Author: hselasky
Date: Wed Aug 9 10:32:51 2017
New Revision: 322306
URL: https://svnweb.freebsd.org/changeset/base/322306
Log:
Print maximum MTU when trying to set invalid MTU in the mlx4en(4) driver.
Useful for debugging.
Submitted by: Sepherosa Ziehau <se...@dragonflybsd.org>
MFC after: 3 days
Sponsored by: Mellanox Technologies
Modified:
head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
==============================================================================
--- head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Wed Aug 9 10:30:55 2017
(r322305)
+++ head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Wed Aug 9 10:32:51 2017
(r322306)
@@ -1771,7 +1771,8 @@ static int mlx4_en_change_mtu(struct net_device *dev,
(unsigned)dev->if_mtu, (unsigned)new_mtu);
if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
- en_err(priv, "Bad MTU size:%d.\n", new_mtu);
+ en_err(priv, "Bad MTU size:%d, max %u.\n", new_mtu,
+ priv->max_mtu);
return -EPERM;
}
mutex_lock(&mdev->state_lock);
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