The commit is pushed to "branch-rh9-5.14.0-162.6.1.vz9.18.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-162.6.1.vz9.18.2
------>
commit a3a1d478c7e4c67699b24a2b96722be7301b8889
Author: Menglong Dong <imaged...@tencent.com>
Date: Tue Jan 3 17:39:16 2023 +0200
net: neigh: add skb drop reasons to arp_error_report()
When neighbour become invalid or destroyed, neigh_invalidate() will be
called. neigh->ops->error_report() will be called if the neighbour's
state is NUD_FAILED, and seems here is the only use of error_report().
So we can tell that the reason of skb drops in arp_error_report() is
SKB_DROP_REASON_NEIGH_FAILED.
Replace kfree_skb() used in arp_error_report() with kfree_skb_reason().
Reviewed-by: Mengen Sun <mengen...@tencent.com>
Reviewed-by: Hao Peng <flyingp...@tencent.com>
Signed-off-by: Menglong Dong <imaged...@tencent.com>
Reviewed-by: David Ahern <dsah...@kernel.org>
Signed-off-by: David S. Miller <da...@davemloft.net>
Acked-by: Nikolay Borisov <nbori...@suse.com>
Signed-off-by: Nikolay Borisov <nikolay.bori...@virtuozzo.com>
======
Patchset description:
ms/net: Annotate skb free sites with reason
This series backports most of the patches that add a reason to skb free
sites.
https://jira.sw.ru/browse/PSBM-143302
Feature: net: improve verbosity of dropped packets reporting
---
net/ipv4/arp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 8d0f5f761e5f..40d40696ac7c 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -293,7 +293,7 @@ static int arp_constructor(struct neighbour *neigh)
static void arp_error_report(struct neighbour *neigh, struct sk_buff *skb)
{
dst_link_failure(skb);
- kfree_skb(skb);
+ kfree_skb_reason(skb, SKB_DROP_REASON_NEIGH_FAILED);
}
/* Create and send an arp packet. */
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