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. Signed-off-by: Shenwei Wang --- drivers/net/ethernet/freescale/fec_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 642e19187128..5b71c4cf86bc 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1147,9 +1147,8 @@ fec_restart(struct net_device *ndev) u32 ecntl = FEC_ECR_ETHEREN; #ifdef OPT_ARCH_HAS_MAX_FL - rcntl |= fep->max_buf_size << 16; + rcntl |= (fep->netdev->mtu + ETH_HLEN + ETH_FCS_LEN) << 16; #endif - if (fep->bufdesc_ex) fec_ptp_save_state(fep); -- 2.43.0