/****************************************************************************** * * 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 #include #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) //#define MAX_XMITBUF_SZ (30720)// (2048) #ifdef CONFIG_TX_AGGREGATION #define MAX_XMITBUF_SZ (20480) // 20k #else #define MAX_XMITBUF_SZ (12288) //12k 1536*8 #endif #if defined CONFIG_SDIO_HCI #define NR_XMITBUFF (16) #endif #if defined(CONFIG_GSPI_HCI) #define NR_XMITBUFF (128) #endif #elif defined (CONFIG_USB_HCI) #ifdef CONFIG_USB_TX_AGGREGATION #define MAX_XMITBUF_SZ (20480) // 20k #else #define MAX_XMITBUF_SZ (2048) #endif #ifdef CONFIG_SINGLE_XMIT_BUF #define NR_XMITBUFF (1) #else #define NR_XMITBUFF (4) #endif //CONFIG_SINGLE_XMIT_BUF #elif defined (CONFIG_PCI_HCI) #define MAX_XMITBUF_SZ (1664) #define NR_XMITBUFF (128) #endif #ifdef CONFIG_PCI_HCI #define XMITBUF_ALIGN_SZ 4 #else #define XMITBUF_ALIGN_SZ 512 #endif // 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 #ifdef CONFIG_PCI_HCI //#define TXDESC_NUM 64 #define TXDESC_NUM 128 #define TXDESC_NUM_BE_QUEUE 128 #endif #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 #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) #define TXDESC_OFFSET TXDESC_SIZE #endif #ifdef CONFIG_USB_HCI #define PACKET_OFFSET_SZ (8) #define TXDESC_OFFSET (TXDESC_SIZE + PACKET_OFFSET_SZ) #endif #ifdef CONFIG_PCI_HCI #define TXDESC_OFFSET 0 #define TX_DESC_NEXT_DESC_OFFSET 40 #endif 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]; }; #ifdef CONFIG_PCI_HCI #define PCI_MAX_TX_QUEUE_COUNT 8 struct rtw_tx_ring { struct tx_desc *desc; dma_addr_t dma; unsigned int idx; unsigned int entries; _queue queue; u32 qlen; }; #endif 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; #ifdef CONFIG_USB_HCI //u32 sz[8]; 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]; #endif #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) u8 *phead; u8 *pdata; u8 *ptail; u8 *pend; u32 ff_hwaddr; u8 pg_num; u8 agg_num; #endif #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; #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) u8 pg_num; u8 agg_num; #endif #ifdef CONFIG_USB_HCI #ifdef CONFIG_USB_TX_AGGREGATION u8 agg_num; #endif s8 pkt_offset; #ifdef CONFIG_RTL8192D u8 EMPktNum; u16 EMPktLen[5];//The max value by HW #endif #endif #ifdef CONFIG_XMIT_ACK u8 ack_report; #endif }; 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. #ifdef CONFIG_USB_HCI _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; #endif #ifdef CONFIG_PCI_HCI // Tx struct rtw_tx_ring tx_ring[PCI_MAX_TX_QUEUE_COUNT]; int txringcount[PCI_MAX_TX_QUEUE_COUNT]; u8 beaconDMAing; //flag of indicating beacon is transmiting to HW by DMA struct tasklet_struct xmit_tasklet; #endif #ifdef CONFIG_SDIO_HCI #ifdef CONFIG_SDIO_TX_TASKLET struct tasklet_struct xmit_tasklet; #endif #endif _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 #ifdef CONFIG_SDIO_HCI #define MAX_AGG_PKT_NUM 20 #else #define MAX_AGG_PKT_NUM 256 //Max tx ampdu coounts #endif struct agg_pkt_info agg_pkt[MAX_AGG_PKT_NUM]; #endif #ifdef CONFIG_XMIT_ACK int ack_tx; _mutex ack_tx_mutex; struct submit_ctx ack_tx_ops; #endif }; 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); #ifdef CONFIG_TDLS s32 rtw_xmit_tdls_coalesce(_adapter *padapter, struct xmit_frame *pxmitframe, u8 action); #endif 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) || defined(CONFIG_TDLS) 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); #ifdef CONFIG_XMIT_ACK int rtw_ack_tx_wait(struct xmit_priv *pxmitpriv, u32 timeout_ms); void rtw_ack_tx_done(struct xmit_priv *pxmitpriv, int status); #endif //CONFIG_XMIT_ACK //include after declaring struct xmit_buf, in order to avoid warning #include #endif //_RTL871X_XMIT_H_