Commit-ID: 3d04ebb6ab2ac9a3bea7644f0d13cdf65002b870
Gitweb: http://git.kernel.org/tip/3d04ebb6ab2ac9a3bea7644f0d13cdf65002b870
Author: Changli Gao <xiaosuo@xxxxxxxxx>
AuthorDate: Tue, 17 Aug 2010 20:34:40 +0000
Committer: David S. Miller <davem@xxxxxxxxxxxxx>
CommitDate: Thu, 19 Aug 2010 17:16:24 -0700
netfilter: ipt_CLUSTERIP: use proto_ports_offset() to support AH message
Signed-off-by: Changli Gao <xiaosuo@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
net/ipv4/netfilter/ipt_CLUSTERIP.c | 31 +++++++++++++++----------------
1 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 3a43cf3..1e26a48 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -29,6 +29,7 @@
#include <net/netfilter/nf_conntrack.h>
#include <net/net_namespace.h>
#include <net/checksum.h>
+#include <net/ip.h>
#define CLUSTERIP_VERSION "0.8"
@@ -231,24 +232,22 @@ clusterip_hashfn(const struct sk_buff *skb,
{
const struct iphdr *iph = ip_hdr(skb);
unsigned long hashval;
- u_int16_t sport, dport;
- const u_int16_t *ports;
-
- switch (iph->protocol) {
- case IPPROTO_TCP:
- case IPPROTO_UDP:
- case IPPROTO_UDPLITE:
- case IPPROTO_SCTP:
- case IPPROTO_DCCP:
- case IPPROTO_ICMP:
- ports = (const void *)iph+iph->ihl*4;
- sport = ports[0];
- dport = ports[1];
- break;
- default:
+ u_int16_t sport = 0, dport = 0;
+ int poff;
+
+ poff = proto_ports_offset(iph->protocol);
+ if (poff >= 0) {
+ const u_int16_t *ports;
+ u16 _ports[2];
+
+ ports = skb_header_pointer(skb, iph->ihl * 4 + poff, 4, _ports);
+ if (ports) {
+ sport = ports[0];
+ dport = ports[1];
+ }
+ } else {
if (net_ratelimit())
pr_info("unknown protocol %u\n", iph->protocol);
- sport = dport = 0;
}
switch (config->hash_mode) {
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|