diff options
author | Neale Ranns <nranns@cisco.com> | 2016-08-25 15:29:12 +0100 |
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committer | Damjan Marion <dmarion.lists@gmail.com> | 2016-09-21 17:37:39 +0000 |
commit | 0bfe5d8c792abcdbcf27bfcc7b7b353fba04aee2 (patch) | |
tree | d600b0e2e693e766e722936744930d3bebac493c /vnet/vnet/dpo/mpls_label_dpo.h | |
parent | 60537f3d83e83d0ce10a620ca99aad4eddf85f5e (diff) |
A Protocol Independent Hierarchical FIB (VPP-352)
Main Enhancements:
- Protocol Independent FIB API
- Hierarchical FIB entries. Dynamic recursive route resolution.
- Extranet Support.
- Integration of IP and MPLS forwarding.
- Separation of FIB and Adjacency databases.
- Data-Plane Object forwarding model.
Change-Id: I52dc815c0d0aa8b493e3cf6b978568f3cc82296c
Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'vnet/vnet/dpo/mpls_label_dpo.h')
-rw-r--r-- | vnet/vnet/dpo/mpls_label_dpo.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/vnet/vnet/dpo/mpls_label_dpo.h b/vnet/vnet/dpo/mpls_label_dpo.h new file mode 100644 index 00000000..47ee3449 --- /dev/null +++ b/vnet/vnet/dpo/mpls_label_dpo.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2016 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 __MPLS_LABEL_DPO_H__ +#define __MPLS_LABEL_DPO_H__ + +#include <vnet/vnet.h> +#include <vnet/mpls/packet.h> +#include <vnet/dpo/dpo.h> + +/** + * A representation of an MPLS label for imposition in the data-path + */ +typedef struct mpls_label_dpo_t +{ + /** + * The MPLS label header to impose + */ + mpls_unicast_header_t mld_hdr; + + /** + * Next DPO in the graph + */ + dpo_id_t mld_dpo; + + /** + * Number of locks/users of the label + */ + u16 mld_locks; +} mpls_label_dpo_t; + +extern index_t mpls_label_dpo_create(mpls_label_t label, + mpls_eos_bit_t eos, + u8 ttl, + u8 exp, + const dpo_id_t *dpo); + +extern u8* format_mpls_label_dpo(u8 *s, va_list *args); + + +/* + * Encapsulation violation for fast data-path access + */ +extern mpls_label_dpo_t *mpls_label_dpo_pool; + +static inline mpls_label_dpo_t * +mpls_label_dpo_get (index_t index) +{ + return (pool_elt_at_index(mpls_label_dpo_pool, index)); +} + +extern void mpls_label_dpo_module_init(void); + +#endif |