sparse: Add support for DPDK.

This allows netdev-dpdk.c to compile cleanly with sparse.

Signed-off-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>

10 files changed, 2772 insertions, 0 deletions

diff --git a/include/sparse/automake.mk b/include/sparse/automake.mk
index ce445fab1..79ce0b7d9 100644
--- a/include/sparse/automake.mk
+++ b/include/sparse/automake.mk
@@ -1,4 +1,13 @@
 noinst_HEADERS += \
+        include/sparse/rte_byteorder.h \
+        include/sparse/rte_esp.h \
+        include/sparse/rte_flow.h \
+        include/sparse/rte_icmp.h \
+        include/sparse/rte_ip.h \
+        include/sparse/rte_sctp.h \
+        include/sparse/rte_tcp.h \
+        include/sparse/rte_udp.h \
+        include/sparse/xmmintrin.h \
         include/sparse/arpa/inet.h \
         include/sparse/bits/floatn.h \
         include/sparse/assert.h \
diff --git a/include/sparse/rte_byteorder.h b/include/sparse/rte_byteorder.h
new file mode 100644
index 000000000..d32b5e691
--- /dev/null
+++ b/include/sparse/rte_byteorder.h
@@ -0,0 +1,281 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_BYTEORDER_H_
+#define _RTE_BYTEORDER_H_
+
+/**
+ * @file
+ *
+ * Byte Swap Operations
+ *
+ * This file defines a generic API for byte swap operations. Part of
+ * the implementation is architecture-specific.
+ */
+
+#include "openvswitch/types.h"
+#include <stdint.h>
+#ifdef RTE_EXEC_ENV_BSDAPP
+#include <sys/endian.h>
+#else
+#include <endian.h>
+#endif
+
+#include <rte_common.h>
+#include <rte_config.h>
+
+/*
+ * Compile-time endianness detection
+ */
+#define RTE_BIG_ENDIAN    1
+#define RTE_LITTLE_ENDIAN 2
+#if defined __BYTE_ORDER__
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
+#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
+#endif /* __BYTE_ORDER__ */
+#elif defined __BYTE_ORDER
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
+#endif /* __BYTE_ORDER */
+#elif defined __BIG_ENDIAN__
+#define RTE_BYTE_ORDER RTE_BIG_ENDIAN
+#elif defined __LITTLE_ENDIAN__
+#define RTE_BYTE_ORDER RTE_LITTLE_ENDIAN
+#endif
+#if !defined(RTE_BYTE_ORDER)
+#error Unknown endianness.
+#endif
+
+#define RTE_STATIC_BSWAP16(v) \
+	((((uint16_t)(v) & UINT16_C(0x00ff)) << 8) | \
+	 (((uint16_t)(v) & UINT16_C(0xff00)) >> 8))
+
+#define RTE_STATIC_BSWAP32(v) \
+	((((uint32_t)(v) & UINT32_C(0x000000ff)) << 24) | \
+	 (((uint32_t)(v) & UINT32_C(0x0000ff00)) <<  8) | \
+	 (((uint32_t)(v) & UINT32_C(0x00ff0000)) >>  8) | \
+	 (((uint32_t)(v) & UINT32_C(0xff000000)) >> 24))
+
+#define RTE_STATIC_BSWAP64(v) \
+	((((uint64_t)(v) & UINT64_C(0x00000000000000ff)) << 56) | \
+	 (((uint64_t)(v) & UINT64_C(0x000000000000ff00)) << 40) | \
+	 (((uint64_t)(v) & UINT64_C(0x0000000000ff0000)) << 24) | \
+	 (((uint64_t)(v) & UINT64_C(0x00000000ff000000)) <<  8) | \
+	 (((uint64_t)(v) & UINT64_C(0x000000ff00000000)) >>  8) | \
+	 (((uint64_t)(v) & UINT64_C(0x0000ff0000000000)) >> 24) | \
+	 (((uint64_t)(v) & UINT64_C(0x00ff000000000000)) >> 40) | \
+	 (((uint64_t)(v) & UINT64_C(0xff00000000000000)) >> 56))
+
+/*
+ * These macros are functionally similar to rte_cpu_to_(be|le)(16|32|64)(),
+ * they take values in host CPU order and return them converted to the
+ * intended endianness.
+ *
+ * They resolve at compilation time to integer constants which can safely be
+ * used with static initializers, since those cannot involve function calls.
+ *
+ * On the other hand, they are not as optimized as their rte_cpu_to_*()
+ * counterparts, therefore applications should refrain from using them on
+ * variable values, particularly inside performance-sensitive code.
+ */
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+#define RTE_BE16(v) (OVS_FORCE rte_be16_t)(v)
+#define RTE_BE32(v) (OVS_FORCE rte_be32_t)(v)
+#define RTE_BE64(v) (OVS_FORCE rte_be64_t)(v)
+#define RTE_LE16(v) (OVS_FORCE rte_le16_t)(RTE_STATIC_BSWAP16(v))
+#define RTE_LE32(v) (OVS_FORCE rte_le32_t)(RTE_STATIC_BSWAP32(v))
+#define RTE_LE64(v) (OVS_FORCE rte_le64_t)(RTE_STATIC_BSWAP64(v))
+#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
+#define RTE_BE16(v) (OVS_FORCE rte_be16_t)(RTE_STATIC_BSWAP16(v))
+#define RTE_BE32(v) (OVS_FORCE rte_be32_t)(RTE_STATIC_BSWAP32(v))
+#define RTE_BE64(v) (OVS_FORCE rte_be64_t)(RTE_STATIC_BSWAP64(v))
+#define RTE_LE16(v) (OVS_FORCE rte_be16_t)(v)
+#define RTE_LE32(v) (OVS_FORCE rte_be32_t)(v)
+#define RTE_LE64(v) (OVS_FORCE rte_be64_t)(v)
+#else
+#error Unsupported endianness.
+#endif
+
+/*
+ * The following types should be used when handling values according to a
+ * specific byte ordering, which may differ from that of the host CPU.
+ *
+ * Libraries, public APIs and applications are encouraged to use them for
+ * documentation purposes.
+ */
+typedef ovs_be16 rte_be16_t; /**< 16-bit big-endian value. */
+typedef ovs_be32 rte_be32_t; /**< 32-bit big-endian value. */
+typedef ovs_be64 rte_be64_t; /**< 64-bit big-endian value. */
+typedef uint16_t rte_le16_t; /**< 16-bit little-endian value. */
+typedef uint32_t rte_le32_t; /**< 32-bit little-endian value. */
+typedef uint64_t rte_le64_t; /**< 64-bit little-endian value. */
+
+/*
+ * An internal function to swap bytes in a 16-bit value.
+ *
+ * It is used by rte_bswap16() when the value is constant. Do not use
+ * this function directly; rte_bswap16() is preferred.
+ */
+static inline uint16_t
+rte_constant_bswap16(uint16_t x)
+{
+	return RTE_STATIC_BSWAP16(x);
+}
+
+/*
+ * An internal function to swap bytes in a 32-bit value.
+ *
+ * It is used by rte_bswap32() when the value is constant. Do not use
+ * this function directly; rte_bswap32() is preferred.
+ */
+static inline uint32_t
+rte_constant_bswap32(uint32_t x)
+{
+	return RTE_STATIC_BSWAP32(x);
+}
+
+/*
+ * An internal function to swap bytes of a 64-bit value.
+ *
+ * It is used by rte_bswap64() when the value is constant. Do not use
+ * this function directly; rte_bswap64() is preferred.
+ */
+static inline uint64_t
+rte_constant_bswap64(uint64_t x)
+{
+	return RTE_STATIC_BSWAP64(x);
+}
+
+
+#ifdef __DOXYGEN__
+
+/**
+ * Swap bytes in a 16-bit value.
+ */
+static uint16_t rte_bswap16(uint16_t _x);
+
+/**
+ * Swap bytes in a 32-bit value.
+ */
+static uint32_t rte_bswap32(uint32_t x);
+
+/**
+ * Swap bytes in a 64-bit value.
+ */
+static uint64_t rte_bswap64(uint64_t x);
+
+/**
+ * Convert a 16-bit value from CPU order to little endian.
+ */
+static rte_le16_t rte_cpu_to_le_16(uint16_t x);
+
+/**
+ * Convert a 32-bit value from CPU order to little endian.
+ */
+static rte_le32_t rte_cpu_to_le_32(uint32_t x);
+
+/**
+ * Convert a 64-bit value from CPU order to little endian.
+ */
+static rte_le64_t rte_cpu_to_le_64(uint64_t x);
+
+
+/**
+ * Convert a 16-bit value from CPU order to big endian.
+ */
+static rte_be16_t rte_cpu_to_be_16(uint16_t x);
+
+/**
+ * Convert a 32-bit value from CPU order to big endian.
+ */
+static rte_be32_t rte_cpu_to_be_32(uint32_t x);
+
+/**
+ * Convert a 64-bit value from CPU order to big endian.
+ */
+static rte_be64_t rte_cpu_to_be_64(uint64_t x);
+
+
+/**
+ * Convert a 16-bit value from little endian to CPU order.
+ */
+static uint16_t rte_le_to_cpu_16(rte_le16_t x);
+
+/**
+ * Convert a 32-bit value from little endian to CPU order.
+ */
+static uint32_t rte_le_to_cpu_32(rte_le32_t x);
+
+/**
+ * Convert a 64-bit value from little endian to CPU order.
+ */
+static uint64_t rte_le_to_cpu_64(rte_le64_t x);
+
+
+/**
+ * Convert a 16-bit value from big endian to CPU order.
+ */
+static uint16_t rte_be_to_cpu_16(rte_be16_t x);
+
+/**
+ * Convert a 32-bit value from big endian to CPU order.
+ */
+static uint32_t rte_be_to_cpu_32(rte_be32_t x);
+
+/**
+ * Convert a 64-bit value from big endian to CPU order.
+ */
+static uint64_t rte_be_to_cpu_64(rte_be64_t x);
+
+#endif /* __DOXYGEN__ */
+
+#ifdef RTE_FORCE_INTRINSICS
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+#define rte_bswap16(x) __builtin_bswap16(x)
+#endif
+
+#define rte_bswap32(x) __builtin_bswap32(x)
+
+#define rte_bswap64(x) __builtin_bswap64(x)
+
+#endif
+
+#endif /* _RTE_BYTEORDER_H_ */
diff --git a/include/sparse/rte_esp.h b/include/sparse/rte_esp.h
new file mode 100644
index 000000000..d3fc19e32
--- /dev/null
+++ b/include/sparse/rte_esp.h
@@ -0,0 +1,65 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_ESP_H_
+#define _RTE_ESP_H_
+
+/**
+ * @file
+ *
+ * ESP-related defines
+ */
+
+#include "openvswitch/types.h"
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * ESP Header
+ */
+struct esp_hdr {
+	ovs_be32 spi;  /**< Security Parameters Index */
+	ovs_be32 seq;  /**< packet sequence number */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_ESP_H_ */
diff --git a/include/sparse/rte_flow.h b/include/sparse/rte_flow.h
new file mode 100644
index 000000000..a36ab45e7
--- /dev/null
+++ b/include/sparse/rte_flow.h
@@ -0,0 +1,1483 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2016 6WIND S.A.
+ *   Copyright 2016 Mellanox.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of 6WIND S.A. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef RTE_FLOW_H_
+#define RTE_FLOW_H_
+
+/**
+ * @file
+ * RTE generic flow API
+ *
+ * This interface provides the ability to program packet matching and
+ * associated actions in hardware through flow rules.
+ */
+
+#include <rte_arp.h>
+#include <rte_ether.h>
+#include <rte_icmp.h>
+#include <rte_ip.h>
+#include <rte_sctp.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_byteorder.h>
+#include <rte_esp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Flow rule attributes.
+ *
+ * Priorities are set on two levels: per group and per rule within groups.
+ *
+ * Lower values denote higher priority, the highest priority for both levels
+ * is 0, so that a rule with priority 0 in group 8 is always matched after a
+ * rule with priority 8 in group 0.
+ *
+ * Although optional, applications are encouraged to group similar rules as
+ * much as possible to fully take advantage of hardware capabilities
+ * (e.g. optimized matching) and work around limitations (e.g. a single
+ * pattern type possibly allowed in a given group).
+ *
+ * Group and priority levels are arbitrary and up to the application, they
+ * do not need to be contiguous nor start from 0, however the maximum number
+ * varies between devices and may be affected by existing flow rules.
+ *
+ * If a packet is matched by several rules of a given group for a given
+ * priority level, the outcome is undefined. It can take any path, may be
+ * duplicated or even cause unrecoverable errors.
+ *
+ * Note that support for more than a single group and priority level is not
+ * guaranteed.
+ *
+ * Flow rules can apply to inbound and/or outbound traffic (ingress/egress).
+ *
+ * Several pattern items and actions are valid and can be used in both
+ * directions. Those valid for only one direction are described as such.
+ *
+ * At least one direction must be specified.
+ *
+ * Specifying both directions at once for a given rule is not recommended
+ * but may be valid in a few cases (e.g. shared counter).
+ */
+struct rte_flow_attr {
+	uint32_t group; /**< Priority group. */
+	uint32_t priority; /**< Priority level within group. */
+	uint32_t ingress:1; /**< Rule applies to ingress traffic. */
+	uint32_t egress:1; /**< Rule applies to egress traffic. */
+	uint32_t reserved:30; /**< Reserved, must be zero. */
+};
+
+/**
+ * Matching pattern item types.
+ *
+ * Pattern items fall in two categories:
+ *
+ * - Matching protocol headers and packet data (ANY, RAW, ETH, VLAN, IPV4,
+ *   IPV6, ICMP, UDP, TCP, SCTP, VXLAN and so on), usually associated with a
+ *   specification structure. These must be stacked in the same order as the
+ *   protocol layers to match, starting from the lowest.
+ *
+ * - Matching meta-data or affecting pattern processing (END, VOID, INVERT,
+ *   PF, VF, PORT and so on), often without a specification structure. Since
+ *   they do not match packet contents, these can be specified anywhere
+ *   within item lists without affecting others.
+ *
+ * See the description of individual types for more information. Those
+ * marked with [META] fall into the second category.
+ */
+enum rte_flow_item_type {
+	/**
+	 * [META]
+	 *
+	 * End marker for item lists. Prevents further processing of items,
+	 * thereby ending the pattern.
+	 *
+	 * No associated specification structure.
+	 */
+	RTE_FLOW_ITEM_TYPE_END,
+
+	/**
+	 * [META]
+	 *
+	 * Used as a placeholder for convenience. It is ignored and simply
+	 * discarded by PMDs.
+	 *
+	 * No associated specification structure.
+	 */
+	RTE_FLOW_ITEM_TYPE_VOID,
+
+	/**
+	 * [META]
+	 *
+	 * Inverted matching, i.e. process packets that do not match the
+	 * pattern.
+	 *
+	 * No associated specification structure.
+	 */
+	RTE_FLOW_ITEM_TYPE_INVERT,
+
+	/**
+	 * Matches any protocol in place of the current layer, a single ANY
+	 * may also stand for several protocol layers.
+	 *
+	 * See struct rte_flow_item_any.
+	 */
+	RTE_FLOW_ITEM_TYPE_ANY,
+
+	/**
+	 * [META]
+	 *
+	 * Matches packets addressed to the physical function of the device.
+	 *
+	 * If the underlying device function differs from the one that would
+	 * normally receive the matched traffic, specifying this item
+	 * prevents it from reaching that device unless the flow rule
+	 * contains a PF action. Packets are not duplicated between device
+	 * instances by default.
+	 *
+	 * No associated specification structure.
+	 */
+	RTE_FLOW_ITEM_TYPE_PF,
+
+	/**
+	 * [META]
+	 *
+	 * Matches packets addressed to a virtual function ID of the device.
+	 *
+	 * If the underlying device function differs from the one that would
+	 * normally receive the matched traffic, specifying this item
+	 * prevents it from reaching that device unless the flow rule
+	 * contains a VF action. Packets are not duplicated between device
+	 * instances by default.
+	 *
+	 * See struct rte_flow_item_vf.
+	 */
+	RTE_FLOW_ITEM_TYPE_VF,
+
+	/**
+	 * [META]
+	 *
+	 * Matches packets coming from the specified physical port of the
+	 * underlying device.
+	 *
+	 * The first PORT item overrides the physical port normally
+	 * associated with the specified DPDK input port (port_id). This
+	 * item can be provided several times to match additional physical
+	 * ports.
+	 *
+	 * See struct rte_flow_item_port.
+	 */
+	RTE_FLOW_ITEM_TYPE_PORT,
+
+	/**
+	 * Matches a byte string of a given length at a given offset.
+	 *
+	 * See struct rte_flow_item_raw.
+	 */
+	RTE_FLOW_ITEM_TYPE_RAW,
+
+	/**
+	 * Matches an Ethernet header.
+	 *
+	 * See struct rte_flow_item_eth.
+	 */
+	RTE_FLOW_ITEM_TYPE_ETH,
+
+	/**
+	 * Matches an 802.1Q/ad VLAN tag.
+	 *
+	 * See struct rte_flow_item_vlan.
+	 */
+	RTE_FLOW_ITEM_TYPE_VLAN,
+
+	/**
+	 * Matches an IPv4 header.
+	 *
+	 * See struct rte_flow_item_ipv4.
+	 */
+	RTE_FLOW_ITEM_TYPE_IPV4,
+
+	/**
+	 * Matches an IPv6 header.
+	 *
+	 * See struct rte_flow_item_ipv6.
+	 */
+	RTE_FLOW_ITEM_TYPE_IPV6,
+
+	/**
+	 * Matches an ICMP header.
+	 *
+	 * See struct rte_flow_item_icmp.
+	 */
+	RTE_FLOW_ITEM_TYPE_ICMP,
+
+	/**
+	 * Matches a UDP header.
+	 *
+	 * See struct rte_flow_item_udp.
+	 */
+	RTE_FLOW_ITEM_TYPE_UDP,
+
+	/**
+	 * Matches a TCP header.
+	 *
+	 * See struct rte_flow_item_tcp.
+	 */
+	RTE_FLOW_ITEM_TYPE_TCP,
+
+	/**
+	 * Matches a SCTP header.
+	 *
+	 * See struct rte_flow_item_sctp.
+	 */
+	RTE_FLOW_ITEM_TYPE_SCTP,
+
+	/**
+	 * Matches a VXLAN header.
+	 *
+	 * See struct rte_flow_item_vxlan.
+	 */
+	RTE_FLOW_ITEM_TYPE_VXLAN,
+
+	/**
+	 * Matches a E_TAG header.
+	 *
+	 * See struct rte_flow_item_e_tag.
+	 */
+	RTE_FLOW_ITEM_TYPE_E_TAG,
+
+	/**
+	 * Matches a NVGRE header.
+	 *
+	 * See struct rte_flow_item_nvgre.
+	 */
+	RTE_FLOW_ITEM_TYPE_NVGRE,
+
+	/**
+	 * Matches a MPLS header.
+	 *
+	 * See struct rte_flow_item_mpls.
+	 */
+	RTE_FLOW_ITEM_TYPE_MPLS,
+
+	/**
+	 * Matches a GRE header.
+	 *
+	 * See struct rte_flow_item_gre.
+	 */
+	RTE_FLOW_ITEM_TYPE_GRE,
+
+	/**
+	 * [META]
+	 *
+	 * Fuzzy pattern match, expect faster than default.
+	 *
+	 * This is for device that support fuzzy matching option.
+	 * Usually a fuzzy matching is fast but the cost is accuracy.
+	 *
+	 * See struct rte_flow_item_fuzzy.
+	 */
+	RTE_FLOW_ITEM_TYPE_FUZZY,
+
+	/**
+	 * Matches a GTP header.
+	 *
+	 * Configure flow for GTP packets.
+	 *
+	 * See struct rte_flow_item_gtp.
+	 */
+	RTE_FLOW_ITEM_TYPE_GTP,
+
+	/**
+	 * Matches a GTP header.
+	 *
+	 * Configure flow for GTP-C packets.
+	 *
+	 * See struct rte_flow_item_gtp.
+	 */
+	RTE_FLOW_ITEM_TYPE_GTPC,
+
+	/**
+	 * Matches a GTP header.
+	 *
+	 * Configure flow for GTP-U packets.
+	 *
+	 * See struct rte_flow_item_gtp.
+	 */
+	RTE_FLOW_ITEM_TYPE_GTPU,
+
+	/**
+	 * Matches a ESP header.
+	 *
+	 * See struct rte_flow_item_esp.
+	 */
+	RTE_FLOW_ITEM_TYPE_ESP,
+};
+
+/**
+ * RTE_FLOW_ITEM_TYPE_ANY
+ *
+ * Matches any protocol in place of the current layer, a single ANY may also
+ * stand for several protocol layers.
+ *
+ * This is usually specified as the first pattern item when looking for a
+ * protocol anywhere in a packet.
+ *
+ * A zeroed mask stands for any number of layers.
+ */
+struct rte_flow_item_any {
+	uint32_t num; /**< Number of layers covered. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_ANY. */
+#ifndef __cplusplus
+static const struct rte_flow_item_any rte_flow_item_any_mask = {
+	.num = 0x00000000,
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_VF
+ *
+ * Matches packets addressed to a virtual function ID of the device.
+ *
+ * If the underlying device function differs from the one that would
+ * normally receive the matched traffic, specifying this item prevents it
+ * from reaching that device unless the flow rule contains a VF
+ * action. Packets are not duplicated between device instances by default.
+ *
+ * - Likely to return an error or never match any traffic if this causes a
+ *   VF device to match traffic addressed to a different VF.
+ * - Can be specified multiple times to match traffic addressed to several
+ *   VF IDs.
+ * - Can be combined with a PF item to match both PF and VF traffic.
+ *
+ * A zeroed mask can be used to match any VF ID.
+ */
+struct rte_flow_item_vf {
+	uint32_t id; /**< Destination VF ID. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_VF. */
+#ifndef __cplusplus
+static const struct rte_flow_item_vf rte_flow_item_vf_mask = {
+	.id = 0x00000000,
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_PORT
+ *
+ * Matches packets coming from the specified physical port of the underlying
+ * device.
+ *
+ * The first PORT item overrides the physical port normally associated with
+ * the specified DPDK input port (port_id). This item can be provided
+ * several times to match additional physical ports.
+ *
+ * Note that physical ports are not necessarily tied to DPDK input ports
+ * (port_id) when those are not under DPDK control. Possible values are
+ * specific to each device, they are not necessarily indexed from zero and
+ * may not be contiguous.
+ *
+ * As a device property, the list of allowed values as well as the value
+ * associated with a port_id should be retrieved by other means.
+ *
+ * A zeroed mask can be used to match any port index.
+ */
+struct rte_flow_item_port {
+	uint32_t index; /**< Physical port index. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_PORT. */
+#ifndef __cplusplus
+static const struct rte_flow_item_port rte_flow_item_port_mask = {
+	.index = 0x00000000,
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_RAW
+ *
+ * Matches a byte string of a given length at a given offset.
+ *
+ * Offset is either absolute (using the start of the packet) or relative to
+ * the end of the previous matched item in the stack, in which case negative
+ * values are allowed.
+ *
+ * If search is enabled, offset is used as the starting point. The search
+ * area can be delimited by setting limit to a nonzero value, which is the
+ * maximum number of bytes after offset where the pattern may start.
+ *
+ * Matching a zero-length pattern is allowed, doing so resets the relative
+ * offset for subsequent items.
+ *
+ * This type does not support ranges (struct rte_flow_item.last).
+ */
+struct rte_flow_item_raw {
+	uint32_t relative:1; /**< Look for pattern after the previous item. */
+	uint32_t search:1; /**< Search pattern from offset (see also limit). */
+	uint32_t reserved:30; /**< Reserved, must be set to zero. */
+	int32_t offset; /**< Absolute or relative offset for pattern. */
+	uint16_t limit; /**< Search area limit for start of pattern. */
+	uint16_t length; /**< Pattern length. */
+	uint8_t pattern[]; /**< Byte string to look for. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_RAW. */
+#ifndef __cplusplus
+static const struct rte_flow_item_raw rte_flow_item_raw_mask = {
+	.relative = 1,
+	.search = 1,
+	.reserved = 0x3fffffff,
+	.offset = 0xffffffff,
+	.limit = 0xffff,
+	.length = 0xffff,
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_ETH
+ *
+ * Matches an Ethernet header.
+ */
+struct rte_flow_item_eth {
+	struct ether_addr dst; /**< Destination MAC. */
+	struct ether_addr src; /**< Source MAC. */
+	rte_be16_t type; /**< EtherType. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_ETH. */
+#ifndef __cplusplus
+static const struct rte_flow_item_eth rte_flow_item_eth_mask = {
+	.dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+	.src.addr_bytes = "\xff\xff\xff\xff\xff\xff",
+	.type = RTE_BE16(0x0000),
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_VLAN
+ *
+ * Matches an 802.1Q/ad VLAN tag.
+ *
+ * This type normally follows either RTE_FLOW_ITEM_TYPE_ETH or
+ * RTE_FLOW_ITEM_TYPE_VLAN.
+ */
+struct rte_flow_item_vlan {
+	rte_be16_t tpid; /**< Tag protocol identifier. */
+	rte_be16_t tci; /**< Tag control information. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_VLAN. */
+#ifndef __cplusplus
+static const struct rte_flow_item_vlan rte_flow_item_vlan_mask = {
+	.tpid = RTE_BE16(0x0000),
+	.tci = RTE_BE16(0xffff),
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_IPV4
+ *
+ * Matches an IPv4 header.
+ *
+ * Note: IPv4 options are handled by dedicated pattern items.
+ */
+struct rte_flow_item_ipv4 {
+	struct ipv4_hdr hdr; /**< IPv4 header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_IPV4. */
+#ifndef __cplusplus
+static const struct rte_flow_item_ipv4 rte_flow_item_ipv4_mask = {
+	.hdr = {
+		.src_addr = RTE_BE32(0xffffffff),
+		.dst_addr = RTE_BE32(0xffffffff),
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_IPV6.
+ *
+ * Matches an IPv6 header.
+ *
+ * Note: IPv6 options are handled by dedicated pattern items.
+ */
+struct rte_flow_item_ipv6 {
+	struct ipv6_hdr hdr; /**< IPv6 header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_IPV6. */
+#ifndef __cplusplus
+static const struct rte_flow_item_ipv6 rte_flow_item_ipv6_mask = {
+	.hdr = {
+		.src_addr =
+			"\xff\xff\xff\xff\xff\xff\xff\xff"
+			"\xff\xff\xff\xff\xff\xff\xff\xff",
+		.dst_addr =
+			"\xff\xff\xff\xff\xff\xff\xff\xff"
+			"\xff\xff\xff\xff\xff\xff\xff\xff",
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_ICMP.
+ *
+ * Matches an ICMP header.
+ */
+struct rte_flow_item_icmp {
+	struct icmp_hdr hdr; /**< ICMP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_ICMP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_icmp rte_flow_item_icmp_mask = {
+	.hdr = {
+		.icmp_type = 0xff,
+		.icmp_code = 0xff,
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_UDP.
+ *
+ * Matches a UDP header.
+ */
+struct rte_flow_item_udp {
+	struct udp_hdr hdr; /**< UDP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_UDP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_udp rte_flow_item_udp_mask = {
+	.hdr = {
+		.src_port = RTE_BE16(0xffff),
+		.dst_port = RTE_BE16(0xffff),
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_TCP.
+ *
+ * Matches a TCP header.
+ */
+struct rte_flow_item_tcp {
+	struct tcp_hdr hdr; /**< TCP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_TCP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_tcp rte_flow_item_tcp_mask = {
+	.hdr = {
+		.src_port = RTE_BE16(0xffff),
+		.dst_port = RTE_BE16(0xffff),
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_SCTP.
+ *
+ * Matches a SCTP header.
+ */
+struct rte_flow_item_sctp {
+	struct sctp_hdr hdr; /**< SCTP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_SCTP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_sctp rte_flow_item_sctp_mask = {
+	.hdr = {
+		.src_port = RTE_BE16(0xffff),
+		.dst_port = RTE_BE16(0xffff),
+	},
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_VXLAN.
+ *
+ * Matches a VXLAN header (RFC 7348).
+ */
+struct rte_flow_item_vxlan {
+	uint8_t flags; /**< Normally 0x08 (I flag). */
+	uint8_t rsvd0[3]; /**< Reserved, normally 0x000000. */
+	uint8_t vni[3]; /**< VXLAN identifier. */
+	uint8_t rsvd1; /**< Reserved, normally 0x00. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_VXLAN. */
+#ifndef __cplusplus
+static const struct rte_flow_item_vxlan rte_flow_item_vxlan_mask = {
+	.vni = "\xff\xff\xff",
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_E_TAG.
+ *
+ * Matches a E-tag header.
+ */
+struct rte_flow_item_e_tag {
+	rte_be16_t tpid; /**< Tag protocol identifier (0x893F). */
+	/**
+	 * E-Tag control information (E-TCI).
+	 * E-PCP (3b), E-DEI (1b), ingress E-CID base (12b).
+	 */
+	rte_be16_t epcp_edei_in_ecid_b;
+	/** Reserved (2b), GRP (2b), E-CID base (12b). */
+	rte_be16_t rsvd_grp_ecid_b;
+	uint8_t in_ecid_e; /**< Ingress E-CID ext. */
+	uint8_t ecid_e; /**< E-CID ext. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_E_TAG. */
+#ifndef __cplusplus
+static const struct rte_flow_item_e_tag rte_flow_item_e_tag_mask = {
+	.rsvd_grp_ecid_b = RTE_BE16(0x3fff),
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_NVGRE.
+ *
+ * Matches a NVGRE header.
+ */
+struct rte_flow_item_nvgre {
+	/**
+	 * Checksum (1b), undefined (1b), key bit (1b), sequence number (1b),
+	 * reserved 0 (9b), version (3b).
+	 *
+	 * c_k_s_rsvd0_ver must have value 0x2000 according to RFC 7637.
+	 */
+	rte_be16_t c_k_s_rsvd0_ver;
+	rte_be16_t protocol; /**< Protocol type (0x6558). */
+	uint8_t tni[3]; /**< Virtual subnet ID. */
+	uint8_t flow_id; /**< Flow ID. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_NVGRE. */
+#ifndef __cplusplus
+static const struct rte_flow_item_nvgre rte_flow_item_nvgre_mask = {
+	.tni = "\xff\xff\xff",
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_MPLS.
+ *
+ * Matches a MPLS header.
+ */
+struct rte_flow_item_mpls {
+	/**
+	 * Label (20b), TC (3b), Bottom of Stack (1b).
+	 */
+	uint8_t label_tc_s[3];
+	uint8_t ttl; /** Time-to-Live. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_MPLS. */
+#ifndef __cplusplus
+static const struct rte_flow_item_mpls rte_flow_item_mpls_mask = {
+	.label_tc_s = "\xff\xff\xf0",
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_GRE.
+ *
+ * Matches a GRE header.
+ */
+struct rte_flow_item_gre {
+	/**
+	 * Checksum (1b), reserved 0 (12b), version (3b).
+	 * Refer to RFC 2784.
+	 */
+	rte_be16_t c_rsvd0_ver;
+	rte_be16_t protocol; /**< Protocol type. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_GRE. */
+#ifndef __cplusplus
+static const struct rte_flow_item_gre rte_flow_item_gre_mask = {
+	.protocol = RTE_BE16(0xffff),
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_FUZZY
+ *
+ * Fuzzy pattern match, expect faster than default.
+ *
+ * This is for device that support fuzzy match option.
+ * Usually a fuzzy match is fast but the cost is accuracy.
+ * i.e. Signature Match only match pattern's hash value, but it is
+ * possible two different patterns have the same hash value.
+ *
+ * Matching accuracy level can be configure by threshold.
+ * Driver can divide the range of threshold and map to different
+ * accuracy levels that device support.
+ *
+ * Threshold 0 means perfect match (no fuzziness), while threshold
+ * 0xffffffff means fuzziest match.
+ */
+struct rte_flow_item_fuzzy {
+	uint32_t thresh; /**< Accuracy threshold. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_FUZZY. */
+#ifndef __cplusplus
+static const struct rte_flow_item_fuzzy rte_flow_item_fuzzy_mask = {
+	.thresh = 0xffffffff,
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_GTP.
+ *
+ * Matches a GTPv1 header.
+ */
+struct rte_flow_item_gtp {
+	/**
+	 * Version (3b), protocol type (1b), reserved (1b),
+	 * Extension header flag (1b),
+	 * Sequence number flag (1b),
+	 * N-PDU number flag (1b).
+	 */
+	uint8_t v_pt_rsv_flags;
+	uint8_t msg_type; /**< Message type. */
+	rte_be16_t msg_len; /**< Message length. */
+	rte_be32_t teid; /**< Tunnel endpoint identifier. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_GTP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_gtp rte_flow_item_gtp_mask = {
+	.teid = RTE_BE32(0xffffffff),
+};
+#endif
+
+/**
+ * RTE_FLOW_ITEM_TYPE_ESP
+ *
+ * Matches an ESP header.
+ */
+struct rte_flow_item_esp {
+	struct esp_hdr hdr; /**< ESP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_ESP. */
+#ifndef __cplusplus
+static const struct rte_flow_item_esp rte_flow_item_esp_mask = {
+	.hdr = {
+		.spi = OVS_BE32_MAX,
+	},
+};
+#endif
+
+/**
+ * Matching pattern item definition.
+ *
+ * A pattern is formed by stacking items starting from the lowest protocol
+ * layer to match. This stacking restriction does not apply to meta items
+ * which can be placed anywhere in the stack without affecting the meaning
+ * of the resulting pattern.
+ *
+ * Patterns are terminated by END items.
+ *
+ * The spec field should be a valid pointer to a structure of the related
+ * item type. It may remain unspecified (NULL) in many cases to request
+ * broad (nonspecific) matching. In such cases, last and mask must also be
+ * set to NULL.
+ *
+ * Optionally, last can point to a structure of the same type to define an
+ * inclusive range. This is mostly supported by integer and address fields,
+ * may cause errors otherwise. Fields that do not support ranges must be set
+ * to 0 or to the same value as the corresponding fields in spec.
+ *
+ * Only the fields defined to nonzero values in the default masks (see
+ * rte_flow_item_{name}_mask constants) are considered relevant by
+ * default. This can be overridden by providing a mask structure of the
+ * same type with applicable bits set to one. It can also be used to
+ * partially filter out specific fields (e.g. as an alternate mean to match
+ * ranges of IP addresses).
+ *
+ * Mask is a simple bit-mask applied before interpreting the contents of
+ * spec and last, which may yield unexpected results if not used
+ * carefully. For example, if for an IPv4 address field, spec provides
+ * 10.1.2.3, last provides 10.3.4.5 and mask provides 255.255.0.0, the
+ * effective range becomes 10.1.0.0 to 10.3.255.255.
+ */
+struct rte_flow_item {
+	enum rte_flow_item_type type; /**< Item type. */
+	const void *spec; /**< Pointer to item specification structure. */
+	const void *last; /**< Defines an inclusive range (spec to last). */
+	const void *mask; /**< Bit-mask applied to spec and last. */
+};
+
+/**
+ * Action types.
+ *
+ * Each possible action is represented by a type. Some have associated
+ * configuration structures. Several actions combined in a list can be
+ * affected to a flow rule. That list is not ordered.
+ *
+ * They fall in three categories:
+ *
+ * - Terminating actions (such as QUEUE, DROP, RSS, PF, VF) that prevent
+ *   processing matched packets by subsequent flow rules, unless overridden
+ *   with PASSTHRU.
+ *
+ * - Non terminating actions (PASSTHRU, DUP) that leave matched packets up
+ *   for additional processing by subsequent flow rules.
+ *
+ * - Other non terminating meta actions that do not affect the fate of
+ *   packets (END, VOID, MARK, FLAG, COUNT).
+ *
+ * When several actions are combined in a flow rule, they should all have
+ * different types (e.g. dropping a packet twice is not possible).
+ *
+ * Only the last action of a given type is taken into account. PMDs still
+ * perform error checking on the entire list.
+ *
+ * Note that PASSTHRU is the only action able to override a terminating
+ * rule.
+ */
+enum rte_flow_action_type {
+	/**
+	 * [META]
+	 *
+	 * End marker for action lists. Prevents further processing of
+	 * actions, thereby ending the list.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_END,
+
+	/**
+	 * [META]
+	 *
+	 * Used as a placeholder for convenience. It is ignored and simply
+	 * discarded by PMDs.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_VOID,
+
+	/**
+	 * Leaves packets up for additional processing by subsequent flow
+	 * rules. This is the default when a rule does not contain a
+	 * terminating action, but can be specified to force a rule to
+	 * become non-terminating.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_PASSTHRU,
+
+	/**
+	 * [META]
+	 *
+	 * Attaches an integer value to packets and sets PKT_RX_FDIR and
+	 * PKT_RX_FDIR_ID mbuf flags.
+	 *
+	 * See struct rte_flow_action_mark.
+	 */
+	RTE_FLOW_ACTION_TYPE_MARK,
+
+	/**
+	 * [META]
+	 *
+	 * Flags packets. Similar to MARK without a specific value; only
+	 * sets the PKT_RX_FDIR mbuf flag.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_FLAG,
+
+	/**
+	 * Assigns packets to a given queue index.
+	 *
+	 * See struct rte_flow_action_queue.
+	 */
+	RTE_FLOW_ACTION_TYPE_QUEUE,
+
+	/**
+	 * Drops packets.
+	 *
+	 * PASSTHRU overrides this action if both are specified.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_DROP,
+
+	/**
+	 * [META]
+	 *
+	 * Enables counters for this rule.
+	 *
+	 * These counters can be retrieved and reset through rte_flow_query(),
+	 * see struct rte_flow_query_count.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_COUNT,
+
+	/**
+	 * Duplicates packets to a given queue index.
+	 *
+	 * This is normally combined with QUEUE, however when used alone, it
+	 * is actually similar to QUEUE + PASSTHRU.
+	 *
+	 * See struct rte_flow_action_dup.
+	 */
+	RTE_FLOW_ACTION_TYPE_DUP,
+
+	/**
+	 * Similar to QUEUE, except RSS is additionally performed on packets
+	 * to spread them among several queues according to the provided
+	 * parameters.
+	 *
+	 * See struct rte_flow_action_rss.
+	 */
+	RTE_FLOW_ACTION_TYPE_RSS,
+
+	/**
+	 * Redirects packets to the physical function (PF) of the current
+	 * device.
+	 *
+	 * No associated configuration structure.
+	 */
+	RTE_FLOW_ACTION_TYPE_PF,
+
+	/**
+	 * Redirects packets to the virtual function (VF) of the current
+	 * device with the specified ID.
+	 *
+	 * See struct rte_flow_action_vf.
+	 */
+	RTE_FLOW_ACTION_TYPE_VF,
+
+	/**
+	 * Traffic metering and policing (MTR).
+	 *
+	 * See struct rte_flow_action_meter.
+	 * See file rte_mtr.h for MTR object configuration.
+	 */
+	RTE_FLOW_ACTION_TYPE_METER,
+
+	/**
+	 * Redirects packets to security engine of current device for security
+	 * processing as specified by security session.
+	 *
+	 * See struct rte_flow_action_security.
+	 */
+	RTE_FLOW_ACTION_TYPE_SECURITY
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_MARK
+ *
+ * Attaches an integer value to packets and sets PKT_RX_FDIR and
+ * PKT_RX_FDIR_ID mbuf flags.
+ *
+ * This value is arbitrary and application-defined. Maximum allowed value
+ * depends on the underlying implementation. It is returned in the
+ * hash.fdir.hi mbuf field.
+ */
+struct rte_flow_action_mark {
+	uint32_t id; /**< Integer value to return with packets. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_QUEUE
+ *
+ * Assign packets to a given queue index.
+ *
+ * Terminating by default.
+ */
+struct rte_flow_action_queue {
+	uint16_t index; /**< Queue index to use. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_COUNT (query)
+ *
+ * Query structure to retrieve and reset flow rule counters.
+ */
+struct rte_flow_query_count {
+	uint32_t reset:1; /**< Reset counters after query [in]. */
+	uint32_t hits_set:1; /**< hits field is set [out]. */
+	uint32_t bytes_set:1; /**< bytes field is set [out]. */
+	uint32_t reserved:29; /**< Reserved, must be zero [in, out]. */
+	uint64_t hits; /**< Number of hits for this rule [out]. */
+	uint64_t bytes; /**< Number of bytes through this rule [out]. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_DUP
+ *
+ * Duplicates packets to a given queue index.
+ *
+ * This is normally combined with QUEUE, however when used alone, it is
+ * actually similar to QUEUE + PASSTHRU.
+ *
+ * Non-terminating by default.
+ */
+struct rte_flow_action_dup {
+	uint16_t index; /**< Queue index to duplicate packets to. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_RSS
+ *
+ * Similar to QUEUE, except RSS is additionally performed on packets to
+ * spread them among several queues according to the provided parameters.
+ *
+ * Note: RSS hash result is stored in the hash.rss mbuf field which overlaps
+ * hash.fdir.lo. Since the MARK action sets the hash.fdir.hi field only,
+ * both can be requested simultaneously.
+ *
+ * Terminating by default.
+ */
+struct rte_flow_action_rss {
+	const struct rte_eth_rss_conf *rss_conf; /**< RSS parameters. */
+	uint16_t num; /**< Number of entries in queue[]. */
+	uint16_t queue[]; /**< Queues indices to use. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_VF
+ *
+ * Redirects packets to a virtual function (VF) of the current device.
+ *
+ * Packets matched by a VF pattern item can be redirected to their original
+ * VF ID instead of the specified one. This parameter may not be available
+ * and is not guaranteed to work properly if the VF part is matched by a
+ * prior flow rule or if packets are not addressed to a VF in the first
+ * place.
+ *
+ * Terminating by default.
+ */
+struct rte_flow_action_vf {
+	uint32_t original:1; /**< Use original VF ID if possible. */
+	uint32_t reserved:31; /**< Reserved, must be zero. */
+	uint32_t id; /**< VF ID to redirect packets to. */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_METER
+ *
+ * Traffic metering and policing (MTR).
+ *
+ * Packets matched by items of this type can be either dropped or passed to the
+ * next item with their color set by the MTR object.
+ *
+ * Non-terminating by default.
+ */
+struct rte_flow_action_meter {
+	uint32_t mtr_id; /**< MTR object ID created with rte_mtr_create(). */
+};
+
+/**
+ * RTE_FLOW_ACTION_TYPE_SECURITY
+ *
+ * Perform the security action on flows matched by the pattern items
+ * according to the configuration of the security session.
+ *
+ * This action modifies the payload of matched flows. For INLINE_CRYPTO, the
+ * security protocol headers and IV are fully provided by the application as
+ * specified in the flow pattern. The payload of matching packets is
+ * encrypted on egress, and decrypted and authenticated on ingress.
+ * For INLINE_PROTOCOL, the security protocol is fully offloaded to HW,
+ * providing full encapsulation and decapsulation of packets in security
+ * protocols. The flow pattern specifies both the outer security header fields
+ * and the inner packet fields. The security session specified in the action
+ * must match the pattern parameters.
+ *
+ * The security session specified in the action must be created on the same
+ * port as the flow action that is being specified.
+ *
+ * The ingress/egress flow attribute should match that specified in the
+ * security session if the security session supports the definition of the
+ * direction.
+ *
+ * Multiple flows can be configured to use the same security session.
+ *
+ * Non-terminating by default.
+ */
+struct rte_flow_action_security {
+	void *security_session; /**< Pointer to security session structure. */
+};
+
+/**
+ * Definition of a single action.
+ *
+ * A list of actions is terminated by a END action.
+ *
+ * For simple actions without a configuration structure, conf remains NULL.
+ */
+struct rte_flow_action {
+	enum rte_flow_action_type type; /**< Action type. */
+	const void *conf; /**< Pointer to action configuration structure. */
+};
+
+/**
+ * Opaque type returned after successfully creating a flow.
+ *
+ * This handle can be used to manage and query the related flow (e.g. to
+ * destroy it or retrieve counters).
+ */
+struct rte_flow;
+
+/**
+ * Verbose error types.
+ *
+ * Most of them provide the type of the object referenced by struct
+ * rte_flow_error.cause.
+ */
+enum rte_flow_error_type {
+	RTE_FLOW_ERROR_TYPE_NONE, /**< No error. */
+	RTE_FLOW_ERROR_TYPE_UNSPECIFIED, /**< Cause unspecified. */
+	RTE_FLOW_ERROR_TYPE_HANDLE, /**< Flow rule (handle). */
+	RTE_FLOW_ERROR_TYPE_ATTR_GROUP, /**< Group field. */
+	RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, /**< Priority field. */
+	RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, /**< Ingress field. */
+	RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, /**< Egress field. */
+	RTE_FLOW_ERROR_TYPE_ATTR, /**< Attributes structure. */
+	RTE_FLOW_ERROR_TYPE_ITEM_NUM, /**< Pattern length. */
+	RTE_FLOW_ERROR_TYPE_ITEM, /**< Specific pattern item. */
+	RTE_FLOW_ERROR_TYPE_ACTION_NUM, /**< Number of actions. */
+	RTE_FLOW_ERROR_TYPE_ACTION, /**< Specific action. */
+};
+
+/**
+ * Verbose error structure definition.
+ *
+ * This object is normally allocated by applications and set by PMDs, the
+ * message points to a constant string which does not need to be freed by
+ * the application, however its pointer can be considered valid only as long
+ * as its associated DPDK port remains configured. Closing the underlying
+ * device or unloading the PMD invalidates it.
+ *
+ * Both cause and message may be NULL regardless of the error type.
+ */
+struct rte_flow_error {
+	enum rte_flow_error_type type; /**< Cause field and error types. */
+	const void *cause; /**< Object responsible for the error. */
+	const char *message; /**< Human-readable error message. */
+};
+
+/**
+ * Check whether a flow rule can be created on a given port.
+ *
+ * The flow rule is validated for correctness and whether it could be accepted
+ * by the device given sufficient resources. The rule is checked against the
+ * current device mode and queue configuration. The flow rule may also
+ * optionally be validated against existing flow rules and device resources.
+ * This function has no effect on the target device.
+ *
+ * The returned value is guaranteed to remain valid only as long as no
+ * successful calls to rte_flow_create() or rte_flow_destroy() are made in
+ * the meantime and no device parameter affecting flow rules in any way are
+ * modified, due to possible collisions or resource limitations (although in
+ * such cases EINVAL should not be returned).
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param[in] attr
+ *   Flow rule attributes.
+ * @param[in] pattern
+ *   Pattern specification (list terminated by the END pattern item).
+ * @param[in] actions
+ *   Associated actions (list terminated by the END action).
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   0 if flow rule is valid and can be created. A negative errno value
+ *   otherwise (rte_errno is also set), the following errors are defined:
+ *
+ *   -ENOSYS: underlying device does not support this functionality.
+ *
+ *   -EINVAL: unknown or invalid rule specification.
+ *
+ *   -ENOTSUP: valid but unsupported rule specification (e.g. partial
+ *   bit-masks are unsupported).
+ *
+ *   -EEXIST: collision with an existing rule. Only returned if device
+ *   supports flow rule collision checking and there was a flow rule
+ *   collision. Not receiving this return code is no guarantee that creating
+ *   the rule will not fail due to a collision.
+ *
+ *   -ENOMEM: not enough memory to execute the function, or if the device
+ *   supports resource validation, resource limitation on the device.
+ *
+ *   -EBUSY: action cannot be performed due to busy device resources, may
+ *   succeed if the affected queues or even the entire port are in a stopped
+ *   state (see rte_eth_dev_rx_queue_stop() and rte_eth_dev_stop()).
+ */
+int
+rte_flow_validate(uint16_t port_id,
+		  const struct rte_flow_attr *attr,
+		  const struct rte_flow_item pattern[],
+		  const struct rte_flow_action actions[],
+		  struct rte_flow_error *error);
+
+/**
+ * Create a flow rule on a given port.
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param[in] attr
+ *   Flow rule attributes.
+ * @param[in] pattern
+ *   Pattern specification (list terminated by the END pattern item).
+ * @param[in] actions
+ *   Associated actions (list terminated by the END action).
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   A valid handle in case of success, NULL otherwise and rte_errno is set
+ *   to the positive version of one of the error codes defined for
+ *   rte_flow_validate().
+ */
+struct rte_flow *
+rte_flow_create(uint16_t port_id,
+		const struct rte_flow_attr *attr,
+		const struct rte_flow_item pattern[],
+		const struct rte_flow_action actions[],
+		struct rte_flow_error *error);
+
+/**
+ * Destroy a flow rule on a given port.
+ *
+ * Failure to destroy a flow rule handle may occur when other flow rules
+ * depend on it, and destroying it would result in an inconsistent state.
+ *
+ * This function is only guaranteed to succeed if handles are destroyed in
+ * reverse order of their creation.
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param flow
+ *   Flow rule handle to destroy.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+rte_flow_destroy(uint16_t port_id,
+		 struct rte_flow *flow,
+		 struct rte_flow_error *error);
+
+/**
+ * Destroy all flow rules associated with a port.
+ *
+ * In the unlikely event of failure, handles are still considered destroyed
+ * and no longer valid but the port must be assumed to be in an inconsistent
+ * state.
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+rte_flow_flush(uint16_t port_id,
+	       struct rte_flow_error *error);
+
+/**
+ * Query an existing flow rule.
+ *
+ * This function allows retrieving flow-specific data such as counters.
+ * Data is gathered by special actions which must be present in the flow
+ * rule definition.
+ *
+ * \see RTE_FLOW_ACTION_TYPE_COUNT
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param flow
+ *   Flow rule handle to query.
+ * @param action
+ *   Action type to query.
+ * @param[in, out] data
+ *   Pointer to storage for the associated query data type.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+rte_flow_query(uint16_t port_id,
+	       struct rte_flow *flow,
+	       enum rte_flow_action_type action,
+	       void *data,
+	       struct rte_flow_error *error);
+
+/**
+ * Restrict ingress traffic to the defined flow rules.
+ *
+ * Isolated mode guarantees that all ingress traffic comes from defined flow
+ * rules only (current and future).
+ *
+ * Besides making ingress more deterministic, it allows PMDs to safely reuse
+ * resources otherwise assigned to handle the remaining traffic, such as
+ * global RSS configuration settings, VLAN filters, MAC address entries,
+ * legacy filter API rules and so on in order to expand the set of possible
+ * flow rule types.
+ *
+ * Calling this function as soon as possible after device initialization,
+ * ideally before the first call to rte_eth_dev_configure(), is recommended
+ * to avoid possible failures due to conflicting settings.
+ *
+ * Once effective, leaving isolated mode may not be possible depending on
+ * PMD implementation.
+ *
+ * Additionally, the following functionality has no effect on the underlying
+ * port and may return errors such as ENOTSUP ("not supported"):
+ *
+ * - Toggling promiscuous mode.
+ * - Toggling allmulticast mode.
+ * - Configuring MAC addresses.
+ * - Configuring multicast addresses.
+ * - Configuring VLAN filters.
+ * - Configuring Rx filters through the legacy API (e.g. FDIR).
+ * - Configuring global RSS settings.
+ *
+ * @param port_id
+ *   Port identifier of Ethernet device.
+ * @param set
+ *   Nonzero to enter isolated mode, attempt to leave it otherwise.
+ * @param[out] error
+ *   Perform verbose error reporting if not NULL. PMDs initialize this
+ *   structure in case of error only.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+rte_flow_isolate(uint16_t port_id, int set, struct rte_flow_error *error);
+
+/**
+ * Initialize flow error structure.
+ *
+ * @param[out] error
+ *   Pointer to flow error structure (may be NULL).
+ * @param code
+ *   Related error code (rte_errno).
+ * @param type
+ *   Cause field and error types.
+ * @param cause
+ *   Object responsible for the error.
+ * @param message
+ *   Human-readable error message.
+ *
+ * @return
+ *   Negative error code (errno value) and rte_errno is set.
+ */
+int
+rte_flow_error_set(struct rte_flow_error *error,
+		   int code,
+		   enum rte_flow_error_type type,
+		   const void *cause,
+		   const char *message);
+
+/**
+ * Generic flow representation.
+ *
+ * This form is sufficient to describe an rte_flow independently from any
+ * PMD implementation and allows for replayability and identification.
+ */
+struct rte_flow_desc {
+	size_t size; /**< Allocated space including data[]. */
+	struct rte_flow_attr attr; /**< Attributes. */
+	struct rte_flow_item *items; /**< Items. */
+	struct rte_flow_action *actions; /**< Actions. */
+	uint8_t data[]; /**< Storage for items/actions. */
+};
+
+/**
+ * Copy an rte_flow rule description.
+ *
+ * @param[in] fd
+ *   Flow rule description.
+ * @param[in] len
+ *   Total size of allocated data for the flow description.
+ * @param[in] attr
+ *   Flow rule attributes.
+ * @param[in] items
+ *   Pattern specification (list terminated by the END pattern item).
+ * @param[in] actions
+ *   Associated actions (list terminated by the END action).
+ *
+ * @return
+ *   If len is greater or equal to the size of the flow, the total size of the
+ *   flow description and its data.
+ *   If len is lower than the size of the flow, the number of bytes that would
+ *   have been written to desc had it been sufficient. Nothing is written.
+ */
+size_t
+rte_flow_copy(struct rte_flow_desc *fd, size_t len,
+	      const struct rte_flow_attr *attr,
+	      const struct rte_flow_item *items,
+	      const struct rte_flow_action *actions);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_FLOW_H_ */
diff --git a/include/sparse/rte_icmp.h b/include/sparse/rte_icmp.h
new file mode 100644
index 000000000..62e8b0400
--- /dev/null
+++ b/include/sparse/rte_icmp.h
@@ -0,0 +1,106 @@
+/*   BSD LICENSE
+ *
+ *   Copyright(c) 2013 6WIND.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of 6WIND S.A. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)in.h        8.3 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_ICMP_H_
+#define _RTE_ICMP_H_
+
+/**
+ * @file
+ *
+ * ICMP-related defines
+ */
+
+#include "openvswitch/types.h"
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * ICMP Header
+ */
+struct icmp_hdr {
+	uint8_t  icmp_type;   /* ICMP packet type. */
+	uint8_t  icmp_code;   /* ICMP packet code. */
+	ovs_be16 icmp_cksum;  /* ICMP packet checksum. */
+	ovs_be16 icmp_ident;  /* ICMP packet identifier. */
+	ovs_be16 icmp_seq_nb; /* ICMP packet sequence number. */
+} __attribute__((__packed__));
+
+/* ICMP packet types */
+#define IP_ICMP_ECHO_REPLY   0
+#define IP_ICMP_ECHO_REQUEST 8
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_ICMP_H_ */
diff --git a/include/sparse/rte_ip.h b/include/sparse/rte_ip.h
new file mode 100644
index 000000000..b171308c0
--- /dev/null
+++ b/include/sparse/rte_ip.h
@@ -0,0 +1,490 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright 2014 6WIND S.A.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)in.h        8.3 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
+ */
+
+#ifndef _RTE_IP_H_
+#define _RTE_IP_H_
+
+/**
+ * @file
+ *
+ * IP-related defines
+ */
+
+#include <stdint.h>
+#include <netinet/in.h>
+
+#include <rte_byteorder.h>
+#include <rte_mbuf.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * IPv4 Header
+ */
+struct ipv4_hdr {
+	uint8_t  version_ihl;		/**< version and header length */
+	uint8_t  type_of_service;	/**< type of service */
+	ovs_be16 total_length;		/**< length of packet */
+	ovs_be16 packet_id;		/**< packet ID */
+	ovs_be16 fragment_offset;	/**< fragmentation offset */
+	uint8_t  time_to_live;		/**< time to live */
+	uint8_t  next_proto_id;		/**< protocol ID */
+	ovs_be16 hdr_checksum;		/**< header checksum */
+	ovs_be32 src_addr;		/**< source address */
+	ovs_be32 dst_addr;		/**< destination address */
+} __attribute__((__packed__));
+
+/** Create IPv4 address */
+#define IPv4(a,b,c,d) ((uint32_t)(((a) & 0xff) << 24) | \
+					   (((b) & 0xff) << 16) | \
+					   (((c) & 0xff) << 8)  | \
+					   ((d) & 0xff))
+
+/** Maximal IPv4 packet length (including a header) */
+#define IPV4_MAX_PKT_LEN        65535
+
+/** Internet header length mask for version_ihl field */
+#define IPV4_HDR_IHL_MASK	(0x0f)
+/**
+ * Internet header length field multiplier (IHL field specifies overall header
+ * length in number of 4-byte words)
+ */
+#define IPV4_IHL_MULTIPLIER	(4)
+
+/* Fragment Offset * Flags. */
+#define	IPV4_HDR_DF_SHIFT	14
+#define	IPV4_HDR_MF_SHIFT	13
+#define	IPV4_HDR_FO_SHIFT	3
+
+#define	IPV4_HDR_DF_FLAG	(1 << IPV4_HDR_DF_SHIFT)
+#define	IPV4_HDR_MF_FLAG	(1 << IPV4_HDR_MF_SHIFT)
+
+#define	IPV4_HDR_OFFSET_MASK	((1 << IPV4_HDR_MF_SHIFT) - 1)
+
+#define	IPV4_HDR_OFFSET_UNITS	8
+
+/*
+ * IPv4 address types
+ */
+#define IPV4_ANY              ((uint32_t)0x00000000) /**< 0.0.0.0 */
+#define IPV4_LOOPBACK         ((uint32_t)0x7f000001) /**< 127.0.0.1 */
+#define IPV4_BROADCAST        ((uint32_t)0xe0000000) /**< 224.0.0.0 */
+#define IPV4_ALLHOSTS_GROUP   ((uint32_t)0xe0000001) /**< 224.0.0.1 */
+#define IPV4_ALLRTRS_GROUP    ((uint32_t)0xe0000002) /**< 224.0.0.2 */
+#define IPV4_MAX_LOCAL_GROUP  ((uint32_t)0xe00000ff) /**< 224.0.0.255 */
+
+/*
+ * IPv4 Multicast-related macros
+ */
+#define IPV4_MIN_MCAST  IPv4(224, 0, 0, 0)          /**< Minimal IPv4-multicast address */
+#define IPV4_MAX_MCAST  IPv4(239, 255, 255, 255)    /**< Maximum IPv4 multicast address */
+
+#define IS_IPV4_MCAST(x) \
+	((x) >= IPV4_MIN_MCAST && (x) <= IPV4_MAX_MCAST) /**< check if IPv4 address is multicast */
+
+/**
+ * @internal Calculate a sum of all words in the buffer.
+ * Helper routine for the rte_raw_cksum().
+ *
+ * @param buf
+ *   Pointer to the buffer.
+ * @param len
+ *   Length of the buffer.
+ * @param sum
+ *   Initial value of the sum.
+ * @return
+ *   sum += Sum of all words in the buffer.
+ */
+static inline uint32_t
+__rte_raw_cksum(const void *buf, size_t len, uint32_t sum)
+{
+	/* workaround gcc strict-aliasing warning */
+	uintptr_t ptr = (uintptr_t)buf;
+	typedef uint16_t __attribute__((__may_alias__)) u16_p;
+	const u16_p *u16 = (const u16_p *)ptr;
+
+	while (len >= (sizeof(*u16) * 4)) {
+		sum += u16[0];
+		sum += u16[1];
+		sum += u16[2];
+		sum += u16[3];
+		len -= sizeof(*u16) * 4;
+		u16 += 4;
+	}
+	while (len >= sizeof(*u16)) {
+		sum += *u16;
+		len -= sizeof(*u16);
+		u16 += 1;
+	}
+
+	/* if length is in odd bytes */
+	if (len == 1)
+		sum += *((const uint8_t *)u16);
+
+	return sum;
+}
+
+/**
+ * @internal Reduce a sum to the non-complemented checksum.
+ * Helper routine for the rte_raw_cksum().
+ *
+ * @param sum
+ *   Value of the sum.
+ * @return
+ *   The non-complemented checksum.
+ */
+static inline uint16_t
+__rte_raw_cksum_reduce(uint32_t sum)
+{
+	sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
+	sum = ((sum & 0xffff0000) >> 16) + (sum & 0xffff);
+	return (uint16_t)sum;
+}
+
+/**
+ * Process the non-complemented checksum of a buffer.
+ *
+ * @param buf
+ *   Pointer to the buffer.
+ * @param len
+ *   Length of the buffer.
+ * @return
+ *   The non-complemented checksum.
+ */
+static inline uint16_t
+rte_raw_cksum(const void *buf, size_t len)
+{
+	uint32_t sum;
+
+	sum = __rte_raw_cksum(buf, len, 0);
+	return __rte_raw_cksum_reduce(sum);
+}
+
+/**
+ * Compute the raw (non complemented) checksum of a packet.
+ *
+ * @param m
+ *   The pointer to the mbuf.
+ * @param off
+ *   The offset in bytes to start the checksum.
+ * @param len
+ *   The length in bytes of the data to checksum.
+ * @param cksum
+ *   A pointer to the checksum, filled on success.
+ * @return
+ *   0 on success, -1 on error (bad length or offset).
+ */
+static inline int
+rte_raw_cksum_mbuf(const struct rte_mbuf *m, uint32_t off, uint32_t len,
+	uint16_t *cksum)
+{
+	const struct rte_mbuf *seg;
+	const char *buf;
+	uint32_t sum, tmp;
+	uint32_t seglen, done;
+
+	/* easy case: all data in the first segment */
+	if (off + len <= rte_pktmbuf_data_len(m)) {
+		*cksum = rte_raw_cksum(rte_pktmbuf_mtod_offset(m,
+				const char *, off), len);
+		return 0;
+	}
+
+	if (unlikely(off + len > rte_pktmbuf_pkt_len(m)))
+		return -1; /* invalid params, return a dummy value */
+
+	/* else browse the segment to find offset */
+	seglen = 0;
+	for (seg = m; seg != NULL; seg = seg->next) {
+		seglen = rte_pktmbuf_data_len(seg);
+		if (off < seglen)
+			break;
+		off -= seglen;
+	}
+	seglen -= off;
+	buf = rte_pktmbuf_mtod_offset(seg, const char *, off);
+	if (seglen >= len) {
+		/* all in one segment */
+		*cksum = rte_raw_cksum(buf, len);
+		return 0;
+	}
+
+	/* hard case: process checksum of several segments */
+	sum = 0;
+	done = 0;
+	for (;;) {
+		tmp = __rte_raw_cksum(buf, seglen, 0);
+		if (done & 1)
+			tmp = rte_bswap16(tmp);
+		sum += tmp;
+		done += seglen;
+		if (done == len)
+			break;
+		seg = seg->next;
+		buf = rte_pktmbuf_mtod(seg, const char *);
+		seglen = rte_pktmbuf_data_len(seg);
+		if (seglen > len - done)
+			seglen = len - done;
+	}
+
+	*cksum = __rte_raw_cksum_reduce(sum);
+	return 0;
+}
+
+/**
+ * Process the IPv4 checksum of an IPv4 header.
+ *
+ * The checksum field must be set to 0 by the caller.
+ *
+ * @param ipv4_hdr
+ *   The pointer to the contiguous IPv4 header.
+ * @return
+ *   The complemented checksum to set in the IP packet.
+ */
+static inline uint16_t
+rte_ipv4_cksum(const struct ipv4_hdr *ipv4_hdr)
+{
+	uint16_t cksum;
+	cksum = rte_raw_cksum(ipv4_hdr, sizeof(struct ipv4_hdr));
+	return (cksum == 0xffff) ? cksum : ~cksum;
+}
+
+/**
+ * Process the pseudo-header checksum of an IPv4 header.
+ *
+ * The checksum field must be set to 0 by the caller.
+ *
+ * Depending on the ol_flags, the pseudo-header checksum expected by the
+ * drivers is not the same. For instance, when TSO is enabled, the IP
+ * payload length must not be included in the packet.
+ *
+ * When ol_flags is 0, it computes the standard pseudo-header checksum.
+ *
+ * @param ipv4_hdr
+ *   The pointer to the contiguous IPv4 header.
+ * @param ol_flags
+ *   The ol_flags of the associated mbuf.
+ * @return
+ *   The non-complemented checksum to set in the L4 header.
+ */
+static inline uint16_t
+rte_ipv4_phdr_cksum(const struct ipv4_hdr *ipv4_hdr, uint64_t ol_flags)
+{
+	struct ipv4_psd_header {
+		ovs_be32 src_addr; /* IP address of source host. */
+		ovs_be32 dst_addr; /* IP address of destination host. */
+		uint8_t  zero;     /* zero. */
+		uint8_t  proto;    /* L4 protocol type. */
+		uint16_t len;      /* L4 length. */
+	} psd_hdr;
+
+	psd_hdr.src_addr = ipv4_hdr->src_addr;
+	psd_hdr.dst_addr = ipv4_hdr->dst_addr;
+	psd_hdr.zero = 0;
+	psd_hdr.proto = ipv4_hdr->next_proto_id;
+	if (ol_flags & PKT_TX_TCP_SEG) {
+		psd_hdr.len = 0;
+	} else {
+		psd_hdr.len = rte_cpu_to_be_16(
+			(uint16_t)(rte_be_to_cpu_16(ipv4_hdr->total_length)
+				- sizeof(struct ipv4_hdr)));
+	}
+	return rte_raw_cksum(&psd_hdr, sizeof(psd_hdr));
+}
+
+/**
+ * Process the IPv4 UDP or TCP checksum.
+ *
+ * The IPv4 header should not contains options. The IP and layer 4
+ * checksum must be set to 0 in the packet by the caller.
+ *
+ * @param ipv4_hdr
+ *   The pointer to the contiguous IPv4 header.
+ * @param l4_hdr
+ *   The pointer to the beginning of the L4 header.
+ * @return
+ *   The complemented checksum to set in the IP packet.
+ */
+static inline uint16_t
+rte_ipv4_udptcp_cksum(const struct ipv4_hdr *ipv4_hdr, const void *l4_hdr)
+{
+	uint32_t cksum;
+	uint32_t l4_len;
+
+	l4_len = rte_be_to_cpu_16(ipv4_hdr->total_length) -
+		sizeof(struct ipv4_hdr);
+
+	cksum = rte_raw_cksum(l4_hdr, l4_len);
+	cksum += rte_ipv4_phdr_cksum(ipv4_hdr, 0);
+
+	cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
+	cksum = (~cksum) & 0xffff;
+	if (cksum == 0)
+		cksum = 0xffff;
+
+	return cksum;
+}
+
+/**
+ * IPv6 Header
+ */
+struct ipv6_hdr {
+	ovs_be32 vtc_flow;     /**< IP version, traffic class & flow label. */
+	ovs_be16 payload_len;  /**< IP packet length - includes sizeof(ip_header). */
+	uint8_t  proto;        /**< Protocol, next header. */
+	uint8_t  hop_limits;   /**< Hop limits. */
+	uint8_t  src_addr[16]; /**< IP address of source host. */
+	uint8_t  dst_addr[16]; /**< IP address of destination host(s). */
+} __attribute__((__packed__));
+
+/* IPv6 vtc_flow: IPv / TC / flow_label */
+#define IPV6_HDR_FL_SHIFT 0
+#define IPV6_HDR_TC_SHIFT 20
+#define IPV6_HDR_FL_MASK ((1u << IPV6_HDR_TC_SHIFT) - 1)
+#define IPV6_HDR_TC_MASK (0xf << IPV6_HDR_TC_SHIFT)
+
+/**
+ * Process the pseudo-header checksum of an IPv6 header.
+ *
+ * Depending on the ol_flags, the pseudo-header checksum expected by the
+ * drivers is not the same. For instance, when TSO is enabled, the IPv6
+ * payload length must not be included in the packet.
+ *
+ * When ol_flags is 0, it computes the standard pseudo-header checksum.
+ *
+ * @param ipv6_hdr
+ *   The pointer to the contiguous IPv6 header.
+ * @param ol_flags
+ *   The ol_flags of the associated mbuf.
+ * @return
+ *   The non-complemented checksum to set in the L4 header.
+ */
+static inline uint16_t
+rte_ipv6_phdr_cksum(const struct ipv6_hdr *ipv6_hdr, uint64_t ol_flags)
+{
+	uint32_t sum;
+	struct {
+		ovs_be32 len;   /* L4 length. */
+		ovs_be32 proto; /* L4 protocol - top 3 bytes must be zero */
+	} psd_hdr;
+
+	psd_hdr.proto = (ipv6_hdr->proto << 24);
+	if (ol_flags & PKT_TX_TCP_SEG) {
+		psd_hdr.len = 0;
+	} else {
+		psd_hdr.len = ipv6_hdr->payload_len;
+	}
+
+	sum = __rte_raw_cksum(ipv6_hdr->src_addr,
+		sizeof(ipv6_hdr->src_addr) + sizeof(ipv6_hdr->dst_addr),
+		0);
+	sum = __rte_raw_cksum(&psd_hdr, sizeof(psd_hdr), sum);
+	return __rte_raw_cksum_reduce(sum);
+}
+
+/**
+ * Process the IPv6 UDP or TCP checksum.
+ *
+ * The IPv4 header should not contains options. The layer 4 checksum
+ * must be set to 0 in the packet by the caller.
+ *
+ * @param ipv6_hdr
+ *   The pointer to the contiguous IPv6 header.
+ * @param l4_hdr
+ *   The pointer to the beginning of the L4 header.
+ * @return
+ *   The complemented checksum to set in the IP packet.
+ */
+static inline uint16_t
+rte_ipv6_udptcp_cksum(const struct ipv6_hdr *ipv6_hdr, const void *l4_hdr)
+{
+	uint32_t cksum;
+	uint32_t l4_len;
+
+	l4_len = rte_be_to_cpu_16(ipv6_hdr->payload_len);
+
+	cksum = rte_raw_cksum(l4_hdr, l4_len);
+	cksum += rte_ipv6_phdr_cksum(ipv6_hdr, 0);
+
+	cksum = ((cksum & 0xffff0000) >> 16) + (cksum & 0xffff);
+	cksum = (~cksum) & 0xffff;
+	if (cksum == 0)
+		cksum = 0xffff;
+
+	return cksum;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_IP_H_ */
diff --git a/include/sparse/rte_sctp.h b/include/sparse/rte_sctp.h
new file mode 100644
index 000000000..74287905d
--- /dev/null
+++ b/include/sparse/rte_sctp.h
@@ -0,0 +1,103 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)in.h        8.3 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
+ */
+
+/**
+ * @file
+ *
+ * SCTP-related defines
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_SCTP_H_
+#define _RTE_SCTP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/**
+ * SCTP Header
+ */
+struct sctp_hdr {
+	ovs_be16 src_port; /**< Source port. */
+	ovs_be16 dst_port; /**< Destin port. */
+	ovs_be32 tag;      /**< Validation tag. */
+	ovs_be32 cksum;    /**< Checksum. */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_SCTP_H_ */
diff --git a/include/sparse/rte_tcp.h b/include/sparse/rte_tcp.h
new file mode 100644
index 000000000..729529695
--- /dev/null
+++ b/include/sparse/rte_tcp.h
@@ -0,0 +1,108 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)in.h        8.3 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_TCP_H_
+#define _RTE_TCP_H_
+
+/**
+ * @file
+ *
+ * TCP-related defines
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * TCP Header
+ */
+struct tcp_hdr {
+	ovs_be16 src_port;  /**< TCP source port. */
+	ovs_be16 dst_port;  /**< TCP destination port. */
+	ovs_be32 sent_seq;  /**< TX data sequence number. */
+	ovs_be32 recv_ack;  /**< RX data acknowledgement sequence number. */
+	uint8_t  data_off;  /**< Data offset. */
+	uint8_t  tcp_flags; /**< TCP flags */
+	ovs_be16 rx_win;    /**< RX flow control window. */
+	ovs_be16 cksum;     /**< TCP checksum. */
+	ovs_be16 tcp_urp;   /**< TCP urgent pointer, if any. */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_TCP_H_ */
diff --git a/include/sparse/rte_udp.h b/include/sparse/rte_udp.h
new file mode 100644
index 000000000..8694a1dcf
--- /dev/null
+++ b/include/sparse/rte_udp.h
@@ -0,0 +1,103 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *      @(#)in.h        8.3 (Berkeley) 1/3/94
+ * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+#ifndef _RTE_UDP_H_
+#define _RTE_UDP_H_
+
+/**
+ * @file
+ *
+ * UDP-related defines
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * UDP Header
+ */
+struct udp_hdr {
+	ovs_be16 src_port;    /**< UDP source port. */
+	ovs_be16 dst_port;    /**< UDP destination port. */
+	ovs_be16 dgram_len;   /**< UDP datagram length */
+	ovs_be16 dgram_cksum; /**< UDP datagram checksum */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_UDP_H_ */
diff --git a/include/sparse/xmmintrin.h b/include/sparse/xmmintrin.h
new file mode 100644
index 000000000..5d311b911
--- /dev/null
+++ b/include/sparse/xmmintrin.h
@@ -0,0 +1,24 @@
+/* Copyright (c) 2015 Nicira, Inc.
+ *
+ * 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.
+ */
+
+#ifndef __CHECKER__
+#error "Use this header only with sparse.  It is not a correct implementation."
+#endif
+
+/* sparse doesn't know about this builtin function yet. */
+#define __builtin_ia32_pause() (void) 0
+
+/* Get actual <xmmintrin.h> definitions for us to annotate and build on. */
+#include_next <xmmintrin.h>