On Fri, Apr 5, 2019 at 2:31 AM N. Benes <[email protected]> wrote: > William Herrin: > > Which I understand to mean that +0 (0x0000) is a legal value in an IPv4 > > checksum field, but -0 (0xffff) is not. > > > > Is this a bug? > > Related threads: > > https://mails.dpdk.org/archives/users/2019-March/004021.html > https://mails.dpdk.org/archives/dev/2019-April/128473.html
Ah, my google-fu failed me. Thanks for the refs! So it is a bug and Olivier Matz is writing a patch. Few receivers stumble when presented with -0 as a checksum so it shouldn't be causing much of a problem but I did stumble across this long-ago conversation: https://mailarchive.ietf.org/arch/msg/ietf/2EZyjq9tiQvyfyAXgPMKQ7MtToU https://mailarchive.ietf.org/arch/msg/ietf/36lReuBvahPjxVTth1wpm7kt7zs Regards, Bill Herrin -- William Herrin ................ [email protected] [email protected] Dirtside Systems ......... Web: <http://www.dirtside.com/>
