diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_xsk.sh')
| -rwxr-xr-x | tools/testing/selftests/bpf/test_xsk.sh | 169 |
1 files changed, 122 insertions, 47 deletions
diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh index cd7bf32e6a17..62db060298a4 100755 --- a/tools/testing/selftests/bpf/test_xsk.sh +++ b/tools/testing/selftests/bpf/test_xsk.sh @@ -24,8 +24,6 @@ # ----------- | ---------- # | vethX | --------- | vethY | # ----------- peer ---------- -# | | | -# namespaceX | namespaceY # # AF_XDP is an address family optimized for high performance packet processing, # it is XDP’s user-space interface. @@ -39,16 +37,14 @@ # Prerequisites setup by script: # # Set up veth interfaces as per the topology shown ^^: -# * setup two veth interfaces and one namespace -# ** veth<xxxx> in root namespace -# ** veth<yyyy> in af_xdp<xxxx> namespace -# ** namespace af_xdp<xxxx> -# * create a spec file veth.spec that includes this run-time configuration +# * setup two veth interfaces +# ** veth<xxxx> +# ** veth<yyyy> # *** xxxx and yyyy are randomly generated 4 digit numbers used to avoid # conflict with any existing interface # * tests the veth and xsk layers of the topology # -# See the source xdpxceiver.c for information on each test +# See the source xskxceiver.c for information on each test # # Kernel configuration: # --------------------- @@ -72,100 +68,179 @@ # Run with verbose output: # sudo ./test_xsk.sh -v # -# Run and dump packet contents: -# sudo ./test_xsk.sh -D +# Set up veth interfaces and leave them up so xskxceiver can be launched in a debugger: +# sudo ./test_xsk.sh -d +# +# Run test suite for physical device in loopback mode +# sudo ./test_xsk.sh -i IFACE +# +# Run test suite in a specific mode only [skb,drv,zc] +# sudo ./test_xsk.sh -m MODE +# +# List available tests +# ./test_xsk.sh -l +# +# Run a specific test from the test suite +# sudo ./test_xsk.sh -t TEST_NAME +# +# Display the available command line options +# ./test_xsk.sh -h . xsk_prereqs.sh -while getopts "cvD" flag +ETH="" + +while getopts "vi:dm:lt:h" flag do case "${flag}" in v) verbose=1;; - D) dump_pkts=1;; + d) debug=1;; + i) ETH=${OPTARG};; + m) MODE=${OPTARG};; + l) list=1;; + t) TEST=${OPTARG};; + h) help=1;; esac done TEST_NAME="PREREQUISITES" URANDOM=/dev/urandom -[ ! -e "${URANDOM}" ] && { echo "${URANDOM} not found. Skipping tests."; test_exit 1 1; } +[ ! -e "${URANDOM}" ] && { echo "${URANDOM} not found. Skipping tests."; test_exit $ksft_fail; } VETH0_POSTFIX=$(cat ${URANDOM} | tr -dc '0-9' | fold -w 256 | head -n 1 | head --bytes 4) VETH0=ve${VETH0_POSTFIX} VETH1_POSTFIX=$(cat ${URANDOM} | tr -dc '0-9' | fold -w 256 | head -n 1 | head --bytes 4) VETH1=ve${VETH1_POSTFIX} -NS0=root -NS1=af_xdp${VETH1_POSTFIX} MTU=1500 +trap ctrl_c INT + +function ctrl_c() { + cleanup_exit ${VETH0} ${VETH1} + exit 1 +} + setup_vethPairs() { if [[ $verbose -eq 1 ]]; then - echo "setting up ${VETH0}: namespace: ${NS0}" + echo "setting up ${VETH0}" fi - ip netns add ${NS1} ip link add ${VETH0} numtxqueues 4 numrxqueues 4 type veth peer name ${VETH1} numtxqueues 4 numrxqueues 4 if [ -f /proc/net/if_inet6 ]; then echo 1 > /proc/sys/net/ipv6/conf/${VETH0}/disable_ipv6 + echo 1 > /proc/sys/net/ipv6/conf/${VETH1}/disable_ipv6 fi if [[ $verbose -eq 1 ]]; then - echo "setting up ${VETH1}: namespace: ${NS1}" + echo "setting up ${VETH1}" + fi + + if [[ $busy_poll -eq 1 ]]; then + echo 2 > /sys/class/net/${VETH0}/napi_defer_hard_irqs + echo 200000 > /sys/class/net/${VETH0}/gro_flush_timeout + echo 2 > /sys/class/net/${VETH1}/napi_defer_hard_irqs + echo 200000 > /sys/class/net/${VETH1}/gro_flush_timeout fi - ip link set ${VETH1} netns ${NS1} - ip netns exec ${NS1} ip link set ${VETH1} mtu ${MTU} + + ip link set ${VETH1} mtu ${MTU} ip link set ${VETH0} mtu ${MTU} - ip netns exec ${NS1} ip link set ${VETH1} up - ip netns exec ${NS1} ip link set dev lo up + ip link set ${VETH1} up ip link set ${VETH0} up } -validate_root_exec -validate_veth_support ${VETH0} -validate_ip_utility -setup_vethPairs +if [[ $list -eq 1 ]]; then + ./${XSKOBJ} -l + exit +fi -retval=$? -if [ $retval -ne 0 ]; then - test_status $retval "${TEST_NAME}" - cleanup_exit ${VETH0} ${VETH1} ${NS1} - exit $retval +if [[ $help -eq 1 ]]; then + ./${XSKOBJ} + exit fi -echo "${VETH0}:${VETH1},${NS1}" > ${SPECFILE} +if [ ! -z $ETH ]; then + VETH0=${ETH} + VETH1=${ETH} +else + validate_root_exec + validate_veth_support ${VETH0} + validate_ip_utility + setup_vethPairs + + retval=$? + if [ $retval -ne 0 ]; then + test_status $retval "${TEST_NAME}" + cleanup_exit ${VETH0} ${VETH1} + exit $retval + fi +fi -validate_veth_spec_file if [[ $verbose -eq 1 ]]; then - echo "Spec file created: ${SPECFILE}" - VERBOSE_ARG="-v" + ARGS+="-v " +fi + +if [ -n "$MODE" ]; then + ARGS+="-m ${MODE} " fi -if [[ $dump_pkts -eq 1 ]]; then - DUMP_PKTS_ARG="-D" +if [ -n "$TEST" ]; then + ARGS+="-t ${TEST} " fi +retval=$? test_status $retval "${TEST_NAME}" ## START TESTS statusList=() -TEST_NAME="XSK KSELFTESTS" +TEST_NAME="XSK_SELFTESTS_${VETH0}_SOFTIRQ" -execxdpxceiver +if [[ $debug -eq 1 ]]; then + echo "-i" ${VETH0} "-i" ${VETH1} + exit +fi -retval=$? -test_status $retval "${TEST_NAME}" -statusList+=($retval) +exec_xskxceiver + +if [ -z $ETH ]; then + cleanup_exit ${VETH0} ${VETH1} +else + cleanup_iface ${ETH} ${MTU} +fi + +if [[ $list -eq 1 ]]; then + exit +fi + +TEST_NAME="XSK_SELFTESTS_${VETH0}_BUSY_POLL" +busy_poll=1 + +if [ -z $ETH ]; then + setup_vethPairs +fi +exec_xskxceiver ## END TESTS -cleanup_exit ${VETH0} ${VETH1} ${NS1} +if [ -z $ETH ]; then + cleanup_exit ${VETH0} ${VETH1} +else + cleanup_iface ${ETH} ${MTU} +fi -for _status in "${statusList[@]}" +failures=0 +echo -e "\nSummary:" +for i in "${!statusList[@]}" do - if [ $_status -ne 0 ]; then - test_exit $ksft_fail 0 + if [ ${statusList[$i]} -ne 0 ]; then + test_status ${statusList[$i]} ${nameList[$i]} + failures=1 fi done -test_exit $ksft_pass 0 +if [ $failures -eq 0 ]; then + echo "All tests successful!" +else + exit 1 +fi |