| /* 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 |
| |