From: Vincent Knecht <vincent.knecht@mailoo.org>
To: Mark Greer <mgreer@animalcreek.com>,
Stephan Gerhold <stephan@gerhold.net>
Cc: Frieder Schrempf <frieder.schrempf@kontron.de>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-nfc@lists.01.org, Alex Blasche <alexander.blasche@qt.io>,
phone-devel@vger.kernel.org
Subject: Re: Testing wanted for Linux NFC subsystem
Date: Tue, 18 May 2021 21:18:56 +0200 [thread overview]
Message-ID: <f4ad7e8ebf520e0057ce912ea37b7d0a63112253.camel@mailoo.org> (raw)
In-Reply-To: <20210514152350.GA301895@animalcreek.com>
Le vendredi 14 mai 2021 à 08:23 -0700, Mark Greer a écrit :
> On Thu, May 13, 2021 at 05:37:19PM +0200, Stephan Gerhold wrote:
> > On Thu, May 13, 2021 at 07:48:55AM -0700, Mark Greer wrote:
> > > On Thu, May 13, 2021 at 01:49:53PM +0200, Stephan Gerhold wrote:
> > > > I have a couple of "recycled" smartphones running mainline Linux
> > > > and some of them do have NFC chips. I have two with NXP PN547
> > > > (supported by nxp,nxp-nci-i2c), one with Samsung S3FWRN5
> > > > (samsung,s3fwrn5-i2c) and even one with Broadcom BCM2079x I think
> > > > (this one does not have a driver for the Linux NFC subsystem sadly).
> > > >
> > > > +Cc phone-devel@vger.kernel.org, in case other people there are
> > > > interested in NFC :)
> > > >
> > > > The NXP/Samsung ones seems to work just fine. However, since there are
> > > > barely any userspace tools making use of Linux NFC all my testing so far
> > > > was limited to polling for devices with "nfctool" and being happy enough
> > > > when it realizes that I hold some NFC tag close to the device. :S
> > >
> > > There is a user-level daemon that is the counterpart for the in-kernel
> > > NFC subsystem. It is called neard and is available here:
> > >
> > > git://git.kernel.org/pub/scm/network/nfc/neard.git
> > >
> > > There are a few test script in it that will let you read and write NFC
> > > tags, and do some other things. We can add some more tests to that set
> > > as we go.
> > >
> >
> > Yeah, I packaged that for Alpine Linux / postmarketOS.
> > "nfctool" also comes from "neard" as far as I can tell :)
> >
> > I think I also played with the Neard test scripts a bit at some point,
> > and managed to read some NFC tag thing inside an old Yubikey NEO
> > that I found, but didn't really know what else to do.
>
> Yeah, there isn't a whole lot you can do but beyond reading/writing
> tags and peer-to-peer, there are things like Bluetooth and Wifi
> handover, Android Application Record support, and at least some
> support for Secure Engine.
Could sniffing and injection work, like for wifi ?
Guess that depends on specific chip drivers, and libpcap support for sniffing ?
https://wiki.wireshark.org/SampleCaptures#Radio_Frequency_Identification_.28RFID.29.2C_and_Near-Field_Communication_.28NFC.29
https://code.google.com/archive/p/wireshark-nfc/
next prev parent reply other threads:[~2021-05-18 19:43 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 14:43 [PATCH 1/2] MAINTAINERS: nfc: add Krzysztof Kozlowski as maintainer Krzysztof Kozlowski
2021-05-12 14:43 ` Krzysztof Kozlowski
2021-05-12 14:43 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-12 14:43 ` [PATCH 2/2] MAINTAINERS: nfc: include linux-nfc mailing list Krzysztof Kozlowski
2021-05-12 14:43 ` Krzysztof Kozlowski
2021-05-12 14:43 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-12 15:15 ` Mark Greer
2021-05-12 15:15 ` Mark Greer
2021-05-12 15:15 ` [linux-nfc] " Mark Greer
2021-05-12 15:11 ` [linux-nfc] [PATCH 1/2] MAINTAINERS: nfc: add Krzysztof Kozlowski as maintainer Daniel Lezcano
2021-05-12 15:11 ` Daniel Lezcano
2021-05-12 15:11 ` [linux-nfc] " Daniel Lezcano
2021-05-12 15:43 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-12 15:43 ` Krzysztof Kozlowski
2021-05-12 15:43 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-12 16:49 ` Mark Greer
2021-05-12 16:49 ` Mark Greer
2021-05-12 16:49 ` [linux-nfc] " Mark Greer
2021-05-12 20:22 ` Krzysztof Kozlowski
2021-05-12 20:22 ` Krzysztof Kozlowski
2021-05-12 20:22 ` [linux-nfc] " Krzysztof Kozlowski
2021-07-09 9:24 ` Krzysztof Kozlowski
2021-07-09 9:24 ` Krzysztof Kozlowski
2021-07-09 9:24 ` [linux-nfc] " Krzysztof Kozlowski
2021-07-15 18:34 ` Mark Greer
2021-07-15 18:34 ` Mark Greer
2021-07-15 18:34 ` [linux-nfc] " Mark Greer
2021-07-16 10:17 ` Krzysztof Kozlowski
2021-07-16 10:17 ` Krzysztof Kozlowski
2021-07-16 10:17 ` [linux-nfc] " Krzysztof Kozlowski
2021-07-16 17:15 ` Mark Greer
2021-07-16 17:15 ` Mark Greer
2021-07-16 17:15 ` [linux-nfc] " Mark Greer
2021-07-16 18:17 ` Krzysztof Kozlowski
2021-07-16 18:17 ` Krzysztof Kozlowski
2021-07-16 18:17 ` [linux-nfc] " Krzysztof Kozlowski
2021-07-16 19:32 ` Mark Greer
2021-07-16 19:32 ` Mark Greer
2021-07-16 19:32 ` [linux-nfc] " Mark Greer
2021-05-12 15:15 ` [linux-nfc] " Mark Greer
2021-05-12 15:15 ` Mark Greer
2021-05-12 15:15 ` [linux-nfc] " Mark Greer
2021-05-12 15:32 ` [linux-nfc] " Frieder Schrempf
2021-05-12 15:32 ` Frieder Schrempf
2021-05-12 15:32 ` [linux-nfc] " Frieder Schrempf
2021-05-12 17:01 ` [linux-nfc] " Mark Greer
2021-05-12 17:01 ` Mark Greer
2021-05-12 17:01 ` [linux-nfc] " Mark Greer
2021-05-12 20:21 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-12 20:21 ` Krzysztof Kozlowski
2021-05-12 20:21 ` [linux-nfc] " Krzysztof Kozlowski
2021-05-13 1:35 ` [linux-nfc] " Mark Greer
2021-05-13 1:35 ` Mark Greer
2021-05-13 1:35 ` [linux-nfc] " Mark Greer
2021-05-13 11:49 ` Testing wanted for Linux NFC subsystem Stephan Gerhold
2021-05-13 14:48 ` Mark Greer
2021-05-13 14:48 ` Mark Greer
2021-05-13 14:48 ` [linux-nfc] " Mark Greer
2021-05-13 15:37 ` Stephan Gerhold
2021-05-14 15:23 ` Mark Greer
2021-05-14 15:23 ` Mark Greer
2021-05-14 15:23 ` [linux-nfc] " Mark Greer
2021-05-18 19:18 ` Vincent Knecht [this message]
2021-05-12 21:20 ` [PATCH 1/2] MAINTAINERS: nfc: add Krzysztof Kozlowski as maintainer patchwork-bot+netdevbpf
2021-05-12 21:31 ` Krzysztof Kozlowski
2021-05-12 21:31 ` Krzysztof Kozlowski
2021-05-12 21:31 ` [linux-nfc] " Krzysztof Kozlowski
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