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Date:   Mon, 30 Jan 2017 09:56:52 -0500 (EST)
From:   David Miller <>
Subject: Re: [PATCH net] mlx4: xdp_prog becomes inactive after ethtool '-L'
 or '-G'

From: Martin KaFai Lau <>
Date: Fri, 27 Jan 2017 23:40:51 -0800

> If the rx-queues ever get re-initialized (e.g. by changing the
> number of rx-queues with ethtool -L), the existing xdp_prog becomes
> inactive.
> The bug is that the xdp_prog ptr has not been carried over from
> the old rx-queues to the new rx-queues
> Fixes: 47a38e155037 ("net/mlx4_en: add support for fast rx drop bpf program")
> Signed-off-by: Martin KaFai Lau <>

Mellanox folks, please review.

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