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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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acc79d981c
As Hash based reo destination selection is configured,
the decapped packets reach different reo destintion rings
based on the destintaion ring selected for the computed hash (based on
the 5-tuple {ip src/ip dst/src port/dst port/protocol}) by hw and
as configured by driver.
Hence the current implementation of amsdu list based processing after all
the subframes of amsdu are received (since all msdu's for a pdev are
received in same reo dest ring), is not applicable here and hence is
replaced with per msdu based handling as these subframes
can be received in different reo dest rings.
Also, as some of the rx descriptor fields might be valid only for the
first msdu (for ex. received 80211 header, encryption type, etc),
it might not be useful now as we cannot sync between different
subframes received in different rings. Hence do not rely on those
fields and replace them with fieds valid only on per msdu descriptors.
Also cache other details such as encryption type for a peer so that
it can be reused when a packet is received from it.
Co-developed-by: Tamizh Chelvam Raja <tamizhr@codeaurora.org>
Signed-off-by: Tamizh Chelvam Raja <tamizhr@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
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/*
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* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
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*/
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#ifndef ATH11K_DP_RX_H
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#define ATH11K_DP_RX_H
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#include "core.h"
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#include "rx_desc.h"
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#include "debug.h"
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#define DP_MAX_NWIFI_HDR_LEN 30
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#define DP_RX_MPDU_ERR_FCS BIT(0)
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#define DP_RX_MPDU_ERR_DECRYPT BIT(1)
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#define DP_RX_MPDU_ERR_TKIP_MIC BIT(2)
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#define DP_RX_MPDU_ERR_AMSDU_ERR BIT(3)
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#define DP_RX_MPDU_ERR_OVERFLOW BIT(4)
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#define DP_RX_MPDU_ERR_MSDU_LEN BIT(5)
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#define DP_RX_MPDU_ERR_MPDU_LEN BIT(6)
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#define DP_RX_MPDU_ERR_UNENCRYPTED_FRAME BIT(7)
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enum dp_rx_decap_type {
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DP_RX_DECAP_TYPE_RAW,
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DP_RX_DECAP_TYPE_NATIVE_WIFI,
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DP_RX_DECAP_TYPE_ETHERNET2_DIX,
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DP_RX_DECAP_TYPE_8023,
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};
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struct ath11k_dp_amsdu_subframe_hdr {
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u8 dst[ETH_ALEN];
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u8 src[ETH_ALEN];
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__be16 len;
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} __packed;
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struct ath11k_dp_rfc1042_hdr {
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u8 llc_dsap;
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u8 llc_ssap;
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u8 llc_ctrl;
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u8 snap_oui[3];
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__be16 snap_type;
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} __packed;
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int ath11k_dp_rx_ampdu_start(struct ath11k *ar,
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struct ieee80211_ampdu_params *params);
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int ath11k_dp_rx_ampdu_stop(struct ath11k *ar,
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struct ieee80211_ampdu_params *params);
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int ath11k_dp_peer_rx_pn_replay_config(struct ath11k_vif *arvif,
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const u8 *peer_addr,
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enum set_key_cmd key_cmd,
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struct ieee80211_key_conf *key);
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void ath11k_peer_rx_tid_cleanup(struct ath11k *ar, struct ath11k_peer *peer);
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void ath11k_peer_rx_tid_delete(struct ath11k *ar,
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struct ath11k_peer *peer, u8 tid);
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int ath11k_peer_rx_tid_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id,
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u8 tid, u32 ba_win_sz, u16 ssn,
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enum hal_pn_type pn_type);
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void ath11k_dp_htt_htc_t2h_msg_handler(struct ath11k_base *ab,
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struct sk_buff *skb);
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int ath11k_dp_pdev_reo_setup(struct ath11k_base *ab);
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void ath11k_dp_pdev_reo_cleanup(struct ath11k_base *ab);
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int ath11k_dp_rx_pdev_alloc(struct ath11k_base *ab, int pdev_idx);
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void ath11k_dp_rx_pdev_free(struct ath11k_base *ab, int pdev_idx);
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void ath11k_dp_reo_cmd_list_cleanup(struct ath11k_base *ab);
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void ath11k_dp_process_reo_status(struct ath11k_base *ab);
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int ath11k_dp_process_rxdma_err(struct ath11k_base *ab, int mac_id, int budget);
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int ath11k_dp_rx_process_wbm_err(struct ath11k_base *ab,
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struct napi_struct *napi, int budget);
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int ath11k_dp_process_rx_err(struct ath11k_base *ab, struct napi_struct *napi,
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int budget);
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int ath11k_dp_process_rx(struct ath11k_base *ab, int mac_id,
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struct napi_struct *napi,
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int budget);
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int ath11k_dp_rxbufs_replenish(struct ath11k_base *ab, int mac_id,
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struct dp_rxdma_ring *rx_ring,
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int req_entries,
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enum hal_rx_buf_return_buf_manager mgr,
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gfp_t gfp);
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int ath11k_dp_htt_tlv_iter(struct ath11k_base *ab, const void *ptr, size_t len,
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int (*iter)(struct ath11k_base *ar, u16 tag, u16 len,
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const void *ptr, void *data),
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void *data);
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int ath11k_dp_rx_process_mon_rings(struct ath11k_base *ab, int mac_id,
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struct napi_struct *napi, int budget);
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int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
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struct napi_struct *napi, int budget);
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int ath11k_dp_rx_mon_status_bufs_replenish(struct ath11k_base *ab, int mac_id,
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struct dp_rxdma_ring *rx_ring,
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int req_entries,
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enum hal_rx_buf_return_buf_manager mgr,
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gfp_t gfp);
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int ath11k_dp_rx_pdev_mon_detach(struct ath11k *ar);
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int ath11k_dp_rx_pdev_mon_attach(struct ath11k *ar);
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int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id);
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#endif /* ATH11K_DP_RX_H */
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