Attachment 315911 Details for Bug 458270 – additional debug patch

[patch] additional debug patch

debug.patch (text/plain), 1.60 KB, created by Neil Horman on 2008-09-05 15:20:19 UTC

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Creator: Neil Horman

Created: 2008-09-05 15:20:19 UTC

Size: 1.60 KB

patch

obsolete

>diff -up linux-2.6.18.noarch/net/ipv6/addrconf.c.orig linux-2.6.18.noarch/net/ipv6/addrconf.c
>--- linux-2.6.18.noarch/net/ipv6/addrconf.c.orig	2008-09-05 11:01:47.000000000 -0400
>+++ linux-2.6.18.noarch/net/ipv6/addrconf.c	2008-09-05 11:14:50.000000000 -0400
>@@ -1360,8 +1360,16 @@ void addrconf_dad_failure(struct inet6_i
> 	struct inet6_dev *idev = ifp->idev;
> 	struct net_device_extended *ext;
> 
>+	printk(KERN_CRIT "IN ADDRCONF_DAD_FAILURE FOR DEV %s\n", ifp->idev->dev->name);
>+	printk(KERN_CRIT "dev_extended returns %p\n", dev_extended(idev->dev));
>+
> 	ext = (idev->dev == NULL) ? NULL : dev_extended(idev->dev);
> 
>+	printk(KERN_CRIT "ext is %p\n", ext);
>+	if (ext) {
>+		printk(KERN_CRIT "accept dad is %d\n", ext->ipv6_devconf_ext.accept_dad);
>+		printk(KERN_CRIT "disable_ipv6 is %d\n", ext->ipv6_devconf_ext.disable_ipv6);
>+	}
> 	if (ext && ext->ipv6_devconf_ext.accept_dad > 1 && 
> 	    !ext->ipv6_devconf_ext.disable_ipv6) {
> 		struct in6_addr addr;
>@@ -1372,7 +1380,19 @@ void addrconf_dad_failure(struct inet6_i
> 		if (!ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) &&
> 		    ipv6_addr_equal(&ifp->addr, &addr)) {
> 			/* DAD failed for link-local based on MAC address */
>+			printk(KERN_CRIT "Address is link-local!  Disabling IPV6\n");
> 			ext->ipv6_devconf_ext.disable_ipv6 = 1;
>+		} else {
>+			int i;
>+			printk(KERN_CRIT "Addresses is not link local!\n");
>+			printk(KERN_CRIT "Computed address:\n");
>+			for (i=0;i<4;i++) {
>+				printk(KERN_CRIT "%x\n",addr.s6_addr32[i]);
>+			}
>+			printk(KERN_CRIT "Device address:\n");
>+			for (i=0;i<4;i++) {
>+				printk(KERN_CRIT "%x\n",ifp->addr.s6_addr32[i]);
>+			}
> 		}
> 	}
>

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Attachments on bug 458270: 315397 | 315538 | 315911 | 316111