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#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../../..)
source $rootdir/test/common/autotest_common.sh
source $rootdir/test/iscsi_tgt/common.sh
function node_login_fio_logout() {
for arg in "$@"; do
iscsiadm -m node -p $TARGET_IP:$ISCSI_PORT -o update -n node.conn[0].iscsi.$arg
done
iscsiadm -m node --login -p $TARGET_IP:$ISCSI_PORT
sleep 1
$fio_py 512 1 write 2
$fio_py 512 1 read 2
iscsiadm -m node --logout -p $TARGET_IP:$ISCSI_PORT
sleep 1
}
function iscsi_header_digest_test() {
# Enable HeaderDigest to CRC32C
timing_enter HeaderDigest_enabled
node_login_fio_logout "HeaderDigest -v CRC32C"
timing_exit HeaderDigest_enabled
# Let iscsi target to decide its preference on
# HeaderDigest based on its capability.
timing_enter preferred
node_login_fio_logout "HeaderDigest -v CRC32C,None"
timing_exit preferred
}
function iscsi_header_data_digest_test() {
# Only enable HeaderDigest to CRC32C
timing_enter HeaderDigest_enabled
node_login_fio_logout "HeaderDigest -v CRC32C" "DataDigest -v None"
timing_exit HeaderDigest_enabled
# Only enable DataDigest to CRC32C
timing_enter DataDigest_enabled
node_login_fio_logout "HeaderDigest -v None" "DataDigest -v CRC32C"
timing_exit DataDigest_enabled
# Let iscsi target to decide its preference on both
# HeaderDigest and DataDigest based on its capability.
timing_enter both_preferred
node_login_fio_logout "HeaderDigest -v CRC32C,None" "DataDigest -v CRC32C,None"
timing_exit both_preferred
# Enable HeaderDigest and DataDigest both.
timing_enter both_enabled
node_login_fio_logout "HeaderDigest -v CRC32C" "DataDigest -v CRC32C"
timing_exit both_enabled
}
timing_enter digests
MALLOC_BDEV_SIZE=64
MALLOC_BLOCK_SIZE=512
rpc_py="$rootdir/scripts/rpc.py"
fio_py="$rootdir/scripts/fio.py"
timing_enter start_iscsi_tgt
$ISCSI_APP -m $ISCSI_TEST_CORE_MASK --wait-for-rpc &
pid=$!
echo "Process pid: $pid"
trap "killprocess $pid; exit 1" SIGINT SIGTERM EXIT
waitforlisten $pid
$rpc_py set_iscsi_options -o 30 -a 16
$rpc_py start_subsystem_init
echo "iscsi_tgt is listening. Running tests..."
timing_exit start_iscsi_tgt
$rpc_py add_portal_group $PORTAL_TAG $TARGET_IP:$ISCSI_PORT
$rpc_py add_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK
$rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE
# "Malloc0:0" ==> use Malloc0 blockdev for LUN0
# "1:2" ==> map PortalGroup1 to InitiatorGroup2
# "64" ==> iSCSI queue depth 64
# "-d" ==> disable CHAP authentication
$rpc_py construct_target_node Target3 Target3_alias 'Malloc0:0' $PORTAL_TAG:$INITIATOR_TAG 64 -d
sleep 1
iscsiadm -m discovery -t sendtargets -p $TARGET_IP:$ISCSI_PORT
# iscsiadm installed by some Fedora releases loses DataDigest parameter.
# Check and avoid setting DataDigest.
DataDigestAbility=$(iscsiadm -m node -p $TARGET_IP:$ISCSI_PORT | grep DataDigest || true)
if [ "$DataDigestAbility"x = x ]; then
iscsi_header_digest_test
else
iscsi_header_data_digest_test
fi
trap - SIGINT SIGTERM EXIT
iscsicleanup
killprocess $pid
timing_exit digests
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