net/ieee802154/header_ops.c

18 	int pos = 0;
24 		memcpy(buf + pos, &addr->pan_id, 2);
25 		pos += 2;
30 		memcpy(buf + pos, &addr->short_addr, 2);
31 		pos += 2;
35 		memcpy(buf + pos, &addr->extended_addr, IEEE802154_ADDR_LEN);
36 		pos += IEEE802154_ADDR_LEN;
43 	return pos;
49 	int pos = 5;
56 		return pos;
62 		memcpy(buf + pos, &hdr->short_src, 4);
63 		pos += 4;
67 		memcpy(buf + pos, &hdr->extended_src, IEEE802154_ADDR_LEN);
68 		pos += IEEE802154_ADDR_LEN;
72 	buf[pos++] = hdr->key_id;
74 	return pos;
81 	int pos = 2;
85 	buf[pos++] = hdr->seq;
89 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->dest, false);
92 	pos += rc;
100 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->source, fc->intra_pan);
103 	pos += rc;
108 		rc = ieee802154_hdr_push_sechdr(buf + pos, &hdr->sec);
112 		pos += rc;
117 	memcpy(skb_push(skb, pos), buf, pos);
119 	return pos;
174 	int pos = 0;
182 		memcpy(&addr->pan_id, buf + pos, 2);
183 		pos += 2;
187 		memcpy(&addr->short_addr, buf + pos, 2);
188 		return pos + 2;
190 		memcpy(&addr->extended_addr, buf + pos, IEEE802154_ADDR_LEN);
191 		return pos + IEEE802154_ADDR_LEN;
210 	int pos = 5;
217 		return pos;
223 		memcpy(&hdr->short_src, buf + pos, 4);
224 		pos += 4;
228 		memcpy(&hdr->extended_src, buf + pos, IEEE802154_ADDR_LEN);
229 		pos += IEEE802154_ADDR_LEN;
233 	hdr->key_id = buf[pos++];
235 	return pos;
267 	int pos = 0;
269 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.dest_addr_mode,
271 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.source_addr_mode,
277 	return pos;
283 	int pos = 3, rc;
294 	pos += ieee802154_hdr_get_addrs(skb->data + pos, hdr);
297 		int want = pos + ieee802154_hdr_sechdr_len(skb->data[pos]);
302 		pos += ieee802154_hdr_get_sechdr(skb->data + pos, &hdr->sec);
305 	skb_pull(skb, pos);
306 	return pos;
327 	int pos = 3, rc;
338 	pos += ieee802154_hdr_get_addrs(buf + pos, hdr);
339 	return pos;
347 	int pos;
349 	pos = ieee802154_hdr_peek_addrs(skb, hdr);
350 	if (pos < 0)
354 		u8 key_id_mode = IEEE802154_SCF_KEY_ID_MODE(*(buf + pos));
355 		int want = pos + ieee802154_sechdr_lengths[key_id_mode];
360 		pos += ieee802154_hdr_get_sechdr(buf + pos, &hdr->sec);
363 	return pos;