// SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. */ #include "core.h" #include "dp_tx.h" #include "debug.h" #include "debugfs_sta.h" #include "hw.h" #include "peer.h" #include "mac.h" static enum hal_tcl_encap_type ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ath11k_base *ab = arvif->ar->ab; if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) return HAL_TCL_ENCAP_TYPE_RAW; if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) return HAL_TCL_ENCAP_TYPE_ETHERNET; return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI; } static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb) { struct ieee80211_hdr *hdr = (void *)skb->data; u8 *qos_ctl; if (!ieee80211_is_data_qos(hdr->frame_control)) return; qos_ctl = ieee80211_get_qos_ctl(hdr); memmove(skb->data + IEEE80211_QOS_CTL_LEN, skb->data, (void *)qos_ctl - (void *)skb->data); skb_pull(skb, IEEE80211_QOS_CTL_LEN); hdr = (void *)skb->data; hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA); } static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb) { struct ieee80211_hdr *hdr = (void *)skb->data; struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb); if (cb->flags & ATH11K_SKB_HW_80211_ENCAP) return skb->priority & IEEE80211_QOS_CTL_TID_MASK; else if (!ieee80211_is_data_qos(hdr->frame_control)) return HAL_DESC_REO_NON_QOS_TID; else return skb->priority & IEEE80211_QOS_CTL_TID_MASK; } enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher) { switch (cipher) { case WLAN_CIPHER_SUITE_WEP40: return HAL_ENCRYPT_TYPE_WEP_40; case WLAN_CIPHER_SUITE_WEP104: return HAL_ENCRYPT_TYPE_WEP_104; case WLAN_CIPHER_SUITE_TKIP: return HAL_ENCRYPT_TYPE_TKIP_MIC; case WLAN_CIPHER_SUITE_CCMP: return HAL_ENCRYPT_TYPE_CCMP_128; case WLAN_CIPHER_SUITE_CCMP_256: return HAL_ENCRYPT_TYPE_CCMP_256; case WLAN_CIPHER_SUITE_GCMP: return HAL_ENCRYPT_TYPE_GCMP_128; case WLAN_CIPHER_SUITE_GCMP_256: return HAL_ENCRYPT_TYPE_AES_GCMP_256; default: return HAL_ENCRYPT_TYPE_OPEN; } } int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif, struct ath11k_sta *arsta, struct sk_buff *skb) { struct ath11k_base *ab = ar->ab; struct ath11k_dp *dp = &ab->dp; struct hal_tx_info ti = {0}; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb); struct hal_srng *tcl_ring; struct ieee80211_hdr *hdr = (void *)skb->data; struct dp_tx_ring *tx_ring; void *hal_tcl_desc; u8 pool_id; u8 hal_ring_id; int ret; u8 ring_selector = 0, ring_map = 0; bool tcl_ring_retry; if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))) return -ESHUTDOWN; if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) && !ieee80211_is_data(hdr->frame_control))) return -ENOTSUPP; pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1); /* Let the default ring selection be based on current processor * number, where one of the 3 tcl rings are selected based on * the smp_processor_id(). In case that ring * is full/busy, we resort to other available rings. * If all rings are full, we drop the packet. * //TODO Add throttling logic when all rings are full */ ring_selector = smp_processor_id(); tcl_ring_sel: tcl_ring_retry = false; ti.ring_id = ring_selector % ab->hw_params.max_tx_ring; ring_map |= BIT(ti.ring_id); tx_ring = &dp->tx_ring[ti.ring_id]; spin_lock_bh(&tx_ring->tx_idr_lock); ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0, DP_TX_IDR_SIZE - 1, GFP_ATOMIC); spin_unlock_bh(&tx_ring->tx_idr_lock); if (unlikely(ret < 0)) { if (ring_map == (BIT(ab->hw_params.max_tx_ring) - 1)) { atomic_inc(&ab->soc_stats.tx_err.misc_fail); return -ENOSPC; } /* Check if the next ring is available */ ring_selector++; goto tcl_ring_sel; } ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) | FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) | FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id); ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb); if (ieee80211_has_a4(hdr->frame_control) && is_multicast_ether_addr(hdr->addr3) && arsta && arsta->use_4addr_set) { ti.meta_data_flags = arsta->tcl_metadata; ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1); } else { ti.meta_data_flags = arvif->tcl_metadata; } if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) { if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) { ti.encrypt_type = ath11k_dp_tx_get_encrypt_type(skb_cb->cipher); if (ieee80211_has_protected(hdr->frame_control)) skb_put(skb, IEEE80211_CCMP_MIC_LEN); } else { ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN; } } ti.addr_search_flags = arvif->hal_addr_search_flags; ti.search_type = arvif->search_type; ti.type = HAL_TCL_DESC_TYPE_BUFFER; ti.pkt_offset = 0; ti.lmac_id = ar->lmac_id; ti.bss_ast_hash = arvif->ast_hash; ti.bss_ast_idx = arvif->ast_idx; ti.dscp_tid_tbl_idx = 0; if (likely(skb->ip_summed == CHECKSUM_PARTIAL && ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) { ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) | FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) | FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) | FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) | FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1); } if (ieee80211_vif_is_mesh(arvif->vif)) ti.enable_mesh = true; ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1); ti.tid = ath11k_dp_tx_get_tid(skb); switch (ti.encap_type) { case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI: ath11k_dp_tx_encap_nwifi(skb); break; case HAL_TCL_ENCAP_TYPE_RAW: if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) { ret = -EINVAL; goto fail_remove_idr; } break; case HAL_TCL_ENCAP_TYPE_ETHERNET: /* no need to encap */ break; case HAL_TCL_ENCAP_TYPE_802_3: default: /* TODO: Take care of other encap modes as well */ ret = -EINVAL; atomic_inc(&ab->soc_stats.tx_err.misc_fail); goto fail_remove_idr; } ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) { atomic_inc(&ab->soc_stats.tx_err.misc_fail); ath11k_warn(ab, "failed to DMA map data Tx buffer\n"); ret = -ENOMEM; goto fail_remove_idr; } ti.data_len = skb->len; skb_cb->paddr = ti.paddr; skb_cb->vif = arvif->vif; skb_cb->ar = ar; hal_ring_id = tx_ring->tcl_data_ring.ring_id; tcl_ring = &ab->hal.srng_list[hal_ring_id]; spin_lock_bh(&tcl_ring->lock); ath11k_hal_srng_access_begin(ab, tcl_ring); hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring); if (unlikely(!hal_tcl_desc)) { /* NOTE: It is highly unlikely we'll be running out of tcl_ring * desc because the desc is directly enqueued onto hw queue. */ ath11k_hal_srng_access_end(ab, tcl_ring); ab->soc_stats.tx_err.desc_na[ti.ring_id]++; spin_unlock_bh(&tcl_ring->lock); ret = -ENOMEM; /* Checking for available tcl descritors in another ring in * case of failure due to full tcl ring now, is better than * checking this ring earlier for each pkt tx. * Restart ring selection if some rings are not checked yet. */ if (unlikely(ring_map != (BIT(ab->hw_params.max_tx_ring)) - 1) && ab->hw_params.max_tx_ring > 1) { tcl_ring_retry = true; ring_selector++; } goto fail_unmap_dma; } ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc + sizeof(struct hal_tlv_hdr), &ti); ath11k_hal_srng_access_end(ab, tcl_ring); ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]); spin_unlock_bh(&tcl_ring->lock); ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ", skb->data, skb->len); atomic_inc(&ar->dp.num_tx_pending); return 0; fail_unmap_dma: dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE); fail_remove_idr: spin_lock_bh(&tx_ring->tx_idr_lock); idr_remove(&tx_ring->txbuf_idr, FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id)); spin_unlock_bh(&tx_ring->tx_idr_lock); if (tcl_ring_retry) goto tcl_ring_sel; return ret; } static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id, int msdu_id, struct dp_tx_ring *tx_ring) { struct ath11k *ar; struct sk_buff *msdu; struct ath11k_skb_cb *skb_cb; spin_lock(&tx_ring->tx_idr_lock); msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id); spin_unlock(&tx_ring->tx_idr_lock); if (unlikely(!msdu)) { ath11k_warn(ab, "tx completion for unknown msdu_id %d\n", msdu_id); return; } skb_cb = ATH11K_SKB_CB(msdu); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); dev_kfree_skb_any(msdu); ar = ab->pdevs[mac_id].ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) wake_up(&ar->dp.tx_empty_waitq); } static void ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab, struct dp_tx_ring *tx_ring, struct ath11k_dp_htt_wbm_tx_status *ts) { struct sk_buff *msdu; struct ieee80211_tx_info *info; struct ath11k_skb_cb *skb_cb; struct ath11k *ar; spin_lock(&tx_ring->tx_idr_lock); msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id); spin_unlock(&tx_ring->tx_idr_lock); if (unlikely(!msdu)) { ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n", ts->msdu_id); return; } skb_cb = ATH11K_SKB_CB(msdu); info = IEEE80211_SKB_CB(msdu); ar = skb_cb->ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) wake_up(&ar->dp.tx_empty_waitq); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); memset(&info->status, 0, sizeof(info->status)); if (ts->acked) { if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { info->flags |= IEEE80211_TX_STAT_ACK; info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR + ts->ack_rssi; info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; } else { info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; } } ieee80211_tx_status(ar->hw, msdu); } static void ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab, void *desc, u8 mac_id, u32 msdu_id, struct dp_tx_ring *tx_ring) { struct htt_tx_wbm_completion *status_desc; struct ath11k_dp_htt_wbm_tx_status ts = {0}; enum hal_wbm_htt_tx_comp_status wbm_status; status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET; wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS, status_desc->info0); switch (wbm_status) { case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK: case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP: case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL: ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK); ts.msdu_id = msdu_id; ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI, status_desc->info1); ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts); break; case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ: case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT: ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring); break; case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY: /* This event is to be handled only when the driver decides to * use WDS offload functionality. */ break; default: ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status); break; } } static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar, struct sk_buff *msdu, struct hal_tx_status *ts) { struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats; if (ts->try_cnt > 1) { peer_stats->retry_pkts += ts->try_cnt - 1; peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len; if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) { peer_stats->failed_pkts += 1; peer_stats->failed_bytes += msdu->len; } } } void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts) { struct ath11k_base *ab = ar->ab; struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats; enum hal_tx_rate_stats_pkt_type pkt_type; enum hal_tx_rate_stats_sgi sgi; enum hal_tx_rate_stats_bw bw; struct ath11k_peer *peer; struct ath11k_sta *arsta; struct ieee80211_sta *sta; u16 rate, ru_tones; u8 mcs, rate_idx = 0, ofdma; int ret; spin_lock_bh(&ab->base_lock); peer = ath11k_peer_find_by_id(ab, ts->peer_id); if (!peer || !peer->sta) { ath11k_dbg(ab, ATH11K_DBG_DP_TX, "failed to find the peer by id %u\n", ts->peer_id); goto err_out; } sta = peer->sta; arsta = (struct ath11k_sta *)sta->drv_priv; memset(&arsta->txrate, 0, sizeof(arsta->txrate)); pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE, ts->rate_stats); mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS, ts->rate_stats); sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI, ts->rate_stats); bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats); ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats); ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats); /* This is to prefer choose the real NSS value arsta->last_txrate.nss, * if it is invalid, then choose the NSS value while assoc. */ if (arsta->last_txrate.nss) arsta->txrate.nss = arsta->last_txrate.nss; else arsta->txrate.nss = arsta->peer_nss; if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A || pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) { ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs, pkt_type, &rate_idx, &rate); if (ret < 0) goto err_out; arsta->txrate.legacy = rate; } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) { if (mcs > 7) { ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs); goto err_out; } if (arsta->txrate.nss != 0) arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1); arsta->txrate.flags = RATE_INFO_FLAGS_MCS; if (sgi) arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) { if (mcs > 9) { ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs); goto err_out; } arsta->txrate.mcs = mcs; arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS; if (sgi) arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) { if (mcs > 11) { ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs); goto err_out; } arsta->txrate.mcs = mcs; arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS; arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi); } arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw); if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) { arsta->txrate.bw = RATE_INFO_BW_HE_RU; arsta->txrate.he_ru_alloc = ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones); } if (ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx); err_out: spin_unlock_bh(&ab->base_lock); } static void ath11k_dp_tx_complete_msdu(struct ath11k *ar, struct sk_buff *msdu, struct hal_tx_status *ts) { struct ieee80211_tx_status status = { 0 }; struct ath11k_base *ab = ar->ab; struct ieee80211_tx_info *info; struct ath11k_skb_cb *skb_cb; struct ath11k_peer *peer; struct ath11k_sta *arsta; struct rate_info rate; if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) { /* Must not happen */ return; } skb_cb = ATH11K_SKB_CB(msdu); dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) { dev_kfree_skb_any(msdu); return; } if (unlikely(!skb_cb->vif)) { dev_kfree_skb_any(msdu); return; } info = IEEE80211_SKB_CB(msdu); memset(&info->status, 0, sizeof(info->status)); /* skip tx rate update from ieee80211_status*/ info->status.rates[0].idx = -1; if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) { info->flags |= IEEE80211_TX_STAT_ACK; info->status.ack_signal = ATH11K_DEFAULT_NOISE_FLOOR + ts->ack_rssi; info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; } if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX && (info->flags & IEEE80211_TX_CTL_NO_ACK)) info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) || ab->hw_params.single_pdev_only) { if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) { if (ar->last_ppdu_id == 0) { ar->last_ppdu_id = ts->ppdu_id; } else if (ar->last_ppdu_id == ts->ppdu_id || ar->cached_ppdu_id == ar->last_ppdu_id) { ar->cached_ppdu_id = ar->last_ppdu_id; ar->cached_stats.is_ampdu = true; ath11k_dp_tx_update_txcompl(ar, ts); memset(&ar->cached_stats, 0, sizeof(struct ath11k_per_peer_tx_stats)); } else { ar->cached_stats.is_ampdu = false; ath11k_dp_tx_update_txcompl(ar, ts); memset(&ar->cached_stats, 0, sizeof(struct ath11k_per_peer_tx_stats)); } ar->last_ppdu_id = ts->ppdu_id; } ath11k_dp_tx_cache_peer_stats(ar, msdu, ts); } spin_lock_bh(&ab->base_lock); peer = ath11k_peer_find_by_id(ab, ts->peer_id); if (!peer || !peer->sta) { ath11k_dbg(ab, ATH11K_DBG_DATA, "dp_tx: failed to find the peer with peer_id %d\n", ts->peer_id); spin_unlock_bh(&ab->base_lock); dev_kfree_skb_any(msdu); return; } arsta = (struct ath11k_sta *)peer->sta->drv_priv; status.sta = peer->sta; status.skb = msdu; status.info = info; rate = arsta->last_txrate; status.rate = &rate; spin_unlock_bh(&ab->base_lock); ieee80211_tx_status_ext(ar->hw, &status); } static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab, struct hal_wbm_release_ring *desc, struct hal_tx_status *ts) { ts->buf_rel_source = FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0); if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW && ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) return; if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) return; ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON, desc->info0); ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER, desc->info1); ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT, desc->info1); ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI, desc->info2); if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU) ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU; ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3); ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3); if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID) ts->rate_stats = desc->rate_stats.info0; else ts->rate_stats = 0; } void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id) { struct ath11k *ar; struct ath11k_dp *dp = &ab->dp; int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id; struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id]; struct sk_buff *msdu; struct hal_tx_status ts = { 0 }; struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id]; u32 *desc; u32 msdu_id; u8 mac_id; spin_lock_bh(&status_ring->lock); ath11k_hal_srng_access_begin(ab, status_ring); while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) != tx_ring->tx_status_tail) && (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) { memcpy(&tx_ring->tx_status[tx_ring->tx_status_head], desc, sizeof(struct hal_wbm_release_ring)); tx_ring->tx_status_head = ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head); } if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) && (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) == tx_ring->tx_status_tail))) { /* TODO: Process pending tx_status messages when kfifo_is_full() */ ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n"); } ath11k_hal_srng_access_end(ab, status_ring); spin_unlock_bh(&status_ring->lock); while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) { struct hal_wbm_release_ring *tx_status; u32 desc_id; tx_ring->tx_status_tail = ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail); tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail]; ath11k_dp_tx_status_parse(ab, tx_status, &ts); desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE, tx_status->buf_addr_info.info1); mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id); msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id); if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) { ath11k_dp_tx_process_htt_tx_complete(ab, (void *)tx_status, mac_id, msdu_id, tx_ring); continue; } spin_lock(&tx_ring->tx_idr_lock); msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id); if (unlikely(!msdu)) { ath11k_warn(ab, "tx completion for unknown msdu_id %d\n", msdu_id); spin_unlock(&tx_ring->tx_idr_lock); continue; } spin_unlock(&tx_ring->tx_idr_lock); ar = ab->pdevs[mac_id].ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) wake_up(&ar->dp.tx_empty_waitq); ath11k_dp_tx_complete_msdu(ar, msdu, &ts); } } int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid, enum hal_reo_cmd_type type, struct ath11k_hal_reo_cmd *cmd, void (*cb)(struct ath11k_dp *, void *, enum hal_reo_cmd_status)) { struct ath11k_dp *dp = &ab->dp; struct dp_reo_cmd *dp_cmd; struct hal_srng *cmd_ring; int cmd_num; if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags)) return -ESHUTDOWN; cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id]; cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd); /* cmd_num should start from 1, during failure return the error code */ if (cmd_num < 0) return cmd_num; /* reo cmd ring descriptors has cmd_num starting from 1 */ if (cmd_num == 0) return -EINVAL; if (!cb) return 0; /* Can this be optimized so that we keep the pending command list only * for tid delete command to free up the resoruce on the command status * indication? */ dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC); if (!dp_cmd) return -ENOMEM; memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid)); dp_cmd->cmd_num = cmd_num; dp_cmd->handler = cb; spin_lock_bh(&dp->reo_cmd_lock); list_add_tail(&dp_cmd->list, &dp->reo_cmd_list); spin_unlock_bh(&dp->reo_cmd_lock); return 0; } static int ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab, int mac_id, u32 ring_id, enum hal_ring_type ring_type, enum htt_srng_ring_type *htt_ring_type, enum htt_srng_ring_id *htt_ring_id) { int lmac_ring_id_offset = 0; int ret = 0; switch (ring_type) { case HAL_RXDMA_BUF: lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC; /* for QCA6390, host fills rx buffer to fw and fw fills to * rxbuf ring for each rxdma */ if (!ab->hw_params.rx_mac_buf_ring) { if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF + lmac_ring_id_offset) || ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF + lmac_ring_id_offset))) { ret = -EINVAL; } *htt_ring_id = HTT_RXDMA_HOST_BUF_RING; *htt_ring_type = HTT_SW_TO_HW_RING; } else { if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) { *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING; *htt_ring_type = HTT_SW_TO_SW_RING; } else { *htt_ring_id = HTT_RXDMA_HOST_BUF_RING; *htt_ring_type = HTT_SW_TO_HW_RING; } } break; case HAL_RXDMA_DST: *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING; *htt_ring_type = HTT_HW_TO_SW_RING; break; case HAL_RXDMA_MONITOR_BUF: *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING; *htt_ring_type = HTT_SW_TO_HW_RING; break; case HAL_RXDMA_MONITOR_STATUS: *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING; *htt_ring_type = HTT_SW_TO_HW_RING; break; case HAL_RXDMA_MONITOR_DST: *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING; *htt_ring_type = HTT_HW_TO_SW_RING; break; case HAL_RXDMA_MONITOR_DESC: *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING; *htt_ring_type = HTT_SW_TO_HW_RING; break; default: ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type); ret = -EINVAL; } return ret; } int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id, int mac_id, enum hal_ring_type ring_type) { struct htt_srng_setup_cmd *cmd; struct hal_srng *srng = &ab->hal.srng_list[ring_id]; struct hal_srng_params params; struct sk_buff *skb; u32 ring_entry_sz; int len = sizeof(*cmd); dma_addr_t hp_addr, tp_addr; enum htt_srng_ring_type htt_ring_type; enum htt_srng_ring_id htt_ring_id; int ret; skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; memset(¶ms, 0, sizeof(params)); ath11k_hal_srng_get_params(ab, srng, ¶ms); hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng); tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng); ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id, ring_type, &htt_ring_type, &htt_ring_id); if (ret) goto err_free; skb_put(skb, len); cmd = (struct htt_srng_setup_cmd *)skb->data; cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE, HTT_H2T_MSG_TYPE_SRING_SETUP); if (htt_ring_type == HTT_SW_TO_HW_RING || htt_ring_type == HTT_HW_TO_SW_RING) cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID, DP_SW2HW_MACID(mac_id)); else cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID, mac_id); cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE, htt_ring_type); cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id); cmd->ring_base_addr_lo = params.ring_base_paddr & HAL_ADDR_LSB_REG_MASK; cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >> HAL_ADDR_MSB_REG_SHIFT; ret = ath11k_hal_srng_get_entrysize(ab, ring_type); if (ret < 0) goto err_free; ring_entry_sz = ret; ring_entry_sz >>= 2; cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE, ring_entry_sz); cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE, params.num_entries * ring_entry_sz); cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP, !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP)); cmd->info1 |= FIELD_PREP( HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP, !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP)); cmd->info1 |= FIELD_PREP( HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP, !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP)); if (htt_ring_type == HTT_SW_TO_HW_RING) cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS; cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK; cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >> HAL_ADDR_MSB_REG_SHIFT; cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK; cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >> HAL_ADDR_MSB_REG_SHIFT; cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr); cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr); cmd->msi_data = params.msi_data; cmd->intr_info = FIELD_PREP( HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH, params.intr_batch_cntr_thres_entries * ring_entry_sz); cmd->intr_info |= FIELD_PREP( HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH, params.intr_timer_thres_us >> 3); cmd->info2 = 0; if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) { cmd->info2 = FIELD_PREP( HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH, params.low_threshold); } ath11k_dbg(ab, ATH11k_DBG_HAL, "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n", __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi, cmd->msi_data); ath11k_dbg(ab, ATH11k_DBG_HAL, "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n", ring_id, ring_type, cmd->intr_info, cmd->info2); ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb); if (ret) goto err_free; return 0; err_free: dev_kfree_skb_any(skb); return ret; } #define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ) int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab) { struct ath11k_dp *dp = &ab->dp; struct sk_buff *skb; struct htt_ver_req_cmd *cmd; int len = sizeof(*cmd); int ret; init_completion(&dp->htt_tgt_version_received); skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; skb_put(skb, len); cmd = (struct htt_ver_req_cmd *)skb->data; cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID, HTT_H2T_MSG_TYPE_VERSION_REQ); ret = ath11k_htc_send(&ab->htc, dp->eid, skb); if (ret) { dev_kfree_skb_any(skb); return ret; } ret = wait_for_completion_timeout(&dp->htt_tgt_version_received, HTT_TARGET_VERSION_TIMEOUT_HZ); if (ret == 0) { ath11k_warn(ab, "htt target version request timed out\n"); return -ETIMEDOUT; } if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) { ath11k_err(ab, "unsupported htt major version %d supported version is %d\n", dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR); return -ENOTSUPP; } return 0; } int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask) { struct ath11k_base *ab = ar->ab; struct ath11k_dp *dp = &ab->dp; struct sk_buff *skb; struct htt_ppdu_stats_cfg_cmd *cmd; int len = sizeof(*cmd); u8 pdev_mask; int ret; int i; for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) { skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; skb_put(skb, len); cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data; cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE, HTT_H2T_MSG_TYPE_PPDU_STATS_CFG); pdev_mask = 1 << (ar->pdev_idx + i); cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask); cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask); ret = ath11k_htc_send(&ab->htc, dp->eid, skb); if (ret) { dev_kfree_skb_any(skb); return ret; } } return 0; } int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id, int mac_id, enum hal_ring_type ring_type, int rx_buf_size, struct htt_rx_ring_tlv_filter *tlv_filter) { struct htt_rx_ring_selection_cfg_cmd *cmd; struct hal_srng *srng = &ab->hal.srng_list[ring_id]; struct hal_srng_params params; struct sk_buff *skb; int len = sizeof(*cmd); enum htt_srng_ring_type htt_ring_type; enum htt_srng_ring_id htt_ring_id; int ret; skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; memset(¶ms, 0, sizeof(params)); ath11k_hal_srng_get_params(ab, srng, ¶ms); ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id, ring_type, &htt_ring_type, &htt_ring_id); if (ret) goto err_free; skb_put(skb, len); cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data; cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE, HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG); if (htt_ring_type == HTT_SW_TO_HW_RING || htt_ring_type == HTT_HW_TO_SW_RING) cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID, DP_SW2HW_MACID(mac_id)); else cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID, mac_id); cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID, htt_ring_id); cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS, !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP)); cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS, !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP)); cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE, rx_buf_size); cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0; cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1; cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2; cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3; cmd->rx_filter_tlv = tlv_filter->rx_filter; ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb); if (ret) goto err_free; return 0; err_free: dev_kfree_skb_any(skb); return ret; } int ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type, struct htt_ext_stats_cfg_params *cfg_params, u64 cookie) { struct ath11k_base *ab = ar->ab; struct ath11k_dp *dp = &ab->dp; struct sk_buff *skb; struct htt_ext_stats_cfg_cmd *cmd; u32 pdev_id; int len = sizeof(*cmd); int ret; skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; skb_put(skb, len); cmd = (struct htt_ext_stats_cfg_cmd *)skb->data; memset(cmd, 0, sizeof(*cmd)); cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG; if (ab->hw_params.single_pdev_only) pdev_id = ath11k_mac_get_target_pdev_id(ar); else pdev_id = ar->pdev->pdev_id; cmd->hdr.pdev_mask = 1 << pdev_id; cmd->hdr.stats_type = type; cmd->cfg_param0 = cfg_params->cfg0; cmd->cfg_param1 = cfg_params->cfg1; cmd->cfg_param2 = cfg_params->cfg2; cmd->cfg_param3 = cfg_params->cfg3; cmd->cookie_lsb = lower_32_bits(cookie); cmd->cookie_msb = upper_32_bits(cookie); ret = ath11k_htc_send(&ab->htc, dp->eid, skb); if (ret) { ath11k_warn(ab, "failed to send htt type stats request: %d", ret); dev_kfree_skb_any(skb); return ret; } return 0; } int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset) { struct ath11k_pdev_dp *dp = &ar->dp; struct ath11k_base *ab = ar->ab; struct htt_rx_ring_tlv_filter tlv_filter = {0}; int ret = 0, ring_id = 0, i; if (ab->hw_params.full_monitor_mode) { ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab, dp->mac_id, !reset); if (ret < 0) { ath11k_err(ab, "failed to setup full monitor %d\n", ret); return ret; } } ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id; if (!reset) { tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING; tlv_filter.pkt_filter_flags0 = HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 | HTT_RX_MON_MO_MGMT_FILTER_FLAGS0; tlv_filter.pkt_filter_flags1 = HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 | HTT_RX_MON_MO_MGMT_FILTER_FLAGS1; tlv_filter.pkt_filter_flags2 = HTT_RX_MON_FP_CTRL_FILTER_FLASG2 | HTT_RX_MON_MO_CTRL_FILTER_FLASG2; tlv_filter.pkt_filter_flags3 = HTT_RX_MON_FP_CTRL_FILTER_FLASG3 | HTT_RX_MON_MO_CTRL_FILTER_FLASG3 | HTT_RX_MON_FP_DATA_FILTER_FLASG3 | HTT_RX_MON_MO_DATA_FILTER_FLASG3; } if (ab->hw_params.rxdma1_enable) { ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id, HAL_RXDMA_MONITOR_BUF, DP_RXDMA_REFILL_RING_SIZE, &tlv_filter); } else if (!reset) { /* set in monitor mode only */ for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) { ring_id = dp->rx_mac_buf_ring[i].ring_id; ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id + i, HAL_RXDMA_BUF, 1024, &tlv_filter); } } if (ret) return ret; for (i = 0; i < ab->hw_params.num_rxmda_per_pdev; i++) { ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id; if (!reset) { tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING; } else { tlv_filter = ath11k_mac_mon_status_filter_default; if (ath11k_debugfs_is_extd_rx_stats_enabled(ar)) tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar); } ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id, dp->mac_id + i, HAL_RXDMA_MONITOR_STATUS, DP_RXDMA_REFILL_RING_SIZE, &tlv_filter); } if (!ar->ab->hw_params.rxdma1_enable) mod_timer(&ar->ab->mon_reap_timer, jiffies + msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL)); return ret; } int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id, bool config) { struct htt_rx_full_monitor_mode_cfg_cmd *cmd; struct sk_buff *skb; int ret, len = sizeof(*cmd); skb = ath11k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; skb_put(skb, len); cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data; memset(cmd, 0, sizeof(*cmd)); cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE, HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE); cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id); cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE | FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING, HTT_RX_MON_RING_SW); if (config) { cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END | HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END; } ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb); if (ret) goto err_free; return 0; err_free: dev_kfree_skb_any(skb); return ret; }