wifi: mac80211: wake the queues in case of failure in resume

In case we fail to resume, we'll WARN with
"Hardware became unavailable during restart." and we'll wait until user
space does something. It'll typically bring the interface down and up to
recover. This won't work though because the queues are still stopped on
IEEE80211_QUEUE_STOP_REASON_SUSPEND reason.
Make sure we clear that reason so that we give a chance to the recovery
to succeed.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219447
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241119173108.cd628f560f97.I76a15fdb92de450e5329940125f3c58916be3942@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index a4e1301cc999d24d6ab1bd899742a2ff04229040..c13b4e718e776d0ad10864147760c6055898e25f 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1843,6 +1843,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                        WARN(1, "Hardware became unavailable upon resume. This could be a software issue prior to suspend or a hardware issue.\n");
                else
                        WARN(1, "Hardware became unavailable during restart.\n");
+               ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
+                                               IEEE80211_QUEUE_STOP_REASON_SUSPEND,
+                                               false);
                ieee80211_handle_reconfig_failure(local);
                return res;
        }