[PATCH] net/cnxk: add threshold validation for RED config

[skori at marvell.com]

From: Sunil Kumar Kori <skori at marvell.com>

Validation is added to check minimum and maximum RED
threshold values, passed by user.

Fixes: b7d3a0fe71eb ("net/cnxk: support congestion management operations")

Signed-off-by: Sunil Kumar Kori <skori at marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev_cman.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/cnxk/cnxk_ethdev_cman.c b/drivers/net/cnxk/cnxk_ethdev_cman.c
index d5e647c64d..a7ccdfb756 100644
--- a/drivers/net/cnxk/cnxk_ethdev_cman.c
+++ b/drivers/net/cnxk/cnxk_ethdev_cman.c
@@ -68,6 +68,11 @@ nix_cman_config_validate(struct rte_eth_dev *eth_dev, const struct rte_eth_cman_
 		return -EINVAL;
 	}
 
+	if (config->mode_param.red.min_th > config->mode_param.red.max_th) {
+		plt_err("RED minimum threshold must be less or equal to maximum threshold");
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
-- 
2.25.1