Date: Thu, 6 Aug 2015 00:29:17 +0300 From: Alex Teaca <ionutalex.teaca@gmail.com> To: soc-status@freebsd.org Cc: Gavin Atkinson <gavin@freebsd.org> Subject: Re: GSOC 2015 - NE2000 emulation in bhyve Status Message-ID: <CAP0yNupNukFw4g63m_1Fzk1GunhMV7dkp7w_ETSS%2BJUjcJ6VBw@mail.gmail.com> In-Reply-To: <CAP0yNur018ANC3BOCioFTMDMA_ynbVG7_1LQOOoeGs3n=ZUMLQ@mail.gmail.com> References: <CAP0yNuosFai3TXthROnrHt9723fR5zvxuggHDzsxYpumxiYrQw@mail.gmail.com> <CAP0yNupwSYPMnSiC0U897JRuCgLSnmYLOoHsr9WTJg6mv34syw@mail.gmail.com> <CAP0yNupM5qG2AR-8Rpmg6O2GOns-ecehACpifQmvnLmiysjrSg@mail.gmail.com> <CAP0yNurX%2B7NaGw4LAOH3BXHLOse4aCunG2a8TRkbAiBSJ=o2ug@mail.gmail.com> <CAP0yNur018ANC3BOCioFTMDMA_ynbVG7_1LQOOoeGs3n=ZUMLQ@mail.gmail.com>
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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 <ionutalex.teaca@gmail.com> 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 <ionutalex.teaca@gmail.com> > 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 <ionutalex.teaca@gmail.com> >> 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 <ionutalex.teaca@gmail.com> >>>> 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 >>>>> >>>>> >>>> >>> >> >
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