diff options
| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-02-06 10:45:41 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-02-07 18:50:42 -0500 |
| commit | 4a50a876ac325a45de1b582571c1248648801b52 (patch) | |
| tree | 8eb63fa0d5714587231270882b2135d1b59fc6bb /drivers | |
| parent | b02a92586dca362b0b76ad527b91bd44ce58ece5 (diff) | |
| download | lwn-4a50a876ac325a45de1b582571c1248648801b52.tar.gz lwn-4a50a876ac325a45de1b582571c1248648801b52.zip | |
sky2: TSO support for EC_U
The Yukon EC_U chipset apparently supports TSO but only for non-Jumbo
frame sizes because it lacks a Ram buffer.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/sky2.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 5abcf853e98b..e97dc299b563 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1895,8 +1895,9 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu) if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU) return -EINVAL; + /* TSO on Yukon Ultra and MTU > 1500 not supported */ if (hw->chip_id == CHIP_ID_YUKON_EC_U && new_mtu > ETH_DATA_LEN) - return -EINVAL; + dev->features &= ~NETIF_F_TSO; if (!netif_running(dev)) { dev->mtu = new_mtu; @@ -3350,11 +3351,9 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->port = port; - if (hw->chip_id != CHIP_ID_YUKON_EC_U) - dev->features |= NETIF_F_TSO; + dev->features |= NETIF_F_TSO | NETIF_F_IP_CSUM | NETIF_F_SG; if (highmem) dev->features |= NETIF_F_HIGHDMA; - dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; #ifdef SKY2_VLAN_TAG_USED dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |