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- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0-or-later
- # Copyright (c) 2006 International Business Machines Corp.
- # Copyright (c) 2020 Joerg Vehlow <joerg.vehlow@aox-tech.de>
- # Author: Mitsuru Chinen <mitch@jp.ibm.com>
- #
- # Verify that the kernel is not crashed when joining a multicast group with
- # a single socket, then receiving a large number of UDP packets at the socket
- TST_NEEDS_ROOT=1
- TST_NEEDS_TMPDIR=1
- TST_SETUP="mcast_setup_normal_udp"
- TST_CLEANUP="mcast_cleanup"
- TST_TESTFUNC="do_test"
- . mcast-lib.sh
- do_test()
- {
- tst_res TINFO "joining an IPv${TST_IPVER} multicast group with a single socket, then receiving a large number of UDP packets at the socket in $NS_DURATION seconds"
- local addr="$MCAST_IPV4_ADDR"
- [ "$TST_IPV6" ] && addr="$MCAST_IPV6_ADDR"
- local port=$(tst_get_unused_port ipv${TST_IPVER} dgram)
- [ $? -ne 0 ] && tst_brk TBROK "no free udp port available"
- # Run a receiver
- ROD $MCAST_LCMD -f $TST_IPVER -I $(tst_iface lhost) -m $addr -p $port -b
- # Run a sender
- tst_rhost_run -s -c "$MCAST_RCMD -D $addr -f $TST_IPVER -p $port -s 32767 -m -I $(tst_iface rhost) -t $NS_DURATION"
- tst_res TPASS "test finished successfully"
- }
- tst_run
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