1 /* 2 * Copyright (c) 2004-2011 Atheros Communications Inc. 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <linux/ip.h> 19 #include <linux/in.h> 20 #include "core.h" 21 #include "debug.h" 22 #include "testmode.h" 23 #include "../regd.h" 24 #include "../regd_common.h" 25 26 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx); 27 28 static const s32 wmi_rate_tbl[][2] = { 29 /* {W/O SGI, with SGI} */ 30 {1000, 1000}, 31 {2000, 2000}, 32 {5500, 5500}, 33 {11000, 11000}, 34 {6000, 6000}, 35 {9000, 9000}, 36 {12000, 12000}, 37 {18000, 18000}, 38 {24000, 24000}, 39 {36000, 36000}, 40 {48000, 48000}, 41 {54000, 54000}, 42 {6500, 7200}, 43 {13000, 14400}, 44 {19500, 21700}, 45 {26000, 28900}, 46 {39000, 43300}, 47 {52000, 57800}, 48 {58500, 65000}, 49 {65000, 72200}, 50 {13500, 15000}, 51 {27000, 30000}, 52 {40500, 45000}, 53 {54000, 60000}, 54 {81000, 90000}, 55 {108000, 120000}, 56 {121500, 135000}, 57 {135000, 150000}, 58 {0, 0} 59 }; 60 61 /* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */ 62 static const u8 up_to_ac[] = { 63 WMM_AC_BE, 64 WMM_AC_BK, 65 WMM_AC_BK, 66 WMM_AC_BE, 67 WMM_AC_VI, 68 WMM_AC_VI, 69 WMM_AC_VO, 70 WMM_AC_VO, 71 }; 72 73 void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id) 74 { 75 if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX)) 76 return; 77 78 wmi->ep_id = ep_id; 79 } 80 81 enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi) 82 { 83 return wmi->ep_id; 84 } 85 86 struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx) 87 { 88 struct ath6kl_vif *vif, *found = NULL; 89 90 if (WARN_ON(if_idx > (ar->vif_max - 1))) 91 return NULL; 92 93 /* FIXME: Locking */ 94 spin_lock_bh(&ar->list_lock); 95 list_for_each_entry(vif, &ar->vif_list, list) { 96 if (vif->fw_vif_idx == if_idx) { 97 found = vif; 98 break; 99 } 100 } 101 spin_unlock_bh(&ar->list_lock); 102 103 return found; 104 } 105 106 /* Performs DIX to 802.3 encapsulation for transmit packets. 107 * Assumes the entire DIX header is contigous and that there is 108 * enough room in the buffer for a 802.3 mac header and LLC+SNAP headers. 109 */ 110 int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb) 111 { 112 struct ath6kl_llc_snap_hdr *llc_hdr; 113 struct ethhdr *eth_hdr; 114 size_t new_len; 115 __be16 type; 116 u8 *datap; 117 u16 size; 118 119 if (WARN_ON(skb == NULL)) 120 return -EINVAL; 121 122 size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr); 123 if (skb_headroom(skb) < size) 124 return -ENOMEM; 125 126 eth_hdr = (struct ethhdr *) skb->data; 127 type = eth_hdr->h_proto; 128 129 if (!is_ethertype(be16_to_cpu(type))) { 130 ath6kl_dbg(ATH6KL_DBG_WMI, 131 "%s: pkt is already in 802.3 format\n", __func__); 132 return 0; 133 } 134 135 new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr); 136 137 skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr)); 138 datap = skb->data; 139 140 eth_hdr->h_proto = cpu_to_be16(new_len); 141 142 memcpy(datap, eth_hdr, sizeof(*eth_hdr)); 143 144 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr)); 145 llc_hdr->dsap = 0xAA; 146 llc_hdr->ssap = 0xAA; 147 llc_hdr->cntl = 0x03; 148 llc_hdr->org_code[0] = 0x0; 149 llc_hdr->org_code[1] = 0x0; 150 llc_hdr->org_code[2] = 0x0; 151 llc_hdr->eth_type = type; 152 153 return 0; 154 } 155 156 static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb, 157 u8 *version, void *tx_meta_info) 158 { 159 struct wmi_tx_meta_v1 *v1; 160 struct wmi_tx_meta_v2 *v2; 161 162 if (WARN_ON(skb == NULL || version == NULL)) 163 return -EINVAL; 164 165 switch (*version) { 166 case WMI_META_VERSION_1: 167 skb_push(skb, WMI_MAX_TX_META_SZ); 168 v1 = (struct wmi_tx_meta_v1 *) skb->data; 169 v1->pkt_id = 0; 170 v1->rate_plcy_id = 0; 171 *version = WMI_META_VERSION_1; 172 break; 173 case WMI_META_VERSION_2: 174 skb_push(skb, WMI_MAX_TX_META_SZ); 175 v2 = (struct wmi_tx_meta_v2 *) skb->data; 176 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info, 177 sizeof(struct wmi_tx_meta_v2)); 178 break; 179 } 180 181 return 0; 182 } 183 184 int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb, 185 u8 msg_type, u32 flags, 186 enum wmi_data_hdr_data_type data_type, 187 u8 meta_ver, void *tx_meta_info, u8 if_idx) 188 { 189 struct wmi_data_hdr *data_hdr; 190 int ret; 191 192 if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1))) 193 return -EINVAL; 194 195 if (tx_meta_info) { 196 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info); 197 if (ret) 198 return ret; 199 } 200 201 skb_push(skb, sizeof(struct wmi_data_hdr)); 202 203 data_hdr = (struct wmi_data_hdr *)skb->data; 204 memset(data_hdr, 0, sizeof(struct wmi_data_hdr)); 205 206 data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT; 207 data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT; 208 209 if (flags & WMI_DATA_HDR_FLAGS_MORE) 210 data_hdr->info |= WMI_DATA_HDR_MORE; 211 212 if (flags & WMI_DATA_HDR_FLAGS_EOSP) 213 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP); 214 215 data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT); 216 data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK); 217 218 return 0; 219 } 220 221 u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri) 222 { 223 struct iphdr *ip_hdr = (struct iphdr *) pkt; 224 u8 ip_pri; 225 226 /* 227 * Determine IPTOS priority 228 * 229 * IP-TOS - 8bits 230 * : DSCP(6-bits) ECN(2-bits) 231 * : DSCP - P2 P1 P0 X X X 232 * where (P2 P1 P0) form 802.1D 233 */ 234 ip_pri = ip_hdr->tos >> 5; 235 ip_pri &= 0x7; 236 237 if ((layer2_pri & 0x7) > ip_pri) 238 return (u8) layer2_pri & 0x7; 239 else 240 return ip_pri; 241 } 242 243 u8 ath6kl_wmi_get_traffic_class(u8 user_priority) 244 { 245 return up_to_ac[user_priority & 0x7]; 246 } 247 248 int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx, 249 struct sk_buff *skb, 250 u32 layer2_priority, bool wmm_enabled, 251 u8 *ac) 252 { 253 struct wmi_data_hdr *data_hdr; 254 struct ath6kl_llc_snap_hdr *llc_hdr; 255 struct wmi_create_pstream_cmd cmd; 256 u32 meta_size, hdr_size; 257 u16 ip_type = IP_ETHERTYPE; 258 u8 stream_exist, usr_pri; 259 u8 traffic_class = WMM_AC_BE; 260 u8 *datap; 261 262 if (WARN_ON(skb == NULL)) 263 return -EINVAL; 264 265 datap = skb->data; 266 data_hdr = (struct wmi_data_hdr *) datap; 267 268 meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) & 269 WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0; 270 271 if (!wmm_enabled) { 272 /* If WMM is disabled all traffic goes as BE traffic */ 273 usr_pri = 0; 274 } else { 275 hdr_size = sizeof(struct ethhdr); 276 277 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + 278 sizeof(struct 279 wmi_data_hdr) + 280 meta_size + hdr_size); 281 282 if (llc_hdr->eth_type == htons(ip_type)) { 283 /* 284 * Extract the endpoint info from the TOS field 285 * in the IP header. 286 */ 287 usr_pri = 288 ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) + 289 sizeof(struct ath6kl_llc_snap_hdr), 290 layer2_priority); 291 } else 292 usr_pri = layer2_priority & 0x7; 293 294 /* 295 * Queue the EAPOL frames in the same WMM_AC_VO queue 296 * as that of management frames. 297 */ 298 if (skb->protocol == cpu_to_be16(ETH_P_PAE)) 299 usr_pri = WMI_VOICE_USER_PRIORITY; 300 } 301 302 /* 303 * workaround for WMM S5 304 * 305 * FIXME: wmi->traffic_class is always 100 so this test doesn't 306 * make sense 307 */ 308 if ((wmi->traffic_class == WMM_AC_VI) && 309 ((usr_pri == 5) || (usr_pri == 4))) 310 usr_pri = 1; 311 312 /* Convert user priority to traffic class */ 313 traffic_class = up_to_ac[usr_pri & 0x7]; 314 315 wmi_data_hdr_set_up(data_hdr, usr_pri); 316 317 spin_lock_bh(&wmi->lock); 318 stream_exist = wmi->fat_pipe_exist; 319 spin_unlock_bh(&wmi->lock); 320 321 if (!(stream_exist & (1 << traffic_class))) { 322 memset(&cmd, 0, sizeof(cmd)); 323 cmd.traffic_class = traffic_class; 324 cmd.user_pri = usr_pri; 325 cmd.inactivity_int = 326 cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT); 327 /* Implicit streams are created with TSID 0xFF */ 328 cmd.tsid = WMI_IMPLICIT_PSTREAM; 329 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd); 330 } 331 332 *ac = traffic_class; 333 334 return 0; 335 } 336 337 int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb) 338 { 339 struct ieee80211_hdr_3addr *pwh, wh; 340 struct ath6kl_llc_snap_hdr *llc_hdr; 341 struct ethhdr eth_hdr; 342 u32 hdr_size; 343 u8 *datap; 344 __le16 sub_type; 345 346 if (WARN_ON(skb == NULL)) 347 return -EINVAL; 348 349 datap = skb->data; 350 pwh = (struct ieee80211_hdr_3addr *) datap; 351 352 sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE); 353 354 memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr)); 355 356 /* Strip off the 802.11 header */ 357 if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { 358 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr), 359 sizeof(u32)); 360 skb_pull(skb, hdr_size); 361 } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) 362 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr)); 363 364 datap = skb->data; 365 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap); 366 367 memset(ð_hdr, 0, sizeof(eth_hdr)); 368 eth_hdr.h_proto = llc_hdr->eth_type; 369 370 switch ((le16_to_cpu(wh.frame_control)) & 371 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { 372 case 0: 373 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN); 374 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN); 375 break; 376 case IEEE80211_FCTL_TODS: 377 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN); 378 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN); 379 break; 380 case IEEE80211_FCTL_FROMDS: 381 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN); 382 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN); 383 break; 384 case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: 385 break; 386 } 387 388 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr)); 389 skb_push(skb, sizeof(eth_hdr)); 390 391 datap = skb->data; 392 393 memcpy(datap, ð_hdr, sizeof(eth_hdr)); 394 395 return 0; 396 } 397 398 /* 399 * Performs 802.3 to DIX encapsulation for received packets. 400 * Assumes the entire 802.3 header is contigous. 401 */ 402 int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb) 403 { 404 struct ath6kl_llc_snap_hdr *llc_hdr; 405 struct ethhdr eth_hdr; 406 u8 *datap; 407 408 if (WARN_ON(skb == NULL)) 409 return -EINVAL; 410 411 datap = skb->data; 412 413 memcpy(ð_hdr, datap, sizeof(eth_hdr)); 414 415 llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr)); 416 eth_hdr.h_proto = llc_hdr->eth_type; 417 418 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr)); 419 datap = skb->data; 420 421 memcpy(datap, ð_hdr, sizeof(eth_hdr)); 422 423 return 0; 424 } 425 426 static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len) 427 { 428 struct tx_complete_msg_v1 *msg_v1; 429 struct wmi_tx_complete_event *evt; 430 int index; 431 u16 size; 432 433 evt = (struct wmi_tx_complete_event *) datap; 434 435 ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n", 436 evt->num_msg, evt->msg_len, evt->msg_type); 437 438 for (index = 0; index < evt->num_msg; index++) { 439 size = sizeof(struct wmi_tx_complete_event) + 440 (index * sizeof(struct tx_complete_msg_v1)); 441 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size); 442 443 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n", 444 msg_v1->status, msg_v1->pkt_id, 445 msg_v1->rate_idx, msg_v1->ack_failures); 446 } 447 448 return 0; 449 } 450 451 static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap, 452 int len, struct ath6kl_vif *vif) 453 { 454 struct wmi_remain_on_chnl_event *ev; 455 u32 freq; 456 u32 dur; 457 struct ieee80211_channel *chan; 458 struct ath6kl *ar = wmi->parent_dev; 459 u32 id; 460 461 if (len < sizeof(*ev)) 462 return -EINVAL; 463 464 ev = (struct wmi_remain_on_chnl_event *) datap; 465 freq = le32_to_cpu(ev->freq); 466 dur = le32_to_cpu(ev->duration); 467 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n", 468 freq, dur); 469 chan = ieee80211_get_channel(ar->wiphy, freq); 470 if (!chan) { 471 ath6kl_dbg(ATH6KL_DBG_WMI, 472 "remain_on_chnl: Unknown channel (freq=%u)\n", 473 freq); 474 return -EINVAL; 475 } 476 id = vif->last_roc_id; 477 cfg80211_ready_on_channel(&vif->wdev, id, chan, NL80211_CHAN_NO_HT, 478 dur, GFP_ATOMIC); 479 480 return 0; 481 } 482 483 static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi, 484 u8 *datap, int len, 485 struct ath6kl_vif *vif) 486 { 487 struct wmi_cancel_remain_on_chnl_event *ev; 488 u32 freq; 489 u32 dur; 490 struct ieee80211_channel *chan; 491 struct ath6kl *ar = wmi->parent_dev; 492 u32 id; 493 494 if (len < sizeof(*ev)) 495 return -EINVAL; 496 497 ev = (struct wmi_cancel_remain_on_chnl_event *) datap; 498 freq = le32_to_cpu(ev->freq); 499 dur = le32_to_cpu(ev->duration); 500 ath6kl_dbg(ATH6KL_DBG_WMI, 501 "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n", 502 freq, dur, ev->status); 503 chan = ieee80211_get_channel(ar->wiphy, freq); 504 if (!chan) { 505 ath6kl_dbg(ATH6KL_DBG_WMI, 506 "cancel_remain_on_chnl: Unknown channel (freq=%u)\n", 507 freq); 508 return -EINVAL; 509 } 510 if (vif->last_cancel_roc_id && 511 vif->last_cancel_roc_id + 1 == vif->last_roc_id) 512 id = vif->last_cancel_roc_id; /* event for cancel command */ 513 else 514 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */ 515 vif->last_cancel_roc_id = 0; 516 cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, 517 NL80211_CHAN_NO_HT, GFP_ATOMIC); 518 519 return 0; 520 } 521 522 static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len, 523 struct ath6kl_vif *vif) 524 { 525 struct wmi_tx_status_event *ev; 526 u32 id; 527 528 if (len < sizeof(*ev)) 529 return -EINVAL; 530 531 ev = (struct wmi_tx_status_event *) datap; 532 id = le32_to_cpu(ev->id); 533 ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n", 534 id, ev->ack_status); 535 if (wmi->last_mgmt_tx_frame) { 536 cfg80211_mgmt_tx_status(&vif->wdev, id, 537 wmi->last_mgmt_tx_frame, 538 wmi->last_mgmt_tx_frame_len, 539 !!ev->ack_status, GFP_ATOMIC); 540 kfree(wmi->last_mgmt_tx_frame); 541 wmi->last_mgmt_tx_frame = NULL; 542 wmi->last_mgmt_tx_frame_len = 0; 543 } 544 545 return 0; 546 } 547 548 static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len, 549 struct ath6kl_vif *vif) 550 { 551 struct wmi_p2p_rx_probe_req_event *ev; 552 u32 freq; 553 u16 dlen; 554 555 if (len < sizeof(*ev)) 556 return -EINVAL; 557 558 ev = (struct wmi_p2p_rx_probe_req_event *) datap; 559 freq = le32_to_cpu(ev->freq); 560 dlen = le16_to_cpu(ev->len); 561 if (datap + len < ev->data + dlen) { 562 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n", 563 len, dlen); 564 return -EINVAL; 565 } 566 ath6kl_dbg(ATH6KL_DBG_WMI, 567 "rx_probe_req: len=%u freq=%u probe_req_report=%d\n", 568 dlen, freq, vif->probe_req_report); 569 570 if (vif->probe_req_report || vif->nw_type == AP_NETWORK) 571 cfg80211_rx_mgmt(&vif->wdev, freq, 0, 572 ev->data, dlen, GFP_ATOMIC); 573 574 return 0; 575 } 576 577 static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len) 578 { 579 struct wmi_p2p_capabilities_event *ev; 580 u16 dlen; 581 582 if (len < sizeof(*ev)) 583 return -EINVAL; 584 585 ev = (struct wmi_p2p_capabilities_event *) datap; 586 dlen = le16_to_cpu(ev->len); 587 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen); 588 589 return 0; 590 } 591 592 static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len, 593 struct ath6kl_vif *vif) 594 { 595 struct wmi_rx_action_event *ev; 596 u32 freq; 597 u16 dlen; 598 599 if (len < sizeof(*ev)) 600 return -EINVAL; 601 602 ev = (struct wmi_rx_action_event *) datap; 603 freq = le32_to_cpu(ev->freq); 604 dlen = le16_to_cpu(ev->len); 605 if (datap + len < ev->data + dlen) { 606 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n", 607 len, dlen); 608 return -EINVAL; 609 } 610 ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq); 611 cfg80211_rx_mgmt(&vif->wdev, freq, 0, 612 ev->data, dlen, GFP_ATOMIC); 613 614 return 0; 615 } 616 617 static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len) 618 { 619 struct wmi_p2p_info_event *ev; 620 u32 flags; 621 u16 dlen; 622 623 if (len < sizeof(*ev)) 624 return -EINVAL; 625 626 ev = (struct wmi_p2p_info_event *) datap; 627 flags = le32_to_cpu(ev->info_req_flags); 628 dlen = le16_to_cpu(ev->len); 629 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen); 630 631 if (flags & P2P_FLAG_CAPABILITIES_REQ) { 632 struct wmi_p2p_capabilities *cap; 633 if (dlen < sizeof(*cap)) 634 return -EINVAL; 635 cap = (struct wmi_p2p_capabilities *) ev->data; 636 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n", 637 cap->go_power_save); 638 } 639 640 if (flags & P2P_FLAG_MACADDR_REQ) { 641 struct wmi_p2p_macaddr *mac; 642 if (dlen < sizeof(*mac)) 643 return -EINVAL; 644 mac = (struct wmi_p2p_macaddr *) ev->data; 645 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n", 646 mac->mac_addr); 647 } 648 649 if (flags & P2P_FLAG_HMODEL_REQ) { 650 struct wmi_p2p_hmodel *mod; 651 if (dlen < sizeof(*mod)) 652 return -EINVAL; 653 mod = (struct wmi_p2p_hmodel *) ev->data; 654 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n", 655 mod->p2p_model, 656 mod->p2p_model ? "host" : "firmware"); 657 } 658 return 0; 659 } 660 661 static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size) 662 { 663 struct sk_buff *skb; 664 665 skb = ath6kl_buf_alloc(size); 666 if (!skb) 667 return NULL; 668 669 skb_put(skb, size); 670 if (size) 671 memset(skb->data, 0, size); 672 673 return skb; 674 } 675 676 /* Send a "simple" wmi command -- one with no arguments */ 677 static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx, 678 enum wmi_cmd_id cmd_id) 679 { 680 struct sk_buff *skb; 681 int ret; 682 683 skb = ath6kl_wmi_get_new_buf(0); 684 if (!skb) 685 return -ENOMEM; 686 687 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG); 688 689 return ret; 690 } 691 692 static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len) 693 { 694 struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap; 695 696 if (len < sizeof(struct wmi_ready_event_2)) 697 return -EINVAL; 698 699 ath6kl_ready_event(wmi->parent_dev, ev->mac_addr, 700 le32_to_cpu(ev->sw_version), 701 le32_to_cpu(ev->abi_version), ev->phy_cap); 702 703 return 0; 704 } 705 706 /* 707 * Mechanism to modify the roaming behavior in the firmware. The lower rssi 708 * at which the station has to roam can be passed with 709 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level 710 * in dBm. 711 */ 712 int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi) 713 { 714 struct sk_buff *skb; 715 struct roam_ctrl_cmd *cmd; 716 717 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 718 if (!skb) 719 return -ENOMEM; 720 721 cmd = (struct roam_ctrl_cmd *) skb->data; 722 723 cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD); 724 cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi + 725 DEF_SCAN_FOR_ROAM_INTVL); 726 cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi); 727 cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR; 728 cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS; 729 730 ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID, 731 NO_SYNC_WMIFLAG); 732 733 return 0; 734 } 735 736 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid) 737 { 738 struct sk_buff *skb; 739 struct roam_ctrl_cmd *cmd; 740 741 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 742 if (!skb) 743 return -ENOMEM; 744 745 cmd = (struct roam_ctrl_cmd *) skb->data; 746 747 memcpy(cmd->info.bssid, bssid, ETH_ALEN); 748 cmd->roam_ctrl = WMI_FORCE_ROAM; 749 750 ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid); 751 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID, 752 NO_SYNC_WMIFLAG); 753 } 754 755 int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period) 756 { 757 struct sk_buff *skb; 758 struct set_dtim_cmd *cmd; 759 760 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 761 if (!skb) 762 return -ENOMEM; 763 764 cmd = (struct set_dtim_cmd *) skb->data; 765 766 cmd->dtim_period = cpu_to_le32(dtim_period); 767 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, 768 WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG); 769 } 770 771 int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode) 772 { 773 struct sk_buff *skb; 774 struct roam_ctrl_cmd *cmd; 775 776 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 777 if (!skb) 778 return -ENOMEM; 779 780 cmd = (struct roam_ctrl_cmd *) skb->data; 781 782 cmd->info.roam_mode = mode; 783 cmd->roam_ctrl = WMI_SET_ROAM_MODE; 784 785 ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode); 786 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID, 787 NO_SYNC_WMIFLAG); 788 } 789 790 static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len, 791 struct ath6kl_vif *vif) 792 { 793 struct wmi_connect_event *ev; 794 u8 *pie, *peie; 795 796 if (len < sizeof(struct wmi_connect_event)) 797 return -EINVAL; 798 799 ev = (struct wmi_connect_event *) datap; 800 801 if (vif->nw_type == AP_NETWORK) { 802 /* AP mode start/STA connected event */ 803 struct net_device *dev = vif->ndev; 804 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) { 805 ath6kl_dbg(ATH6KL_DBG_WMI, 806 "%s: freq %d bssid %pM (AP started)\n", 807 __func__, le16_to_cpu(ev->u.ap_bss.ch), 808 ev->u.ap_bss.bssid); 809 ath6kl_connect_ap_mode_bss( 810 vif, le16_to_cpu(ev->u.ap_bss.ch)); 811 } else { 812 ath6kl_dbg(ATH6KL_DBG_WMI, 813 "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n", 814 __func__, ev->u.ap_sta.aid, 815 ev->u.ap_sta.mac_addr, 816 ev->u.ap_sta.auth, 817 ev->u.ap_sta.keymgmt, 818 le16_to_cpu(ev->u.ap_sta.cipher), 819 ev->u.ap_sta.apsd_info); 820 821 ath6kl_connect_ap_mode_sta( 822 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr, 823 ev->u.ap_sta.keymgmt, 824 le16_to_cpu(ev->u.ap_sta.cipher), 825 ev->u.ap_sta.auth, ev->assoc_req_len, 826 ev->assoc_info + ev->beacon_ie_len, 827 ev->u.ap_sta.apsd_info); 828 } 829 return 0; 830 } 831 832 /* STA/IBSS mode connection event */ 833 834 ath6kl_dbg(ATH6KL_DBG_WMI, 835 "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n", 836 le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid, 837 le16_to_cpu(ev->u.sta.listen_intvl), 838 le16_to_cpu(ev->u.sta.beacon_intvl), 839 le32_to_cpu(ev->u.sta.nw_type)); 840 841 /* Start of assoc rsp IEs */ 842 pie = ev->assoc_info + ev->beacon_ie_len + 843 ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */ 844 845 /* End of assoc rsp IEs */ 846 peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len + 847 ev->assoc_resp_len; 848 849 while (pie < peie) { 850 switch (*pie) { 851 case WLAN_EID_VENDOR_SPECIFIC: 852 if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 && 853 pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) { 854 /* WMM OUT (00:50:F2) */ 855 if (pie[1] > 5 && 856 pie[6] == WMM_PARAM_OUI_SUBTYPE) 857 wmi->is_wmm_enabled = true; 858 } 859 break; 860 } 861 862 if (wmi->is_wmm_enabled) 863 break; 864 865 pie += pie[1] + 2; 866 } 867 868 ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch), 869 ev->u.sta.bssid, 870 le16_to_cpu(ev->u.sta.listen_intvl), 871 le16_to_cpu(ev->u.sta.beacon_intvl), 872 le32_to_cpu(ev->u.sta.nw_type), 873 ev->beacon_ie_len, ev->assoc_req_len, 874 ev->assoc_resp_len, ev->assoc_info); 875 876 return 0; 877 } 878 879 static struct country_code_to_enum_rd * 880 ath6kl_regd_find_country(u16 countryCode) 881 { 882 int i; 883 884 for (i = 0; i < ARRAY_SIZE(allCountries); i++) { 885 if (allCountries[i].countryCode == countryCode) 886 return &allCountries[i]; 887 } 888 889 return NULL; 890 } 891 892 static struct reg_dmn_pair_mapping * 893 ath6kl_get_regpair(u16 regdmn) 894 { 895 int i; 896 897 if (regdmn == NO_ENUMRD) 898 return NULL; 899 900 for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) { 901 if (regDomainPairs[i].regDmnEnum == regdmn) 902 return ®DomainPairs[i]; 903 } 904 905 return NULL; 906 } 907 908 static struct country_code_to_enum_rd * 909 ath6kl_regd_find_country_by_rd(u16 regdmn) 910 { 911 int i; 912 913 for (i = 0; i < ARRAY_SIZE(allCountries); i++) { 914 if (allCountries[i].regDmnEnum == regdmn) 915 return &allCountries[i]; 916 } 917 918 return NULL; 919 } 920 921 static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len) 922 { 923 924 struct ath6kl_wmi_regdomain *ev; 925 struct country_code_to_enum_rd *country = NULL; 926 struct reg_dmn_pair_mapping *regpair = NULL; 927 char alpha2[2]; 928 u32 reg_code; 929 930 ev = (struct ath6kl_wmi_regdomain *) datap; 931 reg_code = le32_to_cpu(ev->reg_code); 932 933 if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) 934 country = ath6kl_regd_find_country((u16) reg_code); 935 else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) { 936 937 regpair = ath6kl_get_regpair((u16) reg_code); 938 country = ath6kl_regd_find_country_by_rd((u16) reg_code); 939 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n", 940 regpair->regDmnEnum); 941 } 942 943 if (country && wmi->parent_dev->wiphy_registered) { 944 alpha2[0] = country->isoName[0]; 945 alpha2[1] = country->isoName[1]; 946 947 regulatory_hint(wmi->parent_dev->wiphy, alpha2); 948 949 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n", 950 alpha2[0], alpha2[1]); 951 } 952 } 953 954 static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len, 955 struct ath6kl_vif *vif) 956 { 957 struct wmi_disconnect_event *ev; 958 wmi->traffic_class = 100; 959 960 if (len < sizeof(struct wmi_disconnect_event)) 961 return -EINVAL; 962 963 ev = (struct wmi_disconnect_event *) datap; 964 965 ath6kl_dbg(ATH6KL_DBG_WMI, 966 "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n", 967 le16_to_cpu(ev->proto_reason_status), ev->bssid, 968 ev->disconn_reason, ev->assoc_resp_len); 969 970 wmi->is_wmm_enabled = false; 971 972 ath6kl_disconnect_event(vif, ev->disconn_reason, 973 ev->bssid, ev->assoc_resp_len, ev->assoc_info, 974 le16_to_cpu(ev->proto_reason_status)); 975 976 return 0; 977 } 978 979 static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len) 980 { 981 struct wmi_peer_node_event *ev; 982 983 if (len < sizeof(struct wmi_peer_node_event)) 984 return -EINVAL; 985 986 ev = (struct wmi_peer_node_event *) datap; 987 988 if (ev->event_code == PEER_NODE_JOIN_EVENT) 989 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n", 990 ev->peer_mac_addr); 991 else if (ev->event_code == PEER_NODE_LEAVE_EVENT) 992 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n", 993 ev->peer_mac_addr); 994 995 return 0; 996 } 997 998 static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len, 999 struct ath6kl_vif *vif) 1000 { 1001 struct wmi_tkip_micerr_event *ev; 1002 1003 if (len < sizeof(struct wmi_tkip_micerr_event)) 1004 return -EINVAL; 1005 1006 ev = (struct wmi_tkip_micerr_event *) datap; 1007 1008 ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast); 1009 1010 return 0; 1011 } 1012 1013 void ath6kl_wmi_sscan_timer(unsigned long ptr) 1014 { 1015 struct ath6kl_vif *vif = (struct ath6kl_vif *) ptr; 1016 1017 cfg80211_sched_scan_results(vif->ar->wiphy); 1018 } 1019 1020 static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len, 1021 struct ath6kl_vif *vif) 1022 { 1023 struct wmi_bss_info_hdr2 *bih; 1024 u8 *buf; 1025 struct ieee80211_channel *channel; 1026 struct ath6kl *ar = wmi->parent_dev; 1027 struct ieee80211_mgmt *mgmt; 1028 struct cfg80211_bss *bss; 1029 1030 if (len <= sizeof(struct wmi_bss_info_hdr2)) 1031 return -EINVAL; 1032 1033 bih = (struct wmi_bss_info_hdr2 *) datap; 1034 buf = datap + sizeof(struct wmi_bss_info_hdr2); 1035 len -= sizeof(struct wmi_bss_info_hdr2); 1036 1037 ath6kl_dbg(ATH6KL_DBG_WMI, 1038 "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" " 1039 "frame_type=%d\n", 1040 bih->ch, bih->snr, bih->snr - 95, bih->bssid, 1041 bih->frame_type); 1042 1043 if (bih->frame_type != BEACON_FTYPE && 1044 bih->frame_type != PROBERESP_FTYPE) 1045 return 0; /* Only update BSS table for now */ 1046 1047 if (bih->frame_type == BEACON_FTYPE && 1048 test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) { 1049 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags); 1050 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx, 1051 NONE_BSS_FILTER, 0); 1052 } 1053 1054 channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch)); 1055 if (channel == NULL) 1056 return -EINVAL; 1057 1058 if (len < 8 + 2 + 2) 1059 return -EINVAL; 1060 1061 if (bih->frame_type == BEACON_FTYPE && 1062 test_bit(CONNECTED, &vif->flags) && 1063 memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) { 1064 const u8 *tim; 1065 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2, 1066 len - 8 - 2 - 2); 1067 if (tim && tim[1] >= 2) { 1068 vif->assoc_bss_dtim_period = tim[3]; 1069 set_bit(DTIM_PERIOD_AVAIL, &vif->flags); 1070 } 1071 } 1072 1073 /* 1074 * In theory, use of cfg80211_inform_bss() would be more natural here 1075 * since we do not have the full frame. However, at least for now, 1076 * cfg80211 can only distinguish Beacon and Probe Response frames from 1077 * each other when using cfg80211_inform_bss_frame(), so let's build a 1078 * fake IEEE 802.11 header to be able to take benefit of this. 1079 */ 1080 mgmt = kmalloc(24 + len, GFP_ATOMIC); 1081 if (mgmt == NULL) 1082 return -EINVAL; 1083 1084 if (bih->frame_type == BEACON_FTYPE) { 1085 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1086 IEEE80211_STYPE_BEACON); 1087 memset(mgmt->da, 0xff, ETH_ALEN); 1088 } else { 1089 struct net_device *dev = vif->ndev; 1090 1091 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 1092 IEEE80211_STYPE_PROBE_RESP); 1093 memcpy(mgmt->da, dev->dev_addr, ETH_ALEN); 1094 } 1095 mgmt->duration = cpu_to_le16(0); 1096 memcpy(mgmt->sa, bih->bssid, ETH_ALEN); 1097 memcpy(mgmt->bssid, bih->bssid, ETH_ALEN); 1098 mgmt->seq_ctrl = cpu_to_le16(0); 1099 1100 memcpy(&mgmt->u.beacon, buf, len); 1101 1102 bss = cfg80211_inform_bss_frame(ar->wiphy, channel, mgmt, 1103 24 + len, (bih->snr - 95) * 100, 1104 GFP_ATOMIC); 1105 kfree(mgmt); 1106 if (bss == NULL) 1107 return -ENOMEM; 1108 cfg80211_put_bss(bss); 1109 1110 /* 1111 * Firmware doesn't return any event when scheduled scan has 1112 * finished, so we need to use a timer to find out when there are 1113 * no more results. 1114 * 1115 * The timer is started from the first bss info received, otherwise 1116 * the timer would not ever fire if the scan interval is short 1117 * enough. 1118 */ 1119 if (ar->state == ATH6KL_STATE_SCHED_SCAN && 1120 !timer_pending(&vif->sched_scan_timer)) { 1121 mod_timer(&vif->sched_scan_timer, jiffies + 1122 msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY)); 1123 } 1124 1125 return 0; 1126 } 1127 1128 /* Inactivity timeout of a fatpipe(pstream) at the target */ 1129 static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap, 1130 int len) 1131 { 1132 struct wmi_pstream_timeout_event *ev; 1133 1134 if (len < sizeof(struct wmi_pstream_timeout_event)) 1135 return -EINVAL; 1136 1137 ev = (struct wmi_pstream_timeout_event *) datap; 1138 1139 /* 1140 * When the pstream (fat pipe == AC) timesout, it means there were 1141 * no thinStreams within this pstream & it got implicitly created 1142 * due to data flow on this AC. We start the inactivity timer only 1143 * for implicitly created pstream. Just reset the host state. 1144 */ 1145 spin_lock_bh(&wmi->lock); 1146 wmi->stream_exist_for_ac[ev->traffic_class] = 0; 1147 wmi->fat_pipe_exist &= ~(1 << ev->traffic_class); 1148 spin_unlock_bh(&wmi->lock); 1149 1150 /* Indicate inactivity to driver layer for this fatpipe (pstream) */ 1151 ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false); 1152 1153 return 0; 1154 } 1155 1156 static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len) 1157 { 1158 struct wmi_bit_rate_reply *reply; 1159 s32 rate; 1160 u32 sgi, index; 1161 1162 if (len < sizeof(struct wmi_bit_rate_reply)) 1163 return -EINVAL; 1164 1165 reply = (struct wmi_bit_rate_reply *) datap; 1166 1167 ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index); 1168 1169 if (reply->rate_index == (s8) RATE_AUTO) { 1170 rate = RATE_AUTO; 1171 } else { 1172 index = reply->rate_index & 0x7f; 1173 sgi = (reply->rate_index & 0x80) ? 1 : 0; 1174 rate = wmi_rate_tbl[index][sgi]; 1175 } 1176 1177 ath6kl_wakeup_event(wmi->parent_dev); 1178 1179 return 0; 1180 } 1181 1182 static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len) 1183 { 1184 ath6kl_tm_rx_event(wmi->parent_dev, datap, len); 1185 1186 return 0; 1187 } 1188 1189 static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len) 1190 { 1191 if (len < sizeof(struct wmi_fix_rates_reply)) 1192 return -EINVAL; 1193 1194 ath6kl_wakeup_event(wmi->parent_dev); 1195 1196 return 0; 1197 } 1198 1199 static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len) 1200 { 1201 if (len < sizeof(struct wmi_channel_list_reply)) 1202 return -EINVAL; 1203 1204 ath6kl_wakeup_event(wmi->parent_dev); 1205 1206 return 0; 1207 } 1208 1209 static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len) 1210 { 1211 struct wmi_tx_pwr_reply *reply; 1212 1213 if (len < sizeof(struct wmi_tx_pwr_reply)) 1214 return -EINVAL; 1215 1216 reply = (struct wmi_tx_pwr_reply *) datap; 1217 ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM); 1218 1219 return 0; 1220 } 1221 1222 static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len) 1223 { 1224 if (len < sizeof(struct wmi_get_keepalive_cmd)) 1225 return -EINVAL; 1226 1227 ath6kl_wakeup_event(wmi->parent_dev); 1228 1229 return 0; 1230 } 1231 1232 static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len, 1233 struct ath6kl_vif *vif) 1234 { 1235 struct wmi_scan_complete_event *ev; 1236 1237 ev = (struct wmi_scan_complete_event *) datap; 1238 1239 ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status)); 1240 wmi->is_probe_ssid = false; 1241 1242 return 0; 1243 } 1244 1245 static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap, 1246 int len, struct ath6kl_vif *vif) 1247 { 1248 struct wmi_neighbor_report_event *ev; 1249 u8 i; 1250 1251 if (len < sizeof(*ev)) 1252 return -EINVAL; 1253 ev = (struct wmi_neighbor_report_event *) datap; 1254 if (sizeof(*ev) + ev->num_neighbors * sizeof(struct wmi_neighbor_info) 1255 > len) { 1256 ath6kl_dbg(ATH6KL_DBG_WMI, 1257 "truncated neighbor event (num=%d len=%d)\n", 1258 ev->num_neighbors, len); 1259 return -EINVAL; 1260 } 1261 for (i = 0; i < ev->num_neighbors; i++) { 1262 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n", 1263 i + 1, ev->num_neighbors, ev->neighbor[i].bssid, 1264 ev->neighbor[i].bss_flags); 1265 cfg80211_pmksa_candidate_notify(vif->ndev, i, 1266 ev->neighbor[i].bssid, 1267 !!(ev->neighbor[i].bss_flags & 1268 WMI_PREAUTH_CAPABLE_BSS), 1269 GFP_ATOMIC); 1270 } 1271 1272 return 0; 1273 } 1274 1275 /* 1276 * Target is reporting a programming error. This is for 1277 * developer aid only. Target only checks a few common violations 1278 * and it is responsibility of host to do all error checking. 1279 * Behavior of target after wmi error event is undefined. 1280 * A reset is recommended. 1281 */ 1282 static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len) 1283 { 1284 const char *type = "unknown error"; 1285 struct wmi_cmd_error_event *ev; 1286 ev = (struct wmi_cmd_error_event *) datap; 1287 1288 switch (ev->err_code) { 1289 case INVALID_PARAM: 1290 type = "invalid parameter"; 1291 break; 1292 case ILLEGAL_STATE: 1293 type = "invalid state"; 1294 break; 1295 case INTERNAL_ERROR: 1296 type = "internal error"; 1297 break; 1298 } 1299 1300 ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n", 1301 ev->cmd_id, type); 1302 1303 return 0; 1304 } 1305 1306 static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len, 1307 struct ath6kl_vif *vif) 1308 { 1309 ath6kl_tgt_stats_event(vif, datap, len); 1310 1311 return 0; 1312 } 1313 1314 static u8 ath6kl_wmi_get_upper_threshold(s16 rssi, 1315 struct sq_threshold_params *sq_thresh, 1316 u32 size) 1317 { 1318 u32 index; 1319 u8 threshold = (u8) sq_thresh->upper_threshold[size - 1]; 1320 1321 /* The list is already in sorted order. Get the next lower value */ 1322 for (index = 0; index < size; index++) { 1323 if (rssi < sq_thresh->upper_threshold[index]) { 1324 threshold = (u8) sq_thresh->upper_threshold[index]; 1325 break; 1326 } 1327 } 1328 1329 return threshold; 1330 } 1331 1332 static u8 ath6kl_wmi_get_lower_threshold(s16 rssi, 1333 struct sq_threshold_params *sq_thresh, 1334 u32 size) 1335 { 1336 u32 index; 1337 u8 threshold = (u8) sq_thresh->lower_threshold[size - 1]; 1338 1339 /* The list is already in sorted order. Get the next lower value */ 1340 for (index = 0; index < size; index++) { 1341 if (rssi > sq_thresh->lower_threshold[index]) { 1342 threshold = (u8) sq_thresh->lower_threshold[index]; 1343 break; 1344 } 1345 } 1346 1347 return threshold; 1348 } 1349 1350 static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi, 1351 struct wmi_rssi_threshold_params_cmd *rssi_cmd) 1352 { 1353 struct sk_buff *skb; 1354 struct wmi_rssi_threshold_params_cmd *cmd; 1355 1356 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 1357 if (!skb) 1358 return -ENOMEM; 1359 1360 cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data; 1361 memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd)); 1362 1363 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID, 1364 NO_SYNC_WMIFLAG); 1365 } 1366 1367 static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap, 1368 int len) 1369 { 1370 struct wmi_rssi_threshold_event *reply; 1371 struct wmi_rssi_threshold_params_cmd cmd; 1372 struct sq_threshold_params *sq_thresh; 1373 enum wmi_rssi_threshold_val new_threshold; 1374 u8 upper_rssi_threshold, lower_rssi_threshold; 1375 s16 rssi; 1376 int ret; 1377 1378 if (len < sizeof(struct wmi_rssi_threshold_event)) 1379 return -EINVAL; 1380 1381 reply = (struct wmi_rssi_threshold_event *) datap; 1382 new_threshold = (enum wmi_rssi_threshold_val) reply->range; 1383 rssi = a_sle16_to_cpu(reply->rssi); 1384 1385 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI]; 1386 1387 /* 1388 * Identify the threshold breached and communicate that to the app. 1389 * After that install a new set of thresholds based on the signal 1390 * quality reported by the target 1391 */ 1392 if (new_threshold) { 1393 /* Upper threshold breached */ 1394 if (rssi < sq_thresh->upper_threshold[0]) { 1395 ath6kl_dbg(ATH6KL_DBG_WMI, 1396 "spurious upper rssi threshold event: %d\n", 1397 rssi); 1398 } else if ((rssi < sq_thresh->upper_threshold[1]) && 1399 (rssi >= sq_thresh->upper_threshold[0])) { 1400 new_threshold = WMI_RSSI_THRESHOLD1_ABOVE; 1401 } else if ((rssi < sq_thresh->upper_threshold[2]) && 1402 (rssi >= sq_thresh->upper_threshold[1])) { 1403 new_threshold = WMI_RSSI_THRESHOLD2_ABOVE; 1404 } else if ((rssi < sq_thresh->upper_threshold[3]) && 1405 (rssi >= sq_thresh->upper_threshold[2])) { 1406 new_threshold = WMI_RSSI_THRESHOLD3_ABOVE; 1407 } else if ((rssi < sq_thresh->upper_threshold[4]) && 1408 (rssi >= sq_thresh->upper_threshold[3])) { 1409 new_threshold = WMI_RSSI_THRESHOLD4_ABOVE; 1410 } else if ((rssi < sq_thresh->upper_threshold[5]) && 1411 (rssi >= sq_thresh->upper_threshold[4])) { 1412 new_threshold = WMI_RSSI_THRESHOLD5_ABOVE; 1413 } else if (rssi >= sq_thresh->upper_threshold[5]) { 1414 new_threshold = WMI_RSSI_THRESHOLD6_ABOVE; 1415 } 1416 } else { 1417 /* Lower threshold breached */ 1418 if (rssi > sq_thresh->lower_threshold[0]) { 1419 ath6kl_dbg(ATH6KL_DBG_WMI, 1420 "spurious lower rssi threshold event: %d %d\n", 1421 rssi, sq_thresh->lower_threshold[0]); 1422 } else if ((rssi > sq_thresh->lower_threshold[1]) && 1423 (rssi <= sq_thresh->lower_threshold[0])) { 1424 new_threshold = WMI_RSSI_THRESHOLD6_BELOW; 1425 } else if ((rssi > sq_thresh->lower_threshold[2]) && 1426 (rssi <= sq_thresh->lower_threshold[1])) { 1427 new_threshold = WMI_RSSI_THRESHOLD5_BELOW; 1428 } else if ((rssi > sq_thresh->lower_threshold[3]) && 1429 (rssi <= sq_thresh->lower_threshold[2])) { 1430 new_threshold = WMI_RSSI_THRESHOLD4_BELOW; 1431 } else if ((rssi > sq_thresh->lower_threshold[4]) && 1432 (rssi <= sq_thresh->lower_threshold[3])) { 1433 new_threshold = WMI_RSSI_THRESHOLD3_BELOW; 1434 } else if ((rssi > sq_thresh->lower_threshold[5]) && 1435 (rssi <= sq_thresh->lower_threshold[4])) { 1436 new_threshold = WMI_RSSI_THRESHOLD2_BELOW; 1437 } else if (rssi <= sq_thresh->lower_threshold[5]) { 1438 new_threshold = WMI_RSSI_THRESHOLD1_BELOW; 1439 } 1440 } 1441 1442 /* Calculate and install the next set of thresholds */ 1443 lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh, 1444 sq_thresh->lower_threshold_valid_count); 1445 upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh, 1446 sq_thresh->upper_threshold_valid_count); 1447 1448 /* Issue a wmi command to install the thresholds */ 1449 cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold); 1450 cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold); 1451 cmd.weight = sq_thresh->weight; 1452 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval); 1453 1454 ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd); 1455 if (ret) { 1456 ath6kl_err("unable to configure rssi thresholds\n"); 1457 return -EIO; 1458 } 1459 1460 return 0; 1461 } 1462 1463 static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len, 1464 struct ath6kl_vif *vif) 1465 { 1466 struct wmi_cac_event *reply; 1467 struct ieee80211_tspec_ie *ts; 1468 u16 active_tsids, tsinfo; 1469 u8 tsid, index; 1470 u8 ts_id; 1471 1472 if (len < sizeof(struct wmi_cac_event)) 1473 return -EINVAL; 1474 1475 reply = (struct wmi_cac_event *) datap; 1476 1477 if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) && 1478 (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) { 1479 1480 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion); 1481 tsinfo = le16_to_cpu(ts->tsinfo); 1482 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) & 1483 IEEE80211_WMM_IE_TSPEC_TID_MASK; 1484 1485 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx, 1486 reply->ac, tsid); 1487 } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) { 1488 /* 1489 * Following assumes that there is only one outstanding 1490 * ADDTS request when this event is received 1491 */ 1492 spin_lock_bh(&wmi->lock); 1493 active_tsids = wmi->stream_exist_for_ac[reply->ac]; 1494 spin_unlock_bh(&wmi->lock); 1495 1496 for (index = 0; index < sizeof(active_tsids) * 8; index++) { 1497 if ((active_tsids >> index) & 1) 1498 break; 1499 } 1500 if (index < (sizeof(active_tsids) * 8)) 1501 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx, 1502 reply->ac, index); 1503 } 1504 1505 /* 1506 * Clear active tsids and Add missing handling 1507 * for delete qos stream from AP 1508 */ 1509 else if (reply->cac_indication == CAC_INDICATION_DELETE) { 1510 1511 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion); 1512 tsinfo = le16_to_cpu(ts->tsinfo); 1513 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) & 1514 IEEE80211_WMM_IE_TSPEC_TID_MASK); 1515 1516 spin_lock_bh(&wmi->lock); 1517 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id); 1518 active_tsids = wmi->stream_exist_for_ac[reply->ac]; 1519 spin_unlock_bh(&wmi->lock); 1520 1521 /* Indicate stream inactivity to driver layer only if all tsids 1522 * within this AC are deleted. 1523 */ 1524 if (!active_tsids) { 1525 ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac, 1526 false); 1527 wmi->fat_pipe_exist &= ~(1 << reply->ac); 1528 } 1529 } 1530 1531 return 0; 1532 } 1533 1534 static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi, 1535 struct wmi_snr_threshold_params_cmd *snr_cmd) 1536 { 1537 struct sk_buff *skb; 1538 struct wmi_snr_threshold_params_cmd *cmd; 1539 1540 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 1541 if (!skb) 1542 return -ENOMEM; 1543 1544 cmd = (struct wmi_snr_threshold_params_cmd *) skb->data; 1545 memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd)); 1546 1547 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID, 1548 NO_SYNC_WMIFLAG); 1549 } 1550 1551 static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap, 1552 int len) 1553 { 1554 struct wmi_snr_threshold_event *reply; 1555 struct sq_threshold_params *sq_thresh; 1556 struct wmi_snr_threshold_params_cmd cmd; 1557 enum wmi_snr_threshold_val new_threshold; 1558 u8 upper_snr_threshold, lower_snr_threshold; 1559 s16 snr; 1560 int ret; 1561 1562 if (len < sizeof(struct wmi_snr_threshold_event)) 1563 return -EINVAL; 1564 1565 reply = (struct wmi_snr_threshold_event *) datap; 1566 1567 new_threshold = (enum wmi_snr_threshold_val) reply->range; 1568 snr = reply->snr; 1569 1570 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR]; 1571 1572 /* 1573 * Identify the threshold breached and communicate that to the app. 1574 * After that install a new set of thresholds based on the signal 1575 * quality reported by the target. 1576 */ 1577 if (new_threshold) { 1578 /* Upper threshold breached */ 1579 if (snr < sq_thresh->upper_threshold[0]) { 1580 ath6kl_dbg(ATH6KL_DBG_WMI, 1581 "spurious upper snr threshold event: %d\n", 1582 snr); 1583 } else if ((snr < sq_thresh->upper_threshold[1]) && 1584 (snr >= sq_thresh->upper_threshold[0])) { 1585 new_threshold = WMI_SNR_THRESHOLD1_ABOVE; 1586 } else if ((snr < sq_thresh->upper_threshold[2]) && 1587 (snr >= sq_thresh->upper_threshold[1])) { 1588 new_threshold = WMI_SNR_THRESHOLD2_ABOVE; 1589 } else if ((snr < sq_thresh->upper_threshold[3]) && 1590 (snr >= sq_thresh->upper_threshold[2])) { 1591 new_threshold = WMI_SNR_THRESHOLD3_ABOVE; 1592 } else if (snr >= sq_thresh->upper_threshold[3]) { 1593 new_threshold = WMI_SNR_THRESHOLD4_ABOVE; 1594 } 1595 } else { 1596 /* Lower threshold breached */ 1597 if (snr > sq_thresh->lower_threshold[0]) { 1598 ath6kl_dbg(ATH6KL_DBG_WMI, 1599 "spurious lower snr threshold event: %d\n", 1600 sq_thresh->lower_threshold[0]); 1601 } else if ((snr > sq_thresh->lower_threshold[1]) && 1602 (snr <= sq_thresh->lower_threshold[0])) { 1603 new_threshold = WMI_SNR_THRESHOLD4_BELOW; 1604 } else if ((snr > sq_thresh->lower_threshold[2]) && 1605 (snr <= sq_thresh->lower_threshold[1])) { 1606 new_threshold = WMI_SNR_THRESHOLD3_BELOW; 1607 } else if ((snr > sq_thresh->lower_threshold[3]) && 1608 (snr <= sq_thresh->lower_threshold[2])) { 1609 new_threshold = WMI_SNR_THRESHOLD2_BELOW; 1610 } else if (snr <= sq_thresh->lower_threshold[3]) { 1611 new_threshold = WMI_SNR_THRESHOLD1_BELOW; 1612 } 1613 } 1614 1615 /* Calculate and install the next set of thresholds */ 1616 lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh, 1617 sq_thresh->lower_threshold_valid_count); 1618 upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh, 1619 sq_thresh->upper_threshold_valid_count); 1620 1621 /* Issue a wmi command to install the thresholds */ 1622 cmd.thresh_above1_val = upper_snr_threshold; 1623 cmd.thresh_below1_val = lower_snr_threshold; 1624 cmd.weight = sq_thresh->weight; 1625 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval); 1626 1627 ath6kl_dbg(ATH6KL_DBG_WMI, 1628 "snr: %d, threshold: %d, lower: %d, upper: %d\n", 1629 snr, new_threshold, 1630 lower_snr_threshold, upper_snr_threshold); 1631 1632 ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd); 1633 if (ret) { 1634 ath6kl_err("unable to configure snr threshold\n"); 1635 return -EIO; 1636 } 1637 1638 return 0; 1639 } 1640 1641 static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len) 1642 { 1643 u16 ap_info_entry_size; 1644 struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap; 1645 struct wmi_ap_info_v1 *ap_info_v1; 1646 u8 index; 1647 1648 if (len < sizeof(struct wmi_aplist_event) || 1649 ev->ap_list_ver != APLIST_VER1) 1650 return -EINVAL; 1651 1652 ap_info_entry_size = sizeof(struct wmi_ap_info_v1); 1653 ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list; 1654 1655 ath6kl_dbg(ATH6KL_DBG_WMI, 1656 "number of APs in aplist event: %d\n", ev->num_ap); 1657 1658 if (len < (int) (sizeof(struct wmi_aplist_event) + 1659 (ev->num_ap - 1) * ap_info_entry_size)) 1660 return -EINVAL; 1661 1662 /* AP list version 1 contents */ 1663 for (index = 0; index < ev->num_ap; index++) { 1664 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n", 1665 index, ap_info_v1->bssid, ap_info_v1->channel); 1666 ap_info_v1++; 1667 } 1668 1669 return 0; 1670 } 1671 1672 int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb, 1673 enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag) 1674 { 1675 struct wmi_cmd_hdr *cmd_hdr; 1676 enum htc_endpoint_id ep_id = wmi->ep_id; 1677 int ret; 1678 u16 info1; 1679 1680 if (WARN_ON(skb == NULL || (if_idx > (wmi->parent_dev->vif_max - 1)))) 1681 return -EINVAL; 1682 1683 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n", 1684 cmd_id, skb->len, sync_flag); 1685 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ", 1686 skb->data, skb->len); 1687 1688 if (sync_flag >= END_WMIFLAG) { 1689 dev_kfree_skb(skb); 1690 return -EINVAL; 1691 } 1692 1693 if ((sync_flag == SYNC_BEFORE_WMIFLAG) || 1694 (sync_flag == SYNC_BOTH_WMIFLAG)) { 1695 /* 1696 * Make sure all data currently queued is transmitted before 1697 * the cmd execution. Establish a new sync point. 1698 */ 1699 ath6kl_wmi_sync_point(wmi, if_idx); 1700 } 1701 1702 skb_push(skb, sizeof(struct wmi_cmd_hdr)); 1703 1704 cmd_hdr = (struct wmi_cmd_hdr *) skb->data; 1705 cmd_hdr->cmd_id = cpu_to_le16(cmd_id); 1706 info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK; 1707 cmd_hdr->info1 = cpu_to_le16(info1); 1708 1709 /* Only for OPT_TX_CMD, use BE endpoint. */ 1710 if (cmd_id == WMI_OPT_TX_FRAME_CMDID) { 1711 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE, 1712 false, false, 0, NULL, if_idx); 1713 if (ret) { 1714 dev_kfree_skb(skb); 1715 return ret; 1716 } 1717 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE); 1718 } 1719 1720 ath6kl_control_tx(wmi->parent_dev, skb, ep_id); 1721 1722 if ((sync_flag == SYNC_AFTER_WMIFLAG) || 1723 (sync_flag == SYNC_BOTH_WMIFLAG)) { 1724 /* 1725 * Make sure all new data queued waits for the command to 1726 * execute. Establish a new sync point. 1727 */ 1728 ath6kl_wmi_sync_point(wmi, if_idx); 1729 } 1730 1731 return 0; 1732 } 1733 1734 int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx, 1735 enum network_type nw_type, 1736 enum dot11_auth_mode dot11_auth_mode, 1737 enum auth_mode auth_mode, 1738 enum crypto_type pairwise_crypto, 1739 u8 pairwise_crypto_len, 1740 enum crypto_type group_crypto, 1741 u8 group_crypto_len, int ssid_len, u8 *ssid, 1742 u8 *bssid, u16 channel, u32 ctrl_flags, 1743 u8 nw_subtype) 1744 { 1745 struct sk_buff *skb; 1746 struct wmi_connect_cmd *cc; 1747 int ret; 1748 1749 ath6kl_dbg(ATH6KL_DBG_WMI, 1750 "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d " 1751 "type %d dot11_auth %d auth %d pairwise %d group %d\n", 1752 bssid, channel, ctrl_flags, ssid_len, nw_type, 1753 dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto); 1754 ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len); 1755 1756 wmi->traffic_class = 100; 1757 1758 if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT)) 1759 return -EINVAL; 1760 1761 if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT)) 1762 return -EINVAL; 1763 1764 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd)); 1765 if (!skb) 1766 return -ENOMEM; 1767 1768 cc = (struct wmi_connect_cmd *) skb->data; 1769 1770 if (ssid_len) 1771 memcpy(cc->ssid, ssid, ssid_len); 1772 1773 cc->ssid_len = ssid_len; 1774 cc->nw_type = nw_type; 1775 cc->dot11_auth_mode = dot11_auth_mode; 1776 cc->auth_mode = auth_mode; 1777 cc->prwise_crypto_type = pairwise_crypto; 1778 cc->prwise_crypto_len = pairwise_crypto_len; 1779 cc->grp_crypto_type = group_crypto; 1780 cc->grp_crypto_len = group_crypto_len; 1781 cc->ch = cpu_to_le16(channel); 1782 cc->ctrl_flags = cpu_to_le32(ctrl_flags); 1783 cc->nw_subtype = nw_subtype; 1784 1785 if (bssid != NULL) 1786 memcpy(cc->bssid, bssid, ETH_ALEN); 1787 1788 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID, 1789 NO_SYNC_WMIFLAG); 1790 1791 return ret; 1792 } 1793 1794 int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid, 1795 u16 channel) 1796 { 1797 struct sk_buff *skb; 1798 struct wmi_reconnect_cmd *cc; 1799 int ret; 1800 1801 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n", 1802 bssid, channel); 1803 1804 wmi->traffic_class = 100; 1805 1806 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd)); 1807 if (!skb) 1808 return -ENOMEM; 1809 1810 cc = (struct wmi_reconnect_cmd *) skb->data; 1811 cc->channel = cpu_to_le16(channel); 1812 1813 if (bssid != NULL) 1814 memcpy(cc->bssid, bssid, ETH_ALEN); 1815 1816 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID, 1817 NO_SYNC_WMIFLAG); 1818 1819 return ret; 1820 } 1821 1822 int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx) 1823 { 1824 int ret; 1825 1826 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n"); 1827 1828 wmi->traffic_class = 100; 1829 1830 /* Disconnect command does not need to do a SYNC before. */ 1831 ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID); 1832 1833 return ret; 1834 } 1835 1836 int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx, 1837 enum wmi_scan_type scan_type, 1838 u32 force_fgscan, u32 is_legacy, 1839 u32 home_dwell_time, u32 force_scan_interval, 1840 s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates) 1841 { 1842 struct ieee80211_supported_band *sband; 1843 struct sk_buff *skb; 1844 struct wmi_begin_scan_cmd *sc; 1845 s8 size, *supp_rates; 1846 int i, band, ret; 1847 struct ath6kl *ar = wmi->parent_dev; 1848 int num_rates; 1849 u32 ratemask; 1850 1851 size = sizeof(struct wmi_begin_scan_cmd); 1852 1853 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN)) 1854 return -EINVAL; 1855 1856 if (num_chan > WMI_MAX_CHANNELS) 1857 return -EINVAL; 1858 1859 if (num_chan) 1860 size += sizeof(u16) * (num_chan - 1); 1861 1862 skb = ath6kl_wmi_get_new_buf(size); 1863 if (!skb) 1864 return -ENOMEM; 1865 1866 sc = (struct wmi_begin_scan_cmd *) skb->data; 1867 sc->scan_type = scan_type; 1868 sc->force_fg_scan = cpu_to_le32(force_fgscan); 1869 sc->is_legacy = cpu_to_le32(is_legacy); 1870 sc->home_dwell_time = cpu_to_le32(home_dwell_time); 1871 sc->force_scan_intvl = cpu_to_le32(force_scan_interval); 1872 sc->no_cck = cpu_to_le32(no_cck); 1873 sc->num_ch = num_chan; 1874 1875 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 1876 sband = ar->wiphy->bands[band]; 1877 1878 if (!sband) 1879 continue; 1880 1881 ratemask = rates[band]; 1882 supp_rates = sc->supp_rates[band].rates; 1883 num_rates = 0; 1884 1885 for (i = 0; i < sband->n_bitrates; i++) { 1886 if ((BIT(i) & ratemask) == 0) 1887 continue; /* skip rate */ 1888 supp_rates[num_rates++] = 1889 (u8) (sband->bitrates[i].bitrate / 5); 1890 } 1891 sc->supp_rates[band].nrates = num_rates; 1892 } 1893 1894 for (i = 0; i < num_chan; i++) 1895 sc->ch_list[i] = cpu_to_le16(ch_list[i]); 1896 1897 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID, 1898 NO_SYNC_WMIFLAG); 1899 1900 return ret; 1901 } 1902 1903 /* ath6kl_wmi_start_scan_cmd is to be deprecated. Use 1904 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P 1905 * mgmt operations using station interface. 1906 */ 1907 int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx, 1908 enum wmi_scan_type scan_type, 1909 u32 force_fgscan, u32 is_legacy, 1910 u32 home_dwell_time, u32 force_scan_interval, 1911 s8 num_chan, u16 *ch_list) 1912 { 1913 struct sk_buff *skb; 1914 struct wmi_start_scan_cmd *sc; 1915 s8 size; 1916 int i, ret; 1917 1918 size = sizeof(struct wmi_start_scan_cmd); 1919 1920 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN)) 1921 return -EINVAL; 1922 1923 if (num_chan > WMI_MAX_CHANNELS) 1924 return -EINVAL; 1925 1926 if (num_chan) 1927 size += sizeof(u16) * (num_chan - 1); 1928 1929 skb = ath6kl_wmi_get_new_buf(size); 1930 if (!skb) 1931 return -ENOMEM; 1932 1933 sc = (struct wmi_start_scan_cmd *) skb->data; 1934 sc->scan_type = scan_type; 1935 sc->force_fg_scan = cpu_to_le32(force_fgscan); 1936 sc->is_legacy = cpu_to_le32(is_legacy); 1937 sc->home_dwell_time = cpu_to_le32(home_dwell_time); 1938 sc->force_scan_intvl = cpu_to_le32(force_scan_interval); 1939 sc->num_ch = num_chan; 1940 1941 for (i = 0; i < num_chan; i++) 1942 sc->ch_list[i] = cpu_to_le16(ch_list[i]); 1943 1944 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID, 1945 NO_SYNC_WMIFLAG); 1946 1947 return ret; 1948 } 1949 1950 int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx, 1951 u16 fg_start_sec, 1952 u16 fg_end_sec, u16 bg_sec, 1953 u16 minact_chdw_msec, u16 maxact_chdw_msec, 1954 u16 pas_chdw_msec, u8 short_scan_ratio, 1955 u8 scan_ctrl_flag, u32 max_dfsch_act_time, 1956 u16 maxact_scan_per_ssid) 1957 { 1958 struct sk_buff *skb; 1959 struct wmi_scan_params_cmd *sc; 1960 int ret; 1961 1962 skb = ath6kl_wmi_get_new_buf(sizeof(*sc)); 1963 if (!skb) 1964 return -ENOMEM; 1965 1966 sc = (struct wmi_scan_params_cmd *) skb->data; 1967 sc->fg_start_period = cpu_to_le16(fg_start_sec); 1968 sc->fg_end_period = cpu_to_le16(fg_end_sec); 1969 sc->bg_period = cpu_to_le16(bg_sec); 1970 sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec); 1971 sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec); 1972 sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec); 1973 sc->short_scan_ratio = short_scan_ratio; 1974 sc->scan_ctrl_flags = scan_ctrl_flag; 1975 sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time); 1976 sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid); 1977 1978 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID, 1979 NO_SYNC_WMIFLAG); 1980 return ret; 1981 } 1982 1983 int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask) 1984 { 1985 struct sk_buff *skb; 1986 struct wmi_bss_filter_cmd *cmd; 1987 int ret; 1988 1989 if (filter >= LAST_BSS_FILTER) 1990 return -EINVAL; 1991 1992 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 1993 if (!skb) 1994 return -ENOMEM; 1995 1996 cmd = (struct wmi_bss_filter_cmd *) skb->data; 1997 cmd->bss_filter = filter; 1998 cmd->ie_mask = cpu_to_le32(ie_mask); 1999 2000 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID, 2001 NO_SYNC_WMIFLAG); 2002 return ret; 2003 } 2004 2005 int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag, 2006 u8 ssid_len, u8 *ssid) 2007 { 2008 struct sk_buff *skb; 2009 struct wmi_probed_ssid_cmd *cmd; 2010 int ret; 2011 2012 if (index >= MAX_PROBED_SSIDS) 2013 return -EINVAL; 2014 2015 if (ssid_len > sizeof(cmd->ssid)) 2016 return -EINVAL; 2017 2018 if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0)) 2019 return -EINVAL; 2020 2021 if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len) 2022 return -EINVAL; 2023 2024 if (flag & SPECIFIC_SSID_FLAG) 2025 wmi->is_probe_ssid = true; 2026 2027 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2028 if (!skb) 2029 return -ENOMEM; 2030 2031 cmd = (struct wmi_probed_ssid_cmd *) skb->data; 2032 cmd->entry_index = index; 2033 cmd->flag = flag; 2034 cmd->ssid_len = ssid_len; 2035 memcpy(cmd->ssid, ssid, ssid_len); 2036 2037 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID, 2038 NO_SYNC_WMIFLAG); 2039 return ret; 2040 } 2041 2042 int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx, 2043 u16 listen_interval, 2044 u16 listen_beacons) 2045 { 2046 struct sk_buff *skb; 2047 struct wmi_listen_int_cmd *cmd; 2048 int ret; 2049 2050 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2051 if (!skb) 2052 return -ENOMEM; 2053 2054 cmd = (struct wmi_listen_int_cmd *) skb->data; 2055 cmd->listen_intvl = cpu_to_le16(listen_interval); 2056 cmd->num_beacons = cpu_to_le16(listen_beacons); 2057 2058 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID, 2059 NO_SYNC_WMIFLAG); 2060 return ret; 2061 } 2062 2063 int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx, 2064 u16 bmiss_time, u16 num_beacons) 2065 { 2066 struct sk_buff *skb; 2067 struct wmi_bmiss_time_cmd *cmd; 2068 int ret; 2069 2070 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2071 if (!skb) 2072 return -ENOMEM; 2073 2074 cmd = (struct wmi_bmiss_time_cmd *) skb->data; 2075 cmd->bmiss_time = cpu_to_le16(bmiss_time); 2076 cmd->num_beacons = cpu_to_le16(num_beacons); 2077 2078 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID, 2079 NO_SYNC_WMIFLAG); 2080 return ret; 2081 } 2082 2083 int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode) 2084 { 2085 struct sk_buff *skb; 2086 struct wmi_power_mode_cmd *cmd; 2087 int ret; 2088 2089 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2090 if (!skb) 2091 return -ENOMEM; 2092 2093 cmd = (struct wmi_power_mode_cmd *) skb->data; 2094 cmd->pwr_mode = pwr_mode; 2095 wmi->pwr_mode = pwr_mode; 2096 2097 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID, 2098 NO_SYNC_WMIFLAG); 2099 return ret; 2100 } 2101 2102 int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period, 2103 u16 ps_poll_num, u16 dtim_policy, 2104 u16 tx_wakeup_policy, u16 num_tx_to_wakeup, 2105 u16 ps_fail_event_policy) 2106 { 2107 struct sk_buff *skb; 2108 struct wmi_power_params_cmd *pm; 2109 int ret; 2110 2111 skb = ath6kl_wmi_get_new_buf(sizeof(*pm)); 2112 if (!skb) 2113 return -ENOMEM; 2114 2115 pm = (struct wmi_power_params_cmd *)skb->data; 2116 pm->idle_period = cpu_to_le16(idle_period); 2117 pm->pspoll_number = cpu_to_le16(ps_poll_num); 2118 pm->dtim_policy = cpu_to_le16(dtim_policy); 2119 pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy); 2120 pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup); 2121 pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy); 2122 2123 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID, 2124 NO_SYNC_WMIFLAG); 2125 return ret; 2126 } 2127 2128 int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout) 2129 { 2130 struct sk_buff *skb; 2131 struct wmi_disc_timeout_cmd *cmd; 2132 int ret; 2133 2134 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2135 if (!skb) 2136 return -ENOMEM; 2137 2138 cmd = (struct wmi_disc_timeout_cmd *) skb->data; 2139 cmd->discon_timeout = timeout; 2140 2141 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID, 2142 NO_SYNC_WMIFLAG); 2143 2144 if (ret == 0) 2145 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout); 2146 2147 return ret; 2148 } 2149 2150 int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index, 2151 enum crypto_type key_type, 2152 u8 key_usage, u8 key_len, 2153 u8 *key_rsc, unsigned int key_rsc_len, 2154 u8 *key_material, 2155 u8 key_op_ctrl, u8 *mac_addr, 2156 enum wmi_sync_flag sync_flag) 2157 { 2158 struct sk_buff *skb; 2159 struct wmi_add_cipher_key_cmd *cmd; 2160 int ret; 2161 2162 ath6kl_dbg(ATH6KL_DBG_WMI, 2163 "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n", 2164 key_index, key_type, key_usage, key_len, key_op_ctrl); 2165 2166 if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) || 2167 (key_material == NULL) || key_rsc_len > 8) 2168 return -EINVAL; 2169 2170 if ((WEP_CRYPT != key_type) && (NULL == key_rsc)) 2171 return -EINVAL; 2172 2173 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2174 if (!skb) 2175 return -ENOMEM; 2176 2177 cmd = (struct wmi_add_cipher_key_cmd *) skb->data; 2178 cmd->key_index = key_index; 2179 cmd->key_type = key_type; 2180 cmd->key_usage = key_usage; 2181 cmd->key_len = key_len; 2182 memcpy(cmd->key, key_material, key_len); 2183 2184 if (key_rsc != NULL) 2185 memcpy(cmd->key_rsc, key_rsc, key_rsc_len); 2186 2187 cmd->key_op_ctrl = key_op_ctrl; 2188 2189 if (mac_addr) 2190 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN); 2191 2192 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID, 2193 sync_flag); 2194 2195 return ret; 2196 } 2197 2198 int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, u8 *krk) 2199 { 2200 struct sk_buff *skb; 2201 struct wmi_add_krk_cmd *cmd; 2202 int ret; 2203 2204 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2205 if (!skb) 2206 return -ENOMEM; 2207 2208 cmd = (struct wmi_add_krk_cmd *) skb->data; 2209 memcpy(cmd->krk, krk, WMI_KRK_LEN); 2210 2211 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID, 2212 NO_SYNC_WMIFLAG); 2213 2214 return ret; 2215 } 2216 2217 int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index) 2218 { 2219 struct sk_buff *skb; 2220 struct wmi_delete_cipher_key_cmd *cmd; 2221 int ret; 2222 2223 if (key_index > WMI_MAX_KEY_INDEX) 2224 return -EINVAL; 2225 2226 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2227 if (!skb) 2228 return -ENOMEM; 2229 2230 cmd = (struct wmi_delete_cipher_key_cmd *) skb->data; 2231 cmd->key_index = key_index; 2232 2233 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID, 2234 NO_SYNC_WMIFLAG); 2235 2236 return ret; 2237 } 2238 2239 int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid, 2240 const u8 *pmkid, bool set) 2241 { 2242 struct sk_buff *skb; 2243 struct wmi_setpmkid_cmd *cmd; 2244 int ret; 2245 2246 if (bssid == NULL) 2247 return -EINVAL; 2248 2249 if (set && pmkid == NULL) 2250 return -EINVAL; 2251 2252 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2253 if (!skb) 2254 return -ENOMEM; 2255 2256 cmd = (struct wmi_setpmkid_cmd *) skb->data; 2257 memcpy(cmd->bssid, bssid, ETH_ALEN); 2258 if (set) { 2259 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid)); 2260 cmd->enable = PMKID_ENABLE; 2261 } else { 2262 memset(cmd->pmkid, 0, sizeof(cmd->pmkid)); 2263 cmd->enable = PMKID_DISABLE; 2264 } 2265 2266 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID, 2267 NO_SYNC_WMIFLAG); 2268 2269 return ret; 2270 } 2271 2272 static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb, 2273 enum htc_endpoint_id ep_id, u8 if_idx) 2274 { 2275 struct wmi_data_hdr *data_hdr; 2276 int ret; 2277 2278 if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) 2279 return -EINVAL; 2280 2281 skb_push(skb, sizeof(struct wmi_data_hdr)); 2282 2283 data_hdr = (struct wmi_data_hdr *) skb->data; 2284 data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT; 2285 data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK); 2286 2287 ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id); 2288 2289 return ret; 2290 } 2291 2292 static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx) 2293 { 2294 struct sk_buff *skb; 2295 struct wmi_sync_cmd *cmd; 2296 struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC]; 2297 enum htc_endpoint_id ep_id; 2298 u8 index, num_pri_streams = 0; 2299 int ret = 0; 2300 2301 memset(data_sync_bufs, 0, sizeof(data_sync_bufs)); 2302 2303 spin_lock_bh(&wmi->lock); 2304 2305 for (index = 0; index < WMM_NUM_AC; index++) { 2306 if (wmi->fat_pipe_exist & (1 << index)) { 2307 num_pri_streams++; 2308 data_sync_bufs[num_pri_streams - 1].traffic_class = 2309 index; 2310 } 2311 } 2312 2313 spin_unlock_bh(&wmi->lock); 2314 2315 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2316 if (!skb) { 2317 ret = -ENOMEM; 2318 goto free_skb; 2319 } 2320 2321 cmd = (struct wmi_sync_cmd *) skb->data; 2322 2323 /* 2324 * In the SYNC cmd sent on the control Ep, send a bitmap 2325 * of the data eps on which the Data Sync will be sent 2326 */ 2327 cmd->data_sync_map = wmi->fat_pipe_exist; 2328 2329 for (index = 0; index < num_pri_streams; index++) { 2330 data_sync_bufs[index].skb = ath6kl_buf_alloc(0); 2331 if (data_sync_bufs[index].skb == NULL) { 2332 ret = -ENOMEM; 2333 break; 2334 } 2335 } 2336 2337 /* 2338 * If buffer allocation for any of the dataSync fails, 2339 * then do not send the Synchronize cmd on the control ep 2340 */ 2341 if (ret) 2342 goto free_skb; 2343 2344 /* 2345 * Send sync cmd followed by sync data messages on all 2346 * endpoints being used 2347 */ 2348 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID, 2349 NO_SYNC_WMIFLAG); 2350 2351 if (ret) 2352 goto free_skb; 2353 2354 /* cmd buffer sent, we no longer own it */ 2355 skb = NULL; 2356 2357 for (index = 0; index < num_pri_streams; index++) { 2358 2359 if (WARN_ON(!data_sync_bufs[index].skb)) 2360 break; 2361 2362 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, 2363 data_sync_bufs[index]. 2364 traffic_class); 2365 ret = 2366 ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb, 2367 ep_id, if_idx); 2368 2369 if (ret) 2370 break; 2371 2372 data_sync_bufs[index].skb = NULL; 2373 } 2374 2375 free_skb: 2376 /* free up any resources left over (possibly due to an error) */ 2377 if (skb) 2378 dev_kfree_skb(skb); 2379 2380 for (index = 0; index < num_pri_streams; index++) { 2381 if (data_sync_bufs[index].skb != NULL) { 2382 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index]. 2383 skb); 2384 } 2385 } 2386 2387 return ret; 2388 } 2389 2390 int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx, 2391 struct wmi_create_pstream_cmd *params) 2392 { 2393 struct sk_buff *skb; 2394 struct wmi_create_pstream_cmd *cmd; 2395 u8 fatpipe_exist_for_ac = 0; 2396 s32 min_phy = 0; 2397 s32 nominal_phy = 0; 2398 int ret; 2399 2400 if (!((params->user_pri < 8) && 2401 (params->user_pri <= 0x7) && 2402 (up_to_ac[params->user_pri & 0x7] == params->traffic_class) && 2403 (params->traffic_direc == UPLINK_TRAFFIC || 2404 params->traffic_direc == DNLINK_TRAFFIC || 2405 params->traffic_direc == BIDIR_TRAFFIC) && 2406 (params->traffic_type == TRAFFIC_TYPE_APERIODIC || 2407 params->traffic_type == TRAFFIC_TYPE_PERIODIC) && 2408 (params->voice_psc_cap == DISABLE_FOR_THIS_AC || 2409 params->voice_psc_cap == ENABLE_FOR_THIS_AC || 2410 params->voice_psc_cap == ENABLE_FOR_ALL_AC) && 2411 (params->tsid == WMI_IMPLICIT_PSTREAM || 2412 params->tsid <= WMI_MAX_THINSTREAM))) { 2413 return -EINVAL; 2414 } 2415 2416 /* 2417 * Check nominal PHY rate is >= minimalPHY, 2418 * so that DUT can allow TSRS IE 2419 */ 2420 2421 /* Get the physical rate (units of bps) */ 2422 min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000); 2423 2424 /* Check minimal phy < nominal phy rate */ 2425 if (params->nominal_phy >= min_phy) { 2426 /* unit of 500 kbps */ 2427 nominal_phy = (params->nominal_phy * 1000) / 500; 2428 ath6kl_dbg(ATH6KL_DBG_WMI, 2429 "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n", 2430 min_phy, nominal_phy); 2431 2432 params->nominal_phy = nominal_phy; 2433 } else { 2434 params->nominal_phy = 0; 2435 } 2436 2437 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2438 if (!skb) 2439 return -ENOMEM; 2440 2441 ath6kl_dbg(ATH6KL_DBG_WMI, 2442 "sending create_pstream_cmd: ac=%d tsid:%d\n", 2443 params->traffic_class, params->tsid); 2444 2445 cmd = (struct wmi_create_pstream_cmd *) skb->data; 2446 memcpy(cmd, params, sizeof(*cmd)); 2447 2448 /* This is an implicitly created Fat pipe */ 2449 if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) { 2450 spin_lock_bh(&wmi->lock); 2451 fatpipe_exist_for_ac = (wmi->fat_pipe_exist & 2452 (1 << params->traffic_class)); 2453 wmi->fat_pipe_exist |= (1 << params->traffic_class); 2454 spin_unlock_bh(&wmi->lock); 2455 } else { 2456 /* explicitly created thin stream within a fat pipe */ 2457 spin_lock_bh(&wmi->lock); 2458 fatpipe_exist_for_ac = (wmi->fat_pipe_exist & 2459 (1 << params->traffic_class)); 2460 wmi->stream_exist_for_ac[params->traffic_class] |= 2461 (1 << params->tsid); 2462 /* 2463 * If a thinstream becomes active, the fat pipe automatically 2464 * becomes active 2465 */ 2466 wmi->fat_pipe_exist |= (1 << params->traffic_class); 2467 spin_unlock_bh(&wmi->lock); 2468 } 2469 2470 /* 2471 * Indicate activty change to driver layer only if this is the 2472 * first TSID to get created in this AC explicitly or an implicit 2473 * fat pipe is getting created. 2474 */ 2475 if (!fatpipe_exist_for_ac) 2476 ath6kl_indicate_tx_activity(wmi->parent_dev, 2477 params->traffic_class, true); 2478 2479 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID, 2480 NO_SYNC_WMIFLAG); 2481 return ret; 2482 } 2483 2484 int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class, 2485 u8 tsid) 2486 { 2487 struct sk_buff *skb; 2488 struct wmi_delete_pstream_cmd *cmd; 2489 u16 active_tsids = 0; 2490 int ret; 2491 2492 if (traffic_class > 3) { 2493 ath6kl_err("invalid traffic class: %d\n", traffic_class); 2494 return -EINVAL; 2495 } 2496 2497 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2498 if (!skb) 2499 return -ENOMEM; 2500 2501 cmd = (struct wmi_delete_pstream_cmd *) skb->data; 2502 cmd->traffic_class = traffic_class; 2503 cmd->tsid = tsid; 2504 2505 spin_lock_bh(&wmi->lock); 2506 active_tsids = wmi->stream_exist_for_ac[traffic_class]; 2507 spin_unlock_bh(&wmi->lock); 2508 2509 if (!(active_tsids & (1 << tsid))) { 2510 dev_kfree_skb(skb); 2511 ath6kl_dbg(ATH6KL_DBG_WMI, 2512 "TSID %d doesn't exist for traffic class: %d\n", 2513 tsid, traffic_class); 2514 return -ENODATA; 2515 } 2516 2517 ath6kl_dbg(ATH6KL_DBG_WMI, 2518 "sending delete_pstream_cmd: traffic class: %d tsid=%d\n", 2519 traffic_class, tsid); 2520 2521 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID, 2522 SYNC_BEFORE_WMIFLAG); 2523 2524 spin_lock_bh(&wmi->lock); 2525 wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid); 2526 active_tsids = wmi->stream_exist_for_ac[traffic_class]; 2527 spin_unlock_bh(&wmi->lock); 2528 2529 /* 2530 * Indicate stream inactivity to driver layer only if all tsids 2531 * within this AC are deleted. 2532 */ 2533 if (!active_tsids) { 2534 ath6kl_indicate_tx_activity(wmi->parent_dev, 2535 traffic_class, false); 2536 wmi->fat_pipe_exist &= ~(1 << traffic_class); 2537 } 2538 2539 return ret; 2540 } 2541 2542 int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx, 2543 __be32 ips0, __be32 ips1) 2544 { 2545 struct sk_buff *skb; 2546 struct wmi_set_ip_cmd *cmd; 2547 int ret; 2548 2549 /* Multicast address are not valid */ 2550 if (ipv4_is_multicast(ips0) || 2551 ipv4_is_multicast(ips1)) 2552 return -EINVAL; 2553 2554 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd)); 2555 if (!skb) 2556 return -ENOMEM; 2557 2558 cmd = (struct wmi_set_ip_cmd *) skb->data; 2559 cmd->ips[0] = ips0; 2560 cmd->ips[1] = ips1; 2561 2562 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID, 2563 NO_SYNC_WMIFLAG); 2564 return ret; 2565 } 2566 2567 static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi) 2568 { 2569 u16 active_tsids; 2570 u8 stream_exist; 2571 int i; 2572 2573 /* 2574 * Relinquish credits from all implicitly created pstreams 2575 * since when we go to sleep. If user created explicit 2576 * thinstreams exists with in a fatpipe leave them intact 2577 * for the user to delete. 2578 */ 2579 spin_lock_bh(&wmi->lock); 2580 stream_exist = wmi->fat_pipe_exist; 2581 spin_unlock_bh(&wmi->lock); 2582 2583 for (i = 0; i < WMM_NUM_AC; i++) { 2584 if (stream_exist & (1 << i)) { 2585 2586 /* 2587 * FIXME: Is this lock & unlock inside 2588 * for loop correct? may need rework. 2589 */ 2590 spin_lock_bh(&wmi->lock); 2591 active_tsids = wmi->stream_exist_for_ac[i]; 2592 spin_unlock_bh(&wmi->lock); 2593 2594 /* 2595 * If there are no user created thin streams 2596 * delete the fatpipe 2597 */ 2598 if (!active_tsids) { 2599 stream_exist &= ~(1 << i); 2600 /* 2601 * Indicate inactivity to driver layer for 2602 * this fatpipe (pstream) 2603 */ 2604 ath6kl_indicate_tx_activity(wmi->parent_dev, 2605 i, false); 2606 } 2607 } 2608 } 2609 2610 /* FIXME: Can we do this assignment without locking ? */ 2611 spin_lock_bh(&wmi->lock); 2612 wmi->fat_pipe_exist = stream_exist; 2613 spin_unlock_bh(&wmi->lock); 2614 } 2615 2616 static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx, 2617 const struct cfg80211_bitrate_mask *mask) 2618 { 2619 struct sk_buff *skb; 2620 int ret, mode, band; 2621 u64 mcsrate, ratemask[IEEE80211_NUM_BANDS]; 2622 struct wmi_set_tx_select_rates64_cmd *cmd; 2623 2624 memset(&ratemask, 0, sizeof(ratemask)); 2625 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 2626 /* copy legacy rate mask */ 2627 ratemask[band] = mask->control[band].legacy; 2628 if (band == IEEE80211_BAND_5GHZ) 2629 ratemask[band] = 2630 mask->control[band].legacy << 4; 2631 2632 /* copy mcs rate mask */ 2633 mcsrate = mask->control[band].mcs[1]; 2634 mcsrate <<= 8; 2635 mcsrate |= mask->control[band].mcs[0]; 2636 ratemask[band] |= mcsrate << 12; 2637 ratemask[band] |= mcsrate << 28; 2638 } 2639 2640 ath6kl_dbg(ATH6KL_DBG_WMI, 2641 "Ratemask 64 bit: 2.4:%llx 5:%llx\n", 2642 ratemask[0], ratemask[1]); 2643 2644 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX); 2645 if (!skb) 2646 return -ENOMEM; 2647 2648 cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data; 2649 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) { 2650 /* A mode operate in 5GHZ band */ 2651 if (mode == WMI_RATES_MODE_11A || 2652 mode == WMI_RATES_MODE_11A_HT20 || 2653 mode == WMI_RATES_MODE_11A_HT40) 2654 band = IEEE80211_BAND_5GHZ; 2655 else 2656 band = IEEE80211_BAND_2GHZ; 2657 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]); 2658 } 2659 2660 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, 2661 WMI_SET_TX_SELECT_RATES_CMDID, 2662 NO_SYNC_WMIFLAG); 2663 return ret; 2664 } 2665 2666 static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx, 2667 const struct cfg80211_bitrate_mask *mask) 2668 { 2669 struct sk_buff *skb; 2670 int ret, mode, band; 2671 u32 mcsrate, ratemask[IEEE80211_NUM_BANDS]; 2672 struct wmi_set_tx_select_rates32_cmd *cmd; 2673 2674 memset(&ratemask, 0, sizeof(ratemask)); 2675 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 2676 /* copy legacy rate mask */ 2677 ratemask[band] = mask->control[band].legacy; 2678 if (band == IEEE80211_BAND_5GHZ) 2679 ratemask[band] = 2680 mask->control[band].legacy << 4; 2681 2682 /* copy mcs rate mask */ 2683 mcsrate = mask->control[band].mcs[0]; 2684 ratemask[band] |= mcsrate << 12; 2685 ratemask[band] |= mcsrate << 20; 2686 } 2687 2688 ath6kl_dbg(ATH6KL_DBG_WMI, 2689 "Ratemask 32 bit: 2.4:%x 5:%x\n", 2690 ratemask[0], ratemask[1]); 2691 2692 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX); 2693 if (!skb) 2694 return -ENOMEM; 2695 2696 cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data; 2697 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) { 2698 /* A mode operate in 5GHZ band */ 2699 if (mode == WMI_RATES_MODE_11A || 2700 mode == WMI_RATES_MODE_11A_HT20 || 2701 mode == WMI_RATES_MODE_11A_HT40) 2702 band = IEEE80211_BAND_5GHZ; 2703 else 2704 band = IEEE80211_BAND_2GHZ; 2705 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]); 2706 } 2707 2708 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, 2709 WMI_SET_TX_SELECT_RATES_CMDID, 2710 NO_SYNC_WMIFLAG); 2711 return ret; 2712 } 2713 2714 int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx, 2715 const struct cfg80211_bitrate_mask *mask) 2716 { 2717 struct ath6kl *ar = wmi->parent_dev; 2718 2719 if (ar->hw.flags & ATH6KL_HW_FLAG_64BIT_RATES) 2720 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask); 2721 else 2722 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask); 2723 } 2724 2725 int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx, 2726 enum ath6kl_host_mode host_mode) 2727 { 2728 struct sk_buff *skb; 2729 struct wmi_set_host_sleep_mode_cmd *cmd; 2730 int ret; 2731 2732 if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) && 2733 (host_mode != ATH6KL_HOST_MODE_AWAKE)) { 2734 ath6kl_err("invalid host sleep mode: %d\n", host_mode); 2735 return -EINVAL; 2736 } 2737 2738 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2739 if (!skb) 2740 return -ENOMEM; 2741 2742 cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data; 2743 2744 if (host_mode == ATH6KL_HOST_MODE_ASLEEP) { 2745 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi); 2746 cmd->asleep = cpu_to_le32(1); 2747 } else 2748 cmd->awake = cpu_to_le32(1); 2749 2750 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, 2751 WMI_SET_HOST_SLEEP_MODE_CMDID, 2752 NO_SYNC_WMIFLAG); 2753 return ret; 2754 } 2755 2756 /* This command has zero length payload */ 2757 static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi, 2758 struct ath6kl_vif *vif) 2759 { 2760 struct ath6kl *ar = wmi->parent_dev; 2761 2762 set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags); 2763 wake_up(&ar->event_wq); 2764 2765 return 0; 2766 } 2767 2768 int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx, 2769 enum ath6kl_wow_mode wow_mode, 2770 u32 filter, u16 host_req_delay) 2771 { 2772 struct sk_buff *skb; 2773 struct wmi_set_wow_mode_cmd *cmd; 2774 int ret; 2775 2776 if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) && 2777 wow_mode != ATH6KL_WOW_MODE_DISABLE) { 2778 ath6kl_err("invalid wow mode: %d\n", wow_mode); 2779 return -EINVAL; 2780 } 2781 2782 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2783 if (!skb) 2784 return -ENOMEM; 2785 2786 cmd = (struct wmi_set_wow_mode_cmd *) skb->data; 2787 cmd->enable_wow = cpu_to_le32(wow_mode); 2788 cmd->filter = cpu_to_le32(filter); 2789 cmd->host_req_delay = cpu_to_le16(host_req_delay); 2790 2791 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID, 2792 NO_SYNC_WMIFLAG); 2793 return ret; 2794 } 2795 2796 int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx, 2797 u8 list_id, u8 filter_size, 2798 u8 filter_offset, const u8 *filter, 2799 const u8 *mask) 2800 { 2801 struct sk_buff *skb; 2802 struct wmi_add_wow_pattern_cmd *cmd; 2803 u16 size; 2804 u8 *filter_mask; 2805 int ret; 2806 2807 /* 2808 * Allocate additional memory in the buffer to hold 2809 * filter and mask value, which is twice of filter_size. 2810 */ 2811 size = sizeof(*cmd) + (2 * filter_size); 2812 2813 skb = ath6kl_wmi_get_new_buf(size); 2814 if (!skb) 2815 return -ENOMEM; 2816 2817 cmd = (struct wmi_add_wow_pattern_cmd *) skb->data; 2818 cmd->filter_list_id = list_id; 2819 cmd->filter_size = filter_size; 2820 cmd->filter_offset = filter_offset; 2821 2822 memcpy(cmd->filter, filter, filter_size); 2823 2824 filter_mask = (u8 *) (cmd->filter + filter_size); 2825 memcpy(filter_mask, mask, filter_size); 2826 2827 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID, 2828 NO_SYNC_WMIFLAG); 2829 2830 return ret; 2831 } 2832 2833 int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx, 2834 u16 list_id, u16 filter_id) 2835 { 2836 struct sk_buff *skb; 2837 struct wmi_del_wow_pattern_cmd *cmd; 2838 int ret; 2839 2840 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2841 if (!skb) 2842 return -ENOMEM; 2843 2844 cmd = (struct wmi_del_wow_pattern_cmd *) skb->data; 2845 cmd->filter_list_id = cpu_to_le16(list_id); 2846 cmd->filter_id = cpu_to_le16(filter_id); 2847 2848 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID, 2849 NO_SYNC_WMIFLAG); 2850 return ret; 2851 } 2852 2853 static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb, 2854 enum wmix_command_id cmd_id, 2855 enum wmi_sync_flag sync_flag) 2856 { 2857 struct wmix_cmd_hdr *cmd_hdr; 2858 int ret; 2859 2860 skb_push(skb, sizeof(struct wmix_cmd_hdr)); 2861 2862 cmd_hdr = (struct wmix_cmd_hdr *) skb->data; 2863 cmd_hdr->cmd_id = cpu_to_le32(cmd_id); 2864 2865 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag); 2866 2867 return ret; 2868 } 2869 2870 int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source) 2871 { 2872 struct sk_buff *skb; 2873 struct wmix_hb_challenge_resp_cmd *cmd; 2874 int ret; 2875 2876 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2877 if (!skb) 2878 return -ENOMEM; 2879 2880 cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data; 2881 cmd->cookie = cpu_to_le32(cookie); 2882 cmd->source = cpu_to_le32(source); 2883 2884 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID, 2885 NO_SYNC_WMIFLAG); 2886 return ret; 2887 } 2888 2889 int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config) 2890 { 2891 struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd; 2892 struct sk_buff *skb; 2893 int ret; 2894 2895 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 2896 if (!skb) 2897 return -ENOMEM; 2898 2899 cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data; 2900 cmd->valid = cpu_to_le32(valid); 2901 cmd->config = cpu_to_le32(config); 2902 2903 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID, 2904 NO_SYNC_WMIFLAG); 2905 return ret; 2906 } 2907 2908 int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx) 2909 { 2910 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID); 2911 } 2912 2913 int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM) 2914 { 2915 struct sk_buff *skb; 2916 struct wmi_set_tx_pwr_cmd *cmd; 2917 int ret; 2918 2919 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd)); 2920 if (!skb) 2921 return -ENOMEM; 2922 2923 cmd = (struct wmi_set_tx_pwr_cmd *) skb->data; 2924 cmd->dbM = dbM; 2925 2926 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID, 2927 NO_SYNC_WMIFLAG); 2928 2929 return ret; 2930 } 2931 2932 int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx) 2933 { 2934 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID); 2935 } 2936 2937 int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi) 2938 { 2939 return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID); 2940 } 2941 2942 int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status, 2943 u8 preamble_policy) 2944 { 2945 struct sk_buff *skb; 2946 struct wmi_set_lpreamble_cmd *cmd; 2947 int ret; 2948 2949 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd)); 2950 if (!skb) 2951 return -ENOMEM; 2952 2953 cmd = (struct wmi_set_lpreamble_cmd *) skb->data; 2954 cmd->status = status; 2955 cmd->preamble_policy = preamble_policy; 2956 2957 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID, 2958 NO_SYNC_WMIFLAG); 2959 return ret; 2960 } 2961 2962 int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold) 2963 { 2964 struct sk_buff *skb; 2965 struct wmi_set_rts_cmd *cmd; 2966 int ret; 2967 2968 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd)); 2969 if (!skb) 2970 return -ENOMEM; 2971 2972 cmd = (struct wmi_set_rts_cmd *) skb->data; 2973 cmd->threshold = cpu_to_le16(threshold); 2974 2975 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID, 2976 NO_SYNC_WMIFLAG); 2977 return ret; 2978 } 2979 2980 int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg) 2981 { 2982 struct sk_buff *skb; 2983 struct wmi_set_wmm_txop_cmd *cmd; 2984 int ret; 2985 2986 if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED))) 2987 return -EINVAL; 2988 2989 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd)); 2990 if (!skb) 2991 return -ENOMEM; 2992 2993 cmd = (struct wmi_set_wmm_txop_cmd *) skb->data; 2994 cmd->txop_enable = cfg; 2995 2996 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID, 2997 NO_SYNC_WMIFLAG); 2998 return ret; 2999 } 3000 3001 int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx, 3002 u8 keep_alive_intvl) 3003 { 3004 struct sk_buff *skb; 3005 struct wmi_set_keepalive_cmd *cmd; 3006 int ret; 3007 3008 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3009 if (!skb) 3010 return -ENOMEM; 3011 3012 cmd = (struct wmi_set_keepalive_cmd *) skb->data; 3013 cmd->keep_alive_intvl = keep_alive_intvl; 3014 3015 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID, 3016 NO_SYNC_WMIFLAG); 3017 3018 if (ret == 0) 3019 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl); 3020 3021 return ret; 3022 } 3023 3024 int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx, 3025 enum ieee80211_band band, 3026 struct ath6kl_htcap *htcap) 3027 { 3028 struct sk_buff *skb; 3029 struct wmi_set_htcap_cmd *cmd; 3030 3031 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3032 if (!skb) 3033 return -ENOMEM; 3034 3035 cmd = (struct wmi_set_htcap_cmd *) skb->data; 3036 3037 /* 3038 * NOTE: Band in firmware matches enum ieee80211_band, it is unlikely 3039 * this will be changed in firmware. If at all there is any change in 3040 * band value, the host needs to be fixed. 3041 */ 3042 cmd->band = band; 3043 cmd->ht_enable = !!htcap->ht_enable; 3044 cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20); 3045 cmd->ht40_supported = 3046 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40); 3047 cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40); 3048 cmd->intolerant_40mhz = 3049 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT); 3050 cmd->max_ampdu_len_exp = htcap->ampdu_factor; 3051 3052 ath6kl_dbg(ATH6KL_DBG_WMI, 3053 "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n", 3054 cmd->band, cmd->ht_enable, cmd->ht40_supported, 3055 cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz, 3056 cmd->max_ampdu_len_exp); 3057 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID, 3058 NO_SYNC_WMIFLAG); 3059 } 3060 3061 int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len) 3062 { 3063 struct sk_buff *skb; 3064 int ret; 3065 3066 skb = ath6kl_wmi_get_new_buf(len); 3067 if (!skb) 3068 return -ENOMEM; 3069 3070 memcpy(skb->data, buf, len); 3071 3072 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG); 3073 3074 return ret; 3075 } 3076 3077 int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on) 3078 { 3079 struct sk_buff *skb; 3080 struct wmi_mcast_filter_cmd *cmd; 3081 int ret; 3082 3083 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3084 if (!skb) 3085 return -ENOMEM; 3086 3087 cmd = (struct wmi_mcast_filter_cmd *) skb->data; 3088 cmd->mcast_all_enable = mc_all_on; 3089 3090 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID, 3091 NO_SYNC_WMIFLAG); 3092 return ret; 3093 } 3094 3095 int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, 3096 u8 *filter, bool add_filter) 3097 { 3098 struct sk_buff *skb; 3099 struct wmi_mcast_filter_add_del_cmd *cmd; 3100 int ret; 3101 3102 if ((filter[0] != 0x33 || filter[1] != 0x33) && 3103 (filter[0] != 0x01 || filter[1] != 0x00 || 3104 filter[2] != 0x5e || filter[3] > 0x7f)) { 3105 ath6kl_warn("invalid multicast filter address\n"); 3106 return -EINVAL; 3107 } 3108 3109 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3110 if (!skb) 3111 return -ENOMEM; 3112 3113 cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data; 3114 memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE); 3115 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, 3116 add_filter ? WMI_SET_MCAST_FILTER_CMDID : 3117 WMI_DEL_MCAST_FILTER_CMDID, 3118 NO_SYNC_WMIFLAG); 3119 3120 return ret; 3121 } 3122 3123 int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance) 3124 { 3125 struct sk_buff *skb; 3126 struct wmi_sta_bmiss_enhance_cmd *cmd; 3127 int ret; 3128 3129 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3130 if (!skb) 3131 return -ENOMEM; 3132 3133 cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data; 3134 cmd->enable = enhance ? 1 : 0; 3135 3136 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, 3137 WMI_STA_BMISS_ENHANCE_CMDID, 3138 NO_SYNC_WMIFLAG); 3139 return ret; 3140 } 3141 3142 s32 ath6kl_wmi_get_rate(s8 rate_index) 3143 { 3144 if (rate_index == RATE_AUTO) 3145 return 0; 3146 3147 return wmi_rate_tbl[(u32) rate_index][0]; 3148 } 3149 3150 static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap, 3151 u32 len) 3152 { 3153 struct wmi_pmkid_list_reply *reply; 3154 u32 expected_len; 3155 3156 if (len < sizeof(struct wmi_pmkid_list_reply)) 3157 return -EINVAL; 3158 3159 reply = (struct wmi_pmkid_list_reply *)datap; 3160 expected_len = sizeof(reply->num_pmkid) + 3161 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN; 3162 3163 if (len < expected_len) 3164 return -EINVAL; 3165 3166 return 0; 3167 } 3168 3169 static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len, 3170 struct ath6kl_vif *vif) 3171 { 3172 struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap; 3173 3174 aggr_recv_addba_req_evt(vif, cmd->tid, 3175 le16_to_cpu(cmd->st_seq_no), cmd->win_sz); 3176 3177 return 0; 3178 } 3179 3180 static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len, 3181 struct ath6kl_vif *vif) 3182 { 3183 struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap; 3184 3185 aggr_recv_delba_req_evt(vif, cmd->tid); 3186 3187 return 0; 3188 } 3189 3190 /* AP mode functions */ 3191 3192 int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx, 3193 struct wmi_connect_cmd *p) 3194 { 3195 struct sk_buff *skb; 3196 struct wmi_connect_cmd *cm; 3197 int res; 3198 3199 skb = ath6kl_wmi_get_new_buf(sizeof(*cm)); 3200 if (!skb) 3201 return -ENOMEM; 3202 3203 cm = (struct wmi_connect_cmd *) skb->data; 3204 memcpy(cm, p, sizeof(*cm)); 3205 3206 res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID, 3207 NO_SYNC_WMIFLAG); 3208 ath6kl_dbg(ATH6KL_DBG_WMI, 3209 "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n", 3210 __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch), 3211 le32_to_cpu(p->ctrl_flags), res); 3212 return res; 3213 } 3214 3215 int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac, 3216 u16 reason) 3217 { 3218 struct sk_buff *skb; 3219 struct wmi_ap_set_mlme_cmd *cm; 3220 3221 skb = ath6kl_wmi_get_new_buf(sizeof(*cm)); 3222 if (!skb) 3223 return -ENOMEM; 3224 3225 cm = (struct wmi_ap_set_mlme_cmd *) skb->data; 3226 memcpy(cm->mac, mac, ETH_ALEN); 3227 cm->reason = cpu_to_le16(reason); 3228 cm->cmd = cmd; 3229 3230 ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd, 3231 cm->reason); 3232 3233 return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID, 3234 NO_SYNC_WMIFLAG); 3235 } 3236 3237 int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable) 3238 { 3239 struct sk_buff *skb; 3240 struct wmi_ap_hidden_ssid_cmd *cmd; 3241 3242 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3243 if (!skb) 3244 return -ENOMEM; 3245 3246 cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data; 3247 cmd->hidden_ssid = enable ? 1 : 0; 3248 3249 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID, 3250 NO_SYNC_WMIFLAG); 3251 } 3252 3253 /* This command will be used to enable/disable AP uAPSD feature */ 3254 int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable) 3255 { 3256 struct wmi_ap_set_apsd_cmd *cmd; 3257 struct sk_buff *skb; 3258 3259 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3260 if (!skb) 3261 return -ENOMEM; 3262 3263 cmd = (struct wmi_ap_set_apsd_cmd *)skb->data; 3264 cmd->enable = enable; 3265 3266 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID, 3267 NO_SYNC_WMIFLAG); 3268 } 3269 3270 int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx, 3271 u16 aid, u16 bitmap, u32 flags) 3272 { 3273 struct wmi_ap_apsd_buffered_traffic_cmd *cmd; 3274 struct sk_buff *skb; 3275 3276 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3277 if (!skb) 3278 return -ENOMEM; 3279 3280 cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data; 3281 cmd->aid = cpu_to_le16(aid); 3282 cmd->bitmap = cpu_to_le16(bitmap); 3283 cmd->flags = cpu_to_le32(flags); 3284 3285 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, 3286 WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID, 3287 NO_SYNC_WMIFLAG); 3288 } 3289 3290 static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len, 3291 struct ath6kl_vif *vif) 3292 { 3293 struct wmi_pspoll_event *ev; 3294 3295 if (len < sizeof(struct wmi_pspoll_event)) 3296 return -EINVAL; 3297 3298 ev = (struct wmi_pspoll_event *) datap; 3299 3300 ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid)); 3301 3302 return 0; 3303 } 3304 3305 static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len, 3306 struct ath6kl_vif *vif) 3307 { 3308 ath6kl_dtimexpiry_event(vif); 3309 3310 return 0; 3311 } 3312 3313 int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid, 3314 bool flag) 3315 { 3316 struct sk_buff *skb; 3317 struct wmi_ap_set_pvb_cmd *cmd; 3318 int ret; 3319 3320 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd)); 3321 if (!skb) 3322 return -ENOMEM; 3323 3324 cmd = (struct wmi_ap_set_pvb_cmd *) skb->data; 3325 cmd->aid = cpu_to_le16(aid); 3326 cmd->rsvd = cpu_to_le16(0); 3327 cmd->flag = cpu_to_le32(flag); 3328 3329 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID, 3330 NO_SYNC_WMIFLAG); 3331 3332 return 0; 3333 } 3334 3335 int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx, 3336 u8 rx_meta_ver, 3337 bool rx_dot11_hdr, bool defrag_on_host) 3338 { 3339 struct sk_buff *skb; 3340 struct wmi_rx_frame_format_cmd *cmd; 3341 int ret; 3342 3343 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3344 if (!skb) 3345 return -ENOMEM; 3346 3347 cmd = (struct wmi_rx_frame_format_cmd *) skb->data; 3348 cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0; 3349 cmd->defrag_on_host = defrag_on_host ? 1 : 0; 3350 cmd->meta_ver = rx_meta_ver; 3351 3352 /* Delete the local aggr state, on host */ 3353 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID, 3354 NO_SYNC_WMIFLAG); 3355 3356 return ret; 3357 } 3358 3359 int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type, 3360 const u8 *ie, u8 ie_len) 3361 { 3362 struct sk_buff *skb; 3363 struct wmi_set_appie_cmd *p; 3364 3365 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len); 3366 if (!skb) 3367 return -ENOMEM; 3368 3369 ath6kl_dbg(ATH6KL_DBG_WMI, 3370 "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n", 3371 mgmt_frm_type, ie_len); 3372 p = (struct wmi_set_appie_cmd *) skb->data; 3373 p->mgmt_frm_type = mgmt_frm_type; 3374 p->ie_len = ie_len; 3375 3376 if (ie != NULL && ie_len > 0) 3377 memcpy(p->ie_info, ie, ie_len); 3378 3379 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID, 3380 NO_SYNC_WMIFLAG); 3381 } 3382 3383 int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field, 3384 const u8 *ie_info, u8 ie_len) 3385 { 3386 struct sk_buff *skb; 3387 struct wmi_set_ie_cmd *p; 3388 3389 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len); 3390 if (!skb) 3391 return -ENOMEM; 3392 3393 ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n", 3394 ie_id, ie_field, ie_len); 3395 p = (struct wmi_set_ie_cmd *) skb->data; 3396 p->ie_id = ie_id; 3397 p->ie_field = ie_field; 3398 p->ie_len = ie_len; 3399 if (ie_info && ie_len > 0) 3400 memcpy(p->ie_info, ie_info, ie_len); 3401 3402 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID, 3403 NO_SYNC_WMIFLAG); 3404 } 3405 3406 int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable) 3407 { 3408 struct sk_buff *skb; 3409 struct wmi_disable_11b_rates_cmd *cmd; 3410 3411 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3412 if (!skb) 3413 return -ENOMEM; 3414 3415 ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n", 3416 disable); 3417 cmd = (struct wmi_disable_11b_rates_cmd *) skb->data; 3418 cmd->disable = disable ? 1 : 0; 3419 3420 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID, 3421 NO_SYNC_WMIFLAG); 3422 } 3423 3424 int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur) 3425 { 3426 struct sk_buff *skb; 3427 struct wmi_remain_on_chnl_cmd *p; 3428 3429 skb = ath6kl_wmi_get_new_buf(sizeof(*p)); 3430 if (!skb) 3431 return -ENOMEM; 3432 3433 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n", 3434 freq, dur); 3435 p = (struct wmi_remain_on_chnl_cmd *) skb->data; 3436 p->freq = cpu_to_le32(freq); 3437 p->duration = cpu_to_le32(dur); 3438 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID, 3439 NO_SYNC_WMIFLAG); 3440 } 3441 3442 /* ath6kl_wmi_send_action_cmd is to be deprecated. Use 3443 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P 3444 * mgmt operations using station interface. 3445 */ 3446 static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id, 3447 u32 freq, u32 wait, const u8 *data, 3448 u16 data_len) 3449 { 3450 struct sk_buff *skb; 3451 struct wmi_send_action_cmd *p; 3452 u8 *buf; 3453 3454 if (wait) 3455 return -EINVAL; /* Offload for wait not supported */ 3456 3457 buf = kmalloc(data_len, GFP_KERNEL); 3458 if (!buf) 3459 return -ENOMEM; 3460 3461 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len); 3462 if (!skb) { 3463 kfree(buf); 3464 return -ENOMEM; 3465 } 3466 3467 kfree(wmi->last_mgmt_tx_frame); 3468 memcpy(buf, data, data_len); 3469 wmi->last_mgmt_tx_frame = buf; 3470 wmi->last_mgmt_tx_frame_len = data_len; 3471 3472 ath6kl_dbg(ATH6KL_DBG_WMI, 3473 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n", 3474 id, freq, wait, data_len); 3475 p = (struct wmi_send_action_cmd *) skb->data; 3476 p->id = cpu_to_le32(id); 3477 p->freq = cpu_to_le32(freq); 3478 p->wait = cpu_to_le32(wait); 3479 p->len = cpu_to_le16(data_len); 3480 memcpy(p->data, data, data_len); 3481 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID, 3482 NO_SYNC_WMIFLAG); 3483 } 3484 3485 static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, 3486 u32 freq, u32 wait, const u8 *data, 3487 u16 data_len, u32 no_cck) 3488 { 3489 struct sk_buff *skb; 3490 struct wmi_send_mgmt_cmd *p; 3491 u8 *buf; 3492 3493 if (wait) 3494 return -EINVAL; /* Offload for wait not supported */ 3495 3496 buf = kmalloc(data_len, GFP_KERNEL); 3497 if (!buf) 3498 return -ENOMEM; 3499 3500 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len); 3501 if (!skb) { 3502 kfree(buf); 3503 return -ENOMEM; 3504 } 3505 3506 kfree(wmi->last_mgmt_tx_frame); 3507 memcpy(buf, data, data_len); 3508 wmi->last_mgmt_tx_frame = buf; 3509 wmi->last_mgmt_tx_frame_len = data_len; 3510 3511 ath6kl_dbg(ATH6KL_DBG_WMI, 3512 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n", 3513 id, freq, wait, data_len); 3514 p = (struct wmi_send_mgmt_cmd *) skb->data; 3515 p->id = cpu_to_le32(id); 3516 p->freq = cpu_to_le32(freq); 3517 p->wait = cpu_to_le32(wait); 3518 p->no_cck = cpu_to_le32(no_cck); 3519 p->len = cpu_to_le16(data_len); 3520 memcpy(p->data, data, data_len); 3521 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID, 3522 NO_SYNC_WMIFLAG); 3523 } 3524 3525 int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq, 3526 u32 wait, const u8 *data, u16 data_len, 3527 u32 no_cck) 3528 { 3529 int status; 3530 struct ath6kl *ar = wmi->parent_dev; 3531 3532 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, 3533 ar->fw_capabilities)) { 3534 /* 3535 * If capable of doing P2P mgmt operations using 3536 * station interface, send additional information like 3537 * supported rates to advertise and xmit rates for 3538 * probe requests 3539 */ 3540 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq, 3541 wait, data, data_len, 3542 no_cck); 3543 } else { 3544 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq, 3545 wait, data, data_len); 3546 } 3547 3548 return status; 3549 } 3550 3551 int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq, 3552 const u8 *dst, const u8 *data, 3553 u16 data_len) 3554 { 3555 struct sk_buff *skb; 3556 struct wmi_p2p_probe_response_cmd *p; 3557 size_t cmd_len = sizeof(*p) + data_len; 3558 3559 if (data_len == 0) 3560 cmd_len++; /* work around target minimum length requirement */ 3561 3562 skb = ath6kl_wmi_get_new_buf(cmd_len); 3563 if (!skb) 3564 return -ENOMEM; 3565 3566 ath6kl_dbg(ATH6KL_DBG_WMI, 3567 "send_probe_response_cmd: freq=%u dst=%pM len=%u\n", 3568 freq, dst, data_len); 3569 p = (struct wmi_p2p_probe_response_cmd *) skb->data; 3570 p->freq = cpu_to_le32(freq); 3571 memcpy(p->destination_addr, dst, ETH_ALEN); 3572 p->len = cpu_to_le16(data_len); 3573 memcpy(p->data, data, data_len); 3574 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, 3575 WMI_SEND_PROBE_RESPONSE_CMDID, 3576 NO_SYNC_WMIFLAG); 3577 } 3578 3579 int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable) 3580 { 3581 struct sk_buff *skb; 3582 struct wmi_probe_req_report_cmd *p; 3583 3584 skb = ath6kl_wmi_get_new_buf(sizeof(*p)); 3585 if (!skb) 3586 return -ENOMEM; 3587 3588 ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n", 3589 enable); 3590 p = (struct wmi_probe_req_report_cmd *) skb->data; 3591 p->enable = enable ? 1 : 0; 3592 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID, 3593 NO_SYNC_WMIFLAG); 3594 } 3595 3596 int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags) 3597 { 3598 struct sk_buff *skb; 3599 struct wmi_get_p2p_info *p; 3600 3601 skb = ath6kl_wmi_get_new_buf(sizeof(*p)); 3602 if (!skb) 3603 return -ENOMEM; 3604 3605 ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n", 3606 info_req_flags); 3607 p = (struct wmi_get_p2p_info *) skb->data; 3608 p->info_req_flags = cpu_to_le32(info_req_flags); 3609 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID, 3610 NO_SYNC_WMIFLAG); 3611 } 3612 3613 int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx) 3614 { 3615 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n"); 3616 return ath6kl_wmi_simple_cmd(wmi, if_idx, 3617 WMI_CANCEL_REMAIN_ON_CHNL_CMDID); 3618 } 3619 3620 int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout) 3621 { 3622 struct sk_buff *skb; 3623 struct wmi_set_inact_period_cmd *cmd; 3624 3625 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd)); 3626 if (!skb) 3627 return -ENOMEM; 3628 3629 cmd = (struct wmi_set_inact_period_cmd *) skb->data; 3630 cmd->inact_period = cpu_to_le32(inact_timeout); 3631 cmd->num_null_func = 0; 3632 3633 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID, 3634 NO_SYNC_WMIFLAG); 3635 } 3636 3637 static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb) 3638 { 3639 struct wmix_cmd_hdr *cmd; 3640 u32 len; 3641 u16 id; 3642 u8 *datap; 3643 int ret = 0; 3644 3645 if (skb->len < sizeof(struct wmix_cmd_hdr)) { 3646 ath6kl_err("bad packet 1\n"); 3647 return -EINVAL; 3648 } 3649 3650 cmd = (struct wmix_cmd_hdr *) skb->data; 3651 id = le32_to_cpu(cmd->cmd_id); 3652 3653 skb_pull(skb, sizeof(struct wmix_cmd_hdr)); 3654 3655 datap = skb->data; 3656 len = skb->len; 3657 3658 switch (id) { 3659 case WMIX_HB_CHALLENGE_RESP_EVENTID: 3660 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n"); 3661 break; 3662 case WMIX_DBGLOG_EVENTID: 3663 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len); 3664 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len); 3665 break; 3666 default: 3667 ath6kl_warn("unknown cmd id 0x%x\n", id); 3668 ret = -EINVAL; 3669 break; 3670 } 3671 3672 return ret; 3673 } 3674 3675 static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len) 3676 { 3677 return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len); 3678 } 3679 3680 /* Process interface specific wmi events, caller would free the datap */ 3681 static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id, 3682 u8 *datap, u32 len) 3683 { 3684 struct ath6kl_vif *vif; 3685 3686 vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx); 3687 if (!vif) { 3688 ath6kl_dbg(ATH6KL_DBG_WMI, 3689 "Wmi event for unavailable vif, vif_index:%d\n", 3690 if_idx); 3691 return -EINVAL; 3692 } 3693 3694 switch (cmd_id) { 3695 case WMI_CONNECT_EVENTID: 3696 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n"); 3697 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif); 3698 case WMI_DISCONNECT_EVENTID: 3699 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n"); 3700 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif); 3701 case WMI_TKIP_MICERR_EVENTID: 3702 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n"); 3703 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif); 3704 case WMI_BSSINFO_EVENTID: 3705 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n"); 3706 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif); 3707 case WMI_NEIGHBOR_REPORT_EVENTID: 3708 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n"); 3709 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len, 3710 vif); 3711 case WMI_SCAN_COMPLETE_EVENTID: 3712 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n"); 3713 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif); 3714 case WMI_REPORT_STATISTICS_EVENTID: 3715 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n"); 3716 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif); 3717 case WMI_CAC_EVENTID: 3718 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n"); 3719 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif); 3720 case WMI_PSPOLL_EVENTID: 3721 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n"); 3722 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif); 3723 case WMI_DTIMEXPIRY_EVENTID: 3724 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n"); 3725 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif); 3726 case WMI_ADDBA_REQ_EVENTID: 3727 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n"); 3728 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif); 3729 case WMI_DELBA_REQ_EVENTID: 3730 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n"); 3731 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif); 3732 case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID: 3733 ath6kl_dbg(ATH6KL_DBG_WMI, 3734 "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID"); 3735 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif); 3736 case WMI_REMAIN_ON_CHNL_EVENTID: 3737 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n"); 3738 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif); 3739 case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID: 3740 ath6kl_dbg(ATH6KL_DBG_WMI, 3741 "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n"); 3742 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap, 3743 len, vif); 3744 case WMI_TX_STATUS_EVENTID: 3745 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n"); 3746 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif); 3747 case WMI_RX_PROBE_REQ_EVENTID: 3748 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n"); 3749 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif); 3750 case WMI_RX_ACTION_EVENTID: 3751 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n"); 3752 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif); 3753 default: 3754 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id); 3755 return -EINVAL; 3756 } 3757 3758 return 0; 3759 } 3760 3761 static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb) 3762 { 3763 struct wmi_cmd_hdr *cmd; 3764 int ret = 0; 3765 u32 len; 3766 u16 id; 3767 u8 if_idx; 3768 u8 *datap; 3769 3770 cmd = (struct wmi_cmd_hdr *) skb->data; 3771 id = le16_to_cpu(cmd->cmd_id); 3772 if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK; 3773 3774 skb_pull(skb, sizeof(struct wmi_cmd_hdr)); 3775 datap = skb->data; 3776 len = skb->len; 3777 3778 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len); 3779 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ", 3780 datap, len); 3781 3782 switch (id) { 3783 case WMI_GET_BITRATE_CMDID: 3784 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n"); 3785 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len); 3786 break; 3787 case WMI_GET_CHANNEL_LIST_CMDID: 3788 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n"); 3789 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len); 3790 break; 3791 case WMI_GET_TX_PWR_CMDID: 3792 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n"); 3793 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len); 3794 break; 3795 case WMI_READY_EVENTID: 3796 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n"); 3797 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len); 3798 break; 3799 case WMI_PEER_NODE_EVENTID: 3800 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n"); 3801 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len); 3802 break; 3803 case WMI_REGDOMAIN_EVENTID: 3804 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n"); 3805 ath6kl_wmi_regdomain_event(wmi, datap, len); 3806 break; 3807 case WMI_PSTREAM_TIMEOUT_EVENTID: 3808 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n"); 3809 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len); 3810 break; 3811 case WMI_CMDERROR_EVENTID: 3812 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n"); 3813 ret = ath6kl_wmi_error_event_rx(wmi, datap, len); 3814 break; 3815 case WMI_RSSI_THRESHOLD_EVENTID: 3816 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n"); 3817 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len); 3818 break; 3819 case WMI_ERROR_REPORT_EVENTID: 3820 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n"); 3821 break; 3822 case WMI_OPT_RX_FRAME_EVENTID: 3823 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n"); 3824 /* this event has been deprecated */ 3825 break; 3826 case WMI_REPORT_ROAM_TBL_EVENTID: 3827 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n"); 3828 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len); 3829 break; 3830 case WMI_EXTENSION_EVENTID: 3831 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n"); 3832 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb); 3833 break; 3834 case WMI_CHANNEL_CHANGE_EVENTID: 3835 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n"); 3836 break; 3837 case WMI_REPORT_ROAM_DATA_EVENTID: 3838 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n"); 3839 break; 3840 case WMI_TEST_EVENTID: 3841 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n"); 3842 ret = ath6kl_wmi_test_rx(wmi, datap, len); 3843 break; 3844 case WMI_GET_FIXRATES_CMDID: 3845 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n"); 3846 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len); 3847 break; 3848 case WMI_TX_RETRY_ERR_EVENTID: 3849 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n"); 3850 break; 3851 case WMI_SNR_THRESHOLD_EVENTID: 3852 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n"); 3853 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len); 3854 break; 3855 case WMI_LQ_THRESHOLD_EVENTID: 3856 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n"); 3857 break; 3858 case WMI_APLIST_EVENTID: 3859 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n"); 3860 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len); 3861 break; 3862 case WMI_GET_KEEPALIVE_CMDID: 3863 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n"); 3864 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len); 3865 break; 3866 case WMI_GET_WOW_LIST_EVENTID: 3867 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n"); 3868 break; 3869 case WMI_GET_PMKID_LIST_EVENTID: 3870 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n"); 3871 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len); 3872 break; 3873 case WMI_SET_PARAMS_REPLY_EVENTID: 3874 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n"); 3875 break; 3876 case WMI_ADDBA_RESP_EVENTID: 3877 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n"); 3878 break; 3879 case WMI_REPORT_BTCOEX_CONFIG_EVENTID: 3880 ath6kl_dbg(ATH6KL_DBG_WMI, 3881 "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n"); 3882 break; 3883 case WMI_REPORT_BTCOEX_STATS_EVENTID: 3884 ath6kl_dbg(ATH6KL_DBG_WMI, 3885 "WMI_REPORT_BTCOEX_STATS_EVENTID\n"); 3886 break; 3887 case WMI_TX_COMPLETE_EVENTID: 3888 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n"); 3889 ret = ath6kl_wmi_tx_complete_event_rx(datap, len); 3890 break; 3891 case WMI_P2P_CAPABILITIES_EVENTID: 3892 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n"); 3893 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len); 3894 break; 3895 case WMI_P2P_INFO_EVENTID: 3896 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n"); 3897 ret = ath6kl_wmi_p2p_info_event_rx(datap, len); 3898 break; 3899 default: 3900 /* may be the event is interface specific */ 3901 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len); 3902 break; 3903 } 3904 3905 dev_kfree_skb(skb); 3906 return ret; 3907 } 3908 3909 /* Control Path */ 3910 int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb) 3911 { 3912 if (WARN_ON(skb == NULL)) 3913 return -EINVAL; 3914 3915 if (skb->len < sizeof(struct wmi_cmd_hdr)) { 3916 ath6kl_err("bad packet 1\n"); 3917 dev_kfree_skb(skb); 3918 return -EINVAL; 3919 } 3920 3921 return ath6kl_wmi_proc_events(wmi, skb); 3922 } 3923 3924 void ath6kl_wmi_reset(struct wmi *wmi) 3925 { 3926 spin_lock_bh(&wmi->lock); 3927 3928 wmi->fat_pipe_exist = 0; 3929 memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac)); 3930 3931 spin_unlock_bh(&wmi->lock); 3932 } 3933 3934 void *ath6kl_wmi_init(struct ath6kl *dev) 3935 { 3936 struct wmi *wmi; 3937 3938 wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL); 3939 if (!wmi) 3940 return NULL; 3941 3942 spin_lock_init(&wmi->lock); 3943 3944 wmi->parent_dev = dev; 3945 3946 wmi->pwr_mode = REC_POWER; 3947 3948 ath6kl_wmi_reset(wmi); 3949 3950 return wmi; 3951 } 3952 3953 void ath6kl_wmi_shutdown(struct wmi *wmi) 3954 { 3955 if (!wmi) 3956 return; 3957 3958 kfree(wmi->last_mgmt_tx_frame); 3959 kfree(wmi); 3960 } 3961