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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>
This commit is contained in:
Julian Wiedmann 2018-03-09 18:12:54 +01:00 committed by David S. Miller
parent d857e11193
commit 0f34294527
2 changed files with 17 additions and 13 deletions
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16
drivers/s390/net/qeth_l2_main.c
View File

@ -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);

14
drivers/s390/net/qeth_l3_main.c
View File

@ -2785,14 +2785,16 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id &
0xffff;
card->dev->hw_features |= NETIF_F_SG;
card->dev->vlan_features |= NETIF_F_SG;
if (!card->info.guestlan) {
card->dev->hw_features = NETIF_F_SG |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
NETIF_F_TSO;
card->dev->vlan_features = NETIF_F_SG |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM |
NETIF_F_TSO;
card->dev->features |= NETIF_F_SG;
card->dev->hw_features |= NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
card->dev->vlan_features |= NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
}
}
} else if (card->info.type == QETH_CARD_TYPE_IQD) {