diff options
| -rw-r--r-- | tools/testing/selftests/drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/drivers/net/lib/py/env.py | 6 | ||||
| -rwxr-xr-x | tools/testing/selftests/drivers/net/queues.py | 66 | ||||
| -rw-r--r-- | tools/testing/selftests/net/lib/py/nsim.py | 4 | ||||
| -rw-r--r-- | tools/testing/selftests/net/lib/py/utils.py | 8 |
5 files changed, 77 insertions, 8 deletions
diff --git a/tools/testing/selftests/drivers/net/Makefile b/tools/testing/selftests/drivers/net/Makefile index 754ec643768a..e54f382bcb02 100644 --- a/tools/testing/selftests/drivers/net/Makefile +++ b/tools/testing/selftests/drivers/net/Makefile @@ -4,6 +4,7 @@ TEST_INCLUDES := $(wildcard lib/py/*.py) TEST_PROGS := \ ping.py \ + queues.py \ stats.py \ # end of TEST_PROGS diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py index 5c8f695b2536..edcedd7bffab 100644 --- a/tools/testing/selftests/drivers/net/lib/py/env.py +++ b/tools/testing/selftests/drivers/net/lib/py/env.py @@ -36,7 +36,7 @@ class NetDrvEnv: """ Class for a single NIC / host env, with no remote end """ - def __init__(self, src_path): + def __init__(self, src_path, **kwargs): self._ns = None self.env = _load_env_file(src_path) @@ -44,11 +44,13 @@ class NetDrvEnv: if 'NETIF' in self.env: self.dev = ip("link show dev " + self.env['NETIF'], json=True)[0] else: - self._ns = NetdevSimDev() + self._ns = NetdevSimDev(**kwargs) self.dev = self._ns.nsims[0].dev self.ifindex = self.dev['ifindex'] def __enter__(self): + ip(f"link set dev {self.dev['ifname']} up") + return self def __exit__(self, ex_type, ex_value, ex_tb): diff --git a/tools/testing/selftests/drivers/net/queues.py b/tools/testing/selftests/drivers/net/queues.py new file mode 100755 index 000000000000..30f29096e27c --- /dev/null +++ b/tools/testing/selftests/drivers/net/queues.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +from lib.py import ksft_run, ksft_exit, ksft_eq, KsftSkipEx +from lib.py import EthtoolFamily, NetdevFamily +from lib.py import NetDrvEnv +from lib.py import cmd +import glob + + +def sys_get_queues(ifname) -> int: + folders = glob.glob(f'/sys/class/net/{ifname}/queues/rx-*') + return len(folders) + + +def nl_get_queues(cfg, nl): + queues = nl.queue_get({'ifindex': cfg.ifindex}, dump=True) + if queues: + return len([q for q in queues if q['type'] == 'rx']) + return None + + +def get_queues(cfg, nl) -> None: + queues = nl_get_queues(cfg, nl) + if not queues: + raise KsftSkipEx('queue-get not supported by device') + + expected = sys_get_queues(cfg.dev['ifname']) + ksft_eq(queues, expected) + + +def addremove_queues(cfg, nl) -> None: + queues = nl_get_queues(cfg, nl) + if not queues: + raise KsftSkipEx('queue-get not supported by device') + + curr_queues = sys_get_queues(cfg.dev['ifname']) + if curr_queues == 1: + raise KsftSkipEx('cannot decrement queue: already at 1') + + netnl = EthtoolFamily() + channels = netnl.channels_get({'header': {'dev-index': cfg.ifindex}}) + if channels['combined-count'] == 0: + rx_type = 'rx' + else: + rx_type = 'combined' + + expected = curr_queues - 1 + cmd(f"ethtool -L {cfg.dev['ifname']} {rx_type} {expected}", timeout=10) + queues = nl_get_queues(cfg, nl) + ksft_eq(queues, expected) + + expected = curr_queues + cmd(f"ethtool -L {cfg.dev['ifname']} {rx_type} {expected}", timeout=10) + queues = nl_get_queues(cfg, nl) + ksft_eq(queues, expected) + + +def main() -> None: + with NetDrvEnv(__file__, queue_count=3) as cfg: + ksft_run([get_queues, addremove_queues], args=(cfg, NetdevFamily())) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/net/lib/py/nsim.py b/tools/testing/selftests/net/lib/py/nsim.py index 06896cdf7c18..f571a8b3139b 100644 --- a/tools/testing/selftests/net/lib/py/nsim.py +++ b/tools/testing/selftests/net/lib/py/nsim.py @@ -49,7 +49,7 @@ class NetdevSimDev: with open(fullpath, "w") as f: f.write(val) - def __init__(self, port_count=1, ns=None): + def __init__(self, port_count=1, queue_count=1, ns=None): # nsim will spawn in init_net, we'll set to actual ns once we switch it there self.ns = None @@ -59,7 +59,7 @@ class NetdevSimDev: addr = random.randrange(1 << 15) while True: try: - self.ctrl_write("new_device", "%u %u" % (addr, port_count)) + self.ctrl_write("new_device", "%u %u %u" % (addr, port_count, queue_count)) except OSError as e: if e.errno == errno.ENOSPC: addr = random.randrange(1 << 15) diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py index ec8b086b4fcb..0540ea24921d 100644 --- a/tools/testing/selftests/net/lib/py/utils.py +++ b/tools/testing/selftests/net/lib/py/utils.py @@ -8,7 +8,7 @@ import time class cmd: - def __init__(self, comm, shell=True, fail=True, ns=None, background=False, host=None): + def __init__(self, comm, shell=True, fail=True, ns=None, background=False, host=None, timeout=5): if ns: comm = f'ip netns exec {ns} ' + comm @@ -23,15 +23,15 @@ class cmd: self.proc = subprocess.Popen(comm, shell=shell, stdout=subprocess.PIPE, stderr=subprocess.PIPE) if not background: - self.process(terminate=False, fail=fail) + self.process(terminate=False, fail=fail, timeout=timeout) - def process(self, terminate=True, fail=None): + def process(self, terminate=True, fail=None, timeout=5): if fail is None: fail = not terminate if terminate: self.proc.terminate() - stdout, stderr = self.proc.communicate(timeout=5) + stdout, stderr = self.proc.communicate(timeout) self.stdout = stdout.decode("utf-8") self.stderr = stderr.decode("utf-8") self.proc.stdout.close() |