1 files changed, 7 insertions, 34 deletions

diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c
index 361687de308d..e8fdbb62d872 100644
--- a/drivers/net/ethernet/sfc/efx_common.c
+++ b/drivers/net/ethernet/sfc/efx_common.c
@@ -35,11 +35,6 @@ MODULE_PARM_DESC(debug, "Bitmapped debugging message enable value");
 
 /* This is the time (in jiffies) between invocations of the hardware
  * monitor.
- * On Falcon-based NICs, this will:
- * - Check the on-board hardware monitor;
- * - Poll the link state and reconfigure the hardware as necessary.
- * On Siena-based NICs for power systems with EEH support, this will give EEH a
- * chance to start.
  */
 static unsigned int efx_monitor_interval = 1 * HZ;
 
@@ -307,7 +302,7 @@ int efx_change_mtu(struct net_device *net_dev, int new_mtu)
 	efx_stop_all(efx);
 
 	mutex_lock(&efx->mac_lock);
-	net_dev->mtu = new_mtu;
+	WRITE_ONCE(net_dev->mtu, new_mtu);
 	efx_mac_reconfigure(efx, true);
 	mutex_unlock(&efx->mac_lock);
 
@@ -600,7 +595,7 @@ void efx_stop_all(struct efx_nic *efx)
 	efx_stop_datapath(efx);
 }
 
-/* Context: process, dev_base_lock or RTNL held, non-blocking. */
+/* Context: process, rcu_read_lock or RTNL held, non-blocking. */
 void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats)
 {
 	struct efx_nic *efx = efx_netdev_priv(net_dev);
@@ -640,22 +635,6 @@ int __efx_reconfigure_port(struct efx_nic *efx)
 	return rc;
 }
 
-/* Reinitialise the MAC to pick up new PHY settings, even if the port is
- * disabled.
- */
-int efx_reconfigure_port(struct efx_nic *efx)
-{
-	int rc;
-
-	EFX_ASSERT_RESET_SERIALISED(efx);
-
-	mutex_lock(&efx->mac_lock);
-	rc = __efx_reconfigure_port(efx);
-	mutex_unlock(&efx->mac_lock);
-
-	return rc;
-}
-
 /**************************************************************************
  *
  * Device reset and suspend
@@ -719,7 +698,7 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method)
 
 	mutex_lock(&efx->mac_lock);
 	down_write(&efx->filter_sem);
-	mutex_lock(&efx->rss_lock);
+	mutex_lock(&efx->net_dev->ethtool->rss_lock);
 	efx->type->fini(efx);
 }
 
@@ -782,11 +761,9 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 
 	if (efx->type->rx_restore_rss_contexts)
 		efx->type->rx_restore_rss_contexts(efx);
-	mutex_unlock(&efx->rss_lock);
+	mutex_unlock(&efx->net_dev->ethtool->rss_lock);
 	efx->type->filter_table_restore(efx);
 	up_write(&efx->filter_sem);
-	if (efx->type->sriov_reset)
-		efx->type->sriov_reset(efx);
 
 	mutex_unlock(&efx->mac_lock);
 
@@ -800,7 +777,7 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 fail:
 	efx->port_initialized = false;
 
-	mutex_unlock(&efx->rss_lock);
+	mutex_unlock(&efx->net_dev->ethtool->rss_lock);
 	up_write(&efx->filter_sem);
 	mutex_unlock(&efx->mac_lock);
 
@@ -1007,9 +984,7 @@ int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev)
 		efx->type->rx_hash_offset - efx->type->rx_prefix_size;
 	efx->rx_packet_ts_offset =
 		efx->type->rx_ts_offset - efx->type->rx_prefix_size;
-	INIT_LIST_HEAD(&efx->rss_context.list);
-	efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
-	mutex_init(&efx->rss_lock);
+	efx->rss_context.priv.context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
 	efx->vport_id = EVB_PORT_ID_ASSIGNED;
 	spin_lock_init(&efx->stats_lock);
 	efx->vi_stride = EFX_DEFAULT_VI_STRIDE;
@@ -1028,6 +1003,7 @@ int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev)
 	INIT_LIST_HEAD(&efx->vf_reps);
 	INIT_WORK(&efx->mac_work, efx_mac_work);
 	init_waitqueue_head(&efx->flush_wq);
+	mutex_init(&efx->reflash_mutex);
 
 	efx->tx_queues_per_channel = 1;
 	efx->rxq_entries = EFX_DEFAULT_DMAQ_SIZE;
@@ -1282,9 +1258,6 @@ out:
 
 /* For simplicity and reliability, we always require a slot reset and try to
  * reset the hardware when a pci error affecting the device is detected.
- * We leave both the link_reset and mmio_enabled callback unimplemented:
- * with our request for slot reset the mmio_enabled callback will never be
- * called, and the link_reset callback is not used by AER or EEH mechanisms.
  */
 const struct pci_error_handlers efx_err_handlers = {
 	.error_detected = efx_io_error_detected,