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 12 struct ctl_table_header; 13 14 struct netns_sysctl_ipv6 { 15 #ifdef CONFIG_SYSCTL 16 struct ctl_table_header *hdr; 17 struct ctl_table_header *route_hdr; 18 struct ctl_table_header *icmp_hdr; 19 struct ctl_table_header *frags_hdr; 20 struct ctl_table_header *xfrm6_hdr; 21 #endif 22 int bindv6only; 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 int flowlabel_consistency; 32 int auto_flowlabels; 33 int icmpv6_time; 34 int anycast_src_echo_reply; 35 int ip_nonlocal_bind; 36 int fwmark_reflect; 37 int idgen_retries; 38 int idgen_delay; 39 int flowlabel_state_ranges; 40 int flowlabel_reflect; 41 int max_dst_opts_cnt; 42 int max_hbh_opts_cnt; 43 int max_dst_opts_len; 44 int max_hbh_opts_len; 45 }; 46 47 struct netns_ipv6 { 48 struct netns_sysctl_ipv6 sysctl; 49 struct ipv6_devconf *devconf_all; 50 struct ipv6_devconf *devconf_dflt; 51 struct inet_peer_base *peers; 52 struct netns_frags frags; 53 #ifdef CONFIG_NETFILTER 54 struct xt_table *ip6table_filter; 55 struct xt_table *ip6table_mangle; 56 struct xt_table *ip6table_raw; 57 #ifdef CONFIG_SECURITY 58 struct xt_table *ip6table_security; 59 #endif 60 struct xt_table *ip6table_nat; 61 #endif 62 struct rt6_info *ip6_null_entry; 63 struct rt6_statistics *rt6_stats; 64 struct timer_list ip6_fib_timer; 65 struct hlist_head *fib_table_hash; 66 struct fib6_table *fib6_main_tbl; 67 struct list_head fib6_walkers; 68 struct dst_ops ip6_dst_ops; 69 rwlock_t fib6_walker_lock; 70 spinlock_t fib6_gc_lock; 71 unsigned int ip6_rt_gc_expire; 72 unsigned long ip6_rt_last_gc; 73 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 74 bool fib6_has_custom_rules; 75 struct rt6_info *ip6_prohibit_entry; 76 struct rt6_info *ip6_blk_hole_entry; 77 struct fib6_table *fib6_local_tbl; 78 struct fib_rules_ops *fib6_rules_ops; 79 #endif 80 struct sock **icmp_sk; 81 struct sock *ndisc_sk; 82 struct sock *tcp_sk; 83 struct sock *igmp_sk; 84 struct sock *mc_autojoin_sk; 85 #ifdef CONFIG_IPV6_MROUTE 86 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 87 struct mr6_table *mrt6; 88 #else 89 struct list_head mr6_tables; 90 struct fib_rules_ops *mr6_rules_ops; 91 #endif 92 #endif 93 atomic_t dev_addr_genid; 94 atomic_t fib6_sernum; 95 struct seg6_pernet_data *seg6_data; 96 struct fib_notifier_ops *notifier_ops; 97 struct { 98 struct hlist_head head; 99 spinlock_t lock; 100 u32 seq; 101 } ip6addrlbl_table; 102 }; 103 104 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 105 struct netns_nf_frag { 106 struct netns_sysctl_ipv6 sysctl; 107 struct netns_frags frags; 108 }; 109 #endif 110 111 #endif 112