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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* connector.h
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*
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* 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
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* All rights reserved.
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*/
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#ifndef __CONNECTOR_H
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#define __CONNECTOR_H
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#include <linux/refcount.h>
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#include <linux/list.h>
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#include <linux/workqueue.h>
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#include <net/sock.h>
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#include <uapi/linux/connector.h>
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#define CN_CBQ_NAMELEN 32
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struct cn_queue_dev {
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atomic_t refcnt;
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unsigned char name[CN_CBQ_NAMELEN];
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struct list_head queue_list;
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spinlock_t queue_lock;
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struct sock *nls;
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};
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struct cn_callback_id {
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unsigned char name[CN_CBQ_NAMELEN];
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struct cb_id id;
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};
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struct cn_callback_entry {
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struct list_head callback_entry;
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refcount_t refcnt;
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struct cn_queue_dev *pdev;
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struct cn_callback_id id;
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void (*callback) (struct cn_msg *, struct netlink_skb_parms *);
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u32 seq, group;
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};
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struct cn_dev {
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struct cb_id id;
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u32 seq, groups;
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struct sock *nls;
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void (*input) (struct sk_buff *skb);
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struct cn_queue_dev *cbdev;
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};
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int cn_add_callback(struct cb_id *id, const char *name,
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void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
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void cn_del_callback(struct cb_id *);
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int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask);
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int cn_netlink_send(struct cn_msg *msg, u32 portid, u32 group, gfp_t gfp_mask);
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int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name,
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struct cb_id *id,
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void (*callback)(struct cn_msg *, struct netlink_skb_parms *));
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void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
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void cn_queue_release_callback(struct cn_callback_entry *);
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struct cn_queue_dev *cn_queue_alloc_dev(const char *name, struct sock *);
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void cn_queue_free_dev(struct cn_queue_dev *dev);
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int cn_cb_equal(struct cb_id *, struct cb_id *);
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#endif /* __CONNECTOR_H */
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