diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/net/xen-netfront.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index f6e7e2726f6b..0cfe4ccf92d2 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1140,6 +1140,42 @@ static void xennet_uninit(struct net_device *dev) gnttab_free_grant_references(np->gref_rx_head); } +static u32 xennet_fix_features(struct net_device *dev, u32 features) +{ + struct netfront_info *np = netdev_priv(dev); + int val; + + if (features & NETIF_F_SG) { + if (xenbus_scanf(XBT_NIL, np->xbdev->otherend, "feature-sg", + "%d", &val) < 0) + val = 0; + + if (!val) + features &= ~NETIF_F_SG; + } + + if (features & NETIF_F_TSO) { + if (xenbus_scanf(XBT_NIL, np->xbdev->otherend, + "feature-gso-tcpv4", "%d", &val) < 0) + val = 0; + + if (!val) + features &= ~NETIF_F_TSO; + } + + return features; +} + +static int xennet_set_features(struct net_device *dev, u32 features) +{ + if (!(features & NETIF_F_SG) && dev->mtu > ETH_DATA_LEN) { + netdev_info(dev, "Reducing MTU because no SG offload"); + dev->mtu = ETH_DATA_LEN; + } + + return 0; +} + static const struct net_device_ops xennet_netdev_ops = { .ndo_open = xennet_open, .ndo_uninit = xennet_uninit, @@ -1513,42 +1549,6 @@ again: return err; } -static u32 xennet_fix_features(struct net_device *dev, u32 features) -{ - struct netfront_info *np = netdev_priv(dev); - int val; - - if (features & NETIF_F_SG) { - if (xenbus_scanf(XBT_NIL, np->xbdev->otherend, "feature-sg", - "%d", &val) < 0) - val = 0; - - if (!val) - features &= ~NETIF_F_SG; - } - - if (features & NETIF_F_TSO) { - if (xenbus_scanf(XBT_NIL, np->xbdev->otherend, - "feature-gso-tcpv4", "%d", &val) < 0) - val = 0; - - if (!val) - features &= ~NETIF_F_TSO; - } - - return features; -} - -static int xennet_set_features(struct net_device *dev, u32 features) -{ - if (!(features & NETIF_F_SG) && dev->mtu > ETH_DATA_LEN) { - netdev_info(dev, "Reducing MTU because no SG offload"); - dev->mtu = ETH_DATA_LEN; - } - - return 0; -} - static int xennet_connect(struct net_device *dev) { struct netfront_info *np = netdev_priv(dev); |