vxlan: Use a per-namespace nexthop listener instead of a global one

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The nexthop notification chain is a per-namespace chain and not a global
one like the netdev notification chain.

Therefore, a single (global) listener cannot be registered to all these
chains simultaneously as it will result in list corruptions whenever
listeners are registered / unregistered.

Instead, register a different listener in each namespace.

Currently this is not an issue because only the VXLAN driver registers a
listener to this chain, but this is going to change with netdevsim and
mlxsw also registering their own listeners.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20201101113926.705630-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Ido Schimmel 2020-11-01 13:39:26 +02:00 • committed by Jakub Kicinski

parent 12c9ee3cb4

commit 626d667b19

1 changed files with 8 additions and 7 deletions

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drivers/net/vxlan.c

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