@@ -238,6 +238,32 @@ def test_rss_queue_reconfigure(cfg, main_ctx=True):
else:
raise Exception(f"Driver didn't prevent us from deactivating a used queue (context {ctx_id})")
+ if not main_ctx:
+ ethtool(f"-L {cfg.ifname} combined 4")
+ flow = f"flow-type tcp{cfg.addr_ipver} dst-ip {cfg.addr} dst-port {port} context {ctx_id} action 1"
+ try:
+ # this targets queue 4, which doesn't exist
+ ntuple2 = ethtool_create(cfg, "-N", flow)
+ except CmdExitFailure:
+ pass
+ else:
+ raise Exception(f"Driver didn't prevent us from targeting a nonexistent queue (context {ctx_id})")
+ # change the table to target queues 0 and 2
+ ethtool(f"-X {cfg.ifname} {ctx_ref} weight 1 0 1 0")
+ # ntuple rule therefore targets queues 1 and 3
+ ntuple2 = ethtool_create(cfg, "-N", flow)
+ # should replace existing filter
+ ksft_eq(ntuple, ntuple2)
+ _send_traffic_check(cfg, port, ctx_ref, { 'target': (1, 3),
+ 'noise' : (0, 2) })
+ # Setting queue count to 3 should fail, queue 3 is used
+ try:
+ ethtool(f"-L {cfg.ifname} combined 3")
+ except CmdExitFailure:
+ pass
+ else:
+ raise Exception(f"Driver didn't prevent us from deactivating a used queue (context {ctx_id})")
+
def test_rss_resize(cfg):
"""Test resizing of the RSS table.