diff options
| author | Florian Westphal <fw@strlen.de> | 2021-04-19 18:16:49 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-04-26 03:20:07 +0200 |
| commit | 885e8c68247cc2a9f1761a3d66fd274247a0faaf (patch) | |
| tree | 0312746c39958fb043830db4c68b970a45857edd /net/netfilter/nf_nat_core.c | |
| parent | b2f0ca00e6b34bd57c9298a869ea133699e8ec39 (diff) | |
netfilter: nat: move nf_xfrm_me_harder to where it is used
remove the export and make it static.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/nf_nat_core.c')
| -rw-r--r-- | net/netfilter/nf_nat_core.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index b7c3c902290f..7de595ead06a 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -146,43 +146,6 @@ static void __nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl) return; } } - -int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family) -{ - struct flowi fl; - unsigned int hh_len; - struct dst_entry *dst; - struct sock *sk = skb->sk; - int err; - - err = xfrm_decode_session(skb, &fl, family); - if (err < 0) - return err; - - dst = skb_dst(skb); - if (dst->xfrm) - dst = ((struct xfrm_dst *)dst)->route; - if (!dst_hold_safe(dst)) - return -EHOSTUNREACH; - - if (sk && !net_eq(net, sock_net(sk))) - sk = NULL; - - dst = xfrm_lookup(net, dst, &fl, sk, 0); - if (IS_ERR(dst)) - return PTR_ERR(dst); - - skb_dst_drop(skb); - skb_dst_set(skb, dst); - - /* Change in oif may mean change in hh_len. */ - hh_len = skb_dst(skb)->dev->hard_header_len; - if (skb_headroom(skb) < hh_len && - pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC)) - return -ENOMEM; - return 0; -} -EXPORT_SYMBOL(nf_xfrm_me_harder); #endif /* CONFIG_XFRM */ /* We keep an extra hash for each conntrack, for fast searching. */ |