Orange Pi5 kernel

/******************************************************************************
 *
 * Copyright(c) 2007 - 2019 Realtek Corporation.
 *
 * 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.
 *
 *****************************************************************************/
#ifndef _RTW_RECV_H_
#define _RTW_RECV_H_
 
#define RTW_RX_MSDU_ACT_NONE		0
#define RTW_RX_MSDU_ACT_INDICATE	BIT0
#define RTW_RX_MSDU_ACT_FORWARD		BIT1
 
#ifdef CONFIG_RTW_NAPI
<------>#define RTL_NAPI_WEIGHT (32)
#endif
 
 
#define NR_RECVFRAME 256
 
#define RXFRAME_ALIGN	8
#define RXFRAME_ALIGN_SZ	(1<<RXFRAME_ALIGN)
 
#define DRVINFO_SZ	4 /* unit is 8bytes */
 
#define MAX_RXFRAME_CNT	512
#define MAX_RX_NUMBLKS		(32)
#define RECVFRAME_HDR_ALIGN 128
#define MAX_CONTINUAL_NORXPACKET_COUNT 4    /*  In MAX_CONTINUAL_NORXPACKET_COUNT*2 sec  , no rx traffict would issue DELBA*/
 
#define PHY_RSSI_SLID_WIN_MAX				100
#define PHY_LINKQUALITY_SLID_WIN_MAX		20
 
 
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
 
#define MAX_SUBFRAME_COUNT	64
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
extern u8 rtw_bridge_tunnel_header[];
extern u8 rtw_rfc1042_header[];
 
enum addba_rsp_ack_state {
<------>RTW_RECV_ACK_OR_TIMEOUT,
};
 
#ifdef RTW_PHL_RX
enum rtw_core_rx_state {
<------>CORE_RX_CONTINUE = _SUCCESS,
<------>CORE_RX_DONE,
<------>CORE_RX_DROP,
<------>CORE_RX_FAIL,
#ifdef CONFIG_RTW_CORE_RXSC
<------>CORE_RX_GO_SHORTCUT,
#endif
<------>CORE_RX_DEFRAG,
};
#endif
 
/* for Rx reordering buffer control */
struct recv_reorder_ctrl {
<------>_adapter	*padapter;
<------>u8 tid;
<------>u8 enable;
<------>u16 indicate_seq;/* =wstart_b, init_value=0xffff */
<------>u8 ampdu_size;
<------>unsigned long rec_abba_rsp_ack;
 
<------>#ifdef CONFIG_RECV_REORDERING_CTRL
<------>_queue pending_recvframe_queue;
<------>u8 wsize_b;
<------>_timer reordering_ctrl_timer;
<------>u8 bReorderWaiting;
<------>#endif
};
 
struct	stainfo_rxcache	{
<------>u16	tid_rxseq[16];
<------>u8 iv[16][8];
<------>u8 last_tid;
};
 
 
struct smooth_rssi_data {
<------>u32	elements[100];	/* array to store values */
<------>u32	index;			/* index to current array to store */
<------>u32	total_num;		/* num of valid elements */
<------>u32	total_val;		/* sum of valid elements */
};
 
struct signal_stat {
<------>u8	update_req;		/* used to indicate */
<------>u8	avg_val;		/* avg of valid elements */
<------>u32	total_num;		/* num of valid elements */
<------>u32	total_val;		/* sum of valid elements	 */
};
 
/*TODO get phyinfo from PHL PPDU status - RTW_WKARD_CORE_RSSI_V1*/
struct phydm_phyinfo_struct {
<------>bool is_valid;
<------>u8 rx_pwdb_all;
<------>u8 signal_quality;	/* OFDM: signal_quality=rx_mimo_signal_quality[0], CCK: signal qualityin 0-100 index. */
 
<------>s8 rx_power;		/* in dBm Translate from PWdB */
<------>s8 recv_signal_power;	/* Real power in dBm for this packet, no beautification and aggregation. Keep this raw info to be used for the other procedures. */
<------>u8 signal_strength;	/* in 0-100 index. */
<------>s8 rx_pwr[4];		/* per-path's pwdb */
<------>s8 rx_snr[4];		/* per-path's SNR	*/
<------>u8 rx_count:2;		/* RX path counter---*/
};
 
 
struct rx_pkt_attrib {
<------>u16	pkt_len;
<------>u8	physt;
<------>u8	drvinfo_sz;
<------>u8	shift_sz;
<------>u8	hdrlen; /* the WLAN Header Len */
<------>u8	to_fr_ds;
<------>u8	amsdu;
<------>u8	qos;
<------>u8	priority;
<------>u8	pw_save;
<------>u8	mdata;
<------>u16	seq_num;
<------>u8	frag_num;
<------>u8	mfrag;
<------>u8	order;
<------>u8	privacy; /* in frame_ctrl field */
<------>u8	bdecrypted;
<------>u8	encrypt; /* when 0 indicate no encrypt. when non-zero, indicate the encrypt algorith */
<------>u8	iv_len;
<------>u8	icv_len;
<------>u8	crc_err;
<------>u8	icv_err;
 
#ifdef CONFIG_RTW_CORE_RXSC
<------>u16	eth_type;
#endif
 
<------>u8	dst[ETH_ALEN];
<------>u8	src[ETH_ALEN];
<------>u8	ta[ETH_ALEN];
<------>u8	ra[ETH_ALEN];
<------>u8	bssid[ETH_ALEN];
#ifdef CONFIG_RTW_MESH
<------>u8	msa[ETH_ALEN]; /* mesh sa */
<------>u8	mda[ETH_ALEN]; /* mesh da */
<------>u8 mesh_ctrl_present;
<------>u8	mesh_ctrl_len; /* length of mesh control field */
#endif
 
<------>u8	ack_policy;
 
<------>u8	key_index;
<------>u16	data_rate; /* enum rtw_data_rate */
<------>u8	gi_ltf;
<------>u8 ch; /* RX channel */
<------>u8	bw;
<------>u8	stbc;
<------>u8	ldpc;
<------>u8	sgi;
<------>u8	pkt_rpt_type;
<------>u8	ampdu;
<------>u8	ppdu_cnt;
<------>u8	ampdu_eof;
<------>u32 	free_cnt;		/* free run counter */
<------>struct phydm_phyinfo_struct phy_info;
#ifdef CONFIG_WIFI_MONITOR
<------>u8 moif[16];
#endif
 
#ifdef CONFIG_TCP_CSUM_OFFLOAD_RX
<------>/* checksum offload realted varaiables */
<------>u8 csum_valid;		/* Checksum valid, 0: not check, 1: checked */
<------>u8 csum_err;		/* Checksum Error occurs */
#endif /* CONFIG_TCP_CSUM_OFFLOAD_RX */
 
#ifdef RTW_PHL_DBG_CMD
<------>u8	wl_type;
<------>u8	wl_subtype;
#endif
#ifdef CONFIG_RTW_CORE_RXSC
<------>u8	bsnaphdr;
#endif
 
};
 
#ifdef CONFIG_RTW_MESH
#define RATTRIB_GET_MCTRL_LEN(rattrib) ((rattrib)->mesh_ctrl_len)
#else
#define RATTRIB_GET_MCTRL_LEN(rattrib) 0
#endif
 
/* These definition is used for Rx packet reordering. */
#define SN_LESS(a, b)		(((a-b) & 0x800) != 0)
#define SN_EQUAL(a, b)	(a == b)
/* #define REORDER_WIN_SIZE	128 */
/* #define REORDER_ENTRY_NUM	128 */
#define REORDER_WAIT_TIME	(50) /* (ms) */
 
#if defined(CONFIG_PLATFORM_RTK390X) && defined(CONFIG_USB_HCI)
<------>#define RECVBUFF_ALIGN_SZ 32
#else
<------>#define RECVBUFF_ALIGN_SZ 8
#endif
 
/*GEORGIA_TODO_FIXIT_IC_DEPENDENCE*/
#define RXDESC_SIZE	24
#define RXDESC_OFFSET RXDESC_SIZE
 
#ifdef CONFIG_TRX_BD_ARCH
struct rx_buf_desc {
<------>/* RX has exactly one segment */
#ifdef CONFIG_64BIT_DMA
<------>unsigned int dword[4];
#else
<------>unsigned int dword[2];
#endif
};
 
struct recv_stat {
<------>unsigned int rxdw[8];
};
#else
struct recv_stat {
<------>unsigned int rxdw0;
 
<------>unsigned int rxdw1;
 
#if !(defined(CONFIG_RTL8822B) || defined(CONFIG_RTL8821C) || defined(CONFIG_RTL8822C)) && defined(CONFIG_PCI_HCI)  /* exclude 8822be, 8821ce ,8822ce*/
<------>unsigned int rxdw2;
 
<------>unsigned int rxdw3;
#endif
 
#ifndef BUF_DESC_ARCH
<------>unsigned int rxdw4;
 
<------>unsigned int rxdw5;
 
#ifdef CONFIG_PCI_HCI
<------>unsigned int rxdw6;
 
<------>unsigned int rxdw7;
#endif
#endif /* if BUF_DESC_ARCH is defined, rx_buf_desc occupy 4 double words */
};
#endif
 
#define EOR BIT(30)
 
 
/*
accesser of recv_priv: rtw_recv_entry(dispatch / passive level); recv_thread(passive) ; returnpkt(dispatch)
; halt(passive) ;
 
using enter_critical section to protect
*/
 
struct recv_info {
<------>u64 rx_bytes;
<------>u64 rx_pkts;
<------>u64 rx_drop;
 
<------>u64 dbg_rx_drop_count;
<------>u64 dbg_rx_ampdu_drop_count;
<------>u64 dbg_rx_ampdu_forced_indicate_count;
<------>u64 dbg_rx_ampdu_loss_count;
<------>u64 dbg_rx_dup_mgt_frame_drop_count;
<------>u64 dbg_rx_ampdu_window_shift_cnt;
<------>u64 dbg_rx_conflic_mac_addr_cnt;
 
<------>/* For display the phy informatiom */
<------>u8 is_signal_dbg;	/* for debug */
<------>u8 signal_strength_dbg;	/* for debug */
 
<------>/*RTW_WKARD_CORE_RSSI_V1 - GEORGIA MUST REFINE*/
<------>u8 signal_strength;
<------>u8 signal_qual;
<------>s8 rssi;	/* rtw_phl_rssi_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); */
 
 
<------>#ifdef CONFIG_SIGNAL_STAT_PROCESS
<------>_timer signal_stat_timer;
<------>u32 signal_stat_sampling_interval;
<------>#endif
 
<------>/* u32 signal_stat_converging_constant; */
<------>struct signal_stat signal_qual_data;
<------>struct signal_stat signal_strength_data;
 
 
<------>u16 sink_udpport, pre_rtp_rxseq, cur_rtp_rxseq;
};
#ifdef CONFIG_SIGNAL_STAT_PROCESS
#define rtw_set_signal_stat_timer(recvinfo) _set_timer(&(recvinfo)->signal_stat_timer, (recvinfo)->signal_stat_sampling_interval)
#endif
 
struct sta_recv_priv {
 
<------>_lock	lock;
<------>sint	option;
 
<------>/* _queue	blk_strms[MAX_RX_NUMBLKS]; */
<------>_queue defrag_q;	 /* keeping the fragment frame until defrag */
 
<------>struct	stainfo_rxcache rxcache;
<------>u16	bmc_tid_rxseq[16];
<------>u16	nonqos_rxseq;
<------>u16	nonqos_bmc_rxseq;
 
<------>/* uint	sta_rx_bytes; */
<------>/* uint	sta_rx_pkts; */
<------>/* uint	sta_rx_fail; */
 
};
 
#if 0
struct recv_buf {
<------>_list list;
 
<------>_lock recvbuf_lock;
 
<------>u32	ref_cnt;
 
<------>_adapter *adapter;
 
<------>u8	*pbuf;
<------>u8	*pallocated_buf;
 
<------>u32	len;
<------>u8	*phead;
<------>u8	*pdata;
<------>u8	*ptail;
<------>u8	*pend;
 
#ifdef CONFIG_USB_HCI
<------>PURB	purb;
<------>dma_addr_t dma_transfer_addr;	/* (in) dma addr for transfer_buffer */
<------>u32 alloc_sz;
 
<------>u8  irp_pending;
<------>int  transfer_len;
#endif
<------>struct sk_buff *pskb;
};
#endif
 
struct recv_frame_hdr {
<------>_list	list;
<------>struct sk_buff *pkt;
 
<------>_adapter  *adapter;
<------>struct dvobj_priv *dvobj;
 
<------>u8 fragcnt;
 
<------>int frame_tag;
<------>int keytrack;
<------>struct rx_pkt_attrib attrib;
 
<------>uint  len;
<------>u8 *rx_head;
<------>u8 *rx_data;
<------>u8 *rx_tail;
<------>u8 *rx_end;
 
<------>void *precvbuf;
 
 
<------>/*  */
<------>struct sta_info *psta;
#ifdef CONFIG_RECV_REORDERING_CTRL
<------>/* for A-MPDU Rx reordering buffer control */
<------>struct recv_reorder_ctrl *preorder_ctrl;
#endif
#ifdef RTW_PHL_RX
<------>void *rx_req;
#endif
#ifdef CONFIG_RTW_CORE_RXSC
<------>struct core_rxsc_entry *rxsc_entry;
#endif
 
#ifdef CONFIG_WAPI_SUPPORT
<------>u8 UserPriority;
<------>u8 WapiTempPN[16];
<------>u8 WapiSrcAddr[6];
<------>u8 bWapiCheckPNInDecrypt;
<------>u8 bIsWaiPacket;
#endif
 
};
 
 
union recv_frame {
<------>union {
<------><------>_list list;
<------><------>struct recv_frame_hdr hdr;
<------><------>uint mem[RECVFRAME_HDR_ALIGN >> 2];
<------>} u;
<------>/* uint mem[MAX_RXSZ>>2]; */
};
 
enum rtw_rx_llc_hdl {
<------>RTW_RX_LLC_KEEP		= 0,
<------>RTW_RX_LLC_REMOVE	= 1,
<------>RTW_RX_LLC_VLAN		= 2,
};
 
struct recv_priv {
<------>struct dvobj_priv *dvobj;
 
<------>#ifdef CONFIG_RECV_THREAD_MODE
<------>_sema recv_sema;
<------>#endif
<------>_queue free_recv_queue; /*recv_frame*/
<------>#if 0
<------>_queue uc_swdec_pending_queue;
<------>#endif
 
<------>u8 *pallocated_frame_buf;
<------>u8 *precv_frame_buf;
 
<------>uint free_recvframe_cnt;
 
#if defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD)
#ifdef CONFIG_RTW_NAPI
<------>struct sk_buff_head rx_napi_skb_queue;
#endif
#endif /* defined(PLATFORM_LINUX) || defined(PLATFORM_FREEBSD) */
 
};
 
bool rtw_rframe_del_wfd_ie(union recv_frame *rframe, u8 ies_offset);
#ifdef RTW_PHL_RX
extern void dump_recv_frame(_adapter *adapter, union recv_frame *prframe);
extern sint validate_recv_frame(_adapter *adapter, union recv_frame *precv_frame);
extern s32 rtw_core_rx_data_pre_process(_adapter *adapter, union recv_frame **prframe);
extern s32 rtw_core_rx_data_post_process(_adapter *adapter, union recv_frame *prframe);
 
enum rtw_phl_status rtw_core_rx_process(void *drv_priv);
void process_pwrbit_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
void process_wmmps_data(_adapter *padapter, union recv_frame *precv_frame, struct sta_info *psta);
#ifdef CONFIG_RTW_CORE_RXSC
sint recv_ucast_pn_decache(union recv_frame *precv_frame);
sint recv_bcast_pn_decache(union recv_frame *precv_frame);
#endif /* CONFIG_RTW_CORE_RXSC */
#endif
 
extern void rtw_init_recvframe(union recv_frame *precvframe);
extern int rtw_free_recvframe(union recv_frame *precvframe);
union recv_frame *rtw_alloc_recvframe(_queue *pfree_recv_queue);
 
#if 0
u32 rtw_free_uc_swdec_pending_queue(struct dvobj_priv *dvobj);
#endif
 
#if defined(CONFIG_80211N_HT) && defined(CONFIG_RECV_REORDERING_CTRL)
void rtw_reordering_ctrl_timeout_handler(void *pcontext);
#endif
 
#if 0
void rx_query_phy_status(union recv_frame *rframe, u8 *phy_stat);
#endif
 
int rtw_inc_and_chk_continual_no_rx_packet(struct sta_info *sta, int tid_index);
void rtw_reset_continual_no_rx_packet(struct sta_info *sta, int tid_index);
 
#ifdef CONFIG_RECV_THREAD_MODE
thread_return rtw_recv_thread(thread_context context);
#endif
#ifdef RTW_WKARD_CORE_RSSI_V1
void rx_process_phy_info(union recv_frame *precvframe);
#endif
__inline static u8 *get_rxmem(union recv_frame *precvframe)
{
<------>/* always return rx_head... */
<------>if (precvframe == NULL)
<------><------>return NULL;
 
<------>return precvframe->u.hdr.rx_head;
}
 
__inline static u8 *get_rx_status(union recv_frame *precvframe)
{
 
<------>return get_rxmem(precvframe);
 
}
 
__inline static u8 *get_recvframe_data(union recv_frame *precvframe)
{
 
<------>/* alwasy return rx_data */
<------>if (precvframe == NULL)
<------><------>return NULL;
 
<------>return precvframe->u.hdr.rx_data;
 
}
 
__inline static u8 *recvframe_push(union recv_frame *precvframe, sint sz)
{
<------>/* append data before rx_data */
 
<------>/* add data to the start of recv_frame
<------>*
<------>*      This function extends the used data area of the recv_frame at the buffer
<------>*      start. rx_data must be still larger than rx_head, after pushing.
<------>*/
 
<------>if (precvframe == NULL)
<------><------>return NULL;
 
 
<------>precvframe->u.hdr.rx_data -= sz ;
<------>if (precvframe->u.hdr.rx_data < precvframe->u.hdr.rx_head) {
<------><------>precvframe->u.hdr.rx_data += sz ;
<------><------>return NULL;
<------>}
 
<------>precvframe->u.hdr.len += sz;
 
<------>return precvframe->u.hdr.rx_data;
 
}
 
 
__inline static u8 *recvframe_pull(union recv_frame *precvframe, sint sz)
{
<------>/* rx_data += sz; move rx_data sz bytes  hereafter */
 
<------>/* used for extract sz bytes from rx_data, update rx_data and return the updated rx_data to the caller */
 
 
<------>if (precvframe == NULL)
<------><------>return NULL;
 
 
<------>precvframe->u.hdr.rx_data += sz;
 
<------>if (precvframe->u.hdr.rx_data > precvframe->u.hdr.rx_tail) {
<------><------>precvframe->u.hdr.rx_data -= sz;
<------><------>return NULL;
<------>}
 
<------>precvframe->u.hdr.len -= sz;
 
<------>return precvframe->u.hdr.rx_data;
 
}
 
__inline static u8 *recvframe_put(union recv_frame *precvframe, sint sz)
{
<------>/* rx_tai += sz; move rx_tail sz bytes  hereafter */
 
<------>/* used for append sz bytes from ptr to rx_tail, update rx_tail and return the updated rx_tail to the caller */
<------>/* after putting, rx_tail must be still larger than rx_end. */
<------>unsigned char *prev_rx_tail;
 
<------>/* RTW_INFO("recvframe_put: len=%d\n", sz); */
 
<------>if (precvframe == NULL)
<------><------>return NULL;
 
<------>prev_rx_tail = precvframe->u.hdr.rx_tail;
 
<------>precvframe->u.hdr.rx_tail += sz;
 
<------>if (precvframe->u.hdr.rx_tail > precvframe->u.hdr.rx_end) {
<------><------>precvframe->u.hdr.rx_tail -= sz;
<------><------>return NULL;
<------>}
 
<------>precvframe->u.hdr.len += sz;
 
<------>return precvframe->u.hdr.rx_tail;
 
}
 
 
 
__inline static u8 *recvframe_pull_tail(union recv_frame *precvframe, sint sz)
{
<------>/* rmv data from rx_tail (by yitsen) */
 
<------>/* used for extract sz bytes from rx_end, update rx_end and return the updated rx_end to the caller */
<------>/* after pulling, rx_end must be still larger than rx_data. */
 
<------>if (precvframe == NULL)
<------><------>return NULL;
 
<------>precvframe->u.hdr.rx_tail -= sz;
 
<------>if (precvframe->u.hdr.rx_tail < precvframe->u.hdr.rx_data) {
<------><------>precvframe->u.hdr.rx_tail += sz;
<------><------>return NULL;
<------>}
 
<------>precvframe->u.hdr.len -= sz;
 
<------>return precvframe->u.hdr.rx_tail;
 
}
 
__inline static sint get_recvframe_len(union recv_frame *precvframe)
{
<------>return precvframe->u.hdr.len;
}
 
 
struct sta_info;
extern void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv);
 
extern void  mgt_dispatcher(_adapter *padapter, union recv_frame *precv_frame);
 
u8 adapter_allow_bmc_data_rx(_adapter *adapter);
#if 0
s32 pre_recv_entry(union recv_frame *precvframe, u8 *pphy_status);
#endif
void count_rx_stats(_adapter *padapter, union recv_frame *prframe, struct sta_info *sta);
u8 rtw_init_lite_recv_resource(struct dvobj_priv *dvobj);
void rtw_free_lite_recv_resource(struct dvobj_priv *dvobj);
#endif