mac802154: main: move open and close into iface

These functions can be static inside the iface file, because it's not
used anywhere else. This patch moves these functions into iface file.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
index dafb2c3ac109..0b21413081f1 100644
--- a/net/mac802154/iface.c
+++ b/net/mac802154/iface.c
@@ -142,6 +142,46 @@ void mac802154_get_mac_params(struct net_device *dev,
 	mutex_unlock(&sdata->local->iflist_mtx);
 }
 
+static int mac802154_slave_open(struct net_device *dev)
+{
+	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
+	struct ieee802154_sub_if_data *subif;
+	struct ieee802154_local *local = sdata->local;
+	int res = 0;
+
+	ASSERT_RTNL();
+
+	if (sdata->type == IEEE802154_DEV_WPAN) {
+		mutex_lock(&sdata->local->iflist_mtx);
+		list_for_each_entry(subif, &sdata->local->interfaces, list) {
+			if (subif != sdata && subif->type == sdata->type &&
+			    subif->running) {
+				mutex_unlock(&sdata->local->iflist_mtx);
+				return -EBUSY;
+			}
+		}
+		mutex_unlock(&sdata->local->iflist_mtx);
+	}
+
+	mutex_lock(&sdata->local->iflist_mtx);
+	sdata->running = true;
+	mutex_unlock(&sdata->local->iflist_mtx);
+
+	if (local->open_count++ == 0) {
+		res = local->ops->start(&local->hw);
+		WARN_ON(res);
+		if (res)
+			goto err;
+	}
+
+	netif_start_queue(dev);
+	return 0;
+err:
+	sdata->local->open_count--;
+
+	return res;
+}
+
 static int mac802154_wpan_open(struct net_device *dev)
 {
 	int rc;
@@ -201,6 +241,25 @@ out:
 	return rc;
 }
 
+static int mac802154_slave_close(struct net_device *dev)
+{
+	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
+	struct ieee802154_local *local = sdata->local;
+
+	ASSERT_RTNL();
+
+	netif_stop_queue(dev);
+
+	mutex_lock(&sdata->local->iflist_mtx);
+	sdata->running = false;
+	mutex_unlock(&sdata->local->iflist_mtx);
+
+	if (!--local->open_count)
+		local->ops->stop(&local->hw);
+
+	return 0;
+}
+
 static int mac802154_set_header_security(struct ieee802154_sub_if_data *sdata,
 					 struct ieee802154_hdr *hdr,
 					 const struct ieee802154_mac_cb *cb)