patch-2.3.21 linux/drivers/net/wan/sbni.h

• Lines: 195
• Date: Mon Oct 11 10:13:25 1999
• Orig file: v2.3.20/linux/drivers/net/wan/sbni.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.20/linux/drivers/net/wan/sbni.h linux/drivers/net/wan/sbni.h
@@ -0,0 +1,194 @@
+/*
+ * sbni.h - header file for sbni linux device driver
+ *
+ * Copyright (C) 1999 Granch ltd., Yaroslav Polyakov (xenon@granch.ru).
+ *
+ */
+
+/*
+ * SBNI12 definitions
+ *
+ * Revision 2.0.0  1997/08/27
+ * Initial revision
+ *
+ * Revision 2.1.0  1999/04/26
+ * dev_priv structure changed to support balancing and some other features.
+ *
+ */
+
+#ifndef __SBNI_H
+#define __SBNI_H
+
+#define SBNI_DEBUG 0
+
+#if SBNI_DEBUG
+#define DP( A ) A
+#else
+#define DP( A )
+#endif
+
+typedef unsigned char BOOLEAN;
+
+#define TRUE 1
+#define FALSE 0
+
+#define	SBNI_IO_EXTENT	0x4
+#define SB_MAX_BUFFER_ARRAY 1023
+
+#define CSR0	0
+#define CSR1	1
+
+#define	DAT	2
+
+/* CSR0 mapping */
+#define BU_EMP	(1 << 1)	/* r z    */
+#define	RC_CHK	(1 << 2)	/* rw     */
+#define	CT_ZER	(1 << 3)	/*  w     */
+#define	TR_REQ	(1 << 4)	/* rwz*   */
+
+#define TR_RDY	(1 << 5)	/* r z    */
+#define EN_INT	(1 << 6)	/* rwz* */
+#define RC_RDY	(1 << 7)	/* r z    */
+
+/* CSR1 mapping */
+#define PR_RES	(1 << 7)	/*  w     */
+
+struct sbni_csr1 {
+	unsigned rxl:5;
+	unsigned rate:2;
+	unsigned:1;
+};
+
+#define DEF_RXL_DELTA	-1
+#define DEF_RXL		0xf
+#define DEF_RATE	0
+#define DEF_FRAME_LEN	(1023 - 14 - 9)
+
+#ifdef MODULE
+
+#define SBNI_MAX_NUM_CARDS 8
+#define SBNI_MAX_SLAVES 8
+
+
+#endif				/* MODULE */
+
+#define SBNI_SIG 0x5a
+
+#define	SB_ETHER_MIN_LEN 60
+
+#define SB_FILLING_CHAR (unsigned char)0x00
+#define TR_ERROR_COUNT 32
+#define CHANGE_LEVEL_START_TICKS 4
+#define SBNI_INTERNAL_QUEUE_SIZE 10	/* 100 ? */
+
+#define PACKET_FIRST_FRAME (unsigned short)0x8000
+#define RECEIVE_FRAME_RESEND (unsigned short)0x0800
+#define PACKET_RESEND 0x4000
+#define PACKET_SEND_OK 0x3000
+#define PACKET_LEN_MASK (unsigned short)0x03ff
+#define PACKET_INF_MASK (unsigned short)0x7000
+
+#define ETHER_ADDR_LEN 6
+
+#define SBNI_TIMEOUT HZ/10	/* ticks to wait for pong or packet */
+		/* sbni watchdog called SBNI_HZ times per sec. */
+
+struct sbni_in_stats {
+	unsigned int all_rx_number;
+	unsigned int bad_rx_number;
+	unsigned int timeout_number;
+	unsigned int all_tx_number;
+	unsigned int resend_tx_number;
+};
+
+
+/*
+ *    Board-specific info in dev->priv. 
+ */
+struct net_local {
+	struct enet_statistics stats;
+
+	struct timer_list watchdog;
+	unsigned int realframelen;	/* the current size of the SB-frame */
+	unsigned int eth_trans_buffer_len;	/* tx buffer length */
+	unsigned int outpos;
+	unsigned int inppos;
+	unsigned int frame_len;	/* The set SB-frame size */
+	unsigned int tr_err;
+	unsigned int timer_ticks;
+	BOOLEAN last_receive_OK;
+	BOOLEAN tr_resend;
+
+	unsigned char wait_frame_number;
+	unsigned char eth_trans_buffer[1520];	/* tx buffer */
+	unsigned char HSCounter;	/* Reserved field */
+	unsigned char eth_rcv_buffer[2600];	/* rx buffer */
+	struct sbni_csr1 csr1;
+	/* Internal Statistics */
+	struct sbni_in_stats in_stats;
+
+	int rxl_curr;		/* current receive level value [0..0xf] */
+	int rxl_delta;		/* receive level delta (+1, -1)
+				   rxl_delta == 0 - receive level
+				   autodetection
+				   disabled            */
+	unsigned int ok_curr;	/* current ok frames received           */
+	unsigned int ok_prev;	/* previous ok frames received          */
+	unsigned int timeout_rxl;
+
+	struct sk_buff_head queue;
+	struct sk_buff *currframe;
+	BOOLEAN waitack;
+
+	struct net_device *m;	/* master */
+	struct net_device *me;	/* me */
+	struct net_local *next_lp;	/* next lp */
+
+	int carrier;
+
+
+};
+
+
+struct sbni_hard_header {
+
+	/* internal sbni stuff */
+	unsigned int crc;	/* 4 */
+	unsigned short packetlen;	/* 2 */
+	unsigned char number;	/* 1 */
+	unsigned char reserv;	/* 1 */
+
+	/* 8 */
+
+	/* ethernet stuff */
+	unsigned char h_dest[ETH_ALEN];		/* destination eth addr */
+	unsigned char h_source[ETH_ALEN];	/* source ether addr    */
+	unsigned short h_proto;	/* packet type ID field */
+	/* +14 */
+	/* 22 */
+
+};
+
+#define SBNI_HH_SZ 22
+
+struct sbni_flags {
+	unsigned rxl:4;
+	unsigned rate:2;
+	unsigned fixed_rxl:1;
+	unsigned fixed_rate:1;
+};
+
+#define RCV_NO 0
+#define RCV_OK 1
+#define RCV_WR 2
+
+
+#define SIOCDEVGETINSTATS 	SIOCDEVPRIVATE
+#define SIOCDEVRESINSTATS 	SIOCDEVPRIVATE+1
+#define SIOCDEVGHWSTATE   	SIOCDEVPRIVATE+2
+#define SIOCDEVSHWSTATE   	SIOCDEVPRIVATE+3
+#define SIOCDEVENSLAVE  	SIOCDEVPRIVATE+4
+#define SIOCDEVEMANSIPATE  	SIOCDEVPRIVATE+5
+
+
+#endif				/* __SBNI_H */