iwlwifi: mvm: add delay to scheduled scan

Add support for delaying the start of a scheduled scan (or a WoWLAN
net-detect scan).

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 63525876f68a..2997864fb13f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -935,6 +935,8 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
 
         cmd->n_channels = (u8)req->n_channels;
 
+        cmd->delay = cpu_to_le32(req->delay);
+
         if (iwl_mvm_scan_pass_all(mvm, req))
                 flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL;
         else
@@ -1436,7 +1438,13 @@ int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
                                 cpu_to_le16(req->interval / MSEC_PER_SEC);
         sec_part->schedule[0].iter_count = 0xff;
 
-        sec_part->delay = 0;
+        if (req->delay > U16_MAX) {
+                IWL_DEBUG_SCAN(mvm,
+                               "delay value is > 16-bits, set to max possible\n");
+                sec_part->delay = cpu_to_le16(U16_MAX);
+        } else {
+                sec_part->delay = cpu_to_le16(req->delay);
+        }
 
         iwl_mvm_build_unified_scan_probe(mvm, vif, ies, &sec_part->preq,
                 req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR ?