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authorThomas Graf <tgraf@suug.ch>2008-11-07 22:56:00 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-07 22:56:00 -0800
commitf400923735ecbb67cbe4a3606c9479f694754f51 (patch)
treebfe96ecb2860837bf858ceb180c489c931ed74d9 /net/sched/Kconfig
parent505d4f73dda9e20d59da05008f1f5eb432613e71 (diff)
downloadop-kernel-dev-f400923735ecbb67cbe4a3606c9479f694754f51.zip
op-kernel-dev-f400923735ecbb67cbe4a3606c9479f694754f51.tar.gz
pkt_sched: Control group classifier
The classifier should cover the most common use case and will work without any special configuration. The principle of the classifier is to directly access the task_struct via get_current(). In order for this to work, classification requests from softirqs must be ignored. This is not a problem because the vast majority of packets in softirq context are not assigned to a task anyway. For this to work, a mechanism is needed to trace softirq context. This repost goes back to the method of relying on the number of nested bh disable calls for the sake of not adding too much complexity and the option to come up with something more reliable if actually needed. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/Kconfig')
-rw-r--r--net/sched/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index 6767e54..36543b6 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -316,6 +316,17 @@ config NET_CLS_FLOW
To compile this code as a module, choose M here: the
module will be called cls_flow.
+config NET_CLS_CGROUP
+ bool "Control Group Classifier"
+ select NET_CLS
+ depends on CGROUPS
+ ---help---
+ Say Y here if you want to classify packets based on the control
+ cgroup of their process.
+
+ To compile this code as a module, choose M here: the
+ module will be called cls_cgroup.
+
config NET_EMATCH
bool "Extended Matches"
select NET_CLS
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