Re: [lwip-users] Etharp drops packets for unlisted arp entries

[Masta Slader]

I am interessted in "urgend data" mechanism, which specify data that is more
important than other data in the stream.
It is also important for me to know, if all "MUST" IP-Options are included
in LWIP. I think there is no IP-Option included, but I am not sure!?!

Thanks!
Chris

----- Original Message ----- 
From: "K.J. Mansley" <address@hidden>
To: "Mailing list for lwIP users" <address@hidden>
Sent: Wednesday, July 07, 2004 4:49 PM
Subject: Re: [lwip-users] Etharp drops packets for unlisted arp entries


> On Wed, 2004-07-07 at 15:25, Masta Slader wrote:
> > Hi!
> >
> > Does LWIP implements IP Options (related to RFC 1122)?!? Is the "urgend
> > data" mechanism included in TCP in LWIP?
>
> I don't think so, but I'm not sure exactly what you're referring to.
> Some TCP options (such as MSS) are handled. Can you be more specific?
>
> The listed IP Options in RFC 1122 are as follows:
>
>                                                  |        | | | |S| |
>                                                  |        | | | |H| |F
>                                                  |        | | | |O|M|o
>                                                  |        | |S| |U|U|o
>                                                  |        | |H| |L|S|t
>                                                  |        |M|O| |D|T|n
>                                                  |        |U|U|M| | |o
>                                                  |        |S|L|A|N|N|t
>                                                  |        |T|D|Y|O|O|t
> FEATURE                                          |SECTION | | | |T|T|e
> -------------------------------------------------|--------|-|-|-|-|-|--
> IP Options                                       |        | | | | | |
>   Ignore options TCP doesn't understand          |4.2.3.8 |x| | | | |
>   Time Stamp support                             |4.2.3.8 | | |x| | |
>   Record Route support                           |4.2.3.8 | | |x| | |
>   Source Route:                                  |        | | | | | |
>     ALP can specify                              |4.2.3.8 |x| | | | |1
>       Overrides src rt in datagram               |4.2.3.8 |x| | | | |
>     Build return route from src rt               |4.2.3.8 |x| | | | |
>     Later src route overrides                    |4.2.3.8 | |x| | | |
>
>
> Thanks
>
> Kieran
>
>
>
>
>
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