From 5ed6b64c99d049af0496199c245e0389cb9b8a27 Mon Sep 17 00:00:00 2001
From: gechiang <62408185+gechiang@users.noreply.github.com>
Date: Sat, 14 Aug 2021 17:01:00 -0700
Subject: [PATCH] Reapply the fix to address setting MTU > 1500 causing
 portmgrd crash on BRCM platforms (#8472)

---
 .../systems/linux/kernel/modules/bcm-knet/bcm-knet.c         | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/platform/broadcom/saibcm-modules/systems/linux/kernel/modules/bcm-knet/bcm-knet.c b/platform/broadcom/saibcm-modules/systems/linux/kernel/modules/bcm-knet/bcm-knet.c
index a3f92b17584b..43edc056beff 100644
--- a/platform/broadcom/saibcm-modules/systems/linux/kernel/modules/bcm-knet/bcm-knet.c
+++ b/platform/broadcom/saibcm-modules/systems/linux/kernel/modules/bcm-knet/bcm-knet.c
@@ -6341,6 +6341,11 @@ bkn_init_ndev(u8 *mac, char *name)
         dev->mtu = rx_buffer_size;
     }
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+    dev->min_mtu = 68;
+    dev->max_mtu = rx_buffer_size;
+#endif
+
     /* Device vectors */
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29))
     dev->netdev_ops = &bkn_netdev_ops;