diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_xmit.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index 67a3978..56f6d5d 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -88,7 +88,14 @@ __ip_vs_dst_check(struct ip_vs_dest *dest, u32 rtos) static inline bool __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu) { - if (skb->len > mtu && !skb_is_gso(skb)) { + if (IP6CB(skb)->frag_max_size) { + /* frag_max_size tell us that, this packet have been + * defragmented by netfilter IPv6 conntrack module. + */ + if (IP6CB(skb)->frag_max_size > mtu) + return true; /* largest fragment violate MTU */ + } + else if (skb->len > mtu && !skb_is_gso(skb)) { return true; /* Packet size violate MTU size */ } return false; |