linux/net/ipv6/xfrm6_policy.c

// SPDX-License-Identifier: GPL-2.0
/*
 * xfrm6_policy.c: based on xfrm4_policy.c
 *
 * Authors:
 *	Mitsuru KANDA @USAGI
 *	Kazunori MIYAZAWA @USAGI
 *	Kunihiro Ishiguro <[email protected]>
 *		IPv6 support
 *	YOSHIFUJI Hideaki
 *		Split up af-specific portion
 *
 */

#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <net/addrconf.h>
#include <net/dst.h>
#include <net/xfrm.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
#include <net/l3mdev.h>

static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif,
					  const xfrm_address_t *saddr,
					  const xfrm_address_t *daddr,
					  u32 mark)
{ … }

static int xfrm6_get_saddr(struct net *net, int oif,
			   xfrm_address_t *saddr, xfrm_address_t *daddr,
			   u32 mark)
{ … }

static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
			  const struct flowi *fl)
{ … }

static void xfrm6_update_pmtu(struct dst_entry *dst, struct sock *sk,
			      struct sk_buff *skb, u32 mtu,
			      bool confirm_neigh)
{ … }

static void xfrm6_redirect(struct dst_entry *dst, struct sock *sk,
			   struct sk_buff *skb)
{ … }

static void xfrm6_dst_destroy(struct dst_entry *dst)
{ … }

static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
{ … }

static struct dst_ops xfrm6_dst_ops_template = …;

static const struct xfrm_policy_afinfo xfrm6_policy_afinfo = …;

static int __init xfrm6_policy_init(void)
{ … }

static void xfrm6_policy_fini(void)
{ … }

#ifdef CONFIG_SYSCTL
static struct ctl_table xfrm6_policy_table[] = …;

static int __net_init xfrm6_net_sysctl_init(struct net *net)
{ … }

static void __net_exit xfrm6_net_sysctl_exit(struct net *net)
{ … }
#else /* CONFIG_SYSCTL */
static inline int xfrm6_net_sysctl_init(struct net *net)
{
	return 0;
}

static inline void xfrm6_net_sysctl_exit(struct net *net)
{
}
#endif

static int __net_init xfrm6_net_init(struct net *net)
{ … }

static void __net_exit xfrm6_net_exit(struct net *net)
{ … }

static struct pernet_operations xfrm6_net_ops = …;

int __init xfrm6_init(void)
{ … }

void xfrm6_fini(void)
{ … }