mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-02-17 03:07:53 -05:00
Code Issues Packages Projects Releases Wiki Activity

selftests: drv-net: xdp: Validate single-buff XDP_TX in multi-buff mode

Browse Source 
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>
This commit is contained in:
Dimitri Daskalakis
2025-08-20 18:40:23 -07:00
committed by Jakub Kicinski
parent d06d70eb6a
commit bbd885b193
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
tools/testing/selftests/drivers/net/xdp.py
View File

@@ -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):