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Problems with TCP/IP networking
- From: "Svend Meyland Nicolaisen" <ecos at smn dot dk>
- To: <ecos-discuss at ecos dot sourceware dot org>
- Date: Tue, 21 Nov 2006 01:55:39 +0100
- Subject: [ECOS] Problems with TCP/IP networking
Hi
I am having a hard time trying to get TCP/IP networking to work. I am using
the FreeBSD stack with SMSC LAN91CXX driver on a PhyCore LPC2294 target. I
have been doing quite a bit of debugging to find out why it doesn't work and
have found something that I find really odd:
It seems to me that Ethernet packages are queued without the Ethernet header
in the function ether_demux in if_ethersubr.c. On the other hand it seems to
me the code are expecting the Ethernet header to be present when the same
package are dequeued in the function in ip_input.c. How can this be?
Broadcast messages sent through the loop back interface seems be queued and
dequeued with the Ethernet header as expected.
-
Svend
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