diff options
| author | Ilan Peer <ilan.peer@intel.com> | 2021-10-24 16:55:01 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-10-28 12:04:09 +0300 |
| commit | e699bdea24104cb1add30ae019347d2a5ebe1f63 (patch) | |
| tree | 9e7d304713b64894297fb97f1b0b5ec3544182e8 /drivers/net/wireless/intel/iwlwifi/mvm/scan.c | |
| parent | 2270bb685c913ac076aff835ff8ba53ee36ae70d (diff) | |
| download | linux-e699bdea24104cb1add30ae019347d2a5ebe1f63.tar.xz | |
iwlwifi: mvm: Use all Rx chains for roaming scan
To improve chances of hearing beacons and probe responses during
a scan which (based on the scan request parameters) looks like a
roaming scan, enable reception on all chains.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211024165252.f115ad455aca.I5de854fe8ce58c85c21a7adf43526acb29156a08@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index ce8bdbc70b7e..a138b5c4cce8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -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; |