diff options
Diffstat (limited to 'pkg/tcpip')
-rw-r--r-- | pkg/tcpip/network/ipv4/ipv4_test.go | 28 | ||||
-rw-r--r-- | pkg/tcpip/network/ipv6/ipv6.go | 15 | ||||
-rw-r--r-- | pkg/tcpip/stack/transport_demuxer_test.go | 14 |
3 files changed, 29 insertions, 28 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4_test.go b/pkg/tcpip/network/ipv4/ipv4_test.go index 7a8e0aa24..93d820a5b 100644 --- a/pkg/tcpip/network/ipv4/ipv4_test.go +++ b/pkg/tcpip/network/ipv4/ipv4_test.go @@ -398,13 +398,13 @@ func TestForwarding(t *testing.T) { totalLength := ipHeaderLength + icmpHeaderLength + test.payloadLength hdr := buffer.NewPrependable(totalLength) hdr.Prepend(test.payloadLength) - icmp := header.ICMPv4(hdr.Prepend(icmpHeaderLength)) - icmp.SetIdent(randomIdent) - icmp.SetSequence(randomSequence) - icmp.SetType(header.ICMPv4Echo) - icmp.SetCode(header.ICMPv4UnusedCode) - icmp.SetChecksum(0) - icmp.SetChecksum(^header.Checksum(icmp, 0)) + icmpH := header.ICMPv4(hdr.Prepend(icmpHeaderLength)) + icmpH.SetIdent(randomIdent) + icmpH.SetSequence(randomSequence) + icmpH.SetType(header.ICMPv4Echo) + icmpH.SetCode(header.ICMPv4UnusedCode) + icmpH.SetChecksum(0) + icmpH.SetChecksum(^header.Checksum(icmpH, 0)) ip := header.IPv4(hdr.Prepend(ipHeaderLength)) ip.Encode(&header.IPv4Fields{ TotalLength: uint16(totalLength), @@ -1208,15 +1208,15 @@ func TestIPv4Sanity(t *testing.T) { } totalLen := uint16(ipHeaderLength + header.ICMPv4MinimumSize) hdr := buffer.NewPrependable(int(totalLen)) - icmp := header.ICMPv4(hdr.Prepend(header.ICMPv4MinimumSize)) + icmpH := header.ICMPv4(hdr.Prepend(header.ICMPv4MinimumSize)) // Specify ident/seq to make sure we get the same in the response. - icmp.SetIdent(randomIdent) - icmp.SetSequence(randomSequence) - icmp.SetType(header.ICMPv4Echo) - icmp.SetCode(header.ICMPv4UnusedCode) - icmp.SetChecksum(0) - icmp.SetChecksum(^header.Checksum(icmp, 0)) + icmpH.SetIdent(randomIdent) + icmpH.SetSequence(randomSequence) + icmpH.SetType(header.ICMPv4Echo) + icmpH.SetCode(header.ICMPv4UnusedCode) + icmpH.SetChecksum(0) + icmpH.SetChecksum(^header.Checksum(icmpH, 0)) ip := header.IPv4(hdr.Prepend(ipHeaderLength)) if test.maxTotalLength < totalLen { totalLen = test.maxTotalLength 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 } diff --git a/pkg/tcpip/stack/transport_demuxer_test.go b/pkg/tcpip/stack/transport_demuxer_test.go index 4848495c9..bdd245d5e 100644 --- a/pkg/tcpip/stack/transport_demuxer_test.go +++ b/pkg/tcpip/stack/transport_demuxer_test.go @@ -291,14 +291,17 @@ func TestBindToDeviceDistribution(t *testing.T) { wq := waiter.Queue{} we, ch := waiter.NewChannelEntry(nil) wq.EventRegister(&we, waiter.ReadableEvents) - defer wq.EventUnregister(&we) - defer close(ch) + t.Cleanup(func() { + wq.EventUnregister(&we) + close(ch) + }) var err tcpip.Error ep, err := c.s.NewEndpoint(udp.ProtocolNumber, netProtoNum, &wq) if err != nil { t.Fatalf("NewEndpoint failed: %s", err) } + t.Cleanup(ep.Close) eps[ep] = i go func(ep tcpip.Endpoint) { @@ -307,7 +310,6 @@ func TestBindToDeviceDistribution(t *testing.T) { } }(ep) - defer ep.Close() ep.SocketOptions().SetReusePort(endpoint.reuse) if err := ep.SocketOptions().SetBindToDevice(int32(endpoint.bindToDevice)); err != nil { t.Fatalf("SetSockOpt(&%T(%d)) on endpoint %d failed: %s", endpoint.bindToDevice, endpoint.bindToDevice, i, err) @@ -332,7 +334,7 @@ func TestBindToDeviceDistribution(t *testing.T) { if got, want := len(test.endpoints), len(wantDistribution); got != want { t.Fatalf("got len(test.endpoints) = %d, want %d", got, want) } - ports := make(map[uint16]tcpip.Endpoint) + endpoints := make(map[uint16]tcpip.Endpoint) stats := make(map[tcpip.Endpoint]int) for i := 0; i < npackets; i++ { // Send a packet. @@ -357,11 +359,11 @@ func TestBindToDeviceDistribution(t *testing.T) { } stats[ep]++ if i < nports { - ports[uint16(i)] = ep + endpoints[uint16(i)] = ep } else { // Check that all packets from one client are handled by the same // socket. - if want, got := ports[port], ep; want != got { + if want, got := endpoints[port], ep; want != got { t.Fatalf("Packet sent on port %d expected on endpoint %d but received on endpoint %d", port, eps[want], eps[got]) } } |