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open-ameba/sdk/component/common/drivers/wlan/realtek/include/rtw_recv.h

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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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#ifndef _RTW_RECV_H_
#define _RTW_RECV_H_
#include <hal_pg.h>
#if defined(PLATFORM_ECOS)
#define NR_RECVFRAME 16 //Decrease recv frame due to memory limitation - Alex Fang
#elif defined(PLATFORM_FREERTOS) || defined (PLATFORM_CMSIS_RTOS)
#ifdef CONFIG_RECV_REORDERING_CTRL
#define NR_RECVFRAME 16 //Increase recv frame due to rx reorder - Andy Sun
#else
#if WIFI_LOGO_CERTIFICATION
#define NR_RECVFRAME 8 //Decrease recv frame due to memory limitation - Alex Fang
#else
#ifndef CONFIG_HIGH_TP
#define NR_RECVFRAME 2 //Decrease recv frame due to memory limitation - YangJue
#else
#define NR_RECVFRAME 256
#endif
#endif
#endif
#else
#define NR_RECVFRAME 256
#endif
#ifdef PLATFORM_OS_XP
#define NR_RECVBUFF (16)
#elif defined(PLATFORM_OS_CE)
#define NR_RECVBUFF (4)
#elif defined(PLATFORM_FREERTOS) || defined (PLATFORM_CMSIS_RTOS)
#ifndef CONFIG_HIGH_TP
// #define NR_RECVBUFF (8) //Decrease recv buffer due to memory limitation - Alex Fang
#define NR_RECVBUFF (1) //Decrease recv buffer due to memory limitation - YangJue
#else
#define NR_RECVBUFF (32)
#endif
#else
#if (defined CONFIG_GSPI_HCI || defined CONFIG_SDIO_HCI)
#define NR_RECVBUFF (32)
#else
#define NR_RECVBUFF (4)
#endif
#define NR_PREALLOC_RECV_SKB (8)
#endif
#define RECV_BULK_IN_ADDR 0x80
#define RECV_INT_IN_ADDR 0x81
#define PHY_RSSI_SLID_WIN_MAX 100
#define PHY_LINKQUALITY_SLID_WIN_MAX 20
// Rx smooth factor
#define Rx_Smooth_Factor (20)
#define RXFRAME_ALIGN 8
#define RXFRAME_ALIGN_SZ (1<<RXFRAME_ALIGN)
#define DRVINFO_SZ 4 // unit is 8bytes
#define MAX_RXFRAME_CNT 512
#define MAX_RX_NUMBLKS (32)
#define RECVFRAME_HDR_ALIGN 128
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
#define RX_MPDU_QUEUE 0
#define RX_CMD_QUEUE 1
#define RX_MAX_QUEUE 2
#define MAX_SUBFRAME_COUNT 64
//for Rx reordering buffer control
struct recv_reorder_ctrl
{
_adapter *padapter;
u8 enable;
u16 indicate_seq;//=wstart_b, init_value=0xffff
u16 wend_b;
u8 wsize_b;
_queue pending_recvframe_queue;
_timer 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
};
#if (RTL8195A_SUPPORT==1)
/* struct phy_info must be same with ODM ODM_PHY_INFO_T, see rtl8195a_query_rx_phy_status() */
struct phy_info
{
u8 RxPWDBAll;
u8 SignalQuality; // in 0-100 index.
u8 RxMIMOSignalStrength[MAX_RF_PATH]; // in 0~100 index
s8 RecvSignalPower; // Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures.
u8 SignalStrength; // in 0-100 index.
#if ((RTL8195A_SUPPORT == 0) && (RTL8711B_SUPPORT == 0))
s8 RxMIMOSignalQuality[MAX_RF_PATH]; // per-path's EVM
s8 RxPower; // in dBm Translate from PWdB
u8 BTRxRSSIPercentage;
s8 RxPwr[MAX_RF_PATH]; // per-path's pwdb
u8 RxSNR[MAX_RF_PATH]; // per-path's SNR
u8 btCoexPwrAdjust;
#endif
#if (ODM_IC_11AC_SERIES_SUPPORT)
u8 RxMIMOEVMdbm[MAX_RF_PATH]; // per-path's EVM dbm
s16 Cfo_short[MAX_RF_PATH]; // per-path's Cfo_short
s16 Cfo_tail[MAX_RF_PATH]; // per-path's Cfo_tail
u8 BandWidth;
#endif
};
#elif(RTL8188F_SUPPORT == 1)
struct phy_info
{
u8 RxPWDBAll;
u8 SignalQuality; // in 0-100 index.
s8 RxMIMOSignalQuality[MAX_RF_PATH]; //per-path's EVM
u8 RxMIMOEVMdbm[MAX_RF_PATH]; //per-path's EVM dbm
u8 RxMIMOSignalStrength[MAX_RF_PATH];// in 0~100 index
u16 Cfo_short[MAX_RF_PATH]; // per-path's Cfo_short
u16 Cfo_tail[MAX_RF_PATH]; // per-path's Cfo_tail
s8 RxPower; // in dBm Translate from PWdB
s8 RecvSignalPower;// Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures.
u8 BTRxRSSIPercentage;
u8 SignalStrength; // in 0-100 index.
s8 RxPwr[MAX_RF_PATH]; //per-path's pwdb
u8 RxSNR[MAX_RF_PATH]; //per-path's SNR
u8 BandWidth;
u8 btCoexPwrAdjust;
};
#elif(RTL8711B_SUPPORT == 1)
struct phy_info
{
u8 RxPWDBAll;
u8 SignalQuality; /* in 0-100 index. */
s8 RxMIMOSignalQuality[4]; /* per-path's EVM */
u8 RxMIMOEVMdbm[4]; /* per-path's EVM dbm */
u8 RxMIMOSignalStrength[4]; /* in 0~100 index */
s16 Cfo_short[4]; /* per-path's Cfo_short */
s16 Cfo_tail[4]; /* per-path's Cfo_tail */
s8 RxPower; /* in dBm Translate from PWdB */
s8 RecvSignalPower; /* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */
u8 BTRxRSSIPercentage;
u8 SignalStrength; /* in 0-100 index. */
s8 RxPwr[4]; /* per-path's pwdb */
s8 RxSNR[4]; /* per-path's SNR */
u8 RxCount:2; /* RX path counter---*/
u8 BandWidth:2;
u8 rxsc:4; /* sub-channel---*/
u8 btCoexPwrAdjust;
u8 channel; /* channel number---*/
u8 bMuPacket; /* is MU packet or not---*/
u8 bBeamformed; /* BF packet---*/
};
#else
#define MAX_PATH_NUM_92CS 2
struct phy_info //ODM_PHY_INFO_T
{
u8 RxPWDBAll;
u8 SignalQuality; // in 0-100 index.
u8 RxMIMOSignalQuality[MAX_PATH_NUM_92CS]; //EVM
u8 RxMIMOSignalStrength[MAX_PATH_NUM_92CS];// in 0~100 index
s8 RxPower; // in dBm Translate from PWdB
s8 RecvSignalPower;// Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures.
u8 BTRxRSSIPercentage;
u8 SignalStrength; // in 0-100 index.
u8 RxPwr[MAX_PATH_NUM_92CS];//per-path's pwdb
u8 RxSNR[MAX_PATH_NUM_92CS];//per-path's SNR
};
#endif
struct rx_pkt_attrib {
u16 pkt_len;
u8 physt;
u8 drvinfo_sz;
u8 shift_sz;
u8 hdrlen; //the WLAN Header Len
u8 to_fr_ds;
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;
u8 encrypt; //when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith
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;
//#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
u8 tcpchk_valid; // 0: invalid, 1: valid
u8 ip_chkrpt; //0: incorrect, 1: correct
u8 tcp_chkrpt; //0: incorrect, 1: correct
//#endif
u8 key_index;
u8 mcs_rate;
u8 rxht;
u8 sgi;
u8 pkt_rpt_type;
u32 MacIDValidEntry[2]; // 64 bits present 64 entry.
u8 data_rate;
/*
u8 signal_qual;
s8 rx_mimo_signal_qual[2];
u8 signal_strength;
u32 RxPWDBAll;
s32 RecvSignalPower;
*/
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_WIN_SIZE 128
//#define REORDER_ENTRY_NUM 128
#define REORDER_WAIT_TIME (30) // (ms)
#define RECVBUFF_ALIGN_SZ 8
#define RXDESC_SIZE 24
#define RXDESC_OFFSET RXDESC_SIZE
struct recv_stat
{
unsigned int rxdw0;
unsigned int rxdw1;
unsigned int rxdw2;
unsigned int rxdw3;
unsigned int rxdw4;
unsigned int rxdw5;
#ifdef CONFIG_PCI_HCI
unsigned int rxdw6;
unsigned int rxdw7;
#endif
};
struct recv_buf_stat {
unsigned int rxdw0;
unsigned int rxdw1;
};
#define EOR BIT(30)
#if defined(CONFIG_LX_HCI)
#define LX_MAX_RX_QUEUE 1// MSDU packet queue, Rx Command Queue
#define LX_MAX_RX_COUNT 4//RX_Q_DESC_NUM// 128
struct rtw_rx_ring {
#if ((RTL8195A_SUPPORT ==1) ||(RTL8711B_SUPPORT == 1))
struct recv_buf_stat *desc;
#else
struct recv_stat *desc;
#endif
dma_addr_t dma;
unsigned int idx;
struct sk_buff *rx_buf[LX_MAX_RX_COUNT];
};
#endif
/*
accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
; halt(passive) ;
using enter_critical section to protect
*/
struct recv_priv
{
_lock lock;
//_queue blk_strms[MAX_RX_NUMBLKS]; // keeping the block ack frame until return ack
_queue free_recv_queue;
_queue recv_pending_queue;
_queue uc_swdec_pending_queue;
u8 *pallocated_frame_buf;
u8 *precv_frame_buf;
uint free_recvframe_cnt;
_adapter *adapter;
#ifdef PLATFORM_WINDOWS
_nic_hdl RxPktPoolHdl;
_nic_hdl RxBufPoolHdl;
#ifdef PLATFORM_OS_XP
PMDL pbytecnt_mdl;
#endif
uint counter; //record the number that up-layer will return to drv; only when counter==0 can we release recv_priv
NDIS_EVENT recv_resource_evt ;
#endif
u32 bIsAnyNonBEPkts;
u64 rx_bytes;
u64 rx_pkts;
u64 rx_drop;
u64 rx_overflow;
u64 last_rx_bytes;
uint rx_icv_err;
uint rx_largepacket_crcerr;
uint rx_smallpacket_crcerr;
uint rx_middlepacket_crcerr;
#ifdef CONFIG_USB_HCI
//u8 *pallocated_urb_buf;
_sema allrxreturnevt;
uint ff_hwaddr;
u8 rx_pending_cnt;
#ifdef CONFIG_USB_INTERRUPT_IN_PIPE
#ifdef PLATFORM_LINUX
PURB int_in_urb;
#endif
u8 *int_in_buf;
#endif //CONFIG_USB_INTERRUPT_IN_PIPE
#endif
#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
#ifdef PLATFORM_FREEBSD
struct task irq_prepare_beacon_tasklet;
struct task recv_tasklet;
#else //PLATFORM_FREEBSD
struct tasklet_struct irq_prepare_beacon_tasklet;
struct tasklet_struct recv_tasklet;
#endif //PLATFORM_FREEBSD
struct sk_buff_head free_recv_skb_queue;
struct sk_buff_head rx_skb_queue;
#ifdef CONFIG_RX_INDICATE_QUEUE
struct task rx_indicate_tasklet;
struct ifqueue rx_indicate_queue;
#endif // CONFIG_RX_INDICATE_QUEUE
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
_queue recv_buf_pending_queue;
#endif // CONFIG_USE_USB_BUFFER_ALLOC_RX
#endif //defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
u8 *pallocated_recv_buf;
u8 *precv_buf; // 4 alignment
_queue free_recv_buf_queue;
u32 free_recv_buf_queue_cnt;
#if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
_queue recv_buf_pending_queue;
#endif
#if defined(CONFIG_PCI_HCI) || defined(CONFIG_LX_HCI)
// Rx
struct rtw_rx_ring rx_ring[LX_MAX_RX_QUEUE];
int rxringcount;
u16 rxbuffersize;
#endif
//For display the phy informatiom
u8 is_signal_dbg; // for debug
u8 signal_strength_dbg; // for debug
s8 rssi;
s8 rxpwdb;
u8 signal_strength;
u8 signal_qual;
u8 noise;
int RxSNRdB[2];
s8 RxRssi[2];
int FalseAlmCnt_all;
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
_timer 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;
#else //CONFIG_NEW_SIGNAL_STAT_PROCESS
struct smooth_rssi_data signal_qual_data;
struct smooth_rssi_data signal_strength_data;
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
#ifdef CONFIG_PROMISC
u8 promisc_enabled;
u8 promisc_len_used;
_list promisc_list;
_lock promisc_lock;
u32 promisc_bk_rcr;
u16 promisc_bk_rxfltmap2;
u8 promisc_mgntframe_enabled;
#endif
};
#ifdef CONFIG_NEW_SIGNAL_STAT_PROCESS
#define rtw_set_signal_stat_timer(recvpriv) rtw_set_timer(&(recvpriv)->signal_stat_timer, (recvpriv)->signal_stat_sampling_interval)
#endif //CONFIG_NEW_SIGNAL_STAT_PROCESS
struct sta_recv_priv {
_lock lock;
sint option;
//_queue blk_strms[MAX_RX_NUMBLKS];
_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
{
_list list;
// _lock recvbuf_lock;
// u32 ref_cnt;
PADAPTER adapter;
// u8 *pbuf;
// u8 *pallocated_buf;
u32 len;
u8 *phead;
u8 *pdata;
u8 *ptail;
u8 *pend;
#ifdef CONFIG_USB_HCI
#if defined(PLATFORM_OS_XP)||defined(PLATFORM_LINUX)||defined(PLATFORM_FREEBSD)
PURB purb;
dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
u32 alloc_sz;
#endif
#ifdef PLATFORM_OS_XP
PIRP pirp;
#endif
#ifdef PLATFORM_OS_CE
USB_TRANSFER usb_transfer_read_port;
#endif
u8 irp_pending;
int transfer_len;
#endif
#if defined(PLATFORM_LINUX) || defined(PLATFORM_ECOS) || defined(PLATFORM_FREERTOS) || defined (PLATFORM_CMSIS_RTOS)
_pkt *pskb;
// u8 reuse;
#endif
#ifdef PLATFORM_FREEBSD //skb solution
struct sk_buff *pskb;
u8 reuse;
#endif //PLATFORM_FREEBSD //skb solution
};
/*
head ----->
data ----->
payload
tail ----->
end ----->
len = (unsigned int )(tail - data);
*/
struct recv_frame_hdr
{
_list list;
#ifndef CONFIG_BSD_RX_USE_MBUF
struct sk_buff *pkt;
struct sk_buff *pkt_newalloc;
#else // CONFIG_BSD_RX_USE_MBUF
_pkt *pkt;
_pkt *pkt_newalloc;
#endif // CONFIG_BSD_RX_USE_MBUF
_adapter *adapter;
u8 fragcnt;
int frame_tag;
struct rx_pkt_attrib attrib;
uint len;
u8 *rx_head;
u8 *rx_data;
u8 *rx_tail;
u8 *rx_end;
void *precvbuf;
//
struct sta_info *psta;
#ifdef CONFIG_RECV_REORDERING_CTRL
//for A-MPDU Rx reordering buffer control
struct recv_reorder_ctrl *preorder_ctrl;
#endif
#ifdef CONFIG_WAPI_SUPPORT
u8 UserPriority;
u8 WapiTempPN[16];
u8 WapiSrcAddr[6];
u8 bWapiCheckPNInDecrypt;
u8 bIsWaiPacket;
#endif
};
union recv_frame{
union{
_list list;
struct recv_frame_hdr hdr;
uint mem[RECVFRAME_HDR_ALIGN>>2];
}u;
//uint mem[MAX_RXSZ>>2];
};
typedef enum _RX_PACKET_TYPE{
NORMAL_RX,//Normal rx packet
TX_REPORT1,//CCX
TX_REPORT2,//TX RPT
HIS_REPORT,// USB HISR RPT
C2H_PACKET
}RX_PACKET_TYPE, *PRX_PACKET_TYPE;
extern union recv_frame *_rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
extern void rtw_init_recvframe(union recv_frame *precvframe ,struct recv_priv *precvpriv);
extern int rtw_free_recvframe(union recv_frame *precvframe, _queue *pfree_recv_queue);
#define rtw_dequeue_recvframe(queue) rtw_alloc_recvframe(queue)
extern int _rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
#ifdef CONFIG_TRACE_SKB
int __rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
union recv_frame *__rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
#define rtw_enqueue_recvframe(precvframe, queue, Q) \
do{\
set_skb_list_flag(precvframe->u.hdr.pkt, SKBLIST_RECVFRAME_##Q);\
__rtw_enqueue_recvframe(precvframe, queue);\
}while (0)
#define rtw_alloc_recvframe(queue, precvframe, Q) \
(\
precvframe = __rtw_alloc_recvframe(queue),\
precvframe ? clear_skb_list_flag(precvframe->u.hdr.pkt, SKBLIST_RECVFRAME_##Q):0,\
precvframe\
)
#else
extern int rtw_enqueue_recvframe(union recv_frame *precvframe, _queue *queue);
extern union recv_frame *rtw_alloc_recvframe (_queue *pfree_recv_queue); //get a free recv_frame from pfree_recv_queue
#endif
extern void rtw_free_recvframe_queue(_queue *pframequeue, _queue *pfree_recv_queue);
u32 rtw_free_uc_swdec_pending_queue(_adapter *adapter);
#ifdef CONFIG_TRACE_SKB
sint _rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
sint _rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
struct recv_buf *_rtw_dequeue_recvbuf (_queue *queue);
#define rtw_enqueue_recvbuf_to_head(precvbuf, queue, Q) \
do{\
set_skb_list_flag(precvbuf->pskb, SKBLIST_RECVBUF_##Q);\
_rtw_enqueue_recvbuf_to_head(precvbuf, queue);\
}while (0)
#define rtw_enqueue_recvbuf(precvbuf, queue, Q) \
do{\
set_skb_list_flag(precvbuf->pskb, SKBLIST_RECVBUF_##Q);\
_rtw_enqueue_recvbuf(precvbuf, queue);\
}while (0)
#define rtw_dequeue_recvbuf(queue, precvbuf, Q) \
(\
precvbuf = _rtw_dequeue_recvbuf(queue),\
precvbuf ? clear_skb_list_flag(precvbuf->pskb, SKBLIST_RECVBUF_##Q):0,\
precvbuf\
)
#else
sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, _queue *queue);
sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, _queue *queue);
struct recv_buf *rtw_dequeue_recvbuf (_queue *queue);
#endif
void rtw_reordering_ctrl_timeout_handler(void *pcontext);
__inline static u8 *get_rxmem(union recv_frame *precvframe)
{
//always return rx_head...
if(precvframe==NULL)
return NULL;
return precvframe->u.hdr.rx_head;
}
__inline static u8 *get_rx_status(union recv_frame *precvframe)
{
return get_rxmem(precvframe);
}
__inline static u8 *get_recvframe_data(union recv_frame *precvframe)
{
//alwasy return rx_data
if(precvframe==NULL)
return NULL;
return precvframe->u.hdr.rx_data;
}
//TODO
#if 0
__inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
{
// append data before rx_data
/* add data to the start of recv_frame
*
* This function extends the used data area of the recv_frame at the buffer
* start. rx_data must be still larger than rx_head, after pushing.
*/
if(precvframe==NULL)
return NULL;
precvframe->u.hdr.rx_data -= sz ;
if( precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head )
{
precvframe->u.hdr.rx_data += sz ;
return NULL;
}
precvframe->u.hdr.len +=sz;
return precvframe->u.hdr.rx_data;
}
#endif //#if 0
__inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
{
// rx_data += sz; move rx_data sz bytes hereafter
//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;
}
__inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
{
// rx_tai += sz; move rx_tail sz bytes hereafter
//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;
}
__inline static 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;
}
__inline static _buffer * get_rxbuf_desc(union recv_frame *precvframe)
{
_buffer * buf_desc = NULL;
if(precvframe==NULL)
return NULL;
#ifdef PLATFORM_WINDOWS
NdisQueryPacket(precvframe->u.hdr.pkt, NULL, NULL, &buf_desc, NULL);
#endif
return buf_desc;
}
__inline static union recv_frame *rxmem_to_recvframe(u8 *rxmem)
{
//due to the design of 2048 bytes alignment of recv_frame, we can reference the union recv_frame
//from any given member of recv_frame.
// rxmem indicates the any member/address in recv_frame
return (union recv_frame*)(((SIZE_PTR)rxmem >> RXFRAME_ALIGN) << RXFRAME_ALIGN);
}
__inline static union recv_frame *pkt_to_recvframe(_pkt *pkt)
{
u8 * buf_star = NULL;
union recv_frame * precv_frame = NULL;
#ifdef PLATFORM_WINDOWS
_buffer * buf_desc;
uint len;
NdisQueryPacket(pkt, NULL, NULL, &buf_desc, &len);
NdisQueryBufferSafe(buf_desc, &buf_star, &len, HighPagePriority);
#endif
precv_frame = rxmem_to_recvframe((unsigned char*)buf_star);
return precv_frame;
}
__inline static u8 *pkt_to_recvmem(_pkt *pkt)
{
// return the rx_head
union recv_frame * precv_frame = pkt_to_recvframe(pkt);
return precv_frame->u.hdr.rx_head;
}
__inline static u8 *pkt_to_recvdata(_pkt *pkt)
{
// return the rx_data
union recv_frame * precv_frame =pkt_to_recvframe(pkt);
return precv_frame->u.hdr.rx_data;
}
__inline static sint get_recvframe_len(union recv_frame *precvframe)
{
return precvframe->u.hdr.len;
}
__inline static s32 translate_percentage_to_dbm(u32 SignalStrengthIndex)
{
s32 SignalPower; // in dBm.
#ifndef CONFIG_SKIP_SIGNAL_SCALE_MAPPING
// Translate to dBm (x=0.9y-95).
SignalPower = (s32)((SignalStrengthIndex *18) /20);
SignalPower -= 95;
#else
/* Translate to dBm (x=y-100) */
SignalPower = SignalStrengthIndex - 100;
#endif
return SignalPower;
}
struct sta_info;
extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
extern void mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);
int process_recv_indicatepkts(_adapter *padapter, union recv_frame *prframe);
void rtw_rxhandler(_adapter * padapter, struct recv_buf *precvbuf);
u32 rtw_free_buf_pending_queue(_adapter *adapter);
#endif
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