ipv6.h 2.7 KB
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
 * ipv6 in net namespaces
 */

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#include <net/inet_frag.h>

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#ifndef __NETNS_IPV6_H__
#define __NETNS_IPV6_H__
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#include <net/dst_ops.h>
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struct ctl_table_header;

struct netns_sysctl_ipv6 {
#ifdef CONFIG_SYSCTL
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	struct ctl_table_header *hdr;
	struct ctl_table_header *route_hdr;
	struct ctl_table_header *icmp_hdr;
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	struct ctl_table_header *frags_hdr;
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	struct ctl_table_header *xfrm6_hdr;
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#endif
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	int bindv6only;
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	int flush_delay;
	int ip6_rt_max_size;
	int ip6_rt_gc_min_interval;
	int ip6_rt_gc_timeout;
	int ip6_rt_gc_interval;
	int ip6_rt_gc_elasticity;
	int ip6_rt_mtu_expires;
	int ip6_rt_min_advmss;
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	int multipath_hash_policy;
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	int flowlabel_consistency;
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	int auto_flowlabels;
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	int icmpv6_time;
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	int anycast_src_echo_reply;
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	int ip_nonlocal_bind;
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	int fwmark_reflect;
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	int idgen_retries;
	int idgen_delay;
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	int flowlabel_state_ranges;
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	int flowlabel_reflect;
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	int max_dst_opts_cnt;
	int max_hbh_opts_cnt;
	int max_dst_opts_len;
	int max_hbh_opts_len;
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};

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struct netns_ipv6 {
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	struct netns_sysctl_ipv6 sysctl;
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	struct ipv6_devconf	*devconf_all;
	struct ipv6_devconf	*devconf_dflt;
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	struct inet_peer_base	*peers;
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	struct netns_frags	frags;
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#ifdef CONFIG_NETFILTER
	struct xt_table		*ip6table_filter;
	struct xt_table		*ip6table_mangle;
	struct xt_table		*ip6table_raw;
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#ifdef CONFIG_SECURITY
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	struct xt_table		*ip6table_security;
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#endif
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	struct xt_table		*ip6table_nat;
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#endif
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	struct rt6_info         *ip6_null_entry;
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	struct rt6_statistics   *rt6_stats;
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	struct timer_list       ip6_fib_timer;
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	struct hlist_head       *fib_table_hash;
	struct fib6_table       *fib6_main_tbl;
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	struct list_head	fib6_walkers;
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	struct dst_ops		ip6_dst_ops;
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	rwlock_t		fib6_walker_lock;
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	spinlock_t		fib6_gc_lock;
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	unsigned int		 ip6_rt_gc_expire;
	unsigned long		 ip6_rt_last_gc;
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#ifdef CONFIG_IPV6_MULTIPLE_TABLES
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	unsigned int		fib6_rules_require_fldissect;
	bool			fib6_has_custom_rules;
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	struct rt6_info         *ip6_prohibit_entry;
	struct rt6_info         *ip6_blk_hole_entry;
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	struct fib6_table       *fib6_local_tbl;
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	struct fib_rules_ops    *fib6_rules_ops;
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#endif
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	struct sock		**icmp_sk;
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	struct sock             *ndisc_sk;
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	struct sock             *tcp_sk;
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	struct sock             *igmp_sk;
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	struct sock		*mc_autojoin_sk;
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#ifdef CONFIG_IPV6_MROUTE
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#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
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	struct mr_table		*mrt6;
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#else
	struct list_head	mr6_tables;
	struct fib_rules_ops	*mr6_rules_ops;
#endif
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#endif
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	atomic_t		dev_addr_genid;
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	atomic_t		fib6_sernum;
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	struct seg6_pernet_data *seg6_data;
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	struct fib_notifier_ops	*notifier_ops;
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	struct {
		struct hlist_head head;
		spinlock_t	lock;
		u32		seq;
	} ip6addrlbl_table;
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};
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#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
struct netns_nf_frag {
	struct netns_sysctl_ipv6 sysctl;
	struct netns_frags	frags;
};
#endif

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#endif