diff options
author | Bhasker Hariharan <bhaskerh@google.com> | 2020-07-22 15:12:56 -0700 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-07-22 15:33:33 -0700 |
commit | 71bf90c55bd888f9b9c493533ca5e4b2b4b3d21d (patch) | |
tree | c28e9fb6e24c4f442839b041d5a1ba5105ff1dbd /runsc/boot | |
parent | 13c0cca50e061c9b9a3ae8e13e8baa0f29909370 (diff) |
Support for receiving outbound packets in AF_PACKET.
Updates #173
PiperOrigin-RevId: 322665518
Diffstat (limited to 'runsc/boot')
-rw-r--r-- | runsc/boot/BUILD | 1 | ||||
-rw-r--r-- | runsc/boot/network.go | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/runsc/boot/BUILD b/runsc/boot/BUILD index 55d45aaa6..9f52438c2 100644 --- a/runsc/boot/BUILD +++ b/runsc/boot/BUILD @@ -90,6 +90,7 @@ go_library( "//pkg/tcpip", "//pkg/tcpip/link/fdbased", "//pkg/tcpip/link/loopback", + "//pkg/tcpip/link/packetsocket", "//pkg/tcpip/link/qdisc/fifo", "//pkg/tcpip/link/sniffer", "//pkg/tcpip/network/arp", diff --git a/runsc/boot/network.go b/runsc/boot/network.go index 14d2f56a5..4e1fa7665 100644 --- a/runsc/boot/network.go +++ b/runsc/boot/network.go @@ -25,6 +25,7 @@ import ( "gvisor.dev/gvisor/pkg/tcpip" "gvisor.dev/gvisor/pkg/tcpip/link/fdbased" "gvisor.dev/gvisor/pkg/tcpip/link/loopback" + "gvisor.dev/gvisor/pkg/tcpip/link/packetsocket" "gvisor.dev/gvisor/pkg/tcpip/link/qdisc/fifo" "gvisor.dev/gvisor/pkg/tcpip/link/sniffer" "gvisor.dev/gvisor/pkg/tcpip/network/arp" @@ -252,6 +253,9 @@ func (n *Network) CreateLinksAndRoutes(args *CreateLinksAndRoutesArgs, _ *struct linkEP = fifo.New(linkEP, runtime.GOMAXPROCS(0), 1000) } + // Enable support for AF_PACKET sockets to receive outgoing packets. + linkEP = packetsocket.New(linkEP) + log.Infof("Enabling interface %q with id %d on addresses %+v (%v) w/ %d channels", link.Name, nicID, link.Addresses, mac, link.NumChannels) if err := n.createNICWithAddrs(nicID, link.Name, linkEP, link.Addresses); err != nil { return err |