linux-imx

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * Copyright (c) 2014 Nicira, Inc.

 */

​

#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;