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selftests: mlxsw: Add shared buffer traffic test
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@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Shalom Toledo
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David S. Miller
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Feb 27, 2020
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tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,222 @@ | ||
| #!/bin/bash | ||
| # SPDX-License-Identifier: GPL-2.0 | ||
|
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||
| ALL_TESTS=" | ||
| port_pool_test | ||
| port_tc_ip_test | ||
| port_tc_arp_test | ||
| " | ||
|
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||
| NUM_NETIFS=2 | ||
| source ../../../net/forwarding/lib.sh | ||
| source ../../../net/forwarding/devlink_lib.sh | ||
| source mlxsw_lib.sh | ||
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| SB_POOL_ING=0 | ||
| SB_POOL_EGR_CPU=10 | ||
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| SB_ITC_CPU_IP=3 | ||
| SB_ITC_CPU_ARP=2 | ||
| SB_ITC=0 | ||
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| h1_create() | ||
| { | ||
| simple_if_init $h1 192.0.1.1/24 | ||
| } | ||
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| h1_destroy() | ||
| { | ||
| simple_if_fini $h1 192.0.1.1/24 | ||
| } | ||
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| h2_create() | ||
| { | ||
| simple_if_init $h2 192.0.1.2/24 | ||
| } | ||
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| h2_destroy() | ||
| { | ||
| simple_if_fini $h2 192.0.1.2/24 | ||
| } | ||
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| sb_occ_pool_check() | ||
| { | ||
| local dl_port=$1; shift | ||
| local pool=$1; shift | ||
| local exp_max_occ=$1 | ||
| local max_occ | ||
| local err=0 | ||
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| max_occ=$(devlink sb -j occupancy show $dl_port \ | ||
| | jq -e ".[][][\"pool\"][\"$pool\"][\"max\"]") | ||
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| if [[ "$max_occ" -ne "$exp_max_occ" ]]; then | ||
| err=1 | ||
| fi | ||
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| echo $max_occ | ||
| return $err | ||
| } | ||
|
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| sb_occ_itc_check() | ||
| { | ||
| local dl_port=$1; shift | ||
| local itc=$1; shift | ||
| local exp_max_occ=$1 | ||
| local max_occ | ||
| local err=0 | ||
|
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| max_occ=$(devlink sb -j occupancy show $dl_port \ | ||
| | jq -e ".[][][\"itc\"][\"$itc\"][\"max\"]") | ||
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| if [[ "$max_occ" -ne "$exp_max_occ" ]]; then | ||
| err=1 | ||
| fi | ||
|
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| echo $max_occ | ||
| return $err | ||
| } | ||
|
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| sb_occ_etc_check() | ||
| { | ||
| local dl_port=$1; shift | ||
| local etc=$1; shift | ||
| local exp_max_occ=$1; shift | ||
| local max_occ | ||
| local err=0 | ||
|
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| max_occ=$(devlink sb -j occupancy show $dl_port \ | ||
| | jq -e ".[][][\"etc\"][\"$etc\"][\"max\"]") | ||
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| if [[ "$max_occ" -ne "$exp_max_occ" ]]; then | ||
| err=1 | ||
| fi | ||
|
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| echo $max_occ | ||
| return $err | ||
| } | ||
|
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| port_pool_test() | ||
| { | ||
| local exp_max_occ=288 | ||
| local max_occ | ||
|
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| devlink sb occupancy clearmax $DEVLINK_DEV | ||
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| $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ | ||
| -t ip -q | ||
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| devlink sb occupancy snapshot $DEVLINK_DEV | ||
|
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| RET=0 | ||
| max_occ=$(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" | ||
|
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| 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" | ||
|
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| 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" | ||
| } | ||
|
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| port_tc_ip_test() | ||
| { | ||
| local exp_max_occ=288 | ||
| local max_occ | ||
|
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| devlink sb occupancy clearmax $DEVLINK_DEV | ||
|
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| $MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \ | ||
| -t ip -q | ||
|
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| devlink sb occupancy snapshot $DEVLINK_DEV | ||
|
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| RET=0 | ||
| max_occ=$(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" | ||
|
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||
| 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" | ||
|
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| 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" | ||
| } | ||
|
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| port_tc_arp_test() | ||
| { | ||
| local exp_max_occ=96 | ||
| local max_occ | ||
|
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| if [[ $MLXSW_CHIP != "mlxsw_spectrum" ]]; then | ||
| exp_max_occ=144 | ||
| fi | ||
|
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| devlink sb occupancy clearmax $DEVLINK_DEV | ||
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| $MZ $h1 -c 1 -p 160 -a $h1mac -A 192.0.1.1 -t arp -q | ||
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| devlink sb occupancy snapshot $DEVLINK_DEV | ||
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| RET=0 | ||
| max_occ=$(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" | ||
|
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||
| 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" | ||
|
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| 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 $max_occ" | ||
| log_test "CPU port's egress TC - ARP packet" | ||
| } | ||
|
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| setup_prepare() | ||
| { | ||
| h1=${NETIFS[p1]} | ||
| h2=${NETIFS[p2]} | ||
|
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| h1mac=$(mac_get $h1) | ||
| h2mac=$(mac_get $h2) | ||
|
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| dl_port1=$(devlink_port_by_netdev $h1) | ||
| dl_port2=$(devlink_port_by_netdev $h2) | ||
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| cpu_dl_port=$(devlink_cpu_port_get) | ||
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| vrf_prepare | ||
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| h1_create | ||
| h2_create | ||
| } | ||
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| cleanup() | ||
| { | ||
| pre_cleanup | ||
|
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| h2_destroy | ||
| h1_destroy | ||
|
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| vrf_cleanup | ||
| } | ||
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| trap cleanup EXIT | ||
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| setup_prepare | ||
| setup_wait | ||
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| tests_run | ||
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| exit $EXIT_STATUS |