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* [NET_SCHED]: Add flow classifierPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new "flow" classifier, which is meant to extend the SFQ hashing capabilities without hard-coding new hash functions and also allows deterministic mappings of keys to classes, replacing some out of tree iptables patches like IPCLASSIFY (maps IPs to classes), IPMARK (maps IPs to marks, with fw filters to classes), ... Some examples: - Classic SFQ hash: tc filter add ... flow hash \ keys src,dst,proto,proto-src,proto-dst divisor 1024 - Classic SFQ hash, but using information from conntrack to work properly in combination with NAT: tc filter add ... flow hash \ keys nfct-src,nfct-dst,proto,nfct-proto-src,nfct-proto-dst divisor 1024 - Map destination IPs of 192.168.0.0/24 to classids 1-257: tc filter add ... flow map \ key dst addend -192.168.0.0 divisor 256 - alternatively: tc filter add ... flow map \ key dst and 0xff - similar, but reverse ordered: tc filter add ... flow map \ key dst and 0xff xor 0xff Perturbation is currently not supported because we can't reliable kill the timer on destruction. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_ingress: remove netfilter supportPatrick McHardy2008-01-31
| | | | | | | | | | | | | | Since the old policer code is gone, TC actions are needed for policing. The ingress qdisc can get packets directly from netif_receive_skb() in case TC actions are enabled or through netfilter otherwise, but since without TC actions there is no policer the only thing it actually does is count packets. Remove the netfilter support and always require TC actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill obsolete NET_CLS_POLICE optionPatrick McHardy2008-01-28
| | | | | | | | | | The code is already gone for about half a year, the config option has been kept around to select the replacement options for easier upgrades. This seems long enough, people upgrading from older kernels will have to reconfigure a lot anyway. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_ingress: move dependencies to KconfigPatrick McHardy2008-01-28
| | | | | | | | | Instead of complaining at scheduler initialization time, check the dependencies in Kconfig. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Convert old checksum helper namesPatrick McHardy2008-01-28
| | | | | | | | | Kill the defines again, convert to the new checksum helper names and remove the dependency of NET_ACT_NAT on NETFILTER. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: QoS/Sched as menuconfigRandy Dunlap2007-10-19
| | | | | | | | | Convert "QoS and/or fair queueing" to menuconfig. This makes it easy for someone to disable all sub-options with one config symbol. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Add stateless NATHerbert Xu2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stateless NAT is useful in controlled environments where restrictions are placed on through traffic such that we don't need connection tracking to correctly NAT protocol-specific data. In particular, this is of interest when the number of flows or the number of addresses being NATed is large, or if connection tracking information has to be replicated and where it is not practical to do so. Previously we had stateless NAT functionality which was integrated into the IPv4 routing subsystem. This was a great solution as long as the NAT worked on a subnet to subnet basis such that the number of NAT rules was relatively small. The reason is that for SNAT the routing based system had to perform a linear scan through the rules. If the number of rules is large then major renovations would have take place in the routing subsystem to make this practical. For the time being, the least intrusive way of achieving this is to use the u32 classifier written by Alexey Kuznetsov along with the actions infrastructure implemented by Jamal Hadi Salim. The following patch is an attempt at this problem by creating a new nat action that can be invoked from u32 hash tables which would allow large number of stateless NAT rules that can be used/updated in constant time. The actual NAT code is mostly based on the previous stateless NAT code written by Alexey. In future we might be able to utilise the protocol NAT code from netfilter to improve support for other protocols. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Some typo fixes in net/sched/KconfigGabriel Craciunescu2007-07-18
| | | | | Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Kill CONFIG_NET_CLS_POLICEPatrick McHardy2007-07-15
| | | | | | | | | | The NET_CLS_ACT option is now a full replacement for NET_CLS_POLICE, remove the old code. The config option will be kept around to select the equivalent NET_CLS_ACT options for a short time to allow easier upgrades. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Remove CONFIG_NET_ESTIMATOR optionPatrick McHardy2007-07-11
| | | | | | | | | The generic estimator is always built in anways and all the config options does is prevent including a minimal amount of code for setting it up. Additionally the option is already automatically selected for most cases. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCHED]: Qdisc changes and sch_rr added for multiqueuePeter P Waskiewicz Jr2007-07-11
| | | | | | | | | | | | | | Add the new sch_rr qdisc for multiqueue network device support. Allow sch_prio and sch_rr to be compiled with or without multiqueue hardware support. sch_rr is part of sch_prio, and is referenced from MODULE_ALIAS. This was done since sch_prio and sch_rr only differ in their dequeue routine. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use ktime as clocksourcePatrick McHardy2007-04-26
| | | | | | | | | | | | | Get rid of the manual clock source selection mess and use ktime. Also use a scalar representation, which allows to clean up pkt_sched.h a bit more and results in less ktime_to_ns() calls in most cases. The PSCHED_US2JIFFIE/PSCHED_JIFFIE2US macros are implemented quite inefficient by this patch, following patches will convert all qdiscs to hrtimers and get rid of them entirely. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Make sch_fifo.o available when CONFIG_NET_SCHED is not set.David Kimdon2006-12-03
| | | | | | | | | | | | | | | Based on patch by Patrick McHardy. Add a new option, NET_SCH_FIFO, which provides a simple fifo qdisc without requiring CONFIG_NET_SCHED. The d80211 stack needs a generic fifo qdisc for WME. At present it uses net/d80211/fifo_qdisc.c which is functionally equivalent to sch_fifo.c. This patch will allow the d80211 stack to remove net/d80211/fifo_qdisc.c and use sch_fifo.c instead. Signed-off-by: David Kimdon <david.kimdon@devicescape.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Turn nfmark into generic markThomas Graf2006-12-03
| | | | | | | | | | nfmark is being used in various subsystems and has become the defacto mark field for all kinds of packets. Therefore it makes sense to rename it to `mark' and remove the dependency on CONFIG_NETFILTER. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* Kconfig: Typos in net/sched/KconfigMatt LaPlante2006-06-30
| | | | Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [PKT_SCHED]: Let NET_CLS_ACT no longer depend on EXPERIMENTALAdrian Bunk2006-03-21
| | | | | | | | This option should IMHO no longer depend on EXPERIMENTAL. Signed-off-by: Adrian Bunk <bunk@stusta.de> ACKed-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Change default clock source to gettimeofdayPatrick McHardy2006-01-13
| | | | | | | | The default of using jiffies is very bad and results in underutilization except with very low bandwidth. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] net/sched/Kconfig: fix typo in NET_EMATCH_META descriptionAdrian Bunk2006-01-11
| | | | | | | Noted by Matt LaPlante <webmaster@cyberdogtech.com>. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Sanitize NET_SCHED protection in /net/sched/KconfigRoman Zippel2005-11-17
| | | | | | | | | | | | | | | | | | On Thu, 17 Nov 2005, David Gómez wrote: > I found out that if i select NET_CLS_ROUTE4, save my changes and exit > menuconfig, execute again make menuconfig and go to QoS options, then the new > available options are visible. So menuconfig has some problem refreshing > contents :? No, they were there before too, but you have to go up one level to see them. It's better in 2.6.15-rc1-git5, but the menu structure is still a little messed up, the patch below properly indents all menu entries. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Rework QoS and/or fair queueing configurationThomas Graf2005-11-02
| | | | | | | | | | | | | Make "QoS and/or fair queueing" have its own menu, it's too big to be inlined into "Network options". Remove the obsolete NET_QOS option. Automatically select NET_CLS if needed. Do the same for NET_ESTIMATOR but allow it to be selected manually for statistical purposes. Add comments to separate queueing from classification. Fix dependencies and ordering of classifiers. Improve descriptions/help texts and remove outdated pieces. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
* [NET]: Disable NET_SCH_CLK_CPU for SMP x86 hostsAndi Kleen2005-10-13
| | | | | | | | | | Opterons with frequency scaling have fully unsynchronized TSCs running at different frequencies, so using TSCs there is not a good idea. Also some other x86 boxes have this problem. gettimeofday should be good enough, so just disable it. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LIB]: Make TEXTSEARCH_BM plain tristate like the othersDavid S. Miller2005-08-29
| | | | | | And select it when the relevant modules are enabled. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: move config options out to individual protocolsSam Ravnborg2005-07-12
| | | | | | | | | | | | | | | | | Move the protocol specific config options out to the specific protocols. With this change net/Kconfig now starts to become readable and serve as a good basis for further re-structuring. The menu structure is left almost intact, except that indention is fixed in most cases. Most visible are the INET changes where several "depends on INET" are replaced with a single ifdef INET / endif pair. Several new files were created to accomplish this change - they are small but serve the purpose that config options are now distributed out where they belongs. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Make TEXTSEARCH* options only selected.David S. Miller2005-06-24
| | | | | | | | Do not present these confusing new options to the user unless he picked some facility that makes use of it, such as NET_EMATCH_TEXT. Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Make NET_EMATCH_TEXT select TEXTSEARChDavid S. Miller2005-06-24
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Packet classification based on textsearch (ematch)Thomas Graf2005-06-24
| | | | | Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Fix typo in NET_EMATCH_STACK help textThomas Graf2005-06-08
| | | | | | | Spotted by Geert Uytterhoeven <geert@linux-m68k.org>. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: fix typo on KconfigLucas Correia Villa Real2005-05-03
| | | | | | | | This is a trivial fix for a typo on Kconfig, where the Generic Random Early Detection algorithm is abbreviated as RED instead of GRED. Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED]: Introduce simple actions.Jamal Hadi Salim2005-04-24
| | | | | | | | And provide an example simply action in order to demonstrate usage. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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