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02e4eb7591
linux/net/netfilter
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Eric Dumazet 02e4eb7591 netfilter: xt_hashlimit: RCU conversion 
xt_hashlimit uses a central lock per hash table and suffers from
contention on some workloads. (Multiqueue NIC or if RPS is enabled)

After RCU conversion, central lock is only used when a writer wants to
add or delete an entry.

For 'readers', updating an existing entry, they use an individual lock
per entry.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-04-01 14:35:56 +02:00
..
ipvs netfilter: ipvs: use NFPROTO values for NF_HOOK invocation 2010-03-25 16:03:07 +01:00
core.c sysctl net: Remove unused binary sysctl code 2009-11-12 02:05:06 -08:00
Kconfig netfilter: xtables: resort osf kconfig text 2010-03-18 14:20:06 +01:00
Makefile netfilter: xtables: merge xt_CONNMARK into xt_connmark 2010-03-17 15:48:36 +01:00
nf_conntrack_acct.c sysctl net: Remove unused binary sysctl code 2009-11-12 02:05:06 -08:00
nf_conntrack_amanda.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_conntrack_core.c netfilter: nf_conntrack: add support for "conntrack zones" 2010-02-15 18:13:33 +01:00
nf_conntrack_ecache.c sysctl net: Remove unused binary sysctl code 2009-11-12 02:05:06 -08:00
nf_conntrack_expect.c netfilter: nf_conntrack: add support for "conntrack zones" 2010-02-15 18:13:33 +01:00
nf_conntrack_extend.c netfilter: don't use INIT_RCU_HEAD() 2010-02-12 06:25:36 +01:00
nf_conntrack_ftp.c netfilter: nf_ct_ftp: fix out of bounds read in update_nl_seq() 2010-01-07 18:33:18 +01:00
nf_conntrack_h323_asn1.c
nf_conntrack_h323_main.c netfilter: nf_conntrack: add support for "conntrack zones" 2010-02-15 18:13:33 +01:00
nf_conntrack_h323_types.c
nf_conntrack_helper.c Merge branch 'master' of /repos/git/net-next-2.6 2010-02-10 14:17:10 +01:00
nf_conntrack_irc.c netfilter: fix endian bug in conntrack printks 2009-03-28 23:55:57 -07:00
nf_conntrack_l3proto_generic.c
nf_conntrack_netbios_ns.c net: skb->rtable accessor 2009-06-03 02:51:02 -07:00
nf_conntrack_netlink.c netfilter: ctnetlink: compute message size properly 2010-04-01 12:39:19 +02:00
nf_conntrack_pptp.c netfilter: nf_conntrack: add support for "conntrack zones" 2010-02-15 18:13:33 +01:00
nf_conntrack_proto_dccp.c netfilter: nf_conntrack: pass template to l4proto ->error() handler 2010-02-15 17:45:08 +01:00
nf_conntrack_proto_generic.c sysctl net: Remove unused binary sysctl code 2009-11-12 02:05:06 -08:00
nf_conntrack_proto_gre.c netfilter: nf_conntrack: split up IPCT_STATUS event 2010-02-03 13:48:53 +01:00
nf_conntrack_proto_sctp.c netfilter: nf_conntrack: split up IPCT_STATUS event 2010-02-03 13:48:53 +01:00
nf_conntrack_proto_tcp.c netfilter: nf_conntrack: pass template to l4proto ->error() handler 2010-02-15 17:45:08 +01:00
nf_conntrack_proto_udp.c netfilter: nf_conntrack: pass template to l4proto ->error() handler 2010-02-15 17:45:08 +01:00
nf_conntrack_proto_udplite.c netfilter: nf_conntrack: pass template to l4proto ->error() handler 2010-02-15 17:45:08 +01:00
nf_conntrack_proto.c netfilter: ctnetlink: add callbacks to the per-proto nlattrs 2009-03-25 18:24:48 +01:00
nf_conntrack_sane.c netfilter: nf_conntrack: connection tracking helper name persistent aliases 2008-11-17 16:01:42 +01:00
nf_conntrack_sip.c Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
nf_conntrack_standalone.c netfilter: nf_conntrack: add support for "conntrack zones" 2010-02-15 18:13:33 +01:00
nf_conntrack_tftp.c netfilter: nf_conntrack: connection tracking helper name persistent aliases 2008-11-17 16:01:42 +01:00
nf_internals.h netfilter: Use unsigned types for hooknum and pf vars 2008-10-08 11:35:00 +02:00
nf_log.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6 2009-12-08 07:38:50 -08:00
nf_queue.c netfilter: nf_queue: fix NF_STOLEN skb leak 2010-02-19 15:28:38 +01:00
nf_sockopt.c net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
nf_tproxy_core.c net: Partially allow skb destructors to be used on receive path 2009-02-04 16:55:27 -08:00
nfnetlink_log.c netfilter: nfnetlink_log: fix silly refcount leak 2010-02-26 17:48:40 +01:00
nfnetlink_queue.c netfilter: don't use INIT_RCU_HEAD() 2010-02-12 06:25:36 +01:00
nfnetlink.c netfilter: remove unused headers in net/netfilter/nfnetlink.c 2010-03-17 16:28:25 +01:00
x_tables.c netfilter: xtables: change targets to return error code 2010-03-25 16:55:49 +01:00
xt_CLASSIFY.c netfilter: xtables: move extension arguments into compound structure (4/6) 2008-10-08 11:35:19 +02:00
xt_cluster.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_comment.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_connbytes.c netfilter: xtables: shorten up return clause 2010-03-25 16:56:09 +01:00
xt_connlimit.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_connmark.c netfilter: xtables: shorten up return clause 2010-03-25 16:56:09 +01:00
xt_CONNSECMARK.c netfilter: xtables: shorten up return clause 2010-03-25 16:56:09 +01:00
xt_conntrack.c netfilter: xtables: shorten up return clause 2010-03-25 16:56:09 +01:00
xt_CT.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_dccp.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_dscp.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_DSCP.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_esp.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_hashlimit.c netfilter: xt_hashlimit: RCU conversion 2010-04-01 14:35:56 +02:00
xt_helper.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_hl.c netfilter: xt extensions: use pr_<level> 2010-03-18 14:20:07 +01:00
xt_HL.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_iprange.c netfilter: xt extensions: use pr_<level> (2) 2010-03-25 15:00:04 +01:00
xt_LED.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_length.c netfilter: xtables: move extension arguments into compound structure (1/6) 2008-10-08 11:35:18 +02:00
xt_limit.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_mac.c netfilter: xtables: limit xt_mac to ethernet devices 2010-03-18 14:20:06 +01:00
xt_mark.c netfilter: xtables: merge xt_MARK into xt_mark 2010-03-17 15:48:36 +01:00
xt_multiport.c netfilter: xtables: remove xt_multiport revision 0 2010-03-25 17:04:57 +01:00
xt_NFLOG.c netfilter: xtables: change targets to return error code 2010-03-25 16:55:49 +01:00
xt_NFQUEUE.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_NOTRACK.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_osf.c netfilter: xt extensions: use pr_<level> 2010-03-18 14:20:07 +01:00
xt_owner.c netfilter: xtables: remove xt_owner v0 2009-08-10 13:32:30 +02:00
xt_physdev.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_pkttype.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_policy.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_quota.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_rateest.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_RATEEST.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_realm.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xt_recent.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_repldata.h netfilter: xtables: generate initial table on-demand 2010-02-10 17:50:47 +01:00
xt_sctp.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_SECMARK.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_socket.c netfilter: xt extensions: use pr_<level> (2) 2010-03-25 15:00:04 +01:00
xt_state.c netfilter: xtables: merge registration structure to NFPROTO_UNSPEC 2010-03-25 17:05:10 +01:00
xt_statistic.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_string.c netfilter: xtables: remove xt_string revision 0 2010-03-25 17:04:57 +01:00
xt_tcpmss.c netfilter: xtables: move extension arguments into compound structure (1/6) 2008-10-08 11:35:18 +02:00
xt_TCPMSS.c netfilter: xtables: change targets to return error code 2010-03-25 16:55:49 +01:00
xt_TCPOPTSTRIP.c netfilter: update my email address 2010-03-17 15:53:10 +01:00
xt_tcpudp.c netfilter: xtables: change matches to return error code 2010-03-25 16:55:24 +01:00
xt_time.c netfilter: xtables: slightly better error reporting 2010-03-25 16:56:09 +01:00
xt_TPROXY.c netfilter: xtables: change targets to return error code 2010-03-25 16:55:49 +01:00
xt_TRACE.c netfilter: xtables: move extension arguments into compound structure (4/6) 2008-10-08 11:35:19 +02:00
xt_u32.c netfilter: update my email address 2010-03-17 15:53:10 +01:00