diff options
| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2010-11-30 06:38:00 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-06 12:59:04 -0800 |
| commit | 7903264402546f45f9bac8ad2bfdb00d00eb124a (patch) | |
| tree | 32076a169b37ce9c98916ed2d702de5cab1aeb6c /drivers/net/jme.c | |
| parent | 900d495a189dc3ff5952b98a77d18e3018f8286c (diff) | |
| download | linux-7903264402546f45f9bac8ad2bfdb00d00eb124a.tar.gz linux-7903264402546f45f9bac8ad2bfdb00d00eb124a.tar.bz2 linux-7903264402546f45f9bac8ad2bfdb00d00eb124a.zip | |
net: Fix too optimistic NETIF_F_HW_CSUM features
NETIF_F_HW_CSUM is a superset of NETIF_F_IP_CSUM+NETIF_F_IPV6_CSUM, but
some drivers miss the difference. Fix this and also fix UFO dependency
on checksumming offload as it makes the same mistake in assumptions.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/jme.c')
| -rw-r--r-- | drivers/net/jme.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/net/jme.c b/drivers/net/jme.c index c57d9a43ceca..2411e72ba572 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -2076,12 +2076,11 @@ jme_change_mtu(struct net_device *netdev, int new_mtu) } if (new_mtu > 1900) { - netdev->features &= ~(NETIF_F_HW_CSUM | - NETIF_F_TSO | - NETIF_F_TSO6); + netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO6); } else { if (test_bit(JME_FLAG_TXCSUM, &jme->flags)) - netdev->features |= NETIF_F_HW_CSUM; + netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; if (test_bit(JME_FLAG_TSO, &jme->flags)) netdev->features |= NETIF_F_TSO | NETIF_F_TSO6; } @@ -2514,10 +2513,12 @@ jme_set_tx_csum(struct net_device *netdev, u32 on) if (on) { set_bit(JME_FLAG_TXCSUM, &jme->flags); if (netdev->mtu <= 1900) - netdev->features |= NETIF_F_HW_CSUM; + netdev->features |= + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; } else { clear_bit(JME_FLAG_TXCSUM, &jme->flags); - netdev->features &= ~NETIF_F_HW_CSUM; + netdev->features &= + ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); } return 0; @@ -2797,7 +2798,8 @@ jme_init_one(struct pci_dev *pdev, netdev->netdev_ops = &jme_netdev_ops; netdev->ethtool_ops = &jme_ethtool_ops; netdev->watchdog_timeo = TX_TIMEOUT; - netdev->features = NETIF_F_HW_CSUM | + netdev->features = NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |