iwlwifi: mvm: add number of scan iterations and multiplier to params
authorLuciano Coelho <luciano.coelho@intel.com>
Thu, 16 Apr 2015 17:13:28 +0000 (20:13 +0300)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Wed, 29 Apr 2015 10:18:12 +0000 (13:18 +0300)
As another step towards combining the scan and sched scan functions,
add parameters that tell the scan function how many iterations we want
(i.e. 1 for normal scan, more for scheduled scan) and that set the
full scan multiplier (only meaningful for LMAC).

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/mvm/scan.c

index acff2e7e3d1f991d56687bf05874a3e4dc403250..557615286842316c328b306762da0ffedd67946b 100644 (file)
@@ -98,6 +98,10 @@ struct iwl_mvm_scan_params {
                u16 active;
                u16 fragmented;
        } dwell[IEEE80211_NUM_BANDS];
+       struct {
+               u8 iterations;
+               u8 full_scan_mul; /* not used for UMAC */
+       } schedule[2];
 };
 
 enum iwl_umac_scan_uid_type {
@@ -861,11 +865,11 @@ static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
        ssid_bitmap <<= 1;
 
        cmd->schedule[0].delay = cpu_to_le16(params->interval);
-       cmd->schedule[0].iterations = 1;
-       cmd->schedule[0].full_scan_mul = 0;
+       cmd->schedule[0].iterations = params->schedule[0].iterations;
+       cmd->schedule[0].full_scan_mul = params->schedule[0].full_scan_mul;
        cmd->schedule[1].delay = cpu_to_le16(params->interval);
-       cmd->schedule[1].iterations = 0;
-       cmd->schedule[1].full_scan_mul = 0;
+       cmd->schedule[1].iterations = params->schedule[1].iterations;
+       cmd->schedule[1].full_scan_mul = params->schedule[1].iterations;
 
        if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SINGLE_SCAN_EBS &&
            mvm->last_ebs_successful) {
@@ -941,12 +945,11 @@ iwl_mvm_sched_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
        ssid_bitmap <<= 1;
 
        cmd->schedule[0].delay = cpu_to_le16(params->interval);
-       cmd->schedule[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS;
-       cmd->schedule[0].full_scan_mul = 1;
-
+       cmd->schedule[0].iterations = params->schedule[0].iterations;
+       cmd->schedule[0].full_scan_mul = params->schedule[0].full_scan_mul;
        cmd->schedule[1].delay = cpu_to_le16(params->interval);
-       cmd->schedule[1].iterations = 0xff;
-       cmd->schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER;
+       cmd->schedule[1].iterations = params->schedule[1].iterations;
+       cmd->schedule[1].full_scan_mul = params->schedule[1].iterations;
 
        if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT &&
            mvm->last_ebs_successful) {
@@ -1276,8 +1279,8 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
        iwl_mvm_umac_scan_cfg_channels(mvm, params->channels,
                                       params->n_channels, ssid_bitmap, cmd);
 
-       sec_part->schedule[0].iter_count = 1;
-       sec_part->delay = 0;
+       sec_part->schedule[0].iter_count = params->schedule[0].iterations;
+       sec_part->delay = cpu_to_le16(params->delay);
        sec_part->preq = params->preq;
 
        return 0;
@@ -1337,9 +1340,10 @@ static int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm,
        iwl_mvm_umac_scan_cfg_channels(mvm, params->channels,
                                       params->n_channels, ssid_bitmap, cmd);
 
-       sec_part->schedule[0].interval =
-                               cpu_to_le16(params->interval / MSEC_PER_SEC);
-       sec_part->schedule[0].iter_count = 0xff;
+       sec_part->schedule[0].interval = cpu_to_le16(params->interval);
+
+       /* With UMAC we use only one schedule, so take the final one only */
+       sec_part->schedule[0].iter_count = params->schedule[1].iterations;
 
        if (params->delay > U16_MAX) {
                IWL_DEBUG_SCAN(mvm,
@@ -1447,6 +1451,11 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
        params.n_match_sets = 0;
        params.match_sets = NULL;
 
+       params.schedule[0].iterations = 1;
+       params.schedule[0].full_scan_mul = 0;
+       params.schedule[1].iterations = 0;
+       params.schedule[1].full_scan_mul = 0;
+
        iwl_mvm_scan_calc_dwell(mvm, vif, &params);
 
        iwl_mvm_build_scan_probe(mvm, vif, ies, &params);
@@ -1525,6 +1534,11 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
        params.n_match_sets = req->n_match_sets;
        params.match_sets = req->match_sets;
 
+       params.schedule[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS;
+       params.schedule[0].full_scan_mul = 1;
+       params.schedule[1].iterations = 0xff;
+       params.schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER;
+
        if (req->interval > U16_MAX) {
                IWL_DEBUG_SCAN(mvm,
                               "interval value is > 16-bits, set to max possible\n");