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1 // SPDX-License-Identifier: ISC
2 /*
3  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
4  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
5  */
6 
7 #include <linux/moduleparam.h>
8 #include <linux/etherdevice.h>
9 #include <linux/if_arp.h>
10 
11 #include "wil6210.h"
12 #include "txrx.h"
13 #include "wmi.h"
14 #include "trace.h"
15 
16 /* set the default max assoc sta to max supported by driver */
17 uint max_assoc_sta = WIL6210_MAX_CID;
18 module_param(max_assoc_sta, uint, 0444);
19 MODULE_PARM_DESC(max_assoc_sta, " Max number of stations associated to the AP");
20 
21 int agg_wsize; /* = 0; */
22 module_param(agg_wsize, int, 0644);
23 MODULE_PARM_DESC(agg_wsize, " Window size for Tx Block Ack after connect;"
24 		 " 0 - use default; < 0 - don't auto-establish");
25 
26 u8 led_id = WIL_LED_INVALID_ID;
27 module_param(led_id, byte, 0444);
28 MODULE_PARM_DESC(led_id,
29 		 " 60G device led enablement. Set the led ID (0-2) to enable");
30 
31 #define WIL_WAIT_FOR_SUSPEND_RESUME_COMP 200
32 #define WIL_WMI_PCP_STOP_TO_MS 5000
33 
34 /**
35  * DOC: WMI event receiving - theory of operations
36  *
37  * When firmware about to report WMI event, it fills memory area
38  * in the mailbox and raises misc. IRQ. Thread interrupt handler invoked for
39  * the misc IRQ, function @wmi_recv_cmd called by thread IRQ handler.
40  *
41  * @wmi_recv_cmd reads event, allocates memory chunk  and attaches it to the
42  * event list @wil->pending_wmi_ev. Then, work queue @wil->wmi_wq wakes up
43  * and handles events within the @wmi_event_worker. Every event get detached
44  * from list, processed and deleted.
45  *
46  * Purpose for this mechanism is to release IRQ thread; otherwise,
47  * if WMI event handling involves another WMI command flow, this 2-nd flow
48  * won't be completed because of blocked IRQ thread.
49  */
50 
51 /**
52  * DOC: Addressing - theory of operations
53  *
54  * There are several buses present on the WIL6210 card.
55  * Same memory areas are visible at different address on
56  * the different busses. There are 3 main bus masters:
57  *  - MAC CPU (ucode)
58  *  - User CPU (firmware)
59  *  - AHB (host)
60  *
61  * On the PCI bus, there is one BAR (BAR0) of 2Mb size, exposing
62  * AHB addresses starting from 0x880000
63  *
64  * Internally, firmware uses addresses that allow faster access but
65  * are invisible from the host. To read from these addresses, alternative
66  * AHB address must be used.
67  */
68 
69 /* sparrow_fw_mapping provides memory remapping table for sparrow
70  *
71  * array size should be in sync with the declaration in the wil6210.h
72  *
73  * Sparrow memory mapping:
74  * Linker address         PCI/Host address
75  *                        0x880000 .. 0xa80000  2Mb BAR0
76  * 0x800000 .. 0x808000   0x900000 .. 0x908000  32k DCCM
77  * 0x840000 .. 0x860000   0x908000 .. 0x928000  128k PERIPH
78  */
79 const struct fw_map sparrow_fw_mapping[] = {
80 	/* FW code RAM 256k */
81 	{0x000000, 0x040000, 0x8c0000, "fw_code", true, true},
82 	/* FW data RAM 32k */
83 	{0x800000, 0x808000, 0x900000, "fw_data", true, true},
84 	/* periph data 128k */
85 	{0x840000, 0x860000, 0x908000, "fw_peri", true, true},
86 	/* various RGF 40k */
87 	{0x880000, 0x88a000, 0x880000, "rgf", true, true},
88 	/* AGC table   4k */
89 	{0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true},
90 	/* Pcie_ext_rgf 4k */
91 	{0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true},
92 	/* mac_ext_rgf 512b */
93 	{0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext", true, true},
94 	/* upper area 548k */
95 	{0x8c0000, 0x949000, 0x8c0000, "upper", true, true},
96 	/* UCODE areas - accessible by debugfs blobs but not by
97 	 * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas!
98 	 */
99 	/* ucode code RAM 128k */
100 	{0x000000, 0x020000, 0x920000, "uc_code", false, false},
101 	/* ucode data RAM 16k */
102 	{0x800000, 0x804000, 0x940000, "uc_data", false, false},
103 };
104 
105 /* sparrow_d0_mac_rgf_ext - mac_rgf_ext section for Sparrow D0
106  * it is a bit larger to support extra features
107  */
108 const struct fw_map sparrow_d0_mac_rgf_ext = {
109 	0x88c000, 0x88c500, 0x88c000, "mac_rgf_ext", true, true
110 };
111 
112 /* talyn_fw_mapping provides memory remapping table for Talyn
113  *
114  * array size should be in sync with the declaration in the wil6210.h
115  *
116  * Talyn memory mapping:
117  * Linker address         PCI/Host address
118  *                        0x880000 .. 0xc80000  4Mb BAR0
119  * 0x800000 .. 0x820000   0xa00000 .. 0xa20000  128k DCCM
120  * 0x840000 .. 0x858000   0xa20000 .. 0xa38000  96k PERIPH
121  */
122 const struct fw_map talyn_fw_mapping[] = {
123 	/* FW code RAM 1M */
124 	{0x000000, 0x100000, 0x900000, "fw_code", true, true},
125 	/* FW data RAM 128k */
126 	{0x800000, 0x820000, 0xa00000, "fw_data", true, true},
127 	/* periph. data RAM 96k */
128 	{0x840000, 0x858000, 0xa20000, "fw_peri", true, true},
129 	/* various RGF 40k */
130 	{0x880000, 0x88a000, 0x880000, "rgf", true, true},
131 	/* AGC table 4k */
132 	{0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true},
133 	/* Pcie_ext_rgf 4k */
134 	{0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true},
135 	/* mac_ext_rgf 1344b */
136 	{0x88c000, 0x88c540, 0x88c000, "mac_rgf_ext", true, true},
137 	/* ext USER RGF 4k */
138 	{0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true, true},
139 	/* OTP 4k */
140 	{0x8a0000, 0x8a1000, 0x8a0000, "otp", true, false},
141 	/* DMA EXT RGF 64k */
142 	{0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true, true},
143 	/* upper area 1536k */
144 	{0x900000, 0xa80000, 0x900000, "upper", true, true},
145 	/* UCODE areas - accessible by debugfs blobs but not by
146 	 * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas!
147 	 */
148 	/* ucode code RAM 256k */
149 	{0x000000, 0x040000, 0xa38000, "uc_code", false, false},
150 	/* ucode data RAM 32k */
151 	{0x800000, 0x808000, 0xa78000, "uc_data", false, false},
152 };
153 
154 /* talyn_mb_fw_mapping provides memory remapping table for Talyn-MB
155  *
156  * array size should be in sync with the declaration in the wil6210.h
157  *
158  * Talyn MB memory mapping:
159  * Linker address         PCI/Host address
160  *                        0x880000 .. 0xc80000  4Mb BAR0
161  * 0x800000 .. 0x820000   0xa00000 .. 0xa20000  128k DCCM
162  * 0x840000 .. 0x858000   0xa20000 .. 0xa38000  96k PERIPH
163  */
164 const struct fw_map talyn_mb_fw_mapping[] = {
165 	/* FW code RAM 768k */
166 	{0x000000, 0x0c0000, 0x900000, "fw_code", true, true},
167 	/* FW data RAM 128k */
168 	{0x800000, 0x820000, 0xa00000, "fw_data", true, true},
169 	/* periph. data RAM 96k */
170 	{0x840000, 0x858000, 0xa20000, "fw_peri", true, true},
171 	/* various RGF 40k */
172 	{0x880000, 0x88a000, 0x880000, "rgf", true, true},
173 	/* AGC table 4k */
174 	{0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true},
175 	/* Pcie_ext_rgf 4k */
176 	{0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true},
177 	/* mac_ext_rgf 2256b */
178 	{0x88c000, 0x88c8d0, 0x88c000, "mac_rgf_ext", true, true},
179 	/* ext USER RGF 4k */
180 	{0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true, true},
181 	/* SEC PKA 16k */
182 	{0x890000, 0x894000, 0x890000, "sec_pka", true, true},
183 	/* SEC KDF RGF 3096b */
184 	{0x898000, 0x898c18, 0x898000, "sec_kdf_rgf", true, true},
185 	/* SEC MAIN 2124b */
186 	{0x89a000, 0x89a84c, 0x89a000, "sec_main", true, true},
187 	/* OTP 4k */
188 	{0x8a0000, 0x8a1000, 0x8a0000, "otp", true, false},
189 	/* DMA EXT RGF 64k */
190 	{0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true, true},
191 	/* DUM USER RGF 528b */
192 	{0x8c0000, 0x8c0210, 0x8c0000, "dum_user_rgf", true, true},
193 	/* DMA OFU 296b */
194 	{0x8c2000, 0x8c2128, 0x8c2000, "dma_ofu", true, true},
195 	/* ucode debug 256b */
196 	{0x8c3000, 0x8c3100, 0x8c3000, "ucode_debug", true, true},
197 	/* upper area 1536k */
198 	{0x900000, 0xa80000, 0x900000, "upper", true, true},
199 	/* UCODE areas - accessible by debugfs blobs but not by
200 	 * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas!
201 	 */
202 	/* ucode code RAM 256k */
203 	{0x000000, 0x040000, 0xa38000, "uc_code", false, false},
204 	/* ucode data RAM 32k */
205 	{0x800000, 0x808000, 0xa78000, "uc_data", false, false},
206 };
207 
208 struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE];
209 
210 struct blink_on_off_time led_blink_time[] = {
211 	{WIL_LED_BLINK_ON_SLOW_MS, WIL_LED_BLINK_OFF_SLOW_MS},
212 	{WIL_LED_BLINK_ON_MED_MS, WIL_LED_BLINK_OFF_MED_MS},
213 	{WIL_LED_BLINK_ON_FAST_MS, WIL_LED_BLINK_OFF_FAST_MS},
214 };
215 
216 struct auth_no_hdr {
217 	__le16 auth_alg;
218 	__le16 auth_transaction;
219 	__le16 status_code;
220 	/* possibly followed by Challenge text */
221 	u8 variable[];
222 } __packed;
223 
224 u8 led_polarity = LED_POLARITY_LOW_ACTIVE;
225 
226 /**
227  * return AHB address for given firmware internal (linker) address
228  * @x: internal address
229  * If address have no valid AHB mapping, return 0
230  */
wmi_addr_remap(u32 x)231 static u32 wmi_addr_remap(u32 x)
232 {
233 	uint i;
234 
235 	for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
236 		if (fw_mapping[i].fw &&
237 		    ((x >= fw_mapping[i].from) && (x < fw_mapping[i].to)))
238 			return x + fw_mapping[i].host - fw_mapping[i].from;
239 	}
240 
241 	return 0;
242 }
243 
244 /**
245  * find fw_mapping entry by section name
246  * @section: section name
247  *
248  * Return pointer to section or NULL if not found
249  */
wil_find_fw_mapping(const char * section)250 struct fw_map *wil_find_fw_mapping(const char *section)
251 {
252 	int i;
253 
254 	for (i = 0; i < ARRAY_SIZE(fw_mapping); i++)
255 		if (fw_mapping[i].name &&
256 		    !strcmp(section, fw_mapping[i].name))
257 			return &fw_mapping[i];
258 
259 	return NULL;
260 }
261 
262 /**
263  * Check address validity for WMI buffer; remap if needed
264  * @wil: driver data
265  * @ptr: internal (linker) fw/ucode address
266  * @size: if non zero, validate the block does not
267  *  exceed the device memory (bar)
268  *
269  * Valid buffer should be DWORD aligned
270  *
271  * return address for accessing buffer from the host;
272  * if buffer is not valid, return NULL.
273  */
wmi_buffer_block(struct wil6210_priv * wil,__le32 ptr_,u32 size)274 void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr_, u32 size)
275 {
276 	u32 off;
277 	u32 ptr = le32_to_cpu(ptr_);
278 
279 	if (ptr % 4)
280 		return NULL;
281 
282 	ptr = wmi_addr_remap(ptr);
283 	if (ptr < WIL6210_FW_HOST_OFF)
284 		return NULL;
285 
286 	off = HOSTADDR(ptr);
287 	if (off > wil->bar_size - 4)
288 		return NULL;
289 	if (size && ((off + size > wil->bar_size) || (off + size < off)))
290 		return NULL;
291 
292 	return wil->csr + off;
293 }
294 
wmi_buffer(struct wil6210_priv * wil,__le32 ptr_)295 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
296 {
297 	return wmi_buffer_block(wil, ptr_, 0);
298 }
299 
300 /* Check address validity */
wmi_addr(struct wil6210_priv * wil,u32 ptr)301 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr)
302 {
303 	u32 off;
304 
305 	if (ptr % 4)
306 		return NULL;
307 
308 	if (ptr < WIL6210_FW_HOST_OFF)
309 		return NULL;
310 
311 	off = HOSTADDR(ptr);
312 	if (off > wil->bar_size - 4)
313 		return NULL;
314 
315 	return wil->csr + off;
316 }
317 
wmi_read_hdr(struct wil6210_priv * wil,__le32 ptr,struct wil6210_mbox_hdr * hdr)318 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,
319 		 struct wil6210_mbox_hdr *hdr)
320 {
321 	void __iomem *src = wmi_buffer(wil, ptr);
322 
323 	if (!src)
324 		return -EINVAL;
325 
326 	wil_memcpy_fromio_32(hdr, src, sizeof(*hdr));
327 
328 	return 0;
329 }
330 
cmdid2name(u16 cmdid)331 static const char *cmdid2name(u16 cmdid)
332 {
333 	switch (cmdid) {
334 	case WMI_NOTIFY_REQ_CMDID:
335 		return "WMI_NOTIFY_REQ_CMD";
336 	case WMI_START_SCAN_CMDID:
337 		return "WMI_START_SCAN_CMD";
338 	case WMI_CONNECT_CMDID:
339 		return "WMI_CONNECT_CMD";
340 	case WMI_DISCONNECT_CMDID:
341 		return "WMI_DISCONNECT_CMD";
342 	case WMI_SW_TX_REQ_CMDID:
343 		return "WMI_SW_TX_REQ_CMD";
344 	case WMI_GET_RF_SECTOR_PARAMS_CMDID:
345 		return "WMI_GET_RF_SECTOR_PARAMS_CMD";
346 	case WMI_SET_RF_SECTOR_PARAMS_CMDID:
347 		return "WMI_SET_RF_SECTOR_PARAMS_CMD";
348 	case WMI_GET_SELECTED_RF_SECTOR_INDEX_CMDID:
349 		return "WMI_GET_SELECTED_RF_SECTOR_INDEX_CMD";
350 	case WMI_SET_SELECTED_RF_SECTOR_INDEX_CMDID:
351 		return "WMI_SET_SELECTED_RF_SECTOR_INDEX_CMD";
352 	case WMI_BRP_SET_ANT_LIMIT_CMDID:
353 		return "WMI_BRP_SET_ANT_LIMIT_CMD";
354 	case WMI_TOF_SESSION_START_CMDID:
355 		return "WMI_TOF_SESSION_START_CMD";
356 	case WMI_AOA_MEAS_CMDID:
357 		return "WMI_AOA_MEAS_CMD";
358 	case WMI_PMC_CMDID:
359 		return "WMI_PMC_CMD";
360 	case WMI_TOF_GET_TX_RX_OFFSET_CMDID:
361 		return "WMI_TOF_GET_TX_RX_OFFSET_CMD";
362 	case WMI_TOF_SET_TX_RX_OFFSET_CMDID:
363 		return "WMI_TOF_SET_TX_RX_OFFSET_CMD";
364 	case WMI_VRING_CFG_CMDID:
365 		return "WMI_VRING_CFG_CMD";
366 	case WMI_BCAST_VRING_CFG_CMDID:
367 		return "WMI_BCAST_VRING_CFG_CMD";
368 	case WMI_TRAFFIC_SUSPEND_CMDID:
369 		return "WMI_TRAFFIC_SUSPEND_CMD";
370 	case WMI_TRAFFIC_RESUME_CMDID:
371 		return "WMI_TRAFFIC_RESUME_CMD";
372 	case WMI_ECHO_CMDID:
373 		return "WMI_ECHO_CMD";
374 	case WMI_SET_MAC_ADDRESS_CMDID:
375 		return "WMI_SET_MAC_ADDRESS_CMD";
376 	case WMI_LED_CFG_CMDID:
377 		return "WMI_LED_CFG_CMD";
378 	case WMI_PCP_START_CMDID:
379 		return "WMI_PCP_START_CMD";
380 	case WMI_PCP_STOP_CMDID:
381 		return "WMI_PCP_STOP_CMD";
382 	case WMI_SET_SSID_CMDID:
383 		return "WMI_SET_SSID_CMD";
384 	case WMI_GET_SSID_CMDID:
385 		return "WMI_GET_SSID_CMD";
386 	case WMI_SET_PCP_CHANNEL_CMDID:
387 		return "WMI_SET_PCP_CHANNEL_CMD";
388 	case WMI_GET_PCP_CHANNEL_CMDID:
389 		return "WMI_GET_PCP_CHANNEL_CMD";
390 	case WMI_P2P_CFG_CMDID:
391 		return "WMI_P2P_CFG_CMD";
392 	case WMI_PORT_ALLOCATE_CMDID:
393 		return "WMI_PORT_ALLOCATE_CMD";
394 	case WMI_PORT_DELETE_CMDID:
395 		return "WMI_PORT_DELETE_CMD";
396 	case WMI_START_LISTEN_CMDID:
397 		return "WMI_START_LISTEN_CMD";
398 	case WMI_START_SEARCH_CMDID:
399 		return "WMI_START_SEARCH_CMD";
400 	case WMI_DISCOVERY_STOP_CMDID:
401 		return "WMI_DISCOVERY_STOP_CMD";
402 	case WMI_DELETE_CIPHER_KEY_CMDID:
403 		return "WMI_DELETE_CIPHER_KEY_CMD";
404 	case WMI_ADD_CIPHER_KEY_CMDID:
405 		return "WMI_ADD_CIPHER_KEY_CMD";
406 	case WMI_SET_APPIE_CMDID:
407 		return "WMI_SET_APPIE_CMD";
408 	case WMI_CFG_RX_CHAIN_CMDID:
409 		return "WMI_CFG_RX_CHAIN_CMD";
410 	case WMI_TEMP_SENSE_CMDID:
411 		return "WMI_TEMP_SENSE_CMD";
412 	case WMI_DEL_STA_CMDID:
413 		return "WMI_DEL_STA_CMD";
414 	case WMI_DISCONNECT_STA_CMDID:
415 		return "WMI_DISCONNECT_STA_CMD";
416 	case WMI_RING_BA_EN_CMDID:
417 		return "WMI_RING_BA_EN_CMD";
418 	case WMI_RING_BA_DIS_CMDID:
419 		return "WMI_RING_BA_DIS_CMD";
420 	case WMI_RCP_DELBA_CMDID:
421 		return "WMI_RCP_DELBA_CMD";
422 	case WMI_RCP_ADDBA_RESP_CMDID:
423 		return "WMI_RCP_ADDBA_RESP_CMD";
424 	case WMI_RCP_ADDBA_RESP_EDMA_CMDID:
425 		return "WMI_RCP_ADDBA_RESP_EDMA_CMD";
426 	case WMI_PS_DEV_PROFILE_CFG_CMDID:
427 		return "WMI_PS_DEV_PROFILE_CFG_CMD";
428 	case WMI_SET_MGMT_RETRY_LIMIT_CMDID:
429 		return "WMI_SET_MGMT_RETRY_LIMIT_CMD";
430 	case WMI_GET_MGMT_RETRY_LIMIT_CMDID:
431 		return "WMI_GET_MGMT_RETRY_LIMIT_CMD";
432 	case WMI_ABORT_SCAN_CMDID:
433 		return "WMI_ABORT_SCAN_CMD";
434 	case WMI_NEW_STA_CMDID:
435 		return "WMI_NEW_STA_CMD";
436 	case WMI_SET_THERMAL_THROTTLING_CFG_CMDID:
437 		return "WMI_SET_THERMAL_THROTTLING_CFG_CMD";
438 	case WMI_GET_THERMAL_THROTTLING_CFG_CMDID:
439 		return "WMI_GET_THERMAL_THROTTLING_CFG_CMD";
440 	case WMI_LINK_MAINTAIN_CFG_WRITE_CMDID:
441 		return "WMI_LINK_MAINTAIN_CFG_WRITE_CMD";
442 	case WMI_LO_POWER_CALIB_FROM_OTP_CMDID:
443 		return "WMI_LO_POWER_CALIB_FROM_OTP_CMD";
444 	case WMI_START_SCHED_SCAN_CMDID:
445 		return "WMI_START_SCHED_SCAN_CMD";
446 	case WMI_STOP_SCHED_SCAN_CMDID:
447 		return "WMI_STOP_SCHED_SCAN_CMD";
448 	case WMI_TX_STATUS_RING_ADD_CMDID:
449 		return "WMI_TX_STATUS_RING_ADD_CMD";
450 	case WMI_RX_STATUS_RING_ADD_CMDID:
451 		return "WMI_RX_STATUS_RING_ADD_CMD";
452 	case WMI_TX_DESC_RING_ADD_CMDID:
453 		return "WMI_TX_DESC_RING_ADD_CMD";
454 	case WMI_RX_DESC_RING_ADD_CMDID:
455 		return "WMI_RX_DESC_RING_ADD_CMD";
456 	case WMI_BCAST_DESC_RING_ADD_CMDID:
457 		return "WMI_BCAST_DESC_RING_ADD_CMD";
458 	case WMI_CFG_DEF_RX_OFFLOAD_CMDID:
459 		return "WMI_CFG_DEF_RX_OFFLOAD_CMD";
460 	case WMI_LINK_STATS_CMDID:
461 		return "WMI_LINK_STATS_CMD";
462 	case WMI_SW_TX_REQ_EXT_CMDID:
463 		return "WMI_SW_TX_REQ_EXT_CMDID";
464 	case WMI_FT_AUTH_CMDID:
465 		return "WMI_FT_AUTH_CMD";
466 	case WMI_FT_REASSOC_CMDID:
467 		return "WMI_FT_REASSOC_CMD";
468 	case WMI_UPDATE_FT_IES_CMDID:
469 		return "WMI_UPDATE_FT_IES_CMD";
470 	case WMI_RBUFCAP_CFG_CMDID:
471 		return "WMI_RBUFCAP_CFG_CMD";
472 	case WMI_TEMP_SENSE_ALL_CMDID:
473 		return "WMI_TEMP_SENSE_ALL_CMDID";
474 	case WMI_SET_LINK_MONITOR_CMDID:
475 		return "WMI_SET_LINK_MONITOR_CMD";
476 	default:
477 		return "Untracked CMD";
478 	}
479 }
480 
eventid2name(u16 eventid)481 static const char *eventid2name(u16 eventid)
482 {
483 	switch (eventid) {
484 	case WMI_NOTIFY_REQ_DONE_EVENTID:
485 		return "WMI_NOTIFY_REQ_DONE_EVENT";
486 	case WMI_DISCONNECT_EVENTID:
487 		return "WMI_DISCONNECT_EVENT";
488 	case WMI_SW_TX_COMPLETE_EVENTID:
489 		return "WMI_SW_TX_COMPLETE_EVENT";
490 	case WMI_GET_RF_SECTOR_PARAMS_DONE_EVENTID:
491 		return "WMI_GET_RF_SECTOR_PARAMS_DONE_EVENT";
492 	case WMI_SET_RF_SECTOR_PARAMS_DONE_EVENTID:
493 		return "WMI_SET_RF_SECTOR_PARAMS_DONE_EVENT";
494 	case WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID:
495 		return "WMI_GET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT";
496 	case WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENTID:
497 		return "WMI_SET_SELECTED_RF_SECTOR_INDEX_DONE_EVENT";
498 	case WMI_BRP_SET_ANT_LIMIT_EVENTID:
499 		return "WMI_BRP_SET_ANT_LIMIT_EVENT";
500 	case WMI_FW_READY_EVENTID:
501 		return "WMI_FW_READY_EVENT";
502 	case WMI_TRAFFIC_RESUME_EVENTID:
503 		return "WMI_TRAFFIC_RESUME_EVENT";
504 	case WMI_TOF_GET_TX_RX_OFFSET_EVENTID:
505 		return "WMI_TOF_GET_TX_RX_OFFSET_EVENT";
506 	case WMI_TOF_SET_TX_RX_OFFSET_EVENTID:
507 		return "WMI_TOF_SET_TX_RX_OFFSET_EVENT";
508 	case WMI_VRING_CFG_DONE_EVENTID:
509 		return "WMI_VRING_CFG_DONE_EVENT";
510 	case WMI_READY_EVENTID:
511 		return "WMI_READY_EVENT";
512 	case WMI_RX_MGMT_PACKET_EVENTID:
513 		return "WMI_RX_MGMT_PACKET_EVENT";
514 	case WMI_TX_MGMT_PACKET_EVENTID:
515 		return "WMI_TX_MGMT_PACKET_EVENT";
516 	case WMI_SCAN_COMPLETE_EVENTID:
517 		return "WMI_SCAN_COMPLETE_EVENT";
518 	case WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENTID:
519 		return "WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT";
520 	case WMI_CONNECT_EVENTID:
521 		return "WMI_CONNECT_EVENT";
522 	case WMI_EAPOL_RX_EVENTID:
523 		return "WMI_EAPOL_RX_EVENT";
524 	case WMI_BA_STATUS_EVENTID:
525 		return "WMI_BA_STATUS_EVENT";
526 	case WMI_RCP_ADDBA_REQ_EVENTID:
527 		return "WMI_RCP_ADDBA_REQ_EVENT";
528 	case WMI_DELBA_EVENTID:
529 		return "WMI_DELBA_EVENT";
530 	case WMI_RING_EN_EVENTID:
531 		return "WMI_RING_EN_EVENT";
532 	case WMI_DATA_PORT_OPEN_EVENTID:
533 		return "WMI_DATA_PORT_OPEN_EVENT";
534 	case WMI_AOA_MEAS_EVENTID:
535 		return "WMI_AOA_MEAS_EVENT";
536 	case WMI_TOF_SESSION_END_EVENTID:
537 		return "WMI_TOF_SESSION_END_EVENT";
538 	case WMI_TOF_GET_CAPABILITIES_EVENTID:
539 		return "WMI_TOF_GET_CAPABILITIES_EVENT";
540 	case WMI_TOF_SET_LCR_EVENTID:
541 		return "WMI_TOF_SET_LCR_EVENT";
542 	case WMI_TOF_SET_LCI_EVENTID:
543 		return "WMI_TOF_SET_LCI_EVENT";
544 	case WMI_TOF_FTM_PER_DEST_RES_EVENTID:
545 		return "WMI_TOF_FTM_PER_DEST_RES_EVENT";
546 	case WMI_TOF_CHANNEL_INFO_EVENTID:
547 		return "WMI_TOF_CHANNEL_INFO_EVENT";
548 	case WMI_TRAFFIC_SUSPEND_EVENTID:
549 		return "WMI_TRAFFIC_SUSPEND_EVENT";
550 	case WMI_ECHO_RSP_EVENTID:
551 		return "WMI_ECHO_RSP_EVENT";
552 	case WMI_LED_CFG_DONE_EVENTID:
553 		return "WMI_LED_CFG_DONE_EVENT";
554 	case WMI_PCP_STARTED_EVENTID:
555 		return "WMI_PCP_STARTED_EVENT";
556 	case WMI_PCP_STOPPED_EVENTID:
557 		return "WMI_PCP_STOPPED_EVENT";
558 	case WMI_GET_SSID_EVENTID:
559 		return "WMI_GET_SSID_EVENT";
560 	case WMI_GET_PCP_CHANNEL_EVENTID:
561 		return "WMI_GET_PCP_CHANNEL_EVENT";
562 	case WMI_P2P_CFG_DONE_EVENTID:
563 		return "WMI_P2P_CFG_DONE_EVENT";
564 	case WMI_PORT_ALLOCATED_EVENTID:
565 		return "WMI_PORT_ALLOCATED_EVENT";
566 	case WMI_PORT_DELETED_EVENTID:
567 		return "WMI_PORT_DELETED_EVENT";
568 	case WMI_LISTEN_STARTED_EVENTID:
569 		return "WMI_LISTEN_STARTED_EVENT";
570 	case WMI_SEARCH_STARTED_EVENTID:
571 		return "WMI_SEARCH_STARTED_EVENT";
572 	case WMI_DISCOVERY_STOPPED_EVENTID:
573 		return "WMI_DISCOVERY_STOPPED_EVENT";
574 	case WMI_CFG_RX_CHAIN_DONE_EVENTID:
575 		return "WMI_CFG_RX_CHAIN_DONE_EVENT";
576 	case WMI_TEMP_SENSE_DONE_EVENTID:
577 		return "WMI_TEMP_SENSE_DONE_EVENT";
578 	case WMI_RCP_ADDBA_RESP_SENT_EVENTID:
579 		return "WMI_RCP_ADDBA_RESP_SENT_EVENT";
580 	case WMI_PS_DEV_PROFILE_CFG_EVENTID:
581 		return "WMI_PS_DEV_PROFILE_CFG_EVENT";
582 	case WMI_SET_MGMT_RETRY_LIMIT_EVENTID:
583 		return "WMI_SET_MGMT_RETRY_LIMIT_EVENT";
584 	case WMI_GET_MGMT_RETRY_LIMIT_EVENTID:
585 		return "WMI_GET_MGMT_RETRY_LIMIT_EVENT";
586 	case WMI_SET_THERMAL_THROTTLING_CFG_EVENTID:
587 		return "WMI_SET_THERMAL_THROTTLING_CFG_EVENT";
588 	case WMI_GET_THERMAL_THROTTLING_CFG_EVENTID:
589 		return "WMI_GET_THERMAL_THROTTLING_CFG_EVENT";
590 	case WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENTID:
591 		return "WMI_LINK_MAINTAIN_CFG_WRITE_DONE_EVENT";
592 	case WMI_LO_POWER_CALIB_FROM_OTP_EVENTID:
593 		return "WMI_LO_POWER_CALIB_FROM_OTP_EVENT";
594 	case WMI_START_SCHED_SCAN_EVENTID:
595 		return "WMI_START_SCHED_SCAN_EVENT";
596 	case WMI_STOP_SCHED_SCAN_EVENTID:
597 		return "WMI_STOP_SCHED_SCAN_EVENT";
598 	case WMI_SCHED_SCAN_RESULT_EVENTID:
599 		return "WMI_SCHED_SCAN_RESULT_EVENT";
600 	case WMI_TX_STATUS_RING_CFG_DONE_EVENTID:
601 		return "WMI_TX_STATUS_RING_CFG_DONE_EVENT";
602 	case WMI_RX_STATUS_RING_CFG_DONE_EVENTID:
603 		return "WMI_RX_STATUS_RING_CFG_DONE_EVENT";
604 	case WMI_TX_DESC_RING_CFG_DONE_EVENTID:
605 		return "WMI_TX_DESC_RING_CFG_DONE_EVENT";
606 	case WMI_RX_DESC_RING_CFG_DONE_EVENTID:
607 		return "WMI_RX_DESC_RING_CFG_DONE_EVENT";
608 	case WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID:
609 		return "WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENT";
610 	case WMI_LINK_STATS_CONFIG_DONE_EVENTID:
611 		return "WMI_LINK_STATS_CONFIG_DONE_EVENT";
612 	case WMI_LINK_STATS_EVENTID:
613 		return "WMI_LINK_STATS_EVENT";
614 	case WMI_COMMAND_NOT_SUPPORTED_EVENTID:
615 		return "WMI_COMMAND_NOT_SUPPORTED_EVENT";
616 	case WMI_FT_AUTH_STATUS_EVENTID:
617 		return "WMI_FT_AUTH_STATUS_EVENT";
618 	case WMI_FT_REASSOC_STATUS_EVENTID:
619 		return "WMI_FT_REASSOC_STATUS_EVENT";
620 	case WMI_RBUFCAP_CFG_EVENTID:
621 		return "WMI_RBUFCAP_CFG_EVENT";
622 	case WMI_TEMP_SENSE_ALL_DONE_EVENTID:
623 		return "WMI_TEMP_SENSE_ALL_DONE_EVENTID";
624 	case WMI_SET_LINK_MONITOR_EVENTID:
625 		return "WMI_SET_LINK_MONITOR_EVENT";
626 	case WMI_LINK_MONITOR_EVENTID:
627 		return "WMI_LINK_MONITOR_EVENT";
628 	default:
629 		return "Untracked EVENT";
630 	}
631 }
632 
__wmi_send(struct wil6210_priv * wil,u16 cmdid,u8 mid,void * buf,u16 len)633 static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid,
634 		      void *buf, u16 len)
635 {
636 	struct {
637 		struct wil6210_mbox_hdr hdr;
638 		struct wmi_cmd_hdr wmi;
639 	} __packed cmd = {
640 		.hdr = {
641 			.type = WIL_MBOX_HDR_TYPE_WMI,
642 			.flags = 0,
643 			.len = cpu_to_le16(sizeof(cmd.wmi) + len),
644 		},
645 		.wmi = {
646 			.mid = mid,
647 			.command_id = cpu_to_le16(cmdid),
648 		},
649 	};
650 	struct wil6210_mbox_ring *r = &wil->mbox_ctl.tx;
651 	struct wil6210_mbox_ring_desc d_head;
652 	u32 next_head;
653 	void __iomem *dst;
654 	void __iomem *head = wmi_addr(wil, r->head);
655 	uint retry;
656 	int rc = 0;
657 
658 	if (len > r->entry_size - sizeof(cmd)) {
659 		wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
660 			(int)(sizeof(cmd) + len), r->entry_size);
661 		return -ERANGE;
662 	}
663 
664 	might_sleep();
665 
666 	if (!test_bit(wil_status_fwready, wil->status)) {
667 		wil_err(wil, "WMI: cannot send command while FW not ready\n");
668 		return -EAGAIN;
669 	}
670 
671 	/* Allow sending only suspend / resume commands during susepnd flow */
672 	if ((test_bit(wil_status_suspending, wil->status) ||
673 	     test_bit(wil_status_suspended, wil->status) ||
674 	     test_bit(wil_status_resuming, wil->status)) &&
675 	     ((cmdid != WMI_TRAFFIC_SUSPEND_CMDID) &&
676 	      (cmdid != WMI_TRAFFIC_RESUME_CMDID))) {
677 		wil_err(wil, "WMI: reject send_command during suspend\n");
678 		return -EINVAL;
679 	}
680 
681 	if (!head) {
682 		wil_err(wil, "WMI head is garbage: 0x%08x\n", r->head);
683 		return -EINVAL;
684 	}
685 
686 	wil_halp_vote(wil);
687 
688 	/* read Tx head till it is not busy */
689 	for (retry = 5; retry > 0; retry--) {
690 		wil_memcpy_fromio_32(&d_head, head, sizeof(d_head));
691 		if (d_head.sync == 0)
692 			break;
693 		msleep(20);
694 	}
695 	if (d_head.sync != 0) {
696 		wil_err(wil, "WMI head busy\n");
697 		rc = -EBUSY;
698 		goto out;
699 	}
700 	/* next head */
701 	next_head = r->base + ((r->head - r->base + sizeof(d_head)) % r->size);
702 	wil_dbg_wmi(wil, "Head 0x%08x -> 0x%08x\n", r->head, next_head);
703 	/* wait till FW finish with previous command */
704 	for (retry = 5; retry > 0; retry--) {
705 		if (!test_bit(wil_status_fwready, wil->status)) {
706 			wil_err(wil, "WMI: cannot send command while FW not ready\n");
707 			rc = -EAGAIN;
708 			goto out;
709 		}
710 		r->tail = wil_r(wil, RGF_MBOX +
711 				offsetof(struct wil6210_mbox_ctl, tx.tail));
712 		if (next_head != r->tail)
713 			break;
714 		msleep(20);
715 	}
716 	if (next_head == r->tail) {
717 		wil_err(wil, "WMI ring full\n");
718 		rc = -EBUSY;
719 		goto out;
720 	}
721 	dst = wmi_buffer(wil, d_head.addr);
722 	if (!dst) {
723 		wil_err(wil, "invalid WMI buffer: 0x%08x\n",
724 			le32_to_cpu(d_head.addr));
725 		rc = -EAGAIN;
726 		goto out;
727 	}
728 	cmd.hdr.seq = cpu_to_le16(++wil->wmi_seq);
729 	/* set command */
730 	wil_dbg_wmi(wil, "sending %s (0x%04x) [%d] mid %d\n",
731 		    cmdid2name(cmdid), cmdid, len, mid);
732 	wil_hex_dump_wmi("Cmd ", DUMP_PREFIX_OFFSET, 16, 1, &cmd,
733 			 sizeof(cmd), true);
734 	wil_hex_dump_wmi("cmd ", DUMP_PREFIX_OFFSET, 16, 1, buf,
735 			 len, true);
736 	wil_memcpy_toio_32(dst, &cmd, sizeof(cmd));
737 	wil_memcpy_toio_32(dst + sizeof(cmd), buf, len);
738 	/* mark entry as full */
739 	wil_w(wil, r->head + offsetof(struct wil6210_mbox_ring_desc, sync), 1);
740 	/* advance next ptr */
741 	wil_w(wil, RGF_MBOX + offsetof(struct wil6210_mbox_ctl, tx.head),
742 	      r->head = next_head);
743 
744 	trace_wil6210_wmi_cmd(&cmd.wmi, buf, len);
745 
746 	/* interrupt to FW */
747 	wil_w(wil, RGF_USER_USER_ICR + offsetof(struct RGF_ICR, ICS),
748 	      SW_INT_MBOX);
749 
750 out:
751 	wil_halp_unvote(wil);
752 	return rc;
753 }
754 
wmi_send(struct wil6210_priv * wil,u16 cmdid,u8 mid,void * buf,u16 len)755 int wmi_send(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len)
756 {
757 	int rc;
758 
759 	mutex_lock(&wil->wmi_mutex);
760 	rc = __wmi_send(wil, cmdid, mid, buf, len);
761 	mutex_unlock(&wil->wmi_mutex);
762 
763 	return rc;
764 }
765 
766 /*=== Event handlers ===*/
wmi_evt_ready(struct wil6210_vif * vif,int id,void * d,int len)767 static void wmi_evt_ready(struct wil6210_vif *vif, int id, void *d, int len)
768 {
769 	struct wil6210_priv *wil = vif_to_wil(vif);
770 	struct wiphy *wiphy = wil_to_wiphy(wil);
771 	struct wmi_ready_event *evt = d;
772 	u8 fw_max_assoc_sta;
773 
774 	wil_info(wil, "FW ver. %s(SW %d); MAC %pM; %d MID's\n",
775 		 wil->fw_version, le32_to_cpu(evt->sw_version),
776 		 evt->mac, evt->numof_additional_mids);
777 	if (evt->numof_additional_mids + 1 < wil->max_vifs) {
778 		wil_err(wil, "FW does not support enough MIDs (need %d)",
779 			wil->max_vifs - 1);
780 		return; /* FW load will fail after timeout */
781 	}
782 	/* ignore MAC address, we already have it from the boot loader */
783 	strlcpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version));
784 
785 	if (len > offsetof(struct wmi_ready_event, rfc_read_calib_result)) {
786 		wil_dbg_wmi(wil, "rfc calibration result %d\n",
787 			    evt->rfc_read_calib_result);
788 		wil->fw_calib_result = evt->rfc_read_calib_result;
789 	}
790 
791 	fw_max_assoc_sta = WIL6210_RX_DESC_MAX_CID;
792 	if (len > offsetof(struct wmi_ready_event, max_assoc_sta) &&
793 	    evt->max_assoc_sta > 0) {
794 		fw_max_assoc_sta = evt->max_assoc_sta;
795 		wil_dbg_wmi(wil, "fw reported max assoc sta %d\n",
796 			    fw_max_assoc_sta);
797 
798 		if (fw_max_assoc_sta > WIL6210_MAX_CID) {
799 			wil_dbg_wmi(wil,
800 				    "fw max assoc sta %d exceeds max driver supported %d\n",
801 				    fw_max_assoc_sta, WIL6210_MAX_CID);
802 			fw_max_assoc_sta = WIL6210_MAX_CID;
803 		}
804 	}
805 
806 	wil->max_assoc_sta = min_t(uint, max_assoc_sta, fw_max_assoc_sta);
807 	wil_dbg_wmi(wil, "setting max assoc sta to %d\n", wil->max_assoc_sta);
808 
809 	wil_set_recovery_state(wil, fw_recovery_idle);
810 	set_bit(wil_status_fwready, wil->status);
811 	/* let the reset sequence continue */
812 	complete(&wil->wmi_ready);
813 }
814 
wmi_evt_rx_mgmt(struct wil6210_vif * vif,int id,void * d,int len)815 static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len)
816 {
817 	struct wil6210_priv *wil = vif_to_wil(vif);
818 	struct wmi_rx_mgmt_packet_event *data = d;
819 	struct wiphy *wiphy = wil_to_wiphy(wil);
820 	struct ieee80211_mgmt *rx_mgmt_frame =
821 			(struct ieee80211_mgmt *)data->payload;
822 	int flen = len - offsetof(struct wmi_rx_mgmt_packet_event, payload);
823 	int ch_no;
824 	u32 freq;
825 	struct ieee80211_channel *channel;
826 	s32 signal;
827 	__le16 fc;
828 	u32 d_len;
829 	u16 d_status;
830 
831 	if (flen < 0) {
832 		wil_err(wil, "MGMT Rx: short event, len %d\n", len);
833 		return;
834 	}
835 
836 	d_len = le32_to_cpu(data->info.len);
837 	if (d_len != flen) {
838 		wil_err(wil,
839 			"MGMT Rx: length mismatch, d_len %d should be %d\n",
840 			d_len, flen);
841 		return;
842 	}
843 
844 	ch_no = data->info.channel + 1;
845 	freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
846 	channel = ieee80211_get_channel(wiphy, freq);
847 	if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
848 		signal = 100 * data->info.rssi;
849 	else
850 		signal = data->info.sqi;
851 	d_status = le16_to_cpu(data->info.status);
852 	fc = rx_mgmt_frame->frame_control;
853 
854 	wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d RSSI %d SQI %d%%\n",
855 		    data->info.channel, data->info.mcs, data->info.rssi,
856 		    data->info.sqi);
857 	wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,
858 		    le16_to_cpu(fc));
859 	wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",
860 		    data->info.qid, data->info.mid, data->info.cid);
861 	wil_hex_dump_wmi("MGMT Rx ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
862 			 d_len, true);
863 
864 	if (!channel) {
865 		wil_err(wil, "Frame on unsupported channel\n");
866 		return;
867 	}
868 
869 	if (ieee80211_is_beacon(fc) || ieee80211_is_probe_resp(fc)) {
870 		struct cfg80211_bss *bss;
871 		struct cfg80211_inform_bss bss_data = {
872 			.chan = channel,
873 			.scan_width = NL80211_BSS_CHAN_WIDTH_20,
874 			.signal = signal,
875 			.boottime_ns = ktime_to_ns(ktime_get_boottime()),
876 		};
877 		u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp);
878 		u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info);
879 		u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int);
880 		const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable;
881 		size_t ie_len = d_len - offsetof(struct ieee80211_mgmt,
882 						 u.beacon.variable);
883 		wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
884 		wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf);
885 		wil_dbg_wmi(wil, "Beacon interval : %d\n", bi);
886 		wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf,
887 				 ie_len, true);
888 
889 		wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);
890 
891 		bss = cfg80211_inform_bss_frame_data(wiphy, &bss_data,
892 						     rx_mgmt_frame,
893 						     d_len, GFP_KERNEL);
894 		if (bss) {
895 			wil_dbg_wmi(wil, "Added BSS %pM\n",
896 				    rx_mgmt_frame->bssid);
897 			cfg80211_put_bss(wiphy, bss);
898 		} else {
899 			wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
900 		}
901 	} else {
902 		mutex_lock(&wil->vif_mutex);
903 		cfg80211_rx_mgmt(vif_to_radio_wdev(wil, vif), freq, signal,
904 				 (void *)rx_mgmt_frame, d_len, 0);
905 		mutex_unlock(&wil->vif_mutex);
906 	}
907 }
908 
wmi_evt_tx_mgmt(struct wil6210_vif * vif,int id,void * d,int len)909 static void wmi_evt_tx_mgmt(struct wil6210_vif *vif, int id, void *d, int len)
910 {
911 	struct wmi_tx_mgmt_packet_event *data = d;
912 	struct ieee80211_mgmt *mgmt_frame =
913 			(struct ieee80211_mgmt *)data->payload;
914 	int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload);
915 
916 	wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame,
917 			 flen, true);
918 }
919 
wmi_evt_scan_complete(struct wil6210_vif * vif,int id,void * d,int len)920 static void wmi_evt_scan_complete(struct wil6210_vif *vif, int id,
921 				  void *d, int len)
922 {
923 	struct wil6210_priv *wil = vif_to_wil(vif);
924 
925 	mutex_lock(&wil->vif_mutex);
926 	if (vif->scan_request) {
927 		struct wmi_scan_complete_event *data = d;
928 		int status = le32_to_cpu(data->status);
929 		struct cfg80211_scan_info info = {
930 			.aborted = ((status != WMI_SCAN_SUCCESS) &&
931 				(status != WMI_SCAN_ABORT_REJECTED)),
932 		};
933 
934 		wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", status);
935 		wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n",
936 			     vif->scan_request, info.aborted);
937 		del_timer_sync(&vif->scan_timer);
938 		cfg80211_scan_done(vif->scan_request, &info);
939 		if (vif->mid == 0)
940 			wil->radio_wdev = wil->main_ndev->ieee80211_ptr;
941 		vif->scan_request = NULL;
942 		wake_up_interruptible(&wil->wq);
943 		if (vif->p2p.pending_listen_wdev) {
944 			wil_dbg_misc(wil, "Scheduling delayed listen\n");
945 			schedule_work(&vif->p2p.delayed_listen_work);
946 		}
947 	} else {
948 		wil_err(wil, "SCAN_COMPLETE while not scanning\n");
949 	}
950 	mutex_unlock(&wil->vif_mutex);
951 }
952 
wmi_evt_connect(struct wil6210_vif * vif,int id,void * d,int len)953 static void wmi_evt_connect(struct wil6210_vif *vif, int id, void *d, int len)
954 {
955 	struct wil6210_priv *wil = vif_to_wil(vif);
956 	struct net_device *ndev = vif_to_ndev(vif);
957 	struct wireless_dev *wdev = vif_to_wdev(vif);
958 	struct wmi_connect_event *evt = d;
959 	int ch; /* channel number */
960 	struct station_info *sinfo;
961 	u8 *assoc_req_ie, *assoc_resp_ie;
962 	size_t assoc_req_ielen, assoc_resp_ielen;
963 	/* capinfo(u16) + listen_interval(u16) + IEs */
964 	const size_t assoc_req_ie_offset = sizeof(u16) * 2;
965 	/* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
966 	const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
967 	int rc;
968 
969 	if (len < sizeof(*evt)) {
970 		wil_err(wil, "Connect event too short : %d bytes\n", len);
971 		return;
972 	}
973 	if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len +
974 		   evt->assoc_resp_len) {
975 		wil_err(wil,
976 			"Connect event corrupted : %d != %d + %d + %d + %d\n",
977 			len, (int)sizeof(*evt), evt->beacon_ie_len,
978 			evt->assoc_req_len, evt->assoc_resp_len);
979 		return;
980 	}
981 	if (evt->cid >= wil->max_assoc_sta) {
982 		wil_err(wil, "Connect CID invalid : %d\n", evt->cid);
983 		return;
984 	}
985 
986 	ch = evt->channel + 1;
987 	wil_info(wil, "Connect %pM channel [%d] cid %d aid %d\n",
988 		 evt->bssid, ch, evt->cid, evt->aid);
989 	wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1,
990 			 evt->assoc_info, len - sizeof(*evt), true);
991 
992 	/* figure out IE's */
993 	assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len +
994 					assoc_req_ie_offset];
995 	assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset;
996 	if (evt->assoc_req_len <= assoc_req_ie_offset) {
997 		assoc_req_ie = NULL;
998 		assoc_req_ielen = 0;
999 	}
1000 
1001 	assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len +
1002 					 evt->assoc_req_len +
1003 					 assoc_resp_ie_offset];
1004 	assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset;
1005 	if (evt->assoc_resp_len <= assoc_resp_ie_offset) {
1006 		assoc_resp_ie = NULL;
1007 		assoc_resp_ielen = 0;
1008 	}
1009 
1010 	if (test_bit(wil_status_resetting, wil->status) ||
1011 	    !test_bit(wil_status_fwready, wil->status)) {
1012 		wil_err(wil, "status_resetting, cancel connect event, CID %d\n",
1013 			evt->cid);
1014 		/* no need for cleanup, wil_reset will do that */
1015 		return;
1016 	}
1017 
1018 	mutex_lock(&wil->mutex);
1019 
1020 	if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
1021 	    (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
1022 		if (!test_bit(wil_vif_fwconnecting, vif->status)) {
1023 			wil_err(wil, "Not in connecting state\n");
1024 			mutex_unlock(&wil->mutex);
1025 			return;
1026 		}
1027 		del_timer_sync(&vif->connect_timer);
1028 	} else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
1029 		   (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
1030 		if (wil->sta[evt->cid].status != wil_sta_unused) {
1031 			wil_err(wil, "AP: Invalid status %d for CID %d\n",
1032 				wil->sta[evt->cid].status, evt->cid);
1033 			mutex_unlock(&wil->mutex);
1034 			return;
1035 		}
1036 	}
1037 
1038 	ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid);
1039 	wil->sta[evt->cid].mid = vif->mid;
1040 	wil->sta[evt->cid].status = wil_sta_conn_pending;
1041 
1042 	rc = wil_ring_init_tx(vif, evt->cid);
1043 	if (rc) {
1044 		wil_err(wil, "config tx vring failed for CID %d, rc (%d)\n",
1045 			evt->cid, rc);
1046 		wmi_disconnect_sta(vif, wil->sta[evt->cid].addr,
1047 				   WLAN_REASON_UNSPECIFIED, false);
1048 	} else {
1049 		wil_info(wil, "successful connection to CID %d\n", evt->cid);
1050 	}
1051 
1052 	if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
1053 	    (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
1054 		if (rc) {
1055 			netif_carrier_off(ndev);
1056 			wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS);
1057 			wil_err(wil, "cfg80211_connect_result with failure\n");
1058 			cfg80211_connect_result(ndev, evt->bssid, NULL, 0,
1059 						NULL, 0,
1060 						WLAN_STATUS_UNSPECIFIED_FAILURE,
1061 						GFP_KERNEL);
1062 			goto out;
1063 		} else {
1064 			struct wiphy *wiphy = wil_to_wiphy(wil);
1065 
1066 			cfg80211_ref_bss(wiphy, vif->bss);
1067 			cfg80211_connect_bss(ndev, evt->bssid, vif->bss,
1068 					     assoc_req_ie, assoc_req_ielen,
1069 					     assoc_resp_ie, assoc_resp_ielen,
1070 					     WLAN_STATUS_SUCCESS, GFP_KERNEL,
1071 					     NL80211_TIMEOUT_UNSPECIFIED);
1072 		}
1073 		vif->bss = NULL;
1074 	} else if ((wdev->iftype == NL80211_IFTYPE_AP) ||
1075 		   (wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
1076 
1077 		if (rc) {
1078 			if (disable_ap_sme)
1079 				/* notify new_sta has failed */
1080 				cfg80211_del_sta(ndev, evt->bssid, GFP_KERNEL);
1081 			goto out;
1082 		}
1083 
1084 		sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
1085 		if (!sinfo) {
1086 			rc = -ENOMEM;
1087 			goto out;
1088 		}
1089 
1090 		sinfo->generation = wil->sinfo_gen++;
1091 
1092 		if (assoc_req_ie) {
1093 			sinfo->assoc_req_ies = assoc_req_ie;
1094 			sinfo->assoc_req_ies_len = assoc_req_ielen;
1095 		}
1096 
1097 		cfg80211_new_sta(ndev, evt->bssid, sinfo, GFP_KERNEL);
1098 
1099 		kfree(sinfo);
1100 	} else {
1101 		wil_err(wil, "unhandled iftype %d for CID %d\n", wdev->iftype,
1102 			evt->cid);
1103 		goto out;
1104 	}
1105 
1106 	wil->sta[evt->cid].status = wil_sta_connected;
1107 	wil->sta[evt->cid].aid = evt->aid;
1108 	if (!test_and_set_bit(wil_vif_fwconnected, vif->status))
1109 		atomic_inc(&wil->connected_vifs);
1110 	wil_update_net_queues_bh(wil, vif, NULL, false);
1111 
1112 out:
1113 	if (rc) {
1114 		wil->sta[evt->cid].status = wil_sta_unused;
1115 		wil->sta[evt->cid].mid = U8_MAX;
1116 	}
1117 	clear_bit(wil_vif_fwconnecting, vif->status);
1118 	mutex_unlock(&wil->mutex);
1119 }
1120 
wmi_evt_disconnect(struct wil6210_vif * vif,int id,void * d,int len)1121 static void wmi_evt_disconnect(struct wil6210_vif *vif, int id,
1122 			       void *d, int len)
1123 {
1124 	struct wil6210_priv *wil = vif_to_wil(vif);
1125 	struct wmi_disconnect_event *evt = d;
1126 	u16 reason_code = le16_to_cpu(evt->protocol_reason_status);
1127 
1128 	wil_info(wil, "Disconnect %pM reason [proto %d wmi %d]\n",
1129 		 evt->bssid, reason_code, evt->disconnect_reason);
1130 
1131 	wil->sinfo_gen++;
1132 
1133 	if (test_bit(wil_status_resetting, wil->status) ||
1134 	    !test_bit(wil_status_fwready, wil->status)) {
1135 		wil_err(wil, "status_resetting, cancel disconnect event\n");
1136 		/* no need for cleanup, wil_reset will do that */
1137 		return;
1138 	}
1139 
1140 	mutex_lock(&wil->mutex);
1141 	wil6210_disconnect_complete(vif, evt->bssid, reason_code);
1142 	if (disable_ap_sme) {
1143 		struct wireless_dev *wdev = vif_to_wdev(vif);
1144 		struct net_device *ndev = vif_to_ndev(vif);
1145 
1146 		/* disconnect event in disable_ap_sme mode means link loss */
1147 		switch (wdev->iftype) {
1148 		/* AP-like interface */
1149 		case NL80211_IFTYPE_AP:
1150 		case NL80211_IFTYPE_P2P_GO:
1151 			/* notify hostapd about link loss */
1152 			cfg80211_cqm_pktloss_notify(ndev, evt->bssid, 0,
1153 						    GFP_KERNEL);
1154 			break;
1155 		default:
1156 			break;
1157 		}
1158 	}
1159 	mutex_unlock(&wil->mutex);
1160 }
1161 
1162 /*
1163  * Firmware reports EAPOL frame using WME event.
1164  * Reconstruct Ethernet frame and deliver it via normal Rx
1165  */
wmi_evt_eapol_rx(struct wil6210_vif * vif,int id,void * d,int len)1166 static void wmi_evt_eapol_rx(struct wil6210_vif *vif, int id, void *d, int len)
1167 {
1168 	struct wil6210_priv *wil = vif_to_wil(vif);
1169 	struct net_device *ndev = vif_to_ndev(vif);
1170 	struct wmi_eapol_rx_event *evt = d;
1171 	u16 eapol_len = le16_to_cpu(evt->eapol_len);
1172 	int sz = eapol_len + ETH_HLEN;
1173 	struct sk_buff *skb;
1174 	struct ethhdr *eth;
1175 	int cid;
1176 	struct wil_net_stats *stats = NULL;
1177 
1178 	wil_dbg_wmi(wil, "EAPOL len %d from %pM MID %d\n", eapol_len,
1179 		    evt->src_mac, vif->mid);
1180 
1181 	cid = wil_find_cid(wil, vif->mid, evt->src_mac);
1182 	if (cid >= 0)
1183 		stats = &wil->sta[cid].stats;
1184 
1185 	if (eapol_len > 196) { /* TODO: revisit size limit */
1186 		wil_err(wil, "EAPOL too large\n");
1187 		return;
1188 	}
1189 
1190 	skb = alloc_skb(sz, GFP_KERNEL);
1191 	if (!skb) {
1192 		wil_err(wil, "Failed to allocate skb\n");
1193 		return;
1194 	}
1195 
1196 	eth = skb_put(skb, ETH_HLEN);
1197 	ether_addr_copy(eth->h_dest, ndev->dev_addr);
1198 	ether_addr_copy(eth->h_source, evt->src_mac);
1199 	eth->h_proto = cpu_to_be16(ETH_P_PAE);
1200 	skb_put_data(skb, evt->eapol, eapol_len);
1201 	skb->protocol = eth_type_trans(skb, ndev);
1202 	if (likely(netif_rx_ni(skb) == NET_RX_SUCCESS)) {
1203 		ndev->stats.rx_packets++;
1204 		ndev->stats.rx_bytes += sz;
1205 		if (stats) {
1206 			stats->rx_packets++;
1207 			stats->rx_bytes += sz;
1208 		}
1209 	} else {
1210 		ndev->stats.rx_dropped++;
1211 		if (stats)
1212 			stats->rx_dropped++;
1213 	}
1214 }
1215 
wmi_evt_ring_en(struct wil6210_vif * vif,int id,void * d,int len)1216 static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len)
1217 {
1218 	struct wil6210_priv *wil = vif_to_wil(vif);
1219 	struct wmi_ring_en_event *evt = d;
1220 	u8 vri = evt->ring_index;
1221 	struct wireless_dev *wdev = vif_to_wdev(vif);
1222 	struct wil_sta_info *sta;
1223 	u8 cid;
1224 	struct key_params params;
1225 
1226 	wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid);
1227 
1228 	if (vri >= ARRAY_SIZE(wil->ring_tx)) {
1229 		wil_err(wil, "Enable for invalid vring %d\n", vri);
1230 		return;
1231 	}
1232 
1233 	if (wdev->iftype != NL80211_IFTYPE_AP || !disable_ap_sme ||
1234 	    test_bit(wil_vif_ft_roam, vif->status))
1235 		/* in AP mode with disable_ap_sme that is not FT,
1236 		 * this is done by wil_cfg80211_change_station()
1237 		 */
1238 		wil->ring_tx_data[vri].dot1x_open = true;
1239 	if (vri == vif->bcast_ring) /* no BA for bcast */
1240 		return;
1241 
1242 	cid = wil->ring2cid_tid[vri][0];
1243 	if (!wil_cid_valid(wil, cid)) {
1244 		wil_err(wil, "invalid cid %d for vring %d\n", cid, vri);
1245 		return;
1246 	}
1247 
1248 	/* In FT mode we get key but not store it as it is received
1249 	 * before WMI_CONNECT_EVENT received from FW.
1250 	 * wil_set_crypto_rx is called here to reset the security PN
1251 	 */
1252 	sta = &wil->sta[cid];
1253 	if (test_bit(wil_vif_ft_roam, vif->status)) {
1254 		memset(&params, 0, sizeof(params));
1255 		wil_set_crypto_rx(0, WMI_KEY_USE_PAIRWISE, sta, &params);
1256 		if (wdev->iftype != NL80211_IFTYPE_AP)
1257 			clear_bit(wil_vif_ft_roam, vif->status);
1258 	}
1259 
1260 	if (agg_wsize >= 0)
1261 		wil_addba_tx_request(wil, vri, agg_wsize);
1262 }
1263 
wmi_evt_ba_status(struct wil6210_vif * vif,int id,void * d,int len)1264 static void wmi_evt_ba_status(struct wil6210_vif *vif, int id,
1265 			      void *d, int len)
1266 {
1267 	struct wil6210_priv *wil = vif_to_wil(vif);
1268 	struct wmi_ba_status_event *evt = d;
1269 	struct wil_ring_tx_data *txdata;
1270 
1271 	wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n",
1272 		    evt->ringid,
1273 		    evt->status == WMI_BA_AGREED ? "OK" : "N/A",
1274 		    evt->agg_wsize, __le16_to_cpu(evt->ba_timeout),
1275 		    evt->amsdu ? "+" : "-");
1276 
1277 	if (evt->ringid >= WIL6210_MAX_TX_RINGS) {
1278 		wil_err(wil, "invalid ring id %d\n", evt->ringid);
1279 		return;
1280 	}
1281 
1282 	if (evt->status != WMI_BA_AGREED) {
1283 		evt->ba_timeout = 0;
1284 		evt->agg_wsize = 0;
1285 		evt->amsdu = 0;
1286 	}
1287 
1288 	txdata = &wil->ring_tx_data[evt->ringid];
1289 
1290 	txdata->agg_timeout = le16_to_cpu(evt->ba_timeout);
1291 	txdata->agg_wsize = evt->agg_wsize;
1292 	txdata->agg_amsdu = evt->amsdu;
1293 	txdata->addba_in_progress = false;
1294 }
1295 
wmi_evt_addba_rx_req(struct wil6210_vif * vif,int id,void * d,int len)1296 static void wmi_evt_addba_rx_req(struct wil6210_vif *vif, int id,
1297 				 void *d, int len)
1298 {
1299 	struct wil6210_priv *wil = vif_to_wil(vif);
1300 	u8 cid, tid;
1301 	struct wmi_rcp_addba_req_event *evt = d;
1302 
1303 	if (evt->cidxtid != CIDXTID_EXTENDED_CID_TID) {
1304 		parse_cidxtid(evt->cidxtid, &cid, &tid);
1305 	} else {
1306 		cid = evt->cid;
1307 		tid = evt->tid;
1308 	}
1309 	wil_addba_rx_request(wil, vif->mid, cid, tid, evt->dialog_token,
1310 			     evt->ba_param_set, evt->ba_timeout,
1311 			     evt->ba_seq_ctrl);
1312 }
1313 
wmi_evt_delba(struct wil6210_vif * vif,int id,void * d,int len)1314 static void wmi_evt_delba(struct wil6210_vif *vif, int id, void *d, int len)
1315 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock)
1316 {
1317 	struct wil6210_priv *wil = vif_to_wil(vif);
1318 	struct wmi_delba_event *evt = d;
1319 	u8 cid, tid;
1320 	u16 reason = __le16_to_cpu(evt->reason);
1321 	struct wil_sta_info *sta;
1322 	struct wil_tid_ampdu_rx *r;
1323 
1324 	might_sleep();
1325 
1326 	if (evt->cidxtid != CIDXTID_EXTENDED_CID_TID) {
1327 		parse_cidxtid(evt->cidxtid, &cid, &tid);
1328 	} else {
1329 		cid = evt->cid;
1330 		tid = evt->tid;
1331 	}
1332 
1333 	if (!wil_cid_valid(wil, cid)) {
1334 		wil_err(wil, "DELBA: Invalid CID %d\n", cid);
1335 		return;
1336 	}
1337 
1338 	wil_dbg_wmi(wil, "DELBA MID %d CID %d TID %d from %s reason %d\n",
1339 		    vif->mid, cid, tid,
1340 		    evt->from_initiator ? "originator" : "recipient",
1341 		    reason);
1342 	if (!evt->from_initiator) {
1343 		int i;
1344 		/* find Tx vring it belongs to */
1345 		for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) {
1346 			if (wil->ring2cid_tid[i][0] == cid &&
1347 			    wil->ring2cid_tid[i][1] == tid) {
1348 				struct wil_ring_tx_data *txdata =
1349 					&wil->ring_tx_data[i];
1350 
1351 				wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i);
1352 				txdata->agg_timeout = 0;
1353 				txdata->agg_wsize = 0;
1354 				txdata->addba_in_progress = false;
1355 
1356 				break; /* max. 1 matching ring */
1357 			}
1358 		}
1359 		if (i >= ARRAY_SIZE(wil->ring2cid_tid))
1360 			wil_err(wil, "DELBA: unable to find Tx vring\n");
1361 		return;
1362 	}
1363 
1364 	sta = &wil->sta[cid];
1365 
1366 	spin_lock_bh(&sta->tid_rx_lock);
1367 
1368 	r = sta->tid_rx[tid];
1369 	sta->tid_rx[tid] = NULL;
1370 	wil_tid_ampdu_rx_free(wil, r);
1371 
1372 	spin_unlock_bh(&sta->tid_rx_lock);
1373 }
1374 
1375 static void
wmi_evt_sched_scan_result(struct wil6210_vif * vif,int id,void * d,int len)1376 wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len)
1377 {
1378 	struct wil6210_priv *wil = vif_to_wil(vif);
1379 	struct wmi_sched_scan_result_event *data = d;
1380 	struct wiphy *wiphy = wil_to_wiphy(wil);
1381 	struct ieee80211_mgmt *rx_mgmt_frame =
1382 		(struct ieee80211_mgmt *)data->payload;
1383 	int flen = len - offsetof(struct wmi_sched_scan_result_event, payload);
1384 	int ch_no;
1385 	u32 freq;
1386 	struct ieee80211_channel *channel;
1387 	s32 signal;
1388 	__le16 fc;
1389 	u32 d_len;
1390 	struct cfg80211_bss *bss;
1391 	struct cfg80211_inform_bss bss_data = {
1392 		.scan_width = NL80211_BSS_CHAN_WIDTH_20,
1393 		.boottime_ns = ktime_to_ns(ktime_get_boottime()),
1394 	};
1395 
1396 	if (flen < 0) {
1397 		wil_err(wil, "sched scan result event too short, len %d\n",
1398 			len);
1399 		return;
1400 	}
1401 
1402 	d_len = le32_to_cpu(data->info.len);
1403 	if (d_len != flen) {
1404 		wil_err(wil,
1405 			"sched scan result length mismatch, d_len %d should be %d\n",
1406 			d_len, flen);
1407 		return;
1408 	}
1409 
1410 	fc = rx_mgmt_frame->frame_control;
1411 	if (!ieee80211_is_probe_resp(fc)) {
1412 		wil_err(wil, "sched scan result invalid frame, fc 0x%04x\n",
1413 			fc);
1414 		return;
1415 	}
1416 
1417 	ch_no = data->info.channel + 1;
1418 	freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ);
1419 	channel = ieee80211_get_channel(wiphy, freq);
1420 	if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities))
1421 		signal = 100 * data->info.rssi;
1422 	else
1423 		signal = data->info.sqi;
1424 
1425 	wil_dbg_wmi(wil, "sched scan result: channel %d MCS %d RSSI %d\n",
1426 		    data->info.channel, data->info.mcs, data->info.rssi);
1427 	wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n",
1428 		    d_len, data->info.qid, data->info.mid, data->info.cid);
1429 	wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame,
1430 			 d_len, true);
1431 
1432 	if (!channel) {
1433 		wil_err(wil, "Frame on unsupported channel\n");
1434 		return;
1435 	}
1436 
1437 	bss_data.signal = signal;
1438 	bss_data.chan = channel;
1439 	bss = cfg80211_inform_bss_frame_data(wiphy, &bss_data, rx_mgmt_frame,
1440 					     d_len, GFP_KERNEL);
1441 	if (bss) {
1442 		wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid);
1443 		cfg80211_put_bss(wiphy, bss);
1444 	} else {
1445 		wil_err(wil, "cfg80211_inform_bss_frame() failed\n");
1446 	}
1447 
1448 	cfg80211_sched_scan_results(wiphy, 0);
1449 }
1450 
wil_link_stats_store_basic(struct wil6210_vif * vif,struct wmi_link_stats_basic * basic)1451 static void wil_link_stats_store_basic(struct wil6210_vif *vif,
1452 				       struct wmi_link_stats_basic *basic)
1453 {
1454 	struct wil6210_priv *wil = vif_to_wil(vif);
1455 	u8 cid = basic->cid;
1456 	struct wil_sta_info *sta;
1457 
1458 	if (cid < 0 || cid >= wil->max_assoc_sta) {
1459 		wil_err(wil, "invalid cid %d\n", cid);
1460 		return;
1461 	}
1462 
1463 	sta = &wil->sta[cid];
1464 	sta->fw_stats_basic = *basic;
1465 }
1466 
wil_link_stats_store_global(struct wil6210_vif * vif,struct wmi_link_stats_global * global)1467 static void wil_link_stats_store_global(struct wil6210_vif *vif,
1468 					struct wmi_link_stats_global *global)
1469 {
1470 	struct wil6210_priv *wil = vif_to_wil(vif);
1471 
1472 	wil->fw_stats_global.stats = *global;
1473 }
1474 
wmi_link_stats_parse(struct wil6210_vif * vif,u64 tsf,bool has_next,void * payload,size_t payload_size)1475 static void wmi_link_stats_parse(struct wil6210_vif *vif, u64 tsf,
1476 				 bool has_next, void *payload,
1477 				 size_t payload_size)
1478 {
1479 	struct wil6210_priv *wil = vif_to_wil(vif);
1480 	size_t hdr_size = sizeof(struct wmi_link_stats_record);
1481 	size_t stats_size, record_size, expected_size;
1482 	struct wmi_link_stats_record *hdr;
1483 
1484 	if (payload_size < hdr_size) {
1485 		wil_err(wil, "link stats wrong event size %zu\n", payload_size);
1486 		return;
1487 	}
1488 
1489 	while (payload_size >= hdr_size) {
1490 		hdr = payload;
1491 		stats_size = le16_to_cpu(hdr->record_size);
1492 		record_size = hdr_size + stats_size;
1493 
1494 		if (payload_size < record_size) {
1495 			wil_err(wil, "link stats payload ended unexpectedly, size %zu < %zu\n",
1496 				payload_size, record_size);
1497 			return;
1498 		}
1499 
1500 		switch (hdr->record_type_id) {
1501 		case WMI_LINK_STATS_TYPE_BASIC:
1502 			expected_size = sizeof(struct wmi_link_stats_basic);
1503 			if (stats_size < expected_size) {
1504 				wil_err(wil, "link stats invalid basic record size %zu < %zu\n",
1505 					stats_size, expected_size);
1506 				return;
1507 			}
1508 			if (vif->fw_stats_ready) {
1509 				/* clean old statistics */
1510 				vif->fw_stats_tsf = 0;
1511 				vif->fw_stats_ready = false;
1512 			}
1513 
1514 			wil_link_stats_store_basic(vif, payload + hdr_size);
1515 
1516 			if (!has_next) {
1517 				vif->fw_stats_tsf = tsf;
1518 				vif->fw_stats_ready = true;
1519 			}
1520 
1521 			break;
1522 		case WMI_LINK_STATS_TYPE_GLOBAL:
1523 			expected_size = sizeof(struct wmi_link_stats_global);
1524 			if (stats_size < sizeof(struct wmi_link_stats_global)) {
1525 				wil_err(wil, "link stats invalid global record size %zu < %zu\n",
1526 					stats_size, expected_size);
1527 				return;
1528 			}
1529 
1530 			if (wil->fw_stats_global.ready) {
1531 				/* clean old statistics */
1532 				wil->fw_stats_global.tsf = 0;
1533 				wil->fw_stats_global.ready = false;
1534 			}
1535 
1536 			wil_link_stats_store_global(vif, payload + hdr_size);
1537 
1538 			if (!has_next) {
1539 				wil->fw_stats_global.tsf = tsf;
1540 				wil->fw_stats_global.ready = true;
1541 			}
1542 
1543 			break;
1544 		default:
1545 			break;
1546 		}
1547 
1548 		/* skip to next record */
1549 		payload += record_size;
1550 		payload_size -= record_size;
1551 	}
1552 }
1553 
1554 static void
wmi_evt_link_stats(struct wil6210_vif * vif,int id,void * d,int len)1555 wmi_evt_link_stats(struct wil6210_vif *vif, int id, void *d, int len)
1556 {
1557 	struct wil6210_priv *wil = vif_to_wil(vif);
1558 	struct wmi_link_stats_event *evt = d;
1559 	size_t payload_size;
1560 
1561 	if (len < offsetof(struct wmi_link_stats_event, payload)) {
1562 		wil_err(wil, "stats event way too short %d\n", len);
1563 		return;
1564 	}
1565 	payload_size = le16_to_cpu(evt->payload_size);
1566 	if (len < sizeof(struct wmi_link_stats_event) + payload_size) {
1567 		wil_err(wil, "stats event too short %d\n", len);
1568 		return;
1569 	}
1570 
1571 	wmi_link_stats_parse(vif, le64_to_cpu(evt->tsf), evt->has_next,
1572 			     evt->payload, payload_size);
1573 }
1574 
1575 /* find cid and ringid for the station vif
1576  *
1577  * return error, if other interfaces are used or ring was not found
1578  */
wil_find_cid_ringid_sta(struct wil6210_priv * wil,struct wil6210_vif * vif,int * cid,int * ringid)1579 static int wil_find_cid_ringid_sta(struct wil6210_priv *wil,
1580 				   struct wil6210_vif *vif,
1581 				   int *cid,
1582 				   int *ringid)
1583 {
1584 	struct wil_ring *ring;
1585 	struct wil_ring_tx_data *txdata;
1586 	int min_ring_id = wil_get_min_tx_ring_id(wil);
1587 	int i;
1588 	u8 lcid;
1589 
1590 	if (!(vif->wdev.iftype == NL80211_IFTYPE_STATION ||
1591 	      vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) {
1592 		wil_err(wil, "invalid interface type %d\n", vif->wdev.iftype);
1593 		return -EINVAL;
1594 	}
1595 
1596 	/* In the STA mode, it is expected to have only one ring
1597 	 * for the AP we are connected to.
1598 	 * find it and return the cid associated with it.
1599 	 */
1600 	for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) {
1601 		ring = &wil->ring_tx[i];
1602 		txdata = &wil->ring_tx_data[i];
1603 		if (!ring->va || !txdata->enabled || txdata->mid != vif->mid)
1604 			continue;
1605 
1606 		lcid = wil->ring2cid_tid[i][0];
1607 		if (lcid >= wil->max_assoc_sta) /* skip BCAST */
1608 			continue;
1609 
1610 		wil_dbg_wmi(wil, "find sta -> ringid %d cid %d\n", i, lcid);
1611 		*cid = lcid;
1612 		*ringid = i;
1613 		return 0;
1614 	}
1615 
1616 	wil_dbg_wmi(wil, "find sta cid while no rings active?\n");
1617 
1618 	return -ENOENT;
1619 }
1620 
1621 static void
wmi_evt_auth_status(struct wil6210_vif * vif,int id,void * d,int len)1622 wmi_evt_auth_status(struct wil6210_vif *vif, int id, void *d, int len)
1623 {
1624 	struct wil6210_priv *wil = vif_to_wil(vif);
1625 	struct net_device *ndev = vif_to_ndev(vif);
1626 	struct wmi_ft_auth_status_event *data = d;
1627 	int ie_len = len - offsetof(struct wmi_ft_auth_status_event, ie_info);
1628 	int rc, cid = 0, ringid = 0;
1629 	struct cfg80211_ft_event_params ft;
1630 	u16 d_len;
1631 	/* auth_alg(u16) + auth_transaction(u16) + status_code(u16) */
1632 	const size_t auth_ie_offset = sizeof(u16) * 3;
1633 	struct auth_no_hdr *auth = (struct auth_no_hdr *)data->ie_info;
1634 
1635 	/* check the status */
1636 	if (ie_len >= 0 && data->status != WMI_FW_STATUS_SUCCESS) {
1637 		wil_err(wil, "FT: auth failed. status %d\n", data->status);
1638 		goto fail;
1639 	}
1640 
1641 	if (ie_len < auth_ie_offset) {
1642 		wil_err(wil, "FT: auth event too short, len %d\n", len);
1643 		goto fail;
1644 	}
1645 
1646 	d_len = le16_to_cpu(data->ie_len);
1647 	if (d_len != ie_len) {
1648 		wil_err(wil,
1649 			"FT: auth ie length mismatch, d_len %d should be %d\n",
1650 			d_len, ie_len);
1651 		goto fail;
1652 	}
1653 
1654 	if (!test_bit(wil_vif_ft_roam, wil->status)) {
1655 		wil_err(wil, "FT: Not in roaming state\n");
1656 		goto fail;
1657 	}
1658 
1659 	if (le16_to_cpu(auth->auth_transaction) != 2) {
1660 		wil_err(wil, "FT: auth error. auth_transaction %d\n",
1661 			le16_to_cpu(auth->auth_transaction));
1662 		goto fail;
1663 	}
1664 
1665 	if (le16_to_cpu(auth->auth_alg) != WLAN_AUTH_FT) {
1666 		wil_err(wil, "FT: auth error. auth_alg %d\n",
1667 			le16_to_cpu(auth->auth_alg));
1668 		goto fail;
1669 	}
1670 
1671 	wil_dbg_wmi(wil, "FT: Auth to %pM successfully\n", data->mac_addr);
1672 	wil_hex_dump_wmi("FT Auth ies : ", DUMP_PREFIX_OFFSET, 16, 1,
1673 			 data->ie_info, d_len, true);
1674 
1675 	/* find cid and ringid */
1676 	rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid);
1677 	if (rc) {
1678 		wil_err(wil, "No valid cid found\n");
1679 		goto fail;
1680 	}
1681 
1682 	if (vif->privacy) {
1683 		/* For secure assoc, remove old keys */
1684 		rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr,
1685 					WMI_KEY_USE_PAIRWISE);
1686 		if (rc) {
1687 			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n");
1688 			goto fail;
1689 		}
1690 		rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr,
1691 					WMI_KEY_USE_RX_GROUP);
1692 		if (rc) {
1693 			wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n");
1694 			goto fail;
1695 		}
1696 	}
1697 
1698 	memset(&ft, 0, sizeof(ft));
1699 	ft.ies = data->ie_info + auth_ie_offset;
1700 	ft.ies_len = d_len - auth_ie_offset;
1701 	ft.target_ap = data->mac_addr;
1702 	cfg80211_ft_event(ndev, &ft);
1703 
1704 	return;
1705 
1706 fail:
1707 	wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID);
1708 }
1709 
1710 static void
wmi_evt_reassoc_status(struct wil6210_vif * vif,int id,void * d,int len)1711 wmi_evt_reassoc_status(struct wil6210_vif *vif, int id, void *d, int len)
1712 {
1713 	struct wil6210_priv *wil = vif_to_wil(vif);
1714 	struct net_device *ndev = vif_to_ndev(vif);
1715 	struct wiphy *wiphy = wil_to_wiphy(wil);
1716 	struct wmi_ft_reassoc_status_event *data = d;
1717 	int ies_len = len - offsetof(struct wmi_ft_reassoc_status_event,
1718 				     ie_info);
1719 	int rc = -ENOENT, cid = 0, ringid = 0;
1720 	int ch; /* channel number (primary) */
1721 	size_t assoc_req_ie_len = 0, assoc_resp_ie_len = 0;
1722 	u8 *assoc_req_ie = NULL, *assoc_resp_ie = NULL;
1723 	/* capinfo(u16) + listen_interval(u16) + current_ap mac addr + IEs */
1724 	const size_t assoc_req_ie_offset = sizeof(u16) * 2 + ETH_ALEN;
1725 	/* capinfo(u16) + status_code(u16) + associd(u16) + IEs */
1726 	const size_t assoc_resp_ie_offset = sizeof(u16) * 3;
1727 	u16 d_len;
1728 	int freq;
1729 	struct cfg80211_roam_info info;
1730 
1731 	if (ies_len < 0) {
1732 		wil_err(wil, "ft reassoc event too short, len %d\n", len);
1733 		goto fail;
1734 	}
1735 
1736 	wil_dbg_wmi(wil, "Reasoc Status event: status=%d, aid=%d",
1737 		    data->status, data->aid);
1738 	wil_dbg_wmi(wil, "    mac_addr=%pM, beacon_ie_len=%d",
1739 		    data->mac_addr, data->beacon_ie_len);
1740 	wil_dbg_wmi(wil, "    reassoc_req_ie_len=%d, reassoc_resp_ie_len=%d",
1741 		    le16_to_cpu(data->reassoc_req_ie_len),
1742 		    le16_to_cpu(data->reassoc_resp_ie_len));
1743 
1744 	d_len = le16_to_cpu(data->beacon_ie_len) +
1745 		le16_to_cpu(data->reassoc_req_ie_len) +
1746 		le16_to_cpu(data->reassoc_resp_ie_len);
1747 	if (d_len != ies_len) {
1748 		wil_err(wil,
1749 			"ft reassoc ie length mismatch, d_len %d should be %d\n",
1750 			d_len, ies_len);
1751 		goto fail;
1752 	}
1753 
1754 	/* check the status */
1755 	if (data->status != WMI_FW_STATUS_SUCCESS) {
1756 		wil_err(wil, "ft reassoc failed. status %d\n", data->status);
1757 		goto fail;
1758 	}
1759 
1760 	/* find cid and ringid */
1761 	rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid);
1762 	if (rc) {
1763 		wil_err(wil, "No valid cid found\n");
1764 		goto fail;
1765 	}
1766 
1767 	ch = data->channel + 1;
1768 	wil_info(wil, "FT: Roam %pM channel [%d] cid %d aid %d\n",
1769 		 data->mac_addr, ch, cid, data->aid);
1770 
1771 	wil_hex_dump_wmi("reassoc AI : ", DUMP_PREFIX_OFFSET, 16, 1,
1772 			 data->ie_info, len - sizeof(*data), true);
1773 
1774 	/* figure out IE's */
1775 	if (le16_to_cpu(data->reassoc_req_ie_len) > assoc_req_ie_offset) {
1776 		assoc_req_ie = &data->ie_info[assoc_req_ie_offset];
1777 		assoc_req_ie_len = le16_to_cpu(data->reassoc_req_ie_len) -
1778 			assoc_req_ie_offset;
1779 	}
1780 	if (le16_to_cpu(data->reassoc_resp_ie_len) <= assoc_resp_ie_offset) {
1781 		wil_err(wil, "FT: reassoc resp ie len is too short, len %d\n",
1782 			le16_to_cpu(data->reassoc_resp_ie_len));
1783 		goto fail;
1784 	}
1785 
1786 	assoc_resp_ie = &data->ie_info[le16_to_cpu(data->reassoc_req_ie_len) +
1787 		assoc_resp_ie_offset];
1788 	assoc_resp_ie_len = le16_to_cpu(data->reassoc_resp_ie_len) -
1789 		assoc_resp_ie_offset;
1790 
1791 	if (test_bit(wil_status_resetting, wil->status) ||
1792 	    !test_bit(wil_status_fwready, wil->status)) {
1793 		wil_err(wil, "FT: status_resetting, cancel reassoc event\n");
1794 		/* no need for cleanup, wil_reset will do that */
1795 		return;
1796 	}
1797 
1798 	mutex_lock(&wil->mutex);
1799 
1800 	/* ring modify to set the ring for the roamed AP settings */
1801 	wil_dbg_wmi(wil,
1802 		    "ft modify tx config for connection CID %d ring %d\n",
1803 		    cid, ringid);
1804 
1805 	rc = wil->txrx_ops.tx_ring_modify(vif, ringid, cid, 0);
1806 	if (rc) {
1807 		wil_err(wil, "modify TX for CID %d MID %d ring %d failed (%d)\n",
1808 			cid, vif->mid, ringid, rc);
1809 		mutex_unlock(&wil->mutex);
1810 		goto fail;
1811 	}
1812 
1813 	/* Update the driver STA members with the new bss */
1814 	wil->sta[cid].aid = data->aid;
1815 	wil->sta[cid].stats.ft_roams++;
1816 	ether_addr_copy(wil->sta[cid].addr, vif->bss->bssid);
1817 	mutex_unlock(&wil->mutex);
1818 	del_timer_sync(&vif->connect_timer);
1819 
1820 	cfg80211_ref_bss(wiphy, vif->bss);
1821 	freq = ieee80211_channel_to_frequency(ch, NL80211_BAND_60GHZ);
1822 
1823 	memset(&info, 0, sizeof(info));
1824 	info.channel = ieee80211_get_channel(wiphy, freq);
1825 	info.bss = vif->bss;
1826 	info.req_ie = assoc_req_ie;
1827 	info.req_ie_len = assoc_req_ie_len;
1828 	info.resp_ie = assoc_resp_ie;
1829 	info.resp_ie_len = assoc_resp_ie_len;
1830 	cfg80211_roamed(ndev, &info, GFP_KERNEL);
1831 	vif->bss = NULL;
1832 
1833 	return;
1834 
1835 fail:
1836 	wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID);
1837 }
1838 
1839 static void
wmi_evt_link_monitor(struct wil6210_vif * vif,int id,void * d,int len)1840 wmi_evt_link_monitor(struct wil6210_vif *vif, int id, void *d, int len)
1841 {
1842 	struct wil6210_priv *wil = vif_to_wil(vif);
1843 	struct net_device *ndev = vif_to_ndev(vif);
1844 	struct wmi_link_monitor_event *evt = d;
1845 	enum nl80211_cqm_rssi_threshold_event event_type;
1846 
1847 	if (len < sizeof(*evt)) {
1848 		wil_err(wil, "link monitor event too short %d\n", len);
1849 		return;
1850 	}
1851 
1852 	wil_dbg_wmi(wil, "link monitor event, type %d rssi %d (stored %d)\n",
1853 		    evt->type, evt->rssi_level, wil->cqm_rssi_thold);
1854 
1855 	if (evt->type != WMI_LINK_MONITOR_NOTIF_RSSI_THRESHOLD_EVT)
1856 		/* ignore */
1857 		return;
1858 
1859 	event_type = (evt->rssi_level > wil->cqm_rssi_thold ?
1860 		      NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH :
1861 		      NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW);
1862 	cfg80211_cqm_rssi_notify(ndev, event_type, evt->rssi_level, GFP_KERNEL);
1863 }
1864 
1865 /* Some events are ignored for purpose; and need not be interpreted as
1866  * "unhandled events"
1867  */
wmi_evt_ignore(struct wil6210_vif * vif,int id,void * d,int len)1868 static void wmi_evt_ignore(struct wil6210_vif *vif, int id, void *d, int len)
1869 {
1870 	struct wil6210_priv *wil = vif_to_wil(vif);
1871 
1872 	wil_dbg_wmi(wil, "Ignore event 0x%04x len %d\n", id, len);
1873 }
1874 
1875 static const struct {
1876 	int eventid;
1877 	void (*handler)(struct wil6210_vif *vif,
1878 			int eventid, void *data, int data_len);
1879 } wmi_evt_handlers[] = {
1880 	{WMI_READY_EVENTID,		wmi_evt_ready},
1881 	{WMI_FW_READY_EVENTID,			wmi_evt_ignore},
1882 	{WMI_RX_MGMT_PACKET_EVENTID,	wmi_evt_rx_mgmt},
1883 	{WMI_TX_MGMT_PACKET_EVENTID,		wmi_evt_tx_mgmt},
1884 	{WMI_SCAN_COMPLETE_EVENTID,	wmi_evt_scan_complete},
1885 	{WMI_CONNECT_EVENTID,		wmi_evt_connect},
1886 	{WMI_DISCONNECT_EVENTID,	wmi_evt_disconnect},
1887 	{WMI_EAPOL_RX_EVENTID,		wmi_evt_eapol_rx},
1888 	{WMI_BA_STATUS_EVENTID,		wmi_evt_ba_status},
1889 	{WMI_RCP_ADDBA_REQ_EVENTID,	wmi_evt_addba_rx_req},
1890 	{WMI_DELBA_EVENTID,		wmi_evt_delba},
1891 	{WMI_RING_EN_EVENTID,		wmi_evt_ring_en},
1892 	{WMI_DATA_PORT_OPEN_EVENTID,		wmi_evt_ignore},
1893 	{WMI_SCHED_SCAN_RESULT_EVENTID,		wmi_evt_sched_scan_result},
1894 	{WMI_LINK_STATS_EVENTID,		wmi_evt_link_stats},
1895 	{WMI_FT_AUTH_STATUS_EVENTID,		wmi_evt_auth_status},
1896 	{WMI_FT_REASSOC_STATUS_EVENTID,		wmi_evt_reassoc_status},
1897 	{WMI_LINK_MONITOR_EVENTID,		wmi_evt_link_monitor},
1898 };
1899 
1900 /*
1901  * Run in IRQ context
1902  * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev
1903  * that will be eventually handled by the @wmi_event_worker in the thread
1904  * context of thread "wil6210_wmi"
1905  */
wmi_recv_cmd(struct wil6210_priv * wil)1906 void wmi_recv_cmd(struct wil6210_priv *wil)
1907 {
1908 	struct wil6210_mbox_ring_desc d_tail;
1909 	struct wil6210_mbox_hdr hdr;
1910 	struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
1911 	struct pending_wmi_event *evt;
1912 	u8 *cmd;
1913 	void __iomem *src;
1914 	ulong flags;
1915 	unsigned n;
1916 	unsigned int num_immed_reply = 0;
1917 
1918 	if (!test_bit(wil_status_mbox_ready, wil->status)) {
1919 		wil_err(wil, "Reset in progress. Cannot handle WMI event\n");
1920 		return;
1921 	}
1922 
1923 	if (test_bit(wil_status_suspended, wil->status)) {
1924 		wil_err(wil, "suspended. cannot handle WMI event\n");
1925 		return;
1926 	}
1927 
1928 	for (n = 0;; n++) {
1929 		u16 len;
1930 		bool q;
1931 		bool immed_reply = false;
1932 
1933 		r->head = wil_r(wil, RGF_MBOX +
1934 				offsetof(struct wil6210_mbox_ctl, rx.head));
1935 		if (r->tail == r->head)
1936 			break;
1937 
1938 		wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n",
1939 			    r->head, r->tail);
1940 		/* read cmd descriptor from tail */
1941 		wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail),
1942 				     sizeof(struct wil6210_mbox_ring_desc));
1943 		if (d_tail.sync == 0) {
1944 			wil_err(wil, "Mbox evt not owned by FW?\n");
1945 			break;
1946 		}
1947 
1948 		/* read cmd header from descriptor */
1949 		if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) {
1950 			wil_err(wil, "Mbox evt at 0x%08x?\n",
1951 				le32_to_cpu(d_tail.addr));
1952 			break;
1953 		}
1954 		len = le16_to_cpu(hdr.len);
1955 		wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n",
1956 			    le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type),
1957 			    hdr.flags);
1958 
1959 		/* read cmd buffer from descriptor */
1960 		src = wmi_buffer(wil, d_tail.addr) +
1961 		      sizeof(struct wil6210_mbox_hdr);
1962 		evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event,
1963 					     event.wmi) + len, 4),
1964 			      GFP_KERNEL);
1965 		if (!evt)
1966 			break;
1967 
1968 		evt->event.hdr = hdr;
1969 		cmd = (void *)&evt->event.wmi;
1970 		wil_memcpy_fromio_32(cmd, src, len);
1971 		/* mark entry as empty */
1972 		wil_w(wil, r->tail +
1973 		      offsetof(struct wil6210_mbox_ring_desc, sync), 0);
1974 		/* indicate */
1975 		if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) &&
1976 		    (len >= sizeof(struct wmi_cmd_hdr))) {
1977 			struct wmi_cmd_hdr *wmi = &evt->event.wmi;
1978 			u16 id = le16_to_cpu(wmi->command_id);
1979 			u8 mid = wmi->mid;
1980 			u32 tstamp = le32_to_cpu(wmi->fw_timestamp);
1981 			if (test_bit(wil_status_resuming, wil->status)) {
1982 				if (id == WMI_TRAFFIC_RESUME_EVENTID)
1983 					clear_bit(wil_status_resuming,
1984 						  wil->status);
1985 				else
1986 					wil_err(wil,
1987 						"WMI evt %d while resuming\n",
1988 						id);
1989 			}
1990 			spin_lock_irqsave(&wil->wmi_ev_lock, flags);
1991 			if (wil->reply_id && wil->reply_id == id &&
1992 			    wil->reply_mid == mid) {
1993 				if (wil->reply_buf) {
1994 					memcpy(wil->reply_buf, wmi,
1995 					       min(len, wil->reply_size));
1996 					immed_reply = true;
1997 				}
1998 				if (id == WMI_TRAFFIC_SUSPEND_EVENTID) {
1999 					wil_dbg_wmi(wil,
2000 						    "set suspend_resp_rcvd\n");
2001 					wil->suspend_resp_rcvd = true;
2002 				}
2003 			}
2004 			spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2005 
2006 			wil_dbg_wmi(wil, "recv %s (0x%04x) MID %d @%d msec\n",
2007 				    eventid2name(id), id, wmi->mid, tstamp);
2008 			trace_wil6210_wmi_event(wmi, &wmi[1],
2009 						len - sizeof(*wmi));
2010 		}
2011 		wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1,
2012 				 &evt->event.hdr, sizeof(hdr) + len, true);
2013 
2014 		/* advance tail */
2015 		r->tail = r->base + ((r->tail - r->base +
2016 			  sizeof(struct wil6210_mbox_ring_desc)) % r->size);
2017 		wil_w(wil, RGF_MBOX +
2018 		      offsetof(struct wil6210_mbox_ctl, rx.tail), r->tail);
2019 
2020 		if (immed_reply) {
2021 			wil_dbg_wmi(wil, "recv_cmd: Complete WMI 0x%04x\n",
2022 				    wil->reply_id);
2023 			kfree(evt);
2024 			num_immed_reply++;
2025 			complete(&wil->wmi_call);
2026 		} else {
2027 			/* add to the pending list */
2028 			spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2029 			list_add_tail(&evt->list, &wil->pending_wmi_ev);
2030 			spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2031 			q = queue_work(wil->wmi_wq, &wil->wmi_event_worker);
2032 			wil_dbg_wmi(wil, "queue_work -> %d\n", q);
2033 		}
2034 	}
2035 	/* normally, 1 event per IRQ should be processed */
2036 	wil_dbg_wmi(wil, "recv_cmd: -> %d events queued, %d completed\n",
2037 		    n - num_immed_reply, num_immed_reply);
2038 }
2039 
wmi_call(struct wil6210_priv * wil,u16 cmdid,u8 mid,void * buf,u16 len,u16 reply_id,void * reply,u16 reply_size,int to_msec)2040 int wmi_call(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len,
2041 	     u16 reply_id, void *reply, u16 reply_size, int to_msec)
2042 {
2043 	int rc;
2044 	unsigned long remain;
2045 	ulong flags;
2046 
2047 	mutex_lock(&wil->wmi_mutex);
2048 
2049 	spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2050 	wil->reply_id = reply_id;
2051 	wil->reply_mid = mid;
2052 	wil->reply_buf = reply;
2053 	wil->reply_size = reply_size;
2054 	reinit_completion(&wil->wmi_call);
2055 	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2056 
2057 	rc = __wmi_send(wil, cmdid, mid, buf, len);
2058 	if (rc)
2059 		goto out;
2060 
2061 	remain = wait_for_completion_timeout(&wil->wmi_call,
2062 					     msecs_to_jiffies(to_msec));
2063 	if (0 == remain) {
2064 		wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n",
2065 			cmdid, reply_id, to_msec);
2066 		rc = -ETIME;
2067 	} else {
2068 		wil_dbg_wmi(wil,
2069 			    "wmi_call(0x%04x->0x%04x) completed in %d msec\n",
2070 			    cmdid, reply_id,
2071 			    to_msec - jiffies_to_msecs(remain));
2072 	}
2073 
2074 out:
2075 	spin_lock_irqsave(&wil->wmi_ev_lock, flags);
2076 	wil->reply_id = 0;
2077 	wil->reply_mid = U8_MAX;
2078 	wil->reply_buf = NULL;
2079 	wil->reply_size = 0;
2080 	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
2081 
2082 	mutex_unlock(&wil->wmi_mutex);
2083 
2084 	return rc;
2085 }
2086 
wmi_echo(struct wil6210_priv * wil)2087 int wmi_echo(struct wil6210_priv *wil)
2088 {
2089 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2090 	struct wmi_echo_cmd cmd = {
2091 		.value = cpu_to_le32(0x12345678),
2092 	};
2093 
2094 	return wmi_call(wil, WMI_ECHO_CMDID, vif->mid, &cmd, sizeof(cmd),
2095 			WMI_ECHO_RSP_EVENTID, NULL, 0,
2096 			WIL_WMI_CALL_GENERAL_TO_MS);
2097 }
2098 
wmi_set_mac_address(struct wil6210_priv * wil,void * addr)2099 int wmi_set_mac_address(struct wil6210_priv *wil, void *addr)
2100 {
2101 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2102 	struct wmi_set_mac_address_cmd cmd;
2103 
2104 	ether_addr_copy(cmd.mac, addr);
2105 
2106 	wil_dbg_wmi(wil, "Set MAC %pM\n", addr);
2107 
2108 	return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, vif->mid,
2109 			&cmd, sizeof(cmd));
2110 }
2111 
wmi_led_cfg(struct wil6210_priv * wil,bool enable)2112 int wmi_led_cfg(struct wil6210_priv *wil, bool enable)
2113 {
2114 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2115 	int rc = 0;
2116 	struct wmi_led_cfg_cmd cmd = {
2117 		.led_mode = enable,
2118 		.id = led_id,
2119 		.slow_blink_cfg.blink_on =
2120 			cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].on_ms),
2121 		.slow_blink_cfg.blink_off =
2122 			cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].off_ms),
2123 		.medium_blink_cfg.blink_on =
2124 			cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].on_ms),
2125 		.medium_blink_cfg.blink_off =
2126 			cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].off_ms),
2127 		.fast_blink_cfg.blink_on =
2128 			cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].on_ms),
2129 		.fast_blink_cfg.blink_off =
2130 			cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].off_ms),
2131 		.led_polarity = led_polarity,
2132 	};
2133 	struct {
2134 		struct wmi_cmd_hdr wmi;
2135 		struct wmi_led_cfg_done_event evt;
2136 	} __packed reply = {
2137 		.evt = {.status = cpu_to_le32(WMI_FW_STATUS_FAILURE)},
2138 	};
2139 
2140 	if (led_id == WIL_LED_INVALID_ID)
2141 		goto out;
2142 
2143 	if (led_id > WIL_LED_MAX_ID) {
2144 		wil_err(wil, "Invalid led id %d\n", led_id);
2145 		rc = -EINVAL;
2146 		goto out;
2147 	}
2148 
2149 	wil_dbg_wmi(wil,
2150 		    "%s led %d\n",
2151 		    enable ? "enabling" : "disabling", led_id);
2152 
2153 	rc = wmi_call(wil, WMI_LED_CFG_CMDID, vif->mid, &cmd, sizeof(cmd),
2154 		      WMI_LED_CFG_DONE_EVENTID, &reply, sizeof(reply),
2155 		      WIL_WMI_CALL_GENERAL_TO_MS);
2156 	if (rc)
2157 		goto out;
2158 
2159 	if (reply.evt.status) {
2160 		wil_err(wil, "led %d cfg failed with status %d\n",
2161 			led_id, le32_to_cpu(reply.evt.status));
2162 		rc = -EINVAL;
2163 	}
2164 
2165 out:
2166 	return rc;
2167 }
2168 
wmi_rbufcap_cfg(struct wil6210_priv * wil,bool enable,u16 threshold)2169 int wmi_rbufcap_cfg(struct wil6210_priv *wil, bool enable, u16 threshold)
2170 {
2171 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2172 	int rc;
2173 
2174 	struct wmi_rbufcap_cfg_cmd cmd = {
2175 		.enable = enable,
2176 		.rx_desc_threshold = cpu_to_le16(threshold),
2177 	};
2178 	struct {
2179 		struct wmi_cmd_hdr wmi;
2180 		struct wmi_rbufcap_cfg_event evt;
2181 	} __packed reply = {
2182 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2183 	};
2184 
2185 	rc = wmi_call(wil, WMI_RBUFCAP_CFG_CMDID, vif->mid, &cmd, sizeof(cmd),
2186 		      WMI_RBUFCAP_CFG_EVENTID, &reply, sizeof(reply),
2187 		      WIL_WMI_CALL_GENERAL_TO_MS);
2188 	if (rc)
2189 		return rc;
2190 
2191 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2192 		wil_err(wil, "RBUFCAP_CFG failed. status %d\n",
2193 			reply.evt.status);
2194 		rc = -EINVAL;
2195 	}
2196 
2197 	return rc;
2198 }
2199 
wmi_pcp_start(struct wil6210_vif * vif,int bi,u8 wmi_nettype,u8 chan,u8 wmi_edmg_chan,u8 hidden_ssid,u8 is_go)2200 int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype,
2201 		  u8 chan, u8 wmi_edmg_chan, u8 hidden_ssid, u8 is_go)
2202 {
2203 	struct wil6210_priv *wil = vif_to_wil(vif);
2204 	int rc;
2205 
2206 	struct wmi_pcp_start_cmd cmd = {
2207 		.bcon_interval = cpu_to_le16(bi),
2208 		.network_type = wmi_nettype,
2209 		.disable_sec_offload = 1,
2210 		.channel = chan - 1,
2211 		.edmg_channel = wmi_edmg_chan,
2212 		.pcp_max_assoc_sta = wil->max_assoc_sta,
2213 		.hidden_ssid = hidden_ssid,
2214 		.is_go = is_go,
2215 		.ap_sme_offload_mode = disable_ap_sme ?
2216 				       WMI_AP_SME_OFFLOAD_PARTIAL :
2217 				       WMI_AP_SME_OFFLOAD_FULL,
2218 		.abft_len = wil->abft_len,
2219 	};
2220 	struct {
2221 		struct wmi_cmd_hdr wmi;
2222 		struct wmi_pcp_started_event evt;
2223 	} __packed reply = {
2224 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2225 	};
2226 
2227 	if (!vif->privacy)
2228 		cmd.disable_sec = 1;
2229 
2230 	if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) ||
2231 	    (cmd.pcp_max_assoc_sta <= 0)) {
2232 		wil_err(wil, "unexpected max_assoc_sta %d\n",
2233 			cmd.pcp_max_assoc_sta);
2234 		return -EOPNOTSUPP;
2235 	}
2236 
2237 	if (disable_ap_sme &&
2238 	    !test_bit(WMI_FW_CAPABILITY_AP_SME_OFFLOAD_PARTIAL,
2239 		      wil->fw_capabilities)) {
2240 		wil_err(wil, "disable_ap_sme not supported by FW\n");
2241 		return -EOPNOTSUPP;
2242 	}
2243 
2244 	/*
2245 	 * Processing time may be huge, in case of secure AP it takes about
2246 	 * 3500ms for FW to start AP
2247 	 */
2248 	rc = wmi_call(wil, WMI_PCP_START_CMDID, vif->mid, &cmd, sizeof(cmd),
2249 		      WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000);
2250 	if (rc)
2251 		return rc;
2252 
2253 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS)
2254 		rc = -EINVAL;
2255 
2256 	if (wmi_nettype != WMI_NETTYPE_P2P)
2257 		/* Don't fail due to error in the led configuration */
2258 		wmi_led_cfg(wil, true);
2259 
2260 	return rc;
2261 }
2262 
wmi_pcp_stop(struct wil6210_vif * vif)2263 int wmi_pcp_stop(struct wil6210_vif *vif)
2264 {
2265 	struct wil6210_priv *wil = vif_to_wil(vif);
2266 	int rc;
2267 
2268 	rc = wmi_led_cfg(wil, false);
2269 	if (rc)
2270 		return rc;
2271 
2272 	return wmi_call(wil, WMI_PCP_STOP_CMDID, vif->mid, NULL, 0,
2273 			WMI_PCP_STOPPED_EVENTID, NULL, 0,
2274 			WIL_WMI_PCP_STOP_TO_MS);
2275 }
2276 
wmi_set_ssid(struct wil6210_vif * vif,u8 ssid_len,const void * ssid)2277 int wmi_set_ssid(struct wil6210_vif *vif, u8 ssid_len, const void *ssid)
2278 {
2279 	struct wil6210_priv *wil = vif_to_wil(vif);
2280 	struct wmi_set_ssid_cmd cmd = {
2281 		.ssid_len = cpu_to_le32(ssid_len),
2282 	};
2283 
2284 	if (ssid_len > sizeof(cmd.ssid))
2285 		return -EINVAL;
2286 
2287 	memcpy(cmd.ssid, ssid, ssid_len);
2288 
2289 	return wmi_send(wil, WMI_SET_SSID_CMDID, vif->mid, &cmd, sizeof(cmd));
2290 }
2291 
wmi_get_ssid(struct wil6210_vif * vif,u8 * ssid_len,void * ssid)2292 int wmi_get_ssid(struct wil6210_vif *vif, u8 *ssid_len, void *ssid)
2293 {
2294 	struct wil6210_priv *wil = vif_to_wil(vif);
2295 	int rc;
2296 	struct {
2297 		struct wmi_cmd_hdr wmi;
2298 		struct wmi_set_ssid_cmd cmd;
2299 	} __packed reply;
2300 	int len; /* reply.cmd.ssid_len in CPU order */
2301 
2302 	memset(&reply, 0, sizeof(reply));
2303 
2304 	rc = wmi_call(wil, WMI_GET_SSID_CMDID, vif->mid, NULL, 0,
2305 		      WMI_GET_SSID_EVENTID, &reply, sizeof(reply),
2306 		      WIL_WMI_CALL_GENERAL_TO_MS);
2307 	if (rc)
2308 		return rc;
2309 
2310 	len = le32_to_cpu(reply.cmd.ssid_len);
2311 	if (len > sizeof(reply.cmd.ssid))
2312 		return -EINVAL;
2313 
2314 	*ssid_len = len;
2315 	memcpy(ssid, reply.cmd.ssid, len);
2316 
2317 	return 0;
2318 }
2319 
wmi_set_channel(struct wil6210_priv * wil,int channel)2320 int wmi_set_channel(struct wil6210_priv *wil, int channel)
2321 {
2322 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2323 	struct wmi_set_pcp_channel_cmd cmd = {
2324 		.channel = channel - 1,
2325 	};
2326 
2327 	return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, vif->mid,
2328 			&cmd, sizeof(cmd));
2329 }
2330 
wmi_get_channel(struct wil6210_priv * wil,int * channel)2331 int wmi_get_channel(struct wil6210_priv *wil, int *channel)
2332 {
2333 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2334 	int rc;
2335 	struct {
2336 		struct wmi_cmd_hdr wmi;
2337 		struct wmi_set_pcp_channel_cmd cmd;
2338 	} __packed reply;
2339 
2340 	memset(&reply, 0, sizeof(reply));
2341 
2342 	rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, vif->mid, NULL, 0,
2343 		      WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply),
2344 		      WIL_WMI_CALL_GENERAL_TO_MS);
2345 	if (rc)
2346 		return rc;
2347 
2348 	if (reply.cmd.channel > 3)
2349 		return -EINVAL;
2350 
2351 	*channel = reply.cmd.channel + 1;
2352 
2353 	return 0;
2354 }
2355 
wmi_p2p_cfg(struct wil6210_vif * vif,int channel,int bi)2356 int wmi_p2p_cfg(struct wil6210_vif *vif, int channel, int bi)
2357 {
2358 	struct wil6210_priv *wil = vif_to_wil(vif);
2359 	int rc;
2360 	struct wmi_p2p_cfg_cmd cmd = {
2361 		.discovery_mode = WMI_DISCOVERY_MODE_PEER2PEER,
2362 		.bcon_interval = cpu_to_le16(bi),
2363 		.channel = channel - 1,
2364 	};
2365 	struct {
2366 		struct wmi_cmd_hdr wmi;
2367 		struct wmi_p2p_cfg_done_event evt;
2368 	} __packed reply = {
2369 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2370 	};
2371 
2372 	wil_dbg_wmi(wil, "sending WMI_P2P_CFG_CMDID\n");
2373 
2374 	rc = wmi_call(wil, WMI_P2P_CFG_CMDID, vif->mid, &cmd, sizeof(cmd),
2375 		      WMI_P2P_CFG_DONE_EVENTID, &reply, sizeof(reply), 300);
2376 	if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2377 		wil_err(wil, "P2P_CFG failed. status %d\n", reply.evt.status);
2378 		rc = -EINVAL;
2379 	}
2380 
2381 	return rc;
2382 }
2383 
wmi_start_listen(struct wil6210_vif * vif)2384 int wmi_start_listen(struct wil6210_vif *vif)
2385 {
2386 	struct wil6210_priv *wil = vif_to_wil(vif);
2387 	int rc;
2388 	struct {
2389 		struct wmi_cmd_hdr wmi;
2390 		struct wmi_listen_started_event evt;
2391 	} __packed reply = {
2392 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2393 	};
2394 
2395 	wil_dbg_wmi(wil, "sending WMI_START_LISTEN_CMDID\n");
2396 
2397 	rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0,
2398 		      WMI_LISTEN_STARTED_EVENTID, &reply, sizeof(reply), 300);
2399 	if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2400 		wil_err(wil, "device failed to start listen. status %d\n",
2401 			reply.evt.status);
2402 		rc = -EINVAL;
2403 	}
2404 
2405 	return rc;
2406 }
2407 
wmi_start_search(struct wil6210_vif * vif)2408 int wmi_start_search(struct wil6210_vif *vif)
2409 {
2410 	struct wil6210_priv *wil = vif_to_wil(vif);
2411 	int rc;
2412 	struct {
2413 		struct wmi_cmd_hdr wmi;
2414 		struct wmi_search_started_event evt;
2415 	} __packed reply = {
2416 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2417 	};
2418 
2419 	wil_dbg_wmi(wil, "sending WMI_START_SEARCH_CMDID\n");
2420 
2421 	rc = wmi_call(wil, WMI_START_SEARCH_CMDID, vif->mid, NULL, 0,
2422 		      WMI_SEARCH_STARTED_EVENTID, &reply, sizeof(reply), 300);
2423 	if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) {
2424 		wil_err(wil, "device failed to start search. status %d\n",
2425 			reply.evt.status);
2426 		rc = -EINVAL;
2427 	}
2428 
2429 	return rc;
2430 }
2431 
wmi_stop_discovery(struct wil6210_vif * vif)2432 int wmi_stop_discovery(struct wil6210_vif *vif)
2433 {
2434 	struct wil6210_priv *wil = vif_to_wil(vif);
2435 	int rc;
2436 
2437 	wil_dbg_wmi(wil, "sending WMI_DISCOVERY_STOP_CMDID\n");
2438 
2439 	rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0,
2440 		      WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0,
2441 		      WIL_WMI_CALL_GENERAL_TO_MS);
2442 
2443 	if (rc)
2444 		wil_err(wil, "Failed to stop discovery\n");
2445 
2446 	return rc;
2447 }
2448 
wmi_del_cipher_key(struct wil6210_vif * vif,u8 key_index,const void * mac_addr,int key_usage)2449 int wmi_del_cipher_key(struct wil6210_vif *vif, u8 key_index,
2450 		       const void *mac_addr, int key_usage)
2451 {
2452 	struct wil6210_priv *wil = vif_to_wil(vif);
2453 	struct wmi_delete_cipher_key_cmd cmd = {
2454 		.key_index = key_index,
2455 	};
2456 
2457 	if (mac_addr)
2458 		memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
2459 
2460 	return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, vif->mid,
2461 			&cmd, sizeof(cmd));
2462 }
2463 
wmi_add_cipher_key(struct wil6210_vif * vif,u8 key_index,const void * mac_addr,int key_len,const void * key,int key_usage)2464 int wmi_add_cipher_key(struct wil6210_vif *vif, u8 key_index,
2465 		       const void *mac_addr, int key_len, const void *key,
2466 		       int key_usage)
2467 {
2468 	struct wil6210_priv *wil = vif_to_wil(vif);
2469 	struct wmi_add_cipher_key_cmd cmd = {
2470 		.key_index = key_index,
2471 		.key_usage = key_usage,
2472 		.key_len = key_len,
2473 	};
2474 
2475 	if (key_len > sizeof(cmd.key))
2476 		return -EINVAL;
2477 
2478 	/* key len = 0 is allowed only for usage of WMI_KEY_USE_APPLY */
2479 	if ((key_len == 0 || !key) &&
2480 	    key_usage != WMI_KEY_USE_APPLY_PTK)
2481 		return -EINVAL;
2482 
2483 	if (key)
2484 		memcpy(cmd.key, key, key_len);
2485 
2486 	if (mac_addr)
2487 		memcpy(cmd.mac, mac_addr, WMI_MAC_LEN);
2488 
2489 	return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, vif->mid,
2490 			&cmd, sizeof(cmd));
2491 }
2492 
wmi_set_ie(struct wil6210_vif * vif,u8 type,u16 ie_len,const void * ie)2493 int wmi_set_ie(struct wil6210_vif *vif, u8 type, u16 ie_len, const void *ie)
2494 {
2495 	struct wil6210_priv *wil = vif_to_wil(vif);
2496 	static const char *const names[] = {
2497 		[WMI_FRAME_BEACON]	= "BEACON",
2498 		[WMI_FRAME_PROBE_REQ]	= "PROBE_REQ",
2499 		[WMI_FRAME_PROBE_RESP]	= "WMI_FRAME_PROBE_RESP",
2500 		[WMI_FRAME_ASSOC_REQ]	= "WMI_FRAME_ASSOC_REQ",
2501 		[WMI_FRAME_ASSOC_RESP]	= "WMI_FRAME_ASSOC_RESP",
2502 	};
2503 	int rc;
2504 	u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len;
2505 	struct wmi_set_appie_cmd *cmd;
2506 
2507 	if (len < ie_len) {
2508 		rc = -EINVAL;
2509 		goto out;
2510 	}
2511 
2512 	cmd = kzalloc(len, GFP_KERNEL);
2513 	if (!cmd) {
2514 		rc = -ENOMEM;
2515 		goto out;
2516 	}
2517 	if (!ie)
2518 		ie_len = 0;
2519 
2520 	cmd->mgmt_frm_type = type;
2521 	/* BUG: FW API define ieLen as u8. Will fix FW */
2522 	cmd->ie_len = cpu_to_le16(ie_len);
2523 	if (ie_len)
2524 		memcpy(cmd->ie_info, ie, ie_len);
2525 	rc = wmi_send(wil, WMI_SET_APPIE_CMDID, vif->mid, cmd, len);
2526 	kfree(cmd);
2527 out:
2528 	if (rc) {
2529 		const char *name = type < ARRAY_SIZE(names) ?
2530 				   names[type] : "??";
2531 		wil_err(wil, "set_ie(%d %s) failed : %d\n", type, name, rc);
2532 	}
2533 
2534 	return rc;
2535 }
2536 
wmi_update_ft_ies(struct wil6210_vif * vif,u16 ie_len,const void * ie)2537 int wmi_update_ft_ies(struct wil6210_vif *vif, u16 ie_len, const void *ie)
2538 {
2539 	struct wil6210_priv *wil = vif_to_wil(vif);
2540 	u16 len;
2541 	struct wmi_update_ft_ies_cmd *cmd;
2542 	int rc;
2543 
2544 	if (!ie)
2545 		ie_len = 0;
2546 
2547 	len = sizeof(struct wmi_update_ft_ies_cmd) + ie_len;
2548 	if (len < ie_len) {
2549 		wil_err(wil, "wraparound. ie len %d\n", ie_len);
2550 		return -EINVAL;
2551 	}
2552 
2553 	cmd = kzalloc(len, GFP_KERNEL);
2554 	if (!cmd) {
2555 		rc = -ENOMEM;
2556 		goto out;
2557 	}
2558 
2559 	cmd->ie_len = cpu_to_le16(ie_len);
2560 	if (ie_len)
2561 		memcpy(cmd->ie_info, ie, ie_len);
2562 	rc = wmi_send(wil, WMI_UPDATE_FT_IES_CMDID, vif->mid, cmd, len);
2563 	kfree(cmd);
2564 
2565 out:
2566 	if (rc)
2567 		wil_err(wil, "update ft ies failed : %d\n", rc);
2568 
2569 	return rc;
2570 }
2571 
2572 /**
2573  * wmi_rxon - turn radio on/off
2574  * @wil:	driver data
2575  * @on:		turn on if true, off otherwise
2576  *
2577  * Only switch radio. Channel should be set separately.
2578  * No timeout for rxon - radio turned on forever unless some other call
2579  * turns it off
2580  */
wmi_rxon(struct wil6210_priv * wil,bool on)2581 int wmi_rxon(struct wil6210_priv *wil, bool on)
2582 {
2583 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2584 	int rc;
2585 	struct {
2586 		struct wmi_cmd_hdr wmi;
2587 		struct wmi_listen_started_event evt;
2588 	} __packed reply = {
2589 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2590 	};
2591 
2592 	wil_info(wil, "(%s)\n", on ? "on" : "off");
2593 
2594 	if (on) {
2595 		rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0,
2596 			      WMI_LISTEN_STARTED_EVENTID,
2597 			      &reply, sizeof(reply),
2598 			      WIL_WMI_CALL_GENERAL_TO_MS);
2599 		if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS))
2600 			rc = -EINVAL;
2601 	} else {
2602 		rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0,
2603 			      WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0,
2604 			      WIL_WMI_CALL_GENERAL_TO_MS);
2605 	}
2606 
2607 	return rc;
2608 }
2609 
wmi_rx_chain_add(struct wil6210_priv * wil,struct wil_ring * vring)2610 int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring)
2611 {
2612 	struct net_device *ndev = wil->main_ndev;
2613 	struct wireless_dev *wdev = ndev->ieee80211_ptr;
2614 	struct wil6210_vif *vif = ndev_to_vif(ndev);
2615 	struct wmi_cfg_rx_chain_cmd cmd = {
2616 		.action = WMI_RX_CHAIN_ADD,
2617 		.rx_sw_ring = {
2618 			.max_mpdu_size = cpu_to_le16(
2619 				wil_mtu2macbuf(wil->rx_buf_len)),
2620 			.ring_mem_base = cpu_to_le64(vring->pa),
2621 			.ring_size = cpu_to_le16(vring->size),
2622 		},
2623 		.mid = 0, /* TODO - what is it? */
2624 		.decap_trans_type = WMI_DECAP_TYPE_802_3,
2625 		.reorder_type = WMI_RX_SW_REORDER,
2626 		.host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
2627 	};
2628 	struct {
2629 		struct wmi_cmd_hdr wmi;
2630 		struct wmi_cfg_rx_chain_done_event evt;
2631 	} __packed evt;
2632 	int rc;
2633 
2634 	memset(&evt, 0, sizeof(evt));
2635 
2636 	if (wdev->iftype == NL80211_IFTYPE_MONITOR) {
2637 		struct ieee80211_channel *ch = wil->monitor_chandef.chan;
2638 
2639 		cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON);
2640 		if (ch)
2641 			cmd.sniffer_cfg.channel = ch->hw_value - 1;
2642 		cmd.sniffer_cfg.phy_info_mode =
2643 			cpu_to_le32(WMI_SNIFFER_PHY_INFO_DISABLED);
2644 		cmd.sniffer_cfg.phy_support =
2645 			cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
2646 				    ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
2647 	} else {
2648 		/* Initialize offload (in non-sniffer mode).
2649 		 * Linux IP stack always calculates IP checksum
2650 		 * HW always calculate TCP/UDP checksum
2651 		 */
2652 		cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS);
2653 	}
2654 
2655 	if (rx_align_2)
2656 		cmd.l2_802_3_offload_ctrl |=
2657 				L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK;
2658 
2659 	/* typical time for secure PCP is 840ms */
2660 	rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, vif->mid, &cmd, sizeof(cmd),
2661 		      WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000);
2662 	if (rc)
2663 		return rc;
2664 
2665 	if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS)
2666 		rc = -EINVAL;
2667 
2668 	vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr);
2669 
2670 	wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n",
2671 		     le32_to_cpu(evt.evt.status), vring->hwtail);
2672 
2673 	return rc;
2674 }
2675 
wmi_get_temperature(struct wil6210_priv * wil,u32 * t_bb,u32 * t_rf)2676 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf)
2677 {
2678 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2679 	int rc;
2680 	struct wmi_temp_sense_cmd cmd = {
2681 		.measure_baseband_en = cpu_to_le32(!!t_bb),
2682 		.measure_rf_en = cpu_to_le32(!!t_rf),
2683 		.measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW),
2684 	};
2685 	struct {
2686 		struct wmi_cmd_hdr wmi;
2687 		struct wmi_temp_sense_done_event evt;
2688 	} __packed reply;
2689 
2690 	memset(&reply, 0, sizeof(reply));
2691 
2692 	rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, vif->mid, &cmd, sizeof(cmd),
2693 		      WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply),
2694 		      WIL_WMI_CALL_GENERAL_TO_MS);
2695 	if (rc)
2696 		return rc;
2697 
2698 	if (t_bb)
2699 		*t_bb = le32_to_cpu(reply.evt.baseband_t1000);
2700 	if (t_rf)
2701 		*t_rf = le32_to_cpu(reply.evt.rf_t1000);
2702 
2703 	return 0;
2704 }
2705 
wmi_get_all_temperatures(struct wil6210_priv * wil,struct wmi_temp_sense_all_done_event * sense_all_evt)2706 int wmi_get_all_temperatures(struct wil6210_priv *wil,
2707 			     struct wmi_temp_sense_all_done_event
2708 			     *sense_all_evt)
2709 {
2710 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2711 	int rc;
2712 	struct wmi_temp_sense_all_cmd cmd = {
2713 		.measure_baseband_en = true,
2714 		.measure_rf_en = true,
2715 		.measure_mode = TEMPERATURE_MEASURE_NOW,
2716 	};
2717 	struct {
2718 		struct wmi_cmd_hdr wmi;
2719 		struct wmi_temp_sense_all_done_event evt;
2720 	} __packed reply;
2721 
2722 	if (!sense_all_evt) {
2723 		wil_err(wil, "Invalid sense_all_evt value\n");
2724 		return -EINVAL;
2725 	}
2726 
2727 	memset(&reply, 0, sizeof(reply));
2728 	reply.evt.status = WMI_FW_STATUS_FAILURE;
2729 	rc = wmi_call(wil, WMI_TEMP_SENSE_ALL_CMDID, vif->mid, &cmd,
2730 		      sizeof(cmd), WMI_TEMP_SENSE_ALL_DONE_EVENTID,
2731 		      &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
2732 	if (rc)
2733 		return rc;
2734 
2735 	if (reply.evt.status == WMI_FW_STATUS_FAILURE) {
2736 		wil_err(wil, "Failed getting TEMP_SENSE_ALL\n");
2737 		return -EINVAL;
2738 	}
2739 
2740 	memcpy(sense_all_evt, &reply.evt, sizeof(reply.evt));
2741 	return 0;
2742 }
2743 
wmi_disconnect_sta(struct wil6210_vif * vif,const u8 * mac,u16 reason,bool del_sta)2744 int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, u16 reason,
2745 		       bool del_sta)
2746 {
2747 	struct wil6210_priv *wil = vif_to_wil(vif);
2748 	int rc;
2749 	struct wmi_disconnect_sta_cmd disc_sta_cmd = {
2750 		.disconnect_reason = cpu_to_le16(reason),
2751 	};
2752 	struct wmi_del_sta_cmd del_sta_cmd = {
2753 		.disconnect_reason = cpu_to_le16(reason),
2754 	};
2755 	struct {
2756 		struct wmi_cmd_hdr wmi;
2757 		struct wmi_disconnect_event evt;
2758 	} __packed reply;
2759 
2760 	wil_dbg_wmi(wil, "disconnect_sta: (%pM, reason %d)\n", mac, reason);
2761 
2762 	memset(&reply, 0, sizeof(reply));
2763 	vif->locally_generated_disc = true;
2764 	if (del_sta) {
2765 		ether_addr_copy(del_sta_cmd.dst_mac, mac);
2766 		rc = wmi_call(wil, WMI_DEL_STA_CMDID, vif->mid, &del_sta_cmd,
2767 			      sizeof(del_sta_cmd), WMI_DISCONNECT_EVENTID,
2768 			      &reply, sizeof(reply), 1000);
2769 	} else {
2770 		ether_addr_copy(disc_sta_cmd.dst_mac, mac);
2771 		rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, vif->mid,
2772 			      &disc_sta_cmd, sizeof(disc_sta_cmd),
2773 			      WMI_DISCONNECT_EVENTID,
2774 			      &reply, sizeof(reply), 1000);
2775 	}
2776 	/* failure to disconnect in reasonable time treated as FW error */
2777 	if (rc) {
2778 		wil_fw_error_recovery(wil);
2779 		return rc;
2780 	}
2781 	wil->sinfo_gen++;
2782 
2783 	return 0;
2784 }
2785 
wmi_addba(struct wil6210_priv * wil,u8 mid,u8 ringid,u8 size,u16 timeout)2786 int wmi_addba(struct wil6210_priv *wil, u8 mid,
2787 	      u8 ringid, u8 size, u16 timeout)
2788 {
2789 	u8 amsdu = wil->use_enhanced_dma_hw && wil->use_rx_hw_reordering &&
2790 		test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) &&
2791 		wil->amsdu_en;
2792 	struct wmi_ring_ba_en_cmd cmd = {
2793 		.ring_id = ringid,
2794 		.agg_max_wsize = size,
2795 		.ba_timeout = cpu_to_le16(timeout),
2796 		.amsdu = amsdu,
2797 	};
2798 
2799 	wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d amsdu %d)\n",
2800 		    ringid, size, timeout, amsdu);
2801 
2802 	return wmi_send(wil, WMI_RING_BA_EN_CMDID, mid, &cmd, sizeof(cmd));
2803 }
2804 
wmi_delba_tx(struct wil6210_priv * wil,u8 mid,u8 ringid,u16 reason)2805 int wmi_delba_tx(struct wil6210_priv *wil, u8 mid, u8 ringid, u16 reason)
2806 {
2807 	struct wmi_ring_ba_dis_cmd cmd = {
2808 		.ring_id = ringid,
2809 		.reason = cpu_to_le16(reason),
2810 	};
2811 
2812 	wil_dbg_wmi(wil, "delba_tx: (ring %d reason %d)\n", ringid, reason);
2813 
2814 	return wmi_send(wil, WMI_RING_BA_DIS_CMDID, mid, &cmd, sizeof(cmd));
2815 }
2816 
wmi_delba_rx(struct wil6210_priv * wil,u8 mid,u8 cid,u8 tid,u16 reason)2817 int wmi_delba_rx(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, u16 reason)
2818 {
2819 	struct wmi_rcp_delba_cmd cmd = {
2820 		.reason = cpu_to_le16(reason),
2821 	};
2822 
2823 	if (cid >= WIL6210_RX_DESC_MAX_CID) {
2824 		cmd.cidxtid = CIDXTID_EXTENDED_CID_TID;
2825 		cmd.cid = cid;
2826 		cmd.tid = tid;
2827 	} else {
2828 		cmd.cidxtid = mk_cidxtid(cid, tid);
2829 	}
2830 
2831 	wil_dbg_wmi(wil, "delba_rx: (CID %d TID %d reason %d)\n", cid,
2832 		    tid, reason);
2833 
2834 	return wmi_send(wil, WMI_RCP_DELBA_CMDID, mid, &cmd, sizeof(cmd));
2835 }
2836 
wmi_addba_rx_resp(struct wil6210_priv * wil,u8 mid,u8 cid,u8 tid,u8 token,u16 status,bool amsdu,u16 agg_wsize,u16 timeout)2837 int wmi_addba_rx_resp(struct wil6210_priv *wil,
2838 		      u8 mid, u8 cid, u8 tid, u8 token,
2839 		      u16 status, bool amsdu, u16 agg_wsize, u16 timeout)
2840 {
2841 	int rc;
2842 	struct wmi_rcp_addba_resp_cmd cmd = {
2843 		.dialog_token = token,
2844 		.status_code = cpu_to_le16(status),
2845 		/* bit 0: A-MSDU supported
2846 		 * bit 1: policy (controlled by FW)
2847 		 * bits 2..5: TID
2848 		 * bits 6..15: buffer size
2849 		 */
2850 		.ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
2851 					    (agg_wsize << 6)),
2852 		.ba_timeout = cpu_to_le16(timeout),
2853 	};
2854 	struct {
2855 		struct wmi_cmd_hdr wmi;
2856 		struct wmi_rcp_addba_resp_sent_event evt;
2857 	} __packed reply = {
2858 		.evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)},
2859 	};
2860 
2861 	if (cid >= WIL6210_RX_DESC_MAX_CID) {
2862 		cmd.cidxtid = CIDXTID_EXTENDED_CID_TID;
2863 		cmd.cid = cid;
2864 		cmd.tid = tid;
2865 	} else {
2866 		cmd.cidxtid = mk_cidxtid(cid, tid);
2867 	}
2868 
2869 	wil_dbg_wmi(wil,
2870 		    "ADDBA response for MID %d CID %d TID %d size %d timeout %d status %d AMSDU%s\n",
2871 		    mid, cid, tid, agg_wsize,
2872 		    timeout, status, amsdu ? "+" : "-");
2873 
2874 	rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, mid, &cmd, sizeof(cmd),
2875 		      WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply),
2876 		      WIL_WMI_CALL_GENERAL_TO_MS);
2877 	if (rc)
2878 		return rc;
2879 
2880 	if (reply.evt.status) {
2881 		wil_err(wil, "ADDBA response failed with status %d\n",
2882 			le16_to_cpu(reply.evt.status));
2883 		rc = -EINVAL;
2884 	}
2885 
2886 	return rc;
2887 }
2888 
wmi_addba_rx_resp_edma(struct wil6210_priv * wil,u8 mid,u8 cid,u8 tid,u8 token,u16 status,bool amsdu,u16 agg_wsize,u16 timeout)2889 int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid,
2890 			   u8 token, u16 status, bool amsdu, u16 agg_wsize,
2891 			   u16 timeout)
2892 {
2893 	int rc;
2894 	struct wmi_rcp_addba_resp_edma_cmd cmd = {
2895 		.cid = cid,
2896 		.tid = tid,
2897 		.dialog_token = token,
2898 		.status_code = cpu_to_le16(status),
2899 		/* bit 0: A-MSDU supported
2900 		 * bit 1: policy (controlled by FW)
2901 		 * bits 2..5: TID
2902 		 * bits 6..15: buffer size
2903 		 */
2904 		.ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) |
2905 					    (agg_wsize << 6)),
2906 		.ba_timeout = cpu_to_le16(timeout),
2907 		/* route all the connections to status ring 0 */
2908 		.status_ring_id = WIL_DEFAULT_RX_STATUS_RING_ID,
2909 	};
2910 	struct {
2911 		struct wmi_cmd_hdr wmi;
2912 		struct wmi_rcp_addba_resp_sent_event evt;
2913 	} __packed reply = {
2914 		.evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)},
2915 	};
2916 
2917 	wil_dbg_wmi(wil,
2918 		    "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s, sring_id %d\n",
2919 		    cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-",
2920 		    WIL_DEFAULT_RX_STATUS_RING_ID);
2921 
2922 	rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_EDMA_CMDID, mid, &cmd,
2923 		      sizeof(cmd), WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply,
2924 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
2925 	if (rc)
2926 		return rc;
2927 
2928 	if (reply.evt.status) {
2929 		wil_err(wil, "ADDBA response failed with status %d\n",
2930 			le16_to_cpu(reply.evt.status));
2931 		rc = -EINVAL;
2932 	}
2933 
2934 	return rc;
2935 }
2936 
wmi_ps_dev_profile_cfg(struct wil6210_priv * wil,enum wmi_ps_profile_type ps_profile)2937 int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil,
2938 			   enum wmi_ps_profile_type ps_profile)
2939 {
2940 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2941 	int rc;
2942 	struct wmi_ps_dev_profile_cfg_cmd cmd = {
2943 		.ps_profile = ps_profile,
2944 	};
2945 	struct {
2946 		struct wmi_cmd_hdr wmi;
2947 		struct wmi_ps_dev_profile_cfg_event evt;
2948 	} __packed reply = {
2949 		.evt = {.status = cpu_to_le32(WMI_PS_CFG_CMD_STATUS_ERROR)},
2950 	};
2951 	u32 status;
2952 
2953 	wil_dbg_wmi(wil, "Setting ps dev profile %d\n", ps_profile);
2954 
2955 	rc = wmi_call(wil, WMI_PS_DEV_PROFILE_CFG_CMDID, vif->mid,
2956 		      &cmd, sizeof(cmd),
2957 		      WMI_PS_DEV_PROFILE_CFG_EVENTID, &reply, sizeof(reply),
2958 		      WIL_WMI_CALL_GENERAL_TO_MS);
2959 	if (rc)
2960 		return rc;
2961 
2962 	status = le32_to_cpu(reply.evt.status);
2963 
2964 	if (status != WMI_PS_CFG_CMD_STATUS_SUCCESS) {
2965 		wil_err(wil, "ps dev profile cfg failed with status %d\n",
2966 			status);
2967 		rc = -EINVAL;
2968 	}
2969 
2970 	return rc;
2971 }
2972 
wmi_set_mgmt_retry(struct wil6210_priv * wil,u8 retry_short)2973 int wmi_set_mgmt_retry(struct wil6210_priv *wil, u8 retry_short)
2974 {
2975 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
2976 	int rc;
2977 	struct wmi_set_mgmt_retry_limit_cmd cmd = {
2978 		.mgmt_retry_limit = retry_short,
2979 	};
2980 	struct {
2981 		struct wmi_cmd_hdr wmi;
2982 		struct wmi_set_mgmt_retry_limit_event evt;
2983 	} __packed reply = {
2984 		.evt = {.status = WMI_FW_STATUS_FAILURE},
2985 	};
2986 
2987 	wil_dbg_wmi(wil, "Setting mgmt retry short %d\n", retry_short);
2988 
2989 	if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities))
2990 		return -ENOTSUPP;
2991 
2992 	rc = wmi_call(wil, WMI_SET_MGMT_RETRY_LIMIT_CMDID, vif->mid,
2993 		      &cmd, sizeof(cmd),
2994 		      WMI_SET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply),
2995 		      WIL_WMI_CALL_GENERAL_TO_MS);
2996 	if (rc)
2997 		return rc;
2998 
2999 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3000 		wil_err(wil, "set mgmt retry limit failed with status %d\n",
3001 			reply.evt.status);
3002 		rc = -EINVAL;
3003 	}
3004 
3005 	return rc;
3006 }
3007 
wmi_get_mgmt_retry(struct wil6210_priv * wil,u8 * retry_short)3008 int wmi_get_mgmt_retry(struct wil6210_priv *wil, u8 *retry_short)
3009 {
3010 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3011 	int rc;
3012 	struct {
3013 		struct wmi_cmd_hdr wmi;
3014 		struct wmi_get_mgmt_retry_limit_event evt;
3015 	} __packed reply;
3016 
3017 	wil_dbg_wmi(wil, "getting mgmt retry short\n");
3018 
3019 	if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities))
3020 		return -ENOTSUPP;
3021 
3022 	memset(&reply, 0, sizeof(reply));
3023 	rc = wmi_call(wil, WMI_GET_MGMT_RETRY_LIMIT_CMDID, vif->mid, NULL, 0,
3024 		      WMI_GET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply),
3025 		      WIL_WMI_CALL_GENERAL_TO_MS);
3026 	if (rc)
3027 		return rc;
3028 
3029 	if (retry_short)
3030 		*retry_short = reply.evt.mgmt_retry_limit;
3031 
3032 	return 0;
3033 }
3034 
wmi_abort_scan(struct wil6210_vif * vif)3035 int wmi_abort_scan(struct wil6210_vif *vif)
3036 {
3037 	struct wil6210_priv *wil = vif_to_wil(vif);
3038 	int rc;
3039 
3040 	wil_dbg_wmi(wil, "sending WMI_ABORT_SCAN_CMDID\n");
3041 
3042 	rc = wmi_send(wil, WMI_ABORT_SCAN_CMDID, vif->mid, NULL, 0);
3043 	if (rc)
3044 		wil_err(wil, "Failed to abort scan (%d)\n", rc);
3045 
3046 	return rc;
3047 }
3048 
wmi_new_sta(struct wil6210_vif * vif,const u8 * mac,u8 aid)3049 int wmi_new_sta(struct wil6210_vif *vif, const u8 *mac, u8 aid)
3050 {
3051 	struct wil6210_priv *wil = vif_to_wil(vif);
3052 	int rc;
3053 	struct wmi_new_sta_cmd cmd = {
3054 		.aid = aid,
3055 	};
3056 
3057 	wil_dbg_wmi(wil, "new sta %pM, aid %d\n", mac, aid);
3058 
3059 	ether_addr_copy(cmd.dst_mac, mac);
3060 
3061 	rc = wmi_send(wil, WMI_NEW_STA_CMDID, vif->mid, &cmd, sizeof(cmd));
3062 	if (rc)
3063 		wil_err(wil, "Failed to send new sta (%d)\n", rc);
3064 
3065 	return rc;
3066 }
3067 
wmi_event_flush(struct wil6210_priv * wil)3068 void wmi_event_flush(struct wil6210_priv *wil)
3069 {
3070 	ulong flags;
3071 	struct pending_wmi_event *evt, *t;
3072 
3073 	wil_dbg_wmi(wil, "event_flush\n");
3074 
3075 	spin_lock_irqsave(&wil->wmi_ev_lock, flags);
3076 
3077 	list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) {
3078 		list_del(&evt->list);
3079 		kfree(evt);
3080 	}
3081 
3082 	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
3083 }
3084 
suspend_status2name(u8 status)3085 static const char *suspend_status2name(u8 status)
3086 {
3087 	switch (status) {
3088 	case WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE:
3089 		return "LINK_NOT_IDLE";
3090 	case WMI_TRAFFIC_SUSPEND_REJECTED_DISCONNECT:
3091 		return "DISCONNECT";
3092 	case WMI_TRAFFIC_SUSPEND_REJECTED_OTHER:
3093 		return "OTHER";
3094 	default:
3095 		return "Untracked status";
3096 	}
3097 }
3098 
wmi_suspend(struct wil6210_priv * wil)3099 int wmi_suspend(struct wil6210_priv *wil)
3100 {
3101 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3102 	int rc;
3103 	struct wmi_traffic_suspend_cmd cmd = {
3104 		.wakeup_trigger = wil->wakeup_trigger,
3105 	};
3106 	struct {
3107 		struct wmi_cmd_hdr wmi;
3108 		struct wmi_traffic_suspend_event evt;
3109 	} __packed reply = {
3110 		.evt = {.status = WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE},
3111 	};
3112 
3113 	u32 suspend_to = WIL_WAIT_FOR_SUSPEND_RESUME_COMP;
3114 
3115 	wil->suspend_resp_rcvd = false;
3116 	wil->suspend_resp_comp = false;
3117 
3118 	rc = wmi_call(wil, WMI_TRAFFIC_SUSPEND_CMDID, vif->mid,
3119 		      &cmd, sizeof(cmd),
3120 		      WMI_TRAFFIC_SUSPEND_EVENTID, &reply, sizeof(reply),
3121 		      suspend_to);
3122 	if (rc) {
3123 		wil_err(wil, "wmi_call for suspend req failed, rc=%d\n", rc);
3124 		if (rc == -ETIME)
3125 			/* wmi_call TO */
3126 			wil->suspend_stats.rejected_by_device++;
3127 		else
3128 			wil->suspend_stats.rejected_by_host++;
3129 		goto out;
3130 	}
3131 
3132 	wil_dbg_wmi(wil, "waiting for suspend_response_completed\n");
3133 
3134 	rc = wait_event_interruptible_timeout(wil->wq,
3135 					      wil->suspend_resp_comp,
3136 					      msecs_to_jiffies(suspend_to));
3137 	if (rc == 0) {
3138 		wil_err(wil, "TO waiting for suspend_response_completed\n");
3139 		if (wil->suspend_resp_rcvd)
3140 			/* Device responded but we TO due to another reason */
3141 			wil->suspend_stats.rejected_by_host++;
3142 		else
3143 			wil->suspend_stats.rejected_by_device++;
3144 		rc = -EBUSY;
3145 		goto out;
3146 	}
3147 
3148 	wil_dbg_wmi(wil, "suspend_response_completed rcvd\n");
3149 	if (reply.evt.status != WMI_TRAFFIC_SUSPEND_APPROVED) {
3150 		wil_dbg_pm(wil, "device rejected the suspend, %s\n",
3151 			   suspend_status2name(reply.evt.status));
3152 		wil->suspend_stats.rejected_by_device++;
3153 	}
3154 	rc = reply.evt.status;
3155 
3156 out:
3157 	wil->suspend_resp_rcvd = false;
3158 	wil->suspend_resp_comp = false;
3159 
3160 	return rc;
3161 }
3162 
resume_triggers2string(u32 triggers,char * string,int str_size)3163 static void resume_triggers2string(u32 triggers, char *string, int str_size)
3164 {
3165 	string[0] = '\0';
3166 
3167 	if (!triggers) {
3168 		strlcat(string, " UNKNOWN", str_size);
3169 		return;
3170 	}
3171 
3172 	if (triggers & WMI_RESUME_TRIGGER_HOST)
3173 		strlcat(string, " HOST", str_size);
3174 
3175 	if (triggers & WMI_RESUME_TRIGGER_UCAST_RX)
3176 		strlcat(string, " UCAST_RX", str_size);
3177 
3178 	if (triggers & WMI_RESUME_TRIGGER_BCAST_RX)
3179 		strlcat(string, " BCAST_RX", str_size);
3180 
3181 	if (triggers & WMI_RESUME_TRIGGER_WMI_EVT)
3182 		strlcat(string, " WMI_EVT", str_size);
3183 
3184 	if (triggers & WMI_RESUME_TRIGGER_DISCONNECT)
3185 		strlcat(string, " DISCONNECT", str_size);
3186 }
3187 
wmi_resume(struct wil6210_priv * wil)3188 int wmi_resume(struct wil6210_priv *wil)
3189 {
3190 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3191 	int rc;
3192 	char string[100];
3193 	struct {
3194 		struct wmi_cmd_hdr wmi;
3195 		struct wmi_traffic_resume_event evt;
3196 	} __packed reply = {
3197 		.evt = {.status = WMI_TRAFFIC_RESUME_FAILED,
3198 			.resume_triggers =
3199 				cpu_to_le32(WMI_RESUME_TRIGGER_UNKNOWN)},
3200 	};
3201 
3202 	rc = wmi_call(wil, WMI_TRAFFIC_RESUME_CMDID, vif->mid, NULL, 0,
3203 		      WMI_TRAFFIC_RESUME_EVENTID, &reply, sizeof(reply),
3204 		      WIL_WAIT_FOR_SUSPEND_RESUME_COMP);
3205 	if (rc)
3206 		return rc;
3207 	resume_triggers2string(le32_to_cpu(reply.evt.resume_triggers), string,
3208 			       sizeof(string));
3209 	wil_dbg_pm(wil, "device resume %s, resume triggers:%s (0x%x)\n",
3210 		   reply.evt.status ? "failed" : "passed", string,
3211 		   le32_to_cpu(reply.evt.resume_triggers));
3212 
3213 	return reply.evt.status;
3214 }
3215 
wmi_port_allocate(struct wil6210_priv * wil,u8 mid,const u8 * mac,enum nl80211_iftype iftype)3216 int wmi_port_allocate(struct wil6210_priv *wil, u8 mid,
3217 		      const u8 *mac, enum nl80211_iftype iftype)
3218 {
3219 	int rc;
3220 	struct wmi_port_allocate_cmd cmd = {
3221 		.mid = mid,
3222 	};
3223 	struct {
3224 		struct wmi_cmd_hdr wmi;
3225 		struct wmi_port_allocated_event evt;
3226 	} __packed reply = {
3227 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3228 	};
3229 
3230 	wil_dbg_misc(wil, "port allocate, mid %d iftype %d, mac %pM\n",
3231 		     mid, iftype, mac);
3232 
3233 	ether_addr_copy(cmd.mac, mac);
3234 	switch (iftype) {
3235 	case NL80211_IFTYPE_STATION:
3236 		cmd.port_role = WMI_PORT_STA;
3237 		break;
3238 	case NL80211_IFTYPE_AP:
3239 		cmd.port_role = WMI_PORT_AP;
3240 		break;
3241 	case NL80211_IFTYPE_P2P_CLIENT:
3242 		cmd.port_role = WMI_PORT_P2P_CLIENT;
3243 		break;
3244 	case NL80211_IFTYPE_P2P_GO:
3245 		cmd.port_role = WMI_PORT_P2P_GO;
3246 		break;
3247 	/* what about monitor??? */
3248 	default:
3249 		wil_err(wil, "unsupported iftype: %d\n", iftype);
3250 		return -EINVAL;
3251 	}
3252 
3253 	rc = wmi_call(wil, WMI_PORT_ALLOCATE_CMDID, mid,
3254 		      &cmd, sizeof(cmd),
3255 		      WMI_PORT_ALLOCATED_EVENTID, &reply,
3256 		      sizeof(reply), 300);
3257 	if (rc) {
3258 		wil_err(wil, "failed to allocate port, status %d\n", rc);
3259 		return rc;
3260 	}
3261 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3262 		wil_err(wil, "WMI_PORT_ALLOCATE returned status %d\n",
3263 			reply.evt.status);
3264 		return -EINVAL;
3265 	}
3266 
3267 	return 0;
3268 }
3269 
wmi_port_delete(struct wil6210_priv * wil,u8 mid)3270 int wmi_port_delete(struct wil6210_priv *wil, u8 mid)
3271 {
3272 	int rc;
3273 	struct wmi_port_delete_cmd cmd = {
3274 		.mid = mid,
3275 	};
3276 	struct {
3277 		struct wmi_cmd_hdr wmi;
3278 		struct wmi_port_deleted_event evt;
3279 	} __packed reply = {
3280 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3281 	};
3282 
3283 	wil_dbg_misc(wil, "port delete, mid %d\n", mid);
3284 
3285 	rc = wmi_call(wil, WMI_PORT_DELETE_CMDID, mid,
3286 		      &cmd, sizeof(cmd),
3287 		      WMI_PORT_DELETED_EVENTID, &reply,
3288 		      sizeof(reply), 2000);
3289 	if (rc) {
3290 		wil_err(wil, "failed to delete port, status %d\n", rc);
3291 		return rc;
3292 	}
3293 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3294 		wil_err(wil, "WMI_PORT_DELETE returned status %d\n",
3295 			reply.evt.status);
3296 		return -EINVAL;
3297 	}
3298 
3299 	return 0;
3300 }
3301 
wmi_evt_call_handler(struct wil6210_vif * vif,int id,void * d,int len)3302 static bool wmi_evt_call_handler(struct wil6210_vif *vif, int id,
3303 				 void *d, int len)
3304 {
3305 	uint i;
3306 
3307 	for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) {
3308 		if (wmi_evt_handlers[i].eventid == id) {
3309 			wmi_evt_handlers[i].handler(vif, id, d, len);
3310 			return true;
3311 		}
3312 	}
3313 
3314 	return false;
3315 }
3316 
wmi_event_handle(struct wil6210_priv * wil,struct wil6210_mbox_hdr * hdr)3317 static void wmi_event_handle(struct wil6210_priv *wil,
3318 			     struct wil6210_mbox_hdr *hdr)
3319 {
3320 	u16 len = le16_to_cpu(hdr->len);
3321 	struct wil6210_vif *vif;
3322 
3323 	if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) &&
3324 	    (len >= sizeof(struct wmi_cmd_hdr))) {
3325 		struct wmi_cmd_hdr *wmi = (void *)(&hdr[1]);
3326 		void *evt_data = (void *)(&wmi[1]);
3327 		u16 id = le16_to_cpu(wmi->command_id);
3328 		u8 mid = wmi->mid;
3329 
3330 		wil_dbg_wmi(wil, "Handle %s (0x%04x) (reply_id 0x%04x,%d)\n",
3331 			    eventid2name(id), id, wil->reply_id,
3332 			    wil->reply_mid);
3333 
3334 		if (mid == MID_BROADCAST)
3335 			mid = 0;
3336 		if (mid >= GET_MAX_VIFS(wil)) {
3337 			wil_dbg_wmi(wil, "invalid mid %d, event skipped\n",
3338 				    mid);
3339 			return;
3340 		}
3341 		vif = wil->vifs[mid];
3342 		if (!vif) {
3343 			wil_dbg_wmi(wil, "event for empty VIF(%d), skipped\n",
3344 				    mid);
3345 			return;
3346 		}
3347 
3348 		/* check if someone waits for this event */
3349 		if (wil->reply_id && wil->reply_id == id &&
3350 		    wil->reply_mid == mid) {
3351 			if (wil->reply_buf) {
3352 				/* event received while wmi_call is waiting
3353 				 * with a buffer. Such event should be handled
3354 				 * in wmi_recv_cmd function. Handling the event
3355 				 * here means a previous wmi_call was timeout.
3356 				 * Drop the event and do not handle it.
3357 				 */
3358 				wil_err(wil,
3359 					"Old event (%d, %s) while wmi_call is waiting. Drop it and Continue waiting\n",
3360 					id, eventid2name(id));
3361 				return;
3362 			}
3363 
3364 			wmi_evt_call_handler(vif, id, evt_data,
3365 					     len - sizeof(*wmi));
3366 			wil_dbg_wmi(wil, "event_handle: Complete WMI 0x%04x\n",
3367 				    id);
3368 			complete(&wil->wmi_call);
3369 			return;
3370 		}
3371 		/* unsolicited event */
3372 		/* search for handler */
3373 		if (!wmi_evt_call_handler(vif, id, evt_data,
3374 					  len - sizeof(*wmi))) {
3375 			wil_info(wil, "Unhandled event 0x%04x\n", id);
3376 		}
3377 	} else {
3378 		wil_err(wil, "Unknown event type\n");
3379 		print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1,
3380 			       hdr, sizeof(*hdr) + len, true);
3381 	}
3382 }
3383 
3384 /*
3385  * Retrieve next WMI event from the pending list
3386  */
next_wmi_ev(struct wil6210_priv * wil)3387 static struct list_head *next_wmi_ev(struct wil6210_priv *wil)
3388 {
3389 	ulong flags;
3390 	struct list_head *ret = NULL;
3391 
3392 	spin_lock_irqsave(&wil->wmi_ev_lock, flags);
3393 
3394 	if (!list_empty(&wil->pending_wmi_ev)) {
3395 		ret = wil->pending_wmi_ev.next;
3396 		list_del(ret);
3397 	}
3398 
3399 	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
3400 
3401 	return ret;
3402 }
3403 
3404 /*
3405  * Handler for the WMI events
3406  */
wmi_event_worker(struct work_struct * work)3407 void wmi_event_worker(struct work_struct *work)
3408 {
3409 	struct wil6210_priv *wil = container_of(work, struct wil6210_priv,
3410 						 wmi_event_worker);
3411 	struct pending_wmi_event *evt;
3412 	struct list_head *lh;
3413 
3414 	wil_dbg_wmi(wil, "event_worker: Start\n");
3415 	while ((lh = next_wmi_ev(wil)) != NULL) {
3416 		evt = list_entry(lh, struct pending_wmi_event, list);
3417 		wmi_event_handle(wil, &evt->event.hdr);
3418 		kfree(evt);
3419 	}
3420 	wil_dbg_wmi(wil, "event_worker: Finished\n");
3421 }
3422 
wil_is_wmi_idle(struct wil6210_priv * wil)3423 bool wil_is_wmi_idle(struct wil6210_priv *wil)
3424 {
3425 	ulong flags;
3426 	struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx;
3427 	bool rc = false;
3428 
3429 	spin_lock_irqsave(&wil->wmi_ev_lock, flags);
3430 
3431 	/* Check if there are pending WMI events in the events queue */
3432 	if (!list_empty(&wil->pending_wmi_ev)) {
3433 		wil_dbg_pm(wil, "Pending WMI events in queue\n");
3434 		goto out;
3435 	}
3436 
3437 	/* Check if there is a pending WMI call */
3438 	if (wil->reply_id) {
3439 		wil_dbg_pm(wil, "Pending WMI call\n");
3440 		goto out;
3441 	}
3442 
3443 	/* Check if there are pending RX events in mbox */
3444 	r->head = wil_r(wil, RGF_MBOX +
3445 			offsetof(struct wil6210_mbox_ctl, rx.head));
3446 	if (r->tail != r->head)
3447 		wil_dbg_pm(wil, "Pending WMI mbox events\n");
3448 	else
3449 		rc = true;
3450 
3451 out:
3452 	spin_unlock_irqrestore(&wil->wmi_ev_lock, flags);
3453 	return rc;
3454 }
3455 
3456 static void
wmi_sched_scan_set_ssids(struct wil6210_priv * wil,struct wmi_start_sched_scan_cmd * cmd,struct cfg80211_ssid * ssids,int n_ssids,struct cfg80211_match_set * match_sets,int n_match_sets)3457 wmi_sched_scan_set_ssids(struct wil6210_priv *wil,
3458 			 struct wmi_start_sched_scan_cmd *cmd,
3459 			 struct cfg80211_ssid *ssids, int n_ssids,
3460 			 struct cfg80211_match_set *match_sets,
3461 			 int n_match_sets)
3462 {
3463 	int i;
3464 
3465 	if (n_match_sets > WMI_MAX_PNO_SSID_NUM) {
3466 		wil_dbg_wmi(wil, "too many match sets (%d), use first %d\n",
3467 			    n_match_sets, WMI_MAX_PNO_SSID_NUM);
3468 		n_match_sets = WMI_MAX_PNO_SSID_NUM;
3469 	}
3470 	cmd->num_of_ssids = n_match_sets;
3471 
3472 	for (i = 0; i < n_match_sets; i++) {
3473 		struct wmi_sched_scan_ssid_match *wmi_match =
3474 			&cmd->ssid_for_match[i];
3475 		struct cfg80211_match_set *cfg_match = &match_sets[i];
3476 		int j;
3477 
3478 		wmi_match->ssid_len = cfg_match->ssid.ssid_len;
3479 		memcpy(wmi_match->ssid, cfg_match->ssid.ssid,
3480 		       min_t(u8, wmi_match->ssid_len, WMI_MAX_SSID_LEN));
3481 		wmi_match->rssi_threshold = S8_MIN;
3482 		if (cfg_match->rssi_thold >= S8_MIN &&
3483 		    cfg_match->rssi_thold <= S8_MAX)
3484 			wmi_match->rssi_threshold = cfg_match->rssi_thold;
3485 
3486 		for (j = 0; j < n_ssids; j++)
3487 			if (wmi_match->ssid_len == ssids[j].ssid_len &&
3488 			    memcmp(wmi_match->ssid, ssids[j].ssid,
3489 				   wmi_match->ssid_len) == 0)
3490 				wmi_match->add_ssid_to_probe = true;
3491 	}
3492 }
3493 
3494 static void
wmi_sched_scan_set_channels(struct wil6210_priv * wil,struct wmi_start_sched_scan_cmd * cmd,u32 n_channels,struct ieee80211_channel ** channels)3495 wmi_sched_scan_set_channels(struct wil6210_priv *wil,
3496 			    struct wmi_start_sched_scan_cmd *cmd,
3497 			    u32 n_channels,
3498 			    struct ieee80211_channel **channels)
3499 {
3500 	int i;
3501 
3502 	if (n_channels > WMI_MAX_CHANNEL_NUM) {
3503 		wil_dbg_wmi(wil, "too many channels (%d), use first %d\n",
3504 			    n_channels, WMI_MAX_CHANNEL_NUM);
3505 		n_channels = WMI_MAX_CHANNEL_NUM;
3506 	}
3507 	cmd->num_of_channels = n_channels;
3508 
3509 	for (i = 0; i < n_channels; i++) {
3510 		struct ieee80211_channel *cfg_chan = channels[i];
3511 
3512 		cmd->channel_list[i] = cfg_chan->hw_value - 1;
3513 	}
3514 }
3515 
3516 static void
wmi_sched_scan_set_plans(struct wil6210_priv * wil,struct wmi_start_sched_scan_cmd * cmd,struct cfg80211_sched_scan_plan * scan_plans,int n_scan_plans)3517 wmi_sched_scan_set_plans(struct wil6210_priv *wil,
3518 			 struct wmi_start_sched_scan_cmd *cmd,
3519 			 struct cfg80211_sched_scan_plan *scan_plans,
3520 			 int n_scan_plans)
3521 {
3522 	int i;
3523 
3524 	if (n_scan_plans > WMI_MAX_PLANS_NUM) {
3525 		wil_dbg_wmi(wil, "too many plans (%d), use first %d\n",
3526 			    n_scan_plans, WMI_MAX_PLANS_NUM);
3527 		n_scan_plans = WMI_MAX_PLANS_NUM;
3528 	}
3529 
3530 	for (i = 0; i < n_scan_plans; i++) {
3531 		struct cfg80211_sched_scan_plan *cfg_plan = &scan_plans[i];
3532 
3533 		cmd->scan_plans[i].interval_sec =
3534 			cpu_to_le16(cfg_plan->interval);
3535 		cmd->scan_plans[i].num_of_iterations =
3536 			cpu_to_le16(cfg_plan->iterations);
3537 	}
3538 }
3539 
wmi_start_sched_scan(struct wil6210_priv * wil,struct cfg80211_sched_scan_request * request)3540 int wmi_start_sched_scan(struct wil6210_priv *wil,
3541 			 struct cfg80211_sched_scan_request *request)
3542 {
3543 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3544 	int rc;
3545 	struct wmi_start_sched_scan_cmd cmd = {
3546 		.min_rssi_threshold = S8_MIN,
3547 		.initial_delay_sec = cpu_to_le16(request->delay),
3548 	};
3549 	struct {
3550 		struct wmi_cmd_hdr wmi;
3551 		struct wmi_start_sched_scan_event evt;
3552 	} __packed reply = {
3553 		.evt = {.result = WMI_PNO_REJECT},
3554 	};
3555 
3556 	if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
3557 		return -ENOTSUPP;
3558 
3559 	if (request->min_rssi_thold >= S8_MIN &&
3560 	    request->min_rssi_thold <= S8_MAX)
3561 		cmd.min_rssi_threshold = request->min_rssi_thold;
3562 
3563 	wmi_sched_scan_set_ssids(wil, &cmd, request->ssids, request->n_ssids,
3564 				 request->match_sets, request->n_match_sets);
3565 	wmi_sched_scan_set_channels(wil, &cmd,
3566 				    request->n_channels, request->channels);
3567 	wmi_sched_scan_set_plans(wil, &cmd,
3568 				 request->scan_plans, request->n_scan_plans);
3569 
3570 	rc = wmi_call(wil, WMI_START_SCHED_SCAN_CMDID, vif->mid,
3571 		      &cmd, sizeof(cmd),
3572 		      WMI_START_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
3573 		      WIL_WMI_CALL_GENERAL_TO_MS);
3574 	if (rc)
3575 		return rc;
3576 
3577 	if (reply.evt.result != WMI_PNO_SUCCESS) {
3578 		wil_err(wil, "start sched scan failed, result %d\n",
3579 			reply.evt.result);
3580 		return -EINVAL;
3581 	}
3582 
3583 	return 0;
3584 }
3585 
wmi_stop_sched_scan(struct wil6210_priv * wil)3586 int wmi_stop_sched_scan(struct wil6210_priv *wil)
3587 {
3588 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3589 	int rc;
3590 	struct {
3591 		struct wmi_cmd_hdr wmi;
3592 		struct wmi_stop_sched_scan_event evt;
3593 	} __packed reply = {
3594 		.evt = {.result = WMI_PNO_REJECT},
3595 	};
3596 
3597 	if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities))
3598 		return -ENOTSUPP;
3599 
3600 	rc = wmi_call(wil, WMI_STOP_SCHED_SCAN_CMDID, vif->mid, NULL, 0,
3601 		      WMI_STOP_SCHED_SCAN_EVENTID, &reply, sizeof(reply),
3602 		      WIL_WMI_CALL_GENERAL_TO_MS);
3603 	if (rc)
3604 		return rc;
3605 
3606 	if (reply.evt.result != WMI_PNO_SUCCESS) {
3607 		wil_err(wil, "stop sched scan failed, result %d\n",
3608 			reply.evt.result);
3609 		return -EINVAL;
3610 	}
3611 
3612 	return 0;
3613 }
3614 
wmi_mgmt_tx(struct wil6210_vif * vif,const u8 * buf,size_t len)3615 int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len)
3616 {
3617 	size_t total;
3618 	struct wil6210_priv *wil = vif_to_wil(vif);
3619 	struct ieee80211_mgmt *mgmt_frame = (void *)buf;
3620 	struct wmi_sw_tx_req_cmd *cmd;
3621 	struct {
3622 		struct wmi_cmd_hdr wmi;
3623 		struct wmi_sw_tx_complete_event evt;
3624 	} __packed evt = {
3625 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3626 	};
3627 	int rc;
3628 
3629 	wil_dbg_misc(wil, "mgmt_tx mid %d\n", vif->mid);
3630 	wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf,
3631 			  len, true);
3632 
3633 	if (len < sizeof(struct ieee80211_hdr_3addr))
3634 		return -EINVAL;
3635 
3636 	total = sizeof(*cmd) + len;
3637 	if (total < len) {
3638 		wil_err(wil, "mgmt_tx invalid len %zu\n", len);
3639 		return -EINVAL;
3640 	}
3641 
3642 	cmd = kmalloc(total, GFP_KERNEL);
3643 	if (!cmd)
3644 		return -ENOMEM;
3645 
3646 	memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
3647 	cmd->len = cpu_to_le16(len);
3648 	memcpy(cmd->payload, buf, len);
3649 
3650 	rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, vif->mid, cmd, total,
3651 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
3652 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
3653 		wil_dbg_wmi(wil, "mgmt_tx failed with status %d\n",
3654 			    evt.evt.status);
3655 		rc = -EAGAIN;
3656 	}
3657 
3658 	kfree(cmd);
3659 
3660 	return rc;
3661 }
3662 
wmi_mgmt_tx_ext(struct wil6210_vif * vif,const u8 * buf,size_t len,u8 channel,u16 duration_ms)3663 int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len,
3664 		    u8 channel, u16 duration_ms)
3665 {
3666 	size_t total;
3667 	struct wil6210_priv *wil = vif_to_wil(vif);
3668 	struct ieee80211_mgmt *mgmt_frame = (void *)buf;
3669 	struct wmi_sw_tx_req_ext_cmd *cmd;
3670 	struct {
3671 		struct wmi_cmd_hdr wmi;
3672 		struct wmi_sw_tx_complete_event evt;
3673 	} __packed evt = {
3674 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3675 	};
3676 	int rc;
3677 
3678 	wil_dbg_wmi(wil, "mgmt_tx_ext mid %d channel %d duration %d\n",
3679 		    vif->mid, channel, duration_ms);
3680 	wil_hex_dump_wmi("mgmt_tx_ext frame ", DUMP_PREFIX_OFFSET, 16, 1, buf,
3681 			 len, true);
3682 
3683 	if (len < sizeof(struct ieee80211_hdr_3addr)) {
3684 		wil_err(wil, "short frame. len %zu\n", len);
3685 		return -EINVAL;
3686 	}
3687 
3688 	total = sizeof(*cmd) + len;
3689 	if (total < len) {
3690 		wil_err(wil, "mgmt_tx_ext invalid len %zu\n", len);
3691 		return -EINVAL;
3692 	}
3693 
3694 	cmd = kzalloc(total, GFP_KERNEL);
3695 	if (!cmd)
3696 		return -ENOMEM;
3697 
3698 	memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN);
3699 	cmd->len = cpu_to_le16(len);
3700 	memcpy(cmd->payload, buf, len);
3701 	cmd->channel = channel - 1;
3702 	cmd->duration_ms = cpu_to_le16(duration_ms);
3703 
3704 	rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total,
3705 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
3706 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
3707 		wil_dbg_wmi(wil, "mgmt_tx_ext failed with status %d\n",
3708 			    evt.evt.status);
3709 		rc = -EAGAIN;
3710 	}
3711 
3712 	kfree(cmd);
3713 
3714 	return rc;
3715 }
3716 
wil_wmi_tx_sring_cfg(struct wil6210_priv * wil,int ring_id)3717 int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id)
3718 {
3719 	int rc;
3720 	struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
3721 	struct wil_status_ring *sring = &wil->srings[ring_id];
3722 	struct wmi_tx_status_ring_add_cmd cmd = {
3723 		.ring_cfg = {
3724 			.ring_size = cpu_to_le16(sring->size),
3725 		},
3726 		.irq_index = WIL_TX_STATUS_IRQ_IDX
3727 	};
3728 	struct {
3729 		struct wmi_cmd_hdr hdr;
3730 		struct wmi_tx_status_ring_cfg_done_event evt;
3731 	} __packed reply = {
3732 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3733 	};
3734 
3735 	cmd.ring_cfg.ring_id = ring_id;
3736 
3737 	cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa);
3738 	rc = wmi_call(wil, WMI_TX_STATUS_RING_ADD_CMDID, vif->mid, &cmd,
3739 		      sizeof(cmd), WMI_TX_STATUS_RING_CFG_DONE_EVENTID,
3740 		      &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3741 	if (rc) {
3742 		wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, rc %d\n", rc);
3743 		return rc;
3744 	}
3745 
3746 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3747 		wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, status %d\n",
3748 			reply.evt.status);
3749 		return -EINVAL;
3750 	}
3751 
3752 	sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr);
3753 
3754 	return 0;
3755 }
3756 
wil_wmi_cfg_def_rx_offload(struct wil6210_priv * wil,u16 max_rx_pl_per_desc)3757 int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, u16 max_rx_pl_per_desc)
3758 {
3759 	struct net_device *ndev = wil->main_ndev;
3760 	struct wil6210_vif *vif = ndev_to_vif(ndev);
3761 	int rc;
3762 	struct wmi_cfg_def_rx_offload_cmd cmd = {
3763 		.max_msdu_size = cpu_to_le16(wil_mtu2macbuf(WIL_MAX_ETH_MTU)),
3764 		.max_rx_pl_per_desc = cpu_to_le16(max_rx_pl_per_desc),
3765 		.decap_trans_type = WMI_DECAP_TYPE_802_3,
3766 		.l2_802_3_offload_ctrl = 0,
3767 		.l3_l4_ctrl = 1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS,
3768 	};
3769 	struct {
3770 		struct wmi_cmd_hdr hdr;
3771 		struct wmi_cfg_def_rx_offload_done_event evt;
3772 	} __packed reply = {
3773 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3774 	};
3775 
3776 	rc = wmi_call(wil, WMI_CFG_DEF_RX_OFFLOAD_CMDID, vif->mid, &cmd,
3777 		      sizeof(cmd), WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID, &reply,
3778 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3779 	if (rc) {
3780 		wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, rc %d\n", rc);
3781 		return rc;
3782 	}
3783 
3784 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3785 		wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, status %d\n",
3786 			reply.evt.status);
3787 		return -EINVAL;
3788 	}
3789 
3790 	return 0;
3791 }
3792 
wil_wmi_rx_sring_add(struct wil6210_priv * wil,u16 ring_id)3793 int wil_wmi_rx_sring_add(struct wil6210_priv *wil, u16 ring_id)
3794 {
3795 	struct net_device *ndev = wil->main_ndev;
3796 	struct wil6210_vif *vif = ndev_to_vif(ndev);
3797 	struct wil_status_ring *sring = &wil->srings[ring_id];
3798 	int rc;
3799 	struct wmi_rx_status_ring_add_cmd cmd = {
3800 		.ring_cfg = {
3801 			.ring_size = cpu_to_le16(sring->size),
3802 			.ring_id = ring_id,
3803 		},
3804 		.rx_msg_type = wil->use_compressed_rx_status ?
3805 			WMI_RX_MSG_TYPE_COMPRESSED :
3806 			WMI_RX_MSG_TYPE_EXTENDED,
3807 		.irq_index = WIL_RX_STATUS_IRQ_IDX,
3808 	};
3809 	struct {
3810 		struct wmi_cmd_hdr hdr;
3811 		struct wmi_rx_status_ring_cfg_done_event evt;
3812 	} __packed reply = {
3813 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3814 	};
3815 
3816 	cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa);
3817 	rc = wmi_call(wil, WMI_RX_STATUS_RING_ADD_CMDID, vif->mid, &cmd,
3818 		      sizeof(cmd), WMI_RX_STATUS_RING_CFG_DONE_EVENTID, &reply,
3819 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3820 	if (rc) {
3821 		wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, rc %d\n", rc);
3822 		return rc;
3823 	}
3824 
3825 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3826 		wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, status %d\n",
3827 			reply.evt.status);
3828 		return -EINVAL;
3829 	}
3830 
3831 	sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr);
3832 
3833 	return 0;
3834 }
3835 
wil_wmi_rx_desc_ring_add(struct wil6210_priv * wil,int status_ring_id)3836 int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id)
3837 {
3838 	struct net_device *ndev = wil->main_ndev;
3839 	struct wil6210_vif *vif = ndev_to_vif(ndev);
3840 	struct wil_ring *ring = &wil->ring_rx;
3841 	int rc;
3842 	struct wmi_rx_desc_ring_add_cmd cmd = {
3843 		.ring_cfg = {
3844 			.ring_size = cpu_to_le16(ring->size),
3845 			.ring_id = WIL_RX_DESC_RING_ID,
3846 		},
3847 		.status_ring_id = status_ring_id,
3848 		.irq_index = WIL_RX_STATUS_IRQ_IDX,
3849 	};
3850 	struct {
3851 		struct wmi_cmd_hdr hdr;
3852 		struct wmi_rx_desc_ring_cfg_done_event evt;
3853 	} __packed reply = {
3854 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3855 	};
3856 
3857 	cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa);
3858 	cmd.sw_tail_host_addr = cpu_to_le64(ring->edma_rx_swtail.pa);
3859 	rc = wmi_call(wil, WMI_RX_DESC_RING_ADD_CMDID, vif->mid, &cmd,
3860 		      sizeof(cmd), WMI_RX_DESC_RING_CFG_DONE_EVENTID, &reply,
3861 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3862 	if (rc) {
3863 		wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, rc %d\n", rc);
3864 		return rc;
3865 	}
3866 
3867 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3868 		wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, status %d\n",
3869 			reply.evt.status);
3870 		return -EINVAL;
3871 	}
3872 
3873 	ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr);
3874 
3875 	return 0;
3876 }
3877 
wil_wmi_tx_desc_ring_add(struct wil6210_vif * vif,int ring_id,int cid,int tid)3878 int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid,
3879 			     int tid)
3880 {
3881 	struct wil6210_priv *wil = vif_to_wil(vif);
3882 	int sring_id = wil->tx_sring_idx; /* there is only one TX sring */
3883 	int rc;
3884 	struct wil_ring *ring = &wil->ring_tx[ring_id];
3885 	struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id];
3886 	struct wmi_tx_desc_ring_add_cmd cmd = {
3887 		.ring_cfg = {
3888 			.ring_size = cpu_to_le16(ring->size),
3889 			.ring_id = ring_id,
3890 		},
3891 		.status_ring_id = sring_id,
3892 		.cid = cid,
3893 		.tid = tid,
3894 		.encap_trans_type = WMI_VRING_ENC_TYPE_802_3,
3895 		.max_msdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
3896 		.schd_params = {
3897 			.priority = cpu_to_le16(0),
3898 			.timeslot_us = cpu_to_le16(0xfff),
3899 		}
3900 	};
3901 	struct {
3902 		struct wmi_cmd_hdr hdr;
3903 		struct wmi_tx_desc_ring_cfg_done_event evt;
3904 	} __packed reply = {
3905 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3906 	};
3907 
3908 	cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa);
3909 	rc = wmi_call(wil, WMI_TX_DESC_RING_ADD_CMDID, vif->mid, &cmd,
3910 		      sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply,
3911 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3912 	if (rc) {
3913 		wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, rc %d\n", rc);
3914 		return rc;
3915 	}
3916 
3917 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3918 		wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, status %d\n",
3919 			reply.evt.status);
3920 		return -EINVAL;
3921 	}
3922 
3923 	spin_lock_bh(&txdata->lock);
3924 	ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr);
3925 	txdata->mid = vif->mid;
3926 	txdata->enabled = 1;
3927 	spin_unlock_bh(&txdata->lock);
3928 
3929 	return 0;
3930 }
3931 
wil_wmi_bcast_desc_ring_add(struct wil6210_vif * vif,int ring_id)3932 int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id)
3933 {
3934 	struct wil6210_priv *wil = vif_to_wil(vif);
3935 	struct wil_ring *ring = &wil->ring_tx[ring_id];
3936 	int rc;
3937 	struct wmi_bcast_desc_ring_add_cmd cmd = {
3938 		.ring_cfg = {
3939 			.ring_size = cpu_to_le16(ring->size),
3940 			.ring_id = ring_id,
3941 		},
3942 		.max_msdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)),
3943 		.status_ring_id = wil->tx_sring_idx,
3944 		.encap_trans_type = WMI_VRING_ENC_TYPE_802_3,
3945 	};
3946 	struct {
3947 		struct wmi_cmd_hdr hdr;
3948 		struct wmi_rx_desc_ring_cfg_done_event evt;
3949 	} __packed reply = {
3950 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3951 	};
3952 	struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id];
3953 
3954 	cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa);
3955 	rc = wmi_call(wil, WMI_BCAST_DESC_RING_ADD_CMDID, vif->mid, &cmd,
3956 		      sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply,
3957 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3958 	if (rc) {
3959 		wil_err(wil, "WMI_BCAST_DESC_RING_ADD_CMD failed, rc %d\n", rc);
3960 		return rc;
3961 	}
3962 
3963 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
3964 		wil_err(wil, "Broadcast Tx config failed, status %d\n",
3965 			reply.evt.status);
3966 		return -EINVAL;
3967 	}
3968 
3969 	spin_lock_bh(&txdata->lock);
3970 	ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr);
3971 	txdata->mid = vif->mid;
3972 	txdata->enabled = 1;
3973 	spin_unlock_bh(&txdata->lock);
3974 
3975 	return 0;
3976 }
3977 
wmi_link_stats_cfg(struct wil6210_vif * vif,u32 type,u8 cid,u32 interval)3978 int wmi_link_stats_cfg(struct wil6210_vif *vif, u32 type, u8 cid, u32 interval)
3979 {
3980 	struct wil6210_priv *wil = vif_to_wil(vif);
3981 	struct wmi_link_stats_cmd cmd = {
3982 		.record_type_mask = cpu_to_le32(type),
3983 		.cid = cid,
3984 		.action = WMI_LINK_STATS_SNAPSHOT,
3985 		.interval_msec = cpu_to_le32(interval),
3986 	};
3987 	struct {
3988 		struct wmi_cmd_hdr wmi;
3989 		struct wmi_link_stats_config_done_event evt;
3990 	} __packed reply = {
3991 		.evt = {.status = WMI_FW_STATUS_FAILURE},
3992 	};
3993 	int rc;
3994 
3995 	rc = wmi_call(wil, WMI_LINK_STATS_CMDID, vif->mid, &cmd, sizeof(cmd),
3996 		      WMI_LINK_STATS_CONFIG_DONE_EVENTID, &reply,
3997 		      sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
3998 	if (rc) {
3999 		wil_err(wil, "WMI_LINK_STATS_CMDID failed, rc %d\n", rc);
4000 		return rc;
4001 	}
4002 
4003 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
4004 		wil_err(wil, "Link statistics config failed, status %d\n",
4005 			reply.evt.status);
4006 		return -EINVAL;
4007 	}
4008 
4009 	return 0;
4010 }
4011 
wmi_set_cqm_rssi_config(struct wil6210_priv * wil,s32 rssi_thold,u32 rssi_hyst)4012 int wmi_set_cqm_rssi_config(struct wil6210_priv *wil,
4013 			    s32 rssi_thold, u32 rssi_hyst)
4014 {
4015 	struct net_device *ndev = wil->main_ndev;
4016 	struct wil6210_vif *vif = ndev_to_vif(ndev);
4017 	int rc;
4018 	struct {
4019 		struct wmi_set_link_monitor_cmd cmd;
4020 		s8 rssi_thold;
4021 	} __packed cmd = {
4022 		.cmd = {
4023 			.rssi_hyst = rssi_hyst,
4024 			.rssi_thresholds_list_size = 1,
4025 		},
4026 		.rssi_thold = rssi_thold,
4027 	};
4028 	struct {
4029 		struct wmi_cmd_hdr hdr;
4030 		struct wmi_set_link_monitor_event evt;
4031 	} __packed reply = {
4032 		.evt = {.status = WMI_FW_STATUS_FAILURE},
4033 	};
4034 
4035 	if (rssi_thold > S8_MAX || rssi_thold < S8_MIN || rssi_hyst > U8_MAX)
4036 		return -EINVAL;
4037 
4038 	rc = wmi_call(wil, WMI_SET_LINK_MONITOR_CMDID, vif->mid, &cmd,
4039 		      sizeof(cmd), WMI_SET_LINK_MONITOR_EVENTID,
4040 		      &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
4041 	if (rc) {
4042 		wil_err(wil, "WMI_SET_LINK_MONITOR_CMDID failed, rc %d\n", rc);
4043 		return rc;
4044 	}
4045 
4046 	if (reply.evt.status != WMI_FW_STATUS_SUCCESS) {
4047 		wil_err(wil, "WMI_SET_LINK_MONITOR_CMDID failed, status %d\n",
4048 			reply.evt.status);
4049 		return -EINVAL;
4050 	}
4051 
4052 	return 0;
4053 }
4054