[openwrt/openwrt] mvebu: fill additional info for mvneta tx queue workaround patch
LEDE Commits
lede-commits at lists.infradead.org
Mon Feb 26 11:02:06 PST 2024
robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/a898a321a2bdbf4ddef7ee427ffb5fc357e1f9e5
commit a898a321a2bdbf4ddef7ee427ffb5fc357e1f9e5
Author: Tomasz Maciej Nowak <tmn505 at gmail.com>
AuthorDate: Mon Feb 26 17:26:42 2024 +0100
mvebu: fill additional info for mvneta tx queue workaround patch
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>
---
target/linux/mvebu/patches-6.1/700-mvneta-tx-queue-workaround.patch | 5 +++++
1 file changed, 5 insertions(+)
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 918132e293..14f93592fe 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
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