+++ /dev/null
-/*
- * Copyright (c) 2017 SUSE LLC.
- * 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_geneve_h
-#define included_vnet_geneve_h
-
-#include <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/vtep.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/geneve/geneve_packet.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/udp/udp.h>
-#include <vnet/dpo/dpo.h>
-#include <vnet/adj/adj_types.h>
-
-#define SUPPORT_OPTIONS_HEADER 0
-
-typedef CLIB_PACKED (struct
- {
- ip4_header_t ip4; /* 20 bytes */
- udp_header_t udp; /* 8 bytes */
- geneve_header_t geneve; /* Min 8 bytes, Max 260 bytes */
- }) ip4_geneve_header_t;
-
-typedef CLIB_PACKED (struct
- {
- ip6_header_t ip6; /* 40 bytes */
- udp_header_t udp; /* 8 bytes */
- geneve_header_t geneve; /* Min 8 bytes, Max 260 bytes */
- }) ip6_geneve_header_t;
-
-typedef CLIB_PACKED (struct
- {
- /*
- * Key fields: ip source and geneve vni on incoming GENEVE packet
- * all fields in NET byte order
- */
- union
- {
- struct
- {
- u32 remote;
- u32 vni; /* shifted left 8 bits */
- };
- u64 as_u64;
- };
- }) geneve4_tunnel_key_t;
-
-typedef CLIB_PACKED (struct
- {
- /*
- * Key fields: ip source and geneve vni on incoming GENEVE packet
- * all fields in NET byte order
- */
- ip6_address_t remote;
- u32 vni; /* shifted left 8 bits */
- }) geneve6_tunnel_key_t;
-
-typedef struct
-{
- u32 tunnel_index;
- u32 vni;
-} geneve_encap_trace_t;
-
-typedef struct
-{
- /* Required for pool_get_aligned */
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-
- /* Rewrite string. $$$$ embed vnet_rewrite header */
- u8 *rewrite;
-
- /* FIB DPO for IP forwarding of GENEVE encap packet */
- dpo_id_t next_dpo;
-
- /* geneve VNI in HOST byte order */
- u32 vni;
-
- /* geneve OPTIONS LEN in HOST byte order */
-#if SUPPORT_OPTIONS_HEADER==1
- u8 options_len;
-#endif
-
- /* tunnel local and remote addresses */
- ip46_address_t local;
- ip46_address_t remote;
-
- /* mcast packet output intfc index (used only if remote is mcast) */
- u32 mcast_sw_if_index;
-
- /* decap next index */
- u32 decap_next_index;
-
- /* The FIB index for local/remote 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 GENEVE tunnel is unicast or mcast)
- * sending unicast GENEVE encap packets or receiving mcast GENEVE 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;
-
- u8 l3_mode;
-} geneve_tunnel_t;
-
-#define foreach_geneve_input_next \
-_(DROP, "error-drop") \
-_(L2_INPUT, "l2-input")
-
-typedef enum
-{
-#define _(s,n) GENEVE_INPUT_NEXT_##s,
- foreach_geneve_input_next
-#undef _
- GENEVE_INPUT_N_NEXT,
-} geneve_input_next_t;
-
-typedef enum
-{
-#define geneve_error(n,s) GENEVE_ERROR_##n,
-#include <vnet/geneve/geneve_error.def>
-#undef geneve_error
- GENEVE_N_ERROR,
-} geneve_input_error_t;
-
-typedef struct
-{
- /* vector of encap tunnel instances */
- geneve_tunnel_t *tunnels;
-
- /* lookup tunnel by key */
- uword *geneve4_tunnel_by_key; /* keyed on ipv4.remote + vni */
- uword *geneve6_tunnel_by_key; /* keyed on ipv6.remote + vni */
-
- /* local VTEP IPs ref count used by geneve-bypass node to check if
- received GENEVE packet DIP matches any local VTEP address */
- vtep_table_t vtep_table;
-
- /* 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;
-
- /* convenience */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-
- u16 msg_id_base;
-} geneve_main_t;
-
-extern geneve_main_t geneve_main;
-
-extern vlib_node_registration_t geneve4_input_node;
-extern vlib_node_registration_t geneve6_input_node;
-extern vlib_node_registration_t geneve4_encap_node;
-extern vlib_node_registration_t geneve6_encap_node;
-
-u8 *format_geneve_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 local, remote;
- u32 mcast_sw_if_index;
- u32 encap_fib_index;
- u32 decap_next_index;
- u32 vni;
- u8 l3_mode;
-} vnet_geneve_add_del_tunnel_args_t;
-
-int vnet_geneve_add_del_tunnel
- (vnet_geneve_add_del_tunnel_args_t * a, u32 * sw_if_indexp);
-
-void vnet_int_geneve_bypass_mode (u32 sw_if_index, u8 is_ip6, u8 is_enable);
-#endif /* included_vnet_geneve_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff