1/* 2 * ng_source.c 3 * 4 * Copyright 2002 Sandvine Inc. 5 * All rights reserved. 6 * 7 * Subject to the following obligations and disclaimer of warranty, use and 8 * redistribution of this software, in source or object code forms, with or --- 20 unchanged lines hidden (view full) --- 29 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF SANDVINE IS ADVISED OF THE POSSIBILITY OF SUCH 33 * DAMAGE. 34 * 35 * Author: Dave Chapeskie <dchapeskie@sandvine.com> 36 * |
37 * $FreeBSD: head/sys/netgraph/ng_source.c 111119 2003-02-19 05:47:46Z imp $ |
38 */ 39 40/* 41 * This node is used for high speed packet geneneration. It queues 42 * all data recieved on it's 'input' hook and when told to start via 43 * a control message it sends the packets out it's 'output' hook. In 44 * this way this node can be preloaded with a packet stream which is 45 * continuously sent. --- 589 unchanged lines hidden (view full) --- 635 for (sent = 0; error == 0 && sent < tosend; ++sent) { 636 s = splnet(); 637 IF_DEQUEUE(&sc->snd_queue, m); 638 splx(s); 639 if (m == NULL) 640 break; 641 642 /* duplicate the packet */ |
643 m2 = m_copypacket(m, M_DONTWAIT); |
644 if (m2 == NULL) { 645 s = splnet(); 646 IF_PREPEND(&sc->snd_queue, m); 647 splx(s); 648 error = ENOBUFS; 649 break; 650 } 651 --- 33 unchanged lines hidden --- |