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	{			{
	uint16_t aad_len;			uint16_t aad_len;

	memset(aad, 0, len);			memset(aad, 0, len);

	/*			/*
	* AAD for PV0 MPDUs:			* AAD for PV0 MPDUs:
	*			*
	* FC with bits 4..6 and 11..13 masked to zero; 14 is always one			* FC + data frame - mask bits 4..6
				* FC 11..13 masked to zero; 14 is always one
	* A1 \| A2 \| A3			* A1 \| A2 \| A3
	* SC with bits 4..15 (seq#) masked to zero			* SC with bits 4..15 (seq#) masked to zero
	* A4 (if present)			* A4 (if present)
	* QC (if present)			* QC (if present)
	*/			*/
	aad[0] = 0; /* AAD length >> 8 */			aad[0] = 0; /* AAD length >> 8 */
	/* NB: aad[1] set below */			/* NB: aad[1] set below */
	aad[2] = wh->i_fc[0] & 0x8f; /* see above for bitfields */			/* Only mask bits 4,5,6 if its a data frame */
				aad[2] = wh->i_fc[0];
				if (IEEE80211_IS_DATA(wh))
				aad[2] &= 0x8f; /* see above for bitfields */

	aad[3] = wh->i_fc[1] & 0xc7; /* see above for bitfields */			aad[3] = wh->i_fc[1] & 0xc7; /* see above for bitfields */
	/* mask aad[3] b7 if frame is data frame w/ QoS control field */			/* mask aad[3] b7 if frame is data frame w/ QoS control field */
	if (IEEE80211_IS_QOS_ANY(wh))			if (IEEE80211_IS_QOS_ANY(wh))
	aad[3] &= 0x7f;			aad[3] &= 0x7f;

	/* NB: we know 3 addresses are contiguous */			/* NB: we know 3 addresses are contiguous */
	memcpy(aad + 4, wh->i_addr1, 3 * IEEE80211_ADDR_LEN);			memcpy(aad + 4, wh->i_addr1, 3 * IEEE80211_ADDR_LEN);
	aad[22] = wh->i_seq[0] & IEEE80211_SEQ_FRAG_MASK;			aad[22] = wh->i_seq[0] & IEEE80211_SEQ_FRAG_MASK;
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