vxlan: support for ndo_fdb_get (474c3c89) · Commits · 戴 / test

drivers/net/vxlan.c

+34 −0

Original line number	Diff line number	Diff line
		@@ -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,
		};