Tuma Wang wrote:
> Aha, this is interesting. So, in other systems like Linux and BSD,
> what's the situation? How do SIOCADDMULTI and IP_ADD_MEMBERSHIP (and
> the other two socket options) work together?
In BSD one could (my knowledge is old ;-) issue SIOCADDMULTI to an
Ethernet device driver. It might be that when IP handles a
IP_ADD_MEMBERSHIP IP would send a SIOCADDMULTI ioctl to the interface -
I don't remember the details.
Thus at least part of SIOCADDMULTI is analogous to the DLPI add multi
capability in Solaris.
Erik
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