diff options
| author | Usha Ketineni <usha.k.ketineni@intel.com> | 2019-08-08 17:39:24 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-09-04 02:35:58 +0300 |
| commit | a257f188b72bf0f8b5a08efba174373f5708ff0c (patch) | |
| tree | 2affe01654b80dbe24c7f35e42270c1ad985ea18 /drivers/net/ethernet/intel/ice/ice_dcb_lib.c | |
| parent | 6a025730e0cdf47f8cdc323708b9cbe23fdff7f7 (diff) | |
| download | linux-a257f188b72bf0f8b5a08efba174373f5708ff0c.tar.xz | |
ice: Limit Max TCs on devices with more than 4 ports
This patch limits the max TCs set by the driver to the value provided by
the firmware as per the capabilities of the device. Otherwise, hard coding
to 8 TC max would fail the device configurations with more than 4 ports.
Signed-off-by: Usha Ketineni <usha.k.ketineni@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_dcb_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index d9578919aad8..4614ec95529b 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -413,7 +413,7 @@ static int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool locked) memset(&pi->local_dcbx_cfg, 0, sizeof(*dcbcfg)); dcbcfg->etscfg.willing = 1; - dcbcfg->etscfg.maxtcs = 8; + dcbcfg->etscfg.maxtcs = hw->func_caps.common_cap.maxtc; dcbcfg->etscfg.tcbwtable[0] = 100; dcbcfg->etscfg.tsatable[0] = ICE_IEEE_TSA_ETS; @@ -422,7 +422,7 @@ static int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool locked) dcbcfg->etsrec.willing = 0; dcbcfg->pfc.willing = 1; - dcbcfg->pfc.pfccap = IEEE_8021QAZ_MAX_TCS; + dcbcfg->pfc.pfccap = hw->func_caps.common_cap.maxtc; dcbcfg->numapps = 1; dcbcfg->app[0].selector = ICE_APP_SEL_ETHTYPE; @@ -455,6 +455,9 @@ int ice_init_pf_dcb(struct ice_pf *pf, bool locked) if (err) { /* FW LLDP is disabled, activate SW DCBX/LLDP mode */ dev_info(&pf->pdev->dev, + "DCB is enabled in the hardware, max number of TCs supported on this port are %d\n", + pf->hw.func_caps.common_cap.maxtc); + dev_info(&pf->pdev->dev, "FW LLDP is disabled, DCBx/LLDP in SW mode.\n"); port_info->is_sw_lldp = true; clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); @@ -484,6 +487,9 @@ int ice_init_pf_dcb(struct ice_pf *pf, bool locked) if (err) goto dcb_init_err; + dev_info(&pf->pdev->dev, + "DCB is enabled in the hardware, max number of TCs supported on this port are %d\n", + pf->hw.func_caps.common_cap.maxtc); dev_info(&pf->pdev->dev, "DCBX offload supported\n"); return err; |