From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f66.google.com (mail-wm0-f66.google.com [74.125.82.66]) by dpdk.org (Postfix) with ESMTP id 849F32C5D for ; Tue, 22 Mar 2016 15:39:30 +0100 (CET) Received: by mail-wm0-f66.google.com with SMTP id r129so18308816wmr.2 for ; Tue, 22 Mar 2016 07:39:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=TvhaLCRIBfqgt+T46wdR+X5gXn0qKBCv6Vrg0suEFXg=; b=EMW4SM6tzR2Xt/PW//ZHkSgiGqRqA5g9LtqJPqro5L4A719l7nTCOZEdsn6szgg5VR nI5cqnO+AQitNuoLbpRqcZnotgPl2BjD4BfBgCw/3WCqkudEgkz20S9Wo+UbnrOwNzHC 2UYqbvizV1eHu8HDBPIHAnhCASxP97UItQB1CK0u1AJyakWkCS3XrAceGIr2tLN7Kste Cp0Q+zKhU2HJBj8sKluTZDT9yWF2k+uRpQNi3mf2py/G5Mh5Co9x49y/8Q/fCw8OmSh1 OQpVm9jgzR+hly4rewNHQ8Re4sBwcKbO9L3x0CZ1UcYcr/B8+X7ek4CHttoHcw8Md8sE KyBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=TvhaLCRIBfqgt+T46wdR+X5gXn0qKBCv6Vrg0suEFXg=; b=btKAKr6Lrbz85kcCthqeq2lvJJGL6jSvHbpwedHXmgKNFoBchNXS2tw8znhTFPvrJf BF2WOKTGNPChsJPUTR2vzMepynBDFEZnmldmXYbTtqeFkKsIgRtFfbgNh/pkI59Ks4sv +C+5CfZyNEUlimTBoRooPBxILZ4lPa1EYMaa/0TfpAlDA+ZMSGNv7ERty07rtE7MIQ9E lgsuHOlnY3BvtTnXl7zSnbWZqieAIyV4jMNKqKuaYFE+2+vVjfbrkEwXoTE/38O0hzKE JSBuCgNFUzP4YmxNbtpjS6BwxfWSrlrD3Pev0a7azcDHWQAhK71TYDejSzvIIVRtArn7 u3eA== X-Gm-Message-State: AD7BkJLTiA8uk04oOMVp+TsAJrX4dQgtR5Sebb4Ho8iTCMuWnV92ebTKZMYtMLg6oI17PoQqbGivnUR4PZNfsw== MIME-Version: 1.0 X-Received: by 10.194.187.240 with SMTP id fv16mr41979349wjc.53.1458657570346; Tue, 22 Mar 2016 07:39:30 -0700 (PDT) Sender: jblunck@gmail.com Received: by 10.194.249.9 with HTTP; Tue, 22 Mar 2016 07:39:30 -0700 (PDT) In-Reply-To: <2345741.PiUorM7y0C@xps13> References: <1424013889-2226-4-git-send-email-shemming@brocade.com> <6484604.tKVHzYQlhX@xps13> <2345741.PiUorM7y0C@xps13> Date: Tue, 22 Mar 2016 15:39:30 +0100 X-Google-Sender-Auth: ZC2YfV0mJnaQzdU_UPejMyEIx3E Message-ID: From: Jan Blunck To: Thomas Monjalon Cc: jblunck@brocade.com, Stephen Hemminger , dev@dpdk.org, Stephen Hemminger Content-Type: text/plain; charset=UTF-8 Subject: Re: [dpdk-dev] [PATCH v3 1/3] xen: Add UIO kernel driver X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Mar 2016 14:39:30 -0000 On Tue, Mar 22, 2016 at 12:27 PM, Thomas Monjalon wrote: > 2016-03-22 12:04, Jan Blunck: >> On Tue, Mar 22, 2016 at 11:42 AM, Thomas Monjalon >> wrote: >> > 2016-03-22 10:55, Jan Blunck: >> >> New UIO helper kernel driver for Xen netfront UIO poll mode driver. >> >> >> >> Signed-off-by: Stephen Hemminger >> >> Signed-off-by: Jan Blunck >> > >> > Is it contributed upstream? >> >> No. Haven't planed that yet. > > Integrating new kernel modules in DPDK, without upstream work, > is not planned. > I'll look into the existing Linux kernel netfront driver and check if upstream is actually willing to integrate the UIO part. >> > Is there something common with igb_uio? >> >> AFAIK igb_uio is mapping the bars via UIO. The Xen netfront driver >> isn't simulating a PCI interface. Instead it directly maps the TX/RX >> ring. >> >> Overlap is limited to reading sysfs files. Don't know if that is worth >> being extracted into a standalone header. > > No it is not worth extracting. I'm just trying to understand what this > module is, because the log doesn't say much. > I can address that for the upstream submission and drop it from this series.