path: root/target/linux/layerscape/patches-4.9/601-net-support-layerscape.patch

From 2ed7bff3d1f2fa6c5f6eff0b2bd98deaa3dc18b0 Mon Sep 17 00:00:00 2001
From: Yangbo Lu <yangbo.lu@nxp.com>
Date: Mon, 25 Sep 2017 10:57:14 +0800
Subject: [PATCH] net: support layerscape

This is a integrated patch for layerscape net support.

Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com>
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: stephen hemminger <stephen@networkplumber.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
 drivers/base/devres.c                              | 66 +++++++++++++++
 drivers/base/soc.c                                 | 66 +++++++++++++++
 drivers/net/bonding/bond_main.c                    | 10 +--
 drivers/net/dummy.c                                |  5 +-
 drivers/net/ethernet/amazon/ena/ena_netdev.c       | 10 +--
 drivers/net/ethernet/amd/xgbe/xgbe-drv.c           |  6 +-
 drivers/net/ethernet/apm/xgene/xgene_enet_main.c   |  4 +-
 drivers/net/ethernet/atheros/alx/main.c            |  6 +-
 drivers/net/ethernet/broadcom/b44.c                |  5 +-
 drivers/net/ethernet/broadcom/bnx2.c               |  5 +-
 drivers/net/ethernet/broadcom/bnxt/bnxt.c          |  6 +-
 drivers/net/ethernet/broadcom/tg3.c                |  8 +-
 drivers/net/ethernet/brocade/bna/bnad.c            |  6 +-
 drivers/net/ethernet/calxeda/xgmac.c               |  5 +-
 drivers/net/ethernet/cavium/thunder/nicvf_main.c   |  5 +-
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c    |  7 +-
 drivers/net/ethernet/cisco/enic/enic_main.c        |  8 +-
 drivers/net/ethernet/ec_bhf.c                      |  4 +-
 drivers/net/ethernet/emulex/benet/be_main.c        |  5 +-
 drivers/net/ethernet/hisilicon/hns/hns_enet.c      |  6 +-
 drivers/net/ethernet/ibm/ehea/ehea_main.c          |  5 +-
 drivers/net/ethernet/intel/e1000e/e1000.h          |  4 +-
 drivers/net/ethernet/intel/e1000e/netdev.c         |  5 +-
 drivers/net/ethernet/intel/fm10k/fm10k_netdev.c    |  6 +-
 drivers/net/ethernet/intel/i40e/i40e.h             |  5 +-
 drivers/net/ethernet/intel/i40e/i40e_main.c        | 18 ++--
 drivers/net/ethernet/intel/igb/igb_main.c          | 10 +--
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c      |  7 +-
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c  |  6 +-
 drivers/net/ethernet/marvell/mvneta.c              |  4 +-
 drivers/net/ethernet/marvell/mvpp2.c               |  4 +-
 drivers/net/ethernet/marvell/sky2.c                |  6 +-
 drivers/net/ethernet/mediatek/mtk_eth_soc.c        |  6 +-
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c     |  4 +-
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c  |  3 +-
 drivers/net/ethernet/mellanox/mlxsw/spectrum.c     |  4 +-
 drivers/net/ethernet/mellanox/mlxsw/switchx2.c     |  3 +-
 drivers/net/ethernet/myricom/myri10ge/myri10ge.c   |  9 +-
 drivers/net/ethernet/neterion/vxge/vxge-main.c     |  4 +-
 .../net/ethernet/netronome/nfp/nfp_net_common.c    |  6 +-
 drivers/net/ethernet/nvidia/forcedeth.c            |  4 +-
 .../net/ethernet/qlogic/netxen/netxen_nic_main.c   | 10 +--
 drivers/net/ethernet/qlogic/qede/qede_main.c       |  7 +-
 drivers/net/ethernet/qualcomm/emac/emac.c          |  6 +-
 drivers/net/ethernet/realtek/8139too.c             |  9 +-
 drivers/net/ethernet/realtek/r8169.c               |  4 +-
 drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c    |  8 +-
 drivers/net/ethernet/sfc/efx.c                     |  6 +-
 drivers/net/ethernet/sun/niu.c                     |  6 +-
 drivers/net/ethernet/synopsys/dwc_eth_qos.c        |  4 +-
 drivers/net/ethernet/tile/tilepro.c                |  4 +-
 drivers/net/ethernet/via/via-rhine.c               |  8 +-
 drivers/net/fjes/fjes_main.c                       |  7 +-
 drivers/net/hyperv/netvsc_drv.c                    |  6 +-
 drivers/net/ifb.c                                  |  6 +-
 drivers/net/ipvlan/ipvlan_main.c                   |  5 +-
 drivers/net/loopback.c                             |  5 +-
 drivers/net/macsec.c                               |  8 +-
 drivers/net/macvlan.c                              |  5 +-
 drivers/net/nlmon.c                                |  4 +-
 drivers/net/ppp/ppp_generic.c                      |  4 +-
 drivers/net/slip/slip.c                            |  3 +-
 drivers/net/team/team.c                            |  3 +-
 drivers/net/tun.c                                  |  3 +-
 drivers/net/veth.c                                 |  6 +-
 drivers/net/virtio_net.c                           |  6 +-
 drivers/net/vmxnet3/vmxnet3_ethtool.c              |  4 +-
 drivers/net/vmxnet3/vmxnet3_int.h                  |  4 +-
 drivers/net/vrf.c                                  |  5 +-
 drivers/net/xen-netfront.c                         |  6 +-
 drivers/staging/netlogic/xlr_net.c                 | 10 +--
 include/linux/device.h                             | 19 +++++
 include/linux/fsl/svr.h                            | 97 ++++++++++++++++++++++
 include/linux/fsl_devices.h                        |  3 +
 include/linux/netdev_features.h                    |  2 +
 include/linux/netdevice.h                          | 12 ++-
 include/linux/skbuff.h                             |  2 +
 include/linux/sys_soc.h                            |  3 +
 include/net/ip_tunnels.h                           |  4 +-
 include/uapi/linux/if_ether.h                      |  1 +
 net/8021q/vlan_dev.c                               |  5 +-
 net/bridge/br_device.c                             |  6 +-
 net/core/dev.c                                     | 13 ++-
 net/core/skbuff.c                                  | 29 ++++++-
 net/ipv4/ip_tunnel_core.c                          |  6 +-
 net/l2tp/l2tp_eth.c                                |  6 +-
 net/mac80211/iface.c                               |  4 +-
 net/openvswitch/vport-internal_dev.c               |  4 +-
 net/sched/sch_generic.c                            |  7 ++
 net/sched/sch_teql.c                               |  5 +-
 90 files changed, 468 insertions(+), 298 deletions(-)
 create mode 100644 include/linux/fsl/svr.h

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 8fc654f0..71d57702 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -10,6 +10,7 @@
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/percpu.h>
 
 #include "base.h"
 
@@ -985,3 +986,68 @@ void devm_free_pages(struct device *dev, unsigned long addr)
 			       &devres));
 }
 EXPORT_SYMBOL_GPL(devm_free_pages);
+
+static void devm_percpu_release(struct device *dev, void *pdata)
+{
+	void __percpu *p;
+
+	p = *(void __percpu **)pdata;
+	free_percpu(p);
+}
+
+static int devm_percpu_match(struct device *dev, void *data, void *p)
+{
+	struct devres *devr = container_of(data, struct devres, data);
+
+	return *(void **)devr->data == p;
+}
+
+/**
+ * __devm_alloc_percpu - Resource-managed alloc_percpu
+ * @dev: Device to allocate per-cpu memory for
+ * @size: Size of per-cpu memory to allocate
+ * @align: Alignment of per-cpu memory to allocate
+ *
+ * Managed alloc_percpu. Per-cpu memory allocated with this function is
+ * automatically freed on driver detach.
+ *
+ * RETURNS:
+ * Pointer to allocated memory on success, NULL on failure.
+ */
+void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
+		size_t align)
+{
+	void *p;
+	void __percpu *pcpu;
+
+	pcpu = __alloc_percpu(size, align);
+	if (!pcpu)
+		return NULL;
+
+	p = devres_alloc(devm_percpu_release, sizeof(void *), GFP_KERNEL);
+	if (!p) {
+		free_percpu(pcpu);
+		return NULL;
+	}
+
+	*(void __percpu **)p = pcpu;
+
+	devres_add(dev, p);
+
+	return pcpu;
+}
+EXPORT_SYMBOL_GPL(__devm_alloc_percpu);
+
+/**
+ * devm_free_percpu - Resource-managed free_percpu
+ * @dev: Device this memory belongs to
+ * @pdata: Per-cpu memory to free
+ *
+ * Free memory allocated with devm_alloc_percpu().
+ */
+void devm_free_percpu(struct device *dev, void __percpu *pdata)
+{
+	WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match,
+			       (void *)pdata));
+}
+EXPORT_SYMBOL_GPL(devm_free_percpu);
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index b63f23e6..0c5cf872 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -13,6 +13,7 @@
 #include <linux/spinlock.h>
 #include <linux/sys_soc.h>
 #include <linux/err.h>
+#include <linux/glob.h>
 
 static DEFINE_IDA(soc_ida);
 
@@ -159,3 +160,68 @@ static int __init soc_bus_register(void)
 	return bus_register(&soc_bus_type);
 }
 core_initcall(soc_bus_register);
+
+static int soc_device_match_one(struct device *dev, void *arg)
+{
+	struct soc_device *soc_dev = container_of(dev, struct soc_device, dev);
+	const struct soc_device_attribute *match = arg;
+
+	if (match->machine &&
+	    !glob_match(match->machine, soc_dev->attr->machine))
+		return 0;
+
+	if (match->family &&
+	    !glob_match(match->family, soc_dev->attr->family))
+		return 0;
+
+	if (match->revision &&
+	    !glob_match(match->revision, soc_dev->attr->revision))
+		return 0;
+
+	if (match->soc_id &&
+	    !glob_match(match->soc_id, soc_dev->attr->soc_id))
+		return 0;
+
+	return 1;
+}
+
+/*
+ * soc_device_match - identify the SoC in the machine
+ * @matches: zero-terminated array of possible matches
+ *
+ * returns the first matching entry of the argument array, or NULL
+ * if none of them match.
+ *
+ * This function is meant as a helper in place of of_match_node()
+ * in cases where either no device tree is available or the information
+ * in a device node is insufficient to identify a particular variant
+ * by its compatible strings or other properties. For new devices,
+ * the DT binding should always provide unique compatible strings
+ * that allow the use of of_match_node() instead.
+ *
+ * The calling function can use the .data entry of the
+ * soc_device_attribute to pass a structure or function pointer for
+ * each entry.
+ */
+const struct soc_device_attribute *soc_device_match(
+	const struct soc_device_attribute *matches)
+{
+	int ret = 0;
+
+	if (!matches)
+		return NULL;
+
+	while (!ret) {
+		if (!(matches->machine || matches->family ||
+		      matches->revision || matches->soc_id))
+			break;
+		ret = bus_for_each_dev(&soc_bus_type, NULL, (void *)matches,
+				       soc_device_match_one);
+		if (!ret)
+			matches++;
+		else
+			return matches;
+	}
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(soc_device_match);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 5fa36ebc..75ff184a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -211,8 +211,8 @@ static int lacp_fast;
 
 static int bond_init(struct net_device *bond_dev);
 static void bond_uninit(struct net_device *bond_dev);
-static struct rtnl_link_stats64 *bond_get_stats(struct net_device *bond_dev,
-						struct rtnl_link_stats64 *stats);
+static void bond_get_stats(struct net_device *bond_dev,
+			   struct rtnl_link_stats64 *stats);
 static void bond_slave_arr_handler(struct work_struct *work);
 static bool bond_time_in_interval(struct bonding *bond, unsigned long last_act,
 				  int mod);
@@ -3336,8 +3336,8 @@ static void bond_fold_stats(struct rtnl_link_stats64 *_res,
 	}
 }
 
-static struct rtnl_link_stats64 *bond_get_stats(struct net_device *bond_dev,
-						struct rtnl_link_stats64 *stats)
+static void bond_get_stats(struct net_device *bond_dev,
+			   struct rtnl_link_stats64 *stats)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
 	struct rtnl_link_stats64 temp;
@@ -3361,8 +3361,6 @@ static struct rtnl_link_stats64 *bond_get_stats(struct net_device *bond_dev,
 
 	memcpy(&bond->bond_stats, stats, sizeof(*stats));
 	spin_unlock(&bond->stats_lock);
-
-	return stats;
 }
 
 static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd)
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 69fc8409..da5b10e0 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -54,8 +54,8 @@ struct pcpu_dstats {
 	struct u64_stats_sync	syncp;
 };
 
-static struct rtnl_link_stats64 *dummy_get_stats64(struct net_device *dev,
-						   struct rtnl_link_stats64 *stats)
+static void dummy_get_stats64(struct net_device *dev,
+			      struct rtnl_link_stats64 *stats)
 {
 	int i;
 
@@ -73,7 +73,6 @@ static struct rtnl_link_stats64 *dummy_get_stats64(struct net_device *dev,
 		stats->tx_bytes += tbytes;
 		stats->tx_packets += tpackets;
 	}
-	return stats;
 }
 
 static netdev_tx_t dummy_xmit(struct sk_buff *skb, struct net_device *dev)
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index bfeaec5b..ddc281c4 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2172,19 +2172,19 @@ static void ena_config_debug_area(struct ena_adapter *adapter)
 	ena_com_delete_debug_area(adapter->ena_dev);
 }
 
-static struct rtnl_link_stats64 *ena_get_stats64(struct net_device *netdev,
-						 struct rtnl_link_stats64 *stats)
+static void ena_get_stats64(struct net_device *netdev,
+			    struct rtnl_link_stats64 *stats)
 {
 	struct ena_adapter *adapter = netdev_priv(netdev);
 	struct ena_admin_basic_stats ena_stats;
 	int rc;
 
 	if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
-		return NULL;
+		return;
 
 	rc = ena_com_get_dev_basic_stats(adapter->ena_dev, &ena_stats);
 	if (rc)
-		return NULL;
+		return;
 
 	stats->tx_bytes = ((u64)ena_stats.tx_bytes_high << 32) |
 		ena_stats.tx_bytes_low;
@@ -2211,8 +2211,6 @@ static struct rtnl_link_stats64 *ena_get_stats64(struct net_device *netdev,
 
 	stats->rx_errors = 0;
 	stats->tx_errors = 0;
-
-	return stats;
 }
 
 static const struct net_device_ops ena_netdev_ops = {
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index 1e4e8b24..5b413ee7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -1542,8 +1542,8 @@ static void xgbe_tx_timeout(struct net_device *netdev)
 	schedule_work(&pdata->restart_work);
 }
 
-static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev,
-						  struct rtnl_link_stats64 *s)
+static void xgbe_get_stats64(struct net_device *netdev,
+			     struct rtnl_link_stats64 *s)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	struct xgbe_mmc_stats *pstats = &pdata->mmc_stats;
@@ -1569,8 +1569,6 @@ static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev,
 	s->tx_dropped = netdev->stats.tx_dropped;
 
 	DBGPR("<--%s\n", __func__);
-
-	return s;
 }
 
 static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto,
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 8158d469..e62ca66b 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1199,7 +1199,7 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev)
 	return ret;
 }
 
-static struct rtnl_link_stats64 *xgene_enet_get_stats64(
+static void xgene_enet_get_stats64(
 			struct net_device *ndev,
 			struct rtnl_link_stats64 *storage)
 {
@@ -1230,8 +1230,6 @@ static struct rtnl_link_stats64 *xgene_enet_get_stats64(
 		}
 	}
 	memcpy(storage, stats, sizeof(struct rtnl_link_stats64));
-
-	return storage;
 }
 
 static int xgene_enet_set_mac_address(struct net_device *ndev, void *addr)
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index c0f84b73..3c5c8159 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1424,8 +1424,8 @@ static void alx_poll_controller(struct net_device *netdev)
 }
 #endif
 
-static struct rtnl_link_stats64 *alx_get_stats64(struct net_device *dev,
-					struct rtnl_link_stats64 *net_stats)
+static void alx_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *net_stats)
 {
 	struct alx_priv *alx = netdev_priv(dev);
 	struct alx_hw_stats *hw_stats = &alx->hw.stats;
@@ -1469,8 +1469,6 @@ static struct rtnl_link_stats64 *alx_get_stats64(struct net_device *dev,
 	net_stats->rx_packets = hw_stats->rx_ok + net_stats->rx_errors;
 
 	spin_unlock(&alx->stats_lock);
-
-	return net_stats;
 }
 
 static const struct net_device_ops alx_netdev_ops = {
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 17aa33c5..55f124d7 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -1677,8 +1677,8 @@ static int b44_close(struct net_device *dev)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *b44_get_stats64(struct net_device *dev,
-					struct rtnl_link_stats64 *nstat)
+static void b44_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *nstat)
 {
 	struct b44 *bp = netdev_priv(dev);
 	struct b44_hw_stats *hwstat = &bp->hw_stats;
@@ -1721,7 +1721,6 @@ static struct rtnl_link_stats64 *b44_get_stats64(struct net_device *dev,
 #endif
 	} while (u64_stats_fetch_retry_irq(&hwstat->syncp, start));
 
-	return nstat;
 }
 
 static int __b44_load_mcast(struct b44 *bp, struct net_device *dev)
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 1f7034d7..c23dfcb9 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -6828,13 +6828,13 @@ bnx2_save_stats(struct bnx2 *bp)
 	(unsigned long) (bp->stats_blk->ctr +			\
 			 bp->temp_stats_blk->ctr)
 
-static struct rtnl_link_stats64 *
+static void
 bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
 {
 	struct bnx2 *bp = netdev_priv(dev);
 
 	if (bp->stats_blk == NULL)
-		return net_stats;
+		return;
 
 	net_stats->rx_packets =
 		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
@@ -6898,7 +6898,6 @@ bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
 		GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
 		GET_32BIT_NET_STATS(stat_FwRxDrop);
 
-	return net_stats;
 }
 
 /* All ethtool functions called with rtnl_lock */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 20e569bd..d6c10783 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5664,7 +5664,7 @@ static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return -EOPNOTSUPP;
 }
 
-static struct rtnl_link_stats64 *
+static void
 bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	u32 i;
@@ -5673,7 +5673,7 @@ bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	memset(stats, 0, sizeof(struct rtnl_link_stats64));
 
 	if (!bp->bnapi)
-		return stats;
+		return;
 
 	/* TODO check if we need to synchronize with bnxt_close path */
 	for (i = 0; i < bp->cp_nr_rings; i++) {
@@ -5720,8 +5720,6 @@ bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->tx_fifo_errors = le64_to_cpu(tx->tx_fifo_underruns);
 		stats->tx_errors = le64_to_cpu(tx->tx_err);
 	}
-
-	return stats;
 }
 
 static bool bnxt_mc_list_updated(struct bnxt *bp, u32 *rx_mask)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index edae2dcc..4d45077e 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14145,8 +14145,8 @@ static const struct ethtool_ops tg3_ethtool_ops = {
 	.set_link_ksettings	= tg3_set_link_ksettings,
 };
 
-static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
-						struct rtnl_link_stats64 *stats)
+static void tg3_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *stats)
 {
 	struct tg3 *tp = netdev_priv(dev);
 
@@ -14154,13 +14154,11 @@ static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev,
 	if (!tp->hw_stats) {
 		*stats = tp->net_stats_prev;
 		spin_unlock_bh(&tp->lock);
-		return stats;
+		return;
 	}
 
 	tg3_get_nstats(tp, stats);
 	spin_unlock_bh(&tp->lock);
-
-	return stats;
 }
 
 static void tg3_set_rx_mode(struct net_device *dev)
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index f42f672b..aa141609 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -3111,7 +3111,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
  * Used spin_lock to synchronize reading of stats structures, which
  * is written by BNA under the same lock.
  */
-static struct rtnl_link_stats64 *
+static void
 bnad_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 {
 	struct bnad *bnad = netdev_priv(netdev);
@@ -3123,8 +3123,6 @@ bnad_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 	bnad_netdev_hwstats_fill(bnad, stats);
 
 	spin_unlock_irqrestore(&bnad->bna_lock, flags);
-
-	return stats;
 }
 
 static void
@@ -3430,7 +3428,7 @@ static const struct net_device_ops bnad_netdev_ops = {
 	.ndo_open		= bnad_open,
 	.ndo_stop		= bnad_stop,
 	.ndo_start_xmit		= bnad_start_xmit,
-	.ndo_get_stats64		= bnad_get_stats64,
+	.ndo_get_stats64	= bnad_get_stats64,
 	.ndo_set_rx_mode	= bnad_set_rx_mode,
 	.ndo_validate_addr      = eth_validate_addr,
 	.ndo_set_mac_address    = bnad_set_mac_address,
diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
index 63efa0dc..ccb8fbd6 100644
--- a/drivers/net/ethernet/calxeda/xgmac.c
+++ b/drivers/net/ethernet/calxeda/xgmac.c
@@ -1460,9 +1460,9 @@ static void xgmac_poll_controller(struct net_device *dev)
 }
 #endif
 
-static struct rtnl_link_stats64 *
+static void
 xgmac_get_stats64(struct net_device *dev,
-		       struct rtnl_link_stats64 *storage)
+		  struct rtnl_link_stats64 *storage)
 {
 	struct xgmac_priv *priv = netdev_priv(dev);
 	void __iomem *base = priv->base;
@@ -1490,7 +1490,6 @@ xgmac_get_stats64(struct net_device *dev,
 
 	writel(0, base + XGMAC_MMC_CTRL);
 	spin_unlock_bh(&priv->stats_lock);
-	return storage;
 }
 
 static int xgmac_set_mac_address(struct net_device *dev, void *p)
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 8a37012c..87709a9d 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -1423,8 +1423,8 @@ void nicvf_update_stats(struct nicvf *nic)
 		nicvf_update_sq_stats(nic, qidx);
 }
 
-static struct rtnl_link_stats64 *nicvf_get_stats64(struct net_device *netdev,
-					    struct rtnl_link_stats64 *stats)
+static void nicvf_get_stats64(struct net_device *netdev,
+			      struct rtnl_link_stats64 *stats)
 {
 	struct nicvf *nic = netdev_priv(netdev);
 	struct nicvf_hw_stats *hw_stats = &nic->hw_stats;
@@ -1440,7 +1440,6 @@ static struct rtnl_link_stats64 *nicvf_get_stats64(struct net_device *netdev,
 	stats->tx_packets = hw_stats->tx_frames;
 	stats->tx_dropped = hw_stats->tx_drops;
 
-	return stats;
 }
 
 static void nicvf_tx_timeout(struct net_device *dev)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 0c2a32a3..c4244913 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2383,8 +2383,8 @@ int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
 }
 EXPORT_SYMBOL(cxgb4_remove_server_filter);
 
-static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev,
-						struct rtnl_link_stats64 *ns)
+static void cxgb_get_stats(struct net_device *dev,
+			   struct rtnl_link_stats64 *ns)
 {
 	struct port_stats stats;
 	struct port_info *p = netdev_priv(dev);
@@ -2397,7 +2397,7 @@ static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev,
 	spin_lock(&adapter->stats_lock);
 	if (!netif_device_present(dev)) {
 		spin_unlock(&adapter->stats_lock);
-		return ns;
+		return;
 	}
 	t4_get_port_stats_offset(adapter, p->tx_chan, &stats,
 				 &p->stats_base);
@@ -2431,7 +2431,6 @@ static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev,
 	ns->tx_errors = stats.tx_error_frames;
 	ns->rx_errors = stats.rx_symbol_err + stats.rx_fcs_err +
 		ns->rx_length_errors + stats.rx_len_err + ns->rx_fifo_errors;
-	return ns;
 }
 
 static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 48f82ab6..662cc676 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -680,8 +680,8 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb,
 }
 
 /* dev_base_lock rwlock held, nominally process context */
-static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev,
-						struct rtnl_link_stats64 *net_stats)
+static void enic_get_stats(struct net_device *netdev,
+			   struct rtnl_link_stats64 *net_stats)
 {
 	struct enic *enic = netdev_priv(netdev);
 	struct vnic_stats *stats;
@@ -693,7 +693,7 @@ static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev,
 	 * recorded stats.
 	 */
 	if (err == -ENOMEM)
-		return net_stats;
+		return;
 
 	net_stats->tx_packets = stats->tx.tx_frames_ok;
 	net_stats->tx_bytes = stats->tx.tx_bytes_ok;
@@ -707,8 +707,6 @@ static struct rtnl_link_stats64 *enic_get_stats(struct net_device *netdev,
 	net_stats->rx_over_errors = enic->rq_truncated_pkts;
 	net_stats->rx_crc_errors = enic->rq_bad_fcs;
 	net_stats->rx_dropped = stats->rx.rx_no_bufs + stats->rx.rx_drop;
-
-	return net_stats;
 }
 
 static int enic_mc_sync(struct net_device *netdev, const u8 *mc_addr)
diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
index f7b42483..2e7554c7 100644
--- a/drivers/net/ethernet/ec_bhf.c
+++ b/drivers/net/ethernet/ec_bhf.c
@@ -458,7 +458,7 @@ static int ec_bhf_stop(struct net_device *net_dev)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *
+static void
 ec_bhf_get_stats(struct net_device *net_dev,
 		 struct rtnl_link_stats64 *stats)
 {
@@ -473,8 +473,6 @@ ec_bhf_get_stats(struct net_device *net_dev,
 
 	stats->tx_bytes = priv->stat_tx_bytes;
 	stats->rx_bytes = priv->stat_rx_bytes;
-
-	return stats;
 }
 
 static const struct net_device_ops ec_bhf_netdev_ops = {
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 5626908f..59852304 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -646,8 +646,8 @@ void be_parse_stats(struct be_adapter *adapter)
 	}
 }
 
-static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev,
-						struct rtnl_link_stats64 *stats)
+static void be_get_stats64(struct net_device *netdev,
+			   struct rtnl_link_stats64 *stats)
 {
 	struct be_adapter *adapter = netdev_priv(netdev);
 	struct be_drv_stats *drvs = &adapter->drv_stats;
@@ -711,7 +711,6 @@ static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev,
 	stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop +
 				drvs->rx_input_fifo_overflow_drop +
 				drvs->rx_drops_no_pbuf;
-	return stats;
 }
 
 void be_link_status_update(struct be_adapter *adapter, u8 link_status)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index c06845b7..249bc6ad 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -1536,8 +1536,8 @@ void hns_nic_set_rx_mode(struct net_device *ndev)
 	hns_set_multicast_list(ndev);
 }
 
-struct rtnl_link_stats64 *hns_nic_get_stats64(struct net_device *ndev,
-					      struct rtnl_link_stats64 *stats)
+static void hns_nic_get_stats64(struct net_device *ndev,
+				struct rtnl_link_stats64 *stats)
 {
 	int idx = 0;
 	u64 tx_bytes = 0;
@@ -1579,8 +1579,6 @@ struct rtnl_link_stats64 *hns_nic_get_stats64(struct net_device *ndev,
 	stats->tx_window_errors = ndev->stats.tx_window_errors;
 	stats->rx_compressed = ndev->stats.rx_compressed;
 	stats->tx_compressed = ndev->stats.tx_compressed;
-
-	return stats;
 }
 
 static u16
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c
index bd719e25..a2ff2783 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_main.c
+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c
@@ -328,8 +328,8 @@ static void ehea_update_bcmc_registrations(void)
 	spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags);
 }
 
-static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev,
-					struct rtnl_link_stats64 *stats)
+static void ehea_get_stats64(struct net_device *dev,
+			     struct rtnl_link_stats64 *stats)
 {
 	struct ehea_port *port = netdev_priv(dev);
 	u64 rx_packets = 0, tx_packets = 0, rx_bytes = 0, tx_bytes = 0;
@@ -352,7 +352,6 @@ static struct rtnl_link_stats64 *ehea_get_stats64(struct net_device *dev,
 
 	stats->multicast = port->stats.multicast;
 	stats->rx_errors = port->stats.rx_errors;
-	return stats;
 }
 
 static void ehea_update_stats(struct work_struct *work)
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 879cca47..a29b12e8 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -493,8 +493,8 @@ int e1000e_setup_rx_resources(struct e1000_ring *ring);
 int e1000e_setup_tx_resources(struct e1000_ring *ring);
 void e1000e_free_rx_resources(struct e1000_ring *ring);
 void e1000e_free_tx_resources(struct e1000_ring *ring);
-struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
-					     struct rtnl_link_stats64 *stats);
+void e1000e_get_stats64(struct net_device *netdev,
+			struct rtnl_link_stats64 *stats);
 void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
 void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
 void e1000e_get_hw_control(struct e1000_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 7017281b..49f3d868 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -5920,8 +5920,8 @@ static void e1000_reset_task(struct work_struct *work)
  *
  * Returns the address of the device statistics structure.
  **/
-struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
-					     struct rtnl_link_stats64 *stats)
+void e1000e_get_stats64(struct net_device *netdev,
+			struct rtnl_link_stats64 *stats)
 {
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 
@@ -5958,7 +5958,6 @@ struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
 	/* Tx Dropped needs to be maintained elsewhere */
 
 	spin_unlock(&adapter->stats64_lock);
-	return stats;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
index 05629381..e97b6c49 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c
@@ -1128,8 +1128,8 @@ void fm10k_reset_rx_state(struct fm10k_intfc *interface)
  * Returns 64bit statistics, for use in the ndo_get_stats64 callback. This
  * function replaces fm10k_get_stats for kernels which support it.
  */
-static struct rtnl_link_stats64 *fm10k_get_stats64(struct net_device *netdev,
-						   struct rtnl_link_stats64 *stats)
+static void fm10k_get_stats64(struct net_device *netdev,
+			      struct rtnl_link_stats64 *stats)
 {
 	struct fm10k_intfc *interface = netdev_priv(netdev);
 	struct fm10k_ring *ring;
@@ -1174,8 +1174,6 @@ static struct rtnl_link_stats64 *fm10k_get_stats64(struct net_device *netdev,
 
 	/* following stats updated by fm10k_service_task() */
 	stats->rx_missed_errors	= netdev->stats.rx_missed_errors;
-
-	return stats;
 }
 
 int fm10k_setup_tc(struct net_device *dev, u8 tc)
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 6d61e443..3cc0bf29 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -797,9 +797,8 @@ static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba);
 #ifdef I40E_FCOE
-struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
-					     struct net_device *netdev,
-					     struct rtnl_link_stats64 *storage);
+void i40e_get_netdev_stats_struct(struct net_device *netdev,
+				  struct rtnl_link_stats64 *storage);
 int i40e_set_mac(struct net_device *netdev, void *p);
 void i40e_set_rx_mode(struct net_device *netdev);
 #endif
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 31c97e39..2f1554b3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -408,15 +408,11 @@ struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi)
  * Returns the address of the device statistics structure.
  * The statistics are actually updated from the service task.
  **/
-#ifdef I40E_FCOE
-struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
-					     struct net_device *netdev,
-					     struct rtnl_link_stats64 *stats)
-#else
-static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
-					     struct net_device *netdev,
-					     struct rtnl_link_stats64 *stats)
+#ifndef I40E_FCOE
+static
 #endif
+void i40e_get_netdev_stats_struct(struct net_device *netdev,
+				  struct rtnl_link_stats64 *stats)
 {
 	struct i40e_netdev_priv *np = netdev_priv(netdev);
 	struct i40e_ring *tx_ring, *rx_ring;
@@ -425,10 +421,10 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 	int i;
 
 	if (test_bit(__I40E_DOWN, &vsi->state))
-		return stats;
+		return;
 
 	if (!vsi->tx_rings)
-		return stats;
+		return;
 
 	rcu_read_lock();
 	for (i = 0; i < vsi->num_queue_pairs; i++) {
@@ -468,8 +464,6 @@ static struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
 	stats->rx_dropped	= vsi_stats->rx_dropped;
 	stats->rx_crc_errors	= vsi_stats->rx_crc_errors;
 	stats->rx_length_errors	= vsi_stats->rx_length_errors;
-
-	return stats;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 9affd7c1..076ccfa4 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -137,8 +137,8 @@ static void igb_update_phy_info(unsigned long);
 static void igb_watchdog(unsigned long);
 static void igb_watchdog_task(struct work_struct *);
 static netdev_tx_t igb_xmit_frame(struct sk_buff *skb, struct net_device *);
-static struct rtnl_link_stats64 *igb_get_stats64(struct net_device *dev,
-					  struct rtnl_link_stats64 *stats);
+static void igb_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *stats);
 static int igb_change_mtu(struct net_device *, int);
 static int igb_set_mac(struct net_device *, void *);
 static void igb_set_uta(struct igb_adapter *adapter, bool set);
@@ -5386,8 +5386,8 @@ static void igb_reset_task(struct work_struct *work)
  *  @netdev: network interface device structure
  *  @stats: rtnl_link_stats64 pointer
  **/
-static struct rtnl_link_stats64 *igb_get_stats64(struct net_device *netdev,
-						struct rtnl_link_stats64 *stats)
+static void igb_get_stats64(struct net_device *netdev,
+			    struct rtnl_link_stats64 *stats)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 
@@ -5395,8 +5395,6 @@ static struct rtnl_link_stats64 *igb_get_stats64(struct net_device *netdev,
 	igb_update_stats(adapter, &adapter->stats64);
 	memcpy(stats, &adapter->stats64, sizeof(*stats));
 	spin_unlock(&adapter->stats64_lock);
-
-	return stats;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index fee1f291..ee4f1cc2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -8085,8 +8085,9 @@ static void ixgbe_netpoll(struct net_device *netdev)
 }
 
 #endif
-static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev,
-						   struct rtnl_link_stats64 *stats)
+
+static void ixgbe_get_stats64(struct net_device *netdev,
+			      struct rtnl_link_stats64 *stats)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	int i;
@@ -8124,13 +8125,13 @@ static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev,
 		}
 	}
 	rcu_read_unlock();
+
 	/* following stats updated by ixgbe_watchdog_task() */
 	stats->multicast	= netdev->stats.multicast;
 	stats->rx_errors	= netdev->stats.rx_errors;
 	stats->rx_length_errors	= netdev->stats.rx_length_errors;
 	stats->rx_crc_errors	= netdev->stats.rx_crc_errors;
 	stats->rx_missed_errors	= netdev->stats.rx_missed_errors;
-	return stats;
 }
 
 #ifdef CONFIG_IXGBE_DCB
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index cbf70fe4..3519769e 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -3880,8 +3880,8 @@ static void ixgbevf_shutdown(struct pci_dev *pdev)
 	ixgbevf_suspend(pdev, PMSG_SUSPEND);
 }
 
-static struct rtnl_link_stats64 *ixgbevf_get_stats(struct net_device *netdev,
-						struct rtnl_link_stats64 *stats)
+static void ixgbevf_get_stats(struct net_device *netdev,
+			      struct rtnl_link_stats64 *stats)
 {
 	struct ixgbevf_adapter *adapter = netdev_priv(netdev);
 	unsigned int start;
@@ -3914,8 +3914,6 @@ static struct rtnl_link_stats64 *ixgbevf_get_stats(struct net_device *netdev,
 		stats->tx_bytes += bytes;
 		stats->tx_packets += packets;
 	}
-
-	return stats;
 }
 
 #define IXGBEVF_MAX_MAC_HDR_LEN		127
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 707bc468..100f3af8 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -636,7 +636,7 @@ static void mvneta_mib_counters_clear(struct mvneta_port *pp)
 }
 
 /* Get System Network Statistics */
-static struct rtnl_link_stats64 *
+static void
 mvneta_get_stats64(struct net_device *dev,
 		   struct rtnl_link_stats64 *stats)
 {
@@ -670,8 +670,6 @@ mvneta_get_stats64(struct net_device *dev,
 	stats->rx_dropped	= dev->stats.rx_dropped;
 
 	stats->tx_dropped	= dev->stats.tx_dropped;
-
-	return stats;
 }
 
 /* Rx descriptors helper methods */
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c
index 0a4e81a2..17032925 100644
--- a/drivers/net/ethernet/marvell/mvpp2.c
+++ b/drivers/net/ethernet/marvell/mvpp2.c
@@ -5762,7 +5762,7 @@ static int mvpp2_change_mtu(struct net_device *dev, int mtu)
 	return err;
 }
 
-static struct rtnl_link_stats64 *
+static void
 mvpp2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct mvpp2_port *port = netdev_priv(dev);
@@ -5794,8 +5794,6 @@ mvpp2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	stats->rx_errors	= dev->stats.rx_errors;
 	stats->rx_dropped	= dev->stats.rx_dropped;
 	stats->tx_dropped	= dev->stats.tx_dropped;
-
-	return stats;
 }
 
 static int mvpp2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 941c8e2c..cff8b633 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -3898,8 +3898,8 @@ static void sky2_set_multicast(struct net_device *dev)
 	gma_write16(hw, port, GM_RX_CTRL, reg);
 }
 
-static struct rtnl_link_stats64 *sky2_get_stats(struct net_device *dev,
-						struct rtnl_link_stats64 *stats)
+static void sky2_get_stats(struct net_device *dev,
+			   struct rtnl_link_stats64 *stats)
 {
 	struct sky2_port *sky2 = netdev_priv(dev);
 	struct sky2_hw *hw = sky2->hw;
@@ -3939,8 +3939,6 @@ static struct rtnl_link_stats64 *sky2_get_stats(struct net_device *dev,
 	stats->rx_dropped = dev->stats.rx_dropped;
 	stats->rx_fifo_errors = dev->stats.rx_fifo_errors;
 	stats->tx_fifo_errors = dev->stats.tx_fifo_errors;
-
-	return stats;
 }
 
 /* Can have one global because blinking is controlled by
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 4832223f..6d260da6 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -462,8 +462,8 @@ static void mtk_stats_update(struct mtk_eth *eth)
 	}
 }
 
-static struct rtnl_link_stats64 *mtk_get_stats64(struct net_device *dev,
-					struct rtnl_link_stats64 *storage)
+static void mtk_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *storage)
 {
 	struct mtk_mac *mac = netdev_priv(dev);
 	struct mtk_hw_stats *hw_stats = mac->hw_stats;
@@ -494,8 +494,6 @@ static struct rtnl_link_stats64 *mtk_get_stats64(struct net_device *dev,
 	storage->tx_errors = dev->stats.tx_errors;
 	storage->rx_dropped = dev->stats.rx_dropped;
 	storage->tx_dropped = dev->stats.tx_dropped;
-
-	return storage;
 }
 
 static inline int mtk_max_frag_size(int mtu)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index d223e7cb..ebf5c7e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1316,7 +1316,7 @@ static void mlx4_en_tx_timeout(struct net_device *dev)
 }
 
 
-static struct rtnl_link_stats64 *
+static void
 mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
@@ -1324,8 +1324,6 @@ mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	spin_lock_bh(&priv->stats_lock);
 	netdev_stats_to_stats64(stats, &dev->stats);
 	spin_unlock_bh(&priv->stats_lock);
-
-	return stats;
 }
 
 static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 9d372293..582ba530 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2647,7 +2647,7 @@ static int mlx5e_ndo_setup_tc(struct net_device *dev, u32 handle,
 	return mlx5e_setup_tc(dev, tc->tc);
 }
 
-struct rtnl_link_stats64 *
+static void
 mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct mlx5e_priv *priv = netdev_priv(dev);
@@ -2681,7 +2681,6 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	stats->multicast =
 		VPORT_COUNTER_GET(vstats, received_eth_multicast.packets);
 
-	return stats;
 }
 
 static void mlx5e_set_rx_mode(struct net_device *dev)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 1806b1fc..cf21a83a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -948,15 +948,13 @@ static void update_stats_cache(struct work_struct *work)
 /* Return the stats from a cache that is updated periodically,
  * as this function might get called in an atomic context.
  */
-static struct rtnl_link_stats64 *
+static void
 mlxsw_sp_port_get_stats64(struct net_device *dev,
 			  struct rtnl_link_stats64 *stats)
 {
 	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
 
 	memcpy(stats, mlxsw_sp_port->hw_stats.cache, sizeof(*stats));
-
-	return stats;
 }
 
 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index d548f0a5..6e9e7fa4 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -351,7 +351,7 @@ static int mlxsw_sx_port_change_mtu(struct net_device *dev, int mtu)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *
+static void
 mlxsw_sx_port_get_stats64(struct net_device *dev,
 			  struct rtnl_link_stats64 *stats)
 {
@@ -380,7 +380,6 @@ mlxsw_sx_port_get_stats64(struct net_device *dev,
 		tx_dropped	+= p->tx_dropped;
 	}
 	stats->tx_dropped	= tx_dropped;
-	return stats;
 }
 
 static const struct net_device_ops mlxsw_sx_port_netdev_ops = {
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 6d1a956e..d26745cc 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -378,8 +378,8 @@ static inline void put_be32(__be32 val, __be32 __iomem * p)
 	__raw_writel((__force __u32) val, (__force void __iomem *)p);
 }
 
-static struct rtnl_link_stats64 *myri10ge_get_stats(struct net_device *dev,
-						    struct rtnl_link_stats64 *stats);
+static void myri10ge_get_stats(struct net_device *dev,
+			       struct rtnl_link_stats64 *stats);
 
 static void set_fw_name(struct myri10ge_priv *mgp, char *name, bool allocated)
 {
@@ -3119,8 +3119,8 @@ static netdev_tx_t myri10ge_sw_tso(struct sk_buff *skb,
 	return NETDEV_TX_OK;
 }
 
-static struct rtnl_link_stats64 *myri10ge_get_stats(struct net_device *dev,
-						    struct rtnl_link_stats64 *stats)
+static void myri10ge_get_stats(struct net_device *dev,
+			       struct rtnl_link_stats64 *stats)
 {
 	const struct myri10ge_priv *mgp = netdev_priv(dev);
 	const struct myri10ge_slice_netstats *slice_stats;
@@ -3135,7 +3135,6 @@ static struct rtnl_link_stats64 *myri10ge_get_stats(struct net_device *dev,
 		stats->rx_dropped += slice_stats->rx_dropped;
 		stats->tx_dropped += slice_stats->tx_dropped;
 	}
-	return stats;
 }
 
 static void myri10ge_set_multicast_list(struct net_device *dev)
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
index e0993eba..9c27728f 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -3116,7 +3116,7 @@ static int vxge_change_mtu(struct net_device *dev, int new_mtu)
  * @stats: pointer to struct rtnl_link_stats64
  *
  */
-static struct rtnl_link_stats64 *
+static void
 vxge_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
 {
 	struct vxgedev *vdev = netdev_priv(dev);
@@ -3155,8 +3155,6 @@ vxge_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
 		net_stats->tx_bytes += bytes;
 		net_stats->tx_errors += txstats->tx_errors;
 	}
-
-	return net_stats;
 }
 
 static enum vxge_hw_status vxge_timestamp_config(struct __vxge_hw_device *devh)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 4ca82bd8..55915cbd 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2400,8 +2400,8 @@ int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt)
 	return err;
 }
 
-static struct rtnl_link_stats64 *nfp_net_stat64(struct net_device *netdev,
-						struct rtnl_link_stats64 *stats)
+static void nfp_net_stat64(struct net_device *netdev,
+			   struct rtnl_link_stats64 *stats)
 {
 	struct nfp_net *nn = netdev_priv(netdev);
 	int r;
@@ -2431,8 +2431,6 @@ static struct rtnl_link_stats64 *nfp_net_stat64(struct net_device *netdev,
 		stats->tx_bytes += data[1];
 		stats->tx_errors += data[2];
 	}
-
-	return stats;
 }
 
 static bool nfp_net_ebpf_capable(struct nfp_net *nn)
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 9b0d7f46..d7a07928 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -1733,7 +1733,7 @@ static void nv_update_stats(struct net_device *dev)
  * Called with read_lock(&dev_base_lock) held for read -
  * only synchronized against unregister_netdevice.
  */
-static struct rtnl_link_stats64*
+static void
 nv_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *storage)
 	__acquires(&netdev_priv(dev)->hwstats_lock)
 	__releases(&netdev_priv(dev)->hwstats_lock)
@@ -1793,8 +1793,6 @@ nv_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *storage)
 
 		spin_unlock_bh(&np->hwstats_lock);
 	}
-
-	return storage;
 }
 
 /*
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index 7a0281a3..8bb16d64 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -90,8 +90,8 @@ static irqreturn_t netxen_msix_intr(int irq, void *data);
 
 static void netxen_free_ip_list(struct netxen_adapter *, bool);
 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
-static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
-						      struct rtnl_link_stats64 *stats);
+static void netxen_nic_get_stats(struct net_device *dev,
+				 struct rtnl_link_stats64 *stats);
 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
 
 /*  PCI Device ID Table  */
@@ -2295,8 +2295,8 @@ static void netxen_tx_timeout_task(struct work_struct *work)
 	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
-static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
-						      struct rtnl_link_stats64 *stats)
+static void netxen_nic_get_stats(struct net_device *netdev,
+				 struct rtnl_link_stats64 *stats)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
 
@@ -2306,8 +2306,6 @@ static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
 	stats->tx_bytes = adapter->stats.txbytes;
 	stats->rx_dropped = adapter->stats.rxdropped;
 	stats->tx_dropped = adapter->stats.txdropped;
-
-	return stats;
 }
 
 static irqreturn_t netxen_intr(int irq, void *data)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 85f46dbe..645507a9 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1803,9 +1803,8 @@ void qede_fill_by_demand_stats(struct qede_dev *edev)
 	edev->stats.tx_mac_ctrl_frames = stats.tx_mac_ctrl_frames;
 }
 
-static
-struct rtnl_link_stats64 *qede_get_stats64(struct net_device *dev,
-					   struct rtnl_link_stats64 *stats)
+static void qede_get_stats64(struct net_device *dev,
+			     struct rtnl_link_stats64 *stats)
 {
 	struct qede_dev *edev = netdev_priv(dev);
 
@@ -1835,8 +1834,6 @@ struct rtnl_link_stats64 *qede_get_stats64(struct net_device *dev,
 	stats->collisions = edev->stats.tx_total_collisions;
 	stats->rx_crc_errors = edev->stats.rx_crc_errors;
 	stats->rx_frame_errors = edev->stats.rx_align_errors;
-
-	return stats;
 }
 
 #ifdef CONFIG_QED_SRIOV
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c
index 57b35aea..babc1025 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac.c
@@ -319,8 +319,8 @@ static int emac_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 }
 
 /* Provide network statistics info for the interface */
-static struct rtnl_link_stats64 *emac_get_stats64(struct net_device *netdev,
-						  struct rtnl_link_stats64 *net_stats)
+static void emac_get_stats64(struct net_device *netdev,
+			     struct rtnl_link_stats64 *net_stats)
 {
 	struct emac_adapter *adpt = netdev_priv(netdev);
 	unsigned int addr = REG_MAC_RX_STATUS_BIN;
@@ -384,8 +384,6 @@ static struct rtnl_link_stats64 *emac_get_stats64(struct net_device *netdev,
 	net_stats->tx_window_errors = stats->tx_late_col;
 
 	spin_unlock(&stats->lock);
-
-	return net_stats;
 }
 
 static const struct net_device_ops emac_netdev_ops = {
diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c
index da4c2d8a..5722e187 100644
--- a/drivers/net/ethernet/realtek/8139too.c
+++ b/drivers/net/ethernet/realtek/8139too.c
@@ -653,9 +653,8 @@ static int rtl8139_poll(struct napi_struct *napi, int budget);
 static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance);
 static int rtl8139_close (struct net_device *dev);
 static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
-static struct rtnl_link_stats64 *rtl8139_get_stats64(struct net_device *dev,
-						    struct rtnl_link_stats64
-						    *stats);
+static void rtl8139_get_stats64(struct net_device *dev,
+				struct rtnl_link_stats64 *stats);
 static void rtl8139_set_rx_mode (struct net_device *dev);
 static void __set_rx_mode (struct net_device *dev);
 static void rtl8139_hw_start (struct net_device *dev);
@@ -2521,7 +2520,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 }
 
 
-static struct rtnl_link_stats64 *
+static void
 rtl8139_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct rtl8139_private *tp = netdev_priv(dev);
@@ -2549,8 +2548,6 @@ rtl8139_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->tx_packets = tp->tx_stats.packets;
 		stats->tx_bytes = tp->tx_stats.bytes;
 	} while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
-
-	return stats;
 }
 
 /* Set or clear the multicast filter for this adaptor.
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 2c4350a1..ac7eab06 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7751,7 +7751,7 @@ static int rtl_open(struct net_device *dev)
 	goto out;
 }
 
-static struct rtnl_link_stats64 *
+static void
 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
@@ -7805,8 +7805,6 @@ rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		le16_to_cpu(tp->tc_offset.tx_aborted);
 
 	pm_runtime_put_noidle(&pdev->dev);
-
-	return stats;
 }
 
 static void rtl8169_net_suspend(struct net_device *dev)
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index ea44a245..49196846 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -1721,11 +1721,9 @@ static inline u64 sxgbe_get_stat64(void __iomem *ioaddr, int reg_lo, int reg_hi)
  *  This function is a driver entry point whenever ifconfig command gets
  *  executed to see device statistics. Statistics are number of
  *  bytes sent or received, errors occurred etc.
- *  Return value:
- *  This function returns various statistical information of device.
  */
-static struct rtnl_link_stats64 *sxgbe_get_stats64(struct net_device *dev,
-						   struct rtnl_link_stats64 *stats)
+static void sxgbe_get_stats64(struct net_device *dev,
+			      struct rtnl_link_stats64 *stats)
 {
 	struct sxgbe_priv_data *priv = netdev_priv(dev);
 	void __iomem *ioaddr = priv->ioaddr;
@@ -1776,8 +1774,6 @@ static struct rtnl_link_stats64 *sxgbe_get_stats64(struct net_device *dev,
 						 SXGBE_MMC_TXUFLWHI_GBCNT_REG);
 	writel(0, ioaddr + SXGBE_MMC_CTL_REG);
 	spin_unlock(&priv->stats_lock);
-
-	return stats;
 }
 
 /*  sxgbe_set_features - entry point to set offload features of the device.
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 6b89e4a7..c6209dd4 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -2232,16 +2232,14 @@ int efx_net_stop(struct net_device *net_dev)
 }
 
 /* Context: process, dev_base_lock or RTNL held, non-blocking. */
-static struct rtnl_link_stats64 *efx_net_stats(struct net_device *net_dev,
-					       struct rtnl_link_stats64 *stats)
+static void efx_net_stats(struct net_device *net_dev,
+			  struct rtnl_link_stats64 *stats)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
 
 	spin_lock_bh(&efx->stats_lock);
 	efx->type->update_stats(efx, NULL, stats);
 	spin_unlock_bh(&efx->stats_lock);
-
-	return stats;
 }
 
 /* Context: netif_tx_lock held, BHs disabled. */
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index a2371aa1..680fc756 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -6294,8 +6294,8 @@ static void niu_get_tx_stats(struct niu *np,
 	stats->tx_errors = errors;
 }
 
-static struct rtnl_link_stats64 *niu_get_stats(struct net_device *dev,
-					       struct rtnl_link_stats64 *stats)
+static void niu_get_stats(struct net_device *dev,
+			  struct rtnl_link_stats64 *stats)
 {
 	struct niu *np = netdev_priv(dev);
 
@@ -6303,8 +6303,6 @@ static struct rtnl_link_stats64 *niu_get_stats(struct net_device *dev,
 		niu_get_rx_stats(np, stats);
 		niu_get_tx_stats(np, stats);
 	}
-
-	return stats;
 }
 
 static void niu_load_hash_xmac(struct niu *np, u16 *hash)
diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 97d64bfe..bcacd08c 100644
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -2490,7 +2490,7 @@ static void dwceqos_read_mmc_counters(struct net_local *lp, u32 rx_mask,
 			dwceqos_read(lp, DWC_MMC_RXPACKETCOUNT_GB);
 }
 
-static struct rtnl_link_stats64*
+static void
 dwceqos_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *s)
 {
 	unsigned long flags;
@@ -2522,8 +2522,6 @@ dwceqos_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *s)
 	else
 		s->tx_errors = hwstats->txunderflowerror +
 			hwstats->txcarriererror;
-
-	return s;
 }
 
 static void
diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c
index 4ef605a9..9cd7cd3c 100644
--- a/drivers/net/ethernet/tile/tilepro.c
+++ b/drivers/net/ethernet/tile/tilepro.c
@@ -2047,8 +2047,8 @@ static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
  *
  * Returns the address of the device statistics structure.
  */
-static struct rtnl_link_stats64 *tile_net_get_stats64(struct net_device *dev,
-		struct rtnl_link_stats64 *stats)
+static void tile_net_get_stats64(struct net_device *dev,
+				 struct rtnl_link_stats64 *stats)
 {
 	struct tile_net_priv *priv = netdev_priv(dev);
 	u64 rx_packets = 0, tx_packets = 0;
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 9d14731c..ae891364 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -513,8 +513,8 @@ static irqreturn_t rhine_interrupt(int irq, void *dev_instance);
 static void rhine_tx(struct net_device *dev);
 static int rhine_rx(struct net_device *dev, int limit);
 static void rhine_set_rx_mode(struct net_device *dev);
-static struct rtnl_link_stats64 *rhine_get_stats64(struct net_device *dev,
-	       struct rtnl_link_stats64 *stats);
+static void rhine_get_stats64(struct net_device *dev,
+			      struct rtnl_link_stats64 *stats);
 static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 static const struct ethtool_ops netdev_ethtool_ops;
 static int  rhine_close(struct net_device *dev);
@@ -2222,7 +2222,7 @@ static void rhine_slow_event_task(struct work_struct *work)
 	mutex_unlock(&rp->task_lock);
 }
 
-static struct rtnl_link_stats64 *
+static void
 rhine_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct rhine_private *rp = netdev_priv(dev);
@@ -2245,8 +2245,6 @@ rhine_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->tx_packets = rp->tx_stats.packets;
 		stats->tx_bytes = rp->tx_stats.bytes;
 	} while (u64_stats_fetch_retry_irq(&rp->tx_stats.syncp, start));
-
-	return stats;
 }
 
 static void rhine_set_rx_mode(struct net_device *dev)
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index e46b1ebb..6b944caf 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -56,8 +56,7 @@ static void fjes_raise_intr_rxdata_task(struct work_struct *);
 static void fjes_tx_stall_task(struct work_struct *);
 static void fjes_force_close_task(struct work_struct *);
 static irqreturn_t fjes_intr(int, void*);
-static struct rtnl_link_stats64 *
-fjes_get_stats64(struct net_device *, struct rtnl_link_stats64 *);
+static void fjes_get_stats64(struct net_device *, struct rtnl_link_stats64 *);
 static int fjes_change_mtu(struct net_device *, int);
 static int fjes_vlan_rx_add_vid(struct net_device *, __be16 proto, u16);
 static int fjes_vlan_rx_kill_vid(struct net_device *, __be16 proto, u16);
@@ -762,14 +761,12 @@ static void fjes_tx_retry(struct net_device *netdev)
 	netif_tx_wake_queue(queue);
 }
 
-static struct rtnl_link_stats64 *
+static void
 fjes_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 {
 	struct fjes_adapter *adapter = netdev_priv(netdev);
 
 	memcpy(stats, &adapter->stats64, sizeof(struct rtnl_link_stats64));
-
-	return stats;
 }
 
 static int fjes_change_mtu(struct net_device *netdev, int new_mtu)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 36a04e18..48f20945 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -918,8 +918,8 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
 	return ret;
 }
 
-static struct rtnl_link_stats64 *netvsc_get_stats64(struct net_device *net,
-						    struct rtnl_link_stats64 *t)
+static void netvsc_get_stats64(struct net_device *net,
+			       struct rtnl_link_stats64 *t)
 {
 	struct net_device_context *ndev_ctx = netdev_priv(net);
 	int cpu;
@@ -957,8 +957,6 @@ static struct rtnl_link_stats64 *netvsc_get_stats64(struct net_device *net,
 
 	t->rx_dropped	= net->stats.rx_dropped;
 	t->rx_errors	= net->stats.rx_errors;
-
-	return t;
 }
 
 static int netvsc_set_mac_addr(struct net_device *ndev, void *p)
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 66c0eeaf..082534e1 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -129,8 +129,8 @@ static void ifb_ri_tasklet(unsigned long _txp)
 
 }
 
-static struct rtnl_link_stats64 *ifb_stats64(struct net_device *dev,
-					     struct rtnl_link_stats64 *stats)
+static void ifb_stats64(struct net_device *dev,
+			struct rtnl_link_stats64 *stats)
 {
 	struct ifb_dev_private *dp = netdev_priv(dev);
 	struct ifb_q_private *txp = dp->tx_private;
@@ -157,8 +157,6 @@ static struct rtnl_link_stats64 *ifb_stats64(struct net_device *dev,
 	}
 	stats->rx_dropped = dev->stats.rx_dropped;
 	stats->tx_dropped = dev->stats.tx_dropped;
-
-	return stats;
 }
 
 static int ifb_dev_init(struct net_device *dev)
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index dfbc4ef6..6629680d 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -296,8 +296,8 @@ static void ipvlan_set_multicast_mac_filter(struct net_device *dev)
 	dev_mc_sync(ipvlan->phy_dev, dev);
 }
 
-static struct rtnl_link_stats64 *ipvlan_get_stats64(struct net_device *dev,
-						    struct rtnl_link_stats64 *s)
+static void ipvlan_get_stats64(struct net_device *dev,
+			       struct rtnl_link_stats64 *s)
 {
 	struct ipvl_dev *ipvlan = netdev_priv(dev);
 
@@ -334,7 +334,6 @@ static struct rtnl_link_stats64 *ipvlan_get_stats64(struct net_device *dev,
 		s->rx_dropped = rx_errs;
 		s->tx_dropped = tx_drps;
 	}
-	return s;
 }
 
 static int ipvlan_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 1b65f0f9..0254b2a9 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -97,8 +97,8 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
 	return NETDEV_TX_OK;
 }
 
-static struct rtnl_link_stats64 *loopback_get_stats64(struct net_device *dev,
-						      struct rtnl_link_stats64 *stats)
+static void loopback_get_stats64(struct net_device *dev,
+				 struct rtnl_link_stats64 *stats)
 {
 	u64 bytes = 0;
 	u64 packets = 0;
@@ -122,7 +122,6 @@ static struct rtnl_link_stats64 *loopback_get_stats64(struct net_device *dev,
 	stats->tx_packets = packets;
 	stats->rx_bytes   = bytes;
 	stats->tx_bytes   = bytes;
-	return stats;
 }
 
 static u32 always_on(struct net_device *dev)
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 2caac0c3..880ee985 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -2899,13 +2899,13 @@ static int macsec_change_mtu(struct net_device *dev, int new_mtu)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *macsec_get_stats64(struct net_device *dev,
-						    struct rtnl_link_stats64 *s)
+static void macsec_get_stats64(struct net_device *dev,
+			       struct rtnl_link_stats64 *s)
 {
 	int cpu;
 
 	if (!dev->tstats)
-		return s;
+		return;
 
 	for_each_possible_cpu(cpu) {
 		struct pcpu_sw_netstats *stats;
@@ -2929,8 +2929,6 @@ static struct rtnl_link_stats64 *macsec_get_stats64(struct net_device *dev,
 
 	s->rx_dropped = dev->stats.rx_dropped;
 	s->tx_dropped = dev->stats.tx_dropped;
-
-	return s;
 }
 
 static int macsec_get_iflink(const struct net_device *dev)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index dc8ccac0..94576142 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -857,8 +857,8 @@ static void macvlan_uninit(struct net_device *dev)
 		macvlan_port_destroy(port->dev);
 }
 
-static struct rtnl_link_stats64 *macvlan_dev_get_stats64(struct net_device *dev,
-							 struct rtnl_link_stats64 *stats)
+static void macvlan_dev_get_stats64(struct net_device *dev,
+				    struct rtnl_link_stats64 *stats)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 
@@ -895,7 +895,6 @@ static struct rtnl_link_stats64 *macvlan_dev_get_stats64(struct net_device *dev,
 		stats->rx_dropped	= rx_errors;
 		stats->tx_dropped	= tx_dropped;
 	}
-	return stats;
 }
 
 static int macvlan_vlan_rx_add_vid(struct net_device *dev,
diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c
index 7b7c70e2..a0daed8a 100644
--- a/drivers/net/nlmon.c
+++ b/drivers/net/nlmon.c
@@ -76,7 +76,7 @@ static int nlmon_close(struct net_device *dev)
 	return netlink_remove_tap(&nlmon->nt);
 }
 
-static struct rtnl_link_stats64 *
+static void
 nlmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	int i;
@@ -104,8 +104,6 @@ nlmon_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 
 	stats->rx_bytes = bytes;
 	stats->tx_bytes = 0;
-
-	return stats;
 }
 
 static u32 always_on(struct net_device *dev)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 96fa0e61..d3b17318 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1312,7 +1312,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return err;
 }
 
-static struct rtnl_link_stats64*
+static void
 ppp_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats64)
 {
 	struct ppp *ppp = netdev_priv(dev);
@@ -1332,8 +1332,6 @@ ppp_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats64)
 	stats64->rx_dropped       = dev->stats.rx_dropped;
 	stats64->tx_dropped       = dev->stats.tx_dropped;
 	stats64->rx_length_errors = dev->stats.rx_length_errors;
-
-	return stats64;
 }
 
 static int ppp_dev_init(struct net_device *dev)
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index 9ed6d1c1..c8c0c231 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -571,7 +571,7 @@ static int sl_change_mtu(struct net_device *dev, int new_mtu)
 
 /* Netdevice get statistics request */
 
-static struct rtnl_link_stats64 *
+static void
 sl_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct net_device_stats *devstats = &dev->stats;
@@ -602,7 +602,6 @@ sl_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->collisions     += comp->sls_o_misses;
 	}
 #endif
-	return stats;
 }
 
 /* Netdevice register callback */
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index a380649b..95499313 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1798,7 +1798,7 @@ static int team_change_mtu(struct net_device *dev, int new_mtu)
 	return err;
 }
 
-static struct rtnl_link_stats64 *
+static void
 team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	struct team *team = netdev_priv(dev);
@@ -1835,7 +1835,6 @@ team_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	stats->rx_dropped	= rx_dropped;
 	stats->tx_dropped	= tx_dropped;
 	stats->rx_nohandler	= rx_nohandler;
-	return stats;
 }
 
 static int team_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index a931b733..19fb25b1 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -983,7 +983,7 @@ static void tun_set_headroom(struct net_device *dev, int new_hr)
 	tun->align = new_hr;
 }
 
-static struct rtnl_link_stats64 *
+static void
 tun_net_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	u32 rx_dropped = 0, tx_dropped = 0, rx_frame_errors = 0;
@@ -1017,7 +1017,6 @@ tun_net_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 	stats->rx_dropped  = rx_dropped;
 	stats->rx_frame_errors = rx_frame_errors;
 	stats->tx_dropped = tx_dropped;
-	return stats;
 }
 
 static const struct net_device_ops tun_netdev_ops = {
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index fbc853e6..e25aa62d 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -161,8 +161,8 @@ static u64 veth_stats_one(struct pcpu_vstats *result, struct net_device *dev)
 	return atomic64_read(&priv->dropped);
 }
 
-static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
-						  struct rtnl_link_stats64 *tot)
+static void veth_get_stats64(struct net_device *dev,
+			     struct rtnl_link_stats64 *tot)
 {
 	struct veth_priv *priv = netdev_priv(dev);
 	struct net_device *peer;
@@ -180,8 +180,6 @@ static struct rtnl_link_stats64 *veth_get_stats64(struct net_device *dev,
 		tot->rx_packets = one.packets;
 	}
 	rcu_read_unlock();
-
-	return tot;
 }
 
 /* fake multicast ability */
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 1568aedd..15e87add 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1017,8 +1017,8 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
 	return ret;
 }
 
-static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev,
-					       struct rtnl_link_stats64 *tot)
+static void virtnet_stats(struct net_device *dev,
+			  struct rtnl_link_stats64 *tot)
 {
 	struct virtnet_info *vi = netdev_priv(dev);
 	int cpu;
@@ -1051,8 +1051,6 @@ static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev,
 	tot->rx_dropped = dev->stats.rx_dropped;
 	tot->rx_length_errors = dev->stats.rx_length_errors;
 	tot->rx_frame_errors = dev->stats.rx_frame_errors;
-
-	return tot;
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index aabc6ef3..f88ffafe 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -113,7 +113,7 @@ vmxnet3_global_stats[] = {
 };
 
 
-struct rtnl_link_stats64 *
+void
 vmxnet3_get_stats64(struct net_device *netdev,
 		   struct rtnl_link_stats64 *stats)
 {
@@ -160,8 +160,6 @@ vmxnet3_get_stats64(struct net_device *netdev,
 		stats->rx_dropped += drvRxStats->drop_total;
 		stats->multicast +=  devRxStats->mcastPktsRxOK;
 	}
-
-	return stats;
 }
 
 static int
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 7dc37a09..ec19df56 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -466,8 +466,8 @@ vmxnet3_create_queues(struct vmxnet3_adapter *adapter,
 
 void vmxnet3_set_ethtool_ops(struct net_device *netdev);
 
-struct rtnl_link_stats64 *
-vmxnet3_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats);
+void vmxnet3_get_stats64(struct net_device *dev,
+			 struct rtnl_link_stats64 *stats);
 
 extern char vmxnet3_driver_name[];
 #endif
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 578bd500..499af07a 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -79,8 +79,8 @@ static void vrf_tx_error(struct net_device *vrf_dev, struct sk_buff *skb)
 	kfree_skb(skb);
 }
 
-static struct rtnl_link_stats64 *vrf_get_stats64(struct net_device *dev,
-						 struct rtnl_link_stats64 *stats)
+static void vrf_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *stats)
 {
 	int i;
 
@@ -104,7 +104,6 @@ static struct rtnl_link_stats64 *vrf_get_stats64(struct net_device *dev,
 		stats->rx_bytes += rbytes;
 		stats->rx_packets += rpkts;
 	}
-	return stats;
 }
 
 /* Local traffic destined to local address. Reinsert the packet to rx
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index cd442e46..f87cae7e 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1081,8 +1081,8 @@ static int xennet_change_mtu(struct net_device *dev, int mtu)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *xennet_get_stats64(struct net_device *dev,
-						    struct rtnl_link_stats64 *tot)
+static void xennet_get_stats64(struct net_device *dev,
+			       struct rtnl_link_stats64 *tot)
 {
 	struct netfront_info *np = netdev_priv(dev);
 	int cpu;
@@ -1113,8 +1113,6 @@ static struct rtnl_link_stats64 *xennet_get_stats64(struct net_device *dev,
 
 	tot->rx_errors  = dev->stats.rx_errors;
 	tot->tx_dropped = dev->stats.tx_dropped;
-
-	return tot;
 }
 
 static void xennet_release_tx_bufs(struct netfront_queue *queue)
diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c
index 552a7dcb..d7dea9d4 100644
--- a/drivers/staging/netlogic/xlr_net.c
+++ b/drivers/staging/netlogic/xlr_net.c
@@ -395,14 +395,6 @@ static void xlr_stats(struct net_device *ndev, struct rtnl_link_stats64 *stats)
 			TX_DROP_FRAME_COUNTER);
 }
 
-static struct rtnl_link_stats64 *xlr_get_stats64(struct net_device *ndev,
-						 struct rtnl_link_stats64 *stats
-						 )
-{
-	xlr_stats(ndev, stats);
-	return stats;
-}
-
 static const struct net_device_ops xlr_netdev_ops = {
 	.ndo_open = xlr_net_open,
 	.ndo_stop = xlr_net_stop,
@@ -410,7 +402,7 @@ static const struct net_device_ops xlr_netdev_ops = {
 	.ndo_select_queue = xlr_net_select_queue,
 	.ndo_set_mac_address = xlr_net_set_mac_addr,
 	.ndo_set_rx_mode = xlr_set_rx_mode,
-	.ndo_get_stats64 = xlr_get_stats64,
+	.ndo_get_stats64 = xlr_stats,
 };
 
 /*
diff --git a/include/linux/device.h b/include/linux/device.h
index 8d732965..6d206930 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -688,6 +688,25 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res);
 int devm_add_action(struct device *dev, void (*action)(void *), void *data);
 void devm_remove_action(struct device *dev, void (*action)(void *), void *data);
 
+/**
+ * devm_alloc_percpu - Resource-managed alloc_percpu
+ * @dev: Device to allocate per-cpu memory for
+ * @type: Type to allocate per-cpu memory for
+ *
+ * Managed alloc_percpu. Per-cpu memory allocated with this function is
+ * automatically freed on driver detach.
+ *
+ * RETURNS:
+ * Pointer to allocated memory on success, NULL on failure.
+ */
+#define devm_alloc_percpu(dev, type)      \
+	((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), \
+						      __alignof__(type)))
+
+void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
+				   size_t align);
+void devm_free_percpu(struct device *dev, void __percpu *pdata);
+
 static inline int devm_add_action_or_reset(struct device *dev,
 					   void (*action)(void *), void *data)
 {
diff --git a/include/linux/fsl/svr.h b/include/linux/fsl/svr.h
new file mode 100644
index 00000000..e95c8f43
--- /dev/null
+++ b/include/linux/fsl/svr.h
@@ -0,0 +1,97 @@
+/*
+ * MPC85xx cpu type detection
+ *
+ * Copyright 2011-2012 Freescale Semiconductor, Inc.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef FSL_SVR_H
+#define FSL_SVR_H
+
+#define SVR_REV(svr)	((svr) & 0xFF)		/* SOC design resision */
+#define SVR_MAJ(svr)	(((svr) >>  4) & 0xF)	/* Major revision field*/
+#define SVR_MIN(svr)	(((svr) >>  0) & 0xF)	/* Minor revision field*/
+
+/* Some parts define SVR[0:23] as the SOC version */
+#define SVR_SOC_VER(svr) (((svr) >> 8) & 0xFFF7FF)	/* SOC Version fields */
+
+#define SVR_8533	0x803400
+#define SVR_8535	0x803701
+#define SVR_8536	0x803700
+#define SVR_8540	0x803000
+#define SVR_8541	0x807200
+#define SVR_8543	0x803200
+#define SVR_8544	0x803401
+#define SVR_8545	0x803102
+#define SVR_8547	0x803101
+#define SVR_8548	0x803100
+#define SVR_8555	0x807100
+#define SVR_8560	0x807000
+#define SVR_8567	0x807501
+#define SVR_8568	0x807500
+#define SVR_8569	0x808000
+#define SVR_8572	0x80E000
+#define SVR_P1010	0x80F100
+#define SVR_P1011	0x80E500
+#define SVR_P1012	0x80E501
+#define SVR_P1013	0x80E700
+#define SVR_P1014	0x80F101
+#define SVR_P1017	0x80F700
+#define SVR_P1020	0x80E400
+#define SVR_P1021	0x80E401
+#define SVR_P1022	0x80E600
+#define SVR_P1023	0x80F600
+#define SVR_P1024	0x80E402
+#define SVR_P1025	0x80E403
+#define SVR_P2010	0x80E300
+#define SVR_P2020	0x80E200
+#define SVR_P2040	0x821000
+#define SVR_P2041	0x821001
+#define SVR_P3041	0x821103
+#define SVR_P4040	0x820100
+#define SVR_P4080	0x820000
+#define SVR_P5010	0x822100
+#define SVR_P5020	0x822000
+#define SVR_P5021	0X820500
+#define SVR_P5040	0x820400
+#define SVR_T4240	0x824000
+#define SVR_T4120	0x824001
+#define SVR_T4160	0x824100
+#define SVR_T4080	0x824102
+#define SVR_C291	0x850000
+#define SVR_C292	0x850020
+#define SVR_C293	0x850030
+#define SVR_B4860	0X868000
+#define SVR_G4860	0x868001
+#define SVR_G4060	0x868003
+#define SVR_B4440	0x868100
+#define SVR_G4440	0x868101
+#define SVR_B4420	0x868102
+#define SVR_B4220	0x868103
+#define SVR_T1040	0x852000
+#define SVR_T1041	0x852001
+#define SVR_T1042	0x852002
+#define SVR_T1020	0x852100
+#define SVR_T1021	0x852101
+#define SVR_T1022	0x852102
+#define SVR_T1023	0x854100
+#define SVR_T1024	0x854000
+#define SVR_T2080	0x853000
+#define SVR_T2081	0x853100
+
+#define SVR_8610	0x80A000
+#define SVR_8641	0x809000
+#define SVR_8641D	0x809001
+
+#define SVR_9130	0x860001
+#define SVR_9131	0x860000
+#define SVR_9132	0x861000
+#define SVR_9232	0x861400
+
+#define SVR_Unknown	0xFFFFFF
+
+#endif
diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index f2912914..22308465 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -99,7 +99,10 @@ struct fsl_usb2_platform_data {
 	unsigned	suspended:1;
 	unsigned	already_suspended:1;
 	unsigned        has_fsl_erratum_a007792:1;
+	unsigned        has_fsl_erratum_14:1;
 	unsigned        has_fsl_erratum_a005275:1;
+	unsigned        has_fsl_erratum_a006918:1;
+	unsigned        has_fsl_erratum_a005697:1;
 	unsigned        check_phy_clk_valid:1;
 
 	/* register save area for suspend/resume */
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 9c6c8ef2..90b4107e 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -74,6 +74,7 @@ enum {
 	NETIF_F_BUSY_POLL_BIT,		/* Busy poll */
 
 	NETIF_F_HW_TC_BIT,		/* Offload TC infrastructure */
+	NETIF_F_HW_ACCEL_MQ_BIT,	/* Hardware-accelerated multiqueue */
 
 	/*
 	 * Add your fresh new feature above and remember to update
@@ -136,6 +137,7 @@ enum {
 #define NETIF_F_HW_L2FW_DOFFLOAD	__NETIF_F(HW_L2FW_DOFFLOAD)
 #define NETIF_F_BUSY_POLL	__NETIF_F(BUSY_POLL)
 #define NETIF_F_HW_TC		__NETIF_F(HW_TC)
+#define NETIF_F_HW_ACCEL_MQ	__NETIF_F(HW_ACCEL_MQ)
 
 #define for_each_netdev_feature(mask_addr, bit)	\
 	for_each_set_bit(bit, (unsigned long *)mask_addr, NETDEV_FEATURE_COUNT)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c3a1537c..67ef59d0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -916,8 +916,8 @@ struct netdev_xdp {
  *	Callback used when the transmitter has not made any progress
  *	for dev->watchdog ticks.
  *
- * struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev,
- *                      struct rtnl_link_stats64 *storage);
+ * void (*ndo_get_stats64)(struct net_device *dev,
+ *                         struct rtnl_link_stats64 *storage);
  * struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
  *	Called when a user wants to get the network device usage
  *	statistics. Drivers must do one of the following:
@@ -1165,8 +1165,8 @@ struct net_device_ops {
 						   struct neigh_parms *);
 	void			(*ndo_tx_timeout) (struct net_device *dev);
 
-	struct rtnl_link_stats64* (*ndo_get_stats64)(struct net_device *dev,
-						     struct rtnl_link_stats64 *storage);
+	void			(*ndo_get_stats64)(struct net_device *dev,
+						   struct rtnl_link_stats64 *storage);
 	bool			(*ndo_has_offload_stats)(int attr_id);
 	int			(*ndo_get_offload_stats)(int attr_id,
 							 const struct net_device *dev,
@@ -1509,6 +1509,8 @@ enum netdev_priv_flags {
  *	@if_port:	Selectable AUI, TP, ...
  *	@dma:		DMA channel
  *	@mtu:		Interface MTU value
+ *	@min_mtu:	Interface Minimum MTU value
+ *	@max_mtu:	Interface Maximum MTU value
  *	@type:		Interface hardware type
  *	@hard_header_len: Maximum hardware header length.
  *	@min_header_len:  Minimum hardware header length
@@ -1735,6 +1737,8 @@ struct net_device {
 	unsigned char		dma;
 
 	unsigned int		mtu;
+	unsigned int		min_mtu;
+	unsigned int		max_mtu;
 	unsigned short		type;
 	unsigned short		hard_header_len;
 	unsigned short		min_header_len;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9a0c945e..06f33c98 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -903,6 +903,7 @@ void kfree_skb(struct sk_buff *skb);
 void kfree_skb_list(struct sk_buff *segs);
 void skb_tx_error(struct sk_buff *skb);
 void consume_skb(struct sk_buff *skb);
+void skb_recycle(struct sk_buff *skb);
 void  __kfree_skb(struct sk_buff *skb);
 extern struct kmem_cache *skbuff_head_cache;
 
@@ -3057,6 +3058,7 @@ static inline void skb_free_datagram_locked(struct sock *sk,
 }
 int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags);
 int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len);
+void copy_skb_header(struct sk_buff *new, const struct sk_buff *old);
 int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len);
 __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to,
 			      int len, __wsum csum);
diff --git a/include/linux/sys_soc.h b/include/linux/sys_soc.h
index 2739ccb6..9f5eb06f 100644
--- a/include/linux/sys_soc.h
+++ b/include/linux/sys_soc.h
@@ -13,6 +13,7 @@ struct soc_device_attribute {
 	const char *family;
 	const char *revision;
 	const char *soc_id;
+	const void *data;
 };
 
 /**
@@ -34,4 +35,6 @@ void soc_device_unregister(struct soc_device *soc_dev);
  */
 struct device *soc_device_to_device(struct soc_device *soc);
 
+const struct soc_device_attribute *soc_device_match(
+	const struct soc_device_attribute *matches);
 #endif /* __SOC_BUS_H */
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 59557c07..876de4f9 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -261,8 +261,8 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
 int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict);
 int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu);
 
-struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev,
-						struct rtnl_link_stats64 *tot);
+void ip_tunnel_get_stats64(struct net_device *dev,
+			   struct rtnl_link_stats64 *tot);
 struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
 				   int link, __be16 flags,
 				   __be32 remote, __be32 local,
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index 51f38442..5c01afbf 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -35,6 +35,7 @@
 #define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
 #define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */
 #define ETH_FCS_LEN	4		/* Octets in the FCS		 */
+#define ETH_MIN_MTU	68		/* Min IPv4 MTU per RFC791      */
 
 /*
  *	These are the defined Ethernet Protocol ID's.
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index fbfacd51..ca3cf29b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -671,7 +671,8 @@ static int vlan_ethtool_get_ts_info(struct net_device *dev,
 	return 0;
 }
 
-static struct rtnl_link_stats64 *vlan_dev_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
+static void vlan_dev_get_stats64(struct net_device *dev,
+				 struct rtnl_link_stats64 *stats)
 {
 	struct vlan_pcpu_stats *p;
 	u32 rx_errors = 0, tx_dropped = 0;
@@ -702,8 +703,6 @@ static struct rtnl_link_stats64 *vlan_dev_get_stats64(struct net_device *dev, st
 	}
 	stats->rx_errors  = rx_errors;
 	stats->tx_dropped = tx_dropped;
-
-	return stats;
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 5f5e28f2..73d66ae3 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -156,8 +156,8 @@ static int br_dev_stop(struct net_device *dev)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *br_get_stats64(struct net_device *dev,
-						struct rtnl_link_stats64 *stats)
+static void br_get_stats64(struct net_device *dev,
+			   struct rtnl_link_stats64 *stats)
 {
 	struct net_bridge *br = netdev_priv(dev);
 	struct pcpu_sw_netstats tmp, sum = { 0 };
@@ -181,8 +181,6 @@ static struct rtnl_link_stats64 *br_get_stats64(struct net_device *dev,
 	stats->tx_packets = sum.tx_packets;
 	stats->rx_bytes   = sum.rx_bytes;
 	stats->rx_packets = sum.rx_packets;
-
-	return stats;
 }
 
 static int br_change_mtu(struct net_device *dev, int new_mtu)
diff --git a/net/core/dev.c b/net/core/dev.c
index 912f40ac..17e16cf7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6600,9 +6600,18 @@ int dev_set_mtu(struct net_device *dev, int new_mtu)
 	if (new_mtu == dev->mtu)
 		return 0;
 
-	/*	MTU must be positive.	 */
-	if (new_mtu < 0)
+	/* MTU must be positive, and in range */
+	if (new_mtu < 0 || new_mtu < dev->min_mtu) {
+		net_err_ratelimited("%s: Invalid MTU %d requested, hw min %d\n",
+				    dev->name, new_mtu, dev->min_mtu);
 		return -EINVAL;
+	}
+
+	if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) {
+		net_err_ratelimited("%s: Invalid MTU %d requested, hw max %d\n",
+				    dev->name, new_mtu, dev->min_mtu);
+		return -EINVAL;
+	}
 
 	if (!netif_device_present(dev))
 		return -ENODEV;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7e7b7ce0..0f9c014a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -842,6 +842,32 @@ void napi_consume_skb(struct sk_buff *skb, int budget)
 }
 EXPORT_SYMBOL(napi_consume_skb);
 
+/**
+ * 	skb_recycle - clean up an skb for reuse
+ * 	@skb: buffer
+ *
+ * 	Recycles the skb to be reused as a receive buffer. This
+ * 	function does any necessary reference count dropping, and
+ * 	cleans up the skbuff as if it just came from __alloc_skb().
+ */
+void skb_recycle(struct sk_buff *skb)
+{
+	struct skb_shared_info *shinfo;
+	u8 head_frag = skb->head_frag;
+
+	skb_release_head_state(skb);
+
+	shinfo = skb_shinfo(skb);
+	memset(shinfo, 0, offsetof(struct skb_shared_info, dataref));
+	atomic_set(&shinfo->dataref, 1);
+
+	memset(skb, 0, offsetof(struct sk_buff, tail));
+	skb->data = skb->head + NET_SKB_PAD;
+	skb->head_frag = head_frag;
+	skb_reset_tail_pointer(skb);
+}
+EXPORT_SYMBOL(skb_recycle);
+
 /* Make sure a field is enclosed inside headers_start/headers_end section */
 #define CHECK_SKB_FIELD(field) \
 	BUILD_BUG_ON(offsetof(struct sk_buff, field) <		\
@@ -1073,7 +1099,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off)
 	skb->inner_mac_header += off;
 }
 
-static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
+void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 {
 	__copy_skb_header(new, old);
 
@@ -1081,6 +1107,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 	skb_shinfo(new)->gso_segs = skb_shinfo(old)->gso_segs;
 	skb_shinfo(new)->gso_type = skb_shinfo(old)->gso_type;
 }
+EXPORT_SYMBOL(copy_skb_header);
 
 static inline int skb_alloc_rx_flag(const struct sk_buff *skb)
 {
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 0fd1976a..9d6c1009 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -188,8 +188,8 @@ int iptunnel_handle_offloads(struct sk_buff *skb,
 EXPORT_SYMBOL_GPL(iptunnel_handle_offloads);
 
 /* Often modified stats are per cpu, other are shared (netdev->stats) */
-struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev,
-						struct rtnl_link_stats64 *tot)
+void ip_tunnel_get_stats64(struct net_device *dev,
+			   struct rtnl_link_stats64 *tot)
 {
 	int i;
 
@@ -214,8 +214,6 @@ struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev,
 		tot->rx_bytes   += rx_bytes;
 		tot->tx_bytes   += tx_bytes;
 	}
-
-	return tot;
 }
 EXPORT_SYMBOL_GPL(ip_tunnel_get_stats64);
 
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index eecc64e1..ce73136a 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -106,8 +106,8 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
-static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev,
-						      struct rtnl_link_stats64 *stats)
+static void l2tp_eth_get_stats64(struct net_device *dev,
+				 struct rtnl_link_stats64 *stats)
 {
 	struct l2tp_eth *priv = netdev_priv(dev);
 
@@ -117,10 +117,8 @@ static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev,
 	stats->rx_bytes   = atomic_long_read(&priv->rx_bytes);
 	stats->rx_packets = atomic_long_read(&priv->rx_packets);
 	stats->rx_errors  = atomic_long_read(&priv->rx_errors);
-	return stats;
 }
 
-
 static const struct net_device_ops l2tp_eth_netdev_ops = {
 	.ndo_init		= l2tp_eth_dev_init,
 	.ndo_uninit		= l2tp_eth_dev_uninit,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 37bec0f8..aee93423 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1133,7 +1133,7 @@ static u16 ieee80211_netdev_select_queue(struct net_device *dev,
 	return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
 }
 
-static struct rtnl_link_stats64 *
+static void
 ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	int i;
@@ -1158,8 +1158,6 @@ ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->rx_bytes   += rx_bytes;
 		stats->tx_bytes   += tx_bytes;
 	}
-
-	return stats;
 }
 
 static const struct net_device_ops ieee80211_dataif_ops = {
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index e7da2902..95fd5744 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -106,7 +106,7 @@ static void internal_dev_destructor(struct net_device *dev)
 	free_netdev(dev);
 }
 
-static struct rtnl_link_stats64 *
+static void
 internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
 	int i;
@@ -134,8 +134,6 @@ internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->tx_bytes         += local_stats.tx_bytes;
 		stats->tx_packets       += local_stats.tx_packets;
 	}
-
-	return stats;
 }
 
 static void internal_set_rx_headroom(struct net_device *dev, int new_hr)
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index a62de9e4..5b287e1d 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -309,6 +309,13 @@ static void dev_watchdog(unsigned long arg)
 					txq->trans_timeout++;
 					break;
 				}
+
+				/* Devices with HW_ACCEL_MQ have multiple txqs
+				 * but update only the first one's transmission
+				 * timestamp so avoid checking the rest.
+				 */
+				if (dev->features & NETIF_F_HW_ACCEL_MQ)
+					break;
 			}
 
 			if (some_queue_timedout) {
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 2cd9b447..5e25213e 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -401,8 +401,8 @@ static int teql_master_close(struct net_device *dev)
 	return 0;
 }
 
-static struct rtnl_link_stats64 *teql_master_stats64(struct net_device *dev,
-						     struct rtnl_link_stats64 *stats)
+static void teql_master_stats64(struct net_device *dev,
+				struct rtnl_link_stats64 *stats)
 {
 	struct teql_master *m = netdev_priv(dev);
 
@@ -410,7 +410,6 @@ static struct rtnl_link_stats64 *teql_master_stats64(struct net_device *dev,
 	stats->tx_bytes		= m->tx_bytes;
 	stats->tx_errors	= m->tx_errors;
 	stats->tx_dropped	= m->tx_dropped;
-	return stats;
 }
 
 static int teql_master_mtu(struct net_device *dev, int new_mtu)
-- 
2.14.1