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147 lines
2.7 KiB
147 lines
2.7 KiB
/* sbni.h: definitions for a Granch SBNI12 driver, version 5.0.0 |
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* Written 2001 Denis I.Timofeev ([email protected]) |
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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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