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[0]; 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