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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: Gavin Li <gavinl@nvidia.com>
Reviewed-by: Gavi Teitz <gavi@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gavin Li 2023-03-16 09:07:55 +02:00 committed by Jakub Kicinski
parent df5e87f16c
commit c641e9279f
2 changed files with 19 additions and 19 deletions
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19
drivers/net/vxlan/vxlan_core.c
View File

@ -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;

19
include/net/vxlan.h
View File

@ -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