diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c index 42803fc0ed18..d7430ce6af26 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c @@ -1364,6 +1364,31 @@ release_lock: } /** + * ice_fdir_do_rem_flow - delete flow and possibly add perfect flow + * @pf: PF structure + * @flow_type: FDir flow type to release + */ +static void +ice_fdir_do_rem_flow(struct ice_pf *pf, enum ice_fltr_ptype flow_type) +{ + struct ice_hw *hw = &pf->hw; + bool need_perfect = false; + + if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP || + flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP || + flow_type == ICE_FLTR_PTYPE_NONF_IPV6_TCP || + flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP) + need_perfect = true; + + if (need_perfect && test_bit(flow_type, hw->fdir_perfect_fltr)) + return; + + ice_fdir_rem_flow(hw, ICE_BLK_FD, flow_type); + if (need_perfect) + ice_create_init_fdir_rule(pf, flow_type); +} + +/** * ice_fdir_update_list_entry - add or delete a filter from the filter list * @pf: PF structure * @input: filter structure @@ -1393,7 +1418,7 @@ ice_fdir_update_list_entry(struct ice_pf *pf, struct ice_fdir_fltr *input, /* we just deleted the last filter of flow_type so we * should also delete the HW filter info. */ - ice_fdir_rem_flow(hw, ICE_BLK_FD, old_fltr->flow_type); + ice_fdir_do_rem_flow(pf, old_fltr->flow_type); list_del(&old_fltr->fltr_node); devm_kfree(ice_hw_to_dev(hw), old_fltr); } |