/* SPDX-License-Identifier: GPL-2.0 *//* * ipv6 in net namespaces */ #include <net/inet_frag.h> #ifndef __NETNS_IPV6_H__#define __NETNS_IPV6_H__#include <net/dst_ops.h>#include <uapi/linux/icmpv6.h> struct ctl_table_header; struct netns_sysctl_ipv6 {#ifdef CONFIG_SYSCTL	struct ctl_table_header *hdr;	struct ctl_table_header *route_hdr;	struct ctl_table_header *icmp_hdr;	struct ctl_table_header *frags_hdr;	struct ctl_table_header *xfrm6_hdr;#endif	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;	u32 multipath_hash_fields;	u8 multipath_hash_policy; 	__cacheline_group_begin(sysctl_ipv6_flowlabel);	u8 flowlabel_consistency;	u8 auto_flowlabels;	u8 flowlabel_state_ranges;	__cacheline_group_end(sysctl_ipv6_flowlabel); 	u8 icmpv6_echo_ignore_all;	u8 icmpv6_echo_ignore_multicast;	u8 icmpv6_echo_ignore_anycast;	int icmpv6_time;	DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);	unsigned long *icmpv6_ratemask_ptr;	u8 anycast_src_echo_reply;	u8 bindv6only;	u8 ip_nonlocal_bind;	u8 fwmark_reflect;	int idgen_retries;	int idgen_delay;	int flowlabel_reflect;	int max_dst_opts_cnt;	int max_hbh_opts_cnt;	int max_dst_opts_len;	int max_hbh_opts_len;	int seg6_flowlabel;	u32 ioam6_id;	u64 ioam6_id_wide;	u8 skip_notify_on_dev_down;	u8 fib_notify_on_flag_change;	u8 icmpv6_error_anycast_as_unicast;	u8 icmpv6_errors_extension_mask;}; struct netns_ipv6 {	/* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */	struct dst_ops		ip6_dst_ops; 	struct netns_sysctl_ipv6 sysctl;	struct ipv6_devconf	*devconf_all;	struct ipv6_devconf	*devconf_dflt;	struct inet_peer_base	*peers;	struct fqdir		*fqdir;	struct fib6_info	*fib6_null_entry;	struct rt6_info		*ip6_null_entry;	struct rt6_statistics   *rt6_stats;	struct timer_list       ip6_fib_timer;	struct hlist_head       *fib_table_hash;	spinlock_t		fib_table_hash_lock;	struct fib6_table       *fib6_main_tbl;	struct list_head	fib6_walkers;	rwlock_t		fib6_walker_lock;	spinlock_t		fib6_gc_lock;	atomic_t		ip6_rt_gc_expire;	unsigned long		ip6_rt_last_gc;	unsigned char		flowlabel_has_excl;#ifdef CONFIG_IPV6_MULTIPLE_TABLES	bool			fib6_has_custom_rules;	unsigned int		fib6_rules_require_fldissect;#ifdef CONFIG_IPV6_SUBTREES	unsigned int		fib6_routes_require_src;#endif	struct rt6_info         *ip6_prohibit_entry;	struct rt6_info         *ip6_blk_hole_entry;	struct fib6_table       *fib6_local_tbl;	struct fib_rules_ops    *fib6_rules_ops;#endif	struct sock             *ndisc_sk;	struct sock             *tcp_sk;	struct sock             *igmp_sk;	struct sock		*mc_autojoin_sk; 	struct hlist_head	*inet6_addr_lst;	spinlock_t		addrconf_hash_lock;	struct delayed_work	addr_chk_work; #ifdef CONFIG_IPV6_MROUTE#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES	struct mr_table		*mrt6;#else	struct list_head	mr6_tables;	struct fib_rules_ops	*mr6_rules_ops;#endif	struct fib_notifier_ops	*ip6mr_notifier_ops;	atomic_t		ipmr_seq;	struct mutex		mfc_mutex;#endif	atomic_t		dev_addr_genid;	atomic_t		fib6_sernum;	struct seg6_pernet_data *seg6_data;	struct fib_notifier_ops	*notifier_ops;	int			flowlabel_count;	struct {		struct hlist_head head;		spinlock_t	lock;		u32		seq;	} ip6addrlbl_table;	struct ioam6_pernet_data *ioam6_data;}; #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)struct netns_nf_frag {	struct fqdir	*fqdir;};#endif #endif