diff options
| author | Julian Wiedmann <jwi@linux.vnet.ibm.com> | 2018-03-09 18:12:54 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-09 13:10:04 -0500 |
| commit | 0f34294527ed17fd0966142d6b5e754ba97f65b5 (patch) | |
| tree | b479ab99c32c4dd02663120e94e07b1ea9a9617a /drivers/s390/net/qeth_l2_main.c | |
| parent | d857e11193a24d6623bb562e9b26cde582bd877f (diff) | |
| download | lwn-0f34294527ed17fd0966142d6b5e754ba97f65b5.tar.gz lwn-0f34294527ed17fd0966142d6b5e754ba97f65b5.zip | |
s390/qeth: support SG for more device types
NETIF_F_SG support is currently limited to OSA (and for L2 even OSD)
devices. Advertise it for some more device types (OSM, L2 OSX, z/VM OSA)
that share the same code paths. For now, keep it switched off by
default on these devices.
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_l2_main.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 1cd583b69eaa..ea607e5fb5dc 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -991,9 +991,16 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) card->dev->features |= NETIF_F_VLAN_CHALLENGED; else card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + + if (card->info.type != QETH_CARD_TYPE_OSN && + card->info.type != QETH_CARD_TYPE_IQD) { + card->dev->priv_flags &= ~IFF_TX_SKB_SHARING; + card->dev->needed_headroom = sizeof(struct qeth_hdr); + card->dev->hw_features |= NETIF_F_SG; + card->dev->vlan_features |= NETIF_F_SG; + } + if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) { - card->dev->hw_features = NETIF_F_SG; - card->dev->vlan_features = NETIF_F_SG; card->dev->features |= NETIF_F_SG; /* OSA 3S and earlier has no RX/TX support */ if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) { @@ -1005,11 +1012,6 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) card->dev->vlan_features |= NETIF_F_RXCSUM; } } - if (card->info.type != QETH_CARD_TYPE_OSN && - card->info.type != QETH_CARD_TYPE_IQD) { - card->dev->priv_flags &= ~IFF_TX_SKB_SHARING; - card->dev->needed_headroom = sizeof(struct qeth_hdr); - } card->info.broadcast_capable = 1; qeth_l2_request_initial_mac(card); |