xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

s390/qeth: speed up L2 IQD xmit

Browse Source 
Modify the L2 OSA xmit path so that it also supports L2 IQD devices
(in particular, their HW header requirements). This allows IQD devices
to advertise NETIF_F_SG support, and eliminates the allocation overhead
for the HW header.

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
2018-07-19 12:43:58 +02:00
committed by David S. Miller
parent a7c2f4a332
commit 5f89eca577
3 changed files with 30 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/s390/net/qeth_l3_main.c
View File

@@ -2556,13 +2556,10 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
return -ENODEV;
card->dev->ethtool_ops = &qeth_l3_ethtool_ops;
card->dev->priv_flags &= ~IFF_TX_SKB_SHARING;
card->dev->needed_headroom = sizeof(struct qeth_hdr) - ETH_HLEN;
card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
card->dev->hw_features |= NETIF_F_SG;
card->dev->vlan_features |= NETIF_F_SG;
netif_keep_dst(card->dev);
if (card->dev->hw_features & NETIF_F_TSO)