(LBS_DEB_HOST
);
1680 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1682 if (!list_empty(&priv
->cmdfreeq
)) {
1683 tempnode
= list_first_entry(&priv
->cmdfreeq
,
1684 struct cmd_ctrl_node
, list
);
1685 list_del(&tempnode
->list
);
1687 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1691 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1693 lbs_deb_leave(LBS_DEB_HOST
);
1698 * @brief This function cleans command node.
1700 * @param ptempnode A pointer to cmdCtrlNode structure
1705 * @brief This function initializes the command node.
1707 * @param priv A pointer to struct lbs_private structure
1708 * @param ptempnode A pointer to cmd_ctrl_node structure
1709 * @param pdata_buf A pointer to informaion buffer
1712 static void lbs_set_cmd_ctrl_node(struct lbs_private
*priv
,
1713 struct cmd_ctrl_node
*ptempnode
,
1716 lbs_deb_enter(LBS_DEB_HOST
);
1721 ptempnode
->callback
= NULL
;
1722 ptempnode
->callback_arg
= (unsigned long)pdata_buf
;
1724 lbs_deb_leave(LBS_DEB_HOST
);
1728 * @brief This function executes next command in command
1729 * pending queue. It will put fimware back to PS mode
1732 * @param priv A pointer to struct lbs_private structure
1735 int lbs_execute_next_command(struct lbs_private
*priv
)
1737 struct cmd_ctrl_node
*cmdnode
= NULL
;
1738 struct cmd_header
*cmd
;
1739 unsigned long flags
;
1742 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1743 * only caller to us is lbs_thread() and we get even when a
1744 * data packet is received */
1745 lbs_deb_enter(LBS_DEB_THREAD
);
1747 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1749 if (priv
->cur_cmd
) {
1750 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1751 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1756 if (!list_empty(&priv
->cmdpendingq
)) {
1757 cmdnode
= list_first_entry(&priv
->cmdpendingq
,
1758 struct cmd_ctrl_node
, list
);
1761 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1764 cmd
= cmdnode
->cmdbuf
;
1766 if (is_command_allowed_in_ps(le16_to_cpu(cmd
->command
))) {
1767 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1768 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1770 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1771 le16_to_cpu(cmd
->command
),
1776 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1777 "0x%04x in psstate %d\n",
1778 le16_to_cpu(cmd
->command
), priv
->psstate
);
1779 } else if (priv
->psstate
!= PS_STATE_FULL_POWER
) {
1781 * 1. Non-PS command:
1782 * Queue it. set needtowakeup to TRUE if current state
1783 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1784 * 2. PS command but not Exit_PS:
1786 * 3. PS command Exit_PS:
1787 * Set needtowakeup to TRUE if current state is SLEEP,
1788 * otherwise send this command down to firmware
1791 if (cmd
->command
!= cpu_to_le16(CMD_802_11_PS_MODE
)) {
1792 /* Prepare to send Exit PS,
1793 * this non PS command will be sent later */
1794 if ((priv
->psstate
== PS_STATE_SLEEP
)
1795 || (priv
->psstate
== PS_STATE_PRE_SLEEP
)
1797 /* w/ new scheme, it will not reach here.
1798 since it is blocked in main_thread. */
1799 priv
->needtowakeup
= 1;
1801 lbs_ps_wakeup(priv
, 0);
1807 * PS command. Ignore it if it is not Exit_PS.
1808 * otherwise send it down immediately.
1810 struct cmd_ds_802_11_ps_mode
*psm
= (void *)&cmd
[1];
1813 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1816 cpu_to_le16(CMD_SUBCMD_EXIT_PS
)) {
1818 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1819 list_del(&cmdnode
->list
);
1820 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1821 lbs_complete_command(priv
, cmdnode
, 0);
1822 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1828 if ((priv
->psstate
== PS_STATE_SLEEP
) ||
1829 (priv
->psstate
== PS_STATE_PRE_SLEEP
)) {
1831 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1832 list_del(&cmdnode
->list
);
1833 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1834 lbs_complete_command(priv
, cmdnode
, 0);
1835 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1836 priv
->needtowakeup
= 1;
1843 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1846 list_del(&cmdnode
->list
);
1847 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1848 le16_to_cpu(cmd
->command
));
1849 lbs_submit_command(priv
, cmdnode
);
1852 * check if in power save mode, if yes, put the device back
1855 if ((priv
->psmode
!= LBS802_11POWERMODECAM
) &&
1856 (priv
->psstate
== PS_STATE_FULL_POWER
) &&
1857 ((priv
->connect_status
== LBS_CONNECTED
) ||
1858 (priv
->mesh_connect_status
== LBS_CONNECTED
))) {
1859 if (priv
->secinfo
.WPAenabled
||
1860 priv
->secinfo
.WPA2enabled
) {
1861 /* check for valid WPA group keys */
1862 if (priv
->wpa_mcast_key
.len
||
1863 priv
->wpa_unicast_key
.len
) {
1865 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1866 " go back to PS_SLEEP");
1867 lbs_ps_sleep(priv
, 0);
1871 "EXEC_NEXT_CMD: cmdpendingq empty, "
1872 "go back to PS_SLEEP");
1873 lbs_ps_sleep(priv
, 0);
1880 lbs_deb_leave(LBS_DEB_THREAD
);
1884 void lbs_send_iwevcustom_event(struct lbs_private
*priv
, s8
*str
)
1886 union iwreq_data iwrq
;
1889 lbs_deb_enter(LBS_DEB_WEXT
);
1891 memset(&iwrq
, 0, sizeof(union iwreq_data
));
1892 memset(buf
, 0, sizeof(buf
));
1894 snprintf(buf
, sizeof(buf
) - 1, "%s", str
);
1896 iwrq
.data
.length
= strlen(buf
) + 1 + IW_EV_LCP_LEN
;
1898 /* Send Event to upper layer */
1899 lbs_deb_wext("event indication string %s\n", (char *)buf
);
1900 lbs_deb_wext("event indication length %d\n", iwrq
.data
.length
);
1901 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str
);
1903 wireless_send_event(priv
->dev
, IWEVCUSTOM
, &iwrq
, buf
);
1905 lbs_deb_leave(LBS_DEB_WEXT
);
1908 static int sendconfirmsleep(struct lbs_private
*priv
, u8
*cmdptr
, u16 size
)
1910 unsigned long flags
;
1913 lbs_deb_enter(LBS_DEB_HOST
);
1915 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1918 lbs_deb_hex(LBS_DEB_HOST
, "sleep confirm command", cmdptr
, size
);
1920 ret
= priv
->hw_host_to_card(priv
, MVMS_CMD
, cmdptr
, size
);
1922 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1923 if (priv
->intcounter
|| priv
->currenttxskb
)
1924 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1925 priv
->intcounter
, priv
->currenttxskb
);
1926 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1930 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1932 spin_lock_irqsave(&priv
->driver_lock
, flags
);
1933 if (!priv
->intcounter
) {
1934 priv
->psstate
= PS_STATE_SLEEP
;
1936 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1939 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
1941 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1944 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
1948 void lbs_ps_sleep(struct lbs_private
*priv
, int wait_option
)
1950 lbs_deb_enter(LBS_DEB_HOST
);
1953 * PS is currently supported only in Infrastructure mode
1954 * Remove this check if it is to be supported in IBSS mode also
1957 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1958 CMD_SUBCMD_ENTER_PS
, wait_option
, 0, NULL
);
1960 lbs_deb_leave(LBS_DEB_HOST
);
1964 * @brief This function sends Exit_PS command to firmware.
1966 * @param priv A pointer to struct lbs_private structure
1967 * @param wait_option wait response or not
1970 void lbs_ps_wakeup(struct lbs_private
*priv
, int wait_option
)
1974 lbs_deb_enter(LBS_DEB_HOST
);
1976 Localpsmode
= cpu_to_le32(LBS802_11POWERMODECAM
);
1978 lbs_prepare_and_send_command(priv
, CMD_802_11_PS_MODE
,
1980 wait_option
, 0, &Localpsmode
);
1982 lbs_deb_leave(LBS_DEB_HOST
);
1986 * @brief This function checks condition and prepares to
1987 * send sleep confirm command to firmware if ok.
1989 * @param priv A pointer to struct lbs_private structure
1990 * @param psmode Power Saving mode
1993 void lbs_ps_confirm_sleep(struct lbs_private
*priv
, u16 psmode
)
1995 unsigned long flags
=0;
1998 lbs_deb_enter(LBS_DEB_HOST
);
2000 if (priv
->dnld_sent
) {
2002 lbs_deb_host("dnld_sent was set\n");
2005 spin_lock_irqsave(&priv
->driver_lock
, flags
);
2006 if (priv
->cur_cmd
) {
2008 lbs_deb_host("cur_cmd was set\n");
2010 if (priv
->intcounter
> 0) {
2012 lbs_deb_host("intcounter %d\n", priv
->intcounter
);
2014 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
2017 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2018 sendconfirmsleep(priv
, (u8
*) & priv
->lbs_ps_confirm_sleep
,
2019 sizeof(struct PS_CMD_ConfirmSleep
));
2021 lbs_deb_host("sleep confirm has been delayed\n");
2024 lbs_deb_leave(LBS_DEB_HOST
);
2029 * @brief Simple callback that copies response back into command
2031 * @param priv A pointer to struct lbs_private structure
2032 * @param extra A pointer to the original command structure for which
2033 * 'resp' is a response
2034 * @param resp A pointer to the command response
2036 * @return 0 on success, error on failure
2038 int lbs_cmd_copyback(struct lbs_private
*priv
, unsigned long extra
,
2039 struct cmd_header
*resp
)
2041 struct cmd_header
*buf
= (void *)extra
;
2044 copy_len
= min(le16_to_cpu(buf
->size
), le16_to_cpu(resp
->size
));
2045 memcpy(buf
, resp
, copy_len
);
2048 EXPORT_SYMBOL_GPL(lbs_cmd_copyback
);
2050 struct cmd_ctrl_node
*__lbs_cmd_async(struct lbs_private
*priv
, uint16_t command
,
2051 struct cmd_header
*in_cmd
, int in_cmd_size
,
2052 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
2053 unsigned long callback_arg
)
2055 struct cmd_ctrl_node
*cmdnode
;
2057 lbs_deb_enter(LBS_DEB_HOST
);
2059 if (priv
->surpriseremoved
) {
2060 lbs_deb_host("PREP_CMD: card removed\n");
2061 cmdnode
= ERR_PTR(-ENOENT
);
2065 cmdnode
= lbs_get_cmd_ctrl_node(priv
);
2066 if (cmdnode
== NULL
) {
2067 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2069 /* Wake up main thread to execute next command */
2070 wake_up_interruptible(&priv
->waitq
);
2071 cmdnode
= ERR_PTR(-ENOBUFS
);
2075 cmdnode
->callback
= callback
;
2076 cmdnode
->callback_arg
= callback_arg
;
2078 /* Copy the incoming command to the buffer */
2079 memcpy(cmdnode
->cmdbuf
, in_cmd
, in_cmd_size
);
2081 /* Set sequence number, clean result, move to buffer */
2083 cmdnode
->cmdbuf
->command
= cpu_to_le16(command
);
2084 cmdnode
->cmdbuf
->size
= cpu_to_le16(in_cmd_size
);
2085 cmdnode
->cmdbuf
->seqnum
= cpu_to_le16(priv
->seqnum
);
2086 cmdnode
->cmdbuf
->result
= 0;
2088 lbs_deb_host("PREP_CMD: command 0x%04x\n", command
);
2090 /* here was the big old switch() statement, which is now obsolete,
2091 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2093 cmdnode
->cmdwaitqwoken
= 0;
2094 lbs_queue_cmd(priv
, cmdnode
);
2095 wake_up_interruptible(&priv
->waitq
);
2098 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %p", cmdnode
);
2102 int __lbs_cmd(struct lbs_private
*priv
, uint16_t command
,
2103 struct cmd_header
*in_cmd
, int in_cmd_size
,
2104 int (*callback
)(struct lbs_private
*, unsigned long, struct cmd_header
*),
2105 unsigned long callback_arg
)
2107 struct cmd_ctrl_node
*cmdnode
;
2108 unsigned long flags
;
2111 lbs_deb_enter(LBS_DEB_HOST
);
2113 cmdnode
= __lbs_cmd_async(priv
, command
, in_cmd
, in_cmd_size
,
2114 callback
, callback_arg
);
2115 if (IS_ERR(cmdnode
)) {
2116 ret
= PTR_ERR(cmdnode
);
2121 wait_event_interruptible(cmdnode
->cmdwait_q
, cmdnode
->cmdwaitqwoken
);
2123 spin_lock_irqsave(&priv
->driver_lock
, flags
);
2124 ret
= cmdnode
->result
;
2126 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2129 __lbs_cleanup_and_insert_cmd(priv
, cmdnode
);
2130 spin_unlock_irqrestore(&priv
->driver_lock
, flags
);
2133 lbs_deb_leave_args(LBS_DEB_HOST
, "ret %d", ret
);
2136 EXPORT_SYMBOL_GPL(__lbs_cmd
);