471 lines
15 KiB
C
471 lines
15 KiB
C
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#ifndef _LMC_VAR_H_
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#define _LMC_VAR_H_
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/*
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* Copyright (c) 1997-2000 LAN Media Corporation (LMC)
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* All rights reserved. www.lanmedia.com
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*
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* This code is written by:
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* Andrew Stanley-Jones (asj@cban.com)
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* Rob Braun (bbraun@vix.com),
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* Michael Graff (explorer@vix.com) and
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* Matt Thomas (matt@3am-software.com).
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License version 2, incorporated herein by reference.
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*/
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#include <linux/timer.h>
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/*
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* basic definitions used in lmc include files
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*/
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typedef struct lmc___softc lmc_softc_t;
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typedef struct lmc___media lmc_media_t;
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typedef struct lmc___ctl lmc_ctl_t;
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#define lmc_csrptr_t unsigned long
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#define LMC_REG_RANGE 0x80
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#define LMC_PRINTF_FMT "%s"
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#define LMC_PRINTF_ARGS (sc->lmc_device->name)
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#define TX_TIMEOUT (2*HZ)
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#define LMC_TXDESCS 32
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#define LMC_RXDESCS 32
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#define LMC_LINK_UP 1
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#define LMC_LINK_DOWN 0
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/* These macros for generic read and write to and from the dec chip */
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#define LMC_CSR_READ(sc, csr) \
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inl((sc)->lmc_csrs.csr)
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#define LMC_CSR_WRITE(sc, reg, val) \
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outl((val), (sc)->lmc_csrs.reg)
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//#ifdef _LINUX_DELAY_H
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// #define SLOW_DOWN_IO udelay(2);
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// #undef __SLOW_DOWN_IO
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// #define __SLOW_DOWN_IO udelay(2);
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//#endif
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#define DELAY(n) SLOW_DOWN_IO
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#define lmc_delay() inl(sc->lmc_csrs.csr_9)
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/* This macro sync's up with the mii so that reads and writes can take place */
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#define LMC_MII_SYNC(sc) do {int n=32; while( n >= 0 ) { \
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LMC_CSR_WRITE((sc), csr_9, 0x20000); \
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lmc_delay(); \
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LMC_CSR_WRITE((sc), csr_9, 0x30000); \
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lmc_delay(); \
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n--; }} while(0)
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struct lmc_regfile_t {
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lmc_csrptr_t csr_busmode; /* CSR0 */
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lmc_csrptr_t csr_txpoll; /* CSR1 */
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lmc_csrptr_t csr_rxpoll; /* CSR2 */
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lmc_csrptr_t csr_rxlist; /* CSR3 */
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lmc_csrptr_t csr_txlist; /* CSR4 */
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lmc_csrptr_t csr_status; /* CSR5 */
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lmc_csrptr_t csr_command; /* CSR6 */
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lmc_csrptr_t csr_intr; /* CSR7 */
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lmc_csrptr_t csr_missed_frames; /* CSR8 */
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lmc_csrptr_t csr_9; /* CSR9 */
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lmc_csrptr_t csr_10; /* CSR10 */
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lmc_csrptr_t csr_11; /* CSR11 */
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lmc_csrptr_t csr_12; /* CSR12 */
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lmc_csrptr_t csr_13; /* CSR13 */
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lmc_csrptr_t csr_14; /* CSR14 */
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lmc_csrptr_t csr_15; /* CSR15 */
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};
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#define csr_enetrom csr_9 /* 21040 */
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#define csr_reserved csr_10 /* 21040 */
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#define csr_full_duplex csr_11 /* 21040 */
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#define csr_bootrom csr_10 /* 21041/21140A/?? */
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#define csr_gp csr_12 /* 21140* */
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#define csr_watchdog csr_15 /* 21140* */
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#define csr_gp_timer csr_11 /* 21041/21140* */
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#define csr_srom_mii csr_9 /* 21041/21140* */
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#define csr_sia_status csr_12 /* 2104x */
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#define csr_sia_connectivity csr_13 /* 2104x */
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#define csr_sia_tx_rx csr_14 /* 2104x */
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#define csr_sia_general csr_15 /* 2104x */
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/* tulip length/control transmit descriptor definitions
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* used to define bits in the second tulip_desc_t field (length)
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* for the transmit descriptor -baz */
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#define LMC_TDES_FIRST_BUFFER_SIZE ((u32)(0x000007FF))
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#define LMC_TDES_SECOND_BUFFER_SIZE ((u32)(0x003FF800))
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#define LMC_TDES_HASH_FILTERING ((u32)(0x00400000))
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#define LMC_TDES_DISABLE_PADDING ((u32)(0x00800000))
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#define LMC_TDES_SECOND_ADDR_CHAINED ((u32)(0x01000000))
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#define LMC_TDES_END_OF_RING ((u32)(0x02000000))
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#define LMC_TDES_ADD_CRC_DISABLE ((u32)(0x04000000))
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#define LMC_TDES_SETUP_PACKET ((u32)(0x08000000))
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#define LMC_TDES_INVERSE_FILTERING ((u32)(0x10000000))
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#define LMC_TDES_FIRST_SEGMENT ((u32)(0x20000000))
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#define LMC_TDES_LAST_SEGMENT ((u32)(0x40000000))
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#define LMC_TDES_INTERRUPT_ON_COMPLETION ((u32)(0x80000000))
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#define TDES_SECOND_BUFFER_SIZE_BIT_NUMBER 11
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#define TDES_COLLISION_COUNT_BIT_NUMBER 3
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/* Constants for the RCV descriptor RDES */
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#define LMC_RDES_OVERFLOW ((u32)(0x00000001))
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#define LMC_RDES_CRC_ERROR ((u32)(0x00000002))
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#define LMC_RDES_DRIBBLING_BIT ((u32)(0x00000004))
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#define LMC_RDES_REPORT_ON_MII_ERR ((u32)(0x00000008))
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#define LMC_RDES_RCV_WATCHDOG_TIMEOUT ((u32)(0x00000010))
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#define LMC_RDES_FRAME_TYPE ((u32)(0x00000020))
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#define LMC_RDES_COLLISION_SEEN ((u32)(0x00000040))
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#define LMC_RDES_FRAME_TOO_LONG ((u32)(0x00000080))
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#define LMC_RDES_LAST_DESCRIPTOR ((u32)(0x00000100))
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#define LMC_RDES_FIRST_DESCRIPTOR ((u32)(0x00000200))
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#define LMC_RDES_MULTICAST_FRAME ((u32)(0x00000400))
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#define LMC_RDES_RUNT_FRAME ((u32)(0x00000800))
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#define LMC_RDES_DATA_TYPE ((u32)(0x00003000))
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#define LMC_RDES_LENGTH_ERROR ((u32)(0x00004000))
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#define LMC_RDES_ERROR_SUMMARY ((u32)(0x00008000))
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#define LMC_RDES_FRAME_LENGTH ((u32)(0x3FFF0000))
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#define LMC_RDES_OWN_BIT ((u32)(0x80000000))
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#define RDES_FRAME_LENGTH_BIT_NUMBER 16
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#define LMC_RDES_ERROR_MASK ( (u32)( \
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LMC_RDES_OVERFLOW \
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| LMC_RDES_DRIBBLING_BIT \
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| LMC_RDES_REPORT_ON_MII_ERR \
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| LMC_RDES_COLLISION_SEEN ) )
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/*
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* Ioctl info
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*/
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typedef struct {
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u32 n;
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u32 m;
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u32 v;
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u32 x;
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u32 r;
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u32 f;
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u32 exact;
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} lmc_av9110_t;
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/*
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* Common structure passed to the ioctl code.
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*/
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struct lmc___ctl {
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u32 cardtype;
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u32 clock_source; /* HSSI, T1 */
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u32 clock_rate; /* T1 */
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u32 crc_length;
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u32 cable_length; /* DS3 */
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u32 scrambler_onoff; /* DS3 */
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u32 cable_type; /* T1 */
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u32 keepalive_onoff; /* protocol */
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u32 ticks; /* ticks/sec */
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union {
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lmc_av9110_t ssi;
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} cardspec;
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u32 circuit_type; /* T1 or E1 */
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};
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/*
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* Careful, look at the data sheet, there's more to this
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* structure than meets the eye. It should probably be:
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*
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* struct tulip_desc_t {
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* u8 own:1;
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* u32 status:31;
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* u32 control:10;
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* u32 buffer1;
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* u32 buffer2;
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* };
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* You could also expand status control to provide more bit information
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*/
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struct tulip_desc_t {
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s32 status;
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s32 length;
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u32 buffer1;
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u32 buffer2;
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};
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/*
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* media independent methods to check on media status, link, light LEDs,
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* etc.
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*/
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struct lmc___media {
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void (* init)(lmc_softc_t * const);
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void (* defaults)(lmc_softc_t * const);
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void (* set_status)(lmc_softc_t * const, lmc_ctl_t *);
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void (* set_clock_source)(lmc_softc_t * const, int);
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void (* set_speed)(lmc_softc_t * const, lmc_ctl_t *);
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void (* set_cable_length)(lmc_softc_t * const, int);
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void (* set_scrambler)(lmc_softc_t * const, int);
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int (* get_link_status)(lmc_softc_t * const);
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void (* set_link_status)(lmc_softc_t * const, int);
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void (* set_crc_length)(lmc_softc_t * const, int);
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void (* set_circuit_type)(lmc_softc_t * const, int);
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void (* watchdog)(lmc_softc_t * const);
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};
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#define STATCHECK 0xBEEFCAFE
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struct lmc_extra_statistics
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{
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u32 version_size;
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u32 lmc_cardtype;
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u32 tx_ProcTimeout;
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u32 tx_IntTimeout;
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u32 tx_NoCompleteCnt;
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u32 tx_MaxXmtsB4Int;
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u32 tx_TimeoutCnt;
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u32 tx_OutOfSyncPtr;
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u32 tx_tbusy0;
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u32 tx_tbusy1;
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u32 tx_tbusy_calls;
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u32 resetCount;
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u32 lmc_txfull;
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u32 tbusy;
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u32 dirtyTx;
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u32 lmc_next_tx;
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u32 otherTypeCnt;
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u32 lastType;
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u32 lastTypeOK;
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u32 txLoopCnt;
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u32 usedXmtDescripCnt;
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u32 txIndexCnt;
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u32 rxIntLoopCnt;
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u32 rx_SmallPktCnt;
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u32 rx_BadPktSurgeCnt;
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u32 rx_BuffAllocErr;
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u32 tx_lossOfClockCnt;
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/* T1 error counters */
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u32 framingBitErrorCount;
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u32 lineCodeViolationCount;
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u32 lossOfFrameCount;
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u32 changeOfFrameAlignmentCount;
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u32 severelyErroredFrameCount;
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u32 check;
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};
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typedef struct lmc_xinfo {
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u32 Magic0; /* BEEFCAFE */
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u32 PciCardType;
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u32 PciSlotNumber; /* PCI slot number */
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u16 DriverMajorVersion;
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u16 DriverMinorVersion;
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u16 DriverSubVersion;
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u16 XilinxRevisionNumber;
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u16 MaxFrameSize;
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u16 t1_alarm1_status;
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u16 t1_alarm2_status;
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int link_status;
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u32 mii_reg16;
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u32 Magic1; /* DEADBEEF */
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} LMC_XINFO;
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/*
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* forward decl
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*/
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struct lmc___softc {
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char *name;
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u8 board_idx;
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struct lmc_extra_statistics extra_stats;
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struct net_device *lmc_device;
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int hang, rxdesc, bad_packet, some_counter;
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u32 txgo;
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struct lmc_regfile_t lmc_csrs;
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volatile u32 lmc_txtick;
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volatile u32 lmc_rxtick;
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u32 lmc_flags;
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u32 lmc_intrmask; /* our copy of csr_intr */
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u32 lmc_cmdmode; /* our copy of csr_cmdmode */
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u32 lmc_busmode; /* our copy of csr_busmode */
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u32 lmc_gpio_io; /* state of in/out settings */
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u32 lmc_gpio; /* state of outputs */
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struct sk_buff* lmc_txq[LMC_TXDESCS];
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struct sk_buff* lmc_rxq[LMC_RXDESCS];
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volatile
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struct tulip_desc_t lmc_rxring[LMC_RXDESCS];
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volatile
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struct tulip_desc_t lmc_txring[LMC_TXDESCS];
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unsigned int lmc_next_rx, lmc_next_tx;
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volatile
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unsigned int lmc_taint_tx, lmc_taint_rx;
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int lmc_tx_start, lmc_txfull;
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int lmc_txbusy;
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u16 lmc_miireg16;
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int lmc_ok;
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int last_link_status;
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int lmc_cardtype;
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u32 last_frameerr;
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lmc_media_t *lmc_media;
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struct timer_list timer;
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lmc_ctl_t ictl;
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u32 TxDescriptControlInit;
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int tx_TimeoutInd; /* additional driver state */
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int tx_TimeoutDisplay;
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unsigned int lastlmc_taint_tx;
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int lasttx_packets;
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u32 tx_clockState;
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u32 lmc_crcSize;
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LMC_XINFO lmc_xinfo;
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char lmc_yel, lmc_blue, lmc_red; /* for T1 and DS3 */
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char lmc_timing; /* for HSSI and SSI */
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int got_irq;
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char last_led_err[4];
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u32 last_int;
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u32 num_int;
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|
spinlock_t lmc_lock;
|
||
|
|
u16 if_type; /* HDLC/PPP or NET */
|
||
|
|
|
||
|
|
/* Failure cases */
|
||
|
|
u8 failed_ring;
|
||
|
|
u8 failed_recv_alloc;
|
||
|
|
|
||
|
|
/* Structure check */
|
||
|
|
u32 check;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define LMC_PCI_TIME 1
|
||
|
|
#define LMC_EXT_TIME 0
|
||
|
|
|
||
|
|
#define PKT_BUF_SZ 1542 /* was 1536 */
|
||
|
|
|
||
|
|
/* CSR5 settings */
|
||
|
|
#define TIMER_INT 0x00000800
|
||
|
|
#define TP_LINK_FAIL 0x00001000
|
||
|
|
#define TP_LINK_PASS 0x00000010
|
||
|
|
#define NORMAL_INT 0x00010000
|
||
|
|
#define ABNORMAL_INT 0x00008000
|
||
|
|
#define RX_JABBER_INT 0x00000200
|
||
|
|
#define RX_DIED 0x00000100
|
||
|
|
#define RX_NOBUFF 0x00000080
|
||
|
|
#define RX_INT 0x00000040
|
||
|
|
#define TX_FIFO_UNDER 0x00000020
|
||
|
|
#define TX_JABBER 0x00000008
|
||
|
|
#define TX_NOBUFF 0x00000004
|
||
|
|
#define TX_DIED 0x00000002
|
||
|
|
#define TX_INT 0x00000001
|
||
|
|
|
||
|
|
/* CSR6 settings */
|
||
|
|
#define OPERATION_MODE 0x00000200 /* Full Duplex */
|
||
|
|
#define PROMISC_MODE 0x00000040 /* Promiscuous Mode */
|
||
|
|
#define RECEIVE_ALL 0x40000000 /* Receive All */
|
||
|
|
#define PASS_BAD_FRAMES 0x00000008 /* Pass Bad Frames */
|
||
|
|
|
||
|
|
/* Dec control registers CSR6 as well */
|
||
|
|
#define LMC_DEC_ST 0x00002000
|
||
|
|
#define LMC_DEC_SR 0x00000002
|
||
|
|
|
||
|
|
/* CSR15 settings */
|
||
|
|
#define RECV_WATCHDOG_DISABLE 0x00000010
|
||
|
|
#define JABBER_DISABLE 0x00000001
|
||
|
|
|
||
|
|
/* More settings */
|
||
|
|
/*
|
||
|
|
* aSR6 -- Command (Operation Mode) Register
|
||
|
|
*/
|
||
|
|
#define TULIP_CMD_RECEIVEALL 0x40000000L /* (RW) Receivel all frames? */
|
||
|
|
#define TULIP_CMD_MUSTBEONE 0x02000000L /* (RW) Must Be One (21140) */
|
||
|
|
#define TULIP_CMD_TXTHRSHLDCTL 0x00400000L /* (RW) Transmit Threshold Mode (21140) */
|
||
|
|
#define TULIP_CMD_STOREFWD 0x00200000L /* (RW) Store and Forward (21140) */
|
||
|
|
#define TULIP_CMD_NOHEARTBEAT 0x00080000L /* (RW) No Heartbeat (21140) */
|
||
|
|
#define TULIP_CMD_PORTSELECT 0x00040000L /* (RW) Post Select (100Mb) (21140) */
|
||
|
|
#define TULIP_CMD_FULLDUPLEX 0x00000200L /* (RW) Full Duplex Mode */
|
||
|
|
#define TULIP_CMD_OPERMODE 0x00000C00L /* (RW) Operating Mode */
|
||
|
|
#define TULIP_CMD_PROMISCUOUS 0x00000041L /* (RW) Promiscuous Mode */
|
||
|
|
#define TULIP_CMD_PASSBADPKT 0x00000008L /* (RW) Pass Bad Frames */
|
||
|
|
#define TULIP_CMD_THRESHOLDCTL 0x0000C000L /* (RW) Threshold Control */
|
||
|
|
|
||
|
|
#define TULIP_GP_PINSET 0x00000100L
|
||
|
|
#define TULIP_BUSMODE_SWRESET 0x00000001L
|
||
|
|
#define TULIP_WATCHDOG_TXDISABLE 0x00000001L
|
||
|
|
#define TULIP_WATCHDOG_RXDISABLE 0x00000010L
|
||
|
|
|
||
|
|
#define TULIP_STS_NORMALINTR 0x00010000L /* (RW) Normal Interrupt */
|
||
|
|
#define TULIP_STS_ABNRMLINTR 0x00008000L /* (RW) Abnormal Interrupt */
|
||
|
|
#define TULIP_STS_ERI 0x00004000L /* (RW) Early Receive Interrupt */
|
||
|
|
#define TULIP_STS_SYSERROR 0x00002000L /* (RW) System Error */
|
||
|
|
#define TULIP_STS_GTE 0x00000800L /* (RW) General Pupose Timer Exp */
|
||
|
|
#define TULIP_STS_ETI 0x00000400L /* (RW) Early Transmit Interrupt */
|
||
|
|
#define TULIP_STS_RXWT 0x00000200L /* (RW) Receiver Watchdog Timeout */
|
||
|
|
#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receiver Process Stopped */
|
||
|
|
#define TULIP_STS_RXNOBUF 0x00000080L /* (RW) Receive Buf Unavail */
|
||
|
|
#define TULIP_STS_RXINTR 0x00000040L /* (RW) Receive Interrupt */
|
||
|
|
#define TULIP_STS_TXUNDERFLOW 0x00000020L /* (RW) Transmit Underflow */
|
||
|
|
#define TULIP_STS_TXJABER 0x00000008L /* (RW) Jabber timeout */
|
||
|
|
#define TULIP_STS_TXNOBUF 0x00000004L
|
||
|
|
#define TULIP_STS_TXSTOPPED 0x00000002L /* (RW) Transmit Process Stopped */
|
||
|
|
#define TULIP_STS_TXINTR 0x00000001L /* (RW) Transmit Interrupt */
|
||
|
|
|
||
|
|
#define TULIP_STS_RXS_STOPPED 0x00000000L /* 000 - Stopped */
|
||
|
|
|
||
|
|
#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receive Process Stopped */
|
||
|
|
#define TULIP_STS_RXNOBUF 0x00000080L
|
||
|
|
|
||
|
|
#define TULIP_CMD_TXRUN 0x00002000L /* (RW) Start/Stop Transmitter */
|
||
|
|
#define TULIP_CMD_RXRUN 0x00000002L /* (RW) Start/Stop Receive Filtering */
|
||
|
|
#define TULIP_DSTS_TxDEFERRED 0x00000001 /* Initially Deferred */
|
||
|
|
#define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = 21040) */
|
||
|
|
#define TULIP_DSTS_RxMIIERR 0x00000008
|
||
|
|
#define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR)
|
||
|
|
|
||
|
|
#define TULIP_DEFAULT_INTR_MASK (TULIP_STS_NORMALINTR \
|
||
|
|
| TULIP_STS_RXINTR \
|
||
|
|
| TULIP_STS_TXINTR \
|
||
|
|
| TULIP_STS_ABNRMLINTR \
|
||
|
|
| TULIP_STS_SYSERROR \
|
||
|
|
| TULIP_STS_TXSTOPPED \
|
||
|
|
| TULIP_STS_TXUNDERFLOW\
|
||
|
|
| TULIP_STS_RXSTOPPED )
|
||
|
|
|
||
|
|
#define DESC_OWNED_BY_SYSTEM ((u32)(0x00000000))
|
||
|
|
#define DESC_OWNED_BY_DC21X4 ((u32)(0x80000000))
|
||
|
|
|
||
|
|
#ifndef TULIP_CMD_RECEIVEALL
|
||
|
|
#define TULIP_CMD_RECEIVEALL 0x40000000L
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Adapter module number */
|
||
|
|
#define LMC_ADAP_HSSI 2
|
||
|
|
#define LMC_ADAP_DS3 3
|
||
|
|
#define LMC_ADAP_SSI 4
|
||
|
|
#define LMC_ADAP_T1 5
|
||
|
|
|
||
|
|
#define LMC_MTU 1500
|
||
|
|
|
||
|
|
#define LMC_CRC_LEN_16 2 /* 16-bit CRC */
|
||
|
|
#define LMC_CRC_LEN_32 4
|
||
|
|
|
||
|
|
#endif /* _LMC_VAR_H_ */
|