96 	struct ieee80211_radiotap_iterator *iterator,  in ieee80211_radiotap_iterator_init()  argument
112 	iterator->_rtheader = radiotap_header;  in ieee80211_radiotap_iterator_init()
113 	iterator->_max_length = get_unaligned_le16(&radiotap_header->it_len);  in ieee80211_radiotap_iterator_init()
114 	iterator->_arg_index = 0;  in ieee80211_radiotap_iterator_init()
115 	iterator->_bitmap_shifter = get_unaligned_le32(&radiotap_header->it_present);  in ieee80211_radiotap_iterator_init()
116 	iterator->_arg = (uint8_t *)radiotap_header + sizeof(*radiotap_header);  in ieee80211_radiotap_iterator_init()
117 	iterator->_reset_on_ext = 0;  in ieee80211_radiotap_iterator_init()
118 	iterator->_next_bitmap = &radiotap_header->it_present;  in ieee80211_radiotap_iterator_init()
119 	iterator->_next_bitmap++;  in ieee80211_radiotap_iterator_init()
120 	iterator->_vns = vns;  in ieee80211_radiotap_iterator_init()
121 	iterator->current_namespace = &radiotap_ns;  in ieee80211_radiotap_iterator_init()
122 	iterator->is_radiotap_ns = 1;  in ieee80211_radiotap_iterator_init()
126 	if (iterator->_bitmap_shifter & (1<<IEEE80211_RADIOTAP_EXT)) {  in ieee80211_radiotap_iterator_init()
127 		if ((unsigned long)iterator->_arg -  in ieee80211_radiotap_iterator_init()
128 		    (unsigned long)iterator->_rtheader + sizeof(uint32_t) >  in ieee80211_radiotap_iterator_init()
129 		    (unsigned long)iterator->_max_length)  in ieee80211_radiotap_iterator_init()
131 		while (get_unaligned_le32(iterator->_arg) &  in ieee80211_radiotap_iterator_init()
133 			iterator->_arg += sizeof(uint32_t);  in ieee80211_radiotap_iterator_init()
141 			if ((unsigned long)iterator->_arg -  in ieee80211_radiotap_iterator_init()
142 			    (unsigned long)iterator->_rtheader +  in ieee80211_radiotap_iterator_init()
144 			    (unsigned long)iterator->_max_length)  in ieee80211_radiotap_iterator_init()
148 		iterator->_arg += sizeof(uint32_t);  in ieee80211_radiotap_iterator_init()
157 	iterator->this_arg = iterator->_arg;  in ieee80211_radiotap_iterator_init()
165 static void find_ns(struct ieee80211_radiotap_iterator *iterator,  in find_ns()  argument
170 	iterator->current_namespace = NULL;  in find_ns()
172 	if (!iterator->_vns)  in find_ns()
175 	for (i = 0; i < iterator->_vns->n_ns; i++) {  in find_ns()
176 		if (iterator->_vns->ns[i].oui != oui)  in find_ns()
178 		if (iterator->_vns->ns[i].subns != subns)  in find_ns()
181 		iterator->current_namespace = &iterator->_vns->ns[i];  in find_ns()
212 	struct ieee80211_radiotap_iterator *iterator)  in ieee80211_radiotap_iterator_next()  argument
220 		if ((iterator->_arg_index % 32) == IEEE80211_RADIOTAP_EXT &&  in ieee80211_radiotap_iterator_next()
221 		    !(iterator->_bitmap_shifter & 1))  in ieee80211_radiotap_iterator_next()
224 		if (!(iterator->_bitmap_shifter & 1))  in ieee80211_radiotap_iterator_next()
228 		switch (iterator->_arg_index % 32) {  in ieee80211_radiotap_iterator_next()
239 			if (!iterator->current_namespace ||  in ieee80211_radiotap_iterator_next()
240 			    iterator->_arg_index >= iterator->current_namespace->n_bits) {  in ieee80211_radiotap_iterator_next()
241 				if (iterator->current_namespace == &radiotap_ns)  in ieee80211_radiotap_iterator_next()
245 				align = iterator->current_namespace->align_size[iterator->_arg_index].align;  in ieee80211_radiotap_iterator_next()
246 				size = iterator->current_namespace->align_size[iterator->_arg_index].size;  in ieee80211_radiotap_iterator_next()
250 				iterator->_arg = iterator->_next_ns_data;  in ieee80211_radiotap_iterator_next()
252 				iterator->current_namespace = NULL;  in ieee80211_radiotap_iterator_next()
270 		pad = ((unsigned long)iterator->_arg -  in ieee80211_radiotap_iterator_next()
271 		       (unsigned long)iterator->_rtheader) & (align - 1);  in ieee80211_radiotap_iterator_next()
274 			iterator->_arg += align - pad;  in ieee80211_radiotap_iterator_next()
276 		if (iterator->_arg_index % 32 == IEEE80211_RADIOTAP_VENDOR_NAMESPACE) {  in ieee80211_radiotap_iterator_next()
279 			if ((unsigned long)iterator->_arg + size -  in ieee80211_radiotap_iterator_next()
280 			    (unsigned long)iterator->_rtheader >  in ieee80211_radiotap_iterator_next()
281 			    (unsigned long)iterator->_max_length)  in ieee80211_radiotap_iterator_next()
284 			oui = (*iterator->_arg << 16) |  in ieee80211_radiotap_iterator_next()
285 				(*(iterator->_arg + 1) << 8) |  in ieee80211_radiotap_iterator_next()
286 				*(iterator->_arg + 2);  in ieee80211_radiotap_iterator_next()
287 			subns = *(iterator->_arg + 3);  in ieee80211_radiotap_iterator_next()
289 			find_ns(iterator, oui, subns);  in ieee80211_radiotap_iterator_next()
291 			vnslen = get_unaligned_le16(iterator->_arg + 4);  in ieee80211_radiotap_iterator_next()
292 			iterator->_next_ns_data = iterator->_arg + size + vnslen;  in ieee80211_radiotap_iterator_next()
293 			if (!iterator->current_namespace)  in ieee80211_radiotap_iterator_next()
301 		iterator->this_arg_index = iterator->_arg_index;  in ieee80211_radiotap_iterator_next()
302 		iterator->this_arg = iterator->_arg;  in ieee80211_radiotap_iterator_next()
303 		iterator->this_arg_size = size;  in ieee80211_radiotap_iterator_next()
306 		iterator->_arg += size;  in ieee80211_radiotap_iterator_next()
315 		if ((unsigned long)iterator->_arg -  in ieee80211_radiotap_iterator_next()
316 		    (unsigned long)iterator->_rtheader >  in ieee80211_radiotap_iterator_next()
317 		    (unsigned long)iterator->_max_length)  in ieee80211_radiotap_iterator_next()
321 		switch (iterator->_arg_index % 32) {  in ieee80211_radiotap_iterator_next()
323 			iterator->_reset_on_ext = 1;  in ieee80211_radiotap_iterator_next()
325 			iterator->is_radiotap_ns = 0;  in ieee80211_radiotap_iterator_next()
332 			iterator->this_arg_index =  in ieee80211_radiotap_iterator_next()
334 			if (!iterator->current_namespace)  in ieee80211_radiotap_iterator_next()
338 			iterator->_reset_on_ext = 1;  in ieee80211_radiotap_iterator_next()
339 			iterator->current_namespace = &radiotap_ns;  in ieee80211_radiotap_iterator_next()
340 			iterator->is_radiotap_ns = 1;  in ieee80211_radiotap_iterator_next()
347 			iterator->_bitmap_shifter =  in ieee80211_radiotap_iterator_next()
348 				get_unaligned_le32(iterator->_next_bitmap);  in ieee80211_radiotap_iterator_next()
349 			iterator->_next_bitmap++;  in ieee80211_radiotap_iterator_next()
350 			if (iterator->_reset_on_ext)  in ieee80211_radiotap_iterator_next()
351 				iterator->_arg_index = 0;  in ieee80211_radiotap_iterator_next()
353 				iterator->_arg_index++;  in ieee80211_radiotap_iterator_next()
354 			iterator->_reset_on_ext = 0;  in ieee80211_radiotap_iterator_next()
360 			iterator->_bitmap_shifter >>= 1;  in ieee80211_radiotap_iterator_next()
361 			iterator->_arg_index++;  in ieee80211_radiotap_iterator_next()