diff options
| author | Gatis Peisenieks <gatis@mikrotik.com> | 2021-05-13 14:43:24 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-05-13 15:48:10 -0700 |
| commit | 545fa3fb1e84855820a5ed25053d6a5afbd30900 (patch) | |
| tree | cbe05e774cf83fe2724470253f5476da4686e441 | |
| parent | d7ab6419bdee50dbc4a53e69c290a1ef05dae7f9 (diff) | |
| download | linux-545fa3fb1e84855820a5ed25053d6a5afbd30900.tar.gz linux-545fa3fb1e84855820a5ed25053d6a5afbd30900.tar.bz2 linux-545fa3fb1e84855820a5ed25053d6a5afbd30900.zip | |
atl1c: adjust max mtu according to Mikrotik 10/25G NIC ability
The new Mikrotik 10/25G NIC supports jumbo frames. Jumbo frames are
supported for TSO as well.
This enables the support for mtu up to 9500 bytes.
Signed-off-by: Gatis Peisenieks <gatis@mikrotik.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 08a0f49e03ce..dbafd8118a86 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -478,6 +478,9 @@ static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, static netdev_features_t atl1c_fix_features(struct net_device *netdev, netdev_features_t features) { + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + /* * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. @@ -487,8 +490,10 @@ static netdev_features_t atl1c_fix_features(struct net_device *netdev, else features &= ~NETIF_F_HW_VLAN_CTAG_TX; - if (netdev->mtu > MAX_TSO_FRAME_SIZE) - features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + if (hw->nic_type != athr_mt) { + if (netdev->mtu > MAX_TSO_FRAME_SIZE) + features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + } return features; } @@ -515,9 +520,12 @@ static void atl1c_set_max_mtu(struct net_device *netdev) case athr_l1d: case athr_l1d_2: netdev->max_mtu = MAX_JUMBO_FRAME_SIZE - - (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); + (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); + break; + case athr_mt: + netdev->max_mtu = 9500; break; - /* The 10/100 devices don't support jumbo packets, max_mtu 1500 */ + /* The 10/100 devices don't support jumbo packets, max_mtu 1500 */ default: netdev->max_mtu = ETH_DATA_LEN; break; |