From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Aloisio Almeida
<aloisio.almeida-430g2QfJUUCGglJvpFV4uA@public.gmane.org>
Cc: Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
hthebaud-Umy9UjvE/gtWk0Htik3J/w@public.gmane.org,
matti.j.aaltonen-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org,
alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org,
Sebastian.Chlad-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip
Date: Fri, 1 Apr 2011 21:43:23 +0200 [thread overview]
Message-ID: <201104012143.23261.arnd@arndb.de> (raw)
In-Reply-To: <AANLkTikjTAFrhS7_P+KJ-r-33K6fW2+63OnLhjXE-u0k-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Friday 01 April 2011 20:19:30 Aloisio Almeida wrote:
> We are finalizing a NFC stack prototype and we decided to use generic
> netlink. But during the implementation we found a disadvantage of this
> approach.
>
> While implementing data_exchange through netlink, it was not possible
> to avoid memcpy as the skbuff coming from netlink can contain more
> than one message.
I don't think anyone in this thread suggested using netlink for user
data.
> We didn't find any implementation that uses netlink to exchage data.
> As in the nl80211, the netlink is used only for control commands.
Yes, that is the normal way to do it.
> We plan to publish for comments this prototype early next week. Then
> we plan to implement a version using AF_NFC.
Sounds good.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Aloisio Almeida <aloisio.almeida@openbossa.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
Waldemar.Rymarkiewicz@tieto.com, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org, hthebaud@insidefr.com,
matti.j.aaltonen@nokia.com, alan@lxorguk.ukuu.org.uk,
Sebastian.Chlad@tieto.com
Subject: Re: [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip
Date: Fri, 1 Apr 2011 21:43:23 +0200 [thread overview]
Message-ID: <201104012143.23261.arnd@arndb.de> (raw)
In-Reply-To: <AANLkTikjTAFrhS7_P+KJ-r-33K6fW2+63OnLhjXE-u0k@mail.gmail.com>
On Friday 01 April 2011 20:19:30 Aloisio Almeida wrote:
> We are finalizing a NFC stack prototype and we decided to use generic
> netlink. But during the implementation we found a disadvantage of this
> approach.
>
> While implementing data_exchange through netlink, it was not possible
> to avoid memcpy as the skbuff coming from netlink can contain more
> than one message.
I don't think anyone in this thread suggested using netlink for user
data.
> We didn't find any implementation that uses netlink to exchage data.
> As in the nl80211, the netlink is used only for control commands.
Yes, that is the normal way to do it.
> We plan to publish for comments this prototype early next week. Then
> we plan to implement a version using AF_NFC.
Sounds good.
Arnd
next prev parent reply other threads:[~2011-04-01 19:43 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-18 10:40 [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip Waldemar Rymarkiewicz
2011-03-18 10:40 ` Waldemar Rymarkiewicz
[not found] ` <1300444824-13713-1-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-18 10:40 ` Waldemar Rymarkiewicz
2011-03-18 10:40 ` Waldemar Rymarkiewicz
[not found] ` <1300444824-13713-2-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-18 11:03 ` Alan Cox
2011-03-18 11:03 ` Alan Cox
[not found] ` <20110318110348.728f6036-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-18 15:00 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 15:00 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481085881963-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-18 15:05 ` Arnd Bergmann
2011-03-18 15:05 ` Arnd Bergmann
2011-03-18 15:12 ` Alan Cox
2011-03-18 15:12 ` Alan Cox
[not found] ` <20110318151219.7aedc765-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-18 15:15 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 15:15 ` Waldemar.Rymarkiewicz
2011-03-18 11:49 ` Wolfram Sang
2011-03-18 11:49 ` Wolfram Sang
[not found] ` <20110318114931.GA2155-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2011-03-18 15:08 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 15:08 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B700111448108588196C-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-18 15:31 ` Mark Brown
2011-03-18 15:31 ` Mark Brown
2011-03-18 16:43 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 16:43 ` Waldemar.Rymarkiewicz
2011-03-18 12:19 ` Arnd Bergmann
2011-03-18 12:19 ` Arnd Bergmann
[not found] ` <201103181319.54191.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-18 12:51 ` Mark Brown
2011-03-18 12:51 ` Mark Brown
[not found] ` <20110318125150.GD27129-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2011-03-18 14:20 ` Arnd Bergmann
2011-03-18 14:20 ` Arnd Bergmann
2011-03-25 14:26 ` Samuel Ortiz
2011-03-29 8:00 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-29 8:00 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481085E2375D-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-29 11:05 ` Arnd Bergmann
2011-03-29 11:05 ` Arnd Bergmann
2011-03-29 11:59 ` Alan Cox
[not found] ` <20110329125931.21a69776-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-29 12:04 ` Arnd Bergmann
2011-03-29 12:04 ` Arnd Bergmann
[not found] ` <201103291404.39023.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-29 12:23 ` Alan Cox
2011-03-29 12:23 ` Alan Cox
[not found] ` <20110329132305.7aa065a1-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-29 13:22 ` Arnd Bergmann
2011-03-29 13:22 ` Arnd Bergmann
[not found] ` <201103291305.02293.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-31 14:16 ` Samuel Ortiz
2011-03-31 14:16 ` Samuel Ortiz
2011-03-31 14:42 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-31 14:42 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481085F0FE5A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-31 14:49 ` Arnd Bergmann
2011-03-31 14:49 ` Arnd Bergmann
2011-03-31 15:09 ` Samuel Ortiz
2011-03-31 15:09 ` Samuel Ortiz
2011-03-31 15:24 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-31 15:24 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481085F0FE7C-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-31 15:30 ` Samuel Ortiz
2011-03-31 15:30 ` Samuel Ortiz
2011-04-01 18:19 ` Aloisio Almeida
2011-04-01 18:19 ` Aloisio Almeida
[not found] ` <AANLkTikjTAFrhS7_P+KJ-r-33K6fW2+63OnLhjXE-u0k-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-04-01 19:43 ` Arnd Bergmann [this message]
2011-04-01 19:43 ` Arnd Bergmann
2011-06-06 20:22 ` Pavan Savoy
[not found] ` <BANLkTimsZeqvSWj+kKWLSmFOQc70KWodcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-06 20:30 ` Pavan Savoy
2011-06-06 20:30 ` Pavan Savoy
[not found] ` <BANLkTim9tyZXhLUxzHL2K-nWtujsJTB0fw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-06 20:46 ` Aloisio Almeida
2011-06-06 20:46 ` Aloisio Almeida
2011-06-06 20:50 ` Samuel Ortiz
2011-06-06 20:50 ` Samuel Ortiz
2011-03-18 15:50 ` Randy Dunlap
2011-03-18 15:50 ` Randy Dunlap
[not found] ` <20110318085033.9bea6dc9.rdunlap-/UHa2rfvQTnk1uMJSBkQmQ@public.gmane.org>
2011-03-18 15:57 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 15:57 ` Waldemar.Rymarkiewicz
-- strict thread matches above, loose matches on Subject: below --
2011-03-10 14:20 Waldemar Rymarkiewicz
2011-03-10 14:20 ` Waldemar Rymarkiewicz
[not found] ` <1299766808-2535-1-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-10 13:52 ` Arnd Bergmann
2011-03-10 13:52 ` Arnd Bergmann
[not found] ` <201103101452.54862.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-10 14:45 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-10 14:45 ` Waldemar.Rymarkiewicz
2011-03-10 16:20 ` Arnd Bergmann
[not found] ` <201103101720.53782.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 14:59 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-14 14:59 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481082FAE10A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-14 15:34 ` Arnd Bergmann
2011-03-14 15:34 ` Arnd Bergmann
[not found] ` <201103141634.10865.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 15:45 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-14 15:45 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481082FAE15A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-14 16:00 ` Arnd Bergmann
2011-03-14 16:00 ` Arnd Bergmann
[not found] ` <201103141700.26457.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 16:15 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-14 16:15 ` Waldemar.Rymarkiewicz
2011-03-14 17:01 ` Arnd Bergmann
2011-03-15 8:37 ` Waldemar.Rymarkiewicz
2011-03-15 8:37 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B7001114481082FAE39E-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-15 9:06 ` Arnd Bergmann
2011-03-15 9:06 ` Arnd Bergmann
2011-03-17 12:58 ` Waldemar.Rymarkiewicz
2011-03-17 12:58 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B70011144810830AB119-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-17 13:07 ` Arnd Bergmann
2011-03-17 13:07 ` Arnd Bergmann
[not found] ` <201103171407.58164.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-17 13:38 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-17 13:38 ` Waldemar.Rymarkiewicz
[not found] ` <99B09243E1A5DA4898CDD8B70011144810830AB18B-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-17 13:54 ` Arnd Bergmann
2011-03-17 13:54 ` Arnd Bergmann
[not found] ` <201103171454.42838.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-17 13:58 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-17 13:58 ` Waldemar.Rymarkiewicz
2011-03-15 10:01 ` Samuel Ortiz
[not found] ` <loom.20110315T104753-187-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2011-03-15 12:59 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
[not found] ` <99B09243E1A5DA4898CDD8B70011144810830AA4BD-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-15 14:16 ` Samuel Ortiz
2011-03-15 14:29 ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201104012143.23261.arnd@arndb.de \
--to=arnd-r2ngtmty4d4@public.gmane.org \
--cc=Sebastian.Chlad-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org \
--cc=Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org \
--cc=alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org \
--cc=aloisio.almeida-430g2QfJUUCGglJvpFV4uA@public.gmane.org \
--cc=hthebaud-Umy9UjvE/gtWk0Htik3J/w@public.gmane.org \
--cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=matti.j.aaltonen-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org \
--cc=sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.