diff options
Diffstat (limited to 'vnet/vnet/vxlan-gpe/vxlan_gpe.h')
-rw-r--r-- | vnet/vnet/vxlan-gpe/vxlan_gpe.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/vnet/vnet/vxlan-gpe/vxlan_gpe.h b/vnet/vnet/vxlan-gpe/vxlan_gpe.h new file mode 100644 index 00000000000..4c2ac444e34 --- /dev/null +++ b/vnet/vnet/vxlan-gpe/vxlan_gpe.h @@ -0,0 +1,139 @@ +/* + * 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_gpe_h +#define included_vnet_vxlan_gpe_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/ethernet/ethernet.h> +#include <vnet/vxlan-gpe/vxlan_gpe_packet.h> +#include <vnet/ip/ip4_packet.h> +#include <vnet/ip/udp.h> + + +typedef CLIB_PACKED (struct { + ip4_header_t ip4; /* 20 bytes */ + udp_header_t udp; /* 8 bytes */ + vxlan_gpe_header_t vxlan; /* 8 bytes */ +}) ip4_vxlan_gpe_header_t; + +typedef CLIB_PACKED(struct { + /* + * Key fields: local remote, vni + * all fields in NET byte order + */ + union { + struct { + u32 local; + u32 remote; + u32 vni; /* shifted 8 bits */ + u32 pad; + }; + u64 as_u64[2]; + }; +}) vxlan_gpe_tunnel_key_t; + +typedef struct { + /* Rewrite string. $$$$ embed vnet_rewrite header */ + u8 * rewrite; + + /* encapsulated protocol */ + u8 protocol; + + /* tunnel src and dst addresses */ + ip4_address_t local; + ip4_address_t remote; + + /* FIB indices */ + u32 encap_fib_index; /* tunnel partner lookup here */ + u32 decap_fib_index; /* inner IP lookup here */ + + /* vxlan VNI in HOST byte order, shifted left 8 bits */ + u32 vni; + + /* vnet intfc hw/sw_if_index */ + u32 hw_if_index; + u32 sw_if_index; + +} vxlan_gpe_tunnel_t; + +#define foreach_vxlan_gpe_input_next \ +_(DROP, "error-drop") \ +_(IP4_INPUT, "ip4-input") \ +_(IP6_INPUT, "ip6-input") \ +_(ETHERNET_INPUT, "ethernet-input") \ +_(NSH_INPUT, "nsh-input") + +typedef enum { +#define _(s,n) VXLAN_GPE_INPUT_NEXT_##s, + foreach_vxlan_gpe_input_next +#undef _ + VXLAN_GPE_INPUT_N_NEXT, +} vxlan_gpe_input_next_t; + +typedef enum { +#define vxlan_gpe_error(n,s) VXLAN_GPE_ERROR_##n, +#include <vnet/vxlan-gpe/vxlan_gpe_error.def> +#undef vxlan_gpe_error + VXLAN_GPE_N_ERROR, +} vxlan_gpe_input_error_t; + +typedef struct { + /* vector of encap tunnel instances */ + vxlan_gpe_tunnel_t *tunnels; + + /* lookup tunnel by key */ + uword * vxlan_gpe_tunnel_by_key; + + /* Free vlib hw_if_indices */ + u32 * free_vxlan_gpe_tunnel_hw_if_indices; + + /* show device instance by real device instance */ + u32 * dev_inst_by_real; + + /* convenience */ + vlib_main_t * vlib_main; + vnet_main_t * vnet_main; +} vxlan_gpe_main_t; + +vxlan_gpe_main_t vxlan_gpe_main; + +extern vlib_node_registration_t vxlan_gpe_encap_node; +extern vlib_node_registration_t vxlan_gpe_input_node; + +u8 * format_vxlan_gpe_encap_trace (u8 * s, va_list * args); + +typedef struct { + u8 is_add; + ip4_address_t local, remote; + u8 protocol; + u32 encap_fib_index; + u32 decap_fib_index; + u32 decap_next_index; + u32 vni; +} vnet_vxlan_gpe_add_del_tunnel_args_t; + + +int vnet_vxlan_gpe_add_del_tunnel +(vnet_vxlan_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp); + + + + + +#endif /* included_vnet_vxlan_gpe_h */ |