Re: [PATCH RFC net-next 2/7] netdev_features: convert NETIF_F_LLTX to priv_flag IFF_LLTX

From: Simon Horman
Date: Mon Apr 15 2024 - 10:40:05 EST


On Fri, Apr 05, 2024 at 03:37:26PM +0200, Alexander Lobakin wrote:
> NETIF_F_LLTX can't be changed via Ethtool and is not a feature, rather
> an attribute, very similar to IFF_NO_QUEUE.
> Free one netdev_features_t bit and make it a private flag.
>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@xxxxxxxxx>

..

> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index 0c198620ac93..065dd68fe97c 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -1649,6 +1649,8 @@ struct net_device_ops {
> * @IFF_SEE_ALL_HWTSTAMP_REQUESTS: device wants to see calls to
> * ndo_hwtstamp_set() for all timestamp requests regardless of source,
> * even if those aren't HWTSTAMP_SOURCE_NETDEV.
> + @ @IFF_LLTX: device supports lockless Tx. Mainly used by logical interfaces,

Hi Alexander,

Sorry if this has already been flagged - I thought so but I can't find it now.

" @ @IFF_LLTX:" should probably be " * @IFF_LLTX:"

Flagged by ./scripts/kernel-doc -none

> + * such as tunnels.
> */
> enum netdev_priv_flags {
> IFF_802_1Q_VLAN = 1<<0,

..