clip_tbl.h
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/*
* 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.
*/
struct clip_entry {
spinlock_t lock; /* Hold while modifying clip reference */
atomic_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[0];
};
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);