Configure the MAX_FL (Maximum Frame Length) register according to the
current MTU value, which ensures that packets exceeding the configured MTU
trigger an RX error.

Reviewed-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
---
 drivers/net/ethernet/freescale/fec_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 5fb9afdafec4..c37ac84ab956 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1149,7 +1149,7 @@ fec_restart(struct net_device *ndev)
 	u32 rcntl = FEC_RCR_MII;

 	if (OPT_ARCH_HAS_MAX_FL)
-		rcntl |= fep->max_buf_size << 16;
+		rcntl |= (fep->netdev->mtu + ETH_HLEN + ETH_FCS_LEN) << 16;

 	if (fep->bufdesc_ex)
 		fec_ptp_save_state(fep);
--
2.43.0