1 files changed, 49 insertions, 1 deletions
diff --git a/src/pkg/net/interface_linux_test.go b/src/pkg/net/interface_linux_test.go
index f14d1fe06..085d3de9d 100644
--- a/src/pkg/net/interface_linux_test.go
+++ b/src/pkg/net/interface_linux_test.go
@@ -4,7 +4,55 @@
 
 package net
 
-import "testing"
+import (
+	"fmt"
+	"os/exec"
+	"testing"
+)
+
+func (ti *testInterface) setBroadcast(suffix int) error {
+	ti.name = fmt.Sprintf("gotest%d", suffix)
+	xname, err := exec.LookPath("ip")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "link", "add", ti.name, "type", "dummy"},
+	})
+	ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"},
+	})
+	return nil
+}
+
+func (ti *testInterface) setPointToPoint(suffix int, local, remote string) error {
+	ti.name = fmt.Sprintf("gotest%d", suffix)
+	ti.local = local
+	ti.remote = remote
+	xname, err := exec.LookPath("ip")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "tunnel", "add", ti.name, "mode", "gre", "local", local, "remote", remote},
+	})
+	ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ip", "tunnel", "del", ti.name, "mode", "gre", "local", local, "remote", remote},
+	})
+	xname, err = exec.LookPath("ifconfig")
+	if err != nil {
+		return err
+	}
+	ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
+		Path: xname,
+		Args: []string{"ifconfig", ti.name, "inet", local, "dstaddr", remote},
+	})
+	return nil
+}
 
 const (
 	numOfTestIPv4MCAddrs = 14