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 struct clip_entry { 14 spinlock_t lock; /* Hold while modifying clip reference */ 15 atomic_t refcnt; 16 struct list_head list; 17 union { 18 struct sockaddr_in addr; 19 struct sockaddr_in6 addr6; 20 }; 21 }; 22 23 struct clip_tbl { 24 unsigned int clipt_start; 25 unsigned int clipt_size; 26 rwlock_t lock; 27 atomic_t nfree; 28 struct list_head ce_free_head; 29 void *cl_list; 30 struct list_head hash_list[0]; 31 }; 32 33 enum { 34 CLIPT_MIN_HASH_BUCKETS = 2, 35 }; 36 37 struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, 38 unsigned int clipt_end); 39 int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6); 40 void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6); 41 int clip_tbl_show(struct seq_file *seq, void *v); 42 int cxgb4_update_root_dev_clip(struct net_device *dev); 43 void t4_cleanup_clip_tbl(struct adapter *adap); 44