/****************************************************************************** * * 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 #include #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) ? 0i : (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 __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); void rtw_sctx_done(struct submit_ctx **sctx); 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 agg_pkt_info { u16 offset; u16 pkt_len; }; struct xmit_priv { spinlock_t lock; struct semaphore xmit_sema; struct semaphore terminate_xmitthread_sema; 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. */ 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 __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_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 #endif /* _RTL871X_XMIT_H_ */