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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 21:52:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 21:52:14 +0100 |
| commit | d020f44bb364ba5456cdb834ebe68773ce9ff02b (patch) | |
| tree | 4be9a00c54b9e3201fbd80c6a20d6b18983c92d3 /tools | |
| parent | d4831043c0ad905b086a2d9afc5138a211c2b6f7 (diff) | |
| parent | 9733e9f580fdda2e8c1cd349caddd93f026ab6f5 (diff) | |
| download | linux-next-history-d020f44bb364ba5456cdb834ebe68773ce9ff02b.tar.gz | |
Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/rdma/Makefile | 3 | ||||
| -rwxr-xr-x | tools/testing/selftests/rdma/rxe_sent_rcvd_bytes.sh | 75 |
2 files changed, 77 insertions, 1 deletions
diff --git a/tools/testing/selftests/rdma/Makefile b/tools/testing/selftests/rdma/Makefile index 7dd7cba7a73c1..07af7f15c1bf7 100644 --- a/tools/testing/selftests/rdma/Makefile +++ b/tools/testing/selftests/rdma/Makefile @@ -2,6 +2,7 @@ TEST_PROGS := rxe_rping_between_netns.sh \ rxe_ipv6.sh \ rxe_socket_with_netns.sh \ - rxe_test_NETDEV_UNREGISTER.sh + rxe_test_NETDEV_UNREGISTER.sh \ + rxe_sent_rcvd_bytes.sh include ../lib.mk diff --git a/tools/testing/selftests/rdma/rxe_sent_rcvd_bytes.sh b/tools/testing/selftests/rdma/rxe_sent_rcvd_bytes.sh new file mode 100755 index 0000000000000..0e4fbfeebd228 --- /dev/null +++ b/tools/testing/selftests/rdma/rxe_sent_rcvd_bytes.sh @@ -0,0 +1,75 @@ +#!/bin/bash + +# Configuration +PORT=4791 +MODS=("tun" "rdma_rxe") + +exec > /dev/null + +# --- Helper: Cleanup Routine --- +cleanup() { + echo "Cleaning up resources..." + rdma link del rxe0 2>/dev/null + ip link del tun0 2>/dev/null + for m in "${MODS[@]}"; do modprobe -r "$m" 2>/dev/null; done +} + +# Ensure cleanup runs on script exit or interrupt +trap cleanup EXIT + +# --- Phase 1: Environment Check --- +if [[ $EUID -ne 0 ]]; then + echo "Error: This script must be run as root." + exit 1 +fi + +for m in "${MODS[@]}"; do + modprobe "$m" || { echo "Error: Failed to load $m"; exit 1; } +done + +# --- Phase 2: Create Interfaces & RXE Links --- +echo "Creating tun0 (1.1.1.1) and rxe0..." +ip tuntap add mode tun tun0 +ip addr add 1.1.1.1/24 dev tun0 +ip link set tun0 up +rdma link add rxe0 type rxe netdev tun0 + +# Verify port 4791 is listening +if ! ss -Huln sport = :$PORT | grep -q ":$PORT"; then + echo "Error: UDP port $PORT not found after rxe0 creation" + exit 1 +fi + +orig_s=`cat /sys/class/infiniband/rxe0/ports/1/counters/port_xmit_data` +orig_r=`cat /sys/class/infiniband/rxe0/ports/1/counters/port_rcv_data` + +rping -s -a 1.1.1.1 -C 3 -v & +sleep 1 +rping -c -a 1.1.1.1 -C 3 -d -v + +new_s=`cat /sys/class/infiniband/rxe0/ports/1/counters/port_xmit_data` +new_r=`cat /sys/class/infiniband/rxe0/ports/1/counters/port_rcv_data` + +echo sent $new_s $orig_s +echo rcvd $new_r $orig_r + +result0=$((new_s - orig_s)) +result1=$((new_r - orig_r)) + +if [ $result0 != $result1 ]; then + echo "Error: sent and rcvd bytes different" + echo $result0 + echo $result1 + exit 1 +fi + +echo "Deleting rxe0..." +rdma link del rxe0 + +# Port should now be gone +if ss -Huln sport = :$PORT | grep -q ":$PORT"; then + echo "Error: UDP port $PORT still exists after all links deleted" + exit 1 +fi + +echo "Test passed successfully." |