| 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_SCTP |
| 11 | #include <linux/netfilter/nf_conntrack_sctp.h> |
| 12 | #endif |
| 13 | #include <linux/seqlock.h> |
| 14 | |
| 15 | struct ctl_table_header; |
| 16 | struct nf_conntrack_ecache; |
| 17 | |
| 18 | struct nf_generic_net { |
| 19 | unsigned int timeout; |
| 20 | }; |
| 21 | |
| 22 | struct nf_tcp_net { |
| 23 | unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX]; |
| 24 | u8 tcp_loose; |
| 25 | u8 tcp_be_liberal; |
| 26 | u8 tcp_max_retrans; |
| 27 | u8 tcp_ignore_invalid_rst; |
| 28 | #if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| 29 | unsigned int offload_timeout; |
| 30 | #endif |
| 31 | }; |
| 32 | |
| 33 | enum udp_conntrack { |
| 34 | UDP_CT_UNREPLIED, |
| 35 | UDP_CT_REPLIED, |
| 36 | UDP_CT_MAX |
| 37 | }; |
| 38 | |
| 39 | struct nf_udp_net { |
| 40 | unsigned int timeouts[UDP_CT_MAX]; |
| 41 | #if IS_ENABLED(CONFIG_NF_FLOW_TABLE) |
| 42 | unsigned int offload_timeout; |
| 43 | #endif |
| 44 | }; |
| 45 | |
| 46 | struct nf_icmp_net { |
| 47 | unsigned int timeout; |
| 48 | }; |
| 49 | |
| 50 | #ifdef CONFIG_NF_CT_PROTO_SCTP |
| 51 | struct nf_sctp_net { |
| 52 | unsigned int timeouts[SCTP_CONNTRACK_MAX]; |
| 53 | }; |
| 54 | #endif |
| 55 | |
| 56 | #ifdef CONFIG_NF_CT_PROTO_GRE |
| 57 | enum gre_conntrack { |
| 58 | GRE_CT_UNREPLIED, |
| 59 | GRE_CT_REPLIED, |
| 60 | GRE_CT_MAX |
| 61 | }; |
| 62 | |
| 63 | struct nf_gre_net { |
| 64 | struct list_head keymap_list; |
| 65 | unsigned int timeouts[GRE_CT_MAX]; |
| 66 | }; |
| 67 | #endif |
| 68 | |
| 69 | struct nf_ip_net { |
| 70 | struct nf_generic_net generic; |
| 71 | struct nf_tcp_net tcp; |
| 72 | struct nf_udp_net udp; |
| 73 | struct nf_icmp_net icmp; |
| 74 | struct nf_icmp_net icmpv6; |
| 75 | #ifdef CONFIG_NF_CT_PROTO_SCTP |
| 76 | struct nf_sctp_net sctp; |
| 77 | #endif |
| 78 | #ifdef CONFIG_NF_CT_PROTO_GRE |
| 79 | struct nf_gre_net gre; |
| 80 | #endif |
| 81 | }; |
| 82 | |
| 83 | struct netns_ct { |
| 84 | #ifdef CONFIG_NF_CONNTRACK_EVENTS |
| 85 | bool ecache_dwork_pending; |
| 86 | #endif |
| 87 | u8 sysctl_log_invalid; /* Log invalid packets */ |
| 88 | u8 sysctl_events; |
| 89 | u8 sysctl_acct; |
| 90 | u8 sysctl_tstamp; |
| 91 | u8 sysctl_checksum; |
| 92 | |
| 93 | struct ip_conntrack_stat __percpu *stat; |
| 94 | struct nf_ct_event_notifier __rcu *nf_conntrack_event_cb; |
| 95 | struct nf_ip_net nf_ct_proto; |
| 96 | #if defined(CONFIG_NF_CONNTRACK_LABELS) |
| 97 | atomic_t labels_used; |
| 98 | #endif |
| 99 | }; |
| 100 | #endif |
| 101 |