/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
 * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
 */

#ifndef ATH12K_DP_MON_H
#define ATH12K_DP_MON_H

#include "core.h"

#define ATH12K_MON_RX_DOT11_OFFSET      5
#define ATH12K_MON_RX_PKT_OFFSET        8

#define ATH12K_LE32_DEC_ENC(value, dec_bits, enc_bits)  \
                u32_encode_bits(le32_get_bits(value, dec_bits), enc_bits)

#define ATH12K_LE64_DEC_ENC(value, dec_bits, enc_bits) \
                u32_encode_bits(le64_get_bits(value, dec_bits), enc_bits)

enum dp_monitor_mode {
        ATH12K_DP_TX_MONITOR_MODE,
        ATH12K_DP_RX_MONITOR_MODE
};

enum dp_mon_tx_ppdu_info_type {
        DP_MON_TX_PROT_PPDU_INFO,
        DP_MON_TX_DATA_PPDU_INFO
};

enum dp_mon_tx_tlv_status {
        DP_MON_TX_FES_SETUP,
        DP_MON_TX_FES_STATUS_END,
        DP_MON_RX_RESPONSE_REQUIRED_INFO,
        DP_MON_RESPONSE_END_STATUS_INFO,
        DP_MON_TX_MPDU_START,
        DP_MON_TX_MSDU_START,
        DP_MON_TX_BUFFER_ADDR,
        DP_MON_TX_DATA,
        DP_MON_TX_STATUS_PPDU_NOT_DONE,
};

enum dp_mon_tx_medium_protection_type {
        DP_MON_TX_MEDIUM_NO_PROTECTION,
        DP_MON_TX_MEDIUM_RTS_LEGACY,
        DP_MON_TX_MEDIUM_RTS_11AC_STATIC_BW,
        DP_MON_TX_MEDIUM_RTS_11AC_DYNAMIC_BW,
        DP_MON_TX_MEDIUM_CTS2SELF,
        DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_3ADDR,
        DP_MON_TX_MEDIUM_QOS_NULL_NO_ACK_4ADDR
};

struct dp_mon_qosframe_addr4 {
        __le16 frame_control;
        __le16 duration;
        u8 addr1[ETH_ALEN];
        u8 addr2[ETH_ALEN];
        u8 addr3[ETH_ALEN];
        __le16 seq_ctrl;
        u8 addr4[ETH_ALEN];
        __le16 qos_ctrl;
} __packed;

struct dp_mon_frame_min_one {
        __le16 frame_control;
        __le16 duration;
        u8 addr1[ETH_ALEN];
} __packed;

struct dp_mon_packet_info {
        u64 cookie;
        u16 dma_length;
        bool msdu_continuation;
        bool truncated;
};

struct dp_mon_tx_ppdu_info {
        u32 ppdu_id;
        u8  num_users;
        bool is_used;
        struct hal_rx_mon_ppdu_info rx_status;
        struct list_head dp_tx_mon_mpdu_list;
        struct dp_mon_mpdu *tx_mon_mpdu;
};

int ath12k_dp_mon_buf_replenish(struct ath12k_base *ab,
                                struct dp_rxdma_mon_ring *buf_ring,
                                int req_entries);
int ath12k_dp_mon_status_bufs_replenish(struct ath12k_base *ab,
                                        struct dp_rxdma_mon_ring *rx_ring,
                                        int req_entries);
void ath12k_dp_mon_rx_process_ulofdma(struct hal_rx_mon_ppdu_info *ppdu_info);
void
ath12k_dp_mon_rx_update_peer_mu_stats(struct ath12k_base *ab,
                                      struct hal_rx_mon_ppdu_info *ppdu_info);
void ath12k_dp_mon_rx_update_peer_su_stats(struct ath12k_dp_link_peer *peer,
                                           struct hal_rx_mon_ppdu_info *ppdu_info);
int ath12k_dp_pkt_set_pktlen(struct sk_buff *skb, u32 len);
struct sk_buff
*ath12k_dp_rx_alloc_mon_status_buf(struct ath12k_base *ab,
                                   struct dp_rxdma_mon_ring *rx_ring,
                                   int *buf_id);
u32 ath12k_dp_mon_comp_ppduid(u32 msdu_ppdu_id, u32 *ppdu_id);
int
ath12k_dp_mon_parse_status_buf(struct ath12k_pdev_dp *dp_pdev,
                               struct ath12k_mon_data *pmon,
                               const struct dp_mon_packet_info *packet_info);
void ath12k_dp_mon_update_radiotap(struct ath12k_pdev_dp *dp_pdev,
                                   struct hal_rx_mon_ppdu_info *ppduinfo,
                                   struct sk_buff *mon_skb,
                                   struct ieee80211_rx_status *rxs);
void ath12k_dp_mon_rx_deliver_msdu(struct ath12k_pdev_dp *dp_pdev,
                                   struct napi_struct *napi,
                                   struct sk_buff *msdu,
                                   const struct hal_rx_mon_ppdu_info *ppduinfo,
                                   struct ieee80211_rx_status *status,
                                   u8 decap);
struct sk_buff *
ath12k_dp_mon_rx_merg_msdus(struct ath12k_pdev_dp *dp_pdev,
                            struct dp_mon_mpdu *mon_mpdu,
                            struct hal_rx_mon_ppdu_info *ppdu_info,
                            struct ieee80211_rx_status *rxs);
#endif