lwip 1.3.1 testing

[Simon Kallweit <simon.kallweit@intefo.ch>]

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Hi

I have done a new lwip test release with the following changes:

* incorporated Sergei's patch (ctrl-c support)
* added an lwip_eth_simple and lwip_eth_sequential template

The new test release can be downloaded from 
http://download.westlicht.ch/lwip-20090825.tar.gz

To do synth tests do the following:

create a new configuration:
 > ecosconfig new linux lwip_eth_simple
or:
 > ecosconfig new linux lwip_eth_sequential

enable eth0 synth device (file is attached):
 > ecosconfig import eth_synth.ecm

build:
 > make
 > make -C build/net/lwip_tcpip/current tests

run tests (a sample target.tdf is attached):
./build/install/tests/net/lwip_tcpip/current/tests/httpd_simple -t 
target.tdf -io -nw

The current templates use DHCP to get an IP address. Just reconfigure 
for static IPs.

To do some stress testing you can run the nc_test_slave testcase (only 
available in sequential mode). You will need the corresponding master 
test, which can be found in the ecos repository under

packages/net/common/current/tests

To build the nc_test_master go to the upper directory and type:
 > make -f make.host

Also you should loosen up the very conservative default configuration of 
lwip pbufs to avoid dropped packets:

 > ecosconfig import pbufs.ecm
 > make && make -C build/net/lwip_tcpip/current tests



Testing on real hardware would be especially useful. Also testing on 
big-endian targets might reveal some issues, as I've only been testing 
on little-endian platforms.

Thanks a lot for testing!

Simon

[-- Attachment #2: eth_synth.ecm --]
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cdl_option CYGVAR_DEVS_ETH_ECOSYNTH_ETH0 {
    user_value 1
};

[-- Attachment #3: target.tdf --]
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synth_device ethernet {

    eth0 real eth1
    logging 0

}

[-- Attachment #4: pbufs.ecm --]
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cdl_option CYGNUM_LWIP_TCP_MSS {
    user_value 512
};

cdl_option CYGNUM_LWIP_PBUF_POOL_SIZE {
    user_value 64
};