From owner-freebsd-current@FreeBSD.ORG Fri Nov 4 20:32:33 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 42804106564A for ; Fri, 4 Nov 2011 20:32:33 +0000 (UTC) (envelope-from archycho@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id EF0C68FC15 for ; Fri, 4 Nov 2011 20:32:32 +0000 (UTC) Received: by vws11 with SMTP id 11so3852547vws.13 for ; Fri, 04 Nov 2011 13:32:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=qpAuYwPh4cPddFa5gawBjy/aXvsYmqfUeF2ryHBMELg=; b=i7bW4TjgU6tR4GM4vIL9PjaQ5xTs1SblGOzaU1TX/nQV5uI+y1GagjLPjBpQJ8agTo VnamgqDHrh+AWPQocZPAGLWCF0koWq0V8Qm5gqgc9YRzoaJOLVszL8xTGsc3VEBUxupp a2CSy0cNVwwT876WWsBYjvBA/ypq3TflIidGE= MIME-Version: 1.0 Received: by 10.52.97.35 with SMTP id dx3mr16439568vdb.2.1320438752121; Fri, 04 Nov 2011 13:32:32 -0700 (PDT) Received: by 10.52.158.72 with HTTP; Fri, 4 Nov 2011 13:32:32 -0700 (PDT) In-Reply-To: References: Date: Sat, 5 Nov 2011 04:32:32 +0800 Message-ID: From: Archy Cho To: Jack Vogel , freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: Netmap for routers (em0 device) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Nov 2011 20:32:33 -0000 With NETMAP patch I know there has no errors for default. 2011/11/5 Jack Vogel > 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 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 >> >>> 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 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" >>>> >>> >>> >> >