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[uclinux-h8/linux.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 anycast_src_echo_reply;
36         int ip_nonlocal_bind;
37         int fwmark_reflect;
38         int idgen_retries;
39         int idgen_delay;
40         int flowlabel_state_ranges;
41         int flowlabel_reflect;
42         int max_dst_opts_cnt;
43         int max_hbh_opts_cnt;
44         int max_dst_opts_len;
45         int max_hbh_opts_len;
46 };
47
48 struct netns_ipv6 {
49         struct netns_sysctl_ipv6 sysctl;
50         struct ipv6_devconf     *devconf_all;
51         struct ipv6_devconf     *devconf_dflt;
52         struct inet_peer_base   *peers;
53         struct netns_frags      frags;
54 #ifdef CONFIG_NETFILTER
55         struct xt_table         *ip6table_filter;
56         struct xt_table         *ip6table_mangle;
57         struct xt_table         *ip6table_raw;
58 #ifdef CONFIG_SECURITY
59         struct xt_table         *ip6table_security;
60 #endif
61         struct xt_table         *ip6table_nat;
62 #endif
63         struct rt6_info         *ip6_null_entry;
64         struct rt6_statistics   *rt6_stats;
65         struct timer_list       ip6_fib_timer;
66         struct hlist_head       *fib_table_hash;
67         struct fib6_table       *fib6_main_tbl;
68         struct list_head        fib6_walkers;
69         struct dst_ops          ip6_dst_ops;
70         rwlock_t                fib6_walker_lock;
71         spinlock_t              fib6_gc_lock;
72         unsigned int             ip6_rt_gc_expire;
73         unsigned long            ip6_rt_last_gc;
74 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
75         unsigned int            fib6_rules_require_fldissect;
76         bool                    fib6_has_custom_rules;
77         struct rt6_info         *ip6_prohibit_entry;
78         struct rt6_info         *ip6_blk_hole_entry;
79         struct fib6_table       *fib6_local_tbl;
80         struct fib_rules_ops    *fib6_rules_ops;
81 #endif
82         struct sock             **icmp_sk;
83         struct sock             *ndisc_sk;
84         struct sock             *tcp_sk;
85         struct sock             *igmp_sk;
86         struct sock             *mc_autojoin_sk;
87 #ifdef CONFIG_IPV6_MROUTE
88 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
89         struct mr_table         *mrt6;
90 #else
91         struct list_head        mr6_tables;
92         struct fib_rules_ops    *mr6_rules_ops;
93 #endif
94 #endif
95         atomic_t                dev_addr_genid;
96         atomic_t                fib6_sernum;
97         struct seg6_pernet_data *seg6_data;
98         struct fib_notifier_ops *notifier_ops;
99         struct fib_notifier_ops *ip6mr_notifier_ops;
100         unsigned int ipmr_seq; /* protected by rtnl_mutex */
101         struct {
102                 struct hlist_head head;
103                 spinlock_t      lock;
104                 u32             seq;
105         } ip6addrlbl_table;
106 };
107
108 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
109 struct netns_nf_frag {
110         struct netns_sysctl_ipv6 sysctl;
111         struct netns_frags      frags;
112 };
113 #endif
114
115 #endif