mlx5: adapt indirection table size depending on Rx queues number

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index e394d32..4413248 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -299,7 +299,9 @@ mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                struct ether_addr mac;
 
 #ifdef HAVE_EXP_QUERY_DEVICE
-               exp_device_attr.comp_mask = IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS;
+               exp_device_attr.comp_mask =
+                       IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS |
+                       IBV_EXP_DEVICE_ATTR_RX_HASH;
 #endif /* HAVE_EXP_QUERY_DEVICE */
 
                DEBUG("using port %u (%08" PRIx32 ")", port, test);
@@ -363,6 +365,12 @@ mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                DEBUG("L2 tunnel checksum offloads are %ssupported",
                      (priv->hw_csum_l2tun ? "" : "not "));
 
+               priv->ind_table_max_size = exp_device_attr.rx_hash_caps.max_rwq_indirection_table_size;
+               DEBUG("maximum RX indirection table size is %u",
+                     priv->ind_table_max_size);
+
+#else /* HAVE_EXP_QUERY_DEVICE */
+               priv->ind_table_max_size = RSS_INDIRECTION_TABLE_SIZE;
 #endif /* HAVE_EXP_QUERY_DEVICE */
 
                priv->vf = vf;