1/*
2 *  This file is part of the Chelsio T4 Ethernet driver for Linux.
3 *  Copyright (C) 2003-2014 Chelsio Communications.  All rights reserved.
4 *
5 *  Written by Deepak (deepak.s@chelsio.com)
6 *
7 *  This program is distributed in the hope that it will be useful, but WITHOUT
8 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9 *  FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
10 *  release for licensing terms and conditions.
11 */
12
13#include <linux/refcount.h>
14
15struct clip_entry {
16	spinlock_t lock;	/* Hold while modifying clip reference */
17	refcount_t refcnt;
18	struct list_head list;
19	union {
20		struct sockaddr_in addr;
21		struct sockaddr_in6 addr6;
22	};
23};
24
25struct clip_tbl {
26	unsigned int clipt_start;
27	unsigned int clipt_size;
28	rwlock_t lock;
29	atomic_t nfree;
30	struct list_head ce_free_head;
31	void *cl_list;
32	struct list_head hash_list[] __counted_by(clipt_size);
33};
34
35enum {
36	CLIPT_MIN_HASH_BUCKETS = 2,
37};
38
39struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
40				  unsigned int clipt_end);
41int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6);
42void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6);
43int clip_tbl_show(struct seq_file *seq, void *v);
44int cxgb4_update_root_dev_clip(struct net_device *dev);
45void t4_cleanup_clip_tbl(struct adapter *adap);
46