text: // Created by cgo -godefs - DO NOT EDIT
  // cgo -godefs defs_linux.go
  
  package ipv6
  
  const (
  	sysIPV6_ADDRFORM       = 0x1
  	sysIPV6_2292PKTINFO    = 0x2
  	sysIPV6_2292HOPOPTS    = 0x3
  	sysIPV6_2292DSTOPTS    = 0x4
  	sysIPV6_2292RTHDR      = 0x5
  	sysIPV6_2292PKTOPTIONS = 0x6
  	sysIPV6_CHECKSUM       = 0x7
  	sysIPV6_2292HOPLIMIT   = 0x8
  	sysIPV6_NEXTHOP        = 0x9
  	sysIPV6_FLOWINFO       = 0xb
  
  	sysIPV6_UNICAST_HOPS        = 0x10
  	sysIPV6_MULTICAST_IF        = 0x11
  	sysIPV6_MULTICAST_HOPS      = 0x12
  	sysIPV6_MULTICAST_LOOP      = 0x13
  	sysIPV6_ADD_MEMBERSHIP      = 0x14
  	sysIPV6_DROP_MEMBERSHIP     = 0x15
  	sysMCAST_JOIN_GROUP         = 0x2a
  	sysMCAST_LEAVE_GROUP        = 0x2d
  	sysMCAST_JOIN_SOURCE_GROUP  = 0x2e
  	sysMCAST_LEAVE_SOURCE_GROUP = 0x2f
  	sysMCAST_BLOCK_SOURCE       = 0x2b
  	sysMCAST_UNBLOCK_SOURCE     = 0x2c
  	sysMCAST_MSFILTER           = 0x30
  	sysIPV6_ROUTER_ALERT        = 0x16
  	sysIPV6_MTU_DISCOVER        = 0x17
  	sysIPV6_MTU                 = 0x18
  	sysIPV6_RECVERR             = 0x19
  	sysIPV6_V6ONLY              = 0x1a
  	sysIPV6_JOIN_ANYCAST        = 0x1b
  	sysIPV6_LEAVE_ANYCAST       = 0x1c
  
  	sysIPV6_FLOWLABEL_MGR = 0x20
  	sysIPV6_FLOWINFO_SEND = 0x21
  
  	sysIPV6_IPSEC_POLICY = 0x22
  	sysIPV6_XFRM_POLICY  = 0x23
  
  	sysIPV6_RECVPKTINFO  = 0x31
  	sysIPV6_PKTINFO      = 0x32
  	sysIPV6_RECVHOPLIMIT = 0x33
  	sysIPV6_HOPLIMIT     = 0x34
  	sysIPV6_RECVHOPOPTS  = 0x35
  	sysIPV6_HOPOPTS      = 0x36
  	sysIPV6_RTHDRDSTOPTS = 0x37
  	sysIPV6_RECVRTHDR    = 0x38
  	sysIPV6_RTHDR        = 0x39
  	sysIPV6_RECVDSTOPTS  = 0x3a
  	sysIPV6_DSTOPTS      = 0x3b
  	sysIPV6_RECVPATHMTU  = 0x3c
  	sysIPV6_PATHMTU      = 0x3d
  	sysIPV6_DONTFRAG     = 0x3e
  
  	sysIPV6_RECVTCLASS = 0x42
  	sysIPV6_TCLASS     = 0x43
  
  	sysIPV6_ADDR_PREFERENCES = 0x48
  
  	sysIPV6_PREFER_SRC_TMP            = 0x1
  	sysIPV6_PREFER_SRC_PUBLIC         = 0x2
  	sysIPV6_PREFER_SRC_PUBTMP_DEFAULT = 0x100
  	sysIPV6_PREFER_SRC_COA            = 0x4
  	sysIPV6_PREFER_SRC_HOME           = 0x400
  	sysIPV6_PREFER_SRC_CGA            = 0x8
  	sysIPV6_PREFER_SRC_NONCGA         = 0x800
  
  	sysIPV6_MINHOPCOUNT = 0x49
  
  	sysIPV6_ORIGDSTADDR     = 0x4a
  	sysIPV6_RECVORIGDSTADDR = 0x4a
  	sysIPV6_TRANSPARENT     = 0x4b
  	sysIPV6_UNICAST_IF      = 0x4c
  
  	sysICMPV6_FILTER = 0x1
  
  	sysICMPV6_FILTER_BLOCK       = 0x1
  	sysICMPV6_FILTER_PASS        = 0x2
  	sysICMPV6_FILTER_BLOCKOTHERS = 0x3
  	sysICMPV6_FILTER_PASSONLY    = 0x4
  
  	sysSOL_SOCKET       = 0x1
  	sysSO_ATTACH_FILTER = 0x1a
  
  	sizeofKernelSockaddrStorage = 0x80
  	sizeofSockaddrInet6         = 0x1c
  	sizeofInet6Pktinfo          = 0x14
  	sizeofIPv6Mtuinfo           = 0x20
  	sizeofIPv6FlowlabelReq      = 0x20
  
  	sizeofIPv6Mreq       = 0x14
  	sizeofGroupReq       = 0x88
  	sizeofGroupSourceReq = 0x108
  
  	sizeofICMPv6Filter = 0x20
  )
  
  type kernelSockaddrStorage struct {
  	Family  uint16
  	X__data [126]int8
  }
  
  type sockaddrInet6 struct {
  	Family   uint16
  	Port     uint16
  	Flowinfo uint32
  	Addr     [16]byte /* in6_addr */
  	Scope_id uint32
  }
  
  type inet6Pktinfo struct {
  	Addr    [16]byte /* in6_addr */
  	Ifindex int32
  }
  
  type ipv6Mtuinfo struct {
  	Addr sockaddrInet6
  	Mtu  uint32
  }
  
  type ipv6FlowlabelReq struct {
  	Dst        [16]byte /* in6_addr */
  	Label      uint32
  	Action     uint8
  	Share      uint8
  	Flags      uint16
  	Expires    uint16
  	Linger     uint16
  	X__flr_pad uint32
  }
  
  type ipv6Mreq struct {
  	Multiaddr [16]byte /* in6_addr */
  	Ifindex   int32
  }
  
  type groupReq struct {
  	Interface uint32
  	Pad_cgo_0 [4]byte
  	Group     kernelSockaddrStorage
  }
  
  type groupSourceReq struct {
  	Interface uint32
  	Pad_cgo_0 [4]byte
  	Group     kernelSockaddrStorage
  	Source    kernelSockaddrStorage
  }
  
  type icmpv6Filter struct {
  	Data [8]uint32
  }
  
  type sockFProg struct {
  	Len       uint16
  	Pad_cgo_0 [6]byte
  	Filter    *sockFilter
  }
  
  type sockFilter struct {
  	Code uint16
  	Jt   uint8
  	Jf   uint8
  	K    uint32
  }
  