Date: Thu, 22 Oct 2015 11:24:53 -0700 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: Slawa Olhovchenkov <slw@zxy.spb.ru>, "stable@freebsd.org" <stable@freebsd.org> Subject: Re: 82576 + NETMAP + VLAN Message-ID: <CA%2BhQ2%2Bg0ggpS%2BE5nOpON66efs7cwsed=NvaKa=mzsg6FycGhiQ@mail.gmail.com> In-Reply-To: <CAJ-Vmok56uBJgJh4Bwr7yjNwsigU=ySBJ08H26caODAAxXNLRA@mail.gmail.com> References: <20151018185639.GF42243@zxy.spb.ru> <CAJ-VmonO8ok=twgBGVMBiAs=AyRs4LUoDX6pGBtWStvndGKGzg@mail.gmail.com> <20151018210049.GT6469@zxy.spb.ru> <CAJ-Vmonfxz5vjVHqp6gS97mhnU10SLgohRA35O8MQLUzHvcsrw@mail.gmail.com> <20151022163519.GF6469@zxy.spb.ru> <CAJ-Vmok56uBJgJh4Bwr7yjNwsigU=ySBJ08H26caODAAxXNLRA@mail.gmail.com>
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On Thu, Oct 22, 2015 at 11:12 AM, Adrian Chadd <adrian.chadd@gmail.com> wrote: > On 22 October 2015 at 09:35, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: >> On Sun, Oct 18, 2015 at 07:45:52PM -0700, Adrian Chadd wrote: >> >>> Heh, file a bug with luigi; it should be defined better inside netmap itself. >> >> I am CC: luigi. >> >> Next question: do kevent RX/TX sync? >> In my setup I am need to manual NIOCTXSYNC/NIOCRXSYNC. > > Hi, > > Nope. kqueue() doesn't do the implicit sync like poll() does; it's > just the notification path. actually not. When the file descriptor is registered there is an implicit sync, and there is another one when an event is posted for the file descriptor. unless there are bugs, of course. cheers luigi -- -----------------------------------------+------------------------------- Prof. Luigi RIZZO, rizzo@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL +39-050-2217533 . via Diotisalvi 2 Mobile +39-338-6809875 . 56122 PISA (Italy) -----------------------------------------+-------------------------------
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