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Commit c4e45c84 authored by Shaul Triebitz's avatar Shaul Triebitz Committed by Luca Coelho
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iwlwifi: mvm: set correct chains in Rx status 



ieee80211_rx_status::chains was always set to zero.
That caused rate scaling to always start with the
lowest rate possible (rs_get_initial_rate).
Set it correctly according to the MPDU response.

Signed-off-by: default avatarShaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent ed59b7d5

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

+3 −1
Original line number Diff line number Diff line
@@ -213,6 +213,7 @@ static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, 
					struct ieee80211_rx_status *rx_status)

{

	int energy_a, energy_b, max_energy;

	u32 rate_flags = le32_to_cpu(desc->rate_n_flags);



	energy_a = desc->energy_a;

	energy_a = energy_a ? -energy_a : S8_MIN;
@@ -224,7 +225,8 @@ static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, 
			energy_a, energy_b, max_energy);



	rx_status->signal = max_energy;

	rx_status->chains = 0; /* TODO: phy info */

	rx_status->chains =

		(rate_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;

	rx_status->chain_signal[0] = energy_a;

	rx_status->chain_signal[1] = energy_b;

	rx_status->chain_signal[2] = S8_MIN;