1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
2 /*
3 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2022 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
ath12k_he_gi_to_nl80211_he_gi(u8 sgi)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_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, int mac_id,
120 struct dp_rxdma_ring *rx_ring,
121 int req_entries,
122 enum hal_rx_buf_return_buf_manager mgr,
123 bool hw_cc);
124 int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
125 int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
126
127 int ath12k_dp_rx_pktlog_start(struct ath12k_base *ab);
128 int ath12k_dp_rx_pktlog_stop(struct ath12k_base *ab, bool stop_timer);
129 u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
130 struct hal_rx_desc *desc);
131 struct ath12k_peer *
132 ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
133 u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
134 struct hal_rx_desc *desc);
135 u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
136 struct hal_rx_desc *desc);
137 void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc,
138 struct ieee80211_rx_status *rx_status);
139 struct ath12k_peer *
140 ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu);
141
142 int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab);
143 int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab);
144
145 #endif /* ATH12K_DP_RX_H */
146