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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-03 05:09:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-03 05:09:08 +0100
commit13df7977431e3b906a23bb75f29e0f40a8d73f87 (patch)
treebc2c78c3b816a65f90c31cccebdc15b38352c045 /net/ipv6
parentkernfs: remove duplicate dir.c at the top dir (diff)
parentLinux 3.14-rc5 (diff)
downloadlinux-13df7977431e3b906a23bb75f29e0f40a8d73f87.tar.xz
linux-13df7977431e3b906a23bb75f29e0f40a8d73f87.zip
Merge 3.14-rc5 into driver-core-next
We want the fixes in here.
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/ip6_output.c17
2 files changed, 17 insertions, 2 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ad235690684c..fdbfeca36d63 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2783,6 +2783,8 @@ static void addrconf_gre_config(struct net_device *dev)
ipv6_addr_set(&addr, htonl(0xFE800000), 0, 0, 0);
if (!ipv6_generate_eui64(addr.s6_addr + 8, dev))
addrconf_add_linklocal(idev, &addr);
+ else
+ addrconf_prefix_route(&addr, 64, dev, 0, 0);
}
#endif
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index ef02b26ccf81..070a2fae2375 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -342,6 +342,20 @@ static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
return mtu;
}
+static bool ip6_pkt_too_big(const struct sk_buff *skb, unsigned int mtu)
+{
+ if (skb->len <= mtu || skb->local_df)
+ return false;
+
+ if (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu)
+ return true;
+
+ if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
+ return false;
+
+ return true;
+}
+
int ip6_forward(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
@@ -466,8 +480,7 @@ int ip6_forward(struct sk_buff *skb)
if (mtu < IPV6_MIN_MTU)
mtu = IPV6_MIN_MTU;
- if ((!skb->local_df && skb->len > mtu && !skb_is_gso(skb)) ||
- (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu)) {
+ if (ip6_pkt_too_big(skb, mtu)) {
/* Again, force OUTPUT device used as source address */
skb->dev = dst->dev;
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);