Beispiel #1
0
static int rtnet_stats_show(struct xnvfile_regular_iterator *it, void *data)
{
    struct net_device_stats *stats;
    struct rtnet_device *rtdev;

    if (it->pos == 0) {
        xnvfile_printf(it, "Inter-|   Receive                            "
                       "                    |  Transmit\n");
        xnvfile_printf(it, " face |bytes    packets errs drop fifo frame "
                       "compressed multicast|bytes    packets errs "
                       "drop fifo colls carrier compressed\n");
        return 0;
    }

    rtdev = __rtdev_get_by_index(it->pos);
    if (rtdev == NULL)
        return VFILE_SEQ_SKIP;

    if (rtdev->get_stats == NULL) {
        xnvfile_printf(it, "%6s: No statistics available.\n", rtdev->name);
        return 0;
    }

    stats = rtdev->get_stats(rtdev);
    xnvfile_printf(it,
                   "%6s:%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu "
                   "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
                   rtdev->name, stats->rx_bytes, stats->rx_packets,
                   stats->rx_errors,
                   stats->rx_dropped + stats->rx_missed_errors,
                   stats->rx_fifo_errors,
                   stats->rx_length_errors + stats->rx_over_errors +
                   stats->rx_crc_errors + stats->rx_frame_errors,
                   stats->rx_compressed, stats->multicast,
                   stats->tx_bytes, stats->tx_packets,
                   stats->tx_errors, stats->tx_dropped,
                   stats->tx_fifo_errors, stats->collisions,
                   stats->tx_carrier_errors +
                   stats->tx_aborted_errors +
                   stats->tx_window_errors +
                   stats->tx_heartbeat_errors,
                   stats->tx_compressed);
    return 0;
}
Beispiel #2
0
/***
 *  rtdev_get_by_index - find and lock a rtnet_device by its ifindex
 *  @ifindex: index of device
 */
struct rtnet_device *rtdev_get_by_index(int ifindex)
{
    struct rtnet_device *rtdev;
    unsigned long flags;


    if ((ifindex <= 0) || (ifindex > MAX_RT_DEVICES))
        return NULL;

    rtos_spin_lock_irqsave(&rtnet_devices_rt_lock, flags);

    rtdev = __rtdev_get_by_index(ifindex);
    if (rtdev != NULL)
        atomic_inc(&rtdev->refcount);

    rtos_spin_unlock_irqrestore(&rtnet_devices_rt_lock, flags);

    return rtdev;
}
Beispiel #3
0
static int rtnet_devices_show(struct xnvfile_regular_iterator *it, void *data)
{
    struct rtnet_device *rtdev;

    if (data == NULL) {
        xnvfile_printf(it, "Index\tName\t\tFlags\n");
        return 0;
    }

    rtdev = __rtdev_get_by_index(it->pos);
    if (rtdev == NULL)
        return VFILE_SEQ_SKIP;

    xnvfile_printf(it, "%d\t%-15s %s%s%s%s\n",
                   rtdev->ifindex, rtdev->name,
                   (rtdev->flags & IFF_UP) ? "UP" : "DOWN",
                   (rtdev->flags & IFF_BROADCAST) ? " BROADCAST" : "",
                   (rtdev->flags & IFF_LOOPBACK) ? " LOOPBACK" : "",
                   (rtdev->flags & IFF_PROMISC) ? " PROMISC" : "");
    return 0;
}