From owner-soc-status@freebsd.org Sun Aug 23 20:33:56 2015 Return-Path: Delivered-To: soc-status@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DFC2A9C0123 for ; Sun, 23 Aug 2015 20:33:56 +0000 (UTC) (envelope-from ionutalex.teaca@gmail.com) Received: from mail-ob0-x233.google.com (mail-ob0-x233.google.com [IPv6:2607:f8b0:4003:c01::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A3105C7C; Sun, 23 Aug 2015 20:33:56 +0000 (UTC) (envelope-from ionutalex.teaca@gmail.com) Received: by obbhe7 with SMTP id he7so97429410obb.0; Sun, 23 Aug 2015 13:33:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=rxg8YyGHjlSUIe0fMnFcFlp0jYjSs7QBGruH9gL9ANk=; b=woov2618v1E5k6yI1U8gYm7K35rzM4mJXsnThLGl+y9oWOJMdoj42Q4uyPCtdR5chG P7yPphzc3wc1ewX6UqyMh9YN8ygQ1/pg2URHogzQEo3SjOOGjT00GMxfsDaP2Lf0PhwL 7QToBWZ1LMIRXgiDCcsT8rMgF9NFOknIEbu1hVK73zkqeCSISGYCf1+28KbGA8xeaZBf PWVvg83wFfpFizhQWlcF4RqFnjOpcML3djFfEM2Job6eNYYz0hTqzvqPkMD0SNnKLLHl +qLV3Coj7jK1lElxQ0BRvDma78jnMRrvhit1s44g3QrgfHy2q7eQNtGjQ4LgH/7LP5Xl LVfA== MIME-Version: 1.0 X-Received: by 10.182.86.72 with SMTP id n8mr18953309obz.9.1440362036054; Sun, 23 Aug 2015 13:33:56 -0700 (PDT) Received: by 10.76.84.37 with HTTP; Sun, 23 Aug 2015 13:33:55 -0700 (PDT) In-Reply-To: References: Date: Sun, 23 Aug 2015 23:33:55 +0300 Message-ID: Subject: Re: GSOC 2015 - NE2000 emulation in bhyve Status From: Alex Teaca To: soc-status@freebsd.org Cc: Gavin Atkinson Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: soc-status@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Summer of Code Status Reports and Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 Aug 2015 20:33:57 -0000 Hi, - I've redesign the implementation in order to add the LPC attachment - implement the LPC attachment of the NE2000 emulation - update the wiki page with the final results, tests and performance measured [0] https://wiki.freebsd.org/SummerOfCode2015/NE2000EmulationForBhyve Thanks, Alex On Tue, Aug 18, 2015 at 2:05 PM, Alex Teaca wrote: > Hi, > > I've measured the performance of the NE2000 implementation. I will update > the project wiki page with the results I've got. > > 2 commits related with the software reset state: > - redesign the emulation of the CR register > - implement the software reset workaround, and the software reset routine > Practically, they've fixed a bug, because the emulator was able to receive > traffic when the interface was down. From now on the packets are dropped. > > Started to research on the ISA attachment of the ne2k emulation. > > Thanks, > Alex > > > On Thu, Aug 6, 2015 at 12:29 AM, Alex Teaca > wrote: > >> Hi, >> >> - handle the received multicast traffic >> - accept the frames in the Promiscuous mode for the destination >> addresses that do not match the station's address >> >> Thanks, >> Alex >> >> >> >> On Wed, Jul 29, 2015 at 7:08 PM, Alex Teaca >> wrote: >> >>> Hi, >>> >>> - I've added support for the read-only registers from the page0 >>> - handle the monitor mode of the NIC >>> - lock the reception flow with the .pe_barwrite and .pe_barwrite flows >>> >>> At the moment I am going to handle the multicast traffic and promiscuous >>> mode. >>> >>> Thanks, >>> Alex >>> >>> >>> On Sat, Jul 11, 2015 at 12:27 PM, Alex Teaca >>> wrote: >>> >>>> Hi, >>>> >>>> I've implemented the reception protocol of the NE2000 nic card. In >>>> order to test it, I send in both directions (from guest to host and from >>>> host to guest) big files (about 350M) >>>> and it works without any problems. >>>> >>>> At the moment, I want to implement a mechanism to lock the access on >>>> the shared resources between the tx and rx flows. >>>> >>>> Thanks, >>>> Alex >>>> >>>> >>>> >>>> On Sun, Jun 28, 2015 at 7:16 PM, Alex Teaca >>>> wrote: >>>> >>>>> Hi, >>>>> >>>>> From the last status report: >>>>> >>>>> implement 2 commits: >>>>> - parse the input string parameter and get the tap name and mac >>>>> address from it >>>>> - implement some logging and asserts related with the receive buffer >>>>> ring >>>>> >>>>> Also, I start to think about the receive protocol which is the next >>>>> step of the implementation by reading the specification from the datasheet >>>>> and understanding the implementation of the ED driver regarding the >>>>> way it receives packets from the NE2000 memory. It is pretty clear >>>>> what we need to implement and after a short design I will be able to >>>>> implement. >>>>> >>>>> Thanks, >>>>> Alex >>>>> >>>>> >>>>> On Sun, Jun 14, 2015 at 11:37 PM, Alex Teaca < >>>>> ionutalex.teaca@gmail.com> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> At the moment I am able to configure an IP address on the network >>>>>> interface corresponding to the NE2000 NIC. When I ping >>>>>> to the host IP, the tcpdump catches both ARP Request (sent by the >>>>>> guest using the NE2000 card) and an ARP Reply >>>>>> sent by the host OS. So, there is implemented the transmission >>>>>> protocol. For reception, the packets are only read >>>>>> from the tap device when it is notified by the mevent mechanism. >>>>>> >>>>>> For mode details, see the commits. >>>>>> >>>>>> Thanks, >>>>>> Alex >>>>>> >>>>>> >>>>>> On Tue, Jun 2, 2015 at 7:45 PM, Alex Teaca >>>>> > wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> I've started the implementation of the NE2000 module. At the moment >>>>>>> the ED driver is able to probe the emulated device (RealTek 8029) and add >>>>>>> it as a network interface. >>>>>>> >>>>>>> Some of the features which are implemented: >>>>>>> - implement some logging support >>>>>>> - clone the /usr/src/sys/dev/ed/if_edreg.h register interface from >>>>>>> the ed driver into the bhyve tree sources >>>>>>> - implement the NE2000 registers support and an API to access the >>>>>>> NIC registers (get and set by offset) >>>>>>> - design and implement the Remote DMA protocol so the ED driver can >>>>>>> store and load from the NIC's RAM memory >>>>>>> >>>>>>> Thanks, >>>>>>> Alex >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >