diff options
| author | Jarod Wilson <jarod@redhat.com> | 2016-10-17 22:54:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-18 18:34:20 +0300 |
| commit | 540bfe30dc3f0b365c3a859eecad66ef468e167c (patch) | |
| tree | ef6f1f7e8991d9b390ebeee8cc4e73a30503b82e /drivers/net/ethernet/sun/sungem.c | |
| parent | c7315a95c2a3c8a5a5e31c72755d7505e92f0872 (diff) | |
| download | linux-540bfe30dc3f0b365c3a859eecad66ef468e167c.tar.xz | |
ethernet/sun: use core min/max MTU checking
cassini: min_mtu 60, max_mtu 9000
niu: min_mtu 68, max_mtu 9216
sungem: min_mtu 68, max_mtu 1500 (comments say jumbo mode is broken)
sunvnet: min_mtu 68, max_mtu 65535
- removed sunvnet_change_mut_common as it does nothing now
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sun/sungem.c')
| -rw-r--r-- | drivers/net/ethernet/sun/sungem.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index d6ad0fbd054e..66ecf0fcc330 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -2476,9 +2476,9 @@ static void gem_set_multicast(struct net_device *dev) } /* Jumbo-grams don't seem to work :-( */ -#define GEM_MIN_MTU 68 +#define GEM_MIN_MTU ETH_MIN_MTU #if 1 -#define GEM_MAX_MTU 1500 +#define GEM_MAX_MTU ETH_DATA_LEN #else #define GEM_MAX_MTU 9000 #endif @@ -2487,9 +2487,6 @@ static int gem_change_mtu(struct net_device *dev, int new_mtu) { struct gem *gp = netdev_priv(dev); - if (new_mtu < GEM_MIN_MTU || new_mtu > GEM_MAX_MTU) - return -EINVAL; - dev->mtu = new_mtu; /* We'll just catch it later when the device is up'd or resumed */ @@ -2977,6 +2974,10 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_using_dac) dev->features |= NETIF_F_HIGHDMA; + /* MTU range: 68 - 1500 (Jumbo mode is broken) */ + dev->min_mtu = GEM_MIN_MTU; + dev->max_mtu = GEM_MAX_MTU; + /* Register with kernel */ if (register_netdev(dev)) { pr_err("Cannot register net device, aborting\n"); |