ethernet: use core min/max MTU checking
et131x: min_mtu 64, max_mtu 9216
altera_tse: min_mtu 64, max_mtu 1500
amd8111e: min_mtu 60, max_mtu 9000
bnad: min_mtu 46, max_mtu 9000
macb: min_mtu 68, max_mtu 1500 or 10240 depending on hardware capability
xgmac: min_mtu 46, max_mtu 9000
cxgb2: min_mtu 68, max_mtu 9582 (pm3393) or 9600 (vsc7326)
enic: min_mtu 68, max_mtu 9000
gianfar: min_mtu 50, max_mu 9586
hns_enet: min_mtu 68, max_mtu 9578 (v1) or 9706 (v2)
ksz884x: min_mtu 60, max_mtu 1894
myri10ge: min_mtu 68, max_mtu 9000
natsemi: min_mtu 64, max_mtu 2024
nfp: min_mtu 68, max_mtu hardware-specific
forcedeth: min_mtu 64, max_mtu 1500 or 9100, depending on hardware
pch_gbe: min_mtu 46, max_mtu 10300
pasemi_mac: min_mtu 64, max_mtu 9000
qcaspi: min_mtu 46, max_mtu 1500
- remove qcaspi_netdev_change_mtu as it is now redundant
rocker: min_mtu 68, max_mtu 9000
sxgbe: min_mtu 68, max_mtu 9000
stmmac: min_mtu 46, max_mtu depends on hardware
tehuti: min_mtu 60, max_mtu 16384
- driver had no max mtu checking, but product docs say 16k jumbo packets
are supported by the hardware
netcp: min_mtu 68, max_mtu 9486
- remove netcp_ndo_change_mtu as it is now redundant
via-velocity: min_mtu 64, max_mtu 9000
octeon: min_mtu 46, max_mtu 65370
CC: netdev@vger.kernel.org
CC: Mark Einon <mark.einon@gmail.com>
CC: Vince Bridgers <vbridger@opensource.altera.com>
CC: Rasesh Mody <rasesh.mody@qlogic.com>
CC: Nicolas Ferre <nicolas.ferre@atmel.com>
CC: Santosh Raspatur <santosh@chelsio.com>
CC: Hariprasad S <hariprasad@chelsio.com>
CC: Christian Benvenuti <benve@cisco.com>
CC: Sujith Sankar <ssujith@cisco.com>
CC: Govindarajulu Varadarajan <_govind@gmx.com>
CC: Neel Patel <neepatel@cisco.com>
CC: Claudiu Manoil <claudiu.manoil@freescale.com>
CC: Yisen Zhuang <yisen.zhuang@huawei.com>
CC: Salil Mehta <salil.mehta@huawei.com>
CC: Hyong-Youb Kim <hykim@myri.com>
CC: Jakub Kicinski <jakub.kicinski@netronome.com>
CC: Olof Johansson <olof@lixom.net>
CC: Jiri Pirko <jiri@resnulli.us>
CC: Byungho An <bh74.an@samsung.com>
CC: Girish K S <ks.giri@samsung.com>
CC: Vipul Pandya <vipul.pandya@samsung.com>
CC: Giuseppe Cavallaro <peppe.cavallaro@st.com>
CC: Alexandre Torgue <alexandre.torgue@st.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: Wingman Kwok <w-kwok2@ti.com>
CC: Murali Karicheri <m-karicheri2@ti.com>
CC: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 9b0d7f4..3913f07 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -3008,17 +3008,12 @@
struct fe_priv *np = netdev_priv(dev);
int old_mtu;
- if (new_mtu < 64 || new_mtu > np->pkt_limit)
- return -EINVAL;
-
old_mtu = dev->mtu;
dev->mtu = new_mtu;
/* return early if the buffer sizes will not change */
if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
return 0;
- if (old_mtu == new_mtu)
- return 0;
/* synchronized against open : rtnl_lock() held by caller */
if (netif_running(dev)) {
@@ -5719,6 +5714,10 @@
/* Add loopback capability to the device. */
dev->hw_features |= NETIF_F_LOOPBACK;
+ /* MTU range: 64 - 1500 or 9100 */
+ dev->min_mtu = ETH_ZLEN + ETH_FCS_LEN;
+ dev->max_mtu = np->pkt_limit;
+
np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE | NV_PAUSEFRAME_RX_REQ | NV_PAUSEFRAME_AUTONEG;
if ((id->driver_data & DEV_HAS_PAUSEFRAME_TX_V1) ||
(id->driver_data & DEV_HAS_PAUSEFRAME_TX_V2) ||