| nd6_nbr.c (196019) | nd6_nbr.c (197138) |
|---|---|
| 1/*- 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * 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 --- 16 unchanged lines hidden (view full) --- 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 * $KAME: nd6_nbr.c,v 1.86 2002/01/21 02:33:04 jinmei Exp $ 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * 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 --- 16 unchanged lines hidden (view full) --- 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 * $KAME: nd6_nbr.c,v 1.86 2002/01/21 02:33:04 jinmei Exp $ 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/netinet6/nd6_nbr.c 196019 2009-08-01 19:26:27Z rwatson $"); | 33__FBSDID("$FreeBSD: head/sys/netinet6/nd6_nbr.c 197138 2009-09-12 22:08:20Z hrs $"); |
| 34 35#include "opt_inet.h" 36#include "opt_inet6.h" 37#include "opt_ipsec.h" 38#include "opt_carp.h" 39#include "opt_mpath.h" 40 41#include <sys/param.h> --- 1151 unchanged lines hidden (view full) --- 1193 ia->ia6_flags &= ~IN6_IFF_TENTATIVE; 1194 return; 1195 } 1196 if (ifa->ifa_ifp == NULL) 1197 panic("nd6_dad_start: ifa->ifa_ifp == NULL"); 1198 if (!(ifa->ifa_ifp->if_flags & IFF_UP)) { 1199 return; 1200 } | 34 35#include "opt_inet.h" 36#include "opt_inet6.h" 37#include "opt_ipsec.h" 38#include "opt_carp.h" 39#include "opt_mpath.h" 40 41#include <sys/param.h> --- 1151 unchanged lines hidden (view full) --- 1193 ia->ia6_flags &= ~IN6_IFF_TENTATIVE; 1194 return; 1195 } 1196 if (ifa->ifa_ifp == NULL) 1197 panic("nd6_dad_start: ifa->ifa_ifp == NULL"); 1198 if (!(ifa->ifa_ifp->if_flags & IFF_UP)) { 1199 return; 1200 } |
| 1201 if (ND_IFINFO(ifa->ifa_ifp)->flags & ND6_IFF_IFDISABLED) 1202 return; |
|
| 1201 if (nd6_dad_find(ifa) != NULL) { 1202 /* DAD already in progress */ 1203 return; 1204 } 1205 1206 dp = malloc(sizeof(*dp), M_IP6NDP, M_NOWAIT); 1207 if (dp == NULL) { 1208 log(LOG_ERR, "nd6_dad_start: memory allocation failed for " --- 188 unchanged lines hidden (view full) --- 1397 log(LOG_ERR, "%s: manual intervention required\n", 1398 if_name(ifp)); 1399 1400 /* 1401 * If the address is a link-local address formed from an interface 1402 * identifier based on the hardware address which is supposed to be 1403 * uniquely assigned (e.g., EUI-64 for an Ethernet interface), IP 1404 * operation on the interface SHOULD be disabled. | 1203 if (nd6_dad_find(ifa) != NULL) { 1204 /* DAD already in progress */ 1205 return; 1206 } 1207 1208 dp = malloc(sizeof(*dp), M_IP6NDP, M_NOWAIT); 1209 if (dp == NULL) { 1210 log(LOG_ERR, "nd6_dad_start: memory allocation failed for " --- 188 unchanged lines hidden (view full) --- 1399 log(LOG_ERR, "%s: manual intervention required\n", 1400 if_name(ifp)); 1401 1402 /* 1403 * If the address is a link-local address formed from an interface 1404 * identifier based on the hardware address which is supposed to be 1405 * uniquely assigned (e.g., EUI-64 for an Ethernet interface), IP 1406 * operation on the interface SHOULD be disabled. |
| 1405 * [rfc2462bis-03 Section 5.4.5] | 1407 * [RFC 4862, Section 5.4.5] |
| 1406 */ 1407 if (IN6_IS_ADDR_LINKLOCAL(&ia->ia_addr.sin6_addr)) { 1408 struct in6_addr in6; 1409 1410 /* 1411 * To avoid over-reaction, we only apply this logic when we are 1412 * very sure that hardware addresses are supposed to be unique. 1413 */ --- 109 unchanged lines hidden --- | 1408 */ 1409 if (IN6_IS_ADDR_LINKLOCAL(&ia->ia_addr.sin6_addr)) { 1410 struct in6_addr in6; 1411 1412 /* 1413 * To avoid over-reaction, we only apply this logic when we are 1414 * very sure that hardware addresses are supposed to be unique. 1415 */ --- 109 unchanged lines hidden --- |