[PATCH 5/5] xfrm: Increment statistic counter on inner mode error
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: 2015-10-30 06:16:43
Subsystem:
networking [general], networking [ipsec], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Steffen Klassert, Herbert Xu, Linus Torvalds
Increment the LINUX_MIB_XFRMINSTATEMODEERROR statistic counter to notify about dropped packets if we fail to fetch a inner mode. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> --- net/xfrm/xfrm_input.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 60ce701..ad7f5b3 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c@@ -330,8 +330,10 @@ resume: if (x->sel.family == AF_UNSPEC) { inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); - if (inner_mode == NULL) + if (inner_mode == NULL) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR); goto drop; + } } if (inner_mode->input(x, skb)) {
--
1.9.1