1/* 2 * Copyright (c) 1982, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 |
34 * $FreeBSD: head/sys/net/if_ethersubr.c 108107 2002-12-19 22:58:27Z bmilekic $ |
35 */ 36 37#include "opt_atalk.h" 38#include "opt_inet.h" 39#include "opt_inet6.h" 40#include "opt_ipx.h" 41#include "opt_bdg.h" 42#include "opt_mac.h" --- 422 unchanged lines hidden (view full) --- 465 args.eh = &save_eh; /* MAC header for bridged/MAC packets */ 466 i = ip_fw_chk_ptr(&args); 467 m = args.m; 468 if (m != NULL) { 469 /* 470 * Restore Ethernet header, as needed, in case the 471 * mbuf chain was replaced by ipfw. 472 */ |
473 M_PREPEND(m, ETHER_HDR_LEN, M_DONTWAIT); |
474 if (m == NULL) { 475 *m0 = m; 476 return 0; 477 } 478 if (eh != mtod(m, struct ether_header *)) 479 bcopy(&save_eh, mtod(m, struct ether_header *), 480 ETHER_HDR_LEN); 481 } --- 407 unchanged lines hidden (view full) --- 889 * hand the packet to it for last chance processing; 890 * otherwise dispose of it. 891 */ 892 if (ng_ether_input_orphan_p != NULL) { 893 /* 894 * Put back the ethernet header so netgraph has a 895 * consistent view of inbound packets. 896 */ |
897 M_PREPEND(m, sizeof (struct ether_header), M_DONTWAIT); |
898 (*ng_ether_input_orphan_p)(ifp, m); 899 return; 900 } 901 m_freem(m); 902} 903 904/* 905 * Convert Ethernet address to printable (loggable) representation. --- 257 unchanged lines hidden --- |