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* [NET_SCHED]: Add flow classifierPatrick McHardy2008-01-313-0/+672
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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_sfq: make internal queues visible as classesPatrick McHardy2008-01-311-1/+40
| | | | | | | | Add support for dumping statistics and make internal queues visible as classes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_sfq: add support for external classifiersPatrick McHardy2008-01-311-4/+91
| | | | | | | | | Add support for external classifiers to allow using different flow hash functions similar to ESFQ. When no classifier is attached the built-in hash is used as before. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Constify struct tcf_ext_mapPatrick McHardy2008-01-316-8/+8
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd.Roel Kluin2008-01-311-1/+1
| | | | | Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_ingress: remove netfilter supportPatrick McHardy2008-01-312-80/+1
| | | | | | | | | | | | | | 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]: Use nla_policy for attribute validation in ematchesPatrick McHardy2008-01-282-8/+12
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in actionsPatrick McHardy2008-01-287-33/+51
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in classifiersPatrick McHardy2008-01-286-68/+59
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_policy for attribute validation in packet schedulersPatrick McHardy2008-01-289-93/+87
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_api: introduce constant for rate table sizePatrick McHardy2008-01-281-1/+2
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use typeful attribute parsing helpersPatrick McHardy2008-01-2811-29/+27
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use typeful attribute construction helpersPatrick McHardy2008-01-2811-31/+26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use NLA_PUT_STRING for string dumpingPatrick McHardy2008-01-286-8/+8
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use nla_nest_start/nla_nest_endPatrick McHardy2008-01-2816-133/+166
| | | | | | | Use nla_nest_start/nla_nest_end for dumping nested attributes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Propagate nla_parse return valuePatrick McHardy2008-01-2825-60/+171
| | | | | | | | nla_parse() returns more detailed errno codes, propagate them back on error. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_getPatrick McHardy2008-01-282-39/+46
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: use nlmsg_parsePatrick McHardy2008-01-281-4/+1
| | | | | | | Convert open-coded nlmsg_parse to use the real function. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: act_api: fix netlink API conversion bugPatrick McHardy2008-01-281-4/+4
| | | | | | | | Fix two invalid attribute accesses, indices start at 1 with the new netlink API. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_netem: use nla_parse_nested_compatPatrick McHardy2008-01-281-32/+26
| | | | | | | Replace open coded equivalent of nla_parse_nested_compat(). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_atm: fix format string warningPatrick McHardy2008-01-281-1/+1
| | | | | | | | | Fix format string warning introduces by the netlink API conversion: net/sched/sch_atm.c:250: warning: format '%lu' expects type 'long unsigned int', but argument 3 has type 'int'. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert actions from rtnetlink to new netlink APIPatrick McHardy2008-01-289-212/+214
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert classifiers from rtnetlink to new netlink APIPatrick McHardy2008-01-2810-276/+284
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink APIPatrick McHardy2008-01-2818-411/+447
| | | | | | | | | | | Convert packet schedulers to use the netlink API. Unfortunately a gradual conversion is not possible without breaking compilation in the middle or adding lots of casts, so this patch converts them all in one step. The patch has been mostly generated automatically with some minor edits to at least allow seperate conversion of classifiers and actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: mark classifier ops __read_mostlyPatrick McHardy2008-01-286-10/+6
| | | | | | | Additionally remove unnecessary NULL initilizations of the next pointer. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Move EXPORT_SYMBOL next to exported symbolPatrick McHardy2008-01-285-27/+22
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] net classifier: style cleanup'sStephen Hemminger2008-01-282-87/+73
| | | | | | | | Classifier code cleanup. Get rid of printk wrapper, and fix whitespace and other style stuff reported by checkpatch Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] sch_atm: style cleanupStephen Hemminger2008-01-281-74/+65
| | | | | | | | | | ATM scheduler clean house: * get rid of printk and qdisc_priv() wrapper * split some assignment in if() statements * whitespace and line breaks. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] dsmark: checkpatch warning cleanupStephen Hemminger2008-01-281-39/+40
| | | | | | | | Get rid of all style things checkpatch warns about, indentation and whitespace. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] dsmark: handle cloned and non-linear skb'sStephen Hemminger2008-01-281-4/+15
| | | | | | | | | | | | Make dsmark work properly with non-linear and cloned skb's Before modifying the header, it needs to check that skb header is writeable. Note: this makes the assumption, that if it queues a good skb then a good skb will come out of the embedded qdisc. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] dsmark: Use hweight32() instead of convoluted loop.David S. Miller2008-01-281-12/+3
| | | | | | | Based upon a patch by Stephen Hemminger and suggestions from Patrick McHardy. Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] dsmark: get rid of wrappersStephen Hemminger2008-01-281-49/+34
| | | | | | | Remove extraneous macro wrappers for printk and qdisc_priv. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill obsolete NET_CLS_POLICE optionPatrick McHardy2008-01-281-9/+0
| | | | | | | | | | 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: remove useless printkPatrick McHardy2008-01-281-8/+1
| | | | | | | | | | | | The printk about ingress qdisc registration error can't be triggered under normal circumstances. Since register_qdisc only fails for two identical registrations, the only way to trigger it is by loading the sch_ingress modules multiple times under different names, in which case we already return -EEXIST to userspace. 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]: sch_ingress: avoid a few #ifdefsPatrick McHardy2008-01-281-12/+4
| | | | | | | | | Move the repeating "ifndef CONFIG_NET_CLS_ACT/ifdef CONFIG_NETFILTER" ifdefs into a single condition. 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]: sch_ingress: move dependencies to KconfigPatrick McHardy2008-01-282-10/+2
| | | | | | | | | 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>
* [NET_SCHED]: sch_ingress: remove unnecessary opsPatrick McHardy2008-01-281-24/+0
| | | | | | | | | | - ->reset is optional - sch_api provides identical defaults for ->dequeue/->requeue - ->drop can't happen since ingress never has a parent qdisc 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]: sch_ingress: return proper error code in ingress_graft()Patrick McHardy2008-01-281-1/+1
| | | | | | 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]: sch_ingress: remove unused inner qdiscPatrick McHardy2008-01-281-4/+0
| | | | | | 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]: sch_ingress: remove qdisc_priv() wrapperPatrick McHardy2008-01-281-6/+4
| | | | | | 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]: sch_ingress: remove excessive debuggingPatrick McHardy2008-01-281-76/+3
| | | | | | | | Remove excessive debugging statements and some "future use" stuff. 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]: sch_ingress: formatting fixesPatrick McHardy2008-01-281-64/+39
| | | | | | 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>
* [PKT_SCHED] SFQ: whitespace cleanupStephen Hemminger2008-01-281-17/+25
| | | | | | | | Add whitespace around operators, and add a few blank lines to improve readability. Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] SFQ: use net_randomStephen Hemminger2008-01-281-3/+3
| | | | | | | | | | SFQ doesn't need true random numbers, it is only using them to salt a hash. Therefore it is better to use net_random() and avoid any possible problems with depleting the entropy pool. Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] SFQ: timer is deferrableStephen Hemminger2008-01-281-1/+3
| | | | | | | | | The perturbation timer used for re-keying can be deferred, it doesn't need to be deterministic. Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] HTB: htb_classid is dead static inlineIlpo Järvinen2008-01-281-4/+0
| | | | | Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Add some acquires/releases sparse annotations.Eric Dumazet2008-01-281-0/+4
| | | | | | | | | | | | | | | Add __acquires() and __releases() annotations to suppress some sparse warnings. example of warnings : net/ipv4/udp.c:1555:14: warning: context imbalance in 'udp_seq_start' - wrong count at exit net/ipv4/udp.c:1571:13: warning: context imbalance in 'udp_seq_stop' - unexpected unlock Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Mark hooks __read_mostlyPatrick McHardy2008-01-281-1/+1
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Use nf_register_hooks for multiple registrationsPatrick McHardy2008-01-281-26/+18
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Convert old checksum helper namesPatrick McHardy2008-01-282-7/+6
| | | | | | | | | 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>
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