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[lwip-devel] [patch #6723] Add option UDP_EXT_RECV_CALLBACK to enable ne

From: Jakob Stoklund Olesen
Subject: [lwip-devel] [patch #6723] Add option UDP_EXT_RECV_CALLBACK to enable new API function udp_ext_recv()
Date: Sun, 03 May 2009 06:27:47 +0000
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_6; en-us) AppleWebKit/528.16 (KHTML, like Gecko) Version/4.0 Safari/528.16

Follow-up Comment #2, patch #6723 (project lwip):

How about doing this at the IP level? Then raw PCBs can also benefit.

const struct ip_hdr *ip_current_header();
struct netif *ip_current_netif();

These functions should return NULL when ip_input is not on the call stack.

This would be good enough for my needs.

Note: If this functionality is available unconditionally, it is possible to
remove the DHCP-specific code from udp.c.


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