libertas: decouple mesh and rtap

While it's might be technically true that only MESH-enabled firmwares
are also RTAP-enabled, I like to have this decoupled.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 17 insertions, 2 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index b0799e347ba2..ad3434011897 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1062,6 +1062,17 @@ void lbs_remove_card(struct lbs_private *priv)
 EXPORT_SYMBOL_GPL(lbs_remove_card);
 
 
+static int lbs_rtap_supported(struct lbs_private *priv)
+{
+        if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5)
+                return 1;
+
+        /* newer firmware use a capability mask */
+        return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) &&
+                (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK));
+}
+
+
 int lbs_start_card(struct lbs_private *priv)
 {
         struct net_device *dev = priv->dev;
@@ -1081,12 +1092,14 @@ int lbs_start_card(struct lbs_private *priv)
 
         lbs_update_channel(priv);
 
+        lbs_init_mesh(priv);
+
         /*
          * While rtap isn't related to mesh, only mesh-enabled
          * firmware implements the rtap functionality via
          * CMD_802_11_MONITOR_MODE.
          */
-        if (lbs_init_mesh(priv)) {
+        if (lbs_rtap_supported(priv)) {
                 if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
                         lbs_pr_err("cannot register lbs_rtap attribute\n");
         }
@@ -1120,7 +1133,9 @@ void lbs_stop_card(struct lbs_private *priv)
         netif_carrier_off(dev);
 
         lbs_debugfs_remove_one(priv);
-        if (lbs_deinit_mesh(priv))
+        lbs_deinit_mesh(priv);
+
+        if (lbs_rtap_supported(priv))
                 device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
 
         /* Delete the timeout of the currently processing command */