148 lines
2.7 KiB
C
148 lines
2.7 KiB
C
/* sbni.h: definitions for a Granch SBNI12 driver, version 5.0.0
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* Written 2001 Denis I.Timofeev (timofeev@granch.ru)
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* This file is distributed under the GNU GPL
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*/
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#ifndef SBNI_H
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#define SBNI_H
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#ifdef SBNI_DEBUG
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#define DP( A ) A
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#else
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#define DP( A )
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#endif
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/* We don't have official vendor id yet... */
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#define SBNI_PCI_VENDOR 0x55
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#define SBNI_PCI_DEVICE 0x9f
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#define ISA_MODE 0x00
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#define PCI_MODE 0x01
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#define SBNI_IO_EXTENT 4
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enum sbni_reg {
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CSR0 = 0,
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CSR1 = 1,
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DAT = 2
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};
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/* CSR0 mapping */
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enum {
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BU_EMP = 0x02,
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RC_CHK = 0x04,
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CT_ZER = 0x08,
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TR_REQ = 0x10,
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TR_RDY = 0x20,
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EN_INT = 0x40,
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RC_RDY = 0x80
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};
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/* CSR1 mapping */
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#define PR_RES 0x80
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struct sbni_csr1 {
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#ifdef __LITTLE_ENDIAN_BITFIELD
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u8 rxl : 5;
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u8 rate : 2;
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u8 : 1;
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#else
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u8 : 1;
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u8 rate : 2;
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u8 rxl : 5;
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#endif
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};
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/* fields in frame header */
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#define FRAME_ACK_MASK (unsigned short)0x7000
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#define FRAME_LEN_MASK (unsigned short)0x03FF
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#define FRAME_FIRST (unsigned short)0x8000
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#define FRAME_RETRY (unsigned short)0x0800
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#define FRAME_SENT_BAD (unsigned short)0x4000
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#define FRAME_SENT_OK (unsigned short)0x3000
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/* state flags */
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enum {
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FL_WAIT_ACK = 0x01,
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FL_NEED_RESEND = 0x02,
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FL_PREV_OK = 0x04,
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FL_SLOW_MODE = 0x08,
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FL_SECONDARY = 0x10,
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#ifdef CONFIG_SBNI_MULTILINE
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FL_SLAVE = 0x20,
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#endif
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FL_LINE_DOWN = 0x40
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};
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enum {
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DEFAULT_IOBASEADDR = 0x210,
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DEFAULT_INTERRUPTNUMBER = 5,
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DEFAULT_RATE = 0,
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DEFAULT_FRAME_LEN = 1012
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};
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#define DEF_RXL_DELTA -1
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#define DEF_RXL 0xf
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#define SBNI_SIG 0x5a
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#define SBNI_MIN_LEN 60 /* Shortest Ethernet frame without FCS */
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#define SBNI_MAX_FRAME 1023
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#define ETHER_MAX_LEN 1518
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#define SBNI_TIMEOUT (HZ/10)
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#define TR_ERROR_COUNT 32
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#define CHANGE_LEVEL_START_TICKS 4
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#define SBNI_MAX_NUM_CARDS 16
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/* internal SBNI-specific statistics */
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struct sbni_in_stats {
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u32 all_rx_number;
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u32 bad_rx_number;
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u32 timeout_number;
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u32 all_tx_number;
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u32 resend_tx_number;
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};
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/* SBNI ioctl params */
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#define SIOCDEVGETINSTATS SIOCDEVPRIVATE
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#define SIOCDEVRESINSTATS SIOCDEVPRIVATE+1
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#define SIOCDEVGHWSTATE SIOCDEVPRIVATE+2
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#define SIOCDEVSHWSTATE SIOCDEVPRIVATE+3
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#define SIOCDEVENSLAVE SIOCDEVPRIVATE+4
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#define SIOCDEVEMANSIPATE SIOCDEVPRIVATE+5
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/* data packet for SIOCDEVGHWSTATE/SIOCDEVSHWSTATE ioctl requests */
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struct sbni_flags {
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u32 rxl : 4;
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u32 rate : 2;
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u32 fixed_rxl : 1;
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u32 slow_mode : 1;
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u32 mac_addr : 24;
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};
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/*
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* CRC-32 stuff
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*/
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#define CRC32(c,crc) (crc32tab[((size_t)(crc) ^ (c)) & 0xff] ^ (((crc) >> 8) & 0x00FFFFFF))
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/* CRC generator 0xEDB88320 */
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/* CRC remainder 0x2144DF1C */
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/* CRC initial value 0x00000000 */
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#define CRC32_REMAINDER 0x2144DF1C
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#define CRC32_INITIAL 0x00000000
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#ifndef __initdata
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#define __initdata
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#endif
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#endif
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