PR/60071 CVS commit: [netbsd-10] src

["Martin Husemann" <martin%netbsd.org@localhost>]

The following reply was made to PR kern/60071; it has been noted by GNATS.

From: "Martin Husemann" <martin%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/60071 CVS commit: [netbsd-10] src
Date: Wed, 3 Jun 2026 18:43:46 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Wed Jun  3 18:43:46 UTC 2026
 
 Modified Files:
 	src/sys/net [netbsd-10]: if_llatbl.h nd.c
 	src/sys/netinet [netbsd-10]: if_arp.c
 	src/sys/netinet6 [netbsd-10]: nd6.c
 	src/tests/net/arp [netbsd-10]: t_arp.sh
 
 Log Message:
 Pull up following revision(s) (requested by ozaki-r in ticket #1269):
 
 	sys/net/if_llatbl.h: revision 1.20
 	sys/netinet/if_arp.c: revision 1.319
 	sys/net/nd.c: revision 1.10
 	tests/net/arp/t_arp.sh: revision 1.50
 	tests/net/arp/t_arp.sh: revision 1.51
 	sys/netinet6/nd6.c: revision 1.286
 
 commit 27c3de6c8063a7850ef0efbea0d83f314e541ce8
 Author: Ryota Ozaki <ozaki-r%iij.ad.jp@localhost>
 Date:   Thu Mar 12 12:42:03 2026 +0900
     nd: reset ln_asked on state reset
     Even if a userland program such as ping continuously sends packets
     to a (temporarily) unreachable host, the ND resolver only sends
     request packets up to nd_mmaxtries times. This change allows ND
     request packets to continue being sent while the userland process
     is still sending packets.
     Additionally, introduce LLE_UNRESOLVED to fix another issue.
     nd_resolve may incorrectly return an error immediately after sending
     the last ND request packet. For example, if nd_mmaxtries = 1 and two
     packets arrive simultaneously, nd_resolve returns an error for the
     second packet. This occurs because ln_asked is used to determine
     whether the ND resolution is still in progress.
     Instead, use the new LLE_UNRESOLVED state. It is set when the state
     transitions to WAITDELETE, i.e., one second after the last request
     is sent without successful address resolution.
     PR kern/60071
 
 tests, arp: add keep_sending test
 
 It tests whether ARP sends requests more than net.inet.arp.nd_bmaxtries
 times while ping is sending packets.
 tests: skip arp_keep_sending test on qemu
 
 It doesn't work on qemu (on NetBSD?) while it works on other
 environments.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.19 -r1.19.2.1 src/sys/net/if_llatbl.h
 cvs rdiff -u -r1.5.2.2 -r1.5.2.3 src/sys/net/nd.c
 cvs rdiff -u -r1.311.2.4 -r1.311.2.5 src/sys/netinet/if_arp.c
 cvs rdiff -u -r1.279.4.4 -r1.279.4.5 src/sys/netinet6/nd6.c
 cvs rdiff -u -r1.45.6.3 -r1.45.6.4 src/tests/net/arp/t_arp.sh
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.