dasharo/linux
0
0
Fork 0
mirror of https://github.com/Dasharo/linux.git synced 2026-03-06 15:25:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

selftests: drv-net: rss_ctx: add rss ctx busy testcase

Browse Source 
It should be invalid to delete an rss context while it is being
referenced from an ntuple filter. ethtool core should prevent this
from happening. This patch adds a testcase to verify this behavior.

Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Daniel Zahka
2024-10-11 11:35:48 -07:00
committed by Paolo Abeni
parent 42dc431f5d
commit 1ec43493c9
1 changed files with 30 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
tools/testing/selftests/drivers/net/hw/rss_ctx.py
View File

@@ -6,7 +6,7 @@ import random
from lib.py import ksft_run, ksft_pr, ksft_exit, ksft_eq, ksft_ne, ksft_ge, ksft_lt
from lib.py import NetDrvEpEnv
from lib.py import EthtoolFamily, NetdevFamily
from lib.py import KsftSkipEx
from lib.py import KsftSkipEx, KsftFailEx
from lib.py import rand_port
from lib.py import ethtool, ip, defer, GenerateTraffic, CmdExitFailure
@@ -606,6 +606,33 @@ def test_rss_context_overlap2(cfg):
test_rss_context_overlap(cfg, True)
def test_delete_rss_context_busy(cfg):
"""
Test that deletion returns -EBUSY when an rss context is being used
by an ntuple filter.
"""
require_ntuple(cfg)
# create additional rss context
ctx_id = ethtool_create(cfg, "-X", "context new")
ctx_deleter = defer(ethtool, f"-X {cfg.ifname} context {ctx_id} delete")
# utilize context from ntuple filter
port = rand_port()
flow = f"flow-type tcp{cfg.addr_ipver} dst-port {port} context {ctx_id}"
ntuple_id = ethtool_create(cfg, "-N", flow)
defer(ethtool, f"-N {cfg.ifname} delete {ntuple_id}")
# attempt to delete in-use context
try:
ctx_deleter.exec_only()
ctx_deleter.cancel()
raise KsftFailEx(f"deleted context {ctx_id} used by rule {ntuple_id}")
except CmdExitFailure:
pass
def main() -> None:
with NetDrvEpEnv(__file__, nsim_test=False) as cfg:
cfg.ethnl = EthtoolFamily()
@@ -616,7 +643,8 @@ def main() -> None:
test_rss_context, test_rss_context4, test_rss_context32,
test_rss_context_dump, test_rss_context_queue_reconfigure,
test_rss_context_overlap, test_rss_context_overlap2,
test_rss_context_out_of_order, test_rss_context4_create_with_cfg],
test_rss_context_out_of_order, test_rss_context4_create_with_cfg,
test_delete_rss_context_busy],
args=(cfg, ))
ksft_exit()