static int rtmac_vnic_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct rtnet_device *rtdev = (struct rtnet_device*)dev->priv;
struct net_device_stats *stats = &rtdev->mac_priv->vnic_stats;
struct rtskb_queue *pool = &rtdev->mac_priv->vnic_skb_pool;
struct ethhdr *ethernet = (struct ethhdr*)skb->data;
struct rtskb *rtskb;
int res;
int data_len;
rtskb =
alloc_rtskb((skb->len + sizeof(struct rtmac_hdr) + 15) & ~15, pool);
if (!rtskb) {
stats->tx_dropped++;
return -ENOMEM;
}
rtskb_reserve(rtskb, rtdev->hard_header_len + sizeof(struct rtmac_hdr));
data_len = skb->len - dev->hard_header_len;
memcpy(rtskb_put(rtskb, data_len), skb->data + dev->hard_header_len,
data_len);
res = rtmac_add_header(rtdev, ethernet->h_dest, rtskb,
ntohs(ethernet->h_proto));
if (res < 0) {
stats->tx_dropped++;
kfree_rtskb(rtskb);
return res;
}
RTNET_ASSERT(rtdev->mac_disc->nrt_packet_tx != NULL, kfree_rtskb(rtskb);
return -1;);
int rtmac_vnic_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct rtnet_device *rtdev = *(struct rtnet_device **)netdev_priv(dev);
struct net_device_stats *stats = &rtdev->mac_priv->vnic_stats;
struct rtskb_pool *pool = &rtdev->mac_priv->vnic_skb_pool;
struct ethhdr *ethernet = (struct ethhdr*)skb->data;
struct rtskb *rtskb;
int res;
int data_len;
rtskb =
alloc_rtskb((skb->len + sizeof(struct rtmac_hdr) + 15) & ~15, pool);
if (!rtskb)
return NETDEV_TX_BUSY;
rtskb_reserve(rtskb, rtdev->hard_header_len + sizeof(struct rtmac_hdr));
data_len = skb->len - dev->hard_header_len;
memcpy(rtskb_put(rtskb, data_len), skb->data + dev->hard_header_len,
data_len);
res = rtmac_add_header(rtdev, ethernet->h_dest, rtskb,
ntohs(ethernet->h_proto), RTMAC_FLAG_TUNNEL);
if (res < 0) {
stats->tx_dropped++;
kfree_rtskb(rtskb);
goto done;
}
RTNET_ASSERT(rtdev->mac_disc->nrt_packet_tx != NULL, kfree_rtskb(rtskb);
goto done;);
