linux/drivers/net/wireguard/netlink.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2015-2019 Jason A. Donenfeld <[email protected]>. All Rights Reserved.
 */

#include "netlink.h"
#include "device.h"
#include "peer.h"
#include "socket.h"
#include "queueing.h"
#include "messages.h"

#include <uapi/linux/wireguard.h>

#include <linux/if.h>
#include <net/genetlink.h>
#include <net/sock.h>
#include <crypto/utils.h>

static struct genl_family genl_family;

static const struct nla_policy device_policy[WGDEVICE_A_MAX + 1] = …;

static const struct nla_policy peer_policy[WGPEER_A_MAX + 1] = …;

static const struct nla_policy allowedip_policy[WGALLOWEDIP_A_MAX + 1] = …;

static struct wg_device *lookup_interface(struct nlattr **attrs,
					  struct sk_buff *skb)
{ … }

static int get_allowedips(struct sk_buff *skb, const u8 *ip, u8 cidr,
			  int family)
{ … }

struct dump_ctx { … };

#define DUMP_CTX(cb) …

static int
get_peer(struct wg_peer *peer, struct sk_buff *skb, struct dump_ctx *ctx)
{ … }

static int wg_get_device_start(struct netlink_callback *cb)
{ … }

static int wg_get_device_dump(struct sk_buff *skb, struct netlink_callback *cb)
{ … }

static int wg_get_device_done(struct netlink_callback *cb)
{ … }

static int set_port(struct wg_device *wg, u16 port)
{ … }

static int set_allowedip(struct wg_peer *peer, struct nlattr **attrs)
{ … }

static int set_peer(struct wg_device *wg, struct nlattr **attrs)
{ … }

static int wg_set_device(struct sk_buff *skb, struct genl_info *info)
{ … }

static const struct genl_ops genl_ops[] = …;

static struct genl_family genl_family __ro_after_init = …;

int __init wg_genetlink_init(void)
{ … }

void __exit wg_genetlink_uninit(void)
{ … }