1 files changed, 104 insertions, 0 deletions
diff --git a/common/VIL/gateway/gateway.h b/common/VIL/gateway/gateway.h
new file mode 100644
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+++ b/common/VIL/gateway/gateway.h
@@ -0,0 +1,104 @@
+/*
+// Copyright (c) 2017 Intel Corporation
+//
+// 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 __INCLUDE_GATEWAY_H__
+#define __INCLUDE_GATEWAY_H__
+
+/**
+ * @file
+ * gateway.h
+ *
+ * Provide APIs for Packet fowarding in gateway configuration.
+ *
+ */
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ip.h>
+#include <rte_udp.h>
+#include <rte_mbuf.h>
+#include <rte_byteorder.h>
+
+#include "pipeline.h"
+#include "app.h"
+#include "vnf_common.h"
+#include "vnf_define.h"
+
+/**
+* A structure for Route table entries of IPv4
+*/
+#define MAX_ROUTE_ENTRY_SIZE	32
+#define MAX_ND_ROUTE_ENTRY_SIZE 32
+
+extern struct route_data *p_route_data[];
+extern struct nd_route_data *p_nd_route_data[];
+
+extern uint32_t vnf_gateway;
+
+/**
+ * A structure for Route table entires of IPv4
+ *
+ */
+struct route_table_entry {
+	uint32_t nh;	/**< next hop */
+	uint32_t mask;	/**< mask */
+	uint32_t port;	/**< Physical port */
+	uint32_t nh_mask;
+} __rte_cache_aligned;
+
+/**
+ * Routing table for IPv4
+ *
+ */
+struct route_data {
+	struct route_table_entry route_table[MAX_ROUTE_ENTRY_SIZE];
+	uint8_t route_ent_cnt;
+};
+
+/**
+ * A structure for Route table entires of IPv6
+ *
+ */
+struct nd_route_table_entry {
+	uint8_t nhipv6[16];	/**< next hop Ipv6 */
+	uint8_t depth;		/**< Depth */
+	uint32_t port;		/**< Port */
+};
+
+/**
+ * Routing table for IPv6
+ *
+ */
+struct nd_route_data {
+	struct nd_route_table_entry nd_route_table[MAX_ND_ROUTE_ENTRY_SIZE];
+	uint8_t nd_route_ent_cnt;
+};
+
+extern void gw_init(uint32_t num_ports);
+
+extern uint32_t gw_get_num_ports(void);
+
+extern uint32_t is_gateway(void);
+
+extern void gw_get_nh_port_ipv4(uint32_t dst_ip_addr,
+					uint32_t *dst_port, uint32_t *nhip);
+
+extern void gw_get_nh_port_ipv6(uint8_t *dst_ipv6_addr,
+					uint32_t *dst_port, uint8_t *nhipv6);
+
+#endif