diff options
Diffstat (limited to 'runsc/sandbox')
| -rw-r--r-- | runsc/sandbox/BUILD | 1 | ||||
| -rw-r--r-- | runsc/sandbox/network.go | 12 |
2 files changed, 10 insertions, 3 deletions
diff --git a/runsc/sandbox/BUILD b/runsc/sandbox/BUILD index 7fdceaab6..27459e6d1 100644 --- a/runsc/sandbox/BUILD +++ b/runsc/sandbox/BUILD @@ -19,6 +19,7 @@ go_library( "//pkg/log", "//pkg/sentry/control", "//pkg/sentry/platform", + "//pkg/tcpip/stack", "//pkg/urpc", "//runsc/boot", "//runsc/boot/platforms", diff --git a/runsc/sandbox/network.go b/runsc/sandbox/network.go index 5634f0707..d42de0176 100644 --- a/runsc/sandbox/network.go +++ b/runsc/sandbox/network.go @@ -28,6 +28,7 @@ import ( "github.com/vishvananda/netlink" "golang.org/x/sys/unix" "gvisor.dev/gvisor/pkg/log" + "gvisor.dev/gvisor/pkg/tcpip/stack" "gvisor.dev/gvisor/pkg/urpc" "gvisor.dev/gvisor/runsc/boot" "gvisor.dev/gvisor/runsc/specutils" @@ -61,7 +62,7 @@ func setupNetwork(conn *urpc.Client, pid int, spec *specs.Spec, conf *boot.Confi // Build the path to the net namespace of the sandbox process. // This is what we will copy. nsPath := filepath.Join("/proc", strconv.Itoa(pid), "ns/net") - if err := createInterfacesAndRoutesFromNS(conn, nsPath, conf.GSO, conf.NumNetworkChannels); err != nil { + if err := createInterfacesAndRoutesFromNS(conn, nsPath, conf.HardwareGSO, conf.SoftwareGSO, conf.NumNetworkChannels); err != nil { return fmt.Errorf("creating interfaces from net namespace %q: %v", nsPath, err) } case boot.NetworkHost: @@ -136,7 +137,7 @@ func isRootNS() (bool, error) { // createInterfacesAndRoutesFromNS scrapes the interface and routes from the // net namespace with the given path, creates them in the sandbox, and removes // them from the host. -func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, enableGSO bool, numNetworkChannels int) error { +func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, hardwareGSO bool, softwareGSO bool, numNetworkChannels int) error { // Join the network namespace that we will be copying. restore, err := joinNetNS(nsPath) if err != nil { @@ -232,7 +233,7 @@ func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, enableGSO // Create the socket for the device. for i := 0; i < link.NumChannels; i++ { log.Debugf("Creating Channel %d", i) - socketEntry, err := createSocket(iface, ifaceLink, enableGSO) + socketEntry, err := createSocket(iface, ifaceLink, hardwareGSO) if err != nil { return fmt.Errorf("failed to createSocket for %s : %v", iface.Name, err) } @@ -246,6 +247,11 @@ func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, enableGSO } args.FilePayload.Files = append(args.FilePayload.Files, socketEntry.deviceFile) } + if link.GSOMaxSize == 0 && softwareGSO { + // Hardware GSO is disabled. Let's enable software GSO. + link.GSOMaxSize = stack.SoftwareGSOMaxSize + link.SoftwareGSOEnabled = true + } // Collect the addresses for the interface, enable forwarding, // and remove them from the host. |