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 */
144