GNU Linux-libre 4.19.281-gnu1
[releases.git] / include / net / netns / ipv6.h
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
12 struct ctl_table_header;
13
14 struct 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 };
49
50 struct netns_ipv6 {
51         struct netns_sysctl_ipv6 sysctl;
52         struct ipv6_devconf     *devconf_all;
53         struct ipv6_devconf     *devconf_dflt;
54         struct inet_peer_base   *peers;
55         struct netns_frags      frags;
56 #ifdef CONFIG_NETFILTER
57         struct xt_table         *ip6table_filter;
58         struct xt_table         *ip6table_mangle;
59         struct xt_table         *ip6table_raw;
60 #ifdef CONFIG_SECURITY
61         struct xt_table         *ip6table_security;
62 #endif
63         struct xt_table         *ip6table_nat;
64 #endif
65         struct fib6_info        *fib6_null_entry;
66         struct rt6_info         *ip6_null_entry;
67         struct rt6_statistics   *rt6_stats;
68         struct timer_list       ip6_fib_timer;
69         struct hlist_head       *fib_table_hash;
70         struct fib6_table       *fib6_main_tbl;
71         struct list_head        fib6_walkers;
72         struct dst_ops          ip6_dst_ops;
73         rwlock_t                fib6_walker_lock;
74         spinlock_t              fib6_gc_lock;
75         unsigned int             ip6_rt_gc_expire;
76         unsigned long            ip6_rt_last_gc;
77 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
78         unsigned int            fib6_rules_require_fldissect;
79         bool                    fib6_has_custom_rules;
80         struct rt6_info         *ip6_prohibit_entry;
81         struct rt6_info         *ip6_blk_hole_entry;
82         struct fib6_table       *fib6_local_tbl;
83         struct fib_rules_ops    *fib6_rules_ops;
84 #endif
85         struct sock             **icmp_sk;
86         struct sock             *ndisc_sk;
87         struct sock             *tcp_sk;
88         struct sock             *igmp_sk;
89         struct sock             *mc_autojoin_sk;
90 #ifdef CONFIG_IPV6_MROUTE
91 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
92         struct mr_table         *mrt6;
93 #else
94         struct list_head        mr6_tables;
95         struct fib_rules_ops    *mr6_rules_ops;
96 #endif
97 #endif
98         atomic_t                dev_addr_genid;
99         atomic_t                fib6_sernum;
100         struct seg6_pernet_data *seg6_data;
101         struct fib_notifier_ops *notifier_ops;
102         struct fib_notifier_ops *ip6mr_notifier_ops;
103         unsigned int ipmr_seq; /* protected by rtnl_mutex */
104         struct {
105                 struct hlist_head head;
106                 spinlock_t      lock;
107                 u32             seq;
108         } ip6addrlbl_table;
109 };
110
111 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
112 struct netns_nf_frag {
113         struct netns_frags      frags;
114 };
115 #endif
116
117 #endif