Date: Sat, 5 Nov 2011 04:33:58 +0800 From: Archy Cho <archycho@gmail.com> To: Jack Vogel <jfvogel@gmail.com>, freebsd-current@freebsd.org Subject: Re: Netmap for routers (em0 device) Message-ID: <CA%2BYO1LGWRFvpi%2BFcYM-QHbAv04J3nMMeB4MX4WKa6myYAS3Nrw@mail.gmail.com> In-Reply-To: <CA%2BYO1LEEQ-OgSfSyuY_dPVD-QT=YxXXFjPojZXp48=6JfEGKQg@mail.gmail.com> References: <CA%2BYO1LE1995YDuy442jgEeX8ZV2bAf3zRBkVr=Rqw=8DgT=x5Q@mail.gmail.com> <CAFOYbcnCxdK0-UV80gwZEpkoRKxTOj0hD9115r3cvGWS-Cwqvg@mail.gmail.com> <CA%2BYO1LH2%2BEEx6Yq2Rpm3UB0sXxF3=5gUEXpRyypLcJR7nJiCRw@mail.gmail.com> <CAFOYbck60KThtc3baFSSSFB9hkpVcta90_Lf3m1c_azMD7VLpA@mail.gmail.com> <CA%2BYO1LEEQ-OgSfSyuY_dPVD-QT=YxXXFjPojZXp48=6JfEGKQg@mail.gmail.com>
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With NETMAP patch I know there has no errors for default. source from info.iet.unipi.it/~luigi/*netmap*/ thank you. 2011/11/5 Archy Cho <archycho@gmail.com> > With NETMAP patch > I know there has no errors for default. > > > 2011/11/5 Jack Vogel <jfvogel@gmail.com> > >> I looked at the if_em.c in a untouched 8.2 machine, there is no 'j' at >> line 4012, >> furthermore, hundreds of users of 8.2 have compiled the em driver without >> errors, >> the release would not have happened with a broken em compile, the GENERIC >> kernel depends on it. >> >> .... SO, either the source is modified, or your environment is modified?? >> >> Jack >> >> >> >> On Fri, Nov 4, 2011 at 12:47 PM, Archy Cho <archycho@gmail.com> wrote: >> >>> undefined 'j' appears on FreeBSD 8.2 release ( both i386 and amd64 >>> tested ), >>> I could compile netmap to a 9.0-RC-1 box with disabling re/bge. >>> >>> 2011/11/5 Jack Vogel <jfvogel@gmail.com> >>> >>>> What version of the code is this, em certainly compiles in 8.2, and if >>>> you mean >>>> the code from HEAD or 9.0 I also don't see an undefined 'j'?? >>>> >>>> Jack >>>> >>>> >>>> On Fri, Nov 4, 2011 at 9:06 AM, Archy Cho <archycho@gmail.com> wrote: >>>> >>>>> Hello >>>>> >>>>> I am very happy to see freebsd could have such network performance with >>>>> netmap , >>>>> since I am currently using freebsd as core routers instead of cisco. >>>>> >>>>> I tried to re-compile the freebsd 8.2 kernel to test , >>>>> however , I could not complete the task ( both i386 and amd64 ), >>>>> I could only success at 9.0-RC-1. >>>>> >>>>> Here is my task and error message, >>>>> >>>>> cp /usr/src/sys/i386/conf/GENERIC /usr/src/sys/i386/conf/Netmap-Router >>>>> echo "device netmap" >> /usr/src/sys/i386/conf/Netmap-Router >>>>> cd /tmp/netmap/sys/ >>>>> cp -R * /usr/src/sys/ >>>>> cd /usr/src/ >>>>> patch -p < /tmp/netmap/head-netmap.diff >>>>> echo "WITHOUT_MODULES = bge re igb" >> /etc/make.conf >>>>> make buildkernel KERNCONF=Netmap-Router >>>>> make installkernel KERNCONF=Netmap-Router >>>>> >>>>> -Werror ../../../dev/e1000/if_em.c -I../../../dev/e1000 >>>>> ../../../dev/e1000/if_em.c: In function 'em_setup_receive_ring': >>>>> ../../../dev/e1000/if_em.c:4012: error: 'j' undeclared (first use in >>>>> this >>>>> function) >>>>> ../../../dev/e1000/if_em.c:4012: error: (Each undeclared identifier is >>>>> reported only once >>>>> ../../../dev/e1000/if_em.c:4012: error: for each function it appears >>>>> in.) >>>>> *** Error code 1 >>>>> >>>>> Stop in /usr/src/sys/i386/compile/Netmap-Router >>>>> >>>>> >>>>> Any hint of error message ? >>>>> >>>>> More questions , >>>>> I seldom facing DDOS , whatever using polling or not , >>>>> 1Gbps link with 64bytes packet will cause CPU 100% , >>>>> if a freebsd box compile with netmap , >>>>> could it have performance boost of routed / ipfw / pf ? >>>>> _______________________________________________ >>>>> freebsd-current@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-current >>>>> To unsubscribe, send any mail to " >>>>> freebsd-current-unsubscribe@freebsd.org" >>>>> >>>> >>>> >>> >> >
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