selftests: mlxsw: spectrum-2: Add massive delta 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