[PATCH] mvebu: fill additional info for mvneta tx queue workaround patch

Tomasz Maciej Nowak tmn505 at terefe.re
Wed Jan 10 08:44:48 PST 2024


From: Tomasz Maciej Nowak <tmn505 at gmail.com>

Because some still unresolved bugs in this driver, which sprout
occasional questions what this patch works around, point to the issue
which started this. Being here, fill headers required by git am.

Signed-off-by: Tomasz Maciej Nowak <tmn505 at gmail.com>
---
 .../mvebu/patches-5.15/700-mvneta-tx-queue-workaround.patch  | 5 +++++
 .../mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch   | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/target/linux/mvebu/patches-5.15/700-mvneta-tx-queue-workaround.patch b/target/linux/mvebu/patches-5.15/700-mvneta-tx-queue-workaround.patch
index 32e8ef4b7d87..039dbc06dd04 100644
--- a/target/linux/mvebu/patches-5.15/700-mvneta-tx-queue-workaround.patch
+++ b/target/linux/mvebu/patches-5.15/700-mvneta-tx-queue-workaround.patch
@@ -1,3 +1,6 @@
+From: Felix Fietkau <nbd at nbd.name>
+Subject: mvneta: tx queue workaround
+
 The hardware queue scheduling is apparently configured with fixed
 priorities, which creates a nasty fairness issue where traffic from one
 CPU can starve traffic from all other CPUs.
@@ -5,6 +8,8 @@ CPU can starve traffic from all other CPUs.
 Work around this issue by forcing all tx packets to go through one CPU,
 until this issue is fixed properly.
 
+Ref: https://github.com/openwrt/openwrt/issues/5411
+
 Signed-off-by: Felix Fietkau <nbd at nbd.name>
 ---
 --- a/drivers/net/ethernet/marvell/mvneta.c
diff --git a/target/linux/mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch b/target/linux/mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch
index 15762be81d40..f80d4e301ada 100644
--- a/target/linux/mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch
+++ b/target/linux/mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch
@@ -1,3 +1,6 @@
+From: Felix Fietkau <nbd at nbd.name>
+Subject: mvneta: tx queue workaround
+
 The hardware queue scheduling is apparently configured with fixed
 priorities, which creates a nasty fairness issue where traffic from one
 CPU can starve traffic from all other CPUs.
@@ -5,6 +8,8 @@ CPU can starve traffic from all other CPUs.
 Work around this issue by forcing all tx packets to go through one CPU,
 until this issue is fixed properly.
 
+Ref: https://github.com/openwrt/openwrt/issues/5411
+
 Signed-off-by: Felix Fietkau <nbd at nbd.name>
 ---
 --- a/drivers/net/ethernet/marvell/mvneta.c
-- 
2.43.0




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