3be9164f80
Type: improvement Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Benoît Ganne <bganne@cisco.com> Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3
136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GBP_VXLAN_H__
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#define __GBP_VXLAN_H__
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#include <vnet/fib/fib_types.h>
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#include <plugins/gbp/gbp_itf.h>
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#define foreach_gbp_vxlan_tunnel_layer \
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_ (L2, "l2") \
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_ (L3, "l3")
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typedef enum gbp_vxlan_tunnel_layer_t_
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{
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#define _(s,n) GBP_VXLAN_TUN_##s,
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foreach_gbp_vxlan_tunnel_layer
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#undef _
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} gbp_vxlan_tunnel_layer_t;
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/**
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* GBP VXLAN (template) tunnel.
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* A template tunnel has only a VNI, it does not have src,dst address.
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* As such it cannot be used to send traffic. It is used in the RX path
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* to RX vxlan-gbp packets that do not match an existing tunnel;
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*/
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typedef struct gbp_vxlan_tunnel_t_
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{
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u32 gt_hw_if_index;
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u32 gt_sw_if_index;
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u32 gt_vni;
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/**
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* The BD or RD value (depending on the layer) that the tunnel is bound to
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*/
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u32 gt_bd_rd_id;
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gbp_vxlan_tunnel_layer_t gt_layer;
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union
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{
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struct
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{
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/**
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* Reference to the GPB-BD
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*/
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index_t gt_gbd;
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};
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struct
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{
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/**
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* References to the GBP-RD
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*/
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index_t gt_grd;
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};
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};
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/**
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* gbp-itf config for this interface
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*/
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gbp_itf_hdl_t gt_itf;
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/**
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* list of child vxlan-gbp tunnels built from this template
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*/
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index_t *gt_tuns;
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/**
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* The source address to use for child tunnels
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*/
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ip46_address_t gt_src;
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} gbp_vxlan_tunnel_t;
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/**
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* The different types of interfaces that endpoints are learned on
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*/
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typedef enum gbp_vxlan_tunnel_type_t_
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{
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/**
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* This is the object type defined above.
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* A template representation of a vxlan-gbp tunnel. from this tunnel
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* type, real vxlan-gbp tunnels are created (by cloning the VNI)
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*/
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GBP_VXLAN_TEMPLATE_TUNNEL,
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/**
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* A real VXLAN-GBP tunnel (from vnet/vxlan-gbp/...)
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*/
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VXLAN_GBP_TUNNEL,
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} gbp_vxlan_tunnel_type_t;
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extern int gbp_vxlan_tunnel_add (u32 vni, gbp_vxlan_tunnel_layer_t layer,
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u32 bd_rd_id,
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const ip4_address_t * src,
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u32 * sw_if_indexp);
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extern int gbp_vxlan_tunnel_del (u32 vni);
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extern gbp_vxlan_tunnel_type_t gbp_vxlan_tunnel_get_type (u32 sw_if_index);
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extern gbp_itf_hdl_t gbp_vxlan_tunnel_clone_and_lock (u32 parent_tunnel,
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const ip46_address_t *
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src,
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const ip46_address_t *
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dst);
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extern u32 vxlan_gbp_tunnel_get_parent (u32 sw_if_index);
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extern gbp_itf_hdl_t vxlan_gbp_tunnel_lock_itf (u32 sw_if_index);
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typedef walk_rc_t (*gbp_vxlan_cb_t) (gbp_vxlan_tunnel_t * gt, void *ctx);
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extern void gbp_vxlan_walk (gbp_vxlan_cb_t cb, void *ctx);
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extern u8 *format_gbp_vxlan_tunnel (u8 * s, va_list * args);
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extern u8 *format_gbp_vxlan_tunnel_layer (u8 * s, va_list * args);
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extern gbp_vxlan_tunnel_t *gbp_vxlan_tunnel_get (index_t gti);
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#endif
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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