1 files changed, 97 insertions, 43 deletions
diff --git a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
index 6a0378e06cab..9c03fd777f3d 100755
--- a/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
+++ b/tools/testing/selftests/drivers/net/hw/iou-zcrx.py
@@ -5,13 +5,12 @@ import re
 from os import path
 from lib.py import ksft_run, ksft_exit
 from lib.py import NetDrvEpEnv
-from lib.py import bkg, cmd, ethtool, wait_port_listen
+from lib.py import bkg, cmd, defer, ethtool, rand_port, wait_port_listen
 
 
-def _get_rx_ring_entries(cfg):
-    output = ethtool(f"-g {cfg.ifname}", host=cfg.remote).stdout
-    values = re.findall(r'RX:\s+(\d+)', output)
-    return int(values[1])
+def _get_current_settings(cfg):
+    output = ethtool(f"-g {cfg.ifname}", json=True, host=cfg.remote)[0]
+    return (output['rx'], output['hds-thresh'])
 
 
 def _get_combined_channels(cfg):
@@ -20,8 +19,21 @@ def _get_combined_channels(cfg):
     return int(values[1])
 
 
-def _set_flow_rule(cfg, chan):
-    output = ethtool(f"-N {cfg.ifname} flow-type tcp6 dst-port 9999 action {chan}", host=cfg.remote).stdout
+def _create_rss_ctx(cfg, chan):
+    output = ethtool(f"-X {cfg.ifname} context new start {chan} equal 1", host=cfg.remote).stdout
+    values = re.search(r'New RSS context is (\d+)', output).group(1)
+    ctx_id = int(values)
+    return (ctx_id, defer(ethtool, f"-X {cfg.ifname} delete context {ctx_id}", host=cfg.remote))
+
+
+def _set_flow_rule(cfg, port, chan):
+    output = ethtool(f"-N {cfg.ifname} flow-type tcp6 dst-port {port} action {chan}", host=cfg.remote).stdout
+    values = re.search(r'ID (\d+)', output).group(1)
+    return int(values)
+
+
+def _set_flow_rule_rss(cfg, port, ctx_id):
+    output = ethtool(f"-N {cfg.ifname} flow-type tcp6 dst-port {port} context {ctx_id}", host=cfg.remote).stdout
     values = re.search(r'ID (\d+)', output).group(1)
     return int(values)
 
@@ -32,24 +44,29 @@ def test_zcrx(cfg) -> None:
     combined_chans = _get_combined_channels(cfg)
     if combined_chans < 2:
         raise KsftSkipEx('at least 2 combined channels required')
-    rx_ring = _get_rx_ring_entries(cfg)
-
-    try:
-        ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
-        ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
-        flow_rule_id = _set_flow_rule(cfg, combined_chans - 1)
-
-        rx_cmd = f"{cfg.bin_remote} -s -p 9999 -i {cfg.ifname} -q {combined_chans - 1}"
-        tx_cmd = f"{cfg.bin_local} -c -h {cfg.remote_addr_v['6']} -p 9999 -l 12840"
-        with bkg(rx_cmd, host=cfg.remote, exit_wait=True):
-            wait_port_listen(9999, proto="tcp", host=cfg.remote)
-            cmd(tx_cmd)
-    finally:
-        ethtool(f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
-        ethtool(f"-X {cfg.ifname} default", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
+    (rx_ring, hds_thresh) = _get_current_settings(cfg)
+    port = rand_port()
+
+    ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} hds-thresh 0", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} hds-thresh {hds_thresh}", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
+
+    ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
+    defer(ethtool, f"-X {cfg.ifname} default", host=cfg.remote)
+
+    flow_rule_id = _set_flow_rule(cfg, port, combined_chans - 1)
+    defer(ethtool, f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
+
+    rx_cmd = f"{cfg.bin_remote} -s -p {port} -i {cfg.ifname} -q {combined_chans - 1}"
+    tx_cmd = f"{cfg.bin_local} -c -h {cfg.remote_addr_v['6']} -p {port} -l 12840"
+    with bkg(rx_cmd, host=cfg.remote, exit_wait=True):
+        wait_port_listen(port, proto="tcp", host=cfg.remote)
+        cmd(tx_cmd)
 
 
 def test_zcrx_oneshot(cfg) -> None:
@@ -58,24 +75,61 @@ def test_zcrx_oneshot(cfg) -> None:
     combined_chans = _get_combined_channels(cfg)
     if combined_chans < 2:
         raise KsftSkipEx('at least 2 combined channels required')
-    rx_ring = _get_rx_ring_entries(cfg)
-
-    try:
-        ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
-        ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
-        flow_rule_id = _set_flow_rule(cfg, combined_chans - 1)
-
-        rx_cmd = f"{cfg.bin_remote} -s -p 9999 -i {cfg.ifname} -q {combined_chans - 1} -o 4"
-        tx_cmd = f"{cfg.bin_local} -c -h {cfg.remote_addr_v['6']} -p 9999 -l 4096 -z 16384"
-        with bkg(rx_cmd, host=cfg.remote, exit_wait=True):
-            wait_port_listen(9999, proto="tcp", host=cfg.remote)
-            cmd(tx_cmd)
-    finally:
-        ethtool(f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
-        ethtool(f"-X {cfg.ifname} default", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
-        ethtool(f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
+    (rx_ring, hds_thresh) = _get_current_settings(cfg)
+    port = rand_port()
+
+    ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} hds-thresh 0", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} hds-thresh {hds_thresh}", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
+
+    ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
+    defer(ethtool, f"-X {cfg.ifname} default", host=cfg.remote)
+
+    flow_rule_id = _set_flow_rule(cfg, port, combined_chans - 1)
+    defer(ethtool, f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
+
+    rx_cmd = f"{cfg.bin_remote} -s -p {port} -i {cfg.ifname} -q {combined_chans - 1} -o 4"
+    tx_cmd = f"{cfg.bin_local} -c -h {cfg.remote_addr_v['6']} -p {port} -l 4096 -z 16384"
+    with bkg(rx_cmd, host=cfg.remote, exit_wait=True):
+        wait_port_listen(port, proto="tcp", host=cfg.remote)
+        cmd(tx_cmd)
+
+
+def test_zcrx_rss(cfg) -> None:
+    cfg.require_ipver('6')
+
+    combined_chans = _get_combined_channels(cfg)
+    if combined_chans < 2:
+        raise KsftSkipEx('at least 2 combined channels required')
+    (rx_ring, hds_thresh) = _get_current_settings(cfg)
+    port = rand_port()
+
+    ethtool(f"-G {cfg.ifname} tcp-data-split on", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} tcp-data-split auto", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} hds-thresh 0", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} hds-thresh {hds_thresh}", host=cfg.remote)
+
+    ethtool(f"-G {cfg.ifname} rx 64", host=cfg.remote)
+    defer(ethtool, f"-G {cfg.ifname} rx {rx_ring}", host=cfg.remote)
+
+    ethtool(f"-X {cfg.ifname} equal {combined_chans - 1}", host=cfg.remote)
+    defer(ethtool, f"-X {cfg.ifname} default", host=cfg.remote)
+
+    (ctx_id, delete_ctx) = _create_rss_ctx(cfg, combined_chans - 1)
+    flow_rule_id = _set_flow_rule_rss(cfg, port, ctx_id)
+    defer(ethtool, f"-N {cfg.ifname} delete {flow_rule_id}", host=cfg.remote)
+
+    rx_cmd = f"{cfg.bin_remote} -s -p {port} -i {cfg.ifname} -q {combined_chans - 1}"
+    tx_cmd = f"{cfg.bin_local} -c -h {cfg.remote_addr_v['6']} -p {port} -l 12840"
+    with bkg(rx_cmd, host=cfg.remote, exit_wait=True):
+        wait_port_listen(port, proto="tcp", host=cfg.remote)
+        cmd(tx_cmd)
 
 
 def main() -> None: