1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * ipv6 in net namespaces
4 */
5
6#include <net/inet_frag.h>
7
8#ifndef __NETNS_IPV6_H__
9#define __NETNS_IPV6_H__
10#include <net/dst_ops.h>
11
12struct ctl_table_header;
13
14struct netns_sysctl_ipv6 {
15#ifdef CONFIG_SYSCTL
16 struct ctl_table_header *hdr;
17 struct ctl_table_header *route_hdr;
18 struct ctl_table_header *icmp_hdr;
19 struct ctl_table_header *frags_hdr;
20 struct ctl_table_header *xfrm6_hdr;
21#endif
22 int bindv6only;
23 int flush_delay;
24 int ip6_rt_max_size;
25 int ip6_rt_gc_min_interval;
26 int ip6_rt_gc_timeout;
27 int ip6_rt_gc_interval;
28 int ip6_rt_gc_elasticity;
29 int ip6_rt_mtu_expires;
30 int ip6_rt_min_advmss;
31 int multipath_hash_policy;
32 int flowlabel_consistency;
33 int auto_flowlabels;
34 int icmpv6_time;
35 int icmpv6_echo_ignore_all;
36 int anycast_src_echo_reply;
37 int ip_nonlocal_bind;
38 int fwmark_reflect;
39 int idgen_retries;
40 int idgen_delay;
41 int flowlabel_state_ranges;
42 int flowlabel_reflect;
43 int max_dst_opts_cnt;
44 int max_hbh_opts_cnt;
45 int max_dst_opts_len;
46 int max_hbh_opts_len;
47 int seg6_flowlabel;
48 bool skip_notify_on_dev_down;
49};
50
51struct netns_ipv6 {
52 struct netns_sysctl_ipv6 sysctl;
53 struct ipv6_devconf *devconf_all;
54 struct ipv6_devconf *devconf_dflt;
55 struct inet_peer_base *peers;
56 struct netns_frags frags;
57#ifdef CONFIG_NETFILTER
58 struct xt_table *ip6table_filter;
59 struct xt_table *ip6table_mangle;
60 struct xt_table *ip6table_raw;
61#ifdef CONFIG_SECURITY
62 struct xt_table *ip6table_security;
63#endif
64 struct xt_table *ip6table_nat;
65#endif
66 struct fib6_info *fib6_null_entry;
67 struct rt6_info *ip6_null_entry;
68 struct rt6_statistics *rt6_stats;
69 struct timer_list ip6_fib_timer;
70 struct hlist_head *fib_table_hash;
71 struct fib6_table *fib6_main_tbl;
72 struct list_head fib6_walkers;
73 struct dst_ops ip6_dst_ops;
74 rwlock_t fib6_walker_lock;
75 spinlock_t fib6_gc_lock;
76 unsigned int ip6_rt_gc_expire;
77 unsigned long ip6_rt_last_gc;
78#ifdef CONFIG_IPV6_MULTIPLE_TABLES
79 unsigned int fib6_rules_require_fldissect;
80 bool fib6_has_custom_rules;
81 struct rt6_info *ip6_prohibit_entry;
82 struct rt6_info *ip6_blk_hole_entry;
83 struct fib6_table *fib6_local_tbl;
84 struct fib_rules_ops *fib6_rules_ops;
85#endif
86 struct sock * __percpu *icmp_sk;
87 struct sock *ndisc_sk;
88 struct sock *tcp_sk;
89 struct sock *igmp_sk;
90 struct sock *mc_autojoin_sk;
91#ifdef CONFIG_IPV6_MROUTE
92#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
93 struct mr_table *mrt6;
94#else
95 struct list_head mr6_tables;
96 struct fib_rules_ops *mr6_rules_ops;
97#endif
98#endif
99 atomic_t dev_addr_genid;
100 atomic_t fib6_sernum;
101 struct seg6_pernet_data *seg6_data;
102 struct fib_notifier_ops *notifier_ops;
103 struct fib_notifier_ops *ip6mr_notifier_ops;
104 unsigned int ipmr_seq; /* protected by rtnl_mutex */
105 struct {
106 struct hlist_head head;
107 spinlock_t lock;
108 u32 seq;
109 } ip6addrlbl_table;
110};
111
112#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
113struct netns_nf_frag {
114 struct netns_frags frags;
115};
116#endif
117
118#endif
119