From: Nir Dotan <n...@mellanox.com>
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: Nir Dotan <n...@mellanox.com>
Signed-off-by: Ido Schimmel <ido...@mellanox.com>
---
.../drivers/net/mlxsw/spectrum-2/tc_flower.sh | 37 ++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)
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 a7667ebc578f..b41d6256b2d0 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
@@ -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]}
--
2.20.0
