static ssize_t
ssl_send(struct stream *stream, const void *buffer, size_t n)
{
struct ssl_stream *sslv = ssl_stream_cast(stream);
if (sslv->txbuf) {
return -EAGAIN;
} else {
int error;
sslv->txbuf = ofpbuf_clone_data(buffer, n);
error = ssl_do_tx(stream);
switch (error) {
case 0:
ssl_clear_txbuf(sslv);
return n;
case EAGAIN:
leak_checker_claim(buffer);
return n;
default:
sslv->txbuf = NULL;
return -error;
}
}
}
/* Blocking function that waits for a packet from datapath. 'pkt' will get
* populated with packet data. */
int
dpdk_link_recv_packet(struct ofpbuf **pkt, struct dpif_dpdk_upcall *info)
{
struct rte_mbuf *mbuf = NULL;
uint16_t pktmbuf_len = 0;
void *pktmbuf_data = NULL;
DPDK_DEBUG()
if (rte_ring_sc_dequeue(packet_ring, (void **)&mbuf) != 0) {
return EAGAIN;
}
pktmbuf_data = rte_pktmbuf_mtod(mbuf, void *);
pktmbuf_len = rte_pktmbuf_data_len(mbuf);
rte_memcpy(info, pktmbuf_data, sizeof(*info));
pktmbuf_data = (uint8_t *)pktmbuf_data + sizeof(*info);
*pkt = ofpbuf_clone_data(pktmbuf_data, pktmbuf_len - sizeof(*info));
rte_pktmbuf_free(mbuf);
return 0;
}
struct ofpbuf *
ofpbuf_clone(const struct ofpbuf *buffer)
{
return ofpbuf_clone_data(buffer->data, buffer->size);
}
