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-rw-r--r--pkg/tcpip/link/sharedmem/sharedmem.go17
-rw-r--r--pkg/tcpip/link/sharedmem/sharedmem_test.go16
2 files changed, 25 insertions, 8 deletions
diff --git a/pkg/tcpip/link/sharedmem/sharedmem.go b/pkg/tcpip/link/sharedmem/sharedmem.go
index 9e71d4edf..4393403c5 100644
--- a/pkg/tcpip/link/sharedmem/sharedmem.go
+++ b/pkg/tcpip/link/sharedmem/sharedmem.go
@@ -212,6 +212,21 @@ func (e *endpoint) WritePacket(r *stack.Route, _ *stack.GSO, hdr buffer.Prependa
return nil
}
+// WriteRawPacket implements stack.LinkEndpoint.WriteRawPacket.
+func (e *endpoint) WriteRawPacket(packet buffer.VectorisedView) *tcpip.Error {
+ v := packet.ToView()
+ // Transmit the packet.
+ e.mu.Lock()
+ ok := e.tx.transmit(v, buffer.View{})
+ 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) {
@@ -254,7 +269,7 @@ func (e *endpoint) dispatchLoop(d stack.NetworkDispatcher) {
// Send packet up the stack.
eth := header.Ethernet(b)
- d.DeliverNetworkPacket(e, eth.SourceAddress(), eth.DestinationAddress(), eth.Type(), buffer.View(b[header.EthernetMinimumSize:]).ToVectorisedView())
+ d.DeliverNetworkPacket(e, eth.SourceAddress(), eth.DestinationAddress(), eth.Type(), buffer.View(b[header.EthernetMinimumSize:]).ToVectorisedView(), buffer.View(eth))
}
// Clean state.
diff --git a/pkg/tcpip/link/sharedmem/sharedmem_test.go b/pkg/tcpip/link/sharedmem/sharedmem_test.go
index 0e9ba0846..f3e9705c9 100644
--- a/pkg/tcpip/link/sharedmem/sharedmem_test.go
+++ b/pkg/tcpip/link/sharedmem/sharedmem_test.go
@@ -78,9 +78,10 @@ func (q *queueBuffers) cleanup() {
}
type packetInfo struct {
- addr tcpip.LinkAddress
- proto tcpip.NetworkProtocolNumber
- vv buffer.VectorisedView
+ addr tcpip.LinkAddress
+ proto tcpip.NetworkProtocolNumber
+ vv buffer.VectorisedView
+ linkHeader buffer.View
}
type testContext struct {
@@ -130,12 +131,13 @@ func newTestContext(t *testing.T, mtu, bufferSize uint32, addr tcpip.LinkAddress
return c
}
-func (c *testContext) DeliverNetworkPacket(_ stack.LinkEndpoint, remoteLinkAddr, localLinkAddr tcpip.LinkAddress, proto tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) {
+func (c *testContext) DeliverNetworkPacket(_ stack.LinkEndpoint, remoteLinkAddr, localLinkAddr tcpip.LinkAddress, proto tcpip.NetworkProtocolNumber, vv buffer.VectorisedView, linkHeader buffer.View) {
c.mu.Lock()
c.packets = append(c.packets, packetInfo{
- addr: remoteLinkAddr,
- proto: proto,
- vv: vv.Clone(nil),
+ addr: remoteLinkAddr,
+ proto: proto,
+ vv: vv.Clone(nil),
+ linkHeader: linkHeader,
})
c.mu.Unlock()