/* 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 definition */
#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 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 MGNT_FRAMETAG 0x03
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_ */
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