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kernel/linux-rt-4.4.41/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.h 1.27 KB
5113f6f70   김현기   kernel add
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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);