#!/bin/sh # SPDX-License-Identifier: GPL-2.0-or-later # Copyright (c) 2006 International Business Machines Corp. # Copyright (c) 2020 Joerg Vehlow # Author: Mitsuru Chinen # # 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