From 54ddbdb024882e226055cc4c3c246592ddde2ee5 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Fri, 18 Dec 2020 09:38:43 -0800
Subject: [PATCH] net: systemport: set dev->max_mtu to UMAC_MAX_MTU_SIZE
The driver is already allocating receive buffers of 2KiB and the
Ethernet MAC is configured to accept frames up to UMAC_MAX_MTU_SIZE.
Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20201218173843.141046-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/ethernet/broadcom/bcmsysport.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index 0fdd19d99d99f..b1ae9eb8f2479 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2577,6 +2577,7 @@ static int bcm_sysport_probe(struct platform_device *pdev)
NETIF_F_HW_VLAN_CTAG_TX;
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
+ dev->max_mtu = UMAC_MAX_MTU_SIZE;
/* Request the WOL interrupt and advertise suspend if available */
priv->wol_irq_disabled = 1;
--
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