25 int ieee802154_security_setup_session(struct ieee802154_security_ctx *sec_ctx, uint8_t level,  in ieee802154_security_setup_session()  argument
31 	if (level > IEEE802154_SECURITY_LEVEL_ENC_MIC_128 ||  in ieee802154_security_setup_session()
37 	if (level > IEEE802154_SECURITY_LEVEL_NONE &&  in ieee802154_security_setup_session()
43 	sec_ctx->level = level;  in ieee802154_security_setup_session()
45 	if (level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_security_setup_session()
50 	if (level > IEEE802154_SECURITY_LEVEL_ENC) {  in ieee802154_security_setup_session()
51 		authtag_len = level_2_authtag_len[level - 4];  in ieee802154_security_setup_session()
52 	} else if (level < IEEE802154_SECURITY_LEVEL_ENC) {  in ieee802154_security_setup_session()
53 		authtag_len = level_2_authtag_len[level];  in ieee802154_security_setup_session()
93 	if (sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_security_teardown_session()
99 	sec_ctx->level = IEEE802154_SECURITY_LEVEL_NONE;  in ieee802154_security_teardown_session()
102 static void prepare_cipher_aead_pkt(uint8_t *frame, uint8_t level, uint8_t ll_hdr_len,  in prepare_cipher_aead_pkt()  argument
109 	__ASSERT_NO_MSG(level != IEEE802154_SECURITY_LEVEL_ENC);  in prepare_cipher_aead_pkt()
111 	is_encrypted = level > IEEE802154_SECURITY_LEVEL_ENC;  in prepare_cipher_aead_pkt()
112 	is_authenticated = level != IEEE802154_SECURITY_LEVEL_NONE;  in prepare_cipher_aead_pkt()
138 	uint8_t level;  in ieee802154_decrypt_auth()  local
141 	if (!sec_ctx || sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_decrypt_auth()
145 	level = sec_ctx->level;  in ieee802154_decrypt_auth()
150 	nonce[12] = level;  in ieee802154_decrypt_auth()
152 	prepare_cipher_aead_pkt(frame, level, ll_hdr_len, payload_len, authtag_len, &apkt, &pkt);  in ieee802154_decrypt_auth()
171 	uint8_t level;  in ieee802154_encrypt_auth()  local
174 	if (!sec_ctx || sec_ctx->level == IEEE802154_SECURITY_LEVEL_NONE) {  in ieee802154_encrypt_auth()
178 	level = sec_ctx->level;  in ieee802154_encrypt_auth()
180 	if (level == IEEE802154_SECURITY_LEVEL_RESERVED) {  in ieee802154_encrypt_auth()
193 	nonce[12] = level;  in ieee802154_encrypt_auth()
195 	prepare_cipher_aead_pkt(frame, level, ll_hdr_len, payload_len, authtag_len, &apkt, &pkt);  in ieee802154_encrypt_auth()