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selftests: drv-net: psp: test PSP and TCP ULP mutual exclusion

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Test both setting PSP after TLS ULP, and TLS ULP after PSP.

Add CONFIG_TLS=y to the drivers/net/config.

Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260915-psp-ktls-fix-v2-2-0eedc3b148ec@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Daniel Zahka 2026-09-15 16:11:38 -07:00 committed by Jakub Kicinski
parent a41f24c612
commit b4288c59bd
2 changed files with 47 additions and 0 deletions
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1
tools/testing/selftests/drivers/net/config
View File

@ -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

46
tools/testing/selftests/drivers/net/psp.py
View File

@ -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)