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2008-10-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2008-10-08netfilter: xtables: provide invoked family value to extensionsJan Engelhardt
By passing in the family through which extensions were invoked, a bit of data space can be reclaimed. The "family" member will be added to the parameter structures and the check functions be adjusted. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (6/6)Jan Engelhardt
This patch does this for target extensions' destroy functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (5/6)Jan Engelhardt
This patch does this for target extensions' checkentry functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (4/6)Jan Engelhardt
This patch does this for target extensions' target functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (3/6)Jan Engelhardt
This patch does this for match extensions' destroy functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (2/6)Jan Engelhardt
This patch does this for match extensions' checkentry functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: move extension arguments into compound structure (1/6)Jan Engelhardt
The function signatures for Xtables extensions have grown over time. It involves a lot of typing/replication, and also a bit of stack space even if they are not used. Realize an NFWS2008 idea and pack them into structs. The skb remains outside of the struct so gcc can continue to apply its optimizations. This patch does this for match extensions' match functions. A few ambiguities have also been addressed. The "offset" parameter for example has been renamed to "fragoff" (there are so many different offsets already) and "protoff" to "thoff" (there is more than just one protocol here, so clarify). Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: xtables: do centralized checkentry call (1/2)Jan Engelhardt
It used to be that {ip,ip6,etc}_tables called extension->checkentry themselves, but this can be moved into the xtables core. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: remove unused Ebtables functionsJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: move Ebtables to use XtablesJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: change Ebtables function signatures to match Xtables'sJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: add dummy members to Ebtables code to ease transition to XtablesJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: Change return types of targets/watchers for Ebtables extensionsJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: change return types of match functions for ebtables extensionsJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: change return types of check functions for Ebtables extensionsJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: ebtables: do centralized size checkingJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: iptables TPROXY targetKOVACS Krisztian
The TPROXY target implements redirection of non-local TCP/UDP traffic to local sockets. Additionally, it's possible to manipulate the packet mark if and only if a socket has been found. (We need this because we cannot use multiple targets in the same iptables rule.) Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: iptables tproxy coreKOVACS Krisztian
The iptables tproxy core is a module that contains the common routines used by various tproxy related modules (TPROXY target and socket match) Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-10-08netfilter: split netfilter IPv4 defragmentation into a separate moduleKOVACS Krisztian
Netfilter connection tracking requires all IPv4 packets to be defragmented. Both the socket match and the TPROXY target depend on this functionality, so this patch separates the Netfilter IPv4 defrag hooks into a separate module. Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu> Signed-off-by: Patrick McHardy <kaber@trash.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: GRE conntracking in netnsAlexey Dobriyan
* make keymap list per-netns * per-netns keymal lock (not strictly necessary) * flush keymap at netns stop and module unload. 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: 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: 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 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: 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: 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: 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>
2008-10-07Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2008-10-07ipv4: add mc_count to in_device.Rami Rosen
This patch add mc_count to struct in_device and updates increment/decrement/initilaize of this field in IPv4 and in IPv6. - Also printing the vfs /proc entry (/proc/net/igmp) is adjusted to use the new mc_count. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.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>
2008-10-07tcp: 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>
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