selftests: drv-net: make attr _nk_guest_ifname public

Subsequent patches will use the _nk_guest_ifname as a public attr for
setting up devmem. Rename to nk_guest_ifname to avoid angering the
linter about the '_' prefix being used for a non-private attr.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Link: https://patch.msgid.link/20260514-tcp-dm-netkit-v5-5-408c59b91e66@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2 files changed, 12 insertions, 12 deletions

diff --git a/tools/testing/selftests/drivers/net/hw/nk_qlease.py b/tools/testing/selftests/drivers/net/hw/nk_qlease.py
index aa83dc321328..139a91ebd229 100755
--- a/tools/testing/selftests/drivers/net/hw/nk_qlease.py
+++ b/tools/testing/selftests/drivers/net/hw/nk_qlease.py
@@ -71,7 +71,7 @@ def test_iou_zcrx(cfg) -> None:
     flow_rule_id = set_flow_rule(cfg)
     defer(ethtool, f"-N {cfg.ifname} delete {flow_rule_id}")
 
-    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg._nk_guest_ifname} -q {cfg.nk_queue}"
+    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg.nk_guest_ifname} -q {cfg.nk_queue}"
     tx_cmd = f"{cfg.bin_remote} -c -h {cfg.nk_guest_ipv6} -p {cfg.port} -l 12840"
     with bkg(rx_cmd, exit_wait=True):
         wait_port_listen(cfg.port, proto="tcp", ns=cfg.netns)
@@ -128,7 +128,7 @@ def test_attach_xdp_with_mp(cfg) -> None:
 
     netdevnl = NetdevFamily()
 
-    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg._nk_guest_ifname} -q {cfg.nk_queue}"
+    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg.nk_guest_ifname} -q {cfg.nk_queue}"
     with bkg(rx_cmd):
         wait_port_listen(cfg.port, proto="tcp", ns=cfg.netns)
 
@@ -178,7 +178,7 @@ def test_destroy(cfg) -> None:
     ethtool(f"-X {cfg.ifname} equal {cfg.src_queue}")
     defer(ethtool, f"-X {cfg.ifname} default")
 
-    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg._nk_guest_ifname} -q {cfg.nk_queue}"
+    rx_cmd = f"ip netns exec {cfg.netns.name} {cfg.bin_local} -s -p {cfg.port} -i {cfg.nk_guest_ifname} -q {cfg.nk_queue}"
     rx_proc = cmd(rx_cmd, background=True)
     wait_port_listen(cfg.port, proto="tcp", ns=cfg.netns)
 
@@ -196,7 +196,7 @@ def test_destroy(cfg) -> None:
     ip(f"link del dev {cfg._nk_host_ifname}")
     kill_timer.join()
     cfg._nk_host_ifname = None
-    cfg._nk_guest_ifname = None
+    cfg.nk_guest_ifname = None
 
     queue_info = netdevnl.queue_get(
         {"ifindex": cfg.ifindex, "id": cfg.src_queue, "type": "rx"}
diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py
index 24ce122abd9c..409b41922245 100644
--- a/tools/testing/selftests/drivers/net/lib/py/env.py
+++ b/tools/testing/selftests/drivers/net/lib/py/env.py
@@ -339,7 +339,7 @@ class NetDrvContEnv(NetDrvEpEnv):
     def __init__(self, src_path, rxqueues=1, **kwargs):
         self.netns = None
         self._nk_host_ifname = None
-        self._nk_guest_ifname = None
+        self.nk_guest_ifname = None
         self._tc_clsact_added = False
         self._tc_attached = False
         self._bpf_prog_pref = None
@@ -390,7 +390,7 @@ class NetDrvContEnv(NetDrvEpEnv):
 
         netkit_links.sort(key=lambda x: x['ifindex'])
         self._nk_host_ifname = netkit_links[1]['ifname']
-        self._nk_guest_ifname = netkit_links[0]['ifname']
+        self.nk_guest_ifname = netkit_links[0]['ifname']
         self.nk_host_ifindex = netkit_links[1]['ifindex']
         self.nk_guest_ifindex = netkit_links[0]['ifindex']
 
@@ -409,7 +409,7 @@ class NetDrvContEnv(NetDrvEpEnv):
         if self._nk_host_ifname:
             cmd(f"ip link del dev {self._nk_host_ifname}")
             self._nk_host_ifname = None
-            self._nk_guest_ifname = None
+            self.nk_guest_ifname = None
 
         if self._init_ns_attached:
             cmd("ip netns del init", fail=False)
@@ -448,16 +448,16 @@ class NetDrvContEnv(NetDrvEpEnv):
         cmd("ip netns attach init 1")
         self._init_ns_attached = True
         ip("netns set init 0", ns=self.netns)
-        ip(f"link set dev {self._nk_guest_ifname} netns {self.netns.name}")
+        ip(f"link set dev {self.nk_guest_ifname} netns {self.netns.name}")
         ip(f"link set dev {self._nk_host_ifname} up")
         ip(f"-6 addr add fe80::1/64 dev {self._nk_host_ifname} nodad")
         ip(f"-6 route add {self.nk_guest_ipv6}/128 via fe80::2 dev {self._nk_host_ifname}")
 
         ip("link set lo up", ns=self.netns)
-        ip(f"link set dev {self._nk_guest_ifname} up", ns=self.netns)
-        ip(f"-6 addr add fe80::2/64 dev {self._nk_guest_ifname}", ns=self.netns)
-        ip(f"-6 addr add {self.nk_guest_ipv6}/64 dev {self._nk_guest_ifname} nodad", ns=self.netns)
-        ip(f"-6 route add default via fe80::1 dev {self._nk_guest_ifname}", ns=self.netns)
+        ip(f"link set dev {self.nk_guest_ifname} up", ns=self.netns)
+        ip(f"-6 addr add fe80::2/64 dev {self.nk_guest_ifname}", ns=self.netns)
+        ip(f"-6 addr add {self.nk_guest_ipv6}/64 dev {self.nk_guest_ifname} nodad", ns=self.netns)
+        ip(f"-6 route add default via fe80::1 dev {self.nk_guest_ifname}", ns=self.netns)
 
     def _tc_ensure_clsact(self):
         qdisc = json.loads(cmd(f"tc -j qdisc show dev {self.ifname}").stdout)