1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 | |
13 | struct ctl_table_header; |
14 | |
15 | struct 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 | |
61 | struct 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 | struct fib6_table *fib6_main_tbl; |
76 | struct list_head fib6_walkers; |
77 | rwlock_t fib6_walker_lock; |
78 | spinlock_t fib6_gc_lock; |
79 | atomic_t ip6_rt_gc_expire; |
80 | unsigned long ip6_rt_last_gc; |
81 | unsigned char flowlabel_has_excl; |
82 | #ifdef CONFIG_IPV6_MULTIPLE_TABLES |
83 | bool fib6_has_custom_rules; |
84 | unsigned int fib6_rules_require_fldissect; |
85 | #ifdef CONFIG_IPV6_SUBTREES |
86 | unsigned int fib6_routes_require_src; |
87 | #endif |
88 | struct rt6_info *ip6_prohibit_entry; |
89 | struct rt6_info *ip6_blk_hole_entry; |
90 | struct fib6_table *fib6_local_tbl; |
91 | struct fib_rules_ops *fib6_rules_ops; |
92 | #endif |
93 | struct sock *ndisc_sk; |
94 | struct sock *tcp_sk; |
95 | struct sock *igmp_sk; |
96 | struct sock *mc_autojoin_sk; |
97 | |
98 | struct hlist_head *inet6_addr_lst; |
99 | spinlock_t addrconf_hash_lock; |
100 | struct delayed_work addr_chk_work; |
101 | |
102 | #ifdef CONFIG_IPV6_MROUTE |
103 | #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES |
104 | struct mr_table *mrt6; |
105 | #else |
106 | struct list_head mr6_tables; |
107 | struct fib_rules_ops *mr6_rules_ops; |
108 | #endif |
109 | #endif |
110 | atomic_t dev_addr_genid; |
111 | atomic_t fib6_sernum; |
112 | struct seg6_pernet_data *seg6_data; |
113 | struct fib_notifier_ops *notifier_ops; |
114 | struct fib_notifier_ops *ip6mr_notifier_ops; |
115 | unsigned int ipmr_seq; /* protected by rtnl_mutex */ |
116 | struct { |
117 | struct hlist_head head; |
118 | spinlock_t lock; |
119 | u32 seq; |
120 | } ip6addrlbl_table; |
121 | struct ioam6_pernet_data *ioam6_data; |
122 | }; |
123 | |
124 | #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) |
125 | struct netns_nf_frag { |
126 | struct fqdir *fqdir; |
127 | }; |
128 | #endif |
129 | |
130 | #endif |
131 |