| #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 |
| |