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wil6210: Add pmc debug mechanism memory management
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / wmi.c
CommitLineData
2be7d22f 1/*
02525a79 2 * Copyright (c) 2012-2014 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
VK		 87 {0x88b000, 0x88c000, 0x88b000, "rgf_ext"}, /* Pcie_ext_rgf 4k */
88 {0x8c0000, 0x949000, 0x8c0000, "upper"}, /* upper area 548k */
2be7d22f
VK		 89 /*
90 * 920000..930000 ucode code RAM
91 * 930000..932000 ucode data RAM
af6b48db 92 * 932000..949000 back-door debug data
2be7d22f
VK		 93 */
94};
95
96/**
97 * return AHB address for given firmware/ucode internal (linker) address
98 * @x - internal address
99 * If address have no valid AHB mapping, return 0
100 */
101static u32 wmi_addr_remap(u32 x)
102{
103 uint i;
104
105 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
106 if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
107 return x + fw_mapping[i].host - fw_mapping[i].from;
108 }
109
110 return 0;
111}
112
113/**
114 * Check address validity for WMI buffer; remap if needed
115 * @ptr - internal (linker) fw/ucode address
116 *
117 * Valid buffer should be DWORD aligned
118 *
119 * return address for accessing buffer from the host;
120 * if buffer is not valid, return NULL.
121 */
122void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
123{
124 u32 off;
125 u32 ptr = le32_to_cpu(ptr_);
126
127 if (ptr % 4)
128 return NULL;
129
130 ptr = wmi_addr_remap(ptr);
131 if (ptr < WIL6210_FW_HOST_OFF)
132 return NULL;
133
134 off = HOSTADDR(ptr);
135 if (off > WIL6210_MEM_SIZE - 4)
136 return NULL;
137
138 return wil->csr + off;
139}
140
141/**
142 * Check address validity
143 */
144void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
145{
146 u32 off;
147
148 if (ptr % 4)
149 return NULL;
150
151 if (ptr < WIL6210_FW_HOST_OFF)
152 return NULL;
153
154 off = HOSTADDR(ptr);
155 if (off > WIL6210_MEM_SIZE - 4)
156 return NULL;
157
158 return wil->csr + off;
159}
160
161int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
162 struct wil6210_mbox_hdr *hdr)
163{
164 void __iomem *src = wmi_buffer(wil, ptr);
8fe59627 165
2be7d22f
VK		 166 if (!src)
167 return -EINVAL;
168
169 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
170
171 return 0;
172}
173
174static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
175{
176 struct {
177 struct wil6210_mbox_hdr hdr;
178 struct wil6210_mbox_hdr_wmi wmi;
179 } __packed cmd = {
180 .hdr = {
181 .type = WIL_MBOX_HDR_TYPE_WMI,
182 .flags = 0,
183 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
184 },
185 .wmi = {
f988b23f 186 .mid = 0,
2be7d22f 187 .id = cpu_to_le16(cmdid),
2be7d22f
VK		 188 },
189 };
190 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
191 struct wil6210_mbox_ring_desc d_head;
192 u32 next_head;
193 void __iomem *dst;
194 void __iomem *head = wmi_addr(wil, r->head);
195 uint retry;
196
197 if (sizeof(cmd) + len > r->entry_size) {
198 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
199 (int)(sizeof(cmd) + len), r->entry_size);
200 return -ERANGE;
2be7d22f
VK		 201 }
202
203 might_sleep();
204
9419b6a2 205 if (!test_bit(wil_status_fwready, wil->status)) {
15e23124 206 wil_err(wil, "WMI: cannot send command while FW not ready\n");
2be7d22f
VK		 207 return -EAGAIN;
208 }
209
210 if (!head) {
211 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
212 return -EINVAL;
213 }
214 /* read Tx head till it is not busy */
215 for (retry = 5; retry > 0; retry--) {
216 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
217 if (d_head.sync == 0)
218 break;
219 msleep(20);
220 }
221 if (d_head.sync != 0) {
222 wil_err(wil, "WMI head busy\n");
223 return -EBUSY;
224 }
225 /* next head */
226 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
7743882d 227 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
2be7d22f
VK		 228 /* wait till FW finish with previous command */
229 for (retry = 5; retry > 0; retry--) {
230 r->tail = ioread32(wil->csr + HOST_MBOX +
231 offsetof(struct wil6210_mbox_ctl, tx.tail));
232 if (next_head != r->tail)
233 break;
234 msleep(20);
235 }
236 if (next_head == r->tail) {
237 wil_err(wil, "WMI ring full\n");
238 return -EBUSY;
239 }
240 dst = wmi_buffer(wil, d_head.addr);
241 if (!dst) {
242 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
243 le32_to_cpu(d_head.addr));
244 return -EINVAL;
245 }
246 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
247 /* set command */
7743882d
VK		 248 wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
249 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
2be7d22f 250 sizeof(cmd), true);
7743882d 251 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
2be7d22f
VK		 252 len, true);
253 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
254 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
255 /* mark entry as full */
256 iowrite32(1, wil->csr + HOSTADDR(r->head) +
257 offsetof(struct wil6210_mbox_ring_desc, sync));
258 /* advance next ptr */
259 iowrite32(r->head = next_head, wil->csr + HOST_MBOX +
260 offsetof(struct wil6210_mbox_ctl, tx.head));
261
f988b23f 262 trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
98658095 263
2be7d22f
VK		 264 /* interrupt to FW */
265 iowrite32(SW_INT_MBOX, wil->csr + HOST_SW_INT);
266
267 return 0;
268}
269
270int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
271{
272 int rc;
273
274 mutex_lock(&wil->wmi_mutex);
275 rc = __wmi_send(wil, cmdid, buf, len);
276 mutex_unlock(&wil->wmi_mutex);
277
278 return rc;
279}
280
281/*=== Event handlers ===*/
282static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
283{
2be7d22f
VK		 284 struct wireless_dev *wdev = wil->wdev;
285 struct wmi_ready_event *evt = d;
8fe59627 286
b8023177
VK		 287 wil->fw_version = le32_to_cpu(evt->sw_version);
288 wil->n_mids = evt->numof_additional_mids;
2be7d22f 289
15e23124
VK		 290 wil_info(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version,
291 evt->mac, wil->n_mids);
2cd0f021 292 /* ignore MAC address, we already have it from the boot loader */
2be7d22f 293 snprintf(wdev->wiphy->fw_version, sizeof(wdev->wiphy->fw_version),
b8023177 294 "%d", wil->fw_version);
2be7d22f
VK		 295}
296
297static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d,
298 int len)
299{
15e23124 300 wil_dbg_wmi(wil, "WMI: got FW ready event\n");
2be7d22f 301
c33407a8 302 wil_set_recovery_state(wil, fw_recovery_idle);
9419b6a2 303 set_bit(wil_status_fwready, wil->status);
59502647 304 /* let the reset sequence continue */
2be7d22f
VK		 305 complete(&wil->wmi_ready);
306}
307
308static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
309{
310 struct wmi_rx_mgmt_packet_event *data = d;
311 struct wiphy *wiphy = wil_to_wiphy(wil);
312 struct ieee80211_mgmt *rx_mgmt_frame =
313 (struct ieee80211_mgmt *)data->payload;
314 int ch_no = data->info.channel+1;
315 u32 freq = ieee80211_channel_to_frequency(ch_no,
316 IEEE80211_BAND_60GHZ);
317 struct ieee80211_channel *channel = ieee80211_get_channel(wiphy, freq);
b8b33a3a 318 s32 signal = data->info.sqi;
2be7d22f
VK		 319 __le16 fc = rx_mgmt_frame->frame_control;
320 u32 d_len = le32_to_cpu(data->info.len);
321 u16 d_status = le16_to_cpu(data->info.status);
322
b8b33a3a
VK		 323 wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d SQI %d%%\n",
324 data->info.channel, data->info.mcs, data->info.snr,
325 data->info.sqi);
f27dbf78
VK		 326 wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
327 le16_to_cpu(fc));
7743882d 328 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
2be7d22f
VK		 329 data->info.qid, data->info.mid, data->info.cid);
330
331 if (!channel) {
332 wil_err(wil, "Frame on unsupported channel\n");
333 return;
334 }
335
336 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
337 struct cfg80211_bss *bss;
8eea944a
VK		 338 u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
339 u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
340 u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
341 const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
342 size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
343 u.beacon.variable);
344 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
345 wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
346 wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
347 wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
348 ie_len, true);
a0f7845b
VK		 349
350 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
351 d_len, signal, GFP_KERNEL);
2be7d22f 352 if (bss) {
7743882d 353 wil_dbg_wmi(wil, "Added BSS %pM\n",
2be7d22f 354 rx_mgmt_frame->bssid);
5b112d3d 355 cfg80211_put_bss(wiphy, bss);
2be7d22f 356 } else {
5bc8c1f2 357 wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
2be7d22f 358 }
102b1d99
VK		 359 } else {
360 cfg80211_rx_mgmt(wil->wdev, freq, signal,
970fdfa8 361 (void *)rx_mgmt_frame, d_len, 0);
2be7d22f
VK		 362 }
363}
364
365static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
366 void *d, int len)
367{
368 if (wil->scan_request) {
369 struct wmi_scan_complete_event *data = d;
6c2faf09 370 bool aborted = (data->status != WMI_SCAN_SUCCESS);
2be7d22f 371
7743882d 372 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
2a91d7d0
VK		 373 wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
374 wil->scan_request, aborted);
375
047e5d74 376 del_timer_sync(&wil->scan_timer);
2be7d22f
VK		 377 cfg80211_scan_done(wil->scan_request, aborted);
378 wil->scan_request = NULL;
379 } else {
380 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
381 }
382}
383
384static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
385{
386 struct net_device *ndev = wil_to_ndev(wil);
387 struct wireless_dev *wdev = wil->wdev;
388 struct wmi_connect_event *evt = d;
389 int ch; /* channel number */
390 struct station_info sinfo;
391 u8 *assoc_req_ie, *assoc_resp_ie;
392 size_t assoc_req_ielen, assoc_resp_ielen;
393 /* capinfo(u16) + listen_interval(u16) + IEs */
394 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
395 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
396 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
397
398 if (len < sizeof(*evt)) {
399 wil_err(wil, "Connect event too short : %d bytes\n", len);
400 return;
401 }
402 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
403 evt->assoc_resp_len) {
404 wil_err(wil,
405 "Connect event corrupted : %d != %d + %d + %d + %d\n",
406 len, (int)sizeof(*evt), evt->beacon_ie_len,
407 evt->assoc_req_len, evt->assoc_resp_len);
408 return;
409 }
3df2cd36
VK		 410 if (evt->cid >= WIL6210_MAX_CID) {
411 wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
412 return;
413 }
414
2be7d22f 415 ch = evt->channel + 1;
7743882d 416 wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n",
2be7d22f 417 evt->bssid, ch, evt->cid);
7743882d 418 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
2be7d22f
VK		 419 evt->assoc_info, len - sizeof(*evt), true);
420
421 /* figure out IE's */
422 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
423 assoc_req_ie_offset];
424 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
425 if (evt->assoc_req_len <= assoc_req_ie_offset) {
426 assoc_req_ie = NULL;
427 assoc_req_ielen = 0;
428 }
429
430 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
431 evt->assoc_req_len +
432 assoc_resp_ie_offset];
433 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
434 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
435 assoc_resp_ie = NULL;
436 assoc_resp_ielen = 0;
437 }
438
439 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
440 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
9419b6a2 441 if (!test_bit(wil_status_fwconnecting, wil->status)) {
2be7d22f
VK		 442 wil_err(wil, "Not in connecting state\n");
443 return;
444 }
445 del_timer_sync(&wil->connect_timer);
446 cfg80211_connect_result(ndev, evt->bssid,
447 assoc_req_ie, assoc_req_ielen,
448 assoc_resp_ie, assoc_resp_ielen,
449 WLAN_STATUS_SUCCESS, GFP_KERNEL);
450
451 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
452 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
453 memset(&sinfo, 0, sizeof(sinfo));
454
455 sinfo.generation = wil->sinfo_gen++;
456
457 if (assoc_req_ie) {
458 sinfo.assoc_req_ies = assoc_req_ie;
459 sinfo.assoc_req_ies_len = assoc_req_ielen;
2be7d22f
VK		 460 }
461
462 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
463 }
9419b6a2
VK		 464 clear_bit(wil_status_fwconnecting, wil->status);
465 set_bit(wil_status_fwconnected, wil->status);
2be7d22f
VK		 466
467 /* FIXME FW can transmit only ucast frames to peer */
468 /* FIXME real ring_id instead of hard coded 0 */
a82553bb 469 ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
3df2cd36 470 wil->sta[evt->cid].status = wil_sta_conn_pending;
2be7d22f
VK		 471
472 wil->pending_connect_cid = evt->cid;
3277213f 473 queue_work(wil->wq_service, &wil->connect_worker);
2be7d22f
VK		 474}
475
476static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
477 void *d, int len)
478{
479 struct wmi_disconnect_event *evt = d;
4821e6d8 480 u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
2be7d22f 481
4821e6d8
VK		 482 wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
483 evt->bssid, reason_code, evt->disconnect_reason);
2be7d22f
VK		 484
485 wil->sinfo_gen++;
486
097638a0 487 mutex_lock(&wil->mutex);
4821e6d8 488 wil6210_disconnect(wil, evt->bssid, reason_code, true);
097638a0 489 mutex_unlock(&wil->mutex);
2be7d22f
VK		 490}
491
2be7d22f
VK		 492/*
493 * Firmware reports EAPOL frame using WME event.
494 * Reconstruct Ethernet frame and deliver it via normal Rx
495 */
496static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
497 void *d, int len)
498{
499 struct net_device *ndev = wil_to_ndev(wil);
500 struct wmi_eapol_rx_event *evt = d;
501 u16 eapol_len = le16_to_cpu(evt->eapol_len);
502 int sz = eapol_len + ETH_HLEN;
503 struct sk_buff *skb;
504 struct ethhdr *eth;
c8b78b5f
VK		 505 int cid;
506 struct wil_net_stats *stats = NULL;
2be7d22f 507
7743882d 508 wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
2be7d22f
VK		 509 evt->src_mac);
510
c8b78b5f
VK		 511 cid = wil_find_cid(wil, evt->src_mac);
512 if (cid >= 0)
513 stats = &wil->sta[cid].stats;
514
2be7d22f
VK		 515 if (eapol_len > 196) { /* TODO: revisit size limit */
516 wil_err(wil, "EAPOL too large\n");
517 return;
518 }
519
520 skb = alloc_skb(sz, GFP_KERNEL);
521 if (!skb) {
522 wil_err(wil, "Failed to allocate skb\n");
523 return;
524 }
c8b78b5f 525
2be7d22f 526 eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
a82553bb
VK		 527 ether_addr_copy(eth->h_dest, ndev->dev_addr);
528 ether_addr_copy(eth->h_source, evt->src_mac);
2be7d22f
VK		 529 eth->h_proto = cpu_to_be16(ETH_P_PAE);
530 memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
531 skb->protocol = eth_type_trans(skb, ndev);
532 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
533 ndev->stats.rx_packets++;
c8b78b5f
VK		 534 ndev->stats.rx_bytes += sz;
535 if (stats) {
536 stats->rx_packets++;
537 stats->rx_bytes += sz;
538 }
2be7d22f
VK		 539 } else {
540 ndev->stats.rx_dropped++;
c8b78b5f
VK		 541 if (stats)
542 stats->rx_dropped++;
2be7d22f
VK		 543 }
544}
545
3a3def8d 546static void wil_addba_tx_cid(struct wil6210_priv *wil, u8 cid, u16 wsize)
3a124ed6
VK		 547{
548 struct vring_tx_data *t;
549 int i;
550
551 for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) {
552 if (cid != wil->vring2cid_tid[i][0])
553 continue;
554 t = &wil->vring_tx_data[i];
555 if (!t->enabled)
556 continue;
557
3a3def8d 558 wil_addba_tx_request(wil, i, wsize);
3a124ed6
VK		 559 }
560}
561
3442a504
VK		 562static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
563{
3442a504 564 struct wmi_data_port_open_event *evt = d;
e58c9f70 565 u8 cid = evt->cid;
3442a504 566
e58c9f70 567 wil_dbg_wmi(wil, "Link UP for CID %d\n", cid);
3442a504 568
e58c9f70
VK		 569 if (cid >= ARRAY_SIZE(wil->sta)) {
570 wil_err(wil, "Link UP for invalid CID %d\n", cid);
571 return;
572 }
573
574 wil->sta[cid].data_port_open = true;
3a3def8d
VK		 575 if (agg_wsize >= 0)
576 wil_addba_tx_cid(wil, cid, agg_wsize);
3442a504
VK		 577}
578
579static void wmi_evt_linkdown(struct wil6210_priv *wil, int id, void *d, int len)
580{
581 struct net_device *ndev = wil_to_ndev(wil);
582 struct wmi_wbe_link_down_event *evt = d;
e58c9f70 583 u8 cid = evt->cid;
3442a504
VK		 584
585 wil_dbg_wmi(wil, "Link DOWN for CID %d, reason %d\n",
e58c9f70
VK		 586 cid, le32_to_cpu(evt->reason));
587
588 if (cid >= ARRAY_SIZE(wil->sta)) {
589 wil_err(wil, "Link DOWN for invalid CID %d\n", cid);
590 return;
591 }
3442a504 592
e58c9f70 593 wil->sta[cid].data_port_open = false;
3442a504
VK		 594 netif_carrier_off(ndev);
595}
596
249a382b
VK		 597static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
598 int len)
599{
600 struct wmi_vring_ba_status_event *evt = d;
3277213f 601 struct vring_tx_data *txdata;
249a382b 602
cbcf5866 603 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
7b05b0ab
VK		 604 evt->ringid,
605 evt->status == WMI_BA_AGREED ? "OK" : "N/A",
cbcf5866
VK		 606 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
607 evt->amsdu ? "+" : "-");
7b05b0ab
VK		 608
609 if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
610 wil_err(wil, "invalid ring id %d\n", evt->ringid);
611 return;
b4490f42
VK		 612 }
613
3277213f
VK		 614 if (evt->status != WMI_BA_AGREED) {
615 evt->ba_timeout = 0;
616 evt->agg_wsize = 0;
cbcf5866 617 evt->amsdu = 0;
7b05b0ab
VK		 618 }
619
3277213f 620 txdata = &wil->vring_tx_data[evt->ringid];
ec81b5ad 621
3277213f
VK		 622 txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
623 txdata->agg_wsize = evt->agg_wsize;
cbcf5866 624 txdata->agg_amsdu = evt->amsdu;
3a124ed6 625 txdata->addba_in_progress = false;
3277213f 626}
ec81b5ad 627
3277213f
VK		 628static void wmi_evt_addba_rx_req(struct wil6210_priv *wil, int id, void *d,
629 int len)
630{
631 struct wmi_rcp_addba_req_event *evt = d;
ec81b5ad 632
3277213f
VK		 633 wil_addba_rx_request(wil, evt->cidxtid, evt->dialog_token,
634 evt->ba_param_set, evt->ba_timeout,
635 evt->ba_seq_ctrl);
636}
ec81b5ad 637
3277213f 638static void wmi_evt_delba(struct wil6210_priv *wil, int id, void *d, int len)
bd33273b 639__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
3277213f
VK		 640{
641 struct wmi_delba_event *evt = d;
642 u8 cid, tid;
643 u16 reason = __le16_to_cpu(evt->reason);
644 struct wil_sta_info *sta;
645 struct wil_tid_ampdu_rx *r;
3277213f 646
bd33273b 647 might_sleep();
3277213f
VK		 648 parse_cidxtid(evt->cidxtid, &cid, &tid);
649 wil_dbg_wmi(wil, "DELBA CID %d TID %d from %s reason %d\n",
650 cid, tid,
651 evt->from_initiator ? "originator" : "recipient",
652 reason);
653 if (!evt->from_initiator) {
654 int i;
655 /* find Tx vring it belongs to */
656 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
657 if ((wil->vring2cid_tid[i][0] == cid) &&
658 (wil->vring2cid_tid[i][1] == tid)) {
659 struct vring_tx_data *txdata =
660 &wil->vring_tx_data[i];
661
662 wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
663 txdata->agg_timeout = 0;
664 txdata->agg_wsize = 0;
3a124ed6 665 txdata->addba_in_progress = false;
3277213f
VK		 666
667 break; /* max. 1 matching ring */
668 }
669 }
670 if (i >= ARRAY_SIZE(wil->vring2cid_tid))
671 wil_err(wil, "DELBA: unable to find Tx vring\n");
672 return;
7b05b0ab 673 }
8c86f757 674
3277213f
VK		 675 sta = &wil->sta[cid];
676
bd33273b 677 spin_lock_bh(&sta->tid_rx_lock);
3277213f
VK		 678
679 r = sta->tid_rx[tid];
680 sta->tid_rx[tid] = NULL;
681 wil_tid_ampdu_rx_free(wil, r);
682
bd33273b 683 spin_unlock_bh(&sta->tid_rx_lock);
249a382b
VK		 684}
685
2be7d22f
VK		 686static const struct {
687 int eventid;
688 void (*handler)(struct wil6210_priv *wil, int eventid,
689 void *data, int data_len);
690} wmi_evt_handlers[] = {
691 {WMI_READY_EVENTID, wmi_evt_ready},
692 {WMI_FW_READY_EVENTID, wmi_evt_fw_ready},
693 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
694 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
695 {WMI_CONNECT_EVENTID, wmi_evt_connect},
696 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
2be7d22f 697 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
3442a504
VK		 698 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_linkup},
699 {WMI_WBE_LINKDOWN_EVENTID, wmi_evt_linkdown},
249a382b 700 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
3277213f
VK		 701 {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
702 {WMI_DELBA_EVENTID, wmi_evt_delba},
2be7d22f
VK		 703};
704
705/*
706 * Run in IRQ context
707 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
708 * that will be eventually handled by the @wmi_event_worker in the thread
709 * context of thread "wil6210_wmi"
710 */
711void wmi_recv_cmd(struct wil6210_priv *wil)
712{
713 struct wil6210_mbox_ring_desc d_tail;
714 struct wil6210_mbox_hdr hdr;
715 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
716 struct pending_wmi_event *evt;
717 u8 *cmd;
718 void __iomem *src;
719 ulong flags;
a715c7dd 720 unsigned n;
2be7d22f 721
9419b6a2 722 if (!test_bit(wil_status_reset_done, wil->status)) {
4cf99c93 723 wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
55f7acdd
VK		 724 return;
725 }
726
a715c7dd 727 for (n = 0;; n++) {
2be7d22f 728 u16 len;
95266dc0 729 bool q;
2be7d22f
VK		 730
731 r->head = ioread32(wil->csr + HOST_MBOX +
732 offsetof(struct wil6210_mbox_ctl, rx.head));
95266dc0
VK		 733 if (r->tail == r->head)
734 break;
2be7d22f 735
a715c7dd
VK		 736 wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
737 r->head, r->tail);
738 /* read cmd descriptor from tail */
2be7d22f
VK		 739 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
740 sizeof(struct wil6210_mbox_ring_desc));
741 if (d_tail.sync == 0) {
742 wil_err(wil, "Mbox evt not owned by FW?\n");
95266dc0 743 break;
2be7d22f
VK		 744 }
745
a715c7dd 746 /* read cmd header from descriptor */
2be7d22f
VK		 747 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
748 wil_err(wil, "Mbox evt at 0x%08x?\n",
749 le32_to_cpu(d_tail.addr));
95266dc0 750 break;
2be7d22f 751 }
2be7d22f 752 len = le16_to_cpu(hdr.len);
a715c7dd
VK		 753 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
754 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
755 hdr.flags);
756
757 /* read cmd buffer from descriptor */
2be7d22f
VK		 758 src = wmi_buffer(wil, d_tail.addr) +
759 sizeof(struct wil6210_mbox_hdr);
760 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
761 event.wmi) + len, 4),
762 GFP_KERNEL);
14f8dc49 763 if (!evt)
95266dc0 764 break;
14f8dc49 765
2be7d22f
VK		 766 evt->event.hdr = hdr;
767 cmd = (void *)&evt->event.wmi;
768 wil_memcpy_fromio_32(cmd, src, len);
769 /* mark entry as empty */
770 iowrite32(0, wil->csr + HOSTADDR(r->tail) +
771 offsetof(struct wil6210_mbox_ring_desc, sync));
772 /* indicate */
2be7d22f
VK		 773 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
774 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
f988b23f
VK		 775 struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi;
776 u16 id = le16_to_cpu(wmi->id);
777 u32 tstamp = le32_to_cpu(wmi->timestamp);
8fe59627 778
f988b23f
VK		 779 wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
780 id, wmi->mid, tstamp);
781 trace_wil6210_wmi_event(wmi, &wmi[1],
782 len - sizeof(*wmi));
2be7d22f 783 }
7743882d 784 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
2be7d22f
VK		 785 &evt->event.hdr, sizeof(hdr) + len, true);
786
787 /* advance tail */
788 r->tail = r->base + ((r->tail - r->base +
789 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
790 iowrite32(r->tail, wil->csr + HOST_MBOX +
791 offsetof(struct wil6210_mbox_ctl, rx.tail));
792
793 /* add to the pending list */
794 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
795 list_add_tail(&evt->list, &wil->pending_wmi_ev);
796 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
95266dc0
VK		 797 q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
798 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
2be7d22f 799 }
95266dc0
VK		 800 /* normally, 1 event per IRQ should be processed */
801 wil_dbg_wmi(wil, "%s -> %d events queued\n", __func__, n);
2be7d22f
VK		 802}
803
804int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
805 u16 reply_id, void *reply, u8 reply_size, int to_msec)
806{
807 int rc;
808 int remain;
809
810 mutex_lock(&wil->wmi_mutex);
811
812 rc = __wmi_send(wil, cmdid, buf, len);
813 if (rc)
814 goto out;
815
816 wil->reply_id = reply_id;
817 wil->reply_buf = reply;
818 wil->reply_size = reply_size;
59502647
DL		 819 remain = wait_for_completion_timeout(&wil->wmi_call,
820 msecs_to_jiffies(to_msec));
2be7d22f
VK		 821 if (0 == remain) {
822 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
823 cmdid, reply_id, to_msec);
824 rc = -ETIME;
825 } else {
7743882d 826 wil_dbg_wmi(wil,
2be7d22f
VK		 827 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
828 cmdid, reply_id,
829 to_msec - jiffies_to_msecs(remain));
830 }
831 wil->reply_id = 0;
832 wil->reply_buf = NULL;
833 wil->reply_size = 0;
834 out:
835 mutex_unlock(&wil->wmi_mutex);
836
837 return rc;
838}
839
840int wmi_echo(struct wil6210_priv *wil)
841{
842 struct wmi_echo_cmd cmd = {
843 .value = cpu_to_le32(0x12345678),
844 };
845
846 return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
a54a40da 847 WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
2be7d22f
VK		 848}
849
850int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
851{
852 struct wmi_set_mac_address_cmd cmd;
853
a82553bb 854 ether_addr_copy(cmd.mac, addr);
2be7d22f 855
7743882d 856 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
2be7d22f
VK		 857
858 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
859}
860
b8023177 861int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan)
2be7d22f 862{
b8023177
VK		 863 int rc;
864
865 struct wmi_pcp_start_cmd cmd = {
2be7d22f
VK		 866 .bcon_interval = cpu_to_le16(bi),
867 .network_type = wmi_nettype,
868 .disable_sec_offload = 1,
adc2d122 869 .channel = chan - 1,
1eb9d1e5 870 .pcp_max_assoc_sta = max_assoc_sta,
2be7d22f 871 };
b8023177
VK		 872 struct {
873 struct wil6210_mbox_hdr_wmi wmi;
874 struct wmi_pcp_started_event evt;
875 } __packed reply;
2be7d22f 876
774974e5 877 if (!wil->privacy)
2be7d22f
VK		 878 cmd.disable_sec = 1;
879
1eb9d1e5
DL		 880 if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
881 (cmd.pcp_max_assoc_sta <= 0)) {
882 wil_info(wil,
883 "Requested connection limit %u, valid values are 1 - %d. Setting to %d\n",
884 max_assoc_sta, WIL6210_MAX_CID, WIL6210_MAX_CID);
885 cmd.pcp_max_assoc_sta = WIL6210_MAX_CID;
886 }
887
8b5c7f6c
VK		 888 /*
889 * Processing time may be huge, in case of secure AP it takes about
890 * 3500ms for FW to start AP
891 */
b8023177 892 rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
8b5c7f6c 893 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
b8023177
VK		 894 if (rc)
895 return rc;
896
897 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
898 rc = -EINVAL;
899
900 return rc;
901}
902
903int wmi_pcp_stop(struct wil6210_priv *wil)
904{
905 return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
906 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
2be7d22f
VK		 907}
908
909int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
910{
911 struct wmi_set_ssid_cmd cmd = {
912 .ssid_len = cpu_to_le32(ssid_len),
913 };
914
915 if (ssid_len > sizeof(cmd.ssid))
916 return -EINVAL;
917
918 memcpy(cmd.ssid, ssid, ssid_len);
919
920 return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
921}
922
923int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
924{
925 int rc;
926 struct {
927 struct wil6210_mbox_hdr_wmi wmi;
928 struct wmi_set_ssid_cmd cmd;
929 } __packed reply;
930 int len; /* reply.cmd.ssid_len in CPU order */
931
932 rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
933 &reply, sizeof(reply), 20);
934 if (rc)
935 return rc;
936
937 len = le32_to_cpu(reply.cmd.ssid_len);
938 if (len > sizeof(reply.cmd.ssid))
939 return -EINVAL;
940
941 *ssid_len = len;
942 memcpy(ssid, reply.cmd.ssid, len);
943
944 return 0;
945}
946
947int wmi_set_channel(struct wil6210_priv *wil, int channel)
948{
949 struct wmi_set_pcp_channel_cmd cmd = {
950 .channel = channel - 1,
951 };
952
953 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
954}
955
956int wmi_get_channel(struct wil6210_priv *wil, int *channel)
957{
958 int rc;
959 struct {
960 struct wil6210_mbox_hdr_wmi wmi;
961 struct wmi_set_pcp_channel_cmd cmd;
962 } __packed reply;
963
964 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
965 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
966 if (rc)
967 return rc;
968
969 if (reply.cmd.channel > 3)
970 return -EINVAL;
971
972 *channel = reply.cmd.channel + 1;
973
974 return 0;
975}
976
b8023177
VK		 977int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
978{
979 struct wmi_p2p_cfg_cmd cmd = {
980 .discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD,
981 .channel = channel - 1,
982 };
983
984 return wmi_send(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd));
985}
986
2be7d22f
VK		 987int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
988 const void *mac_addr)
989{
990 struct wmi_delete_cipher_key_cmd cmd = {
991 .key_index = key_index,
992 };
993
994 if (mac_addr)
995 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
996
997 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
998}
999
1000int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
1001 const void *mac_addr, int key_len, const void *key)
1002{
1003 struct wmi_add_cipher_key_cmd cmd = {
1004 .key_index = key_index,
1005 .key_usage = WMI_KEY_USE_PAIRWISE,
1006 .key_len = key_len,
1007 };
1008
1009 if (!key || (key_len > sizeof(cmd.key)))
1010 return -EINVAL;
1011
1012 memcpy(cmd.key, key, key_len);
1013 if (mac_addr)
1014 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
1015
1016 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
1017}
1018
1019int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
1020{
1021 int rc;
1022 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
1023 struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
8fe59627 1024
14f8dc49 1025 if (!cmd)
2be7d22f 1026 return -ENOMEM;
ac4acdb7
VK		 1027 if (!ie)
1028 ie_len = 0;
2be7d22f
VK		 1029
1030 cmd->mgmt_frm_type = type;
1031 /* BUG: FW API define ieLen as u8. Will fix FW */
1032 cmd->ie_len = cpu_to_le16(ie_len);
1033 memcpy(cmd->ie_info, ie, ie_len);
03866e7d 1034 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
2be7d22f
VK		 1035 kfree(cmd);
1036
1037 return rc;
1038}
1039
1647f12f
VK		 1040/**
1041 * wmi_rxon - turn radio on/off
1042 * @on: turn on if true, off otherwise
1043 *
1044 * Only switch radio. Channel should be set separately.
1045 * No timeout for rxon - radio turned on forever unless some other call
1046 * turns it off
1047 */
1048int wmi_rxon(struct wil6210_priv *wil, bool on)
1049{
1050 int rc;
1051 struct {
1052 struct wil6210_mbox_hdr_wmi wmi;
1053 struct wmi_listen_started_event evt;
1054 } __packed reply;
1055
1056 wil_info(wil, "%s(%s)\n", __func__, on ? "on" : "off");
1057
1058 if (on) {
1059 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
1060 WMI_LISTEN_STARTED_EVENTID,
1061 &reply, sizeof(reply), 100);
1062 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
1063 rc = -EINVAL;
1064 } else {
1065 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
1066 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
1067 }
1068
1069 return rc;
1070}
1071
47e19af9
VK		 1072int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
1073{
1074 struct wireless_dev *wdev = wil->wdev;
1075 struct net_device *ndev = wil_to_ndev(wil);
1076 struct wmi_cfg_rx_chain_cmd cmd = {
1077 .action = WMI_RX_CHAIN_ADD,
1078 .rx_sw_ring = {
c44690a1 1079 .max_mpdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
47e19af9
VK		 1080 .ring_mem_base = cpu_to_le64(vring->pa),
1081 .ring_size = cpu_to_le16(vring->size),
1082 },
1083 .mid = 0, /* TODO - what is it? */
1084 .decap_trans_type = WMI_DECAP_TYPE_802_3,
b4490f42 1085 .reorder_type = WMI_RX_SW_REORDER,
ab954628 1086 .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
47e19af9
VK		 1087 };
1088 struct {
1089 struct wil6210_mbox_hdr_wmi wmi;
1090 struct wmi_cfg_rx_chain_done_event evt;
1091 } __packed evt;
1092 int rc;
1093
1094 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
1095 struct ieee80211_channel *ch = wdev->preset_chandef.chan;
1096
1097 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
1098 if (ch)
1099 cmd.sniffer_cfg.channel = ch->hw_value - 1;
1100 cmd.sniffer_cfg.phy_info_mode =
1101 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
1102 cmd.sniffer_cfg.phy_support =
1103 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
1104 ? WMI_SNIFFER_CP : WMI_SNIFFER_DP);
504937d4
KE		 1105 } else {
1106 /* Initialize offload (in non-sniffer mode).
1107 * Linux IP stack always calculates IP checksum
1108 * HW always calculate TCP/UDP checksum
1109 */
1110 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
47e19af9 1111 }
c406ea7c
VK		 1112
1113 if (rx_align_2)
1114 cmd.l2_802_3_offload_ctrl |=
1115 L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
1116
47e19af9
VK		 1117 /* typical time for secure PCP is 840ms */
1118 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
1119 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
1120 if (rc)
1121 return rc;
1122
1123 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
1124
7743882d 1125 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
47e19af9
VK		 1126 le32_to_cpu(evt.evt.status), vring->hwtail);
1127
1128 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
1129 rc = -EINVAL;
1130
1131 return rc;
1132}
1133
8c679675 1134int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
1a2780e0
VK		 1135{
1136 int rc;
1137 struct wmi_temp_sense_cmd cmd = {
8c679675
VK		 1138 .measure_baseband_en = cpu_to_le32(!!t_bb),
1139 .measure_rf_en = cpu_to_le32(!!t_rf),
1140 .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
1a2780e0
VK		 1141 };
1142 struct {
1143 struct wil6210_mbox_hdr_wmi wmi;
1144 struct wmi_temp_sense_done_event evt;
1145 } __packed reply;
1146
1147 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
1148 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
1149 if (rc)
1150 return rc;
1151
8c679675
VK		 1152 if (t_bb)
1153 *t_bb = le32_to_cpu(reply.evt.baseband_t1000);
1154 if (t_rf)
1155 *t_rf = le32_to_cpu(reply.evt.rf_t1000);
1a2780e0
VK		 1156
1157 return 0;
1158}
1159
4d55a0a1
VK		 1160int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)
1161{
1162 struct wmi_disconnect_sta_cmd cmd = {
1163 .disconnect_reason = cpu_to_le16(reason),
1164 };
a82553bb
VK		 1165
1166 ether_addr_copy(cmd.dst_mac, mac);
4d55a0a1
VK		 1167
1168 wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
1169
1170 return wmi_send(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd));
1171}
1172
3277213f
VK		 1173int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout)
1174{
1175 struct wmi_vring_ba_en_cmd cmd = {
1176 .ringid = ringid,
1177 .agg_max_wsize = size,
1178 .ba_timeout = cpu_to_le16(timeout),
cbcf5866 1179 .amsdu = 0,
3277213f
VK		 1180 };
1181
1182 wil_dbg_wmi(wil, "%s(ring %d size %d timeout %d)\n", __func__,
1183 ringid, size, timeout);
1184
1185 return wmi_send(wil, WMI_VRING_BA_EN_CMDID, &cmd, sizeof(cmd));
1186}
1187
26a359d9 1188int wmi_delba_tx(struct wil6210_priv *wil, u8 ringid, u16 reason)
3277213f
VK		 1189{
1190 struct wmi_vring_ba_dis_cmd cmd = {
1191 .ringid = ringid,
1192 .reason = cpu_to_le16(reason),
1193 };
1194
1195 wil_dbg_wmi(wil, "%s(ring %d reason %d)\n", __func__,
1196 ringid, reason);
1197
1198 return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, &cmd, sizeof(cmd));
1199}
1200
26a359d9
VK		 1201int wmi_delba_rx(struct wil6210_priv *wil, u8 cidxtid, u16 reason)
1202{
1203 struct wmi_rcp_delba_cmd cmd = {
1204 .cidxtid = cidxtid,
1205 .reason = cpu_to_le16(reason),
1206 };
1207
1208 wil_dbg_wmi(wil, "%s(CID %d TID %d reason %d)\n", __func__,
1209 cidxtid & 0xf, (cidxtid >> 4) & 0xf, reason);
1210
1211 return wmi_send(wil, WMI_RCP_DELBA_CMDID, &cmd, sizeof(cmd));
1212}
1213
3277213f
VK		 1214int wmi_addba_rx_resp(struct wil6210_priv *wil, u8 cid, u8 tid, u8 token,
1215 u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
1216{
1217 int rc;
1218 struct wmi_rcp_addba_resp_cmd cmd = {
1219 .cidxtid = mk_cidxtid(cid, tid),
1220 .dialog_token = token,
1221 .status_code = cpu_to_le16(status),
1222 /* bit 0: A-MSDU supported
1223 * bit 1: policy (should be 0 for us)
1224 * bits 2..5: TID
1225 * bits 6..15: buffer size
1226 */
1227 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
1228 (agg_wsize << 6)),
1229 .ba_timeout = cpu_to_le16(timeout),
1230 };
1231 struct {
1232 struct wil6210_mbox_hdr_wmi wmi;
1233 struct wmi_rcp_addba_resp_sent_event evt;
1234 } __packed reply;
1235
1236 wil_dbg_wmi(wil,
1237 "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
1238 cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-");
1239
1240 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, &cmd, sizeof(cmd),
1241 WMI_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply), 100);
1242 if (rc)
1243 return rc;
1244
1245 if (reply.evt.status) {
1246 wil_err(wil, "ADDBA response failed with status %d\n",
1247 le16_to_cpu(reply.evt.status));
1248 rc = -EINVAL;
1249 }
1250
1251 return rc;
1252}
1253
2be7d22f
VK		 1254void wmi_event_flush(struct wil6210_priv *wil)
1255{
1256 struct pending_wmi_event *evt, *t;
1257
7743882d 1258 wil_dbg_wmi(wil, "%s()\n", __func__);
2be7d22f
VK		 1259
1260 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
1261 list_del(&evt->list);
1262 kfree(evt);
1263 }
1264}
1265
1266static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
1267 void *d, int len)
1268{
1269 uint i;
1270
1271 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
1272 if (wmi_evt_handlers[i].eventid == id) {
1273 wmi_evt_handlers[i].handler(wil, id, d, len);
1274 return true;
1275 }
1276 }
1277
1278 return false;
1279}
1280
1281static void wmi_event_handle(struct wil6210_priv *wil,
1282 struct wil6210_mbox_hdr *hdr)
1283{
1284 u16 len = le16_to_cpu(hdr->len);
1285
1286 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
1287 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
1288 struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
1289 void *evt_data = (void *)(&wmi[1]);
1290 u16 id = le16_to_cpu(wmi->id);
028e1836
VK		 1291
1292 wil_dbg_wmi(wil, "Handle WMI 0x%04x (reply_id 0x%04x)\n",
1293 id, wil->reply_id);
2be7d22f
VK		 1294 /* check if someone waits for this event */
1295 if (wil->reply_id && wil->reply_id == id) {
1296 if (wil->reply_buf) {
1297 memcpy(wil->reply_buf, wmi,
1298 min(len, wil->reply_size));
1299 } else {
1300 wmi_evt_call_handler(wil, id, evt_data,
1301 len - sizeof(*wmi));
1302 }
7743882d 1303 wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
59502647 1304 complete(&wil->wmi_call);
2be7d22f
VK		 1305 return;
1306 }
1307 /* unsolicited event */
1308 /* search for handler */
1309 if (!wmi_evt_call_handler(wil, id, evt_data,
1310 len - sizeof(*wmi))) {
1311 wil_err(wil, "Unhandled event 0x%04x\n", id);
1312 }
1313 } else {
1314 wil_err(wil, "Unknown event type\n");
1315 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
1316 hdr, sizeof(*hdr) + len, true);
1317 }
1318}
1319
1320/*
1321 * Retrieve next WMI event from the pending list
1322 */
1323static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
1324{
1325 ulong flags;
1326 struct list_head *ret = NULL;
1327
1328 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1329
1330 if (!list_empty(&wil->pending_wmi_ev)) {
1331 ret = wil->pending_wmi_ev.next;
1332 list_del(ret);
1333 }
1334
1335 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1336
1337 return ret;
1338}
1339
1340/*
1341 * Handler for the WMI events
1342 */
1343void wmi_event_worker(struct work_struct *work)
1344{
1345 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1346 wmi_event_worker);
1347 struct pending_wmi_event *evt;
1348 struct list_head *lh;
1349
028e1836 1350 wil_dbg_wmi(wil, "Start %s\n", __func__);
2be7d22f
VK		 1351 while ((lh = next_wmi_ev(wil)) != NULL) {
1352 evt = list_entry(lh, struct pending_wmi_event, list);
1353 wmi_event_handle(wil, &evt->event.hdr);
1354 kfree(evt);
1355 }
028e1836 1356 wil_dbg_wmi(wil, "Finished %s\n", __func__);
2be7d22f 1357}
Linux kernel - Deliverables
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