ethdev: allow to get RSS hash functions and key

[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 473c98b..dabbdd2 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1571,6 +1571,43 @@ rte_eth_dev_rss_reta_query(uint8_t port_id, struct rte_eth_rss_reta *reta_conf)
        return (*dev->dev_ops->reta_query)(dev, reta_conf);
 }
 
+int
+rte_eth_dev_rss_hash_update(uint8_t port_id, struct rte_eth_rss_conf *rss_conf)
+{
+       struct rte_eth_dev *dev;
+       uint16_t rss_hash_protos;
+
+       if (port_id >= nb_ports) {
+               PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+               return (-ENODEV);
+       }
+       rss_hash_protos = rss_conf->rss_hf;
+       if ((rss_hash_protos != 0) &&
+           ((rss_hash_protos & ETH_RSS_PROTO_MASK) == 0)) {
+               PMD_DEBUG_TRACE("Invalid rss_hash_protos=0x%x\n",
+                               rss_hash_protos);
+               return (-EINVAL);
+       }
+       dev = &rte_eth_devices[port_id];
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
+       return (*dev->dev_ops->rss_hash_update)(dev, rss_conf);
+}
+
+int
+rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
+                             struct rte_eth_rss_conf *rss_conf)
+{
+       struct rte_eth_dev *dev;
+
+       if (port_id >= nb_ports) {
+               PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+               return (-ENODEV);
+       }
+       dev = &rte_eth_devices[port_id];
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_conf_get, -ENOTSUP);
+       return (*dev->dev_ops->rss_hash_conf_get)(dev, rss_conf);
+}
+
 int
 rte_eth_led_on(uint8_t port_id)
 {