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1c4415a679
The NXP LSDK kernel backported changes for interface ndo_get_stats64 functions from mainline, this causes a compile error with backports/mac80211, which expects the original 4.9 defintion. As reversing the ndo_get_stats64 change signifcantly reduces the size of patch 601, the patches that were aggregated into it have been disaggregated. Signed-off-by: Mathew McBride <matt@traverse.com.au>
61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
From 3d33284eb087deb7f62639a2d2c03b9d0a3eeb34 Mon Sep 17 00:00:00 2001
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From: Camelia Groza <camelia.groza@nxp.com>
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Date: Mon, 11 Sep 2017 17:20:41 +0800
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Subject: [PATCH] sdk_dpaa: update the xmit timestamp to avoid watchdog
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timeouts
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[core-linux part]
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Update txq0's trans_start in order to prevent the netdev watchdog from
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triggering too quickly. Since we set the LLTX flag, the stack won't update
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the jiffies for other tx queues. Prevent the watchdog from checking the
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other tx queues by adding the NETIF_HW_ACCEL_MQ flag.
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Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
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---
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include/linux/netdev_features.h | 2 ++
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net/sched/sch_generic.c | 7 +++++++
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2 files changed, 9 insertions(+)
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diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
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index 9c6c8ef2e9e7..90b4107ebeff 100644
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--- a/include/linux/netdev_features.h
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+++ b/include/linux/netdev_features.h
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@@ -74,6 +74,7 @@ enum {
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NETIF_F_BUSY_POLL_BIT, /* Busy poll */
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NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */
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+ NETIF_F_HW_ACCEL_MQ_BIT, /* Hardware-accelerated multiqueue */
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/*
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* Add your fresh new feature above and remember to update
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@@ -136,6 +137,7 @@ enum {
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#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
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#define NETIF_F_BUSY_POLL __NETIF_F(BUSY_POLL)
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#define NETIF_F_HW_TC __NETIF_F(HW_TC)
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+#define NETIF_F_HW_ACCEL_MQ __NETIF_F(HW_ACCEL_MQ)
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#define for_each_netdev_feature(mask_addr, bit) \
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for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT)
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diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
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index 6cfb6e9038c2..3fab16cb7c58 100644
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--- a/net/sched/sch_generic.c
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+++ b/net/sched/sch_generic.c
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@@ -309,6 +309,13 @@ static void dev_watchdog(unsigned long arg)
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txq->trans_timeout++;
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break;
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}
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+
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+ /* Devices with HW_ACCEL_MQ have multiple txqs
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+ * but update only the first one's transmission
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+ * timestamp so avoid checking the rest.
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+ */
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+ if (dev->features & NETIF_F_HW_ACCEL_MQ)
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+ break;
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}
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if (some_queue_timedout) {
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--
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2.11.1
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