From: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Make passive scan fragmentation depends on the number of active
interfaces. In case of single-MAC, make passive scan less fragmented.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Reviewed-by: Alexander Bondar <alexander.bondar@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/scan.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index ed229a8..348b9c4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -284,11 +284,11 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- bool *global_bound = data;
+ int *global_cnt = data;
if (vif->type != NL80211_IFTYPE_P2P_DEVICE && mvmvif->phy_ctxt &&
mvmvif->phy_ctxt->id < MAX_PHYS)
- *global_bound = true;
+ *global_cnt += 1;
}
static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
@@ -296,16 +296,16 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
int n_ssids, u32 flags,
struct iwl_mvm_scan_params *params)
{
- bool global_bound = false;
+ int global_cnt = 0;
enum ieee80211_band band;
u8 frag_passive_dwell = 0;
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_scan_condition_iterator,
- &global_bound);
+ &global_cnt);
- if (!global_bound)
+ if (!global_cnt)
goto not_bound;
params->suspend_time = 30;
@@ -316,7 +316,11 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
IWL_UCODE_TLV_API_FRAGMENTED_SCAN) {
params->suspend_time = 105;
params->max_out_time = 70;
- frag_passive_dwell = 20;
+ /*
+ * If there is more than one active interface make
+ * passive scan more fragmented.
+ */
+ frag_passive_dwell = (global_cnt < 2) ? 40 : 20;
} else {
params->suspend_time = 120;
params->max_out_time = 120;
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
