mbed-os/features/nanostack/sal-stack-nanostack/source/Common_Protocols/ip.h

58 lines
1.9 KiB
C

/*
* Copyright (c) 2015, 2017, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* 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 _COMMON_PROTOCOLS_IP_H
#define _COMMON_PROTOCOLS_IP_H
/* Traffic class octet defines */
#define IP_TCLASS_DSCP_MASK 0xFC
#define IP_TCLASS_DSCP_SHIFT 2
#define IP_TCLASS_ECN_MASK 0x03
/* Differentiated Services Code Points in bits 0-5 */
#define IP_DSCP_CS0 0
#define IP_DSCP_CS1 8
#define IP_DSCP_AF11 10
#define IP_DSCP_AF12 12
#define IP_DSCP_AF13 14
#define IP_DSCP_CS2 16
#define IP_DSCP_AF21 18
#define IP_DSCP_AF22 20
#define IP_DSCP_AF23 22
#define IP_DSCP_CS3 24
#define IP_DSCP_AF31 26
#define IP_DSCP_AF32 28
#define IP_DSCP_AF33 30
#define IP_DSCP_CS4 32
#define IP_DSCP_AF41 34
#define IP_DSCP_AF42 36
#define IP_DSCP_AF43 38
#define IP_DSCP_CS5 40
#define IP_DSCP_VOICE_ADMIT 44
#define IP_DSCP_EF 46
#define IP_DSCP_CS6 48
#define IP_DSCP_CS7 56
/* Explicit Congestion Notification codepoint in bits 6+7 of traffic class */
#define IP_ECN_NOT_ECT 0 // Not ECN-Capable Transport
#define IP_ECN_ECT_1 1 // ECN-Capable Transport(1)
#define IP_ECN_ECT_0 2 // ECN-Capable Transport(0)
#define IP_ECN_CE 3 // Congestion Experienced
#endif /* _COMMON_PROTOCOLS_IP_H */