summaryrefslogtreecommitdiffhomepage
path: root/pkg/tcpip/link/sniffer
diff options
context:
space:
mode:
authorBert Muthalaly <stijlist@google.com>2018-09-19 13:42:55 -0700
committerShentubot <shentubot@google.com>2018-09-19 13:43:58 -0700
commit2e497de2d9f6c410a214faae9962e762757b0648 (patch)
tree992c064bd360dc50f8369d76d1481e5eb58ec612 /pkg/tcpip/link/sniffer
parentf0a92b6b67382a1f8da5ef2622c59afdb1c40f13 (diff)
Pass local link address to DeliverNetworkPacket
This allows a NetworkDispatcher to implement transparent bridging, assuming all implementations of LinkEndpoint.WritePacket call eth.Encode with header.EthernetFields.SrcAddr set to the passed Route.LocalLinkAddress, if it is provided. PiperOrigin-RevId: 213686651 Change-Id: I446a4ac070970202f0724ef796ff1056ae4dd72a
Diffstat (limited to 'pkg/tcpip/link/sniffer')
-rw-r--r--pkg/tcpip/link/sniffer/sniffer.go4
1 files changed, 2 insertions, 2 deletions
diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go
index bfb79fd57..a30e57a32 100644
--- a/pkg/tcpip/link/sniffer/sniffer.go
+++ b/pkg/tcpip/link/sniffer/sniffer.go
@@ -116,7 +116,7 @@ func NewWithFile(lower tcpip.LinkEndpointID, file *os.File, snapLen uint32) (tcp
// DeliverNetworkPacket implements the stack.NetworkDispatcher interface. It is
// called by the link-layer endpoint being wrapped when a packet arrives, and
// logs the packet before forwarding to the actual dispatcher.
-func (e *endpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remoteLinkAddr tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) {
+func (e *endpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remoteLinkAddr, localLinkAddr tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, vv buffer.VectorisedView) {
if atomic.LoadUint32(&LogPackets) == 1 && e.file == nil {
logPacket("recv", protocol, vv.First())
}
@@ -147,7 +147,7 @@ func (e *endpoint) DeliverNetworkPacket(linkEP stack.LinkEndpoint, remoteLinkAdd
panic(err)
}
}
- e.dispatcher.DeliverNetworkPacket(e, remoteLinkAddr, protocol, vv)
+ e.dispatcher.DeliverNetworkPacket(e, remoteLinkAddr, localLinkAddr, protocol, vv)
}
// Attach implements the stack.LinkEndpoint interface. It saves the dispatcher