1 files changed, 44 insertions, 8 deletions
diff --git a/tools/testing/selftests/drivers/net/queues.py b/tools/testing/selftests/drivers/net/queues.py
index 38303da957ee..cae923f84f69 100755
--- a/tools/testing/selftests/drivers/net/queues.py
+++ b/tools/testing/selftests/drivers/net/queues.py
@@ -2,13 +2,15 @@
 # SPDX-License-Identifier: GPL-2.0
 
 from lib.py import ksft_disruptive, ksft_exit, ksft_run
-from lib.py import ksft_eq, ksft_raises, KsftSkipEx
+from lib.py import ksft_eq, ksft_not_in, ksft_raises, KsftSkipEx, KsftFailEx
 from lib.py import EthtoolFamily, NetdevFamily, NlError
 from lib.py import NetDrvEnv
-from lib.py import cmd, defer, ip
+from lib.py import bkg, cmd, defer, ip
 import errno
 import glob
-
+import os
+import socket
+import struct
 
 def sys_get_queues(ifname, qtype='rx') -> int:
     folders = glob.glob(f'/sys/class/net/{ifname}/queues/{qtype}-*')
@@ -22,6 +24,40 @@ def nl_get_queues(cfg, nl, qtype='rx'):
     return None
 
 
+def check_xsk(cfg, nl, xdp_queue_id=0) -> None:
+    # Probe for support
+    xdp = cmd(cfg.rpath("xdp_helper") + ' - -', fail=False)
+    if xdp.ret == 255:
+        raise KsftSkipEx('AF_XDP unsupported')
+    elif xdp.ret > 0:
+        raise KsftFailEx('unable to create AF_XDP socket')
+
+    with bkg(f'{cfg.rpath("xdp_helper")} {cfg.ifindex} {xdp_queue_id}',
+             ksft_wait=3):
+
+        rx = tx = False
+
+        queues = nl.queue_get({'ifindex': cfg.ifindex}, dump=True)
+        if not queues:
+            raise KsftSkipEx("Netlink reports no queues")
+
+        for q in queues:
+            if q['id'] == 0:
+                if q['type'] == 'rx':
+                    rx = True
+                if q['type'] == 'tx':
+                    tx = True
+
+                ksft_eq(q.get('xsk', None), {},
+                        comment="xsk attr on queue we configured")
+            else:
+                ksft_not_in('xsk', q,
+                            comment="xsk attr on queue we didn't configure")
+
+        ksft_eq(rx, True)
+        ksft_eq(tx, True)
+
+
 def get_queues(cfg, nl) -> None:
     snl = NetdevFamily(recv_size=4096)
 
@@ -45,10 +81,9 @@ def addremove_queues(cfg, nl) -> None:
 
     netnl = EthtoolFamily()
     channels = netnl.channels_get({'header': {'dev-index': cfg.ifindex}})
-    if channels['combined-count'] == 0:
-        rx_type = 'rx'
-    else:
-        rx_type = 'combined'
+    rx_type = 'rx'
+    if channels.get('combined-count', 0) > 0:
+            rx_type = 'combined'
 
     expected = curr_queues - 1
     cmd(f"ethtool -L {cfg.dev['ifname']} {rx_type} {expected}", timeout=10)
@@ -81,7 +116,8 @@ def check_down(cfg, nl) -> None:
 
 def main() -> None:
     with NetDrvEnv(__file__, queue_count=100) as cfg:
-        ksft_run([get_queues, addremove_queues, check_down], args=(cfg, NetdevFamily()))
+        ksft_run([get_queues, addremove_queues, check_down, check_xsk],
+                 args=(cfg, NetdevFamily()))
     ksft_exit()