diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_flow_table_ipv4.c')
| -rw-r--r-- | net/ipv4/netfilter/nf_flow_table_ipv4.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/net/ipv4/netfilter/nf_flow_table_ipv4.c b/net/ipv4/netfilter/nf_flow_table_ipv4.c index 0cd46bffa469..461b1815e633 100644 --- a/net/ipv4/netfilter/nf_flow_table_ipv4.c +++ b/net/ipv4/netfilter/nf_flow_table_ipv4.c @@ -178,7 +178,7 @@ static int nf_flow_tuple_ip(struct sk_buff *skb, const struct net_device *dev, } /* Based on ip_exceeds_mtu(). */ -static bool __nf_flow_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) +static bool nf_flow_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) { if (skb->len <= mtu) return false; @@ -192,17 +192,6 @@ static bool __nf_flow_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) return true; } -static bool nf_flow_exceeds_mtu(struct sk_buff *skb, const struct rtable *rt) -{ - u32 mtu; - - mtu = ip_dst_mtu_maybe_forward(&rt->dst, true); - if (__nf_flow_exceeds_mtu(skb, mtu)) - return true; - - return false; -} - unsigned int nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb, const struct nf_hook_state *state) @@ -233,9 +222,9 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb, dir = tuplehash->tuple.dir; flow = container_of(tuplehash, struct flow_offload, tuplehash[dir]); - rt = (const struct rtable *)flow->tuplehash[dir].tuple.dst_cache; - if (unlikely(nf_flow_exceeds_mtu(skb, rt))) + + if (unlikely(nf_flow_exceeds_mtu(skb, flow->tuplehash[dir].tuple.mtu))) return NF_ACCEPT; if (skb_try_make_writable(skb, sizeof(*iph))) |