// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <string.h>

#include <ynl.h>

#include <net/if.h>

#include "ethtool-user.h"

int main(int argc, char **argv)
{
        struct ethtool_channels_get_req_dump creq = {};
        struct ethtool_rings_get_req_dump rreq = {};
        struct ethtool_channels_get_list *channels;
        struct ethtool_rings_get_list *rings;
        struct ynl_sock *ys;

        ys = ynl_sock_create(&ynl_ethtool_family, NULL);
        if (!ys)
                return 1;

        creq._present.header = 1; /* ethtool needs an empty nest, sigh */
        channels = ethtool_channels_get_dump(ys, &creq);
        if (!channels)
                goto err_close;

        printf("Channels:\n");
        ynl_dump_foreach(channels, dev) {
                printf("  %8s: ", dev->header.dev_name);
                if (dev->_present.rx_count)
                        printf("rx %d ", dev->rx_count);
                if (dev->_present.tx_count)
                        printf("tx %d ", dev->tx_count);
                if (dev->_present.combined_count)
                        printf("combined %d ", dev->combined_count);
                printf("\n");
        }
        ethtool_channels_get_list_free(channels);

        rreq._present.header = 1; /* ethtool needs an empty nest.. */
        rings = ethtool_rings_get_dump(ys, &rreq);
        if (!rings)
                goto err_close;

        printf("Rings:\n");
        ynl_dump_foreach(rings, dev) {
                printf("  %8s: ", dev->header.dev_name);
                if (dev->_present.rx)
                        printf("rx %d ", dev->rx);
                if (dev->_present.tx)
                        printf("tx %d ", dev->tx);
                printf("\n");
        }
        ethtool_rings_get_list_free(rings);

        ynl_sock_destroy(ys);

        return 0;

err_close:
        fprintf(stderr, "YNL (%d): %s\n", ys->err.code, ys->err.msg);
        ynl_sock_destroy(ys);
        return 2;
}