Index: client/tests/kvm/tests/nic_promisc.py |
diff --git a/client/tests/kvm/tests/nic_promisc.py b/client/tests/kvm/tests/nic_promisc.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..99bbf8cee15abbff70307a663f2296311d65c1bd |
--- /dev/null |
+++ b/client/tests/kvm/tests/nic_promisc.py |
@@ -0,0 +1,103 @@ |
+import logging |
+from autotest_lib.client.common_lib import error |
+from autotest_lib.client.bin import utils |
+import kvm_utils, kvm_test_utils |
+ |
+def run_nic_promisc(test, params, env): |
+ """ |
+ Test nic driver in promisc mode: |
+ |
+ 1) Boot up a VM. |
+ 2) Repeatedly enable/disable promiscuous mode in guest. |
+ 3) TCP data transmission from host to guest, and from guest to host, |
+ with 1/1460/65000/100000000 bytes payloads. |
+ 4) Clean temporary files. |
+ 5) Stop enable/disable promiscuous mode change. |
+ |
+ @param test: KVM test object. |
+ @param params: Dictionary with the test parameters. |
+ @param env: Dictionary with test environment. |
+ """ |
+ timeout = int(params.get("login_timeout", 360)) |
+ vm = kvm_test_utils.get_living_vm(env, params.get("main_vm")) |
+ session = kvm_test_utils.wait_for_login(vm, timeout=timeout) |
+ |
+ logging.info("Trying to log into guest '%s' by serial", vm.name) |
+ session2 = kvm_utils.wait_for(lambda: vm.serial_login(), |
+ timeout, 0, step=2) |
+ if not session2: |
+ raise error.TestFail("Could not log into guest '%s'" % vm.name) |
+ |
+ def compare(filename): |
+ cmd = "md5sum %s" % filename |
+ md5_host = utils.hash_file(filename, method="md5") |
+ rc_guest, md5_guest = session.get_command_status_output(cmd) |
+ if rc_guest: |
+ logging.debug("Could not get MD5 hash for file %s on guest," |
+ "output: %s", filename, md5_guest) |
+ return False |
+ md5_guest = md5_guest.split()[0] |
+ if md5_host != md5_guest: |
+ logging.error("MD5 hash mismatch between file %s " |
+ "present on guest and on host", filename) |
+ logging.error("MD5 hash for file on guest: %s," |
+ "MD5 hash for file on host: %s", md5_host, md5_guest) |
+ return False |
+ return True |
+ |
+ ethname = kvm_test_utils.get_linux_ifname(session, vm.get_mac_address(0)) |
+ set_promisc_cmd = ("ip link set %s promisc on; sleep 0.01;" |
+ "ip link set %s promisc off; sleep 0.01" % |
+ (ethname, ethname)) |
+ logging.info("Set promisc change repeatedly in guest") |
+ session2.sendline("while true; do %s; done" % set_promisc_cmd) |
+ |
+ dd_cmd = "dd if=/dev/urandom of=%s bs=%d count=1" |
+ filename = "/tmp/nic_promisc_file" |
+ file_size = params.get("file_size", "1, 1460, 65000, 100000000").split(",") |
+ success_counter = 0 |
+ try: |
+ for size in file_size: |
+ logging.info("Create %s bytes file on host" % size) |
+ utils.run(dd_cmd % (filename, int(size))) |
+ |
+ logging.info("Transfer file from host to guest") |
+ if not vm.copy_files_to(filename, filename): |
+ logging.error("File transfer failed") |
+ continue |
+ if not compare(filename): |
+ logging.error("Compare file failed") |
+ continue |
+ else: |
+ success_counter += 1 |
+ |
+ logging.info("Create %s bytes file on guest" % size) |
+ if session.get_command_status(dd_cmd % (filename, int(size)), |
+ timeout=100) != 0: |
+ logging.error("Create file on guest failed") |
+ continue |
+ |
+ logging.info("Transfer file from guest to host") |
+ if not vm.copy_files_from(filename, filename): |
+ logging.error("File transfer failed") |
+ continue |
+ if not compare(filename): |
+ logging.error("Compare file failed") |
+ continue |
+ else: |
+ success_counter += 1 |
+ |
+ logging.info("Clean temporary files") |
+ cmd = "rm -f %s" % filename |
+ utils.run(cmd) |
+ session.get_command_status(cmd) |
+ |
+ finally: |
+ logging.info("Restore the %s to the nonpromisc mode", ethname) |
+ session2.close() |
+ session.get_command_status("ip link set %s promisc off" % ethname) |
+ session.close() |
+ |
+ if success_counter != 2 * len(file_size): |
+ raise error.TestFail("Some tests failed, succss_ratio : %s/%s" % |
+ (success_counter, len(file_size))) |