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#include <uapi/linux/icmpv6.h>
12
13struct ctl_table_header;
14
15struct netns_sysctl_ipv6 {
16#ifdef CONFIG_SYSCTL
17 struct ctl_table_header *hdr;
18 struct ctl_table_header *route_hdr;
19 struct ctl_table_header *icmp_hdr;
20 struct ctl_table_header *frags_hdr;
21 struct ctl_table_header *xfrm6_hdr;
22#endif
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 u32 multipath_hash_fields;
32 u8 multipath_hash_policy;
33 u8 bindv6only;
34 u8 flowlabel_consistency;
35 u8 auto_flowlabels;
36 int icmpv6_time;
37 u8 icmpv6_echo_ignore_all;
38 u8 icmpv6_echo_ignore_multicast;
39 u8 icmpv6_echo_ignore_anycast;
40 DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
41 unsigned long *icmpv6_ratemask_ptr;
42 u8 anycast_src_echo_reply;
43 u8 ip_nonlocal_bind;
44 u8 fwmark_reflect;
45 u8 flowlabel_state_ranges;
46 int idgen_retries;
47 int idgen_delay;
48 int flowlabel_reflect;
49 int max_dst_opts_cnt;
50 int max_hbh_opts_cnt;
51 int max_dst_opts_len;
52 int max_hbh_opts_len;
53 int seg6_flowlabel;
54 u32 ioam6_id;
55 u64 ioam6_id_wide;
56 u8 skip_notify_on_dev_down;
57 u8 fib_notify_on_flag_change;
58 u8 icmpv6_error_anycast_as_unicast;
59};
60
61struct netns_ipv6 {
62 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */
63 struct dst_ops ip6_dst_ops;
64
65 struct netns_sysctl_ipv6 sysctl;
66 struct ipv6_devconf *devconf_all;
67 struct ipv6_devconf *devconf_dflt;
68 struct inet_peer_base *peers;
69 struct fqdir *fqdir;
70 struct fib6_info *fib6_null_entry;
71 struct rt6_info *ip6_null_entry;
72 struct rt6_statistics *rt6_stats;
73 struct timer_list ip6_fib_timer;
74 struct hlist_head *fib_table_hash;
75 spinlock_t fib_table_hash_lock;
76 struct fib6_table *fib6_main_tbl;
77 struct list_head fib6_walkers;
78 rwlock_t fib6_walker_lock;
79 spinlock_t fib6_gc_lock;
80 atomic_t ip6_rt_gc_expire;
81 unsigned long ip6_rt_last_gc;
82 unsigned char flowlabel_has_excl;
83#ifdef CONFIG_IPV6_MULTIPLE_TABLES
84 bool fib6_has_custom_rules;
85 unsigned int fib6_rules_require_fldissect;
86#ifdef CONFIG_IPV6_SUBTREES
87 unsigned int fib6_routes_require_src;
88#endif
89 struct rt6_info *ip6_prohibit_entry;
90 struct rt6_info *ip6_blk_hole_entry;
91 struct fib6_table *fib6_local_tbl;
92 struct fib_rules_ops *fib6_rules_ops;
93#endif
94 struct sock *ndisc_sk;
95 struct sock *tcp_sk;
96 struct sock *igmp_sk;
97 struct sock *mc_autojoin_sk;
98
99 struct hlist_head *inet6_addr_lst;
100 spinlock_t addrconf_hash_lock;
101 struct delayed_work addr_chk_work;
102
103#ifdef CONFIG_IPV6_MROUTE
104#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
105 struct mr_table *mrt6;
106#else
107 struct list_head mr6_tables;
108 struct fib_rules_ops *mr6_rules_ops;
109#endif
110#endif
111 atomic_t dev_addr_genid;
112 atomic_t fib6_sernum;
113 struct seg6_pernet_data *seg6_data;
114 struct fib_notifier_ops *notifier_ops;
115 struct fib_notifier_ops *ip6mr_notifier_ops;
116 unsigned int ipmr_seq; /* protected by rtnl_mutex */
117 struct {
118 struct hlist_head head;
119 spinlock_t lock;
120 u32 seq;
121 } ip6addrlbl_table;
122 struct ioam6_pernet_data *ioam6_data;
123};
124
125#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
126struct netns_nf_frag {
127 struct fqdir *fqdir;
128};
129#endif
130
131#endif
132