diff options
| author | Kevin Krakauer <krakauer@google.com> | 2019-10-21 13:21:58 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-10-21 13:23:18 -0700 |
| commit | 12235d533ae5c8b4b03c6d7f24cae785a2d6ec22 (patch) | |
| tree | 5abb8c6990f18af17a3889de637befc88b302a8e /pkg/tcpip/link/fdbased/mmap.go | |
| parent | 652f7b1d0fef6f522baaed091d4820a48014092c (diff) | |
AF_PACKET support for netstack (aka epsocket).
Like (AF_INET, SOCK_RAW) sockets, AF_PACKET sockets require CAP_NET_RAW. With
runsc, you'll need to pass `--net-raw=true` to enable them.
Binding isn't supported yet.
PiperOrigin-RevId: 275909366
Diffstat (limited to 'pkg/tcpip/link/fdbased/mmap.go')
| -rw-r--r-- | pkg/tcpip/link/fdbased/mmap.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/tcpip/link/fdbased/mmap.go b/pkg/tcpip/link/fdbased/mmap.go index 8bfeb97e4..554d45715 100644 --- a/pkg/tcpip/link/fdbased/mmap.go +++ b/pkg/tcpip/link/fdbased/mmap.go @@ -169,9 +169,10 @@ func (d *packetMMapDispatcher) dispatch() (bool, *tcpip.Error) { var ( p tcpip.NetworkProtocolNumber remote, local tcpip.LinkAddress + eth header.Ethernet ) if d.e.hdrSize > 0 { - eth := header.Ethernet(pkt) + eth = header.Ethernet(pkt) p = eth.Type() remote = eth.SourceAddress() local = eth.DestinationAddress() @@ -189,6 +190,6 @@ func (d *packetMMapDispatcher) dispatch() (bool, *tcpip.Error) { } pkt = pkt[d.e.hdrSize:] - d.e.dispatcher.DeliverNetworkPacket(d.e, remote, local, p, buffer.NewVectorisedView(len(pkt), []buffer.View{buffer.View(pkt)})) + d.e.dispatcher.DeliverNetworkPacket(d.e, remote, local, p, buffer.NewVectorisedView(len(pkt), []buffer.View{buffer.View(pkt)}), buffer.View(eth)) return true, nil } |