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Re: [lwip-users] Multicast MAC address filtering

From: Ivan Warren
Subject: Re: [lwip-users] Multicast MAC address filtering
Date: Tue, 22 Jan 2019 21:34:52 +0100
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

Le 1/22/2019 à 8:13 PM, address@hidden a écrit :

Struct netif has the 2 callback functions for this: 'igmp_mac_filter' and 'mld_mac_filter'. These two take IP addreses (each in their matching version), but since the mapping is defined, that should work for you?

You should use 'netif_set_igmp_mac_filter()' and 'netif_set_mld_mac_filter()' to set these callbacks.

For IPv6, note that the 'mld_mac_filter' callback is not called for the all-nodes group (if I remember correctly).


Exactly what I was looking for !

I'll look in the documentation (or in the source if needed) as to how to implement those callbacks !

Thanks for the hint !


(Sorry for the double message Simon)

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