iwlwifi: mvm: support setting minimum quota from debugfs
For debug purposes, allow setting minimum quota (for a single
virtual interface) from debugfs. This is an absolute minimum,
so it can only be set up to 95%.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
index 0b762b4..2141db5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/quota.c
@@ -7,6 +7,7 @@
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 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 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -74,6 +76,9 @@
int n_interfaces[MAX_BINDINGS];
int colors[MAX_BINDINGS];
int low_latency[MAX_BINDINGS];
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ int dbgfs_min[MAX_BINDINGS];
+#endif
int n_low_latency_bindings;
struct ieee80211_vif *disabled_vif;
};
@@ -129,6 +134,12 @@
data->n_interfaces[id]++;
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (mvmvif->dbgfs_quota_min)
+ data->dbgfs_min[id] = max(data->dbgfs_min[id],
+ mvmvif->dbgfs_quota_min);
+#endif
+
if (iwl_mvm_vif_low_latency(mvmvif) && !data->low_latency[id]) {
data->n_low_latency_bindings++;
data->low_latency[id] = true;
@@ -259,6 +270,11 @@
if (data.n_interfaces[i] <= 0)
cmd.quotas[idx].quota = cpu_to_le32(0);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ else if (data.dbgfs_min[i])
+ cmd.quotas[idx].quota =
+ cpu_to_le32(data.dbgfs_min[i] * QUOTA_100 / 100);
+#endif
else if (data.n_low_latency_bindings == 1 && n_non_lowlat &&
data.low_latency[i])
/*