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| /openbmc/linux/drivers/net/vxlan/ |
| H A D | vxlan_core.c | 84321030 Fri Apr 26 10:27:17 CDT 2024 Guillaume Nault <gnault@redhat.com> vxlan: Fix racy device stats updates.
[ Upstream commit 6dee402daba4eb8677a9438ebdcd8fe90ddd4326 ]
VXLAN devices update their stats locklessly. Therefore these counters
should either be stored in per-cpu data structures or the updates
should be done using atomic increments.
Since the net_device_core_stats infrastructure is already used in
vxlan_rcv(), use it for the other rx_dropped and tx_dropped counter
updates. Update the other counters atomically using DEV_STATS_INC().
Fixes: d342894c5d2f ("vxlan: virtual extensible lan")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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