Imported Upstream version 16.04

[deb_dpdk.git] / examples / tep_termination / vxlan.h

diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h
new file mode 100644 (file)
index 0000000..4242e11
--- /dev/null
+++ b/examples/tep_termination/vxlan.h
@@ -0,0 +1,86 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2015 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 _VXLAN_H_
+#define _VXLAN_H_
+
+#include <rte_ether.h>
+#include <rte_ip.h>
+
+#define PORT_MIN       49152
+#define PORT_MAX       65535
+#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
+
+#define VXLAN_N_PORTS  2
+#define VXLAN_HF_VNI 0x08000000
+#define DEFAULT_VXLAN_PORT 4789
+
+extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
+extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS];
+extern uint8_t tx_checksum;
+extern uint16_t tso_segsz;
+
+struct vxlan_port {
+       uint32_t vport_id;           /**< VirtIO port id */
+       uint32_t peer_ip;            /**< remote VTEP IP address */
+       struct ether_addr peer_mac;  /**< remote VTEP MAC address */
+       struct ether_addr vport_mac; /**< VirtIO port MAC address */
+} __rte_cache_aligned;
+
+struct vxlan_conf {
+       uint16_t dst_port;      /**< VXLAN UDP destination port */
+       uint32_t port_ip;       /**< DPDK port IP address*/
+       uint32_t in_key;        /**< VLAN  ID */
+       uint32_t out_key;       /**< VXLAN VNI */
+       struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
+} __rte_cache_aligned;
+
+extern struct vxlan_conf vxdev;
+
+/* structure that caches offload info for the current packet */
+union tunnel_offload_info {
+       uint64_t data;
+       struct {
+               uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
+               uint64_t l3_len:9; /**< L3 (IP) Header Length. */
+               uint64_t l4_len:8; /**< L4 Header Length. */
+               uint64_t tso_segsz:16; /**< TCP TSO segment size */
+               uint64_t outer_l2_len:7; /**< outer L2 Header Length */
+               uint64_t outer_l3_len:16; /**< outer L3 Header Length */
+       };
+} __rte_cache_aligned;
+
+int decapsulation(struct rte_mbuf *pkt);
+void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
+
+#endif /* _VXLAN_H_ */