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Initial commit: Linux kernel 4.19 for Unplugged OS

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ziv committed 2025-10-06 13:52:42 +00:00
commit d30235b04c
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include/net/netns/can.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* can in net namespaces
*/
#ifndef __NETNS_CAN_H__
#define __NETNS_CAN_H__
#include <linux/spinlock.h>
struct can_dev_rcv_lists;
struct s_stats;
struct s_pstats;
struct netns_can {
#if IS_ENABLED(CONFIG_PROC_FS)
struct proc_dir_entry *proc_dir;
struct proc_dir_entry *pde_version;
struct proc_dir_entry *pde_stats;
struct proc_dir_entry *pde_reset_stats;
struct proc_dir_entry *pde_rcvlist_all;
struct proc_dir_entry *pde_rcvlist_fil;
struct proc_dir_entry *pde_rcvlist_inv;
struct proc_dir_entry *pde_rcvlist_sff;
struct proc_dir_entry *pde_rcvlist_eff;
struct proc_dir_entry *pde_rcvlist_err;
struct proc_dir_entry *bcmproc_dir;
#endif
/* receive filters subscribed for 'all' CAN devices */
struct can_dev_rcv_lists *can_rx_alldev_list;
spinlock_t can_rcvlists_lock;
struct timer_list can_stattimer;/* timer for statistics update */
struct s_stats *can_stats; /* packet statistics */
struct s_pstats *can_pstats; /* receive list statistics */
/* CAN GW per-net gateway jobs */
struct hlist_head cgw_list;
};
#endif /* __NETNS_CAN_H__ */
include/net/netns/conntrack.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_CONNTRACK_H
#define __NETNS_CONNTRACK_H
#include <linux/list.h>
#include <linux/list_nulls.h>
#include <linux/atomic.h>
#include <linux/workqueue.h>
#include <linux/netfilter/nf_conntrack_tcp.h>
#ifdef CONFIG_NF_CT_PROTO_DCCP
#include <linux/netfilter/nf_conntrack_dccp.h>
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
#include <linux/netfilter/nf_conntrack_sctp.h>
#endif
#include <linux/seqlock.h>
struct ctl_table_header;
struct nf_conntrack_ecache;
struct nf_proto_net {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *ctl_table_header;
struct ctl_table *ctl_table;
#endif
unsigned int users;
};
struct nf_generic_net {
struct nf_proto_net pn;
unsigned int timeout;
};
struct nf_tcp_net {
struct nf_proto_net pn;
unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
unsigned int tcp_loose;
unsigned int tcp_be_liberal;
unsigned int tcp_max_retrans;
};
enum udp_conntrack {
UDP_CT_UNREPLIED,
UDP_CT_REPLIED,
UDP_CT_MAX
};
struct nf_udp_net {
struct nf_proto_net pn;
unsigned int timeouts[UDP_CT_MAX];
};
struct nf_icmp_net {
struct nf_proto_net pn;
unsigned int timeout;
};
#ifdef CONFIG_NF_CT_PROTO_DCCP
struct nf_dccp_net {
struct nf_proto_net pn;
int dccp_loose;
unsigned int dccp_timeout[CT_DCCP_MAX + 1];
};
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net {
struct nf_proto_net pn;
unsigned int timeouts[SCTP_CONNTRACK_MAX];
};
#endif
struct nf_ip_net {
struct nf_generic_net generic;
struct nf_tcp_net tcp;
struct nf_udp_net udp;
struct nf_icmp_net icmp;
struct nf_icmp_net icmpv6;
#ifdef CONFIG_NF_CT_PROTO_DCCP
struct nf_dccp_net dccp;
#endif
#ifdef CONFIG_NF_CT_PROTO_SCTP
struct nf_sctp_net sctp;
#endif
};
struct ct_pcpu {
spinlock_t lock;
struct hlist_nulls_head unconfirmed;
struct hlist_nulls_head dying;
};
struct netns_ct {
atomic_t count;
unsigned int expect_count;
#ifdef CONFIG_NF_CONNTRACK_EVENTS
struct delayed_work ecache_dwork;
bool ecache_dwork_pending;
#endif
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_header;
struct ctl_table_header *acct_sysctl_header;
struct ctl_table_header *tstamp_sysctl_header;
struct ctl_table_header *event_sysctl_header;
struct ctl_table_header *helper_sysctl_header;
#endif
unsigned int sysctl_log_invalid; /* Log invalid packets */
int sysctl_events;
int sysctl_acct;
int sysctl_auto_assign_helper;
bool auto_assign_helper_warned;
int sysctl_tstamp;
int sysctl_checksum;
struct ct_pcpu __percpu *pcpu_lists;
struct ip_conntrack_stat __percpu *stat;
struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb;
struct nf_exp_event_notifier __rcu *nf_expect_event_cb;
struct nf_ip_net nf_ct_proto;
#if defined(CONFIG_NF_CONNTRACK_LABELS)
unsigned int labels_used;
#endif
};
#endif
include/net/netns/core.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_CORE_H__
#define __NETNS_CORE_H__
struct ctl_table_header;
struct prot_inuse;
struct netns_core {
/* core sysctls */
struct ctl_table_header *sysctl_hdr;
int sysctl_somaxconn;
#ifdef CONFIG_PROC_FS
int __percpu *sock_inuse;
struct prot_inuse __percpu *prot_inuse;
#endif
};
#endif
include/net/netns/dccp.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_DCCP_H__
#define __NETNS_DCCP_H__
struct sock;
struct netns_dccp {
struct sock *v4_ctl_sk;
struct sock *v6_ctl_sk;
};
#endif
include/net/netns/generic.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* generic net pointers
*/
#ifndef __NET_GENERIC_H__
#define __NET_GENERIC_H__
#include <linux/bug.h>
#include <linux/rcupdate.h>
/*
* Generic net pointers are to be used by modules to put some private
* stuff on the struct net without explicit struct net modification
*
* The rules are simple:
* 1. set pernet_operations->id. After register_pernet_device you
* will have the id of your private pointer.
* 2. set pernet_operations->size to have the code allocate and free
* a private structure pointed to from struct net.
* 3. do not change this pointer while the net is alive;
* 4. do not try to have any private reference on the net_generic object.
*
* After accomplishing all of the above, the private pointer can be
* accessed with the net_generic() call.
*/
struct net_generic {
union {
struct {
unsigned int len;
struct rcu_head rcu;
} s;
void *ptr[0];
};
};
static inline void *net_generic(const struct net *net, unsigned int id)
{
struct net_generic *ng;
void *ptr;
rcu_read_lock();
ng = rcu_dereference(net->gen);
ptr = ng->ptr[id];
rcu_read_unlock();
return ptr;
}
#endif
include/net/netns/hash.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_NS_HASH_H__
#define __NET_NS_HASH_H__
#include <net/net_namespace.h>
static inline u32 net_hash_mix(const struct net *net)
{
return net->hash_mix;
}
#endif
include/net/netns/ieee802154_6lowpan.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* ieee802154 6lowpan in net namespaces
*/
#include <net/inet_frag.h>
#ifndef __NETNS_IEEE802154_6LOWPAN_H__
#define __NETNS_IEEE802154_6LOWPAN_H__
struct netns_sysctl_lowpan {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *frags_hdr;
#endif
};
struct netns_ieee802154_lowpan {
struct netns_sysctl_lowpan sysctl;
struct netns_frags frags;
};
#endif
include/net/netns/ipv4.h
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/* 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>
#include <linux/siphash.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;
struct ip_ra_chain __rcu *ra_chain;
struct mutex ra_mutex;
#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rules_ops *rules_ops;
bool fib_has_custom_rules;
unsigned int fib_rules_require_fldissect;
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_fwd_update_priority;
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_min_snd_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];
int sysctl_tcp_comp_sack_nr;
unsigned long sysctl_tcp_comp_sack_delay_ns;
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;
int sysctl_udp_wmem_min;
int sysctl_udp_rmem_min;
#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;
siphash_key_t ip_id_key;
};
#endif
include/net/netns/ipv6.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* ipv6 in net namespaces
*/
#include <net/inet_frag.h>
#ifndef __NETNS_IPV6_H__
#define __NETNS_IPV6_H__
#include <net/dst_ops.h>
struct ctl_table_header;
struct netns_sysctl_ipv6 {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *hdr;
struct ctl_table_header *route_hdr;
struct ctl_table_header *icmp_hdr;
struct ctl_table_header *frags_hdr;
struct ctl_table_header *xfrm6_hdr;
#endif
int bindv6only;
int flush_delay;
int ip6_rt_max_size;
int ip6_rt_gc_min_interval;
int ip6_rt_gc_timeout;
int ip6_rt_gc_interval;
int ip6_rt_gc_elasticity;
int ip6_rt_mtu_expires;
int ip6_rt_min_advmss;
int multipath_hash_policy;
int flowlabel_consistency;
int auto_flowlabels;
int icmpv6_time;
int icmpv6_echo_ignore_all;
int anycast_src_echo_reply;
int ip_nonlocal_bind;
int fwmark_reflect;
int idgen_retries;
int idgen_delay;
int flowlabel_state_ranges;
int flowlabel_reflect;
int max_dst_opts_cnt;
int max_hbh_opts_cnt;
int max_dst_opts_len;
int max_hbh_opts_len;
int seg6_flowlabel;
};
struct netns_ipv6 {
struct netns_sysctl_ipv6 sysctl;
struct ipv6_devconf *devconf_all;
struct ipv6_devconf *devconf_dflt;
struct inet_peer_base *peers;
struct netns_frags frags;
#ifdef CONFIG_NETFILTER
struct xt_table *ip6table_filter;
struct xt_table *ip6table_mangle;
struct xt_table *ip6table_raw;
#ifdef CONFIG_SECURITY
struct xt_table *ip6table_security;
#endif
struct xt_table *ip6table_nat;
#endif
struct fib6_info *fib6_null_entry;
struct rt6_info *ip6_null_entry;
struct rt6_statistics *rt6_stats;
struct timer_list ip6_fib_timer;
struct hlist_head *fib_table_hash;
struct fib6_table *fib6_main_tbl;
struct list_head fib6_walkers;
struct dst_ops ip6_dst_ops;
rwlock_t fib6_walker_lock;
spinlock_t fib6_gc_lock;
unsigned int ip6_rt_gc_expire;
unsigned long ip6_rt_last_gc;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
unsigned int fib6_rules_require_fldissect;
bool fib6_has_custom_rules;
struct rt6_info *ip6_prohibit_entry;
struct rt6_info *ip6_blk_hole_entry;
struct fib6_table *fib6_local_tbl;
struct fib_rules_ops *fib6_rules_ops;
#endif
struct sock **icmp_sk;
struct sock *ndisc_sk;
struct sock *tcp_sk;
struct sock *igmp_sk;
struct sock *mc_autojoin_sk;
#ifdef CONFIG_IPV6_MROUTE
#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
struct mr_table *mrt6;
#else
struct list_head mr6_tables;
struct fib_rules_ops *mr6_rules_ops;
#endif
#endif
atomic_t dev_addr_genid;
atomic_t fib6_sernum;
struct seg6_pernet_data *seg6_data;
struct fib_notifier_ops *notifier_ops;
struct fib_notifier_ops *ip6mr_notifier_ops;
unsigned int ipmr_seq; /* protected by rtnl_mutex */
struct {
struct hlist_head head;
spinlock_t lock;
u32 seq;
} ip6addrlbl_table;
};
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
struct netns_nf_frag {
struct netns_frags frags;
};
#endif
#endif
include/net/netns/mib.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_MIB_H__
#define __NETNS_MIB_H__
#include <net/snmp.h>
struct netns_mib {
DEFINE_SNMP_STAT(struct tcp_mib, tcp_statistics);
DEFINE_SNMP_STAT(struct ipstats_mib, ip_statistics);
DEFINE_SNMP_STAT(struct linux_mib, net_statistics);
DEFINE_SNMP_STAT(struct udp_mib, udp_statistics);
DEFINE_SNMP_STAT(struct udp_mib, udplite_statistics);
DEFINE_SNMP_STAT(struct icmp_mib, icmp_statistics);
DEFINE_SNMP_STAT_ATOMIC(struct icmpmsg_mib, icmpmsg_statistics);
#if IS_ENABLED(CONFIG_IPV6)
struct proc_dir_entry *proc_net_devsnmp6;
DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6);
DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
DEFINE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
DEFINE_SNMP_STAT_ATOMIC(struct icmpv6msg_mib, icmpv6msg_statistics);
#endif
#ifdef CONFIG_XFRM_STATISTICS
DEFINE_SNMP_STAT(struct linux_xfrm_mib, xfrm_statistics);
#endif
};
#endif
include/net/netns/mpls.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* mpls in net namespaces
*/
#ifndef __NETNS_MPLS_H__
#define __NETNS_MPLS_H__
struct mpls_route;
struct ctl_table_header;
struct netns_mpls {
int ip_ttl_propagate;
int default_ttl;
size_t platform_labels;
struct mpls_route __rcu * __rcu *platform_label;
struct ctl_table_header *ctl;
};
#endif /* __NETNS_MPLS_H__ */
include/net/netns/netfilter.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_NETFILTER_H
#define __NETNS_NETFILTER_H
#include <linux/netfilter_defs.h>
struct proc_dir_entry;
struct nf_logger;
struct nf_queue_handler;
struct netns_nf {
#if defined CONFIG_PROC_FS
struct proc_dir_entry *proc_netfilter;
#endif
const struct nf_queue_handler __rcu *queue_handler;
const struct nf_logger __rcu *nf_loggers[NFPROTO_NUMPROTO];
#ifdef CONFIG_SYSCTL
struct ctl_table_header *nf_log_dir_header;
#endif
struct nf_hook_entries __rcu *hooks_ipv4[NF_INET_NUMHOOKS];
struct nf_hook_entries __rcu *hooks_ipv6[NF_INET_NUMHOOKS];
#ifdef CONFIG_NETFILTER_FAMILY_ARP
struct nf_hook_entries __rcu *hooks_arp[NF_ARP_NUMHOOKS];
#endif
struct nf_hook_entries __rcu *hooks_bridge[NF_INET_NUMHOOKS];
#if IS_ENABLED(CONFIG_DECNET)
struct nf_hook_entries __rcu *hooks_decnet[NF_DN_NUMHOOKS];
#endif
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4)
bool defrag_ipv4;
#endif
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
bool defrag_ipv6;
#endif
};
#endif
include/net/netns/nftables.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NETNS_NFTABLES_H_
#define _NETNS_NFTABLES_H_
#include <linux/list.h>
struct netns_nftables {
struct list_head tables;
struct list_head commit_list;
struct mutex commit_mutex;
unsigned int base_seq;
u8 gencursor;
u8 validate_state;
};
#endif
include/net/netns/packet.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Packet network namespace
*/
#ifndef __NETNS_PACKET_H__
#define __NETNS_PACKET_H__
#include <linux/rculist.h>
#include <linux/mutex.h>
struct netns_packet {
struct mutex sklist_lock;
struct hlist_head sklist;
};
#endif /* __NETNS_PACKET_H__ */
include/net/netns/sctp.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_SCTP_H__
#define __NETNS_SCTP_H__
struct sock;
struct proc_dir_entry;
struct sctp_mib;
struct ctl_table_header;
struct netns_sctp {
DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics);
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_net_sctp;
#endif
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_header;
#endif
/* This is the global socket data structure used for responding to
* the Out-of-the-blue (OOTB) packets. A control sock will be created
* for this socket at the initialization time.
*/
struct sock *ctl_sock;
/* This is the global local address list.
* We actively maintain this complete list of addresses on
* the system by catching address add/delete events.
*
* It is a list of sctp_sockaddr_entry.
*/
struct list_head local_addr_list;
struct list_head addr_waitq;
struct timer_list addr_wq_timer;
struct list_head auto_asconf_splist;
/* Lock that protects both addr_waitq and auto_asconf_splist */
spinlock_t addr_wq_lock;
/* Lock that protects the local_addr_list writers */
spinlock_t local_addr_lock;
/* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
*
* The following protocol parameters are RECOMMENDED:
*
* RTO.Initial - 3 seconds
* RTO.Min - 1 second
* RTO.Max - 60 seconds
* RTO.Alpha - 1/8 (3 when converted to right shifts.)
* RTO.Beta - 1/4 (2 when converted to right shifts.)
*/
unsigned int rto_initial;
unsigned int rto_min;
unsigned int rto_max;
/* Note: rto_alpha and rto_beta are really defined as inverse
* powers of two to facilitate integer operations.
*/
int rto_alpha;
int rto_beta;
/* Max.Burst - 4 */
int max_burst;
/* Whether Cookie Preservative is enabled(1) or not(0) */
int cookie_preserve_enable;
/* The namespace default hmac alg */
char *sctp_hmac_alg;
/* Valid.Cookie.Life - 60 seconds */
unsigned int valid_cookie_life;
/* Delayed SACK timeout 200ms default*/
unsigned int sack_timeout;
/* HB.interval - 30 seconds */
unsigned int hb_interval;
/* Association.Max.Retrans - 10 attempts
* Path.Max.Retrans - 5 attempts (per destination address)
* Max.Init.Retransmits - 8 attempts
*/
int max_retrans_association;
int max_retrans_path;
int max_retrans_init;
/* Potentially-Failed.Max.Retrans sysctl value
* taken from:
* http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
*/
int pf_retrans;
/*
* Disable Potentially-Failed feature, the feature is enabled by default
* pf_enable - 0 : disable pf
* - >0 : enable pf
*/
int pf_enable;
/*
* Policy for preforming sctp/socket accounting
* 0 - do socket level accounting, all assocs share sk_sndbuf
* 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
*/
int sndbuf_policy;
/*
* Policy for preforming sctp/socket accounting
* 0 - do socket level accounting, all assocs share sk_rcvbuf
* 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
*/
int rcvbuf_policy;
int default_auto_asconf;
/* Flag to indicate if addip is enabled. */
int addip_enable;
int addip_noauth;
/* Flag to indicate if PR-SCTP is enabled. */
int prsctp_enable;
/* Flag to indicate if PR-CONFIG is enabled. */
int reconf_enable;
/* Flag to indicate if SCTP-AUTH is enabled */
int auth_enable;
/* Flag to indicate if stream interleave is enabled */
int intl_enable;
/*
* Policy to control SCTP IPv4 address scoping
* 0 - Disable IPv4 address scoping
* 1 - Enable IPv4 address scoping
* 2 - Selectively allow only IPv4 private addresses
* 3 - Selectively allow only IPv4 link local address
*/
int scope_policy;
/* Threshold for rwnd update SACKS. Receive buffer shifted this many
* bits is an indicator of when to send and window update SACK.
*/
int rwnd_upd_shift;
/* Threshold for autoclose timeout, in seconds. */
unsigned long max_autoclose;
};
#endif /* __NETNS_SCTP_H__ */
include/net/netns/unix.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Unix network namespace
*/
#ifndef __NETNS_UNIX_H__
#define __NETNS_UNIX_H__
struct ctl_table_header;
struct netns_unix {
int sysctl_max_dgram_qlen;
struct ctl_table_header *ctl;
};
#endif /* __NETNS_UNIX_H__ */
include/net/netns/x_tables.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_X_TABLES_H
#define __NETNS_X_TABLES_H
#include <linux/list.h>
#include <linux/netfilter_defs.h>
struct ebt_table;
struct netns_xt {
struct list_head tables[NFPROTO_NUMPROTO];
bool notrack_deprecated_warning;
bool clusterip_deprecated_warning;
struct ebt_table *broute_table;
struct ebt_table *frame_filter;
struct ebt_table *frame_nat;
};
#endif
include/net/netns/xfrm.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NETNS_XFRM_H
#define __NETNS_XFRM_H
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/xfrm.h>
#include <net/dst_ops.h>
struct ctl_table_header;
struct xfrm_policy_hash {
struct hlist_head __rcu *table;
unsigned int hmask;
u8 dbits4;
u8 sbits4;
u8 dbits6;
u8 sbits6;
};
struct xfrm_policy_hthresh {
struct work_struct work;
seqlock_t lock;
u8 lbits4;
u8 rbits4;
u8 lbits6;
u8 rbits6;
};
struct netns_xfrm {
struct list_head state_all;
/*
* Hash table to find appropriate SA towards given target (endpoint of
* tunnel or destination of transport mode) allowed by selector.
*
* Main use is finding SA after policy selected tunnel or transport
* mode. Also, it can be used by ah/esp icmp error handler to find
* offending SA.
*/
struct hlist_head __rcu *state_bydst;
struct hlist_head __rcu *state_bysrc;
struct hlist_head __rcu *state_byspi;
unsigned int state_hmask;
unsigned int state_num;
struct work_struct state_hash_work;
struct list_head policy_all;
struct hlist_head *policy_byidx;
unsigned int policy_idx_hmask;
struct hlist_head policy_inexact[XFRM_POLICY_MAX];
struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX];
unsigned int policy_count[XFRM_POLICY_MAX * 2];
struct work_struct policy_hash_work;
struct xfrm_policy_hthresh policy_hthresh;
struct sock *nlsk;
struct sock *nlsk_stash;
u32 sysctl_aevent_etime;
u32 sysctl_aevent_rseqth;
int sysctl_larval_drop;
u32 sysctl_acq_expires;
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_hdr;
#endif
struct dst_ops xfrm4_dst_ops;
#if IS_ENABLED(CONFIG_IPV6)
struct dst_ops xfrm6_dst_ops;
#endif
spinlock_t xfrm_state_lock;
spinlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
};
#endif