/******************************************************************************
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*
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* Copyright(c) 2007 - 2019 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef _RTW_RECV_H_
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#define _RTW_RECV_H_
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#define RTW_RX_MSDU_ACT_NONE 0
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#define RTW_RX_MSDU_ACT_INDICATE BIT0
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#define RTW_RX_MSDU_ACT_FORWARD BIT1
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#ifdef CONFIG_RTW_NAPI
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#define RTL_NAPI_WEIGHT (32)
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#endif
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#define NR_RECVFRAME 256
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#define RXFRAME_ALIGN 8
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#define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
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#define DRVINFO_SZ 4 /* unit is 8bytes */
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#define MAX_RXFRAME_CNT 512
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#define MAX_RX_NUMBLKS (32)
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#define RECVFRAME_HDR_ALIGN 128
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#define MAX_CONTINUAL_NORXPACKET_COUNT 4 /* In MAX_CONTINUAL_NORXPACKET_COUNT*2 sec , no rx traffict would issue DELBA*/
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#define PHY_RSSI_SLID_WIN_MAX 100
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#define PHY_LINKQUALITY_SLID_WIN_MAX 20
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#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
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#define MAX_SUBFRAME_COUNT 64
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/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
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extern u8 rtw_bridge_tunnel_header[];
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extern u8 rtw_rfc1042_header[];
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enum addba_rsp_ack_state {
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RTW_RECV_ACK_OR_TIMEOUT,
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};
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#ifdef RTW_PHL_RX
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enum rtw_core_rx_state {
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CORE_RX_CONTINUE = _SUCCESS,
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CORE_RX_DONE,
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CORE_RX_DROP,
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CORE_RX_FAIL,
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#ifdef CONFIG_RTW_CORE_RXSC
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CORE_RX_GO_SHORTCUT,
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#endif
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CORE_RX_DEFRAG,
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};
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#endif
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/* for Rx reordering buffer control */
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struct recv_reorder_ctrl {
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_adapter *padapter;
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u8 tid;
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u8 enable;
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u16 indicate_seq;/* =wstart_b, init_value=0xffff */
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u16 ampdu_size;
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unsigned long rec_abba_rsp_ack;
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#ifdef CONFIG_RECV_REORDERING_CTRL
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_queue pending_recvframe_queue;
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u8 wsize_b;
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_timer reordering_ctrl_timer;
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u8 bReorderWaiting;
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#endif
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};
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struct stainfo_rxcache {
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u16 tid_rxseq[16];
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u8 iv[16][8];
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u8 last_tid;
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};
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struct smooth_rssi_data {
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u32 elements[100]; /* array to store values */
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u32 index; /* index to current array to store */
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u32 total_num; /* num of valid elements */
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u32 total_val; /* sum of valid elements */
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};
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struct signal_stat {
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u8 update_req; /* used to indicate */
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u8 avg_val; /* avg of valid elements */
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u32 total_num; /* num of valid elements */
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u32 total_val; /* sum of valid elements */
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};
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/*TODO get phyinfo from PHL PPDU status - RTW_WKARD_CORE_RSSI_V1*/
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struct phydm_phyinfo_struct {
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bool is_valid;
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u8 rx_pwdb_all;
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u8 signal_quality; /* OFDM: signal_quality=rx_mimo_signal_quality[0], CCK: signal qualityin 0-100 index. */
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s8 rx_power; /* in dBm Translate from PWdB */
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s8 recv_signal_power; /* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */
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u8 signal_strength; /* in 0-100 index. */
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s8 rx_pwr[4]; /* per-path's pwdb */
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s8 rx_snr[4]; /* per-path's SNR */
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u8 rx_count:2; /* RX path counter---*/
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u8 snr_fd_avg;
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u8 snr_fd[4];
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u8 snr_td_avg;
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u8 snr_td[4];
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};
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struct rx_pkt_attrib {
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u16 pkt_len;
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u8 physt;
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u8 drvinfo_sz;
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u8 shift_sz;
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u8 hdrlen; /* the WLAN Header Len */
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u8 to_fr_ds;
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u8 amsdu;
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u8 qos;
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u8 priority;
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u8 pw_save;
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u8 mdata;
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u16 seq_num;
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u8 frag_num;
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u8 mfrag;
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u8 order;
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u8 privacy; /* in frame_ctrl field */
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u8 bdecrypted;
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u8 encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
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u8 iv_len;
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u8 icv_len;
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u8 crc_err;
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u8 icv_err;
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#ifdef CONFIG_RTW_CORE_RXSC
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u16 eth_type;
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#endif
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u8 dst[ETH_ALEN];
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u8 src[ETH_ALEN];
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u8 ta[ETH_ALEN];
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u8 ra[ETH_ALEN];
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u8 bssid[ETH_ALEN];
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#ifdef CONFIG_RTW_MESH
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u8 msa[ETH_ALEN]; /* mesh sa */
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u8 mda[ETH_ALEN]; /* mesh da */
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u8 mesh_ctrl_present;
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u8 mesh_ctrl_len; /* length of mesh control field */
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#endif
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u8 ack_policy;
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u8 key_index;
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u16 data_rate; /* enum rtw_data_rate */
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u8 gi_ltf;
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u8 ch; /* RX channel */
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u8 bw;
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u8 stbc;
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u8 ldpc;
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u8 sgi;
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u8 pkt_rpt_type;
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u8 ampdu;
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u8 ppdu_cnt;
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u8 ampdu_eof;
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u32 free_cnt; /* free run counter */
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struct phydm_phyinfo_struct phy_info;
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#ifdef CONFIG_WIFI_MONITOR
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u8 moif[16];
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#endif
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#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
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/* checksum offload realted varaiables */
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u8 csum_valid; /* Checksum valid, 0: not check, 1: checked */
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u8 csum_err; /* Checksum Error occurs */
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#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
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#ifdef RTW_PHL_DBG_CMD
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u8 wl_type;
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u8 wl_subtype;
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#endif
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#ifdef CONFIG_RTW_CORE_RXSC
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u8 bsnaphdr;
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#endif
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u8 addr_cam_vld;
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u16 macid;
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#ifdef CONFIG_TDLS
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u8 is_tdls_frame;
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#endif
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};
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#ifdef CONFIG_RTW_MESH
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#define RATTRIB_GET_MCTRL_LEN(rattrib) ((rattrib)->mesh_ctrl_len)
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#else
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#define RATTRIB_GET_MCTRL_LEN(rattrib) 0
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#endif
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/* These definition is used for Rx packet reordering. */
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#define SN_LESS(a, b) (((a-b) & 0x800) != 0)
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#define SN_EQUAL(a, b) (a == b)
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/* #define REORDER_WIN_SIZE 128 */
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/* #define REORDER_ENTRY_NUM 128 */
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#define REORDER_WAIT_TIME (50) /* (ms) */
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#if defined(CONFIG_PLATFORM_RTK390X) && defined(CONFIG_USB_HCI)
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#define RECVBUFF_ALIGN_SZ 32
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#else
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#define RECVBUFF_ALIGN_SZ 8
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#endif
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/*GEORGIA_TODO_FIXIT_IC_DEPENDENCE*/
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#define RXDESC_SIZE 24
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#define RXDESC_OFFSET RXDESC_SIZE
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#ifdef CONFIG_TRX_BD_ARCH
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struct rx_buf_desc {
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/* RX has exactly one segment */
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#ifdef CONFIG_64BIT_DMA
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unsigned int dword[4];
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#else
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unsigned int dword[2];
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#endif
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};
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struct recv_stat {
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unsigned int rxdw[8];
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};
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#else
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struct recv_stat {
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unsigned int rxdw0;
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unsigned int rxdw1;
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#if !(defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C) || defined(CONFIG_RTL8822C)) && defined(CONFIG_PCI_HCI) /* exclude 8822be, 8821ce ,8822ce*/
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unsigned int rxdw2;
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unsigned int rxdw3;
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#endif
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#ifndef BUF_DESC_ARCH
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unsigned int rxdw4;
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unsigned int rxdw5;
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#ifdef CONFIG_PCI_HCI
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unsigned int rxdw6;
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unsigned int rxdw7;
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#endif
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#endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */
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};
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#endif
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#define EOR BIT(30)
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/*
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accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
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; halt(passive) ;
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using enter_critical section to protect
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*/
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#ifdef PRIVATE_R
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/* total data rate index = 132 (refer to DESC_RATEHESS4MCS11 = 0x83) */
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#define DESC_RATE_MAX 0x84
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#endif
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struct recv_info {
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u64 rx_bytes;
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u64 rx_pkts;
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u64 rx_drop;
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#ifdef PRIVATE_R
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u16 rx_vo_pkt_count_per_data_rate[DESC_RATE_MAX];
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u64 rx_vo_pkt_retry_count;
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/* @last_rx_uc_data counts unicast data packets, it will be reset if user reads it by proc */
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u64 last_rx_uc_data;
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/* @last_rx_uc_data_rate_avg sums receive data rate of unicast data packets */
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u64 last_rx_uc_data_rate_avg;
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#endif
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u64 dbg_rx_drop_count;
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u64 dbg_rx_ampdu_drop_count;
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u64 dbg_rx_ampdu_forced_indicate_count;
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u64 dbg_rx_ampdu_loss_count;
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u64 dbg_rx_dup_mgt_frame_drop_count;
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u64 dbg_rx_ampdu_window_shift_cnt;
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u64 dbg_rx_conflic_mac_addr_cnt;
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/* For display the phy informatiom */
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u8 is_signal_dbg; /* for debug */
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u8 signal_strength_dbg; /* for debug */
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/*RTW_WKARD_CORE_RSSI_V1 - GEORGIA MUST REFINE*/
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u8 signal_strength;
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u8 signal_qual;
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s8 rssi; /* rtw_phl_rssi_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); */
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#ifdef CONFIG_SIGNAL_STAT_PROCESS
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_timer signal_stat_timer;
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u32 signal_stat_sampling_interval;
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#endif
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/* u32 signal_stat_converging_constant; */
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struct signal_stat signal_qual_data;
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struct signal_stat signal_strength_data;
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u16 sink_udpport, pre_rtp_rxseq, cur_rtp_rxseq;
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boolean store_law_data_flag;
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};
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#ifdef CONFIG_SIGNAL_STAT_PROCESS
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#define rtw_set_signal_stat_timer(recvinfo) _set_timer(&(recvinfo)->signal_stat_timer, (recvinfo)->signal_stat_sampling_interval)
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#endif
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struct sta_recv_priv {
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_lock lock;
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sint option;
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/* _queue blk_strms[MAX_RX_NUMBLKS]; */
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_queue defrag_q; /* keeping the fragment frame until defrag */
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struct stainfo_rxcache rxcache;
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u16 bmc_tid_rxseq[16];
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u16 nonqos_rxseq;
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u16 nonqos_bmc_rxseq;
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/* uint sta_rx_bytes; */
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/* uint sta_rx_pkts; */
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/* uint sta_rx_fail; */
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};
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#if 0
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struct recv_buf {
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_list list;
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_lock recvbuf_lock;
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u32 ref_cnt;
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_adapter *adapter;
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u8 *pbuf;
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u8 *pallocated_buf;
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u32 len;
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u8 *phead;
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u8 *pdata;
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u8 *ptail;
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u8 *pend;
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#ifdef CONFIG_USB_HCI
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PURB purb;
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dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
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u32 alloc_sz;
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u8 irp_pending;
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int transfer_len;
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#endif
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struct sk_buff *pskb;
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};
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#endif
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struct recv_frame_hdr {
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_list list;
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struct sk_buff *pkt;
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_adapter *adapter;
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struct _ADAPTER_LINK *adapter_link;
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struct dvobj_priv *dvobj;
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u8 fragcnt;
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int frame_tag;
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int keytrack;
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struct rx_pkt_attrib attrib;
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uint len;
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u8 *rx_head;
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u8 *rx_data;
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u8 *rx_tail;
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u8 *rx_end;
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void *precvbuf;
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/* */
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struct sta_info *psta;
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#ifdef CONFIG_RECV_REORDERING_CTRL
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/* for A-MPDU Rx reordering buffer control */
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struct recv_reorder_ctrl *preorder_ctrl;
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#endif
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#ifdef RTW_PHL_RX
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void *rx_req;
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#endif
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#ifdef CONFIG_RTW_CORE_RXSC
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struct core_rxsc_entry *rxsc_entry;
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#endif
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#ifdef CONFIG_WAPI_SUPPORT
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u8 UserPriority;
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u8 WapiTempPN[16];
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u8 WapiSrcAddr[6];
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u8 bWapiCheckPNInDecrypt;
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u8 bIsWaiPacket;
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#endif
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};
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union recv_frame {
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union {
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_list list;
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struct recv_frame_hdr hdr;
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uint mem[RECVFRAME_HDR_ALIGN >> 2];
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} u;
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/* uint mem[MAX_RXSZ>>2]; */
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};
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enum rtw_rx_llc_hdl {
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RTW_RX_LLC_KEEP = 0,
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RTW_RX_LLC_REMOVE = 1,
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RTW_RX_LLC_VLAN = 2,
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};
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struct recv_priv {
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struct dvobj_priv *dvobj;
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#ifdef CONFIG_RECV_THREAD_MODE
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_sema recv_sema;
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#endif
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_queue free_recv_queue; /*recv_frame*/
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#if 0
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_queue uc_swdec_pending_queue;
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#endif
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u8 *pallocated_frame_buf;
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u8 *precv_frame_buf;
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uint free_recvframe_cnt;
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#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
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#ifdef CONFIG_RTW_NAPI
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struct sk_buff_head rx_napi_skb_queue;
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#endif
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#endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) */
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};
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bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset);
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#ifdef RTW_PHL_RX
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extern void dump_recv_frame(_adapter *adapter, union recv_frame *prframe);
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extern sint validate_recv_frame(_adapter *adapter, union recv_frame **pprecv_frame);
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extern s32 rtw_core_rx_data_pre_process(_adapter *adapter, union recv_frame **prframe);
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extern s32 rtw_core_rx_data_post_process(_adapter *adapter, union recv_frame **pprframe);
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enum rtw_phl_status rtw_core_rx_process(void *drv_priv);
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void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
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void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
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#ifdef CONFIG_RTW_CORE_RXSC
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sint recv_ucast_pn_decache(union recv_frame *precv_frame);
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sint recv_bcast_pn_decache(union recv_frame *precv_frame);
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#endif /* CONFIG_RTW_CORE_RXSC */
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#endif
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extern void rtw_init_recvframe(union recv_frame *precvframe);
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extern int rtw_free_recvframe(union recv_frame *precvframe);
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union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue);
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#if 0
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u32 rtw_free_uc_swdec_pending_queue(struct dvobj_priv *dvobj);
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#endif
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#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
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void rtw_reordering_ctrl_timeout_handler(void *pcontext);
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#endif
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#if 0
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void rx_query_phy_status(union recv_frame *rframe, u8 *phy_stat);
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#endif
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int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index);
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void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index);
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#ifdef CONFIG_RECV_THREAD_MODE
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thread_return rtw_recv_thread(thread_context context);
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#endif
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#ifdef RTW_WKARD_CORE_RSSI_V1
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void rx_process_phy_info(union recv_frame *precvframe);
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#endif
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__inline static u8 *get_rxmem(union recv_frame *precvframe)
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{
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/* always return rx_head... */
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if (precvframe == NULL)
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return NULL;
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return precvframe->u.hdr.rx_head;
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}
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__inline static u8 *get_rx_status(union recv_frame *precvframe)
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{
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return get_rxmem(precvframe);
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}
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__inline static u8 *get_recvframe_data(union recv_frame *precvframe)
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{
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/* alwasy return rx_data */
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if (precvframe == NULL)
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return NULL;
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return precvframe->u.hdr.rx_data;
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}
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__inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
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{
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/* append data before rx_data */
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/* add data to the start of recv_frame
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*
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* This function extends the used data area of the recv_frame at the buffer
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* start. rx_data must be still larger than rx_head, after pushing.
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*/
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if (precvframe == NULL)
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return NULL;
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precvframe->u.hdr.rx_data -= sz ;
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if (precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head) {
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precvframe->u.hdr.rx_data += sz ;
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return NULL;
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}
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precvframe->u.hdr.len += sz;
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return precvframe->u.hdr.rx_data;
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}
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__inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
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{
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/* rx_data += sz; move rx_data sz bytes hereafter */
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/* used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller */
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if (precvframe == NULL)
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return NULL;
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precvframe->u.hdr.rx_data += sz;
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if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
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precvframe->u.hdr.rx_data -= sz;
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return NULL;
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}
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precvframe->u.hdr.len -= sz;
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return precvframe->u.hdr.rx_data;
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}
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__inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
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{
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/* rx_tai += sz; move rx_tail sz bytes hereafter */
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/* used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller */
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/* after putting, rx_tail must be still larger than rx_end. */
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unsigned char *prev_rx_tail;
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/* RTW_INFO("recvframe_put: len=%d\n", sz); */
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if (precvframe == NULL)
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return NULL;
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prev_rx_tail = precvframe->u.hdr.rx_tail;
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precvframe->u.hdr.rx_tail += sz;
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if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
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precvframe->u.hdr.rx_tail -= sz;
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return NULL;
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}
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precvframe->u.hdr.len += sz;
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return precvframe->u.hdr.rx_tail;
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}
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__inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
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{
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/* rmv data from rx_tail (by yitsen) */
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/* used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller */
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/* after pulling, rx_end must be still larger than rx_data. */
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if (precvframe == NULL)
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return NULL;
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precvframe->u.hdr.rx_tail -= sz;
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if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
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precvframe->u.hdr.rx_tail += sz;
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return NULL;
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}
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precvframe->u.hdr.len -= sz;
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return precvframe->u.hdr.rx_tail;
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}
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__inline static sint get_recvframe_len(union recv_frame *precvframe)
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{
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return precvframe->u.hdr.len;
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}
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struct sta_info;
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extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
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extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);
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u8 adapter_allow_bmc_data_rx(_adapter *adapter);
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#if 0
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s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status);
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#endif
|
#ifdef PRIVATE_R
|
u8 rtw_get_idx_by_rx_rate(u16 data_rate);
|
#endif /* PRIVATE_R */
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void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta);
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u8 rtw_init_lite_recv_resource(struct dvobj_priv *dvobj);
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void rtw_free_lite_recv_resource(struct dvobj_priv *dvobj);
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#endif
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