50 struct netns_ipv4 {  struct
68 	__cacheline_group_end(netns_ipv4_read_tx);  argument
73 	__cacheline_group_end(netns_ipv4_read_txrx);  argument
83 	__cacheline_group_end(netns_ipv4_read_rx);  argument
85 	struct inet_timewait_death_row tcp_death_row;
86 	struct udp_table *udp_table;
89 	struct ctl_table_header	*forw_hdr;
90 	struct ctl_table_header	*frags_hdr;
91 	struct ctl_table_header	*ipv4_hdr;
92 	struct ctl_table_header *route_hdr;
93 	struct ctl_table_header *xfrm4_hdr;
95 	struct ipv4_devconf	*devconf_all;
96 	struct ipv4_devconf	*devconf_dflt;
97 	struct ip_ra_chain __rcu *ra_chain;
98 	struct mutex		ra_mutex;
100 	struct fib_rules_ops	*rules_ops;
101 	struct fib_table __rcu	*fib_main;
102 	struct fib_table __rcu	*fib_default;
103 	unsigned int		fib_rules_require_fldissect;
104 	bool			fib_has_custom_rules;
106 	bool			fib_has_custom_local_routes;
107 	bool			fib_offload_disabled;
108 	u8			sysctl_tcp_shrink_window;
110 	atomic_t		fib_num_tclassid_users;
112 	struct hlist_head	*fib_table_hash;
113 	struct sock		*fibnl;
114 	struct hlist_head	*fib_info_hash;
115 	unsigned int		fib_info_hash_bits;
116 	unsigned int		fib_info_cnt;
118 	struct sock		*mc_autojoin_sk;
120 	struct inet_peer_base	*peers;
121 	struct fqdir		*fqdir;
123 	u8 sysctl_icmp_echo_ignore_all;
124 	u8 sysctl_icmp_echo_enable_probe;
125 	u8 sysctl_icmp_echo_ignore_broadcasts;
126 	u8 sysctl_icmp_ignore_bogus_error_responses;
127 	u8 sysctl_icmp_errors_use_inbound_ifaddr;
128 	int sysctl_icmp_ratelimit;
129 	int sysctl_icmp_ratemask;
130 	int sysctl_icmp_msgs_per_sec;
131 	int sysctl_icmp_msgs_burst;
132 	atomic_t icmp_global_credit;
133 	u32 icmp_global_stamp;
134 	u32 ip_rt_min_pmtu;
135 	int ip_rt_mtu_expires;
136 	int ip_rt_min_advmss;
138 	struct local_ports ip_local_ports;
140 	u8 sysctl_tcp_ecn;
141 	u8 sysctl_tcp_ecn_fallback;
143 	u8 sysctl_ip_default_ttl;
144 	u8 sysctl_ip_no_pmtu_disc;
145 	u8 sysctl_ip_fwd_update_priority;
146 	u8 sysctl_ip_nonlocal_bind;
147 	u8 sysctl_ip_autobind_reuse;
149 	u8 sysctl_ip_dynaddr;
151 	u8 sysctl_raw_l3mdev_accept;
153 	u8 sysctl_udp_early_demux;
155 	u8 sysctl_nexthop_compat_mode;
157 	u8 sysctl_fwmark_reflect;
158 	u8 sysctl_tcp_fwmark_accept;
159 	u8 sysctl_tcp_mtu_probing;
160 	int sysctl_tcp_mtu_probe_floor;
161 	int sysctl_tcp_base_mss;
162 	int sysctl_tcp_probe_threshold;
163 	u32 sysctl_tcp_probe_interval;
165 	int sysctl_tcp_keepalive_time;
166 	int sysctl_tcp_keepalive_intvl;
167 	u8 sysctl_tcp_keepalive_probes;
169 	u8 sysctl_tcp_syn_retries;
170 	u8 sysctl_tcp_synack_retries;
171 	u8 sysctl_tcp_syncookies;
172 	u8 sysctl_tcp_migrate_req;
173 	u8 sysctl_tcp_comp_sack_nr;
174 	u8 sysctl_tcp_backlog_ack_defer;
175 	u8 sysctl_tcp_pingpong_thresh;
177 	u8 sysctl_tcp_retries1;
178 	u8 sysctl_tcp_retries2;
179 	u8 sysctl_tcp_orphan_retries;
180 	u8 sysctl_tcp_tw_reuse;
181 	unsigned int sysctl_tcp_tw_reuse_delay;
182 	int sysctl_tcp_fin_timeout;
183 	u8 sysctl_tcp_sack;
184 	u8 sysctl_tcp_window_scaling;
185 	u8 sysctl_tcp_timestamps;
186 	int sysctl_tcp_rto_min_us;
187 	int sysctl_tcp_rto_max_ms;
188 	u8 sysctl_tcp_recovery;
189 	u8 sysctl_tcp_thin_linear_timeouts;
190 	u8 sysctl_tcp_slow_start_after_idle;
191 	u8 sysctl_tcp_retrans_collapse;
192 	u8 sysctl_tcp_stdurg;
193 	u8 sysctl_tcp_rfc1337;
194 	u8 sysctl_tcp_abort_on_overflow;
195 	u8 sysctl_tcp_fack; /* obsolete */
196 	int sysctl_tcp_max_reordering;
197 	int sysctl_tcp_adv_win_scale; /* obsolete */
198 	u8 sysctl_tcp_dsack;
199 	u8 sysctl_tcp_app_win;
200 	u8 sysctl_tcp_frto;
201 	u8 sysctl_tcp_nometrics_save;
202 	u8 sysctl_tcp_no_ssthresh_metrics_save;
203 	u8 sysctl_tcp_workaround_signed_windows;
204 	int sysctl_tcp_challenge_ack_limit;
205 	u8 sysctl_tcp_min_tso_segs;
206 	u8 sysctl_tcp_reflect_tos;
207 	int sysctl_tcp_invalid_ratelimit;
208 	int sysctl_tcp_pacing_ss_ratio;
209 	int sysctl_tcp_pacing_ca_ratio;
210 	unsigned int sysctl_tcp_child_ehash_entries;
211 	unsigned long sysctl_tcp_comp_sack_delay_ns;
212 	unsigned long sysctl_tcp_comp_sack_slack_ns;
213 	int sysctl_max_syn_backlog;
214 	int sysctl_tcp_fastopen;
215 	const struct tcp_congestion_ops __rcu  *tcp_congestion_control;
216 	struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
217 	unsigned int sysctl_tcp_fastopen_blackhole_timeout;
218 	atomic_t tfo_active_disable_times;
219 	unsigned long tfo_active_disable_stamp;
220 	u32 tcp_challenge_timestamp;
221 	u32 tcp_challenge_count;
222 	u8 sysctl_tcp_plb_enabled;
223 	u8 sysctl_tcp_plb_idle_rehash_rounds;
224 	u8 sysctl_tcp_plb_rehash_rounds;
225 	u8 sysctl_tcp_plb_suspend_rto_sec;
226 	int sysctl_tcp_plb_cong_thresh;
228 	int sysctl_udp_wmem_min;
229 	int sysctl_udp_rmem_min;
231 	u8 sysctl_fib_notify_on_flag_change;
232 	u8 sysctl_tcp_syn_linear_timeouts;
235 	u8 sysctl_udp_l3mdev_accept;
238 	u8 sysctl_igmp_llm_reports;
239 	int sysctl_igmp_max_memberships;
240 	int sysctl_igmp_max_msf;
241 	int sysctl_igmp_qrv;
243 	struct ping_group_range ping_group_range;
245 	atomic_t dev_addr_genid;
247 	unsigned int sysctl_udp_child_hash_entries;
250 	unsigned long *sysctl_local_reserved_ports;
251 	int sysctl_ip_prot_sock;
256 	struct mr_table		*mrt;
258 	struct list_head	mr_tables;
259 	struct fib_rules_ops	*mr_rules_ops;
263 	struct sysctl_fib_multipath_hash_seed sysctl_fib_multipath_hash_seed;
264 	u32 sysctl_fib_multipath_hash_fields;
265 	u8 sysctl_fib_multipath_use_neigh;
266 	u8 sysctl_fib_multipath_hash_policy;
269 	struct fib_notifier_ops	*notifier_ops;
270 	unsigned int	fib_seq;	/* writes protected by rtnl_mutex */
272 	struct fib_notifier_ops	*ipmr_notifier_ops;
273 	unsigned int	ipmr_seq;	/* protected by rtnl_mutex */
275 	atomic_t	rt_genid;
276 	siphash_key_t	ip_id_key;
277 	struct hlist_head	*inet_addr_lst;
278 	struct delayed_work	addr_chk_work;