Hello,
I found two more points where they should be incremented
as XFRM packet dropping counter. Please apply it.
P.S.
I don't touch XFRM_LOOKUP_ICMP related error at __xfrm_lookup()
since it may not drop the packet.
Correct me if it is wrong or comments are welcomed.
[PATCH][XFRM] Statistics: Add outbound-dropping error.
o Increment PolError counter when flow_cache_lookup() returns
errored pointer.
o Increment NoStates counter at larval-drop.
Signed-off-by: Masahide NAKAMURA <[EMAIL PROTECTED]>
---
net/xfrm/xfrm_policy.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 280f8de..d83227b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1510,8 +1510,10 @@ restart:
policy = flow_cache_lookup(fl, dst_orig->ops->family,
dir, xfrm_policy_lookup);
err = PTR_ERR(policy);
- if (IS_ERR(policy))
+ if (IS_ERR(policy)) {
+ XFRM_INC_STATS(LINUX_MIB_XFRMOUTPOLERROR);
goto dropdst;
+ }
}
if (!policy)
@@ -1603,6 +1605,7 @@ restart:
/* EREMOTE tells the caller to generate
* a one-shot blackhole route.
*/
+ XFRM_INC_STATS(LINUX_MIB_XFRMOUTNOSTATES);
xfrm_pol_put(policy);
return -EREMOTE;
}
--
1.4.4.2
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