264 lines
7.9 KiB
C
264 lines
7.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
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/*
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* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
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* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
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*/
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#ifndef ATH12K_DP_RX_H
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#define ATH12K_DP_RX_H
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#include "core.h"
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#include "debug.h"
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#define DP_MAX_NWIFI_HDR_LEN 30
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struct ath12k_reoq_buf {
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void *vaddr;
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dma_addr_t paddr_aligned;
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u32 size;
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};
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struct ath12k_dp_rx_tid {
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u8 tid;
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u32 ba_win_sz;
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struct ath12k_reoq_buf qbuf;
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/* Info related to rx fragments */
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u32 cur_sn;
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u16 last_frag_no;
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u16 rx_frag_bitmap;
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struct sk_buff_head rx_frags;
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struct hal_reo_dest_ring *dst_ring_desc;
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/* Timer info related to fragments */
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struct timer_list frag_timer;
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struct ath12k_dp *dp;
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};
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struct ath12k_dp_rx_tid_rxq {
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u8 tid;
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bool active;
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struct ath12k_reoq_buf qbuf;
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};
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struct ath12k_dp_rx_reo_cache_flush_elem {
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struct list_head list;
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struct ath12k_dp_rx_tid_rxq data;
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unsigned long ts;
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};
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struct dp_reo_update_rx_queue_elem {
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struct list_head list;
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struct ath12k_dp_rx_tid_rxq rx_tid;
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int peer_id;
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bool is_ml_peer;
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u16 ml_peer_id;
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};
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struct ath12k_dp_rx_reo_cmd {
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struct list_head list;
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struct ath12k_dp_rx_tid_rxq data;
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int cmd_num;
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void (*handler)(struct ath12k_dp *dp, void *ctx,
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enum hal_reo_cmd_status status);
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};
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#define ATH12K_DP_RX_FRAGMENT_TIMEOUT_MS (2 * HZ)
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#define ATH12K_DP_RX_REO_DESC_FREE_THRES 64
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#define ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS 1000
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enum ath12k_dp_rx_decap_type {
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DP_RX_DECAP_TYPE_RAW,
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DP_RX_DECAP_TYPE_NATIVE_WIFI,
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DP_RX_DECAP_TYPE_ETHERNET2_DIX,
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DP_RX_DECAP_TYPE_8023,
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};
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struct ath12k_dp_rx_rfc1042_hdr {
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u8 llc_dsap;
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u8 llc_ssap;
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u8 llc_ctrl;
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u8 snap_oui[3];
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__be16 snap_type;
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} __packed;
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static inline u32 ath12k_he_gi_to_nl80211_he_gi(u8 sgi)
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{
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u32 ret = 0;
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switch (sgi) {
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case RX_MSDU_START_SGI_0_8_US:
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ret = NL80211_RATE_INFO_HE_GI_0_8;
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break;
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case RX_MSDU_START_SGI_1_6_US:
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ret = NL80211_RATE_INFO_HE_GI_1_6;
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break;
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case RX_MSDU_START_SGI_3_2_US:
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ret = NL80211_RATE_INFO_HE_GI_3_2;
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break;
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default:
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ret = NL80211_RATE_INFO_HE_GI_0_8;
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break;
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}
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return ret;
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}
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static inline bool ath12k_dp_rx_h_more_frags(struct ath12k_hal *hal,
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struct sk_buff *skb)
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{
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struct ieee80211_hdr *hdr;
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hdr = (struct ieee80211_hdr *)(skb->data + hal->hal_desc_sz);
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return ieee80211_has_morefrags(hdr->frame_control);
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}
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static inline u16 ath12k_dp_rx_h_frag_no(struct ath12k_hal *hal,
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struct sk_buff *skb)
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{
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struct ieee80211_hdr *hdr;
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hdr = (struct ieee80211_hdr *)(skb->data + hal->hal_desc_sz);
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return le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
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}
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static inline u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
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struct hal_rx_desc *desc)
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{
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return ab->hal.ops->rx_desc_get_l3_pad_bytes(desc);
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}
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static inline void ath12k_dp_rx_desc_end_tlv_copy(struct ath12k_hal *hal,
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struct hal_rx_desc *fdesc,
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struct hal_rx_desc *ldesc)
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{
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hal->ops->rx_desc_copy_end_tlv(fdesc, ldesc);
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}
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static inline void ath12k_dp_rxdesc_set_msdu_len(struct ath12k_hal *hal,
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struct hal_rx_desc *desc,
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u16 len)
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{
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hal->ops->rx_desc_set_msdu_len(desc, len);
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}
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static inline u32 ath12k_dp_rxdesc_get_ppduid(struct ath12k_base *ab,
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struct hal_rx_desc *rx_desc)
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{
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return ab->hal.ops->rx_desc_get_mpdu_ppdu_id(rx_desc);
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}
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static inline void ath12k_dp_rx_desc_get_dot11_hdr(struct ath12k_hal *hal,
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struct hal_rx_desc *desc,
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struct ieee80211_hdr *hdr)
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{
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hal->ops->rx_desc_get_dot11_hdr(desc, hdr);
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}
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static inline void ath12k_dp_rx_desc_get_crypto_header(struct ath12k_hal *hal,
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struct hal_rx_desc *desc,
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u8 *crypto_hdr,
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enum hal_encrypt_type enctype)
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{
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hal->ops->rx_desc_get_crypto_header(desc, crypto_hdr, enctype);
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}
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static inline u8 ath12k_dp_rx_get_msdu_src_link(struct ath12k_hal *hal,
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struct hal_rx_desc *desc)
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{
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return hal->ops->rx_desc_get_msdu_src_link_id(desc);
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}
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static inline void ath12k_dp_clean_up_skb_list(struct sk_buff_head *skb_list)
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{
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struct sk_buff *skb;
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while ((skb = __skb_dequeue(skb_list)))
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dev_kfree_skb_any(skb);
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}
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static inline
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void ath12k_dp_extract_rx_desc_data(struct ath12k_hal *hal,
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struct hal_rx_desc_data *rx_info,
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struct hal_rx_desc *rx_desc,
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struct hal_rx_desc *ldesc)
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{
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hal->ops->extract_rx_desc_data(rx_info, rx_desc, ldesc);
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}
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void ath12k_dp_rx_h_undecap(struct ath12k_pdev_dp *dp_pdev, struct sk_buff *msdu,
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enum hal_encrypt_type enctype,
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bool decrypted,
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struct hal_rx_desc_data *rx_info,
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struct ath12k_dp_peer *peer);
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void ath12k_dp_rx_deliver_msdu(struct ath12k_pdev_dp *dp_pdev, struct napi_struct *napi,
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struct sk_buff *msdu,
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struct hal_rx_desc_data *rx_info);
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bool ath12k_dp_rx_check_nwifi_hdr_len_valid(struct ath12k_dp *dp,
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struct sk_buff *msdu,
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struct hal_rx_desc_data *rx_info);
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u64 ath12k_dp_rx_h_get_pn(struct ath12k_dp *dp, struct sk_buff *skb);
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void ath12k_dp_rx_h_sort_frags(struct ath12k_hal *hal,
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struct sk_buff_head *frag_list,
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struct sk_buff *cur_frag);
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void ath12k_dp_rx_h_undecap_frag(struct ath12k_pdev_dp *dp_pdev, struct sk_buff *msdu,
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enum hal_encrypt_type enctype, u32 flags);
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int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
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struct ieee80211_ampdu_params *params,
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u8 link_id);
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int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
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struct ieee80211_ampdu_params *params,
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u8 link_id);
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int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif,
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const u8 *peer_addr,
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enum set_key_cmd key_cmd,
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struct ieee80211_key_conf *key);
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void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_dp_link_peer *peer);
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void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
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struct ath12k_dp_link_peer *peer, u8 tid);
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int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id,
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u8 tid, u32 ba_win_sz, u16 ssn,
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enum hal_pn_type pn_type);
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int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
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void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
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int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
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int ath12k_dp_rx_alloc(struct ath12k_base *ab);
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void ath12k_dp_rx_free(struct ath12k_base *ab);
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int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int pdev_idx);
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void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int pdev_idx);
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void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab);
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int ath12k_dp_rx_bufs_replenish(struct ath12k_dp *dp,
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struct dp_rxdma_ring *rx_ring,
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struct list_head *used_list,
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int req_entries);
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int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
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int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
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u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
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struct hal_rx_desc *desc);
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struct ath12k_dp_link_peer *
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ath12k_dp_rx_h_find_link_peer(struct ath12k_pdev_dp *dp_pdev, struct sk_buff *msdu,
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struct hal_rx_desc_data *rx_info);
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u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
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struct hal_rx_desc *desc);
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u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
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struct hal_rx_desc *desc);
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int ath12k_dp_rx_crypto_mic_len(struct ath12k_dp *dp, enum hal_encrypt_type enctype);
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u32 ath12k_dp_rxdesc_get_ppduid(struct ath12k_base *ab,
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struct hal_rx_desc *rx_desc);
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void ath12k_dp_rx_h_ppdu(struct ath12k_pdev_dp *dp_pdev,
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struct hal_rx_desc_data *rx_info);
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struct sk_buff *ath12k_dp_rx_get_msdu_last_buf(struct sk_buff_head *msdu_list,
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struct sk_buff *first);
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void ath12k_dp_reo_cmd_free(struct ath12k_dp *dp, void *ctx,
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enum hal_reo_cmd_status status);
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void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx,
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enum hal_reo_cmd_status status);
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void ath12k_dp_rx_process_reo_cmd_update_rx_queue_list(struct ath12k_dp *dp);
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void ath12k_dp_init_rx_tid_rxq(struct ath12k_dp_rx_tid_rxq *rx_tid_rxq,
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struct ath12k_dp_rx_tid *rx_tid,
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bool active);
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void ath12k_dp_mark_tid_as_inactive(struct ath12k_dp *dp, int peer_id, u8 tid);
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#endif /* ATH12K_DP_RX_H */
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