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;
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;
34 u8 flowlabel_consistency;
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;
45 u8 flowlabel_state_ranges;
48 int flowlabel_reflect;
54 bool skip_notify_on_dev_down;
55 u8 fib_notify_on_flag_change;
59 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */
60 struct dst_ops ip6_dst_ops;
62 struct netns_sysctl_ipv6 sysctl;
63 struct ipv6_devconf *devconf_all;
64 struct ipv6_devconf *devconf_dflt;
65 struct inet_peer_base *peers;
67 struct fib6_info *fib6_null_entry;
68 struct rt6_info *ip6_null_entry;
69 struct rt6_statistics *rt6_stats;
70 struct timer_list ip6_fib_timer;
71 struct hlist_head *fib_table_hash;
72 struct fib6_table *fib6_main_tbl;
73 struct list_head fib6_walkers;
74 rwlock_t fib6_walker_lock;
75 spinlock_t fib6_gc_lock;
76 unsigned int ip6_rt_gc_expire;
77 unsigned long ip6_rt_last_gc;
78 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
79 unsigned int fib6_rules_require_fldissect;
80 bool fib6_has_custom_rules;
81 #ifdef CONFIG_IPV6_SUBTREES
82 unsigned int fib6_routes_require_src;
84 struct rt6_info *ip6_prohibit_entry;
85 struct rt6_info *ip6_blk_hole_entry;
86 struct fib6_table *fib6_local_tbl;
87 struct fib_rules_ops *fib6_rules_ops;
89 struct sock * __percpu *icmp_sk;
90 struct sock *ndisc_sk;
93 struct sock *mc_autojoin_sk;
94 #ifdef CONFIG_IPV6_MROUTE
95 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
96 struct mr_table *mrt6;
98 struct list_head mr6_tables;
99 struct fib_rules_ops *mr6_rules_ops;
102 atomic_t dev_addr_genid;
103 atomic_t fib6_sernum;
104 struct seg6_pernet_data *seg6_data;
105 struct fib_notifier_ops *notifier_ops;
106 struct fib_notifier_ops *ip6mr_notifier_ops;
107 unsigned int ipmr_seq; /* protected by rtnl_mutex */
109 struct hlist_head head;
115 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
116 struct netns_nf_frag {