Exemplos de rtmac_add_header em C++ (Cpp)

Exemplo n.º 1

Arquivo: rtmac_vnic.c Projeto: BackupTheBerlios/rtnet-svn

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;);

Exemplo n.º 2

Arquivo: rtmac_vnic.c Projeto: rcn-ee/xenomai-3

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;);