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authorFlorian Westphal <fw@strlen.de>2018-12-13 16:01:31 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-12-17 23:33:14 +0100
commitfe2d0020994cd9d4f451e3024109319af287413b (patch)
tree8225337045e09ec9b8502944dd9f16ffba869faa /net/ipv4/netfilter
parentnetfilter: nat: fold in_range indirection into caller (diff)
downloadlinux-dev-fe2d0020994cd9d4f451e3024109319af287413b.tar.xz
linux-dev-fe2d0020994cd9d4f451e3024109319af287413b.zip
netfilter: nat: remove l4proto->in_range
With exception of icmp, all of the l4 nat protocols set this to nf_nat_l4proto_in_range. Get rid of this and just check the l4proto in the caller. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv4/netfilter')
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_gre.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_icmp.c11
2 files changed, 0 insertions, 12 deletions
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index a04ff7665e4c..94b735dd570d 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -80,7 +80,6 @@ gre_manip_pkt(struct sk_buff *skb,
static const struct nf_nat_l4proto gre = {
.l4proto = IPPROTO_GRE,
.manip_pkt = gre_manip_pkt,
- .in_range = nf_nat_l4proto_in_range,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
.nlattr_to_range = nf_nat_l4proto_nlattr_to_range,
#endif
diff --git a/net/ipv4/netfilter/nf_nat_proto_icmp.c b/net/ipv4/netfilter/nf_nat_proto_icmp.c
index 70d7fabdbb01..f532e2215970 100644
--- a/net/ipv4/netfilter/nf_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_icmp.c
@@ -18,16 +18,6 @@
#include <net/netfilter/nf_nat_l4proto.h>
static bool
-icmp_in_range(const struct nf_conntrack_tuple *tuple,
- enum nf_nat_manip_type maniptype,
- const union nf_conntrack_man_proto *min,
- const union nf_conntrack_man_proto *max)
-{
- return ntohs(tuple->src.u.icmp.id) >= ntohs(min->icmp.id) &&
- ntohs(tuple->src.u.icmp.id) <= ntohs(max->icmp.id);
-}
-
-static bool
icmp_manip_pkt(struct sk_buff *skb,
const struct nf_nat_l3proto *l3proto,
unsigned int iphdroff, unsigned int hdroff,
@@ -49,7 +39,6 @@ icmp_manip_pkt(struct sk_buff *skb,
const struct nf_nat_l4proto nf_nat_l4proto_icmp = {
.l4proto = IPPROTO_ICMP,
.manip_pkt = icmp_manip_pkt,
- .in_range = icmp_in_range,
#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
.nlattr_to_range = nf_nat_l4proto_nlattr_to_range,
#endif