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98684d99b2
Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr> [added sfp related patches from Russell King] Signed-off-by: Marek Behún <marek.behun@nic.cz> [rebase; rework patches; separate and cleanup kernel configs; add espessobin dts; adjust venom dts] Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
36 lines
1.2 KiB
Diff
36 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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@@ -4257,6 +4257,15 @@ static int mvneta_ethtool_set_eee(struct
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return phylink_ethtool_set_eee(pp->phylink, eee);
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}
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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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+ select_queue_fallback_t fallback)
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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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+
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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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@@ -4267,6 +4276,7 @@ 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_do_ioctl = mvneta_ioctl,
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+ .ndo_select_queue = mvneta_select_queue,
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};
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static const struct ethtool_ops mvneta_eth_tool_ops = {
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