2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
6 #include <net/iw_handler.h>
7 #include <net/lib80211.h>
8 #include <linux/kfifo.h>
18 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
22 * @brief Simple callback that copies response back into command
24 * @param priv A pointer to struct lbs_private structure
25 * @param extra A pointer to the original command structure for which
26 * 'resp' is a response
27 * @param resp A pointer to the command response
29 * @return 0 on success, error on failure
31 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
32 struct cmd_header *resp)
34 struct cmd_header *buf = (void *)extra;
37 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
38 memcpy(buf, resp, copy_len);
41 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
44 * @brief Simple callback that ignores the result. Use this if
45 * you just want to send a command to the hardware, but don't
46 * care for the result.
49 * @param extra ignored
52 * @return 0 for success
54 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
55 struct cmd_header *resp)
62 * @brief Checks whether a command is allowed in Power Save mode
64 * @param command the command ID
65 * @return 1 if allowed, 0 if not allowed
67 static u8 is_command_allowed_in_ps(u16 cmd)
79 * @brief Updates the hardware details like MAC address and regulatory region
81 * @param priv A pointer to struct lbs_private structure
83 * @return 0 on success, error on failure
85 int lbs_update_hw_spec(struct lbs_private *priv)
87 struct cmd_ds_get_hw_spec cmd;
91 lbs_deb_enter(LBS_DEB_CMD);
93 memset(&cmd, 0, sizeof(cmd));
94 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
95 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
96 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
100 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
102 /* The firmware release is in an interesting format: the patch
103 * level is in the most significant nibble ... so fix that: */
104 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
105 priv->fwrelease = (priv->fwrelease << 8) |
106 (priv->fwrelease >> 24 & 0xff);
108 /* Some firmware capabilities:
109 * CF card firmware 5.0.16p0: cap 0x00000303
110 * USB dongle firmware 5.110.17p2: cap 0x00000303
112 lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
114 priv->fwrelease >> 24 & 0xff,
115 priv->fwrelease >> 16 & 0xff,
116 priv->fwrelease >> 8 & 0xff,
117 priv->fwrelease & 0xff,
119 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
120 cmd.hwifversion, cmd.version);
122 /* Clamp region code to 8-bit since FW spec indicates that it should
123 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
124 * returns non-zero high 8 bits here.
126 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
128 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
129 /* use the region code to search for the index */
130 if (priv->regioncode == lbs_region_code_to_index[i])
134 /* if it's unidentified region code, use the default (USA) */
135 if (i >= MRVDRV_MAX_REGION_CODE) {
136 priv->regioncode = 0x10;
137 lbs_pr_info("unidentified region code; using the default (USA)\n");
140 if (priv->current_addr[0] == 0xff)
141 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
143 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
145 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
147 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
152 if (lbs_set_universaltable(priv, 0)) {
158 lbs_deb_leave(LBS_DEB_CMD);
162 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
164 struct cmd_ds_host_sleep cmd_config;
167 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
168 cmd_config.criteria = cpu_to_le32(criteria);
169 cmd_config.gpio = priv->wol_gpio;
170 cmd_config.gap = priv->wol_gap;
172 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
174 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
175 priv->wol_criteria = criteria;
177 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
182 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
184 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
187 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
189 lbs_deb_enter(LBS_DEB_CMD);
191 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
192 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
194 psm->action = cpu_to_le16(cmd_action);
195 psm->multipledtim = 0;
196 switch (cmd_action) {
197 case CMD_SUBCMD_ENTER_PS:
198 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
200 psm->locallisteninterval = 0;
201 psm->nullpktinterval = 0;
203 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
206 case CMD_SUBCMD_EXIT_PS:
207 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
210 case CMD_SUBCMD_SLEEP_CONFIRMED:
211 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
218 lbs_deb_leave(LBS_DEB_CMD);
222 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
223 uint16_t cmd_action, uint16_t *timeout)
225 struct cmd_ds_802_11_inactivity_timeout cmd;
228 lbs_deb_enter(LBS_DEB_CMD);
230 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
231 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
233 cmd.action = cpu_to_le16(cmd_action);
235 if (cmd_action == CMD_ACT_SET)
236 cmd.timeout = cpu_to_le16(*timeout);
240 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
243 *timeout = le16_to_cpu(cmd.timeout);
245 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
249 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
250 struct sleep_params *sp)
252 struct cmd_ds_802_11_sleep_params cmd;
255 lbs_deb_enter(LBS_DEB_CMD);
257 if (cmd_action == CMD_ACT_GET) {
258 memset(&cmd, 0, sizeof(cmd));
260 cmd.error = cpu_to_le16(sp->sp_error);
261 cmd.offset = cpu_to_le16(sp->sp_offset);
262 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
263 cmd.calcontrol = sp->sp_calcontrol;
264 cmd.externalsleepclk = sp->sp_extsleepclk;
265 cmd.reserved = cpu_to_le16(sp->sp_reserved);
267 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
268 cmd.action = cpu_to_le16(cmd_action);
270 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
273 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
274 "calcontrol 0x%x extsleepclk 0x%x\n",
275 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
276 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
277 cmd.externalsleepclk);
279 sp->sp_error = le16_to_cpu(cmd.error);
280 sp->sp_offset = le16_to_cpu(cmd.offset);
281 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
282 sp->sp_calcontrol = cmd.calcontrol;
283 sp->sp_extsleepclk = cmd.externalsleepclk;
284 sp->sp_reserved = le16_to_cpu(cmd.reserved);
287 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
291 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
292 struct assoc_request *assoc)
294 struct cmd_ds_802_11_set_wep cmd;
297 lbs_deb_enter(LBS_DEB_CMD);
299 memset(&cmd, 0, sizeof(cmd));
300 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
301 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
303 cmd.action = cpu_to_le16(cmd_action);
305 if (cmd_action == CMD_ACT_ADD) {
308 /* default tx key index */
309 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
310 CMD_WEP_KEY_INDEX_MASK);
312 /* Copy key types and material to host command structure */
313 for (i = 0; i < 4; i++) {
314 struct enc_key *pkey = &assoc->wep_keys[i];
318 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
319 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
320 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
322 case KEY_LEN_WEP_104:
323 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
324 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
325 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
330 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
337 } else if (cmd_action == CMD_ACT_REMOVE) {
338 /* ACT_REMOVE clears _all_ WEP keys */
340 /* default tx key index */
341 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
342 CMD_WEP_KEY_INDEX_MASK);
343 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
346 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
348 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
352 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
355 struct cmd_ds_802_11_enable_rsn cmd;
358 lbs_deb_enter(LBS_DEB_CMD);
360 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
361 cmd.action = cpu_to_le16(cmd_action);
363 if (cmd_action == CMD_ACT_GET)
367 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
369 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
370 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
373 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
374 if (!ret && cmd_action == CMD_ACT_GET)
375 *enable = le16_to_cpu(cmd.enable);
377 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
381 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
384 lbs_deb_enter(LBS_DEB_CMD);
386 if (key->flags & KEY_INFO_WPA_ENABLED)
387 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
388 if (key->flags & KEY_INFO_WPA_UNICAST)
389 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
390 if (key->flags & KEY_INFO_WPA_MCAST)
391 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
393 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
394 keyparam->keytypeid = cpu_to_le16(key->type);
395 keyparam->keylen = cpu_to_le16(key->len);
396 memcpy(keyparam->key, key->key, key->len);
398 /* Length field doesn't include the {type,length} header */
399 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
400 lbs_deb_leave(LBS_DEB_CMD);
403 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
404 struct assoc_request *assoc)
406 struct cmd_ds_802_11_key_material cmd;
410 lbs_deb_enter(LBS_DEB_CMD);
412 cmd.action = cpu_to_le16(cmd_action);
413 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
415 if (cmd_action == CMD_ACT_GET) {
416 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
418 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
420 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
421 set_one_wpa_key(&cmd.keyParamSet[index],
422 &assoc->wpa_unicast_key);
426 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
427 set_one_wpa_key(&cmd.keyParamSet[index],
428 &assoc->wpa_mcast_key);
432 /* The common header and as many keys as we included */
433 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
434 keyParamSet[index]));
436 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
437 /* Copy the returned key to driver private data */
438 if (!ret && cmd_action == CMD_ACT_GET) {
439 void *buf_ptr = cmd.keyParamSet;
440 void *resp_end = &(&cmd)[1];
442 while (buf_ptr < resp_end) {
443 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
445 uint16_t param_set_len = le16_to_cpu(keyparam->length);
446 uint16_t key_len = le16_to_cpu(keyparam->keylen);
447 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
448 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
451 end = (void *)keyparam + sizeof(keyparam->type)
452 + sizeof(keyparam->length) + param_set_len;
454 /* Make sure we don't access past the end of the IEs */
458 if (key_flags & KEY_INFO_WPA_UNICAST)
459 key = &priv->wpa_unicast_key;
460 else if (key_flags & KEY_INFO_WPA_MCAST)
461 key = &priv->wpa_mcast_key;
465 /* Copy returned key into driver */
466 memset(key, 0, sizeof(struct enc_key));
467 if (key_len > sizeof(key->key))
469 key->type = key_type;
470 key->flags = key_flags;
472 memcpy(key->key, keyparam->key, key->len);
478 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
483 * @brief Set an SNMP MIB value
485 * @param priv A pointer to struct lbs_private structure
486 * @param oid The OID to set in the firmware
487 * @param val Value to set the OID to
489 * @return 0 on success, error on failure
491 int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
493 struct cmd_ds_802_11_snmp_mib cmd;
496 lbs_deb_enter(LBS_DEB_CMD);
498 memset(&cmd, 0, sizeof (cmd));
499 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
500 cmd.action = cpu_to_le16(CMD_ACT_SET);
501 cmd.oid = cpu_to_le16((u16) oid);
504 case SNMP_MIB_OID_BSS_TYPE:
505 cmd.bufsize = cpu_to_le16(sizeof(u8));
506 cmd.value[0] = (val == IW_MODE_ADHOC) ? 2 : 1;
508 case SNMP_MIB_OID_11D_ENABLE:
509 case SNMP_MIB_OID_FRAG_THRESHOLD:
510 case SNMP_MIB_OID_RTS_THRESHOLD:
511 case SNMP_MIB_OID_SHORT_RETRY_LIMIT:
512 case SNMP_MIB_OID_LONG_RETRY_LIMIT:
513 cmd.bufsize = cpu_to_le16(sizeof(u16));
514 *((__le16 *)(&cmd.value)) = cpu_to_le16(val);
517 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid);
522 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
523 le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val);
525 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
528 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
533 * @brief Get an SNMP MIB value
535 * @param priv A pointer to struct lbs_private structure
536 * @param oid The OID to retrieve from the firmware
537 * @param out_val Location for the returned value
539 * @return 0 on success, error on failure
541 int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
543 struct cmd_ds_802_11_snmp_mib cmd;
546 lbs_deb_enter(LBS_DEB_CMD);
548 memset(&cmd, 0, sizeof (cmd));
549 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
550 cmd.action = cpu_to_le16(CMD_ACT_GET);
551 cmd.oid = cpu_to_le16(oid);
553 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
557 switch (le16_to_cpu(cmd.bufsize)) {
559 if (oid == SNMP_MIB_OID_BSS_TYPE) {
560 if (cmd.value[0] == 2)
561 *out_val = IW_MODE_ADHOC;
563 *out_val = IW_MODE_INFRA;
565 *out_val = cmd.value[0];
568 *out_val = le16_to_cpu(*((__le16 *)(&cmd.value)));
571 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
572 oid, le16_to_cpu(cmd.bufsize));
577 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
582 * @brief Get the min, max, and current TX power
584 * @param priv A pointer to struct lbs_private structure
585 * @param curlevel Current power level in dBm
586 * @param minlevel Minimum supported power level in dBm (optional)
587 * @param maxlevel Maximum supported power level in dBm (optional)
589 * @return 0 on success, error on failure
591 int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
594 struct cmd_ds_802_11_rf_tx_power cmd;
597 lbs_deb_enter(LBS_DEB_CMD);
599 memset(&cmd, 0, sizeof(cmd));
600 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
601 cmd.action = cpu_to_le16(CMD_ACT_GET);
603 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
605 *curlevel = le16_to_cpu(cmd.curlevel);
607 *minlevel = cmd.minlevel;
609 *maxlevel = cmd.maxlevel;
612 lbs_deb_leave(LBS_DEB_CMD);
617 * @brief Set the TX power
619 * @param priv A pointer to struct lbs_private structure
620 * @param dbm The desired power level in dBm
622 * @return 0 on success, error on failure
624 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
626 struct cmd_ds_802_11_rf_tx_power cmd;
629 lbs_deb_enter(LBS_DEB_CMD);
631 memset(&cmd, 0, sizeof(cmd));
632 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
633 cmd.action = cpu_to_le16(CMD_ACT_SET);
634 cmd.curlevel = cpu_to_le16(dbm);
636 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm);
638 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
640 lbs_deb_leave(LBS_DEB_CMD);
644 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
645 u16 cmd_action, void *pdata_buf)
647 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
649 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
651 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
654 monitor->action = cpu_to_le16(cmd_action);
655 if (cmd_action == CMD_ACT_SET) {
657 cpu_to_le16((u16) (*(u32 *) pdata_buf));
663 static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
683 int i = lbs_data_rate_to_fw_index(rate);
685 ratemask = (0x1fef >> (12 - i));
688 return cpu_to_le16(ratemask);
691 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
694 struct cmd_ds_802_11_rate_adapt_rateset cmd;
697 lbs_deb_enter(LBS_DEB_CMD);
699 if (!priv->cur_rate && !priv->enablehwauto)
702 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
704 cmd.action = cpu_to_le16(cmd_action);
705 cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
706 cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
707 ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
708 if (!ret && cmd_action == CMD_ACT_GET) {
709 priv->ratebitmap = le16_to_cpu(cmd.bitmap);
710 priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
713 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
716 EXPORT_SYMBOL_GPL(lbs_cmd_802_11_rate_adapt_rateset);
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);
769 * @brief Get the radio channel
771 * @param priv A pointer to struct lbs_private structure
773 * @return The channel on success, error on failure
775 int lbs_get_channel(struct lbs_private *priv)
777 struct cmd_ds_802_11_rf_channel cmd;
780 lbs_deb_enter(LBS_DEB_CMD);
782 memset(&cmd, 0, sizeof(cmd));
783 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
784 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
786 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
790 ret = le16_to_cpu(cmd.channel);
791 lbs_deb_cmd("current radio channel is %d\n", ret);
794 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
798 int lbs_update_channel(struct lbs_private *priv)
802 /* the channel in f/w could be out of sync; get the current channel */
803 lbs_deb_enter(LBS_DEB_ASSOC);
805 ret = lbs_get_channel(priv);
807 priv->curbssparams.channel = ret;
810 lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
815 * @brief Set the radio channel
817 * @param priv A pointer to struct lbs_private structure
818 * @param channel The desired channel, or 0 to clear a locked channel
820 * @return 0 on success, error on failure
822 int lbs_set_channel(struct lbs_private *priv, u8 channel)
824 struct cmd_ds_802_11_rf_channel cmd;
826 u8 old_channel = priv->curbssparams.channel;
830 lbs_deb_enter(LBS_DEB_CMD);
832 memset(&cmd, 0, sizeof(cmd));
833 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
834 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
835 cmd.channel = cpu_to_le16(channel);
837 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
841 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
842 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
843 priv->curbssparams.channel);
846 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
850 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
851 struct cmd_ds_command *cmd)
854 lbs_deb_enter(LBS_DEB_CMD);
855 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
856 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
857 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
859 /* reset Beacon SNR/NF/RSSI values */
860 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
861 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
862 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
863 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
864 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
865 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
867 lbs_deb_leave(LBS_DEB_CMD);
871 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
872 u8 cmd_action, void *pdata_buf)
874 struct lbs_offset_value *offval;
876 lbs_deb_enter(LBS_DEB_CMD);
878 offval = (struct lbs_offset_value *)pdata_buf;
880 switch (le16_to_cpu(cmdptr->command)) {
881 case CMD_MAC_REG_ACCESS:
883 struct cmd_ds_mac_reg_access *macreg;
886 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
889 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
892 macreg->action = cpu_to_le16(cmd_action);
893 macreg->offset = cpu_to_le16((u16) offval->offset);
894 macreg->value = cpu_to_le32(offval->value);
899 case CMD_BBP_REG_ACCESS:
901 struct cmd_ds_bbp_reg_access *bbpreg;
905 (struct cmd_ds_bbp_reg_access)
908 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
911 bbpreg->action = cpu_to_le16(cmd_action);
912 bbpreg->offset = cpu_to_le16((u16) offval->offset);
913 bbpreg->value = (u8) offval->value;
918 case CMD_RF_REG_ACCESS:
920 struct cmd_ds_rf_reg_access *rfreg;
924 (struct cmd_ds_rf_reg_access) +
927 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
930 rfreg->action = cpu_to_le16(cmd_action);
931 rfreg->offset = cpu_to_le16((u16) offval->offset);
932 rfreg->value = (u8) offval->value;
941 lbs_deb_leave(LBS_DEB_CMD);
945 static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
946 u16 cmd_action, void *pdata_buf)
948 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
949 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
951 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
952 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
954 bt_access->action = cpu_to_le16(cmd_action);
956 switch (cmd_action) {
957 case CMD_ACT_BT_ACCESS_ADD:
958 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
959 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
961 case CMD_ACT_BT_ACCESS_DEL:
962 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
963 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
965 case CMD_ACT_BT_ACCESS_LIST:
966 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
968 case CMD_ACT_BT_ACCESS_RESET:
970 case CMD_ACT_BT_ACCESS_SET_INVERT:
971 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
973 case CMD_ACT_BT_ACCESS_GET_INVERT:
978 lbs_deb_leave(LBS_DEB_CMD);
982 static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
983 u16 cmd_action, void *pdata_buf)
985 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
986 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
988 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
989 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
993 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
995 memset(fwt_access, 0, sizeof(*fwt_access));
997 fwt_access->action = cpu_to_le16(cmd_action);
999 lbs_deb_leave(LBS_DEB_CMD);
1003 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1004 struct cmd_ds_mesh_access *cmd)
1008 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1010 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1011 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1012 cmd->hdr.result = 0;
1014 cmd->action = cpu_to_le16(cmd_action);
1016 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1018 lbs_deb_leave(LBS_DEB_CMD);
1022 static int __lbs_mesh_config_send(struct lbs_private *priv,
1023 struct cmd_ds_mesh_config *cmd,
1024 uint16_t action, uint16_t type)
1028 lbs_deb_enter(LBS_DEB_CMD);
1030 cmd->hdr.command = cpu_to_le16(CMD_MESH_CONFIG);
1031 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
1032 cmd->hdr.result = 0;
1034 cmd->type = cpu_to_le16(type);
1035 cmd->action = cpu_to_le16(action);
1037 ret = lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
1039 lbs_deb_leave(LBS_DEB_CMD);
1043 int lbs_mesh_config_send(struct lbs_private *priv,
1044 struct cmd_ds_mesh_config *cmd,
1045 uint16_t action, uint16_t type)
1049 if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
1052 ret = __lbs_mesh_config_send(priv, cmd, action, type);
1056 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
1057 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
1058 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
1059 * lbs_mesh_config_send.
1061 int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
1063 struct cmd_ds_mesh_config cmd;
1064 struct mrvl_meshie *ie;
1065 DECLARE_SSID_BUF(ssid);
1067 memset(&cmd, 0, sizeof(cmd));
1068 cmd.channel = cpu_to_le16(chan);
1069 ie = (struct mrvl_meshie *)cmd.data;
1072 case CMD_ACT_MESH_CONFIG_START:
1073 ie->id = WLAN_EID_GENERIC;
1074 ie->val.oui[0] = 0x00;
1075 ie->val.oui[1] = 0x50;
1076 ie->val.oui[2] = 0x43;
1077 ie->val.type = MARVELL_MESH_IE_TYPE;
1078 ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
1079 ie->val.version = MARVELL_MESH_IE_VERSION;
1080 ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
1081 ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
1082 ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
1083 ie->val.mesh_id_len = priv->mesh_ssid_len;
1084 memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
1085 ie->len = sizeof(struct mrvl_meshie_val) -
1086 IW_ESSID_MAX_SIZE + priv->mesh_ssid_len;
1087 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
1089 case CMD_ACT_MESH_CONFIG_STOP:
1094 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
1095 action, priv->mesh_tlv, chan,
1096 print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
1098 return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
1101 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1102 struct cmd_ds_command *cmd,
1105 struct cmd_ds_802_11_beacon_control
1106 *bcn_ctrl = &cmd->params.bcn_ctrl;
1108 lbs_deb_enter(LBS_DEB_CMD);
1110 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1112 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1114 bcn_ctrl->action = cpu_to_le16(cmd_action);
1115 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1116 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1118 lbs_deb_leave(LBS_DEB_CMD);
1122 static void lbs_queue_cmd(struct lbs_private *priv,
1123 struct cmd_ctrl_node *cmdnode)
1125 unsigned long flags;
1128 lbs_deb_enter(LBS_DEB_HOST);
1131 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1134 if (!cmdnode->cmdbuf->size) {
1135 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1138 cmdnode->result = 0;
1140 /* Exit_PS command needs to be queued in the header always. */
1141 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1142 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1144 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1145 if (priv->psstate != PS_STATE_FULL_POWER)
1150 spin_lock_irqsave(&priv->driver_lock, flags);
1153 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1155 list_add(&cmdnode->list, &priv->cmdpendingq);
1157 spin_unlock_irqrestore(&priv->driver_lock, flags);
1159 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1160 le16_to_cpu(cmdnode->cmdbuf->command));
1163 lbs_deb_leave(LBS_DEB_HOST);
1166 static void lbs_submit_command(struct lbs_private *priv,
1167 struct cmd_ctrl_node *cmdnode)
1169 unsigned long flags;
1170 struct cmd_header *cmd;
1176 lbs_deb_enter(LBS_DEB_HOST);
1178 cmd = cmdnode->cmdbuf;
1180 spin_lock_irqsave(&priv->driver_lock, flags);
1181 priv->cur_cmd = cmdnode;
1182 priv->cur_cmd_retcode = 0;
1183 spin_unlock_irqrestore(&priv->driver_lock, flags);
1185 cmdsize = le16_to_cpu(cmd->size);
1186 command = le16_to_cpu(cmd->command);
1188 /* These commands take longer */
1189 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1190 command == CMD_802_11_AUTHENTICATE)
1193 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1194 command, le16_to_cpu(cmd->seqnum), cmdsize);
1195 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1197 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1200 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1201 /* Let the timer kick in and retry, and potentially reset
1202 the whole thing if the condition persists */
1206 /* Setup the timer after transmit command */
1207 mod_timer(&priv->command_timer, jiffies + timeo);
1209 lbs_deb_leave(LBS_DEB_HOST);
1213 * This function inserts command node to cmdfreeq
1214 * after cleans it. Requires priv->driver_lock held.
1216 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1217 struct cmd_ctrl_node *cmdnode)
1219 lbs_deb_enter(LBS_DEB_HOST);
1224 cmdnode->callback = NULL;
1225 cmdnode->callback_arg = 0;
1227 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1229 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1231 lbs_deb_leave(LBS_DEB_HOST);
1234 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1235 struct cmd_ctrl_node *ptempcmd)
1237 unsigned long flags;
1239 spin_lock_irqsave(&priv->driver_lock, flags);
1240 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1241 spin_unlock_irqrestore(&priv->driver_lock, flags);
1244 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1247 if (cmd == priv->cur_cmd)
1248 priv->cur_cmd_retcode = result;
1250 cmd->result = result;
1251 cmd->cmdwaitqwoken = 1;
1252 wake_up_interruptible(&cmd->cmdwait_q);
1254 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1255 __lbs_cleanup_and_insert_cmd(priv, cmd);
1256 priv->cur_cmd = NULL;
1259 int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on)
1261 struct cmd_ds_802_11_radio_control cmd;
1264 lbs_deb_enter(LBS_DEB_CMD);
1266 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1267 cmd.action = cpu_to_le16(CMD_ACT_SET);
1269 /* Only v8 and below support setting the preamble */
1270 if (priv->fwrelease < 0x09000000) {
1272 case RADIO_PREAMBLE_SHORT:
1273 if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
1276 case RADIO_PREAMBLE_AUTO:
1277 case RADIO_PREAMBLE_LONG:
1278 cmd.control = cpu_to_le16(preamble);
1286 cmd.control |= cpu_to_le16(0x1);
1288 cmd.control &= cpu_to_le16(~0x1);
1289 priv->txpower_cur = 0;
1292 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1293 radio_on ? "ON" : "OFF", preamble);
1295 priv->radio_on = radio_on;
1297 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1300 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1304 void lbs_set_mac_control(struct lbs_private *priv)
1306 struct cmd_ds_mac_control cmd;
1308 lbs_deb_enter(LBS_DEB_CMD);
1310 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1311 cmd.action = cpu_to_le16(priv->mac_control);
1314 lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd));
1316 lbs_deb_leave(LBS_DEB_CMD);
1320 * @brief This function prepare the command before send to firmware.
1322 * @param priv A pointer to struct lbs_private structure
1323 * @param cmd_no command number
1324 * @param cmd_action command action: GET or SET
1325 * @param wait_option wait option: wait response or not
1326 * @param cmd_oid cmd oid: treated as sub command
1327 * @param pdata_buf A pointer to informaion buffer
1330 int lbs_prepare_and_send_command(struct lbs_private *priv,
1333 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1336 struct cmd_ctrl_node *cmdnode;
1337 struct cmd_ds_command *cmdptr;
1338 unsigned long flags;
1340 lbs_deb_enter(LBS_DEB_HOST);
1343 lbs_deb_host("PREP_CMD: priv is NULL\n");
1348 if (priv->surpriseremoved) {
1349 lbs_deb_host("PREP_CMD: card removed\n");
1354 cmdnode = lbs_get_cmd_ctrl_node(priv);
1356 if (cmdnode == NULL) {
1357 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1359 /* Wake up main thread to execute next command */
1360 wake_up_interruptible(&priv->waitq);
1365 cmdnode->callback = NULL;
1366 cmdnode->callback_arg = (unsigned long)pdata_buf;
1368 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1370 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1372 /* Set sequence number, command and INT option */
1374 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1376 cmdptr->command = cpu_to_le16(cmd_no);
1380 case CMD_802_11_PS_MODE:
1381 ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
1384 case CMD_802_11_ASSOCIATE:
1385 case CMD_802_11_REASSOCIATE:
1386 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1389 case CMD_802_11_AUTHENTICATE:
1390 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1393 case CMD_MAC_REG_ACCESS:
1394 case CMD_BBP_REG_ACCESS:
1395 case CMD_RF_REG_ACCESS:
1396 ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
1399 case CMD_802_11_MONITOR_MODE:
1400 ret = lbs_cmd_802_11_monitor_mode(cmdptr,
1401 cmd_action, pdata_buf);
1404 case CMD_802_11_RSSI:
1405 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1408 case CMD_802_11_SET_AFC:
1409 case CMD_802_11_GET_AFC:
1411 cmdptr->command = cpu_to_le16(cmd_no);
1412 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1415 memmove(&cmdptr->params.afc,
1416 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1421 case CMD_802_11D_DOMAIN_INFO:
1422 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1423 cmd_no, cmd_action);
1426 case CMD_802_11_TPC_CFG:
1427 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1429 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1432 memmove(&cmdptr->params.tpccfg,
1433 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1437 case CMD_802_11_LED_GPIO_CTRL:
1439 struct mrvlietypes_ledgpio *gpio =
1440 (struct mrvlietypes_ledgpio*)
1441 cmdptr->params.ledgpio.data;
1443 memmove(&cmdptr->params.ledgpio,
1445 sizeof(struct cmd_ds_802_11_led_ctrl));
1448 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1450 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1452 cpu_to_le16(le16_to_cpu(gpio->header.len)
1454 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1455 gpio->header.len = gpio->header.len;
1462 ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
1465 case CMD_FWT_ACCESS:
1466 ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
1470 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1471 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1475 case CMD_802_11_BEACON_CTRL:
1476 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1479 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1484 /* return error, since the command preparation failed */
1486 lbs_deb_host("PREP_CMD: command preparation failed\n");
1487 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1492 cmdnode->cmdwaitqwoken = 0;
1494 lbs_queue_cmd(priv, cmdnode);
1495 wake_up_interruptible(&priv->waitq);
1497 if (wait_option & CMD_OPTION_WAITFORRSP) {
1498 lbs_deb_host("PREP_CMD: wait for response\n");
1500 wait_event_interruptible(cmdnode->cmdwait_q,
1501 cmdnode->cmdwaitqwoken);
1504 spin_lock_irqsave(&priv->driver_lock, flags);
1505 if (priv->cur_cmd_retcode) {
1506 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1507 priv->cur_cmd_retcode);
1508 priv->cur_cmd_retcode = 0;
1511 spin_unlock_irqrestore(&priv->driver_lock, flags);
1514 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1519 * @brief This function allocates the command buffer and link
1520 * it to command free queue.
1522 * @param priv A pointer to struct lbs_private structure
1525 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1530 struct cmd_ctrl_node *cmdarray;
1532 lbs_deb_enter(LBS_DEB_HOST);
1534 /* Allocate and initialize the command array */
1535 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1536 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1537 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1541 priv->cmd_array = cmdarray;
1543 /* Allocate and initialize each command buffer in the command array */
1544 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1545 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1546 if (!cmdarray[i].cmdbuf) {
1547 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1553 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1554 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1555 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1560 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1565 * @brief This function frees the command buffer.
1567 * @param priv A pointer to struct lbs_private structure
1570 int lbs_free_cmd_buffer(struct lbs_private *priv)
1572 struct cmd_ctrl_node *cmdarray;
1575 lbs_deb_enter(LBS_DEB_HOST);
1577 /* need to check if cmd array is allocated or not */
1578 if (priv->cmd_array == NULL) {
1579 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1583 cmdarray = priv->cmd_array;
1585 /* Release shared memory buffers */
1586 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1587 if (cmdarray[i].cmdbuf) {
1588 kfree(cmdarray[i].cmdbuf);
1589 cmdarray[i].cmdbuf = NULL;
1593 /* Release cmd_ctrl_node */
1594 if (priv->cmd_array) {
1595 kfree(priv->cmd_array);
1596 priv->cmd_array = NULL;
1600 lbs_deb_leave(LBS_DEB_HOST);
1605 * @brief This function gets a free command node if available in
1606 * command free queue.
1608 * @param priv A pointer to struct lbs_private structure
1609 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1611 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1613 struct cmd_ctrl_node *tempnode;
1614 unsigned long flags;
1616 lbs_deb_enter(LBS_DEB_HOST);
1621 spin_lock_irqsave(&priv->driver_lock, flags);
1623 if (!list_empty(&priv->cmdfreeq)) {
1624 tempnode = list_first_entry(&priv->cmdfreeq,
1625 struct cmd_ctrl_node, list);
1626 list_del(&tempnode->list);
1628 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1632 spin_unlock_irqrestore(&priv->driver_lock, flags);
1634 lbs_deb_leave(LBS_DEB_HOST);
1639 * @brief This function executes next command in command
1640 * pending queue. It will put fimware back to PS mode
1643 * @param priv A pointer to struct lbs_private structure
1646 int lbs_execute_next_command(struct lbs_private *priv)
1648 struct cmd_ctrl_node *cmdnode = NULL;
1649 struct cmd_header *cmd;
1650 unsigned long flags;
1653 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1654 * only caller to us is lbs_thread() and we get even when a
1655 * data packet is received */
1656 lbs_deb_enter(LBS_DEB_THREAD);
1658 spin_lock_irqsave(&priv->driver_lock, flags);
1660 if (priv->cur_cmd) {
1661 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1662 spin_unlock_irqrestore(&priv->driver_lock, flags);
1667 if (!list_empty(&priv->cmdpendingq)) {
1668 cmdnode = list_first_entry(&priv->cmdpendingq,
1669 struct cmd_ctrl_node, list);
1672 spin_unlock_irqrestore(&priv->driver_lock, flags);
1675 cmd = cmdnode->cmdbuf;
1677 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1678 if ((priv->psstate == PS_STATE_SLEEP) ||
1679 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1681 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1682 le16_to_cpu(cmd->command),
1687 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1688 "0x%04x in psstate %d\n",
1689 le16_to_cpu(cmd->command), priv->psstate);
1690 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1692 * 1. Non-PS command:
1693 * Queue it. set needtowakeup to TRUE if current state
1694 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1695 * 2. PS command but not Exit_PS:
1697 * 3. PS command Exit_PS:
1698 * Set needtowakeup to TRUE if current state is SLEEP,
1699 * otherwise send this command down to firmware
1702 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1703 /* Prepare to send Exit PS,
1704 * this non PS command will be sent later */
1705 if ((priv->psstate == PS_STATE_SLEEP)
1706 || (priv->psstate == PS_STATE_PRE_SLEEP)
1708 /* w/ new scheme, it will not reach here.
1709 since it is blocked in main_thread. */
1710 priv->needtowakeup = 1;
1712 lbs_ps_wakeup(priv, 0);
1718 * PS command. Ignore it if it is not Exit_PS.
1719 * otherwise send it down immediately.
1721 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1724 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1727 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1729 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1730 list_del(&cmdnode->list);
1731 spin_lock_irqsave(&priv->driver_lock, flags);
1732 lbs_complete_command(priv, cmdnode, 0);
1733 spin_unlock_irqrestore(&priv->driver_lock, flags);
1739 if ((priv->psstate == PS_STATE_SLEEP) ||
1740 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1742 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1743 list_del(&cmdnode->list);
1744 spin_lock_irqsave(&priv->driver_lock, flags);
1745 lbs_complete_command(priv, cmdnode, 0);
1746 spin_unlock_irqrestore(&priv->driver_lock, flags);
1747 priv->needtowakeup = 1;
1754 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1757 list_del(&cmdnode->list);
1758 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1759 le16_to_cpu(cmd->command));
1760 lbs_submit_command(priv, cmdnode);
1763 * check if in power save mode, if yes, put the device back
1766 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1767 (priv->psstate == PS_STATE_FULL_POWER) &&
1768 ((priv->connect_status == LBS_CONNECTED) ||
1769 (priv->mesh_connect_status == LBS_CONNECTED))) {
1770 if (priv->secinfo.WPAenabled ||
1771 priv->secinfo.WPA2enabled) {
1772 /* check for valid WPA group keys */
1773 if (priv->wpa_mcast_key.len ||
1774 priv->wpa_unicast_key.len) {
1776 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1777 " go back to PS_SLEEP");
1778 lbs_ps_sleep(priv, 0);
1782 "EXEC_NEXT_CMD: cmdpendingq empty, "
1783 "go back to PS_SLEEP");
1784 lbs_ps_sleep(priv, 0);
1791 lbs_deb_leave(LBS_DEB_THREAD);
1795 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1797 union iwreq_data iwrq;
1800 lbs_deb_enter(LBS_DEB_WEXT);
1802 memset(&iwrq, 0, sizeof(union iwreq_data));
1803 memset(buf, 0, sizeof(buf));
1805 snprintf(buf, sizeof(buf) - 1, "%s", str);
1807 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1809 /* Send Event to upper layer */
1810 lbs_deb_wext("event indication string %s\n", (char *)buf);
1811 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1812 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1814 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1816 lbs_deb_leave(LBS_DEB_WEXT);
1819 static void lbs_send_confirmsleep(struct lbs_private *priv)
1821 unsigned long flags;
1824 lbs_deb_enter(LBS_DEB_HOST);
1825 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
1826 sizeof(confirm_sleep));
1828 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
1829 sizeof(confirm_sleep));
1831 lbs_pr_alert("confirm_sleep failed\n");
1835 spin_lock_irqsave(&priv->driver_lock, flags);
1837 /* We don't get a response on the sleep-confirmation */
1838 priv->dnld_sent = DNLD_RES_RECEIVED;
1840 /* If nothing to do, go back to sleep (?) */
1841 if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
1842 priv->psstate = PS_STATE_SLEEP;
1844 spin_unlock_irqrestore(&priv->driver_lock, flags);
1847 lbs_deb_leave(LBS_DEB_HOST);
1850 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1852 lbs_deb_enter(LBS_DEB_HOST);
1855 * PS is currently supported only in Infrastructure mode
1856 * Remove this check if it is to be supported in IBSS mode also
1859 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1860 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1862 lbs_deb_leave(LBS_DEB_HOST);
1866 * @brief This function sends Exit_PS command to firmware.
1868 * @param priv A pointer to struct lbs_private structure
1869 * @param wait_option wait response or not
1872 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1876 lbs_deb_enter(LBS_DEB_HOST);
1878 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1880 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1882 wait_option, 0, &Localpsmode);
1884 lbs_deb_leave(LBS_DEB_HOST);
1888 * @brief This function checks condition and prepares to
1889 * send sleep confirm command to firmware if ok.
1891 * @param priv A pointer to struct lbs_private structure
1892 * @param psmode Power Saving mode
1895 void lbs_ps_confirm_sleep(struct lbs_private *priv)
1897 unsigned long flags =0;
1900 lbs_deb_enter(LBS_DEB_HOST);
1902 spin_lock_irqsave(&priv->driver_lock, flags);
1903 if (priv->dnld_sent) {
1905 lbs_deb_host("dnld_sent was set\n");
1908 /* In-progress command? */
1909 if (priv->cur_cmd) {
1911 lbs_deb_host("cur_cmd was set\n");
1914 /* Pending events or command responses? */
1915 if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
1917 lbs_deb_host("pending events or command responses\n");
1919 spin_unlock_irqrestore(&priv->driver_lock, flags);
1922 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1923 lbs_send_confirmsleep(priv);
1925 lbs_deb_host("sleep confirm has been delayed\n");
1928 lbs_deb_leave(LBS_DEB_HOST);
1933 * @brief Configures the transmission power control functionality.
1935 * @param priv A pointer to struct lbs_private structure
1936 * @param enable Transmission power control enable
1937 * @param p0 Power level when link quality is good (dBm).
1938 * @param p1 Power level when link quality is fair (dBm).
1939 * @param p2 Power level when link quality is poor (dBm).
1940 * @param usesnr Use Signal to Noise Ratio in TPC
1942 * @return 0 on success
1944 int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
1945 int8_t p2, int usesnr)
1947 struct cmd_ds_802_11_tpc_cfg cmd;
1950 memset(&cmd, 0, sizeof(cmd));
1951 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1952 cmd.action = cpu_to_le16(CMD_ACT_SET);
1953 cmd.enable = !!enable;
1954 cmd.usesnr = !!usesnr;
1959 ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd);
1965 * @brief Configures the power adaptation settings.
1967 * @param priv A pointer to struct lbs_private structure
1968 * @param enable Power adaptation enable
1969 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1970 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1971 * @param p2 Power level for 48 and 54 Mbps (dBm).
1973 * @return 0 on Success
1976 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
1977 int8_t p1, int8_t p2)
1979 struct cmd_ds_802_11_pa_cfg cmd;
1982 memset(&cmd, 0, sizeof(cmd));
1983 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1984 cmd.action = cpu_to_le16(CMD_ACT_SET);
1985 cmd.enable = !!enable;
1990 ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd);
1996 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
1997 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
1998 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1999 unsigned long callback_arg)
2001 struct cmd_ctrl_node *cmdnode;
2003 lbs_deb_enter(LBS_DEB_HOST);
2005 if (priv->surpriseremoved) {
2006 lbs_deb_host("PREP_CMD: card removed\n");
2007 cmdnode = ERR_PTR(-ENOENT);
2011 cmdnode = lbs_get_cmd_ctrl_node(priv);
2012 if (cmdnode == NULL) {
2013 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2015 /* Wake up main thread to execute next command */
2016 wake_up_interruptible(&priv->waitq);
2017 cmdnode = ERR_PTR(-ENOBUFS);
2021 cmdnode->callback = callback;
2022 cmdnode->callback_arg = callback_arg;
2024 /* Copy the incoming command to the buffer */
2025 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2027 /* Set sequence number, clean result, move to buffer */
2029 cmdnode->cmdbuf->command = cpu_to_le16(command);
2030 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2031 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2032 cmdnode->cmdbuf->result = 0;
2034 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2036 cmdnode->cmdwaitqwoken = 0;
2037 lbs_queue_cmd(priv, cmdnode);
2038 wake_up_interruptible(&priv->waitq);
2041 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2045 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2046 struct cmd_header *in_cmd, int in_cmd_size)
2048 lbs_deb_enter(LBS_DEB_CMD);
2049 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2050 lbs_cmd_async_callback, 0);
2051 lbs_deb_leave(LBS_DEB_CMD);
2054 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2055 struct cmd_header *in_cmd, int in_cmd_size,
2056 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2057 unsigned long callback_arg)
2059 struct cmd_ctrl_node *cmdnode;
2060 unsigned long flags;
2063 lbs_deb_enter(LBS_DEB_HOST);
2065 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2066 callback, callback_arg);
2067 if (IS_ERR(cmdnode)) {
2068 ret = PTR_ERR(cmdnode);
2073 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2075 spin_lock_irqsave(&priv->driver_lock, flags);
2076 ret = cmdnode->result;
2078 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2081 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2082 spin_unlock_irqrestore(&priv->driver_lock, flags);
2085 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2088 EXPORT_SYMBOL_GPL(__lbs_cmd);