47 ieee802154_hdr_push_sechdr(u8 *buf, const struct ieee802154_sechdr *hdr)  in ieee802154_hdr_push_sechdr()  argument
51 	memcpy(buf, hdr, 1);  in ieee802154_hdr_push_sechdr()
52 	memcpy(buf + 1, &hdr->frame_counter, 4);  in ieee802154_hdr_push_sechdr()
54 	switch (hdr->key_id_mode) {  in ieee802154_hdr_push_sechdr()
62 		memcpy(buf + pos, &hdr->short_src, 4);  in ieee802154_hdr_push_sechdr()
67 		memcpy(buf + pos, &hdr->extended_src, IEEE802154_ADDR_LEN);  in ieee802154_hdr_push_sechdr()
72 	buf[pos++] = hdr->key_id;  in ieee802154_hdr_push_sechdr()
78 ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_push()  argument
83 	struct ieee802154_hdr_fc *fc = &hdr->fc;  in ieee802154_hdr_push()
85 	buf[pos++] = hdr->seq;  in ieee802154_hdr_push()
87 	fc->dest_addr_mode = hdr->dest.mode;  in ieee802154_hdr_push()
89 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->dest, false);  in ieee802154_hdr_push()
94 	fc->source_addr_mode = hdr->source.mode;  in ieee802154_hdr_push()
96 	if (hdr->source.pan_id == hdr->dest.pan_id &&  in ieee802154_hdr_push()
97 	    hdr->dest.mode != IEEE802154_ADDR_NONE)  in ieee802154_hdr_push()
100 	rc = ieee802154_hdr_push_addr(buf + pos, &hdr->source, fc->intra_pan);  in ieee802154_hdr_push()
108 		rc = ieee802154_hdr_push_sechdr(buf + pos, &hdr->sec);  in ieee802154_hdr_push()
161 ieee802154_hdr_get_sechdr(const u8 *buf, struct ieee802154_sechdr *hdr)  in ieee802154_hdr_get_sechdr()  argument
165 	memcpy(hdr, buf, 1);  in ieee802154_hdr_get_sechdr()
166 	memcpy(&hdr->frame_counter, buf + 1, 4);  in ieee802154_hdr_get_sechdr()
168 	switch (hdr->key_id_mode) {  in ieee802154_hdr_get_sechdr()
176 		memcpy(&hdr->short_src, buf + pos, 4);  in ieee802154_hdr_get_sechdr()
181 		memcpy(&hdr->extended_src, buf + pos, IEEE802154_ADDR_LEN);  in ieee802154_hdr_get_sechdr()
186 	hdr->key_id = buf[pos++];  in ieee802154_hdr_get_sechdr()
203 static int ieee802154_hdr_minlen(const struct ieee802154_hdr *hdr)  in ieee802154_hdr_minlen()  argument
207 	dlen = ieee802154_hdr_addr_len(hdr->fc.dest_addr_mode, false);  in ieee802154_hdr_minlen()
208 	slen = ieee802154_hdr_addr_len(hdr->fc.source_addr_mode,  in ieee802154_hdr_minlen()
209 				       hdr->fc.intra_pan);  in ieee802154_hdr_minlen()
214 	return 3 + dlen + slen + hdr->fc.security_enabled;  in ieee802154_hdr_minlen()
218 ieee802154_hdr_get_addrs(const u8 *buf, struct ieee802154_hdr *hdr)  in ieee802154_hdr_get_addrs()  argument
222 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.dest_addr_mode,  in ieee802154_hdr_get_addrs()
223 				       false, &hdr->dest);  in ieee802154_hdr_get_addrs()
224 	pos += ieee802154_hdr_get_addr(buf + pos, hdr->fc.source_addr_mode,  in ieee802154_hdr_get_addrs()
225 				       hdr->fc.intra_pan, &hdr->source);  in ieee802154_hdr_get_addrs()
227 	if (hdr->fc.intra_pan)  in ieee802154_hdr_get_addrs()
228 		hdr->source.pan_id = hdr->dest.pan_id;  in ieee802154_hdr_get_addrs()
234 ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_pull()  argument
241 	memcpy(hdr, skb->data, 3);  in ieee802154_hdr_pull()
243 	rc = ieee802154_hdr_minlen(hdr);  in ieee802154_hdr_pull()
247 	pos += ieee802154_hdr_get_addrs(skb->data + pos, hdr);  in ieee802154_hdr_pull()
249 	if (hdr->fc.security_enabled) {  in ieee802154_hdr_pull()
255 		pos += ieee802154_hdr_get_sechdr(skb->data + pos, &hdr->sec);  in ieee802154_hdr_pull()
264 ieee802154_hdr_peek_addrs(const struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_peek_addrs()  argument
272 	memcpy(hdr, buf, 3);  in ieee802154_hdr_peek_addrs()
274 	rc = ieee802154_hdr_minlen(hdr);  in ieee802154_hdr_peek_addrs()
278 	pos += ieee802154_hdr_get_addrs(buf + pos, hdr);  in ieee802154_hdr_peek_addrs()
284 ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr)  in ieee802154_hdr_peek()  argument
289 	pos = ieee802154_hdr_peek_addrs(skb, hdr);  in ieee802154_hdr_peek()
293 	if (hdr->fc.security_enabled) {  in ieee802154_hdr_peek()
300 		pos += ieee802154_hdr_get_sechdr(buf + pos, &hdr->sec);  in ieee802154_hdr_peek()
307 int ieee802154_max_payload(const struct ieee802154_hdr *hdr)  in ieee802154_max_payload()  argument
309 	int hlen = ieee802154_hdr_minlen(hdr);  in ieee802154_max_payload()
311 	if (hdr->fc.security_enabled) {  in ieee802154_max_payload()
312 		hlen += ieee802154_sechdr_lengths[hdr->sec.key_id_mode] - 1;  in ieee802154_max_payload()
313 		hlen += ieee802154_sechdr_authtag_len(&hdr->sec);  in ieee802154_max_payload()