From fbf020d6a0258275a68573032bea225a1f5396ab Mon Sep 17 00:00:00 2001 From: Ghanan Gowripalan Date: Fri, 27 Aug 2021 11:12:08 -0700 Subject: Add LinkEndpoint.WriteRawPacket with stubs ...returning unsupported errors. PiperOrigin-RevId: 393388991 --- pkg/tcpip/stack/forwarding_test.go | 4 ++++ pkg/tcpip/stack/registration.go | 8 ++++++++ 2 files changed, 12 insertions(+) (limited to 'pkg/tcpip/stack') 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 -- cgit v1.2.3