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76cabb95da
Backport Russell King's series [1]
net: mvneta: reduce size of TSO header allocation
to pending-5.15 to fix random crashes on Turris Omnia.
This also backports two patches that are dependencies to this series:
net: mvneta: Delete unused variable
net: mvneta: fix potential double-frees in mvneta_txq_sw_deinit()
[1] https://lore.kernel.org/netdev/ZCsbJ4nG+So%2Fn9qY@shell.armlinux.org.uk/
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com> (squashed)
(cherry picked from commit 7b31c2e9ed)
31 lines
1021 B
Diff
31 lines
1021 B
Diff
From e7ca75fe6662f78bfeb0112671c812e4c7b8e214 Mon Sep 17 00:00:00 2001
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From: Maxime Chevallier <maxime.chevallier@bootlin.com>
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Date: Fri, 26 Nov 2021 12:20:54 +0100
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Subject: net: mvneta: Don't force-set the offloading flag
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The qopt->hw flag is set by the TC code according to the offloading mode
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asked by user. Don't force-set it in the driver, but instead read it to
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make sure we do what's asked.
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Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/marvell/mvneta.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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(limited to 'drivers/net/ethernet/marvell/mvneta.c')
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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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@@ -4973,7 +4973,9 @@ static int mvneta_setup_mqprio(struct ne
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u8 num_tc;
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int i;
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- mqprio->qopt.hw = TC_MQPRIO_HW_OFFLOAD_TCS;
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+ if (mqprio->qopt.hw != TC_MQPRIO_HW_OFFLOAD_TCS)
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+ return 0;
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+
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num_tc = mqprio->qopt.num_tc;
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if (num_tc > rxq_number)
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