Difference between IP_IP_ADD_MEMBERSHIP and MCAST_JOIN_GROUP

[Pietro Paolini]

Many thanks, I understood !

Pietro Paolini.


-----Original Message-----
From: Bjørn Mork [mailto:bjorn at mork.no] 
Sent: lunedì 1 ottobre 2012 12:54
To: Pietro Paolini
Cc: kernelnewbies at kernelnewbies.org
Subject: Re: Difference between IP_IP_ADD_MEMBERSHIP and MCAST_JOIN_GROUP

I assume you meant IP_ADD_MEMBERSHIP?

IP_ADD_MEMBERSHIP is IPv4 only.  MCAST_JOIN_GROUP is protocol independent.  This may be clearer if you look at include/linux/in6.h 


Bjørn