diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/include/rtw_xmit.h')
-rw-r--r-- | drivers/staging/rtl8723bs/include/rtw_xmit.h | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/include/rtw_xmit.h b/drivers/staging/rtl8723bs/include/rtw_xmit.h new file mode 100644 index 0000000000..676ead0372 --- /dev/null +++ b/drivers/staging/rtl8723bs/include/rtw_xmit.h @@ -0,0 +1,501 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/****************************************************************************** + * + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#ifndef _RTW_XMIT_H_ +#define _RTW_XMIT_H_ + +#include <linux/completion.h> + +#define MAX_XMITBUF_SZ (20480) /* 20k */ + +#define NR_XMITBUFF (16) + +#define XMITBUF_ALIGN_SZ 512 + +/* xmit extension buff defination */ +#define MAX_XMIT_EXTBUF_SZ (1536) +#define NR_XMIT_EXTBUFF (32) + +#define MAX_CMDBUF_SZ (5120) /* 4096) */ + +#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 + +/* For Buffer Descriptor ring architecture */ +#define TXDESC_SIZE 40 + +#define TXDESC_OFFSET TXDESC_SIZE + +#define TXDESC_40_BYTES + +struct tx_desc { + __le32 txdw0; + __le32 txdw1; + __le32 txdw2; + __le32 txdw3; + __le32 txdw4; + __le32 txdw5; + __le32 txdw6; + __le32 txdw7; + +#if defined(TXDESC_40_BYTES) || defined(TXDESC_64_BYTES) + __le32 txdw8; + __le32 txdw9; +#endif /* TXDESC_40_BYTES */ + +#ifdef TXDESC_64_BYTES + __le32 txdw10; + __le32 txdw11; + + /* 2008/05/15 MH Because PCIE HW memory R/W 4K limit. And now, our descriptor */ + /* size is 40 bytes. If you use more than 102 descriptor(103*40>4096), HW will execute */ + /* memoryR/W CRC error. And then all DMA fetch will fail. We must decrease descriptor */ + /* number or enlarge descriptor size as 64 bytes. */ + __le32 txdw12; + __le32 txdw13; + __le32 txdw14; + __le32 txdw15; +#endif +}; + +union txdesc { + struct tx_desc txdesc; + unsigned int value[TXDESC_SIZE>>2]; +}; + +struct hw_xmit { + /* spinlock_t xmit_lock; */ + /* struct list_head pending; */ + struct __queue *sta_queue; + /* struct hw_txqueue *phwtxqueue; */ + /* signed int 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 indicates no encryption; when non-zero, indicates the encryption algorithm */ + 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 ampdu_spacing; /* ampdu_min_spacing for peer sta's rx */ + u8 mdata;/* more data bit */ + u8 pctrl;/* per packet txdesc control enable */ + u8 triggered;/* for ap mode handling Power Saving sta */ + u8 qsel; + u8 order;/* order bit */ + u8 eosp; + u8 rate; + u8 intel_proxim; + u8 retry_ctrl; + u8 mbssid; + u8 ldpc; + u8 stbc; + struct sta_info *psta; + + u8 rtsen; + u8 cts2self; + union Keytype dot11tkiptxmickey; + /* union Keytype dot11tkiprxmickey; */ + union Keytype dot118021x_UncstKey; + + u8 icmp_pkt; + +}; + +#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 + +enum { + XMITBUF_DATA = 0, + XMITBUF_MGNT = 1, + XMITBUF_CMD = 2, +}; + +struct submit_ctx { + unsigned long 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, + RTW_SCTX_DONE_CMD_ERROR, +}; + + +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 buf_tag; /* 0: Normal xmitbuf, 1: extension xmitbuf, 2:cmd xmitbuf */ + u16 flags; + u32 alloc_sz; + + u32 len; + + struct submit_ctx *sctx; + + u8 *phead; + u8 *pdata; + u8 *ptail; + u8 *pend; + u32 ff_hwaddr; + u8 pg_num; + u8 agg_num; + +#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 adapter *padapter; + + u8 *buf_addr; + + struct xmit_buf *pxmitbuf; + + u8 pg_num; + u8 agg_num; + + u8 ack_report; + + u8 *alloc_addr; /* the actual address this xmitframe allocated */ + u8 ext_tag; /* 0:data, 1:mgmt */ + +}; + +struct tx_servq { + struct list_head tx_pending; + struct __queue sta_pending; + int qcnt; +}; + + +struct sta_xmit_priv { + spinlock_t lock; + signed int option; + signed int 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 */ + struct list_head legacy_dz; + struct list_head apsd; + + u16 txseq_tid[16]; + + /* uint sta_tx_bytes; */ + /* u64 sta_tx_pkts; */ + /* uint sta_tx_fail; */ + + +}; + + +struct hw_txqueue { + volatile signed int head; + volatile signed int tail; + volatile signed int free_sz; /* in units of 64 bytes */ + volatile signed int free_cmdsz; + volatile signed int txsz[8]; + uint ff_hwaddr; + uint cmd_hwaddr; + signed int ac_tag; +}; + +enum cmdbuf_type { + CMDBUF_BEACON = 0x00, + CMDBUF_RSVD, + CMDBUF_MAX +}; + +struct xmit_priv { + + spinlock_t lock; + + struct completion xmit_comp; + struct completion terminate_xmitthread_comp; + + /* struct __queue blk_strms[MAX_NUMBLKS]; */ + struct __queue be_pending; + struct __queue bk_pending; + struct __queue vi_pending; + struct __queue vo_pending; + struct __queue bm_pending; + + /* struct __queue legacy_dz_queue; */ + /* struct __queue apsd_queue; */ + + u8 *pallocated_frame_buf; + u8 *pxmit_frame_buf; + uint free_xmitframe_cnt; + struct __queue free_xmit_queue; + + /* uint mapping_addr; */ + /* uint pkt_sz; */ + + u8 *xframe_ext_alloc_addr; + u8 *xframe_ext; + uint free_xframe_ext_cnt; + struct __queue free_xframe_ext_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; + + struct 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_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. */ + + void *SdioXmitThread; + struct completion SdioXmitStart; + struct completion SdioXmitTerminate; + + 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; + + struct xmit_buf pcmd_xmitbuf[CMDBUF_MAX]; + + u16 nqos_ssn; + + int ack_tx; + struct mutex ack_tx_mutex; + struct submit_ctx ack_tx_ops; + u8 seq_no; + spinlock_t lock_sctx; +}; + +extern struct xmit_frame *__rtw_alloc_cmdxmitframe(struct xmit_priv *pxmitpriv, + enum cmdbuf_type buf_type); +#define rtw_alloc_cmdxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_RSVD) +#define rtw_alloc_bcnxmitframe(p) __rtw_alloc_cmdxmitframe(p, CMDBUF_BEACON) + +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(struct adapter *padapter, struct xmit_frame *pxmitframe, int sz); +extern void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len); +extern s32 rtw_make_wlanhdr(struct 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); +struct xmit_frame *rtw_alloc_xmitframe_ext(struct xmit_priv *pxmitpriv); +struct xmit_frame *rtw_alloc_xmitframe_once(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, struct __queue *pframequeue); +struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info *psta, signed int up, u8 *ac); +extern s32 rtw_xmitframe_enqueue(struct adapter *padapter, struct xmit_frame *pxmitframe); + +extern s32 rtw_xmit_classifier(struct 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(struct adapter *padapter, struct sk_buff *pkt, struct xmit_frame *pxmitframe); +extern s32 rtw_mgmt_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); +void rtw_init_hwxmits(struct hw_xmit *phwxmit, signed int entry); + + +s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter); +void _rtw_free_xmit_priv(struct xmit_priv *pxmitpriv); + + +s32 rtw_alloc_hwxmits(struct adapter *padapter); +void rtw_free_hwxmits(struct adapter *padapter); + + +s32 rtw_xmit(struct adapter *padapter, struct sk_buff **pkt); +bool xmitframe_hiq_filter(struct xmit_frame *xmitframe); + +signed 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); + +u8 query_ra_short_GI(struct sta_info *psta); + +u8 qos_acm(u8 acm_mask, u8 priority); + +void enqueue_pending_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf); +void enqueue_pending_xmitbuf_to_head(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); +signed int check_pending_xmitbuf(struct xmit_priv *pxmitpriv); +int rtw_xmit_thread(void *context); + +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_ */ |