diff options
Diffstat (limited to 'tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh')
-rwxr-xr-x | tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh index 4a6f5c3b3215..eb9553e4986b 100755 --- a/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh +++ b/tools/testing/selftests/netfilter/ipip-conntrack-mtu.sh @@ -41,7 +41,7 @@ checktool (){ checktool "iptables --version" "run test without iptables" checktool "ip -Version" "run test without ip tool" -checktool "which nc" "run test without nc (netcat)" +checktool "which socat" "run test without socat" checktool "ip netns add ${r_a}" "create net namespace" for n in ${r_b} ${r_w} ${c_a} ${c_b};do @@ -60,11 +60,12 @@ trap cleanup EXIT test_path() { msg="$1" - ip netns exec ${c_b} nc -n -w 3 -q 3 -u -l -p 5000 > ${rx} < /dev/null & + ip netns exec ${c_b} socat -t 3 - udp4-listen:5000,reuseaddr > ${rx} < /dev/null & sleep 1 for i in 1 2 3; do - head -c1400 /dev/zero | tr "\000" "a" | ip netns exec ${c_a} nc -n -w 1 -u 192.168.20.2 5000 + head -c1400 /dev/zero | tr "\000" "a" | \ + ip netns exec ${c_a} socat -t 1 -u STDIN UDP:192.168.20.2:5000 done wait @@ -189,7 +190,7 @@ ip netns exec ${r_w} sysctl -q net.ipv4.conf.all.forwarding=1 > /dev/null #--------------------- #Now we send a 1400 bytes UDP packet from Client A to Client B: -# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | nc -u 192.168.20.2 5000 +# clienta:~# head -c1400 /dev/zero | tr "\000" "a" | socat -u STDIN UDP:192.168.20.2:5000 test_path "without" # The IPv4 stack on Client A already knows the PMTU to Client B, so the |