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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 <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);
- 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_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_ */
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