1/* SPDX-License-Identifier: BSD-3-Clause-Clear */
  2/*
  3 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
  4 * Copyright (c) 2021-2023 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
 15struct 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
 36struct 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
 42struct 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
 53enum 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
 60struct 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
 68static 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
 87int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
 88			     struct ieee80211_ampdu_params *params);
 89int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
 90			    struct ieee80211_ampdu_params *params);
 91int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_vif *arvif,
 92				       const u8 *peer_addr,
 93				       enum set_key_cmd key_cmd,
 94				       struct ieee80211_key_conf *key);
 95void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer);
 96void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
 97				  struct ath12k_peer *peer, u8 tid);
 98int 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);
101void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
102				       struct sk_buff *skb);
103int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
104void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
105int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
106int ath12k_dp_rx_alloc(struct ath12k_base *ab);
107void ath12k_dp_rx_free(struct ath12k_base *ab);
108int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int pdev_idx);
109void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int pdev_idx);
110void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab);
111void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab);
112int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
113				 struct napi_struct *napi, int budget);
114int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi,
115			     int budget);
116int ath12k_dp_rx_process(struct ath12k_base *ab, int mac_id,
117			 struct napi_struct *napi,
118			 int budget);
119int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab,
120				struct dp_rxdma_ring *rx_ring,
121				int req_entries);
122int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
123int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
124
125int ath12k_dp_rx_pktlog_start(struct ath12k_base *ab);
126int ath12k_dp_rx_pktlog_stop(struct ath12k_base *ab, bool stop_timer);
127u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
128			struct hal_rx_desc *desc);
129struct ath12k_peer *
130ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
131u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
132			     struct hal_rx_desc *desc);
133u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
134			    struct hal_rx_desc *desc);
135void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc,
136			 struct ieee80211_rx_status *rx_status);
137struct ath12k_peer *
138ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
139
140int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab);
141int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab);
142
143#endif /* ATH12K_DP_RX_H */