i40e: Use ethtool private flags to display NPAR status
Allow an application to query the i40e driver's private flags to get the
status of NPAR enablement. This will be used by applications to determine
if there are NPAR specific features available.
Change-ID: Ia6d9477a48f9c4cb41ca022bd433f77da3f2146c
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 5ef77dd..309bd1c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -217,6 +217,13 @@
#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
+static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
+ "NPAR",
+};
+
+#define I40E_PRIV_FLAGS_STR_LEN \
+ (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
+
/**
* i40e_partition_setting_complaint - generic complaint for MFP restriction
* @pf: the PF struct
@@ -1036,6 +1043,7 @@
sizeof(drvinfo->fw_version));
strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
sizeof(drvinfo->bus_info));
+ drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
}
static void i40e_get_ringparam(struct net_device *netdev,
@@ -1223,6 +1231,8 @@
} else {
return I40E_VSI_STATS_LEN(netdev);
}
+ case ETH_SS_PRIV_FLAGS:
+ return I40E_PRIV_FLAGS_STR_LEN;
default:
return -EOPNOTSUPP;
}
@@ -1396,6 +1406,13 @@
}
/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
break;
+ case ETH_SS_PRIV_FLAGS:
+ for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
+ memcpy(data, i40e_priv_flags_strings[i],
+ ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
}
}
@@ -2341,6 +2358,29 @@
return -EINVAL;
}
+/**
+ * i40e_get_priv_flags - report device private flags
+ * @dev: network interface device structure
+ *
+ * The get string set count and the string set should be matched for each
+ * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
+ * array.
+ *
+ * Returns a u32 bitmap of flags.
+ **/
+u32 i40e_get_priv_flags(struct net_device *dev)
+{
+ struct i40e_netdev_priv *np = netdev_priv(dev);
+ struct i40e_vsi *vsi = np->vsi;
+ struct i40e_pf *pf = vsi->back;
+ u32 ret_flags = 0;
+
+ ret_flags |= pf->hw.func_caps.npar_enable ?
+ I40E_PRIV_FLAGS_NPAR_FLAG : 0;
+
+ return ret_flags;
+}
+
static const struct ethtool_ops i40e_ethtool_ops = {
.get_settings = i40e_get_settings,
.set_settings = i40e_set_settings,
@@ -2372,6 +2412,7 @@
.get_channels = i40e_get_channels,
.set_channels = i40e_set_channels,
.get_ts_info = i40e_get_ts_info,
+ .get_priv_flags = i40e_get_priv_flags,
};
void i40e_set_ethtool_ops(struct net_device *netdev)