drivers/staging/rtl8723au/include/rtw_xmit.h - kernel/quantenna - Git at Google

 /******************************************************************************
  *
  * Copyright(c) 2007 - 2011 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_XMIT_H_
 #define _RTW_XMIT_H_

 #include <osdep_service.h>
 #include <drv_types.h>

 #define MAX_XMITBUF_SZ		2048
 #define NR_XMITBUFF		4

 #define XMITBUF_ALIGN_SZ	512

 /*  xmit extension buff defination */
 #define MAX_XMIT_EXTBUF_SZ	1536
 #define NR_XMIT_EXTBUFF		32

 #define MAX_NUMBLKS		1

 #define XMIT_VO_QUEUE		0
 #define XMIT_VI_QUEUE		1
 #define XMIT_BE_QUEUE		2
 #define XMIT_BK_QUEUE		3

 #define VO_QUEUE_INX		0
 #define VI_QUEUE_INX		1
 #define BE_QUEUE_INX		2
 #define BK_QUEUE_INX		3
 #define BCN_QUEUE_INX		4
 #define MGT_QUEUE_INX		5
 #define HIGH_QUEUE_INX		6
 #define TXCMD_QUEUE_INX		7

 #define HW_QUEUE_ENTRY		8

 #define WEP_IV(pattrib_iv, dot11txpn, keyidx)				\
 do {									\
 	pattrib_iv[0] = dot11txpn._byte_.TSC0;				\
 	pattrib_iv[1] = dot11txpn._byte_.TSC1;				\
 	pattrib_iv[2] = dot11txpn._byte_.TSC2;				\
 	pattrib_iv[3] = ((keyidx & 0x3) << 6);				\
 	dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 :		\
 			 (dot11txpn.val+1);				\
 } while (0)

 #define TKIP_IV(pattrib_iv, dot11txpn, keyidx)				\
 do {									\
 	pattrib_iv[0] = dot11txpn._byte_.TSC1;				\
 	pattrib_iv[1] = (dot11txpn._byte_.TSC1 | 0x20) & 0x7f;		\
 	pattrib_iv[2] = dot11txpn._byte_.TSC0;				\
 	pattrib_iv[3] = BIT(5) | ((keyidx & 0x3)<<6);			\
 	pattrib_iv[4] = dot11txpn._byte_.TSC2;				\
 	pattrib_iv[5] = dot11txpn._byte_.TSC3;				\
 	pattrib_iv[6] = dot11txpn._byte_.TSC4;				\
 	pattrib_iv[7] = dot11txpn._byte_.TSC5;				\
 	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 :	\
 					 (dot11txpn.val+1);		\
 } while (0)

 #define AES_IV(pattrib_iv, dot11txpn, keyidx)\
 do {									\
 	pattrib_iv[0] = dot11txpn._byte_.TSC0;				\
 	pattrib_iv[1] = dot11txpn._byte_.TSC1;				\
 	pattrib_iv[2] = 0;						\
 	pattrib_iv[3] = BIT(5) | ((keyidx & 0x3) << 6);			\
 	pattrib_iv[4] = dot11txpn._byte_.TSC2;				\
 	pattrib_iv[5] = dot11txpn._byte_.TSC3;				\
 	pattrib_iv[6] = dot11txpn._byte_.TSC4;				\
 	pattrib_iv[7] = dot11txpn._byte_.TSC5;				\
 	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 :	\
 					 (dot11txpn.val+1);		\
 } while (0)

 #define HWXMIT_ENTRY	4

 #define TXDESC_SIZE 32

 #define PACKET_OFFSET_SZ 8
 #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)

 struct tx_desc {
 	/* DWORD 0 */
 	__le32 txdw0;
 	__le32 txdw1;
 	__le32 txdw2;
 	__le32 txdw3;
 	__le32 txdw4;
 	__le32 txdw5;
 	__le32 txdw6;
 	__le32 txdw7;
 };

 union txdesc {
 	struct tx_desc txdesc;
 	unsigned int value[TXDESC_SIZE>>2];
 };

 struct	hw_xmit	{
 	struct rtw_queue *sta_queue;
 	int	accnt;
 };

 /* reduce size */
 struct pkt_attrib {
 	u16	type;
 	u8	bswenc;
 	u8	dhcp_pkt;
 	u16	ether_type;
 	u16	seqnum;
 	u16	pkt_hdrlen;	/* the original 802.3 pkt header len */
 	u16	hdrlen;		/* the WLAN Header Len */
 	u32	pktlen;		/* the original 802.3 pkt raw_data len */
 	u32	last_txcmdsz;
 	u32	encrypt;	/* when 0 indicate no encrypt. */
 	u8	nr_frags;
 	u8	iv_len;
 	u8	icv_len;
 	u8	iv[18];
 	u8	icv[16];
 	u8	priority;
 	u8	ack_policy;
 	u8	mac_id;
 	u8	vcs_mode;	/* virtual carrier sense method */
 	u8	dst[ETH_ALEN];
 	u8	src[ETH_ALEN];
 	u8	ta[ETH_ALEN];
 	u8	ra[ETH_ALEN];
 	u8	key_idx;
 	u8	qos_en;
 	u8	ht_en;
 	u8	raid;/* rate adpative id */
 	u8	bwmode;
 	u8	ch_offset;/* PRIME_CHNL_OFFSET */
 	u8	sgi;/* short GI */
 	u8	ampdu_en;/* tx ampdu enable */
 	u8	mdata;/* more data bit */
 	u8	pctrl;/* per packet txdesc control enable */
 	u8	triggered;/* for ap mode handling Power Saving sta */
 	u8	qsel;
 	u8	eosp;
 	u8	rate;
 	u8	retry_ctrl;
 	struct sta_info *psta;
 };

 #define WLANHDR_OFFSET		64

 #define NULL_FRAMETAG		0x0
 #define DATA_FRAMETAG		0x01
 #define L2_FRAMETAG		0x02
 #define MGNT_FRAMETAG		0x03
 #define AMSDU_FRAMETAG		0x04

 #define EII_FRAMETAG		0x05
 #define IEEE8023_FRAMETAG 	0x06

 #define MP_FRAMETAG		0x07

 #define TXAGG_FRAMETAG		0x08

 struct  submit_ctx {
 	u32 timeout_ms; /* <0: not synchronous, 0: wait forever,
 			 * >0: up to ms waiting
 			 */
 	int status; /* status for operation */
 	struct completion done;
 };

 enum {
 	RTW_SCTX_SUBMITTED = -1,
 	RTW_SCTX_DONE_SUCCESS = 0,
 	RTW_SCTX_DONE_UNKNOWN,
 	RTW_SCTX_DONE_TIMEOUT,
 	RTW_SCTX_DONE_BUF_ALLOC,
 	RTW_SCTX_DONE_BUF_FREE,
 	RTW_SCTX_DONE_WRITE_PORT_ERR,
 	RTW_SCTX_DONE_TX_DESC_NA,
 	RTW_SCTX_DONE_TX_DENY,
 	RTW_SCTX_DONE_CCX_PKT_FAIL,
 	RTW_SCTX_DONE_DRV_STOP,
 	RTW_SCTX_DONE_DEV_REMOVE,
 };

 void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms);
 int rtw_sctx_wait23a(struct submit_ctx *sctx);
 void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status);

 struct xmit_buf {
 	struct list_head list, list2;
 	struct rtw_adapter *padapter;

 	u8 *pallocated_buf;
 	u8 *pbuf;
 	void *priv_data;

 	u16 ext_tag; /*  0: Normal xmitbuf, 1: extension xmitbuf. */
 	u16 flags;
 	u32 alloc_sz;
 	u32  len;
 	struct submit_ctx *sctx;
 	u32	ff_hwaddr;
 	struct urb *pxmit_urb[8];
 	u8 bpending[8];
 	int last[8];
 #if defined(DBG_XMIT_BUF) || defined(DBG_XMIT_BUF_EXT)
 	u8 no;
 #endif
 };

 struct xmit_frame {
 	struct list_head	list;
 	struct pkt_attrib attrib;
 	struct sk_buff *pkt;
 	int	frame_tag;
 	struct rtw_adapter *padapter;
 	u8	*buf_addr;
 	struct xmit_buf *pxmitbuf;

 	s8	pkt_offset;

 	u8 ack_report;

 	u8 ext_tag; /* 0:data, 1:mgmt */
 };

 struct tx_servq {
 	struct list_head	tx_pending;
 	struct rtw_queue	sta_pending;
 	int qcnt;
 };

 struct sta_xmit_priv {
 	spinlock_t	lock;
 	int	option;
 	int	apsd_setting;	/* When bit mask is on, the associated edca
 				 * queue supports APSD.
 				 */
 	struct tx_servq	be_q;			/* priority == 0,3 */
 	struct tx_servq	bk_q;			/* priority == 1,2 */
 	struct tx_servq	vi_q;			/* priority == 4,5 */
 	struct tx_servq	vo_q;			/* priority == 6,7 */
 	struct list_head legacy_dz;
 	struct list_head apsd;
 	u16 txseq_tid[16];
 };

 struct	hw_txqueue {
 	volatile int head;
 	volatile int tail;
 	volatile int free_sz;	/* in units of 64 bytes */
 	volatile int free_cmdsz;
 	volatile int txsz[8];
 	uint	ff_hwaddr;
 	uint	cmd_hwaddr;
 	int	ac_tag;
 };

 struct agg_pkt_info {
 	u16 offset;
 	u16 pkt_len;
 };

 struct	xmit_priv {
 	spinlock_t	lock;

 	struct semaphore	xmit_sema;
 	struct semaphore	terminate_xmitthread_sema;

 	struct rtw_queue	be_pending;
 	struct rtw_queue	bk_pending;
 	struct rtw_queue	vi_pending;
 	struct rtw_queue	vo_pending;
 	struct rtw_queue	bm_pending;

 	int free_xmitframe_cnt;
 	struct rtw_queue	free_xmit_queue;

 	int free_xframe_ext_cnt;
 	struct rtw_queue free_xframe_ext_queue;

 	uint	frag_len;

 	struct rtw_adapter	*adapter;

 	u64	tx_bytes;
 	u64	tx_pkts;
 	u64	tx_drop;
 	u64	last_tx_bytes;
 	u64	last_tx_pkts;

 	struct hw_xmit *hwxmits;
 	u8	hwxmit_entry;
 	u8	vcs;
 	u8	nqos_ssn;

 	u8	wmm_para_seq[4];/* sequence for wmm ac parameter strength from
 				 * large to small. it's value is 0->vo, 1->vi,
 				 * 2->be, 3->bk.
 				 */

 	struct semaphore	tx_retevt;/* all tx return event; */

 	struct tasklet_struct xmit_tasklet;

 	struct rtw_queue free_xmitbuf_queue;
 	struct list_head xmitbuf_list;		/* track buffers for cleanup */
 	struct rtw_queue pending_xmitbuf_queue;
 	uint free_xmitbuf_cnt;

 	struct rtw_queue free_xmit_extbuf_queue;
 	struct list_head xmitextbuf_list;	/* track buffers for cleanup */
 	uint free_xmit_extbuf_cnt;

 	int	ack_tx;
 	struct mutex ack_tx_mutex;
 	struct submit_ctx ack_tx_ops;
 	spinlock_t lock_sctx;
 };

 struct xmit_buf *rtw_alloc_xmitbuf23a_ext(struct xmit_priv *pxmitpriv);
 s32 rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv,
 			 struct xmit_buf *pxmitbuf);

 struct xmit_buf *rtw_alloc_xmitbuf23a(struct xmit_priv *pxmitpriv);
 s32 rtw_free_xmitbuf23a(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);

 void rtw_count_tx_stats23a(struct rtw_adapter *padapter,
 			struct xmit_frame *pxmitframe, int sz);
 void rtw_update_protection23a(struct rtw_adapter *padapter, u8 *ie, uint ie_len);
 struct xmit_frame *rtw_alloc_xmitframe23a_ext(struct xmit_priv *pxmitpriv);
 struct xmit_frame *rtw_alloc_xmitframe23a_once(struct xmit_priv *pxmitpriv);
 s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv,
 		       struct xmit_frame *pxmitframe);
 void rtw_free_xmitframe_queue23a(struct xmit_priv *pxmitpriv, struct rtw_queue *pframequeue);
 struct tx_servq *rtw_get_sta_pending23a(struct rtw_adapter *padapter,
 				     struct sta_info *psta, int up, u8 *ac);
 s32 rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
 			     struct xmit_frame *pxmitframe);
 struct xmit_frame *rtw_dequeue_xframe23a(struct xmit_priv *pxmitpriv,
 				      struct hw_xmit *phwxmit_i, int entry);
 s32 rtw_xmit23a_classifier(struct rtw_adapter *padapter,
 			struct xmit_frame *pxmitframe);
 s32 rtw_xmitframe_coalesce23a(struct rtw_adapter *padapter, struct sk_buff *pkt,
 			      struct xmit_frame *pxmitframe);
 s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
 void _rtw_init_sta_xmit_priv23a(struct sta_xmit_priv *psta_xmitpriv);

 s32 rtw_txframes_pending23a(struct rtw_adapter *padapter);
 s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
 				struct pkt_attrib *pattrib);
 void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry);
 int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv,
 			struct rtw_adapter *padapter);
 void _rtw_free_xmit_priv23a(struct xmit_priv *pxmitpriv);
 void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter);
 void rtw_free_hwxmits23a(struct rtw_adapter *padapter);
 int rtw_xmit23a(struct rtw_adapter *padapter, struct sk_buff *pkt);
 #if defined(CONFIG_8723AU_AP_MODE)
 int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter,
 				       struct xmit_frame *pxmitframe);
 void stop_sta_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta);
 void wakeup_sta_to_xmit23a(struct rtw_adapter *padapter, struct sta_info *psta);
 void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
 				  struct sta_info *psta);
 #endif
 u8	qos_acm23a(u8 acm_mask, u8 priority);
 u32	rtw_get_ff_hwaddr23a(struct xmit_frame	*pxmitframe);
 int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms);

 /* include after declaring struct xmit_buf, in order to avoid warning */
 #include <xmit_osdep.h>

 #endif	/* _RTL871X_XMIT_H_ */
	/******************************************************************************
	*
	* Copyright(c) 2007 - 2011 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_XMIT_H_
	#define _RTW_XMIT_H_

	#include <osdep_service.h>
	#include <drv_types.h>

	#define MAX_XMITBUF_SZ 2048
	#define NR_XMITBUFF 4

	#define XMITBUF_ALIGN_SZ 512

	/* xmit extension buff defination */
	#define MAX_XMIT_EXTBUF_SZ 1536
	#define NR_XMIT_EXTBUFF 32

	#define MAX_NUMBLKS 1

	#define XMIT_VO_QUEUE 0
	#define XMIT_VI_QUEUE 1
	#define XMIT_BE_QUEUE 2
	#define XMIT_BK_QUEUE 3

	#define VO_QUEUE_INX 0
	#define VI_QUEUE_INX 1
	#define BE_QUEUE_INX 2
	#define BK_QUEUE_INX 3
	#define BCN_QUEUE_INX 4
	#define MGT_QUEUE_INX 5
	#define HIGH_QUEUE_INX 6
	#define TXCMD_QUEUE_INX 7

	#define HW_QUEUE_ENTRY 8

	#define WEP_IV(pattrib_iv, dot11txpn, keyidx) \
	do { \
	pattrib_iv[0] = dot11txpn._byte_.TSC0; \
	pattrib_iv[1] = dot11txpn._byte_.TSC1; \
	pattrib_iv[2] = dot11txpn._byte_.TSC2; \
	pattrib_iv[3] = ((keyidx & 0x3) << 6); \
	dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : \
	(dot11txpn.val+1); \
	} while (0)

	#define TKIP_IV(pattrib_iv, dot11txpn, keyidx) \
	do { \
	pattrib_iv[0] = dot11txpn._byte_.TSC1; \
	pattrib_iv[1] = (dot11txpn._byte_.TSC1 \| 0x20) & 0x7f; \
	pattrib_iv[2] = dot11txpn._byte_.TSC0; \
	pattrib_iv[3] = BIT(5) \| ((keyidx & 0x3)<<6); \
	pattrib_iv[4] = dot11txpn._byte_.TSC2; \
	pattrib_iv[5] = dot11txpn._byte_.TSC3; \
	pattrib_iv[6] = dot11txpn._byte_.TSC4; \
	pattrib_iv[7] = dot11txpn._byte_.TSC5; \
	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : \
	(dot11txpn.val+1); \
	} while (0)

	#define AES_IV(pattrib_iv, dot11txpn, keyidx)\
	do { \
	pattrib_iv[0] = dot11txpn._byte_.TSC0; \
	pattrib_iv[1] = dot11txpn._byte_.TSC1; \
	pattrib_iv[2] = 0; \
	pattrib_iv[3] = BIT(5) \| ((keyidx & 0x3) << 6); \
	pattrib_iv[4] = dot11txpn._byte_.TSC2; \
	pattrib_iv[5] = dot11txpn._byte_.TSC3; \
	pattrib_iv[6] = dot11txpn._byte_.TSC4; \
	pattrib_iv[7] = dot11txpn._byte_.TSC5; \
	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : \
	(dot11txpn.val+1); \
	} while (0)

	#define HWXMIT_ENTRY 4

	#define TXDESC_SIZE 32

	#define PACKET_OFFSET_SZ 8
	#define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)

	struct tx_desc {
	/* DWORD 0 */
	__le32 txdw0;
	__le32 txdw1;
	__le32 txdw2;
	__le32 txdw3;
	__le32 txdw4;
	__le32 txdw5;
	__le32 txdw6;
	__le32 txdw7;
	};

	union txdesc {
	struct tx_desc txdesc;
	unsigned int value[TXDESC_SIZE>>2];
	};

	struct hw_xmit {
	struct rtw_queue *sta_queue;
	int accnt;
	};

	/* reduce size */
	struct pkt_attrib {
	u16 type;
	u8 bswenc;
	u8 dhcp_pkt;
	u16 ether_type;
	u16 seqnum;
	u16 pkt_hdrlen; /* the original 802.3 pkt header len */
	u16 hdrlen; /* the WLAN Header Len */
	u32 pktlen; /* the original 802.3 pkt raw_data len */
	u32 last_txcmdsz;
	u32 encrypt; /* when 0 indicate no encrypt. */
	u8 nr_frags;
	u8 iv_len;
	u8 icv_len;
	u8 iv[18];
	u8 icv[16];
	u8 priority;
	u8 ack_policy;
	u8 mac_id;
	u8 vcs_mode; /* virtual carrier sense method */
	u8 dst[ETH_ALEN];
	u8 src[ETH_ALEN];
	u8 ta[ETH_ALEN];
	u8 ra[ETH_ALEN];
	u8 key_idx;
	u8 qos_en;
	u8 ht_en;
	u8 raid;/* rate adpative id */
	u8 bwmode;
	u8 ch_offset;/* PRIME_CHNL_OFFSET */
	u8 sgi;/* short GI */
	u8 ampdu_en;/* tx ampdu enable */
	u8 mdata;/* more data bit */
	u8 pctrl;/* per packet txdesc control enable */
	u8 triggered;/* for ap mode handling Power Saving sta */
	u8 qsel;
	u8 eosp;
	u8 rate;
	u8 retry_ctrl;
	struct sta_info *psta;
	};

	#define WLANHDR_OFFSET 64

	#define NULL_FRAMETAG 0x0
	#define DATA_FRAMETAG 0x01
	#define L2_FRAMETAG 0x02
	#define MGNT_FRAMETAG 0x03
	#define AMSDU_FRAMETAG 0x04

	#define EII_FRAMETAG 0x05
	#define IEEE8023_FRAMETAG 0x06

	#define MP_FRAMETAG 0x07

	#define TXAGG_FRAMETAG 0x08

	struct submit_ctx {
	u32 timeout_ms; /* <0: not synchronous, 0: wait forever,
	* >0: up to ms waiting
	*/
	int status; /* status for operation */
	struct completion done;
	};

	enum {
	RTW_SCTX_SUBMITTED = -1,
	RTW_SCTX_DONE_SUCCESS = 0,
	RTW_SCTX_DONE_UNKNOWN,
	RTW_SCTX_DONE_TIMEOUT,
	RTW_SCTX_DONE_BUF_ALLOC,
	RTW_SCTX_DONE_BUF_FREE,
	RTW_SCTX_DONE_WRITE_PORT_ERR,
	RTW_SCTX_DONE_TX_DESC_NA,
	RTW_SCTX_DONE_TX_DENY,
	RTW_SCTX_DONE_CCX_PKT_FAIL,
	RTW_SCTX_DONE_DRV_STOP,
	RTW_SCTX_DONE_DEV_REMOVE,
	};

	void rtw_sctx_init23a(struct submit_ctx *sctx, int timeout_ms);
	int rtw_sctx_wait23a(struct submit_ctx *sctx);
	void rtw23a_sctx_done_err(struct submit_ctx **sctx, int status);

	struct xmit_buf {
	struct list_head list, list2;
	struct rtw_adapter *padapter;

	u8 *pallocated_buf;
	u8 *pbuf;
	void *priv_data;

	u16 ext_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf. */
	u16 flags;
	u32 alloc_sz;
	u32 len;
	struct submit_ctx *sctx;
	u32 ff_hwaddr;
	struct urb *pxmit_urb[8];
	u8 bpending[8];
	int last[8];
	#if defined(DBG_XMIT_BUF) \|\| defined(DBG_XMIT_BUF_EXT)
	u8 no;
	#endif
	};

	struct xmit_frame {
	struct list_head list;
	struct pkt_attrib attrib;
	struct sk_buff *pkt;
	int frame_tag;
	struct rtw_adapter *padapter;
	u8 *buf_addr;
	struct xmit_buf *pxmitbuf;

	s8 pkt_offset;

	u8 ack_report;

	u8 ext_tag; /* 0:data, 1:mgmt */
	};

	struct tx_servq {
	struct list_head tx_pending;
	struct rtw_queue sta_pending;
	int qcnt;
	};

	struct sta_xmit_priv {
	spinlock_t lock;
	int option;
	int apsd_setting; /* When bit mask is on, the associated edca
	* queue supports APSD.
	*/
	struct tx_servq be_q; /* priority == 0,3 */
	struct tx_servq bk_q; /* priority == 1,2 */
	struct tx_servq vi_q; /* priority == 4,5 */
	struct tx_servq vo_q; /* priority == 6,7 */
	struct list_head legacy_dz;
	struct list_head apsd;
	u16 txseq_tid[16];
	};

	struct hw_txqueue {
	volatile int head;
	volatile int tail;
	volatile int free_sz; /* in units of 64 bytes */
	volatile int free_cmdsz;
	volatile int txsz[8];
	uint ff_hwaddr;
	uint cmd_hwaddr;
	int ac_tag;
	};

	struct agg_pkt_info {
	u16 offset;
	u16 pkt_len;
	};

	struct xmit_priv {
	spinlock_t lock;

	struct semaphore xmit_sema;
	struct semaphore terminate_xmitthread_sema;

	struct rtw_queue be_pending;
	struct rtw_queue bk_pending;
	struct rtw_queue vi_pending;
	struct rtw_queue vo_pending;
	struct rtw_queue bm_pending;

	int free_xmitframe_cnt;
	struct rtw_queue free_xmit_queue;

	int free_xframe_ext_cnt;
	struct rtw_queue free_xframe_ext_queue;

	uint frag_len;

	struct rtw_adapter *adapter;

	u64 tx_bytes;
	u64 tx_pkts;
	u64 tx_drop;
	u64 last_tx_bytes;
	u64 last_tx_pkts;

	struct hw_xmit *hwxmits;
	u8 hwxmit_entry;
	u8 vcs;
	u8 nqos_ssn;

	u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength from
	* large to small. it's value is 0->vo, 1->vi,
	* 2->be, 3->bk.
	*/

	struct semaphore tx_retevt;/* all tx return event; */

	struct tasklet_struct xmit_tasklet;

	struct rtw_queue free_xmitbuf_queue;
	struct list_head xmitbuf_list; /* track buffers for cleanup */
	struct rtw_queue pending_xmitbuf_queue;
	uint free_xmitbuf_cnt;

	struct rtw_queue free_xmit_extbuf_queue;
	struct list_head xmitextbuf_list; /* track buffers for cleanup */
	uint free_xmit_extbuf_cnt;

	int ack_tx;
	struct mutex ack_tx_mutex;
	struct submit_ctx ack_tx_ops;
	spinlock_t lock_sctx;
	};

	struct xmit_buf rtw_alloc_xmitbuf23a_ext(struct xmit_priv pxmitpriv);
	s32 rtw_free_xmitbuf_ext23a(struct xmit_priv *pxmitpriv,
	struct xmit_buf *pxmitbuf);

	struct xmit_buf rtw_alloc_xmitbuf23a(struct xmit_priv pxmitpriv);
	s32 rtw_free_xmitbuf23a(struct xmit_priv pxmitpriv, struct xmit_buf pxmitbuf);

	void rtw_count_tx_stats23a(struct rtw_adapter *padapter,
	struct xmit_frame *pxmitframe, int sz);
	void rtw_update_protection23a(struct rtw_adapter padapter, u8 ie, uint ie_len);
	struct xmit_frame rtw_alloc_xmitframe23a_ext(struct xmit_priv pxmitpriv);
	struct xmit_frame rtw_alloc_xmitframe23a_once(struct xmit_priv pxmitpriv);
	s32 rtw_free_xmitframe23a(struct xmit_priv *pxmitpriv,
	struct xmit_frame *pxmitframe);
	void rtw_free_xmitframe_queue23a(struct xmit_priv pxmitpriv, struct rtw_queue pframequeue);
	struct tx_servq rtw_get_sta_pending23a(struct rtw_adapter padapter,
	struct sta_info psta, int up, u8 ac);
	s32 rtw_xmitframe_enqueue23a(struct rtw_adapter *padapter,
	struct xmit_frame *pxmitframe);
	struct xmit_frame rtw_dequeue_xframe23a(struct xmit_priv pxmitpriv,
	struct hw_xmit *phwxmit_i, int entry);
	s32 rtw_xmit23a_classifier(struct rtw_adapter *padapter,
	struct xmit_frame *pxmitframe);
	s32 rtw_xmitframe_coalesce23a(struct rtw_adapter padapter, struct sk_buff pkt,
	struct xmit_frame *pxmitframe);
	s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
	void _rtw_init_sta_xmit_priv23a(struct sta_xmit_priv *psta_xmitpriv);

	s32 rtw_txframes_pending23a(struct rtw_adapter *padapter);
	s32 rtw_txframes_sta_ac_pending23a(struct rtw_adapter *padapter,
	struct pkt_attrib *pattrib);
	void rtw_init_hwxmits23a(struct hw_xmit *phwxmit, int entry);
	int _rtw_init_xmit_priv23a(struct xmit_priv *pxmitpriv,
	struct rtw_adapter *padapter);
	void _rtw_free_xmit_priv23a(struct xmit_priv *pxmitpriv);
	void rtw_alloc_hwxmits23a(struct rtw_adapter *padapter);
	void rtw_free_hwxmits23a(struct rtw_adapter *padapter);
	int rtw_xmit23a(struct rtw_adapter padapter, struct sk_buff pkt);
	#if defined(CONFIG_8723AU_AP_MODE)
	int xmitframe_enqueue_for_sleeping_sta23a(struct rtw_adapter *padapter,
	struct xmit_frame *pxmitframe);
	void stop_sta_xmit23a(struct rtw_adapter padapter, struct sta_info psta);
	void wakeup_sta_to_xmit23a(struct rtw_adapter padapter, struct sta_info psta);
	void xmit_delivery_enabled_frames23a(struct rtw_adapter *padapter,
	struct sta_info *psta);
	#endif
	u8 qos_acm23a(u8 acm_mask, u8 priority);
	u32 rtw_get_ff_hwaddr23a(struct xmit_frame *pxmitframe);
	int rtw_ack_tx_wait23a(struct xmit_priv *pxmitpriv, u32 timeout_ms);

	/* include after declaring struct xmit_buf, in order to avoid warning */
	#include <xmit_osdep.h>

	#endif /* _RTL871X_XMIT_H_ */