#include <linux/skbuff.h>
#include <linux/in.h>
#include <linux/ip.h>
+#include <linux/openvswitch.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/in6.h>
#include "actions.h"
#include "checksum.h"
#include "datapath.h"
-#include "openvswitch/datapath-protocol.h"
#include "vlan.h"
#include "vport.h"
#include <linux/netfilter_ipv4.h>
#include <linux/inetdevice.h>
#include <linux/list.h>
+#include <linux/openvswitch.h>
#include <linux/rculist.h>
#include <linux/dmi.h>
#include <net/inet_ecn.h>
#include <net/genetlink.h>
-#include "openvswitch/datapath-protocol.h"
#include "checksum.h"
#include "datapath.h"
#include "actions.h"
#include <linux/kernel.h>
#include <linux/netlink.h>
+#include <linux/openvswitch.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/rcupdate.h>
#include <linux/jiffies.h>
#include <linux/time.h>
#include <linux/flex_array.h>
-#include "openvswitch/datapath-protocol.h"
struct sk_buff;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
#include <linux/mutex.h>
+#include <linux/openvswitch.h>
#include "openvswitch/datapath-compat.h"
-#include "openvswitch/datapath-protocol.h"
static DEFINE_MUTEX(mc_group_mutex);
#define VPORT_H 1
#include <linux/list.h>
+#include <linux/openvswitch.h>
#include <linux/seqlock.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include "datapath.h"
-#include "openvswitch/datapath-protocol.h"
struct vport;
struct vport_parms;
-noinst_HEADERS += include/linux/types.h
+noinst_HEADERS += \
+ include/linux/openvswitch.h \
+ include/linux/types.h
--- /dev/null
+/*
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------
+ * 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.
+ * ----------------------------------------------------------------------
+ */
+
+#ifndef _LINUX_OPENVSWITCH_H
+#define _LINUX_OPENVSWITCH_H 1
+
+#include <linux/types.h>
+
+/* datapaths. */
+
+#define OVS_DATAPATH_FAMILY "ovs_datapath"
+#define OVS_DATAPATH_MCGROUP "ovs_datapath"
+
+enum ovs_datapath_cmd {
+ OVS_DP_CMD_UNSPEC,
+ OVS_DP_CMD_NEW,
+ OVS_DP_CMD_DEL,
+ OVS_DP_CMD_GET,
+ OVS_DP_CMD_SET
+};
+
+/**
+ * struct ovs_header - header for OVS Generic Netlink messages.
+ * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
+ * specific to a datapath).
+ *
+ * Attributes following the header are specific to a particular OVS Generic
+ * Netlink family, but all of the OVS families use this header.
+ */
+struct ovs_header {
+ int dp_ifindex;
+};
+\f
+/**
+ * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
+ * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
+ * port". This is the name of the network device whose dp_ifindex is given in
+ * the &struct ovs_header. Always present in notifications. Required in
+ * %OVS_DP_NEW requests. May be used as an alternative to specifying
+ * dp_ifindex in other requests (with a dp_ifindex of 0).
+ * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
+ * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
+ * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
+ * not be sent.
+ * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
+ * datapath. Always present in notifications.
+ * @OVS_DP_ATTR_IPV4_FRAGS: One of %OVS_DP_FRAG_*. Always present in
+ * notifications. May be included in %OVS_DP_NEW or %OVS_DP_SET requests to
+ * change the fragment handling policy.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_DP_* commands.
+ */
+enum ovs_datapath_attr {
+ OVS_DP_ATTR_UNSPEC,
+ OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
+ OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
+ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
+ OVS_DP_ATTR_IPV4_FRAGS, /* 32-bit enum ovs_datapath_frag */
+ __OVS_DP_ATTR_MAX
+};
+
+#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
+
+/**
+ * enum ovs_datapath_frag - policy for handling received IPv4 fragments.
+ * @OVS_DP_FRAG_ZERO: Treat IP fragments as IP protocol 0 and transport ports
+ * zero.
+ * @OVS_DP_FRAG_DROP: Drop IP fragments. Do not pass them through the flow
+ * table or up to userspace.
+ */
+enum ovs_datapath_frag {
+ OVS_DP_FRAG_UNSPEC,
+ OVS_DP_FRAG_ZERO, /* Treat IP fragments as transport port 0. */
+ OVS_DP_FRAG_DROP /* Drop IP fragments. */
+};
+
+struct ovs_dp_stats {
+ __u64 n_frags; /* Number of dropped IP fragments. */
+ __u64 n_hit; /* Number of flow table matches. */
+ __u64 n_missed; /* Number of flow table misses. */
+ __u64 n_lost; /* Number of misses not sent to userspace. */
+ __u64 n_flows; /* Number of flows present */
+};
+
+struct ovs_vport_stats {
+ __u64 rx_packets; /* total packets received */
+ __u64 tx_packets; /* total packets transmitted */
+ __u64 rx_bytes; /* total bytes received */
+ __u64 tx_bytes; /* total bytes transmitted */
+ __u64 rx_errors; /* bad packets received */
+ __u64 tx_errors; /* packet transmit problems */
+ __u64 rx_dropped; /* no space in linux buffers */
+ __u64 tx_dropped; /* no space available in linux */
+};
+
+/* Logical ports. */
+#define OVSP_LOCAL ((__u16)0)
+\f
+#define OVS_PACKET_FAMILY "ovs_packet"
+
+enum ovs_packet_cmd {
+ OVS_PACKET_CMD_UNSPEC,
+
+ /* Kernel-to-user notifications. */
+ OVS_PACKET_CMD_MISS, /* Flow table miss. */
+ OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
+
+ /* User commands. */
+ OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
+};
+
+/**
+ * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
+ * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
+ * packet as received, from the start of the Ethernet header onward. For
+ * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
+ * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
+ * the flow key extracted from the packet as originally received.
+ * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
+ * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
+ * userspace to adapt its flow setup strategy by comparing its notion of the
+ * flow key against the kernel's.
+ * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
+ * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
+ * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
+ * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
+ * %OVS_USERSPACE_ATTR_USERDATA attribute.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_PACKET_* commands.
+ */
+enum ovs_packet_attr {
+ OVS_PACKET_ATTR_UNSPEC,
+ OVS_PACKET_ATTR_PACKET, /* Packet data. */
+ OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
+ OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
+ OVS_PACKET_ATTR_USERDATA, /* u64 OVS_ACTION_ATTR_USERSPACE arg. */
+ __OVS_PACKET_ATTR_MAX
+};
+
+#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
+\f
+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_PATCH, /* virtual tunnel connecting two vports */
+ OVS_VPORT_TYPE_GRE, /* GRE tunnel */
+ OVS_VPORT_TYPE_CAPWAP, /* CAPWAP tunnel */
+ __OVS_VPORT_TYPE_MAX
+};
+
+#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
+\f
+#define OVS_VPORT_FAMILY "ovs_vport"
+#define OVS_VPORT_MCGROUP "ovs_vport"
+
+enum ovs_vport_cmd {
+ OVS_VPORT_CMD_UNSPEC,
+ OVS_VPORT_CMD_NEW,
+ OVS_VPORT_CMD_DEL,
+ OVS_VPORT_CMD_GET,
+ OVS_VPORT_CMD_SET
+};
+
+/**
+ * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
+ * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
+ * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
+ * of vport.
+ * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
+ * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
+ * plus a null terminator.
+ * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
+ * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
+ * this port. A value of zero indicates that upcalls should not be sent.
+ * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
+ * packets sent or received through the vport.
+ * @OVS_VPORT_ATTR_ADDRESS: A 6-byte Ethernet address for the vport.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_VPORT_* commands.
+ *
+ * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
+ * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
+ * optional; if not specified a free port number is automatically selected.
+ * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
+ * of vport. %OVS_VPORT_ATTR_STATS and %OVS_VPORT_ATTR_ADDRESS are optional,
+ * and other attributes are ignored.
+ *
+ * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
+ * look up the vport to operate on; otherwise dp_idx from the &struct
+ * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
+ */
+enum ovs_vport_attr {
+ OVS_VPORT_ATTR_UNSPEC,
+ OVS_VPORT_ATTR_PORT_NO, /* port number within datapath */
+ OVS_VPORT_ATTR_TYPE, /* 32-bit OVS_VPORT_TYPE_* constant. */
+ OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
+ OVS_VPORT_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
+ OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
+ OVS_VPORT_ATTR_ADDRESS, /* hardware address */
+ OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
+ __OVS_VPORT_ATTR_MAX
+};
+
+#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
+
+/* OVS_VPORT_ATTR_OPTIONS attributes for patch vports. */
+enum {
+ OVS_PATCH_ATTR_UNSPEC,
+ OVS_PATCH_ATTR_PEER, /* name of peer vport, as a string */
+ __OVS_PATCH_ATTR_MAX
+};
+
+#define OVS_PATCH_ATTR_MAX (__OVS_PATCH_ATTR_MAX - 1)
+\f
+/* Flows. */
+
+#define OVS_FLOW_FAMILY "ovs_flow"
+#define OVS_FLOW_MCGROUP "ovs_flow"
+
+enum ovs_flow_cmd {
+ OVS_FLOW_CMD_UNSPEC,
+ OVS_FLOW_CMD_NEW,
+ OVS_FLOW_CMD_DEL,
+ OVS_FLOW_CMD_GET,
+ OVS_FLOW_CMD_SET
+};
+
+struct ovs_flow_stats {
+ __u64 n_packets; /* Number of matched packets. */
+ __u64 n_bytes; /* Number of matched bytes. */
+};
+
+enum ovs_key_attr {
+ OVS_KEY_ATTR_UNSPEC,
+ OVS_KEY_ATTR_TUN_ID, /* 64-bit tunnel ID */
+ OVS_KEY_ATTR_IN_PORT, /* 32-bit OVS dp port number */
+ OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
+ OVS_KEY_ATTR_8021Q, /* struct ovs_key_8021q */
+ OVS_KEY_ATTR_ETHERTYPE, /* 16-bit Ethernet type */
+ OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
+ OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
+ OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
+ OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
+ OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
+ 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_MAX
+};
+
+#define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
+
+struct ovs_key_ethernet {
+ __u8 eth_src[6];
+ __u8 eth_dst[6];
+};
+
+struct ovs_key_8021q {
+ __be16 q_tpid;
+ __be16 q_tci;
+};
+
+struct ovs_key_ipv4 {
+ __be32 ipv4_src;
+ __be32 ipv4_dst;
+ __u8 ipv4_proto;
+ __u8 ipv4_tos;
+};
+
+struct ovs_key_ipv6 {
+ __be32 ipv6_src[4];
+ __be32 ipv6_dst[4];
+ __u8 ipv6_proto;
+ __u8 ipv6_tos;
+};
+
+struct ovs_key_tcp {
+ __be16 tcp_src;
+ __be16 tcp_dst;
+};
+
+struct ovs_key_udp {
+ __be16 udp_src;
+ __be16 udp_dst;
+};
+
+struct ovs_key_icmp {
+ __u8 icmp_type;
+ __u8 icmp_code;
+};
+
+struct ovs_key_icmpv6 {
+ __u8 icmpv6_type;
+ __u8 icmpv6_code;
+};
+
+struct ovs_key_arp {
+ __be32 arp_sip;
+ __be32 arp_tip;
+ __be16 arp_op;
+ __u8 arp_sha[6];
+ __u8 arp_tha[6];
+};
+
+struct ovs_key_nd {
+ __u32 nd_target[4];
+ __u8 nd_sll[6];
+ __u8 nd_tll[6];
+};
+
+/**
+ * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
+ * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
+ * key. Always present in notifications. Required for all requests (except
+ * dumps).
+ * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
+ * the actions to take for packets that match the key. Always present in
+ * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional
+ * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
+ * flow. Present in notifications if the stats would be nonzero. Ignored in
+ * requests.
+ * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
+ * TCP flags seen on packets in this flow. Only present in notifications for
+ * TCP flows, and only if it would be nonzero. Ignored in requests.
+ * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
+ * the system monotonic clock, at which a packet was last processed for this
+ * flow. Only present in notifications if a packet has been processed for this
+ * flow. Ignored in requests.
+ * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
+ * last-used time, accumulated TCP flags, and statistics for this flow.
+ * Otherwise ignored in requests. Never present in notifications.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_FLOW_* commands.
+ */
+enum ovs_flow_attr {
+ OVS_FLOW_ATTR_UNSPEC,
+ OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
+ OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
+ OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
+ OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
+ OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
+ OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
+ __OVS_FLOW_ATTR_MAX
+};
+
+#define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
+
+/**
+ * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
+ * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
+ * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
+ * %UINT32_MAX samples all packets and intermediate values sample intermediate
+ * fractions of packets.
+ * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
+ * Actions are passed as nested attributes.
+ *
+ * Executes the specified actions with the given probability on a per-packet
+ * basis.
+ */
+enum ovs_sample_attr {
+ OVS_SAMPLE_ATTR_UNSPEC,
+ OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
+ OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
+ __OVS_SAMPLE_ATTR_MAX,
+};
+
+#define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
+
+/**
+ * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
+ * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
+ * message should be sent. Required.
+ * @OVS_USERSPACE_ATTR_USERDATA: If present, its u64 argument is copied to the
+ * %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA,
+ */
+enum ovs_userspace_attr {
+ OVS_USERSPACE_ATTR_UNSPEC,
+ OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
+ OVS_USERSPACE_ATTR_USERDATA, /* u64 optional user-specified cookie. */
+ __OVS_USERSPACE_ATTR_MAX
+};
+
+#define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
+
+/* Action types. */
+enum ovs_action_attr {
+ OVS_ACTION_ATTR_UNSPEC,
+ OVS_ACTION_ATTR_OUTPUT, /* Output to switch port. */
+ OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */
+ OVS_ACTION_ATTR_PUSH_VLAN, /* Set the 802.1q TCI value. */
+ OVS_ACTION_ATTR_POP_VLAN, /* Strip the 802.1q header. */
+ OVS_ACTION_ATTR_SET_DL_SRC, /* Ethernet source address. */
+ OVS_ACTION_ATTR_SET_DL_DST, /* Ethernet destination address. */
+ OVS_ACTION_ATTR_SET_NW_SRC, /* IPv4 source address. */
+ OVS_ACTION_ATTR_SET_NW_DST, /* IPv4 destination address. */
+ OVS_ACTION_ATTR_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
+ OVS_ACTION_ATTR_SET_TP_SRC, /* TCP/UDP source port. */
+ OVS_ACTION_ATTR_SET_TP_DST, /* TCP/UDP destination port. */
+ OVS_ACTION_ATTR_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
+ OVS_ACTION_ATTR_SET_PRIORITY, /* Set skb->priority. */
+ OVS_ACTION_ATTR_POP_PRIORITY, /* Restore original skb->priority. */
+ OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */
+ __OVS_ACTION_ATTR_MAX
+};
+
+#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
+
+#endif /* _LINUX_OPENVSWITCH_H */
/* On Linux, this header file just includes <linux/types.h>.
*
* On other platforms, this header file implements just enough of
- * <linux/types.h> to allow datapath-protocol.h to work, that is, it defines
+ * <linux/types.h> to allow <linux/openvswitch.h> to work, that is, it defines
* the __u<N> and __be<N> types. */
#if __KERNEL__ || HAVE_LINUX_TYPES_H
noinst_HEADERS += \
include/openvswitch/brcompat-netlink.h \
include/openvswitch/datapath-compat.h \
- include/openvswitch/datapath-protocol.h \
include/openvswitch/tunnel.h \
include/openvswitch/types.h
+++ /dev/null
-/*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
- *
- * 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.
- *
- * ----------------------------------------------------------------------
- * 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.
- * ----------------------------------------------------------------------
- */
-
-#ifndef OPENVSWITCH_DATAPATH_PROTOCOL_H
-#define OPENVSWITCH_DATAPATH_PROTOCOL_H 1
-
-#include <linux/types.h>
-
-/* datapaths. */
-
-#define OVS_DATAPATH_FAMILY "ovs_datapath"
-#define OVS_DATAPATH_MCGROUP "ovs_datapath"
-
-enum ovs_datapath_cmd {
- OVS_DP_CMD_UNSPEC,
- OVS_DP_CMD_NEW,
- OVS_DP_CMD_DEL,
- OVS_DP_CMD_GET,
- OVS_DP_CMD_SET
-};
-
-/**
- * struct ovs_header - header for OVS Generic Netlink messages.
- * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
- * specific to a datapath).
- *
- * Attributes following the header are specific to a particular OVS Generic
- * Netlink family, but all of the OVS families use this header.
- */
-struct ovs_header {
- int dp_ifindex;
-};
-\f
-/**
- * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
- * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
- * port". This is the name of the network device whose dp_ifindex is given in
- * the &struct ovs_header. Always present in notifications. Required in
- * %OVS_DP_NEW requests. May be used as an alternative to specifying
- * dp_ifindex in other requests (with a dp_ifindex of 0).
- * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
- * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
- * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
- * not be sent.
- * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
- * datapath. Always present in notifications.
- * @OVS_DP_ATTR_IPV4_FRAGS: One of %OVS_DP_FRAG_*. Always present in
- * notifications. May be included in %OVS_DP_NEW or %OVS_DP_SET requests to
- * change the fragment handling policy.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_DP_* commands.
- */
-enum ovs_datapath_attr {
- OVS_DP_ATTR_UNSPEC,
- OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
- OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
- OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
- OVS_DP_ATTR_IPV4_FRAGS, /* 32-bit enum ovs_datapath_frag */
- __OVS_DP_ATTR_MAX
-};
-
-#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
-
-/**
- * enum ovs_datapath_frag - policy for handling received IPv4 fragments.
- * @OVS_DP_FRAG_ZERO: Treat IP fragments as IP protocol 0 and transport ports
- * zero.
- * @OVS_DP_FRAG_DROP: Drop IP fragments. Do not pass them through the flow
- * table or up to userspace.
- */
-enum ovs_datapath_frag {
- OVS_DP_FRAG_UNSPEC,
- OVS_DP_FRAG_ZERO, /* Treat IP fragments as transport port 0. */
- OVS_DP_FRAG_DROP /* Drop IP fragments. */
-};
-
-struct ovs_dp_stats {
- __u64 n_frags; /* Number of dropped IP fragments. */
- __u64 n_hit; /* Number of flow table matches. */
- __u64 n_missed; /* Number of flow table misses. */
- __u64 n_lost; /* Number of misses not sent to userspace. */
- __u64 n_flows; /* Number of flows present */
-};
-
-struct ovs_vport_stats {
- __u64 rx_packets; /* total packets received */
- __u64 tx_packets; /* total packets transmitted */
- __u64 rx_bytes; /* total bytes received */
- __u64 tx_bytes; /* total bytes transmitted */
- __u64 rx_errors; /* bad packets received */
- __u64 tx_errors; /* packet transmit problems */
- __u64 rx_dropped; /* no space in linux buffers */
- __u64 tx_dropped; /* no space available in linux */
-};
-
-/* Logical ports. */
-#define OVSP_LOCAL ((__u16)0)
-\f
-#define OVS_PACKET_FAMILY "ovs_packet"
-
-enum ovs_packet_cmd {
- OVS_PACKET_CMD_UNSPEC,
-
- /* Kernel-to-user notifications. */
- OVS_PACKET_CMD_MISS, /* Flow table miss. */
- OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
-
- /* User commands. */
- OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
-};
-
-/**
- * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
- * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
- * packet as received, from the start of the Ethernet header onward. For
- * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
- * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
- * the flow key extracted from the packet as originally received.
- * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
- * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
- * userspace to adapt its flow setup strategy by comparing its notion of the
- * flow key against the kernel's.
- * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
- * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
- * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
- * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
- * %OVS_USERSPACE_ATTR_USERDATA attribute.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_PACKET_* commands.
- */
-enum ovs_packet_attr {
- OVS_PACKET_ATTR_UNSPEC,
- OVS_PACKET_ATTR_PACKET, /* Packet data. */
- OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
- OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
- OVS_PACKET_ATTR_USERDATA, /* u64 OVS_ACTION_ATTR_USERSPACE arg. */
- __OVS_PACKET_ATTR_MAX
-};
-
-#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
-\f
-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_PATCH, /* virtual tunnel connecting two vports */
- OVS_VPORT_TYPE_GRE, /* GRE tunnel */
- OVS_VPORT_TYPE_CAPWAP, /* CAPWAP tunnel */
- __OVS_VPORT_TYPE_MAX
-};
-
-#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
-\f
-#define OVS_VPORT_FAMILY "ovs_vport"
-#define OVS_VPORT_MCGROUP "ovs_vport"
-
-enum ovs_vport_cmd {
- OVS_VPORT_CMD_UNSPEC,
- OVS_VPORT_CMD_NEW,
- OVS_VPORT_CMD_DEL,
- OVS_VPORT_CMD_GET,
- OVS_VPORT_CMD_SET
-};
-
-/**
- * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
- * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
- * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
- * of vport.
- * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
- * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
- * plus a null terminator.
- * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
- * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
- * this port. A value of zero indicates that upcalls should not be sent.
- * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
- * packets sent or received through the vport.
- * @OVS_VPORT_ATTR_ADDRESS: A 6-byte Ethernet address for the vport.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_VPORT_* commands.
- *
- * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
- * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
- * optional; if not specified a free port number is automatically selected.
- * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
- * of vport. %OVS_VPORT_ATTR_STATS and %OVS_VPORT_ATTR_ADDRESS are optional,
- * and other attributes are ignored.
- *
- * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
- * look up the vport to operate on; otherwise dp_idx from the &struct
- * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
- */
-enum ovs_vport_attr {
- OVS_VPORT_ATTR_UNSPEC,
- OVS_VPORT_ATTR_PORT_NO, /* port number within datapath */
- OVS_VPORT_ATTR_TYPE, /* 32-bit OVS_VPORT_TYPE_* constant. */
- OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
- OVS_VPORT_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
- OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
- OVS_VPORT_ATTR_ADDRESS, /* hardware address */
- OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
- __OVS_VPORT_ATTR_MAX
-};
-
-#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
-
-/* OVS_VPORT_ATTR_OPTIONS attributes for patch vports. */
-enum {
- OVS_PATCH_ATTR_UNSPEC,
- OVS_PATCH_ATTR_PEER, /* name of peer vport, as a string */
- __OVS_PATCH_ATTR_MAX
-};
-
-#define OVS_PATCH_ATTR_MAX (__OVS_PATCH_ATTR_MAX - 1)
-\f
-/* Flows. */
-
-#define OVS_FLOW_FAMILY "ovs_flow"
-#define OVS_FLOW_MCGROUP "ovs_flow"
-
-enum ovs_flow_cmd {
- OVS_FLOW_CMD_UNSPEC,
- OVS_FLOW_CMD_NEW,
- OVS_FLOW_CMD_DEL,
- OVS_FLOW_CMD_GET,
- OVS_FLOW_CMD_SET
-};
-
-struct ovs_flow_stats {
- __u64 n_packets; /* Number of matched packets. */
- __u64 n_bytes; /* Number of matched bytes. */
-};
-
-enum ovs_key_attr {
- OVS_KEY_ATTR_UNSPEC,
- OVS_KEY_ATTR_TUN_ID, /* 64-bit tunnel ID */
- OVS_KEY_ATTR_IN_PORT, /* 32-bit OVS dp port number */
- OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
- OVS_KEY_ATTR_8021Q, /* struct ovs_key_8021q */
- OVS_KEY_ATTR_ETHERTYPE, /* 16-bit Ethernet type */
- OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
- OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
- OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
- OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
- OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
- 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_MAX
-};
-
-#define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
-
-struct ovs_key_ethernet {
- __u8 eth_src[6];
- __u8 eth_dst[6];
-};
-
-struct ovs_key_8021q {
- __be16 q_tpid;
- __be16 q_tci;
-};
-
-struct ovs_key_ipv4 {
- __be32 ipv4_src;
- __be32 ipv4_dst;
- __u8 ipv4_proto;
- __u8 ipv4_tos;
-};
-
-struct ovs_key_ipv6 {
- __be32 ipv6_src[4];
- __be32 ipv6_dst[4];
- __u8 ipv6_proto;
- __u8 ipv6_tos;
-};
-
-struct ovs_key_tcp {
- __be16 tcp_src;
- __be16 tcp_dst;
-};
-
-struct ovs_key_udp {
- __be16 udp_src;
- __be16 udp_dst;
-};
-
-struct ovs_key_icmp {
- __u8 icmp_type;
- __u8 icmp_code;
-};
-
-struct ovs_key_icmpv6 {
- __u8 icmpv6_type;
- __u8 icmpv6_code;
-};
-
-struct ovs_key_arp {
- __be32 arp_sip;
- __be32 arp_tip;
- __be16 arp_op;
- __u8 arp_sha[6];
- __u8 arp_tha[6];
-};
-
-struct ovs_key_nd {
- __u32 nd_target[4];
- __u8 nd_sll[6];
- __u8 nd_tll[6];
-};
-
-/**
- * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
- * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
- * key. Always present in notifications. Required for all requests (except
- * dumps).
- * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
- * the actions to take for packets that match the key. Always present in
- * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional
- * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
- * flow. Present in notifications if the stats would be nonzero. Ignored in
- * requests.
- * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
- * TCP flags seen on packets in this flow. Only present in notifications for
- * TCP flows, and only if it would be nonzero. Ignored in requests.
- * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
- * the system monotonic clock, at which a packet was last processed for this
- * flow. Only present in notifications if a packet has been processed for this
- * flow. Ignored in requests.
- * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
- * last-used time, accumulated TCP flags, and statistics for this flow.
- * Otherwise ignored in requests. Never present in notifications.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_FLOW_* commands.
- */
-enum ovs_flow_attr {
- OVS_FLOW_ATTR_UNSPEC,
- OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
- OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
- OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
- OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
- OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
- OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
- __OVS_FLOW_ATTR_MAX
-};
-
-#define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
-
-/**
- * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
- * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
- * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
- * %UINT32_MAX samples all packets and intermediate values sample intermediate
- * fractions of packets.
- * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
- * Actions are passed as nested attributes.
- *
- * Executes the specified actions with the given probability on a per-packet
- * basis.
- */
-enum ovs_sample_attr {
- OVS_SAMPLE_ATTR_UNSPEC,
- OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
- OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
- __OVS_SAMPLE_ATTR_MAX,
-};
-
-#define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
-
-/**
- * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
- * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
- * message should be sent. Required.
- * @OVS_USERSPACE_ATTR_USERDATA: If present, its u64 argument is copied to the
- * %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA,
- */
-enum ovs_userspace_attr {
- OVS_USERSPACE_ATTR_UNSPEC,
- OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
- OVS_USERSPACE_ATTR_USERDATA, /* u64 optional user-specified cookie. */
- __OVS_USERSPACE_ATTR_MAX
-};
-
-#define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
-
-/* Action types. */
-enum ovs_action_attr {
- OVS_ACTION_ATTR_UNSPEC,
- OVS_ACTION_ATTR_OUTPUT, /* Output to switch port. */
- OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */
- OVS_ACTION_ATTR_PUSH_VLAN, /* Set the 802.1q TCI value. */
- OVS_ACTION_ATTR_POP_VLAN, /* Strip the 802.1q header. */
- OVS_ACTION_ATTR_SET_DL_SRC, /* Ethernet source address. */
- OVS_ACTION_ATTR_SET_DL_DST, /* Ethernet destination address. */
- OVS_ACTION_ATTR_SET_NW_SRC, /* IPv4 source address. */
- OVS_ACTION_ATTR_SET_NW_DST, /* IPv4 destination address. */
- OVS_ACTION_ATTR_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
- OVS_ACTION_ATTR_SET_TP_SRC, /* TCP/UDP source port. */
- OVS_ACTION_ATTR_SET_TP_DST, /* TCP/UDP destination port. */
- OVS_ACTION_ATTR_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
- OVS_ACTION_ATTR_SET_PRIORITY, /* Set skb->priority. */
- OVS_ACTION_ATTR_POP_PRIORITY, /* Restore original skb->priority. */
- OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */
- __OVS_ACTION_ATTR_MAX
-};
-
-#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
-
-#endif /* openvswitch/datapath-protocol.h */
#define OPENVSWITCH_TUNNEL_H 1
#include <linux/types.h>
-#include "openvswitch/datapath-protocol.h"
+#include <linux/openvswitch.h>
/* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
*
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
-#include "openvswitch/datapath-protocol.h"
+#include <linux/openvswitch.h>
struct ofpbuf;
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
+#include <linux/openvswitch.h>
#include "openflow/openflow.h"
-#include "openvswitch/datapath-protocol.h"
#include "netdev.h"
#include "util.h"
#include <errno.h>
#include <fcntl.h>
#include <sys/socket.h>
+#include <linux/openvswitch.h>
#include <linux/rtnetlink.h>
#include <net/if.h>
#include <sys/ioctl.h>
#include "netlink-notifier.h"
#include "netlink-socket.h"
#include "ofpbuf.h"
-#include "openvswitch/datapath-protocol.h"
#include "openvswitch/tunnel.h"
#include "packets.h"
#include "route-table.h"
#include <stddef.h>
#include <stdint.h>
#include <string.h>
+#include <linux/openvswitch.h>
#include "hash.h"
#include "openflow/openflow.h"
-#include "openvswitch/datapath-protocol.h"
#include "util.h"
struct ds;
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