diff options
| author | Dimitri Daskalakis <dimitri.daskalakis1@gmail.com> | 2025-08-20 18:40:23 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-08-22 07:46:27 -0700 |
| commit | bbd885b193cc8a651e18eef74f0e094acbc802b8 (patch) | |
| tree | 64cdb93ea187cb5569cd34a1af22db0cae3956ef | |
| parent | d06d70eb6af441c59ec8fc71df0c47427321318b (diff) | |
selftests: drv-net: xdp: Validate single-buff XDP_TX in multi-buff mode
Validate that drivers with multi-buff XDP programs properly reinitialize
xdp_buff between packets.
Signed-off-by: Dimitri Daskalakis <dimitri.daskalakis1@gmail.com>
Link: https://patch.msgid.link/20250821014023.1481662-4-dimitri.daskalakis1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rwxr-xr-x | tools/testing/selftests/drivers/net/xdp.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/drivers/net/xdp.py b/tools/testing/selftests/drivers/net/xdp.py index cea24c9b573e..35e9495cd506 100755 --- a/tools/testing/selftests/drivers/net/xdp.py +++ b/tools/testing/selftests/drivers/net/xdp.py @@ -358,7 +358,10 @@ def test_xdp_native_tx_mb(cfg): """ bpf_info = BPFProgInfo("xdp_prog_frags", "xdp_native.bpf.o", "xdp.frags", 9000) - _test_xdp_native_tx(cfg, bpf_info, [8000]) + # The first packet ensures we exercise the fragmented code path. + # And the subsequent 0-sized packet ensures the driver + # reinitializes xdp_buff correctly. + _test_xdp_native_tx(cfg, bpf_info, [8000, 0]) def _validate_res(res, offset_lst, pkt_sz_lst): |