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SubjectRe: [PATCH v4 1/2] ip_tunnel: fix ip tunnel lookup in collect_md mode
From: Haishuang Yan <>
Date: Tue, 12 Sep 2017 17:47:56 +0800

> In collect_md mode, if the tun dev is down, it still can call
> ip_tunnel_rcv to receive on packets, and the rx statistics increase
> improperly.
> When the md tunnel is down, it's not neccessary to increase RX drops
> for the tunnel device, packets would be recieved on fallback tunnel,
> and the RX drops on fallback device will be increased as expected.
> Fixes: 2e15ea390e6f ("ip_gre: Add support to collect tunnel metadata.")
> Cc: Pravin B Shelar <>
> Signed-off-by: Haishuang Yan <>


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