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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 {
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# ifdef __LITTLE_ENDIAN_BITFIELD
u8 rxl : 5 ;
u8 rate : 2 ;
u8 : 1 ;
# else
u8 : 1 ;
u8 rate : 2 ;
u8 rxl : 5 ;
# endif
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} ;
/* 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
