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/*
*------------------------------------------------------------------
* 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:
*/
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