Re: RE [lwip-users] : PPP

[ramash]

For your information we are using lwip 0.6.3
also i could see 1.2.0 is the version available now...
but in that i couldn't see the macros u have mentioned.
PPPOE_SUPPORT=0
PPPOS_SUPPORT=1
and pppOverSerialOpen 

Correct me if i am wrong

It will be more useful if u refer how to get this source code
meaning CVS checkout through Windows.Also for CVS checkout you have
mentioned 
http://lwip.scribblewiki.com/LwIP_Main_Page  this site is having unix/linux
related files.I am new to Linux kindly refer this for Windows.

Regards 
ramash





Frédéric BERNON wrote:
> 
>>Thanks for your reply,we are able to send udp packets but unable to get
the value for sockets and how to pass the socket value inside the udp_send
to function. 
> 
> Be careful, if you use sockets API layer, you don't have to use the socket
> value for udp_send (the raw API layer). You should use
> lwip_send/lwip_sendto (or send/sendto).
> 
>>how to use socket to get a valid return value,since the return value is
zero for opening socket 
> 
> But 0 is a valid value for lwip_socket/socket!!! (>=0) 
> 
>>kindly suggest a option to get a valid return value for socket with out
using eternet (using only serial port)
> 
> You don't have answer to these questions: "...To be sure to understand, do
> you use the ppp stack provided with lwIP sources, or your own one? What
> lwIP release do you use?...".
> 
> If you use the CVS head, you could set in your lwipopts.h:
> PPP_SUPPORT=1
> PPPOE_SUPPORT=0
> PPPOS_SUPPORT=1
> 
> It SHOULD work (but since I don't use PPP, I can't confirm you). Note that
> previous pppOpen call is now replace by pppOverSerialOpen (sample in unix
> port is broken).
> 
>   
> ====================================
> Frédéric BERNON 
> HYMATOM SA 
> Chef de projet informatique 
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> 
> -----Message d'origine-----
> De : address@hidden
> [mailto:address@hidden De la
> part de ramash
> Envoyé : mardi 6 novembre 2007 13:21
> À : address@hidden
> Objet : Re: [lwip-users] PPP
> 
> 
> 
> Thanks for your reply,we are able to send udp packets but unable to get
> the value for sockets and how to pass the socket value inside the udp_send
> to function. 
> 
> 1. how to use socket to get a valid return value,since the return value is
> zero for opening socket.kindly suggest a option to get a valid return
> value for socket with out using eternet (using only serial port)
> 
> regards 
> ramash
> 
> 
> 
> Frédéric BERNON-2 wrote:
>> 
>>> Dear All,
>>>    Our project team is trying to send data using point to point
>>> protocol,We
>>> are using PPP 2.4 version with LWIP.We are able to establish a PPP link 
>>> and
>>> got IP address from ISP using our own drivers.After this we have the
>>> following issues.
>> 
>> To be sure to understand, do you use the ppp stack provided with lwIP
>> sources, or your own one? What lwIP release do you use?
>> 
>>> 1.We are unable to pass the  IP packets ,since there are more files 
>>> such
>>> as
>>> tcp.c,ip.c,tcpip.c,udp.c..etc.Through which file we have to send data
>>> that
>>> is IP packets.
>> 
>> I will suppose you have implement your own PPP. So, if you use sockets 
>> API, you should send them to the tcpip_input function (sockets API and 
>> netconn API use the same entry point)
>> 
>>> 2.We decided to use sockets to send packets,but it does not returns a
>>> socket
>>> id like  windows socket API.
>> 
>> lwip_socket/socket return an "int", this one is valid is it's >=0. 
>> Windows
>> socket API return a SOCKET type, which is also an "int"
>> 
>>> 3.we are confused to decide a code flow   to send tcp/ip packets. also
>>> in 
>>> a
>>> file called ip.c the function  ip_init is empty but defined, a comment
>>> is
>>> mentioned inside the function   "/* no initializations as of yet */".
>>>
>>> kindly reply us to find a correct path.
>> 
>> The CVS head is now more simple for init. The best if you know Windows 
>> is to look the lwip/contrib/ports/msvc6 port which is updated for 
>> initialization parts.
>> Once initialized, you can use sockets API like on any systems.
>> 
>> You can also found some informations on :
>> 
>> http://lwip.scribblewiki.com/LwIP_Main_Page
>> 
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