+++ /dev/null
-/*
- * Copyright (c) 2015 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_h
-#define included_vnet_vxlan_h
-
-#include <vppinfra/error.h>
-#include <vppinfra/hash.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/vxlan_packet.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/ip/udp.h>
-#include <vnet/dpo/dpo.h>
-#include <vnet/adj/adj_types.h>
-
-typedef CLIB_PACKED (struct {
- ip4_header_t ip4; /* 20 bytes */
- udp_header_t udp; /* 8 bytes */
- vxlan_header_t vxlan; /* 8 bytes */
-}) ip4_vxlan_header_t;
-
-typedef CLIB_PACKED (struct {
- ip6_header_t ip6; /* 40 bytes */
- udp_header_t udp; /* 8 bytes */
- vxlan_header_t vxlan; /* 8 bytes */
-}) ip6_vxlan_header_t;
-
-typedef CLIB_PACKED(struct {
- /*
- * Key fields: ip src and vxlan vni on incoming VXLAN packet
- * all fields in NET byte order
- */
- union {
- struct {
- u32 src;
- u32 vni; /* shifted left 8 bits */
- };
- u64 as_u64;
- };
-}) vxlan4_tunnel_key_t;
-
-typedef CLIB_PACKED(struct {
- /*
- * Key fields: ip src and vxlan vni on incoming VXLAN packet
- * all fields in NET byte order
- */
- ip6_address_t src;
- u32 vni; /* shifted left 8 bits */
-}) vxlan6_tunnel_key_t;
-
-typedef struct {
- /* Rewrite string. $$$$ embed vnet_rewrite header */
- u8 * rewrite;
-
- /* FIB DPO for IP forwarding of VXLAN encap packet */
- dpo_id_t next_dpo;
-
- /* storage for the hash key */
- union {
- vxlan4_tunnel_key_t *key4; /* unused for now */
- vxlan6_tunnel_key_t *key6;
- };
-
- /* 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;
-
- /* decap next index */
- u32 decap_next_index;
-
- /* The FIB index for src/dst addresses */
- u32 encap_fib_index;
-
- /* vnet intfc index */
- u32 sw_if_index;
- u32 hw_if_index;
-
- /**
- * Linkage into the FIB object graph
- */
- fib_node_t node;
-
- /*
- * The FIB entry for (depending on VXLAN tunnel is unicast or mcast)
- * sending unicast VXLAN encap packets or receiving mcast VXLAN 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 desintion. 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;
-} vxlan_tunnel_t;
-
-#define foreach_vxlan_input_next \
-_(DROP, "error-drop") \
-_(L2_INPUT, "l2-input")
-
-typedef enum {
-#define _(s,n) VXLAN_INPUT_NEXT_##s,
- foreach_vxlan_input_next
-#undef _
- VXLAN_INPUT_N_NEXT,
-} vxlan_input_next_t;
-
-typedef enum {
-#define vxlan_error(n,s) VXLAN_ERROR_##n,
-#include <vnet/vxlan/vxlan_error.def>
-#undef vxlan_error
- VXLAN_N_ERROR,
-} vxlan_input_error_t;
-
-typedef struct {
- ip46_address_t ip;
- fib_node_index_t fib_entry_index;
- adj_index_t mcast_adj_index;
-} mcast_remote_t;
-
-typedef struct {
- /* vector of encap tunnel instances */
- vxlan_tunnel_t * tunnels;
-
- /* lookup tunnel by key */
- uword * vxlan4_tunnel_by_key; /* keyed on ipv4.dst + vni */
- uword * vxlan6_tunnel_by_key; /* keyed on ipv6.dst + 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 */
-
- /* set of active remote mcast VTEP */
- mcast_remote_t * mcast_eps;
- uword * mcast_ep_by_ip; /* mcast VTEPs keyed on their ip46 addr */
-
- /* Free vlib hw_if_indices */
- u32 * free_vxlan_tunnel_hw_if_indices;
-
- /* Mapping from sw_if_index to tunnel index */
- u32 * tunnel_index_by_sw_if_index;
-
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} vxlan_main_t;
-
-vxlan_main_t vxlan_main;
-
-extern vlib_node_registration_t vxlan4_input_node;
-extern vlib_node_registration_t vxlan6_input_node;
-extern vlib_node_registration_t vxlan4_encap_node;
-extern vlib_node_registration_t vxlan6_encap_node;
-
-u8 * format_vxlan_encap_trace (u8 * s, va_list * args);
-
-typedef struct {
- u8 is_add;
-
- /* we normally use is_ip4, but since this adds to the
- * structure, this seems less of abreaking change */
- u8 is_ip6;
- ip46_address_t src, dst;
- u32 mcast_sw_if_index;
- u32 encap_fib_index;
- u32 decap_next_index;
- u32 vni;
-} vnet_vxlan_add_del_tunnel_args_t;
-
-int vnet_vxlan_add_del_tunnel
-(vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
-
-#endif /* included_vnet_vxlan_h */
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