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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 any6 * purpose with or without fee is hereby granted, provided that the above7 * copyright notice and this permission notice appear in all copies.8 *9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF15 * 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 "trace.h"24#include "../regd.h"25#include "../regd_common.h"26 27static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx);28 29static const s32 wmi_rate_tbl[][2] = {30 /* {W/O SGI, with SGI} */31 {1000, 1000},32 {2000, 2000},33 {5500, 5500},34 {11000, 11000},35 {6000, 6000},36 {9000, 9000},37 {12000, 12000},38 {18000, 18000},39 {24000, 24000},40 {36000, 36000},41 {48000, 48000},42 {54000, 54000},43 {6500, 7200},44 {13000, 14400},45 {19500, 21700},46 {26000, 28900},47 {39000, 43300},48 {52000, 57800},49 {58500, 65000},50 {65000, 72200},51 {13500, 15000},52 {27000, 30000},53 {40500, 45000},54 {54000, 60000},55 {81000, 90000},56 {108000, 120000},57 {121500, 135000},58 {135000, 150000},59 {0, 0}60};61 62static const s32 wmi_rate_tbl_mcs15[][2] = {63 /* {W/O SGI, with SGI} */64 {1000, 1000},65 {2000, 2000},66 {5500, 5500},67 {11000, 11000},68 {6000, 6000},69 {9000, 9000},70 {12000, 12000},71 {18000, 18000},72 {24000, 24000},73 {36000, 36000},74 {48000, 48000},75 {54000, 54000},76 {6500, 7200}, /* HT 20, MCS 0 */77 {13000, 14400},78 {19500, 21700},79 {26000, 28900},80 {39000, 43300},81 {52000, 57800},82 {58500, 65000},83 {65000, 72200},84 {13000, 14400}, /* HT 20, MCS 8 */85 {26000, 28900},86 {39000, 43300},87 {52000, 57800},88 {78000, 86700},89 {104000, 115600},90 {117000, 130000},91 {130000, 144400}, /* HT 20, MCS 15 */92 {13500, 15000}, /*HT 40, MCS 0 */93 {27000, 30000},94 {40500, 45000},95 {54000, 60000},96 {81000, 90000},97 {108000, 120000},98 {121500, 135000},99 {135000, 150000},100 {27000, 30000}, /*HT 40, MCS 8 */101 {54000, 60000},102 {81000, 90000},103 {108000, 120000},104 {162000, 180000},105 {216000, 240000},106 {243000, 270000},107 {270000, 300000}, /*HT 40, MCS 15 */108 {0, 0}109};110 111/* 802.1d to AC mapping. Refer pg 57 of WMM-test-plan-v1.2 */112static const u8 up_to_ac[] = {113 WMM_AC_BE,114 WMM_AC_BK,115 WMM_AC_BK,116 WMM_AC_BE,117 WMM_AC_VI,118 WMM_AC_VI,119 WMM_AC_VO,120 WMM_AC_VO,121};122 123void ath6kl_wmi_set_control_ep(struct wmi *wmi, enum htc_endpoint_id ep_id)124{125 if (WARN_ON(ep_id == ENDPOINT_UNUSED || ep_id >= ENDPOINT_MAX))126 return;127 128 wmi->ep_id = ep_id;129}130 131enum htc_endpoint_id ath6kl_wmi_get_control_ep(struct wmi *wmi)132{133 return wmi->ep_id;134}135 136struct ath6kl_vif *ath6kl_get_vif_by_index(struct ath6kl *ar, u8 if_idx)137{138 struct ath6kl_vif *vif, *found = NULL;139 140 if (WARN_ON(if_idx > (ar->vif_max - 1)))141 return NULL;142 143 /* FIXME: Locking */144 spin_lock_bh(&ar->list_lock);145 list_for_each_entry(vif, &ar->vif_list, list) {146 if (vif->fw_vif_idx == if_idx) {147 found = vif;148 break;149 }150 }151 spin_unlock_bh(&ar->list_lock);152 153 return found;154}155 156/* Performs DIX to 802.3 encapsulation for transmit packets.157 * Assumes the entire DIX header is contiguous and that there is158 * enough room in the buffer for a 802.3 mac header and LLC+SNAP headers.159 */160int ath6kl_wmi_dix_2_dot3(struct wmi *wmi, struct sk_buff *skb)161{162 struct ath6kl_llc_snap_hdr *llc_hdr;163 struct ethhdr *eth_hdr;164 size_t new_len;165 __be16 type;166 u8 *datap;167 u16 size;168 169 if (WARN_ON(skb == NULL))170 return -EINVAL;171 172 size = sizeof(struct ath6kl_llc_snap_hdr) + sizeof(struct wmi_data_hdr);173 if (skb_headroom(skb) < size)174 return -ENOMEM;175 176 eth_hdr = (struct ethhdr *) skb->data;177 type = eth_hdr->h_proto;178 179 if (!is_ethertype(be16_to_cpu(type))) {180 ath6kl_dbg(ATH6KL_DBG_WMI,181 "%s: pkt is already in 802.3 format\n", __func__);182 return 0;183 }184 185 new_len = skb->len - sizeof(*eth_hdr) + sizeof(*llc_hdr);186 187 skb_push(skb, sizeof(struct ath6kl_llc_snap_hdr));188 datap = skb->data;189 190 eth_hdr->h_proto = cpu_to_be16(new_len);191 192 memcpy(datap, eth_hdr, sizeof(*eth_hdr));193 194 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap + sizeof(*eth_hdr));195 llc_hdr->dsap = 0xAA;196 llc_hdr->ssap = 0xAA;197 llc_hdr->cntl = 0x03;198 llc_hdr->org_code[0] = 0x0;199 llc_hdr->org_code[1] = 0x0;200 llc_hdr->org_code[2] = 0x0;201 llc_hdr->eth_type = type;202 203 return 0;204}205 206static int ath6kl_wmi_meta_add(struct wmi *wmi, struct sk_buff *skb,207 u8 *version, void *tx_meta_info)208{209 struct wmi_tx_meta_v1 *v1;210 struct wmi_tx_meta_v2 *v2;211 212 if (WARN_ON(skb == NULL || version == NULL))213 return -EINVAL;214 215 switch (*version) {216 case WMI_META_VERSION_1:217 skb_push(skb, WMI_MAX_TX_META_SZ);218 v1 = (struct wmi_tx_meta_v1 *) skb->data;219 v1->pkt_id = 0;220 v1->rate_plcy_id = 0;221 *version = WMI_META_VERSION_1;222 break;223 case WMI_META_VERSION_2:224 skb_push(skb, WMI_MAX_TX_META_SZ);225 v2 = (struct wmi_tx_meta_v2 *) skb->data;226 memcpy(v2, (struct wmi_tx_meta_v2 *) tx_meta_info,227 sizeof(struct wmi_tx_meta_v2));228 break;229 }230 231 return 0;232}233 234int ath6kl_wmi_data_hdr_add(struct wmi *wmi, struct sk_buff *skb,235 u8 msg_type, u32 flags,236 enum wmi_data_hdr_data_type data_type,237 u8 meta_ver, void *tx_meta_info, u8 if_idx)238{239 struct wmi_data_hdr *data_hdr;240 int ret;241 242 if (WARN_ON(skb == NULL || (if_idx > wmi->parent_dev->vif_max - 1)))243 return -EINVAL;244 245 if (tx_meta_info) {246 ret = ath6kl_wmi_meta_add(wmi, skb, &meta_ver, tx_meta_info);247 if (ret)248 return ret;249 }250 251 skb_push(skb, sizeof(struct wmi_data_hdr));252 253 data_hdr = (struct wmi_data_hdr *)skb->data;254 memset(data_hdr, 0, sizeof(struct wmi_data_hdr));255 256 data_hdr->info = msg_type << WMI_DATA_HDR_MSG_TYPE_SHIFT;257 data_hdr->info |= data_type << WMI_DATA_HDR_DATA_TYPE_SHIFT;258 259 if (flags & WMI_DATA_HDR_FLAGS_MORE)260 data_hdr->info |= WMI_DATA_HDR_MORE;261 262 if (flags & WMI_DATA_HDR_FLAGS_EOSP)263 data_hdr->info3 |= cpu_to_le16(WMI_DATA_HDR_EOSP);264 265 data_hdr->info2 |= cpu_to_le16(meta_ver << WMI_DATA_HDR_META_SHIFT);266 data_hdr->info3 |= cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);267 268 return 0;269}270 271u8 ath6kl_wmi_determine_user_priority(u8 *pkt, u32 layer2_pri)272{273 struct iphdr *ip_hdr = (struct iphdr *) pkt;274 u8 ip_pri;275 276 /*277 * Determine IPTOS priority278 *279 * IP-TOS - 8bits280 * : DSCP(6-bits) ECN(2-bits)281 * : DSCP - P2 P1 P0 X X X282 * where (P2 P1 P0) form 802.1D283 */284 ip_pri = ip_hdr->tos >> 5;285 ip_pri &= 0x7;286 287 if ((layer2_pri & 0x7) > ip_pri)288 return (u8) layer2_pri & 0x7;289 else290 return ip_pri;291}292 293u8 ath6kl_wmi_get_traffic_class(u8 user_priority)294{295 return up_to_ac[user_priority & 0x7];296}297 298int ath6kl_wmi_implicit_create_pstream(struct wmi *wmi, u8 if_idx,299 struct sk_buff *skb,300 u32 layer2_priority, bool wmm_enabled,301 u8 *ac)302{303 struct wmi_data_hdr *data_hdr;304 struct ath6kl_llc_snap_hdr *llc_hdr;305 struct wmi_create_pstream_cmd cmd;306 u32 meta_size, hdr_size;307 u16 ip_type = IP_ETHERTYPE;308 u8 stream_exist, usr_pri;309 u8 traffic_class = WMM_AC_BE;310 u8 *datap;311 312 if (WARN_ON(skb == NULL))313 return -EINVAL;314 315 datap = skb->data;316 data_hdr = (struct wmi_data_hdr *) datap;317 318 meta_size = ((le16_to_cpu(data_hdr->info2) >> WMI_DATA_HDR_META_SHIFT) &319 WMI_DATA_HDR_META_MASK) ? WMI_MAX_TX_META_SZ : 0;320 321 if (!wmm_enabled) {322 /* If WMM is disabled all traffic goes as BE traffic */323 usr_pri = 0;324 } else {325 hdr_size = sizeof(struct ethhdr);326 327 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap +328 sizeof(struct329 wmi_data_hdr) +330 meta_size + hdr_size);331 332 if (llc_hdr->eth_type == htons(ip_type)) {333 /*334 * Extract the endpoint info from the TOS field335 * in the IP header.336 */337 usr_pri =338 ath6kl_wmi_determine_user_priority(((u8 *) llc_hdr) +339 sizeof(struct ath6kl_llc_snap_hdr),340 layer2_priority);341 } else {342 usr_pri = layer2_priority & 0x7;343 }344 345 /*346 * Queue the EAPOL frames in the same WMM_AC_VO queue347 * as that of management frames.348 */349 if (skb->protocol == cpu_to_be16(ETH_P_PAE))350 usr_pri = WMI_VOICE_USER_PRIORITY;351 }352 353 /*354 * workaround for WMM S5355 *356 * FIXME: wmi->traffic_class is always 100 so this test doesn't357 * make sense358 */359 if ((wmi->traffic_class == WMM_AC_VI) &&360 ((usr_pri == 5) || (usr_pri == 4)))361 usr_pri = 1;362 363 /* Convert user priority to traffic class */364 traffic_class = up_to_ac[usr_pri & 0x7];365 366 wmi_data_hdr_set_up(data_hdr, usr_pri);367 368 spin_lock_bh(&wmi->lock);369 stream_exist = wmi->fat_pipe_exist;370 spin_unlock_bh(&wmi->lock);371 372 if (!(stream_exist & (1 << traffic_class))) {373 memset(&cmd, 0, sizeof(cmd));374 cmd.traffic_class = traffic_class;375 cmd.user_pri = usr_pri;376 cmd.inactivity_int =377 cpu_to_le32(WMI_IMPLICIT_PSTREAM_INACTIVITY_INT);378 /* Implicit streams are created with TSID 0xFF */379 cmd.tsid = WMI_IMPLICIT_PSTREAM;380 ath6kl_wmi_create_pstream_cmd(wmi, if_idx, &cmd);381 }382 383 *ac = traffic_class;384 385 return 0;386}387 388int ath6kl_wmi_dot11_hdr_remove(struct wmi *wmi, struct sk_buff *skb)389{390 struct ieee80211_hdr_3addr *pwh, wh;391 struct ath6kl_llc_snap_hdr *llc_hdr;392 struct ethhdr eth_hdr;393 u32 hdr_size;394 u8 *datap;395 __le16 sub_type;396 397 if (WARN_ON(skb == NULL))398 return -EINVAL;399 400 datap = skb->data;401 pwh = (struct ieee80211_hdr_3addr *) datap;402 403 sub_type = pwh->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE);404 405 memcpy((u8 *) &wh, datap, sizeof(struct ieee80211_hdr_3addr));406 407 /* Strip off the 802.11 header */408 if (sub_type == cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {409 hdr_size = roundup(sizeof(struct ieee80211_qos_hdr),410 sizeof(u32));411 skb_pull(skb, hdr_size);412 } else if (sub_type == cpu_to_le16(IEEE80211_STYPE_DATA)) {413 skb_pull(skb, sizeof(struct ieee80211_hdr_3addr));414 }415 416 datap = skb->data;417 llc_hdr = (struct ath6kl_llc_snap_hdr *)(datap);418 419 memset(ð_hdr, 0, sizeof(eth_hdr));420 eth_hdr.h_proto = llc_hdr->eth_type;421 422 switch ((le16_to_cpu(wh.frame_control)) &423 (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) {424 case IEEE80211_FCTL_TODS:425 memcpy(eth_hdr.h_dest, wh.addr3, ETH_ALEN);426 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);427 break;428 case IEEE80211_FCTL_FROMDS:429 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);430 memcpy(eth_hdr.h_source, wh.addr3, ETH_ALEN);431 break;432 case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:433 break;434 default:435 memcpy(eth_hdr.h_dest, wh.addr1, ETH_ALEN);436 memcpy(eth_hdr.h_source, wh.addr2, ETH_ALEN);437 break;438 }439 440 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));441 skb_push(skb, sizeof(eth_hdr));442 443 datap = skb->data;444 445 memcpy(datap, ð_hdr, sizeof(eth_hdr));446 447 return 0;448}449 450/*451 * Performs 802.3 to DIX encapsulation for received packets.452 * Assumes the entire 802.3 header is contiguous.453 */454int ath6kl_wmi_dot3_2_dix(struct sk_buff *skb)455{456 struct ath6kl_llc_snap_hdr *llc_hdr;457 struct ethhdr eth_hdr;458 u8 *datap;459 460 if (WARN_ON(skb == NULL))461 return -EINVAL;462 463 datap = skb->data;464 465 memcpy(ð_hdr, datap, sizeof(eth_hdr));466 467 llc_hdr = (struct ath6kl_llc_snap_hdr *) (datap + sizeof(eth_hdr));468 eth_hdr.h_proto = llc_hdr->eth_type;469 470 skb_pull(skb, sizeof(struct ath6kl_llc_snap_hdr));471 datap = skb->data;472 473 memcpy(datap, ð_hdr, sizeof(eth_hdr));474 475 return 0;476}477 478static int ath6kl_wmi_tx_complete_event_rx(u8 *datap, int len)479{480 struct tx_complete_msg_v1 *msg_v1;481 struct wmi_tx_complete_event *evt;482 int index;483 u16 size;484 485 evt = (struct wmi_tx_complete_event *) datap;486 487 ath6kl_dbg(ATH6KL_DBG_WMI, "comp: %d %d %d\n",488 evt->num_msg, evt->msg_len, evt->msg_type);489 490 for (index = 0; index < evt->num_msg; index++) {491 size = sizeof(struct wmi_tx_complete_event) +492 (index * sizeof(struct tx_complete_msg_v1));493 msg_v1 = (struct tx_complete_msg_v1 *)(datap + size);494 495 ath6kl_dbg(ATH6KL_DBG_WMI, "msg: %d %d %d %d\n",496 msg_v1->status, msg_v1->pkt_id,497 msg_v1->rate_idx, msg_v1->ack_failures);498 }499 500 return 0;501}502 503static int ath6kl_wmi_remain_on_chnl_event_rx(struct wmi *wmi, u8 *datap,504 int len, struct ath6kl_vif *vif)505{506 struct wmi_remain_on_chnl_event *ev;507 u32 freq;508 u32 dur;509 struct ieee80211_channel *chan;510 struct ath6kl *ar = wmi->parent_dev;511 u32 id;512 513 if (len < sizeof(*ev))514 return -EINVAL;515 516 ev = (struct wmi_remain_on_chnl_event *) datap;517 freq = le32_to_cpu(ev->freq);518 dur = le32_to_cpu(ev->duration);519 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl: freq=%u dur=%u\n",520 freq, dur);521 chan = ieee80211_get_channel(ar->wiphy, freq);522 if (!chan) {523 ath6kl_dbg(ATH6KL_DBG_WMI,524 "remain_on_chnl: Unknown channel (freq=%u)\n",525 freq);526 return -EINVAL;527 }528 id = vif->last_roc_id;529 cfg80211_ready_on_channel(&vif->wdev, id, chan,530 dur, GFP_ATOMIC);531 532 return 0;533}534 535static int ath6kl_wmi_cancel_remain_on_chnl_event_rx(struct wmi *wmi,536 u8 *datap, int len,537 struct ath6kl_vif *vif)538{539 struct wmi_cancel_remain_on_chnl_event *ev;540 u32 freq;541 u32 dur;542 struct ieee80211_channel *chan;543 struct ath6kl *ar = wmi->parent_dev;544 u32 id;545 546 if (len < sizeof(*ev))547 return -EINVAL;548 549 ev = (struct wmi_cancel_remain_on_chnl_event *) datap;550 freq = le32_to_cpu(ev->freq);551 dur = le32_to_cpu(ev->duration);552 ath6kl_dbg(ATH6KL_DBG_WMI,553 "cancel_remain_on_chnl: freq=%u dur=%u status=%u\n",554 freq, dur, ev->status);555 chan = ieee80211_get_channel(ar->wiphy, freq);556 if (!chan) {557 ath6kl_dbg(ATH6KL_DBG_WMI,558 "cancel_remain_on_chnl: Unknown channel (freq=%u)\n",559 freq);560 return -EINVAL;561 }562 if (vif->last_cancel_roc_id &&563 vif->last_cancel_roc_id + 1 == vif->last_roc_id)564 id = vif->last_cancel_roc_id; /* event for cancel command */565 else566 id = vif->last_roc_id; /* timeout on uncanceled r-o-c */567 vif->last_cancel_roc_id = 0;568 cfg80211_remain_on_channel_expired(&vif->wdev, id, chan, GFP_ATOMIC);569 570 return 0;571}572 573static int ath6kl_wmi_tx_status_event_rx(struct wmi *wmi, u8 *datap, int len,574 struct ath6kl_vif *vif)575{576 struct wmi_tx_status_event *ev;577 u32 id;578 579 if (len < sizeof(*ev))580 return -EINVAL;581 582 ev = (struct wmi_tx_status_event *) datap;583 id = le32_to_cpu(ev->id);584 ath6kl_dbg(ATH6KL_DBG_WMI, "tx_status: id=%x ack_status=%u\n",585 id, ev->ack_status);586 if (wmi->last_mgmt_tx_frame) {587 cfg80211_mgmt_tx_status(&vif->wdev, id,588 wmi->last_mgmt_tx_frame,589 wmi->last_mgmt_tx_frame_len,590 !!ev->ack_status, GFP_ATOMIC);591 kfree(wmi->last_mgmt_tx_frame);592 wmi->last_mgmt_tx_frame = NULL;593 wmi->last_mgmt_tx_frame_len = 0;594 }595 596 return 0;597}598 599static int ath6kl_wmi_rx_probe_req_event_rx(struct wmi *wmi, u8 *datap, int len,600 struct ath6kl_vif *vif)601{602 struct wmi_p2p_rx_probe_req_event *ev;603 u32 freq;604 u16 dlen;605 606 if (len < sizeof(*ev))607 return -EINVAL;608 609 ev = (struct wmi_p2p_rx_probe_req_event *) datap;610 freq = le32_to_cpu(ev->freq);611 dlen = le16_to_cpu(ev->len);612 if (datap + len < ev->data + dlen) {613 ath6kl_err("invalid wmi_p2p_rx_probe_req_event: len=%d dlen=%u\n",614 len, dlen);615 return -EINVAL;616 }617 ath6kl_dbg(ATH6KL_DBG_WMI,618 "rx_probe_req: len=%u freq=%u probe_req_report=%d\n",619 dlen, freq, vif->probe_req_report);620 621 if (vif->probe_req_report || vif->nw_type == AP_NETWORK)622 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);623 624 return 0;625}626 627static int ath6kl_wmi_p2p_capabilities_event_rx(u8 *datap, int len)628{629 struct wmi_p2p_capabilities_event *ev;630 u16 dlen;631 632 if (len < sizeof(*ev))633 return -EINVAL;634 635 ev = (struct wmi_p2p_capabilities_event *) datap;636 dlen = le16_to_cpu(ev->len);637 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_capab: len=%u\n", dlen);638 639 return 0;640}641 642static int ath6kl_wmi_rx_action_event_rx(struct wmi *wmi, u8 *datap, int len,643 struct ath6kl_vif *vif)644{645 struct wmi_rx_action_event *ev;646 u32 freq;647 u16 dlen;648 649 if (len < sizeof(*ev))650 return -EINVAL;651 652 ev = (struct wmi_rx_action_event *) datap;653 freq = le32_to_cpu(ev->freq);654 dlen = le16_to_cpu(ev->len);655 if (datap + len < ev->data + dlen) {656 ath6kl_err("invalid wmi_rx_action_event: len=%d dlen=%u\n",657 len, dlen);658 return -EINVAL;659 }660 ath6kl_dbg(ATH6KL_DBG_WMI, "rx_action: len=%u freq=%u\n", dlen, freq);661 cfg80211_rx_mgmt(&vif->wdev, freq, 0, ev->data, dlen, 0);662 663 return 0;664}665 666static int ath6kl_wmi_p2p_info_event_rx(u8 *datap, int len)667{668 struct wmi_p2p_info_event *ev;669 u32 flags;670 u16 dlen;671 672 if (len < sizeof(*ev))673 return -EINVAL;674 675 ev = (struct wmi_p2p_info_event *) datap;676 flags = le32_to_cpu(ev->info_req_flags);677 dlen = le16_to_cpu(ev->len);678 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: flags=%x len=%d\n", flags, dlen);679 680 if (flags & P2P_FLAG_CAPABILITIES_REQ) {681 struct wmi_p2p_capabilities *cap;682 if (dlen < sizeof(*cap))683 return -EINVAL;684 cap = (struct wmi_p2p_capabilities *) ev->data;685 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: GO Power Save = %d\n",686 cap->go_power_save);687 }688 689 if (flags & P2P_FLAG_MACADDR_REQ) {690 struct wmi_p2p_macaddr *mac;691 if (dlen < sizeof(*mac))692 return -EINVAL;693 mac = (struct wmi_p2p_macaddr *) ev->data;694 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: MAC Address = %pM\n",695 mac->mac_addr);696 }697 698 if (flags & P2P_FLAG_HMODEL_REQ) {699 struct wmi_p2p_hmodel *mod;700 if (dlen < sizeof(*mod))701 return -EINVAL;702 mod = (struct wmi_p2p_hmodel *) ev->data;703 ath6kl_dbg(ATH6KL_DBG_WMI, "p2p_info: P2P Model = %d (%s)\n",704 mod->p2p_model,705 mod->p2p_model ? "host" : "firmware");706 }707 return 0;708}709 710static inline struct sk_buff *ath6kl_wmi_get_new_buf(u32 size)711{712 struct sk_buff *skb;713 714 skb = ath6kl_buf_alloc(size);715 if (!skb)716 return NULL;717 718 skb_put(skb, size);719 if (size)720 memset(skb->data, 0, size);721 722 return skb;723}724 725/* Send a "simple" wmi command -- one with no arguments */726static int ath6kl_wmi_simple_cmd(struct wmi *wmi, u8 if_idx,727 enum wmi_cmd_id cmd_id)728{729 struct sk_buff *skb;730 int ret;731 732 skb = ath6kl_wmi_get_new_buf(0);733 if (!skb)734 return -ENOMEM;735 736 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, cmd_id, NO_SYNC_WMIFLAG);737 738 return ret;739}740 741static int ath6kl_wmi_ready_event_rx(struct wmi *wmi, u8 *datap, int len)742{743 struct wmi_ready_event_2 *ev = (struct wmi_ready_event_2 *) datap;744 745 if (len < sizeof(struct wmi_ready_event_2))746 return -EINVAL;747 748 ath6kl_ready_event(wmi->parent_dev, ev->mac_addr,749 le32_to_cpu(ev->sw_version),750 le32_to_cpu(ev->abi_version), ev->phy_cap);751 752 return 0;753}754 755/*756 * Mechanism to modify the roaming behavior in the firmware. The lower rssi757 * at which the station has to roam can be passed with758 * WMI_SET_LRSSI_SCAN_PARAMS. Subtract 96 from RSSI to get the signal level759 * in dBm.760 */761int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)762{763 struct sk_buff *skb;764 struct roam_ctrl_cmd *cmd;765 766 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));767 if (!skb)768 return -ENOMEM;769 770 cmd = (struct roam_ctrl_cmd *) skb->data;771 772 cmd->info.params.lrssi_scan_period = cpu_to_le16(DEF_LRSSI_SCAN_PERIOD);773 cmd->info.params.lrssi_scan_threshold = a_cpu_to_sle16(lrssi +774 DEF_SCAN_FOR_ROAM_INTVL);775 cmd->info.params.lrssi_roam_threshold = a_cpu_to_sle16(lrssi);776 cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;777 cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;778 779 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,780 NO_SYNC_WMIFLAG);781}782 783int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)784{785 struct sk_buff *skb;786 struct roam_ctrl_cmd *cmd;787 788 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));789 if (!skb)790 return -ENOMEM;791 792 cmd = (struct roam_ctrl_cmd *) skb->data;793 794 memcpy(cmd->info.bssid, bssid, ETH_ALEN);795 cmd->roam_ctrl = WMI_FORCE_ROAM;796 797 ath6kl_dbg(ATH6KL_DBG_WMI, "force roam to %pM\n", bssid);798 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,799 NO_SYNC_WMIFLAG);800}801 802int ath6kl_wmi_ap_set_beacon_intvl_cmd(struct wmi *wmi, u8 if_idx,803 u32 beacon_intvl)804{805 struct sk_buff *skb;806 struct set_beacon_int_cmd *cmd;807 808 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));809 if (!skb)810 return -ENOMEM;811 812 cmd = (struct set_beacon_int_cmd *) skb->data;813 814 cmd->beacon_intvl = cpu_to_le32(beacon_intvl);815 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,816 WMI_SET_BEACON_INT_CMDID, NO_SYNC_WMIFLAG);817}818 819int ath6kl_wmi_ap_set_dtim_cmd(struct wmi *wmi, u8 if_idx, u32 dtim_period)820{821 struct sk_buff *skb;822 struct set_dtim_cmd *cmd;823 824 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));825 if (!skb)826 return -ENOMEM;827 828 cmd = (struct set_dtim_cmd *) skb->data;829 830 cmd->dtim_period = cpu_to_le32(dtim_period);831 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,832 WMI_AP_SET_DTIM_CMDID, NO_SYNC_WMIFLAG);833}834 835int ath6kl_wmi_set_roam_mode_cmd(struct wmi *wmi, enum wmi_roam_mode mode)836{837 struct sk_buff *skb;838 struct roam_ctrl_cmd *cmd;839 840 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));841 if (!skb)842 return -ENOMEM;843 844 cmd = (struct roam_ctrl_cmd *) skb->data;845 846 cmd->info.roam_mode = mode;847 cmd->roam_ctrl = WMI_SET_ROAM_MODE;848 849 ath6kl_dbg(ATH6KL_DBG_WMI, "set roam mode %d\n", mode);850 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,851 NO_SYNC_WMIFLAG);852}853 854static int ath6kl_wmi_connect_event_rx(struct wmi *wmi, u8 *datap, int len,855 struct ath6kl_vif *vif)856{857 struct wmi_connect_event *ev;858 u8 *pie, *peie;859 860 if (len < sizeof(struct wmi_connect_event))861 return -EINVAL;862 863 ev = (struct wmi_connect_event *) datap;864 865 if (vif->nw_type == AP_NETWORK) {866 /* AP mode start/STA connected event */867 struct net_device *dev = vif->ndev;868 if (memcmp(dev->dev_addr, ev->u.ap_bss.bssid, ETH_ALEN) == 0) {869 ath6kl_dbg(ATH6KL_DBG_WMI,870 "%s: freq %d bssid %pM (AP started)\n",871 __func__, le16_to_cpu(ev->u.ap_bss.ch),872 ev->u.ap_bss.bssid);873 ath6kl_connect_ap_mode_bss(874 vif, le16_to_cpu(ev->u.ap_bss.ch));875 } else {876 ath6kl_dbg(ATH6KL_DBG_WMI,877 "%s: aid %u mac_addr %pM auth=%u keymgmt=%u cipher=%u apsd_info=%u (STA connected)\n",878 __func__, ev->u.ap_sta.aid,879 ev->u.ap_sta.mac_addr,880 ev->u.ap_sta.auth,881 ev->u.ap_sta.keymgmt,882 le16_to_cpu(ev->u.ap_sta.cipher),883 ev->u.ap_sta.apsd_info);884 885 ath6kl_connect_ap_mode_sta(886 vif, ev->u.ap_sta.aid, ev->u.ap_sta.mac_addr,887 ev->u.ap_sta.keymgmt,888 le16_to_cpu(ev->u.ap_sta.cipher),889 ev->u.ap_sta.auth, ev->assoc_req_len,890 ev->assoc_info + ev->beacon_ie_len,891 ev->u.ap_sta.apsd_info);892 }893 return 0;894 }895 896 /* STA/IBSS mode connection event */897 898 ath6kl_dbg(ATH6KL_DBG_WMI,899 "wmi event connect freq %d bssid %pM listen_intvl %d beacon_intvl %d type %d\n",900 le16_to_cpu(ev->u.sta.ch), ev->u.sta.bssid,901 le16_to_cpu(ev->u.sta.listen_intvl),902 le16_to_cpu(ev->u.sta.beacon_intvl),903 le32_to_cpu(ev->u.sta.nw_type));904 905 /* Start of assoc rsp IEs */906 pie = ev->assoc_info + ev->beacon_ie_len +907 ev->assoc_req_len + (sizeof(u16) * 3); /* capinfo, status, aid */908 909 /* End of assoc rsp IEs */910 peie = ev->assoc_info + ev->beacon_ie_len + ev->assoc_req_len +911 ev->assoc_resp_len;912 913 while (pie < peie) {914 switch (*pie) {915 case WLAN_EID_VENDOR_SPECIFIC:916 if (pie[1] > 3 && pie[2] == 0x00 && pie[3] == 0x50 &&917 pie[4] == 0xf2 && pie[5] == WMM_OUI_TYPE) {918 /* WMM OUT (00:50:F2) */919 if (pie[1] > 5 &&920 pie[6] == WMM_PARAM_OUI_SUBTYPE)921 wmi->is_wmm_enabled = true;922 }923 break;924 }925 926 if (wmi->is_wmm_enabled)927 break;928 929 pie += pie[1] + 2;930 }931 932 ath6kl_connect_event(vif, le16_to_cpu(ev->u.sta.ch),933 ev->u.sta.bssid,934 le16_to_cpu(ev->u.sta.listen_intvl),935 le16_to_cpu(ev->u.sta.beacon_intvl),936 le32_to_cpu(ev->u.sta.nw_type),937 ev->beacon_ie_len, ev->assoc_req_len,938 ev->assoc_resp_len, ev->assoc_info);939 940 return 0;941}942 943static struct country_code_to_enum_rd *944ath6kl_regd_find_country(u16 countryCode)945{946 int i;947 948 for (i = 0; i < ARRAY_SIZE(allCountries); i++) {949 if (allCountries[i].countryCode == countryCode)950 return &allCountries[i];951 }952 953 return NULL;954}955 956static struct reg_dmn_pair_mapping *957ath6kl_get_regpair(u16 regdmn)958{959 int i;960 961 if (regdmn == NO_ENUMRD)962 return NULL;963 964 for (i = 0; i < ARRAY_SIZE(regDomainPairs); i++) {965 if (regDomainPairs[i].reg_domain == regdmn)966 return ®DomainPairs[i];967 }968 969 return NULL;970}971 972static struct country_code_to_enum_rd *973ath6kl_regd_find_country_by_rd(u16 regdmn)974{975 int i;976 977 for (i = 0; i < ARRAY_SIZE(allCountries); i++) {978 if (allCountries[i].regDmnEnum == regdmn)979 return &allCountries[i];980 }981 982 return NULL;983}984 985static void ath6kl_wmi_regdomain_event(struct wmi *wmi, u8 *datap, int len)986{987 struct ath6kl_wmi_regdomain *ev;988 struct country_code_to_enum_rd *country = NULL;989 struct reg_dmn_pair_mapping *regpair = NULL;990 char alpha2[2];991 u32 reg_code;992 993 ev = (struct ath6kl_wmi_regdomain *) datap;994 reg_code = le32_to_cpu(ev->reg_code);995 996 if ((reg_code >> ATH6KL_COUNTRY_RD_SHIFT) & COUNTRY_ERD_FLAG) {997 country = ath6kl_regd_find_country((u16) reg_code);998 } else if (!(((u16) reg_code & WORLD_SKU_MASK) == WORLD_SKU_PREFIX)) {999 regpair = ath6kl_get_regpair((u16) reg_code);1000 country = ath6kl_regd_find_country_by_rd((u16) reg_code);1001 if (regpair)1002 ath6kl_dbg(ATH6KL_DBG_WMI, "Regpair used: 0x%0x\n",1003 regpair->reg_domain);1004 else1005 ath6kl_warn("Regpair not found reg_code 0x%0x\n",1006 reg_code);1007 }1008 1009 if (country && wmi->parent_dev->wiphy_registered) {1010 alpha2[0] = country->isoName[0];1011 alpha2[1] = country->isoName[1];1012 1013 regulatory_hint(wmi->parent_dev->wiphy, alpha2);1014 1015 ath6kl_dbg(ATH6KL_DBG_WMI, "Country alpha2 being used: %c%c\n",1016 alpha2[0], alpha2[1]);1017 }1018}1019 1020static int ath6kl_wmi_disconnect_event_rx(struct wmi *wmi, u8 *datap, int len,1021 struct ath6kl_vif *vif)1022{1023 struct wmi_disconnect_event *ev;1024 wmi->traffic_class = 100;1025 1026 if (len < sizeof(struct wmi_disconnect_event))1027 return -EINVAL;1028 1029 ev = (struct wmi_disconnect_event *) datap;1030 1031 ath6kl_dbg(ATH6KL_DBG_WMI,1032 "wmi event disconnect proto_reason %d bssid %pM wmi_reason %d assoc_resp_len %d\n",1033 le16_to_cpu(ev->proto_reason_status), ev->bssid,1034 ev->disconn_reason, ev->assoc_resp_len);1035 1036 wmi->is_wmm_enabled = false;1037 1038 ath6kl_disconnect_event(vif, ev->disconn_reason,1039 ev->bssid, ev->assoc_resp_len, ev->assoc_info,1040 le16_to_cpu(ev->proto_reason_status));1041 1042 return 0;1043}1044 1045static int ath6kl_wmi_peer_node_event_rx(struct wmi *wmi, u8 *datap, int len)1046{1047 struct wmi_peer_node_event *ev;1048 1049 if (len < sizeof(struct wmi_peer_node_event))1050 return -EINVAL;1051 1052 ev = (struct wmi_peer_node_event *) datap;1053 1054 if (ev->event_code == PEER_NODE_JOIN_EVENT)1055 ath6kl_dbg(ATH6KL_DBG_WMI, "joined node with mac addr: %pM\n",1056 ev->peer_mac_addr);1057 else if (ev->event_code == PEER_NODE_LEAVE_EVENT)1058 ath6kl_dbg(ATH6KL_DBG_WMI, "left node with mac addr: %pM\n",1059 ev->peer_mac_addr);1060 1061 return 0;1062}1063 1064static int ath6kl_wmi_tkip_micerr_event_rx(struct wmi *wmi, u8 *datap, int len,1065 struct ath6kl_vif *vif)1066{1067 struct wmi_tkip_micerr_event *ev;1068 1069 if (len < sizeof(struct wmi_tkip_micerr_event))1070 return -EINVAL;1071 1072 ev = (struct wmi_tkip_micerr_event *) datap;1073 1074 ath6kl_tkip_micerr_event(vif, ev->key_id, ev->is_mcast);1075 1076 return 0;1077}1078 1079void ath6kl_wmi_sscan_timer(struct timer_list *t)1080{1081 struct ath6kl_vif *vif = from_timer(vif, t, sched_scan_timer);1082 1083 cfg80211_sched_scan_results(vif->ar->wiphy, 0);1084}1085 1086static int ath6kl_wmi_bssinfo_event_rx(struct wmi *wmi, u8 *datap, int len,1087 struct ath6kl_vif *vif)1088{1089 struct wmi_bss_info_hdr2 *bih;1090 u8 *buf;1091 struct ieee80211_channel *channel;1092 struct ath6kl *ar = wmi->parent_dev;1093 struct cfg80211_bss *bss;1094 1095 if (len <= sizeof(struct wmi_bss_info_hdr2))1096 return -EINVAL;1097 1098 bih = (struct wmi_bss_info_hdr2 *) datap;1099 buf = datap + sizeof(struct wmi_bss_info_hdr2);1100 len -= sizeof(struct wmi_bss_info_hdr2);1101 1102 ath6kl_dbg(ATH6KL_DBG_WMI,1103 "bss info evt - ch %u, snr %d, rssi %d, bssid \"%pM\" "1104 "frame_type=%d\n",1105 bih->ch, bih->snr, bih->snr - 95, bih->bssid,1106 bih->frame_type);1107 1108 if (bih->frame_type != BEACON_FTYPE &&1109 bih->frame_type != PROBERESP_FTYPE)1110 return 0; /* Only update BSS table for now */1111 1112 if (bih->frame_type == BEACON_FTYPE &&1113 test_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags)) {1114 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);1115 ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,1116 NONE_BSS_FILTER, 0);1117 }1118 1119 channel = ieee80211_get_channel(ar->wiphy, le16_to_cpu(bih->ch));1120 if (channel == NULL)1121 return -EINVAL;1122 1123 if (len < 8 + 2 + 2)1124 return -EINVAL;1125 1126 if (bih->frame_type == BEACON_FTYPE &&1127 test_bit(CONNECTED, &vif->flags) &&1128 memcmp(bih->bssid, vif->bssid, ETH_ALEN) == 0) {1129 const u8 *tim;1130 tim = cfg80211_find_ie(WLAN_EID_TIM, buf + 8 + 2 + 2,1131 len - 8 - 2 - 2);1132 if (tim && tim[1] >= 2) {1133 vif->assoc_bss_dtim_period = tim[3];1134 set_bit(DTIM_PERIOD_AVAIL, &vif->flags);1135 }1136 }1137 1138 bss = cfg80211_inform_bss(ar->wiphy, channel,1139 bih->frame_type == BEACON_FTYPE ?1140 CFG80211_BSS_FTYPE_BEACON :1141 CFG80211_BSS_FTYPE_PRESP,1142 bih->bssid, get_unaligned_le64((__le64 *)buf),1143 get_unaligned_le16(((__le16 *)buf) + 5),1144 get_unaligned_le16(((__le16 *)buf) + 4),1145 buf + 8 + 2 + 2, len - 8 - 2 - 2,1146 (bih->snr - 95) * 100, GFP_ATOMIC);1147 if (bss == NULL)1148 return -ENOMEM;1149 cfg80211_put_bss(ar->wiphy, bss);1150 1151 /*1152 * Firmware doesn't return any event when scheduled scan has1153 * finished, so we need to use a timer to find out when there are1154 * no more results.1155 *1156 * The timer is started from the first bss info received, otherwise1157 * the timer would not ever fire if the scan interval is short1158 * enough.1159 */1160 if (test_bit(SCHED_SCANNING, &vif->flags) &&1161 !timer_pending(&vif->sched_scan_timer)) {1162 mod_timer(&vif->sched_scan_timer, jiffies +1163 msecs_to_jiffies(ATH6KL_SCHED_SCAN_RESULT_DELAY));1164 }1165 1166 return 0;1167}1168 1169/* Inactivity timeout of a fatpipe(pstream) at the target */1170static int ath6kl_wmi_pstream_timeout_event_rx(struct wmi *wmi, u8 *datap,1171 int len)1172{1173 struct wmi_pstream_timeout_event *ev;1174 1175 if (len < sizeof(struct wmi_pstream_timeout_event))1176 return -EINVAL;1177 1178 ev = (struct wmi_pstream_timeout_event *) datap;1179 if (ev->traffic_class >= WMM_NUM_AC) {1180 ath6kl_err("invalid traffic class: %d\n", ev->traffic_class);1181 return -EINVAL;1182 }1183 1184 /*1185 * When the pstream (fat pipe == AC) timesout, it means there were1186 * no thinStreams within this pstream & it got implicitly created1187 * due to data flow on this AC. We start the inactivity timer only1188 * for implicitly created pstream. Just reset the host state.1189 */1190 spin_lock_bh(&wmi->lock);1191 wmi->stream_exist_for_ac[ev->traffic_class] = 0;1192 wmi->fat_pipe_exist &= ~(1 << ev->traffic_class);1193 spin_unlock_bh(&wmi->lock);1194 1195 /* Indicate inactivity to driver layer for this fatpipe (pstream) */1196 ath6kl_indicate_tx_activity(wmi->parent_dev, ev->traffic_class, false);1197 1198 return 0;1199}1200 1201static int ath6kl_wmi_bitrate_reply_rx(struct wmi *wmi, u8 *datap, int len)1202{1203 struct wmi_bit_rate_reply *reply;1204 u32 index;1205 1206 if (len < sizeof(struct wmi_bit_rate_reply))1207 return -EINVAL;1208 1209 reply = (struct wmi_bit_rate_reply *) datap;1210 1211 ath6kl_dbg(ATH6KL_DBG_WMI, "rateindex %d\n", reply->rate_index);1212 1213 if (reply->rate_index != (s8) RATE_AUTO) {1214 index = reply->rate_index & 0x7f;1215 if (WARN_ON_ONCE(index > (RATE_MCS_7_40 + 1)))1216 return -EINVAL;1217 }1218 1219 ath6kl_wakeup_event(wmi->parent_dev);1220 1221 return 0;1222}1223 1224static int ath6kl_wmi_test_rx(struct wmi *wmi, u8 *datap, int len)1225{1226 ath6kl_tm_rx_event(wmi->parent_dev, datap, len);1227 1228 return 0;1229}1230 1231static int ath6kl_wmi_ratemask_reply_rx(struct wmi *wmi, u8 *datap, int len)1232{1233 if (len < sizeof(struct wmi_fix_rates_reply))1234 return -EINVAL;1235 1236 ath6kl_wakeup_event(wmi->parent_dev);1237 1238 return 0;1239}1240 1241static int ath6kl_wmi_ch_list_reply_rx(struct wmi *wmi, u8 *datap, int len)1242{1243 if (len < sizeof(struct wmi_channel_list_reply))1244 return -EINVAL;1245 1246 ath6kl_wakeup_event(wmi->parent_dev);1247 1248 return 0;1249}1250 1251static int ath6kl_wmi_tx_pwr_reply_rx(struct wmi *wmi, u8 *datap, int len)1252{1253 struct wmi_tx_pwr_reply *reply;1254 1255 if (len < sizeof(struct wmi_tx_pwr_reply))1256 return -EINVAL;1257 1258 reply = (struct wmi_tx_pwr_reply *) datap;1259 ath6kl_txpwr_rx_evt(wmi->parent_dev, reply->dbM);1260 1261 return 0;1262}1263 1264static int ath6kl_wmi_keepalive_reply_rx(struct wmi *wmi, u8 *datap, int len)1265{1266 if (len < sizeof(struct wmi_get_keepalive_cmd))1267 return -EINVAL;1268 1269 ath6kl_wakeup_event(wmi->parent_dev);1270 1271 return 0;1272}1273 1274static int ath6kl_wmi_scan_complete_rx(struct wmi *wmi, u8 *datap, int len,1275 struct ath6kl_vif *vif)1276{1277 struct wmi_scan_complete_event *ev;1278 1279 ev = (struct wmi_scan_complete_event *) datap;1280 1281 ath6kl_scan_complete_evt(vif, a_sle32_to_cpu(ev->status));1282 wmi->is_probe_ssid = false;1283 1284 return 0;1285}1286 1287static int ath6kl_wmi_neighbor_report_event_rx(struct wmi *wmi, u8 *datap,1288 int len, struct ath6kl_vif *vif)1289{1290 struct wmi_neighbor_report_event *ev;1291 u8 i;1292 1293 if (len < sizeof(*ev))1294 return -EINVAL;1295 ev = (struct wmi_neighbor_report_event *) datap;1296 if (struct_size(ev, neighbor, ev->num_neighbors) > len) {1297 ath6kl_dbg(ATH6KL_DBG_WMI,1298 "truncated neighbor event (num=%d len=%d)\n",1299 ev->num_neighbors, len);1300 return -EINVAL;1301 }1302 for (i = 0; i < ev->num_neighbors; i++) {1303 ath6kl_dbg(ATH6KL_DBG_WMI, "neighbor %d/%d - %pM 0x%x\n",1304 i + 1, ev->num_neighbors, ev->neighbor[i].bssid,1305 ev->neighbor[i].bss_flags);1306 cfg80211_pmksa_candidate_notify(vif->ndev, i,1307 ev->neighbor[i].bssid,1308 !!(ev->neighbor[i].bss_flags &1309 WMI_PREAUTH_CAPABLE_BSS),1310 GFP_ATOMIC);1311 }1312 1313 return 0;1314}1315 1316/*1317 * Target is reporting a programming error. This is for1318 * developer aid only. Target only checks a few common violations1319 * and it is responsibility of host to do all error checking.1320 * Behavior of target after wmi error event is undefined.1321 * A reset is recommended.1322 */1323static int ath6kl_wmi_error_event_rx(struct wmi *wmi, u8 *datap, int len)1324{1325 const char *type = "unknown error";1326 struct wmi_cmd_error_event *ev;1327 ev = (struct wmi_cmd_error_event *) datap;1328 1329 switch (ev->err_code) {1330 case INVALID_PARAM:1331 type = "invalid parameter";1332 break;1333 case ILLEGAL_STATE:1334 type = "invalid state";1335 break;1336 case INTERNAL_ERROR:1337 type = "internal error";1338 break;1339 }1340 1341 ath6kl_dbg(ATH6KL_DBG_WMI, "programming error, cmd=%d %s\n",1342 ev->cmd_id, type);1343 1344 return 0;1345}1346 1347static int ath6kl_wmi_stats_event_rx(struct wmi *wmi, u8 *datap, int len,1348 struct ath6kl_vif *vif)1349{1350 ath6kl_tgt_stats_event(vif, datap, len);1351 1352 return 0;1353}1354 1355static u8 ath6kl_wmi_get_upper_threshold(s16 rssi,1356 struct sq_threshold_params *sq_thresh,1357 u32 size)1358{1359 u32 index;1360 u8 threshold = (u8) sq_thresh->upper_threshold[size - 1];1361 1362 /* The list is already in sorted order. Get the next lower value */1363 for (index = 0; index < size; index++) {1364 if (rssi < sq_thresh->upper_threshold[index]) {1365 threshold = (u8) sq_thresh->upper_threshold[index];1366 break;1367 }1368 }1369 1370 return threshold;1371}1372 1373static u8 ath6kl_wmi_get_lower_threshold(s16 rssi,1374 struct sq_threshold_params *sq_thresh,1375 u32 size)1376{1377 u32 index;1378 u8 threshold = (u8) sq_thresh->lower_threshold[size - 1];1379 1380 /* The list is already in sorted order. Get the next lower value */1381 for (index = 0; index < size; index++) {1382 if (rssi > sq_thresh->lower_threshold[index]) {1383 threshold = (u8) sq_thresh->lower_threshold[index];1384 break;1385 }1386 }1387 1388 return threshold;1389}1390 1391static int ath6kl_wmi_send_rssi_threshold_params(struct wmi *wmi,1392 struct wmi_rssi_threshold_params_cmd *rssi_cmd)1393{1394 struct sk_buff *skb;1395 struct wmi_rssi_threshold_params_cmd *cmd;1396 1397 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));1398 if (!skb)1399 return -ENOMEM;1400 1401 cmd = (struct wmi_rssi_threshold_params_cmd *) skb->data;1402 memcpy(cmd, rssi_cmd, sizeof(struct wmi_rssi_threshold_params_cmd));1403 1404 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_RSSI_THRESHOLD_PARAMS_CMDID,1405 NO_SYNC_WMIFLAG);1406}1407 1408static int ath6kl_wmi_rssi_threshold_event_rx(struct wmi *wmi, u8 *datap,1409 int len)1410{1411 struct wmi_rssi_threshold_event *reply;1412 struct wmi_rssi_threshold_params_cmd cmd;1413 struct sq_threshold_params *sq_thresh;1414 enum wmi_rssi_threshold_val new_threshold;1415 u8 upper_rssi_threshold, lower_rssi_threshold;1416 s16 rssi;1417 int ret;1418 1419 if (len < sizeof(struct wmi_rssi_threshold_event))1420 return -EINVAL;1421 1422 reply = (struct wmi_rssi_threshold_event *) datap;1423 new_threshold = (enum wmi_rssi_threshold_val) reply->range;1424 rssi = a_sle16_to_cpu(reply->rssi);1425 1426 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_RSSI];1427 1428 /*1429 * Identify the threshold breached and communicate that to the app.1430 * After that install a new set of thresholds based on the signal1431 * quality reported by the target1432 */1433 if (new_threshold) {1434 /* Upper threshold breached */1435 if (rssi < sq_thresh->upper_threshold[0]) {1436 ath6kl_dbg(ATH6KL_DBG_WMI,1437 "spurious upper rssi threshold event: %d\n",1438 rssi);1439 } else if ((rssi < sq_thresh->upper_threshold[1]) &&1440 (rssi >= sq_thresh->upper_threshold[0])) {1441 new_threshold = WMI_RSSI_THRESHOLD1_ABOVE;1442 } else if ((rssi < sq_thresh->upper_threshold[2]) &&1443 (rssi >= sq_thresh->upper_threshold[1])) {1444 new_threshold = WMI_RSSI_THRESHOLD2_ABOVE;1445 } else if ((rssi < sq_thresh->upper_threshold[3]) &&1446 (rssi >= sq_thresh->upper_threshold[2])) {1447 new_threshold = WMI_RSSI_THRESHOLD3_ABOVE;1448 } else if ((rssi < sq_thresh->upper_threshold[4]) &&1449 (rssi >= sq_thresh->upper_threshold[3])) {1450 new_threshold = WMI_RSSI_THRESHOLD4_ABOVE;1451 } else if ((rssi < sq_thresh->upper_threshold[5]) &&1452 (rssi >= sq_thresh->upper_threshold[4])) {1453 new_threshold = WMI_RSSI_THRESHOLD5_ABOVE;1454 } else if (rssi >= sq_thresh->upper_threshold[5]) {1455 new_threshold = WMI_RSSI_THRESHOLD6_ABOVE;1456 }1457 } else {1458 /* Lower threshold breached */1459 if (rssi > sq_thresh->lower_threshold[0]) {1460 ath6kl_dbg(ATH6KL_DBG_WMI,1461 "spurious lower rssi threshold event: %d %d\n",1462 rssi, sq_thresh->lower_threshold[0]);1463 } else if ((rssi > sq_thresh->lower_threshold[1]) &&1464 (rssi <= sq_thresh->lower_threshold[0])) {1465 new_threshold = WMI_RSSI_THRESHOLD6_BELOW;1466 } else if ((rssi > sq_thresh->lower_threshold[2]) &&1467 (rssi <= sq_thresh->lower_threshold[1])) {1468 new_threshold = WMI_RSSI_THRESHOLD5_BELOW;1469 } else if ((rssi > sq_thresh->lower_threshold[3]) &&1470 (rssi <= sq_thresh->lower_threshold[2])) {1471 new_threshold = WMI_RSSI_THRESHOLD4_BELOW;1472 } else if ((rssi > sq_thresh->lower_threshold[4]) &&1473 (rssi <= sq_thresh->lower_threshold[3])) {1474 new_threshold = WMI_RSSI_THRESHOLD3_BELOW;1475 } else if ((rssi > sq_thresh->lower_threshold[5]) &&1476 (rssi <= sq_thresh->lower_threshold[4])) {1477 new_threshold = WMI_RSSI_THRESHOLD2_BELOW;1478 } else if (rssi <= sq_thresh->lower_threshold[5]) {1479 new_threshold = WMI_RSSI_THRESHOLD1_BELOW;1480 }1481 }1482 1483 /* Calculate and install the next set of thresholds */1484 lower_rssi_threshold = ath6kl_wmi_get_lower_threshold(rssi, sq_thresh,1485 sq_thresh->lower_threshold_valid_count);1486 upper_rssi_threshold = ath6kl_wmi_get_upper_threshold(rssi, sq_thresh,1487 sq_thresh->upper_threshold_valid_count);1488 1489 /* Issue a wmi command to install the thresholds */1490 cmd.thresh_above1_val = a_cpu_to_sle16(upper_rssi_threshold);1491 cmd.thresh_below1_val = a_cpu_to_sle16(lower_rssi_threshold);1492 cmd.weight = sq_thresh->weight;1493 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);1494 1495 ret = ath6kl_wmi_send_rssi_threshold_params(wmi, &cmd);1496 if (ret) {1497 ath6kl_err("unable to configure rssi thresholds\n");1498 return -EIO;1499 }1500 1501 return 0;1502}1503 1504static int ath6kl_wmi_cac_event_rx(struct wmi *wmi, u8 *datap, int len,1505 struct ath6kl_vif *vif)1506{1507 struct wmi_cac_event *reply;1508 struct ieee80211_tspec_ie *ts;1509 u16 active_tsids, tsinfo;1510 u8 tsid, index;1511 u8 ts_id;1512 1513 if (len < sizeof(struct wmi_cac_event))1514 return -EINVAL;1515 1516 reply = (struct wmi_cac_event *) datap;1517 if (reply->ac >= WMM_NUM_AC) {1518 ath6kl_err("invalid AC: %d\n", reply->ac);1519 return -EINVAL;1520 }1521 1522 if ((reply->cac_indication == CAC_INDICATION_ADMISSION_RESP) &&1523 (reply->status_code != IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED)) {1524 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);1525 tsinfo = le16_to_cpu(ts->tsinfo);1526 tsid = (tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &1527 IEEE80211_WMM_IE_TSPEC_TID_MASK;1528 1529 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,1530 reply->ac, tsid);1531 } else if (reply->cac_indication == CAC_INDICATION_NO_RESP) {1532 /*1533 * Following assumes that there is only one outstanding1534 * ADDTS request when this event is received1535 */1536 spin_lock_bh(&wmi->lock);1537 active_tsids = wmi->stream_exist_for_ac[reply->ac];1538 spin_unlock_bh(&wmi->lock);1539 1540 for (index = 0; index < sizeof(active_tsids) * 8; index++) {1541 if ((active_tsids >> index) & 1)1542 break;1543 }1544 if (index < (sizeof(active_tsids) * 8))1545 ath6kl_wmi_delete_pstream_cmd(wmi, vif->fw_vif_idx,1546 reply->ac, index);1547 }1548 1549 /*1550 * Clear active tsids and Add missing handling1551 * for delete qos stream from AP1552 */1553 else if (reply->cac_indication == CAC_INDICATION_DELETE) {1554 ts = (struct ieee80211_tspec_ie *) &(reply->tspec_suggestion);1555 tsinfo = le16_to_cpu(ts->tsinfo);1556 ts_id = ((tsinfo >> IEEE80211_WMM_IE_TSPEC_TID_SHIFT) &1557 IEEE80211_WMM_IE_TSPEC_TID_MASK);1558 1559 spin_lock_bh(&wmi->lock);1560 wmi->stream_exist_for_ac[reply->ac] &= ~(1 << ts_id);1561 active_tsids = wmi->stream_exist_for_ac[reply->ac];1562 spin_unlock_bh(&wmi->lock);1563 1564 /* Indicate stream inactivity to driver layer only if all tsids1565 * within this AC are deleted.1566 */1567 if (!active_tsids) {1568 ath6kl_indicate_tx_activity(wmi->parent_dev, reply->ac,1569 false);1570 wmi->fat_pipe_exist &= ~(1 << reply->ac);1571 }1572 }1573 1574 return 0;1575}1576 1577static int ath6kl_wmi_txe_notify_event_rx(struct wmi *wmi, u8 *datap, int len,1578 struct ath6kl_vif *vif)1579{1580 struct wmi_txe_notify_event *ev;1581 u32 rate, pkts;1582 1583 if (len < sizeof(*ev))1584 return -EINVAL;1585 1586 if (vif->nw_type != INFRA_NETWORK ||1587 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY,1588 vif->ar->fw_capabilities))1589 return -EOPNOTSUPP;1590 1591 if (vif->sme_state != SME_CONNECTED)1592 return -ENOTCONN;1593 1594 ev = (struct wmi_txe_notify_event *) datap;1595 rate = le32_to_cpu(ev->rate);1596 pkts = le32_to_cpu(ev->pkts);1597 1598 ath6kl_dbg(ATH6KL_DBG_WMI, "TXE notify event: peer %pM rate %d%% pkts %d intvl %ds\n",1599 vif->bssid, rate, pkts, vif->txe_intvl);1600 1601 cfg80211_cqm_txe_notify(vif->ndev, vif->bssid, pkts,1602 rate, vif->txe_intvl, GFP_KERNEL);1603 1604 return 0;1605}1606 1607int ath6kl_wmi_set_txe_notify(struct wmi *wmi, u8 idx,1608 u32 rate, u32 pkts, u32 intvl)1609{1610 struct sk_buff *skb;1611 struct wmi_txe_notify_cmd *cmd;1612 1613 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));1614 if (!skb)1615 return -ENOMEM;1616 1617 cmd = (struct wmi_txe_notify_cmd *) skb->data;1618 cmd->rate = cpu_to_le32(rate);1619 cmd->pkts = cpu_to_le32(pkts);1620 cmd->intvl = cpu_to_le32(intvl);1621 1622 return ath6kl_wmi_cmd_send(wmi, idx, skb, WMI_SET_TXE_NOTIFY_CMDID,1623 NO_SYNC_WMIFLAG);1624}1625 1626int ath6kl_wmi_set_rssi_filter_cmd(struct wmi *wmi, u8 if_idx, s8 rssi)1627{1628 struct sk_buff *skb;1629 struct wmi_set_rssi_filter_cmd *cmd;1630 int ret;1631 1632 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));1633 if (!skb)1634 return -ENOMEM;1635 1636 cmd = (struct wmi_set_rssi_filter_cmd *) skb->data;1637 cmd->rssi = rssi;1638 1639 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_RSSI_FILTER_CMDID,1640 NO_SYNC_WMIFLAG);1641 return ret;1642}1643 1644static int ath6kl_wmi_send_snr_threshold_params(struct wmi *wmi,1645 struct wmi_snr_threshold_params_cmd *snr_cmd)1646{1647 struct sk_buff *skb;1648 struct wmi_snr_threshold_params_cmd *cmd;1649 1650 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));1651 if (!skb)1652 return -ENOMEM;1653 1654 cmd = (struct wmi_snr_threshold_params_cmd *) skb->data;1655 memcpy(cmd, snr_cmd, sizeof(struct wmi_snr_threshold_params_cmd));1656 1657 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SNR_THRESHOLD_PARAMS_CMDID,1658 NO_SYNC_WMIFLAG);1659}1660 1661static int ath6kl_wmi_snr_threshold_event_rx(struct wmi *wmi, u8 *datap,1662 int len)1663{1664 struct wmi_snr_threshold_event *reply;1665 struct sq_threshold_params *sq_thresh;1666 struct wmi_snr_threshold_params_cmd cmd;1667 enum wmi_snr_threshold_val new_threshold;1668 u8 upper_snr_threshold, lower_snr_threshold;1669 s16 snr;1670 int ret;1671 1672 if (len < sizeof(struct wmi_snr_threshold_event))1673 return -EINVAL;1674 1675 reply = (struct wmi_snr_threshold_event *) datap;1676 1677 new_threshold = (enum wmi_snr_threshold_val) reply->range;1678 snr = reply->snr;1679 1680 sq_thresh = &wmi->sq_threshld[SIGNAL_QUALITY_METRICS_SNR];1681 1682 /*1683 * Identify the threshold breached and communicate that to the app.1684 * After that install a new set of thresholds based on the signal1685 * quality reported by the target.1686 */1687 if (new_threshold) {1688 /* Upper threshold breached */1689 if (snr < sq_thresh->upper_threshold[0]) {1690 ath6kl_dbg(ATH6KL_DBG_WMI,1691 "spurious upper snr threshold event: %d\n",1692 snr);1693 } else if ((snr < sq_thresh->upper_threshold[1]) &&1694 (snr >= sq_thresh->upper_threshold[0])) {1695 new_threshold = WMI_SNR_THRESHOLD1_ABOVE;1696 } else if ((snr < sq_thresh->upper_threshold[2]) &&1697 (snr >= sq_thresh->upper_threshold[1])) {1698 new_threshold = WMI_SNR_THRESHOLD2_ABOVE;1699 } else if ((snr < sq_thresh->upper_threshold[3]) &&1700 (snr >= sq_thresh->upper_threshold[2])) {1701 new_threshold = WMI_SNR_THRESHOLD3_ABOVE;1702 } else if (snr >= sq_thresh->upper_threshold[3]) {1703 new_threshold = WMI_SNR_THRESHOLD4_ABOVE;1704 }1705 } else {1706 /* Lower threshold breached */1707 if (snr > sq_thresh->lower_threshold[0]) {1708 ath6kl_dbg(ATH6KL_DBG_WMI,1709 "spurious lower snr threshold event: %d\n",1710 sq_thresh->lower_threshold[0]);1711 } else if ((snr > sq_thresh->lower_threshold[1]) &&1712 (snr <= sq_thresh->lower_threshold[0])) {1713 new_threshold = WMI_SNR_THRESHOLD4_BELOW;1714 } else if ((snr > sq_thresh->lower_threshold[2]) &&1715 (snr <= sq_thresh->lower_threshold[1])) {1716 new_threshold = WMI_SNR_THRESHOLD3_BELOW;1717 } else if ((snr > sq_thresh->lower_threshold[3]) &&1718 (snr <= sq_thresh->lower_threshold[2])) {1719 new_threshold = WMI_SNR_THRESHOLD2_BELOW;1720 } else if (snr <= sq_thresh->lower_threshold[3]) {1721 new_threshold = WMI_SNR_THRESHOLD1_BELOW;1722 }1723 }1724 1725 /* Calculate and install the next set of thresholds */1726 lower_snr_threshold = ath6kl_wmi_get_lower_threshold(snr, sq_thresh,1727 sq_thresh->lower_threshold_valid_count);1728 upper_snr_threshold = ath6kl_wmi_get_upper_threshold(snr, sq_thresh,1729 sq_thresh->upper_threshold_valid_count);1730 1731 /* Issue a wmi command to install the thresholds */1732 cmd.thresh_above1_val = upper_snr_threshold;1733 cmd.thresh_below1_val = lower_snr_threshold;1734 cmd.weight = sq_thresh->weight;1735 cmd.poll_time = cpu_to_le32(sq_thresh->polling_interval);1736 1737 ath6kl_dbg(ATH6KL_DBG_WMI,1738 "snr: %d, threshold: %d, lower: %d, upper: %d\n",1739 snr, new_threshold,1740 lower_snr_threshold, upper_snr_threshold);1741 1742 ret = ath6kl_wmi_send_snr_threshold_params(wmi, &cmd);1743 if (ret) {1744 ath6kl_err("unable to configure snr threshold\n");1745 return -EIO;1746 }1747 1748 return 0;1749}1750 1751static int ath6kl_wmi_aplist_event_rx(struct wmi *wmi, u8 *datap, int len)1752{1753 struct wmi_aplist_event *ev = (struct wmi_aplist_event *) datap;1754 struct wmi_ap_info_v1 *ap_info_v1;1755 u8 index;1756 1757 if (len < sizeof(struct wmi_aplist_event) ||1758 ev->ap_list_ver != APLIST_VER1)1759 return -EINVAL;1760 1761 ap_info_v1 = (struct wmi_ap_info_v1 *) ev->ap_list;1762 1763 ath6kl_dbg(ATH6KL_DBG_WMI,1764 "number of APs in aplist event: %d\n", ev->num_ap);1765 1766 if (len < struct_size(ev, ap_list, ev->num_ap))1767 return -EINVAL;1768 1769 /* AP list version 1 contents */1770 for (index = 0; index < ev->num_ap; index++) {1771 ath6kl_dbg(ATH6KL_DBG_WMI, "AP#%d BSSID %pM Channel %d\n",1772 index, ap_info_v1->bssid, ap_info_v1->channel);1773 ap_info_v1++;1774 }1775 1776 return 0;1777}1778 1779int ath6kl_wmi_cmd_send(struct wmi *wmi, u8 if_idx, struct sk_buff *skb,1780 enum wmi_cmd_id cmd_id, enum wmi_sync_flag sync_flag)1781{1782 struct wmi_cmd_hdr *cmd_hdr;1783 enum htc_endpoint_id ep_id = wmi->ep_id;1784 int ret;1785 u16 info1;1786 1787 if (WARN_ON(skb == NULL ||1788 (if_idx > (wmi->parent_dev->vif_max - 1)))) {1789 dev_kfree_skb(skb);1790 return -EINVAL;1791 }1792 1793 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi tx id %d len %d flag %d\n",1794 cmd_id, skb->len, sync_flag);1795 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi tx ",1796 skb->data, skb->len);1797 1798 if (sync_flag >= END_WMIFLAG) {1799 dev_kfree_skb(skb);1800 return -EINVAL;1801 }1802 1803 if ((sync_flag == SYNC_BEFORE_WMIFLAG) ||1804 (sync_flag == SYNC_BOTH_WMIFLAG)) {1805 /*1806 * Make sure all data currently queued is transmitted before1807 * the cmd execution. Establish a new sync point.1808 */1809 ath6kl_wmi_sync_point(wmi, if_idx);1810 }1811 1812 skb_push(skb, sizeof(struct wmi_cmd_hdr));1813 1814 cmd_hdr = (struct wmi_cmd_hdr *) skb->data;1815 cmd_hdr->cmd_id = cpu_to_le16(cmd_id);1816 info1 = if_idx & WMI_CMD_HDR_IF_ID_MASK;1817 cmd_hdr->info1 = cpu_to_le16(info1);1818 1819 /* Only for OPT_TX_CMD, use BE endpoint. */1820 if (cmd_id == WMI_OPT_TX_FRAME_CMDID) {1821 ret = ath6kl_wmi_data_hdr_add(wmi, skb, OPT_MSGTYPE, false,1822 WMI_DATA_HDR_DATA_TYPE_802_3, 0, NULL, if_idx);1823 if (ret) {1824 dev_kfree_skb(skb);1825 return ret;1826 }1827 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev, WMM_AC_BE);1828 }1829 1830 ath6kl_control_tx(wmi->parent_dev, skb, ep_id);1831 1832 if ((sync_flag == SYNC_AFTER_WMIFLAG) ||1833 (sync_flag == SYNC_BOTH_WMIFLAG)) {1834 /*1835 * Make sure all new data queued waits for the command to1836 * execute. Establish a new sync point.1837 */1838 ath6kl_wmi_sync_point(wmi, if_idx);1839 }1840 1841 return 0;1842}1843 1844int ath6kl_wmi_connect_cmd(struct wmi *wmi, u8 if_idx,1845 enum network_type nw_type,1846 enum dot11_auth_mode dot11_auth_mode,1847 enum auth_mode auth_mode,1848 enum ath6kl_crypto_type pairwise_crypto,1849 u8 pairwise_crypto_len,1850 enum ath6kl_crypto_type group_crypto,1851 u8 group_crypto_len, int ssid_len, u8 *ssid,1852 u8 *bssid, u16 channel, u32 ctrl_flags,1853 u8 nw_subtype)1854{1855 struct sk_buff *skb;1856 struct wmi_connect_cmd *cc;1857 int ret;1858 1859 ath6kl_dbg(ATH6KL_DBG_WMI,1860 "wmi connect bssid %pM freq %d flags 0x%x ssid_len %d "1861 "type %d dot11_auth %d auth %d pairwise %d group %d\n",1862 bssid, channel, ctrl_flags, ssid_len, nw_type,1863 dot11_auth_mode, auth_mode, pairwise_crypto, group_crypto);1864 ath6kl_dbg_dump(ATH6KL_DBG_WMI, NULL, "ssid ", ssid, ssid_len);1865 1866 wmi->traffic_class = 100;1867 1868 if ((pairwise_crypto == NONE_CRYPT) && (group_crypto != NONE_CRYPT))1869 return -EINVAL;1870 1871 if ((pairwise_crypto != NONE_CRYPT) && (group_crypto == NONE_CRYPT))1872 return -EINVAL;1873 1874 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_connect_cmd));1875 if (!skb)1876 return -ENOMEM;1877 1878 cc = (struct wmi_connect_cmd *) skb->data;1879 1880 if (ssid_len)1881 memcpy(cc->ssid, ssid, ssid_len);1882 1883 cc->ssid_len = ssid_len;1884 cc->nw_type = nw_type;1885 cc->dot11_auth_mode = dot11_auth_mode;1886 cc->auth_mode = auth_mode;1887 cc->prwise_crypto_type = pairwise_crypto;1888 cc->prwise_crypto_len = pairwise_crypto_len;1889 cc->grp_crypto_type = group_crypto;1890 cc->grp_crypto_len = group_crypto_len;1891 cc->ch = cpu_to_le16(channel);1892 cc->ctrl_flags = cpu_to_le32(ctrl_flags);1893 cc->nw_subtype = nw_subtype;1894 1895 if (bssid != NULL)1896 memcpy(cc->bssid, bssid, ETH_ALEN);1897 1898 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CONNECT_CMDID,1899 NO_SYNC_WMIFLAG);1900 1901 return ret;1902}1903 1904int ath6kl_wmi_reconnect_cmd(struct wmi *wmi, u8 if_idx, u8 *bssid,1905 u16 channel)1906{1907 struct sk_buff *skb;1908 struct wmi_reconnect_cmd *cc;1909 int ret;1910 1911 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi reconnect bssid %pM freq %d\n",1912 bssid, channel);1913 1914 wmi->traffic_class = 100;1915 1916 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_reconnect_cmd));1917 if (!skb)1918 return -ENOMEM;1919 1920 cc = (struct wmi_reconnect_cmd *) skb->data;1921 cc->channel = cpu_to_le16(channel);1922 1923 if (bssid != NULL)1924 memcpy(cc->bssid, bssid, ETH_ALEN);1925 1926 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RECONNECT_CMDID,1927 NO_SYNC_WMIFLAG);1928 1929 return ret;1930}1931 1932int ath6kl_wmi_disconnect_cmd(struct wmi *wmi, u8 if_idx)1933{1934 int ret;1935 1936 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi disconnect\n");1937 1938 wmi->traffic_class = 100;1939 1940 /* Disconnect command does not need to do a SYNC before. */1941 ret = ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_DISCONNECT_CMDID);1942 1943 return ret;1944}1945 1946/* ath6kl_wmi_start_scan_cmd is to be deprecated. Use1947 * ath6kl_wmi_begin_scan_cmd instead. The new function supports P2P1948 * mgmt operations using station interface.1949 */1950static int ath6kl_wmi_startscan_cmd(struct wmi *wmi, u8 if_idx,1951 enum wmi_scan_type scan_type,1952 u32 force_fgscan, u32 is_legacy,1953 u32 home_dwell_time,1954 u32 force_scan_interval,1955 s8 num_chan, u16 *ch_list)1956{1957 struct sk_buff *skb;1958 struct wmi_start_scan_cmd *sc;1959 int i, ret;1960 1961 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))1962 return -EINVAL;1963 1964 if (num_chan > WMI_MAX_CHANNELS)1965 return -EINVAL;1966 1967 skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));1968 if (!skb)1969 return -ENOMEM;1970 1971 sc = (struct wmi_start_scan_cmd *) skb->data;1972 sc->scan_type = scan_type;1973 sc->force_fg_scan = cpu_to_le32(force_fgscan);1974 sc->is_legacy = cpu_to_le32(is_legacy);1975 sc->home_dwell_time = cpu_to_le32(home_dwell_time);1976 sc->force_scan_intvl = cpu_to_le32(force_scan_interval);1977 sc->num_ch = num_chan;1978 1979 for (i = 0; i < num_chan; i++)1980 sc->ch_list[i] = cpu_to_le16(ch_list[i]);1981 1982 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_START_SCAN_CMDID,1983 NO_SYNC_WMIFLAG);1984 1985 return ret;1986}1987 1988/*1989 * beginscan supports (compared to old startscan) P2P mgmt operations using1990 * station interface, send additional information like supported rates to1991 * advertise and xmit rates for probe requests1992 */1993int ath6kl_wmi_beginscan_cmd(struct wmi *wmi, u8 if_idx,1994 enum wmi_scan_type scan_type,1995 u32 force_fgscan, u32 is_legacy,1996 u32 home_dwell_time, u32 force_scan_interval,1997 s8 num_chan, u16 *ch_list, u32 no_cck, u32 *rates)1998{1999 struct ieee80211_supported_band *sband;2000 struct sk_buff *skb;2001 struct wmi_begin_scan_cmd *sc;2002 s8 *supp_rates;2003 int i, band, ret;2004 struct ath6kl *ar = wmi->parent_dev;2005 int num_rates;2006 u32 ratemask;2007 2008 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,2009 ar->fw_capabilities)) {2010 return ath6kl_wmi_startscan_cmd(wmi, if_idx,2011 scan_type, force_fgscan,2012 is_legacy, home_dwell_time,2013 force_scan_interval,2014 num_chan, ch_list);2015 }2016 2017 if ((scan_type != WMI_LONG_SCAN) && (scan_type != WMI_SHORT_SCAN))2018 return -EINVAL;2019 2020 if (num_chan > WMI_MAX_CHANNELS)2021 return -EINVAL;2022 2023 skb = ath6kl_wmi_get_new_buf(struct_size(sc, ch_list, num_chan));2024 if (!skb)2025 return -ENOMEM;2026 2027 sc = (struct wmi_begin_scan_cmd *) skb->data;2028 sc->scan_type = scan_type;2029 sc->force_fg_scan = cpu_to_le32(force_fgscan);2030 sc->is_legacy = cpu_to_le32(is_legacy);2031 sc->home_dwell_time = cpu_to_le32(home_dwell_time);2032 sc->force_scan_intvl = cpu_to_le32(force_scan_interval);2033 sc->no_cck = cpu_to_le32(no_cck);2034 sc->num_ch = num_chan;2035 2036 for (band = 0; band < NUM_NL80211_BANDS; band++) {2037 sband = ar->wiphy->bands[band];2038 2039 if (!sband)2040 continue;2041 2042 if (WARN_ON(band >= ATH6KL_NUM_BANDS))2043 break;2044 2045 ratemask = rates[band];2046 supp_rates = sc->supp_rates[band].rates;2047 num_rates = 0;2048 2049 for (i = 0; i < sband->n_bitrates; i++) {2050 if ((BIT(i) & ratemask) == 0)2051 continue; /* skip rate */2052 supp_rates[num_rates++] =2053 (u8) (sband->bitrates[i].bitrate / 5);2054 }2055 sc->supp_rates[band].nrates = num_rates;2056 }2057 2058 for (i = 0; i < num_chan; i++)2059 sc->ch_list[i] = cpu_to_le16(ch_list[i]);2060 2061 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_BEGIN_SCAN_CMDID,2062 NO_SYNC_WMIFLAG);2063 2064 return ret;2065}2066 2067int ath6kl_wmi_enable_sched_scan_cmd(struct wmi *wmi, u8 if_idx, bool enable)2068{2069 struct sk_buff *skb;2070 struct wmi_enable_sched_scan_cmd *sc;2071 int ret;2072 2073 skb = ath6kl_wmi_get_new_buf(sizeof(*sc));2074 if (!skb)2075 return -ENOMEM;2076 2077 ath6kl_dbg(ATH6KL_DBG_WMI, "%s scheduled scan on vif %d\n",2078 enable ? "enabling" : "disabling", if_idx);2079 sc = (struct wmi_enable_sched_scan_cmd *) skb->data;2080 sc->enable = enable ? 1 : 0;2081 2082 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,2083 WMI_ENABLE_SCHED_SCAN_CMDID,2084 NO_SYNC_WMIFLAG);2085 return ret;2086}2087 2088int ath6kl_wmi_scanparams_cmd(struct wmi *wmi, u8 if_idx,2089 u16 fg_start_sec,2090 u16 fg_end_sec, u16 bg_sec,2091 u16 minact_chdw_msec, u16 maxact_chdw_msec,2092 u16 pas_chdw_msec, u8 short_scan_ratio,2093 u8 scan_ctrl_flag, u32 max_dfsch_act_time,2094 u16 maxact_scan_per_ssid)2095{2096 struct sk_buff *skb;2097 struct wmi_scan_params_cmd *sc;2098 int ret;2099 2100 skb = ath6kl_wmi_get_new_buf(sizeof(*sc));2101 if (!skb)2102 return -ENOMEM;2103 2104 sc = (struct wmi_scan_params_cmd *) skb->data;2105 sc->fg_start_period = cpu_to_le16(fg_start_sec);2106 sc->fg_end_period = cpu_to_le16(fg_end_sec);2107 sc->bg_period = cpu_to_le16(bg_sec);2108 sc->minact_chdwell_time = cpu_to_le16(minact_chdw_msec);2109 sc->maxact_chdwell_time = cpu_to_le16(maxact_chdw_msec);2110 sc->pas_chdwell_time = cpu_to_le16(pas_chdw_msec);2111 sc->short_scan_ratio = short_scan_ratio;2112 sc->scan_ctrl_flags = scan_ctrl_flag;2113 sc->max_dfsch_act_time = cpu_to_le32(max_dfsch_act_time);2114 sc->maxact_scan_per_ssid = cpu_to_le16(maxact_scan_per_ssid);2115 2116 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_SCAN_PARAMS_CMDID,2117 NO_SYNC_WMIFLAG);2118 return ret;2119}2120 2121int ath6kl_wmi_bssfilter_cmd(struct wmi *wmi, u8 if_idx, u8 filter, u32 ie_mask)2122{2123 struct sk_buff *skb;2124 struct wmi_bss_filter_cmd *cmd;2125 int ret;2126 2127 if (filter >= LAST_BSS_FILTER)2128 return -EINVAL;2129 2130 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2131 if (!skb)2132 return -ENOMEM;2133 2134 cmd = (struct wmi_bss_filter_cmd *) skb->data;2135 cmd->bss_filter = filter;2136 cmd->ie_mask = cpu_to_le32(ie_mask);2137 2138 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BSS_FILTER_CMDID,2139 NO_SYNC_WMIFLAG);2140 return ret;2141}2142 2143int ath6kl_wmi_probedssid_cmd(struct wmi *wmi, u8 if_idx, u8 index, u8 flag,2144 u8 ssid_len, u8 *ssid)2145{2146 struct sk_buff *skb;2147 struct wmi_probed_ssid_cmd *cmd;2148 int ret;2149 2150 if (index >= MAX_PROBED_SSIDS)2151 return -EINVAL;2152 2153 if (ssid_len > sizeof(cmd->ssid))2154 return -EINVAL;2155 2156 if ((flag & (DISABLE_SSID_FLAG | ANY_SSID_FLAG)) && (ssid_len > 0))2157 return -EINVAL;2158 2159 if ((flag & SPECIFIC_SSID_FLAG) && !ssid_len)2160 return -EINVAL;2161 2162 if (flag & SPECIFIC_SSID_FLAG)2163 wmi->is_probe_ssid = true;2164 2165 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2166 if (!skb)2167 return -ENOMEM;2168 2169 cmd = (struct wmi_probed_ssid_cmd *) skb->data;2170 cmd->entry_index = index;2171 cmd->flag = flag;2172 cmd->ssid_len = ssid_len;2173 memcpy(cmd->ssid, ssid, ssid_len);2174 2175 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PROBED_SSID_CMDID,2176 NO_SYNC_WMIFLAG);2177 return ret;2178}2179 2180int ath6kl_wmi_listeninterval_cmd(struct wmi *wmi, u8 if_idx,2181 u16 listen_interval,2182 u16 listen_beacons)2183{2184 struct sk_buff *skb;2185 struct wmi_listen_int_cmd *cmd;2186 int ret;2187 2188 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2189 if (!skb)2190 return -ENOMEM;2191 2192 cmd = (struct wmi_listen_int_cmd *) skb->data;2193 cmd->listen_intvl = cpu_to_le16(listen_interval);2194 cmd->num_beacons = cpu_to_le16(listen_beacons);2195 2196 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LISTEN_INT_CMDID,2197 NO_SYNC_WMIFLAG);2198 return ret;2199}2200 2201int ath6kl_wmi_bmisstime_cmd(struct wmi *wmi, u8 if_idx,2202 u16 bmiss_time, u16 num_beacons)2203{2204 struct sk_buff *skb;2205 struct wmi_bmiss_time_cmd *cmd;2206 int ret;2207 2208 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2209 if (!skb)2210 return -ENOMEM;2211 2212 cmd = (struct wmi_bmiss_time_cmd *) skb->data;2213 cmd->bmiss_time = cpu_to_le16(bmiss_time);2214 cmd->num_beacons = cpu_to_le16(num_beacons);2215 2216 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_BMISS_TIME_CMDID,2217 NO_SYNC_WMIFLAG);2218 return ret;2219}2220 2221int ath6kl_wmi_powermode_cmd(struct wmi *wmi, u8 if_idx, u8 pwr_mode)2222{2223 struct sk_buff *skb;2224 struct wmi_power_mode_cmd *cmd;2225 int ret;2226 2227 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2228 if (!skb)2229 return -ENOMEM;2230 2231 cmd = (struct wmi_power_mode_cmd *) skb->data;2232 cmd->pwr_mode = pwr_mode;2233 wmi->pwr_mode = pwr_mode;2234 2235 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_MODE_CMDID,2236 NO_SYNC_WMIFLAG);2237 return ret;2238}2239 2240int ath6kl_wmi_pmparams_cmd(struct wmi *wmi, u8 if_idx, u16 idle_period,2241 u16 ps_poll_num, u16 dtim_policy,2242 u16 tx_wakeup_policy, u16 num_tx_to_wakeup,2243 u16 ps_fail_event_policy)2244{2245 struct sk_buff *skb;2246 struct wmi_power_params_cmd *pm;2247 int ret;2248 2249 skb = ath6kl_wmi_get_new_buf(sizeof(*pm));2250 if (!skb)2251 return -ENOMEM;2252 2253 pm = (struct wmi_power_params_cmd *)skb->data;2254 pm->idle_period = cpu_to_le16(idle_period);2255 pm->pspoll_number = cpu_to_le16(ps_poll_num);2256 pm->dtim_policy = cpu_to_le16(dtim_policy);2257 pm->tx_wakeup_policy = cpu_to_le16(tx_wakeup_policy);2258 pm->num_tx_to_wakeup = cpu_to_le16(num_tx_to_wakeup);2259 pm->ps_fail_event_policy = cpu_to_le16(ps_fail_event_policy);2260 2261 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_POWER_PARAMS_CMDID,2262 NO_SYNC_WMIFLAG);2263 return ret;2264}2265 2266int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 if_idx, u8 timeout)2267{2268 struct sk_buff *skb;2269 struct wmi_disc_timeout_cmd *cmd;2270 int ret;2271 2272 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2273 if (!skb)2274 return -ENOMEM;2275 2276 cmd = (struct wmi_disc_timeout_cmd *) skb->data;2277 cmd->discon_timeout = timeout;2278 2279 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_DISC_TIMEOUT_CMDID,2280 NO_SYNC_WMIFLAG);2281 2282 if (ret == 0)2283 ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);2284 2285 return ret;2286}2287 2288int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index,2289 enum ath6kl_crypto_type key_type,2290 u8 key_usage, u8 key_len,2291 u8 *key_rsc, unsigned int key_rsc_len,2292 u8 *key_material,2293 u8 key_op_ctrl, u8 *mac_addr,2294 enum wmi_sync_flag sync_flag)2295{2296 struct sk_buff *skb;2297 struct wmi_add_cipher_key_cmd *cmd;2298 int ret;2299 2300 ath6kl_dbg(ATH6KL_DBG_WMI,2301 "addkey cmd: key_index=%u key_type=%d key_usage=%d key_len=%d key_op_ctrl=%d\n",2302 key_index, key_type, key_usage, key_len, key_op_ctrl);2303 2304 if ((key_index > WMI_MAX_KEY_INDEX) || (key_len > WMI_MAX_KEY_LEN) ||2305 (key_material == NULL) || key_rsc_len > 8)2306 return -EINVAL;2307 2308 if ((WEP_CRYPT != key_type) && (NULL == key_rsc))2309 return -EINVAL;2310 2311 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2312 if (!skb)2313 return -ENOMEM;2314 2315 cmd = (struct wmi_add_cipher_key_cmd *) skb->data;2316 cmd->key_index = key_index;2317 cmd->key_type = key_type;2318 cmd->key_usage = key_usage;2319 cmd->key_len = key_len;2320 memcpy(cmd->key, key_material, key_len);2321 2322 if (key_rsc != NULL)2323 memcpy(cmd->key_rsc, key_rsc, key_rsc_len);2324 2325 cmd->key_op_ctrl = key_op_ctrl;2326 2327 if (mac_addr)2328 memcpy(cmd->key_mac_addr, mac_addr, ETH_ALEN);2329 2330 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_CIPHER_KEY_CMDID,2331 sync_flag);2332 2333 return ret;2334}2335 2336int ath6kl_wmi_add_krk_cmd(struct wmi *wmi, u8 if_idx, const u8 *krk)2337{2338 struct sk_buff *skb;2339 struct wmi_add_krk_cmd *cmd;2340 int ret;2341 2342 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2343 if (!skb)2344 return -ENOMEM;2345 2346 cmd = (struct wmi_add_krk_cmd *) skb->data;2347 memcpy(cmd->krk, krk, WMI_KRK_LEN);2348 2349 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_KRK_CMDID,2350 NO_SYNC_WMIFLAG);2351 2352 return ret;2353}2354 2355int ath6kl_wmi_deletekey_cmd(struct wmi *wmi, u8 if_idx, u8 key_index)2356{2357 struct sk_buff *skb;2358 struct wmi_delete_cipher_key_cmd *cmd;2359 int ret;2360 2361 if (key_index > WMI_MAX_KEY_INDEX)2362 return -EINVAL;2363 2364 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2365 if (!skb)2366 return -ENOMEM;2367 2368 cmd = (struct wmi_delete_cipher_key_cmd *) skb->data;2369 cmd->key_index = key_index;2370 2371 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_CIPHER_KEY_CMDID,2372 NO_SYNC_WMIFLAG);2373 2374 return ret;2375}2376 2377int ath6kl_wmi_setpmkid_cmd(struct wmi *wmi, u8 if_idx, const u8 *bssid,2378 const u8 *pmkid, bool set)2379{2380 struct sk_buff *skb;2381 struct wmi_setpmkid_cmd *cmd;2382 int ret;2383 2384 if (bssid == NULL)2385 return -EINVAL;2386 2387 if (set && pmkid == NULL)2388 return -EINVAL;2389 2390 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2391 if (!skb)2392 return -ENOMEM;2393 2394 cmd = (struct wmi_setpmkid_cmd *) skb->data;2395 memcpy(cmd->bssid, bssid, ETH_ALEN);2396 if (set) {2397 memcpy(cmd->pmkid, pmkid, sizeof(cmd->pmkid));2398 cmd->enable = PMKID_ENABLE;2399 } else {2400 memset(cmd->pmkid, 0, sizeof(cmd->pmkid));2401 cmd->enable = PMKID_DISABLE;2402 }2403 2404 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_PMKID_CMDID,2405 NO_SYNC_WMIFLAG);2406 2407 return ret;2408}2409 2410static int ath6kl_wmi_data_sync_send(struct wmi *wmi, struct sk_buff *skb,2411 enum htc_endpoint_id ep_id, u8 if_idx)2412{2413 struct wmi_data_hdr *data_hdr;2414 int ret;2415 2416 if (WARN_ON(skb == NULL || ep_id == wmi->ep_id)) {2417 dev_kfree_skb(skb);2418 return -EINVAL;2419 }2420 2421 skb_push(skb, sizeof(struct wmi_data_hdr));2422 2423 data_hdr = (struct wmi_data_hdr *) skb->data;2424 data_hdr->info = SYNC_MSGTYPE << WMI_DATA_HDR_MSG_TYPE_SHIFT;2425 data_hdr->info3 = cpu_to_le16(if_idx & WMI_DATA_HDR_IF_IDX_MASK);2426 2427 ret = ath6kl_control_tx(wmi->parent_dev, skb, ep_id);2428 2429 return ret;2430}2431 2432static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)2433{2434 struct sk_buff *skb;2435 struct wmi_sync_cmd *cmd;2436 struct wmi_data_sync_bufs data_sync_bufs[WMM_NUM_AC];2437 enum htc_endpoint_id ep_id;2438 u8 index, num_pri_streams = 0;2439 int ret = 0;2440 2441 memset(data_sync_bufs, 0, sizeof(data_sync_bufs));2442 2443 spin_lock_bh(&wmi->lock);2444 2445 for (index = 0; index < WMM_NUM_AC; index++) {2446 if (wmi->fat_pipe_exist & (1 << index)) {2447 num_pri_streams++;2448 data_sync_bufs[num_pri_streams - 1].traffic_class =2449 index;2450 }2451 }2452 2453 spin_unlock_bh(&wmi->lock);2454 2455 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2456 if (!skb)2457 return -ENOMEM;2458 2459 cmd = (struct wmi_sync_cmd *) skb->data;2460 2461 /*2462 * In the SYNC cmd sent on the control Ep, send a bitmap2463 * of the data eps on which the Data Sync will be sent2464 */2465 cmd->data_sync_map = wmi->fat_pipe_exist;2466 2467 for (index = 0; index < num_pri_streams; index++) {2468 data_sync_bufs[index].skb = ath6kl_buf_alloc(0);2469 if (data_sync_bufs[index].skb == NULL) {2470 ret = -ENOMEM;2471 break;2472 }2473 }2474 2475 /*2476 * If buffer allocation for any of the dataSync fails,2477 * then do not send the Synchronize cmd on the control ep2478 */2479 if (ret)2480 goto free_cmd_skb;2481 2482 /*2483 * Send sync cmd followed by sync data messages on all2484 * endpoints being used2485 */2486 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SYNCHRONIZE_CMDID,2487 NO_SYNC_WMIFLAG);2488 2489 if (ret)2490 goto free_data_skb;2491 2492 for (index = 0; index < num_pri_streams; index++) {2493 if (WARN_ON(!data_sync_bufs[index].skb)) {2494 ret = -ENOMEM;2495 goto free_data_skb;2496 }2497 2498 ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,2499 data_sync_bufs[index].2500 traffic_class);2501 ret =2502 ath6kl_wmi_data_sync_send(wmi, data_sync_bufs[index].skb,2503 ep_id, if_idx);2504 2505 data_sync_bufs[index].skb = NULL;2506 2507 if (ret)2508 goto free_data_skb;2509 }2510 2511 return 0;2512 2513free_cmd_skb:2514 /* free up any resources left over (possibly due to an error) */2515 dev_kfree_skb(skb);2516 2517free_data_skb:2518 for (index = 0; index < num_pri_streams; index++)2519 dev_kfree_skb((struct sk_buff *)data_sync_bufs[index].skb);2520 2521 return ret;2522}2523 2524int ath6kl_wmi_create_pstream_cmd(struct wmi *wmi, u8 if_idx,2525 struct wmi_create_pstream_cmd *params)2526{2527 struct sk_buff *skb;2528 struct wmi_create_pstream_cmd *cmd;2529 u8 fatpipe_exist_for_ac = 0;2530 s32 min_phy = 0;2531 s32 nominal_phy = 0;2532 int ret;2533 2534 if (!((params->user_pri <= 0x7) &&2535 (up_to_ac[params->user_pri & 0x7] == params->traffic_class) &&2536 (params->traffic_direc == UPLINK_TRAFFIC ||2537 params->traffic_direc == DNLINK_TRAFFIC ||2538 params->traffic_direc == BIDIR_TRAFFIC) &&2539 (params->traffic_type == TRAFFIC_TYPE_APERIODIC ||2540 params->traffic_type == TRAFFIC_TYPE_PERIODIC) &&2541 (params->voice_psc_cap == DISABLE_FOR_THIS_AC ||2542 params->voice_psc_cap == ENABLE_FOR_THIS_AC ||2543 params->voice_psc_cap == ENABLE_FOR_ALL_AC) &&2544 (params->tsid == WMI_IMPLICIT_PSTREAM ||2545 params->tsid <= WMI_MAX_THINSTREAM))) {2546 return -EINVAL;2547 }2548 2549 /*2550 * Check nominal PHY rate is >= minimalPHY,2551 * so that DUT can allow TSRS IE2552 */2553 2554 /* Get the physical rate (units of bps) */2555 min_phy = ((le32_to_cpu(params->min_phy_rate) / 1000) / 1000);2556 2557 /* Check minimal phy < nominal phy rate */2558 if (params->nominal_phy >= min_phy) {2559 /* unit of 500 kbps */2560 nominal_phy = (params->nominal_phy * 1000) / 500;2561 ath6kl_dbg(ATH6KL_DBG_WMI,2562 "TSRS IE enabled::MinPhy %x->NominalPhy ===> %x\n",2563 min_phy, nominal_phy);2564 2565 params->nominal_phy = nominal_phy;2566 } else {2567 params->nominal_phy = 0;2568 }2569 2570 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2571 if (!skb)2572 return -ENOMEM;2573 2574 ath6kl_dbg(ATH6KL_DBG_WMI,2575 "sending create_pstream_cmd: ac=%d tsid:%d\n",2576 params->traffic_class, params->tsid);2577 2578 cmd = (struct wmi_create_pstream_cmd *) skb->data;2579 memcpy(cmd, params, sizeof(*cmd));2580 2581 /* This is an implicitly created Fat pipe */2582 if ((u32) params->tsid == (u32) WMI_IMPLICIT_PSTREAM) {2583 spin_lock_bh(&wmi->lock);2584 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &2585 (1 << params->traffic_class));2586 wmi->fat_pipe_exist |= (1 << params->traffic_class);2587 spin_unlock_bh(&wmi->lock);2588 } else {2589 /* explicitly created thin stream within a fat pipe */2590 spin_lock_bh(&wmi->lock);2591 fatpipe_exist_for_ac = (wmi->fat_pipe_exist &2592 (1 << params->traffic_class));2593 wmi->stream_exist_for_ac[params->traffic_class] |=2594 (1 << params->tsid);2595 /*2596 * If a thinstream becomes active, the fat pipe automatically2597 * becomes active2598 */2599 wmi->fat_pipe_exist |= (1 << params->traffic_class);2600 spin_unlock_bh(&wmi->lock);2601 }2602 2603 /*2604 * Indicate activty change to driver layer only if this is the2605 * first TSID to get created in this AC explicitly or an implicit2606 * fat pipe is getting created.2607 */2608 if (!fatpipe_exist_for_ac)2609 ath6kl_indicate_tx_activity(wmi->parent_dev,2610 params->traffic_class, true);2611 2612 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_CREATE_PSTREAM_CMDID,2613 NO_SYNC_WMIFLAG);2614 return ret;2615}2616 2617int ath6kl_wmi_delete_pstream_cmd(struct wmi *wmi, u8 if_idx, u8 traffic_class,2618 u8 tsid)2619{2620 struct sk_buff *skb;2621 struct wmi_delete_pstream_cmd *cmd;2622 u16 active_tsids = 0;2623 int ret;2624 2625 if (traffic_class >= WMM_NUM_AC) {2626 ath6kl_err("invalid traffic class: %d\n", traffic_class);2627 return -EINVAL;2628 }2629 2630 if (tsid >= 16) {2631 ath6kl_err("invalid tsid: %d\n", tsid);2632 return -EINVAL;2633 }2634 2635 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2636 if (!skb)2637 return -ENOMEM;2638 2639 cmd = (struct wmi_delete_pstream_cmd *) skb->data;2640 cmd->traffic_class = traffic_class;2641 cmd->tsid = tsid;2642 2643 spin_lock_bh(&wmi->lock);2644 active_tsids = wmi->stream_exist_for_ac[traffic_class];2645 spin_unlock_bh(&wmi->lock);2646 2647 if (!(active_tsids & (1 << tsid))) {2648 dev_kfree_skb(skb);2649 ath6kl_dbg(ATH6KL_DBG_WMI,2650 "TSID %d doesn't exist for traffic class: %d\n",2651 tsid, traffic_class);2652 return -ENODATA;2653 }2654 2655 ath6kl_dbg(ATH6KL_DBG_WMI,2656 "sending delete_pstream_cmd: traffic class: %d tsid=%d\n",2657 traffic_class, tsid);2658 2659 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DELETE_PSTREAM_CMDID,2660 SYNC_BEFORE_WMIFLAG);2661 2662 spin_lock_bh(&wmi->lock);2663 wmi->stream_exist_for_ac[traffic_class] &= ~(1 << tsid);2664 active_tsids = wmi->stream_exist_for_ac[traffic_class];2665 spin_unlock_bh(&wmi->lock);2666 2667 /*2668 * Indicate stream inactivity to driver layer only if all tsids2669 * within this AC are deleted.2670 */2671 if (!active_tsids) {2672 ath6kl_indicate_tx_activity(wmi->parent_dev,2673 traffic_class, false);2674 wmi->fat_pipe_exist &= ~(1 << traffic_class);2675 }2676 2677 return ret;2678}2679 2680int ath6kl_wmi_set_ip_cmd(struct wmi *wmi, u8 if_idx,2681 __be32 ips0, __be32 ips1)2682{2683 struct sk_buff *skb;2684 struct wmi_set_ip_cmd *cmd;2685 int ret;2686 2687 /* Multicast address are not valid */2688 if (ipv4_is_multicast(ips0) ||2689 ipv4_is_multicast(ips1))2690 return -EINVAL;2691 2692 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_ip_cmd));2693 if (!skb)2694 return -ENOMEM;2695 2696 cmd = (struct wmi_set_ip_cmd *) skb->data;2697 cmd->ips[0] = ips0;2698 cmd->ips[1] = ips1;2699 2700 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IP_CMDID,2701 NO_SYNC_WMIFLAG);2702 return ret;2703}2704 2705static void ath6kl_wmi_relinquish_implicit_pstream_credits(struct wmi *wmi)2706{2707 u16 active_tsids;2708 u8 stream_exist;2709 int i;2710 2711 /*2712 * Relinquish credits from all implicitly created pstreams2713 * since when we go to sleep. If user created explicit2714 * thinstreams exists with in a fatpipe leave them intact2715 * for the user to delete.2716 */2717 spin_lock_bh(&wmi->lock);2718 stream_exist = wmi->fat_pipe_exist;2719 spin_unlock_bh(&wmi->lock);2720 2721 for (i = 0; i < WMM_NUM_AC; i++) {2722 if (stream_exist & (1 << i)) {2723 /*2724 * FIXME: Is this lock & unlock inside2725 * for loop correct? may need rework.2726 */2727 spin_lock_bh(&wmi->lock);2728 active_tsids = wmi->stream_exist_for_ac[i];2729 spin_unlock_bh(&wmi->lock);2730 2731 /*2732 * If there are no user created thin streams2733 * delete the fatpipe2734 */2735 if (!active_tsids) {2736 stream_exist &= ~(1 << i);2737 /*2738 * Indicate inactivity to driver layer for2739 * this fatpipe (pstream)2740 */2741 ath6kl_indicate_tx_activity(wmi->parent_dev,2742 i, false);2743 }2744 }2745 }2746 2747 /* FIXME: Can we do this assignment without locking ? */2748 spin_lock_bh(&wmi->lock);2749 wmi->fat_pipe_exist = stream_exist;2750 spin_unlock_bh(&wmi->lock);2751}2752 2753static int ath6kl_set_bitrate_mask64(struct wmi *wmi, u8 if_idx,2754 const struct cfg80211_bitrate_mask *mask)2755{2756 struct sk_buff *skb;2757 int ret, mode, band;2758 u64 mcsrate, ratemask[ATH6KL_NUM_BANDS];2759 struct wmi_set_tx_select_rates64_cmd *cmd;2760 2761 memset(&ratemask, 0, sizeof(ratemask));2762 2763 /* only check 2.4 and 5 GHz bands, skip the rest */2764 for (band = 0; band <= NL80211_BAND_5GHZ; band++) {2765 /* copy legacy rate mask */2766 ratemask[band] = mask->control[band].legacy;2767 if (band == NL80211_BAND_5GHZ)2768 ratemask[band] =2769 mask->control[band].legacy << 4;2770 2771 /* copy mcs rate mask */2772 mcsrate = mask->control[band].ht_mcs[1];2773 mcsrate <<= 8;2774 mcsrate |= mask->control[band].ht_mcs[0];2775 ratemask[band] |= mcsrate << 12;2776 ratemask[band] |= mcsrate << 28;2777 }2778 2779 ath6kl_dbg(ATH6KL_DBG_WMI,2780 "Ratemask 64 bit: 2.4:%llx 5:%llx\n",2781 ratemask[0], ratemask[1]);2782 2783 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);2784 if (!skb)2785 return -ENOMEM;2786 2787 cmd = (struct wmi_set_tx_select_rates64_cmd *) skb->data;2788 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {2789 /* A mode operate in 5GHZ band */2790 if (mode == WMI_RATES_MODE_11A ||2791 mode == WMI_RATES_MODE_11A_HT20 ||2792 mode == WMI_RATES_MODE_11A_HT40)2793 band = NL80211_BAND_5GHZ;2794 else2795 band = NL80211_BAND_2GHZ;2796 cmd->ratemask[mode] = cpu_to_le64(ratemask[band]);2797 }2798 2799 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,2800 WMI_SET_TX_SELECT_RATES_CMDID,2801 NO_SYNC_WMIFLAG);2802 return ret;2803}2804 2805static int ath6kl_set_bitrate_mask32(struct wmi *wmi, u8 if_idx,2806 const struct cfg80211_bitrate_mask *mask)2807{2808 struct sk_buff *skb;2809 int ret, mode, band;2810 u32 mcsrate, ratemask[ATH6KL_NUM_BANDS];2811 struct wmi_set_tx_select_rates32_cmd *cmd;2812 2813 memset(&ratemask, 0, sizeof(ratemask));2814 2815 /* only check 2.4 and 5 GHz bands, skip the rest */2816 for (band = 0; band <= NL80211_BAND_5GHZ; band++) {2817 /* copy legacy rate mask */2818 ratemask[band] = mask->control[band].legacy;2819 if (band == NL80211_BAND_5GHZ)2820 ratemask[band] =2821 mask->control[band].legacy << 4;2822 2823 /* copy mcs rate mask */2824 mcsrate = mask->control[band].ht_mcs[0];2825 ratemask[band] |= mcsrate << 12;2826 ratemask[band] |= mcsrate << 20;2827 }2828 2829 ath6kl_dbg(ATH6KL_DBG_WMI,2830 "Ratemask 32 bit: 2.4:%x 5:%x\n",2831 ratemask[0], ratemask[1]);2832 2833 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd) * WMI_RATES_MODE_MAX);2834 if (!skb)2835 return -ENOMEM;2836 2837 cmd = (struct wmi_set_tx_select_rates32_cmd *) skb->data;2838 for (mode = 0; mode < WMI_RATES_MODE_MAX; mode++) {2839 /* A mode operate in 5GHZ band */2840 if (mode == WMI_RATES_MODE_11A ||2841 mode == WMI_RATES_MODE_11A_HT20 ||2842 mode == WMI_RATES_MODE_11A_HT40)2843 band = NL80211_BAND_5GHZ;2844 else2845 band = NL80211_BAND_2GHZ;2846 cmd->ratemask[mode] = cpu_to_le32(ratemask[band]);2847 }2848 2849 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,2850 WMI_SET_TX_SELECT_RATES_CMDID,2851 NO_SYNC_WMIFLAG);2852 return ret;2853}2854 2855int ath6kl_wmi_set_bitrate_mask(struct wmi *wmi, u8 if_idx,2856 const struct cfg80211_bitrate_mask *mask)2857{2858 struct ath6kl *ar = wmi->parent_dev;2859 2860 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,2861 ar->fw_capabilities))2862 return ath6kl_set_bitrate_mask64(wmi, if_idx, mask);2863 else2864 return ath6kl_set_bitrate_mask32(wmi, if_idx, mask);2865}2866 2867int ath6kl_wmi_set_host_sleep_mode_cmd(struct wmi *wmi, u8 if_idx,2868 enum ath6kl_host_mode host_mode)2869{2870 struct sk_buff *skb;2871 struct wmi_set_host_sleep_mode_cmd *cmd;2872 int ret;2873 2874 if ((host_mode != ATH6KL_HOST_MODE_ASLEEP) &&2875 (host_mode != ATH6KL_HOST_MODE_AWAKE)) {2876 ath6kl_err("invalid host sleep mode: %d\n", host_mode);2877 return -EINVAL;2878 }2879 2880 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2881 if (!skb)2882 return -ENOMEM;2883 2884 cmd = (struct wmi_set_host_sleep_mode_cmd *) skb->data;2885 2886 if (host_mode == ATH6KL_HOST_MODE_ASLEEP) {2887 ath6kl_wmi_relinquish_implicit_pstream_credits(wmi);2888 cmd->asleep = cpu_to_le32(1);2889 } else {2890 cmd->awake = cpu_to_le32(1);2891 }2892 2893 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,2894 WMI_SET_HOST_SLEEP_MODE_CMDID,2895 NO_SYNC_WMIFLAG);2896 return ret;2897}2898 2899/* This command has zero length payload */2900static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,2901 struct ath6kl_vif *vif)2902{2903 struct ath6kl *ar = wmi->parent_dev;2904 2905 set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);2906 wake_up(&ar->event_wq);2907 2908 return 0;2909}2910 2911int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,2912 enum ath6kl_wow_mode wow_mode,2913 u32 filter, u16 host_req_delay)2914{2915 struct sk_buff *skb;2916 struct wmi_set_wow_mode_cmd *cmd;2917 int ret;2918 2919 if ((wow_mode != ATH6KL_WOW_MODE_ENABLE) &&2920 wow_mode != ATH6KL_WOW_MODE_DISABLE) {2921 ath6kl_err("invalid wow mode: %d\n", wow_mode);2922 return -EINVAL;2923 }2924 2925 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2926 if (!skb)2927 return -ENOMEM;2928 2929 cmd = (struct wmi_set_wow_mode_cmd *) skb->data;2930 cmd->enable_wow = cpu_to_le32(wow_mode);2931 cmd->filter = cpu_to_le32(filter);2932 cmd->host_req_delay = cpu_to_le16(host_req_delay);2933 2934 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WOW_MODE_CMDID,2935 NO_SYNC_WMIFLAG);2936 return ret;2937}2938 2939int ath6kl_wmi_add_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,2940 u8 list_id, u8 filter_size,2941 u8 filter_offset, const u8 *filter,2942 const u8 *mask)2943{2944 struct sk_buff *skb;2945 struct wmi_add_wow_pattern_cmd *cmd;2946 u16 size;2947 u8 *filter_mask;2948 int ret;2949 2950 /*2951 * Allocate additional memory in the buffer to hold2952 * filter and mask value, which is twice of filter_size.2953 */2954 size = sizeof(*cmd) + (2 * filter_size);2955 2956 skb = ath6kl_wmi_get_new_buf(size);2957 if (!skb)2958 return -ENOMEM;2959 2960 cmd = (struct wmi_add_wow_pattern_cmd *) skb->data;2961 cmd->filter_list_id = list_id;2962 cmd->filter_size = filter_size;2963 cmd->filter_offset = filter_offset;2964 2965 memcpy(cmd->filter, filter, filter_size);2966 2967 filter_mask = (u8 *) (cmd->filter + filter_size);2968 memcpy(filter_mask, mask, filter_size);2969 2970 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_ADD_WOW_PATTERN_CMDID,2971 NO_SYNC_WMIFLAG);2972 2973 return ret;2974}2975 2976int ath6kl_wmi_del_wow_pattern_cmd(struct wmi *wmi, u8 if_idx,2977 u16 list_id, u16 filter_id)2978{2979 struct sk_buff *skb;2980 struct wmi_del_wow_pattern_cmd *cmd;2981 int ret;2982 2983 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));2984 if (!skb)2985 return -ENOMEM;2986 2987 cmd = (struct wmi_del_wow_pattern_cmd *) skb->data;2988 cmd->filter_list_id = cpu_to_le16(list_id);2989 cmd->filter_id = cpu_to_le16(filter_id);2990 2991 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_DEL_WOW_PATTERN_CMDID,2992 NO_SYNC_WMIFLAG);2993 return ret;2994}2995 2996static int ath6kl_wmi_cmd_send_xtnd(struct wmi *wmi, struct sk_buff *skb,2997 enum wmix_command_id cmd_id,2998 enum wmi_sync_flag sync_flag)2999{3000 struct wmix_cmd_hdr *cmd_hdr;3001 int ret;3002 3003 skb_push(skb, sizeof(struct wmix_cmd_hdr));3004 3005 cmd_hdr = (struct wmix_cmd_hdr *) skb->data;3006 cmd_hdr->cmd_id = cpu_to_le32(cmd_id);3007 3008 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_EXTENSION_CMDID, sync_flag);3009 3010 return ret;3011}3012 3013int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source)3014{3015 struct sk_buff *skb;3016 struct wmix_hb_challenge_resp_cmd *cmd;3017 int ret;3018 3019 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3020 if (!skb)3021 return -ENOMEM;3022 3023 cmd = (struct wmix_hb_challenge_resp_cmd *) skb->data;3024 cmd->cookie = cpu_to_le32(cookie);3025 cmd->source = cpu_to_le32(source);3026 3027 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_HB_CHALLENGE_RESP_CMDID,3028 NO_SYNC_WMIFLAG);3029 return ret;3030}3031 3032int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)3033{3034 struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;3035 struct sk_buff *skb;3036 int ret;3037 3038 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3039 if (!skb)3040 return -ENOMEM;3041 3042 cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;3043 cmd->valid = cpu_to_le32(valid);3044 cmd->config = cpu_to_le32(config);3045 3046 ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,3047 NO_SYNC_WMIFLAG);3048 return ret;3049}3050 3051int ath6kl_wmi_get_stats_cmd(struct wmi *wmi, u8 if_idx)3052{3053 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_STATISTICS_CMDID);3054}3055 3056int ath6kl_wmi_set_tx_pwr_cmd(struct wmi *wmi, u8 if_idx, u8 dbM)3057{3058 struct sk_buff *skb;3059 struct wmi_set_tx_pwr_cmd *cmd;3060 int ret;3061 3062 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_tx_pwr_cmd));3063 if (!skb)3064 return -ENOMEM;3065 3066 cmd = (struct wmi_set_tx_pwr_cmd *) skb->data;3067 cmd->dbM = dbM;3068 3069 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_TX_PWR_CMDID,3070 NO_SYNC_WMIFLAG);3071 3072 return ret;3073}3074 3075int ath6kl_wmi_get_tx_pwr_cmd(struct wmi *wmi, u8 if_idx)3076{3077 return ath6kl_wmi_simple_cmd(wmi, if_idx, WMI_GET_TX_PWR_CMDID);3078}3079 3080int ath6kl_wmi_get_roam_tbl_cmd(struct wmi *wmi)3081{3082 return ath6kl_wmi_simple_cmd(wmi, 0, WMI_GET_ROAM_TBL_CMDID);3083}3084 3085int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 if_idx, u8 status,3086 u8 preamble_policy)3087{3088 struct sk_buff *skb;3089 struct wmi_set_lpreamble_cmd *cmd;3090 int ret;3091 3092 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_lpreamble_cmd));3093 if (!skb)3094 return -ENOMEM;3095 3096 cmd = (struct wmi_set_lpreamble_cmd *) skb->data;3097 cmd->status = status;3098 cmd->preamble_policy = preamble_policy;3099 3100 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_LPREAMBLE_CMDID,3101 NO_SYNC_WMIFLAG);3102 return ret;3103}3104 3105int ath6kl_wmi_set_rts_cmd(struct wmi *wmi, u16 threshold)3106{3107 struct sk_buff *skb;3108 struct wmi_set_rts_cmd *cmd;3109 int ret;3110 3111 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_rts_cmd));3112 if (!skb)3113 return -ENOMEM;3114 3115 cmd = (struct wmi_set_rts_cmd *) skb->data;3116 cmd->threshold = cpu_to_le16(threshold);3117 3118 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_RTS_CMDID,3119 NO_SYNC_WMIFLAG);3120 return ret;3121}3122 3123int ath6kl_wmi_set_wmm_txop(struct wmi *wmi, u8 if_idx, enum wmi_txop_cfg cfg)3124{3125 struct sk_buff *skb;3126 struct wmi_set_wmm_txop_cmd *cmd;3127 int ret;3128 3129 if (!((cfg == WMI_TXOP_DISABLED) || (cfg == WMI_TXOP_ENABLED)))3130 return -EINVAL;3131 3132 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_set_wmm_txop_cmd));3133 if (!skb)3134 return -ENOMEM;3135 3136 cmd = (struct wmi_set_wmm_txop_cmd *) skb->data;3137 cmd->txop_enable = cfg;3138 3139 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_WMM_TXOP_CMDID,3140 NO_SYNC_WMIFLAG);3141 return ret;3142}3143 3144int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 if_idx,3145 u8 keep_alive_intvl)3146{3147 struct sk_buff *skb;3148 struct wmi_set_keepalive_cmd *cmd;3149 int ret;3150 3151 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3152 if (!skb)3153 return -ENOMEM;3154 3155 cmd = (struct wmi_set_keepalive_cmd *) skb->data;3156 cmd->keep_alive_intvl = keep_alive_intvl;3157 3158 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_KEEPALIVE_CMDID,3159 NO_SYNC_WMIFLAG);3160 3161 if (ret == 0)3162 ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);3163 3164 return ret;3165}3166 3167int ath6kl_wmi_set_htcap_cmd(struct wmi *wmi, u8 if_idx,3168 enum nl80211_band band,3169 struct ath6kl_htcap *htcap)3170{3171 struct sk_buff *skb;3172 struct wmi_set_htcap_cmd *cmd;3173 3174 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3175 if (!skb)3176 return -ENOMEM;3177 3178 cmd = (struct wmi_set_htcap_cmd *) skb->data;3179 3180 /*3181 * NOTE: Band in firmware matches enum nl80211_band, it is unlikely3182 * this will be changed in firmware. If at all there is any change in3183 * band value, the host needs to be fixed.3184 */3185 cmd->band = band;3186 cmd->ht_enable = !!htcap->ht_enable;3187 cmd->ht20_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_20);3188 cmd->ht40_supported =3189 !!(htcap->cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40);3190 cmd->ht40_sgi = !!(htcap->cap_info & IEEE80211_HT_CAP_SGI_40);3191 cmd->intolerant_40mhz =3192 !!(htcap->cap_info & IEEE80211_HT_CAP_40MHZ_INTOLERANT);3193 cmd->max_ampdu_len_exp = htcap->ampdu_factor;3194 3195 ath6kl_dbg(ATH6KL_DBG_WMI,3196 "Set htcap: band:%d ht_enable:%d 40mhz:%d sgi_20mhz:%d sgi_40mhz:%d 40mhz_intolerant:%d ampdu_len_exp:%d\n",3197 cmd->band, cmd->ht_enable, cmd->ht40_supported,3198 cmd->ht20_sgi, cmd->ht40_sgi, cmd->intolerant_40mhz,3199 cmd->max_ampdu_len_exp);3200 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_HT_CAP_CMDID,3201 NO_SYNC_WMIFLAG);3202}3203 3204int ath6kl_wmi_test_cmd(struct wmi *wmi, void *buf, size_t len)3205{3206 struct sk_buff *skb;3207 int ret;3208 3209 skb = ath6kl_wmi_get_new_buf(len);3210 if (!skb)3211 return -ENOMEM;3212 3213 memcpy(skb->data, buf, len);3214 3215 ret = ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_TEST_CMDID, NO_SYNC_WMIFLAG);3216 3217 return ret;3218}3219 3220int ath6kl_wmi_mcast_filter_cmd(struct wmi *wmi, u8 if_idx, bool mc_all_on)3221{3222 struct sk_buff *skb;3223 struct wmi_mcast_filter_cmd *cmd;3224 int ret;3225 3226 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3227 if (!skb)3228 return -ENOMEM;3229 3230 cmd = (struct wmi_mcast_filter_cmd *) skb->data;3231 cmd->mcast_all_enable = mc_all_on;3232 3233 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_MCAST_FILTER_CMDID,3234 NO_SYNC_WMIFLAG);3235 return ret;3236}3237 3238int ath6kl_wmi_add_del_mcast_filter_cmd(struct wmi *wmi, u8 if_idx,3239 u8 *filter, bool add_filter)3240{3241 struct sk_buff *skb;3242 struct wmi_mcast_filter_add_del_cmd *cmd;3243 int ret;3244 3245 if ((filter[0] != 0x33 || filter[1] != 0x33) &&3246 (filter[0] != 0x01 || filter[1] != 0x00 ||3247 filter[2] != 0x5e || filter[3] > 0x7f)) {3248 ath6kl_warn("invalid multicast filter address\n");3249 return -EINVAL;3250 }3251 3252 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3253 if (!skb)3254 return -ENOMEM;3255 3256 cmd = (struct wmi_mcast_filter_add_del_cmd *) skb->data;3257 memcpy(cmd->mcast_mac, filter, ATH6KL_MCAST_FILTER_MAC_ADDR_SIZE);3258 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,3259 add_filter ? WMI_SET_MCAST_FILTER_CMDID :3260 WMI_DEL_MCAST_FILTER_CMDID,3261 NO_SYNC_WMIFLAG);3262 3263 return ret;3264}3265 3266int ath6kl_wmi_sta_bmiss_enhance_cmd(struct wmi *wmi, u8 if_idx, bool enhance)3267{3268 struct sk_buff *skb;3269 struct wmi_sta_bmiss_enhance_cmd *cmd;3270 int ret;3271 3272 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3273 if (!skb)3274 return -ENOMEM;3275 3276 cmd = (struct wmi_sta_bmiss_enhance_cmd *) skb->data;3277 cmd->enable = enhance ? 1 : 0;3278 3279 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb,3280 WMI_STA_BMISS_ENHANCE_CMDID,3281 NO_SYNC_WMIFLAG);3282 return ret;3283}3284 3285int ath6kl_wmi_set_regdomain_cmd(struct wmi *wmi, const char *alpha2)3286{3287 struct sk_buff *skb;3288 struct wmi_set_regdomain_cmd *cmd;3289 3290 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3291 if (!skb)3292 return -ENOMEM;3293 3294 cmd = (struct wmi_set_regdomain_cmd *) skb->data;3295 memcpy(cmd->iso_name, alpha2, 2);3296 3297 return ath6kl_wmi_cmd_send(wmi, 0, skb,3298 WMI_SET_REGDOMAIN_CMDID,3299 NO_SYNC_WMIFLAG);3300}3301 3302s32 ath6kl_wmi_get_rate(struct wmi *wmi, s8 rate_index)3303{3304 struct ath6kl *ar = wmi->parent_dev;3305 u8 sgi = 0;3306 s32 ret;3307 3308 if (rate_index == RATE_AUTO)3309 return 0;3310 3311 /* SGI is stored as the MSB of the rate_index */3312 if (rate_index & RATE_INDEX_MSB) {3313 rate_index &= RATE_INDEX_WITHOUT_SGI_MASK;3314 sgi = 1;3315 }3316 3317 if (test_bit(ATH6KL_FW_CAPABILITY_RATETABLE_MCS15,3318 ar->fw_capabilities)) {3319 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl_mcs15)))3320 return 0;3321 3322 ret = wmi_rate_tbl_mcs15[(u32) rate_index][sgi];3323 } else {3324 if (WARN_ON(rate_index >= ARRAY_SIZE(wmi_rate_tbl)))3325 return 0;3326 3327 ret = wmi_rate_tbl[(u32) rate_index][sgi];3328 }3329 3330 return ret;3331}3332 3333static int ath6kl_wmi_get_pmkid_list_event_rx(struct wmi *wmi, u8 *datap,3334 u32 len)3335{3336 struct wmi_pmkid_list_reply *reply;3337 u32 expected_len;3338 3339 if (len < sizeof(struct wmi_pmkid_list_reply))3340 return -EINVAL;3341 3342 reply = (struct wmi_pmkid_list_reply *)datap;3343 expected_len = sizeof(reply->num_pmkid) +3344 le32_to_cpu(reply->num_pmkid) * WMI_PMKID_LEN;3345 3346 if (len < expected_len)3347 return -EINVAL;3348 3349 return 0;3350}3351 3352static int ath6kl_wmi_addba_req_event_rx(struct wmi *wmi, u8 *datap, int len,3353 struct ath6kl_vif *vif)3354{3355 struct wmi_addba_req_event *cmd = (struct wmi_addba_req_event *) datap;3356 3357 aggr_recv_addba_req_evt(vif, cmd->tid,3358 le16_to_cpu(cmd->st_seq_no), cmd->win_sz);3359 3360 return 0;3361}3362 3363static int ath6kl_wmi_delba_req_event_rx(struct wmi *wmi, u8 *datap, int len,3364 struct ath6kl_vif *vif)3365{3366 struct wmi_delba_event *cmd = (struct wmi_delba_event *) datap;3367 3368 aggr_recv_delba_req_evt(vif, cmd->tid);3369 3370 return 0;3371}3372 3373/* AP mode functions */3374 3375int ath6kl_wmi_ap_profile_commit(struct wmi *wmip, u8 if_idx,3376 struct wmi_connect_cmd *p)3377{3378 struct sk_buff *skb;3379 struct wmi_connect_cmd *cm;3380 int res;3381 3382 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));3383 if (!skb)3384 return -ENOMEM;3385 3386 cm = (struct wmi_connect_cmd *) skb->data;3387 memcpy(cm, p, sizeof(*cm));3388 3389 res = ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_CONFIG_COMMIT_CMDID,3390 NO_SYNC_WMIFLAG);3391 ath6kl_dbg(ATH6KL_DBG_WMI,3392 "%s: nw_type=%u auth_mode=%u ch=%u ctrl_flags=0x%x-> res=%d\n",3393 __func__, p->nw_type, p->auth_mode, le16_to_cpu(p->ch),3394 le32_to_cpu(p->ctrl_flags), res);3395 return res;3396}3397 3398int ath6kl_wmi_ap_set_mlme(struct wmi *wmip, u8 if_idx, u8 cmd, const u8 *mac,3399 u16 reason)3400{3401 struct sk_buff *skb;3402 struct wmi_ap_set_mlme_cmd *cm;3403 3404 skb = ath6kl_wmi_get_new_buf(sizeof(*cm));3405 if (!skb)3406 return -ENOMEM;3407 3408 cm = (struct wmi_ap_set_mlme_cmd *) skb->data;3409 memcpy(cm->mac, mac, ETH_ALEN);3410 cm->reason = cpu_to_le16(reason);3411 cm->cmd = cmd;3412 3413 ath6kl_dbg(ATH6KL_DBG_WMI, "ap_set_mlme: cmd=%d reason=%d\n", cm->cmd,3414 cm->reason);3415 3416 return ath6kl_wmi_cmd_send(wmip, if_idx, skb, WMI_AP_SET_MLME_CMDID,3417 NO_SYNC_WMIFLAG);3418}3419 3420int ath6kl_wmi_ap_hidden_ssid(struct wmi *wmi, u8 if_idx, bool enable)3421{3422 struct sk_buff *skb;3423 struct wmi_ap_hidden_ssid_cmd *cmd;3424 3425 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3426 if (!skb)3427 return -ENOMEM;3428 3429 cmd = (struct wmi_ap_hidden_ssid_cmd *) skb->data;3430 cmd->hidden_ssid = enable ? 1 : 0;3431 3432 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_HIDDEN_SSID_CMDID,3433 NO_SYNC_WMIFLAG);3434}3435 3436/* This command will be used to enable/disable AP uAPSD feature */3437int ath6kl_wmi_ap_set_apsd(struct wmi *wmi, u8 if_idx, u8 enable)3438{3439 struct wmi_ap_set_apsd_cmd *cmd;3440 struct sk_buff *skb;3441 3442 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3443 if (!skb)3444 return -ENOMEM;3445 3446 cmd = (struct wmi_ap_set_apsd_cmd *)skb->data;3447 cmd->enable = enable;3448 3449 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_APSD_CMDID,3450 NO_SYNC_WMIFLAG);3451}3452 3453int ath6kl_wmi_set_apsd_bfrd_traf(struct wmi *wmi, u8 if_idx,3454 u16 aid, u16 bitmap, u32 flags)3455{3456 struct wmi_ap_apsd_buffered_traffic_cmd *cmd;3457 struct sk_buff *skb;3458 3459 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3460 if (!skb)3461 return -ENOMEM;3462 3463 cmd = (struct wmi_ap_apsd_buffered_traffic_cmd *)skb->data;3464 cmd->aid = cpu_to_le16(aid);3465 cmd->bitmap = cpu_to_le16(bitmap);3466 cmd->flags = cpu_to_le32(flags);3467 3468 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,3469 WMI_AP_APSD_BUFFERED_TRAFFIC_CMDID,3470 NO_SYNC_WMIFLAG);3471}3472 3473static int ath6kl_wmi_pspoll_event_rx(struct wmi *wmi, u8 *datap, int len,3474 struct ath6kl_vif *vif)3475{3476 struct wmi_pspoll_event *ev;3477 3478 if (len < sizeof(struct wmi_pspoll_event))3479 return -EINVAL;3480 3481 ev = (struct wmi_pspoll_event *) datap;3482 3483 ath6kl_pspoll_event(vif, le16_to_cpu(ev->aid));3484 3485 return 0;3486}3487 3488static int ath6kl_wmi_dtimexpiry_event_rx(struct wmi *wmi, u8 *datap, int len,3489 struct ath6kl_vif *vif)3490{3491 ath6kl_dtimexpiry_event(vif);3492 3493 return 0;3494}3495 3496int ath6kl_wmi_set_pvb_cmd(struct wmi *wmi, u8 if_idx, u16 aid,3497 bool flag)3498{3499 struct sk_buff *skb;3500 struct wmi_ap_set_pvb_cmd *cmd;3501 int ret;3502 3503 skb = ath6kl_wmi_get_new_buf(sizeof(struct wmi_ap_set_pvb_cmd));3504 if (!skb)3505 return -ENOMEM;3506 3507 cmd = (struct wmi_ap_set_pvb_cmd *) skb->data;3508 cmd->aid = cpu_to_le16(aid);3509 cmd->rsvd = cpu_to_le16(0);3510 cmd->flag = cpu_to_le32(flag);3511 3512 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_SET_PVB_CMDID,3513 NO_SYNC_WMIFLAG);3514 3515 return ret;3516}3517 3518int ath6kl_wmi_set_rx_frame_format_cmd(struct wmi *wmi, u8 if_idx,3519 u8 rx_meta_ver,3520 bool rx_dot11_hdr, bool defrag_on_host)3521{3522 struct sk_buff *skb;3523 struct wmi_rx_frame_format_cmd *cmd;3524 int ret;3525 3526 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3527 if (!skb)3528 return -ENOMEM;3529 3530 cmd = (struct wmi_rx_frame_format_cmd *) skb->data;3531 cmd->dot11_hdr = rx_dot11_hdr ? 1 : 0;3532 cmd->defrag_on_host = defrag_on_host ? 1 : 0;3533 cmd->meta_ver = rx_meta_ver;3534 3535 /* Delete the local aggr state, on host */3536 ret = ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_RX_FRAME_FORMAT_CMDID,3537 NO_SYNC_WMIFLAG);3538 3539 return ret;3540}3541 3542int ath6kl_wmi_set_appie_cmd(struct wmi *wmi, u8 if_idx, u8 mgmt_frm_type,3543 const u8 *ie, u8 ie_len)3544{3545 struct sk_buff *skb;3546 struct wmi_set_appie_cmd *p;3547 3548 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);3549 if (!skb)3550 return -ENOMEM;3551 3552 ath6kl_dbg(ATH6KL_DBG_WMI,3553 "set_appie_cmd: mgmt_frm_type=%u ie_len=%u\n",3554 mgmt_frm_type, ie_len);3555 p = (struct wmi_set_appie_cmd *) skb->data;3556 p->mgmt_frm_type = mgmt_frm_type;3557 p->ie_len = ie_len;3558 3559 if (ie != NULL && ie_len > 0)3560 memcpy(p->ie_info, ie, ie_len);3561 3562 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_APPIE_CMDID,3563 NO_SYNC_WMIFLAG);3564}3565 3566int ath6kl_wmi_set_ie_cmd(struct wmi *wmi, u8 if_idx, u8 ie_id, u8 ie_field,3567 const u8 *ie_info, u8 ie_len)3568{3569 struct sk_buff *skb;3570 struct wmi_set_ie_cmd *p;3571 3572 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + ie_len);3573 if (!skb)3574 return -ENOMEM;3575 3576 ath6kl_dbg(ATH6KL_DBG_WMI, "set_ie_cmd: ie_id=%u ie_ie_field=%u ie_len=%u\n",3577 ie_id, ie_field, ie_len);3578 p = (struct wmi_set_ie_cmd *) skb->data;3579 p->ie_id = ie_id;3580 p->ie_field = ie_field;3581 p->ie_len = ie_len;3582 if (ie_info && ie_len > 0)3583 memcpy(p->ie_info, ie_info, ie_len);3584 3585 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SET_IE_CMDID,3586 NO_SYNC_WMIFLAG);3587}3588 3589int ath6kl_wmi_disable_11b_rates_cmd(struct wmi *wmi, bool disable)3590{3591 struct sk_buff *skb;3592 struct wmi_disable_11b_rates_cmd *cmd;3593 3594 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3595 if (!skb)3596 return -ENOMEM;3597 3598 ath6kl_dbg(ATH6KL_DBG_WMI, "disable_11b_rates_cmd: disable=%u\n",3599 disable);3600 cmd = (struct wmi_disable_11b_rates_cmd *) skb->data;3601 cmd->disable = disable ? 1 : 0;3602 3603 return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_DISABLE_11B_RATES_CMDID,3604 NO_SYNC_WMIFLAG);3605}3606 3607int ath6kl_wmi_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx, u32 freq, u32 dur)3608{3609 struct sk_buff *skb;3610 struct wmi_remain_on_chnl_cmd *p;3611 3612 skb = ath6kl_wmi_get_new_buf(sizeof(*p));3613 if (!skb)3614 return -ENOMEM;3615 3616 ath6kl_dbg(ATH6KL_DBG_WMI, "remain_on_chnl_cmd: freq=%u dur=%u\n",3617 freq, dur);3618 p = (struct wmi_remain_on_chnl_cmd *) skb->data;3619 p->freq = cpu_to_le32(freq);3620 p->duration = cpu_to_le32(dur);3621 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_REMAIN_ON_CHNL_CMDID,3622 NO_SYNC_WMIFLAG);3623}3624 3625/* ath6kl_wmi_send_action_cmd is to be deprecated. Use3626 * ath6kl_wmi_send_mgmt_cmd instead. The new function supports P2P3627 * mgmt operations using station interface.3628 */3629static int ath6kl_wmi_send_action_cmd(struct wmi *wmi, u8 if_idx, u32 id,3630 u32 freq, u32 wait, const u8 *data,3631 u16 data_len)3632{3633 struct sk_buff *skb;3634 struct wmi_send_action_cmd *p;3635 u8 *buf;3636 3637 if (wait)3638 return -EINVAL; /* Offload for wait not supported */3639 3640 buf = kmemdup(data, data_len, GFP_KERNEL);3641 if (!buf)3642 return -ENOMEM;3643 3644 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);3645 if (!skb) {3646 kfree(buf);3647 return -ENOMEM;3648 }3649 3650 kfree(wmi->last_mgmt_tx_frame);3651 wmi->last_mgmt_tx_frame = buf;3652 wmi->last_mgmt_tx_frame_len = data_len;3653 3654 ath6kl_dbg(ATH6KL_DBG_WMI,3655 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",3656 id, freq, wait, data_len);3657 p = (struct wmi_send_action_cmd *) skb->data;3658 p->id = cpu_to_le32(id);3659 p->freq = cpu_to_le32(freq);3660 p->wait = cpu_to_le32(wait);3661 p->len = cpu_to_le16(data_len);3662 memcpy(p->data, data, data_len);3663 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_ACTION_CMDID,3664 NO_SYNC_WMIFLAG);3665}3666 3667static int __ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id,3668 u32 freq, u32 wait, const u8 *data,3669 u16 data_len, u32 no_cck)3670{3671 struct sk_buff *skb;3672 struct wmi_send_mgmt_cmd *p;3673 u8 *buf;3674 3675 if (wait)3676 return -EINVAL; /* Offload for wait not supported */3677 3678 buf = kmemdup(data, data_len, GFP_KERNEL);3679 if (!buf)3680 return -ENOMEM;3681 3682 skb = ath6kl_wmi_get_new_buf(sizeof(*p) + data_len);3683 if (!skb) {3684 kfree(buf);3685 return -ENOMEM;3686 }3687 3688 kfree(wmi->last_mgmt_tx_frame);3689 wmi->last_mgmt_tx_frame = buf;3690 wmi->last_mgmt_tx_frame_len = data_len;3691 3692 ath6kl_dbg(ATH6KL_DBG_WMI,3693 "send_action_cmd: id=%u freq=%u wait=%u len=%u\n",3694 id, freq, wait, data_len);3695 p = (struct wmi_send_mgmt_cmd *) skb->data;3696 p->id = cpu_to_le32(id);3697 p->freq = cpu_to_le32(freq);3698 p->wait = cpu_to_le32(wait);3699 p->no_cck = cpu_to_le32(no_cck);3700 p->len = cpu_to_le16(data_len);3701 memcpy(p->data, data, data_len);3702 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_SEND_MGMT_CMDID,3703 NO_SYNC_WMIFLAG);3704}3705 3706int ath6kl_wmi_send_mgmt_cmd(struct wmi *wmi, u8 if_idx, u32 id, u32 freq,3707 u32 wait, const u8 *data, u16 data_len,3708 u32 no_cck)3709{3710 int status;3711 struct ath6kl *ar = wmi->parent_dev;3712 3713 if (test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,3714 ar->fw_capabilities)) {3715 /*3716 * If capable of doing P2P mgmt operations using3717 * station interface, send additional information like3718 * supported rates to advertise and xmit rates for3719 * probe requests3720 */3721 status = __ath6kl_wmi_send_mgmt_cmd(ar->wmi, if_idx, id, freq,3722 wait, data, data_len,3723 no_cck);3724 } else {3725 status = ath6kl_wmi_send_action_cmd(ar->wmi, if_idx, id, freq,3726 wait, data, data_len);3727 }3728 3729 return status;3730}3731 3732int ath6kl_wmi_send_probe_response_cmd(struct wmi *wmi, u8 if_idx, u32 freq,3733 const u8 *dst, const u8 *data,3734 u16 data_len)3735{3736 struct sk_buff *skb;3737 struct wmi_p2p_probe_response_cmd *p;3738 size_t cmd_len = sizeof(*p) + data_len;3739 3740 if (data_len == 0)3741 cmd_len++; /* work around target minimum length requirement */3742 3743 skb = ath6kl_wmi_get_new_buf(cmd_len);3744 if (!skb)3745 return -ENOMEM;3746 3747 ath6kl_dbg(ATH6KL_DBG_WMI,3748 "send_probe_response_cmd: freq=%u dst=%pM len=%u\n",3749 freq, dst, data_len);3750 p = (struct wmi_p2p_probe_response_cmd *) skb->data;3751 p->freq = cpu_to_le32(freq);3752 memcpy(p->destination_addr, dst, ETH_ALEN);3753 p->len = cpu_to_le16(data_len);3754 memcpy(p->data, data, data_len);3755 return ath6kl_wmi_cmd_send(wmi, if_idx, skb,3756 WMI_SEND_PROBE_RESPONSE_CMDID,3757 NO_SYNC_WMIFLAG);3758}3759 3760int ath6kl_wmi_probe_report_req_cmd(struct wmi *wmi, u8 if_idx, bool enable)3761{3762 struct sk_buff *skb;3763 struct wmi_probe_req_report_cmd *p;3764 3765 skb = ath6kl_wmi_get_new_buf(sizeof(*p));3766 if (!skb)3767 return -ENOMEM;3768 3769 ath6kl_dbg(ATH6KL_DBG_WMI, "probe_report_req_cmd: enable=%u\n",3770 enable);3771 p = (struct wmi_probe_req_report_cmd *) skb->data;3772 p->enable = enable ? 1 : 0;3773 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_PROBE_REQ_REPORT_CMDID,3774 NO_SYNC_WMIFLAG);3775}3776 3777int ath6kl_wmi_info_req_cmd(struct wmi *wmi, u8 if_idx, u32 info_req_flags)3778{3779 struct sk_buff *skb;3780 struct wmi_get_p2p_info *p;3781 3782 skb = ath6kl_wmi_get_new_buf(sizeof(*p));3783 if (!skb)3784 return -ENOMEM;3785 3786 ath6kl_dbg(ATH6KL_DBG_WMI, "info_req_cmd: flags=%x\n",3787 info_req_flags);3788 p = (struct wmi_get_p2p_info *) skb->data;3789 p->info_req_flags = cpu_to_le32(info_req_flags);3790 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_GET_P2P_INFO_CMDID,3791 NO_SYNC_WMIFLAG);3792}3793 3794int ath6kl_wmi_cancel_remain_on_chnl_cmd(struct wmi *wmi, u8 if_idx)3795{3796 ath6kl_dbg(ATH6KL_DBG_WMI, "cancel_remain_on_chnl_cmd\n");3797 return ath6kl_wmi_simple_cmd(wmi, if_idx,3798 WMI_CANCEL_REMAIN_ON_CHNL_CMDID);3799}3800 3801int ath6kl_wmi_set_inact_period(struct wmi *wmi, u8 if_idx, int inact_timeout)3802{3803 struct sk_buff *skb;3804 struct wmi_set_inact_period_cmd *cmd;3805 3806 skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));3807 if (!skb)3808 return -ENOMEM;3809 3810 cmd = (struct wmi_set_inact_period_cmd *) skb->data;3811 cmd->inact_period = cpu_to_le32(inact_timeout);3812 cmd->num_null_func = 0;3813 3814 return ath6kl_wmi_cmd_send(wmi, if_idx, skb, WMI_AP_CONN_INACT_CMDID,3815 NO_SYNC_WMIFLAG);3816}3817 3818static void ath6kl_wmi_hb_challenge_resp_event(struct wmi *wmi, u8 *datap,3819 int len)3820{3821 struct wmix_hb_challenge_resp_cmd *cmd;3822 3823 if (len < sizeof(struct wmix_hb_challenge_resp_cmd))3824 return;3825 3826 cmd = (struct wmix_hb_challenge_resp_cmd *) datap;3827 ath6kl_recovery_hb_event(wmi->parent_dev,3828 le32_to_cpu(cmd->cookie));3829}3830 3831static int ath6kl_wmi_control_rx_xtnd(struct wmi *wmi, struct sk_buff *skb)3832{3833 struct wmix_cmd_hdr *cmd;3834 u32 len;3835 u16 id;3836 u8 *datap;3837 int ret = 0;3838 3839 if (skb->len < sizeof(struct wmix_cmd_hdr)) {3840 ath6kl_err("bad packet 1\n");3841 return -EINVAL;3842 }3843 3844 cmd = (struct wmix_cmd_hdr *) skb->data;3845 id = le32_to_cpu(cmd->cmd_id);3846 3847 skb_pull(skb, sizeof(struct wmix_cmd_hdr));3848 3849 datap = skb->data;3850 len = skb->len;3851 3852 switch (id) {3853 case WMIX_HB_CHALLENGE_RESP_EVENTID:3854 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event hb challenge resp\n");3855 ath6kl_wmi_hb_challenge_resp_event(wmi, datap, len);3856 break;3857 case WMIX_DBGLOG_EVENTID:3858 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi event dbglog len %d\n", len);3859 ath6kl_debug_fwlog_event(wmi->parent_dev, datap, len);3860 break;3861 default:3862 ath6kl_warn("unknown cmd id 0x%x\n", id);3863 ret = -EINVAL;3864 break;3865 }3866 3867 return ret;3868}3869 3870static int ath6kl_wmi_roam_tbl_event_rx(struct wmi *wmi, u8 *datap, int len)3871{3872 return ath6kl_debug_roam_tbl_event(wmi->parent_dev, datap, len);3873}3874 3875/* Process interface specific wmi events, caller would free the datap */3876static int ath6kl_wmi_proc_events_vif(struct wmi *wmi, u16 if_idx, u16 cmd_id,3877 u8 *datap, u32 len)3878{3879 struct ath6kl_vif *vif;3880 3881 vif = ath6kl_get_vif_by_index(wmi->parent_dev, if_idx);3882 if (!vif) {3883 ath6kl_dbg(ATH6KL_DBG_WMI,3884 "Wmi event for unavailable vif, vif_index:%d\n",3885 if_idx);3886 return -EINVAL;3887 }3888 3889 switch (cmd_id) {3890 case WMI_CONNECT_EVENTID:3891 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CONNECT_EVENTID\n");3892 return ath6kl_wmi_connect_event_rx(wmi, datap, len, vif);3893 case WMI_DISCONNECT_EVENTID:3894 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DISCONNECT_EVENTID\n");3895 return ath6kl_wmi_disconnect_event_rx(wmi, datap, len, vif);3896 case WMI_TKIP_MICERR_EVENTID:3897 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TKIP_MICERR_EVENTID\n");3898 return ath6kl_wmi_tkip_micerr_event_rx(wmi, datap, len, vif);3899 case WMI_BSSINFO_EVENTID:3900 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_BSSINFO_EVENTID\n");3901 return ath6kl_wmi_bssinfo_event_rx(wmi, datap, len, vif);3902 case WMI_NEIGHBOR_REPORT_EVENTID:3903 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_NEIGHBOR_REPORT_EVENTID\n");3904 return ath6kl_wmi_neighbor_report_event_rx(wmi, datap, len,3905 vif);3906 case WMI_SCAN_COMPLETE_EVENTID:3907 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SCAN_COMPLETE_EVENTID\n");3908 return ath6kl_wmi_scan_complete_rx(wmi, datap, len, vif);3909 case WMI_REPORT_STATISTICS_EVENTID:3910 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_STATISTICS_EVENTID\n");3911 return ath6kl_wmi_stats_event_rx(wmi, datap, len, vif);3912 case WMI_CAC_EVENTID:3913 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CAC_EVENTID\n");3914 return ath6kl_wmi_cac_event_rx(wmi, datap, len, vif);3915 case WMI_PSPOLL_EVENTID:3916 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSPOLL_EVENTID\n");3917 return ath6kl_wmi_pspoll_event_rx(wmi, datap, len, vif);3918 case WMI_DTIMEXPIRY_EVENTID:3919 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DTIMEXPIRY_EVENTID\n");3920 return ath6kl_wmi_dtimexpiry_event_rx(wmi, datap, len, vif);3921 case WMI_ADDBA_REQ_EVENTID:3922 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_REQ_EVENTID\n");3923 return ath6kl_wmi_addba_req_event_rx(wmi, datap, len, vif);3924 case WMI_DELBA_REQ_EVENTID:3925 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_DELBA_REQ_EVENTID\n");3926 return ath6kl_wmi_delba_req_event_rx(wmi, datap, len, vif);3927 case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:3928 ath6kl_dbg(ATH6KL_DBG_WMI,3929 "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");3930 return ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);3931 case WMI_REMAIN_ON_CHNL_EVENTID:3932 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");3933 return ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);3934 case WMI_CANCEL_REMAIN_ON_CHNL_EVENTID:3935 ath6kl_dbg(ATH6KL_DBG_WMI,3936 "WMI_CANCEL_REMAIN_ON_CHNL_EVENTID\n");3937 return ath6kl_wmi_cancel_remain_on_chnl_event_rx(wmi, datap,3938 len, vif);3939 case WMI_TX_STATUS_EVENTID:3940 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_STATUS_EVENTID\n");3941 return ath6kl_wmi_tx_status_event_rx(wmi, datap, len, vif);3942 case WMI_RX_PROBE_REQ_EVENTID:3943 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_PROBE_REQ_EVENTID\n");3944 return ath6kl_wmi_rx_probe_req_event_rx(wmi, datap, len, vif);3945 case WMI_RX_ACTION_EVENTID:3946 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RX_ACTION_EVENTID\n");3947 return ath6kl_wmi_rx_action_event_rx(wmi, datap, len, vif);3948 case WMI_TXE_NOTIFY_EVENTID:3949 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TXE_NOTIFY_EVENTID\n");3950 return ath6kl_wmi_txe_notify_event_rx(wmi, datap, len, vif);3951 default:3952 ath6kl_dbg(ATH6KL_DBG_WMI, "unknown cmd id 0x%x\n", cmd_id);3953 return -EINVAL;3954 }3955 3956 return 0;3957}3958 3959static int ath6kl_wmi_proc_events(struct wmi *wmi, struct sk_buff *skb)3960{3961 struct wmi_cmd_hdr *cmd;3962 int ret = 0;3963 u32 len;3964 u16 id;3965 u8 if_idx;3966 u8 *datap;3967 3968 cmd = (struct wmi_cmd_hdr *) skb->data;3969 id = le16_to_cpu(cmd->cmd_id);3970 if_idx = le16_to_cpu(cmd->info1) & WMI_CMD_HDR_IF_ID_MASK;3971 3972 skb_pull(skb, sizeof(struct wmi_cmd_hdr));3973 datap = skb->data;3974 len = skb->len;3975 3976 ath6kl_dbg(ATH6KL_DBG_WMI, "wmi rx id %d len %d\n", id, len);3977 ath6kl_dbg_dump(ATH6KL_DBG_WMI_DUMP, NULL, "wmi rx ",3978 datap, len);3979 3980 switch (id) {3981 case WMI_GET_BITRATE_CMDID:3982 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_BITRATE_CMDID\n");3983 ret = ath6kl_wmi_bitrate_reply_rx(wmi, datap, len);3984 break;3985 case WMI_GET_CHANNEL_LIST_CMDID:3986 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_CHANNEL_LIST_CMDID\n");3987 ret = ath6kl_wmi_ch_list_reply_rx(wmi, datap, len);3988 break;3989 case WMI_GET_TX_PWR_CMDID:3990 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_TX_PWR_CMDID\n");3991 ret = ath6kl_wmi_tx_pwr_reply_rx(wmi, datap, len);3992 break;3993 case WMI_READY_EVENTID:3994 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_READY_EVENTID\n");3995 ret = ath6kl_wmi_ready_event_rx(wmi, datap, len);3996 break;3997 case WMI_PEER_NODE_EVENTID:3998 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PEER_NODE_EVENTID\n");3999 ret = ath6kl_wmi_peer_node_event_rx(wmi, datap, len);4000 break;4001 case WMI_REGDOMAIN_EVENTID:4002 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REGDOMAIN_EVENTID\n");4003 ath6kl_wmi_regdomain_event(wmi, datap, len);4004 break;4005 case WMI_PSTREAM_TIMEOUT_EVENTID:4006 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_PSTREAM_TIMEOUT_EVENTID\n");4007 ret = ath6kl_wmi_pstream_timeout_event_rx(wmi, datap, len);4008 break;4009 case WMI_CMDERROR_EVENTID:4010 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CMDERROR_EVENTID\n");4011 ret = ath6kl_wmi_error_event_rx(wmi, datap, len);4012 break;4013 case WMI_RSSI_THRESHOLD_EVENTID:4014 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_RSSI_THRESHOLD_EVENTID\n");4015 ret = ath6kl_wmi_rssi_threshold_event_rx(wmi, datap, len);4016 break;4017 case WMI_ERROR_REPORT_EVENTID:4018 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ERROR_REPORT_EVENTID\n");4019 break;4020 case WMI_OPT_RX_FRAME_EVENTID:4021 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_OPT_RX_FRAME_EVENTID\n");4022 /* this event has been deprecated */4023 break;4024 case WMI_REPORT_ROAM_TBL_EVENTID:4025 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_TBL_EVENTID\n");4026 ret = ath6kl_wmi_roam_tbl_event_rx(wmi, datap, len);4027 break;4028 case WMI_EXTENSION_EVENTID:4029 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_EXTENSION_EVENTID\n");4030 ret = ath6kl_wmi_control_rx_xtnd(wmi, skb);4031 break;4032 case WMI_CHANNEL_CHANGE_EVENTID:4033 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_CHANNEL_CHANGE_EVENTID\n");4034 break;4035 case WMI_REPORT_ROAM_DATA_EVENTID:4036 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REPORT_ROAM_DATA_EVENTID\n");4037 break;4038 case WMI_TEST_EVENTID:4039 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TEST_EVENTID\n");4040 ret = ath6kl_wmi_test_rx(wmi, datap, len);4041 break;4042 case WMI_GET_FIXRATES_CMDID:4043 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_FIXRATES_CMDID\n");4044 ret = ath6kl_wmi_ratemask_reply_rx(wmi, datap, len);4045 break;4046 case WMI_TX_RETRY_ERR_EVENTID:4047 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_RETRY_ERR_EVENTID\n");4048 break;4049 case WMI_SNR_THRESHOLD_EVENTID:4050 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SNR_THRESHOLD_EVENTID\n");4051 ret = ath6kl_wmi_snr_threshold_event_rx(wmi, datap, len);4052 break;4053 case WMI_LQ_THRESHOLD_EVENTID:4054 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_LQ_THRESHOLD_EVENTID\n");4055 break;4056 case WMI_APLIST_EVENTID:4057 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_APLIST_EVENTID\n");4058 ret = ath6kl_wmi_aplist_event_rx(wmi, datap, len);4059 break;4060 case WMI_GET_KEEPALIVE_CMDID:4061 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_KEEPALIVE_CMDID\n");4062 ret = ath6kl_wmi_keepalive_reply_rx(wmi, datap, len);4063 break;4064 case WMI_GET_WOW_LIST_EVENTID:4065 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_WOW_LIST_EVENTID\n");4066 break;4067 case WMI_GET_PMKID_LIST_EVENTID:4068 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_GET_PMKID_LIST_EVENTID\n");4069 ret = ath6kl_wmi_get_pmkid_list_event_rx(wmi, datap, len);4070 break;4071 case WMI_SET_PARAMS_REPLY_EVENTID:4072 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_SET_PARAMS_REPLY_EVENTID\n");4073 break;4074 case WMI_ADDBA_RESP_EVENTID:4075 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_ADDBA_RESP_EVENTID\n");4076 break;4077 case WMI_REPORT_BTCOEX_CONFIG_EVENTID:4078 ath6kl_dbg(ATH6KL_DBG_WMI,4079 "WMI_REPORT_BTCOEX_CONFIG_EVENTID\n");4080 break;4081 case WMI_REPORT_BTCOEX_STATS_EVENTID:4082 ath6kl_dbg(ATH6KL_DBG_WMI,4083 "WMI_REPORT_BTCOEX_STATS_EVENTID\n");4084 break;4085 case WMI_TX_COMPLETE_EVENTID:4086 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");4087 ret = ath6kl_wmi_tx_complete_event_rx(datap, len);4088 break;4089 case WMI_P2P_CAPABILITIES_EVENTID:4090 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_CAPABILITIES_EVENTID\n");4091 ret = ath6kl_wmi_p2p_capabilities_event_rx(datap, len);4092 break;4093 case WMI_P2P_INFO_EVENTID:4094 ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_P2P_INFO_EVENTID\n");4095 ret = ath6kl_wmi_p2p_info_event_rx(datap, len);4096 break;4097 default:4098 /* may be the event is interface specific */4099 ret = ath6kl_wmi_proc_events_vif(wmi, if_idx, id, datap, len);4100 break;4101 }4102 4103 dev_kfree_skb(skb);4104 return ret;4105}4106 4107/* Control Path */4108int ath6kl_wmi_control_rx(struct wmi *wmi, struct sk_buff *skb)4109{4110 if (WARN_ON(skb == NULL))4111 return -EINVAL;4112 4113 if (skb->len < sizeof(struct wmi_cmd_hdr)) {4114 ath6kl_err("bad packet 1\n");4115 dev_kfree_skb(skb);4116 return -EINVAL;4117 }4118 4119 trace_ath6kl_wmi_event(skb->data, skb->len);4120 4121 return ath6kl_wmi_proc_events(wmi, skb);4122}4123 4124void ath6kl_wmi_reset(struct wmi *wmi)4125{4126 spin_lock_bh(&wmi->lock);4127 4128 wmi->fat_pipe_exist = 0;4129 memset(wmi->stream_exist_for_ac, 0, sizeof(wmi->stream_exist_for_ac));4130 4131 spin_unlock_bh(&wmi->lock);4132}4133 4134void *ath6kl_wmi_init(struct ath6kl *dev)4135{4136 struct wmi *wmi;4137 4138 wmi = kzalloc(sizeof(struct wmi), GFP_KERNEL);4139 if (!wmi)4140 return NULL;4141 4142 spin_lock_init(&wmi->lock);4143 4144 wmi->parent_dev = dev;4145 4146 wmi->pwr_mode = REC_POWER;4147 4148 ath6kl_wmi_reset(wmi);4149 4150 return wmi;4151}4152 4153void ath6kl_wmi_shutdown(struct wmi *wmi)4154{4155 if (!wmi)4156 return;4157 4158 kfree(wmi->last_mgmt_tx_frame);4159 kfree(wmi);4160}4161