Re: IFA_F_OPTIMISTIC is not supported?

2017-09-08, 10:29:03 -0400, soohoon.lee@f5.com wrote:

rtm_newaddr masks off OPTIMISTIC.

inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
...
        /* We ignore other flags so far. */
        ifa_flags &= IFA_F_NODAD | IFA_F_HOMEADDRESS | IFA_F_MANAGETEMPADDR |
                     IFA_F_NOPREFIXROUTE;

Is there any problem or not allowed?

I was planning to submit a patch to allow that soon (when net-next
reopens). While testing, I've found you need a few other small changes
once you allow userspace to set the optimistic flag on addresses.


Thanks,

-- 
Sabrina