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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [net/] [wan/] [sbni.h] - Rev 1275
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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 #if 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 { unsigned rxl : 5; unsigned rate : 2; unsigned : 1; }; /* 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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