[TG3]: Enable TSO by default

Enable TSO by default on newer chips that support TSO in hardware.
Leave TSO off by default on older chips that do firmware TSO because
performance is slightly lower.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b0de6b2754cc..7deebd74223e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -10881,11 +10881,12 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
         }
 
-        /* TSO is off by default, user can enable using ethtool.  */
-#if 0
-        if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)
+        /* TSO is on by default on chips that support hardware TSO.
+         * 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)
                 dev->features |= NETIF_F_TSO;
-#endif
 
 #endif