mac80211: Add antenna configuration

Allow antenna configuration by calling driver's function for it.

We disallow antenna configuration if the wiphy is already running, mainly to
make life easier for 802.11n drivers which need to recalculate HT capabilites.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 431d65500d6a..c2772f23ac9c 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -883,6 +883,56 @@ TRACE_EVENT(drv_channel_switch,
         )
 );
 
+TRACE_EVENT(drv_set_antenna,
+        TP_PROTO(struct ieee80211_local *local, u32 tx_ant, u32 rx_ant, int ret),
+
+        TP_ARGS(local, tx_ant, rx_ant, ret),
+
+        TP_STRUCT__entry(
+                LOCAL_ENTRY
+                __field(u32, tx_ant)
+                __field(u32, 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, u32 tx_ant, u32 rx_ant, int ret),
+
+        TP_ARGS(local, tx_ant, rx_ant, ret),
+
+        TP_STRUCT__entry(
+                LOCAL_ENTRY
+                __field(u32, tx_ant)
+                __field(u32, 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.
  */