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path: root/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c58
1 files changed, 53 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index aa6d8074f63a..c1d1be9c5d01 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -33,6 +34,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -68,6 +70,7 @@
#include "mvm.h"
#include "fw-api-scan.h"
+#include "iwl-io.h"
#define IWL_DENSE_EBS_SCAN_RATIO 5
#define IWL_SPARSE_EBS_SCAN_RATIO 1
@@ -297,6 +300,12 @@ void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_dump_channel_list(notif->results,
notif->scanned_channels, buf,
sizeof(buf)));
+
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) {
+ IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n");
+ ieee80211_sched_scan_results(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
+ }
}
void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
@@ -380,6 +389,7 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
mvm->scan_status &= ~IWL_MVM_SCAN_SCHED;
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
} else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) {
IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n",
aborted ? "aborted" : "completed",
@@ -389,6 +399,10 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
ieee80211_scan_completed(mvm->hw,
scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
+ } else {
+ IWL_ERR(mvm,
+ "got scan complete notification but no scan is running\n");
}
mvm->last_ebs_successful =
@@ -533,10 +547,13 @@ static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm,
IWL_DEBUG_SCAN(mvm,
"Sending scheduled scan with filtering, n_match_sets %d\n",
req->n_match_sets);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
return false;
}
IWL_DEBUG_SCAN(mvm, "Sending Scheduled scan without filtering\n");
+
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
return true;
}
@@ -788,6 +805,9 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm,
flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
#endif
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)
+ flags |= IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE;
+
if (iwl_mvm_is_regular_scan(params) &&
vif->type != NL80211_IFTYPE_P2P_DEVICE &&
params->type != IWL_SCAN_TYPE_FRAGMENTED)
@@ -946,6 +966,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm)
SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS |
SCAN_CONFIG_FLAG_SET_TX_CHAINS |
SCAN_CONFIG_FLAG_SET_RX_CHAINS |
+ SCAN_CONFIG_FLAG_SET_AUX_STA_ID |
SCAN_CONFIG_FLAG_SET_ALL_TIMES |
SCAN_CONFIG_FLAG_SET_LEGACY_RATES |
SCAN_CONFIG_FLAG_SET_MAC_ADDR |
@@ -1074,6 +1095,9 @@ static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
#endif
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)
+ flags |= IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE;
+
if (iwl_mvm_is_regular_scan(params) &&
vif->type != NL80211_IFTYPE_P2P_DEVICE &&
params->type != IWL_SCAN_TYPE_FRAGMENTED)
@@ -1198,6 +1222,18 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type)
return -EIO;
}
+#define SCAN_TIMEOUT (16 * HZ)
+
+void iwl_mvm_scan_timeout(unsigned long data)
+{
+ struct iwl_mvm *mvm = (struct iwl_mvm *)data;
+
+ IWL_ERR(mvm, "regular scan timed out\n");
+
+ del_timer(&mvm->scan_timer);
+ iwl_force_nmi(mvm->trans);
+}
+
int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct cfg80211_scan_request *req,
struct ieee80211_scan_ies *ies)
@@ -1277,6 +1313,8 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvm->scan_status |= IWL_MVM_SCAN_REGULAR;
iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN);
+ mod_timer(&mvm->scan_timer, jiffies + SCAN_TIMEOUT);
+
return 0;
}
@@ -1301,10 +1339,6 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
return -EBUSY;
}
- /* we don't support "match all" in the firmware */
- if (!req->n_match_sets)
- return -EOPNOTSUPP;
-
ret = iwl_mvm_check_running_scans(mvm, type);
if (ret)
return ret;
@@ -1398,8 +1432,10 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) {
ieee80211_scan_completed(mvm->hw, aborted);
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
} else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
}
mvm->scan_status &= ~mvm->scan_uid_status[uid];
@@ -1434,6 +1470,12 @@ void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
iwl_mvm_dump_channel_list(notif->results,
notif->scanned_channels, buf,
sizeof(buf)));
+
+ if (mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_FOUND) {
+ IWL_DEBUG_SCAN(mvm, "Pass all scheduled scan results found\n");
+ ieee80211_sched_scan_results(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_ENABLED;
+ }
}
static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type)
@@ -1528,6 +1570,7 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED);
if (uid >= 0 && !mvm->restart_fw) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
mvm->scan_uid_status[uid] = 0;
}
@@ -1549,8 +1592,11 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
* restart_hw, so do not report if FW is about to be
* restarted.
*/
- if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) && !mvm->restart_fw)
+ if ((mvm->scan_status & IWL_MVM_SCAN_SCHED) &&
+ !mvm->restart_fw) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
+ }
}
}
@@ -1582,10 +1628,12 @@ out:
* to release the scan reference here.
*/
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
+ del_timer(&mvm->scan_timer);
if (notify)
ieee80211_scan_completed(mvm->hw, true);
} else if (notify) {
ieee80211_sched_scan_stopped(mvm->hw);
+ mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED;
}
return ret;
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-31 09:06:07 +0000