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From:   Muna Sinada <msinada@codeaurora.org>
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Muna Sinada <msinada@codeaurora.org>
Subject: [PATCH 2/2] mac80211: Handling driver updated MU-EDCA params
Date:   Tue,  8 Dec 2020 14:54:04 -0800
Message-Id: <1607468044-31789-2-git-send-email-msinada@codeaurora.org>
In-Reply-To: <1607468044-31789-1-git-send-email-msinada@codeaurora.org>
References: <1607468044-31789-1-git-send-email-msinada@codeaurora.org>
Precedence: bulk

Added necessary function to pass through driver updated MU-EDCA
parameters to user space.

Signed-off-by: Muna Sinada <msinada@codeaurora.org>
---
 include/net/mac80211.h | 15 +++++++++++++++
 net/mac80211/mlme.c    | 12 ++++++++++++
 net/mac80211/trace.h   | 20 ++++++++++++++++++++
 3 files changed, 47 insertions(+)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 05c7524bab26..eeadddaf1f6a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6695,4 +6695,19 @@ struct sk_buff *ieee80211_get_fils_discovery_tmpl(struct ieee80211_hw *hw,
 struct sk_buff *
 ieee80211_get_unsol_bcast_probe_resp_tmpl(struct ieee80211_hw *hw,
 					  struct ieee80211_vif *vif);
+
+/**
+ * ieee80211_update_muedca_params - update MU-EDCA parameters.
+ *
+ * This function is used to pass dynamically updated MU-EDCA parameters
+ * from driver to user space in order for parameters to be updated in beacon.
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @params: updated MU-EDCA parameters
+ * @gfp: allocation flags
+ */
+void ieee80211_update_muedca_params(struct ieee80211_hw *hw,
+				    struct ieee80211_mu_edca_param_set
+				    *params, gfp_t gfp);
+
 #endif /* MAC80211_H */
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6adfcb9c06dc..aba8fecf8284 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -5934,3 +5934,15 @@ void ieee80211_cqm_beacon_loss_notify(struct ieee80211_vif *vif, gfp_t gfp)
 	cfg80211_cqm_beacon_loss_notify(sdata->dev, gfp);
 }
 EXPORT_SYMBOL(ieee80211_cqm_beacon_loss_notify);
+
+void ieee80211_update_muedca_params(struct ieee80211_hw *hw,
+				    struct ieee80211_mu_edca_param_set
+				    *params, gfp_t gfp)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+
+	trace_api_update_muedca_params(local, params);
+
+	cfg80211_update_muedca_params_event(local->hw.wiphy, params, gfp);
+}
+EXPORT_SYMBOL(ieee80211_update_muedca_params);
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 89723907a094..4ede71bea435 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2767,6 +2767,26 @@ TRACE_EVENT(drv_sta_set_4addr,
 	)
 );
 
+TRACE_EVENT(api_update_muedca_params,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_mu_edca_param_set *params),
+
+	TP_ARGS(local, params),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " updated MU-EDCA parameters",
+		LOCAL_PR_ARG
+	)
+);
+
 #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
 
 #undef TRACE_INCLUDE_PATH
-- 
2.7.4