diff options
Diffstat (limited to 'tools/testing/selftests/drivers')
13 files changed, 1444 insertions, 30 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh index 47edf099a17e..508a702f0021 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_policer.sh @@ -207,7 +207,7 @@ __rate_test() RET=0 - devlink trap policer set $DEVLINK_DEV policer $id rate 1000 burst 16 + devlink trap policer set $DEVLINK_DEV policer $id rate 1000 burst 512 devlink trap group set $DEVLINK_DEV group l3_drops policer $id # Send packets at highest possible rate and make sure they are dropped @@ -220,8 +220,8 @@ __rate_test() rate=$(trap_rate_get) pct=$((100 * (rate - 1000) / 1000)) - ((-5 <= pct && pct <= 5)) - check_err $? "Expected rate 1000 pps, got $rate pps, which is $pct% off. Required accuracy is +-5%" + ((-10 <= pct && pct <= 10)) + check_err $? "Expected rate 1000 pps, got $rate pps, which is $pct% off. Required accuracy is +-10%" log_info "Expected rate 1000 pps, measured rate $rate pps" drop_rate=$(policer_drop_rate_get $id) @@ -288,35 +288,12 @@ __burst_test() RET=0 - devlink trap policer set $DEVLINK_DEV policer $id rate 1000 burst 32 + devlink trap policer set $DEVLINK_DEV policer $id rate 1000 burst 512 devlink trap group set $DEVLINK_DEV group l3_drops policer $id - # Send a burst of 64 packets and make sure that about 32 are received - # and the rest are dropped by the policer - log_info "=== Tx burst size: 64, Policer burst size: 32 pps ===" - - t0_rx=$(devlink_trap_rx_packets_get blackhole_route) - t0_drop=$(devlink_trap_policer_rx_dropped_get $id) - - start_traffic $h1 192.0.2.1 198.51.100.100 $rp1_mac -c 64 - - t1_rx=$(devlink_trap_rx_packets_get blackhole_route) - t1_drop=$(devlink_trap_policer_rx_dropped_get $id) - - rx=$((t1_rx - t0_rx)) - pct=$((100 * (rx - 32) / 32)) - ((-20 <= pct && pct <= 20)) - check_err $? "Expected burst size of 32 packets, got $rx packets, which is $pct% off. Required accuracy is +-20%" - log_info "Expected burst size of 32 packets, measured burst size of $rx packets" - - drop=$((t1_drop - t0_drop)) - (( drop > 0 )) - check_err $? "Expected non-zero policer drops, got 0" - log_info "Measured policer drops of $drop packets" - # Send a burst of 16 packets and make sure that 16 are received # and that none are dropped by the policer - log_info "=== Tx burst size: 16, Policer burst size: 32 pps ===" + log_info "=== Tx burst size: 16, Policer burst size: 512 ===" t0_rx=$(devlink_trap_rx_packets_get blackhole_route) t0_drop=$(devlink_trap_policer_rx_dropped_get $id) diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh index 6d1790b5de7a..e9f8718af979 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh @@ -147,17 +147,26 @@ switch_create() # Make sure that ingress quotas are smaller than egress so that there is # room for both streams of traffic to be admitted to shared buffer. + devlink_pool_size_thtype_save 0 devlink_pool_size_thtype_set 0 dynamic 10000000 + devlink_pool_size_thtype_save 4 devlink_pool_size_thtype_set 4 dynamic 10000000 + devlink_port_pool_th_save $swp1 0 devlink_port_pool_th_set $swp1 0 6 + devlink_tc_bind_pool_th_save $swp1 1 ingress devlink_tc_bind_pool_th_set $swp1 1 ingress 0 6 + devlink_port_pool_th_save $swp2 0 devlink_port_pool_th_set $swp2 0 6 + devlink_tc_bind_pool_th_save $swp2 2 ingress devlink_tc_bind_pool_th_set $swp2 2 ingress 0 6 + devlink_tc_bind_pool_th_save $swp3 1 egress devlink_tc_bind_pool_th_set $swp3 1 egress 4 7 + devlink_tc_bind_pool_th_save $swp3 2 egress devlink_tc_bind_pool_th_set $swp3 2 egress 4 7 + devlink_port_pool_th_save $swp3 4 devlink_port_pool_th_set $swp3 4 7 } diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_headroom.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_headroom.sh new file mode 100755 index 000000000000..27de3d9ed08e --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_headroom.sh @@ -0,0 +1,379 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS=" + test_defaults + test_dcb_ets + test_mtu + test_pfc + test_int_buf + test_tc_priomap + test_tc_mtu + test_tc_sizes + test_tc_int_buf +" + +lib_dir=$(dirname $0)/../../../net/forwarding + +NUM_NETIFS=0 +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh +source qos_lib.sh + +swp=$NETIF_NO_CABLE + +cleanup() +{ + pre_cleanup +} + +get_prio_pg() +{ + __mlnx_qos -i $swp | sed -n '/^PFC/,/^[^[:space:]]/p' | + grep buffer | sed 's/ \+/ /g' | cut -d' ' -f 2- +} + +get_prio_pfc() +{ + __mlnx_qos -i $swp | sed -n '/^PFC/,/^[^[:space:]]/p' | + grep enabled | sed 's/ \+/ /g' | cut -d' ' -f 2- +} + +get_prio_tc() +{ + __mlnx_qos -i $swp | sed -n '/^tc/,$p' | + awk '/^tc/ { TC = $2 } + /priority:/ { PRIO[$2]=TC } + END { + for (i in PRIO) + printf("%d ", PRIO[i]) + }' +} + +get_buf_size() +{ + local idx=$1; shift + + __mlnx_qos -i $swp | grep Receive | sed 's/.*: //' | cut -d, -f $((idx + 1)) +} + +get_tot_size() +{ + __mlnx_qos -i $swp | grep Receive | sed 's/.*total_size=//' +} + +check_prio_pg() +{ + local expect=$1; shift + + local current=$(get_prio_pg) + test "$current" = "$expect" + check_err $? "prio2buffer is '$current', expected '$expect'" +} + +check_prio_pfc() +{ + local expect=$1; shift + + local current=$(get_prio_pfc) + test "$current" = "$expect" + check_err $? "prio PFC is '$current', expected '$expect'" +} + +check_prio_tc() +{ + local expect=$1; shift + + local current=$(get_prio_tc) + test "$current" = "$expect" + check_err $? "prio_tc is '$current', expected '$expect'" +} + +__check_buf_size() +{ + local idx=$1; shift + local expr=$1; shift + local what=$1; shift + + local current=$(get_buf_size $idx) + ((current $expr)) + check_err $? "${what}buffer $idx size is '$current', expected '$expr'" + echo $current +} + +check_buf_size() +{ + __check_buf_size "$@" > /dev/null +} + +test_defaults() +{ + RET=0 + + check_prio_pg "0 0 0 0 0 0 0 0 " + check_prio_tc "0 0 0 0 0 0 0 0 " + check_prio_pfc "0 0 0 0 0 0 0 0 " + + log_test "Default headroom configuration" +} + +test_dcb_ets() +{ + RET=0 + + __mlnx_qos -i $swp --prio_tc=0,2,4,6,1,3,5,7 > /dev/null + + check_prio_pg "0 2 4 6 1 3 5 7 " + check_prio_tc "0 2 4 6 1 3 5 7 " + check_prio_pfc "0 0 0 0 0 0 0 0 " + + __mlnx_qos -i $swp --prio_tc=0,0,0,0,0,0,0,0 > /dev/null + + check_prio_pg "0 0 0 0 0 0 0 0 " + check_prio_tc "0 0 0 0 0 0 0 0 " + + __mlnx_qos -i $swp --prio2buffer=1,3,5,7,0,2,4,6 &> /dev/null + check_fail $? "prio2buffer accepted in DCB mode" + + log_test "Configuring headroom through ETS" +} + +test_mtu() +{ + local what=$1; shift + local buf0size_2 + local buf0size + + RET=0 + buf0size=$(__check_buf_size 0 "> 0") + + mtu_set $swp 3000 + buf0size_2=$(__check_buf_size 0 "> $buf0size" "MTU 3000: ") + mtu_restore $swp + + mtu_set $swp 6000 + check_buf_size 0 "> $buf0size_2" "MTU 6000: " + mtu_restore $swp + + check_buf_size 0 "== $buf0size" + + log_test "${what}MTU impacts buffer size" +} + +test_tc_mtu() +{ + # In TC mode, MTU still impacts the threshold below which a buffer is + # not permitted to go. + + tc qdisc replace dev $swp root handle 1: bfifo limit 1.5M + test_mtu "TC: " + tc qdisc delete dev $swp root +} + +test_pfc() +{ + RET=0 + + __mlnx_qos -i $swp --prio_tc=0,0,0,0,0,1,2,3 > /dev/null + + local buf0size=$(get_buf_size 0) + local buf1size=$(get_buf_size 1) + local buf2size=$(get_buf_size 2) + local buf3size=$(get_buf_size 3) + check_buf_size 0 "> 0" + check_buf_size 1 "> 0" + check_buf_size 2 "> 0" + check_buf_size 3 "> 0" + check_buf_size 4 "== 0" + check_buf_size 5 "== 0" + check_buf_size 6 "== 0" + check_buf_size 7 "== 0" + + log_test "Buffer size sans PFC" + + RET=0 + + __mlnx_qos -i $swp --pfc=0,0,0,0,0,1,1,1 --cable_len=0 > /dev/null + + check_prio_pg "0 0 0 0 0 1 2 3 " + check_prio_pfc "0 0 0 0 0 1 1 1 " + check_buf_size 0 "== $buf0size" + check_buf_size 1 "> $buf1size" + check_buf_size 2 "> $buf2size" + check_buf_size 3 "> $buf3size" + + local buf1size=$(get_buf_size 1) + check_buf_size 2 "== $buf1size" + check_buf_size 3 "== $buf1size" + + log_test "PFC: Cable length 0" + + RET=0 + + __mlnx_qos -i $swp --pfc=0,0,0,0,0,1,1,1 --cable_len=1000 > /dev/null + + check_buf_size 0 "== $buf0size" + check_buf_size 1 "> $buf1size" + check_buf_size 2 "> $buf1size" + check_buf_size 3 "> $buf1size" + + log_test "PFC: Cable length 1000" + + RET=0 + + __mlnx_qos -i $swp --pfc=0,0,0,0,0,0,0,0 --cable_len=0 > /dev/null + __mlnx_qos -i $swp --prio_tc=0,0,0,0,0,0,0,0 > /dev/null + + check_prio_pg "0 0 0 0 0 0 0 0 " + check_prio_tc "0 0 0 0 0 0 0 0 " + check_buf_size 0 "> 0" + check_buf_size 1 "== 0" + check_buf_size 2 "== 0" + check_buf_size 3 "== 0" + check_buf_size 4 "== 0" + check_buf_size 5 "== 0" + check_buf_size 6 "== 0" + check_buf_size 7 "== 0" + + log_test "PFC: Restore defaults" +} + +test_tc_priomap() +{ + RET=0 + + __mlnx_qos -i $swp --prio_tc=0,1,2,3,4,5,6,7 > /dev/null + check_prio_pg "0 1 2 3 4 5 6 7 " + + tc qdisc replace dev $swp root handle 1: bfifo limit 1.5M + check_prio_pg "0 0 0 0 0 0 0 0 " + + __mlnx_qos -i $swp --prio2buffer=1,3,5,7,0,2,4,6 > /dev/null + check_prio_pg "1 3 5 7 0 2 4 6 " + + tc qdisc delete dev $swp root + check_prio_pg "0 1 2 3 4 5 6 7 " + + # Clean up. + tc qdisc replace dev $swp root handle 1: bfifo limit 1.5M + __mlnx_qos -i $swp --prio2buffer=0,0,0,0,0,0,0,0 > /dev/null + tc qdisc delete dev $swp root + __mlnx_qos -i $swp --prio_tc=0,0,0,0,0,0,0,0 > /dev/null + + log_test "TC: priomap" +} + +test_tc_sizes() +{ + local cell_size=$(devlink_cell_size_get) + local size=$((cell_size * 1000)) + + RET=0 + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 &> /dev/null + check_fail $? "buffer_size should fail before qdisc is added" + + tc qdisc replace dev $swp root handle 1: bfifo limit 1.5M + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 > /dev/null + check_err $? "buffer_size should pass after qdisc is added" + check_buf_size 0 "== $size" "set size: " + + mtu_set $swp 6000 + check_buf_size 0 "== $size" "set MTU: " + mtu_restore $swp + + __mlnx_qos -i $swp --buffer_size=0,0,0,0,0,0,0,0 > /dev/null + + # After replacing the qdisc for the same kind, buffer_size still has to + # work. + tc qdisc replace dev $swp root handle 1: bfifo limit 1M + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 > /dev/null + check_buf_size 0 "== $size" "post replace, set size: " + + __mlnx_qos -i $swp --buffer_size=0,0,0,0,0,0,0,0 > /dev/null + + # Likewise after replacing for a different kind. + tc qdisc replace dev $swp root handle 2: prio bands 8 + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 > /dev/null + check_buf_size 0 "== $size" "post replace different kind, set size: " + + tc qdisc delete dev $swp root + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 &> /dev/null + check_fail $? "buffer_size should fail after qdisc is deleted" + + log_test "TC: buffer size" +} + +test_int_buf() +{ + local what=$1; shift + + RET=0 + + local buf0size=$(get_buf_size 0) + local tot_size=$(get_tot_size) + + # Size of internal buffer and buffer 9. + local dsize=$((tot_size - buf0size)) + + tc qdisc add dev $swp clsact + tc filter add dev $swp egress matchall skip_sw action mirred egress mirror dev $swp + + local buf0size_2=$(get_buf_size 0) + local tot_size_2=$(get_tot_size) + local dsize_2=$((tot_size_2 - buf0size_2)) + + # Egress SPAN should have added to the "invisible" buffer configuration. + ((dsize_2 > dsize)) + check_err $? "Invisible buffers account for '$dsize_2', expected '> $dsize'" + + mtu_set $swp 3000 + + local buf0size_3=$(get_buf_size 0) + local tot_size_3=$(get_tot_size) + local dsize_3=$((tot_size_3 - buf0size_3)) + + # MTU change might change buffer 0, which will show at total, but the + # hidden buffers should stay the same size. + ((dsize_3 == dsize_2)) + check_err $? "MTU change: Invisible buffers account for '$dsize_3', expected '== $dsize_2'" + + mtu_restore $swp + tc qdisc del dev $swp clsact + + # After SPAN removal, hidden buffers should be back to the original sizes. + local buf0size_4=$(get_buf_size 0) + local tot_size_4=$(get_tot_size) + local dsize_4=$((tot_size_4 - buf0size_4)) + ((dsize_4 == dsize)) + check_err $? "SPAN removed: Invisible buffers account for '$dsize_4', expected '== $dsize'" + + log_test "${what}internal buffer size" +} + +test_tc_int_buf() +{ + local cell_size=$(devlink_cell_size_get) + local size=$((cell_size * 1000)) + + tc qdisc replace dev $swp root handle 1: bfifo limit 1.5M + test_int_buf "TC: " + + __mlnx_qos -i $swp --buffer_size=$size,0,0,0,0,0,0,0 > /dev/null + test_int_buf "TC+buffsize: " + + __mlnx_qos -i $swp --buffer_size=0,0,0,0,0,0,0,0 > /dev/null + tc qdisc delete dev $swp root +} + +trap cleanup EXIT + +bail_on_lldpad +setup_wait +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh index faa51012cdac..0bf76f13c030 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_lib.sh @@ -82,3 +82,17 @@ bail_on_lldpad() fi fi } + +__mlnx_qos() +{ + local err + + mlnx_qos "$@" 2>/dev/null + err=$? + + if ((err)); then + echo "Error ($err) in mlnx_qos $@" >/dev/stderr + fi + + return $err +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh index b025daea062d..8f164c80e215 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh @@ -145,12 +145,17 @@ switch_create() # Make sure that ingress quotas are smaller than egress so that there is # room for both streams of traffic to be admitted to shared buffer. + devlink_port_pool_th_save $swp1 0 devlink_port_pool_th_set $swp1 0 5 + devlink_tc_bind_pool_th_save $swp1 0 ingress devlink_tc_bind_pool_th_set $swp1 0 ingress 0 5 + devlink_port_pool_th_save $swp2 0 devlink_port_pool_th_set $swp2 0 5 + devlink_tc_bind_pool_th_save $swp2 1 ingress devlink_tc_bind_pool_th_set $swp2 1 ingress 0 5 + devlink_port_pool_th_save $swp3 4 devlink_port_pool_th_set $swp3 4 12 } diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh new file mode 100755 index 000000000000..4d900bc1f76c --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh @@ -0,0 +1,403 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# This test injects a 10-MB burst of traffic with VLAN tag and 802.1p priority +# of 1. This stream is consistently prioritized as priority 1, is put to PG +# buffer 1, and scheduled at TC 1. +# +# - the stream first ingresses through $swp1, where it is forwarded to $swp3 +# +# - then it ingresses through $swp4. Here it is put to a lossless buffer and put +# to a small pool ("PFC pool"). The traffic is forwarded to $swp2, which is +# shaped, and thus the PFC pool eventually fills, therefore the headroom +# fills, and $swp3 is paused. +# +# - since $swp3 now can't send traffic, the traffic ingressing $swp1 is kept at +# a pool ("overflow pool"). The overflow pool needs to be large enough to +# contain the whole burst. +# +# - eventually the PFC pool gets some traffic out, headroom therefore gets some +# traffic to the pool, and $swp3 is unpaused again. This way the traffic is +# gradually forwarded from the overflow pool, through the PFC pool, out of +# $swp2, and eventually to $h2. +# +# - if PFC works, all lossless flow packets that ingress through $swp1 should +# also be seen ingressing $h2. If it doesn't, there will be drops due to +# discrepancy between the speeds of $swp1 and $h2. +# +# - it should all play out relatively quickly, so that SLL and HLL will not +# cause drops. +# +# +-----------------------+ +# | H1 | +# | + $h1.111 | +# | | 192.0.2.33/28 | +# | | | +# | + $h1 | +# +---|-------------------+ +--------------------+ +# | | | +# +---|----------------------|--------------------|---------------------------+ +# | + $swp1 $swp3 + + $swp4 | +# | | iPOOL1 iPOOL0 | | iPOOL2 | +# | | ePOOL4 ePOOL5 | | ePOOL4 | +# | | 1Gbps | | 1Gbps | +# | | PFC:enabled=1 | | PFC:enabled=1 | +# | +-|----------------------|-+ +-|------------------------+ | +# | | + $swp1.111 $swp3.111 + | | + $swp4.111 | | +# | | | | | | +# | | BR1 | | BR2 | | +# | | | | | | +# | | | | + $swp2.111 | | +# | +--------------------------+ +---------|----------------+ | +# | | | +# | iPOOL0: 500KB dynamic | | +# | iPOOL1: 10MB static | | +# | iPOOL2: 1MB static + $swp2 | +# | ePOOL4: 500KB dynamic | iPOOL0 | +# | ePOOL5: 10MB static | ePOOL6 | +# | ePOOL6: "infinite" static | 200Mbps shaper | +# +-------------------------------------------------------|-------------------+ +# | +# +---|-------------------+ +# | + $h2 H2 | +# | | | +# | + $h2.111 | +# | 192.0.2.34/28 | +# +-----------------------+ +# +# iPOOL0+ePOOL4 is a helper pool for control traffic etc. +# iPOOL1+ePOOL5 are overflow pools. +# iPOOL2+ePOOL6 are PFC pools. + +ALL_TESTS=" + ping_ipv4 + test_qos_pfc +" + +lib_dir=$(dirname $0)/../../../net/forwarding + +NUM_NETIFS=6 +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh +source qos_lib.sh + +_1KB=1000 +_100KB=$((100 * _1KB)) +_500KB=$((500 * _1KB)) +_1MB=$((1000 * _1KB)) +_10MB=$((10 * _1MB)) + +h1_create() +{ + simple_if_init $h1 + mtu_set $h1 10000 + + vlan_create $h1 111 v$h1 192.0.2.33/28 +} + +h1_destroy() +{ + vlan_destroy $h1 111 + + mtu_restore $h1 + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 + mtu_set $h2 10000 + + vlan_create $h2 111 v$h2 192.0.2.34/28 +} + +h2_destroy() +{ + vlan_destroy $h2 111 + + mtu_restore $h2 + simple_if_fini $h2 +} + +switch_create() +{ + # pools + # ----- + + devlink_pool_size_thtype_save 0 + devlink_pool_size_thtype_save 4 + devlink_pool_size_thtype_save 1 + devlink_pool_size_thtype_save 5 + devlink_pool_size_thtype_save 2 + devlink_pool_size_thtype_save 6 + + devlink_port_pool_th_save $swp1 1 + devlink_port_pool_th_save $swp2 6 + devlink_port_pool_th_save $swp3 5 + devlink_port_pool_th_save $swp4 2 + + devlink_tc_bind_pool_th_save $swp1 1 ingress + devlink_tc_bind_pool_th_save $swp2 1 egress + devlink_tc_bind_pool_th_save $swp3 1 egress + devlink_tc_bind_pool_th_save $swp4 1 ingress + + # Control traffic pools. Just reduce the size. Keep them dynamic so that + # we don't need to change all the uninteresting quotas. + devlink_pool_size_thtype_set 0 dynamic $_500KB + devlink_pool_size_thtype_set 4 dynamic $_500KB + + # Overflow pools. + devlink_pool_size_thtype_set 1 static $_10MB + devlink_pool_size_thtype_set 5 static $_10MB + + # PFC pools. As per the writ, the size of egress PFC pool should be + # infinice, but actually it just needs to be large enough to not matter + # in practice, so reuse the 10MB limit. + devlink_pool_size_thtype_set 2 static $_1MB + devlink_pool_size_thtype_set 6 static $_10MB + + # $swp1 + # ----- + + ip link set dev $swp1 up + mtu_set $swp1 10000 + vlan_create $swp1 111 + ip link set dev $swp1.111 type vlan ingress-qos-map 0:0 1:1 + + devlink_port_pool_th_set $swp1 1 $_10MB + devlink_tc_bind_pool_th_set $swp1 1 ingress 1 $_10MB + + # Configure qdisc so that we can configure PG and therefore pool + # assignment. + tc qdisc replace dev $swp1 root handle 1: \ + ets bands 8 strict 8 priomap 7 6 + __mlnx_qos -i $swp1 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null + + # $swp2 + # ----- + + ip link set dev $swp2 up + mtu_set $swp2 10000 + vlan_create $swp2 111 + ip link set dev $swp2.111 type vlan egress-qos-map 0:0 1:1 + + devlink_port_pool_th_set $swp2 6 $_10MB + devlink_tc_bind_pool_th_set $swp2 1 egress 6 $_10MB + + # prio 0->TC0 (band 7), 1->TC1 (band 6). TC1 is shaped. + tc qdisc replace dev $swp2 root handle 1: \ + ets bands 8 strict 8 priomap 7 6 + tc qdisc replace dev $swp2 parent 1:7 handle 17: \ + tbf rate 200Mbit burst 131072 limit 1M + + # $swp3 + # ----- + + ip link set dev $swp3 up + mtu_set $swp3 10000 + vlan_create $swp3 111 + ip link set dev $swp3.111 type vlan egress-qos-map 0:0 1:1 + + devlink_port_pool_th_set $swp3 5 $_10MB + devlink_tc_bind_pool_th_set $swp3 1 egress 5 $_10MB + + # prio 0->TC0 (band 7), 1->TC1 (band 6) + tc qdisc replace dev $swp3 root handle 1: \ + ets bands 8 strict 8 priomap 7 6 + + # Need to enable PFC so that PAUSE takes effect. Therefore need to put + # the lossless prio into a buffer of its own. Don't bother with buffer + # sizes though, there is not going to be any pressure in the "backward" + # direction. + __mlnx_qos -i $swp3 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp3 --pfc=0,1,0,0,0,0,0,0 >/dev/null + + # $swp4 + # ----- + + ip link set dev $swp4 up + mtu_set $swp4 10000 + vlan_create $swp4 111 + ip link set dev $swp4.111 type vlan ingress-qos-map 0:0 1:1 + + devlink_port_pool_th_set $swp4 2 $_1MB + devlink_tc_bind_pool_th_set $swp4 1 ingress 2 $_1MB + + # Configure qdisc so that we can hand-tune headroom. + tc qdisc replace dev $swp4 root handle 1: \ + ets bands 8 strict 8 priomap 7 6 + __mlnx_qos -i $swp4 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp4 --pfc=0,1,0,0,0,0,0,0 >/dev/null + # PG0 will get autoconfigured to Xoff, give PG1 arbitrarily 100K, which + # is (-2*MTU) about 80K of delay provision. + __mlnx_qos -i $swp3 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null + + # bridges + # ------- + + ip link add name br1 type bridge vlan_filtering 0 + ip link set dev $swp1.111 master br1 + ip link set dev $swp3.111 master br1 + ip link set dev br1 up + + ip link add name br2 type bridge vlan_filtering 0 + ip link set dev $swp2.111 master br2 + ip link set dev $swp4.111 master br2 + ip link set dev br2 up +} + +switch_destroy() +{ + # Do this first so that we can reset the limits to values that are only + # valid for the original static / dynamic setting. + devlink_pool_size_thtype_restore 6 + devlink_pool_size_thtype_restore 5 + devlink_pool_size_thtype_restore 4 + devlink_pool_size_thtype_restore 2 + devlink_pool_size_thtype_restore 1 + devlink_pool_size_thtype_restore 0 + + # bridges + # ------- + + ip link set dev br2 down + ip link set dev $swp4.111 nomaster + ip link set dev $swp2.111 nomaster + ip link del dev br2 + + ip link set dev br1 down + ip link set dev $swp3.111 nomaster + ip link set dev $swp1.111 nomaster + ip link del dev br1 + + # $swp4 + # ----- + + __mlnx_qos -i $swp4 --buffer_size=0,0,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp4 --pfc=0,0,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp4 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + tc qdisc del dev $swp4 root + + devlink_tc_bind_pool_th_restore $swp4 1 ingress + devlink_port_pool_th_restore $swp4 2 + + vlan_destroy $swp4 111 + mtu_restore $swp4 + ip link set dev $swp4 down + + # $swp3 + # ----- + + __mlnx_qos -i $swp3 --pfc=0,0,0,0,0,0,0,0 >/dev/null + __mlnx_qos -i $swp3 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + tc qdisc del dev $swp3 root + + devlink_tc_bind_pool_th_restore $swp3 1 egress + devlink_port_pool_th_restore $swp3 5 + + vlan_destroy $swp3 111 + mtu_restore $swp3 + ip link set dev $swp3 down + + # $swp2 + # ----- + + tc qdisc del dev $swp2 parent 1:7 + tc qdisc del dev $swp2 root + + devlink_tc_bind_pool_th_restore $swp2 1 egress + devlink_port_pool_th_restore $swp2 6 + + vlan_destroy $swp2 111 + mtu_restore $swp2 + ip link set dev $swp2 down + + # $swp1 + # ----- + + __mlnx_qos -i $swp1 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + tc qdisc del dev $swp1 root + + devlink_tc_bind_pool_th_restore $swp1 1 ingress + devlink_port_pool_th_restore $swp1 1 + + vlan_destroy $swp1 111 + mtu_restore $swp1 + ip link set dev $swp1 down +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + swp3=${NETIFS[p5]} + swp4=${NETIFS[p6]} + + h2mac=$(mac_get $h2) + + vrf_prepare + + h1_create + h2_create + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + h2_destroy + h1_destroy + + vrf_cleanup +} + +ping_ipv4() +{ + ping_test $h1 192.0.2.34 +} + +test_qos_pfc() +{ + RET=0 + + # 10M pool, each packet is 8K of payload + headers + local pkts=$((_10MB / 8050)) + local size=$((pkts * 8050)) + local in0=$(ethtool_stats_get $swp1 rx_octets_prio_1) + local out0=$(ethtool_stats_get $swp2 tx_octets_prio_1) + + $MZ $h1 -p 8000 -Q 1:111 -A 192.0.2.33 -B 192.0.2.34 \ + -a own -b $h2mac -c $pkts -t udp -q + sleep 2 + + local in1=$(ethtool_stats_get $swp1 rx_octets_prio_1) + local out1=$(ethtool_stats_get $swp2 tx_octets_prio_1) + + local din=$((in1 - in0)) + local dout=$((out1 - out0)) + + local pct_in=$((din * 100 / size)) + + ((pct_in > 95 && pct_in < 105)) + check_err $? "Relative ingress out of expected bounds, $pct_in% should be 100%" + + ((dout == din)) + check_err $? "$((din - dout)) bytes out of $din ingressed got lost" + + log_test "PFC" +} + +trap cleanup EXIT + +bail_on_lldpad +setup_prepare +setup_wait +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_ets.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_ets.sh index 94c37124a840..af64bc9ea8ab 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_ets.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_ets.sh @@ -27,11 +27,17 @@ switch_create() # amount of traffic that is admitted to the shared buffers. This makes # sure that there is always enough traffic of all types to select from # for the DWRR process. + devlink_port_pool_th_save $swp1 0 devlink_port_pool_th_set $swp1 0 12 + devlink_tc_bind_pool_th_save $swp1 0 ingress devlink_tc_bind_pool_th_set $swp1 0 ingress 0 12 + devlink_port_pool_th_save $swp2 4 devlink_port_pool_th_set $swp2 4 12 + devlink_tc_bind_pool_th_save $swp2 7 egress devlink_tc_bind_pool_th_set $swp2 7 egress 4 5 + devlink_tc_bind_pool_th_save $swp2 6 egress devlink_tc_bind_pool_th_set $swp2 6 egress 4 5 + devlink_tc_bind_pool_th_save $swp2 5 egress devlink_tc_bind_pool_th_set $swp2 5 egress 4 5 # Note: sch_ets_core.sh uses VLAN ingress-qos-map to assign packet diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh index 517297a14ecf..b0cb1aaffdda 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh @@ -208,6 +208,7 @@ switch_create() ip link set dev br2_11 up local size=$(devlink_pool_size_thtype 0 | cut -d' ' -f 1) + devlink_port_pool_th_save $swp3 8 devlink_port_pool_th_set $swp3 8 $size } diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh index 4b96561c462f..3e3e06ea5703 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh @@ -24,6 +24,13 @@ tc_police_switch_destroy() simple_if_fini $swp1 } +tc_police_addr() +{ + local num=$1; shift + + printf "2001:db8:1::%x" $num +} + tc_police_rules_create() { local count=$1; shift @@ -34,8 +41,9 @@ tc_police_rules_create() for ((i = 0; i < count; ++i)); do cat >> $TC_POLICE_BATCH_FILE <<-EOF filter add dev $swp1 ingress \ - prot ip \ - flower skip_sw \ + prot ipv6 \ + pref 1000 \ + flower skip_sw dst_ip $(tc_police_addr $i) \ action police rate 10mbit burst 100k \ conform-exceed drop/ok EOF diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh index de4b32fc4223..40909c254365 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -23,6 +23,27 @@ fw_flash_test() devlink dev flash $DL_HANDLE file dummy check_err $? "Failed to flash with status updates on" + devlink dev flash $DL_HANDLE file dummy component fw.mgmt + check_err $? "Failed to flash with component attribute" + + devlink dev flash $DL_HANDLE file dummy overwrite settings + check_fail $? "Flash with overwrite settings should be rejected" + + echo "1"> $DEBUGFS_DIR/fw_update_overwrite_mask + check_err $? "Failed to change allowed overwrite mask" + + devlink dev flash $DL_HANDLE file dummy overwrite settings + check_err $? "Failed to flash with settings overwrite enabled" + + devlink dev flash $DL_HANDLE file dummy overwrite identifiers + check_fail $? "Flash with overwrite settings should be identifiers" + + echo "3"> $DEBUGFS_DIR/fw_update_overwrite_mask + check_err $? "Failed to change allowed overwrite mask" + + devlink dev flash $DL_HANDLE file dummy overwrite identifiers overwrite settings + check_err $? "Failed to flash with settings and identifiers overwrite enabled" + echo "n"> $DEBUGFS_DIR/fw_update_status check_err $? "Failed to disable status updates" diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh new file mode 100755 index 000000000000..25c896b9e2eb --- /dev/null +++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-pause.sh @@ -0,0 +1,108 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0-only + +NSIM_ID=$((RANDOM % 1024)) +NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID +NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0 +NSIM_NETDEV= +num_passes=0 +num_errors=0 + +function cleanup_nsim { + if [ -e $NSIM_DEV_SYS ]; then + echo $NSIM_ID > /sys/bus/netdevsim/del_device + fi +} + +function cleanup { + cleanup_nsim +} + +trap cleanup EXIT + +function get_netdev_name { + local -n old=$1 + + new=$(ls /sys/class/net) + + for netdev in $new; do + for check in $old; do + [ $netdev == $check ] && break + done + + if [ $netdev != $check ]; then + echo $netdev + break + fi + done +} + +function check { + local code=$1 + local str=$2 + local exp_str=$3 + + if [ $code -ne 0 ]; then + ((num_errors++)) + return + fi + + if [ "$str" != "$exp_str" ]; then + echo -e "Expected: '$exp_str', got '$str'" + ((num_errors++)) + return + fi + + ((num_passes++)) +} + +# Bail if ethtool is too old +if ! ethtool -h | grep include-stat 2>&1 >/dev/null; then + echo "SKIP: No --include-statistics support in ethtool" + exit 4 +fi + +# Make a netdevsim +old_netdevs=$(ls /sys/class/net) + +modprobe netdevsim +echo $NSIM_ID > /sys/bus/netdevsim/new_device + +NSIM_NETDEV=`get_netdev_name old_netdevs` + +set -o pipefail + +echo n > $NSIM_DEV_DFS/ethtool/pause/report_stats_tx +echo n > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx + +s=$(ethtool --json -a $NSIM_NETDEV | jq '.[].statistics') +check $? "$s" "null" + +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics') +check $? "$s" "{}" + +echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_tx + +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length') +check $? "$s" "1" + +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames') +check $? "$s" "2" + +echo y > $NSIM_DEV_DFS/ethtool/pause/report_stats_rx + +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics | length') +check $? "$s" "2" + +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.rx_pause_frames') +check $? "$s" "1" +s=$(ethtool -I --json -a $NSIM_NETDEV | jq '.[].statistics.tx_pause_frames') +check $? "$s" "2" + +if [ $num_errors -eq 0 ]; then + echo "PASSED all $((num_passes)) checks" + exit 0 +else + echo "FAILED $num_errors/$((num_errors+num_passes)) checks" + exit 1 +fi 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 ba1d53b9f815..1b08e042cf94 100644..100755 --- a/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh @@ -7,6 +7,7 @@ NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID NSIM_NETDEV= HAS_ETHTOOL= +STATIC_ENTRIES= EXIT_STATUS=0 num_cases=0 num_errors=0 @@ -193,6 +194,21 @@ function check_tables { sleep 0.02 ((retries--)) done + + if [ -n "$HAS_ETHTOOL" -a -n "${STATIC_ENTRIES[0]}" ]; then + fail=0 + for i in "${!STATIC_ENTRIES[@]}"; do + pp_expected=`pre_ethtool ${STATIC_ENTRIES[i]}` + cnt=$(ethtool --show-tunnels $NSIM_NETDEV | grep -c "$pp_expected") + if [ $cnt -ne 1 ]; then + err_cnt "ethtool static entry: $pfx - $msg" + echo " check_table: ethtool does not contain '$pp_expected'" + ethtool --show-tunnels $NSIM_NETDEV + fail=1 + fi + done + [ $fail == 0 ] && pass_cnt + fi } function print_table { @@ -775,6 +791,157 @@ for port in 0 1; do exp1=( 0 0 0 0 ) done +cleanup_nsim + +# shared port tables +pfx="table sharing" + +echo $NSIM_ID > /sys/bus/netdevsim/new_device +echo 0 > $NSIM_DEV_SYS/del_port + +echo 0 > $NSIM_DEV_DFS/udp_ports_open_only +echo 1 > $NSIM_DEV_DFS/udp_ports_sleep +echo 1 > $NSIM_DEV_DFS/udp_ports_shared + +old_netdevs=$(ls /sys/class/net) +echo 1 > $NSIM_DEV_SYS/new_port +NSIM_NETDEV=`get_netdev_name old_netdevs` +old_netdevs=$(ls /sys/class/net) +echo 2 > $NSIM_DEV_SYS/new_port +NSIM_NETDEV2=`get_netdev_name old_netdevs` + +msg="VxLAN v4 devices" +exp0=( `mke 4789 1` 0 0 0 ) +exp1=( 0 0 0 0 ) +new_vxlan vxlan0 4789 $NSIM_NETDEV +new_vxlan vxlan1 4789 $NSIM_NETDEV2 + +msg="VxLAN v4 devices go down" +exp0=( 0 0 0 0 ) +ifconfig vxlan1 down +ifconfig vxlan0 down +check_tables + +for ifc in vxlan0 vxlan1; do + ifconfig $ifc up +done + +msg="VxLAN v6 device" +exp0=( `mke 4789 1` `mke 4790 1` 0 0 ) +new_vxlan vxlanC 4790 $NSIM_NETDEV 6 + +msg="Geneve device" +exp1=( `mke 6081 2` 0 0 0 ) +new_geneve gnv0 6081 + +msg="NIC device goes down" +ifconfig $NSIM_NETDEV down +check_tables + +msg="NIC device goes up again" +ifconfig $NSIM_NETDEV up +check_tables + +for i in `seq 2`; do + msg="turn feature off - 1, rep $i" + ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload off + check_tables + + msg="turn feature off - 2, rep $i" + exp0=( 0 0 0 0 ) + exp1=( 0 0 0 0 ) + ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload off + check_tables + + msg="turn feature on - 1, rep $i" + exp0=( `mke 4789 1` `mke 4790 1` 0 0 ) + exp1=( `mke 6081 2` 0 0 0 ) + ethtool -K $NSIM_NETDEV rx-udp_tunnel-port-offload on + check_tables + + msg="turn feature on - 2, rep $i" + ethtool -K $NSIM_NETDEV2 rx-udp_tunnel-port-offload on + check_tables +done + +msg="tunnels destroyed 1" +cleanup_tuns +exp0=( 0 0 0 0 ) +exp1=( 0 0 0 0 ) +check_tables + +overflow_table0 "overflow NIC table" + +msg="re-add a port" + +echo 2 > $NSIM_DEV_SYS/del_port +echo 2 > $NSIM_DEV_SYS/new_port +check_tables + +msg="replace VxLAN in overflow table" +exp0=( `mke 10000 1` `mke 10004 1` `mke 10002 1` `mke 10003 1` ) +del_dev vxlan1 + +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 +check_tables + +msg="tunnels destroyed 2" +cleanup_tuns +exp0=( 0 0 0 0 ) +exp1=( 0 0 0 0 ) +check_tables + +echo 1 > $NSIM_DEV_SYS/del_port +echo 2 > $NSIM_DEV_SYS/del_port + +cleanup_nsim + +# Static IANA port +pfx="static IANA vxlan" + +echo $NSIM_ID > /sys/bus/netdevsim/new_device +echo 0 > $NSIM_DEV_SYS/del_port + +echo 1 > $NSIM_DEV_DFS/udp_ports_static_iana_vxlan +STATIC_ENTRIES=( `mke 4789 1` ) + +port=1 +old_netdevs=$(ls /sys/class/net) +echo $port > $NSIM_DEV_SYS/new_port +NSIM_NETDEV=`get_netdev_name old_netdevs` + +msg="check empty" +exp0=( 0 0 0 0 ) +exp1=( 0 0 0 0 ) +check_tables + +msg="add on static port" +new_vxlan vxlan0 4789 $NSIM_NETDEV +new_vxlan vxlan1 4789 $NSIM_NETDEV + +msg="add on different port" +exp0=( `mke 4790 1` 0 0 0 ) +new_vxlan vxlan2 4790 $NSIM_NETDEV + +cleanup_tuns + +msg="tunnels destroyed" +exp0=( 0 0 0 0 ) +exp1=( 0 0 0 0 ) +check_tables + +msg="different type" +new_geneve gnv0 4789 + +cleanup_tuns +cleanup_nsim + +# END + modprobe -r netdevsim if [ $num_errors -eq 0 ]; then diff --git a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh new file mode 100755 index 000000000000..beee0d5646a6 --- /dev/null +++ b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh @@ -0,0 +1,316 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright 2020 NXP Semiconductors + +WAIT_TIME=1 +NUM_NETIFS=4 +lib_dir=$(dirname $0)/../../../net/forwarding +source $lib_dir/tc_common.sh +source $lib_dir/lib.sh + +require_command tcpdump + +# +# +---------------------------------------------+ +# | DUT ports Generator ports | +# | +--------+ +--------+ +--------+ +--------+ | +# | | | | | | | | | | +# | | eth0 | | eth1 | | eth2 | | eth3 | | +# | | | | | | | | | | +# +-+--------+-+--------+-+--------+-+--------+-+ +# | | | | +# | | | | +# | +-----------+ | +# | | +# +--------------------------------+ + +eth0=${NETIFS[p1]} +eth1=${NETIFS[p2]} +eth2=${NETIFS[p3]} +eth3=${NETIFS[p4]} + +eth0_mac="de:ad:be:ef:00:00" +eth1_mac="de:ad:be:ef:00:01" +eth2_mac="de:ad:be:ef:00:02" +eth3_mac="de:ad:be:ef:00:03" + +# Helpers to map a VCAP IS1 and VCAP IS2 lookup and policy to a chain number +# used by the kernel driver. The numbers are: +# VCAP IS1 lookup 0: 10000 +# VCAP IS1 lookup 1: 11000 +# VCAP IS1 lookup 2: 12000 +# VCAP IS2 lookup 0 policy 0: 20000 +# VCAP IS2 lookup 0 policy 1: 20001 +# VCAP IS2 lookup 0 policy 255: 20255 +# VCAP IS2 lookup 1 policy 0: 21000 +# VCAP IS2 lookup 1 policy 1: 21001 +# VCAP IS2 lookup 1 policy 255: 21255 +IS1() +{ + local lookup=$1 + + echo $((10000 + 1000 * lookup)) +} + +IS2() +{ + local lookup=$1 + local pag=$2 + + echo $((20000 + 1000 * lookup + pag)) +} + +ES0() +{ + echo 0 +} + +# The Ocelot switches have a fixed ingress pipeline composed of: +# +# +----------------------------------------------+ +-----------------------------------------+ +# | VCAP IS1 | | VCAP IS2 | +# | | | | +# | +----------+ +----------+ +----------+ | | +----------+ +----------+ | +# | | Lookup 0 | | Lookup 1 | | Lookup 2 | | --+------> PAG 0: | Lookup 0 | -> | Lookup 1 | | +# | +----------+ -> +----------+ -> +----------+ | | | +----------+ +----------+ | +# | |key&action| |key&action| |key&action| | | | |key&action| |key&action| | +# | |key&action| |key&action| |key&action| | | | | .. | | .. | | +# | | .. | | .. | | .. | | | | +----------+ +----------+ | +# | +----------+ +----------+ +----------+ | | | | +# | selects PAG | | | +----------+ +----------+ | +# +----------------------------------------------+ +------> PAG 1: | Lookup 0 | -> | Lookup 1 | | +# | | +----------+ +----------+ | +# | | |key&action| |key&action| | +# | | | .. | | .. | | +# | | +----------+ +----------+ | +# | | ... | +# | | | +# | | +----------+ +----------+ | +# +----> PAG 254: | Lookup 0 | -> | Lookup 1 | | +# | | +----------+ +----------+ | +# | | |key&action| |key&action| | +# | | | .. | | .. | | +# | | +----------+ +----------+ | +# | | | +# | | +----------+ +----------+ | +# +----> PAG 255: | Lookup 0 | -> | Lookup 1 | | +# | +----------+ +----------+ | +# | |key&action| |key&action| | +# | | .. | | .. | | +# | +----------+ +----------+ | +# +-----------------------------------------+ +# +# Both the VCAP IS1 (Ingress Stage 1) and IS2 (Ingress Stage 2) are indexed +# (looked up) multiple times: IS1 3 times, and IS2 2 times. Each filter +# (key and action pair) can be configured to only match during the first, or +# second, etc, lookup. +# +# During one TCAM lookup, the filter processing stops at the first entry that +# matches, then the pipeline jumps to the next lookup. +# The driver maps each individual lookup of each individual ingress TCAM to a +# separate chain number. For correct rule offloading, it is mandatory that each +# filter installed in one TCAM is terminated by a non-optional GOTO action to +# the next lookup from the fixed pipeline. +# +# A chain can only be used if there is a GOTO action correctly set up from the +# prior lookup in the processing pipeline. Setting up all chains is not +# mandatory. + +# NOTE: VCAP IS1 currently uses only S1_NORMAL half keys and VCAP IS2 +# dynamically chooses between MAC_ETYPE, ARP, IP4_TCP_UDP, IP4_OTHER, which are +# all half keys as well. + +create_tcam_skeleton() +{ + local eth=$1 + + tc qdisc add dev $eth clsact + + # VCAP IS1 is the Ingress Classification TCAM and can offload the + # following actions: + # - skbedit priority + # - vlan pop + # - vlan modify + # - goto (only in lookup 2, the last IS1 lookup) + tc filter add dev $eth ingress chain 0 pref 49152 flower \ + skip_sw action goto chain $(IS1 0) + tc filter add dev $eth ingress chain $(IS1 0) pref 49152 \ + flower skip_sw action goto chain $(IS1 1) + tc filter add dev $eth ingress chain $(IS1 1) pref 49152 \ + flower skip_sw action goto chain $(IS1 2) + tc filter add dev $eth ingress chain $(IS1 2) pref 49152 \ + flower skip_sw action goto chain $(IS2 0 0) + + # VCAP IS2 is the Security Enforcement ingress TCAM and can offload the + # following actions: + # - trap + # - drop + # - police + # The two VCAP IS2 lookups can be segmented into up to 256 groups of + # rules, called Policies. A Policy is selected through the Policy + # Association Group (PAG) action of VCAP IS1 (which is the + # GOTO offload). + tc filter add dev $eth ingress chain $(IS2 0 0) pref 49152 \ + flower skip_sw action goto chain $(IS2 1 0) +} + +setup_prepare() +{ + create_tcam_skeleton $eth0 + + ip link add br0 type bridge + ip link set $eth0 master br0 + ip link set $eth1 master br0 + ip link set br0 up + + ip link add link $eth3 name $eth3.100 type vlan id 100 + ip link set $eth3.100 up + + ip link add link $eth3 name $eth3.200 type vlan id 200 + ip link set $eth3.200 up + + tc filter add dev $eth0 ingress chain $(IS1 1) pref 1 \ + protocol 802.1Q flower skip_sw vlan_id 100 \ + action vlan pop \ + action goto chain $(IS1 2) + + tc filter add dev $eth0 egress chain $(ES0) pref 1 \ + flower skip_sw indev $eth1 \ + action vlan push protocol 802.1Q id 100 + + tc filter add dev $eth0 ingress chain $(IS1 0) pref 2 \ + protocol ipv4 flower skip_sw src_ip 10.1.1.2 \ + action skbedit priority 7 \ + action goto chain $(IS1 1) + + tc filter add dev $eth0 ingress chain $(IS2 0 0) pref 1 \ + protocol ipv4 flower skip_sw ip_proto udp dst_port 5201 \ + action police rate 50mbit burst 64k \ + action goto chain $(IS2 1 0) +} + +cleanup() +{ + ip link del $eth3.200 + ip link del $eth3.100 + tc qdisc del dev $eth0 clsact + ip link del br0 +} + +test_vlan_pop() +{ + printf "Testing VLAN pop.. " + + tcpdump_start $eth2 + + # Work around Mausezahn VLAN builder bug + # (https://github.com/netsniff-ng/netsniff-ng/issues/225) by using + # an 8021q upper + $MZ $eth3.100 -q -c 1 -p 64 -a $eth3_mac -b $eth2_mac -t ip + + sleep 1 + + tcpdump_stop + + if tcpdump_show | grep -q "$eth3_mac > $eth2_mac, ethertype IPv4"; then + echo "OK" + else + echo "FAIL" + fi + + tcpdump_cleanup +} + +test_vlan_push() +{ + printf "Testing VLAN push.. " + + tcpdump_start $eth3.100 + + $MZ $eth2 -q -c 1 -p 64 -a $eth2_mac -b $eth3_mac -t ip + + sleep 1 + + tcpdump_stop + + if tcpdump_show | grep -q "$eth2_mac > $eth3_mac"; then + echo "OK" + else + echo "FAIL" + fi + + tcpdump_cleanup +} + +test_vlan_modify() +{ + printf "Testing VLAN modification.. " + + ip link set br0 type bridge vlan_filtering 1 + bridge vlan add dev $eth0 vid 200 + bridge vlan add dev $eth0 vid 300 + bridge vlan add dev $eth1 vid 300 + + tc filter add dev $eth0 ingress chain $(IS1 2) pref 3 \ + protocol 802.1Q flower skip_sw vlan_id 200 \ + action vlan modify id 300 \ + action goto chain $(IS2 0 0) + + tcpdump_start $eth2 + + $MZ $eth3.200 -q -c 1 -p 64 -a $eth3_mac -b $eth2_mac -t ip + + sleep 1 + + tcpdump_stop + + if tcpdump_show | grep -q "$eth3_mac > $eth2_mac, .* vlan 300"; then + echo "OK" + else + echo "FAIL" + fi + + tcpdump_cleanup + + tc filter del dev $eth0 ingress chain $(IS1 2) pref 3 + + bridge vlan del dev $eth0 vid 200 + bridge vlan del dev $eth0 vid 300 + bridge vlan del dev $eth1 vid 300 + ip link set br0 type bridge vlan_filtering 0 +} + +test_skbedit_priority() +{ + local num_pkts=100 + + printf "Testing frame prioritization.. " + + before=$(ethtool_stats_get $eth0 'rx_green_prio_7') + + $MZ $eth3 -q -c $num_pkts -p 64 -a $eth3_mac -b $eth2_mac -t ip -A 10.1.1.2 + + after=$(ethtool_stats_get $eth0 'rx_green_prio_7') + + if [ $((after - before)) = $num_pkts ]; then + echo "OK" + else + echo "FAIL" + fi +} + +trap cleanup EXIT + +ALL_TESTS=" + test_vlan_pop + test_vlan_push + test_vlan_modify + test_skbedit_priority +" + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |