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authorMichael Chan <mchan@broadcom.com>2005-07-25 12:32:25 -0700
committerDavid S. Miller <davem@davemloft.net>2005-07-25 12:32:25 -0700
commitef7f5ec0deb2bcdc005f30f6f75f79c65c577cf5 (patch)
tree6a908c087b4ae41b593296136bc35b99fb2a9231 /drivers
parentfdfec1726b14b4b2121adcfcbba98d4cc1a61751 (diff)
[TG3]: disallow jumbo TSO on 5780
Disallow jumbo TSO on 5780 due to hardware restrictions. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/tg3.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 2b7d99fc257..04d8b18e291 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3443,10 +3443,18 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
{
dev->mtu = new_mtu;
- if (new_mtu > ETH_DATA_LEN)
- tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
- else
+ if (new_mtu > ETH_DATA_LEN) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
+ tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
+ ethtool_op_set_tso(dev, 0);
+ }
+ else
+ tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
+ } else {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
+ tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
+ }
}
static int tg3_change_mtu(struct net_device *dev, int new_mtu)