+++ /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:
- */
Code Review / vpp.git / blobdiff