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