/*
 * Filtering ARP tables module.
 *
 * Copyright (C) 2002 David S. Miller (davem@redhat.com)
 *
 */

#include <linux/module.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_arp/arp_tables.h>
#include <linux/slab.h>

MODULE_LICENSE("GPL");
MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
MODULE_DESCRIPTION("arptables filter table");

#define FILTER_VALID_HOOKS ((1 << NF_ARP_IN) | (1 << NF_ARP_OUT) | \
			   (1 << NF_ARP_FORWARD))

static int __net_init arptable_filter_table_init(struct net *net);

static const struct xt_table packet_filter = {
	.name		= "filter",
	.valid_hooks	= FILTER_VALID_HOOKS,
	.me		= THIS_MODULE,
	.af		= NFPROTO_ARP,
	.priority	= NF_IP_PRI_FILTER,
	.table_init	= arptable_filter_table_init,
};

/* The work comes in here from netfilter.c */
static unsigned int
arptable_filter_hook(void *priv, struct sk_buff *skb,
		     const struct nf_hook_state *state)
{
	return arpt_do_table(skb, state, state->net->ipv4.arptable_filter);
}

static struct nf_hook_ops *arpfilter_ops __read_mostly;

static int __net_init arptable_filter_table_init(struct net *net)
{
	struct arpt_replace *repl;
	int err;

	if (net->ipv4.arptable_filter)
		return 0;

	repl = arpt_alloc_initial_table(&packet_filter);
	if (repl == NULL)
		return -ENOMEM;
	err = arpt_register_table(net, &packet_filter, repl, arpfilter_ops,
				  &net->ipv4.arptable_filter);
	kfree(repl);
	return err;
}

static void __net_exit arptable_filter_net_exit(struct net *net)
{
	if (!net->ipv4.arptable_filter)
		return;
	arpt_unregister_table(net, net->ipv4.arptable_filter, arpfilter_ops);
	net->ipv4.arptable_filter = NULL;
}

static struct pernet_operations arptable_filter_net_ops = {
	.exit = arptable_filter_net_exit,
};

static int __init arptable_filter_init(void)
{
	int ret;

	arpfilter_ops = xt_hook_ops_alloc(&packet_filter, arptable_filter_hook);
	if (IS_ERR(arpfilter_ops))
		return PTR_ERR(arpfilter_ops);

	ret = register_pernet_subsys(&arptable_filter_net_ops);
	if (ret < 0) {
		kfree(arpfilter_ops);
		return ret;
	}

	ret = arptable_filter_table_init(&init_net);
	if (ret) {
		unregister_pernet_subsys(&arptable_filter_net_ops);
		kfree(arpfilter_ops);
	}

	return ret;
}

static void __exit arptable_filter_fini(void)
{
	unregister_pernet_subsys(&arptable_filter_net_ops);
	kfree(arpfilter_ops);
}

module_init(arptable_filter_init);
module_exit(arptable_filter_fini);
e='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'/><select name='qt'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>appletalk</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/Makefile?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>Makefile</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Roger Shimizu &lt;rogershimizu@gmail.com&gt;</td><td class='right'>2017-01-30 20:07:29 +0900</td></tr>
<tr><th>committer</th><td>Gregory CLEMENT &lt;gregory.clement@free-electrons.com&gt;</td><td class='right'>2017-01-31 12:19:32 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/Makefile?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>81917bad86a66f2bdcb12b4c10ab1bf333ed25ec</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/appletalk/Makefile?id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>3d56cb771fc5f0a37412e62f99aacc6d21a646c0</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/appletalk/Makefile?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>net/appletalk/Makefile</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/appletalk/Makefile?h=nds-private-remove&amp;id=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>0c744ea4f77d72b3dcebb7a8f2684633ec79be88</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/appletalk/Makefile?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>diff</a>)</td></tr></table>
<div class='commit-subject'>ARM: dts: orion5x-lschl: Fix model name</div><div class='commit-msg'>Model name should be consistent with legacy device file, so that user
can migrate their system from legacy device support to device-tree
safely.

Legacy device file is currently removed, but it can be found on 4.8
or previous version of linux:
  arch/arm/mach-orion5x/ls-chl-setup.c

Fixes: f94f268979a2 ("ARM: dts: orion5x: convert ls-chl to FDT")
Cc: Ashley Hughes &lt;ashley.hughes@blueyonder.co.uk&gt;
Signed-off-by: Roger Shimizu &lt;rogershimizu@gmail.com&gt;
Signed-off-by: Gregory CLEMENT &lt;gregory.clement@free-electrons.com&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>Diffstat</a> (limited to 'net/appletalk/Makefile')</div><table summary='diffstat' class='diffstat'>