| Message ID | 20240226162737.10105-1-tmn505@terefe.re |
|---|---|
| State | Accepted |
| Delegated to: | Robert Marko |
| Headers | show |
| Series | [v2] mvebu: fill additional info for mvneta tx queue workaround patch | expand |
On Mon, 26 Feb 2024 at 17:27, Tomasz Maciej Nowak <tmn505@terefe.re> wrote: > > From: Tomasz Maciej Nowak <tmn505@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@gmail.com> Thanks, Merged. Regards, Robert > --- > v1 -> v2 > - rebase > > .../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 918132e2936c..14f93592fe3a 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@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@nbd.name> > --- > --- a/drivers/net/ethernet/marvell/mvneta.c > -- > 2.44.0 >
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 918132e2936c..14f93592fe3a 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@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@nbd.name> --- --- a/drivers/net/ethernet/marvell/mvneta.c