linux/drivers/net/ieee802154/mac802154_hwsim.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * HWSIM IEEE 802.15.4 interface
 *
 * (C) 2018 Mojatau, Alexander Aring <[email protected]>
 * Copyright 2007-2012 Siemens AG
 *
 * Based on fakelb, original Written by:
 * Sergey Lapin <[email protected]>
 * Dmitry Eremin-Solenikov <[email protected]>
 * Alexander Smirnov <[email protected]>
 */

#include <linux/module.h>
#include <linux/timer.h>
#include <linux/platform_device.h>
#include <linux/rtnetlink.h>
#include <linux/netdevice.h>
#include <linux/device.h>
#include <linux/spinlock.h>
#include <net/ieee802154_netdev.h>
#include <net/mac802154.h>
#include <net/cfg802154.h>
#include <net/genetlink.h>
#include "mac802154_hwsim.h"

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

static LIST_HEAD(hwsim_phys);
static DEFINE_MUTEX(hwsim_phys_lock);

static struct platform_device *mac802154hwsim_dev;

/* MAC802154_HWSIM netlink family */
static struct genl_family hwsim_genl_family;

static int hwsim_radio_idx;

enum hwsim_multicast_groups { … };

static const struct genl_multicast_group hwsim_mcgrps[] = …;

struct hwsim_pib { … };

struct hwsim_edge_info { … };

struct hwsim_edge { … };

struct hwsim_phy { … };

static int hwsim_add_one(struct genl_info *info, struct device *dev,
			 bool init);
static void hwsim_del(struct hwsim_phy *phy);

static int hwsim_hw_ed(struct ieee802154_hw *hw, u8 *level)
{ … }

static int hwsim_update_pib(struct ieee802154_hw *hw, u8 page, u8 channel,
			    struct ieee802154_hw_addr_filt *filt,
			    enum ieee802154_filtering_level filt_level)
{ … }

static int hwsim_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
{ … }

static int hwsim_hw_addr_filt(struct ieee802154_hw *hw,
			      struct ieee802154_hw_addr_filt *filt,
			      unsigned long changed)
{ … }

static void hwsim_hw_receive(struct ieee802154_hw *hw, struct sk_buff *skb,
			     u8 lqi)
{ … }

static int hwsim_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
{ … }

static int hwsim_hw_start(struct ieee802154_hw *hw)
{ … }

static void hwsim_hw_stop(struct ieee802154_hw *hw)
{ … }

static int
hwsim_set_promiscuous_mode(struct ieee802154_hw *hw, const bool on)
{ … }

static const struct ieee802154_ops hwsim_ops = …;

static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
{ … }

static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
{ … }

static int append_radio_msg(struct sk_buff *skb, struct hwsim_phy *phy)
{ … }

static int hwsim_get_radio(struct sk_buff *skb, struct hwsim_phy *phy,
			   u32 portid, u32 seq,
			   struct netlink_callback *cb, int flags)
{ … }

static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
{ … }

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

/* caller need to held hwsim_phys_lock */
static struct hwsim_phy *hwsim_get_radio_by_id(uint32_t idx)
{ … }

static const struct nla_policy hwsim_edge_policy[MAC802154_HWSIM_EDGE_ATTR_MAX + 1] = …;

static struct hwsim_edge *hwsim_alloc_edge(struct hwsim_phy *endpoint, u8 lqi)
{ … }

static void hwsim_free_edge(struct hwsim_edge *e)
{ … }

static int hwsim_new_edge_nl(struct sk_buff *msg, struct genl_info *info)
{ … }

static int hwsim_del_edge_nl(struct sk_buff *msg, struct genl_info *info)
{ … }

static int hwsim_set_edge_lqi(struct sk_buff *msg, struct genl_info *info)
{ … }

/* MAC802154_HWSIM netlink policy */

static const struct nla_policy hwsim_genl_policy[MAC802154_HWSIM_ATTR_MAX + 1] = …;

/* Generic Netlink operations array */
static const struct genl_small_ops hwsim_nl_ops[] = …;

static struct genl_family hwsim_genl_family __ro_after_init = …;

static void hwsim_mcast_config_msg(struct sk_buff *mcast_skb,
				   struct genl_info *info)
{ … }

static void hwsim_mcast_new_radio(struct genl_info *info, struct hwsim_phy *phy)
{ … }

static void hwsim_edge_unsubscribe_me(struct hwsim_phy *phy)
{ … }

static int hwsim_subscribe_all_others(struct hwsim_phy *phy)
{ … }

static int hwsim_add_one(struct genl_info *info, struct device *dev,
			 bool init)
{ … }

static void hwsim_del(struct hwsim_phy *phy)
{ … }

static int hwsim_probe(struct platform_device *pdev)
{ … }

static void hwsim_remove(struct platform_device *pdev)
{ … }

static struct platform_driver mac802154hwsim_driver = …;

static __init int hwsim_init_module(void)
{ … }

static __exit void hwsim_remove_module(void)
{ … }

module_init(…) …;
module_exit(hwsim_remove_module);