X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/38da9088282b3a74ddcbfe8d60382b55a7e9f426..18eacc1185bea956bd9c793ab34e582c08941799:/test/scripts/4058-pipe-conn-tfo/4058?ds=sidebyside diff --git a/test/scripts/4058-pipe-conn-tfo/4058 b/test/scripts/4058-pipe-conn-tfo/4058 index f31ef8d1c..999cfad4a 100644 --- a/test/scripts/4058-pipe-conn-tfo/4058 +++ b/test/scripts/4058-pipe-conn-tfo/4058 @@ -1,13 +1,16 @@ # Early-pipelining, with TFO # +# NOTE: ensure that TFO is fully enabled in the kernel. +# For linux: sysctl net.ipv4.tcp_fastopen=3 +# # # Packet delays so we can see TFO operational in packet captures # Wipe any stored TFO cookie, to start from known state. # Disable TFO blackhole-detection as we seem to be running afoul of that sudo perl system ("tc qdisc add dev lo root netem delay 50ms"); -system ("ip tcp_metrics delete 127.0.0.1"); -system ("echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); +system ("ip tcp_metrics delete HOSTIPV4"); +system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); **** # # @@ -72,7 +75,7 @@ killdaemon # sudo perl system ("tc qdisc delete dev lo root"); -system ("echo 3600 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); +system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 3600 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); **** # no_msglog_check