diff mbox series

[net-next] openvswitch: Warn over-mtu packets only if iface is UP.

Message ID 20210316201427.1690660-1-fbl@sysclose.org
State New
Headers show
Series [net-next] openvswitch: Warn over-mtu packets only if iface is UP. | expand

Commit Message

Flavio Leitner March 16, 2021, 8:14 p.m. UTC
It is not unusual to have the bridge port down. Sometimes
it has the old MTU, which is fine since it's not being used.

However, the kernel spams the log with a warning message
when a packet is going to be sent over such port. Fix that
by warning only if the interface is UP.

Signed-off-by: Flavio Leitner <fbl@sysclose.org>
---
 net/openvswitch/vport.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org March 16, 2021, 11:40 p.m. UTC | #1
Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Tue, 16 Mar 2021 17:14:27 -0300 you wrote:
> It is not unusual to have the bridge port down. Sometimes
> it has the old MTU, which is fine since it's not being used.
> 
> However, the kernel spams the log with a warning message
> when a packet is going to be sent over such port. Fix that
> by warning only if the interface is UP.
> 
> [...]

Here is the summary with links:
  - [net-next] openvswitch: Warn over-mtu packets only if iface is UP.
    https://git.kernel.org/netdev/net-next/c/ebfbc46b35cb

You are awesome, thank you!
--
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diff mbox series

Patch

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 4ed7e52c7012..88deb5b41429 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -497,10 +497,12 @@  void ovs_vport_send(struct vport *vport, struct sk_buff *skb, u8 mac_proto)
 
 	if (unlikely(packet_length(skb, vport->dev) > mtu &&
 		     !skb_is_gso(skb))) {
-		net_warn_ratelimited("%s: dropped over-mtu packet: %d > %d\n",
-				     vport->dev->name,
-				     packet_length(skb, vport->dev), mtu);
 		vport->dev->stats.tx_errors++;
+		if (vport->dev->flags & IFF_UP)
+			net_warn_ratelimited("%s: dropped over-mtu packet: "
+					     "%d > %d\n", vport->dev->name,
+					     packet_length(skb, vport->dev),
+					     mtu);
 		goto drop;
 	}