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forgejo/vendor/golang.org/x/net/ipv4/sockopt.go
techknowlogick d2ea21d0d8
Use caddy's certmagic library for extensible/robust ACME handling (#14177)
* use certmagic for more extensible/robust ACME cert handling

* accept TOS based on config option

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-01-25 01:37:35 +02:00

44 lines
1.7 KiB
Go
Vendored

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4
import "golang.org/x/net/internal/socket"
// Sticky socket options
const (
ssoTOS = iota // header field for unicast packet
ssoTTL // header field for unicast packet
ssoMulticastTTL // header field for multicast packet
ssoMulticastInterface // outbound interface for multicast packet
ssoMulticastLoopback // loopback for multicast packet
ssoReceiveTTL // header field on received packet
ssoReceiveDst // header field on received packet
ssoReceiveInterface // inbound interface on received packet
ssoPacketInfo // incbound or outbound packet path
ssoHeaderPrepend // ipv4 header prepend
ssoStripHeader // strip ipv4 header
ssoICMPFilter // icmp filter
ssoJoinGroup // any-source multicast
ssoLeaveGroup // any-source multicast
ssoJoinSourceGroup // source-specific multicast
ssoLeaveSourceGroup // source-specific multicast
ssoBlockSourceGroup // any-source or source-specific multicast
ssoUnblockSourceGroup // any-source or source-specific multicast
ssoAttachFilter // attach BPF for filtering inbound traffic
)
// Sticky socket option value types
const (
ssoTypeIPMreq = iota + 1
ssoTypeIPMreqn
ssoTypeGroupReq
ssoTypeGroupSourceReq
)
// A sockOpt represents a binding for sticky socket option.
type sockOpt struct {
socket.Option
typ int // hint for option value type; optional
}