Commit 62b5bb7be7bc ("net: fec: update MAX_FL based on the current MTU") changed the MAX_FL (maximum frame length) calculation without accounting for VLAN-tagged frames, leading to RX errors / dropped frames. Add VLAN_HLEN to the MAX_FL calculation. Fixes: 62b5bb7be7bc ("net: fec: update MAX_FL based on the current MTU") Signed-off-by: Clemens Gruber Cc: stable@kernel.org --- 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 e2b75d1970ae..f8f88c592323 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1151,7 +1151,7 @@ fec_restart(struct net_device *ndev) u32 rcntl = FEC_RCR_MII; if (OPT_ARCH_HAS_MAX_FL) - rcntl |= (fep->netdev->mtu + ETH_HLEN + ETH_FCS_LEN) << 16; + rcntl |= (fep->netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN) << 16; if (fep->bufdesc_ex) fec_ptp_save_state(fep); -- 2.52.0