Subversion Repositories openrisc_2011-10-31

/*

 *  $Id: rtems_showifstat.c,v 1.2 2001-09-27 12:02:00 chris Exp $

 */

#include <sys/param.h>

#include <sys/queue.h>

#include <sys/systm.h>

#include <sys/kernel.h>

#include <sys/sysctl.h>

#include <sys/proc.h>

#include <sys/socket.h>

#include <sys/ioctl.h>

#include <net/if.h>

#include <netinet/in.h>

/*

 * Display an address

 */

static int

showaddress (char *name, struct sockaddr *a)

{

        struct sockaddr_in *sa;

        if (!a || (a->sa_family != AF_INET))

                return 0;

        printf ("%s:", name);

        sa = (struct sockaddr_in *)a;

        printf ("%-16s", inet_ntoa (sa->sin_addr));

        return 1;

}

/*

 * Display interface statistics

 */

void

rtems_bsdnet_show_if_stats (void)

{

        struct ifnet *ifp;

        struct ifaddr *ifa;

        unsigned short bit, flags;

        int printed;

        printf ("************ INTERFACE STATISTICS ************\n");

        for (ifp = ifnet; ifp; ifp = ifp->if_next) {

                printf ("***** %s%d *****\n", ifp->if_name, ifp->if_unit);

                for (ifa = ifp->if_addrlist ; ifa ; ifa = ifa->ifa_next) {

                        printed = showaddress ("Address", ifa->ifa_addr);

                        if (ifp->if_flags & IFF_BROADCAST)

                                printed |= showaddress ("Broadcast Address", ifa->ifa_broadaddr);

                        if (ifp->if_flags & IFF_POINTOPOINT)

                                printed |= showaddress ("Destination Address", ifa->ifa_dstaddr);

                        printed |= showaddress ("Net mask", ifa->ifa_netmask);

                        if (printed)

                                printf ("\n");

                }

                printf ("Flags:");

                for (bit = 1, flags = ifp->if_flags ; flags ; bit <<= 1) {

                        char *cp;

                        char xbuf[20];

                        switch (flags & bit) {

                        case 0:                  cp = NULL;              break;

                        case IFF_UP:            cp = "Up";              break;

                        case IFF_BROADCAST:     cp = "Broadcast";       break;

                        case IFF_DEBUG:         cp = "Debug";           break;

                        case IFF_LOOPBACK:      cp = "Loopback";        break;

                        case IFF_POINTOPOINT:   cp = "Point-to-point";  break;

                        case IFF_RUNNING:       cp = "Running";         break;

                        case IFF_NOARP:         cp = "No-ARP";          break;

                        case IFF_PROMISC:       cp = "Promiscuous";     break;

                        case IFF_ALLMULTI:      cp = "All-multicast";   break;

                        case IFF_OACTIVE:       cp = "Active";          break;

                        case IFF_SIMPLEX:       cp = "Simplex";         break;

                        case IFF_LINK0:         cp = "Link0";           break;

                        case IFF_LINK1:         cp = "Link1";           break;

                        case IFF_LINK2:         cp = "Link2";           break;

                        case IFF_MULTICAST:     cp = "Multicast";       break;

                        default: sprintf (xbuf, "%#x", bit); cp = xbuf; break;

                        }

                        if (cp) {

                                flags &= ~bit;

                                printf (" %s", cp);

                        }

                }

                printf ("\n");

                printf ("Send queue limit:%-4d length:%-4d Dropped:%-8d\n",

                                                        ifp->if_snd.ifq_maxlen,

                                                        ifp->if_snd.ifq_len,

                                                        ifp->if_snd.ifq_drops);

                /*

                 * FIXME: Could print if_data statistics here,

                 *        but right now the drivers maintain their

                 *        own statistics.

                 */

                /*

                 * Grab the network semaphore.

                 * In most cases this is not necessary, but it's

                 * easier to always call the driver ioctl function

                 * while holding the semaphore than to try

                 * and explain why some ioctl commands are invoked

                 * while holding the semaphore and others are

                 * invoked while not holding the semaphore.

                 */

                rtems_bsdnet_semaphore_obtain ();

                (*ifp->if_ioctl)(ifp, SIO_RTEMS_SHOW_STATS, NULL);

                rtems_bsdnet_semaphore_release ();

        }

        printf ("\n");

}