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* sctp: Rework the tsn map to use generic bitmap.Vlad Yasevich2008-10-08
| | | | | | | | | | | | | | | | | | | The tsn map currently use is 4K large and is stuck inside the sctp_association structure making memory references REALLY expensive. What we really need is at most 4K worth of bits so the biggest map we would have is 512 bytes. Also, the map is only really usefull when we have gaps to store and report. As such, starting with minimal map of say 32 TSNs (bits) should be enough for normal low-loss operations. We can grow the map by some multiple of 32 along with some extra room any time we receive the TSN which would put us outside of the map boundry. As we close gaps, we can shift the map to rebase it on the latest TSN we've seen. This saves 4088 bytes per association just in the map alone along savings from the now unnecessary structure members. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* inet: cleanup of local_port_rangeEric Dumazet2008-10-08
| | | | | | | | | | | | | | | | | | I noticed sysctl_local_port_range[] and its associated seqlock sysctl_local_port_range_lock were on separate cache lines. Moreover, sysctl_local_port_range[] was close to unrelated variables, highly modified, leading to cache misses. Moving these two variables in a structure can help data locality and moving this structure to read_mostly section helps sharing of this data among cpus. Cleanup of extern declarations (moved in include file where they belong), and use of inet_get_local_port_range() accessor instead of direct access to ports values. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: making ip and icmp statistics per/namespaceDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to _DEVINC/_DEVADDDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to ICMP6MSGIN_INC_STATS_BHDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: ICMP6MSGIN_INC_STATS is not usedDenis V. Lunev2008-10-08
| | | | | | | Removed. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to ICMP6MSGOUT_INC_STATS_BHDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to ICMP6MSGOUT_INC_STATSDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to ICMP6_INC_STATS_BHDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to ICMP6_INC_STATSDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to IP6_ADD_STATS_BHDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* ipv6: added net argument to IP6_INC_STATS_BHDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns: add net parameter to IP6_INC_STATSDenis V. Lunev2008-10-08
| | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-10-08
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
| * netfilter: iptables tproxy coreKOVACS Krisztian2008-10-08
| | | | | | | | | | | | | | | | 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>
| * netfilter: split netfilter IPv4 defragmentation into a separate moduleKOVACS Krisztian2008-10-08
| | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nat: per-netns bysource hashAlexey Dobriyan2008-10-08
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: netns nat: per-netns NAT tableAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: per-netns conntrack accountingAlexey Dobriyan2008-10-08
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: netns nf_conntrack: per-netns ↵Alexey Dobriyan2008-10-08
| | | | | | | | | | | | | | net.netfilter.nf_conntrack_log_invalid sysctl Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: netns nf_conntrack: per-netns net.netfilter.nf_conntrack_checksum ↵Alexey Dobriyan2008-10-08
| | | | | | | | | | | | | | sysctl Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: netns nf_conntrack: per-netns net.netfilter.nf_conntrack_count sysctlAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: per-netns statisticsAlexey Dobriyan2008-10-08
| | | | | | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: netns nf_conntrack: per-netns event cacheAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: pass conntrack to nf_conntrack_event_cache() ↵Alexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: pass netns pointer to L4 protocol's ->error hookAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: pass netns pointer to nf_conntrack_in()Alexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: per-netns unconfirmed listAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: per-netns expectationsAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: per-netns conntrack hashAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | | | | | | | | | * 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>
| * netfilter: netns nf_conntrack: per-netns conntrack countAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: add ->ct_net -- pointer from conntrack to netnsAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * netfilter: netns nf_conntrack: add netns boilerplateAlexey Dobriyan2008-10-08
| | | | | | | | | | | | | | | | 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>
| * netfilter: Use unsigned types for hooknum and pf varsJan Engelhardt2008-10-08
| | | | | | | | | | | | | | 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>
* | Merge branch 'master' of ↵David S. Miller2008-10-07
|\ \ | |/ |/| | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * mac80211: add multi-rate retry supportFelix Fietkau2008-10-06
| | | | | | | | | | | | | | | | | | This patch adjusts the rate control API to allow multi-rate retry if supported by the driver. The ieee80211_hw struct specifies how many alternate rate selections the driver supports. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * mac80211: free up 2 bytes in skb->cbFelix Fietkau2008-10-06
| | | | | | | | | | | | | | | | Free up 2 bytes in skb->cb to be used for multi-rate retry later. Move iv_len and icv_len initialization into key alloc. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | netns: make uplitev6 mib per/namespaceDenis V. Lunev2008-10-07
| | | | | | | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | netns: make udpv6 mib per/namespaceDenis V. Lunev2008-10-07
| | | | | | | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | netns: move /proc/net/dev_snmp6 to struct netDenis V. Lunev2008-10-07
| | | | | | | | | | Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: wrap sk->sk_backlog_rcv()Peter Zijlstra2008-10-07
| | | | | | | | | | | | | | | | 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>
* | inet: Don't lookup the socket if there's a socket attached to the skbKOVACS Krisztian2008-10-07
| | | | | | | | | | | | | | | | 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>
* | inet_hashtables: Add inet_lookup_skb helpersArnaldo Carvalho de Melo2008-10-07
|/ | | | | | | | | | 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>
* pkt_sched: Fix handling of gso skbs on requeuingJarek Poplawski2008-10-06
| | | | | | | | | | | 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>
* xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)Arnaud Ebalard2008-10-05
| | | | | | | | | | 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>
* Phonet: implement GPRS virtual interface over PEP socketRémi Denis-Courmont2008-10-05
| | | | | Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Phonet: receive pipe control requests as out-of-band dataRémi Denis-Courmont2008-10-05
| | | | | Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Phonet: Pipe End Point for Phonet Pipes protocolRémi Denis-Courmont2008-10-05
| | | | | | | | | | | This protocol provides some connection handling and negotiated congestion control. Nokia cellular modems use it for bulk transfers. It provides packet boundaries (hence SOCK_SEQPACKET). Congestion control is per packet rather per byte, so we do not re-use the generic socket memory accounting. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Phonet: connected sockets glueRémi Denis-Courmont2008-10-05
| | | | | | Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sctp: try harder to figure out address family when checking wildcardsVlad Yasevich2008-10-01
| | | | | | | | | | | sctp_is_any() function that is used to check for wildcard addresses only looks at the address itself to determine the address family. This function is used in the API to check the address passed in from the user. If the user simply zerroes out the sockaddr_storage and pass that in, we'll end up failing. So, let's try harder to determine the address family by also checking the socket if it's possible. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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