diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/connector.h |
Initial import
Diffstat (limited to 'include/linux/connector.h')
-rw-r--r-- | include/linux/connector.h | 88 |
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 */ |