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