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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 multiple
- # multicast groups on separate sockets, then receiving a large number of
- # Multicast Address and Source Specific Queries
- TST_NEEDS_ROOT=1
- TST_NEEDS_TMPDIR=1
- TST_SETUP="mcast_setup_normal"
- TST_CLEANUP="mcast_cleanup"
- TST_TESTFUNC="do_test"
- . mcast-lib.sh
- SRC_ADDR_IPV4=10.10.10.1
- SRC_ADDR_IPV6=fec0:100:100:100::1
- FILTER_MODE="include"
- do_test()
- {
- tst_res TINFO "joining $MCASTNUM_NORMAL IPv${TST_IPVER} multicast groups on separate sockets, then receiving a large number of Multicast Address and Source Specific Queries in $NS_DURATION seconds"
- local prefix="$MCAST_IPV4_ADDR_PREFIX"
- local src_addr="$SRC_ADDR_IPV4"
- if [ "$TST_IPV6" ]; then
- prefix="$MCAST_IPV6_ADDR_PREFIX"
- src_addr="$SRC_ADDR_IPV6"
- fi
- # Run a multicast join tool
- local tmpfile=$$
- EXPECT_PASS $MCAST_LCMD -n $MCASTNUM_NORMAL -p $prefix -s $src_addr -F $FILTER_MODE \> $tmpfile
- tst_res TINFO "joined $(grep groups $tmpfile)"
- # Send Multicast Address Specific Queries from the remote host
- local n=0
- while [ $n -lt $MCASTNUM_NORMAL ]; do
- # Define the multicast address
- if [ "$TST_IPV6" ]; then
- local n_hex=$(printf "%x" $n)
- local addr=${MCAST_IPV6_ADDR_PREFIX}:${n_hex}
- else
- local x=$((n / 254))
- local y=$((n % 254 + 1))
- local addr=${MCAST_IPV4_ADDR_PREFIX}.${x}.${y}
- fi
- local params="-m $addr -s $src_addr"
- [ "$TST_IPV6" ] && params="-S $(tst_ipaddr) -m -D $addr -a $src_addr"
- tst_rhost_run -c "$MCAST_RCMD -t $NS_DURATION -r 0 -b $params"
- n=$((n+1))
- done
- sleep $NS_DURATION
- tst_res TPASS "test finished successfully"
- }
- tst_run
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