drivers/net/wireless/ath/ath12k/dp_rx.h

   1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
   2 /*
   3  * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
   4  * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
   5  */
   6 #ifndef ATH12K_DP_RX_H
   7 #define ATH12K_DP_RX_H
   8
   9 #include "core.h"
  10 #include "rx_desc.h"
  11 #include "debug.h"
  12
  13 #define DP_MAX_NWIFI_HDR_LEN    30
  14
  15 struct ath12k_dp_rx_tid {
  16         u8 tid;
  17         u32 *vaddr;
  18         dma_addr_t paddr;
  19         u32 size;
  20         u32 ba_win_sz;
  21         bool active;
  22
  23         /* Info related to rx fragments */
  24         u32 cur_sn;
  25         u16 last_frag_no;
  26         u16 rx_frag_bitmap;
  27
  28         struct sk_buff_head rx_frags;
  29         struct hal_reo_dest_ring *dst_ring_desc;
  30
  31         /* Timer info related to fragments */
  32         struct timer_list frag_timer;
  33         struct ath12k_base *ab;
  34 };
  35
  36 struct ath12k_dp_rx_reo_cache_flush_elem {
  37         struct list_head list;
  38         struct ath12k_dp_rx_tid data;
  39         unsigned long ts;
  40 };
  41
  42 struct ath12k_dp_rx_reo_cmd {
  43         struct list_head list;
  44         struct ath12k_dp_rx_tid data;
  45         int cmd_num;
  46         void (*handler)(struct ath12k_dp *dp, void *ctx,
  47                         enum hal_reo_cmd_status status);
  48 };
  49
  50 #define ATH12K_DP_RX_REO_DESC_FREE_THRES  64
  51 #define ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS 1000
  52
  53 enum ath12k_dp_rx_decap_type {
  54         DP_RX_DECAP_TYPE_RAW,
  55         DP_RX_DECAP_TYPE_NATIVE_WIFI,
  56         DP_RX_DECAP_TYPE_ETHERNET2_DIX,
  57         DP_RX_DECAP_TYPE_8023,
  58 };
  59
  60 struct ath12k_dp_rx_rfc1042_hdr {
  61         u8 llc_dsap;
  62         u8 llc_ssap;
  63         u8 llc_ctrl;
  64         u8 snap_oui[3];
  65         __be16 snap_type;
  66 } __packed;
  67
  68 static inline u32 ath12k_he_gi_to_nl80211_he_gi(u8 sgi)
  69 {
  70         u32 ret = 0;
  71
  72         switch (sgi) {
  73         case RX_MSDU_START_SGI_0_8_US:
  74                 ret = NL80211_RATE_INFO_HE_GI_0_8;
  75                 break;
  76         case RX_MSDU_START_SGI_1_6_US:
  77                 ret = NL80211_RATE_INFO_HE_GI_1_6;
  78                 break;
  79         case RX_MSDU_START_SGI_3_2_US:
  80                 ret = NL80211_RATE_INFO_HE_GI_3_2;
  81                 break;
  82         }
  83
  84         return ret;
  85 }
  86
  87 int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
  88                              struct ieee80211_ampdu_params *params);
  89 int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
  90                             struct ieee80211_ampdu_params *params);
  91 int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif,
  92                                        const u8 *peer_addr,
  93                                        enum set_key_cmd key_cmd,
  94                                        struct ieee80211_key_conf *key);
  95 void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer);
  96 void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
  97                                   struct ath12k_peer *peer, u8 tid);
  98 int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id,
  99                                 u8 tid, u32 ba_win_sz, u16 ssn,
 100                                 enum hal_pn_type pn_type);
 101 void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
 102                                        struct sk_buff *skb);
 103 int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
 104 void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
 105 int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
 106 int ath12k_dp_rx_alloc(struct ath12k_base *ab);
 107 void ath12k_dp_rx_free(struct ath12k_base *ab);
 108 int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int pdev_idx);
 109 void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int pdev_idx);
 110 void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab);
 111 void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab);
 112 int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
 113                                  struct napi_struct *napi, int budget);
 114 int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi,
 115                              int budget);
 116 int ath12k_dp_rx_process(struct ath12k_base *ab, int mac_id,
 117                          struct napi_struct *napi,
 118                          int budget);
 119 int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab,
 120                                 struct dp_rxdma_ring *rx_ring,
 121                                 struct list_head *used_list,
 122                                 int req_entries);
 123 int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
 124 int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
 125
 126 u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
 127                         struct hal_rx_desc *desc);
 128 struct ath12k_peer *
 129 ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
 130 u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
 131                              struct hal_rx_desc *desc);
 132 u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
 133                             struct hal_rx_desc *desc);
 134 void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc,
 135                          struct ieee80211_rx_status *rx_status);
 136 struct ath12k_peer *
 137 ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
 138
 139 int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab);
 140 int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab);
 141
 142 int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len,
 143                            int (*iter)(struct ath12k_base *ar, u16 tag, u16 len,
 144                                        const void *ptr, void *data),
 145                            void *data);
 146 #endif /* ATH12K_DP_RX_H */