s390/qeth: increase GSO max size for eligible L3 devices

When a L3 device doesn't offer TSO, allow the stack to build full-size
GSO skbs.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2018-07-11 17:42:44 +02:00 committed by David S. Miller
parent 09960b3a0a
commit 371a1e7a07
1 changed files with 3 additions and 2 deletions

View File

@ -2536,8 +2536,9 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
netif_keep_dst(card->dev);
netif_set_gso_max_size(card->dev, (QETH_MAX_BUFFER_ELEMENTS(card) - 1) *
PAGE_SIZE);
if (card->dev->hw_features & NETIF_F_TSO)
netif_set_gso_max_size(card->dev,
PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1));
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);