void pkt_poll(FAR struct net_driver_s *dev, FAR struct pkt_conn_s *conn)
{
ninfo("IN\n");
/* Verify that the packet connection is valid */
if (conn)
{
/* Setup for the application callback */
dev->d_appdata = &dev->d_buf[NET_LL_HDRLEN(dev) + IPv4UDP_HDRLEN];
dev->d_len = 0;
dev->d_sndlen = 0;
/* Perform the application callback */
(void)pkt_callback(dev, conn, PKT_POLL);
/* If the application has data to send, setup the UDP/IP header */
if (dev->d_sndlen > 0)
{
//devif_pkt_send(dev, conn);
return;
}
}
/* Make sure that d_len is zero meaning that there is nothing to be sent */
dev->d_len = 0;
}
int pkt_input(struct net_driver_s *dev)
{
FAR struct pkt_conn_s *conn;
FAR struct eth_hdr_s *pbuf = (struct eth_hdr_s *)dev->d_buf;
int ret = OK;
conn = pkt_active(pbuf);
if (conn)
{
uint16_t flags;
/* Setup for the application callback */
dev->d_appdata = dev->d_buf;
dev->d_sndlen = 0;
/* Perform the application callback */
flags = pkt_callback(dev, conn, PKT_NEWDATA);
/* If the operation was successful, the PKT_NEWDATA flag is removed
* and thus the packet can be deleted (OK will be returned).
*/
if ((flags & PKT_NEWDATA) != 0)
{
/* No.. the packet was not processed now. Return ERROR so
* that the driver may retry again later.
*/
ret = ERROR;
}
}
else
{
nlldbg("No listener\n");
}
return ret;
}