diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_enet.c | 11 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 22e141005cd9..d8e99416ab24 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -446,8 +446,7 @@ int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu) 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)) + if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size) return -EINVAL; if (!drv->config_max_frame_length) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 059aaeda46b1..a7208673116c 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -22,6 +22,7 @@ #include "hnae.h" #include "hns_enet.h" +#include "hns_dsaf_mac.h" #define NIC_MAX_Q_PER_VF 16 #define HNS_NIC_TX_TIMEOUT (5 * HZ) @@ -1405,10 +1406,6 @@ static int hns_nic_change_mtu(struct net_device *ndev, int new_mtu) struct hnae_handle *h = priv->ae_handle; int ret; - /* MTU < 68 is an error and causes problems on some kernels */ - if (new_mtu < 68) - return -EINVAL; - if (!h->dev->ops->set_mtu) return -ENOTSUPP; @@ -1953,14 +1950,20 @@ static int hns_nic_dev_probe(struct platform_device *pdev) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM; ndev->vlan_features |= NETIF_F_SG | NETIF_F_GSO | NETIF_F_GRO; + /* MTU range: 68 - 9578 (v1) or 9706 (v2) */ + ndev->min_mtu = MAC_MIN_MTU; switch (priv->enet_ver) { case AE_VERSION_2: ndev->features |= NETIF_F_TSO | NETIF_F_TSO6; ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO | NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6; + ndev->max_mtu = MAC_MAX_MTU_V2 - + (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); break; default: + ndev->max_mtu = MAC_MAX_MTU - + (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); break; } |