| ng_iface.c (147256) | ng_iface.c (147611) |
|---|---|
| 1/* 2 * ng_iface.c 3 */ 4 5/*- 6 * Copyright (c) 1996-1999 Whistle Communications, Inc. 7 * All rights reserved. 8 * --- 23 unchanged lines hidden (view full) --- 32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 * 38 * Author: Archie Cobbs <archie@freebsd.org> 39 * | 1/* 2 * ng_iface.c 3 */ 4 5/*- 6 * Copyright (c) 1996-1999 Whistle Communications, Inc. 7 * All rights reserved. 8 * --- 23 unchanged lines hidden (view full) --- 32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 * 38 * Author: Archie Cobbs <archie@freebsd.org> 39 * |
| 40 * $FreeBSD: head/sys/netgraph/ng_iface.c 147256 2005-06-10 16:49:24Z brooks $ | 40 * $FreeBSD: head/sys/netgraph/ng_iface.c 147611 2005-06-26 18:11:11Z dwmalone $ |
| 41 * $Whistle: ng_iface.c,v 1.33 1999/11/01 09:24:51 julian Exp $ 42 */ 43 44/* 45 * This node is also a system networking interface. It has 46 * a hook for each protocol (IP, AppleTalk, IPX, etc). Packets 47 * are simply relayed between the interface and the hooks. 48 * --- 298 unchanged lines hidden (view full) --- 347 348static int 349ng_iface_output(struct ifnet *ifp, struct mbuf *m, 350 struct sockaddr *dst, struct rtentry *rt0) 351{ 352 const priv_p priv = (priv_p) ifp->if_softc; 353 const iffam_p iffam = get_iffam_from_af(dst->sa_family); 354 int len, error = 0; | 41 * $Whistle: ng_iface.c,v 1.33 1999/11/01 09:24:51 julian Exp $ 42 */ 43 44/* 45 * This node is also a system networking interface. It has 46 * a hook for each protocol (IP, AppleTalk, IPX, etc). Packets 47 * are simply relayed between the interface and the hooks. 48 * --- 298 unchanged lines hidden (view full) --- 347 348static int 349ng_iface_output(struct ifnet *ifp, struct mbuf *m, 350 struct sockaddr *dst, struct rtentry *rt0) 351{ 352 const priv_p priv = (priv_p) ifp->if_softc; 353 const iffam_p iffam = get_iffam_from_af(dst->sa_family); 354 int len, error = 0; |
| 355 u_int32_t af; |
|
| 355 356 /* Check interface flags */ 357 if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) { 358 m_freem(m); 359 return (ENETDOWN); 360 } 361 | 356 357 /* Check interface flags */ 358 if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) { 359 m_freem(m); 360 return (ENETDOWN); 361 } 362 |
| 362 /* BPF writes need to be handled specially */ | 363 /* BPF writes need to be handled specially. */ |
| 363 if (dst->sa_family == AF_UNSPEC) { | 364 if (dst->sa_family == AF_UNSPEC) { |
| 364 if (m->m_len < 4 && (m = m_pullup(m, 4)) == NULL) 365 return (ENOBUFS); 366 dst->sa_family = (sa_family_t)*mtod(m, int32_t *); 367 m->m_data += 4; 368 m->m_len -= 4; 369 m->m_pkthdr.len -= 4; | 365 bcopy(dst->sa_data, &af, sizeof(af)); 366 dst->sa_family = af; |
| 370 } 371 372 /* Berkeley packet filter */ 373 ng_iface_bpftap(ifp, m, dst->sa_family); 374 375 /* Check address family to determine hook (if known) */ 376 if (iffam == NULL) { 377 m_freem(m); --- 125 unchanged lines hidden (view full) --- 503 504 /* Give this node the same name as the interface (if possible) */ 505 if (ng_name_node(node, ifp->if_xname) != 0) 506 log(LOG_WARNING, "%s: can't acquire netgraph name\n", 507 ifp->if_xname); 508 509 /* Attach the interface */ 510 if_attach(ifp); | 367 } 368 369 /* Berkeley packet filter */ 370 ng_iface_bpftap(ifp, m, dst->sa_family); 371 372 /* Check address family to determine hook (if known) */ 373 if (iffam == NULL) { 374 m_freem(m); --- 125 unchanged lines hidden (view full) --- 500 501 /* Give this node the same name as the interface (if possible) */ 502 if (ng_name_node(node, ifp->if_xname) != 0) 503 log(LOG_WARNING, "%s: can't acquire netgraph name\n", 504 ifp->if_xname); 505 506 /* Attach the interface */ 507 if_attach(ifp); |
| 511 bpfattach(ifp, DLT_NULL, sizeof(u_int)); | 508 bpfattach(ifp, DLT_NULL, sizeof(u_int32_t)); |
| 512 513 /* Done */ 514 return (0); 515} 516 517/* 518 * Give our ok for a hook to be added 519 */ --- 253 unchanged lines hidden --- | 509 510 /* Done */ 511 return (0); 512} 513 514/* 515 * Give our ok for a hook to be added 516 */ --- 253 unchanged lines hidden --- |