7f257296ec
Remove the following patches: 100-ARM-dts-turris-omnia-configure-LED-0-pin-function-to [1] 101-ARM-dts-turris-omnia-enable-LED-controller-node [2] 702-net-next-ethernet-marvell-mvnetaMQPrioOffload [3] 703-net-next-ethernet-marvell-mvnetaMQPrioFlag [4] 704-net-next-ethernet-marvell-mvnetaMQPrioQueue [5] 705-net-next-ethernet-marvell-mvnetaMQPrioTCOffload [6] 710-v6.2-phy-marvell-phy-mvebu-a3700-comphy-Reset-COMPHY-regi [7] Manually rebased: 902-drivers-mfd-Add-a-driver-for-IEI-WT61P803-PUZZLE-MCU All other patches automatically rebased [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=94a29bffdd59498382131fd428fed221f5c96def [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=40624346b7ae0c2b1209fc9993ea30699e512c50 [3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=75fa71e3acadbb4ab5eda18505277eb9a1f69b23 [4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e7ca75fe6662f78bfeb0112671c812e4c7b8e214 [5] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e9f7099d0730341b24c057acbf545dd019581db6 [6] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2551dc9e398c37a15e52122d385c29a8b06be45f [7] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=cd1e1735aeab49abc679218a79ee764c0d394880 Signed-off-by: Stefan Kalscheuer <stefan@stklcode.de>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
The hardware queue scheduling is apparently configured with fixed
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priorities, which creates a nasty fairness issue where traffic from one
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CPU can starve traffic from all other CPUs.
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Work around this issue by forcing all tx packets to go through one CPU,
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until this issue is fixed properly.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/marvell/mvneta.c
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+++ b/drivers/net/ethernet/marvell/mvneta.c
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@@ -5222,6 +5222,16 @@ static int mvneta_setup_tc(struct net_de
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}
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}
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+#ifndef CONFIG_ARM64
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+static u16 mvneta_select_queue(struct net_device *dev, struct sk_buff *skb,
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+ struct net_device *sb_dev)
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+{
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+ /* XXX: hardware queue scheduling is broken,
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+ * use only one queue until it is fixed */
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+ return 0;
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+}
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+#endif
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+
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static const struct net_device_ops mvneta_netdev_ops = {
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.ndo_open = mvneta_open,
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.ndo_stop = mvneta_stop,
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@@ -5232,6 +5242,9 @@ static const struct net_device_ops mvnet
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.ndo_fix_features = mvneta_fix_features,
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.ndo_get_stats64 = mvneta_get_stats64,
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.ndo_eth_ioctl = mvneta_ioctl,
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+#ifndef CONFIG_ARM64
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+ .ndo_select_queue = mvneta_select_queue,
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+#endif
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.ndo_bpf = mvneta_xdp,
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.ndo_xdp_xmit = mvneta_xdp_xmit,
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.ndo_setup_tc = mvneta_setup_tc,
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