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Groups > comp.arch.embedded > #24934

Re: SMB/CIFS for uTasker/Coldfire?

From Randy Yates <yates@digitalsignallabs.com>
Newsgroups comp.arch.embedded
Subject Re: SMB/CIFS for uTasker/Coldfire?
Organization Digital Signal Labs
References (1 earlier) <87inu865j1.fsf@digitalsignallabs.com> <nqp1f9$j4f$1@dont-email.me> <nqp5kh$2q8$1@dont-email.me> <87d1kf3zvs.fsf@digitalsignallabs.com> <nqr202$vpr$1@dont-email.me>
Date 2016-09-08 12:08 -0400
Message-ID <87oa3y2x3j.fsf@digitalsignallabs.com> (permalink)

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Tauno Voipio <tauno.voipio@notused.fi.invalid> writes:

> On 8.9.16 05:10, Randy Yates wrote:
>
>>
>> Thanks David and Dimiter. TFTP does sound like a great solution and is
>> probably the way I'll go. There was a miscommunication in the
>> requirements and I thought we HAD to implement a SMB/CIFS client.
>> Apparently that is not the case.
>
> Please be warned: TFTP changes the server UDP port after the first
> datagram exchange. Some firewalls are not smart enough to follow
> the change, and this may create a broken transfer. If you update
> the first block of the transferred file before the change, you may
> end with a bricked target. I recommend saving the first block until
> the second one arrives (from the changed port), and touch the local
> storage only after that.
>
> Been there - done that.
>
> This does not mean that TFTP is not good for the simple file update
> task. It was developed for networked booting with very limited
> resources, and it is the best standard protocol for the limited
> situation. IMHO, it is aeons better than a SMB/CIFS solution.

Thanks for these helpful, very detailed, low-level pointers, Tauno. I am
just proposing this solution at this point, not implementing it. I will
definitely use the information you provided as a reference if I am
tasked with the implementation.
-- 
Randy Yates, DSP/Embedded Firmware Developer
Digital Signal Labs
http://www.digitalsignallabs.com

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Thread

SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-06 12:18 -0400
  Re: SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-06 18:13 -0400
    Re: SMB/CIFS for uTasker/Coldfire? Dimiter_Popoff <dp@tgi-sci.com> - 2016-09-07 01:58 +0300
    Re: SMB/CIFS for uTasker/Coldfire? David Brown <david.brown@hesbynett.no> - 2016-09-07 14:33 +0200
      Re: SMB/CIFS for uTasker/Coldfire? Dimiter_Popoff <dp@tgi-sci.com> - 2016-09-07 16:44 +0300
        Re: SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-07 22:10 -0400
          Re: SMB/CIFS for uTasker/Coldfire? David Brown <david.brown@hesbynett.no> - 2016-09-08 08:54 +0200
            Re: SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-08 12:10 -0400
          Re: SMB/CIFS for uTasker/Coldfire? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-09-08 09:54 +0300
            Re: SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-08 12:08 -0400
          Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-08 01:08 -0700
            Re: SMB/CIFS for uTasker/Coldfire? Randy Yates <yates@digitalsignallabs.com> - 2016-09-08 11:59 -0400
              Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-08 10:02 -0700
              Re: SMB/CIFS for uTasker/Coldfire? George Neuner <gneuner2@comcast.net> - 2016-09-08 13:23 -0400
                Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-08 14:28 -0700
                Re: SMB/CIFS for uTasker/Coldfire? David Brown <david.brown@hesbynett.no> - 2016-09-09 09:03 +0200
                Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-09 01:05 -0700
                Re: SMB/CIFS for uTasker/Coldfire? David Brown <david.brown@hesbynett.no> - 2016-09-09 12:20 +0200
                Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-09 04:05 -0700
                Re: SMB/CIFS for uTasker/Coldfire? David Brown <david.brown@hesbynett.no> - 2016-09-09 14:01 +0200
                Re: SMB/CIFS for uTasker/Coldfire? Don Y <blockedofcourse@foo.invalid> - 2016-09-09 10:18 -0700
                Re: SMB/CIFS for uTasker/Coldfire? "mjbcswitzerland" <62911@EmbeddedRelated> - 2016-10-03 06:23 -0500
                Re: SMB/CIFS for uTasker/Coldfire? upsidedown@downunder.com - 2016-09-09 12:39 +0300

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