diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index d78e436fa8b5..a138b5c4cce8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -163,7 +163,7 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum nl80211_band band, tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS; if (band == NL80211_BAND_2GHZ && !no_cck) - return cpu_to_le32(IWL_RATE_1M_PLCP | RATE_MCS_CCK_MSK | + return cpu_to_le32(IWL_RATE_1M_PLCP | RATE_MCS_CCK_MSK_V1 | tx_ant); else return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); @@ -1995,8 +1995,16 @@ static u16 iwl_mvm_scan_umac_flags_v2(struct iwl_mvm *mvm, { u16 flags = 0; + /* + * If no direct SSIDs are provided perform a passive scan. Otherwise, + * if there is a single SSID which is not the broadcast SSID, assume + * that the scan is intended for roaming purposes and thus enable Rx on + * all chains to improve chances of hearing the beacons/probe responses. + */ if (params->n_ssids == 0) flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FORCE_PASSIVE; + else if (params->n_ssids == 1 && params->ssids[0].ssid_len) + flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_USE_ALL_RX_CHAINS; if (iwl_mvm_is_scan_fragmented(params->type)) flags |= IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC1; |