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-rw-r--r--vswitches/ovs_dpdk_vhost.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/vswitches/ovs_dpdk_vhost.py b/vswitches/ovs_dpdk_vhost.py
index 11b32c88..6deb0c25 100644
--- a/vswitches/ovs_dpdk_vhost.py
+++ b/vswitches/ovs_dpdk_vhost.py
@@ -114,12 +114,15 @@ class OvsDpdkVhost(IVSwitchOvs):
Creates a port of type dpdk.
The new port is named dpdk<n> where n is an integer starting from 0.
"""
+ _nics = S.getValue('NICS')
bridge = self._bridges[switch_name]
dpdk_count = self._get_port_count('type=dpdk')
+ if dpdk_count == len(_nics):
+ raise RuntimeError("Can't add phy port! There are only {} ports defined "
+ "by WHITELIST_NICS parameter!".format(len(_nics)))
port_name = 'dpdk' + str(dpdk_count)
# PCI info. Please note there must be no blank space, eg must be
# like 'options:dpdk-devargs=0000:06:00.0'
- _nics = S.getValue('NICS')
nic_pci = 'options:dpdk-devargs=' + _nics[dpdk_count]['pci']
params = ['--', 'set', 'Interface', port_name, 'type=dpdk', nic_pci]
# multi-queue enable