datapath: Add support for VXLAN tunnels to Open vSwitch

[sliver-openvswitch.git] / include / linux / openvswitch.h

diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index 2d141e0..56b9785 100644 (file)
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2007-2011 Nicira, Inc.
  *
  * This file is offered under your choice of two licenses: Apache 2.0 or GNU
  * GPL 2.0 or later.  The permission statements for each of these licenses is
@@ -21,19 +21,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * ----------------------------------------------------------------------
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
  * ----------------------------------------------------------------------
  */
 
@@ -182,9 +182,12 @@ enum ovs_vport_type {
        OVS_VPORT_TYPE_UNSPEC,
        OVS_VPORT_TYPE_NETDEV,   /* network device */
        OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
+       OVS_VPORT_TYPE_FT_GRE,   /* Flow based GRE tunnel. */
+       OVS_VPORT_TYPE_VXLAN,    /* VXLAN tunnel */
        OVS_VPORT_TYPE_PATCH = 100, /* virtual tunnel connecting two vports */
        OVS_VPORT_TYPE_GRE,      /* GRE tunnel */
        OVS_VPORT_TYPE_CAPWAP,   /* CAPWAP tunnel */
+       OVS_VPORT_TYPE_GRE64 = 104, /* GRE tunnel with 64-bit keys */
        __OVS_VPORT_TYPE_MAX
 };
 
@@ -278,7 +281,9 @@ enum ovs_key_attr {
        OVS_KEY_ATTR_ICMPV6,    /* struct ovs_key_icmpv6 */
        OVS_KEY_ATTR_ARP,       /* struct ovs_key_arp */
        OVS_KEY_ATTR_ND,        /* struct ovs_key_nd */
-       OVS_KEY_ATTR_TUN_ID = 63, /* be64 tunnel ID */
+       OVS_KEY_ATTR_SKB_MARK,  /* u32 skb mark */
+       OVS_KEY_ATTR_IPV4_TUNNEL,  /* struct ovs_key_ipv4_tunnel */
+       OVS_KEY_ATTR_TUN_ID = 63,  /* be64 tunnel ID */
        __OVS_KEY_ATTR_MAX
 };
 
@@ -360,6 +365,21 @@ struct ovs_key_nd {
        __u8  nd_tll[6];
 };
 
+/* Values for ovs_key_ipv4_tunnel->tun_flags */
+#define OVS_TNL_F_DONT_FRAGMENT (1 << 0)
+#define OVS_TNL_F_CSUM (1 << 1)
+#define OVS_TNL_F_KEY (1 << 2)
+
+struct ovs_key_ipv4_tunnel {
+       __be64 tun_id;
+       __u32  tun_flags;
+       __be32 ipv4_src;
+       __be32 ipv4_dst;
+       __u8   ipv4_tos;
+       __u8   ipv4_ttl;
+       __u8   pad[2];
+};
+
 /**
  * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
  * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
@@ -439,8 +459,8 @@ enum ovs_userspace_attr {
 /**
  * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
  * @vlan_tpid: Tag protocol identifier (TPID) to push.
- * @vlan_tci: Tag control identifier (TCI) to push.  The CFI bit must not be
- * set.
+ * @vlan_tci: Tag control identifier (TCI) to push.  The CFI bit must be set
+ * (but it will not be set in the 802.1Q header that is pushed).
  *
  * The @vlan_tpid value is typically %ETH_P_8021Q.  The only acceptable TPID
  * values are those that the kernel module also parses as 802.1Q headers, to