From: John Hurley <john.hurley@netronome.com>
Date: Wed, 7 Nov 2018 18:32:48 +0000 (+0000)
Subject: net: add netif_is_geneve()
X-Git-Tag: v5.0-rc1~129^2~368^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d10bd167667655362a7e2b407a96aad5979bfca;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/include/net/geneve.h b/include/net/geneve.h
index a7600ed55ea31..fc6a7e0a874a9 100644
--- a/include/net/geneve.h
+++ b/include/net/geneve.h
@@ -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);