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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Joe Damato , Wei Wang , Bobby Eshleman , Stanislav Fomichev , Nikolay Aleksandrov Subject: [PATCH net-next 4/4] selftests/net: Add netkit container ping test Date: Tue, 10 Feb 2026 12:04:19 -0800 Message-ID: <20260210200419.3555944-5-dw@davidwei.uk> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260210200419.3555944-1-dw@davidwei.uk> References: <20260210200419.3555944-1-dw@davidwei.uk> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a basic ping test using NetDrvContEnv that sets up a netkit pair, with one end in a netns. Use LOCAL_PREFIX_V6 and nk_forward BPF program to ping from a remote host to the netkit in netns. Signed-off-by: David Wei Signed-off-by: Daniel Borkmann --- .../testing/selftests/drivers/net/hw/Makefile | 1 + tools/testing/selftests/drivers/net/hw/config | 3 +++ .../selftests/drivers/net/hw/nk_netns.py | 23 +++++++++++++++++++ 3 files changed, 27 insertions(+) create mode 100755 tools/testing/selftests/drivers/net/hw/nk_netns.py diff --git a/tools/testing/selftests/drivers/net/hw/Makefile b/tools/testing/selftests/drivers/net/hw/Makefile index a64140333a46..91df028abfc0 100644 --- a/tools/testing/selftests/drivers/net/hw/Makefile +++ b/tools/testing/selftests/drivers/net/hw/Makefile @@ -32,6 +32,7 @@ TEST_PROGS = \ irq.py \ loopback.sh \ nic_timestamp.py \ + nk_netns.py \ pp_alloc_fail.py \ rss_api.py \ rss_ctx.py \ diff --git a/tools/testing/selftests/drivers/net/hw/config b/tools/testing/selftests/drivers/net/hw/config index 2307aa001be1..b6524040418e 100644 --- a/tools/testing/selftests/drivers/net/hw/config +++ b/tools/testing/selftests/drivers/net/hw/config @@ -1,3 +1,4 @@ +CONFIG_BPF_SYSCALL=y CONFIG_FAIL_FUNCTION=y CONFIG_FAULT_INJECTION=y CONFIG_FAULT_INJECTION_DEBUG_FS=y @@ -5,6 +6,8 @@ CONFIG_FUNCTION_ERROR_INJECTION=y CONFIG_IO_URING=y CONFIG_IPV6=y CONFIG_IPV6_GRE=y +CONFIG_NETKIT=y +CONFIG_NET_CLS_BPF=y CONFIG_NET_IPGRE=y CONFIG_NET_IPGRE_DEMUX=y CONFIG_UDMABUF=y diff --git a/tools/testing/selftests/drivers/net/hw/nk_netns.py b/tools/testing/selftests/drivers/net/hw/nk_netns.py new file mode 100755 index 000000000000..afa8638195d8 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/nk_netns.py @@ -0,0 +1,23 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +from lib.py import ksft_run, ksft_exit +from lib.py import NetDrvContEnv +from lib.py import cmd + + +def test_ping(cfg) -> None: + cfg.require_ipver("6") + + cmd(f"ping -c 1 -W5 {cfg.nk_guest_ipv6}", host=cfg.remote) + cmd(f"ping -c 1 -W5 {cfg.remote_addr_v['6']}", ns=cfg.netns) + + +def main() -> None: + with NetDrvContEnv(__file__) as cfg: + ksft_run([test_ping], args=(cfg,)) + ksft_exit() + + +if __name__ == "__main__": + main() -- 2.47.3