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Revert "net: core: introduce netif_skb_dev_features"

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This reverts commit d206940319,
there are no more callers.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2014-05-05 15:00:44 +02:00 committed by David S. Miller
parent c7ba65d7b6
commit c1e756bfcb
2 changed files with 11 additions and 18 deletions
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7
include/linux/netdevice.h
View File

@ -3180,12 +3180,7 @@ void netdev_change_features(struct net_device *dev);
void netif_stacked_transfer_operstate(const struct net_device *rootdev,
struct net_device *dev);
netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
const struct net_device *dev);
static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
{
return netif_skb_dev_features(skb, skb->dev);
}
netdev_features_t netif_skb_features(struct sk_buff *skb);
static inline bool net_gso_ok(netdev_features_t features, int gso_type)
{

22
net/core/dev.c
View File

@ -2418,7 +2418,7 @@ EXPORT_SYMBOL(netdev_rx_csum_fault);
* 2. No high memory really exists on this machine.
*/
static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
{
#ifdef CONFIG_HIGHMEM
int i;
@ -2493,38 +2493,36 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features)
}
static netdev_features_t harmonize_features(struct sk_buff *skb,
const struct net_device *dev,
netdev_features_t features)
netdev_features_t features)
{
int tmp;
if (skb->ip_summed != CHECKSUM_NONE &&
!can_checksum_protocol(features, skb_network_protocol(skb, &tmp))) {
features &= ~NETIF_F_ALL_CSUM;
} else if (illegal_highdma(dev, skb)) {
} else if (illegal_highdma(skb->dev, skb)) {
features &= ~NETIF_F_SG;
}
return features;
}
netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
const struct net_device *dev)
netdev_features_t netif_skb_features(struct sk_buff *skb)
{
__be16 protocol = skb->protocol;
netdev_features_t features = dev->features;
netdev_features_t features = skb->dev->features;
if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs)
if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
features &= ~NETIF_F_GSO_MASK;
if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) {
struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
protocol = veh->h_vlan_encapsulated_proto;
} else if (!vlan_tx_tag_present(skb)) {
return harmonize_features(skb, dev, features);
return harmonize_features(skb, features);
}
features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX);
if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
@ -2532,9 +2530,9 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX;
return harmonize_features(skb, dev, features);
return harmonize_features(skb, features);
}
EXPORT_SYMBOL(netif_skb_dev_features);
EXPORT_SYMBOL(netif_skb_features);
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq)