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If a counter has the aging flag set when created, it is added to a list of counters that will be queried periodically from a workqueue. query result and last use timestamp are cached. add/del counter must be very efficient since thousands of such operations might be issued in a second. There is only a single reference to counters without aging, therefore no need for locks. But, counters with aging enabled are stored in a list. In order to make code as lockless as possible, all the list manipulation and access to hardware is done from a single context - the periodic counters query thread. The hardware supports multiple counters per FTE, however currently we are using one counter for each FTE. Signed-off-by: Amir Vadai <amirva@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| cmd.h | ||
| cq.h | ||
| device.h | ||
| doorbell.h | ||
| driver.h | ||
| fs.h | ||
| mlx5_ifc.h | ||
| port.h | ||
| qp.h | ||
| srq.h | ||
| transobj.h | ||
| vport.h | ||