From 4a50a876ac325a45de1b582571c1248648801b52 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Tue, 6 Feb 2007 10:45:41 -0800 Subject: [PATCH] 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 --- drivers/net/sky2.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 5abcf85..e97dc29 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; -- 2.7.4