root/include/net/netns/ipv4.h

INCLUDED FROM

/*
 * ipv4 in net namespaces
 */

#ifndef __NETNS_IPV4_H__
#define __NETNS_IPV4_H__

#include <linux/uidgid.h>
#include <net/inet_frag.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];
};

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

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        *fib_local;
        struct fib_table        *fib_main;
        struct fib_table        *fib_default;
#endif
#ifdef CONFIG_IP_ROUTE_CLASSID
        int                     fib_num_tclassid_users;
#endif
        struct hlist_head       *fib_table_hash;
        struct sock             *fibnl;

        struct sock             **icmp_sk;
        struct inet_peer_base   *peers;
        struct tcpm_hash_bucket *tcp_metrics_hash;
        unsigned int            tcp_metrics_hash_log;
        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_ip_no_pmtu_disc;
        int sysctl_ip_fwd_use_pmtu;
        int sysctl_ip_nonlocal_bind;

        int sysctl_fwmark_reflect;
        int sysctl_tcp_fwmark_accept;

        struct ping_group_range ping_group_range;

        atomic_t dev_addr_genid;

#ifdef CONFIG_SYSCTL
        unsigned long *sysctl_local_reserved_ports;
#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
        atomic_t        rt_genid;
};
#endif