# SPDX-License-Identifier: GPL-2.0 """Driver test environment.NetDrvEnv and NetDrvEpEnv are the main environment classes.NetDrvContEnv extends NetDrvEpEnv with netkit container support.Former is for local host only tests, latter creates / connectsto a remote endpoint. See NIPA wiki for more information aboutrunning and writing driver tests.""" import sysfrom pathlib import Path KSFT_DIR = (Path(__file__).parent / "../../../..").resolve() try:    sys.path.append(KSFT_DIR.as_posix())     # Import one by one to avoid pylint false positives    from net.lib.py import NetNS, NetNSEnter, NetdevSimDev, UserNetNS    from net.lib.py import EthtoolFamily, NetdevFamily, NetshaperFamily, \        NlError, RtnlFamily, DevlinkFamily, PSPFamily, Netlink    from net.lib.py import CmdExitFailure    from net.lib.py import bkg, cmd, bpftool, bpftrace, defer, ethtool, \        fd_read_timeout, ip, rand_port, rand_ports, tc, wait_port_listen, \        wait_file    from net.lib.py import bpf_map_set, bpf_map_dump, bpf_prog_map_ids    from net.lib.py import KsftSkipEx, KsftFailEx, KsftXfailEx    from net.lib.py import ksft_disruptive, ksft_exit, ksft_pr, ksft_run, \        ksft_setup, ksft_variants, KsftNamedVariant    from net.lib.py import ksft_eq, ksft_ge, ksft_in, ksft_is, ksft_lt, \        ksft_ne, ksft_not_in, ksft_raises, ksft_true, ksft_gt, ksft_not_none     __all__ = ["NetNS", "NetNSEnter", "NetdevSimDev", "UserNetNS",               "EthtoolFamily", "NetdevFamily", "NetshaperFamily",               "NlError", "RtnlFamily", "DevlinkFamily", "PSPFamily", "Netlink",               "CmdExitFailure",               "bkg", "cmd", "bpftool", "bpftrace", "defer", "ethtool",               "fd_read_timeout", "ip", "rand_port", "rand_ports", "tc",               "wait_port_listen", "wait_file",               "bpf_map_set", "bpf_map_dump", "bpf_prog_map_ids",               "KsftSkipEx", "KsftFailEx", "KsftXfailEx",               "ksft_disruptive", "ksft_exit", "ksft_pr", "ksft_run",               "ksft_setup", "ksft_variants", "KsftNamedVariant",               "ksft_eq", "ksft_ge", "ksft_in", "ksft_is", "ksft_lt",               "ksft_ne", "ksft_not_in", "ksft_raises", "ksft_true", "ksft_gt",               "ksft_not_none", "ksft_not_none"]     from .env import NetDrvEnv, NetDrvEpEnv, NetDrvContEnv    from .load import GenerateTraffic, Iperf3Runner    from .remote import Remote     __all__ += ["NetDrvEnv", "NetDrvEpEnv", "NetDrvContEnv", "GenerateTraffic",                "Remote", "Iperf3Runner"]except ModuleNotFoundError as e:    print("Failed importing `net` library from kernel sources")    print(str(e))    sys.exit(4)