C++ (Cpp) validate_fc_seqの例

コード例 #1

ファイル: ieee802154_frame.c プロジェクト: sunkaizhu/zephyr

bool ieee802154_validate_frame(uint8_t *buf, uint8_t length,
			       struct ieee802154_mpdu *mpdu)
{
	uint8_t *p_buf;

	if (length > IEEE802154_MTU || length < IEEE802154_MIN_LENGTH) {
		NET_DBG("Wrong packet length: %d", length);
		return false;
	}

	mpdu->mhr.fs = validate_fc_seq(buf, &p_buf);
	if (!mpdu->mhr.fs) {
		return false;
	}

	/* ToDo: Support later version's frame types */
	if (mpdu->mhr.fs->fc.frame_type > IEEE802154_FRAME_TYPE_MAC_COMMAND) {
		return false;
	}

	mpdu->mhr.dst_addr = validate_addr(p_buf, &p_buf,
					   mpdu->mhr.fs->fc.dst_addr_mode,
					   false);

	mpdu->mhr.src_addr = validate_addr(p_buf, &p_buf,
					   mpdu->mhr.fs->fc.src_addr_mode,
					   (mpdu->mhr.fs->fc.pan_id_comp));

	return validate_payload_and_mfr(mpdu, buf, p_buf, length);
}

コード例 #2

ファイル: ieee802154_frame.c プロジェクト: bboozzoo/zephyr

bool ieee802154_validate_frame(u8_t *buf, u8_t length,
			       struct ieee802154_mpdu *mpdu)
{
	u8_t *p_buf = NULL;

	if (length > IEEE802154_MTU || length < IEEE802154_MIN_LENGTH) {
		NET_DBG("Wrong packet length: %d", length);
		return false;
	}

	mpdu->mhr.fs = validate_fc_seq(buf, &p_buf);
	if (!mpdu->mhr.fs) {
		return false;
	}

	/* ToDo: Support later version's frame types */
	if (mpdu->mhr.fs->fc.frame_type > IEEE802154_FRAME_TYPE_MAC_COMMAND) {
		return false;
	}

	mpdu->mhr.dst_addr = validate_addr(p_buf, &p_buf,
					   mpdu->mhr.fs->fc.dst_addr_mode,
					   false);

	mpdu->mhr.src_addr = validate_addr(p_buf, &p_buf,
					   mpdu->mhr.fs->fc.src_addr_mode,
					   (mpdu->mhr.fs->fc.pan_id_comp));

#ifdef CONFIG_NET_L2_IEEE802154_SECURITY
	if (mpdu->mhr.fs->fc.security_enabled) {
		mpdu->mhr.aux_sec =
			ieee802154_validate_aux_security_hdr(p_buf, &p_buf);
		if (!mpdu->mhr.aux_sec) {
			return false;
		}
	}
#endif

	return validate_payload_and_mfr(mpdu, buf, p_buf, length);
}