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authorIdo Schimmel <idosch@mellanox.com>2020-04-30 20:01:09 +0300
committerDavid S. Miller <davem@davemloft.net>2020-04-30 13:02:32 -0700
commited04458d4a900005d96b991fc0eb938875091047 (patch)
tree443afaf096f13b0dca7d8ca13029e271a9d48599 /drivers/spmi
parent466010342e89240c45746f65767c7290b96a4b36 (diff)
mlxsw: spectrum_span: Add APIs to get / put an analyzed port
An analyzed port is a port whose incoming / outgoing traffic is mirrored to a SPAN agent and analyzed on a remote server. A port can be analyzed by multiple tc filters and therefore the corresponding analyzed port entry needs to be reference counted. This is significant because ports whose outgoing traffic is analyzed need to have an egress mirror buffer. Add APIs to get / put an analyzed port. Allocate an egress mirror buffer on a port when it is first inspected at egress and free the buffer when it is no longer inspected at egress. Protect the list of analyzed ports with a mutex, as a later patch will traverse it from a context in which RTNL lock is not held. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/spmi')
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