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[lwip-devel] [patch #6370] Sending to myself

From: Simon Goldschmidt
Subject: [lwip-devel] [patch #6370] Sending to myself
Date: Mon, 16 Jun 2008 15:26:51 +0000
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; de; rv: Gecko/20071025 Firefox/

Update of patch #6370 (project lwip):

                  Status:          Ready For Test => In Progress            


Follow-up Comment #20:

What you say is true of course. But now that we know exactly where
netif_loop_output() is called (only from ip.c), I think we can safely call
ip_input() from netif_poll().

Only netif_loop_output() may NOT call ip_input directly as this would lead to
re-entering the tcp code (which is not supported and the reason the
LOOPIF_MULTITHREADING setting was originally introduced). Since tcpip_input()
cannot be used (it would call netif->input()), I think we have to use
tcpip_callback somehow. I'll think about it.

Anyway, thanks for the feedback!


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