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Date: Wed, 20 Mar 2024 23:35:05 +0100
From: Francesco Valla <valla.francesco@...il.com>
To: Simon Horman <horms@...nel.org>
Cc: Oliver Hartkopp <socketcan@...tkopp.net>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	fabio@...aril.me, linux-can@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] Documentation: networking: document CAN ISO-TP


Hi Simon,

On Tue, Mar 19, 2024 at 12:06:25PM +0000, Simon Horman wrote:
> On Wed, Mar 13, 2024 at 11:34:31PM +0100, Francesco Valla wrote:
> > Document basic concepts, APIs and behaviour of the CAN ISO-TP (ISO
> > 15765-2) stack.
> > 
> > Signed-off-by: Francesco Valla <valla.francesco@...il.com>
> 
> Hi Francesco,
> 
> As it looks like there will be a v2 of this patchset
> please consider running checkpatch.pl --codespell
> and addressing the warnings it reports.
> 

Will do before v2, thanks for the suggestion.

> ...
> 
> > +Transport protocol and associated frame types
> > +---------------------------------------------
> > +
> > +When transmitting data using the ISO-TP protocol, the payload can either fit
> > +inside one single CAN message or not, also considering the overhead the protocol
> > +is generating and the optional extended addressing. In the first case, the data
> > +is transmitted at once using a so-called Single Frame (SF). In the second case,
> > +ISO-TP defines a multi-frame protocol, in which the sender asks (through a First
> > +Frame - FF) to the receiver the maximum supported size of a macro data block
> > +(``blocksize``) and the minimum time time between the single CAN messages
> > +composing such block (``stmin``). Once these informations have been received,
> 
> nit: Once this information has

I never grasped the usage of "information" in English, which is not my
first language. I'll make this correction here.

> 
> > +the sender starts to send frames containing fragments of the data payload
> > +(called Consecutive Frames - CF), stopping after every ``blocksize``-sized block
> > +to wait confirmation from the receiver (which should then send a Flow Control
> > +frame - FC - to inform the sender about its availability to receive more data).
> > +
> 
> ...

Thanks for the review!

Regards,
Francesco


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