selftest: validate RSS+ntuple filters with nonzero ring_cookie

Test creates an ntuple filter with 'action 2' and an RSS context whose
 indirection table has entries 0 and 1.  Resulting traffic should go to
 queues 2 and 3; verify that it never hits queues 0 and 1.

Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/114afdf4d2867f72ed27751e8e08fe8b128a8529.1731499022.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Edward Cree 2024-11-13 12:13:12 +00:00 committed by Jakub Kicinski
parent b2d5b4c468
commit e9e8abfec2

View File

@ -633,6 +633,45 @@ def test_delete_rss_context_busy(cfg):
pass
def test_rss_ntuple_addition(cfg):
"""
Test that the queue offset (ring_cookie) of an ntuple rule is added
to the queue number read from the indirection table.
"""
require_ntuple(cfg)
queue_cnt = len(_get_rx_cnts(cfg))
if queue_cnt < 4:
try:
ksft_pr(f"Increasing queue count {queue_cnt} -> 4")
ethtool(f"-L {cfg.ifname} combined 4")
defer(ethtool, f"-L {cfg.ifname} combined {queue_cnt}")
except:
raise KsftSkipEx("Not enough queues for the test")
# Use queue 0 for normal traffic
ethtool(f"-X {cfg.ifname} equal 1")
defer(ethtool, f"-X {cfg.ifname} default")
# create additional rss context
ctx_id = ethtool_create(cfg, "-X", "context new equal 2")
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-ip {cfg.addr} dst-port {port} context {ctx_id} action 2"
try:
ntuple_id = ethtool_create(cfg, "-N", flow)
except CmdExitFailure:
raise KsftSkipEx("Ntuple filter with RSS and nonzero action not supported")
defer(ethtool, f"-N {cfg.ifname} delete {ntuple_id}")
_send_traffic_check(cfg, port, f"context {ctx_id}", { 'target': (2, 3),
'empty' : (1,),
'noise' : (0,) })
def main() -> None:
with NetDrvEpEnv(__file__, nsim_test=False) as cfg:
cfg.ethnl = EthtoolFamily()
@ -644,7 +683,7 @@ def main() -> None:
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_delete_rss_context_busy],
test_delete_rss_context_busy, test_rss_ntuple_addition],
args=(cfg, ))
ksft_exit()