From 4b0fdceb81ba60a8caea1993f0951a91de7a6f52 Mon Sep 17 00:00:00 2001 From: Anirudh Venkataramanan Date: Thu, 28 Feb 2019 15:24:29 -0800 Subject: ice: Add code to get DCB related statistics This patch adds a new function ice_update_dcb_stats to get DCB stats from the hardware and ethtool support for displaying these stats. Signed-off-by: Anirudh Venkataramanan Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 38 ++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'drivers/net/ethernet/intel/ice/ice_dcb_lib.c') diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index de1e33db761a..51f90696de56 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -359,6 +359,44 @@ dcb_init_err: return err; } +/** + * ice_update_dcb_stats - Update DCB stats counters + * @pf: PF whose stats needs to be updated + */ +void ice_update_dcb_stats(struct ice_pf *pf) +{ + struct ice_hw_port_stats *prev_ps, *cur_ps; + struct ice_hw *hw = &pf->hw; + u8 pf_id = hw->pf_id; + int i; + + prev_ps = &pf->stats_prev; + cur_ps = &pf->stats; + + for (i = 0; i < 8; i++) { + ice_stat_update32(hw, GLPRT_PXOFFRXC(pf_id, i), + pf->stat_prev_loaded, + &prev_ps->priority_xoff_rx[i], + &cur_ps->priority_xoff_rx[i]); + ice_stat_update32(hw, GLPRT_PXONRXC(pf_id, i), + pf->stat_prev_loaded, + &prev_ps->priority_xon_rx[i], + &cur_ps->priority_xon_rx[i]); + ice_stat_update32(hw, GLPRT_PXONTXC(pf_id, i), + pf->stat_prev_loaded, + &prev_ps->priority_xon_tx[i], + &cur_ps->priority_xon_tx[i]); + ice_stat_update32(hw, GLPRT_PXOFFTXC(pf_id, i), + pf->stat_prev_loaded, + &prev_ps->priority_xoff_tx[i], + &cur_ps->priority_xoff_tx[i]); + ice_stat_update32(hw, GLPRT_RXON2OFFCNT(pf_id, i), + pf->stat_prev_loaded, + &prev_ps->priority_xon_2_xoff[i], + &cur_ps->priority_xon_2_xoff[i]); + } +} + /** * ice_tx_prepare_vlan_flags_dcb - prepare VLAN tagging for DCB * @tx_ring: ring to send buffer on -- cgit v1.2.2