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-rw-r--r--net/bridge/br_netfilter.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 0ee453fad3de..f371cbff6d45 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -651,6 +651,13 @@ static int br_nf_forward_finish(struct sk_buff *skb)
struct net_device *in;
if (!IS_ARP(skb) && !IS_VLAN_ARP(skb)) {
+ int frag_max_size;
+
+ if (skb->protocol == htons(ETH_P_IP)) {
+ frag_max_size = IPCB(skb)->frag_max_size;
+ BR_INPUT_SKB_CB(skb)->frag_max_size = frag_max_size;
+ }
+
in = nf_bridge->physindev;
if (nf_bridge->mask & BRNF_PKT_TYPE) {
skb->pkt_type = PACKET_OTHERHOST;
@@ -710,8 +717,14 @@ static unsigned int br_nf_forward_ip(const struct nf_hook_ops *ops,
nf_bridge->mask |= BRNF_PKT_TYPE;
}
- if (pf == NFPROTO_IPV4 && br_parse_ip_options(skb))
- return NF_DROP;
+ if (pf == NFPROTO_IPV4) {
+ int frag_max = BR_INPUT_SKB_CB(skb)->frag_max_size;
+
+ if (br_parse_ip_options(skb))
+ return NF_DROP;
+
+ IPCB(skb)->frag_max_size = frag_max;
+ }
/* The physdev module checks on this */
nf_bridge->mask |= BRNF_BRIDGED;