148 lines
2.7 KiB
C
148 lines
2.7 KiB
C
|
/* 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
|
||
|
|
|