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-rw-r--r--pkg/tcpip/header/ndp_options.go6
-rw-r--r--pkg/tcpip/link/channel/channel.go2
-rw-r--r--pkg/tcpip/network/ipv6/ndp.go2
-rw-r--r--pkg/tcpip/stack/stack.go7
-rw-r--r--pkg/tcpip/transport/icmp/endpoint.go8
-rw-r--r--pkg/tcpip/transport/packet/endpoint.go14
-rw-r--r--pkg/tcpip/transport/raw/endpoint.go12
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go4
-rw-r--r--pkg/tcpip/transport/tcp/protocol.go2
-rw-r--r--pkg/tcpip/transport/tcp/rack.go2
-rw-r--r--pkg/tcpip/transport/tcp/rcv.go4
-rw-r--r--pkg/tcpip/transport/tcp/segment.go4
-rw-r--r--pkg/tcpip/transport/tcp/snd.go6
-rw-r--r--pkg/tcpip/transport/udp/endpoint.go10
14 files changed, 38 insertions, 45 deletions
diff --git a/pkg/tcpip/header/ndp_options.go b/pkg/tcpip/header/ndp_options.go
index 3d1bccd15..d6cad3a94 100644
--- a/pkg/tcpip/header/ndp_options.go
+++ b/pkg/tcpip/header/ndp_options.go
@@ -77,12 +77,12 @@ const (
// ndpPrefixInformationOnLinkFlagMask is the mask of the On-Link Flag
// field in the flags byte within an NDPPrefixInformation.
- ndpPrefixInformationOnLinkFlagMask = (1 << 7)
+ ndpPrefixInformationOnLinkFlagMask = 1 << 7
// ndpPrefixInformationAutoAddrConfFlagMask is the mask of the
// Autonomous Address-Configuration flag field in the flags byte within
// an NDPPrefixInformation.
- ndpPrefixInformationAutoAddrConfFlagMask = (1 << 6)
+ ndpPrefixInformationAutoAddrConfFlagMask = 1 << 6
// ndpPrefixInformationReserved1FlagsMask is the mask of the Reserved1
// field in the flags byte within an NDPPrefixInformation.
@@ -451,7 +451,7 @@ func (o NDPNonceOption) String() string {
// Nonce returns the nonce value this option holds.
func (o NDPNonceOption) Nonce() []byte {
- return []byte(o)
+ return o
}
// NDPSourceLinkLayerAddressOption is the NDP Source Link Layer Option
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go
index ef9126deb..f26c857eb 100644
--- a/pkg/tcpip/link/channel/channel.go
+++ b/pkg/tcpip/link/channel/channel.go
@@ -288,5 +288,5 @@ func (*Endpoint) ARPHardwareType() header.ARPHardwareType {
}
// AddHeader implements stack.LinkEndpoint.AddHeader.
-func (e *Endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
+func (*Endpoint) AddHeader(tcpip.LinkAddress, tcpip.LinkAddress, tcpip.NetworkProtocolNumber, *stack.PacketBuffer) {
}
diff --git a/pkg/tcpip/network/ipv6/ndp.go b/pkg/tcpip/network/ipv6/ndp.go
index f0ff111c5..11ff36561 100644
--- a/pkg/tcpip/network/ipv6/ndp.go
+++ b/pkg/tcpip/network/ipv6/ndp.go
@@ -1754,7 +1754,7 @@ func (ndp *ndpState) startSolicitingRouters() {
header.NDPSourceLinkLayerAddressOption(linkAddress),
}
}
- payloadSize := header.ICMPv6HeaderSize + header.NDPRSMinimumSize + int(optsSerializer.Length())
+ payloadSize := header.ICMPv6HeaderSize + header.NDPRSMinimumSize + optsSerializer.Length()
icmpData := header.ICMPv6(buffer.NewView(payloadSize))
icmpData.SetType(header.ICMPv6RouterSolicit)
rs := header.NDPRouterSolicit(icmpData.MessageBody())
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index 916ebef11..72760a4a7 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -40,13 +40,6 @@ import (
)
const (
- // ageLimit is set to the same cache stale time used in Linux.
- ageLimit = 1 * time.Minute
- // resolutionTimeout is set to the same ARP timeout used in Linux.
- resolutionTimeout = 1 * time.Second
- // resolutionAttempts is set to the same ARP retries used in Linux.
- resolutionAttempts = 3
-
// DefaultTOS is the default type of service value for network endpoints.
DefaultTOS = 0
)
diff --git a/pkg/tcpip/transport/icmp/endpoint.go b/pkg/tcpip/transport/icmp/endpoint.go
index 8afde7fca..517903ae7 100644
--- a/pkg/tcpip/transport/icmp/endpoint.go
+++ b/pkg/tcpip/transport/icmp/endpoint.go
@@ -160,7 +160,7 @@ func (e *endpoint) Close() {
}
// ModerateRecvBuf implements tcpip.Endpoint.ModerateRecvBuf.
-func (e *endpoint) ModerateRecvBuf(copied int) {}
+func (*endpoint) ModerateRecvBuf(int) {}
// SetOwner implements tcpip.Endpoint.SetOwner.
func (e *endpoint) SetOwner(owner tcpip.PacketOwner) {
@@ -349,7 +349,7 @@ func (e *endpoint) write(p tcpip.Payloader, opts tcpip.WriteOptions) (int64, tcp
}
// SetSockOpt sets a socket option.
-func (e *endpoint) SetSockOpt(opt tcpip.SettableSocketOption) tcpip.Error {
+func (*endpoint) SetSockOpt(tcpip.SettableSocketOption) tcpip.Error {
return nil
}
@@ -390,7 +390,7 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, tcpip.Error) {
}
// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
-func (e *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) tcpip.Error {
+func (*endpoint) GetSockOpt(tcpip.GettableSocketOption) tcpip.Error {
return &tcpip.ErrUnknownProtocolOption{}
}
@@ -606,7 +606,7 @@ func (*endpoint) Accept(*tcpip.FullAddress) (tcpip.Endpoint, *waiter.Queue, tcpi
return nil, nil, &tcpip.ErrNotSupported{}
}
-func (e *endpoint) registerWithStack(nicID tcpip.NICID, netProtos []tcpip.NetworkProtocolNumber, id stack.TransportEndpointID) (stack.TransportEndpointID, tcpip.Error) {
+func (e *endpoint) registerWithStack(_ tcpip.NICID, netProtos []tcpip.NetworkProtocolNumber, id stack.TransportEndpointID) (stack.TransportEndpointID, tcpip.Error) {
if id.LocalPort != 0 {
// The endpoint already has a local port, just attempt to
// register it.
diff --git a/pkg/tcpip/transport/packet/endpoint.go b/pkg/tcpip/transport/packet/endpoint.go
index 496eca581..fa703a0ed 100644
--- a/pkg/tcpip/transport/packet/endpoint.go
+++ b/pkg/tcpip/transport/packet/endpoint.go
@@ -159,7 +159,7 @@ func (ep *endpoint) Close() {
}
// ModerateRecvBuf implements tcpip.Endpoint.ModerateRecvBuf.
-func (ep *endpoint) ModerateRecvBuf(copied int) {}
+func (*endpoint) ModerateRecvBuf(int) {}
// Read implements tcpip.Endpoint.Read.
func (ep *endpoint) Read(dst io.Writer, opts tcpip.ReadOptions) (tcpip.ReadResult, tcpip.Error) {
@@ -220,19 +220,19 @@ func (*endpoint) Disconnect() tcpip.Error {
// Connect implements tcpip.Endpoint.Connect. Packet sockets cannot be
// connected, and this function always returnes *tcpip.ErrNotSupported.
-func (*endpoint) Connect(addr tcpip.FullAddress) tcpip.Error {
+func (*endpoint) Connect(tcpip.FullAddress) tcpip.Error {
return &tcpip.ErrNotSupported{}
}
// Shutdown implements tcpip.Endpoint.Shutdown. Packet sockets cannot be used
// with Shutdown, and this function always returns *tcpip.ErrNotSupported.
-func (*endpoint) Shutdown(flags tcpip.ShutdownFlags) tcpip.Error {
+func (*endpoint) Shutdown(tcpip.ShutdownFlags) tcpip.Error {
return &tcpip.ErrNotSupported{}
}
// Listen implements tcpip.Endpoint.Listen. Packet sockets cannot be used with
// Listen, and this function always returns *tcpip.ErrNotSupported.
-func (*endpoint) Listen(backlog int) tcpip.Error {
+func (*endpoint) Listen(int) tcpip.Error {
return &tcpip.ErrNotSupported{}
}
@@ -318,7 +318,7 @@ func (ep *endpoint) SetSockOpt(opt tcpip.SettableSocketOption) tcpip.Error {
}
// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
-func (ep *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) tcpip.Error {
+func (*endpoint) SetSockOptInt(tcpip.SockOptInt, int) tcpip.Error {
return &tcpip.ErrUnknownProtocolOption{}
}
@@ -339,7 +339,7 @@ func (ep *endpoint) UpdateLastError(err tcpip.Error) {
}
// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
-func (ep *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) tcpip.Error {
+func (*endpoint) GetSockOpt(tcpip.GettableSocketOption) tcpip.Error {
return &tcpip.ErrNotSupported{}
}
@@ -484,7 +484,7 @@ func (ep *endpoint) Stats() tcpip.EndpointStats {
}
// SetOwner implements tcpip.Endpoint.SetOwner.
-func (ep *endpoint) SetOwner(owner tcpip.PacketOwner) {}
+func (*endpoint) SetOwner(tcpip.PacketOwner) {}
// SocketOptions implements tcpip.Endpoint.SocketOptions.
func (ep *endpoint) SocketOptions() *tcpip.SocketOptions {
diff --git a/pkg/tcpip/transport/raw/endpoint.go b/pkg/tcpip/transport/raw/endpoint.go
index bcec3d2e7..07a585444 100644
--- a/pkg/tcpip/transport/raw/endpoint.go
+++ b/pkg/tcpip/transport/raw/endpoint.go
@@ -183,7 +183,7 @@ func (e *endpoint) Close() {
}
// ModerateRecvBuf implements tcpip.Endpoint.ModerateRecvBuf.
-func (e *endpoint) ModerateRecvBuf(copied int) {}
+func (*endpoint) ModerateRecvBuf(int) {}
func (e *endpoint) SetOwner(owner tcpip.PacketOwner) {
e.mu.Lock()
@@ -402,7 +402,7 @@ func (e *endpoint) Connect(addr tcpip.FullAddress) tcpip.Error {
}
// Find a route to the destination.
- route, err := e.stack.FindRoute(nic, tcpip.Address(""), addr.Addr, e.NetProto, false)
+ route, err := e.stack.FindRoute(nic, "", addr.Addr, e.NetProto, false)
if err != nil {
return err
}
@@ -428,7 +428,7 @@ func (e *endpoint) Connect(addr tcpip.FullAddress) tcpip.Error {
}
// Shutdown implements tcpip.Endpoint.Shutdown. It's a noop for raw sockets.
-func (e *endpoint) Shutdown(flags tcpip.ShutdownFlags) tcpip.Error {
+func (e *endpoint) Shutdown(tcpip.ShutdownFlags) tcpip.Error {
e.mu.Lock()
defer e.mu.Unlock()
@@ -439,7 +439,7 @@ func (e *endpoint) Shutdown(flags tcpip.ShutdownFlags) tcpip.Error {
}
// Listen implements tcpip.Endpoint.Listen.
-func (*endpoint) Listen(backlog int) tcpip.Error {
+func (*endpoint) Listen(int) tcpip.Error {
return &tcpip.ErrNotSupported{}
}
@@ -513,12 +513,12 @@ func (e *endpoint) SetSockOpt(opt tcpip.SettableSocketOption) tcpip.Error {
}
}
-func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) tcpip.Error {
+func (*endpoint) SetSockOptInt(tcpip.SockOptInt, int) tcpip.Error {
return &tcpip.ErrUnknownProtocolOption{}
}
// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
-func (e *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) tcpip.Error {
+func (*endpoint) GetSockOpt(tcpip.GettableSocketOption) tcpip.Error {
return &tcpip.ErrUnknownProtocolOption{}
}
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index c6bf1fd98..fb7670adb 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -818,7 +818,7 @@ func newEndpoint(s *stack.Stack, netProto tcpip.NetworkProtocolNumber, waiterQue
},
sndQueueInfo: sndQueueInfo{
TCPSndBufState: stack.TCPSndBufState{
- SndMTU: int(math.MaxInt32),
+ SndMTU: math.MaxInt32,
},
},
waiterQueue: waiterQueue,
@@ -2748,7 +2748,7 @@ func (e *endpoint) updateSndBufferUsage(v int) {
// We only notify when there is half the sendBufferSize available after
// a full buffer event occurs. This ensures that we don't wake up
// writers to queue just 1-2 segments and go back to sleep.
- notify = notify && e.sndQueueInfo.SndBufUsed < int(sendBufferSize)>>1
+ notify = notify && e.sndQueueInfo.SndBufUsed < sendBufferSize>>1
e.sndQueueInfo.sndQueueMu.Unlock()
if notify {
diff --git a/pkg/tcpip/transport/tcp/protocol.go b/pkg/tcpip/transport/tcp/protocol.go
index a3d1aa1a3..d43e21426 100644
--- a/pkg/tcpip/transport/tcp/protocol.go
+++ b/pkg/tcpip/transport/tcp/protocol.go
@@ -401,7 +401,7 @@ func (p *protocol) Option(option tcpip.GettableTransportProtocolOption) tcpip.Er
case *tcpip.TCPTimeWaitReuseOption:
p.mu.RLock()
- *v = tcpip.TCPTimeWaitReuseOption(p.timeWaitReuse)
+ *v = p.timeWaitReuse
p.mu.RUnlock()
return nil
diff --git a/pkg/tcpip/transport/tcp/rack.go b/pkg/tcpip/transport/tcp/rack.go
index 9e332dcf7..813a6dffd 100644
--- a/pkg/tcpip/transport/tcp/rack.go
+++ b/pkg/tcpip/transport/tcp/rack.go
@@ -279,7 +279,7 @@ func (s *sender) detectTLPRecovery(ack seqnum.Value, rcvdSeg *segment) {
// been observed RACK uses reo_wnd of zero during loss recovery, in order to
// retransmit quickly, or when the number of DUPACKs exceeds the classic
// DUPACKthreshold.
-func (rc *rackControl) updateRACKReorderWindow(ackSeg *segment) {
+func (rc *rackControl) updateRACKReorderWindow() {
dsackSeen := rc.DSACKSeen
snd := rc.snd
diff --git a/pkg/tcpip/transport/tcp/rcv.go b/pkg/tcpip/transport/tcp/rcv.go
index 133371455..4fd8a0624 100644
--- a/pkg/tcpip/transport/tcp/rcv.go
+++ b/pkg/tcpip/transport/tcp/rcv.go
@@ -137,9 +137,9 @@ func (r *receiver) getSendParams() (RcvNxt seqnum.Value, rcvWnd seqnum.Size) {
// rcvWUP RcvNxt RcvAcc new RcvAcc
// <=====curWnd ===>
// <========= newWnd > curWnd ========= >
- if r.RcvNxt.Add(seqnum.Size(curWnd)).LessThan(r.RcvNxt.Add(seqnum.Size(newWnd))) && toGrow {
+ if r.RcvNxt.Add(curWnd).LessThan(r.RcvNxt.Add(newWnd)) && toGrow {
// If the new window moves the right edge, then update RcvAcc.
- r.RcvAcc = r.RcvNxt.Add(seqnum.Size(newWnd))
+ r.RcvAcc = r.RcvNxt.Add(newWnd)
} else {
if newWnd == 0 {
// newWnd is zero but we can't advertise a zero as it would cause window
diff --git a/pkg/tcpip/transport/tcp/segment.go b/pkg/tcpip/transport/tcp/segment.go
index 7e5ba6ef7..61754de29 100644
--- a/pkg/tcpip/transport/tcp/segment.go
+++ b/pkg/tcpip/transport/tcp/segment.go
@@ -243,7 +243,7 @@ func (s *segment) parse(skipChecksumValidation bool) bool {
return false
}
- s.options = []byte(s.hdr[header.TCPMinimumSize:])
+ s.options = s.hdr[header.TCPMinimumSize:]
s.parsedOptions = header.ParseTCPOptions(s.options)
if skipChecksumValidation {
s.csumValid = true
@@ -262,5 +262,5 @@ func (s *segment) parse(skipChecksumValidation bool) bool {
// sackBlock returns a header.SACKBlock that represents this segment.
func (s *segment) sackBlock() header.SACKBlock {
- return header.SACKBlock{s.sequenceNumber, s.sequenceNumber.Add(s.logicalLen())}
+ return header.SACKBlock{Start: s.sequenceNumber, End: s.sequenceNumber.Add(s.logicalLen())}
}
diff --git a/pkg/tcpip/transport/tcp/snd.go b/pkg/tcpip/transport/tcp/snd.go
index f43e86677..6b7293755 100644
--- a/pkg/tcpip/transport/tcp/snd.go
+++ b/pkg/tcpip/transport/tcp/snd.go
@@ -616,7 +616,7 @@ func (s *sender) NextSeg(nextSegHint *segment) (nextSeg, hint *segment, rescueRt
// 'S2' that meets the following 3 criteria for determinig
// loss, the sequence range of one segment of up to SMSS
// octects starting with S2 MUST be returned.
- if !s.ep.scoreboard.IsSACKED(header.SACKBlock{segSeq, segSeq.Add(1)}) {
+ if !s.ep.scoreboard.IsSACKED(header.SACKBlock{Start: segSeq, End: segSeq.Add(1)}) {
// NextSeg():
//
// (1.a) S2 is greater than HighRxt
@@ -1024,7 +1024,7 @@ func (s *sender) SetPipe() {
if segEnd.LessThan(endSeq) {
endSeq = segEnd
}
- sb := header.SACKBlock{startSeq, endSeq}
+ sb := header.SACKBlock{Start: startSeq, End: endSeq}
// SetPipe():
//
// After initializing pipe to zero, the following steps are
@@ -1455,7 +1455,7 @@ func (s *sender) handleRcvdSegment(rcvdSeg *segment) {
// See: https://tools.ietf.org/html/draft-ietf-tcpm-rack-08#section-7.2
// * Upon receiving an ACK:
// * Step 4: Update RACK reordering window
- s.rc.updateRACKReorderWindow(rcvdSeg)
+ s.rc.updateRACKReorderWindow()
// After the reorder window is calculated, detect any loss by checking
// if the time elapsed after the segments are sent is greater than the
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index 54d583fbd..623e069a6 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -291,7 +291,7 @@ func (e *endpoint) Close() {
}
// ModerateRecvBuf implements tcpip.Endpoint.ModerateRecvBuf.
-func (e *endpoint) ModerateRecvBuf(copied int) {}
+func (*endpoint) ModerateRecvBuf(int) {}
// Read implements tcpip.Endpoint.Read.
func (e *endpoint) Read(dst io.Writer, opts tcpip.ReadOptions) (tcpip.ReadResult, tcpip.Error) {
@@ -802,8 +802,8 @@ func (e *endpoint) GetSockOpt(opt tcpip.GettableSocketOption) tcpip.Error {
case *tcpip.MulticastInterfaceOption:
e.mu.Lock()
*o = tcpip.MulticastInterfaceOption{
- e.multicastNICID,
- e.multicastAddr,
+ NIC: e.multicastNICID,
+ InterfaceAddr: e.multicastAddr,
}
e.mu.Unlock()
@@ -1302,12 +1302,12 @@ func (e *endpoint) HandlePacket(id stack.TransportEndpointID, pkt *stack.PacketB
senderAddress: tcpip.FullAddress{
NIC: pkt.NICID,
Addr: id.RemoteAddress,
- Port: header.UDP(hdr).SourcePort(),
+ Port: hdr.SourcePort(),
},
destinationAddress: tcpip.FullAddress{
NIC: pkt.NICID,
Addr: id.LocalAddress,
- Port: header.UDP(hdr).DestinationPort(),
+ Port: hdr.DestinationPort(),
},
data: pkt.Data().ExtractVV(),
}