selftests: mlxsw: Add Bloom filter complex test (5118ca4e) · Commits · 戴 / test

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

+84 −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_simple_test bloom_complex_test"
		NUM_NETIFS=2
		source $lib_dir/tc_common.sh
		source $lib_dir/lib.sh
		@@ -459,6 +459,89 @@ bloom_simple_test()
		log_test "bloom simple test ($tcflags)"
		}

		bloom_complex_test()
		{
		# Bloom filter index computation is affected from region ID, eRP
		# ID and from the region key size. In order to excercise those parts
		# of the Bloom filter code, use a series of regions, each with a
		# different key size and send packet that should hit all of them.
		local index

		RET=0
		NUM_CHAINS=4
		BASE_INDEX=100

		# Create chain with up to 2 key blocks (ip_proto only)
		tc chain add dev $h2 ingress chain 1 protocol ip flower \
		ip_proto tcp &> /dev/null
		# Create chain with 2-4 key blocks (ip_proto, src MAC)
		tc chain add dev $h2 ingress chain 2 protocol ip flower \
		ip_proto tcp \
		src_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF &> /dev/null
		# Create chain with 4-8 key blocks (ip_proto, src & dst MAC, IPv4 dest)
		tc chain add dev $h2 ingress chain 3 protocol ip flower \
		ip_proto tcp \
		dst_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF \
		src_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF \
		dst_ip 0.0.0.0/32 &> /dev/null
		# Default chain contains all fields and therefore is 8-12 key blocks
		tc chain add dev $h2 ingress chain 4

		# We need at least 2 rules in every region to have eRP table active
		# so create a dummy rule per chain using a different pattern
		for i in $(eval echo {0..$NUM_CHAINS}); do
		index=$((BASE_INDEX - 1 - i))
		tc filter add dev $h2 ingress chain $i protocol ip \
		pref 2 handle $index flower \
		$tcflags ip_proto tcp action drop
		done

		# Add rules to test Bloom filter, each in a different chain
		index=$BASE_INDEX
		tc filter add dev $h2 ingress protocol ip \
		pref 1 handle $((++index)) flower \
		$tcflags dst_ip 192.0.0.0/16 action goto chain 1
		tc filter add dev $h2 ingress chain 1 protocol ip \
		pref 1 handle $((++index)) flower \
		$tcflags action goto chain 2
		tc filter add dev $h2 ingress chain 2 protocol ip \
		pref 1 handle $((++index)) flower \
		$tcflags src_mac $h1mac action goto chain 3
		tc filter add dev $h2 ingress chain 3 protocol ip \
		pref 1 handle $((++index)) flower \
		$tcflags dst_ip 192.0.0.0/8 action goto chain 4
		tc filter add dev $h2 ingress chain 4 protocol ip \
		pref 1 handle $((++index)) flower \
		$tcflags src_ip 192.0.2.0/24 action drop

		# Send a packet that is supposed to hit all chains
		$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
		-t ip -q

		for i in $(eval echo {0..$NUM_CHAINS}); do
		index=$((BASE_INDEX + i + 1))
		tc_check_packets "dev $h2 ingress" $index 1
		check_err $? "Did not match chain $i"
		done

		# Rules cleanup
		for i in $(eval echo {$NUM_CHAINS..0}); do
		index=$((BASE_INDEX - i - 1))
		tc filter del dev $h2 ingress chain $i \
		pref 2 handle $index flower
		index=$((BASE_INDEX + i + 1))
		tc filter del dev $h2 ingress chain $i \
		pref 1 handle $index flower
		done

		# Chains cleanup
		for i in $(eval echo {$NUM_CHAINS..1}); do
		tc chain del dev $h2 ingress chain $i
		done

		log_test "bloom complex test ($tcflags)"
		}

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

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