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

[Simon Goldschmidt]

Update of patch #6370 (project lwip):

                  Status:          Ready For Test => In Progress            

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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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