1
2/*
3 * ng_pptpgre.c
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
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31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@freebsd.org>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_pptpgre.c 103308 2002-09-14 00:00:49Z archie $
40 * $Whistle: ng_pptpgre.c,v 1.7 1999/12/08 00:10:06 archie Exp $
41 */
42
43/*
44 * PPTP/GRE netgraph node type.
45 *
46 * This node type does the GRE encapsulation as specified for the PPTP
47 * protocol (RFC 2637, section 4). This includes sequencing and
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527 priv->stats.memoryFailures++;
528 if (item)
529 NG_FREE_ITEM(item);
530 return (ENOBUFS);
531 }
532 m->m_len = m->m_pkthdr.len = grelen;
533 m->m_pkthdr.rcvif = NULL;
534 } else {
535 M_PREPEND(m, grelen, M_NOWAIT);
536 if (m == NULL || (m->m_len < grelen
537 && (m = m_pullup(m, grelen)) == NULL)) {
538 priv->stats.memoryFailures++;
539 if (item)
540 NG_FREE_ITEM(item);
541 return (ENOBUFS);
542 }
543 }
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2/*
3 * ng_pptpgre.c
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
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31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@freebsd.org>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_pptpgre.c 103308 2002-09-14 00:00:49Z archie $
40 * $Whistle: ng_pptpgre.c,v 1.7 1999/12/08 00:10:06 archie Exp $
41 */
42
43/*
44 * PPTP/GRE netgraph node type.
45 *
46 * This node type does the GRE encapsulation as specified for the PPTP
47 * protocol (RFC 2637, section 4). This includes sequencing and
--- 479 unchanged lines hidden (view full) ---
527 priv->stats.memoryFailures++;
528 if (item)
529 NG_FREE_ITEM(item);
530 return (ENOBUFS);
531 }
532 m->m_len = m->m_pkthdr.len = grelen;
533 m->m_pkthdr.rcvif = NULL;
534 } else {
535 M_PREPEND(m, grelen, M_NOWAIT);
536 if (m == NULL || (m->m_len < grelen
537 && (m = m_pullup(m, grelen)) == NULL)) {
538 priv->stats.memoryFailures++;
539 if (item)
540 NG_FREE_ITEM(item);
541 return (ENOBUFS);
542 }
543 }
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