Commit c641e927 authored by Gavin Li's avatar Gavin Li Committed by Jakub Kicinski
Browse files

vxlan: Expose helper vxlan_build_gbp_hdr 



The function vxlan_build_gbp_hdr will be used by other modules to build
gbp option in vxlan header according to gbp flags.

Signed-off-by: default avatarGavin Li <gavinl@nvidia.com>
Reviewed-by: default avatarGavi Teitz <gavi@nvidia.com>
Reviewed-by: default avatarRoi Dayan <roid@nvidia.com>
Reviewed-by: default avatarMaor Dickman <maord@nvidia.com>
Acked-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent df5e87f1

drivers/net/vxlan/vxlan_core.c

+0 −19
Original line number Diff line number Diff line
@@ -2093,25 +2093,6 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) 
	return false;

}



static void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, struct vxlan_metadata *md)

{

	struct vxlanhdr_gbp *gbp;



	if (!md->gbp)

		return;



	gbp = (struct vxlanhdr_gbp *)vxh;

	vxh->vx_flags |= VXLAN_HF_GBP;



	if (md->gbp & VXLAN_GBP_DONT_LEARN)

		gbp->dont_learn = 1;



	if (md->gbp & VXLAN_GBP_POLICY_APPLIED)

		gbp->policy_applied = 1;



	gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK);

}



static int vxlan_build_gpe_hdr(struct vxlanhdr *vxh, __be16 protocol)

{

	struct vxlanhdr_gpe *gpe = (struct vxlanhdr_gpe *)vxh;

include/net/vxlan.h

+19 −0
Original line number Diff line number Diff line
@@ -572,4 +572,23 @@ static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh, 
	return true;

}



static inline void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, const struct vxlan_metadata *md)

{

	struct vxlanhdr_gbp *gbp;



	if (!md->gbp)

		return;



	gbp = (struct vxlanhdr_gbp *)vxh;

	vxh->vx_flags |= VXLAN_HF_GBP;



	if (md->gbp & VXLAN_GBP_DONT_LEARN)

		gbp->dont_learn = 1;



	if (md->gbp & VXLAN_GBP_POLICY_APPLIED)

		gbp->policy_applied = 1;



	gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK);

}



#endif