2 * Copyright (c) 2012-2016 Qualcomm Atheros, Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/moduleparam.h>
18 #include <linux/etherdevice.h>
19 #include <linux/if_arp.h>
26 static uint max_assoc_sta = WIL6210_MAX_CID;
27 module_param(max_assoc_sta, uint, S_IRUGO | S_IWUSR);
28 MODULE_PARM_DESC(max_assoc_sta, " Max number of stations associated to the AP");
30 int agg_wsize; /* = 0; */
31 module_param(agg_wsize, int, S_IRUGO | S_IWUSR);
32 MODULE_PARM_DESC(agg_wsize, " Window size for Tx Block Ack after connect;"
33 " 0 - use default; < 0 - don't auto-establish");
35 u8 led_id = WIL_LED_INVALID_ID;
36 module_param(led_id, byte, S_IRUGO);
37 MODULE_PARM_DESC(led_id,
38 " 60G device led enablement. Set the led ID (0-2) to enable");
41 * WMI event receiving - theory of operations
43 * When firmware about to report WMI event, it fills memory area
44 * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
45 * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
47 * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
48 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
49 * and handles events within the @wmi_event_worker. Every event get detached
50 * from list, processed and deleted.
52 * Purpose for this mechanism is to release IRQ thread; otherwise,
53 * if WMI event handling involves another WMI command flow, this 2-nd flow
54 * won't be completed because of blocked IRQ thread.
58 * Addressing - theory of operations
60 * There are several buses present on the WIL6210 card.
61 * Same memory areas are visible at different address on
62 * the different busses. There are 3 main bus masters:
64 * - User CPU (firmware)
67 * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
68 * AHB addresses starting from 0x880000
70 * Internally, firmware uses addresses that allows faster access but
71 * are invisible from the host. To read from these addresses, alternative
72 * AHB address must be used.
75 * Linker address PCI/Host address
76 * 0x880000 .. 0xa80000 2Mb BAR0
77 * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM
78 * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH
82 * @fw_mapping provides memory remapping table
84 * array size should be in sync with the declaration in the wil6210.h
86 const struct fw_map fw_mapping[] = {
87 {0x000000, 0x040000, 0x8c0000, "fw_code"}, /* FW code RAM 256k */
88 {0x800000, 0x808000, 0x900000, "fw_data"}, /* FW data RAM 32k */
89 {0x840000, 0x860000, 0x908000, "fw_peri"}, /* periph. data RAM 128k */
90 {0x880000, 0x88a000, 0x880000, "rgf"}, /* various RGF 40k */
91 {0x88a000, 0x88b000, 0x88a000, "AGC_tbl"}, /* AGC table 4k */
92 {0x88b000, 0x88c000, 0x88b000, "rgf_ext"}, /* Pcie_ext_rgf 4k */
93 {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext"}, /* mac_ext_rgf 512b */
94 {0x8c0000, 0x949000, 0x8c0000, "upper"}, /* upper area 548k */
96 * 920000..930000 ucode code RAM
97 * 930000..932000 ucode data RAM
98 * 932000..949000 back-door debug data
102 struct blink_on_off_time led_blink_time[] = {
103 {WIL_LED_BLINK_ON_SLOW_MS, WIL_LED_BLINK_OFF_SLOW_MS},
104 {WIL_LED_BLINK_ON_MED_MS, WIL_LED_BLINK_OFF_MED_MS},
105 {WIL_LED_BLINK_ON_FAST_MS, WIL_LED_BLINK_OFF_FAST_MS},
108 u8 led_polarity = LED_POLARITY_LOW_ACTIVE;
111 * return AHB address for given firmware/ucode internal (linker) address
112 * @x - internal address
113 * If address have no valid AHB mapping, return 0
115 static u32 wmi_addr_remap(u32 x)
119 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
120 if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
121 return x + fw_mapping[i].host - fw_mapping[i].from;
128 * Check address validity for WMI buffer; remap if needed
129 * @ptr - internal (linker) fw/ucode address
131 * Valid buffer should be DWORD aligned
133 * return address for accessing buffer from the host;
134 * if buffer is not valid, return NULL.
136 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
139 u32 ptr = le32_to_cpu(ptr_);
144 ptr = wmi_addr_remap(ptr);
145 if (ptr < WIL6210_FW_HOST_OFF)
149 if (off > WIL6210_MEM_SIZE - 4)
152 return wil->csr + off;
156 * Check address validity
158 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
165 if (ptr < WIL6210_FW_HOST_OFF)
169 if (off > WIL6210_MEM_SIZE - 4)
172 return wil->csr + off;
175 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
176 struct wil6210_mbox_hdr *hdr)
178 void __iomem *src = wmi_buffer(wil, ptr);
183 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
188 static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
191 struct wil6210_mbox_hdr hdr;
192 struct wmi_cmd_hdr wmi;
195 .type = WIL_MBOX_HDR_TYPE_WMI,
197 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
201 .command_id = cpu_to_le16(cmdid),
204 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
205 struct wil6210_mbox_ring_desc d_head;
208 void __iomem *head = wmi_addr(wil, r->head);
212 if (len > r->entry_size - sizeof(cmd)) {
213 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
214 (int)(sizeof(cmd) + len), r->entry_size);
220 if (!test_bit(wil_status_fwready, wil->status)) {
221 wil_err(wil, "WMI: cannot send command while FW not ready\n");
226 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
232 /* read Tx head till it is not busy */
233 for (retry = 5; retry > 0; retry--) {
234 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
235 if (d_head.sync == 0)
239 if (d_head.sync != 0) {
240 wil_err(wil, "WMI head busy\n");
245 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
246 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
247 /* wait till FW finish with previous command */
248 for (retry = 5; retry > 0; retry--) {
249 if (!test_bit(wil_status_fwready, wil->status)) {
250 wil_err(wil, "WMI: cannot send command while FW not ready\n");
254 r->tail = wil_r(wil, RGF_MBOX +
255 offsetof(struct wil6210_mbox_ctl, tx.tail));
256 if (next_head != r->tail)
260 if (next_head == r->tail) {
261 wil_err(wil, "WMI ring full\n");
265 dst = wmi_buffer(wil, d_head.addr);
267 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
268 le32_to_cpu(d_head.addr));
272 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
274 wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
275 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
277 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
279 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
280 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
281 /* mark entry as full */
282 wil_w(wil, r->head + offsetof(struct wil6210_mbox_ring_desc, sync), 1);
283 /* advance next ptr */
284 wil_w(wil, RGF_MBOX + offsetof(struct wil6210_mbox_ctl, tx.head),
285 r->head = next_head);
287 trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
289 /* interrupt to FW */
290 wil_w(wil, RGF_USER_USER_ICR + offsetof(struct RGF_ICR, ICS),
294 wil_halp_unvote(wil);
298 int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
302 mutex_lock(&wil->wmi_mutex);
303 rc = __wmi_send(wil, cmdid, buf, len);
304 mutex_unlock(&wil->wmi_mutex);
309 /*=== Event handlers ===*/
310 static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
312 struct wireless_dev *wdev = wil->wdev;
313 struct wmi_ready_event *evt = d;
315 wil->n_mids = evt->numof_additional_mids;
317 wil_info(wil, "FW ver. %s(SW %d); MAC %pM; %d MID's\n",
318 wil->fw_version, le32_to_cpu(evt->sw_version),
319 evt->mac, wil->n_mids);
320 /* ignore MAC address, we already have it from the boot loader */
321 strlcpy(wdev->wiphy->fw_version, wil->fw_version,
322 sizeof(wdev->wiphy->fw_version));
324 wil_set_recovery_state(wil, fw_recovery_idle);
325 set_bit(wil_status_fwready, wil->status);
326 /* let the reset sequence continue */
327 complete(&wil->wmi_ready);
330 static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
332 struct wmi_rx_mgmt_packet_event *data = d;
333 struct wiphy *wiphy = wil_to_wiphy(wil);
334 struct ieee80211_mgmt *rx_mgmt_frame =
335 (struct ieee80211_mgmt *)data->payload;
336 int flen = len - offsetof(struct wmi_rx_mgmt_packet_event, payload);
339 struct ieee80211_channel *channel;
346 wil_err(wil, "MGMT Rx: short event, len %d\n", len);
350 d_len = le32_to_cpu(data->info.len);
353 "MGMT Rx: length mismatch, d_len %d should be %d\n",
358 ch_no = data->info.channel + 1;
359 freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
360 channel = ieee80211_get_channel(wiphy, freq);
361 signal = data->info.sqi;
362 d_status = le16_to_cpu(data->info.status);
363 fc = rx_mgmt_frame->frame_control;
365 wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d SNR %d SQI %d%%\n",
366 data->info.channel, data->info.mcs, data->info.snr,
368 wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
370 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
371 data->info.qid, data->info.mid, data->info.cid);
372 wil_hex_dump_wmi("MGMT Rx ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
376 wil_err(wil, "Frame on unsupported channel\n");
380 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
381 struct cfg80211_bss *bss;
382 u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
383 u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
384 u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
385 const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
386 size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
388 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
389 wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
390 wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
391 wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
394 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
396 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
397 d_len, signal, GFP_KERNEL);
399 wil_dbg_wmi(wil, "Added BSS %pM\n",
400 rx_mgmt_frame->bssid);
401 cfg80211_put_bss(wiphy, bss);
403 wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
406 mutex_lock(&wil->p2p_wdev_mutex);
407 cfg80211_rx_mgmt(wil->radio_wdev, freq, signal,
408 (void *)rx_mgmt_frame, d_len, 0);
409 mutex_unlock(&wil->p2p_wdev_mutex);
413 static void wmi_evt_tx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
415 struct wmi_tx_mgmt_packet_event *data = d;
416 struct ieee80211_mgmt *mgmt_frame =
417 (struct ieee80211_mgmt *)data->payload;
418 int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload);
420 wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame,
424 static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
427 mutex_lock(&wil->p2p_wdev_mutex);
428 if (wil->scan_request) {
429 struct wmi_scan_complete_event *data = d;
430 struct cfg80211_scan_info info = {
431 .aborted = (data->status != WMI_SCAN_SUCCESS),
434 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
435 wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
436 wil->scan_request, info.aborted);
438 del_timer_sync(&wil->scan_timer);
439 cfg80211_scan_done(wil->scan_request, &info);
440 wil->radio_wdev = wil->wdev;
441 wil->scan_request = NULL;
443 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
445 mutex_unlock(&wil->p2p_wdev_mutex);
448 static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
450 struct net_device *ndev = wil_to_ndev(wil);
451 struct wireless_dev *wdev = wil->wdev;
452 struct wmi_connect_event *evt = d;
453 int ch; /* channel number */
454 struct station_info sinfo;
455 u8 *assoc_req_ie, *assoc_resp_ie;
456 size_t assoc_req_ielen, assoc_resp_ielen;
457 /* capinfo(u16) + listen_interval(u16) + IEs */
458 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
459 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
460 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
463 if (len < sizeof(*evt)) {
464 wil_err(wil, "Connect event too short : %d bytes\n", len);
467 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
468 evt->assoc_resp_len) {
470 "Connect event corrupted : %d != %d + %d + %d + %d\n",
471 len, (int)sizeof(*evt), evt->beacon_ie_len,
472 evt->assoc_req_len, evt->assoc_resp_len);
475 if (evt->cid >= WIL6210_MAX_CID) {
476 wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
480 ch = evt->channel + 1;
481 wil_info(wil, "Connect %pM channel [%d] cid %d\n",
482 evt->bssid, ch, evt->cid);
483 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
484 evt->assoc_info, len - sizeof(*evt), true);
486 /* figure out IE's */
487 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
488 assoc_req_ie_offset];
489 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
490 if (evt->assoc_req_len <= assoc_req_ie_offset) {
495 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
497 assoc_resp_ie_offset];
498 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
499 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
500 assoc_resp_ie = NULL;
501 assoc_resp_ielen = 0;
504 if (test_bit(wil_status_resetting, wil->status) ||
505 !test_bit(wil_status_fwready, wil->status)) {
506 wil_err(wil, "status_resetting, cancel connect event, CID %d\n",
508 /* no need for cleanup, wil_reset will do that */
512 mutex_lock(&wil->mutex);
514 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
515 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
516 if (!test_bit(wil_status_fwconnecting, wil->status)) {
517 wil_err(wil, "Not in connecting state\n");
518 mutex_unlock(&wil->mutex);
521 del_timer_sync(&wil->connect_timer);
522 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
523 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
524 if (wil->sta[evt->cid].status != wil_sta_unused) {
525 wil_err(wil, "%s: AP: Invalid status %d for CID %d\n",
526 __func__, wil->sta[evt->cid].status, evt->cid);
527 mutex_unlock(&wil->mutex);
532 /* FIXME FW can transmit only ucast frames to peer */
533 /* FIXME real ring_id instead of hard coded 0 */
534 ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
535 wil->sta[evt->cid].status = wil_sta_conn_pending;
537 rc = wil_tx_init(wil, evt->cid);
539 wil_err(wil, "%s: config tx vring failed for CID %d, rc (%d)\n",
540 __func__, evt->cid, rc);
541 wmi_disconnect_sta(wil, wil->sta[evt->cid].addr,
542 WLAN_REASON_UNSPECIFIED, false);
544 wil_info(wil, "%s: successful connection to CID %d\n",
548 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
549 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
551 netif_tx_stop_all_queues(ndev);
552 netif_carrier_off(ndev);
554 "%s: cfg80211_connect_result with failure\n",
556 cfg80211_connect_result(ndev, evt->bssid, NULL, 0,
558 WLAN_STATUS_UNSPECIFIED_FAILURE,
562 cfg80211_connect_result(ndev, evt->bssid,
563 assoc_req_ie, assoc_req_ielen,
564 assoc_resp_ie, assoc_resp_ielen,
568 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
569 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
573 memset(&sinfo, 0, sizeof(sinfo));
575 sinfo.generation = wil->sinfo_gen++;
578 sinfo.assoc_req_ies = assoc_req_ie;
579 sinfo.assoc_req_ies_len = assoc_req_ielen;
582 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
584 wil_err(wil, "%s: unhandled iftype %d for CID %d\n",
585 __func__, wdev->iftype, evt->cid);
589 wil->sta[evt->cid].status = wil_sta_connected;
590 set_bit(wil_status_fwconnected, wil->status);
591 netif_tx_wake_all_queues(ndev);
595 wil->sta[evt->cid].status = wil_sta_unused;
596 clear_bit(wil_status_fwconnecting, wil->status);
597 mutex_unlock(&wil->mutex);
600 static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
603 struct wmi_disconnect_event *evt = d;
604 u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
606 wil_info(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
607 evt->bssid, reason_code, evt->disconnect_reason);
611 if (test_bit(wil_status_resetting, wil->status) ||
612 !test_bit(wil_status_fwready, wil->status)) {
613 wil_err(wil, "status_resetting, cancel disconnect event\n");
614 /* no need for cleanup, wil_reset will do that */
618 mutex_lock(&wil->mutex);
619 wil6210_disconnect(wil, evt->bssid, reason_code, true);
620 mutex_unlock(&wil->mutex);
624 * Firmware reports EAPOL frame using WME event.
625 * Reconstruct Ethernet frame and deliver it via normal Rx
627 static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
630 struct net_device *ndev = wil_to_ndev(wil);
631 struct wmi_eapol_rx_event *evt = d;
632 u16 eapol_len = le16_to_cpu(evt->eapol_len);
633 int sz = eapol_len + ETH_HLEN;
637 struct wil_net_stats *stats = NULL;
639 wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
642 cid = wil_find_cid(wil, evt->src_mac);
644 stats = &wil->sta[cid].stats;
646 if (eapol_len > 196) { /* TODO: revisit size limit */
647 wil_err(wil, "EAPOL too large\n");
651 skb = alloc_skb(sz, GFP_KERNEL);
653 wil_err(wil, "Failed to allocate skb\n");
657 eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
658 ether_addr_copy(eth->h_dest, ndev->dev_addr);
659 ether_addr_copy(eth->h_source, evt->src_mac);
660 eth->h_proto = cpu_to_be16(ETH_P_PAE);
661 memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
662 skb->protocol = eth_type_trans(skb, ndev);
663 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
664 ndev->stats.rx_packets++;
665 ndev->stats.rx_bytes += sz;
668 stats->rx_bytes += sz;
671 ndev->stats.rx_dropped++;
677 static void wmi_evt_vring_en(struct wil6210_priv *wil, int id, void *d, int len)
679 struct wmi_vring_en_event *evt = d;
680 u8 vri = evt->vring_index;
682 wil_dbg_wmi(wil, "Enable vring %d\n", vri);
684 if (vri >= ARRAY_SIZE(wil->vring_tx)) {
685 wil_err(wil, "Enable for invalid vring %d\n", vri);
688 wil->vring_tx_data[vri].dot1x_open = true;
689 if (vri == wil->bcast_vring) /* no BA for bcast */
692 wil_addba_tx_request(wil, vri, agg_wsize);
695 static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
698 struct wmi_ba_status_event *evt = d;
699 struct vring_tx_data *txdata;
701 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
703 evt->status == WMI_BA_AGREED ? "OK" : "N/A",
704 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
705 evt->amsdu ? "+" : "-");
707 if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
708 wil_err(wil, "invalid ring id %d\n", evt->ringid);
712 if (evt->status != WMI_BA_AGREED) {
718 txdata = &wil->vring_tx_data[evt->ringid];
720 txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
721 txdata->agg_wsize = evt->agg_wsize;
722 txdata->agg_amsdu = evt->amsdu;
723 txdata->addba_in_progress = false;
726 static void wmi_evt_addba_rx_req(struct wil6210_priv *wil, int id, void *d,
729 struct wmi_rcp_addba_req_event *evt = d;
731 wil_addba_rx_request(wil, evt->cidxtid, evt->dialog_token,
732 evt->ba_param_set, evt->ba_timeout,
736 static void wmi_evt_delba(struct wil6210_priv *wil, int id, void *d, int len)
737 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
739 struct wmi_delba_event *evt = d;
741 u16 reason = __le16_to_cpu(evt->reason);
742 struct wil_sta_info *sta;
743 struct wil_tid_ampdu_rx *r;
746 parse_cidxtid(evt->cidxtid, &cid, &tid);
747 wil_dbg_wmi(wil, "DELBA CID %d TID %d from %s reason %d\n",
749 evt->from_initiator ? "originator" : "recipient",
751 if (!evt->from_initiator) {
753 /* find Tx vring it belongs to */
754 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
755 if ((wil->vring2cid_tid[i][0] == cid) &&
756 (wil->vring2cid_tid[i][1] == tid)) {
757 struct vring_tx_data *txdata =
758 &wil->vring_tx_data[i];
760 wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
761 txdata->agg_timeout = 0;
762 txdata->agg_wsize = 0;
763 txdata->addba_in_progress = false;
765 break; /* max. 1 matching ring */
768 if (i >= ARRAY_SIZE(wil->vring2cid_tid))
769 wil_err(wil, "DELBA: unable to find Tx vring\n");
773 sta = &wil->sta[cid];
775 spin_lock_bh(&sta->tid_rx_lock);
777 r = sta->tid_rx[tid];
778 sta->tid_rx[tid] = NULL;
779 wil_tid_ampdu_rx_free(wil, r);
781 spin_unlock_bh(&sta->tid_rx_lock);
785 * Some events are ignored for purpose; and need not be interpreted as
788 static void wmi_evt_ignore(struct wil6210_priv *wil, int id, void *d, int len)
790 wil_dbg_wmi(wil, "Ignore event 0x%04x len %d\n", id, len);
793 static const struct {
795 void (*handler)(struct wil6210_priv *wil, int eventid,
796 void *data, int data_len);
797 } wmi_evt_handlers[] = {
798 {WMI_READY_EVENTID, wmi_evt_ready},
799 {WMI_FW_READY_EVENTID, wmi_evt_ignore},
800 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
801 {WMI_TX_MGMT_PACKET_EVENTID, wmi_evt_tx_mgmt},
802 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
803 {WMI_CONNECT_EVENTID, wmi_evt_connect},
804 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
805 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
806 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
807 {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
808 {WMI_DELBA_EVENTID, wmi_evt_delba},
809 {WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
810 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore},
815 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
816 * that will be eventually handled by the @wmi_event_worker in the thread
817 * context of thread "wil6210_wmi"
819 void wmi_recv_cmd(struct wil6210_priv *wil)
821 struct wil6210_mbox_ring_desc d_tail;
822 struct wil6210_mbox_hdr hdr;
823 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
824 struct pending_wmi_event *evt;
829 unsigned int num_immed_reply = 0;
831 if (!test_bit(wil_status_mbox_ready, wil->status)) {
832 wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
839 bool immed_reply = false;
841 r->head = wil_r(wil, RGF_MBOX +
842 offsetof(struct wil6210_mbox_ctl, rx.head));
843 if (r->tail == r->head)
846 wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
848 /* read cmd descriptor from tail */
849 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
850 sizeof(struct wil6210_mbox_ring_desc));
851 if (d_tail.sync == 0) {
852 wil_err(wil, "Mbox evt not owned by FW?\n");
856 /* read cmd header from descriptor */
857 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
858 wil_err(wil, "Mbox evt at 0x%08x?\n",
859 le32_to_cpu(d_tail.addr));
862 len = le16_to_cpu(hdr.len);
863 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
864 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
867 /* read cmd buffer from descriptor */
868 src = wmi_buffer(wil, d_tail.addr) +
869 sizeof(struct wil6210_mbox_hdr);
870 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
871 event.wmi) + len, 4),
876 evt->event.hdr = hdr;
877 cmd = (void *)&evt->event.wmi;
878 wil_memcpy_fromio_32(cmd, src, len);
879 /* mark entry as empty */
881 offsetof(struct wil6210_mbox_ring_desc, sync), 0);
883 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
884 (len >= sizeof(struct wmi_cmd_hdr))) {
885 struct wmi_cmd_hdr *wmi = &evt->event.wmi;
886 u16 id = le16_to_cpu(wmi->command_id);
887 u32 tstamp = le32_to_cpu(wmi->fw_timestamp);
888 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
889 if (wil->reply_id && wil->reply_id == id) {
890 if (wil->reply_buf) {
891 memcpy(wil->reply_buf, wmi,
892 min(len, wil->reply_size));
896 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
898 wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
899 id, wmi->mid, tstamp);
900 trace_wil6210_wmi_event(wmi, &wmi[1],
903 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
904 &evt->event.hdr, sizeof(hdr) + len, true);
907 r->tail = r->base + ((r->tail - r->base +
908 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
909 wil_w(wil, RGF_MBOX +
910 offsetof(struct wil6210_mbox_ctl, rx.tail), r->tail);
913 wil_dbg_wmi(wil, "%s: Complete WMI 0x%04x\n",
914 __func__, wil->reply_id);
917 complete(&wil->wmi_call);
919 /* add to the pending list */
920 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
921 list_add_tail(&evt->list, &wil->pending_wmi_ev);
922 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
923 q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
924 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
927 /* normally, 1 event per IRQ should be processed */
928 wil_dbg_wmi(wil, "%s -> %d events queued, %d completed\n", __func__,
929 n - num_immed_reply, num_immed_reply);
932 int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
933 u16 reply_id, void *reply, u8 reply_size, int to_msec)
936 unsigned long remain;
938 mutex_lock(&wil->wmi_mutex);
940 spin_lock(&wil->wmi_ev_lock);
941 wil->reply_id = reply_id;
942 wil->reply_buf = reply;
943 wil->reply_size = reply_size;
944 spin_unlock(&wil->wmi_ev_lock);
946 rc = __wmi_send(wil, cmdid, buf, len);
950 remain = wait_for_completion_timeout(&wil->wmi_call,
951 msecs_to_jiffies(to_msec));
953 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
954 cmdid, reply_id, to_msec);
958 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
960 to_msec - jiffies_to_msecs(remain));
964 spin_lock(&wil->wmi_ev_lock);
966 wil->reply_buf = NULL;
968 spin_unlock(&wil->wmi_ev_lock);
970 mutex_unlock(&wil->wmi_mutex);
975 int wmi_echo(struct wil6210_priv *wil)
977 struct wmi_echo_cmd cmd = {
978 .value = cpu_to_le32(0x12345678),
981 return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
982 WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
985 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
987 struct wmi_set_mac_address_cmd cmd;
989 ether_addr_copy(cmd.mac, addr);
991 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
993 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
996 int wmi_led_cfg(struct wil6210_priv *wil, bool enable)
999 struct wmi_led_cfg_cmd cmd = {
1002 .slow_blink_cfg.blink_on =
1003 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].on_ms),
1004 .slow_blink_cfg.blink_off =
1005 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].off_ms),
1006 .medium_blink_cfg.blink_on =
1007 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].on_ms),
1008 .medium_blink_cfg.blink_off =
1009 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].off_ms),
1010 .fast_blink_cfg.blink_on =
1011 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].on_ms),
1012 .fast_blink_cfg.blink_off =
1013 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].off_ms),
1014 .led_polarity = led_polarity,
1017 struct wmi_cmd_hdr wmi;
1018 struct wmi_led_cfg_done_event evt;
1021 if (led_id == WIL_LED_INVALID_ID)
1024 if (led_id > WIL_LED_MAX_ID) {
1025 wil_err(wil, "Invalid led id %d\n", led_id);
1032 enable ? "enabling" : "disabling", led_id);
1034 rc = wmi_call(wil, WMI_LED_CFG_CMDID, &cmd, sizeof(cmd),
1035 WMI_LED_CFG_DONE_EVENTID, &reply, sizeof(reply),
1040 if (reply.evt.status) {
1041 wil_err(wil, "led %d cfg failed with status %d\n",
1042 led_id, le32_to_cpu(reply.evt.status));
1050 int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
1051 u8 chan, u8 hidden_ssid, u8 is_go)
1055 struct wmi_pcp_start_cmd cmd = {
1056 .bcon_interval = cpu_to_le16(bi),
1057 .network_type = wmi_nettype,
1058 .disable_sec_offload = 1,
1059 .channel = chan - 1,
1060 .pcp_max_assoc_sta = max_assoc_sta,
1061 .hidden_ssid = hidden_ssid,
1065 struct wmi_cmd_hdr wmi;
1066 struct wmi_pcp_started_event evt;
1070 cmd.disable_sec = 1;
1072 if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
1073 (cmd.pcp_max_assoc_sta <= 0)) {
1075 "Requested connection limit %u, valid values are 1 - %d. Setting to %d\n",
1076 max_assoc_sta, WIL6210_MAX_CID, WIL6210_MAX_CID);
1077 cmd.pcp_max_assoc_sta = WIL6210_MAX_CID;
1081 * Processing time may be huge, in case of secure AP it takes about
1082 * 3500ms for FW to start AP
1084 rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
1085 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
1089 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
1092 if (wmi_nettype != WMI_NETTYPE_P2P)
1093 /* Don't fail due to error in the led configuration */
1094 wmi_led_cfg(wil, true);
1099 int wmi_pcp_stop(struct wil6210_priv *wil)
1103 rc = wmi_led_cfg(wil, false);
1107 return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
1108 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
1111 int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
1113 struct wmi_set_ssid_cmd cmd = {
1114 .ssid_len = cpu_to_le32(ssid_len),
1117 if (ssid_len > sizeof(cmd.ssid))
1120 memcpy(cmd.ssid, ssid, ssid_len);
1122 return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
1125 int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
1129 struct wmi_cmd_hdr wmi;
1130 struct wmi_set_ssid_cmd cmd;
1132 int len; /* reply.cmd.ssid_len in CPU order */
1134 rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
1135 &reply, sizeof(reply), 20);
1139 len = le32_to_cpu(reply.cmd.ssid_len);
1140 if (len > sizeof(reply.cmd.ssid))
1144 memcpy(ssid, reply.cmd.ssid, len);
1149 int wmi_set_channel(struct wil6210_priv *wil, int channel)
1151 struct wmi_set_pcp_channel_cmd cmd = {
1152 .channel = channel - 1,
1155 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
1158 int wmi_get_channel(struct wil6210_priv *wil, int *channel)
1162 struct wmi_cmd_hdr wmi;
1163 struct wmi_set_pcp_channel_cmd cmd;
1166 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
1167 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
1171 if (reply.cmd.channel > 3)
1174 *channel = reply.cmd.channel + 1;
1179 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel, int bi)
1182 struct wmi_p2p_cfg_cmd cmd = {
1183 .discovery_mode = WMI_DISCOVERY_MODE_PEER2PEER,
1184 .bcon_interval = cpu_to_le16(bi),
1185 .channel = channel - 1,
1188 struct wmi_cmd_hdr wmi;
1189 struct wmi_p2p_cfg_done_event evt;
1192 wil_dbg_wmi(wil, "sending WMI_P2P_CFG_CMDID\n");
1194 rc = wmi_call(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd),
1195 WMI_P2P_CFG_DONE_EVENTID, &reply, sizeof(reply), 300);
1196 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1197 wil_err(wil, "P2P_CFG failed. status %d\n", reply.evt.status);
1204 int wmi_start_listen(struct wil6210_priv *wil)
1208 struct wmi_cmd_hdr wmi;
1209 struct wmi_listen_started_event evt;
1212 wil_dbg_wmi(wil, "sending WMI_START_LISTEN_CMDID\n");
1214 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
1215 WMI_LISTEN_STARTED_EVENTID, &reply, sizeof(reply), 300);
1216 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1217 wil_err(wil, "device failed to start listen. status %d\n",
1225 int wmi_start_search(struct wil6210_priv *wil)
1229 struct wmi_cmd_hdr wmi;
1230 struct wmi_search_started_event evt;
1233 wil_dbg_wmi(wil, "sending WMI_START_SEARCH_CMDID\n");
1235 rc = wmi_call(wil, WMI_START_SEARCH_CMDID, NULL, 0,
1236 WMI_SEARCH_STARTED_EVENTID, &reply, sizeof(reply), 300);
1237 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1238 wil_err(wil, "device failed to start search. status %d\n",
1246 int wmi_stop_discovery(struct wil6210_priv *wil)
1250 wil_dbg_wmi(wil, "sending WMI_DISCOVERY_STOP_CMDID\n");
1252 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
1253 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 100);
1256 wil_err(wil, "Failed to stop discovery\n");
1261 int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
1262 const void *mac_addr, int key_usage)
1264 struct wmi_delete_cipher_key_cmd cmd = {
1265 .key_index = key_index,
1269 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
1271 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
1274 int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
1275 const void *mac_addr, int key_len, const void *key,
1278 struct wmi_add_cipher_key_cmd cmd = {
1279 .key_index = key_index,
1280 .key_usage = key_usage,
1284 if (!key || (key_len > sizeof(cmd.key)))
1287 memcpy(cmd.key, key, key_len);
1289 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
1291 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
1294 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
1296 static const char *const names[] = {
1297 [WMI_FRAME_BEACON] = "BEACON",
1298 [WMI_FRAME_PROBE_REQ] = "PROBE_REQ",
1299 [WMI_FRAME_PROBE_RESP] = "WMI_FRAME_PROBE_RESP",
1300 [WMI_FRAME_ASSOC_REQ] = "WMI_FRAME_ASSOC_REQ",
1301 [WMI_FRAME_ASSOC_RESP] = "WMI_FRAME_ASSOC_RESP",
1304 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
1305 struct wmi_set_appie_cmd *cmd;
1312 cmd = kzalloc(len, GFP_KERNEL);
1320 cmd->mgmt_frm_type = type;
1321 /* BUG: FW API define ieLen as u8. Will fix FW */
1322 cmd->ie_len = cpu_to_le16(ie_len);
1323 memcpy(cmd->ie_info, ie, ie_len);
1324 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
1328 const char *name = type < ARRAY_SIZE(names) ?
1330 wil_err(wil, "set_ie(%d %s) failed : %d\n", type, name, rc);
1337 * wmi_rxon - turn radio on/off
1338 * @on: turn on if true, off otherwise
1340 * Only switch radio. Channel should be set separately.
1341 * No timeout for rxon - radio turned on forever unless some other call
1344 int wmi_rxon(struct wil6210_priv *wil, bool on)
1348 struct wmi_cmd_hdr wmi;
1349 struct wmi_listen_started_event evt;
1352 wil_info(wil, "%s(%s)\n", __func__, on ? "on" : "off");
1355 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
1356 WMI_LISTEN_STARTED_EVENTID,
1357 &reply, sizeof(reply), 100);
1358 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
1361 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
1362 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
1368 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
1370 struct wireless_dev *wdev = wil->wdev;
1371 struct net_device *ndev = wil_to_ndev(wil);
1372 struct wmi_cfg_rx_chain_cmd cmd = {
1373 .action = WMI_RX_CHAIN_ADD,
1375 .max_mpdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
1376 .ring_mem_base = cpu_to_le64(vring->pa),
1377 .ring_size = cpu_to_le16(vring->size),
1379 .mid = 0, /* TODO - what is it? */
1380 .decap_trans_type = WMI_DECAP_TYPE_802_3,
1381 .reorder_type = WMI_RX_SW_REORDER,
1382 .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
1385 struct wmi_cmd_hdr wmi;
1386 struct wmi_cfg_rx_chain_done_event evt;
1390 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
1391 struct ieee80211_channel *ch = wdev->preset_chandef.chan;
1393 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
1395 cmd.sniffer_cfg.channel = ch->hw_value - 1;
1396 cmd.sniffer_cfg.phy_info_mode =
1397 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
1398 cmd.sniffer_cfg.phy_support =
1399 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
1400 ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
1402 /* Initialize offload (in non-sniffer mode).
1403 * Linux IP stack always calculates IP checksum
1404 * HW always calculate TCP/UDP checksum
1406 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
1410 cmd.l2_802_3_offload_ctrl |=
1411 L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
1413 /* typical time for secure PCP is 840ms */
1414 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
1415 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
1419 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
1421 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
1422 le32_to_cpu(evt.evt.status), vring->hwtail);
1424 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
1430 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
1433 struct wmi_temp_sense_cmd cmd = {
1434 .measure_baseband_en = cpu_to_le32(!!t_bb),
1435 .measure_rf_en = cpu_to_le32(!!t_rf),
1436 .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
1439 struct wmi_cmd_hdr wmi;
1440 struct wmi_temp_sense_done_event evt;
1443 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
1444 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
1449 *t_bb = le32_to_cpu(reply.evt.baseband_t1000);
1451 *t_rf = le32_to_cpu(reply.evt.rf_t1000);
1456 int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason,
1457 bool full_disconnect)
1461 struct wmi_disconnect_sta_cmd cmd = {
1462 .disconnect_reason = cpu_to_le16(reason),
1465 struct wmi_cmd_hdr wmi;
1466 struct wmi_disconnect_event evt;
1469 ether_addr_copy(cmd.dst_mac, mac);
1471 wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
1473 rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd),
1474 WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 1000);
1475 /* failure to disconnect in reasonable time treated as FW error */
1477 wil_fw_error_recovery(wil);
1481 if (full_disconnect) {
1482 /* call event handler manually after processing wmi_call,
1483 * to avoid deadlock - disconnect event handler acquires
1484 * wil->mutex while it is already held here
1486 reason_code = le16_to_cpu(reply.evt.protocol_reason_status);
1488 wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
1489 reply.evt.bssid, reason_code,
1490 reply.evt.disconnect_reason);
1493 wil6210_disconnect(wil, reply.evt.bssid, reason_code, true);
1498 int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout)
1500 struct wmi_vring_ba_en_cmd cmd = {
1502 .agg_max_wsize = size,
1503 .ba_timeout = cpu_to_le16(timeout),
1507 wil_dbg_wmi(wil, "%s(ring %d size %d timeout %d)\n", __func__,
1508 ringid, size, timeout);
1510 return wmi_send(wil, WMI_VRING_BA_EN_CMDID, &cmd, sizeof(cmd));
1513 int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason)
1515 struct wmi_vring_ba_dis_cmd cmd = {
1517 .reason = cpu_to_le16(reason),
1520 wil_dbg_wmi(wil, "%s(ring %d reason %d)\n", __func__,
1523 return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, &cmd, sizeof(cmd));
1526 int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason)
1528 struct wmi_rcp_delba_cmd cmd = {
1530 .reason = cpu_to_le16(reason),
1533 wil_dbg_wmi(wil, "%s(CID %d TID %d reason %d)\n", __func__,
1534 cidxtid & 0xf, (cidxtid >> 4) & 0xf, reason);
1536 return wmi_send(wil, WMI_RCP_DELBA_CMDID, &cmd, sizeof(cmd));
1539 int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
1540 u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
1543 struct wmi_rcp_addba_resp_cmd cmd = {
1544 .cidxtid = mk_cidxtid(cid, tid),
1545 .dialog_token = token,
1546 .status_code = cpu_to_le16(status),
1547 /* bit 0: A-MSDU supported
1548 * bit 1: policy (should be 0 for us)
1550 * bits 6..15: buffer size
1552 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
1554 .ba_timeout = cpu_to_le16(timeout),
1557 struct wmi_cmd_hdr wmi;
1558 struct wmi_rcp_addba_resp_sent_event evt;
1562 "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
1563 cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-");
1565 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, &cmd, sizeof(cmd),
1566 WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
1571 if (reply.evt.status) {
1572 wil_err(wil, "ADDBA response failed with status %d\n",
1573 le16_to_cpu(reply.evt.status));
1580 void wmi_event_flush(struct wil6210_priv *wil)
1582 struct pending_wmi_event *evt, *t;
1584 wil_dbg_wmi(wil, "%s()\n", __func__);
1586 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
1587 list_del(&evt->list);
1592 static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
1597 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
1598 if (wmi_evt_handlers[i].eventid == id) {
1599 wmi_evt_handlers[i].handler(wil, id, d, len);
1607 static void wmi_event_handle(struct wil6210_priv *wil,
1608 struct wil6210_mbox_hdr *hdr)
1610 u16 len = le16_to_cpu(hdr->len);
1612 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
1613 (len >= sizeof(struct wmi_cmd_hdr))) {
1614 struct wmi_cmd_hdr *wmi = (void *)(&hdr[1]);
1615 void *evt_data = (void *)(&wmi[1]);
1616 u16 id = le16_to_cpu(wmi->command_id);
1618 wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n",
1620 /* check if someone waits for this event */
1621 if (wil->reply_id && wil->reply_id == id) {
1622 WARN_ON(wil->reply_buf);
1623 wmi_evt_call_handler(wil, id, evt_data,
1624 len - sizeof(*wmi));
1625 wil_dbg_wmi(wil, "%s: Complete WMI 0x%04x\n",
1627 complete(&wil->wmi_call);
1630 /* unsolicited event */
1631 /* search for handler */
1632 if (!wmi_evt_call_handler(wil, id, evt_data,
1633 len - sizeof(*wmi))) {
1634 wil_info(wil, "Unhandled event 0x%04x\n", id);
1637 wil_err(wil, "Unknown event type\n");
1638 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
1639 hdr, sizeof(*hdr) + len, true);
1644 * Retrieve next WMI event from the pending list
1646 static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
1649 struct list_head *ret = NULL;
1651 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1653 if (!list_empty(&wil->pending_wmi_ev)) {
1654 ret = wil->pending_wmi_ev.next;
1658 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1664 * Handler for the WMI events
1666 void wmi_event_worker(struct work_struct *work)
1668 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1670 struct pending_wmi_event *evt;
1671 struct list_head *lh;
1673 wil_dbg_wmi(wil, "Start %s\n", __func__);
1674 while ((lh = next_wmi_ev(wil)) != NULL) {
1675 evt = list_entry(lh, struct pending_wmi_event, list);
1676 wmi_event_handle(wil, &evt->event.hdr);
1679 wil_dbg_wmi(wil, "Finished %s\n", __func__);