Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR (net-7.3-rc4).

Conflicts:

net/core/neighbour.c
  979aabdad8dd0 ("neighbour: Skip default parms when resumed in neightbl_dump_info().")
  7b430fcfc972f ("neighbour: Don't render blackhole_netdev via RTM_GETNEIGHTBL.")
  fae1c59810b86 ("neighbour: Remove unnecessary net_eq().")
https://lore.kernel.org/20260911173056.44ec06e0@kernel.org
https://lore.kernel.org/aqfbJi7nAX4IbmnR@sirena.co.uk

Adjacent changes:

net/netlink/af_netlink.c
  ceac0de741bf ("netlink: do not free nlk->groups while lockless readers can use it")
  7c0ec6288b49 ("net: Replace %pK output with 0")

net/bridge/br_vlan.c
  2842ce397dd0 ("net: bridge: vlan: fix bugs caused by switchdev deletion errors")
  5bec8f861114 ("net: bridge: vlan: annotate lockless use of num_vlans")
  2b1f8fd3118c ("net: bridge: vlan: annotate lockless vlan flags use")

net/bridge/br_mst.c
  18a6fe05fb6e ("net: bridge: mst: move switchdev call outside rcu")
  120207a08fc0 ("net: bridge: vlan: annotate lockless use of msti")

drivers/net/ethernet/stmicro/stmmac/hwif.h
  90e4b849dfa6 ("net: stmmac: propagate FPE preemption-class mapping errors")
  85ca3292d7a3 ("net: stmmac: Remove ARP offload code")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2 files changed, 47 insertions, 0 deletions

diff --git a/tools/testing/selftests/drivers/net/config b/tools/testing/selftests/drivers/net/config
index b6989c7d3d9d..4838adf27fa1 100644
--- a/tools/testing/selftests/drivers/net/config
+++ b/tools/testing/selftests/drivers/net/config
@@ -21,5 +21,6 @@ CONFIG_NET_SCH_INGRESS=y
 CONFIG_NET_SCH_PRIO=m
 CONFIG_PPP=y
 CONFIG_PPPOE=y
+CONFIG_TLS=y
 CONFIG_VLAN_8021Q=m
 CONFIG_XDP_SOCKETS=y
diff --git a/tools/testing/selftests/drivers/net/psp.py b/tools/testing/selftests/drivers/net/psp.py
index 13ff5188cca3..5a81f40cac7d 100755
--- a/tools/testing/selftests/drivers/net/psp.py
+++ b/tools/testing/selftests/drivers/net/psp.py
@@ -23,6 +23,8 @@ from lib.py import NetNSEnter
 from lib.py import bkg, rand_port, wait_port_listen
 from lib.py import ip
 
+TCP_ULP = 31
+
 
 def _get_outq(s):
     one = b'\0' * 4
@@ -333,6 +335,50 @@ def assoc_version_mismatch(cfg):
             ksft_eq(the_exception.nl_msg.error, -errno.EINVAL)
 
 
+def _require_tls_ulp():
+    with socket.create_server(("localhost", 0)) as srv, \
+         socket.create_connection(srv.getsockname()) as s:
+        try:
+            s.setsockopt(socket.SOL_TCP, TCP_ULP, b"tls")
+        except OSError as exc:
+            raise KsftSkipEx("kTLS not available") from exc
+
+
+def assoc_psp_ulp_exclusive(cfg):
+    """ Test that a TCP ULP cannot be attached to a PSP socket """
+    _init_psp_dev(cfg)
+    _require_tls_ulp()
+
+    with _make_clr_conn(cfg) as s:
+        try:
+            cfg.pspnl.rx_assoc({"version": 0,
+                                "dev-id": cfg.psp_dev_id,
+                                "sock-fd": s.fileno()})
+            with ksft_raises(OSError) as cm:
+                s.setsockopt(socket.SOL_TCP, TCP_ULP, b"tls")
+            ksft_eq(cm.exception.errno, errno.EINVAL)
+        finally:
+            _close_conn(cfg, s)
+
+
+def assoc_ulp_psp_exclusive(cfg):
+    """ Test that a PSP assoc cannot be added to a socket with a TCP ULP """
+    _init_psp_dev(cfg)
+    _require_tls_ulp()
+
+    with _make_clr_conn(cfg) as s:
+        try:
+            s.setsockopt(socket.SOL_TCP, TCP_ULP, b"tls")
+            with ksft_raises(NlError) as cm:
+                cfg.pspnl.rx_assoc({"version": 0,
+                                    "dev-id": cfg.psp_dev_id,
+                                    "sock-fd": s.fileno()})
+            ksft_eq(cm.exception.nl_msg.error, -errno.EINVAL)
+            ksft_eq(cm.exception.nl_msg.extack['bad-attr'], ".sock-fd")
+        finally:
+            _close_conn(cfg, s)
+
+
 def assoc_twice(cfg):
     """ Test reusing Tx assoc for two sockets """
     _init_psp_dev(cfg)