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) 2021-2025 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 ba_win_sz;
 18	bool active;
 19	struct ath12k_reoq_buf qbuf;
 20
 21	/* Info related to rx fragments */
 22	u32 cur_sn;
 23	u16 last_frag_no;
 24	u16 rx_frag_bitmap;
 25
 26	struct sk_buff_head rx_frags;
 27	struct hal_reo_dest_ring *dst_ring_desc;
 28
 29	/* Timer info related to fragments */
 30	struct timer_list frag_timer;
 31	struct ath12k_base *ab;
 32};
 33
 34struct ath12k_dp_rx_tid_rxq {
 35	u8 tid;
 36	bool active;
 37	struct ath12k_reoq_buf qbuf;
 38};
 39
 40struct ath12k_dp_rx_reo_cache_flush_elem {
 41	struct list_head list;
 42	struct ath12k_dp_rx_tid_rxq data;
 43	unsigned long ts;
 44};
 45
 46struct dp_reo_update_rx_queue_elem {
 47	struct list_head list;
 48	struct ath12k_dp_rx_tid_rxq rx_tid;
 49	int peer_id;
 50	bool is_ml_peer;
 51	u16 ml_peer_id;
 52};
 53
 54struct ath12k_dp_rx_reo_cmd {
 55	struct list_head list;
 56	struct ath12k_dp_rx_tid_rxq data;
 57	int cmd_num;
 58	void (*handler)(struct ath12k_dp *dp, void *ctx,
 59			enum hal_reo_cmd_status status);
 60};
 61
 62#define ATH12K_DP_RX_REO_DESC_FREE_THRES  64
 63#define ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS 1000
 64
 65enum ath12k_dp_rx_decap_type {
 66	DP_RX_DECAP_TYPE_RAW,
 67	DP_RX_DECAP_TYPE_NATIVE_WIFI,
 68	DP_RX_DECAP_TYPE_ETHERNET2_DIX,
 69	DP_RX_DECAP_TYPE_8023,
 70};
 71
 72struct ath12k_dp_rx_rfc1042_hdr {
 73	u8 llc_dsap;
 74	u8 llc_ssap;
 75	u8 llc_ctrl;
 76	u8 snap_oui[3];
 77	__be16 snap_type;
 78} __packed;
 79
 80struct ath12k_dp_rx_info {
 81	struct ieee80211_rx_status *rx_status;
 82	u32 phy_meta_data;
 83	u16 peer_id;
 84	u8 decap_type;
 85	u8 pkt_type;
 86	u8 sgi;
 87	u8 rate_mcs;
 88	u8 bw;
 89	u8 nss;
 90	u8 addr2[ETH_ALEN];
 91	u8 tid;
 92	bool ip_csum_fail;
 93	bool l4_csum_fail;
 94	bool is_mcbc;
 95	bool addr2_present;
 96};
 97
 98static inline u32 ath12k_he_gi_to_nl80211_he_gi(u8 sgi)
 99{
100	u32 ret = 0;
101
102	switch (sgi) {
103	case RX_MSDU_START_SGI_0_8_US:
104		ret = NL80211_RATE_INFO_HE_GI_0_8;
105		break;
106	case RX_MSDU_START_SGI_1_6_US:
107		ret = NL80211_RATE_INFO_HE_GI_1_6;
108		break;
109	case RX_MSDU_START_SGI_3_2_US:
110		ret = NL80211_RATE_INFO_HE_GI_3_2;
111		break;
112	default:
113		ret = NL80211_RATE_INFO_HE_GI_0_8;
114		break;
115	}
116
117	return ret;
118}
119
120int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
121			     struct ieee80211_ampdu_params *params,
122			     u8 link_id);
123int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
124			    struct ieee80211_ampdu_params *params,
125			    u8 link_id);
126int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_link_vif *arvif,
127				       const u8 *peer_addr,
128				       enum set_key_cmd key_cmd,
129				       struct ieee80211_key_conf *key);
130void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer);
131void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
132				  struct ath12k_peer *peer, u8 tid);
133int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id,
134				u8 tid, u32 ba_win_sz, u16 ssn,
135				enum hal_pn_type pn_type);
136void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
137				       struct sk_buff *skb);
138int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab);
139void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab);
140int ath12k_dp_rx_htt_setup(struct ath12k_base *ab);
141int ath12k_dp_rx_alloc(struct ath12k_base *ab);
142void ath12k_dp_rx_free(struct ath12k_base *ab);
143int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int pdev_idx);
144void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int pdev_idx);
145void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab);
146void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab);
147int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
148				 struct napi_struct *napi, int budget);
149int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi,
150			     int budget);
151int ath12k_dp_rx_process(struct ath12k_base *ab, int mac_id,
152			 struct napi_struct *napi,
153			 int budget);
154int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab,
155				struct dp_rxdma_ring *rx_ring,
156				struct list_head *used_list,
157				int req_entries);
158int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar);
159int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id);
160
161u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
162			struct hal_rx_desc *desc);
163struct ath12k_peer *
164ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu,
165			 struct ath12k_dp_rx_info *rx_info);
166u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
167			     struct hal_rx_desc *desc);
168u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
169			    struct hal_rx_desc *desc);
170void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct ath12k_dp_rx_info *rx_info);
171int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab);
172int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab);
173
174int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len,
175			   int (*iter)(struct ath12k_base *ar, u16 tag, u16 len,
176				       const void *ptr, void *data),
177			   void *data);
178void ath12k_dp_rx_h_fetch_info(struct ath12k_base *ab,  struct hal_rx_desc *rx_desc,
179			       struct ath12k_dp_rx_info *rx_info);
180
181int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar, enum hal_encrypt_type enctype);
182u32 ath12k_dp_rxdesc_get_ppduid(struct ath12k_base *ab,
183				struct hal_rx_desc *rx_desc);
184bool ath12k_dp_rxdesc_mpdu_valid(struct ath12k_base *ab,
185				 struct hal_rx_desc *rx_desc);
186int ath12k_dp_rx_link_desc_return(struct ath12k_base *ab,
187				  struct ath12k_buffer_addr *buf_addr_info,
188				  enum hal_wbm_rel_bm_act action);
189bool ath12k_dp_rxdesc_mpdu_valid(struct ath12k_base *ab,
190				 struct hal_rx_desc *rx_desc);
191#endif /* ATH12K_DP_RX_H */