From owner-freebsd-net@FreeBSD.ORG Thu Jan 23 22:30:00 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E19C93CA for ; Thu, 23 Jan 2014 22:29:59 +0000 (UTC) Received: from mail-vb0-x234.google.com (mail-vb0-x234.google.com [IPv6:2607:f8b0:400c:c02::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 9ADBD1359 for ; Thu, 23 Jan 2014 22:29:59 +0000 (UTC) Received: by mail-vb0-f52.google.com with SMTP id p14so1394518vbm.25 for ; Thu, 23 Jan 2014 14:29:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type; bh=azXr0p4cbZzxQDTxzwKO5hzK825t8nSYMhalu0wxflM=; b=Fj16dNL0BKMtzjfV36WOwFzbXDH0GTdxxUkf0rzB6YjnsUuyWC5TjPp4HzhSmhHHEZ whGFVaE+jKSNqPY7+0846JKNPkffbD9VwhwcBuO0xTnwJVmPVpbOkGvZMqdu8GeDemn9 rHH10gYjgQIeB1wvXF6y1+BoUW3ejc1hn7VbNT+mZaLhri/luwBAdbKQq170kkyE/uCM isQwnMKpC6iwezS0CyYRnVLAeXdyPVgoNoSJcFzvMVd1ahOxa3JGK02ztyEb4d3reO2b SrFHwWl4lJ0p/TiReSCPTnlLLJlcuVSsJD13o6qjyT/yswLd0JhBZqH05iYMYAWRcLsF 4qIQ== X-Received: by 10.220.161.132 with SMTP id r4mr5769523vcx.29.1390516198686; Thu, 23 Jan 2014 14:29:58 -0800 (PST) MIME-Version: 1.0 Sender: cochard@gmail.com Received: by 10.58.171.1 with HTTP; Thu, 23 Jan 2014 14:29:38 -0800 (PST) In-Reply-To: <20140122184552.GB98322@onelab2.iet.unipi.it> References: <20140122184552.GB98322@onelab2.iet.unipi.it> From: =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= Date: Thu, 23 Jan 2014 23:29:38 +0100 X-Google-Sender-Auth: kBqcKD39q6e7j-kK4X7fW5XP0u8 Message-ID: Subject: Re: Netmap in FreeBSD 10 To: Luigi Rizzo Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: "C. L. Martinez" , "freebsd-net@freebsd.org" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jan 2014 22:30:00 -0000 On Wed, Jan 22, 2014 at 7:45 PM, Luigi Rizzo wrote: > > I also suggest to update the netmap code to the one in head, > which has more features and bugfixes. > > I've tried to copy the netmap code from head to 10.0: it's a little bit more complex than a simple copy :-) The linker is not happy because some declarations are just declared and not included in some header file, here is a limited output: /src/sys/dev/e1000/if_em.c:(.text+0x51ee): undefined reference to `netmap_buffer_lut' /src/sys/dev/e1000/if_em.c:(.text+0x5204): undefined reference to `netmap_buffer_lut' if_em.o: In function `em_netmap_txsync': /src/sys/dev/e1000/if_em.c:(.text+0xa170): undefined reference to `netmap_buffer_lut' if_em.o:/src/sys/dev/e1000/if_em.c:(.text+0xa184): more undefined references to `netmap_buffer_lut' follow netmap.o: In function `netmap_get_memory': /src/sys/dev/netmap/netmap.c:(.text+0xab8): undefined reference to `nm_mem' /src/sys/dev/netmap/netmap.c:(.text+0xaea): undefined reference to `netmap_mem_finalize' netmap.o: In function `netmap_dtor_locked': /src/sys/dev/netmap/netmap.c:(.text+0xb77): undefined reference to `netmap_mem_deref' netmap.o: In function `netmap_do_unregif': /src/sys/dev/netmap/netmap.c:(.text+0xc74): undefined reference to `netmap_mem_rings_delete' /src/sys/dev/netmap/netmap.c:(.text+0xc88): undefined reference to `netmap_mem_if_delete' netmap.o: In function `netmap_txsync_to_host': /src/sys/dev/netmap/netmap.c:(.text+0xeb1): undefined reference to `mbq_init' netmap.o: In function `netmap_grab_packets': /src/sys/dev/netmap/netmap.c:(.text+0x1800): undefined reference to `mbq_enqueue' netmap.o: In function `netmap_send_up': /src/sys/dev/netmap/netmap.c:(.text+0x1849): undefined reference to `mbq_dequeue' /src/sys/dev/netmap/netmap.c:(.text+0x18ce): undefined reference to `mbq_dequeue' /src/sys/dev/netmap/netmap.c:(.text+0x18de): undefined reference to `mbq_destroy' (etc...)