embox

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#include <assert.h>
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#include <embox/unit.h>
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#include <errno.h>
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#include <net/l2/ethernet.h>
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#include <net/l3/arp.h>
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#include <net/netdevice.h>
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#include <net/inetdevice.h>
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#include <net/skbuff.h>
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#include <net/l0/net_entry.h>
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#include <net/net_namespace.h>
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#include <net/netdevice.h>
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static int veth_xmit(struct net_device *dev,
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		struct sk_buff *skb) {
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	struct net_device_stats *lb_stats;
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	size_t skb_len;
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	if ((skb == NULL) || (dev == NULL)) {
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		return -EINVAL;
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	}
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	skb_len = skb->len;
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	lb_stats = &dev->stats;
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	skb->dev = (struct net_device *) dev->priv;
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	if (netif_rx(skb) == NET_RX_SUCCESS) {
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		lb_stats->rx_packets++;
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		lb_stats->rx_bytes += skb_len;
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	} else {
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		lb_stats->rx_err++;
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	}
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	return 0;
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}
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static const struct net_driver veth_ops = {
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	.xmit = veth_xmit
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};
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struct net_device *veth_alloc(struct net_device **v1, struct net_device **v2) {
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	struct net_device *veth1, *veth2;
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	int ret;
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	veth1 = etherdev_alloc(sizeof(struct net_device *));
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	if (!veth1) {
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		return NULL;
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	}
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	ret = inetdev_register_dev(veth1);
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	if (ret != 0) {
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		return NULL;
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	}
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	veth2 = etherdev_alloc(sizeof(struct net_device *));
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	if (!veth2) {
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		return NULL;
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	}
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	ret = inetdev_register_dev(veth2);
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	if (ret != 0) {
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		return NULL;
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	}
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	assign_net_ns(veth1->net_ns, init_net_ns);
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	assign_net_ns(veth2->net_ns, init_net_ns);
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	veth1->priv = (void *)veth2;
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	veth2->priv = (void *)veth1;
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	veth1->drv_ops = &veth_ops;
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	veth2->drv_ops = &veth_ops;
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	*v1 = veth1;
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	*v2 = veth2;
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	return (struct net_device *)1;
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}
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