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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* Copyright (c) 2015, 2017, Pelion and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _COMMON_PROTOCOLS_IP_H
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#define _COMMON_PROTOCOLS_IP_H
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/* Traffic class octet defines */
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#define IP_TCLASS_DSCP_MASK 0xFC
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#define IP_TCLASS_DSCP_SHIFT 2
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#define IP_TCLASS_ECN_MASK 0x03
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/* Differentiated Services Code Points in bits 0-5 */
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#define IP_DSCP_CS0 0
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#define IP_DSCP_CS1 8
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#define IP_DSCP_AF11 10
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#define IP_DSCP_AF12 12
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#define IP_DSCP_AF13 14
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#define IP_DSCP_CS2 16
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#define IP_DSCP_AF21 18
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#define IP_DSCP_AF22 20
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#define IP_DSCP_AF23 22
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#define IP_DSCP_CS3 24
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#define IP_DSCP_AF31 26
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#define IP_DSCP_AF32 28
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#define IP_DSCP_AF33 30
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#define IP_DSCP_CS4 32
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#define IP_DSCP_AF41 34
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#define IP_DSCP_AF42 36
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#define IP_DSCP_AF43 38
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#define IP_DSCP_CS5 40
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#define IP_DSCP_VOICE_ADMIT 44
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#define IP_DSCP_EF 46
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#define IP_DSCP_CS6 48
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#define IP_DSCP_CS7 56
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/* Explicit Congestion Notification codepoint in bits 6+7 of traffic class */
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#define IP_ECN_NOT_ECT 0 // Not ECN-Capable Transport
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#define IP_ECN_ECT_1 1 // ECN-Capable Transport(1)
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#define IP_ECN_ECT_0 2 // ECN-Capable Transport(0)
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#define IP_ECN_CE 3 // Congestion Experienced
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#endif /* _COMMON_PROTOCOLS_IP_H */
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