linux-kernel - [PATCH 1/2] arm64: defconfig: enable TSN features for ENETC and similiar hardware

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Date:   Wed,  8 Jul 2020 00:31:12 +0200
From:   Michael Walle <michael@...le.cc>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     soc@...nel.org, Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Vladimir Oltean <olteanv@...il.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH 1/2] arm64: defconfig: enable TSN features for ENETC and similiar hardware

Newer network cards and switches support offloading of certain packet
scheduling, classifying and actions onto the hardware itself. For
example, time-aware and credit based schedulers. To use this feature we
have to enable the corresponding modules. Please note, that this will
also enable NET_SCHED and NET_CLS_ACT as builtin because there is no
module option. The enabled modules should get us a good foundation.

$ scripts/bloat-o-meter old-vmlinux vmlinux
add/remove: 446/215 grow/shrink: 48/31 up/down: 78445/-11519 (66926)
[..]
Total: Before=20452567, After=20519493, chg +0.33%

Signed-off-by: Michael Walle <michael@...le.cc>
---
 arch/arm64/configs/defconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index e38486b836f4..0aeb9971e086 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -162,6 +162,18 @@ CONFIG_NET_DSA=m
 CONFIG_VLAN_8021Q=m
 CONFIG_VLAN_8021Q_GVRP=y
 CONFIG_VLAN_8021Q_MVRP=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_CBS=m
+CONFIG_NET_SCH_ETF=m
+CONFIG_NET_SCH_TAPRIO=m
+CONFIG_NET_SCH_MQPRIO=m
+CONFIG_NET_SCH_INGRESS=m
+CONFIG_NET_CLS_BASIC=m
+CONFIG_NET_CLS_FLOWER=m
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_GACT=m
+CONFIG_NET_ACT_MIRRED=m
+CONFIG_NET_ACT_GATE=m
 CONFIG_QRTR=m
 CONFIG_QRTR_SMD=m
 CONFIG_QRTR_TUN=m
-- 
2.20.1