URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [rtems-20020807/] [cpukit/] [libnetworking/] [rtems/] [rtems_showifstat.c] - Rev 1765
Compare with Previous | Blame | View Log
/* * rtems_showifstat.c,v 1.3 1999/10/04 13:51:22 joel 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"); }