| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Sun, 24 Feb 2019 06:46:34 +0000
From: Ido Schimmel <idosch@...lanox.com>
To: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC: "davem@...emloft.net" <davem@...emloft.net>,
Jiri Pirko <jiri@...lanox.com>, mlxsw <mlxsw@...lanox.com>,
Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 15/15] selftests: mlxsw: spectrum-2: Add massive
delta rehash test
From: Jiri Pirko <jiri@...lanox.com>
Do insertions and removal of filters during rehash in higher volumes.
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
.../drivers/net/mlxsw/spectrum-2/tc_flower.sh | 166 ++++++++++++++++++
1 file changed, 166 insertions(+)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
index f454b3c3601f..a372b2f60874 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
@@ -644,6 +644,172 @@ delta_simple_ipv6_rehash_test()
log_test "delta simple IPv6 rehash test ($tcflags)"
}
+TEST_RULE_BASE=256
+declare -a test_rules_inserted
+
+test_rule_add()
+{
+ local iface=$1
+ local tcflags=$2
+ local index=$3
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ${test_rules_inserted[$index]} ; then
+ return
+ fi
+
+ local number=$(( $index + $TEST_RULE_BASE ))
+ printf -v hexnumber '%x' $number
+
+ batch="${batch}filter add dev $iface ingress protocol ipv6 pref 1 \
+ handle $number flower $tcflags \
+ src_ip 2001:db8:1::$hexnumber action drop\n"
+ test_rules_inserted[$index]=true
+}
+
+test_rule_del()
+{
+ local iface=$1
+ local index=$2
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ! ${test_rules_inserted[$index]} ; then
+ return
+ fi
+
+ local number=$(( $index + $TEST_RULE_BASE ))
+ printf -v hexnumber '%x' $number
+
+ batch="${batch}filter del dev $iface ingress protocol ipv6 pref 1 \
+ handle $number flower\n"
+ test_rules_inserted[$index]=false
+}
+
+test_rule_add_or_remove()
+{
+ local iface=$1
+ local tcflags=$2
+ local index=$3
+
+ if ! [ ${test_rules_inserted[$index]} ] ; then
+ test_rules_inserted[$index]=false
+ fi
+ if ${test_rules_inserted[$index]} ; then
+ test_rule_del $iface $index
+ else
+ test_rule_add $iface $tcflags $index
+ fi
+}
+
+test_rule_add_or_remove_random_batch()
+{
+ local iface=$1
+ local tcflags=$2
+ local total_count=$3
+ local skip=0
+ local count=0
+ local MAXSKIP=20
+ local MAXCOUNT=20
+
+ for ((i=1;i<=total_count;i++)); do
+ if (( $skip == 0 )) && (($count == 0)); then
+ ((skip=$RANDOM % $MAXSKIP + 1))
+ ((count=$RANDOM % $MAXCOUNT + 1))
+ fi
+ if (( $skip != 0 )); then
+ ((skip-=1))
+ else
+ ((count-=1))
+ test_rule_add_or_remove $iface $tcflags $i
+ fi
+ done
+}
+
+delta_massive_ipv6_rehash_test()
+{
+ RET=0
+
+ if [[ "$tcflags" != "skip_sw" ]]; then
+ return 0;
+ fi
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ tp_record_all mlxsw:mlxsw_sp_acl_tcam_vregion_rehash 7
+ tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash
+ check_fail $? "Rehash trace was hit even when rehash should be disabled"
+
+ RANDOM=4432897
+ declare batch=""
+ test_rule_add_or_remove_random_batch $h2 $tcflags 5000
+
+ echo -n -e $batch | tc -b -
+
+ declare batch=""
+ test_rule_add_or_remove_random_batch $h2 $tcflags 5000
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 3000
+ check_err $? "Failed to set ACL region rehash interval"
+
+ sleep 1
+
+ tc filter add dev $h2 ingress protocol ipv6 pref 1 handle 101 flower \
+ $tcflags dst_ip 2001:db8:1::0/121 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 2 handle 102 flower \
+ $tcflags dst_ip 2001:db8:2::2 action drop
+ tc filter add dev $h2 ingress protocol ipv6 pref 3 handle 103 flower \
+ $tcflags dst_ip 2001:db8:3::0/120 action drop
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter"
+
+ tc_check_packets "dev $h2 ingress" 102 1
+ check_err $? "Did not match on correct filter"
+
+ echo -n -e $batch | tc -b -
+
+ devlink dev param set $DEVLINK_DEV \
+ name acl_region_rehash_interval cmode runtime value 0
+ check_err $? "Failed to set ACL region rehash interval"
+
+ $MZ $h1 -6 -c 1 -p 64 -a $h1mac -b $h2mac \
+ -A 2001:db8:2::1 -B 2001:db8:2::2 -t udp -q
+
+ tc_check_packets "dev $h2 ingress" 101 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 103 1
+ check_fail $? "Matched a wrong filter after rehash"
+
+ tc_check_packets "dev $h2 ingress" 102 2
+ check_err $? "Did not match on correct filter after rehash"
+
+ tc filter del dev $h2 ingress protocol ipv6 pref 3 handle 103 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 2 handle 102 flower
+ tc filter del dev $h2 ingress protocol ipv6 pref 1 handle 101 flower
+
+ declare batch=""
+ for i in {1..5000}; do
+ test_rule_del $h2 $tcflags $i
+ done
+ echo -e $batch | tc -b -
+
+ log_test "delta massive IPv6 rehash test ($tcflags)"
+}
+
bloom_simple_test()
{
# Bloom filter requires that the eRP table is used. This test
--
2.20.1
Powered by blists - more mailing lists