bc4a1ace90
- Deprecate IN6_IFF_NODAD. It was used to prevent DAD on a loopback interface but in6if_do_dad() already had a check for IFF_LOOPBACK. - Remove in6if_do_dad() check in in6_broadcast_ifa(). An address which needs DAD always has IN6_IFF_TENTATIVE there. - in6if_do_dad() now returns EAGAIN when the interface is not ready since DAD callout handler ignores such an interface. - In DAD callout handler, mark an address as IN6_IFF_TENTATIVE when the interface has ND6_IFF_IFDISABLED. And Do IFF_UP and IFF_DRV_RUNNING check consistently when DAD is required. - draft-ietf-6man-enhanced-dad is now published as RFC 7527. - Fix some typos.