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/*
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* $Id: rtems_showifstat.c,v 1.2 2001-09-27 12:02:00 chris Exp $
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*/
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <sys/proc.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <netinet/in.h>
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/*
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* Display an address
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*/
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static int
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showaddress (char *name, struct sockaddr *a)
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{
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struct sockaddr_in *sa;
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if (!a || (a->sa_family != AF_INET))
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return 0;
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printf ("%s:", name);
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sa = (struct sockaddr_in *)a;
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printf ("%-16s", inet_ntoa (sa->sin_addr));
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return 1;
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}
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/*
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* Display interface statistics
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*/
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void
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rtems_bsdnet_show_if_stats (void)
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{
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struct ifnet *ifp;
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struct ifaddr *ifa;
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unsigned short bit, flags;
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int printed;
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printf ("************ INTERFACE STATISTICS ************\n");
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for (ifp = ifnet; ifp; ifp = ifp->if_next) {
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printf ("***** %s%d *****\n", ifp->if_name, ifp->if_unit);
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for (ifa = ifp->if_addrlist ; ifa ; ifa = ifa->ifa_next) {
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printed = showaddress ("Address", ifa->ifa_addr);
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if (ifp->if_flags & IFF_BROADCAST)
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printed |= showaddress ("Broadcast Address", ifa->ifa_broadaddr);
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if (ifp->if_flags & IFF_POINTOPOINT)
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printed |= showaddress ("Destination Address", ifa->ifa_dstaddr);
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printed |= showaddress ("Net mask", ifa->ifa_netmask);
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if (printed)
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printf ("\n");
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}
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printf ("Flags:");
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for (bit = 1, flags = ifp->if_flags ; flags ; bit <<= 1) {
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char *cp;
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char xbuf[20];
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switch (flags & bit) {
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case 0: cp = NULL; break;
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case IFF_UP: cp = "Up"; break;
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case IFF_BROADCAST: cp = "Broadcast"; break;
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case IFF_DEBUG: cp = "Debug"; break;
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case IFF_LOOPBACK: cp = "Loopback"; break;
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case IFF_POINTOPOINT: cp = "Point-to-point"; break;
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case IFF_RUNNING: cp = "Running"; break;
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case IFF_NOARP: cp = "No-ARP"; break;
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case IFF_PROMISC: cp = "Promiscuous"; break;
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case IFF_ALLMULTI: cp = "All-multicast"; break;
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case IFF_OACTIVE: cp = "Active"; break;
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case IFF_SIMPLEX: cp = "Simplex"; break;
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case IFF_LINK0: cp = "Link0"; break;
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case IFF_LINK1: cp = "Link1"; break;
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case IFF_LINK2: cp = "Link2"; break;
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case IFF_MULTICAST: cp = "Multicast"; break;
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default: sprintf (xbuf, "%#x", bit); cp = xbuf; break;
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}
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if (cp) {
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flags &= ~bit;
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printf (" %s", cp);
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}
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}
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printf ("\n");
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printf ("Send queue limit:%-4d length:%-4d Dropped:%-8d\n",
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ifp->if_snd.ifq_maxlen,
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ifp->if_snd.ifq_len,
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ifp->if_snd.ifq_drops);
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/*
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* FIXME: Could print if_data statistics here,
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* but right now the drivers maintain their
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* own statistics.
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*/
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/*
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* Grab the network semaphore.
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* In most cases this is not necessary, but it's
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* easier to always call the driver ioctl function
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* while holding the semaphore than to try
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* and explain why some ioctl commands are invoked
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* while holding the semaphore and others are
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* invoked while not holding the semaphore.
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*/
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rtems_bsdnet_semaphore_obtain ();
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(*ifp->if_ioctl)(ifp, SIO_RTEMS_SHOW_STATS, NULL);
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rtems_bsdnet_semaphore_release ();
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}
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printf ("\n");
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}
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