linux-imx

/*

 * Copyright (c) 2007-2014 Nicira, Inc.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of version 2 of the GNU General Public

 * License as published by the Free Software Foundation.

 *

 * 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 GNU

 * General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA

 */

​

#include "flow.h"

#include "datapath.h"

#include "flow_netlink.h"

#include <linux/uaccess.h>

#include <linux/netdevice.h>

#include <linux/etherdevice.h>

#include <linux/if_ether.h>

#include <linux/if_vlan.h>

#include <net/llc_pdu.h>

#include <linux/kernel.h>

#include <linux/jhash.h>

#include <linux/jiffies.h>

#include <linux/llc.h>

#include <linux/module.h>

#include <linux/in.h>

#include <linux/rcupdate.h>

#include <linux/cpumask.h>

#include <linux/if_arp.h>

#include <linux/ip.h>

#include <linux/ipv6.h>

#include <linux/sctp.h>

#include <linux/tcp.h>

#include <linux/udp.h>

#include <linux/icmp.h>

#include <linux/icmpv6.h>

#include <linux/rculist.h>

#include <net/ip.h>

#include <net/ipv6.h>

#include <net/ndisc.h>

​

#define TBL_MIN_BUCKETS     1024

#define REHASH_INTERVAL     (10 * 60 * HZ)

​

static struct kmem_cache *flow_cache;

struct kmem_cache *flow_stats_cache __read_mostly;

​

static u16 range_n_bytes(const struct sw_flow_key_range *range)

{

    return range->end - range->start;

}

​

void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,

               bool full, const struct sw_flow_mask *mask)

{

    int start = full ? 0 : mask->range.start;