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-rw-r--r--src/vnet/dev/api.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/vnet/dev/api.c b/src/vnet/dev/api.c
index 4d556c72367..73d315db519 100644
--- a/src/vnet/dev/api.c
+++ b/src/vnet/dev/api.c
@@ -143,6 +143,7 @@ vnet_dev_api_create_port_if (vlib_main_t *vm,
vnet_dev_t *dev = vnet_dev_by_id (args->device_id);
vnet_dev_port_t *port = 0;
u16 n_threads = vlib_get_n_threads ();
+ int default_is_intr_mode;
log_debug (dev,
"create_port_if: device '%s' port %u intf_name '%s' num_rx_q %u "
@@ -168,6 +169,13 @@ vnet_dev_api_create_port_if (vlib_main_t *vm,
if (port->interface_created)
return VNET_DEV_ERR_ALREADY_EXISTS;
+ default_is_intr_mode = (args->flags.e & VNET_DEV_PORT_F_INTERRUPT_MODE) != 0;
+ if (default_is_intr_mode && port->attr.caps.interrupt_mode == 0)
+ {
+ log_err (dev, "interrupt mode requested and port doesn't support it");
+ return VNET_DEV_ERR_NOT_SUPPORTED;
+ }
+
if (args->num_rx_queues)
{
if (args->num_rx_queues > port->attr.max_rx_queues)
@@ -207,6 +215,7 @@ vnet_dev_api_create_port_if (vlib_main_t *vm,
port->intf.txq_sz = port->tx_queue_config.default_size;
clib_memcpy (port->intf.name, args->intf_name, sizeof (port->intf.name));
+ port->intf.default_is_intr_mode = default_is_intr_mode;
return vnet_dev_process_call_port_op (vm, port, vnet_dev_port_if_create);
}