Allow antenna configuration by calling driver's function for it.
Signed-off-by: Bruno Randolf <b...@einfach.org>
---
include/net/mac80211.h | 2 ++
net/mac80211/cfg.c | 16 ++++++++++++++
net/mac80211/driver-ops.h | 23 ++++++++++++++++++++
net/mac80211/driver-trace.h | 50 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 91 insertions(+), 0 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 389e86a..d60edd8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1723,6 +1723,8 @@ struct ieee80211_ops {
void (*flush)(struct ieee80211_hw *hw, bool drop);
void (*channel_switch)(struct ieee80211_hw *hw,
struct ieee80211_channel_switch *ch_switch);
+ 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 c7000a6..efd04bc 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1560,6 +1560,20 @@ static int ieee80211_action(struct wiphy *wiphy, struct
net_device *dev,
channel_type, buf, len, cookie);
}
+static int ieee80211_set_antenna(struct wiphy *wiphy, u8 tx_ant, u8 rx_ant)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ 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,
@@ -1611,4 +1625,6 @@ struct cfg80211_ops mac80211_config_ops = {
.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
.action = ieee80211_action,
.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
+ .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 5662bb5..9974383 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -384,4 +384,27 @@ static inline void drv_channel_switch(struct
ieee80211_local *local,
trace_drv_channel_switch(local, ch_switch);
}
+
+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 6a9b234..8f08ff3 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -802,6 +802,56 @@ 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.
*/
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