diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/dp_rx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/dp_rx.c | 1986 |
1 files changed, 1287 insertions, 699 deletions
diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c index e78478a5b978..d28d8ffec0f8 100644 --- a/drivers/net/wireless/ath/ath12k/dp_rx.c +++ b/drivers/net/wireless/ath/ath12k/dp_rx.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. */ #include <linux/ieee80211.h> @@ -17,40 +17,44 @@ #include "dp_tx.h" #include "peer.h" #include "dp_mon.h" +#include "debugfs_htt_stats.h" #define ATH12K_DP_RX_FRAGMENT_TIMEOUT_MS (2 * HZ) +static int ath12k_dp_rx_tid_delete_handler(struct ath12k_base *ab, + struct ath12k_dp_rx_tid_rxq *rx_tid); + static enum hal_encrypt_type ath12k_dp_rx_h_enctype(struct ath12k_base *ab, struct hal_rx_desc *desc) { - if (!ab->hw_params->hal_ops->rx_desc_encrypt_valid(desc)) + if (!ab->hal_rx_ops->rx_desc_encrypt_valid(desc)) return HAL_ENCRYPT_TYPE_OPEN; - return ab->hw_params->hal_ops->rx_desc_get_encrypt_type(desc); + return ab->hal_rx_ops->rx_desc_get_encrypt_type(desc); } u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_decap_type(desc); + return ab->hal_rx_ops->rx_desc_get_decap_type(desc); } static u8 ath12k_dp_rx_h_mesh_ctl_present(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mesh_ctl(desc); + return ab->hal_rx_ops->rx_desc_get_mesh_ctl(desc); } static bool ath12k_dp_rx_h_seq_ctrl_valid(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_seq_ctl_vld(desc); + return ab->hal_rx_ops->rx_desc_get_mpdu_seq_ctl_vld(desc); } static bool ath12k_dp_rx_h_fc_valid(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_fc_valid(desc); + return ab->hal_rx_ops->rx_desc_get_mpdu_fc_valid(desc); } static bool ath12k_dp_rx_h_more_frags(struct ath12k_base *ab, @@ -58,7 +62,7 @@ static bool ath12k_dp_rx_h_more_frags(struct ath12k_base *ab, { struct ieee80211_hdr *hdr; - hdr = (struct ieee80211_hdr *)(skb->data + ab->hw_params->hal_desc_sz); + hdr = (struct ieee80211_hdr *)(skb->data + ab->hal.hal_desc_sz); return ieee80211_has_morefrags(hdr->frame_control); } @@ -67,156 +71,172 @@ static u16 ath12k_dp_rx_h_frag_no(struct ath12k_base *ab, { struct ieee80211_hdr *hdr; - hdr = (struct ieee80211_hdr *)(skb->data + ab->hw_params->hal_desc_sz); + hdr = (struct ieee80211_hdr *)(skb->data + ab->hal.hal_desc_sz); return le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG; } static u16 ath12k_dp_rx_h_seq_no(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_start_seq_no(desc); + return ab->hal_rx_ops->rx_desc_get_mpdu_start_seq_no(desc); } static bool ath12k_dp_rx_h_msdu_done(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->dp_rx_h_msdu_done(desc); + return ab->hal_rx_ops->dp_rx_h_msdu_done(desc); } static bool ath12k_dp_rx_h_l4_cksum_fail(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->dp_rx_h_l4_cksum_fail(desc); + return ab->hal_rx_ops->dp_rx_h_l4_cksum_fail(desc); } static bool ath12k_dp_rx_h_ip_cksum_fail(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->dp_rx_h_ip_cksum_fail(desc); + return ab->hal_rx_ops->dp_rx_h_ip_cksum_fail(desc); } static bool ath12k_dp_rx_h_is_decrypted(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->dp_rx_h_is_decrypted(desc); + return ab->hal_rx_ops->dp_rx_h_is_decrypted(desc); } u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->dp_rx_h_mpdu_err(desc); + return ab->hal_rx_ops->dp_rx_h_mpdu_err(desc); } static u16 ath12k_dp_rx_h_msdu_len(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_len(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_len(desc); } static u8 ath12k_dp_rx_h_sgi(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_sgi(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_sgi(desc); } static u8 ath12k_dp_rx_h_rate_mcs(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_rate_mcs(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_rate_mcs(desc); } static u8 ath12k_dp_rx_h_rx_bw(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_rx_bw(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_rx_bw(desc); } static u32 ath12k_dp_rx_h_freq(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_freq(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_freq(desc); } static u8 ath12k_dp_rx_h_pkt_type(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_msdu_pkt_type(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_pkt_type(desc); } static u8 ath12k_dp_rx_h_nss(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return hweight8(ab->hw_params->hal_ops->rx_desc_get_msdu_nss(desc)); + return hweight8(ab->hal_rx_ops->rx_desc_get_msdu_nss(desc)); } static u8 ath12k_dp_rx_h_tid(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_tid(desc); + return ab->hal_rx_ops->rx_desc_get_mpdu_tid(desc); } static u16 ath12k_dp_rx_h_peer_id(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_peer_id(desc); + return ab->hal_rx_ops->rx_desc_get_mpdu_peer_id(desc); } u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_l3_pad_bytes(desc); + return ab->hal_rx_ops->rx_desc_get_l3_pad_bytes(desc); } static bool ath12k_dp_rx_h_first_msdu(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_first_msdu(desc); + return ab->hal_rx_ops->rx_desc_get_first_msdu(desc); } static bool ath12k_dp_rx_h_last_msdu(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_last_msdu(desc); + return ab->hal_rx_ops->rx_desc_get_last_msdu(desc); } static void ath12k_dp_rx_desc_end_tlv_copy(struct ath12k_base *ab, struct hal_rx_desc *fdesc, struct hal_rx_desc *ldesc) { - ab->hw_params->hal_ops->rx_desc_copy_end_tlv(fdesc, ldesc); + ab->hal_rx_ops->rx_desc_copy_end_tlv(fdesc, ldesc); } static void ath12k_dp_rxdesc_set_msdu_len(struct ath12k_base *ab, struct hal_rx_desc *desc, u16 len) { - ab->hw_params->hal_ops->rx_desc_set_msdu_len(desc, len); + ab->hal_rx_ops->rx_desc_set_msdu_len(desc, len); } -static bool ath12k_dp_rx_h_is_mcbc(struct ath12k_base *ab, - struct hal_rx_desc *desc) +u32 ath12k_dp_rxdesc_get_ppduid(struct ath12k_base *ab, + struct hal_rx_desc *rx_desc) +{ + return ab->hal_rx_ops->rx_desc_get_mpdu_ppdu_id(rx_desc); +} + +bool ath12k_dp_rxdesc_mpdu_valid(struct ath12k_base *ab, + struct hal_rx_desc *rx_desc) +{ + u32 tlv_tag; + + tlv_tag = ab->hal_rx_ops->rx_desc_get_mpdu_start_tag(rx_desc); + + return tlv_tag == HAL_RX_MPDU_START; +} + +static bool ath12k_dp_rx_h_is_da_mcbc(struct ath12k_base *ab, + struct hal_rx_desc *desc) { return (ath12k_dp_rx_h_first_msdu(ab, desc) && - ab->hw_params->hal_ops->rx_desc_is_mcbc(desc)); + ab->hal_rx_ops->rx_desc_is_da_mcbc(desc)); } static bool ath12k_dp_rxdesc_mac_addr2_valid(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_mac_addr2_valid(desc); + return ab->hal_rx_ops->rx_desc_mac_addr2_valid(desc); } static u8 *ath12k_dp_rxdesc_get_mpdu_start_addr2(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_mpdu_start_addr2(desc); + return ab->hal_rx_ops->rx_desc_mpdu_start_addr2(desc); } static void ath12k_dp_rx_desc_get_dot11_hdr(struct ath12k_base *ab, struct hal_rx_desc *desc, struct ieee80211_hdr *hdr) { - ab->hw_params->hal_ops->rx_desc_get_dot11_hdr(desc, hdr); + ab->hal_rx_ops->rx_desc_get_dot11_hdr(desc, hdr); } static void ath12k_dp_rx_desc_get_crypto_header(struct ath12k_base *ab, @@ -224,54 +244,82 @@ static void ath12k_dp_rx_desc_get_crypto_header(struct ath12k_base *ab, u8 *crypto_hdr, enum hal_encrypt_type enctype) { - ab->hw_params->hal_ops->rx_desc_get_crypto_header(desc, crypto_hdr, enctype); + ab->hal_rx_ops->rx_desc_get_crypto_header(desc, crypto_hdr, enctype); } -static u16 ath12k_dp_rxdesc_get_mpdu_frame_ctrl(struct ath12k_base *ab, +static inline u8 ath12k_dp_rx_get_msdu_src_link(struct ath12k_base *ab, struct hal_rx_desc *desc) { - return ab->hw_params->hal_ops->rx_desc_get_mpdu_frame_ctl(desc); + return ab->hal_rx_ops->rx_desc_get_msdu_src_link_id(desc); } -static int ath12k_dp_purge_mon_ring(struct ath12k_base *ab) +static void ath12k_dp_clean_up_skb_list(struct sk_buff_head *skb_list) { - int i, reaped = 0; - unsigned long timeout = jiffies + msecs_to_jiffies(DP_MON_PURGE_TIMEOUT_MS); + struct sk_buff *skb; - do { - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) - reaped += ath12k_dp_mon_process_ring(ab, i, NULL, - DP_MON_SERVICE_BUDGET, - ATH12K_DP_RX_MONITOR_MODE); + while ((skb = __skb_dequeue(skb_list))) + dev_kfree_skb_any(skb); +} - /* nothing more to reap */ - if (reaped < DP_MON_SERVICE_BUDGET) - return 0; +static size_t ath12k_dp_list_cut_nodes(struct list_head *list, + struct list_head *head, + size_t count) +{ + struct list_head *cur; + struct ath12k_rx_desc_info *rx_desc; + size_t nodes = 0; - } while (time_before(jiffies, timeout)); + if (!count) { + INIT_LIST_HEAD(list); + goto out; + } - ath12k_warn(ab, "dp mon ring purge timeout"); + list_for_each(cur, head) { + if (!count) + break; - return -ETIMEDOUT; + rx_desc = list_entry(cur, struct ath12k_rx_desc_info, list); + rx_desc->in_use = true; + + count--; + nodes++; + } + + list_cut_before(list, head, cur); +out: + return nodes; +} + +static void ath12k_dp_rx_enqueue_free(struct ath12k_dp *dp, + struct list_head *used_list) +{ + struct ath12k_rx_desc_info *rx_desc, *safe; + + /* Reset the use flag */ + list_for_each_entry_safe(rx_desc, safe, used_list, list) + rx_desc->in_use = false; + + spin_lock_bh(&dp->rx_desc_lock); + list_splice_tail(used_list, &dp->rx_desc_free_list); + spin_unlock_bh(&dp->rx_desc_lock); } /* Returns number of Rx buffers replenished */ -int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id, +int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, struct dp_rxdma_ring *rx_ring, - int req_entries, - enum hal_rx_buf_return_buf_manager mgr, - bool hw_cc) + struct list_head *used_list, + int req_entries) { struct ath12k_buffer_addr *desc; struct hal_srng *srng; struct sk_buff *skb; int num_free; int num_remain; - int buf_id; u32 cookie; dma_addr_t paddr; struct ath12k_dp *dp = &ab->dp; struct ath12k_rx_desc_info *rx_desc; + enum hal_rx_buf_return_buf_manager mgr = ab->hw_params->hal_params->rx_buf_rbm; req_entries = min(req_entries, rx_ring->bufs_max); @@ -288,6 +336,19 @@ int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id, req_entries = min(num_free, req_entries); num_remain = req_entries; + if (!num_remain) + goto out; + + /* Get the descriptor from free list */ + if (list_empty(used_list)) { + spin_lock_bh(&dp->rx_desc_lock); + req_entries = ath12k_dp_list_cut_nodes(used_list, + &dp->rx_desc_free_list, + num_remain); + spin_unlock_bh(&dp->rx_desc_lock); + num_remain = req_entries; + } + while (num_remain > 0) { skb = dev_alloc_skb(DP_RX_BUFFER_SIZE + DP_RX_BUFFER_ALIGN_SIZE); @@ -307,46 +368,20 @@ int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id, if (dma_mapping_error(ab->dev, paddr)) goto fail_free_skb; - if (hw_cc) { - spin_lock_bh(&dp->rx_desc_lock); - - /* Get desc from free list and store in used list - * for cleanup purposes - * - * TODO: pass the removed descs rather than - * add/read to optimize - */ - rx_desc = list_first_entry_or_null(&dp->rx_desc_free_list, - struct ath12k_rx_desc_info, - list); - if (!rx_desc) { - spin_unlock_bh(&dp->rx_desc_lock); - goto fail_dma_unmap; - } - - rx_desc->skb = skb; - cookie = rx_desc->cookie; - list_del(&rx_desc->list); - list_add_tail(&rx_desc->list, &dp->rx_desc_used_list); + rx_desc = list_first_entry_or_null(used_list, + struct ath12k_rx_desc_info, + list); + if (!rx_desc) + goto fail_dma_unmap; - spin_unlock_bh(&dp->rx_desc_lock); - } else { - spin_lock_bh(&rx_ring->idr_lock); - buf_id = idr_alloc(&rx_ring->bufs_idr, skb, 0, - rx_ring->bufs_max * 3, GFP_ATOMIC); - spin_unlock_bh(&rx_ring->idr_lock); - if (buf_id < 0) - goto fail_dma_unmap; - cookie = u32_encode_bits(mac_id, - DP_RXDMA_BUF_COOKIE_PDEV_ID) | - u32_encode_bits(buf_id, - DP_RXDMA_BUF_COOKIE_BUF_ID); - } + rx_desc->skb = skb; + cookie = rx_desc->cookie; desc = ath12k_hal_srng_src_get_next_entry(ab, srng); if (!desc) - goto fail_buf_unassign; + goto fail_dma_unmap; + list_del(&rx_desc->list); ATH12K_SKB_RXCB(skb)->paddr = paddr; num_remain--; @@ -354,39 +389,26 @@ int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id, ath12k_hal_rx_buf_addr_info_set(desc, paddr, cookie, mgr); } - ath12k_hal_srng_access_end(ab, srng); + goto out; - spin_unlock_bh(&srng->lock); - - return req_entries - num_remain; - -fail_buf_unassign: - if (hw_cc) { - spin_lock_bh(&dp->rx_desc_lock); - list_del(&rx_desc->list); - list_add_tail(&rx_desc->list, &dp->rx_desc_free_list); - rx_desc->skb = NULL; - spin_unlock_bh(&dp->rx_desc_lock); - } else { - spin_lock_bh(&rx_ring->idr_lock); - idr_remove(&rx_ring->bufs_idr, buf_id); - spin_unlock_bh(&rx_ring->idr_lock); - } fail_dma_unmap: dma_unmap_single(ab->dev, paddr, skb->len + skb_tailroom(skb), DMA_FROM_DEVICE); fail_free_skb: dev_kfree_skb_any(skb); - +out: ath12k_hal_srng_access_end(ab, srng); + if (!list_empty(used_list)) + ath12k_dp_rx_enqueue_free(dp, used_list); + spin_unlock_bh(&srng->lock); return req_entries - num_remain; } -static int ath12k_dp_rxdma_buf_ring_free(struct ath12k_base *ab, - struct dp_rxdma_ring *rx_ring) +static int ath12k_dp_rxdma_mon_buf_ring_free(struct ath12k_base *ab, + struct dp_rxdma_mon_ring *rx_ring) { struct sk_buff *skb; int buf_id; @@ -411,22 +433,23 @@ static int ath12k_dp_rxdma_buf_ring_free(struct ath12k_base *ab, static int ath12k_dp_rxdma_buf_free(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; - struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring; + int i; - ath12k_dp_rxdma_buf_ring_free(ab, rx_ring); + ath12k_dp_rxdma_mon_buf_ring_free(ab, &dp->rxdma_mon_buf_ring); - rx_ring = &dp->rxdma_mon_buf_ring; - ath12k_dp_rxdma_buf_ring_free(ab, rx_ring); + if (ab->hw_params->rxdma1_enable) + return 0; - rx_ring = &dp->tx_mon_buf_ring; - ath12k_dp_rxdma_buf_ring_free(ab, rx_ring); + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) + ath12k_dp_rxdma_mon_buf_ring_free(ab, + &dp->rx_mon_status_refill_ring[i]); return 0; } -static int ath12k_dp_rxdma_ring_buf_setup(struct ath12k_base *ab, - struct dp_rxdma_ring *rx_ring, - u32 ringtype) +static int ath12k_dp_rxdma_mon_ring_buf_setup(struct ath12k_base *ab, + struct dp_rxdma_mon_ring *rx_ring, + u32 ringtype) { int num_entries; @@ -434,23 +457,36 @@ static int ath12k_dp_rxdma_ring_buf_setup(struct ath12k_base *ab, ath12k_hal_srng_get_entrysize(ab, ringtype); rx_ring->bufs_max = num_entries; - if ((ringtype == HAL_RXDMA_MONITOR_BUF) || (ringtype == HAL_TX_MONITOR_BUF)) - ath12k_dp_mon_buf_replenish(ab, rx_ring, num_entries); + + if (ringtype == HAL_RXDMA_MONITOR_STATUS) + ath12k_dp_mon_status_bufs_replenish(ab, rx_ring, + num_entries); else - ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, num_entries, - ab->hw_params->hal_params->rx_buf_rbm, - ringtype == HAL_RXDMA_BUF); + ath12k_dp_mon_buf_replenish(ab, rx_ring, num_entries); + + return 0; +} + +static int ath12k_dp_rxdma_ring_buf_setup(struct ath12k_base *ab, + struct dp_rxdma_ring *rx_ring) +{ + LIST_HEAD(list); + + rx_ring->bufs_max = rx_ring->refill_buf_ring.size / + ath12k_hal_srng_get_entrysize(ab, HAL_RXDMA_BUF); + + ath12k_dp_rx_bufs_replenish(ab, rx_ring, &list, 0); + return 0; } static int ath12k_dp_rxdma_buf_setup(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; - struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring; - int ret; + struct dp_rxdma_mon_ring *mon_ring; + int ret, i; - ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring, - HAL_RXDMA_BUF); + ret = ath12k_dp_rxdma_ring_buf_setup(ab, &dp->rx_refill_buf_ring); if (ret) { ath12k_warn(ab, "failed to setup HAL_RXDMA_BUF\n"); @@ -458,21 +494,22 @@ static int ath12k_dp_rxdma_buf_setup(struct ath12k_base *ab) } if (ab->hw_params->rxdma1_enable) { - rx_ring = &dp->rxdma_mon_buf_ring; - ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring, - HAL_RXDMA_MONITOR_BUF); - if (ret) { + ret = ath12k_dp_rxdma_mon_ring_buf_setup(ab, + &dp->rxdma_mon_buf_ring, + HAL_RXDMA_MONITOR_BUF); + if (ret) ath12k_warn(ab, "failed to setup HAL_RXDMA_MONITOR_BUF\n"); - return ret; - } + return ret; + } - rx_ring = &dp->tx_mon_buf_ring; - ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring, - HAL_TX_MONITOR_BUF); + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { + mon_ring = &dp->rx_mon_status_refill_ring[i]; + ret = ath12k_dp_rxdma_mon_ring_buf_setup(ab, mon_ring, + HAL_RXDMA_MONITOR_STATUS); if (ret) { ath12k_warn(ab, - "failed to setup HAL_TX_MONITOR_BUF\n"); + "failed to setup HAL_RXDMA_MONITOR_STATUS\n"); return ret; } } @@ -486,10 +523,8 @@ static void ath12k_dp_rx_pdev_srng_free(struct ath12k *ar) struct ath12k_base *ab = ar->ab; 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++) ath12k_dp_srng_cleanup(ab, &dp->rxdma_mon_dst_ring[i]); - ath12k_dp_srng_cleanup(ab, &dp->tx_mon_dst_ring[i]); - } } void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab) @@ -533,76 +568,87 @@ static int ath12k_dp_rx_pdev_srng_alloc(struct ath12k *ar) int ret; u32 mac_id = dp->mac_id; - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { ret = ath12k_dp_srng_setup(ar->ab, &dp->rxdma_mon_dst_ring[i], HAL_RXDMA_MONITOR_DST, 0, mac_id + i, - DP_RXDMA_MONITOR_DST_RING_SIZE); + DP_RXDMA_MONITOR_DST_RING_SIZE(ab)); if (ret) { ath12k_warn(ar->ab, "failed to setup HAL_RXDMA_MONITOR_DST\n"); return ret; } - - ret = ath12k_dp_srng_setup(ar->ab, - &dp->tx_mon_dst_ring[i], - HAL_TX_MONITOR_DST, - 0, mac_id + i, - DP_TX_MONITOR_DEST_RING_SIZE); - if (ret) { - ath12k_warn(ar->ab, - "failed to setup HAL_TX_MONITOR_DST\n"); - return ret; - } } return 0; } +static void ath12k_dp_init_rx_tid_rxq(struct ath12k_dp_rx_tid_rxq *rx_tid_rxq, + struct ath12k_dp_rx_tid *rx_tid) +{ + rx_tid_rxq->tid = rx_tid->tid; + rx_tid_rxq->active = rx_tid->active; + rx_tid_rxq->qbuf = rx_tid->qbuf; +} + +static void ath12k_dp_rx_tid_cleanup(struct ath12k_base *ab, + struct ath12k_reoq_buf *tid_qbuf) +{ + if (tid_qbuf->vaddr) { + dma_unmap_single(ab->dev, tid_qbuf->paddr_aligned, + tid_qbuf->size, DMA_BIDIRECTIONAL); + kfree(tid_qbuf->vaddr); + tid_qbuf->vaddr = NULL; + } +} + void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; struct ath12k_dp_rx_reo_cmd *cmd, *tmp; struct ath12k_dp_rx_reo_cache_flush_elem *cmd_cache, *tmp_cache; + struct dp_reo_update_rx_queue_elem *cmd_queue, *tmp_queue; - spin_lock_bh(&dp->reo_cmd_lock); - list_for_each_entry_safe(cmd, tmp, &dp->reo_cmd_list, list) { - list_del(&cmd->list); - dma_unmap_single(ab->dev, cmd->data.paddr, - cmd->data.size, DMA_BIDIRECTIONAL); - kfree(cmd->data.vaddr); - kfree(cmd); + spin_lock_bh(&dp->reo_rxq_flush_lock); + list_for_each_entry_safe(cmd_queue, tmp_queue, &dp->reo_cmd_update_rx_queue_list, + list) { + list_del(&cmd_queue->list); + ath12k_dp_rx_tid_cleanup(ab, &cmd_queue->rx_tid.qbuf); + kfree(cmd_queue); } - list_for_each_entry_safe(cmd_cache, tmp_cache, &dp->reo_cmd_cache_flush_list, list) { list_del(&cmd_cache->list); dp->reo_cmd_cache_flush_count--; - dma_unmap_single(ab->dev, cmd_cache->data.paddr, - cmd_cache->data.size, DMA_BIDIRECTIONAL); - kfree(cmd_cache->data.vaddr); + ath12k_dp_rx_tid_cleanup(ab, &cmd_cache->data.qbuf); kfree(cmd_cache); } + spin_unlock_bh(&dp->reo_rxq_flush_lock); + + spin_lock_bh(&dp->reo_cmd_lock); + list_for_each_entry_safe(cmd, tmp, &dp->reo_cmd_list, list) { + list_del(&cmd->list); + ath12k_dp_rx_tid_cleanup(ab, &cmd->data.qbuf); + kfree(cmd); + } spin_unlock_bh(&dp->reo_cmd_lock); } static void ath12k_dp_reo_cmd_free(struct ath12k_dp *dp, void *ctx, enum hal_reo_cmd_status status) { - struct ath12k_dp_rx_tid *rx_tid = ctx; + struct ath12k_dp_rx_tid_rxq *rx_tid = ctx; if (status != HAL_REO_CMD_SUCCESS) ath12k_warn(dp->ab, "failed to flush rx tid hw desc, tid %d status %d\n", rx_tid->tid, status); - dma_unmap_single(dp->ab->dev, rx_tid->paddr, rx_tid->size, - DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + ath12k_dp_rx_tid_cleanup(dp->ab, &rx_tid->qbuf); } -static int ath12k_dp_reo_cmd_send(struct ath12k_base *ab, struct ath12k_dp_rx_tid *rx_tid, +static int ath12k_dp_reo_cmd_send(struct ath12k_base *ab, + struct ath12k_dp_rx_tid_rxq *rx_tid, enum hal_reo_cmd_type type, struct ath12k_hal_reo_cmd *cmd, void (*cb)(struct ath12k_dp *dp, void *ctx, @@ -647,51 +693,95 @@ static int ath12k_dp_reo_cmd_send(struct ath12k_base *ab, struct ath12k_dp_rx_ti return 0; } -static void ath12k_dp_reo_cache_flush(struct ath12k_base *ab, - struct ath12k_dp_rx_tid *rx_tid) +static int ath12k_dp_reo_cache_flush(struct ath12k_base *ab, + struct ath12k_dp_rx_tid_rxq *rx_tid) { - struct ath12k_hal_reo_cmd cmd = {0}; - unsigned long tot_desc_sz, desc_sz; + struct ath12k_hal_reo_cmd cmd = {}; int ret; - tot_desc_sz = rx_tid->size; - desc_sz = ath12k_hal_reo_qdesc_size(0, HAL_DESC_REO_NON_QOS_TID); + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); + /* HAL_REO_CMD_FLG_FLUSH_FWD_ALL_MPDUS - all pending MPDUs + *in the bitmap will be forwarded/flushed to REO output rings + */ + cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS | + HAL_REO_CMD_FLG_FLUSH_FWD_ALL_MPDUS; - while (tot_desc_sz > desc_sz) { - tot_desc_sz -= desc_sz; - cmd.addr_lo = lower_32_bits(rx_tid->paddr + tot_desc_sz); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); - ret = ath12k_dp_reo_cmd_send(ab, rx_tid, - HAL_REO_CMD_FLUSH_CACHE, &cmd, - NULL); - if (ret) - ath12k_warn(ab, - "failed to send HAL_REO_CMD_FLUSH_CACHE, tid %d (%d)\n", - rx_tid->tid, ret); - } + /* For all QoS TIDs (except NON_QOS), the driver allocates a maximum + * window size of 1024. In such cases, the driver can issue a single + * 1KB descriptor flush command instead of sending multiple 128-byte + * flush commands for each QoS TID, improving efficiency. + */ + + if (rx_tid->tid != HAL_DESC_REO_NON_QOS_TID) + cmd.flag |= HAL_REO_CMD_FLG_FLUSH_QUEUE_1K_DESC; - memset(&cmd, 0, sizeof(cmd)); - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); - cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; ret = ath12k_dp_reo_cmd_send(ab, rx_tid, HAL_REO_CMD_FLUSH_CACHE, &cmd, ath12k_dp_reo_cmd_free); - if (ret) { - ath12k_err(ab, "failed to send HAL_REO_CMD_FLUSH_CACHE cmd, tid %d (%d)\n", - rx_tid->tid, ret); - dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size, - DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + return ret; +} + +static void ath12k_peer_rx_tid_qref_reset(struct ath12k_base *ab, u16 peer_id, u16 tid) +{ + struct ath12k_reo_queue_ref *qref; + struct ath12k_dp *dp = &ab->dp; + bool ml_peer = false; + + if (!ab->hw_params->reoq_lut_support) + return; + + if (peer_id & ATH12K_PEER_ML_ID_VALID) { + peer_id &= ~ATH12K_PEER_ML_ID_VALID; + ml_peer = true; } + + if (ml_peer) + qref = (struct ath12k_reo_queue_ref *)dp->ml_reoq_lut.vaddr + + (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); + else + qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr + + (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); + + qref->info0 = u32_encode_bits(0, BUFFER_ADDR_INFO0_ADDR); + qref->info1 = u32_encode_bits(0, BUFFER_ADDR_INFO1_ADDR) | + u32_encode_bits(tid, DP_REO_QREF_NUM); +} + +static void ath12k_dp_rx_process_reo_cmd_update_rx_queue_list(struct ath12k_dp *dp) +{ + struct ath12k_base *ab = dp->ab; + struct dp_reo_update_rx_queue_elem *elem, *tmp; + + spin_lock_bh(&dp->reo_rxq_flush_lock); + + list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_update_rx_queue_list, list) { + if (elem->rx_tid.active) + continue; + + if (ath12k_dp_rx_tid_delete_handler(ab, &elem->rx_tid)) + break; + + ath12k_peer_rx_tid_qref_reset(ab, + elem->is_ml_peer ? elem->ml_peer_id : + elem->peer_id, + elem->rx_tid.tid); + + if (ab->hw_params->reoq_lut_support) + ath12k_hal_reo_shared_qaddr_cache_clear(ab); + + list_del(&elem->list); + kfree(elem); + } + + spin_unlock_bh(&dp->reo_rxq_flush_lock); } static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx, enum hal_reo_cmd_status status) { struct ath12k_base *ab = dp->ab; - struct ath12k_dp_rx_tid *rx_tid = ctx; + struct ath12k_dp_rx_tid_rxq *rx_tid = ctx; struct ath12k_dp_rx_reo_cache_flush_elem *elem, *tmp; if (status == HAL_REO_CMD_DRAIN) { @@ -703,6 +793,13 @@ static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx, return; } + /* Retry the HAL_REO_CMD_UPDATE_RX_QUEUE command for entries + * in the pending queue list marked TID as inactive + */ + spin_lock_bh(&dp->ab->base_lock); + ath12k_dp_rx_process_reo_cmd_update_rx_queue_list(dp); + spin_unlock_bh(&dp->ab->base_lock); + elem = kzalloc(sizeof(*elem), GFP_ATOMIC); if (!elem) goto free_desc; @@ -710,7 +807,7 @@ static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx, elem->ts = jiffies; memcpy(&elem->data, rx_tid, sizeof(*rx_tid)); - spin_lock_bh(&dp->reo_cmd_lock); + spin_lock_bh(&dp->reo_rxq_flush_lock); list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list); dp->reo_cmd_cache_flush_count++; @@ -720,32 +817,44 @@ static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx, if (dp->reo_cmd_cache_flush_count > ATH12K_DP_RX_REO_DESC_FREE_THRES || time_after(jiffies, elem->ts + msecs_to_jiffies(ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS))) { - list_del(&elem->list); - dp->reo_cmd_cache_flush_count--; - - /* Unlock the reo_cmd_lock before using ath12k_dp_reo_cmd_send() - * within ath12k_dp_reo_cache_flush. The reo_cmd_cache_flush_list - * is used in only two contexts, one is in this function called - * from napi and the other in ath12k_dp_free during core destroy. - * Before dp_free, the irqs would be disabled and would wait to - * synchronize. Hence there wouldn’t be any race against add or - * delete to this list. Hence unlock-lock is safe here. + /* The reo_cmd_cache_flush_list is used in only two contexts, + * one is in this function called from napi and the + * other in ath12k_dp_free during core destroy. + * If cache command sent is success, delete the element in + * the cache list. ath12k_dp_rx_reo_cmd_list_cleanup + * will be called during core destroy. */ - spin_unlock_bh(&dp->reo_cmd_lock); - ath12k_dp_reo_cache_flush(ab, &elem->data); + if (ath12k_dp_reo_cache_flush(ab, &elem->data)) + break; + + list_del(&elem->list); + dp->reo_cmd_cache_flush_count--; kfree(elem); - spin_lock_bh(&dp->reo_cmd_lock); } } - spin_unlock_bh(&dp->reo_cmd_lock); + spin_unlock_bh(&dp->reo_rxq_flush_lock); return; free_desc: - dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size, - DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; + ath12k_dp_rx_tid_cleanup(ab, &rx_tid->qbuf); +} + +static int ath12k_dp_rx_tid_delete_handler(struct ath12k_base *ab, + struct ath12k_dp_rx_tid_rxq *rx_tid) +{ + struct ath12k_hal_reo_cmd cmd = {}; + + cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; + cmd.addr_lo = lower_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); + cmd.upd0 |= HAL_REO_CMD_UPD0_VLD; + /* Observed flush cache failure, to avoid that set vld bit during delete */ + cmd.upd1 |= HAL_REO_CMD_UPD1_VLD; + + return ath12k_dp_reo_cmd_send(ab, rx_tid, + HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, + ath12k_dp_rx_tid_del_func); } static void ath12k_peer_rx_tid_qref_setup(struct ath12k_base *ab, u16 peer_id, u16 tid, @@ -753,82 +862,69 @@ static void ath12k_peer_rx_tid_qref_setup(struct ath12k_base *ab, u16 peer_id, u { struct ath12k_reo_queue_ref *qref; struct ath12k_dp *dp = &ab->dp; + bool ml_peer = false; if (!ab->hw_params->reoq_lut_support) return; - /* TODO: based on ML peer or not, select the LUT. below assumes non - * ML peer - */ - qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr + - (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); + if (peer_id & ATH12K_PEER_ML_ID_VALID) { + peer_id &= ~ATH12K_PEER_ML_ID_VALID; + ml_peer = true; + } + + if (ml_peer) + qref = (struct ath12k_reo_queue_ref *)dp->ml_reoq_lut.vaddr + + (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); + else + qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr + + (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); qref->info0 = u32_encode_bits(lower_32_bits(paddr), BUFFER_ADDR_INFO0_ADDR); qref->info1 = u32_encode_bits(upper_32_bits(paddr), BUFFER_ADDR_INFO1_ADDR) | u32_encode_bits(tid, DP_REO_QREF_NUM); + ath12k_hal_reo_shared_qaddr_cache_clear(ab); } -static void ath12k_peer_rx_tid_qref_reset(struct ath12k_base *ab, u16 peer_id, u16 tid) +static void ath12k_dp_mark_tid_as_inactive(struct ath12k_dp *dp, int peer_id, u8 tid) { - struct ath12k_reo_queue_ref *qref; - struct ath12k_dp *dp = &ab->dp; - - if (!ab->hw_params->reoq_lut_support) - return; - - /* TODO: based on ML peer or not, select the LUT. below assumes non - * ML peer - */ - qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr + - (peer_id * (IEEE80211_NUM_TIDS + 1) + tid); - - qref->info0 = u32_encode_bits(0, BUFFER_ADDR_INFO0_ADDR); - qref->info1 = u32_encode_bits(0, BUFFER_ADDR_INFO1_ADDR) | - u32_encode_bits(tid, DP_REO_QREF_NUM); + struct dp_reo_update_rx_queue_elem *elem; + struct ath12k_dp_rx_tid_rxq *rx_tid; + + spin_lock_bh(&dp->reo_rxq_flush_lock); + list_for_each_entry(elem, &dp->reo_cmd_update_rx_queue_list, list) { + if (elem->peer_id == peer_id) { + rx_tid = &elem->rx_tid; + if (rx_tid->tid == tid) { + rx_tid->active = false; + break; + } + } + } + spin_unlock_bh(&dp->reo_rxq_flush_lock); } void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar, struct ath12k_peer *peer, u8 tid) { - struct ath12k_hal_reo_cmd cmd = {0}; struct ath12k_dp_rx_tid *rx_tid = &peer->rx_tid[tid]; - int ret; + struct ath12k_base *ab = ar->ab; + struct ath12k_dp *dp = &ab->dp; if (!rx_tid->active) return; - cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); - cmd.upd0 = HAL_REO_CMD_UPD0_VLD; - ret = ath12k_dp_reo_cmd_send(ar->ab, rx_tid, - HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, - ath12k_dp_rx_tid_del_func); - if (ret) { - ath12k_err(ar->ab, "failed to send HAL_REO_CMD_UPDATE_RX_QUEUE cmd, tid %d (%d)\n", - tid, ret); - dma_unmap_single(ar->ab->dev, rx_tid->paddr, rx_tid->size, - DMA_BIDIRECTIONAL); - kfree(rx_tid->vaddr); - rx_tid->vaddr = NULL; - } - - ath12k_peer_rx_tid_qref_reset(ar->ab, peer->peer_id, tid); - rx_tid->active = false; + + ath12k_dp_mark_tid_as_inactive(dp, peer->peer_id, tid); + ath12k_dp_rx_process_reo_cmd_update_rx_queue_list(dp); } -/* TODO: it's strange (and ugly) that struct hal_reo_dest_ring is converted - * to struct hal_wbm_release_ring, I couldn't figure out the logic behind - * that. - */ -static int ath12k_dp_rx_link_desc_return(struct ath12k_base *ab, - struct hal_reo_dest_ring *ring, - enum hal_wbm_rel_bm_act action) +int ath12k_dp_rx_link_desc_return(struct ath12k_base *ab, + struct ath12k_buffer_addr *buf_addr_info, + enum hal_wbm_rel_bm_act action) { - struct hal_wbm_release_ring *link_desc = (struct hal_wbm_release_ring *)ring; struct hal_wbm_release_ring *desc; struct ath12k_dp *dp = &ab->dp; struct hal_srng *srng; @@ -846,7 +942,7 @@ static int ath12k_dp_rx_link_desc_return(struct ath12k_base *ab, goto exit; } - ath12k_hal_rx_msdu_link_desc_set(ab, desc, link_desc, action); + ath12k_hal_rx_msdu_link_desc_set(ab, desc, buf_addr_info, action); exit: ath12k_hal_srng_access_end(ab, srng); @@ -859,14 +955,17 @@ exit: static void ath12k_dp_rx_frags_cleanup(struct ath12k_dp_rx_tid *rx_tid, bool rel_link_desc) { + struct ath12k_buffer_addr *buf_addr_info; struct ath12k_base *ab = rx_tid->ab; lockdep_assert_held(&ab->base_lock); if (rx_tid->dst_ring_desc) { - if (rel_link_desc) - ath12k_dp_rx_link_desc_return(ab, rx_tid->dst_ring_desc, + if (rel_link_desc) { + buf_addr_info = &rx_tid->dst_ring_desc->buf_addr_info; + ath12k_dp_rx_link_desc_return(ab, buf_addr_info, HAL_WBM_REL_BM_ACT_PUT_IN_IDLE); + } kfree(rx_tid->dst_ring_desc); rx_tid->dst_ring_desc = NULL; } @@ -891,7 +990,7 @@ void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer) ath12k_dp_rx_frags_cleanup(rx_tid, true); spin_unlock_bh(&ar->ab->base_lock); - del_timer_sync(&rx_tid->frag_timer); + timer_delete_sync(&rx_tid->frag_timer); spin_lock_bh(&ar->ab->base_lock); } } @@ -902,11 +1001,14 @@ static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar, u32 ba_win_sz, u16 ssn, bool update_ssn) { - struct ath12k_hal_reo_cmd cmd = {0}; + struct ath12k_hal_reo_cmd cmd = {}; int ret; + struct ath12k_dp_rx_tid_rxq rx_tid_rxq; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); + ath12k_dp_init_rx_tid_rxq(&rx_tid_rxq, rx_tid); + + cmd.addr_lo = lower_32_bits(rx_tid_rxq.qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid_rxq.qbuf.paddr_aligned); cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS; cmd.upd0 = HAL_REO_CMD_UPD0_BA_WINDOW_SIZE; cmd.ba_window_size = ba_win_sz; @@ -916,12 +1018,12 @@ static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar, cmd.upd2 = u32_encode_bits(ssn, HAL_REO_CMD_UPD2_SSN); } - ret = ath12k_dp_reo_cmd_send(ar->ab, rx_tid, + ret = ath12k_dp_reo_cmd_send(ar->ab, &rx_tid_rxq, HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, NULL); if (ret) { ath12k_warn(ar->ab, "failed to update rx tid queue, tid %d (%d)\n", - rx_tid->tid, ret); + rx_tid_rxq.tid, ret); return ret; } @@ -930,18 +1032,92 @@ static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar, return 0; } +static int ath12k_dp_rx_assign_reoq(struct ath12k_base *ab, + struct ath12k_sta *ahsta, + struct ath12k_dp_rx_tid *rx_tid, + u16 ssn, enum hal_pn_type pn_type) +{ + u32 ba_win_sz = rx_tid->ba_win_sz; + struct ath12k_reoq_buf *buf; + void *vaddr, *vaddr_aligned; + dma_addr_t paddr_aligned; + u8 tid = rx_tid->tid; + u32 hw_desc_sz; + int ret; + + buf = &ahsta->reoq_bufs[tid]; + if (!buf->vaddr) { + /* TODO: Optimize the memory allocation for qos tid based on + * the actual BA window size in REO tid update path. + */ + if (tid == HAL_DESC_REO_NON_QOS_TID) + hw_desc_sz = ath12k_hal_reo_qdesc_size(ba_win_sz, tid); + else + hw_desc_sz = ath12k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid); + + vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC); + if (!vaddr) + return -ENOMEM; + + vaddr_aligned = PTR_ALIGN(vaddr, HAL_LINK_DESC_ALIGN); + + ath12k_hal_reo_qdesc_setup(vaddr_aligned, tid, ba_win_sz, + ssn, pn_type); + + paddr_aligned = dma_map_single(ab->dev, vaddr_aligned, hw_desc_sz, + DMA_BIDIRECTIONAL); + ret = dma_mapping_error(ab->dev, paddr_aligned); + if (ret) { + kfree(vaddr); + return ret; + } + + buf->vaddr = vaddr; + buf->paddr_aligned = paddr_aligned; + buf->size = hw_desc_sz; + } + + rx_tid->qbuf = *buf; + rx_tid->active = true; + + return 0; +} + +static int ath12k_dp_prepare_reo_update_elem(struct ath12k_dp *dp, + struct ath12k_peer *peer, + struct ath12k_dp_rx_tid *rx_tid) +{ + struct dp_reo_update_rx_queue_elem *elem; + + lockdep_assert_held(&dp->ab->base_lock); + + elem = kzalloc(sizeof(*elem), GFP_ATOMIC); + if (!elem) + return -ENOMEM; + + elem->peer_id = peer->peer_id; + elem->is_ml_peer = peer->mlo; + elem->ml_peer_id = peer->ml_id; + + ath12k_dp_init_rx_tid_rxq(&elem->rx_tid, rx_tid); + + spin_lock_bh(&dp->reo_rxq_flush_lock); + list_add_tail(&elem->list, &dp->reo_cmd_update_rx_queue_list); + spin_unlock_bh(&dp->reo_rxq_flush_lock); + + return 0; +} + int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id, u8 tid, u32 ba_win_sz, u16 ssn, enum hal_pn_type pn_type) { struct ath12k_base *ab = ar->ab; struct ath12k_dp *dp = &ab->dp; - struct hal_rx_reo_queue *addr_aligned; struct ath12k_peer *peer; + struct ath12k_sta *ahsta; struct ath12k_dp_rx_tid *rx_tid; - u32 hw_desc_sz; - void *vaddr; - dma_addr_t paddr; + dma_addr_t paddr_aligned; int ret; spin_lock_bh(&ab->base_lock); @@ -953,7 +1129,14 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ return -ENOENT; } - if (ab->hw_params->reoq_lut_support && !dp->reoq_lut.vaddr) { + if (ab->hw_params->dp_primary_link_only && + !peer->primary_link) { + spin_unlock_bh(&ab->base_lock); + return 0; + } + + if (ab->hw_params->reoq_lut_support && + (!dp->reoq_lut.vaddr || !dp->ml_reoq_lut.vaddr)) { spin_unlock_bh(&ab->base_lock); ath12k_warn(ab, "reo qref table is not setup\n"); return -EINVAL; @@ -969,7 +1152,6 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ rx_tid = &peer->rx_tid[tid]; /* Update the tid queue if it is already setup */ if (rx_tid->active) { - paddr = rx_tid->paddr; ret = ath12k_peer_rx_tid_reo_update(ar, peer, rx_tid, ba_win_sz, ssn, true); spin_unlock_bh(&ab->base_lock); @@ -978,77 +1160,92 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ return ret; } - return ret; + if (!ab->hw_params->reoq_lut_support) { + paddr_aligned = rx_tid->qbuf.paddr_aligned; + ret = ath12k_wmi_peer_rx_reorder_queue_setup(ar, vdev_id, + peer_mac, + paddr_aligned, tid, + 1, ba_win_sz); + if (ret) { + ath12k_warn(ab, "failed to setup peer rx reorder queuefor tid %d: %d\n", + tid, ret); + return ret; + } + } + + return 0; } rx_tid->tid = tid; rx_tid->ba_win_sz = ba_win_sz; - /* TODO: Optimize the memory allocation for qos tid based on - * the actual BA window size in REO tid update path. - */ - if (tid == HAL_DESC_REO_NON_QOS_TID) - hw_desc_sz = ath12k_hal_reo_qdesc_size(ba_win_sz, tid); - else - hw_desc_sz = ath12k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid); - - vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC); - if (!vaddr) { + ahsta = ath12k_sta_to_ahsta(peer->sta); + ret = ath12k_dp_rx_assign_reoq(ab, ahsta, rx_tid, ssn, pn_type); + if (ret) { spin_unlock_bh(&ab->base_lock); - return -ENOMEM; + ath12k_warn(ab, "failed to assign reoq buf for rx tid %u\n", tid); + return ret; } - addr_aligned = PTR_ALIGN(vaddr, HAL_LINK_DESC_ALIGN); - - ath12k_hal_reo_qdesc_setup(addr_aligned, tid, ba_win_sz, - ssn, pn_type); - - paddr = dma_map_single(ab->dev, addr_aligned, hw_desc_sz, - DMA_BIDIRECTIONAL); - - ret = dma_mapping_error(ab->dev, paddr); + /* Pre-allocate the update_rxq_list for the corresponding tid + * This will be used during the tid delete. The reason we are not + * allocating during tid delete is that, if any alloc fail in update_rxq_list + * we may not be able to delete the tid vaddr/paddr and may lead to leak + */ + ret = ath12k_dp_prepare_reo_update_elem(dp, peer, rx_tid); if (ret) { + ath12k_warn(ab, "failed to alloc update_rxq_list for rx tid %u\n", tid); + ath12k_dp_rx_tid_cleanup(ab, &rx_tid->qbuf); spin_unlock_bh(&ab->base_lock); - goto err_mem_free; + return ret; } - rx_tid->vaddr = vaddr; - rx_tid->paddr = paddr; - rx_tid->size = hw_desc_sz; - rx_tid->active = true; - + paddr_aligned = rx_tid->qbuf.paddr_aligned; if (ab->hw_params->reoq_lut_support) { /* Update the REO queue LUT at the corresponding peer id * and tid with qaddr. */ - ath12k_peer_rx_tid_qref_setup(ab, peer->peer_id, tid, paddr); + if (peer->mlo) + ath12k_peer_rx_tid_qref_setup(ab, peer->ml_id, tid, + paddr_aligned); + else + ath12k_peer_rx_tid_qref_setup(ab, peer->peer_id, tid, + paddr_aligned); + spin_unlock_bh(&ab->base_lock); } else { spin_unlock_bh(&ab->base_lock); ret = ath12k_wmi_peer_rx_reorder_queue_setup(ar, vdev_id, peer_mac, - paddr, tid, 1, ba_win_sz); + paddr_aligned, tid, 1, + ba_win_sz); } return ret; - -err_mem_free: - kfree(vaddr); - - return ret; } int ath12k_dp_rx_ampdu_start(struct ath12k *ar, - struct ieee80211_ampdu_params *params) + struct ieee80211_ampdu_params *params, + u8 link_id) { struct ath12k_base *ab = ar->ab; - struct ath12k_sta *arsta = (void *)params->sta->drv_priv; - int vdev_id = arsta->arvif->vdev_id; + struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(params->sta); + struct ath12k_link_sta *arsta; + int vdev_id; int ret; - ret = ath12k_dp_rx_peer_tid_setup(ar, params->sta->addr, vdev_id, + lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); + + arsta = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, + ahsta->link[link_id]); + if (!arsta) + return -ENOLINK; + + vdev_id = arsta->arvif->vdev_id; + + ret = ath12k_dp_rx_peer_tid_setup(ar, arsta->addr, vdev_id, params->tid, params->buf_size, - params->ssn, arsta->pn_type); + params->ssn, arsta->ahsta->pn_type); if (ret) ath12k_warn(ab, "failed to setup rx tid %d\n", ret); @@ -1056,18 +1253,29 @@ int ath12k_dp_rx_ampdu_start(struct ath12k *ar, } int ath12k_dp_rx_ampdu_stop(struct ath12k *ar, - struct ieee80211_ampdu_params *params) + struct ieee80211_ampdu_params *params, + u8 link_id) { struct ath12k_base *ab = ar->ab; struct ath12k_peer *peer; - struct ath12k_sta *arsta = (void *)params->sta->drv_priv; - int vdev_id = arsta->arvif->vdev_id; + struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(params->sta); + struct ath12k_link_sta *arsta; + int vdev_id; bool active; int ret; + lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); + + arsta = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, + ahsta->link[link_id]); + if (!arsta) + return -ENOLINK; + + vdev_id = arsta->arvif->vdev_id; + spin_lock_bh(&ab->base_lock); - peer = ath12k_peer_find(ab, vdev_id, params->sta->addr); + peer = ath12k_peer_find(ab, vdev_id, arsta->addr); if (!peer) { spin_unlock_bh(&ab->base_lock); ath12k_warn(ab, "failed to find the peer to stop rx aggregation\n"); @@ -1092,16 +1300,17 @@ int ath12k_dp_rx_ampdu_stop(struct ath12k *ar, return ret; } -int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_vif *arvif, +int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif, const u8 *peer_addr, enum set_key_cmd key_cmd, struct ieee80211_key_conf *key) { struct ath12k *ar = arvif->ar; struct ath12k_base *ab = ar->ab; - struct ath12k_hal_reo_cmd cmd = {0}; + struct ath12k_hal_reo_cmd cmd = {}; struct ath12k_peer *peer; struct ath12k_dp_rx_tid *rx_tid; + struct ath12k_dp_rx_tid_rxq rx_tid_rxq; u8 tid; int ret = 0; @@ -1148,9 +1357,11 @@ int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_vif *arvif, rx_tid = &peer->rx_tid[tid]; if (!rx_tid->active) continue; - cmd.addr_lo = lower_32_bits(rx_tid->paddr); - cmd.addr_hi = upper_32_bits(rx_tid->paddr); - ret = ath12k_dp_reo_cmd_send(ab, rx_tid, + + ath12k_dp_init_rx_tid_rxq(&rx_tid_rxq, rx_tid); + cmd.addr_lo = lower_32_bits(rx_tid_rxq.qbuf.paddr_aligned); + cmd.addr_hi = upper_32_bits(rx_tid_rxq.qbuf.paddr_aligned); + ret = ath12k_dp_reo_cmd_send(ab, &rx_tid_rxq, HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd, NULL); if (ret) { @@ -1270,10 +1481,10 @@ static int ath12k_htt_tlv_ppdu_stats_parse(struct ath12k_base *ab, return 0; } -static int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len, - int (*iter)(struct ath12k_base *ar, u16 tag, u16 len, - const void *ptr, void *data), - void *data) +int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len, + int (*iter)(struct ath12k_base *ar, u16 tag, u16 len, + const void *ptr, void *data), + void *data) { const struct htt_tlv *tlv; const void *begin = ptr; @@ -1313,29 +1524,33 @@ ath12k_update_per_peer_tx_stats(struct ath12k *ar, { struct ath12k_base *ab = ar->ab; struct ath12k_peer *peer; - struct ieee80211_sta *sta; - struct ath12k_sta *arsta; + struct ath12k_link_sta *arsta; struct htt_ppdu_stats_user_rate *user_rate; struct ath12k_per_peer_tx_stats *peer_stats = &ar->peer_tx_stats; struct htt_ppdu_user_stats *usr_stats = &ppdu_stats->user_stats[user]; struct htt_ppdu_stats_common *common = &ppdu_stats->common; int ret; - u8 flags, mcs, nss, bw, sgi, dcm, rate_idx = 0; + u8 flags, mcs, nss, bw, sgi, dcm, ppdu_type, rate_idx = 0; u32 v, succ_bytes = 0; u16 tones, rate = 0, succ_pkts = 0; u32 tx_duration = 0; u8 tid = HTT_PPDU_STATS_NON_QOS_TID; - bool is_ampdu = false; - - if (!usr_stats) - return; + u16 tx_retry_failed = 0, tx_retry_count = 0; + bool is_ampdu = false, is_ofdma; if (!(usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_RATE))) return; - if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON)) + if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON)) { is_ampdu = HTT_USR_CMPLTN_IS_AMPDU(usr_stats->cmpltn_cmn.flags); + tx_retry_failed = + __le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_tried) - + __le16_to_cpu(usr_stats->cmpltn_cmn.mpdu_success); + tx_retry_count = + HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) + + HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags); + } if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS)) { @@ -1357,16 +1572,15 @@ ath12k_update_per_peer_tx_stats(struct ath12k *ar, sgi = HTT_USR_RATE_GI(user_rate->rate_flags); dcm = HTT_USR_RATE_DCM(user_rate->rate_flags); + ppdu_type = HTT_USR_RATE_PPDU_TYPE(user_rate->info1); + is_ofdma = (ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_OFDMA) || + (ppdu_type == HTT_PPDU_STATS_PPDU_TYPE_MU_MIMO_OFDMA); + /* Note: If host configured fixed rates and in some other special * cases, the broadcast/management frames are sent in different rates. * Firmware rate's control to be skipped for this? */ - if (flags == WMI_RATE_PREAMBLE_HE && mcs > 11) { - ath12k_warn(ab, "Invalid HE mcs %d peer stats", mcs); - return; - } - if (flags == WMI_RATE_PREAMBLE_HE && mcs > ATH12K_HE_MCS_MAX) { ath12k_warn(ab, "Invalid HE mcs %d peer stats", mcs); return; @@ -1402,11 +1616,17 @@ ath12k_update_per_peer_tx_stats(struct ath12k *ar, return; } - sta = peer->sta; - arsta = (struct ath12k_sta *)sta->drv_priv; + arsta = ath12k_peer_get_link_sta(ab, peer); + if (!arsta) { + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); + return; + } memset(&arsta->txrate, 0, sizeof(arsta->txrate)); + arsta->txrate.bw = ath12k_mac_bw_to_mac80211_bw(bw); + switch (flags) { case WMI_RATE_PREAMBLE_OFDM: arsta->txrate.legacy = rate; @@ -1435,11 +1655,26 @@ ath12k_update_per_peer_tx_stats(struct ath12k *ar, le16_to_cpu(user_rate->ru_start) + 1; v = ath12k_he_ru_tones_to_nl80211_he_ru_alloc(tones); arsta->txrate.he_ru_alloc = v; + if (is_ofdma) + arsta->txrate.bw = RATE_INFO_BW_HE_RU; + break; + case WMI_RATE_PREAMBLE_EHT: + arsta->txrate.mcs = mcs; + arsta->txrate.flags = RATE_INFO_FLAGS_EHT_MCS; + arsta->txrate.he_dcm = dcm; + arsta->txrate.eht_gi = ath12k_mac_eht_gi_to_nl80211_eht_gi(sgi); + tones = le16_to_cpu(user_rate->ru_end) - + le16_to_cpu(user_rate->ru_start) + 1; + v = ath12k_mac_eht_ru_tones_to_nl80211_eht_ru_alloc(tones); + arsta->txrate.eht_ru_alloc = v; + if (is_ofdma) + arsta->txrate.bw = RATE_INFO_BW_EHT_RU; break; } + arsta->tx_retry_failed += tx_retry_failed; + arsta->tx_retry_count += tx_retry_count; arsta->txrate.nss = nss; - arsta->txrate.bw = ath12k_mac_bw_to_mac80211_bw(bw); arsta->tx_duration += tx_duration; memcpy(&arsta->last_txrate, &arsta->txrate, sizeof(struct rate_info)); @@ -1548,6 +1783,13 @@ static int ath12k_htt_pull_ppdu_stats(struct ath12k_base *ab, msg = (struct ath12k_htt_ppdu_stats_msg *)skb->data; len = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PAYLOAD_SIZE); + if (len > (skb->len - struct_size(msg, data, 0))) { + ath12k_warn(ab, + "HTT PPDU STATS event has unexpected payload size %u, should be smaller than %u\n", + len, skb->len); + return -EINVAL; + } + pdev_id = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PDEV_ID); ppdu_id = le32_to_cpu(msg->ppdu_id); @@ -1576,6 +1818,16 @@ static int ath12k_htt_pull_ppdu_stats(struct ath12k_base *ab, goto exit; } + if (ppdu_info->ppdu_stats.common.num_users >= HTT_PPDU_STATS_MAX_USERS) { + spin_unlock_bh(&ar->data_lock); + ath12k_warn(ab, + "HTT PPDU STATS event has unexpected num_users %u, should be smaller than %u\n", + ppdu_info->ppdu_stats.common.num_users, + HTT_PPDU_STATS_MAX_USERS); + ret = -EINVAL; + goto exit; + } + /* back up data rate tlv for all peers */ if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_DATA && (ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON)) && @@ -1634,11 +1886,16 @@ static void ath12k_htt_mlo_offset_event_handler(struct ath12k_base *ab, msg = (struct ath12k_htt_mlo_offset_msg *)skb->data; pdev_id = u32_get_bits(__le32_to_cpu(msg->info), HTT_T2H_MLO_OFFSET_INFO_PDEV_ID); - ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id); + rcu_read_lock(); + ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id); if (!ar) { - ath12k_warn(ab, "invalid pdev id %d on htt mlo offset\n", pdev_id); - return; + /* It is possible that the ar is not yet active (started). + * The above function will only look for the active pdev + * and hence %NULL return is possible. Just silently + * discard this message + */ + goto exit; } spin_lock_bh(&ar->data_lock); @@ -1654,6 +1911,8 @@ static void ath12k_htt_mlo_offset_event_handler(struct ath12k_base *ab, pdev->timestamp.mlo_comp_timer = __le32_to_cpu(msg->mlo_comp_timer); spin_unlock_bh(&ar->data_lock); +exit: + rcu_read_unlock(); } void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab, @@ -1718,8 +1977,12 @@ void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab, HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16); ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32), peer_mac_h16, mac_addr); + ast_hash = le32_get_bits(resp->peer_map_ev.info2, + HTT_T2H_PEER_MAP3_INFO2_AST_HASH_VAL); + hw_peer_id = le32_get_bits(resp->peer_map_ev.info2, + HTT_T2H_PEER_MAP3_INFO2_HW_PEER_ID); ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash, - peer_id); + hw_peer_id); break; case HTT_T2H_MSG_TYPE_PEER_UNMAP: case HTT_T2H_MSG_TYPE_PEER_UNMAP2: @@ -1731,6 +1994,7 @@ void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab, ath12k_htt_pull_ppdu_stats(ab, skb); break; case HTT_T2H_MSG_TYPE_EXT_STATS_CONF: + ath12k_debugfs_htt_ext_stats_handler(ab, skb); break; case HTT_T2H_MSG_TYPE_MLO_TIMESTAMP_OFFSET_IND: ath12k_htt_mlo_offset_event_handler(ab, skb); @@ -1755,7 +2019,8 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, int buf_first_hdr_len, buf_first_len; struct hal_rx_desc *ldesc; int space_extra, rem_len, buf_len; - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; + bool is_continuation; /* As the msdu is spread across multiple rx buffers, * find the offset to the start of msdu for computing @@ -1804,7 +2069,8 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, rem_len = msdu_len - buf_first_len; while ((skb = __skb_dequeue(msdu_list)) != NULL && rem_len > 0) { rxcb = ATH12K_SKB_RXCB(skb); - if (rxcb->is_continuation) + is_continuation = rxcb->is_continuation; + if (is_continuation) buf_len = DP_RX_BUFFER_SIZE - hal_rx_desc_sz; else buf_len = rem_len; @@ -1822,7 +2088,7 @@ static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar, dev_kfree_skb_any(skb); rem_len -= buf_len; - if (!rxcb->is_continuation) + if (!is_continuation) break; } @@ -1847,21 +2113,14 @@ static struct sk_buff *ath12k_dp_rx_get_msdu_last_buf(struct sk_buff_head *msdu_ return NULL; } -static void ath12k_dp_rx_h_csum_offload(struct ath12k *ar, struct sk_buff *msdu) +static void ath12k_dp_rx_h_csum_offload(struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info) { - struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - struct ath12k_base *ab = ar->ab; - bool ip_csum_fail, l4_csum_fail; - - ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rxcb->rx_desc); - l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rxcb->rx_desc); - - msdu->ip_summed = (ip_csum_fail || l4_csum_fail) ? - CHECKSUM_NONE : CHECKSUM_UNNECESSARY; + msdu->ip_summed = (rx_info->ip_csum_fail || rx_info->l4_csum_fail) ? + CHECKSUM_NONE : CHECKSUM_UNNECESSARY; } -static int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, - enum hal_encrypt_type enctype) +int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, enum hal_encrypt_type enctype) { switch (enctype) { case HAL_ENCRYPT_TYPE_OPEN: @@ -2055,10 +2314,13 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, struct hal_rx_desc *rx_desc = rxcb->rx_desc; struct ath12k_base *ab = ar->ab; size_t hdr_len, crypto_len; - struct ieee80211_hdr *hdr; - u16 qos_ctl; - __le16 fc; - u8 *crypto_hdr; + struct ieee80211_hdr hdr; + __le16 qos_ctl; + u8 *crypto_hdr, mesh_ctrl; + + ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, &hdr); + hdr_len = ieee80211_hdrlen(hdr.frame_control); + mesh_ctrl = ath12k_dp_rx_h_mesh_ctl_present(ab, rx_desc); if (!(status->flag & RX_FLAG_IV_STRIPPED)) { crypto_len = ath12k_dp_rx_crypto_param_len(ar, enctype); @@ -2066,27 +2328,21 @@ static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar, ath12k_dp_rx_desc_get_crypto_header(ab, rx_desc, crypto_hdr, enctype); } - fc = cpu_to_le16(ath12k_dp_rxdesc_get_mpdu_frame_ctrl(ab, rx_desc)); - hdr_len = ieee80211_hdrlen(fc); skb_push(msdu, hdr_len); - hdr = (struct ieee80211_hdr *)msdu->data; - hdr->frame_control = fc; - - /* Get wifi header from rx_desc */ - ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, hdr); + memcpy(msdu->data, &hdr, min(hdr_len, sizeof(hdr))); if (rxcb->is_mcbc) status->flag &= ~RX_FLAG_PN_VALIDATED; /* Add QOS header */ - if (ieee80211_is_data_qos(hdr->frame_control)) { - qos_ctl = rxcb->tid; - if (ath12k_dp_rx_h_mesh_ctl_present(ab, rx_desc)) - qos_ctl |= IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT; + if (ieee80211_is_data_qos(hdr.frame_control)) { + struct ieee80211_hdr *qos_ptr = (struct ieee80211_hdr *)msdu->data; + + qos_ctl = cpu_to_le16(rxcb->tid & IEEE80211_QOS_CTL_TID_MASK); + if (mesh_ctrl) + qos_ctl |= cpu_to_le16(IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT); - /* TODO: Add other QoS ctl fields when required */ - memcpy(msdu->data + (hdr_len - IEEE80211_QOS_CTL_LEN), - &qos_ctl, IEEE80211_QOS_CTL_LEN); + memcpy(ieee80211_get_qos_ctl(qos_ptr), &qos_ctl, IEEE80211_QOS_CTL_LEN); } } @@ -2162,10 +2418,10 @@ static void ath12k_dp_rx_h_undecap(struct ath12k *ar, struct sk_buff *msdu, } struct ath12k_peer * -ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu) +ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info) { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - struct hal_rx_desc *rx_desc = rxcb->rx_desc; struct ath12k_peer *peer = NULL; lockdep_assert_held(&ab->base_lock); @@ -2176,40 +2432,41 @@ ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu) if (peer) return peer; - if (!rx_desc || !(ath12k_dp_rxdesc_mac_addr2_valid(ab, rx_desc))) - return NULL; + if (rx_info->addr2_present) + peer = ath12k_peer_find_by_addr(ab, rx_info->addr2); - peer = ath12k_peer_find_by_addr(ab, - ath12k_dp_rxdesc_get_mpdu_start_addr2(ab, - rx_desc)); return peer; } static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, struct sk_buff *msdu, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) + struct ath12k_dp_rx_info *rx_info) { - bool fill_crypto_hdr; struct ath12k_base *ab = ar->ab; struct ath12k_skb_rxcb *rxcb; enum hal_encrypt_type enctype; bool is_decrypted = false; struct ieee80211_hdr *hdr; struct ath12k_peer *peer; + struct ieee80211_rx_status *rx_status = rx_info->rx_status; u32 err_bitmap; /* PN for multicast packets will be checked in mac80211 */ rxcb = ATH12K_SKB_RXCB(msdu); - fill_crypto_hdr = ath12k_dp_rx_h_is_mcbc(ar->ab, rx_desc); - rxcb->is_mcbc = fill_crypto_hdr; + rxcb->is_mcbc = rx_info->is_mcbc; if (rxcb->is_mcbc) - rxcb->peer_id = ath12k_dp_rx_h_peer_id(ar->ab, rx_desc); + rxcb->peer_id = rx_info->peer_id; spin_lock_bh(&ar->ab->base_lock); - peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu); + peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu, rx_info); if (peer) { + /* resetting mcbc bit because mcbc packets are unicast + * packets only for AP as STA sends unicast packets. + */ + rxcb->is_mcbc = rxcb->is_mcbc && !peer->ucast_ra_only; + if (rxcb->is_mcbc) enctype = peer->sec_type_grp; else @@ -2238,7 +2495,7 @@ static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, if (is_decrypted) { rx_status->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MMIC_STRIPPED; - if (fill_crypto_hdr) + if (rx_info->is_mcbc) rx_status->flag |= RX_FLAG_MIC_STRIPPED | RX_FLAG_ICV_STRIPPED; else @@ -2246,37 +2503,28 @@ static void ath12k_dp_rx_h_mpdu(struct ath12k *ar, RX_FLAG_PN_VALIDATED; } - ath12k_dp_rx_h_csum_offload(ar, msdu); + ath12k_dp_rx_h_csum_offload(msdu, rx_info); ath12k_dp_rx_h_undecap(ar, msdu, rx_desc, enctype, rx_status, is_decrypted); - if (!is_decrypted || fill_crypto_hdr) + if (!is_decrypted || rx_info->is_mcbc) return; - if (ath12k_dp_rx_h_decap_type(ar->ab, rx_desc) != - DP_RX_DECAP_TYPE_ETHERNET2_DIX) { + if (rx_info->decap_type != DP_RX_DECAP_TYPE_ETHERNET2_DIX) { hdr = (void *)msdu->data; hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED); } } -static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) +static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info) { - struct ath12k_base *ab = ar->ab; struct ieee80211_supported_band *sband; - enum rx_msdu_start_pkt_type pkt_type; - u8 bw; - u8 rate_mcs, nss; - u8 sgi; + struct ieee80211_rx_status *rx_status = rx_info->rx_status; + enum rx_msdu_start_pkt_type pkt_type = rx_info->pkt_type; + u8 bw = rx_info->bw, sgi = rx_info->sgi; + u8 rate_mcs = rx_info->rate_mcs, nss = rx_info->nss; bool is_cck; - pkt_type = ath12k_dp_rx_h_pkt_type(ab, rx_desc); - bw = ath12k_dp_rx_h_rx_bw(ab, rx_desc); - rate_mcs = ath12k_dp_rx_h_rate_mcs(ab, rx_desc); - nss = ath12k_dp_rx_h_nss(ab, rx_desc); - sgi = ath12k_dp_rx_h_sgi(ab, rx_desc); - switch (pkt_type) { case RX_MSDU_START_PKT_TYPE_11A: case RX_MSDU_START_PKT_TYPE_11B: @@ -2325,13 +2573,55 @@ static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc, rx_status->he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi); rx_status->bw = ath12k_mac_bw_to_mac80211_bw(bw); break; + case RX_MSDU_START_PKT_TYPE_11BE: + rx_status->rate_idx = rate_mcs; + + if (rate_mcs > ATH12K_EHT_MCS_MAX) { + ath12k_warn(ar->ab, + "Received with invalid mcs in EHT mode %d\n", + rate_mcs); + break; + } + + rx_status->encoding = RX_ENC_EHT; + rx_status->nss = nss; + rx_status->eht.gi = ath12k_mac_eht_gi_to_nl80211_eht_gi(sgi); + rx_status->bw = ath12k_mac_bw_to_mac80211_bw(bw); + break; + default: + break; } } -void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, - struct ieee80211_rx_status *rx_status) +void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab, struct hal_rx_desc *rx_desc, + struct ath12k_dp_rx_info *rx_info) { - struct ath12k_base *ab = ar->ab; + rx_info->ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rx_desc); + rx_info->l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rx_desc); + rx_info->is_mcbc = ath12k_dp_rx_h_is_da_mcbc(ab, rx_desc); + rx_info->decap_type = ath12k_dp_rx_h_decap_type(ab, rx_desc); + rx_info->pkt_type = ath12k_dp_rx_h_pkt_type(ab, rx_desc); + rx_info->sgi = ath12k_dp_rx_h_sgi(ab, rx_desc); + rx_info->rate_mcs = ath12k_dp_rx_h_rate_mcs(ab, rx_desc); + rx_info->bw = ath12k_dp_rx_h_rx_bw(ab, rx_desc); + rx_info->nss = ath12k_dp_rx_h_nss(ab, rx_desc); + rx_info->tid = ath12k_dp_rx_h_tid(ab, rx_desc); + rx_info->peer_id = ath12k_dp_rx_h_peer_id(ab, rx_desc); + rx_info->phy_meta_data = ath12k_dp_rx_h_freq(ab, rx_desc); + + if (ath12k_dp_rxdesc_mac_addr2_valid(ab, rx_desc)) { + ether_addr_copy(rx_info->addr2, + ath12k_dp_rxdesc_get_mpdu_start_addr2(ab, rx_desc)); + rx_info->addr2_present = true; + } + + ath12k_dbg_dump(ab, ATH12K_DBG_DATA, NULL, "rx_desc: ", + rx_desc, sizeof(*rx_desc)); +} + +void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info) +{ + struct ieee80211_rx_status *rx_status = rx_info->rx_status; u8 channel_num; u32 center_freq, meta_data; struct ieee80211_channel *channel; @@ -2345,73 +2635,78 @@ void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc, rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; - meta_data = ath12k_dp_rx_h_freq(ab, rx_desc); + meta_data = rx_info->phy_meta_data; channel_num = meta_data; center_freq = meta_data >> 16; - if (center_freq >= 5935 && center_freq <= 7105) { + rx_status->band = NUM_NL80211_BANDS; + + if (center_freq >= ATH12K_MIN_6GHZ_FREQ && + center_freq <= ATH12K_MAX_6GHZ_FREQ) { rx_status->band = NL80211_BAND_6GHZ; + rx_status->freq = center_freq; } else if (channel_num >= 1 && channel_num <= 14) { rx_status->band = NL80211_BAND_2GHZ; } else if (channel_num >= 36 && channel_num <= 173) { rx_status->band = NL80211_BAND_5GHZ; - } else { + } + + if (unlikely(rx_status->band == NUM_NL80211_BANDS || + !ath12k_ar_to_hw(ar)->wiphy->bands[rx_status->band])) { + ath12k_warn(ar->ab, "sband is NULL for status band %d channel_num %d center_freq %d pdev_id %d\n", + rx_status->band, channel_num, center_freq, ar->pdev_idx); + spin_lock_bh(&ar->data_lock); channel = ar->rx_channel; if (channel) { rx_status->band = channel->band; channel_num = ieee80211_frequency_to_channel(channel->center_freq); + rx_status->freq = ieee80211_channel_to_frequency(channel_num, + rx_status->band); + } else { + ath12k_err(ar->ab, "unable to determine channel, band for rx packet"); } spin_unlock_bh(&ar->data_lock); - ath12k_dbg_dump(ar->ab, ATH12K_DBG_DATA, NULL, "rx_desc: ", - rx_desc, sizeof(*rx_desc)); + goto h_rate; } - rx_status->freq = ieee80211_channel_to_frequency(channel_num, - rx_status->band); + if (rx_status->band != NL80211_BAND_6GHZ) + rx_status->freq = ieee80211_channel_to_frequency(channel_num, + rx_status->band); - ath12k_dp_rx_h_rate(ar, rx_desc, rx_status); +h_rate: + ath12k_dp_rx_h_rate(ar, rx_info); } static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *napi, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; - static const struct ieee80211_radiotap_he known = { - .data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN | - IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN), - .data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN), - }; - struct ieee80211_radiotap_he *he; struct ieee80211_rx_status *rx_status; struct ieee80211_sta *pubsta; struct ath12k_peer *peer; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - u8 decap = DP_RX_DECAP_TYPE_RAW; + struct ieee80211_rx_status *status = rx_info->rx_status; + u8 decap = rx_info->decap_type; bool is_mcbc = rxcb->is_mcbc; bool is_eapol = rxcb->is_eapol; - if (status->encoding == RX_ENC_HE && !(status->flag & RX_FLAG_RADIOTAP_HE) && - !(status->flag & RX_FLAG_SKIP_MONITOR)) { - he = skb_push(msdu, sizeof(known)); - memcpy(he, &known, sizeof(known)); - status->flag |= RX_FLAG_RADIOTAP_HE; - } - - if (!(status->flag & RX_FLAG_ONLY_MONITOR)) - decap = ath12k_dp_rx_h_decap_type(ab, rxcb->rx_desc); - spin_lock_bh(&ab->base_lock); - peer = ath12k_dp_rx_h_find_peer(ab, msdu); + peer = ath12k_dp_rx_h_find_peer(ab, msdu, rx_info); pubsta = peer ? peer->sta : NULL; + if (pubsta && pubsta->valid_links) { + status->link_valid = 1; + status->link_id = peer->link_id; + } + spin_unlock_bh(&ab->base_lock); ath12k_dbg(ab, ATH12K_DBG_DATA, - "rx skb %pK len %u peer %pM %d %s sn %u %s%s%s%s%s%s%s%s rate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n", + "rx skb %p len %u peer %pM %d %s sn %u %s%s%s%s%s%s%s%s%s%s rate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n", msdu, msdu->len, peer ? peer->addr : NULL, @@ -2422,9 +2717,11 @@ static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *nap (status->encoding == RX_ENC_HT) ? "ht" : "", (status->encoding == RX_ENC_VHT) ? "vht" : "", (status->encoding == RX_ENC_HE) ? "he" : "", + (status->encoding == RX_ENC_EHT) ? "eht" : "", (status->bw == RATE_INFO_BW_40) ? "40" : "", (status->bw == RATE_INFO_BW_80) ? "80" : "", (status->bw == RATE_INFO_BW_160) ? "160" : "", + (status->bw == RATE_INFO_BW_320) ? "320" : "", status->enc_flags & RX_ENC_FLAG_SHORT_GI ? "sgi " : "", status->rate_idx, status->nss, @@ -2451,13 +2748,36 @@ static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *nap !(is_mcbc && rx_status->flag & RX_FLAG_DECRYPTED)) rx_status->flag |= RX_FLAG_8023; - ieee80211_rx_napi(ar->hw, pubsta, msdu, napi); + ieee80211_rx_napi(ath12k_ar_to_hw(ar), pubsta, msdu, napi); +} + +static bool ath12k_dp_rx_check_nwifi_hdr_len_valid(struct ath12k_base *ab, + struct hal_rx_desc *rx_desc, + struct sk_buff *msdu) +{ + struct ieee80211_hdr *hdr; + u8 decap_type; + u32 hdr_len; + + decap_type = ath12k_dp_rx_h_decap_type(ab, rx_desc); + if (decap_type != DP_RX_DECAP_TYPE_NATIVE_WIFI) + return true; + + hdr = (struct ieee80211_hdr *)msdu->data; + hdr_len = ieee80211_hdrlen(hdr->frame_control); + + if ((likely(hdr_len <= DP_MAX_NWIFI_HDR_LEN))) + return true; + + ab->device_stats.invalid_rbm++; + WARN_ON_ONCE(1); + return false; } static int ath12k_dp_rx_process_msdu(struct ath12k *ar, struct sk_buff *msdu, struct sk_buff_head *msdu_list, - struct ieee80211_rx_status *rx_status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; struct hal_rx_desc *rx_desc, *lrx_desc; @@ -2466,7 +2786,7 @@ static int ath12k_dp_rx_process_msdu(struct ath12k *ar, u8 l3_pad_bytes; u16 msdu_len; int ret; - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; last_buf = ath12k_dp_rx_get_msdu_last_buf(msdu_list, msdu); if (!last_buf) { @@ -2512,10 +2832,16 @@ static int ath12k_dp_rx_process_msdu(struct ath12k *ar, } } - ath12k_dp_rx_h_ppdu(ar, rx_desc, rx_status); - ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_status); + if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, rx_desc, msdu))) { + ret = -EINVAL; + goto free_out; + } + + ath12k_dp_rx_h_fetch_info(ab, rx_desc, rx_info); + ath12k_dp_rx_h_ppdu(ar, rx_info); + ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_info); - rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED; + rx_info->rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED; return 0; @@ -2528,33 +2854,44 @@ static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab, struct sk_buff_head *msdu_list, int ring_id) { - struct ieee80211_rx_status rx_status = {0}; + struct ath12k_hw_group *ag = ab->ag; + struct ieee80211_rx_status rx_status = {}; struct ath12k_skb_rxcb *rxcb; struct sk_buff *msdu; struct ath12k *ar; - u8 mac_id; + struct ath12k_hw_link *hw_links = ag->hw_links; + struct ath12k_base *partner_ab; + struct ath12k_dp_rx_info rx_info; + u8 hw_link_id, pdev_id; int ret; if (skb_queue_empty(msdu_list)) return; + rx_info.addr2_present = false; + rx_info.rx_status = &rx_status; + rcu_read_lock(); while ((msdu = __skb_dequeue(msdu_list))) { rxcb = ATH12K_SKB_RXCB(msdu); - mac_id = rxcb->mac_id; - ar = ab->pdevs[mac_id].ar; - if (!rcu_dereference(ab->pdevs_active[mac_id])) { + hw_link_id = rxcb->hw_link_id; + partner_ab = ath12k_ag_to_ab(ag, + hw_links[hw_link_id].device_id); + pdev_id = ath12k_hw_mac_id_to_pdev_id(partner_ab->hw_params, + hw_links[hw_link_id].pdev_idx); + ar = partner_ab->pdevs[pdev_id].ar; + if (!rcu_dereference(partner_ab->pdevs_active[pdev_id])) { dev_kfree_skb_any(msdu); continue; } - if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) { + if (test_bit(ATH12K_FLAG_CAC_RUNNING, &ar->dev_flags)) { dev_kfree_skb_any(msdu); continue; } - ret = ath12k_dp_rx_process_msdu(ar, msdu, msdu_list, &rx_status); + ret = ath12k_dp_rx_process_msdu(ar, msdu, msdu_list, &rx_info); if (ret) { ath12k_dbg(ab, ATH12K_DBG_DATA, "Unable to process msdu %d", ret); @@ -2562,31 +2899,61 @@ static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab, continue; } - ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_status); + ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_info); } rcu_read_unlock(); } +static u16 ath12k_dp_rx_get_peer_id(struct ath12k_base *ab, + enum ath12k_peer_metadata_version ver, + __le32 peer_metadata) +{ + switch (ver) { + default: + ath12k_warn(ab, "Unknown peer metadata version: %d", ver); + fallthrough; + case ATH12K_PEER_METADATA_V0: + return le32_get_bits(peer_metadata, + RX_MPDU_DESC_META_DATA_V0_PEER_ID); + case ATH12K_PEER_METADATA_V1: + return le32_get_bits(peer_metadata, + RX_MPDU_DESC_META_DATA_V1_PEER_ID); + case ATH12K_PEER_METADATA_V1A: + return le32_get_bits(peer_metadata, + RX_MPDU_DESC_META_DATA_V1A_PEER_ID); + case ATH12K_PEER_METADATA_V1B: + return le32_get_bits(peer_metadata, + RX_MPDU_DESC_META_DATA_V1B_PEER_ID); + } +} + int ath12k_dp_rx_process(struct ath12k_base *ab, int ring_id, struct napi_struct *napi, int budget) { + struct ath12k_hw_group *ag = ab->ag; + struct list_head rx_desc_used_list[ATH12K_MAX_DEVICES]; + struct ath12k_hw_link *hw_links = ag->hw_links; + int num_buffs_reaped[ATH12K_MAX_DEVICES] = {}; struct ath12k_rx_desc_info *desc_info; struct ath12k_dp *dp = &ab->dp; struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring; struct hal_reo_dest_ring *desc; - int num_buffs_reaped = 0; + struct ath12k_base *partner_ab; struct sk_buff_head msdu_list; struct ath12k_skb_rxcb *rxcb; int total_msdu_reaped = 0; + u8 hw_link_id, device_id; struct hal_srng *srng; struct sk_buff *msdu; bool done = false; - int mac_id; u64 desc_va; __skb_queue_head_init(&msdu_list); + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) + INIT_LIST_HEAD(&rx_desc_used_list[device_id]); + srng = &ab->hal.srng_list[dp->reo_dst_ring[ring_id].ring_id]; spin_lock_bh(&srng->lock); @@ -2595,24 +2962,38 @@ try_again: ath12k_hal_srng_access_begin(ab, srng); while ((desc = ath12k_hal_srng_dst_get_next_entry(ab, srng))) { + struct rx_mpdu_desc *mpdu_info; + struct rx_msdu_desc *msdu_info; enum hal_reo_dest_ring_push_reason push_reason; u32 cookie; cookie = le32_get_bits(desc->buf_addr_info.info1, BUFFER_ADDR_INFO1_SW_COOKIE); - mac_id = le32_get_bits(desc->info0, - HAL_REO_DEST_RING_INFO0_SRC_LINK_ID); + hw_link_id = le32_get_bits(desc->info0, + HAL_REO_DEST_RING_INFO0_SRC_LINK_ID); desc_va = ((u64)le32_to_cpu(desc->buf_va_hi) << 32 | le32_to_cpu(desc->buf_va_lo)); desc_info = (struct ath12k_rx_desc_info *)((unsigned long)desc_va); + device_id = hw_links[hw_link_id].device_id; + partner_ab = ath12k_ag_to_ab(ag, device_id); + if (unlikely(!partner_ab)) { + if (desc_info->skb) { + dev_kfree_skb_any(desc_info->skb); + desc_info->skb = NULL; + } + + continue; + } + /* retry manual desc retrieval */ if (!desc_info) { - desc_info = ath12k_dp_get_rx_desc(ab, cookie); + desc_info = ath12k_dp_get_rx_desc(partner_ab, cookie); if (!desc_info) { - ath12k_warn(ab, "Invalid cookie in manual desc retrieval"); + ath12k_warn(partner_ab, "Invalid cookie in manual descriptor retrieval: 0x%x\n", + cookie); continue; } } @@ -2623,36 +3004,38 @@ try_again: msdu = desc_info->skb; desc_info->skb = NULL; - spin_lock_bh(&dp->rx_desc_lock); - list_move_tail(&desc_info->list, &dp->rx_desc_free_list); - spin_unlock_bh(&dp->rx_desc_lock); + list_add_tail(&desc_info->list, &rx_desc_used_list[device_id]); rxcb = ATH12K_SKB_RXCB(msdu); - dma_unmap_single(ab->dev, rxcb->paddr, + dma_unmap_single(partner_ab->dev, rxcb->paddr, msdu->len + skb_tailroom(msdu), DMA_FROM_DEVICE); - num_buffs_reaped++; + num_buffs_reaped[device_id]++; + ab->device_stats.reo_rx[ring_id][ab->device_id]++; push_reason = le32_get_bits(desc->info0, HAL_REO_DEST_RING_INFO0_PUSH_REASON); if (push_reason != HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) { dev_kfree_skb_any(msdu); - ab->soc_stats.hal_reo_error[dp->reo_dst_ring[ring_id].ring_id]++; + ab->device_stats.hal_reo_error[ring_id]++; continue; } - rxcb->is_first_msdu = !!(le32_to_cpu(desc->rx_msdu_info.info0) & + msdu_info = &desc->rx_msdu_info; + mpdu_info = &desc->rx_mpdu_info; + + rxcb->is_first_msdu = !!(le32_to_cpu(msdu_info->info0) & RX_MSDU_DESC_INFO0_FIRST_MSDU_IN_MPDU); - rxcb->is_last_msdu = !!(le32_to_cpu(desc->rx_msdu_info.info0) & + rxcb->is_last_msdu = !!(le32_to_cpu(msdu_info->info0) & RX_MSDU_DESC_INFO0_LAST_MSDU_IN_MPDU); - rxcb->is_continuation = !!(le32_to_cpu(desc->rx_msdu_info.info0) & + rxcb->is_continuation = !!(le32_to_cpu(msdu_info->info0) & RX_MSDU_DESC_INFO0_MSDU_CONTINUATION); - rxcb->mac_id = mac_id; - rxcb->peer_id = le32_get_bits(desc->rx_mpdu_info.peer_meta_data, - RX_MPDU_DESC_META_DATA_PEER_ID); - rxcb->tid = le32_get_bits(desc->rx_mpdu_info.info0, + rxcb->hw_link_id = hw_link_id; + rxcb->peer_id = ath12k_dp_rx_get_peer_id(ab, dp->peer_metadata_ver, + mpdu_info->peer_meta_data); + rxcb->tid = le32_get_bits(mpdu_info->info0, RX_MPDU_DESC_INFO0_TID); __skb_queue_tail(&msdu_list, msdu); @@ -2686,9 +3069,17 @@ try_again: if (!total_msdu_reaped) goto exit; - /* TODO: Move to implicit BM? */ - ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, num_buffs_reaped, - ab->hw_params->hal_params->rx_buf_rbm, true); + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) { + if (!num_buffs_reaped[device_id]) + continue; + + partner_ab = ath12k_ag_to_ab(ag, device_id); + rx_ring = &partner_ab->dp.rx_refill_buf_ring; + + ath12k_dp_rx_bufs_replenish(partner_ab, rx_ring, + &rx_desc_used_list[device_id], + num_buffs_reaped[device_id]); + } ath12k_dp_rx_process_received_packets(ab, napi, &msdu_list, ring_id); @@ -2699,7 +3090,8 @@ exit: static void ath12k_dp_rx_frag_timer(struct timer_list *timer) { - struct ath12k_dp_rx_tid *rx_tid = from_timer(rx_tid, timer, frag_timer); + struct ath12k_dp_rx_tid *rx_tid = timer_container_of(rx_tid, timer, + frag_timer); spin_lock_bh(&rx_tid->ab->base_lock); if (rx_tid->last_frag_no && @@ -2728,10 +3120,17 @@ int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev peer = ath12k_peer_find(ab, vdev_id, peer_mac); if (!peer) { spin_unlock_bh(&ab->base_lock); + crypto_free_shash(tfm); ath12k_warn(ab, "failed to find the peer to set up fragment info\n"); return -ENOENT; } + if (!peer->primary_link) { + spin_unlock_bh(&ab->base_lock); + crypto_free_shash(tfm); + return 0; + } + for (i = 0; i <= IEEE80211_NUM_TIDS; i++) { rx_tid = &peer->rx_tid[i]; rx_tid->ab = ab; @@ -2740,6 +3139,7 @@ int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev } peer->tfm_mmic = tfm; + peer->dp_setup_done = true; spin_unlock_bh(&ab->base_lock); return 0; @@ -2750,7 +3150,7 @@ static int ath12k_dp_rx_h_michael_mic(struct crypto_shash *tfm, u8 *key, size_t data_len, u8 *mic) { SHASH_DESC_ON_STACK(desc, tfm); - u8 mic_hdr[16] = {0}; + u8 mic_hdr[16] = {}; u8 tid = 0; int ret; @@ -2794,16 +3194,20 @@ static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer struct ieee80211_rx_status *rxs = IEEE80211_SKB_RXCB(msdu); struct ieee80211_key_conf *key_conf; struct ieee80211_hdr *hdr; + struct ath12k_dp_rx_info rx_info; u8 mic[IEEE80211_CCMP_MIC_LEN]; int head_len, tail_len, ret; size_t data_len; - u32 hdr_len, hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hdr_len, hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; u8 *key, *data; u8 key_idx; if (ath12k_dp_rx_h_enctype(ab, rx_desc) != HAL_ENCRYPT_TYPE_TKIP_MIC) return 0; + rx_info.addr2_present = false; + rx_info.rx_status = rxs; + hdr = (struct ieee80211_hdr *)(msdu->data + hal_rx_desc_sz); hdr_len = ieee80211_hdrlen(hdr->frame_control); head_len = hdr_len + hal_rx_desc_sz + IEEE80211_TKIP_IV_LEN; @@ -2830,14 +3234,19 @@ mic_fail: (ATH12K_SKB_RXCB(msdu))->is_first_msdu = true; (ATH12K_SKB_RXCB(msdu))->is_last_msdu = true; + ath12k_dp_rx_h_fetch_info(ab, rx_desc, &rx_info); + rxs->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_MMIC_STRIPPED | RX_FLAG_IV_STRIPPED | RX_FLAG_DECRYPTED; skb_pull(msdu, hal_rx_desc_sz); - ath12k_dp_rx_h_ppdu(ar, rx_desc, rxs); + if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, rx_desc, msdu))) + return -EINVAL; + + ath12k_dp_rx_h_ppdu(ar, &rx_info); ath12k_dp_rx_h_undecap(ar, msdu, rx_desc, HAL_ENCRYPT_TYPE_TKIP_MIC, rxs, true); - ieee80211_rx(ar->hw, msdu); + ieee80211_rx(ath12k_ar_to_hw(ar), msdu); return -EINVAL; } @@ -2847,7 +3256,7 @@ static void ath12k_dp_rx_h_undecap_frag(struct ath12k *ar, struct sk_buff *msdu, struct ieee80211_hdr *hdr; size_t hdr_len; size_t crypto_len; - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; if (!flags) return; @@ -2885,7 +3294,7 @@ static int ath12k_dp_rx_h_defrag(struct ath12k *ar, bool is_decrypted = false; int msdu_len = 0; int extra_space; - u32 flags, hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 flags, hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; first_frag = skb_peek(&rx_tid->rx_frags); last_frag = skb_peek_tail(&rx_tid->rx_frags); @@ -2956,12 +3365,13 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, struct hal_srng *srng; dma_addr_t link_paddr, buf_paddr; u32 desc_bank, msdu_info, msdu_ext_info, mpdu_info; - u32 cookie, hal_rx_desc_sz, dest_ring_info0; + u32 cookie, hal_rx_desc_sz, dest_ring_info0, queue_addr_hi; int ret; struct ath12k_rx_desc_info *desc_info; + enum hal_rx_buf_return_buf_manager idle_link_rbm = dp->idle_link_rbm; u8 dst_ind; - hal_rx_desc_sz = ab->hw_params->hal_desc_sz; + hal_rx_desc_sz = ab->hal.hal_desc_sz; link_desc_banks = dp->link_desc_banks; reo_dest_ring = rx_tid->dst_ring_desc; @@ -2992,7 +3402,7 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, buf_paddr = dma_map_single(ab->dev, defrag_skb->data, defrag_skb->len + skb_tailroom(defrag_skb), - DMA_FROM_DEVICE); + DMA_TO_DEVICE); if (dma_mapping_error(ab->dev, buf_paddr)) return -ENOMEM; @@ -3008,9 +3418,9 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, } desc_info->skb = defrag_skb; + desc_info->in_use = true; list_del(&desc_info->list); - list_add_tail(&desc_info->list, &dp->rx_desc_used_list); spin_unlock_bh(&dp->rx_desc_lock); ATH12K_SKB_RXCB(defrag_skb)->paddr = buf_paddr; @@ -3019,7 +3429,7 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, desc_info->cookie, HAL_RX_BUF_RBM_SW3_BM); - /* Fill mpdu details into reo entrace ring */ + /* Fill mpdu details into reo entrance ring */ srng = &ab->hal.srng_list[dp->reo_reinject_ring.ring_id]; spin_lock_bh(&srng->lock); @@ -3036,7 +3446,7 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, ath12k_hal_rx_buf_addr_info_set(&reo_ent_ring->buf_addr_info, link_paddr, cookie, - HAL_RX_BUF_RBM_WBM_CHIP0_IDLE_DESC_LIST); + idle_link_rbm); mpdu_info = u32_encode_bits(1, RX_MPDU_DESC_INFO0_MSDU_COUNT) | u32_encode_bits(0, RX_MPDU_DESC_INFO0_FRAG_FLAG) | @@ -3048,13 +3458,18 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, reo_ent_ring->rx_mpdu_info.peer_meta_data = reo_dest_ring->rx_mpdu_info.peer_meta_data; - /* Firmware expects physical address to be filled in queue_addr_lo in - * the MLO scenario and in case of non MLO peer meta data needs to be - * filled. - * TODO: Need to handle for MLO scenario. - */ - reo_ent_ring->queue_addr_lo = reo_dest_ring->rx_mpdu_info.peer_meta_data; - reo_ent_ring->info0 = le32_encode_bits(dst_ind, + if (ab->hw_params->reoq_lut_support) { + reo_ent_ring->queue_addr_lo = reo_dest_ring->rx_mpdu_info.peer_meta_data; + queue_addr_hi = 0; + } else { + reo_ent_ring->queue_addr_lo = + cpu_to_le32(lower_32_bits(rx_tid->qbuf.paddr_aligned)); + queue_addr_hi = upper_32_bits(rx_tid->qbuf.paddr_aligned); + } + + reo_ent_ring->info0 = le32_encode_bits(queue_addr_hi, + HAL_REO_ENTR_RING_INFO0_QUEUE_ADDR_HI) | + le32_encode_bits(dst_ind, HAL_REO_ENTR_RING_INFO0_DEST_IND); reo_ent_ring->info1 = le32_encode_bits(rx_tid->cur_sn, @@ -3072,13 +3487,13 @@ static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar, err_free_desc: spin_lock_bh(&dp->rx_desc_lock); - list_del(&desc_info->list); - list_add_tail(&desc_info->list, &dp->rx_desc_free_list); + desc_info->in_use = false; desc_info->skb = NULL; + list_add_tail(&desc_info->list, &dp->rx_desc_free_list); spin_unlock_bh(&dp->rx_desc_lock); err_unmap_dma: dma_unmap_single(ab->dev, buf_paddr, defrag_skb->len + skb_tailroom(defrag_skb), - DMA_FROM_DEVICE); + DMA_TO_DEVICE); return ret; } @@ -3115,7 +3530,7 @@ static u64 ath12k_dp_rx_h_get_pn(struct ath12k *ar, struct sk_buff *skb) struct ieee80211_hdr *hdr; u64 pn = 0; u8 *ehdr; - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; hdr = (struct ieee80211_hdr *)(skb->data + hal_rx_desc_sz); ehdr = skb->data + hal_rx_desc_sz + ieee80211_hdrlen(hdr->frame_control); @@ -3206,6 +3621,14 @@ static int ath12k_dp_rx_frag_h_mpdu(struct ath12k *ar, ret = -ENOENT; goto out_unlock; } + + if (!peer->dp_setup_done) { + ath12k_warn(ab, "The peer %pM [%d] has uninitialized datapath\n", + peer->addr, peer_id); + ret = -ENOENT; + goto out_unlock; + } + rx_tid = &peer->rx_tid[tid]; if ((!skb_queue_empty(&rx_tid->rx_frags) && seqno != rx_tid->cur_sn) || @@ -3221,7 +3644,7 @@ static int ath12k_dp_rx_frag_h_mpdu(struct ath12k *ar, goto out_unlock; } - if (frag_no > __fls(rx_tid->rx_frag_bitmap)) + if ((!rx_tid->rx_frag_bitmap || frag_no > __fls(rx_tid->rx_frag_bitmap))) __skb_queue_tail(&rx_tid->rx_frags, msdu); else ath12k_dp_rx_h_sort_frags(ab, &rx_tid->rx_frags, msdu); @@ -3239,7 +3662,7 @@ static int ath12k_dp_rx_frag_h_mpdu(struct ath12k *ar, goto out_unlock; } } else { - ath12k_dp_rx_link_desc_return(ab, ring_desc, + ath12k_dp_rx_link_desc_return(ab, &ring_desc->buf_addr_info, HAL_WBM_REL_BM_ACT_PUT_IN_IDLE); } @@ -3251,7 +3674,7 @@ static int ath12k_dp_rx_frag_h_mpdu(struct ath12k *ar, } spin_unlock_bh(&ab->base_lock); - del_timer_sync(&rx_tid->frag_timer); + timer_delete_sync(&rx_tid->frag_timer); spin_lock_bh(&ab->base_lock); peer = ath12k_peer_find_by_id(ab, peer_id); @@ -3283,6 +3706,7 @@ out_unlock: static int ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, + struct list_head *used_list, bool drop, u32 cookie) { struct ath12k_base *ab = ar->ab; @@ -3290,7 +3714,7 @@ ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, struct ath12k_skb_rxcb *rxcb; struct hal_rx_desc *rx_desc; u16 msdu_len; - u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ab->hal.hal_desc_sz; struct ath12k_rx_desc_info *desc_info; u64 desc_va; @@ -3302,7 +3726,8 @@ ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, if (!desc_info) { desc_info = ath12k_dp_get_rx_desc(ab, cookie); if (!desc_info) { - ath12k_warn(ab, "Invalid cookie in manual desc retrieval"); + ath12k_warn(ab, "Invalid cookie in DP rx error descriptor retrieval: 0x%x\n", + cookie); return -EINVAL; } } @@ -3312,9 +3737,8 @@ ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, msdu = desc_info->skb; desc_info->skb = NULL; - spin_lock_bh(&ab->dp.rx_desc_lock); - list_move_tail(&desc_info->list, &ab->dp.rx_desc_free_list); - spin_unlock_bh(&ab->dp.rx_desc_lock); + + list_add_tail(&desc_info->list, used_list); rxcb = ATH12K_SKB_RXCB(msdu); dma_unmap_single(ar->ab->dev, rxcb->paddr, @@ -3332,7 +3756,7 @@ ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, goto exit; } - if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) { + if (test_bit(ATH12K_FLAG_CAC_RUNNING, &ar->dev_flags)) { dev_kfree_skb_any(msdu); goto exit; } @@ -3351,7 +3775,7 @@ ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc, if (ath12k_dp_rx_frag_h_mpdu(ar, msdu, desc)) { dev_kfree_skb_any(msdu); - ath12k_dp_rx_link_desc_return(ar->ab, desc, + ath12k_dp_rx_link_desc_return(ar->ab, &desc->buf_addr_info, HAL_WBM_REL_BM_ACT_PUT_IN_IDLE); } exit: @@ -3359,10 +3783,57 @@ exit: return 0; } +static int ath12k_dp_h_msdu_buffer_type(struct ath12k_base *ab, + struct list_head *list, + struct hal_reo_dest_ring *desc) +{ + struct ath12k_rx_desc_info *desc_info; + struct ath12k_skb_rxcb *rxcb; + struct sk_buff *msdu; + u64 desc_va; + + ab->device_stats.reo_excep_msdu_buf_type++; + + desc_va = (u64)le32_to_cpu(desc->buf_va_hi) << 32 | + le32_to_cpu(desc->buf_va_lo); + desc_info = (struct ath12k_rx_desc_info *)(uintptr_t)desc_va; + if (!desc_info) { + u32 cookie; + + cookie = le32_get_bits(desc->buf_addr_info.info1, + BUFFER_ADDR_INFO1_SW_COOKIE); + desc_info = ath12k_dp_get_rx_desc(ab, cookie); + if (!desc_info) { + ath12k_warn(ab, "Invalid cookie in manual descriptor retrieval: 0x%x\n", + cookie); + return -EINVAL; + } + } + + if (desc_info->magic != ATH12K_DP_RX_DESC_MAGIC) { + ath12k_warn(ab, "rx exception, magic check failed with value: %u\n", + desc_info->magic); + return -EINVAL; + } + + msdu = desc_info->skb; + desc_info->skb = NULL; + list_add_tail(&desc_info->list, list); + rxcb = ATH12K_SKB_RXCB(msdu); + dma_unmap_single(ab->dev, rxcb->paddr, msdu->len + skb_tailroom(msdu), + DMA_FROM_DEVICE); + dev_kfree_skb_any(msdu); + + return 0; +} + int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi, int budget) { + struct ath12k_hw_group *ag = ab->ag; + struct list_head rx_desc_used_list[ATH12K_MAX_DEVICES]; u32 msdu_cookies[HAL_NUM_RX_MSDUS_PER_LINK_DESC]; + int num_buffs_reaped[ATH12K_MAX_DEVICES] = {}; struct dp_link_desc_bank *link_desc_banks; enum hal_rx_buf_return_buf_manager rbm; struct hal_rx_msdu_link *link_desc_va; @@ -3370,21 +3841,24 @@ int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi, struct hal_reo_dest_ring *reo_desc; struct dp_rxdma_ring *rx_ring; struct dp_srng *reo_except; + struct ath12k_hw_link *hw_links = ag->hw_links; + struct ath12k_base *partner_ab; + u8 hw_link_id, device_id; u32 desc_bank, num_msdus; struct hal_srng *srng; - struct ath12k_dp *dp; - int mac_id; struct ath12k *ar; dma_addr_t paddr; bool is_frag; - bool drop = false; + bool drop; + int pdev_id; tot_n_bufs_reaped = 0; quota = budget; - dp = &ab->dp; - reo_except = &dp->reo_except_ring; - link_desc_banks = dp->link_desc_banks; + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) + INIT_LIST_HEAD(&rx_desc_used_list[device_id]); + + reo_except = &ab->dp.reo_except_ring; srng = &ab->hal.srng_list[reo_except->ring_id]; @@ -3394,7 +3868,29 @@ int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi, while (budget && (reo_desc = ath12k_hal_srng_dst_get_next_entry(ab, srng))) { - ab->soc_stats.err_ring_pkts++; + drop = false; + ab->device_stats.err_ring_pkts++; + + hw_link_id = le32_get_bits(reo_desc->info0, + HAL_REO_DEST_RING_INFO0_SRC_LINK_ID); + device_id = hw_links[hw_link_id].device_id; + partner_ab = ath12k_ag_to_ab(ag, device_id); + + /* Below case is added to handle data packet from un-associated clients. + * As it is expected that AST lookup will fail for + * un-associated station's data packets. + */ + if (le32_get_bits(reo_desc->info0, HAL_REO_DEST_RING_INFO0_BUFFER_TYPE) == + HAL_REO_DEST_RING_BUFFER_TYPE_MSDU) { + if (!ath12k_dp_h_msdu_buffer_type(partner_ab, + &rx_desc_used_list[device_id], + reo_desc)) { + num_buffs_reaped[device_id]++; + tot_n_bufs_reaped++; + } + goto next_desc; + } + ret = ath12k_hal_desc_reo_parse_err(ab, reo_desc, &paddr, &desc_bank); if (ret) { @@ -3402,16 +3898,23 @@ int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi, ret); continue; } + + pdev_id = ath12k_hw_mac_id_to_pdev_id(partner_ab->hw_params, + hw_links[hw_link_id].pdev_idx); + ar = partner_ab->pdevs[pdev_id].ar; + + link_desc_banks = partner_ab->dp.link_desc_banks; link_desc_va = link_desc_banks[desc_bank].vaddr + (paddr - link_desc_banks[desc_bank].paddr); ath12k_hal_rx_msdu_link_info_get(link_desc_va, &num_msdus, msdu_cookies, &rbm); - if (rbm != HAL_RX_BUF_RBM_WBM_CHIP0_IDLE_DESC_LIST && + if (rbm != partner_ab->dp.idle_link_rbm && rbm != HAL_RX_BUF_RBM_SW3_BM && - rbm != ab->hw_params->hal_params->rx_buf_rbm) { - ab->soc_stats.invalid_rbm++; + rbm != partner_ab->hw_params->hal_params->rx_buf_rbm) { + ab->device_stats.invalid_rbm++; ath12k_warn(ab, "invalid return buffer manager %d\n", rbm); - ath12k_dp_rx_link_desc_return(ab, reo_desc, + ath12k_dp_rx_link_desc_return(partner_ab, + &reo_desc->buf_addr_info, HAL_WBM_REL_BM_ACT_REL_MSDU); continue; } @@ -3421,25 +3924,30 @@ int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi, /* Process only rx fragments with one msdu per link desc below, and drop * msdu's indicated due to error reasons. + * Dynamic fragmentation not supported in Multi-link client, so drop the + * partner device buffers. */ - if (!is_frag || num_msdus > 1) { + if (!is_frag || num_msdus > 1 || + partner_ab->device_id != ab->device_id) { drop = true; + /* Return the link desc back to wbm idle list */ - ath12k_dp_rx_link_desc_return(ab, reo_desc, + ath12k_dp_rx_link_desc_return(partner_ab, + &reo_desc->buf_addr_info, HAL_WBM_REL_BM_ACT_PUT_IN_IDLE); } for (i = 0; i < num_msdus; i++) { - mac_id = le32_get_bits(reo_desc->info0, - HAL_REO_DEST_RING_INFO0_SRC_LINK_ID); - - ar = ab->pdevs[mac_id].ar; - - if (!ath12k_dp_process_rx_err_buf(ar, reo_desc, drop, - msdu_cookies[i])) + if (!ath12k_dp_process_rx_err_buf(ar, reo_desc, + &rx_desc_used_list[device_id], + drop, + msdu_cookies[i])) { + num_buffs_reaped[device_id]++; tot_n_bufs_reaped++; + } } +next_desc: if (tot_n_bufs_reaped >= quota) { tot_n_bufs_reaped = quota; goto exit; @@ -3453,10 +3961,17 @@ exit: spin_unlock_bh(&srng->lock); - rx_ring = &dp->rx_refill_buf_ring; + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) { + if (!num_buffs_reaped[device_id]) + continue; - ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, tot_n_bufs_reaped, - ab->hw_params->hal_params->rx_buf_rbm, true); + partner_ab = ath12k_ag_to_ab(ag, device_id); + rx_ring = &partner_ab->dp.rx_refill_buf_ring; + + ath12k_dp_rx_bufs_replenish(partner_ab, rx_ring, + &rx_desc_used_list[device_id], + num_buffs_reaped[device_id]); + } return tot_n_bufs_reaped; } @@ -3470,7 +3985,7 @@ static void ath12k_dp_rx_null_q_desc_sg_drop(struct ath12k *ar, int n_buffs; n_buffs = DIV_ROUND_UP(msdu_len, - (DP_RX_BUFFER_SIZE - ar->ab->hw_params->hal_desc_sz)); + (DP_RX_BUFFER_SIZE - ar->ab->hal.hal_desc_sz)); skb_queue_walk_safe(msdu_list, skb, tmp) { rxcb = ATH12K_SKB_RXCB(skb); @@ -3486,27 +4001,17 @@ static void ath12k_dp_rx_null_q_desc_sg_drop(struct ath12k *ar, } static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status, + struct ath12k_dp_rx_info *rx_info, struct sk_buff_head *msdu_list) { struct ath12k_base *ab = ar->ab; - u16 msdu_len, peer_id; + u16 msdu_len; struct hal_rx_desc *desc = (struct hal_rx_desc *)msdu->data; u8 l3pad_bytes; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; msdu_len = ath12k_dp_rx_h_msdu_len(ab, desc); - peer_id = ath12k_dp_rx_h_peer_id(ab, desc); - - spin_lock(&ab->base_lock); - if (!ath12k_peer_find_by_id(ab, peer_id)) { - spin_unlock(&ab->base_lock); - ath12k_dbg(ab, ATH12K_DBG_DATA, "invalid peer id received in wbm err pkt%d\n", - peer_id); - return -EINVAL; - } - spin_unlock(&ab->base_lock); if (!rxcb->is_frag && ((msdu_len + hal_rx_desc_sz) > DP_RX_BUFFER_SIZE)) { /* First buffer will be freed by the caller, so deduct it's length */ @@ -3549,11 +4054,14 @@ static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, skb_put(msdu, hal_rx_desc_sz + l3pad_bytes + msdu_len); skb_pull(msdu, hal_rx_desc_sz + l3pad_bytes); } - ath12k_dp_rx_h_ppdu(ar, desc, status); + if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, desc, msdu))) + return -EINVAL; - ath12k_dp_rx_h_mpdu(ar, msdu, desc, status); + ath12k_dp_rx_h_fetch_info(ab, desc, rx_info); + ath12k_dp_rx_h_ppdu(ar, rx_info); + ath12k_dp_rx_h_mpdu(ar, msdu, desc, rx_info); - rxcb->tid = ath12k_dp_rx_h_tid(ab, desc); + rxcb->tid = rx_info->tid; /* Please note that caller will having the access to msdu and completing * rx with mac80211. Need not worry about cleaning up amsdu_list. @@ -3563,17 +4071,17 @@ static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu, } static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status, + struct ath12k_dp_rx_info *rx_info, struct sk_buff_head *msdu_list) { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); bool drop = false; - ar->ab->soc_stats.reo_error[rxcb->err_code]++; + ar->ab->device_stats.reo_error[rxcb->err_code]++; switch (rxcb->err_code) { case HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO: - if (ath12k_dp_rx_h_null_q_desc(ar, msdu, status, msdu_list)) + if (ath12k_dp_rx_h_null_q_desc(ar, msdu, rx_info, msdu_list)) drop = true; break; case HAL_REO_DEST_RING_ERROR_CODE_PN_CHECK_FAILED: @@ -3593,35 +4101,48 @@ static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu, return drop; } -static void ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status) +static bool ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu, + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; u16 msdu_len; struct hal_rx_desc *desc = (struct hal_rx_desc *)msdu->data; u8 l3pad_bytes; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ar->ab->hal.hal_desc_sz; rxcb->is_first_msdu = ath12k_dp_rx_h_first_msdu(ab, desc); rxcb->is_last_msdu = ath12k_dp_rx_h_last_msdu(ab, desc); l3pad_bytes = ath12k_dp_rx_h_l3pad(ab, desc); msdu_len = ath12k_dp_rx_h_msdu_len(ab, desc); + + if ((hal_rx_desc_sz + l3pad_bytes + msdu_len) > DP_RX_BUFFER_SIZE) { + ath12k_dbg(ab, ATH12K_DBG_DATA, + "invalid msdu len in tkip mic err %u\n", msdu_len); + ath12k_dbg_dump(ab, ATH12K_DBG_DATA, NULL, "", desc, + sizeof(*desc)); + return true; + } + skb_put(msdu, hal_rx_desc_sz + l3pad_bytes + msdu_len); skb_pull(msdu, hal_rx_desc_sz + l3pad_bytes); - ath12k_dp_rx_h_ppdu(ar, desc, status); + if (unlikely(!ath12k_dp_rx_check_nwifi_hdr_len_valid(ab, desc, msdu))) + return true; + + ath12k_dp_rx_h_ppdu(ar, rx_info); - status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR | - RX_FLAG_DECRYPTED); + rx_info->rx_status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR | + RX_FLAG_DECRYPTED); ath12k_dp_rx_h_undecap(ar, msdu, desc, - HAL_ENCRYPT_TYPE_TKIP_MIC, status, false); + HAL_ENCRYPT_TYPE_TKIP_MIC, rx_info->rx_status, false); + return false; } static bool ath12k_dp_rx_h_rxdma_err(struct ath12k *ar, struct sk_buff *msdu, - struct ieee80211_rx_status *status) + struct ath12k_dp_rx_info *rx_info) { struct ath12k_base *ab = ar->ab; struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); @@ -3629,14 +4150,15 @@ static bool ath12k_dp_rx_h_rxdma_err(struct ath12k *ar, struct sk_buff *msdu, bool drop = false; u32 err_bitmap; - ar->ab->soc_stats.rxdma_error[rxcb->err_code]++; + ar->ab->device_stats.rxdma_error[rxcb->err_code]++; switch (rxcb->err_code) { case HAL_REO_ENTR_RING_RXDMA_ECODE_DECRYPT_ERR: case HAL_REO_ENTR_RING_RXDMA_ECODE_TKIP_MIC_ERR: err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, rx_desc); if (err_bitmap & HAL_RX_MPDU_ERR_TKIP_MIC) { - ath12k_dp_rx_h_tkip_mic_err(ar, msdu, status); + ath12k_dp_rx_h_fetch_info(ab, rx_desc, rx_info); + drop = ath12k_dp_rx_h_tkip_mic_err(ar, msdu, rx_info); break; } fallthrough; @@ -3657,15 +4179,19 @@ static void ath12k_dp_rx_wbm_err(struct ath12k *ar, struct sk_buff_head *msdu_list) { struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu); - struct ieee80211_rx_status rxs = {0}; + struct ieee80211_rx_status rxs = {}; + struct ath12k_dp_rx_info rx_info; bool drop = true; + rx_info.addr2_present = false; + rx_info.rx_status = &rxs; + switch (rxcb->err_rel_src) { case HAL_WBM_REL_SRC_MODULE_REO: - drop = ath12k_dp_rx_h_reo_err(ar, msdu, &rxs, msdu_list); + drop = ath12k_dp_rx_h_reo_err(ar, msdu, &rx_info, msdu_list); break; case HAL_WBM_REL_SRC_MODULE_RXDMA: - drop = ath12k_dp_rx_h_rxdma_err(ar, msdu, &rxs); + drop = ath12k_dp_rx_h_rxdma_err(ar, msdu, &rx_info); break; default: /* msdu will get freed */ @@ -3677,32 +4203,42 @@ static void ath12k_dp_rx_wbm_err(struct ath12k *ar, return; } - ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rxs); + rx_info.rx_status->flag |= RX_FLAG_SKIP_MONITOR; + + ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_info); } int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab, struct napi_struct *napi, int budget) { + struct list_head rx_desc_used_list[ATH12K_MAX_DEVICES]; + struct ath12k_hw_group *ag = ab->ag; struct ath12k *ar; struct ath12k_dp *dp = &ab->dp; struct dp_rxdma_ring *rx_ring; struct hal_rx_wbm_rel_info err_info; struct hal_srng *srng; struct sk_buff *msdu; - struct sk_buff_head msdu_list[MAX_RADIOS]; + struct sk_buff_head msdu_list, scatter_msdu_list; struct ath12k_skb_rxcb *rxcb; void *rx_desc; - int mac_id; - int num_buffs_reaped = 0; + int num_buffs_reaped[ATH12K_MAX_DEVICES] = {}; + int total_num_buffs_reaped = 0; struct ath12k_rx_desc_info *desc_info; - int ret, i; + struct ath12k_device_dp_stats *device_stats = &ab->device_stats; + struct ath12k_hw_link *hw_links = ag->hw_links; + struct ath12k_base *partner_ab; + u8 hw_link_id, device_id; + int ret, pdev_id; + struct hal_rx_desc *msdu_data; - for (i = 0; i < ab->num_radios; i++) - __skb_queue_head_init(&msdu_list[i]); + __skb_queue_head_init(&msdu_list); + __skb_queue_head_init(&scatter_msdu_list); - srng = &ab->hal.srng_list[dp->rx_rel_ring.ring_id]; - rx_ring = &dp->rx_refill_buf_ring; + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) + INIT_LIST_HEAD(&rx_desc_used_list[device_id]); + srng = &ab->hal.srng_list[dp->rx_rel_ring.ring_id]; spin_lock_bh(&srng->lock); ath12k_hal_srng_access_begin(ab, srng); @@ -3720,38 +4256,45 @@ int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab, continue; } - desc_info = (struct ath12k_rx_desc_info *)err_info.rx_desc; + desc_info = err_info.rx_desc; /* retry manual desc retrieval if hw cc is not done */ if (!desc_info) { desc_info = ath12k_dp_get_rx_desc(ab, err_info.cookie); if (!desc_info) { - ath12k_warn(ab, "Invalid cookie in manual desc retrieval"); + ath12k_warn(ab, "Invalid cookie in DP WBM rx error descriptor retrieval: 0x%x\n", + err_info.cookie); continue; } } - /* FIXME: Extract mac id correctly. Since descs are not tied - * to mac, we can extract from vdev id in ring desc. - */ - mac_id = 0; - if (desc_info->magic != ATH12K_DP_RX_DESC_MAGIC) ath12k_warn(ab, "WBM RX err, Check HW CC implementation"); msdu = desc_info->skb; desc_info->skb = NULL; - spin_lock_bh(&dp->rx_desc_lock); - list_move_tail(&desc_info->list, &dp->rx_desc_free_list); - spin_unlock_bh(&dp->rx_desc_lock); + device_id = desc_info->device_id; + partner_ab = ath12k_ag_to_ab(ag, device_id); + if (unlikely(!partner_ab)) { + dev_kfree_skb_any(msdu); + + /* In any case continuation bit is set + * in the previous record, cleanup scatter_msdu_list + */ + ath12k_dp_clean_up_skb_list(&scatter_msdu_list); + continue; + } + + list_add_tail(&desc_info->list, &rx_desc_used_list[device_id]); rxcb = ATH12K_SKB_RXCB(msdu); - dma_unmap_single(ab->dev, rxcb->paddr, + dma_unmap_single(partner_ab->dev, rxcb->paddr, msdu->len + skb_tailroom(msdu), DMA_FROM_DEVICE); - num_buffs_reaped++; + num_buffs_reaped[device_id]++; + total_num_buffs_reaped++; if (!err_info.continuation) budget--; @@ -3762,46 +4305,111 @@ int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab, continue; } + msdu_data = (struct hal_rx_desc *)msdu->data; rxcb->err_rel_src = err_info.err_rel_src; rxcb->err_code = err_info.err_code; - rxcb->rx_desc = (struct hal_rx_desc *)msdu->data; - __skb_queue_tail(&msdu_list[mac_id], msdu); - rxcb->is_first_msdu = err_info.first_msdu; rxcb->is_last_msdu = err_info.last_msdu; rxcb->is_continuation = err_info.continuation; + rxcb->rx_desc = msdu_data; + + if (err_info.continuation) { + __skb_queue_tail(&scatter_msdu_list, msdu); + continue; + } + + hw_link_id = ath12k_dp_rx_get_msdu_src_link(partner_ab, + msdu_data); + if (hw_link_id >= ATH12K_GROUP_MAX_RADIO) { + dev_kfree_skb_any(msdu); + + /* In any case continuation bit is set + * in the previous record, cleanup scatter_msdu_list + */ + ath12k_dp_clean_up_skb_list(&scatter_msdu_list); + continue; + } + + if (!skb_queue_empty(&scatter_msdu_list)) { + struct sk_buff *msdu; + + skb_queue_walk(&scatter_msdu_list, msdu) { + rxcb = ATH12K_SKB_RXCB(msdu); + rxcb->hw_link_id = hw_link_id; + } + + skb_queue_splice_tail_init(&scatter_msdu_list, + &msdu_list); + } + + rxcb = ATH12K_SKB_RXCB(msdu); + rxcb->hw_link_id = hw_link_id; + __skb_queue_tail(&msdu_list, msdu); } + /* In any case continuation bit is set in the + * last record, cleanup scatter_msdu_list + */ + ath12k_dp_clean_up_skb_list(&scatter_msdu_list); + ath12k_hal_srng_access_end(ab, srng); spin_unlock_bh(&srng->lock); - if (!num_buffs_reaped) + if (!total_num_buffs_reaped) goto done; - ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, num_buffs_reaped, - ab->hw_params->hal_params->rx_buf_rbm, true); + for (device_id = 0; device_id < ATH12K_MAX_DEVICES; device_id++) { + if (!num_buffs_reaped[device_id]) + continue; + + partner_ab = ath12k_ag_to_ab(ag, device_id); + rx_ring = &partner_ab->dp.rx_refill_buf_ring; + + ath12k_dp_rx_bufs_replenish(ab, rx_ring, + &rx_desc_used_list[device_id], + num_buffs_reaped[device_id]); + } rcu_read_lock(); - for (i = 0; i < ab->num_radios; i++) { - if (!rcu_dereference(ab->pdevs_active[i])) { - __skb_queue_purge(&msdu_list[i]); + while ((msdu = __skb_dequeue(&msdu_list))) { + rxcb = ATH12K_SKB_RXCB(msdu); + hw_link_id = rxcb->hw_link_id; + + device_id = hw_links[hw_link_id].device_id; + partner_ab = ath12k_ag_to_ab(ag, device_id); + if (unlikely(!partner_ab)) { + ath12k_dbg(ab, ATH12K_DBG_DATA, + "Unable to process WBM error msdu due to invalid hw link id %d device id %d\n", + hw_link_id, device_id); + dev_kfree_skb_any(msdu); continue; } - ar = ab->pdevs[i].ar; + pdev_id = ath12k_hw_mac_id_to_pdev_id(partner_ab->hw_params, + hw_links[hw_link_id].pdev_idx); + ar = partner_ab->pdevs[pdev_id].ar; - if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) { - __skb_queue_purge(&msdu_list[i]); + if (!ar || !rcu_dereference(ar->ab->pdevs_active[pdev_id])) { + dev_kfree_skb_any(msdu); continue; } - while ((msdu = __skb_dequeue(&msdu_list[i])) != NULL) - ath12k_dp_rx_wbm_err(ar, napi, msdu, &msdu_list[i]); + if (test_bit(ATH12K_FLAG_CAC_RUNNING, &ar->dev_flags)) { + dev_kfree_skb_any(msdu); + continue; + } + + if (rxcb->err_rel_src < HAL_WBM_REL_SRC_MODULE_MAX) { + device_id = ar->ab->device_id; + device_stats->rx_wbm_rel_source[rxcb->err_rel_src][device_id]++; + } + + ath12k_dp_rx_wbm_err(ar, napi, msdu, &msdu_list); } rcu_read_unlock(); done: - return num_buffs_reaped; + return total_num_buffs_reaped; } void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab) @@ -3823,7 +4431,7 @@ void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab) ath12k_hal_srng_access_begin(ab, srng); while ((hdr = ath12k_hal_srng_dst_get_next_entry(ab, srng))) { - tag = u64_get_bits(hdr->tl, HAL_SRNG_TLV_HDR_TAG); + tag = le64_get_bits(hdr->tl, HAL_SRNG_TLV_HDR_TAG); switch (tag) { case HAL_REO_GET_QUEUE_STATS_STATUS: @@ -3886,20 +4494,24 @@ void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab) void ath12k_dp_rx_free(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; + struct dp_srng *srng; int i; ath12k_dp_srng_cleanup(ab, &dp->rx_refill_buf_ring.refill_buf_ring); - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { if (ab->hw_params->rx_mac_buf_ring) ath12k_dp_srng_cleanup(ab, &dp->rx_mac_buf_ring[i]); + if (!ab->hw_params->rxdma1_enable) { + srng = &dp->rx_mon_status_refill_ring[i].refill_buf_ring; + ath12k_dp_srng_cleanup(ab, srng); + } } for (i = 0; i < ab->hw_params->num_rxdma_dst_ring; i++) ath12k_dp_srng_cleanup(ab, &dp->rxdma_err_dst_ring[i]); ath12k_dp_srng_cleanup(ab, &dp->rxdma_mon_buf_ring.refill_buf_ring); - ath12k_dp_srng_cleanup(ab, &dp->tx_mon_buf_ring.refill_buf_ring); ath12k_dp_rxdma_buf_free(ab); } @@ -3914,10 +4526,10 @@ void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int mac_id) int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; - struct htt_rx_ring_tlv_filter tlv_filter = {0}; + struct htt_rx_ring_tlv_filter tlv_filter = {}; u32 ring_id; int ret; - u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz; + u32 hal_rx_desc_sz = ab->hal.hal_desc_sz; ring_id = dp->rx_refill_buf_ring.refill_buf_ring.ring_id; @@ -3930,14 +4542,20 @@ int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab) tlv_filter.rx_packet_offset = hal_rx_desc_sz; tlv_filter.rx_mpdu_start_offset = - ab->hw_params->hal_ops->rx_desc_get_mpdu_start_offset(); + ab->hal_rx_ops->rx_desc_get_mpdu_start_offset(); tlv_filter.rx_msdu_end_offset = - ab->hw_params->hal_ops->rx_desc_get_msdu_end_offset(); + ab->hal_rx_ops->rx_desc_get_msdu_end_offset(); + + if (ath12k_dp_wmask_compaction_rx_tlv_supported(ab)) { + tlv_filter.rx_mpdu_start_wmask = + ab->hw_params->hal_ops->rxdma_ring_wmask_rx_mpdu_start(); + tlv_filter.rx_msdu_end_wmask = + ab->hw_params->hal_ops->rxdma_ring_wmask_rx_msdu_end(); + ath12k_dbg(ab, ATH12K_DBG_DATA, + "Configuring compact tlv masks rx_mpdu_start_wmask 0x%x rx_msdu_end_wmask 0x%x\n", + tlv_filter.rx_mpdu_start_wmask, tlv_filter.rx_msdu_end_wmask); + } - /* TODO: Selectively subscribe to required qwords within msdu_end - * and mpdu_start and setup the mask in below msg - * and modify the rx_desc struct - */ ret = ath12k_dp_tx_htt_rx_filter_setup(ab, ring_id, 0, HAL_RXDMA_BUF, DP_RXDMA_REFILL_RING_SIZE, @@ -3949,10 +4567,10 @@ int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab) int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; - struct htt_rx_ring_tlv_filter tlv_filter = {0}; + struct htt_rx_ring_tlv_filter tlv_filter = {}; u32 ring_id; - int ret; - u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz; + int ret = 0; + u32 hal_rx_desc_sz = ab->hal.hal_desc_sz; int i; ring_id = dp->rx_refill_buf_ring.refill_buf_ring.ring_id; @@ -3968,16 +4586,16 @@ int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab) tlv_filter.rx_header_offset = offsetof(struct hal_rx_desc_wcn7850, pkt_hdr_tlv); tlv_filter.rx_mpdu_start_offset = - ab->hw_params->hal_ops->rx_desc_get_mpdu_start_offset(); + ab->hal_rx_ops->rx_desc_get_mpdu_start_offset(); tlv_filter.rx_msdu_end_offset = - ab->hw_params->hal_ops->rx_desc_get_msdu_end_offset(); + ab->hal_rx_ops->rx_desc_get_msdu_end_offset(); /* TODO: Selectively subscribe to required qwords within msdu_end * and mpdu_start and setup the mask in below msg * and modify the rx_desc struct */ - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { ring_id = dp->rx_mac_buf_ring[i].ring_id; ret = ath12k_dp_tx_htt_rx_filter_setup(ab, ring_id, i, HAL_RXDMA_BUF, @@ -4004,7 +4622,7 @@ int ath12k_dp_rx_htt_setup(struct ath12k_base *ab) } if (ab->hw_params->rx_mac_buf_ring) { - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { ring_id = dp->rx_mac_buf_ring[i].ring_id; ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, i, HAL_RXDMA_BUF); @@ -4036,14 +4654,18 @@ int ath12k_dp_rx_htt_setup(struct ath12k_base *ab) ret); return ret; } - - ring_id = dp->tx_mon_buf_ring.refill_buf_ring.ring_id; - ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, - 0, HAL_TX_MONITOR_BUF); - if (ret) { - ath12k_warn(ab, "failed to configure rxdma_mon_buf_ring %d\n", - ret); - return ret; + } else { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { + ring_id = + dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id; + ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, i, + HAL_RXDMA_MONITOR_STATUS); + if (ret) { + ath12k_warn(ab, + "failed to configure mon_status_refill_ring%d %d\n", + i, ret); + return ret; + } } } @@ -4059,17 +4681,12 @@ int ath12k_dp_rx_htt_setup(struct ath12k_base *ab) int ath12k_dp_rx_alloc(struct ath12k_base *ab) { struct ath12k_dp *dp = &ab->dp; + struct dp_srng *srng; int i, ret; - idr_init(&dp->rx_refill_buf_ring.bufs_idr); - spin_lock_init(&dp->rx_refill_buf_ring.idr_lock); - idr_init(&dp->rxdma_mon_buf_ring.bufs_idr); spin_lock_init(&dp->rxdma_mon_buf_ring.idr_lock); - idr_init(&dp->tx_mon_buf_ring.bufs_idr); - spin_lock_init(&dp->tx_mon_buf_ring.idr_lock); - ret = ath12k_dp_srng_setup(ab, &dp->rx_refill_buf_ring.refill_buf_ring, HAL_RXDMA_BUF, 0, 0, @@ -4080,11 +4697,11 @@ int ath12k_dp_rx_alloc(struct ath12k_base *ab) } if (ab->hw_params->rx_mac_buf_ring) { - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { ret = ath12k_dp_srng_setup(ab, &dp->rx_mac_buf_ring[i], HAL_RXDMA_BUF, 1, - i, 1024); + i, DP_RX_MAC_BUF_RING_SIZE); if (ret) { ath12k_warn(ab, "failed to setup rx_mac_buf_ring %d\n", i); @@ -4107,19 +4724,27 @@ int ath12k_dp_rx_alloc(struct ath12k_base *ab) ret = ath12k_dp_srng_setup(ab, &dp->rxdma_mon_buf_ring.refill_buf_ring, HAL_RXDMA_MONITOR_BUF, 0, 0, - DP_RXDMA_MONITOR_BUF_RING_SIZE); + DP_RXDMA_MONITOR_BUF_RING_SIZE(ab)); if (ret) { ath12k_warn(ab, "failed to setup HAL_RXDMA_MONITOR_BUF\n"); return ret; } + } else { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { + idr_init(&dp->rx_mon_status_refill_ring[i].bufs_idr); + spin_lock_init(&dp->rx_mon_status_refill_ring[i].idr_lock); + } - ret = ath12k_dp_srng_setup(ab, - &dp->tx_mon_buf_ring.refill_buf_ring, - HAL_TX_MONITOR_BUF, 0, 0, - DP_TX_MONITOR_BUF_RING_SIZE); - if (ret) { - ath12k_warn(ab, "failed to setup DP_TX_MONITOR_BUF_RING_SIZE\n"); - return ret; + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { + srng = &dp->rx_mon_status_refill_ring[i].refill_buf_ring; + ret = ath12k_dp_srng_setup(ab, srng, + HAL_RXDMA_MONITOR_STATUS, 0, i, + DP_RXDMA_MON_STATUS_RING_SIZE); + if (ret) { + ath12k_warn(ab, "failed to setup mon status ring %d\n", + i); + return ret; + } } } @@ -4149,7 +4774,7 @@ int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int mac_id) return ret; } - for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) { + for (i = 0; i < ab->hw_params->num_rxdma_per_pdev; i++) { ring_id = dp->rxdma_mon_dst_ring[i].ring_id; ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, mac_id + i, @@ -4160,17 +4785,6 @@ int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int mac_id) i, ret); return ret; } - - ring_id = dp->tx_mon_dst_ring[i].ring_id; - ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, - mac_id + i, - HAL_TX_MONITOR_DST); - if (ret) { - ath12k_warn(ab, - "failed to configure tx_mon_dst_ring %d %d\n", - i, ret); - return ret; - } } out: return 0; @@ -4202,41 +4816,15 @@ int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar) return ret; } - /* if rxdma1_enable is false, no need to setup - * rxdma_mon_desc_ring. - */ - if (!ar->ab->hw_params->rxdma1_enable) - return 0; - pmon->mon_last_linkdesc_paddr = 0; pmon->mon_last_buf_cookie = DP_RX_DESC_COOKIE_MAX + 1; spin_lock_init(&pmon->mon_lock); - return 0; -} - -int ath12k_dp_rx_pktlog_start(struct ath12k_base *ab) -{ - /* start reap timer */ - mod_timer(&ab->mon_reap_timer, - jiffies + msecs_to_jiffies(ATH12K_MON_TIMER_INTERVAL)); - - return 0; -} - -int ath12k_dp_rx_pktlog_stop(struct ath12k_base *ab, bool stop_timer) -{ - int ret; - - if (stop_timer) - del_timer_sync(&ab->mon_reap_timer); + if (!ar->ab->hw_params->rxdma1_enable) + return 0; - /* reap all the monitor related rings */ - ret = ath12k_dp_purge_mon_ring(ab); - if (ret) { - ath12k_warn(ab, "failed to purge dp mon ring: %d\n", ret); - return ret; - } + INIT_LIST_HEAD(&pmon->dp_rx_mon_mpdu_list); + pmon->mon_mpdu = NULL; return 0; } |