bnxt_en: Add a mutex to synchronize ULP operations

The current scheme relies heavily on the RTNL lock for all ULP
operations between the L2 and the RoCE driver.  Add a new en_dev_lock
mutex so that the asynchronous ULP_STOP and ULP_START operations
can be serialized with bnxt_register_dev() and bnxt_unregister_dev()
calls without relying on the RTNL lock.  The next patch will remove
the RTNL lock from the ULP_STOP and ULP_START calls.

Reviewed-by: Selvin Thyparampil Xavier <[email protected]>
Reviewed-by: Vikas Gupta <[email protected]>
Reviewed-by: Pavan Chebbi <[email protected]>
Signed-off-by: Kalesh AP <[email protected]>
Signed-off-by: Michael Chan <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

0 files changed, 0 insertions, 0 deletions