166 lines
3.9 KiB
C
166 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 1994, Paul Richards. This software may be used, modified,
|
|
* copied, distributed, and sold, in both source and binary form provided
|
|
* that the above copyright and these terms are retained. Under no
|
|
* circumstances is the author responsible for the proper functioning
|
|
* of this software, nor does the author assume any responsibility
|
|
* for damages incurred with its use.
|
|
*
|
|
*/
|
|
|
|
#include <i386/isa/ic/Am7990.h>
|
|
|
|
/*
|
|
* Initialize multicast address hashing registers to accept
|
|
* all multicasts (only used when in promiscuous mode)
|
|
*/
|
|
#if NBPFILTER > 0
|
|
#define MULTI_INIT_ADDR 0xff
|
|
#else
|
|
#define MULTI_INIT_ADDR 0
|
|
#endif
|
|
|
|
#define NORMAL 0
|
|
|
|
#define NRDRE 3
|
|
#define NTDRE 3
|
|
#define RECVBUFSIZE 1518 /* Packet size rounded to dword boundary */
|
|
#define TRANSBUFSIZE 1518
|
|
#define MBUF_CACHE_LIMIT 0
|
|
|
|
#define MEM_SLEW 8
|
|
|
|
|
|
/* BICC port addresses */
|
|
#define BICC_IOSIZE 16
|
|
#define BICC_RDP 0x0c /* Register Data Port */
|
|
#define BICC_RAP 0x0e /* Register Address Port */
|
|
|
|
/* NE2100 port addresses */
|
|
#define NE2100_IOSIZE 24
|
|
#define PCNET_RDP 0x10 /* Register Data Port */
|
|
#define PCNET_RAP 0x12 /* Register Address Port */
|
|
#define PCNET_RESET 0x14
|
|
#define PCNET_IDP 0x16
|
|
#define PCNET_VSW 0x18
|
|
|
|
/* DEPCA port addresses */
|
|
#define DEPCA_IOSIZE 16
|
|
#define DEPCA_CTRL 0x00 /* NIC Control and status register */
|
|
#define DEPCA_RDP 0x04 /* Register Data Port */
|
|
#define DEPCA_RAP 0x06 /* Register Address Port */
|
|
#define DEPCA_ADP 0x0c
|
|
|
|
/* DEPCA specific defines */
|
|
#define DEPCA_ADDR_ROM_SIZE 32
|
|
|
|
/* Chip types */
|
|
#define LANCE 1 /* Am7990 */
|
|
#define C_LANCE 2 /* Am79C90 */
|
|
#define PCnet_ISA 3 /* Am79C960 */
|
|
#define PCnet_ISAplus 4 /* Am79C961 */
|
|
#define PCnet_32 5 /* Am79C965 */
|
|
#define PCnet_PCI 6 /* Am79C970 */
|
|
|
|
/* CSR88-89: Chip ID masks */
|
|
#define AMD_MASK 0x003
|
|
#define PART_MASK 0xffff
|
|
#define Am79C960 0x0003
|
|
#define Am79C961 0x2260
|
|
#define Am79C965 0x2430
|
|
#define Am79C970 0x0242
|
|
|
|
/* Board types */
|
|
#define UNKNOWN 0
|
|
#define BICC 1
|
|
#define NE2100 2
|
|
#define DEPCA 3
|
|
|
|
/* mem_mode values */
|
|
#define DMA_FIXED 1
|
|
#define DMA_MBUF 2
|
|
#define SHMEM 4
|
|
|
|
#define MEM_MODES \
|
|
"\20\3SHMEM\2DMA_MBUF\1DMA_FIXED"
|
|
|
|
#define CSR0_FLAGS \
|
|
"\20\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\12TINT\11IDON\
|
|
\10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT"
|
|
|
|
#define INIT_MODE \
|
|
"\20\20PROM\07INTL\06DRTY\05COLL\04DTCR\03LOOP\02DTX\01DRX"
|
|
|
|
#define RECV_MD1 \
|
|
"\20\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP"
|
|
|
|
#define TRANS_MD1 \
|
|
"\20\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP"
|
|
|
|
#define TRANS_MD3 \
|
|
"\20\6BUFF\5UFLO\4RES\3LCOL\2LCAR\1RTRY"
|
|
|
|
struct nic_info {
|
|
int ident; /* Type of card */
|
|
int ic; /* Type of ic, Am7990, Am79C960 etc. */
|
|
int mem_mode;
|
|
int iobase;
|
|
int mode; /* Mode setting at initialization */
|
|
};
|
|
|
|
struct host_ring_entry {
|
|
struct mds *md;
|
|
union {
|
|
struct mbuf *mbuf;
|
|
char *data;
|
|
}buff;
|
|
};
|
|
|
|
#ifdef LNC_KEEP_STATS
|
|
#define LNCSTATS_STRUCT \
|
|
struct lnc_stats { \
|
|
int idon; \
|
|
int rint; \
|
|
int tint; \
|
|
int cerr; \
|
|
int babl; \
|
|
int miss; \
|
|
int merr; \
|
|
int rxoff; \
|
|
int txoff; \
|
|
int terr; \
|
|
int lcol; \
|
|
int lcar; \
|
|
int tbuff; \
|
|
int def; \
|
|
int more; \
|
|
int one; \
|
|
int uflo; \
|
|
int rtry; \
|
|
int rerr; \
|
|
int fram; \
|
|
int oflo; \
|
|
int crc; \
|
|
int rbuff; \
|
|
int drop_packet; \
|
|
int trans_ring_full; \
|
|
} lnc_stats;
|
|
#define LNCSTATS(X) ++(sc->lnc_stats.X);
|
|
#else
|
|
#define LNCSTATS_STRUCT
|
|
#define LNCSTATS(X)
|
|
#endif
|
|
|
|
#define NDESC(len2) (1 << len2)
|
|
|
|
#define INC_MD_PTR(ptr, no_entries) \
|
|
if (++ptr >= NDESC(no_entries)) \
|
|
ptr = 0;
|
|
|
|
#define DEC_MD_PTR(ptr, no_entries) \
|
|
if (--ptr < 0) \
|
|
ptr = NDESC(no_entries) - 1;
|
|
|
|
#define RECV_NEXT (sc->recv_ring->base + sc->recv_next)
|
|
#define TRANS_NEXT (sc->trans_ring->base + sc->trans_next)
|