netdev - Re: [PATCH] net/mlx5e: restrict the real_dev of vlan device is the same as uplink device

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Date:   Mon, 20 May 2019 21:23:55 +0000
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     Gavi Teitz <gavi@...lanox.com>,
        "wenxu@...oud.cn" <wenxu@...oud.cn>, Roi Dayan <roid@...lanox.com>,
        Vlad Buslov <vladbu@...lanox.com>,
        Jianbo Liu <jianbol@...lanox.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] net/mlx5e: restrict the real_dev of vlan device is the
 same as uplink device

On Sun, 2019-05-19 at 06:49 +0000, Roi Dayan wrote:
> 
> On 18/05/2019 06:10, wenxu wrote:
> > There will be multiple vlan device which maybe not belong to the
> > uplink rep device, so wen can limit it
> > 
> > 在 2019/5/18 4:30, Saeed Mahameed 写道:
> > > On Wed, 2019-05-15 at 17:25 +0800, wenxu@...oud.cn wrote:
> > > > From: wenxu <wenxu@...oud.cn>
> > > > 
> > > > When register indr block for vlan device, it should check the
> > > > real_dev
> > > > of vlan device is same as uplink device. Or it will set offload
> > > > rule
> > > > to mlx5e which will never hit.
> > > > 
> > > I would improve the commit message, it is not really clear to me
> > > what
> > > is going on here.
> > > 
> > > Anyway Roi and team, can you please provide feedback ..
> > > 
> > > > Signed-off-by: wenxu <wenxu@...oud.cn>
> > > > ---
> > > >  drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
> > > > b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
> > > > index 91e24f1..a39fdac 100644
> > > > --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
> > > > +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
> > > > @@ -796,7 +796,7 @@ static int
> > > > mlx5e_nic_rep_netdevice_event(struct
> > > > notifier_block *nb,
> > > >  	struct net_device *netdev =
> > > > netdev_notifier_info_to_dev(ptr);
> > > >  
> > > >  	if (!mlx5e_tc_tun_device_to_offload(priv, netdev) &&
> > > > -	    !is_vlan_dev(netdev))
> > > > +	    !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev)
> > > > ==
> > > > rpriv->netdev))
> > > >  		return NOTIFY_OK;
> > > >  
> > > >  	switch (event) {
> 
> thanks!
> 
> you should add a fixes line
> Fixes: 35a605db168c ("net/mlx5e: Offload TC e-switch rules with
> ingress VLAN device")
> 
> beside that all good.
> Reviewed-by: Roi Dayan <roid@...lanox.com>
> 
> 

Applied to net-mlx5 and added the Fixes line.
Thanks !