Commit e9e8abfe authored by Edward Cree's avatar Edward Cree Committed by Jakub Kicinski
Browse files

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: default avatarEdward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/114afdf4d2867f72ed27751e8e08fe8b128a8529.1731499022.git.ecree.xilinx@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent b2d5b4c4

tools/testing/selftests/drivers/net/hw/rss_ctx.py

+40 −1
Original line number Diff line number Diff line
@@ -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()