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-rw-r--r--pkg/tcpip/link/channel/channel.go3
-rw-r--r--pkg/tcpip/link/ethernet/ethernet.go5
-rw-r--r--pkg/tcpip/link/fdbased/endpoint.go3
-rw-r--r--pkg/tcpip/link/loopback/loopback.go3
-rw-r--r--pkg/tcpip/link/muxed/injectable.go5
-rw-r--r--pkg/tcpip/link/nested/nested.go5
-rw-r--r--pkg/tcpip/link/pipe/pipe.go3
-rw-r--r--pkg/tcpip/link/qdisc/fifo/endpoint.go5
-rw-r--r--pkg/tcpip/link/sharedmem/sharedmem.go3
-rw-r--r--pkg/tcpip/link/waitable/waitable.go3
-rw-r--r--pkg/tcpip/link/waitable/waitable_test.go5
-rw-r--r--pkg/tcpip/network/internal/testutil/testutil.go5
-rw-r--r--pkg/tcpip/stack/forwarding_test.go4
-rw-r--r--pkg/tcpip/stack/registration.go8
14 files changed, 60 insertions, 0 deletions
diff --git a/pkg/tcpip/link/channel/channel.go b/pkg/tcpip/link/channel/channel.go
index f26c857eb..d02eea93c 100644
--- a/pkg/tcpip/link/channel/channel.go
+++ b/pkg/tcpip/link/channel/channel.go
@@ -290,3 +290,6 @@ func (*Endpoint) ARPHardwareType() header.ARPHardwareType {
// AddHeader implements stack.LinkEndpoint.AddHeader.
func (*Endpoint) AddHeader(tcpip.LinkAddress, tcpip.LinkAddress, tcpip.NetworkProtocolNumber, *stack.PacketBuffer) {
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*Endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
diff --git a/pkg/tcpip/link/ethernet/ethernet.go b/pkg/tcpip/link/ethernet/ethernet.go
index b9db273d0..8211a2031 100644
--- a/pkg/tcpip/link/ethernet/ethernet.go
+++ b/pkg/tcpip/link/ethernet/ethernet.go
@@ -112,3 +112,8 @@ func (*Endpoint) AddHeader(local, remote tcpip.LinkAddress, proto tcpip.NetworkP
}
eth.Encode(&fields)
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (e *Endpoint) WriteRawPacket(pkt *stack.PacketBuffer) tcpip.Error {
+ return e.Endpoint.WriteRawPacket(pkt)
+}
diff --git a/pkg/tcpip/link/fdbased/endpoint.go b/pkg/tcpip/link/fdbased/endpoint.go
index 48356c343..058242f96 100644
--- a/pkg/tcpip/link/fdbased/endpoint.go
+++ b/pkg/tcpip/link/fdbased/endpoint.go
@@ -505,6 +505,9 @@ func (e *endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.Net
}
}
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
+
// WritePacket writes outbound packets to the file descriptor. If it is not
// currently writable, the packet is dropped.
func (e *endpoint) WritePacket(r stack.RouteInfo, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) tcpip.Error {
diff --git a/pkg/tcpip/link/loopback/loopback.go b/pkg/tcpip/link/loopback/loopback.go
index 7012d8829..d7bbfa639 100644
--- a/pkg/tcpip/link/loopback/loopback.go
+++ b/pkg/tcpip/link/loopback/loopback.go
@@ -103,3 +103,6 @@ func (*endpoint) ARPHardwareType() header.ARPHardwareType {
func (e *endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
diff --git a/pkg/tcpip/link/muxed/injectable.go b/pkg/tcpip/link/muxed/injectable.go
index 3e2a1aa94..844f5959b 100644
--- a/pkg/tcpip/link/muxed/injectable.go
+++ b/pkg/tcpip/link/muxed/injectable.go
@@ -131,6 +131,11 @@ func (*InjectableEndpoint) ARPHardwareType() header.ARPHardwareType {
func (*InjectableEndpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
}
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*InjectableEndpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error {
+ return &tcpip.ErrNotSupported{}
+}
+
// NewInjectableEndpoint creates a new multi-endpoint injectable endpoint.
func NewInjectableEndpoint(routes map[tcpip.Address]stack.InjectableLinkEndpoint) *InjectableEndpoint {
return &InjectableEndpoint{
diff --git a/pkg/tcpip/link/nested/nested.go b/pkg/tcpip/link/nested/nested.go
index 3e816b0c7..14cb96d63 100644
--- a/pkg/tcpip/link/nested/nested.go
+++ b/pkg/tcpip/link/nested/nested.go
@@ -152,3 +152,8 @@ func (e *Endpoint) ARPHardwareType() header.ARPHardwareType {
func (e *Endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
e.child.AddHeader(local, remote, protocol, pkt)
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (e *Endpoint) WriteRawPacket(pkt *stack.PacketBuffer) tcpip.Error {
+ return e.child.WriteRawPacket(pkt)
+}
diff --git a/pkg/tcpip/link/pipe/pipe.go b/pkg/tcpip/link/pipe/pipe.go
index 5030b6ba1..3ed0aa3fe 100644
--- a/pkg/tcpip/link/pipe/pipe.go
+++ b/pkg/tcpip/link/pipe/pipe.go
@@ -121,3 +121,6 @@ func (*Endpoint) ARPHardwareType() header.ARPHardwareType {
// AddHeader implements stack.LinkEndpoint.
func (*Endpoint) AddHeader(_, _ tcpip.LinkAddress, _ tcpip.NetworkProtocolNumber, _ *stack.PacketBuffer) {
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*Endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
diff --git a/pkg/tcpip/link/qdisc/fifo/endpoint.go b/pkg/tcpip/link/qdisc/fifo/endpoint.go
index 40bd5560b..dc63e5fb0 100644
--- a/pkg/tcpip/link/qdisc/fifo/endpoint.go
+++ b/pkg/tcpip/link/qdisc/fifo/endpoint.go
@@ -228,3 +228,8 @@ func (e *endpoint) ARPHardwareType() header.ARPHardwareType {
func (e *endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
e.lower.AddHeader(local, remote, protocol, pkt)
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (e *endpoint) WriteRawPacket(pkt *stack.PacketBuffer) tcpip.Error {
+ return e.lower.WriteRawPacket(pkt)
+}
diff --git a/pkg/tcpip/link/sharedmem/sharedmem.go b/pkg/tcpip/link/sharedmem/sharedmem.go
index 30cf659b8..66efe6472 100644
--- a/pkg/tcpip/link/sharedmem/sharedmem.go
+++ b/pkg/tcpip/link/sharedmem/sharedmem.go
@@ -202,6 +202,9 @@ func (e *endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.Net
eth.Encode(ethHdr)
}
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
+
// WritePacket writes outbound packets to the file descriptor. If it is not
// currently writable, the packet is dropped.
func (e *endpoint) WritePacket(r stack.RouteInfo, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) tcpip.Error {
diff --git a/pkg/tcpip/link/waitable/waitable.go b/pkg/tcpip/link/waitable/waitable.go
index a95602aa5..13900205d 100644
--- a/pkg/tcpip/link/waitable/waitable.go
+++ b/pkg/tcpip/link/waitable/waitable.go
@@ -155,3 +155,6 @@ func (e *Endpoint) ARPHardwareType() header.ARPHardwareType {
func (e *Endpoint) AddHeader(local, remote tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *stack.PacketBuffer) {
e.lower.AddHeader(local, remote, protocol, pkt)
}
+
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*Endpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error { return &tcpip.ErrNotSupported{} }
diff --git a/pkg/tcpip/link/waitable/waitable_test.go b/pkg/tcpip/link/waitable/waitable_test.go
index a71400ee9..b0e4237bd 100644
--- a/pkg/tcpip/link/waitable/waitable_test.go
+++ b/pkg/tcpip/link/waitable/waitable_test.go
@@ -80,6 +80,11 @@ func (e *countedEndpoint) WritePackets(_ stack.RouteInfo, pkts stack.PacketBuffe
return pkts.Len(), nil
}
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*countedEndpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error {
+ return &tcpip.ErrNotSupported{}
+}
+
// ARPHardwareType implements stack.LinkEndpoint.ARPHardwareType.
func (*countedEndpoint) ARPHardwareType() header.ARPHardwareType {
panic("unimplemented")
diff --git a/pkg/tcpip/network/internal/testutil/testutil.go b/pkg/tcpip/network/internal/testutil/testutil.go
index 605e9ef8d..4d4d98caf 100644
--- a/pkg/tcpip/network/internal/testutil/testutil.go
+++ b/pkg/tcpip/network/internal/testutil/testutil.go
@@ -101,6 +101,11 @@ func (*MockLinkEndpoint) ARPHardwareType() header.ARPHardwareType { return heade
func (*MockLinkEndpoint) AddHeader(_, _ tcpip.LinkAddress, _ tcpip.NetworkProtocolNumber, _ *stack.PacketBuffer) {
}
+// WriteRawPacket implements stack.LinkEndpoint.
+func (*MockLinkEndpoint) WriteRawPacket(*stack.PacketBuffer) tcpip.Error {
+ return &tcpip.ErrNotSupported{}
+}
+
// MakeRandPkt generates a randomized packet. transportHeaderLength indicates
// how many random bytes will be copied in the Transport Header.
// extraHeaderReserveLength indicates how much extra space will be reserved for
diff --git a/pkg/tcpip/stack/forwarding_test.go b/pkg/tcpip/stack/forwarding_test.go
index 72f66441f..ccb69393b 100644
--- a/pkg/tcpip/stack/forwarding_test.go
+++ b/pkg/tcpip/stack/forwarding_test.go
@@ -342,6 +342,10 @@ func (e *fwdTestLinkEndpoint) WritePackets(r RouteInfo, pkts PacketBufferList, p
return n, nil
}
+func (*fwdTestLinkEndpoint) WriteRawPacket(*PacketBuffer) tcpip.Error {
+ return &tcpip.ErrNotSupported{}
+}
+
// Wait implements stack.LinkEndpoint.Wait.
func (*fwdTestLinkEndpoint) Wait() {}
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go
index dfe2c886f..57b3348b2 100644
--- a/pkg/tcpip/stack/registration.go
+++ b/pkg/tcpip/stack/registration.go
@@ -846,6 +846,14 @@ type LinkEndpoint interface {
// offload is enabled. If it will be used for something else, syscall filters
// may need to be updated.
WritePackets(RouteInfo, PacketBufferList, tcpip.NetworkProtocolNumber) (int, tcpip.Error)
+
+ // WriteRawPacket writes a packet directly to the link.
+ //
+ // If the link-layer has its own header, the payload must already include the
+ // header.
+ //
+ // WriteRawPacket takes ownership of the packet.
+ WriteRawPacket(*PacketBuffer) tcpip.Error
}
// InjectableLinkEndpoint is a LinkEndpoint where inbound packets are
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 21:19:37 +0000