diff options
| author | Roopa Prabhu <roopa@cumulusnetworks.com> | 2018-12-15 22:35:10 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-12-16 14:42:34 -0800 |
| commit | 474c3c896ff29fbd69b13d99f2f66dd6da3b6634 (patch) | |
| tree | e3a63501ceab93cbd019ec027bd758a87b04b1e2 | |
| parent | 4767456212f8cd70775dc55d9bc72e184ff84642 (diff) | |
vxlan: support for ndo_fdb_get
This patch implements ndo_fdb_get for a vxlan device.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/vxlan.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 49d4b5854c62..71c3b7b6b1ab 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1152,6 +1152,39 @@ out: return err; } +static int vxlan_fdb_get(struct sk_buff *skb, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 vid, u32 portid, u32 seq, + struct netlink_ext_ack *extack) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct vxlan_fdb *f; + __be32 vni; + int err; + + if (tb[NDA_VNI]) + vni = cpu_to_be32(nla_get_u32(tb[NDA_VNI])); + else + vni = vxlan->default_dst.remote_vni; + + rcu_read_lock(); + + f = __vxlan_find_mac(vxlan, addr, vni); + if (!f) { + NL_SET_ERR_MSG(extack, "Fdb entry not found"); + err = -ENOENT; + goto errout; + } + + err = vxlan_fdb_info(skb, vxlan, f, portid, seq, + RTM_NEWNEIGH, 0, first_remote_rcu(f)); +errout: + rcu_read_unlock(); + return err; +} + /* Watch incoming packets to learn mapping between Ethernet address * and Tunnel endpoint. * Return true if packet is bogus and should be dropped. @@ -2805,6 +2838,7 @@ static const struct net_device_ops vxlan_netdev_ether_ops = { .ndo_fdb_add = vxlan_fdb_add, .ndo_fdb_del = vxlan_fdb_delete, .ndo_fdb_dump = vxlan_fdb_dump, + .ndo_fdb_get = vxlan_fdb_get, .ndo_fill_metadata_dst = vxlan_fill_metadata_dst, }; |