From 39e6e65a2c5a3312f365d59f23c469641e049c82 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Wed, 19 Aug 1998 21:32:28 +0000
Subject: Base files

---
 c/src/libnetworking/rtems/rtems_showifstat.c | 106 +++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 c/src/libnetworking/rtems/rtems_showifstat.c

(limited to 'c/src/libnetworking/rtems/rtems_showifstat.c')

diff --git a/c/src/libnetworking/rtems/rtems_showifstat.c b/c/src/libnetworking/rtems/rtems_showifstat.c
new file mode 100644
index 0000000000..b9a264fb34
--- /dev/null
+++ b/c/src/libnetworking/rtems/rtems_showifstat.c
@@ -0,0 +1,106 @@
+#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 int 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;
+			switch (flags & bit) {
+			default:		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;
+			}
+			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");
+}
-- 
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