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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/connector.h
Initial import
Diffstat (limited to 'include/linux/connector.h')
-rw-r--r--include/linux/connector.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/include/linux/connector.h b/include/linux/connector.h
new file mode 100644
index 000000000..f8fe8637d
--- /dev/null
+++ b/include/linux/connector.h
@@ -0,0 +1,88 @@
+/*
+ * connector.h
+ *
+ * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
+ * All rights reserved.
+ *
+ * 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
+ */
+#ifndef __CONNECTOR_H
+#define __CONNECTOR_H
+
+
+#include <linux/atomic.h>
+
+#include <linux/list.h>
+#include <linux/workqueue.h>
+
+#include <net/sock.h>
+#include <uapi/linux/connector.h>
+
+#define CN_CBQ_NAMELEN 32
+
+struct cn_queue_dev {
+ atomic_t refcnt;
+ unsigned char name[CN_CBQ_NAMELEN];
+
+ struct list_head queue_list;
+ spinlock_t queue_lock;
+
+ struct sock *nls;
+};
+
+struct cn_callback_id {
+ unsigned char name[CN_CBQ_NAMELEN];
+ struct cb_id id;
+};
+
+struct cn_callback_entry {
+ struct list_head callback_entry;
+ atomic_t refcnt;
+ struct cn_queue_dev *pdev;
+
+ struct cn_callback_id id;
+ void (*callback) (struct cn_msg *, struct netlink_skb_parms *);
+
+ u32 seq, group;
+};
+
+struct cn_dev {
+ struct cb_id id;
+
+ u32 seq, groups;
+ struct sock *nls;
+ void (*input) (struct sk_buff *skb);
+
+ struct cn_queue_dev *cbdev;
+};
+
+int cn_add_callback(struct cb_id *id, const char *name,
+ void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
+void cn_del_callback(struct cb_id *);
+int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask);
+int cn_netlink_send(struct cn_msg *msg, u32 portid, u32 group, gfp_t gfp_mask);
+
+int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
+ struct cb_id *id,
+ void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
+void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
+void cn_queue_release_callback(struct cn_callback_entry *);
+
+struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *);
+void cn_queue_free_dev(struct cn_queue_dev *dev);
+
+int cn_cb_equal(struct cb_id *, struct cb_id *);
+
+#endif /* __CONNECTOR_H */