/****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * ******************************************************************************/ #ifndef _RTW_RECV_H_ #define _RTW_RECV_H_ #include #include #include #define NR_RECVFRAME 256 #define MAX_RXFRAME_CNT 512 #define MAX_RX_NUMBLKS (32) #define RECVFRAME_HDR_ALIGN 128 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) #define MAX_SUBFRAME_COUNT 64 /* for Rx reordering buffer control */ struct recv_reorder_ctrl { struct rtw_adapter *padapter; u8 enable; u16 indicate_seq;/* wstart_b, init_value=0xffff */ u16 wend_b; u8 wsize_b; struct rtw_queue pending_recvframe_queue; struct timer_list reordering_ctrl_timer; }; struct stainfo_rxcache { u16 tid_rxseq[16]; /* unsigned short tid0_rxseq; unsigned short tid1_rxseq; unsigned short tid2_rxseq; unsigned short tid3_rxseq; unsigned short tid4_rxseq; unsigned short tid5_rxseq; unsigned short tid6_rxseq; unsigned short tid7_rxseq; unsigned short tid8_rxseq; unsigned short tid9_rxseq; unsigned short tid10_rxseq; unsigned short tid11_rxseq; unsigned short tid12_rxseq; unsigned short tid13_rxseq; unsigned short tid14_rxseq; unsigned short tid15_rxseq; */ }; 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 signal_stat { u8 update_req; /* used to indicate */ u8 avg_val; /* avg of valid elements */ u32 total_num; /* num of valid elements */ u32 total_val; /* sum of valid elements */ }; struct phy_info { u8 RxPWDBAll; u8 SignalQuality; /* in 0-100 index. */ u8 RxMIMOSignalQuality[RF_PATH_MAX]; /* EVM */ u8 RxMIMOSignalStrength[RF_PATH_MAX];/* 0~100 */ s8 RxPower; /* in dBm Translate from PWdB */ /* Real power in dBm for this packet, no beautification and aggregation. * Keep this raw info to be used for the other procedures. */ s8 RecvSignalPower; u8 BTRxRSSIPercentage; u8 SignalStrength; /* in 0-100 index. */ u8 RxPwr[RF_PATH_MAX];/* per-path's pwdb */ u8 RxSNR[RF_PATH_MAX];/* per-path's SNR */ }; struct rx_pkt_attrib { u16 pkt_len; u8 physt; u8 drvinfo_sz; u8 shift_sz; u8 hdrlen; /* the WLAN Header Len */ u8 amsdu; u8 qos; u8 priority; u8 pw_save; u8 mdata; u16 seq_num; u8 frag_num; u8 mfrag; u8 order; u8 privacy; /* in frame_ctrl field */ u8 bdecrypted; /* when 0 indicate no encrypt. when non-zero, indicate the algorith */ u32 encrypt; u8 iv_len; u8 icv_len; u8 crc_err; u8 icv_err; u16 eth_type; u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; u8 ta[ETH_ALEN]; u8 ra[ETH_ALEN]; u8 bssid[ETH_ALEN]; u8 ack_policy; u8 tcpchk_valid; /* 0: invalid, 1: valid */ u8 ip_chkrpt; /* 0: incorrect, 1: correct */ u8 tcp_chkrpt; /* 0: incorrect, 1: correct */ u8 key_index; u8 mcs_rate; u8 rxht; u8 sgi; u8 pkt_rpt_type; u32 MacIDValidEntry[2]; /* 64 bits present 64 entry. */ struct phy_info phy_info; }; /* These definition is used for Rx packet reordering. */ #define SN_LESS(a, b) (((a-b) & 0x800) != 0) #define SN_EQUAL(a, b) (a == b) #define REORDER_WAIT_TIME (50) /* (ms) */ #define RECVBUFF_ALIGN_SZ 8 #define RXDESC_SIZE 24 #define RXDESC_OFFSET RXDESC_SIZE struct recv_stat { __le32 rxdw0; __le32 rxdw1; __le32 rxdw2; __le32 rxdw3; __le32 rxdw4; __le32 rxdw5; }; /* accesser of recv_priv: rtw_recv_entry23a(dispatch / passive level); \ * recv_thread(passive) ; returnpkt(dispatch) ; halt(passive) ; * * using enter_critical section to protect */ struct recv_priv { spinlock_t lock; struct rtw_queue free_recv_queue; struct rtw_queue recv_pending_queue; struct rtw_queue uc_swdec_pending_queue; int free_recvframe_cnt; struct rtw_adapter *adapter; u32 bIsAnyNonBEPkts; u64 rx_bytes; u64 rx_pkts; u64 rx_drop; u64 last_rx_bytes; uint rx_icv_err; uint rx_largepacket_crcerr; uint rx_smallpacket_crcerr; uint rx_middlepacket_crcerr; /* u8 *pallocated_urb_buf; */ u8 rx_pending_cnt; struct urb *int_in_urb; u8 *int_in_buf; struct tasklet_struct irq_prepare_beacon_tasklet; struct tasklet_struct recv_tasklet; struct sk_buff_head free_recv_skb_queue; struct sk_buff_head rx_skb_queue; u8 *precv_buf; /* For display the phy informatiom */ s8 rxpwdb; u8 signal_strength; u8 signal_qual; u8 noise; int RxSNRdB[2]; s8 RxRssi[2]; int FalseAlmCnt_all; struct timer_list signal_stat_timer; u32 signal_stat_sampling_interval; /* u32 signal_stat_converging_constant; */ struct signal_stat signal_qual_data; struct signal_stat signal_strength_data; }; #define rtw_set_signal_stat_timer(recvpriv) \ mod_timer(&(recvpriv)->signal_stat_timer, jiffies + \ msecs_to_jiffies((recvpriv)->signal_stat_sampling_interval)) struct sta_recv_priv { spinlock_t lock; int option; /* struct rtw_queue blk_strms[MAX_RX_NUMBLKS]; */ struct rtw_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; */ }; struct recv_buf { struct list_head list; struct rtw_adapter *adapter; struct urb *purb; struct sk_buff *pskb; }; /* head -----> * * data -----> * * payload * * tail -----> * * end -----> * * len = (unsigned int )(tail - data); * */ struct recv_frame { struct list_head list; struct sk_buff *pkt; struct rtw_adapter *adapter; struct rx_pkt_attrib attrib; struct sta_info *psta; /* for A-MPDU Rx reordering buffer control */ struct recv_reorder_ctrl *preorder_ctrl; }; /* get a free recv_frame from pfree_recv_queue */ struct recv_frame *rtw_alloc_recvframe23a(struct rtw_queue *pfree_recv_queue); int rtw_free_recvframe23a(struct recv_frame *precvframe); int rtw_enqueue_recvframe23a(struct recv_frame *precvframe, struct rtw_queue *queue); u32 rtw_free_uc_swdec_pending_queue23a(struct rtw_adapter *adapter); int rtw_enqueue_recvbuf23a_to_head(struct recv_buf *precvbuf, struct rtw_queue *queue); int rtw_enqueue_recvbuf23a(struct recv_buf *precvbuf, struct rtw_queue *queue); struct recv_buf *rtw_dequeue_recvbuf23a(struct rtw_queue *queue); void rtw_reordering_ctrl_timeout_handler23a(unsigned long pcontext); static inline s32 translate_percentage_to_dbm(u32 SignalStrengthIndex) { s32 SignalPower; /* in dBm. */ /* Translate to dBm (x=0.5y-95). */ SignalPower = (s32)((SignalStrengthIndex + 1) >> 1); SignalPower -= 95; return SignalPower; } struct sta_info; void _rtw_init_sta_recv_priv23a(struct sta_recv_priv *psta_recvpriv); void mgt_dispatcher23a(struct rtw_adapter *padapter, struct recv_frame *precv_frame); #endif