cxgbe: get descriptor limits

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Remy Horton <remy.horton@intel.com>

diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c
index a8e057b..920e071 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_ethdev.c
+++ b/drivers/net/cxgbe/cxgbe_ethdev.c
@@ -141,6 +141,12 @@ static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
        struct adapter *adapter = pi->adapter;
        int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
 
+       static const struct rte_eth_desc_lim cxgbe_desc_lim = {
+               .nb_max = CXGBE_MAX_RING_DESC_SIZE,
+               .nb_min = CXGBE_MIN_RING_DESC_SIZE,
+               .nb_align = 1,
+       };
+
        device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
        device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
        device_info->max_rx_queues = max_queues;
@@ -162,6 +168,9 @@ static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
                                       DEV_TX_OFFLOAD_TCP_TSO;
 
        device_info->reta_size = pi->rss_size;
+
+       device_info->rx_desc_lim = cxgbe_desc_lim;
+       device_info->tx_desc_lim = cxgbe_desc_lim;
 }
 
 static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)