Re: [PATCH net] net: bridge: use switchdev for port flags set through sysfs too

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On 07/02/2021 21:47, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> 
> Looking through patchwork I don't see that there was any consensus to
> use switchdev notifiers only in case of netlink provided port flags but
> not sysfs (as a sort of deprecation, punishment or anything like that),
> so we should probably keep the user interface consistent in terms of
> functionality.
> 
> http://patchwork.ozlabs.org/project/netdev/patch/20170605092043.3523-3-jiri@xxxxxxxxxxx/
> http://patchwork.ozlabs.org/project/netdev/patch/20170608064428.4785-3-jiri@xxxxxxxxxxx/
> 
> Fixes: 3922285d96e7 ("net: bridge: Add support for offloading port attributes")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> ---
>  net/bridge/br_sysfs_if.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
> index 96ff63cde1be..5aea9427ffe1 100644
> --- a/net/bridge/br_sysfs_if.c
> +++ b/net/bridge/br_sysfs_if.c
> @@ -59,9 +59,8 @@ static BRPORT_ATTR(_name, 0644,					\
>  static int store_flag(struct net_bridge_port *p, unsigned long v,
>  		      unsigned long mask)
>  {
> -	unsigned long flags;
> -
> -	flags = p->flags;
> +	unsigned long flags = p->flags;
> +	int err;
>  
>  	if (v)
>  		flags |= mask;
> @@ -69,6 +68,10 @@ static int store_flag(struct net_bridge_port *p, unsigned long v,
>  		flags &= ~mask;
>  
>  	if (flags != p->flags) {
> +		err = br_switchdev_set_port_flag(p, flags, mask);
> +		if (err)
> +			return err;
> +
>  		p->flags = flags;
>  		br_port_flags_change(p, mask);
>  	}
> 

Acked-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxx>



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