diff options
Diffstat (limited to 'rtems/rtems_showifstat.c')
-rw-r--r-- | rtems/rtems_showifstat.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/rtems/rtems_showifstat.c b/rtems/rtems_showifstat.c new file mode 100644 index 0000000..21f21f4 --- /dev/null +++ b/rtems/rtems_showifstat.c @@ -0,0 +1,157 @@ +#include <machine/rtems-bsd-kernel-space.h> + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#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/sockio.h> +#include <sys/mbuf.h> +#include <net/if.h> +#include <net/if_var.h> +#include <net/if_dl.h> +#include <net/if_types.h> +#include <netinet/in.h> + +#include <rtems/rtems_bsdnet.h> + +/* + * Display an address + */ +static int +showaddress (char *name, struct sockaddr *a) +{ + struct sockaddr_in *sa; + char buf[17]; + + if (!a) + return 0; + printf ("%s:", name); + sa = (struct sockaddr_in *)a; + printf ("%-16s", inet_ntop (AF_INET, &sa->sin_addr, buf, sizeof(buf))); + return 1; +} + +/* + * Display interface statistics + */ +void +rtems_bsdnet_show_if_stats (void) +{ + struct ifnet *ifp; + struct ifaddr *ifa; + unsigned short bit, flags; + + 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) { + + if ( !ifa->ifa_addr ) + continue; + + switch ( ifa->ifa_addr->sa_family ) { + case AF_LINK: + { + struct sockaddr_dl *sdl = (struct sockaddr_dl *)ifa->ifa_addr; + unsigned char *cp = (unsigned char *)LLADDR(sdl); + int i; + + switch ( sdl->sdl_type ) { + case IFT_ETHER: + if ( (i=sdl->sdl_alen) > 0 ) { + printf("Ethernet Address: "); + do { + i--; + printf("%02X%c", *cp++, i ? ':' : '\n'); + } while ( i>0 ); + } + break; + + default: + break; + } + } + break; + + case AF_INET: + { + int printed; + 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"); + } + break; + + default: + break; + } + } + + 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"); +} |