Re: [PATCH net-next 1/3] bonding: return detailed error when loading native XDP fails

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On 16/10/2024 06:16, Hangbin Liu wrote:
> Bonding only supports native XDP for specific modes, which can lead to
> confusion for users regarding why XDP loads successfully at times and
> fails at others. This patch enhances error handling by returning detailed
> error messages, providing users with clearer insights into the specific
> reasons for the failure when loading native XDP.
> 
> Signed-off-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
> ---
>  drivers/net/bonding/bond_main.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> index b1bffd8e9a95..f0f76b6ac8be 100644
> --- a/drivers/net/bonding/bond_main.c
> +++ b/drivers/net/bonding/bond_main.c
> @@ -5676,8 +5676,11 @@ static int bond_xdp_set(struct net_device *dev, struct bpf_prog *prog,
>  
>  	ASSERT_RTNL();
>  
> -	if (!bond_xdp_check(bond))
> +	if (!bond_xdp_check(bond)) {
> +		BOND_NL_ERR(dev, extack,
> +			    "No native XDP support for the current bonding mode");
>  		return -EOPNOTSUPP;
> +	}
>  
>  	old_prog = bond->xdp_prog;
>  	bond->xdp_prog = prog;

I guess this is based on our discussion earlier?

Reviewed-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>




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