| if_ethersubr.c (151301) | if_ethersubr.c (151305) |
|---|---|
| 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 --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 | 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 --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 |
| 30 * $FreeBSD: head/sys/net/if_ethersubr.c 151301 2005-10-13 23:05:55Z thompsa $ | 30 * $FreeBSD: head/sys/net/if_ethersubr.c 151305 2005-10-14 02:38:47Z thompsa $ |
| 31 */ 32 33#include "opt_atalk.h" 34#include "opt_inet.h" 35#include "opt_inet6.h" 36#include "opt_ipx.h" 37#include "opt_mac.h" 38#include "opt_netgraph.h" --- 15 unchanged lines hidden (view full) --- 54#include <net/if_arp.h> 55#include <net/netisr.h> 56#include <net/route.h> 57#include <net/if_llc.h> 58#include <net/if_dl.h> 59#include <net/if_types.h> 60#include <net/bpf.h> 61#include <net/ethernet.h> | 31 */ 32 33#include "opt_atalk.h" 34#include "opt_inet.h" 35#include "opt_inet6.h" 36#include "opt_ipx.h" 37#include "opt_mac.h" 38#include "opt_netgraph.h" --- 15 unchanged lines hidden (view full) --- 54#include <net/if_arp.h> 55#include <net/netisr.h> 56#include <net/route.h> 57#include <net/if_llc.h> 58#include <net/if_dl.h> 59#include <net/if_types.h> 60#include <net/bpf.h> 61#include <net/ethernet.h> |
| 62#include <net/if_bridgevar.h> |
|
| 62#include <net/if_vlan_var.h> 63 64#if defined(INET) || defined(INET6) 65#include <netinet/in.h> 66#include <netinet/in_var.h> 67#include <netinet/if_ether.h> 68#include <netinet/ip_fw.h> 69#include <netinet/ip_dummynet.h> --- 30 unchanged lines hidden (view full) --- 100void (*ng_ether_input_p)(struct ifnet *ifp, struct mbuf **mp); 101void (*ng_ether_input_orphan_p)(struct ifnet *ifp, struct mbuf *m); 102int (*ng_ether_output_p)(struct ifnet *ifp, struct mbuf **mp); 103void (*ng_ether_attach_p)(struct ifnet *ifp); 104void (*ng_ether_detach_p)(struct ifnet *ifp); 105 106void (*vlan_input_p)(struct ifnet *, struct mbuf *); 107 | 63#include <net/if_vlan_var.h> 64 65#if defined(INET) || defined(INET6) 66#include <netinet/in.h> 67#include <netinet/in_var.h> 68#include <netinet/if_ether.h> 69#include <netinet/ip_fw.h> 70#include <netinet/ip_dummynet.h> --- 30 unchanged lines hidden (view full) --- 101void (*ng_ether_input_p)(struct ifnet *ifp, struct mbuf **mp); 102void (*ng_ether_input_orphan_p)(struct ifnet *ifp, struct mbuf *m); 103int (*ng_ether_output_p)(struct ifnet *ifp, struct mbuf **mp); 104void (*ng_ether_attach_p)(struct ifnet *ifp); 105void (*ng_ether_detach_p)(struct ifnet *ifp); 106 107void (*vlan_input_p)(struct ifnet *, struct mbuf *); 108 |
| 108/* if_bridge(4) support. XXX: should go into some include. */ | 109/* if_bridge(4) support */ |
| 109struct mbuf *(*bridge_input_p)(struct ifnet *, struct mbuf *); 110int (*bridge_output_p)(struct ifnet *, struct mbuf *, 111 struct sockaddr *, struct rtentry *); 112void (*bridge_dn_p)(struct mbuf *, struct ifnet *); 113void (*bridge_detach_p)(struct ifnet *ifp); 114 115static const u_char etherbroadcastaddr[ETHER_ADDR_LEN] = 116 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; --- 166 unchanged lines hidden (view full) --- 283 else 284 (void)memcpy(eh->ether_shost, IFP2ENADDR(ifp), 285 sizeof(eh->ether_shost)); 286 287 /* 288 * Bridges require special output handling. 289 */ 290 if (ifp->if_bridge) { | 110struct mbuf *(*bridge_input_p)(struct ifnet *, struct mbuf *); 111int (*bridge_output_p)(struct ifnet *, struct mbuf *, 112 struct sockaddr *, struct rtentry *); 113void (*bridge_dn_p)(struct mbuf *, struct ifnet *); 114void (*bridge_detach_p)(struct ifnet *ifp); 115 116static const u_char etherbroadcastaddr[ETHER_ADDR_LEN] = 117 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; --- 166 unchanged lines hidden (view full) --- 284 else 285 (void)memcpy(eh->ether_shost, IFP2ENADDR(ifp), 286 sizeof(eh->ether_shost)); 287 288 /* 289 * Bridges require special output handling. 290 */ 291 if (ifp->if_bridge) { |
| 291 KASSERT(bridge_output_p != NULL, 292 ("%s: if_bridge not loaded!", __func__)); 293 return ((*bridge_output_p)(ifp, m, NULL, NULL)); | 292 BRIDGE_OUTPUT(ifp, m, error); 293 return (error); |
| 294 } 295 296 /* 297 * If a simplex interface, and the packet is being sent to our 298 * Ethernet address or a broadcast address, loopback a copy. 299 * XXX To make a simplex device behave exactly like a duplex 300 * device, we should copy in the case of sending to our own 301 * ethernet address (thus letting the original actually appear --- 278 unchanged lines hidden (view full) --- 580 * it gets processed as normal. Note that bridge_input() 581 * will always return the original packet if we need to 582 * process it locally. 583 * 584 * XXX: When changing the below block, please also look 585 * at the src/sys/netgraph/ng_ether.c:ng_ether_rcv_upper() 586 */ 587 if (ifp->if_bridge) { | 294 } 295 296 /* 297 * If a simplex interface, and the packet is being sent to our 298 * Ethernet address or a broadcast address, loopback a copy. 299 * XXX To make a simplex device behave exactly like a duplex 300 * device, we should copy in the case of sending to our own 301 * ethernet address (thus letting the original actually appear --- 278 unchanged lines hidden (view full) --- 580 * it gets processed as normal. Note that bridge_input() 581 * will always return the original packet if we need to 582 * process it locally. 583 * 584 * XXX: When changing the below block, please also look 585 * at the src/sys/netgraph/ng_ether.c:ng_ether_rcv_upper() 586 */ 587 if (ifp->if_bridge) { |
| 588 KASSERT(bridge_input_p != NULL, 589 ("%s: if_bridge not loaded!", __func__)); 590 591 m = (*bridge_input_p)(ifp, m); | 588 BRIDGE_INPUT(ifp, m); |
| 592 if (m == NULL) 593 return; | 589 if (m == NULL) 590 return; |
| 594 /* 595 * Bridge has determined that the packet is for us. 596 * Update our interface pointer -- we may have had 597 * to "bridge" the packet locally. 598 */ 599 ifp = m->m_pkthdr.rcvif; | |
| 600 } 601 602 /* First chunk of an mbuf contains good entropy */ 603 if (harvest.ethernet) 604 random_harvest(m, 16, 3, 0, RANDOM_NET); 605 ether_demux(ifp, m); 606} 607 --- 599 unchanged lines hidden --- | 591 } 592 593 /* First chunk of an mbuf contains good entropy */ 594 if (harvest.ethernet) 595 random_harvest(m, 16, 3, 0, RANDOM_NET); 596 ether_demux(ifp, m); 597} 598 --- 599 unchanged lines hidden --- |