55 ieee802154_hdr_push_sechdr(u8 *buf, const struct ieee802154_sechdr *hdr)  in ieee802154_hdr_push_sechdr()  argument
59 	memcpy(buf, hdr, 1);  in ieee802154_hdr_push_sechdr()
60 	memcpy(buf + 1, &hdr->frame_counter, 4);  in ieee802154_hdr_push_sechdr()
62 	switch (hdr->key_id_mode) {  in ieee802154_hdr_push_sechdr()
70 		memcpy(buf + pos, &hdr->short_src, 4);  in ieee802154_hdr_push_sechdr()
75 		memcpy(buf + pos, &hdr->extended_src, IEEE802154_ADDR_LEN);  in ieee802154_hdr_push_sechdr()
80 	buf[pos++] = hdr->key_id;  in ieee802154_hdr_push_sechdr()
86 ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_push()  argument
91 	struct ieee802154_hdr_fc *fc = &hdr->fc;  in ieee802154_hdr_push()
93 	buf[pos++] = hdr->seq;  in ieee802154_hdr_push()
95 	fc->dest_addr_mode = hdr->dest.mode;  in ieee802154_hdr_push()
97 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->dest, false);  in ieee802154_hdr_push()
102 	fc->source_addr_mode = hdr->source.mode;  in ieee802154_hdr_push()
104 	if (hdr->source.pan_id == hdr->dest.pan_id &&  in ieee802154_hdr_push()
105 	    hdr->dest.mode != IEEE802154_ADDR_NONE)  in ieee802154_hdr_push()
108 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->source, fc->intra_pan);  in ieee802154_hdr_push()
116 		rc = ieee802154_hdr_push_sechdr(buf + pos, &hdr->sec);  in ieee802154_hdr_push()
169 ieee802154_hdr_get_sechdr(const u8 *buf, struct ieee802154_sechdr *hdr)  in ieee802154_hdr_get_sechdr()  argument
173 	memcpy(hdr, buf, 1);  in ieee802154_hdr_get_sechdr()
174 	memcpy(&hdr->frame_counter, buf + 1, 4);  in ieee802154_hdr_get_sechdr()
176 	switch (hdr->key_id_mode) {  in ieee802154_hdr_get_sechdr()
184 		memcpy(&hdr->short_src, buf + pos, 4);  in ieee802154_hdr_get_sechdr()
189 		memcpy(&hdr->extended_src, buf + pos, IEEE802154_ADDR_LEN);  in ieee802154_hdr_get_sechdr()
194 	hdr->key_id = buf[pos++];  in ieee802154_hdr_get_sechdr()
211 static int ieee802154_hdr_minlen(const struct ieee802154_hdr *hdr)  in ieee802154_hdr_minlen()  argument
215 	dlen = ieee802154_hdr_addr_len(hdr->fc.dest_addr_mode, false);  in ieee802154_hdr_minlen()
216 	slen = ieee802154_hdr_addr_len(hdr->fc.source_addr_mode,  in ieee802154_hdr_minlen()
217 				       hdr->fc.intra_pan);  in ieee802154_hdr_minlen()
222 	return 3 + dlen + slen + hdr->fc.security_enabled;  in ieee802154_hdr_minlen()
226 ieee802154_hdr_get_addrs(const u8 *buf, struct ieee802154_hdr *hdr)  in ieee802154_hdr_get_addrs()  argument
230 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.dest_addr_mode,  in ieee802154_hdr_get_addrs()
231 				       false, &hdr->dest);  in ieee802154_hdr_get_addrs()
232 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.source_addr_mode,  in ieee802154_hdr_get_addrs()
233 				       hdr->fc.intra_pan, &hdr->source);  in ieee802154_hdr_get_addrs()
235 	if (hdr->fc.intra_pan)  in ieee802154_hdr_get_addrs()
236 		hdr->source.pan_id = hdr->dest.pan_id;  in ieee802154_hdr_get_addrs()
242 ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_pull()  argument
249 	memcpy(hdr, skb->data, 3);  in ieee802154_hdr_pull()
251 	rc = ieee802154_hdr_minlen(hdr);  in ieee802154_hdr_pull()
255 	pos += ieee802154_hdr_get_addrs(skb->data + pos, hdr);  in ieee802154_hdr_pull()
257 	if (hdr->fc.security_enabled) {  in ieee802154_hdr_pull()
263 		pos += ieee802154_hdr_get_sechdr(skb->data + pos, &hdr->sec);  in ieee802154_hdr_pull()
272 ieee802154_hdr_peek_addrs(const struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_peek_addrs()  argument
280 	memcpy(hdr, buf, 3);  in ieee802154_hdr_peek_addrs()
282 	rc = ieee802154_hdr_minlen(hdr);  in ieee802154_hdr_peek_addrs()
286 	pos += ieee802154_hdr_get_addrs(buf + pos, hdr);  in ieee802154_hdr_peek_addrs()
292 ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_peek()  argument
297 	pos = ieee802154_hdr_peek_addrs(skb, hdr);  in ieee802154_hdr_peek()
301 	if (hdr->fc.security_enabled) {  in ieee802154_hdr_peek()
308 		pos += ieee802154_hdr_get_sechdr(buf + pos, &hdr->sec);  in ieee802154_hdr_peek()
315 int ieee802154_max_payload(const struct ieee802154_hdr *hdr)  in ieee802154_max_payload()  argument
317 	int hlen = ieee802154_hdr_minlen(hdr);  in ieee802154_max_payload()
319 	if (hdr->fc.security_enabled) {  in ieee802154_max_payload()
320 		hlen += ieee802154_sechdr_lengths[hdr->sec.key_id_mode] - 1;  in ieee802154_max_payload()
321 		hlen += ieee802154_sechdr_authtag_len(&hdr->sec);  in ieee802154_max_payload()