2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
6 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8 #include <linux/kfifo.h>
9 #include <linux/sched.h>
10 #include <linux/slab.h>
11 #include <linux/if_arp.h>
17 #define CAL_NF(nf) ((s32)(-(s32)(nf)))
18 #define CAL_RSSI(snr, nf) ((s32)((s32)(snr) + CAL_NF(nf)))
21 * lbs_cmd_copyback - Simple callback that copies response back into command
23 * @priv: A pointer to &struct lbs_private structure
24 * @extra: A pointer to the original command structure for which
25 * 'resp' is a response
26 * @resp: A pointer to the command response
28 * returns: 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 * lbs_cmd_async_callback - Simple callback that ignores the result.
44 * Use this if you just want to send a command to the hardware, but don't
45 * care for the result.
51 * returns: 0 for success
53 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
54 struct cmd_header *resp)
61 * is_command_allowed_in_ps - tests if a command is allowed in Power Save mode
63 * @cmd: the command ID
65 * returns: 1 if allowed, 0 if not allowed
67 static u8 is_command_allowed_in_ps(u16 cmd)
72 case CMD_802_11_HOST_SLEEP_CFG:
81 * lbs_update_hw_spec - Updates the hardware details like MAC address
82 * and regulatory region
84 * @priv: A pointer to &struct lbs_private structure
86 * returns: 0 on success, error on failure
88 int lbs_update_hw_spec(struct lbs_private *priv)
90 struct cmd_ds_get_hw_spec cmd;
94 lbs_deb_enter(LBS_DEB_CMD);
96 memset(&cmd, 0, sizeof(cmd));
97 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
98 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
99 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
103 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
105 /* The firmware release is in an interesting format: the patch
106 * level is in the most significant nibble ... so fix that: */
107 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
108 priv->fwrelease = (priv->fwrelease << 8) |
109 (priv->fwrelease >> 24 & 0xff);
111 /* Some firmware capabilities:
112 * CF card firmware 5.0.16p0: cap 0x00000303
113 * USB dongle firmware 5.110.17p2: cap 0x00000303
115 pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
117 priv->fwrelease >> 24 & 0xff,
118 priv->fwrelease >> 16 & 0xff,
119 priv->fwrelease >> 8 & 0xff,
120 priv->fwrelease & 0xff,
122 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
123 cmd.hwifversion, cmd.version);
125 /* Clamp region code to 8-bit since FW spec indicates that it should
126 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
127 * returns non-zero high 8 bits here.
129 * Firmware version 4.0.102 used in CF8381 has region code shifted. We
130 * need to check for this problem and handle it properly.
132 if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4)
133 priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF;
135 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
137 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
138 /* use the region code to search for the index */
139 if (priv->regioncode == lbs_region_code_to_index[i])
143 /* if it's unidentified region code, use the default (USA) */
144 if (i >= MRVDRV_MAX_REGION_CODE) {
145 priv->regioncode = 0x10;
146 pr_info("unidentified region code; using the default (USA)\n");
149 if (priv->current_addr[0] == 0xff)
150 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
152 if (!priv->copied_hwaddr) {
153 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
155 memcpy(priv->mesh_dev->dev_addr,
156 priv->current_addr, ETH_ALEN);
157 priv->copied_hwaddr = 1;
161 lbs_deb_leave(LBS_DEB_CMD);
165 static int lbs_ret_host_sleep_cfg(struct lbs_private *priv, unsigned long dummy,
166 struct cmd_header *resp)
168 lbs_deb_enter(LBS_DEB_CMD);
169 if (priv->is_host_sleep_activated) {
170 priv->is_host_sleep_configured = 0;
171 if (priv->psstate == PS_STATE_FULL_POWER) {
172 priv->is_host_sleep_activated = 0;
173 wake_up_interruptible(&priv->host_sleep_q);
176 priv->is_host_sleep_configured = 1;
178 lbs_deb_leave(LBS_DEB_CMD);
182 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
183 struct wol_config *p_wol_config)
185 struct cmd_ds_host_sleep cmd_config;
189 * Certain firmware versions do not support EHS_REMOVE_WAKEUP command
190 * and the card will return a failure. Since we need to be
191 * able to reset the mask, in those cases we set a 0 mask instead.
193 if (criteria == EHS_REMOVE_WAKEUP && !priv->ehs_remove_supported)
196 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
197 cmd_config.criteria = cpu_to_le32(criteria);
198 cmd_config.gpio = priv->wol_gpio;
199 cmd_config.gap = priv->wol_gap;
201 if (p_wol_config != NULL)
202 memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config,
203 sizeof(struct wol_config));
205 cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE;
207 ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config.hdr,
208 le16_to_cpu(cmd_config.hdr.size),
209 lbs_ret_host_sleep_cfg, 0);
212 memcpy((uint8_t *) p_wol_config,
213 (uint8_t *)&cmd_config.wol_conf,
214 sizeof(struct wol_config));
216 pr_info("HOST_SLEEP_CFG failed %d\n", ret);
221 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
224 * lbs_set_ps_mode - Sets the Power Save mode
226 * @priv: A pointer to &struct lbs_private structure
227 * @cmd_action: The Power Save operation (PS_MODE_ACTION_ENTER_PS or
228 * PS_MODE_ACTION_EXIT_PS)
229 * @block: Whether to block on a response or not
231 * returns: 0 on success, error on failure
233 int lbs_set_ps_mode(struct lbs_private *priv, u16 cmd_action, bool block)
235 struct cmd_ds_802_11_ps_mode cmd;
238 lbs_deb_enter(LBS_DEB_CMD);
240 memset(&cmd, 0, sizeof(cmd));
241 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
242 cmd.action = cpu_to_le16(cmd_action);
244 if (cmd_action == PS_MODE_ACTION_ENTER_PS) {
245 lbs_deb_cmd("PS_MODE: action ENTER_PS\n");
246 cmd.multipledtim = cpu_to_le16(1); /* Default DTIM multiple */
247 } else if (cmd_action == PS_MODE_ACTION_EXIT_PS) {
248 lbs_deb_cmd("PS_MODE: action EXIT_PS\n");
250 /* We don't handle CONFIRM_SLEEP here because it needs to
251 * be fastpathed to the firmware.
253 lbs_deb_cmd("PS_MODE: unknown action 0x%X\n", cmd_action);
259 ret = lbs_cmd_with_response(priv, CMD_802_11_PS_MODE, &cmd);
261 lbs_cmd_async(priv, CMD_802_11_PS_MODE, &cmd.hdr, sizeof (cmd));
264 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
268 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
269 struct sleep_params *sp)
271 struct cmd_ds_802_11_sleep_params cmd;
274 lbs_deb_enter(LBS_DEB_CMD);
276 if (cmd_action == CMD_ACT_GET) {
277 memset(&cmd, 0, sizeof(cmd));
279 cmd.error = cpu_to_le16(sp->sp_error);
280 cmd.offset = cpu_to_le16(sp->sp_offset);
281 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
282 cmd.calcontrol = sp->sp_calcontrol;
283 cmd.externalsleepclk = sp->sp_extsleepclk;
284 cmd.reserved = cpu_to_le16(sp->sp_reserved);
286 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
287 cmd.action = cpu_to_le16(cmd_action);
289 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
292 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
293 "calcontrol 0x%x extsleepclk 0x%x\n",
294 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
295 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
296 cmd.externalsleepclk);
298 sp->sp_error = le16_to_cpu(cmd.error);
299 sp->sp_offset = le16_to_cpu(cmd.offset);
300 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
301 sp->sp_calcontrol = cmd.calcontrol;
302 sp->sp_extsleepclk = cmd.externalsleepclk;
303 sp->sp_reserved = le16_to_cpu(cmd.reserved);
306 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
310 static int lbs_wait_for_ds_awake(struct lbs_private *priv)
314 lbs_deb_enter(LBS_DEB_CMD);
316 if (priv->is_deep_sleep) {
317 if (!wait_event_interruptible_timeout(priv->ds_awake_q,
318 !priv->is_deep_sleep, (10 * HZ))) {
319 pr_err("ds_awake_q: timer expired\n");
324 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
328 int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
332 lbs_deb_enter(LBS_DEB_CMD);
335 if (priv->is_deep_sleep != 1) {
336 lbs_deb_cmd("deep sleep: sleep\n");
337 BUG_ON(!priv->enter_deep_sleep);
338 ret = priv->enter_deep_sleep(priv);
340 netif_stop_queue(priv->dev);
341 netif_carrier_off(priv->dev);
344 pr_err("deep sleep: already enabled\n");
347 if (priv->is_deep_sleep) {
348 lbs_deb_cmd("deep sleep: wakeup\n");
349 BUG_ON(!priv->exit_deep_sleep);
350 ret = priv->exit_deep_sleep(priv);
352 ret = lbs_wait_for_ds_awake(priv);
354 pr_err("deep sleep: wakeup failed\n");
359 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
363 static int lbs_ret_host_sleep_activate(struct lbs_private *priv,
365 struct cmd_header *cmd)
367 lbs_deb_enter(LBS_DEB_FW);
368 priv->is_host_sleep_activated = 1;
369 wake_up_interruptible(&priv->host_sleep_q);
370 lbs_deb_leave(LBS_DEB_FW);
374 int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep)
376 struct cmd_header cmd;
378 uint32_t criteria = EHS_REMOVE_WAKEUP;
380 lbs_deb_enter(LBS_DEB_CMD);
383 if (priv->is_host_sleep_activated != 1) {
384 memset(&cmd, 0, sizeof(cmd));
385 ret = lbs_host_sleep_cfg(priv, priv->wol_criteria,
386 (struct wol_config *)NULL);
388 pr_info("Host sleep configuration failed: %d\n",
392 if (priv->psstate == PS_STATE_FULL_POWER) {
393 ret = __lbs_cmd(priv,
394 CMD_802_11_HOST_SLEEP_ACTIVATE,
397 lbs_ret_host_sleep_activate, 0);
399 pr_info("HOST_SLEEP_ACTIVATE failed: %d\n",
403 if (!wait_event_interruptible_timeout(
405 priv->is_host_sleep_activated,
407 pr_err("host_sleep_q: timer expired\n");
411 pr_err("host sleep: already enabled\n");
414 if (priv->is_host_sleep_activated)
415 ret = lbs_host_sleep_cfg(priv, criteria,
416 (struct wol_config *)NULL);
423 * lbs_set_snmp_mib - Set an SNMP MIB value
425 * @priv: A pointer to &struct lbs_private structure
426 * @oid: The OID to set in the firmware
427 * @val: Value to set the OID to
429 * returns: 0 on success, error on failure
431 int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
433 struct cmd_ds_802_11_snmp_mib cmd;
436 lbs_deb_enter(LBS_DEB_CMD);
438 memset(&cmd, 0, sizeof (cmd));
439 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
440 cmd.action = cpu_to_le16(CMD_ACT_SET);
441 cmd.oid = cpu_to_le16((u16) oid);
444 case SNMP_MIB_OID_BSS_TYPE:
445 cmd.bufsize = cpu_to_le16(sizeof(u8));
448 case SNMP_MIB_OID_11D_ENABLE:
449 case SNMP_MIB_OID_FRAG_THRESHOLD:
450 case SNMP_MIB_OID_RTS_THRESHOLD:
451 case SNMP_MIB_OID_SHORT_RETRY_LIMIT:
452 case SNMP_MIB_OID_LONG_RETRY_LIMIT:
453 cmd.bufsize = cpu_to_le16(sizeof(u16));
454 *((__le16 *)(&cmd.value)) = cpu_to_le16(val);
457 lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid);
462 lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n",
463 le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val);
465 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
468 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
473 * lbs_get_snmp_mib - Get an SNMP MIB value
475 * @priv: A pointer to &struct lbs_private structure
476 * @oid: The OID to retrieve from the firmware
477 * @out_val: Location for the returned value
479 * returns: 0 on success, error on failure
481 int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
483 struct cmd_ds_802_11_snmp_mib cmd;
486 lbs_deb_enter(LBS_DEB_CMD);
488 memset(&cmd, 0, sizeof (cmd));
489 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
490 cmd.action = cpu_to_le16(CMD_ACT_GET);
491 cmd.oid = cpu_to_le16(oid);
493 ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd);
497 switch (le16_to_cpu(cmd.bufsize)) {
499 *out_val = cmd.value[0];
502 *out_val = le16_to_cpu(*((__le16 *)(&cmd.value)));
505 lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n",
506 oid, le16_to_cpu(cmd.bufsize));
511 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
516 * lbs_get_tx_power - Get the min, max, and current TX power
518 * @priv: A pointer to &struct lbs_private structure
519 * @curlevel: Current power level in dBm
520 * @minlevel: Minimum supported power level in dBm (optional)
521 * @maxlevel: Maximum supported power level in dBm (optional)
523 * returns: 0 on success, error on failure
525 int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
528 struct cmd_ds_802_11_rf_tx_power cmd;
531 lbs_deb_enter(LBS_DEB_CMD);
533 memset(&cmd, 0, sizeof(cmd));
534 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
535 cmd.action = cpu_to_le16(CMD_ACT_GET);
537 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
539 *curlevel = le16_to_cpu(cmd.curlevel);
541 *minlevel = cmd.minlevel;
543 *maxlevel = cmd.maxlevel;
546 lbs_deb_leave(LBS_DEB_CMD);
551 * lbs_set_tx_power - Set the TX power
553 * @priv: A pointer to &struct lbs_private structure
554 * @dbm: The desired power level in dBm
556 * returns: 0 on success, error on failure
558 int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
560 struct cmd_ds_802_11_rf_tx_power cmd;
563 lbs_deb_enter(LBS_DEB_CMD);
565 memset(&cmd, 0, sizeof(cmd));
566 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
567 cmd.action = cpu_to_le16(CMD_ACT_SET);
568 cmd.curlevel = cpu_to_le16(dbm);
570 lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm);
572 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd);
574 lbs_deb_leave(LBS_DEB_CMD);
579 * lbs_set_monitor_mode - Enable or disable monitor mode
580 * (only implemented on OLPC usb8388 FW)
582 * @priv: A pointer to &struct lbs_private structure
583 * @enable: 1 to enable monitor mode, 0 to disable
585 * returns: 0 on success, error on failure
587 int lbs_set_monitor_mode(struct lbs_private *priv, int enable)
589 struct cmd_ds_802_11_monitor_mode cmd;
592 memset(&cmd, 0, sizeof(cmd));
593 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
594 cmd.action = cpu_to_le16(CMD_ACT_SET);
596 cmd.mode = cpu_to_le16(0x1);
598 lbs_deb_cmd("SET_MONITOR_MODE: %d\n", enable);
600 ret = lbs_cmd_with_response(priv, CMD_802_11_MONITOR_MODE, &cmd);
602 priv->dev->type = enable ? ARPHRD_IEEE80211_RADIOTAP :
606 lbs_deb_leave(LBS_DEB_CMD);
611 * lbs_get_channel - Get the radio channel
613 * @priv: A pointer to &struct lbs_private structure
615 * returns: The channel on success, error on failure
617 static int lbs_get_channel(struct lbs_private *priv)
619 struct cmd_ds_802_11_rf_channel cmd;
622 lbs_deb_enter(LBS_DEB_CMD);
624 memset(&cmd, 0, sizeof(cmd));
625 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
626 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
628 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
632 ret = le16_to_cpu(cmd.channel);
633 lbs_deb_cmd("current radio channel is %d\n", ret);
636 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
640 int lbs_update_channel(struct lbs_private *priv)
644 /* the channel in f/w could be out of sync; get the current channel */
645 lbs_deb_enter(LBS_DEB_ASSOC);
647 ret = lbs_get_channel(priv);
652 lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
657 * lbs_set_channel - Set the radio channel
659 * @priv: A pointer to &struct lbs_private structure
660 * @channel: The desired channel, or 0 to clear a locked channel
662 * returns: 0 on success, error on failure
664 int lbs_set_channel(struct lbs_private *priv, u8 channel)
666 struct cmd_ds_802_11_rf_channel cmd;
668 u8 old_channel = priv->channel;
672 lbs_deb_enter(LBS_DEB_CMD);
674 memset(&cmd, 0, sizeof(cmd));
675 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
676 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
677 cmd.channel = cpu_to_le16(channel);
679 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
683 priv->channel = (uint8_t) le16_to_cpu(cmd.channel);
684 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
688 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
693 * lbs_get_rssi - Get current RSSI and noise floor
695 * @priv: A pointer to &struct lbs_private structure
696 * @rssi: On successful return, signal level in mBm
697 * @nf: On successful return, Noise floor
699 * returns: The channel on success, error on failure
701 int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf)
703 struct cmd_ds_802_11_rssi cmd;
706 lbs_deb_enter(LBS_DEB_CMD);
708 BUG_ON(rssi == NULL);
711 memset(&cmd, 0, sizeof(cmd));
712 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
713 /* Average SNR over last 8 beacons */
714 cmd.n_or_snr = cpu_to_le16(8);
716 ret = lbs_cmd_with_response(priv, CMD_802_11_RSSI, &cmd);
718 *nf = CAL_NF(le16_to_cpu(cmd.nf));
719 *rssi = CAL_RSSI(le16_to_cpu(cmd.n_or_snr), le16_to_cpu(cmd.nf));
722 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
727 * lbs_set_11d_domain_info - Send regulatory and 802.11d domain information
730 * @priv: pointer to &struct lbs_private
731 * @request: cfg80211 regulatory request structure
732 * @bands: the device's supported bands and channels
734 * returns: 0 on success, error code on failure
736 int lbs_set_11d_domain_info(struct lbs_private *priv,
737 struct regulatory_request *request,
738 struct ieee80211_supported_band **bands)
740 struct cmd_ds_802_11d_domain_info cmd;
741 struct mrvl_ie_domain_param_set *domain = &cmd.domain;
742 struct ieee80211_country_ie_triplet *t;
743 enum ieee80211_band band;
744 struct ieee80211_channel *ch;
746 u8 num_parsed_chan = 0;
747 u8 first_channel = 0, next_chan = 0, max_pwr = 0;
752 lbs_deb_enter(LBS_DEB_11D);
754 memset(&cmd, 0, sizeof(cmd));
755 cmd.action = cpu_to_le16(CMD_ACT_SET);
757 lbs_deb_11d("Setting country code '%c%c'\n",
758 request->alpha2[0], request->alpha2[1]);
760 domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN);
762 /* Set country code */
763 domain->country_code[0] = request->alpha2[0];
764 domain->country_code[1] = request->alpha2[1];
765 domain->country_code[2] = ' ';
767 /* Now set up the channel triplets; firmware is somewhat picky here
768 * and doesn't validate channel numbers and spans; hence it would
769 * interpret a triplet of (36, 4, 20) as channels 36, 37, 38, 39. Since
770 * the last 3 aren't valid channels, the driver is responsible for
771 * splitting that up into 4 triplet pairs of (36, 1, 20) + (40, 1, 20)
775 (band < IEEE80211_NUM_BANDS) && (num_triplet < MAX_11D_TRIPLETS);
782 (i < bands[band]->n_channels) && (num_triplet < MAX_11D_TRIPLETS);
784 ch = &bands[band]->channels[i];
785 if (ch->flags & IEEE80211_CHAN_DISABLED)
790 next_chan = first_channel = (u32) ch->hw_value;
791 max_pwr = ch->max_power;
796 if ((ch->hw_value == next_chan + 1) &&
797 (ch->max_power == max_pwr)) {
798 /* Consolidate adjacent channels */
802 /* Add this triplet */
803 lbs_deb_11d("11D triplet (%d, %d, %d)\n",
804 first_channel, num_parsed_chan,
806 t = &domain->triplet[num_triplet];
807 t->chans.first_channel = first_channel;
808 t->chans.num_channels = num_parsed_chan;
809 t->chans.max_power = max_pwr;
816 /* Add last triplet */
817 lbs_deb_11d("11D triplet (%d, %d, %d)\n", first_channel,
818 num_parsed_chan, max_pwr);
819 t = &domain->triplet[num_triplet];
820 t->chans.first_channel = first_channel;
821 t->chans.num_channels = num_parsed_chan;
822 t->chans.max_power = max_pwr;
827 lbs_deb_11d("# triplets %d\n", num_triplet);
829 /* Set command header sizes */
830 triplet_size = num_triplet * sizeof(struct ieee80211_country_ie_triplet);
831 domain->header.len = cpu_to_le16(sizeof(domain->country_code) +
834 lbs_deb_hex(LBS_DEB_11D, "802.11D domain param set",
835 (u8 *) &cmd.domain.country_code,
836 le16_to_cpu(domain->header.len));
838 cmd.hdr.size = cpu_to_le16(sizeof(cmd.hdr) +
840 sizeof(cmd.domain.header) +
841 sizeof(cmd.domain.country_code) +
844 ret = lbs_cmd_with_response(priv, CMD_802_11D_DOMAIN_INFO, &cmd);
846 lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret);
851 * lbs_get_reg - Read a MAC, Baseband, or RF register
853 * @priv: pointer to &struct lbs_private
854 * @reg: register command, one of CMD_MAC_REG_ACCESS,
855 * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
856 * @offset: byte offset of the register to get
857 * @value: on success, the value of the register at 'offset'
859 * returns: 0 on success, error code on failure
861 int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value)
863 struct cmd_ds_reg_access cmd;
866 lbs_deb_enter(LBS_DEB_CMD);
868 BUG_ON(value == NULL);
870 memset(&cmd, 0, sizeof(cmd));
871 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
872 cmd.action = cpu_to_le16(CMD_ACT_GET);
874 if (reg != CMD_MAC_REG_ACCESS &&
875 reg != CMD_BBP_REG_ACCESS &&
876 reg != CMD_RF_REG_ACCESS) {
881 ret = lbs_cmd_with_response(priv, reg, &cmd);
883 if (reg == CMD_BBP_REG_ACCESS || reg == CMD_RF_REG_ACCESS)
884 *value = cmd.value.bbp_rf;
885 else if (reg == CMD_MAC_REG_ACCESS)
886 *value = le32_to_cpu(cmd.value.mac);
890 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
895 * lbs_set_reg - Write a MAC, Baseband, or RF register
897 * @priv: pointer to &struct lbs_private
898 * @reg: register command, one of CMD_MAC_REG_ACCESS,
899 * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
900 * @offset: byte offset of the register to set
901 * @value: the value to write to the register at 'offset'
903 * returns: 0 on success, error code on failure
905 int lbs_set_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 value)
907 struct cmd_ds_reg_access cmd;
910 lbs_deb_enter(LBS_DEB_CMD);
912 memset(&cmd, 0, sizeof(cmd));
913 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
914 cmd.action = cpu_to_le16(CMD_ACT_SET);
916 if (reg == CMD_BBP_REG_ACCESS || reg == CMD_RF_REG_ACCESS)
917 cmd.value.bbp_rf = (u8) (value & 0xFF);
918 else if (reg == CMD_MAC_REG_ACCESS)
919 cmd.value.mac = cpu_to_le32(value);
925 ret = lbs_cmd_with_response(priv, reg, &cmd);
928 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
932 static void lbs_queue_cmd(struct lbs_private *priv,
933 struct cmd_ctrl_node *cmdnode)
938 lbs_deb_enter(LBS_DEB_HOST);
941 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
944 if (!cmdnode->cmdbuf->size) {
945 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
950 /* Exit_PS command needs to be queued in the header always. */
951 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
952 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf;
954 if (psm->action == cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) {
955 if (priv->psstate != PS_STATE_FULL_POWER)
960 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_WAKEUP_CONFIRM)
963 spin_lock_irqsave(&priv->driver_lock, flags);
966 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
968 list_add(&cmdnode->list, &priv->cmdpendingq);
970 spin_unlock_irqrestore(&priv->driver_lock, flags);
972 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
973 le16_to_cpu(cmdnode->cmdbuf->command));
976 lbs_deb_leave(LBS_DEB_HOST);
979 static void lbs_submit_command(struct lbs_private *priv,
980 struct cmd_ctrl_node *cmdnode)
983 struct cmd_header *cmd;
989 lbs_deb_enter(LBS_DEB_HOST);
991 cmd = cmdnode->cmdbuf;
993 spin_lock_irqsave(&priv->driver_lock, flags);
994 priv->cur_cmd = cmdnode;
995 spin_unlock_irqrestore(&priv->driver_lock, flags);
997 cmdsize = le16_to_cpu(cmd->size);
998 command = le16_to_cpu(cmd->command);
1000 /* These commands take longer */
1001 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE)
1004 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
1005 command, le16_to_cpu(cmd->seqnum), cmdsize);
1006 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1008 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1011 pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1012 /* Let the timer kick in and retry, and potentially reset
1013 the whole thing if the condition persists */
1017 if (command == CMD_802_11_DEEP_SLEEP) {
1018 if (priv->is_auto_deep_sleep_enabled) {
1019 priv->wakeup_dev_required = 1;
1020 priv->dnld_sent = 0;
1022 priv->is_deep_sleep = 1;
1023 lbs_complete_command(priv, cmdnode, 0);
1025 /* Setup the timer after transmit command */
1026 mod_timer(&priv->command_timer, jiffies + timeo);
1029 lbs_deb_leave(LBS_DEB_HOST);
1033 * This function inserts command node to cmdfreeq
1034 * after cleans it. Requires priv->driver_lock held.
1036 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1037 struct cmd_ctrl_node *cmdnode)
1039 lbs_deb_enter(LBS_DEB_HOST);
1044 cmdnode->callback = NULL;
1045 cmdnode->callback_arg = 0;
1047 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1049 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1051 lbs_deb_leave(LBS_DEB_HOST);
1054 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1055 struct cmd_ctrl_node *ptempcmd)
1057 unsigned long flags;
1059 spin_lock_irqsave(&priv->driver_lock, flags);
1060 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1061 spin_unlock_irqrestore(&priv->driver_lock, flags);
1064 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1067 cmd->result = result;
1068 cmd->cmdwaitqwoken = 1;
1069 wake_up_interruptible(&cmd->cmdwait_q);
1071 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1072 __lbs_cleanup_and_insert_cmd(priv, cmd);
1073 priv->cur_cmd = NULL;
1076 int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on)
1078 struct cmd_ds_802_11_radio_control cmd;
1081 lbs_deb_enter(LBS_DEB_CMD);
1083 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1084 cmd.action = cpu_to_le16(CMD_ACT_SET);
1086 /* Only v8 and below support setting the preamble */
1087 if (priv->fwrelease < 0x09000000) {
1089 case RADIO_PREAMBLE_SHORT:
1090 case RADIO_PREAMBLE_AUTO:
1091 case RADIO_PREAMBLE_LONG:
1092 cmd.control = cpu_to_le16(preamble);
1100 cmd.control |= cpu_to_le16(0x1);
1102 cmd.control &= cpu_to_le16(~0x1);
1103 priv->txpower_cur = 0;
1106 lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n",
1107 radio_on ? "ON" : "OFF", preamble);
1109 priv->radio_on = radio_on;
1111 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1114 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1118 void lbs_set_mac_control(struct lbs_private *priv)
1120 struct cmd_ds_mac_control cmd;
1122 lbs_deb_enter(LBS_DEB_CMD);
1124 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1125 cmd.action = cpu_to_le16(priv->mac_control);
1128 lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd));
1130 lbs_deb_leave(LBS_DEB_CMD);
1134 * lbs_allocate_cmd_buffer - allocates the command buffer and links
1135 * it to command free queue
1137 * @priv: A pointer to &struct lbs_private structure
1139 * returns: 0 for success or -1 on error
1141 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1146 struct cmd_ctrl_node *cmdarray;
1148 lbs_deb_enter(LBS_DEB_HOST);
1150 /* Allocate and initialize the command array */
1151 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1152 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1153 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1157 priv->cmd_array = cmdarray;
1159 /* Allocate and initialize each command buffer in the command array */
1160 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1161 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1162 if (!cmdarray[i].cmdbuf) {
1163 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1169 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1170 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1171 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1176 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1181 * lbs_free_cmd_buffer - free the command buffer
1183 * @priv: A pointer to &struct lbs_private structure
1185 * returns: 0 for success
1187 int lbs_free_cmd_buffer(struct lbs_private *priv)
1189 struct cmd_ctrl_node *cmdarray;
1192 lbs_deb_enter(LBS_DEB_HOST);
1194 /* need to check if cmd array is allocated or not */
1195 if (priv->cmd_array == NULL) {
1196 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1200 cmdarray = priv->cmd_array;
1202 /* Release shared memory buffers */
1203 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1204 if (cmdarray[i].cmdbuf) {
1205 kfree(cmdarray[i].cmdbuf);
1206 cmdarray[i].cmdbuf = NULL;
1210 /* Release cmd_ctrl_node */
1211 if (priv->cmd_array) {
1212 kfree(priv->cmd_array);
1213 priv->cmd_array = NULL;
1217 lbs_deb_leave(LBS_DEB_HOST);
1222 * lbs_get_free_cmd_node - gets a free command node if available in
1223 * command free queue
1225 * @priv: A pointer to &struct lbs_private structure
1227 * returns: A pointer to &cmd_ctrl_node structure on success
1230 static struct cmd_ctrl_node *lbs_get_free_cmd_node(struct lbs_private *priv)
1232 struct cmd_ctrl_node *tempnode;
1233 unsigned long flags;
1235 lbs_deb_enter(LBS_DEB_HOST);
1240 spin_lock_irqsave(&priv->driver_lock, flags);
1242 if (!list_empty(&priv->cmdfreeq)) {
1243 tempnode = list_first_entry(&priv->cmdfreeq,
1244 struct cmd_ctrl_node, list);
1245 list_del(&tempnode->list);
1247 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1251 spin_unlock_irqrestore(&priv->driver_lock, flags);
1253 lbs_deb_leave(LBS_DEB_HOST);
1258 * lbs_execute_next_command - execute next command in command
1259 * pending queue. Will put firmware back to PS mode if applicable.
1261 * @priv: A pointer to &struct lbs_private structure
1263 * returns: 0 on success or -1 on error
1265 int lbs_execute_next_command(struct lbs_private *priv)
1267 struct cmd_ctrl_node *cmdnode = NULL;
1268 struct cmd_header *cmd;
1269 unsigned long flags;
1272 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1273 * only caller to us is lbs_thread() and we get even when a
1274 * data packet is received */
1275 lbs_deb_enter(LBS_DEB_THREAD);
1277 spin_lock_irqsave(&priv->driver_lock, flags);
1279 if (priv->cur_cmd) {
1280 pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1281 spin_unlock_irqrestore(&priv->driver_lock, flags);
1286 if (!list_empty(&priv->cmdpendingq)) {
1287 cmdnode = list_first_entry(&priv->cmdpendingq,
1288 struct cmd_ctrl_node, list);
1291 spin_unlock_irqrestore(&priv->driver_lock, flags);
1294 cmd = cmdnode->cmdbuf;
1296 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1297 if ((priv->psstate == PS_STATE_SLEEP) ||
1298 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1300 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1301 le16_to_cpu(cmd->command),
1306 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1307 "0x%04x in psstate %d\n",
1308 le16_to_cpu(cmd->command), priv->psstate);
1309 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1311 * 1. Non-PS command:
1312 * Queue it. set needtowakeup to TRUE if current state
1313 * is SLEEP, otherwise call send EXIT_PS.
1314 * 2. PS command but not EXIT_PS:
1316 * 3. PS command EXIT_PS:
1317 * Set needtowakeup to TRUE if current state is SLEEP,
1318 * otherwise send this command down to firmware
1321 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1322 /* Prepare to send Exit PS,
1323 * this non PS command will be sent later */
1324 if ((priv->psstate == PS_STATE_SLEEP)
1325 || (priv->psstate == PS_STATE_PRE_SLEEP)
1327 /* w/ new scheme, it will not reach here.
1328 since it is blocked in main_thread. */
1329 priv->needtowakeup = 1;
1331 lbs_set_ps_mode(priv,
1332 PS_MODE_ACTION_EXIT_PS,
1340 * PS command. Ignore it if it is not Exit_PS.
1341 * otherwise send it down immediately.
1343 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1346 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1349 cpu_to_le16(PS_MODE_ACTION_EXIT_PS)) {
1351 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1352 list_del(&cmdnode->list);
1353 spin_lock_irqsave(&priv->driver_lock, flags);
1354 lbs_complete_command(priv, cmdnode, 0);
1355 spin_unlock_irqrestore(&priv->driver_lock, flags);
1361 if ((priv->psstate == PS_STATE_SLEEP) ||
1362 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1364 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1365 list_del(&cmdnode->list);
1366 spin_lock_irqsave(&priv->driver_lock, flags);
1367 lbs_complete_command(priv, cmdnode, 0);
1368 spin_unlock_irqrestore(&priv->driver_lock, flags);
1369 priv->needtowakeup = 1;
1376 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1379 list_del(&cmdnode->list);
1380 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1381 le16_to_cpu(cmd->command));
1382 lbs_submit_command(priv, cmdnode);
1385 * check if in power save mode, if yes, put the device back
1390 * This was the old code for libertas+wext. Someone that
1391 * understands this beast should re-code it in a sane way.
1393 * I actually don't understand why this is related to WPA
1394 * and to connection status, shouldn't powering should be
1395 * independ of such things?
1397 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1398 (priv->psstate == PS_STATE_FULL_POWER) &&
1399 ((priv->connect_status == LBS_CONNECTED) ||
1400 lbs_mesh_connected(priv))) {
1401 if (priv->secinfo.WPAenabled ||
1402 priv->secinfo.WPA2enabled) {
1403 /* check for valid WPA group keys */
1404 if (priv->wpa_mcast_key.len ||
1405 priv->wpa_unicast_key.len) {
1407 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1408 " go back to PS_SLEEP");
1409 lbs_set_ps_mode(priv,
1410 PS_MODE_ACTION_ENTER_PS,
1415 "EXEC_NEXT_CMD: cmdpendingq empty, "
1416 "go back to PS_SLEEP");
1417 lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS,
1426 lbs_deb_leave(LBS_DEB_THREAD);
1430 static void lbs_send_confirmsleep(struct lbs_private *priv)
1432 unsigned long flags;
1435 lbs_deb_enter(LBS_DEB_HOST);
1436 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
1437 sizeof(confirm_sleep));
1439 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
1440 sizeof(confirm_sleep));
1442 pr_alert("confirm_sleep failed\n");
1446 spin_lock_irqsave(&priv->driver_lock, flags);
1448 /* We don't get a response on the sleep-confirmation */
1449 priv->dnld_sent = DNLD_RES_RECEIVED;
1451 if (priv->is_host_sleep_configured) {
1452 priv->is_host_sleep_activated = 1;
1453 wake_up_interruptible(&priv->host_sleep_q);
1456 /* If nothing to do, go back to sleep (?) */
1457 if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx])
1458 priv->psstate = PS_STATE_SLEEP;
1460 spin_unlock_irqrestore(&priv->driver_lock, flags);
1463 lbs_deb_leave(LBS_DEB_HOST);
1467 * lbs_ps_confirm_sleep - checks condition and prepares to
1468 * send sleep confirm command to firmware if ok
1470 * @priv: A pointer to &struct lbs_private structure
1474 void lbs_ps_confirm_sleep(struct lbs_private *priv)
1476 unsigned long flags =0;
1479 lbs_deb_enter(LBS_DEB_HOST);
1481 spin_lock_irqsave(&priv->driver_lock, flags);
1482 if (priv->dnld_sent) {
1484 lbs_deb_host("dnld_sent was set\n");
1487 /* In-progress command? */
1488 if (priv->cur_cmd) {
1490 lbs_deb_host("cur_cmd was set\n");
1493 /* Pending events or command responses? */
1494 if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
1496 lbs_deb_host("pending events or command responses\n");
1498 spin_unlock_irqrestore(&priv->driver_lock, flags);
1501 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1502 lbs_send_confirmsleep(priv);
1504 lbs_deb_host("sleep confirm has been delayed\n");
1507 lbs_deb_leave(LBS_DEB_HOST);
1512 * lbs_set_tpc_cfg - Configures the transmission power control functionality
1514 * @priv: A pointer to &struct lbs_private structure
1515 * @enable: Transmission power control enable
1516 * @p0: Power level when link quality is good (dBm).
1517 * @p1: Power level when link quality is fair (dBm).
1518 * @p2: Power level when link quality is poor (dBm).
1519 * @usesnr: Use Signal to Noise Ratio in TPC
1521 * returns: 0 on success
1523 int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
1524 int8_t p2, int usesnr)
1526 struct cmd_ds_802_11_tpc_cfg cmd;
1529 memset(&cmd, 0, sizeof(cmd));
1530 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1531 cmd.action = cpu_to_le16(CMD_ACT_SET);
1532 cmd.enable = !!enable;
1533 cmd.usesnr = !!usesnr;
1538 ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd);
1544 * lbs_set_power_adapt_cfg - Configures the power adaptation settings
1546 * @priv: A pointer to &struct lbs_private structure
1547 * @enable: Power adaptation enable
1548 * @p0: Power level for 1, 2, 5.5 and 11 Mbps (dBm).
1549 * @p1: Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
1550 * @p2: Power level for 48 and 54 Mbps (dBm).
1552 * returns: 0 on Success
1555 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
1556 int8_t p1, int8_t p2)
1558 struct cmd_ds_802_11_pa_cfg cmd;
1561 memset(&cmd, 0, sizeof(cmd));
1562 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1563 cmd.action = cpu_to_le16(CMD_ACT_SET);
1564 cmd.enable = !!enable;
1569 ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd);
1575 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
1576 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
1577 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1578 unsigned long callback_arg)
1580 struct cmd_ctrl_node *cmdnode;
1582 lbs_deb_enter(LBS_DEB_HOST);
1584 if (priv->surpriseremoved) {
1585 lbs_deb_host("PREP_CMD: card removed\n");
1586 cmdnode = ERR_PTR(-ENOENT);
1590 /* No commands are allowed in Deep Sleep until we toggle the GPIO
1591 * to wake up the card and it has signaled that it's ready.
1593 if (!priv->is_auto_deep_sleep_enabled) {
1594 if (priv->is_deep_sleep) {
1595 lbs_deb_cmd("command not allowed in deep sleep\n");
1596 cmdnode = ERR_PTR(-EBUSY);
1601 cmdnode = lbs_get_free_cmd_node(priv);
1602 if (cmdnode == NULL) {
1603 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1605 /* Wake up main thread to execute next command */
1606 wake_up_interruptible(&priv->waitq);
1607 cmdnode = ERR_PTR(-ENOBUFS);
1611 cmdnode->callback = callback;
1612 cmdnode->callback_arg = callback_arg;
1614 /* Copy the incoming command to the buffer */
1615 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
1617 /* Set sequence number, clean result, move to buffer */
1619 cmdnode->cmdbuf->command = cpu_to_le16(command);
1620 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
1621 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
1622 cmdnode->cmdbuf->result = 0;
1624 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
1626 cmdnode->cmdwaitqwoken = 0;
1627 lbs_queue_cmd(priv, cmdnode);
1628 wake_up_interruptible(&priv->waitq);
1631 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
1635 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
1636 struct cmd_header *in_cmd, int in_cmd_size)
1638 lbs_deb_enter(LBS_DEB_CMD);
1639 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
1640 lbs_cmd_async_callback, 0);
1641 lbs_deb_leave(LBS_DEB_CMD);
1644 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
1645 struct cmd_header *in_cmd, int in_cmd_size,
1646 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1647 unsigned long callback_arg)
1649 struct cmd_ctrl_node *cmdnode;
1650 unsigned long flags;
1653 lbs_deb_enter(LBS_DEB_HOST);
1655 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
1656 callback, callback_arg);
1657 if (IS_ERR(cmdnode)) {
1658 ret = PTR_ERR(cmdnode);
1663 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
1665 spin_lock_irqsave(&priv->driver_lock, flags);
1666 ret = cmdnode->result;
1668 pr_info("PREP_CMD: command 0x%04x failed: %d\n", command, ret);
1670 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1671 spin_unlock_irqrestore(&priv->driver_lock, flags);
1674 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1677 EXPORT_SYMBOL_GPL(__lbs_cmd);