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