drivers/staging/rtl8723au/include/rtw_recv.h - kernel/bruno - Git at Google

 /******************************************************************************
  *
  * 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
	/******************************************************************************
	*
	* 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