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);
21 * @brief Simple callback that copies response back into command
23 * @param priv A pointer to struct lbs_private structure
24 * @param extra A pointer to the original command structure for which
25 * 'resp' is a response
26 * @param resp A pointer to the command response
28 * @return 0 on success, error on failure
30 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
31 struct cmd_header *resp)
33 struct cmd_header *buf = (void *)extra;
36 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
37 memcpy(buf, resp, copy_len);
40 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
43 * @brief Simple callback that ignores the result. Use this if
44 * you just want to send a command to the hardware, but don't
45 * care for the result.
48 * @param extra ignored
51 * @return 0 for success
53 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
54 struct cmd_header *resp)
61 * @brief Checks whether a command is allowed in Power Save mode
63 * @param command the command ID
64 * @return 1 if allowed, 0 if not allowed
66 static u8 is_command_allowed_in_ps(u16 cmd)
78 * @brief This function checks if the command is allowed.
80 * @param priv A pointer to lbs_private structure
81 * @return allowed or not allowed.
84 static int lbs_is_cmd_allowed(struct lbs_private *priv)
88 lbs_deb_enter(LBS_DEB_CMD);
90 if (!priv->is_auto_deep_sleep_enabled) {
91 if (priv->is_deep_sleep) {
92 lbs_deb_cmd("command not allowed in deep sleep\n");
97 lbs_deb_leave(LBS_DEB_CMD);
102 * @brief Updates the hardware details like MAC address and regulatory region
104 * @param priv A pointer to struct lbs_private structure
106 * @return 0 on success, error on failure
108 int lbs_update_hw_spec(struct lbs_private *priv)
110 struct cmd_ds_get_hw_spec cmd;
114 lbs_deb_enter(LBS_DEB_CMD);
116 memset(&cmd, 0, sizeof(cmd));
117 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
118 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
119 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
123 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
125 /* The firmware release is in an interesting format: the patch
126 * level is in the most significant nibble ... so fix that: */
127 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
128 priv->fwrelease = (priv->fwrelease << 8) |
129 (priv->fwrelease >> 24 & 0xff);
131 /* Some firmware capabilities:
132 * CF card firmware 5.0.16p0: cap 0x00000303
133 * USB dongle firmware 5.110.17p2: cap 0x00000303
135 lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
137 priv->fwrelease >> 24 & 0xff,
138 priv->fwrelease >> 16 & 0xff,
139 priv->fwrelease >> 8 & 0xff,
140 priv->fwrelease & 0xff,
142 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
143 cmd.hwifversion, cmd.version);
145 /* Determine mesh_fw_ver from fwrelease and fwcapinfo */
146 /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
147 /* 5.110.22 have mesh command with 0xa3 command id */
148 /* 10.0.0.p0 FW brings in mesh config command with different id */
149 /* Check FW version MSB and initialize mesh_fw_ver */
150 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5)
151 priv->mesh_fw_ver = MESH_FW_OLD;
152 else if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
153 (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK))
154 priv->mesh_fw_ver = MESH_FW_NEW;
156 priv->mesh_fw_ver = MESH_NONE;
158 /* Clamp region code to 8-bit since FW spec indicates that it should
159 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
160 * returns non-zero high 8 bits here.
162 * Firmware version 4.0.102 used in CF8381 has region code shifted. We
163 * need to check for this problem and handle it properly.
165 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4)
166 priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF;
168 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
170 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
171 /* use the region code to search for the index */
172 if (priv->regioncode == lbs_region_code_to_index[i])
176 /* if it's unidentified region code, use the default (USA) */
177 if (i >= MRVDRV_MAX_REGION_CODE) {
178 priv->regioncode = 0x10;
179 lbs_pr_info("unidentified region code; using the default (USA)\n");
182 if (priv->current_addr[0] == 0xff)
183 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
185 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
187 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
189 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
194 if (lbs_set_universaltable(priv, 0)) {
200 lbs_deb_leave(LBS_DEB_CMD);
204 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
205 struct wol_config *p_wol_config)
207 struct cmd_ds_host_sleep cmd_config;
210 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
211 cmd_config.criteria = cpu_to_le32(criteria);
212 cmd_config.gpio = priv->wol_gpio;
213 cmd_config.gap = priv->wol_gap;
215 if (p_wol_config != NULL)
216 memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config,
217 sizeof(struct wol_config));
219 cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE;
221 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
224 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
225 priv->wol_criteria = criteria;
227 memcpy((uint8_t *) p_wol_config,
228 (uint8_t *)&cmd_config.wol_conf,
229 sizeof(struct wol_config));
231 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
236 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
238 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
241 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
243 lbs_deb_enter(LBS_DEB_CMD);
245 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
246 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
248 psm->action = cpu_to_le16(cmd_action);
249 psm->multipledtim = 0;
250 switch (cmd_action) {
251 case CMD_SUBCMD_ENTER_PS:
252 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
254 psm->locallisteninterval = 0;
255 psm->nullpktinterval = 0;
257 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
260 case CMD_SUBCMD_EXIT_PS:
261 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
264 case CMD_SUBCMD_SLEEP_CONFIRMED:
265 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
272 lbs_deb_leave(LBS_DEB_CMD);
276 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
277 uint16_t cmd_action, uint16_t *timeout)
279 struct cmd_ds_802_11_inactivity_timeout cmd;
282 lbs_deb_enter(LBS_DEB_CMD);
284 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
285 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
287 cmd.action = cpu_to_le16(cmd_action);
289 if (cmd_action == CMD_ACT_SET)
290 cmd.timeout = cpu_to_le16(*timeout);
294 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
297 *timeout = le16_to_cpu(cmd.timeout);
299 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
303 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
304 struct sleep_params *sp)
306 struct cmd_ds_802_11_sleep_params cmd;
309 lbs_deb_enter(LBS_DEB_CMD);
311 if (cmd_action == CMD_ACT_GET) {
312 memset(&cmd, 0, sizeof(cmd));
314 cmd.error = cpu_to_le16(sp->sp_error);
315 cmd.offset = cpu_to_le16(sp->sp_offset);
316 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
317 cmd.calcontrol = sp->sp_calcontrol;
318 cmd.externalsleepclk = sp->sp_extsleepclk;
319 cmd.reserved = cpu_to_le16(sp->sp_reserved);
321 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
322 cmd.action = cpu_to_le16(cmd_action);
324 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
327 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
328 "calcontrol 0x%x extsleepclk 0x%x\n",
329 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
330 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
331 cmd.externalsleepclk);
333 sp->sp_error = le16_to_cpu(cmd.error);
334 sp->sp_offset = le16_to_cpu(cmd.offset);
335 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
336 sp->sp_calcontrol = cmd.calcontrol;
337 sp->sp_extsleepclk = cmd.externalsleepclk;
338 sp->sp_reserved = le16_to_cpu(cmd.reserved);
341 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
345 static int lbs_wait_for_ds_awake(struct lbs_private *priv)
349 lbs_deb_enter(LBS_DEB_CMD);
351 if (priv->is_deep_sleep) {
352 if (!wait_event_interruptible_timeout(priv->ds_awake_q,
353 !priv->is_deep_sleep, (10 * HZ))) {
354 lbs_pr_err("ds_awake_q: timer expired\n");
359 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
363 int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
367 lbs_deb_enter(LBS_DEB_CMD);
370 if (priv->is_deep_sleep != 1) {
371 lbs_deb_cmd("deep sleep: sleep\n");
372 BUG_ON(!priv->enter_deep_sleep);
373 ret = priv->enter_deep_sleep(priv);
375 netif_stop_queue(priv->dev);
376 netif_carrier_off(priv->dev);
379 lbs_pr_err("deep sleep: already enabled\n");
382 if (priv->is_deep_sleep) {
383 lbs_deb_cmd("deep sleep: wakeup\n");
384 BUG_ON(!priv->exit_deep_sleep);
385 ret = priv->exit_deep_sleep(priv);
387 ret = lbs_wait_for_ds_awake(priv);
389 lbs_pr_err("deep sleep: wakeup"
395 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
399 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
400 struct assoc_request *assoc)
402 struct cmd_ds_802_11_set_wep cmd;
405 lbs_deb_enter(LBS_DEB_CMD);
407 memset(&cmd, 0, sizeof(cmd));
408 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
409 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
411 cmd.action = cpu_to_le16(cmd_action);
413 if (cmd_action == CMD_ACT_ADD) {
416 /* default tx key index */
417 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
418 CMD_WEP_KEY_INDEX_MASK);
420 /* Copy key types and material to host command structure */
421 for (i = 0; i < 4; i++) {
422 struct enc_key *pkey = &assoc->wep_keys[i];
426 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
427 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
428 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
430 case KEY_LEN_WEP_104:
431 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
432 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
433 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
438 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
445 } else if (cmd_action == CMD_ACT_REMOVE) {
446 /* ACT_REMOVE clears _all_ WEP keys */
448 /* default tx key index */
449 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
450 CMD_WEP_KEY_INDEX_MASK);
451 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
454 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
456 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
460 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
463 struct cmd_ds_802_11_enable_rsn cmd;
466 lbs_deb_enter(LBS_DEB_CMD);
468 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
469 cmd.action = cpu_to_le16(cmd_action);
471 if (cmd_action == CMD_ACT_GET)
475 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
477 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
478 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
481 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
482 if (!ret && cmd_action == CMD_ACT_GET)
483 *enable = le16_to_cpu(cmd.enable);
485 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
489 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
492 lbs_deb_enter(LBS_DEB_CMD);
494 if (key->flags & KEY_INFO_WPA_ENABLED)
495 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
496 if (key->flags & KEY_INFO_WPA_UNICAST)
497 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
498 if (key->flags & KEY_INFO_WPA_MCAST)
499 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
501 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
502 keyparam->keytypeid = cpu_to_le16(key->type);
503 keyparam->keylen = cpu_to_le16(key->len);
504 memcpy(keyparam->key, key->key, key->len);
506 /* Length field doesn't include the {type,length} header */
507 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
508 lbs_deb_leave(LBS_DEB_CMD);
511 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
512 struct assoc_request *assoc)
514 struct cmd_ds_802_11_key_material cmd;
518 lbs_deb_enter(LBS_DEB_CMD);
520 cmd.action = cpu_to_le16(cmd_action);
521 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
523 if (cmd_action == CMD_ACT_GET) {
524 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
526 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
528 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
529 set_one_wpa_key(&cmd.keyParamSet[index],
530 &assoc->wpa_unicast_key);
534 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
535 set_one_wpa_key(&cmd.keyParamSet[index],
536 &assoc->wpa_mcast_key);
540 /* The common header and as many keys as we included */
541 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
542 keyParamSet[index]));
544 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
545 /* Copy the returned key to driver private data */
546 if (!ret && cmd_action == CMD_ACT_GET) {
547 void *buf_ptr = cmd.keyParamSet;
548 void *resp_end = &(&cmd)[1];
550 while (buf_ptr < resp_end) {
551 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
553 uint16_t param_set_len = le16_to_cpu(keyparam->length);
554 uint16_t key_len = le16_to_cpu(keyparam->keylen);
555 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
556 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
559 end = (void *)keyparam + sizeof(keyparam->type)
560 + sizeof(keyparam->length) + param_set_len;
562 /* Make sure we don't access past the end of the IEs */
566 if (key_flags & KEY_INFO_WPA_UNICAST)
567 key = &priv->wpa_unicast_key;
568 else if (key_flags & KEY_INFO_WPA_MCAST)
569 key = &priv->wpa_mcast_key;
573 /* Copy returned key into driver */
574 memset(key, 0, sizeof(struct enc_key));
575 if (key_len > sizeof(key->key))
577 key->type = key_type;
578 key->flags = key_flags;
580 memcpy(key->key, keyparam->key, key->len);
586 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
591 * @brief Set an SNMP MIB value
593 * @param priv A pointer to struct lbs_private structure
594 * @param oid The OID to set in the firmware
595 * @param val Value to set the OID to
597 * @return 0 on success, error on failure
599 int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
601 struct cmd_ds_802_11_snmp_mib cmd;
604 lbs_deb_enter(LBS_DEB_CMD);
606 memset(&cmd, 0, sizeof (cmd));
607 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
608 cmd.action = cpu_to_le16(CMD_ACT_SET);
609 cmd.oid = cpu_to_le16((u16) oid);
612 case SNMP_MIB_OID_BSS_TYPE:
613 cmd.bufsize = cpu_to_le16(sizeof(u8));
614 cmd.value[0] = (val == IW_MODE_ADHOC) ? 2 : 1;
616 case SNMP_MIB_OID_11D_ENABLE:
617 case SNMP_MIB_OID_FRAG_THRESHOLD:
618 case SNMP_MIB_OID_RTS_THRESHOLD:
619 case SNMP_MIB_OID_SHORT_RETRY_LIMIT:
620 case SNMP_MIB_OID_LONG_RETRY_LIMIT:
621 cmd.bufsize = cpu_to_le16(sizeof(u16));
622 *((__le16 *)(&cmd.value)) = cpu_to_le16(val);
625 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid);
630 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
631 le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val);
633 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
636 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
641 * @brief Get an SNMP MIB value
643 * @param priv A pointer to struct lbs_private structure
644 * @param oid The OID to retrieve from the firmware
645 * @param out_val Location for the returned value
647 * @return 0 on success, error on failure
649 int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
651 struct cmd_ds_802_11_snmp_mib cmd;
654 lbs_deb_enter(LBS_DEB_CMD);
656 memset(&cmd, 0, sizeof (cmd));
657 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
658 cmd.action = cpu_to_le16(CMD_ACT_GET);
659 cmd.oid = cpu_to_le16(oid);
661 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
665 switch (le16_to_cpu(cmd.bufsize)) {
667 if (oid == SNMP_MIB_OID_BSS_TYPE) {
668 if (cmd.value[0] == 2)
669 *out_val = IW_MODE_ADHOC;
671 *out_val = IW_MODE_INFRA;
673 *out_val = cmd.value[0];
676 *out_val = le16_to_cpu(*((__le16 *)(&cmd.value)));
679 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
680 oid, le16_to_cpu(cmd.bufsize));
685 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
690 * @brief Get the min, max, and current TX power
692 * @param priv A pointer to struct lbs_private structure
693 * @param curlevel Current power level in dBm
694 * @param minlevel Minimum supported power level in dBm (optional)
695 * @param maxlevel Maximum supported power level in dBm (optional)
697 * @return 0 on success, error on failure
699 int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
702 struct cmd_ds_802_11_rf_tx_power cmd;
705 lbs_deb_enter(LBS_DEB_CMD);
707 memset(&cmd, 0, sizeof(cmd));
708 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
709 cmd.action = cpu_to_le16(CMD_ACT_GET);
711 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
713 *curlevel = le16_to_cpu(cmd.curlevel);
715 *minlevel = cmd.minlevel;
717 *maxlevel = cmd.maxlevel;
720 lbs_deb_leave(LBS_DEB_CMD);
725 * @brief Set the TX power
727 * @param priv A pointer to struct lbs_private structure
728 * @param dbm The desired power level in dBm
730 * @return 0 on success, error on failure
732 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
734 struct cmd_ds_802_11_rf_tx_power cmd;
737 lbs_deb_enter(LBS_DEB_CMD);
739 memset(&cmd, 0, sizeof(cmd));
740 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
741 cmd.action = cpu_to_le16(CMD_ACT_SET);
742 cmd.curlevel = cpu_to_le16(dbm);
744 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm);
746 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
748 lbs_deb_leave(LBS_DEB_CMD);
752 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
753 u16 cmd_action, void *pdata_buf)
755 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
757 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
759 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
762 monitor->action = cpu_to_le16(cmd_action);
763 if (cmd_action == CMD_ACT_SET) {
765 cpu_to_le16((u16) (*(u32 *) pdata_buf));
771 static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
791 int i = lbs_data_rate_to_fw_index(rate);
793 ratemask = (0x1fef >> (12 - i));
796 return cpu_to_le16(ratemask);
799 int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
802 struct cmd_ds_802_11_rate_adapt_rateset cmd;
805 lbs_deb_enter(LBS_DEB_CMD);
807 if (!priv->cur_rate && !priv->enablehwauto)
810 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
812 cmd.action = cpu_to_le16(cmd_action);
813 cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
814 cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
815 ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
816 if (!ret && cmd_action == CMD_ACT_GET) {
817 priv->ratebitmap = le16_to_cpu(cmd.bitmap);
818 priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
821 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
824 EXPORT_SYMBOL_GPL(lbs_cmd_802_11_rate_adapt_rateset);
827 * @brief Set the data rate
829 * @param priv A pointer to struct lbs_private structure
830 * @param rate The desired data rate, or 0 to clear a locked rate
832 * @return 0 on success, error on failure
834 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
836 struct cmd_ds_802_11_data_rate cmd;
839 lbs_deb_enter(LBS_DEB_CMD);
841 memset(&cmd, 0, sizeof(cmd));
842 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
845 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
846 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
847 if (cmd.rates[0] == 0) {
848 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
853 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
855 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
856 lbs_deb_cmd("DATA_RATE: setting auto\n");
859 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
863 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
865 /* FIXME: get actual rates FW can do if this command actually returns
866 * all data rates supported.
868 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
869 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
872 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
877 * @brief Get the radio channel
879 * @param priv A pointer to struct lbs_private structure
881 * @return The channel on success, error on failure
883 int lbs_get_channel(struct lbs_private *priv)
885 struct cmd_ds_802_11_rf_channel cmd;
888 lbs_deb_enter(LBS_DEB_CMD);
890 memset(&cmd, 0, sizeof(cmd));
891 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
892 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
894 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
898 ret = le16_to_cpu(cmd.channel);
899 lbs_deb_cmd("current radio channel is %d\n", ret);
902 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
906 int lbs_update_channel(struct lbs_private *priv)
910 /* the channel in f/w could be out of sync; get the current channel */
911 lbs_deb_enter(LBS_DEB_ASSOC);
913 ret = lbs_get_channel(priv);
915 priv->curbssparams.channel = ret;
918 lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
923 * @brief Set the radio channel
925 * @param priv A pointer to struct lbs_private structure
926 * @param channel The desired channel, or 0 to clear a locked channel
928 * @return 0 on success, error on failure
930 int lbs_set_channel(struct lbs_private *priv, u8 channel)
932 struct cmd_ds_802_11_rf_channel cmd;
934 u8 old_channel = priv->curbssparams.channel;
938 lbs_deb_enter(LBS_DEB_CMD);
940 memset(&cmd, 0, sizeof(cmd));
941 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
942 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
943 cmd.channel = cpu_to_le16(channel);
945 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
949 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
950 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
951 priv->curbssparams.channel);
954 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
958 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
959 struct cmd_ds_command *cmd)
962 lbs_deb_enter(LBS_DEB_CMD);
963 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
964 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
965 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
967 /* reset Beacon SNR/NF/RSSI values */
968 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
969 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
970 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
971 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
972 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
973 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
975 lbs_deb_leave(LBS_DEB_CMD);
979 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
980 u8 cmd_action, void *pdata_buf)
982 struct lbs_offset_value *offval;
984 lbs_deb_enter(LBS_DEB_CMD);
986 offval = (struct lbs_offset_value *)pdata_buf;
988 switch (le16_to_cpu(cmdptr->command)) {
989 case CMD_MAC_REG_ACCESS:
991 struct cmd_ds_mac_reg_access *macreg;
994 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
997 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
1000 macreg->action = cpu_to_le16(cmd_action);
1001 macreg->offset = cpu_to_le16((u16) offval->offset);
1002 macreg->value = cpu_to_le32(offval->value);
1007 case CMD_BBP_REG_ACCESS:
1009 struct cmd_ds_bbp_reg_access *bbpreg;
1013 (struct cmd_ds_bbp_reg_access)
1016 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
1019 bbpreg->action = cpu_to_le16(cmd_action);
1020 bbpreg->offset = cpu_to_le16((u16) offval->offset);
1021 bbpreg->value = (u8) offval->value;
1026 case CMD_RF_REG_ACCESS:
1028 struct cmd_ds_rf_reg_access *rfreg;
1032 (struct cmd_ds_rf_reg_access) +
1035 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
1038 rfreg->action = cpu_to_le16(cmd_action);
1039 rfreg->offset = cpu_to_le16((u16) offval->offset);
1040 rfreg->value = (u8) offval->value;
1049 lbs_deb_leave(LBS_DEB_CMD);
1053 static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
1054 u16 cmd_action, void *pdata_buf)
1056 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1057 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1059 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1060 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1062 bt_access->action = cpu_to_le16(cmd_action);
1064 switch (cmd_action) {
1065 case CMD_ACT_BT_ACCESS_ADD:
1066 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1067 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1069 case CMD_ACT_BT_ACCESS_DEL:
1070 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1071 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1073 case CMD_ACT_BT_ACCESS_LIST:
1074 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1076 case CMD_ACT_BT_ACCESS_RESET:
1078 case CMD_ACT_BT_ACCESS_SET_INVERT:
1079 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1081 case CMD_ACT_BT_ACCESS_GET_INVERT:
1086 lbs_deb_leave(LBS_DEB_CMD);
1090 static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
1091 u16 cmd_action, void *pdata_buf)
1093 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1094 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1096 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1097 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1101 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1103 memset(fwt_access, 0, sizeof(*fwt_access));
1105 fwt_access->action = cpu_to_le16(cmd_action);
1107 lbs_deb_leave(LBS_DEB_CMD);
1111 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1112 struct cmd_ds_mesh_access *cmd)
1116 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1118 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1119 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1120 cmd->hdr.result = 0;
1122 cmd->action = cpu_to_le16(cmd_action);
1124 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1126 lbs_deb_leave(LBS_DEB_CMD);
1130 static int __lbs_mesh_config_send(struct lbs_private *priv,
1131 struct cmd_ds_mesh_config *cmd,
1132 uint16_t action, uint16_t type)
1135 u16 command = CMD_MESH_CONFIG_OLD;
1137 lbs_deb_enter(LBS_DEB_CMD);
1140 * Command id is 0xac for v10 FW along with mesh interface
1141 * id in bits 14-13-12.
1143 if (priv->mesh_fw_ver == MESH_FW_NEW)
1144 command = CMD_MESH_CONFIG |
1145 (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
1147 cmd->hdr.command = cpu_to_le16(command);
1148 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
1149 cmd->hdr.result = 0;
1151 cmd->type = cpu_to_le16(type);
1152 cmd->action = cpu_to_le16(action);
1154 ret = lbs_cmd_with_response(priv, command, cmd);
1156 lbs_deb_leave(LBS_DEB_CMD);
1160 int lbs_mesh_config_send(struct lbs_private *priv,
1161 struct cmd_ds_mesh_config *cmd,
1162 uint16_t action, uint16_t type)
1166 if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
1169 ret = __lbs_mesh_config_send(priv, cmd, action, type);
1173 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
1174 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
1175 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
1176 * lbs_mesh_config_send.
1178 int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
1180 struct cmd_ds_mesh_config cmd;
1181 struct mrvl_meshie *ie;
1182 DECLARE_SSID_BUF(ssid);
1184 memset(&cmd, 0, sizeof(cmd));
1185 cmd.channel = cpu_to_le16(chan);
1186 ie = (struct mrvl_meshie *)cmd.data;
1189 case CMD_ACT_MESH_CONFIG_START:
1190 ie->id = WLAN_EID_GENERIC;
1191 ie->val.oui[0] = 0x00;
1192 ie->val.oui[1] = 0x50;
1193 ie->val.oui[2] = 0x43;
1194 ie->val.type = MARVELL_MESH_IE_TYPE;
1195 ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
1196 ie->val.version = MARVELL_MESH_IE_VERSION;
1197 ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
1198 ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
1199 ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
1200 ie->val.mesh_id_len = priv->mesh_ssid_len;
1201 memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
1202 ie->len = sizeof(struct mrvl_meshie_val) -
1203 IW_ESSID_MAX_SIZE + priv->mesh_ssid_len;
1204 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
1206 case CMD_ACT_MESH_CONFIG_STOP:
1211 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
1212 action, priv->mesh_tlv, chan,
1213 print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
1215 return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
1218 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1219 struct cmd_ds_command *cmd,
1222 struct cmd_ds_802_11_beacon_control
1223 *bcn_ctrl = &cmd->params.bcn_ctrl;
1225 lbs_deb_enter(LBS_DEB_CMD);
1227 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1229 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1231 bcn_ctrl->action = cpu_to_le16(cmd_action);
1232 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1233 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1235 lbs_deb_leave(LBS_DEB_CMD);
1239 static void lbs_queue_cmd(struct lbs_private *priv,
1240 struct cmd_ctrl_node *cmdnode)
1242 unsigned long flags;
1245 lbs_deb_enter(LBS_DEB_HOST);
1248 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1251 if (!cmdnode->cmdbuf->size) {
1252 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1255 cmdnode->result = 0;
1257 /* Exit_PS command needs to be queued in the header always. */
1258 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1259 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1261 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1262 if (priv->psstate != PS_STATE_FULL_POWER)
1267 spin_lock_irqsave(&priv->driver_lock, flags);
1270 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1272 list_add(&cmdnode->list, &priv->cmdpendingq);
1274 spin_unlock_irqrestore(&priv->driver_lock, flags);
1276 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1277 le16_to_cpu(cmdnode->cmdbuf->command));
1280 lbs_deb_leave(LBS_DEB_HOST);
1283 static void lbs_submit_command(struct lbs_private *priv,
1284 struct cmd_ctrl_node *cmdnode)
1286 unsigned long flags;
1287 struct cmd_header *cmd;
1293 lbs_deb_enter(LBS_DEB_HOST);
1295 cmd = cmdnode->cmdbuf;
1297 spin_lock_irqsave(&priv->driver_lock, flags);
1298 priv->cur_cmd = cmdnode;
1299 priv->cur_cmd_retcode = 0;
1300 spin_unlock_irqrestore(&priv->driver_lock, flags);
1302 cmdsize = le16_to_cpu(cmd->size);
1303 command = le16_to_cpu(cmd->command);
1305 /* These commands take longer */
1306 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE)
1309 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1310 command, le16_to_cpu(cmd->seqnum), cmdsize);
1311 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1313 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1316 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1317 /* Let the timer kick in and retry, and potentially reset
1318 the whole thing if the condition persists */
1322 if (command == CMD_802_11_DEEP_SLEEP) {
1323 if (priv->is_auto_deep_sleep_enabled) {
1324 priv->wakeup_dev_required = 1;
1325 priv->dnld_sent = 0;
1327 priv->is_deep_sleep = 1;
1328 lbs_complete_command(priv, cmdnode, 0);
1330 /* Setup the timer after transmit command */
1331 mod_timer(&priv->command_timer, jiffies + timeo);
1334 lbs_deb_leave(LBS_DEB_HOST);
1338 * This function inserts command node to cmdfreeq
1339 * after cleans it. Requires priv->driver_lock held.
1341 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1342 struct cmd_ctrl_node *cmdnode)
1344 lbs_deb_enter(LBS_DEB_HOST);
1349 cmdnode->callback = NULL;
1350 cmdnode->callback_arg = 0;
1352 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1354 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1356 lbs_deb_leave(LBS_DEB_HOST);
1359 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1360 struct cmd_ctrl_node *ptempcmd)
1362 unsigned long flags;
1364 spin_lock_irqsave(&priv->driver_lock, flags);
1365 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1366 spin_unlock_irqrestore(&priv->driver_lock, flags);
1369 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1372 if (cmd == priv->cur_cmd)
1373 priv->cur_cmd_retcode = result;
1375 cmd->result = result;
1376 cmd->cmdwaitqwoken = 1;
1377 wake_up_interruptible(&cmd->cmdwait_q);
1379 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1380 __lbs_cleanup_and_insert_cmd(priv, cmd);
1381 priv->cur_cmd = NULL;
1384 int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on)
1386 struct cmd_ds_802_11_radio_control cmd;
1389 lbs_deb_enter(LBS_DEB_CMD);
1391 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1392 cmd.action = cpu_to_le16(CMD_ACT_SET);
1394 /* Only v8 and below support setting the preamble */
1395 if (priv->fwrelease < 0x09000000) {
1397 case RADIO_PREAMBLE_SHORT:
1398 if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
1401 case RADIO_PREAMBLE_AUTO:
1402 case RADIO_PREAMBLE_LONG:
1403 cmd.control = cpu_to_le16(preamble);
1411 cmd.control |= cpu_to_le16(0x1);
1413 cmd.control &= cpu_to_le16(~0x1);
1414 priv->txpower_cur = 0;
1417 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1418 radio_on ? "ON" : "OFF", preamble);
1420 priv->radio_on = radio_on;
1422 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1425 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1429 void lbs_set_mac_control(struct lbs_private *priv)
1431 struct cmd_ds_mac_control cmd;
1433 lbs_deb_enter(LBS_DEB_CMD);
1435 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1436 cmd.action = cpu_to_le16(priv->mac_control);
1439 lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd));
1441 lbs_deb_leave(LBS_DEB_CMD);
1445 * @brief This function prepare the command before send to firmware.
1447 * @param priv A pointer to struct lbs_private structure
1448 * @param cmd_no command number
1449 * @param cmd_action command action: GET or SET
1450 * @param wait_option wait option: wait response or not
1451 * @param cmd_oid cmd oid: treated as sub command
1452 * @param pdata_buf A pointer to informaion buffer
1455 int lbs_prepare_and_send_command(struct lbs_private *priv,
1458 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1461 struct cmd_ctrl_node *cmdnode;
1462 struct cmd_ds_command *cmdptr;
1463 unsigned long flags;
1465 lbs_deb_enter(LBS_DEB_HOST);
1468 lbs_deb_host("PREP_CMD: priv is NULL\n");
1473 if (priv->surpriseremoved) {
1474 lbs_deb_host("PREP_CMD: card removed\n");
1479 if (!lbs_is_cmd_allowed(priv)) {
1484 cmdnode = lbs_get_cmd_ctrl_node(priv);
1486 if (cmdnode == NULL) {
1487 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1489 /* Wake up main thread to execute next command */
1490 wake_up_interruptible(&priv->waitq);
1495 cmdnode->callback = NULL;
1496 cmdnode->callback_arg = (unsigned long)pdata_buf;
1498 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1500 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1502 /* Set sequence number, command and INT option */
1504 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1506 cmdptr->command = cpu_to_le16(cmd_no);
1510 case CMD_802_11_PS_MODE:
1511 ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
1514 case CMD_MAC_REG_ACCESS:
1515 case CMD_BBP_REG_ACCESS:
1516 case CMD_RF_REG_ACCESS:
1517 ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
1520 case CMD_802_11_MONITOR_MODE:
1521 ret = lbs_cmd_802_11_monitor_mode(cmdptr,
1522 cmd_action, pdata_buf);
1525 case CMD_802_11_RSSI:
1526 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1529 case CMD_802_11_SET_AFC:
1530 case CMD_802_11_GET_AFC:
1532 cmdptr->command = cpu_to_le16(cmd_no);
1533 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1536 memmove(&cmdptr->params.afc,
1537 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1542 case CMD_802_11D_DOMAIN_INFO:
1543 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1544 cmd_no, cmd_action);
1547 case CMD_802_11_TPC_CFG:
1548 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1550 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1553 memmove(&cmdptr->params.tpccfg,
1554 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1558 case CMD_802_11_LED_GPIO_CTRL:
1560 struct mrvl_ie_ledgpio *gpio =
1561 (struct mrvl_ie_ledgpio*)
1562 cmdptr->params.ledgpio.data;
1564 memmove(&cmdptr->params.ledgpio,
1566 sizeof(struct cmd_ds_802_11_led_ctrl));
1569 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1571 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1573 cpu_to_le16(le16_to_cpu(gpio->header.len)
1575 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1576 gpio->header.len = gpio->header.len;
1583 ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
1586 case CMD_FWT_ACCESS:
1587 ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
1591 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1592 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1596 case CMD_802_11_BEACON_CTRL:
1597 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1599 case CMD_802_11_DEEP_SLEEP:
1600 cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP);
1601 cmdptr->size = cpu_to_le16(S_DS_GEN);
1604 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1609 /* return error, since the command preparation failed */
1611 lbs_deb_host("PREP_CMD: command preparation failed\n");
1612 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1617 cmdnode->cmdwaitqwoken = 0;
1619 lbs_queue_cmd(priv, cmdnode);
1620 wake_up_interruptible(&priv->waitq);
1622 if (wait_option & CMD_OPTION_WAITFORRSP) {
1623 lbs_deb_host("PREP_CMD: wait for response\n");
1625 wait_event_interruptible(cmdnode->cmdwait_q,
1626 cmdnode->cmdwaitqwoken);
1629 spin_lock_irqsave(&priv->driver_lock, flags);
1630 if (priv->cur_cmd_retcode) {
1631 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1632 priv->cur_cmd_retcode);
1633 priv->cur_cmd_retcode = 0;
1636 spin_unlock_irqrestore(&priv->driver_lock, flags);
1639 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1644 * @brief This function allocates the command buffer and link
1645 * it to command free queue.
1647 * @param priv A pointer to struct lbs_private structure
1650 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1655 struct cmd_ctrl_node *cmdarray;
1657 lbs_deb_enter(LBS_DEB_HOST);
1659 /* Allocate and initialize the command array */
1660 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1661 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1662 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1666 priv->cmd_array = cmdarray;
1668 /* Allocate and initialize each command buffer in the command array */
1669 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1670 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1671 if (!cmdarray[i].cmdbuf) {
1672 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1678 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1679 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1680 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1685 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1690 * @brief This function frees the command buffer.
1692 * @param priv A pointer to struct lbs_private structure
1695 int lbs_free_cmd_buffer(struct lbs_private *priv)
1697 struct cmd_ctrl_node *cmdarray;
1700 lbs_deb_enter(LBS_DEB_HOST);
1702 /* need to check if cmd array is allocated or not */
1703 if (priv->cmd_array == NULL) {
1704 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1708 cmdarray = priv->cmd_array;
1710 /* Release shared memory buffers */
1711 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1712 if (cmdarray[i].cmdbuf) {
1713 kfree(cmdarray[i].cmdbuf);
1714 cmdarray[i].cmdbuf = NULL;
1718 /* Release cmd_ctrl_node */
1719 if (priv->cmd_array) {
1720 kfree(priv->cmd_array);
1721 priv->cmd_array = NULL;
1725 lbs_deb_leave(LBS_DEB_HOST);
1730 * @brief This function gets a free command node if available in
1731 * command free queue.
1733 * @param priv A pointer to struct lbs_private structure
1734 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1736 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1738 struct cmd_ctrl_node *tempnode;
1739 unsigned long flags;
1741 lbs_deb_enter(LBS_DEB_HOST);
1746 spin_lock_irqsave(&priv->driver_lock, flags);
1748 if (!list_empty(&priv->cmdfreeq)) {
1749 tempnode = list_first_entry(&priv->cmdfreeq,
1750 struct cmd_ctrl_node, list);
1751 list_del(&tempnode->list);
1753 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1757 spin_unlock_irqrestore(&priv->driver_lock, flags);
1759 lbs_deb_leave(LBS_DEB_HOST);
1764 * @brief This function executes next command in command
1765 * pending queue. It will put firmware back to PS mode
1768 * @param priv A pointer to struct lbs_private structure
1771 int lbs_execute_next_command(struct lbs_private *priv)
1773 struct cmd_ctrl_node *cmdnode = NULL;
1774 struct cmd_header *cmd;
1775 unsigned long flags;
1778 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1779 * only caller to us is lbs_thread() and we get even when a
1780 * data packet is received */
1781 lbs_deb_enter(LBS_DEB_THREAD);
1783 spin_lock_irqsave(&priv->driver_lock, flags);
1785 if (priv->cur_cmd) {
1786 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1787 spin_unlock_irqrestore(&priv->driver_lock, flags);
1792 if (!list_empty(&priv->cmdpendingq)) {
1793 cmdnode = list_first_entry(&priv->cmdpendingq,
1794 struct cmd_ctrl_node, list);
1797 spin_unlock_irqrestore(&priv->driver_lock, flags);
1800 cmd = cmdnode->cmdbuf;
1802 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1803 if ((priv->psstate == PS_STATE_SLEEP) ||
1804 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1806 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1807 le16_to_cpu(cmd->command),
1812 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1813 "0x%04x in psstate %d\n",
1814 le16_to_cpu(cmd->command), priv->psstate);
1815 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1817 * 1. Non-PS command:
1818 * Queue it. set needtowakeup to TRUE if current state
1819 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1820 * 2. PS command but not Exit_PS:
1822 * 3. PS command Exit_PS:
1823 * Set needtowakeup to TRUE if current state is SLEEP,
1824 * otherwise send this command down to firmware
1827 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1828 /* Prepare to send Exit PS,
1829 * this non PS command will be sent later */
1830 if ((priv->psstate == PS_STATE_SLEEP)
1831 || (priv->psstate == PS_STATE_PRE_SLEEP)
1833 /* w/ new scheme, it will not reach here.
1834 since it is blocked in main_thread. */
1835 priv->needtowakeup = 1;
1837 lbs_ps_wakeup(priv, 0);
1843 * PS command. Ignore it if it is not Exit_PS.
1844 * otherwise send it down immediately.
1846 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1849 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1852 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1854 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1855 list_del(&cmdnode->list);
1856 spin_lock_irqsave(&priv->driver_lock, flags);
1857 lbs_complete_command(priv, cmdnode, 0);
1858 spin_unlock_irqrestore(&priv->driver_lock, flags);
1864 if ((priv->psstate == PS_STATE_SLEEP) ||
1865 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1867 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1868 list_del(&cmdnode->list);
1869 spin_lock_irqsave(&priv->driver_lock, flags);
1870 lbs_complete_command(priv, cmdnode, 0);
1871 spin_unlock_irqrestore(&priv->driver_lock, flags);
1872 priv->needtowakeup = 1;
1879 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1882 list_del(&cmdnode->list);
1883 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1884 le16_to_cpu(cmd->command));
1885 lbs_submit_command(priv, cmdnode);
1888 * check if in power save mode, if yes, put the device back
1891 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1892 (priv->psstate == PS_STATE_FULL_POWER) &&
1893 ((priv->connect_status == LBS_CONNECTED) ||
1894 (priv->mesh_connect_status == LBS_CONNECTED))) {
1895 if (priv->secinfo.WPAenabled ||
1896 priv->secinfo.WPA2enabled) {
1897 /* check for valid WPA group keys */
1898 if (priv->wpa_mcast_key.len ||
1899 priv->wpa_unicast_key.len) {
1901 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1902 " go back to PS_SLEEP");
1903 lbs_ps_sleep(priv, 0);
1907 "EXEC_NEXT_CMD: cmdpendingq empty, "
1908 "go back to PS_SLEEP");
1909 lbs_ps_sleep(priv, 0);
1916 lbs_deb_leave(LBS_DEB_THREAD);
1920 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1922 union iwreq_data iwrq;
1925 lbs_deb_enter(LBS_DEB_WEXT);
1927 memset(&iwrq, 0, sizeof(union iwreq_data));
1928 memset(buf, 0, sizeof(buf));
1930 snprintf(buf, sizeof(buf) - 1, "%s", str);
1932 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1934 /* Send Event to upper layer */
1935 lbs_deb_wext("event indication string %s\n", (char *)buf);
1936 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1937 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1939 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1941 lbs_deb_leave(LBS_DEB_WEXT);
1944 static void lbs_send_confirmsleep(struct lbs_private *priv)
1946 unsigned long flags;
1949 lbs_deb_enter(LBS_DEB_HOST);
1950 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
1951 sizeof(confirm_sleep));
1953 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
1954 sizeof(confirm_sleep));
1956 lbs_pr_alert("confirm_sleep failed\n");
1960 spin_lock_irqsave(&priv->driver_lock, flags);
1962 /* We don't get a response on the sleep-confirmation */
1963 priv->dnld_sent = DNLD_RES_RECEIVED;
1965 /* If nothing to do, go back to sleep (?) */
1966 if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
1967 priv->psstate = PS_STATE_SLEEP;
1969 spin_unlock_irqrestore(&priv->driver_lock, flags);
1972 lbs_deb_leave(LBS_DEB_HOST);
1975 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1977 lbs_deb_enter(LBS_DEB_HOST);
1980 * PS is currently supported only in Infrastructure mode
1981 * Remove this check if it is to be supported in IBSS mode also
1984 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1985 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1987 lbs_deb_leave(LBS_DEB_HOST);
1991 * @brief This function sends Exit_PS command to firmware.
1993 * @param priv A pointer to struct lbs_private structure
1994 * @param wait_option wait response or not
1997 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2001 lbs_deb_enter(LBS_DEB_HOST);
2003 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2005 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2007 wait_option, 0, &Localpsmode);
2009 lbs_deb_leave(LBS_DEB_HOST);
2013 * @brief This function checks condition and prepares to
2014 * send sleep confirm command to firmware if ok.
2016 * @param priv A pointer to struct lbs_private structure
2017 * @param psmode Power Saving mode
2020 void lbs_ps_confirm_sleep(struct lbs_private *priv)
2022 unsigned long flags =0;
2025 lbs_deb_enter(LBS_DEB_HOST);
2027 spin_lock_irqsave(&priv->driver_lock, flags);
2028 if (priv->dnld_sent) {
2030 lbs_deb_host("dnld_sent was set\n");
2033 /* In-progress command? */
2034 if (priv->cur_cmd) {
2036 lbs_deb_host("cur_cmd was set\n");
2039 /* Pending events or command responses? */
2040 if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
2042 lbs_deb_host("pending events or command responses\n");
2044 spin_unlock_irqrestore(&priv->driver_lock, flags);
2047 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2048 lbs_send_confirmsleep(priv);
2050 lbs_deb_host("sleep confirm has been delayed\n");
2053 lbs_deb_leave(LBS_DEB_HOST);
2058 * @brief Configures the transmission power control functionality.
2060 * @param priv A pointer to struct lbs_private structure
2061 * @param enable Transmission power control enable
2062 * @param p0 Power level when link quality is good (dBm).
2063 * @param p1 Power level when link quality is fair (dBm).
2064 * @param p2 Power level when link quality is poor (dBm).
2065 * @param usesnr Use Signal to Noise Ratio in TPC
2067 * @return 0 on success
2069 int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
2070 int8_t p2, int usesnr)
2072 struct cmd_ds_802_11_tpc_cfg cmd;
2075 memset(&cmd, 0, sizeof(cmd));
2076 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
2077 cmd.action = cpu_to_le16(CMD_ACT_SET);
2078 cmd.enable = !!enable;
2079 cmd.usesnr = !!usesnr;
2084 ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd);
2090 * @brief Configures the power adaptation settings.
2092 * @param priv A pointer to struct lbs_private structure
2093 * @param enable Power adaptation enable
2094 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
2095 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
2096 * @param p2 Power level for 48 and 54 Mbps (dBm).
2098 * @return 0 on Success
2101 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
2102 int8_t p1, int8_t p2)
2104 struct cmd_ds_802_11_pa_cfg cmd;
2107 memset(&cmd, 0, sizeof(cmd));
2108 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
2109 cmd.action = cpu_to_le16(CMD_ACT_SET);
2110 cmd.enable = !!enable;
2115 ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd);
2121 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
2122 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
2123 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2124 unsigned long callback_arg)
2126 struct cmd_ctrl_node *cmdnode;
2128 lbs_deb_enter(LBS_DEB_HOST);
2130 if (priv->surpriseremoved) {
2131 lbs_deb_host("PREP_CMD: card removed\n");
2132 cmdnode = ERR_PTR(-ENOENT);
2136 if (!lbs_is_cmd_allowed(priv)) {
2137 cmdnode = ERR_PTR(-EBUSY);
2141 cmdnode = lbs_get_cmd_ctrl_node(priv);
2142 if (cmdnode == NULL) {
2143 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2145 /* Wake up main thread to execute next command */
2146 wake_up_interruptible(&priv->waitq);
2147 cmdnode = ERR_PTR(-ENOBUFS);
2151 cmdnode->callback = callback;
2152 cmdnode->callback_arg = callback_arg;
2154 /* Copy the incoming command to the buffer */
2155 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2157 /* Set sequence number, clean result, move to buffer */
2159 cmdnode->cmdbuf->command = cpu_to_le16(command);
2160 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2161 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2162 cmdnode->cmdbuf->result = 0;
2164 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2166 cmdnode->cmdwaitqwoken = 0;
2167 lbs_queue_cmd(priv, cmdnode);
2168 wake_up_interruptible(&priv->waitq);
2171 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2175 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2176 struct cmd_header *in_cmd, int in_cmd_size)
2178 lbs_deb_enter(LBS_DEB_CMD);
2179 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2180 lbs_cmd_async_callback, 0);
2181 lbs_deb_leave(LBS_DEB_CMD);
2184 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2185 struct cmd_header *in_cmd, int in_cmd_size,
2186 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2187 unsigned long callback_arg)
2189 struct cmd_ctrl_node *cmdnode;
2190 unsigned long flags;
2193 lbs_deb_enter(LBS_DEB_HOST);
2195 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2196 callback, callback_arg);
2197 if (IS_ERR(cmdnode)) {
2198 ret = PTR_ERR(cmdnode);
2203 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2205 spin_lock_irqsave(&priv->driver_lock, flags);
2206 ret = cmdnode->result;
2208 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2211 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2212 spin_unlock_irqrestore(&priv->driver_lock, flags);
2215 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2218 EXPORT_SYMBOL_GPL(__lbs_cmd);