patch-2.4.8 linux/drivers/net/wan/sbni.h

• Lines: 298
• Date: Wed Jul 25 14:12:02 2001
• Orig file: v2.4.7/linux/drivers/net/wan/sbni.h
• Orig date: Tue Jul 11 11:12:24 2000

diff -u --recursive --new-file v2.4.7/linux/drivers/net/wan/sbni.h linux/drivers/net/wan/sbni.h
@@ -1,25 +1,10 @@
-/*
- * 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.
- *
+/* sbni.h:  definitions for a Granch SBNI12 driver, version 5.0.0
+ * Written 2001 Denis I.Timofeev (timofeev@granch.ru)
+ * This file is distributed under the GNU GPL
  */
 
-#ifndef __SBNI_H
-#define __SBNI_H
-
-#define SBNI_DEBUG 0
+#ifndef SBNI_H
+#define SBNI_H
 
 #if SBNI_DEBUG
 #define DP( A ) A
@@ -27,168 +12,132 @@
 #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
+/* We don't have official vendor id yet... */
+#define SBNI_PCI_VENDOR 	0x55 
+#define SBNI_PCI_DEVICE 	0x9f
+
+#define ISA_MODE 0x00
+#define PCI_MODE 0x01
+
+#define	SBNI_IO_EXTENT	4
+
+enum sbni_reg {
+	CSR0 = 0,
+	CSR1 = 1,
+	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    */
+enum {
+	BU_EMP = 0x02,
+	RC_CHK = 0x04,
+	CT_ZER = 0x08,
+	TR_REQ = 0x10,
+	TR_RDY = 0x20,
+	EN_INT = 0x40,
+	RC_RDY = 0x80
+};
+
 
 /* CSR1 mapping */
-#define PR_RES	(1 << 7)	/*  w     */
+#define PR_RES 0x80
 
 struct sbni_csr1 {
-	unsigned rxl:5;
-	unsigned rate:2;
-	unsigned:1;
+	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
+/* fields in frame header */
+#define FRAME_ACK_MASK  (unsigned short)0x7000
+#define FRAME_LEN_MASK  (unsigned short)0x03FF
+#define FRAME_FIRST     (unsigned short)0x8000
+#define FRAME_RETRY     (unsigned short)0x0800
+
+#define FRAME_SENT_BAD  (unsigned short)0x4000
+#define FRAME_SENT_OK   (unsigned short)0x3000
+
+
+/* state flags */
+enum {
+	FL_WAIT_ACK    = 0x01,
+	FL_NEED_RESEND = 0x02,
+	FL_PREV_OK     = 0x04,
+	FL_SLOW_MODE   = 0x08,
+	FL_SECONDARY   = 0x10,
+#ifdef CONFIG_SBNI_MULTILINE
+	FL_SLAVE       = 0x20,
+#endif
+	FL_LINE_DOWN   = 0x40
+};
 
-#define SBNI_MAX_NUM_CARDS 8
-#define SBNI_MAX_SLAVES 8
 
+enum {
+	DEFAULT_IOBASEADDR = 0x210,
+	DEFAULT_INTERRUPTNUMBER = 5,
+	DEFAULT_RATE = 0,
+	DEFAULT_FRAME_LEN = 1012
+};
 
-#endif				/* MODULE */
+#define DEF_RXL_DELTA	-1
+#define DEF_RXL		0xf
 
 #define SBNI_SIG 0x5a
 
-#define	SB_ETHER_MIN_LEN 60
+#define	SBNI_MIN_LEN	60	/* Shortest Ethernet frame without FCS */
+#define SBNI_MAX_FRAME	1023
+#define ETHER_MAX_LEN	1518
 
-#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 SBNI_TIMEOUT	(HZ/10)
 
-#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 TR_ERROR_COUNT	32
+#define CHANGE_LEVEL_START_TICKS 4
 
-#define SBNI_TIMEOUT HZ/10	/* ticks to wait for pong or packet */
-		/* sbni watchdog called SBNI_HZ times per sec. */
+#define SBNI_MAX_NUM_CARDS	16
 
+/* internal SBNI-specific statistics */
 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;
+	u32	all_rx_number;
+	u32	bad_rx_number;
+	u32	timeout_number;
+	u32	all_tx_number;
+	u32	resend_tx_number;
 };
 
+/* SBNI ioctl params */
+#define SIOCDEVGETINSTATS 	SIOCDEVPRIVATE
+#define SIOCDEVRESINSTATS 	SIOCDEVPRIVATE+1
+#define SIOCDEVGHWSTATE   	SIOCDEVPRIVATE+2
+#define SIOCDEVSHWSTATE   	SIOCDEVPRIVATE+3
+#define SIOCDEVENSLAVE  	SIOCDEVPRIVATE+4
+#define SIOCDEVEMANSIPATE  	SIOCDEVPRIVATE+5
 
-/*
- *    Board-specific info in dev->priv. 
- */
-struct net_local {
-	struct net_device_stats 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;
-
-	spinlock_t lock;
-};
-
-
-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
 
+/* data packet for SIOCDEVGHWSTATE/SIOCDEVSHWSTATE ioctl requests */
 struct sbni_flags {
-	unsigned rxl:4;
-	unsigned rate:2;
-	unsigned fixed_rxl:1;
-	unsigned fixed_rate:1;
+	u32	rxl		: 4;
+	u32	rate		: 2;
+	u32	fixed_rxl	: 1;
+	u32	slow_mode	: 1;
+	u32	mac_addr	: 24;
 };
 
-#define RCV_NO 0
-#define RCV_OK 1
-#define RCV_WR 2
+/*
+ * CRC-32 stuff
+ */
+#define CRC32(c,crc) (crc32tab[((size_t)(crc) ^ (c)) & 0xff] ^ (((crc) >> 8) & 0x00FFFFFF))
+      /* CRC generator 0xEDB88320 */
+      /* CRC remainder 0x2144DF1C */
+      /* CRC initial value 0x00000000 */
+#define CRC32_REMAINDER 0x2144DF1C
+#define CRC32_INITIAL 0x00000000
 
+#ifndef __initdata
+#define __initdata
+#endif
 
-#define SIOCDEVGETINSTATS 	SIOCDEVPRIVATE
-#define SIOCDEVRESINSTATS 	SIOCDEVPRIVATE+1
-#define SIOCDEVGHWSTATE   	SIOCDEVPRIVATE+2
-#define SIOCDEVSHWSTATE   	SIOCDEVPRIVATE+3
-#define SIOCDEVENSLAVE  	SIOCDEVPRIVATE+4
-#define SIOCDEVEMANSIPATE  	SIOCDEVPRIVATE+5
+#define min( x, y )	( (x) < (y)  ?  (x)  :  (y) )
 
+#endif
 
-#endif				/* __SBNI_H */