qeth: enable scatter/gather by default
authorEugene Crosser <Eugene.Crosser@ru.ibm.com>
Thu, 16 Jun 2016 14:18:56 +0000 (16:18 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 17 Jun 2016 05:16:12 +0000 (22:16 -0700)
Set scatter/gather ON by default on OSA, for both layer 2 and
layer 3 modes. We always use fragmentation over QDIO anyway,
so let the upper layers of the stack take advantage of that.

Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Lakhvich Dmitriy <ldmitriy@ru.ibm.com>
Reviewed-by: Thomas Richter <tmricht@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/s390/net/qeth_l2_main.c
drivers/s390/net/qeth_l3_main.c

index ec163e4ededb064e15e6fba237b138248ec3f122..e24627f49b6e68ce19e9f2fc0965914382cdceaa 100644 (file)
@@ -1140,8 +1140,8 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
        if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) {
                card->dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
                                         NETIF_F_SG;
-               /* Turn on RX offloading per default */
-               card->dev->features |= NETIF_F_RXCSUM;
+               /* Turn on RX offloading and SG per default */
+               card->dev->features |= NETIF_F_RXCSUM | NETIF_F_SG;
        }
        card->info.broadcast_capable = 1;
        qeth_l2_request_initial_mac(card);
index 76ddd18906eaf0b3c16c77afadcf77c479819479..0afdb144e97908fce063656dea50929c1f4402b8 100644 (file)
@@ -3191,7 +3191,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
                                card->dev->hw_features = NETIF_F_SG |
                                        NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
                                        NETIF_F_TSO;
-                               card->dev->features = NETIF_F_RXCSUM;
+                               card->dev->features = NETIF_F_RXCSUM |
+                                                     NETIF_F_SG;
                        }
                }
        } else if (card->info.type == QETH_CARD_TYPE_IQD) {