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

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Date:   Fri, 17 May 2019 20:30:59 +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 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) {