CVS commit: src/sys/netinet

["Ryota Ozaki" <ozaki-r%netbsd.org@localhost>]

Module Name:    src
Committed By:   ozaki-r
Date:           Tue Aug 20 08:21:04 UTC 2024

Modified Files:
        src/sys/netinet: if_arp.c

Log Message:
arp: fix the behavior on detecting an address duplication without IPv4 DAD

On receiving an ARP request that has the same source protocol address as
the own address, i.e., address duplication, the original behavior of
a kernel prior to supporing IPv4 DAD is to send an ARP reply.   It is
the same with a latest kernel with DAD enabled.  However, a latest
kernel without DAD sends back an GARP packet.  Restore the original
behavior.


To generate a diff of this commit:
cvs rdiff -u -r1.313 -r1.314 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.