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)) {
195 lbs_deb_leave(LBS_DEB_CMD);
199 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
200 struct wol_config *p_wol_config)
202 struct cmd_ds_host_sleep cmd_config;
205 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
206 cmd_config.criteria = cpu_to_le32(criteria);
207 cmd_config.gpio = priv->wol_gpio;
208 cmd_config.gap = priv->wol_gap;
210 if (p_wol_config != NULL)
211 memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config,
212 sizeof(struct wol_config));
214 cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE;
216 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
219 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
220 priv->wol_criteria = criteria;
222 memcpy((uint8_t *) p_wol_config,
223 (uint8_t *)&cmd_config.wol_conf,
224 sizeof(struct wol_config));
226 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
231 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
233 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
236 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
238 lbs_deb_enter(LBS_DEB_CMD);
240 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
241 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
243 psm->action = cpu_to_le16(cmd_action);
244 psm->multipledtim = 0;
245 switch (cmd_action) {
246 case CMD_SUBCMD_ENTER_PS:
247 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
249 psm->locallisteninterval = 0;
250 psm->nullpktinterval = 0;
252 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
255 case CMD_SUBCMD_EXIT_PS:
256 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
259 case CMD_SUBCMD_SLEEP_CONFIRMED:
260 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
267 lbs_deb_leave(LBS_DEB_CMD);
271 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
272 struct sleep_params *sp)
274 struct cmd_ds_802_11_sleep_params cmd;
277 lbs_deb_enter(LBS_DEB_CMD);
279 if (cmd_action == CMD_ACT_GET) {
280 memset(&cmd, 0, sizeof(cmd));
282 cmd.error = cpu_to_le16(sp->sp_error);
283 cmd.offset = cpu_to_le16(sp->sp_offset);
284 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
285 cmd.calcontrol = sp->sp_calcontrol;
286 cmd.externalsleepclk = sp->sp_extsleepclk;
287 cmd.reserved = cpu_to_le16(sp->sp_reserved);
289 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
290 cmd.action = cpu_to_le16(cmd_action);
292 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
295 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
296 "calcontrol 0x%x extsleepclk 0x%x\n",
297 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
298 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
299 cmd.externalsleepclk);
301 sp->sp_error = le16_to_cpu(cmd.error);
302 sp->sp_offset = le16_to_cpu(cmd.offset);
303 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
304 sp->sp_calcontrol = cmd.calcontrol;
305 sp->sp_extsleepclk = cmd.externalsleepclk;
306 sp->sp_reserved = le16_to_cpu(cmd.reserved);
309 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
313 static int lbs_wait_for_ds_awake(struct lbs_private *priv)
317 lbs_deb_enter(LBS_DEB_CMD);
319 if (priv->is_deep_sleep) {
320 if (!wait_event_interruptible_timeout(priv->ds_awake_q,
321 !priv->is_deep_sleep, (10 * HZ))) {
322 lbs_pr_err("ds_awake_q: timer expired\n");
327 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
331 int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
335 lbs_deb_enter(LBS_DEB_CMD);
338 if (priv->is_deep_sleep != 1) {
339 lbs_deb_cmd("deep sleep: sleep\n");
340 BUG_ON(!priv->enter_deep_sleep);
341 ret = priv->enter_deep_sleep(priv);
343 netif_stop_queue(priv->dev);
344 netif_carrier_off(priv->dev);
347 lbs_pr_err("deep sleep: already enabled\n");
350 if (priv->is_deep_sleep) {
351 lbs_deb_cmd("deep sleep: wakeup\n");
352 BUG_ON(!priv->exit_deep_sleep);
353 ret = priv->exit_deep_sleep(priv);
355 ret = lbs_wait_for_ds_awake(priv);
357 lbs_pr_err("deep sleep: wakeup"
363 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
368 * @brief Set an SNMP MIB value
370 * @param priv A pointer to struct lbs_private structure
371 * @param oid The OID to set in the firmware
372 * @param val Value to set the OID to
374 * @return 0 on success, error on failure
376 int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
378 struct cmd_ds_802_11_snmp_mib cmd;
381 lbs_deb_enter(LBS_DEB_CMD);
383 memset(&cmd, 0, sizeof (cmd));
384 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
385 cmd.action = cpu_to_le16(CMD_ACT_SET);
386 cmd.oid = cpu_to_le16((u16) oid);
389 case SNMP_MIB_OID_BSS_TYPE:
390 cmd.bufsize = cpu_to_le16(sizeof(u8));
391 cmd.value[0] = (val == IW_MODE_ADHOC) ? 2 : 1;
393 case SNMP_MIB_OID_11D_ENABLE:
394 case SNMP_MIB_OID_FRAG_THRESHOLD:
395 case SNMP_MIB_OID_RTS_THRESHOLD:
396 case SNMP_MIB_OID_SHORT_RETRY_LIMIT:
397 case SNMP_MIB_OID_LONG_RETRY_LIMIT:
398 cmd.bufsize = cpu_to_le16(sizeof(u16));
399 *((__le16 *)(&cmd.value)) = cpu_to_le16(val);
402 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid);
407 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
408 le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val);
410 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
413 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
418 * @brief Get an SNMP MIB value
420 * @param priv A pointer to struct lbs_private structure
421 * @param oid The OID to retrieve from the firmware
422 * @param out_val Location for the returned value
424 * @return 0 on success, error on failure
426 int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
428 struct cmd_ds_802_11_snmp_mib cmd;
431 lbs_deb_enter(LBS_DEB_CMD);
433 memset(&cmd, 0, sizeof (cmd));
434 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
435 cmd.action = cpu_to_le16(CMD_ACT_GET);
436 cmd.oid = cpu_to_le16(oid);
438 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
442 switch (le16_to_cpu(cmd.bufsize)) {
444 if (oid == SNMP_MIB_OID_BSS_TYPE) {
445 if (cmd.value[0] == 2)
446 *out_val = IW_MODE_ADHOC;
448 *out_val = IW_MODE_INFRA;
450 *out_val = cmd.value[0];
453 *out_val = le16_to_cpu(*((__le16 *)(&cmd.value)));
456 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
457 oid, le16_to_cpu(cmd.bufsize));
462 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
467 * @brief Get the min, max, and current TX power
469 * @param priv A pointer to struct lbs_private structure
470 * @param curlevel Current power level in dBm
471 * @param minlevel Minimum supported power level in dBm (optional)
472 * @param maxlevel Maximum supported power level in dBm (optional)
474 * @return 0 on success, error on failure
476 int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
479 struct cmd_ds_802_11_rf_tx_power cmd;
482 lbs_deb_enter(LBS_DEB_CMD);
484 memset(&cmd, 0, sizeof(cmd));
485 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
486 cmd.action = cpu_to_le16(CMD_ACT_GET);
488 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
490 *curlevel = le16_to_cpu(cmd.curlevel);
492 *minlevel = cmd.minlevel;
494 *maxlevel = cmd.maxlevel;
497 lbs_deb_leave(LBS_DEB_CMD);
502 * @brief Set the TX power
504 * @param priv A pointer to struct lbs_private structure
505 * @param dbm The desired power level in dBm
507 * @return 0 on success, error on failure
509 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
511 struct cmd_ds_802_11_rf_tx_power cmd;
514 lbs_deb_enter(LBS_DEB_CMD);
516 memset(&cmd, 0, sizeof(cmd));
517 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
518 cmd.action = cpu_to_le16(CMD_ACT_SET);
519 cmd.curlevel = cpu_to_le16(dbm);
521 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm);
523 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
525 lbs_deb_leave(LBS_DEB_CMD);
529 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
530 u16 cmd_action, void *pdata_buf)
532 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
534 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
536 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
539 monitor->action = cpu_to_le16(cmd_action);
540 if (cmd_action == CMD_ACT_SET) {
542 cpu_to_le16((u16) (*(u32 *) pdata_buf));
549 * @brief Get the radio channel
551 * @param priv A pointer to struct lbs_private structure
553 * @return The channel on success, error on failure
555 static int lbs_get_channel(struct lbs_private *priv)
557 struct cmd_ds_802_11_rf_channel cmd;
560 lbs_deb_enter(LBS_DEB_CMD);
562 memset(&cmd, 0, sizeof(cmd));
563 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
564 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
566 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
570 ret = le16_to_cpu(cmd.channel);
571 lbs_deb_cmd("current radio channel is %d\n", ret);
574 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
578 int lbs_update_channel(struct lbs_private *priv)
582 /* the channel in f/w could be out of sync; get the current channel */
583 lbs_deb_enter(LBS_DEB_ASSOC);
585 ret = lbs_get_channel(priv);
590 lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
595 * @brief Set the radio channel
597 * @param priv A pointer to struct lbs_private structure
598 * @param channel The desired channel, or 0 to clear a locked channel
600 * @return 0 on success, error on failure
602 int lbs_set_channel(struct lbs_private *priv, u8 channel)
604 struct cmd_ds_802_11_rf_channel cmd;
606 u8 old_channel = priv->channel;
610 lbs_deb_enter(LBS_DEB_CMD);
612 memset(&cmd, 0, sizeof(cmd));
613 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
614 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
615 cmd.channel = cpu_to_le16(channel);
617 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
621 priv->channel = (uint8_t) le16_to_cpu(cmd.channel);
622 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
626 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
630 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
631 u8 cmd_action, void *pdata_buf)
633 struct lbs_offset_value *offval;
635 lbs_deb_enter(LBS_DEB_CMD);
637 offval = (struct lbs_offset_value *)pdata_buf;
639 switch (le16_to_cpu(cmdptr->command)) {
640 case CMD_MAC_REG_ACCESS:
642 struct cmd_ds_mac_reg_access *macreg;
645 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
648 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
651 macreg->action = cpu_to_le16(cmd_action);
652 macreg->offset = cpu_to_le16((u16) offval->offset);
653 macreg->value = cpu_to_le32(offval->value);
658 case CMD_BBP_REG_ACCESS:
660 struct cmd_ds_bbp_reg_access *bbpreg;
664 (struct cmd_ds_bbp_reg_access)
667 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
670 bbpreg->action = cpu_to_le16(cmd_action);
671 bbpreg->offset = cpu_to_le16((u16) offval->offset);
672 bbpreg->value = (u8) offval->value;
677 case CMD_RF_REG_ACCESS:
679 struct cmd_ds_rf_reg_access *rfreg;
683 (struct cmd_ds_rf_reg_access) +
686 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
689 rfreg->action = cpu_to_le16(cmd_action);
690 rfreg->offset = cpu_to_le16((u16) offval->offset);
691 rfreg->value = (u8) offval->value;
700 lbs_deb_leave(LBS_DEB_CMD);
704 static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
705 u16 cmd_action, void *pdata_buf)
707 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
708 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
710 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
711 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
713 bt_access->action = cpu_to_le16(cmd_action);
715 switch (cmd_action) {
716 case CMD_ACT_BT_ACCESS_ADD:
717 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
718 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
720 case CMD_ACT_BT_ACCESS_DEL:
721 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
722 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
724 case CMD_ACT_BT_ACCESS_LIST:
725 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
727 case CMD_ACT_BT_ACCESS_RESET:
729 case CMD_ACT_BT_ACCESS_SET_INVERT:
730 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
732 case CMD_ACT_BT_ACCESS_GET_INVERT:
737 lbs_deb_leave(LBS_DEB_CMD);
741 static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
742 u16 cmd_action, void *pdata_buf)
744 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
745 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
747 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
748 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
752 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
754 memset(fwt_access, 0, sizeof(*fwt_access));
756 fwt_access->action = cpu_to_le16(cmd_action);
758 lbs_deb_leave(LBS_DEB_CMD);
762 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
763 struct cmd_ds_mesh_access *cmd)
767 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
769 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
770 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
773 cmd->action = cpu_to_le16(cmd_action);
775 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
777 lbs_deb_leave(LBS_DEB_CMD);
781 static int __lbs_mesh_config_send(struct lbs_private *priv,
782 struct cmd_ds_mesh_config *cmd,
783 uint16_t action, uint16_t type)
786 u16 command = CMD_MESH_CONFIG_OLD;
788 lbs_deb_enter(LBS_DEB_CMD);
791 * Command id is 0xac for v10 FW along with mesh interface
792 * id in bits 14-13-12.
794 if (priv->mesh_fw_ver == MESH_FW_NEW)
795 command = CMD_MESH_CONFIG |
796 (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET);
798 cmd->hdr.command = cpu_to_le16(command);
799 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_config));
802 cmd->type = cpu_to_le16(type);
803 cmd->action = cpu_to_le16(action);
805 ret = lbs_cmd_with_response(priv, command, cmd);
807 lbs_deb_leave(LBS_DEB_CMD);
811 int lbs_mesh_config_send(struct lbs_private *priv,
812 struct cmd_ds_mesh_config *cmd,
813 uint16_t action, uint16_t type)
817 if (!(priv->fwcapinfo & FW_CAPINFO_PERSISTENT_CONFIG))
820 ret = __lbs_mesh_config_send(priv, cmd, action, type);
824 /* This function is the CMD_MESH_CONFIG legacy function. It only handles the
825 * START and STOP actions. The extended actions supported by CMD_MESH_CONFIG
826 * are all handled by preparing a struct cmd_ds_mesh_config and passing it to
827 * lbs_mesh_config_send.
829 int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
831 struct cmd_ds_mesh_config cmd;
832 struct mrvl_meshie *ie;
833 DECLARE_SSID_BUF(ssid);
835 memset(&cmd, 0, sizeof(cmd));
836 cmd.channel = cpu_to_le16(chan);
837 ie = (struct mrvl_meshie *)cmd.data;
840 case CMD_ACT_MESH_CONFIG_START:
841 ie->id = WLAN_EID_GENERIC;
842 ie->val.oui[0] = 0x00;
843 ie->val.oui[1] = 0x50;
844 ie->val.oui[2] = 0x43;
845 ie->val.type = MARVELL_MESH_IE_TYPE;
846 ie->val.subtype = MARVELL_MESH_IE_SUBTYPE;
847 ie->val.version = MARVELL_MESH_IE_VERSION;
848 ie->val.active_protocol_id = MARVELL_MESH_PROTO_ID_HWMP;
849 ie->val.active_metric_id = MARVELL_MESH_METRIC_ID;
850 ie->val.mesh_capability = MARVELL_MESH_CAPABILITY;
851 ie->val.mesh_id_len = priv->mesh_ssid_len;
852 memcpy(ie->val.mesh_id, priv->mesh_ssid, priv->mesh_ssid_len);
853 ie->len = sizeof(struct mrvl_meshie_val) -
854 IEEE80211_MAX_SSID_LEN + priv->mesh_ssid_len;
855 cmd.length = cpu_to_le16(sizeof(struct mrvl_meshie_val));
857 case CMD_ACT_MESH_CONFIG_STOP:
862 lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
863 action, priv->mesh_tlv, chan,
864 print_ssid(ssid, priv->mesh_ssid, priv->mesh_ssid_len));
866 return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
869 static void lbs_queue_cmd(struct lbs_private *priv,
870 struct cmd_ctrl_node *cmdnode)
875 lbs_deb_enter(LBS_DEB_HOST);
878 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
881 if (!cmdnode->cmdbuf->size) {
882 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
887 /* Exit_PS command needs to be queued in the header always. */
888 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
889 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
891 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
892 if (priv->psstate != PS_STATE_FULL_POWER)
897 spin_lock_irqsave(&priv->driver_lock, flags);
900 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
902 list_add(&cmdnode->list, &priv->cmdpendingq);
904 spin_unlock_irqrestore(&priv->driver_lock, flags);
906 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
907 le16_to_cpu(cmdnode->cmdbuf->command));
910 lbs_deb_leave(LBS_DEB_HOST);
913 static void lbs_submit_command(struct lbs_private *priv,
914 struct cmd_ctrl_node *cmdnode)
917 struct cmd_header *cmd;
923 lbs_deb_enter(LBS_DEB_HOST);
925 cmd = cmdnode->cmdbuf;
927 spin_lock_irqsave(&priv->driver_lock, flags);
928 priv->cur_cmd = cmdnode;
929 priv->cur_cmd_retcode = 0;
930 spin_unlock_irqrestore(&priv->driver_lock, flags);
932 cmdsize = le16_to_cpu(cmd->size);
933 command = le16_to_cpu(cmd->command);
935 /* These commands take longer */
936 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE)
939 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
940 command, le16_to_cpu(cmd->seqnum), cmdsize);
941 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
943 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
946 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
947 /* Let the timer kick in and retry, and potentially reset
948 the whole thing if the condition persists */
952 if (command == CMD_802_11_DEEP_SLEEP) {
953 if (priv->is_auto_deep_sleep_enabled) {
954 priv->wakeup_dev_required = 1;
957 priv->is_deep_sleep = 1;
958 lbs_complete_command(priv, cmdnode, 0);
960 /* Setup the timer after transmit command */
961 mod_timer(&priv->command_timer, jiffies + timeo);
964 lbs_deb_leave(LBS_DEB_HOST);
968 * This function inserts command node to cmdfreeq
969 * after cleans it. Requires priv->driver_lock held.
971 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
972 struct cmd_ctrl_node *cmdnode)
974 lbs_deb_enter(LBS_DEB_HOST);
979 cmdnode->callback = NULL;
980 cmdnode->callback_arg = 0;
982 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
984 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
986 lbs_deb_leave(LBS_DEB_HOST);
989 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
990 struct cmd_ctrl_node *ptempcmd)
994 spin_lock_irqsave(&priv->driver_lock, flags);
995 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
996 spin_unlock_irqrestore(&priv->driver_lock, flags);
999 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1002 if (cmd == priv->cur_cmd)
1003 priv->cur_cmd_retcode = result;
1005 cmd->result = result;
1006 cmd->cmdwaitqwoken = 1;
1007 wake_up_interruptible(&cmd->cmdwait_q);
1009 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1010 __lbs_cleanup_and_insert_cmd(priv, cmd);
1011 priv->cur_cmd = NULL;
1014 int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on)
1016 struct cmd_ds_802_11_radio_control cmd;
1019 lbs_deb_enter(LBS_DEB_CMD);
1021 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1022 cmd.action = cpu_to_le16(CMD_ACT_SET);
1024 /* Only v8 and below support setting the preamble */
1025 if (priv->fwrelease < 0x09000000) {
1027 case RADIO_PREAMBLE_SHORT:
1028 if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
1031 case RADIO_PREAMBLE_AUTO:
1032 case RADIO_PREAMBLE_LONG:
1033 cmd.control = cpu_to_le16(preamble);
1041 cmd.control |= cpu_to_le16(0x1);
1043 cmd.control &= cpu_to_le16(~0x1);
1044 priv->txpower_cur = 0;
1047 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1048 radio_on ? "ON" : "OFF", preamble);
1050 priv->radio_on = radio_on;
1052 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1055 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1059 void lbs_set_mac_control(struct lbs_private *priv)
1061 struct cmd_ds_mac_control cmd;
1063 lbs_deb_enter(LBS_DEB_CMD);
1065 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1066 cmd.action = cpu_to_le16(priv->mac_control);
1069 lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd));
1071 lbs_deb_leave(LBS_DEB_CMD);
1075 * @brief This function prepare the command before send to firmware.
1077 * @param priv A pointer to struct lbs_private structure
1078 * @param cmd_no command number
1079 * @param cmd_action command action: GET or SET
1080 * @param wait_option wait option: wait response or not
1081 * @param cmd_oid cmd oid: treated as sub command
1082 * @param pdata_buf A pointer to informaion buffer
1085 int lbs_prepare_and_send_command(struct lbs_private *priv,
1088 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1091 struct cmd_ctrl_node *cmdnode;
1092 struct cmd_ds_command *cmdptr;
1093 unsigned long flags;
1095 lbs_deb_enter(LBS_DEB_HOST);
1098 lbs_deb_host("PREP_CMD: priv is NULL\n");
1103 if (priv->surpriseremoved) {
1104 lbs_deb_host("PREP_CMD: card removed\n");
1109 if (!lbs_is_cmd_allowed(priv)) {
1114 cmdnode = lbs_get_cmd_ctrl_node(priv);
1116 if (cmdnode == NULL) {
1117 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1119 /* Wake up main thread to execute next command */
1120 wake_up_interruptible(&priv->waitq);
1125 cmdnode->callback = NULL;
1126 cmdnode->callback_arg = (unsigned long)pdata_buf;
1128 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1130 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1132 /* Set sequence number, command and INT option */
1134 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1136 cmdptr->command = cpu_to_le16(cmd_no);
1140 case CMD_802_11_PS_MODE:
1141 ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
1144 case CMD_MAC_REG_ACCESS:
1145 case CMD_BBP_REG_ACCESS:
1146 case CMD_RF_REG_ACCESS:
1147 ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
1150 case CMD_802_11_MONITOR_MODE:
1151 ret = lbs_cmd_802_11_monitor_mode(cmdptr,
1152 cmd_action, pdata_buf);
1155 case CMD_802_11_RSSI:
1156 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1159 case CMD_802_11_SET_AFC:
1160 case CMD_802_11_GET_AFC:
1162 cmdptr->command = cpu_to_le16(cmd_no);
1163 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1166 memmove(&cmdptr->params.afc,
1167 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1172 case CMD_802_11_TPC_CFG:
1173 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1175 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1178 memmove(&cmdptr->params.tpccfg,
1179 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1185 ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
1188 case CMD_FWT_ACCESS:
1189 ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
1193 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1194 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1198 case CMD_802_11_BEACON_CTRL:
1199 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1201 case CMD_802_11_DEEP_SLEEP:
1202 cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP);
1203 cmdptr->size = cpu_to_le16(S_DS_GEN);
1206 lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1211 /* return error, since the command preparation failed */
1213 lbs_deb_host("PREP_CMD: command preparation failed\n");
1214 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1219 cmdnode->cmdwaitqwoken = 0;
1221 lbs_queue_cmd(priv, cmdnode);
1222 wake_up_interruptible(&priv->waitq);
1224 if (wait_option & CMD_OPTION_WAITFORRSP) {
1225 lbs_deb_host("PREP_CMD: wait for response\n");
1227 wait_event_interruptible(cmdnode->cmdwait_q,
1228 cmdnode->cmdwaitqwoken);
1231 spin_lock_irqsave(&priv->driver_lock, flags);
1232 if (priv->cur_cmd_retcode) {
1233 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1234 priv->cur_cmd_retcode);
1235 priv->cur_cmd_retcode = 0;
1238 spin_unlock_irqrestore(&priv->driver_lock, flags);
1241 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1246 * @brief This function allocates the command buffer and link
1247 * it to command free queue.
1249 * @param priv A pointer to struct lbs_private structure
1252 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1257 struct cmd_ctrl_node *cmdarray;
1259 lbs_deb_enter(LBS_DEB_HOST);
1261 /* Allocate and initialize the command array */
1262 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1263 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1264 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1268 priv->cmd_array = cmdarray;
1270 /* Allocate and initialize each command buffer in the command array */
1271 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1272 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1273 if (!cmdarray[i].cmdbuf) {
1274 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1280 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1281 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1282 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1287 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1292 * @brief This function frees the command buffer.
1294 * @param priv A pointer to struct lbs_private structure
1297 int lbs_free_cmd_buffer(struct lbs_private *priv)
1299 struct cmd_ctrl_node *cmdarray;
1302 lbs_deb_enter(LBS_DEB_HOST);
1304 /* need to check if cmd array is allocated or not */
1305 if (priv->cmd_array == NULL) {
1306 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1310 cmdarray = priv->cmd_array;
1312 /* Release shared memory buffers */
1313 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1314 if (cmdarray[i].cmdbuf) {
1315 kfree(cmdarray[i].cmdbuf);
1316 cmdarray[i].cmdbuf = NULL;
1320 /* Release cmd_ctrl_node */
1321 if (priv->cmd_array) {
1322 kfree(priv->cmd_array);
1323 priv->cmd_array = NULL;
1327 lbs_deb_leave(LBS_DEB_HOST);
1332 * @brief This function gets a free command node if available in
1333 * command free queue.
1335 * @param priv A pointer to struct lbs_private structure
1336 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1338 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1340 struct cmd_ctrl_node *tempnode;
1341 unsigned long flags;
1343 lbs_deb_enter(LBS_DEB_HOST);
1348 spin_lock_irqsave(&priv->driver_lock, flags);
1350 if (!list_empty(&priv->cmdfreeq)) {
1351 tempnode = list_first_entry(&priv->cmdfreeq,
1352 struct cmd_ctrl_node, list);
1353 list_del(&tempnode->list);
1355 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1359 spin_unlock_irqrestore(&priv->driver_lock, flags);
1361 lbs_deb_leave(LBS_DEB_HOST);
1366 * @brief This function executes next command in command
1367 * pending queue. It will put firmware back to PS mode
1370 * @param priv A pointer to struct lbs_private structure
1373 int lbs_execute_next_command(struct lbs_private *priv)
1375 struct cmd_ctrl_node *cmdnode = NULL;
1376 struct cmd_header *cmd;
1377 unsigned long flags;
1380 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1381 * only caller to us is lbs_thread() and we get even when a
1382 * data packet is received */
1383 lbs_deb_enter(LBS_DEB_THREAD);
1385 spin_lock_irqsave(&priv->driver_lock, flags);
1387 if (priv->cur_cmd) {
1388 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1389 spin_unlock_irqrestore(&priv->driver_lock, flags);
1394 if (!list_empty(&priv->cmdpendingq)) {
1395 cmdnode = list_first_entry(&priv->cmdpendingq,
1396 struct cmd_ctrl_node, list);
1399 spin_unlock_irqrestore(&priv->driver_lock, flags);
1402 cmd = cmdnode->cmdbuf;
1404 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1405 if ((priv->psstate == PS_STATE_SLEEP) ||
1406 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1408 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1409 le16_to_cpu(cmd->command),
1414 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1415 "0x%04x in psstate %d\n",
1416 le16_to_cpu(cmd->command), priv->psstate);
1417 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1419 * 1. Non-PS command:
1420 * Queue it. set needtowakeup to TRUE if current state
1421 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1422 * 2. PS command but not Exit_PS:
1424 * 3. PS command Exit_PS:
1425 * Set needtowakeup to TRUE if current state is SLEEP,
1426 * otherwise send this command down to firmware
1429 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1430 /* Prepare to send Exit PS,
1431 * this non PS command will be sent later */
1432 if ((priv->psstate == PS_STATE_SLEEP)
1433 || (priv->psstate == PS_STATE_PRE_SLEEP)
1435 /* w/ new scheme, it will not reach here.
1436 since it is blocked in main_thread. */
1437 priv->needtowakeup = 1;
1439 lbs_ps_wakeup(priv, 0);
1445 * PS command. Ignore it if it is not Exit_PS.
1446 * otherwise send it down immediately.
1448 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1451 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1454 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1456 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1457 list_del(&cmdnode->list);
1458 spin_lock_irqsave(&priv->driver_lock, flags);
1459 lbs_complete_command(priv, cmdnode, 0);
1460 spin_unlock_irqrestore(&priv->driver_lock, flags);
1466 if ((priv->psstate == PS_STATE_SLEEP) ||
1467 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1469 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1470 list_del(&cmdnode->list);
1471 spin_lock_irqsave(&priv->driver_lock, flags);
1472 lbs_complete_command(priv, cmdnode, 0);
1473 spin_unlock_irqrestore(&priv->driver_lock, flags);
1474 priv->needtowakeup = 1;
1481 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1484 list_del(&cmdnode->list);
1485 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1486 le16_to_cpu(cmd->command));
1487 lbs_submit_command(priv, cmdnode);
1490 * check if in power save mode, if yes, put the device back
1493 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1494 (priv->psstate == PS_STATE_FULL_POWER) &&
1495 ((priv->connect_status == LBS_CONNECTED) ||
1496 (priv->mesh_connect_status == LBS_CONNECTED))) {
1497 if (priv->secinfo.WPAenabled ||
1498 priv->secinfo.WPA2enabled) {
1499 /* check for valid WPA group keys */
1500 if (priv->wpa_mcast_key.len ||
1501 priv->wpa_unicast_key.len) {
1503 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1504 " go back to PS_SLEEP");
1505 lbs_ps_sleep(priv, 0);
1509 "EXEC_NEXT_CMD: cmdpendingq empty, "
1510 "go back to PS_SLEEP");
1511 lbs_ps_sleep(priv, 0);
1518 lbs_deb_leave(LBS_DEB_THREAD);
1522 static void lbs_send_confirmsleep(struct lbs_private *priv)
1524 unsigned long flags;
1527 lbs_deb_enter(LBS_DEB_HOST);
1528 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
1529 sizeof(confirm_sleep));
1531 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
1532 sizeof(confirm_sleep));
1534 lbs_pr_alert("confirm_sleep failed\n");
1538 spin_lock_irqsave(&priv->driver_lock, flags);
1540 /* We don't get a response on the sleep-confirmation */
1541 priv->dnld_sent = DNLD_RES_RECEIVED;
1543 /* If nothing to do, go back to sleep (?) */
1544 if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
1545 priv->psstate = PS_STATE_SLEEP;
1547 spin_unlock_irqrestore(&priv->driver_lock, flags);
1550 lbs_deb_leave(LBS_DEB_HOST);
1553 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1555 lbs_deb_enter(LBS_DEB_HOST);
1558 * PS is currently supported only in Infrastructure mode
1559 * Remove this check if it is to be supported in IBSS mode also
1562 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1563 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1565 lbs_deb_leave(LBS_DEB_HOST);
1569 * @brief This function sends Exit_PS command to firmware.
1571 * @param priv A pointer to struct lbs_private structure
1572 * @param wait_option wait response or not
1575 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1579 lbs_deb_enter(LBS_DEB_HOST);
1581 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1583 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1585 wait_option, 0, &Localpsmode);
1587 lbs_deb_leave(LBS_DEB_HOST);
1591 * @brief This function checks condition and prepares to
1592 * send sleep confirm command to firmware if ok.
1594 * @param priv A pointer to struct lbs_private structure
1595 * @param psmode Power Saving mode
1598 void lbs_ps_confirm_sleep(struct lbs_private *priv)
1600 unsigned long flags =0;
1603 lbs_deb_enter(LBS_DEB_HOST);
1605 spin_lock_irqsave(&priv->driver_lock, flags);
1606 if (priv->dnld_sent) {
1608 lbs_deb_host("dnld_sent was set\n");
1611 /* In-progress command? */
1612 if (priv->cur_cmd) {
1614 lbs_deb_host("cur_cmd was set\n");
1617 /* Pending events or command responses? */
1618 if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
1620 lbs_deb_host("pending events or command responses\n");
1622 spin_unlock_irqrestore(&priv->driver_lock, flags);
1625 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1626 lbs_send_confirmsleep(priv);
1628 lbs_deb_host("sleep confirm has been delayed\n");
1631 lbs_deb_leave(LBS_DEB_HOST);
1636 * @brief Configures the transmission power control functionality.
1638 * @param priv A pointer to struct lbs_private structure
1639 * @param enable Transmission power control enable
1640 * @param p0 Power level when link quality is good (dBm).
1641 * @param p1 Power level when link quality is fair (dBm).
1642 * @param p2 Power level when link quality is poor (dBm).
1643 * @param usesnr Use Signal to Noise Ratio in TPC
1645 * @return 0 on success
1647 int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
1648 int8_t p2, int usesnr)
1650 struct cmd_ds_802_11_tpc_cfg cmd;
1653 memset(&cmd, 0, sizeof(cmd));
1654 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1655 cmd.action = cpu_to_le16(CMD_ACT_SET);
1656 cmd.enable = !!enable;
1657 cmd.usesnr = !!usesnr;
1662 ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd);
1668 * @brief Configures the power adaptation settings.
1670 * @param priv A pointer to struct lbs_private structure
1671 * @param enable Power adaptation enable
1672 * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1673 * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1674 * @param p2 Power level for 48 and 54 Mbps (dBm).
1676 * @return 0 on Success
1679 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
1680 int8_t p1, int8_t p2)
1682 struct cmd_ds_802_11_pa_cfg cmd;
1685 memset(&cmd, 0, sizeof(cmd));
1686 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1687 cmd.action = cpu_to_le16(CMD_ACT_SET);
1688 cmd.enable = !!enable;
1693 ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd);
1699 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
1700 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
1701 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1702 unsigned long callback_arg)
1704 struct cmd_ctrl_node *cmdnode;
1706 lbs_deb_enter(LBS_DEB_HOST);
1708 if (priv->surpriseremoved) {
1709 lbs_deb_host("PREP_CMD: card removed\n");
1710 cmdnode = ERR_PTR(-ENOENT);
1714 if (!lbs_is_cmd_allowed(priv)) {
1715 cmdnode = ERR_PTR(-EBUSY);
1719 cmdnode = lbs_get_cmd_ctrl_node(priv);
1720 if (cmdnode == NULL) {
1721 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1723 /* Wake up main thread to execute next command */
1724 wake_up_interruptible(&priv->waitq);
1725 cmdnode = ERR_PTR(-ENOBUFS);
1729 cmdnode->callback = callback;
1730 cmdnode->callback_arg = callback_arg;
1732 /* Copy the incoming command to the buffer */
1733 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
1735 /* Set sequence number, clean result, move to buffer */
1737 cmdnode->cmdbuf->command = cpu_to_le16(command);
1738 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
1739 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
1740 cmdnode->cmdbuf->result = 0;
1742 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
1744 cmdnode->cmdwaitqwoken = 0;
1745 lbs_queue_cmd(priv, cmdnode);
1746 wake_up_interruptible(&priv->waitq);
1749 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
1753 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
1754 struct cmd_header *in_cmd, int in_cmd_size)
1756 lbs_deb_enter(LBS_DEB_CMD);
1757 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
1758 lbs_cmd_async_callback, 0);
1759 lbs_deb_leave(LBS_DEB_CMD);
1762 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
1763 struct cmd_header *in_cmd, int in_cmd_size,
1764 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1765 unsigned long callback_arg)
1767 struct cmd_ctrl_node *cmdnode;
1768 unsigned long flags;
1771 lbs_deb_enter(LBS_DEB_HOST);
1773 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
1774 callback, callback_arg);
1775 if (IS_ERR(cmdnode)) {
1776 ret = PTR_ERR(cmdnode);
1781 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
1783 spin_lock_irqsave(&priv->driver_lock, flags);
1784 ret = cmdnode->result;
1786 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
1789 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1790 spin_unlock_irqrestore(&priv->driver_lock, flags);
1793 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1796 EXPORT_SYMBOL_GPL(__lbs_cmd);