diff options
| -rw-r--r-- | drivers/net/cxgb3/xgmac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c index 0109ee4f2f9..0c08de5d09f 100644 --- a/drivers/net/cxgb3/xgmac.c +++ b/drivers/net/cxgb3/xgmac.c @@ -353,6 +353,9 @@ int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu) * packet size register includes header, but not FCS. */ mtu += 14; + if (mtu > 1536) + mtu += 4; + if (mtu > MAX_FRAME_SIZE - 4) return -EINVAL; t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu); |