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-rw-r--r--pkg/tcpip/network/arp/arp.go10
-rw-r--r--pkg/tcpip/network/arp/arp_test.go2
-rw-r--r--pkg/tcpip/network/ip_test.go30
-rw-r--r--pkg/tcpip/network/ipv4/icmp.go12
-rw-r--r--pkg/tcpip/network/ipv4/ipv4.go34
-rw-r--r--pkg/tcpip/network/ipv4/ipv4_test.go28
-rw-r--r--pkg/tcpip/network/ipv6/icmp.go10
-rw-r--r--pkg/tcpip/network/ipv6/icmp_test.go14
-rw-r--r--pkg/tcpip/network/ipv6/ipv6.go8
-rw-r--r--pkg/tcpip/network/ipv6/ipv6_test.go8
-rw-r--r--pkg/tcpip/network/ipv6/ndp_test.go10
11 files changed, 93 insertions, 73 deletions
diff --git a/pkg/tcpip/network/arp/arp.go b/pkg/tcpip/network/arp/arp.go
index 9d0797af7..ea1acba83 100644
--- a/pkg/tcpip/network/arp/arp.go
+++ b/pkg/tcpip/network/arp/arp.go
@@ -80,7 +80,7 @@ func (e *endpoint) MaxHeaderLength() uint16 {
func (e *endpoint) Close() {}
-func (e *endpoint) WritePacket(*stack.Route, *stack.GSO, stack.NetworkHeaderParams, stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) WritePacket(*stack.Route, *stack.GSO, stack.NetworkHeaderParams, *stack.PacketBuffer) *tcpip.Error {
return tcpip.ErrNotSupported
}
@@ -94,11 +94,11 @@ func (e *endpoint) WritePackets(*stack.Route, *stack.GSO, stack.PacketBufferList
return 0, tcpip.ErrNotSupported
}
-func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt *stack.PacketBuffer) *tcpip.Error {
return tcpip.ErrNotSupported
}
-func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) {
+func (e *endpoint) HandlePacket(r *stack.Route, pkt *stack.PacketBuffer) {
v, ok := pkt.Data.PullUp(header.ARPSize)
if !ok {
return
@@ -122,7 +122,7 @@ func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) {
copy(packet.ProtocolAddressSender(), h.ProtocolAddressTarget())
copy(packet.HardwareAddressTarget(), h.HardwareAddressSender())
copy(packet.ProtocolAddressTarget(), h.ProtocolAddressSender())
- e.linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, stack.PacketBuffer{
+ e.linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, &stack.PacketBuffer{
Header: hdr,
})
fallthrough // also fill the cache from requests
@@ -177,7 +177,7 @@ func (*protocol) LinkAddressRequest(addr, localAddr tcpip.Address, linkEP stack.
copy(h.ProtocolAddressSender(), localAddr)
copy(h.ProtocolAddressTarget(), addr)
- return linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, stack.PacketBuffer{
+ return linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, &stack.PacketBuffer{
Header: hdr,
})
}
diff --git a/pkg/tcpip/network/arp/arp_test.go b/pkg/tcpip/network/arp/arp_test.go
index 1646d9cde..66e67429c 100644
--- a/pkg/tcpip/network/arp/arp_test.go
+++ b/pkg/tcpip/network/arp/arp_test.go
@@ -103,7 +103,7 @@ func TestDirectRequest(t *testing.T) {
inject := func(addr tcpip.Address) {
copy(h.ProtocolAddressTarget(), addr)
- c.linkEP.InjectInbound(arp.ProtocolNumber, stack.PacketBuffer{
+ c.linkEP.InjectInbound(arp.ProtocolNumber, &stack.PacketBuffer{
Data: v.ToVectorisedView(),
})
}
diff --git a/pkg/tcpip/network/ip_test.go b/pkg/tcpip/network/ip_test.go
index 4c20301c6..d9b62f2db 100644
--- a/pkg/tcpip/network/ip_test.go
+++ b/pkg/tcpip/network/ip_test.go
@@ -96,7 +96,7 @@ func (t *testObject) checkValues(protocol tcpip.TransportProtocolNumber, vv buff
// DeliverTransportPacket is called by network endpoints after parsing incoming
// packets. This is used by the test object to verify that the results of the
// parsing are expected.
-func (t *testObject) DeliverTransportPacket(r *stack.Route, protocol tcpip.TransportProtocolNumber, pkt stack.PacketBuffer) {
+func (t *testObject) DeliverTransportPacket(r *stack.Route, protocol tcpip.TransportProtocolNumber, pkt *stack.PacketBuffer) {
t.checkValues(protocol, pkt.Data, r.RemoteAddress, r.LocalAddress)
t.dataCalls++
}
@@ -104,7 +104,7 @@ func (t *testObject) DeliverTransportPacket(r *stack.Route, protocol tcpip.Trans
// DeliverTransportControlPacket is called by network endpoints after parsing
// incoming control (ICMP) packets. This is used by the test object to verify
// that the results of the parsing are expected.
-func (t *testObject) DeliverTransportControlPacket(local, remote tcpip.Address, net tcpip.NetworkProtocolNumber, trans tcpip.TransportProtocolNumber, typ stack.ControlType, extra uint32, pkt stack.PacketBuffer) {
+func (t *testObject) DeliverTransportControlPacket(local, remote tcpip.Address, net tcpip.NetworkProtocolNumber, trans tcpip.TransportProtocolNumber, typ stack.ControlType, extra uint32, pkt *stack.PacketBuffer) {
t.checkValues(trans, pkt.Data, remote, local)
if typ != t.typ {
t.t.Errorf("typ = %v, want %v", typ, t.typ)
@@ -150,7 +150,7 @@ func (*testObject) Wait() {}
// WritePacket is called by network endpoints after producing a packet and
// writing it to the link endpoint. This is used by the test object to verify
// that the produced packet is as expected.
-func (t *testObject) WritePacket(_ *stack.Route, _ *stack.GSO, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) *tcpip.Error {
+func (t *testObject) WritePacket(_ *stack.Route, _ *stack.GSO, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) *tcpip.Error {
var prot tcpip.TransportProtocolNumber
var srcAddr tcpip.Address
var dstAddr tcpip.Address
@@ -246,7 +246,11 @@ func TestIPv4Send(t *testing.T) {
if err != nil {
t.Fatalf("could not find route: %v", err)
}
- if err := ep.WritePacket(&r, nil /* gso */, stack.NetworkHeaderParams{Protocol: 123, TTL: 123, TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ if err := ep.WritePacket(&r, nil /* gso */, stack.NetworkHeaderParams{
+ Protocol: 123,
+ TTL: 123,
+ TOS: stack.DefaultTOS,
+ }, &stack.PacketBuffer{
Header: hdr,
Data: payload.ToVectorisedView(),
}); err != nil {
@@ -289,7 +293,7 @@ func TestIPv4Receive(t *testing.T) {
if err != nil {
t.Fatalf("could not find route: %v", err)
}
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: view.ToVectorisedView(),
})
if o.dataCalls != 1 {
@@ -379,7 +383,7 @@ func TestIPv4ReceiveControl(t *testing.T) {
o.extra = c.expectedExtra
vv := view[:len(view)-c.trunc].ToVectorisedView()
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: vv,
})
if want := c.expectedCount; o.controlCalls != want {
@@ -444,7 +448,7 @@ func TestIPv4FragmentationReceive(t *testing.T) {
}
// Send first segment.
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: frag1.ToVectorisedView(),
})
if o.dataCalls != 0 {
@@ -452,7 +456,7 @@ func TestIPv4FragmentationReceive(t *testing.T) {
}
// Send second segment.
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: frag2.ToVectorisedView(),
})
if o.dataCalls != 1 {
@@ -487,7 +491,11 @@ func TestIPv6Send(t *testing.T) {
if err != nil {
t.Fatalf("could not find route: %v", err)
}
- if err := ep.WritePacket(&r, nil /* gso */, stack.NetworkHeaderParams{Protocol: 123, TTL: 123, TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ if err := ep.WritePacket(&r, nil /* gso */, stack.NetworkHeaderParams{
+ Protocol: 123,
+ TTL: 123,
+ TOS: stack.DefaultTOS,
+ }, &stack.PacketBuffer{
Header: hdr,
Data: payload.ToVectorisedView(),
}); err != nil {
@@ -530,7 +538,7 @@ func TestIPv6Receive(t *testing.T) {
t.Fatalf("could not find route: %v", err)
}
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: view.ToVectorisedView(),
})
if o.dataCalls != 1 {
@@ -644,7 +652,7 @@ func TestIPv6ReceiveControl(t *testing.T) {
// Set ICMPv6 checksum.
icmp.SetChecksum(header.ICMPv6Checksum(icmp, outerSrcAddr, localIpv6Addr, buffer.VectorisedView{}))
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: view[:len(view)-c.trunc].ToVectorisedView(),
})
if want := c.expectedCount; o.controlCalls != want {
diff --git a/pkg/tcpip/network/ipv4/icmp.go b/pkg/tcpip/network/ipv4/icmp.go
index 4cbefe5ab..d1c3ae835 100644
--- a/pkg/tcpip/network/ipv4/icmp.go
+++ b/pkg/tcpip/network/ipv4/icmp.go
@@ -24,7 +24,7 @@ import (
// the original packet that caused the ICMP one to be sent. This information is
// used to find out which transport endpoint must be notified about the ICMP
// packet.
-func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt stack.PacketBuffer) {
+func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt *stack.PacketBuffer) {
h, ok := pkt.Data.PullUp(header.IPv4MinimumSize)
if !ok {
return
@@ -56,7 +56,7 @@ func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt stack.
e.dispatcher.DeliverTransportControlPacket(e.id.LocalAddress, hdr.DestinationAddress(), ProtocolNumber, p, typ, extra, pkt)
}
-func (e *endpoint) handleICMP(r *stack.Route, pkt stack.PacketBuffer) {
+func (e *endpoint) handleICMP(r *stack.Route, pkt *stack.PacketBuffer) {
stats := r.Stats()
received := stats.ICMP.V4PacketsReceived
v, ok := pkt.Data.PullUp(header.ICMPv4MinimumSize)
@@ -88,7 +88,7 @@ func (e *endpoint) handleICMP(r *stack.Route, pkt stack.PacketBuffer) {
// It's possible that a raw socket expects to receive this.
h.SetChecksum(wantChecksum)
- e.dispatcher.DeliverTransportPacket(r, header.ICMPv4ProtocolNumber, stack.PacketBuffer{
+ e.dispatcher.DeliverTransportPacket(r, header.ICMPv4ProtocolNumber, &stack.PacketBuffer{
Data: pkt.Data.Clone(nil),
NetworkHeader: append(buffer.View(nil), pkt.NetworkHeader...),
})
@@ -102,7 +102,11 @@ func (e *endpoint) handleICMP(r *stack.Route, pkt stack.PacketBuffer) {
pkt.SetChecksum(0)
pkt.SetChecksum(^header.Checksum(pkt, header.ChecksumVV(vv, 0)))
sent := stats.ICMP.V4PacketsSent
- if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{Protocol: header.ICMPv4ProtocolNumber, TTL: r.DefaultTTL(), TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{
+ Protocol: header.ICMPv4ProtocolNumber,
+ TTL: r.DefaultTTL(),
+ TOS: stack.DefaultTOS,
+ }, &stack.PacketBuffer{
Header: hdr,
Data: vv,
TransportHeader: buffer.View(pkt),
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go
index 64046cbbf..9cd7592f4 100644
--- a/pkg/tcpip/network/ipv4/ipv4.go
+++ b/pkg/tcpip/network/ipv4/ipv4.go
@@ -129,7 +129,7 @@ func (e *endpoint) NetworkProtocolNumber() tcpip.NetworkProtocolNumber {
// packet's stated length matches the length of the header+payload. mtu
// includes the IP header and options. This does not support the DontFragment
// IP flag.
-func (e *endpoint) writePacketFragments(r *stack.Route, gso *stack.GSO, mtu int, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) writePacketFragments(r *stack.Route, gso *stack.GSO, mtu int, pkt *stack.PacketBuffer) *tcpip.Error {
// This packet is too big, it needs to be fragmented.
ip := header.IPv4(pkt.Header.View())
flags := ip.Flags()
@@ -169,7 +169,7 @@ func (e *endpoint) writePacketFragments(r *stack.Route, gso *stack.GSO, mtu int,
if i > 0 {
newPayload := pkt.Data.Clone(nil)
newPayload.CapLength(innerMTU)
- if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, stack.PacketBuffer{
+ if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, &stack.PacketBuffer{
Header: pkt.Header,
Data: newPayload,
NetworkHeader: buffer.View(h),
@@ -188,7 +188,7 @@ func (e *endpoint) writePacketFragments(r *stack.Route, gso *stack.GSO, mtu int,
newPayload := pkt.Data.Clone(nil)
newPayloadLength := outerMTU - pkt.Header.UsedLength()
newPayload.CapLength(newPayloadLength)
- if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, stack.PacketBuffer{
+ if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, &stack.PacketBuffer{
Header: pkt.Header,
Data: newPayload,
NetworkHeader: buffer.View(h),
@@ -202,7 +202,7 @@ func (e *endpoint) writePacketFragments(r *stack.Route, gso *stack.GSO, mtu int,
startOfHdr := pkt.Header
startOfHdr.TrimBack(pkt.Header.UsedLength() - outerMTU)
emptyVV := buffer.NewVectorisedView(0, []buffer.View{})
- if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, stack.PacketBuffer{
+ if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, &stack.PacketBuffer{
Header: startOfHdr,
Data: emptyVV,
NetworkHeader: buffer.View(h),
@@ -245,7 +245,7 @@ func (e *endpoint) addIPHeader(r *stack.Route, hdr *buffer.Prependable, payloadS
}
// WritePacket writes a packet to the given destination address and protocol.
-func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt *stack.PacketBuffer) *tcpip.Error {
ip := e.addIPHeader(r, &pkt.Header, pkt.Data.Size(), params)
pkt.NetworkHeader = buffer.View(ip)
@@ -253,7 +253,7 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.Netw
// iptables filtering. All packets that reach here are locally
// generated.
ipt := e.stack.IPTables()
- if ok := ipt.Check(stack.Output, &pkt, gso, r, "", nicName); !ok {
+ if ok := ipt.Check(stack.Output, pkt, gso, r, "", nicName); !ok {
// iptables is telling us to drop the packet.
return nil
}
@@ -271,9 +271,9 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.Netw
views := make([]buffer.View, 1, 1+len(pkt.Data.Views()))
views[0] = pkt.Header.View()
views = append(views, pkt.Data.Views()...)
- packet := stack.PacketBuffer{
- Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views)}
- ep.HandlePacket(&route, packet)
+ ep.HandlePacket(&route, &stack.PacketBuffer{
+ Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views),
+ })
return nil
}
}
@@ -286,7 +286,7 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.Netw
views = append(views, pkt.Data.Views()...)
loopedR := r.MakeLoopedRoute()
- e.HandlePacket(&loopedR, stack.PacketBuffer{
+ e.HandlePacket(&loopedR, &stack.PacketBuffer{
Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views),
})
@@ -351,14 +351,14 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
views := make([]buffer.View, 1, 1+len(pkt.Data.Views()))
views[0] = pkt.Header.View()
views = append(views, pkt.Data.Views()...)
- packet := stack.PacketBuffer{
- Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views)}
- ep.HandlePacket(&route, packet)
+ ep.HandlePacket(&route, &stack.PacketBuffer{
+ Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views),
+ })
n++
continue
}
}
- if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, *pkt); err != nil {
+ if err := e.linkEP.WritePacket(r, gso, ProtocolNumber, pkt); err != nil {
r.Stats().IP.PacketsSent.IncrementBy(uint64(n))
return n, err
}
@@ -370,7 +370,7 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
// WriteHeaderIncludedPacket writes a packet already containing a network
// header through the given route.
-func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt *stack.PacketBuffer) *tcpip.Error {
// The packet already has an IP header, but there are a few required
// checks.
h, ok := pkt.Data.PullUp(header.IPv4MinimumSize)
@@ -426,7 +426,7 @@ func (e *endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt stack.PacketBuf
// HandlePacket is called by the link layer when new ipv4 packets arrive for
// this endpoint.
-func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) {
+func (e *endpoint) HandlePacket(r *stack.Route, pkt *stack.PacketBuffer) {
headerView, ok := pkt.Data.PullUp(header.IPv4MinimumSize)
if !ok {
r.Stats().IP.MalformedPacketsReceived.Increment()
@@ -447,7 +447,7 @@ func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) {
// iptables filtering. All packets that reach here are intended for
// this machine and will not be forwarded.
ipt := e.stack.IPTables()
- if ok := ipt.Check(stack.Input, &pkt, nil, nil, "", ""); !ok {
+ if ok := ipt.Check(stack.Input, pkt, nil, nil, "", ""); !ok {
// iptables is telling us to drop the packet.
return
}
diff --git a/pkg/tcpip/network/ipv4/ipv4_test.go b/pkg/tcpip/network/ipv4/ipv4_test.go
index 36035c820..c208ebd99 100644
--- a/pkg/tcpip/network/ipv4/ipv4_test.go
+++ b/pkg/tcpip/network/ipv4/ipv4_test.go
@@ -114,7 +114,7 @@ func makeHdrAndPayload(hdrLength int, extraLength int, viewSizes []int) (buffer.
// comparePayloads compared the contents of all the packets against the contents
// of the source packet.
-func compareFragments(t *testing.T, packets []stack.PacketBuffer, sourcePacketInfo stack.PacketBuffer, mtu uint32) {
+func compareFragments(t *testing.T, packets []*stack.PacketBuffer, sourcePacketInfo *stack.PacketBuffer, mtu uint32) {
t.Helper()
// Make a complete array of the sourcePacketInfo packet.
source := header.IPv4(packets[0].Header.View()[:header.IPv4MinimumSize])
@@ -174,7 +174,7 @@ func compareFragments(t *testing.T, packets []stack.PacketBuffer, sourcePacketIn
type errorChannel struct {
*channel.Endpoint
- Ch chan stack.PacketBuffer
+ Ch chan *stack.PacketBuffer
packetCollectorErrors []*tcpip.Error
}
@@ -184,7 +184,7 @@ type errorChannel struct {
func newErrorChannel(size int, mtu uint32, linkAddr tcpip.LinkAddress, packetCollectorErrors []*tcpip.Error) *errorChannel {
return &errorChannel{
Endpoint: channel.New(size, mtu, linkAddr),
- Ch: make(chan stack.PacketBuffer, size),
+ Ch: make(chan *stack.PacketBuffer, size),
packetCollectorErrors: packetCollectorErrors,
}
}
@@ -203,7 +203,7 @@ func (e *errorChannel) Drain() int {
}
// WritePacket stores outbound packets into the channel.
-func (e *errorChannel) WritePacket(r *stack.Route, gso *stack.GSO, protocol tcpip.NetworkProtocolNumber, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *errorChannel) WritePacket(r *stack.Route, gso *stack.GSO, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) *tcpip.Error {
select {
case e.Ch <- pkt:
default:
@@ -282,13 +282,17 @@ func TestFragmentation(t *testing.T) {
for _, ft := range fragTests {
t.Run(ft.description, func(t *testing.T) {
hdr, payload := makeHdrAndPayload(ft.hdrLength, ft.extraLength, ft.payloadViewsSizes)
- source := stack.PacketBuffer{
+ source := &stack.PacketBuffer{
Header: hdr,
// Save the source payload because WritePacket will modify it.
Data: payload.Clone(nil),
}
c := buildContext(t, nil, ft.mtu)
- err := c.Route.WritePacket(ft.gso, stack.NetworkHeaderParams{Protocol: tcp.ProtocolNumber, TTL: 42, TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ err := c.Route.WritePacket(ft.gso, stack.NetworkHeaderParams{
+ Protocol: tcp.ProtocolNumber,
+ TTL: 42,
+ TOS: stack.DefaultTOS,
+ }, &stack.PacketBuffer{
Header: hdr,
Data: payload,
})
@@ -296,7 +300,7 @@ func TestFragmentation(t *testing.T) {
t.Errorf("err got %v, want %v", err, nil)
}
- var results []stack.PacketBuffer
+ var results []*stack.PacketBuffer
L:
for {
select {
@@ -338,7 +342,11 @@ func TestFragmentationErrors(t *testing.T) {
t.Run(ft.description, func(t *testing.T) {
hdr, payload := makeHdrAndPayload(ft.hdrLength, header.IPv4MinimumSize, ft.payloadViewsSizes)
c := buildContext(t, ft.packetCollectorErrors, ft.mtu)
- err := c.Route.WritePacket(&stack.GSO{}, stack.NetworkHeaderParams{Protocol: tcp.ProtocolNumber, TTL: 42, TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ err := c.Route.WritePacket(&stack.GSO{}, stack.NetworkHeaderParams{
+ Protocol: tcp.ProtocolNumber,
+ TTL: 42,
+ TOS: stack.DefaultTOS,
+ }, &stack.PacketBuffer{
Header: hdr,
Data: payload,
})
@@ -460,7 +468,7 @@ func TestInvalidFragments(t *testing.T) {
s.CreateNIC(nicID, sniffer.New(ep))
for _, pkt := range tc.packets {
- ep.InjectLinkAddr(header.IPv4ProtocolNumber, remoteLinkAddr, stack.PacketBuffer{
+ ep.InjectLinkAddr(header.IPv4ProtocolNumber, remoteLinkAddr, &stack.PacketBuffer{
Data: buffer.NewVectorisedView(len(pkt), []buffer.View{pkt}),
})
}
@@ -698,7 +706,7 @@ func TestReceiveFragments(t *testing.T) {
vv := hdr.View().ToVectorisedView()
vv.AppendView(frag.payload)
- e.InjectInbound(header.IPv4ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(header.IPv4ProtocolNumber, &stack.PacketBuffer{
Data: vv,
})
}
diff --git a/pkg/tcpip/network/ipv6/icmp.go b/pkg/tcpip/network/ipv6/icmp.go
index bdf3a0d25..b62fb1de6 100644
--- a/pkg/tcpip/network/ipv6/icmp.go
+++ b/pkg/tcpip/network/ipv6/icmp.go
@@ -27,7 +27,7 @@ import (
// the original packet that caused the ICMP one to be sent. This information is
// used to find out which transport endpoint must be notified about the ICMP
// packet.
-func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt stack.PacketBuffer) {
+func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt *stack.PacketBuffer) {
h, ok := pkt.Data.PullUp(header.IPv6MinimumSize)
if !ok {
return
@@ -70,7 +70,7 @@ func (e *endpoint) handleControl(typ stack.ControlType, extra uint32, pkt stack.
e.dispatcher.DeliverTransportControlPacket(e.id.LocalAddress, hdr.DestinationAddress(), ProtocolNumber, p, typ, extra, pkt)
}
-func (e *endpoint) handleICMP(r *stack.Route, netHeader buffer.View, pkt stack.PacketBuffer, hasFragmentHeader bool) {
+func (e *endpoint) handleICMP(r *stack.Route, netHeader buffer.View, pkt *stack.PacketBuffer, hasFragmentHeader bool) {
stats := r.Stats().ICMP
sent := stats.V6PacketsSent
received := stats.V6PacketsReceived
@@ -288,7 +288,7 @@ func (e *endpoint) handleICMP(r *stack.Route, netHeader buffer.View, pkt stack.P
//
// The IP Hop Limit field has a value of 255, i.e., the packet
// could not possibly have been forwarded by a router.
- if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{Protocol: header.ICMPv6ProtocolNumber, TTL: header.NDPHopLimit, TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{Protocol: header.ICMPv6ProtocolNumber, TTL: header.NDPHopLimit, TOS: stack.DefaultTOS}, &stack.PacketBuffer{
Header: hdr,
}); err != nil {
sent.Dropped.Increment()
@@ -390,7 +390,7 @@ func (e *endpoint) handleICMP(r *stack.Route, netHeader buffer.View, pkt stack.P
copy(packet, icmpHdr)
packet.SetType(header.ICMPv6EchoReply)
packet.SetChecksum(header.ICMPv6Checksum(packet, r.LocalAddress, r.RemoteAddress, pkt.Data))
- if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{Protocol: header.ICMPv6ProtocolNumber, TTL: r.DefaultTTL(), TOS: stack.DefaultTOS}, stack.PacketBuffer{
+ if err := r.WritePacket(nil /* gso */, stack.NetworkHeaderParams{Protocol: header.ICMPv6ProtocolNumber, TTL: r.DefaultTTL(), TOS: stack.DefaultTOS}, &stack.PacketBuffer{
Header: hdr,
Data: pkt.Data,
}); err != nil {
@@ -532,7 +532,7 @@ func (*protocol) LinkAddressRequest(addr, localAddr tcpip.Address, linkEP stack.
})
// TODO(stijlist): count this in ICMP stats.
- return linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, stack.PacketBuffer{
+ return linkEP.WritePacket(r, nil /* gso */, ProtocolNumber, &stack.PacketBuffer{
Header: hdr,
})
}
diff --git a/pkg/tcpip/network/ipv6/icmp_test.go b/pkg/tcpip/network/ipv6/icmp_test.go
index d412ff688..a720f626f 100644
--- a/pkg/tcpip/network/ipv6/icmp_test.go
+++ b/pkg/tcpip/network/ipv6/icmp_test.go
@@ -57,7 +57,7 @@ func (*stubLinkEndpoint) LinkAddress() tcpip.LinkAddress {
return ""
}
-func (*stubLinkEndpoint) WritePacket(*stack.Route, *stack.GSO, tcpip.NetworkProtocolNumber, stack.PacketBuffer) *tcpip.Error {
+func (*stubLinkEndpoint) WritePacket(*stack.Route, *stack.GSO, tcpip.NetworkProtocolNumber, *stack.PacketBuffer) *tcpip.Error {
return nil
}
@@ -67,7 +67,7 @@ type stubDispatcher struct {
stack.TransportDispatcher
}
-func (*stubDispatcher) DeliverTransportPacket(*stack.Route, tcpip.TransportProtocolNumber, stack.PacketBuffer) {
+func (*stubDispatcher) DeliverTransportPacket(*stack.Route, tcpip.TransportProtocolNumber, *stack.PacketBuffer) {
}
type stubLinkAddressCache struct {
@@ -189,7 +189,7 @@ func TestICMPCounts(t *testing.T) {
SrcAddr: r.LocalAddress,
DstAddr: r.RemoteAddress,
})
- ep.HandlePacket(&r, stack.PacketBuffer{
+ ep.HandlePacket(&r, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
}
@@ -328,7 +328,7 @@ func routeICMPv6Packet(t *testing.T, args routeArgs, fn func(*testing.T, header.
views := []buffer.View{pi.Pkt.Header.View(), pi.Pkt.Data.ToView()}
size := pi.Pkt.Header.UsedLength() + pi.Pkt.Data.Size()
vv := buffer.NewVectorisedView(size, views)
- args.dst.InjectLinkAddr(pi.Proto, args.dst.LinkAddress(), stack.PacketBuffer{
+ args.dst.InjectLinkAddr(pi.Proto, args.dst.LinkAddress(), &stack.PacketBuffer{
Data: vv,
})
}
@@ -563,7 +563,7 @@ func TestICMPChecksumValidationSimple(t *testing.T) {
SrcAddr: lladdr1,
DstAddr: lladdr0,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
}
@@ -740,7 +740,7 @@ func TestICMPChecksumValidationWithPayload(t *testing.T) {
SrcAddr: lladdr1,
DstAddr: lladdr0,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
}
@@ -918,7 +918,7 @@ func TestICMPChecksumValidationWithPayloadMultipleViews(t *testing.T) {
SrcAddr: lladdr1,
DstAddr: lladdr0,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: buffer.NewVectorisedView(header.IPv6MinimumSize+size+payloadSize, []buffer.View{hdr.View(), payload}),
})
}
diff --git a/pkg/tcpip/network/ipv6/ipv6.go b/pkg/tcpip/network/ipv6/ipv6.go
index daf1fcbc6..0d94ad122 100644
--- a/pkg/tcpip/network/ipv6/ipv6.go
+++ b/pkg/tcpip/network/ipv6/ipv6.go
@@ -116,7 +116,7 @@ func (e *endpoint) addIPHeader(r *stack.Route, hdr *buffer.Prependable, payloadS
}
// WritePacket writes a packet to the given destination address and protocol.
-func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt stack.PacketBuffer) *tcpip.Error {
+func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.NetworkHeaderParams, pkt *stack.PacketBuffer) *tcpip.Error {
ip := e.addIPHeader(r, &pkt.Header, pkt.Data.Size(), params)
pkt.NetworkHeader = buffer.View(ip)
@@ -128,7 +128,7 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, params stack.Netw
views = append(views, pkt.Data.Views()...)
loopedR := r.MakeLoopedRoute()
- e.HandlePacket(&loopedR, stack.PacketBuffer{
+ e.HandlePacket(&loopedR, &stack.PacketBuffer{
Data: buffer.NewVectorisedView(len(views[0])+pkt.Data.Size(), views),
})
@@ -163,14 +163,14 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
// WriteHeaderIncludedPacker implements stack.NetworkEndpoint. It is not yet
// supported by IPv6.
-func (*endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt stack.PacketBuffer) *tcpip.Error {
+func (*endpoint) WriteHeaderIncludedPacket(r *stack.Route, pkt *stack.PacketBuffer) *tcpip.Error {
// TODO(b/146666412): Support IPv6 header-included packets.
return tcpip.ErrNotSupported
}
// HandlePacket is called by the link layer when new ipv6 packets arrive for
// this endpoint.
-func (e *endpoint) HandlePacket(r *stack.Route, pkt stack.PacketBuffer) {
+func (e *endpoint) HandlePacket(r *stack.Route, pkt *stack.PacketBuffer) {
headerView, ok := pkt.Data.PullUp(header.IPv6MinimumSize)
if !ok {
r.Stats().IP.MalformedPacketsReceived.Increment()
diff --git a/pkg/tcpip/network/ipv6/ipv6_test.go b/pkg/tcpip/network/ipv6/ipv6_test.go
index 841a0cb7a..213ff64f2 100644
--- a/pkg/tcpip/network/ipv6/ipv6_test.go
+++ b/pkg/tcpip/network/ipv6/ipv6_test.go
@@ -65,7 +65,7 @@ func testReceiveICMP(t *testing.T, s *stack.Stack, e *channel.Endpoint, src, dst
DstAddr: dst,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -123,7 +123,7 @@ func testReceiveUDP(t *testing.T, s *stack.Stack, e *channel.Endpoint, src, dst
DstAddr: dst,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -637,7 +637,7 @@ func TestReceiveIPv6ExtHdrs(t *testing.T) {
DstAddr: addr2,
})
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -1238,7 +1238,7 @@ func TestReceiveIPv6Fragments(t *testing.T) {
vv := hdr.View().ToVectorisedView()
vv.Append(f.data)
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: vv,
})
}
diff --git a/pkg/tcpip/network/ipv6/ndp_test.go b/pkg/tcpip/network/ipv6/ndp_test.go
index 12b70f7e9..3c141b91b 100644
--- a/pkg/tcpip/network/ipv6/ndp_test.go
+++ b/pkg/tcpip/network/ipv6/ndp_test.go
@@ -136,7 +136,7 @@ func TestNeighorSolicitationWithSourceLinkLayerOption(t *testing.T) {
t.Fatalf("got invalid = %d, want = 0", got)
}
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -380,7 +380,7 @@ func TestNeighorSolicitationResponse(t *testing.T) {
t.Fatalf("got invalid = %d, want = 0", got)
}
- e.InjectLinkAddr(ProtocolNumber, test.nsSrcLinkAddr, stack.PacketBuffer{
+ e.InjectLinkAddr(ProtocolNumber, test.nsSrcLinkAddr, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -497,7 +497,7 @@ func TestNeighorAdvertisementWithTargetLinkLayerOption(t *testing.T) {
t.Fatalf("got invalid = %d, want = 0", got)
}
- e.InjectInbound(ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
@@ -568,7 +568,7 @@ func TestNDPValidation(t *testing.T) {
SrcAddr: r.LocalAddress,
DstAddr: r.RemoteAddress,
})
- ep.HandlePacket(r, stack.PacketBuffer{
+ ep.HandlePacket(r, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})
}
@@ -884,7 +884,7 @@ func TestRouterAdvertValidation(t *testing.T) {
t.Fatalf("got rxRA = %d, want = 0", got)
}
- e.InjectInbound(header.IPv6ProtocolNumber, stack.PacketBuffer{
+ e.InjectInbound(header.IPv6ProtocolNumber, &stack.PacketBuffer{
Data: hdr.View().ToVectorisedView(),
})