/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _RTL871X_RECV_H_
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#define _RTL871X_RECV_H_
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#include "osdep_service.h"
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#include "drv_types.h"
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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 MAX_SUBFRAME_COUNT 64
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/* for Rx reordering buffer control */
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struct recv_reorder_ctrl {
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struct _adapter *padapter;
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u16 indicate_seq; /* =wstart_b, init_value=0xffff */
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u16 wend_b;
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u8 wsize_b;
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struct __queue pending_recvframe_queue;
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struct timer_list reordering_ctrl_timer;
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};
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struct stainfo_rxcache {
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u16 tid_rxseq[16];
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};
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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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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 rx_pkt_attrib {
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u8 amsdu;
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u8 order;
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u8 qos;
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u8 to_fr_ds;
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u8 frag_num;
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u16 seq_num;
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u8 pw_save;
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u8 mfrag;
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u8 mdata;
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u8 privacy; /* in frame_ctrl field */
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u8 bdecrypted;
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int hdrlen; /* the WLAN Header Len */
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int encrypt; /* 0 no encrypt. != 0 encrypt algorithm */
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int iv_len;
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int icv_len;
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int priority;
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int ack_policy;
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u8 crc_err;
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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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u8 tcpchk_valid; /* 0: invalid, 1: valid */
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u8 ip_chkrpt; /* 0: incorrect, 1: correct */
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u8 tcp_chkrpt; /* 0: incorrect, 1: correct */
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u8 signal_qual;
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s8 rx_mimo_signal_qual[2];
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u8 mcs_rate;
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u8 htc;
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u8 signal_strength;
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};
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/*
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* accesser of recv_priv: recv_entry(dispatch / passive level);
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* recv_thread(passive) ; returnpkt(dispatch)
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* ; halt(passive) ;
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*
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* using enter_critical section to protect
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*/
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struct recv_priv {
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spinlock_t lock;
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struct __queue free_recv_queue;
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struct __queue recv_pending_queue;
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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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struct _adapter *adapter;
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uint rx_bytes;
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uint rx_pkts;
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uint rx_drop;
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uint rx_icv_err;
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uint rx_largepacket_crcerr;
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uint rx_smallpacket_crcerr;
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uint rx_middlepacket_crcerr;
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u8 rx_pending_cnt;
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uint ff_hwaddr;
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struct tasklet_struct recv_tasklet;
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struct sk_buff_head free_recv_skb_queue;
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struct sk_buff_head rx_skb_queue;
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u8 *pallocated_recv_buf;
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u8 *precv_buf; /* 4 alignment */
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struct __queue free_recv_buf_queue;
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u32 free_recv_buf_queue_cnt;
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/* For the phy information */
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s8 rssi;
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u8 signal;
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u8 noise;
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u8 fw_rssi;
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struct smooth_rssi_data signal_qual_data;
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struct smooth_rssi_data signal_strength_data;
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};
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struct sta_recv_priv {
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spinlock_t lock;
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sint option;
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struct __queue defrag_q; /* keeping the fragment frame until defrag */
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struct stainfo_rxcache rxcache;
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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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#include "rtl8712_recv.h"
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/* get a free recv_frame from pfree_recv_queue */
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union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue);
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void r8712_free_recvframe(union recv_frame *precvframe,
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struct __queue *pfree_recv_queue);
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void r8712_free_recvframe_queue(struct __queue *pframequeue,
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struct __queue *pfree_recv_queue);
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int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe);
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int recv_func(struct _adapter *padapter, void *pcontext);
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static inline 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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static inline u8 *get_recvframe_data(union recv_frame *precvframe)
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{
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/* always 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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static inline u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
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{
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/* used for extract sz bytes from rx_data, update rx_data and return
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* the updated rx_data to the caller
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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_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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static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz)
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{
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/* used for append sz bytes from ptr to rx_tail, update rx_tail and
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* 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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*/
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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_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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static inline 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
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* 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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*/
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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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struct sta_info;
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void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
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sint r8712_recvframe_chkmic(struct _adapter *adapter,
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union recv_frame *precvframe);
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union recv_frame *r8712_decryptor(struct _adapter *adapter,
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union recv_frame *precv_frame);
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union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *adapter,
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union recv_frame *precv_frame);
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int r8712_validate_recv_frame(struct _adapter *adapter,
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union recv_frame *precv_frame);
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union recv_frame *r8712_portctrl(struct _adapter *adapter,
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union recv_frame *precv_frame);
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#endif
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