diff options
Diffstat (limited to 'tools/testing/selftests/drivers')
4 files changed, 450 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/dma-buf/config b/tools/testing/selftests/drivers/dma-buf/config new file mode 100644 index 000000000000..d708515cff1b --- /dev/null +++ b/tools/testing/selftests/drivers/dma-buf/config @@ -0,0 +1 @@ +CONFIG_UDMABUF=y diff --git a/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh b/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh new file mode 100755 index 000000000000..e99ae500f387 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/fib_offload.sh @@ -0,0 +1,349 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test unicast FIB offload indication. + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + ipv6_route_add + ipv6_route_replace + ipv6_route_nexthop_group_share + ipv6_route_rate +" +NUM_NETIFS=4 +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh + +tor1_create() +{ + simple_if_init $tor1_p1 2001:db8:1::2/128 2001:db8:1::3/128 +} + +tor1_destroy() +{ + simple_if_fini $tor1_p1 2001:db8:1::2/128 2001:db8:1::3/128 +} + +tor2_create() +{ + simple_if_init $tor2_p1 2001:db8:2::2/128 2001:db8:2::3/128 +} + +tor2_destroy() +{ + simple_if_fini $tor2_p1 2001:db8:2::2/128 2001:db8:2::3/128 +} + +spine_create() +{ + ip link set dev $spine_p1 up + ip link set dev $spine_p2 up + + __addr_add_del $spine_p1 add 2001:db8:1::1/64 + __addr_add_del $spine_p2 add 2001:db8:2::1/64 +} + +spine_destroy() +{ + __addr_add_del $spine_p2 del 2001:db8:2::1/64 + __addr_add_del $spine_p1 del 2001:db8:1::1/64 + + ip link set dev $spine_p2 down + ip link set dev $spine_p1 down +} + +ipv6_offload_check() +{ + local pfx="$1"; shift + local expected_num=$1; shift + local num + + # Try to avoid races with route offload + sleep .1 + + num=$(ip -6 route show match ${pfx} | grep "offload" | wc -l) + + if [ $num -eq $expected_num ]; then + return 0 + fi + + return 1 +} + +ipv6_route_add_prefix() +{ + RET=0 + + # Add a prefix route and check that it is offloaded. + ip -6 route add 2001:db8:3::/64 dev $spine_p1 metric 100 + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 1 + check_err $? "prefix route not offloaded" + + # Append an identical prefix route with an higher metric and check that + # offload indication did not change. + ip -6 route append 2001:db8:3::/64 dev $spine_p1 metric 200 + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 1 + check_err $? "lowest metric not offloaded after append" + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 200" 0 + check_err $? "highest metric offloaded when should not" + + # Prepend an identical prefix route with lower metric and check that + # it is offloaded and the others are not. + ip -6 route append 2001:db8:3::/64 dev $spine_p1 metric 10 + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 10" 1 + check_err $? "lowest metric not offloaded after prepend" + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 100" 0 + check_err $? "mid metric offloaded when should not" + ipv6_offload_check "2001:db8:3::/64 dev $spine_p1 metric 200" 0 + check_err $? "highest metric offloaded when should not" + + # Delete the routes and add the same route with a different nexthop + # device. Check that it is offloaded. + ip -6 route flush 2001:db8:3::/64 dev $spine_p1 + ip -6 route add 2001:db8:3::/64 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 dev $spine_p2" 1 + + log_test "IPv6 prefix route add" + + ip -6 route flush 2001:db8:3::/64 +} + +ipv6_route_add_mpath() +{ + RET=0 + + # Add a multipath route and check that it is offloaded. + ip -6 route add 2001:db8:3::/64 metric 100 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded when should" + + # Append another nexthop and check that it is offloaded as well. + ip -6 route append 2001:db8:3::/64 metric 100 \ + nexthop via 2001:db8:1::3 dev $spine_p1 + ipv6_offload_check "2001:db8:3::/64 metric 100" 3 + check_err $? "appended nexthop not offloaded when should" + + # Mimic route replace by removing the route and adding it back with + # only two nexthops. + ip -6 route del 2001:db8:3::/64 + ip -6 route add 2001:db8:3::/64 metric 100 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded after delete & add" + + # Append a nexthop with an higher metric and check that the offload + # indication did not change. + ip -6 route append 2001:db8:3::/64 metric 200 \ + nexthop via 2001:db8:1::3 dev $spine_p1 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "lowest metric not offloaded after append" + ipv6_offload_check "2001:db8:3::/64 metric 200" 0 + check_err $? "highest metric offloaded when should not" + + # Prepend a nexthop with a lower metric and check that it is offloaded + # and the others are not. + ip -6 route append 2001:db8:3::/64 metric 10 \ + nexthop via 2001:db8:1::3 dev $spine_p1 + ipv6_offload_check "2001:db8:3::/64 metric 10" 1 + check_err $? "lowest metric not offloaded after prepend" + ipv6_offload_check "2001:db8:3::/64 metric 100" 0 + check_err $? "mid metric offloaded when should not" + ipv6_offload_check "2001:db8:3::/64 metric 200" 0 + check_err $? "highest metric offloaded when should not" + + log_test "IPv6 multipath route add" + + ip -6 route flush 2001:db8:3::/64 +} + +ipv6_route_add() +{ + ipv6_route_add_prefix + ipv6_route_add_mpath +} + +ipv6_route_replace() +{ + RET=0 + + # Replace prefix route with prefix route. + ip -6 route add 2001:db8:3::/64 metric 100 dev $spine_p1 + ipv6_offload_check "2001:db8:3::/64 metric 100" 1 + check_err $? "prefix route not offloaded when should" + ip -6 route replace 2001:db8:3::/64 metric 100 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 1 + check_err $? "prefix route not offloaded after replace" + + # Replace prefix route with multipath route. + ip -6 route replace 2001:db8:3::/64 metric 100 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded after replace" + + # Replace multipath route with prefix route. A prefix route cannot + # replace a multipath route, so it is appended. + ip -6 route replace 2001:db8:3::/64 metric 100 dev $spine_p1 + ipv6_offload_check "2001:db8:3::/64 metric 100 dev $spine_p1" 0 + check_err $? "prefix route offloaded after 'replacing' multipath route" + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded after being 'replaced' by prefix route" + + # Replace multipath route with multipath route. + ip -6 route replace 2001:db8:3::/64 metric 100 \ + nexthop via 2001:db8:1::3 dev $spine_p1 \ + nexthop via 2001:db8:2::3 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded after replacing multipath route" + + # Replace a non-existing multipath route with a multipath route and + # check that it is appended and not offloaded. + ip -6 route replace 2001:db8:3::/64 metric 200 \ + nexthop via 2001:db8:1::3 dev $spine_p1 \ + nexthop via 2001:db8:2::3 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64 metric 100" 2 + check_err $? "multipath route not offloaded after non-existing route was 'replaced'" + ipv6_offload_check "2001:db8:3::/64 metric 200" 0 + check_err $? "multipath route offloaded after 'replacing' non-existing route" + + log_test "IPv6 route replace" + + ip -6 route flush 2001:db8:3::/64 +} + +ipv6_route_nexthop_group_share() +{ + RET=0 + + # The driver consolidates identical nexthop groups in order to reduce + # the resource usage in its adjacency table. Check that the deletion + # of one multipath route using the group does not affect the other. + ip -6 route add 2001:db8:3::/64 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ip -6 route add 2001:db8:4::/64 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ipv6_offload_check "2001:db8:3::/64" 2 + check_err $? "multipath route not offloaded when should" + ipv6_offload_check "2001:db8:4::/64" 2 + check_err $? "multipath route not offloaded when should" + ip -6 route del 2001:db8:3::/64 + ipv6_offload_check "2001:db8:4::/64" 2 + check_err $? "multipath route not offloaded after deletion of route sharing the nexthop group" + + # Check that after unsharing a nexthop group the routes are still + # marked as offloaded. + ip -6 route add 2001:db8:3::/64 \ + nexthop via 2001:db8:1::2 dev $spine_p1 \ + nexthop via 2001:db8:2::2 dev $spine_p2 + ip -6 route del 2001:db8:4::/64 \ + nexthop via 2001:db8:1::2 dev $spine_p1 + ipv6_offload_check "2001:db8:4::/64" 1 + check_err $? "singlepath route not offloaded after unsharing the nexthop group" + ipv6_offload_check "2001:db8:3::/64" 2 + check_err $? "multipath route not offloaded after unsharing the nexthop group" + + log_test "IPv6 nexthop group sharing" + + ip -6 route flush 2001:db8:3::/64 + ip -6 route flush 2001:db8:4::/64 +} + +ipv6_route_rate() +{ + local batch_dir=$(mktemp -d) + local num_rts=$((40 * 1024)) + local num_nhs=16 + local total + local start + local diff + local end + local nhs + local i + + RET=0 + + # Prepare 40K /64 multipath routes with 16 nexthops each and check how + # long it takes to add them. A limit of 60 seconds is set. It is much + # higher than insertion should take and meant to flag a serious + # regression. + total=$((nums_nhs * num_rts)) + + for i in $(seq 1 $num_nhs); do + ip -6 address add 2001:db8:1::10:$i/128 dev $tor1_p1 + nexthops+=" nexthop via 2001:db8:1::10:$i dev $spine_p1" + done + + for i in $(seq 1 $num_rts); do + echo "route add 2001:db8:8:$(printf "%x" $i)::/64$nexthops" \ + >> $batch_dir/add.batch + echo "route del 2001:db8:8:$(printf "%x" $i)::/64$nexthops" \ + >> $batch_dir/del.batch + done + + start=$(date +%s.%N) + + ip -batch $batch_dir/add.batch + count=$(ip -6 route show | grep offload | wc -l) + while [ $count -lt $total ]; do + sleep .01 + count=$(ip -6 route show | grep offload | wc -l) + done + + end=$(date +%s.%N) + + diff=$(echo "$end - $start" | bc -l) + test "$(echo "$diff > 60" | bc -l)" -eq 0 + check_err $? "route insertion took too long" + log_info "inserted $num_rts routes in $diff seconds" + + log_test "IPv6 routes insertion rate" + + ip -batch $batch_dir/del.batch + for i in $(seq 1 $num_nhs); do + ip -6 address del 2001:db8:1::10:$i/128 dev $tor1_p1 + done + rm -rf $batch_dir +} + +setup_prepare() +{ + spine_p1=${NETIFS[p1]} + tor1_p1=${NETIFS[p2]} + + spine_p2=${NETIFS[p3]} + tor2_p1=${NETIFS[p4]} + + vrf_prepare + forwarding_enable + + tor1_create + tor2_create + spine_create +} + +cleanup() +{ + pre_cleanup + + spine_destroy + tor2_destroy + tor1_destroy + + forwarding_restore + vrf_cleanup +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh index 1c30f302a1e7..5c39e5f6a480 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh @@ -28,6 +28,7 @@ ALL_TESTS=" vlan_interface_uppers_test bridge_extern_learn_test neigh_offload_test + nexthop_offload_test devlink_reload_test " NUM_NETIFS=2 @@ -607,6 +608,52 @@ neigh_offload_test() ip -4 address del 192.0.2.1/24 dev $swp1 } +nexthop_offload_test() +{ + # Test that IPv4 and IPv6 nexthops are marked as offloaded + RET=0 + + sysctl_set net.ipv6.conf.$swp2.keep_addr_on_down 1 + simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64 + simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64 + setup_wait + + ip -4 route add 198.51.100.0/24 vrf v$swp1 \ + nexthop via 192.0.2.2 dev $swp1 + ip -6 route add 2001:db8:2::/64 vrf v$swp1 \ + nexthop via 2001:db8:1::2 dev $swp1 + + ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload + check_err $? "ipv4 nexthop not marked as offloaded when should" + ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload + check_err $? "ipv6 nexthop not marked as offloaded when should" + + ip link set dev $swp2 down + sleep 1 + + ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload + check_fail $? "ipv4 nexthop marked as offloaded when should not" + ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload + check_fail $? "ipv6 nexthop marked as offloaded when should not" + + ip link set dev $swp2 up + setup_wait + + ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload + check_err $? "ipv4 nexthop not marked as offloaded after neigh add" + ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload + check_err $? "ipv6 nexthop not marked as offloaded after neigh add" + + log_test "nexthop offload indication" + + ip -6 route del 2001:db8:2::/64 vrf v$swp1 + ip -4 route del 198.51.100.0/24 vrf v$swp1 + + simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64 + simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64 + sysctl_restore net.ipv6.conf.$swp2.keep_addr_on_down +} + devlink_reload_test() { # Test that after executing all the above configuration tests, a diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh new file mode 100755 index 000000000000..9d8baf5d14b3 --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -0,0 +1,53 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS="fw_flash_test" +NUM_NETIFS=0 +source $lib_dir/lib.sh + +BUS_ADDR=10 +PORT_COUNT=4 +DEV_NAME=netdevsim$BUS_ADDR +SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/ +DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/ +DL_HANDLE=netdevsim/$DEV_NAME + +fw_flash_test() +{ + RET=0 + + devlink dev flash $DL_HANDLE file dummy + check_err $? "Failed to flash with status updates on" + + echo "n"> $DEBUGFS_DIR/fw_update_status + check_err $? "Failed to disable status updates" + + devlink dev flash $DL_HANDLE file dummy + check_err $? "Failed to flash with status updates off" + + log_test "fw flash test" +} + +setup_prepare() +{ + modprobe netdevsim + echo "$BUS_ADDR $PORT_COUNT" > /sys/bus/netdevsim/new_device + while [ ! -d $SYSFS_NET_DIR ] ; do :; done +} + +cleanup() +{ + pre_cleanup + echo "$BUS_ADDR" > /sys/bus/netdevsim/del_device + modprobe -r netdevsim +} + +trap cleanup EXIT + +setup_prepare + +tests_run + +exit $EXIT_STATUS |
