[deliverable/linux.git] / drivers / staging / rtl8188eu / include / rtw_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	(20480)	/*  20k */
#define NR_XMITBUFF		(4)

#define XMITBUF_ALIGN_SZ	4

/*  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;
};

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

/* reduce size */
struct pkt_attrib {
	u8	type;
	u8	subtype;
	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 (not include
				 * ether_hdr data) */
	u32	last_txcmdsz;
	u8	nr_frags;
	u8	encrypt;	/* when 0 indicate no encrypt. when non-zero,
				 * indicate the encrypt algorith */
	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	intel_proxim;
	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 submit_time; /* */
	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_init(struct submit_ctx *sctx, int timeout_ms);
int rtw_sctx_wait(struct submit_ctx *sctx);
void rtw_sctx_done_err(struct submit_ctx **sctx, int status);

struct xmit_buf {
	struct list_head list;
	struct 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];
	dma_addr_t dma_transfer_addr;	/* (in) dma addr for transfer_buffer */
	u8 bpending[8];
	int last[8];
};

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

	u8	agg_num;
	s8	pkt_offset;
	u8 ack_report;
};

struct tx_servq {
	struct list_head tx_pending;
	struct __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	xmit_priv {
	spinlock_t lock;
	struct __queue be_pending;
	struct __queue bk_pending;
	struct __queue vi_pending;
	struct __queue vo_pending;
	struct __queue bm_pending;
	u8 *pallocated_frame_buf;
	u8 *pxmit_frame_buf;
	uint free_xmitframe_cnt;
	struct __queue free_xmit_queue;
	uint	frag_len;
	struct adapter	*adapter;
	u8   vcs_setting;
	u8	vcs;
	u8	vcs_type;
	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	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. */
	u8		txirp_cnt;/*  */
	struct tasklet_struct xmit_tasklet;
	/* per AC pending irp */
	int beq_cnt;
	int bkq_cnt;
	int viq_cnt;
	int voq_cnt;
	struct __queue free_xmitbuf_queue;
	struct __queue pending_xmitbuf_queue;
	u8 *pallocated_xmitbuf;
	u8 *pxmitbuf;
	uint free_xmitbuf_cnt;
	struct __queue free_xmit_extbuf_queue;
	u8 *pallocated_xmit_extbuf;
	u8 *pxmit_extbuf;
	uint free_xmit_extbuf_cnt;
	u16	nqos_ssn;
	int	ack_tx;
	struct mutex ack_tx_mutex;
	struct submit_ctx ack_tx_ops;
};

struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv,
			 struct xmit_buf *pxmitbuf);
struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv,
		     struct xmit_buf *pxmitbuf);
void rtw_count_tx_stats(struct adapter *padapter,
			struct xmit_frame *pxmitframe, int sz);
void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len);
s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr,
		     struct pkt_attrib *pattrib);
s32 rtw_put_snap(u8 *data, u16 h_proto);

struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv,
		       struct xmit_frame *pxmitframe);
void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
			      struct __queue *pframequeue);
struct tx_servq *rtw_get_sta_pending(struct adapter *padapter,
				     struct sta_info *psta, int up, u8 *ac);
s32 rtw_xmitframe_enqueue(struct adapter *padapter,
			  struct xmit_frame *pxmitframe);
struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv,
				      struct hw_xmit *phwxmit_i, int entry);

s32 rtw_xmit_classifier(struct adapter *padapter,
			struct xmit_frame *pxmitframe);
u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
#define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
s32 rtw_xmitframe_coalesce(struct 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_priv(struct sta_xmit_priv *psta_xmitpriv);
s32 rtw_txframes_pending(struct adapter *padapter);
s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
				struct pkt_attrib *pattrib);
void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter);
void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
void rtw_alloc_hwxmits(struct adapter *padapter);
void rtw_free_hwxmits(struct adapter *padapter);
s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt);

#if defined(CONFIG_88EU_AP_MODE)
int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_frame *pxmitframe);
void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta);
void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta);
void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *psta);
#endif

u8	qos_acm(u8 acm_mask, u8 priority);
u32	rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);

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

#endif	/* _RTL871X_XMIT_H_ */
Commit	Line	Data
7f8a0fba LF	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of version 2 of the GNU General Public License as
	7	* published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
7f8a0fba LF	14	******************************************************************************/
	15	#ifndef _RTW_XMIT_H_
	16	#define _RTW_XMIT_H_
	17
	18	#include <osdep_service.h>
	19	#include <drv_types.h>
	20
	21	#define MAX_XMITBUF_SZ (20480) /* 20k */
	22	#define NR_XMITBUFF (4)
	23
	24	#define XMITBUF_ALIGN_SZ 4
	25
	26	/* xmit extension buff defination */
	27	#define MAX_XMIT_EXTBUF_SZ (1536)
	28	#define NR_XMIT_EXTBUFF (32)
	29
	30	#define MAX_NUMBLKS (1)
	31
	32	#define XMIT_VO_QUEUE (0)
	33	#define XMIT_VI_QUEUE (1)
	34	#define XMIT_BE_QUEUE (2)
	35	#define XMIT_BK_QUEUE (3)
	36
	37	#define VO_QUEUE_INX 0
	38	#define VI_QUEUE_INX 1
	39	#define BE_QUEUE_INX 2
	40	#define BK_QUEUE_INX 3
	41	#define BCN_QUEUE_INX 4
	42	#define MGT_QUEUE_INX 5
	43	#define HIGH_QUEUE_INX 6
	44	#define TXCMD_QUEUE_INX 7
	45
	46	#define HW_QUEUE_ENTRY 8
	47
	48	#define WEP_IV(pattrib_iv, dot11txpn, keyidx)\
	49	do {\
	50	pattrib_iv[0] = dot11txpn._byte_.TSC0;\
	51	pattrib_iv[1] = dot11txpn._byte_.TSC1;\
	52	pattrib_iv[2] = dot11txpn._byte_.TSC2;\
	53	pattrib_iv[3] = ((keyidx & 0x3)<<6);\
	54	dot11txpn.val = (dot11txpn.val == 0xffffff) ? 0 : (dot11txpn.val+1);\
	55	} while (0)
	56
	57
	58	#define TKIP_IV(pattrib_iv, dot11txpn, keyidx)\
	59	do {\
	60	pattrib_iv[0] = dot11txpn._byte_.TSC1;\
	61	pattrib_iv[1] = (dot11txpn._byte_.TSC1 \| 0x20) & 0x7f;\
	62	pattrib_iv[2] = dot11txpn._byte_.TSC0;\
	63	pattrib_iv[3] = BIT(5) \| ((keyidx & 0x3)<<6);\
	64	pattrib_iv[4] = dot11txpn._byte_.TSC2;\
	65	pattrib_iv[5] = dot11txpn._byte_.TSC3;\
	66	pattrib_iv[6] = dot11txpn._byte_.TSC4;\
	67	pattrib_iv[7] = dot11txpn._byte_.TSC5;\
	68	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
	69	} while (0)
	70
	71	#define AES_IV(pattrib_iv, dot11txpn, keyidx)\
	72	do { \
	73	pattrib_iv[0] = dot11txpn._byte_.TSC0; \
	74	pattrib_iv[1] = dot11txpn._byte_.TSC1; \
	75	pattrib_iv[2] = 0; \
	76	pattrib_iv[3] = BIT(5) \| ((keyidx & 0x3)<<6); \
	77	pattrib_iv[4] = dot11txpn._byte_.TSC2; \
78	pattrib_iv[5] = dot11txpn._byte_.TSC3; \
79	pattrib_iv[6] = dot11txpn._byte_.TSC4; \
80	pattrib_iv[7] = dot11txpn._byte_.TSC5; \
81	dot11txpn.val = dot11txpn.val == 0xffffffffffffULL ? 0 : (dot11txpn.val+1);\
82	} while (0)
83
84	#define HWXMIT_ENTRY 4
85
86	#define TXDESC_SIZE 32
87
88	#define PACKET_OFFSET_SZ (8)
89	#define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ)
90
91	struct tx_desc {
92	/* DWORD 0 */
93	__le32 txdw0;
94	__le32 txdw1;
95	__le32 txdw2;
96	__le32 txdw3;
97	__le32 txdw4;
98	__le32 txdw5;
99	__le32 txdw6;
100	__le32 txdw7;
101	};
102
7f8a0fba LF	103	struct hw_xmit {
	104	struct __queue *sta_queue;
	105	int accnt;
	106	};
	107
	108	/* reduce size */
	109	struct pkt_attrib {
	110	u8 type;
	111	u8 subtype;
	112	u8 bswenc;
	113	u8 dhcp_pkt;
	114	u16 ether_type;
	115	u16 seqnum;
	116	u16 pkt_hdrlen; /* the original 802.3 pkt header len */
	117	u16 hdrlen; /* the WLAN Header Len */
	118	u32 pktlen; /* the original 802.3 pkt raw_data len (not include
	119	* ether_hdr data) */
	120	u32 last_txcmdsz;
	121	u8 nr_frags;
	122	u8 encrypt; /* when 0 indicate no encrypt. when non-zero,
	123	* indicate the encrypt algorith */
	124	u8 iv_len;
	125	u8 icv_len;
	126	u8 iv[18];
	127	u8 icv[16];
	128	u8 priority;
	129	u8 ack_policy;
	130	u8 mac_id;
	131	u8 vcs_mode; /* virtual carrier sense method */
	132	u8 dst[ETH_ALEN];
	133	u8 src[ETH_ALEN];
	134	u8 ta[ETH_ALEN];
	135	u8 ra[ETH_ALEN];
	136	u8 key_idx;
	137	u8 qos_en;
	138	u8 ht_en;
	139	u8 raid;/* rate adpative id */
	140	u8 bwmode;
	141	u8 ch_offset;/* PRIME_CHNL_OFFSET */
	142	u8 sgi;/* short GI */
	143	u8 ampdu_en;/* tx ampdu enable */
	144	u8 mdata;/* more data bit */
	145	u8 pctrl;/* per packet txdesc control enable */
	146	u8 triggered;/* for ap mode handling Power Saving sta */
	147	u8 qsel;
	148	u8 eosp;
	149	u8 rate;
	150	u8 intel_proxim;
	151	u8 retry_ctrl;
	152	struct sta_info *psta;
	153	};
	154
	155	#define WLANHDR_OFFSET 64
	156
	157	#define NULL_FRAMETAG (0x0)
	158	#define DATA_FRAMETAG 0x01
	159	#define L2_FRAMETAG 0x02
	160	#define MGNT_FRAMETAG 0x03
	161	#define AMSDU_FRAMETAG 0x04
	162
	163	#define EII_FRAMETAG 0x05
	164	#define IEEE8023_FRAMETAG 0x06
	165
	166	#define MP_FRAMETAG 0x07
167
168	#define TXAGG_FRAMETAG 0x08
169
170	struct submit_ctx {
171	u32 submit_time; /* */
172	u32 timeout_ms; /* <0: not synchronous, 0: wait forever, >0: up to ms waiting */
173	int status; /* status for operation */
174	struct completion done;
175	};
176
177	enum {
178	RTW_SCTX_SUBMITTED = -1,
179	RTW_SCTX_DONE_SUCCESS = 0,
180	RTW_SCTX_DONE_UNKNOWN,
181	RTW_SCTX_DONE_TIMEOUT,
182	RTW_SCTX_DONE_BUF_ALLOC,
183	RTW_SCTX_DONE_BUF_FREE,
184	RTW_SCTX_DONE_WRITE_PORT_ERR,
185	RTW_SCTX_DONE_TX_DESC_NA,
186	RTW_SCTX_DONE_TX_DENY,
187	RTW_SCTX_DONE_CCX_PKT_FAIL,
188	RTW_SCTX_DONE_DRV_STOP,
189	RTW_SCTX_DONE_DEV_REMOVE,
190	};
191
192	void rtw_sctx_init(struct submit_ctx *sctx, int timeout_ms);
193	int rtw_sctx_wait(struct submit_ctx *sctx);
194	void rtw_sctx_done_err(struct submit_ctx **sctx, int status);
7f8a0fba LF	195
	196	struct xmit_buf {
	197	struct list_head list;
	198	struct adapter *padapter;
	199	u8 *pallocated_buf;
	200	u8 *pbuf;
	201	void *priv_data;
	202	u16 ext_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf. */
	203	u16 flags;
	204	u32 alloc_sz;
	205	u32 len;
	206	struct submit_ctx *sctx;
	207	u32 ff_hwaddr;
	208	struct urb *pxmit_urb[8];
	209	dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
	210	u8 bpending[8];
	211	int last[8];
	212	};
	213
	214	struct xmit_frame {
	215	struct list_head list;
	216	struct pkt_attrib attrib;
	217	struct sk_buff *pkt;
	218	int frame_tag;
	219	struct adapter *padapter;
	220	u8 *buf_addr;
	221	struct xmit_buf *pxmitbuf;
	222
	223	u8 agg_num;
	224	s8 pkt_offset;
	225	u8 ack_report;
	226	};
	227
	228	struct tx_servq {
	229	struct list_head tx_pending;
	230	struct __queue sta_pending;
	231	int qcnt;
	232	};
	233
	234	struct sta_xmit_priv {
	235	spinlock_t lock;
	236	int option;
	237	int apsd_setting; /* When bit mask is on, the associated edca
	238	* queue supports APSD. */
	239	struct tx_servq be_q; /* priority == 0,3 */
	240	struct tx_servq bk_q; /* priority == 1,2 */
	241	struct tx_servq vi_q; /* priority == 4,5 */
	242	struct tx_servq vo_q; /* priority == 6,7 */
	243	struct list_head legacy_dz;
	244	struct list_head apsd;
	245	u16 txseq_tid[16];
	246	};
	247
	248	struct hw_txqueue {
	249	volatile int head;
	250	volatile int tail;
	251	volatile int free_sz; /* in units of 64 bytes */
	252	volatile int free_cmdsz;
	253	volatile int txsz[8];
	254	uint ff_hwaddr;
	255	uint cmd_hwaddr;
	256	int ac_tag;
	257	};
	258
7f8a0fba LF	259	struct xmit_priv {
7f8a0fba LF	260	spinlock_t lock;
7f8a0fba LF	261	struct __queue be_pending;
	262	struct __queue bk_pending;
	263	struct __queue vi_pending;
	264	struct __queue vo_pending;
	265	struct __queue bm_pending;
	266	u8 *pallocated_frame_buf;
	267	u8 *pxmit_frame_buf;
	268	uint free_xmitframe_cnt;
	269	struct __queue free_xmit_queue;
	270	uint frag_len;
	271	struct adapter *adapter;
	272	u8 vcs_setting;
	273	u8 vcs;
	274	u8 vcs_type;
	275	u64 tx_bytes;
	276	u64 tx_pkts;
	277	u64 tx_drop;
	278	u64 last_tx_bytes;
	279	u64 last_tx_pkts;
	280	struct hw_xmit *hwxmits;
	281	u8 hwxmit_entry;
	282	u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength
	283	* from large to small. it's value is 0->vo,
	284	* 1->vi, 2->be, 3->bk. */
7f8a0fba LF	285	u8 txirp_cnt;/* */
	286	struct tasklet_struct xmit_tasklet;
	287	/* per AC pending irp */
	288	int beq_cnt;
	289	int bkq_cnt;
	290	int viq_cnt;
	291	int voq_cnt;
	292	struct __queue free_xmitbuf_queue;
	293	struct __queue pending_xmitbuf_queue;
	294	u8 *pallocated_xmitbuf;
	295	u8 *pxmitbuf;
	296	uint free_xmitbuf_cnt;
	297	struct __queue free_xmit_extbuf_queue;
	298	u8 *pallocated_xmit_extbuf;
	299	u8 *pxmit_extbuf;
	300	uint free_xmit_extbuf_cnt;
	301	u16 nqos_ssn;
	302	int ack_tx;
	303	struct mutex ack_tx_mutex;
	304	struct submit_ctx ack_tx_ops;
	305	};
	306
	307	struct xmit_buf rtw_alloc_xmitbuf_ext(struct xmit_priv pxmitpriv);
	308	s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv,
	309	struct xmit_buf *pxmitbuf);
	310	struct xmit_buf rtw_alloc_xmitbuf(struct xmit_priv pxmitpriv);
	311	s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv,
	312	struct xmit_buf *pxmitbuf);
	313	void rtw_count_tx_stats(struct adapter *padapter,
	314	struct xmit_frame *pxmitframe, int sz);
	315	void rtw_update_protection(struct adapter padapter, u8 ie, uint ie_len);
	316	s32 rtw_make_wlanhdr(struct adapter padapter, u8 hdr,
	317	struct pkt_attrib *pattrib);
	318	s32 rtw_put_snap(u8 *data, u16 h_proto);
	319
	320	struct xmit_frame rtw_alloc_xmitframe(struct xmit_priv pxmitpriv);
	321	s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv,
	322	struct xmit_frame *pxmitframe);
	323	void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv,
	324	struct __queue *pframequeue);
	325	struct tx_servq rtw_get_sta_pending(struct adapter padapter,
	326	struct sta_info psta, int up, u8 ac);
	327	s32 rtw_xmitframe_enqueue(struct adapter *padapter,
	328	struct xmit_frame *pxmitframe);
	329	struct xmit_frame rtw_dequeue_xframe(struct xmit_priv pxmitpriv,
	330	struct hw_xmit *phwxmit_i, int entry);
	331
	332	s32 rtw_xmit_classifier(struct adapter *padapter,
	333	struct xmit_frame *pxmitframe);
	334	u32 rtw_calculate_wlan_pkt_size_by_attribue(struct pkt_attrib *pattrib);
	335	#define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue(&f->attrib)
	336	s32 rtw_xmitframe_coalesce(struct adapter padapter, struct sk_buff pkt,
	337	struct xmit_frame *pxmitframe);
	338	s32 _rtw_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag);
	339	void _rtw_init_sta_xmit_priv(struct sta_xmit_priv *psta_xmitpriv);
	340	s32 rtw_txframes_pending(struct adapter *padapter);
	341	s32 rtw_txframes_sta_ac_pending(struct adapter *padapter,
	342	struct pkt_attrib *pattrib);
	343	void rtw_init_hwxmits(struct hw_xmit *phwxmit, int entry);
	344	s32 _rtw_init_xmit_priv(struct xmit_priv pxmitpriv, struct adapter padapter);
	345	void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv);
	346	void rtw_alloc_hwxmits(struct adapter *padapter);
	347	void rtw_free_hwxmits(struct adapter *padapter);
	348	s32 rtw_xmit(struct adapter padapter, struct sk_buff *pkt);
349
350	#if defined(CONFIG_88EU_AP_MODE)
351	int xmitframe_enqueue_for_sleeping_sta(struct adapter padapter, struct xmit_frame pxmitframe);
352	void stop_sta_xmit(struct adapter padapter, struct sta_info psta);
353	void wakeup_sta_to_xmit(struct adapter padapter, struct sta_info psta);
354	void xmit_delivery_enabled_frames(struct adapter padapter, struct sta_info psta);
355	#endif
356
357	u8 qos_acm(u8 acm_mask, u8 priority);
358	u32 rtw_get_ff_hwaddr(struct xmit_frame *pxmitframe);
359	int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms);
360	void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status);
361
362	/* include after declaring struct xmit_buf, in order to avoid warning */
363	#include <xmit_osdep.h>
364
365	#endif /* _RTL871X_XMIT_H_ */