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Commit d66e37a9 authored by Masahide NAKAMURA's avatar Masahide NAKAMURA Committed by David S. Miller
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[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: default avatarMasahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a067d9ac

net/xfrm/xfrm_policy.c

+4 −1
Original line number Diff line number Diff line
@@ -1510,9 +1510,11 @@ int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, 
		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)

		goto nopol;
@@ -1603,6 +1605,7 @@ int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, 
				/* EREMOTE tells the caller to generate

				 * a one-shot blackhole route.

				 */

				XFRM_INC_STATS(LINUX_MIB_XFRMOUTNOSTATES);

				xfrm_pol_put(policy);

				return -EREMOTE;

			}