1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/usr/ifmgmt.c b/contrib/syslinux-4.02/gpxe/src/usr/ifmgmt.c
new file mode 100644
index 0000000..d4cc5a5
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/usr/ifmgmt.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <console.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/device.h>
+#include <gpxe/process.h>
+#include <gpxe/keys.h>
+#include <usr/ifmgmt.h>
+
+/** @file
+ *
+ * Network interface management
+ *
+ */
+
+/**
+ * Open network device
+ *
+ * @v netdev		Network device
+ * @ret rc		Return status code
+ */
+int ifopen ( struct net_device *netdev ) {
+	int rc;
+
+	if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
+		printf ( "Could not open %s: %s\n",
+			 netdev->name, strerror ( rc ) );
+		return rc;
+	}
+
+	return 0;
+}
+
+/**
+ * Close network device
+ *
+ * @v netdev		Network device
+ */
+void ifclose ( struct net_device *netdev ) {
+	netdev_close ( netdev );
+}
+
+/**
+ * Print network device error breakdown
+ *
+ * @v stats		Network device statistics
+ * @v prefix		Message prefix
+ */
+static void ifstat_errors ( struct net_device_stats *stats,
+			    const char *prefix ) {
+	unsigned int i;
+
+	for ( i = 0 ; i < ( sizeof ( stats->errors ) /
+			    sizeof ( stats->errors[0] ) ) ; i++ ) {
+		if ( stats->errors[i].count )
+			printf ( "  [%s: %d x \"%s\"]\n", prefix,
+				 stats->errors[i].count,
+				 strerror ( stats->errors[i].rc ) );
+	}
+}
+
+/**
+ * Print status of network device
+ *
+ * @v netdev		Network device
+ */
+void ifstat ( struct net_device *netdev ) {
+	printf ( "%s: %s on %s (%s)\n"
+		 "  [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n",
+		 netdev->name, netdev_addr ( netdev ), netdev->dev->name,
+		 ( ( netdev->state & NETDEV_OPEN ) ? "open" : "closed" ),
+		 ( netdev_link_ok ( netdev ) ? "up" : "down" ),
+		 netdev->tx_stats.good, netdev->tx_stats.bad,
+		 netdev->rx_stats.good, netdev->rx_stats.bad );
+	if ( ! netdev_link_ok ( netdev ) ) {
+		printf ( "  [Link status: %s]\n",
+			 strerror ( netdev->link_rc ) );
+	}
+	ifstat_errors ( &netdev->tx_stats, "TXE" );
+	ifstat_errors ( &netdev->rx_stats, "RXE" );
+}
+
+/**
+ * Wait for link-up, with status indication
+ *
+ * @v netdev		Network device
+ * @v max_wait_ms	Maximum time to wait, in ms
+ */
+int iflinkwait ( struct net_device *netdev, unsigned int max_wait_ms ) {
+	int key;
+	int rc;
+
+	if ( netdev_link_ok ( netdev ) )
+		return 0;
+
+	printf ( "Waiting for link-up on %s...", netdev->name );
+
+	while ( 1 ) {
+		if ( netdev_link_ok ( netdev ) ) {
+			rc = 0;
+			break;
+		}
+		if ( max_wait_ms-- == 0 ) {
+			rc = netdev->link_rc;
+			break;
+		}
+		step();
+		if ( iskey() ) {
+			key = getchar();
+			if ( key == CTRL_C ) {
+				rc = -ECANCELED;
+				break;
+			}
+		}
+		mdelay ( 1 );
+	}
+
+	if ( rc == 0 ) {
+		printf ( " ok\n" );
+	} else {
+		printf ( " failed: %s\n", strerror ( rc ) );
+	}
+
+	return rc;
+}