github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-28 09:04:39 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

selftests: drv-net: ping: make sure the ping test restores checksum offload

Browse Source 
The ping test flips checksum offload on and off.
Make sure the original value is restored if test fails.

Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250508214005.1518013-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-05-08 14:40:05 -07:00
parent 2451d3fb38
commit ef5224ed25
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
tools/testing/selftests/drivers/net/ping.py
View File

@ -50,6 +50,16 @@ def _test_tcp(cfg) -> None:
cmd(f"echo {test_string} | socat -t 2 -u STDIN TCP:{cfg.remote_baddr}:{port}", shell=True)
ksft_eq(nc.stdout.strip(), test_string)
def _schedule_checksum_reset(cfg, netnl) -> None:
features = ethtool(f"-k {cfg.ifname}", json=True)
setting = ""
for side in ["tx", "rx"]:
f = features[0][side + "-checksumming"]
if not f["fixed"]:
setting += " " + side
setting += " " + ("on" if f["requested"] or f["active"] else "off")
defer(ethtool, f" -K {cfg.ifname} " + setting)
def _set_offload_checksum(cfg, netnl, on) -> None:
try:
ethtool(f" -K {cfg.ifname} rx {on} tx {on} ")
@ -139,6 +149,7 @@ def set_interface_init(cfg) -> None:
def test_default_v4(cfg, netnl) -> None:
cfg.require_ipver("4")
_schedule_checksum_reset(cfg, netnl)
_set_offload_checksum(cfg, netnl, "off")
_test_v4(cfg)
_test_tcp(cfg)
@ -149,6 +160,7 @@ def test_default_v4(cfg, netnl) -> None:
def test_default_v6(cfg, netnl) -> None:
cfg.require_ipver("6")
_schedule_checksum_reset(cfg, netnl)
_set_offload_checksum(cfg, netnl, "off")
_test_v6(cfg)
_test_tcp(cfg)
@ -157,6 +169,7 @@ def test_default_v6(cfg, netnl) -> None:
_test_tcp(cfg)
def test_xdp_generic_sb(cfg, netnl) -> None:
_schedule_checksum_reset(cfg, netnl)
_set_xdp_generic_sb_on(cfg)
_set_offload_checksum(cfg, netnl, "off")
_test_v4(cfg)
@ -168,6 +181,7 @@ def test_xdp_generic_sb(cfg, netnl) -> None:
_test_tcp(cfg)
def test_xdp_generic_mb(cfg, netnl) -> None:
_schedule_checksum_reset(cfg, netnl)
_set_xdp_generic_mb_on(cfg)
_set_offload_checksum(cfg, netnl, "off")
_test_v4(cfg)
@ -179,6 +193,7 @@ def test_xdp_generic_mb(cfg, netnl) -> None:
_test_tcp(cfg)
def test_xdp_native_sb(cfg, netnl) -> None:
_schedule_checksum_reset(cfg, netnl)
_set_xdp_native_sb_on(cfg)
_set_offload_checksum(cfg, netnl, "off")
_test_v4(cfg)
@ -190,6 +205,7 @@ def test_xdp_native_sb(cfg, netnl) -> None:
_test_tcp(cfg)
def test_xdp_native_mb(cfg, netnl) -> None:
_schedule_checksum_reset(cfg, netnl)
_set_xdp_native_mb_on(cfg)
_set_offload_checksum(cfg, netnl, "off")
_test_v4(cfg)