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Commit c478d3c3 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

selftests: mlxsw: spectrum-2: Add simple delta rehash test 



Track the basic codepaths of delta rehash handling,
using mlxsw tracepoints.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3985de72

tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh

+74 −3
Original line number Diff line number Diff line
@@ -9,11 +9,11 @@ lib_dir=$(dirname $0)/../../../../net/forwarding 


ALL_TESTS="single_mask_test identical_filters_test two_masks_test \

	multiple_masks_test ctcam_edge_cases_test delta_simple_test \

	delta_two_masks_one_key_test bloom_simple_test \

	bloom_complex_test bloom_delta_test"

	delta_two_masks_one_key_test delta_simple_rehash_test \

	bloom_simple_test bloom_complex_test bloom_delta_test"

NUM_NETIFS=2

source $lib_dir/tc_common.sh

source $lib_dir/lib.sh

source $lib_dir/devlink_lib.sh



tcflags="skip_hw"
@@ -494,6 +494,77 @@ delta_two_masks_one_key_test() 
	log_test "delta two masks one key test ($tcflags)"

}



delta_simple_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"



	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 ip pref 1 handle 101 flower \

		$tcflags dst_ip 192.0.1.0/25 action drop

	tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \

		$tcflags dst_ip 192.0.2.2 action drop

	tc filter add dev $h2 ingress protocol ip pref 3 handle 103 flower \

		$tcflags dst_ip 192.0.3.0/24 action drop



	$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \

		-t ip -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"



	tp_record_all mlxsw:* 3

	tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash

	check_err $? "Rehash trace was not hit"

	tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate

	check_err $? "Migrate trace was not hit"

	tp_record_all mlxsw:* 3

	tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_rehash

	check_err $? "Rehash trace was not hit"

	tp_check_hits_any mlxsw:mlxsw_sp_acl_tcam_vregion_migrate

	check_fail $? "Migrate trace was hit when no migration should happen"



	$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \

		-t ip -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 ip pref 3 handle 103 flower

	tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower

	tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower



	log_test "delta simple rehash test ($tcflags)"

}



bloom_simple_test()

{

	# Bloom filter requires that the eRP table is used. This test