CONFIG_NET_SCH_NETEM: to emulate network delay, loss, and packet re-ordering.
CONFIG_NET_SCH_NETEM:
Say Y if you want to emulate network delay, loss, and packet
re-ordering. This is often useful to simulate networks when
testing applications or protocols.
To compile this driver as a module, choose M here: the module
will be called sch_netem.
If unsure, say N.
Symbol: NET_SCH_NETEM [=m]
Type : tristate
Prompt: Network emulator (NETEM)
Location:
-> Networking support (NET [=y])
-> Networking options
-> QoS and/or fair queueing (NET_SCHED [=y])
Defined at net/sched/Kconfig:197
Depends on: NET [=y] && NET_SCHED [=y]
grep NET_SCH_NETEM out/target/product/dipper/obj/KERNEL_OBJ/.config
grep NET_SCH_NETEM kernel/xiaomi/sdm845/arch/arm64/configs/dipper_defconfig
vim kernel/xiaomi/sdm845/arch/arm64/configs/dipper_defconfig
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_HTB=y
CONFIG_NET_SCH_NETEM=y // add the line
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