FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/if_lnc.h

     /*
      * 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_BDP    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
    
    #ifdef PC98
    /* C-NET(98)S port addresses */
    #define CNET98S_RDP    0x400     /* Register Data Port */
    #define CNET98S_RAP    0x402     /* Register Address Port */
    #define CNET98S_RESET  0x404
    #define CNET98S_IDP    0x406
    #define CNET98S_EEPROM 0x40e
    /*
     * XXX - The I/O address range is fragmented in the C-NET(98)S.
     *       This is the number of regs at iobase.
     */
    #define CNET98S_IOSIZE    16     /* # of i/o addresses used. */
    #endif
    
    /* Chip types */
    #define LANCE           1        /* Am7990   */
    #define C_LANCE         2        /* Am79C90  */
    #define PCnet_ISA       3        /* Am79C960 */
    #define PCnet_ISAplus   4        /* Am79C961 */
    #define PCnet_ISA_II    5        /* Am79C961A */
    #define PCnet_32        6        /* Am79C965 */
    #define PCnet_PCI       7        /* Am79C970 */
    #define PCnet_PCI_II    8        /* Am79C970A */
    #define PCnet_FAST      9        /* Am79C971 */
    #define PCnet_FASTplus  10       /* Am79C972 */
    
    /* CSR88-89: Chip ID masks */
    #define AMD_MASK  0x003
    #define PART_MASK 0xffff
    #define Am79C960  0x0003
    #define Am79C961  0x2260
    #define Am79C961A 0x2261
    #define Am79C965  0x2430
    #define Am79C970  0x0242
    #define Am79C970A 0x2621
    #define Am79C971  0x2623
    #define Am79C972  0x2624
    
    /* Board types */
    #define UNKNOWN         0
    #define BICC            1
    #define NE2100          2
    #define DEPCA           3
   #define CNET98S         4       /* PC-98 */
   
   /* mem_mode values */
   #define DMA_FIXED       1
   #define DMA_MBUF        2
   #define SHMEM           4
   
   #define MEM_MODES \
           "\2\3SHMEM\2DMA_MBUF\1DMA_FIXED"
   
   #define CSR0_FLAGS \
           "\2\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\12TINT\11IDON\
               \10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT"
   
   #define INIT_MODE \
           "\2\20PROM\07INTL\06DRTY\05COLL\04DTCR\03LOOP\02DTX\01DRX"
   
   #define RECV_MD1 \
           "\2\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP"
   
   #define TRANS_MD1 \
           "\2\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP"
   
   #define TRANS_MD3 \
           "\2\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)

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