/*
 * $DragonFly: src/tools/tools/ifinfo/rfc1650.c,v 1.2 2003/11/07 14:38:38 eirikn Exp $
 */

#include <sys/types.h>
#include <sys/socket.h>         /* for PF_LINK */
#include <sys/sysctl.h>
#include <sys/time.h>

#include <err.h>
#include <stdio.h>
#include <string.h>
#include <sysexits.h>

#include <net/if.h>
#include <net/if_types.h>
#include <net/if_mib.h>

#include "ifinfo.h"

#define print(msg, var) \
        if (var) printf("\t" msg ": %lu\n", (u_long)var)

static void identify_chipset(u_int32_t chipset);

void
print_1650(const void *xmd, size_t len)
{
        const struct ifmib_iso_8802_3 *md = xmd;

        if (len != sizeof *md)
                warnx("cannot interpret %lu bytes of MIB data", (u_long)len);

        identify_chipset(md->dot3StatsEtherChipSet);
        print("Alignment errors", md->dot3StatsAlignmentErrors);
        print("FCS errors", md->dot3StatsFCSErrors);
        print("Single-collision frames", md->dot3StatsSingleCollisionFrames);
        print("Multiple-collision frames", md->dot3StatsMultipleCollisionFrames);
        print("SQE (Heartbeat) test errors", md->dot3StatsSQETestErrors);
        print("Deferred transmissions", md->dot3StatsDeferredTransmissions);
        print("Late collisions", md->dot3StatsLateCollisions);
        print("Excessive collisions", md->dot3StatsExcessiveCollisions);
        print("Internal transmit errors", md->dot3StatsInternalMacTransmitErrors);
        print("Carrier sense errors", md->dot3StatsCarrierSenseErrors);
        print("Frame-too-long errors", md->dot3StatsFrameTooLongs);
        print("Internal receive errors", md->dot3StatsInternalMacReceiveErrors);
        print("Missed frames", md->dot3StatsMissedFrames);
#define cprint(num) print("Packets with " #num " collisions", \
                          md->dot3StatsCollFrequencies[num - 1])
        if (md->dot3Compliance >= DOT3COMPLIANCE_COLLS) {
                cprint(1); cprint(2); cprint(3); cprint(4);
                cprint(5); cprint(6); cprint(7); cprint(8);
                cprint(9); cprint(10); cprint(11); cprint(12);
                cprint(13); cprint(14); cprint(15); cprint(16);
        }
        switch(md->dot3Compliance) {
        case DOT3COMPLIANCE_STATS:
                printf("\tCompliance: statistics only\n");
                break;
        case DOT3COMPLIANCE_COLLS:
                printf("\tCompliance: statistics and collisions\n");
                break;
        }
}

static const char *const amd[] = {
        0, "Am7990", "Am79900", "Am79C940"
};

static const char *const intel[] = {
        0, "82586", "82596", "82557"
};

static const char *const national[] = {
        0, "8390", "Sonic"
};

static const char *const fujitsu[] = {
        0, "86950"
};

static const char *const digital[] = {
        0, "DC21040", "DC21140", "DC21041", "DC21140A", "DC21142"
};

static const char *const westerndigital[] = {
        0, "83C690", "83C790"
};

#define vendor(name, sets) { name, sets, (sizeof sets)/(sizeof sets[0]) }
static struct {
        const char *name;
        const char *const *chips;
        size_t len;
} chipset_names[] = {
        { 0 },
        vendor("AMD", amd),
        vendor("Intel", intel),
        { 0 },
        vendor("National Semiconductor", national),
        vendor("Fujitsu", fujitsu),
        vendor("Digital", digital),
        vendor("Western Digital", westerndigital)
};

static void
identify_chipset(u_int32_t chipset)
{
        enum dot3Vendors vendor = DOT3CHIPSET_VENDOR(chipset);
        u_int part = DOT3CHIPSET_PART(chipset);

        printf("\tChipset: ");
        if (vendor < 1 
            || vendor >= (sizeof chipset_names)/(sizeof chipset_names[0])
            || !chipset_names[vendor].name) {
                printf("unknown\n");
                return;
        }

        printf("%s ", chipset_names[vendor].name);
        if (part < 1 || part >= chipset_names[vendor].len) {
                printf("unknown\n");
                return;
        }

        printf("%s\n", chipset_names[vendor].chips[part]);
}