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[lwip-devel] [patch #8724] Add multicast support to loopif

From: Simon Goldschmidt
Subject: [lwip-devel] [patch #8724] Add multicast support to loopif
Date: Tue, 25 Aug 2015 05:19:29 +0000
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36

Follow-up Comment #3, patch #8724 (project lwip):

Sorry, I think I didn't make myself clear enough: I thought about sending
loopback traffic over the real netif (the wifi netif, in your case). This
currently fails when the real netif's link is down. I thought it might be
handy if loopback traffic would still work in that case.

Loopback traffic would then only fail if the netif was set down
(netif_set_down(), not netif_set_link_down()). I didn't get from your
implementation which of the two functions you call when you have not wifi


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