/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright (c) 2017, Joyent, Inc.
 */

/*
 * Print and tests SFF BR values.
 */

#include <stdio.h>
#include <errno.h>
#include <strings.h>
#include <err.h>
#include <libsff.h>

/*
 * Pick up private sff header file with offsets from lib/libsff.
 */
#include "sff.h"

int
main(void)
{
        int ret;
        uint8_t buf[256];
        nvlist_t *nvl;
        char *val;

        /*
         * SFF 8472 has two different modes of printing the bit rate. It has a
         * nominal bit rate and then if 0xff is in that field it has a max and
         * min.
         */
        bzero(buf, sizeof (buf));
        buf[SFF_8472_BR_NOMINAL] = 0x42;

        if ((ret = libsff_parse(buf, sizeof (buf), 0xa0, &nvl)) != 0) {
                errx(1, "TEST FAILED: failed to parse SFP compliance "
                    "values: %s\n", strerror(ret));
        }

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_NOMINAL, &val)) !=
            0) {
                errc(1, ret, "TEST FAILED: failed to find %s",
                    LIBSFF_KEY_BR_NOMINAL);
        }
        (void) printf("nominal: %s\n", val);

        /*
         * Make sure min, max are missing.
         */
        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_MIN, &val)) !=
            ENOENT) {
                errc(1, ret, "TEST FAILED: found unexpected return value for "
                    "key %s: %d", LIBSFF_KEY_BR_MIN, ret);
        }

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_MAX, &val)) !=
            ENOENT) {
                errx(1, "TEST FAILED: found unexpected return value for key "
                    "%s: %d", LIBSFF_KEY_BR_MAX, ret);
        }
        nvlist_free(nvl);

        /*
         * Now the opposite.
         */
        buf[SFF_8472_BR_NOMINAL] = 0xff;
        buf[SFF_8472_BR_MAX] = 0x50;
        buf[SFF_8472_BR_MIN] = 0x10;

        if ((ret = libsff_parse(buf, sizeof (buf), 0xa0, &nvl)) != 0) {
                errc(1, ret, "TEST FAILED: failed to parse SFP compliance "
                    "values");
        }

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_MAX, &val)) != 0) {
                errc(1, ret, "TEST FAILED: failed to find %s",
                    LIBSFF_KEY_BR_MAX);
        }
        (void) printf("max: %s\n", val);

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_MIN, &val)) != 0) {
                errc(1, ret, "TEST FAILED: failed to find %s",
                    LIBSFF_KEY_BR_MIN);
        }
        (void) printf("min: %s\n", val);

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_NOMINAL, &val)) !=
            ENOENT) {
                errx(1, "TEST FALIED: found unexpected return value for key "
                    "%s: %d\n", LIBSFF_KEY_BR_NOMINAL, ret);
        }
        nvlist_free(nvl);

        /*
         * Now for QSFP+
         */
        (void) puts("\n\nQSFP\n");
        bzero(buf, sizeof (buf));
        buf[SFF_8472_IDENTIFIER] = SFF_8024_ID_QSFP;
        buf[SFF_8636_BR_NOMINAL] = 0x42;

        if ((ret = libsff_parse(buf, sizeof (buf), 0xa0, &nvl)) != 0) {
                errc(1, ret, "TEST FAILED: failed to parse QSFP BR "
                    "values");
        }

        if ((ret = nvlist_lookup_string(nvl, LIBSFF_KEY_BR_NOMINAL,
            &val)) != 0) {
                errc(1, ret, "TEST FAILED: failed to find %s",
                    LIBSFF_KEY_BR_NOMINAL);
        }
        (void) printf("nominal: %s\n", val);

        nvlist_free(nvl);

        return (0);
}