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rtl8188eu/include/rtw_xmit.h
Larry Finger eebbb9babd rtl8188eu: Remove CONFIG_USB_TX_AGGREGATION, IDEA_CONDITION, and CONFIG_MINIMAL_MEMORY_USAGE 
CONFIG_USB_TX_AGGREGATION is always defined.
IDEA_CONDITION is always defined.
CONFIG_MINIMAL_MEMORY_USAGE is never defined.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-07-18 23:58:55 -05:00

468 lines
12 KiB
C
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/******************************************************************************
*
* 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.
*
* 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_XMIT_H_
#define _RTW_XMIT_H_
#include <drv_conf.h>
#include <osdep_service.h>
#include <drv_types.h>
#define MAX_XMITBUF_SZ (20480) // 20k
#ifdef CONFIG_SINGLE_XMIT_BUF
#define NR_XMITBUFF (1)
#else
#define NR_XMITBUFF (4)
#endif //CONFIG_SINGLE_XMIT_BUF
#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
#ifdef CONFIG_TX_EARLY_MODE
#define EARLY_MODE_INFO_SIZE 8
#endif
#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 {
//_lock xmit_lock;
//_list pending;
_queue *sta_queue;
//struct hw_txqueue *phwtxqueue;
//sint txcmdcnt;
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;
#ifdef CONFIG_TCP_CSUM_OFFLOAD_TX
u8 hw_tcp_csum;
#endif
};
#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);
void rtw_sctx_done(struct submit_ctx **sctx);
struct xmit_buf
{
_list list;
_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;
PURB pxmit_urb[8];
dma_addr_t dma_transfer_addr; /* (in) dma addr for transfer_buffer */
u8 bpending[8];
sint last[8];
#if defined(DBG_XMIT_BUF )|| defined(DBG_XMIT_BUF_EXT)
u8 no;
#endif
};
struct xmit_frame
{
_list list;
struct pkt_attrib attrib;
_pkt *pkt;
int frame_tag;
_adapter *padapter;
u8 *buf_addr;
struct xmit_buf *pxmitbuf;
u8 agg_num;
s8 pkt_offset;
u8 ack_report;
};
struct tx_servq {
_list tx_pending;
_queue sta_pending;
int qcnt;
};
struct sta_xmit_priv
{
_lock lock;
sint option;
sint apsd_setting; //When bit mask is on, the associated edca queue supports APSD.
//struct tx_servq blk_q[MAX_NUMBLKS];
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
_list legacy_dz;
_list apsd;
u16 txseq_tid[16];
//uint sta_tx_bytes;
//u64 sta_tx_pkts;
//uint sta_tx_fail;
};
struct hw_txqueue {
volatile sint head;
volatile sint tail;
volatile sint free_sz; //in units of 64 bytes
volatile sint free_cmdsz;
volatile sint txsz[8];
uint ff_hwaddr;
uint cmd_hwaddr;
sint ac_tag;
};
struct agg_pkt_info{
u16 offset;
u16 pkt_len;
};
struct xmit_priv {
_lock lock;
_sema xmit_sema;
_sema terminate_xmitthread_sema;
//_queue blk_strms[MAX_NUMBLKS];
_queue be_pending;
_queue bk_pending;
_queue vi_pending;
_queue vo_pending;
_queue bm_pending;
//_queue legacy_dz_queue;
//_queue apsd_queue;
u8 *pallocated_frame_buf;
u8 *pxmit_frame_buf;
uint free_xmitframe_cnt;
//uint mapping_addr;
//uint pkt_sz;
_queue free_xmit_queue;
//struct hw_txqueue be_txqueue;
//struct hw_txqueue bk_txqueue;
//struct hw_txqueue vi_txqueue;
//struct hw_txqueue vo_txqueue;
//struct hw_txqueue bmc_txqueue;
uint frag_len;
_adapter *adapter;
u8 vcs_setting;
u8 vcs;
u8 vcs_type;
//u16 rts_thresh;
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.
_sema tx_retevt;//all tx return event;
u8 txirp_cnt;//
struct tasklet_struct xmit_tasklet;
//per AC pending irp
int beq_cnt;
int bkq_cnt;
int viq_cnt;
int voq_cnt;
_queue free_xmitbuf_queue;
_queue pending_xmitbuf_queue;
u8 *pallocated_xmitbuf;
u8 *pxmitbuf;
uint free_xmitbuf_cnt;
_queue free_xmit_extbuf_queue;
u8 *pallocated_xmit_extbuf;
u8 *pxmit_extbuf;
uint free_xmit_extbuf_cnt;
u16 nqos_ssn;
#ifdef CONFIG_TX_EARLY_MODE
#define MAX_AGG_PKT_NUM 256 //Max tx ampdu coounts
struct agg_pkt_info agg_pkt[MAX_AGG_PKT_NUM];
#endif
int ack_tx;
_mutex ack_tx_mutex;
struct submit_ctx ack_tx_ops;
};
extern struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv);
extern s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
extern struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv);
extern s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
void rtw_count_tx_stats(_adapter *padapter, struct xmit_frame *pxmitframe, int sz);
extern void rtw_update_protection(_adapter *padapter, u8 *ie, uint ie_len);
extern s32 rtw_make_wlanhdr(_adapter *padapter, u8 *hdr, struct pkt_attrib *pattrib);
extern s32 rtw_put_snap(u8 *data, u16 h_proto);
extern struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv);
extern s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe);
extern void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, _queue *pframequeue);
struct tx_servq *rtw_get_sta_pending(_adapter *padapter, struct sta_info *psta, sint up, u8 *ac);
extern s32 rtw_xmitframe_enqueue(_adapter *padapter, struct xmit_frame *pxmitframe);
extern struct xmit_frame* rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, sint entry);
extern s32 rtw_xmit_classifier(_adapter *padapter, struct xmit_frame *pxmitframe);
extern 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)
extern s32 rtw_xmitframe_coalesce(_adapter *padapter, _pkt *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(_adapter *padapter);
s32 rtw_txframes_sta_ac_pending(_adapter *padapter, struct pkt_attrib *pattrib);
void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry);
s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, _adapter *padapter);
void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv);
void rtw_alloc_hwxmits(_adapter *padapter);
void rtw_free_hwxmits(_adapter *padapter);
s32 rtw_xmit(_adapter *padapter, _pkt **pkt);
#if defined(CONFIG_AP_MODE)
sint xmitframe_enqueue_for_sleeping_sta(_adapter *padapter, struct xmit_frame *pxmitframe);
void stop_sta_xmit(_adapter *padapter, struct sta_info *psta);
void wakeup_sta_to_xmit(_adapter *padapter, struct sta_info *psta);
void xmit_delivery_enabled_frames(_adapter *padapter, struct sta_info *psta);
#endif
u8 qos_acm(u8 acm_mask, u8 priority);
#ifdef CONFIG_XMIT_THREAD_MODE
void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf);
struct xmit_buf* dequeue_pending_xmitbuf(struct xmit_priv *pxmitpriv);
struct xmit_buf* dequeue_pending_xmitbuf_under_survey(struct xmit_priv *pxmitpriv);
sint check_pending_xmitbuf(struct xmit_priv *pxmitpriv);
thread_return rtw_xmit_thread(thread_context context);
#endif
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_
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