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/*
* 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>
#include <plugins/gbp/gbp_itf.h>
#define foreach_gbp_vxlan_tunnel_layer \
_ (L2, "l2") \
_ (L3, "l3")
typedef enum gbp_vxlan_tunnel_layer_t_
{
#define _(s,n) GBP_VXLAN_TUN_##s,
foreach_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
{
/**
* Reference to the GPB-BD
*/
index_t gt_gbd;
};
struct
{
/**
* References to the GBP-RD
*/
index_t gt_grd;
};
};
/**
* gbp-itf config for this interface
*/
gbp_itf_hdl_t gt_itf;
/**
* list of child vxlan-gbp tunnels built from this template
*/
index_t *gt_tuns;
/**
* The source address to use for child tunnels
*/
ip46_address_t gt_src;
} 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 defined 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,
const ip4_address_t * src,
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 gbp_itf_hdl_t gbp_vxlan_tunnel_clone_and_lock (u32 parent_tunnel,
const ip46_address_t *
src,
const ip46_address_t *
dst);
extern u32 vxlan_gbp_tunnel_get_parent (u32 sw_if_index);
extern gbp_itf_hdl_t vxlan_gbp_tunnel_lock_itf (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);
extern gbp_vxlan_tunnel_t *gbp_vxlan_tunnel_get (index_t gti);
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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