From owner-soc-status@freebsd.org Wed Jul 29 16:08:37 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 631889AE785 for ; Wed, 29 Jul 2015 16:08:37 +0000 (UTC) (envelope-from ionutalex.teaca@gmail.com) Received: from mail-oi0-x234.google.com (mail-oi0-x234.google.com [IPv6:2607:f8b0:4003:c06::234]) (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 2937B1E24; Wed, 29 Jul 2015 16:08:37 +0000 (UTC) (envelope-from ionutalex.teaca@gmail.com) Received: by oigi136 with SMTP id i136so7556517oig.1; Wed, 29 Jul 2015 09:08:36 -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=v1MqBiDn/OIEakzEn1A6GM49Di/JHQlEgGp22oUEcuQ=; b=qkZV1IsPY9Hou9XPaOtrpBkgH3yiDUY2JQBObjaVJQ9ivO5ehB4W07xYL+umUswY/J oQvJlhoWdjKB6ABMdHZfsVI+MTrHQQpvGQwwNG0yGy+YZM6XKqB7AjArTzvrbnNp6oPi m4nTtBeYuHJ0XkATvD33xVb8Oa1vl7oS0TCdiwAxtt6nGUrpueAFcALtVCrXPOyQDECH dYbtYgQhl9jRXWMovXK9T+vJ3oOPv7BOWNVu5Mn8Dyxdu1VFNRK/5xiOkHirJRbP7NOu /iRDnKwU4umpbPY/iVsJ4NvY1C3UR0xqJZYBUvgCgCobvkxIqpcqgMuDSmTW9BXKn37+ 6Mdw== MIME-Version: 1.0 X-Received: by 10.202.193.65 with SMTP id r62mr39180165oif.1.1438186116427; Wed, 29 Jul 2015 09:08:36 -0700 (PDT) Received: by 10.76.84.37 with HTTP; Wed, 29 Jul 2015 09:08:36 -0700 (PDT) In-Reply-To: References: Date: Wed, 29 Jul 2015 19:08:36 +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: Wed, 29 Jul 2015 16:08:37 -0000 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 >> 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 >>>> >>>> >>> >> >