diff options
| author | Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> | 2019-02-28 15:24:27 -0800 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-04-18 08:38:47 -0700 |
| commit | a629cf0a018b8d80b65bfd2b7f0d209a52834315 (patch) | |
| tree | 384e6b27df69d658e89dd72bfac4d27e873dad00 /drivers/net/ethernet/intel/ice/ice_dcb_lib.c | |
| parent | 00cc3f1b3a3011b5fee9711244ffcec418b519f0 (diff) | |
ice: Update rings based on TC information
This patch adds a new function ice_vsi_cfg_dcb_rings which updates a
VSI's rings based on DCB traffic class information.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@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_dcb_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index 6bbca2c99dbd..aabba91189bd 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -58,6 +58,44 @@ u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg) } /** + * ice_vsi_cfg_dcb_rings - Update rings to reflect DCB TC + * @vsi: VSI owner of rings being updated + */ +void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi) +{ + struct ice_ring *tx_ring, *rx_ring; + u16 qoffset, qcount; + int i, n; + + if (!test_bit(ICE_FLAG_DCB_ENA, vsi->back->flags)) { + /* Reset the TC information */ + for (i = 0; i < vsi->num_txq; i++) { + tx_ring = vsi->tx_rings[i]; + tx_ring->dcb_tc = 0; + } + for (i = 0; i < vsi->num_rxq; i++) { + rx_ring = vsi->rx_rings[i]; + rx_ring->dcb_tc = 0; + } + return; + } + + ice_for_each_traffic_class(n) { + if (!(vsi->tc_cfg.ena_tc & BIT(n))) + break; + + qoffset = vsi->tc_cfg.tc_info[n].qoffset; + qcount = vsi->tc_cfg.tc_info[n].qcount_tx; + for (i = qoffset; i < (qoffset + qcount); i++) { + tx_ring = vsi->tx_rings[i]; + rx_ring = vsi->rx_rings[i]; + tx_ring->dcb_tc = n; + rx_ring->dcb_tc = n; + } + } +} + +/** * ice_pf_dcb_recfg - Reconfigure all VEBs and VSIs * @pf: pointer to the PF struct * |