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Diffstat (limited to 'src/vnet/mpls/mpls_lookup.h')
-rw-r--r-- | src/vnet/mpls/mpls_lookup.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/vnet/mpls/mpls_lookup.h b/src/vnet/mpls/mpls_lookup.h new file mode 100644 index 00000000000..6d3b04b8507 --- /dev/null +++ b/src/vnet/mpls/mpls_lookup.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2015 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_LOOKUP_H__ +#define __MPLS_LOOKUP_H__ + +#include <vnet/mpls/mpls.h> +#include <vnet/ip/ip.h> + +/* + * Compute flow hash. + * We'll use it to select which adjacency to use for this flow. And other things. + */ +always_inline u32 +mpls_compute_flow_hash (const mpls_unicast_header_t * hdr, + flow_hash_config_t flow_hash_config) +{ + return (vnet_mpls_uc_get_label(hdr->label_exp_s_ttl)); +} + +#endif /* __MPLS_LOOKUP_H__ */ |