4 files changed, 40 insertions, 10 deletions

diff --git a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
index f0ec31933c15..490bfd3c9162 100644
--- a/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_l3proto_ipv6.c
@@ -17,6 +17,7 @@
 #include <net/checksum.h>
 #include <net/ip6_checksum.h>
 #include <net/ip6_route.h>
+#include <net/xfrm.h>
 #include <net/ipv6.h>
 
 #include <net/netfilter/nf_conntrack_core.h>
@@ -318,6 +319,20 @@ nf_nat_ipv6_out(void *priv, struct sk_buff *skb,
 	return ret;
 }
 
+static int nat_route_me_harder(struct net *net, struct sk_buff *skb)
+{
+#ifdef CONFIG_IPV6_MODULE
+	const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
+
+	if (!v6_ops)
+		return -EHOSTUNREACH;
+
+	return v6_ops->route_me_harder(net, skb);
+#else
+	return ip6_route_me_harder(net, skb);
+#endif
+}
+
 static unsigned int
 nf_nat_ipv6_local_fn(void *priv, struct sk_buff *skb,
 		     const struct nf_hook_state *state)
@@ -334,7 +349,7 @@ nf_nat_ipv6_local_fn(void *priv, struct sk_buff *skb,
 
 		if (!nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3,
 				      &ct->tuplehash[!dir].tuple.src.u3)) {
-			err = ip6_route_me_harder(state->net, skb);
+			err = nat_route_me_harder(state->net, skb);
 			if (err < 0)
 				ret = NF_DROP_ERR(err);
 		}
diff --git a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
index 0ad0da5a2600..fd313b726263 100644
--- a/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
+++ b/net/ipv6/netfilter/nf_nat_masquerade_ipv6.c
@@ -24,6 +24,23 @@
 
 static atomic_t v6_worker_count;
 
+static int
+nat_ipv6_dev_get_saddr(struct net *net, const struct net_device *dev,
+		       const struct in6_addr *daddr, unsigned int srcprefs,
+		       struct in6_addr *saddr)
+{
+#ifdef CONFIG_IPV6_MODULE
+	const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
+
+	if (!v6_ops)
+		return -EHOSTUNREACH;
+
+	return v6_ops->dev_get_saddr(net, dev, daddr, srcprefs, saddr);
+#else
+	return ipv6_dev_get_saddr(net, dev, daddr, srcprefs, saddr);
+#endif
+}
+
 unsigned int
 nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range2 *range,
 		       const struct net_device *out)
@@ -38,8 +55,8 @@ nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range2 *range,
 	WARN_ON(!(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
 			 ctinfo == IP_CT_RELATED_REPLY)));
 
-	if (ipv6_dev_get_saddr(nf_ct_net(ct), out,
-			       &ipv6_hdr(skb)->daddr, 0, &src) < 0)
+	if (nat_ipv6_dev_get_saddr(nf_ct_net(ct), out,
+				   &ipv6_hdr(skb)->daddr, 0, &src) < 0)
 		return NF_DROP;
 
 	nat = nf_ct_nat_ext_add(ct);
diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c
index b9c8a763c863..02e9228641e0 100644
--- a/net/ipv6/netfilter/nf_reject_ipv6.c
+++ b/net/ipv6/netfilter/nf_reject_ipv6.c
@@ -233,6 +233,9 @@ static bool reject6_csum_ok(struct sk_buff *skb, int hook)
 	if (thoff < 0 || thoff >= skb->len || (fo & htons(~0x7)) != 0)
 		return false;
 
+	if (!nf_reject_verify_csum(proto))
+		return true;
+
 	return nf_ip6_checksum(skb, hook, thoff, proto) == 0;
 }
 
diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c
index 36be3cf0adef..73cdc0bc63f7 100644
--- a/net/ipv6/netfilter/nft_fib_ipv6.c
+++ b/net/ipv6/netfilter/nft_fib_ipv6.c
@@ -59,7 +59,6 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv,
 				struct ipv6hdr *iph)
 {
 	const struct net_device *dev = NULL;
-	const struct nf_ipv6_ops *v6ops;
 	int route_err, addrtype;
 	struct rt6_info *rt;
 	struct flowi6 fl6 = {
@@ -68,10 +67,6 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv,
 	};
 	u32 ret = 0;
 
-	v6ops = nf_get_ipv6_ops();
-	if (!v6ops)
-		return RTN_UNREACHABLE;
-
 	if (priv->flags & NFTA_FIB_F_IIF)
 		dev = nft_in(pkt);
 	else if (priv->flags & NFTA_FIB_F_OIF)
@@ -79,10 +74,10 @@ static u32 __nft_fib6_eval_type(const struct nft_fib *priv,
 
 	nft_fib6_flowi_init(&fl6, priv, pkt, dev, iph);
 
-	if (dev && v6ops->chk_addr(nft_net(pkt), &fl6.daddr, dev, true))
+	if (dev && nf_ipv6_chk_addr(nft_net(pkt), &fl6.daddr, dev, true))
 		ret = RTN_LOCAL;
 
-	route_err = v6ops->route(nft_net(pkt), (struct dst_entry **)&rt,
+	route_err = nf_ip6_route(nft_net(pkt), (struct dst_entry **)&rt,
 				 flowi6_to_flowi(&fl6), false);
 	if (route_err)
 		goto err;