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# Network configuration
TARGET_INTERFACE="spdk_tgt_int"
INITIATOR_INTERFACE="spdk_init_int"
TARGET_NAMESPACE="spdk_iscsi_ns"
TARGET_NS_CMD="ip netns exec $TARGET_NAMESPACE"
# iSCSI target configuration
TARGET_IP=10.0.0.1
INITIATOR_IP=10.0.0.2
ISCSI_PORT=3260
NETMASK=$INITIATOR_IP/32
INITIATOR_TAG=2
INITIATOR_NAME=ANY
PORTAL_TAG=1
ISCSI_APP="$TARGET_NS_CMD ./app/iscsi_tgt/iscsi_tgt -i 0"
ISCSI_TEST_CORE_MASK=0xFF
function create_veth_interfaces() {
# $1 = test type (posix/vpp)
ip netns del $TARGET_NAMESPACE || true
ip link delete $INITIATOR_INTERFACE || true
trap "cleanup_veth_interfaces $1; exit 1" SIGINT SIGTERM EXIT
# Create veth (Virtual ethernet) interface pair
ip link add $INITIATOR_INTERFACE type veth peer name $TARGET_INTERFACE
ip addr add $INITIATOR_IP/24 dev $INITIATOR_INTERFACE
ip link set $INITIATOR_INTERFACE up
# Create and add interface for target to network namespace
ip netns add $TARGET_NAMESPACE
ip link set $TARGET_INTERFACE netns $TARGET_NAMESPACE
$TARGET_NS_CMD ip link set lo up
$TARGET_NS_CMD ip addr add $TARGET_IP/24 dev $TARGET_INTERFACE
$TARGET_NS_CMD ip link set $TARGET_INTERFACE up
# Verify connectivity
ping -c 1 $TARGET_IP
ip netns exec $TARGET_NAMESPACE ping -c 1 $INITIATOR_IP
}
function cleanup_veth_interfaces() {
# $1 = test type (posix/vpp)
# Cleanup veth interfaces and network namespace
# Note: removing one veth, removes the pair
ip link delete $INITIATOR_INTERFACE
ip netns del $TARGET_NAMESPACE
}
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