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>
11 #include <uapi/linux/icmpv6.h>
13 struct ctl_table_header;
15 struct netns_sysctl_ipv6 {
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;
26 int ip6_rt_gc_min_interval;
27 int ip6_rt_gc_timeout;
28 int ip6_rt_gc_interval;
29 int ip6_rt_gc_elasticity;
30 int ip6_rt_mtu_expires;
31 int ip6_rt_min_advmss;
32 int multipath_hash_policy;
33 int flowlabel_consistency;
36 int icmpv6_echo_ignore_all;
37 int icmpv6_echo_ignore_multicast;
38 int icmpv6_echo_ignore_anycast;
39 DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
40 unsigned long *icmpv6_ratemask_ptr;
41 int anycast_src_echo_reply;
46 int flowlabel_state_ranges;
47 int flowlabel_reflect;
53 bool skip_notify_on_dev_down;
57 struct netns_sysctl_ipv6 sysctl;
58 struct ipv6_devconf *devconf_all;
59 struct ipv6_devconf *devconf_dflt;
60 struct inet_peer_base *peers;
62 #ifdef CONFIG_NETFILTER
63 struct xt_table *ip6table_filter;
64 struct xt_table *ip6table_mangle;
65 struct xt_table *ip6table_raw;
66 #ifdef CONFIG_SECURITY
67 struct xt_table *ip6table_security;
69 struct xt_table *ip6table_nat;
71 struct fib6_info *fib6_null_entry;
72 struct rt6_info *ip6_null_entry;
73 struct rt6_statistics *rt6_stats;
74 struct timer_list ip6_fib_timer;
75 struct hlist_head *fib_table_hash;
76 struct fib6_table *fib6_main_tbl;
77 struct list_head fib6_walkers;
78 struct dst_ops ip6_dst_ops;
79 rwlock_t fib6_walker_lock;
80 spinlock_t fib6_gc_lock;
81 atomic_t ip6_rt_gc_expire;
82 unsigned long ip6_rt_last_gc;
83 unsigned char flowlabel_has_excl;
84 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
85 bool fib6_has_custom_rules;
86 unsigned int fib6_rules_require_fldissect;
87 #ifdef CONFIG_IPV6_SUBTREES
88 unsigned int fib6_routes_require_src;
90 struct rt6_info *ip6_prohibit_entry;
91 struct rt6_info *ip6_blk_hole_entry;
92 struct fib6_table *fib6_local_tbl;
93 struct fib_rules_ops *fib6_rules_ops;
95 struct sock * __percpu *icmp_sk;
96 struct sock *ndisc_sk;
99 struct sock *mc_autojoin_sk;
100 #ifdef CONFIG_IPV6_MROUTE
101 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
102 struct mr_table *mrt6;
104 struct list_head mr6_tables;
105 struct fib_rules_ops *mr6_rules_ops;
108 atomic_t dev_addr_genid;
109 atomic_t fib6_sernum;
110 struct seg6_pernet_data *seg6_data;
111 struct fib_notifier_ops *notifier_ops;
112 struct fib_notifier_ops *ip6mr_notifier_ops;
113 unsigned int ipmr_seq; /* protected by rtnl_mutex */
115 struct hlist_head head;
121 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
122 struct netns_nf_frag {