2 * This file is part of wl1271
4 * Copyright (C) 2009-2010 Nokia Corporation
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 #include <linux/module.h>
25 #include <linux/platform_device.h>
26 #include <linux/spi/spi.h>
27 #include <linux/etherdevice.h>
28 #include <linux/ieee80211.h>
29 #include <linux/slab.h>
35 #include "wl12xx_80211.h"
41 #define WL1271_CMD_FAST_POLL_COUNT 50
42 #define WL1271_WAIT_EVENT_FAST_POLL_COUNT 20
45 * send command to firmware
49 * @buf: buffer containing the command, must work with dma
50 * @len: length of the buffer
51 * return the cmd status code on success.
53 static int __wlcore_cmd_send(struct wl1271 *wl, u16 id, void *buf,
54 size_t len, size_t res_len)
56 struct wl1271_cmd_header *cmd;
57 unsigned long timeout;
63 if (unlikely(wl->state == WLCORE_STATE_RESTARTING &&
64 id != CMD_STOP_FWLOGGER))
68 cmd->id = cpu_to_le16(id);
71 WARN_ON(len % 4 != 0);
72 WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
74 ret = wlcore_write(wl, wl->cmd_box_addr, buf, len, false);
79 * TODO: we just need this because one bit is in a different
80 * place. Is there any better way?
82 ret = wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len);
86 timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
88 ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
92 while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
93 if (time_after(jiffies, timeout)) {
94 wl1271_error("command complete timeout");
99 if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
104 ret = wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR, &intr);
109 /* read back the status code of the command */
111 res_len = sizeof(struct wl1271_cmd_header);
113 ret = wlcore_read(wl, wl->cmd_box_addr, cmd, res_len, false);
117 status = le16_to_cpu(cmd->status);
119 ret = wlcore_write_reg(wl, REG_INTERRUPT_ACK,
120 WL1271_ACX_INTR_CMD_COMPLETE);
128 * send command to fw and return cmd status on success
129 * valid_rets contains a bitmap of allowed error codes
131 int wlcore_cmd_send_failsafe(struct wl1271 *wl, u16 id, void *buf, size_t len,
132 size_t res_len, unsigned long valid_rets)
134 int ret = __wlcore_cmd_send(wl, id, buf, len, res_len);
139 /* success is always a valid status */
140 valid_rets |= BIT(CMD_STATUS_SUCCESS);
142 if (ret >= MAX_COMMAND_STATUS ||
143 !test_bit(ret, &valid_rets)) {
144 wl1271_error("command execute failure %d", ret);
150 wl12xx_queue_recovery_work(wl);
153 EXPORT_SYMBOL_GPL(wl1271_cmd_send);
156 * wrapper for wlcore_cmd_send that accept only CMD_STATUS_SUCCESS
157 * return 0 on success.
159 int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
162 int ret = wlcore_cmd_send_failsafe(wl, id, buf, len, res_len, 0);
170 * Poll the mailbox event field until any of the bits in the mask is set or a
171 * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
173 int wlcore_cmd_wait_for_event_or_timeout(struct wl1271 *wl,
174 u32 mask, bool *timeout)
178 unsigned long timeout_time;
184 events_vector = kmalloc(sizeof(*events_vector), GFP_KERNEL | GFP_DMA);
188 timeout_time = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
191 if (time_after(jiffies, timeout_time)) {
192 wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
199 if (poll_count < WL1271_WAIT_EVENT_FAST_POLL_COUNT)
200 usleep_range(50, 51);
202 usleep_range(1000, 5000);
204 /* read from both event fields */
205 ret = wlcore_read(wl, wl->mbox_ptr[0], events_vector,
206 sizeof(*events_vector), false);
210 event = *events_vector & mask;
212 ret = wlcore_read(wl, wl->mbox_ptr[1], events_vector,
213 sizeof(*events_vector), false);
217 event |= *events_vector & mask;
221 kfree(events_vector);
224 EXPORT_SYMBOL_GPL(wlcore_cmd_wait_for_event_or_timeout);
226 int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type,
229 struct wl12xx_cmd_role_enable *cmd;
232 wl1271_debug(DEBUG_CMD, "cmd role enable");
234 if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID))
237 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
244 cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES);
245 if (cmd->role_id >= WL12XX_MAX_ROLES) {
250 memcpy(cmd->mac_address, addr, ETH_ALEN);
251 cmd->role_type = role_type;
253 ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0);
255 wl1271_error("failed to initiate cmd role enable");
259 __set_bit(cmd->role_id, wl->roles_map);
260 *role_id = cmd->role_id;
269 int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id)
271 struct wl12xx_cmd_role_disable *cmd;
274 wl1271_debug(DEBUG_CMD, "cmd role disable");
276 if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID))
279 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
284 cmd->role_id = *role_id;
286 ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0);
288 wl1271_error("failed to initiate cmd role disable");
292 __clear_bit(*role_id, wl->roles_map);
293 *role_id = WL12XX_INVALID_ROLE_ID;
302 static int wlcore_get_new_session_id(struct wl1271 *wl, u8 hlid)
304 if (wl->session_ids[hlid] >= SESSION_COUNTER_MAX)
305 wl->session_ids[hlid] = 0;
307 wl->session_ids[hlid]++;
309 return wl->session_ids[hlid];
312 int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
315 u8 link = find_first_zero_bit(wl->links_map, wl->num_links);
316 if (link >= wl->num_links)
319 wl->session_ids[link] = wlcore_get_new_session_id(wl, link);
321 /* these bits are used by op_tx */
322 spin_lock_irqsave(&wl->wl_lock, flags);
323 __set_bit(link, wl->links_map);
324 __set_bit(link, wlvif->links_map);
325 spin_unlock_irqrestore(&wl->wl_lock, flags);
328 * take the last "freed packets" value from the current FW status.
329 * on recovery, we might not have fw_status yet, and
330 * tx_lnk_free_pkts will be NULL. check for it.
332 if (wl->fw_status->counters.tx_lnk_free_pkts)
333 wl->links[link].prev_freed_pkts =
334 wl->fw_status->counters.tx_lnk_free_pkts[link];
335 wl->links[link].wlvif = wlvif;
338 * Take saved value for total freed packets from wlvif, in case this is
341 if (wlvif->bss_type != BSS_TYPE_AP_BSS)
342 wl->links[link].total_freed_pkts = wlvif->total_freed_pkts;
346 wl->active_link_count++;
350 void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
354 if (*hlid == WL12XX_INVALID_LINK_ID)
357 /* these bits are used by op_tx */
358 spin_lock_irqsave(&wl->wl_lock, flags);
359 __clear_bit(*hlid, wl->links_map);
360 __clear_bit(*hlid, wlvif->links_map);
361 spin_unlock_irqrestore(&wl->wl_lock, flags);
363 wl->links[*hlid].allocated_pkts = 0;
364 wl->links[*hlid].prev_freed_pkts = 0;
365 wl->links[*hlid].ba_bitmap = 0;
366 memset(wl->links[*hlid].addr, 0, ETH_ALEN);
369 * At this point op_tx() will not add more packets to the queues. We
372 wl1271_tx_reset_link_queues(wl, *hlid);
373 wl->links[*hlid].wlvif = NULL;
375 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
376 (wlvif->bss_type == BSS_TYPE_AP_BSS &&
377 *hlid == wlvif->ap.bcast_hlid)) {
379 * save the total freed packets in the wlvif, in case this is
380 * recovery or suspend
382 wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts;
385 * increment the initial seq number on recovery to account for
386 * transmitted packets that we haven't yet got in the FW status
388 if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags))
389 wlvif->total_freed_pkts +=
390 WL1271_TX_SQN_POST_RECOVERY_PADDING;
393 wl->links[*hlid].total_freed_pkts = 0;
395 *hlid = WL12XX_INVALID_LINK_ID;
396 wl->active_link_count--;
397 WARN_ON_ONCE(wl->active_link_count < 0);
400 static u8 wlcore_get_native_channel_type(u8 nl_channel_type)
402 switch (nl_channel_type) {
403 case NL80211_CHAN_NO_HT:
404 return WLCORE_CHAN_NO_HT;
405 case NL80211_CHAN_HT20:
406 return WLCORE_CHAN_HT20;
407 case NL80211_CHAN_HT40MINUS:
408 return WLCORE_CHAN_HT40MINUS;
409 case NL80211_CHAN_HT40PLUS:
410 return WLCORE_CHAN_HT40PLUS;
413 return WLCORE_CHAN_NO_HT;
417 static int wl12xx_cmd_role_start_dev(struct wl1271 *wl,
418 struct wl12xx_vif *wlvif,
419 enum ieee80211_band band,
422 struct wl12xx_cmd_role_start *cmd;
425 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
431 wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id);
433 cmd->role_id = wlvif->dev_role_id;
434 if (band == IEEE80211_BAND_5GHZ)
435 cmd->band = WLCORE_BAND_5GHZ;
436 cmd->channel = channel;
438 if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) {
439 ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid);
443 cmd->device.hlid = wlvif->dev_hlid;
444 cmd->device.session = wl->session_ids[wlvif->dev_hlid];
446 wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d",
447 cmd->role_id, cmd->device.hlid, cmd->device.session);
449 ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
451 wl1271_error("failed to initiate cmd role enable");
458 /* clear links on error */
459 wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid);
468 static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl,
469 struct wl12xx_vif *wlvif)
471 struct wl12xx_cmd_role_stop *cmd;
474 if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID))
477 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
483 wl1271_debug(DEBUG_CMD, "cmd role stop dev");
485 cmd->role_id = wlvif->dev_role_id;
486 cmd->disc_type = DISCONNECT_IMMEDIATE;
487 cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
489 ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
491 wl1271_error("failed to initiate cmd role stop");
495 wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid);
504 int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif)
506 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
507 struct wl12xx_cmd_role_start *cmd;
511 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
517 wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id);
519 cmd->role_id = wlvif->role_id;
520 if (wlvif->band == IEEE80211_BAND_5GHZ)
521 cmd->band = WLCORE_BAND_5GHZ;
522 cmd->channel = wlvif->channel;
523 cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set);
524 cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int);
525 cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY;
526 cmd->sta.ssid_len = wlvif->ssid_len;
527 memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len);
528 memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN);
530 supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES |
531 wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
533 supported_rates &= ~CONF_TX_CCK_RATES;
535 cmd->sta.local_rates = cpu_to_le32(supported_rates);
537 cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type);
539 if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) {
540 ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid);
544 cmd->sta.hlid = wlvif->sta.hlid;
545 cmd->sta.session = wl->session_ids[wlvif->sta.hlid];
547 * We don't have the correct remote rates in this stage. The
548 * rates will be reconfigured later, after association, if the
549 * firmware supports ACX_PEER_CAP. Otherwise, there's nothing
550 * we can do, so use all supported_rates here.
552 cmd->sta.remote_rates = cpu_to_le32(supported_rates);
554 wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d "
555 "basic_rate_set: 0x%x, remote_rates: 0x%x",
556 wlvif->role_id, cmd->sta.hlid, cmd->sta.session,
557 wlvif->basic_rate_set, wlvif->rate_set);
559 ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
561 wl1271_error("failed to initiate cmd role start sta");
565 wlvif->sta.role_chan_type = wlvif->channel_type;
569 /* clear links on error. */
570 wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid);
579 /* use this function to stop ibss as well */
580 int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif)
582 struct wl12xx_cmd_role_stop *cmd;
585 if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID))
588 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
594 wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id);
596 cmd->role_id = wlvif->role_id;
597 cmd->disc_type = DISCONNECT_IMMEDIATE;
598 cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
600 ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
602 wl1271_error("failed to initiate cmd role stop sta");
606 wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid);
615 int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif)
617 struct wl12xx_cmd_role_start *cmd;
618 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
619 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
623 wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id);
625 /* trying to use hidden SSID with an old hostapd version */
626 if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) {
627 wl1271_error("got a null SSID from beacon/bss");
632 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
638 ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid);
642 ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid);
644 goto out_free_global;
646 /* use the previous security seq, if this is a recovery/resume */
647 wl->links[wlvif->ap.bcast_hlid].total_freed_pkts =
648 wlvif->total_freed_pkts;
650 cmd->role_id = wlvif->role_id;
651 cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
652 cmd->ap.bss_index = WL1271_AP_BSS_INDEX;
653 cmd->ap.global_hlid = wlvif->ap.global_hlid;
654 cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid;
655 cmd->ap.global_session_id = wl->session_ids[wlvif->ap.global_hlid];
656 cmd->ap.bcast_session_id = wl->session_ids[wlvif->ap.bcast_hlid];
657 cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set);
658 cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int);
659 cmd->ap.dtim_interval = bss_conf->dtim_period;
660 cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
661 /* FIXME: Change when adding DFS */
662 cmd->ap.reset_tsf = 1; /* By default reset AP TSF */
663 cmd->ap.wmm = wlvif->wmm_enabled;
664 cmd->channel = wlvif->channel;
665 cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type);
667 if (!bss_conf->hidden_ssid) {
668 /* take the SSID from the beacon for backward compatibility */
669 cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC;
670 cmd->ap.ssid_len = wlvif->ssid_len;
671 memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len);
673 cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN;
674 cmd->ap.ssid_len = bss_conf->ssid_len;
675 memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len);
678 supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES |
679 wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
681 supported_rates &= ~CONF_TX_CCK_RATES;
683 wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x",
686 cmd->ap.local_rates = cpu_to_le32(supported_rates);
688 switch (wlvif->band) {
689 case IEEE80211_BAND_2GHZ:
690 cmd->band = WLCORE_BAND_2_4GHZ;
692 case IEEE80211_BAND_5GHZ:
693 cmd->band = WLCORE_BAND_5GHZ;
696 wl1271_warning("ap start - unknown band: %d", (int)wlvif->band);
697 cmd->band = WLCORE_BAND_2_4GHZ;
701 ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
703 wl1271_error("failed to initiate cmd role start ap");
710 wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid);
713 wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid);
722 int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif)
724 struct wl12xx_cmd_role_stop *cmd;
727 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
733 wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id);
735 cmd->role_id = wlvif->role_id;
737 ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
739 wl1271_error("failed to initiate cmd role stop ap");
743 wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid);
744 wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid);
753 int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif)
755 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
756 struct wl12xx_cmd_role_start *cmd;
757 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
760 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
766 wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id);
768 cmd->role_id = wlvif->role_id;
769 if (wlvif->band == IEEE80211_BAND_5GHZ)
770 cmd->band = WLCORE_BAND_5GHZ;
771 cmd->channel = wlvif->channel;
772 cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set);
773 cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int);
774 cmd->ibss.dtim_interval = bss_conf->dtim_period;
775 cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY;
776 cmd->ibss.ssid_len = wlvif->ssid_len;
777 memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len);
778 memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN);
779 cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set);
781 if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) {
782 ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid);
786 cmd->ibss.hlid = wlvif->sta.hlid;
787 cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set);
789 wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d "
790 "basic_rate_set: 0x%x, remote_rates: 0x%x",
791 wlvif->role_id, cmd->sta.hlid, cmd->sta.session,
792 wlvif->basic_rate_set, wlvif->rate_set);
794 wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM",
795 vif->bss_conf.bssid);
797 ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
799 wl1271_error("failed to initiate cmd role enable");
806 /* clear links on error. */
807 wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid);
818 * send test command to firmware
821 * @buf: buffer containing the command, with all headers, must work with dma
822 * @len: length of the buffer
823 * @answer: is answer needed
825 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
830 wl1271_debug(DEBUG_CMD, "cmd test");
835 ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
838 wl1271_warning("TEST command failed");
844 EXPORT_SYMBOL_GPL(wl1271_cmd_test);
847 * read acx from firmware
851 * @buf: buffer for the response, including all headers, must work with dma
852 * @len: length of buf
854 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf,
855 size_t cmd_len, size_t res_len)
857 struct acx_header *acx = buf;
860 wl1271_debug(DEBUG_CMD, "cmd interrogate");
862 acx->id = cpu_to_le16(id);
864 /* response payload length, does not include any headers */
865 acx->len = cpu_to_le16(res_len - sizeof(*acx));
867 ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, cmd_len, res_len);
869 wl1271_error("INTERROGATE command failed");
875 * write acx value to firmware
879 * @buf: buffer containing acx, including all headers, must work with dma
880 * @len: length of buf
881 * @valid_rets: bitmap of valid cmd status codes (i.e. return values).
882 * return the cmd status on success.
884 int wlcore_cmd_configure_failsafe(struct wl1271 *wl, u16 id, void *buf,
885 size_t len, unsigned long valid_rets)
887 struct acx_header *acx = buf;
890 wl1271_debug(DEBUG_CMD, "cmd configure (%d)", id);
892 acx->id = cpu_to_le16(id);
894 /* payload length, does not include any headers */
895 acx->len = cpu_to_le16(len - sizeof(*acx));
897 ret = wlcore_cmd_send_failsafe(wl, CMD_CONFIGURE, acx, len, 0,
900 wl1271_warning("CONFIGURE command NOK");
908 * wrapper for wlcore_cmd_configure that accepts only success status.
909 * return 0 on success
911 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
913 int ret = wlcore_cmd_configure_failsafe(wl, id, buf, len, 0);
919 EXPORT_SYMBOL_GPL(wl1271_cmd_configure);
921 int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
923 struct cmd_enabledisable_path *cmd;
927 wl1271_debug(DEBUG_CMD, "cmd data path");
929 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
935 /* the channel here is only used for calibration, so hardcoded to 1 */
939 cmd_rx = CMD_ENABLE_RX;
940 cmd_tx = CMD_ENABLE_TX;
942 cmd_rx = CMD_DISABLE_RX;
943 cmd_tx = CMD_DISABLE_TX;
946 ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
948 wl1271_error("rx %s cmd for channel %d failed",
949 enable ? "start" : "stop", cmd->channel);
953 wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
954 enable ? "start" : "stop", cmd->channel);
956 ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
958 wl1271_error("tx %s cmd for channel %d failed",
959 enable ? "start" : "stop", cmd->channel);
963 wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
964 enable ? "start" : "stop", cmd->channel);
970 EXPORT_SYMBOL_GPL(wl1271_cmd_data_path);
972 int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,
973 u8 ps_mode, u16 auto_ps_timeout)
975 struct wl1271_cmd_ps_params *ps_params = NULL;
978 wl1271_debug(DEBUG_CMD, "cmd set ps mode");
980 ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
986 ps_params->role_id = wlvif->role_id;
987 ps_params->ps_mode = ps_mode;
988 ps_params->auto_ps_timeout = auto_ps_timeout;
990 ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
991 sizeof(*ps_params), 0);
993 wl1271_error("cmd set_ps_mode failed");
1002 int wl1271_cmd_template_set(struct wl1271 *wl, u8 role_id,
1003 u16 template_id, void *buf, size_t buf_len,
1004 int index, u32 rates)
1006 struct wl1271_cmd_template_set *cmd;
1009 wl1271_debug(DEBUG_CMD, "cmd template_set %d (role %d)",
1010 template_id, role_id);
1012 WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
1013 buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
1015 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1021 /* during initialization wlvif is NULL */
1022 cmd->role_id = role_id;
1023 cmd->len = cpu_to_le16(buf_len);
1024 cmd->template_type = template_id;
1025 cmd->enabled_rates = cpu_to_le32(rates);
1026 cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit;
1027 cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit;
1031 memcpy(cmd->template_data, buf, buf_len);
1033 ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
1035 wl1271_warning("cmd set_template failed: %d", ret);
1046 int wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1048 struct sk_buff *skb = NULL;
1054 if (wlvif->bss_type == BSS_TYPE_IBSS) {
1055 size = sizeof(struct wl12xx_null_data_template);
1058 skb = ieee80211_nullfunc_get(wl->hw,
1059 wl12xx_wlvif_to_vif(wlvif));
1066 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
1067 CMD_TEMPL_NULL_DATA, ptr, size, 0,
1073 wl1271_warning("cmd buld null data failed %d", ret);
1079 int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl,
1080 struct wl12xx_vif *wlvif)
1082 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
1083 struct sk_buff *skb = NULL;
1086 skb = ieee80211_nullfunc_get(wl->hw, vif);
1090 ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV,
1091 skb->data, skb->len,
1092 wlvif->sta.klv_template_id,
1098 wl1271_warning("cmd build klv null data failed %d", ret);
1104 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1107 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
1108 struct sk_buff *skb;
1111 skb = ieee80211_pspoll_get(wl->hw, vif);
1115 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
1116 CMD_TEMPL_PS_POLL, skb->data,
1117 skb->len, 0, wlvif->basic_rate_set);
1124 int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1125 u8 role_id, u8 band,
1126 const u8 *ssid, size_t ssid_len,
1127 const u8 *ie, size_t ie_len, bool sched_scan)
1129 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
1130 struct sk_buff *skb;
1133 u16 template_id_2_4 = wl->scan_templ_id_2_4;
1134 u16 template_id_5 = wl->scan_templ_id_5;
1136 wl1271_debug(DEBUG_SCAN, "build probe request band %d", band);
1138 skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len,
1145 memcpy(skb_put(skb, ie_len), ie, ie_len);
1148 (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL)) {
1149 template_id_2_4 = wl->sched_scan_templ_id_2_4;
1150 template_id_5 = wl->sched_scan_templ_id_5;
1153 rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
1154 if (band == IEEE80211_BAND_2GHZ)
1155 ret = wl1271_cmd_template_set(wl, role_id,
1157 skb->data, skb->len, 0, rate);
1159 ret = wl1271_cmd_template_set(wl, role_id,
1161 skb->data, skb->len, 0, rate);
1167 EXPORT_SYMBOL_GPL(wl12xx_cmd_build_probe_req);
1169 struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
1170 struct wl12xx_vif *wlvif,
1171 struct sk_buff *skb)
1173 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
1178 skb = ieee80211_ap_probereq_get(wl->hw, vif);
1182 wl1271_debug(DEBUG_SCAN, "set ap probe request template");
1184 rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]);
1185 if (wlvif->band == IEEE80211_BAND_2GHZ)
1186 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
1187 CMD_TEMPL_CFG_PROBE_REQ_2_4,
1188 skb->data, skb->len, 0, rate);
1190 ret = wl1271_cmd_template_set(wl, wlvif->role_id,
1191 CMD_TEMPL_CFG_PROBE_REQ_5,
1192 skb->data, skb->len, 0, rate);
1195 wl1271_error("Unable to set ap probe request template.");
1201 int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1205 struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
1206 struct sk_buff *skb;
1207 struct wl12xx_arp_rsp_template *tmpl;
1208 struct ieee80211_hdr_3addr *hdr;
1209 struct arphdr *arp_hdr;
1211 skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) +
1212 WL1271_EXTRA_SPACE_MAX);
1214 wl1271_error("failed to allocate buffer for arp rsp template");
1218 skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX);
1220 tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl));
1221 memset(tmpl, 0, sizeof(*tmpl));
1224 memcpy(tmpl->llc_hdr, rfc1042_header, sizeof(rfc1042_header));
1225 tmpl->llc_type = cpu_to_be16(ETH_P_ARP);
1228 arp_hdr = &tmpl->arp_hdr;
1229 arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
1230 arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
1231 arp_hdr->ar_hln = ETH_ALEN;
1232 arp_hdr->ar_pln = 4;
1233 arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
1236 memcpy(tmpl->sender_hw, vif->addr, ETH_ALEN);
1237 tmpl->sender_ip = wlvif->ip_addr;
1239 /* encryption space */
1240 switch (wlvif->encryption_type) {
1242 if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE)
1243 extra = WL1271_EXTRA_SPACE_TKIP;
1246 extra = WL1271_EXTRA_SPACE_AES;
1254 wl1271_warning("Unknown encryption type: %d",
1255 wlvif->encryption_type);
1261 u8 *space = skb_push(skb, extra);
1262 memset(space, 0, extra);
1265 /* QoS header - BE */
1267 memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16));
1269 /* mac80211 header */
1270 hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr));
1271 memset(hdr, 0, sizeof(*hdr));
1272 fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS;
1274 fc |= IEEE80211_STYPE_QOS_DATA;
1276 fc |= IEEE80211_STYPE_DATA;
1277 if (wlvif->encryption_type != KEY_NONE)
1278 fc |= IEEE80211_FCTL_PROTECTED;
1280 hdr->frame_control = cpu_to_le16(fc);
1281 memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN);
1282 memcpy(hdr->addr2, vif->addr, ETH_ALEN);
1283 memset(hdr->addr3, 0xff, ETH_ALEN);
1285 ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP,
1286 skb->data, skb->len, 0,
1293 int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif)
1295 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
1296 struct ieee80211_qos_hdr template;
1298 memset(&template, 0, sizeof(template));
1300 memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN);
1301 memcpy(template.addr2, vif->addr, ETH_ALEN);
1302 memcpy(template.addr3, vif->bss_conf.bssid, ETH_ALEN);
1304 template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1305 IEEE80211_STYPE_QOS_NULLFUNC |
1306 IEEE80211_FCTL_TODS);
1308 /* FIXME: not sure what priority to use here */
1309 template.qos_ctrl = cpu_to_le16(0);
1311 return wl1271_cmd_template_set(wl, wlvif->role_id,
1312 CMD_TEMPL_QOS_NULL_DATA, &template,
1313 sizeof(template), 0,
1317 int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid)
1319 struct wl1271_cmd_set_keys *cmd;
1322 wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
1324 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1332 cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1333 cmd->key_action = cpu_to_le16(KEY_SET_ID);
1334 cmd->key_type = KEY_WEP;
1336 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1338 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
1348 int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1349 u16 action, u8 id, u8 key_type,
1350 u8 key_size, const u8 *key, const u8 *addr,
1351 u32 tx_seq_32, u16 tx_seq_16)
1353 struct wl1271_cmd_set_keys *cmd;
1356 /* hlid might have already been deleted */
1357 if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)
1360 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1366 cmd->hlid = wlvif->sta.hlid;
1368 if (key_type == KEY_WEP)
1369 cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1370 else if (is_broadcast_ether_addr(addr))
1371 cmd->lid_key_type = BROADCAST_LID_TYPE;
1373 cmd->lid_key_type = UNICAST_LID_TYPE;
1375 cmd->key_action = cpu_to_le16(action);
1376 cmd->key_size = key_size;
1377 cmd->key_type = key_type;
1379 cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1380 cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1384 if (key_type == KEY_TKIP) {
1386 * We get the key in the following form:
1387 * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1388 * but the target is expecting:
1389 * TKIP - RX MIC - TX MIC
1391 memcpy(cmd->key, key, 16);
1392 memcpy(cmd->key + 16, key + 24, 8);
1393 memcpy(cmd->key + 24, key + 16, 8);
1396 memcpy(cmd->key, key, key_size);
1399 wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
1401 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1403 wl1271_warning("could not set keys");
1414 * TODO: merge with sta/ibss into 1 set_key function.
1415 * note there are slight diffs
1417 int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1418 u16 action, u8 id, u8 key_type,
1419 u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
1422 struct wl1271_cmd_set_keys *cmd;
1426 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1430 if (hlid == wlvif->ap.bcast_hlid) {
1431 if (key_type == KEY_WEP)
1432 lid_type = WEP_DEFAULT_LID_TYPE;
1434 lid_type = BROADCAST_LID_TYPE;
1436 lid_type = UNICAST_LID_TYPE;
1439 wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
1440 " hlid: %d", (int)action, (int)id, (int)lid_type,
1441 (int)key_type, (int)hlid);
1443 cmd->lid_key_type = lid_type;
1445 cmd->key_action = cpu_to_le16(action);
1446 cmd->key_size = key_size;
1447 cmd->key_type = key_type;
1449 cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1450 cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1452 if (key_type == KEY_TKIP) {
1454 * We get the key in the following form:
1455 * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1456 * but the target is expecting:
1457 * TKIP - RX MIC - TX MIC
1459 memcpy(cmd->key, key, 16);
1460 memcpy(cmd->key + 16, key + 24, 8);
1461 memcpy(cmd->key + 24, key + 16, 8);
1463 memcpy(cmd->key, key, key_size);
1466 wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd));
1468 ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1470 wl1271_warning("could not set ap keys");
1479 int wl12xx_cmd_set_peer_state(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1482 struct wl12xx_cmd_set_peer_state *cmd;
1485 wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid);
1487 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1494 cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
1496 /* wmm param is valid only for station role */
1497 if (wlvif->bss_type == BSS_TYPE_STA_BSS)
1498 cmd->wmm = wlvif->wmm_enabled;
1500 ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0);
1502 wl1271_error("failed to send set peer state command");
1513 int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1514 struct ieee80211_sta *sta, u8 hlid)
1516 struct wl12xx_cmd_add_peer *cmd;
1520 wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid);
1522 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1528 memcpy(cmd->addr, sta->addr, ETH_ALEN);
1529 cmd->bss_index = WL1271_AP_BSS_INDEX;
1530 cmd->aid = sta->aid;
1532 cmd->sp_len = sta->max_sp;
1533 cmd->wmm = sta->wme ? 1 : 0;
1534 cmd->session_id = wl->session_ids[hlid];
1535 cmd->role_id = wlvif->role_id;
1537 for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++)
1538 if (sta->wme && (sta->uapsd_queues & BIT(i)))
1539 cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] =
1540 WL1271_PSD_UPSD_TRIGGER;
1542 cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] =
1546 sta_rates = sta->supp_rates[wlvif->band];
1547 if (sta->ht_cap.ht_supported)
1549 (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) |
1550 (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET);
1552 cmd->supported_rates =
1553 cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates,
1556 wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x",
1557 cmd->supported_rates, sta->uapsd_queues);
1559 ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0);
1561 wl1271_error("failed to initiate cmd add peer");
1572 int wl12xx_cmd_remove_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1575 struct wl12xx_cmd_remove_peer *cmd;
1577 bool timeout = false;
1579 wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid);
1581 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1588 /* We never send a deauth, mac80211 is in charge of this */
1589 cmd->reason_opcode = 0;
1590 cmd->send_deauth_flag = 0;
1591 cmd->role_id = wlvif->role_id;
1593 ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0);
1595 wl1271_error("failed to initiate cmd remove peer");
1599 ret = wl->ops->wait_for_event(wl,
1600 WLCORE_EVENT_PEER_REMOVE_COMPLETE,
1604 * We are ok with a timeout here. The event is sometimes not sent
1605 * due to a firmware bug. In case of another error (like SDIO timeout)
1609 wl12xx_queue_recovery_work(wl);
1618 static int wlcore_get_reg_conf_ch_idx(enum ieee80211_band band, u16 ch)
1621 * map the given band/channel to the respective predefined
1622 * bit expected by the fw
1625 case IEEE80211_BAND_2GHZ:
1626 /* channels 1..14 are mapped to 0..13 */
1627 if (ch >= 1 && ch <= 14)
1630 case IEEE80211_BAND_5GHZ:
1633 /* channels 8,12,16 are mapped to 18,19,20 */
1634 return 18 + (ch-8)/4;
1636 /* channels 34,36..48 are mapped to 21..28 */
1637 return 21 + (ch-34)/2;
1639 /* channels 52,56..64 are mapped to 29..32 */
1640 return 29 + (ch-52)/4;
1642 /* channels 100,104..140 are mapped to 33..43 */
1643 return 33 + (ch-100)/4;
1645 /* channels 149,153..165 are mapped to 44..48 */
1646 return 44 + (ch-149)/4;
1655 wl1271_error("%s: unknown band/channel: %d/%d", __func__, band, ch);
1659 void wlcore_set_pending_regdomain_ch(struct wl1271 *wl, u16 channel,
1660 enum ieee80211_band band)
1664 if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
1667 ch_bit_idx = wlcore_get_reg_conf_ch_idx(band, channel);
1669 if (ch_bit_idx >= 0 && ch_bit_idx <= WL1271_MAX_CHANNELS)
1670 set_bit(ch_bit_idx, (long *)wl->reg_ch_conf_pending);
1673 int wlcore_cmd_regdomain_config_locked(struct wl1271 *wl)
1675 struct wl12xx_cmd_regdomain_dfs_config *cmd = NULL;
1676 int ret = 0, i, b, ch_bit_idx;
1677 struct ieee80211_channel *channel;
1678 u32 tmp_ch_bitmap[2];
1680 struct wiphy *wiphy = wl->hw->wiphy;
1681 struct ieee80211_supported_band *band;
1682 bool timeout = false;
1684 if (!(wl->quirks & WLCORE_QUIRK_REGDOMAIN_CONF))
1687 wl1271_debug(DEBUG_CMD, "cmd reg domain config");
1689 memset(tmp_ch_bitmap, 0, sizeof(tmp_ch_bitmap));
1691 for (b = IEEE80211_BAND_2GHZ; b <= IEEE80211_BAND_5GHZ; b++) {
1692 band = wiphy->bands[b];
1693 for (i = 0; i < band->n_channels; i++) {
1694 channel = &band->channels[i];
1695 ch = channel->hw_value;
1697 if (channel->flags & (IEEE80211_CHAN_DISABLED |
1698 IEEE80211_CHAN_RADAR |
1699 IEEE80211_CHAN_NO_IR))
1702 ch_bit_idx = wlcore_get_reg_conf_ch_idx(b, ch);
1706 set_bit(ch_bit_idx, (long *)tmp_ch_bitmap);
1710 tmp_ch_bitmap[0] |= wl->reg_ch_conf_pending[0];
1711 tmp_ch_bitmap[1] |= wl->reg_ch_conf_pending[1];
1713 if (!memcmp(tmp_ch_bitmap, wl->reg_ch_conf_last, sizeof(tmp_ch_bitmap)))
1716 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1722 cmd->ch_bit_map1 = cpu_to_le32(tmp_ch_bitmap[0]);
1723 cmd->ch_bit_map2 = cpu_to_le32(tmp_ch_bitmap[1]);
1725 wl1271_debug(DEBUG_CMD,
1726 "cmd reg domain bitmap1: 0x%08x, bitmap2: 0x%08x",
1727 cmd->ch_bit_map1, cmd->ch_bit_map2);
1729 ret = wl1271_cmd_send(wl, CMD_DFS_CHANNEL_CONFIG, cmd, sizeof(*cmd), 0);
1731 wl1271_error("failed to send reg domain dfs config");
1735 ret = wl->ops->wait_for_event(wl,
1736 WLCORE_EVENT_DFS_CONFIG_COMPLETE,
1738 if (ret < 0 || timeout) {
1739 wl1271_error("reg domain conf %serror",
1740 timeout ? "completion " : "");
1741 ret = timeout ? -ETIMEDOUT : ret;
1745 memcpy(wl->reg_ch_conf_last, tmp_ch_bitmap, sizeof(tmp_ch_bitmap));
1746 memset(wl->reg_ch_conf_pending, 0, sizeof(wl->reg_ch_conf_pending));
1753 int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
1755 struct wl12xx_cmd_config_fwlog *cmd;
1758 wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
1760 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1766 cmd->logger_mode = wl->conf.fwlog.mode;
1767 cmd->log_severity = wl->conf.fwlog.severity;
1768 cmd->timestamp = wl->conf.fwlog.timestamp;
1769 cmd->output = wl->conf.fwlog.output;
1770 cmd->threshold = wl->conf.fwlog.threshold;
1772 ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
1774 wl1271_error("failed to send config firmware logger command");
1785 int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
1787 struct wl12xx_cmd_start_fwlog *cmd;
1790 wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
1792 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1798 ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
1800 wl1271_error("failed to send start firmware logger command");
1811 int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
1813 struct wl12xx_cmd_stop_fwlog *cmd;
1816 wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
1818 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1824 ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
1826 wl1271_error("failed to send stop firmware logger command");
1837 static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1838 u8 role_id, enum ieee80211_band band, u8 channel)
1840 struct wl12xx_cmd_roc *cmd;
1843 wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", channel, role_id);
1845 if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID))
1848 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1854 cmd->role_id = role_id;
1855 cmd->channel = channel;
1857 case IEEE80211_BAND_2GHZ:
1858 cmd->band = WLCORE_BAND_2_4GHZ;
1860 case IEEE80211_BAND_5GHZ:
1861 cmd->band = WLCORE_BAND_5GHZ;
1864 wl1271_error("roc - unknown band: %d", (int)wlvif->band);
1870 ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0);
1872 wl1271_error("failed to send ROC command");
1883 static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id)
1885 struct wl12xx_cmd_croc *cmd;
1888 wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id);
1890 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1895 cmd->role_id = role_id;
1897 ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd,
1900 wl1271_error("failed to send ROC command");
1911 int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id,
1912 enum ieee80211_band band, u8 channel)
1916 if (WARN_ON(test_bit(role_id, wl->roc_map)))
1919 ret = wl12xx_cmd_roc(wl, wlvif, role_id, band, channel);
1923 __set_bit(role_id, wl->roc_map);
1928 int wl12xx_croc(struct wl1271 *wl, u8 role_id)
1932 if (WARN_ON(!test_bit(role_id, wl->roc_map)))
1935 ret = wl12xx_cmd_croc(wl, role_id);
1939 __clear_bit(role_id, wl->roc_map);
1942 * Rearm the tx watchdog when removing the last ROC. This prevents
1943 * recoveries due to just finished ROCs - when Tx hasn't yet had
1944 * a chance to get out.
1946 if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES)
1947 wl12xx_rearm_tx_watchdog_locked(wl);
1952 int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl, struct wl12xx_vif *wlvif)
1954 struct wl12xx_cmd_stop_channel_switch *cmd;
1957 wl1271_debug(DEBUG_ACX, "cmd stop channel switch");
1959 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1965 cmd->role_id = wlvif->role_id;
1967 ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0);
1969 wl1271_error("failed to stop channel switch command");
1980 /* start dev role and roc on its channel */
1981 int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif,
1982 enum ieee80211_band band, int channel)
1986 if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS ||
1987 wlvif->bss_type == BSS_TYPE_IBSS)))
1990 ret = wl12xx_cmd_role_enable(wl,
1991 wl12xx_wlvif_to_vif(wlvif)->addr,
1993 &wlvif->dev_role_id);
1997 ret = wl12xx_cmd_role_start_dev(wl, wlvif, band, channel);
2001 ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id, band, channel);
2008 wl12xx_cmd_role_stop_dev(wl, wlvif);
2010 wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id);
2015 /* croc dev hlid, and stop the role */
2016 int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif)
2020 if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS ||
2021 wlvif->bss_type == BSS_TYPE_IBSS)))
2024 /* flush all pending packets */
2025 ret = wlcore_tx_work_locked(wl);
2029 if (test_bit(wlvif->dev_role_id, wl->roc_map)) {
2030 ret = wl12xx_croc(wl, wlvif->dev_role_id);
2035 ret = wl12xx_cmd_role_stop_dev(wl, wlvif);
2039 ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id);