diff options
Diffstat (limited to 'tools/testing/selftests/drivers')
38 files changed, 3507 insertions, 460 deletions
diff --git a/tools/testing/selftests/drivers/net/.gitignore b/tools/testing/selftests/drivers/net/.gitignore new file mode 100644 index 000000000000..ec746f374e85 --- /dev/null +++ b/tools/testing/selftests/drivers/net/.gitignore @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +xdp_helper diff --git a/tools/testing/selftests/drivers/net/Makefile b/tools/testing/selftests/drivers/net/Makefile index 0fec8f9801ad..0c95bd944d56 100644 --- a/tools/testing/selftests/drivers/net/Makefile +++ b/tools/testing/selftests/drivers/net/Makefile @@ -1,15 +1,23 @@ # SPDX-License-Identifier: GPL-2.0 +CFLAGS += $(KHDR_INCLUDES) TEST_INCLUDES := $(wildcard lib/py/*.py) \ + $(wildcard lib/sh/*.sh) \ ../../net/net_helper.sh \ ../../net/lib.sh \ +TEST_GEN_FILES := xdp_helper + TEST_PROGS := \ netcons_basic.sh \ + netcons_fragmented_msg.sh \ + netcons_overflow.sh \ + netcons_sysdata.sh \ ping.py \ queues.py \ stats.py \ shaper.py \ + hds.py \ # end of TEST_PROGS include ../../lib.mk diff --git a/tools/testing/selftests/drivers/net/README.rst b/tools/testing/selftests/drivers/net/README.rst index 3b6a29e6564b..eb838ae94844 100644 --- a/tools/testing/selftests/drivers/net/README.rst +++ b/tools/testing/selftests/drivers/net/README.rst @@ -107,7 +107,7 @@ On the target machine, running the tests will use netdevsim by default:: 1..1 # timeout set to 45 # selftests: drivers/net: ping.py - # KTAP version 1 + # TAP version 13 # 1..3 # ok 1 ping.test_v4 # ok 2 ping.test_v6 @@ -128,7 +128,7 @@ Create a config with remote info:: Run the test:: [/root] # ./ksft-net-drv/drivers/net/ping.py - KTAP version 1 + TAP version 13 1..3 ok 1 ping.test_v4 ok 2 ping.test_v6 # SKIP Test requires IPv6 connectivity diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile index 03a089165d3f..2b10854e4b1e 100644 --- a/tools/testing/selftests/drivers/net/bonding/Makefile +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -10,7 +10,7 @@ TEST_PROGS := \ mode-2-recovery-updelay.sh \ bond_options.sh \ bond-eth-type-change.sh \ - bond_macvlan.sh + bond_macvlan_ipvlan.sh TEST_FILES := \ lag_lib.sh \ diff --git a/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh b/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh deleted file mode 100755 index b609fb6231f4..000000000000 --- a/tools/testing/selftests/drivers/net/bonding/bond_macvlan.sh +++ /dev/null @@ -1,99 +0,0 @@ -#!/bin/bash -# SPDX-License-Identifier: GPL-2.0 -# -# Test macvlan over balance-alb - -lib_dir=$(dirname "$0") -source ${lib_dir}/bond_topo_2d1c.sh - -m1_ns="m1-$(mktemp -u XXXXXX)" -m2_ns="m1-$(mktemp -u XXXXXX)" -m1_ip4="192.0.2.11" -m1_ip6="2001:db8::11" -m2_ip4="192.0.2.12" -m2_ip6="2001:db8::12" - -cleanup() -{ - ip -n ${m1_ns} link del macv0 - ip netns del ${m1_ns} - ip -n ${m2_ns} link del macv0 - ip netns del ${m2_ns} - - client_destroy - server_destroy - gateway_destroy -} - -check_connection() -{ - local ns=${1} - local target=${2} - local message=${3:-"macvlan_over_bond"} - RET=0 - - - ip netns exec ${ns} ping ${target} -c 4 -i 0.1 &>/dev/null - check_err $? "ping failed" - log_test "$mode: $message" -} - -macvlan_over_bond() -{ - local param="$1" - RET=0 - - # setup new bond mode - bond_reset "${param}" - - ip -n ${s_ns} link add link bond0 name macv0 type macvlan mode bridge - ip -n ${s_ns} link set macv0 netns ${m1_ns} - ip -n ${m1_ns} link set dev macv0 up - ip -n ${m1_ns} addr add ${m1_ip4}/24 dev macv0 - ip -n ${m1_ns} addr add ${m1_ip6}/24 dev macv0 - - ip -n ${s_ns} link add link bond0 name macv0 type macvlan mode bridge - ip -n ${s_ns} link set macv0 netns ${m2_ns} - ip -n ${m2_ns} link set dev macv0 up - ip -n ${m2_ns} addr add ${m2_ip4}/24 dev macv0 - ip -n ${m2_ns} addr add ${m2_ip6}/24 dev macv0 - - sleep 2 - - check_connection "${c_ns}" "${s_ip4}" "IPv4: client->server" - check_connection "${c_ns}" "${s_ip6}" "IPv6: client->server" - check_connection "${c_ns}" "${m1_ip4}" "IPv4: client->macvlan_1" - check_connection "${c_ns}" "${m1_ip6}" "IPv6: client->macvlan_1" - check_connection "${c_ns}" "${m2_ip4}" "IPv4: client->macvlan_2" - check_connection "${c_ns}" "${m2_ip6}" "IPv6: client->macvlan_2" - check_connection "${m1_ns}" "${m2_ip4}" "IPv4: macvlan_1->macvlan_2" - check_connection "${m1_ns}" "${m2_ip6}" "IPv6: macvlan_1->macvlan_2" - - - sleep 5 - - check_connection "${s_ns}" "${c_ip4}" "IPv4: server->client" - check_connection "${s_ns}" "${c_ip6}" "IPv6: server->client" - check_connection "${m1_ns}" "${c_ip4}" "IPv4: macvlan_1->client" - check_connection "${m1_ns}" "${c_ip6}" "IPv6: macvlan_1->client" - check_connection "${m2_ns}" "${c_ip4}" "IPv4: macvlan_2->client" - check_connection "${m2_ns}" "${c_ip6}" "IPv6: macvlan_2->client" - check_connection "${m2_ns}" "${m1_ip4}" "IPv4: macvlan_2->macvlan_2" - check_connection "${m2_ns}" "${m1_ip6}" "IPv6: macvlan_2->macvlan_2" - - ip -n ${c_ns} neigh flush dev eth0 -} - -trap cleanup EXIT - -setup_prepare -ip netns add ${m1_ns} -ip netns add ${m2_ns} - -modes="active-backup balance-tlb balance-alb" - -for mode in $modes; do - macvlan_over_bond "mode $mode" -done - -exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/bonding/bond_macvlan_ipvlan.sh b/tools/testing/selftests/drivers/net/bonding/bond_macvlan_ipvlan.sh new file mode 100755 index 000000000000..c4711272fe45 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/bond_macvlan_ipvlan.sh @@ -0,0 +1,96 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test macvlan/ipvlan over bond + +lib_dir=$(dirname "$0") +source ${lib_dir}/bond_topo_2d1c.sh + +xvlan1_ns="xvlan1-$(mktemp -u XXXXXX)" +xvlan2_ns="xvlan2-$(mktemp -u XXXXXX)" +xvlan1_ip4="192.0.2.11" +xvlan1_ip6="2001:db8::11" +xvlan2_ip4="192.0.2.12" +xvlan2_ip6="2001:db8::12" + +cleanup() +{ + client_destroy + server_destroy + gateway_destroy + + ip netns del ${xvlan1_ns} + ip netns del ${xvlan2_ns} +} + +check_connection() +{ + local ns=${1} + local target=${2} + local message=${3} + RET=0 + + ip netns exec ${ns} ping ${target} -c 4 -i 0.1 &>/dev/null + check_err $? "ping failed" + log_test "${bond_mode}/${xvlan_type}_${xvlan_mode}: ${message}" +} + +xvlan_over_bond() +{ + local param="$1" + local xvlan_type="$2" + local xvlan_mode="$3" + RET=0 + + # setup new bond mode + bond_reset "${param}" + + ip -n ${s_ns} link add link bond0 name ${xvlan_type}0 type ${xvlan_type} mode ${xvlan_mode} + ip -n ${s_ns} link set ${xvlan_type}0 netns ${xvlan1_ns} + ip -n ${xvlan1_ns} link set dev ${xvlan_type}0 up + ip -n ${xvlan1_ns} addr add ${xvlan1_ip4}/24 dev ${xvlan_type}0 + ip -n ${xvlan1_ns} addr add ${xvlan1_ip6}/24 dev ${xvlan_type}0 + + ip -n ${s_ns} link add link bond0 name ${xvlan_type}0 type ${xvlan_type} mode ${xvlan_mode} + ip -n ${s_ns} link set ${xvlan_type}0 netns ${xvlan2_ns} + ip -n ${xvlan2_ns} link set dev ${xvlan_type}0 up + ip -n ${xvlan2_ns} addr add ${xvlan2_ip4}/24 dev ${xvlan_type}0 + ip -n ${xvlan2_ns} addr add ${xvlan2_ip6}/24 dev ${xvlan_type}0 + + sleep 2 + + check_connection "${c_ns}" "${s_ip4}" "IPv4: client->server" + check_connection "${c_ns}" "${s_ip6}" "IPv6: client->server" + check_connection "${c_ns}" "${xvlan1_ip4}" "IPv4: client->${xvlan_type}_1" + check_connection "${c_ns}" "${xvlan1_ip6}" "IPv6: client->${xvlan_type}_1" + check_connection "${c_ns}" "${xvlan2_ip4}" "IPv4: client->${xvlan_type}_2" + check_connection "${c_ns}" "${xvlan2_ip6}" "IPv6: client->${xvlan_type}_2" + check_connection "${xvlan1_ns}" "${xvlan2_ip4}" "IPv4: ${xvlan_type}_1->${xvlan_type}_2" + check_connection "${xvlan1_ns}" "${xvlan2_ip6}" "IPv6: ${xvlan_type}_1->${xvlan_type}_2" + + check_connection "${s_ns}" "${c_ip4}" "IPv4: server->client" + check_connection "${s_ns}" "${c_ip6}" "IPv6: server->client" + check_connection "${xvlan1_ns}" "${c_ip4}" "IPv4: ${xvlan_type}_1->client" + check_connection "${xvlan1_ns}" "${c_ip6}" "IPv6: ${xvlan_type}_1->client" + check_connection "${xvlan2_ns}" "${c_ip4}" "IPv4: ${xvlan_type}_2->client" + check_connection "${xvlan2_ns}" "${c_ip6}" "IPv6: ${xvlan_type}_2->client" + check_connection "${xvlan2_ns}" "${xvlan1_ip4}" "IPv4: ${xvlan_type}_2->${xvlan_type}_1" + check_connection "${xvlan2_ns}" "${xvlan1_ip6}" "IPv6: ${xvlan_type}_2->${xvlan_type}_1" + + ip -n ${c_ns} neigh flush dev eth0 +} + +trap cleanup EXIT + +setup_prepare +ip netns add ${xvlan1_ns} +ip netns add ${xvlan2_ns} + +bond_modes="active-backup balance-tlb balance-alb" + +for bond_mode in ${bond_modes}; do + xvlan_over_bond "mode ${bond_mode}" macvlan bridge + xvlan_over_bond "mode ${bond_mode}" ipvlan l2 +done + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/bonding/bond_options.sh b/tools/testing/selftests/drivers/net/bonding/bond_options.sh index edc56e2cc606..7bc148889ca7 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond_options.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond_options.sh @@ -11,8 +11,8 @@ ALL_TESTS=" lib_dir=$(dirname "$0") source ${lib_dir}/bond_topo_3d1c.sh -c_maddr="33:33:00:00:00:10" -g_maddr="33:33:00:00:02:54" +c_maddr="33:33:ff:00:00:10" +g_maddr="33:33:ff:00:02:54" skip_prio() { diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config index 899d7fb6ea8e..dad4e5fda4db 100644 --- a/tools/testing/selftests/drivers/net/bonding/config +++ b/tools/testing/selftests/drivers/net/bonding/config @@ -3,6 +3,7 @@ CONFIG_BRIDGE=y CONFIG_DUMMY=y CONFIG_IPV6=y CONFIG_MACVLAN=y +CONFIG_IPVLAN=y CONFIG_NET_ACT_GACT=y CONFIG_NET_CLS_FLOWER=y CONFIG_NET_SCH_INGRESS=y diff --git a/tools/testing/selftests/drivers/net/config b/tools/testing/selftests/drivers/net/config index a2d8af60876d..f27172ddee0a 100644 --- a/tools/testing/selftests/drivers/net/config +++ b/tools/testing/selftests/drivers/net/config @@ -4,3 +4,4 @@ CONFIG_CONFIGFS_FS=y CONFIG_NETCONSOLE=m CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_NETCONSOLE_EXTENDED_LOG=y +CONFIG_XDP_SOCKETS=y diff --git a/tools/testing/selftests/drivers/net/hds.py b/tools/testing/selftests/drivers/net/hds.py new file mode 100755 index 000000000000..7cc74faed743 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hds.py @@ -0,0 +1,258 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +import errno +import os +from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_raises, KsftSkipEx +from lib.py import CmdExitFailure, EthtoolFamily, NlError +from lib.py import NetDrvEnv +from lib.py import defer, ethtool, ip + + +def _get_hds_mode(cfg, netnl) -> str: + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'tcp-data-split' not in rings: + raise KsftSkipEx('tcp-data-split not supported by device') + return rings['tcp-data-split'] + + +def _xdp_onoff(cfg): + prog = cfg.rpath("../../net/lib/xdp_dummy.bpf.o") + ip("link set dev %s xdp obj %s sec xdp" % + (cfg.ifname, prog)) + ip("link set dev %s xdp off" % cfg.ifname) + + +def _ioctl_ringparam_modify(cfg, netnl) -> None: + """ + Helper for performing a hopefully unimportant IOCTL SET. + IOCTL does not support HDS, so it should not affect the HDS config. + """ + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + + if 'tx' not in rings: + raise KsftSkipEx('setting Tx ring size not supported') + + try: + ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] // 2}") + except CmdExitFailure as e: + ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] * 2}") + defer(ethtool, f"-G {cfg.ifname} tx {rings['tx']}") + + +def get_hds(cfg, netnl) -> None: + _get_hds_mode(cfg, netnl) + + +def get_hds_thresh(cfg, netnl) -> None: + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'hds-thresh' not in rings: + raise KsftSkipEx('hds-thresh not supported by device') + +def set_hds_enable(cfg, netnl) -> None: + try: + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'enabled'}) + except NlError as e: + if e.error == errno.EINVAL: + raise KsftSkipEx("disabling of HDS not supported by the device") + elif e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("ring-set not supported by the device") + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'tcp-data-split' not in rings: + raise KsftSkipEx('tcp-data-split not supported by device') + + ksft_eq('enabled', rings['tcp-data-split']) + +def set_hds_disable(cfg, netnl) -> None: + try: + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'tcp-data-split': 'disabled'}) + except NlError as e: + if e.error == errno.EINVAL: + raise KsftSkipEx("disabling of HDS not supported by the device") + elif e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("ring-set not supported by the device") + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'tcp-data-split' not in rings: + raise KsftSkipEx('tcp-data-split not supported by device') + + ksft_eq('disabled', rings['tcp-data-split']) + +def set_hds_thresh_zero(cfg, netnl) -> None: + try: + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': 0}) + except NlError as e: + if e.error == errno.EINVAL: + raise KsftSkipEx("hds-thresh-set not supported by the device") + elif e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("ring-set not supported by the device") + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'hds-thresh' not in rings: + raise KsftSkipEx('hds-thresh not supported by device') + + ksft_eq(0, rings['hds-thresh']) + +def set_hds_thresh_max(cfg, netnl) -> None: + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'hds-thresh' not in rings: + raise KsftSkipEx('hds-thresh not supported by device') + try: + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': rings['hds-thresh-max']}) + except NlError as e: + if e.error == errno.EINVAL: + raise KsftSkipEx("hds-thresh-set not supported by the device") + elif e.error == errno.EOPNOTSUPP: + raise KsftSkipEx("ring-set not supported by the device") + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + ksft_eq(rings['hds-thresh'], rings['hds-thresh-max']) + +def set_hds_thresh_gt(cfg, netnl) -> None: + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + if 'hds-thresh' not in rings: + raise KsftSkipEx('hds-thresh not supported by device') + if 'hds-thresh-max' not in rings: + raise KsftSkipEx('hds-thresh-max not defined by device') + hds_gt = rings['hds-thresh-max'] + 1 + with ksft_raises(NlError) as e: + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': hds_gt}) + ksft_eq(e.exception.nl_msg.error, -errno.EINVAL) + + +def set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "auto" / UNKNOWN mode, XDP installation should work. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _xdp_onoff(cfg) + + +def enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + +def set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "auto" / UNKNOWN mode, XDP installation should work. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _xdp_onoff(cfg) + + +def enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) # Trigger skip if not supported + + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + +def ioctl(cfg, netnl) -> None: + mode1 = _get_hds_mode(cfg, netnl) + _ioctl_ringparam_modify(cfg, netnl) + mode2 = _get_hds_mode(cfg, netnl) + + ksft_eq(mode1, mode2) + + +def ioctl_set_xdp(cfg, netnl) -> None: + """ + Like set_xdp(), but we perturb the settings via the legacy ioctl. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _ioctl_ringparam_modify(cfg, netnl) + + _xdp_onoff(cfg) + + +def ioctl_enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) # Trigger skip if not supported + + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + +def main() -> None: + with NetDrvEnv(__file__, queue_count=3) as cfg: + ksft_run([get_hds, + get_hds_thresh, + set_hds_disable, + set_hds_enable, + set_hds_thresh_zero, + set_hds_thresh_max, + set_hds_thresh_gt, + set_xdp, + enabled_set_xdp, + ioctl, + ioctl_set_xdp, + ioctl_enabled_set_xdp], + args=(cfg, EthtoolFamily())) + ksft_exit() + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/Makefile b/tools/testing/selftests/drivers/net/hw/Makefile index 21ba64ce1e34..cde5814ff9a7 100644 --- a/tools/testing/selftests/drivers/net/hw/Makefile +++ b/tools/testing/selftests/drivers/net/hw/Makefile @@ -10,11 +10,14 @@ TEST_PROGS = \ ethtool_rmon.sh \ hw_stats_l3.sh \ hw_stats_l3_gre.sh \ + irq.py \ loopback.sh \ nic_link_layer.py \ nic_performance.py \ pp_alloc_fail.py \ rss_ctx.py \ + rss_input_xfrm.py \ + tso.py \ # TEST_FILES := \ @@ -32,9 +35,12 @@ TEST_INCLUDES := \ # YNL files, must be before "include ..lib.mk" YNL_GEN_FILES := ncdevmem TEST_GEN_FILES += $(YNL_GEN_FILES) +TEST_GEN_FILES += $(patsubst %.c,%.o,$(wildcard *.bpf.c)) include ../../../lib.mk # YNL build YNL_GENS := ethtool netdev include ../../../net/ynl.mk + +include ../../../net/bpf.mk diff --git a/tools/testing/selftests/drivers/net/hw/csum.py b/tools/testing/selftests/drivers/net/hw/csum.py index cb40497faee4..701aca1361e0 100755 --- a/tools/testing/selftests/drivers/net/hw/csum.py +++ b/tools/testing/selftests/drivers/net/hw/csum.py @@ -9,15 +9,12 @@ from lib.py import ksft_run, ksft_exit, KsftSkipEx from lib.py import EthtoolFamily, NetDrvEpEnv from lib.py import bkg, cmd, wait_port_listen -def test_receive(cfg, ipv4=False, extra_args=None): +def test_receive(cfg, ipver="6", extra_args=None): """Test local nic checksum receive. Remote host sends crafted packets.""" if not cfg.have_rx_csum: raise KsftSkipEx(f"Test requires rx checksum offload on {cfg.ifname}") - if ipv4: - ip_args = f"-4 -S {cfg.remote_v4} -D {cfg.v4}" - else: - ip_args = f"-6 -S {cfg.remote_v6} -D {cfg.v6}" + ip_args = f"-{ipver} -S {cfg.remote_addr_v[ipver]} -D {cfg.addr_v[ipver]}" rx_cmd = f"{cfg.bin_local} -i {cfg.ifname} -n 100 {ip_args} -r 1 -R {extra_args}" tx_cmd = f"{cfg.bin_remote} -i {cfg.ifname} -n 100 {ip_args} -r 1 -T {extra_args}" @@ -27,17 +24,14 @@ def test_receive(cfg, ipv4=False, extra_args=None): cmd(tx_cmd, host=cfg.remote) -def test_transmit(cfg, ipv4=False, extra_args=None): +def test_transmit(cfg, ipver="6", extra_args=None): """Test local nic checksum transmit. Remote host verifies packets.""" if (not cfg.have_tx_csum_generic and - not (cfg.have_tx_csum_ipv4 and ipv4) and - not (cfg.have_tx_csum_ipv6 and not ipv4)): + not (cfg.have_tx_csum_ipv4 and ipver == "4") and + not (cfg.have_tx_csum_ipv6 and ipver == "6")): raise KsftSkipEx(f"Test requires tx checksum offload on {cfg.ifname}") - if ipv4: - ip_args = f"-4 -S {cfg.v4} -D {cfg.remote_v4}" - else: - ip_args = f"-6 -S {cfg.v6} -D {cfg.remote_v6}" + ip_args = f"-{ipver} -S {cfg.addr_v[ipver]} -D {cfg.remote_addr_v[ipver]}" # Cannot randomize input when calculating zero checksum if extra_args != "-U -Z": @@ -51,26 +45,20 @@ def test_transmit(cfg, ipv4=False, extra_args=None): cmd(tx_cmd) -def test_builder(name, cfg, ipv4=False, tx=False, extra_args=""): +def test_builder(name, cfg, ipver="6", tx=False, extra_args=""): """Construct specific tests from the common template. Most tests follow the same basic pattern, differing only in Direction of the test and optional flags passed to csum.""" def f(cfg): - if ipv4: - cfg.require_v4() - else: - cfg.require_v6() + cfg.require_ipver(ipver) if tx: - test_transmit(cfg, ipv4, extra_args) + test_transmit(cfg, ipver, extra_args) else: - test_receive(cfg, ipv4, extra_args) + test_receive(cfg, ipver, extra_args) - if ipv4: - f.__name__ = "ipv4_" + name - else: - f.__name__ = "ipv6_" + name + f.__name__ = f"ipv{ipver}_" + name return f @@ -100,19 +88,19 @@ def main() -> None: with NetDrvEpEnv(__file__, nsim_test=False) as cfg: check_nic_features(cfg) - cfg.bin_local = path.abspath(path.dirname(__file__) + "/../../../net/lib/csum") + cfg.bin_local = cfg.rpath("../../../net/lib/csum") cfg.bin_remote = cfg.remote.deploy(cfg.bin_local) cases = [] - for ipv4 in [True, False]: - cases.append(test_builder("rx_tcp", cfg, ipv4, False, "-t")) - cases.append(test_builder("rx_tcp_invalid", cfg, ipv4, False, "-t -E")) + for ipver in ["4", "6"]: + cases.append(test_builder("rx_tcp", cfg, ipver, False, "-t")) + cases.append(test_builder("rx_tcp_invalid", cfg, ipver, False, "-t -E")) - cases.append(test_builder("rx_udp", cfg, ipv4, False, "")) - cases.append(test_builder("rx_udp_invalid", cfg, ipv4, False, "-E")) + cases.append(test_builder("rx_udp", cfg, ipver, False, "")) + cases.append(test_builder("rx_udp_invalid", cfg, ipver, False, "-E")) - cases.append(test_builder("tx_udp_csum_offload", cfg, ipv4, True, "-U")) - cases.append(test_builder("tx_udp_zero_checksum", cfg, ipv4, True, "-U -Z")) + cases.append(test_builder("tx_udp_csum_offload", cfg, ipver, True, "-U")) + cases.append(test_builder("tx_udp_zero_checksum", cfg, ipver, True, "-U -Z")) ksft_run(cases=cases, args=(cfg, )) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/hw/devmem.py b/tools/testing/selftests/drivers/net/hw/devmem.py index 1223f0f5c10c..3947e9157115 100755 --- a/tools/testing/selftests/drivers/net/hw/devmem.py +++ b/tools/testing/selftests/drivers/net/hw/devmem.py @@ -21,15 +21,15 @@ def require_devmem(cfg): @ksft_disruptive def check_rx(cfg) -> None: - cfg.require_v6() + cfg.require_ipver("6") require_devmem(cfg) port = rand_port() - listen_cmd = f"./ncdevmem -l -f {cfg.ifname} -s {cfg.v6} -p {port}" + listen_cmd = f"./ncdevmem -l -f {cfg.ifname} -s {cfg.addr_v['6']} -p {port}" with bkg(listen_cmd) as socat: wait_port_listen(port) - cmd(f"echo -e \"hello\\nworld\"| socat -u - TCP6:[{cfg.v6}]:{port}", host=cfg.remote, shell=True) + cmd(f"echo -e \"hello\\nworld\"| socat -u - TCP6:[{cfg.addr_v['6']}]:{port}", host=cfg.remote, shell=True) ksft_eq(socat.stdout.strip(), "hello\nworld") diff --git a/tools/testing/selftests/drivers/net/hw/irq.py b/tools/testing/selftests/drivers/net/hw/irq.py new file mode 100755 index 000000000000..42ab98370245 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/irq.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +from lib.py import ksft_run, ksft_exit +from lib.py import ksft_ge, ksft_eq +from lib.py import KsftSkipEx +from lib.py import ksft_disruptive +from lib.py import EthtoolFamily, NetdevFamily +from lib.py import NetDrvEnv +from lib.py import cmd, ip, defer + + +def read_affinity(irq) -> str: + with open(f'/proc/irq/{irq}/smp_affinity', 'r') as fp: + return fp.read().lstrip("0,").strip() + + +def write_affinity(irq, what) -> str: + if what != read_affinity(irq): + with open(f'/proc/irq/{irq}/smp_affinity', 'w') as fp: + fp.write(what) + + +def check_irqs_reported(cfg) -> None: + """ Check that device reports IRQs for NAPI instances """ + napis = cfg.netnl.napi_get({"ifindex": cfg.ifindex}, dump=True) + irqs = sum(['irq' in x for x in napis]) + + ksft_ge(irqs, 1) + ksft_eq(irqs, len(napis)) + + +def _check_reconfig(cfg, reconfig_cb) -> None: + napis = cfg.netnl.napi_get({"ifindex": cfg.ifindex}, dump=True) + for n in reversed(napis): + if 'irq' in n: + break + else: + raise KsftSkipEx(f"Device has no NAPI with IRQ attribute (#napis: {len(napis)}") + + old = read_affinity(n['irq']) + # pick an affinity that's not the current one + new = "3" if old != "3" else "5" + write_affinity(n['irq'], new) + defer(write_affinity, n['irq'], old) + + reconfig_cb(cfg) + + ksft_eq(read_affinity(n['irq']), new, comment="IRQ affinity changed after reconfig") + + +def check_reconfig_queues(cfg) -> None: + def reconfig(cfg) -> None: + channels = cfg.ethnl.channels_get({'header': {'dev-index': cfg.ifindex}}) + if channels['combined-count'] == 0: + rx_type = 'rx' + else: + rx_type = 'combined' + cur_queue_cnt = channels[f'{rx_type}-count'] + max_queue_cnt = channels[f'{rx_type}-max'] + + cmd(f"ethtool -L {cfg.ifname} {rx_type} 1") + cmd(f"ethtool -L {cfg.ifname} {rx_type} {max_queue_cnt}") + cmd(f"ethtool -L {cfg.ifname} {rx_type} {cur_queue_cnt}") + + _check_reconfig(cfg, reconfig) + + +def check_reconfig_xdp(cfg) -> None: + def reconfig(cfg) -> None: + ip(f"link set dev %s xdp obj %s sec xdp" % + (cfg.ifname, cfg.rpath("xdp_dummy.bpf.o"))) + ip(f"link set dev %s xdp off" % cfg.ifname) + + _check_reconfig(cfg, reconfig) + + +@ksft_disruptive +def check_down(cfg) -> None: + def reconfig(cfg) -> None: + ip("link set dev %s down" % cfg.ifname) + ip("link set dev %s up" % cfg.ifname) + + _check_reconfig(cfg, reconfig) + + +def main() -> None: + with NetDrvEnv(__file__, nsim_test=False) as cfg: + cfg.ethnl = EthtoolFamily() + cfg.netnl = NetdevFamily() + + ksft_run([check_irqs_reported, check_reconfig_queues, + check_reconfig_xdp, check_down], + args=(cfg, )) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/ncdevmem.c b/tools/testing/selftests/drivers/net/hw/ncdevmem.c index 8e502a1f8f9b..2bf14ac2b8c6 100644 --- a/tools/testing/selftests/drivers/net/hw/ncdevmem.c +++ b/tools/testing/selftests/drivers/net/hw/ncdevmem.c @@ -50,7 +50,6 @@ #include <linux/memfd.h> #include <linux/dma-buf.h> #include <linux/udmabuf.h> -#include <libmnl/libmnl.h> #include <linux/types.h> #include <linux/netlink.h> #include <linux/genetlink.h> @@ -619,9 +618,6 @@ int do_server(struct memory_buffer *mem) fprintf(stderr, "page_aligned_frags=%lu, non_page_aligned_frags=%lu\n", page_aligned_frags, non_page_aligned_frags); - fprintf(stderr, "page_aligned_frags=%lu, non_page_aligned_frags=%lu\n", - page_aligned_frags, non_page_aligned_frags); - cleanup: free(tmp_mem); diff --git a/tools/testing/selftests/drivers/net/hw/pp_alloc_fail.py b/tools/testing/selftests/drivers/net/hw/pp_alloc_fail.py index 05b6fbb3fcdd..ad192fef3117 100755 --- a/tools/testing/selftests/drivers/net/hw/pp_alloc_fail.py +++ b/tools/testing/selftests/drivers/net/hw/pp_alloc_fail.py @@ -21,9 +21,9 @@ def _enable_pp_allocation_fail(): if not os.path.exists("/sys/kernel/debug/fail_function"): raise KsftSkipEx("Kernel built without function error injection (or DebugFS)") - if not os.path.exists("/sys/kernel/debug/fail_function/page_pool_alloc_pages"): + if not os.path.exists("/sys/kernel/debug/fail_function/page_pool_alloc_netmems"): with open("/sys/kernel/debug/fail_function/inject", "w") as fp: - fp.write("page_pool_alloc_pages\n") + fp.write("page_pool_alloc_netmems\n") _write_fail_config({ "verbose": 0, @@ -37,7 +37,7 @@ def _disable_pp_allocation_fail(): if not os.path.exists("/sys/kernel/debug/fail_function"): return - if os.path.exists("/sys/kernel/debug/fail_function/page_pool_alloc_pages"): + if os.path.exists("/sys/kernel/debug/fail_function/page_pool_alloc_netmems"): with open("/sys/kernel/debug/fail_function/inject", "w") as fp: fp.write("\n") diff --git a/tools/testing/selftests/drivers/net/hw/rss_ctx.py b/tools/testing/selftests/drivers/net/hw/rss_ctx.py index ca8a7edff3dd..ca60ae325c22 100755 --- a/tools/testing/selftests/drivers/net/hw/rss_ctx.py +++ b/tools/testing/selftests/drivers/net/hw/rss_ctx.py @@ -4,7 +4,8 @@ import datetime import random import re -from lib.py import ksft_run, ksft_pr, ksft_exit, ksft_eq, ksft_ne, ksft_ge, ksft_lt, ksft_true +from lib.py import ksft_run, ksft_pr, ksft_exit +from lib.py import ksft_eq, ksft_ne, ksft_ge, ksft_in, ksft_lt, ksft_true, ksft_raises from lib.py import NetDrvEpEnv from lib.py import EthtoolFamily, NetdevFamily from lib.py import KsftSkipEx, KsftFailEx @@ -58,6 +59,14 @@ def require_ntuple(cfg): raise KsftSkipEx("Ntuple filters not enabled on the device: " + str(features["ntuple-filters"])) +def require_context_cnt(cfg, need_cnt): + # There's no good API to get the context count, so the tests + # which try to add a lot opportunisitically set the count they + # discovered. Careful with test ordering! + if need_cnt and cfg.context_cnt and cfg.context_cnt < need_cnt: + raise KsftSkipEx(f"Test requires at least {need_cnt} contexts, but device only has {cfg.context_cnt}") + + # Get Rx packet counts for all queues, as a simple list of integers # if @prev is specified the prev counts will be subtracted def _get_rx_cnts(cfg, prev=None): @@ -252,6 +261,7 @@ def test_rss_queue_reconfigure(cfg, main_ctx=True): try: # this targets queue 4, which doesn't exist ntuple2 = ethtool_create(cfg, "-N", flow) + defer(ethtool, f"-N {cfg.ifname} delete {ntuple2}") except CmdExitFailure: pass else: @@ -259,7 +269,13 @@ def test_rss_queue_reconfigure(cfg, main_ctx=True): # change the table to target queues 0 and 2 ethtool(f"-X {cfg.ifname} {ctx_ref} weight 1 0 1 0") # ntuple rule therefore targets queues 1 and 3 - ntuple2 = ethtool_create(cfg, "-N", flow) + try: + ntuple2 = ethtool_create(cfg, "-N", flow) + except CmdExitFailure: + ksft_pr("Driver does not support rss + queue offset") + return + + defer(ethtool, f"-N {cfg.ifname} delete {ntuple2}") # should replace existing filter ksft_eq(ntuple, ntuple2) _send_traffic_check(cfg, port, ctx_ref, { 'target': (1, 3), @@ -376,7 +392,7 @@ def test_rss_context_dump(cfg): # Sanity-check the results for data in ctxs: - ksft_ne(set(data['indir']), {0}, "indir table is all zero") + ksft_ne(set(data.get('indir', [1])), {0}, "indir table is all zero") ksft_ne(set(data.get('hkey', [1])), {0}, "key is all zero") # More specific checks @@ -449,6 +465,8 @@ def test_rss_context(cfg, ctx_cnt=1, create_with_cfg=None): raise ksft_pr(f"Failed to create context {i + 1}, trying to test what we got") ctx_cnt = i + if cfg.context_cnt is None: + cfg.context_cnt = ctx_cnt break _rss_key_check(cfg, context=ctx_id) @@ -504,8 +522,7 @@ def test_rss_context_out_of_order(cfg, ctx_cnt=4): """ require_ntuple(cfg) - - requested_ctx_cnt = ctx_cnt + require_context_cnt(cfg, 4) # Try to allocate more queues when necessary qcnt = len(_get_rx_cnts(cfg)) @@ -570,9 +587,6 @@ def test_rss_context_out_of_order(cfg, ctx_cnt=4): remove_ctx(-1) check_traffic() - if requested_ctx_cnt != ctx_cnt: - raise KsftSkipEx(f"Tested only {ctx_cnt} contexts, wanted {requested_ctx_cnt}") - def test_rss_context_overlap(cfg, other_ctx=0): """ @@ -581,6 +595,8 @@ def test_rss_context_overlap(cfg, other_ctx=0): """ require_ntuple(cfg) + if other_ctx: + require_context_cnt(cfg, 2) queue_cnt = len(_get_rx_cnts(cfg)) if queue_cnt < 4: @@ -642,6 +658,29 @@ def test_rss_context_overlap2(cfg): test_rss_context_overlap(cfg, True) +def test_flow_add_context_missing(cfg): + """ + Test that we are not allowed to add a rule pointing to an RSS context + which was never created. + """ + + require_ntuple(cfg) + + # Find a context which doesn't exist + for ctx_id in range(1, 100): + try: + get_rss(cfg, context=ctx_id) + except CmdExitFailure: + break + + with ksft_raises(CmdExitFailure) as cm: + flow = f"flow-type tcp{cfg.addr_ipver} dst-ip {cfg.addr} dst-port 1234 context {ctx_id}" + ntuple_id = ethtool_create(cfg, "-N", flow) + ethtool(f"-N {cfg.ifname} delete {ntuple_id}") + if cm.exception: + ksft_in('Invalid argument', cm.exception.cmd.stderr) + + def test_delete_rss_context_busy(cfg): """ Test that deletion returns -EBUSY when an rss context is being used @@ -710,6 +749,7 @@ def test_rss_ntuple_addition(cfg): def main() -> None: with NetDrvEpEnv(__file__, nsim_test=False) as cfg: + cfg.context_cnt = None cfg.ethnl = EthtoolFamily() cfg.netdevnl = NetdevFamily() @@ -719,6 +759,7 @@ def main() -> None: test_rss_context_dump, test_rss_context_queue_reconfigure, test_rss_context_overlap, test_rss_context_overlap2, test_rss_context_out_of_order, test_rss_context4_create_with_cfg, + test_flow_add_context_missing, test_delete_rss_context_busy, test_rss_ntuple_addition], args=(cfg, )) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/hw/rss_input_xfrm.py b/tools/testing/selftests/drivers/net/hw/rss_input_xfrm.py new file mode 100755 index 000000000000..53bb08cc29ec --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/rss_input_xfrm.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +import multiprocessing +import socket +from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_ge, cmd, fd_read_timeout +from lib.py import NetDrvEpEnv +from lib.py import EthtoolFamily, NetdevFamily +from lib.py import KsftSkipEx, KsftFailEx +from lib.py import rand_port + + +def traffic(cfg, local_port, remote_port, ipver): + af_inet = socket.AF_INET if ipver == "4" else socket.AF_INET6 + sock = socket.socket(af_inet, socket.SOCK_DGRAM) + sock.bind(("", local_port)) + sock.connect((cfg.remote_addr_v[ipver], remote_port)) + tgt = f"{ipver}:[{cfg.addr_v[ipver]}]:{local_port},sourceport={remote_port}" + cmd("echo a | socat - UDP" + tgt, host=cfg.remote) + fd_read_timeout(sock.fileno(), 5) + return sock.getsockopt(socket.SOL_SOCKET, socket.SO_INCOMING_CPU) + + +def test_rss_input_xfrm(cfg, ipver): + """ + Test symmetric input_xfrm. + If symmetric RSS hash is configured, send traffic twice, swapping the + src/dst UDP ports, and verify that the same queue is receiving the traffic + in both cases (IPs are constant). + """ + + if multiprocessing.cpu_count() < 2: + raise KsftSkipEx("Need at least two CPUs to test symmetric RSS hash") + + input_xfrm = cfg.ethnl.rss_get( + {'header': {'dev-name': cfg.ifname}}).get('input_xfrm') + + # Check for symmetric xor/or-xor + if not input_xfrm or (input_xfrm != 1 and input_xfrm != 2): + raise KsftSkipEx("Symmetric RSS hash not requested") + + cpus = set() + successful = 0 + for _ in range(100): + try: + port1 = rand_port(socket.SOCK_DGRAM) + port2 = rand_port(socket.SOCK_DGRAM) + cpu1 = traffic(cfg, port1, port2, ipver) + cpu2 = traffic(cfg, port2, port1, ipver) + cpus.update([cpu1, cpu2]) + ksft_eq( + cpu1, cpu2, comment=f"Received traffic on different cpus with ports ({port1 = }, {port2 = }) while symmetric hash is configured") + + successful += 1 + if successful == 10: + break + except: + continue + else: + raise KsftFailEx("Failed to run traffic") + + ksft_ge(len(cpus), 2, + comment=f"Received traffic on less than two cpus {cpus = }") + + +def test_rss_input_xfrm_ipv4(cfg): + cfg.require_ipver("4") + test_rss_input_xfrm(cfg, "4") + + +def test_rss_input_xfrm_ipv6(cfg): + cfg.require_ipver("6") + test_rss_input_xfrm(cfg, "6") + + +def main() -> None: + with NetDrvEpEnv(__file__, nsim_test=False) as cfg: + cfg.ethnl = EthtoolFamily() + cfg.netdevnl = NetdevFamily() + + ksft_run([test_rss_input_xfrm_ipv4, test_rss_input_xfrm_ipv6], + args=(cfg, )) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/tso.py b/tools/testing/selftests/drivers/net/hw/tso.py new file mode 100755 index 000000000000..e1ecb92f79d9 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/tso.py @@ -0,0 +1,241 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 + +"""Run the tools/testing/selftests/net/csum testsuite.""" + +import fcntl +import socket +import struct +import termios +import time + +from lib.py import ksft_pr, ksft_run, ksft_exit, KsftSkipEx, KsftXfailEx +from lib.py import ksft_eq, ksft_ge, ksft_lt +from lib.py import EthtoolFamily, NetdevFamily, NetDrvEpEnv +from lib.py import bkg, cmd, defer, ethtool, ip, rand_port, wait_port_listen + + +def sock_wait_drain(sock, max_wait=1000): + """Wait for all pending write data on the socket to get ACKed.""" + for _ in range(max_wait): + one = b'\0' * 4 + outq = fcntl.ioctl(sock.fileno(), termios.TIOCOUTQ, one) + outq = struct.unpack("I", outq)[0] + if outq == 0: + break + time.sleep(0.01) + ksft_eq(outq, 0) + + +def tcp_sock_get_retrans(sock): + """Get the number of retransmissions for the TCP socket.""" + info = sock.getsockopt(socket.SOL_TCP, socket.TCP_INFO, 512) + return struct.unpack("I", info[100:104])[0] + + +def run_one_stream(cfg, ipver, remote_v4, remote_v6, should_lso): + cfg.require_cmd("socat", remote=True) + + port = rand_port() + listen_cmd = f"socat -{ipver} -t 2 -u TCP-LISTEN:{port},reuseport /dev/null,ignoreeof" + + with bkg(listen_cmd, host=cfg.remote) as nc: + wait_port_listen(port, host=cfg.remote) + + if ipver == "4": + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + sock.connect((remote_v4, port)) + else: + sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM) + sock.connect((remote_v6, port)) + + # Small send to make sure the connection is working. + sock.send("ping".encode()) + sock_wait_drain(sock) + + # Send 4MB of data, record the LSO packet count. + qstat_old = cfg.netnl.qstats_get({"ifindex": cfg.ifindex}, dump=True)[0] + buf = b"0" * 1024 * 1024 * 4 + sock.send(buf) + sock_wait_drain(sock) + qstat_new = cfg.netnl.qstats_get({"ifindex": cfg.ifindex}, dump=True)[0] + + # No math behind the 10 here, but try to catch cases where + # TCP falls back to non-LSO. + ksft_lt(tcp_sock_get_retrans(sock), 10) + sock.close() + + # Check that at least 90% of the data was sent as LSO packets. + # System noise may cause false negatives. Also header overheads + # will add up to 5% of extra packes... The check is best effort. + total_lso_wire = len(buf) * 0.90 // cfg.dev["mtu"] + total_lso_super = len(buf) * 0.90 // cfg.dev["tso_max_size"] + if should_lso: + if cfg.have_stat_super_count: + ksft_ge(qstat_new['tx-hw-gso-packets'] - + qstat_old['tx-hw-gso-packets'], + total_lso_super, + comment="Number of LSO super-packets with LSO enabled") + if cfg.have_stat_wire_count: + ksft_ge(qstat_new['tx-hw-gso-wire-packets'] - + qstat_old['tx-hw-gso-wire-packets'], + total_lso_wire, + comment="Number of LSO wire-packets with LSO enabled") + else: + if cfg.have_stat_super_count: + ksft_lt(qstat_new['tx-hw-gso-packets'] - + qstat_old['tx-hw-gso-packets'], + 15, comment="Number of LSO super-packets with LSO disabled") + if cfg.have_stat_wire_count: + ksft_lt(qstat_new['tx-hw-gso-wire-packets'] - + qstat_old['tx-hw-gso-wire-packets'], + 500, comment="Number of LSO wire-packets with LSO disabled") + + +def build_tunnel(cfg, outer_ipver, tun_info): + local_v4 = NetDrvEpEnv.nsim_v4_pfx + "1" + local_v6 = NetDrvEpEnv.nsim_v6_pfx + "1" + remote_v4 = NetDrvEpEnv.nsim_v4_pfx + "2" + remote_v6 = NetDrvEpEnv.nsim_v6_pfx + "2" + + local_addr = cfg.addr_v[outer_ipver] + remote_addr = cfg.remote_addr_v[outer_ipver] + + tun_type = tun_info[0] + tun_arg = tun_info[2] + ip(f"link add {tun_type}-ksft type {tun_type} {tun_arg} local {local_addr} remote {remote_addr} dev {cfg.ifname}") + defer(ip, f"link del {tun_type}-ksft") + ip(f"link set dev {tun_type}-ksft up") + ip(f"addr add {local_v4}/24 dev {tun_type}-ksft") + ip(f"addr add {local_v6}/64 dev {tun_type}-ksft") + + ip(f"link add {tun_type}-ksft type {tun_type} {tun_arg} local {remote_addr} remote {local_addr} dev {cfg.remote_ifname}", + host=cfg.remote) + defer(ip, f"link del {tun_type}-ksft", host=cfg.remote) + ip(f"link set dev {tun_type}-ksft up", host=cfg.remote) + ip(f"addr add {remote_v4}/24 dev {tun_type}-ksft", host=cfg.remote) + ip(f"addr add {remote_v6}/64 dev {tun_type}-ksft", host=cfg.remote) + + return remote_v4, remote_v6 + + +def test_builder(name, cfg, outer_ipver, feature, tun=None, inner_ipver=None): + """Construct specific tests from the common template.""" + def f(cfg): + cfg.require_ipver(outer_ipver) + + if not cfg.have_stat_super_count and \ + not cfg.have_stat_wire_count: + raise KsftSkipEx(f"Device does not support LSO queue stats") + + ipver = outer_ipver + if tun: + remote_v4, remote_v6 = build_tunnel(cfg, ipver, tun) + ipver = inner_ipver + else: + remote_v4 = cfg.remote_addr_v["4"] + remote_v6 = cfg.remote_addr_v["6"] + + tun_partial = tun and tun[1] + # Tunnel which can silently fall back to gso-partial + has_gso_partial = tun and 'tx-gso-partial' in cfg.features + + # For TSO4 via partial we need mangleid + if ipver == "4" and feature in cfg.partial_features: + ksft_pr("Testing with mangleid enabled") + if 'tx-tcp-mangleid-segmentation' not in cfg.features: + ethtool(f"-K {cfg.ifname} tx-tcp-mangleid-segmentation on") + defer(ethtool, f"-K {cfg.ifname} tx-tcp-mangleid-segmentation off") + + # First test without the feature enabled. + ethtool(f"-K {cfg.ifname} {feature} off") + if has_gso_partial: + ethtool(f"-K {cfg.ifname} tx-gso-partial off") + run_one_stream(cfg, ipver, remote_v4, remote_v6, should_lso=False) + + # Now test with the feature enabled. + # For compatible tunnels only - just GSO partial, not specific feature. + if has_gso_partial: + ethtool(f"-K {cfg.ifname} tx-gso-partial on") + run_one_stream(cfg, ipver, remote_v4, remote_v6, + should_lso=tun_partial) + + # Full feature enabled. + if feature in cfg.features: + ethtool(f"-K {cfg.ifname} {feature} on") + run_one_stream(cfg, ipver, remote_v4, remote_v6, should_lso=True) + else: + raise KsftXfailEx(f"Device does not support {feature}") + + f.__name__ = name + ((outer_ipver + "_") if tun else "") + "ipv" + inner_ipver + return f + + +def query_nic_features(cfg) -> None: + """Query and cache the NIC features.""" + cfg.have_stat_super_count = False + cfg.have_stat_wire_count = False + + cfg.features = set() + features = cfg.ethnl.features_get({"header": {"dev-index": cfg.ifindex}}) + for f in features["active"]["bits"]["bit"]: + cfg.features.add(f["name"]) + + # Check which features are supported via GSO partial + cfg.partial_features = set() + if 'tx-gso-partial' in cfg.features: + ethtool(f"-K {cfg.ifname} tx-gso-partial off") + + no_partial = set() + features = cfg.ethnl.features_get({"header": {"dev-index": cfg.ifindex}}) + for f in features["active"]["bits"]["bit"]: + no_partial.add(f["name"]) + cfg.partial_features = cfg.features - no_partial + ethtool(f"-K {cfg.ifname} tx-gso-partial on") + + stats = cfg.netnl.qstats_get({"ifindex": cfg.ifindex}, dump=True) + if stats: + if 'tx-hw-gso-packets' in stats[0]: + ksft_pr("Detected qstat for LSO super-packets") + cfg.have_stat_super_count = True + if 'tx-hw-gso-wire-packets' in stats[0]: + ksft_pr("Detected qstat for LSO wire-packets") + cfg.have_stat_wire_count = True + + +def main() -> None: + with NetDrvEpEnv(__file__, nsim_test=False) as cfg: + cfg.ethnl = EthtoolFamily() + cfg.netnl = NetdevFamily() + + query_nic_features(cfg) + + test_info = ( + # name, v4/v6 ethtool_feature tun:(type, partial, args) + ("", "4", "tx-tcp-segmentation", None), + ("", "6", "tx-tcp6-segmentation", None), + ("vxlan", "", "tx-udp_tnl-segmentation", ("vxlan", True, "id 100 dstport 4789 noudpcsum")), + ("vxlan_csum", "", "tx-udp_tnl-csum-segmentation", ("vxlan", False, "id 100 dstport 4789 udpcsum")), + ("gre", "4", "tx-gre-segmentation", ("ipgre", False, "")), + ("gre", "6", "tx-gre-segmentation", ("ip6gre", False, "")), + ) + + cases = [] + for outer_ipver in ["4", "6"]: + for info in test_info: + # Skip if test which only works for a specific IP version + if info[1] and outer_ipver != info[1]: + continue + + cases.append(test_builder(info[0], cfg, outer_ipver, info[2], + tun=info[3], inner_ipver="4")) + if info[3]: + cases.append(test_builder(info[0], cfg, outer_ipver, info[2], + tun=info[3], inner_ipver="6")) + + ksft_run(cases=cases, args=(cfg, )) + ksft_exit() + + +if __name__ == "__main__": + main() diff --git a/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c b/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c new file mode 100644 index 000000000000..d988b2e0cee8 --- /dev/null +++ b/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define KBUILD_MODNAME "xdp_dummy" +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +SEC("xdp") +int xdp_dummy_prog(struct xdp_md *ctx) +{ + return XDP_PASS; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/drivers/net/lib/py/env.py b/tools/testing/selftests/drivers/net/lib/py/env.py index 1ea9bb695e94..fd4d674e6c72 100644 --- a/tools/testing/selftests/drivers/net/lib/py/env.py +++ b/tools/testing/selftests/drivers/net/lib/py/env.py @@ -5,49 +5,76 @@ import time from pathlib import Path from lib.py import KsftSkipEx, KsftXfailEx from lib.py import ksft_setup -from lib.py import cmd, ethtool, ip +from lib.py import cmd, ethtool, ip, CmdExitFailure from lib.py import NetNS, NetdevSimDev from .remote import Remote -def _load_env_file(src_path): - env = os.environ.copy() +class NetDrvEnvBase: + """ + Base class for a NIC / host envirnoments + """ + def __init__(self, src_path): + self.src_path = src_path + self.env = self._load_env_file() - src_dir = Path(src_path).parent.resolve() - if not (src_dir / "net.config").exists(): + def rpath(self, path): + """ + Get an absolute path to a file based on a path relative to the directory + containing the test which constructed env. + + For example, if the test.py is in the same directory as + a binary (built from helper.c), the test can use env.rpath("helper") + to get the absolute path to the binary + """ + src_dir = Path(self.src_path).parent.resolve() + return (src_dir / path).as_posix() + + def _load_env_file(self): + env = os.environ.copy() + + src_dir = Path(self.src_path).parent.resolve() + if not (src_dir / "net.config").exists(): + return ksft_setup(env) + + with open((src_dir / "net.config").as_posix(), 'r') as fp: + for line in fp.readlines(): + full_file = line + # Strip comments + pos = line.find("#") + if pos >= 0: + line = line[:pos] + line = line.strip() + if not line: + continue + pair = line.split('=', maxsplit=1) + if len(pair) != 2: + raise Exception("Can't parse configuration line:", full_file) + env[pair[0]] = pair[1] return ksft_setup(env) - with open((src_dir / "net.config").as_posix(), 'r') as fp: - for line in fp.readlines(): - full_file = line - # Strip comments - pos = line.find("#") - if pos >= 0: - line = line[:pos] - line = line.strip() - if not line: - continue - pair = line.split('=', maxsplit=1) - if len(pair) != 2: - raise Exception("Can't parse configuration line:", full_file) - env[pair[0]] = pair[1] - return ksft_setup(env) - - -class NetDrvEnv: + +class NetDrvEnv(NetDrvEnvBase): """ Class for a single NIC / host env, with no remote end """ - def __init__(self, src_path, **kwargs): - self._ns = None + def __init__(self, src_path, nsim_test=None, **kwargs): + super().__init__(src_path) - self.env = _load_env_file(src_path) + self._ns = None if 'NETIF' in self.env: - self.dev = ip("link show dev " + self.env['NETIF'], json=True)[0] + if nsim_test is True: + raise KsftXfailEx("Test only works on netdevsim") + + self.dev = ip("-d link show dev " + self.env['NETIF'], json=True)[0] else: + if nsim_test is False: + raise KsftXfailEx("Test does not work on netdevsim") + self._ns = NetdevSimDev(**kwargs) self.dev = self._ns.nsims[0].dev + self.ifname = self.dev['ifname'] self.ifindex = self.dev['ifindex'] def __enter__(self): @@ -67,7 +94,7 @@ class NetDrvEnv: self._ns = None -class NetDrvEpEnv: +class NetDrvEpEnv(NetDrvEnvBase): """ Class for an environment with a local device and "remote endpoint" which can be used to send traffic in. @@ -81,8 +108,7 @@ class NetDrvEpEnv: nsim_v6_pfx = "2001:db8::" def __init__(self, src_path, nsim_test=None): - - self.env = _load_env_file(src_path) + super().__init__(src_path) self._stats_settle_time = None @@ -93,17 +119,20 @@ class NetDrvEpEnv: self._ns = None self._ns_peer = None + self.addr_v = { "4": None, "6": None } + self.remote_addr_v = { "4": None, "6": None } + if "NETIF" in self.env: if nsim_test is True: raise KsftXfailEx("Test only works on netdevsim") self._check_env() - self.dev = ip("link show dev " + self.env['NETIF'], json=True)[0] + self.dev = ip("-d link show dev " + self.env['NETIF'], json=True)[0] - self.v4 = self.env.get("LOCAL_V4") - self.v6 = self.env.get("LOCAL_V6") - self.remote_v4 = self.env.get("REMOTE_V4") - self.remote_v6 = self.env.get("REMOTE_V6") + self.addr_v["4"] = self.env.get("LOCAL_V4") + self.addr_v["6"] = self.env.get("LOCAL_V6") + self.remote_addr_v["4"] = self.env.get("REMOTE_V4") + self.remote_addr_v["6"] = self.env.get("REMOTE_V6") kind = self.env["REMOTE_TYPE"] args = self.env["REMOTE_ARGS"] else: @@ -114,26 +143,29 @@ class NetDrvEpEnv: self.dev = self._ns.nsims[0].dev - self.v4 = self.nsim_v4_pfx + "1" - self.v6 = self.nsim_v6_pfx + "1" - self.remote_v4 = self.nsim_v4_pfx + "2" - self.remote_v6 = self.nsim_v6_pfx + "2" + self.addr_v["4"] = self.nsim_v4_pfx + "1" + self.addr_v["6"] = self.nsim_v6_pfx + "1" + self.remote_addr_v["4"] = self.nsim_v4_pfx + "2" + self.remote_addr_v["6"] = self.nsim_v6_pfx + "2" kind = "netns" args = self._netns.name self.remote = Remote(kind, args, src_path) - self.addr = self.v6 if self.v6 else self.v4 - self.remote_addr = self.remote_v6 if self.remote_v6 else self.remote_v4 + self.addr_ipver = "6" if self.addr_v["6"] else "4" + self.addr = self.addr_v[self.addr_ipver] + self.remote_addr = self.remote_addr_v[self.addr_ipver] - self.addr_ipver = "6" if self.v6 else "4" # Bracketed addresses, some commands need IPv6 to be inside [] - self.baddr = f"[{self.v6}]" if self.v6 else self.v4 - self.remote_baddr = f"[{self.remote_v6}]" if self.remote_v6 else self.remote_v4 + self.baddr = f"[{self.addr_v['6']}]" if self.addr_v["6"] else self.addr_v["4"] + self.remote_baddr = f"[{self.remote_addr_v['6']}]" if self.remote_addr_v["6"] else self.remote_addr_v["4"] self.ifname = self.dev['ifname'] self.ifindex = self.dev['ifindex'] + # resolve remote interface name + self.remote_ifname = self.resolve_remote_ifc() + self._required_cmd = {} def create_local(self): @@ -180,6 +212,18 @@ class NetDrvEpEnv: raise Exception("Invalid environment, missing configuration:", missing, "Please see tools/testing/selftests/drivers/net/README.rst") + def resolve_remote_ifc(self): + v4 = v6 = None + if self.remote_addr_v["4"]: + v4 = ip("addr show to " + self.remote_addr_v["4"], json=True, host=self.remote) + if self.remote_addr_v["6"]: + v6 = ip("addr show to " + self.remote_addr_v["6"], json=True, host=self.remote) + if v4 and v6 and v4[0]["ifname"] != v6[0]["ifname"]: + raise Exception("Can't resolve remote interface name, v4 and v6 don't match") + if (v4 and len(v4) > 1) or (v6 and len(v6) > 1): + raise Exception("Can't resolve remote interface name, multiple interfaces match") + return v6[0]["ifname"] if v6 else v4[0]["ifname"] + def __enter__(self): return self @@ -203,13 +247,9 @@ class NetDrvEpEnv: del self.remote self.remote = None - def require_v4(self): - if not self.v4 or not self.remote_v4: - raise KsftSkipEx("Test requires IPv4 connectivity") - - def require_v6(self): - if not self.v6 or not self.remote_v6: - raise KsftSkipEx("Test requires IPv6 connectivity") + def require_ipver(self, ipver): + if not self.addr_v[ipver] or not self.remote_addr_v[ipver]: + raise KsftSkipEx(f"Test requires IPv{ipver} connectivity") def _require_cmd(self, comm, key, host=None): cached = self._required_cmd.get(comm, {}) @@ -234,7 +274,12 @@ class NetDrvEpEnv: Good drivers will tell us via ethtool what their sync period is. """ if self._stats_settle_time is None: - data = ethtool("-c " + self.ifname, json=True)[0] + data = {} + try: + data = ethtool("-c " + self.ifname, json=True)[0] + except CmdExitFailure as e: + if "Operation not supported" not in e.cmd.stderr: + raise self._stats_settle_time = 0.025 + \ data.get('stats-block-usecs', 0) / 1000 / 1000 diff --git a/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh new file mode 100644 index 000000000000..3c96b022954d --- /dev/null +++ b/tools/testing/selftests/drivers/net/lib/sh/lib_netcons.sh @@ -0,0 +1,249 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 + +# This file contains functions and helpers to support the netconsole +# selftests +# +# Author: Breno Leitao <leitao@debian.org> + +set -euo pipefail + +LIBDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") + +SRCIF="" # to be populated later +SRCIP=192.0.2.1 +DSTIF="" # to be populated later +DSTIP=192.0.2.2 + +PORT="6666" +MSG="netconsole selftest" +USERDATA_KEY="key" +USERDATA_VALUE="value" +TARGET=$(mktemp -u netcons_XXXXX) +DEFAULT_PRINTK_VALUES=$(cat /proc/sys/kernel/printk) +NETCONS_CONFIGFS="/sys/kernel/config/netconsole" +NETCONS_PATH="${NETCONS_CONFIGFS}"/"${TARGET}" +# NAMESPACE will be populated by setup_ns with a random value +NAMESPACE="" + +# IDs for netdevsim +NSIM_DEV_1_ID=$((256 + RANDOM % 256)) +NSIM_DEV_2_ID=$((512 + RANDOM % 256)) +NSIM_DEV_SYS_NEW="/sys/bus/netdevsim/new_device" + +# Used to create and delete namespaces +source "${LIBDIR}"/../../../../net/lib.sh +source "${LIBDIR}"/../../../../net/net_helper.sh + +# Create netdevsim interfaces +create_ifaces() { + + echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_NEW" + echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_NEW" + udevadm settle 2> /dev/null || true + + local NSIM1=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_1_ID" + local NSIM2=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_2_ID" + + # These are global variables + SRCIF=$(find "$NSIM1"/net -maxdepth 1 -type d ! \ + -path "$NSIM1"/net -exec basename {} \;) + DSTIF=$(find "$NSIM2"/net -maxdepth 1 -type d ! \ + -path "$NSIM2"/net -exec basename {} \;) +} + +link_ifaces() { + local NSIM_DEV_SYS_LINK="/sys/bus/netdevsim/link_device" + local SRCIF_IFIDX=$(cat /sys/class/net/"$SRCIF"/ifindex) + local DSTIF_IFIDX=$(cat /sys/class/net/"$DSTIF"/ifindex) + + exec {NAMESPACE_FD}</var/run/netns/"${NAMESPACE}" + exec {INITNS_FD}</proc/self/ns/net + + # Bind the dst interface to namespace + ip link set "${DSTIF}" netns "${NAMESPACE}" + + # Linking one device to the other one (on the other namespace} + if ! echo "${INITNS_FD}:$SRCIF_IFIDX $NAMESPACE_FD:$DSTIF_IFIDX" > $NSIM_DEV_SYS_LINK + then + echo "linking netdevsim1 with netdevsim2 should succeed" + cleanup + exit "${ksft_skip}" + fi +} + +function configure_ip() { + # Configure the IPs for both interfaces + ip netns exec "${NAMESPACE}" ip addr add "${DSTIP}"/24 dev "${DSTIF}" + ip netns exec "${NAMESPACE}" ip link set "${DSTIF}" up + + ip addr add "${SRCIP}"/24 dev "${SRCIF}" + ip link set "${SRCIF}" up +} + +function set_network() { + # setup_ns function is coming from lib.sh + setup_ns NAMESPACE + + # Create both interfaces, and assign the destination to a different + # namespace + create_ifaces + + # Link both interfaces back to back + link_ifaces + + configure_ip +} + +function create_dynamic_target() { + DSTMAC=$(ip netns exec "${NAMESPACE}" \ + ip link show "${DSTIF}" | awk '/ether/ {print $2}') + + # Create a dynamic target + mkdir "${NETCONS_PATH}" + + echo "${DSTIP}" > "${NETCONS_PATH}"/remote_ip + echo "${SRCIP}" > "${NETCONS_PATH}"/local_ip + echo "${DSTMAC}" > "${NETCONS_PATH}"/remote_mac + echo "${SRCIF}" > "${NETCONS_PATH}"/dev_name + + echo 1 > "${NETCONS_PATH}"/enabled +} + +# Do not append the release to the header of the message +function disable_release_append() { + echo 0 > "${NETCONS_PATH}"/enabled + echo 0 > "${NETCONS_PATH}"/release + echo 1 > "${NETCONS_PATH}"/enabled +} + +function cleanup() { + local NSIM_DEV_SYS_DEL="/sys/bus/netdevsim/del_device" + + # delete netconsole dynamic reconfiguration + echo 0 > "${NETCONS_PATH}"/enabled + # Remove all the keys that got created during the selftest + find "${NETCONS_PATH}/userdata/" -mindepth 1 -type d -delete + # Remove the configfs entry + rmdir "${NETCONS_PATH}" + + # Delete netdevsim devices + echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_DEL" + echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_DEL" + + # this is coming from lib.sh + cleanup_all_ns + + # Restoring printk configurations + echo "${DEFAULT_PRINTK_VALUES}" > /proc/sys/kernel/printk +} + +function set_user_data() { + if [[ ! -d "${NETCONS_PATH}""/userdata" ]] + then + echo "Userdata path not available in ${NETCONS_PATH}/userdata" + exit "${ksft_skip}" + fi + + KEY_PATH="${NETCONS_PATH}/userdata/${USERDATA_KEY}" + mkdir -p "${KEY_PATH}" + VALUE_PATH="${KEY_PATH}""/value" + echo "${USERDATA_VALUE}" > "${VALUE_PATH}" +} + +function listen_port_and_save_to() { + local OUTPUT=${1} + # Just wait for 2 seconds + timeout 2 ip netns exec "${NAMESPACE}" \ + socat UDP-LISTEN:"${PORT}",fork "${OUTPUT}" +} + +function validate_result() { + local TMPFILENAME="$1" + + # TMPFILENAME will contain something like: + # 6.11.1-0_fbk0_rc13_509_g30d75cea12f7,13,1822,115075213798,-;netconsole selftest: netcons_gtJHM + # key=value + + # Check if the file exists + if [ ! -f "$TMPFILENAME" ]; then + echo "FAIL: File was not generated." >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "${MSG}" "${TMPFILENAME}"; then + echo "FAIL: ${MSG} not found in ${TMPFILENAME}" >&2 + cat "${TMPFILENAME}" >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "${USERDATA_KEY}=${USERDATA_VALUE}" "${TMPFILENAME}"; then + echo "FAIL: ${USERDATA_KEY}=${USERDATA_VALUE} not found in ${TMPFILENAME}" >&2 + cat "${TMPFILENAME}" >&2 + exit "${ksft_fail}" + fi + + # Delete the file once it is validated, otherwise keep it + # for debugging purposes + rm "${TMPFILENAME}" + exit "${ksft_pass}" +} + +function check_for_dependencies() { + if [ "$(id -u)" -ne 0 ]; then + echo "This test must be run as root" >&2 + exit "${ksft_skip}" + fi + + if ! which socat > /dev/null ; then + echo "SKIP: socat(1) is not available" >&2 + exit "${ksft_skip}" + fi + + if ! which ip > /dev/null ; then + echo "SKIP: ip(1) is not available" >&2 + exit "${ksft_skip}" + fi + + if ! which udevadm > /dev/null ; then + echo "SKIP: udevadm(1) is not available" >&2 + exit "${ksft_skip}" + fi + + if [ ! -f "${NSIM_DEV_SYS_NEW}" ]; then + echo "SKIP: file ${NSIM_DEV_SYS_NEW} does not exist. Check if CONFIG_NETDEVSIM is enabled" >&2 + exit "${ksft_skip}" + fi + + if [ ! -d "${NETCONS_CONFIGFS}" ]; then + echo "SKIP: directory ${NETCONS_CONFIGFS} does not exist. Check if NETCONSOLE_DYNAMIC is enabled" >&2 + exit "${ksft_skip}" + fi + + if ip link show "${DSTIF}" 2> /dev/null; then + echo "SKIP: interface ${DSTIF} exists in the system. Not overwriting it." >&2 + exit "${ksft_skip}" + fi + + if ip addr list | grep -E "inet.*(${SRCIP}|${DSTIP})" 2> /dev/null; then + echo "SKIP: IPs already in use. Skipping it" >&2 + exit "${ksft_skip}" + fi +} + +function check_for_taskset() { + if ! which taskset > /dev/null ; then + echo "SKIP: taskset(1) is not available" >&2 + exit "${ksft_skip}" + fi +} + +# This is necessary if running multiple tests in a row +function pkill_socat() { + PROCESS_NAME="socat UDP-LISTEN:6666,fork ${OUTPUT_FILE}" + # socat runs under timeout(1), kill it if it is still alive + # do not fail if socat doesn't exist anymore + set +e + pkill -f "${PROCESS_NAME}" + set -e +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh b/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh index b79542a4dcc7..4a11bf1d514a 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rif_bridge.sh @@ -12,6 +12,7 @@ ALL_TESTS=" bridge_rif_remaster_port " +REQUIRE_TEAMD="yes" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/devlink_lib.sh diff --git a/tools/testing/selftests/drivers/net/mlxsw/rif_lag.sh b/tools/testing/selftests/drivers/net/mlxsw/rif_lag.sh index e28f978104f3..b8bbe94f4736 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rif_lag.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rif_lag.sh @@ -10,6 +10,7 @@ ALL_TESTS=" lag_rif_nomaster_addr " +REQUIRE_TEAMD="yes" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/devlink_lib.sh diff --git a/tools/testing/selftests/drivers/net/mlxsw/rif_lag_vlan.sh b/tools/testing/selftests/drivers/net/mlxsw/rif_lag_vlan.sh index 6318cfa6434c..d1a9d379eaf3 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rif_lag_vlan.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rif_lag_vlan.sh @@ -10,6 +10,7 @@ ALL_TESTS=" lag_rif_nomaster_addr " +REQUIRE_TEAMD="yes" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/devlink_lib.sh diff --git a/tools/testing/selftests/drivers/net/netcons_basic.sh b/tools/testing/selftests/drivers/net/netcons_basic.sh index b175f4d966e5..fe765da498e8 100755 --- a/tools/testing/selftests/drivers/net/netcons_basic.sh +++ b/tools/testing/selftests/drivers/net/netcons_basic.sh @@ -18,224 +18,8 @@ set -euo pipefail SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") -# Simple script to test dynamic targets in netconsole -SRCIF="" # to be populated later -SRCIP=192.0.2.1 -DSTIF="" # to be populated later -DSTIP=192.0.2.2 +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh -PORT="6666" -MSG="netconsole selftest" -USERDATA_KEY="key" -USERDATA_VALUE="value" -TARGET=$(mktemp -u netcons_XXXXX) -DEFAULT_PRINTK_VALUES=$(cat /proc/sys/kernel/printk) -NETCONS_CONFIGFS="/sys/kernel/config/netconsole" -NETCONS_PATH="${NETCONS_CONFIGFS}"/"${TARGET}" -KEY_PATH="${NETCONS_PATH}/userdata/${USERDATA_KEY}" -# NAMESPACE will be populated by setup_ns with a random value -NAMESPACE="" - -# IDs for netdevsim -NSIM_DEV_1_ID=$((256 + RANDOM % 256)) -NSIM_DEV_2_ID=$((512 + RANDOM % 256)) -NSIM_DEV_SYS_NEW="/sys/bus/netdevsim/new_device" - -# Used to create and delete namespaces -source "${SCRIPTDIR}"/../../net/lib.sh -source "${SCRIPTDIR}"/../../net/net_helper.sh - -# Create netdevsim interfaces -create_ifaces() { - - echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_NEW" - echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_NEW" - udevadm settle 2> /dev/null || true - - local NSIM1=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_1_ID" - local NSIM2=/sys/bus/netdevsim/devices/netdevsim"$NSIM_DEV_2_ID" - - # These are global variables - SRCIF=$(find "$NSIM1"/net -maxdepth 1 -type d ! \ - -path "$NSIM1"/net -exec basename {} \;) - DSTIF=$(find "$NSIM2"/net -maxdepth 1 -type d ! \ - -path "$NSIM2"/net -exec basename {} \;) -} - -link_ifaces() { - local NSIM_DEV_SYS_LINK="/sys/bus/netdevsim/link_device" - local SRCIF_IFIDX=$(cat /sys/class/net/"$SRCIF"/ifindex) - local DSTIF_IFIDX=$(cat /sys/class/net/"$DSTIF"/ifindex) - - exec {NAMESPACE_FD}</var/run/netns/"${NAMESPACE}" - exec {INITNS_FD}</proc/self/ns/net - - # Bind the dst interface to namespace - ip link set "${DSTIF}" netns "${NAMESPACE}" - - # Linking one device to the other one (on the other namespace} - if ! echo "${INITNS_FD}:$SRCIF_IFIDX $NAMESPACE_FD:$DSTIF_IFIDX" > $NSIM_DEV_SYS_LINK - then - echo "linking netdevsim1 with netdevsim2 should succeed" - cleanup - exit "${ksft_skip}" - fi -} - -function configure_ip() { - # Configure the IPs for both interfaces - ip netns exec "${NAMESPACE}" ip addr add "${DSTIP}"/24 dev "${DSTIF}" - ip netns exec "${NAMESPACE}" ip link set "${DSTIF}" up - - ip addr add "${SRCIP}"/24 dev "${SRCIF}" - ip link set "${SRCIF}" up -} - -function set_network() { - # setup_ns function is coming from lib.sh - setup_ns NAMESPACE - - # Create both interfaces, and assign the destination to a different - # namespace - create_ifaces - - # Link both interfaces back to back - link_ifaces - - configure_ip -} - -function create_dynamic_target() { - DSTMAC=$(ip netns exec "${NAMESPACE}" \ - ip link show "${DSTIF}" | awk '/ether/ {print $2}') - - # Create a dynamic target - mkdir "${NETCONS_PATH}" - - echo "${DSTIP}" > "${NETCONS_PATH}"/remote_ip - echo "${SRCIP}" > "${NETCONS_PATH}"/local_ip - echo "${DSTMAC}" > "${NETCONS_PATH}"/remote_mac - echo "${SRCIF}" > "${NETCONS_PATH}"/dev_name - - echo 1 > "${NETCONS_PATH}"/enabled -} - -function cleanup() { - local NSIM_DEV_SYS_DEL="/sys/bus/netdevsim/del_device" - - # delete netconsole dynamic reconfiguration - echo 0 > "${NETCONS_PATH}"/enabled - # Remove key - rmdir "${KEY_PATH}" - # Remove the configfs entry - rmdir "${NETCONS_PATH}" - - # Delete netdevsim devices - echo "$NSIM_DEV_2_ID" > "$NSIM_DEV_SYS_DEL" - echo "$NSIM_DEV_1_ID" > "$NSIM_DEV_SYS_DEL" - - # this is coming from lib.sh - cleanup_all_ns - - # Restoring printk configurations - echo "${DEFAULT_PRINTK_VALUES}" > /proc/sys/kernel/printk -} - -function set_user_data() { - if [[ ! -d "${NETCONS_PATH}""/userdata" ]] - then - echo "Userdata path not available in ${NETCONS_PATH}/userdata" - exit "${ksft_skip}" - fi - - mkdir -p "${KEY_PATH}" - VALUE_PATH="${KEY_PATH}""/value" - echo "${USERDATA_VALUE}" > "${VALUE_PATH}" -} - -function listen_port_and_save_to() { - local OUTPUT=${1} - # Just wait for 2 seconds - timeout 2 ip netns exec "${NAMESPACE}" \ - socat UDP-LISTEN:"${PORT}",fork "${OUTPUT}" -} - -function validate_result() { - local TMPFILENAME="$1" - - # TMPFILENAME will contain something like: - # 6.11.1-0_fbk0_rc13_509_g30d75cea12f7,13,1822,115075213798,-;netconsole selftest: netcons_gtJHM - # key=value - - # Check if the file exists - if [ ! -f "$TMPFILENAME" ]; then - echo "FAIL: File was not generated." >&2 - exit "${ksft_fail}" - fi - - if ! grep -q "${MSG}" "${TMPFILENAME}"; then - echo "FAIL: ${MSG} not found in ${TMPFILENAME}" >&2 - cat "${TMPFILENAME}" >&2 - exit "${ksft_fail}" - fi - - if ! grep -q "${USERDATA_KEY}=${USERDATA_VALUE}" "${TMPFILENAME}"; then - echo "FAIL: ${USERDATA_KEY}=${USERDATA_VALUE} not found in ${TMPFILENAME}" >&2 - cat "${TMPFILENAME}" >&2 - exit "${ksft_fail}" - fi - - # Delete the file once it is validated, otherwise keep it - # for debugging purposes - rm "${TMPFILENAME}" - exit "${ksft_pass}" -} - -function check_for_dependencies() { - if [ "$(id -u)" -ne 0 ]; then - echo "This test must be run as root" >&2 - exit "${ksft_skip}" - fi - - if ! which socat > /dev/null ; then - echo "SKIP: socat(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if ! which ip > /dev/null ; then - echo "SKIP: ip(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if ! which udevadm > /dev/null ; then - echo "SKIP: udevadm(1) is not available" >&2 - exit "${ksft_skip}" - fi - - if [ ! -f "${NSIM_DEV_SYS_NEW}" ]; then - echo "SKIP: file ${NSIM_DEV_SYS_NEW} does not exist. Check if CONFIG_NETDEVSIM is enabled" >&2 - exit "${ksft_skip}" - fi - - if [ ! -d "${NETCONS_CONFIGFS}" ]; then - echo "SKIP: directory ${NETCONS_CONFIGFS} does not exist. Check if NETCONSOLE_DYNAMIC is enabled" >&2 - exit "${ksft_skip}" - fi - - if ip link show "${DSTIF}" 2> /dev/null; then - echo "SKIP: interface ${DSTIF} exists in the system. Not overwriting it." >&2 - exit "${ksft_skip}" - fi - - if ip addr list | grep -E "inet.*(${SRCIP}|${DSTIP})" 2> /dev/null; then - echo "SKIP: IPs already in use. Skipping it" >&2 - exit "${ksft_skip}" - fi -} - -# ========== # -# Start here # -# ========== # modprobe netdevsim 2> /dev/null || true modprobe netconsole 2> /dev/null || true diff --git a/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh b/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh new file mode 100755 index 000000000000..4a71e01a230c --- /dev/null +++ b/tools/testing/selftests/drivers/net/netcons_fragmented_msg.sh @@ -0,0 +1,122 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 + +# Test netconsole's message fragmentation functionality. +# +# When a message exceeds the maximum packet size, netconsole splits it into +# multiple fragments for transmission. This test verifies: +# - Correct fragmentation of large messages +# - Proper reassembly of fragments at the receiver +# - Preservation of userdata across fragments +# - Behavior with and without kernel release version appending +# +# Author: Breno Leitao <leitao@debian.org> + +set -euo pipefail + +SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") + +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh + +modprobe netdevsim 2> /dev/null || true +modprobe netconsole 2> /dev/null || true + +# The content of kmsg will be save to the following file +OUTPUT_FILE="/tmp/${TARGET}" + +# set userdata to a long value. In this case, it is "1-2-3-4...50-" +USERDATA_VALUE=$(printf -- '%.2s-' {1..60}) + +# Convert the header string in a regexp, so, we can remove +# the second header as well. +# A header looks like "13,468,514729715,-,ncfrag=0/1135;". If +# release is appended, you might find something like:L +# "6.13.0-04048-g4f561a87745a,13,468,514729715,-,ncfrag=0/1135;" +function header_to_regex() { + # header is everything before ; + local HEADER="${1}" + REGEX=$(echo "${HEADER}" | cut -d'=' -f1) + echo "${REGEX}=[0-9]*\/[0-9]*;" +} + +# We have two headers in the message. Remove both to get the full message, +# and extract the full message. +function extract_msg() { + local MSGFILE="${1}" + # Extract the header, which is the very first thing that arrives in the + # first list. + HEADER=$(sed -n '1p' "${MSGFILE}" | cut -d';' -f1) + HEADER_REGEX=$(header_to_regex "${HEADER}") + + # Remove the two headers from the received message + # This will return the message without any header, similarly to what + # was sent. + sed "s/""${HEADER_REGEX}""//g" "${MSGFILE}" +} + +# Validate the message, which has two messages glued together. +# unwrap them to make sure all the characters were transmitted. +# File will look like the following: +# 13,468,514729715,-,ncfrag=0/1135;<message> +# key=<part of key>-13,468,514729715,-,ncfrag=967/1135;<rest of the key> +function validate_fragmented_result() { + # Discard the netconsole headers, and assemble the full message + RCVMSG=$(extract_msg "${1}") + + # check for the main message + if ! echo "${RCVMSG}" | grep -q "${MSG}"; then + echo "Message body doesn't match." >&2 + echo "msg received=" "${RCVMSG}" >&2 + exit "${ksft_fail}" + fi + + # check userdata + if ! echo "${RCVMSG}" | grep -q "${USERDATA_VALUE}"; then + echo "message userdata doesn't match" >&2 + echo "msg received=" "${RCVMSG}" >&2 + exit "${ksft_fail}" + fi + # test passed. hooray +} + +# Check for basic system dependency and exit if not found +check_for_dependencies +# Set current loglevel to KERN_INFO(6), and default to KERN_NOTICE(5) +echo "6 5" > /proc/sys/kernel/printk +# Remove the namespace, interfaces and netconsole target on exit +trap cleanup EXIT +# Create one namespace and two interfaces +set_network +# Create a dynamic target for netconsole +create_dynamic_target +# Set userdata "key" with the "value" value +set_user_data + + +# TEST 1: Send message and userdata. They will fragment +# ======= +MSG=$(printf -- 'MSG%.3s=' {1..150}) + +# Listen for netconsole port inside the namespace and destination interface +listen_port_and_save_to "${OUTPUT_FILE}" & +# Wait for socat to start and listen to the port. +wait_local_port_listen "${NAMESPACE}" "${PORT}" udp +# Send the message +echo "${MSG}: ${TARGET}" > /dev/kmsg +# Wait until socat saves the file to disk +busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" +# Check if the message was not corrupted +validate_fragmented_result "${OUTPUT_FILE}" + +# TEST 2: Test with smaller message, and without release appended +# ======= +MSG=$(printf -- 'FOOBAR%.3s=' {1..100}) +# Let's disable release and test again. +disable_release_append + +listen_port_and_save_to "${OUTPUT_FILE}" & +wait_local_port_listen "${NAMESPACE}" "${PORT}" udp +echo "${MSG}: ${TARGET}" > /dev/kmsg +busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" +validate_fragmented_result "${OUTPUT_FILE}" +exit "${ksft_pass}" diff --git a/tools/testing/selftests/drivers/net/netcons_overflow.sh b/tools/testing/selftests/drivers/net/netcons_overflow.sh new file mode 100755 index 000000000000..29bad56448a2 --- /dev/null +++ b/tools/testing/selftests/drivers/net/netcons_overflow.sh @@ -0,0 +1,67 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 + +# This test verifies that users can successfully create up to +# MAX_USERDATA_ITEMS userdata entries without encountering any failures. +# +# Additionally, it tests for expected failure when attempting to exceed this +# maximum limit. +# +# Author: Breno Leitao <leitao@debian.org> + +set -euo pipefail + +SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") + +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh +# This is coming from netconsole code. Check for it in drivers/net/netconsole.c +MAX_USERDATA_ITEMS=16 + +# Function to create userdata entries +function create_userdata_max_entries() { + # All these keys should be created without any error + for i in $(seq $MAX_USERDATA_ITEMS) + do + # USERDATA_KEY is used by set_user_data + USERDATA_KEY="key"${i} + set_user_data + done +} + +# Function to verify the entry limit +function verify_entry_limit() { + # Allowing the test to fail without exiting, since the next command + # will fail + set +e + mkdir "${NETCONS_PATH}/userdata/key_that_will_fail" 2> /dev/null + ret="$?" + set -e + if [ "$ret" -eq 0 ]; + then + echo "Adding more than ${MAX_USERDATA_ITEMS} entries in userdata should fail, but it didn't" >&2 + ls "${NETCONS_PATH}/userdata/" >&2 + exit "${ksft_fail}" + fi +} + +# ========== # +# Start here # +# ========== # + +modprobe netdevsim 2> /dev/null || true +modprobe netconsole 2> /dev/null || true + +# Check for basic system dependency and exit if not found +check_for_dependencies + +# Remove the namespace, interfaces and netconsole target on exit +trap cleanup EXIT +# Create one namespace and two interfaces +set_network +# Create a dynamic target for netconsole +create_dynamic_target +# populate the maximum number of supported keys in userdata +create_userdata_max_entries +# Verify an additional entry is not allowed +verify_entry_limit +exit "${ksft_pass}" diff --git a/tools/testing/selftests/drivers/net/netcons_sysdata.sh b/tools/testing/selftests/drivers/net/netcons_sysdata.sh new file mode 100755 index 000000000000..a737e377bf08 --- /dev/null +++ b/tools/testing/selftests/drivers/net/netcons_sysdata.sh @@ -0,0 +1,242 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: GPL-2.0 + +# A test that makes sure that sysdata runtime CPU data is properly set +# when a message is sent. +# +# There are 3 different tests, every time sent using a random CPU. +# - Test #1 +# * Only enable cpu_nr sysdata feature. +# - Test #2 +# * Keep cpu_nr sysdata feature enable and enable userdata. +# - Test #3 +# * keep userdata enabled, and disable sysdata cpu_nr feature. +# +# Author: Breno Leitao <leitao@debian.org> + +set -euo pipefail + +SCRIPTDIR=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") + +source "${SCRIPTDIR}"/lib/sh/lib_netcons.sh + +# Enable the sysdata cpu_nr feature +function set_cpu_nr() { + if [[ ! -f "${NETCONS_PATH}/userdata/cpu_nr_enabled" ]] + then + echo "Populate CPU configfs path not available in ${NETCONS_PATH}/userdata/cpu_nr_enabled" >&2 + exit "${ksft_skip}" + fi + + echo 1 > "${NETCONS_PATH}/userdata/cpu_nr_enabled" +} + +# Enable the taskname to be appended to sysdata +function set_taskname() { + if [[ ! -f "${NETCONS_PATH}/userdata/taskname_enabled" ]] + then + echo "Not able to enable taskname sysdata append. Configfs not available in ${NETCONS_PATH}/userdata/taskname_enabled" >&2 + exit "${ksft_skip}" + fi + + echo 1 > "${NETCONS_PATH}/userdata/taskname_enabled" +} + +# Enable the release to be appended to sysdata +function set_release() { + if [[ ! -f "${NETCONS_PATH}/userdata/release_enabled" ]] + then + echo "Not able to enable release sysdata append. Configfs not available in ${NETCONS_PATH}/userdata/release_enabled" >&2 + exit "${ksft_skip}" + fi + + echo 1 > "${NETCONS_PATH}/userdata/release_enabled" +} + +# Disable the sysdata cpu_nr feature +function unset_cpu_nr() { + echo 0 > "${NETCONS_PATH}/userdata/cpu_nr_enabled" +} + +# Once called, taskname=<..> will not be appended anymore +function unset_taskname() { + echo 0 > "${NETCONS_PATH}/userdata/taskname_enabled" +} + +function unset_release() { + echo 0 > "${NETCONS_PATH}/userdata/release_enabled" +} + +# Test if MSG contains sysdata +function validate_sysdata() { + # OUTPUT_FILE will contain something like: + # 6.11.1-0_fbk0_rc13_509_g30d75cea12f7,13,1822,115075213798,-;netconsole selftest: netcons_gtJHM + # userdatakey=userdatavalue + # cpu=X + # taskname=<taskname> + + # Echo is what this test uses to create the message. See runtest() + # function + SENDER="echo" + + if [ ! -f "$OUTPUT_FILE" ]; then + echo "FAIL: File was not generated." >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "${MSG}" "${OUTPUT_FILE}"; then + echo "FAIL: ${MSG} not found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + # Check if cpu=XX exists in the file and matches the one used + # in taskset(1) + if ! grep -q "cpu=${CPU}\+" "${OUTPUT_FILE}"; then + echo "FAIL: 'cpu=${CPU}' not found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "taskname=${SENDER}" "${OUTPUT_FILE}"; then + echo "FAIL: 'taskname=echo' not found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + rm "${OUTPUT_FILE}" + pkill_socat +} + +function validate_release() { + RELEASE=$(uname -r) + + if [ ! -f "$OUTPUT_FILE" ]; then + echo "FAIL: File was not generated." >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "release=${RELEASE}" "${OUTPUT_FILE}"; then + echo "FAIL: 'release=${RELEASE}' not found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi +} + +# Test if MSG content exists in OUTPUT_FILE but no `cpu=` and `taskname=` +# strings +function validate_no_sysdata() { + if [ ! -f "$OUTPUT_FILE" ]; then + echo "FAIL: File was not generated." >&2 + exit "${ksft_fail}" + fi + + if ! grep -q "${MSG}" "${OUTPUT_FILE}"; then + echo "FAIL: ${MSG} not found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + if grep -q "cpu=" "${OUTPUT_FILE}"; then + echo "FAIL: 'cpu= found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + if grep -q "taskname=" "${OUTPUT_FILE}"; then + echo "FAIL: 'taskname= found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + if grep -q "release=" "${OUTPUT_FILE}"; then + echo "FAIL: 'release= found in ${OUTPUT_FILE}" >&2 + cat "${OUTPUT_FILE}" >&2 + exit "${ksft_fail}" + fi + + rm "${OUTPUT_FILE}" +} + +# Start socat, send the message and wait for the file to show up in the file +# system +function runtest { + # Listen for netconsole port inside the namespace and destination + # interface + listen_port_and_save_to "${OUTPUT_FILE}" & + # Wait for socat to start and listen to the port. + wait_local_port_listen "${NAMESPACE}" "${PORT}" udp + # Send the message + taskset -c "${CPU}" echo "${MSG}: ${TARGET}" > /dev/kmsg + # Wait until socat saves the file to disk + busywait "${BUSYWAIT_TIMEOUT}" test -s "${OUTPUT_FILE}" +} + +# ========== # +# Start here # +# ========== # + +modprobe netdevsim 2> /dev/null || true +modprobe netconsole 2> /dev/null || true + +# Check for basic system dependency and exit if not found +check_for_dependencies +# This test also depends on taskset(1). Check for it before starting the test +check_for_taskset + +# Set current loglevel to KERN_INFO(6), and default to KERN_NOTICE(5) +echo "6 5" > /proc/sys/kernel/printk +# Remove the namespace, interfaces and netconsole target on exit +trap cleanup EXIT +# Create one namespace and two interfaces +set_network +# Create a dynamic target for netconsole +create_dynamic_target + +#==================================================== +# TEST #1 +# Send message from a random CPU +#==================================================== +# Random CPU in the system +CPU=$((RANDOM % $(nproc))) +OUTPUT_FILE="/tmp/${TARGET}_1" +MSG="Test #1 from CPU${CPU}" +# Enable the auto population of cpu_nr +set_cpu_nr +# Enable taskname to be appended to sysdata +set_taskname +set_release +runtest +# Make sure the message was received in the dst part +# and exit +validate_release +validate_sysdata + +#==================================================== +# TEST #2 +# This test now adds userdata together with sysdata +# =================================================== +# Get a new random CPU +CPU=$((RANDOM % $(nproc))) +OUTPUT_FILE="/tmp/${TARGET}_2" +MSG="Test #2 from CPU${CPU}" +set_user_data +runtest +validate_release +validate_sysdata + +# =================================================== +# TEST #3 +# Unset all sysdata, fail if any userdata is set +# =================================================== +CPU=$((RANDOM % $(nproc))) +OUTPUT_FILE="/tmp/${TARGET}_3" +MSG="Test #3 from CPU${CPU}" +unset_cpu_nr +unset_taskname +unset_release +runtest +# At this time, cpu= shouldn't be present in the msg +validate_no_sysdata + +exit "${ksft_pass}" diff --git a/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh b/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh index 384cfa3d38a6..92c2f0376c08 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh @@ -142,7 +142,7 @@ function pre_ethtool { } function check_table { - local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1 + local path=$NSIM_DEV_DFS/ports/$port/udp_ports/table$1 local -n expected=$2 local last=$3 @@ -212,7 +212,7 @@ function check_tables { } function print_table { - local path=$NSIM_DEV_DFS/ports/$port/udp_ports_table$1 + local path=$NSIM_DEV_DFS/ports/$port/udp_ports/table$1 read -a have < $path tree $NSIM_DEV_DFS/ @@ -641,7 +641,7 @@ for port in 0 1; do NSIM_NETDEV=`get_netdev_name old_netdevs` ip link set dev $NSIM_NETDEV up - echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error + echo 110 > $NSIM_DEV_DFS/ports/$port/udp_ports/inject_error msg="1 - create VxLANs v6" exp0=( 0 0 0 0 ) @@ -663,7 +663,7 @@ for port in 0 1; do new_geneve gnv0 20000 msg="2 - destroy GENEVE" - echo 2 > $NSIM_DEV_DFS/ports/$port/udp_ports_inject_error + echo 2 > $NSIM_DEV_DFS/ports/$port/udp_ports/inject_error exp1=( `mke 20000 2` 0 0 0 ) del_dev gnv0 @@ -764,7 +764,7 @@ for port in 0 1; do msg="create VxLANs v4" new_vxlan vxlan0 10000 $NSIM_NETDEV - echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset + echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset check_tables msg="NIC device goes down" @@ -775,7 +775,7 @@ for port in 0 1; do fi check_tables - echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset + echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset check_tables msg="NIC device goes up again" @@ -789,7 +789,7 @@ for port in 0 1; do del_dev vxlan0 check_tables - echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset + echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset check_tables msg="destroy NIC" @@ -896,7 +896,7 @@ msg="vacate VxLAN in overflow table" exp0=( `mke 10000 1` `mke 10004 1` 0 `mke 10003 1` ) del_dev vxlan2 -echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports_reset +echo 1 > $NSIM_DEV_DFS/ports/$port/udp_ports/reset check_tables msg="tunnels destroyed 2" diff --git a/tools/testing/selftests/drivers/net/ping.py b/tools/testing/selftests/drivers/net/ping.py index eb83e7b48797..93120e86e102 100755 --- a/tools/testing/selftests/drivers/net/ping.py +++ b/tools/testing/selftests/drivers/net/ping.py @@ -1,49 +1,219 @@ #!/usr/bin/env python3 # SPDX-License-Identifier: GPL-2.0 +import os +import random, string, time from lib.py import ksft_run, ksft_exit -from lib.py import ksft_eq -from lib.py import NetDrvEpEnv +from lib.py import ksft_eq, KsftSkipEx, KsftFailEx +from lib.py import EthtoolFamily, NetDrvEpEnv from lib.py import bkg, cmd, wait_port_listen, rand_port +from lib.py import defer, ethtool, ip +remote_ifname="" +no_sleep=False -def test_v4(cfg) -> None: - cfg.require_v4() +def _test_v4(cfg) -> None: + cfg.require_ipver("4") - cmd(f"ping -c 1 -W0.5 {cfg.remote_v4}") - cmd(f"ping -c 1 -W0.5 {cfg.v4}", host=cfg.remote) + cmd("ping -c 1 -W0.5 " + cfg.remote_addr_v["4"]) + cmd("ping -c 1 -W0.5 " + cfg.addr_v["4"], host=cfg.remote) + cmd("ping -s 65000 -c 1 -W0.5 " + cfg.remote_addr_v["4"]) + cmd("ping -s 65000 -c 1 -W0.5 " + cfg.addr_v["4"], host=cfg.remote) +def _test_v6(cfg) -> None: + cfg.require_ipver("6") -def test_v6(cfg) -> None: - cfg.require_v6() + cmd("ping -c 1 -W5 " + cfg.remote_addr_v["6"]) + cmd("ping -c 1 -W5 " + cfg.addr_v["6"], host=cfg.remote) + cmd("ping -s 65000 -c 1 -W0.5 " + cfg.remote_addr_v["6"]) + cmd("ping -s 65000 -c 1 -W0.5 " + cfg.addr_v["6"], host=cfg.remote) - cmd(f"ping -c 1 -W0.5 {cfg.remote_v6}") - cmd(f"ping -c 1 -W0.5 {cfg.v6}", host=cfg.remote) - - -def test_tcp(cfg) -> None: +def _test_tcp(cfg) -> None: cfg.require_cmd("socat", remote=True) port = rand_port() listen_cmd = f"socat -{cfg.addr_ipver} -t 2 -u TCP-LISTEN:{port},reuseport STDOUT" + test_string = ''.join(random.choice(string.ascii_lowercase) for _ in range(65536)) with bkg(listen_cmd, exit_wait=True) as nc: wait_port_listen(port) - cmd(f"echo ping | socat -t 2 -u STDIN TCP:{cfg.baddr}:{port}", + cmd(f"echo {test_string} | socat -t 2 -u STDIN TCP:{cfg.baddr}:{port}", shell=True, host=cfg.remote) - ksft_eq(nc.stdout.strip(), "ping") + ksft_eq(nc.stdout.strip(), test_string) + test_string = ''.join(random.choice(string.ascii_lowercase) for _ in range(65536)) with bkg(listen_cmd, host=cfg.remote, exit_wait=True) as nc: wait_port_listen(port, host=cfg.remote) - cmd(f"echo ping | socat -t 2 -u STDIN TCP:{cfg.remote_baddr}:{port}", shell=True) - ksft_eq(nc.stdout.strip(), "ping") - + cmd(f"echo {test_string} | socat -t 2 -u STDIN TCP:{cfg.remote_baddr}:{port}", shell=True) + ksft_eq(nc.stdout.strip(), test_string) + +def _set_offload_checksum(cfg, netnl, on) -> None: + try: + ethtool(f" -K {cfg.ifname} rx {on} tx {on} ") + except: + return + +def _set_xdp_generic_sb_on(cfg) -> None: + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) + cmd(f"ip link set dev {cfg.ifname} mtu 1500 xdpgeneric obj {prog} sec xdp", shell=True) + defer(cmd, f"ip link set dev {cfg.ifname} xdpgeneric off") + + if no_sleep != True: + time.sleep(10) + +def _set_xdp_generic_mb_on(cfg) -> None: + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + cmd(f"ip link set dev {remote_ifname} mtu 9000", shell=True, host=cfg.remote) + defer(ip, f"link set dev {remote_ifname} mtu 1500", host=cfg.remote) + ip("link set dev %s mtu 9000 xdpgeneric obj %s sec xdp.frags" % (cfg.ifname, prog)) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdpgeneric off") + + if no_sleep != True: + time.sleep(10) + +def _set_xdp_native_sb_on(cfg) -> None: + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) + cmd(f"ip -j link set dev {cfg.ifname} mtu 1500 xdp obj {prog} sec xdp", shell=True) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off") + xdp_info = ip("-d link show %s" % (cfg.ifname), json=True)[0] + if xdp_info['xdp']['mode'] != 1: + """ + If the interface doesn't support native-mode, it falls back to generic mode. + The mode value 1 is native and 2 is generic. + So it raises an exception if mode is not 1(native mode). + """ + raise KsftSkipEx('device does not support native-XDP') + + if no_sleep != True: + time.sleep(10) + +def _set_xdp_native_mb_on(cfg) -> None: + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + cmd(f"ip link set dev {remote_ifname} mtu 9000", shell=True, host=cfg.remote) + defer(ip, f"link set dev {remote_ifname} mtu 1500", host=cfg.remote) + try: + cmd(f"ip link set dev {cfg.ifname} mtu 9000 xdp obj {prog} sec xdp.frags", shell=True) + defer(ip, f"link set dev {cfg.ifname} mtu 1500 xdp off") + except Exception as e: + raise KsftSkipEx('device does not support native-multi-buffer XDP') + + if no_sleep != True: + time.sleep(10) + +def _set_xdp_offload_on(cfg) -> None: + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + cmd(f"ip link set dev {cfg.ifname} mtu 1500", shell=True) + try: + cmd(f"ip link set dev {cfg.ifname} xdpoffload obj {prog} sec xdp", shell=True) + except Exception as e: + raise KsftSkipEx('device does not support offloaded XDP') + defer(ip, f"link set dev {cfg.ifname} xdpoffload off") + cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) + + if no_sleep != True: + time.sleep(10) + +def get_interface_info(cfg) -> None: + global remote_ifname + global no_sleep + + remote_info = cmd(f"ip -4 -o addr show to {cfg.remote_addr_v['4']} | awk '{{print $2}}'", shell=True, host=cfg.remote).stdout + remote_ifname = remote_info.rstrip('\n') + if remote_ifname == "": + raise KsftFailEx('Can not get remote interface') + local_info = ip("-d link show %s" % (cfg.ifname), json=True)[0] + if 'parentbus' in local_info and local_info['parentbus'] == "netdevsim": + no_sleep=True + if 'linkinfo' in local_info and local_info['linkinfo']['info_kind'] == "veth": + no_sleep=True + +def set_interface_init(cfg) -> None: + cmd(f"ip link set dev {cfg.ifname} mtu 1500", shell=True) + cmd(f"ip link set dev {cfg.ifname} xdp off ", shell=True) + cmd(f"ip link set dev {cfg.ifname} xdpgeneric off ", shell=True) + cmd(f"ip link set dev {cfg.ifname} xdpoffload off", shell=True) + cmd(f"ip link set dev {remote_ifname} mtu 1500", shell=True, host=cfg.remote) + +def test_default(cfg, netnl) -> None: + _set_offload_checksum(cfg, netnl, "off") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + _set_offload_checksum(cfg, netnl, "on") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + +def test_xdp_generic_sb(cfg, netnl) -> None: + _set_xdp_generic_sb_on(cfg) + _set_offload_checksum(cfg, netnl, "off") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + _set_offload_checksum(cfg, netnl, "on") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + +def test_xdp_generic_mb(cfg, netnl) -> None: + _set_xdp_generic_mb_on(cfg) + _set_offload_checksum(cfg, netnl, "off") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + _set_offload_checksum(cfg, netnl, "on") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + +def test_xdp_native_sb(cfg, netnl) -> None: + _set_xdp_native_sb_on(cfg) + _set_offload_checksum(cfg, netnl, "off") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + _set_offload_checksum(cfg, netnl, "on") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + +def test_xdp_native_mb(cfg, netnl) -> None: + _set_xdp_native_mb_on(cfg) + _set_offload_checksum(cfg, netnl, "off") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + _set_offload_checksum(cfg, netnl, "on") + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) + +def test_xdp_offload(cfg, netnl) -> None: + _set_xdp_offload_on(cfg) + _test_v4(cfg) + _test_v6(cfg) + _test_tcp(cfg) def main() -> None: with NetDrvEpEnv(__file__) as cfg: - ksft_run(globs=globals(), case_pfx={"test_"}, args=(cfg, )) + get_interface_info(cfg) + set_interface_init(cfg) + ksft_run([test_default, + test_xdp_generic_sb, + test_xdp_generic_mb, + test_xdp_native_sb, + test_xdp_native_mb, + test_xdp_offload], + args=(cfg, EthtoolFamily())) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/queues.py b/tools/testing/selftests/drivers/net/queues.py index 38303da957ee..cae923f84f69 100755 --- a/tools/testing/selftests/drivers/net/queues.py +++ b/tools/testing/selftests/drivers/net/queues.py @@ -2,13 +2,15 @@ # SPDX-License-Identifier: GPL-2.0 from lib.py import ksft_disruptive, ksft_exit, ksft_run -from lib.py import ksft_eq, ksft_raises, KsftSkipEx +from lib.py import ksft_eq, ksft_not_in, ksft_raises, KsftSkipEx, KsftFailEx from lib.py import EthtoolFamily, NetdevFamily, NlError from lib.py import NetDrvEnv -from lib.py import cmd, defer, ip +from lib.py import bkg, cmd, defer, ip import errno import glob - +import os +import socket +import struct def sys_get_queues(ifname, qtype='rx') -> int: folders = glob.glob(f'/sys/class/net/{ifname}/queues/{qtype}-*') @@ -22,6 +24,40 @@ def nl_get_queues(cfg, nl, qtype='rx'): return None +def check_xsk(cfg, nl, xdp_queue_id=0) -> None: + # Probe for support + xdp = cmd(cfg.rpath("xdp_helper") + ' - -', fail=False) + if xdp.ret == 255: + raise KsftSkipEx('AF_XDP unsupported') + elif xdp.ret > 0: + raise KsftFailEx('unable to create AF_XDP socket') + + with bkg(f'{cfg.rpath("xdp_helper")} {cfg.ifindex} {xdp_queue_id}', + ksft_wait=3): + + rx = tx = False + + queues = nl.queue_get({'ifindex': cfg.ifindex}, dump=True) + if not queues: + raise KsftSkipEx("Netlink reports no queues") + + for q in queues: + if q['id'] == 0: + if q['type'] == 'rx': + rx = True + if q['type'] == 'tx': + tx = True + + ksft_eq(q.get('xsk', None), {}, + comment="xsk attr on queue we configured") + else: + ksft_not_in('xsk', q, + comment="xsk attr on queue we didn't configure") + + ksft_eq(rx, True) + ksft_eq(tx, True) + + def get_queues(cfg, nl) -> None: snl = NetdevFamily(recv_size=4096) @@ -45,10 +81,9 @@ def addremove_queues(cfg, nl) -> None: netnl = EthtoolFamily() channels = netnl.channels_get({'header': {'dev-index': cfg.ifindex}}) - if channels['combined-count'] == 0: - rx_type = 'rx' - else: - rx_type = 'combined' + rx_type = 'rx' + if channels.get('combined-count', 0) > 0: + rx_type = 'combined' expected = curr_queues - 1 cmd(f"ethtool -L {cfg.dev['ifname']} {rx_type} {expected}", timeout=10) @@ -81,7 +116,8 @@ def check_down(cfg, nl) -> None: def main() -> None: with NetDrvEnv(__file__, queue_count=100) as cfg: - ksft_run([get_queues, addremove_queues, check_down], args=(cfg, NetdevFamily())) + ksft_run([get_queues, addremove_queues, check_down, check_xsk], + args=(cfg, NetdevFamily())) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/stats.py b/tools/testing/selftests/drivers/net/stats.py index 031ac9def6c0..efcc1e10575b 100755 --- a/tools/testing/selftests/drivers/net/stats.py +++ b/tools/testing/selftests/drivers/net/stats.py @@ -2,12 +2,15 @@ # SPDX-License-Identifier: GPL-2.0 import errno +import subprocess +import time from lib.py import ksft_run, ksft_exit, ksft_pr -from lib.py import ksft_ge, ksft_eq, ksft_in, ksft_true, ksft_raises, KsftSkipEx, KsftXfailEx +from lib.py import ksft_ge, ksft_eq, ksft_is, ksft_in, ksft_lt, ksft_true, ksft_raises +from lib.py import KsftSkipEx, KsftXfailEx from lib.py import ksft_disruptive from lib.py import EthtoolFamily, NetdevFamily, RtnlFamily, NlError from lib.py import NetDrvEnv -from lib.py import ip, defer +from lib.py import cmd, ip, defer ethnl = EthtoolFamily() netfam = NetdevFamily() @@ -174,10 +177,95 @@ def check_down(cfg) -> None: netfam.qstats_get({"ifindex": cfg.ifindex, "scope": "queue"}, dump=True) +def __run_inf_loop(body): + body = body.strip() + if body[-1] != ';': + body += ';' + + return subprocess.Popen(f"while true; do {body} done", shell=True, + stdout=subprocess.PIPE, stderr=subprocess.PIPE) + + +def __stats_increase_sanely(old, new) -> None: + for k in old.keys(): + ksft_ge(new[k], old[k]) + ksft_lt(new[k] - old[k], 1 << 31, comment="likely wrapping error") + + +def procfs_hammer(cfg) -> None: + """ + Reading stats via procfs only holds the RCU lock, which is not an exclusive + lock, make sure drivers can handle parallel reads of stats. + """ + one = __run_inf_loop("cat /proc/net/dev") + defer(one.kill) + two = __run_inf_loop("cat /proc/net/dev") + defer(two.kill) + + time.sleep(1) + # Make sure the processes are running + ksft_is(one.poll(), None) + ksft_is(two.poll(), None) + + rtstat1 = rtnl.getlink({"ifi-index": cfg.ifindex})['stats64'] + time.sleep(2) + rtstat2 = rtnl.getlink({"ifi-index": cfg.ifindex})['stats64'] + __stats_increase_sanely(rtstat1, rtstat2) + # defers will kill the loops + + +@ksft_disruptive +def procfs_downup_hammer(cfg) -> None: + """ + Reading stats via procfs only holds the RCU lock, drivers often try + to sleep when reading the stats, or don't protect against races. + """ + # Max out the queues, we'll flip between max and 1 + channels = ethnl.channels_get({'header': {'dev-index': cfg.ifindex}}) + if channels['combined-count'] == 0: + rx_type = 'rx' + else: + rx_type = 'combined' + cur_queue_cnt = channels[f'{rx_type}-count'] + max_queue_cnt = channels[f'{rx_type}-max'] + + cmd(f"ethtool -L {cfg.ifname} {rx_type} {max_queue_cnt}") + defer(cmd, f"ethtool -L {cfg.ifname} {rx_type} {cur_queue_cnt}") + + # Real test stats + stats = __run_inf_loop("cat /proc/net/dev") + defer(stats.kill) + + ipset = f"ip link set dev {cfg.ifname}" + defer(ip, f"link set dev {cfg.ifname} up") + # The "echo -n 1" lets us count iterations below + updown = f"{ipset} down; sleep 0.05; {ipset} up; sleep 0.05; " + \ + f"ethtool -L {cfg.ifname} {rx_type} 1; " + \ + f"ethtool -L {cfg.ifname} {rx_type} {max_queue_cnt}; " + \ + "echo -n 1" + updown = __run_inf_loop(updown) + kill_updown = defer(updown.kill) + + time.sleep(1) + # Make sure the processes are running + ksft_is(stats.poll(), None) + ksft_is(updown.poll(), None) + + rtstat1 = rtnl.getlink({"ifi-index": cfg.ifindex})['stats64'] + # We're looking for crashes, give it extra time + time.sleep(9) + rtstat2 = rtnl.getlink({"ifi-index": cfg.ifindex})['stats64'] + __stats_increase_sanely(rtstat1, rtstat2) + + kill_updown.exec() + stdout, _ = updown.communicate(timeout=5) + ksft_pr("completed up/down cycles:", len(stdout.decode('utf-8'))) + + def main() -> None: with NetDrvEnv(__file__, queue_count=100) as cfg: ksft_run([check_pause, check_fec, pkt_byte_sum, qstat_by_ifindex, - check_down], + check_down, procfs_hammer, procfs_downup_hammer], args=(cfg, )) ksft_exit() diff --git a/tools/testing/selftests/drivers/net/xdp_helper.c b/tools/testing/selftests/drivers/net/xdp_helper.c new file mode 100644 index 000000000000..aeed25914104 --- /dev/null +++ b/tools/testing/selftests/drivers/net/xdp_helper.c @@ -0,0 +1,151 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/mman.h> +#include <sys/socket.h> +#include <linux/if_xdp.h> +#include <linux/if_link.h> +#include <net/if.h> +#include <inttypes.h> + +#define UMEM_SZ (1U << 16) +#define NUM_DESC (UMEM_SZ / 2048) + +/* Move this to a common header when reused! */ +static void ksft_ready(void) +{ + const char msg[7] = "ready\n"; + char *env_str; + int fd; + + env_str = getenv("KSFT_READY_FD"); + if (env_str) { + fd = atoi(env_str); + if (!fd) { + fprintf(stderr, "invalid KSFT_READY_FD = '%s'\n", + env_str); + return; + } + } else { + fd = STDOUT_FILENO; + } + + write(fd, msg, sizeof(msg)); + if (fd != STDOUT_FILENO) + close(fd); +} + +static void ksft_wait(void) +{ + char *env_str; + char byte; + int fd; + + env_str = getenv("KSFT_WAIT_FD"); + if (env_str) { + fd = atoi(env_str); + if (!fd) { + fprintf(stderr, "invalid KSFT_WAIT_FD = '%s'\n", + env_str); + return; + } + } else { + /* Not running in KSFT env, wait for input from STDIN instead */ + fd = STDIN_FILENO; + } + + read(fd, &byte, sizeof(byte)); + if (fd != STDIN_FILENO) + close(fd); +} + +/* this is a simple helper program that creates an XDP socket and does the + * minimum necessary to get bind() to succeed. + * + * this test program is not intended to actually process packets, but could be + * extended in the future if that is actually needed. + * + * it is used by queues.py to ensure the xsk netlinux attribute is set + * correctly. + */ +int main(int argc, char **argv) +{ + struct xdp_umem_reg umem_reg = { 0 }; + struct sockaddr_xdp sxdp = { 0 }; + int num_desc = NUM_DESC; + void *umem_area; + int ifindex; + int sock_fd; + int queue; + + if (argc != 3) { + fprintf(stderr, "Usage: %s ifindex queue_id\n", argv[0]); + return 1; + } + + sock_fd = socket(AF_XDP, SOCK_RAW, 0); + if (sock_fd < 0) { + perror("socket creation failed"); + /* if the kernel doesn't support AF_XDP, let the test program + * know with -1. All other error paths return 1. + */ + if (errno == EAFNOSUPPORT) + return -1; + return 1; + } + + /* "Probing mode", just checking if AF_XDP sockets are supported */ + if (!strcmp(argv[1], "-") && !strcmp(argv[2], "-")) { + printf("AF_XDP support detected\n"); + close(sock_fd); + return 0; + } + + ifindex = atoi(argv[1]); + queue = atoi(argv[2]); + + umem_area = mmap(NULL, UMEM_SZ, PROT_READ | PROT_WRITE, MAP_PRIVATE | + MAP_ANONYMOUS, -1, 0); + if (umem_area == MAP_FAILED) { + perror("mmap failed"); + return 1; + } + + umem_reg.addr = (uintptr_t)umem_area; + umem_reg.len = UMEM_SZ; + umem_reg.chunk_size = 2048; + umem_reg.headroom = 0; + + setsockopt(sock_fd, SOL_XDP, XDP_UMEM_REG, &umem_reg, + sizeof(umem_reg)); + setsockopt(sock_fd, SOL_XDP, XDP_UMEM_FILL_RING, &num_desc, + sizeof(num_desc)); + setsockopt(sock_fd, SOL_XDP, XDP_UMEM_COMPLETION_RING, &num_desc, + sizeof(num_desc)); + setsockopt(sock_fd, SOL_XDP, XDP_RX_RING, &num_desc, sizeof(num_desc)); + + sxdp.sxdp_family = AF_XDP; + sxdp.sxdp_ifindex = ifindex; + sxdp.sxdp_queue_id = queue; + sxdp.sxdp_flags = 0; + + if (bind(sock_fd, (struct sockaddr *)&sxdp, sizeof(sxdp)) != 0) { + munmap(umem_area, UMEM_SZ); + perror("bind failed"); + close(sock_fd); + return 1; + } + + ksft_ready(); + ksft_wait(); + + /* parent program will write a byte to stdin when its ready for this + * helper to exit + */ + + close(sock_fd); + return 0; +} diff --git a/tools/testing/selftests/drivers/ntsync/.gitignore b/tools/testing/selftests/drivers/ntsync/.gitignore new file mode 100644 index 000000000000..848573a3d3ea --- /dev/null +++ b/tools/testing/selftests/drivers/ntsync/.gitignore @@ -0,0 +1 @@ +ntsync diff --git a/tools/testing/selftests/drivers/ntsync/Makefile b/tools/testing/selftests/drivers/ntsync/Makefile new file mode 100644 index 000000000000..dbf2b055c0b2 --- /dev/null +++ b/tools/testing/selftests/drivers/ntsync/Makefile @@ -0,0 +1,7 @@ +# SPDX-LICENSE-IDENTIFIER: GPL-2.0-only +TEST_GEN_PROGS := ntsync + +CFLAGS += $(KHDR_INCLUDES) +LDLIBS += -lpthread + +include ../../lib.mk diff --git a/tools/testing/selftests/drivers/ntsync/config b/tools/testing/selftests/drivers/ntsync/config new file mode 100644 index 000000000000..60539c826d06 --- /dev/null +++ b/tools/testing/selftests/drivers/ntsync/config @@ -0,0 +1 @@ +CONFIG_WINESYNC=y diff --git a/tools/testing/selftests/drivers/ntsync/ntsync.c b/tools/testing/selftests/drivers/ntsync/ntsync.c new file mode 100644 index 000000000000..3aad311574c4 --- /dev/null +++ b/tools/testing/selftests/drivers/ntsync/ntsync.c @@ -0,0 +1,1343 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Various unit tests for the "ntsync" synchronization primitive driver. + * + * Copyright (C) 2021-2022 Elizabeth Figura <zfigura@codeweavers.com> + */ + +#define _GNU_SOURCE +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <pthread.h> +#include <linux/ntsync.h> +#include "../../kselftest_harness.h" + +static int read_sem_state(int sem, __u32 *count, __u32 *max) +{ + struct ntsync_sem_args args; + int ret; + + memset(&args, 0xcc, sizeof(args)); + ret = ioctl(sem, NTSYNC_IOC_SEM_READ, &args); + *count = args.count; + *max = args.max; + return ret; +} + +#define check_sem_state(sem, count, max) \ + ({ \ + __u32 __count, __max; \ + int ret = read_sem_state((sem), &__count, &__max); \ + EXPECT_EQ(0, ret); \ + EXPECT_EQ((count), __count); \ + EXPECT_EQ((max), __max); \ + }) + +static int release_sem(int sem, __u32 *count) +{ + return ioctl(sem, NTSYNC_IOC_SEM_RELEASE, count); +} + +static int read_mutex_state(int mutex, __u32 *count, __u32 *owner) +{ + struct ntsync_mutex_args args; + int ret; + + memset(&args, 0xcc, sizeof(args)); + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &args); + *count = args.count; + *owner = args.owner; + return ret; +} + +#define check_mutex_state(mutex, count, owner) \ + ({ \ + __u32 __count, __owner; \ + int ret = read_mutex_state((mutex), &__count, &__owner); \ + EXPECT_EQ(0, ret); \ + EXPECT_EQ((count), __count); \ + EXPECT_EQ((owner), __owner); \ + }) + +static int unlock_mutex(int mutex, __u32 owner, __u32 *count) +{ + struct ntsync_mutex_args args; + int ret; + + args.owner = owner; + args.count = 0xdeadbeef; + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_UNLOCK, &args); + *count = args.count; + return ret; +} + +static int read_event_state(int event, __u32 *signaled, __u32 *manual) +{ + struct ntsync_event_args args; + int ret; + + memset(&args, 0xcc, sizeof(args)); + ret = ioctl(event, NTSYNC_IOC_EVENT_READ, &args); + *signaled = args.signaled; + *manual = args.manual; + return ret; +} + +#define check_event_state(event, signaled, manual) \ + ({ \ + __u32 __signaled, __manual; \ + int ret = read_event_state((event), &__signaled, &__manual); \ + EXPECT_EQ(0, ret); \ + EXPECT_EQ((signaled), __signaled); \ + EXPECT_EQ((manual), __manual); \ + }) + +static int wait_objs(int fd, unsigned long request, __u32 count, + const int *objs, __u32 owner, int alert, __u32 *index) +{ + struct ntsync_wait_args args = {0}; + struct timespec timeout; + int ret; + + clock_gettime(CLOCK_MONOTONIC, &timeout); + + args.timeout = timeout.tv_sec * 1000000000 + timeout.tv_nsec; + args.count = count; + args.objs = (uintptr_t)objs; + args.owner = owner; + args.index = 0xdeadbeef; + args.alert = alert; + ret = ioctl(fd, request, &args); + *index = args.index; + return ret; +} + +static int wait_any(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, count, objs, owner, 0, index); +} + +static int wait_all(int fd, __u32 count, const int *objs, __u32 owner, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, count, objs, owner, 0, index); +} + +static int wait_any_alert(int fd, __u32 count, const int *objs, + __u32 owner, int alert, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ANY, + count, objs, owner, alert, index); +} + +static int wait_all_alert(int fd, __u32 count, const int *objs, + __u32 owner, int alert, __u32 *index) +{ + return wait_objs(fd, NTSYNC_IOC_WAIT_ALL, + count, objs, owner, alert, index); +} + +TEST(semaphore_state) +{ + struct ntsync_sem_args sem_args; + struct timespec timeout; + __u32 count, index; + int fd, ret, sem; + + clock_gettime(CLOCK_MONOTONIC, &timeout); + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 3; + sem_args.max = 2; + sem = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_EQ(-1, sem); + EXPECT_EQ(EINVAL, errno); + + sem_args.count = 2; + sem_args.max = 2; + sem = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, sem); + check_sem_state(sem, 2, 2); + + count = 0; + ret = release_sem(sem, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, count); + check_sem_state(sem, 2, 2); + + count = 1; + ret = release_sem(sem, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOVERFLOW, errno); + check_sem_state(sem, 2, 2); + + ret = wait_any(fd, 1, &sem, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem, 1, 2); + + ret = wait_any(fd, 1, &sem, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(sem, 0, 2); + + ret = wait_any(fd, 1, &sem, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + count = 3; + ret = release_sem(sem, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOVERFLOW, errno); + check_sem_state(sem, 0, 2); + + count = 2; + ret = release_sem(sem, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + check_sem_state(sem, 2, 2); + + ret = wait_any(fd, 1, &sem, 123, &index); + EXPECT_EQ(0, ret); + ret = wait_any(fd, 1, &sem, 123, &index); + EXPECT_EQ(0, ret); + + count = 1; + ret = release_sem(sem, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + check_sem_state(sem, 1, 2); + + count = ~0u; + ret = release_sem(sem, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOVERFLOW, errno); + check_sem_state(sem, 1, 2); + + close(sem); + + close(fd); +} + +TEST(mutex_state) +{ + struct ntsync_mutex_args mutex_args; + __u32 owner, count, index; + struct timespec timeout; + int fd, ret, mutex; + + clock_gettime(CLOCK_MONOTONIC, &timeout); + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + mutex_args.owner = 123; + mutex_args.count = 0; + mutex = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_EQ(-1, mutex); + EXPECT_EQ(EINVAL, errno); + + mutex_args.owner = 0; + mutex_args.count = 2; + mutex = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_EQ(-1, mutex); + EXPECT_EQ(EINVAL, errno); + + mutex_args.owner = 123; + mutex_args.count = 2; + mutex = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, mutex); + check_mutex_state(mutex, 2, 123); + + ret = unlock_mutex(mutex, 0, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + ret = unlock_mutex(mutex, 456, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EPERM, errno); + check_mutex_state(mutex, 2, 123); + + ret = unlock_mutex(mutex, 123, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, count); + check_mutex_state(mutex, 1, 123); + + ret = unlock_mutex(mutex, 123, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, count); + check_mutex_state(mutex, 0, 0); + + ret = unlock_mutex(mutex, 123, &count); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EPERM, errno); + + ret = wait_any(fd, 1, &mutex, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_mutex_state(mutex, 1, 456); + + ret = wait_any(fd, 1, &mutex, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_mutex_state(mutex, 2, 456); + + ret = unlock_mutex(mutex, 456, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, count); + check_mutex_state(mutex, 1, 456); + + ret = wait_any(fd, 1, &mutex, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + owner = 0; + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + owner = 123; + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EPERM, errno); + check_mutex_state(mutex, 1, 456); + + owner = 456; + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(0, ret); + + memset(&mutex_args, 0xcc, sizeof(mutex_args)); + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(0, mutex_args.count); + EXPECT_EQ(0, mutex_args.owner); + + memset(&mutex_args, 0xcc, sizeof(mutex_args)); + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(0, mutex_args.count); + EXPECT_EQ(0, mutex_args.owner); + + ret = wait_any(fd, 1, &mutex, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(0, index); + check_mutex_state(mutex, 1, 123); + + owner = 123; + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(0, ret); + + memset(&mutex_args, 0xcc, sizeof(mutex_args)); + ret = ioctl(mutex, NTSYNC_IOC_MUTEX_READ, &mutex_args); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(0, mutex_args.count); + EXPECT_EQ(0, mutex_args.owner); + + ret = wait_any(fd, 1, &mutex, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(0, index); + check_mutex_state(mutex, 1, 123); + + close(mutex); + + mutex_args.owner = 0; + mutex_args.count = 0; + mutex = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, mutex); + check_mutex_state(mutex, 0, 0); + + ret = wait_any(fd, 1, &mutex, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_mutex_state(mutex, 1, 123); + + close(mutex); + + mutex_args.owner = 123; + mutex_args.count = ~0u; + mutex = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, mutex); + check_mutex_state(mutex, ~0u, 123); + + ret = wait_any(fd, 1, &mutex, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + close(mutex); + + close(fd); +} + +TEST(manual_event_state) +{ + struct ntsync_event_args event_args; + __u32 index, signaled; + int fd, event, ret; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + event_args.manual = 1; + event_args.signaled = 0; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + check_event_state(event, 0, 1); + + signaled = 0xdeadbeef; + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(event, 1, 1); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + check_event_state(event, 1, 1); + + ret = wait_any(fd, 1, &event, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_event_state(event, 1, 1); + + signaled = 0xdeadbeef; + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + check_event_state(event, 0, 1); + + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(event, 0, 1); + + ret = wait_any(fd, 1, &event, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + + ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + check_event_state(event, 0, 1); + + ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(event, 0, 1); + + close(event); + + close(fd); +} + +TEST(auto_event_state) +{ + struct ntsync_event_args event_args; + __u32 index, signaled; + int fd, event, ret; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + event_args.manual = 0; + event_args.signaled = 1; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + + check_event_state(event, 1, 0); + + signaled = 0xdeadbeef; + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + check_event_state(event, 1, 0); + + ret = wait_any(fd, 1, &event, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_event_state(event, 0, 0); + + signaled = 0xdeadbeef; + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(event, 0, 0); + + ret = wait_any(fd, 1, &event, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + + ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + check_event_state(event, 0, 0); + + ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(event, 0, 0); + + close(event); + + close(fd); +} + +TEST(test_wait_any) +{ + int objs[NTSYNC_MAX_WAIT_COUNT + 1], fd, ret; + struct ntsync_mutex_args mutex_args = {0}; + struct ntsync_sem_args sem_args = {0}; + __u32 owner, index, count, i; + struct timespec timeout; + + clock_gettime(CLOCK_MONOTONIC, &timeout); + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 2; + sem_args.max = 3; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + mutex_args.owner = 0; + mutex_args.count = 0; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, objs[1]); + + ret = wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 1, 3); + check_mutex_state(objs[1], 0, 0); + + ret = wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 0, 0); + + ret = wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 1, 123); + + count = 1; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + ret = wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 1, 123); + + ret = wait_any(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 2, 123); + + ret = wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + owner = 123; + ret = ioctl(objs[1], NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(0, ret); + + ret = wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + EXPECT_EQ(1, index); + + ret = wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + + close(objs[1]); + + /* test waiting on the same object twice */ + + count = 2; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + objs[1] = objs[0]; + ret = wait_any(fd, 2, objs, 456, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 1, 3); + + ret = wait_any(fd, 0, NULL, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + for (i = 1; i < NTSYNC_MAX_WAIT_COUNT + 1; ++i) + objs[i] = objs[0]; + + ret = wait_any(fd, NTSYNC_MAX_WAIT_COUNT, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_any(fd, NTSYNC_MAX_WAIT_COUNT + 1, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + ret = wait_any(fd, -1, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + close(objs[0]); + + close(fd); +} + +TEST(test_wait_all) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_mutex_args mutex_args = {0}; + struct ntsync_sem_args sem_args = {0}; + __u32 owner, index, count; + int objs[2], fd, ret; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 2; + sem_args.max = 3; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + mutex_args.owner = 0; + mutex_args.count = 0; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, objs[1]); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 1, 3); + check_mutex_state(objs[1], 1, 123); + + ret = wait_all(fd, 2, objs, 456, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + check_sem_state(objs[0], 1, 3); + check_mutex_state(objs[1], 1, 123); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 2, 123); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + check_sem_state(objs[0], 0, 3); + check_mutex_state(objs[1], 2, 123); + + count = 3; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 2, 3); + check_mutex_state(objs[1], 3, 123); + + owner = 123; + ret = ioctl(objs[1], NTSYNC_IOC_MUTEX_KILL, &owner); + EXPECT_EQ(0, ret); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EOWNERDEAD, errno); + check_sem_state(objs[0], 1, 3); + check_mutex_state(objs[1], 1, 123); + + close(objs[1]); + + event_args.manual = true; + event_args.signaled = true; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, objs[1]); + + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + check_sem_state(objs[0], 0, 3); + check_event_state(objs[1], 1, 1); + + close(objs[1]); + + /* test waiting on the same object twice */ + objs[1] = objs[0]; + ret = wait_all(fd, 2, objs, 123, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(EINVAL, errno); + + close(objs[0]); + + close(fd); +} + +struct wake_args { + int fd; + int obj; +}; + +struct wait_args { + int fd; + unsigned long request; + struct ntsync_wait_args *args; + int ret; + int err; +}; + +static void *wait_thread(void *arg) +{ + struct wait_args *args = arg; + + args->ret = ioctl(args->fd, args->request, args->args); + args->err = errno; + return NULL; +} + +static __u64 get_abs_timeout(unsigned int ms) +{ + struct timespec timeout; + clock_gettime(CLOCK_MONOTONIC, &timeout); + return (timeout.tv_sec * 1000000000) + timeout.tv_nsec + (ms * 1000000); +} + +static int wait_for_thread(pthread_t thread, unsigned int ms) +{ + struct timespec timeout; + + clock_gettime(CLOCK_REALTIME, &timeout); + timeout.tv_nsec += ms * 1000000; + timeout.tv_sec += (timeout.tv_nsec / 1000000000); + timeout.tv_nsec %= 1000000000; + return pthread_timedjoin_np(thread, NULL, &timeout); +} + +TEST(wake_any) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_mutex_args mutex_args = {0}; + struct ntsync_wait_args wait_args = {0}; + struct ntsync_sem_args sem_args = {0}; + struct wait_args thread_args; + __u32 count, index, signaled; + int objs[2], fd, ret; + pthread_t thread; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 0; + sem_args.max = 3; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + mutex_args.owner = 123; + mutex_args.count = 1; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, objs[1]); + + /* test waking the semaphore */ + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 456; + wait_args.index = 0xdeadbeef; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ANY; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + count = 1; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + check_sem_state(objs[0], 0, 3); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(0, wait_args.index); + + /* test waking the mutex */ + + /* first grab it again for owner 123 */ + ret = wait_any(fd, 1, &objs[1], 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.owner = 456; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = unlock_mutex(objs[1], 123, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, count); + + ret = pthread_tryjoin_np(thread, NULL); + EXPECT_EQ(EBUSY, ret); + + ret = unlock_mutex(objs[1], 123, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, mutex_args.count); + check_mutex_state(objs[1], 1, 456); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(1, wait_args.index); + + close(objs[1]); + + /* test waking events */ + + event_args.manual = false; + event_args.signaled = false; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, objs[1]); + + wait_args.timeout = get_abs_timeout(1000); + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(objs[1], 0, 0); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(1, wait_args.index); + + wait_args.timeout = get_abs_timeout(1000); + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(objs[1], 0, 0); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(1, wait_args.index); + + close(objs[1]); + + event_args.manual = true; + event_args.signaled = false; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, objs[1]); + + wait_args.timeout = get_abs_timeout(1000); + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(objs[1], NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(objs[1], 1, 1); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(1, wait_args.index); + + ret = ioctl(objs[1], NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + + wait_args.timeout = get_abs_timeout(1000); + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(objs[1], NTSYNC_IOC_EVENT_PULSE, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + check_event_state(objs[1], 0, 1); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(1, wait_args.index); + + /* delete an object while it's being waited on */ + + wait_args.timeout = get_abs_timeout(200); + wait_args.owner = 123; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + close(objs[0]); + close(objs[1]); + + ret = wait_for_thread(thread, 200); + EXPECT_EQ(0, ret); + EXPECT_EQ(-1, thread_args.ret); + EXPECT_EQ(ETIMEDOUT, thread_args.err); + + close(fd); +} + +TEST(wake_all) +{ + struct ntsync_event_args manual_event_args = {0}; + struct ntsync_event_args auto_event_args = {0}; + struct ntsync_mutex_args mutex_args = {0}; + struct ntsync_wait_args wait_args = {0}; + struct ntsync_sem_args sem_args = {0}; + struct wait_args thread_args; + __u32 count, index, signaled; + int objs[4], fd, ret; + pthread_t thread; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 0; + sem_args.max = 3; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + mutex_args.owner = 123; + mutex_args.count = 1; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, objs[1]); + + manual_event_args.manual = true; + manual_event_args.signaled = true; + objs[2] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &manual_event_args); + EXPECT_LE(0, objs[2]); + + auto_event_args.manual = false; + auto_event_args.signaled = true; + objs[3] = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &auto_event_args); + EXPECT_EQ(0, objs[3]); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 4; + wait_args.owner = 456; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ALL; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + count = 1; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + + ret = pthread_tryjoin_np(thread, NULL); + EXPECT_EQ(EBUSY, ret); + + check_sem_state(objs[0], 1, 3); + + ret = wait_any(fd, 1, &objs[0], 123, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = unlock_mutex(objs[1], 123, &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, count); + + ret = pthread_tryjoin_np(thread, NULL); + EXPECT_EQ(EBUSY, ret); + + check_mutex_state(objs[1], 0, 0); + + ret = ioctl(objs[2], NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + + count = 2; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, count); + check_sem_state(objs[0], 2, 3); + + ret = ioctl(objs[3], NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, signaled); + + ret = ioctl(objs[2], NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + + ret = ioctl(objs[3], NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, signaled); + + check_sem_state(objs[0], 1, 3); + check_mutex_state(objs[1], 1, 456); + check_event_state(objs[2], 1, 1); + check_event_state(objs[3], 0, 0); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + + /* delete an object while it's being waited on */ + + wait_args.timeout = get_abs_timeout(200); + wait_args.owner = 123; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + close(objs[0]); + close(objs[1]); + close(objs[2]); + close(objs[3]); + + ret = wait_for_thread(thread, 200); + EXPECT_EQ(0, ret); + EXPECT_EQ(-1, thread_args.ret); + EXPECT_EQ(ETIMEDOUT, thread_args.err); + + close(fd); +} + +TEST(alert_any) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; + struct ntsync_sem_args sem_args = {0}; + __u32 index, count, signaled; + struct wait_args thread_args; + int objs[2], event, fd, ret; + pthread_t thread; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 0; + sem_args.max = 2; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + sem_args.count = 1; + sem_args.max = 2; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[1]); + + event_args.manual = true; + event_args.signaled = true; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + + ret = wait_any_alert(fd, 0, NULL, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 0, NULL, 123, event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(1, index); + + ret = wait_any_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + /* test wakeup via alert */ + + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ANY; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + + close(event); + + /* test with an auto-reset event */ + + event_args.manual = false; + event_args.signaled = true; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + + count = 1; + ret = release_sem(objs[0], &count); + EXPECT_EQ(0, ret); + + ret = wait_any_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_any_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + ret = wait_any_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + close(event); + + close(objs[0]); + close(objs[1]); + + close(fd); +} + +TEST(alert_all) +{ + struct ntsync_event_args event_args = {0}; + struct ntsync_wait_args wait_args = {0}; + struct ntsync_sem_args sem_args = {0}; + struct wait_args thread_args; + __u32 index, count, signaled; + int objs[2], event, fd, ret; + pthread_t thread; + + fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, fd); + + sem_args.count = 2; + sem_args.max = 2; + objs[0] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[0]); + + sem_args.count = 1; + sem_args.max = 2; + objs[1] = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args); + EXPECT_LE(0, objs[1]); + + event_args.manual = true; + event_args.signaled = true; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + + ret = wait_all_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_all_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + /* test wakeup via alert */ + + ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled); + EXPECT_EQ(0, ret); + + wait_args.timeout = get_abs_timeout(1000); + wait_args.objs = (uintptr_t)objs; + wait_args.count = 2; + wait_args.owner = 123; + wait_args.index = 0xdeadbeef; + wait_args.alert = event; + thread_args.fd = fd; + thread_args.args = &wait_args; + thread_args.request = NTSYNC_IOC_WAIT_ALL; + ret = pthread_create(&thread, NULL, wait_thread, &thread_args); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(ETIMEDOUT, ret); + + ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + ret = wait_for_thread(thread, 100); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, thread_args.ret); + EXPECT_EQ(2, wait_args.index); + + close(event); + + /* test with an auto-reset event */ + + event_args.manual = false; + event_args.signaled = true; + event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, event); + + count = 2; + ret = release_sem(objs[1], &count); + EXPECT_EQ(0, ret); + + ret = wait_all_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(0, index); + + ret = wait_all_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(0, ret); + EXPECT_EQ(2, index); + + ret = wait_all_alert(fd, 2, objs, 123, event, &index); + EXPECT_EQ(-1, ret); + EXPECT_EQ(ETIMEDOUT, errno); + + close(event); + + close(objs[0]); + close(objs[1]); + + close(fd); +} + +#define STRESS_LOOPS 10000 +#define STRESS_THREADS 4 + +static unsigned int stress_counter; +static int stress_device, stress_start_event, stress_mutex; + +static void *stress_thread(void *arg) +{ + struct ntsync_wait_args wait_args = {0}; + __u32 index, count, i; + int ret; + + wait_args.timeout = UINT64_MAX; + wait_args.count = 1; + wait_args.objs = (uintptr_t)&stress_start_event; + wait_args.owner = gettid(); + wait_args.index = 0xdeadbeef; + + ioctl(stress_device, NTSYNC_IOC_WAIT_ANY, &wait_args); + + wait_args.objs = (uintptr_t)&stress_mutex; + + for (i = 0; i < STRESS_LOOPS; ++i) { + ioctl(stress_device, NTSYNC_IOC_WAIT_ANY, &wait_args); + + ++stress_counter; + + unlock_mutex(stress_mutex, wait_args.owner, &count); + } + + return NULL; +} + +TEST(stress_wait) +{ + struct ntsync_event_args event_args; + struct ntsync_mutex_args mutex_args; + pthread_t threads[STRESS_THREADS]; + __u32 signaled, i; + int ret; + + stress_device = open("/dev/ntsync", O_CLOEXEC | O_RDONLY); + ASSERT_LE(0, stress_device); + + mutex_args.owner = 0; + mutex_args.count = 0; + stress_mutex = ioctl(stress_device, NTSYNC_IOC_CREATE_MUTEX, &mutex_args); + EXPECT_LE(0, stress_mutex); + + event_args.manual = 1; + event_args.signaled = 0; + stress_start_event = ioctl(stress_device, NTSYNC_IOC_CREATE_EVENT, &event_args); + EXPECT_LE(0, stress_start_event); + + for (i = 0; i < STRESS_THREADS; ++i) + pthread_create(&threads[i], NULL, stress_thread, NULL); + + ret = ioctl(stress_start_event, NTSYNC_IOC_EVENT_SET, &signaled); + EXPECT_EQ(0, ret); + + for (i = 0; i < STRESS_THREADS; ++i) { + ret = pthread_join(threads[i], NULL); + EXPECT_EQ(0, ret); + } + + EXPECT_EQ(STRESS_LOOPS * STRESS_THREADS, stress_counter); + + close(stress_start_event); + close(stress_mutex); + close(stress_device); +} + +TEST_HARNESS_MAIN |