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-rw-r--r--pkg/tcpip/link/channel/BUILD1
-rw-r--r--pkg/tcpip/link/channel/channel.go16
-rw-r--r--pkg/tcpip/link/fdbased/endpoint.go5
-rw-r--r--pkg/tcpip/link/loopback/loopback.go17
-rw-r--r--pkg/tcpip/link/muxed/BUILD1
-rw-r--r--pkg/tcpip/link/muxed/injectable.go8
-rw-r--r--pkg/tcpip/link/nested/BUILD1
-rw-r--r--pkg/tcpip/link/nested/nested.go6
-rw-r--r--pkg/tcpip/link/pipe/pipe.go5
-rw-r--r--pkg/tcpip/link/qdisc/fifo/BUILD1
-rw-r--r--pkg/tcpip/link/qdisc/fifo/endpoint.go8
-rw-r--r--pkg/tcpip/link/sharedmem/sharedmem.go15
-rw-r--r--pkg/tcpip/link/sniffer/sniffer.go8
-rw-r--r--pkg/tcpip/link/waitable/BUILD2
-rw-r--r--pkg/tcpip/link/waitable/waitable.go12
-rw-r--r--pkg/tcpip/link/waitable/waitable_test.go6
-rw-r--r--pkg/tcpip/network/ip_test.go4
-rw-r--r--pkg/tcpip/network/testutil/testutil.go15
-rw-r--r--pkg/tcpip/stack/forwarding_test.go14
-rw-r--r--pkg/tcpip/stack/registration.go4
-rw-r--r--pkg/tcpip/stack/stack.go45
-rw-r--r--pkg/tcpip/stack/stack_test.go60
22 files changed, 68 insertions, 186 deletions
diff --git a/pkg/tcpip/link/channel/BUILD b/pkg/tcpip/link/channel/BUILD
index 39ca774ef..973f06cbc 100644
--- a/pkg/tcpip/link/channel/BUILD
+++ b/pkg/tcpip/link/channel/BUILD
@@ -9,7 +9,6 @@ go_library(
deps = [
"//pkg/sync",
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go
index c95aef63c..a7f5f4979 100644
--- a/pkg/tcpip/link/channel/channel.go
+++ b/pkg/tcpip/link/channel/channel.go
@@ -22,7 +22,6 @@ import (
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -271,21 +270,6 @@ func (e *Endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
return n, nil
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *Endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- p := PacketInfo{
- Pkt: stack.NewPacketBuffer(stack.PacketBufferOptions{
- Data: vv,
- }),
- Proto: 0,
- GSO: nil,
- }
-
- e.q.Write(p)
-
- return nil
-}
-
// Wait implements stack.LinkEndpoint.Wait.
func (*Endpoint) Wait() {}
diff --git a/pkg/tcpip/link/fdbased/endpoint.go b/pkg/tcpip/link/fdbased/endpoint.go
index 975309fc8..fc620c7d5 100644
--- a/pkg/tcpip/link/fdbased/endpoint.go
+++ b/pkg/tcpip/link/fdbased/endpoint.go
@@ -558,11 +558,6 @@ func viewsEqual(vs1, vs2 []buffer.View) bool {
return len(vs1) == len(vs2) && (len(vs1) == 0 || &vs1[0] == &vs2[0])
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- return rawfile.NonBlockingWrite(e.fds[0], vv.ToView())
-}
-
// InjectOutobund implements stack.InjectableEndpoint.InjectOutbound.
func (e *endpoint) InjectOutbound(dest tcpip.Address, packet []byte) *tcpip.Error {
return rawfile.NonBlockingWrite(e.fds[0], packet)
diff --git a/pkg/tcpip/link/loopback/loopback.go b/pkg/tcpip/link/loopback/loopback.go
index 38aa694e4..edca57e4e 100644
--- a/pkg/tcpip/link/loopback/loopback.go
+++ b/pkg/tcpip/link/loopback/loopback.go
@@ -96,23 +96,6 @@ func (e *endpoint) WritePackets(*stack.Route, *stack.GSO, stack.PacketBufferList
panic("not implemented")
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
- Data: vv,
- })
- // There should be an ethernet header at the beginning of vv.
- hdr, ok := pkt.LinkHeader().Consume(header.EthernetMinimumSize)
- if !ok {
- // Reject the packet if it's shorter than an ethernet header.
- return tcpip.ErrBadAddress
- }
- linkHeader := header.Ethernet(hdr)
- e.dispatcher.DeliverNetworkPacket("" /* remote */, "" /* local */, linkHeader.Type(), pkt)
-
- return nil
-}
-
// ARPHardwareType implements stack.LinkEndpoint.ARPHardwareType.
func (*endpoint) ARPHardwareType() header.ARPHardwareType {
return header.ARPHardwareLoopback
diff --git a/pkg/tcpip/link/muxed/BUILD b/pkg/tcpip/link/muxed/BUILD
index e7493e5c5..cbda59775 100644
--- a/pkg/tcpip/link/muxed/BUILD
+++ b/pkg/tcpip/link/muxed/BUILD
@@ -8,7 +8,6 @@ go_library(
visibility = ["//visibility:public"],
deps = [
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/muxed/injectable.go b/pkg/tcpip/link/muxed/injectable.go
index 56a611825..22e79ce3a 100644
--- a/pkg/tcpip/link/muxed/injectable.go
+++ b/pkg/tcpip/link/muxed/injectable.go
@@ -17,7 +17,6 @@ package muxed
import (
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -106,13 +105,6 @@ func (m *InjectableEndpoint) WritePacket(r *stack.Route, gso *stack.GSO, protoco
return tcpip.ErrNoRoute
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (m *InjectableEndpoint) WriteRawPacket(buffer.VectorisedView) *tcpip.Error {
- // WriteRawPacket doesn't get a route or network address, so there's
- // nowhere to write this.
- return tcpip.ErrNoRoute
-}
-
// InjectOutbound writes outbound packets to the appropriate
// LinkInjectableEndpoint based on the dest address.
func (m *InjectableEndpoint) InjectOutbound(dest tcpip.Address, packet []byte) *tcpip.Error {
diff --git a/pkg/tcpip/link/nested/BUILD b/pkg/tcpip/link/nested/BUILD
index 2cdb23475..00b42b924 100644
--- a/pkg/tcpip/link/nested/BUILD
+++ b/pkg/tcpip/link/nested/BUILD
@@ -11,7 +11,6 @@ go_library(
deps = [
"//pkg/sync",
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/nested/nested.go b/pkg/tcpip/link/nested/nested.go
index d40de54df..0ee54c3d5 100644
--- a/pkg/tcpip/link/nested/nested.go
+++ b/pkg/tcpip/link/nested/nested.go
@@ -19,7 +19,6 @@ package nested
import (
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -123,11 +122,6 @@ func (e *Endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
return e.child.WritePackets(r, gso, pkts, protocol)
}
-// WriteRawPacket implements stack.LinkEndpoint.
-func (e *Endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- return e.child.WriteRawPacket(vv)
-}
-
// Wait implements stack.LinkEndpoint.
func (e *Endpoint) Wait() {
e.child.Wait()
diff --git a/pkg/tcpip/link/pipe/pipe.go b/pkg/tcpip/link/pipe/pipe.go
index 523b0d24b..71fcb73e1 100644
--- a/pkg/tcpip/link/pipe/pipe.go
+++ b/pkg/tcpip/link/pipe/pipe.go
@@ -67,11 +67,6 @@ func (*Endpoint) WritePackets(*stack.Route, *stack.GSO, stack.PacketBufferList,
panic("not implemented")
}
-// WriteRawPacket implements stack.LinkEndpoint.
-func (*Endpoint) WriteRawPacket(buffer.VectorisedView) *tcpip.Error {
- panic("not implemented")
-}
-
// Attach implements stack.LinkEndpoint.
func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
e.dispatcher = dispatcher
diff --git a/pkg/tcpip/link/qdisc/fifo/BUILD b/pkg/tcpip/link/qdisc/fifo/BUILD
index 1d0079bd6..5bea598eb 100644
--- a/pkg/tcpip/link/qdisc/fifo/BUILD
+++ b/pkg/tcpip/link/qdisc/fifo/BUILD
@@ -13,7 +13,6 @@ go_library(
"//pkg/sleep",
"//pkg/sync",
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/qdisc/fifo/endpoint.go b/pkg/tcpip/link/qdisc/fifo/endpoint.go
index fc1e34fc7..9b41d60d5 100644
--- a/pkg/tcpip/link/qdisc/fifo/endpoint.go
+++ b/pkg/tcpip/link/qdisc/fifo/endpoint.go
@@ -21,7 +21,6 @@ import (
"gvisor.dev/gvisor/pkg/sleep"
"gvisor.dev/gvisor/pkg/sync"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -197,13 +196,6 @@ func (e *endpoint) WritePackets(_ *stack.Route, _ *stack.GSO, pkts stack.PacketB
return enqueued, nil
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- // TODO(gvisor.dev/issue/3267): Queue these packets as well once
- // WriteRawPacket takes PacketBuffer instead of VectorisedView.
- return e.lower.WriteRawPacket(vv)
-}
-
// Wait implements stack.LinkEndpoint.Wait.
func (e *endpoint) Wait() {
e.lower.Wait()
diff --git a/pkg/tcpip/link/sharedmem/sharedmem.go b/pkg/tcpip/link/sharedmem/sharedmem.go
index 7fb8a6c49..a1e7018c8 100644
--- a/pkg/tcpip/link/sharedmem/sharedmem.go
+++ b/pkg/tcpip/link/sharedmem/sharedmem.go
@@ -224,21 +224,6 @@ func (e *endpoint) WritePackets(r *stack.Route, _ *stack.GSO, pkts stack.PacketB
panic("not implemented")
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- views := vv.Views()
- // Transmit the packet.
- e.mu.Lock()
- ok := e.tx.transmit(views...)
- e.mu.Unlock()
-
- if !ok {
- return tcpip.ErrWouldBlock
- }
-
- return nil
-}
-
// dispatchLoop reads packets from the rx queue in a loop and dispatches them
// to the network stack.
func (e *endpoint) dispatchLoop(d stack.NetworkDispatcher) {
diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go
index 178e658df..8d9a91020 100644
--- a/pkg/tcpip/link/sniffer/sniffer.go
+++ b/pkg/tcpip/link/sniffer/sniffer.go
@@ -202,14 +202,6 @@ func (e *endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
return e.Endpoint.WritePackets(r, gso, pkts, protocol)
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- e.dumpPacket(directionSend, nil, 0, stack.NewPacketBuffer(stack.PacketBufferOptions{
- Data: vv,
- }))
- return e.Endpoint.WriteRawPacket(vv)
-}
-
func logPacket(prefix string, dir direction, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer, gso *stack.GSO) {
// Figure out the network layer info.
var transProto uint8
diff --git a/pkg/tcpip/link/waitable/BUILD b/pkg/tcpip/link/waitable/BUILD
index ee84c3d96..9b4602c1b 100644
--- a/pkg/tcpip/link/waitable/BUILD
+++ b/pkg/tcpip/link/waitable/BUILD
@@ -11,7 +11,6 @@ go_library(
deps = [
"//pkg/gate",
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
@@ -25,7 +24,6 @@ go_test(
library = ":waitable",
deps = [
"//pkg/tcpip",
- "//pkg/tcpip/buffer",
"//pkg/tcpip/header",
"//pkg/tcpip/stack",
],
diff --git a/pkg/tcpip/link/waitable/waitable.go b/pkg/tcpip/link/waitable/waitable.go
index b152a0f26..cf0077f43 100644
--- a/pkg/tcpip/link/waitable/waitable.go
+++ b/pkg/tcpip/link/waitable/waitable.go
@@ -24,7 +24,6 @@ package waitable
import (
"gvisor.dev/gvisor/pkg/gate"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -132,17 +131,6 @@ func (e *Endpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts stack.Packe
return n, err
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *Endpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- if !e.writeGate.Enter() {
- return nil
- }
-
- err := e.lower.WriteRawPacket(vv)
- e.writeGate.Leave()
- return err
-}
-
// WaitWrite prevents new calls to WritePacket from reaching the lower endpoint,
// and waits for inflight ones to finish before returning.
func (e *Endpoint) WaitWrite() {
diff --git a/pkg/tcpip/link/waitable/waitable_test.go b/pkg/tcpip/link/waitable/waitable_test.go
index 94827fc56..cf7fb5126 100644
--- a/pkg/tcpip/link/waitable/waitable_test.go
+++ b/pkg/tcpip/link/waitable/waitable_test.go
@@ -18,7 +18,6 @@ import (
"testing"
"gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/buffer"
"gvisor.dev/gvisor/pkg/tcpip/header"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
@@ -81,11 +80,6 @@ func (e *countedEndpoint) WritePackets(r *stack.Route, _ *stack.GSO, pkts stack.
return pkts.Len(), nil
}
-func (e *countedEndpoint) WriteRawPacket(buffer.VectorisedView) *tcpip.Error {
- e.writeCount++
- return nil
-}
-
// ARPHardwareType implements stack.LinkEndpoint.ARPHardwareType.
func (*countedEndpoint) ARPHardwareType() header.ARPHardwareType {
panic("unimplemented")
diff --git a/pkg/tcpip/network/ip_test.go b/pkg/tcpip/network/ip_test.go
index d49c44846..787399e08 100644
--- a/pkg/tcpip/network/ip_test.go
+++ b/pkg/tcpip/network/ip_test.go
@@ -193,10 +193,6 @@ func (*testObject) WritePackets(_ *stack.Route, _ *stack.GSO, pkt stack.PacketBu
panic("not implemented")
}
-func (*testObject) WriteRawPacket(_ buffer.VectorisedView) *tcpip.Error {
- return tcpip.ErrNotSupported
-}
-
// ARPHardwareType implements stack.LinkEndpoint.ARPHardwareType.
func (*testObject) ARPHardwareType() header.ARPHardwareType {
panic("not implemented")
diff --git a/pkg/tcpip/network/testutil/testutil.go b/pkg/tcpip/network/testutil/testutil.go
index 7cc52985e..5c3363759 100644
--- a/pkg/tcpip/network/testutil/testutil.go
+++ b/pkg/tcpip/network/testutil/testutil.go
@@ -85,21 +85,6 @@ func (ep *MockLinkEndpoint) WritePackets(r *stack.Route, gso *stack.GSO, pkts st
return n, nil
}
-// WriteRawPacket implements LinkEndpoint.WriteRawPacket.
-func (ep *MockLinkEndpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- if ep.allowPackets == 0 {
- return ep.err
- }
- ep.allowPackets--
-
- pkt := stack.NewPacketBuffer(stack.PacketBufferOptions{
- Data: vv,
- })
- ep.WrittenPackets = append(ep.WrittenPackets, pkt)
-
- return nil
-}
-
// Attach implements LinkEndpoint.Attach.
func (*MockLinkEndpoint) Attach(stack.NetworkDispatcher) {}
diff --git a/pkg/tcpip/stack/forwarding_test.go b/pkg/tcpip/stack/forwarding_test.go
index 6dc9e7859..cb7dec1ea 100644
--- a/pkg/tcpip/stack/forwarding_test.go
+++ b/pkg/tcpip/stack/forwarding_test.go
@@ -333,20 +333,6 @@ func (e *fwdTestLinkEndpoint) WritePackets(r *Route, gso *GSO, pkts PacketBuffer
return n, nil
}
-// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
-func (e *fwdTestLinkEndpoint) WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error {
- p := fwdTestPacketInfo{
- Pkt: NewPacketBuffer(PacketBufferOptions{Data: vv}),
- }
-
- select {
- case e.C <- p:
- default:
- }
-
- return nil
-}
-
// Wait implements stack.LinkEndpoint.Wait.
func (*fwdTestLinkEndpoint) Wait() {}
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go
index 2cb13c6fa..43ca03ada 100644
--- a/pkg/tcpip/stack/registration.go
+++ b/pkg/tcpip/stack/registration.go
@@ -739,10 +739,6 @@ type LinkEndpoint interface {
// endpoint.
Capabilities() LinkEndpointCapabilities
- // WriteRawPacket writes a packet directly to the link. The packet
- // should already have an ethernet header. It takes ownership of vv.
- WriteRawPacket(vv buffer.VectorisedView) *tcpip.Error
-
// Attach attaches the data link layer endpoint to the network-layer
// dispatcher of the stack.
//
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index e0025e0a9..f4504e633 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -1810,49 +1810,20 @@ func (s *Stack) unregisterPacketEndpointLocked(nicID tcpip.NICID, netProto tcpip
nic.unregisterPacketEndpoint(netProto, ep)
}
-// WritePacket writes data directly to the specified NIC. It adds an ethernet
-// header based on the arguments.
-func (s *Stack) WritePacket(nicID tcpip.NICID, dst tcpip.LinkAddress, netProto tcpip.NetworkProtocolNumber, payload buffer.VectorisedView) *tcpip.Error {
+// WritePacketToRemote writes a payload on the specified NIC using the provided
+// network protocol and remote link address.
+func (s *Stack) WritePacketToRemote(nicID tcpip.NICID, remote tcpip.LinkAddress, netProto tcpip.NetworkProtocolNumber, payload buffer.VectorisedView) *tcpip.Error {
s.mu.Lock()
nic, ok := s.nics[nicID]
s.mu.Unlock()
if !ok {
return tcpip.ErrUnknownDevice
}
-
- // Add our own fake ethernet header.
- ethFields := header.EthernetFields{
- SrcAddr: nic.LinkEndpoint.LinkAddress(),
- DstAddr: dst,
- Type: netProto,
- }
- fakeHeader := make(header.Ethernet, header.EthernetMinimumSize)
- fakeHeader.Encode(&ethFields)
- vv := buffer.View(fakeHeader).ToVectorisedView()
- vv.Append(payload)
-
- if err := nic.LinkEndpoint.WriteRawPacket(vv); err != nil {
- return err
- }
-
- return nil
-}
-
-// WriteRawPacket writes data directly to the specified NIC without adding any
-// headers.
-func (s *Stack) WriteRawPacket(nicID tcpip.NICID, payload buffer.VectorisedView) *tcpip.Error {
- s.mu.Lock()
- nic, ok := s.nics[nicID]
- s.mu.Unlock()
- if !ok {
- return tcpip.ErrUnknownDevice
- }
-
- if err := nic.LinkEndpoint.WriteRawPacket(payload); err != nil {
- return err
- }
-
- return nil
+ pkt := NewPacketBuffer(PacketBufferOptions{
+ ReserveHeaderBytes: int(nic.MaxHeaderLength()),
+ Data: payload,
+ })
+ return nic.WritePacketToRemote(remote, nil, netProto, pkt)
}
// NetworkProtocolInstance returns the protocol instance in the stack for the
diff --git a/pkg/tcpip/stack/stack_test.go b/pkg/tcpip/stack/stack_test.go
index 61db3164b..0d94af139 100644
--- a/pkg/tcpip/stack/stack_test.go
+++ b/pkg/tcpip/stack/stack_test.go
@@ -4152,3 +4152,63 @@ func TestFindRouteWithForwarding(t *testing.T) {
})
}
}
+
+func TestWritePacketToRemote(t *testing.T) {
+ const nicID = 1
+ const MTU = 1280
+ e := channel.New(1, MTU, linkAddr1)
+ s := stack.New(stack.Options{})
+ if err := s.CreateNIC(nicID, e); err != nil {
+ t.Fatalf("CreateNIC(%d, _) = %s", nicID, err)
+ }
+ if err := s.EnableNIC(nicID); err != nil {
+ t.Fatalf("CreateNIC(%d) = %s", nicID, err)
+ }
+ tests := []struct {
+ name string
+ protocol tcpip.NetworkProtocolNumber
+ payload []byte
+ }{
+ {
+ name: "SuccessIPv4",
+ protocol: header.IPv4ProtocolNumber,
+ payload: []byte{1, 2, 3, 4},
+ },
+ {
+ name: "SuccessIPv6",
+ protocol: header.IPv6ProtocolNumber,
+ payload: []byte{5, 6, 7, 8},
+ },
+ }
+ for _, test := range tests {
+ t.Run(test.name, func(t *testing.T) {
+ if err := s.WritePacketToRemote(nicID, linkAddr2, test.protocol, buffer.View(test.payload).ToVectorisedView()); err != nil {
+ t.Fatalf("s.WritePacketToRemote(_, _, _, _) = %s", err)
+ }
+
+ pkt, ok := e.Read()
+ if got, want := ok, true; got != want {
+ t.Fatalf("e.Read() = %t, want %t", got, want)
+ }
+ if got, want := pkt.Proto, test.protocol; got != want {
+ t.Fatalf("pkt.Proto = %d, want %d", got, want)
+ }
+ if got, want := pkt.Route.RemoteLinkAddress, linkAddr2; got != want {
+ t.Fatalf("pkt.Route.RemoteAddress = %s, want %s", got, want)
+ }
+ if diff := cmp.Diff(pkt.Pkt.Data.ToView(), buffer.View(test.payload)); diff != "" {
+ t.Errorf("pkt.Pkt.Data mismatch (-want +got):\n%s", diff)
+ }
+ })
+ }
+
+ t.Run("InvalidNICID", func(t *testing.T) {
+ if got, want := s.WritePacketToRemote(234, linkAddr2, header.IPv4ProtocolNumber, buffer.View([]byte{1}).ToVectorisedView()), tcpip.ErrUnknownDevice; got != want {
+ t.Fatalf("s.WritePacketToRemote(_, _, _, _) = %s, want = %s", got, want)
+ }
+ pkt, ok := e.Read()
+ if got, want := ok, false; got != want {
+ t.Fatalf("e.Read() = %t, %v; want %t", got, pkt, want)
+ }
+ })
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 07:43:13 +0000