----- Original Message -----
Sent: Tuesday, August 29, 2006 9:52
AM
Subject: [lwip-users] "minimal" on
unix
Hi All,
I am working on Linux and have just started learning about
lwIP functionality. So, studying the example
..../contrib/ports/unix/proj/minimal
There seem to be 2 different types
of implementation examples provided.
1) using echo.c
In this tcp_new(), tcp_bind(), and tcp_accept() are used.
I am really confused about working of this
implementation. tcp_accept() has specified echo_accept() as a callback
function for all packets received over the network interface. But
echo_accept() never seems to be called when I ping the IP address.
Could somebody please give me some pointers about what is happening here
and whether I am doing something wrong?
2) using mintapif.c
This works perfectly fine
for replying to ping.
I have the following doubts:
1) Does lwIP
communicate directly over the Ethernet "eth0"? or the "tap" driver is
always required?
2) Is it mandatory for all applications to write code for
low_level_init(), low_level_input(), and low_level_output() ?
Thanks
and Regards,
Yadnesh Phadke
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