cregit-Linux how code gets into the kernel

Release 4.15 include/net/netns/ipv4.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * ipv4 in net namespaces
 */

#ifndef __NETNS_IPV4_H__

#define __NETNS_IPV4_H__

#include <linux/uidgid.h>
#include <net/inet_frag.h>
#include <linux/rcupdate.h>

struct tcpm_hash_bucket;
struct ctl_table_header;
struct ipv4_devconf;
struct fib_rules_ops;
struct hlist_head;
struct fib_table;
struct sock;

struct local_ports {
	
seqlock_t	lock;
	
int		range[2];
	
bool		warned;
};


struct ping_group_range {
	
seqlock_t	lock;
	
kgid_t		range[2];
};

struct inet_hashinfo;


struct inet_timewait_death_row {
	
atomic_t		tw_count;

	
struct inet_hashinfo 	*hashinfo ____cacheline_aligned_in_smp;
	
int			sysctl_max_tw_buckets;
};

struct tcp_fastopen_context;


struct netns_ipv4 {
#ifdef CONFIG_SYSCTL
	
struct ctl_table_header	*forw_hdr;
	
struct ctl_table_header	*frags_hdr;
	
struct ctl_table_header	*ipv4_hdr;
	
struct ctl_table_header *route_hdr;
	
struct ctl_table_header *xfrm4_hdr;
#endif
	
struct ipv4_devconf	*devconf_all;
	
struct ipv4_devconf	*devconf_dflt;
#ifdef CONFIG_IP_MULTIPLE_TABLES
	
struct fib_rules_ops	*rules_ops;
	
bool			fib_has_custom_rules;
	
struct fib_table __rcu	*fib_main;
	
struct fib_table __rcu	*fib_default;
#endif
	
bool			fib_has_custom_local_routes;
#ifdef CONFIG_IP_ROUTE_CLASSID
	
int			fib_num_tclassid_users;
#endif
	
struct hlist_head	*fib_table_hash;
	
bool			fib_offload_disabled;
	
struct sock		*fibnl;

	
struct sock  * __percpu	*icmp_sk;
	
struct sock		*mc_autojoin_sk;

	
struct inet_peer_base	*peers;
	
struct sock  * __percpu	*tcp_sk;
	
struct netns_frags	frags;
#ifdef CONFIG_NETFILTER
	
struct xt_table		*iptable_filter;
	
struct xt_table		*iptable_mangle;
	
struct xt_table		*iptable_raw;
	
struct xt_table		*arptable_filter;
#ifdef CONFIG_SECURITY
	
struct xt_table		*iptable_security;
#endif
	
struct xt_table		*nat_table;
#endif

	
int sysctl_icmp_echo_ignore_all;
	
int sysctl_icmp_echo_ignore_broadcasts;
	
int sysctl_icmp_ignore_bogus_error_responses;
	
int sysctl_icmp_ratelimit;
	
int sysctl_icmp_ratemask;
	
int sysctl_icmp_errors_use_inbound_ifaddr;

	
struct local_ports ip_local_ports;

	
int sysctl_tcp_ecn;
	
int sysctl_tcp_ecn_fallback;

	
int sysctl_ip_default_ttl;
	
int sysctl_ip_no_pmtu_disc;
	
int sysctl_ip_fwd_use_pmtu;
	
int sysctl_ip_nonlocal_bind;
	/* Shall we try to damage output packets if routing dev changes? */
	
int sysctl_ip_dynaddr;
	
int sysctl_ip_early_demux;
	
int sysctl_tcp_early_demux;
	
int sysctl_udp_early_demux;

	
int sysctl_fwmark_reflect;
	
int sysctl_tcp_fwmark_accept;
#ifdef CONFIG_NET_L3_MASTER_DEV
	
int sysctl_tcp_l3mdev_accept;
#endif
	
int sysctl_tcp_mtu_probing;
	
int sysctl_tcp_base_mss;
	
int sysctl_tcp_probe_threshold;
	
u32 sysctl_tcp_probe_interval;

	
int sysctl_tcp_keepalive_time;
	
int sysctl_tcp_keepalive_probes;
	
int sysctl_tcp_keepalive_intvl;

	
int sysctl_tcp_syn_retries;
	
int sysctl_tcp_synack_retries;
	
int sysctl_tcp_syncookies;
	
int sysctl_tcp_reordering;
	
int sysctl_tcp_retries1;
	
int sysctl_tcp_retries2;
	
int sysctl_tcp_orphan_retries;
	
int sysctl_tcp_fin_timeout;
	
unsigned int sysctl_tcp_notsent_lowat;
	
int sysctl_tcp_tw_reuse;
	
int sysctl_tcp_sack;
	
int sysctl_tcp_window_scaling;
	
int sysctl_tcp_timestamps;
	
int sysctl_tcp_early_retrans;
	
int sysctl_tcp_recovery;
	
int sysctl_tcp_thin_linear_timeouts;
	
int sysctl_tcp_slow_start_after_idle;
	
int sysctl_tcp_retrans_collapse;
	
int sysctl_tcp_stdurg;
	
int sysctl_tcp_rfc1337;
	
int sysctl_tcp_abort_on_overflow;
	
int sysctl_tcp_fack;
	
int sysctl_tcp_max_reordering;
	
int sysctl_tcp_dsack;
	
int sysctl_tcp_app_win;
	
int sysctl_tcp_adv_win_scale;
	
int sysctl_tcp_frto;
	
int sysctl_tcp_nometrics_save;
	
int sysctl_tcp_moderate_rcvbuf;
	
int sysctl_tcp_tso_win_divisor;
	
int sysctl_tcp_workaround_signed_windows;
	
int sysctl_tcp_limit_output_bytes;
	
int sysctl_tcp_challenge_ack_limit;
	
int sysctl_tcp_min_tso_segs;
	
int sysctl_tcp_min_rtt_wlen;
	
int sysctl_tcp_autocorking;
	
int sysctl_tcp_invalid_ratelimit;
	
int sysctl_tcp_pacing_ss_ratio;
	
int sysctl_tcp_pacing_ca_ratio;
	
int sysctl_tcp_wmem[3];
	
int sysctl_tcp_rmem[3];
	
struct inet_timewait_death_row tcp_death_row;
	
int sysctl_max_syn_backlog;
	
int sysctl_tcp_fastopen;
	
const struct tcp_congestion_ops __rcu  *tcp_congestion_control;
	
struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
	
spinlock_t tcp_fastopen_ctx_lock;
	
unsigned int sysctl_tcp_fastopen_blackhole_timeout;
	
atomic_t tfo_active_disable_times;
	
unsigned long tfo_active_disable_stamp;

#ifdef CONFIG_NET_L3_MASTER_DEV
	
int sysctl_udp_l3mdev_accept;
#endif

	
int sysctl_igmp_max_memberships;
	
int sysctl_igmp_max_msf;
	
int sysctl_igmp_llm_reports;
	
int sysctl_igmp_qrv;

	
struct ping_group_range ping_group_range;

	
atomic_t dev_addr_genid;

#ifdef CONFIG_SYSCTL
	
unsigned long *sysctl_local_reserved_ports;
	
int sysctl_ip_prot_sock;
#endif

#ifdef CONFIG_IP_MROUTE
#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
	
struct mr_table		*mrt;
#else
	
struct list_head	mr_tables;
	
struct fib_rules_ops	*mr_rules_ops;
#endif
#endif
#ifdef CONFIG_IP_ROUTE_MULTIPATH
	
int sysctl_fib_multipath_use_neigh;
	
int sysctl_fib_multipath_hash_policy;
#endif

	
struct fib_notifier_ops	*notifier_ops;
	
unsigned int	fib_seq;	/* protected by rtnl_mutex */

	
struct fib_notifier_ops	*ipmr_notifier_ops;
	
unsigned int	ipmr_seq;	/* protected by rtnl_mutex */

	
atomic_t	rt_genid;
};
#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Eric Dumazet11518.82%3429.31%
Pavel Emelyanov7011.46%65.17%
Nikolay Borisov599.66%1916.38%
Haishuang Yan569.17%65.17%
Denis V. Lunev406.55%54.31%
Alexey Dobriyan355.73%43.45%
David S. Miller335.40%43.45%
Américo Wang284.58%32.59%
Eric W. Biedermann203.27%21.72%
Patrick McHardy182.95%21.72%
David Ahern162.62%21.72%
Fan Du152.45%43.45%
Yotam Gigi101.64%10.86%
Ido Schimmel101.64%21.72%
Hannes Frederic Sowa91.47%32.59%
Benjamin Thery81.31%21.72%
Robert Shearman81.31%10.86%
Stephen Hemminger71.15%10.86%
Lorenzo Colitti60.98%21.72%
Subash Abhinov Kasiviswanathan60.98%10.86%
Madhu Challa50.82%10.86%
Michal Kubeček50.82%10.86%
Alexander Duyck50.82%10.86%
Gao Feng50.82%10.86%
James Morris50.82%10.86%
Krister Johansen30.49%10.86%
Vincent Bernat30.49%10.86%
Daniel Borkmann30.49%10.86%
Scott Feldman30.49%10.86%
Nikolay Aleksandrov30.49%10.86%
Greg Kroah-Hartman10.16%10.86%
Vasiliy Kulikov10.16%10.86%
Total611100.00%116100.00%
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