nightingale/vendor/github.com/uber/tchannel-go/tos/tos.go

78 lines
2.3 KiB
Go

// Copyright (c) 2015 Uber Technologies, Inc.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package tos
// ToS represents a const value DF, CS3 etc
// Assured Forwarding (x=class, y=drop precedence) (RFC2597)
// Class Selector (RFC 2474)
// IP Precedence (Linux Socket Compat RFC 791
type ToS uint8
// Assured Forwarding (x=class, y=drop precedence) (RFC2597)
// Class Selector (RFC 2474)
const (
// CS3 Class Selector 3
CS3 ToS = 0x18
// CS4 Class Selector 4
CS4 ToS = 0x20
// CS5 Class Selector 5
CS5 ToS = 0x28
// CS6 Class Selector 6
CS6 ToS = 0x30
// CS7 Class Selector 7
CS7 ToS = 0x38
// AF11 Assured Forward 11
AF11 ToS = 0x0a
// AF12 Assured Forward 11
AF12 ToS = 0x0c
// AF13 Assured Forward 12
AF13 ToS = 0x0e
// AF21 Assured Forward 13
AF21 ToS = 0x12
// AF22 Assured Forward 21
AF22 ToS = 0x14
// AF23 Assured Forward 22
AF23 ToS = 0x16
// AF31 Assured Forward 23
AF31 ToS = 0x1a
// AF32 Assured Forward 31
AF32 ToS = 0x1c
// AF33 Assured Forward 32
AF33 ToS = 0x1e
// AF41 Assured Forward 33
AF41 ToS = 0x22
// AF42 Assured Forward 41
AF42 ToS = 0x24
// AF43 Assured Forward 42
AF43 ToS = 0x26
// EF Expedited Forwarding (RFC 3246)
EF ToS = 0x2e
// Lowdelay 10
Lowdelay ToS = 0x10
// Throughput 8
Throughput ToS = 0x08
// Reliability 4
Reliability ToS = 0x04
// Lowcost 2
Lowcost ToS = 0x02
)