2 # SPDX-License-Identifier: GPL-2.0
4 # Test for resource limit of offloaded flower rules. The test adds a given
5 # number of flower matches for different IPv6 addresses, then generates traffic,
6 # and ensures each was hit exactly once. This file contains functions to set up
7 # a testing topology and run the test, and is meant to be sourced from a test
8 # script that calls the testing routine with a given number of rules.
10 TC_FLOWER_NUM_NETIFS=2
15 tc qdisc add dev $h1 clsact
18 tc_flower_h1_destroy()
20 tc qdisc del dev $h1 clsact
27 tc qdisc add dev $h2 clsact
30 tc_flower_h2_destroy()
32 tc qdisc del dev $h2 clsact
36 tc_flower_setup_prepare()
56 if [[ -v TC_FLOWER_BATCH_FILE ]]; then
57 rm -f $TC_FLOWER_BATCH_FILE
65 printf "2001:db8:1::%x" $num
68 tc_flower_rules_create()
71 local should_fail=$1; shift
73 TC_FLOWER_BATCH_FILE="$(mktemp)"
75 for ((i = 0; i < count; ++i)); do
76 cat >> $TC_FLOWER_BATCH_FILE <<-EOF
77 filter add dev $h2 ingress \
80 flower $tcflags dst_ip $(tc_flower_addr $i) \
85 tc -b $TC_FLOWER_BATCH_FILE
86 check_err_fail $should_fail $? "Rule insertion"
92 local should_fail=$1; shift
93 local last=$((count - 1))
95 tc_flower_rules_create $count $should_fail
97 for ((i = 0; i < count; ++i)); do
98 $MZ $h1 -q -c 1 -t ip -p 20 -b bc -6 \
100 -B $(tc_flower_addr $i)
104 tc -j -s filter show dev $h2 ingress |
105 jq -r '[ .[] | select(.kind == "flower") | .options |
106 values as $rule | .actions[].stats.packets |
107 select(. != 1) | "\(.) on \($rule.keys.dst_ip)" ] |
111 test -z "$MISMATCHES"
112 check_err $? "Expected to capture 1 packet for each IP, but got $MISMATCHES"
117 local count=$1; shift
118 local should_fail=$1; shift
120 # We use lower 16 bits of IPv6 address for match. Also there are only 16
121 # bits of rule priority space.
122 if ((count > 65536)); then
123 check_err 1 "Invalid count of $count. At most 65536 rules supported"
127 if ! tc_offload_check $TC_FLOWER_NUM_NETIFS; then
128 check_err 1 "Could not test offloaded functionality"
133 __tc_flower_test $count $should_fail