From: Stephen Hemminger Date: Tue, 6 Feb 2007 18:45:41 +0000 (-0800) Subject: sky2: TSO support for EC_U X-Git-Tag: v2.6.21-rc2~42^2~11^2~6 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=4a50a876ac325a45de1b582571c1248648801b52;p=linux-2.6-omap-h63xx.git 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 Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 5abcf853e98..e97dc299b56 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;