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authorAvinash Dayanand <avinash.dayanand@intel.com>2020-02-13 22:31:20 +0100
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2020-02-19 22:06:58 +0100
commit27d9be98eda1d01073db142f11f4880ff513dae2 (patch)
treea69d8518a8fbabbff75fea4ac7d01cb86b6144f6 /drivers/net/ethernet/intel/ice
parentice: Add DCBNL ops required to configure ETS in CEE for SW DCB (diff)
downloadlinux-27d9be98eda1d01073db142f11f4880ff513dae2.tar.xz
linux-27d9be98eda1d01073db142f11f4880ff513dae2.zip
ice: Report correct DCB mode
Add code to detect if DCB is in IEEE or CEE mode. Without this the code will always report as IEEE mode which is incorrect and confuses the user. Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com> Signed-off-by: Scott Register <scottx.register@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')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_dcb_lib.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index 1c118e7bab88..16656b6c3d09 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -63,6 +63,26 @@ u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg)
}
/**
+ * ice_dcb_get_mode - gets the DCB mode
+ * @port_info: pointer to port info structure
+ * @host: if set it's HOST if not it's MANAGED
+ */
+static u8 ice_dcb_get_mode(struct ice_port_info *port_info, bool host)
+{
+ u8 mode;
+
+ if (host)
+ mode = DCB_CAP_DCBX_HOST;
+ else
+ mode = DCB_CAP_DCBX_LLD_MANAGED;
+
+ if (port_info->local_dcbx_cfg.dcbx_mode & ICE_DCBX_MODE_CEE)
+ return (mode | DCB_CAP_DCBX_VER_CEE);
+ else
+ return (mode | DCB_CAP_DCBX_VER_IEEE);
+}
+
+/**
* ice_dcb_get_num_tc - Get the number of TCs from DCBX config
* @dcbcfg: config to retrieve number of TCs from
*/
@@ -645,14 +665,14 @@ int ice_init_pf_dcb(struct ice_pf *pf, bool locked)
ice_cfg_sw_lldp(pf_vsi, false, true);
- pf->dcbx_cap = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE;
+ pf->dcbx_cap = ice_dcb_get_mode(port_info, true);
return 0;
}
set_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
- /* DCBX in FW and LLDP enabled in FW */
- pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_IEEE;
+ /* DCBX/LLDP enabled in FW, set DCBNL mode advertisement */
+ pf->dcbx_cap = ice_dcb_get_mode(port_info, false);
err = ice_dcb_init_cfg(pf, locked);
if (err)
@@ -812,6 +832,7 @@ ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf,
/* No change detected in DCBX configs */
if (!memcmp(&tmp_dcbx_cfg, &pi->local_dcbx_cfg, sizeof(tmp_dcbx_cfg))) {
dev_dbg(dev, "No change detected in DCBX configuration.\n");
+ pf->dcbx_cap = ice_dcb_get_mode(pi, false);
goto out;
}