Add tap support to TunInterface.
This allows callers to create a tap interface instead of a tun.
Also specify IFF_NO_PI in order to make it easier for users of
this class to read data from the tun. No existing users actually
check the data, so this is safe.
Bug: 150736748
Test: atest netd_integration_test
Change-Id: Ic2e46bb864978b969ae5c1b8c2bdc5379d298f5a
diff --git a/tests/tun_interface.h b/tests/tun_interface.h
index 0af43b1..ae2c330 100644
--- a/tests/tun_interface.h
+++ b/tests/tun_interface.h
@@ -13,7 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*
- * tun_interface.h - creates tun interfaces for testing purposes
+ * tun_interface.h - creates tun or tap interfaces for testing purposes
*/
#ifndef _SYSTEM_NETD_TESTS_TUN_INTERACE_H
@@ -27,9 +27,14 @@
TunInterface() = default;
~TunInterface() { destroy(); }
- // Creates a tun interface. Returns 0 on success or -errno on failure. Must succeed before it is
- // legal to call any of the other methods in this class.
- int init(const std::string& ifName = "");
+ // Creates a tun or tap interface. Returns 0 on success or -errno on failure. Must succeed
+ // before it is legal to call any of the other methods in this class.
+ int init(const std::string& ifName, bool isTap);
+
+ // Convenience overloads.
+ int init() { return init("", false); }
+ int init(const std::string& ifName) { return init(ifName, false); }
+ int init(bool isTap) { return init("", isTap); }
void destroy();
const std::string& name() const { return mIfName; }