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2008-10-20netfilter: netns: use NFPROTO_NUMPROTO instead of NUMPROTO for tables arrayPatrick McHardy
The netfilter families have been decoupled from regular protocol families. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-08ipv6: making ip and icmp statistics per/namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-08netfilter: netns nat: per-netns bysource hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nat: per-netns NAT tableAlexey Dobriyan
Same story as with iptable_filter, iptables_raw tables. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns conntrack accountingAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns ↵Alexey Dobriyan
net.netfilter.nf_conntrack_log_invalid sysctl Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns net.netfilter.nf_conntrack_checksum ↵Alexey Dobriyan
sysctl Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns net.netfilter.nf_conntrack_count sysctlAlexey Dobriyan
Note, sysctl table is always duplicated, this is simpler and less special-cased. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns statisticsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns event cacheAlexey Dobriyan
Heh, last minute proof-reading of this patch made me think, that this is actually unneeded, simply because "ct" pointers will be different for different conntracks in different netns, just like they are different in one netns. Not so sure anymore. [Patrick: pointers will be different, flushing can only be done while inactive though and thus it needs to be per netns] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns unconfirmed listAlexey Dobriyan
What is confirmed connection in one netns can very well be unconfirmed in another one. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns expectationsAlexey Dobriyan
Make per-netns a) expectation hash and b) expectations count. Expectations always belongs to netns to which it's master conntrack belong. This is natural and doesn't bloat expectation. Proc files and leaf users are stubbed to init_net, this is temporary. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns conntrack hashAlexey Dobriyan
* make per-netns conntrack hash Other solution is to add ->ct_net pointer to tuplehashes and still has one hash, I tried that it's ugly and requires more code deep down in protocol modules et al. * propagate netns pointer to where needed, e. g. to conntrack iterators. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns conntrack countAlexey Dobriyan
Sysctls and proc files are stubbed to init_net's one. This is temporary. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: add netns boilerplateAlexey Dobriyan
One comment: #ifdefs around #include is necessary to overcome amazing compile breakages in NOTRACK-in-netns patch (see below). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-07netns: make uplitev6 mib per/namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07netns: make udpv6 mib per/namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07netns: move /proc/net/dev_snmp6 to struct netDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22netns: dont alloc ipv6 fib timer listStephen Hemminger
FIB timer list is a trivial size structure, avoid indirection and just put it in existing ns. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put icmpmsg statistics on struct netPavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put icmp statistics on struct netPavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put udplite statistics on struct netPavel Emelyanov
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put udp statistics on struct netPavel Emelyanov
Similar to... ouch, I repeat myself. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put net statistics on struct netPavel Emelyanov
Similar to ip and tcp ones :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put ip statistics on struct netPavel Emelyanov
Similar to tcp one. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: put tcp statistics on struct netPavel Emelyanov
Proc temporary uses stats from init_net. BTW, TCP_XXX_STATS are beautiful (w/o do { } while (0) facing) again :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18mib: add netns/mib.h filePavel Emelyanov
The only structure declared within is the netns_mib, which will carry all our mibs within. I didn't put the mibs in the existing netns_xxx structures to make it possible to mark this one as properly aligned and get in a separate "read-mostly" cache-line. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-05netns: place rt_genid into struct netDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-05netns: make rt_secret_rebuild timer per namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-05netns: register net.ipv4.route.flush in each namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16netns: introduce the net_hash_mix "salt" for hashesPavel Emelyanov
There are many possible ways to add this "salt", thus I made this patch to be the last in the series to change it if required. Currently I propose to use the struct net pointer itself as this salt, but since this pointer is most often cache-line aligned, shift this right to eliminate the bits, that are most often zeroed. After this, simply add this mix to prepared hashfn-s. For CONFIG_NET_NS=n case this salt is 0 and no changes in hashfn appear. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09netfilter: ip6_tables: add ip6tables security tableJames Morris
This is a port of the IPv4 security table for IPv6. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-09netfilter: ip_tables: add iptables security table for mandatory access ↵James Morris
control rules The following patch implements a new "security" table for iptables, so that MAC (SELinux etc.) networking rules can be managed separately to standard DAC rules. This is to help with distro integration of the new secmark-based network controls, per various previous discussions. The need for a separate table arises from the fact that existing tools and usage of iptables will likely clash with centralized MAC policy management. The SECMARK and CONNSECMARK targets will still be valid in the mangle table to prevent breakage of existing users. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-15[NETNS]: The generic per-net pointers.Pavel Emelyanov
Add the elastic array of void * pointer to the struct net. The access rules are simple: 1. register the ops with register_pernet_gen_device to get the id of your private pointer 2. call net_assign_generic() to put the private data on the struct net (most preferably this should be done in the ->init callback of the ops registered) 3. do not store any private reference on the net_generic array; 4. do not change this pointer while the net is alive; 5. use the net_generic() to get the pointer. When adding a new pointer, I copy the old array, replace it with a new one and schedule the old for kfree after an RCU grace period. Since the net_generic explores the net->gen array inside rcu read section and once set the net->gen->ptr[x] pointer never changes, this grants us a safe access to generic pointers. Quoting Paul: "... RCU is protecting -only- the net_generic structure that net_generic() is traversing, and the [pointer] returned by net_generic() is protected by a reference counter in the upper-level struct net." Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-13[NETNS][DCCPV6]: Move the dccp_v6_ctl_sk on the struct net.Pavel Emelyanov
And replace all its usage with init_net's socket. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-13[NETNS][DCCPV4]: Move the dccp_v4_ctl_sk on the struct net.Pavel Emelyanov
And replace all its usage with init_net's socket. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-13[NETNS]: Add an empty netns_dccp structure on struct net.Pavel Emelyanov
According to the overall struct net design, it will be filled with DCCP-related members. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-03[NETNS]: Create tcp control socket in the each namespace.Denis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-31[SOCK][NETNS]: Add the percpu prot_inuse counter in the struct net.Pavel Emelyanov
Such an accounting would cost us two more dereferences to get the percpu variable from the struct net, so I make sock_prot_inuse_get and _add calls work differently depending on CONFIG_NET_NS - without it old optimized routines are used. The per-cpu counter for init_net is prepared in core_initcall, so that even af_inet, that starts as fs_initcall, will already have the init_net prepared. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-31[NETNS]: Introduce a netns_core structure.Pavel Emelyanov
There's already some stuff on the struct net, that should better be folded into netns_core structure. I'm making the per-proto inuse counter be per-net also, which is also a candidate for this, so introduce this structure and populate it a bit. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-26[NETNS][ICMP]: Make ctl tables for ICMP sysctls per-net.Pavel Emelyanov
Add some flesh to ipv4_sysctl_init_net and ipv4_sysctl_exit_net, i.e. copy the table, alter .data pointers and register it per-net. Other ipv4_table's sysctls are now global, but this is going to change once sysctl permissions patches migrate from -mm tree to mainline in 2.6.26 merge window :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-26[NETNS][ICMP]: Move ICMP sysctls on struct net.Pavel Emelyanov
Initialization is moved to icmp_sk_init, all the places, that refer to them use init_net for now. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-07[NETNS][IPV6] mcast - handle several network namespaceDaniel Lezcano
This patch make use of the network namespace information at the right places to handle the multicast for several network namespaces. It makes the socket control to be per namespace too. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-07[NETNS][IPV6] tcp6 - make socket control per namespaceDaniel Lezcano
Instead of having a tcp6_socket global to all the namespace, there is tcp6 socket control per namespace. That is consistent with which namespace sent a RST and allows to pass the socket to the underlying function to retrieve the network namespace. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-07[NETNS][IPV6] ndisc - make socket control per namespaceDaniel Lezcano
Make ndisc socket control per namespace. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-04[NETNS][IPV6] route6 - make garbage collection work with multiple network ↵Benjamin Thery
namespaces This patch makes the necessary changes to make IPv6 dst_entry garbage collection work with multiple network namespaces. In ip6_dst_gc(), static local variables are now declared per-namespace. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-04[NETNS][IPV6] route6 - move ip6_dst_ops inside the network namespaceBenjamin Thery
The ip6_dst_ops is moved inside the network namespace structure. All references to this structure are now relative to the initial network namespace. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-04[NETNS][IPV6] rt6_info - move rt6_info structure inside the namespaceDaniel Lezcano
The rt6_info structures are moved inside the network namespace structure. All references to these structures are now relative to the initial network namespace. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-03[NETNS][IPV6] rt6_stats - make the stats per network namespaceBenjamin Thery
The rt6_stats is now per namespace with this patch. It is allocated when a network namespace is created and freed when the network namespace exits and references are relative to the network namespace. Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-03[NETNS][IPV6] fib6_rules - handle several network namespacesDaniel Lezcano
The fib6_rules_ops is moved to the network namespace structure. All references are changed to have it relatively to it. Each time a network namespace is created a new fib6_rules_ops is allocated, initialized and stored into the network namespace structure. The common part of the fib rules is namespace aware, so it is quite easy to retrieve the network namespace from the rules and use it in the different callbacks. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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