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| author | Haim Dreyfuss <haim.dreyfuss@intel.com> | 2014-12-02 11:03:16 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-12-28 20:13:40 +0200 |
| commit | c3f8d0a3afbc54db0b7ef079d42bc3c72f06d668 (patch) | |
| tree | 4c285018128c8ad0abdaeb259a1531e1a5ea7716 | |
| parent | ff2986246471c564ccd7beb02427a32ec7f3f9d5 (diff) | |
| download | linux-stable-c3f8d0a3afbc54db0b7ef079d42bc3c72f06d668.tar.gz linux-stable-c3f8d0a3afbc54db0b7ef079d42bc3c72f06d668.tar.bz2 linux-stable-c3f8d0a3afbc54db0b7ef079d42bc3c72f06d668.zip | |
iwlwifi: mvm: Alter passive scan fragmentation parameters in case of multi-MAC
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@intel.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/scan.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index ed229a8daf4a..348b9c4b694a 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; |