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authorMichael Chan <mchan@broadcom.com>2006-07-03 19:42:14 -0700
committerDavid S. Miller <davem@davemloft.net>2006-07-03 19:42:14 -0700
commitb0026624f1aa3e38a887cb483de61f104d600b97 (patch)
tree16ab702d08c7235456f3d2f926932307aa90b0ad
parent6703931c546e6dec0431776fa616d5accd3e7162 (diff)
downloadlinux-b0026624f1aa3e38a887cb483de61f104d600b97.tar.gz
[TG3]: Add ipv6 TSO feature
Enable ipv6 TSO feature on chips that support it. Update version to 3.61. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/tg3.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e5e1b29629361..f645921aff8ba 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.61"
-#define DRV_MODULE_RELDATE "June 29, 2006"
+#define DRV_MODULE_VERSION "3.62"
+#define DRV_MODULE_RELDATE "June 30, 2006"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -3798,18 +3798,24 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto out_unlock;
}
- tcp_opt_len = ((skb->h.th->doff - 5) * 4);
- ip_tcp_len = (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
+ mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
+ else {
+ tcp_opt_len = ((skb->h.th->doff - 5) * 4);
+ ip_tcp_len = (skb->nh.iph->ihl * 4) +
+ sizeof(struct tcphdr);
+
+ skb->nh.iph->check = 0;
+ skb->nh.iph->tot_len = htons(mss + ip_tcp_len +
+ tcp_opt_len);
+ mss |= (ip_tcp_len + tcp_opt_len) << 9;
+ }
base_flags |= (TXD_FLAG_CPU_PRE_DMA |
TXD_FLAG_CPU_POST_DMA);
- skb->nh.iph->check = 0;
- skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
-
skb->h.th->check = 0;
- mss |= (ip_tcp_len + tcp_opt_len) << 9;
}
else if (skb->ip_summed == CHECKSUM_HW)
base_flags |= TXD_FLAG_TCPUDP_CSUM;
@@ -7887,6 +7893,12 @@ static int tg3_set_tso(struct net_device *dev, u32 value)
return -EINVAL;
return 0;
}
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) {
+ if (value)
+ dev->features |= NETIF_F_TSO6;
+ else
+ dev->features &= ~NETIF_F_TSO6;
+ }
return ethtool_op_set_tso(dev, value);
}
#endif
@@ -11507,8 +11519,11 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
* Firmware TSO on older chips gives lower performance, so it
* is off by default, but can be enabled using ethtool.
*/
- if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
dev->features |= NETIF_F_TSO;
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
+ dev->features |= NETIF_F_TSO6;
+ }
#endif