Date: Wed, 8 Aug 2018 20:46:31 +0300 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: rgrimes@freebsd.org Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: Re: svn commit: r337462 - in stable/11/sys: net netinet netinet6 Message-ID: <99179ee8-9272-08be-f86a-d2ca06deef9f@yandex.ru> In-Reply-To: <201808081640.w78Gegho012855@pdx.rh.CN85.dnsmgr.net> References: <201808081640.w78Gegho012855@pdx.rh.CN85.dnsmgr.net>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --TBF9znWahoznHdgldKXQsN4W4xCxrAXCE Content-Type: multipart/mixed; boundary="I7CXRGr4YjJrD3o5Kvp0gG6FC3f1Q7ZaO"; protected-headers="v1" From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: rgrimes@freebsd.org Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Message-ID: <99179ee8-9272-08be-f86a-d2ca06deef9f@yandex.ru> Subject: Re: svn commit: r337462 - in stable/11/sys: net netinet netinet6 References: <201808081640.w78Gegho012855@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <201808081640.w78Gegho012855@pdx.rh.CN85.dnsmgr.net> --I7CXRGr4YjJrD3o5Kvp0gG6FC3f1Q7ZaO Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 08.08.2018 19:40, Rodney W. Grimes wrote: >> Author: ae >> Date: Wed Aug 8 16:17:50 2018 >> New Revision: 337462 >> URL: https://svnweb.freebsd.org/changeset/base/337462 >> >> Log: >> MFC r331098 (by melifaro): >> Fix outgoing TCP/UDP packet drop on arp/ndp entry expiration. >> =20 >> Current arp/nd code relies on the feedback from the datapath indic= ating >> that the entry is still used. This mechanism is incorporated into= the >> arpresolve()/nd6_resolve() routines. After the inpcb route cache >> introduction, the packet path for the locally-originated packets = changed, >> passing cached lle pointer to the ether_output() directly. This r= esulted >> in the arp/ndp entry expire each time exactly after the configure= d max_age >> interval. During the small window between the ARP/NDP request and= reply >> from the router, most of the packets got lost. >> =20 >> Fix this behaviour by plugging datapath notification code to the p= acket >> path used by route cache. Unify the notification code by using si= ngle >> inlined function with the per-AF callbacks. >=20 > Is this worthy of an EN for 11.2? > This is a rather annoying problem for some people. I saw only one report, if you think so, fell free to do that :) --=20 WBR, Andrey V. Elsukov --I7CXRGr4YjJrD3o5Kvp0gG6FC3f1Q7ZaO-- --TBF9znWahoznHdgldKXQsN4W4xCxrAXCE Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAltrLHcACgkQAcXqBBDI oXpLPgf9FEE70v4j+xX+xifOYg9TsnKjm3M6hnqGZNb0XtXjjHQ2wrGnzEVS4JG3 n2v8kEoDRwvpbdv2pc6uwzRQy43Y1/j+4op39RWZ8NHV6WAYxJNtpVswdpvLGKz+ y15ZfR21SmGFOACPJA01G4TQzgywc5fmYWK7q+UuGji6J8+NDwLHGDLIQWM6FZ+A d0qAFrywgvrRwaa5mnkOrTt6ySnAXHpZDYjBHgA/OD74RtMK7U/li7EpdRJrDZ1S V0l7uQltH6TtrOgqtyX1PmAIjds5gL/YdhT1S4RDWPYtYp2KTelbG98oxOlVM6MG Mak9N1YzCsO56Q56In8S4tfg2DZCAA== =YUhJ -----END PGP SIGNATURE----- --TBF9znWahoznHdgldKXQsN4W4xCxrAXCE--
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