projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
wil6210: wait for del_station to complete
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / wmi.c
CommitLineData
2be7d22f 1/*
230d8442 2 * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
2be7d22f
VK		 3 *
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.
7 *
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.
15 */
16
1eb9d1e5 17#include <linux/moduleparam.h>
2be7d22f 18#include <linux/etherdevice.h>
47e19af9 19#include <linux/if_arp.h>
2be7d22f
VK		 20
21#include "wil6210.h"
47e19af9 22#include "txrx.h"
2be7d22f 23#include "wmi.h"
98658095 24#include "trace.h"
2be7d22f 25
327755fb 26static uint max_assoc_sta = WIL6210_MAX_CID;
1eb9d1e5
DL		 27module_param(max_assoc_sta, uint, S_IRUGO | S_IWUSR);
28MODULE_PARM_DESC(max_assoc_sta, " Max number of stations associated to the AP");
29
3a3def8d
VK		 30int agg_wsize; /* = 0; */
31module_param(agg_wsize, int, S_IRUGO | S_IWUSR);
32MODULE_PARM_DESC(agg_wsize, " Window size for Tx Block Ack after connect;"
33 " 0 - use default; < 0 - don't auto-establish");
34
2be7d22f
VK		 35/**
36 * WMI event receiving - theory of operations
37 *
38 * When firmware about to report WMI event, it fills memory area
39 * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
40 * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
41 *
42 * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
43 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
44 * and handles events within the @wmi_event_worker. Every event get detached
45 * from list, processed and deleted.
46 *
47 * Purpose for this mechanism is to release IRQ thread; otherwise,
48 * if WMI event handling involves another WMI command flow, this 2-nd flow
49 * won't be completed because of blocked IRQ thread.
50 */
51
52/**
53 * Addressing - theory of operations
54 *
55 * There are several buses present on the WIL6210 card.
56 * Same memory areas are visible at different address on
57 * the different busses. There are 3 main bus masters:
58 * - MAC CPU (ucode)
59 * - User CPU (firmware)
60 * - AHB (host)
61 *
62 * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
63 * AHB addresses starting from 0x880000
64 *
65 * Internally, firmware uses addresses that allows faster access but
66 * are invisible from the host. To read from these addresses, alternative
67 * AHB address must be used.
68 *
69 * Memory mapping
70 * Linker address PCI/Host address
71 * 0x880000 .. 0xa80000 2Mb BAR0
72 * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM
73 * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH
74 */
75
76/**
77 * @fw_mapping provides memory remapping table
b541d0a0
VK		 78 *
79 * array size should be in sync with the declaration in the wil6210.h
2be7d22f 80 */
b541d0a0
VK		 81const struct fw_map fw_mapping[] = {
82 {0x000000, 0x040000, 0x8c0000, "fw_code"}, /* FW code RAM 256k */
83 {0x800000, 0x808000, 0x900000, "fw_data"}, /* FW data RAM 32k */
84 {0x840000, 0x860000, 0x908000, "fw_peri"}, /* periph. data RAM 128k */
85 {0x880000, 0x88a000, 0x880000, "rgf"}, /* various RGF 40k */
72269146 86 {0x88a000, 0x88b000, 0x88a000, "AGC_tbl"}, /* AGC table 4k */
b541d0a0 87 {0x88b000, 0x88c000, 0x88b000, "rgf_ext"}, /* Pcie_ext_rgf 4k */
0fd37ff8 88 {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext"}, /* mac_ext_rgf 512b */
b541d0a0 89 {0x8c0000, 0x949000, 0x8c0000, "upper"}, /* upper area 548k */
2be7d22f
VK		 90 /*
91 * 920000..930000 ucode code RAM
92 * 930000..932000 ucode data RAM
af6b48db 93 * 932000..949000 back-door debug data
2be7d22f
VK		 94 */
95};
96
97/**
98 * return AHB address for given firmware/ucode internal (linker) address
99 * @x - internal address
100 * If address have no valid AHB mapping, return 0
101 */
102static u32 wmi_addr_remap(u32 x)
103{
104 uint i;
105
106 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
107 if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
108 return x + fw_mapping[i].host - fw_mapping[i].from;
109 }
110
111 return 0;
112}
113
114/**
115 * Check address validity for WMI buffer; remap if needed
116 * @ptr - internal (linker) fw/ucode address
117 *
118 * Valid buffer should be DWORD aligned
119 *
120 * return address for accessing buffer from the host;
121 * if buffer is not valid, return NULL.
122 */
123void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
124{
125 u32 off;
126 u32 ptr = le32_to_cpu(ptr_);
127
128 if (ptr % 4)
129 return NULL;
130
131 ptr = wmi_addr_remap(ptr);
132 if (ptr < WIL6210_FW_HOST_OFF)
133 return NULL;
134
135 off = HOSTADDR(ptr);
136 if (off > WIL6210_MEM_SIZE - 4)
137 return NULL;
138
139 return wil->csr + off;
140}
141
142/**
143 * Check address validity
144 */
145void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
146{
147 u32 off;
148
149 if (ptr % 4)
150 return NULL;
151
152 if (ptr < WIL6210_FW_HOST_OFF)
153 return NULL;
154
155 off = HOSTADDR(ptr);
156 if (off > WIL6210_MEM_SIZE - 4)
157 return NULL;
158
159 return wil->csr + off;
160}
161
162int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
163 struct wil6210_mbox_hdr *hdr)
164{
165 void __iomem *src = wmi_buffer(wil, ptr);
8fe59627 166
2be7d22f
VK		 167 if (!src)
168 return -EINVAL;
169
170 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
171
172 return 0;
173}
174
175static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
176{
177 struct {
178 struct wil6210_mbox_hdr hdr;
179 struct wil6210_mbox_hdr_wmi wmi;
180 } __packed cmd = {
181 .hdr = {
182 .type = WIL_MBOX_HDR_TYPE_WMI,
183 .flags = 0,
184 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
185 },
186 .wmi = {
f988b23f 187 .mid = 0,
2be7d22f 188 .id = cpu_to_le16(cmdid),
2be7d22f
VK		 189 },
190 };
191 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
192 struct wil6210_mbox_ring_desc d_head;
193 u32 next_head;
194 void __iomem *dst;
195 void __iomem *head = wmi_addr(wil, r->head);
196 uint retry;
197
198 if (sizeof(cmd) + len > r->entry_size) {
199 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
200 (int)(sizeof(cmd) + len), r->entry_size);
201 return -ERANGE;
2be7d22f
VK		 202 }
203
204 might_sleep();
205
9419b6a2 206 if (!test_bit(wil_status_fwready, wil->status)) {
15e23124 207 wil_err(wil, "WMI: cannot send command while FW not ready\n");
2be7d22f
VK		 208 return -EAGAIN;
209 }
210
211 if (!head) {
212 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
213 return -EINVAL;
214 }
215 /* read Tx head till it is not busy */
216 for (retry = 5; retry > 0; retry--) {
217 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
218 if (d_head.sync == 0)
219 break;
220 msleep(20);
221 }
222 if (d_head.sync != 0) {
223 wil_err(wil, "WMI head busy\n");
224 return -EBUSY;
225 }
226 /* next head */
227 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
7743882d 228 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
2be7d22f
VK		 229 /* wait till FW finish with previous command */
230 for (retry = 5; retry > 0; retry--) {
231 r->tail = ioread32(wil->csr + HOST_MBOX +
232 offsetof(struct wil6210_mbox_ctl, tx.tail));
233 if (next_head != r->tail)
234 break;
235 msleep(20);
236 }
237 if (next_head == r->tail) {
238 wil_err(wil, "WMI ring full\n");
239 return -EBUSY;
240 }
241 dst = wmi_buffer(wil, d_head.addr);
242 if (!dst) {
243 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
244 le32_to_cpu(d_head.addr));
245 return -EINVAL;
246 }
247 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
248 /* set command */
7743882d
VK		 249 wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
250 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
2be7d22f 251 sizeof(cmd), true);
7743882d 252 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
2be7d22f
VK		 253 len, true);
254 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
255 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
256 /* mark entry as full */
257 iowrite32(1, wil->csr + HOSTADDR(r->head) +
258 offsetof(struct wil6210_mbox_ring_desc, sync));
259 /* advance next ptr */
260 iowrite32(r->head = next_head, wil->csr + HOST_MBOX +
261 offsetof(struct wil6210_mbox_ctl, tx.head));
262
f988b23f 263 trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
98658095 264
2be7d22f
VK		 265 /* interrupt to FW */
266 iowrite32(SW_INT_MBOX, wil->csr + HOST_SW_INT);
267
268 return 0;
269}
270
271int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
272{
273 int rc;
274
275 mutex_lock(&wil->wmi_mutex);
276 rc = __wmi_send(wil, cmdid, buf, len);
277 mutex_unlock(&wil->wmi_mutex);
278
279 return rc;
280}
281
282/*=== Event handlers ===*/
283static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
284{
2be7d22f
VK		 285 struct wireless_dev *wdev = wil->wdev;
286 struct wmi_ready_event *evt = d;
8fe59627 287
b8023177
VK		 288 wil->fw_version = le32_to_cpu(evt->sw_version);
289 wil->n_mids = evt->numof_additional_mids;
2be7d22f 290
15e23124
VK		 291 wil_info(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version,
292 evt->mac, wil->n_mids);
2cd0f021 293 /* ignore MAC address, we already have it from the boot loader */
2be7d22f 294 snprintf(wdev->wiphy->fw_version, sizeof(wdev->wiphy->fw_version),
b8023177 295 "%d", wil->fw_version);
2be7d22f
VK		 296}
297
298static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d,
299 int len)
300{
15e23124 301 wil_dbg_wmi(wil, "WMI: got FW ready event\n");
2be7d22f 302
c33407a8 303 wil_set_recovery_state(wil, fw_recovery_idle);
9419b6a2 304 set_bit(wil_status_fwready, wil->status);
59502647 305 /* let the reset sequence continue */
2be7d22f
VK		 306 complete(&wil->wmi_ready);
307}
308
309static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
310{
311 struct wmi_rx_mgmt_packet_event *data = d;
312 struct wiphy *wiphy = wil_to_wiphy(wil);
313 struct ieee80211_mgmt *rx_mgmt_frame =
314 (struct ieee80211_mgmt *)data->payload;
315 int ch_no = data->info.channel+1;
316 u32 freq = ieee80211_channel_to_frequency(ch_no,
317 IEEE80211_BAND_60GHZ);
318 struct ieee80211_channel *channel = ieee80211_get_channel(wiphy, freq);
b8b33a3a 319 s32 signal = data->info.sqi;
2be7d22f
VK		 320 __le16 fc = rx_mgmt_frame->frame_control;
321 u32 d_len = le32_to_cpu(data->info.len);
322 u16 d_status = le16_to_cpu(data->info.status);
323
b8b33a3a
VK		 324 wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d SQI %d%%\n",
325 data->info.channel, data->info.mcs, data->info.snr,
326 data->info.sqi);
f27dbf78
VK		 327 wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
328 le16_to_cpu(fc));
7743882d 329 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
2be7d22f
VK		 330 data->info.qid, data->info.mid, data->info.cid);
331
332 if (!channel) {
333 wil_err(wil, "Frame on unsupported channel\n");
334 return;
335 }
336
337 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
338 struct cfg80211_bss *bss;
8eea944a
VK		 339 u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
340 u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
341 u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
342 const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
343 size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
344 u.beacon.variable);
345 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
346 wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
347 wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
348 wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
349 ie_len, true);
a0f7845b
VK		 350
351 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
352 d_len, signal, GFP_KERNEL);
2be7d22f 353 if (bss) {
7743882d 354 wil_dbg_wmi(wil, "Added BSS %pM\n",
2be7d22f 355 rx_mgmt_frame->bssid);
5b112d3d 356 cfg80211_put_bss(wiphy, bss);
2be7d22f 357 } else {
5bc8c1f2 358 wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
2be7d22f 359 }
102b1d99
VK		 360 } else {
361 cfg80211_rx_mgmt(wil->wdev, freq, signal,
970fdfa8 362 (void *)rx_mgmt_frame, d_len, 0);
2be7d22f
VK		 363 }
364}
365
366static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
367 void *d, int len)
368{
369 if (wil->scan_request) {
370 struct wmi_scan_complete_event *data = d;
6c2faf09 371 bool aborted = (data->status != WMI_SCAN_SUCCESS);
2be7d22f 372
7743882d 373 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
2a91d7d0
VK		 374 wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
375 wil->scan_request, aborted);
376
047e5d74 377 del_timer_sync(&wil->scan_timer);
2be7d22f
VK		 378 cfg80211_scan_done(wil->scan_request, aborted);
379 wil->scan_request = NULL;
380 } else {
381 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
382 }
383}
384
385static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
386{
387 struct net_device *ndev = wil_to_ndev(wil);
388 struct wireless_dev *wdev = wil->wdev;
389 struct wmi_connect_event *evt = d;
390 int ch; /* channel number */
391 struct station_info sinfo;
392 u8 *assoc_req_ie, *assoc_resp_ie;
393 size_t assoc_req_ielen, assoc_resp_ielen;
394 /* capinfo(u16) + listen_interval(u16) + IEs */
395 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
396 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
397 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
398
399 if (len < sizeof(*evt)) {
400 wil_err(wil, "Connect event too short : %d bytes\n", len);
401 return;
402 }
403 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
404 evt->assoc_resp_len) {
405 wil_err(wil,
406 "Connect event corrupted : %d != %d + %d + %d + %d\n",
407 len, (int)sizeof(*evt), evt->beacon_ie_len,
408 evt->assoc_req_len, evt->assoc_resp_len);
409 return;
410 }
3df2cd36
VK		 411 if (evt->cid >= WIL6210_MAX_CID) {
412 wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
413 return;
414 }
415
2be7d22f 416 ch = evt->channel + 1;
7743882d 417 wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n",
2be7d22f 418 evt->bssid, ch, evt->cid);
7743882d 419 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
2be7d22f
VK		 420 evt->assoc_info, len - sizeof(*evt), true);
421
422 /* figure out IE's */
423 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
424 assoc_req_ie_offset];
425 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
426 if (evt->assoc_req_len <= assoc_req_ie_offset) {
427 assoc_req_ie = NULL;
428 assoc_req_ielen = 0;
429 }
430
431 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
432 evt->assoc_req_len +
433 assoc_resp_ie_offset];
434 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
435 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
436 assoc_resp_ie = NULL;
437 assoc_resp_ielen = 0;
438 }
439
440 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
441 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
9419b6a2 442 if (!test_bit(wil_status_fwconnecting, wil->status)) {
2be7d22f
VK		 443 wil_err(wil, "Not in connecting state\n");
444 return;
445 }
446 del_timer_sync(&wil->connect_timer);
447 cfg80211_connect_result(ndev, evt->bssid,
448 assoc_req_ie, assoc_req_ielen,
449 assoc_resp_ie, assoc_resp_ielen,
450 WLAN_STATUS_SUCCESS, GFP_KERNEL);
451
452 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
453 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
454 memset(&sinfo, 0, sizeof(sinfo));
455
456 sinfo.generation = wil->sinfo_gen++;
457
458 if (assoc_req_ie) {
459 sinfo.assoc_req_ies = assoc_req_ie;
460 sinfo.assoc_req_ies_len = assoc_req_ielen;
2be7d22f
VK		 461 }
462
463 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
464 }
9419b6a2
VK		 465 clear_bit(wil_status_fwconnecting, wil->status);
466 set_bit(wil_status_fwconnected, wil->status);
2be7d22f
VK		 467
468 /* FIXME FW can transmit only ucast frames to peer */
469 /* FIXME real ring_id instead of hard coded 0 */
a82553bb 470 ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
3df2cd36 471 wil->sta[evt->cid].status = wil_sta_conn_pending;
2be7d22f
VK		 472
473 wil->pending_connect_cid = evt->cid;
3277213f 474 queue_work(wil->wq_service, &wil->connect_worker);
2be7d22f
VK		 475}
476
477static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
478 void *d, int len)
479{
480 struct wmi_disconnect_event *evt = d;
4821e6d8 481 u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
2be7d22f 482
4821e6d8
VK		 483 wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
484 evt->bssid, reason_code, evt->disconnect_reason);
2be7d22f
VK		 485
486 wil->sinfo_gen++;
487
097638a0 488 mutex_lock(&wil->mutex);
4821e6d8 489 wil6210_disconnect(wil, evt->bssid, reason_code, true);
097638a0 490 mutex_unlock(&wil->mutex);
2be7d22f
VK		 491}
492
2be7d22f
VK		 493/*
494 * Firmware reports EAPOL frame using WME event.
495 * Reconstruct Ethernet frame and deliver it via normal Rx
496 */
497static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
498 void *d, int len)
499{
500 struct net_device *ndev = wil_to_ndev(wil);
501 struct wmi_eapol_rx_event *evt = d;
502 u16 eapol_len = le16_to_cpu(evt->eapol_len);
503 int sz = eapol_len + ETH_HLEN;
504 struct sk_buff *skb;
505 struct ethhdr *eth;
c8b78b5f
VK		 506 int cid;
507 struct wil_net_stats *stats = NULL;
2be7d22f 508
7743882d 509 wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
2be7d22f
VK		 510 evt->src_mac);
511
c8b78b5f
VK		 512 cid = wil_find_cid(wil, evt->src_mac);
513 if (cid >= 0)
514 stats = &wil->sta[cid].stats;
515
2be7d22f
VK		 516 if (eapol_len > 196) { /* TODO: revisit size limit */
517 wil_err(wil, "EAPOL too large\n");
518 return;
519 }
520
521 skb = alloc_skb(sz, GFP_KERNEL);
522 if (!skb) {
523 wil_err(wil, "Failed to allocate skb\n");
524 return;
525 }
c8b78b5f 526
2be7d22f 527 eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
a82553bb
VK		 528 ether_addr_copy(eth->h_dest, ndev->dev_addr);
529 ether_addr_copy(eth->h_source, evt->src_mac);
2be7d22f
VK		 530 eth->h_proto = cpu_to_be16(ETH_P_PAE);
531 memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
532 skb->protocol = eth_type_trans(skb, ndev);
533 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
534 ndev->stats.rx_packets++;
c8b78b5f
VK		 535 ndev->stats.rx_bytes += sz;
536 if (stats) {
537 stats->rx_packets++;
538 stats->rx_bytes += sz;
539 }
2be7d22f
VK		 540 } else {
541 ndev->stats.rx_dropped++;
c8b78b5f
VK		 542 if (stats)
543 stats->rx_dropped++;
2be7d22f
VK		 544 }
545}
546
230d8442 547static void wmi_evt_vring_en(struct wil6210_priv *wil, int id, void *d, int len)
3a124ed6 548{
230d8442
VK		 549 struct wmi_vring_en_event *evt = d;
550 u8 vri = evt->vring_index;
3a124ed6 551
230d8442 552 wil_dbg_wmi(wil, "Enable vring %d\n", vri);
3a124ed6 553
230d8442
VK		 554 if (vri >= ARRAY_SIZE(wil->vring_tx)) {
555 wil_err(wil, "Enable for invalid vring %d\n", vri);
e58c9f70
VK		 556 return;
557 }
230d8442
VK		 558 wil->vring_tx_data[vri].dot1x_open = true;
559 if (vri == wil->bcast_vring) /* no BA for bcast */
e58c9f70 560 return;
230d8442
VK		 561 if (agg_wsize >= 0)
562 wil_addba_tx_request(wil, vri, agg_wsize);
3442a504
VK		 563}
564
249a382b
VK		 565static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
566 int len)
567{
568 struct wmi_vring_ba_status_event *evt = d;
3277213f 569 struct vring_tx_data *txdata;
249a382b 570
cbcf5866 571 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
7b05b0ab
VK		 572 evt->ringid,
573 evt->status == WMI_BA_AGREED ? "OK" : "N/A",
cbcf5866
VK		 574 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
575 evt->amsdu ? "+" : "-");
7b05b0ab
VK		 576
577 if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
578 wil_err(wil, "invalid ring id %d\n", evt->ringid);
579 return;
b4490f42
VK		 580 }
581
3277213f
VK		 582 if (evt->status != WMI_BA_AGREED) {
583 evt->ba_timeout = 0;
584 evt->agg_wsize = 0;
cbcf5866 585 evt->amsdu = 0;
7b05b0ab
VK		 586 }
587
3277213f 588 txdata = &wil->vring_tx_data[evt->ringid];
ec81b5ad 589
3277213f
VK		 590 txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
591 txdata->agg_wsize = evt->agg_wsize;
cbcf5866 592 txdata->agg_amsdu = evt->amsdu;
3a124ed6 593 txdata->addba_in_progress = false;
3277213f 594}
ec81b5ad 595
3277213f
VK		 596static void wmi_evt_addba_rx_req(struct wil6210_priv *wil, int id, void *d,
597 int len)
598{
599 struct wmi_rcp_addba_req_event *evt = d;
ec81b5ad 600
3277213f
VK		 601 wil_addba_rx_request(wil, evt->cidxtid, evt->dialog_token,
602 evt->ba_param_set, evt->ba_timeout,
603 evt->ba_seq_ctrl);
604}
ec81b5ad 605
3277213f 606static void wmi_evt_delba(struct wil6210_priv *wil, int id, void *d, int len)
bd33273b 607__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
3277213f
VK		 608{
609 struct wmi_delba_event *evt = d;
610 u8 cid, tid;
611 u16 reason = __le16_to_cpu(evt->reason);
612 struct wil_sta_info *sta;
613 struct wil_tid_ampdu_rx *r;
3277213f 614
bd33273b 615 might_sleep();
3277213f
VK		 616 parse_cidxtid(evt->cidxtid, &cid, &tid);
617 wil_dbg_wmi(wil, "DELBA CID %d TID %d from %s reason %d\n",
618 cid, tid,
619 evt->from_initiator ? "originator" : "recipient",
620 reason);
621 if (!evt->from_initiator) {
622 int i;
623 /* find Tx vring it belongs to */
624 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
625 if ((wil->vring2cid_tid[i][0] == cid) &&
626 (wil->vring2cid_tid[i][1] == tid)) {
627 struct vring_tx_data *txdata =
628 &wil->vring_tx_data[i];
629
630 wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
631 txdata->agg_timeout = 0;
632 txdata->agg_wsize = 0;
3a124ed6 633 txdata->addba_in_progress = false;
3277213f
VK		 634
635 break; /* max. 1 matching ring */
636 }
637 }
638 if (i >= ARRAY_SIZE(wil->vring2cid_tid))
639 wil_err(wil, "DELBA: unable to find Tx vring\n");
640 return;
7b05b0ab 641 }
8c86f757 642
3277213f
VK		 643 sta = &wil->sta[cid];
644
bd33273b 645 spin_lock_bh(&sta->tid_rx_lock);
3277213f
VK		 646
647 r = sta->tid_rx[tid];
648 sta->tid_rx[tid] = NULL;
649 wil_tid_ampdu_rx_free(wil, r);
650
bd33273b 651 spin_unlock_bh(&sta->tid_rx_lock);
249a382b
VK		 652}
653
2be7d22f
VK		 654static const struct {
655 int eventid;
656 void (*handler)(struct wil6210_priv *wil, int eventid,
657 void *data, int data_len);
658} wmi_evt_handlers[] = {
659 {WMI_READY_EVENTID, wmi_evt_ready},
660 {WMI_FW_READY_EVENTID, wmi_evt_fw_ready},
661 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
662 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
663 {WMI_CONNECT_EVENTID, wmi_evt_connect},
664 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
2be7d22f 665 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
249a382b 666 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
3277213f
VK		 667 {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
668 {WMI_DELBA_EVENTID, wmi_evt_delba},
230d8442 669 {WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
2be7d22f
VK		 670};
671
672/*
673 * Run in IRQ context
674 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
675 * that will be eventually handled by the @wmi_event_worker in the thread
676 * context of thread "wil6210_wmi"
677 */
678void wmi_recv_cmd(struct wil6210_priv *wil)
679{
680 struct wil6210_mbox_ring_desc d_tail;
681 struct wil6210_mbox_hdr hdr;
682 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
683 struct pending_wmi_event *evt;
684 u8 *cmd;
685 void __iomem *src;
686 ulong flags;
a715c7dd 687 unsigned n;
2be7d22f 688
9419b6a2 689 if (!test_bit(wil_status_reset_done, wil->status)) {
4cf99c93 690 wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
55f7acdd
VK		 691 return;
692 }
693
a715c7dd 694 for (n = 0;; n++) {
2be7d22f 695 u16 len;
95266dc0 696 bool q;
2be7d22f
VK		 697
698 r->head = ioread32(wil->csr + HOST_MBOX +
699 offsetof(struct wil6210_mbox_ctl, rx.head));
95266dc0
VK		 700 if (r->tail == r->head)
701 break;
2be7d22f 702
a715c7dd
VK		 703 wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
704 r->head, r->tail);
705 /* read cmd descriptor from tail */
2be7d22f
VK		 706 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
707 sizeof(struct wil6210_mbox_ring_desc));
708 if (d_tail.sync == 0) {
709 wil_err(wil, "Mbox evt not owned by FW?\n");
95266dc0 710 break;
2be7d22f
VK		 711 }
712
a715c7dd 713 /* read cmd header from descriptor */
2be7d22f
VK		 714 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
715 wil_err(wil, "Mbox evt at 0x%08x?\n",
716 le32_to_cpu(d_tail.addr));
95266dc0 717 break;
2be7d22f 718 }
2be7d22f 719 len = le16_to_cpu(hdr.len);
a715c7dd
VK		 720 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
721 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
722 hdr.flags);
723
724 /* read cmd buffer from descriptor */
2be7d22f
VK		 725 src = wmi_buffer(wil, d_tail.addr) +
726 sizeof(struct wil6210_mbox_hdr);
727 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
728 event.wmi) + len, 4),
729 GFP_KERNEL);
14f8dc49 730 if (!evt)
95266dc0 731 break;
14f8dc49 732
2be7d22f
VK		 733 evt->event.hdr = hdr;
734 cmd = (void *)&evt->event.wmi;
735 wil_memcpy_fromio_32(cmd, src, len);
736 /* mark entry as empty */
737 iowrite32(0, wil->csr + HOSTADDR(r->tail) +
738 offsetof(struct wil6210_mbox_ring_desc, sync));
739 /* indicate */
2be7d22f
VK		 740 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
741 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
f988b23f
VK		 742 struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi;
743 u16 id = le16_to_cpu(wmi->id);
744 u32 tstamp = le32_to_cpu(wmi->timestamp);
8fe59627 745
f988b23f
VK		 746 wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
747 id, wmi->mid, tstamp);
748 trace_wil6210_wmi_event(wmi, &wmi[1],
749 len - sizeof(*wmi));
2be7d22f 750 }
7743882d 751 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
2be7d22f
VK		 752 &evt->event.hdr, sizeof(hdr) + len, true);
753
754 /* advance tail */
755 r->tail = r->base + ((r->tail - r->base +
756 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
757 iowrite32(r->tail, wil->csr + HOST_MBOX +
758 offsetof(struct wil6210_mbox_ctl, rx.tail));
759
760 /* add to the pending list */
761 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
762 list_add_tail(&evt->list, &wil->pending_wmi_ev);
763 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
95266dc0
VK		 764 q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
765 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
2be7d22f 766 }
95266dc0
VK		 767 /* normally, 1 event per IRQ should be processed */
768 wil_dbg_wmi(wil, "%s -> %d events queued\n", __func__, n);
2be7d22f
VK		 769}
770
771int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
772 u16 reply_id, void *reply, u8 reply_size, int to_msec)
773{
774 int rc;
775 int remain;
776
777 mutex_lock(&wil->wmi_mutex);
778
779 rc = __wmi_send(wil, cmdid, buf, len);
780 if (rc)
781 goto out;
782
783 wil->reply_id = reply_id;
784 wil->reply_buf = reply;
785 wil->reply_size = reply_size;
59502647
DL		 786 remain = wait_for_completion_timeout(&wil->wmi_call,
787 msecs_to_jiffies(to_msec));
2be7d22f
VK		 788 if (0 == remain) {
789 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
790 cmdid, reply_id, to_msec);
791 rc = -ETIME;
792 } else {
7743882d 793 wil_dbg_wmi(wil,
2be7d22f
VK		 794 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
795 cmdid, reply_id,
796 to_msec - jiffies_to_msecs(remain));
797 }
798 wil->reply_id = 0;
799 wil->reply_buf = NULL;
800 wil->reply_size = 0;
801 out:
802 mutex_unlock(&wil->wmi_mutex);
803
804 return rc;
805}
806
807int wmi_echo(struct wil6210_priv *wil)
808{
809 struct wmi_echo_cmd cmd = {
810 .value = cpu_to_le32(0x12345678),
811 };
812
813 return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
a54a40da 814 WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
2be7d22f
VK		 815}
816
817int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
818{
819 struct wmi_set_mac_address_cmd cmd;
820
a82553bb 821 ether_addr_copy(cmd.mac, addr);
2be7d22f 822
7743882d 823 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
2be7d22f
VK		 824
825 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
826}
827
8e52fe30
HK		 828int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
829 u8 chan, u8 hidden_ssid)
2be7d22f 830{
b8023177
VK		 831 int rc;
832
833 struct wmi_pcp_start_cmd cmd = {
2be7d22f
VK		 834 .bcon_interval = cpu_to_le16(bi),
835 .network_type = wmi_nettype,
836 .disable_sec_offload = 1,
adc2d122 837 .channel = chan - 1,
1eb9d1e5 838 .pcp_max_assoc_sta = max_assoc_sta,
8e52fe30 839 .hidden_ssid = hidden_ssid,
2be7d22f 840 };
b8023177
VK		 841 struct {
842 struct wil6210_mbox_hdr_wmi wmi;
843 struct wmi_pcp_started_event evt;
844 } __packed reply;
2be7d22f 845
774974e5 846 if (!wil->privacy)
2be7d22f
VK		 847 cmd.disable_sec = 1;
848
1eb9d1e5
DL		 849 if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
850 (cmd.pcp_max_assoc_sta <= 0)) {
851 wil_info(wil,
852 "Requested connection limit %u, valid values are 1 - %d. Setting to %d\n",
853 max_assoc_sta, WIL6210_MAX_CID, WIL6210_MAX_CID);
854 cmd.pcp_max_assoc_sta = WIL6210_MAX_CID;
855 }
856
8b5c7f6c
VK		 857 /*
858 * Processing time may be huge, in case of secure AP it takes about
859 * 3500ms for FW to start AP
860 */
b8023177 861 rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
8b5c7f6c 862 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
b8023177
VK		 863 if (rc)
864 return rc;
865
866 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
867 rc = -EINVAL;
868
869 return rc;
870}
871
872int wmi_pcp_stop(struct wil6210_priv *wil)
873{
874 return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
875 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
2be7d22f
VK		 876}
877
878int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
879{
880 struct wmi_set_ssid_cmd cmd = {
881 .ssid_len = cpu_to_le32(ssid_len),
882 };
883
884 if (ssid_len > sizeof(cmd.ssid))
885 return -EINVAL;
886
887 memcpy(cmd.ssid, ssid, ssid_len);
888
889 return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
890}
891
892int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
893{
894 int rc;
895 struct {
896 struct wil6210_mbox_hdr_wmi wmi;
897 struct wmi_set_ssid_cmd cmd;
898 } __packed reply;
899 int len; /* reply.cmd.ssid_len in CPU order */
900
901 rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
902 &reply, sizeof(reply), 20);
903 if (rc)
904 return rc;
905
906 len = le32_to_cpu(reply.cmd.ssid_len);
907 if (len > sizeof(reply.cmd.ssid))
908 return -EINVAL;
909
910 *ssid_len = len;
911 memcpy(ssid, reply.cmd.ssid, len);
912
913 return 0;
914}
915
916int wmi_set_channel(struct wil6210_priv *wil, int channel)
917{
918 struct wmi_set_pcp_channel_cmd cmd = {
919 .channel = channel - 1,
920 };
921
922 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
923}
924
925int wmi_get_channel(struct wil6210_priv *wil, int *channel)
926{
927 int rc;
928 struct {
929 struct wil6210_mbox_hdr_wmi wmi;
930 struct wmi_set_pcp_channel_cmd cmd;
931 } __packed reply;
932
933 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
934 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
935 if (rc)
936 return rc;
937
938 if (reply.cmd.channel > 3)
939 return -EINVAL;
940
941 *channel = reply.cmd.channel + 1;
942
943 return 0;
944}
945
b8023177
VK		 946int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
947{
948 struct wmi_p2p_cfg_cmd cmd = {
949 .discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD,
950 .channel = channel - 1,
951 };
952
953 return wmi_send(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd));
954}
955
2be7d22f 956int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
230d8442 957 const void *mac_addr, int key_usage)
2be7d22f
VK		 958{
959 struct wmi_delete_cipher_key_cmd cmd = {
960 .key_index = key_index,
961 };
962
963 if (mac_addr)
964 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
965
966 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
967}
968
969int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
230d8442
VK		 970 const void *mac_addr, int key_len, const void *key,
971 int key_usage)
2be7d22f
VK		 972{
973 struct wmi_add_cipher_key_cmd cmd = {
974 .key_index = key_index,
230d8442 975 .key_usage = key_usage,
2be7d22f
VK		 976 .key_len = key_len,
977 };
978
979 if (!key || (key_len > sizeof(cmd.key)))
980 return -EINVAL;
981
982 memcpy(cmd.key, key, key_len);
983 if (mac_addr)
984 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
985
986 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
987}
988
989int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
990{
991 int rc;
992 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
993 struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
8fe59627 994
14f8dc49 995 if (!cmd)
2be7d22f 996 return -ENOMEM;
ac4acdb7
VK		 997 if (!ie)
998 ie_len = 0;
2be7d22f
VK		 999
1000 cmd->mgmt_frm_type = type;
1001 /* BUG: FW API define ieLen as u8. Will fix FW */
1002 cmd->ie_len = cpu_to_le16(ie_len);
1003 memcpy(cmd->ie_info, ie, ie_len);
03866e7d 1004 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
2be7d22f
VK		 1005 kfree(cmd);
1006
1007 return rc;
1008}
1009
1647f12f
VK		 1010/**
1011 * wmi_rxon - turn radio on/off
1012 * @on: turn on if true, off otherwise
1013 *
1014 * Only switch radio. Channel should be set separately.
1015 * No timeout for rxon - radio turned on forever unless some other call
1016 * turns it off
1017 */
1018int wmi_rxon(struct wil6210_priv *wil, bool on)
1019{
1020 int rc;
1021 struct {
1022 struct wil6210_mbox_hdr_wmi wmi;
1023 struct wmi_listen_started_event evt;
1024 } __packed reply;
1025
1026 wil_info(wil, "%s(%s)\n", __func__, on ? "on" : "off");
1027
1028 if (on) {
1029 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
1030 WMI_LISTEN_STARTED_EVENTID,
1031 &reply, sizeof(reply), 100);
1032 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
1033 rc = -EINVAL;
1034 } else {
1035 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
1036 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
1037 }
1038
1039 return rc;
1040}
1041
47e19af9
VK		 1042int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
1043{
1044 struct wireless_dev *wdev = wil->wdev;
1045 struct net_device *ndev = wil_to_ndev(wil);
1046 struct wmi_cfg_rx_chain_cmd cmd = {
1047 .action = WMI_RX_CHAIN_ADD,
1048 .rx_sw_ring = {
c44690a1 1049 .max_mpdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
47e19af9
VK		 1050 .ring_mem_base = cpu_to_le64(vring->pa),
1051 .ring_size = cpu_to_le16(vring->size),
1052 },
1053 .mid = 0, /* TODO - what is it? */
1054 .decap_trans_type = WMI_DECAP_TYPE_802_3,
b4490f42 1055 .reorder_type = WMI_RX_SW_REORDER,
ab954628 1056 .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
47e19af9
VK		 1057 };
1058 struct {
1059 struct wil6210_mbox_hdr_wmi wmi;
1060 struct wmi_cfg_rx_chain_done_event evt;
1061 } __packed evt;
1062 int rc;
1063
1064 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
1065 struct ieee80211_channel *ch = wdev->preset_chandef.chan;
1066
1067 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
1068 if (ch)
1069 cmd.sniffer_cfg.channel = ch->hw_value - 1;
1070 cmd.sniffer_cfg.phy_info_mode =
1071 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
1072 cmd.sniffer_cfg.phy_support =
1073 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
1074 ? WMI_SNIFFER_CP : WMI_SNIFFER_DP);
504937d4
KE		 1075 } else {
1076 /* Initialize offload (in non-sniffer mode).
1077 * Linux IP stack always calculates IP checksum
1078 * HW always calculate TCP/UDP checksum
1079 */
1080 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
47e19af9 1081 }
c406ea7c
VK		 1082
1083 if (rx_align_2)
1084 cmd.l2_802_3_offload_ctrl |=
1085 L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
1086
47e19af9
VK		 1087 /* typical time for secure PCP is 840ms */
1088 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
1089 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
1090 if (rc)
1091 return rc;
1092
1093 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
1094
7743882d 1095 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
47e19af9
VK		 1096 le32_to_cpu(evt.evt.status), vring->hwtail);
1097
1098 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
1099 rc = -EINVAL;
1100
1101 return rc;
1102}
1103
8c679675 1104int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
1a2780e0
VK		 1105{
1106 int rc;
1107 struct wmi_temp_sense_cmd cmd = {
8c679675
VK		 1108 .measure_baseband_en = cpu_to_le32(!!t_bb),
1109 .measure_rf_en = cpu_to_le32(!!t_rf),
1110 .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
1a2780e0
VK		 1111 };
1112 struct {
1113 struct wil6210_mbox_hdr_wmi wmi;
1114 struct wmi_temp_sense_done_event evt;
1115 } __packed reply;
1116
1117 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
1118 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
1119 if (rc)
1120 return rc;
1121
8c679675
VK		 1122 if (t_bb)
1123 *t_bb = le32_to_cpu(reply.evt.baseband_t1000);
1124 if (t_rf)
1125 *t_rf = le32_to_cpu(reply.evt.rf_t1000);
1a2780e0
VK		 1126
1127 return 0;
1128}
1129
4d55a0a1
VK		 1130int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)
1131{
3e9191fc
VK		 1132 int rc;
1133 u16 reason_code;
4d55a0a1
VK		 1134 struct wmi_disconnect_sta_cmd cmd = {
1135 .disconnect_reason = cpu_to_le16(reason),
1136 };
3e9191fc
VK		 1137 struct {
1138 struct wil6210_mbox_hdr_wmi wmi;
1139 struct wmi_disconnect_event evt;
1140 } __packed reply;
a82553bb
VK		 1141
1142 ether_addr_copy(cmd.dst_mac, mac);
4d55a0a1
VK		 1143
1144 wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
1145
3e9191fc
VK		 1146 rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd),
1147 WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 1000);
1148 /* failure to disconnect in reasonable time treated as FW error */
1149 if (rc) {
1150 wil_fw_error_recovery(wil);
1151 return rc;
1152 }
1153
1154 /* call event handler manually after processing wmi_call,
1155 * to avoid deadlock - disconnect event handler acquires wil->mutex
1156 * while it is already held here
1157 */
1158 reason_code = le16_to_cpu(reply.evt.protocol_reason_status);
1159
1160 wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
1161 reply.evt.bssid, reason_code,
1162 reply.evt.disconnect_reason);
1163
1164 wil->sinfo_gen++;
1165 wil6210_disconnect(wil, reply.evt.bssid, reason_code, true);
1166
1167 return 0;
4d55a0a1
VK		 1168}
1169
3277213f
VK		 1170int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout)
1171{
1172 struct wmi_vring_ba_en_cmd cmd = {
1173 .ringid = ringid,
1174 .agg_max_wsize = size,
1175 .ba_timeout = cpu_to_le16(timeout),
cbcf5866 1176 .amsdu = 0,
3277213f
VK		 1177 };
1178
1179 wil_dbg_wmi(wil, "%s(ring %d size %d timeout %d)\n", __func__,
1180 ringid, size, timeout);
1181
1182 return wmi_send(wil, WMI_VRING_BA_EN_CMDID, &cmd, sizeof(cmd));
1183}
1184
26a359d9 1185int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason)
3277213f
VK		 1186{
1187 struct wmi_vring_ba_dis_cmd cmd = {
1188 .ringid = ringid,
1189 .reason = cpu_to_le16(reason),
1190 };
1191
1192 wil_dbg_wmi(wil, "%s(ring %d reason %d)\n", __func__,
1193 ringid, reason);
1194
1195 return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, &cmd, sizeof(cmd));
1196}
1197
26a359d9
VK		 1198int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason)
1199{
1200 struct wmi_rcp_delba_cmd cmd = {
1201 .cidxtid = cidxtid,
1202 .reason = cpu_to_le16(reason),
1203 };
1204
1205 wil_dbg_wmi(wil, "%s(CID %d TID %d reason %d)\n", __func__,
1206 cidxtid & 0xf, (cidxtid >> 4) & 0xf, reason);
1207
1208 return wmi_send(wil, WMI_RCP_DELBA_CMDID, &cmd, sizeof(cmd));
1209}
1210
3277213f
VK		 1211int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
1212 u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
1213{
1214 int rc;
1215 struct wmi_rcp_addba_resp_cmd cmd = {
1216 .cidxtid = mk_cidxtid(cid, tid),
1217 .dialog_token = token,
1218 .status_code = cpu_to_le16(status),
1219 /* bit 0: A-MSDU supported
1220 * bit 1: policy (should be 0 for us)
1221 * bits 2..5: TID
1222 * bits 6..15: buffer size
1223 */
1224 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
1225 (agg_wsize << 6)),
1226 .ba_timeout = cpu_to_le16(timeout),
1227 };
1228 struct {
1229 struct wil6210_mbox_hdr_wmi wmi;
1230 struct wmi_rcp_addba_resp_sent_event evt;
1231 } __packed reply;
1232
1233 wil_dbg_wmi(wil,
1234 "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
1235 cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-");
1236
1237 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, &cmd, sizeof(cmd),
230d8442
VK		 1238 WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
1239 100);
3277213f
VK		 1240 if (rc)
1241 return rc;
1242
1243 if (reply.evt.status) {
1244 wil_err(wil, "ADDBA response failed with status %d\n",
1245 le16_to_cpu(reply.evt.status));
1246 rc = -EINVAL;
1247 }
1248
1249 return rc;
1250}
1251
2be7d22f
VK		 1252void wmi_event_flush(struct wil6210_priv *wil)
1253{
1254 struct pending_wmi_event *evt, *t;
1255
7743882d 1256 wil_dbg_wmi(wil, "%s()\n", __func__);
2be7d22f
VK		 1257
1258 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
1259 list_del(&evt->list);
1260 kfree(evt);
1261 }
1262}
1263
1264static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
1265 void *d, int len)
1266{
1267 uint i;
1268
1269 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
1270 if (wmi_evt_handlers[i].eventid == id) {
1271 wmi_evt_handlers[i].handler(wil, id, d, len);
1272 return true;
1273 }
1274 }
1275
1276 return false;
1277}
1278
1279static void wmi_event_handle(struct wil6210_priv *wil,
1280 struct wil6210_mbox_hdr *hdr)
1281{
1282 u16 len = le16_to_cpu(hdr->len);
1283
1284 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
1285 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
1286 struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
1287 void *evt_data = (void *)(&wmi[1]);
1288 u16 id = le16_to_cpu(wmi->id);
028e1836
VK		 1289
1290 wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n",
1291 id, wil->reply_id);
2be7d22f
VK		 1292 /* check if someone waits for this event */
1293 if (wil->reply_id && wil->reply_id == id) {
1294 if (wil->reply_buf) {
1295 memcpy(wil->reply_buf, wmi,
1296 min(len, wil->reply_size));
1297 } else {
1298 wmi_evt_call_handler(wil, id, evt_data,
1299 len - sizeof(*wmi));
1300 }
7743882d 1301 wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
59502647 1302 complete(&wil->wmi_call);
2be7d22f
VK		 1303 return;
1304 }
1305 /* unsolicited event */
1306 /* search for handler */
1307 if (!wmi_evt_call_handler(wil, id, evt_data,
1308 len - sizeof(*wmi))) {
1309 wil_err(wil, "Unhandled event 0x%04x\n", id);
1310 }
1311 } else {
1312 wil_err(wil, "Unknown event type\n");
1313 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
1314 hdr, sizeof(*hdr) + len, true);
1315 }
1316}
1317
1318/*
1319 * Retrieve next WMI event from the pending list
1320 */
1321static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
1322{
1323 ulong flags;
1324 struct list_head *ret = NULL;
1325
1326 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1327
1328 if (!list_empty(&wil->pending_wmi_ev)) {
1329 ret = wil->pending_wmi_ev.next;
1330 list_del(ret);
1331 }
1332
1333 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1334
1335 return ret;
1336}
1337
1338/*
1339 * Handler for the WMI events
1340 */
1341void wmi_event_worker(struct work_struct *work)
1342{
1343 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1344 wmi_event_worker);
1345 struct pending_wmi_event *evt;
1346 struct list_head *lh;
1347
028e1836 1348 wil_dbg_wmi(wil, "Start %s\n", __func__);
2be7d22f
VK		 1349 while ((lh = next_wmi_ev(wil)) != NULL) {
1350 evt = list_entry(lh, struct pending_wmi_event, list);
1351 wmi_event_handle(wil, &evt->event.hdr);
1352 kfree(evt);
1353 }
028e1836 1354 wil_dbg_wmi(wil, "Finished %s\n", __func__);
2be7d22f 1355}
Linux kernel - Deliverables
This page took 0.33486 seconds and 5 git commands to generate.