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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
import errno
from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_raises, KsftSkipEx
from lib.py import EthtoolFamily, NlError
from lib.py import NetDrvEnv
def get_hds(cfg, netnl) -> None:
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'tcp-data-split' not in rings:
raise KsftSkipEx('tcp-data-split not supported by device')
def get_hds_thresh(cfg, netnl) -> None:
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'hds-thresh' not in rings:
raise KsftSkipEx('hds-thresh not supported by device')
def set_hds_enable(cfg, netnl) -> None:
try:
netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'enabled'})
except NlError as e:
if e.error == errno.EINVAL:
raise KsftSkipEx("disabling of HDS not supported by the device")
elif e.error == errno.EOPNOTSUPP:
raise KsftSkipEx("ring-set not supported by the device")
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'tcp-data-split' not in rings:
raise KsftSkipEx('tcp-data-split not supported by device')
ksft_eq('enabled', rings['tcp-data-split'])
def set_hds_disable(cfg, netnl) -> None:
try:
netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'disabled'})
except NlError as e:
if e.error == errno.EINVAL:
raise KsftSkipEx("disabling of HDS not supported by the device")
elif e.error == errno.EOPNOTSUPP:
raise KsftSkipEx("ring-set not supported by the device")
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'tcp-data-split' not in rings:
raise KsftSkipEx('tcp-data-split not supported by device')
ksft_eq('disabled', rings['tcp-data-split'])
def set_hds_thresh_zero(cfg, netnl) -> None:
try:
netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': 0})
except NlError as e:
if e.error == errno.EINVAL:
raise KsftSkipEx("hds-thresh-set not supported by the device")
elif e.error == errno.EOPNOTSUPP:
raise KsftSkipEx("ring-set not supported by the device")
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'hds-thresh' not in rings:
raise KsftSkipEx('hds-thresh not supported by device')
ksft_eq(0, rings['hds-thresh'])
def set_hds_thresh_max(cfg, netnl) -> None:
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'hds-thresh' not in rings:
raise KsftSkipEx('hds-thresh not supported by device')
try:
netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': rings['hds-thresh-max']})
except NlError as e:
if e.error == errno.EINVAL:
raise KsftSkipEx("hds-thresh-set not supported by the device")
elif e.error == errno.EOPNOTSUPP:
raise KsftSkipEx("ring-set not supported by the device")
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
ksft_eq(rings['hds-thresh'], rings['hds-thresh-max'])
def set_hds_thresh_gt(cfg, netnl) -> None:
try:
rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}})
except NlError as e:
raise KsftSkipEx('ring-get not supported by device')
if 'hds-thresh' not in rings:
raise KsftSkipEx('hds-thresh not supported by device')
if 'hds-thresh-max' not in rings:
raise KsftSkipEx('hds-thresh-max not defined by device')
hds_gt = rings['hds-thresh-max'] + 1
with ksft_raises(NlError) as e:
netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': hds_gt})
ksft_eq(e.exception.nl_msg.error, -errno.EINVAL)
def main() -> None:
with NetDrvEnv(__file__, queue_count=3) as cfg:
ksft_run([get_hds,
get_hds_thresh,
set_hds_disable,
set_hds_enable,
set_hds_thresh_zero,
set_hds_thresh_max,
set_hds_thresh_gt],
args=(cfg, EthtoolFamily()))
ksft_exit()
if __name__ == "__main__":
main()
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