diff options
Diffstat (limited to 'pkg/tcpip/header/icmpv6.go')
| -rw-r--r-- | pkg/tcpip/header/icmpv6.go | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/pkg/tcpip/header/icmpv6.go b/pkg/tcpip/header/icmpv6.go index 4eb5abd79..4303fc5d5 100644 --- a/pkg/tcpip/header/icmpv6.go +++ b/pkg/tcpip/header/icmpv6.go @@ -49,11 +49,6 @@ const ( // neighbor advertisement packet. ICMPv6NeighborAdvertMinimumSize = ICMPv6HeaderSize + NDPNAMinimumSize - // ICMPv6NeighborAdvertSize is size of a neighbor advertisement - // including the NDP Target Link Layer option for an Ethernet - // address. - ICMPv6NeighborAdvertSize = ICMPv6HeaderSize + NDPNAMinimumSize + NDPLinkLayerAddressSize - // ICMPv6EchoMinimumSize is the minimum size of a valid echo packet. ICMPv6EchoMinimumSize = 8 @@ -156,9 +151,14 @@ const ( // ICMP codes used with Parameter Problem (Type 4). As per RFC 4443 section 3.4. const ( + // ICMPv6ErroneousHeader indicates an erroneous header field was encountered. ICMPv6ErroneousHeader ICMPv6Code = 0 - ICMPv6UnknownHeader ICMPv6Code = 1 - ICMPv6UnknownOption ICMPv6Code = 2 + + // ICMPv6UnknownHeader indicates an unrecognized Next Header type encountered. + ICMPv6UnknownHeader ICMPv6Code = 1 + + // ICMPv6UnknownOption indicates an unrecognized IPv6 option was encountered. + ICMPv6UnknownOption ICMPv6Code = 2 ) // ICMPv6UnusedCode is the code value used with ICMPv6 messages which don't use @@ -177,7 +177,12 @@ func (b ICMPv6) Code() ICMPv6Code { return ICMPv6Code(b[1]) } // SetCode sets the ICMP code field. func (b ICMPv6) SetCode(c ICMPv6Code) { b[1] = byte(c) } -// SetTypeSpecific sets the full 32 bit type specific data field. +// TypeSpecific returns the type specific data field. +func (b ICMPv6) TypeSpecific() uint32 { + return binary.BigEndian.Uint32(b[icmpv6PointerOffset:]) +} + +// SetTypeSpecific sets the type specific data field. func (b ICMPv6) SetTypeSpecific(val uint32) { binary.BigEndian.PutUint32(b[icmpv6PointerOffset:], val) } |