/* *------------------------------------------------------------------ * 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. *------------------------------------------------------------------ */ /** * A QOS egress map translates from the COS bits stored in the packet's * meta-data into a per-protocol COS value */ #ifndef __QOS_EGRESS_MAP_H__ #define __QOS_EGRESS_MAP_H__ #include <vnet/qos/qos_types.h> #include <vnet/dpo/dpo.h> /** * An attempt at type safety */ typedef u32 qos_egress_map_id_t; /** * For a given output source a table maps each value of every input source. */ typedef struct qos_egress_map_t_ { /** * Required for pool_get_aligned */ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); /** * The array of output mapped values; * output = eq_qos[input-source][input-value] */ qos_bits_t qem_output[QOS_N_SOURCES][256]; } qos_egress_map_t; extern u8 *format_qos_egress_map (u8 * s, va_list * args); /** * Add a qos-egress map to an interface. If sw_if_index = ~0 * then the configuration is for the 'default' table. * If the table is ~0, this is a removal. * the egress mapping is applied. For example, is output is MPLS then * the QoS markings will occur for MPLS packets. */ extern void qos_egress_map_update (qos_egress_map_id_t tid, qos_source_t input_source, qos_bits_t * values); extern void qos_egress_map_delete (qos_egress_map_id_t tid); /** * Get the VPP QoS map index from the user's map-ID */ extern index_t qos_egress_map_find (qos_egress_map_id_t tid); extern qos_egress_map_id_t qos_egress_map_get_id (index_t qemi); /** * Walk each of the configured maps */ typedef walk_rc_t (*qos_egress_map_walk_cb_t) (qos_egress_map_id_t id, const qos_egress_map_t * m, void *c); void qos_egress_map_walk (qos_egress_map_walk_cb_t fn, void *c); /** * Data-plane functions */ /** * Pool from which to allocate map */ extern qos_egress_map_t *qem_pool; #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */