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Message-Id: <20200227075021.3472-14-jiri@resnulli.us>
Date: Thu, 27 Feb 2020 08:50:18 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, kuba@...nel.org, idosch@...lanox.com,
mlxsw@...lanox.com, shuah@...nel.org
Subject: [patch net-next 13/16] selftests: mlxsw: Add shared buffer traffic test
From: Shalom Toledo <shalomt@...lanox.com>
Test the max shared buffer occupancy for port's pool and port's TC's (using
different types of packets).
Signed-off-by: Shalom Toledo <shalomt@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
.../drivers/net/mlxsw/sharedbuffer.sh | 222 ++++++++++++++++++
1 file changed, 222 insertions(+)
create mode 100755 tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
diff --git a/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
new file mode 100755
index 000000000000..58f3a05f08af
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
@@ -0,0 +1,222 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="
+ port_pool_test
+ port_tc_ip_test
+ port_tc_arp_test
+"
+
+NUM_NETIFS=2
+source ../../../net/forwarding/lib.sh
+source ../../../net/forwarding/devlink_lib.sh
+source mlxsw_lib.sh
+
+SB_POOL_ING=0
+SB_POOL_EGR_CPU=10
+
+SB_ITC_CPU_IP=3
+SB_ITC_CPU_ARP=2
+SB_ITC=0
+
+h1_create()
+{
+ simple_if_init $h1 192.0.1.1/24
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.1.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.1.2/24
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2 192.0.1.2/24
+}
+
+sb_occ_pool_check()
+{
+ local dl_port=$1; shift
+ local pool=$1; shift
+ local exp_max_occ=$1
+ local max_occ
+ local err=0
+
+ max_occ=$(devlink sb -j occupancy show $dl_port \
+ | jq -e ".[][][\"pool\"][\"$pool\"][\"max\"]")
+
+ if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
+ err=1
+ fi
+
+ echo $max_occ
+ return $err
+}
+
+sb_occ_itc_check()
+{
+ local dl_port=$1; shift
+ local itc=$1; shift
+ local exp_max_occ=$1
+ local max_occ
+ local err=0
+
+ max_occ=$(devlink sb -j occupancy show $dl_port \
+ | jq -e ".[][][\"itc\"][\"$itc\"][\"max\"]")
+
+ if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
+ err=1
+ fi
+
+ echo $max_occ
+ return $err
+}
+
+sb_occ_etc_check()
+{
+ local dl_port=$1; shift
+ local etc=$1; shift
+ local exp_max_occ=$1; shift
+ local max_occ
+ local err=0
+
+ max_occ=$(devlink sb -j occupancy show $dl_port \
+ | jq -e ".[][][\"etc\"][\"$etc\"][\"max\"]")
+
+ if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
+ err=1
+ fi
+
+ echo $max_occ
+ return $err
+}
+
+port_pool_test()
+{
+ local exp_max_occ=288
+ local max_occ
+
+ devlink sb occupancy clearmax $DEVLINK_DEV
+
+ $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
+ -t ip -q
+
+ devlink sb occupancy snapshot $DEVLINK_DEV
+
+ RET=0
+ max_occ=$(sb_occ_pool_check $dl_port1 $SB_POOL_ING $exp_max_occ)
+ check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h1) ingress pool"
+
+ RET=0
+ max_occ=$(sb_occ_pool_check $dl_port2 $SB_POOL_ING $exp_max_occ)
+ check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h2) ingress pool"
+
+ RET=0
+ max_occ=$(sb_occ_pool_check $cpu_dl_port $SB_POOL_EGR_CPU $exp_max_occ)
+ check_err $? "Expected ePool($SB_POOL_EGR_CPU) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "CPU port's egress pool"
+}
+
+port_tc_ip_test()
+{
+ local exp_max_occ=288
+ local max_occ
+
+ devlink sb occupancy clearmax $DEVLINK_DEV
+
+ $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
+ -t ip -q
+
+ devlink sb occupancy snapshot $DEVLINK_DEV
+
+ RET=0
+ max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
+ check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h1) ingress TC - IP packet"
+
+ RET=0
+ max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
+ check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h2) ingress TC - IP packet"
+
+ RET=0
+ max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_IP $exp_max_occ)
+ check_err $? "Expected egress TC($SB_ITC_CPU_IP) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "CPU port's egress TC - IP packet"
+}
+
+port_tc_arp_test()
+{
+ local exp_max_occ=96
+ local max_occ
+
+ if [[ $MLXSW_CHIP != "mlxsw_spectrum" ]]; then
+ exp_max_occ=144
+ fi
+
+ devlink sb occupancy clearmax $DEVLINK_DEV
+
+ $MZ $h1 -c 1 -p 160 -a $h1mac -A 192.0.1.1 -t arp -q
+
+ devlink sb occupancy snapshot $DEVLINK_DEV
+
+ RET=0
+ max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
+ check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h1) ingress TC - ARP packet"
+
+ RET=0
+ max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
+ check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "physical port's($h2) ingress TC - ARP packet"
+
+ RET=0
+ max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_ARP $exp_max_occ)
+ check_err $? "Expected egress TC($SB_ITC_IP2ME) max occupancy to be $exp_max_occ, but got $max_occ"
+ log_test "CPU port's egress TC - ARP packet"
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ h2=${NETIFS[p2]}
+
+ h1mac=$(mac_get $h1)
+ h2mac=$(mac_get $h2)
+
+ dl_port1=$(devlink_port_by_netdev $h1)
+ dl_port2=$(devlink_port_by_netdev $h2)
+
+ cpu_dl_port=$(devlink_cpu_port_get)
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
--
2.21.1
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