/*
* Copyright (c) 2009 Nicira Networks.
*
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * 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
+ * given below. You may license your modifications to this file under either
+ * of these licenses or both. If you wish to license your modifications under
+ * only one of these licenses, delete the permission text for the other
+ * license.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * ----------------------------------------------------------------------
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * 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 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.
+ * ----------------------------------------------------------------------
*/
-/* Protocol between secchan and datapath. */
+/* Protocol between userspace and kernel datapath. */
#ifndef OPENVSWITCH_DATAPATH_PROTOCOL_H
#define OPENVSWITCH_DATAPATH_PROTOCOL_H 1
#define ODP_PORT_GROUP_GET _IOWR('O', 12, struct odp_port_group)
#define ODP_FLOW_GET _IOWR('O', 13, struct odp_flow)
-#define ODP_FLOW_GET_MULTIPLE _IOWR('O', 14, struct odp_flowvec)
+#define ODP_FLOW_PUT _IOWR('O', 14, struct odp_flow)
#define ODP_FLOW_LIST _IOWR('O', 15, struct odp_flowvec)
-
#define ODP_FLOW_FLUSH _IO('O', 16)
-#define ODP_FLOW_PUT _IOWR('O', 17, struct odp_flow)
-#define ODP_FLOW_DEL _IOWR('O', 18, struct odp_flow)
+#define ODP_FLOW_DEL _IOWR('O', 17, struct odp_flow)
-#define ODP_EXECUTE _IOR('O', 19, struct odp_execute)
+#define ODP_EXECUTE _IOR('O', 18, struct odp_execute)
struct odp_stats {
/* Flows. */
__u32 used_nsec;
__u8 tcp_flags;
__u8 ip_tos;
- __u16 reserved;
+ __u16 error; /* Used by ODP_FLOW_GET. */
};
struct odp_flow_key {
- __be32 nw_src; /* IP source address. */
- __be32 nw_dst; /* IP destination address. */
- __u16 in_port; /* Input switch port. */
- __be16 dl_vlan; /* Input VLAN. */
- __be16 dl_type; /* Ethernet frame type. */
- __be16 tp_src; /* TCP/UDP source port. */
- __be16 tp_dst; /* TCP/UDP destination port. */
- __u8 dl_src[ETH_ALEN]; /* Ethernet source address. */
- __u8 dl_dst[ETH_ALEN]; /* Ethernet destination address. */
- __u8 nw_proto; /* IP protocol. */
- __u8 reserved; /* Pad to 64 bits. */
+ __be32 nw_src; /* IP source address. */
+ __be32 nw_dst; /* IP destination address. */
+ __u16 in_port; /* Input switch port. */
+ __be16 dl_vlan; /* Input VLAN. */
+ __be16 dl_type; /* Ethernet frame type. */
+ __be16 tp_src; /* TCP/UDP source port. */
+ __be16 tp_dst; /* TCP/UDP destination port. */
+ __u8 dl_src[ETH_ALEN]; /* Ethernet source address. */
+ __u8 dl_dst[ETH_ALEN]; /* Ethernet destination address. */
+ __u8 nw_proto; /* IP protocol or lower 8 bits of
+ ARP opcode. */
+ __u8 dl_vlan_pcp; /* Input VLAN priority. */
};
+/* Flags for ODP_FLOW. */
+#define ODPFF_ZERO_TCP_FLAGS (1 << 0) /* Zero the TCP flags. */
+
struct odp_flow {
struct odp_flow_stats stats;
struct odp_flow_key key;
union odp_action *actions;
__u32 n_actions;
+ __u32 flags;
};
/* Flags for ODP_FLOW_PUT. */
#define ODPAT_SET_DL_DST 7 /* Ethernet destination address. */
#define ODPAT_SET_NW_SRC 8 /* IP source address. */
#define ODPAT_SET_NW_DST 9 /* IP destination address. */
-#define ODPAT_SET_TP_SRC 10 /* TCP/UDP source port. */
-#define ODPAT_SET_TP_DST 11 /* TCP/UDP destination port. */
-#define ODPAT_N_ACTIONS 12
+#define ODPAT_SET_NW_TOS 10 /* IP ToS/DSCP field (6 bits). */
+#define ODPAT_SET_TP_SRC 11 /* TCP/UDP source port. */
+#define ODPAT_SET_TP_DST 12 /* TCP/UDP destination port. */
+#define ODPAT_N_ACTIONS 13
struct odp_action_output {
__u16 type; /* ODPAT_OUTPUT. */
__be32 nw_addr; /* IP address. */
};
+struct odp_action_nw_tos {
+ __u16 type; /* ODPAT_SET_NW_TOS. */
+ __u8 nw_tos; /* IP ToS/DSCP field (6 bits). */
+ __u8 reserved1;
+ __u16 reserved2;
+ __u16 reserved3;
+};
+
/* Action structure for ODPAT_SET_TP_SRC/DST. */
struct odp_action_tp_port {
__u16 type; /* ODPAT_SET_TP_SRC/DST. */
struct odp_action_vlan_pcp vlan_pcp;
struct odp_action_dl_addr dl_addr;
struct odp_action_nw_addr nw_addr;
+ struct odp_action_nw_tos nw_tos;
struct odp_action_tp_port tp_port;
};