| // 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 |
| |
| // 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 |
| ssoMax |
| ) |
| |
| // Sticky socket option value types |
| const ( |
| ssoTypeByte = iota + 1 |
| ssoTypeInt |
| ssoTypeInterface |
| ssoTypeICMPFilter |
| ssoTypeIPMreq |
| ssoTypeIPMreqn |
| ssoTypeGroupReq |
| ssoTypeGroupSourceReq |
| ) |
| |
| // A sockOpt represents a binding for sticky socket option. |
| type sockOpt struct { |
| name int // option name, must be equal or greater than 1 |
| typ int // option value type, must be equal or greater than 1 |
| } |
