rps_may_expire_flow
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## Name

rps_may_expire_flow — check whether an RFS hardware filter may be removed

## Synopsis

`bool rps_may_expire_flow (` | struct net_device * dev,
| u16 rxq_index,
| u32 flow_id,
| u16 filter_id`)`;

## Arguments

`dev`

  Device on which the filter was set

`rxq_index`

  RX queue index

`flow_id`

  Flow ID passed to `ndo_rx_flow_steer`

`filter_id`

  Filter ID returned by `ndo_rx_flow_steer`

## Description

Drivers that implement `ndo_rx_flow_steer` should periodically call this function for each installed filter and remove the filters for which it returns `true`.

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