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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 /drivers/net/vxlan.c
parentrtnetlink: allow using zero MAC address in rtnl_fdb_{add,del} (diff)
downloadlinux-dev-58e4c767046a35f11a55af6ce946054ddf4a8580.tar.xz
linux-dev-58e4c767046a35f11a55af6ce946054ddf4a8580.zip
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>
Diffstat (limited to 'drivers/net/vxlan.c')
-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 c1825201f9e2..3e75f9726c33 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)