Commit 5d06a76d authored by Nir Dotan's avatar Nir Dotan Committed by David S. Miller
Browse files

selftests: mlxsw: Add Bloom delta test 



The eRP table is active when there is more than a single rule
pattern. It may be that the patterns are close enough and use delta
mechanism. Bloom filter index computation is based on the values of
{rule & mask, mask ID, region ID} where the rule delta bits must be
cleared.

Add a test that exercises Bloom filter with delta mechanism.
Configure rules within delta range and pass a packet which is
supposed to hit the correct rule.

Signed-off-by: default avatarNir Dotan <nird@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5118ca4e

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

+36 −1
Original line number Diff line number Diff line
@@ -9,7 +9,7 @@ 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 \

	bloom_simple_test bloom_complex_test"

	bloom_simple_test bloom_complex_test bloom_delta_test"

NUM_NETIFS=2

source $lib_dir/tc_common.sh

source $lib_dir/lib.sh
@@ -542,6 +542,41 @@ bloom_complex_test() 
	log_test "bloom complex test ($tcflags)"

}





bloom_delta_test()

{

	# When multiple masks are used, the eRP table is activated. When

	# masks are close enough (delta) the masks reside on the same

	# eRP table. This test verifies that the eRP table is correctly

	# allocated and used in delta condition and that Bloom filter is

	# still functional with delta.



	RET=0



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

		$tcflags dst_ip 192.1.0.0/16 action drop



	$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.1.2.1 -B 192.1.2.2 \

		-t ip -q



	tc_check_packets "dev $h2 ingress" 103 1

	check_err $? "Single filter - did not match"



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

		$tcflags dst_ip 192.2.1.0/24 action drop



	$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.2.1.1 -B 192.2.1.2 \

		-t ip -q



	tc_check_packets "dev $h2 ingress" 102 1

	check_err $? "Delta filters - did not match second filter"



	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



	log_test "bloom delta test ($tcflags)"

}



setup_prepare()

{

	h1=${NETIFS[p1]}

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