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authorFlorian Westphal <fw@strlen.de>2017-01-23 18:21:56 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2017-02-02 14:31:53 +0100
commitcb9c68363efb6d1f950ec55fb06e031ee70db5fc (patch)
tree081b7de4d5d3bb069beeaa17328f068686aae810 /net/ipv6
parentnetfilter: reduce direct skb->nfct usage (diff)
downloadlinux-cb9c68363efb6d1f950ec55fb06e031ee70db5fc.tar.xz
linux-cb9c68363efb6d1f950ec55fb06e031ee70db5fc.zip
skbuff: add and use skb_nfct helper
Followup patch renames skb->nfct and changes its type so add a helper to avoid intrusive rename change later. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/ip6t_SYNPROXY.c8
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c4
-rw-r--r--net/ipv6/netfilter/nf_defrag_ipv6_hooks.c4
3 files changed, 8 insertions, 8 deletions
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index 98c8dd38575a..2dc01d2c6ec0 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -121,8 +121,8 @@ synproxy_send_client_synack(struct net *net,
synproxy_build_options(nth, opts);
- synproxy_send_tcp(net, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY,
- niph, nth, tcp_hdr_size);
+ synproxy_send_tcp(net, skb, nskb, skb_nfct(skb),
+ IP_CT_ESTABLISHED_REPLY, niph, nth, tcp_hdr_size);
}
static void
@@ -244,8 +244,8 @@ synproxy_send_client_ack(struct net *net,
synproxy_build_options(nth, opts);
- synproxy_send_tcp(net, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY,
- niph, nth, tcp_hdr_size);
+ synproxy_send_tcp(net, skb, nskb, skb_nfct(skb),
+ IP_CT_ESTABLISHED_REPLY, niph, nth, tcp_hdr_size);
}
static bool
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 44b9af3f813e..09f1661a4e88 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -153,7 +153,7 @@ icmpv6_error_message(struct net *net, struct nf_conn *tmpl,
enum ip_conntrack_info ctinfo;
struct nf_conntrack_zone tmp;
- NF_CT_ASSERT(skb->nfct == NULL);
+ NF_CT_ASSERT(!skb_nfct(skb));
/* Are they talking about one of our connections? */
if (!nf_ct_get_tuplepr(skb,
@@ -224,7 +224,7 @@ icmpv6_error(struct net *net, struct nf_conn *tmpl,
noct_valid_new[type]) {
skb->nfct = &nf_ct_untracked_get()->ct_general;
skb->nfctinfo = IP_CT_NEW;
- nf_conntrack_get(skb->nfct);
+ nf_conntrack_get(skb_nfct(skb));
return NF_ACCEPT;
}
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
index 8e0bdd058787..ada60d1a991b 100644
--- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -37,7 +37,7 @@ static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum,
{
u16 zone_id = NF_CT_DEFAULT_ZONE_ID;
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
- if (skb->nfct) {
+ if (skb_nfct(skb)) {
enum ip_conntrack_info ctinfo;
const struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
@@ -61,7 +61,7 @@ static unsigned int ipv6_defrag(void *priv,
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
/* Previously seen (loopback)? */
- if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
+ if (skb_nfct(skb) && !nf_ct_is_template((struct nf_conn *)skb_nfct(skb)))
return NF_ACCEPT;
#endif