net: add netif_is_geneve()

Add a helper function to determine if the type of a netdev is geneve based
on its rtnl_link_ops. This allows drivers that may wish to offload tunnels
to check the underlying type of the device.

A recent patch added a similar helper to vxlan.h

Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Hurley 2018-11-07 18:32:48 +00:00 committed by David S. Miller
parent cea0604d3f
commit 1d10bd1676

View File

@ -60,6 +60,12 @@ struct genevehdr {
struct geneve_opt options[];
};
static inline bool netif_is_geneve(const struct net_device *dev)
{
return dev->rtnl_link_ops &&
!strcmp(dev->rtnl_link_ops->kind, "geneve");
}
#ifdef CONFIG_INET
struct net_device *geneve_dev_create_fb(struct net *net, const char *name,
u8 name_assign_type, u16 dst_port);