test/nvmf: only run RDMA NIC setup once

Change-Id: I69607670de95652f997712ad3e7441718c97e3ab
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>

autotest.sh

@@ -2,6 +2,7 @@
 
 rootdir=$(readlink -f $(dirname $0))
 source "$rootdir/scripts/autotest_common.sh"
+source "$rootdir/test/nvmf/common.sh"
 
 set -xe
 
@@ -43,6 +44,10 @@ timing_enter afterboot
 ./scripts/setup.sh
 timing_exit afterboot
 
+timing_enter nvmf_setup
+rdma_device_init
+timing_exit nvmf_setup
+
 #####################
 # Unit Tests
 #####################

test/nvmf/common.sh

@@ -8,7 +8,7 @@ NVMF_FIRST_TARGET_IP=$NVMF_IP_PREFIX.$NVMF_IP_LEAST_ADDR
 function load_ib_rdma_modules()
 {
 	if [ `uname` != Linux ]; then
-		exit 0
+		return 0
 	fi
 
 	modprobe ib_cm
@@ -23,13 +23,17 @@ function load_ib_rdma_modules()
 
 function detect_mellanox_nics()
 {
+	if ! hash lspci; then
+		return 0
+	fi
+
 	nvmf_nic_bdfs=`lspci | grep Ethernet | grep Mellanox | awk -F ' ' '{print "0000:"$1}'`
 	mlx_core_driver="mlx4_core"
 	mlx_ib_driver="mlx4_ib"
 	mlx_en_driver="mlx4_en"
 
 	if [ -z "$nvmf_nic_bdfs" ]; then
-		exit 0
+		return 0
 	fi
 
 	# for nvmf target loopback test, suppose we only have one type of card.
@@ -68,8 +72,6 @@ function detect_mellanox_nics()
 	# The mlx4 driver takes an extra few seconds to load after modprobe returns,
 	# otherwise ifconfig operations will do nothing.
 	sleep 5
-
-	trap - SIGINT SIGTERM EXIT
 }
 
 function detect_rdma_nics()
@@ -84,16 +86,12 @@ function allocate_nic_ips()
 	for nic_type in `ls /sys/class/infiniband`; do
 		for nic_name in `ls /sys/class/infiniband/${nic_type}/device/net`; do
 			ifconfig $nic_name $NVMF_IP_PREFIX.$count netmask 255.255.255.0 up
+
+			# dump configuration for debug log
+			ifconfig $nic_name
 			let count=$count+1
 		done
 	done
-
-	# check whether the IP is configured
-	result=`ifconfig | grep $NVMF_IP_PREFIX`
-	if [ -z "$result" ]; then
-		echo "no NIC for nvmf test"
-		exit 0
-	fi
 }
 
 function nvmfcleanup()
@@ -109,3 +107,7 @@ function rdma_device_init()
 	allocate_nic_ips
 }
 
+function rdma_nic_available()
+{
+	ifconfig | grep -q $NVMF_IP_PREFIX
+}

test/nvmf/discovery/discovery.sh

@@ -5,14 +5,17 @@ rootdir=$(readlink -f $testdir/../../..)
 source $rootdir/scripts/autotest_common.sh
 source $rootdir/test/nvmf/common.sh
 
+set -e
+
 if ! hash nvme; then
 	echo "nvme command not found; skipping discovery test"
 	exit 0
 fi
 
-rdma_device_init
-
-set -e
+if ! rdma_nic_available; then
+	echo "no NIC for nvmf test"
+	exit 0
+fi
 
 timing_enter discovery
 

test/nvmf/filesystem/filesystem.sh

@@ -31,10 +31,13 @@ function filesystem_test()
 	done
 }
 
-rdma_device_init
-
 set -e
 
+if ! rdma_nic_available; then
+	echo "no NIC for nvmf test"
+	exit 0
+fi
+
 timing_enter fs_test
 
 # Start up the NVMf target in another process

test/nvmf/fio/fio.sh

@@ -5,10 +5,13 @@ rootdir=$(readlink -f $testdir/../../..)
 source $rootdir/scripts/autotest_common.sh
 source $rootdir/test/nvmf/common.sh
 
-rdma_device_init
-
 set -e
 
+if ! rdma_nic_available; then
+	echo "no NIC for nvmf test"
+	exit 0
+fi
+
 timing_enter fio
 
 # Start up the NVMf target in another process