1 files changed, 39 insertions, 21 deletions

diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
index 461f5237a2f8..3bb56714beb0 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
@@ -331,9 +331,16 @@ static int iavf_get_link_ksettings(struct net_device *netdev,
  **/
 static int iavf_get_sset_count(struct net_device *netdev, int sset)
 {
+	/* Report the maximum number queues, even if not every queue is
+	 * currently configured. Since allocation of queues is in pairs,
+	 * use netdev->real_num_tx_queues * 2. The real_num_tx_queues is set
+	 * at device creation and never changes.
+	 */
+
 	if (sset == ETH_SS_STATS)
 		return IAVF_STATS_LEN +
-			(IAVF_QUEUE_STATS_LEN * 2 * IAVF_MAX_REQ_QUEUES);
+			(IAVF_QUEUE_STATS_LEN * 2 *
+			 netdev->real_num_tx_queues);
 	else if (sset == ETH_SS_PRIV_FLAGS)
 		return IAVF_PRIV_FLAGS_STR_LEN;
 	else
@@ -360,17 +367,18 @@ static void iavf_get_ethtool_stats(struct net_device *netdev,
 	iavf_add_ethtool_stats(&data, adapter, iavf_gstrings_stats);
 
 	rcu_read_lock();
-	for (i = 0; i < IAVF_MAX_REQ_QUEUES; i++) {
+	/* As num_active_queues describe both tx and rx queues, we can use
+	 * it to iterate over rings' stats.
+	 */
+	for (i = 0; i < adapter->num_active_queues; i++) {
 		struct iavf_ring *ring;
 
-		/* Avoid accessing un-allocated queues */
-		ring = (i < adapter->num_active_queues ?
-			&adapter->tx_rings[i] : NULL);
+		/* Tx rings stats */
+		ring = &adapter->tx_rings[i];
 		iavf_add_queue_stats(&data, ring);
 
-		/* Avoid accessing un-allocated queues */
-		ring = (i < adapter->num_active_queues ?
-			&adapter->rx_rings[i] : NULL);
+		/* Rx rings stats */
+		ring = &adapter->rx_rings[i];
 		iavf_add_queue_stats(&data, ring);
 	}
 	rcu_read_unlock();
@@ -407,10 +415,10 @@ static void iavf_get_stat_strings(struct net_device *netdev, u8 *data)
 
 	iavf_add_stat_strings(&data, iavf_gstrings_stats);
 
-	/* Queues are always allocated in pairs, so we just use num_tx_queues
-	 * for both Tx and Rx queues.
+	/* Queues are always allocated in pairs, so we just use
+	 * real_num_tx_queues for both Tx and Rx queues.
 	 */
-	for (i = 0; i < netdev->num_tx_queues; i++) {
+	for (i = 0; i < netdev->real_num_tx_queues; i++) {
 		iavf_add_stat_strings(&data, iavf_gstrings_queue_stats,
 				      "tx", i);
 		iavf_add_stat_strings(&data, iavf_gstrings_queue_stats,
@@ -583,12 +591,16 @@ static void iavf_get_drvinfo(struct net_device *netdev,
  * iavf_get_ringparam - Get ring parameters
  * @netdev: network interface device structure
  * @ring: ethtool ringparam structure
+ * @kernel_ring: ethtool extenal ringparam structure
+ * @extack: netlink extended ACK report struct
  *
  * Returns current ring parameters. TX and RX rings are reported separately,
  * but the number of rings is not reported.
  **/
 static void iavf_get_ringparam(struct net_device *netdev,
-			       struct ethtool_ringparam *ring)
+			       struct ethtool_ringparam *ring,
+			       struct kernel_ethtool_ringparam *kernel_ring,
+			       struct netlink_ext_ack *extack)
 {
 	struct iavf_adapter *adapter = netdev_priv(netdev);
 
@@ -602,12 +614,16 @@ static void iavf_get_ringparam(struct net_device *netdev,
  * iavf_set_ringparam - Set ring parameters
  * @netdev: network interface device structure
  * @ring: ethtool ringparam structure
+ * @kernel_ring: ethtool external ringparam structure
+ * @extack: netlink extended ACK report struct
  *
  * Sets ring parameters. TX and RX rings are controlled separately, but the
  * number of rings is not specified, so all rings get the same settings.
  **/
 static int iavf_set_ringparam(struct net_device *netdev,
-			      struct ethtool_ringparam *ring)
+			      struct ethtool_ringparam *ring,
+			      struct kernel_ethtool_ringparam *kernel_ring,
+			      struct netlink_ext_ack *extack)
 {
 	struct iavf_adapter *adapter = netdev_priv(netdev);
 	u32 new_rx_count, new_tx_count;
@@ -1923,7 +1939,7 @@ static int iavf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
  * @key: hash key
  * @hfunc: hash function to use
  *
- * Returns -EINVAL if the table specifies an inavlid queue id, otherwise
+ * Returns -EINVAL if the table specifies an invalid queue id, otherwise
  * returns 0 after programming the table.
  **/
 static int iavf_set_rxfh(struct net_device *netdev, const u32 *indir,
@@ -1932,19 +1948,21 @@ static int iavf_set_rxfh(struct net_device *netdev, const u32 *indir,
 	struct iavf_adapter *adapter = netdev_priv(netdev);
 	u16 i;
 
-	/* We do not allow change in unsupported parameters */
-	if (key ||
-	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
+	/* Only support toeplitz hash function */
+	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
 		return -EOPNOTSUPP;
-	if (!indir)
+
+	if (!key && !indir)
 		return 0;
 
 	if (key)
 		memcpy(adapter->rss_key, key, adapter->rss_key_size);
 
-	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
-	for (i = 0; i < adapter->rss_lut_size; i++)
-		adapter->rss_lut[i] = (u8)(indir[i]);
+	if (indir) {
+		/* Each 32 bits pointed by 'indir' is stored with a lut entry */
+		for (i = 0; i < adapter->rss_lut_size; i++)
+			adapter->rss_lut[i] = (u8)(indir[i]);
+	}
 
 	return iavf_config_rss(adapter);
 }