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1/*
2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <linux/moduleparam.h>
19#include <linux/etherdevice.h>
20#include <linux/if_arp.h>
21
22#include "wil6210.h"
23#include "txrx.h"
24#include "wmi.h"
25#include "trace.h"
26
27static uint max_assoc_sta = WIL6210_MAX_CID;
28module_param(max_assoc_sta, uint, 0644);
29MODULE_PARM_DESC(max_assoc_sta, " Max number of stations associated to the AP");
30
31int agg_wsize; /* = 0; */
32module_param(agg_wsize, int, 0644);
33MODULE_PARM_DESC(agg_wsize, " Window size for Tx Block Ack after connect;"
34 " 0 - use default; < 0 - don't auto-establish");
35
36u8 led_id = WIL_LED_INVALID_ID;
37module_param(led_id, byte, 0444);
38MODULE_PARM_DESC(led_id,
39 " 60G device led enablement. Set the led ID (0-2) to enable");
40
41#define WIL_WAIT_FOR_SUSPEND_RESUME_COMP 200
42#define WIL_WMI_CALL_GENERAL_TO_MS 100
43
44/**
45 * WMI event receiving - theory of operations
46 *
47 * When firmware about to report WMI event, it fills memory area
48 * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
49 * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
50 *
51 * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
52 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
53 * and handles events within the @wmi_event_worker. Every event get detached
54 * from list, processed and deleted.
55 *
56 * Purpose for this mechanism is to release IRQ thread; otherwise,
57 * if WMI event handling involves another WMI command flow, this 2-nd flow
58 * won't be completed because of blocked IRQ thread.
59 */
60
61/**
62 * Addressing - theory of operations
63 *
64 * There are several buses present on the WIL6210 card.
65 * Same memory areas are visible at different address on
66 * the different busses. There are 3 main bus masters:
67 * - MAC CPU (ucode)
68 * - User CPU (firmware)
69 * - AHB (host)
70 *
71 * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
72 * AHB addresses starting from 0x880000
73 *
74 * Internally, firmware uses addresses that allow faster access but
75 * are invisible from the host. To read from these addresses, alternative
76 * AHB address must be used.
77 */
78
79/**
80 * @sparrow_fw_mapping provides memory remapping table for sparrow
81 *
82 * array size should be in sync with the declaration in the wil6210.h
83 *
84 * Sparrow memory mapping:
85 * Linker address PCI/Host address
86 * 0x880000 .. 0xa80000 2Mb BAR0
87 * 0x800000 .. 0x808000 0x900000 .. 0x908000 32k DCCM
88 * 0x840000 .. 0x860000 0x908000 .. 0x928000 128k PERIPH
89 */
90const struct fw_map sparrow_fw_mapping[] = {
91 /* FW code RAM 256k */
92 {0x000000, 0x040000, 0x8c0000, "fw_code", true},
93 /* FW data RAM 32k */
94 {0x800000, 0x808000, 0x900000, "fw_data", true},
95 /* periph data 128k */
96 {0x840000, 0x860000, 0x908000, "fw_peri", true},
97 /* various RGF 40k */
98 {0x880000, 0x88a000, 0x880000, "rgf", true},
99 /* AGC table 4k */
100 {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true},
101 /* Pcie_ext_rgf 4k */
102 {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true},
103 /* mac_ext_rgf 512b */
104 {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext", true},
105 /* upper area 548k */
106 {0x8c0000, 0x949000, 0x8c0000, "upper", true},
107 /* UCODE areas - accessible by debugfs blobs but not by
108 * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas!
109 */
110 /* ucode code RAM 128k */
111 {0x000000, 0x020000, 0x920000, "uc_code", false},
112 /* ucode data RAM 16k */
113 {0x800000, 0x804000, 0x940000, "uc_data", false},
114};
115
116/**
117 * @sparrow_d0_mac_rgf_ext - mac_rgf_ext section for Sparrow D0
118 * it is a bit larger to support extra features
119 */
120const struct fw_map sparrow_d0_mac_rgf_ext = {
121 0x88c000, 0x88c500, 0x88c000, "mac_rgf_ext", true
122};
123
124/**
125 * @talyn_fw_mapping provides memory remapping table for Talyn
126 *
127 * array size should be in sync with the declaration in the wil6210.h
128 *
129 * Talyn memory mapping:
130 * Linker address PCI/Host address
131 * 0x880000 .. 0xc80000 4Mb BAR0
132 * 0x800000 .. 0x820000 0xa00000 .. 0xa20000 128k DCCM
133 * 0x840000 .. 0x858000 0xa20000 .. 0xa38000 96k PERIPH
134 */
135const struct fw_map talyn_fw_mapping[] = {
136 /* FW code RAM 1M */
137 {0x000000, 0x100000, 0x900000, "fw_code", true},
138 /* FW data RAM 128k */
139 {0x800000, 0x820000, 0xa00000, "fw_data", true},
140 /* periph. data RAM 96k */
141 {0x840000, 0x858000, 0xa20000, "fw_peri", true},
142 /* various RGF 40k */
143 {0x880000, 0x88a000, 0x880000, "rgf", true},
144 /* AGC table 4k */
145 {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true},
146 /* Pcie_ext_rgf 4k */
147 {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true},
148 /* mac_ext_rgf 1344b */
149 {0x88c000, 0x88c540, 0x88c000, "mac_rgf_ext", true},
150 /* ext USER RGF 4k */
151 {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true},
152 /* OTP 4k */
153 {0x8a0000, 0x8a1000, 0x8a0000, "otp", true},
154 /* DMA EXT RGF 64k */
155 {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true},
156 /* upper area 1536k */
157 {0x900000, 0xa80000, 0x900000, "upper", true},
158 /* UCODE areas - accessible by debugfs blobs but not by
159 * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas!
160 */
161 /* ucode code RAM 256k */
162 {0x000000, 0x040000, 0xa38000, "uc_code", false},
163 /* ucode data RAM 32k */
164 {0x800000, 0x808000, 0xa78000, "uc_data", false},
165};
166
167struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE];
168
169struct blink_on_off_time led_blink_time[] = {
170 {WIL_LED_BLINK_ON_SLOW_MS, WIL_LED_BLINK_OFF_SLOW_MS},
171 {WIL_LED_BLINK_ON_MED_MS, WIL_LED_BLINK_OFF_MED_MS},
172 {WIL_LED_BLINK_ON_FAST_MS, WIL_LED_BLINK_OFF_FAST_MS},
173};
174
175u8 led_polarity = LED_POLARITY_LOW_ACTIVE;
176
177/**
178 * return AHB address for given firmware internal (linker) address
179 * @x - internal address
180 * If address have no valid AHB mapping, return 0
181 */
182static u32 wmi_addr_remap(u32 x)
183{
184 uint i;
185
186 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
187 if (fw_mapping[i].fw &&
188 ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to)))
189 return x + fw_mapping[i].host - fw_mapping[i].from;
190 }
191
192 return 0;
193}
194
195/**
196 * find fw_mapping entry by section name
197 * @section - section name
198 *
199 * Return pointer to section or NULL if not found
200 */
201struct fw_map *wil_find_fw_mapping(const char *section)
202{
203 int i;
204
205 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++)
206 if (fw_mapping[i].name &&
207 !strcmp(section, fw_mapping[i].name))
208 return &fw_mapping[i];
209
210 return NULL;
211}
212
213/**
214 * Check address validity for WMI buffer; remap if needed
215 * @ptr - internal (linker) fw/ucode address
216 * @size - if non zero, validate the block does not
217 * exceed the device memory (bar)
218 *
219 * Valid buffer should be DWORD aligned
220 *
221 * return address for accessing buffer from the host;
222 * if buffer is not valid, return NULL.
223 */
224void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr_, u32 size)
225{
226 u32 off;
227 u32 ptr = le32_to_cpu(ptr_);
228
229 if (ptr % 4)
230 return NULL;
231
232 ptr = wmi_addr_remap(ptr);
233 if (ptr < WIL6210_FW_HOST_OFF)
234 return NULL;
235
236 off = HOSTADDR(ptr);
237 if (off > wil->bar_size - 4)
238 return NULL;
239 if (size && ((off + size > wil->bar_size) || (off + size < off)))
240 return NULL;
241
242 return wil->csr + off;
243}
244
245void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
246{
247 return wmi_buffer_block(wil, ptr_, 0);
248}
249
250/**
251 * Check address validity
252 */
253void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
254{
255 u32 off;
256
257 if (ptr % 4)
258 return NULL;
259
260 if (ptr < WIL6210_FW_HOST_OFF)
261 return NULL;
262
263 off = HOSTADDR(ptr);
264 if (off > wil->bar_size - 4)
265 return NULL;
266
267 return wil->csr + off;
268}
269
270int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
271 struct wil6210_mbox_hdr *hdr)
272{
273 void __iomem *src = wmi_buffer(wil, ptr);
274
275 if (!src)
276 return -EINVAL;
277
278 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
279
280 return 0;
281}
282
283static const char *cmdid2name(u16 cmdid)
284{
285 switch (cmdid) {
286 case WMI_NOTIFY_REQ_CMDID:
287 return "WMI_NOTIFY_REQ_CMD";
288 case WMI_START_SCAN_CMDID:
289 return "WMI_START_SCAN_CMD";
290 case WMI_CONNECT_CMDID:
291 return "WMI_CONNECT_CMD";
292 case WMI_DISCONNECT_CMDID:
293 return "WMI_DISCONNECT_CMD";
294 case WMI_SW_TX_REQ_CMDID:
295 return "WMI_SW_TX_REQ_CMD";
296 case WMI_GET_RF_SECTOR_PARAMS_CMDID:
297 return "WMI_GET_RF_SECTOR_PARAMS_CMD";
298 case WMI_SET_RF_SECTOR_PARAMS_CMDID:
299 return "WMI_SET_RF_SECTOR_PARAMS_CMD";
300 case WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID:
301 return "WMI_GET_SELECTED_RF_SECTOR_INDEX_CMD";
302 case WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID:
303 return "WMI_SET_SELECTED_RF_SECTOR_INDEX_CMD";
304 case WMI_BRP_SET_ANT_LIMIT_CMDID:
305 return "WMI_BRP_SET_ANT_LIMIT_CMD";
306 case WMI_TOF_SESSION_START_CMDID:
307 return "WMI_TOF_SESSION_START_CMD";
308 case WMI_AOA_MEAS_CMDID:
309 return "WMI_AOA_MEAS_CMD";
310 case WMI_PMC_CMDID:
311 return "WMI_PMC_CMD";
312 case WMI_TOF_GET_TX_RX_OFFSET_CMDID:
313 return "WMI_TOF_GET_TX_RX_OFFSET_CMD";
314 case WMI_TOF_SET_TX_RX_OFFSET_CMDID:
315 return "WMI_TOF_SET_TX_RX_OFFSET_CMD";
316 case WMI_VRING_CFG_CMDID:
317 return "WMI_VRING_CFG_CMD";
318 case WMI_BCAST_VRING_CFG_CMDID:
319 return "WMI_BCAST_VRING_CFG_CMD";
320 case WMI_TRAFFIC_SUSPEND_CMDID:
321 return "WMI_TRAFFIC_SUSPEND_CMD";
322 case WMI_TRAFFIC_RESUME_CMDID:
323 return "WMI_TRAFFIC_RESUME_CMD";
324 case WMI_ECHO_CMDID:
325 return "WMI_ECHO_CMD";
326 case WMI_SET_MAC_ADDRESS_CMDID:
327 return "WMI_SET_MAC_ADDRESS_CMD";
328 case WMI_LED_CFG_CMDID:
329 return "WMI_LED_CFG_CMD";
330 case WMI_PCP_START_CMDID:
331 return "WMI_PCP_START_CMD";
332 case WMI_PCP_STOP_CMDID:
333 return "WMI_PCP_STOP_CMD";
334 case WMI_SET_SSID_CMDID:
335 return "WMI_SET_SSID_CMD";
336 case WMI_GET_SSID_CMDID:
337 return "WMI_GET_SSID_CMD";
338 case WMI_SET_PCP_CHANNEL_CMDID:
339 return "WMI_SET_PCP_CHANNEL_CMD";
340 case WMI_GET_PCP_CHANNEL_CMDID:
341 return "WMI_GET_PCP_CHANNEL_CMD";
342 case WMI_P2P_CFG_CMDID:
343 return "WMI_P2P_CFG_CMD";
344 case WMI_PORT_ALLOCATE_CMDID:
345 return "WMI_PORT_ALLOCATE_CMD";
346 case WMI_PORT_DELETE_CMDID:
347 return "WMI_PORT_DELETE_CMD";
348 case WMI_START_LISTEN_CMDID:
349 return "WMI_START_LISTEN_CMD";
350 case WMI_START_SEARCH_CMDID:
351 return "WMI_START_SEARCH_CMD";
352 case WMI_DISCOVERY_STOP_CMDID:
353 return "WMI_DISCOVERY_STOP_CMD";
354 case WMI_DELETE_CIPHER_KEY_CMDID:
355 return "WMI_DELETE_CIPHER_KEY_CMD";
356 case WMI_ADD_CIPHER_KEY_CMDID:
357 return "WMI_ADD_CIPHER_KEY_CMD";
358 case WMI_SET_APPIE_CMDID:
359 return "WMI_SET_APPIE_CMD";
360 case WMI_CFG_RX_CHAIN_CMDID:
361 return "WMI_CFG_RX_CHAIN_CMD";
362 case WMI_TEMP_SENSE_CMDID:
363 return "WMI_TEMP_SENSE_CMD";
364 case WMI_DEL_STA_CMDID:
365 return "WMI_DEL_STA_CMD";
366 case WMI_DISCONNECT_STA_CMDID:
367 return "WMI_DISCONNECT_STA_CMD";
368 case WMI_VRING_BA_EN_CMDID:
369 return "WMI_VRING_BA_EN_CMD";
370 case WMI_VRING_BA_DIS_CMDID:
371 return "WMI_VRING_BA_DIS_CMD";
372 case WMI_RCP_DELBA_CMDID:
373 return "WMI_RCP_DELBA_CMD";
374 case WMI_RCP_ADDBA_RESP_CMDID:
375 return "WMI_RCP_ADDBA_RESP_CMD";
376 case WMI_PS_DEV_PROFILE_CFG_CMDID:
377 return "WMI_PS_DEV_PROFILE_CFG_CMD";
378 case WMI_SET_MGMT_RETRY_LIMIT_CMDID:
379 return "WMI_SET_MGMT_RETRY_LIMIT_CMD";
380 case WMI_GET_MGMT_RETRY_LIMIT_CMDID:
381 return "WMI_GET_MGMT_RETRY_LIMIT_CMD";
382 case WMI_ABORT_SCAN_CMDID:
383 return "WMI_ABORT_SCAN_CMD";
384 case WMI_NEW_STA_CMDID:
385 return "WMI_NEW_STA_CMD";
386 case WMI_SET_THERMAL_THROTTLING_CFG_CMDID:
387 return "WMI_SET_THERMAL_THROTTLING_CFG_CMD";
388 case WMI_GET_THERMAL_THROTTLING_CFG_CMDID:
389 return "WMI_GET_THERMAL_THROTTLING_CFG_CMD";
390 case WMI_LINK_MAINTAIN_CFG_WRITE_CMDID:
391 return "WMI_LINK_MAINTAIN_CFG_WRITE_CMD";
392 case WMI_LO_POWER_CALIB_FROM_OTP_CMDID:
393 return "WMI_LO_POWER_CALIB_FROM_OTP_CMD";
394 case WMI_START_SCHED_SCAN_CMDID:
395 return "WMI_START_SCHED_SCAN_CMD";
396 case WMI_STOP_SCHED_SCAN_CMDID:
397 return "WMI_STOP_SCHED_SCAN_CMD";
398 default:
399 return "Untracked CMD";
400 }
401}
402
403static const char *eventid2name(u16 eventid)
404{
405 switch (eventid) {
406 case WMI_NOTIFY_REQ_DONE_EVENTID:
407 return "WMI_NOTIFY_REQ_DONE_EVENT";
408 case WMI_DISCONNECT_EVENTID:
409 return "WMI_DISCONNECT_EVENT";
410 case WMI_SW_TX_COMPLETE_EVENTID:
411 return "WMI_SW_TX_COMPLETE_EVENT";
412 case WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID:
413 return "WMI_GET_RF_SECTOR_PARAMS_DONE_EVENT";
414 case WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID:
415 return "WMI_SET_RF_SECTOR_PARAMS_DONE_EVENT";
416 case WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID:
417 return "WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT";
418 case WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID:
419 return "WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT";
420 case WMI_BRP_SET_ANT_LIMIT_EVENTID:
421 return "WMI_BRP_SET_ANT_LIMIT_EVENT";
422 case WMI_FW_READY_EVENTID:
423 return "WMI_FW_READY_EVENT";
424 case WMI_TRAFFIC_RESUME_EVENTID:
425 return "WMI_TRAFFIC_RESUME_EVENT";
426 case WMI_TOF_GET_TX_RX_OFFSET_EVENTID:
427 return "WMI_TOF_GET_TX_RX_OFFSET_EVENT";
428 case WMI_TOF_SET_TX_RX_OFFSET_EVENTID:
429 return "WMI_TOF_SET_TX_RX_OFFSET_EVENT";
430 case WMI_VRING_CFG_DONE_EVENTID:
431 return "WMI_VRING_CFG_DONE_EVENT";
432 case WMI_READY_EVENTID:
433 return "WMI_READY_EVENT";
434 case WMI_RX_MGMT_PACKET_EVENTID:
435 return "WMI_RX_MGMT_PACKET_EVENT";
436 case WMI_TX_MGMT_PACKET_EVENTID:
437 return "WMI_TX_MGMT_PACKET_EVENT";
438 case WMI_SCAN_COMPLETE_EVENTID:
439 return "WMI_SCAN_COMPLETE_EVENT";
440 case WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENTID:
441 return "WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT";
442 case WMI_CONNECT_EVENTID:
443 return "WMI_CONNECT_EVENT";
444 case WMI_EAPOL_RX_EVENTID:
445 return "WMI_EAPOL_RX_EVENT";
446 case WMI_BA_STATUS_EVENTID:
447 return "WMI_BA_STATUS_EVENT";
448 case WMI_RCP_ADDBA_REQ_EVENTID:
449 return "WMI_RCP_ADDBA_REQ_EVENT";
450 case WMI_DELBA_EVENTID:
451 return "WMI_DELBA_EVENT";
452 case WMI_VRING_EN_EVENTID:
453 return "WMI_VRING_EN_EVENT";
454 case WMI_DATA_PORT_OPEN_EVENTID:
455 return "WMI_DATA_PORT_OPEN_EVENT";
456 case WMI_AOA_MEAS_EVENTID:
457 return "WMI_AOA_MEAS_EVENT";
458 case WMI_TOF_SESSION_END_EVENTID:
459 return "WMI_TOF_SESSION_END_EVENT";
460 case WMI_TOF_GET_CAPABILITIES_EVENTID:
461 return "WMI_TOF_GET_CAPABILITIES_EVENT";
462 case WMI_TOF_SET_LCR_EVENTID:
463 return "WMI_TOF_SET_LCR_EVENT";
464 case WMI_TOF_SET_LCI_EVENTID:
465 return "WMI_TOF_SET_LCI_EVENT";
466 case WMI_TOF_FTM_PER_DEST_RES_EVENTID:
467 return "WMI_TOF_FTM_PER_DEST_RES_EVENT";
468 case WMI_TOF_CHANNEL_INFO_EVENTID:
469 return "WMI_TOF_CHANNEL_INFO_EVENT";
470 case WMI_TRAFFIC_SUSPEND_EVENTID:
471 return "WMI_TRAFFIC_SUSPEND_EVENT";
472 case WMI_ECHO_RSP_EVENTID:
473 return "WMI_ECHO_RSP_EVENT";
474 case WMI_LED_CFG_DONE_EVENTID:
475 return "WMI_LED_CFG_DONE_EVENT";
476 case WMI_PCP_STARTED_EVENTID:
477 return "WMI_PCP_STARTED_EVENT";
478 case WMI_PCP_STOPPED_EVENTID:
479 return "WMI_PCP_STOPPED_EVENT";
480 case WMI_GET_SSID_EVENTID:
481 return "WMI_GET_SSID_EVENT";
482 case WMI_GET_PCP_CHANNEL_EVENTID:
483 return "WMI_GET_PCP_CHANNEL_EVENT";
484 case WMI_P2P_CFG_DONE_EVENTID:
485 return "WMI_P2P_CFG_DONE_EVENT";
486 case WMI_PORT_ALLOCATED_EVENTID:
487 return "WMI_PORT_ALLOCATED_EVENT";
488 case WMI_PORT_DELETED_EVENTID:
489 return "WMI_PORT_DELETED_EVENT";
490 case WMI_LISTEN_STARTED_EVENTID:
491 return "WMI_LISTEN_STARTED_EVENT";
492 case WMI_SEARCH_STARTED_EVENTID:
493 return "WMI_SEARCH_STARTED_EVENT";
494 case WMI_DISCOVERY_STOPPED_EVENTID:
495 return "WMI_DISCOVERY_STOPPED_EVENT";
496 case WMI_CFG_RX_CHAIN_DONE_EVENTID:
497 return "WMI_CFG_RX_CHAIN_DONE_EVENT";
498 case WMI_TEMP_SENSE_DONE_EVENTID:
499 return "WMI_TEMP_SENSE_DONE_EVENT";
500 case WMI_RCP_ADDBA_RESP_SENT_EVENTID:
501 return "WMI_RCP_ADDBA_RESP_SENT_EVENT";
502 case WMI_PS_DEV_PROFILE_CFG_EVENTID:
503 return "WMI_PS_DEV_PROFILE_CFG_EVENT";
504 case WMI_SET_MGMT_RETRY_LIMIT_EVENTID:
505 return "WMI_SET_MGMT_RETRY_LIMIT_EVENT";
506 case WMI_GET_MGMT_RETRY_LIMIT_EVENTID:
507 return "WMI_GET_MGMT_RETRY_LIMIT_EVENT";
508 case WMI_SET_THERMAL_THROTTLING_CFG_EVENTID:
509 return "WMI_SET_THERMAL_THROTTLING_CFG_EVENT";
510 case WMI_GET_THERMAL_THROTTLING_CFG_EVENTID:
511 return "WMI_GET_THERMAL_THROTTLING_CFG_EVENT";
512 case WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENTID:
513 return "WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENT";
514 case WMI_LO_POWER_CALIB_FROM_OTP_EVENTID:
515 return "WMI_LO_POWER_CALIB_FROM_OTP_EVENT";
516 case WMI_START_SCHED_SCAN_EVENTID:
517 return "WMI_START_SCHED_SCAN_EVENT";
518 case WMI_STOP_SCHED_SCAN_EVENTID:
519 return "WMI_STOP_SCHED_SCAN_EVENT";
520 case WMI_SCHED_SCAN_RESULT_EVENTID:
521 return "WMI_SCHED_SCAN_RESULT_EVENT";
522 default:
523 return "Untracked EVENT";
524 }
525}
526
527static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid,
528 void *buf, u16 len)
529{
530 struct {
531 struct wil6210_mbox_hdr hdr;
532 struct wmi_cmd_hdr wmi;
533 } __packed cmd = {
534 .hdr = {
535 .type = WIL_MBOX_HDR_TYPE_WMI,
536 .flags = 0,
537 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
538 },
539 .wmi = {
540 .mid = mid,
541 .command_id = cpu_to_le16(cmdid),
542 },
543 };
544 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
545 struct wil6210_mbox_ring_desc d_head;
546 u32 next_head;
547 void __iomem *dst;
548 void __iomem *head = wmi_addr(wil, r->head);
549 uint retry;
550 int rc = 0;
551
552 if (len > r->entry_size - sizeof(cmd)) {
553 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
554 (int)(sizeof(cmd) + len), r->entry_size);
555 return -ERANGE;
556 }
557
558 might_sleep();
559
560 if (!test_bit(wil_status_fwready, wil->status)) {
561 wil_err(wil, "WMI: cannot send command while FW not ready\n");
562 return -EAGAIN;
563 }
564
565 /* Allow sending only suspend / resume commands during susepnd flow */
566 if ((test_bit(wil_status_suspending, wil->status) ||
567 test_bit(wil_status_suspended, wil->status) ||
568 test_bit(wil_status_resuming, wil->status)) &&
569 ((cmdid != WMI_TRAFFIC_SUSPEND_CMDID) &&
570 (cmdid != WMI_TRAFFIC_RESUME_CMDID))) {
571 wil_err(wil, "WMI: reject send_command during suspend\n");
572 return -EINVAL;
573 }
574
575 if (!head) {
576 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
577 return -EINVAL;
578 }
579
580 wil_halp_vote(wil);
581
582 /* read Tx head till it is not busy */
583 for (retry = 5; retry > 0; retry--) {
584 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
585 if (d_head.sync == 0)
586 break;
587 msleep(20);
588 }
589 if (d_head.sync != 0) {
590 wil_err(wil, "WMI head busy\n");
591 rc = -EBUSY;
592 goto out;
593 }
594 /* next head */
595 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
596 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
597 /* wait till FW finish with previous command */
598 for (retry = 5; retry > 0; retry--) {
599 if (!test_bit(wil_status_fwready, wil->status)) {
600 wil_err(wil, "WMI: cannot send command while FW not ready\n");
601 rc = -EAGAIN;
602 goto out;
603 }
604 r->tail = wil_r(wil, RGF_MBOX +
605 offsetof(struct wil6210_mbox_ctl, tx.tail));
606 if (next_head != r->tail)
607 break;
608 msleep(20);
609 }
610 if (next_head == r->tail) {
611 wil_err(wil, "WMI ring full\n");
612 rc = -EBUSY;
613 goto out;
614 }
615 dst = wmi_buffer(wil, d_head.addr);
616 if (!dst) {
617 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
618 le32_to_cpu(d_head.addr));
619 rc = -EAGAIN;
620 goto out;
621 }
622 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
623 /* set command */
624 wil_dbg_wmi(wil, "sending %s (0x%04x) [%d] mid %d\n",
625 cmdid2name(cmdid), cmdid, len, mid);
626 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
627 sizeof(cmd), true);
628 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
629 len, true);
630 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
631 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
632 /* mark entry as full */
633 wil_w(wil, r->head + offsetof(struct wil6210_mbox_ring_desc, sync), 1);
634 /* advance next ptr */
635 wil_w(wil, RGF_MBOX + offsetof(struct wil6210_mbox_ctl, tx.head),
636 r->head = next_head);
637
638 trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
639
640 /* interrupt to FW */
641 wil_w(wil, RGF_USER_USER_ICR + offsetof(struct RGF_ICR, ICS),
642 SW_INT_MBOX);
643
644out:
645 wil_halp_unvote(wil);
646 return rc;
647}
648
649int wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len)
650{
651 int rc;
652
653 mutex_lock(&wil->wmi_mutex);
654 rc = __wmi_send(wil, cmdid, mid, buf, len);
655 mutex_unlock(&wil->wmi_mutex);
656
657 return rc;
658}
659
660/*=== Event handlers ===*/
661static void wmi_evt_ready(struct wil6210_vif *vif, int id, void *d, int len)
662{
663 struct wil6210_priv *wil = vif_to_wil(vif);
664 struct wiphy *wiphy = wil_to_wiphy(wil);
665 struct wmi_ready_event *evt = d;
666
667 wil_info(wil, "FW ver. %s(SW %d); MAC %pM; %d MID's\n",
668 wil->fw_version, le32_to_cpu(evt->sw_version),
669 evt->mac, evt->numof_additional_mids);
670 if (evt->numof_additional_mids + 1 < wil->max_vifs) {
671 wil_err(wil, "FW does not support enough MIDs (need %d)",
672 wil->max_vifs - 1);
673 return; /* FW load will fail after timeout */
674 }
675 /* ignore MAC address, we already have it from the boot loader */
676 strlcpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version));
677
678 if (len > offsetof(struct wmi_ready_event, rfc_read_calib_result)) {
679 wil_dbg_wmi(wil, "rfc calibration result %d\n",
680 evt->rfc_read_calib_result);
681 wil->fw_calib_result = evt->rfc_read_calib_result;
682 }
683 wil_set_recovery_state(wil, fw_recovery_idle);
684 set_bit(wil_status_fwready, wil->status);
685 /* let the reset sequence continue */
686 complete(&wil->wmi_ready);
687}
688
689static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len)
690{
691 struct wil6210_priv *wil = vif_to_wil(vif);
692 struct wmi_rx_mgmt_packet_event *data = d;
693 struct wiphy *wiphy = wil_to_wiphy(wil);
694 struct ieee80211_mgmt *rx_mgmt_frame =
695 (struct ieee80211_mgmt *)data->payload;
696 int flen = len - offsetof(struct wmi_rx_mgmt_packet_event, payload);
697 int ch_no;
698 u32 freq;
699 struct ieee80211_channel *channel;
700 s32 signal;
701 __le16 fc;
702 u32 d_len;
703 u16 d_status;
704
705 if (flen < 0) {
706 wil_err(wil, "MGMT Rx: short event, len %d\n", len);
707 return;
708 }
709
710 d_len = le32_to_cpu(data->info.len);
711 if (d_len != flen) {
712 wil_err(wil,
713 "MGMT Rx: length mismatch, d_len %d should be %d\n",
714 d_len, flen);
715 return;
716 }
717
718 ch_no = data->info.channel + 1;
719 freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
720 channel = ieee80211_get_channel(wiphy, freq);
721 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
722 signal = 100 * data->info.rssi;
723 else
724 signal = data->info.sqi;
725 d_status = le16_to_cpu(data->info.status);
726 fc = rx_mgmt_frame->frame_control;
727
728 wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d RSSI %d SQI %d%%\n",
729 data->info.channel, data->info.mcs, data->info.rssi,
730 data->info.sqi);
731 wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
732 le16_to_cpu(fc));
733 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
734 data->info.qid, data->info.mid, data->info.cid);
735 wil_hex_dump_wmi("MGMT Rx ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
736 d_len, true);
737
738 if (!channel) {
739 wil_err(wil, "Frame on unsupported channel\n");
740 return;
741 }
742
743 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
744 struct cfg80211_bss *bss;
745 u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
746 u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
747 u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
748 const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
749 size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
750 u.beacon.variable);
751 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
752 wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
753 wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
754 wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
755 ie_len, true);
756
757 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
758
759 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
760 d_len, signal, GFP_KERNEL);
761 if (bss) {
762 wil_dbg_wmi(wil, "Added BSS %pM\n",
763 rx_mgmt_frame->bssid);
764 cfg80211_put_bss(wiphy, bss);
765 } else {
766 wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
767 }
768 } else {
769 mutex_lock(&wil->vif_mutex);
770 cfg80211_rx_mgmt(vif_to_radio_wdev(wil, vif), freq, signal,
771 (void *)rx_mgmt_frame, d_len, 0);
772 mutex_unlock(&wil->vif_mutex);
773 }
774}
775
776static void wmi_evt_tx_mgmt(struct wil6210_vif *vif, int id, void *d, int len)
777{
778 struct wmi_tx_mgmt_packet_event *data = d;
779 struct ieee80211_mgmt *mgmt_frame =
780 (struct ieee80211_mgmt *)data->payload;
781 int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload);
782
783 wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame,
784 flen, true);
785}
786
787static void wmi_evt_scan_complete(struct wil6210_vif *vif, int id,
788 void *d, int len)
789{
790 struct wil6210_priv *wil = vif_to_wil(vif);
791
792 mutex_lock(&wil->vif_mutex);
793 if (vif->scan_request) {
794 struct wmi_scan_complete_event *data = d;
795 int status = le32_to_cpu(data->status);
796 struct cfg80211_scan_info info = {
797 .aborted = ((status != WMI_SCAN_SUCCESS) &&
798 (status != WMI_SCAN_ABORT_REJECTED)),
799 };
800
801 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", status);
802 wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
803 vif->scan_request, info.aborted);
804 del_timer_sync(&vif->scan_timer);
805 cfg80211_scan_done(vif->scan_request, &info);
806 if (vif->mid == 0)
807 wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
808 vif->scan_request = NULL;
809 wake_up_interruptible(&wil->wq);
810 if (vif->p2p.pending_listen_wdev) {
811 wil_dbg_misc(wil, "Scheduling delayed listen\n");
812 schedule_work(&vif->p2p.delayed_listen_work);
813 }
814 } else {
815 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
816 }
817 mutex_unlock(&wil->vif_mutex);
818}
819
820static void wmi_evt_connect(struct wil6210_vif *vif, int id, void *d, int len)
821{
822 struct wil6210_priv *wil = vif_to_wil(vif);
823 struct net_device *ndev = vif_to_ndev(vif);
824 struct wireless_dev *wdev = vif_to_wdev(vif);
825 struct wmi_connect_event *evt = d;
826 int ch; /* channel number */
827 struct station_info sinfo;
828 u8 *assoc_req_ie, *assoc_resp_ie;
829 size_t assoc_req_ielen, assoc_resp_ielen;
830 /* capinfo(u16) + listen_interval(u16) + IEs */
831 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
832 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
833 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
834 int rc;
835
836 if (len < sizeof(*evt)) {
837 wil_err(wil, "Connect event too short : %d bytes\n", len);
838 return;
839 }
840 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
841 evt->assoc_resp_len) {
842 wil_err(wil,
843 "Connect event corrupted : %d != %d + %d + %d + %d\n",
844 len, (int)sizeof(*evt), evt->beacon_ie_len,
845 evt->assoc_req_len, evt->assoc_resp_len);
846 return;
847 }
848 if (evt->cid >= WIL6210_MAX_CID) {
849 wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
850 return;
851 }
852
853 ch = evt->channel + 1;
854 wil_info(wil, "Connect %pM channel [%d] cid %d aid %d\n",
855 evt->bssid, ch, evt->cid, evt->aid);
856 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
857 evt->assoc_info, len - sizeof(*evt), true);
858
859 /* figure out IE's */
860 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
861 assoc_req_ie_offset];
862 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
863 if (evt->assoc_req_len <= assoc_req_ie_offset) {
864 assoc_req_ie = NULL;
865 assoc_req_ielen = 0;
866 }
867
868 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
869 evt->assoc_req_len +
870 assoc_resp_ie_offset];
871 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
872 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
873 assoc_resp_ie = NULL;
874 assoc_resp_ielen = 0;
875 }
876
877 if (test_bit(wil_status_resetting, wil->status) ||
878 !test_bit(wil_status_fwready, wil->status)) {
879 wil_err(wil, "status_resetting, cancel connect event, CID %d\n",
880 evt->cid);
881 /* no need for cleanup, wil_reset will do that */
882 return;
883 }
884
885 mutex_lock(&wil->mutex);
886
887 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
888 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
889 if (!test_bit(wil_vif_fwconnecting, vif->status)) {
890 wil_err(wil, "Not in connecting state\n");
891 mutex_unlock(&wil->mutex);
892 return;
893 }
894 del_timer_sync(&vif->connect_timer);
895 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
896 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
897 if (wil->sta[evt->cid].status != wil_sta_unused) {
898 wil_err(wil, "AP: Invalid status %d for CID %d\n",
899 wil->sta[evt->cid].status, evt->cid);
900 mutex_unlock(&wil->mutex);
901 return;
902 }
903 }
904
905 ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
906 wil->sta[evt->cid].mid = vif->mid;
907 wil->sta[evt->cid].status = wil_sta_conn_pending;
908
909 rc = wil_tx_init(vif, evt->cid);
910 if (rc) {
911 wil_err(wil, "config tx vring failed for CID %d, rc (%d)\n",
912 evt->cid, rc);
913 wmi_disconnect_sta(vif, wil->sta[evt->cid].addr,
914 WLAN_REASON_UNSPECIFIED, false, false);
915 } else {
916 wil_info(wil, "successful connection to CID %d\n", evt->cid);
917 }
918
919 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
920 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
921 if (rc) {
922 netif_carrier_off(ndev);
923 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
924 wil_err(wil, "cfg80211_connect_result with failure\n");
925 cfg80211_connect_result(ndev, evt->bssid, NULL, 0,
926 NULL, 0,
927 WLAN_STATUS_UNSPECIFIED_FAILURE,
928 GFP_KERNEL);
929 goto out;
930 } else {
931 struct wiphy *wiphy = wil_to_wiphy(wil);
932
933 cfg80211_ref_bss(wiphy, vif->bss);
934 cfg80211_connect_bss(ndev, evt->bssid, vif->bss,
935 assoc_req_ie, assoc_req_ielen,
936 assoc_resp_ie, assoc_resp_ielen,
937 WLAN_STATUS_SUCCESS, GFP_KERNEL,
938 NL80211_TIMEOUT_UNSPECIFIED);
939 }
940 vif->bss = NULL;
941 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
942 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
943 if (rc) {
944 if (disable_ap_sme)
945 /* notify new_sta has failed */
946 cfg80211_del_sta(ndev, evt->bssid, GFP_KERNEL);
947 goto out;
948 }
949
950 memset(&sinfo, 0, sizeof(sinfo));
951
952 sinfo.generation = wil->sinfo_gen++;
953
954 if (assoc_req_ie) {
955 sinfo.assoc_req_ies = assoc_req_ie;
956 sinfo.assoc_req_ies_len = assoc_req_ielen;
957 }
958
959 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
960 } else {
961 wil_err(wil, "unhandled iftype %d for CID %d\n", wdev->iftype,
962 evt->cid);
963 goto out;
964 }
965
966 wil->sta[evt->cid].status = wil_sta_connected;
967 wil->sta[evt->cid].aid = evt->aid;
968 if (!test_and_set_bit(wil_vif_fwconnected, vif->status))
969 atomic_inc(&wil->connected_vifs);
970 wil_update_net_queues_bh(wil, vif, NULL, false);
971
972out:
973 if (rc) {
974 wil->sta[evt->cid].status = wil_sta_unused;
975 wil->sta[evt->cid].mid = U8_MAX;
976 }
977 clear_bit(wil_vif_fwconnecting, vif->status);
978 mutex_unlock(&wil->mutex);
979}
980
981static void wmi_evt_disconnect(struct wil6210_vif *vif, int id,
982 void *d, int len)
983{
984 struct wil6210_priv *wil = vif_to_wil(vif);
985 struct wmi_disconnect_event *evt = d;
986 u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
987
988 wil_info(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
989 evt->bssid, reason_code, evt->disconnect_reason);
990
991 wil->sinfo_gen++;
992
993 if (test_bit(wil_status_resetting, wil->status) ||
994 !test_bit(wil_status_fwready, wil->status)) {
995 wil_err(wil, "status_resetting, cancel disconnect event\n");
996 /* no need for cleanup, wil_reset will do that */
997 return;
998 }
999
1000 mutex_lock(&wil->mutex);
1001 wil6210_disconnect(vif, evt->bssid, reason_code, true);
1002 mutex_unlock(&wil->mutex);
1003}
1004
1005/*
1006 * Firmware reports EAPOL frame using WME event.
1007 * Reconstruct Ethernet frame and deliver it via normal Rx
1008 */
1009static void wmi_evt_eapol_rx(struct wil6210_vif *vif, int id, void *d, int len)
1010{
1011 struct wil6210_priv *wil = vif_to_wil(vif);
1012 struct net_device *ndev = vif_to_ndev(vif);
1013 struct wmi_eapol_rx_event *evt = d;
1014 u16 eapol_len = le16_to_cpu(evt->eapol_len);
1015 int sz = eapol_len + ETH_HLEN;
1016 struct sk_buff *skb;
1017 struct ethhdr *eth;
1018 int cid;
1019 struct wil_net_stats *stats = NULL;
1020
1021 wil_dbg_wmi(wil, "EAPOL len %d from %pM MID %d\n", eapol_len,
1022 evt->src_mac, vif->mid);
1023
1024 cid = wil_find_cid(wil, vif->mid, evt->src_mac);
1025 if (cid >= 0)
1026 stats = &wil->sta[cid].stats;
1027
1028 if (eapol_len > 196) { /* TODO: revisit size limit */
1029 wil_err(wil, "EAPOL too large\n");
1030 return;
1031 }
1032
1033 skb = alloc_skb(sz, GFP_KERNEL);
1034 if (!skb) {
1035 wil_err(wil, "Failed to allocate skb\n");
1036 return;
1037 }
1038
1039 eth = skb_put(skb, ETH_HLEN);
1040 ether_addr_copy(eth->h_dest, ndev->dev_addr);
1041 ether_addr_copy(eth->h_source, evt->src_mac);
1042 eth->h_proto = cpu_to_be16(ETH_P_PAE);
1043 skb_put_data(skb, evt->eapol, eapol_len);
1044 skb->protocol = eth_type_trans(skb, ndev);
1045 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
1046 ndev->stats.rx_packets++;
1047 ndev->stats.rx_bytes += sz;
1048 if (stats) {
1049 stats->rx_packets++;
1050 stats->rx_bytes += sz;
1051 }
1052 } else {
1053 ndev->stats.rx_dropped++;
1054 if (stats)
1055 stats->rx_dropped++;
1056 }
1057}
1058
1059static void wmi_evt_vring_en(struct wil6210_vif *vif, int id, void *d, int len)
1060{
1061 struct wil6210_priv *wil = vif_to_wil(vif);
1062 struct wmi_vring_en_event *evt = d;
1063 u8 vri = evt->vring_index;
1064 struct wireless_dev *wdev = vif_to_wdev(vif);
1065
1066 wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid);
1067
1068 if (vri >= ARRAY_SIZE(wil->vring_tx)) {
1069 wil_err(wil, "Enable for invalid vring %d\n", vri);
1070 return;
1071 }
1072
1073 if (wdev->iftype != NL80211_IFTYPE_AP || !disable_ap_sme)
1074 /* in AP mode with disable_ap_sme, this is done by
1075 * wil_cfg80211_change_station()
1076 */
1077 wil->vring_tx_data[vri].dot1x_open = true;
1078 if (vri == vif->bcast_vring) /* no BA for bcast */
1079 return;
1080 if (agg_wsize >= 0)
1081 wil_addba_tx_request(wil, vri, agg_wsize);
1082}
1083
1084static void wmi_evt_ba_status(struct wil6210_vif *vif, int id,
1085 void *d, int len)
1086{
1087 struct wil6210_priv *wil = vif_to_wil(vif);
1088 struct wmi_ba_status_event *evt = d;
1089 struct vring_tx_data *txdata;
1090
1091 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
1092 evt->ringid,
1093 evt->status == WMI_BA_AGREED ? "OK" : "N/A",
1094 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
1095 evt->amsdu ? "+" : "-");
1096
1097 if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
1098 wil_err(wil, "invalid ring id %d\n", evt->ringid);
1099 return;
1100 }
1101
1102 if (evt->status != WMI_BA_AGREED) {
1103 evt->ba_timeout = 0;
1104 evt->agg_wsize = 0;
1105 evt->amsdu = 0;
1106 }
1107
1108 txdata = &wil->vring_tx_data[evt->ringid];
1109
1110 txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
1111 txdata->agg_wsize = evt->agg_wsize;
1112 txdata->agg_amsdu = evt->amsdu;
1113 txdata->addba_in_progress = false;
1114}
1115
1116static void wmi_evt_addba_rx_req(struct wil6210_vif *vif, int id,
1117 void *d, int len)
1118{
1119 struct wil6210_priv *wil = vif_to_wil(vif);
1120 struct wmi_rcp_addba_req_event *evt = d;
1121
1122 wil_addba_rx_request(wil, vif->mid, evt->cidxtid, evt->dialog_token,
1123 evt->ba_param_set, evt->ba_timeout,
1124 evt->ba_seq_ctrl);
1125}
1126
1127static void wmi_evt_delba(struct wil6210_vif *vif, int id, void *d, int len)
1128__acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
1129{
1130 struct wil6210_priv *wil = vif_to_wil(vif);
1131 struct wmi_delba_event *evt = d;
1132 u8 cid, tid;
1133 u16 reason = __le16_to_cpu(evt->reason);
1134 struct wil_sta_info *sta;
1135 struct wil_tid_ampdu_rx *r;
1136
1137 might_sleep();
1138 parse_cidxtid(evt->cidxtid, &cid, &tid);
1139 wil_dbg_wmi(wil, "DELBA MID %d CID %d TID %d from %s reason %d\n",
1140 vif->mid, cid, tid,
1141 evt->from_initiator ? "originator" : "recipient",
1142 reason);
1143 if (!evt->from_initiator) {
1144 int i;
1145 /* find Tx vring it belongs to */
1146 for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) {
1147 if ((wil->vring2cid_tid[i][0] == cid) &&
1148 (wil->vring2cid_tid[i][1] == tid)) {
1149 struct vring_tx_data *txdata =
1150 &wil->vring_tx_data[i];
1151
1152 wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
1153 txdata->agg_timeout = 0;
1154 txdata->agg_wsize = 0;
1155 txdata->addba_in_progress = false;
1156
1157 break; /* max. 1 matching ring */
1158 }
1159 }
1160 if (i >= ARRAY_SIZE(wil->vring2cid_tid))
1161 wil_err(wil, "DELBA: unable to find Tx vring\n");
1162 return;
1163 }
1164
1165 sta = &wil->sta[cid];
1166
1167 spin_lock_bh(&sta->tid_rx_lock);
1168
1169 r = sta->tid_rx[tid];
1170 sta->tid_rx[tid] = NULL;
1171 wil_tid_ampdu_rx_free(wil, r);
1172
1173 spin_unlock_bh(&sta->tid_rx_lock);
1174}
1175
1176static void
1177wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len)
1178{
1179 struct wil6210_priv *wil = vif_to_wil(vif);
1180 struct wmi_sched_scan_result_event *data = d;
1181 struct wiphy *wiphy = wil_to_wiphy(wil);
1182 struct ieee80211_mgmt *rx_mgmt_frame =
1183 (struct ieee80211_mgmt *)data->payload;
1184 int flen = len - offsetof(struct wmi_sched_scan_result_event, payload);
1185 int ch_no;
1186 u32 freq;
1187 struct ieee80211_channel *channel;
1188 s32 signal;
1189 __le16 fc;
1190 u32 d_len;
1191 struct cfg80211_bss *bss;
1192
1193 if (flen < 0) {
1194 wil_err(wil, "sched scan result event too short, len %d\n",
1195 len);
1196 return;
1197 }
1198
1199 d_len = le32_to_cpu(data->info.len);
1200 if (d_len != flen) {
1201 wil_err(wil,
1202 "sched scan result length mismatch, d_len %d should be %d\n",
1203 d_len, flen);
1204 return;
1205 }
1206
1207 fc = rx_mgmt_frame->frame_control;
1208 if (!ieee80211_is_probe_resp(fc)) {
1209 wil_err(wil, "sched scan result invalid frame, fc 0x%04x\n",
1210 fc);
1211 return;
1212 }
1213
1214 ch_no = data->info.channel + 1;
1215 freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
1216 channel = ieee80211_get_channel(wiphy, freq);
1217 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
1218 signal = 100 * data->info.rssi;
1219 else
1220 signal = data->info.sqi;
1221
1222 wil_dbg_wmi(wil, "sched scan result: channel %d MCS %d RSSI %d\n",
1223 data->info.channel, data->info.mcs, data->info.rssi);
1224 wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n",
1225 d_len, data->info.qid, data->info.mid, data->info.cid);
1226 wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
1227 d_len, true);
1228
1229 if (!channel) {
1230 wil_err(wil, "Frame on unsupported channel\n");
1231 return;
1232 }
1233
1234 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
1235 d_len, signal, GFP_KERNEL);
1236 if (bss) {
1237 wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid);
1238 cfg80211_put_bss(wiphy, bss);
1239 } else {
1240 wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
1241 }
1242
1243 cfg80211_sched_scan_results(wiphy, 0);
1244}
1245
1246/**
1247 * Some events are ignored for purpose; and need not be interpreted as
1248 * "unhandled events"
1249 */
1250static void wmi_evt_ignore(struct wil6210_vif *vif, int id, void *d, int len)
1251{
1252 struct wil6210_priv *wil = vif_to_wil(vif);
1253
1254 wil_dbg_wmi(wil, "Ignore event 0x%04x len %d\n", id, len);
1255}
1256
1257static const struct {
1258 int eventid;
1259 void (*handler)(struct wil6210_vif *vif,
1260 int eventid, void *data, int data_len);
1261} wmi_evt_handlers[] = {
1262 {WMI_READY_EVENTID, wmi_evt_ready},
1263 {WMI_FW_READY_EVENTID, wmi_evt_ignore},
1264 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
1265 {WMI_TX_MGMT_PACKET_EVENTID, wmi_evt_tx_mgmt},
1266 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
1267 {WMI_CONNECT_EVENTID, wmi_evt_connect},
1268 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
1269 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
1270 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
1271 {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req},
1272 {WMI_DELBA_EVENTID, wmi_evt_delba},
1273 {WMI_VRING_EN_EVENTID, wmi_evt_vring_en},
1274 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore},
1275 {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result},
1276};
1277
1278/*
1279 * Run in IRQ context
1280 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
1281 * that will be eventually handled by the @wmi_event_worker in the thread
1282 * context of thread "wil6210_wmi"
1283 */
1284void wmi_recv_cmd(struct wil6210_priv *wil)
1285{
1286 struct wil6210_mbox_ring_desc d_tail;
1287 struct wil6210_mbox_hdr hdr;
1288 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
1289 struct pending_wmi_event *evt;
1290 u8 *cmd;
1291 void __iomem *src;
1292 ulong flags;
1293 unsigned n;
1294 unsigned int num_immed_reply = 0;
1295
1296 if (!test_bit(wil_status_mbox_ready, wil->status)) {
1297 wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
1298 return;
1299 }
1300
1301 if (test_bit(wil_status_suspended, wil->status)) {
1302 wil_err(wil, "suspended. cannot handle WMI event\n");
1303 return;
1304 }
1305
1306 for (n = 0;; n++) {
1307 u16 len;
1308 bool q;
1309 bool immed_reply = false;
1310
1311 r->head = wil_r(wil, RGF_MBOX +
1312 offsetof(struct wil6210_mbox_ctl, rx.head));
1313 if (r->tail == r->head)
1314 break;
1315
1316 wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
1317 r->head, r->tail);
1318 /* read cmd descriptor from tail */
1319 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
1320 sizeof(struct wil6210_mbox_ring_desc));
1321 if (d_tail.sync == 0) {
1322 wil_err(wil, "Mbox evt not owned by FW?\n");
1323 break;
1324 }
1325
1326 /* read cmd header from descriptor */
1327 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
1328 wil_err(wil, "Mbox evt at 0x%08x?\n",
1329 le32_to_cpu(d_tail.addr));
1330 break;
1331 }
1332 len = le16_to_cpu(hdr.len);
1333 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
1334 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
1335 hdr.flags);
1336
1337 /* read cmd buffer from descriptor */
1338 src = wmi_buffer(wil, d_tail.addr) +
1339 sizeof(struct wil6210_mbox_hdr);
1340 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
1341 event.wmi) + len, 4),
1342 GFP_KERNEL);
1343 if (!evt)
1344 break;
1345
1346 evt->event.hdr = hdr;
1347 cmd = (void *)&evt->event.wmi;
1348 wil_memcpy_fromio_32(cmd, src, len);
1349 /* mark entry as empty */
1350 wil_w(wil, r->tail +
1351 offsetof(struct wil6210_mbox_ring_desc, sync), 0);
1352 /* indicate */
1353 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
1354 (len >= sizeof(struct wmi_cmd_hdr))) {
1355 struct wmi_cmd_hdr *wmi = &evt->event.wmi;
1356 u16 id = le16_to_cpu(wmi->command_id);
1357 u8 mid = wmi->mid;
1358 u32 tstamp = le32_to_cpu(wmi->fw_timestamp);
1359 if (test_bit(wil_status_resuming, wil->status)) {
1360 if (id == WMI_TRAFFIC_RESUME_EVENTID)
1361 clear_bit(wil_status_resuming,
1362 wil->status);
1363 else
1364 wil_err(wil,
1365 "WMI evt %d while resuming\n",
1366 id);
1367 }
1368 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1369 if (wil->reply_id && wil->reply_id == id &&
1370 wil->reply_mid == mid) {
1371 if (wil->reply_buf) {
1372 memcpy(wil->reply_buf, wmi,
1373 min(len, wil->reply_size));
1374 immed_reply = true;
1375 }
1376 if (id == WMI_TRAFFIC_SUSPEND_EVENTID) {
1377 wil_dbg_wmi(wil,
1378 "set suspend_resp_rcvd\n");
1379 wil->suspend_resp_rcvd = true;
1380 }
1381 }
1382 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1383
1384 wil_dbg_wmi(wil, "recv %s (0x%04x) MID %d @%d msec\n",
1385 eventid2name(id), id, wmi->mid, tstamp);
1386 trace_wil6210_wmi_event(wmi, &wmi[1],
1387 len - sizeof(*wmi));
1388 }
1389 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
1390 &evt->event.hdr, sizeof(hdr) + len, true);
1391
1392 /* advance tail */
1393 r->tail = r->base + ((r->tail - r->base +
1394 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
1395 wil_w(wil, RGF_MBOX +
1396 offsetof(struct wil6210_mbox_ctl, rx.tail), r->tail);
1397
1398 if (immed_reply) {
1399 wil_dbg_wmi(wil, "recv_cmd: Complete WMI 0x%04x\n",
1400 wil->reply_id);
1401 kfree(evt);
1402 num_immed_reply++;
1403 complete(&wil->wmi_call);
1404 } else {
1405 /* add to the pending list */
1406 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1407 list_add_tail(&evt->list, &wil->pending_wmi_ev);
1408 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1409 q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
1410 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
1411 }
1412 }
1413 /* normally, 1 event per IRQ should be processed */
1414 wil_dbg_wmi(wil, "recv_cmd: -> %d events queued, %d completed\n",
1415 n - num_immed_reply, num_immed_reply);
1416}
1417
1418int wmi_call(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len,
1419 u16 reply_id, void *reply, u8 reply_size, int to_msec)
1420{
1421 int rc;
1422 unsigned long remain;
1423
1424 mutex_lock(&wil->wmi_mutex);
1425
1426 spin_lock(&wil->wmi_ev_lock);
1427 wil->reply_id = reply_id;
1428 wil->reply_mid = mid;
1429 wil->reply_buf = reply;
1430 wil->reply_size = reply_size;
1431 reinit_completion(&wil->wmi_call);
1432 spin_unlock(&wil->wmi_ev_lock);
1433
1434 rc = __wmi_send(wil, cmdid, mid, buf, len);
1435 if (rc)
1436 goto out;
1437
1438 remain = wait_for_completion_timeout(&wil->wmi_call,
1439 msecs_to_jiffies(to_msec));
1440 if (0 == remain) {
1441 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
1442 cmdid, reply_id, to_msec);
1443 rc = -ETIME;
1444 } else {
1445 wil_dbg_wmi(wil,
1446 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
1447 cmdid, reply_id,
1448 to_msec - jiffies_to_msecs(remain));
1449 }
1450
1451out:
1452 spin_lock(&wil->wmi_ev_lock);
1453 wil->reply_id = 0;
1454 wil->reply_mid = U8_MAX;
1455 wil->reply_buf = NULL;
1456 wil->reply_size = 0;
1457 spin_unlock(&wil->wmi_ev_lock);
1458
1459 mutex_unlock(&wil->wmi_mutex);
1460
1461 return rc;
1462}
1463
1464int wmi_echo(struct wil6210_priv *wil)
1465{
1466 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1467 struct wmi_echo_cmd cmd = {
1468 .value = cpu_to_le32(0x12345678),
1469 };
1470
1471 return wmi_call(wil, WMI_ECHO_CMDID, vif->mid, &cmd, sizeof(cmd),
1472 WMI_ECHO_RSP_EVENTID, NULL, 0, 50);
1473}
1474
1475int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
1476{
1477 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1478 struct wmi_set_mac_address_cmd cmd;
1479
1480 ether_addr_copy(cmd.mac, addr);
1481
1482 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
1483
1484 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, vif->mid,
1485 &cmd, sizeof(cmd));
1486}
1487
1488int wmi_led_cfg(struct wil6210_priv *wil, bool enable)
1489{
1490 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1491 int rc = 0;
1492 struct wmi_led_cfg_cmd cmd = {
1493 .led_mode = enable,
1494 .id = led_id,
1495 .slow_blink_cfg.blink_on =
1496 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].on_ms),
1497 .slow_blink_cfg.blink_off =
1498 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].off_ms),
1499 .medium_blink_cfg.blink_on =
1500 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].on_ms),
1501 .medium_blink_cfg.blink_off =
1502 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].off_ms),
1503 .fast_blink_cfg.blink_on =
1504 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].on_ms),
1505 .fast_blink_cfg.blink_off =
1506 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].off_ms),
1507 .led_polarity = led_polarity,
1508 };
1509 struct {
1510 struct wmi_cmd_hdr wmi;
1511 struct wmi_led_cfg_done_event evt;
1512 } __packed reply;
1513
1514 if (led_id == WIL_LED_INVALID_ID)
1515 goto out;
1516
1517 if (led_id > WIL_LED_MAX_ID) {
1518 wil_err(wil, "Invalid led id %d\n", led_id);
1519 rc = -EINVAL;
1520 goto out;
1521 }
1522
1523 wil_dbg_wmi(wil,
1524 "%s led %d\n",
1525 enable ? "enabling" : "disabling", led_id);
1526
1527 rc = wmi_call(wil, WMI_LED_CFG_CMDID, vif->mid, &cmd, sizeof(cmd),
1528 WMI_LED_CFG_DONE_EVENTID, &reply, sizeof(reply),
1529 100);
1530 if (rc)
1531 goto out;
1532
1533 if (reply.evt.status) {
1534 wil_err(wil, "led %d cfg failed with status %d\n",
1535 led_id, le32_to_cpu(reply.evt.status));
1536 rc = -EINVAL;
1537 }
1538
1539out:
1540 return rc;
1541}
1542
1543int wmi_pcp_start(struct wil6210_vif *vif,
1544 int bi, u8 wmi_nettype, u8 chan, u8 hidden_ssid, u8 is_go)
1545{
1546 struct wil6210_priv *wil = vif_to_wil(vif);
1547 int rc;
1548
1549 struct wmi_pcp_start_cmd cmd = {
1550 .bcon_interval = cpu_to_le16(bi),
1551 .network_type = wmi_nettype,
1552 .disable_sec_offload = 1,
1553 .channel = chan - 1,
1554 .pcp_max_assoc_sta = max_assoc_sta,
1555 .hidden_ssid = hidden_ssid,
1556 .is_go = is_go,
1557 .disable_ap_sme = disable_ap_sme,
1558 .abft_len = wil->abft_len,
1559 };
1560 struct {
1561 struct wmi_cmd_hdr wmi;
1562 struct wmi_pcp_started_event evt;
1563 } __packed reply;
1564
1565 if (!vif->privacy)
1566 cmd.disable_sec = 1;
1567
1568 if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
1569 (cmd.pcp_max_assoc_sta <= 0)) {
1570 wil_info(wil,
1571 "Requested connection limit %u, valid values are 1 - %d. Setting to %d\n",
1572 max_assoc_sta, WIL6210_MAX_CID, WIL6210_MAX_CID);
1573 cmd.pcp_max_assoc_sta = WIL6210_MAX_CID;
1574 }
1575
1576 if (disable_ap_sme &&
1577 !test_bit(WMI_FW_CAPABILITY_DISABLE_AP_SME,
1578 wil->fw_capabilities)) {
1579 wil_err(wil, "disable_ap_sme not supported by FW\n");
1580 return -EOPNOTSUPP;
1581 }
1582
1583 /*
1584 * Processing time may be huge, in case of secure AP it takes about
1585 * 3500ms for FW to start AP
1586 */
1587 rc = wmi_call(wil, WMI_PCP_START_CMDID, vif->mid, &cmd, sizeof(cmd),
1588 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
1589 if (rc)
1590 return rc;
1591
1592 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
1593 rc = -EINVAL;
1594
1595 if (wmi_nettype != WMI_NETTYPE_P2P)
1596 /* Don't fail due to error in the led configuration */
1597 wmi_led_cfg(wil, true);
1598
1599 return rc;
1600}
1601
1602int wmi_pcp_stop(struct wil6210_vif *vif)
1603{
1604 struct wil6210_priv *wil = vif_to_wil(vif);
1605 int rc;
1606
1607 rc = wmi_led_cfg(wil, false);
1608 if (rc)
1609 return rc;
1610
1611 return wmi_call(wil, WMI_PCP_STOP_CMDID, vif->mid, NULL, 0,
1612 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
1613}
1614
1615int wmi_set_ssid(struct wil6210_vif *vif, u8 ssid_len, const void *ssid)
1616{
1617 struct wil6210_priv *wil = vif_to_wil(vif);
1618 struct wmi_set_ssid_cmd cmd = {
1619 .ssid_len = cpu_to_le32(ssid_len),
1620 };
1621
1622 if (ssid_len > sizeof(cmd.ssid))
1623 return -EINVAL;
1624
1625 memcpy(cmd.ssid, ssid, ssid_len);
1626
1627 return wmi_send(wil, WMI_SET_SSID_CMDID, vif->mid, &cmd, sizeof(cmd));
1628}
1629
1630int wmi_get_ssid(struct wil6210_vif *vif, u8 *ssid_len, void *ssid)
1631{
1632 struct wil6210_priv *wil = vif_to_wil(vif);
1633 int rc;
1634 struct {
1635 struct wmi_cmd_hdr wmi;
1636 struct wmi_set_ssid_cmd cmd;
1637 } __packed reply;
1638 int len; /* reply.cmd.ssid_len in CPU order */
1639
1640 rc = wmi_call(wil, WMI_GET_SSID_CMDID, vif->mid, NULL, 0,
1641 WMI_GET_SSID_EVENTID, &reply, sizeof(reply), 20);
1642 if (rc)
1643 return rc;
1644
1645 len = le32_to_cpu(reply.cmd.ssid_len);
1646 if (len > sizeof(reply.cmd.ssid))
1647 return -EINVAL;
1648
1649 *ssid_len = len;
1650 memcpy(ssid, reply.cmd.ssid, len);
1651
1652 return 0;
1653}
1654
1655int wmi_set_channel(struct wil6210_priv *wil, int channel)
1656{
1657 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1658 struct wmi_set_pcp_channel_cmd cmd = {
1659 .channel = channel - 1,
1660 };
1661
1662 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, vif->mid,
1663 &cmd, sizeof(cmd));
1664}
1665
1666int wmi_get_channel(struct wil6210_priv *wil, int *channel)
1667{
1668 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1669 int rc;
1670 struct {
1671 struct wmi_cmd_hdr wmi;
1672 struct wmi_set_pcp_channel_cmd cmd;
1673 } __packed reply;
1674
1675 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, vif->mid, NULL, 0,
1676 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
1677 if (rc)
1678 return rc;
1679
1680 if (reply.cmd.channel > 3)
1681 return -EINVAL;
1682
1683 *channel = reply.cmd.channel + 1;
1684
1685 return 0;
1686}
1687
1688int wmi_p2p_cfg(struct wil6210_vif *vif, int channel, int bi)
1689{
1690 struct wil6210_priv *wil = vif_to_wil(vif);
1691 int rc;
1692 struct wmi_p2p_cfg_cmd cmd = {
1693 .discovery_mode = WMI_DISCOVERY_MODE_PEER2PEER,
1694 .bcon_interval = cpu_to_le16(bi),
1695 .channel = channel - 1,
1696 };
1697 struct {
1698 struct wmi_cmd_hdr wmi;
1699 struct wmi_p2p_cfg_done_event evt;
1700 } __packed reply;
1701
1702 wil_dbg_wmi(wil, "sending WMI_P2P_CFG_CMDID\n");
1703
1704 rc = wmi_call(wil, WMI_P2P_CFG_CMDID, vif->mid, &cmd, sizeof(cmd),
1705 WMI_P2P_CFG_DONE_EVENTID, &reply, sizeof(reply), 300);
1706 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1707 wil_err(wil, "P2P_CFG failed. status %d\n", reply.evt.status);
1708 rc = -EINVAL;
1709 }
1710
1711 return rc;
1712}
1713
1714int wmi_start_listen(struct wil6210_vif *vif)
1715{
1716 struct wil6210_priv *wil = vif_to_wil(vif);
1717 int rc;
1718 struct {
1719 struct wmi_cmd_hdr wmi;
1720 struct wmi_listen_started_event evt;
1721 } __packed reply;
1722
1723 wil_dbg_wmi(wil, "sending WMI_START_LISTEN_CMDID\n");
1724
1725 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0,
1726 WMI_LISTEN_STARTED_EVENTID, &reply, sizeof(reply), 300);
1727 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1728 wil_err(wil, "device failed to start listen. status %d\n",
1729 reply.evt.status);
1730 rc = -EINVAL;
1731 }
1732
1733 return rc;
1734}
1735
1736int wmi_start_search(struct wil6210_vif *vif)
1737{
1738 struct wil6210_priv *wil = vif_to_wil(vif);
1739 int rc;
1740 struct {
1741 struct wmi_cmd_hdr wmi;
1742 struct wmi_search_started_event evt;
1743 } __packed reply;
1744
1745 wil_dbg_wmi(wil, "sending WMI_START_SEARCH_CMDID\n");
1746
1747 rc = wmi_call(wil, WMI_START_SEARCH_CMDID, vif->mid, NULL, 0,
1748 WMI_SEARCH_STARTED_EVENTID, &reply, sizeof(reply), 300);
1749 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
1750 wil_err(wil, "device failed to start search. status %d\n",
1751 reply.evt.status);
1752 rc = -EINVAL;
1753 }
1754
1755 return rc;
1756}
1757
1758int wmi_stop_discovery(struct wil6210_vif *vif)
1759{
1760 struct wil6210_priv *wil = vif_to_wil(vif);
1761 int rc;
1762
1763 wil_dbg_wmi(wil, "sending WMI_DISCOVERY_STOP_CMDID\n");
1764
1765 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0,
1766 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 100);
1767
1768 if (rc)
1769 wil_err(wil, "Failed to stop discovery\n");
1770
1771 return rc;
1772}
1773
1774int wmi_del_cipher_key(struct wil6210_vif *vif, u8 key_index,
1775 const void *mac_addr, int key_usage)
1776{
1777 struct wil6210_priv *wil = vif_to_wil(vif);
1778 struct wmi_delete_cipher_key_cmd cmd = {
1779 .key_index = key_index,
1780 };
1781
1782 if (mac_addr)
1783 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
1784
1785 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, vif->mid,
1786 &cmd, sizeof(cmd));
1787}
1788
1789int wmi_add_cipher_key(struct wil6210_vif *vif, u8 key_index,
1790 const void *mac_addr, int key_len, const void *key,
1791 int key_usage)
1792{
1793 struct wil6210_priv *wil = vif_to_wil(vif);
1794 struct wmi_add_cipher_key_cmd cmd = {
1795 .key_index = key_index,
1796 .key_usage = key_usage,
1797 .key_len = key_len,
1798 };
1799
1800 if (!key || (key_len > sizeof(cmd.key)))
1801 return -EINVAL;
1802
1803 memcpy(cmd.key, key, key_len);
1804 if (mac_addr)
1805 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
1806
1807 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, vif->mid,
1808 &cmd, sizeof(cmd));
1809}
1810
1811int wmi_set_ie(struct wil6210_vif *vif, u8 type, u16 ie_len, const void *ie)
1812{
1813 struct wil6210_priv *wil = vif_to_wil(vif);
1814 static const char *const names[] = {
1815 [WMI_FRAME_BEACON] = "BEACON",
1816 [WMI_FRAME_PROBE_REQ] = "PROBE_REQ",
1817 [WMI_FRAME_PROBE_RESP] = "WMI_FRAME_PROBE_RESP",
1818 [WMI_FRAME_ASSOC_REQ] = "WMI_FRAME_ASSOC_REQ",
1819 [WMI_FRAME_ASSOC_RESP] = "WMI_FRAME_ASSOC_RESP",
1820 };
1821 int rc;
1822 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
1823 struct wmi_set_appie_cmd *cmd;
1824
1825 if (len < ie_len) {
1826 rc = -EINVAL;
1827 goto out;
1828 }
1829
1830 cmd = kzalloc(len, GFP_KERNEL);
1831 if (!cmd) {
1832 rc = -ENOMEM;
1833 goto out;
1834 }
1835 if (!ie)
1836 ie_len = 0;
1837
1838 cmd->mgmt_frm_type = type;
1839 /* BUG: FW API define ieLen as u8. Will fix FW */
1840 cmd->ie_len = cpu_to_le16(ie_len);
1841 memcpy(cmd->ie_info, ie, ie_len);
1842 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, vif->mid, cmd, len);
1843 kfree(cmd);
1844out:
1845 if (rc) {
1846 const char *name = type < ARRAY_SIZE(names) ?
1847 names[type] : "??";
1848 wil_err(wil, "set_ie(%d %s) failed : %d\n", type, name, rc);
1849 }
1850
1851 return rc;
1852}
1853
1854/**
1855 * wmi_rxon - turn radio on/off
1856 * @on: turn on if true, off otherwise
1857 *
1858 * Only switch radio. Channel should be set separately.
1859 * No timeout for rxon - radio turned on forever unless some other call
1860 * turns it off
1861 */
1862int wmi_rxon(struct wil6210_priv *wil, bool on)
1863{
1864 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1865 int rc;
1866 struct {
1867 struct wmi_cmd_hdr wmi;
1868 struct wmi_listen_started_event evt;
1869 } __packed reply;
1870
1871 wil_info(wil, "(%s)\n", on ? "on" : "off");
1872
1873 if (on) {
1874 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0,
1875 WMI_LISTEN_STARTED_EVENTID,
1876 &reply, sizeof(reply), 100);
1877 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
1878 rc = -EINVAL;
1879 } else {
1880 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0,
1881 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
1882 }
1883
1884 return rc;
1885}
1886
1887int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
1888{
1889 struct net_device *ndev = wil->main_ndev;
1890 struct wireless_dev *wdev = ndev->ieee80211_ptr;
1891 struct wil6210_vif *vif = ndev_to_vif(ndev);
1892 struct wmi_cfg_rx_chain_cmd cmd = {
1893 .action = WMI_RX_CHAIN_ADD,
1894 .rx_sw_ring = {
1895 .max_mpdu_size = cpu_to_le16(
1896 wil_mtu2macbuf(wil->rx_buf_len)),
1897 .ring_mem_base = cpu_to_le64(vring->pa),
1898 .ring_size = cpu_to_le16(vring->size),
1899 },
1900 .mid = 0, /* TODO - what is it? */
1901 .decap_trans_type = WMI_DECAP_TYPE_802_3,
1902 .reorder_type = WMI_RX_SW_REORDER,
1903 .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
1904 };
1905 struct {
1906 struct wmi_cmd_hdr wmi;
1907 struct wmi_cfg_rx_chain_done_event evt;
1908 } __packed evt;
1909 int rc;
1910
1911 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
1912 struct ieee80211_channel *ch = wil->monitor_chandef.chan;
1913
1914 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
1915 if (ch)
1916 cmd.sniffer_cfg.channel = ch->hw_value - 1;
1917 cmd.sniffer_cfg.phy_info_mode =
1918 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
1919 cmd.sniffer_cfg.phy_support =
1920 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
1921 ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
1922 } else {
1923 /* Initialize offload (in non-sniffer mode).
1924 * Linux IP stack always calculates IP checksum
1925 * HW always calculate TCP/UDP checksum
1926 */
1927 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
1928 }
1929
1930 if (rx_align_2)
1931 cmd.l2_802_3_offload_ctrl |=
1932 L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
1933
1934 /* typical time for secure PCP is 840ms */
1935 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, vif->mid, &cmd, sizeof(cmd),
1936 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
1937 if (rc)
1938 return rc;
1939
1940 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
1941
1942 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
1943 le32_to_cpu(evt.evt.status), vring->hwtail);
1944
1945 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
1946 rc = -EINVAL;
1947
1948 return rc;
1949}
1950
1951int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
1952{
1953 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
1954 int rc;
1955 struct wmi_temp_sense_cmd cmd = {
1956 .measure_baseband_en = cpu_to_le32(!!t_bb),
1957 .measure_rf_en = cpu_to_le32(!!t_rf),
1958 .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
1959 };
1960 struct {
1961 struct wmi_cmd_hdr wmi;
1962 struct wmi_temp_sense_done_event evt;
1963 } __packed reply;
1964
1965 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, vif->mid, &cmd, sizeof(cmd),
1966 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
1967 if (rc)
1968 return rc;
1969
1970 if (t_bb)
1971 *t_bb = le32_to_cpu(reply.evt.baseband_t1000);
1972 if (t_rf)
1973 *t_rf = le32_to_cpu(reply.evt.rf_t1000);
1974
1975 return 0;
1976}
1977
1978int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac,
1979 u16 reason, bool full_disconnect, bool del_sta)
1980{
1981 struct wil6210_priv *wil = vif_to_wil(vif);
1982 int rc;
1983 u16 reason_code;
1984 struct wmi_disconnect_sta_cmd disc_sta_cmd = {
1985 .disconnect_reason = cpu_to_le16(reason),
1986 };
1987 struct wmi_del_sta_cmd del_sta_cmd = {
1988 .disconnect_reason = cpu_to_le16(reason),
1989 };
1990 struct {
1991 struct wmi_cmd_hdr wmi;
1992 struct wmi_disconnect_event evt;
1993 } __packed reply;
1994
1995 wil_dbg_wmi(wil, "disconnect_sta: (%pM, reason %d)\n", mac, reason);
1996
1997 vif->locally_generated_disc = true;
1998 if (del_sta) {
1999 ether_addr_copy(del_sta_cmd.dst_mac, mac);
2000 rc = wmi_call(wil, WMI_DEL_STA_CMDID, vif->mid, &del_sta_cmd,
2001 sizeof(del_sta_cmd), WMI_DISCONNECT_EVENTID,
2002 &reply, sizeof(reply), 1000);
2003 } else {
2004 ether_addr_copy(disc_sta_cmd.dst_mac, mac);
2005 rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, vif->mid,
2006 &disc_sta_cmd, sizeof(disc_sta_cmd),
2007 WMI_DISCONNECT_EVENTID,
2008 &reply, sizeof(reply), 1000);
2009 }
2010 /* failure to disconnect in reasonable time treated as FW error */
2011 if (rc) {
2012 wil_fw_error_recovery(wil);
2013 return rc;
2014 }
2015
2016 if (full_disconnect) {
2017 /* call event handler manually after processing wmi_call,
2018 * to avoid deadlock - disconnect event handler acquires
2019 * wil->mutex while it is already held here
2020 */
2021 reason_code = le16_to_cpu(reply.evt.protocol_reason_status);
2022
2023 wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
2024 reply.evt.bssid, reason_code,
2025 reply.evt.disconnect_reason);
2026
2027 wil->sinfo_gen++;
2028 wil6210_disconnect(vif, reply.evt.bssid, reason_code, true);
2029 }
2030 return 0;
2031}
2032
2033int wmi_addba(struct wil6210_priv *wil, u8 mid,
2034 u8 ringid, u8 size, u16 timeout)
2035{
2036 struct wmi_vring_ba_en_cmd cmd = {
2037 .ringid = ringid,
2038 .agg_max_wsize = size,
2039 .ba_timeout = cpu_to_le16(timeout),
2040 .amsdu = 0,
2041 };
2042
2043 wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d)\n", ringid, size,
2044 timeout);
2045
2046 return wmi_send(wil, WMI_VRING_BA_EN_CMDID, mid, &cmd, sizeof(cmd));
2047}
2048
2049int wmi_delba_tx(struct wil6210_priv *wil, u8 mid, u8 ringid, u16 reason)
2050{
2051 struct wmi_vring_ba_dis_cmd cmd = {
2052 .ringid = ringid,
2053 .reason = cpu_to_le16(reason),
2054 };
2055
2056 wil_dbg_wmi(wil, "delba_tx: (ring %d reason %d)\n", ringid, reason);
2057
2058 return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, mid, &cmd, sizeof(cmd));
2059}
2060
2061int wmi_delba_rx(struct wil6210_priv *wil, u8 mid, u8 cidxtid, u16 reason)
2062{
2063 struct wmi_rcp_delba_cmd cmd = {
2064 .cidxtid = cidxtid,
2065 .reason = cpu_to_le16(reason),
2066 };
2067
2068 wil_dbg_wmi(wil, "delba_rx: (CID %d TID %d reason %d)\n", cidxtid & 0xf,
2069 (cidxtid >> 4) & 0xf, reason);
2070
2071 return wmi_send(wil, WMI_RCP_DELBA_CMDID, mid, &cmd, sizeof(cmd));
2072}
2073
2074int wmi_addba_rx_resp(struct wil6210_priv *wil,
2075 u8 mid, u8 cid, u8 tid, u8 token,
2076 u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
2077{
2078 int rc;
2079 struct wmi_rcp_addba_resp_cmd cmd = {
2080 .cidxtid = mk_cidxtid(cid, tid),
2081 .dialog_token = token,
2082 .status_code = cpu_to_le16(status),
2083 /* bit 0: A-MSDU supported
2084 * bit 1: policy (should be 0 for us)
2085 * bits 2..5: TID
2086 * bits 6..15: buffer size
2087 */
2088 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
2089 (agg_wsize << 6)),
2090 .ba_timeout = cpu_to_le16(timeout),
2091 };
2092 struct {
2093 struct wmi_cmd_hdr wmi;
2094 struct wmi_rcp_addba_resp_sent_event evt;
2095 } __packed reply;
2096
2097 wil_dbg_wmi(wil,
2098 "ADDBA response for MID %d CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
2099 mid, cid, tid, agg_wsize,
2100 timeout, status, amsdu ? "+" : "-");
2101
2102 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, mid, &cmd, sizeof(cmd),
2103 WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
2104 100);
2105 if (rc)
2106 return rc;
2107
2108 if (reply.evt.status) {
2109 wil_err(wil, "ADDBA response failed with status %d\n",
2110 le16_to_cpu(reply.evt.status));
2111 rc = -EINVAL;
2112 }
2113
2114 return rc;
2115}
2116
2117int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil,
2118 enum wmi_ps_profile_type ps_profile)
2119{
2120 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2121 int rc;
2122 struct wmi_ps_dev_profile_cfg_cmd cmd = {
2123 .ps_profile = ps_profile,
2124 };
2125 struct {
2126 struct wmi_cmd_hdr wmi;
2127 struct wmi_ps_dev_profile_cfg_event evt;
2128 } __packed reply;
2129 u32 status;
2130
2131 wil_dbg_wmi(wil, "Setting ps dev profile %d\n", ps_profile);
2132
2133 reply.evt.status = cpu_to_le32(WMI_PS_CFG_CMD_STATUS_ERROR);
2134
2135 rc = wmi_call(wil, WMI_PS_DEV_PROFILE_CFG_CMDID, vif->mid,
2136 &cmd, sizeof(cmd),
2137 WMI_PS_DEV_PROFILE_CFG_EVENTID, &reply, sizeof(reply),
2138 100);
2139 if (rc)
2140 return rc;
2141
2142 status = le32_to_cpu(reply.evt.status);
2143
2144 if (status != WMI_PS_CFG_CMD_STATUS_SUCCESS) {
2145 wil_err(wil, "ps dev profile cfg failed with status %d\n",
2146 status);
2147 rc = -EINVAL;
2148 }
2149
2150 return rc;
2151}
2152
2153int wmi_set_mgmt_retry(struct wil6210_priv *wil, u8 retry_short)
2154{
2155 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2156 int rc;
2157 struct wmi_set_mgmt_retry_limit_cmd cmd = {
2158 .mgmt_retry_limit = retry_short,
2159 };
2160 struct {
2161 struct wmi_cmd_hdr wmi;
2162 struct wmi_set_mgmt_retry_limit_event evt;
2163 } __packed reply;
2164
2165 wil_dbg_wmi(wil, "Setting mgmt retry short %d\n", retry_short);
2166
2167 if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities))
2168 return -ENOTSUPP;
2169
2170 reply.evt.status = WMI_FW_STATUS_FAILURE;
2171
2172 rc = wmi_call(wil, WMI_SET_MGMT_RETRY_LIMIT_CMDID, vif->mid,
2173 &cmd, sizeof(cmd),
2174 WMI_SET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply),
2175 100);
2176 if (rc)
2177 return rc;
2178
2179 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2180 wil_err(wil, "set mgmt retry limit failed with status %d\n",
2181 reply.evt.status);
2182 rc = -EINVAL;
2183 }
2184
2185 return rc;
2186}
2187
2188int wmi_get_mgmt_retry(struct wil6210_priv *wil, u8 *retry_short)
2189{
2190 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2191 int rc;
2192 struct {
2193 struct wmi_cmd_hdr wmi;
2194 struct wmi_get_mgmt_retry_limit_event evt;
2195 } __packed reply;
2196
2197 wil_dbg_wmi(wil, "getting mgmt retry short\n");
2198
2199 if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities))
2200 return -ENOTSUPP;
2201
2202 reply.evt.mgmt_retry_limit = 0;
2203 rc = wmi_call(wil, WMI_GET_MGMT_RETRY_LIMIT_CMDID, vif->mid, NULL, 0,
2204 WMI_GET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply),
2205 100);
2206 if (rc)
2207 return rc;
2208
2209 if (retry_short)
2210 *retry_short = reply.evt.mgmt_retry_limit;
2211
2212 return 0;
2213}
2214
2215int wmi_abort_scan(struct wil6210_vif *vif)
2216{
2217 struct wil6210_priv *wil = vif_to_wil(vif);
2218 int rc;
2219
2220 wil_dbg_wmi(wil, "sending WMI_ABORT_SCAN_CMDID\n");
2221
2222 rc = wmi_send(wil, WMI_ABORT_SCAN_CMDID, vif->mid, NULL, 0);
2223 if (rc)
2224 wil_err(wil, "Failed to abort scan (%d)\n", rc);
2225
2226 return rc;
2227}
2228
2229int wmi_new_sta(struct wil6210_vif *vif, const u8 *mac, u8 aid)
2230{
2231 struct wil6210_priv *wil = vif_to_wil(vif);
2232 int rc;
2233 struct wmi_new_sta_cmd cmd = {
2234 .aid = aid,
2235 };
2236
2237 wil_dbg_wmi(wil, "new sta %pM, aid %d\n", mac, aid);
2238
2239 ether_addr_copy(cmd.dst_mac, mac);
2240
2241 rc = wmi_send(wil, WMI_NEW_STA_CMDID, vif->mid, &cmd, sizeof(cmd));
2242 if (rc)
2243 wil_err(wil, "Failed to send new sta (%d)\n", rc);
2244
2245 return rc;
2246}
2247
2248void wmi_event_flush(struct wil6210_priv *wil)
2249{
2250 ulong flags;
2251 struct pending_wmi_event *evt, *t;
2252
2253 wil_dbg_wmi(wil, "event_flush\n");
2254
2255 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2256
2257 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
2258 list_del(&evt->list);
2259 kfree(evt);
2260 }
2261
2262 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2263}
2264
2265static const char *suspend_status2name(u8 status)
2266{
2267 switch (status) {
2268 case WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE:
2269 return "LINK_NOT_IDLE";
2270 default:
2271 return "Untracked status";
2272 }
2273}
2274
2275int wmi_suspend(struct wil6210_priv *wil)
2276{
2277 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2278 int rc;
2279 struct wmi_traffic_suspend_cmd cmd = {
2280 .wakeup_trigger = wil->wakeup_trigger,
2281 };
2282 struct {
2283 struct wmi_cmd_hdr wmi;
2284 struct wmi_traffic_suspend_event evt;
2285 } __packed reply;
2286 u32 suspend_to = WIL_WAIT_FOR_SUSPEND_RESUME_COMP;
2287
2288 wil->suspend_resp_rcvd = false;
2289 wil->suspend_resp_comp = false;
2290
2291 reply.evt.status = WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE;
2292
2293 rc = wmi_call(wil, WMI_TRAFFIC_SUSPEND_CMDID, vif->mid,
2294 &cmd, sizeof(cmd),
2295 WMI_TRAFFIC_SUSPEND_EVENTID, &reply, sizeof(reply),
2296 suspend_to);
2297 if (rc) {
2298 wil_err(wil, "wmi_call for suspend req failed, rc=%d\n", rc);
2299 if (rc == -ETIME)
2300 /* wmi_call TO */
2301 wil->suspend_stats.rejected_by_device++;
2302 else
2303 wil->suspend_stats.rejected_by_host++;
2304 goto out;
2305 }
2306
2307 wil_dbg_wmi(wil, "waiting for suspend_response_completed\n");
2308
2309 rc = wait_event_interruptible_timeout(wil->wq,
2310 wil->suspend_resp_comp,
2311 msecs_to_jiffies(suspend_to));
2312 if (rc == 0) {
2313 wil_err(wil, "TO waiting for suspend_response_completed\n");
2314 if (wil->suspend_resp_rcvd)
2315 /* Device responded but we TO due to another reason */
2316 wil->suspend_stats.rejected_by_host++;
2317 else
2318 wil->suspend_stats.rejected_by_device++;
2319 rc = -EBUSY;
2320 goto out;
2321 }
2322
2323 wil_dbg_wmi(wil, "suspend_response_completed rcvd\n");
2324 if (reply.evt.status != WMI_TRAFFIC_SUSPEND_APPROVED) {
2325 wil_dbg_pm(wil, "device rejected the suspend, %s\n",
2326 suspend_status2name(reply.evt.status));
2327 wil->suspend_stats.rejected_by_device++;
2328 }
2329 rc = reply.evt.status;
2330
2331out:
2332 wil->suspend_resp_rcvd = false;
2333 wil->suspend_resp_comp = false;
2334
2335 return rc;
2336}
2337
2338static void resume_triggers2string(u32 triggers, char *string, int str_size)
2339{
2340 string[0] = '\0';
2341
2342 if (!triggers) {
2343 strlcat(string, " UNKNOWN", str_size);
2344 return;
2345 }
2346
2347 if (triggers & WMI_RESUME_TRIGGER_HOST)
2348 strlcat(string, " HOST", str_size);
2349
2350 if (triggers & WMI_RESUME_TRIGGER_UCAST_RX)
2351 strlcat(string, " UCAST_RX", str_size);
2352
2353 if (triggers & WMI_RESUME_TRIGGER_BCAST_RX)
2354 strlcat(string, " BCAST_RX", str_size);
2355
2356 if (triggers & WMI_RESUME_TRIGGER_WMI_EVT)
2357 strlcat(string, " WMI_EVT", str_size);
2358}
2359
2360int wmi_resume(struct wil6210_priv *wil)
2361{
2362 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2363 int rc;
2364 char string[100];
2365 struct {
2366 struct wmi_cmd_hdr wmi;
2367 struct wmi_traffic_resume_event evt;
2368 } __packed reply;
2369
2370 reply.evt.status = WMI_TRAFFIC_RESUME_FAILED;
2371 reply.evt.resume_triggers = WMI_RESUME_TRIGGER_UNKNOWN;
2372
2373 rc = wmi_call(wil, WMI_TRAFFIC_RESUME_CMDID, vif->mid, NULL, 0,
2374 WMI_TRAFFIC_RESUME_EVENTID, &reply, sizeof(reply),
2375 WIL_WAIT_FOR_SUSPEND_RESUME_COMP);
2376 if (rc)
2377 return rc;
2378 resume_triggers2string(le32_to_cpu(reply.evt.resume_triggers), string,
2379 sizeof(string));
2380 wil_dbg_pm(wil, "device resume %s, resume triggers:%s (0x%x)\n",
2381 reply.evt.status ? "failed" : "passed", string,
2382 le32_to_cpu(reply.evt.resume_triggers));
2383
2384 return reply.evt.status;
2385}
2386
2387int wmi_port_allocate(struct wil6210_priv *wil, u8 mid,
2388 const u8 *mac, enum nl80211_iftype iftype)
2389{
2390 int rc;
2391 struct wmi_port_allocate_cmd cmd = {
2392 .mid = mid,
2393 };
2394 struct {
2395 struct wmi_cmd_hdr wmi;
2396 struct wmi_port_allocated_event evt;
2397 } __packed reply;
2398
2399 wil_dbg_misc(wil, "port allocate, mid %d iftype %d, mac %pM\n",
2400 mid, iftype, mac);
2401
2402 ether_addr_copy(cmd.mac, mac);
2403 switch (iftype) {
2404 case NL80211_IFTYPE_STATION:
2405 cmd.port_role = WMI_PORT_STA;
2406 break;
2407 case NL80211_IFTYPE_AP:
2408 cmd.port_role = WMI_PORT_AP;
2409 break;
2410 case NL80211_IFTYPE_P2P_CLIENT:
2411 cmd.port_role = WMI_PORT_P2P_CLIENT;
2412 break;
2413 case NL80211_IFTYPE_P2P_GO:
2414 cmd.port_role = WMI_PORT_P2P_GO;
2415 break;
2416 /* what about monitor??? */
2417 default:
2418 wil_err(wil, "unsupported iftype: %d\n", iftype);
2419 return -EINVAL;
2420 }
2421
2422 reply.evt.status = WMI_FW_STATUS_FAILURE;
2423
2424 rc = wmi_call(wil, WMI_PORT_ALLOCATE_CMDID, mid,
2425 &cmd, sizeof(cmd),
2426 WMI_PORT_ALLOCATED_EVENTID, &reply,
2427 sizeof(reply), 300);
2428 if (rc) {
2429 wil_err(wil, "failed to allocate port, status %d\n", rc);
2430 return rc;
2431 }
2432 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2433 wil_err(wil, "WMI_PORT_ALLOCATE returned status %d\n",
2434 reply.evt.status);
2435 return -EINVAL;
2436 }
2437
2438 return 0;
2439}
2440
2441int wmi_port_delete(struct wil6210_priv *wil, u8 mid)
2442{
2443 int rc;
2444 struct wmi_port_delete_cmd cmd = {
2445 .mid = mid,
2446 };
2447 struct {
2448 struct wmi_cmd_hdr wmi;
2449 struct wmi_port_deleted_event evt;
2450 } __packed reply;
2451
2452 wil_dbg_misc(wil, "port delete, mid %d\n", mid);
2453
2454 reply.evt.status = WMI_FW_STATUS_FAILURE;
2455
2456 rc = wmi_call(wil, WMI_PORT_DELETE_CMDID, mid,
2457 &cmd, sizeof(cmd),
2458 WMI_PORT_DELETED_EVENTID, &reply,
2459 sizeof(reply), 2000);
2460 if (rc) {
2461 wil_err(wil, "failed to delete port, status %d\n", rc);
2462 return rc;
2463 }
2464 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2465 wil_err(wil, "WMI_PORT_DELETE returned status %d\n",
2466 reply.evt.status);
2467 return -EINVAL;
2468 }
2469
2470 return 0;
2471}
2472
2473static bool wmi_evt_call_handler(struct wil6210_vif *vif, int id,
2474 void *d, int len)
2475{
2476 uint i;
2477
2478 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
2479 if (wmi_evt_handlers[i].eventid == id) {
2480 wmi_evt_handlers[i].handler(vif, id, d, len);
2481 return true;
2482 }
2483 }
2484
2485 return false;
2486}
2487
2488static void wmi_event_handle(struct wil6210_priv *wil,
2489 struct wil6210_mbox_hdr *hdr)
2490{
2491 u16 len = le16_to_cpu(hdr->len);
2492 struct wil6210_vif *vif;
2493
2494 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
2495 (len >= sizeof(struct wmi_cmd_hdr))) {
2496 struct wmi_cmd_hdr *wmi = (void *)(&hdr[1]);
2497 void *evt_data = (void *)(&wmi[1]);
2498 u16 id = le16_to_cpu(wmi->command_id);
2499 u8 mid = wmi->mid;
2500
2501 wil_dbg_wmi(wil, "Handle %s (0x%04x) (reply_id 0x%04x,%d)\n",
2502 eventid2name(id), id, wil->reply_id,
2503 wil->reply_mid);
2504
2505 if (mid == MID_BROADCAST)
2506 mid = 0;
2507 if (mid >= wil->max_vifs) {
2508 wil_dbg_wmi(wil, "invalid mid %d, event skipped\n",
2509 mid);
2510 return;
2511 }
2512 vif = wil->vifs[mid];
2513 if (!vif) {
2514 wil_dbg_wmi(wil, "event for empty VIF(%d), skipped\n",
2515 mid);
2516 return;
2517 }
2518
2519 /* check if someone waits for this event */
2520 if (wil->reply_id && wil->reply_id == id &&
2521 wil->reply_mid == mid) {
2522 WARN_ON(wil->reply_buf);
2523
2524 wmi_evt_call_handler(vif, id, evt_data,
2525 len - sizeof(*wmi));
2526 wil_dbg_wmi(wil, "event_handle: Complete WMI 0x%04x\n",
2527 id);
2528 complete(&wil->wmi_call);
2529 return;
2530 }
2531 /* unsolicited event */
2532 /* search for handler */
2533 if (!wmi_evt_call_handler(vif, id, evt_data,
2534 len - sizeof(*wmi))) {
2535 wil_info(wil, "Unhandled event 0x%04x\n", id);
2536 }
2537 } else {
2538 wil_err(wil, "Unknown event type\n");
2539 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
2540 hdr, sizeof(*hdr) + len, true);
2541 }
2542}
2543
2544/*
2545 * Retrieve next WMI event from the pending list
2546 */
2547static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
2548{
2549 ulong flags;
2550 struct list_head *ret = NULL;
2551
2552 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2553
2554 if (!list_empty(&wil->pending_wmi_ev)) {
2555 ret = wil->pending_wmi_ev.next;
2556 list_del(ret);
2557 }
2558
2559 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2560
2561 return ret;
2562}
2563
2564/*
2565 * Handler for the WMI events
2566 */
2567void wmi_event_worker(struct work_struct *work)
2568{
2569 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
2570 wmi_event_worker);
2571 struct pending_wmi_event *evt;
2572 struct list_head *lh;
2573
2574 wil_dbg_wmi(wil, "event_worker: Start\n");
2575 while ((lh = next_wmi_ev(wil)) != NULL) {
2576 evt = list_entry(lh, struct pending_wmi_event, list);
2577 wmi_event_handle(wil, &evt->event.hdr);
2578 kfree(evt);
2579 }
2580 wil_dbg_wmi(wil, "event_worker: Finished\n");
2581}
2582
2583bool wil_is_wmi_idle(struct wil6210_priv *wil)
2584{
2585 ulong flags;
2586 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
2587 bool rc = false;
2588
2589 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2590
2591 /* Check if there are pending WMI events in the events queue */
2592 if (!list_empty(&wil->pending_wmi_ev)) {
2593 wil_dbg_pm(wil, "Pending WMI events in queue\n");
2594 goto out;
2595 }
2596
2597 /* Check if there is a pending WMI call */
2598 if (wil->reply_id) {
2599 wil_dbg_pm(wil, "Pending WMI call\n");
2600 goto out;
2601 }
2602
2603 /* Check if there are pending RX events in mbox */
2604 r->head = wil_r(wil, RGF_MBOX +
2605 offsetof(struct wil6210_mbox_ctl, rx.head));
2606 if (r->tail != r->head)
2607 wil_dbg_pm(wil, "Pending WMI mbox events\n");
2608 else
2609 rc = true;
2610
2611out:
2612 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2613 return rc;
2614}
2615
2616static void
2617wmi_sched_scan_set_ssids(struct wil6210_priv *wil,
2618 struct wmi_start_sched_scan_cmd *cmd,
2619 struct cfg80211_ssid *ssids, int n_ssids,
2620 struct cfg80211_match_set *match_sets,
2621 int n_match_sets)
2622{
2623 int i;
2624
2625 if (n_match_sets > WMI_MAX_PNO_SSID_NUM) {
2626 wil_dbg_wmi(wil, "too many match sets (%d), use first %d\n",
2627 n_match_sets, WMI_MAX_PNO_SSID_NUM);
2628 n_match_sets = WMI_MAX_PNO_SSID_NUM;
2629 }
2630 cmd->num_of_ssids = n_match_sets;
2631
2632 for (i = 0; i < n_match_sets; i++) {
2633 struct wmi_sched_scan_ssid_match *wmi_match =
2634 &cmd->ssid_for_match[i];
2635 struct cfg80211_match_set *cfg_match = &match_sets[i];
2636 int j;
2637
2638 wmi_match->ssid_len = cfg_match->ssid.ssid_len;
2639 memcpy(wmi_match->ssid, cfg_match->ssid.ssid,
2640 min_t(u8, wmi_match->ssid_len, WMI_MAX_SSID_LEN));
2641 wmi_match->rssi_threshold = S8_MIN;
2642 if (cfg_match->rssi_thold >= S8_MIN &&
2643 cfg_match->rssi_thold <= S8_MAX)
2644 wmi_match->rssi_threshold = cfg_match->rssi_thold;
2645
2646 for (j = 0; j < n_ssids; j++)
2647 if (wmi_match->ssid_len == ssids[j].ssid_len &&
2648 memcmp(wmi_match->ssid, ssids[j].ssid,
2649 wmi_match->ssid_len) == 0)
2650 wmi_match->add_ssid_to_probe = true;
2651 }
2652}
2653
2654static void
2655wmi_sched_scan_set_channels(struct wil6210_priv *wil,
2656 struct wmi_start_sched_scan_cmd *cmd,
2657 u32 n_channels,
2658 struct ieee80211_channel **channels)
2659{
2660 int i;
2661
2662 if (n_channels > WMI_MAX_CHANNEL_NUM) {
2663 wil_dbg_wmi(wil, "too many channels (%d), use first %d\n",
2664 n_channels, WMI_MAX_CHANNEL_NUM);
2665 n_channels = WMI_MAX_CHANNEL_NUM;
2666 }
2667 cmd->num_of_channels = n_channels;
2668
2669 for (i = 0; i < n_channels; i++) {
2670 struct ieee80211_channel *cfg_chan = channels[i];
2671
2672 cmd->channel_list[i] = cfg_chan->hw_value - 1;
2673 }
2674}
2675
2676static void
2677wmi_sched_scan_set_plans(struct wil6210_priv *wil,
2678 struct wmi_start_sched_scan_cmd *cmd,
2679 struct cfg80211_sched_scan_plan *scan_plans,
2680 int n_scan_plans)
2681{
2682 int i;
2683
2684 if (n_scan_plans > WMI_MAX_PLANS_NUM) {
2685 wil_dbg_wmi(wil, "too many plans (%d), use first %d\n",
2686 n_scan_plans, WMI_MAX_PLANS_NUM);
2687 n_scan_plans = WMI_MAX_PLANS_NUM;
2688 }
2689
2690 for (i = 0; i < n_scan_plans; i++) {
2691 struct cfg80211_sched_scan_plan *cfg_plan = &scan_plans[i];
2692
2693 cmd->scan_plans[i].interval_sec =
2694 cpu_to_le16(cfg_plan->interval);
2695 cmd->scan_plans[i].num_of_iterations =
2696 cpu_to_le16(cfg_plan->iterations);
2697 }
2698}
2699
2700int wmi_start_sched_scan(struct wil6210_priv *wil,
2701 struct cfg80211_sched_scan_request *request)
2702{
2703 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2704 int rc;
2705 struct wmi_start_sched_scan_cmd cmd = {
2706 .min_rssi_threshold = S8_MIN,
2707 .initial_delay_sec = cpu_to_le16(request->delay),
2708 };
2709 struct {
2710 struct wmi_cmd_hdr wmi;
2711 struct wmi_start_sched_scan_event evt;
2712 } __packed reply;
2713
2714 if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
2715 return -ENOTSUPP;
2716
2717 if (request->min_rssi_thold >= S8_MIN &&
2718 request->min_rssi_thold <= S8_MAX)
2719 cmd.min_rssi_threshold = request->min_rssi_thold;
2720
2721 wmi_sched_scan_set_ssids(wil, &cmd, request->ssids, request->n_ssids,
2722 request->match_sets, request->n_match_sets);
2723 wmi_sched_scan_set_channels(wil, &cmd,
2724 request->n_channels, request->channels);
2725 wmi_sched_scan_set_plans(wil, &cmd,
2726 request->scan_plans, request->n_scan_plans);
2727
2728 reply.evt.result = WMI_PNO_REJECT;
2729
2730 rc = wmi_call(wil, WMI_START_SCHED_SCAN_CMDID, vif->mid,
2731 &cmd, sizeof(cmd),
2732 WMI_START_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
2733 WIL_WMI_CALL_GENERAL_TO_MS);
2734 if (rc)
2735 return rc;
2736
2737 if (reply.evt.result != WMI_PNO_SUCCESS) {
2738 wil_err(wil, "start sched scan failed, result %d\n",
2739 reply.evt.result);
2740 return -EINVAL;
2741 }
2742
2743 return 0;
2744}
2745
2746int wmi_stop_sched_scan(struct wil6210_priv *wil)
2747{
2748 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2749 int rc;
2750 struct {
2751 struct wmi_cmd_hdr wmi;
2752 struct wmi_stop_sched_scan_event evt;
2753 } __packed reply;
2754
2755 if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
2756 return -ENOTSUPP;
2757
2758 reply.evt.result = WMI_PNO_REJECT;
2759
2760 rc = wmi_call(wil, WMI_STOP_SCHED_SCAN_CMDID, vif->mid, NULL, 0,
2761 WMI_STOP_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
2762 WIL_WMI_CALL_GENERAL_TO_MS);
2763 if (rc)
2764 return rc;
2765
2766 if (reply.evt.result != WMI_PNO_SUCCESS) {
2767 wil_err(wil, "stop sched scan failed, result %d\n",
2768 reply.evt.result);
2769 return -EINVAL;
2770 }
2771
2772 return 0;
2773}
1/*
2 * Copyright (c) 2012 Qualcomm Atheros, Inc.
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
17#include <linux/etherdevice.h>
18#include <linux/if_arp.h>
19
20#include "wil6210.h"
21#include "txrx.h"
22#include "wmi.h"
23#include "trace.h"
24
25/**
26 * WMI event receiving - theory of operations
27 *
28 * When firmware about to report WMI event, it fills memory area
29 * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
30 * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
31 *
32 * @wmi_recv_cmd reads event, allocates memory chunk and attaches it to the
33 * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
34 * and handles events within the @wmi_event_worker. Every event get detached
35 * from list, processed and deleted.
36 *
37 * Purpose for this mechanism is to release IRQ thread; otherwise,
38 * if WMI event handling involves another WMI command flow, this 2-nd flow
39 * won't be completed because of blocked IRQ thread.
40 */
41
42/**
43 * Addressing - theory of operations
44 *
45 * There are several buses present on the WIL6210 card.
46 * Same memory areas are visible at different address on
47 * the different busses. There are 3 main bus masters:
48 * - MAC CPU (ucode)
49 * - User CPU (firmware)
50 * - AHB (host)
51 *
52 * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
53 * AHB addresses starting from 0x880000
54 *
55 * Internally, firmware uses addresses that allows faster access but
56 * are invisible from the host. To read from these addresses, alternative
57 * AHB address must be used.
58 *
59 * Memory mapping
60 * Linker address PCI/Host address
61 * 0x880000 .. 0xa80000 2Mb BAR0
62 * 0x800000 .. 0x807000 0x900000 .. 0x907000 28k DCCM
63 * 0x840000 .. 0x857000 0x908000 .. 0x91f000 92k PERIPH
64 */
65
66/**
67 * @fw_mapping provides memory remapping table
68 */
69static const struct {
70 u32 from; /* linker address - from, inclusive */
71 u32 to; /* linker address - to, exclusive */
72 u32 host; /* PCI/Host address - BAR0 + 0x880000 */
73} fw_mapping[] = {
74 {0x000000, 0x040000, 0x8c0000}, /* FW code RAM 256k */
75 {0x800000, 0x808000, 0x900000}, /* FW data RAM 32k */
76 {0x840000, 0x860000, 0x908000}, /* peripheral data RAM 128k/96k used */
77 {0x880000, 0x88a000, 0x880000}, /* various RGF */
78 {0x8c0000, 0x949000, 0x8c0000}, /* trivial mapping for upper area */
79 /*
80 * 920000..930000 ucode code RAM
81 * 930000..932000 ucode data RAM
82 * 932000..949000 back-door debug data
83 */
84};
85
86/**
87 * return AHB address for given firmware/ucode internal (linker) address
88 * @x - internal address
89 * If address have no valid AHB mapping, return 0
90 */
91static u32 wmi_addr_remap(u32 x)
92{
93 uint i;
94
95 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
96 if ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to))
97 return x + fw_mapping[i].host - fw_mapping[i].from;
98 }
99
100 return 0;
101}
102
103/**
104 * Check address validity for WMI buffer; remap if needed
105 * @ptr - internal (linker) fw/ucode address
106 *
107 * Valid buffer should be DWORD aligned
108 *
109 * return address for accessing buffer from the host;
110 * if buffer is not valid, return NULL.
111 */
112void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
113{
114 u32 off;
115 u32 ptr = le32_to_cpu(ptr_);
116
117 if (ptr % 4)
118 return NULL;
119
120 ptr = wmi_addr_remap(ptr);
121 if (ptr < WIL6210_FW_HOST_OFF)
122 return NULL;
123
124 off = HOSTADDR(ptr);
125 if (off > WIL6210_MEM_SIZE - 4)
126 return NULL;
127
128 return wil->csr + off;
129}
130
131/**
132 * Check address validity
133 */
134void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
135{
136 u32 off;
137
138 if (ptr % 4)
139 return NULL;
140
141 if (ptr < WIL6210_FW_HOST_OFF)
142 return NULL;
143
144 off = HOSTADDR(ptr);
145 if (off > WIL6210_MEM_SIZE - 4)
146 return NULL;
147
148 return wil->csr + off;
149}
150
151int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
152 struct wil6210_mbox_hdr *hdr)
153{
154 void __iomem *src = wmi_buffer(wil, ptr);
155 if (!src)
156 return -EINVAL;
157
158 wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
159
160 return 0;
161}
162
163static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
164{
165 struct {
166 struct wil6210_mbox_hdr hdr;
167 struct wil6210_mbox_hdr_wmi wmi;
168 } __packed cmd = {
169 .hdr = {
170 .type = WIL_MBOX_HDR_TYPE_WMI,
171 .flags = 0,
172 .len = cpu_to_le16(sizeof(cmd.wmi) + len),
173 },
174 .wmi = {
175 .mid = 0,
176 .id = cpu_to_le16(cmdid),
177 },
178 };
179 struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
180 struct wil6210_mbox_ring_desc d_head;
181 u32 next_head;
182 void __iomem *dst;
183 void __iomem *head = wmi_addr(wil, r->head);
184 uint retry;
185
186 if (sizeof(cmd) + len > r->entry_size) {
187 wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
188 (int)(sizeof(cmd) + len), r->entry_size);
189 return -ERANGE;
190 }
191
192 might_sleep();
193
194 if (!test_bit(wil_status_fwready, &wil->status)) {
195 wil_err(wil, "FW not ready\n");
196 return -EAGAIN;
197 }
198
199 if (!head) {
200 wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
201 return -EINVAL;
202 }
203 /* read Tx head till it is not busy */
204 for (retry = 5; retry > 0; retry--) {
205 wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
206 if (d_head.sync == 0)
207 break;
208 msleep(20);
209 }
210 if (d_head.sync != 0) {
211 wil_err(wil, "WMI head busy\n");
212 return -EBUSY;
213 }
214 /* next head */
215 next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
216 wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
217 /* wait till FW finish with previous command */
218 for (retry = 5; retry > 0; retry--) {
219 r->tail = ioread32(wil->csr + HOST_MBOX +
220 offsetof(struct wil6210_mbox_ctl, tx.tail));
221 if (next_head != r->tail)
222 break;
223 msleep(20);
224 }
225 if (next_head == r->tail) {
226 wil_err(wil, "WMI ring full\n");
227 return -EBUSY;
228 }
229 dst = wmi_buffer(wil, d_head.addr);
230 if (!dst) {
231 wil_err(wil, "invalid WMI buffer: 0x%08x\n",
232 le32_to_cpu(d_head.addr));
233 return -EINVAL;
234 }
235 cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
236 /* set command */
237 wil_dbg_wmi(wil, "WMI command 0x%04x [%d]\n", cmdid, len);
238 wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
239 sizeof(cmd), true);
240 wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
241 len, true);
242 wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
243 wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
244 /* mark entry as full */
245 iowrite32(1, wil->csr + HOSTADDR(r->head) +
246 offsetof(struct wil6210_mbox_ring_desc, sync));
247 /* advance next ptr */
248 iowrite32(r->head = next_head, wil->csr + HOST_MBOX +
249 offsetof(struct wil6210_mbox_ctl, tx.head));
250
251 trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
252
253 /* interrupt to FW */
254 iowrite32(SW_INT_MBOX, wil->csr + HOST_SW_INT);
255
256 return 0;
257}
258
259int wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
260{
261 int rc;
262
263 mutex_lock(&wil->wmi_mutex);
264 rc = __wmi_send(wil, cmdid, buf, len);
265 mutex_unlock(&wil->wmi_mutex);
266
267 return rc;
268}
269
270/*=== Event handlers ===*/
271static void wmi_evt_ready(struct wil6210_priv *wil, int id, void *d, int len)
272{
273 struct net_device *ndev = wil_to_ndev(wil);
274 struct wireless_dev *wdev = wil->wdev;
275 struct wmi_ready_event *evt = d;
276 wil->fw_version = le32_to_cpu(evt->sw_version);
277 wil->n_mids = evt->numof_additional_mids;
278
279 wil_dbg_wmi(wil, "FW ver. %d; MAC %pM; %d MID's\n", wil->fw_version,
280 evt->mac, wil->n_mids);
281
282 if (!is_valid_ether_addr(ndev->dev_addr)) {
283 memcpy(ndev->dev_addr, evt->mac, ETH_ALEN);
284 memcpy(ndev->perm_addr, evt->mac, ETH_ALEN);
285 }
286 snprintf(wdev->wiphy->fw_version, sizeof(wdev->wiphy->fw_version),
287 "%d", wil->fw_version);
288}
289
290static void wmi_evt_fw_ready(struct wil6210_priv *wil, int id, void *d,
291 int len)
292{
293 wil_dbg_wmi(wil, "WMI: FW ready\n");
294
295 set_bit(wil_status_fwready, &wil->status);
296 /* reuse wmi_ready for the firmware ready indication */
297 complete(&wil->wmi_ready);
298}
299
300static void wmi_evt_rx_mgmt(struct wil6210_priv *wil, int id, void *d, int len)
301{
302 struct wmi_rx_mgmt_packet_event *data = d;
303 struct wiphy *wiphy = wil_to_wiphy(wil);
304 struct ieee80211_mgmt *rx_mgmt_frame =
305 (struct ieee80211_mgmt *)data->payload;
306 int ch_no = data->info.channel+1;
307 u32 freq = ieee80211_channel_to_frequency(ch_no,
308 IEEE80211_BAND_60GHZ);
309 struct ieee80211_channel *channel = ieee80211_get_channel(wiphy, freq);
310 s32 signal = data->info.sqi;
311 __le16 fc = rx_mgmt_frame->frame_control;
312 u32 d_len = le32_to_cpu(data->info.len);
313 u16 d_status = le16_to_cpu(data->info.status);
314
315 wil_dbg_wmi(wil, "MGMT: channel %d MCS %d SNR %d SQI %d%%\n",
316 data->info.channel, data->info.mcs, data->info.snr,
317 data->info.sqi);
318 wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
319 le16_to_cpu(fc));
320 wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
321 data->info.qid, data->info.mid, data->info.cid);
322
323 if (!channel) {
324 wil_err(wil, "Frame on unsupported channel\n");
325 return;
326 }
327
328 if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
329 struct cfg80211_bss *bss;
330
331 bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,
332 d_len, signal, GFP_KERNEL);
333 if (bss) {
334 wil_dbg_wmi(wil, "Added BSS %pM\n",
335 rx_mgmt_frame->bssid);
336 cfg80211_put_bss(wiphy, bss);
337 } else {
338 wil_err(wil, "cfg80211_inform_bss() failed\n");
339 }
340 } else {
341 cfg80211_rx_mgmt(wil->wdev, freq, signal,
342 (void *)rx_mgmt_frame, d_len, 0, GFP_KERNEL);
343 }
344}
345
346static void wmi_evt_scan_complete(struct wil6210_priv *wil, int id,
347 void *d, int len)
348{
349 if (wil->scan_request) {
350 struct wmi_scan_complete_event *data = d;
351 bool aborted = (data->status != 0);
352
353 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", data->status);
354 cfg80211_scan_done(wil->scan_request, aborted);
355 wil->scan_request = NULL;
356 } else {
357 wil_err(wil, "SCAN_COMPLETE while not scanning\n");
358 }
359}
360
361static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
362{
363 struct net_device *ndev = wil_to_ndev(wil);
364 struct wireless_dev *wdev = wil->wdev;
365 struct wmi_connect_event *evt = d;
366 int ch; /* channel number */
367 struct station_info sinfo;
368 u8 *assoc_req_ie, *assoc_resp_ie;
369 size_t assoc_req_ielen, assoc_resp_ielen;
370 /* capinfo(u16) + listen_interval(u16) + IEs */
371 const size_t assoc_req_ie_offset = sizeof(u16) * 2;
372 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
373 const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
374
375 if (len < sizeof(*evt)) {
376 wil_err(wil, "Connect event too short : %d bytes\n", len);
377 return;
378 }
379 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
380 evt->assoc_resp_len) {
381 wil_err(wil,
382 "Connect event corrupted : %d != %d + %d + %d + %d\n",
383 len, (int)sizeof(*evt), evt->beacon_ie_len,
384 evt->assoc_req_len, evt->assoc_resp_len);
385 return;
386 }
387 if (evt->cid >= WIL6210_MAX_CID) {
388 wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
389 return;
390 }
391
392 ch = evt->channel + 1;
393 wil_dbg_wmi(wil, "Connect %pM channel [%d] cid %d\n",
394 evt->bssid, ch, evt->cid);
395 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
396 evt->assoc_info, len - sizeof(*evt), true);
397
398 /* figure out IE's */
399 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
400 assoc_req_ie_offset];
401 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
402 if (evt->assoc_req_len <= assoc_req_ie_offset) {
403 assoc_req_ie = NULL;
404 assoc_req_ielen = 0;
405 }
406
407 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
408 evt->assoc_req_len +
409 assoc_resp_ie_offset];
410 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
411 if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
412 assoc_resp_ie = NULL;
413 assoc_resp_ielen = 0;
414 }
415
416 if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
417 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
418 if (!test_bit(wil_status_fwconnecting, &wil->status)) {
419 wil_err(wil, "Not in connecting state\n");
420 return;
421 }
422 del_timer_sync(&wil->connect_timer);
423 cfg80211_connect_result(ndev, evt->bssid,
424 assoc_req_ie, assoc_req_ielen,
425 assoc_resp_ie, assoc_resp_ielen,
426 WLAN_STATUS_SUCCESS, GFP_KERNEL);
427
428 } else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
429 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
430 memset(&sinfo, 0, sizeof(sinfo));
431
432 sinfo.generation = wil->sinfo_gen++;
433
434 if (assoc_req_ie) {
435 sinfo.assoc_req_ies = assoc_req_ie;
436 sinfo.assoc_req_ies_len = assoc_req_ielen;
437 sinfo.filled |= STATION_INFO_ASSOC_REQ_IES;
438 }
439
440 cfg80211_new_sta(ndev, evt->bssid, &sinfo, GFP_KERNEL);
441 }
442 clear_bit(wil_status_fwconnecting, &wil->status);
443 set_bit(wil_status_fwconnected, &wil->status);
444
445 /* FIXME FW can transmit only ucast frames to peer */
446 /* FIXME real ring_id instead of hard coded 0 */
447 memcpy(wil->sta[evt->cid].addr, evt->bssid, ETH_ALEN);
448 wil->sta[evt->cid].status = wil_sta_conn_pending;
449
450 wil->pending_connect_cid = evt->cid;
451 queue_work(wil->wmi_wq_conn, &wil->connect_worker);
452}
453
454static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
455 void *d, int len)
456{
457 struct wmi_disconnect_event *evt = d;
458
459 wil_dbg_wmi(wil, "Disconnect %pM reason %d proto %d wmi\n",
460 evt->bssid,
461 evt->protocol_reason_status, evt->disconnect_reason);
462
463 wil->sinfo_gen++;
464
465 mutex_lock(&wil->mutex);
466 wil6210_disconnect(wil, evt->bssid);
467 mutex_unlock(&wil->mutex);
468}
469
470static void wmi_evt_notify(struct wil6210_priv *wil, int id, void *d, int len)
471{
472 struct wmi_notify_req_done_event *evt = d;
473
474 if (len < sizeof(*evt)) {
475 wil_err(wil, "Short NOTIFY event\n");
476 return;
477 }
478
479 wil->stats.tsf = le64_to_cpu(evt->tsf);
480 wil->stats.snr = le32_to_cpu(evt->snr_val);
481 wil->stats.bf_mcs = le16_to_cpu(evt->bf_mcs);
482 wil->stats.my_rx_sector = le16_to_cpu(evt->my_rx_sector);
483 wil->stats.my_tx_sector = le16_to_cpu(evt->my_tx_sector);
484 wil->stats.peer_rx_sector = le16_to_cpu(evt->other_rx_sector);
485 wil->stats.peer_tx_sector = le16_to_cpu(evt->other_tx_sector);
486 wil_dbg_wmi(wil, "Link status, MCS %d TSF 0x%016llx\n"
487 "BF status 0x%08x SNR 0x%08x SQI %d%%\n"
488 "Tx Tpt %d goodput %d Rx goodput %d\n"
489 "Sectors(rx:tx) my %d:%d peer %d:%d\n",
490 wil->stats.bf_mcs, wil->stats.tsf, evt->status,
491 wil->stats.snr, evt->sqi, le32_to_cpu(evt->tx_tpt),
492 le32_to_cpu(evt->tx_goodput), le32_to_cpu(evt->rx_goodput),
493 wil->stats.my_rx_sector, wil->stats.my_tx_sector,
494 wil->stats.peer_rx_sector, wil->stats.peer_tx_sector);
495}
496
497/*
498 * Firmware reports EAPOL frame using WME event.
499 * Reconstruct Ethernet frame and deliver it via normal Rx
500 */
501static void wmi_evt_eapol_rx(struct wil6210_priv *wil, int id,
502 void *d, int len)
503{
504 struct net_device *ndev = wil_to_ndev(wil);
505 struct wmi_eapol_rx_event *evt = d;
506 u16 eapol_len = le16_to_cpu(evt->eapol_len);
507 int sz = eapol_len + ETH_HLEN;
508 struct sk_buff *skb;
509 struct ethhdr *eth;
510 int cid;
511 struct wil_net_stats *stats = NULL;
512
513 wil_dbg_wmi(wil, "EAPOL len %d from %pM\n", eapol_len,
514 evt->src_mac);
515
516 cid = wil_find_cid(wil, evt->src_mac);
517 if (cid >= 0)
518 stats = &wil->sta[cid].stats;
519
520 if (eapol_len > 196) { /* TODO: revisit size limit */
521 wil_err(wil, "EAPOL too large\n");
522 return;
523 }
524
525 skb = alloc_skb(sz, GFP_KERNEL);
526 if (!skb) {
527 wil_err(wil, "Failed to allocate skb\n");
528 return;
529 }
530
531 eth = (struct ethhdr *)skb_put(skb, ETH_HLEN);
532 memcpy(eth->h_dest, ndev->dev_addr, ETH_ALEN);
533 memcpy(eth->h_source, evt->src_mac, ETH_ALEN);
534 eth->h_proto = cpu_to_be16(ETH_P_PAE);
535 memcpy(skb_put(skb, eapol_len), evt->eapol, eapol_len);
536 skb->protocol = eth_type_trans(skb, ndev);
537 if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
538 ndev->stats.rx_packets++;
539 ndev->stats.rx_bytes += sz;
540 if (stats) {
541 stats->rx_packets++;
542 stats->rx_bytes += sz;
543 }
544 } else {
545 ndev->stats.rx_dropped++;
546 if (stats)
547 stats->rx_dropped++;
548 }
549}
550
551static void wmi_evt_linkup(struct wil6210_priv *wil, int id, void *d, int len)
552{
553 struct net_device *ndev = wil_to_ndev(wil);
554 struct wmi_data_port_open_event *evt = d;
555 u8 cid = evt->cid;
556
557 wil_dbg_wmi(wil, "Link UP for CID %d\n", cid);
558
559 if (cid >= ARRAY_SIZE(wil->sta)) {
560 wil_err(wil, "Link UP for invalid CID %d\n", cid);
561 return;
562 }
563
564 wil->sta[cid].data_port_open = true;
565 netif_carrier_on(ndev);
566}
567
568static void wmi_evt_linkdown(struct wil6210_priv *wil, int id, void *d, int len)
569{
570 struct net_device *ndev = wil_to_ndev(wil);
571 struct wmi_wbe_link_down_event *evt = d;
572 u8 cid = evt->cid;
573
574 wil_dbg_wmi(wil, "Link DOWN for CID %d, reason %d\n",
575 cid, le32_to_cpu(evt->reason));
576
577 if (cid >= ARRAY_SIZE(wil->sta)) {
578 wil_err(wil, "Link DOWN for invalid CID %d\n", cid);
579 return;
580 }
581
582 wil->sta[cid].data_port_open = false;
583 netif_carrier_off(ndev);
584}
585
586static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d,
587 int len)
588{
589 struct wmi_vring_ba_status_event *evt = d;
590 struct wil_sta_info *sta;
591 uint i, cid;
592
593 /* TODO: use Rx BA status, not Tx one */
594
595 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d\n",
596 evt->ringid,
597 evt->status == WMI_BA_AGREED ? "OK" : "N/A",
598 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout));
599
600 if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
601 wil_err(wil, "invalid ring id %d\n", evt->ringid);
602 return;
603 }
604
605 cid = wil->vring2cid_tid[evt->ringid][0];
606 if (cid >= WIL6210_MAX_CID) {
607 wil_err(wil, "invalid CID %d for vring %d\n", cid, evt->ringid);
608 return;
609 }
610
611 sta = &wil->sta[cid];
612 if (sta->status == wil_sta_unused) {
613 wil_err(wil, "CID %d unused\n", cid);
614 return;
615 }
616
617 wil_dbg_wmi(wil, "BACK for CID %d %pM\n", cid, sta->addr);
618 for (i = 0; i < WIL_STA_TID_NUM; i++) {
619 struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
620 sta->tid_rx[i] = NULL;
621 wil_tid_ampdu_rx_free(wil, r);
622 if ((evt->status == WMI_BA_AGREED) && evt->agg_wsize)
623 sta->tid_rx[i] = wil_tid_ampdu_rx_alloc(wil,
624 evt->agg_wsize, 0);
625 }
626}
627
628static const struct {
629 int eventid;
630 void (*handler)(struct wil6210_priv *wil, int eventid,
631 void *data, int data_len);
632} wmi_evt_handlers[] = {
633 {WMI_READY_EVENTID, wmi_evt_ready},
634 {WMI_FW_READY_EVENTID, wmi_evt_fw_ready},
635 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt},
636 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete},
637 {WMI_CONNECT_EVENTID, wmi_evt_connect},
638 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect},
639 {WMI_NOTIFY_REQ_DONE_EVENTID, wmi_evt_notify},
640 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx},
641 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_linkup},
642 {WMI_WBE_LINKDOWN_EVENTID, wmi_evt_linkdown},
643 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status},
644};
645
646/*
647 * Run in IRQ context
648 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
649 * that will be eventually handled by the @wmi_event_worker in the thread
650 * context of thread "wil6210_wmi"
651 */
652void wmi_recv_cmd(struct wil6210_priv *wil)
653{
654 struct wil6210_mbox_ring_desc d_tail;
655 struct wil6210_mbox_hdr hdr;
656 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
657 struct pending_wmi_event *evt;
658 u8 *cmd;
659 void __iomem *src;
660 ulong flags;
661
662 if (!test_bit(wil_status_reset_done, &wil->status)) {
663 wil_err(wil, "Reset not completed\n");
664 return;
665 }
666
667 for (;;) {
668 u16 len;
669
670 r->head = ioread32(wil->csr + HOST_MBOX +
671 offsetof(struct wil6210_mbox_ctl, rx.head));
672 if (r->tail == r->head)
673 return;
674
675 /* read cmd from tail */
676 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
677 sizeof(struct wil6210_mbox_ring_desc));
678 if (d_tail.sync == 0) {
679 wil_err(wil, "Mbox evt not owned by FW?\n");
680 return;
681 }
682
683 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
684 wil_err(wil, "Mbox evt at 0x%08x?\n",
685 le32_to_cpu(d_tail.addr));
686 return;
687 }
688
689 len = le16_to_cpu(hdr.len);
690 src = wmi_buffer(wil, d_tail.addr) +
691 sizeof(struct wil6210_mbox_hdr);
692 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
693 event.wmi) + len, 4),
694 GFP_KERNEL);
695 if (!evt)
696 return;
697
698 evt->event.hdr = hdr;
699 cmd = (void *)&evt->event.wmi;
700 wil_memcpy_fromio_32(cmd, src, len);
701 /* mark entry as empty */
702 iowrite32(0, wil->csr + HOSTADDR(r->tail) +
703 offsetof(struct wil6210_mbox_ring_desc, sync));
704 /* indicate */
705 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
706 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
707 hdr.flags);
708 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
709 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
710 struct wil6210_mbox_hdr_wmi *wmi = &evt->event.wmi;
711 u16 id = le16_to_cpu(wmi->id);
712 u32 tstamp = le32_to_cpu(wmi->timestamp);
713 wil_dbg_wmi(wil, "WMI event 0x%04x MID %d @%d msec\n",
714 id, wmi->mid, tstamp);
715 trace_wil6210_wmi_event(wmi, &wmi[1],
716 len - sizeof(*wmi));
717 }
718 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
719 &evt->event.hdr, sizeof(hdr) + len, true);
720
721 /* advance tail */
722 r->tail = r->base + ((r->tail - r->base +
723 sizeof(struct wil6210_mbox_ring_desc)) % r->size);
724 iowrite32(r->tail, wil->csr + HOST_MBOX +
725 offsetof(struct wil6210_mbox_ctl, rx.tail));
726
727 /* add to the pending list */
728 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
729 list_add_tail(&evt->list, &wil->pending_wmi_ev);
730 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
731 {
732 int q = queue_work(wil->wmi_wq,
733 &wil->wmi_event_worker);
734 wil_dbg_wmi(wil, "queue_work -> %d\n", q);
735 }
736 }
737}
738
739int wmi_call(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len,
740 u16 reply_id, void *reply, u8 reply_size, int to_msec)
741{
742 int rc;
743 int remain;
744
745 mutex_lock(&wil->wmi_mutex);
746
747 rc = __wmi_send(wil, cmdid, buf, len);
748 if (rc)
749 goto out;
750
751 wil->reply_id = reply_id;
752 wil->reply_buf = reply;
753 wil->reply_size = reply_size;
754 remain = wait_for_completion_timeout(&wil->wmi_ready,
755 msecs_to_jiffies(to_msec));
756 if (0 == remain) {
757 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
758 cmdid, reply_id, to_msec);
759 rc = -ETIME;
760 } else {
761 wil_dbg_wmi(wil,
762 "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
763 cmdid, reply_id,
764 to_msec - jiffies_to_msecs(remain));
765 }
766 wil->reply_id = 0;
767 wil->reply_buf = NULL;
768 wil->reply_size = 0;
769 out:
770 mutex_unlock(&wil->wmi_mutex);
771
772 return rc;
773}
774
775int wmi_echo(struct wil6210_priv *wil)
776{
777 struct wmi_echo_cmd cmd = {
778 .value = cpu_to_le32(0x12345678),
779 };
780
781 return wmi_call(wil, WMI_ECHO_CMDID, &cmd, sizeof(cmd),
782 WMI_ECHO_RSP_EVENTID, NULL, 0, 20);
783}
784
785int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
786{
787 struct wmi_set_mac_address_cmd cmd;
788
789 memcpy(cmd.mac, addr, ETH_ALEN);
790
791 wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
792
793 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, &cmd, sizeof(cmd));
794}
795
796int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan)
797{
798 int rc;
799
800 struct wmi_pcp_start_cmd cmd = {
801 .bcon_interval = cpu_to_le16(bi),
802 .network_type = wmi_nettype,
803 .disable_sec_offload = 1,
804 .channel = chan - 1,
805 };
806 struct {
807 struct wil6210_mbox_hdr_wmi wmi;
808 struct wmi_pcp_started_event evt;
809 } __packed reply;
810
811 if (!wil->secure_pcp)
812 cmd.disable_sec = 1;
813
814 /*
815 * Processing time may be huge, in case of secure AP it takes about
816 * 3500ms for FW to start AP
817 */
818 rc = wmi_call(wil, WMI_PCP_START_CMDID, &cmd, sizeof(cmd),
819 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
820 if (rc)
821 return rc;
822
823 if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
824 rc = -EINVAL;
825
826 return rc;
827}
828
829int wmi_pcp_stop(struct wil6210_priv *wil)
830{
831 return wmi_call(wil, WMI_PCP_STOP_CMDID, NULL, 0,
832 WMI_PCP_STOPPED_EVENTID, NULL, 0, 20);
833}
834
835int wmi_set_ssid(struct wil6210_priv *wil, u8 ssid_len, const void *ssid)
836{
837 struct wmi_set_ssid_cmd cmd = {
838 .ssid_len = cpu_to_le32(ssid_len),
839 };
840
841 if (ssid_len > sizeof(cmd.ssid))
842 return -EINVAL;
843
844 memcpy(cmd.ssid, ssid, ssid_len);
845
846 return wmi_send(wil, WMI_SET_SSID_CMDID, &cmd, sizeof(cmd));
847}
848
849int wmi_get_ssid(struct wil6210_priv *wil, u8 *ssid_len, void *ssid)
850{
851 int rc;
852 struct {
853 struct wil6210_mbox_hdr_wmi wmi;
854 struct wmi_set_ssid_cmd cmd;
855 } __packed reply;
856 int len; /* reply.cmd.ssid_len in CPU order */
857
858 rc = wmi_call(wil, WMI_GET_SSID_CMDID, NULL, 0, WMI_GET_SSID_EVENTID,
859 &reply, sizeof(reply), 20);
860 if (rc)
861 return rc;
862
863 len = le32_to_cpu(reply.cmd.ssid_len);
864 if (len > sizeof(reply.cmd.ssid))
865 return -EINVAL;
866
867 *ssid_len = len;
868 memcpy(ssid, reply.cmd.ssid, len);
869
870 return 0;
871}
872
873int wmi_set_channel(struct wil6210_priv *wil, int channel)
874{
875 struct wmi_set_pcp_channel_cmd cmd = {
876 .channel = channel - 1,
877 };
878
879 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, &cmd, sizeof(cmd));
880}
881
882int wmi_get_channel(struct wil6210_priv *wil, int *channel)
883{
884 int rc;
885 struct {
886 struct wil6210_mbox_hdr_wmi wmi;
887 struct wmi_set_pcp_channel_cmd cmd;
888 } __packed reply;
889
890 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, NULL, 0,
891 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 20);
892 if (rc)
893 return rc;
894
895 if (reply.cmd.channel > 3)
896 return -EINVAL;
897
898 *channel = reply.cmd.channel + 1;
899
900 return 0;
901}
902
903int wmi_p2p_cfg(struct wil6210_priv *wil, int channel)
904{
905 struct wmi_p2p_cfg_cmd cmd = {
906 .discovery_mode = WMI_DISCOVERY_MODE_NON_OFFLOAD,
907 .channel = channel - 1,
908 };
909
910 return wmi_send(wil, WMI_P2P_CFG_CMDID, &cmd, sizeof(cmd));
911}
912
913int wmi_del_cipher_key(struct wil6210_priv *wil, u8 key_index,
914 const void *mac_addr)
915{
916 struct wmi_delete_cipher_key_cmd cmd = {
917 .key_index = key_index,
918 };
919
920 if (mac_addr)
921 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
922
923 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
924}
925
926int wmi_add_cipher_key(struct wil6210_priv *wil, u8 key_index,
927 const void *mac_addr, int key_len, const void *key)
928{
929 struct wmi_add_cipher_key_cmd cmd = {
930 .key_index = key_index,
931 .key_usage = WMI_KEY_USE_PAIRWISE,
932 .key_len = key_len,
933 };
934
935 if (!key || (key_len > sizeof(cmd.key)))
936 return -EINVAL;
937
938 memcpy(cmd.key, key, key_len);
939 if (mac_addr)
940 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
941
942 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, &cmd, sizeof(cmd));
943}
944
945int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie)
946{
947 int rc;
948 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
949 struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL);
950 if (!cmd)
951 return -ENOMEM;
952
953 cmd->mgmt_frm_type = type;
954 /* BUG: FW API define ieLen as u8. Will fix FW */
955 cmd->ie_len = cpu_to_le16(ie_len);
956 memcpy(cmd->ie_info, ie, ie_len);
957 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, cmd, len);
958 kfree(cmd);
959
960 return rc;
961}
962
963/**
964 * wmi_rxon - turn radio on/off
965 * @on: turn on if true, off otherwise
966 *
967 * Only switch radio. Channel should be set separately.
968 * No timeout for rxon - radio turned on forever unless some other call
969 * turns it off
970 */
971int wmi_rxon(struct wil6210_priv *wil, bool on)
972{
973 int rc;
974 struct {
975 struct wil6210_mbox_hdr_wmi wmi;
976 struct wmi_listen_started_event evt;
977 } __packed reply;
978
979 wil_info(wil, "%s(%s)\n", __func__, on ? "on" : "off");
980
981 if (on) {
982 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, NULL, 0,
983 WMI_LISTEN_STARTED_EVENTID,
984 &reply, sizeof(reply), 100);
985 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
986 rc = -EINVAL;
987 } else {
988 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, NULL, 0,
989 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 20);
990 }
991
992 return rc;
993}
994
995int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
996{
997 struct wireless_dev *wdev = wil->wdev;
998 struct net_device *ndev = wil_to_ndev(wil);
999 struct wmi_cfg_rx_chain_cmd cmd = {
1000 .action = WMI_RX_CHAIN_ADD,
1001 .rx_sw_ring = {
1002 .max_mpdu_size = cpu_to_le16(RX_BUF_LEN),
1003 .ring_mem_base = cpu_to_le64(vring->pa),
1004 .ring_size = cpu_to_le16(vring->size),
1005 },
1006 .mid = 0, /* TODO - what is it? */
1007 .decap_trans_type = WMI_DECAP_TYPE_802_3,
1008 .reorder_type = WMI_RX_SW_REORDER,
1009 };
1010 struct {
1011 struct wil6210_mbox_hdr_wmi wmi;
1012 struct wmi_cfg_rx_chain_done_event evt;
1013 } __packed evt;
1014 int rc;
1015
1016 if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
1017 struct ieee80211_channel *ch = wdev->preset_chandef.chan;
1018
1019 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
1020 if (ch)
1021 cmd.sniffer_cfg.channel = ch->hw_value - 1;
1022 cmd.sniffer_cfg.phy_info_mode =
1023 cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
1024 cmd.sniffer_cfg.phy_support =
1025 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
1026 ? WMI_SNIFFER_CP : WMI_SNIFFER_DP);
1027 } else {
1028 /* Initialize offload (in non-sniffer mode).
1029 * Linux IP stack always calculates IP checksum
1030 * HW always calculate TCP/UDP checksum
1031 */
1032 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
1033 }
1034 /* typical time for secure PCP is 840ms */
1035 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, &cmd, sizeof(cmd),
1036 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
1037 if (rc)
1038 return rc;
1039
1040 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
1041
1042 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
1043 le32_to_cpu(evt.evt.status), vring->hwtail);
1044
1045 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
1046 rc = -EINVAL;
1047
1048 return rc;
1049}
1050
1051int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r)
1052{
1053 int rc;
1054 struct wmi_temp_sense_cmd cmd = {
1055 .measure_marlon_m_en = cpu_to_le32(!!t_m),
1056 .measure_marlon_r_en = cpu_to_le32(!!t_r),
1057 };
1058 struct {
1059 struct wil6210_mbox_hdr_wmi wmi;
1060 struct wmi_temp_sense_done_event evt;
1061 } __packed reply;
1062
1063 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
1064 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
1065 if (rc)
1066 return rc;
1067
1068 if (t_m)
1069 *t_m = le32_to_cpu(reply.evt.marlon_m_t1000);
1070 if (t_r)
1071 *t_r = le32_to_cpu(reply.evt.marlon_r_t1000);
1072
1073 return 0;
1074}
1075
1076int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)
1077{
1078 struct wmi_disconnect_sta_cmd cmd = {
1079 .disconnect_reason = cpu_to_le16(reason),
1080 };
1081 memcpy(cmd.dst_mac, mac, ETH_ALEN);
1082
1083 wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
1084
1085 return wmi_send(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd));
1086}
1087
1088void wmi_event_flush(struct wil6210_priv *wil)
1089{
1090 struct pending_wmi_event *evt, *t;
1091
1092 wil_dbg_wmi(wil, "%s()\n", __func__);
1093
1094 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
1095 list_del(&evt->list);
1096 kfree(evt);
1097 }
1098}
1099
1100static bool wmi_evt_call_handler(struct wil6210_priv *wil, int id,
1101 void *d, int len)
1102{
1103 uint i;
1104
1105 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
1106 if (wmi_evt_handlers[i].eventid == id) {
1107 wmi_evt_handlers[i].handler(wil, id, d, len);
1108 return true;
1109 }
1110 }
1111
1112 return false;
1113}
1114
1115static void wmi_event_handle(struct wil6210_priv *wil,
1116 struct wil6210_mbox_hdr *hdr)
1117{
1118 u16 len = le16_to_cpu(hdr->len);
1119
1120 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
1121 (len >= sizeof(struct wil6210_mbox_hdr_wmi))) {
1122 struct wil6210_mbox_hdr_wmi *wmi = (void *)(&hdr[1]);
1123 void *evt_data = (void *)(&wmi[1]);
1124 u16 id = le16_to_cpu(wmi->id);
1125 /* check if someone waits for this event */
1126 if (wil->reply_id && wil->reply_id == id) {
1127 if (wil->reply_buf) {
1128 memcpy(wil->reply_buf, wmi,
1129 min(len, wil->reply_size));
1130 } else {
1131 wmi_evt_call_handler(wil, id, evt_data,
1132 len - sizeof(*wmi));
1133 }
1134 wil_dbg_wmi(wil, "Complete WMI 0x%04x\n", id);
1135 complete(&wil->wmi_ready);
1136 return;
1137 }
1138 /* unsolicited event */
1139 /* search for handler */
1140 if (!wmi_evt_call_handler(wil, id, evt_data,
1141 len - sizeof(*wmi))) {
1142 wil_err(wil, "Unhandled event 0x%04x\n", id);
1143 }
1144 } else {
1145 wil_err(wil, "Unknown event type\n");
1146 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
1147 hdr, sizeof(*hdr) + len, true);
1148 }
1149}
1150
1151/*
1152 * Retrieve next WMI event from the pending list
1153 */
1154static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
1155{
1156 ulong flags;
1157 struct list_head *ret = NULL;
1158
1159 spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1160
1161 if (!list_empty(&wil->pending_wmi_ev)) {
1162 ret = wil->pending_wmi_ev.next;
1163 list_del(ret);
1164 }
1165
1166 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
1167
1168 return ret;
1169}
1170
1171/*
1172 * Handler for the WMI events
1173 */
1174void wmi_event_worker(struct work_struct *work)
1175{
1176 struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
1177 wmi_event_worker);
1178 struct pending_wmi_event *evt;
1179 struct list_head *lh;
1180
1181 while ((lh = next_wmi_ev(wil)) != NULL) {
1182 evt = list_entry(lh, struct pending_wmi_event, list);
1183 wmi_event_handle(wil, &evt->event.hdr);
1184 kfree(evt);
1185 }
1186}