2 * Copyright (c) 2012 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/etherdevice.h>
18 #include <linux/if_arp.h>
25 * WMI event receiving - theory of operations
27 * When firmware about to report WMI event, it fills memory area
28 * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
29 * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
31 * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
32 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
33 * and handles events within the @wmi_event_worker. Every event get detached
34 * from list, processed and deleted.
36 * Purpose for this mechanism is to release IRQ thread; otherwise,
37 * if WMI event handling involves another WMI command flow, this 2-nd flow
38 * won't be completed because of blocked IRQ thread.
42 * Addressing - theory of operations
44 * There are several buses present on the WIL6210 card.
45 * Same memory areas are visible at different address on
46 * the different busses. There are 3 main bus masters:
48 * - User CPU (firmware)
51 * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
52 * AHB addresses starting from 0x880000
54 * Internally, firmware uses addresses that allows faster access but
55 * are invisible from the host. To read from these addresses, alternative
56 * AHB address must be used.
59 * Linker address PCI/Host address
60 * 0x880000 .. 0xa80000 2Mb BAR0
61 * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM
62 * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH
66 * @fw_mapping provides memory remapping table
69 u32 from; /* linker address - from, inclusive */
70 u32 to; /* linker address - to, exclusive */
71 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
73 {0x000000, 0x040000, 0x8c0000}, /* FW code RAM 256k */
74 {0x800000, 0x808000, 0x900000}, /* FW data RAM 32k */
75 {0x840000, 0x860000, 0x908000}, /* peripheral data RAM 128k/96k used */
76 {0x880000, 0x88a000, 0x880000}, /* various RGF */
77 {0x8c0000, 0x932000, 0x8c0000}, /* trivial mapping for upper area */
79 * 920000..930000 ucode code RAM
80 * 930000..932000 ucode data RAM
85 * return AHB address for given firmware/ucode internal (linker) address
86 * @x - internal address
87 * If address have no valid AHB mapping, return 0
89 static u32 wmi_addr_remap(u32 x)
93 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
94 if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
95 return x + fw_mapping[i].host - fw_mapping[i].from;
102 * Check address validity for WMI buffer; remap if needed
103 * @ptr - internal (linker) fw/ucode address
105 * Valid buffer should be DWORD aligned
107 * return address for accessing buffer from the host;
108 * if buffer is not valid, return NULL.
110 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
113 u32 ptr = le32_to_cpu(ptr_);
118 ptr = wmi_addr_remap(ptr);
119 if (ptr < WIL6210_FW_HOST_OFF)
123 if (off > WIL6210_MEM_SIZE - 4)
126 return wil->csr + off;
130 * Check address validity
132 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
139 if (ptr < WIL6210_FW_HOST_OFF)
143 if (off > WIL6210_MEM_SIZE - 4)
146 return wil->csr + off;
149 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
150 struct wil6210_mbox_hdr *hdr)
152 void __iomem *src = wmi_buffer(wil, ptr);
156 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
161 static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
164 struct wil6210_mbox_hdr hdr;
165 struct wil6210_mbox_hdr_wmi wmi;
168 .type = WIL_MBOX_HDR_TYPE_WMI,
170 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
173 .id = cpu_to_le16(cmdid),
177 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
178 struct wil6210_mbox_ring_desc d_head;
181 void __iomem *head = wmi_addr(wil, r->head);
184 if (sizeof(cmd) + len > r->entry_size) {
185 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
186 (int)(sizeof(cmd) + len), r->entry_size);
192 if (!test_bit(wil_status_fwready, &wil->status)) {
193 wil_err(wil, "FW not ready\n");
198 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
201 /* read Tx head till it is not busy */
202 for (retry = 5; retry > 0; retry--) {
203 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
204 if (d_head.sync == 0)
208 if (d_head.sync != 0) {
209 wil_err(wil, "WMI head busy\n");
213 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
214 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
215 /* wait till FW finish with previous command */
216 for (retry = 5; retry > 0; retry--) {
217 r->tail = ioread32(wil->csr + HOST_MBOX +
218 offsetof(struct wil6210_mbox_ctl, tx.tail));
219 if (next_head != r->tail)
223 if (next_head == r->tail) {
224 wil_err(wil, "WMI ring full\n");
227 dst = wmi_buffer(wil, d_head.addr);
229 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
230 le32_to_cpu(d_head.addr));
233 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
235 wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
236 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
238 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
240 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
241 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
242 /* mark entry as full */
243 iowrite32(1, wil->csr + HOSTADDR(r->head) +
244 offsetof(struct wil6210_mbox_ring_desc, sync));
245 /* advance next ptr */
246 iowrite32(r->head = next_head, wil->csr + HOST_MBOX +
247 offsetof(struct wil6210_mbox_ctl, tx.head));
249 /* interrupt to FW */
250 iowrite32(SW_INT_MBOX, wil->csr + HOST_SW_INT);
255 int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
259 mutex_lock(&wil->wmi_mutex);
260 rc = __wmi_send(wil, cmdid, buf, len);
261 mutex_unlock(&wil->wmi_mutex);
266 /*=== Event handlers ===*/
267 static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
269 struct net_device *ndev = wil_to_ndev(wil);
270 struct wireless_dev *wdev = wil->wdev;
271 struct wmi_ready_event *evt = d;
272 wil->fw_version = le32_to_cpu(evt->sw_version);
273 wil->n_mids = evt->numof_additional_mids;
275 wil_dbg_wmi(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version,
276 evt->mac, wil->n_mids);
278 if (!is_valid_ether_addr(ndev->dev_addr)) {
279 memcpy(ndev->dev_addr, evt->mac, ETH_ALEN);
280 memcpy(ndev->perm_addr, evt->mac, ETH_ALEN);
282 snprintf(wdev->wiphy->fw_version, sizeof(wdev->wiphy->fw_version),
283 "%d", wil->fw_version);
286 static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d,
289 wil_dbg_wmi(wil, "WMI: FW ready\n");
291 set_bit(wil_status_fwready, &wil->status);
292 /* reuse wmi_ready for the firmware ready indication */
293 complete(&wil->wmi_ready);
296 static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
298 struct wmi_rx_mgmt_packet_event *data = d;
299 struct wiphy *wiphy = wil_to_wiphy(wil);
300 struct ieee80211_mgmt *rx_mgmt_frame =
301 (struct ieee80211_mgmt *)data->payload;
302 int ch_no = data->info.channel+1;
303 u32 freq = ieee80211_channel_to_frequency(ch_no,
304 IEEE80211_BAND_60GHZ);
305 struct ieee80211_channel *channel = ieee80211_get_channel(wiphy, freq);
306 /* TODO convert LE to CPU */
307 s32 signal = 0; /* TODO */
308 __le16 fc = rx_mgmt_frame->frame_control;
309 u32 d_len = le32_to_cpu(data->info.len);
310 u16 d_status = le16_to_cpu(data->info.status);
312 wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d\n",
313 data->info.channel, data->info.mcs, data->info.snr);
314 wil_dbg_wmi(wil, "status 0x%04x len %d stype %04x\n", d_status, d_len,
315 le16_to_cpu(data->info.stype));
316 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
317 data->info.qid, data->info.mid, data->info.cid);
320 wil_err(wil, "Frame on unsupported channel\n");
324 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
325 struct cfg80211_bss *bss;
327 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
328 d_len, signal, GFP_KERNEL);
330 wil_dbg_wmi(wil, "Added BSS %pM\n",
331 rx_mgmt_frame->bssid);
332 cfg80211_put_bss(wiphy, bss);
334 wil_err(wil, "cfg80211_inform_bss() failed\n");
337 cfg80211_rx_mgmt(wil->wdev, freq, signal,
338 (void *)rx_mgmt_frame, d_len, GFP_KERNEL);
342 static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
345 if (wil->scan_request) {
346 struct wmi_scan_complete_event *data = d;
347 bool aborted = (data->status != 0);
349 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
350 cfg80211_scan_done(wil->scan_request, aborted);
351 wil->scan_request = NULL;
353 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
357 static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
359 struct net_device *ndev = wil_to_ndev(wil);
360 struct wireless_dev *wdev = wil->wdev;
361 struct wmi_connect_event *evt = d;
362 int ch; /* channel number */
363 struct station_info sinfo;
364 u8 *assoc_req_ie, *assoc_resp_ie;
365 size_t assoc_req_ielen, assoc_resp_ielen;
366 /* capinfo(u16) + listen_interval(u16) + IEs */
367 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
368 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
369 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
371 if (len < sizeof(*evt)) {
372 wil_err(wil, "Connect event too short : %d bytes\n", len);
375 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
376 evt->assoc_resp_len) {
378 "Connect event corrupted : %d != %d + %d + %d + %d\n",
379 len, (int)sizeof(*evt), evt->beacon_ie_len,
380 evt->assoc_req_len, evt->assoc_resp_len);
383 ch = evt->channel + 1;
384 wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n",
385 evt->bssid, ch, evt->cid);
386 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
387 evt->assoc_info, len - sizeof(*evt), true);
389 /* figure out IE's */
390 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
391 assoc_req_ie_offset];
392 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
393 if (evt->assoc_req_len <= assoc_req_ie_offset) {
398 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
400 assoc_resp_ie_offset];
401 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
402 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
403 assoc_resp_ie = NULL;
404 assoc_resp_ielen = 0;
407 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
408 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
409 if (wdev->sme_state != CFG80211_SME_CONNECTING) {
410 wil_err(wil, "Not in connecting state\n");
413 del_timer_sync(&wil->connect_timer);
414 cfg80211_connect_result(ndev, evt->bssid,
415 assoc_req_ie, assoc_req_ielen,
416 assoc_resp_ie, assoc_resp_ielen,
417 WLAN_STATUS_SUCCESS, GFP_KERNEL);
419 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
420 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
421 memset(&sinfo, 0, sizeof(sinfo));
423 sinfo.generation = wil->sinfo_gen++;
426 sinfo.assoc_req_ies = assoc_req_ie;
427 sinfo.assoc_req_ies_len = assoc_req_ielen;
428 sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;
431 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
433 set_bit(wil_status_fwconnected, &wil->status);
435 /* FIXME FW can transmit only ucast frames to peer */
436 /* FIXME real ring_id instead of hard coded 0 */
437 memcpy(wil->dst_addr[0], evt->bssid, ETH_ALEN);
439 wil->pending_connect_cid = evt->cid;
440 queue_work(wil->wmi_wq_conn, &wil->connect_worker);
443 static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
446 struct wmi_disconnect_event *evt = d;
448 wil_dbg_wmi(wil, "Disconnect %pM reason %d proto %d wmi\n",
450 evt->protocol_reason_status, evt->disconnect_reason);
454 wil6210_disconnect(wil, evt->bssid);
457 static void wmi_evt_notify(struct wil6210_priv *wil, int id, void *d, int len)
459 struct wmi_notify_req_done_event *evt = d;
461 if (len < sizeof(*evt)) {
462 wil_err(wil, "Short NOTIFY event\n");
466 wil->stats.tsf = le64_to_cpu(evt->tsf);
467 wil->stats.snr = le32_to_cpu(evt->snr_val);
468 wil->stats.bf_mcs = le16_to_cpu(evt->bf_mcs);
469 wil->stats.my_rx_sector = le16_to_cpu(evt->my_rx_sector);
470 wil->stats.my_tx_sector = le16_to_cpu(evt->my_tx_sector);
471 wil->stats.peer_rx_sector = le16_to_cpu(evt->other_rx_sector);
472 wil->stats.peer_tx_sector = le16_to_cpu(evt->other_tx_sector);
473 wil_dbg_wmi(wil, "Link status, MCS %d TSF 0x%016llx\n"
474 "BF status 0x%08x SNR 0x%08x\n"
475 "Tx Tpt %d goodput %d Rx goodput %d\n"
476 "Sectors(rx:tx) my %d:%d peer %d:%d\n",
477 wil->stats.bf_mcs, wil->stats.tsf, evt->status,
478 wil->stats.snr, le32_to_cpu(evt->tx_tpt),
479 le32_to_cpu(evt->tx_goodput), le32_to_cpu(evt->rx_goodput),
480 wil->stats.my_rx_sector, wil->stats.my_tx_sector,
481 wil->stats.peer_rx_sector, wil->stats.peer_tx_sector);
485 * Firmware reports EAPOL frame using WME event.
486 * Reconstruct Ethernet frame and deliver it via normal Rx
488 static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
491 struct net_device *ndev = wil_to_ndev(wil);
492 struct wmi_eapol_rx_event *evt = d;
493 u16 eapol_len = le16_to_cpu(evt->eapol_len);
494 int sz = eapol_len + ETH_HLEN;
498 wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
501 if (eapol_len > 196) { /* TODO: revisit size limit */
502 wil_err(wil, "EAPOL too large\n");
506 skb = alloc_skb(sz, GFP_KERNEL);
508 wil_err(wil, "Failed to allocate skb\n");
511 eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
512 memcpy(eth->h_dest, ndev->dev_addr, ETH_ALEN);
513 memcpy(eth->h_source, evt->src_mac, ETH_ALEN);
514 eth->h_proto = cpu_to_be16(ETH_P_PAE);
515 memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
516 skb->protocol = eth_type_trans(skb, ndev);
517 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
518 ndev->stats.rx_packets++;
519 ndev->stats.rx_bytes += skb->len;
521 ndev->stats.rx_dropped++;
525 static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
527 struct net_device *ndev = wil_to_ndev(wil);
528 struct wmi_data_port_open_event *evt = d;
530 wil_dbg_wmi(wil, "Link UP for CID %d\n", evt->cid);
532 netif_carrier_on(ndev);
535 static void wmi_evt_linkdown(struct wil6210_priv *wil, int id, void *d, int len)
537 struct net_device *ndev = wil_to_ndev(wil);
538 struct wmi_wbe_link_down_event *evt = d;
540 wil_dbg_wmi(wil, "Link DOWN for CID %d, reason %d\n",
541 evt->cid, le32_to_cpu(evt->reason));
543 netif_carrier_off(ndev);
546 static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
549 struct wmi_vring_ba_status_event *evt = d;
551 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d\n",
552 evt->ringid, evt->status ? "N/A" : "OK", evt->agg_wsize,
553 __le16_to_cpu(evt->ba_timeout));
556 static const struct {
558 void (*handler)(struct wil6210_priv *wil, int eventid,
559 void *data, int data_len);
560 } wmi_evt_handlers[] = {
561 {WMI_READY_EVENTID, wmi_evt_ready},
562 {WMI_FW_READY_EVENTID, wmi_evt_fw_ready},
563 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
564 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
565 {WMI_CONNECT_EVENTID, wmi_evt_connect},
566 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
567 {WMI_NOTIFY_REQ_DONE_EVENTID, wmi_evt_notify},
568 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
569 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_linkup},
570 {WMI_WBE_LINKDOWN_EVENTID, wmi_evt_linkdown},
571 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
576 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
577 * that will be eventually handled by the @wmi_event_worker in the thread
578 * context of thread "wil6210_wmi"
580 void wmi_recv_cmd(struct wil6210_priv *wil)
582 struct wil6210_mbox_ring_desc d_tail;
583 struct wil6210_mbox_hdr hdr;
584 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
585 struct pending_wmi_event *evt;
590 if (!test_bit(wil_status_reset_done, &wil->status)) {
591 wil_err(wil, "Reset not completed\n");
598 r->head = ioread32(wil->csr + HOST_MBOX +
599 offsetof(struct wil6210_mbox_ctl, rx.head));
600 if (r->tail == r->head)
603 /* read cmd from tail */
604 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
605 sizeof(struct wil6210_mbox_ring_desc));
606 if (d_tail.sync == 0) {
607 wil_err(wil, "Mbox evt not owned by FW?\n");
611 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
612 wil_err(wil, "Mbox evt at 0x%08x?\n",
613 le32_to_cpu(d_tail.addr));
617 len = le16_to_cpu(hdr.len);
618 src = wmi_buffer(wil, d_tail.addr) +
619 sizeof(struct wil6210_mbox_hdr);
620 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
621 event.wmi) + len, 4),
626 evt->event.hdr = hdr;
627 cmd = (void *)&evt->event.wmi;
628 wil_memcpy_fromio_32(cmd, src, len);
629 /* mark entry as empty */
630 iowrite32(0, wil->csr + HOSTADDR(r->tail) +
631 offsetof(struct wil6210_mbox_ring_desc, sync));
633 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
634 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
636 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
637 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
638 wil_dbg_wmi(wil, "WMI event 0x%04x\n",
641 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
642 &evt->event.hdr, sizeof(hdr) + len, true);
645 r->tail = r->base + ((r->tail - r->base +
646 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
647 iowrite32(r->tail, wil->csr + HOST_MBOX +
648 offsetof(struct wil6210_mbox_ctl, rx.tail));
650 /* add to the pending list */
651 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
652 list_add_tail(&evt->list, &wil->pending_wmi_ev);
653 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
655 int q = queue_work(wil->wmi_wq,
656 &wil->wmi_event_worker);
657 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
662 int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
663 u16 reply_id, void *reply, u8 reply_size, int to_msec)
668 mutex_lock(&wil->wmi_mutex);
670 rc = __wmi_send(wil, cmdid, buf, len);
674 wil->reply_id = reply_id;
675 wil->reply_buf = reply;
676 wil->reply_size = reply_size;
677 remain = wait_for_completion_timeout(&wil->wmi_ready,
678 msecs_to_jiffies(to_msec));
680 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
681 cmdid, reply_id, to_msec);
685 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
687 to_msec - jiffies_to_msecs(remain));
690 wil->reply_buf = NULL;
693 mutex_unlock(&wil->wmi_mutex);
698 int wmi_echo(struct wil6210_priv *wil)
700 struct wmi_echo_cmd cmd = {
701 .value = cpu_to_le32(0x12345678),
704 return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
705 WMI_ECHO_RSP_EVENTID, NULL, 0, 20);
708 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
710 struct wmi_set_mac_address_cmd cmd;
712 memcpy(cmd.mac, addr, ETH_ALEN);
714 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
716 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
719 int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan)
723 struct wmi_pcp_start_cmd cmd = {
724 .bcon_interval = cpu_to_le16(bi),
725 .network_type = wmi_nettype,
726 .disable_sec_offload = 1,
730 struct wil6210_mbox_hdr_wmi wmi;
731 struct wmi_pcp_started_event evt;
734 if (!wil->secure_pcp)
737 rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
738 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 100);
742 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
748 int wmi_pcp_stop(struct wil6210_priv *wil)
750 return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
751 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
754 int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
756 struct wmi_set_ssid_cmd cmd = {
757 .ssid_len = cpu_to_le32(ssid_len),
760 if (ssid_len > sizeof(cmd.ssid))
763 memcpy(cmd.ssid, ssid, ssid_len);
765 return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
768 int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
772 struct wil6210_mbox_hdr_wmi wmi;
773 struct wmi_set_ssid_cmd cmd;
775 int len; /* reply.cmd.ssid_len in CPU order */
777 rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
778 &reply, sizeof(reply), 20);
782 len = le32_to_cpu(reply.cmd.ssid_len);
783 if (len > sizeof(reply.cmd.ssid))
787 memcpy(ssid, reply.cmd.ssid, len);
792 int wmi_set_channel(struct wil6210_priv *wil, int channel)
794 struct wmi_set_pcp_channel_cmd cmd = {
795 .channel = channel - 1,
798 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
801 int wmi_get_channel(struct wil6210_priv *wil, int *channel)
805 struct wil6210_mbox_hdr_wmi wmi;
806 struct wmi_set_pcp_channel_cmd cmd;
809 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
810 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
814 if (reply.cmd.channel > 3)
817 *channel = reply.cmd.channel + 1;
822 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
824 struct wmi_p2p_cfg_cmd cmd = {
825 .discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD,
826 .channel = channel - 1,
829 return wmi_send(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd));
832 int wmi_tx_eapol(struct wil6210_priv *wil, struct sk_buff *skb)
834 struct wmi_eapol_tx_cmd *cmd;
836 u16 eapol_len = skb->len - ETH_HLEN;
837 void *eapol = skb->data + ETH_HLEN;
841 skb_set_mac_header(skb, 0);
843 wil_dbg_wmi(wil, "EAPOL %d bytes to %pM\n", eapol_len, eth->h_dest);
844 for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
845 if (memcmp(wil->dst_addr[i], eth->h_dest, ETH_ALEN) == 0)
852 /* find out eapol data & len */
853 cmd = kzalloc(sizeof(*cmd) + eapol_len, GFP_KERNEL);
857 memcpy(cmd->dst_mac, eth->h_dest, ETH_ALEN);
858 cmd->eapol_len = cpu_to_le16(eapol_len);
859 memcpy(cmd->eapol, eapol, eapol_len);
860 rc = wmi_send(wil, WMI_EAPOL_TX_CMDID, cmd, sizeof(*cmd) + eapol_len);
866 int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
867 const void *mac_addr)
869 struct wmi_delete_cipher_key_cmd cmd = {
870 .key_index = key_index,
874 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
876 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
879 int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
880 const void *mac_addr, int key_len, const void *key)
882 struct wmi_add_cipher_key_cmd cmd = {
883 .key_index = key_index,
884 .key_usage = WMI_KEY_USE_PAIRWISE,
888 if (!key || (key_len > sizeof(cmd.key)))
891 memcpy(cmd.key, key, key_len);
893 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
895 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
898 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
901 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
902 struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
906 cmd->mgmt_frm_type = type;
907 /* BUG: FW API define ieLen as u8. Will fix FW */
908 cmd->ie_len = cpu_to_le16(ie_len);
909 memcpy(cmd->ie_info, ie, ie_len);
910 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
916 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
918 struct wireless_dev *wdev = wil->wdev;
919 struct net_device *ndev = wil_to_ndev(wil);
920 struct wmi_cfg_rx_chain_cmd cmd = {
921 .action = WMI_RX_CHAIN_ADD,
923 .max_mpdu_size = cpu_to_le16(RX_BUF_LEN),
924 .ring_mem_base = cpu_to_le64(vring->pa),
925 .ring_size = cpu_to_le16(vring->size),
927 .mid = 0, /* TODO - what is it? */
928 .decap_trans_type = WMI_DECAP_TYPE_802_3,
931 struct wil6210_mbox_hdr_wmi wmi;
932 struct wmi_cfg_rx_chain_done_event evt;
936 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
937 struct ieee80211_channel *ch = wdev->preset_chandef.chan;
939 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
941 cmd.sniffer_cfg.channel = ch->hw_value - 1;
942 cmd.sniffer_cfg.phy_info_mode =
943 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
944 cmd.sniffer_cfg.phy_support =
945 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
946 ? WMI_SNIFFER_CP : WMI_SNIFFER_DP);
948 /* typical time for secure PCP is 840ms */
949 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
950 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
954 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
956 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
957 le32_to_cpu(evt.evt.status), vring->hwtail);
959 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
965 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r)
968 struct wmi_temp_sense_cmd cmd = {
969 .measure_marlon_m_en = cpu_to_le32(!!t_m),
970 .measure_marlon_r_en = cpu_to_le32(!!t_r),
973 struct wil6210_mbox_hdr_wmi wmi;
974 struct wmi_temp_sense_done_event evt;
977 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
978 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
983 *t_m = le32_to_cpu(reply.evt.marlon_m_t1000);
985 *t_r = le32_to_cpu(reply.evt.marlon_r_t1000);
990 void wmi_event_flush(struct wil6210_priv *wil)
992 struct pending_wmi_event *evt, *t;
994 wil_dbg_wmi(wil, "%s()\n", __func__);
996 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
997 list_del(&evt->list);
1002 static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
1007 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
1008 if (wmi_evt_handlers[i].eventid == id) {
1009 wmi_evt_handlers[i].handler(wil, id, d, len);
1017 static void wmi_event_handle(struct wil6210_priv *wil,
1018 struct wil6210_mbox_hdr *hdr)
1020 u16 len = le16_to_cpu(hdr->len);
1022 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
1023 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
1024 struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
1025 void *evt_data = (void *)(&wmi[1]);
1026 u16 id = le16_to_cpu(wmi->id);
1027 /* check if someone waits for this event */
1028 if (wil->reply_id && wil->reply_id == id) {
1029 if (wil->reply_buf) {
1030 memcpy(wil->reply_buf, wmi,
1031 min(len, wil->reply_size));
1033 wmi_evt_call_handler(wil, id, evt_data,
1034 len - sizeof(*wmi));
1036 wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
1037 complete(&wil->wmi_ready);
1040 /* unsolicited event */
1041 /* search for handler */
1042 if (!wmi_evt_call_handler(wil, id, evt_data,
1043 len - sizeof(*wmi))) {
1044 wil_err(wil, "Unhandled event 0x%04x\n", id);
1047 wil_err(wil, "Unknown event type\n");
1048 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
1049 hdr, sizeof(*hdr) + len, true);
1054 * Retrieve next WMI event from the pending list
1056 static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
1059 struct list_head *ret = NULL;
1061 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1063 if (!list_empty(&wil->pending_wmi_ev)) {
1064 ret = wil->pending_wmi_ev.next;
1068 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1074 * Handler for the WMI events
1076 void wmi_event_worker(struct work_struct *work)
1078 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1080 struct pending_wmi_event *evt;
1081 struct list_head *lh;
1083 while ((lh = next_wmi_ev(wil)) != NULL) {
1084 evt = list_entry(lh, struct pending_wmi_event, list);
1085 wmi_event_handle(wil, &evt->event.hdr);