18e84c258SEugene Krasnikov /* 28e84c258SEugene Krasnikov * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> 38e84c258SEugene Krasnikov * 48e84c258SEugene Krasnikov * Permission to use, copy, modify, and/or distribute this software for any 58e84c258SEugene Krasnikov * purpose with or without fee is hereby granted, provided that the above 68e84c258SEugene Krasnikov * copyright notice and this permission notice appear in all copies. 78e84c258SEugene Krasnikov * 88e84c258SEugene Krasnikov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98e84c258SEugene Krasnikov * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 108e84c258SEugene Krasnikov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 118e84c258SEugene Krasnikov * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 128e84c258SEugene Krasnikov * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 138e84c258SEugene Krasnikov * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 148e84c258SEugene Krasnikov * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 158e84c258SEugene Krasnikov */ 168e84c258SEugene Krasnikov 178e84c258SEugene Krasnikov #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 188e84c258SEugene Krasnikov 198e84c258SEugene Krasnikov #include "txrx.h" 208e84c258SEugene Krasnikov 218e84c258SEugene Krasnikov static inline int get_rssi0(struct wcn36xx_rx_bd *bd) 228e84c258SEugene Krasnikov { 238e84c258SEugene Krasnikov return 100 - ((bd->phy_stat0 >> 24) & 0xff); 248e84c258SEugene Krasnikov } 258e84c258SEugene Krasnikov 268e84c258SEugene Krasnikov int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb) 278e84c258SEugene Krasnikov { 288e84c258SEugene Krasnikov struct ieee80211_rx_status status; 298e84c258SEugene Krasnikov struct ieee80211_hdr *hdr; 308e84c258SEugene Krasnikov struct wcn36xx_rx_bd *bd; 318e84c258SEugene Krasnikov u16 fc, sn; 328e84c258SEugene Krasnikov 338e84c258SEugene Krasnikov /* 348e84c258SEugene Krasnikov * All fields must be 0, otherwise it can lead to 358e84c258SEugene Krasnikov * unexpected consequences. 368e84c258SEugene Krasnikov */ 378e84c258SEugene Krasnikov memset(&status, 0, sizeof(status)); 388e84c258SEugene Krasnikov 398e84c258SEugene Krasnikov bd = (struct wcn36xx_rx_bd *)skb->data; 408e84c258SEugene Krasnikov buff_to_be((u32 *)bd, sizeof(*bd)/sizeof(u32)); 418e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_RX_DUMP, 428e84c258SEugene Krasnikov "BD <<< ", (char *)bd, 438e84c258SEugene Krasnikov sizeof(struct wcn36xx_rx_bd)); 448e84c258SEugene Krasnikov 458e84c258SEugene Krasnikov skb_put(skb, bd->pdu.mpdu_header_off + bd->pdu.mpdu_len); 468e84c258SEugene Krasnikov skb_pull(skb, bd->pdu.mpdu_header_off); 478e84c258SEugene Krasnikov 48*88603903SBjorn Andersson hdr = (struct ieee80211_hdr *) skb->data; 49*88603903SBjorn Andersson fc = __le16_to_cpu(hdr->frame_control); 50*88603903SBjorn Andersson sn = IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl)); 51*88603903SBjorn Andersson 52*88603903SBjorn Andersson /* When scanning associate beacons to this */ 53*88603903SBjorn Andersson if (ieee80211_is_beacon(hdr->frame_control) && wcn->scan_freq) { 54*88603903SBjorn Andersson status.freq = wcn->scan_freq; 55*88603903SBjorn Andersson status.band = wcn->scan_band; 56*88603903SBjorn Andersson } else { 578e84c258SEugene Krasnikov status.freq = WCN36XX_CENTER_FREQ(wcn); 588e84c258SEugene Krasnikov status.band = WCN36XX_BAND(wcn); 59*88603903SBjorn Andersson } 60*88603903SBjorn Andersson 61*88603903SBjorn Andersson status.mactime = 10; 628e84c258SEugene Krasnikov status.signal = -get_rssi0(bd); 638e84c258SEugene Krasnikov status.antenna = 1; 648e84c258SEugene Krasnikov status.rate_idx = 1; 658e84c258SEugene Krasnikov status.flag = 0; 668e84c258SEugene Krasnikov status.rx_flags = 0; 678e84c258SEugene Krasnikov status.flag |= RX_FLAG_IV_STRIPPED | 688e84c258SEugene Krasnikov RX_FLAG_MMIC_STRIPPED | 698e84c258SEugene Krasnikov RX_FLAG_DECRYPTED; 708e84c258SEugene Krasnikov 71f980ebc0SSara Sharon wcn36xx_dbg(WCN36XX_DBG_RX, "status.flags=%llx\n", status.flag); 728e84c258SEugene Krasnikov 738e84c258SEugene Krasnikov memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 748e84c258SEugene Krasnikov 758e84c258SEugene Krasnikov if (ieee80211_is_beacon(hdr->frame_control)) { 768e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_BEACON, "beacon skb %p len %d fc %04x sn %d\n", 778e84c258SEugene Krasnikov skb, skb->len, fc, sn); 788e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_BEACON_DUMP, "SKB <<< ", 798e84c258SEugene Krasnikov (char *)skb->data, skb->len); 808e84c258SEugene Krasnikov } else { 818e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_RX, "rx skb %p len %d fc %04x sn %d\n", 828e84c258SEugene Krasnikov skb, skb->len, fc, sn); 838e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_RX_DUMP, "SKB <<< ", 848e84c258SEugene Krasnikov (char *)skb->data, skb->len); 858e84c258SEugene Krasnikov } 868e84c258SEugene Krasnikov 878e84c258SEugene Krasnikov ieee80211_rx_irqsafe(wcn->hw, skb); 888e84c258SEugene Krasnikov 898e84c258SEugene Krasnikov return 0; 908e84c258SEugene Krasnikov } 918e84c258SEugene Krasnikov 928e84c258SEugene Krasnikov static void wcn36xx_set_tx_pdu(struct wcn36xx_tx_bd *bd, 938e84c258SEugene Krasnikov u32 mpdu_header_len, 948e84c258SEugene Krasnikov u32 len, 958e84c258SEugene Krasnikov u16 tid) 968e84c258SEugene Krasnikov { 978e84c258SEugene Krasnikov bd->pdu.mpdu_header_len = mpdu_header_len; 988e84c258SEugene Krasnikov bd->pdu.mpdu_header_off = sizeof(*bd); 998e84c258SEugene Krasnikov bd->pdu.mpdu_data_off = bd->pdu.mpdu_header_len + 1008e84c258SEugene Krasnikov bd->pdu.mpdu_header_off; 1018e84c258SEugene Krasnikov bd->pdu.mpdu_len = len; 1028e84c258SEugene Krasnikov bd->pdu.tid = tid; 103232ddcd8SBob Copeland bd->pdu.bd_ssn = WCN36XX_TXBD_SSN_FILL_DPU_QOS; 1048e84c258SEugene Krasnikov } 1058e84c258SEugene Krasnikov 1068e84c258SEugene Krasnikov static inline struct wcn36xx_vif *get_vif_by_addr(struct wcn36xx *wcn, 1078e84c258SEugene Krasnikov u8 *addr) 1088e84c258SEugene Krasnikov { 1098e84c258SEugene Krasnikov struct wcn36xx_vif *vif_priv = NULL; 1108e84c258SEugene Krasnikov struct ieee80211_vif *vif = NULL; 1118e84c258SEugene Krasnikov list_for_each_entry(vif_priv, &wcn->vif_list, list) { 112ce75877fSPontus Fuchs vif = wcn36xx_priv_to_vif(vif_priv); 1138e84c258SEugene Krasnikov if (memcmp(vif->addr, addr, ETH_ALEN) == 0) 1148e84c258SEugene Krasnikov return vif_priv; 1158e84c258SEugene Krasnikov } 1168e84c258SEugene Krasnikov wcn36xx_warn("vif %pM not found\n", addr); 1178e84c258SEugene Krasnikov return NULL; 1188e84c258SEugene Krasnikov } 119e26dc173SBob Copeland 120e26dc173SBob Copeland static void wcn36xx_tx_start_ampdu(struct wcn36xx *wcn, 121e26dc173SBob Copeland struct wcn36xx_sta *sta_priv, 122e26dc173SBob Copeland struct sk_buff *skb) 123e26dc173SBob Copeland { 124e26dc173SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 125e26dc173SBob Copeland struct ieee80211_sta *sta; 126e26dc173SBob Copeland u8 *qc, tid; 127e26dc173SBob Copeland 128e26dc173SBob Copeland if (!conf_is_ht(&wcn->hw->conf)) 129e26dc173SBob Copeland return; 130e26dc173SBob Copeland 131e26dc173SBob Copeland sta = wcn36xx_priv_to_sta(sta_priv); 132e26dc173SBob Copeland 133e26dc173SBob Copeland if (WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) 134e26dc173SBob Copeland return; 135e26dc173SBob Copeland 136e26dc173SBob Copeland if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO) 137e26dc173SBob Copeland return; 138e26dc173SBob Copeland 139e26dc173SBob Copeland qc = ieee80211_get_qos_ctl(hdr); 140e26dc173SBob Copeland tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 141e26dc173SBob Copeland 142e26dc173SBob Copeland spin_lock(&sta_priv->ampdu_lock); 143e26dc173SBob Copeland if (sta_priv->ampdu_state[tid] != WCN36XX_AMPDU_NONE) 144e26dc173SBob Copeland goto out_unlock; 145e26dc173SBob Copeland 146e26dc173SBob Copeland if (sta_priv->non_agg_frame_ct++ >= WCN36XX_AMPDU_START_THRESH) { 147e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; 148e26dc173SBob Copeland sta_priv->non_agg_frame_ct = 0; 149e26dc173SBob Copeland ieee80211_start_tx_ba_session(sta, tid, 0); 150e26dc173SBob Copeland } 151e26dc173SBob Copeland out_unlock: 152e26dc173SBob Copeland spin_unlock(&sta_priv->ampdu_lock); 153e26dc173SBob Copeland } 154e26dc173SBob Copeland 1558e84c258SEugene Krasnikov static void wcn36xx_set_tx_data(struct wcn36xx_tx_bd *bd, 1568e84c258SEugene Krasnikov struct wcn36xx *wcn, 1578e84c258SEugene Krasnikov struct wcn36xx_vif **vif_priv, 1588e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv, 1595f3f9285SBob Copeland struct sk_buff *skb, 1608e84c258SEugene Krasnikov bool bcast) 1618e84c258SEugene Krasnikov { 1625f3f9285SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 1638e84c258SEugene Krasnikov struct ieee80211_vif *vif = NULL; 1648e84c258SEugene Krasnikov struct wcn36xx_vif *__vif_priv = NULL; 165e26dc173SBob Copeland bool is_data_qos; 166e26dc173SBob Copeland 1678e84c258SEugene Krasnikov bd->bd_rate = WCN36XX_BD_RATE_DATA; 1688e84c258SEugene Krasnikov 1698e84c258SEugene Krasnikov /* 1708e84c258SEugene Krasnikov * For not unicast frames mac80211 will not set sta pointer so use 1718e84c258SEugene Krasnikov * self_sta_index instead. 1728e84c258SEugene Krasnikov */ 1738e84c258SEugene Krasnikov if (sta_priv) { 1748e84c258SEugene Krasnikov __vif_priv = sta_priv->vif; 175ce75877fSPontus Fuchs vif = wcn36xx_priv_to_vif(__vif_priv); 1768e84c258SEugene Krasnikov 17782cad2a0SPontus Fuchs bd->dpu_sign = sta_priv->ucast_dpu_sign; 1788e84c258SEugene Krasnikov if (vif->type == NL80211_IFTYPE_STATION) { 1798e84c258SEugene Krasnikov bd->sta_index = sta_priv->bss_sta_index; 1808e84c258SEugene Krasnikov bd->dpu_desc_idx = sta_priv->bss_dpu_desc_index; 1818e84c258SEugene Krasnikov } else if (vif->type == NL80211_IFTYPE_AP || 1828e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_ADHOC || 1838e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_MESH_POINT) { 1848e84c258SEugene Krasnikov bd->sta_index = sta_priv->sta_index; 1858e84c258SEugene Krasnikov bd->dpu_desc_idx = sta_priv->dpu_desc_index; 1868e84c258SEugene Krasnikov } 1878e84c258SEugene Krasnikov } else { 1888e84c258SEugene Krasnikov __vif_priv = get_vif_by_addr(wcn, hdr->addr2); 1898e84c258SEugene Krasnikov bd->sta_index = __vif_priv->self_sta_index; 1908e84c258SEugene Krasnikov bd->dpu_desc_idx = __vif_priv->self_dpu_desc_index; 1912ba0b461SPontus Fuchs bd->dpu_sign = __vif_priv->self_ucast_dpu_sign; 19282cad2a0SPontus Fuchs } 1938e84c258SEugene Krasnikov 1948e84c258SEugene Krasnikov if (ieee80211_is_nullfunc(hdr->frame_control) || 1958e84c258SEugene Krasnikov (sta_priv && !sta_priv->is_data_encrypted)) 1968e84c258SEugene Krasnikov bd->dpu_ne = 1; 1978e84c258SEugene Krasnikov 1988e84c258SEugene Krasnikov if (bcast) { 1998e84c258SEugene Krasnikov bd->ub = 1; 2008e84c258SEugene Krasnikov bd->ack_policy = 1; 2018e84c258SEugene Krasnikov } 2028e84c258SEugene Krasnikov *vif_priv = __vif_priv; 2035f3f9285SBob Copeland 204e26dc173SBob Copeland is_data_qos = ieee80211_is_data_qos(hdr->frame_control); 205e26dc173SBob Copeland 2065f3f9285SBob Copeland wcn36xx_set_tx_pdu(bd, 207e26dc173SBob Copeland is_data_qos ? 2085f3f9285SBob Copeland sizeof(struct ieee80211_qos_hdr) : 2095f3f9285SBob Copeland sizeof(struct ieee80211_hdr_3addr), 2105f3f9285SBob Copeland skb->len, sta_priv ? sta_priv->tid : 0); 211e26dc173SBob Copeland 212e26dc173SBob Copeland if (sta_priv && is_data_qos) 213e26dc173SBob Copeland wcn36xx_tx_start_ampdu(wcn, sta_priv, skb); 2148e84c258SEugene Krasnikov } 2158e84c258SEugene Krasnikov 2168e84c258SEugene Krasnikov static void wcn36xx_set_tx_mgmt(struct wcn36xx_tx_bd *bd, 2178e84c258SEugene Krasnikov struct wcn36xx *wcn, 2188e84c258SEugene Krasnikov struct wcn36xx_vif **vif_priv, 2195f3f9285SBob Copeland struct sk_buff *skb, 2208e84c258SEugene Krasnikov bool bcast) 2218e84c258SEugene Krasnikov { 2225f3f9285SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 2238e84c258SEugene Krasnikov struct wcn36xx_vif *__vif_priv = 2248e84c258SEugene Krasnikov get_vif_by_addr(wcn, hdr->addr2); 2258e84c258SEugene Krasnikov bd->sta_index = __vif_priv->self_sta_index; 2268e84c258SEugene Krasnikov bd->dpu_desc_idx = __vif_priv->self_dpu_desc_index; 2278e84c258SEugene Krasnikov bd->dpu_ne = 1; 2288e84c258SEugene Krasnikov 2298e84c258SEugene Krasnikov /* default rate for unicast */ 2308e84c258SEugene Krasnikov if (ieee80211_is_mgmt(hdr->frame_control)) 23157fbcce3SJohannes Berg bd->bd_rate = (WCN36XX_BAND(wcn) == NL80211_BAND_5GHZ) ? 2328e84c258SEugene Krasnikov WCN36XX_BD_RATE_CTRL : 2338e84c258SEugene Krasnikov WCN36XX_BD_RATE_MGMT; 2348e84c258SEugene Krasnikov else if (ieee80211_is_ctl(hdr->frame_control)) 2358e84c258SEugene Krasnikov bd->bd_rate = WCN36XX_BD_RATE_CTRL; 2368e84c258SEugene Krasnikov else 2378e84c258SEugene Krasnikov wcn36xx_warn("frame control type unknown\n"); 2388e84c258SEugene Krasnikov 2398e84c258SEugene Krasnikov /* 2408e84c258SEugene Krasnikov * In joining state trick hardware that probe is sent as 2418e84c258SEugene Krasnikov * unicast even if address is broadcast. 2428e84c258SEugene Krasnikov */ 2438e84c258SEugene Krasnikov if (__vif_priv->is_joining && 2448e84c258SEugene Krasnikov ieee80211_is_probe_req(hdr->frame_control)) 2458e84c258SEugene Krasnikov bcast = false; 2468e84c258SEugene Krasnikov 2478e84c258SEugene Krasnikov if (bcast) { 2488e84c258SEugene Krasnikov /* broadcast */ 2498e84c258SEugene Krasnikov bd->ub = 1; 2508e84c258SEugene Krasnikov /* No ack needed not unicast */ 2518e84c258SEugene Krasnikov bd->ack_policy = 1; 2528e84c258SEugene Krasnikov bd->queue_id = WCN36XX_TX_B_WQ_ID; 2538e84c258SEugene Krasnikov } else 2548e84c258SEugene Krasnikov bd->queue_id = WCN36XX_TX_U_WQ_ID; 2558e84c258SEugene Krasnikov *vif_priv = __vif_priv; 2565f3f9285SBob Copeland 2575f3f9285SBob Copeland wcn36xx_set_tx_pdu(bd, 2585f3f9285SBob Copeland ieee80211_is_data_qos(hdr->frame_control) ? 2595f3f9285SBob Copeland sizeof(struct ieee80211_qos_hdr) : 2605f3f9285SBob Copeland sizeof(struct ieee80211_hdr_3addr), 2615f3f9285SBob Copeland skb->len, WCN36XX_TID); 2628e84c258SEugene Krasnikov } 2638e84c258SEugene Krasnikov 2648e84c258SEugene Krasnikov int wcn36xx_start_tx(struct wcn36xx *wcn, 2658e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv, 2668e84c258SEugene Krasnikov struct sk_buff *skb) 2678e84c258SEugene Krasnikov { 2688e84c258SEugene Krasnikov struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 2698e84c258SEugene Krasnikov struct wcn36xx_vif *vif_priv = NULL; 2708e84c258SEugene Krasnikov struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 2718e84c258SEugene Krasnikov unsigned long flags; 2728e84c258SEugene Krasnikov bool is_low = ieee80211_is_data(hdr->frame_control); 2738e84c258SEugene Krasnikov bool bcast = is_broadcast_ether_addr(hdr->addr1) || 2748e84c258SEugene Krasnikov is_multicast_ether_addr(hdr->addr1); 2758e84c258SEugene Krasnikov struct wcn36xx_tx_bd *bd = wcn36xx_dxe_get_next_bd(wcn, is_low); 2768e84c258SEugene Krasnikov 2778e84c258SEugene Krasnikov if (!bd) { 2788e84c258SEugene Krasnikov /* 2798e84c258SEugene Krasnikov * TX DXE are used in pairs. One for the BD and one for the 2808e84c258SEugene Krasnikov * actual frame. The BD DXE's has a preallocated buffer while 2818e84c258SEugene Krasnikov * the skb ones does not. If this isn't true something is really 2828e84c258SEugene Krasnikov * wierd. TODO: Recover from this situation 2838e84c258SEugene Krasnikov */ 2848e84c258SEugene Krasnikov 2858e84c258SEugene Krasnikov wcn36xx_err("bd address may not be NULL for BD DXE\n"); 2868e84c258SEugene Krasnikov return -EINVAL; 2878e84c258SEugene Krasnikov } 2888e84c258SEugene Krasnikov 2898e84c258SEugene Krasnikov memset(bd, 0, sizeof(*bd)); 2908e84c258SEugene Krasnikov 2918e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_TX, 2928e84c258SEugene Krasnikov "tx skb %p len %d fc %04x sn %d %s %s\n", 2938e84c258SEugene Krasnikov skb, skb->len, __le16_to_cpu(hdr->frame_control), 2948e84c258SEugene Krasnikov IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl)), 2958e84c258SEugene Krasnikov is_low ? "low" : "high", bcast ? "bcast" : "ucast"); 2968e84c258SEugene Krasnikov 2978e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_TX_DUMP, "", skb->data, skb->len); 2988e84c258SEugene Krasnikov 2998e84c258SEugene Krasnikov bd->dpu_rf = WCN36XX_BMU_WQ_TX; 3008e84c258SEugene Krasnikov 301f786a6d4SBob Copeland bd->tx_comp = !!(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS); 3028e84c258SEugene Krasnikov if (bd->tx_comp) { 3038e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_DXE, "TX_ACK status requested\n"); 3048e84c258SEugene Krasnikov spin_lock_irqsave(&wcn->dxe_lock, flags); 3058e84c258SEugene Krasnikov if (wcn->tx_ack_skb) { 3068e84c258SEugene Krasnikov spin_unlock_irqrestore(&wcn->dxe_lock, flags); 3078e84c258SEugene Krasnikov wcn36xx_warn("tx_ack_skb already set\n"); 3088e84c258SEugene Krasnikov return -EINVAL; 3098e84c258SEugene Krasnikov } 3108e84c258SEugene Krasnikov 3118e84c258SEugene Krasnikov wcn->tx_ack_skb = skb; 3128e84c258SEugene Krasnikov spin_unlock_irqrestore(&wcn->dxe_lock, flags); 3138e84c258SEugene Krasnikov 3148e84c258SEugene Krasnikov /* Only one at a time is supported by fw. Stop the TX queues 3158e84c258SEugene Krasnikov * until the ack status gets back. 3168e84c258SEugene Krasnikov * 3178e84c258SEugene Krasnikov * TODO: Add watchdog in case FW does not answer 3188e84c258SEugene Krasnikov */ 3198e84c258SEugene Krasnikov ieee80211_stop_queues(wcn->hw); 3208e84c258SEugene Krasnikov } 3218e84c258SEugene Krasnikov 3228e84c258SEugene Krasnikov /* Data frames served first*/ 3235f3f9285SBob Copeland if (is_low) 3245f3f9285SBob Copeland wcn36xx_set_tx_data(bd, wcn, &vif_priv, sta_priv, skb, bcast); 3255f3f9285SBob Copeland else 3268e84c258SEugene Krasnikov /* MGMT and CTRL frames are handeld here*/ 3275f3f9285SBob Copeland wcn36xx_set_tx_mgmt(bd, wcn, &vif_priv, skb, bcast); 3288e84c258SEugene Krasnikov 3298e84c258SEugene Krasnikov buff_to_be((u32 *)bd, sizeof(*bd)/sizeof(u32)); 3308e84c258SEugene Krasnikov bd->tx_bd_sign = 0xbdbdbdbd; 3318e84c258SEugene Krasnikov 3328e84c258SEugene Krasnikov return wcn36xx_dxe_tx_frame(wcn, vif_priv, skb, is_low); 3338e84c258SEugene Krasnikov } 334