2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Facebook
4 # Copyright (c) 2019 Cloudflare
7 readonly NS1="ns1-$(mktemp -u XXXXXX)"
12 printf "Wait for IP %s to become available " "$1"
13 for _i in $(seq ${MAX_PING_TRIES}); do
15 if ns1_exec ping -c 1 -W 1 "$1" >/dev/null 2>&1; then
21 echo 1>&2 "ERROR: Timeout waiting for test IP to become available."
27 awk '/ id / {sub(/.* id /, "", $0); print($1)}'
32 ip netns exec ${NS1} "$@"
38 ns1_exec ip link set lo up
40 ns1_exec sysctl -w net.ipv4.tcp_syncookies=2
41 ns1_exec sysctl -w net.ipv4.tcp_window_scaling=0
42 ns1_exec sysctl -w net.ipv4.tcp_timestamps=0
43 ns1_exec sysctl -w net.ipv4.tcp_sack=0
51 ip netns del ns1 2>/dev/null || :
56 trap cleanup EXIT 2 3 6 15
59 printf "Testing clsact..."
60 ns1_exec tc qdisc add dev "${TEST_IF}" clsact
61 ns1_exec tc filter add dev "${TEST_IF}" ingress \
62 bpf obj "${BPF_PROG_OBJ}" sec "${CLSACT_SECTION}" da
64 BPF_PROG_ID=$(ns1_exec tc filter show dev "${TEST_IF}" ingress | \
66 ns1_exec "${PROG}" "${BPF_PROG_ID}"
67 ns1_exec tc qdisc del dev "${TEST_IF}" clsact
69 printf "Testing XDP..."
70 ns1_exec ip link set "${TEST_IF}" xdp \
71 object "${BPF_PROG_OBJ}" section "${XDP_SECTION}"
72 BPF_PROG_ID=$(ns1_exec ip link show "${TEST_IF}" | get_prog_id)
73 ns1_exec "${PROG}" "${BPF_PROG_ID}"
79 BPF_PROG_OBJ="${DIR}/test_tcp_check_syncookie_kern.bpf.o"
83 PROG="${DIR}/test_tcp_check_syncookie_user"