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authorMohit P. Tahiliani <tahiliani@nitk.edu.in>2020-01-22 23:52:33 +0530
committerDavid S. Miller <davem@davemloft.net>2020-01-23 11:38:31 +0100
commitec97ecf1ebe485a17cd8395a5f35e6b80b57665a (patch)
tree2e5491ce3a3ff1b637edf2e24dce419d4c1da678 /net/sched/Makefile
parent5205ea00cda1ac23cebfb97dfccca84722d58dfe (diff)
downloadlinux-ec97ecf1ebe485a17cd8395a5f35e6b80b57665a.tar.bz2
net: sched: add Flow Queue PIE packet scheduler
Principles: - Packets are classified on flows. - This is a Stochastic model (as we use a hash, several flows might be hashed to the same slot) - Each flow has a PIE managed queue. - Flows are linked onto two (Round Robin) lists, so that new flows have priority on old ones. - For a given flow, packets are not reordered. - Drops during enqueue only. - ECN capability is off by default. - ECN threshold (if ECN is enabled) is at 10% by default. - Uses timestamps to calculate queue delay by default. Usage: tc qdisc ... fq_pie [ limit PACKETS ] [ flows NUMBER ] [ target TIME ] [ tupdate TIME ] [ alpha NUMBER ] [ beta NUMBER ] [ quantum BYTES ] [ memory_limit BYTES ] [ ecnprob PERCENTAGE ] [ [no]ecn ] [ [no]bytemode ] [ [no_]dq_rate_estimator ] defaults: limit: 10240 packets, flows: 1024 target: 15 ms, tupdate: 15 ms (in jiffies) alpha: 1/8, beta : 5/4 quantum: device MTU, memory_limit: 32 Mb ecnprob: 10%, ecn: off bytemode: off, dq_rate_estimator: off Signed-off-by: Mohit P. Tahiliani <tahiliani@nitk.edu.in> Signed-off-by: Sachin D. Patil <sdp.sachin@gmail.com> Signed-off-by: V. Saicharan <vsaicharan1998@gmail.com> Signed-off-by: Mohit Bhasi <mohitbhasi1998@gmail.com> Signed-off-by: Leslie Monis <lesliemonis@gmail.com> Signed-off-by: Gautam Ramakrishnan <gautamramk@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/Makefile')
-rw-r--r--net/sched/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/Makefile b/net/sched/Makefile
index bc8856b865ff..31c367a6cd09 100644
--- a/net/sched/Makefile
+++ b/net/sched/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_NET_SCH_CAKE) += sch_cake.o
obj-$(CONFIG_NET_SCH_FQ) += sch_fq.o
obj-$(CONFIG_NET_SCH_HHF) += sch_hhf.o
obj-$(CONFIG_NET_SCH_PIE) += sch_pie.o
+obj-$(CONFIG_NET_SCH_FQ_PIE) += sch_fq_pie.o
obj-$(CONFIG_NET_SCH_CBS) += sch_cbs.o
obj-$(CONFIG_NET_SCH_ETF) += sch_etf.o
obj-$(CONFIG_NET_SCH_TAPRIO) += sch_taprio.o