static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
				 u32 bw_cap[2], u32 nchain, u32 txstreams,
				 u32 txbf_bfe_cap, u32 txbf_bfr_cap)
{
	__le16 mcs_map;

	/* not allowed in 2.4G band */
	if (band->band == NL80211_BAND_2GHZ)
		return;

	band->vht_cap.vht_supported = true;
	/* 80MHz is mandatory */
	band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
	if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
		band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
		band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
	}
	/* all support 256-QAM */
	mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
	band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
	band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;

	/* Beamforming support information */
	if (txbf_bfe_cap & BRCMF_TXBF_SU_BFE_CAP)
		band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
	if (txbf_bfe_cap & BRCMF_TXBF_MU_BFE_CAP)
		band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
	if (txbf_bfr_cap & BRCMF_TXBF_SU_BFR_CAP)
		band->vht_cap.cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
	if (txbf_bfr_cap & BRCMF_TXBF_MU_BFR_CAP)
		band->vht_cap.cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;

	if ((txbf_bfe_cap || txbf_bfr_cap) && (txstreams > 1)) {
		band->vht_cap.cap |=
			(2 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
		band->vht_cap.cap |= ((txstreams - 1) <<
				IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
		band->vht_cap.cap |=
			IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB;
	}
}
Unknown