linux/net/ipv6/ila/ila_xlat.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/jhash.h>
#include <linux/netfilter.h>
#include <linux/rcupdate.h>
#include <linux/rhashtable.h>
#include <linux/vmalloc.h>
#include <net/genetlink.h>
#include <net/netns/generic.h>
#include <uapi/linux/genetlink.h>
#include "ila.h"

struct ila_xlat_params { … };

struct ila_map { … };

#define MAX_LOCKS …
#define LOCKS_PER_CPU …

static int alloc_ila_locks(struct ila_net *ilan)
{ … }

static u32 hashrnd __read_mostly;
static __always_inline void __ila_hash_secret_init(void)
{ … }

static inline u32 ila_locator_hash(struct ila_locator loc)
{ … }

static inline spinlock_t *ila_get_lock(struct ila_net *ilan,
				       struct ila_locator loc)
{ … }

static inline int ila_cmp_wildcards(struct ila_map *ila,
				    struct ila_addr *iaddr, int ifindex)
{ … }

static inline int ila_cmp_params(struct ila_map *ila,
				 struct ila_xlat_params *xp)
{ … }

static int ila_cmpfn(struct rhashtable_compare_arg *arg,
		     const void *obj)
{ … }

static inline int ila_order(struct ila_map *ila)
{ … }

static const struct rhashtable_params rht_params = …;

static int parse_nl_config(struct genl_info *info,
			   struct ila_xlat_params *xp)
{ … }

/* Must be called with rcu readlock */
static inline struct ila_map *ila_lookup_wildcards(struct ila_addr *iaddr,
						   int ifindex,
						   struct ila_net *ilan)
{ … }

/* Must be called with rcu readlock */
static inline struct ila_map *ila_lookup_by_params(struct ila_xlat_params *xp,
						   struct ila_net *ilan)
{ … }

static inline void ila_release(struct ila_map *ila)
{ … }

static void ila_free_node(struct ila_map *ila)
{ … }

static void ila_free_cb(void *ptr, void *arg)
{ … }

static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila);

static unsigned int
ila_nf_input(void *priv,
	     struct sk_buff *skb,
	     const struct nf_hook_state *state)
{ … }

static const struct nf_hook_ops ila_nf_hook_ops[] = …;

static int ila_add_mapping(struct net *net, struct ila_xlat_params *xp)
{ … }

static int ila_del_mapping(struct net *net, struct ila_xlat_params *xp)
{ … }

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

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

static inline spinlock_t *lock_from_ila_map(struct ila_net *ilan,
					    struct ila_map *ila)
{ … }

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

static int ila_fill_info(struct ila_map *ila, struct sk_buff *msg)
{ … }

static int ila_dump_info(struct ila_map *ila,
			 u32 portid, u32 seq, u32 flags,
			 struct sk_buff *skb, u8 cmd)
{ … }

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

struct ila_dump_iter { … };

int ila_xlat_nl_dump_start(struct netlink_callback *cb)
{ … }

int ila_xlat_nl_dump_done(struct netlink_callback *cb)
{ … }

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

int ila_xlat_init_net(struct net *net)
{ … }

void ila_xlat_pre_exit_net(struct net *net)
{ … }

void ila_xlat_exit_net(struct net *net)
{ … }

static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila)
{ … }