/* * 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 __GBP_VXLAN_H__ #define __GBP_VXLAN_H__ #include <vnet/fib/fib_types.h> #define forecah_gbp_vxlan_tunnel_layer \ _(L2, "l2") \ _(L3, "l3") typedef enum gbp_vxlan_tunnel_layer_t_ { #define _(s,n) GBP_VXLAN_TUN_##s, forecah_gbp_vxlan_tunnel_layer #undef _ } gbp_vxlan_tunnel_layer_t; /** * GBP VXLAN (template) tunnel. * A template tunnel has only a VNI, it does not have src,dst address. * As such it cannot be used to send traffic. It is used in the RX path * to RX vxlan-gbp packets that do not match an existing tunnel; */ typedef struct gbp_vxlan_tunnel_t_ { u32 gt_hw_if_index; u32 gt_sw_if_index; u32 gt_vni; /** * The BD or RD value (depending on the layer) that the tunnel is bound to */ u32 gt_bd_rd_id; gbp_vxlan_tunnel_layer_t gt_layer; union { struct { /** * BD index (if L2) */ u32 gt_bd_index; /** * Reference to the GPB-BD */ index_t gt_gbd; }; struct { /** * FIB inidices (if L3) */ u32 gt_fib_index[FIB_PROTOCOL_IP_MAX]; /** * References to the GBP-RD */ index_t gt_grd; }; }; /** * gbp-itf config for this interface */ index_t gt_itf; /** * list of child vxlan-gbp tunnels built from this template */ index_t *gt_tuns; } gbp_vxlan_tunnel_t; /** * The different types of interfaces that endpoints are learned on */ typedef enum gbp_vxlan_tunnel_type_t_ { /** * This is the object type deifend above. * A template representation of a vxlan-gbp tunnel. from this tunnel * type, real vxlan-gbp tunnels are created (by cloning the VNI) */ GBP_VXLAN_TEMPLATE_TUNNEL, /** * A real VXLAN-GBP tunnel (from vnet/vxlan-gbp/...) */ VXLAN_GBP_TUNNEL, } gbp_vxlan_tunnel_type_t; extern int gbp_vxlan_tunnel_add (u32 vni, gbp_vxlan_tunnel_layer_t layer, u32 bd_rd_id, u32 * sw_if_indexp); extern int gbp_vxlan_tunnel_del (u32 vni); extern gbp_vxlan_tunnel_type_t gbp_vxlan_tunnel_get_type (u32 sw_if_index); extern u32 gbp_vxlan_tunnel_clone_and_lock (u32 parent_tunnel, const ip46_address_t * src, const ip46_address_t * dst); extern void vxlan_gbp_tunnel_lock (u32 sw_if_index); extern void vxlan_gbp_tunnel_unlock (u32 sw_if_index); extern u32 vxlan_gbp_tunnel_get_parent (u32 sw_if_index); typedef walk_rc_t (*gbp_vxlan_cb_t) (gbp_vxlan_tunnel_t * gt, void *ctx); extern void gbp_vxlan_walk (gbp_vxlan_cb_t cb, void *ctx); extern u8 *format_gbp_vxlan_tunnel (u8 * s, va_list * args); extern u8 *format_gbp_vxlan_tunnel_layer (u8 * s, va_list * args); #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */