netdev - Re: [PATCH bpf-next] net: lan966x: set xdp

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Message-ID: <cfcc4936-086c-62f6-142f-1db1c42fb9d3@iogearbox.net>
Date:   Mon, 13 Feb 2023 18:00:40 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        ast@...nel.org, andrii@...nel.org, horatiu.vultur@...rochip.com,
        UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH bpf-next] net: lan966x: set xdp_features flag

On 2/12/23 10:07 AM, Lorenzo Bianconi wrote:
>> Set xdp_features netdevice flag if lan966x nic supports xdp mode.
>>
>> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
>> ---
>>   drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
>> index 580c91d24a52..b24e55e61dc5 100644
>> --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
>> +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
>> @@ -823,6 +823,11 @@ static int lan966x_probe_port(struct lan966x *lan966x, u32 p,
>>   
>>   	port->phylink = phylink;
>>   
>> +	if (lan966x->fdma)
>> +		dev->xdp_features = NETDEV_XDP_ACT_BASIC |
>> +				    NETDEV_XDP_ACT_REDIRECT |
>> +				    NETDEV_XDP_ACT_NDO_XMIT;
>> +
>>   	err = register_netdev(dev);
>>   	if (err) {
>>   		dev_err(lan966x->dev, "register_netdev failed\n");
> 
> Since the xdp-features series is now merged in net-next, do you think it is
> better to target this patch to net-next?

Yes, that would be better given it's a pure driver change. I moved delegate
to netdev.

Thanks,
Daniel