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-rw-r--r--pkg/tcpip/network/ipv6/ipv6.go15
1 files changed, 7 insertions, 8 deletions
diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go
index 35d125a53..a9de6020f 100644
--- a/pkg/tcpip/network/ipv6/ipv6.go
+++ b/pkg/tcpip/network/ipv6/ipv6.go
@@ -675,8 +675,7 @@ func addIPHeader(srcAddr, dstAddr tcpip.Address, pkt *stack.PacketBuffer, params
if length > math.MaxUint16 {
return &tcpip.ErrMessageTooLong{}
}
- ip := header.IPv6(pkt.NetworkHeader().Push(header.IPv6MinimumSize + extHdrsLen))
- ip.Encode(&header.IPv6Fields{
+ header.IPv6(pkt.NetworkHeader().Push(header.IPv6MinimumSize + extHdrsLen)).Encode(&header.IPv6Fields{
PayloadLength: uint16(length),
TransportProtocol: params.Protocol,
HopLimit: params.TTL,
@@ -918,20 +917,20 @@ func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt *stack.PacketBu
if !ok {
return &tcpip.ErrMalformedHeader{}
}
- ip := header.IPv6(h)
+ ipH := header.IPv6(h)
// Always set the payload length.
pktSize := pkt.Data().Size()
- ip.SetPayloadLength(uint16(pktSize - header.IPv6MinimumSize))
+ ipH.SetPayloadLength(uint16(pktSize - header.IPv6MinimumSize))
// Set the source address when zero.
- if ip.SourceAddress() == header.IPv6Any {
- ip.SetSourceAddress(r.LocalAddress())
+ if ipH.SourceAddress() == header.IPv6Any {
+ ipH.SetSourceAddress(r.LocalAddress())
}
// Set the destination. If the packet already included a destination, it will
// be part of the route anyways.
- ip.SetDestinationAddress(r.RemoteAddress())
+ ipH.SetDestinationAddress(r.RemoteAddress())
// Populate the packet buffer's network header and don't allow an invalid
// packet to be sent.
@@ -2189,7 +2188,7 @@ func calculateNetworkMTU(linkMTU, networkHeadersLen uint32) (uint32, tcpip.Error
return 0, &tcpip.ErrMalformedHeader{}
}
- networkMTU := linkMTU - uint32(networkHeadersLen)
+ networkMTU := linkMTU - networkHeadersLen
if networkMTU > maxPayloadSize {
networkMTU = maxPayloadSize
}