230  * Get a scope of the address. Node-local, link-local, site-local or global.
314  * Validate the specified scope zone ID in the sin6_scope_id field.  If the ID
317  * This routine then generates the kernel-internal form: if the address scope
336 		 * link-local scope IDs, and use interface indices as the  in sa6_embedscope()
383 				    "%s: embedded scope mismatch: %s%%%d. "  in sa6_recoverscope()
397  * Determine the appropriate scope zone ID for in6 and ifp.  If ret_id is
406 	int scope;  in in6_setscope()  local
418 		scope = in6_addrscope(in6);  in in6_setscope()
419 		if (scope == IPV6_ADDR_SCOPE_INTFACELOCAL ||  in in6_setscope()
420 		    scope == IPV6_ADDR_SCOPE_LINKLOCAL) {  in in6_setscope()
428 		} else if (scope != IPV6_ADDR_SCOPE_GLOBAL) {  in in6_setscope()
437 			zoneid = sid->s6id_list[scope];  in in6_setscope()
449  * Just clear the embedded scope identifier.  Return 0 if the original address
467  * Return the scope identifier or zero.
480  * Returns scope zone id for the unicast address @in6.
503  * link-local scope.
513  * Return zone id for the specified scope.
516 in6_getscopezone(const struct ifnet *ifp, int scope)  in in6_getscopezone()  argument
519 	if (scope == IPV6_ADDR_SCOPE_INTFACELOCAL ||  in in6_getscopezone()
520 	    scope == IPV6_ADDR_SCOPE_LINKLOCAL)  in in6_getscopezone()
522 	if (scope >= 0 && scope < IPV6_ADDR_SCOPES_COUNT)  in in6_getscopezone()
523 		return (SID(ifp)->s6id_list[scope]);  in in6_getscopezone()
528  * Extracts scope from address @dst, stores cleared address
556 	int scope;  in sa6_checkzone()  local
558 	scope = in6_addrscope(&sa6->sin6_addr);  in sa6_checkzone()
559 	if (scope == IPV6_ADDR_SCOPE_GLOBAL)  in sa6_checkzone()
562 	    scope != IPV6_ADDR_SCOPE_LINKLOCAL &&  in sa6_checkzone()
563 	    scope != IPV6_ADDR_SCOPE_INTFACELOCAL) {  in sa6_checkzone()
565 			sa6->sin6_scope_id = V_sid_default.s6id_list[scope];  in sa6_checkzone()
576 			sa6->sin6_scope_id = in6_getscopezone(V_loif, scope);  in sa6_checkzone()
577 		else if (sa6->sin6_scope_id != in6_getscopezone(V_loif, scope))  in sa6_checkzone()
584 		sa6->sin6_scope_id = V_sid_default.s6id_list[scope];  in sa6_checkzone()
596 	int scope;  in sa6_checkzone_ifp()  local
598 	scope = in6_addrscope(&sa6->sin6_addr);  in sa6_checkzone_ifp()
599 	if (scope == IPV6_ADDR_SCOPE_LINKLOCAL ||  in sa6_checkzone_ifp()
600 	    scope == IPV6_ADDR_SCOPE_INTFACELOCAL) {  in sa6_checkzone_ifp()
602 			sa6->sin6_scope_id = in6_getscopezone(ifp, scope);  in sa6_checkzone_ifp()
604 		} else if (sa6->sin6_scope_id != in6_getscopezone(ifp, scope))  in sa6_checkzone_ifp()