diff options
author | Bert Muthalaly <stijlist@google.com> | 2018-09-19 13:42:55 -0700 |
---|---|---|
committer | Shentubot <shentubot@google.com> | 2018-09-19 13:43:58 -0700 |
commit | 2e497de2d9f6c410a214faae9962e762757b0648 (patch) | |
tree | 992c064bd360dc50f8369d76d1481e5eb58ec612 /pkg/tcpip/link/sniffer | |
parent | f0a92b6b67382a1f8da5ef2622c59afdb1c40f13 (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.go | 4 |
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 |