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);
20 * @brief Simple callback that copies response back into command
22 * @param priv A pointer to struct lbs_private structure
23 * @param extra A pointer to the original command structure for which
24 * 'resp' is a response
25 * @param resp A pointer to the command response
27 * @return 0 on success, error on failure
29 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
30 struct cmd_header *resp)
32 struct cmd_header *buf = (void *)extra;
35 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
36 memcpy(buf, resp, copy_len);
39 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
42 * @brief Simple callback that ignores the result. Use this if
43 * you just want to send a command to the hardware, but don't
44 * care for the result.
47 * @param extra ignored
50 * @return 0 for success
52 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
53 struct cmd_header *resp)
60 * @brief Checks whether a command is allowed in Power Save mode
62 * @param command the command ID
63 * @return 1 if allowed, 0 if not allowed
65 static u8 is_command_allowed_in_ps(u16 cmd)
77 * @brief Updates the hardware details like MAC address and regulatory region
79 * @param priv A pointer to struct lbs_private structure
81 * @return 0 on success, error on failure
83 int lbs_update_hw_spec(struct lbs_private *priv)
85 struct cmd_ds_get_hw_spec cmd;
90 lbs_deb_enter(LBS_DEB_CMD);
92 memset(&cmd, 0, sizeof(cmd));
93 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
94 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
95 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
99 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
101 /* The firmware release is in an interesting format: the patch
102 * level is in the most significant nibble ... so fix that: */
103 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
104 priv->fwrelease = (priv->fwrelease << 8) |
105 (priv->fwrelease >> 24 & 0xff);
107 /* Some firmware capabilities:
108 * CF card firmware 5.0.16p0: cap 0x00000303
109 * USB dongle firmware 5.110.17p2: cap 0x00000303
111 printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
112 print_mac(mac, cmd.permanentaddr),
113 priv->fwrelease >> 24 & 0xff,
114 priv->fwrelease >> 16 & 0xff,
115 priv->fwrelease >> 8 & 0xff,
116 priv->fwrelease & 0xff,
118 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
119 cmd.hwifversion, cmd.version);
121 /* Clamp region code to 8-bit since FW spec indicates that it should
122 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
123 * returns non-zero high 8 bits here.
125 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
127 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
128 /* use the region code to search for the index */
129 if (priv->regioncode == lbs_region_code_to_index[i])
133 /* if it's unidentified region code, use the default (USA) */
134 if (i >= MRVDRV_MAX_REGION_CODE) {
135 priv->regioncode = 0x10;
136 lbs_pr_info("unidentified region code; using the default (USA)\n");
139 if (priv->current_addr[0] == 0xff)
140 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
142 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
144 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
146 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
151 if (lbs_set_universaltable(priv, 0)) {
157 lbs_deb_leave(LBS_DEB_CMD);
161 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
163 struct cmd_ds_host_sleep cmd_config;
166 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
167 cmd_config.criteria = cpu_to_le32(criteria);
168 cmd_config.gpio = priv->wol_gpio;
169 cmd_config.gap = priv->wol_gap;
171 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
173 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
174 priv->wol_criteria = criteria;
176 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
181 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
183 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
186 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
188 lbs_deb_enter(LBS_DEB_CMD);
190 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
191 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
193 psm->action = cpu_to_le16(cmd_action);
194 psm->multipledtim = 0;
195 switch (cmd_action) {
196 case CMD_SUBCMD_ENTER_PS:
197 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
199 psm->locallisteninterval = 0;
200 psm->nullpktinterval = 0;
202 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
205 case CMD_SUBCMD_EXIT_PS:
206 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
209 case CMD_SUBCMD_SLEEP_CONFIRMED:
210 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
217 lbs_deb_leave(LBS_DEB_CMD);
221 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
222 uint16_t cmd_action, uint16_t *timeout)
224 struct cmd_ds_802_11_inactivity_timeout cmd;
227 lbs_deb_enter(LBS_DEB_CMD);
229 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
230 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
232 cmd.action = cpu_to_le16(cmd_action);
234 if (cmd_action == CMD_ACT_SET)
235 cmd.timeout = cpu_to_le16(*timeout);
239 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
242 *timeout = le16_to_cpu(cmd.timeout);
244 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
248 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
249 struct sleep_params *sp)
251 struct cmd_ds_802_11_sleep_params cmd;
254 lbs_deb_enter(LBS_DEB_CMD);
256 if (cmd_action == CMD_ACT_GET) {
257 memset(&cmd, 0, sizeof(cmd));
259 cmd.error = cpu_to_le16(sp->sp_error);
260 cmd.offset = cpu_to_le16(sp->sp_offset);
261 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
262 cmd.calcontrol = sp->sp_calcontrol;
263 cmd.externalsleepclk = sp->sp_extsleepclk;
264 cmd.reserved = cpu_to_le16(sp->sp_reserved);
266 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
267 cmd.action = cpu_to_le16(cmd_action);
269 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
272 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
273 "calcontrol 0x%x extsleepclk 0x%x\n",
274 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
275 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
276 cmd.externalsleepclk);
278 sp->sp_error = le16_to_cpu(cmd.error);
279 sp->sp_offset = le16_to_cpu(cmd.offset);
280 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
281 sp->sp_calcontrol = cmd.calcontrol;
282 sp->sp_extsleepclk = cmd.externalsleepclk;
283 sp->sp_reserved = le16_to_cpu(cmd.reserved);
286 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
290 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
291 struct assoc_request *assoc)
293 struct cmd_ds_802_11_set_wep cmd;
296 lbs_deb_enter(LBS_DEB_CMD);
298 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
299 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
301 cmd.action = cpu_to_le16(cmd_action);
303 if (cmd_action == CMD_ACT_ADD) {
306 /* default tx key index */
307 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
308 CMD_WEP_KEY_INDEX_MASK);
310 /* Copy key types and material to host command structure */
311 for (i = 0; i < 4; i++) {
312 struct enc_key *pkey = &assoc->wep_keys[i];
316 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
317 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
318 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
320 case KEY_LEN_WEP_104:
321 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
322 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
323 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
328 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
335 } else if (cmd_action == CMD_ACT_REMOVE) {
336 /* ACT_REMOVE clears _all_ WEP keys */
338 /* default tx key index */
339 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
340 CMD_WEP_KEY_INDEX_MASK);
341 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
344 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
346 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
350 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
353 struct cmd_ds_802_11_enable_rsn cmd;
356 lbs_deb_enter(LBS_DEB_CMD);
358 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
359 cmd.action = cpu_to_le16(cmd_action);
361 if (cmd_action == CMD_ACT_SET) {
363 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
365 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
366 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
369 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
370 if (!ret && cmd_action == CMD_ACT_GET)
371 *enable = le16_to_cpu(cmd.enable);
373 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
377 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
380 lbs_deb_enter(LBS_DEB_CMD);
382 if (key->flags & KEY_INFO_WPA_ENABLED)
383 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
384 if (key->flags & KEY_INFO_WPA_UNICAST)
385 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
386 if (key->flags & KEY_INFO_WPA_MCAST)
387 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
389 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
390 keyparam->keytypeid = cpu_to_le16(key->type);
391 keyparam->keylen = cpu_to_le16(key->len);
392 memcpy(keyparam->key, key->key, key->len);
394 /* Length field doesn't include the {type,length} header */
395 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
396 lbs_deb_leave(LBS_DEB_CMD);
399 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
400 struct assoc_request *assoc)
402 struct cmd_ds_802_11_key_material cmd;
406 lbs_deb_enter(LBS_DEB_CMD);
408 cmd.action = cpu_to_le16(cmd_action);
409 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
411 if (cmd_action == CMD_ACT_GET) {
412 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
414 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
416 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
417 set_one_wpa_key(&cmd.keyParamSet[index],
418 &assoc->wpa_unicast_key);
422 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
423 set_one_wpa_key(&cmd.keyParamSet[index],
424 &assoc->wpa_mcast_key);
428 /* The common header and as many keys as we included */
429 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
430 keyParamSet[index]));
432 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
433 /* Copy the returned key to driver private data */
434 if (!ret && cmd_action == CMD_ACT_GET) {
435 void *buf_ptr = cmd.keyParamSet;
436 void *resp_end = &(&cmd)[1];
438 while (buf_ptr < resp_end) {
439 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
441 uint16_t param_set_len = le16_to_cpu(keyparam->length);
442 uint16_t key_len = le16_to_cpu(keyparam->keylen);
443 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
444 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
447 end = (void *)keyparam + sizeof(keyparam->type)
448 + sizeof(keyparam->length) + param_set_len;
450 /* Make sure we don't access past the end of the IEs */
454 if (key_flags & KEY_INFO_WPA_UNICAST)
455 key = &priv->wpa_unicast_key;
456 else if (key_flags & KEY_INFO_WPA_MCAST)
457 key = &priv->wpa_mcast_key;
461 /* Copy returned key into driver */
462 memset(key, 0, sizeof(struct enc_key));
463 if (key_len > sizeof(key->key))
465 key->type = key_type;
466 key->flags = key_flags;
468 memcpy(key->key, keyparam->key, key->len);
474 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
478 static int lbs_cmd_802_11_reset(struct cmd_ds_command *cmd, int cmd_action)
480 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
482 lbs_deb_enter(LBS_DEB_CMD);
484 cmd->command = cpu_to_le16(CMD_802_11_RESET);
485 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
486 reset->action = cpu_to_le16(cmd_action);
488 lbs_deb_leave(LBS_DEB_CMD);
492 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
493 struct cmd_ds_command *cmd,
495 int cmd_oid, void *pdata_buf)
497 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
500 lbs_deb_enter(LBS_DEB_CMD);
502 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
504 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
505 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
508 case OID_802_11_INFRASTRUCTURE_MODE:
510 u8 mode = (u8) (size_t) pdata_buf;
511 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
512 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
513 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
514 if (mode == IW_MODE_ADHOC) {
515 ucTemp = SNMP_MIB_VALUE_ADHOC;
517 /* Infra and Auto modes */
518 ucTemp = SNMP_MIB_VALUE_INFRA;
521 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
526 case OID_802_11D_ENABLE:
530 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
532 if (cmd_action == CMD_ACT_SET) {
533 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
534 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
535 ulTemp = *(u32 *)pdata_buf;
536 *((__le16 *)(pSNMPMIB->value)) =
537 cpu_to_le16((u16) ulTemp);
542 case OID_802_11_FRAGMENTATION_THRESHOLD:
546 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
548 if (cmd_action == CMD_ACT_GET) {
549 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
550 } else if (cmd_action == CMD_ACT_SET) {
551 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
552 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
553 ulTemp = *((u32 *) pdata_buf);
554 *((__le16 *)(pSNMPMIB->value)) =
555 cpu_to_le16((u16) ulTemp);
562 case OID_802_11_RTS_THRESHOLD:
566 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
568 if (cmd_action == CMD_ACT_GET) {
569 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
570 } else if (cmd_action == CMD_ACT_SET) {
571 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
572 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
573 ulTemp = *((u32 *)pdata_buf);
574 *(__le16 *)(pSNMPMIB->value) =
575 cpu_to_le16((u16) ulTemp);
580 case OID_802_11_TX_RETRYCOUNT:
581 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
583 if (cmd_action == CMD_ACT_GET) {
584 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
585 } else if (cmd_action == CMD_ACT_SET) {
586 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
587 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
588 *((__le16 *)(pSNMPMIB->value)) =
589 cpu_to_le16((u16) priv->txretrycount);
598 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
599 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
600 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
603 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
604 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
605 le16_to_cpu(pSNMPMIB->bufsize),
606 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
608 lbs_deb_leave(LBS_DEB_CMD);
612 static int lbs_cmd_802_11_rf_tx_power(struct cmd_ds_command *cmd,
613 u16 cmd_action, void *pdata_buf)
616 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
618 lbs_deb_enter(LBS_DEB_CMD);
621 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
622 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
623 prtp->action = cpu_to_le16(cmd_action);
625 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
626 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
627 le16_to_cpu(prtp->action));
629 switch (cmd_action) {
630 case CMD_ACT_TX_POWER_OPT_GET:
631 prtp->action = cpu_to_le16(CMD_ACT_GET);
632 prtp->currentlevel = 0;
635 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
636 prtp->action = cpu_to_le16(CMD_ACT_SET);
637 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
640 case CMD_ACT_TX_POWER_OPT_SET_MID:
641 prtp->action = cpu_to_le16(CMD_ACT_SET);
642 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
645 case CMD_ACT_TX_POWER_OPT_SET_LOW:
646 prtp->action = cpu_to_le16(CMD_ACT_SET);
647 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
651 lbs_deb_leave(LBS_DEB_CMD);
655 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
656 u16 cmd_action, void *pdata_buf)
658 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
660 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
662 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
665 monitor->action = cpu_to_le16(cmd_action);
666 if (cmd_action == CMD_ACT_SET) {
668 cpu_to_le16((u16) (*(u32 *) pdata_buf));
674 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
675 struct cmd_ds_command *cmd,
678 struct cmd_ds_802_11_rate_adapt_rateset
679 *rateadapt = &cmd->params.rateset;
681 lbs_deb_enter(LBS_DEB_CMD);
683 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
685 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
687 rateadapt->action = cpu_to_le16(cmd_action);
688 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
689 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
691 lbs_deb_leave(LBS_DEB_CMD);
696 * @brief Get the current data rate
698 * @param priv A pointer to struct lbs_private structure
700 * @return The data rate on success, error on failure
702 int lbs_get_data_rate(struct lbs_private *priv)
704 struct cmd_ds_802_11_data_rate cmd;
707 lbs_deb_enter(LBS_DEB_CMD);
709 memset(&cmd, 0, sizeof(cmd));
710 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
711 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
713 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
717 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
719 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
720 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
723 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
728 * @brief Set the data rate
730 * @param priv A pointer to struct lbs_private structure
731 * @param rate The desired data rate, or 0 to clear a locked rate
733 * @return 0 on success, error on failure
735 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
737 struct cmd_ds_802_11_data_rate cmd;
740 lbs_deb_enter(LBS_DEB_CMD);
742 memset(&cmd, 0, sizeof(cmd));
743 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
746 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
747 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
748 if (cmd.rates[0] == 0) {
749 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
754 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
756 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
757 lbs_deb_cmd("DATA_RATE: setting auto\n");
760 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
764 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
766 /* FIXME: get actual rates FW can do if this command actually returns
767 * all data rates supported.
769 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
770 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
773 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
777 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
778 struct cmd_ds_command *cmd,
781 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
783 lbs_deb_enter(LBS_DEB_CMD);
784 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
786 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
788 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
789 pMCastAdr->action = cpu_to_le16(cmd_action);
790 pMCastAdr->nr_of_adrs =
791 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
792 memcpy(pMCastAdr->maclist, priv->multicastlist,
793 priv->nr_of_multicastmacaddr * ETH_ALEN);
795 lbs_deb_leave(LBS_DEB_CMD);
800 * @brief Get the radio channel
802 * @param priv A pointer to struct lbs_private structure
804 * @return The channel on success, error on failure
806 int lbs_get_channel(struct lbs_private *priv)
808 struct cmd_ds_802_11_rf_channel cmd;
811 lbs_deb_enter(LBS_DEB_CMD);
813 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
814 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
816 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
820 ret = le16_to_cpu(cmd.channel);
821 lbs_deb_cmd("current radio channel is %d\n", ret);
824 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
829 * @brief Set the radio channel
831 * @param priv A pointer to struct lbs_private structure
832 * @param channel The desired channel, or 0 to clear a locked channel
834 * @return 0 on success, error on failure
836 int lbs_set_channel(struct lbs_private *priv, u8 channel)
838 struct cmd_ds_802_11_rf_channel cmd;
839 u8 old_channel = priv->curbssparams.channel;
842 lbs_deb_enter(LBS_DEB_CMD);
844 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
845 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
846 cmd.channel = cpu_to_le16(channel);
848 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
852 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
853 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
854 priv->curbssparams.channel);
857 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
861 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
862 struct cmd_ds_command *cmd)
865 lbs_deb_enter(LBS_DEB_CMD);
866 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
867 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
868 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
870 /* reset Beacon SNR/NF/RSSI values */
871 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
872 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
873 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
874 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
875 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
876 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
878 lbs_deb_leave(LBS_DEB_CMD);
882 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
883 u8 cmd_action, void *pdata_buf)
885 struct lbs_offset_value *offval;
887 lbs_deb_enter(LBS_DEB_CMD);
889 offval = (struct lbs_offset_value *)pdata_buf;
891 switch (le16_to_cpu(cmdptr->command)) {
892 case CMD_MAC_REG_ACCESS:
894 struct cmd_ds_mac_reg_access *macreg;
897 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
900 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
903 macreg->action = cpu_to_le16(cmd_action);
904 macreg->offset = cpu_to_le16((u16) offval->offset);
905 macreg->value = cpu_to_le32(offval->value);
910 case CMD_BBP_REG_ACCESS:
912 struct cmd_ds_bbp_reg_access *bbpreg;
916 (struct cmd_ds_bbp_reg_access)
919 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
922 bbpreg->action = cpu_to_le16(cmd_action);
923 bbpreg->offset = cpu_to_le16((u16) offval->offset);
924 bbpreg->value = (u8) offval->value;
929 case CMD_RF_REG_ACCESS:
931 struct cmd_ds_rf_reg_access *rfreg;
935 (struct cmd_ds_rf_reg_access) +
938 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
941 rfreg->action = cpu_to_le16(cmd_action);
942 rfreg->offset = cpu_to_le16((u16) offval->offset);
943 rfreg->value = (u8) offval->value;
952 lbs_deb_leave(LBS_DEB_CMD);
956 static int lbs_cmd_802_11_eeprom_access(struct cmd_ds_command *cmd,
959 struct lbs_ioctl_regrdwr *ea = pdata_buf;
961 lbs_deb_enter(LBS_DEB_CMD);
963 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
964 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
968 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
969 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
970 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
971 cmd->params.rdeeprom.value = 0;
973 lbs_deb_leave(LBS_DEB_CMD);
977 static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
978 u16 cmd_action, void *pdata_buf)
980 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
981 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
983 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
984 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
986 bt_access->action = cpu_to_le16(cmd_action);
988 switch (cmd_action) {
989 case CMD_ACT_BT_ACCESS_ADD:
990 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
991 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
993 case CMD_ACT_BT_ACCESS_DEL:
994 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
995 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
997 case CMD_ACT_BT_ACCESS_LIST:
998 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1000 case CMD_ACT_BT_ACCESS_RESET:
1002 case CMD_ACT_BT_ACCESS_SET_INVERT:
1003 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1005 case CMD_ACT_BT_ACCESS_GET_INVERT:
1010 lbs_deb_leave(LBS_DEB_CMD);
1014 static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
1015 u16 cmd_action, void *pdata_buf)
1017 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1018 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1020 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1021 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1025 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1027 memset(fwt_access, 0, sizeof(*fwt_access));
1029 fwt_access->action = cpu_to_le16(cmd_action);
1031 lbs_deb_leave(LBS_DEB_CMD);
1035 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1036 struct cmd_ds_mesh_access *cmd)
1040 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1042 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1043 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1044 cmd->hdr.result = 0;
1046 cmd->action = cpu_to_le16(cmd_action);
1048 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1050 lbs_deb_leave(LBS_DEB_CMD);
1054 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1056 struct cmd_ds_mesh_config cmd;
1058 memset(&cmd, 0, sizeof(cmd));
1059 cmd.action = cpu_to_le16(enable);
1060 cmd.channel = cpu_to_le16(chan);
1061 cmd.type = cpu_to_le16(priv->mesh_tlv);
1062 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1065 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1066 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1068 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1069 enable, priv->mesh_tlv, chan,
1070 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1071 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1074 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1075 struct cmd_ds_command *cmd,
1078 struct cmd_ds_802_11_beacon_control
1079 *bcn_ctrl = &cmd->params.bcn_ctrl;
1081 lbs_deb_enter(LBS_DEB_CMD);
1083 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1085 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1087 bcn_ctrl->action = cpu_to_le16(cmd_action);
1088 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1089 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1091 lbs_deb_leave(LBS_DEB_CMD);
1095 static void lbs_queue_cmd(struct lbs_private *priv,
1096 struct cmd_ctrl_node *cmdnode)
1098 unsigned long flags;
1101 lbs_deb_enter(LBS_DEB_HOST);
1104 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1107 if (!cmdnode->cmdbuf->size) {
1108 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1111 cmdnode->result = 0;
1113 /* Exit_PS command needs to be queued in the header always. */
1114 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1115 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1117 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1118 if (priv->psstate != PS_STATE_FULL_POWER)
1123 spin_lock_irqsave(&priv->driver_lock, flags);
1126 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1128 list_add(&cmdnode->list, &priv->cmdpendingq);
1130 spin_unlock_irqrestore(&priv->driver_lock, flags);
1132 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1133 le16_to_cpu(cmdnode->cmdbuf->command));
1136 lbs_deb_leave(LBS_DEB_HOST);
1139 static void lbs_submit_command(struct lbs_private *priv,
1140 struct cmd_ctrl_node *cmdnode)
1142 unsigned long flags;
1143 struct cmd_header *cmd;
1149 lbs_deb_enter(LBS_DEB_HOST);
1151 cmd = cmdnode->cmdbuf;
1153 spin_lock_irqsave(&priv->driver_lock, flags);
1154 priv->cur_cmd = cmdnode;
1155 priv->cur_cmd_retcode = 0;
1156 spin_unlock_irqrestore(&priv->driver_lock, flags);
1158 cmdsize = le16_to_cpu(cmd->size);
1159 command = le16_to_cpu(cmd->command);
1161 /* These commands take longer */
1162 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1163 command == CMD_802_11_AUTHENTICATE)
1166 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1167 command, le16_to_cpu(cmd->seqnum), cmdsize);
1168 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1170 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1173 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1174 /* Let the timer kick in and retry, and potentially reset
1175 the whole thing if the condition persists */
1179 /* Setup the timer after transmit command */
1180 mod_timer(&priv->command_timer, jiffies + timeo);
1182 lbs_deb_leave(LBS_DEB_HOST);
1186 * This function inserts command node to cmdfreeq
1187 * after cleans it. Requires priv->driver_lock held.
1189 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1190 struct cmd_ctrl_node *cmdnode)
1192 lbs_deb_enter(LBS_DEB_HOST);
1197 cmdnode->callback = NULL;
1198 cmdnode->callback_arg = 0;
1200 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1202 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1204 lbs_deb_leave(LBS_DEB_HOST);
1207 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1208 struct cmd_ctrl_node *ptempcmd)
1210 unsigned long flags;
1212 spin_lock_irqsave(&priv->driver_lock, flags);
1213 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1214 spin_unlock_irqrestore(&priv->driver_lock, flags);
1217 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1220 if (cmd == priv->cur_cmd)
1221 priv->cur_cmd_retcode = result;
1223 cmd->result = result;
1224 cmd->cmdwaitqwoken = 1;
1225 wake_up_interruptible(&cmd->cmdwait_q);
1227 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1228 __lbs_cleanup_and_insert_cmd(priv, cmd);
1229 priv->cur_cmd = NULL;
1232 int lbs_set_radio_control(struct lbs_private *priv)
1235 struct cmd_ds_802_11_radio_control cmd;
1237 lbs_deb_enter(LBS_DEB_CMD);
1239 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1240 cmd.action = cpu_to_le16(CMD_ACT_SET);
1242 switch (priv->preamble) {
1243 case CMD_TYPE_SHORT_PREAMBLE:
1244 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1247 case CMD_TYPE_LONG_PREAMBLE:
1248 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1251 case CMD_TYPE_AUTO_PREAMBLE:
1253 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1258 cmd.control |= cpu_to_le16(TURN_ON_RF);
1260 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1262 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1265 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1267 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1271 void lbs_set_mac_control(struct lbs_private *priv)
1273 struct cmd_ds_mac_control cmd;
1275 lbs_deb_enter(LBS_DEB_CMD);
1277 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1278 cmd.action = cpu_to_le16(priv->mac_control);
1281 lbs_cmd_async(priv, CMD_MAC_CONTROL,
1282 &cmd.hdr, sizeof(cmd));
1284 lbs_deb_leave(LBS_DEB_CMD);
1288 * @brief This function prepare the command before send to firmware.
1290 * @param priv A pointer to struct lbs_private structure
1291 * @param cmd_no command number
1292 * @param cmd_action command action: GET or SET
1293 * @param wait_option wait option: wait response or not
1294 * @param cmd_oid cmd oid: treated as sub command
1295 * @param pdata_buf A pointer to informaion buffer
1298 int lbs_prepare_and_send_command(struct lbs_private *priv,
1301 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1304 struct cmd_ctrl_node *cmdnode;
1305 struct cmd_ds_command *cmdptr;
1306 unsigned long flags;
1308 lbs_deb_enter(LBS_DEB_HOST);
1311 lbs_deb_host("PREP_CMD: priv is NULL\n");
1316 if (priv->surpriseremoved) {
1317 lbs_deb_host("PREP_CMD: card removed\n");
1322 cmdnode = lbs_get_cmd_ctrl_node(priv);
1324 if (cmdnode == NULL) {
1325 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1327 /* Wake up main thread to execute next command */
1328 wake_up_interruptible(&priv->waitq);
1333 cmdnode->callback = NULL;
1334 cmdnode->callback_arg = (unsigned long)pdata_buf;
1336 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1338 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1340 /* Set sequence number, command and INT option */
1342 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1344 cmdptr->command = cpu_to_le16(cmd_no);
1348 case CMD_802_11_PS_MODE:
1349 ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
1352 case CMD_802_11_ASSOCIATE:
1353 case CMD_802_11_REASSOCIATE:
1354 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1357 case CMD_802_11_DEAUTHENTICATE:
1358 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1361 case CMD_802_11_AD_HOC_START:
1362 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1365 case CMD_802_11_RESET:
1366 ret = lbs_cmd_802_11_reset(cmdptr, cmd_action);
1369 case CMD_802_11_AUTHENTICATE:
1370 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1373 case CMD_802_11_SNMP_MIB:
1374 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1375 cmd_action, cmd_oid, pdata_buf);
1378 case CMD_MAC_REG_ACCESS:
1379 case CMD_BBP_REG_ACCESS:
1380 case CMD_RF_REG_ACCESS:
1381 ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
1384 case CMD_802_11_RF_TX_POWER:
1385 ret = lbs_cmd_802_11_rf_tx_power(cmdptr,
1386 cmd_action, pdata_buf);
1389 case CMD_802_11_RATE_ADAPT_RATESET:
1390 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1391 cmdptr, cmd_action);
1394 case CMD_MAC_MULTICAST_ADR:
1395 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1398 case CMD_802_11_MONITOR_MODE:
1399 ret = lbs_cmd_802_11_monitor_mode(cmdptr,
1400 cmd_action, pdata_buf);
1403 case CMD_802_11_AD_HOC_JOIN:
1404 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1407 case CMD_802_11_RSSI:
1408 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1411 case CMD_802_11_AD_HOC_STOP:
1412 ret = lbs_cmd_80211_ad_hoc_stop(cmdptr);
1415 case CMD_802_11_EEPROM_ACCESS:
1416 ret = lbs_cmd_802_11_eeprom_access(cmdptr, pdata_buf);
1419 case CMD_802_11_SET_AFC:
1420 case CMD_802_11_GET_AFC:
1422 cmdptr->command = cpu_to_le16(cmd_no);
1423 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1426 memmove(&cmdptr->params.afc,
1427 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1432 case CMD_802_11D_DOMAIN_INFO:
1433 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1434 cmd_no, cmd_action);
1437 case CMD_802_11_TPC_CFG:
1438 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1440 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1443 memmove(&cmdptr->params.tpccfg,
1444 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1448 case CMD_802_11_LED_GPIO_CTRL:
1450 struct mrvlietypes_ledgpio *gpio =
1451 (struct mrvlietypes_ledgpio*)
1452 cmdptr->params.ledgpio.data;
1454 memmove(&cmdptr->params.ledgpio,
1456 sizeof(struct cmd_ds_802_11_led_ctrl));
1459 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1461 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1463 cpu_to_le16(le16_to_cpu(gpio->header.len)
1465 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1466 gpio->header.len = gpio->header.len;
1473 ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
1476 case CMD_FWT_ACCESS:
1477 ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
1481 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1482 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1486 case CMD_802_11_BEACON_CTRL:
1487 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1490 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1495 /* return error, since the command preparation failed */
1497 lbs_deb_host("PREP_CMD: command preparation failed\n");
1498 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1503 cmdnode->cmdwaitqwoken = 0;
1505 lbs_queue_cmd(priv, cmdnode);
1506 wake_up_interruptible(&priv->waitq);
1508 if (wait_option & CMD_OPTION_WAITFORRSP) {
1509 lbs_deb_host("PREP_CMD: wait for response\n");
1511 wait_event_interruptible(cmdnode->cmdwait_q,
1512 cmdnode->cmdwaitqwoken);
1515 spin_lock_irqsave(&priv->driver_lock, flags);
1516 if (priv->cur_cmd_retcode) {
1517 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1518 priv->cur_cmd_retcode);
1519 priv->cur_cmd_retcode = 0;
1522 spin_unlock_irqrestore(&priv->driver_lock, flags);
1525 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1530 * @brief This function allocates the command buffer and link
1531 * it to command free queue.
1533 * @param priv A pointer to struct lbs_private structure
1536 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1541 struct cmd_ctrl_node *cmdarray;
1543 lbs_deb_enter(LBS_DEB_HOST);
1545 /* Allocate and initialize the command array */
1546 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1547 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1548 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1552 priv->cmd_array = cmdarray;
1554 /* Allocate and initialize each command buffer in the command array */
1555 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1556 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1557 if (!cmdarray[i].cmdbuf) {
1558 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1564 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1565 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1566 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1571 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1576 * @brief This function frees the command buffer.
1578 * @param priv A pointer to struct lbs_private structure
1581 int lbs_free_cmd_buffer(struct lbs_private *priv)
1583 struct cmd_ctrl_node *cmdarray;
1586 lbs_deb_enter(LBS_DEB_HOST);
1588 /* need to check if cmd array is allocated or not */
1589 if (priv->cmd_array == NULL) {
1590 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1594 cmdarray = priv->cmd_array;
1596 /* Release shared memory buffers */
1597 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1598 if (cmdarray[i].cmdbuf) {
1599 kfree(cmdarray[i].cmdbuf);
1600 cmdarray[i].cmdbuf = NULL;
1604 /* Release cmd_ctrl_node */
1605 if (priv->cmd_array) {
1606 kfree(priv->cmd_array);
1607 priv->cmd_array = NULL;
1611 lbs_deb_leave(LBS_DEB_HOST);
1616 * @brief This function gets a free command node if available in
1617 * command free queue.
1619 * @param priv A pointer to struct lbs_private structure
1620 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1622 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1624 struct cmd_ctrl_node *tempnode;
1625 unsigned long flags;
1627 lbs_deb_enter(LBS_DEB_HOST);
1632 spin_lock_irqsave(&priv->driver_lock, flags);
1634 if (!list_empty(&priv->cmdfreeq)) {
1635 tempnode = list_first_entry(&priv->cmdfreeq,
1636 struct cmd_ctrl_node, list);
1637 list_del(&tempnode->list);
1639 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1643 spin_unlock_irqrestore(&priv->driver_lock, flags);
1645 lbs_deb_leave(LBS_DEB_HOST);
1650 * @brief This function executes next command in command
1651 * pending queue. It will put fimware back to PS mode
1654 * @param priv A pointer to struct lbs_private structure
1657 int lbs_execute_next_command(struct lbs_private *priv)
1659 struct cmd_ctrl_node *cmdnode = NULL;
1660 struct cmd_header *cmd;
1661 unsigned long flags;
1664 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1665 * only caller to us is lbs_thread() and we get even when a
1666 * data packet is received */
1667 lbs_deb_enter(LBS_DEB_THREAD);
1669 spin_lock_irqsave(&priv->driver_lock, flags);
1671 if (priv->cur_cmd) {
1672 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1673 spin_unlock_irqrestore(&priv->driver_lock, flags);
1678 if (!list_empty(&priv->cmdpendingq)) {
1679 cmdnode = list_first_entry(&priv->cmdpendingq,
1680 struct cmd_ctrl_node, list);
1683 spin_unlock_irqrestore(&priv->driver_lock, flags);
1686 cmd = cmdnode->cmdbuf;
1688 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1689 if ((priv->psstate == PS_STATE_SLEEP) ||
1690 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1692 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1693 le16_to_cpu(cmd->command),
1698 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1699 "0x%04x in psstate %d\n",
1700 le16_to_cpu(cmd->command), priv->psstate);
1701 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1703 * 1. Non-PS command:
1704 * Queue it. set needtowakeup to TRUE if current state
1705 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1706 * 2. PS command but not Exit_PS:
1708 * 3. PS command Exit_PS:
1709 * Set needtowakeup to TRUE if current state is SLEEP,
1710 * otherwise send this command down to firmware
1713 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1714 /* Prepare to send Exit PS,
1715 * this non PS command will be sent later */
1716 if ((priv->psstate == PS_STATE_SLEEP)
1717 || (priv->psstate == PS_STATE_PRE_SLEEP)
1719 /* w/ new scheme, it will not reach here.
1720 since it is blocked in main_thread. */
1721 priv->needtowakeup = 1;
1723 lbs_ps_wakeup(priv, 0);
1729 * PS command. Ignore it if it is not Exit_PS.
1730 * otherwise send it down immediately.
1732 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1735 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1738 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1740 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1741 list_del(&cmdnode->list);
1742 spin_lock_irqsave(&priv->driver_lock, flags);
1743 lbs_complete_command(priv, cmdnode, 0);
1744 spin_unlock_irqrestore(&priv->driver_lock, flags);
1750 if ((priv->psstate == PS_STATE_SLEEP) ||
1751 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1753 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\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);
1758 priv->needtowakeup = 1;
1765 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1768 list_del(&cmdnode->list);
1769 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1770 le16_to_cpu(cmd->command));
1771 lbs_submit_command(priv, cmdnode);
1774 * check if in power save mode, if yes, put the device back
1777 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1778 (priv->psstate == PS_STATE_FULL_POWER) &&
1779 ((priv->connect_status == LBS_CONNECTED) ||
1780 (priv->mesh_connect_status == LBS_CONNECTED))) {
1781 if (priv->secinfo.WPAenabled ||
1782 priv->secinfo.WPA2enabled) {
1783 /* check for valid WPA group keys */
1784 if (priv->wpa_mcast_key.len ||
1785 priv->wpa_unicast_key.len) {
1787 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1788 " go back to PS_SLEEP");
1789 lbs_ps_sleep(priv, 0);
1793 "EXEC_NEXT_CMD: cmdpendingq empty, "
1794 "go back to PS_SLEEP");
1795 lbs_ps_sleep(priv, 0);
1802 lbs_deb_leave(LBS_DEB_THREAD);
1806 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1808 union iwreq_data iwrq;
1811 lbs_deb_enter(LBS_DEB_WEXT);
1813 memset(&iwrq, 0, sizeof(union iwreq_data));
1814 memset(buf, 0, sizeof(buf));
1816 snprintf(buf, sizeof(buf) - 1, "%s", str);
1818 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1820 /* Send Event to upper layer */
1821 lbs_deb_wext("event indication string %s\n", (char *)buf);
1822 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1823 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1825 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1827 lbs_deb_leave(LBS_DEB_WEXT);
1830 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1832 unsigned long flags;
1835 lbs_deb_enter(LBS_DEB_HOST);
1836 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1838 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1840 spin_lock_irqsave(&priv->driver_lock, flags);
1841 if (priv->intcounter || priv->currenttxskb)
1842 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1843 priv->intcounter, priv->currenttxskb);
1844 spin_unlock_irqrestore(&priv->driver_lock, flags);
1848 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1850 spin_lock_irqsave(&priv->driver_lock, flags);
1851 if (!priv->intcounter) {
1852 priv->psstate = PS_STATE_SLEEP;
1854 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1857 spin_unlock_irqrestore(&priv->driver_lock, flags);
1860 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1864 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1866 lbs_deb_enter(LBS_DEB_HOST);
1869 * PS is currently supported only in Infrastructure mode
1870 * Remove this check if it is to be supported in IBSS mode also
1873 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1874 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1876 lbs_deb_leave(LBS_DEB_HOST);
1880 * @brief This function sends Exit_PS command to firmware.
1882 * @param priv A pointer to struct lbs_private structure
1883 * @param wait_option wait response or not
1886 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1890 lbs_deb_enter(LBS_DEB_HOST);
1892 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1894 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1896 wait_option, 0, &Localpsmode);
1898 lbs_deb_leave(LBS_DEB_HOST);
1902 * @brief This function checks condition and prepares to
1903 * send sleep confirm command to firmware if ok.
1905 * @param priv A pointer to struct lbs_private structure
1906 * @param psmode Power Saving mode
1909 void lbs_ps_confirm_sleep(struct lbs_private *priv)
1911 unsigned long flags =0;
1914 lbs_deb_enter(LBS_DEB_HOST);
1916 if (priv->dnld_sent) {
1918 lbs_deb_host("dnld_sent was set\n");
1921 spin_lock_irqsave(&priv->driver_lock, flags);
1922 if (priv->cur_cmd) {
1924 lbs_deb_host("cur_cmd was set\n");
1926 if (priv->intcounter > 0) {
1928 lbs_deb_host("intcounter %d\n", priv->intcounter);
1930 spin_unlock_irqrestore(&priv->driver_lock, flags);
1933 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1934 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
1935 sizeof(struct PS_CMD_ConfirmSleep));
1937 lbs_deb_host("sleep confirm has been delayed\n");
1940 lbs_deb_leave(LBS_DEB_HOST);
1944 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
1945 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
1946 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1947 unsigned long callback_arg)
1949 struct cmd_ctrl_node *cmdnode;
1951 lbs_deb_enter(LBS_DEB_HOST);
1953 if (priv->surpriseremoved) {
1954 lbs_deb_host("PREP_CMD: card removed\n");
1955 cmdnode = ERR_PTR(-ENOENT);
1959 cmdnode = lbs_get_cmd_ctrl_node(priv);
1960 if (cmdnode == NULL) {
1961 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1963 /* Wake up main thread to execute next command */
1964 wake_up_interruptible(&priv->waitq);
1965 cmdnode = ERR_PTR(-ENOBUFS);
1969 cmdnode->callback = callback;
1970 cmdnode->callback_arg = callback_arg;
1972 /* Copy the incoming command to the buffer */
1973 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
1975 /* Set sequence number, clean result, move to buffer */
1977 cmdnode->cmdbuf->command = cpu_to_le16(command);
1978 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
1979 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
1980 cmdnode->cmdbuf->result = 0;
1982 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
1984 cmdnode->cmdwaitqwoken = 0;
1985 lbs_queue_cmd(priv, cmdnode);
1986 wake_up_interruptible(&priv->waitq);
1989 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
1993 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
1994 struct cmd_header *in_cmd, int in_cmd_size)
1996 lbs_deb_enter(LBS_DEB_CMD);
1997 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
1998 lbs_cmd_async_callback, 0);
1999 lbs_deb_leave(LBS_DEB_CMD);
2002 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2003 struct cmd_header *in_cmd, int in_cmd_size,
2004 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2005 unsigned long callback_arg)
2007 struct cmd_ctrl_node *cmdnode;
2008 unsigned long flags;
2011 lbs_deb_enter(LBS_DEB_HOST);
2013 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2014 callback, callback_arg);
2015 if (IS_ERR(cmdnode)) {
2016 ret = PTR_ERR(cmdnode);
2021 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2023 spin_lock_irqsave(&priv->driver_lock, flags);
2024 ret = cmdnode->result;
2026 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2029 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2030 spin_unlock_irqrestore(&priv->driver_lock, flags);
2033 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2036 EXPORT_SYMBOL_GPL(__lbs_cmd);