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authorMiri Korenblit <miriam.rachel.korenblit@intel.com>2023-06-08 16:36:06 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-06-14 12:20:08 +0200
commitbc1be54d7eb4ab4c6bd44e9f73d5b44b6c8e761c (patch)
treed80370a3301d73a48be4f352edcf1176e97d2e2e /net/mac80211/debugfs_netdev.c
parent0e966d9a35fa5a3967a4900654fa925b8fb8e71b (diff)
wifi: mac80211: allow disabling SMPS debugfs controls
There are cases in which we don't want the user to override the smps mode, e.g. when SMPS should be disabled due to EMLSR. Add a driver flag to disable SMPS overriding and don't override if it is set. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230608163202.ef129e80556c.I74a298fdc86b87074c95228d3916739de1400597@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/debugfs_netdev.c')
-rw-r--r--net/mac80211/debugfs_netdev.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index b0cef37eb394..3fea86c9a276 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -2,7 +2,7 @@
/*
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2020-2022 Intel Corporation
+ * Copyright (C) 2020-2023 Intel Corporation
*/
#include <linux/kernel.h>
@@ -267,6 +267,9 @@ static int ieee80211_set_smps(struct ieee80211_link_data *link,
struct ieee80211_local *local = sdata->local;
int err;
+ if (sdata->vif.driver_flags & IEEE80211_VIF_DISABLE_SMPS_OVERRIDE)
+ return -EOPNOTSUPP;
+
if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&
smps_mode == IEEE80211_SMPS_STATIC)
return -EINVAL;