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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Jonathan Corbet , Shuah Khan , Alex Shi , Yanteng Si , Dongliang Mu , Michael Chan , Pavan Chebbi , Joshua Washington , Harshitha Ramamurthy , Saeed Mahameed , Tariq Toukan , Mark Bloch , Leon Romanovsky , Alexander Duyck , kernel-team@meta.com, Daniel Borkmann , Nikolay Aleksandrov , Shuah Khan Cc: netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, Stanislav Fomichev , Mina Almasry , Bobby Eshleman X-Mailer: b4 0.14.3 From: Bobby Eshleman Add nk_devmem.py with four tests for TCP devmem through a netkit device: These tests are just duplicates of the original devmem tests, with some adjusted parameters such as telling ncdevmem to avoid device setup (since it only has access to netkit, not a phys device). Each test uses NetDrvContEnv with primary_rx_redirect=True to set up the BPF redirect program on the primary netkit interface. Assisted-by: Claude Code:claude-sonnet-4-6 Signed-off-by: Bobby Eshleman --- .../testing/selftests/drivers/net/hw/nk_devmem.py | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/tools/testing/selftests/drivers/net/hw/nk_devmem.py b/tools/testing/selftests/drivers/net/hw/nk_devmem.py new file mode 100755 index 000000000000..c069d525798b --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/nk_devmem.py @@ -0,0 +1,40 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +"""Test devmem TCP with netkit.""" + +from os import path +from lib.py import ksft_run, ksft_exit, ksft_disruptive +from lib.py import NetDrvContEnv +from lib.py.devmem import setup_test, run_rx, run_tx, run_tx_chunks, run_rx_hds + + +@ksft_disruptive +def check_nk_rx(cfg) -> None: + run_rx(cfg) + + +@ksft_disruptive +def check_nk_tx(cfg) -> None: + run_tx(cfg) + + +@ksft_disruptive +def check_nk_tx_chunks(cfg) -> None: + run_tx_chunks(cfg) + + +@ksft_disruptive +def check_nk_rx_hds(cfg) -> None: + run_rx_hds(cfg) + + +def main() -> None: + with NetDrvContEnv(__file__, rxqueues=2, primary_rx_redirect=True) as cfg: + setup_test(cfg, path.abspath(path.dirname(__file__) + "/ncdevmem")) + ksft_run([check_nk_rx, check_nk_tx, check_nk_tx_chunks, check_nk_rx_hds], + args=(cfg,)) + ksft_exit() + + +if __name__ == "__main__": + main() -- 2.52.0