On Mon, 15 Oct 2018 13:30:41 -0700 Jakub Kicinski <jakub.kicin...@netronome.com> wrote:
> On Mon, 15 Oct 2018 23:27:41 +0300, Ido Schimmel wrote: > > On Mon, Oct 15, 2018 at 01:16:42PM -0700, Stephen Hemminger wrote: > > > On Mon, 15 Oct 2018 22:57:48 +0300 > > > Ido Schimmel <ido...@mellanox.com> wrote: > > > > > > > On Mon, Oct 15, 2018 at 11:57:56AM -0700, Jakub Kicinski wrote: > > > > > On Sat, 13 Oct 2018 17:18:38 +0000, Ido Schimmel wrote: > > > > > > Add the ability to determine whether a netdev is a VxLAN netdev by > > > > > > calling the above mentioned function that checks the netdev's > > > > > > private > > > > > > flags. > > > > > > > > > > > > This will allow modules to identify netdev events involving a VxLAN > > > > > > netdev and act accordingly. For example, drivers capable of VxLAN > > > > > > offload will need to configure the underlying device when a VxLAN > > > > > > netdev > > > > > > is being enslaved to an offloaded bridge. > > > > > > > > > > > > Signed-off-by: Ido Schimmel <ido...@mellanox.com> > > > > > > Reviewed-by: Petr Machata <pe...@mellanox.com> > > > > > > > > > > Is this preferable over > > > > > > > > > > !strcmp(netdev->rtnl_link_ops->kind, "vxlan") > > > > > > > > > > which is what TC offloads do? > > > > > > > > Using a flag seemed like the more standard way. > > > > > > > > That being said, we considered using net_device_ops instead, given we > > > > are about to run out of available private flags, so I don't mind > > > > adopting a technique already employed by another driver. > > > > > > > > P.S. Had to Cc netdev again. I think your client somehow messed the Cc > > > > list? I see Cc list in your reply, but with back slashes at the end of > > > > two email addresses. > > > > > > Agree that using a global resource bit in flags is probably overkill. > > > If you can use kind that would be good example for other drivers as well. > > > > > > > OK, will change. > > > > Jakub, any objections if I implement netif_is_vxlan() using 'kind' and > > convert nfp to use the helper? Having all these helpers in the same > > location will increase the chances of others reusing them. > > Sounds very good :) We could even do this for bridge, and other devices that are using private flags.