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 * wmi_addr_remap - 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 * wil_find_fw_mapping - 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 * wmi_buffer_block - 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 strscpy(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 %s RSSI %d SQI %d%%\n", 855 data->info.channel, WIL_EXTENDED_MCS_CHECK(data->info.mcs), 856 data->info.rssi, 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 .signal = signal, 874 .boottime_ns = ktime_to_ns(ktime_get_boottime()), 875 }; 876 u64 tsf = le64_to_cpu(rx_mgmt_frame->u.beacon.timestamp); 877 u16 cap = le16_to_cpu(rx_mgmt_frame->u.beacon.capab_info); 878 u16 bi = le16_to_cpu(rx_mgmt_frame->u.beacon.beacon_int); 879 const u8 *ie_buf = rx_mgmt_frame->u.beacon.variable; 880 size_t ie_len = d_len - offsetof(struct ieee80211_mgmt, 881 u.beacon.variable); 882 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap); 883 wil_dbg_wmi(wil, "TSF : 0x%016llx\n", tsf); 884 wil_dbg_wmi(wil, "Beacon interval : %d\n", bi); 885 wil_hex_dump_wmi("IE ", DUMP_PREFIX_OFFSET, 16, 1, ie_buf, 886 ie_len, true); 887 888 wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap); 889 890 bss = cfg80211_inform_bss_frame_data(wiphy, &bss_data, 891 rx_mgmt_frame, 892 d_len, GFP_KERNEL); 893 if (bss) { 894 wil_dbg_wmi(wil, "Added BSS %pM\n", 895 rx_mgmt_frame->bssid); 896 cfg80211_put_bss(wiphy, bss); 897 } else { 898 wil_err(wil, "cfg80211_inform_bss_frame() failed\n"); 899 } 900 } else { 901 mutex_lock(&wil->vif_mutex); 902 cfg80211_rx_mgmt(vif_to_radio_wdev(wil, vif), freq, signal, 903 (void *)rx_mgmt_frame, d_len, 0); 904 mutex_unlock(&wil->vif_mutex); 905 } 906 } 907 wmi_evt_tx_mgmt(struct wil6210_vif * vif,int id,void * d,int len)908 static void wmi_evt_tx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) 909 { 910 struct wmi_tx_mgmt_packet_event *data = d; 911 struct ieee80211_mgmt *mgmt_frame = 912 (struct ieee80211_mgmt *)data->payload; 913 int flen = len - offsetof(struct wmi_tx_mgmt_packet_event, payload); 914 915 wil_hex_dump_wmi("MGMT Tx ", DUMP_PREFIX_OFFSET, 16, 1, mgmt_frame, 916 flen, true); 917 } 918 wmi_evt_scan_complete(struct wil6210_vif * vif,int id,void * d,int len)919 static void wmi_evt_scan_complete(struct wil6210_vif *vif, int id, 920 void *d, int len) 921 { 922 struct wil6210_priv *wil = vif_to_wil(vif); 923 924 mutex_lock(&wil->vif_mutex); 925 if (vif->scan_request) { 926 struct wmi_scan_complete_event *data = d; 927 int status = le32_to_cpu(data->status); 928 struct cfg80211_scan_info info = { 929 .aborted = ((status != WMI_SCAN_SUCCESS) && 930 (status != WMI_SCAN_ABORT_REJECTED)), 931 }; 932 933 wil_dbg_wmi(wil, "SCAN_COMPLETE(0x%08x)\n", status); 934 wil_dbg_misc(wil, "Complete scan_request 0x%p aborted %d\n", 935 vif->scan_request, info.aborted); 936 del_timer_sync(&vif->scan_timer); 937 cfg80211_scan_done(vif->scan_request, &info); 938 if (vif->mid == 0) 939 wil->radio_wdev = wil->main_ndev->ieee80211_ptr; 940 vif->scan_request = NULL; 941 wake_up_interruptible(&wil->wq); 942 if (vif->p2p.pending_listen_wdev) { 943 wil_dbg_misc(wil, "Scheduling delayed listen\n"); 944 schedule_work(&vif->p2p.delayed_listen_work); 945 } 946 } else { 947 wil_err(wil, "SCAN_COMPLETE while not scanning\n"); 948 } 949 mutex_unlock(&wil->vif_mutex); 950 } 951 wmi_evt_connect(struct wil6210_vif * vif,int id,void * d,int len)952 static void wmi_evt_connect(struct wil6210_vif *vif, int id, void *d, int len) 953 { 954 struct wil6210_priv *wil = vif_to_wil(vif); 955 struct net_device *ndev = vif_to_ndev(vif); 956 struct wireless_dev *wdev = vif_to_wdev(vif); 957 struct wmi_connect_event *evt = d; 958 int ch; /* channel number */ 959 struct station_info *sinfo; 960 u8 *assoc_req_ie, *assoc_resp_ie; 961 size_t assoc_req_ielen, assoc_resp_ielen; 962 /* capinfo(u16) + listen_interval(u16) + IEs */ 963 const size_t assoc_req_ie_offset = sizeof(u16) * 2; 964 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */ 965 const size_t assoc_resp_ie_offset = sizeof(u16) * 3; 966 int rc; 967 968 if (len < sizeof(*evt)) { 969 wil_err(wil, "Connect event too short : %d bytes\n", len); 970 return; 971 } 972 if (len != sizeof(*evt) + evt->beacon_ie_len + evt->assoc_req_len + 973 evt->assoc_resp_len) { 974 wil_err(wil, 975 "Connect event corrupted : %d != %d + %d + %d + %d\n", 976 len, (int)sizeof(*evt), evt->beacon_ie_len, 977 evt->assoc_req_len, evt->assoc_resp_len); 978 return; 979 } 980 if (evt->cid >= wil->max_assoc_sta) { 981 wil_err(wil, "Connect CID invalid : %d\n", evt->cid); 982 return; 983 } 984 985 ch = evt->channel + 1; 986 wil_info(wil, "Connect %pM channel [%d] cid %d aid %d\n", 987 evt->bssid, ch, evt->cid, evt->aid); 988 wil_hex_dump_wmi("connect AI : ", DUMP_PREFIX_OFFSET, 16, 1, 989 evt->assoc_info, len - sizeof(*evt), true); 990 991 /* figure out IE's */ 992 assoc_req_ie = &evt->assoc_info[evt->beacon_ie_len + 993 assoc_req_ie_offset]; 994 assoc_req_ielen = evt->assoc_req_len - assoc_req_ie_offset; 995 if (evt->assoc_req_len <= assoc_req_ie_offset) { 996 assoc_req_ie = NULL; 997 assoc_req_ielen = 0; 998 } 999 1000 assoc_resp_ie = &evt->assoc_info[evt->beacon_ie_len + 1001 evt->assoc_req_len + 1002 assoc_resp_ie_offset]; 1003 assoc_resp_ielen = evt->assoc_resp_len - assoc_resp_ie_offset; 1004 if (evt->assoc_resp_len <= assoc_resp_ie_offset) { 1005 assoc_resp_ie = NULL; 1006 assoc_resp_ielen = 0; 1007 } 1008 1009 if (test_bit(wil_status_resetting, wil->status) || 1010 !test_bit(wil_status_fwready, wil->status)) { 1011 wil_err(wil, "status_resetting, cancel connect event, CID %d\n", 1012 evt->cid); 1013 /* no need for cleanup, wil_reset will do that */ 1014 return; 1015 } 1016 1017 mutex_lock(&wil->mutex); 1018 1019 if ((wdev->iftype == NL80211_IFTYPE_STATION) || 1020 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) { 1021 if (!test_bit(wil_vif_fwconnecting, vif->status)) { 1022 wil_err(wil, "Not in connecting state\n"); 1023 mutex_unlock(&wil->mutex); 1024 return; 1025 } 1026 del_timer_sync(&vif->connect_timer); 1027 } else if ((wdev->iftype == NL80211_IFTYPE_AP) || 1028 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) { 1029 if (wil->sta[evt->cid].status != wil_sta_unused) { 1030 wil_err(wil, "AP: Invalid status %d for CID %d\n", 1031 wil->sta[evt->cid].status, evt->cid); 1032 mutex_unlock(&wil->mutex); 1033 return; 1034 } 1035 } 1036 1037 ether_addr_copy(wil->sta[evt->cid].addr, evt->bssid); 1038 wil->sta[evt->cid].mid = vif->mid; 1039 wil->sta[evt->cid].status = wil_sta_conn_pending; 1040 1041 rc = wil_ring_init_tx(vif, evt->cid); 1042 if (rc) { 1043 wil_err(wil, "config tx vring failed for CID %d, rc (%d)\n", 1044 evt->cid, rc); 1045 wmi_disconnect_sta(vif, wil->sta[evt->cid].addr, 1046 WLAN_REASON_UNSPECIFIED, false); 1047 } else { 1048 wil_info(wil, "successful connection to CID %d\n", evt->cid); 1049 } 1050 1051 if ((wdev->iftype == NL80211_IFTYPE_STATION) || 1052 (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) { 1053 if (rc) { 1054 netif_carrier_off(ndev); 1055 wil6210_bus_request(wil, WIL_DEFAULT_BUS_REQUEST_KBPS); 1056 wil_err(wil, "cfg80211_connect_result with failure\n"); 1057 cfg80211_connect_result(ndev, evt->bssid, NULL, 0, 1058 NULL, 0, 1059 WLAN_STATUS_UNSPECIFIED_FAILURE, 1060 GFP_KERNEL); 1061 goto out; 1062 } else { 1063 struct wiphy *wiphy = wil_to_wiphy(wil); 1064 1065 cfg80211_ref_bss(wiphy, vif->bss); 1066 cfg80211_connect_bss(ndev, evt->bssid, vif->bss, 1067 assoc_req_ie, assoc_req_ielen, 1068 assoc_resp_ie, assoc_resp_ielen, 1069 WLAN_STATUS_SUCCESS, GFP_KERNEL, 1070 NL80211_TIMEOUT_UNSPECIFIED); 1071 } 1072 vif->bss = NULL; 1073 } else if ((wdev->iftype == NL80211_IFTYPE_AP) || 1074 (wdev->iftype == NL80211_IFTYPE_P2P_GO)) { 1075 1076 if (rc) { 1077 if (disable_ap_sme) 1078 /* notify new_sta has failed */ 1079 cfg80211_del_sta(ndev, evt->bssid, GFP_KERNEL); 1080 goto out; 1081 } 1082 1083 sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL); 1084 if (!sinfo) { 1085 rc = -ENOMEM; 1086 goto out; 1087 } 1088 1089 sinfo->generation = wil->sinfo_gen++; 1090 1091 if (assoc_req_ie) { 1092 sinfo->assoc_req_ies = assoc_req_ie; 1093 sinfo->assoc_req_ies_len = assoc_req_ielen; 1094 } 1095 1096 cfg80211_new_sta(ndev, evt->bssid, sinfo, GFP_KERNEL); 1097 1098 kfree(sinfo); 1099 } else { 1100 wil_err(wil, "unhandled iftype %d for CID %d\n", wdev->iftype, 1101 evt->cid); 1102 goto out; 1103 } 1104 1105 wil->sta[evt->cid].status = wil_sta_connected; 1106 wil->sta[evt->cid].aid = evt->aid; 1107 if (!test_and_set_bit(wil_vif_fwconnected, vif->status)) 1108 atomic_inc(&wil->connected_vifs); 1109 wil_update_net_queues_bh(wil, vif, NULL, false); 1110 1111 out: 1112 if (rc) { 1113 wil->sta[evt->cid].status = wil_sta_unused; 1114 wil->sta[evt->cid].mid = U8_MAX; 1115 } 1116 clear_bit(wil_vif_fwconnecting, vif->status); 1117 mutex_unlock(&wil->mutex); 1118 } 1119 wmi_evt_disconnect(struct wil6210_vif * vif,int id,void * d,int len)1120 static void wmi_evt_disconnect(struct wil6210_vif *vif, int id, 1121 void *d, int len) 1122 { 1123 struct wil6210_priv *wil = vif_to_wil(vif); 1124 struct wmi_disconnect_event *evt = d; 1125 u16 reason_code = le16_to_cpu(evt->protocol_reason_status); 1126 1127 wil_info(wil, "Disconnect %pM reason [proto %d wmi %d]\n", 1128 evt->bssid, reason_code, evt->disconnect_reason); 1129 1130 wil->sinfo_gen++; 1131 1132 if (test_bit(wil_status_resetting, wil->status) || 1133 !test_bit(wil_status_fwready, wil->status)) { 1134 wil_err(wil, "status_resetting, cancel disconnect event\n"); 1135 /* no need for cleanup, wil_reset will do that */ 1136 return; 1137 } 1138 1139 mutex_lock(&wil->mutex); 1140 wil6210_disconnect_complete(vif, evt->bssid, reason_code); 1141 if (disable_ap_sme) { 1142 struct wireless_dev *wdev = vif_to_wdev(vif); 1143 struct net_device *ndev = vif_to_ndev(vif); 1144 1145 /* disconnect event in disable_ap_sme mode means link loss */ 1146 switch (wdev->iftype) { 1147 /* AP-like interface */ 1148 case NL80211_IFTYPE_AP: 1149 case NL80211_IFTYPE_P2P_GO: 1150 /* notify hostapd about link loss */ 1151 cfg80211_cqm_pktloss_notify(ndev, evt->bssid, 0, 1152 GFP_KERNEL); 1153 break; 1154 default: 1155 break; 1156 } 1157 } 1158 mutex_unlock(&wil->mutex); 1159 } 1160 1161 /* 1162 * Firmware reports EAPOL frame using WME event. 1163 * Reconstruct Ethernet frame and deliver it via normal Rx 1164 */ wmi_evt_eapol_rx(struct wil6210_vif * vif,int id,void * d,int len)1165 static void wmi_evt_eapol_rx(struct wil6210_vif *vif, int id, void *d, int len) 1166 { 1167 struct wil6210_priv *wil = vif_to_wil(vif); 1168 struct net_device *ndev = vif_to_ndev(vif); 1169 struct wmi_eapol_rx_event *evt = d; 1170 u16 eapol_len = le16_to_cpu(evt->eapol_len); 1171 int sz = eapol_len + ETH_HLEN; 1172 struct sk_buff *skb; 1173 struct ethhdr *eth; 1174 int cid; 1175 struct wil_net_stats *stats = NULL; 1176 1177 wil_dbg_wmi(wil, "EAPOL len %d from %pM MID %d\n", eapol_len, 1178 evt->src_mac, vif->mid); 1179 1180 cid = wil_find_cid(wil, vif->mid, evt->src_mac); 1181 if (cid >= 0) 1182 stats = &wil->sta[cid].stats; 1183 1184 if (eapol_len > 196) { /* TODO: revisit size limit */ 1185 wil_err(wil, "EAPOL too large\n"); 1186 return; 1187 } 1188 1189 skb = alloc_skb(sz, GFP_KERNEL); 1190 if (!skb) { 1191 wil_err(wil, "Failed to allocate skb\n"); 1192 return; 1193 } 1194 1195 eth = skb_put(skb, ETH_HLEN); 1196 ether_addr_copy(eth->h_dest, ndev->dev_addr); 1197 ether_addr_copy(eth->h_source, evt->src_mac); 1198 eth->h_proto = cpu_to_be16(ETH_P_PAE); 1199 skb_put_data(skb, evt->eapol, eapol_len); 1200 skb->protocol = eth_type_trans(skb, ndev); 1201 if (likely(netif_rx(skb) == NET_RX_SUCCESS)) { 1202 ndev->stats.rx_packets++; 1203 ndev->stats.rx_bytes += sz; 1204 if (stats) { 1205 stats->rx_packets++; 1206 stats->rx_bytes += sz; 1207 } 1208 } else { 1209 ndev->stats.rx_dropped++; 1210 if (stats) 1211 stats->rx_dropped++; 1212 } 1213 } 1214 wmi_evt_ring_en(struct wil6210_vif * vif,int id,void * d,int len)1215 static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len) 1216 { 1217 struct wil6210_priv *wil = vif_to_wil(vif); 1218 struct wmi_ring_en_event *evt = d; 1219 u8 vri = evt->ring_index; 1220 struct wireless_dev *wdev = vif_to_wdev(vif); 1221 struct wil_sta_info *sta; 1222 u8 cid; 1223 struct key_params params; 1224 1225 wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid); 1226 1227 if (vri >= ARRAY_SIZE(wil->ring_tx)) { 1228 wil_err(wil, "Enable for invalid vring %d\n", vri); 1229 return; 1230 } 1231 1232 if (wdev->iftype != NL80211_IFTYPE_AP || !disable_ap_sme || 1233 test_bit(wil_vif_ft_roam, vif->status)) 1234 /* in AP mode with disable_ap_sme that is not FT, 1235 * this is done by wil_cfg80211_change_station() 1236 */ 1237 wil->ring_tx_data[vri].dot1x_open = true; 1238 if (vri == vif->bcast_ring) /* no BA for bcast */ 1239 return; 1240 1241 cid = wil->ring2cid_tid[vri][0]; 1242 if (!wil_cid_valid(wil, cid)) { 1243 wil_err(wil, "invalid cid %d for vring %d\n", cid, vri); 1244 return; 1245 } 1246 1247 /* In FT mode we get key but not store it as it is received 1248 * before WMI_CONNECT_EVENT received from FW. 1249 * wil_set_crypto_rx is called here to reset the security PN 1250 */ 1251 sta = &wil->sta[cid]; 1252 if (test_bit(wil_vif_ft_roam, vif->status)) { 1253 memset(¶ms, 0, sizeof(params)); 1254 wil_set_crypto_rx(0, WMI_KEY_USE_PAIRWISE, sta, ¶ms); 1255 if (wdev->iftype != NL80211_IFTYPE_AP) 1256 clear_bit(wil_vif_ft_roam, vif->status); 1257 } 1258 1259 if (agg_wsize >= 0) 1260 wil_addba_tx_request(wil, vri, agg_wsize); 1261 } 1262 wmi_evt_ba_status(struct wil6210_vif * vif,int id,void * d,int len)1263 static void wmi_evt_ba_status(struct wil6210_vif *vif, int id, 1264 void *d, int len) 1265 { 1266 struct wil6210_priv *wil = vif_to_wil(vif); 1267 struct wmi_ba_status_event *evt = d; 1268 struct wil_ring_tx_data *txdata; 1269 1270 wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n", 1271 evt->ringid, 1272 evt->status == WMI_BA_AGREED ? "OK" : "N/A", 1273 evt->agg_wsize, __le16_to_cpu(evt->ba_timeout), 1274 evt->amsdu ? "+" : "-"); 1275 1276 if (evt->ringid >= WIL6210_MAX_TX_RINGS) { 1277 wil_err(wil, "invalid ring id %d\n", evt->ringid); 1278 return; 1279 } 1280 1281 if (evt->status != WMI_BA_AGREED) { 1282 evt->ba_timeout = 0; 1283 evt->agg_wsize = 0; 1284 evt->amsdu = 0; 1285 } 1286 1287 txdata = &wil->ring_tx_data[evt->ringid]; 1288 1289 txdata->agg_timeout = le16_to_cpu(evt->ba_timeout); 1290 txdata->agg_wsize = evt->agg_wsize; 1291 txdata->agg_amsdu = evt->amsdu; 1292 txdata->addba_in_progress = false; 1293 } 1294 wmi_evt_addba_rx_req(struct wil6210_vif * vif,int id,void * d,int len)1295 static void wmi_evt_addba_rx_req(struct wil6210_vif *vif, int id, 1296 void *d, int len) 1297 { 1298 struct wil6210_priv *wil = vif_to_wil(vif); 1299 u8 cid, tid; 1300 struct wmi_rcp_addba_req_event *evt = d; 1301 1302 if (evt->cidxtid != CIDXTID_EXTENDED_CID_TID) { 1303 parse_cidxtid(evt->cidxtid, &cid, &tid); 1304 } else { 1305 cid = evt->cid; 1306 tid = evt->tid; 1307 } 1308 wil_addba_rx_request(wil, vif->mid, cid, tid, evt->dialog_token, 1309 evt->ba_param_set, evt->ba_timeout, 1310 evt->ba_seq_ctrl); 1311 } 1312 wmi_evt_delba(struct wil6210_vif * vif,int id,void * d,int len)1313 static void wmi_evt_delba(struct wil6210_vif *vif, int id, void *d, int len) 1314 __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) 1315 { 1316 struct wil6210_priv *wil = vif_to_wil(vif); 1317 struct wmi_delba_event *evt = d; 1318 u8 cid, tid; 1319 u16 reason = __le16_to_cpu(evt->reason); 1320 struct wil_sta_info *sta; 1321 struct wil_tid_ampdu_rx *r; 1322 1323 might_sleep(); 1324 1325 if (evt->cidxtid != CIDXTID_EXTENDED_CID_TID) { 1326 parse_cidxtid(evt->cidxtid, &cid, &tid); 1327 } else { 1328 cid = evt->cid; 1329 tid = evt->tid; 1330 } 1331 1332 if (!wil_cid_valid(wil, cid)) { 1333 wil_err(wil, "DELBA: Invalid CID %d\n", cid); 1334 return; 1335 } 1336 1337 wil_dbg_wmi(wil, "DELBA MID %d CID %d TID %d from %s reason %d\n", 1338 vif->mid, cid, tid, 1339 evt->from_initiator ? "originator" : "recipient", 1340 reason); 1341 if (!evt->from_initiator) { 1342 int i; 1343 /* find Tx vring it belongs to */ 1344 for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) { 1345 if (wil->ring2cid_tid[i][0] == cid && 1346 wil->ring2cid_tid[i][1] == tid) { 1347 struct wil_ring_tx_data *txdata = 1348 &wil->ring_tx_data[i]; 1349 1350 wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i); 1351 txdata->agg_timeout = 0; 1352 txdata->agg_wsize = 0; 1353 txdata->addba_in_progress = false; 1354 1355 break; /* max. 1 matching ring */ 1356 } 1357 } 1358 if (i >= ARRAY_SIZE(wil->ring2cid_tid)) 1359 wil_err(wil, "DELBA: unable to find Tx vring\n"); 1360 return; 1361 } 1362 1363 sta = &wil->sta[cid]; 1364 1365 spin_lock_bh(&sta->tid_rx_lock); 1366 1367 r = sta->tid_rx[tid]; 1368 sta->tid_rx[tid] = NULL; 1369 wil_tid_ampdu_rx_free(wil, r); 1370 1371 spin_unlock_bh(&sta->tid_rx_lock); 1372 } 1373 1374 static void wmi_evt_sched_scan_result(struct wil6210_vif * vif,int id,void * d,int len)1375 wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len) 1376 { 1377 struct wil6210_priv *wil = vif_to_wil(vif); 1378 struct wmi_sched_scan_result_event *data = d; 1379 struct wiphy *wiphy = wil_to_wiphy(wil); 1380 struct ieee80211_mgmt *rx_mgmt_frame = 1381 (struct ieee80211_mgmt *)data->payload; 1382 int flen = len - offsetof(struct wmi_sched_scan_result_event, payload); 1383 int ch_no; 1384 u32 freq; 1385 struct ieee80211_channel *channel; 1386 s32 signal; 1387 __le16 fc; 1388 u32 d_len; 1389 struct cfg80211_bss *bss; 1390 struct cfg80211_inform_bss bss_data = { 1391 .boottime_ns = ktime_to_ns(ktime_get_boottime()), 1392 }; 1393 1394 if (flen < 0) { 1395 wil_err(wil, "sched scan result event too short, len %d\n", 1396 len); 1397 return; 1398 } 1399 1400 d_len = le32_to_cpu(data->info.len); 1401 if (d_len != flen) { 1402 wil_err(wil, 1403 "sched scan result length mismatch, d_len %d should be %d\n", 1404 d_len, flen); 1405 return; 1406 } 1407 1408 fc = rx_mgmt_frame->frame_control; 1409 if (!ieee80211_is_probe_resp(fc)) { 1410 wil_err(wil, "sched scan result invalid frame, fc 0x%04x\n", 1411 fc); 1412 return; 1413 } 1414 1415 ch_no = data->info.channel + 1; 1416 freq = ieee80211_channel_to_frequency(ch_no, NL80211_BAND_60GHZ); 1417 channel = ieee80211_get_channel(wiphy, freq); 1418 if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) 1419 signal = 100 * data->info.rssi; 1420 else 1421 signal = data->info.sqi; 1422 1423 wil_dbg_wmi(wil, "sched scan result: channel %d MCS %s RSSI %d\n", 1424 data->info.channel, WIL_EXTENDED_MCS_CHECK(data->info.mcs), 1425 data->info.rssi); 1426 wil_dbg_wmi(wil, "len %d qid %d mid %d cid %d\n", 1427 d_len, data->info.qid, data->info.mid, data->info.cid); 1428 wil_hex_dump_wmi("PROBE ", DUMP_PREFIX_OFFSET, 16, 1, rx_mgmt_frame, 1429 d_len, true); 1430 1431 if (!channel) { 1432 wil_err(wil, "Frame on unsupported channel\n"); 1433 return; 1434 } 1435 1436 bss_data.signal = signal; 1437 bss_data.chan = channel; 1438 bss = cfg80211_inform_bss_frame_data(wiphy, &bss_data, rx_mgmt_frame, 1439 d_len, GFP_KERNEL); 1440 if (bss) { 1441 wil_dbg_wmi(wil, "Added BSS %pM\n", rx_mgmt_frame->bssid); 1442 cfg80211_put_bss(wiphy, bss); 1443 } else { 1444 wil_err(wil, "cfg80211_inform_bss_frame() failed\n"); 1445 } 1446 1447 cfg80211_sched_scan_results(wiphy, 0); 1448 } 1449 wil_link_stats_store_basic(struct wil6210_vif * vif,struct wmi_link_stats_basic * basic)1450 static void wil_link_stats_store_basic(struct wil6210_vif *vif, 1451 struct wmi_link_stats_basic *basic) 1452 { 1453 struct wil6210_priv *wil = vif_to_wil(vif); 1454 u8 cid = basic->cid; 1455 struct wil_sta_info *sta; 1456 1457 if (cid >= wil->max_assoc_sta) { 1458 wil_err(wil, "invalid cid %d\n", cid); 1459 return; 1460 } 1461 1462 sta = &wil->sta[cid]; 1463 sta->fw_stats_basic = *basic; 1464 } 1465 wil_link_stats_store_global(struct wil6210_vif * vif,struct wmi_link_stats_global * global)1466 static void wil_link_stats_store_global(struct wil6210_vif *vif, 1467 struct wmi_link_stats_global *global) 1468 { 1469 struct wil6210_priv *wil = vif_to_wil(vif); 1470 1471 wil->fw_stats_global.stats = *global; 1472 } 1473 wmi_link_stats_parse(struct wil6210_vif * vif,u64 tsf,bool has_next,void * payload,size_t payload_size)1474 static void wmi_link_stats_parse(struct wil6210_vif *vif, u64 tsf, 1475 bool has_next, void *payload, 1476 size_t payload_size) 1477 { 1478 struct wil6210_priv *wil = vif_to_wil(vif); 1479 size_t hdr_size = sizeof(struct wmi_link_stats_record); 1480 size_t stats_size, record_size, expected_size; 1481 struct wmi_link_stats_record *hdr; 1482 1483 if (payload_size < hdr_size) { 1484 wil_err(wil, "link stats wrong event size %zu\n", payload_size); 1485 return; 1486 } 1487 1488 while (payload_size >= hdr_size) { 1489 hdr = payload; 1490 stats_size = le16_to_cpu(hdr->record_size); 1491 record_size = hdr_size + stats_size; 1492 1493 if (payload_size < record_size) { 1494 wil_err(wil, "link stats payload ended unexpectedly, size %zu < %zu\n", 1495 payload_size, record_size); 1496 return; 1497 } 1498 1499 switch (hdr->record_type_id) { 1500 case WMI_LINK_STATS_TYPE_BASIC: 1501 expected_size = sizeof(struct wmi_link_stats_basic); 1502 if (stats_size < expected_size) { 1503 wil_err(wil, "link stats invalid basic record size %zu < %zu\n", 1504 stats_size, expected_size); 1505 return; 1506 } 1507 if (vif->fw_stats_ready) { 1508 /* clean old statistics */ 1509 vif->fw_stats_tsf = 0; 1510 vif->fw_stats_ready = false; 1511 } 1512 1513 wil_link_stats_store_basic(vif, payload + hdr_size); 1514 1515 if (!has_next) { 1516 vif->fw_stats_tsf = tsf; 1517 vif->fw_stats_ready = true; 1518 } 1519 1520 break; 1521 case WMI_LINK_STATS_TYPE_GLOBAL: 1522 expected_size = sizeof(struct wmi_link_stats_global); 1523 if (stats_size < sizeof(struct wmi_link_stats_global)) { 1524 wil_err(wil, "link stats invalid global record size %zu < %zu\n", 1525 stats_size, expected_size); 1526 return; 1527 } 1528 1529 if (wil->fw_stats_global.ready) { 1530 /* clean old statistics */ 1531 wil->fw_stats_global.tsf = 0; 1532 wil->fw_stats_global.ready = false; 1533 } 1534 1535 wil_link_stats_store_global(vif, payload + hdr_size); 1536 1537 if (!has_next) { 1538 wil->fw_stats_global.tsf = tsf; 1539 wil->fw_stats_global.ready = true; 1540 } 1541 1542 break; 1543 default: 1544 break; 1545 } 1546 1547 /* skip to next record */ 1548 payload += record_size; 1549 payload_size -= record_size; 1550 } 1551 } 1552 1553 static void wmi_evt_link_stats(struct wil6210_vif * vif,int id,void * d,int len)1554 wmi_evt_link_stats(struct wil6210_vif *vif, int id, void *d, int len) 1555 { 1556 struct wil6210_priv *wil = vif_to_wil(vif); 1557 struct wmi_link_stats_event *evt = d; 1558 size_t payload_size; 1559 1560 if (len < offsetof(struct wmi_link_stats_event, payload)) { 1561 wil_err(wil, "stats event way too short %d\n", len); 1562 return; 1563 } 1564 payload_size = le16_to_cpu(evt->payload_size); 1565 if (len < sizeof(struct wmi_link_stats_event) + payload_size) { 1566 wil_err(wil, "stats event too short %d\n", len); 1567 return; 1568 } 1569 1570 wmi_link_stats_parse(vif, le64_to_cpu(evt->tsf), evt->has_next, 1571 evt->payload, payload_size); 1572 } 1573 1574 /* find cid and ringid for the station vif 1575 * 1576 * return error, if other interfaces are used or ring was not found 1577 */ wil_find_cid_ringid_sta(struct wil6210_priv * wil,struct wil6210_vif * vif,int * cid,int * ringid)1578 static int wil_find_cid_ringid_sta(struct wil6210_priv *wil, 1579 struct wil6210_vif *vif, 1580 int *cid, 1581 int *ringid) 1582 { 1583 struct wil_ring *ring; 1584 struct wil_ring_tx_data *txdata; 1585 int min_ring_id = wil_get_min_tx_ring_id(wil); 1586 int i; 1587 u8 lcid; 1588 1589 if (!(vif->wdev.iftype == NL80211_IFTYPE_STATION || 1590 vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) { 1591 wil_err(wil, "invalid interface type %d\n", vif->wdev.iftype); 1592 return -EINVAL; 1593 } 1594 1595 /* In the STA mode, it is expected to have only one ring 1596 * for the AP we are connected to. 1597 * find it and return the cid associated with it. 1598 */ 1599 for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { 1600 ring = &wil->ring_tx[i]; 1601 txdata = &wil->ring_tx_data[i]; 1602 if (!ring->va || !txdata->enabled || txdata->mid != vif->mid) 1603 continue; 1604 1605 lcid = wil->ring2cid_tid[i][0]; 1606 if (lcid >= wil->max_assoc_sta) /* skip BCAST */ 1607 continue; 1608 1609 wil_dbg_wmi(wil, "find sta -> ringid %d cid %d\n", i, lcid); 1610 *cid = lcid; 1611 *ringid = i; 1612 return 0; 1613 } 1614 1615 wil_dbg_wmi(wil, "find sta cid while no rings active?\n"); 1616 1617 return -ENOENT; 1618 } 1619 1620 static void wmi_evt_auth_status(struct wil6210_vif * vif,int id,void * d,int len)1621 wmi_evt_auth_status(struct wil6210_vif *vif, int id, void *d, int len) 1622 { 1623 struct wil6210_priv *wil = vif_to_wil(vif); 1624 struct net_device *ndev = vif_to_ndev(vif); 1625 struct wmi_ft_auth_status_event *data = d; 1626 int ie_len = len - offsetof(struct wmi_ft_auth_status_event, ie_info); 1627 int rc, cid = 0, ringid = 0; 1628 struct cfg80211_ft_event_params ft; 1629 u16 d_len; 1630 /* auth_alg(u16) + auth_transaction(u16) + status_code(u16) */ 1631 const size_t auth_ie_offset = sizeof(u16) * 3; 1632 struct auth_no_hdr *auth = (struct auth_no_hdr *)data->ie_info; 1633 1634 /* check the status */ 1635 if (ie_len >= 0 && data->status != WMI_FW_STATUS_SUCCESS) { 1636 wil_err(wil, "FT: auth failed. status %d\n", data->status); 1637 goto fail; 1638 } 1639 1640 if (ie_len < auth_ie_offset) { 1641 wil_err(wil, "FT: auth event too short, len %d\n", len); 1642 goto fail; 1643 } 1644 1645 d_len = le16_to_cpu(data->ie_len); 1646 if (d_len != ie_len) { 1647 wil_err(wil, 1648 "FT: auth ie length mismatch, d_len %d should be %d\n", 1649 d_len, ie_len); 1650 goto fail; 1651 } 1652 1653 if (!test_bit(wil_vif_ft_roam, wil->status)) { 1654 wil_err(wil, "FT: Not in roaming state\n"); 1655 goto fail; 1656 } 1657 1658 if (le16_to_cpu(auth->auth_transaction) != 2) { 1659 wil_err(wil, "FT: auth error. auth_transaction %d\n", 1660 le16_to_cpu(auth->auth_transaction)); 1661 goto fail; 1662 } 1663 1664 if (le16_to_cpu(auth->auth_alg) != WLAN_AUTH_FT) { 1665 wil_err(wil, "FT: auth error. auth_alg %d\n", 1666 le16_to_cpu(auth->auth_alg)); 1667 goto fail; 1668 } 1669 1670 wil_dbg_wmi(wil, "FT: Auth to %pM successfully\n", data->mac_addr); 1671 wil_hex_dump_wmi("FT Auth ies : ", DUMP_PREFIX_OFFSET, 16, 1, 1672 data->ie_info, d_len, true); 1673 1674 /* find cid and ringid */ 1675 rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid); 1676 if (rc) { 1677 wil_err(wil, "No valid cid found\n"); 1678 goto fail; 1679 } 1680 1681 if (vif->privacy) { 1682 /* For secure assoc, remove old keys */ 1683 rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr, 1684 WMI_KEY_USE_PAIRWISE); 1685 if (rc) { 1686 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); 1687 goto fail; 1688 } 1689 rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr, 1690 WMI_KEY_USE_RX_GROUP); 1691 if (rc) { 1692 wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); 1693 goto fail; 1694 } 1695 } 1696 1697 memset(&ft, 0, sizeof(ft)); 1698 ft.ies = data->ie_info + auth_ie_offset; 1699 ft.ies_len = d_len - auth_ie_offset; 1700 ft.target_ap = data->mac_addr; 1701 cfg80211_ft_event(ndev, &ft); 1702 1703 return; 1704 1705 fail: 1706 wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID); 1707 } 1708 1709 static void wmi_evt_reassoc_status(struct wil6210_vif * vif,int id,void * d,int len)1710 wmi_evt_reassoc_status(struct wil6210_vif *vif, int id, void *d, int len) 1711 { 1712 struct wil6210_priv *wil = vif_to_wil(vif); 1713 struct net_device *ndev = vif_to_ndev(vif); 1714 struct wiphy *wiphy = wil_to_wiphy(wil); 1715 struct wmi_ft_reassoc_status_event *data = d; 1716 int ies_len = len - offsetof(struct wmi_ft_reassoc_status_event, 1717 ie_info); 1718 int rc = -ENOENT, cid = 0, ringid = 0; 1719 int ch; /* channel number (primary) */ 1720 size_t assoc_req_ie_len = 0, assoc_resp_ie_len = 0; 1721 u8 *assoc_req_ie = NULL, *assoc_resp_ie = NULL; 1722 /* capinfo(u16) + listen_interval(u16) + current_ap mac addr + IEs */ 1723 const size_t assoc_req_ie_offset = sizeof(u16) * 2 + ETH_ALEN; 1724 /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */ 1725 const size_t assoc_resp_ie_offset = sizeof(u16) * 3; 1726 u16 d_len; 1727 int freq; 1728 struct cfg80211_roam_info info; 1729 1730 if (ies_len < 0) { 1731 wil_err(wil, "ft reassoc event too short, len %d\n", len); 1732 goto fail; 1733 } 1734 1735 wil_dbg_wmi(wil, "Reasoc Status event: status=%d, aid=%d", 1736 data->status, data->aid); 1737 wil_dbg_wmi(wil, " mac_addr=%pM, beacon_ie_len=%d", 1738 data->mac_addr, data->beacon_ie_len); 1739 wil_dbg_wmi(wil, " reassoc_req_ie_len=%d, reassoc_resp_ie_len=%d", 1740 le16_to_cpu(data->reassoc_req_ie_len), 1741 le16_to_cpu(data->reassoc_resp_ie_len)); 1742 1743 d_len = le16_to_cpu(data->beacon_ie_len) + 1744 le16_to_cpu(data->reassoc_req_ie_len) + 1745 le16_to_cpu(data->reassoc_resp_ie_len); 1746 if (d_len != ies_len) { 1747 wil_err(wil, 1748 "ft reassoc ie length mismatch, d_len %d should be %d\n", 1749 d_len, ies_len); 1750 goto fail; 1751 } 1752 1753 /* check the status */ 1754 if (data->status != WMI_FW_STATUS_SUCCESS) { 1755 wil_err(wil, "ft reassoc failed. status %d\n", data->status); 1756 goto fail; 1757 } 1758 1759 /* find cid and ringid */ 1760 rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid); 1761 if (rc) { 1762 wil_err(wil, "No valid cid found\n"); 1763 goto fail; 1764 } 1765 1766 ch = data->channel + 1; 1767 wil_info(wil, "FT: Roam %pM channel [%d] cid %d aid %d\n", 1768 data->mac_addr, ch, cid, data->aid); 1769 1770 wil_hex_dump_wmi("reassoc AI : ", DUMP_PREFIX_OFFSET, 16, 1, 1771 data->ie_info, len - sizeof(*data), true); 1772 1773 /* figure out IE's */ 1774 if (le16_to_cpu(data->reassoc_req_ie_len) > assoc_req_ie_offset) { 1775 assoc_req_ie = &data->ie_info[assoc_req_ie_offset]; 1776 assoc_req_ie_len = le16_to_cpu(data->reassoc_req_ie_len) - 1777 assoc_req_ie_offset; 1778 } 1779 if (le16_to_cpu(data->reassoc_resp_ie_len) <= assoc_resp_ie_offset) { 1780 wil_err(wil, "FT: reassoc resp ie len is too short, len %d\n", 1781 le16_to_cpu(data->reassoc_resp_ie_len)); 1782 goto fail; 1783 } 1784 1785 assoc_resp_ie = &data->ie_info[le16_to_cpu(data->reassoc_req_ie_len) + 1786 assoc_resp_ie_offset]; 1787 assoc_resp_ie_len = le16_to_cpu(data->reassoc_resp_ie_len) - 1788 assoc_resp_ie_offset; 1789 1790 if (test_bit(wil_status_resetting, wil->status) || 1791 !test_bit(wil_status_fwready, wil->status)) { 1792 wil_err(wil, "FT: status_resetting, cancel reassoc event\n"); 1793 /* no need for cleanup, wil_reset will do that */ 1794 return; 1795 } 1796 1797 mutex_lock(&wil->mutex); 1798 1799 /* ring modify to set the ring for the roamed AP settings */ 1800 wil_dbg_wmi(wil, 1801 "ft modify tx config for connection CID %d ring %d\n", 1802 cid, ringid); 1803 1804 rc = wil->txrx_ops.tx_ring_modify(vif, ringid, cid, 0); 1805 if (rc) { 1806 wil_err(wil, "modify TX for CID %d MID %d ring %d failed (%d)\n", 1807 cid, vif->mid, ringid, rc); 1808 mutex_unlock(&wil->mutex); 1809 goto fail; 1810 } 1811 1812 /* Update the driver STA members with the new bss */ 1813 wil->sta[cid].aid = data->aid; 1814 wil->sta[cid].stats.ft_roams++; 1815 ether_addr_copy(wil->sta[cid].addr, vif->bss->bssid); 1816 mutex_unlock(&wil->mutex); 1817 del_timer_sync(&vif->connect_timer); 1818 1819 cfg80211_ref_bss(wiphy, vif->bss); 1820 freq = ieee80211_channel_to_frequency(ch, NL80211_BAND_60GHZ); 1821 1822 memset(&info, 0, sizeof(info)); 1823 info.links[0].channel = ieee80211_get_channel(wiphy, freq); 1824 info.links[0].bss = vif->bss; 1825 info.req_ie = assoc_req_ie; 1826 info.req_ie_len = assoc_req_ie_len; 1827 info.resp_ie = assoc_resp_ie; 1828 info.resp_ie_len = assoc_resp_ie_len; 1829 cfg80211_roamed(ndev, &info, GFP_KERNEL); 1830 vif->bss = NULL; 1831 1832 return; 1833 1834 fail: 1835 wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID); 1836 } 1837 1838 static void wmi_evt_link_monitor(struct wil6210_vif * vif,int id,void * d,int len)1839 wmi_evt_link_monitor(struct wil6210_vif *vif, int id, void *d, int len) 1840 { 1841 struct wil6210_priv *wil = vif_to_wil(vif); 1842 struct net_device *ndev = vif_to_ndev(vif); 1843 struct wmi_link_monitor_event *evt = d; 1844 enum nl80211_cqm_rssi_threshold_event event_type; 1845 1846 if (len < sizeof(*evt)) { 1847 wil_err(wil, "link monitor event too short %d\n", len); 1848 return; 1849 } 1850 1851 wil_dbg_wmi(wil, "link monitor event, type %d rssi %d (stored %d)\n", 1852 evt->type, evt->rssi_level, wil->cqm_rssi_thold); 1853 1854 if (evt->type != WMI_LINK_MONITOR_NOTIF_RSSI_THRESHOLD_EVT) 1855 /* ignore */ 1856 return; 1857 1858 event_type = (evt->rssi_level > wil->cqm_rssi_thold ? 1859 NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH : 1860 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW); 1861 cfg80211_cqm_rssi_notify(ndev, event_type, evt->rssi_level, GFP_KERNEL); 1862 } 1863 1864 /* Some events are ignored for purpose; and need not be interpreted as 1865 * "unhandled events" 1866 */ wmi_evt_ignore(struct wil6210_vif * vif,int id,void * d,int len)1867 static void wmi_evt_ignore(struct wil6210_vif *vif, int id, void *d, int len) 1868 { 1869 struct wil6210_priv *wil = vif_to_wil(vif); 1870 1871 wil_dbg_wmi(wil, "Ignore event 0x%04x len %d\n", id, len); 1872 } 1873 1874 static const struct { 1875 int eventid; 1876 void (*handler)(struct wil6210_vif *vif, 1877 int eventid, void *data, int data_len); 1878 } wmi_evt_handlers[] = { 1879 {WMI_READY_EVENTID, wmi_evt_ready}, 1880 {WMI_FW_READY_EVENTID, wmi_evt_ignore}, 1881 {WMI_RX_MGMT_PACKET_EVENTID, wmi_evt_rx_mgmt}, 1882 {WMI_TX_MGMT_PACKET_EVENTID, wmi_evt_tx_mgmt}, 1883 {WMI_SCAN_COMPLETE_EVENTID, wmi_evt_scan_complete}, 1884 {WMI_CONNECT_EVENTID, wmi_evt_connect}, 1885 {WMI_DISCONNECT_EVENTID, wmi_evt_disconnect}, 1886 {WMI_EAPOL_RX_EVENTID, wmi_evt_eapol_rx}, 1887 {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status}, 1888 {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req}, 1889 {WMI_DELBA_EVENTID, wmi_evt_delba}, 1890 {WMI_RING_EN_EVENTID, wmi_evt_ring_en}, 1891 {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, 1892 {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result}, 1893 {WMI_LINK_STATS_EVENTID, wmi_evt_link_stats}, 1894 {WMI_FT_AUTH_STATUS_EVENTID, wmi_evt_auth_status}, 1895 {WMI_FT_REASSOC_STATUS_EVENTID, wmi_evt_reassoc_status}, 1896 {WMI_LINK_MONITOR_EVENTID, wmi_evt_link_monitor}, 1897 }; 1898 1899 /* 1900 * Run in IRQ context 1901 * Extract WMI command from mailbox. Queue it to the @wil->pending_wmi_ev 1902 * that will be eventually handled by the @wmi_event_worker in the thread 1903 * context of thread "wil6210_wmi" 1904 */ wmi_recv_cmd(struct wil6210_priv * wil)1905 void wmi_recv_cmd(struct wil6210_priv *wil) 1906 { 1907 struct wil6210_mbox_ring_desc d_tail; 1908 struct wil6210_mbox_hdr hdr; 1909 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx; 1910 struct pending_wmi_event *evt; 1911 u8 *cmd; 1912 void __iomem *src; 1913 ulong flags; 1914 unsigned n; 1915 unsigned int num_immed_reply = 0; 1916 1917 if (!test_bit(wil_status_mbox_ready, wil->status)) { 1918 wil_err(wil, "Reset in progress. Cannot handle WMI event\n"); 1919 return; 1920 } 1921 1922 if (test_bit(wil_status_suspended, wil->status)) { 1923 wil_err(wil, "suspended. cannot handle WMI event\n"); 1924 return; 1925 } 1926 1927 for (n = 0;; n++) { 1928 u16 len; 1929 bool q; 1930 bool immed_reply = false; 1931 1932 r->head = wil_r(wil, RGF_MBOX + 1933 offsetof(struct wil6210_mbox_ctl, rx.head)); 1934 if (r->tail == r->head) 1935 break; 1936 1937 wil_dbg_wmi(wil, "Mbox head %08x tail %08x\n", 1938 r->head, r->tail); 1939 /* read cmd descriptor from tail */ 1940 wil_memcpy_fromio_32(&d_tail, wil->csr + HOSTADDR(r->tail), 1941 sizeof(struct wil6210_mbox_ring_desc)); 1942 if (d_tail.sync == 0) { 1943 wil_err(wil, "Mbox evt not owned by FW?\n"); 1944 break; 1945 } 1946 1947 /* read cmd header from descriptor */ 1948 if (0 != wmi_read_hdr(wil, d_tail.addr, &hdr)) { 1949 wil_err(wil, "Mbox evt at 0x%08x?\n", 1950 le32_to_cpu(d_tail.addr)); 1951 break; 1952 } 1953 len = le16_to_cpu(hdr.len); 1954 wil_dbg_wmi(wil, "Mbox evt %04x %04x %04x %02x\n", 1955 le16_to_cpu(hdr.seq), len, le16_to_cpu(hdr.type), 1956 hdr.flags); 1957 1958 /* read cmd buffer from descriptor */ 1959 src = wmi_buffer(wil, d_tail.addr) + 1960 sizeof(struct wil6210_mbox_hdr); 1961 evt = kmalloc(ALIGN(offsetof(struct pending_wmi_event, 1962 event.wmi) + len, 4), 1963 GFP_KERNEL); 1964 if (!evt) 1965 break; 1966 1967 evt->event.hdr = hdr; 1968 cmd = (void *)&evt->event.wmi; 1969 wil_memcpy_fromio_32(cmd, src, len); 1970 /* mark entry as empty */ 1971 wil_w(wil, r->tail + 1972 offsetof(struct wil6210_mbox_ring_desc, sync), 0); 1973 /* indicate */ 1974 if ((hdr.type == WIL_MBOX_HDR_TYPE_WMI) && 1975 (len >= sizeof(struct wmi_cmd_hdr))) { 1976 struct wmi_cmd_hdr *wmi = &evt->event.wmi; 1977 u16 id = le16_to_cpu(wmi->command_id); 1978 u8 mid = wmi->mid; 1979 u32 tstamp = le32_to_cpu(wmi->fw_timestamp); 1980 if (test_bit(wil_status_resuming, wil->status)) { 1981 if (id == WMI_TRAFFIC_RESUME_EVENTID) 1982 clear_bit(wil_status_resuming, 1983 wil->status); 1984 else 1985 wil_err(wil, 1986 "WMI evt %d while resuming\n", 1987 id); 1988 } 1989 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 1990 if (wil->reply_id && wil->reply_id == id && 1991 wil->reply_mid == mid) { 1992 if (wil->reply_buf) { 1993 memcpy(wil->reply_buf, wmi, 1994 min(len, wil->reply_size)); 1995 immed_reply = true; 1996 } 1997 if (id == WMI_TRAFFIC_SUSPEND_EVENTID) { 1998 wil_dbg_wmi(wil, 1999 "set suspend_resp_rcvd\n"); 2000 wil->suspend_resp_rcvd = true; 2001 } 2002 } 2003 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 2004 2005 wil_dbg_wmi(wil, "recv %s (0x%04x) MID %d @%d msec\n", 2006 eventid2name(id), id, wmi->mid, tstamp); 2007 trace_wil6210_wmi_event(wmi, &wmi[1], 2008 len - sizeof(*wmi)); 2009 } 2010 wil_hex_dump_wmi("evt ", DUMP_PREFIX_OFFSET, 16, 1, 2011 &evt->event.hdr, sizeof(hdr) + len, true); 2012 2013 /* advance tail */ 2014 r->tail = r->base + ((r->tail - r->base + 2015 sizeof(struct wil6210_mbox_ring_desc)) % r->size); 2016 wil_w(wil, RGF_MBOX + 2017 offsetof(struct wil6210_mbox_ctl, rx.tail), r->tail); 2018 2019 if (immed_reply) { 2020 wil_dbg_wmi(wil, "recv_cmd: Complete WMI 0x%04x\n", 2021 wil->reply_id); 2022 kfree(evt); 2023 num_immed_reply++; 2024 complete(&wil->wmi_call); 2025 } else { 2026 /* add to the pending list */ 2027 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 2028 list_add_tail(&evt->list, &wil->pending_wmi_ev); 2029 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 2030 q = queue_work(wil->wmi_wq, &wil->wmi_event_worker); 2031 wil_dbg_wmi(wil, "queue_work -> %d\n", q); 2032 } 2033 } 2034 /* normally, 1 event per IRQ should be processed */ 2035 wil_dbg_wmi(wil, "recv_cmd: -> %d events queued, %d completed\n", 2036 n - num_immed_reply, num_immed_reply); 2037 } 2038 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)2039 int wmi_call(struct wil6210_priv *wil, u16 cmdid, u8 mid, void *buf, u16 len, 2040 u16 reply_id, void *reply, u16 reply_size, int to_msec) 2041 { 2042 int rc; 2043 unsigned long remain; 2044 ulong flags; 2045 2046 mutex_lock(&wil->wmi_mutex); 2047 2048 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 2049 wil->reply_id = reply_id; 2050 wil->reply_mid = mid; 2051 wil->reply_buf = reply; 2052 wil->reply_size = reply_size; 2053 reinit_completion(&wil->wmi_call); 2054 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 2055 2056 rc = __wmi_send(wil, cmdid, mid, buf, len); 2057 if (rc) 2058 goto out; 2059 2060 remain = wait_for_completion_timeout(&wil->wmi_call, 2061 msecs_to_jiffies(to_msec)); 2062 if (0 == remain) { 2063 wil_err(wil, "wmi_call(0x%04x->0x%04x) timeout %d msec\n", 2064 cmdid, reply_id, to_msec); 2065 rc = -ETIME; 2066 } else { 2067 wil_dbg_wmi(wil, 2068 "wmi_call(0x%04x->0x%04x) completed in %d msec\n", 2069 cmdid, reply_id, 2070 to_msec - jiffies_to_msecs(remain)); 2071 } 2072 2073 out: 2074 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 2075 wil->reply_id = 0; 2076 wil->reply_mid = U8_MAX; 2077 wil->reply_buf = NULL; 2078 wil->reply_size = 0; 2079 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 2080 2081 mutex_unlock(&wil->wmi_mutex); 2082 2083 return rc; 2084 } 2085 wmi_echo(struct wil6210_priv * wil)2086 int wmi_echo(struct wil6210_priv *wil) 2087 { 2088 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2089 struct wmi_echo_cmd cmd = { 2090 .value = cpu_to_le32(0x12345678), 2091 }; 2092 2093 return wmi_call(wil, WMI_ECHO_CMDID, vif->mid, &cmd, sizeof(cmd), 2094 WMI_ECHO_RSP_EVENTID, NULL, 0, 2095 WIL_WMI_CALL_GENERAL_TO_MS); 2096 } 2097 wmi_set_mac_address(struct wil6210_priv * wil,const void * addr)2098 int wmi_set_mac_address(struct wil6210_priv *wil, const void *addr) 2099 { 2100 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2101 struct wmi_set_mac_address_cmd cmd; 2102 2103 ether_addr_copy(cmd.mac, addr); 2104 2105 wil_dbg_wmi(wil, "Set MAC %pM\n", addr); 2106 2107 return wmi_send(wil, WMI_SET_MAC_ADDRESS_CMDID, vif->mid, 2108 &cmd, sizeof(cmd)); 2109 } 2110 wmi_led_cfg(struct wil6210_priv * wil,bool enable)2111 int wmi_led_cfg(struct wil6210_priv *wil, bool enable) 2112 { 2113 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2114 int rc = 0; 2115 struct wmi_led_cfg_cmd cmd = { 2116 .led_mode = enable, 2117 .id = led_id, 2118 .slow_blink_cfg.blink_on = 2119 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].on_ms), 2120 .slow_blink_cfg.blink_off = 2121 cpu_to_le32(led_blink_time[WIL_LED_TIME_SLOW].off_ms), 2122 .medium_blink_cfg.blink_on = 2123 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].on_ms), 2124 .medium_blink_cfg.blink_off = 2125 cpu_to_le32(led_blink_time[WIL_LED_TIME_MED].off_ms), 2126 .fast_blink_cfg.blink_on = 2127 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].on_ms), 2128 .fast_blink_cfg.blink_off = 2129 cpu_to_le32(led_blink_time[WIL_LED_TIME_FAST].off_ms), 2130 .led_polarity = led_polarity, 2131 }; 2132 struct { 2133 struct wmi_cmd_hdr wmi; 2134 struct wmi_led_cfg_done_event evt; 2135 } __packed reply = { 2136 .evt = {.status = cpu_to_le32(WMI_FW_STATUS_FAILURE)}, 2137 }; 2138 2139 if (led_id == WIL_LED_INVALID_ID) 2140 goto out; 2141 2142 if (led_id > WIL_LED_MAX_ID) { 2143 wil_err(wil, "Invalid led id %d\n", led_id); 2144 rc = -EINVAL; 2145 goto out; 2146 } 2147 2148 wil_dbg_wmi(wil, 2149 "%s led %d\n", 2150 enable ? "enabling" : "disabling", led_id); 2151 2152 rc = wmi_call(wil, WMI_LED_CFG_CMDID, vif->mid, &cmd, sizeof(cmd), 2153 WMI_LED_CFG_DONE_EVENTID, &reply, sizeof(reply), 2154 WIL_WMI_CALL_GENERAL_TO_MS); 2155 if (rc) 2156 goto out; 2157 2158 if (reply.evt.status) { 2159 wil_err(wil, "led %d cfg failed with status %d\n", 2160 led_id, le32_to_cpu(reply.evt.status)); 2161 rc = -EINVAL; 2162 } 2163 2164 out: 2165 return rc; 2166 } 2167 wmi_rbufcap_cfg(struct wil6210_priv * wil,bool enable,u16 threshold)2168 int wmi_rbufcap_cfg(struct wil6210_priv *wil, bool enable, u16 threshold) 2169 { 2170 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2171 int rc; 2172 2173 struct wmi_rbufcap_cfg_cmd cmd = { 2174 .enable = enable, 2175 .rx_desc_threshold = cpu_to_le16(threshold), 2176 }; 2177 struct { 2178 struct wmi_cmd_hdr wmi; 2179 struct wmi_rbufcap_cfg_event evt; 2180 } __packed reply = { 2181 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2182 }; 2183 2184 rc = wmi_call(wil, WMI_RBUFCAP_CFG_CMDID, vif->mid, &cmd, sizeof(cmd), 2185 WMI_RBUFCAP_CFG_EVENTID, &reply, sizeof(reply), 2186 WIL_WMI_CALL_GENERAL_TO_MS); 2187 if (rc) 2188 return rc; 2189 2190 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 2191 wil_err(wil, "RBUFCAP_CFG failed. status %d\n", 2192 reply.evt.status); 2193 rc = -EINVAL; 2194 } 2195 2196 return rc; 2197 } 2198 wmi_pcp_start(struct wil6210_vif * vif,int bi,u8 wmi_nettype,u8 chan,u8 wmi_edmg_chan,u8 hidden_ssid,u8 is_go)2199 int wmi_pcp_start(struct wil6210_vif *vif, int bi, u8 wmi_nettype, 2200 u8 chan, u8 wmi_edmg_chan, u8 hidden_ssid, u8 is_go) 2201 { 2202 struct wil6210_priv *wil = vif_to_wil(vif); 2203 int rc; 2204 2205 struct wmi_pcp_start_cmd cmd = { 2206 .bcon_interval = cpu_to_le16(bi), 2207 .network_type = wmi_nettype, 2208 .disable_sec_offload = 1, 2209 .channel = chan - 1, 2210 .edmg_channel = wmi_edmg_chan, 2211 .pcp_max_assoc_sta = wil->max_assoc_sta, 2212 .hidden_ssid = hidden_ssid, 2213 .is_go = is_go, 2214 .ap_sme_offload_mode = disable_ap_sme ? 2215 WMI_AP_SME_OFFLOAD_PARTIAL : 2216 WMI_AP_SME_OFFLOAD_FULL, 2217 .abft_len = wil->abft_len, 2218 }; 2219 struct { 2220 struct wmi_cmd_hdr wmi; 2221 struct wmi_pcp_started_event evt; 2222 } __packed reply = { 2223 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2224 }; 2225 2226 if (!vif->privacy) 2227 cmd.disable_sec = 1; 2228 2229 if ((cmd.pcp_max_assoc_sta > WIL6210_MAX_CID) || 2230 (cmd.pcp_max_assoc_sta <= 0)) { 2231 wil_err(wil, "unexpected max_assoc_sta %d\n", 2232 cmd.pcp_max_assoc_sta); 2233 return -EOPNOTSUPP; 2234 } 2235 2236 if (disable_ap_sme && 2237 !test_bit(WMI_FW_CAPABILITY_AP_SME_OFFLOAD_PARTIAL, 2238 wil->fw_capabilities)) { 2239 wil_err(wil, "disable_ap_sme not supported by FW\n"); 2240 return -EOPNOTSUPP; 2241 } 2242 2243 /* 2244 * Processing time may be huge, in case of secure AP it takes about 2245 * 3500ms for FW to start AP 2246 */ 2247 rc = wmi_call(wil, WMI_PCP_START_CMDID, vif->mid, &cmd, sizeof(cmd), 2248 WMI_PCP_STARTED_EVENTID, &reply, sizeof(reply), 5000); 2249 if (rc) 2250 return rc; 2251 2252 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) 2253 rc = -EINVAL; 2254 2255 if (wmi_nettype != WMI_NETTYPE_P2P) 2256 /* Don't fail due to error in the led configuration */ 2257 wmi_led_cfg(wil, true); 2258 2259 return rc; 2260 } 2261 wmi_pcp_stop(struct wil6210_vif * vif)2262 int wmi_pcp_stop(struct wil6210_vif *vif) 2263 { 2264 struct wil6210_priv *wil = vif_to_wil(vif); 2265 int rc; 2266 2267 rc = wmi_led_cfg(wil, false); 2268 if (rc) 2269 return rc; 2270 2271 return wmi_call(wil, WMI_PCP_STOP_CMDID, vif->mid, NULL, 0, 2272 WMI_PCP_STOPPED_EVENTID, NULL, 0, 2273 WIL_WMI_PCP_STOP_TO_MS); 2274 } 2275 wmi_set_ssid(struct wil6210_vif * vif,u8 ssid_len,const void * ssid)2276 int wmi_set_ssid(struct wil6210_vif *vif, u8 ssid_len, const void *ssid) 2277 { 2278 struct wil6210_priv *wil = vif_to_wil(vif); 2279 struct wmi_set_ssid_cmd cmd = { 2280 .ssid_len = cpu_to_le32(ssid_len), 2281 }; 2282 2283 if (ssid_len > sizeof(cmd.ssid)) 2284 return -EINVAL; 2285 2286 memcpy(cmd.ssid, ssid, ssid_len); 2287 2288 return wmi_send(wil, WMI_SET_SSID_CMDID, vif->mid, &cmd, sizeof(cmd)); 2289 } 2290 wmi_get_ssid(struct wil6210_vif * vif,u8 * ssid_len,void * ssid)2291 int wmi_get_ssid(struct wil6210_vif *vif, u8 *ssid_len, void *ssid) 2292 { 2293 struct wil6210_priv *wil = vif_to_wil(vif); 2294 int rc; 2295 struct { 2296 struct wmi_cmd_hdr wmi; 2297 struct wmi_set_ssid_cmd cmd; 2298 } __packed reply; 2299 int len; /* reply.cmd.ssid_len in CPU order */ 2300 2301 memset(&reply, 0, sizeof(reply)); 2302 2303 rc = wmi_call(wil, WMI_GET_SSID_CMDID, vif->mid, NULL, 0, 2304 WMI_GET_SSID_EVENTID, &reply, sizeof(reply), 2305 WIL_WMI_CALL_GENERAL_TO_MS); 2306 if (rc) 2307 return rc; 2308 2309 len = le32_to_cpu(reply.cmd.ssid_len); 2310 if (len > sizeof(reply.cmd.ssid)) 2311 return -EINVAL; 2312 2313 *ssid_len = len; 2314 memcpy(ssid, reply.cmd.ssid, len); 2315 2316 return 0; 2317 } 2318 wmi_set_channel(struct wil6210_priv * wil,int channel)2319 int wmi_set_channel(struct wil6210_priv *wil, int channel) 2320 { 2321 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2322 struct wmi_set_pcp_channel_cmd cmd = { 2323 .channel = channel - 1, 2324 }; 2325 2326 return wmi_send(wil, WMI_SET_PCP_CHANNEL_CMDID, vif->mid, 2327 &cmd, sizeof(cmd)); 2328 } 2329 wmi_get_channel(struct wil6210_priv * wil,int * channel)2330 int wmi_get_channel(struct wil6210_priv *wil, int *channel) 2331 { 2332 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2333 int rc; 2334 struct { 2335 struct wmi_cmd_hdr wmi; 2336 struct wmi_set_pcp_channel_cmd cmd; 2337 } __packed reply; 2338 2339 memset(&reply, 0, sizeof(reply)); 2340 2341 rc = wmi_call(wil, WMI_GET_PCP_CHANNEL_CMDID, vif->mid, NULL, 0, 2342 WMI_GET_PCP_CHANNEL_EVENTID, &reply, sizeof(reply), 2343 WIL_WMI_CALL_GENERAL_TO_MS); 2344 if (rc) 2345 return rc; 2346 2347 if (reply.cmd.channel > 3) 2348 return -EINVAL; 2349 2350 *channel = reply.cmd.channel + 1; 2351 2352 return 0; 2353 } 2354 wmi_p2p_cfg(struct wil6210_vif * vif,int channel,int bi)2355 int wmi_p2p_cfg(struct wil6210_vif *vif, int channel, int bi) 2356 { 2357 struct wil6210_priv *wil = vif_to_wil(vif); 2358 int rc; 2359 struct wmi_p2p_cfg_cmd cmd = { 2360 .discovery_mode = WMI_DISCOVERY_MODE_PEER2PEER, 2361 .bcon_interval = cpu_to_le16(bi), 2362 .channel = channel - 1, 2363 }; 2364 struct { 2365 struct wmi_cmd_hdr wmi; 2366 struct wmi_p2p_cfg_done_event evt; 2367 } __packed reply = { 2368 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2369 }; 2370 2371 wil_dbg_wmi(wil, "sending WMI_P2P_CFG_CMDID\n"); 2372 2373 rc = wmi_call(wil, WMI_P2P_CFG_CMDID, vif->mid, &cmd, sizeof(cmd), 2374 WMI_P2P_CFG_DONE_EVENTID, &reply, sizeof(reply), 300); 2375 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) { 2376 wil_err(wil, "P2P_CFG failed. status %d\n", reply.evt.status); 2377 rc = -EINVAL; 2378 } 2379 2380 return rc; 2381 } 2382 wmi_start_listen(struct wil6210_vif * vif)2383 int wmi_start_listen(struct wil6210_vif *vif) 2384 { 2385 struct wil6210_priv *wil = vif_to_wil(vif); 2386 int rc; 2387 struct { 2388 struct wmi_cmd_hdr wmi; 2389 struct wmi_listen_started_event evt; 2390 } __packed reply = { 2391 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2392 }; 2393 2394 wil_dbg_wmi(wil, "sending WMI_START_LISTEN_CMDID\n"); 2395 2396 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0, 2397 WMI_LISTEN_STARTED_EVENTID, &reply, sizeof(reply), 300); 2398 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) { 2399 wil_err(wil, "device failed to start listen. status %d\n", 2400 reply.evt.status); 2401 rc = -EINVAL; 2402 } 2403 2404 return rc; 2405 } 2406 wmi_start_search(struct wil6210_vif * vif)2407 int wmi_start_search(struct wil6210_vif *vif) 2408 { 2409 struct wil6210_priv *wil = vif_to_wil(vif); 2410 int rc; 2411 struct { 2412 struct wmi_cmd_hdr wmi; 2413 struct wmi_search_started_event evt; 2414 } __packed reply = { 2415 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2416 }; 2417 2418 wil_dbg_wmi(wil, "sending WMI_START_SEARCH_CMDID\n"); 2419 2420 rc = wmi_call(wil, WMI_START_SEARCH_CMDID, vif->mid, NULL, 0, 2421 WMI_SEARCH_STARTED_EVENTID, &reply, sizeof(reply), 300); 2422 if (!rc && reply.evt.status != WMI_FW_STATUS_SUCCESS) { 2423 wil_err(wil, "device failed to start search. status %d\n", 2424 reply.evt.status); 2425 rc = -EINVAL; 2426 } 2427 2428 return rc; 2429 } 2430 wmi_stop_discovery(struct wil6210_vif * vif)2431 int wmi_stop_discovery(struct wil6210_vif *vif) 2432 { 2433 struct wil6210_priv *wil = vif_to_wil(vif); 2434 int rc; 2435 2436 wil_dbg_wmi(wil, "sending WMI_DISCOVERY_STOP_CMDID\n"); 2437 2438 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0, 2439 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 2440 WIL_WMI_CALL_GENERAL_TO_MS); 2441 2442 if (rc) 2443 wil_err(wil, "Failed to stop discovery\n"); 2444 2445 return rc; 2446 } 2447 wmi_del_cipher_key(struct wil6210_vif * vif,u8 key_index,const void * mac_addr,int key_usage)2448 int wmi_del_cipher_key(struct wil6210_vif *vif, u8 key_index, 2449 const void *mac_addr, int key_usage) 2450 { 2451 struct wil6210_priv *wil = vif_to_wil(vif); 2452 struct wmi_delete_cipher_key_cmd cmd = { 2453 .key_index = key_index, 2454 }; 2455 2456 if (mac_addr) 2457 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN); 2458 2459 return wmi_send(wil, WMI_DELETE_CIPHER_KEY_CMDID, vif->mid, 2460 &cmd, sizeof(cmd)); 2461 } 2462 wmi_add_cipher_key(struct wil6210_vif * vif,u8 key_index,const void * mac_addr,int key_len,const void * key,int key_usage)2463 int wmi_add_cipher_key(struct wil6210_vif *vif, u8 key_index, 2464 const void *mac_addr, int key_len, const void *key, 2465 int key_usage) 2466 { 2467 struct wil6210_priv *wil = vif_to_wil(vif); 2468 struct wmi_add_cipher_key_cmd cmd = { 2469 .key_index = key_index, 2470 .key_usage = key_usage, 2471 .key_len = key_len, 2472 }; 2473 2474 if (key_len > sizeof(cmd.key)) 2475 return -EINVAL; 2476 2477 /* key len = 0 is allowed only for usage of WMI_KEY_USE_APPLY */ 2478 if ((key_len == 0 || !key) && 2479 key_usage != WMI_KEY_USE_APPLY_PTK) 2480 return -EINVAL; 2481 2482 if (key) 2483 memcpy(cmd.key, key, key_len); 2484 2485 if (mac_addr) 2486 memcpy(cmd.mac, mac_addr, WMI_MAC_LEN); 2487 2488 return wmi_send(wil, WMI_ADD_CIPHER_KEY_CMDID, vif->mid, 2489 &cmd, sizeof(cmd)); 2490 } 2491 wmi_set_ie(struct wil6210_vif * vif,u8 type,u16 ie_len,const void * ie)2492 int wmi_set_ie(struct wil6210_vif *vif, u8 type, u16 ie_len, const void *ie) 2493 { 2494 struct wil6210_priv *wil = vif_to_wil(vif); 2495 static const char *const names[] = { 2496 [WMI_FRAME_BEACON] = "BEACON", 2497 [WMI_FRAME_PROBE_REQ] = "PROBE_REQ", 2498 [WMI_FRAME_PROBE_RESP] = "WMI_FRAME_PROBE_RESP", 2499 [WMI_FRAME_ASSOC_REQ] = "WMI_FRAME_ASSOC_REQ", 2500 [WMI_FRAME_ASSOC_RESP] = "WMI_FRAME_ASSOC_RESP", 2501 }; 2502 int rc; 2503 u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len; 2504 struct wmi_set_appie_cmd *cmd; 2505 2506 if (len < ie_len) { 2507 rc = -EINVAL; 2508 goto out; 2509 } 2510 2511 cmd = kzalloc(len, GFP_KERNEL); 2512 if (!cmd) { 2513 rc = -ENOMEM; 2514 goto out; 2515 } 2516 if (!ie) 2517 ie_len = 0; 2518 2519 cmd->mgmt_frm_type = type; 2520 /* BUG: FW API define ieLen as u8. Will fix FW */ 2521 cmd->ie_len = cpu_to_le16(ie_len); 2522 if (ie_len) 2523 memcpy(cmd->ie_info, ie, ie_len); 2524 rc = wmi_send(wil, WMI_SET_APPIE_CMDID, vif->mid, cmd, len); 2525 kfree(cmd); 2526 out: 2527 if (rc) { 2528 const char *name = type < ARRAY_SIZE(names) ? 2529 names[type] : "??"; 2530 wil_err(wil, "set_ie(%d %s) failed : %d\n", type, name, rc); 2531 } 2532 2533 return rc; 2534 } 2535 wmi_update_ft_ies(struct wil6210_vif * vif,u16 ie_len,const void * ie)2536 int wmi_update_ft_ies(struct wil6210_vif *vif, u16 ie_len, const void *ie) 2537 { 2538 struct wil6210_priv *wil = vif_to_wil(vif); 2539 u16 len; 2540 struct wmi_update_ft_ies_cmd *cmd; 2541 int rc; 2542 2543 if (!ie) 2544 ie_len = 0; 2545 2546 len = sizeof(struct wmi_update_ft_ies_cmd) + ie_len; 2547 if (len < ie_len) { 2548 wil_err(wil, "wraparound. ie len %d\n", ie_len); 2549 return -EINVAL; 2550 } 2551 2552 cmd = kzalloc(len, GFP_KERNEL); 2553 if (!cmd) { 2554 rc = -ENOMEM; 2555 goto out; 2556 } 2557 2558 cmd->ie_len = cpu_to_le16(ie_len); 2559 if (ie_len) 2560 memcpy(cmd->ie_info, ie, ie_len); 2561 rc = wmi_send(wil, WMI_UPDATE_FT_IES_CMDID, vif->mid, cmd, len); 2562 kfree(cmd); 2563 2564 out: 2565 if (rc) 2566 wil_err(wil, "update ft ies failed : %d\n", rc); 2567 2568 return rc; 2569 } 2570 2571 /** 2572 * wmi_rxon - turn radio on/off 2573 * @wil: driver data 2574 * @on: turn on if true, off otherwise 2575 * 2576 * Only switch radio. Channel should be set separately. 2577 * No timeout for rxon - radio turned on forever unless some other call 2578 * turns it off 2579 */ wmi_rxon(struct wil6210_priv * wil,bool on)2580 int wmi_rxon(struct wil6210_priv *wil, bool on) 2581 { 2582 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2583 int rc; 2584 struct { 2585 struct wmi_cmd_hdr wmi; 2586 struct wmi_listen_started_event evt; 2587 } __packed reply = { 2588 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2589 }; 2590 2591 wil_info(wil, "(%s)\n", on ? "on" : "off"); 2592 2593 if (on) { 2594 rc = wmi_call(wil, WMI_START_LISTEN_CMDID, vif->mid, NULL, 0, 2595 WMI_LISTEN_STARTED_EVENTID, 2596 &reply, sizeof(reply), 2597 WIL_WMI_CALL_GENERAL_TO_MS); 2598 if ((rc == 0) && (reply.evt.status != WMI_FW_STATUS_SUCCESS)) 2599 rc = -EINVAL; 2600 } else { 2601 rc = wmi_call(wil, WMI_DISCOVERY_STOP_CMDID, vif->mid, NULL, 0, 2602 WMI_DISCOVERY_STOPPED_EVENTID, NULL, 0, 2603 WIL_WMI_CALL_GENERAL_TO_MS); 2604 } 2605 2606 return rc; 2607 } 2608 wmi_rx_chain_add(struct wil6210_priv * wil,struct wil_ring * vring)2609 int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring) 2610 { 2611 struct net_device *ndev = wil->main_ndev; 2612 struct wireless_dev *wdev = ndev->ieee80211_ptr; 2613 struct wil6210_vif *vif = ndev_to_vif(ndev); 2614 struct wmi_cfg_rx_chain_cmd cmd = { 2615 .action = WMI_RX_CHAIN_ADD, 2616 .rx_sw_ring = { 2617 .max_mpdu_size = cpu_to_le16( 2618 wil_mtu2macbuf(wil->rx_buf_len)), 2619 .ring_mem_base = cpu_to_le64(vring->pa), 2620 .ring_size = cpu_to_le16(vring->size), 2621 }, 2622 .mid = 0, /* TODO - what is it? */ 2623 .decap_trans_type = WMI_DECAP_TYPE_802_3, 2624 .reorder_type = WMI_RX_SW_REORDER, 2625 .host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh), 2626 }; 2627 struct { 2628 struct wmi_cmd_hdr wmi; 2629 struct wmi_cfg_rx_chain_done_event evt; 2630 } __packed evt; 2631 int rc; 2632 2633 memset(&evt, 0, sizeof(evt)); 2634 2635 if (wdev->iftype == NL80211_IFTYPE_MONITOR) { 2636 struct ieee80211_channel *ch = wil->monitor_chandef.chan; 2637 2638 cmd.sniffer_cfg.mode = cpu_to_le32(WMI_SNIFFER_ON); 2639 if (ch) 2640 cmd.sniffer_cfg.channel = ch->hw_value - 1; 2641 cmd.sniffer_cfg.phy_info_mode = 2642 cpu_to_le32(WMI_SNIFFER_PHY_INFO_DISABLED); 2643 cmd.sniffer_cfg.phy_support = 2644 cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL) 2645 ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS); 2646 } else { 2647 /* Initialize offload (in non-sniffer mode). 2648 * Linux IP stack always calculates IP checksum 2649 * HW always calculate TCP/UDP checksum 2650 */ 2651 cmd.l3_l4_ctrl |= (1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS); 2652 } 2653 2654 if (rx_align_2) 2655 cmd.l2_802_3_offload_ctrl |= 2656 L2_802_3_OFFLOAD_CTRL_SNAP_KEEP_MSK; 2657 2658 /* typical time for secure PCP is 840ms */ 2659 rc = wmi_call(wil, WMI_CFG_RX_CHAIN_CMDID, vif->mid, &cmd, sizeof(cmd), 2660 WMI_CFG_RX_CHAIN_DONE_EVENTID, &evt, sizeof(evt), 2000); 2661 if (rc) 2662 return rc; 2663 2664 if (le32_to_cpu(evt.evt.status) != WMI_CFG_RX_CHAIN_SUCCESS) 2665 rc = -EINVAL; 2666 2667 vring->hwtail = le32_to_cpu(evt.evt.rx_ring_tail_ptr); 2668 2669 wil_dbg_misc(wil, "Rx init: status %d tail 0x%08x\n", 2670 le32_to_cpu(evt.evt.status), vring->hwtail); 2671 2672 return rc; 2673 } 2674 wmi_get_temperature(struct wil6210_priv * wil,u32 * t_bb,u32 * t_rf)2675 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf) 2676 { 2677 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2678 int rc; 2679 struct wmi_temp_sense_cmd cmd = { 2680 .measure_baseband_en = cpu_to_le32(!!t_bb), 2681 .measure_rf_en = cpu_to_le32(!!t_rf), 2682 .measure_mode = cpu_to_le32(TEMPERATURE_MEASURE_NOW), 2683 }; 2684 struct { 2685 struct wmi_cmd_hdr wmi; 2686 struct wmi_temp_sense_done_event evt; 2687 } __packed reply; 2688 2689 memset(&reply, 0, sizeof(reply)); 2690 2691 rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, vif->mid, &cmd, sizeof(cmd), 2692 WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 2693 WIL_WMI_CALL_GENERAL_TO_MS); 2694 if (rc) 2695 return rc; 2696 2697 if (t_bb) 2698 *t_bb = le32_to_cpu(reply.evt.baseband_t1000); 2699 if (t_rf) 2700 *t_rf = le32_to_cpu(reply.evt.rf_t1000); 2701 2702 return 0; 2703 } 2704 wmi_get_all_temperatures(struct wil6210_priv * wil,struct wmi_temp_sense_all_done_event * sense_all_evt)2705 int wmi_get_all_temperatures(struct wil6210_priv *wil, 2706 struct wmi_temp_sense_all_done_event 2707 *sense_all_evt) 2708 { 2709 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2710 int rc; 2711 struct wmi_temp_sense_all_cmd cmd = { 2712 .measure_baseband_en = true, 2713 .measure_rf_en = true, 2714 .measure_mode = TEMPERATURE_MEASURE_NOW, 2715 }; 2716 struct { 2717 struct wmi_cmd_hdr wmi; 2718 struct wmi_temp_sense_all_done_event evt; 2719 } __packed reply; 2720 2721 if (!sense_all_evt) { 2722 wil_err(wil, "Invalid sense_all_evt value\n"); 2723 return -EINVAL; 2724 } 2725 2726 memset(&reply, 0, sizeof(reply)); 2727 reply.evt.status = WMI_FW_STATUS_FAILURE; 2728 rc = wmi_call(wil, WMI_TEMP_SENSE_ALL_CMDID, vif->mid, &cmd, 2729 sizeof(cmd), WMI_TEMP_SENSE_ALL_DONE_EVENTID, 2730 &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 2731 if (rc) 2732 return rc; 2733 2734 if (reply.evt.status == WMI_FW_STATUS_FAILURE) { 2735 wil_err(wil, "Failed getting TEMP_SENSE_ALL\n"); 2736 return -EINVAL; 2737 } 2738 2739 memcpy(sense_all_evt, &reply.evt, sizeof(reply.evt)); 2740 return 0; 2741 } 2742 wmi_disconnect_sta(struct wil6210_vif * vif,const u8 * mac,u16 reason,bool del_sta)2743 int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, u16 reason, 2744 bool del_sta) 2745 { 2746 struct wil6210_priv *wil = vif_to_wil(vif); 2747 int rc; 2748 struct wmi_disconnect_sta_cmd disc_sta_cmd = { 2749 .disconnect_reason = cpu_to_le16(reason), 2750 }; 2751 struct wmi_del_sta_cmd del_sta_cmd = { 2752 .disconnect_reason = cpu_to_le16(reason), 2753 }; 2754 struct { 2755 struct wmi_cmd_hdr wmi; 2756 struct wmi_disconnect_event evt; 2757 } __packed reply; 2758 2759 wil_dbg_wmi(wil, "disconnect_sta: (%pM, reason %d)\n", mac, reason); 2760 2761 memset(&reply, 0, sizeof(reply)); 2762 vif->locally_generated_disc = true; 2763 if (del_sta) { 2764 ether_addr_copy(del_sta_cmd.dst_mac, mac); 2765 rc = wmi_call(wil, WMI_DEL_STA_CMDID, vif->mid, &del_sta_cmd, 2766 sizeof(del_sta_cmd), WMI_DISCONNECT_EVENTID, 2767 &reply, sizeof(reply), 1000); 2768 } else { 2769 ether_addr_copy(disc_sta_cmd.dst_mac, mac); 2770 rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, vif->mid, 2771 &disc_sta_cmd, sizeof(disc_sta_cmd), 2772 WMI_DISCONNECT_EVENTID, 2773 &reply, sizeof(reply), 1000); 2774 } 2775 /* failure to disconnect in reasonable time treated as FW error */ 2776 if (rc) { 2777 wil_fw_error_recovery(wil); 2778 return rc; 2779 } 2780 wil->sinfo_gen++; 2781 2782 return 0; 2783 } 2784 wmi_addba(struct wil6210_priv * wil,u8 mid,u8 ringid,u8 size,u16 timeout)2785 int wmi_addba(struct wil6210_priv *wil, u8 mid, 2786 u8 ringid, u8 size, u16 timeout) 2787 { 2788 u8 amsdu = wil->use_enhanced_dma_hw && wil->use_rx_hw_reordering && 2789 test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) && 2790 wil->amsdu_en; 2791 struct wmi_ring_ba_en_cmd cmd = { 2792 .ring_id = ringid, 2793 .agg_max_wsize = size, 2794 .ba_timeout = cpu_to_le16(timeout), 2795 .amsdu = amsdu, 2796 }; 2797 2798 wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d amsdu %d)\n", 2799 ringid, size, timeout, amsdu); 2800 2801 return wmi_send(wil, WMI_RING_BA_EN_CMDID, mid, &cmd, sizeof(cmd)); 2802 } 2803 wmi_delba_tx(struct wil6210_priv * wil,u8 mid,u8 ringid,u16 reason)2804 int wmi_delba_tx(struct wil6210_priv *wil, u8 mid, u8 ringid, u16 reason) 2805 { 2806 struct wmi_ring_ba_dis_cmd cmd = { 2807 .ring_id = ringid, 2808 .reason = cpu_to_le16(reason), 2809 }; 2810 2811 wil_dbg_wmi(wil, "delba_tx: (ring %d reason %d)\n", ringid, reason); 2812 2813 return wmi_send(wil, WMI_RING_BA_DIS_CMDID, mid, &cmd, sizeof(cmd)); 2814 } 2815 wmi_delba_rx(struct wil6210_priv * wil,u8 mid,u8 cid,u8 tid,u16 reason)2816 int wmi_delba_rx(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, u16 reason) 2817 { 2818 struct wmi_rcp_delba_cmd cmd = { 2819 .reason = cpu_to_le16(reason), 2820 }; 2821 2822 if (cid >= WIL6210_RX_DESC_MAX_CID) { 2823 cmd.cidxtid = CIDXTID_EXTENDED_CID_TID; 2824 cmd.cid = cid; 2825 cmd.tid = tid; 2826 } else { 2827 cmd.cidxtid = mk_cidxtid(cid, tid); 2828 } 2829 2830 wil_dbg_wmi(wil, "delba_rx: (CID %d TID %d reason %d)\n", cid, 2831 tid, reason); 2832 2833 return wmi_send(wil, WMI_RCP_DELBA_CMDID, mid, &cmd, sizeof(cmd)); 2834 } 2835 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)2836 int wmi_addba_rx_resp(struct wil6210_priv *wil, 2837 u8 mid, u8 cid, u8 tid, u8 token, 2838 u16 status, bool amsdu, u16 agg_wsize, u16 timeout) 2839 { 2840 int rc; 2841 struct wmi_rcp_addba_resp_cmd cmd = { 2842 .dialog_token = token, 2843 .status_code = cpu_to_le16(status), 2844 /* bit 0: A-MSDU supported 2845 * bit 1: policy (controlled by FW) 2846 * bits 2..5: TID 2847 * bits 6..15: buffer size 2848 */ 2849 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) | 2850 (agg_wsize << 6)), 2851 .ba_timeout = cpu_to_le16(timeout), 2852 }; 2853 struct { 2854 struct wmi_cmd_hdr wmi; 2855 struct wmi_rcp_addba_resp_sent_event evt; 2856 } __packed reply = { 2857 .evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)}, 2858 }; 2859 2860 if (cid >= WIL6210_RX_DESC_MAX_CID) { 2861 cmd.cidxtid = CIDXTID_EXTENDED_CID_TID; 2862 cmd.cid = cid; 2863 cmd.tid = tid; 2864 } else { 2865 cmd.cidxtid = mk_cidxtid(cid, tid); 2866 } 2867 2868 wil_dbg_wmi(wil, 2869 "ADDBA response for MID %d CID %d TID %d size %d timeout %d status %d AMSDU%s\n", 2870 mid, cid, tid, agg_wsize, 2871 timeout, status, amsdu ? "+" : "-"); 2872 2873 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_CMDID, mid, &cmd, sizeof(cmd), 2874 WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, sizeof(reply), 2875 WIL_WMI_CALL_GENERAL_TO_MS); 2876 if (rc) 2877 return rc; 2878 2879 if (reply.evt.status) { 2880 wil_err(wil, "ADDBA response failed with status %d\n", 2881 le16_to_cpu(reply.evt.status)); 2882 rc = -EINVAL; 2883 } 2884 2885 return rc; 2886 } 2887 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)2888 int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, 2889 u8 token, u16 status, bool amsdu, u16 agg_wsize, 2890 u16 timeout) 2891 { 2892 int rc; 2893 struct wmi_rcp_addba_resp_edma_cmd cmd = { 2894 .cid = cid, 2895 .tid = tid, 2896 .dialog_token = token, 2897 .status_code = cpu_to_le16(status), 2898 /* bit 0: A-MSDU supported 2899 * bit 1: policy (controlled by FW) 2900 * bits 2..5: TID 2901 * bits 6..15: buffer size 2902 */ 2903 .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) | 2904 (agg_wsize << 6)), 2905 .ba_timeout = cpu_to_le16(timeout), 2906 /* route all the connections to status ring 0 */ 2907 .status_ring_id = WIL_DEFAULT_RX_STATUS_RING_ID, 2908 }; 2909 struct { 2910 struct wmi_cmd_hdr wmi; 2911 struct wmi_rcp_addba_resp_sent_event evt; 2912 } __packed reply = { 2913 .evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)}, 2914 }; 2915 2916 wil_dbg_wmi(wil, 2917 "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s, sring_id %d\n", 2918 cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-", 2919 WIL_DEFAULT_RX_STATUS_RING_ID); 2920 2921 rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_EDMA_CMDID, mid, &cmd, 2922 sizeof(cmd), WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, 2923 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 2924 if (rc) 2925 return rc; 2926 2927 if (reply.evt.status) { 2928 wil_err(wil, "ADDBA response failed with status %d\n", 2929 le16_to_cpu(reply.evt.status)); 2930 rc = -EINVAL; 2931 } 2932 2933 return rc; 2934 } 2935 wmi_ps_dev_profile_cfg(struct wil6210_priv * wil,enum wmi_ps_profile_type ps_profile)2936 int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil, 2937 enum wmi_ps_profile_type ps_profile) 2938 { 2939 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2940 int rc; 2941 struct wmi_ps_dev_profile_cfg_cmd cmd = { 2942 .ps_profile = ps_profile, 2943 }; 2944 struct { 2945 struct wmi_cmd_hdr wmi; 2946 struct wmi_ps_dev_profile_cfg_event evt; 2947 } __packed reply = { 2948 .evt = {.status = cpu_to_le32(WMI_PS_CFG_CMD_STATUS_ERROR)}, 2949 }; 2950 u32 status; 2951 2952 wil_dbg_wmi(wil, "Setting ps dev profile %d\n", ps_profile); 2953 2954 rc = wmi_call(wil, WMI_PS_DEV_PROFILE_CFG_CMDID, vif->mid, 2955 &cmd, sizeof(cmd), 2956 WMI_PS_DEV_PROFILE_CFG_EVENTID, &reply, sizeof(reply), 2957 WIL_WMI_CALL_GENERAL_TO_MS); 2958 if (rc) 2959 return rc; 2960 2961 status = le32_to_cpu(reply.evt.status); 2962 2963 if (status != WMI_PS_CFG_CMD_STATUS_SUCCESS) { 2964 wil_err(wil, "ps dev profile cfg failed with status %d\n", 2965 status); 2966 rc = -EINVAL; 2967 } 2968 2969 return rc; 2970 } 2971 wmi_set_mgmt_retry(struct wil6210_priv * wil,u8 retry_short)2972 int wmi_set_mgmt_retry(struct wil6210_priv *wil, u8 retry_short) 2973 { 2974 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 2975 int rc; 2976 struct wmi_set_mgmt_retry_limit_cmd cmd = { 2977 .mgmt_retry_limit = retry_short, 2978 }; 2979 struct { 2980 struct wmi_cmd_hdr wmi; 2981 struct wmi_set_mgmt_retry_limit_event evt; 2982 } __packed reply = { 2983 .evt = {.status = WMI_FW_STATUS_FAILURE}, 2984 }; 2985 2986 wil_dbg_wmi(wil, "Setting mgmt retry short %d\n", retry_short); 2987 2988 if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities)) 2989 return -ENOTSUPP; 2990 2991 rc = wmi_call(wil, WMI_SET_MGMT_RETRY_LIMIT_CMDID, vif->mid, 2992 &cmd, sizeof(cmd), 2993 WMI_SET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply), 2994 WIL_WMI_CALL_GENERAL_TO_MS); 2995 if (rc) 2996 return rc; 2997 2998 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 2999 wil_err(wil, "set mgmt retry limit failed with status %d\n", 3000 reply.evt.status); 3001 rc = -EINVAL; 3002 } 3003 3004 return rc; 3005 } 3006 wmi_get_mgmt_retry(struct wil6210_priv * wil,u8 * retry_short)3007 int wmi_get_mgmt_retry(struct wil6210_priv *wil, u8 *retry_short) 3008 { 3009 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3010 int rc; 3011 struct { 3012 struct wmi_cmd_hdr wmi; 3013 struct wmi_get_mgmt_retry_limit_event evt; 3014 } __packed reply; 3015 3016 wil_dbg_wmi(wil, "getting mgmt retry short\n"); 3017 3018 if (!test_bit(WMI_FW_CAPABILITY_MGMT_RETRY_LIMIT, wil->fw_capabilities)) 3019 return -ENOTSUPP; 3020 3021 memset(&reply, 0, sizeof(reply)); 3022 rc = wmi_call(wil, WMI_GET_MGMT_RETRY_LIMIT_CMDID, vif->mid, NULL, 0, 3023 WMI_GET_MGMT_RETRY_LIMIT_EVENTID, &reply, sizeof(reply), 3024 WIL_WMI_CALL_GENERAL_TO_MS); 3025 if (rc) 3026 return rc; 3027 3028 if (retry_short) 3029 *retry_short = reply.evt.mgmt_retry_limit; 3030 3031 return 0; 3032 } 3033 wmi_abort_scan(struct wil6210_vif * vif)3034 int wmi_abort_scan(struct wil6210_vif *vif) 3035 { 3036 struct wil6210_priv *wil = vif_to_wil(vif); 3037 int rc; 3038 3039 wil_dbg_wmi(wil, "sending WMI_ABORT_SCAN_CMDID\n"); 3040 3041 rc = wmi_send(wil, WMI_ABORT_SCAN_CMDID, vif->mid, NULL, 0); 3042 if (rc) 3043 wil_err(wil, "Failed to abort scan (%d)\n", rc); 3044 3045 return rc; 3046 } 3047 wmi_new_sta(struct wil6210_vif * vif,const u8 * mac,u8 aid)3048 int wmi_new_sta(struct wil6210_vif *vif, const u8 *mac, u8 aid) 3049 { 3050 struct wil6210_priv *wil = vif_to_wil(vif); 3051 int rc; 3052 struct wmi_new_sta_cmd cmd = { 3053 .aid = aid, 3054 }; 3055 3056 wil_dbg_wmi(wil, "new sta %pM, aid %d\n", mac, aid); 3057 3058 ether_addr_copy(cmd.dst_mac, mac); 3059 3060 rc = wmi_send(wil, WMI_NEW_STA_CMDID, vif->mid, &cmd, sizeof(cmd)); 3061 if (rc) 3062 wil_err(wil, "Failed to send new sta (%d)\n", rc); 3063 3064 return rc; 3065 } 3066 wmi_event_flush(struct wil6210_priv * wil)3067 void wmi_event_flush(struct wil6210_priv *wil) 3068 { 3069 ulong flags; 3070 struct pending_wmi_event *evt, *t; 3071 3072 wil_dbg_wmi(wil, "event_flush\n"); 3073 3074 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 3075 3076 list_for_each_entry_safe(evt, t, &wil->pending_wmi_ev, list) { 3077 list_del(&evt->list); 3078 kfree(evt); 3079 } 3080 3081 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 3082 } 3083 suspend_status2name(u8 status)3084 static const char *suspend_status2name(u8 status) 3085 { 3086 switch (status) { 3087 case WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE: 3088 return "LINK_NOT_IDLE"; 3089 case WMI_TRAFFIC_SUSPEND_REJECTED_DISCONNECT: 3090 return "DISCONNECT"; 3091 case WMI_TRAFFIC_SUSPEND_REJECTED_OTHER: 3092 return "OTHER"; 3093 default: 3094 return "Untracked status"; 3095 } 3096 } 3097 wmi_suspend(struct wil6210_priv * wil)3098 int wmi_suspend(struct wil6210_priv *wil) 3099 { 3100 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3101 int rc; 3102 struct wmi_traffic_suspend_cmd cmd = { 3103 .wakeup_trigger = wil->wakeup_trigger, 3104 }; 3105 struct { 3106 struct wmi_cmd_hdr wmi; 3107 struct wmi_traffic_suspend_event evt; 3108 } __packed reply = { 3109 .evt = {.status = WMI_TRAFFIC_SUSPEND_REJECTED_LINK_NOT_IDLE}, 3110 }; 3111 3112 u32 suspend_to = WIL_WAIT_FOR_SUSPEND_RESUME_COMP; 3113 3114 wil->suspend_resp_rcvd = false; 3115 wil->suspend_resp_comp = false; 3116 3117 rc = wmi_call(wil, WMI_TRAFFIC_SUSPEND_CMDID, vif->mid, 3118 &cmd, sizeof(cmd), 3119 WMI_TRAFFIC_SUSPEND_EVENTID, &reply, sizeof(reply), 3120 suspend_to); 3121 if (rc) { 3122 wil_err(wil, "wmi_call for suspend req failed, rc=%d\n", rc); 3123 if (rc == -ETIME) 3124 /* wmi_call TO */ 3125 wil->suspend_stats.rejected_by_device++; 3126 else 3127 wil->suspend_stats.rejected_by_host++; 3128 goto out; 3129 } 3130 3131 wil_dbg_wmi(wil, "waiting for suspend_response_completed\n"); 3132 3133 rc = wait_event_interruptible_timeout(wil->wq, 3134 wil->suspend_resp_comp, 3135 msecs_to_jiffies(suspend_to)); 3136 if (rc == 0) { 3137 wil_err(wil, "TO waiting for suspend_response_completed\n"); 3138 if (wil->suspend_resp_rcvd) 3139 /* Device responded but we TO due to another reason */ 3140 wil->suspend_stats.rejected_by_host++; 3141 else 3142 wil->suspend_stats.rejected_by_device++; 3143 rc = -EBUSY; 3144 goto out; 3145 } 3146 3147 wil_dbg_wmi(wil, "suspend_response_completed rcvd\n"); 3148 if (reply.evt.status != WMI_TRAFFIC_SUSPEND_APPROVED) { 3149 wil_dbg_pm(wil, "device rejected the suspend, %s\n", 3150 suspend_status2name(reply.evt.status)); 3151 wil->suspend_stats.rejected_by_device++; 3152 } 3153 rc = reply.evt.status; 3154 3155 out: 3156 wil->suspend_resp_rcvd = false; 3157 wil->suspend_resp_comp = false; 3158 3159 return rc; 3160 } 3161 resume_triggers2string(u32 triggers,char * string,int str_size)3162 static void resume_triggers2string(u32 triggers, char *string, int str_size) 3163 { 3164 string[0] = '\0'; 3165 3166 if (!triggers) { 3167 strlcat(string, " UNKNOWN", str_size); 3168 return; 3169 } 3170 3171 if (triggers & WMI_RESUME_TRIGGER_HOST) 3172 strlcat(string, " HOST", str_size); 3173 3174 if (triggers & WMI_RESUME_TRIGGER_UCAST_RX) 3175 strlcat(string, " UCAST_RX", str_size); 3176 3177 if (triggers & WMI_RESUME_TRIGGER_BCAST_RX) 3178 strlcat(string, " BCAST_RX", str_size); 3179 3180 if (triggers & WMI_RESUME_TRIGGER_WMI_EVT) 3181 strlcat(string, " WMI_EVT", str_size); 3182 3183 if (triggers & WMI_RESUME_TRIGGER_DISCONNECT) 3184 strlcat(string, " DISCONNECT", str_size); 3185 } 3186 wmi_resume(struct wil6210_priv * wil)3187 int wmi_resume(struct wil6210_priv *wil) 3188 { 3189 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3190 int rc; 3191 char string[100]; 3192 struct { 3193 struct wmi_cmd_hdr wmi; 3194 struct wmi_traffic_resume_event evt; 3195 } __packed reply = { 3196 .evt = {.status = WMI_TRAFFIC_RESUME_FAILED, 3197 .resume_triggers = 3198 cpu_to_le32(WMI_RESUME_TRIGGER_UNKNOWN)}, 3199 }; 3200 3201 rc = wmi_call(wil, WMI_TRAFFIC_RESUME_CMDID, vif->mid, NULL, 0, 3202 WMI_TRAFFIC_RESUME_EVENTID, &reply, sizeof(reply), 3203 WIL_WAIT_FOR_SUSPEND_RESUME_COMP); 3204 if (rc) 3205 return rc; 3206 resume_triggers2string(le32_to_cpu(reply.evt.resume_triggers), string, 3207 sizeof(string)); 3208 wil_dbg_pm(wil, "device resume %s, resume triggers:%s (0x%x)\n", 3209 reply.evt.status ? "failed" : "passed", string, 3210 le32_to_cpu(reply.evt.resume_triggers)); 3211 3212 return reply.evt.status; 3213 } 3214 wmi_port_allocate(struct wil6210_priv * wil,u8 mid,const u8 * mac,enum nl80211_iftype iftype)3215 int wmi_port_allocate(struct wil6210_priv *wil, u8 mid, 3216 const u8 *mac, enum nl80211_iftype iftype) 3217 { 3218 int rc; 3219 struct wmi_port_allocate_cmd cmd = { 3220 .mid = mid, 3221 }; 3222 struct { 3223 struct wmi_cmd_hdr wmi; 3224 struct wmi_port_allocated_event evt; 3225 } __packed reply = { 3226 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3227 }; 3228 3229 wil_dbg_misc(wil, "port allocate, mid %d iftype %d, mac %pM\n", 3230 mid, iftype, mac); 3231 3232 ether_addr_copy(cmd.mac, mac); 3233 switch (iftype) { 3234 case NL80211_IFTYPE_STATION: 3235 cmd.port_role = WMI_PORT_STA; 3236 break; 3237 case NL80211_IFTYPE_AP: 3238 cmd.port_role = WMI_PORT_AP; 3239 break; 3240 case NL80211_IFTYPE_P2P_CLIENT: 3241 cmd.port_role = WMI_PORT_P2P_CLIENT; 3242 break; 3243 case NL80211_IFTYPE_P2P_GO: 3244 cmd.port_role = WMI_PORT_P2P_GO; 3245 break; 3246 /* what about monitor??? */ 3247 default: 3248 wil_err(wil, "unsupported iftype: %d\n", iftype); 3249 return -EINVAL; 3250 } 3251 3252 rc = wmi_call(wil, WMI_PORT_ALLOCATE_CMDID, mid, 3253 &cmd, sizeof(cmd), 3254 WMI_PORT_ALLOCATED_EVENTID, &reply, 3255 sizeof(reply), 300); 3256 if (rc) { 3257 wil_err(wil, "failed to allocate port, status %d\n", rc); 3258 return rc; 3259 } 3260 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3261 wil_err(wil, "WMI_PORT_ALLOCATE returned status %d\n", 3262 reply.evt.status); 3263 return -EINVAL; 3264 } 3265 3266 return 0; 3267 } 3268 wmi_port_delete(struct wil6210_priv * wil,u8 mid)3269 int wmi_port_delete(struct wil6210_priv *wil, u8 mid) 3270 { 3271 int rc; 3272 struct wmi_port_delete_cmd cmd = { 3273 .mid = mid, 3274 }; 3275 struct { 3276 struct wmi_cmd_hdr wmi; 3277 struct wmi_port_deleted_event evt; 3278 } __packed reply = { 3279 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3280 }; 3281 3282 wil_dbg_misc(wil, "port delete, mid %d\n", mid); 3283 3284 rc = wmi_call(wil, WMI_PORT_DELETE_CMDID, mid, 3285 &cmd, sizeof(cmd), 3286 WMI_PORT_DELETED_EVENTID, &reply, 3287 sizeof(reply), 2000); 3288 if (rc) { 3289 wil_err(wil, "failed to delete port, status %d\n", rc); 3290 return rc; 3291 } 3292 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3293 wil_err(wil, "WMI_PORT_DELETE returned status %d\n", 3294 reply.evt.status); 3295 return -EINVAL; 3296 } 3297 3298 return 0; 3299 } 3300 wmi_evt_call_handler(struct wil6210_vif * vif,int id,void * d,int len)3301 static bool wmi_evt_call_handler(struct wil6210_vif *vif, int id, 3302 void *d, int len) 3303 { 3304 uint i; 3305 3306 for (i = 0; i < ARRAY_SIZE(wmi_evt_handlers); i++) { 3307 if (wmi_evt_handlers[i].eventid == id) { 3308 wmi_evt_handlers[i].handler(vif, id, d, len); 3309 return true; 3310 } 3311 } 3312 3313 return false; 3314 } 3315 wmi_event_handle(struct wil6210_priv * wil,struct wil6210_mbox_hdr * hdr)3316 static void wmi_event_handle(struct wil6210_priv *wil, 3317 struct wil6210_mbox_hdr *hdr) 3318 { 3319 u16 len = le16_to_cpu(hdr->len); 3320 struct wil6210_vif *vif; 3321 3322 if ((hdr->type == WIL_MBOX_HDR_TYPE_WMI) && 3323 (len >= sizeof(struct wmi_cmd_hdr))) { 3324 struct wmi_cmd_hdr *wmi = (void *)(&hdr[1]); 3325 void *evt_data = (void *)(&wmi[1]); 3326 u16 id = le16_to_cpu(wmi->command_id); 3327 u8 mid = wmi->mid; 3328 3329 wil_dbg_wmi(wil, "Handle %s (0x%04x) (reply_id 0x%04x,%d)\n", 3330 eventid2name(id), id, wil->reply_id, 3331 wil->reply_mid); 3332 3333 if (mid == MID_BROADCAST) 3334 mid = 0; 3335 if (mid >= GET_MAX_VIFS(wil)) { 3336 wil_dbg_wmi(wil, "invalid mid %d, event skipped\n", 3337 mid); 3338 return; 3339 } 3340 vif = wil->vifs[mid]; 3341 if (!vif) { 3342 wil_dbg_wmi(wil, "event for empty VIF(%d), skipped\n", 3343 mid); 3344 return; 3345 } 3346 3347 /* check if someone waits for this event */ 3348 if (wil->reply_id && wil->reply_id == id && 3349 wil->reply_mid == mid) { 3350 if (wil->reply_buf) { 3351 /* event received while wmi_call is waiting 3352 * with a buffer. Such event should be handled 3353 * in wmi_recv_cmd function. Handling the event 3354 * here means a previous wmi_call was timeout. 3355 * Drop the event and do not handle it. 3356 */ 3357 wil_err(wil, 3358 "Old event (%d, %s) while wmi_call is waiting. Drop it and Continue waiting\n", 3359 id, eventid2name(id)); 3360 return; 3361 } 3362 3363 wmi_evt_call_handler(vif, id, evt_data, 3364 len - sizeof(*wmi)); 3365 wil_dbg_wmi(wil, "event_handle: Complete WMI 0x%04x\n", 3366 id); 3367 complete(&wil->wmi_call); 3368 return; 3369 } 3370 /* unsolicited event */ 3371 /* search for handler */ 3372 if (!wmi_evt_call_handler(vif, id, evt_data, 3373 len - sizeof(*wmi))) { 3374 wil_info(wil, "Unhandled event 0x%04x\n", id); 3375 } 3376 } else { 3377 wil_err(wil, "Unknown event type\n"); 3378 print_hex_dump(KERN_ERR, "evt?? ", DUMP_PREFIX_OFFSET, 16, 1, 3379 hdr, sizeof(*hdr) + len, true); 3380 } 3381 } 3382 3383 /* 3384 * Retrieve next WMI event from the pending list 3385 */ next_wmi_ev(struct wil6210_priv * wil)3386 static struct list_head *next_wmi_ev(struct wil6210_priv *wil) 3387 { 3388 ulong flags; 3389 struct list_head *ret = NULL; 3390 3391 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 3392 3393 if (!list_empty(&wil->pending_wmi_ev)) { 3394 ret = wil->pending_wmi_ev.next; 3395 list_del(ret); 3396 } 3397 3398 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 3399 3400 return ret; 3401 } 3402 3403 /* 3404 * Handler for the WMI events 3405 */ wmi_event_worker(struct work_struct * work)3406 void wmi_event_worker(struct work_struct *work) 3407 { 3408 struct wil6210_priv *wil = container_of(work, struct wil6210_priv, 3409 wmi_event_worker); 3410 struct pending_wmi_event *evt; 3411 struct list_head *lh; 3412 3413 wil_dbg_wmi(wil, "event_worker: Start\n"); 3414 while ((lh = next_wmi_ev(wil)) != NULL) { 3415 evt = list_entry(lh, struct pending_wmi_event, list); 3416 wmi_event_handle(wil, &evt->event.hdr); 3417 kfree(evt); 3418 } 3419 wil_dbg_wmi(wil, "event_worker: Finished\n"); 3420 } 3421 wil_is_wmi_idle(struct wil6210_priv * wil)3422 bool wil_is_wmi_idle(struct wil6210_priv *wil) 3423 { 3424 ulong flags; 3425 struct wil6210_mbox_ring *r = &wil->mbox_ctl.rx; 3426 bool rc = false; 3427 3428 spin_lock_irqsave(&wil->wmi_ev_lock, flags); 3429 3430 /* Check if there are pending WMI events in the events queue */ 3431 if (!list_empty(&wil->pending_wmi_ev)) { 3432 wil_dbg_pm(wil, "Pending WMI events in queue\n"); 3433 goto out; 3434 } 3435 3436 /* Check if there is a pending WMI call */ 3437 if (wil->reply_id) { 3438 wil_dbg_pm(wil, "Pending WMI call\n"); 3439 goto out; 3440 } 3441 3442 /* Check if there are pending RX events in mbox */ 3443 r->head = wil_r(wil, RGF_MBOX + 3444 offsetof(struct wil6210_mbox_ctl, rx.head)); 3445 if (r->tail != r->head) 3446 wil_dbg_pm(wil, "Pending WMI mbox events\n"); 3447 else 3448 rc = true; 3449 3450 out: 3451 spin_unlock_irqrestore(&wil->wmi_ev_lock, flags); 3452 return rc; 3453 } 3454 3455 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)3456 wmi_sched_scan_set_ssids(struct wil6210_priv *wil, 3457 struct wmi_start_sched_scan_cmd *cmd, 3458 struct cfg80211_ssid *ssids, int n_ssids, 3459 struct cfg80211_match_set *match_sets, 3460 int n_match_sets) 3461 { 3462 int i; 3463 3464 if (n_match_sets > WMI_MAX_PNO_SSID_NUM) { 3465 wil_dbg_wmi(wil, "too many match sets (%d), use first %d\n", 3466 n_match_sets, WMI_MAX_PNO_SSID_NUM); 3467 n_match_sets = WMI_MAX_PNO_SSID_NUM; 3468 } 3469 cmd->num_of_ssids = n_match_sets; 3470 3471 for (i = 0; i < n_match_sets; i++) { 3472 struct wmi_sched_scan_ssid_match *wmi_match = 3473 &cmd->ssid_for_match[i]; 3474 struct cfg80211_match_set *cfg_match = &match_sets[i]; 3475 int j; 3476 3477 wmi_match->ssid_len = cfg_match->ssid.ssid_len; 3478 memcpy(wmi_match->ssid, cfg_match->ssid.ssid, 3479 min_t(u8, wmi_match->ssid_len, WMI_MAX_SSID_LEN)); 3480 wmi_match->rssi_threshold = S8_MIN; 3481 if (cfg_match->rssi_thold >= S8_MIN && 3482 cfg_match->rssi_thold <= S8_MAX) 3483 wmi_match->rssi_threshold = cfg_match->rssi_thold; 3484 3485 for (j = 0; j < n_ssids; j++) 3486 if (wmi_match->ssid_len == ssids[j].ssid_len && 3487 memcmp(wmi_match->ssid, ssids[j].ssid, 3488 wmi_match->ssid_len) == 0) 3489 wmi_match->add_ssid_to_probe = true; 3490 } 3491 } 3492 3493 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)3494 wmi_sched_scan_set_channels(struct wil6210_priv *wil, 3495 struct wmi_start_sched_scan_cmd *cmd, 3496 u32 n_channels, 3497 struct ieee80211_channel **channels) 3498 { 3499 int i; 3500 3501 if (n_channels > WMI_MAX_CHANNEL_NUM) { 3502 wil_dbg_wmi(wil, "too many channels (%d), use first %d\n", 3503 n_channels, WMI_MAX_CHANNEL_NUM); 3504 n_channels = WMI_MAX_CHANNEL_NUM; 3505 } 3506 cmd->num_of_channels = n_channels; 3507 3508 for (i = 0; i < n_channels; i++) { 3509 struct ieee80211_channel *cfg_chan = channels[i]; 3510 3511 cmd->channel_list[i] = cfg_chan->hw_value - 1; 3512 } 3513 } 3514 3515 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)3516 wmi_sched_scan_set_plans(struct wil6210_priv *wil, 3517 struct wmi_start_sched_scan_cmd *cmd, 3518 struct cfg80211_sched_scan_plan *scan_plans, 3519 int n_scan_plans) 3520 { 3521 int i; 3522 3523 if (n_scan_plans > WMI_MAX_PLANS_NUM) { 3524 wil_dbg_wmi(wil, "too many plans (%d), use first %d\n", 3525 n_scan_plans, WMI_MAX_PLANS_NUM); 3526 n_scan_plans = WMI_MAX_PLANS_NUM; 3527 } 3528 3529 for (i = 0; i < n_scan_plans; i++) { 3530 struct cfg80211_sched_scan_plan *cfg_plan = &scan_plans[i]; 3531 3532 cmd->scan_plans[i].interval_sec = 3533 cpu_to_le16(cfg_plan->interval); 3534 cmd->scan_plans[i].num_of_iterations = 3535 cpu_to_le16(cfg_plan->iterations); 3536 } 3537 } 3538 wmi_start_sched_scan(struct wil6210_priv * wil,struct cfg80211_sched_scan_request * request)3539 int wmi_start_sched_scan(struct wil6210_priv *wil, 3540 struct cfg80211_sched_scan_request *request) 3541 { 3542 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3543 int rc; 3544 struct wmi_start_sched_scan_cmd cmd = { 3545 .min_rssi_threshold = S8_MIN, 3546 .initial_delay_sec = cpu_to_le16(request->delay), 3547 }; 3548 struct { 3549 struct wmi_cmd_hdr wmi; 3550 struct wmi_start_sched_scan_event evt; 3551 } __packed reply = { 3552 .evt = {.result = WMI_PNO_REJECT}, 3553 }; 3554 3555 if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) 3556 return -ENOTSUPP; 3557 3558 if (request->min_rssi_thold >= S8_MIN && 3559 request->min_rssi_thold <= S8_MAX) 3560 cmd.min_rssi_threshold = request->min_rssi_thold; 3561 3562 wmi_sched_scan_set_ssids(wil, &cmd, request->ssids, request->n_ssids, 3563 request->match_sets, request->n_match_sets); 3564 wmi_sched_scan_set_channels(wil, &cmd, 3565 request->n_channels, request->channels); 3566 wmi_sched_scan_set_plans(wil, &cmd, 3567 request->scan_plans, request->n_scan_plans); 3568 3569 rc = wmi_call(wil, WMI_START_SCHED_SCAN_CMDID, vif->mid, 3570 &cmd, sizeof(cmd), 3571 WMI_START_SCHED_SCAN_EVENTID, &reply, sizeof(reply), 3572 WIL_WMI_CALL_GENERAL_TO_MS); 3573 if (rc) 3574 return rc; 3575 3576 if (reply.evt.result != WMI_PNO_SUCCESS) { 3577 wil_err(wil, "start sched scan failed, result %d\n", 3578 reply.evt.result); 3579 return -EINVAL; 3580 } 3581 3582 return 0; 3583 } 3584 wmi_stop_sched_scan(struct wil6210_priv * wil)3585 int wmi_stop_sched_scan(struct wil6210_priv *wil) 3586 { 3587 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3588 int rc; 3589 struct { 3590 struct wmi_cmd_hdr wmi; 3591 struct wmi_stop_sched_scan_event evt; 3592 } __packed reply = { 3593 .evt = {.result = WMI_PNO_REJECT}, 3594 }; 3595 3596 if (!test_bit(WMI_FW_CAPABILITY_PNO, wil->fw_capabilities)) 3597 return -ENOTSUPP; 3598 3599 rc = wmi_call(wil, WMI_STOP_SCHED_SCAN_CMDID, vif->mid, NULL, 0, 3600 WMI_STOP_SCHED_SCAN_EVENTID, &reply, sizeof(reply), 3601 WIL_WMI_CALL_GENERAL_TO_MS); 3602 if (rc) 3603 return rc; 3604 3605 if (reply.evt.result != WMI_PNO_SUCCESS) { 3606 wil_err(wil, "stop sched scan failed, result %d\n", 3607 reply.evt.result); 3608 return -EINVAL; 3609 } 3610 3611 return 0; 3612 } 3613 wmi_mgmt_tx(struct wil6210_vif * vif,const u8 * buf,size_t len)3614 int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len) 3615 { 3616 size_t total; 3617 struct wil6210_priv *wil = vif_to_wil(vif); 3618 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 3619 struct wmi_sw_tx_req_cmd *cmd; 3620 struct { 3621 struct wmi_cmd_hdr wmi; 3622 struct wmi_sw_tx_complete_event evt; 3623 } __packed evt = { 3624 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3625 }; 3626 int rc; 3627 3628 wil_dbg_misc(wil, "mgmt_tx mid %d\n", vif->mid); 3629 wil_hex_dump_misc("mgmt tx frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, 3630 len, true); 3631 3632 if (len < sizeof(struct ieee80211_hdr_3addr)) 3633 return -EINVAL; 3634 3635 total = sizeof(*cmd) + len; 3636 if (total < len) { 3637 wil_err(wil, "mgmt_tx invalid len %zu\n", len); 3638 return -EINVAL; 3639 } 3640 3641 cmd = kmalloc(total, GFP_KERNEL); 3642 if (!cmd) 3643 return -ENOMEM; 3644 3645 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 3646 cmd->len = cpu_to_le16(len); 3647 memcpy(cmd->payload, buf, len); 3648 3649 rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, vif->mid, cmd, total, 3650 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 3651 if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) { 3652 wil_dbg_wmi(wil, "mgmt_tx failed with status %d\n", 3653 evt.evt.status); 3654 rc = -EAGAIN; 3655 } 3656 3657 kfree(cmd); 3658 3659 return rc; 3660 } 3661 wmi_mgmt_tx_ext(struct wil6210_vif * vif,const u8 * buf,size_t len,u8 channel,u16 duration_ms)3662 int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len, 3663 u8 channel, u16 duration_ms) 3664 { 3665 size_t total; 3666 struct wil6210_priv *wil = vif_to_wil(vif); 3667 struct ieee80211_mgmt *mgmt_frame = (void *)buf; 3668 struct wmi_sw_tx_req_ext_cmd *cmd; 3669 struct { 3670 struct wmi_cmd_hdr wmi; 3671 struct wmi_sw_tx_complete_event evt; 3672 } __packed evt = { 3673 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3674 }; 3675 int rc; 3676 3677 wil_dbg_wmi(wil, "mgmt_tx_ext mid %d channel %d duration %d\n", 3678 vif->mid, channel, duration_ms); 3679 wil_hex_dump_wmi("mgmt_tx_ext frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, 3680 len, true); 3681 3682 if (len < sizeof(struct ieee80211_hdr_3addr)) { 3683 wil_err(wil, "short frame. len %zu\n", len); 3684 return -EINVAL; 3685 } 3686 3687 total = sizeof(*cmd) + len; 3688 if (total < len) { 3689 wil_err(wil, "mgmt_tx_ext invalid len %zu\n", len); 3690 return -EINVAL; 3691 } 3692 3693 cmd = kzalloc(total, GFP_KERNEL); 3694 if (!cmd) 3695 return -ENOMEM; 3696 3697 memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); 3698 cmd->len = cpu_to_le16(len); 3699 memcpy(cmd->payload, buf, len); 3700 cmd->channel = channel - 1; 3701 cmd->duration_ms = cpu_to_le16(duration_ms); 3702 3703 rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total, 3704 WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); 3705 if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) { 3706 wil_dbg_wmi(wil, "mgmt_tx_ext failed with status %d\n", 3707 evt.evt.status); 3708 rc = -EAGAIN; 3709 } 3710 3711 kfree(cmd); 3712 3713 return rc; 3714 } 3715 wil_wmi_tx_sring_cfg(struct wil6210_priv * wil,int ring_id)3716 int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id) 3717 { 3718 int rc; 3719 struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); 3720 struct wil_status_ring *sring = &wil->srings[ring_id]; 3721 struct wmi_tx_status_ring_add_cmd cmd = { 3722 .ring_cfg = { 3723 .ring_size = cpu_to_le16(sring->size), 3724 }, 3725 .irq_index = WIL_TX_STATUS_IRQ_IDX 3726 }; 3727 struct { 3728 struct wmi_cmd_hdr hdr; 3729 struct wmi_tx_status_ring_cfg_done_event evt; 3730 } __packed reply = { 3731 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3732 }; 3733 3734 cmd.ring_cfg.ring_id = ring_id; 3735 3736 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); 3737 rc = wmi_call(wil, WMI_TX_STATUS_RING_ADD_CMDID, vif->mid, &cmd, 3738 sizeof(cmd), WMI_TX_STATUS_RING_CFG_DONE_EVENTID, 3739 &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3740 if (rc) { 3741 wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, rc %d\n", rc); 3742 return rc; 3743 } 3744 3745 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3746 wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, status %d\n", 3747 reply.evt.status); 3748 return -EINVAL; 3749 } 3750 3751 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); 3752 3753 return 0; 3754 } 3755 wil_wmi_cfg_def_rx_offload(struct wil6210_priv * wil,u16 max_rx_pl_per_desc)3756 int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, u16 max_rx_pl_per_desc) 3757 { 3758 struct net_device *ndev = wil->main_ndev; 3759 struct wil6210_vif *vif = ndev_to_vif(ndev); 3760 int rc; 3761 struct wmi_cfg_def_rx_offload_cmd cmd = { 3762 .max_msdu_size = cpu_to_le16(wil_mtu2macbuf(WIL_MAX_ETH_MTU)), 3763 .max_rx_pl_per_desc = cpu_to_le16(max_rx_pl_per_desc), 3764 .decap_trans_type = WMI_DECAP_TYPE_802_3, 3765 .l2_802_3_offload_ctrl = 0, 3766 .l3_l4_ctrl = 1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS, 3767 }; 3768 struct { 3769 struct wmi_cmd_hdr hdr; 3770 struct wmi_cfg_def_rx_offload_done_event evt; 3771 } __packed reply = { 3772 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3773 }; 3774 3775 rc = wmi_call(wil, WMI_CFG_DEF_RX_OFFLOAD_CMDID, vif->mid, &cmd, 3776 sizeof(cmd), WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID, &reply, 3777 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3778 if (rc) { 3779 wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, rc %d\n", rc); 3780 return rc; 3781 } 3782 3783 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3784 wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, status %d\n", 3785 reply.evt.status); 3786 return -EINVAL; 3787 } 3788 3789 return 0; 3790 } 3791 wil_wmi_rx_sring_add(struct wil6210_priv * wil,u16 ring_id)3792 int wil_wmi_rx_sring_add(struct wil6210_priv *wil, u16 ring_id) 3793 { 3794 struct net_device *ndev = wil->main_ndev; 3795 struct wil6210_vif *vif = ndev_to_vif(ndev); 3796 struct wil_status_ring *sring = &wil->srings[ring_id]; 3797 int rc; 3798 struct wmi_rx_status_ring_add_cmd cmd = { 3799 .ring_cfg = { 3800 .ring_size = cpu_to_le16(sring->size), 3801 .ring_id = ring_id, 3802 }, 3803 .rx_msg_type = wil->use_compressed_rx_status ? 3804 WMI_RX_MSG_TYPE_COMPRESSED : 3805 WMI_RX_MSG_TYPE_EXTENDED, 3806 .irq_index = WIL_RX_STATUS_IRQ_IDX, 3807 }; 3808 struct { 3809 struct wmi_cmd_hdr hdr; 3810 struct wmi_rx_status_ring_cfg_done_event evt; 3811 } __packed reply = { 3812 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3813 }; 3814 3815 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); 3816 rc = wmi_call(wil, WMI_RX_STATUS_RING_ADD_CMDID, vif->mid, &cmd, 3817 sizeof(cmd), WMI_RX_STATUS_RING_CFG_DONE_EVENTID, &reply, 3818 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3819 if (rc) { 3820 wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, rc %d\n", rc); 3821 return rc; 3822 } 3823 3824 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3825 wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, status %d\n", 3826 reply.evt.status); 3827 return -EINVAL; 3828 } 3829 3830 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); 3831 3832 return 0; 3833 } 3834 wil_wmi_rx_desc_ring_add(struct wil6210_priv * wil,int status_ring_id)3835 int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id) 3836 { 3837 struct net_device *ndev = wil->main_ndev; 3838 struct wil6210_vif *vif = ndev_to_vif(ndev); 3839 struct wil_ring *ring = &wil->ring_rx; 3840 int rc; 3841 struct wmi_rx_desc_ring_add_cmd cmd = { 3842 .ring_cfg = { 3843 .ring_size = cpu_to_le16(ring->size), 3844 .ring_id = WIL_RX_DESC_RING_ID, 3845 }, 3846 .status_ring_id = status_ring_id, 3847 .irq_index = WIL_RX_STATUS_IRQ_IDX, 3848 }; 3849 struct { 3850 struct wmi_cmd_hdr hdr; 3851 struct wmi_rx_desc_ring_cfg_done_event evt; 3852 } __packed reply = { 3853 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3854 }; 3855 3856 cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); 3857 cmd.sw_tail_host_addr = cpu_to_le64(ring->edma_rx_swtail.pa); 3858 rc = wmi_call(wil, WMI_RX_DESC_RING_ADD_CMDID, vif->mid, &cmd, 3859 sizeof(cmd), WMI_RX_DESC_RING_CFG_DONE_EVENTID, &reply, 3860 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3861 if (rc) { 3862 wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, rc %d\n", rc); 3863 return rc; 3864 } 3865 3866 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3867 wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, status %d\n", 3868 reply.evt.status); 3869 return -EINVAL; 3870 } 3871 3872 ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); 3873 3874 return 0; 3875 } 3876 wil_wmi_tx_desc_ring_add(struct wil6210_vif * vif,int ring_id,int cid,int tid)3877 int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, 3878 int tid) 3879 { 3880 struct wil6210_priv *wil = vif_to_wil(vif); 3881 int sring_id = wil->tx_sring_idx; /* there is only one TX sring */ 3882 int rc; 3883 struct wil_ring *ring = &wil->ring_tx[ring_id]; 3884 struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; 3885 struct wmi_tx_desc_ring_add_cmd cmd = { 3886 .ring_cfg = { 3887 .ring_size = cpu_to_le16(ring->size), 3888 .ring_id = ring_id, 3889 }, 3890 .status_ring_id = sring_id, 3891 .cid = cid, 3892 .tid = tid, 3893 .encap_trans_type = WMI_VRING_ENC_TYPE_802_3, 3894 .max_msdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)), 3895 .schd_params = { 3896 .priority = cpu_to_le16(0), 3897 .timeslot_us = cpu_to_le16(0xfff), 3898 } 3899 }; 3900 struct { 3901 struct wmi_cmd_hdr hdr; 3902 struct wmi_tx_desc_ring_cfg_done_event evt; 3903 } __packed reply = { 3904 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3905 }; 3906 3907 cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); 3908 rc = wmi_call(wil, WMI_TX_DESC_RING_ADD_CMDID, vif->mid, &cmd, 3909 sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply, 3910 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3911 if (rc) { 3912 wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, rc %d\n", rc); 3913 return rc; 3914 } 3915 3916 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3917 wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, status %d\n", 3918 reply.evt.status); 3919 return -EINVAL; 3920 } 3921 3922 spin_lock_bh(&txdata->lock); 3923 ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); 3924 txdata->mid = vif->mid; 3925 txdata->enabled = 1; 3926 spin_unlock_bh(&txdata->lock); 3927 3928 return 0; 3929 } 3930 wil_wmi_bcast_desc_ring_add(struct wil6210_vif * vif,int ring_id)3931 int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id) 3932 { 3933 struct wil6210_priv *wil = vif_to_wil(vif); 3934 struct wil_ring *ring = &wil->ring_tx[ring_id]; 3935 int rc; 3936 struct wmi_bcast_desc_ring_add_cmd cmd = { 3937 .ring_cfg = { 3938 .ring_size = cpu_to_le16(ring->size), 3939 .ring_id = ring_id, 3940 }, 3941 .max_msdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)), 3942 .status_ring_id = wil->tx_sring_idx, 3943 .encap_trans_type = WMI_VRING_ENC_TYPE_802_3, 3944 }; 3945 struct { 3946 struct wmi_cmd_hdr hdr; 3947 struct wmi_rx_desc_ring_cfg_done_event evt; 3948 } __packed reply = { 3949 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3950 }; 3951 struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; 3952 3953 cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); 3954 rc = wmi_call(wil, WMI_BCAST_DESC_RING_ADD_CMDID, vif->mid, &cmd, 3955 sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply, 3956 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3957 if (rc) { 3958 wil_err(wil, "WMI_BCAST_DESC_RING_ADD_CMD failed, rc %d\n", rc); 3959 return rc; 3960 } 3961 3962 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 3963 wil_err(wil, "Broadcast Tx config failed, status %d\n", 3964 reply.evt.status); 3965 return -EINVAL; 3966 } 3967 3968 spin_lock_bh(&txdata->lock); 3969 ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); 3970 txdata->mid = vif->mid; 3971 txdata->enabled = 1; 3972 spin_unlock_bh(&txdata->lock); 3973 3974 return 0; 3975 } 3976 wmi_link_stats_cfg(struct wil6210_vif * vif,u32 type,u8 cid,u32 interval)3977 int wmi_link_stats_cfg(struct wil6210_vif *vif, u32 type, u8 cid, u32 interval) 3978 { 3979 struct wil6210_priv *wil = vif_to_wil(vif); 3980 struct wmi_link_stats_cmd cmd = { 3981 .record_type_mask = cpu_to_le32(type), 3982 .cid = cid, 3983 .action = WMI_LINK_STATS_SNAPSHOT, 3984 .interval_msec = cpu_to_le32(interval), 3985 }; 3986 struct { 3987 struct wmi_cmd_hdr wmi; 3988 struct wmi_link_stats_config_done_event evt; 3989 } __packed reply = { 3990 .evt = {.status = WMI_FW_STATUS_FAILURE}, 3991 }; 3992 int rc; 3993 3994 rc = wmi_call(wil, WMI_LINK_STATS_CMDID, vif->mid, &cmd, sizeof(cmd), 3995 WMI_LINK_STATS_CONFIG_DONE_EVENTID, &reply, 3996 sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 3997 if (rc) { 3998 wil_err(wil, "WMI_LINK_STATS_CMDID failed, rc %d\n", rc); 3999 return rc; 4000 } 4001 4002 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 4003 wil_err(wil, "Link statistics config failed, status %d\n", 4004 reply.evt.status); 4005 return -EINVAL; 4006 } 4007 4008 return 0; 4009 } 4010 wmi_set_cqm_rssi_config(struct wil6210_priv * wil,s32 rssi_thold,u32 rssi_hyst)4011 int wmi_set_cqm_rssi_config(struct wil6210_priv *wil, 4012 s32 rssi_thold, u32 rssi_hyst) 4013 { 4014 struct net_device *ndev = wil->main_ndev; 4015 struct wil6210_vif *vif = ndev_to_vif(ndev); 4016 int rc; 4017 struct { 4018 struct wmi_cmd_hdr hdr; 4019 struct wmi_set_link_monitor_event evt; 4020 } __packed reply = { 4021 .evt = {.status = WMI_FW_STATUS_FAILURE}, 4022 }; 4023 DEFINE_FLEX(struct wmi_set_link_monitor_cmd, cmd, 4024 rssi_thresholds_list, rssi_thresholds_list_size, 1); 4025 4026 cmd->rssi_hyst = rssi_hyst; 4027 cmd->rssi_thresholds_list[0] = rssi_thold; 4028 4029 if (rssi_thold > S8_MAX || rssi_thold < S8_MIN || rssi_hyst > U8_MAX) 4030 return -EINVAL; 4031 4032 rc = wmi_call(wil, WMI_SET_LINK_MONITOR_CMDID, vif->mid, cmd, 4033 __struct_size(cmd), WMI_SET_LINK_MONITOR_EVENTID, 4034 &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); 4035 if (rc) { 4036 wil_err(wil, "WMI_SET_LINK_MONITOR_CMDID failed, rc %d\n", rc); 4037 return rc; 4038 } 4039 4040 if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { 4041 wil_err(wil, "WMI_SET_LINK_MONITOR_CMDID failed, status %d\n", 4042 reply.evt.status); 4043 return -EINVAL; 4044 } 4045 4046 return 0; 4047 } 4048