From e95b359eaab94f0626cebdf18938d5f8ccff5b22 Mon Sep 17 00:00:00 2001
From: Kabuli Chana <newtownBuild@gmail.com>
Date: Sun, 7 Aug 2022 17:05:51 -0600
Subject: kernel: netsupport: Add FQ-PIE as an optional sched kmod and extract
 PIE

add Flow Queuing with Proportional Integral controller Enhanced (FQ-PIE) as an
optional kmod in network support and extract sched-pie from kmod-sched to
allow dependency on just kmod-sched-pie (PIE).

Signed-off-by: Kabuli Chana <newtownBuild@gmail.com>
(cherry picked from commit c3e4a0d99b972b91dd65f535365b9b71fcb541ae)
---
 package/kernel/linux/modules/netsupport.mk | 35 ++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

(limited to 'package/kernel')

diff --git a/package/kernel/linux/modules/netsupport.mk b/package/kernel/linux/modules/netsupport.mk
index 380f53db7b..f077947a92 100644
--- a/package/kernel/linux/modules/netsupport.mk
+++ b/package/kernel/linux/modules/netsupport.mk
@@ -924,6 +924,22 @@ endef
 $(eval $(call KernelPackage,sched-flower))
 
 
+define KernelPackage/sched-fq-pie
+  SUBMENU:=$(NETWORK_SUPPORT_MENU)
+  TITLE:=Flow Queue Proportional Integral Enhanced (FQ-PIE)
+  DEPENDS:=+kmod-sched-core +kmod-sched-pie
+  KCONFIG:=CONFIG_NET_SCH_FQ_PIE
+  FILES:=$(LINUX_DIR)/net/sched/sch_fq_pie.ko
+  AUTOLOAD:=$(call AutoProbe, sch_fq_pie)
+endef
+
+define KernelPackage/sched-fq-pie/description
+  A queuing discipline that combines Flow Queuing with the PIE AQM.
+endef
+
+$(eval $(call KernelPackage,sched-fq-pie))
+
+
 define KernelPackage/sched-ipset
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=Traffic shaper ipset support
@@ -954,6 +970,22 @@ endef
 $(eval $(call KernelPackage,sched-mqprio))
 
 
+define KernelPackage/sched-pie
+  SUBMENU:=$(NETWORK_SUPPORT_MENU)
+  TITLE:=Proportional Integral controller-Enhanced AQM (PIE)
+  DEPENDS:=+kmod-sched-core
+  KCONFIG:=CONFIG_NET_SCH_PIE
+  FILES:=$(LINUX_DIR)/net/sched/sch_pie.ko
+  AUTOLOAD:=$(call AutoProbe, sch_pie)
+endef
+
+define KernelPackage/sched-pie/description
+  A control theoretic active queue management scheme.
+endef
+
+$(eval $(call KernelPackage,sched-pie))
+
+
 define KernelPackage/sched-prio
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=Multi Band Priority Queueing (PRIO)
@@ -996,7 +1028,7 @@ endef
 $(eval $(call KernelPackage,bpf-test))
 
 
-SCHED_MODULES_EXTRA = sch_codel sch_dsmark sch_gred sch_multiq sch_sfq sch_teql sch_fq sch_pie act_pedit act_simple act_csum em_cmp em_nbyte em_meta em_text
+SCHED_MODULES_EXTRA = sch_codel sch_dsmark sch_gred sch_multiq sch_sfq sch_teql sch_fq act_pedit act_simple act_csum em_cmp em_nbyte em_meta em_text
 SCHED_FILES_EXTRA = $(foreach mod,$(SCHED_MODULES_EXTRA),$(LINUX_DIR)/net/sched/$(mod).ko)
 
 define KernelPackage/sched
@@ -1011,7 +1043,6 @@ define KernelPackage/sched
 	CONFIG_NET_SCH_SFQ \
 	CONFIG_NET_SCH_TEQL \
 	CONFIG_NET_SCH_FQ \
-	CONFIG_NET_SCH_PIE \
 	CONFIG_NET_ACT_PEDIT \
 	CONFIG_NET_ACT_SIMP \
 	CONFIG_NET_ACT_CSUM \
-- 
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