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>

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 |