On 4/2/2014 4:11 PM, Eric Blake wrote:
On 04/02/2014 01:40 PM, Brian Rak wrote:
Currently, adding any sort of IPv6 nwfilter rules is rather difficult. There are no standard rules, Also worth an example of what this will contain (such as fe80::5254:00ff:fe1a:0a6d). + parsedMac.addr[0] ^= 2; Oh, and forgot to mention, should this be |= instead of ^=, since by default, libvirt assigns MAC addresses with bit 2 already set? My understanding is that bit 2 is the locally-administered bit, and that
On 04/02/2014 01:56 PM, Eric Blake wrote: the V6LOCAL address always wants it set (^= only works if the MAC address is not also locally administered, but libvirt's generated MAC addresses of 52:54:00:xx:yy:zz fall foul of that)
For link-local addresses, you want to invert the bit, not ensure that it's always set. This matches what linux is doing doing: http://lxr.free-electrons.com/source/net/ipv6/addrconf.c#L1724