Re: [PATCH net-next v3] hv_netvsc: Set device flags for properly indicating bonding in Hyper-V
From: Jakub Kicinski
Date: Tue Feb 11 2025 - 19:20:44 EST
On Fri, 7 Feb 2025 13:55:37 -0800 longli@xxxxxxxxxxxxxxxxx wrote:
> On Hyper-V platforms, a slave VF netdev always bonds to Netvsc and remains
> as Netvsc's only active slave as long as the slave device is present. This
> behavior is the same as a bonded device, but it's not user-configurable.
>
> Some kernel APIs (e.g those in "include/linux/netdevice.h") check for
> IFF_MASTER, IFF_SLAVE and IFF_BONDING for determing if those are used in
> a master/slave bonded setup. Netvsc's bonding setup with its slave device
> falls into this category.
Again, this is way too much of a hack. You're trying to make
netif_is_bond_master() return true for your franken-interfaces
with minimal effort.
--
pw-bot: reject