vxlan: Only set has-GBP bit in header if any other bits would be set
This allows for a VXLAN-GBP socket to talk to a Linux VXLAN socket by
not setting any of the bits.
Signed-off-by: Thomas Graf <tg...@suug.ch>
Signed-off-by: David S. Miller <da...@davemloft.net>
Upstream: db79a621835e ("vxlan: Only set has-GBP bit in header if any other
bits would be set")
Signed-off-by: Thomas Graf <tg...@noironetworks.com>
---
datapath/linux/compat/vxlan.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/datapath/linux/compat/vxlan.c b/datapath/linux/compat/vxlan.c
index 9d70611..84a039c 100644
--- a/datapath/linux/compat/vxlan.c
+++ b/datapath/linux/compat/vxlan.c
@@ -214,6 +214,9 @@ static void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, u32
vxflags,
{
struct vxlanhdr_gbp *gbp;
+ if (!md->gbp)
+ return;
+
gbp = (struct vxlanhdr_gbp *)vxh;
vxh->vx_flags |= htonl(VXLAN_HF_GBP);
--
1.9.3
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