Module Name: src Committed By: roy Date: Tue Nov 15 09:15:44 UTC 2022
Modified Files: src/sys/netinet: if_arp.c Log Message: Revert prior. To generate a diff of this commit: cvs rdiff -u -r1.309 -r1.310 src/sys/netinet/if_arp.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/netinet/if_arp.c diff -u src/sys/netinet/if_arp.c:1.309 src/sys/netinet/if_arp.c:1.310 --- src/sys/netinet/if_arp.c:1.309 Mon Nov 14 09:32:21 2022 +++ src/sys/netinet/if_arp.c Tue Nov 15 09:15:43 2022 @@ -1,4 +1,4 @@ -/* $NetBSD: if_arp.c,v 1.309 2022/11/14 09:32:21 roy Exp $ */ +/* $NetBSD: if_arp.c,v 1.310 2022/11/15 09:15:43 roy Exp $ */ /* * Copyright (c) 1998, 2000, 2008 The NetBSD Foundation, Inc. @@ -68,7 +68,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.309 2022/11/14 09:32:21 roy Exp $"); +__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.310 2022/11/15 09:15:43 roy Exp $"); #ifdef _KERNEL_OPT #include "opt_ddb.h" @@ -932,8 +932,6 @@ again: /* * DAD check, RFC 5227. - * ARP sender hardware address must match the interface - * address of the interface sending the packet. * Collision on sender address is always a duplicate. * Collision on target address is only a duplicate * IF the sender address is the null host (ie a DAD probe) @@ -945,10 +943,7 @@ again: (in_hosteq(isaddr, myaddr) || (in_nullhost(isaddr) && in_hosteq(itaddr, myaddr) && m->m_flags & M_BCAST && - ia->ia4_flags & (IN_IFF_TENTATIVE | IN_IFF_DUPLICATED))) && - m->m_pkthdr.l2_shalen == ah->ar_hln && ( - ah->ar_hln == 0 || - memcmp(m->m_pkthdr.l2_sha, ar_sha(ah), ah->ar_hln) == 0)) + ia->ia4_flags & (IN_IFF_TENTATIVE | IN_IFF_DUPLICATED)))) { struct sockaddr_dl sdl, *sdlp;