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- #ifndef _RTL871X_RECV_H_
- #define _RTL871X_RECV_H_
- #include "osdep_service.h"
- #include "drv_types.h"
- #define NR_RECVFRAME 256
- #define RXFRAME_ALIGN 8
- #define RXFRAME_ALIGN_SZ (1 << RXFRAME_ALIGN)
- #define MAX_SUBFRAME_COUNT 64
- #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
- /* for Rx reordering buffer control */
- struct recv_reorder_ctrl {
- struct _adapter *padapter;
- u16 indicate_seq; /* =wstart_b, init_value=0xffff */
- u16 wend_b;
- u8 wsize_b;
- struct __queue pending_recvframe_queue;
- struct timer_list reordering_ctrl_timer;
- };
- struct stainfo_rxcache {
- u16 tid_rxseq[16];
- };
- #define PHY_RSSI_SLID_WIN_MAX 100
- #define PHY_LINKQUALITY_SLID_WIN_MAX 20
- struct smooth_rssi_data {
- u32 elements[100]; /* array to store values */
- u32 index; /* index to current array to store */
- u32 total_num; /* num of valid elements */
- u32 total_val; /* sum of valid elements */
- };
- struct rx_pkt_attrib {
- u8 amsdu;
- u8 order;
- u8 qos;
- u8 to_fr_ds;
- u8 frag_num;
- u16 seq_num;
- u8 pw_save;
- u8 mfrag;
- u8 mdata;
- u8 privacy; /* in frame_ctrl field */
- u8 bdecrypted;
- int hdrlen; /* the WLAN Header Len */
- int encrypt; /* 0 no encrypt. != 0 encrypt algorith */
- int iv_len;
- int icv_len;
- int priority;
- int ack_policy;
- u8 crc_err;
- u8 dst[ETH_ALEN];
- u8 src[ETH_ALEN];
- u8 ta[ETH_ALEN];
- u8 ra[ETH_ALEN];
- u8 bssid[ETH_ALEN];
- u8 tcpchk_valid; /* 0: invalid, 1: valid */
- u8 ip_chkrpt; /* 0: incorrect, 1: correct */
- u8 tcp_chkrpt; /* 0: incorrect, 1: correct */
- u8 signal_qual;
- s8 rx_mimo_signal_qual[2];
- u8 mcs_rate;
- u8 htc;
- u8 signal_strength;
- };
- /*
- accesser of recv_priv: recv_entry(dispatch / passive level);
- recv_thread(passive) ; returnpkt(dispatch)
- ; halt(passive) ;
- using enter_critical section to protect
- */
- struct recv_priv {
- spinlock_t lock;
- struct __queue free_recv_queue;
- struct __queue recv_pending_queue;
- u8 *pallocated_frame_buf;
- u8 *precv_frame_buf;
- uint free_recvframe_cnt;
- struct _adapter *adapter;
- uint rx_bytes;
- uint rx_pkts;
- uint rx_drop;
- uint rx_icv_err;
- uint rx_largepacket_crcerr;
- uint rx_smallpacket_crcerr;
- uint rx_middlepacket_crcerr;
- u8 rx_pending_cnt;
- uint ff_hwaddr;
- struct tasklet_struct recv_tasklet;
- struct sk_buff_head free_recv_skb_queue;
- struct sk_buff_head rx_skb_queue;
- u8 *pallocated_recv_buf;
- u8 *precv_buf; /* 4 alignment */
- struct __queue free_recv_buf_queue;
- u32 free_recv_buf_queue_cnt;
- /* For the phy informatiom */
- s8 rssi;
- u8 signal;
- u8 noise;
- u8 fw_rssi;
- struct smooth_rssi_data signal_qual_data;
- struct smooth_rssi_data signal_strength_data;
- };
- struct sta_recv_priv {
- spinlock_t lock;
- sint option;
- struct __queue defrag_q; /* keeping the fragment frame until defrag */
- struct stainfo_rxcache rxcache;
- uint sta_rx_bytes;
- uint sta_rx_pkts;
- uint sta_rx_fail;
- };
- #include "rtl8712_recv.h"
- /* get a free recv_frame from pfree_recv_queue */
- union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue);
- int r8712_free_recvframe(union recv_frame *precvframe,
- struct __queue *pfree_recv_queue);
- void r8712_free_recvframe_queue(struct __queue *pframequeue,
- struct __queue *pfree_recv_queue);
- int r8712_wlanhdr_to_ethhdr(union recv_frame *precvframe);
- int recv_func(struct _adapter *padapter, void *pcontext);
- static inline u8 *get_rxmem(union recv_frame *precvframe)
- {
- /* always return rx_head... */
- if (precvframe == NULL)
- return NULL;
- return precvframe->u.hdr.rx_head;
- }
- static inline u8 *get_recvframe_data(union recv_frame *precvframe)
- {
- /* always return rx_data */
- if (precvframe == NULL)
- return NULL;
- return precvframe->u.hdr.rx_data;
- }
- static inline u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
- {
- /* used for extract sz bytes from rx_data, update rx_data and return
- * the updated rx_data to the caller */
- if (precvframe == NULL)
- return NULL;
- precvframe->u.hdr.rx_data += sz;
- if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
- precvframe->u.hdr.rx_data -= sz;
- return NULL;
- }
- precvframe->u.hdr.len -= sz;
- return precvframe->u.hdr.rx_data;
- }
- static inline u8 *recvframe_put(union recv_frame *precvframe, sint sz)
- {
- /* used for append sz bytes from ptr to rx_tail, update rx_tail and
- * return the updated rx_tail to the caller
- * after putting, rx_tail must be still larger than rx_end. */
- if (precvframe == NULL)
- return NULL;
- precvframe->u.hdr.rx_tail += sz;
- if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
- precvframe->u.hdr.rx_tail -= sz;
- return NULL;
- }
- precvframe->u.hdr.len += sz;
- return precvframe->u.hdr.rx_tail;
- }
- static inline u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
- {
- /* rmv data from rx_tail (by yitsen)
- * used for extract sz bytes from rx_end, update rx_end and return the
- * updated rx_end to the caller
- * after pulling, rx_end must be still larger than rx_data. */
- if (precvframe == NULL)
- return NULL;
- precvframe->u.hdr.rx_tail -= sz;
- if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
- precvframe->u.hdr.rx_tail += sz;
- return NULL;
- }
- precvframe->u.hdr.len -= sz;
- return precvframe->u.hdr.rx_tail;
- }
- struct sta_info;
- void _r8712_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
- sint r8712_recvframe_chkmic(struct _adapter *adapter,
- union recv_frame *precvframe);
- union recv_frame *r8712_decryptor(struct _adapter *adapter,
- union recv_frame *precv_frame);
- union recv_frame *r8712_recvframe_chk_defrag(struct _adapter *adapter,
- union recv_frame *precv_frame);
- int r8712_validate_recv_frame(struct _adapter *adapter,
- union recv_frame *precv_frame);
- union recv_frame *r8712_portctrl(struct _adapter *adapter,
- union recv_frame *precv_frame);
- #endif
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