[dpdk-dev] [PATCH 04/31] net/bnxt: set min and max descriptor count for Tx and Rx rings

[Ajit Khaparde]

Set min and max descriptor count for Tx and Rx rings.

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt.h        | 3 +++
 drivers/net/bnxt/bnxt_ethdev.c | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index 35c3073dd..d25bf78af 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -24,6 +24,9 @@
 #define VLAN_TAG_SIZE		4
 #define BNXT_MAX_LED		4
 #define BNXT_NUM_VLANS		2
+#define BNXT_MIN_RING_DESC	16
+#define BNXT_MAX_TX_RING_DESC	4096
+#define BNXT_MAX_RX_RING_DESC	8192
 
 struct bnxt_led_info {
 	uint8_t      led_id;
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 6e56bfd36..33560db0d 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -449,6 +449,10 @@ static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
 	eth_dev->data->dev_conf.intr_conf.lsc = 1;
 
 	eth_dev->data->dev_conf.intr_conf.rxq = 1;
+	dev_info->rx_desc_lim.nb_min = BNXT_MIN_RING_DESC;
+	dev_info->rx_desc_lim.nb_max = BNXT_MAX_RX_RING_DESC;
+	dev_info->tx_desc_lim.nb_min = BNXT_MIN_RING_DESC;
+	dev_info->tx_desc_lim.nb_max = BNXT_MAX_TX_RING_DESC;
 
 	/* *INDENT-ON* */
 
-- 
2.15.1 (Apple Git-101)