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 }; 55 56 struct netns_ipv6 { 57 struct netns_sysctl_ipv6 sysctl; 58 struct ipv6_devconf *devconf_all; 59 struct ipv6_devconf *devconf_dflt; 60 struct inet_peer_base *peers; 61 struct fqdir *fqdir; 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; 68 #endif 69 struct xt_table *ip6table_nat; 70 #endif 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 unsigned int ip6_rt_gc_expire; 82 unsigned long ip6_rt_last_gc; 83 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 84 unsigned int fib6_rules_require_fldissect; 85 bool fib6_has_custom_rules; 86 struct rt6_info *ip6_prohibit_entry; 87 struct rt6_info *ip6_blk_hole_entry; 88 struct fib6_table *fib6_local_tbl; 89 struct fib_rules_ops *fib6_rules_ops; 90 #endif 91 struct sock * __percpu *icmp_sk; 92 struct sock *ndisc_sk; 93 struct sock *tcp_sk; 94 struct sock *igmp_sk; 95 struct sock *mc_autojoin_sk; 96 #ifdef CONFIG_IPV6_MROUTE 97 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 98 struct mr_table *mrt6; 99 #else 100 struct list_head mr6_tables; 101 struct fib_rules_ops *mr6_rules_ops; 102 #endif 103 #endif 104 atomic_t dev_addr_genid; 105 atomic_t fib6_sernum; 106 struct seg6_pernet_data *seg6_data; 107 struct fib_notifier_ops *notifier_ops; 108 struct fib_notifier_ops *ip6mr_notifier_ops; 109 unsigned int ipmr_seq; /* protected by rtnl_mutex */ 110 struct { 111 struct hlist_head head; 112 spinlock_t lock; 113 u32 seq; 114 } ip6addrlbl_table; 115 }; 116 117 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 118 struct netns_nf_frag { 119 struct fqdir *fqdir; 120 }; 121 #endif 122 123 #endif 124