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openvswitch: Add recirc_id to recirc warning

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When hitting the recirculation limit, the kernel would currently log
something like this:

[   58.586597] openvswitch: ovs-system: deferred action limit reached, drop recirc action

Which isn't all that useful to debug as we only have the interface name
to go on but can't track it down to a specific flow.

With this change, we now instead get:

[   58.586597] openvswitch: ovs-system: deferred action limit reached, drop recirc action (recirc_id=0x9e)

Which can now be correlated with the flow entries from OVS.

Suggested-by: Frode Nordahl <frode.nordahl@canonical.com>
Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Tested-by: Stephane Graber <stgraber@ubuntu.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/20220330194244.3476544-1-stgraber@ubuntu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Stéphane Graber 2022-03-30 15:42:45 -04:00 committed by Jakub Kicinski
parent 46b556205d
commit ea07af2e71
1 changed files with 2 additions and 2 deletions
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4
net/openvswitch/actions.c
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@ -1539,8 +1539,8 @@ static int clone_execute(struct datapath *dp, struct sk_buff *skb,
pr_warn("%s: deferred action limit reached, drop sample action\n",
ovs_dp_name(dp));
} else { /* Recirc action */
pr_warn("%s: deferred action limit reached, drop recirc action\n",
ovs_dp_name(dp));
pr_warn("%s: deferred action limit reached, drop recirc action (recirc_id=%#x)\n",
ovs_dp_name(dp), recirc_id);
}
}
}