--- /dev/null
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * 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 included_vnet_vxlan_gbp_h
+#define included_vnet_vxlan_gbp_h
+
+#include <vppinfra/error.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/bihash_16_8.h>
+#include <vppinfra/bihash_24_8.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/l2/l2_input.h>
+#include <vnet/l2/l2_output.h>
+#include <vnet/l2/l2_bd.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/vxlan-gbp/vxlan_gbp_packet.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/udp/udp_local.h>
+#include <vnet/udp/udp_packet.h>
+#include <vnet/dpo/dpo.h>
+#include <vnet/adj/adj_types.h>
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ ip4_header_t ip4; /* 20 bytes */
+ udp_header_t udp; /* 8 bytes */
+ vxlan_gbp_header_t vxlan_gbp; /* 8 bytes */
+}) ip4_vxlan_gbp_header_t;
+
+typedef CLIB_PACKED (struct {
+ ip6_header_t ip6; /* 40 bytes */
+ udp_header_t udp; /* 8 bytes */
+ vxlan_gbp_header_t vxlan_gbp; /* 8 bytes */
+}) ip6_vxlan_gbp_header_t;
+/* *INDENT-ON* */
+
+/*
+* Key fields: remote ip, vni on incoming VXLAN packet
+* all fields in NET byte order
+*/
+typedef clib_bihash_kv_16_8_t vxlan4_gbp_tunnel_key_t;
+
+/*
+* Key fields: remote ip, vni and fib index on incoming VXLAN packet
+* ip, vni fields in NET byte order
+* fib index field in host byte order
+*/
+typedef clib_bihash_kv_24_8_t vxlan6_gbp_tunnel_key_t;
+
+typedef enum vxlan_gbp_tunnel_mode_t_
+{
+ VXLAN_GBP_TUNNEL_MODE_L2,
+ VXLAN_GBP_TUNNEL_MODE_L3,
+} vxlan_gbp_tunnel_mode_t;
+
+extern u8 *format_vxlan_gbp_tunnel_mode (u8 * s, va_list * args);
+
+typedef struct
+{
+ /* Required for pool_get_aligned */
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
+ /* FIB DPO for IP forwarding of VXLAN encap packet */
+ dpo_id_t next_dpo;
+
+ /* flags */
+ u16 flags;
+
+ /* vxlan VNI in HOST byte order */
+ u32 vni;
+
+ /* tunnel src and dst addresses */
+ ip46_address_t src;
+ ip46_address_t dst;
+
+ /* mcast packet output intfc index (used only if dst is mcast) */
+ u32 mcast_sw_if_index;
+
+ /* The FIB index for src/dst addresses */
+ u32 encap_fib_index;
+
+ /* vnet intfc index */
+ u32 sw_if_index;
+ u32 hw_if_index;
+
+ /** Next node after VxLAN-GBP encap */
+ uword encap_next_node;
+
+ /**
+ * Tunnel mode.
+ * L2 tunnels decap to L2 path, L3 tunnels to the L3 path
+ */
+ vxlan_gbp_tunnel_mode_t mode;
+
+ /**
+ * Linkage into the FIB object graph
+ */
+ fib_node_t node;
+
+ /*
+ * The FIB entry for (depending on VXLAN-GBP tunnel is unicast or mcast)
+ * sending unicast VXLAN-GBP encap packets or receiving mcast VXLAN-GBP packets
+ */
+ fib_node_index_t fib_entry_index;
+ adj_index_t mcast_adj_index;
+
+ /**
+ * The tunnel is a child of the FIB entry for its destination. This is
+ * so it receives updates when the forwarding information for that entry
+ * changes.
+ * The tunnels sibling index on the FIB entry's dependency list.
+ */
+ u32 sibling_index;
+
+ u32 dev_instance; /* Real device instance in tunnel vector */
+ u32 user_instance; /* Instance name being shown to user */
+
+
+ VNET_DECLARE_REWRITE;
+} vxlan_gbp_tunnel_t;
+
+#define foreach_vxlan_gbp_input_next \
+ _(DROP, "error-drop") \
+ _(PUNT, "punt-dispatch") \
+ _(L2_INPUT, "l2-input") \
+ _(IP4_INPUT, "ip4-input") \
+ _(IP6_INPUT, "ip6-input")
+
+typedef enum
+{
+#define _(s,n) VXLAN_GBP_INPUT_NEXT_##s,
+ foreach_vxlan_gbp_input_next
+#undef _
+ VXLAN_GBP_INPUT_N_NEXT,
+} vxlan_gbp_input_next_t;
+
+typedef enum
+{
+#define vxlan_gbp_error(n,s) VXLAN_GBP_ERROR_##n,
+#include <vnet/vxlan-gbp/vxlan_gbp_error.def>
+#undef vxlan_gbp_error
+ VXLAN_GBP_N_ERROR,
+} vxlan_gbp_input_error_t;
+
+/**
+ * Call back function packets that do not match a configured tunnel
+ */
+typedef vxlan_gbp_input_next_t (*vxlan_bgp_no_tunnel_t) (vlib_buffer_t * b,
+ u32 thread_index,
+ u8 is_ip6);
+
+typedef struct
+{
+ /* vector of encap tunnel instances */
+ vxlan_gbp_tunnel_t *tunnels;
+
+ /* lookup tunnel by key */
+ clib_bihash_16_8_t vxlan4_gbp_tunnel_by_key; /* keyed on ipv4.dst + fib + vni */
+ clib_bihash_24_8_t vxlan6_gbp_tunnel_by_key; /* keyed on ipv6.dst + fib + vni */
+
+ /* local VTEP IPs ref count used by vxlan-bypass node to check if
+ received VXLAN packet DIP matches any local VTEP address */
+ uword *vtep4; /* local ip4 VTEPs keyed on their ip4 addr */
+ uword *vtep6; /* local ip6 VTEPs keyed on their ip6 addr */
+
+ /* mcast shared info */
+ uword *mcast_shared; /* keyed on mcast ip46 addr */
+
+ /* Mapping from sw_if_index to tunnel index */
+ u32 *tunnel_index_by_sw_if_index;
+
+ /* On demand udp port registration */
+ u32 udp_ports_registered;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+
+ /* Record used instances */
+ uword *instance_used;
+
+ /**
+ * Punt reasons for no such tunnel
+ */
+ vlib_punt_reason_t punt_no_such_tunnel[FIB_PROTOCOL_IP_MAX];
+} vxlan_gbp_main_t;
+
+extern vxlan_gbp_main_t vxlan_gbp_main;
+
+extern vlib_node_registration_t vxlan4_gbp_input_node;
+extern vlib_node_registration_t vxlan6_gbp_input_node;
+extern vlib_node_registration_t vxlan4_gbp_encap_node;
+extern vlib_node_registration_t vxlan6_gbp_encap_node;
+extern void vxlan_gbp_register_udp_ports (void);
+extern void vxlan_gbp_unregister_udp_ports (void);
+
+u8 *format_vxlan_gbp_encap_trace (u8 * s, va_list * args);
+
+typedef struct
+{
+ u8 is_add;
+ u8 is_ip6;
+ u32 instance;
+ vxlan_gbp_tunnel_mode_t mode;
+ ip46_address_t src, dst;
+ u32 mcast_sw_if_index;
+ u32 encap_fib_index;
+ u32 vni;
+} vnet_vxlan_gbp_tunnel_add_del_args_t;
+
+int vnet_vxlan_gbp_tunnel_add_del
+ (vnet_vxlan_gbp_tunnel_add_del_args_t * a, u32 * sw_if_indexp);
+int vnet_vxlan_gbp_tunnel_del (u32 sw_if_indexp);
+
+void vnet_int_vxlan_gbp_bypass_mode (u32 sw_if_index, u8 is_ip6,
+ u8 is_enable);
+
+always_inline u32
+vxlan_gbp_tunnel_by_sw_if_index (u32 sw_if_index)
+{
+ vxlan_gbp_main_t *vxm = &vxlan_gbp_main;
+
+ if (sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index))
+ return ~0;
+
+ return (vxm->tunnel_index_by_sw_if_index[sw_if_index]);
+}
+
+#endif /* included_vnet_vxlan_gbp_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
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