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 #ifdef CONFIG_NF_CT_PROTO_UDPLITE 73 enum udplite_conntrack { 74 UDPLITE_CT_UNREPLIED, 75 UDPLITE_CT_REPLIED, 76 UDPLITE_CT_MAX 77 }; 78 79 struct nf_udplite_net { 80 struct nf_proto_net pn; 81 unsigned int timeouts[UDPLITE_CT_MAX]; 82 }; 83 #endif 84 85 struct nf_ip_net { 86 struct nf_generic_net generic; 87 struct nf_tcp_net tcp; 88 struct nf_udp_net udp; 89 struct nf_icmp_net icmp; 90 struct nf_icmp_net icmpv6; 91 #ifdef CONFIG_NF_CT_PROTO_DCCP 92 struct nf_dccp_net dccp; 93 #endif 94 #ifdef CONFIG_NF_CT_PROTO_SCTP 95 struct nf_sctp_net sctp; 96 #endif 97 #ifdef CONFIG_NF_CT_PROTO_UDPLITE 98 struct nf_udplite_net udplite; 99 #endif 100 }; 101 102 struct ct_pcpu { 103 spinlock_t lock; 104 struct hlist_nulls_head unconfirmed; 105 struct hlist_nulls_head dying; 106 }; 107 108 struct netns_ct { 109 atomic_t count; 110 unsigned int expect_count; 111 #ifdef CONFIG_NF_CONNTRACK_EVENTS 112 struct delayed_work ecache_dwork; 113 bool ecache_dwork_pending; 114 #endif 115 #ifdef CONFIG_SYSCTL 116 struct ctl_table_header *sysctl_header; 117 struct ctl_table_header *acct_sysctl_header; 118 struct ctl_table_header *tstamp_sysctl_header; 119 struct ctl_table_header *event_sysctl_header; 120 struct ctl_table_header *helper_sysctl_header; 121 #endif 122 unsigned int sysctl_log_invalid; /* Log invalid packets */ 123 int sysctl_events; 124 int sysctl_acct; 125 int sysctl_auto_assign_helper; 126 bool auto_assign_helper_warned; 127 int sysctl_tstamp; 128 int sysctl_checksum; 129 130 struct ct_pcpu __percpu *pcpu_lists; 131 struct ip_conntrack_stat __percpu *stat; 132 struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb; 133 struct nf_exp_event_notifier __rcu *nf_expect_event_cb; 134 struct nf_ip_net nf_ct_proto; 135 #if defined(CONFIG_NF_CONNTRACK_LABELS) 136 unsigned int labels_used; 137 #endif 138 }; 139 #endif 140