ipv6: Implement limits on Hop-by-Hop and Destination options
[sfrench/cifs-2.6.git] / include / net / netns / ipv6.h
1 /*
2  * ipv6 in net namespaces
3  */
4
5 #include <net/inet_frag.h>
6
7 #ifndef __NETNS_IPV6_H__
8 #define __NETNS_IPV6_H__
9 #include <net/dst_ops.h>
10
11 struct ctl_table_header;
12
13 struct netns_sysctl_ipv6 {
14 #ifdef CONFIG_SYSCTL
15         struct ctl_table_header *hdr;
16         struct ctl_table_header *route_hdr;
17         struct ctl_table_header *icmp_hdr;
18         struct ctl_table_header *frags_hdr;
19         struct ctl_table_header *xfrm6_hdr;
20 #endif
21         int bindv6only;
22         int flush_delay;
23         int ip6_rt_max_size;
24         int ip6_rt_gc_min_interval;
25         int ip6_rt_gc_timeout;
26         int ip6_rt_gc_interval;
27         int ip6_rt_gc_elasticity;
28         int ip6_rt_mtu_expires;
29         int ip6_rt_min_advmss;
30         int flowlabel_consistency;
31         int auto_flowlabels;
32         int icmpv6_time;
33         int anycast_src_echo_reply;
34         int ip_nonlocal_bind;
35         int fwmark_reflect;
36         int idgen_retries;
37         int idgen_delay;
38         int flowlabel_state_ranges;
39         int flowlabel_reflect;
40         int max_dst_opts_cnt;
41         int max_hbh_opts_cnt;
42         int max_dst_opts_len;
43         int max_hbh_opts_len;
44 };
45
46 struct netns_ipv6 {
47         struct netns_sysctl_ipv6 sysctl;
48         struct ipv6_devconf     *devconf_all;
49         struct ipv6_devconf     *devconf_dflt;
50         struct inet_peer_base   *peers;
51         struct netns_frags      frags;
52 #ifdef CONFIG_NETFILTER
53         struct xt_table         *ip6table_filter;
54         struct xt_table         *ip6table_mangle;
55         struct xt_table         *ip6table_raw;
56 #ifdef CONFIG_SECURITY
57         struct xt_table         *ip6table_security;
58 #endif
59         struct xt_table         *ip6table_nat;
60 #endif
61         struct rt6_info         *ip6_null_entry;
62         struct rt6_statistics   *rt6_stats;
63         struct timer_list       ip6_fib_timer;
64         struct hlist_head       *fib_table_hash;
65         struct fib6_table       *fib6_main_tbl;
66         struct list_head        fib6_walkers;
67         struct dst_ops          ip6_dst_ops;
68         rwlock_t                fib6_walker_lock;
69         spinlock_t              fib6_gc_lock;
70         unsigned int             ip6_rt_gc_expire;
71         unsigned long            ip6_rt_last_gc;
72 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
73         bool                     fib6_has_custom_rules;
74         struct rt6_info         *ip6_prohibit_entry;
75         struct rt6_info         *ip6_blk_hole_entry;
76         struct fib6_table       *fib6_local_tbl;
77         struct fib_rules_ops    *fib6_rules_ops;
78 #endif
79         struct sock             **icmp_sk;
80         struct sock             *ndisc_sk;
81         struct sock             *tcp_sk;
82         struct sock             *igmp_sk;
83         struct sock             *mc_autojoin_sk;
84 #ifdef CONFIG_IPV6_MROUTE
85 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
86         struct mr6_table        *mrt6;
87 #else
88         struct list_head        mr6_tables;
89         struct fib_rules_ops    *mr6_rules_ops;
90 #endif
91 #endif
92         atomic_t                dev_addr_genid;
93         atomic_t                fib6_sernum;
94         struct seg6_pernet_data *seg6_data;
95         struct fib_notifier_ops *notifier_ops;
96         struct {
97                 struct hlist_head head;
98                 spinlock_t      lock;
99                 u32             seq;
100         } ip6addrlbl_table;
101 };
102
103 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
104 struct netns_nf_frag {
105         struct netns_sysctl_ipv6 sysctl;
106         struct netns_frags      frags;
107 };
108 #endif
109
110 #endif