Rakesh Goyal 158ea57641 nvethernet: Protect Tx timestamp list ...

add_skb_node() added to delete the old entries from the list
but this can concurrently create the issue with ether_get_tx_ts()
either from the workqueue or direct call from tx done routine.

Protect the concurrent access of Tx timestamp list from add_skb_node()
and ether_get_tx_ts().

Bug 3927990
Bug 4088361

Change-Id: Ifae84a072d7d16b259178f2a8e79c2065ce837d8
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2842411
(cherry picked from commit 8509d3060cc697cf43c3194521575f859de53e39)
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Signed-off-by: Revanth Kumar Uppala <ruppala@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2895045
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

2023-05-04 11:35:32 -07:00

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