Add route() function to display routing table.

src/include/gpxe/ip.h

@@ -9,6 +9,7 @@
 
 #include <ip.h>
 #include <gpxe/retry.h>
+#include <gpxe/hotplug.h>
 
 /* IP constants */
 
@@ -36,6 +37,24 @@ struct ipv4_pseudo_header {
 	uint16_t len;
 };
 
+/** An IPv4 address/routing table entry */
+struct ipv4_miniroute {
+	/** List of miniroutes */
+	struct list_head list;
+
+	/** Network device */
+	struct net_device *netdev;
+	/** Reference to network device */
+	struct reference netdev_ref;
+
+	/** IPv4 address */
+	struct in_addr address;
+	/** Subnet mask */
+	struct in_addr netmask;
+	/** Gateway address */
+	struct in_addr gateway;
+};
+
 /* Fragment reassembly buffer */
 struct frag_buffer {
 	/* Identification number */
@@ -57,6 +76,8 @@ struct net_device;
 struct net_protocol;
 struct tcpip_protocol;
 
+extern struct list_head ipv4_miniroutes;
+
 extern struct net_protocol ipv4_protocol;
 
 extern int add_ipv4_address ( struct net_device *netdev,

src/include/usr/route.h

@@ -0,0 +1,12 @@
+#ifndef _USR_ROUTE_H
+#define _USR_ROUTE_H
+
+/** @file
+ *
+ * Routing table management
+ *
+ */
+
+extern void route ( void );
+
+#endif /* _USR_ROUTE_H */

src/net/ipv4.c

@@ -17,11 +17,6 @@
  *
  * IPv4 protocol
  *
- * The gPXE IP stack is currently implemented on top of the uIP
- * protocol stack.  This file provides wrappers around uIP so that
- * higher-level protocol implementations do not need to talk directly
- * to uIP (which has a somewhat baroque API).
- *
  */
 
 /* Unique IP datagram identification number */
@@ -29,26 +24,8 @@ static uint16_t next_ident = 0;
 
 struct net_protocol ipv4_protocol;
 
-/** An IPv4 address/routing table entry */
-struct ipv4_miniroute {
-	/** List of miniroutes */
-	struct list_head list;
-
-	/** Network device */
-	struct net_device *netdev;
-	/** Reference to network device */
-	struct reference netdev_ref;
-
-	/** IPv4 address */
-	struct in_addr address;
-	/** Subnet mask */
-	struct in_addr netmask;
-	/** Gateway address */
-	struct in_addr gateway;
-};
-
 /** List of IPv4 miniroutes */
-static LIST_HEAD ( miniroutes );
+struct list_head ipv4_miniroutes = LIST_HEAD_INIT ( ipv4_miniroutes );
 
 /** List of fragment reassembly buffers */
 static LIST_HEAD ( frag_buffers );
@@ -90,9 +67,9 @@ static struct ipv4_miniroute * add_ipv4_miniroute ( struct net_device *netdev,
 		 * to start of list.
 		 */
 		if ( gateway.s_addr != INADDR_NONE ) {
-			list_add_tail ( &miniroute->list, &miniroutes );
+			list_add_tail ( &miniroute->list, &ipv4_miniroutes );
 		} else {
-			list_add ( &miniroute->list, &miniroutes );
+			list_add ( &miniroute->list, &ipv4_miniroutes );
 		}
 
 		/* Record reference to net_device */
@@ -166,7 +143,7 @@ int add_ipv4_address ( struct net_device *netdev, struct in_addr address,
 void del_ipv4_address ( struct net_device *netdev ) {
 	struct ipv4_miniroute *miniroute;
 
-	list_for_each_entry ( miniroute, &miniroutes, list ) {
+	list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
 		if ( miniroute->netdev == netdev ) {
 			del_ipv4_miniroute ( miniroute );
 			break;
@@ -186,7 +163,7 @@ static struct ipv4_miniroute * ipv4_route ( struct in_addr *dest ) {
 	int local;
 	int has_gw;
 
-	list_for_each_entry ( miniroute, &miniroutes, list ) {
+	list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
 		local = ( ( ( dest->s_addr ^ miniroute->address.s_addr )
 			    & miniroute->netmask.s_addr ) == 0 );
 		has_gw = ( miniroute->gateway.s_addr != INADDR_NONE );
@@ -547,7 +524,7 @@ static int ipv4_arp_check ( struct net_device *netdev, const void *net_addr ) {
 	const struct in_addr *address = net_addr;
 	struct ipv4_miniroute *miniroute;
 
-	list_for_each_entry ( miniroute, &miniroutes, list ) {
+	list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
 		if ( ( miniroute->netdev == netdev ) &&
 		     ( miniroute->address.s_addr == address->s_addr ) ) {
 			/* Found matching address */

src/tests/dhcptest.c

@@ -236,10 +236,6 @@ int test_dhcp ( struct net_device *netdev ) {
 	find_global_dhcp_ipv4_option ( DHCP_SUBNET_MASK, &netmask );
 	find_global_dhcp_ipv4_option ( DHCP_ROUTERS, &gateway );
 
-	printf ( "IP %s", inet_ntoa ( address ) );
-	printf ( " netmask %s", inet_ntoa ( netmask ) );
-	printf ( " gateway %s\n", inet_ntoa ( gateway ) );
-
 	dhcp_snprintf ( filename, sizeof ( filename ),
 			find_global_dhcp_option ( DHCP_BOOTFILE_NAME ) );
 	
@@ -251,6 +247,8 @@ int test_dhcp ( struct net_device *netdev ) {
 				       gateway ) ) != 0 )
 		goto out_no_del_ipv4;
 
+	route();
+
 	/* Test boot */
 	if ( ( rc = test_dhcp_boot ( netdev, filename ) ) != 0 ) {
 		printf ( "Boot failed\n" );

src/usr/autoboot.c

@@ -21,6 +21,7 @@
 #include <vsprintf.h>
 #include <gpxe/netdevice.h>
 #include <usr/ifmgmt.h>
+#include <usr/route.h>
 #include <usr/autoboot.h>
 
 /** @file
@@ -81,6 +82,8 @@ void netboot ( struct net_device *netdev ) {
 	ifstat ( netdev );
 
 	test_dhcp ( netdev );
+
+	route();
 }
 
 /**

src/usr/route.c

@@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+
+#include <vsprintf.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/ip.h>
+#include <usr/route.h>
+
+/** @file
+ *
+ * Routing table management
+ *
+ */
+
+void route ( void ) {
+	struct ipv4_miniroute *miniroute;
+
+	list_for_each_entry ( miniroute, &ipv4_miniroutes, list ) {
+		printf ( "%s: %s/", miniroute->netdev->name,
+			 inet_ntoa ( miniroute->address ) );
+		printf ( "%s", inet_ntoa ( miniroute->netmask ) );
+		if ( miniroute->gateway.s_addr != INADDR_NONE )
+			printf ( " gw %s", inet_ntoa ( miniroute->gateway ) );
+		printf ( "\n" );
+	}
+}