/*
 * Copyright (c) 2014 Nicira, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/in.h>
#include <linux/ip.h>
#include <linux/net.h>
#include <linux/rculist.h>
#include <linux/udp.h>
#include <linux/if_vlan.h>
#include <linux/module.h>

#include <net/geneve.h>
#include <net/icmp.h>
#include <net/ip.h>
#include <net/route.h>
#include <net/udp.h>
#include <net/xfrm.h>

#include "datapath.h"
#include "vport.h"
#include "vport-netdev.h"

static struct vport_ops ovs_geneve_vport_ops;
/**
 * struct geneve_port - Keeps track of open UDP ports
 * @dst_port: destination port.
 */
struct geneve_port {
	u16 dst_port;
};

static inline struct geneve_port *geneve_vport(const struct vport *vport)
{
	return vport_priv(vport);
}

static int geneve_get_options(const struct vport *vport,
			      struct sk_buff *skb)
{
	struct geneve_port *geneve_port = geneve_vport(vport);

	if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, geneve_port->dst_port))
		return -EMSGSIZE;
	return 0;
}

static struct vport *geneve_tnl_create(const struct vport_parms *parms)
{
	struct net *net = ovs_dp_get_net(parms->dp);
	struct nlattr *options = parms->options;
	struct geneve_port *geneve_port;
	struct net_device *dev;
	struct vport *vport;
	struct nlattr *a;
	u16 dst_port;
	int err;

	if (!options) {
		err = -EINVAL;
		goto error;
	}

	a = nla_find_nested(options, OVS_TUNNEL_ATTR_DST_PORT);
	if (a && nla_len(a) == sizeof(u16)) {
		dst_port = nla_get_u16(a);
	} else {
		/* Require destination port from userspace. */
		err = -EINVAL;
		goto error;
	}

	vport = ovs_vport_alloc(sizeof(struct geneve_port),
				&ovs_geneve_vport_ops, parms);
	if (IS_ERR(vport))
		return vport;

	geneve_port = geneve_vport(vport);
	geneve_port->dst_port = dst_port;

	rtnl_lock();
	dev = geneve_dev_create_fb(net, parms->name, NET_NAME_USER, dst_port);
	if (IS_ERR(dev)) {
		rtnl_unlock();
		ovs_vport_free(vport);
		return ERR_CAST(dev);
	}

	err = dev_change_flags(dev, dev->flags | IFF_UP);
	if (err < 0) {
		rtnl_delete_link(dev);
		rtnl_unlock();
		ovs_vport_free(vport);
		goto error;
	}

	rtnl_unlock();
	return vport;
error:
	return ERR_PTR(err);
}

static struct vport *geneve_create(const struct vport_parms *parms)
{
	struct vport *vport;

	vport = geneve_tnl_create(parms);
	if (IS_ERR(vport))
		return vport;

	return ovs_netdev_link(vport, parms->name);
}

static struct vport_ops ovs_geneve_vport_ops = {
	.type		= OVS_VPORT_TYPE_GENEVE,
	.create		= geneve_create,
	.destroy	= ovs_netdev_tunnel_destroy,
	.get_options	= geneve_get_options,
	.send		= dev_queue_xmit,
};

static int __init ovs_geneve_tnl_init(void)
{
	return ovs_vport_ops_register(&ovs_geneve_vport_ops);
}

static void __exit ovs_geneve_tnl_exit(void)
{
	ovs_vport_ops_unregister(&ovs_geneve_vport_ops);
}

module_init(ovs_geneve_tnl_init);
module_exit(ovs_geneve_tnl_exit);

MODULE_DESCRIPTION("OVS: Geneve switching port");
MODULE_LICENSE("GPL");
MODULE_ALIAS("vport-type-5");
efd7f363a168fba623ec00667a31945831ed'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/net/bluetooth?h=nds-private-remove&amp;id=c344efd7f363a168fba623ec00667a31945831ed'>bluetooth</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/net/bluetooth/sco.h?h=nds-private-remove&amp;id=c344efd7f363a168fba623ec00667a31945831ed'>sco.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/net/bluetooth/sco.h?h=nds-private-remove&amp;id=c344efd7f363a168fba623ec00667a31945831ed&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
trl'><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>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ipv4/tcp_output.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>fd816e548e12745d4776ad0bd661bec142d3ea06</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ipv4/tcp_output.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>net/ipv4/tcp_output.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ipv4/tcp_output.c?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'net/ipv4/tcp_output.c')</div><table summary='diffstat' class='diffstat'>