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OpenCloudOS-Kernel/net/netfilter
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Toke Høiland-Jørgensen b60a60405f netfilter: Add nf_ct_get_tuple_skb global lookup function 
This adds a global netfilter function to extract a conntrack tuple from an
skb. The function uses a new function added to nf_ct_hook, which will try
to get the tuple from skb->_nfct, and do a full lookup if that fails. This
makes it possible to use the lookup function before the skb has passed
through the conntrack init hooks (e.g., in an ingress qdisc). The tuple is
copied to the caller to avoid issues with reference counting.

The function returns false if conntrack is not loaded, allowing it to be
used without incurring a module dependency on conntrack. This is used by
the NAT mode in sch_cake.

Cc: netfilter-devel@vger.kernel.org
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2018-07-10 20:06:34 -07:00
..
ipset netfilter: ipset: forbid family for hash:mac sets 2018-06-06 14:01:00 +02:00
ipvs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
Kconfig netfilter: nf_tables: add connlimit support 2018-06-03 01:18:29 +02:00
Makefile netfilter: nf_tables: add connlimit support 2018-06-03 01:18:29 +02:00
core.c netfilter: Add nf_ct_get_tuple_skb global lookup function 2018-07-10 20:06:34 -07:00
nf_conncount.c netfilter: nf_conncount: fix garbage collection confirm race 2018-06-26 18:28:57 +02:00
nf_conntrack_acct.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
nf_conntrack_amanda.c netfilter: use nf_conntrack_helpers_register when possible 2017-06-19 19:13:21 +02:00
nf_conntrack_broadcast.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
nf_conntrack_core.c netfilter: Add nf_ct_get_tuple_skb global lookup function 2018-07-10 20:06:34 -07:00
nf_conntrack_ecache.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
nf_conntrack_expect.c proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
nf_conntrack_extend.c netfilter: conntrack: include kmemleak.h for kmemleak_not_leak() 2018-04-17 10:59:43 +02:00
nf_conntrack_ftp.c netfilter: add __exit mark to helper modules 2018-04-24 10:29:14 +02:00
nf_conntrack_h323_asn1.c netfilter: nf_conntrack_h323: Remove unwanted comments. 2018-01-08 18:01:05 +01:00
nf_conntrack_h323_main.c netfilter: move route indirection to struct nf_ipv6_ops 2018-01-08 18:01:26 +01:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: nf_ct_helper: Fix possible panic after nf_conntrack_helper_unregister 2018-06-18 14:15:12 +02:00
nf_conntrack_irc.c netfilter: add __exit mark to helper modules 2018-04-24 10:29:14 +02:00
nf_conntrack_l3proto_generic.c netfilter: conntrack: place print_tuple in procfs part 2017-08-24 18:52:32 +02:00
nf_conntrack_labels.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_netbios_ns.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-03-30 11:41:18 -04:00
nf_conntrack_netlink.c netfilter: ctnetlink: avoid null pointer dereference 2018-06-12 19:31:07 +02:00
nf_conntrack_pptp.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_proto.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
nf_conntrack_proto_dccp.c netfilter: conntrack: l4 protocol trackers can be const 2018-01-08 18:00:54 +01:00
nf_conntrack_proto_generic.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_proto_gre.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
nf_conntrack_proto_sctp.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_proto_tcp.c netfilter: Fix handling simultaneous open in TCP conntrack 2018-04-27 00:39:29 +02:00
nf_conntrack_proto_udp.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_sane.c netfilter: add __exit mark to helper modules 2018-04-24 10:29:14 +02:00
nf_conntrack_seqadj.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_sip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-05-06 21:51:37 -04:00
nf_conntrack_snmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-03-30 11:41:18 -04:00
nf_conntrack_standalone.c proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
nf_conntrack_tftp.c netfilter: add __exit mark to helper modules 2018-04-24 10:29:14 +02:00
nf_conntrack_timeout.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_timestamp.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
nf_dup_netdev.c netfilter: dup: resolve warnings about missing prototypes 2017-05-29 11:32:36 +02:00
nf_flow_table_core.c netfilter: nf_flow_table: fix offloading connections with SNAT+DNAT 2018-04-24 10:29:07 +02:00
nf_flow_table_inet.c netfilter: nf_flow_table: move init code to nf_flow_table_core.c 2018-04-24 10:28:45 +02:00
nf_flow_table_ip.c netfilter: nf_flow_table: attach dst to skbs 2018-06-01 09:47:36 +02:00
nf_internals.h netfilter: core: export raw versions of add/delete hook functions 2018-05-23 09:14:05 +02:00
nf_log.c netfilter: nf_log: don't hold nf_log_mutex during user access 2018-06-26 16:48:40 +02:00
nf_log_common.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
nf_log_netdev.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
nf_nat_amanda.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_core.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
nf_nat_ftp.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
nf_nat_helper.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_irc.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
nf_nat_proto_common.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_proto_dccp.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_proto_sctp.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_proto_tcp.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_proto_udp.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_proto_unknown.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_redirect.c netfilter: nat: merge nf_nat_redirect into nf_nat 2018-05-29 00:25:40 +02:00
nf_nat_sip.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_nat_tftp.c
…
nf_osf.c netfilter: extract Passive OS fingerprint infrastructure from xt_osf 2018-05-07 00:02:11 +02:00
nf_queue.c netfilter: remove duplicated include 2018-01-10 15:32:15 +01:00
nf_sockopt.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nf_synproxy_core.c proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
nf_tables_api.c rhashtable: split rhashtable.h 2018-06-22 13:43:27 +09:00
nf_tables_core.c netfilter: nf_tables: use WARN_ON_ONCE instead of BUG_ON in nft_do_chain() 2018-06-12 19:30:11 +02:00
nf_tables_trace.c netfilter: nf_tables: Allow chain name of up to 255 chars 2017-07-31 20:41:57 +02:00
nfnetlink.c netfilter: nf_tables: fix module unload race 2018-06-12 19:28:18 +02:00
nfnetlink_acct.c netfilter: provide correct argument to nla_strlcpy() 2018-05-24 00:52:35 +02:00
nfnetlink_cthelper.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
nfnetlink_cttimeout.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
nfnetlink_log.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-06-06 18:39:49 -07:00
nfnetlink_queue.c netfilter: nf_queue: augment nfqa_cfg_policy 2018-06-18 14:13:24 +02:00
nft_bitwise.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_byteorder.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_chain_filter.c netfilter: nf_tables: close race between netns exit and rmmod 2018-06-12 19:28:18 +02:00
nft_cmp.c netfilter: mark expected switch fall-throughs 2018-01-08 18:01:01 +01:00
nft_compat.c netfilter: nft_compat: use call_rcu for nfnl_compat_get 2018-05-29 14:50:26 +02:00
nft_connlimit.c netfilter: nf_conncount: Fix garbage collection with zones 2018-06-12 20:07:07 +02:00
nft_counter.c netfilter: nf_tables: add destroy_clone expression 2018-06-03 00:02:11 +02:00
nft_ct.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-03 09:31:58 -04:00
nft_dup_netdev.c netfilter: nf_tables: add packet duplication to the netdev family 2016-01-03 21:04:23 +01:00
nft_dynset.c netfilter: nft_dynset: do not reject set updates with NFT_SET_EVAL 2018-06-12 19:12:48 +02:00
nft_exthdr.c netfilter: nf_tables: merge exthdr expression into nft core 2018-04-27 00:00:56 +02:00
nft_fib.c netfilter: nft_fib: Support existence check 2017-03-13 13:45:36 +01:00
nft_fib_inet.c netfilter: nf_tables: use hook state from xt_action_param structure 2016-11-03 11:52:34 +01:00
nft_fib_netdev.c netfilter: nf_tables: add fib expression to the netdev family 2017-07-31 19:01:40 +02:00
nft_flow_offload.c netfilter: nf_tables: simplify lookup functions 2018-04-24 10:29:09 +02:00
nft_fwd_netdev.c netfilter: nft_fwd_netdev: allow to forward packets via neighbour layer 2018-06-01 10:35:47 +02:00
nft_hash.c netfilter: fix ptr_ret.cocci warnings 2018-06-01 09:38:40 +02:00
nft_immediate.c netfilter: nf_tables: fix chain dependency validation 2018-06-01 09:46:22 +02:00
nft_limit.c netfilter: nft_limit: fix packet ratelimiting 2018-05-23 09:50:28 +02:00
nft_log.c netfilter: nf_tables: add NFT_LOGLEVEL_* enumeration and use it 2018-06-07 16:14:00 -04:00
nft_lookup.c netfilter: nf_tables: fix chain dependency validation 2018-06-01 09:46:22 +02:00
nft_masq.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_meta.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
nft_nat.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nft_numgen.c netfilter: fix ptr_ret.cocci warnings 2018-06-01 09:38:40 +02:00
nft_objref.c netfilter: nf_tables: simplify lookup functions 2018-04-24 10:29:09 +02:00
nft_payload.c netfilter: fix a few (harmless) sparse warnings 2017-08-28 17:42:56 +02:00
nft_queue.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_quota.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_range.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_redir.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_reject.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_reject_inet.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_rt.c netfilter: nf_tables: merge rt expression into nft core 2018-04-27 00:00:55 +02:00
nft_set_bitmap.c netfilter: nf_tables: Simplify set backend selection 2018-04-24 10:29:11 +02:00
nft_set_hash.c netfilter: nf_tables: garbage collection for stateful expressions 2018-06-03 00:02:10 +02:00
nft_set_rbtree.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2018-06-11 14:24:32 -07:00
nft_socket.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
utils.c netfilter: move reroute indirection to struct nf_ipv6_ops 2018-01-08 18:10:53 +01:00
x_tables.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
xt_AUDIT.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CHECKSUM.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CLASSIFY.c
…
xt_CONNSECMARK.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CT.c netfilter: xt_CT: Reject the non-null terminated string from user space 2018-06-01 10:14:51 +02:00
xt_DSCP.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_HL.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_HMARK.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_IDLETIMER.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
xt_LED.c netfilter: x_tables: fix missing timer initialization in xt_LED 2018-02-14 21:05:39 +01:00
xt_LOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NETMAP.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
xt_NFLOG.c netfilter: xt_NFLOG: use nf_log_packet instead of nfulnl_log_packet. 2018-04-19 13:02:44 +02:00
xt_NFQUEUE.c netfilter: xt_NFQUEUE: use pr ratelimiting 2018-02-14 21:05:35 +01:00
xt_RATEEST.c netfilter: make xt_rateest hash table per net 2018-03-05 23:15:44 +01:00
xt_REDIRECT.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
xt_SECMARK.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_TCPMSS.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_TCPOPTSTRIP.c net: Change pseudohdr argument of inet_proto_csum_replace* to be a bool 2015-08-17 21:33:06 -07:00
xt_TEE.c netfilter: Rework xt_TEE netdevice notifier 2018-03-30 10:59:23 -04:00
xt_TPROXY.c netfilter: Libify xt_TPROXY 2018-06-03 00:02:05 +02:00
xt_TRACE.c netfilter: xt_TRACE: add explicitly nf_logger_find_get call 2016-06-23 13:26:49 +02:00
xt_addrtype.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_bpf.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_cgroup.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
xt_cluster.c netfilter: xt_cluster: get rid of xt_cluster_ipv6_is_multicast 2018-03-05 23:15:43 +01:00
xt_comment.c
…
xt_connbytes.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_connlabel.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_connlimit.c netfilter: Refactor nf_conncount 2018-03-20 13:27:17 +01:00
xt_connmark.c netfilter: xt_connmark: fix list corruption on rmmod 2018-06-12 19:35:52 +02:00
xt_conntrack.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_cpu.c
…
xt_dccp.c
…
xt_devgroup.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_dscp.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_ecn.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_esp.c
…
xt_hashlimit.c netfilter/xt_hashlimit: switch to proc_create_{seq,single}_data 2018-05-16 07:24:30 +02:00
xt_helper.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_hl.c
…
xt_ipcomp.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_iprange.c
…
xt_ipvs.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_l2tp.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_length.c
…
xt_limit.c netfilter: xt_limit: Spelling s/maxmum/maximum/ 2018-03-05 23:15:50 +01:00
xt_mac.c
…
xt_mark.c netfilter: xt_MARK: Add ARP support 2015-05-14 13:00:27 +02:00
xt_multiport.c netfilter: xt_multiport: Fix wrong unmatch result with multiple ports 2016-12-06 21:48:20 +01:00
xt_nat.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
xt_nfacct.c netfilter: nfnetlink_acct: remove useless parameter 2018-03-05 23:15:43 +01:00
xt_osf.c netfilter: extract Passive OS fingerprint infrastructure from xt_osf 2018-05-07 00:02:11 +02:00
xt_owner.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
xt_physdev.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_pkttype.c netfilter: pkttype: unnecessary to check ipv6 multicast address 2017-01-18 20:32:43 +01:00
xt_policy.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_quota.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_rateest.c netfilter: make xt_rateest hash table per net 2018-03-05 23:15:44 +01:00
xt_realm.c
…
xt_recent.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
xt_repldata.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xt_sctp.c sctp: remove the typedef sctp_chunkhdr_t 2017-07-01 09:08:41 -07:00
xt_set.c netfilter: ipset: Limit max timeout value 2018-06-06 14:00:54 +02:00
xt_socket.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
xt_state.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_statistic.c netfilter: x_tables: fix pointer leaks to userspace 2018-01-31 14:59:24 +01:00
xt_string.c netfilter: ebtables: Add string filter 2018-03-30 11:04:12 +02:00
xt_tcpmss.c
…
xt_tcpudp.c netfilter: Convert FWINV<[foo]> macros and uses to NF_INVF 2016-07-03 10:55:07 +02:00
xt_time.c netfilter: Replace printk() with pr_*() and define pr_fmt() 2018-03-20 13:44:14 +01:00
xt_u32.c
…