xfrm: Introduce LINUX_MIB_XFRMFWDHDRERROR

XFRMINHDRERROR counter is ambigous when validating forwarding
path. It makes it tricky to debug when you have both in and fwd
validation.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 0f953fe..e28f5a0 100644 (file)
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -257,6 +257,7 @@ enum
        LINUX_MIB_XFRMOUTPOLBLOCK,              /* XfrmOutPolBlock */
        LINUX_MIB_XFRMOUTPOLDEAD,               /* XfrmOutPolDead */
        LINUX_MIB_XFRMOUTPOLERROR,              /* XfrmOutPolError */
+       LINUX_MIB_XFRMFWDHDRERROR,              /* XfrmFwdHdrError*/
        __LINUX_MIB_XFRMMAX
 };
 

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 2c5d931..4368e7b 100644 (file)
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2045,8 +2045,7 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
        int res;
 
        if (xfrm_decode_session(skb, &fl, family) < 0) {
-               /* XXX: we should have something like FWDHDRERROR here. */
-               XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR);
+               XFRM_INC_STATS(net, LINUX_MIB_XFRMFWDHDRERROR);
                return 0;
        }
 

diff --git a/net/xfrm/xfrm_proc.c b/net/xfrm/xfrm_proc.c
index 003f2c4..58d9ae0 100644 (file)
--- a/net/xfrm/xfrm_proc.c
+++ b/net/xfrm/xfrm_proc.c
@@ -41,6 +41,7 @@ static const struct snmp_mib xfrm_mib_list[] = {
        SNMP_MIB_ITEM("XfrmOutPolBlock", LINUX_MIB_XFRMOUTPOLBLOCK),
        SNMP_MIB_ITEM("XfrmOutPolDead", LINUX_MIB_XFRMOUTPOLDEAD),
        SNMP_MIB_ITEM("XfrmOutPolError", LINUX_MIB_XFRMOUTPOLERROR),
+       SNMP_MIB_ITEM("XfrmFwdHdrError", LINUX_MIB_XFRMFWDHDRERROR),
        SNMP_MIB_SENTINEL
 };