From 6a68c813fd16e42940b451cf8ee45dca05e2c602 Mon Sep 17 00:00:00 2001
From: Ajit Khaparde <ajit.khaparde@broadcom.com>
Date: Thu, 28 Jun 2018 13:15:30 -0700
Subject: [PATCH] net/bnxt: set descriptor rings limits
Set MIN and MAX descriptor count for TX and RX rings.
Signed-off-by: Ajit Khaparde <ajit.khaparde@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 d19aea5694..9a70617fc8 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 f26461c42c..752c3481ad 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -450,6 +450,10 @@ 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* */
--
2.39.5