[v6,2/3] mac80211: Add antenna configuration

Commit Message

Bruno Randolf Nov. 5, 2010, 6:53 a.m. UTC

None

Patch

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 9fdf982..b14dd7d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1793,6 +1793,8 @@  struct ieee80211_ops {
 	void (*channel_switch)(struct ieee80211_hw *hw,
 			       struct ieee80211_channel_switch *ch_switch);
 	int (*napi_poll)(struct ieee80211_hw *hw, int budget);
+	int (*set_antenna)(struct ieee80211_hw *hw, u8 tx_ant, u8 rx_ant);
+	int (*get_antenna)(struct ieee80211_hw *hw, u8 *tx_ant, u8 *rx_ant);
 };
 
 /**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 18bd0e5..ae1e98e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1621,6 +1621,23 @@  static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
 	ieee80211_queue_work(&local->hw, &local->reconfig_filter);
 }
 
+static int ieee80211_set_antenna(struct wiphy *wiphy, u8 tx_ant, u8 rx_ant)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+
+	if (local->started)
+		return -EOPNOTSUPP;
+
+	return drv_set_antenna(local, tx_ant, rx_ant);
+}
+
+static int ieee80211_get_antenna(struct wiphy *wiphy, u8 *tx_ant, u8 *rx_ant)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+
+	return drv_get_antenna(local, tx_ant, rx_ant);
+}
+
 struct cfg80211_ops mac80211_config_ops = {
 	.add_virtual_intf = ieee80211_add_iface,
 	.del_virtual_intf = ieee80211_del_iface,
@@ -1673,4 +1690,6 @@  struct cfg80211_ops mac80211_config_ops = {
 	.mgmt_tx = ieee80211_mgmt_tx,
 	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
 	.mgmt_frame_register = ieee80211_mgmt_frame_register,
+	.set_antenna = ieee80211_set_antenna,
+	.get_antenna = ieee80211_get_antenna,
 };
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 1698382..af48be8 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -428,4 +428,27 @@  static inline void drv_channel_switch(struct ieee80211_local *local,
 	trace_drv_return_void(local);
 }
 
+
+static inline int drv_set_antenna(struct ieee80211_local *local,
+				  u8 tx_ant, u8 rx_ant)
+{
+	int ret = -EOPNOTSUPP;
+	might_sleep();
+	if (local->ops->set_antenna)
+		ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant);
+	trace_drv_set_antenna(local, tx_ant, rx_ant, ret);
+	return ret;
+}
+
+static inline int drv_get_antenna(struct ieee80211_local *local,
+				  u8 *tx_ant, u8 *rx_ant)
+{
+	int ret = -EOPNOTSUPP;
+	might_sleep();
+	if (local->ops->get_antenna)
+		ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant);
+	trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret);
+	return ret;
+}
+
 #endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 6831fb1..f7c0a0c 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -862,6 +862,56 @@  TRACE_EVENT(drv_channel_switch,
 	)
 );
 
+TRACE_EVENT(drv_set_antenna,
+	TP_PROTO(struct ieee80211_local *local, u8 tx_ant, u8 rx_ant, int ret),
+
+	TP_ARGS(local, tx_ant, rx_ant, ret),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		__field(u8, tx_ant)
+		__field(u8, rx_ant)
+		__field(int, ret)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		__entry->tx_ant = tx_ant;
+		__entry->rx_ant = rx_ant;
+		__entry->ret = ret;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " tx_ant:%d rx_ant:%d ret:%d",
+		LOCAL_PR_ARG, __entry->tx_ant, __entry->rx_ant, __entry->ret
+	)
+);
+
+TRACE_EVENT(drv_get_antenna,
+	TP_PROTO(struct ieee80211_local *local, u8 tx_ant, u8 rx_ant, int ret),
+
+	TP_ARGS(local, tx_ant, rx_ant, ret),
+
+	TP_STRUCT__entry(
+		LOCAL_ENTRY
+		__field(u8, tx_ant)
+		__field(u8, rx_ant)
+		__field(int, ret)
+	),
+
+	TP_fast_assign(
+		LOCAL_ASSIGN;
+		__entry->tx_ant = tx_ant;
+		__entry->rx_ant = rx_ant;
+		__entry->ret = ret;
+	),
+
+	TP_printk(
+		LOCAL_PR_FMT " tx_ant:%d rx_ant:%d ret:%d",
+		LOCAL_PR_ARG, __entry->tx_ant, __entry->rx_ant, __entry->ret
+	)
+);
+
 /*
  * Tracing for API calls that drivers call.
  */