1 #ifndef __NETNS_CONNTRACK_H 2 #define __NETNS_CONNTRACK_H 3 4 #include <linux/list.h> 5 #include <linux/list_nulls.h> 6 #include <linux/atomic.h> 7 #include <linux/workqueue.h> 8 #include <linux/netfilter/nf_conntrack_tcp.h> 9 #ifdef CONFIG_NF_CT_PROTO_DCCP 10 #include <linux/netfilter/nf_conntrack_dccp.h> 11 #endif 12 #ifdef CONFIG_NF_CT_PROTO_SCTP 13 #include <linux/netfilter/nf_conntrack_sctp.h> 14 #endif 15 #include <linux/seqlock.h> 16 17 struct ctl_table_header; 18 struct nf_conntrack_ecache; 19 20 struct nf_proto_net { 21 #ifdef CONFIG_SYSCTL 22 struct ctl_table_header *ctl_table_header; 23 struct ctl_table *ctl_table; 24 #endif 25 unsigned int users; 26 }; 27 28 struct nf_generic_net { 29 struct nf_proto_net pn; 30 unsigned int timeout; 31 }; 32 33 struct nf_tcp_net { 34 struct nf_proto_net pn; 35 unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX]; 36 unsigned int tcp_loose; 37 unsigned int tcp_be_liberal; 38 unsigned int tcp_max_retrans; 39 }; 40 41 enum udp_conntrack { 42 UDP_CT_UNREPLIED, 43 UDP_CT_REPLIED, 44 UDP_CT_MAX 45 }; 46 47 struct nf_udp_net { 48 struct nf_proto_net pn; 49 unsigned int timeouts[UDP_CT_MAX]; 50 }; 51 52 struct nf_icmp_net { 53 struct nf_proto_net pn; 54 unsigned int timeout; 55 }; 56 57 #ifdef CONFIG_NF_CT_PROTO_DCCP 58 struct nf_dccp_net { 59 struct nf_proto_net pn; 60 int dccp_loose; 61 unsigned int dccp_timeout[CT_DCCP_MAX + 1]; 62 }; 63 #endif 64 65 #ifdef CONFIG_NF_CT_PROTO_SCTP 66 struct nf_sctp_net { 67 struct nf_proto_net pn; 68 unsigned int timeouts[SCTP_CONNTRACK_MAX]; 69 }; 70 #endif 71 72 struct nf_ip_net { 73 struct nf_generic_net generic; 74 struct nf_tcp_net tcp; 75 struct nf_udp_net udp; 76 struct nf_icmp_net icmp; 77 struct nf_icmp_net icmpv6; 78 #ifdef CONFIG_NF_CT_PROTO_DCCP 79 struct nf_dccp_net dccp; 80 #endif 81 #ifdef CONFIG_NF_CT_PROTO_SCTP 82 struct nf_sctp_net sctp; 83 #endif 84 }; 85 86 struct ct_pcpu { 87 spinlock_t lock; 88 struct hlist_nulls_head unconfirmed; 89 struct hlist_nulls_head dying; 90 }; 91 92 struct netns_ct { 93 atomic_t count; 94 unsigned int expect_count; 95 #ifdef CONFIG_NF_CONNTRACK_EVENTS 96 struct delayed_work ecache_dwork; 97 bool ecache_dwork_pending; 98 #endif 99 #ifdef CONFIG_SYSCTL 100 struct ctl_table_header *sysctl_header; 101 struct ctl_table_header *acct_sysctl_header; 102 struct ctl_table_header *tstamp_sysctl_header; 103 struct ctl_table_header *event_sysctl_header; 104 struct ctl_table_header *helper_sysctl_header; 105 #endif 106 unsigned int sysctl_log_invalid; /* Log invalid packets */ 107 int sysctl_events; 108 int sysctl_acct; 109 int sysctl_auto_assign_helper; 110 bool auto_assign_helper_warned; 111 int sysctl_tstamp; 112 int sysctl_checksum; 113 114 struct ct_pcpu __percpu *pcpu_lists; 115 struct ip_conntrack_stat __percpu *stat; 116 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb; 117 struct nf_exp_event_notifier __rcu *nf_expect_event_cb; 118 struct nf_ip_net nf_ct_proto; 119 #if defined(CONFIG_NF_CONNTRACK_LABELS) 120 unsigned int labels_used; 121 #endif 122 }; 123 #endif 124