diff options
12 files changed, 974 insertions, 4 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 3b2e592aa521..7ed37c057ebd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9154,6 +9154,7 @@ S: Supported W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ F: drivers/net/ethernet/mellanox/mlxsw/ +F: tools/testing/selftests/drivers/net/mlxsw/ MELLANOX FIRMWARE FLASH LIBRARY (mlxfw) M: mlxsw@mellanox.com diff --git a/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh new file mode 100644 index 000000000000..6f3a70df63bc --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh @@ -0,0 +1,197 @@ +# SPDX-License-Identifier: GPL-2.0 + +# Test offloading a number of mirrors-to-gretap. The test creates a number of +# tunnels. Then it adds one flower mirror for each of the tunnels, matching a +# given host IP. Then it generates traffic at each of the host IPs and checks +# that the traffic has been mirrored at the appropriate tunnel. +# +# +--------------------------+ +--------------------------+ +# | H1 | | H2 | +# | + $h1 | | $h2 + | +# | | 2001:db8:1:X::1/64 | | 2001:db8:1:X::2/64 | | +# +-----|--------------------+ +--------------------|-----+ +# | | +# +-----|-------------------------------------------------------------|-----+ +# | SW o--> mirrors | | +# | +---|-------------------------------------------------------------|---+ | +# | | + $swp1 BR $swp2 + | | +# | +---------------------------------------------------------------------+ | +# | | +# | + $swp3 + gt6-<X> (ip6gretap) | +# | | 2001:db8:2:X::1/64 : loc=2001:db8:2:X::1 | +# | | : rem=2001:db8:2:X::2 | +# | | : ttl=100 | +# | | : tos=inherit | +# | | : | +# +-----|--------------------------------:----------------------------------+ +# | : +# +-----|--------------------------------:----------------------------------+ +# | H3 + $h3 + h3-gt6-<X> (ip6gretap) | +# | 2001:db8:2:X::2/64 loc=2001:db8:2:X::2 | +# | rem=2001:db8:2:X::1 | +# | ttl=100 | +# | tos=inherit | +# | | +# +-------------------------------------------------------------------------+ + +source ../../../../net/forwarding/mirror_lib.sh + +MIRROR_NUM_NETIFS=6 + +mirror_gre_ipv6_addr() +{ + local net=$1; shift + local num=$1; shift + + printf "2001:db8:%x:%x" $net $num +} + +mirror_gre_tunnels_create() +{ + local count=$1; shift + local should_fail=$1; shift + + MIRROR_GRE_BATCH_FILE="$(mktemp)" + for ((i=0; i < count; ++i)); do + local match_dip=$(mirror_gre_ipv6_addr 1 $i)::2 + local htun=h3-gt6-$i + local tun=gt6-$i + + ((mirror_gre_tunnels++)) + + ip address add dev $h1 $(mirror_gre_ipv6_addr 1 $i)::1/64 + ip address add dev $h2 $(mirror_gre_ipv6_addr 1 $i)::2/64 + + ip address add dev $swp3 $(mirror_gre_ipv6_addr 2 $i)::1/64 + ip address add dev $h3 $(mirror_gre_ipv6_addr 2 $i)::2/64 + + tunnel_create $tun ip6gretap \ + $(mirror_gre_ipv6_addr 2 $i)::1 \ + $(mirror_gre_ipv6_addr 2 $i)::2 \ + ttl 100 tos inherit allow-localremote + + tunnel_create $htun ip6gretap \ + $(mirror_gre_ipv6_addr 2 $i)::2 \ + $(mirror_gre_ipv6_addr 2 $i)::1 + ip link set $htun vrf v$h3 + matchall_sink_create $htun + + cat >> $MIRROR_GRE_BATCH_FILE <<-EOF + filter add dev $swp1 ingress pref 1000 \ + protocol ipv6 \ + flower $tcflags dst_ip $match_dip \ + action mirred egress mirror dev $tun + EOF + done + + tc -b $MIRROR_GRE_BATCH_FILE + check_err_fail $should_fail $? "Mirror rule insertion" +} + +mirror_gre_tunnels_destroy() +{ + local count=$1; shift + + for ((i=0; i < count; ++i)); do + local htun=h3-gt6-$i + local tun=gt6-$i + + ip address del dev $h3 $(mirror_gre_ipv6_addr 2 $i)::2/64 + ip address del dev $swp3 $(mirror_gre_ipv6_addr 2 $i)::1/64 + + ip address del dev $h2 $(mirror_gre_ipv6_addr 1 $i)::2/64 + ip address del dev $h1 $(mirror_gre_ipv6_addr 1 $i)::1/64 + + tunnel_destroy $htun + tunnel_destroy $tun + done +} + +__mirror_gre_test() +{ + local count=$1; shift + local should_fail=$1; shift + + mirror_gre_tunnels_create $count $should_fail + if ((should_fail)); then + return + fi + + sleep 5 + + for ((i = 0; i < count; ++i)); do + local dip=$(mirror_gre_ipv6_addr 1 $i)::2 + local htun=h3-gt6-$i + local message + + icmp6_capture_install $htun + mirror_test v$h1 "" $dip $htun 100 10 + icmp6_capture_uninstall $htun + done +} + +mirror_gre_test() +{ + local count=$1; shift + local should_fail=$1; shift + + if ! tc_offload_check $TC_FLOWER_NUM_NETIFS; then + check_err 1 "Could not test offloaded functionality" + return + fi + + tcflags="skip_sw" + __mirror_gre_test $count $should_fail +} + +mirror_gre_setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + swp3=${NETIFS[p5]} + h3=${NETIFS[p6]} + + mirror_gre_tunnels=0 + + vrf_prepare + + simple_if_init $h1 + simple_if_init $h2 + simple_if_init $h3 + + ip link add name br1 type bridge vlan_filtering 1 + ip link set dev br1 up + + ip link set dev $swp1 master br1 + ip link set dev $swp1 up + tc qdisc add dev $swp1 clsact + + ip link set dev $swp2 master br1 + ip link set dev $swp2 up + + ip link set dev $swp3 up +} + +mirror_gre_cleanup() +{ + mirror_gre_tunnels_destroy $mirror_gre_tunnels + + ip link set dev $swp3 down + + ip link set dev $swp2 down + + tc qdisc del dev $swp1 clsact + ip link set dev $swp1 down + + ip link del dev br1 + + simple_if_fini $h3 + simple_if_fini $h2 + simple_if_fini $h1 + + vrf_cleanup +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/router_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/router_scale.sh new file mode 100644 index 000000000000..d231649b4f01 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/router_scale.sh @@ -0,0 +1,167 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ROUTER_NUM_NETIFS=4 + +router_h1_create() +{ + simple_if_init $h1 192.0.1.1/24 + ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1 +} + +router_h1_destroy() +{ + ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1 + simple_if_fini $h1 192.0.1.1/24 +} + +router_h2_create() +{ + simple_if_init $h2 192.0.2.1/24 + tc qdisc add dev $h2 handle ffff: ingress +} + +router_h2_destroy() +{ + tc qdisc del dev $h2 handle ffff: ingress + simple_if_fini $h2 192.0.2.1/24 +} + +router_create() +{ + ip link set dev $rp1 up + ip link set dev $rp2 up + + ip address add 192.0.1.2/24 dev $rp1 + ip address add 192.0.2.2/24 dev $rp2 +} + +router_destroy() +{ + ip address del 192.0.2.2/24 dev $rp2 + ip address del 192.0.1.2/24 dev $rp1 + + ip link set dev $rp2 down + ip link set dev $rp1 down +} + +router_setup_prepare() +{ + h1=${NETIFS[p1]} + rp1=${NETIFS[p2]} + + rp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + h1mac=$(mac_get $h1) + rp1mac=$(mac_get $rp1) + + vrf_prepare + + router_h1_create + router_h2_create + + router_create +} + +router_offload_validate() +{ + local route_count=$1 + local offloaded_count + + offloaded_count=$(ip route | grep -o 'offload' | wc -l) + [[ $offloaded_count -ge $route_count ]] +} + +router_routes_create() +{ + local route_count=$1 + local count=0 + + ROUTE_FILE="$(mktemp)" + + for i in {0..255} + do + for j in {0..255} + do + for k in {0..255} + do + if [[ $count -eq $route_count ]]; then + break 3 + fi + + echo route add 193.${i}.${j}.${k}/32 via \ + 192.0.2.1 dev $rp2 >> $ROUTE_FILE + ((count++)) + done + done + done + + ip -b $ROUTE_FILE &> /dev/null +} + +router_routes_destroy() +{ + if [[ -v ROUTE_FILE ]]; then + rm -f $ROUTE_FILE + fi +} + +router_test() +{ + local route_count=$1 + local should_fail=$2 + local count=0 + + RET=0 + + router_routes_create $route_count + + router_offload_validate $route_count + check_err_fail $should_fail $? "Offload of $route_count routes" + if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then + return + fi + + tc filter add dev $h2 ingress protocol ip pref 1 flower \ + skip_sw dst_ip 193.0.0.0/8 action drop + + for i in {0..255} + do + for j in {0..255} + do + for k in {0..255} + do + if [[ $count -eq $route_count ]]; then + break 3 + fi + + $MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \ + -A 192.0.1.1 -B 193.${i}.${j}.${k} \ + -t ip -q + ((count++)) + done + done + done + + tc_check_packets "dev $h2 ingress" 1 $route_count + check_err $? "Offload mismatch" + + tc filter del dev $h2 ingress protocol ip pref 1 flower \ + skip_sw dst_ip 193.0.0.0/8 action drop + + router_routes_destroy +} + +router_cleanup() +{ + pre_cleanup + + router_routes_destroy + router_destroy + + router_h2_destroy + router_h1_destroy + + vrf_cleanup +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_lib_spectrum.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_lib_spectrum.sh new file mode 100644 index 000000000000..73035e25085d --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_lib_spectrum.sh @@ -0,0 +1,119 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +source "../../../../net/forwarding/devlink_lib.sh" + +if [ "$DEVLINK_VIDDID" != "15b3:cb84" ]; then + echo "SKIP: test is tailored for Mellanox Spectrum" + exit 1 +fi + +# Needed for returning to default +declare -A KVD_DEFAULTS + +KVD_CHILDREN="linear hash_single hash_double" +KVDL_CHILDREN="singles chunks large_chunks" + +devlink_sp_resource_minimize() +{ + local size + local i + + for i in $KVD_CHILDREN; do + size=$(devlink_resource_get kvd "$i" | jq '.["size_min"]') + devlink_resource_size_set "$size" kvd "$i" + done + + for i in $KVDL_CHILDREN; do + size=$(devlink_resource_get kvd linear "$i" | \ + jq '.["size_min"]') + devlink_resource_size_set "$size" kvd linear "$i" + done +} + +devlink_sp_size_kvd_to_default() +{ + local need_reload=0 + local i + + for i in $KVD_CHILDREN; do + local size=$(echo "${KVD_DEFAULTS[kvd_$i]}" | jq '.["size"]') + current_size=$(devlink_resource_size_get kvd "$i") + + if [ "$size" -ne "$current_size" ]; then + devlink_resource_size_set "$size" kvd "$i" + need_reload=1 + fi + done + + for i in $KVDL_CHILDREN; do + local size=$(echo "${KVD_DEFAULTS[kvd_linear_$i]}" | \ + jq '.["size"]') + current_size=$(devlink_resource_size_get kvd linear "$i") + + if [ "$size" -ne "$current_size" ]; then + devlink_resource_size_set "$size" kvd linear "$i" + need_reload=1 + fi + done + + if [ "$need_reload" -ne "0" ]; then + devlink_reload + fi +} + +devlink_sp_read_kvd_defaults() +{ + local key + local i + + KVD_DEFAULTS[kvd]=$(devlink_resource_get "kvd") + for i in $KVD_CHILDREN; do + key=kvd_$i + KVD_DEFAULTS[$key]=$(devlink_resource_get kvd "$i") + done + + for i in $KVDL_CHILDREN; do + key=kvd_linear_$i + KVD_DEFAULTS[$key]=$(devlink_resource_get kvd linear "$i") + done +} + +KVD_PROFILES="default scale ipv4_max" + +devlink_sp_resource_kvd_profile_set() +{ + local profile=$1 + + case "$profile" in + scale) + devlink_resource_size_set 64000 kvd linear + devlink_resource_size_set 15616 kvd linear singles + devlink_resource_size_set 32000 kvd linear chunks + devlink_resource_size_set 16384 kvd linear large_chunks + devlink_resource_size_set 128000 kvd hash_single + devlink_resource_size_set 48000 kvd hash_double + devlink_reload + ;; + ipv4_max) + devlink_resource_size_set 64000 kvd linear + devlink_resource_size_set 15616 kvd linear singles + devlink_resource_size_set 32000 kvd linear chunks + devlink_resource_size_set 16384 kvd linear large_chunks + devlink_resource_size_set 144000 kvd hash_single + devlink_resource_size_set 32768 kvd hash_double + devlink_reload + ;; + default) + devlink_resource_size_set 98304 kvd linear + devlink_resource_size_set 16384 kvd linear singles + devlink_resource_size_set 49152 kvd linear chunks + devlink_resource_size_set 32768 kvd linear large_chunks + devlink_resource_size_set 87040 kvd hash_single + devlink_resource_size_set 60416 kvd hash_double + devlink_reload + ;; + *) + check_err 1 "Unknown profile $profile" + esac +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh new file mode 100755 index 000000000000..b1fe960e398a --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/devlink_resources.sh @@ -0,0 +1,117 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +NUM_NETIFS=1 +source devlink_lib_spectrum.sh + +setup_prepare() +{ + devlink_sp_read_kvd_defaults +} + +cleanup() +{ + pre_cleanup + devlink_sp_size_kvd_to_default +} + +trap cleanup EXIT + +setup_prepare + +profiles_test() +{ + local i + + log_info "Running profile tests" + + for i in $KVD_PROFILES; do + RET=0 + devlink_sp_resource_kvd_profile_set $i + log_test "'$i' profile" + done + + # Default is explicitly tested at end to ensure it's actually applied + RET=0 + devlink_sp_resource_kvd_profile_set "default" + log_test "'default' profile" +} + +resources_min_test() +{ + local size + local i + local j + + log_info "Running KVD-minimum tests" + + for i in $KVD_CHILDREN; do + RET=0 + size=$(devlink_resource_get kvd "$i" | jq '.["size_min"]') + devlink_resource_size_set "$size" kvd "$i" + + # In case of linear, need to minimize sub-resources as well + if [[ "$i" == "linear" ]]; then + for j in $KVDL_CHILDREN; do + devlink_resource_size_set 0 kvd linear "$j" + done + fi + + devlink_reload + devlink_sp_size_kvd_to_default + log_test "'$i' minimize [$size]" + done +} + +resources_max_test() +{ + local min_size + local size + local i + local j + + log_info "Running KVD-maximum tests" + for i in $KVD_CHILDREN; do + RET=0 + devlink_sp_resource_minimize + + # Calculate the maximum possible size for the given partition + size=$(devlink_resource_size_get kvd) + for j in $KVD_CHILDREN; do + if [ "$i" != "$j" ]; then + min_size=$(devlink_resource_get kvd "$j" | \ + jq '.["size_min"]') + size=$((size - min_size)) + fi + done + + # Test almost maximum size + devlink_resource_size_set "$((size - 128))" kvd "$i" + devlink_reload + log_test "'$i' almost maximize [$((size - 128))]" + + # Test above maximum size + devlink resource set "$DEVLINK_DEV" \ + path "kvd/$i" size $((size + 128)) &> /dev/null + check_fail $? "Set kvd/$i to size $((size + 128)) should fail" + log_test "'$i' Overflow rejection [$((size + 128))]" + + # Test maximum size + if [ "$i" == "hash_single" ] || [ "$i" == "hash_double" ]; then + echo "SKIP: Observed problem with exact max $i" + continue + fi + + devlink_resource_size_set "$size" kvd "$i" + devlink_reload + log_test "'$i' maximize [$size]" + + devlink_sp_size_kvd_to_default + done +} + +profiles_test +resources_min_test +resources_max_test + +exit "$RET" diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/mirror_gre_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/mirror_gre_scale.sh new file mode 100644 index 000000000000..8d2186c7c62b --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/mirror_gre_scale.sh @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../mirror_gre_scale.sh + +mirror_gre_get_target() +{ + local should_fail=$1; shift + + if ((! should_fail)); then + echo 3 + else + echo 4 + fi +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh new file mode 100755 index 000000000000..a0a80e1a69e8 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh @@ -0,0 +1,55 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +NUM_NETIFS=6 +source ../../../../net/forwarding/lib.sh +source ../../../../net/forwarding/tc_common.sh +source devlink_lib_spectrum.sh + +current_test="" + +cleanup() +{ + pre_cleanup + if [ ! -z $current_test ]; then + ${current_test}_cleanup + fi + devlink_sp_size_kvd_to_default +} + +devlink_sp_read_kvd_defaults +trap cleanup EXIT + +ALL_TESTS="router tc_flower mirror_gre" +for current_test in ${TESTS:-$ALL_TESTS}; do + source ${current_test}_scale.sh + + num_netifs_var=${current_test^^}_NUM_NETIFS + num_netifs=${!num_netifs_var:-$NUM_NETIFS} + + for profile in $KVD_PROFILES; do + RET=0 + devlink_sp_resource_kvd_profile_set $profile + if [[ $RET -gt 0 ]]; then + log_test "'$current_test' [$profile] setting" + continue + fi + + for should_fail in 0 1; do + RET=0 + target=$(${current_test}_get_target "$should_fail") + ${current_test}_setup_prepare + setup_wait $num_netifs + ${current_test}_test "$target" "$should_fail" + ${current_test}_cleanup + if [[ "$should_fail" -eq 0 ]]; then + log_test "'$current_test' [$profile] $target" + else + log_test "'$current_test' [$profile] overflow $target" + fi + done + done +done +current_test="" + +exit "$RET" diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh new file mode 100644 index 000000000000..21c4697d5bab --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/router_scale.sh @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../router_scale.sh + +router_get_target() +{ + local should_fail=$1 + local target + + target=$(devlink_resource_size_get kvd hash_single) + + if [[ $should_fail -eq 0 ]]; then + target=$((target * 85 / 100)) + else + target=$((target + 1)) + fi + + echo $target +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_flower_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_flower_scale.sh new file mode 100644 index 000000000000..f9bfd8937765 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_flower_scale.sh @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../tc_flower_scale.sh + +tc_flower_get_target() +{ + local should_fail=$1; shift + + # 6144 (6x1024) is the theoretical maximum. + # One bank of 512 rules is taken by the 18-byte MC router rule. + # One rule is the ACL catch-all. + # 6144 - 512 - 1 = 5631 + local target=5631 + + if ((! should_fail)); then + echo $target + else + echo $((target + 1)) + fi +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_flower_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_flower_scale.sh new file mode 100644 index 000000000000..a6d733d2a4b4 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_flower_scale.sh @@ -0,0 +1,134 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Test for resource limit of offloaded flower rules. The test adds a given +# number of flower matches for different IPv6 addresses, then generates traffic, +# and ensures each was hit exactly once. This file contains functions to set up +# a testing topology and run the test, and is meant to be sourced from a test +# script that calls the testing routine with a given number of rules. + +TC_FLOWER_NUM_NETIFS=2 + +tc_flower_h1_create() +{ + simple_if_init $h1 + tc qdisc add dev $h1 clsact +} + +tc_flower_h1_destroy() +{ + tc qdisc del dev $h1 clsact + simple_if_fini $h1 +} + +tc_flower_h2_create() +{ + simple_if_init $h2 + tc qdisc add dev $h2 clsact +} + +tc_flower_h2_destroy() +{ + tc qdisc del dev $h2 clsact + simple_if_fini $h2 +} + +tc_flower_setup_prepare() +{ + h1=${NETIFS[p1]} + h2=${NETIFS[p2]} + + vrf_prepare + + tc_flower_h1_create + tc_flower_h2_create +} + +tc_flower_cleanup() +{ + pre_cleanup + + tc_flower_h2_destroy + tc_flower_h1_destroy + + vrf_cleanup + + if [[ -v TC_FLOWER_BATCH_FILE ]]; then + rm -f $TC_FLOWER_BATCH_FILE + fi +} + +tc_flower_addr() +{ + local num=$1; shift + + printf "2001:db8:1::%x" $num +} + +tc_flower_rules_create() +{ + local count=$1; shift + local should_fail=$1; shift + + TC_FLOWER_BATCH_FILE="$(mktemp)" + + for ((i = 0; i < count; ++i)); do + cat >> $TC_FLOWER_BATCH_FILE <<-EOF + filter add dev $h2 ingress \ + prot ipv6 \ + pref 1000 \ + flower $tcflags dst_ip $(tc_flower_addr $i) \ + action drop + EOF + done + + tc -b $TC_FLOWER_BATCH_FILE + check_err_fail $should_fail $? "Rule insertion" +} + +__tc_flower_test() +{ + local count=$1; shift + local should_fail=$1; shift + local last=$((count - 1)) + + tc_flower_rules_create $count $should_fail + + for ((i = 0; i < count; ++i)); do + $MZ $h1 -q -c 1 -t ip -p 20 -b bc -6 \ + -A 2001:db8:2::1 \ + -B $(tc_flower_addr $i) + done + + MISMATCHES=$( + tc -j -s filter show dev $h2 ingress | + jq -r '[ .[] | select(.kind == "flower") | .options | + values as $rule | .actions[].stats.packets | + select(. != 1) | "\(.) on \($rule.keys.dst_ip)" ] | + join(", ")' + ) + + test -z "$MISMATCHES" + check_err $? "Expected to capture 1 packet for each IP, but got $MISMATCHES" +} + +tc_flower_test() +{ + local count=$1; shift + local should_fail=$1; shift + + # We use lower 16 bits of IPv6 address for match. Also there are only 16 + # bits of rule priority space. + if ((count > 65536)); then + check_err 1 "Invalid count of $count. At most 65536 rules supported" + return + fi + + if ! tc_offload_check $TC_FLOWER_NUM_NETIFS; then + check_err 1 "Could not test offloaded functionality" + return + fi + + tcflags="skip_sw" + __tc_flower_test $count $should_fail +} diff --git a/tools/testing/selftests/net/forwarding/devlink_lib.sh b/tools/testing/selftests/net/forwarding/devlink_lib.sh new file mode 100644 index 000000000000..5ab1e5f43022 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/devlink_lib.sh @@ -0,0 +1,108 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +############################################################################## +# Source library + +relative_path="${BASH_SOURCE%/*}" +if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then + relative_path="." +fi + +source "$relative_path/lib.sh" + +############################################################################## +# Defines + +DEVLINK_DEV=$(devlink port show | grep "${NETIFS[p1]}" | \ + grep -v "${NETIFS[p1]}[0-9]" | cut -d" " -f1 | \ + rev | cut -d"/" -f2- | rev) +if [ -z "$DEVLINK_DEV" ]; then + echo "SKIP: ${NETIFS[p1]} has no devlink device registered for it" + exit 1 +fi +if [[ "$(echo $DEVLINK_DEV | grep -c pci)" -eq 0 ]]; then + echo "SKIP: devlink device's bus is not PCI" + exit 1 +fi + +DEVLINK_VIDDID=$(lspci -s $(echo $DEVLINK_DEV | cut -d"/" -f2) \ + -n | cut -d" " -f3) + +############################################################################## +# Sanity checks + +devlink -j resource show "$DEVLINK_DEV" &> /dev/null +if [ $? -ne 0 ]; then + echo "SKIP: iproute2 too old, missing devlink resource support" + exit 1 +fi + +############################################################################## +# Devlink helpers + +devlink_resource_names_to_path() +{ + local resource + local path="" + + for resource in "${@}"; do + if [ "$path" == "" ]; then + path="$resource" + else + path="${path}/$resource" + fi + done + + echo "$path" +} + +devlink_resource_get() +{ + local name=$1 + local resource_name=.[][\"$DEVLINK_DEV\"] + + resource_name="$resource_name | .[] | select (.name == \"$name\")" + + shift + for resource in "${@}"; do + resource_name="${resource_name} | .[\"resources\"][] | \ + select (.name == \"$resource\")" + done + + devlink -j resource show "$DEVLINK_DEV" | jq "$resource_name" +} + +devlink_resource_size_get() +{ + local size=$(devlink_resource_get "$@" | jq '.["size_new"]') + + if [ "$size" == "null" ]; then + devlink_resource_get "$@" | jq '.["size"]' + else + echo "$size" + fi +} + +devlink_resource_size_set() +{ + local new_size=$1 + local path + + shift + path=$(devlink_resource_names_to_path "$@") + devlink resource set "$DEVLINK_DEV" path "$path" size "$new_size" + check_err $? "Failed setting path $path to size $size" +} + +devlink_reload() +{ + local still_pending + + devlink dev reload "$DEVLINK_DEV" &> /dev/null + check_err $? "Failed reload" + + still_pending=$(devlink resource show "$DEVLINK_DEV" | \ + grep -c "size_new") + check_err $still_pending "Failed reload - There are still unset sizes" +} diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh index d1f14f83979e..e073918bbe15 100644 --- a/tools/testing/selftests/net/forwarding/lib.sh +++ b/tools/testing/selftests/net/forwarding/lib.sh @@ -14,8 +14,13 @@ PAUSE_ON_CLEANUP=${PAUSE_ON_CLEANUP:=no} NETIF_TYPE=${NETIF_TYPE:=veth} NETIF_CREATE=${NETIF_CREATE:=yes} -if [[ -f forwarding.config ]]; then - source forwarding.config +relative_path="${BASH_SOURCE%/*}" +if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then + relative_path="." +fi + +if [[ -f $relative_path/forwarding.config ]]; then + source "$relative_path/forwarding.config" fi ############################################################################## @@ -151,6 +156,19 @@ check_fail() fi } +check_err_fail() +{ + local should_fail=$1; shift + local err=$1; shift + local what=$1; shift + + if ((should_fail)); then + check_fail $err "$what succeeded, but should have failed" + else + check_err $err "$what failed" + fi +} + log_test() { local test_name=$1 @@ -202,7 +220,9 @@ setup_wait_dev() setup_wait() { - for i in $(eval echo {1..$NUM_NETIFS}); do + local num_netifs=${1:-$NUM_NETIFS} + + for ((i = 1; i <= num_netifs; ++i)); do setup_wait_dev ${NETIFS[p$i]} done @@ -463,7 +483,9 @@ forwarding_restore() tc_offload_check() { - for i in $(eval echo {1..$NUM_NETIFS}); do + local num_netifs=${1:-$NUM_NETIFS} + + for ((i = 1; i <= num_netifs; ++i)); do ethtool -k ${NETIFS[p$i]} \ | grep "hw-tc-offload: on" &> /dev/null if [[ $? -ne 0 ]]; then |