/*
 *  This file is part of the Chelsio T4 Ethernet driver for Linux.
 *  Copyright (C) 2003-2014 Chelsio Communications.  All rights reserved.
 *
 *  Written by Deepak (deepak.s@chelsio.com)
 *
 *  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 LICENSE file included in this
 *  release for licensing terms and conditions.
 */

#include <linux/refcount.h>

struct clip_entry {
        spinlock_t lock;        /* Hold while modifying clip reference */
        refcount_t refcnt;
        struct list_head list;
        union {
                struct sockaddr_in addr;
                struct sockaddr_in6 addr6;
        };
};

struct clip_tbl {
        unsigned int clipt_start;
        unsigned int clipt_size;
        rwlock_t lock;
        atomic_t nfree;
        struct list_head ce_free_head;
        void *cl_list;
        struct list_head hash_list[] __counted_by(clipt_size);
};

enum {
        CLIPT_MIN_HASH_BUCKETS = 2,
};

struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
                                  unsigned int clipt_end);
int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6);
void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6);
int clip_tbl_show(struct seq_file *seq, void *v);
int cxgb4_update_root_dev_clip(struct net_device *dev);
void t4_cleanup_clip_tbl(struct adapter *adap);