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 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 bindv6only; 24 int flush_delay; 25 int ip6_rt_max_size; 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; 34 int auto_flowlabels; 35 int icmpv6_time; 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; 42 int ip_nonlocal_bind; 43 int fwmark_reflect; 44 int idgen_retries; 45 int idgen_delay; 46 int flowlabel_state_ranges; 47 int flowlabel_reflect; 48 int max_dst_opts_cnt; 49 int max_hbh_opts_cnt; 50 int max_dst_opts_len; 51 int max_hbh_opts_len; 52 int seg6_flowlabel; 53 bool skip_notify_on_dev_down; 54 int fib_notify_on_flag_change; 55 }; 56 57 struct netns_ipv6 { 58 struct netns_sysctl_ipv6 sysctl; 59 struct ipv6_devconf *devconf_all; 60 struct ipv6_devconf *devconf_dflt; 61 struct inet_peer_base *peers; 62 struct fqdir *fqdir; 63 #ifdef CONFIG_NETFILTER 64 struct xt_table *ip6table_filter; 65 struct xt_table *ip6table_mangle; 66 struct xt_table *ip6table_raw; 67 #ifdef CONFIG_SECURITY 68 struct xt_table *ip6table_security; 69 #endif 70 struct xt_table *ip6table_nat; 71 #endif 72 struct fib6_info *fib6_null_entry; 73 struct rt6_info *ip6_null_entry; 74 struct rt6_statistics *rt6_stats; 75 struct timer_list ip6_fib_timer; 76 struct hlist_head *fib_table_hash; 77 struct fib6_table *fib6_main_tbl; 78 struct list_head fib6_walkers; 79 struct dst_ops ip6_dst_ops; 80 rwlock_t fib6_walker_lock; 81 spinlock_t fib6_gc_lock; 82 unsigned int ip6_rt_gc_expire; 83 unsigned long ip6_rt_last_gc; 84 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 85 unsigned int fib6_rules_require_fldissect; 86 bool fib6_has_custom_rules; 87 #ifdef CONFIG_IPV6_SUBTREES 88 unsigned int fib6_routes_require_src; 89 #endif 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; 94 #endif 95 struct sock * __percpu *icmp_sk; 96 struct sock *ndisc_sk; 97 struct sock *tcp_sk; 98 struct sock *igmp_sk; 99 struct sock *mc_autojoin_sk; 100 #ifdef CONFIG_IPV6_MROUTE 101 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 102 struct mr_table *mrt6; 103 #else 104 struct list_head mr6_tables; 105 struct fib_rules_ops *mr6_rules_ops; 106 #endif 107 #endif 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 */ 114 struct { 115 struct hlist_head head; 116 spinlock_t lock; 117 u32 seq; 118 } ip6addrlbl_table; 119 }; 120 121 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 122 struct netns_nf_frag { 123 struct fqdir *fqdir; 124 }; 125 #endif 126 127 #endif 128