Commit 3b423271 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

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



Track the basic codepaths of delta handling, using objagg 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 c22291f7
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+81 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@
lib_dir=$(dirname $0)/../../../../net/forwarding

ALL_TESTS="single_mask_test identical_filters_test two_masks_test \
	multiple_masks_test ctcam_edge_cases_test"
	multiple_masks_test ctcam_edge_cases_test delta_simple_test"
NUM_NETIFS=2
source $lib_dir/tc_common.sh
source $lib_dir/lib.sh
@@ -324,6 +324,86 @@ ctcam_edge_cases_test()
	ctcam_no_atcam_masks_test
}

tp_record()
{
	local tracepoint=$1
	local cmd=$2

	perf record -q -e $tracepoint $cmd
	return $?
}

tp_check_hits()
{
	local tracepoint=$1
	local count=$2

	perf_output=`perf script -F trace:event,trace`
	hits=`echo $perf_output | grep "$tracepoint:" | wc -l`
	if [[ "$count" -ne "$hits" ]]; then
		return 1
	fi
	return 0
}

delta_simple_test()
{
	# The first filter will create eRP, the second filter will fit into
	# the first eRP with delta. Remove the first rule then and check that
        # the eRP stays (referenced by the second filter).

	RET=0

	if [[ "$tcflags" != "skip_sw" ]]; then
		return 0;
	fi

	tp_record "objagg:*" "tc filter add dev $h2 ingress protocol ip \
		   pref 1 handle 101 flower $tcflags dst_ip 192.0.0.0/24 \
		   action drop"
	tp_check_hits "objagg:objagg_obj_root_create" 1
	check_err $? "eRP was not created"

	tp_record "objagg:*" "tc filter add dev $h2 ingress protocol ip \
		   pref 2 handle 102 flower $tcflags dst_ip 192.0.2.2 \
		   action drop"
	tp_check_hits "objagg:objagg_obj_root_create" 0
	check_err $? "eRP was incorrectly created"
	tp_check_hits "objagg:objagg_obj_parent_assign" 1
	check_err $? "delta was not created"

	$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" 102 1
	check_err $? "Did not match on correct filter"

	tp_record "objagg:*" "tc filter del dev $h2 ingress protocol ip \
		   pref 1 handle 101 flower"
	tp_check_hits "objagg:objagg_obj_root_destroy" 0
	check_err $? "eRP was incorrectly destroyed"
	tp_check_hits "objagg:objagg_obj_parent_unassign" 0
	check_err $? "delta was incorrectly destroyed"

	$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" 102 2
	check_err $? "Did not match on correct filter after the first was removed"

	tp_record "objagg:*" "tc filter del dev $h2 ingress protocol ip \
		   pref 2 handle 102 flower"
	tp_check_hits "objagg:objagg_obj_parent_unassign" 1
	check_err $? "delta was not destroyed"
	tp_check_hits "objagg:objagg_obj_root_destroy" 1
	check_err $? "eRP was not destroyed"

	log_test "delta simple test ($tcflags)"
}

setup_prepare()
{
	h1=${NETIFS[p1]}