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 <linux/android_kabi.h> 11 #include <net/dst_ops.h> 12 #include <uapi/linux/icmpv6.h> 13 14 struct ctl_table_header; 15 16 struct netns_sysctl_ipv6 { 17 #ifdef CONFIG_SYSCTL 18 struct ctl_table_header *hdr; 19 struct ctl_table_header *route_hdr; 20 struct ctl_table_header *icmp_hdr; 21 struct ctl_table_header *frags_hdr; 22 struct ctl_table_header *xfrm6_hdr; 23 #endif 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 u32 multipath_hash_fields; 33 u8 multipath_hash_policy; 34 u8 bindv6only; 35 u8 flowlabel_consistency; 36 u8 auto_flowlabels; 37 int icmpv6_time; 38 u8 icmpv6_echo_ignore_all; 39 u8 icmpv6_echo_ignore_multicast; 40 u8 icmpv6_echo_ignore_anycast; 41 DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1); 42 unsigned long *icmpv6_ratemask_ptr; 43 u8 anycast_src_echo_reply; 44 u8 ip_nonlocal_bind; 45 u8 fwmark_reflect; 46 u8 flowlabel_state_ranges; 47 int idgen_retries; 48 int idgen_delay; 49 int flowlabel_reflect; 50 int max_dst_opts_cnt; 51 int max_hbh_opts_cnt; 52 int max_dst_opts_len; 53 int max_hbh_opts_len; 54 int seg6_flowlabel; 55 u32 ioam6_id; 56 u64 ioam6_id_wide; 57 u8 skip_notify_on_dev_down; 58 u8 fib_notify_on_flag_change; 59 u8 icmpv6_error_anycast_as_unicast; 60 61 ANDROID_KABI_RESERVE(1); 62 }; 63 64 struct netns_ipv6 { 65 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */ 66 struct dst_ops ip6_dst_ops; 67 68 struct netns_sysctl_ipv6 sysctl; 69 struct ipv6_devconf *devconf_all; 70 struct ipv6_devconf *devconf_dflt; 71 struct inet_peer_base *peers; 72 struct fqdir *fqdir; 73 struct fib6_info *fib6_null_entry; 74 struct rt6_info *ip6_null_entry; 75 struct rt6_statistics *rt6_stats; 76 struct timer_list ip6_fib_timer; 77 struct hlist_head *fib_table_hash; 78 struct fib6_table *fib6_main_tbl; 79 struct list_head fib6_walkers; 80 rwlock_t fib6_walker_lock; 81 spinlock_t fib6_gc_lock; 82 atomic_t ip6_rt_gc_expire; 83 unsigned long ip6_rt_last_gc; 84 unsigned char flowlabel_has_excl; 85 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 86 bool fib6_has_custom_rules; 87 unsigned int fib6_rules_require_fldissect; 88 #ifdef CONFIG_IPV6_SUBTREES 89 unsigned int fib6_routes_require_src; 90 #endif 91 struct rt6_info *ip6_prohibit_entry; 92 struct rt6_info *ip6_blk_hole_entry; 93 struct fib6_table *fib6_local_tbl; 94 struct fib_rules_ops *fib6_rules_ops; 95 #endif 96 struct sock *ndisc_sk; 97 struct sock *tcp_sk; 98 struct sock *igmp_sk; 99 struct sock *mc_autojoin_sk; 100 101 struct hlist_head *inet6_addr_lst; 102 spinlock_t addrconf_hash_lock; 103 struct delayed_work addr_chk_work; 104 105 #ifdef CONFIG_IPV6_MROUTE 106 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 107 struct mr_table *mrt6; 108 #else 109 struct list_head mr6_tables; 110 struct fib_rules_ops *mr6_rules_ops; 111 #endif 112 #endif 113 atomic_t dev_addr_genid; 114 atomic_t fib6_sernum; 115 struct seg6_pernet_data *seg6_data; 116 struct fib_notifier_ops *notifier_ops; 117 struct fib_notifier_ops *ip6mr_notifier_ops; 118 unsigned int ipmr_seq; /* protected by rtnl_mutex */ 119 struct { 120 struct hlist_head head; 121 spinlock_t lock; 122 u32 seq; 123 } ip6addrlbl_table; 124 struct ioam6_pernet_data *ioam6_data; 125 126 ANDROID_KABI_RESERVE(1); 127 }; 128 129 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 130 struct netns_nf_frag { 131 struct fqdir *fqdir; 132 }; 133 #endif 134 135 #endif 136