1 files changed, 66 insertions, 0 deletions

diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
new file mode 100644
index 000000000000..2a82fb055c70
--- /dev/null
+++ b/drivers/w1/w1_netlink.c
@@ -0,0 +1,66 @@
+/*
+ * w1_netlink.c
+ *
+ * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/skbuff.h>
+#include <linux/netlink.h>
+
+#include "w1.h"
+#include "w1_log.h"
+#include "w1_netlink.h"
+
+#ifndef NETLINK_DISABLED
+void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
+{
+        unsigned int size;
+        struct sk_buff *skb;
+        struct w1_netlink_msg *data;
+        struct nlmsghdr *nlh;
+
+        if (!dev->nls)
+                return;
+
+        size = NLMSG_SPACE(sizeof(struct w1_netlink_msg));
+
+        skb = alloc_skb(size, GFP_ATOMIC);
+        if (!skb) {
+                dev_err(&dev->dev, "skb_alloc() failed.\n");
+                return;
+        }
+
+        nlh = NLMSG_PUT(skb, 0, dev->seq++, NLMSG_DONE, size - sizeof(*nlh));
+
+        data = (struct w1_netlink_msg *)NLMSG_DATA(nlh);
+
+        memcpy(data, msg, sizeof(struct w1_netlink_msg));
+
+        NETLINK_CB(skb).dst_groups = dev->groups;
+        netlink_broadcast(dev->nls, skb, 0, dev->groups, GFP_ATOMIC);
+
+nlmsg_failure:
+        return;
+}
+#else
+#warning Netlink support is disabled. Please compile with NET support enabled.
+
+void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
+{
+}
+#endif