diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/dp_tx.c')
-rw-r--r-- | drivers/net/wireless/ath/ath12k/dp_tx.c | 169 |
1 files changed, 108 insertions, 61 deletions
diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c index 9b6d7d72f57c..d08c04343e90 100644 --- a/drivers/net/wireless/ath/ath12k/dp_tx.c +++ b/drivers/net/wireless/ath/ath12k/dp_tx.c @@ -124,6 +124,44 @@ static void ath12k_hal_tx_cmd_ext_desc_setup(struct ath12k_base *ab, HAL_TX_MSDU_EXT_INFO1_ENCRYPT_TYPE); } +#define HTT_META_DATA_ALIGNMENT 0x8 + +static void *ath12k_dp_metadata_align_skb(struct sk_buff *skb, u8 tail_len) +{ + struct sk_buff *tail; + void *metadata; + + if (unlikely(skb_cow_data(skb, tail_len, &tail) < 0)) + return NULL; + + metadata = pskb_put(skb, tail, tail_len); + memset(metadata, 0, tail_len); + return metadata; +} + +/* Preparing HTT Metadata when utilized with ext MSDU */ +static int ath12k_dp_prepare_htt_metadata(struct sk_buff *skb) +{ + struct hal_tx_msdu_metadata *desc_ext; + u8 htt_desc_size; + /* Size rounded of multiple of 8 bytes */ + u8 htt_desc_size_aligned; + + htt_desc_size = sizeof(struct hal_tx_msdu_metadata); + htt_desc_size_aligned = ALIGN(htt_desc_size, HTT_META_DATA_ALIGNMENT); + + desc_ext = ath12k_dp_metadata_align_skb(skb, htt_desc_size_aligned); + if (!desc_ext) + return -ENOMEM; + + desc_ext->info0 = le32_encode_bits(1, HAL_TX_MSDU_METADATA_INFO0_ENCRYPT_FLAG) | + le32_encode_bits(0, HAL_TX_MSDU_METADATA_INFO0_ENCRYPT_TYPE) | + le32_encode_bits(1, + HAL_TX_MSDU_METADATA_INFO0_HOST_TX_DESC_POOL); + + return 0; +} + int ath12k_dp_tx(struct ath12k *ar, struct ath12k_vif *arvif, struct sk_buff *skb) { @@ -145,6 +183,7 @@ int ath12k_dp_tx(struct ath12k *ar, struct ath12k_vif *arvif, u8 ring_selector, ring_map = 0; bool tcl_ring_retry; bool msdu_ext_desc = false; + bool add_htt_metadata = false; if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)) return -ESHUTDOWN; @@ -248,6 +287,18 @@ tcl_ring_sel: goto fail_remove_tx_buf; } + if (!test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags) && + !(skb_cb->flags & ATH12K_SKB_HW_80211_ENCAP) && + !(skb_cb->flags & ATH12K_SKB_CIPHER_SET) && + ieee80211_has_protected(hdr->frame_control)) { + /* Add metadata for sw encrypted vlan group traffic */ + add_htt_metadata = true; + msdu_ext_desc = true; + ti.flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TO_FW); + ti.encap_type = HAL_TCL_ENCAP_TYPE_RAW; + ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN; + } + tx_desc->skb = skb; tx_desc->mac_id = ar->pdev_idx; ti.desc_id = tx_desc->desc_id; @@ -269,6 +320,15 @@ tcl_ring_sel: msg = (struct hal_tx_msdu_ext_desc *)skb_ext_desc->data; ath12k_hal_tx_cmd_ext_desc_setup(ab, msg, &ti); + if (add_htt_metadata) { + ret = ath12k_dp_prepare_htt_metadata(skb_ext_desc); + if (ret < 0) { + ath12k_dbg(ab, ATH12K_DBG_DP_TX, + "Failed to add HTT meta data, dropping packet\n"); + goto fail_unmap_dma; + } + } + ti.paddr = dma_map_single(ab->dev, skb_ext_desc->data, skb_ext_desc->len, DMA_TO_DEVICE); ret = dma_mapping_error(ab->dev, ti.paddr); @@ -352,15 +412,15 @@ static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab, u8 pdev_id = ath12k_hw_mac_id_to_pdev_id(ab->hw_params, mac_id); skb_cb = ATH12K_SKB_CB(msdu); + ar = ab->pdevs[pdev_id].ar; dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE); if (skb_cb->paddr_ext_desc) dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc, sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE); - dev_kfree_skb_any(msdu); + ieee80211_free_txskb(ar->ah->hw, msdu); - ar = ab->pdevs[pdev_id].ar; if (atomic_dec_and_test(&ar->dp.num_tx_pending)) wake_up(&ar->dp.tx_empty_waitq); } @@ -393,8 +453,12 @@ ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab, if (ts->acked) { if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { info->flags |= IEEE80211_TX_STAT_ACK; - info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR + - ts->ack_rssi; + info->status.ack_signal = ts->ack_rssi; + + if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT, + ab->wmi_ab.svc_map)) + info->status.ack_signal += ATH12K_DEFAULT_NOISE_FLOOR; + info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; } else { info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; @@ -448,6 +512,7 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, struct hal_tx_status *ts) { struct ath12k_base *ab = ar->ab; + struct ath12k_hw *ah = ar->ah; struct ieee80211_tx_info *info; struct ath12k_skb_cb *skb_cb; @@ -466,12 +531,12 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, rcu_read_lock(); if (!rcu_dereference(ab->pdevs_active[ar->pdev_idx])) { - dev_kfree_skb_any(msdu); + ieee80211_free_txskb(ah->hw, msdu); goto exit; } if (!skb_cb->vif) { - dev_kfree_skb_any(msdu); + ieee80211_free_txskb(ah->hw, msdu); goto exit; } @@ -481,17 +546,39 @@ static void ath12k_dp_tx_complete_msdu(struct ath12k *ar, /* 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 = ATH12K_DEFAULT_NOISE_FLOOR + - ts->ack_rssi; - info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; - } + switch (ts->status) { + case HAL_WBM_TQM_REL_REASON_FRAME_ACKED: + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { + info->flags |= IEEE80211_TX_STAT_ACK; + info->status.ack_signal = ts->ack_rssi; - 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 (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT, + ab->wmi_ab.svc_map)) + info->status.ack_signal += ATH12K_DEFAULT_NOISE_FLOOR; + + info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID; + } + break; + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX: + if (info->flags & IEEE80211_TX_CTL_NO_ACK) { + info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; + break; + } + fallthrough; + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_MPDU: + case HAL_WBM_TQM_REL_REASON_DROP_THRESHOLD: + case HAL_WBM_TQM_REL_REASON_CMD_REMOVE_AGED_FRAMES: + /* The failure status is due to internal firmware tx failure + * hence drop the frame; do not update the status of frame to + * the upper layer + */ + ieee80211_free_txskb(ah->hw, msdu); + goto exit; + default: + ath12k_dbg(ab, ATH12K_DBG_DP_TX, "tx frame is not acked status %d\n", + ts->status); + break; + } /* NOTE: Tx rate status reporting. Tx completion status does not have * necessary information (for example nss) to build the tx rate. @@ -669,14 +756,6 @@ ath12k_dp_tx_get_ring_id_type(struct ath12k_base *ab, *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING; *htt_ring_type = HTT_SW_TO_HW_RING; break; - case HAL_TX_MONITOR_BUF: - *htt_ring_id = HTT_TX_MON_HOST2MON_BUF_RING; - *htt_ring_type = HTT_SW_TO_HW_RING; - break; - case HAL_TX_MONITOR_DST: - *htt_ring_id = HTT_TX_MON_MON2HOST_DEST_RING; - *htt_ring_type = HTT_HW_TO_SW_RING; - break; default: ath12k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type); ret = -EINVAL; @@ -854,7 +933,7 @@ int ath12k_dp_tx_htt_h2t_ppdu_stats_req(struct ath12k *ar, u32 mask) int ret; int i; - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { skb = ath12k_htc_alloc_skb(ab, len); if (!skb) return -ENOMEM; @@ -1007,6 +1086,7 @@ ath12k_dp_tx_htt_h2t_ext_stats_req(struct ath12k *ar, u8 type, struct htt_ext_stats_cfg_cmd *cmd; int len = sizeof(*cmd); int ret; + u32 pdev_id; skb = ath12k_htc_alloc_skb(ab, len); if (!skb) @@ -1018,7 +1098,8 @@ ath12k_dp_tx_htt_h2t_ext_stats_req(struct ath12k *ar, u8 type, memset(cmd, 0, sizeof(*cmd)); cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG; - cmd->hdr.pdev_mask = 1 << ar->pdev->pdev_id; + pdev_id = ath12k_mac_get_target_pdev_id(ar); + cmd->hdr.pdev_mask = 1 << pdev_id; cmd->hdr.stats_type = type; cmd->cfg_param0 = cpu_to_le32(cfg_params->cfg0); @@ -1044,13 +1125,7 @@ int ath12k_dp_tx_htt_monitor_mode_ring_config(struct ath12k *ar, bool reset) struct ath12k_base *ab = ar->ab; int ret; - ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset); - if (ret) { - ath12k_err(ab, "failed to setup tx monitor filter %d\n", ret); - return ret; - } - - ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset); + ret = ath12k_dp_tx_htt_rx_monitor_mode_ring_config(ar, reset); if (ret) { ath12k_err(ab, "failed to setup rx monitor filter %d\n", ret); return ret; @@ -1209,31 +1284,3 @@ err_free: dev_kfree_skb_any(skb); return ret; } - -int ath12k_dp_tx_htt_tx_monitor_mode_ring_config(struct ath12k *ar, bool reset) -{ - struct ath12k_base *ab = ar->ab; - struct ath12k_dp *dp = &ab->dp; - struct htt_tx_ring_tlv_filter tlv_filter = {0}; - int ret, ring_id; - - ring_id = dp->tx_mon_buf_ring.refill_buf_ring.ring_id; - - /* TODO: Need to set upstream/downstream tlv filters - * here - */ - - if (ab->hw_params->rxdma1_enable) { - ret = ath12k_dp_tx_htt_tx_filter_setup(ar->ab, ring_id, 0, - HAL_TX_MONITOR_BUF, - DP_RXDMA_REFILL_RING_SIZE, - &tlv_filter); - if (ret) { - ath12k_err(ab, - "failed to setup filter for monitor buf %d\n", ret); - return ret; - } - } - - return 0; -} |