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2008-10-08netfilter: netns nf_conntrack: pass conntrack to nf_conntrack_event_cache() ↵Alexey Dobriyan
not skb This is cleaner, we already know conntrack to which event is relevant. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: cleanup after L3 and L4 proto unregister in ↵Alexey Dobriyan
every netns Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: unregister helper in every netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netns: export netns listAlexey Dobriyan
Conntrack code will use it for a) removing expectations and helpers when corresponding module is removed, and b) removing conntracks when L3 protocol conntrack module is removed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns /proc/net/ip_conntrack, ↵Alexey Dobriyan
/proc/net/stat/ip_conntrack, /proc/net/ip_conntrack_expect Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: per-netns /proc/net/nf_conntrack_expectAlexey 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 /proc/net/nf_conntrack, ↵Alexey Dobriyan
/proc/net/stat/nf_conntrack Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: pass netns pointer to L4 protocol's ->error hookAlexey Dobriyan
Again, it's deducible from skb, but we're going to use it for nf_conntrack_checksum and statistics, so just pass it from upper layer. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns nf_conntrack: pass netns pointer to nf_conntrack_in()Alexey Dobriyan
It's deducible from skb->dev or skb->dst->dev, but we know netns at the moment of call, so pass it down and use for finding and creating conntracks. 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: fix {ip,6}_route_me_harder() in netnsAlexey Dobriyan
Take netns from skb->dst->dev. It should be safe because, they are called from LOCAL_OUT hook where dst is valid (though, I'm not exactly sure about IPVS and queueing packets to userspace). [Patrick: its safe everywhere since they already expect skb->dst to be set] 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 ->ct_net -- pointer from conntrack to netnsAlexey Dobriyan
Conntrack (struct nf_conn) gets pointer to netns: ->ct_net -- netns in which it was created. It comes from netdevice. ->ct_net is write-once field. Every conntrack in system has ->ct_net initialized, no exceptions. ->ct_net doesn't pin netns: conntracks are recycled after timeouts and pinning background traffic will prevent netns from even starting shutdown sequence. Right now every conntrack is created in init_net. 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>
2008-10-08netfilter: netns: ip6t_REJECT in netns for realAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns: ip6table_mangle in netns for realAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns: ip6table_raw in netns for realAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: netns: remove nf_*_net() wrappersAlexey Dobriyan
Now that dev_net() exists, the usefullness of them is even less. Also they're a big problem in resolving circular header dependencies necessary for NOTRACK-in-netns patch. See below. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: implement NFPROTO_UNSPEC as a wildcard for extensionsJan Engelhardt
When a match or target is looked up using xt_find_{match,target}, Xtables will also search the NFPROTO_UNSPEC module list. This allows for protocol-independent extensions (like xt_time) to be reused from other components (e.g. arptables, ebtables). Extensions that take different codepaths depending on match->family or target->family of course cannot use NFPROTO_UNSPEC within the registration structure (e.g. xt_pkttype). Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: x_tables: use NFPROTO_* in extensionsJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: Introduce NFPROTO_* constantsJan Engelhardt
The netfilter subsystem only supports a handful of protocols (much less than PF_*) and even non-PF protocols like ARP and pseudo-protocols like PF_BRIDGE. By creating NFPROTO_*, we can earn a few memory savings on arrays that previously were always PF_MAX-sized and keep the pseudo-protocols to ourselves. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xt_recent: IPv6 supportJan Engelhardt
This updates xt_recent to support the IPv6 address family. The new /proc/net/xt_recent directory must be used for this. The old proc interface can also be configured out. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: rename ipt_recent to xt_recentJan Engelhardt
Like with other modules (such as ipt_state), ipt_recent.h is changed to forward definitions to (IOW include) xt_recent.h, and xt_recent.c is changed to use the new constant names. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: Use unsigned types for hooknum and pf varsJan Engelhardt
and (try to) consistently use u_int8_t for the L3 family. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> 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: add stub functions for per/namespace mibs allocationDenis V. Lunev
The content of init_ipv6_mibs/cleanup_ipv6_mibs will be moved to new calls one by one next. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07netns: allow per device ipv6 snmp statistics in non-initial namespaceDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07netns: register global ipv6 mibs statistics in each namespaceDenis V. Lunev
Unused net variable will become used very soon. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07ipv6: separate seq_ops for global & per/device ipv6 statisticsDenis V. Lunev
idev has been stored on seq->private. NULL has been stored for global statistics. The situation is changed with net namespace. We need to store pointer to struct net and the only place is seq->private. So, we'll have for /proc/net/dev_snmp6/* and for /proc/net/snmp6 pointers of two different types stored in the same field. This effectively requires to separate seq_ops of these files. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07ipv6: consolidate ipv6 sock_stat code at the beginning of net/ipv6/proc.cDenis V. Lunev
Simple, comsolidate sockstat6 staff in one place, at the beginning of the file. Right now sockstat6_seq_open/sockstat6_seq_fops looks like an intrusion in the middle of snmp6 code. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07netns: register /proc/net/dev_snmp6/* in each nsDenis V. Lunev
Do the same for /proc/net/snmp6. 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>
2008-10-07tcp: cleanup messy initializerIlpo Järvinen
I'm quite sure that if I give this function in its old format for you to inspect, you start to wonder what is the type of demanded or if it's a global variable. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07tcp: kill pointless urg_modeIlpo Järvinen
It all started from me noticing that this urgent check in tcp_clean_rtx_queue is unnecessarily inside the loop. Then I took a longer look to it and found out that the users of urg_mode can trivially do without, well almost, there was one gotcha. Bonus: those funny people who use urg with >= 2^31 write_seq - snd_una could now rejoice too (that's the only purpose for the between being there, otherwise a simple compare would have done the thing). Not that I assume that the rest of the tcp code happily lives with such mind-boggling numbers :-). Alas, it turned out to be impossible to set wmem to such numbers anyway, yes I really tried a big sendfile after setting some wmem but nothing happened :-). ...Tcp_wmem is int and so is sk_sndbuf... So I hacked a bit variable to long and found out that it seems to work... :-) Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07net: packet split receive apiPeter Zijlstra
Add some packet-split receive hooks. For one this allows to do NUMA node affine page allocs. Later on these hooks will be extended to do emergency reserve allocations for fragments. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07net: wrap sk->sk_backlog_rcv()Peter Zijlstra
Wrap calling sk->sk_backlog_rcv() in a function. This will allow extending the generic sk_backlog_rcv behaviour. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07ipv6: initialize ip6_route sysctl vars in ip6_route_net_init()Peter Zijlstra
This makes that ip6_route_net_init() does all of the route init code. There used to be a race between ip6_route_net_init() and ip6_net_init() and someone relying on the combined result was left out cold. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07ipv6: clean up ip6_route_net_init() error handlingPeter Zijlstra
ip6_route_net_init() error handling looked less than solid, fix 'er up. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07inet: Don't lookup the socket if there's a socket attached to the skbKOVACS Krisztian
Use the socket cached in the skb if it's present. Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07inet: Add udplib_lookup_skb() helpersKOVACS Krisztian
To be able to use the cached socket reference in the skb during input processing we add a new set of lookup functions that receive the skb on their argument list. Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-07inet_hashtables: Add inet_lookup_skb helpersArnaldo Carvalho de Melo
To be able to use the cached socket reference in the skb during input processing we add a new set of lookup functions that receive the skb on their argument list. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-06tcp: Respect SO_RCVLOWAT in tcp_poll().David S. Miller
Based upon a report by Vito Caputo. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-06pkt_sched: Simplify dev_requeue_skb and dequeue_skbJarek Poplawski
qdisc->requeue was planned to universally replace all requeuing code, but at the top level we never requeue more than one skb, so qdisc-> gso_skb is enough for this. qdisc->requeue would be used on the lower levels only for one level deep requeuing (like in sch_hfsc) after finishing all the changes. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-06pkt_sched: Fix handling of gso skbs on requeuingJarek Poplawski
Jay Cliburn noticed and diagnosed a bug triggered in dev_gso_skb_destructor() after last change from qdisc->gso_skb to qdisc->requeue list. Since gso_segmented skbs can't be queued to another list this patch brings back qdisc->gso_skb for them. Reported-by: Jay Cliburn <jcliburn@gmail.com> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-05xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)Arnaud Ebalard
Provides implementation of the enhancements of XFRM/PF_KEY MIGRATE mechanism specified in draft-ebalard-mext-pfkey-enhanced-migrate-00. Defines associated PF_KEY SADB_X_EXT_KMADDRESS extension and XFRM/netlink XFRMA_KMADDRESS attribute. Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-05Phonet: pipe end-point protocol documentationRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-05Phonet: implement GPRS virtual interface over PEP socketRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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