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path: root/drivers/net/ethernet/broadcom/tg3.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index a927a730da10..185e9e047aa9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -124,7 +124,7 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
#define TG3_TX_TIMEOUT (5 * HZ)
/* hardware minimum and maximum for a single frame's data payload */
-#define TG3_MIN_MTU 60
+#define TG3_MIN_MTU ETH_ZLEN
#define TG3_MAX_MTU(tp) \
(tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500)
@@ -14199,9 +14199,6 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
int err;
bool reset_phy = false;
- if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
- return -EINVAL;
-
if (!netif_running(dev)) {
/* We'll just catch it later when the
* device is up'd.
@@ -17799,6 +17796,10 @@ static int tg3_init_one(struct pci_dev *pdev,
dev->hw_features |= features;
dev->priv_flags |= IFF_UNICAST_FLT;
+ /* MTU range: 60 - 9000 or 1500, depending on hardware */
+ dev->min_mtu = TG3_MIN_MTU;
+ dev->max_mtu = TG3_MAX_MTU(tp);
+
if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&
!tg3_flag(tp, TSO_CAPABLE) &&
!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {