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Message-ID: <6170db12d80e727169dca2d00a0226b91f8f87f0.camel@mellanox.com>
Date: Tue, 29 Jan 2019 22:20:54 +0000
From: Saeed Mahameed <saeedm@...lanox.com>
To: "davem@...emloft.net" <davem@...emloft.net>,
"xiangxia.m.yue@...il.com" <xiangxia.m.yue@...il.com>,
"gerlitz.or@...il.com" <gerlitz.or@...il.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Hadar Hen Zion <hadarh@...lanox.com>
Subject: Re: [PATCH net v5 1/2] net/mlx5e: Update hw flows when encap source
mac changed
On Mon, 2019-01-28 at 15:28 -0800, xiangxia.m.yue@...il.com wrote:
> From: Tonghao Zhang <xiangxia.m.yue@...il.com>
>
> When we offload tc filters to hardware, hardware flows can
> be updated when mac of encap destination ip is changed.
> But we ignore one case, that the mac of local encap ip can
> be changed too, so we should also update them.
>
> To fix it, add route_dev in mlx5e_encap_entry struct to save
> the local encap netdevice, and when mac changed, kernel will
> flush all the neighbour on the netdevice and send
> NETEVENT_NEIGH_UPDATE
> event. The mlx5 driver will delete the flows and add them when
> neighbour
> available again.
>
> Fixes: 232c001398ae ("net/mlx5e: Add support to neighbour update
> flow")
> Cc: Hadar Hen Zion <hadarh@...lanox.com>
> Signed-off-by: Tonghao Zhang <xiangxia.m.yue@...il.com>
> Reviewed-by: Or Gerlitz <ogerlitz@...lanox.com>
>
>
Thank you Tonghao and Or.
Acked-by: Saeed Mahameed <saeedm@...lanox.com>
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