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/* 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
#ifdef SBNI_DEBUG
#define DP( A ) A
#else
#define DP( A )
#endif
/* 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 */
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 0x80
struct sbni_csr1 {
#ifdef __LITTLE_ENDIAN_BITFIELD
u8 rxl : 5;
u8 rate : 2;
u8 : 1;
#else
u8 : 1;
u8 rate : 2;
u8 rxl : 5;
#endif
};
/* 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
};
enum {
DEFAULT_IOBASEADDR = 0x210,
DEFAULT_INTERRUPTNUMBER = 5,
DEFAULT_RATE = 0,
DEFAULT_FRAME_LEN = 1012
};
#define DEF_RXL_DELTA -1
#define DEF_RXL 0xf
#define SBNI_SIG 0x5a
#define SBNI_MIN_LEN 60 /* Shortest Ethernet frame without FCS */
#define SBNI_MAX_FRAME 1023
#define ETHER_MAX_LEN 1518
#define SBNI_TIMEOUT (HZ/10)
#define TR_ERROR_COUNT 32
#define CHANGE_LEVEL_START_TICKS 4
#define SBNI_MAX_NUM_CARDS 16
/* internal SBNI-specific statistics */
struct sbni_in_stats {
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
/* data packet for SIOCDEVGHWSTATE/SIOCDEVSHWSTATE ioctl requests */
struct sbni_flags {
u32 rxl : 4;
u32 rate : 2;
u32 fixed_rxl : 1;
u32 slow_mode : 1;
u32 mac_addr : 24;
};
/*
* 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
#endif
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