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e52f3e9b13
Remove upstreamed patches: generic/pending/101-clocksource-mips-gic-timer-fix-clocksource-counter-w.patch generic/pending/103-MIPS-c-r4k-fix-data-corruption-related-to-cache-coherence.patch generic/pending/182-net-qmi_wwan-add-BroadMobi-BM806U-2020-2033.patch lantiq/0025-MIPS-lantiq-gphy-Remove-reboot-remove-reset-asserts.patch Update patches that no longer apply: generic/pending/811-pci_disable_usb_common_quirks.patch ath79/0009-MIPS-ath79-add-lots-of-missing-registers.patch Fixes CVE-2018-6412. Compile-tested: octeon, x86/64. Runtime-tested: octeon, x86/64. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
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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@@ -3962,6 +3962,15 @@ static int mvneta_ethtool_set_wol(struct
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return ret;
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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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+ void *accel_priv,
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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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@@ -3972,6 +3981,7 @@ 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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