diff options
Diffstat (limited to 'pkg/tcpip/header/ipv6.go')
| -rw-r--r-- | pkg/tcpip/header/ipv6.go | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/pkg/tcpip/header/ipv6.go b/pkg/tcpip/header/ipv6.go index 31be42ce0..bc4e56535 100644 --- a/pkg/tcpip/header/ipv6.go +++ b/pkg/tcpip/header/ipv6.go @@ -27,7 +27,7 @@ const ( nextHdr = 6 hopLimit = 7 v6SrcAddr = 8 - v6DstAddr = 24 + v6DstAddr = v6SrcAddr + IPv6AddressSize ) // IPv6Fields contains the fields of an IPv6 packet. It is used to describe the @@ -119,13 +119,13 @@ func (b IPv6) Payload() []byte { // SourceAddress returns the "source address" field of the ipv6 header. func (b IPv6) SourceAddress() tcpip.Address { - return tcpip.Address(b[v6SrcAddr : v6SrcAddr+IPv6AddressSize]) + return tcpip.Address(b[v6SrcAddr:][:IPv6AddressSize]) } // DestinationAddress returns the "destination address" field of the ipv6 // header. func (b IPv6) DestinationAddress() tcpip.Address { - return tcpip.Address(b[v6DstAddr : v6DstAddr+IPv6AddressSize]) + return tcpip.Address(b[v6DstAddr:][:IPv6AddressSize]) } // Checksum implements Network.Checksum. Given that IPv6 doesn't have a @@ -153,13 +153,13 @@ func (b IPv6) SetPayloadLength(payloadLength uint16) { // SetSourceAddress sets the "source address" field of the ipv6 header. func (b IPv6) SetSourceAddress(addr tcpip.Address) { - copy(b[v6SrcAddr:v6SrcAddr+IPv6AddressSize], addr) + copy(b[v6SrcAddr:][:IPv6AddressSize], addr) } // SetDestinationAddress sets the "destination address" field of the ipv6 // header. func (b IPv6) SetDestinationAddress(addr tcpip.Address) { - copy(b[v6DstAddr:v6DstAddr+IPv6AddressSize], addr) + copy(b[v6DstAddr:][:IPv6AddressSize], addr) } // SetNextHeader sets the value of the "next header" field of the ipv6 header. @@ -178,8 +178,8 @@ func (b IPv6) Encode(i *IPv6Fields) { b.SetPayloadLength(i.PayloadLength) b[nextHdr] = i.NextHeader b[hopLimit] = i.HopLimit - copy(b[v6SrcAddr:v6SrcAddr+IPv6AddressSize], i.SrcAddr) - copy(b[v6DstAddr:v6DstAddr+IPv6AddressSize], i.DstAddr) + b.SetSourceAddress(i.SrcAddr) + b.SetDestinationAddress(i.DstAddr) } // IsValid performs basic validation on the packet. |