| 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 | |
| 15 | struct 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 | |
| 25 | struct 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 | |
| 35 | enum { |
| 36 | CLIPT_MIN_HASH_BUCKETS = 2, |
| 37 | }; |
| 38 | |
| 39 | struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, |
| 40 | unsigned int clipt_end); |
| 41 | int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6); |
| 42 | void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6); |
| 43 | int clip_tbl_show(struct seq_file *seq, void *v); |
| 44 | int cxgb4_update_root_dev_clip(struct net_device *dev); |
| 45 | void t4_cleanup_clip_tbl(struct adapter *adap); |
| 46 |