ethdev: add priority flow control configuration

[dpdk.git] / lib / librte_ether / rte_ethdev.c

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 7aadbd3..db013e5 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1381,13 +1381,30 @@ rte_eth_dev_flow_ctrl_set(uint8_t port_id, struct rte_eth_fc_conf *fc_conf)
        }
 
        dev = &rte_eth_devices[port_id];
-
-       /* High water, low water validation are device specific */
        FUNC_PTR_OR_ERR_RET(*dev->dev_ops->flow_ctrl_set, -ENOTSUP);
-       if  (*dev->dev_ops->flow_ctrl_set)
-               return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
+       return (*dev->dev_ops->flow_ctrl_set)(dev, fc_conf);
+}
 
-       return -ENOTSUP;
+int
+rte_eth_dev_priority_flow_ctrl_set(uint8_t port_id, struct rte_eth_pfc_conf *pfc_conf)
+{
+       struct rte_eth_dev *dev;
+
+       if (port_id >= nb_ports) {
+               PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+               return (-ENODEV);
+       }
+
+       if (pfc_conf->priority > (ETH_DCB_NUM_USER_PRIORITIES - 1)) {
+               PMD_DEBUG_TRACE("Invalid priority, only 0-7 allowed\n");
+               return (-EINVAL);
+       }
+
+       dev = &rte_eth_devices[port_id];
+       /* High water, low water validation are device specific */
+       if  (*dev->dev_ops->priority_flow_ctrl_set)
+               return (*dev->dev_ops->priority_flow_ctrl_set)(dev, pfc_conf);
+       return (-ENOTSUP);
 }
 
 int