1 /* SPDX-License-Identifier: GPL-2.0 */
3 * ipv6 in net namespaces
6 #include <net/inet_frag.h>
8 #ifndef __NETNS_IPV6_H__
9 #define __NETNS_IPV6_H__
10 #include <net/dst_ops.h>
12 struct ctl_table_header;
14 struct netns_sysctl_ipv6 {
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;
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;
35 int icmpv6_echo_ignore_all;
36 int icmpv6_echo_ignore_multicast;
37 int icmpv6_echo_ignore_anycast;
38 int anycast_src_echo_reply;
43 int flowlabel_state_ranges;
44 int flowlabel_reflect;
50 bool skip_notify_on_dev_down;
54 struct netns_sysctl_ipv6 sysctl;
55 struct ipv6_devconf *devconf_all;
56 struct ipv6_devconf *devconf_dflt;
57 struct inet_peer_base *peers;
58 struct netns_frags frags;
59 #ifdef CONFIG_NETFILTER
60 struct xt_table *ip6table_filter;
61 struct xt_table *ip6table_mangle;
62 struct xt_table *ip6table_raw;
63 #ifdef CONFIG_SECURITY
64 struct xt_table *ip6table_security;
66 struct xt_table *ip6table_nat;
68 struct fib6_info *fib6_null_entry;
69 struct rt6_info *ip6_null_entry;
70 struct rt6_statistics *rt6_stats;
71 struct timer_list ip6_fib_timer;
72 struct hlist_head *fib_table_hash;
73 struct fib6_table *fib6_main_tbl;
74 struct list_head fib6_walkers;
75 struct dst_ops ip6_dst_ops;
76 rwlock_t fib6_walker_lock;
77 spinlock_t fib6_gc_lock;
78 unsigned int ip6_rt_gc_expire;
79 unsigned long ip6_rt_last_gc;
80 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
81 unsigned int fib6_rules_require_fldissect;
82 bool fib6_has_custom_rules;
83 struct rt6_info *ip6_prohibit_entry;
84 struct rt6_info *ip6_blk_hole_entry;
85 struct fib6_table *fib6_local_tbl;
86 struct fib_rules_ops *fib6_rules_ops;
88 struct sock * __percpu *icmp_sk;
89 struct sock *ndisc_sk;
92 struct sock *mc_autojoin_sk;
93 #ifdef CONFIG_IPV6_MROUTE
94 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
95 struct mr_table *mrt6;
97 struct list_head mr6_tables;
98 struct fib_rules_ops *mr6_rules_ops;
101 atomic_t dev_addr_genid;
102 atomic_t fib6_sernum;
103 struct seg6_pernet_data *seg6_data;
104 struct fib_notifier_ops *notifier_ops;
105 struct fib_notifier_ops *ip6mr_notifier_ops;
106 unsigned int ipmr_seq; /* protected by rtnl_mutex */
108 struct hlist_head head;
114 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
115 struct netns_nf_frag {
116 struct netns_frags frags;