Add runsc options to set checksum offloading status

--tx-checksum-offload=<true|false>
  enable TX checksum offload (default: false)
--rx-checksum-offload=<true|false>
  enable RX checksum offload (default: true)

Fixes #2989

PiperOrigin-RevId: 316781309

1 files changed, 9 insertions, 7 deletions

diff --git a/runsc/sandbox/network.go b/runsc/sandbox/network.go
index 209bfdb20..deee619f3 100644
--- a/runsc/sandbox/network.go
+++ b/runsc/sandbox/network.go
@@ -62,7 +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.HardwareGSO, conf.SoftwareGSO, conf.NumNetworkChannels, conf.QDisc); err != nil {
+		if err := createInterfacesAndRoutesFromNS(conn, nsPath, conf.HardwareGSO, conf.SoftwareGSO, conf.TXChecksumOffload, conf.RXChecksumOffload, conf.NumNetworkChannels, conf.QDisc); err != nil {
 			return fmt.Errorf("creating interfaces from net namespace %q: %v", nsPath, err)
 		}
 	case boot.NetworkHost:
@@ -115,7 +115,7 @@ 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, hardwareGSO bool, softwareGSO bool, numNetworkChannels int, qDisc boot.QueueingDiscipline) error {
+func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, hardwareGSO bool, softwareGSO bool, txChecksumOffload bool, rxChecksumOffload bool, numNetworkChannels int, qDisc boot.QueueingDiscipline) error {
 	// Join the network namespace that we will be copying.
 	restore, err := joinNetNS(nsPath)
 	if err != nil {
@@ -197,11 +197,13 @@ func createInterfacesAndRoutesFromNS(conn *urpc.Client, nsPath string, hardwareG
 		}
 
 		link := boot.FDBasedLink{
-			Name:        iface.Name,
-			MTU:         iface.MTU,
-			Routes:      routes,
-			NumChannels: numNetworkChannels,
-			QDisc:       qDisc,
+			Name:              iface.Name,
+			MTU:               iface.MTU,
+			Routes:            routes,
+			TXChecksumOffload: txChecksumOffload,
+			RXChecksumOffload: rxChecksumOffload,
+			NumChannels:       numNetworkChannels,
+			QDisc:             qDisc,
 		}
 
 		// Get the link for the interface.