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authorMike Rapoport <mike.rapoport@ravellosystems.com>2013-06-25 16:01:56 +0300
committerStephen Hemminger <stephen@networkplumber.org>2013-06-25 09:31:40 -0700
commit58e4c767046a35f11a55af6ce946054ddf4a8580 (patch)
tree965f40273e402c2212246cba0e9853b687f058f1
parentf693dff7107063f0ce08502052b78c4d4feb0e87 (diff)
downloadop-kernel-dev-58e4c767046a35f11a55af6ce946054ddf4a8580.zip
op-kernel-dev-58e4c767046a35f11a55af6ce946054ddf4a8580.tar.gz
vxlan: fdb: allow specifying multiple destinations for zero MAC
The zero MAC entry in the fdb is used as default destination. With multiple default destinations it is possible to use vxlan in environments that disable multicast on the infrastructure level, e.g. public clouds. Signed-off-by: Mike Rapoport <mike.rapoport@ravellosystems.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
-rw-r--r--drivers/net/vxlan.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index c182520..3e75f97 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -458,7 +458,8 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
notify = 1;
}
if ((flags & NLM_F_APPEND) &&
- is_multicast_ether_addr(f->eth_addr)) {
+ (is_multicast_ether_addr(f->eth_addr) ||
+ is_zero_ether_addr(f->eth_addr))) {
int rc = vxlan_fdb_append(f, ip, port, vni, ifindex);
if (rc < 0)
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