linux/net/6lowpan/ndisc.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *
 * Authors:
 * (C) 2016 Pengutronix, Alexander Aring <[email protected]>
 */

#include <net/6lowpan.h>
#include <net/addrconf.h>
#include <net/ndisc.h>

#include "6lowpan_i.h"

static int lowpan_ndisc_is_useropt(u8 nd_opt_type)
{ … }

#if IS_ENABLED(CONFIG_IEEE802154_6LOWPAN)
#define NDISC_802154_SHORT_ADDR_LENGTH …
static int lowpan_ndisc_parse_802154_options(const struct net_device *dev,
					     struct nd_opt_hdr *nd_opt,
					     struct ndisc_options *ndopts)
{ … }

static int lowpan_ndisc_parse_options(const struct net_device *dev,
				      struct nd_opt_hdr *nd_opt,
				      struct ndisc_options *ndopts)
{ … }

static void lowpan_ndisc_802154_update(struct neighbour *n, u32 flags,
				       u8 icmp6_type,
				       const struct ndisc_options *ndopts)
{ … }

static void lowpan_ndisc_update(const struct net_device *dev,
				struct neighbour *n, u32 flags, u8 icmp6_type,
				const struct ndisc_options *ndopts)
{ … }

static int lowpan_ndisc_opt_addr_space(const struct net_device *dev,
				       u8 icmp6_type, struct neighbour *neigh,
				       u8 *ha_buf, u8 **ha)
{ … }

static void lowpan_ndisc_fill_addr_option(const struct net_device *dev,
					  struct sk_buff *skb, u8 icmp6_type,
					  const u8 *ha)
{ … }

static void lowpan_ndisc_prefix_rcv_add_addr(struct net *net,
					     struct net_device *dev,
					     const struct prefix_info *pinfo,
					     struct inet6_dev *in6_dev,
					     struct in6_addr *addr,
					     int addr_type, u32 addr_flags,
					     bool sllao, bool tokenized,
					     __u32 valid_lft,
					     u32 prefered_lft,
					     bool dev_addr_generated)
{ … }
#endif

const struct ndisc_ops lowpan_ndisc_ops = …;