From: Florian Fainelli <f.fainelli@xxxxxxxxx> [ Upstream commit 54ddbdb024882e226055cc4c3c246592ddde2ee5 ] 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@xxxxxxxxx> Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx> Link: https://lore.kernel.org/r/20201218173843.141046-1-f.fainelli@xxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/broadcom/bcmsysport.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2507,6 +2507,7 @@ static int bcm_sysport_probe(struct plat /* HW supported features, none enabled by default */ dev->hw_features |= NETIF_F_RXCSUM | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + dev->max_mtu = UMAC_MAX_MTU_SIZE; /* Request the WOL interrupt and advertise suspend if available */ priv->wol_irq_disabled = 1;