547 		 const struct ieee802154_hdr *hdr,  in llsec_lookup_key()  argument
552 	u8 key_id_mode = hdr->sec.key_id_mode;  in llsec_lookup_key()
558 		if (hdr->fc.type == IEEE802154_FC_TYPE_BEACON) {  in llsec_lookup_key()
569 		if (!(key_entry->key->frame_types & BIT(hdr->fc.type)))  in llsec_lookup_key()
579 			if (id->id != hdr->sec.key_id)  in llsec_lookup_key()
584 			     id->short_source == hdr->sec.short_src) ||  in llsec_lookup_key()
586 			     id->extended_source == hdr->sec.extended_src))  in llsec_lookup_key()
616 			const struct ieee802154_hdr *hdr,  in llsec_do_encrypt_unauth()  argument
627 	llsec_geniv(iv, sec->params.hwaddr, &hdr->sec);  in llsec_do_encrypt_unauth()
646 		      const struct ieee802154_hdr *hdr,  in llsec_do_encrypt_auth()  argument
655 	authlen = ieee802154_sechdr_authtag_len(&hdr->sec);  in llsec_do_encrypt_auth()
656 	llsec_geniv(iv, sec->params.hwaddr, &hdr->sec);  in llsec_do_encrypt_auth()
669 	if (hdr->sec.level & IEEE802154_SCF_SECLEVEL_ENC) {  in llsec_do_encrypt_auth()
696 			    const struct ieee802154_hdr *hdr,  in llsec_do_encrypt()  argument
699 	if (hdr->sec.level == IEEE802154_SCF_SECLEVEL_ENC)  in llsec_do_encrypt()
700 		return llsec_do_encrypt_unauth(skb, sec, hdr, key);  in llsec_do_encrypt()
702 		return llsec_do_encrypt_auth(skb, sec, hdr, key);  in llsec_do_encrypt()
707 	struct ieee802154_hdr hdr;  in mac802154_llsec_encrypt()  local
712 	hlen = ieee802154_hdr_pull(skb, &hdr);  in mac802154_llsec_encrypt()
714 	if (hlen < 0 || hdr.fc.type != IEEE802154_FC_TYPE_DATA)  in mac802154_llsec_encrypt()
717 	if (!hdr.fc.security_enabled || hdr.sec.level == 0) {  in mac802154_llsec_encrypt()
722 	authlen = ieee802154_sechdr_authtag_len(&hdr.sec);  in mac802154_llsec_encrypt()
736 	key = llsec_lookup_key(sec, &hdr, &hdr.dest, NULL);  in mac802154_llsec_encrypt()
747 	hdr.sec.frame_counter = cpu_to_le32(frame_ctr);  in mac802154_llsec_encrypt()
761 	skb->mac_len = ieee802154_hdr_push(skb, &hdr);  in mac802154_llsec_encrypt()
764 	rc = llsec_do_encrypt(skb, sec, &hdr, key);  in mac802154_llsec_encrypt()
831 			const struct ieee802154_hdr *hdr,  in llsec_do_decrypt_unauth()  argument
844 	llsec_geniv(iv, dev_addr, &hdr->sec);  in llsec_do_decrypt_unauth()
855 		      const struct ieee802154_hdr *hdr,  in llsec_do_decrypt_auth()  argument
864 	authlen = ieee802154_sechdr_authtag_len(&hdr->sec);  in llsec_do_decrypt_auth()
865 	llsec_geniv(iv, dev_addr, &hdr->sec);  in llsec_do_decrypt_auth()
878 	if (hdr->sec.level & IEEE802154_SCF_SECLEVEL_ENC) {  in llsec_do_decrypt_auth()
903 		 const struct ieee802154_hdr *hdr,  in llsec_do_decrypt()  argument
906 	if (hdr->sec.level == IEEE802154_SCF_SECLEVEL_ENC)  in llsec_do_decrypt()
907 		return llsec_do_decrypt_unauth(skb, sec, hdr, key, dev_addr);  in llsec_do_decrypt()
909 		return llsec_do_decrypt_auth(skb, sec, hdr, key, dev_addr);  in llsec_do_decrypt()
983 	struct ieee802154_hdr hdr;  in mac802154_llsec_decrypt()  local
992 	if (ieee802154_hdr_peek(skb, &hdr) < 0)  in mac802154_llsec_decrypt()
994 	if (!hdr.fc.security_enabled)  in mac802154_llsec_decrypt()
996 	if (hdr.fc.version == 0)  in mac802154_llsec_decrypt()
1008 	key = llsec_lookup_key(sec, &hdr, &hdr.source, &key_id);  in mac802154_llsec_decrypt()
1014 	dev = llsec_lookup_dev(sec, &hdr.source);  in mac802154_llsec_decrypt()
1020 	if (llsec_lookup_seclevel(sec, hdr.fc.type, 0, &seclevel) < 0) {  in mac802154_llsec_decrypt()
1025 	if (!(seclevel.sec_levels & BIT(hdr.sec.level)) &&  in mac802154_llsec_decrypt()
1026 	    (hdr.sec.level == 0 && seclevel.device_override &&  in mac802154_llsec_decrypt()
1032 	frame_ctr = le32_to_cpu(hdr.sec.frame_counter);  in mac802154_llsec_decrypt()
1047 	err = llsec_do_decrypt(skb, sec, &hdr, key, dev_addr);  in mac802154_llsec_decrypt()