cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sharedbuffer.sh (4569B)


      1#!/bin/bash
      2# SPDX-License-Identifier: GPL-2.0
      3
      4ALL_TESTS="
      5	port_pool_test
      6	port_tc_ip_test
      7	port_tc_arp_test
      8"
      9
     10NUM_NETIFS=2
     11source ../../../net/forwarding/lib.sh
     12source ../../../net/forwarding/devlink_lib.sh
     13source mlxsw_lib.sh
     14
     15SB_POOL_ING=0
     16SB_POOL_EGR_CPU=10
     17
     18SB_ITC_CPU_IP=2
     19SB_ITC_CPU_ARP=2
     20SB_ITC=0
     21
     22h1_create()
     23{
     24	simple_if_init $h1 192.0.1.1/24
     25}
     26
     27h1_destroy()
     28{
     29	simple_if_fini $h1 192.0.1.1/24
     30}
     31
     32h2_create()
     33{
     34	simple_if_init $h2 192.0.1.2/24
     35}
     36
     37h2_destroy()
     38{
     39	simple_if_fini $h2 192.0.1.2/24
     40}
     41
     42sb_occ_pool_check()
     43{
     44	local dl_port=$1; shift
     45	local pool=$1; shift
     46	local exp_max_occ=$1
     47	local max_occ
     48	local err=0
     49
     50	max_occ=$(devlink sb -j occupancy show $dl_port \
     51		  | jq -e ".[][][\"pool\"][\"$pool\"][\"max\"]")
     52
     53	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
     54		err=1
     55	fi
     56
     57	echo $max_occ
     58	return $err
     59}
     60
     61sb_occ_itc_check()
     62{
     63	local dl_port=$1; shift
     64	local itc=$1; shift
     65	local exp_max_occ=$1
     66	local max_occ
     67	local err=0
     68
     69	max_occ=$(devlink sb -j occupancy show $dl_port \
     70		  | jq -e ".[][][\"itc\"][\"$itc\"][\"max\"]")
     71
     72	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
     73		err=1
     74	fi
     75
     76	echo $max_occ
     77	return $err
     78}
     79
     80sb_occ_etc_check()
     81{
     82	local dl_port=$1; shift
     83	local etc=$1; shift
     84	local exp_max_occ=$1; shift
     85	local max_occ
     86	local err=0
     87
     88	max_occ=$(devlink sb -j occupancy show $dl_port \
     89		  | jq -e ".[][][\"etc\"][\"$etc\"][\"max\"]")
     90
     91	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
     92		err=1
     93	fi
     94
     95	echo $max_occ
     96	return $err
     97}
     98
     99port_pool_test()
    100{
    101	local exp_max_occ=288
    102	local max_occ
    103
    104	devlink sb occupancy clearmax $DEVLINK_DEV
    105
    106	$MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
    107		-t ip -q
    108
    109	devlink sb occupancy snapshot $DEVLINK_DEV
    110
    111	RET=0
    112	max_occ=$(sb_occ_pool_check $dl_port1 $SB_POOL_ING $exp_max_occ)
    113	check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
    114	log_test "physical port's($h1) ingress pool"
    115
    116	RET=0
    117	max_occ=$(sb_occ_pool_check $dl_port2 $SB_POOL_ING $exp_max_occ)
    118	check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
    119	log_test "physical port's($h2) ingress pool"
    120
    121	RET=0
    122	max_occ=$(sb_occ_pool_check $cpu_dl_port $SB_POOL_EGR_CPU $exp_max_occ)
    123	check_err $? "Expected ePool($SB_POOL_EGR_CPU) max occupancy to be $exp_max_occ, but got $max_occ"
    124	log_test "CPU port's egress pool"
    125}
    126
    127port_tc_ip_test()
    128{
    129	local exp_max_occ=288
    130	local max_occ
    131
    132	devlink sb occupancy clearmax $DEVLINK_DEV
    133
    134	$MZ $h1 -c 1 -p 160 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
    135		-t ip -q
    136
    137	devlink sb occupancy snapshot $DEVLINK_DEV
    138
    139	RET=0
    140	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
    141	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
    142	log_test "physical port's($h1) ingress TC - IP packet"
    143
    144	RET=0
    145	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
    146	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
    147	log_test "physical port's($h2) ingress TC - IP packet"
    148
    149	RET=0
    150	max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_IP $exp_max_occ)
    151	check_err $? "Expected egress TC($SB_ITC_CPU_IP) max occupancy to be $exp_max_occ, but got $max_occ"
    152	log_test "CPU port's egress TC - IP packet"
    153}
    154
    155port_tc_arp_test()
    156{
    157	local exp_max_occ=96
    158	local max_occ
    159
    160	if [[ $MLXSW_CHIP != "mlxsw_spectrum" ]]; then
    161		exp_max_occ=144
    162	fi
    163
    164	devlink sb occupancy clearmax $DEVLINK_DEV
    165
    166	$MZ $h1 -c 1 -p 160 -a $h1mac -A 192.0.1.1 -t arp -q
    167
    168	devlink sb occupancy snapshot $DEVLINK_DEV
    169
    170	RET=0
    171	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
    172	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
    173	log_test "physical port's($h1) ingress TC - ARP packet"
    174
    175	RET=0
    176	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
    177	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
    178	log_test "physical port's($h2) ingress TC - ARP packet"
    179
    180	RET=0
    181	max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_ARP $exp_max_occ)
    182	check_err $? "Expected egress TC($SB_ITC_IP2ME) max occupancy to be $exp_max_occ, but got $max_occ"
    183	log_test "CPU port's egress TC - ARP packet"
    184}
    185
    186setup_prepare()
    187{
    188	h1=${NETIFS[p1]}
    189	h2=${NETIFS[p2]}
    190
    191	h1mac=$(mac_get $h1)
    192	h2mac=$(mac_get $h2)
    193
    194	dl_port1=$(devlink_port_by_netdev $h1)
    195	dl_port2=$(devlink_port_by_netdev $h2)
    196
    197	cpu_dl_port=$(devlink_cpu_port_get)
    198
    199	vrf_prepare
    200
    201	h1_create
    202	h2_create
    203}
    204
    205cleanup()
    206{
    207	pre_cleanup
    208
    209	h2_destroy
    210	h1_destroy
    211
    212	vrf_cleanup
    213}
    214
    215trap cleanup EXIT
    216
    217setup_prepare
    218setup_wait
    219
    220tests_run
    221
    222exit $EXIT_STATUS