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/******************************************************************************
*
* 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 <osdep_service.h>
#include <drv_types.h>
#include <Hal8723APhyCfg.h>
#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