| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __NETNS_CONNTRACK_H |
| 3 | #define __NETNS_CONNTRACK_H |
| 4 | |
| 5 | #include <linux/list.h> |
| 6 | #include <linux/list_nulls.h> |
| 7 | #include <linux/atomic.h> |
| 8 | #include <linux/workqueue.h> |
| 9 | #include <linux/netfilter/nf_conntrack_tcp.h> |
| 10 | #ifdef CONFIG_NF_CT_PROTO_DCCP |
| 11 | #include <linux/netfilter/nf_conntrack_dccp.h> |
| 12 | #endif |
| 13 | #ifdef CONFIG_NF_CT_PROTO_SCTP |
| 14 | #include <linux/netfilter/nf_conntrack_sctp.h> |
| 15 | #endif |
| 16 | #include <linux/seqlock.h> |
| 17 | |
| 18 | struct ctl_table_header; |
| 19 | struct nf_conntrack_ecache; |
| 20 | |
| 21 | struct nf_generic_net { |
| 22 | unsigned int timeout; |
| 23 | }; |
| 24 | |
| 25 | struct nf_tcp_net { |
| 26 | unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX]; |
| 27 | u8 tcp_loose; |
| 28 | u8 tcp_be_liberal; |
| 29 | u8 tcp_max_retrans; |
| 30 | u8 tcp_ignore_invalid_rst; |
| 31 | #if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| 32 | unsigned int offload_timeout; |
| 33 | #endif |
| 34 | }; |
| 35 | |
| 36 | enum udp_conntrack { |
| 37 | UDP_CT_UNREPLIED, |
| 38 | UDP_CT_REPLIED, |
| 39 | UDP_CT_MAX |
| 40 | }; |
| 41 | |
| 42 | struct nf_udp_net { |
| 43 | unsigned int timeouts[UDP_CT_MAX]; |
| 44 | #if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| 45 | unsigned int offload_timeout; |
| 46 | #endif |
| 47 | }; |
| 48 | |
| 49 | struct nf_icmp_net { |
| 50 | unsigned int timeout; |
| 51 | }; |
| 52 | |
| 53 | #ifdef CONFIG_NF_CT_PROTO_DCCP |
| 54 | struct nf_dccp_net { |
| 55 | u8 dccp_loose; |
| 56 | unsigned int dccp_timeout[CT_DCCP_MAX + 1]; |
| 57 | }; |
| 58 | #endif |
| 59 | |
| 60 | #ifdef CONFIG_NF_CT_PROTO_SCTP |
| 61 | struct nf_sctp_net { |
| 62 | unsigned int timeouts[SCTP_CONNTRACK_MAX]; |
| 63 | }; |
| 64 | #endif |
| 65 | |
| 66 | #ifdef CONFIG_NF_CT_PROTO_GRE |
| 67 | enum gre_conntrack { |
| 68 | GRE_CT_UNREPLIED, |
| 69 | GRE_CT_REPLIED, |
| 70 | GRE_CT_MAX |
| 71 | }; |
| 72 | |
| 73 | struct nf_gre_net { |
| 74 | struct list_head keymap_list; |
| 75 | unsigned int timeouts[GRE_CT_MAX]; |
| 76 | }; |
| 77 | #endif |
| 78 | |
| 79 | struct nf_ip_net { |
| 80 | struct nf_generic_net generic; |
| 81 | struct nf_tcp_net tcp; |
| 82 | struct nf_udp_net udp; |
| 83 | struct nf_icmp_net icmp; |
| 84 | struct nf_icmp_net icmpv6; |
| 85 | #ifdef CONFIG_NF_CT_PROTO_DCCP |
| 86 | struct nf_dccp_net dccp; |
| 87 | #endif |
| 88 | #ifdef CONFIG_NF_CT_PROTO_SCTP |
| 89 | struct nf_sctp_net sctp; |
| 90 | #endif |
| 91 | #ifdef CONFIG_NF_CT_PROTO_GRE |
| 92 | struct nf_gre_net gre; |
| 93 | #endif |
| 94 | }; |
| 95 | |
| 96 | struct netns_ct { |
| 97 | #ifdef CONFIG_NF_CONNTRACK_EVENTS |
| 98 | bool ecache_dwork_pending; |
| 99 | #endif |
| 100 | u8 sysctl_log_invalid; /* Log invalid packets */ |
| 101 | u8 sysctl_events; |
| 102 | u8 sysctl_acct; |
| 103 | u8 sysctl_tstamp; |
| 104 | u8 sysctl_checksum; |
| 105 | |
| 106 | struct ip_conntrack_stat __percpu *stat; |
| 107 | struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb; |
| 108 | struct nf_ip_net nf_ct_proto; |
| 109 | #if defined(CONFIG_NF_CONNTRACK_LABELS) |
| 110 | atomic_t labels_used; |
| 111 | #endif |
| 112 | }; |
| 113 | #endif |
| 114 |