diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 50237fbe3090..a38084a22bf2 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -470,6 +470,9 @@ int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu) u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ? MAC_MAX_MTU : MAC_MAX_MTU_V2; + if (mac_cb->mac_type == HNAE_PORT_DEBUG) + max_frm = MAC_MAX_MTU_DBG; + if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) || (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)) return -EINVAL; |