forked from mirrors/linux
85a4abed15
Make it explicit that this tool is not a drop-in replacement for ethtool. This tool is intended for testing ethtool functionality implemented in the kernel and should use a name that differentiates it from the ethtool utility. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Link: https://lore.kernel.org/r/20230413012252.184434-2-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
424 lines
13 KiB
Python
Executable file
424 lines
13 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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import argparse
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import json
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import pprint
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import sys
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import re
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from lib import YnlFamily
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def args_to_req(ynl, op_name, args, req):
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"""
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Verify and convert command-line arguments to the ynl-compatible request.
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"""
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valid_attrs = ynl.operation_do_attributes(op_name)
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valid_attrs.remove('header') # not user-provided
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if len(args) == 0:
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print(f'no attributes, expected: {valid_attrs}')
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sys.exit(1)
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i = 0
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while i < len(args):
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attr = args[i]
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if i + 1 >= len(args):
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print(f'expected value for \'{attr}\'')
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sys.exit(1)
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if attr not in valid_attrs:
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print(f'invalid attribute \'{attr}\', expected: {valid_attrs}')
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sys.exit(1)
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val = args[i+1]
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i += 2
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req[attr] = val
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def print_field(reply, *desc):
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"""
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Pretty-print a set of fields from the reply. desc specifies the
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fields and the optional type (bool/yn).
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"""
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if len(desc) == 0:
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return print_field(reply, *zip(reply.keys(), reply.keys()))
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for spec in desc:
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try:
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field, name, tp = spec
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except:
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field, name = spec
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tp = 'int'
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value = reply.get(field, None)
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if tp == 'yn':
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value = 'yes' if value else 'no'
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elif tp == 'bool' or isinstance(value, bool):
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value = 'on' if value else 'off'
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else:
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value = 'n/a' if value is None else value
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print(f'{name}: {value}')
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def print_speed(name, value):
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"""
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Print out the speed-like strings from the value dict.
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"""
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speed_re = re.compile(r'[0-9]+base[^/]+/.+')
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speed = [ k for k, v in value.items() if v and speed_re.match(k) ]
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print(f'{name}: {" ".join(speed)}')
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def doit(ynl, args, op_name):
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"""
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Prepare request header, parse arguments and doit.
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"""
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req = {
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'header': {
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'dev-name': args.device,
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},
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}
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args_to_req(ynl, op_name, args.args, req)
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ynl.do(op_name, req)
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def dumpit(ynl, args, op_name, extra = {}):
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"""
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Prepare request header, parse arguments and dumpit (filtering out the
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devices we're not interested in).
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"""
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reply = ynl.dump(op_name, { 'header': {} } | extra)
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if not reply:
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return {}
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for msg in reply:
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if msg['header']['dev-name'] == args.device:
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if args.json:
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pprint.PrettyPrinter().pprint(msg)
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sys.exit(0)
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msg.pop('header', None)
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return msg
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print(f"Not supported for device {args.device}")
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sys.exit(1)
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def bits_to_dict(attr):
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"""
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Convert ynl-formatted bitmask to a dict of bit=value.
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"""
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ret = {}
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if 'bits' not in attr:
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return dict()
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if 'bit' not in attr['bits']:
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return dict()
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for bit in attr['bits']['bit']:
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if bit['name'] == '':
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continue
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name = bit['name']
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value = bit.get('value', False)
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ret[name] = value
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return ret
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def main():
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parser = argparse.ArgumentParser(description='ethtool wannabe')
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parser.add_argument('--json', action=argparse.BooleanOptionalAction)
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parser.add_argument('--show-priv-flags', action=argparse.BooleanOptionalAction)
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parser.add_argument('--set-priv-flags', action=argparse.BooleanOptionalAction)
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parser.add_argument('--show-eee', action=argparse.BooleanOptionalAction)
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parser.add_argument('--set-eee', action=argparse.BooleanOptionalAction)
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parser.add_argument('-a', '--show-pause', action=argparse.BooleanOptionalAction)
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parser.add_argument('-A', '--set-pause', action=argparse.BooleanOptionalAction)
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parser.add_argument('-c', '--show-coalesce', action=argparse.BooleanOptionalAction)
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parser.add_argument('-C', '--set-coalesce', action=argparse.BooleanOptionalAction)
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parser.add_argument('-g', '--show-ring', action=argparse.BooleanOptionalAction)
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parser.add_argument('-G', '--set-ring', action=argparse.BooleanOptionalAction)
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parser.add_argument('-k', '--show-features', action=argparse.BooleanOptionalAction)
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parser.add_argument('-K', '--set-features', action=argparse.BooleanOptionalAction)
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parser.add_argument('-l', '--show-channels', action=argparse.BooleanOptionalAction)
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parser.add_argument('-L', '--set-channels', action=argparse.BooleanOptionalAction)
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parser.add_argument('-T', '--show-time-stamping', action=argparse.BooleanOptionalAction)
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parser.add_argument('-S', '--statistics', action=argparse.BooleanOptionalAction)
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# TODO: --show-tunnels tunnel-info-get
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# TODO: --show-module module-get
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# TODO: --get-plca-cfg plca-get
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# TODO: --get-plca-status plca-get-status
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# TODO: --show-mm mm-get
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# TODO: --show-fec fec-get
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# TODO: --dump-module-eerpom module-eeprom-get
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# TODO: pse-get
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# TODO: rss-get
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parser.add_argument('device', metavar='device', type=str)
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parser.add_argument('args', metavar='args', type=str, nargs='*')
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global args
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args = parser.parse_args()
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spec = '../../../Documentation/netlink/specs/ethtool.yaml'
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schema = '../../../Documentation/netlink/genetlink-legacy.yaml'
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ynl = YnlFamily(spec, schema)
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if args.set_priv_flags:
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# TODO: parse the bitmask
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print("not implemented")
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return
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if args.set_eee:
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return doit(ynl, args, 'eee-set')
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if args.set_pause:
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return doit(ynl, args, 'pause-set')
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if args.set_coalesce:
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return doit(ynl, args, 'coalesce-set')
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if args.set_features:
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# TODO: parse the bitmask
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print("not implemented")
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return
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if args.set_channels:
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return doit(ynl, args, 'channels-set')
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if args.set_ring:
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return doit(ynl, args, 'rings-set')
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if args.show_priv_flags:
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flags = bits_to_dict(dumpit(ynl, args, 'privflags-get')['flags'])
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print_field(flags)
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return
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if args.show_eee:
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eee = dumpit(ynl, args, 'eee-get')
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ours = bits_to_dict(eee['modes-ours'])
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peer = bits_to_dict(eee['modes-peer'])
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if 'enabled' in eee:
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status = 'enabled' if eee['enabled'] else 'disabled'
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if 'active' in eee and eee['active']:
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status = status + ' - active'
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else:
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status = status + ' - inactive'
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else:
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status = 'not supported'
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print(f'EEE status: {status}')
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print_field(eee, ('tx-lpi-timer', 'Tx LPI'))
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print_speed('Advertised EEE link modes', ours)
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print_speed('Link partner advertised EEE link modes', peer)
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return
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if args.show_pause:
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print_field(dumpit(ynl, args, 'pause-get'),
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('autoneg', 'Autonegotiate', 'bool'),
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('rx', 'RX', 'bool'),
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('tx', 'TX', 'bool'))
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return
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if args.show_coalesce:
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print_field(dumpit(ynl, args, 'coalesce-get'))
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return
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if args.show_features:
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reply = dumpit(ynl, args, 'features-get')
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available = bits_to_dict(reply['hw'])
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requested = bits_to_dict(reply['wanted']).keys()
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active = bits_to_dict(reply['active']).keys()
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never_changed = bits_to_dict(reply['nochange']).keys()
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for f in sorted(available):
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value = "off"
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if f in active:
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value = "on"
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fixed = ""
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if f not in available or f in never_changed:
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fixed = " [fixed]"
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req = ""
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if f in requested:
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if f in active:
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req = " [requested on]"
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else:
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req = " [requested off]"
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print(f'{f}: {value}{fixed}{req}')
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return
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if args.show_channels:
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reply = dumpit(ynl, args, 'channels-get')
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print(f'Channel parameters for {args.device}:')
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print(f'Pre-set maximums:')
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print_field(reply,
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('rx-max', 'RX'),
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('tx-max', 'TX'),
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('other-max', 'Other'),
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('combined-max', 'Combined'))
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print(f'Current hardware settings:')
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print_field(reply,
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('rx-count', 'RX'),
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('tx-count', 'TX'),
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('other-count', 'Other'),
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('combined-count', 'Combined'))
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return
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if args.show_ring:
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reply = dumpit(ynl, args, 'channels-get')
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print(f'Ring parameters for {args.device}:')
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print(f'Pre-set maximums:')
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print_field(reply,
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('rx-max', 'RX'),
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('rx-mini-max', 'RX Mini'),
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('rx-jumbo-max', 'RX Jumbo'),
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('tx-max', 'TX'))
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print(f'Current hardware settings:')
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print_field(reply,
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('rx', 'RX'),
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('rx-mini', 'RX Mini'),
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('rx-jumbo', 'RX Jumbo'),
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('tx', 'TX'))
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print_field(reply,
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('rx-buf-len', 'RX Buf Len'),
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('cqe-size', 'CQE Size'),
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('tx-push', 'TX Push', 'bool'))
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return
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if args.statistics:
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print(f'NIC statistics:')
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# TODO: pass id?
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strset = dumpit(ynl, args, 'strset-get')
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pprint.PrettyPrinter().pprint(strset)
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req = {
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'groups': {
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'size': 1,
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'bits': {
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'bit':
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# TODO: support passing the bitmask
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#[
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#{ 'name': 'eth-phy', 'value': True },
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{ 'name': 'eth-mac', 'value': True },
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#{ 'name': 'eth-ctrl', 'value': True },
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#{ 'name': 'rmon', 'value': True },
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#],
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},
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},
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}
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rsp = dumpit(ynl, args, 'stats-get', req)
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pprint.PrettyPrinter().pprint(rsp)
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return
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if args.show_time_stamping:
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tsinfo = dumpit(ynl, args, 'tsinfo-get')
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print(f'Time stamping parameters for {args.device}:')
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print('Capabilities:')
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[print(f'\t{v}') for v in bits_to_dict(tsinfo['timestamping'])]
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print(f'PTP Hardware Clock: {tsinfo["phc-index"]}')
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print('Hardware Transmit Timestamp Modes:')
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[print(f'\t{v}') for v in bits_to_dict(tsinfo['tx-types'])]
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print('Hardware Receive Filter Modes:')
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[print(f'\t{v}') for v in bits_to_dict(tsinfo['rx-filters'])]
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return
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print(f'Settings for {args.device}:')
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linkmodes = dumpit(ynl, args, 'linkmodes-get')
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ours = bits_to_dict(linkmodes['ours'])
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supported_ports = ('TP', 'AUI', 'BNC', 'MII', 'FIBRE', 'Backplane')
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ports = [ p for p in supported_ports if ours.get(p, False)]
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print(f'Supported ports: [ {" ".join(ports)} ]')
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print_speed('Supported link modes', ours)
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print_field(ours, ('Pause', 'Supported pause frame use', 'yn'))
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print_field(ours, ('Autoneg', 'Supports auto-negotiation', 'yn'))
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supported_fec = ('None', 'PS', 'BASER', 'LLRS')
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fec = [ p for p in supported_fec if ours.get(p, False)]
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fec_str = " ".join(fec)
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if len(fec) == 0:
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fec_str = "Not reported"
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print(f'Supported FEC modes: {fec_str}')
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speed = 'Unknown!'
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if linkmodes['speed'] > 0 and linkmodes['speed'] < 0xffffffff:
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speed = f'{linkmodes["speed"]}Mb/s'
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print(f'Speed: {speed}')
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duplex_modes = {
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0: 'Half',
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1: 'Full',
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}
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duplex = duplex_modes.get(linkmodes["duplex"], None)
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if not duplex:
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duplex = f'Unknown! ({linkmodes["duplex"]})'
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print(f'Duplex: {duplex}')
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autoneg = "off"
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if linkmodes.get("autoneg", 0) != 0:
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autoneg = "on"
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print(f'Auto-negotiation: {autoneg}')
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ports = {
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0: 'Twisted Pair',
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1: 'AUI',
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2: 'MII',
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3: 'FIBRE',
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4: 'BNC',
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5: 'Directly Attached Copper',
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0xef: 'None',
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}
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linkinfo = dumpit(ynl, args, 'linkinfo-get')
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print(f'Port: {ports.get(linkinfo["port"], "Other")}')
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print_field(linkinfo, ('phyaddr', 'PHYAD'))
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transceiver = {
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0: 'Internal',
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1: 'External',
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}
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print(f'Transceiver: {transceiver.get(linkinfo["transceiver"], "Unknown")}')
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mdix_ctrl = {
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1: 'off',
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2: 'on',
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}
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mdix = mdix_ctrl.get(linkinfo['tp-mdix-ctrl'], None)
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if mdix:
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mdix = mdix + ' (forced)'
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else:
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mdix = mdix_ctrl.get(linkinfo['tp-mdix'], 'Unknown (auto)')
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print(f'MDI-X: {mdix}')
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debug = dumpit(ynl, args, 'debug-get')
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msgmask = bits_to_dict(debug.get("msgmask", [])).keys()
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print(f'Current message level: {" ".join(msgmask)}')
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linkstate = dumpit(ynl, args, 'linkstate-get')
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detected_states = {
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0: 'no',
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1: 'yes',
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}
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# TODO: wol-get
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detected = detected_states.get(linkstate['link'], 'unknown')
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print(f'Link detected: {detected}')
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if __name__ == '__main__':
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main()
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