Re: [lwip-users] icmp6

[Amena El Homsi]

Yes thanks a lot

Sent from my iPhone

> On Aug 14, 2018, at 8:27 PM, address@hidden wrote:
> 
> Hi Amena,
> 
> I don't remember the exact details for the copy, but it may have been related 
> to:
> 
> - the input/output pbufs are sometimes allocated from different sources
> - it's possible the output pbuf needs to be buffered (e.g. if neighbor 
> discovery is required before the response)
> - I believe there could be different IPv6 option headers in req and resp and 
> bring alignment issues
> 
> I know I tested no-copy at the time it was developed and run into some 
> problem. Hope this gives you a hint if you're investigating.
> 
> Regards,
> Ivan
> 
> 
>> On 2018-08-14 10:00, address@hidden wrote:
>> Send lwip-users mailing list submissions to
>>    address@hidden
>> To subscribe or unsubscribe via the World Wide Web, visit
>>    https://lists.nongnu.org/mailman/listinfo/lwip-users
>> or, via email, send a message with subject or body 'help' to
>>    address@hidden
>> You can reach the person managing the list at
>>    address@hidden
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of lwip-users digest..."
>> Today's Topics:
>>   1. icmp6 (Amena El Homsi)
>>   2. Re: icmp6 (address@hidden)
>>   3. Re: LwIP RAW + Zynq - Unresponsive Tx path when Rx is active
>>      (Nenad Pekez)
>>   4. Re: icmp6 (Amena El Homsi)
>> ----------------------------------------------------------------------
>> Date: Tue, 14 Aug 2018 15:49:57 +0300
>> From: Amena El Homsi <address@hidden>
>> To: Mailing list for lwIP users <address@hidden>
>> Subject: [lwip-users] icmp6
>> Message-ID:
>>    <address@hidden>
>> Content-Type: text/plain; charset="utf-8"
>> Hi,
>> When we receive an echo request using IPv6, LwIP copies the request to new
>> pbuf to send the reply.
>> Why LwIP doesn't use the echo request pbuf, instead of allocating a new one
>> (as what LwIP does when replying to IPv4 echo requests)?
>> Thanks in advance.
>> --
>> Amena El-Homsi
>> Computer & Communication Engineer
>> Dipl. Eng,  M.S.
> 
> _______________________________________________
> lwip-users mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/lwip-users