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ipv6: use all socket option consts from x/sys/unix
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Remove the remaining local definitions of various socket option
constants and use the constants defined in the golang.org/x/sys/unix
package instead.

Change-Id: I110cf984e2bac5bf48d6e6489fd6da8ab7b13b10
Reviewed-on: https://go-review.googlesource.com/c/net/+/311749
Trust: Tobias Klauser <[email protected]>
Run-TryBot: Tobias Klauser <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>
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@tklauser
tklauser committed Apr 20, 2021
1 parent d25e304 commit 798c215
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Showing 38 changed files with 59 additions and 407 deletions.
2 changes: 1 addition & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ module golang.org/x/net
go 1.11

require (
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1
golang.org/x/text v0.3.6
)
4 changes: 2 additions & 2 deletions go.sum
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44 h1:Bli41pIlzTzf3KEY06n+xnzK/BESIg2ze4Pgfh/aI8c=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe h1:WdX7u8s3yOigWAhHEaDl8r9G+4XwFQEQFtBMYyN+kXQ=
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
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4 changes: 2 additions & 2 deletions http2/h2demo/go.sum
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Expand Up @@ -66,8 +66,8 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190502175342-a43fa875dd82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44 h1:Bli41pIlzTzf3KEY06n+xnzK/BESIg2ze4Pgfh/aI8c=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe h1:WdX7u8s3yOigWAhHEaDl8r9G+4XwFQEQFtBMYyN+kXQ=
golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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12 changes: 7 additions & 5 deletions ipv6/control_rfc3542_unix.go
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Expand Up @@ -13,11 +13,13 @@ import (

"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/socket"

"golang.org/x/sys/unix"
)

func marshalTrafficClass(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIPv6, sysIPV6_TCLASS, 4)
m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_TCLASS, 4)
if cm != nil {
socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.TrafficClass))
}
Expand All @@ -30,7 +32,7 @@ func parseTrafficClass(cm *ControlMessage, b []byte) {

func marshalHopLimit(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIPv6, sysIPV6_HOPLIMIT, 4)
m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_HOPLIMIT, 4)
if cm != nil {
socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit))
}
Expand All @@ -43,7 +45,7 @@ func parseHopLimit(cm *ControlMessage, b []byte) {

func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIPv6, sysIPV6_PKTINFO, sizeofInet6Pktinfo)
m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PKTINFO, sizeofInet6Pktinfo)
if cm != nil {
pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0]))
if ip := cm.Src.To16(); ip != nil && ip.To4() == nil {
Expand All @@ -67,7 +69,7 @@ func parsePacketInfo(cm *ControlMessage, b []byte) {

func marshalNextHop(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIPv6, sysIPV6_NEXTHOP, sizeofSockaddrInet6)
m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_NEXTHOP, sizeofSockaddrInet6)
if cm != nil {
sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0]))
sa.setSockaddr(cm.NextHop, cm.IfIndex)
Expand All @@ -80,7 +82,7 @@ func parseNextHop(cm *ControlMessage, b []byte) {

func marshalPathMTU(b []byte, cm *ControlMessage) []byte {
m := socket.ControlMessage(b)
m.MarshalHeader(iana.ProtocolIPv6, sysIPV6_PATHMTU, sizeofIPv6Mtuinfo)
m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo)
return m.Next(sizeofIPv6Mtuinfo)
}

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6 changes: 0 additions & 6 deletions ipv6/defs_aix.go
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Expand Up @@ -19,12 +19,6 @@ package ipv6
import "C"

const (
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_darwin.go
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Expand Up @@ -17,12 +17,6 @@ package ipv6
import "C"

const (
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP

sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_dragonfly.go
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Expand Up @@ -19,12 +19,6 @@ package ipv6
import "C"

const (
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_freebsd.go
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Expand Up @@ -19,12 +19,6 @@ package ipv6
import "C"

const (
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_linux.go
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Expand Up @@ -20,12 +20,6 @@ package ipv6
import "C"

const (
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_netbsd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,6 @@ package ipv6
import "C"

const (
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
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6 changes: 0 additions & 6 deletions ipv6/defs_openbsd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,6 @@ package ipv6
import "C"

const (
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_PKTINFO = C.IPV6_PKTINFO
sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_TCLASS = C.IPV6_TCLASS

sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
sizeofIPv6Mtuinfo = C.sizeof_struct_ip6_mtuinfo
Expand Down
68 changes: 0 additions & 68 deletions ipv6/defs_solaris.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,74 +18,6 @@ package ipv6
import "C"

const (
sysIPV6_UNICAST_HOPS = C.IPV6_UNICAST_HOPS
sysIPV6_MULTICAST_IF = C.IPV6_MULTICAST_IF
sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
sysIPV6_JOIN_GROUP = C.IPV6_JOIN_GROUP
sysIPV6_LEAVE_GROUP = C.IPV6_LEAVE_GROUP

sysIPV6_PKTINFO = C.IPV6_PKTINFO

sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
sysIPV6_NEXTHOP = C.IPV6_NEXTHOP
sysIPV6_HOPOPTS = C.IPV6_HOPOPTS
sysIPV6_DSTOPTS = C.IPV6_DSTOPTS

sysIPV6_RTHDR = C.IPV6_RTHDR
sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS

sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
sysIPV6_RECVHOPOPTS = C.IPV6_RECVHOPOPTS

sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR

sysIPV6_RECVRTHDRDSTOPTS = C.IPV6_RECVRTHDRDSTOPTS

sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
sysIPV6_SEC_OPT = C.IPV6_SEC_OPT
sysIPV6_SRC_PREFERENCES = C.IPV6_SRC_PREFERENCES
sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
sysIPV6_PATHMTU = C.IPV6_PATHMTU
sysIPV6_TCLASS = C.IPV6_TCLASS
sysIPV6_V6ONLY = C.IPV6_V6ONLY

sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS

sysMCAST_JOIN_GROUP = C.MCAST_JOIN_GROUP
sysMCAST_LEAVE_GROUP = C.MCAST_LEAVE_GROUP
sysMCAST_BLOCK_SOURCE = C.MCAST_BLOCK_SOURCE
sysMCAST_UNBLOCK_SOURCE = C.MCAST_UNBLOCK_SOURCE
sysMCAST_JOIN_SOURCE_GROUP = C.MCAST_JOIN_SOURCE_GROUP
sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP

sysIPV6_PREFER_SRC_HOME = C.IPV6_PREFER_SRC_HOME
sysIPV6_PREFER_SRC_COA = C.IPV6_PREFER_SRC_COA
sysIPV6_PREFER_SRC_PUBLIC = C.IPV6_PREFER_SRC_PUBLIC
sysIPV6_PREFER_SRC_TMP = C.IPV6_PREFER_SRC_TMP
sysIPV6_PREFER_SRC_NONCGA = C.IPV6_PREFER_SRC_NONCGA
sysIPV6_PREFER_SRC_CGA = C.IPV6_PREFER_SRC_CGA

sysIPV6_PREFER_SRC_MIPMASK = C.IPV6_PREFER_SRC_MIPMASK
sysIPV6_PREFER_SRC_MIPDEFAULT = C.IPV6_PREFER_SRC_MIPDEFAULT
sysIPV6_PREFER_SRC_TMPMASK = C.IPV6_PREFER_SRC_TMPMASK
sysIPV6_PREFER_SRC_TMPDEFAULT = C.IPV6_PREFER_SRC_TMPDEFAULT
sysIPV6_PREFER_SRC_CGAMASK = C.IPV6_PREFER_SRC_CGAMASK
sysIPV6_PREFER_SRC_CGADEFAULT = C.IPV6_PREFER_SRC_CGADEFAULT

sysIPV6_PREFER_SRC_MASK = C.IPV6_PREFER_SRC_MASK

sysIPV6_PREFER_SRC_DEFAULT = C.IPV6_PREFER_SRC_DEFAULT

sysIPV6_BOUND_IF = C.IPV6_BOUND_IF
sysIPV6_UNSPEC_SRC = C.IPV6_UNSPEC_SRC

sysICMP6_FILTER = C.ICMP6_FILTER

sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
sizeofInet6Pktinfo = C.sizeof_struct_in6_pktinfo
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48 changes: 25 additions & 23 deletions ipv6/sys_solaris.go
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Original file line number Diff line number Diff line change
Expand Up @@ -11,36 +11,38 @@ import (

"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/socket"

"golang.org/x/sys/unix"
)

var (
ctlOpts = [ctlMax]ctlOpt{
ctlTrafficClass: {sysIPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
ctlHopLimit: {sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
ctlPacketInfo: {sysIPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
ctlNextHop: {sysIPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
ctlPathMTU: {sysIPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
}

sockOpts = map[int]*sockOpt{
ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_TCLASS, Len: 4}},
ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_UNICAST_HOPS, Len: 4}},
ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_IF, Len: 4}},
ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_HOPS, Len: 4}},
ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_LOOP, Len: 4}},
ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVTCLASS, Len: 4}},
ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVHOPLIMIT, Len: 4}},
ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPKTINFO, Len: 4}},
ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPATHMTU, Len: 4}},
ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_CHECKSUM, Len: 4}},
ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: sysICMP6_FILTER, Len: sizeofICMPv6Filter}},
ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}},
ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}},
ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}},
ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}},
ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}},
ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}},
ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}},
ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}},
ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}},
ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}},
ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}},
ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
}
)

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