e6eefb6e3c
Change-Id: I3b3e868277d5caf6b1341814003a3bc5726c2df9 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Copyright (c) 2016 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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/**
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* bier_disposition : The BIER disposition object
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*
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* A BIER disposition object is used to pop the BIER header for for-us
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* packets and steer the packet down the payload protocol specific graph
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*/
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#ifndef __BIER_DISP_ENTRY_H__
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#define __BIER_DISP_ENTRY_H__
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#include <vnet/bier/bier_types.h>
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#include <vnet/fib/fib_types.h>
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#include <vnet/dpo/dpo.h>
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/**
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* The BIER disposition object
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*/
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typedef struct bier_disp_entry_t_ {
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/**
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* Required for pool_get_aligned
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*/
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CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
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/**
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* The DPO contributed from the per-payload protocol parents
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* on cacheline 1.
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*/
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struct
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{
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dpo_id_t bde_dpo;
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u32 bde_rpf_id;
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} bde_fwd[BIER_HDR_N_PROTO];
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/**
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* number of locks
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*/
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u32 bde_locks;
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/**
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* The path-lists used by per-payload protocol parents.
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* We don't add the disp entry to the graph as a sibling
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* since there is nothing we can do with the updates to
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* forwarding.
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*/
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fib_node_index_t bde_pl[BIER_HDR_N_PROTO];
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} bier_disp_entry_t;
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extern index_t bier_disp_entry_add_or_lock(void);
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extern void bier_disp_entry_path_add(index_t bdei,
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bier_hdr_proto_id_t pproto,
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const fib_route_path_t *rpaths);
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extern int bier_disp_entry_path_remove(index_t bdei,
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bier_hdr_proto_id_t pproto,
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const fib_route_path_t *rpaths);
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extern void bier_disp_entry_unlock(index_t bdi);
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extern void bier_disp_entry_lock(index_t bdi);
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extern u8* format_bier_disp_entry(u8* s, va_list *ap);
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extern void bier_disp_entry_contribute_forwarding(index_t bdi,
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dpo_id_t *dpo);
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extern bier_disp_entry_t *bier_disp_entry_pool;
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always_inline bier_disp_entry_t*
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bier_disp_entry_get (index_t bdi)
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{
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return (pool_elt_at_index(bier_disp_entry_pool, bdi));
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}
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#endif
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