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2015-03-20act_bpf: add initial eBPF support for actionsDaniel Borkmann1-0/+2
This work extends the "classic" BPF programmable tc action by extending its scope also to native eBPF code! Together with commit e2e9b6541dd4 ("cls_bpf: add initial eBPF support for programmable classifiers") this adds the facility to implement fully flexible classifier and actions for tc that can be implemented in a C subset in user space, "safely" loaded into the kernel, and being run in native speed when JITed. Also, since eBPF maps can be shared between eBPF programs, it offers the possibility that cls_bpf and act_bpf can share data 1) between themselves and 2) between user space applications. That means that, f.e. customized runtime statistics can be collected in user space, but also more importantly classifier and action behaviour could be altered based on map input from the user space application. For the remaining details on the workflow and integration, see the cls_bpf commit e2e9b6541dd4. Preliminary iproute2 part can be found under [1]. [1] http://git.breakpoint.cc/cgit/dborkman/iproute2.git/log/?h=ebpf-act Signed-off-by: Daniel Borkmann <[email protected]> Cc: Jamal Hadi Salim <[email protected]> Cc: Jiri Pirko <[email protected]> Acked-by: Jiri Pirko <[email protected]> Acked-by: Alexei Starovoitov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-02-23net: sched: export tc_connmark.h so it is uapi accessibleJamal Hadi Salim1-0/+1
Signed-off-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-01-19net: sched: Introduce connmark actionFelix Fietkau1-0/+22
This tc action allows you to retrieve the connection tracking mark This action has been used heavily by openwrt for a few years now. There are known limitations currently: doesn't work for initial packets, since we only query the ct table. Fine given use case is for returning packets no implicit defrag. frags should be rare so fix later.. won't work for more complex tasks, e.g. lookup of other extensions since we have no means to store results we still have a 2nd lookup later on via normal conntrack path. This shouldn't break anything though since skb->nfct isn't altered. V2: remove unnecessary braces (Jiri) change the action identifier to 14 (Jiri) Fix some stylistic issues caught by checkpatch V3: Move module params to bottom (Cong) Get rid of tcf_hashinfo_init and friends and conform to newer API (Cong) Acked-by: Jiri Pirko <[email protected]> Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2015-01-17tc: add BPF based actionJiri Pirko2-0/+32
This action provides a possibility to exec custom BPF code. Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-12-09tc_act: export uapi header filestephen hemminger1-0/+1
This file is used by iproute2 and should be exported. Signed-off-by: Stephen Hemminger <[email protected]> Acked-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-11-21sched: introduce vlan actionJiri Pirko1-0/+35
This tc action allows to work with vlan tagged skbs. Two supported sub-actions are header pop and header push. Signed-off-by: Jiri Pirko <[email protected]> Signed-off-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-01-16net_sched: act: pick a different type for act_xtWANG Cong1-0/+1
In tcf_register_action() we check either ->type or ->kind to see if there is an existing action registered, but ipt action registers two actions with same type but different kinds. They should have different types too. Cc: Jamal Hadi Salim <[email protected]> Cc: David S. Miller <[email protected]> Signed-off-by: Cong Wang <[email protected]> Signed-off-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2013-10-02tc: export tc_defact.h to userspacestephen hemminger2-0/+20
Jamal sent patch to add tc user simple actions to iproute2 but required header was not being exported. Signed-off-by: Stephen Hemminger <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2012-10-09UAPI: (Scripted) Disintegrate include/linux/tc_actDavid Howells8-0/+225
Signed-off-by: David Howells <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Michael Kerrisk <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Acked-by: Dave Jones <[email protected]>
2012-10-02UAPI: (Scripted) Set up UAPI Kbuild filesDavid Howells1-0/+1
Set up empty UAPI Kbuild files to be populated by the header splitter. Signed-off-by: David Howells <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Paul E. McKenney <[email protected]> Acked-by: Dave Jones <[email protected]>
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