diff options
| author | Brett Creeley <brett.creeley@intel.com> | 2020-05-15 17:54:59 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-05-31 03:47:35 -0700 |
| commit | 401ce33b32812a8fde6789588416d8c5b232138f (patch) | |
| tree | 74232f622ae6ab093919543f05360696eb1b5381 /drivers/net/ethernet/intel/ice/ice_lib.c | |
| parent | cf0bf41dd6cb1d5461c71d2159c7c062fff3c8fd (diff) | |
ice: Always clear QRXFLXP_CNTXT before writing new value
Always clear the previous value in QRXFLXP_CNTXT before writing a new
value. This will make it so re-used queues will not accidentally take the
previously configured settings.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 89e8e4f7f56f..ecc04a696e50 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -1596,6 +1596,32 @@ void ice_vsi_cfg_frame_size(struct ice_vsi *vsi) } /** + * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register + * @hw: HW pointer + * @pf_q: index of the Rx queue in the PF's queue space + * @rxdid: flexible descriptor RXDID + * @prio: priority for the RXDID for this queue + */ +void +ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio) +{ + int regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); + + /* clear any previous values */ + regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M | + QRXFLXP_CNTXT_RXDID_PRIO_M | + QRXFLXP_CNTXT_TS_M); + + regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & + QRXFLXP_CNTXT_RXDID_IDX_M; + + regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) & + QRXFLXP_CNTXT_RXDID_PRIO_M; + + wr32(hw, QRXFLXP_CNTXT(pf_q), regval); +} + +/** * ice_vsi_cfg_rxqs - Configure the VSI for Rx * @vsi: the VSI being configured * |