linux/net/netfilter/nft_tunnel.c

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/seqlock.h>
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_tables.h>
#include <net/netfilter/nf_tables.h>
#include <net/dst_metadata.h>
#include <net/ip_tunnels.h>
#include <net/vxlan.h>
#include <net/erspan.h>
#include <net/geneve.h>

struct nft_tunnel { … };

static void nft_tunnel_get_eval(const struct nft_expr *expr,
				struct nft_regs *regs,
				const struct nft_pktinfo *pkt)
{ … }

static const struct nla_policy nft_tunnel_policy[NFTA_TUNNEL_MAX + 1] = …;

static int nft_tunnel_get_init(const struct nft_ctx *ctx,
			       const struct nft_expr *expr,
			       const struct nlattr * const tb[])
{ … }

static int nft_tunnel_get_dump(struct sk_buff *skb,
			       const struct nft_expr *expr, bool reset)
{ … }

static bool nft_tunnel_get_reduce(struct nft_regs_track *track,
				  const struct nft_expr *expr)
{ … }

static struct nft_expr_type nft_tunnel_type;
static const struct nft_expr_ops nft_tunnel_get_ops = …;

static struct nft_expr_type nft_tunnel_type __read_mostly = …;

struct nft_tunnel_opts { … };

struct nft_tunnel_obj { … };

static const struct nla_policy nft_tunnel_ip_policy[NFTA_TUNNEL_KEY_IP_MAX + 1] = …;

static int nft_tunnel_obj_ip_init(const struct nft_ctx *ctx,
				  const struct nlattr *attr,
				  struct ip_tunnel_info *info)
{ … }

static const struct nla_policy nft_tunnel_ip6_policy[NFTA_TUNNEL_KEY_IP6_MAX + 1] = …;

static int nft_tunnel_obj_ip6_init(const struct nft_ctx *ctx,
				   const struct nlattr *attr,
				   struct ip_tunnel_info *info)
{ … }

static const struct nla_policy nft_tunnel_opts_vxlan_policy[NFTA_TUNNEL_KEY_VXLAN_MAX + 1] = …;

static int nft_tunnel_obj_vxlan_init(const struct nlattr *attr,
				     struct nft_tunnel_opts *opts)
{ … }

static const struct nla_policy nft_tunnel_opts_erspan_policy[NFTA_TUNNEL_KEY_ERSPAN_MAX + 1] = …;

static int nft_tunnel_obj_erspan_init(const struct nlattr *attr,
				      struct nft_tunnel_opts *opts)
{ … }

static const struct nla_policy nft_tunnel_opts_geneve_policy[NFTA_TUNNEL_KEY_GENEVE_MAX + 1] = …;

static int nft_tunnel_obj_geneve_init(const struct nlattr *attr,
				      struct nft_tunnel_opts *opts)
{ … }

static const struct nla_policy nft_tunnel_opts_policy[NFTA_TUNNEL_KEY_OPTS_MAX + 1] = …;

static int nft_tunnel_obj_opts_init(const struct nft_ctx *ctx,
				    const struct nlattr *attr,
				    struct ip_tunnel_info *info,
				    struct nft_tunnel_opts *opts)
{ … }

static const struct nla_policy nft_tunnel_key_policy[NFTA_TUNNEL_KEY_MAX + 1] = …;

static int nft_tunnel_obj_init(const struct nft_ctx *ctx,
			       const struct nlattr * const tb[],
			       struct nft_object *obj)
{ … }

static inline void nft_tunnel_obj_eval(struct nft_object *obj,
				       struct nft_regs *regs,
				       const struct nft_pktinfo *pkt)
{ … }

static int nft_tunnel_ip_dump(struct sk_buff *skb, struct ip_tunnel_info *info)
{ … }

static int nft_tunnel_opts_dump(struct sk_buff *skb,
				struct nft_tunnel_obj *priv)
{ … }

static int nft_tunnel_ports_dump(struct sk_buff *skb,
				 struct ip_tunnel_info *info)
{ … }

static int nft_tunnel_flags_dump(struct sk_buff *skb,
				 struct ip_tunnel_info *info)
{ … }

static int nft_tunnel_obj_dump(struct sk_buff *skb,
			       struct nft_object *obj, bool reset)
{ … }

static void nft_tunnel_obj_destroy(const struct nft_ctx *ctx,
				   struct nft_object *obj)
{ … }

static struct nft_object_type nft_tunnel_obj_type;
static const struct nft_object_ops nft_tunnel_obj_ops = …;

static struct nft_object_type nft_tunnel_obj_type __read_mostly = …;

static int __init nft_tunnel_module_init(void)
{ … }

static void __exit nft_tunnel_module_exit(void)
{ … }

module_init(…) …;
module_exit(nft_tunnel_module_exit);

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
MODULE_ALIAS_NFT_EXPR(…) …;
MODULE_ALIAS_NFT_OBJ(…);
MODULE_DESCRIPTION(…) …;