test/iscsi: add digests enabled test

iscsi_tgt tests with different header and data
digests configuration.

Change-Id: I6e444eacccebccd66c099ea349be4bdeb063ba67
Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/393717
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

test/iscsi_tgt/digests/digests.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+testdir=$(readlink -f $(dirname $0))
+rootdir=$(readlink -f $testdir/../../..)
+source $rootdir/scripts/autotest_common.sh
+source $rootdir/test/iscsi_tgt/common.sh
+
+function node_login_fio_logout()
+{
+	iscsiadm -m node --login -p $TARGET_IP:$PORT
+	sleep 1
+	$fio_py 512 1 write 2
+	$fio_py 512 1 read 2
+	iscsiadm -m node --logout -p $TARGET_IP:$PORT
+	sleep 1
+}
+
+timing_enter digests
+
+# iSCSI target configuration
+PORT=3260
+INITIATOR_TAG=2
+INITIATOR_NAME=ANY
+NETMASK=$INITIATOR_IP/32
+MALLOC_BDEV_SIZE=64
+MALLOC_BLOCK_SIZE=512
+
+rpc_py="python $rootdir/scripts/rpc.py"
+fio_py="python $rootdir/scripts/fio.py"
+
+timing_enter start_iscsi_tgt
+
+$ISCSI_APP -c $testdir/iscsi.conf -m $ISCSI_TEST_CORE_MASK &
+pid=$!
+echo "Process pid: $pid"
+
+trap "killprocess $pid; exit 1" SIGINT SIGTERM EXIT
+
+waitforlisten $pid
+echo "iscsi_tgt is listening. Running tests..."
+
+timing_exit start_iscsi_tgt
+
+$rpc_py add_portal_group 1 $TARGET_IP:$PORT
+$rpc_py add_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK
+$rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE
+# "Malloc0:0" ==> use Malloc0 blockdev for LUN0
+# "1:2" ==> map PortalGroup1 to InitiatorGroup2
+# "64" ==> iSCSI queue depth 64
+# "1 0 0 0" ==> disable CHAP authentication
+$rpc_py construct_target_node Target3 Target3_alias 'Malloc0:0' '1:2' 64 1 0 0 0
+sleep 1
+
+iscsiadm -m discovery -t sendtargets -p $TARGET_IP:$PORT
+
+# Only enable HeaderDigest to CRC32C
+timing_enter HeaderDigest_enabled
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.HeaderDigest -v CRC32C
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.DataDigest -v None
+node_login_fio_logout
+timing_exit HeaderDigest_enabled
+
+# Only enable DataDigest to CRC32C
+timing_enter DataDigest_enabled
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.HeaderDigest -v None
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.DataDigest -v CRC32C
+node_login_fio_logout
+timing_exit DataDigest_enabled
+
+# Let iscsi target to decide its preference on both
+# HeaderDigest and DataDigest based on its capability.
+timing_enter both_preferred
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.HeaderDigest -v CRC32C,None
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.DataDigest -v CRC32C,None
+node_login_fio_logout
+timing_exit both_preferred
+
+# Enable HeaderDigest and DataDigest both.
+timing_enter both_enabled
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.HeaderDigest -v CRC32C
+iscsiadm -m node -p $TARGET_IP:$PORT -o update -n node.conn[0].iscsi.DataDigest -v CRC32C
+node_login_fio_logout
+timing_exit both_enabled
+
+trap - SIGINT SIGTERM EXIT
+
+iscsicleanup
+killprocess $pid
+timing_exit digests

test/iscsi_tgt/digests/iscsi.conf

@@ -0,0 +1,10 @@
+[Global]
+
+[iSCSI]
+  NodeBase "iqn.2016-06.io.spdk"
+  AuthFile /usr/local/etc/spdk/auth.conf
+  Timeout 30
+  DiscoveryAuthMethod Auto
+  MaxSessions 16
+  ImmediateData Yes
+  ErrorRecoveryLevel 0

test/iscsi_tgt/iscsi_tgt.sh

@@ -40,6 +40,7 @@ if [ $RUN_NIGHTLY -eq 1 ]; then
 	run_test ./test/iscsi_tgt/idle_migration/idle_migration.sh
 	run_test ./test/iscsi_tgt/ip_migration/ip_migration.sh
 	run_test ./test/iscsi_tgt/ext4test/ext4test.sh
+	run_test ./test/iscsi_tgt/digests/digests.sh
 fi
 if [ $SPDK_TEST_RBD -eq 1 ]; then
 	run_test ./test/iscsi_tgt/rbd/rbd.sh