Merge branch 'ethtool-rssh-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git...
[cascardo/linux.git] / drivers / net / ethernet / intel / i40evf / i40evf_ethtool.c
index dbc8986..9cd381a 100644 (file)
@@ -12,6 +12,9 @@
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
  * The full GNU General Public License is included in this distribution in
  * the file called "COPYING".
  *
@@ -56,10 +59,12 @@ static const struct i40evf_stats i40evf_gstrings_stats[] = {
 };
 
 #define I40EVF_GLOBAL_STATS_LEN ARRAY_SIZE(i40evf_gstrings_stats)
-#define I40EVF_QUEUE_STATS_LEN \
+#define I40EVF_QUEUE_STATS_LEN(_dev) \
        (((struct i40evf_adapter *) \
-               netdev_priv(netdev))->vsi_res->num_queue_pairs * 4)
-#define I40EVF_STATS_LEN (I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN)
+               netdev_priv(_dev))->vsi_res->num_queue_pairs \
+                 * 2 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
+#define I40EVF_STATS_LEN(_dev) \
+       (I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN(_dev))
 
 /**
  * i40evf_get_settings - Get Link Speed and Duplex settings
@@ -75,7 +80,7 @@ static int i40evf_get_settings(struct net_device *netdev,
        /* In the future the VF will be able to query the PF for
         * some information - for now use a dummy value
         */
-       ecmd->supported = SUPPORTED_10000baseT_Full;
+       ecmd->supported = 0;
        ecmd->autoneg = AUTONEG_DISABLE;
        ecmd->transceiver = XCVR_DUMMY1;
        ecmd->port = PORT_NONE;
@@ -94,9 +99,9 @@ static int i40evf_get_settings(struct net_device *netdev,
 static int i40evf_get_sset_count(struct net_device *netdev, int sset)
 {
        if (sset == ETH_SS_STATS)
-               return I40EVF_STATS_LEN;
+               return I40EVF_STATS_LEN(netdev);
        else
-               return -ENOTSUPP;
+               return -EINVAL;
 }
 
 /**
@@ -290,14 +295,13 @@ static int i40evf_get_coalesce(struct net_device *netdev,
        ec->rx_max_coalesced_frames = vsi->work_limit;
 
        if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
-               ec->rx_coalesce_usecs = 1;
-       else
-               ec->rx_coalesce_usecs = vsi->rx_itr_setting;
+               ec->use_adaptive_rx_coalesce = 1;
 
        if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
-               ec->tx_coalesce_usecs = 1;
-       else
-               ec->tx_coalesce_usecs = vsi->tx_itr_setting;
+               ec->use_adaptive_tx_coalesce = 1;
+
+       ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
+       ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
 
        return 0;
 }
@@ -318,40 +322,34 @@ static int i40evf_set_coalesce(struct net_device *netdev,
        struct i40e_q_vector *q_vector;
        int i;
 
-       if (ec->tx_max_coalesced_frames || ec->rx_max_coalesced_frames)
-               vsi->work_limit = ec->tx_max_coalesced_frames;
+       if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
+               vsi->work_limit = ec->tx_max_coalesced_frames_irq;
 
-       switch (ec->rx_coalesce_usecs) {
-       case 0:
-               vsi->rx_itr_setting = 0;
-               break;
-       case 1:
-               vsi->rx_itr_setting = (I40E_ITR_DYNAMIC
-                                      | ITR_REG_TO_USEC(I40E_ITR_RX_DEF));
-               break;
-       default:
-               if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
-                   (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1)))
-                       return -EINVAL;
+       if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+           (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1)))
                vsi->rx_itr_setting = ec->rx_coalesce_usecs;
-               break;
-       }
 
-       switch (ec->tx_coalesce_usecs) {
-       case 0:
-               vsi->tx_itr_setting = 0;
-               break;
-       case 1:
-               vsi->tx_itr_setting = (I40E_ITR_DYNAMIC
-                                      | ITR_REG_TO_USEC(I40E_ITR_TX_DEF));
-               break;
-       default:
-               if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
-                   (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1)))
-                       return -EINVAL;
+       else
+               return -EINVAL;
+
+       if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
+           (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1)))
                vsi->tx_itr_setting = ec->tx_coalesce_usecs;
-               break;
-       }
+       else if (ec->use_adaptive_tx_coalesce)
+               vsi->tx_itr_setting = (I40E_ITR_DYNAMIC |
+                                      ITR_REG_TO_USEC(I40E_ITR_RX_DEF));
+       else
+               return -EINVAL;
+
+       if (ec->use_adaptive_rx_coalesce)
+               vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
+       else
+               vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
+
+       if (ec->use_adaptive_tx_coalesce)
+               vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
+       else
+               vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
 
        for (i = 0; i < adapter->num_msix_vectors - NONQ_VECS; i++) {
                q_vector = adapter->q_vector[i];
@@ -678,7 +676,7 @@ static int i40evf_set_rxfh(struct net_device *netdev, const u32 *indir,
        return 0;
 }
 
-static struct ethtool_ops i40evf_ethtool_ops = {
+static const struct ethtool_ops i40evf_ethtool_ops = {
        .get_settings           = i40evf_get_settings,
        .get_drvinfo            = i40evf_get_drvinfo,
        .get_link               = ethtool_op_get_link,