2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
19 * A QOS egress map translates from the COS bits stored in the packet's
20 * meta-data into a per-protocol COS value
23 #ifndef __QOS_EGRESS_MAP_H__
24 #define __QOS_EGRESS_MAP_H__
26 #include <vnet/qos/qos_types.h>
27 #include <vnet/dpo/dpo.h>
30 * An attempt at type safety
32 typedef u32 qos_egress_map_id_t;
35 * For a given output source a table maps each value of every input source.
37 typedef struct qos_egress_map_t_
40 * Required for pool_get_aligned
42 CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
45 * The array of output mapped values;
46 * output = eq_qos[input-source][input-value]
48 qos_bits_t qem_output[QOS_N_SOURCES][256];
51 extern u8 *format_qos_egress_map (u8 * s, va_list * args);
54 * Add a qos-egress map to an interface. If sw_if_index = ~0
55 * then the configuration is for the 'default' table.
56 * If the table is ~0, this is a removal.
57 * the egress mapping is applied. For example, is output is MPLS then
58 * the QoS markings will occur for MPLS packets.
60 extern void qos_egress_map_update (qos_egress_map_id_t tid,
61 qos_source_t input_source,
63 extern void qos_egress_map_delete (qos_egress_map_id_t tid);
66 * Get the VPP QoS map index from the user's map-ID
68 extern index_t qos_egress_map_find (qos_egress_map_id_t tid);
69 extern qos_egress_map_id_t qos_egress_map_get_id (index_t qemi);
72 * Walk each of the configured maps
74 typedef walk_rc_t (*qos_egress_map_walk_cb_t) (qos_egress_map_id_t id,
75 const qos_egress_map_t * m,
77 void qos_egress_map_walk (qos_egress_map_walk_cb_t fn, void *c);
80 * Data-plane functions
84 * Pool from which to allocate map
86 extern qos_egress_map_t *qem_pool;
91 * fd.io coding-style-patch-verification: ON
94 * eval: (c-set-style "gnu")