iwlwifi: mvm: propagate the beamforming status from firmware

The firmware tells us if an Rx packet was beamformed or not.
Propagate this data to mac80211's rx_status.vht_flags.
The main user of this data is the radiotap header.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c
index ac9a84e..40fd5dc 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rx.c
@@ -393,6 +393,8 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
                rx_status.rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
                rx_status.flag |= RX_FLAG_VHT;
                rx_status.flag |= stbc << RX_FLAG_STBC_SHIFT;
+               if (rate_n_flags & RATE_MCS_BF_MSK)
+                       rx_status.vht_flag |= RX_VHT_FLAG_BF;
        } else {
                rx_status.rate_idx =
                        iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags,