diff options
Diffstat (limited to 'drivers/staging/rtl8723au/include/rtw_xmit.h')
| -rw-r--r-- | drivers/staging/rtl8723au/include/rtw_xmit.h | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/include/rtw_xmit.h b/drivers/staging/rtl8723au/include/rtw_xmit.h new file mode 100644 index 000000000000..65a33a07c8ee --- /dev/null +++ b/drivers/staging/rtl8723au/include/rtw_xmit.h @@ -0,0 +1,407 @@ +/****************************************************************************** + * + * 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 */ + unsigned int txdw0; + unsigned int txdw1; + unsigned int txdw2; + unsigned int txdw3; + unsigned int txdw4; + unsigned int txdw5; + unsigned int txdw6; + unsigned int 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 { + 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 */ + u32 last_txcmdsz; + u8 nr_frags; + u8 encrypt; /* when 0 indicate no encrypt. */ + 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); +void rtw_sctx_done23a(struct submit_ctx **sctx); + +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; + + u8 *pallocated_frame_buf; + u8 *pxmit_frame_buf; + uint free_xmitframe_cnt; + struct rtw_queue free_xmit_queue; + + u8 *xframe_ext_alloc_addr; + u8 *xframe_ext; + uint free_xframe_ext_cnt; + struct rtw_queue free_xframe_ext_queue; + + uint frag_len; + + struct rtw_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. + */ + + struct semaphore 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; + + 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; + + u16 nqos_ssn; + 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); +s32 rtw_make_wlanhdr23a(struct rtw_adapter *padapter, u8 *hdr, + struct pkt_attrib *pattrib); +s32 rtw_put_snap23a(u8 *data, u16 h_proto); +struct xmit_frame *rtw_alloc_xmitframe23a(struct xmit_priv *pxmitpriv); +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); +u32 rtw_calculate_wlan_pkt_size_by_attribue23a(struct pkt_attrib *pattrib); +#define rtw_wlan_pkt_size(f) rtw_calculate_wlan_pkt_size_by_attribue23a(&f->attrib) +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); +s32 _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); +void rtw_ack_tx_done23a(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_ */ |