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Simon Horman be8be9eccb ipvs: Fix IPv4 FWMARK virtual services 
This fixes the use of fwmarks to denote IPv4 virtual services
which was unfortunately broken as a result of the integration
of IPv6 support into IPVS, which was included in 2.6.28.

The problem arises because fwmarks are stored in the 4th octet
of a union nf_inet_addr .all, however in the case of IPv4 only
the first octet, corresponding to .ip, is assigned and compared.

In other words, using .all = { 0, 0, 0, htonl(svc->fwmark) always
results in a value of 0 (32bits) being stored for IPv4. This means
that one fwmark can be used, as it ends up being mapped to 0, but things
break down when multiple fwmarks are used, as they all end up being mapped
to 0.

As fwmarks are 32bits a reasonable fix seems to be to just store the fwmark
in .ip, and comparing and storing .ip when fwmarks are used.

This patch makes the assumption that in calls to ip_vs_ct_in_get()
and ip_vs_sched_persist() if the proto parameter is IPPROTO_IP then
we are dealing with an fwmark. I believe this is valid as ip_vs_in()
does fairly strict filtering on the protocol and IPPROTO_IP should
not be used in these calls unless explicitly passed when making
these calls for fwmarks in ip_vs_sched_persist().

Tested-by: Fabien Duchêne <fabien.duchene@student.uclouvain.be>
Cc: Joseph Mack NA3T <jmack@wm7d.net>
Cc: Julius Volz <julius.volz@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2009-05-08 14:54:47 -07:00
..
ipvs ipvs: Fix IPv4 FWMARK virtual services 2009-05-08 14:54:47 -07:00
Kconfig xt_socket: checks for the state of nf_conntrack 2009-05-01 15:23:10 -07:00
Makefile netfilter: xtables: add cluster match 2009-03-16 17:10:36 +01:00
core.c netfilter: remove unneeded goto 2009-02-18 16:29:08 +01:00
nf_conntrack_acct.c net: '&' redux 2008-11-03 18:21:05 -08:00
nf_conntrack_amanda.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_conntrack_core.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-03-26 22:45:23 -07:00
nf_conntrack_ecache.c netfilter: ctnetlink: deliver events for conntracks changed from userspace 2008-11-18 11:56:20 +01:00
nf_conntrack_expect.c netfilter: ctnetlink: fix regression in expectation handling 2009-04-06 17:47:20 +02:00
nf_conntrack_extend.c netfilter: nf_conntrack_extend: avoid unnecessary "ct->ext" dereferences 2008-07-26 17:50:05 -07:00
nf_conntrack_ftp.c netfilter: fix warning in net/netfilter/nf_conntrack_ftp.c 2008-11-25 18:23:03 +01:00
nf_conntrack_h323_asn1.c [NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper 2008-01-31 19:28:07 -08:00
nf_conntrack_h323_main.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_conntrack_h323_types.c [NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper 2008-01-31 19:28:07 -08:00
nf_conntrack_helper.c netfilter: nf_conntrack: fix crash when unloading helpers 2009-04-15 12:45:08 +02:00
nf_conntrack_irc.c netfilter: fix endian bug in conntrack printks 2009-03-28 23:55:57 -07:00
nf_conntrack_l3proto_generic.c [NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l3proto 2008-04-14 11:15:52 +02:00
nf_conntrack_netbios_ns.c net: replace uses of __constant_{endian} 2009-02-01 00:45:17 -08:00
nf_conntrack_netlink.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6 2009-05-05 12:00:53 -07:00
nf_conntrack_pptp.c Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
nf_conntrack_proto.c netfilter: ctnetlink: add callbacks to the per-proto nlattrs 2009-03-25 18:24:48 +01:00
nf_conntrack_proto_dccp.c netfilter: nf_ct_dccp: add missing role attributes for DCCP 2009-04-24 16:58:41 +02:00
nf_conntrack_proto_generic.c netfilter: change generic l4 protocol number 2009-02-18 16:28:35 +01:00
nf_conntrack_proto_gre.c netfilter: nf_conntrack: calculate per-protocol nlattr size 2009-03-25 21:53:39 +01:00
nf_conntrack_proto_sctp.c netfilter: nf_conntrack: calculate per-protocol nlattr size 2009-03-25 21:53:39 +01:00
nf_conntrack_proto_tcp.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-03-26 22:45:23 -07:00
nf_conntrack_proto_udp.c netfilter: nf_conntrack: calculate per-protocol nlattr size 2009-03-25 21:53:39 +01:00
nf_conntrack_proto_udplite.c netfilter: nf_ct_dccp/udplite: fix protocol registration error 2009-04-24 15:37:44 +02:00
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 netfilter: nf_conntrack: connection tracking helper name persistent aliases 2008-11-17 16:01:42 +01:00
nf_conntrack_standalone.c netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu() 2009-03-25 21:05:46 +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 netfilter: nf_log regression fix 2009-04-15 12:16:19 +02:00
nf_queue.c netfilter: Introduce NFPROTO_* constants 2008-10-08 11:35:00 +02:00
nf_sockopt.c netfilter: enable netfilter in netns 2008-10-08 11:35:11 +02:00
nf_tproxy_core.c net: Partially allow skb destructors to be used on receive path 2009-02-04 16:55:27 -08:00
nfnetlink.c netfilter: nfnetlink: return ENOMEM if we fail to create netlink socket 2009-04-17 17:48:44 +02:00
nfnetlink_log.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-03-24 13:24:36 -07:00
nfnetlink_queue.c netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
x_tables.c netfilter: revised locking for x_tables 2009-04-28 22:36:33 -07:00
xt_CLASSIFY.c netfilter: xtables: move extension arguments into compound structure (4/6) 2008-10-08 11:35:19 +02:00
xt_CONNMARK.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_CONNSECMARK.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_DSCP.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
xt_HL.c netfilter: Combine ipt_TTL and ip6t_HL source 2009-02-18 18:38:40 +01:00
xt_LED.c netfilter: x_tables: add LED trigger target 2009-02-20 10:55:14 +01:00
xt_MARK.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_NFLOG.c netfilter: xt_NFLOG: don't call nf_log_packet in NFLOG module. 2008-11-04 14:21:08 +01:00
xt_NFQUEUE.c netfilter: replace old NF_ARP calls with NFPROTO_ARP 2008-10-20 03:34:51 -07:00
xt_NOTRACK.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_RATEEST.c netfilter: xtables: move extension arguments into compound structure (6/6) 2008-10-08 11:35:19 +02:00
xt_SECMARK.c netfilter: xtables: move extension arguments into compound structure (6/6) 2008-10-08 11:35:19 +02:00
xt_TCPMSS.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
xt_TCPOPTSTRIP.c netfilter: xtables: move extension arguments into compound structure (4/6) 2008-10-08 11:35:19 +02:00
xt_TPROXY.c netfilter: xtables: move extension arguments into compound structure (5/6) 2008-10-08 11:35:19 +02:00
xt_TRACE.c netfilter: xtables: move extension arguments into compound structure (4/6) 2008-10-08 11:35:19 +02:00
xt_cluster.c netfilter: xt_cluster: fix use of cluster match with 32 nodes 2009-05-05 17:46:07 +02:00
xt_comment.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_connbytes.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_connlimit.c netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu() 2009-03-25 21:05:46 +01:00
xt_connmark.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_conntrack.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_dccp.c nf/dccp: merge errorpaths 2008-12-14 23:19:02 -08:00
xt_dscp.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_esp.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_hashlimit.c netfilter: xt_hashlimit fix 2009-02-24 15:30:29 +01:00
xt_helper.c netfilter: xtables: cut down on static data for family-independent extensions 2008-10-08 11:35:20 +02:00
xt_hl.c netfilter: Combine ipt_ttl and ip6t_hl source 2009-02-18 18:39:31 +01:00
xt_iprange.c net: replace NIPQUAD() in net/netfilter/ 2008-10-31 00:54:29 -07:00
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: avoid pointer to self 2009-03-16 15:35:29 +01:00
xt_mac.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_mark.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_multiport.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_owner.c CRED: Use creds in file structs 2008-11-14 10:39:25 +11:00
xt_physdev.c netfilter: factorize ifname_compare() 2009-03-25 17:31:52 +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: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_quota.c netfilter: xtables: avoid pointer to self 2009-03-16 15:35:29 +01:00
xt_rateest.c netfilter: xtables: move extension arguments into compound structure (3/6) 2008-10-08 11:35:19 +02:00
xt_realm.c netfilter: xtables: use NFPROTO_UNSPEC in more extensions 2008-10-08 11:35:20 +02:00
xt_recent.c netfilter: xt_recent: fix stack overread in compat code 2009-04-24 17:05:21 +02:00
xt_sctp.c netfilter: xt_sctp: sctp chunk mapping doesn't work 2009-02-09 14:34:56 -08:00
xt_socket.c tproxy: fixe a possible read from an invalid location in the socket match 2008-12-07 23:53:46 -08:00
xt_state.c netfilter: xtables: move extension arguments into compound structure (3/6) 2008-10-08 11:35:19 +02:00
xt_statistic.c netfilter: xtables: avoid pointer to self 2009-03-16 15:35:29 +01:00
xt_string.c netfilter: xtables: move extension arguments into compound structure (3/6) 2008-10-08 11:35:19 +02:00
xt_tcpmss.c netfilter: xtables: move extension arguments into compound structure (1/6) 2008-10-08 11:35:18 +02:00
xt_tcpudp.c netfilter: xtables: move extension arguments into compound structure (2/6) 2008-10-08 11:35:18 +02:00
xt_time.c netfilter 08/09: xt_time: print timezone for user information 2009-01-12 21:18:36 -08:00
xt_u32.c netfilter: xtables: move extension arguments into compound structure (1/6) 2008-10-08 11:35:18 +02:00