On Thu, May 07, 2026 at 09:21:09PM -0700, Zhu Yanjun wrote:
>
> 在 2026/5/7 5:51, Yi Lai 写道:
> > Currently, the rdma rxe selftests fail with an exit code of 1 when
> > required kernel modules are not present. This causes spurious failures
> > in environments where these modules might not be compiled or available.
> >
> > Include the standard kselftest 'ktap_helpers.sh' and replace the
> > hardcoded error exits with '$KSFT_SKIP'. This ensures the tests are
> > properly marked as skipped rather than failed.
> tools/testing/selftests/rdma/rxe_rping_between_netns.sh:30:modprobe rdma_rxe
> || { echo "Failed to load rdma_rxe"; exit 1; }
> tools/testing/selftests/rdma/rxe_socket_with_netns.sh:29: modprobe "$m" || {
> echo "Error: Failed to load $m"; exit 1; }
>
> In the above script files, if modprobe fails, exit 1;
>
> I am wondering if we need to replace error code 1 with $KSFT_SKIP.
>
Thanks for the review.
At this point, the module's existence is already verified using modinfo.
In my opinion, a failure at modprobe here implies an active operational
error, so returning 1 to highlight the malfunction seems reasonable.
Regards,
Yi Lai
> Except the above, I am fine with this commit.
>
> Reviewed-by: Zhu Yanjun <[email protected]>
>
> Zhu Yanjun
>
> >
> > Signed-off-by: Yi Lai <[email protected]>
> > ---
> > tools/testing/selftests/rdma/rxe_ipv6.sh | 6 ++++--
> > tools/testing/selftests/rdma/rxe_rping_between_netns.sh | 7 +++++++
> > tools/testing/selftests/rdma/rxe_socket_with_netns.sh | 6 ++++++
> > tools/testing/selftests/rdma/rxe_test_NETDEV_UNREGISTER.sh | 6 ++++--
> > 4 files changed, 21 insertions(+), 4 deletions(-)
> >
> > diff --git a/tools/testing/selftests/rdma/rxe_ipv6.sh
> > b/tools/testing/selftests/rdma/rxe_ipv6.sh
> > index b7059bfd6d7c..32dad687a044 100755
> > --- a/tools/testing/selftests/rdma/rxe_ipv6.sh
> > +++ b/tools/testing/selftests/rdma/rxe_ipv6.sh
> > @@ -8,6 +8,8 @@ RXE_NAME="rxe6"
> > PORT=4791
> > IP6_ADDR="2001:db8::1/64"
> > +source "$(dirname "$0")/../kselftest/ktap_helpers.sh"
> > +
> > exec > /dev/null
> > # Cleanup function to run on exit (even on failure)
> > @@ -21,8 +23,8 @@ trap cleanup EXIT
> > # 1. Prerequisites check
> > for mod in tun veth rdma_rxe; do
> > if ! modinfo "$mod" >/dev/null 2>&1; then
> > - echo "Error: Kernel module '$mod' not found."
> > - exit 1
> > + echo "SKIP: Kernel module '$mod' not found." >&2
> > + exit $KSFT_SKIP
> > fi
> > done
> > diff --git a/tools/testing/selftests/rdma/rxe_rping_between_netns.sh
> > b/tools/testing/selftests/rdma/rxe_rping_between_netns.sh
> > index e5b876f58c6e..e7554fbb8951 100755
> > --- a/tools/testing/selftests/rdma/rxe_rping_between_netns.sh
> > +++ b/tools/testing/selftests/rdma/rxe_rping_between_netns.sh
> > @@ -8,6 +8,8 @@ IP_A="1.1.1.1"
> > IP_B="1.1.1.2"
> > PORT=4791
> > +source "$(dirname "$0")/../kselftest/ktap_helpers.sh"
> > +
> > exec > /dev/null
> > # --- Cleanup Routine ---
> > @@ -27,6 +29,11 @@ if [[ $EUID -ne 0 ]]; then
> > exit 1
> > fi
> > +if ! modinfo rdma_rxe >/dev/null 2>&1; then
> > + echo "SKIP: Kernel module 'rdma_rxe' not found." >&2
> > + exit $KSFT_SKIP
> > +fi
> > +
> > modprobe rdma_rxe || { echo "Failed to load rdma_rxe"; exit 1; }
> > # --- Setup Network Topology ---
> > diff --git a/tools/testing/selftests/rdma/rxe_socket_with_netns.sh
> > b/tools/testing/selftests/rdma/rxe_socket_with_netns.sh
> > index 002e5098f751..9478657c02c1 100755
> > --- a/tools/testing/selftests/rdma/rxe_socket_with_netns.sh
> > +++ b/tools/testing/selftests/rdma/rxe_socket_with_netns.sh
> > @@ -4,6 +4,8 @@
> > PORT=4791
> > MODS=("tun" "rdma_rxe")
> > +source "$(dirname "$0")/../kselftest/ktap_helpers.sh"
> > +
> > exec > /dev/null
> > # --- Helper: Cleanup Routine ---
> > @@ -26,6 +28,10 @@ if [[ $EUID -ne 0 ]]; then
> > fi
> > for m in "${MODS[@]}"; do
> > + if ! modinfo "$m" >/dev/null 2>&1; then
> > + echo "SKIP: Kernel module '$m' not found." >&2
> > + exit $KSFT_SKIP
> > + fi
> > modprobe "$m" || { echo "Error: Failed to load $m"; exit 1; }
> > done
> > diff --git a/tools/testing/selftests/rdma/rxe_test_NETDEV_UNREGISTER.sh
> > b/tools/testing/selftests/rdma/rxe_test_NETDEV_UNREGISTER.sh
> > index 021ca451499d..8c18cea7535c 100755
> > --- a/tools/testing/selftests/rdma/rxe_test_NETDEV_UNREGISTER.sh
> > +++ b/tools/testing/selftests/rdma/rxe_test_NETDEV_UNREGISTER.sh
> > @@ -5,6 +5,8 @@ DEV_NAME="tun0"
> > RXE_NAME="rxe0"
> > RDMA_PORT=4791
> > +source "$(dirname "$0")/../kselftest/ktap_helpers.sh"
> > +
> > exec > /dev/null
> > # --- Cleanup Routine ---
> > @@ -19,8 +21,8 @@ trap cleanup EXIT
> > # 1. Dependency Check
> > if ! modinfo rdma_rxe >/dev/null 2>&1; then
> > - echo "Error: rdma_rxe module not found."
> > - exit 1
> > + echo "SKIP: rdma_rxe module not found." >&2
> > + exit $KSFT_SKIP
> > fi
> > modprobe rdma_rxe
>
> --
> Best Regards,
> Yanjun.Zhu
>